CN110303303B - Pallet type large load processing system - Google Patents

Abstract

The invention relates to a tray type heavy load processing method and a processing system, which comprises a prefabricated reinforced concrete supporting foundation (16) and a transverse process pit (17) which is transversely and/or longitudinally arranged in the supporting foundation (16); a supporting frame assembly (27) is arranged above the supporting foundation (16); a conveyor (18) is arranged above the transverse process pit (17) on the supporting foundation (16) and/or an upper machining centre is arranged on the supporting frame assembly (27). The invention has reasonable design, compact structure and convenient use.

Description

Pallet type large load processing system

technical field

The invention relates to a pallet-type large-load processing method and system, in particular to the processing of heavy-load chassis.

Background technique

With the rapid development of my country's economy, more and more oversized and overweight and huge equipment are being manufactured and discharged, such as some launch brackets, offshore operation platforms, large kilns, ships, etc., and their heavy loads are as high as 10-50 The ton weight varies. From the factory to the designated place, it is necessary to use extra-large transportation equipment, and as the basis for the load of the transportation equipment is the chassis. In order to ensure the rigidity and strength of the chassis, the overall structure is generally used as much as possible, rather than detachable. The existing processing method requires prefabrication of super-large and super-large workshops first, and customized equipment is used to meet the processing requirements. However, the output of these supports is low. When subsequent manufacturing is not required, the workshop and equipment will be idle, resulting in waste of resources and increased manufacturing. cost.

SUMMARY OF THE INVENTION

In general, the technical problem to be solved by the present invention is to provide a pallet-type large-load processing method and system; the technical problem solved in detail and the beneficial effects obtained are described in detail in the following content and in conjunction with the content in the specific embodiments.

In order to solve the above problems, the technical scheme adopted by the present invention is:

A pallet-type large-load processing system, comprising a prefabricated reinforced concrete support foundation, a horizontal craft pit opened in the support foundation laterally and/or longitudinally; a support frame assembly is arranged above the support foundation;

The supporting foundation is provided with a conveying device located above the horizontal process pit,

And/or an upper machining center is arranged on the support frame assembly.

As a further improvement of the above technical solution:

A horizontal pit processing device and a horizontal pit auxiliary device are arranged in parallel in the horizontal pit, one end of the horizontal pit processing device is provided with an auxiliary tool magazine replacement device, and one end of the horizontal pit auxiliary device is provided with an auxiliary part replacement device.

The transverse pit processing device includes a lower processing transverse guide rail arranged in the transverse process pit, a lower processing transverse tool set at one end of the lower processing transverse guide rail, a lower processing manipulator driven by a linear drive mechanism to reciprocate on the lower processing transverse guide rail, The clamping manipulator set on the base of the lower processing manipulator and used to hold the lower processing lateral guide rail, the lower lateral fixed-coordinate laser/grating set on one side of the lower processing lateral guide rail and used to define the longitudinal starting coordinates of the lower processing manipulator, set in the lower processing a lower auxiliary processing head on the manipulator and used for processing the lower surface of the chassis, a lower processing air nozzle set on the lower processing manipulator and used for blowing air to the processing position, and a lower processing entry and exit rotation center set at the other end of the lower processing transverse guide rail;

The lower processing in-and-out rotation center includes a lower processing rotary table, a lower processing connecting guide rail distributed on the lower processing rotating table and used for connecting the connecting station of the lower processing rotating table with the port of the lower processing transverse guide rail;

The lower processing rotary table is provided with a lower processing entry station for sending the downward processing connecting guide rail into the corresponding lower processing manipulator, and a lower processing exit station for sending the downward processing connecting guide rail and corresponding to the lower processing manipulator;

The lateral pit auxiliary device includes a lower auxiliary lateral rail arranged in parallel with the lower processing lateral guide rail, a lower auxiliary manipulator driven by a linear mechanism to reciprocate on the lower auxiliary lateral rail, and a lower auxiliary manipulator set on the lower auxiliary manipulator and used for clamping auxiliary parts. The lower auxiliary clamping claw/connecting horizontal hand and/or the lower auxiliary pressing claw arranged on the lower auxiliary manipulator and used for pressing the part to be processed;

One end of the lower auxiliary manipulator is provided with a lower auxiliary entry and exit rotation center for replacing the lower auxiliary manipulator;

The lower auxiliary entry and exit rotation center has the same structure as the lower processing entry and exit rotation center;

The auxiliary tool magazine replacement device has the same structure as the auxiliary parts replacement device;

The auxiliary tool magazine replacement device includes a replacement rotary table arranged on one side of the end of the lower processing transverse guide rail, a replacement feeding station, a replacement positioning station, a replacement disassembly station, and a replacement discharge station that are sequentially distributed on the replacement rotary table. , Replacement indexing tire tools arranged on each station of the replacement rotary table, replacement turntable process gaps arranged at each station and located below the replacement indexing tire tool, and replacement tire tool installation on the replacement indexing tire tool The groove, the replacement feeding conveyor belt arranged outside the replacement feeding station, the replacement feeding jig distributed on the replacement feeding conveyor belt, the replacement feeding bearing set on the side of the replacement feeding jig and corresponding to the replacement feeding station The pallet, the replacement feeding push manipulator arranged on the other side of the replacement loading fixture and used to push the tool to be replaced from the replacement loading fixture to the replacement loading carrier pallet, and the replacement loading pusher manipulator set at the output end of the replacement loading carrier pallet. Replacing the gap of the feeding process, a replacement feeding manipulator arranged between the replacement loading carrier plate and the replacement feeding station and used to clamp the tool to be replaced The replacement pressing manipulator that is positioned and press-fitted into the installation groove of the replacement tire tool, the replacement waiting conveyor belt arranged outside the replacement and disassembly station, distributed on the replacement waiting conveyor belt and used to carry the tool replacement waiting to locate the tire tool, setting Replace the top manipulator under the replacement turntable process gap at the replacement and disassembly station, fix the replacement center support shaft vertically arranged at the center of the replacement turntable, set on the replacement center support shaft and used to replace the replacement The tool at the position is pushed out to the replacement radial push cylinder on the replacement waiting tire, the replacement waiting discharge pallet is set on one side of the replacement waiting tire, and the tool is set on the other side of the replacement waiting tire. From the replacement waiting for positioning the tire tool to the replacement waiting for the discharge pallet, the replacement and waiting for the discharge push cylinder, which is arranged at the outlet of the replacement and waiting for the discharge pallet and is used to install the tool on the lower auxiliary processing head. The replacement and waiting installation The manipulator, the replacement waiting feed pallet set on the side of the corresponding replacement waiting positioning tire, and the replacement waiting feeding set at the inlet of the replacement waiting feed pallet and used to push the dismantling tool to the replacement indexing tire a manipulator, and a replacement waiting and dismantling manipulator disposed on the side of the replacement and waiting for the feeding pallet and used for removing the tool from the lower auxiliary processing head;

A top cylinder is arranged below the replacement and discharge station, and a replacement and discharge manipulator for taking out the dismantling tool is arranged outside the replacement and discharge station.

The conveying device includes a conveying longitudinal rail set on the supporting foundation, a conveying carriage running on the conveying longitudinal rail, a conveying lifting support distributed above the conveying carriage, and a conveying lifting support arranged above the conveying lift support and used for carrying the carrying chassis. Transfer carrier bracket, the transfer longitudinal fixed-coordinate laser/raster and the transfer transverse fixed-coordinate laser/raster, which are arranged on the upper surface of the transfer carrier bracket and used for sensing the position of the carrier chassis, are arranged on the side surface of the transfer carrier bracket and are used for positioning the transfer The conveying travel positioning sensor at the longitudinal starting point of the carrying bracket, the conveying longitudinal support beam arranged in parallel on the outside of the conveying longitudinal track, and the conveying processing positioning support installed on the conveying longitudinal support beam by bolts or jacking wires and used to lift the carrying chassis , a transmission travel coordinate laser/grating arranged on the conveying longitudinal support beam and corresponding to the conveying travel positioning sensor, a conveying span hydraulic telescopic bridge longitudinally spanning the horizontal process pit, and a conveying span hydraulic telescopic bridge arranged on the conveying span hydraulic telescopic bridge and A transfer positioning aid for lifting the carrier chassis.

The upper processing center includes a top processing device respectively arranged on the top of the support frame assembly and located above the upper surface of the chassis, an upper transverse processing device and an upper longitudinal processing device arranged on the corresponding side of the support frame assembly, and a top processing device for top processing A machining center changer at one end of the device, the upper transverse machining device and/or the upper longitudinal machining device.

The vertical and horizontal directions of the supporting frame assembly are transparent;

The top processing device includes a top transverse/longitudinal guide rail arranged on the top wall of the support frame assembly, a top travel seat driven by a linear mechanism to reciprocate, a top machine head provided at the lower end of the top travel seat, and one end of the top transverse/longitudinal guide rail. The knife setting block, and the top entry rotation center set at the other end of the top horizontal/longitudinal guide rail;

The upper transverse processing device has the same structure as the upper longitudinal processing device. The upper transverse processing device includes a lateral guide rail arranged on the side wall of the support frame assembly, a lateral tool setter arranged at one end of the lateral guide rail, and driven by a linear mechanism. A lateral walking seat for the reciprocating motion of the lateral guide rail, and a lateral manipulator processing head arranged on the lateral walking seat;

The replacement device of the machining center has the same structure as the replacement device of the auxiliary tool magazine, and includes a lateral in-and-out rotation center arranged at the other end of the lateral guide rail.

A top-suspended magnetic suction cup is suspended at the lower end of the top walking seat for adsorbing the hanging bearing chassis.

The upper transverse processing device also includes a lateral auxiliary guide rail arranged on the other symmetrical side wall of the support frame assembly, and a side auxiliary guide rail which is arranged on the lateral auxiliary guide rail and whose manipulator end is used for connecting with the lateral walking seat to form a gantry. Connect the manipulator to Assisted Walk.

A pallet type large load processing method, comprising the following steps;

Step 1: Load the material, and send the bearing chassis after natural aging to the processing workshop;

Step 2: First, pre-determine the coordinates; then, pre-align, level the upper surface of the carrying chassis, and find the design process requirements horizontally and vertically;

Step 3, first, orthopedic welding, welding process block; then, stress relief vibration aging treatment;

Step 4: First, carry out the secondary coordinate setting of the bearing chassis; then, secondary find the origin of the machining coordinates;

Step five, clean up;

Step 6, according to the design requirements, carry out the tool inspection on the processing surface and the process block, and cut the hole;

Step 7: Drill holes in the processing part according to the design requirements;

Step 8: Set the tool, align it, and mill the machined surface according to the design requirements;

Step 9: Tap the processing part according to the design requirements;

Step ten, according to the design requirements, finish the machined surface at the processing place, and expand the mounting hole;

Step 11, trim the wire hole at the processing place according to the design requirements;

Step 12, remove the craft block; trim the burr;

Step thirteen, detection;

Step fourteen, first, paint; then, air dry; finally, discharge.

As a further improvement of the above technical solution:

With the help of pallet type large load processing system;

In step 1, first, the conveying vehicle transports the carrying chassis to the processing station along the conveying longitudinal track;

In step 2, firstly, the coordinate position of the carrying chassis on the conveying carrier is determined by transmitting the longitudinal fixed-coordinate laser/grating and the transverse fixed-coordinate laser/grating; then, by transmitting the traveling positioning sensor and the traveling coordinate laser/grating Determine the coordinate position of the conveying carrier bracket in the pallet-type large-load processing system, so as to determine the coordinate position of the carrying chassis in the pallet-type large-load processing system; secondly, the conveying lifting support is retracted, and the carrying chassis is lowered to the conveying processing positioning support. On the seat; thirdly, by installing the magnetic base on the upper transverse processing device, the upper longitudinal processing device and the top processing device, the end face runout of the upper surface of the chassis is detected, and the length of the processing positioning support and the transmission positioning auxiliary support are leveled by adjusting the length;

In step 3, firstly, the top travel seat on which the magnetic base is installed enters the rotation center through the top and leaves the top lateral/longitudinal guide rail; then, the top travel seat carrying the top suspension magnetic chuck is installed on the top lateral/longitudinal guide rail through the top entrance into the rotation center , and is driven by a linear mechanism to the design center of gravity; secondly, the top-suspended magnetic suction cup lifts the carrying chassis upward, and uses gravity to make the carrying chassis arch upward and deformed; thirdly, the lower processing manipulator with the welding torch is installed below the welding position, and at the same time, The upper horizontal processing device and the upper vertical processing device respectively bring the welding torch to the top of the welding position; then, carry the corresponding rib plate, the chassis horizontal process block, the chassis vertical process block, the chassis vertical alignment process block, and the chassis horizontal alignment process block. The lower auxiliary clamping claw/connecting horizontal hand comes to the corresponding welding position and aligns; and later, the tool head and side tool setter are set horizontally through the lower processing, and the corresponding lower horizontal fixed-coordinate laser/grating is used to set the tool. Carry out the walking coordinates; in the next step, the welding torch is welded, and after welding, the blowing nozzle is processed for cooling; after that, the top suspension magnetic suction cup is placed on the bearing chassis; finally, a vibrator is installed on the bearing chassis for stress relief and vibration aging treatment;

In step 4, repeat the alignment process of step 2, and determine the origin of machining coordinates of each surface of the carrier chassis;

In step 5, replace the fan for blowing cleaning;

In step 6, replace the end mill. First, perform tool inspection and leveling on the chassis transverse process block, chassis longitudinal process block, chassis longitudinal alignment process block, and chassis transverse alignment process block, and find the plane shape and position tolerance and roughness control. Within 1/2 of the design requirements; then, the surface to be drilled is flattened or drilled;

In step 7, replace the twist drill, and drill the processing part according to the design requirements;

In step 8, replace the end milling cutter, and mill the machined surface according to the design requirements;

In step 9, the horizontal pit processing device, the upper horizontal processing device, the upper longitudinal processing device, and the top processing device replace the tapping machine through the corresponding rotary table to perform tapping;

In step 10, the horizontal pit processing device, the upper horizontal processing device, the upper longitudinal processing device, and the top processing device are replaced with boring tools or milling tools, and the machined surface is finished according to the design requirements, and the mounting holes are expanded;

In step 11, repeat step 9 to trim the wire hole at the processing place;

In step 12, first, the process block is milled; secondly, the horizontal pit processing device, the upper horizontal processing device, the upper longitudinal processing device, and the top processing device are replaced with the deburring machine, and the burrs are trimmed;

In step thirteen, the horizontal pit processing device, the upper horizontal processing device, the upper vertical processing device, and the top processing device are replaced by laser detectors for detection;

In step fourteen, first, the horizontal pit processing device, the upper horizontal processing device, the upper longitudinal processing device, and the top processing device are replaced with paint brushes for painting; then, air-drying by a hot air blower; Carrying chassis discharge. The beneficial effects of the present invention are not limited to this description, and for better understanding, a more detailed description is given in the detailed description section.

Description of drawings

FIG. 1 is a schematic structural diagram of the chassis of the present invention.

FIG. 2 is a schematic structural diagram of the bottom of the chassis of the present invention.

FIG. 3 is a schematic structural diagram of the processing system of the present invention.

FIG. 4 is a schematic diagram of the overall structure of the machining center of the present invention.

FIG. 5 is a partial structural schematic diagram 1 of the present invention.

FIG. 6 is a second partial structural schematic diagram of the present invention.

FIG. 7 is a partial structural schematic diagram 3 of the present invention.

FIG. 8 is a schematic diagram 4 of a part of the structure of the present invention.

FIG. 9 is a partial structural schematic diagram 5 of the present invention.

FIG. 10 is a partial structural schematic diagram 6 of the present invention.

Figure 11 is a schematic structural diagram of the process of the present invention.

Among them: 1. The bearing chassis; 2. The upper surface of the chassis; 3. The longitudinal side surface of the chassis; 4. The lateral side surface of the chassis; 5. The lower surface of the chassis; 6. The lateral bearing seat of the chassis; 7. The longitudinal bearing seat of the chassis; 8. The chassis Mounting flange; 9. Chassis mounting center hole; 10. Chassis mounting screw hole; 11. Chassis horizontal process block; 12. Chassis longitudinal process block; 13. Chassis vertical alignment process block; 14. Chassis horizontal alignment process block; 15. Chassis welding support; 16. Support foundation; 17. Horizontal process pit; 18. Transfer device; 19. Horizontal pit processing device; 20. Auxiliary tool magazine replacement device; 21. Horizontal pit auxiliary device; 22. Auxiliary 23. Upper horizontal processing device; 24. Upper longitudinal processing device; 25. Machining center replacement device; 26. Top processing device; 27. Support frame assembly; 28. Transmission longitudinal rail; 29. Transmission vehicle 30. Transmission lifting support; 31. Transmission bearing bracket; 32. Transmission of longitudinal fixed-coordinate laser/grating; 33. Transmission of transverse fixed-coordinate laser/grating; 34. Transmission of walking positioning sensor; 35. Transmission of longitudinal support beam; 36 3. Transmission and processing positioning support; 37. Transmission of traveling coordinate laser/grating; 38. Transmission across hydraulic telescopic bridge; 39. Transmission of positioning auxiliary support; 40. Replacement of rotary table; 41. Replacement of feeding conveyor belt; Feeding fixture; 43. Replace the feeding advancing manipulator; 44. Replace the feeding bearing pallet; 45. Replace the feeding process gap; 46. Replace the feeding manipulator; 47. 49. Replace the tire tool installation groove; 50. Replace the pressing manipulator; 51. Replace the waiting conveyor belt; 52. Replace the waiting tire tool; 53. Replace the top manipulator; 54. Replace the central support shaft; 55. Replace the radial push cylinder ; 56. Replace the waiting for discharging pallet; 57. Replace the waiting for discharging pushing cylinder; 58. Replace the waiting for installing manipulator; 59. Replace the waiting for feeding pallet; 60. Replace the waiting for dismantling manipulator; 61. 62. Lower processing horizontal guide rail; 63. Lower processing horizontal tool head; 64. Lower horizontal fixed-coordinate laser/grating; 65. Lower processing manipulator; 66. Lower processing air nozzle; 67. Lower processing rotary table; 68. Lower processing Entering station; 69, lower processing and leaving station; 70, lower auxiliary transverse rail; 71, lower auxiliary manipulator; 72, lower auxiliary clamping claw/connecting horizontal hand; 73, lower auxiliary pressing claw; 74, lower auxiliary processing machine head; 75, the lower auxiliary entry and exit rotation center; 76, the top horizontal/longitudinal guide rail; 77, the top travel seat; 78, the top mechanical head; 79, the top suspension magnetic suction cup; 80, the top entry rotation center; 81, the lateral guide rail; 82. Lateral tool setter; 83. Lateral walking seat; 84. Lateral manipulator processing head; 85. Lateral entry and exit rotation center; 86. Lateral auxiliary guide rail; 87. Lateral auxiliary walking connection manipulator.

Detailed ways

As shown in Figures 1-11, the carrying chassis 1 is a conventional integral welded structure, which includes an upper surface 2 of the chassis, a longitudinal side surface 3 of the chassis, a lateral side surface 4 of the chassis, and a lower surface 5 of the chassis; Bearing seat 6, chassis longitudinal bearing seat 7, chassis mounting flange 8, chassis mounting center hole 9; a chassis mounting screw hole 10 is provided on at least one surface, and a chassis welding support 15 is welded on at least the lower surface 5 of the chassis; During the process, corresponding chassis transverse process blocks 11 , chassis longitudinal process blocks 12 , chassis vertical alignment process blocks 13 , and chassis transverse alignment process blocks 14 are arranged on the corresponding surfaces thereof.

As shown in FIG. 1 , the pallet-type large-load processing system of the present embodiment includes a prefabricated reinforced concrete supporting foundation 16 , a lateral process pit 17 opened laterally and/or longitudinally in the supporting foundation 16 ; above the supporting foundation 16 A support frame assembly 27 is provided;

On the support foundation 16, a conveyor device 18, a conveyor device 18 located above the lateral process pit 17,

And/or an upper machining center is arranged on the support frame assembly 27 .

A lateral pit processing device 19 and a lateral pit auxiliary device 21 are arranged in parallel in the horizontal pit 17, an auxiliary tool magazine replacement device 20 is arranged at one end of the lateral pit processing device 19, and an auxiliary tool magazine 20 is arranged at one end of the lateral pit auxiliary device 21. There is an accessory replacement device 22 .

The lateral pit processing device 19 includes a lower processing lateral guide rail 62 arranged in the lateral process pit 17, a lower processing lateral tool setting head 63 set at one end of the lower processing lateral guide rail 62, and driven by a linear drive mechanism to go back and forth on the lower processing lateral guide rail 62 The moving lower processing manipulator 65 , the clamping manipulator disposed on the base of the lower processing manipulator 65 and used to hold the lower processing lateral guide rail 62 , and the gripping manipulator disposed on the side of the lower processing lateral guide rail 62 and used to define the longitudinal starting coordinates of the lower processing manipulator 65 . The lower lateral fixed-coordinate laser/raster 64, the lower auxiliary processing head 74 arranged on the lower processing robot 65 and used for processing the lower surface 5 of the chassis, the lower processing blowing nozzle 66 arranged on the lower processing robot 65 and used for blowing air to the processing position , and the lower processing in and out rotation center arranged at the other end of the lower processing transverse guide rail 62;

The lower processing in-and-out rotation center includes a lower processing rotary table 67, a lower processing connecting guide rail distributed on the lower processing rotating table 67 and used for docking the joint station of the lower processing rotating table 67 with the port of the lower processing transverse guide rail 62;

The lower processing rotary table 67 is provided with a lower processing entry station 68 for feeding the downward processing connecting guide rail into the corresponding lower processing robot 65 and a lower processing exit station 69 for sending the downward processing connecting guide rail and corresponding to the lower processing robot 65;

The lateral pit auxiliary device 21 includes a lower auxiliary lateral rail 70 arranged in parallel with the lower processing lateral guide rail 62, a lower auxiliary manipulator 71 driven by a linear mechanism to reciprocate on the lower auxiliary lateral rail 70, and a lower auxiliary manipulator 71. the lower auxiliary clamping claw/connecting cross-hand 72 of the clamping auxiliary and/or the lower auxiliary pressing claw 73 arranged in the lower auxiliary manipulator 71 and used for pressing the part to be processed;

One end of the lower auxiliary manipulator 71 is provided with a lower auxiliary entry and exit rotation center 75 for replacing the lower auxiliary manipulator 71;

The lower auxiliary entry and exit rotation center 75 has the same structure as the lower processing entry and exit rotation center;

The auxiliary tool magazine replacement device 20 has the same structure as the auxiliary parts replacement device 22;

The auxiliary tool magazine replacement device 20 includes a replacement rotary table 40 arranged on one side of the end of the lower processing transverse guide 62, a replacement feeding station, a replacement positioning station, a replacement disassembly station, and a replacement that are sequentially distributed on the replacement rotary table 40. The discharge station, the replacement indexing tool 47 arranged on each station of the replacement rotary table 40, the replacement turntable process gap 48 arranged at each station and below the replacement indexing tool 47, and the replacement indexing tool 48 The replacement tire installation groove 49 on the tire tool 47, the replacement feeding conveyor belt 41 arranged outside the replacement feeding station, the replacement feeding jig 42 distributed on the replacement feeding conveyor belt 41, and the replacement feeding jig 42. The replacement loading support plate 44 corresponding to the replacement loading station is arranged on the other side of the replacement loading fixture 42 and used to push the tool to be replaced from the replacement loading fixture 42 to the replacement loading support plate 44 The replacement feeding propulsion manipulator 43 on the upper part, the replacement feeding process gap 45 arranged at the output end of the replacement feeding bearing pallet 44, and the replacement loading bearing pallet 44 and the replacement loading station are arranged between the replacement The replacement feeding manipulator 46 for replacing the tool, the replacement pressing manipulator 50 arranged on the side of the replacement positioning station and used for positioning and press-fitting the tool to be replaced into the replacement tire installation groove 49, is arranged at the replacement and disassembly station. The outer replacement waiting conveyor belt 51, the replacement waiting conveyor belt 51 distributed on the replacement waiting conveyor belt 51 and used to carry the tool replacement waiting positioning mold 52, the replacement top manipulator 53 under the replacement turntable process gap 48 set at the replacement and disassembly station, fixed The replacement center support shaft 54 vertically arranged at the center of the replacement rotary table 40, and the replacement diameter provided on the replacement center support shaft 54 and used to push the tool at the replacement and disassembly station to the replacement waiting-positioning tire tool 52. To push the cylinder 55, the replacement waiting discharge pallet 56 arranged on one side of the replacement waiting positioning tire 52, arranged on the other side of the replacement waiting positioning tire 52, and pushes the tool from the replacement waiting positioning tire 52 to the replacement waiting outlet. The replacement waiting for discharging on the material pallet 56 pushes the cylinder 57, which is arranged at the outlet of the replacement and waiting for discharging pallet 56 and is used to install the tool on the lower auxiliary processing head 74. The replacement waiting installation manipulator 58 is arranged on the corresponding The replacement waiting feeding pallet 59 on the side of the replacement waiting for positioning tire tool 52 , the replacement waiting feeding manipulator 61 arranged at the entrance of the replacement waiting feeding pallet 59 and used to push the dismantling tool to the replacement and indexing tire tool 47 , and a replacement waiting and disassembling manipulator 60 arranged on the side of the replacement waiting feed pallet 59 and used to remove the tool from the lower auxiliary processing head 74;

A top cylinder is arranged below the replacement and discharge station, and a replacement and discharge manipulator for taking out the dismantling tool is arranged outside the replacement and discharge station.

The conveying device 18 includes a conveying longitudinal rail 28 provided on the supporting foundation 16, a conveying carriage 29 running on the conveying longitudinal rail 28, a conveying lift support 30 distributed above the conveying cart 29, and a conveying lift support 30 arranged on the conveying lift support 30. The transport carrier bracket 31 above and used to carry the carrier chassis 1, the transport longitudinal fixed-coordinate laser/grating 32 and the transport transverse fixed-coordinate laser/grating 33 arranged on the upper surface of the transport carrier bracket 31 and used for sensing the position of the carrier chassis 1 , a conveying travel positioning sensor 34 arranged on the side surface of the conveying carrier 31 and used to locate the longitudinal starting position of the conveying carrier 31, a conveying longitudinal support beam 35 arranged parallel to the outside of the conveying longitudinal rail 28, installed by bolts or jacking wires The transfer processing positioning support 36 on the transfer longitudinal support beam 35 and used to lift the carrying chassis 1, the transfer travel coordinate laser/grating 37 provided on the transfer longitudinal support beam 35 and corresponding to the transfer travel positioning sensor 34, the longitudinal span The conveying span hydraulic telescopic bridge 38 on the transverse process pit 17 and the conveying positioning auxiliary support 39 provided on the conveying span hydraulic telescopic bridge 38 and used to lift the carrying chassis 1 .

The upper processing center includes a top processing device 26 respectively arranged on the top of the support frame assembly 27 and located above the upper surface 2 of the chassis, an upper transverse processing device 23 and an upper longitudinal processing device 24 arranged on the corresponding side of the support frame assembly 27 . , and a machining center replacement device 25 for one end of the top machining device 26 , the upper transverse machining device 23 and/or the upper longitudinal machining device 24 .

The supporting frame assembly 27 is transparent in both horizontal and vertical directions;

The top processing device 26 includes a top lateral/longitudinal guide rail 76 arranged on the top wall of the supporting frame assembly 27, a top travel seat 77 driven by a linear mechanism to reciprocate, and a top mechanical head 78 disposed at the lower end of the top travel seat 77. A knife setting block at one end of the top lateral/longitudinal guide rail 76, and a top entry rotation center 80 provided at the other end of the top lateral/longitudinal guide rail 76;

The upper transverse processing device 23 has the same structure as the upper longitudinal processing device 24. The upper transverse processing device 23 includes a lateral guide rail 81 arranged on the side wall of the support frame assembly 27, and a lateral tool setter arranged at one end of the lateral guide rail 81. 82. A lateral walking seat 83 driven by a linear mechanism to reciprocate on the lateral guide rail 81, and a lateral manipulator processing head 84 arranged on the lateral walking seat 83;

The machining center replacement device 25 has the same structure as the auxiliary tool magazine replacement device 20 , and includes a lateral entry and exit rotation center 85 disposed at the other end of the lateral guide rail 81 .

A top-suspended magnetic suction cup 79 for attracting and hanging the carrying chassis 1 is suspended at the lower end of the top running seat 77 .

The upper transverse processing device 23 also includes a lateral auxiliary guide rail 86 arranged on the other symmetrical side wall of the support frame assembly 27, and a lateral auxiliary guide rail 86 arranged on the lateral auxiliary guide rail 86 and whose manipulator end is used for connecting with the lateral walking seat 83 The lateral auxiliary walking connection manipulator 87 that forms the gantry.

The pallet-type large-load processing method of the present embodiment includes the following steps;

Step 1, feeding, and sending the bearing chassis 1 after natural aging to the processing workshop;

Step 2, first, predetermine the coordinates; then, pre-align, level the upper surface of the carrying chassis 1, and find the design process requirements horizontally and vertically;

Step 3, first, orthopedic welding, welding process block; then, stress relief vibration aging treatment;

Step 4: First, carry out the secondary coordinate setting of the carrying chassis 1; then, secondary find the origin of the processing coordinates;

Step five, clean up;

Step 6, according to the design requirements, carry out the tool inspection on the processing surface and the process block, and cut the hole;

Step 7: Drill holes in the processing part according to the design requirements;

Step 8: Set the tool, align it, and mill the machined surface according to the design requirements;

Step 9: Tap the processing part according to the design requirements;

Step ten, according to the design requirements, finish the machined surface at the processing place, and expand the mounting hole;

Step 11, trim the wire hole at the processing place according to the design requirements;

Step 12, remove the craft block; trim the burr;

Step thirteen, detection;

Step fourteen, first, paint; then, air dry; finally, discharge.

With the help of pallet type large load processing system;

In step 1, first, the conveying carriage 29 conveys the carrying chassis 1 to the processing station along the conveying longitudinal rail 28;

In step 2, firstly, the coordinate position of the carrying chassis 1 on the carrying bracket 31 is determined by transmitting the longitudinal fixed-coordinate laser/grating 32 and the horizontal fixed-coordinate laser/grating 33; The traveling coordinate laser/raster 37 determines the coordinate position of the conveying carrier 31 in the pallet-type large-load processing system, thereby determining the coordinate position of the carrier chassis 1 in the pallet-type large-load processing system; secondly, the conveying lifting support 30 retracts , the carrying chassis 1 is lowered onto the transfer processing positioning support 36; again, by installing magnetic bases on the upper transverse processing device 23, the upper longitudinal processing device 24, and the top processing device 26, the end face beating of the upper surface 2 of the chassis is detected and adjusted by adjusting The processing positioning support 36 and the transmission positioning auxiliary support 39 are leveled in length;

In step 3, first, the top travel seat 77 on which the magnetic base is installed enters the rotation center 80 and leaves the top lateral/longitudinal guide rail 76; Installed to the top horizontal/longitudinal guide rail 76, and driven by a linear mechanism to the design center of gravity; secondly, the top suspension magnetic suction cup 79 lifts the carrying chassis 1 upward, and uses gravity to make the carrying chassis 1 arch upward and deform; The lower processing manipulator 65 is placed below the welding position, and at the same time, the upper transverse processing device 23 and the upper longitudinal processing device 24 respectively bring the welding torch to the welding position; then, the corresponding ribs, the chassis transverse process block 11 and the chassis longitudinal process block are carried. 12. The chassis vertical alignment process block 13 and the chassis lateral alignment process block 14 lower auxiliary gripping claw/connecting horizontal hand 72 to the corresponding welding position and aligning; later, horizontally align the cutter heads 63, The lateral tool setter 82 performs tool setting, and the corresponding lower lateral fixed-coordinate laser/raster 64 is used to carry out the walking coordinates; the next step, the welding torch is welded, and after welding, the lower processing blowing nozzle 66 is cooled; after that, the top suspension magnetic chuck 79 Lower the bearing chassis 1; finally, install a vibrator on the bearing chassis 1 for stress relief vibration aging treatment;

In step 4, repeat the alignment process in step 2, and determine the origin of machining coordinates of each surface of the carrier chassis 1;

In step 5, replace the fan for blowing cleaning;

In step 6, replace the end mill. First, perform tool inspection and leveling on the chassis transverse process block 11, the chassis longitudinal process block 12, the chassis longitudinal alignment process block 13, and the chassis transverse alignment process block 14, and find the plane shape and position tolerance. And the roughness is controlled within 1/2 of the design requirements; then, the surface to be drilled is flattened or drilled;

In step 7, replace the twist drill, and drill the processing part according to the design requirements;

In step 8, replace the end milling cutter, and mill the machined surface according to the design requirements;

In step 9, the horizontal pit processing device 19, the upper horizontal processing device 23, the upper longitudinal processing device 24, and the top processing device 26 replace the tapping machine through the corresponding rotary table to perform tapping;

In step ten, the horizontal pit processing device 19, the upper horizontal processing device 23, the upper vertical processing device 24, and the top processing device 26 are replaced with boring tools or milling cutters, and the machined surface is polished according to the design requirements, and the mounting holes are expanded. ;

In step 11, repeat step 9 to trim the wire hole at the processing place;

In step 12, first, the process block is milled; secondly, the horizontal pit processing device 19, the upper horizontal processing device 23, the upper longitudinal processing device 24, and the top processing device 26 are replaced with the deburring machine, and the burrs are trimmed;

In step thirteen, the horizontal pit processing device 19, the upper horizontal processing device 23, the upper vertical processing device 24, and the top processing device 26 are replaced by laser detectors for detection;

In step fourteen, firstly, the horizontal pit processing device 19, the upper horizontal processing device 23, the upper longitudinal processing device 24, and the top processing device 26 are replaced with paint brushes for painting; then, air-drying by a hot air blower; finally, the transport vehicle is transported 29 carries the processed carrying chassis 1 for discharging.

When using the present invention, the processing of the upper surface 2 of the chassis, the longitudinal side surface 3 of the chassis, the lateral side surface 4 of the chassis, and the lower surface 5 of the chassis of the conventional carrying chassis 1 are realized, and the lateral bearing seat 6 of the chassis and the longitudinal bearing seat of the chassis are realized. 7. The processing of chassis mounting flange 8, chassis mounting center hole 9, chassis mounting screw hole 10, through chassis transverse process block 11, chassis longitudinal process block 12, chassis vertical alignment process block 13, chassis horizontal alignment process block 14 It realizes alignment during processing and realizes switching between directions. For example, by milling the horizontal process surface and then aligning longitudinally, the direction switching is realized, and the chassis welding support 15 improves the strength. The prefabricated support foundation 16 is poured with concrete, which is strong and firm. The horizontal process pit 17 avoids the suspension of the chassis, reduces the requirements for cranes or cranes, and reduces the height of the workshop. The processing device 19 is convenient for bottom surface processing. When a processing equipment or a processing robot is used, the tool changer 20 can be used to replace the tool, for example, the replacement of the drill bit and the end mill. The lateral pit auxiliary device 21 can realize cooling and auxiliary fixing. , the auxiliary device replacement device 22 realizes the replacement of the auxiliary device. The present invention is only an example. The auxiliary device can be increased or decreased according to the situation on the side and the top to help the processing head to complete the processing. The present invention does not show the driving device on the guide rail. Moving linear mechanisms, such as screw nuts or air cylinders or hydraulic cylinders, upper transverse processing device 23, upper longitudinal processing device 24, top processing device 26, the principle is similar to the bottom, and the machining center replacement device 25 is also similar, so the use of omission Views and brief descriptions, one of the creativity of the present invention is to change the traditional processing technology, use movable machine tools or manipulators to replace the movement of the processing chassis, so as to save the process and equipment of flipping the chassis, and use the world coordinate system to facilitate positioning and alignment , When there is no need to process the base plate, its equipment can also process other tools, which can be broken down into pieces, which improves the versatility of the equipment. The support frame assembly 27 is the support, and the transmission lifting support 30 prevents the car from lifting the workpiece for a long time. When the time is stable, the conveying carrier 31 realizes auxiliary support. By conveying the longitudinal fixed-coordinate laser/grating 32, the lateral fixed-coordinate laser/grating 33, the traveling positioning sensor 34, the longitudinal support beam 35, and the processing positioning support 36, Transmission of traveling coordinates laser/grating 37 or the principle of infrared linear propagation to achieve alignment and positioning, or manual adjustment of the workpiece through jacks, transmission of positioning auxiliary support 39, transmission across the hydraulic telescopic bridge 38 to avoid the workpiece center sinking and deformation due to gravity, The rotary table 40 is replaced to realize process connection. When the processing equipment is replaced, the tools or auxiliary tools corresponding to the equipment are uploaded to the replacement loading fixture 42 by replacing the feeding conveyor belt 41, and the replacement feeding push manipulator 43 pushes it to the upper Replacing the loading support plate 44, using the gap 45 for the replacement of the loading process, it is convenient to replace the loading manipulator 46 to load the material on the replacement indexing mold 47, and to replace the turntable process gap 48 to facilitate the tool or auxiliary tool. In the same way, it is convenient to replace the tire tool installation groove 49 for positioning, and replace the pressing manipulator 50 to locate it. Generally, when disassembling and assembling, it is convenient to find the starting position of the action path, replace the waiting conveyor belt 51, and realize by replacing the waiting positioning tire tool 52. Replace up and down, replace the top manipulator 53 to make the tool leave the tire, replace the radial push cylinder 55 to output the workpiece on the top manipulator 53, replace the waiting plate 56, and realize the tool by replacing the waiting cylinder 57. Or auxiliary output, the replacement of the waiting-to-install manipulator 58 is multi-free control, and electromagnetic or hydraulic manipulators can be used to replace the waiting-to-feed pallet 5 9. Replace and wait for dismantling manipulator 60, and replace and wait for feeding manipulator 61 to realize loading and unloading. The lower processing transverse guide 62 facilitates walking, the lower processing transverse tool head 63 corrects the tool wear during processing, the lower transverse fixed-coordinate laser/grating 64 realizes coordinate positioning, the lower processing manipulator 65 facilitates clamping the corresponding processing tool, and the lower processing The processing blowing nozzle 66 realizes cooling and cleaning, and drying after painting, the lower processing rotary table 67 realizes the replacement of processing equipment or manipulators, the lower processing enters the station 68, and the lower processing leaves the station 69 one in and one out, with high efficiency. The replacement part is designed with rounded corners, thereby reducing the width of the gap. Similarly, the lower auxiliary transverse rail 70, the lower auxiliary manipulator 71, the lower auxiliary clamping claw/connecting transverse hand 72, the lower auxiliary pressing claw 73, and the lower auxiliary processing head 74 are realized. Welding auxiliary clamping, or adsorption by magnetic base to reduce vibration during processing, preferably two layers of top horizontal/longitudinal guide rails 76 are laid horizontally and vertically or other paths, so as to facilitate the processing of the corresponding chassis, the top suspension magnetic suction cup 79 sucks the chassis upwards, Welding is carried out in an arched state, so as to avoid the center sinking when the chassis is placed with a weight of tens of tons or even hundreds of tons, and it maintains a certain rigidity in the arched mechanical state.

The invention has the advantages of reasonable design, low cost, strong durability, safety and reliability, simple operation, saving time and labor, saving money, compact structure and convenient use.

Claims (1)

1. A pallet heavy load system of processing which characterized in that: the processing method is used for processing the chassis; the device comprises a prefabricated reinforced concrete supporting foundation (16) and a transverse process pit (17) transversely arranged in the supporting foundation (16); a supporting frame assembly (27) is arranged above the supporting foundation (16);

a conveying device (18) positioned above the transverse process pit (17) is arranged on the supporting foundation (16), and an upper machining center is arranged on the supporting rack assembly (27);

a transverse pit processing device (19) and a transverse pit auxiliary device (21) are arranged in parallel in the transverse process pit (17), an auxiliary tool magazine replacing device (20) is arranged at one end of the transverse pit processing device (19), and an auxiliary part replacing device (22) is arranged at one end of the transverse pit auxiliary device (21);

the transverse pit processing device (19) comprises a lower processing transverse guide rail (62) arranged in a transverse process pit (17), a lower processing transverse counter tool bit (63) arranged at one end of the lower processing transverse guide rail (62), a lower processing mechanical hand (65) driven by a linear driving mechanism to reciprocate on the lower processing transverse guide rail (62), a clamping mechanical hand arranged on a base of the lower processing mechanical hand (65) and used for tightly holding the lower processing transverse guide rail (62), a lower transverse fixed coordinate laser/grating (64) arranged at one side of the lower processing transverse guide rail (62) and used for defining a longitudinal initial coordinate of the lower processing mechanical hand (65), a lower auxiliary processing machine head (74) arranged on the lower processing mechanical hand (65) and used for processing the lower surface (5) of the chassis, and a lower processing air blowing nozzle (66) arranged on the lower processing mechanical hand (65) and used for blowing air to a processing position, And a lower machining in-out rotation center provided at the other end of the lower machining transverse guide rail (62);

the lower machining in-out rotating center comprises a lower machining rotating table (67) and a lower machining joining guide rail which is distributed on the lower machining rotating table (67) and used for butt joint between a joining station of the lower machining rotating table (67) and a port of the lower machining transverse guide rail (62);

a lower processing entering station (68) for sending the downward processing joining guide rail into the corresponding lower processing mechanical hand (65) and a lower processing leaving station (69) for sending the downward processing joining guide rail out of the corresponding lower processing mechanical hand (65) are arranged on the lower processing rotating table (67);

the transverse pit auxiliary device (21) comprises a lower auxiliary transverse rail (70) arranged in parallel with the lower processing transverse guide rail (62), a lower auxiliary mechanical hand (71) driven by a linear mechanism to reciprocate on the lower auxiliary transverse rail (70), and a lower auxiliary clamping claw/connecting transverse hand (72) arranged on the lower auxiliary mechanical hand (71) and used for clamping an auxiliary part and/or a lower auxiliary pressing claw (73) arranged on the lower auxiliary mechanical hand (71) and used for pressing a part to be processed;

one end of the lower auxiliary manipulator (71) is provided with a lower auxiliary in-out rotation center (75) for replacing the lower auxiliary manipulator (71);

the lower auxiliary in-out rotation center (75) has the same structure as the lower machining in-out rotation center;

the auxiliary tool magazine replacing device (20) and the auxiliary part replacing device (22) have the same structure;

the auxiliary tool magazine replacing device (20) comprises a replacing rotary table (40) arranged on one side of the end part of a lower processing transverse guide rail (62), a replacing feeding station, a replacing positioning station, a replacing dismounting station and a replacing discharging station which are sequentially distributed on the replacing rotary table (40), a replacing transposition clamping fixture (47) arranged on each station of the replacing rotary table (40), a replacing rotary table process notch (48) arranged at each station and positioned below the replacing transposition clamping fixture (47), a replacing clamping fixture mounting groove (49) arranged on the replacing transposition clamping fixture (47), a replacing feeding conveyor belt (41) arranged on the outer side of the replacing feeding station, a replacing feeding clamp (42) distributed on the replacing feeding conveyor belt (41), a replacing feeding bearing supporting plate (44) arranged on one side of the replacing feeding clamp (42) and corresponding to the replacing feeding station, a replacing feeding bearing plate (44) arranged on the other side of the replacing feeding clamp (42) and used for replacing the tool from the replacing feeding clamp (42) A replacement feeding propelling mechanical arm (43) pushed to a replacement feeding bearing plate (44), a replacement feeding process notch (45) arranged at the output end of the replacement feeding bearing plate (44), a replacement feeding mechanical arm (46) arranged between the replacement feeding bearing plate (44) and a replacement feeding station and used for clamping a tool to be replaced, a replacement pushing mechanical arm (50) arranged on one side of the replacement positioning station and used for positioning and pressing the tool to be replaced into a replacement clamping fixture mounting groove (49), a replacement waiting conveying belt (51) arranged on the outer side of the replacement dismounting station, a replacement waiting positioning clamping fixture (52) distributed on the replacement waiting conveying belt (51) and used for bearing the tool, a replacement pushing mechanical arm (53) arranged below the replacement turntable process notch (48) at the replacement dismounting station, a replacement central fulcrum shaft (54) vertically arranged at the center of the replacement rotating table (40) and a replacement center shaft (54) fixed, A replacement radial pushing cylinder (55) which is arranged on a replacement central fulcrum shaft (54) and used for pushing a cutter at a replacement disassembly and assembly station to a replacement waiting positioning mould (52), a replacement waiting discharging supporting plate (56) which is arranged at one side of the replacement waiting positioning mould (52), a replacement waiting discharging pushing cylinder (57) which is arranged at the other side of the replacement waiting positioning mould (52) and used for pushing the cutter from the replacement waiting positioning mould (52) to the replacement waiting discharging supporting plate (56), a replacement waiting installing manipulator (58) which is arranged at the outlet of the replacement waiting discharging supporting plate (56) and used for installing the cutter on a lower auxiliary machining machine head (74), a replacement waiting feeding supporting plate (59) which is arranged at one side of the corresponding replacement waiting positioning mould (52), a replacement waiting feeding manipulator (61) which is arranged at the inlet of the replacement waiting feeding supporting plate (59) and used for pushing the disassembly cutter to a replacement indexing mould (47), And a replacement wait-for-removal robot (60) provided on one side of the replacement wait feed pallet (59) and used for removing the tool from the lower auxiliary processing head (74);

an upper ejection cylinder is arranged below the discharging station, and a discharging manipulator for replacing the dismounting tool is arranged outside the discharging station.

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