CN214322076U

CN214322076U - Efficiency of is improved gear hobbing device

Info

Publication number: CN214322076U
Application number: CN202120350295.0U
Authority: CN
Inventors: 阚世伟; 宋征
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: 2021-10-01
Anticipated expiration: 2031-02-07

Abstract

The application relates to a gear hobbing device capable of improving efficiency, which belongs to the field of hobbing machines and comprises a lifting assembly, a driving assembly and a hobbing assembly, wherein the hobbing assembly is connected with the driving assembly, and the driving assembly is connected with the lifting assembly; the hobbing assembly comprises a rotating roller and a plurality of hobbing, the rotating roller is connected with the driving assembly, a plurality of T-shaped grooves are formed in the rotating roller along the length direction, T-shaped strips are arranged in the T-shaped grooves, a plurality of connecting grooves are formed in the T-shaped strips, the hobbing is detachably connected with the T-shaped strips, the hobbing is located in the connecting grooves, and the gear is machined by the hobbing. The method has the advantages that the hobbing is conveniently replaced, the step of replacing the hobbing and the rotating roller is omitted, the replacement time is saved, and the working efficiency is improved.

Description

Efficiency of is improved gear hobbing device

Technical Field

The application relates to the field of gear hobbing machines, in particular to a gear hobbing device capable of improving efficiency.

Background

The hobbing cutter is used as a cutter for machining gears, can cut straight teeth, helical teeth and cylindrical gears on a hobbing machine, can also machine worm gears, chain wheels and the like, and is widely applied to gear machining machines.

The chinese utility model patent application with the current publication number CN204159981U discloses a brazed hobbing cutter, which comprises a body, the body comprises a carrier, a plurality of supporting parts processed and formed on the outer peripheral surface of the carrier and presenting a grid arrangement and having a leaning surface, and a plurality of grooves processed and formed under the carrier, each supporting part has a blade back, and two adjacent surfaces respectively located at two sides of the blade back, a chip groove is processed and formed between the outer end of each groove and the tail end of the blade back, and a first sinking area is arranged at the bottom between the two adjacent supporting parts; and each cutting blade is respectively arranged in the groove, fixed with the body after being subjected to conventional hard welding, and subjected to a heat treatment procedure for stress relief, wherein the cutting blade is provided with a first protruding part and a second protruding part, the bottom between two adjacent second protruding parts is processed to form a second trap area, and the second trap area is higher than the first trap area.

In view of the above-mentioned related technologies, the inventor believes that the hobbing on the hobbing cutter is easily damaged during the machining process of the hobbing machine, and the damaged hobbing needs to be replaced together with the hobbing cutter, resulting in low machining efficiency of the hobbing machine.

SUMMERY OF THE UTILITY MODEL

In order to conveniently replace damaged hobbing on the hobbing cutter and improve the machining efficiency of a hobbing machine, the application provides a gear hobbing device with improved efficiency.

The application provides a gear hobbing device for improving efficiency adopts following technical scheme:

a gear hobbing device capable of improving efficiency comprises a rack, a lifting assembly, a driving assembly and a hobbing assembly, wherein the lifting assembly is connected with the rack;

the hobbing subassembly includes live-rollers and a plurality of hobbing, the live-rollers is connected with drive assembly, a plurality of T type grooves have been seted up along length direction to the live-rollers, be provided with T section bar in the T type groove, a plurality of spread grooves have been seted up on the T section bar, the hobbing can be dismantled with T section bar and be connected, the hobbing is located the spread groove, the hobbing is processed the gear.

Through adopting above-mentioned technical scheme, go up and down to drive assembly reciprocating lift and move, drive assembly drive live-rollers rotates, the live-rollers drives the hobbing and rotates, the hobbing carries out processing to the gear, when the hobbing takes place to damage, take T section bar out from T type groove, take out the hobbing from the spread groove on the T section bar again to the convenient change to the hobbing, saved the step of changing hobbing and live-rollers, saved the change time, improved work efficiency.

Optionally, a fixing bolt is connected to the T-shaped bar in a threaded manner, and the fixing bolt penetrates through the hobbing and is connected with the hobbing in a threaded manner.

Through adopting above-mentioned technical scheme, rotate fixing bolt and conveniently take out the hobbing from T type strip to the convenience is to the change of the teeth of a cogwheel.

Optionally, a plurality of circular grooves are formed in the T-shaped strip, and nuts for fixing the bolts are disposed in the circular grooves.

Through adopting above-mentioned technical scheme, arrange fixing bolt's nut in circular recess, reduce the friction between fixing bolt's nut and the live-rollers inner wall.

Optionally, both ends of the rotating roller are in threaded connection with a plurality of connecting bolts, and the connecting bolts are in threaded connection with the T-shaped strips.

Through adopting above-mentioned technical scheme, rotate connecting bolt for connecting bolt wears to locate in the T section bar, thereby fixes T section bar, improves the holistic stability of device.

Optionally, the drive assembly includes fixed plate and driving motor, the fixed plate is connected with lifting unit, driving motor fixed connection is on the fixed plate, the equal coaxial fixedly connected with connecting rod in both ends of live-rollers, one the one end that the live-rollers were kept away from to the connecting rod is connected with driving motor's output shaft, another the one end that the live-rollers was kept away from to the connecting rod is rotated and is connected with the fixed block, the fixed block can be dismantled with the fixed plate and be connected.

Through adopting above-mentioned technical scheme, driving motor's output shaft drives the connecting rod and rotates, and the live-rollers drives the gear hobbing and carries out processing to the gear.

Optionally, the coaxial fixedly connected with connecting block of driving motor's output shaft, the draw-in groove has been seted up on the connecting block, the draw-in groove on the connecting block is arranged in to the connecting rod, threaded connection has the joint bolt on the connecting block, the joint bolt passes the connecting rod.

Through adopting above-mentioned technical scheme, rotate the joint bolt to the convenience is fixed the connecting rod and is dismantled the rotor.

Optionally, the fixed block is fixedly connected with a connecting plate, the connecting plate is in threaded connection with a plug bolt, the plug bolt penetrates through the fixed plate, and the plug bolt is in threaded connection with the fixed plate.

Through adopting above-mentioned technical scheme, rotate the grafting bolt to the convenience is fixed the connecting rod and is dismantled the rotor.

Optionally, the lifting assembly includes a rotating motor and a supporting block, the supporting block is fixedly connected with the frame, the rotating motor is fixed on the supporting block, an output shaft of the rotating motor passes through the supporting block, an output shaft of the rotating motor is fixedly connected with a first lifting rod, one end of the first lifting rod, which is far away from the output shaft of the rotating motor, is rotatably connected with a second lifting rod, the second lifting rod is far away from the first lifting rod and is rotatably connected with the fixed plate, a guide groove is formed in the supporting block, a guide block is fixedly connected to the fixed plate, and the guide block is arranged in the guide groove.

Through adopting above-mentioned technical scheme, start the rotation motor, the output shaft that rotates the motor drives first lifter and rotates, first lifter drives the removal of second lifter, and the second lifter drives the fixed plate and goes up and down.

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

1. according to the embodiment of the application, the T-shaped strips, the connecting bolts and the fixing bolts are arranged, when the hobbing is damaged, the connecting bolts are rotated to draw the T-shaped strips out of the rotating roller, and the fixing bolts are rotated to take the hobbing out of the connecting grooves, so that the hobbing is convenient to replace, the step of the rotating roller is omitted, the replacing time is saved, and the working efficiency is improved;

2. this application embodiment is through having set up rotation motor, first lifter and second lifter, and the output shaft that rotates the motor drives first lifter and rotates, and first lifter drives the removal of second lifter, and the second lifter drives the fixed plate and goes up and down to make the gear hobbing process out straight gear.

Drawings

Fig. 1 is a schematic structural view of a gear hobbing apparatus for improving efficiency according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a drive assembly in an enhanced-efficiency gear hobbing apparatus according to an embodiment of the present application.

Fig. 3 is a schematic view illustrating a connection relationship between a gear hobbing and a T-bar in the gear hobbing apparatus for improving efficiency according to the embodiment of the present application.

Description of reference numerals: 1. a frame; 2. a lifting assembly; 21. rotating the motor; 22. a support block; 23. a first lifting rod; 24. a second lifting rod; 25. a guide groove; 3. a drive assembly; 31. a fixing plate; 32. a guide block; 33. a drive motor; 34. a connecting rod; 35. a fixed block; 36. a connecting plate; 37. inserting bolts; 38. connecting blocks; 39. clamping a bolt; 4. a hobbing assembly; 41. a rotating roller; 42. hobbing; 43. a T-shaped groove; 44. t-shaped strips; 45. connecting grooves; 46. fixing the bolt; 47. a circular groove; 48. and connecting the bolts.

Detailed Description

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

The embodiment of the application discloses a gear hobbing device capable of improving efficiency. Referring to fig. 1, the gear hobbing apparatus for improving efficiency includes a frame 1, a lifting assembly 2, a driving assembly 3, and a hobbing assembly 4. The gear hobbing assembly 4 is connected with the driving assembly 3, the driving assembly 3 is connected with the lifting assembly 2, and the lifting assembly 2 is connected with the rack 1. The lifting mechanism drives the driving component 3 and the hobbing component 4 to reciprocate, and the driving component 3 drives the hobbing component 4 to process the gear.

Referring to fig. 1 and 2, the elevation assembly 2 includes a rotation motor 21 and a support block 22. The supporting block 22 is welded to the frame 1, and the rotating motor 21 is fixed to the supporting block 22 by bolts. An output shaft of the rotating motor 21 penetrates through the supporting block 22, the output shaft of the rotating motor 21 is rotatably connected with a first lifting rod 23 through a bearing, and one end, far away from the output shaft of the rotating motor 21, of the first lifting rod 23 is rotatably connected with a second lifting rod 24 through a bearing. The second lifting rod 24 is connected to the driving assembly 3 away from the first lifting rod 23. The rotating motor 21 is started, the output shaft of the rotating motor 21 drives the first lifting rod 23 to rotate, the first lifting rod 23 drives the second lifting rod 24 to move, and the second lifting rod 24 drives the driving component 3 to lift.

Referring to fig. 2 and 3, the hobbing assembly 4 comprises a rotating roller 41 and a plurality of hobs 42. The rotating roller 41 is connected with the driving assembly 3, and a plurality of T-shaped grooves 43 are formed in the rotating roller 41 along the length direction. A T-shaped strip 44 is arranged in the T-shaped groove 43, a plurality of connecting grooves 45 are formed in the T-shaped strip 44, the hobbing 42 is detachably connected with the T-shaped strip 44, the hobbing 42 is located in the connecting grooves 45, and the hobbing 42 processes the gear. Lifting unit 2 drives drive assembly 3 reciprocating lifting movement, and drive assembly 3 drive live-rollers 41 rotates, and live-rollers 41 drives hobbing 42 and rotates, and hobbing 42 carries out processing to the gear, when hobbing 42 takes place to damage, takes T section bar 44 out from T type groove 43, takes out hobbing 42 from the spread groove 45 on T section bar 44 again to the convenient change to hobbing 42.

Referring to fig. 3, a plurality of fixing bolts 46 are connected to the T-shaped strip 44 in a threaded manner, a plurality of circular grooves 47 are formed in the T-shaped strip 44, and nuts of the fixing bolts 46 are disposed in the circular grooves 47. The fixing bolt 46 passes through the hobbing 42 and is threadedly connected with the hobbing 42. Turning the fixing bolt 46 facilitates removal of the hob 42 from the T-bar 44 and thus facilitates replacement of the gear teeth. While the circular groove 47 reduces friction between the nut of the fixing bolt 46 and the inner wall of the rotating roller 41.

Referring to fig. 2 and 3, a plurality of coupling bolts 48 are threadedly coupled to both ends of the rotating roller 41, and the coupling bolts 48 are threadedly coupled to the T-bars 44. The connecting bolt 48 is rotated to enable the connecting bolt 48 to penetrate through the T-shaped strip 44, so that the T-shaped strip 44 is fixed, and the overall stability of the device is improved.

Referring to fig. 2 and 3, the driving assembly 3 includes a fixing plate 31 and a driving motor 33. Two guide grooves 25 are formed in the supporting block 22, two guide blocks 32 are welded to the fixing plate 31, and the guide blocks 32 are arranged in the guide grooves 25. The driving motor 33 is fixedly connected to the fixing plate 31 through a bolt, the two ends of the rotating roller 41 are coaxially and fixedly connected with a connecting rod 34, and one end of the connecting rod 34 far away from the rotating roller 41 is connected with an output shaft of the driving motor 33. One end of the other connecting rod 34, which is far away from the rotating roller 41, is rotatably connected with a fixed block 35, a connecting plate 36 is fixedly connected to the fixed block 35, a plug bolt 37 is connected to the connecting plate 36 in a threaded manner, the plug bolt 37 is arranged in the fixed plate 31 in a penetrating manner, and the plug bolt 37 is connected to the fixed plate 31 in a threaded manner. The bayonet bolt 37 is rotated to facilitate fixing of the connecting rod 34 and removal of the rotating roller 41. The output shaft of the driving motor 33 drives the connecting rod 34 to rotate, and the rotating roller 41 drives the gear hobbing 42 to process the gear.

Referring to fig. 2, an output shaft of the driving motor 33 is coaxially and fixedly connected with a connecting block 38, a clamping groove is formed in the connecting block 38, the connecting rod 34 is arranged in the clamping groove in the connecting block 38, a clamping bolt 39 is in threaded connection with the connecting block 38, and the clamping bolt 39 is in threaded connection with the connecting rod 34. The clinch bolt 39 is turned to facilitate fixing of the connecting rod 34 and removal of the rotating roller 41.

The implementation principle of the gear hobbing device for improving the efficiency of the embodiment of the application is as follows: the driving motor 33 and the rotating motor 21 are started, the output shaft of the rotating motor 21 drives the first lifting rod 23 to rotate, the first lifting rod 23 drives the second lifting rod 24 to move, and the second lifting rod 24 drives the fixing plate 31 to lift.

An output shaft of the driving motor 33 drives the rotating roller 41 to rotate through the connecting rod 34, and the hobbing 42 on the rotating roller 41 processes the gear.

When the hobbing 42 is damaged, the connecting bolt 48 is rotated to draw the T-shaped strip 44 out of the rotating roller 41, and the fixing bolt 46 is rotated to take the hobbing 42 out of the connecting groove 45, so that the hobbing 42 is convenient to replace, the step of replacing the hobbing 42 and the rotating roller 41 is omitted, the replacing time is saved, and the working efficiency is improved.

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. A gear hobbing device for improving efficiency is characterized in that: the lifting mechanism comprises a rack (1), a lifting assembly (2), a driving assembly (3) and a hobbing assembly (4), wherein the lifting assembly (2) is connected with the rack (1), the hobbing assembly (4) is connected with the driving assembly (3), and the driving assembly (3) is connected with the lifting assembly (2);

hobbing subassembly (4) are including rotating roller (41) and a plurality of gear hobbing (42), rotating roller (41) are connected with drive assembly (3), a plurality of T type groove (43) have been seted up along length direction in rotating roller (41), be provided with T section bar (44) in T type groove (43), a plurality of spread groove (45) have been seted up on T section bar (44), gear hobbing (42) can be dismantled with T section bar (44) and be connected, gear hobbing (42) are arranged in spread groove (45), gear hobbing (42) are processed the gear.

2. An improved efficiency gear hobbing apparatus as claimed in claim 1, wherein: and a fixing bolt (46) is connected to the T-shaped strip (44) in a threaded manner, and the fixing bolt (46) penetrates through the hobbing (42) and is in threaded connection with the hobbing (42).

3. An improved efficiency gear hobbing apparatus as claimed in claim 2, wherein: a plurality of circular grooves (47) are formed in the T-shaped strips (44), and nuts of the fixing bolts (46) are arranged in the circular grooves (47).

4. An improved efficiency gear hobbing apparatus as claimed in claim 3, wherein: both ends of the rotating roller (41) are in threaded connection with a plurality of connecting bolts (48), and the connecting bolts (48) are in threaded connection with the T-shaped strips (44).

5. An improved efficiency gear hobbing apparatus as claimed in claim 4, wherein: drive assembly (3) are including fixed plate (31) and driving motor (33), fixed plate (31) are connected with lifting unit (2), driving motor (33) fixed connection is on fixed plate (31), the equal coaxial fixedly connected with connecting rod (34) in both ends of live-rollers (41), one the one end of live-rollers (41) and the output shaft of driving motor (33), another are kept away from in connecting rod (34) one end of live-rollers (41) is rotated and is connected with fixed block (35) in connecting rod (34), fixed block (35) can be dismantled with fixed plate (31) and be connected.

6. An improved efficiency gear hobbing apparatus as claimed in claim 5, wherein: the coaxial fixedly connected with connecting block (38) of output shaft of driving motor (33), the draw-in groove has been seted up on connecting block (38), connecting rod (34) are arranged in the draw-in groove on connecting block (38), threaded connection has joint bolt (39) on connecting block (38), joint bolt (39) pass connecting rod (34).

7. An improved efficiency gear hobbing apparatus as claimed in claim 6, wherein: fixedly connected with connecting plate (36) on fixed block (35), threaded connection has plug bolt (37) on connecting plate (36), plug bolt (37) wear to locate in fixed plate (31), plug bolt (37) and fixed plate (31) threaded connection.

8. An improved efficiency gear hobbing apparatus as claimed in claim 7, wherein: the lifting component (2) comprises a rotating motor (21) and a supporting block (22), the supporting block (22) is fixedly connected with the rack (1), the rotating motor (21) is fixed on the supporting block (22), an output shaft of the rotating motor (21) penetrates through the supporting block (22), an output shaft of the rotating motor (21) is fixedly connected with a first lifting rod (23), one end, far away from an output shaft of the rotating motor (21), of the first lifting rod (23) is rotatably connected with a second lifting rod (24), the second lifting rod (24) is far away from the first lifting rod (23) and is rotatably connected with a fixing plate (31), a guide groove (25) is formed in the supporting block (22), a guide block (32) is fixedly connected onto the fixing plate (31), and the guide block (32) is arranged in the guide groove (25).