CN220782492U - Tool for reducing tooth scraping deformation of thin-wall gear ring - Google Patents

Abstract

The application relates to a tool for reducing tooth scraping deformation of a thin-wall gear ring, and belongs to the field of gear ring production and processing technologies. The clamping device comprises a chuck, a plurality of clamping jaws arranged on the chuck, an inclusion claw, a fixing block and a fixing assembly, wherein the inclusion claw is a rectangular block body attached to the outer edge of a gear ring and is fixedly arranged on the fixing block, and the fixing block is detachably arranged on the clamping jaws through the fixing assembly. The clamping force is too big when this application can improve the ring gear processing leads to the problem that the ring gear is liable to take place to warp.

Description

Tool for reducing tooth scraping deformation of thin-wall gear ring

Technical Field

The application relates to the field of gear ring production and processing technologies, in particular to a tool for reducing tooth scraping deformation of a thin-wall gear ring.

Background

The gear ring is also called an inner cylindrical gear, plays an important role in mechanical equipment, and has the functions of transmitting power, adjusting rotating speed, increasing torque and the like. The gear ring machining process generally comprises the procedures of blanking, machining, gear turning, chamfering, deburring, washing, punching and induction quenching.

In the gear turning process, a three-jaw or six-jaw chuck is generally used as a clamping fixture for gear ring. And because the workbench of the gear turning machine has higher rotating speed and the cutter rest has higher feeding speed in the processing process, a larger clamping force needs to be applied to the gear ring to prevent the gear ring from being displaced in the processing process so as to avoid scrapping.

And when the clamping force applied to the gear ring is too large, the gear ring is easy to deform, the gear precision is possibly directly unqualified, and the product quality is seriously affected.

Disclosure of Invention

In order to solve the problem that the gear ring is easy to deform due to overlarge clamping force during gear ring machining, the application provides a tool for reducing the deformation of the scraping teeth of the thin-wall gear ring.

The application provides a reduce frock of thin wall ring gear and scrape tooth deformation adopts following technical scheme:

the utility model provides a reduce frock that tooth warp is scraped to thin wall ring gear, includes chuck and a plurality of jack catch of setting on the chuck, still includes inclusion claw, fixed block and fixed subassembly, the inclusion claw is the rectangle block of inboard and the laminating of ring gear outer fringe, the fixed setting of inclusion claw is on the fixed block, the fixed block can dismantle the setting on the jack catch through fixed subassembly.

Optionally, the inclusion claw is arranged in a chamfer.

Optionally, an arc hole is formed in the inner side of the arc surface of the inclusion claw along the vertical direction.

Optionally, vertically be provided with on the chuck and remove subassembly and many spinal branch vaulting poles, the top and the laminating of ring gear lower surface of bracing piece, remove the subassembly setting on the chuck and be connected with the bracing piece, remove the subassembly and be used for driving the radial movement of bracing piece along the chuck.

Optionally, the moving assembly comprises a sliding block, a plurality of sliding grooves are formed in the surface of the chuck along the radial direction, the sliding block is arranged in the sliding grooves in a sliding manner, and the supporting rod is vertically and fixedly arranged on the sliding block.

Optionally, the fixed subassembly includes the inserted block, the jack catch upper surface interval is equipped with a plurality of slots, the lower surface of fixed block is provided with the inserted block of slot adaptation.

Optionally, the fixed subassembly includes fixing bolt and pinion rack, the jack catch upper surface both sides have all been seted up with fixed block lower surface both sides the pinion rack, fixing bolt is vertically worn to establish downwards to be connected with the jack catch behind the fixed block, the interval is equipped with a plurality of screw holes that supply fixing bolt to wear to establish on the jack catch.

Optionally, the fixing bolt is countersunk.

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

1. in the gear turning process, the gear ring is clamped through the inclusion claw, the clamping contact area between the arc inclusion surface of the inclusion claw and the gear ring is large, the pressure intensity received by the gear ring is smaller under the condition of using the clamping force of the same size, the deformation generated by the gear ring is smaller, and the problem that the gear ring is easy to deform due to overlarge clamping force during gear ring processing is solved.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present application.

Fig. 2 is a schematic view for showing the structure of the fixing member in embodiment 1 of the present application.

Fig. 3 is a schematic view for showing the structure of the fixing member in embodiment 2 of the present application.

Reference numerals illustrate:

1. a chuck; 11. a chute; 2. a claw; 21. a slot; 22. a threaded hole; 3. clathrating claws; 31. an arc-shaped hole; 32. a fixed block; 4. a fixing assembly; 41. inserting blocks; 42. a fixing bolt; 43. a toothed plate; 5. a support rod; 6. a moving assembly; 61. a sliding block.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

Example 1:

the embodiment 1 of the application discloses a reduce frock that thin wall ring gear scraped tooth and warp, refer to fig. 1, a reduce frock that thin wall ring gear scraped tooth warp includes chuck 1 and sets up a plurality of jack catchs 2 on chuck 1. The chuck 1 is a commercially available device, and the number of the claws 2 on the chuck 1 can be three claws, six claws or other numbers according to the actual use requirement, in this embodiment, the chuck 1 is a three-claw chuck, and in other embodiments, the chuck 1 can also be a six-claw chuck. The fixture further comprises an inclusion claw 3, a fixed block 32 and a fixed assembly 4, wherein the inclusion claw 3 is a rectangular long block, and one side of the inclusion claw 3, which faces the center of the chuck 1, is arranged in an arc surface and is attached to the outer edge of the gear ring. Both ends of the inclusion claw 3 deviate from the side of the gear ring and are all chamfered, so that the overall quality of the inclusion claw 3 is reduced, and the cost is further reduced. The fixed block 32 is rectangular block, the inclusion claw 3 is fixedly connected with the fixed block 32, the fixed assembly 4 is arranged on the fixed block 32, and the fixed block 32 is detachably connected with the claw 2 through the fixed assembly 4. The arc hole 31 has still been seted up along vertical direction in the inboard of inclusion claw 3, and the setting in arc hole 31 is convenient for operating personnel remove installation inclusion claw 3, takes the installation to inclusion claw 3 through arc hole 31 department, avoids contacting the arc inclusion face of inclusion claw 3 and polluting the inclusion face, influences follow-up inclusion effect to the ring gear.

In the gear turning machining process, the gear ring is clamped through the inclusion claw 3, the clamping contact area between the arc inclusion surface of the inclusion claw 3 and the gear ring is large, the pressure intensity received by the gear ring is smaller under the condition of using the clamping force with the same size, the deformation generated by the gear ring is smaller, and the problem that the gear ring is easy to deform due to overlarge clamping force during gear ring machining is solved.

Referring to fig. 1, a supporting rod 5 is installed on a chuck 1 and located between two adjacent clamping jaws 2, the top end of the supporting rod 5 is attached to the lower surface of a gear ring, the supporting rod 5 supports the gear ring, and the problem that deformation of the gear ring is easy to occur in the machining process due to too large intervals between the clamping jaws 2 and too long unsupported sections of the gear ring when the diameter of the gear ring is too large is avoided. The chuck 1 is further provided with a moving assembly 6, the moving assembly 6 is connected with the supporting rod 5, the moving assembly 6 is used for driving the supporting rod 5 to move along the radial direction of the chuck 1, and the position of the supporting rod 5 is adjusted through the moving assembly 6, so that the supporting rod 5 can support gear rings with different sizes. The moving assembly 6 comprises a sliding block 61, a plurality of sliding grooves 11 are formed in the upper surface of the chuck 1 along the radial direction of the chuck 1, the sliding block 61 is arranged in the sliding grooves 11 in a sliding mode, the sectional shapes of the sliding block 61 and the sliding grooves 11 are T-shaped, and the supporting rod 5 is vertically and fixedly arranged on the sliding block 61.

When the gear rings with different sizes are supported, the sliding block 61 is pushed to move along the length direction of the sliding groove 11, so that the distance between the supporting rod 5 and the axis of the chuck 1 is adjusted, and the supporting rod 5 can be suitable for the gear rings with different sizes.

Referring to fig. 1 and 2, the fixing assembly 4 includes an insert 41, the insert 41 is fixedly connected to the lower surface of the inclusion jaw 3, the length direction of the insert 41 is perpendicular to the diameter direction of the chuck 1, and a slot 21 adapted to the insert 41 is formed in the jaw 2. When the inclusion claw 3 is installed, the inclusion claw 3 is inserted into the claw 2 through the insertion block 41 in a clamping way, so that the operation is simple, and the installation and the disassembly are convenient.

The implementation principle of the tool for reducing the tooth scraping deformation of the thin-wall gear ring in the embodiment 1 of the application is as follows: in the gear ring turning machining process, the plurality of inclusion claws 3 are driven to be close to each other simultaneously, the gear ring is clamped, the arc inclusion surface of the inclusion claws 3 is large in clamping contact area with the gear ring, the pressure intensity received by the gear ring is smaller under the condition of using the clamping force of the same size, the deformation generated by the gear ring is smaller, and the problem that the gear ring is easy to deform due to overlarge clamping force during gear ring machining is solved.

Example 2:

referring to fig. 3, the fixing assembly 4 includes a fixing bolt 42 and a toothed plate 43, the toothed plate 43 is disposed on the upper surface of the claw 2 and the lower surface of the fixing block 32, the toothed plate 43 is disposed on two sides of the upper surface of the claw 2, and the fixing bolt 42 penetrates through the fixing block 32 and is connected with the claw 2. A plurality of screw holes 22 are provided at the center of the upper surface of the jaws 2 at intervals in the radial direction of the chuck 1, and fixing bolts 42 are screw-threaded into the screw holes 22. The head of the fixing bolt 42 is arranged on the fixing block 32 in a countersunk manner, so that the fixing bolt 42 is prevented from protruding out of the upper surface of the inclusion claw 3, and the appearance of the device is attractive. Through adjusting the connection between fixing bolt 42 and the different screw holes 22 to adjust the mounted position of fixed block 32 on jack catch 2, and through pinion rack 43 joint, avoid inclusion claw 3 to take place to rotate in the course of the work between fixed block 32 and the jack catch 2, reach the effect of being convenient for install inclusion claw 3 to the fixed plate.

Finally, it should be noted that: in the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and for simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a reduce frock that thin wall ring gear scraped tooth and warp, includes chuck (1) and sets up a plurality of jack catchs (2) on chuck (1), its characterized in that: still include inclusion claw (3), fixed block (32) and fixed subassembly (4), inclusion claw (3) are the rectangle block of inboard and ring gear outer fringe laminating, inclusion claw (3) are fixed to be set up on fixed block (32), fixed block (32) can dismantle through fixed subassembly (4) and set up on jack catch (2).

2. The tooling for reducing the tooth scraping deformation of the thin-walled gear ring according to claim 1, wherein: the inclusion claw (3) is arranged in a chamfering way.

3. The tooling for reducing the tooth scraping deformation of the thin-walled gear ring according to claim 1, wherein: an arc hole (31) is formed in the inner side of the cambered surface of the inclusion claw (3) along the vertical direction.

4. The tooling for reducing the tooth scraping deformation of the thin-walled gear ring according to claim 1, wherein: the chuck is characterized in that a moving assembly (6) and a plurality of supporting rods (5) are vertically arranged on the chuck (1), the top ends of the supporting rods (5) are attached to the lower surface of the gear ring, the moving assembly (6) is arranged on the chuck (1) and connected with the supporting rods (5), and the moving assembly (6) is used for driving the supporting rods (5) to move along the radial direction of the chuck (1).

5. The tooling for reducing the tooth scraping deformation of the thin-walled gear ring according to claim 4, wherein: the moving assembly (6) comprises a sliding block (61), a plurality of sliding grooves (11) are formed in the surface of the chuck (1) along the radial direction, the sliding block (61) is arranged in the sliding grooves (11) in a sliding mode, and the supporting rod (5) is vertically and fixedly arranged on the sliding block (61).

6. The tooling for reducing the tooth scraping deformation of the thin-walled gear ring according to claim 1, wherein: the fixed assembly (4) comprises inserting blocks (41), a plurality of inserting grooves (21) are formed in the upper surface of the clamping jaw (2) at intervals, and inserting blocks (41) matched with the inserting grooves (21) are arranged on the lower surface of the fixed block (32).

7. The tooling for reducing the tooth scraping deformation of the thin-walled gear ring according to claim 1, wherein: the fixing assembly (4) comprises fixing bolts (42) and toothed plates (43), the toothed plates (43) are respectively arranged on two sides of the upper surface of the clamping jaw (2) and two sides of the lower surface of the fixing block (32), the fixing bolts (42) vertically penetrate through the fixing block (32) downwards and then are connected with the clamping jaw (2), and a plurality of threaded holes (22) for the fixing bolts (42) to penetrate through are formed in the clamping jaw (2) at intervals.

8. The tooling for reducing tooth scraping deformation of the thin-walled gear ring of claim 7, wherein: the fixing bolt (42) is arranged at the countersunk head.