CN115475974A

CN115475974A - Boring machine

Info

Publication number: CN115475974A
Application number: CN202110602522.9A
Authority: CN
Inventors: 吕晓亮; 卢晓明
Original assignee: Zhejiang Henuo Machinery Co ltd
Current assignee: Zhejiang Henuo Machinery Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-12-16
Anticipated expiration: 2041-05-31
Also published as: CN115475974B

Abstract

The invention provides a boring machine, which belongs to the technical field of machine tools and comprises a machine tool body, wherein a workbench is arranged on the machine tool body, a mounting plate is fixedly connected onto the workbench, an auxiliary power head is fixedly connected onto the mounting plate, a boring cutter is arranged on the auxiliary power head, a main power head is fixedly connected onto the workbench, a chamfering cutter is arranged on the main power head, a first driving mechanism for driving the auxiliary power head and the main power head to rotate is arranged on the mounting plate, a second driving mechanism for driving the X-axis and the Y-axis of the workbench to move is arranged on the machine tool body, and a three-jaw chuck for fixing a workpiece is arranged on the machine tool body.

Description

Boring machine

Technical Field

The invention belongs to the technical field of machine tools, and particularly relates to a boring machine.

Background

The boring machine is a special device for processing deep-hole workpieces of oil cylinders, air cylinders and hydraulic cylinders, and can also be used for processing spindle holes, blind holes and stepped holes of machine tools. The machine tool not only can undertake various drilling and boring, but also can carry out rolling processing, and an internal chip removal method or an external chip removal method is adopted during drilling. The machine tool body has strong rigidity, good precision maintenance and wide spindle rotating speed range, the feeding system is driven by an alternating current servo motor and can meet the requirements of various deep hole processing technologies, the oil supply device is fastened and the workpiece is tightly propped by a hydraulic device, and the instrument display is safe and reliable.

When an existing boring machine is used for machining a workpiece, when the workpiece needs to be bored and chamfered on the inner wall of a hole, an operator needs to machine the workpiece through the boring machine firstly, and then chamfer the machined workpiece through the chamfering machine, so that the machining efficiency of the workpiece is low.

There is a need for an apparatus that can both bore holes and chamfer the inner walls of the holes.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a boring machine which has the characteristic of facilitating an operator to sequentially bore and chamfer a workpiece.

The purpose of the invention can be realized by the following technical scheme:

the boring machine comprises a machine body, wherein a workbench is installed on the machine body, a mounting plate is fixedly connected onto the workbench, an auxiliary power head is fixedly connected onto the mounting plate, a boring cutter is installed on the auxiliary power head, a main power head is fixedly connected onto the workbench, a chamfering cutter is installed on the main power head, a first driving mechanism used for driving the auxiliary power head and the main power head to rotate is arranged on the mounting plate, a second driving mechanism used for driving the X axis and the Y axis of the workbench to move is arranged on the machine body, and a three-jaw chuck used for fixing a workpiece is installed on the machine body.

Furthermore, the first driving mechanism comprises a driving motor fixedly connected to the mounting plate, a first belt wheel is fixedly connected to an output shaft of the driving motor, a second belt wheel is fixedly connected to an input shaft of the secondary power head, a third belt wheel is mounted to an input shaft of the main power head, a first synchronous belt is wound between the first belt wheel and the second belt wheel, and a second synchronous belt is wound between the second belt wheel and the third belt wheel.

Furthermore, a tool bit seat is rotatably connected to the end face of the front end of the main power head and fixedly connected with one end of a shaft in the main power head, a dovetail groove is formed in the front end of the tool bit seat, a dovetail block is slidably connected in the dovetail groove, the chamfering tool is fixedly connected to the dovetail block, and a third driving mechanism used for driving the dovetail block to slide in the dovetail groove through the shaft on the main power head is arranged on the workbench.

Further, the third driving mechanism comprises a cover plate fixedly connected to the upper surface of the main power head, a servo motor is fixedly connected to one end face of the cover plate through a motor base, a driving lead screw is connected to an output shaft of the servo motor through a coupler, a driving block is in threaded connection to the outer wall of the driving lead screw, a limiting part used for limiting rotation of the driving block is arranged between the driving block and the cover plate, a connecting plate is fixedly connected to the lower surface of the driving block, a connecting block is fixedly connected to the lower surface of the connecting plate, a long hole is formed in the shaft of the main power head and penetrates through two ends of the shaft of the main power head, a pull rod is connected to the long hole in a rotating mode, one end of the pull rod is connected to the connecting block in a rotating mode, an installation cavity is formed inside the tool head base and is communicated with a dovetail groove and coaxially arranged with the tool head base, a driving rod is connected to one end of the pull rod in a rotating mode, and one end of the driving rod is connected to one end of the dovetail block.

Furthermore, a screw rod seat is fixedly connected to the lower surface of the cover plate, a first bearing is fixedly connected to the screw rod seat, and the outer wall of the driving screw rod is fixedly connected to the inner wall of the first bearing.

Furthermore, a second bearing is fixedly connected to the connecting block, and one end of the pull rod is fixedly connected to the inner wall of the second bearing.

Furthermore, the limiting part comprises two base plates fixedly connected to the lower surface of the cover plate, the two base plates are respectively located on two sides of the driving screw rod, a sliding rail with an I-shaped cross section is fixedly connected to the upper surface of the connecting plate, a sliding block provided with a sliding groove with an I-shaped cross section is fixedly connected to the lower surface of the cover plate, and the sliding block is slidably connected to the sliding rail through the sliding groove.

Furthermore, the second driving mechanism comprises a first motor fixedly connected to the lathe bed through a connecting seat, a first lead screw fixedly connected to an output shaft of the first motor through a coupler, the first lead screw is arranged along the length direction of the lathe bed, a first plate is slidably connected to the lathe bed through a sliding rod, a first block is fixedly connected to the lower surface of the first plate and is in threaded connection with the first lead screw, a second motor is fixedly connected to the upper surface of the first plate, a second lead screw is fixedly connected to the output shaft of the second motor through a coupler and is vertically arranged with the first lead screw, a second plate is slidably connected to the upper surface of the first plate through a sliding rod, a second block is fixedly connected to the lower surface of the second plate and is in threaded connection with the second lead screw, and the workbench is fixedly connected to the upper surface of the second plate.

Compared with the prior art, the invention has the following advantages:

1. according to the invention, the first motor and the second motor drive the workbench to move, so that the boring cutter and the chamfering cutter can be respectively aligned to the workpiece, and through the arrangement, the structure is simple, the operation is convenient, the functions of equipment are increased, and the processing efficiency of the workpiece is improved.

2. According to the chamfering device, the first motor drives the chamfering tool to move towards one side far away from a workpiece, the servo motor drives the pull rod to move through the driving screw rod, the pull rod drives the dovetail block to slide in the dovetail groove through the driving rod, and the dovetail block drives the chamfering tool to move.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a third drive mechanism in the embodiment of the present invention.

Fig. 3 is a schematic view of features on a tool tip carrier in an embodiment of the invention.

Fig. 4 is a schematic structural diagram of a second drive mechanism in the embodiment of the present invention.

In the figure, 1, a lathe bed; 2. a work table; 3. mounting a plate; 4. a secondary power head; 5. boring cutter; 6. a main power head; 7. chamfering cutter; 8. a first drive mechanism; 9. a second drive mechanism; 10. a three-jaw chuck; 11. a drive motor; 12. a first pulley; 13. a second pulley; 14. a third belt pulley; 15. a first synchronization belt; 16. a second synchronous belt; 17. a tool bit seat; 18. a dovetail groove; 19. a dovetail block; 20. a third drive mechanism; 21. a cover plate; 22. a servo motor; 23. driving a lead screw; 24. a drive block; 25. a stopper; 26. a connecting plate; 27. connecting blocks; 28. a long hole; 29. a pull rod; 30. a mounting cavity; 31. a drive rod; 32. a lead screw seat; 33. a first bearing; 34. a second bearing; 35. a base plate; 36. a slide rail; 37. a slider; 38. a first motor; 39. a first lead screw; 40. a first plate; 41. a first block; 42. a second motor; 43. a second lead screw; 44. a second plate; 45. and a second block.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the boring machine comprises a machine body 1, a three-jaw chuck 10 for fixing a workpiece is mounted on the machine body 1, a workbench 2 is mounted on the machine body 1, a mounting plate 3 is fixedly connected to the workbench 2, an auxiliary power head 4 is fixedly connected to the mounting plate 3, a boring cutter 5 is mounted at an output end of the auxiliary power head 4, a main power head 6 is fixedly connected to the workbench 2, a chamfering cutter 7 is mounted on the main power head 6, and a first driving mechanism 8 for driving the auxiliary power head 4 and the main power head 6 to rotate simultaneously is arranged on the mounting plate 3.

As shown in fig. 1, the first driving mechanism 8 includes a driving motor 11 fixedly connected to the mounting plate 3, a first pulley 12 fixedly connected to an output shaft of the driving motor 11, a second pulley 13 fixedly connected to an input end of the secondary power head 4, a third pulley 14 fixedly connected to an input shaft of the main power head 6, a first timing belt 15 wound between the first pulley 12 and the second pulley 13, a second timing belt 16 wound between the second pulley 13 and the third pulley 14, the driving motor 11 electrically drives the first pulley 12 to rotate, the first pulley 12 drives the second pulley 13 to rotate through the first timing belt 15, and the second pulley 13 drives the third pulley 14 to rotate through the second timing belt 16.

As shown in fig. 2 and 3, in order to facilitate the chamfering tool 7 to chamfer the workpiece, a tool bit holder 17 is rotatably connected to the front end face of the main power head 6, the tool bit holder 17 is fixedly connected to one end of a shaft in the main power head 6, a dovetail groove 18 is formed in the front end of the tool bit holder 17, a dovetail block 19 is slidably connected to the dovetail groove 18, the chamfering tool 7 is fixedly connected to the dovetail block 19 through a bolt, and a third driving mechanism 20 capable of driving the dovetail block 19 to slide in the dovetail groove 18 while the tool bit rotates is arranged on the worktable 2.

As shown in fig. 2 and 3, the third driving mechanism 20 includes a cover plate 21 fixedly connected to the top surface of the main power head 6, a servo motor 22 is installed on an end surface of one end of the cover plate 21, the servo motor 22 is fixedly connected to the cover plate 21 through a motor base, a driving lead screw 23 is fixedly connected to an output shaft of the servo motor 22 through a coupling, a driving block 24 is connected to an outer wall of the driving lead screw 23 through a screw thread, a limiting member 25 for limiting rotation of the driving block 24 is disposed between the driving block 24 and the cover plate 21, a connecting block 26 is fixedly connected to a lower surface of the driving block 24, a connecting block 27 is fixedly connected to a lower surface of the connecting block 26, a long hole 28 is formed in a shaft of the main power head 6, the long hole 28 penetrates through two ends of the shaft of the main power head 6, a pull rod 29 is slidably connected to the long hole 28, one end of the pull rod 29 is rotatably connected to the connecting block 27, an installation cavity 30 is formed inside the tool base 17, the installation cavity 30 is communicated with the dovetail groove 18, the installation cavity 30 is coaxially arranged with the tool base 17, one end of the pull rod 29 is rotatably connected to one end of the dovetail groove 31, and one end of the driving rod 31 is connected to one driving rod 19.

As shown in fig. 2, in order to improve the stability of the rotation of the driving screw 23, a screw seat 32 is fixedly connected to the lower surface of the cover plate 21, a first bearing 33 is fixedly connected to the screw seat 32, and the driving screw 23 is fixedly connected to the inner wall of the first bearing 33; in order to improve the connection stability between the connecting block 27 and the pull rod 29, a second bearing 34 is fixedly connected to the connecting block 27, and one end of the pull rod 29 is fixedly connected to the inner wall of the second bearing 34.

As shown in fig. 2, the limiting member 25 includes two base plates 35 fixedly connected to the lower surface of the cover plate 21, the two base plates 35 are arranged in parallel and arranged along the length direction of the cover plate 21, the two base plates 35 are respectively located at two sides of the driving screw 23, a sliding rail 36 with an i-shaped cross section is fixedly connected to the upper surface of the connecting plate 26, a sliding block 37 with an i-shaped cross section is fixedly connected to the lower surface of the base plate 35, and the sliding block 37 is slidably connected to the sliding rail 36 through the sliding groove.

As shown in fig. 4, a second driving mechanism 9 for driving the worktable 2 to move along the X axis and the Y axis is disposed on the bed 1, the second driving mechanism 9 includes a first motor 38 fixedly connected to the bed 1 through a connecting seat, a first lead screw 39 is fixedly connected to an output shaft of the first motor 38 through a coupling, the first lead screw 39 is disposed along the length direction of the bed 1, a first plate 40 is slidably connected to the bed 1 through a sliding rod, a first block 41 is fixedly connected to a lower surface of the first plate 40, the first block 41 is in threaded connection with the first lead screw, a second motor 42 is fixedly connected to an upper surface of the first plate 40, a second lead screw 43 is fixedly connected to an output shaft of the second motor 42 through a coupling, the second lead screw 43 is disposed perpendicular to the first lead screw 39, a second plate 44 is slidably connected to an upper surface of the first plate 40 through a sliding rod, a second block 45 is fixedly connected to a lower surface of the second plate 44, the second block 45 is in threaded connection with the second lead screw 43, and the worktable 2 is fixedly connected to an upper surface of the second plate 44.

The working principle of the embodiment of the invention is as follows: a workpiece is clamped on a three-jaw chuck 10, a first motor 38 and a second motor 42 drive a workbench 2 to move, a boring cutter 5 on a secondary power head 4 is aligned with the workpiece to process the workpiece, after the processing is finished, the first motor 38 and the second motor 42 drive the workbench 2 to move, a chamfering cutter 7 is aligned with the workpiece, a driving motor 11 drives a shaft on a main power head 6 to rotate, the chamfering cutter 7 rotates, the first motor 38 drives the workbench 2 to move towards one side far away from the workpiece, meanwhile, a servo motor 22 drives a pull rod 29 to move through a driving lead screw 23, the pull rod 29 drives a dovetail block 19 to slide in a dovetail groove 18 through a driving rod 31, the chamfering cutter 7 of the dovetail block 19 moves, and holes in the workpiece are chamfered through the movement of the chamfering cutter 7.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments, or alternatives may be employed, by those skilled in the art, without departing from the spirit or ambit of the invention as defined in the appended claims.

Although 1, bed is used more herein; 2. a work table; 3. mounting a plate; 4. a secondary power head; 5. boring cutter; 6. a main power head; 7. chamfering cutter; 8. a first drive mechanism; 9. a second drive mechanism; 10. a three-jaw chuck; 11. a drive motor; 12. a first pulley; 13. a second pulley; 14. a third belt pulley; 15. a first synchronization belt; 16. a second synchronous belt; 17. a tool bit seat; 18. a dovetail groove; 19. a dovetail block; 20. a third drive mechanism; 21. a cover plate; 22. a servo motor; 23. driving a lead screw; 24. a drive block; 25. a limiting member; 26. a connecting plate; 27. connecting blocks; 28. a long hole; 29. a pull rod; 30. a mounting cavity; 31. a drive rod; 32. a lead screw seat; 33. a first bearing; 34. a second bearing; 35. a base plate; 36. a slide rail; 37. a slider; 38. a first motor; 39. a first lead screw; 40. a first plate; 41. a first block; 42. a second motor; 43. a second lead screw; 44. a second plate; 45. second, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a boring machine, includes lathe bed (1), its characterized in that install a workstation (2) on lathe bed (1) fixedly connected with mounting panel (3) on workstation (2), fixedly connected with auxiliary power head (4) on mounting panel (3), install a boring cutter (5) on auxiliary power head (4), fixedly connected with main power head (6) on workstation (2), install a chamfer sword (7) on main power head (6), be equipped with on mounting panel (3) and be used for driving auxiliary power head (4) and main power head (6) pivoted first actuating mechanism (8), be equipped with on lathe bed (1) and be used for driving second actuating mechanism (9) of workstation (2) X axle and Y axle motion, install three-jaw chuck (10) that are used for fixed work piece on lathe bed (1).

2. The boring machine according to claim 1, characterized in that the first drive mechanism (8) comprises a drive motor (11) fixedly connected to the mounting plate (3), a first pulley (12) is fixedly connected to an output shaft of the drive motor (11), a second pulley (13) is fixedly connected to an input shaft of the secondary power head (4), a third pulley (14) is mounted to an input shaft of the primary power head (6), a first timing belt (15) is wound between the first pulley (12) and the second pulley (13), and a second timing belt (16) is wound between the second pulley (13) and the third pulley (14).

3. The boring machine according to claim 1, characterized in that a tool bit holder (17) is rotatably connected to the front end face of the main power head (6), the tool bit holder (17) is fixedly connected to one end of a shaft in the main power head (6), a dovetail groove (18) is formed in the front end of the tool bit holder (17), a dovetail block (19) is slidably connected to the dovetail groove (18), the chamfering tool (7) is fixedly connected to the dovetail block (19), and a third driving mechanism (20) capable of driving the dovetail block (19) to slide in the dovetail groove (18) while the tool bit rotates is arranged on the worktable (2).

4. Boring machine according to claim 3, characterised in that the third drive mechanism (20) comprises a cover plate (21) fixedly connected to the upper face of the main power head (6), a servo motor (22) is fixedly connected on one end face of the cover plate (21) through a motor base, the output shaft of the servo motor (22) is connected with a driving screw rod (23) through a coupling, a driving block (24) is connected with the outer wall of the driving screw rod (23) in a threaded manner, a limiting piece (25) used for limiting the rotation of the driving block (24) is arranged between the driving block (24) and the cover plate (21), a connecting plate (26) is fixedly connected on the lower surface of the driving block (24), a connecting block (27) is fixedly connected on the lower surface of the connecting plate (26), a long hole (28) is arranged on the shaft of the main power head (6), the long hole (28) penetrates through the two ends of the shaft of the main power head (6), a pull rod (29) is rotatably connected in the long hole (28), one end of the pull rod (29) is rotatably connected on the connecting block (27), a mounting cavity (30) is arranged in the tool bit seat (17), the mounting cavity (30) is communicated with the dovetail groove (18) and is coaxially arranged with the tool bit seat (17), one end of the pull rod (29) is rotatably connected with a driving rod (31), and one end of the driving rod (31) is rotatably connected with one end of the dovetail block (19).

5. A boring machine according to claim 4, characterized in that a screw seat (32) is fixedly connected to the lower surface of the cover plate (21), a first bearing (33) is fixedly connected to the screw seat (32), and the outer wall of the drive screw (23) is fixedly connected to the inner wall of the first bearing (33).

6. A boring machine as claimed in claim 4, characterized in that a second bearing (34) is fixedly connected to the connecting piece (27), and one end of the tie rod (29) is fixedly connected to the inner wall of the second bearing (34).

7. The boring machine according to claim 4, characterized in that the limiting member (25) comprises two backing plates (35) fixedly connected to the lower surface of the cover plate (21), the two backing plates (35) are respectively located at two sides of the driving screw (23), a slide rail (36) with an I-shaped cross section is fixedly connected to the upper surface of the connecting plate (26), a slide block (37) with a sliding groove with an I-shaped cross section is fixedly connected to the lower surface of the backing plate (35), and the slide block (37) is slidably connected to the slide rail (36) through the sliding groove.

8. The boring machine according to claim 1, characterized in that the second driving mechanism (9) comprises a first motor (38) fixedly connected to the machine bed (1) through a connecting base, a first lead screw (39) is fixedly connected to an output shaft of the first motor (38) through a coupling, the first lead screw (39) is arranged along the length direction of the machine bed (1), a first plate (40) is slidably connected to the machine bed (1) through a sliding rod, a first block (41) is fixedly connected to a lower surface of the first plate (40), the first block (41) is in threaded connection with the first lead screw, a second motor (42) is fixedly connected to an upper surface of the first plate (40), a second lead screw (43) is fixedly connected to an output shaft of the second motor (42) through a coupling, the second lead screw (43) is vertically arranged with the first lead screw (39), a second plate (44) is slidably connected to an upper surface of the first plate (40) through a sliding rod, a second block (45) is fixedly connected to a lower surface of the second plate (44), and the second lead screw (45) is fixedly connected to a working table (2) through a coupling.