CN216177320U

CN216177320U - High-precision gear hobbing machine capable of expanding machining range

Info

Publication number: CN216177320U
Application number: CN202122707109.7U
Authority: CN
Inventors: 任强
Original assignee: Nanjing Pingshuang Plastic Machine Gear Manufacturing Co ltd
Current assignee: Nanjing Pingshuang Plastic Machine Gear Manufacturing Co ltd
Priority date: 2021-11-06
Filing date: 2021-11-06
Publication date: 2022-04-05
Anticipated expiration: 2031-11-06

Abstract

The application discloses but expanded application range's high accuracy gear hobbing machine, the technical field who relates to the gear hobbing machine, it is limited to improve the scope that traditional gear machine is adjustable for the majority, only be applicable to the forging of some small-size gears, the practicality of equipment reduces, the problem that machining efficiency descends, the on-line screen storage device comprises a base, top one side of base is provided with the baffle, one side middle part that the baffle is close to the base is provided with the support, be connected with the gusset plate between the bottom of support and the baffle, the cylinder is installed to the top of support, the output that baffle one side was kept away from to the cylinder is connected with the push rod, the other end of push rod is connected with the push pedal, the opposite side of push pedal is connected with the gear hobbing machine body, the four edges of bottom department of gear hobbing machine body is connected with the wheel, the below of wheel is provided with buffer structure. The gear hobbing machine is simple and compact in structure, and the expansion of the machining range of the gear hobbing machine is effectively realized.

Description

High-precision gear hobbing machine capable of expanding machining range

Technical Field

The application relates to the technical field of gear hobbing machines, in particular to a high-precision gear hobbing machine with an expandable machining range.

Background

The hobbing machine is one of the most widely used gear cutting machines, and can cut straight teeth, helical cylindrical gears, worm gears, chain wheels, etc. A gear processing machine for processing straight teeth, helical teeth, herringbone cylindrical gears and worm gears by a hob according to a generating method.

However, most of the conventional gear machines have a limited adjustable range, are only suitable for forging some small gears, and have low practicability and low machining efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems that most of traditional gear machines have limited adjustable range, are only suitable for forging some small gears, reduce the practicability of equipment and reduce the machining efficiency, the application provides a high-precision gear hobbing machine capable of expanding the machining range.

The application provides a high accuracy gear hobbing machine of expanded application range adopts following technical scheme:

the utility model provides an expanded application range's high accuracy gear hobbing machine, includes the base, top one side of base is provided with the baffle, one side middle part that the baffle is close to the base is provided with the support, be connected with the gusset plate between the bottom of support and the baffle, the cylinder is installed to the top of support, the output that baffle one side was kept away from to the cylinder is connected with the push rod, the other end of push rod is connected with the push pedal, the opposite side of push pedal is connected with the gear hobbing machine body, the four edges of bottom of gear hobbing machine body are connected with the wheel, the below of wheel is provided with buffer structure.

By adopting the technical scheme, the device has a simple and compact structure, and effectively expands the processing range of the gear hobbing machine.

Optionally, the base is located the below of gear hobbing machine body and has seted up the buffering die cavity, buffer structure is including the atress board that imbeds the buffering die cavity, the bottom of atress board is equidistant to be provided with the multiunit telescopic link, every group the buffer spring has all been cup jointed in the outside of telescopic link.

Optionally, a sliding groove is formed in one side, away from the baffle, of the base, an adjusting hand wheel is connected to the outer wall of one side, close to the sliding groove, of the base, a transverse adjusting screw rod is connected to one side, close to the sliding groove, of the adjusting hand wheel, and the transverse adjusting screw rod penetrates through the base and extends into the sliding groove.

Optionally, a gear processing table is arranged on one side, away from the baffle, of the upper portion of the base, a sliding block is fixedly connected to the bottom of the gear processing table, the sliding block extends into the sliding groove, and the sliding block is in threaded connection with the transverse adjusting screw.

Optionally, a rotating shaft is vertically arranged above the gear machining table, and a gear forging piece is sleeved on the outer side of the rotating shaft.

Optionally, slide rails are symmetrically arranged on the surface of the front end of the gear hobbing machine body, a T-shaped groove is formed in each slide rail, a longitudinal adjusting screw is vertically arranged in the T-shaped groove on one side, a screw motor is arranged below the slide rail of the longitudinal adjusting screw, an output end of the upper side of the screw motor is connected with the longitudinal adjusting screw, a guide rod is vertically arranged in the T-shaped groove on the other side, and a T-shaped block is arranged in each T-shaped groove.

Optionally, the T-shaped blocks are symmetrically arranged, the T-shaped block close to the longitudinal adjusting screw is in threaded connection with the longitudinal adjusting screw, the T-shaped block close to the guide rod is in sliding connection with the guide rod, a hob is connected between the T-shaped blocks, and a hob motor is arranged on the outer side of the T-shaped block close to one side of the guide rod.

Optionally, threaded holes are formed in the top of the longitudinal adjusting screw and the top of the guide rod, a fixing screw is connected to the threaded holes in a threaded manner, and a limiting end is fixedly connected to the top of the fixing screw.

In summary, the present application includes at least one of the following benefits:

1. the baffle can be regarded as a limiting structure and is fixedly connected with the support, the stability of the support is further improved by matching with the reinforcing plate, a cylinder arranged on the support can stably output, the push rod and the push plate are integrally formed, the push plate is fixedly connected with the gear hobbing machine body, and the gear hobbing machine body is pushed through the output of the cylinder, so that the processing range of the gear hobbing machine body is expanded, the moving efficiency of the gear hobbing machine body can be improved through the fixedly connected wheel, and the vibration brought by the outside or the gear hobbing machine body can be absorbed through the buffer structure, so that the processing precision is ensured;

2. in order to avoid the influence of vibration on the machining precision as much as possible, the stress plate is arranged to be attached to the wheel, the stress plate can downwards extrude the telescopic rod and the buffer spring when the hobbing machine body moves or is vibrated in the machining process, the buffer spring absorbs the vibration, and then the stress plate is reset under the elastic action of the buffer spring so as to ensure that the hobbing machine body is not influenced by the vibration during machining;

3. in order to improve the precision of the hobbing machine body, an adjusting hand wheel and a transverse adjusting screw rod are integrally formed, the transverse adjusting screw rod can be driven to rotate together through the adjusting hand wheel, a gear forging piece is sleeved on the outer side of a rotating shaft and can rotate on the rotating shaft, the machining of one circle of the forging piece is facilitated, a gear machining table is fixedly connected with a sliding block, and during machining, the sliding block can be driven to be finely adjusted by rotating the adjusting hand wheel, so that the machining precision of the gear forging piece on the gear machining table is ensured;

4. screw motor and vertical adjusting screw fixed connection, accessible screw motor drive rotate, and vertical adjusting screw corotation or reversal regulation one side T-shaped piece carry out altitude mixture control, and the cooperation of opposite side T-shaped piece guide arm is further spacing, and the hobbing cutter motor drive hobbing cutter rotates and polishes the gear forging, and the motion of T-shaped piece can drive the hobbing cutter and move together to the range of work that the extension hobbing cutter ground.

Drawings

FIG. 1 is a perspective view of the overall structure of the present application;

FIG. 2 is a schematic front cross-sectional view of the base of the present application;

FIG. 3 is a side view of the overall structure of the present application;

fig. 4 is an enlarged schematic view of the structure at a in fig. 3 of the present application.

Description of reference numerals: 1. a base; 2. a baffle plate; 3. a support; 4. a reinforcing plate; 5. a cylinder; 6. a push rod; 7. pushing the plate; 8. a gear hobbing machine body; 9. a wheel; 10. fixing the screw rod; 11. a screw motor; 12. a slide rail; 13. a T-shaped slot; 14. a T-shaped block; 15. hobbing cutters; 16. a stress plate; 17. a gear machining table; 18. a rotating shaft; 19. forging a gear; 20. a chute; 21. adjusting a hand wheel; 22. a buffer cavity; 23. a telescopic rod; 24. a buffer spring; 25. a slider; 26. a transverse adjusting screw; 27. a longitudinal adjusting screw; 28. a guide bar; 29. a hob motor; 30. a limiting end; 31. a threaded bore.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Example (b):

the embodiment of the application discloses a high-precision gear hobbing machine capable of expanding a machining range. Referring to fig. 1 and 2, a high-precision gear hobbing machine capable of expanding a processing range comprises a base 1, a baffle 2 is arranged on one side above the base 1, a support 3 is arranged at the middle part of one side, close to the base 1, of the baffle 2, a reinforcing plate 4 is connected between the bottom of the support 3 and the baffle 2, an air cylinder 5 is mounted above the support 3, the baffle 2 can be regarded as a limiting structure, the baffle 2 is fixedly connected with the support 3 and is matched with the reinforcing plate 4 to further improve the stability of the support 3 for the stable output of the air cylinder 5 mounted on the support 3, an output end, far from the side of the baffle 2, of the air cylinder 5 is connected with a push rod 6, the other end of the push rod 6 is connected with a push plate 7, the other side of the push plate 7 is connected with a gear hobbing machine body 8, the push rod 6 and the push plate 7 are integrally formed, the push plate 7 is fixedly connected with the gear hobbing machine body 8, the gear hobbing machine body 8 is pushed through the output of the air cylinder 5, so as to expand the processing range of the gear hobbing machine body 8, the four edges of bottom of gear hobbing machine body 8 are connected with wheel 9, rotate the removal efficiency that wheel 9 connected can promote gear hobbing machine body 8, and the below of wheel 9 is provided with buffer structure, can absorb the vibration that external world or gear hobbing machine body 8 self brought through buffer structure to guarantee the precision of processing.

Referring to fig. 2, for avoid the vibration to exert an influence on the machining precision as far as possible, buffering die cavity 22 has been seted up to base 1 below that is located hobbing machine body 8, buffer structure includes the atress board 16 of embedding buffering die cavity 22, atress board 16 laminating wheel 9 sets up, the equidistant multiunit telescopic link 23 that is provided with in bottom of atress board 16, buffer spring 24 has all been cup jointed in the outside of every group telescopic link 23, receive the vibration in hobbing machine body 8 removes or the course of working, atress board 16 all can extrude telescopic link 23 and buffer spring 24 downwards, absorb the vibration through buffer spring 24, make atress board 16 reset through buffer spring 24's elastic action afterwards, with this reduce the vibration influence that receives in hobbing machine body 8 man-hour.

Referring to fig. 2, in order to improve the precision of the hobbing machine body 8, a chute 20 is formed in one side of the base 1 away from the baffle 2, an adjusting hand wheel 21 is connected to the outer wall of one side of the base 1 close to the chute 20, a transverse adjusting screw 26 is connected to one side of the adjusting hand wheel 21 close to the chute 20, the adjusting hand wheel 21 and the transverse adjusting screw 26 are integrally formed, the transverse adjusting screw 26 can be driven to rotate together by the adjusting hand wheel 21, the transverse adjusting screw 26 penetrates through the base 1 and extends into the chute 20, a gear processing table 17 is arranged on one side of the upper portion of the base 1 away from the baffle 2, a rotating shaft 18 is vertically arranged above the gear processing table 17, a gear forging piece 19 is sleeved on the outer side of the rotating shaft 18, the gear forging piece 19 can rotate on the rotating shaft 18, which is beneficial to processing a circle of the forging piece, a slide block 25 is fixedly connected to the bottom of the gear processing table 17, and the gear processing table 17 is fixedly connected with the slide block 25, the sliding block 25 extends into the sliding groove 20, the sliding block 25 is in threaded connection with the transverse adjusting screw 26, and during machining, the sliding block 25 can be driven to be finely adjusted by rotating the adjusting hand wheel 21, so that the machining precision of the gear forging piece 19 on the gear machining table 17 is improved.

Referring to fig. 3, the front end surface of the gear hobbing machine body 8 is symmetrically provided with slide rails 12, each slide rail 12 is provided with a T-shaped groove 13, a longitudinal adjusting screw 27 is vertically arranged in the T-shaped groove 13 on one side, a screw motor 11 is arranged below the slide rail 12 of the longitudinal adjusting screw 27, the upper output end of the screw motor 11 is connected with the longitudinal adjusting screw 27, the screw motor 11 is fixedly connected with the longitudinal adjusting screw 27 and can be driven to rotate by the screw motor 11, a guide rod 28 is vertically arranged in the T-shaped groove 13 on the other side, T-shaped blocks 14 are arranged in the T-shaped grooves 13, the T-shaped blocks 14 are symmetrically arranged, the T-shaped blocks 14 close to the longitudinal adjusting screw 27 are in threaded connection with the longitudinal adjusting screw 27, the T-shaped blocks 14 close to the guide rod 28 are in sliding connection with the guide rod 28, the T-shaped blocks 14 on one side are adjusted in forward rotation or reverse rotation by the longitudinal adjusting screw 27, the T-shaped blocks 14 on the other side are matched with the guide rod 28 for further limiting, a hobbing cutter 15 is connected between the T-shaped blocks 14, a hobbing cutter motor 29 is arranged on the outer side of the T-shaped block 14 close to one side of the guide rod 28, the hobbing cutter motor 29 drives the hobbing cutter 15 to rotate to grind the gear forging piece 19, and the movement of the T-shaped block 14 can drive the hobbing cutter 15 to move together, so that the grinding range of the hobbing cutter 15 is expanded.

Referring to fig. 4, threaded holes 31 are formed in the tops of the longitudinal adjusting screw 27 and the guide rod 28, the fixing screw 10 is in threaded connection with the threaded holes 31, the top of the fixing screw 10 is fixedly connected with a limiting end 30, the limiting end 30 and the fixing screw 10 are integrally formed, the movement range of the hob 15 is limited, meanwhile, the hob 15 can be conveniently detached or installed from the longitudinal adjusting screw 27 and the guide rod 28, and the hob 15 can be conveniently replaced or maintained in the later period.

The implementation principle of the high-precision gear hobbing machine capable of expanding the machining range in the embodiment of the application is as follows:

before using, cup joint gear forging 19 on pivot 18, start cylinder 5 through the control panel on the gear hobbing machine body 8, cylinder 5 output promotes gear hobbing machine body 8, and gear hobbing machine body 8 drives hobbing cutter 15 and is close to gear forging 19. The screw motor 11 is then started to drive the longitudinal adjusting screw 27 to rotate and drive the T-shaped block 14 to adjust the height of the hob 15, the hob motor 29 is started to drive the hob 15 to rotate to grind the gear forging 19 when the hob contacts the gear forging 19. In the process, the gear machining table 17 can be finely adjusted through the adjusting hand wheel 21 in order to further improve the machining precision, the machining precision of the gear forging piece 19 is improved, the device is simple and compact in structure, and the machining range of the gear hobbing machine is effectively expanded.

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 utility model provides an expanded machining range's high accuracy gear hobbing machine, includes base (1), its characterized in that: the top one side of base (1) is provided with baffle (2), one side middle part that baffle (2) are close to base (1) is provided with support (3), be connected with gusset plate (4) between the bottom of support (3) and baffle (2), cylinder (5) are installed to the top of support (3), the output that baffle (2) one side was kept away from in cylinder (5) is connected with push rod (6), the other end of push rod (6) is connected with push pedal (7), the opposite side of push pedal (7) is connected with gear hobbing machine body (8), the four corners in bottom of gear hobbing machine body (8) are connected with wheel (9), the below of wheel (9) is provided with buffer structure.

2. The extended reach high accuracy hobbing machine of claim 1, characterized by: the buffering die cavity (22) has been seted up to base (1) below that is located gear hobbing machine body (8), buffer structure is including embedding stress plate (16) of buffering die cavity (22), the bottom of stress plate (16) is equidistant to be provided with multiunit telescopic link (23), every group buffer spring (24) have all been cup jointed in the outside of telescopic link (23).

3. The extended reach high accuracy hobbing machine of claim 1, characterized by: the base is characterized in that a sliding groove (20) is formed in one side, away from the baffle (2), of the base (1), an adjusting hand wheel (21) is connected to the outer wall of one side, close to the sliding groove (20), of the base (1), one side, close to the sliding groove (20), of the adjusting hand wheel (21) is connected with a transverse adjusting screw rod (26), and the transverse adjusting screw rod (26) penetrates through the base (1) and extends into the sliding groove (20).

4. The extended working range high precision hobbing machine of claim 3, characterized by: one side of the upper portion of the base (1) far away from the baffle (2) is provided with a gear machining table (17), the bottom of the gear machining table (17) is fixedly connected with a sliding block (25), the sliding block (25) extends into the sliding groove (20), and the sliding block (25) is in threaded connection with a transverse adjusting screw (26).

5. The extended working range high precision hobbing machine of claim 4, characterized by: a rotating shaft (18) is vertically arranged above the gear machining table (17), and a gear forging piece (19) is sleeved on the outer side of the rotating shaft (18).

6. The extended reach high accuracy hobbing machine of claim 1, characterized by: slide rails (12) are symmetrically arranged on the surface of the front end of the gear hobbing machine body (8), each group of slide rails (12) is internally provided with a T-shaped groove (13), one side of the T-shaped groove (13) is vertically provided with a longitudinal adjusting screw (27), a screw motor (11) is arranged below the slide rails (12) of the longitudinal adjusting screw (27), the upper output end of the screw motor (11) is connected with the longitudinal adjusting screw (27), the other side of the screw motor is vertically provided with a guide rod (28) in the T-shaped groove (13), and T-shaped blocks (14) are arranged in the T-shaped grooves (13).

7. The extended reach high accuracy hobbing machine of claim 6, characterized by: the T-shaped blocks (14) are symmetrically arranged, the T-shaped blocks (14) close to the longitudinal adjusting screw rods (27) are in threaded connection with the longitudinal adjusting screw rods (27), the T-shaped blocks (14) close to the guide rods (28) are in sliding connection with the guide rods (28), hobbing cutters (15) are connected between the T-shaped blocks (14), and hobbing cutter motors (29) are arranged on the outer sides of the T-shaped blocks (14) close to one sides of the guide rods (28).

8. The extended reach high accuracy hobbing machine of claim 6, characterized by: threaded holes (31) are formed in the tops of the longitudinal adjusting screw rod (27) and the guide rod (28), a fixing screw rod (10) is connected to the threaded holes (31) in a threaded mode, and a limiting end (30) is fixedly connected to the top of the fixing screw rod (10).