CN216801800U

CN216801800U - Deep hole boring equipment for long workpiece

Info

Publication number: CN216801800U
Application number: CN202220428085.3U
Authority: CN
Inventors: 吕明; 王学亮; 姜旭东
Original assignee: Shandong Taiming Machinery Co ltd
Current assignee: Shandong Taiming Machinery Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-06-24
Anticipated expiration: 2032-02-28

Abstract

The utility model relates to a long work piece deep hole boring equipment, which comprises a lathe, be equipped with the boring bar on the lathe, the tool bit subassembly is located to the one end of boring bar, be equipped with the slide rail on the lathe, be equipped with the support frame that is used for supporting the boring bar on the slide rail, be equipped with on the support frame and accept the seat, it has the solid fixed bed to articulate on the seat, the lower groove has been seted up to the top surface of accepting the seat, the upper groove has been seted up to the solid fixed bed, the cross-section semicircular in shape of upper groove and lower groove, the boring bar passes upper groove and lower groove, and the side of boring bar and the cell wall butt of upper groove and lower groove, be equipped with auxiliary assembly in upper groove and the lower groove, it is equipped with the locking lever to rotate on the seat, be equipped with the locking groove on the solid fixed bed, be equipped with lock nut on the locking lever, lock nut and the top surface butt of solid fixed bed, be equipped with the drive assembly who is used for driving the boring bar removal on the lathe. This application has can support and restriction boring bar vibrations longer boring bar, improves the machining efficiency of boring bar and the effect of precision.

Description

Long workpiece deep hole boring equipment

Technical Field

The utility model relates to the technical field of machining equipment, in particular to long-workpiece deep hole boring equipment.

Background

When parts of some long workpieces such as gun barrels, machine tool spindles and the like are used for machining deep holes, deep hole boring equipment is needed for general production, and correspondingly, the deep hole boring equipment is provided with a long boring rod. In order to facilitate cooling and chip removal, the layout of the deep hole drilling machine is horizontal.

In the deep hole boring equipment in the related art, a complex boring bar feeding gearbox is used for driving a boring bar supported by a single head to perform feeding motion, and the boring bar is abutted against the surface of a long workpiece to realize drilling operation.

However, because the length of the boring rod is long, when the drill bit is abutted to the workpiece for drilling, the boring rod is easy to deform under the action of the vibration and the gravity of the boring rod, the rotating speed and the feeding amount of the drill bit are reduced, and the machining efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides long workpiece deep hole boring equipment, aiming at improving the phenomena that when the existing deep hole boring equipment carries out deep hole machining, a boring rod is easy to vibrate and deform under the action of self gravity, the rotating speed and the feeding amount of a drill bit are reduced, and the machining efficiency and the machining accuracy are influenced.

The utility model provides a deep hole boring device for a long workpiece, which adopts the following technical scheme:

a long workpiece deep hole boring device comprises a lathe, wherein boring rods distributed along the length direction of the lathe are arranged on the lathe, one end of each boring rod is arranged on a cutter head assembly, a slide rail is arranged on the lathe, a support frame used for supporting the boring rods is arranged on the slide rail, a bearing seat is arranged on the support frame, a reinforcing seat is hinged on the bearing seat, a lower groove is formed in the top surface of the bearing seat, an upper groove matched with the lower groove is formed in one side, abutted against the bearing seat, of the reinforcing seat, the cross sections of the upper groove and the lower groove are semicircular, the boring rods penetrate through the upper groove and the lower groove, the side surfaces of the boring rods are abutted against the groove walls of the upper groove and the lower groove, auxiliary assemblies used for reducing the friction force with the boring rods are arranged in the upper groove and the lower groove, and a lock rod used for locking the reinforcing seat is rotatably arranged on the bearing seat, the reinforcing seat is provided with a locking groove for containing a locking rod, the locking rod is provided with a locking nut, the locking nut is abutted against the top surface of the reinforcing seat, and the lathe is provided with a driving assembly for driving the boring rod to move.

By adopting the technical scheme, when the boring bar is used for processing a long workpiece, the support frame is placed below the boring bar, and the boring bar is positioned in the lower groove on the bearing seat on the support frame, so that the bearing seat plays a role in supporting the boring bar, and the deformation of the boring bar caused by the self gravity is reduced. In addition, the reinforcing seat is buckled with the bearing seat, the reinforcing seat is fixedly connected with the bearing seat by the lock rod, the boring rod is located in a hole formed by the upper groove and the lower groove, and when the boring rod vibrates, the upper groove and the lower groove are matched with each other, so that the vibration of the boring rod is limited, and the workpiece machining efficiency and precision are improved.

Preferably, the auxiliary assembly comprises a rotating wheel rotatably arranged on the groove walls of the upper groove and the lower groove, the rotating shaft of the rotating wheel is parallel to the length direction of the upper groove, and the rotating wheel is in rolling connection with the side wall of the boring bar.

By adopting the technical scheme, the rotating wheels are rotatably arranged in the upper groove and the lower groove, so that when the boring bar needs to be rotated, the rotating wheels can rotate along with the rotation of the boring bar, and the friction force between the boring bar and the bearing seat as well as between the boring bar and the reinforcing seat is favorably reduced.

Preferably, an elastic abutting ring is arranged on the peripheral side of the rotating wheel and abuts against the peripheral side of the boring bar.

By adopting the technical scheme, when the bearing seat supports the boring rod, the elastic abutting ring is abutted against the side wall of the boring rod, the vibration generated during the machining of the boring rod is reduced by utilizing the elastic action of the elastic abutting ring, and the precision of the machining and drilling of the boring rod and the cutter head assembly is improved.

Preferably, the driving assembly comprises a driving motor arranged on the lathe and a screw rod arranged on an output shaft of the driving motor, a top plate is arranged on the lathe, the top plate is fixedly connected with one end, away from the tool bit assembly, of the boring bar, the bottom of the top plate is arranged on the screw rod in a penetrating mode, and the top plate is connected with the screw rod in a sliding mode.

Through adopting above-mentioned technical scheme, when the terminal surface butt of tool bit subassembly and long work piece, driving motor rotates and drives the lead screw and rotate, makes the roof on the lead screw remove along the length direction of lead screw for the boring bar can remove along predetermined direction of feed, thereby process the department deep hole in long work piece.

Preferably, the reinforcing base is provided with a connecting hook, a connecting rod for mutual connection is arranged between the reinforcing bases, connecting rings are arranged at two ends of the connecting rod, and the connecting rings are hooked with the connecting hook.

Through adopting above-mentioned technical scheme, utilize the connecting rod to link together adjacent support frame to be used for restricting the supporting seat and be close to each other when the boring bar feeds, can not produce longer support vacancy on the messenger boring bar.

Preferably, one side of the support frame, which is abutted against the slide rail, is provided with a roller, and the roller is in rolling fit with the surface of the slide rail.

Through adopting above-mentioned technical scheme, because boring bar length is longer, and weight is great, therefore the sliding friction between support frame and the slide rail is great for the support frame removes inconveniently, consequently is provided with the gyro wheel in one side of support frame and slide rail butt, and processing sliding friction changes into rolling friction, is favorable to moving the support frame along the length direction of slide rail.

Preferably, the walls of the upper and lower grooves are coated with lubricating oil.

By adopting the technical scheme, the boring bar penetrates through the hole formed by the upper groove and the lower groove, and the boring bar is abutted against the groove wall, so that when the boring bar rotates, a larger friction force exists between the boring bar and the reinforcing seat and the bearing seat, and lubricating oil is coated in the groove wall to facilitate reduction of the friction force.

Preferably, the boring bar is hollow, and a water pipe is arranged at one end, far away from the cutter head assembly, of the boring bar.

Through adopting above-mentioned technical scheme, when long work piece is processed to the boring bar, the water pipe is used for cooling the tool bit subassembly to pouring into water in to the boring bar, reduces the tool bit subassembly and adds the deformation that takes place because of being heated when processing.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the support frames are supported below the boring bar, when the longer boring bar machines deep holes on a long workpiece, the plurality of support frames are erected along the length direction of the boring bar, so that the boring bar is supported, and the deformation of the boring bar caused by the self gravity is reduced;

2. the reinforcing seat and the bearing seat are matched with each other, so that the boring rod penetrates through a hole formed by the upper groove and the lower groove, when the boring rod vibrates, the elastic abutting rings on the reinforcing seat and the bearing seat can reduce the vibration amplitude of the boring rod, and the processing precision of the boring rod is improved.

Drawings

FIG. 1 is a schematic view of the overall structure in the present embodiment;

FIG. 2 is a view showing the cutter head assembly of the present embodiment;

FIG. 3 is a partial cross-sectional view of the supporting frame of the present embodiment.

Description of reference numerals: 1. turning a lathe; 11. a screw rod; 12. a drive motor; 2. a top plate; 21. a guide bar; 3. boring a rod; 31. a water pipe; 4. a cutter head assembly; 41. a connector; 42. a first mounting seat; 43. a second mounting seat; 44. a first cutter; 45. a second cutter; 46. an auxiliary tool; 47. mounting holes; 48. a chip groove; 5. a slide rail; 6. a support frame; 61. a connecting seat; 611. a roller; 62. a bearing seat; 621. a lower groove; 63. a rotating wheel; 64. a rotation chamber; 65. an elastic abutting ring; 66. a receiving edge; 67. a reinforcing seat; 671. an upper groove; 672. reinforcing edges; 673. a placement groove; 674. a connecting hook; 7. a connecting rod; 71. a connecting ring; 8. a lock lever; 81. and locking the nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

A deep hole boring device for a long workpiece is disclosed, and referring to fig. 1, the deep hole boring device comprises a lathe 1, a screw rod 11 is mounted on the lathe 1, the screw rod 11 is arranged along the length direction of the lathe 1, and one end of the screw rod 11 is connected with a driving motor 12. The lathe 1 is connected with a top plate 2 in a sliding mode, a through hole for a screw rod 11 to penetrate through is horizontally formed in the bottom of the top plate 2, internal threads are formed in the through hole in an engraved mode, the screw rod 11 penetrates through the through hole, and the screw rod 11 is in threaded connection with the top plate 2. The lathe 1 is further provided with a guide rod 21, the guide rod 21 is parallel to the screw rod 11, the bottom of the top plate 2 is further horizontally provided with a guide hole for the guide rod 21 to pass through, and the guide rod 21 is arranged in the guide hole in a penetrating mode, so that when the driving motor 12 controls the top plate 2 to move along the length direction of the screw rod 11 through the screw rod 11, the guide rod 21 is used for limiting the rotation of the top plate 2.

Referring to fig. 1, a boring bar 3 is mounted on a top plate 2, the boring bar 3 is arranged along the length direction of a lathe 1, one end of the boring bar 3 is detachably connected with the top plate 2, in the embodiment, the long workpiece is processed in a manner that the long workpiece rotates, and when the processing manner needs to be changed, the boring bar 3 can be rotated.

Referring to fig. 1, the boring bar 3 is hollow, and a water pipe 31 for cooling is connected to one end of the boring bar 3 connected to the top plate 2. The end of the boring bar 3 far away from the top plate 2 is connected with a cutter head component 4 for drilling a workpiece.

Referring to fig. 2, in particular, the cutter head assembly 4 comprises a connecting head 41, and a first mounting seat 42 and a second mounting seat 43 which are sequentially mounted at the end of the connecting head 41, wherein the first mounting seat 42 and the second mounting seat 43 are distributed along the axial direction of the connecting head 41, and the first mounting seat 42 is far away from the boring bar 3 relative to the second mounting seat 43. The first mounting seat 42 is provided with a first cutter 44 for drilling, the second mounting seat 43 is provided with a second cutter 45 for boring, the first cutter 44 and the second cutter 45 are arranged along the diameter direction of the connecting head 41, and the axial distance from the blade of the first cutter 44 to the first mounting seat 42 is smaller than the axial distance from the second cutter 45 to the second mounting seat 43.

Referring to fig. 2, an auxiliary tool 46 for adjusting the size of the drilled hole is further mounted on the connecting head 41, a mounting hole 47 for mounting the auxiliary tool 46 is formed on the peripheral side of the connecting head 41, and the auxiliary tool 46 is screwed into the mounting hole 47. The surface of the connecting head 41 is provided with a chip groove 48 for discharging chips, and the chip groove 48 is formed along the length direction of the connecting head 41.

Referring to fig. 3, the lathe 1 is provided with two slide rails 5 along the length direction of the lathe 1, the two slide rails 5 are arranged in parallel, and the two slide rails 5 are respectively located at two sides of the screw rod 11. The lathe 1 is provided with a support frame 6 for supporting the boring rod 3, the support frame 6 is positioned above the screw rod 11, the support frame 6 comprises a connecting seat 61, the connecting seat 61 is respectively connected with two sliding rails 5, a roller 611 is rotatably arranged on one side, abutted against the sliding rails 5, of the connecting seat 61, and the roller 611 is in rolling fit with the sliding rails 5.

Referring to fig. 3, a receiving seat 62 is connected to the top of the supporting frame 6, and the receiving seat 62 is fixedly connected to the top surface of the connecting seat 61. The top surface of the bearing seat 62 is provided with a lower groove 621 for bearing the boring bar 3, the cross section of the lower groove 621 is semicircular, and the lower groove 621 is arranged along the length direction of the boring bar 3. The inner wall of the lower groove 621 is rotatably provided with a rotating wheel 63 for reducing the friction force between the boring bar 3 and the bearing seat 62, specifically, the inner wall of the lower groove 621 is provided with a rotating cavity 64, the rotating wheel 63 is positioned in the rotating cavity 64, the peripheral side of the rotating wheel 63 protrudes out of the groove wall of the lower groove 621, and the rotating shaft of the rotating wheel 63 is parallel to the center line of the boring bar 3. An elastic abutting ring 65 is connected to the circumferential side of the rotating wheel 63, and the elastic abutting ring 65 abuts against the side wall of the boring bar 3 to reduce the vibration of the boring bar 3.

Referring to fig. 3, the bearing seat 62 is hinged with a reinforcement seat 67 for engaging with the bearing seat 62 to limit the vibration of the boring bar 3, specifically, an upper groove 671 is formed on one side of the bearing seat 67 engaging with the bearing seat 62, the cross section of the upper groove 671 is semicircular, and the center line of the upper groove 671 is parallel to the center line of the boring bar 3. When the reinforcement seat 67 is engaged with the receiving seat 62, the upper groove 671 and the lower groove 621 form a through hole for the boring bar 3 to pass through. Similarly, a rotatable wheel 63 is rotatably mounted on the wall of the upper groove 671.

Referring to fig. 3, a receiving edge 66 is connected to a side surface of the receiving seat 62, and the receiving edge 66 is located on a side of the receiving seat 62 away from the hinge shaft. The side of the reinforcing base 67 is connected with a reinforcing edge 672, and when the reinforcing base 67 is buckled on the bearing base 62, the bearing edge 66 is in butt fit with the reinforcing edge 672. The bearing seat 62 is provided with a locking assembly for locking the reinforcing seat 67 and the bearing seat 62, specifically, the locking assembly comprises a locking rod 8 rotatably installed on the bearing edge 66, and the locking rod 8 is in threaded connection with a locking nut 81. The reinforcing edge 672 is provided with a placing groove 673 for placing the locking rod 8, and the placing groove 673 is vertical to the length direction of the reinforcing edge 672. When the reinforcing seat 67 is engaged, the locking nut 81 abuts against the top surface of the reinforcing rim 672 toward the side of the rotation shaft of the locking lever 8, thereby fixedly connecting the reinforcing seat 67 and the receiving seat 62.

Referring to fig. 1, in the present embodiment, there are a plurality of support frames 6 on the lathe 1, and the plurality of support frames 6 are distributed at equal intervals along the length direction of the slide rail 5. The side wall of the reinforcing base 67 is provided with a connecting hook 674, connecting rods 7 for mutual connection are connected between adjacent reinforcing bases 67, two ends of each connecting rod 7 are respectively connected with a connecting ring 71, and the connecting rings 71 and the connecting hooks 674 are hooked and matched for enabling the supporting bases to be distributed at equal intervals along the length direction of the boring bar 3.

The implementation principle of the application is as follows: when a long workpiece is to be processed with a deep hole by using the boring bar 3, the workpiece is placed on the lathe 1, and the cutter head assembly 4 on the boring bar 3 is brought into abutment with an end face of the workpiece. The long workpiece is rotated, and the driving motor 12 drives the screw rod 11 to rotate. Meanwhile, the top plate 2 in threaded connection with the screw rod 11 moves along the length direction of the screw rod 11, so that the boring bar 3 is driven to move along the feeding direction, the first cutter 44 in the cutter head assembly 4 drills the end face of the long workpiece, and the second cutter 45 bores the hole wall of the drilled hole. If the size of the drilled hole needs to be modified, an auxiliary cutter 46 is arranged in a mounting hole 47 on the connecting head 41 to trim the hole.

In the working process of the boring bar 3, a plurality of support frames 6 are distributed at equal intervals along the length direction of the boring bar 3, so that different positions of the boring bar 3 are supported. The reinforcing seat 67 is fastened with the bearing seat 62, and the bearing seat 62 on the support frame 6 is matched with the reinforcing seat 67, so that the boring bar 3 is positioned in the hole between the upper groove 671 and the lower groove 621, the groove walls of the upper groove 671 and the lower groove 621 are rotatably provided with the rotating wheel 63, the peripheral side of the rotating wheel 63 is provided with the elastic abutting ring 65, and the vibration amplitude of the boring bar 3 in use is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The long workpiece deep hole boring device comprises a lathe (1), wherein boring rods (3) distributed along the length direction of the lathe (1) are arranged on the lathe (1), one end of each boring rod (3) is arranged on a cutter head assembly (4), and the long workpiece deep hole boring device is characterized in that: the lathe (1) is provided with a sliding rail (5), the sliding rail (5) is provided with a supporting frame (6) for supporting a boring rod (3), the supporting frame (6) is provided with a bearing seat (62), the bearing seat (62) is hinged with a reinforcing seat (67), the top surface of the bearing seat (62) is provided with a lower groove (621), one side of the reinforcing seat (67) abutted against the bearing seat (62) is provided with an upper groove (671) matched with the lower groove (621), the sections of the upper groove (671) and the lower groove (621) are semicircular, the upper groove (671) and the lower groove (621) are arranged along the length direction of the boring rod (3), the boring rod (3) penetrates through the upper groove (671) and the lower groove (621), and auxiliary components for reducing the friction force with the boring rod (3) are arranged in the upper groove (671) and the lower groove (621), the locking device is characterized in that a locking rod (8) used for locking a reinforcing seat (67) is rotatably arranged on the bearing seat (62), a locking groove used for containing the locking rod (8) is formed in the reinforcing seat (67), a locking nut (81) is arranged on the locking rod (8), the locking nut (81) is abutted to the top surface of the reinforcing seat (67), and a driving assembly used for driving the boring rod (3) to move is arranged on the lathe (1).

2. The long workpiece deep hole boring apparatus of claim 1, wherein: the auxiliary assembly comprises a rotating wheel (63) rotatably arranged on the groove walls of the upper groove (671) and the lower groove (621), the rotating shaft of the rotating wheel (63) is parallel to the length direction of the upper groove (671), and the rotating wheel (63) is in rolling connection with the side wall of the boring rod (3).

3. The long workpiece deep hole boring apparatus of claim 2, wherein: an elastic abutting ring (65) is arranged on the peripheral side of the rotating wheel (63), and the elastic abutting ring (65) abuts against the peripheral side of the boring rod (3).

4. The long workpiece deep hole boring apparatus of claim 1, wherein: the driving assembly comprises a driving motor (12) arranged on the lathe (1) and a screw rod (11) arranged on an output shaft of the driving motor (12), a top plate (2) is arranged on the lathe (1), the top plate (2) is fixedly connected with one end, away from the cutter head assembly (4), of the boring rod (3), the bottom of the top plate (2) is arranged on the screw rod (11) in a penetrating mode, and the top plate (2) is connected with the screw rod (11) in a sliding mode.

5. The long workpiece deep hole boring apparatus of claim 1, wherein: the reinforcing base (67) is provided with connecting hooks (674), connecting rods (7) used for being connected with each other are arranged between the reinforcing bases (67), connecting rings (71) are arranged at two ends of each connecting rod (7), and the connecting rings (71) are hooked with the connecting hooks (674).

6. The long workpiece deep hole boring apparatus of claim 1, wherein: one side of the support frame (6) abutted to the sliding rail (5) is provided with a roller (611), and the roller (611) is in rolling fit with the surface of the sliding rail (5).

7. The long workpiece deep hole boring apparatus of claim 1, wherein: and lubricating oil is coated in the groove walls of the upper groove (671) and the lower groove (621).

8. The long workpiece deep hole boring apparatus of claim 1, wherein: the boring bar (3) is hollow, and a water pipe (31) is arranged at one end, far away from the cutter head assembly (4), of the boring bar (3).