CN217193067U

CN217193067U - Gear hobbing machine gear hobbing machine knife rest angle adjustment mechanism

Info

Publication number: CN217193067U
Application number: CN202220227212.3U
Authority: CN
Inventors: 罗曙光; 张振军; 栾宏伟
Original assignee: Qingdao Jiaxi Industry And Trade Co ltd
Current assignee: Qingdao Jiaxi Industry And Trade Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-08-16
Anticipated expiration: 2032-01-27

Abstract

The utility model provides a gear hobbing machine knife rest angular adjustment mechanism. The angle adjusting mechanism for the cutter frame of the gear hobbing machine comprises a base, wherein a supporting plate is fixedly connected to the top of the base, a sliding plate is slidably connected to the left side of the supporting plate, a fixing plate is fixedly connected to the bottom of the sliding plate, a sleeve is rotatably connected to the inside of the fixing plate, a worm wheel is fixedly connected to the outer surface of the sleeve, a driving motor is fixedly connected to the top of the sliding plate, and a worm is fixedly connected to an output shaft of the driving motor. The utility model provides a gear hobbing machine knife rest angular adjustment mechanism is convenient for carry out the scope to the processing range of cutter and adjusts, can carry out the adaptability adjustment according to the specification of gear, and the cutter can once only contradict and wait to process the surface of gear, adjusts the precision height, and the operation is got up convenience more.

Description

Gear hobbing machine gear hobbing machine knife rest angle adjustment mechanism

Technical Field

The utility model relates to a gear hobbing machine field especially relates to a gear hobbing machine knife rest angular adjustment mechanism.

Background

The hobbing machine is the most widely used machine tool in gear processing machine tools, and can machine straight teeth and helical gears, worm gears and chain wheels, etc. on the hobbing machine, and the hobbing cutter can machine straight teeth, helical teeth, herringbone gears and worm gears according to the generating method.

The gear is generally machined and formed by a gear hobbing machine, and the traditional gear hobbing machine comprises a base, a tool rest, a tool apron, a hob and an upper limiting mechanism. In the process of processing gears, the angle of a cutter frame of the gear hobbing machine is often required to be adjusted so as to ensure the effect of processing the gears by the gear hobbing machine.

In the correlation technique, the current gear hobbing machine cutter frame angle adjusting mechanism is inconvenient in the process of adjusting the range, so that the machining precision is not easy to control and the use is inconvenient when gears with different diameters and different specifications are machined.

Therefore, there is a need to provide an angle adjustment mechanism for a gear hobbing machine tool rest of a gear hobbing machine to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a gear hobbing machine knife rest angular adjustment mechanism has solved and has used inconvenient problem.

In order to solve the technical problems, the utility model provides a hobbing machine gear hobbing machine knife rest angle adjusting mechanism, which comprises a base, wherein the top of the base is fixedly connected with a supporting plate, the left side of the supporting plate is slidably connected with a sliding plate, the bottom of the sliding plate is fixedly connected with a fixed plate, the inner part of the fixed plate is rotatably connected with a sleeve, the outer surface of the sleeve is fixedly connected with a worm wheel, the top of the sliding plate is fixedly connected with a driving motor, the driving motor is connected with an external power supply through a control switch, the output shaft of the driving motor is fixedly connected with a worm, the inner part of the sleeve is slidably connected with a moving block, a tension spring is arranged between the right side of the moving block and the inner wall of the sleeve, the left side of the moving block is fixedly connected with a moving rod, the other end of the moving rod is provided with a cutter, the outer surface of the sleeve is provided with two grooves, two the inside sliding connection of recess has the sliding block, the sliding block with be provided with compression spring between the recess, the opposite side fixedly connected with sloping block of sliding block, two the equal fixedly connected with fixture block in the relative one side of sloping block, telescopic surface threaded connection has the thread bush.

Preferably, the outer surface of the worm wheel is in mesh with the outer surface of the worm.

Preferably, the top of the base is provided with a rotary workbench, the top of the supporting plate is fixedly connected with a top plate, the bottom of the top plate is fixedly connected with an air cylinder, the air cylinder is connected with an external power supply through a control switch, and the bottom end of the air cylinder is fixed on the top of the sliding plate.

Preferably, the right side of base fixedly connected with block terminal.

Preferably, the outer fixed surface of carriage release lever is connected with the stopper, the cutter cover is located the surface of carriage release lever, the thread groove has been seted up to the left end of carriage release lever, the inside threaded connection of thread groove has the threaded rod, the left end fixedly connected with U type piece of threaded rod.

Preferably, the inner surface of the cutter is provided with a plurality of positioning grooves, and the outer surface of the moving rod is fixedly connected with a plurality of positioning blocks.

Preferably, the positioning groove is matched with the positioning block.

Compared with the prior art, the utility model provides a gear hobbing machine knife rest angle adjustment mechanism has following beneficial effect:

the utility model provides a gear hobbing machine knife rest angular adjustment mechanism, make the cutter remove through manual pulling cutter, indirectly pull extension spring, extension spring kick-backs afterwards and contradict the cutter at the surface of gear, make two sloping block relative movement through rotatory thread bush, it is fixed with the carriage release lever, thereby fix the cutter, it processes the gear to drive the cutter rotation indirectly after driving motor starts, be convenient for carry out the scope to the range regulation of the range of processing of cutter, can carry out adaptability adjustment according to the specification of gear, the cutter can once only contradict the surface of waiting to process the gear, it is high to adjust the precision, more convenience is got up in the operation.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of a gear hobbing machine cutter frame angle adjustment mechanism provided by the present invention;

FIG. 2 is a schematic structural view of the sleeve shown in FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2;

fig. 4 is a schematic structural view of a second embodiment of an angle adjustment mechanism for a gear hobbing machine knife rest according to the present invention.

Reference numbers in the figures: 1. a base; 2. a support plate; 3. a sliding plate; 4. a fixing plate; 5. a sleeve; 6. a worm gear; 7. a drive motor; 8. a worm; 9. a moving block; 10. an extension spring; 11. a travel bar; 12. a cutter; 13. a groove; 14. a slider; 15. a compression spring; 16. a sloping block; 17. a clamping block; 18. a threaded sleeve; 19. rotating the working table; 20. a top plate; 21. a cylinder; 22. a distribution box; 23. a limiting block; 24. a thread groove; 25. a threaded rod; 26. a U-shaped block; 27. positioning a groove; 28. and (5) positioning the blocks.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural view of a first embodiment of a gear hobbing machine knife rest angle adjusting mechanism provided by the present invention; FIG. 2 is a schematic structural view of the sleeve shown in FIG. 1; fig. 3 is a partially enlarged view of a shown in fig. 2. The angle adjusting mechanism of the cutter frame of the gear hobbing machine comprises a base 1, wherein a supporting plate 2 is fixedly connected to the top of the base 1, a sliding plate 3 is slidably connected to the left side of the supporting plate 2, a fixed plate 4 is fixedly connected to the bottom of the sliding plate 3, a sleeve 5 is rotatably connected to the inside of the fixed plate 4, a worm wheel 6 is fixedly connected to the outer surface of the sleeve 5, a driving motor 7 is fixedly connected to the top of the sliding plate 3, a worm 8 is fixedly connected to an output shaft of the driving motor 7, a moving block 9 is slidably connected to the inside of the sleeve 5, a tension spring 10 is arranged between the right side of the moving block 9 and the inner wall of the sleeve 5, a moving rod 11 is fixedly connected to the left side of the moving block 9, a cutter 12 is arranged at the other end of the moving rod 11, two grooves 13 are formed in the outer surface of the sleeve 5, and sliding blocks 14 are slidably connected to the insides of the two grooves 13, a compression spring 15 is arranged between the sliding block 14 and the groove 13, an inclined block 16 is fixedly connected to the other side of the sliding block 14, a clamping block 17 is fixedly connected to one side, opposite to the inclined block 16, of each inclined block, and a threaded sleeve 18 is connected to the outer surface of the sleeve 5 in a threaded mode.

The outer surface of the worm wheel 6 meshes with the outer surface of the worm 8.

The top of the base 1 is provided with a rotary workbench 19, the top of the supporting plate 2 is fixedly connected with a top plate 20, the bottom of the top plate 20 is fixedly connected with an air cylinder 21, and the bottom end of the air cylinder 21 is fixed on the top of the sliding plate 3.

The gear workpiece to be processed can be placed through the arrangement of the rotary workbench 19, the rotary workbench 19 can rotate through clamping of the workbench with a clamp, the sliding plate 3 can be driven to move downwards through the arrangement of the air cylinder 21, and the cutter 12 is indirectly driven to move downwards for processing.

The right side of the base 1 is fixedly connected with a distribution box 22.

The distribution box 22 is arranged to stop and transmit power to the electric equipment.

The utility model provides a gear hobbing machine knife rest angular adjustment mechanism's theory of operation as follows:

hand-operated pulling cutter 12 makes cutter 12 remove to the left, thereby make movable rod 11 extend, drive movable block 9 remove to the left, thereby make extension spring 10 tensile, after conflicting the gear that waits to process on cutter 12 right side, release cutter 12, extension spring 10 resets owing to the elastic force this moment, drive movable block 9 remove to the right, thereby make movable rod 11 remove to the right, make cutter 12 conflict on the surface of gear, subsequently through manual rotatory thread bush 18, make thread bush 18 remove to the left, thereby make two sloping 16 relative movements of sloping through two sloping 16, thereby make two fixture blocks 17 relative movement, it is fixed to press from both sides movable rod 11 clamp, it is rotatory to drive worm 8 along with the rotation of driving motor 7, thereby make worm wheel 6 rotatory drive sleeve 5 rotatory, indirectly make cutter 12 rotatory to process the gear.

make cutter 12 remove through manual pulling cutter 12, indirectly pull extension spring 10, extension spring 10 kick-backs afterwards and contradict cutter 12 at the surface of gear, make two sloping blocks 16 relative movement through rotatory thread bush 18, it is fixed with carriage release lever 11, thereby fix cutter 12, driving motor 7 starts the rotatory gear of the rotatory pair of indirect drive cutter 12 of back, be convenient for carry out the range modulation to the range of processing of cutter 12, can carry out adaptability adjustment according to the specification of gear, cutter 12 can once only contradict the surface of waiting to process the gear, it is high to adjust the precision, it is more convenient to operate.

Second embodiment

Referring to fig. 4, a second embodiment of the present application provides another gear hobbing machine cutter frame angle adjustment mechanism based on the gear hobbing machine cutter frame angle adjustment mechanism provided in the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

Specifically, the difference that gear hobbing machine gear rack angle adjustment mechanism that the second embodiment of this application provided lies in, the fixed surface of carriage bar 11 is connected with stopper 23, cutter 12 cover is located the surface of carriage bar 11, thread groove 24 has been seted up to the left end of carriage bar 11, the internal thread of thread groove 24 is connected with threaded rod 25, the left end fixedly connected with U type piece 26 of threaded rod 25.

A plurality of positioning grooves 27 are formed in the inner surface of the cutter 12, and a plurality of positioning blocks 28 are fixedly connected to the outer surface of the moving rod 11.

Through the cooperation of the positioning groove 27 and the positioning block 28, the cutter 12 and the movable rod 11 cannot rotate, and the cutter 12 cannot slip during processing.

The positioning slot 27 is matched with the positioning block 28.

make threaded rod 25 rotatory through manual rotation U type piece 26, take place the separation with thread groove 24, thereby take off U type piece 26, no longer produce the restriction to cutter 12, can take off cutter 12 left, thereby be convenient for dismantle cutter 12, can change cutter 12 fast, overlap cutter 12 right behind the carriage release lever 11 surface again, promote cutter 12 and contradict to stopper 23 on, the inside with threaded rod 25 screw in thread groove 24 afterwards, make U type piece 26 contradict to cutter 12 left side, fix cutter 12, when being convenient for the installation of cutter 12, cutter 12 can not take place not hard up yet.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a gear hobbing machine knife rest angle adjustment mechanism, includes base (1), its characterized in that: the top of the base (1) is fixedly connected with a support plate (2), the left side of the support plate (2) is connected with a sliding plate (3) in a sliding manner, the bottom of the sliding plate (3) is fixedly connected with a fixed plate (4), the inside of the fixed plate (4) is connected with a sleeve (5) in a rotating manner, the outer surface of the sleeve (5) is fixedly connected with a worm wheel (6), the top of the sliding plate (3) is fixedly connected with a driving motor (7), the output shaft of the driving motor (7) is fixedly connected with a worm (8), the inside of the sleeve (5) is connected with a movable block (9) in a sliding manner, a tension spring (10) is arranged between the right side of the movable block (9) and the inner wall of the sleeve (5), the left side of the movable block (9) is fixedly connected with a movable rod (11), and the other end of the movable rod (11) is provided with a cutter (12), the surface of sleeve (5) is provided with two recess (13), two the inside sliding connection of recess (13) has sliding block (14), sliding block (14) with be provided with compression spring (15) between recess (13), opposite side fixedly connected with sloping block (16) of sliding block (14), two equal fixedly connected with fixture block (17) in the relative one side of sloping block (16), the surface threaded connection of sleeve (5) has thread bush (18).

2. The gear hobbing machine hob angle adjustment mechanism according to claim 1, characterized in that the outer surface of the worm wheel (6) meshes with the outer surface of the worm (8).

3. The mechanism of claim 1, wherein the top of the base (1) is provided with a rotary table (19), the top of the supporting plate (2) is fixedly connected with a top plate (20), the bottom of the top plate (20) is fixedly connected with a cylinder (21), and the bottom end of the cylinder (21) is fixed on the top of the sliding plate (3).

4. The mechanism of claim 1, wherein a power distribution box (22) is fixedly attached to the right side of the base (1).

5. The angle adjusting mechanism of the cutter frame of the gear hobbing machine of claim 1, characterized in that a limiting block (23) is fixedly connected to the outer surface of the moving rod (11), the cutter (12) is sleeved on the outer surface of the moving rod (11), a threaded groove (24) is formed in the left end of the moving rod (11), a threaded rod (25) is connected to the inner thread of the threaded groove (24), and a U-shaped block (26) is fixedly connected to the left end of the threaded rod (25).

6. The mechanism of claim 5, wherein the cutter (12) has a plurality of positioning grooves (27) formed on an inner surface thereof, and a plurality of positioning blocks (28) are fixedly attached to an outer surface of the movable rod (11).

7. The gear hobbing machine knife rest angle adjustment mechanism of claim 6, characterized in that the positioning slot (27) is fitted with the positioning block (28).