CN111805146A - Positioning and locking mechanism for machining of rear door of vehicle trailer and using method of positioning and locking mechanism - Google Patents
Positioning and locking mechanism for machining of rear door of vehicle trailer and using method of positioning and locking mechanism Download PDFInfo
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- CN111805146A CN111805146A CN202010705035.0A CN202010705035A CN111805146A CN 111805146 A CN111805146 A CN 111805146A CN 202010705035 A CN202010705035 A CN 202010705035A CN 111805146 A CN111805146 A CN 111805146A
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- 238000003754 machining Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000003466 welding Methods 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
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- 238000009434 installation Methods 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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Abstract
The invention discloses a positioning and locking mechanism for machining a rear door of a vehicle trailer and a using method thereof, and the positioning and locking mechanism comprises a fixed table with an automatic welding structure arranged on the side surface, wherein a movable table is arranged on the top surface of the fixed table, a movable cylinder is arranged at the center of the bottom side of the movable table, a fixed rod is arranged on the inner wall of the movable cylinder along the radial direction of the movable cylinder, two meshed gears are arranged on the top side of the fixed rod, a deflection motor is fixed on the inner wall of the top side of the movable cylinder, a driving wheel is arranged inside an installation frame, the power motor and the deflection motor are connected with the same logic controller through a lead, a pressure sensor is arranged on the top surface of the movable table, a telescopic cylinder is arranged on the top surface. Through the cooperation of above each device use, can realize dragging the back door to the car and carry out automatic locking, reduce labour cost, realize automaticly to can provide the location to automatic weld supplementary, reduce automatic weld's cost.
Description
Technical Field
The invention relates to the technical field of automobile production, processing, positioning and locking equipment, in particular to a mechanism for processing, positioning and locking a rear door of a car trailer and a using method thereof.
Background
In the automobile production, the car drags the back door and need carry out the cutting and the welding of fixed point when adding man-hour, the fixed mode that still adopts the manual work to bind of back door, complete automation has not been realized yet, and current welding robot need regard as two-dimensional coordinate with work platform when carrying out welding operation, through the corresponding replacement between coordinate point and welding point, can carry out accurate positioning to the welding target, but welding robot needs a plurality of arms of force can only realize the removal to the coordinate point, cause automatic weld's cost high relatively, can't carry out a large amount of applications.
Disclosure of Invention
The invention aims to provide a positioning and locking mechanism for machining a car trailer rear door and a using method thereof, and aims to solve the problems that the labor cost for fixing the car trailer rear door during the automobile machining is high, the automation cannot be realized, the function of a fixing platform is single, the effective positioning cannot be provided for automatic welding, and the automatic welding cost is high in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a car pulls back door processing location locking mechanism and application method thereof, includes and is provided with automatic weld structure's fixed station in the side, the top surface of fixed station is provided with the mobile station, the center department of mobile station bottom side has seted up a movable section of thick bamboo, the inner wall of a movable section of thick bamboo prolongs its radial dead lever that is provided with, two meshed gears are installed to the top side of dead lever, the inner wall on movable section of thick bamboo top side is fixed with the deflection motor, and the center department of one of them gear top surface is fixed with the power take off shaft of deflection motor, and the center department of another gear bottom surface is fixed with the mounting bracket of U type structure, the internally mounted of mounting bracket has the driving wheel with the laminating of fixed station top surface, the side of mounting bracket bottom is fixed with the driving motor that provides power for the driving wheel, driving motor and deflection motor are connected with same logic controller through the wire, logic controller's output links to each Connecting; the center department of mobile station top surface installs pressure sensor, four telescopic cylinder have been seted up about the central symmetry of mobile station to the top surface of mobile station, telescopic cylinder's internally mounted has the electro-magnet, pressure sensor's output is connected with logic controller, logic controller's output is connected with the input of electro-magnet.
In a further embodiment, a movable hole is formed in the bottom surface of the mobile station close to the corner, a ball is mounted inside the movable hole, and the ball extends out of the outer wall of the movable hole to be attached to the top surface of the fixed station.
In a further embodiment, a plurality of telescopic holes are formed in the position, close to the side wall, of the top surface of the mobile station and are arranged in an array mode, movable rods are arranged inside the telescopic holes, and compression springs are arranged between the inner wall, far away from the opening end, of the telescopic holes and the movable rods.
In a further embodiment, a telescopic rod is installed inside the telescopic cylinder, the top end of the telescopic rod is fixed with the bottom surface of the electromagnet, and the top end of the electromagnet extends out of the telescopic hole by 1-2 cm.
In a further embodiment, the bottom end of the telescopic rod is of a T-shaped structure, a limiting ring is integrally arranged on the inner wall, close to the opening end, of the telescopic cylinder, a return spring is sleeved on the outer wall of the telescopic rod, and two ends of the return spring are respectively attached to the outer wall of one end of the T-shaped structure of the telescopic rod and the bottom side of the limiting ring.
In a further embodiment, the movable cylinder is of an L-shaped structure, one end, extending into the movable cylinder, of the mounting frame is of a cylindrical structure, one end, extending out of the movable cylinder, of the mounting frame is of a U-shaped structure, a bearing is fixed on the inner wall, far away from the L-shaped end, of the movable cylinder, and the inner wall of the bearing is fixed with the outer wall of the mounting frame.
In a further embodiment, the top surface of the side wall of the fixed station is connected with the side wall of the mobile station through a dust cover, and the center of the side surface of the driving wheel is fixed with a power output shaft of the power motor.
In a further embodiment, the top views of the fixed and mobile stations are both regular quadrangles, and the fixed station has twice the side length as the mobile station.
In a further embodiment, a machining, positioning and locking mechanism for a rear door of a vehicle trailer and a using method thereof comprise the following specific using steps:
t1, converting the plane of the fixed platform into coordinates, taking the center of the fixed platform as a (0, 0) point of a two-dimensional coordinate, horizontally placing the car trailing door to be processed on the top surface of the mobile platform, closing the power supply of the electromagnet by the pressure sensor through the logic controller, fixing the car trailing door by the mobile platform through the electromagnet, and limiting and fixing the edge of the car trailing door through a movable rod which is not in contact with the bottom surface of the car trailing door;
t2, initially, the contact point of the moving wheel and the fixed station is the origin of coordinates, when the welding operation is needed, the logic controller shifts the coordinates to be processed about the symmetric coordinates of the origin of coordinates, the moving station firstly carries out the displacement in the X-axis direction, at this time, the logic controller controls the deflection motor to rotate 90 degrees anticlockwise or along the pointer, the diameter of the moving wheel along the horizontal direction is parallel to the X-axis, and realizes the control of the moving wheel to drive the moving platform to move forward by adjusting the rotation angle of the power motor, after the driving wheel completes adjustment of the X-axis coordinate, the logic controller rotates the driving wheel counterclockwise or clockwise by 90 degrees again through the deflection motor, the diameter of the driving wheel in the horizontal direction is perpendicular to the X axis, then the driving wheel is located at a target coordinate point through control of the power motor, and a machining point of the rear door of the trailer is located at the origin of the coordinate, so that the rear door of the trailer can be machined more conveniently;
t3, after the first processing, if the other coordinate points are processed, the logic controller firstly judges whether the new coordinate and the first processing coordinate are in the same quadrant, if so, the logic controller takes the coordinate point where the movable wheel is located in the first processing as the coordinate origin, the corresponding first processing coordinate point of the rear door is also taken as the coordinate origin, then the logic controller converts the second processing coordinate, and repeats the first adjusting process by taking the new coordinate origin as the reference, finally, the second processing point of the rear door is moved to the center of the fixed table, if the coordinates of the first processing point and the second processing point are not in the same coordinate quadrant, the logic controller controls the deflection motor and the power motor to enable the movable wheel to be located at the center of the top surface of the fixed table, then, the center of the fixed table is taken as the coordinate origin again to adjust the movable wheel, until the driving wheel is positioned at the target coordinate point;
t4, through the cooperation use of above each device, can realize dragging the back door to the car and carry out automatic locking, reduce labour cost, realize the automation to can provide the location supplementary to automatic weld, reduce automatic weld's cost.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, when the pressure sensor measures a numerical value, the power supply of the electromagnet is closed through the logic controller, the electromagnet generates attraction force on the car trailing door, the fixing of the rear car supporting door can be realized, manual participation is not needed in the fixing process, automation is realized, the labor force expenditure is reduced, the logic controller coordinates the fixed table, the substitute processing point of the car trailing door can be moved to the center of the fixed table, namely the position under the automatic welding tool through the control of the running states of the deflection motor and the power motor, and the equipment cost of positioning identification required by the automatic welding equipment can be reduced.
2. According to the invention, the plane formed by the top end of the movable rod can be deformed by extruding the movable rod by the vehicle-towing back door, so that the movable rod which does not slide towards the inside of the telescopic hole is used for limiting the vehicle-towing back door, and the vehicle-towing back door can be effectively prevented from being displaced in the welding process, thereby preventing the processing failure of the vehicle-towing back door.
3. According to the invention, the electromagnet can have a certain displacement space in the telescopic cylinder through the reset spring, so that buffering can be provided when the vehicle trailing door is in contact with the electromagnet, the vehicle trailing door can move on the mobile platform more smoothly, meanwhile, a certain displacement is generated through the electromagnet, the recess of the vehicle trailing door can be better contacted, and the magnetic force applied when the vehicle trailing door needs to be fixed is improved.
Drawings
FIG. 1 is a front cross-sectional view of a stationary platen according to an embodiment of the present invention;
FIG. 2 is a front view of a stationary platen according to an embodiment of the present invention;
FIG. 3 is an enlarged view of the structure of the embodiment A of the present invention;
FIG. 4 is an enlarged view of the structure of example B of the present invention;
FIG. 5 is an enlarged view of the structure of the embodiment C of the present invention;
FIG. 6 is a block diagram of a logic controller system according to an embodiment of the present invention.
In the figure: 1. a fixed table; 2. a mobile station; 21. a movable hole; 22. a ball bearing; 23. a telescopic hole; 24. a movable rod; 25. a compression spring; 3. a movable barrel; 31. a bearing; 4. fixing the rod; 5. a gear; 6. a deflection motor; 7. a mounting frame; 8. a driving wheel; 9. a power motor; 10. a logic controller; 11. a pressure sensor; 12. a telescopic cylinder; 121. a telescopic rod; 122. a limiting ring; 123. a return spring; 13. an electromagnet; 14. a dust cover.
Detailed Description
In order to realize automatic locking of the car trailer door, reduce labor cost, realize automation, provide positioning assistance for automatic welding and reduce the cost of automatic welding, the car trailer door processing positioning locking mechanism and the use method thereof are provided. The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-6, the present embodiment provides a positioning and locking mechanism for machining a car trailer door and a method for using the same, including a fixed table 1 with an automatic welding structure on a side surface, a mobile table 2 on a top surface of the fixed table 1, a movable cylinder 3 at a center of a bottom side of the mobile table 2, a fixed rod 4 radially disposed on an inner wall of the movable cylinder 3, two gears 5 engaged with each other on a top side of the fixed rod 4, a deflection motor 6 fixed on an inner wall of a top side of the movable cylinder 3, wherein a center of a top surface of one of the gears 5 is fixed to a power output shaft of the deflection motor 6, a mounting frame 7 with a U-shaped structure is fixed at a center of a bottom surface of the other gear 5, a driving wheel 8 attached to the top surface of the fixed table 1 is mounted inside the mounting frame 7, a power motor 9 for providing power to the driving wheel 8 is fixed on a side surface of a bottom end of, the output end of the logic controller 10 is connected with the information input end of the automatic welding structure on the side surface of the fixed station 1 through a lead;
the center of the top surface of the mobile station 2 is provided with a pressure sensor 11, the top surface of the mobile station 2 is symmetrically provided with four telescopic cylinders 12 relative to the center of the mobile station 2, electromagnets 13 are arranged inside the telescopic cylinders 12, the output end of the pressure sensor 11 is connected with a logic controller 10, and the output end of the logic controller 10 is connected with the input end of the electromagnets 13.
The bottom surface of the mobile station 2 is provided with a movable hole 21 near the corner, a ball 22 is arranged in the movable hole 21, and the outer wall of the ball 22 extending out of the movable hole 21 is attached to the top surface of the fixed station 1.
A plurality of telescopic holes 23 are formed in the position, close to the side wall, of the top face of the mobile platform 2, the telescopic holes 23 are arranged in an array mode, a movable rod 24 is arranged inside each telescopic hole 23, and a compression spring 25 is arranged between the inner wall, far away from the opening end, of each telescopic hole 23 and the movable rod 24.
The telescopic rod 121 is installed inside the telescopic cylinder 12, the top end of the telescopic rod 121 is fixed with the bottom surface of the electromagnet 13, and the top end of the electromagnet 13 extends out of the telescopic hole 231-2 cm.
The bottom of telescopic link 121 is T style of calligraphy structure, and telescopic 12 is close to the inner wall an organic whole of open end and is provided with spacing ring 122, and reset spring 123 has been cup jointed to the outer wall of telescopic link 121, and reset spring 123's both ends are laminated with the outer wall of telescopic link 121T type structure one end and the bottom side of spacing ring 122 respectively.
A movable cylinder 3 is of an L-shaped structure, one end, extending into the interior of the movable cylinder 3, of the mounting frame 7 is of a cylindrical structure, one end, extending out of the movable cylinder 3, of the movable cylinder is of a U-shaped structure, a bearing 31 is fixed to the inner wall, far away from the L-shaped end, of the movable cylinder 3, and the inner wall of the bearing 31 is fixed to the outer wall of the mounting frame 7.
The top surface of the side wall of the fixed station 1 is connected with the side wall of the mobile station 2 through a dust cover 14, and the center of the side surface of the driving wheel 8 is fixed with a power output shaft of the power motor 9.
The top views of the fixed station 1 and the mobile station 2 are both square, and the side length of the fixed station 1 is twice as long as that of the mobile station 2.
The plane where the fixed platform 1 is located is coordinated, the center of the fixed platform 1 is used as a (0, 0) point of a two-dimensional coordinate, a car trailer door to be processed is horizontally placed on the top surface of the mobile platform 2, the power supply of the electromagnet 13 is closed by the pressure sensor 11 through the logic controller 10, the car trailer door is fixed by the mobile platform 2 through the electromagnet 13, the electromagnet 13 is displaced in the telescopic cylinder 12 towards the direction close to the car trailer door, the compression upper force movable rod 24 between one end of the telescopic rod 121T-shaped structure and the limiting ring 122, which is subjected to the reset spring 123, is pressed when contacting with the bottom surface of the car trailer door and slides towards the inside of the telescopic hole 23, the upper force of the compression spring 25 is applied, and the edge of the car trailer door is limited and fixed through the movable rod 24 which is not contacted with the bottom surface of the car trailer door.
Initially, the point where the moving wheel 8 contacts the fixed table 1 is the origin of coordinates, when welding operation is required, the logic controller 10 displaces the coordinate symmetrical to the origin of coordinates of the coordinate to be processed, the moving table 2 first displaces in the X-axis direction, at this time, the logic controller 10 controls the deflection motor 6 to rotate 90 degrees counterclockwise or along a pointer, the diameter of the moving wheel 8 in the horizontal direction is parallel to the X-axis, and the control of the moving wheel 8 to drive the moving table 2 to advance and displace is realized by adjusting the rotation angle of the power motor 9, after the moving wheel 8 completes adjustment of the X-axis coordinate, the logic controller 10 rotates 90 degrees counterclockwise or clockwise again through the deflection motor 6, the diameter of the moving wheel 8 in the horizontal direction is perpendicular to the X-axis, then, the moving wheel 8 is at the target coordinate point by controlling the power motor 9, the door after the vehicle is dragged is located at the origin of coordinates, the rear door of the trailer can be processed more conveniently.
After the first machining, if the other coordinate points are machined, the logic controller 10 firstly judges whether the new coordinate is in the same quadrant with the first machining coordinate, if the new coordinate is in the same quadrant, the logic controller 10 takes the coordinate point where the movable wheel 8 is machined for the first time as the coordinate origin, and the first machining coordinate point of the corresponding rear door is also taken as the coordinate origin, then the logic controller 10 converts the second machining coordinate, repeats the first adjustment process with the new coordinate origin as the reference, finally moves the second machining point of the rear door to the center of the fixed table 1, if the coordinates of the first machining point and the second machining point are not in the same quadrant, the logic controller 10 controls the deflection motor 6 and the power motor 9 to enable the movable wheel 8 to be in the center of the top surface of the fixed table 1, and then adjusts the movable wheel 8 with the center of the fixed table 1 as the coordinate origin again, until the moving wheel 8 is at the target coordinate point.
After the rear car door is machined, the logic controller 10 does not have coordinate data corresponding to the machining point, the logic controller 10 disconnects the power supply of the electromagnet 13, the rear car door is separated from the mobile platform 2, the movable rod 24 resets inside the telescopic hole 23 under the action of the compression spring 25 and the reset spring 123, and the telescopic rod 121 resets inside the telescopic cylinder 12.
Wherein the preferred yaw motor 6 is of the type KABR42, the preferred motor power 9 is of the type 80AEA10025, the preferred logic controller 10 is of the type 20MR-430FX-A, the preferred pressure sensor 11 is of the type ZNHM-IIX, and the preferred electromagnet 13 is of the type ZYE 1-P65.
In this embodiment, through the cooperation of above each device use, can realize dragging the back door to the car and carry out automatic locking, reduce labour cost, realize the automation to can provide the location supplementary to automatic weld, reduce automatic weld's cost.
Example 2
Referring to fig. 2-4, a further improvement is made on the basis of embodiment 1: the top surface of mobile station 2 is close to its lateral wall department and has seted up a plurality of concertina holes 23, a plurality of concertina holes 23 are the array and arrange, the internally mounted of concertina hole 23 has movable rod 24, concertina hole 23 is kept away from and is installed compression spring 25 between inner wall and the movable rod 24 of open end, utilize the car to drag the extrusion of back door to movable rod 24, can make the plane that 24 tops of movable rod constitute take place deformation, and then utilize not to the gliding movable rod 24 of concertina hole 23 inside to drag the back door to the car and realize limiting displacement, can prevent effectively that the car from dragging the back door and taking place the displacement in welding process, lead to the car to drag the processing failure of back door.
The bottom of telescopic link 121 is T style of calligraphy structure, the inner wall an organic whole that telescopic cylinder 12 is close to the open end is provided with spacing collar 122, reset spring 123 has been cup jointed to the outer wall of telescopic link 121, reset spring 123's both ends respectively with the outer wall of telescopic link 121T type structure one end and the laminating of the bottom side of spacing collar 122, can make electro-magnet 13 have certain displacement space in telescopic cylinder 12's inside through reset spring 123, can enough provide the buffering when the car drags back door and electro-magnet 13 contact, it is more smooth and easy to make the car drag back door remove on mobile station 2, produce the better contact of the sunken department that the back door can be dragged to the car through electro-magnet 13 simultaneously, promote the car and drag the back door and need the magnetic force that receives when being fixed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a car drags back door processing location locking mechanism, includes fixed station (1) that is provided with automatic weld structure in the side, its characterized in that: the top surface of the fixed station (1) is provided with a mobile station (2), the center of the bottom side of the mobile station (2) is provided with a movable cylinder (3), the inner wall of the movable cylinder (3) is provided with a fixed rod (4) along the radial direction of the inner wall, the top side of the fixed rod (4) is provided with two meshed gears (5), the inner wall of the top side of the movable cylinder (3) is fixed with a deflection motor (6), the center of the top surface of one gear (5) is fixed with a power output shaft of the deflection motor (6), the center of the bottom surface of the other gear (5) is fixed with a mounting rack (7) with a U-shaped structure, a driving wheel (8) which is attached to the top surface of the fixed station (1) is mounted inside the mounting rack (7), a power motor (9) which provides power for the driving wheel (8) is fixed on the side surface of the bottom end of the mounting rack (7), the power motor (9) and the, the output end of the logic controller (10) is connected with the information input end of the automatic welding structure on the side surface of the fixed platform (1) through a lead; pressure sensor (11) are installed to the center department of mobile station (2) top surface, four telescopic cylinder (12) have been seted up about the central symmetry of mobile station (2) to the top surface of mobile station (2), the internally mounted of telescopic cylinder (12) has electro-magnet (13), the output and the logic controller (10) of pressure sensor (11) are connected, the output and the input of electro-magnet (13) of logic controller (10) are connected.
2. The machine-drawn back door processing, positioning and locking mechanism of claim 1, characterized in that: the bottom surface of mobile station (2) is close to the corner and has been seted up activity hole (21), the internally mounted of activity hole (21) has ball (22), ball (22) stretch out the outer wall of activity hole (21) and the top surface laminating of fixed station (1).
3. The machine-drawn back door processing, positioning and locking mechanism of claim 2, characterized in that: the top surface of mobile station (2) is close to its lateral wall department and has seted up a plurality of flexible holes (23), and a plurality of flexible holes (23) are the array and arrange, the internally mounted of flexible hole (23) has movable rod (24), install compression spring (25) between the inner wall and the movable rod (24) of open end are kept away from in flexible hole (23).
4. The machine-drawn back door processing, positioning and locking mechanism and the use method thereof as claimed in claim 1, characterized in that: the telescopic rod (121) is installed inside the telescopic cylinder (12), the top end of the telescopic rod (121) is fixed with the bottom surface of the electromagnet (13), and the top end of the electromagnet (13) extends out of the telescopic hole (23) by 1-2 cm.
5. The machine-drawn back door processing, positioning and locking mechanism of claim 4, wherein: the bottom of telescopic link (121) is T style of calligraphy structure, the inner wall an organic whole that telescopic cylinder (12) are close to the open end is provided with spacing collar (122), reset spring (123) have been cup jointed to the outer wall of telescopic link (121), the both ends of reset spring (123) are laminated with the outer wall of telescopic link (121) T type structure one end and the bottom side of spacing collar (122) respectively.
6. The machine-drawn back door processing, positioning and locking mechanism of claim 1, characterized in that: a movable section of thick bamboo (3) are L type structure, mounting bracket (7) stretch into the inside one end of a movable section of thick bamboo (3) and are the cylinder type structure, and the one end of stretching out a movable section of thick bamboo (3) is U style of calligraphy structure, the inner wall that L type one end was kept away from in a movable section of thick bamboo (3) is fixed with bearing (31), the inner wall of bearing (31) is fixed with the outer wall of mounting bracket (7).
7. The machine-drawn back door processing, positioning and locking mechanism of claim 1, characterized in that: the top surface of the side wall of the fixed station (1) is connected with the side wall of the movable station (2) through a dust cover (14), and the center of the side surface of the driving wheel (8) is fixed with a power output shaft of the power motor (9).
8. The machine-drawn back door processing, positioning and locking mechanism of claim 7, characterized in that: the top views of the fixed station (1) and the mobile station (2) are both regular quadrangles, and the side length of the fixed station (1) is twice that of the mobile station (2).
9. The use method of the positioning and locking mechanism for machining the rear door of the vehicle trailer as claimed in claim 1 comprises the following specific use steps:
t1, converting the plane of the fixed platform (1) into coordinates, taking the center of the fixed platform (1) as a (0, 0) point of a two-dimensional coordinate, horizontally placing the rear car door to be processed on the top surface of the mobile platform (2), closing the power supply of the electromagnet (13) by the pressure sensor (11) through the logic controller (10), fixing the rear car door by the mobile platform (2) through the electromagnet (13), and limiting and fixing the edge of the rear car door through the movable rod (24) which is not in contact with the bottom surface of the rear car door;
t2, initially, the point where the moving wheel (8) contacts the fixed table (1) is the origin of coordinates, when welding operation is needed, the logic controller (10) shifts the coordinates of the coordinates to be processed, which are symmetrical about the origin of coordinates, the moving table (2) firstly displaces in the X-axis direction, at the moment, the logic controller (10) controls the deflection motor (6) to rotate 90 degrees anticlockwise or along a pointer, so that the diameter of the moving wheel (8) along the horizontal direction is parallel to the X-axis, the control of the moving table (2) driven by the moving wheel (8) to move and displace is realized by adjusting the rotation angle of the power motor (9), after the moving wheel (8) completes adjustment of the X-axis coordinates, the logic controller (10) rotates 90 degrees anticlockwise or clockwise again through the deflection motor (6), so that the diameter of the moving wheel (8) along the horizontal direction is perpendicular to the X-axis, and then the power motor (9) is controlled, the driving wheel (8) is positioned at a target coordinate point, and the machining point of the rear door of the trailer is positioned at the origin of coordinates, so that the rear door of the trailer can be machined more conveniently;
t3, after the first processing, if the other coordinate points are processed, the logic controller (10) firstly judges whether the new coordinate and the first processing coordinate are in the same quadrant, if so, the logic controller (10) takes the coordinate point where the movable wheel (8) is located during the first processing as the coordinate origin, the corresponding first processing coordinate point of the rear door of the vehicle rear door is also taken as the coordinate origin, then the logic controller (10) converts the second processing coordinate, and repeats the first adjusting process by taking the new coordinate origin as the reference, finally, the second processing point of the rear door of the vehicle rear door is moved to the center of the fixed table (1), if the coordinates of the first processing point and the second processing point are not in the same coordinate quadrant, the logic controller (10) controls the deflection motor (6) and the power motor (9) to enable the movable wheel (8) to be located at the center of the top surface of the fixed table (1), then, adjusting the movable wheel (8) by taking the center of the fixed table (1) as a coordinate origin again until the movable wheel (8) is at a target coordinate point;
t4, through the cooperation use of above each device, can realize dragging the back door to the car and carry out automatic locking, reduce labour cost, realize the automation to can provide the location supplementary to automatic weld, reduce automatic weld's cost.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN202010705035.0A CN111805146B (en) | 2020-07-21 | 2020-07-21 | Positioning and locking mechanism for machining of rear door of vehicle trailer and using method of positioning and locking mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803101A (en) * | 2021-09-18 | 2021-12-17 | 汪辉 | a hydraulic support |
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| US6264185B1 (en) * | 2000-04-19 | 2001-07-24 | Shoda Iron Works Co., Ltd. | Suction pad |
| CN2625121Y (en) * | 2003-07-03 | 2004-07-14 | 武汉理工大学 | Section bar carrying and material loading/unloading robot |
| CN204401803U (en) * | 2014-12-27 | 2015-06-17 | 华北水利水电大学 | Based on the steel work oblique locating connector of BIM |
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| CN111805146B (en) | 2022-06-24 |
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