CN214417849U

CN214417849U - Hobbing cutter angle adjusting device of gear hobbing machine

Info

Publication number: CN214417849U
Application number: CN202120357213.5U
Authority: CN
Inventors: 宋征; 张天一
Original assignee: Laiwu Tailong Gear Co ltd
Current assignee: Laiwu Tailong Gear Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-10-19
Anticipated expiration: 2031-02-07

Abstract

The application relates to a hobbing cutter angle adjusting device of a gear hobbing machine, which comprises a rack, a fixing mechanism, an adjusting mechanism and a working mechanism, wherein the fixing mechanism is connected with the rack; the adjusting mechanism comprises an adjusting component and a driving component, the adjusting component is connected with the fixing mechanism, and the driving component is connected with the rack; the adjusting assembly comprises a connecting disc and a rotating column, the connecting disc is connected with the fixing mechanism, the rotating column is coaxially and fixedly connected with the connecting disc, the working mechanism is connected with one end, far away from the connecting disc, of the rotating column, and the driving assembly drives the rotating column to rotate. The driving assembly drives the rotating column to rotate, the rotating column drives the working mechanism to rotate, so that the angle of the working mechanism is adjusted, and the fixing mechanism fixes the rotating column after the rotating column rotates to a proper position. The gear hobbing machine can process gears in different shapes and has the effect of wide application range.

Description

Hobbing cutter angle adjusting device of gear hobbing machine

Technical Field

The application relates to the field of gear hobbing machines, in particular to a hobbing cutter angle adjusting device of a gear hobbing machine.

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. When the machine tool uses a special hob, various workpieces with special tooth shapes such as a spline, a chain wheel and the like can be machined.

At present, the utility model discloses a chinese utility model patent application with publication number CN211708294U discloses a hobbing cutter main shaft of gear hobbing machine, including organism and chuck, organism one side is provided with the chuck is provided with the fixed plate in the chuck, and the fixed plate is kept away from chuck one side welding has two support rings, be provided with the hobbing cutter main shaft in the support ring, the hobbing cutter main shaft both sides have welded respectively fixture block one and fixture block two, and fixture block one side is provided with ring one, and ring one is close to the fixture block one-side is opened and is equipped with draw-in groove one, and ring one is kept away from fixture block one-side welding has motor one, and two one sides of fixture block are provided with straining device, and the organism up end has seted up logical groove, and logical groove top is provided with the bracing piece, and the welding of bracing piece below has motor two, and the bottom welding of motor two has the support column, and the outer skin weld of support column bottom has a plurality of strengthening ribs. According to the novel hob spindle, the hob spindle is moved to enable a first clamping block on the hob spindle to be separated from a first clamping groove, and finally the hob spindle is taken down and replaced again.

In view of the above-mentioned related technologies, the inventor believes that the angle of the hob main shaft is fixed, which results in that the gear hobbing machine can only machine a gear with a single shape, and the application range is small.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the gear hobbing machine to process gears with different shapes and expand the application range of the gear hobbing machine, the application provides the hobbing cutter angle adjusting device of the gear hobbing machine.

The application provides a pair of gear hobbing machine hobbing cutter angle adjusting device adopts following technical scheme:

a hobbing cutter angle adjusting device of a gear hobbing machine comprises a rack, a fixing mechanism, an adjusting mechanism and a working mechanism, wherein the fixing mechanism is connected with the rack, the adjusting mechanism is connected with the fixing mechanism, and the working mechanism is connected with the adjusting mechanism;

the adjusting mechanism comprises an adjusting component and a driving component, the adjusting component is connected with the fixing mechanism, and the driving component is connected with the rack;

the adjusting component comprises a connecting disc and a rotating column, the connecting disc is connected with the fixing mechanism, the rotating column is fixedly connected with the connecting disc in a coaxial mode, the working mechanism is connected with one end, far away from the connecting disc, of the rotating column, and the driving component drives the rotating column to rotate.

Through adopting above-mentioned technical scheme, drive assembly drive rotates the post and rotates, rotates the post and drives operating device and rotate to adjust operating device's angle, rotate the post and fix the post when rotating the post and rotating suitable position back fixed establishment, thereby make things convenient for the gear hobbing machine to process the gear of different shapes, enlarge gear hobbing machine's application scope.

Optionally, a worm wheel is coaxially and fixedly connected to the rotating column, the driving assembly comprises a rotating motor and a worm, the driving motor is fixedly connected to the rack, the worm is coaxially and fixedly connected to an output shaft of the rotating motor, and the worm wheel is meshed with the worm.

By adopting the technical scheme, the output shaft of the rotating motor drives the worm to rotate, the worm is meshed with the worm gear to rotate along with the worm, and the worm gear drives the rotating column to rotate, so that the rotating column adjusts the angle of the working mechanism.

Optionally, one end of the worm, which is far away from the rotating motor, is rotatably connected with a first stabilizing block, and the first stabilizing block is fixedly connected with the connecting disc.

Through adopting above-mentioned technical scheme, first stabilizing block supports and fixes the worm to improve the stability of worm.

Optionally, the fixing mechanism comprises a first fixing block and a second fixing block, the first fixing block and the second fixing block are fixedly connected to the frame, the connecting disc is fixedly connected to the first fixing block, and the rotating column penetrates through the second fixing block and is in sliding connection with the second fixing block.

Through adopting above-mentioned technical scheme, first fixed block supports the connection pad, and the second fixed block supports the column that rotates to the stability of device has been improved.

Optionally, the second fixing block is in threaded connection with a collision bolt.

Through adopting above-mentioned technical scheme, after rotating the post and adjusting operating device to suitable angle, rotate the conflict bolt, the conflict bolt offsets with rotating the post to rotating the post and fixing, thereby improving device's stability.

Optionally, operating mechanism includes fixed plate, driving motor and hobbing cutter, fixed plate and rotation post fixed connection, driving motor fixed connection is on the fixed plate keeps away from a side of rotating the post, the main shaft of hobbing cutter and driving motor's output shaft coaxial coupling, the one end rotation that driving motor was kept away from to the main shaft of hobbing cutter is connected with the second steady piece, the second steady piece can be dismantled with the fixed plate and be connected.

Through adopting above-mentioned technical scheme, driving motor drive hobbing cutter rotates, and the hobbing cutter processes the work piece.

Optionally, the output shaft of the driving motor is fixedly connected with a connecting block, a placing groove is formed in the connecting block, one end, far away from the second stabilizing block, of the main shaft of the hob is placed in the placing groove, a fixing bolt is connected to the connecting block through threads, and the fixing bolt penetrates through the main shaft of the hob and is in threaded connection with the main shaft of the hob.

Through adopting above-mentioned technical scheme, rotate fixing bolt, make fixing bolt wear to locate in the main shaft of second fixed block and hobbing cutter to fix the main shaft of hobbing cutter.

Optionally, a connecting plate is fixedly connected to the second stabilizing block, a connecting bolt is connected to the connecting plate through a thread, and the connecting bolt penetrates through the fixing plate and is connected with the fixing plate through a thread.

Through adopting above-mentioned technical scheme, rotate connecting bolt, make connecting plate and fixed plate separation to the convenience is to the change of second steady piece, and the convenience is to the dismantlement of hobbing cutter.

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

1. according to the embodiment of the application, the rotating motor is started through the arrangement of the rotating motor, the worm gear, the rotating column, the fixing plate and the hobbing cutter, the output shaft of the rotating motor drives the worm to rotate, the worm gear meshed with the worm rotates along with the worm gear, the worm gear drives the rotating column to rotate, and the rotating column drives the fixing plate to rotate, so that the angle of the hobbing cutter is adjusted, the hobbing machine can conveniently process gears in different shapes, and the application range of the hobbing machine is expanded;

2. this application embodiment is through having set up fixing bolt, connecting bolt and connecting block, when the hobbing cutter needs to be changed, rotates fixing bolt and connecting bolt, takes out the hobbing cutter from the standing groove on the connecting block to the convenience is to the change of hobbing cutter.

Drawings

Fig. 1 is a schematic structural diagram of a hob angle adjusting device of a gear hobbing machine according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a working mechanism in a hob angle adjusting device of a gear hobbing machine according to an embodiment of the present application.

Description of reference numerals: 1. a frame; 2. a fixing mechanism; 21. a first fixed block; 22. a second fixed block; 23. abutting against the bolt; 3. an adjustment mechanism; 31. an adjustment assembly; 311. a connecting disc; 312. rotating the column; 313. a worm gear; 32. a drive assembly; 321. rotating the motor; 322. a worm; 323. a first stabilization block; 4. a working mechanism; 41. a fixing plate; 42. a drive motor; 43. hobbing cutters; 44. a second stabilization block; 45. a connecting plate; 46. a connecting bolt; 47. connecting blocks; 48. a placement groove; 49. and (5) fixing the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses gear hobbing machine hobbing cutter angle adjusting device. Referring to fig. 1, the hobbing cutter angle adjusting device of the gear hobbing machine comprises a frame 1, a fixing mechanism 2, an adjusting mechanism 3 and a working mechanism 4. The fixing mechanism 2 is connected to the frame 1, the adjusting mechanism 3 is connected to the fixing mechanism 2, and the working mechanism 4 is connected to the adjusting mechanism 3. The adjusting mechanism 3 adjusts the angle of the working mechanism 4, and after the angle of the working mechanism 4 is adjusted to a proper position, the fixing mechanism 2 fixes the adjusting mechanism 3, so that gears of different shapes can be conveniently machined by the gear hobbing machine, and the application range of the gear hobbing machine is expanded.

Referring to fig. 1, the fixing mechanism 2 includes a first fixing block 21 and a second fixing block 22. The first fixing block 21 and the second fixing block 22 are welded to the frame 1. The adjusting mechanism 3 comprises an adjusting component 31 and a driving component 32, wherein the adjusting component 31 is connected with the first fixing block 21, and the driving component 32 is connected with the frame 1.

Referring to fig. 1, the adjusting assembly 31 includes a connecting plate 311 and a rotating post 312. The connecting disc 311 is welded on the first fixing block 21, the rotating column 312 is rotatably connected at the central position of the connecting disc 311, and the rotating column 312 penetrates through the second fixing block 22 and is connected with the second fixing block 22 in a sliding manner. The first fixing block 21 supports the connection disc 311, and the second fixing block 22 supports the rotation post 312, thereby improving the stability of the device. The operating mechanism 4 is connected to an end of the rotating column 312 remote from the connecting disc 311. The cross section of the rotating column 312 is circular, a worm wheel 313 is coaxially and fixedly connected to the rotating column 312, and the worm wheel 313 is close to the connecting disc 311. The drive assembly 32 includes a rotary motor 321 and a worm 322. The driving motor 42 is fixedly connected to the frame 1 through a bolt, the worm 322 is coaxially and fixedly connected with an output shaft of the rotating motor 321, and the worm wheel 313 is meshed with the worm 322. One end of the worm 322 far away from the rotating motor 321 is rotatably connected with a first stabilizing block 323 through a bearing, and the first stabilizing block 323 is fixedly connected with the connecting disc 311. The output shaft of the rotating motor 321 drives the worm 322 to rotate, the worm wheel 313 meshed with the worm 322 rotates with the worm 322, and the worm wheel 313 drives the rotating column 312 to rotate, so that the rotating column 312 adjusts the angle of the working mechanism 4.

Referring to fig. 1, a butt bolt 23 is threadedly coupled to the second fixing block 22. After the rotating column 312 adjusts the working mechanism 4 to a proper angle, the interference bolt 23 is rotated, the interference bolt 23 is abutted against the rotating column 312, and therefore the rotating column 312 is fixed, and the stability of the device is improved.

Referring to fig. 1 and 2, the working mechanism 4 includes a fixed plate 41, a driving motor 42, and a hob 43. The fixed plate 41 is welded on the rotating column 312, and the driving motor 42 is fixedly connected to a side surface of the fixed plate 41 away from the rotating column 312 through bolts. The main shaft of the hob 43 is coaxially connected with the output shaft of the driving motor 42, one end of the main shaft of the hob 43, which is far away from the driving motor 42, is rotatably connected with a second stabilizing block 44 through a bearing, and the second stabilizing block 44 is welded on the fixing plate 41. The drive motor 42 drives the hob 43 to rotate, and the hob 43 machines the workpiece. The second stabilizing block 44 is welded with a connecting plate 45, the connecting plate 45 is connected with a connecting bolt 46 through threads, and the connecting bolt 46 penetrates through the fixing plate 41 and is connected with the fixing plate 41 through threads. The connecting bolt 46 is rotated to separate the connecting plate 45 from the fixed plate 41, thereby facilitating the replacement of the second stabilizing block 44 and the removal of the hob 43.

Referring to fig. 2, an output shaft of the driving motor 42 is fixedly connected with a connecting block 47, and a placing groove 48 is formed on the connecting block 47. The end of the main shaft of the hob 43 remote from the second fixed block 22 is placed in the placement groove 48. The second fixing block 22 is threadedly connected with a fixing bolt 49, and the fixing bolt 49 is inserted into the main shaft of the hob 43 and threadedly connected with the main shaft of the hob 43. The fixing bolt 49 is rotated to pass the fixing bolt 49 through the second fixing block 22 and the main shaft of the hob 43, thereby fixing the main shaft of the hob 43.

The implementation principle of the hobbing cutter angle adjusting device of the gear hobbing machine in the embodiment of the application is as follows: the rotating motor 321 is started, the output shaft of the rotating motor 321 drives the worm 322 to rotate, the worm wheel 313 meshed with the worm 322 rotates along with the worm, the worm wheel 313 drives the rotating post 312 to rotate, the rotating post 312 drives the fixing plate 41 to rotate, so that the angle of the hob 43 is adjusted, after the hob 43 is adjusted to a proper angle, the driving motor 42 is started, the output shaft of the driving motor 42 drives the hob 43 to rotate, and therefore the hob 43 can be conveniently machined into gears in different shapes, and the application range of the hob is expanded.

When the hob 43 needs to be replaced, the fixing bolt 49 and the connecting bolt 46 are rotated, and the hob 43 is taken out of the placing groove 48, so that the hob 43 is convenient to replace.

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 a gear hobbing machine hobbing cutter angle adjusting device which characterized in that: the device comprises a rack (1), a fixing mechanism (2), an adjusting mechanism (3) and a working mechanism (4), wherein the fixing mechanism (2) is connected with the rack (1), the adjusting mechanism (3) is connected with the fixing mechanism (2), and the working mechanism (4) is connected with the adjusting mechanism (3);

the adjusting mechanism (3) comprises an adjusting component (31) and a driving component (32), the adjusting component (31) is connected with the fixing mechanism (2), and the driving component (32) is connected with the rack (1);

adjusting part (31) include connection pad (311) and rotation post (312), connection pad (311) are connected with fixed establishment (2), rotate post (312) and the coaxial fixed connection of connection pad (311), operating device (4) are connected with the one end that connection pad (311) were kept away from in rotation post (312), drive assembly (32) drive rotates post (312) and rotates.

2. The hobbing machine hob angle adjustment device according to claim 1, characterized in that: rotate coaxial fixedly connected with worm wheel (313) on post (312), drive assembly (32) are including rotating motor (321) and worm (322), rotate motor (321) and frame (1) fixed connection, worm (322) and the coaxial fixed connection of output shaft that rotates motor (321), worm wheel (313) and worm (322) meshing.

3. The hobbing machine hob angle adjustment device according to claim 2, characterized in that: one end, far away from the rotating motor (321), of the worm (322) is rotatably connected with a first stabilizing block (323), and the first stabilizing block (323) is fixedly connected with the connecting disc (311).

4. A hobbing cutter angle adjustment device of a gear hobbing machine according to claim 3, characterized in that: fixed establishment (2) include first fixed block (21) and second fixed block (22), first fixed block (21) and the equal fixed connection of second fixed block (22) are in frame (1), connection pad (311) fixed connection is on first fixed block (21), rotation post (312) pass second fixed block (22) and with second fixed block (22) sliding connection.

5. The hobbing machine hob angle adjustment device according to claim 4, characterized in that: and a butt bolt (23) is connected to the second fixing block (22) in a threaded manner.

6. The hobbing machine hob angle adjustment device according to claim 5, characterized in that: operating device (4) are including fixed plate (41), driving motor (42) and hobbing cutter (43), fixed plate (41) and rotation post (312) fixed connection, driving motor (42) fixed connection is on a side of rotating post (312) is kept away from in fixed plate (41), the main shaft of hobbing cutter (43) and the output shaft coaxial coupling of driving motor (42), the one end rotation that driving motor (42) was kept away from to the main shaft of hobbing cutter (43) is connected with second steady piece (44), second steady piece (44) can be dismantled with fixed plate (41) and be connected.

7. The hobbing machine hob angle adjustment device according to claim 6, characterized in that: the output shaft fixedly connected with connecting block (47) of driving motor (42), standing groove (48) have been seted up on connecting block (47), during standing groove (48) were placed to the one end that the second stabilized piece (44) was kept away from to the main shaft of hobbing cutter (43), threaded connection has fixing bolt (49) on connecting block (47), fixing bolt (49) wear to locate in the main shaft of hobbing cutter (43) and with the main shaft threaded connection of hobbing cutter (43).

8. The hobbing machine hob angle adjustment device according to claim 7, characterized in that: the second stabilizing block (44) is fixedly connected with a connecting plate (45), the connecting plate (45) is connected with a connecting bolt (46) in a threaded mode, and the connecting bolt (46) penetrates through the fixing plate (41) and is connected with the fixing plate (41) in a threaded mode.