CN215509989U

CN215509989U - Inner hole key groove cutting centering device for machining taper hole gear

Info

Publication number: CN215509989U
Application number: CN202121330224.0U
Authority: CN
Inventors: 李惠民
Original assignee: Xi'an Huixin Gear Co ltd
Current assignee: Xi'an Huixin Gear Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2022-01-14
Anticipated expiration: 2031-06-16

Abstract

The utility model belongs to the technical field of gear machining positioning devices, and discloses an inner hole key groove cutting centering device for machining a taper hole gear. According to the utility model, the fixed shaft, the movable circular sleeve and the threaded bolt are arranged, and due to the matching between the fixed shaft and the movable circular sleeve, the position limiting effect can be realized through the inner hole of the bevel gear body, so that the position movement of the bevel gear body is avoided.

Description

Inner hole key groove cutting centering device for machining taper hole gear

Technical Field

The utility model belongs to the technical field of gear machining and positioning devices, and particularly relates to an inner hole key groove cutting centering device for machining a bevel hole gear.

Background

The gear refers to a mechanical element with a gear on a rim for continuously meshing and transmitting motion and power, the gear teeth are each convex part used for meshing on the gear, the convex parts are generally arranged in a radial shape, and the gear teeth on the mating gear are mutually contacted, so that the gear can continuously mesh and operate.

At present, the enterprise often need use the device placed in the middle when producing processing taper hole gear to can carry out spacingly to its position, guarantee the degree of accuracy of its processing, and current device placed in the middle at in-service use in-process, although can realize basic limit function, nevertheless because its structure is comparatively complicated, thereby brought inconvenience for operating personnel's use.

Meanwhile, when the existing centering device is used for fixing the bevel gear, the self fixing effect is not good enough, so that the bevel gear is easy to move when being processed, the production and processing quality of the bevel gear is influenced, the probability of defective products of the bevel gear is increased, and the centering device needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and provides an inner hole cutting key groove centering device for machining a taper hole gear, which has the advantages of good positioning effect and firm fixation.

In order to achieve the purpose, the utility model provides the following technical scheme: a key groove centering device is cut to hole that taper hole gear processing used, includes the fixing base, the positive top fixed mounting of fixing base has the fixed axle, the surface activity of fixed axle has cup jointed movable circle cover, the inside screw thread of activity circle cover has cup jointed the screw bolt that is located directly over the fixed axle and directly under, the bottom of screw bolt runs through the fixing base and extends to the inside of fixing base, the surface activity of activity circle cover has cup jointed the taper hole gear body, the front fixed mounting of fixing base has the fixed block that is located below the taper hole gear body, the top of fixed block has seted up the top groove, the inside movable mounting of fixed block has the dwang, the surface of dwang is equipped with two sections screw threads, and the opposite direction of two sections screw threads, when the dwang rotates, can realize the motion of the looks or back-to-back of two movable blocks, the equal screw thread at the surface at dwang both ends has cup jointed the movable block, the top end of the moving block is located inside the top groove, a moving block located outside the fixed block is fixedly installed at the top end of the moving block, and a toothed plate is fixedly installed at the top of the moving block.

As a preferred technical scheme of the utility model, a circular shaft positioned above the toothed plate is fixedly installed on the front surface of the fixed seat, a movable gear is movably sleeved on the outer surface of the circular shaft, the lower surface of the movable gear is in meshed connection with the top of the toothed plate, teeth are arranged on the lower surface of the movable gear, and the teeth on the lower surface of the movable gear are matched with the teeth on the top of the toothed plate.

As a preferred technical scheme of the utility model, the arc block is fixedly arranged at the top of the movable gear, the clamping plate is fixedly arranged on the inner side of the arc block, the inner side of the clamping plate is movably connected with the outer surface of the bevel hole gear body, and the two clamping plates have deformability and elasticity, so that a good protection effect can be achieved on the bevel hole gear body, and the pressure loss on the outer surface of the bevel hole gear body is avoided.

As a preferred technical scheme of the present invention, a connecting rod is fixedly mounted at the right end of the rotating rod, the other end of the connecting rod penetrates through the fixed block and extends to the outside of the fixed block, and a rotating disc is fixedly mounted on the other end of the connecting rod, and a handle is fixedly mounted on the top of the right side of the rotating disc.

As a preferable technical scheme of the utility model, the front surface of the fixed seat is provided with a threaded hole positioned on the back surface of the threaded bolt, and the threaded hole is matched with the threaded bolt, so that the bottom end of the threaded bolt can be screwed into the threaded hole, and the fixing effect on the movable round sleeve is realized.

As a preferable technical scheme of the utility model, the movable round sleeve is internally provided with a round opening, the size of the round opening is matched with the outer surface of the fixed shaft, and the inside of the round opening is smooth, so that the round opening can be smoothly matched with the fixed shaft in an inserted manner.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the fixed shaft, the movable circular sleeve and the threaded bolt are arranged, and due to the matching between the fixed shaft and the movable circular sleeve, the position limiting effect can be realized through the inner hole of the bevel gear body, so that the position movement of the bevel gear body is avoided.

2. According to the bevel gear body, the rotating rod, the toothed plate, the movable gear, the arc blocks and the movable blocks are arranged, the two movable blocks can drive the two toothed plates to move back and forth due to rotation of the rotating rod, at the moment, due to the meshing relation between the toothed plate and the movable gear, the two arc blocks can drive the two clamping plates to clamp and fix the outer edge of the bevel gear body, the bevel gear body is effectively prevented from moving in the machining process, and the production and machining quality of the bevel gear body is guaranteed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the fixing block according to the present invention;

fig. 3 is a schematic view of the enlarged structure of a portion a in fig. 2 according to the present invention.

In the figure: 1. a fixed seat; 2. a fixed shaft; 3. a movable round sleeve; 4. a threaded bolt; 5. a bevel gear body; 6. a fixed block; 7. rotating the rod; 8. a top groove; 9. a connecting rod; 10. a turntable; 11. a handle; 12. a motion block; 13. a toothed plate; 14. a circular shaft; 15. a movable gear; 16. an arc block; 17. a splint; 18. moving the mass.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, the utility model provides an inner hole cutting keyway centering device for processing a taper hole gear, which comprises a fixed seat 1, wherein a fixed shaft 2 is fixedly arranged at the top of the front surface of the fixed seat 1, a movable round sleeve 3 is movably sleeved on the outer surface of the fixed shaft 2, threaded bolts 4 positioned right above and below the fixed shaft 2 are sleeved on internal threads of the movable round sleeve 3, the bottom ends of the threaded bolts 4 penetrate through the fixed seat 1 and extend into the fixed seat 1, a taper hole gear body 5 is movably sleeved on the outer surface of the movable round sleeve 3, a fixed block 6 positioned below the taper hole gear body 5 is fixedly arranged at the front surface of the fixed seat 1, a top groove 8 is formed at the top of the fixed block 6, a rotating rod 7 is movably arranged inside the fixed block 6, two threads are arranged on the outer surface of the rotating rod 7, the directions of the two threads are opposite, when the rotating rod 7 rotates, the two moving blocks 18 can move oppositely or oppositely, the outer surface at both ends of dwang 7 all has threaded the cup joint movable block 18, and the top of movable block 18 is located the inside of top groove 8, and the top fixed mounting of movable block 18 has the outside motion piece 12 that is located fixed block 6, and the top fixed mounting of motion piece 12 has pinion rack 13.

Wherein, the front fixed mounting of fixing base 1 has the circle axle 14 that is located pinion rack 13 top, and the surface activity of circle axle 14 has cup jointed loose gear 15, and loose gear 15's lower surface is connected with the top meshing of pinion rack 13, and loose gear 15's lower surface is equipped with the tooth, and the tooth of loose gear 15 lower surface and the top tooth looks adaptation of pinion rack 13.

Wherein, loose gear 15's top fixed mounting has arc piece 16, and the inboard fixed mounting of arc piece 16 has splint 17, splint 17's inboard and taper hole gear body 5's surface swing joint, because two splint 17 all have deformability and elasticity, can play good safeguard effect to taper hole gear body 5, avoid causing the pressure loss to taper hole gear body 5's surface.

Wherein, the right-hand member fixed mounting of dwang 7 has connecting rod 9, and the other end of connecting rod 9 runs through fixed block 6 and extends to the outside and the fixed mounting of fixed block 6 and has carousel 10, and the top fixed mounting on carousel 10 right side has handle 11, because the cooperation between carousel 10 and the handle 11, will be convenient for operating personnel to rotate dwang 7.

Wherein, the screw hole that is located the screw bolt 4 back is seted up on the front of

fixing base

1, and 4 looks adaptations are tied to screw hole and screw, consequently make the bottom of screw bolt 4 can screw in to the inside of screw hole to the realization is to the fixed action of activity circle cover 3.

Wherein, the round mouth has been seted up to the inside of activity circle cover 3, and the size of round mouth and the surface looks adaptation of fixed axle 2, and the inside of round mouth is smooth to can make its smooth and easy cooperate of pegging graft with fixed axle 2.

The working principle and the using process of the utility model are as follows:

firstly, operating personnel places taper hole gear body 5 at the surface of fixed axle 2, then overlaps movable round sleeve 3 at the surface of fixed axle 2 to make it be in the hole of taper hole gear body 5, utilize screw bolt 4 to come the screw in to the positive screw hole of fixing base 1 afterwards, thereby can realize the preliminary location to taper hole gear body 5.

Subsequently, operating personnel rotates handle 11 for carousel 10 drives dwang 7 through connecting rod 9 and takes place rotatoryly, and two movable blocks 18 will drive two pinion rack 13 and take place back-to-back motion simultaneously, because the meshing relation of being connected between pinion rack 13 and the loose gear 15 this moment, will make two arc blocks 16 drive two splint 17 and use round shaft 14 as the axle center rotatory, and finally two splint 17 will play good centre gripping fixed action to the outer fringe of taper hole gear body 5, then can process the operation to taper hole gear body 5.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hole cuts keyway device placed in middle that taper hole gear machining used, includes fixing base (1), its characterized in that: the fixed shaft (2) is fixedly mounted at the top of the front of the fixed seat (1), the movable round sleeve (3) is movably sleeved on the outer surface of the fixed shaft (2), the thread bolts (4) positioned right above and right below the fixed shaft (2) are sleeved on the inner threads of the movable round sleeve (3), the bottom ends of the thread bolts (4) penetrate through the fixed seat (1) and extend into the fixed seat (1), the taper hole gear body (5) is movably sleeved on the outer surface of the movable round sleeve (3), the fixed block (6) positioned below the taper hole gear body (5) is fixedly mounted at the front of the fixed seat (1), a top groove (8) is formed at the top of the fixed block (6), the rotating rod (7) is movably mounted in the fixed block (6), and the moving blocks (18) are sleeved on the outer surfaces at the two ends of the rotating rod (7) in a threaded manner, the top end of the moving block (18) is located inside the top groove (8), the top end of the moving block (18) is fixedly provided with a moving block (12) located outside the fixed block (6), and the top of the moving block (12) is fixedly provided with a toothed plate (13).

2. The internal hole cutting keyway centering device for processing the bevel hole gear as claimed in claim 1, wherein: the front fixed mounting of fixing base (1) has round axle (14) that are located pinion rack (13) top, the surface activity of round axle (14) has cup jointed loose gear (15), the lower surface of loose gear (15) is connected with the top meshing of pinion rack (13).

3. The internal hole cutting keyway centering device for processing the taper hole gear according to claim 2, wherein: the top fixed mounting of loose gear (15) has arc piece (16), the inboard fixed mounting of arc piece (16) has splint (17), the surface swing joint of the inboard of splint (17) and taper hole gear body (5).

4. The internal hole cutting keyway centering device for processing the bevel hole gear as claimed in claim 1, wherein: the right-hand member fixed mounting of dwang (7) has connecting rod (9), the other end of connecting rod (9) runs through fixed block (6) and extends to the outside and the fixed mounting of fixed block (6) have carousel (10), the top fixed mounting on carousel (10) right side has handle (11).

5. The internal hole cutting keyway centering device for processing the bevel hole gear as claimed in claim 1, wherein: the front surface of the fixed seat (1) is provided with a threaded hole positioned on the back surface of the threaded bolt (4), and the threaded hole is matched with the threaded bolt (4).

6. The internal hole cutting keyway centering device for processing the bevel hole gear as claimed in claim 1, wherein: the movable round sleeve (3) is internally provided with a round opening, and the size of the round opening is matched with the outer surface of the fixed shaft (2).