CN217799164U

CN217799164U - Gear shaft drilling die

Info

Publication number: CN217799164U
Application number: CN202222325205.XU
Authority: CN
Inventors: 张昆文; 杨毓中
Original assignee: Chongqing Jiazhou Gear Co ltd
Current assignee: Chongqing Jiazhou Gear Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2022-11-15
Anticipated expiration: 2032-09-02

Abstract

The utility model relates to a gear shaft processing technology field discloses a gear shaft drilling mould, locating hole has been seted up to trident board surface center department, the constant head tank has all been seted up on three limits of trident board, trident board upper surface is equipped with positioning mechanism, positioning mechanism includes first connecting ring, equidistant three connecting pin of fixedly connected with in first connecting ring top, fixedly connected with second go-between the three connecting pin, three connecting pin surface rotates respectively and is connected with the traction lever, the three traction lever other end rotates respectively and is connected with the locating piece, three locating piece bottom difference fixedly connected with splint, synchronous motion through three splint, can carry out the centre gripping to unidimensional gear shaft, locating hole after the centre gripping is accomplished can the accurate central point who marks the gear shaft put, the positioning work of gear shaft central point has been made things convenient for greatly, drilling for the gear shaft provides convenience, the speed of gear shaft center location has been improved.

Description

Gear shaft drilling die

Technical Field

The utility model relates to a gear shaft processing technology field specifically is a gear shaft drilling mould.

Background

The gear shaft means a mechanical part supporting a rotating part and rotating together therewith to transmit motion, torque or bending moment. Generally for metal round bar shape, each section can have different diameters, and the gear shaft is according to the different often needs of user demand in the in-process of production and carries out drilling processing at the gear shaft center, generally need adopt the mould to carry out assistance-localization real-time.

When the existing gear shaft is centrally positioned, a mold is generally sleeved on the gear shaft and positioned through a through hole in the mold, but different types of molds are needed for gear shafts with different specifications and sizes, so that the processing cost is increased, and when the molds are sleeved, if the molds with different specifications are used, the molds need to be disassembled and replaced, so that time and labor are wasted, for example, in the prior art represented by a comparison document gear shaft drilling mold (publication No. CN 210334472U), a drill jig body is arranged, the drill jig body is sleeved on an outer gear and a gear shaft body, the circumferential position of the drill jig body is positioned by utilizing a positioning groove arranged on a positioning clamp, the axial position of the drill jig body is positioned by utilizing the limit matching between a shaft shoulder between a large-diameter section and a small-diameter section and an outer gear, and then a drilling positioning hole is arranged on the drill jig body by taking the positioning through hole as a reference, so that the drilling hole can be accurately positioned to a radial hole drilling area can be ensured, and the scheme that the hole can be drilled on the drill body according to the drilling hole can be adopted, so that the problem exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gear shaft drilling mould to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a gear shaft drilling mould, includes the trident board, and locating hole has been seted up to trident board surface center department, and the constant head tank has all been seted up on three limits of trident board, trident board upper surface is equipped with positioning mechanism, and positioning mechanism includes first connecting ring, the equidistant three connecting pin of fixedly connected with in first connecting ring top, fixedly connected with second go-between the three connecting pin, and three connecting pin surface rotates respectively and is connected with the traction lever, and the three traction lever other end rotates respectively and is connected with the locating piece, and three locating piece bottom fixedly connected with splint respectively.

Optionally, the surface of trident board inlays to establish and installs the limiting plate, the limiting plate upper surface seted up with first connecting ring assorted spread groove, first connecting ring sliding connection is in the spread groove.

Optionally, the positioning block is of a cross structure, and the outer surface of the positioning block abuts against the inner wall of the positioning groove.

Optionally, the upper surface of the first connecting ring and the upper surface of the positioning block are on the same horizontal line, and the upper surface and the lower surface of the positioning groove both penetrate through the surface of the three-fork plate.

Optionally, the inner surface of the positioning groove is fixedly connected with a positioning shaft, and the positioning block is connected to the outer surface of the positioning shaft in a sliding manner.

Optionally, the outer surface of the positioning shaft is movably sleeved with a spring, one end of the spring is fixedly connected with the inner wall of the positioning groove, and the other end of the spring is fixedly connected with one side of the positioning block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this gear shaft drilling mould through the synchronous motion of three splint, can carry out the centre gripping to not unidimensional gear shaft, and the locating hole after the centre gripping is accomplished can the accurate central point who marks the gear shaft put, has made things convenient for the positioning work of gear shaft central point greatly, provides convenience for the drilling work of gear shaft, has improved the speed of gear shaft center location.

2. This gear shaft drilling mould through the limiting plate that sets up, can support the device, guarantees that the device can be more steady places on the gear shaft, and the location axle provides frictional force for the removal of locating piece, slows down the speed that the locating piece removed under the pulling force of spring, avoids the power of splint centre gripping too big and causes the damage of gear shaft, promotes the security that detects.

Drawings

Fig. 1 is a schematic structural view of the whole gear shaft drilling mold of the present invention;

fig. 2 is a schematic structural view of a positioning mechanism in the gear shaft drilling mold of the present invention;

fig. 3 is a schematic structural view of a three-way plate in the gear shaft drilling mold of the present invention;

fig. 4 is the utility model relates to a sectional view of constant head tank in gear shaft drilling mould.

In the figure: 1. a three-pronged board; 11. a limiting plate; 12. positioning holes; 13. positioning a groove; 2. a positioning mechanism; 21. a first connecting ring; 22. connecting a bolt; 23. a second connection ring; 24. a draw bar; 25. positioning blocks; 26. a splint; 27. positioning the shaft; 28. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Please refer to fig. 1 to 4, the utility model provides a gear shaft drilling mould, including trident board 1, locating hole 12 has been seted up to 1 surface center department of trident board, constant head tank 13 has all been seted up on three limits of trident board 1, trident board 1 upper surface is equipped with positioning mechanism 2, positioning mechanism 2 includes first link 21, equidistant three connecting pin 22 of fixedly connected with in first link 21 top, fixedly connected with second go-between 23 between three connecting pin 22, three connecting pin 22 surface rotates respectively and is connected with traction lever 24, the three traction lever 24 other end rotates respectively and is connected with locating piece 25, three locating piece 25 bottom difference fixedly connected with splint 26.

Positioning block 25 is criss-cross structure, the surface of positioning block 25 supports with the inner wall of constant head tank 13, this kind of means plays spacing and supported effect to positioning block 25, the upper surface of first connecting ring 21 is in same water flat line with the upper surface of positioning block 25, the upper surface and the lower surface of constant head tank 13 all run through the surface of trident board 1, this kind of means guarantees that first connecting ring 21 is when rotating, can not influence the removal of traction lever 24, the condition that blocks appears in the avoidance device, positioning shaft 27 surface movable sleeve is equipped with spring 28, spring 28 one end and the inner wall fixed connection of constant head tank 13, spring 28's the other end and positioning block 25 one side fixed connection, three spring 28 kick-backs in step, can drive three positioning block 25 synchronous motion on the trident board 1, positioning block 25 carries out the centre gripping to the gear shaft through splint 26.

Three fork board 1's surface inlays to establish and installs limiting plate 11, limiting plate 11 upper surface seted up with first go-between 21 assorted spread groove, first go-between 21 sliding connection is in the spread groove, anticlockwise rotation second go-between 23, second go-between 23 drives first go-between 21 through connecting plug 22 and slides in limiting plate 11, the stability of device has been guaranteed, limiting plate 11 can support the device simultaneously, guarantee that the device can more steady placing on the gear shaft, constant head tank 13 internal surface fixedly connected with location axle 27, locating piece 25 sliding connection is in location axle 27 surface, location axle 27 provides frictional force for the removal of locating piece 25, slow down the speed that locating piece 25 removed under the pulling force of spring 28, avoid the too big and damage that causes the gear shaft of the power of splint 26 centre gripping.

The working principle is as follows: when the device is used, the second connecting ring 23 is rotated anticlockwise, the second connecting ring 23 drives the first connecting ring 21 to slide in the limiting plate 11 through the connecting bolt 22, meanwhile, the connecting bolt 22 can push the traction rod 24, the traction rod 24 drives the positioning block 25 to slide on the surface of the positioning shaft 27, the positioning block 25 can stretch the spring 28 when moving, then, the three-fork plate 1 is placed on the surface of the gear shaft, after the second connecting ring 23 is loosened, the three springs 28 rebound synchronously, the three positioning blocks 25 on the three-fork plate 1 can be driven to move synchronously, the positioning block 25 clamps the gear shaft through the clamping plate 26, and the distances for moving the three positioning blocks 25 are the same, so that the positioning hole 12 is positioned right above the center of the gear shaft, a user can pass through the positioning hole 12 through a marking pen, marks are made on the gear shaft, the positioning work of the center point of the gear shaft is greatly facilitated, convenience is provided for the drilling work of the gear shaft, and the speed for positioning the center of the gear shaft is improved.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gear shaft drilling mould, includes trident board (1), trident board (1) surface center department has seted up locating hole (12), and constant head tank (13) have all been seted up on three limits of trident board (1), a serial communication port, trident board (1) upper surface is equipped with positioning mechanism (2), and positioning mechanism (2) are including first connecting ring (21), equidistant three connecting pin (22) of fixedly connected with in first connecting ring (21) top, fixedly connected with second go-between (22) three connecting pin (23), and three connecting pin (22) surface rotates respectively and is connected with traction lever (24), and three traction lever (24) other end rotates respectively and is connected with locating piece (25), and three locating piece (25) bottom is fixedly connected with splint (26) respectively.

2. The gear shaft drilling die according to claim 1, wherein a limiting plate (11) is embedded in the outer surface of the three-fork plate (1), a connecting groove matched with the first connecting ring (21) is formed in the upper surface of the limiting plate (11), and the first connecting ring (21) is slidably connected into the connecting groove.

3. The gear shaft drilling die according to claim 1, wherein the positioning block (25) is of a crisscross structure, and the outer surface of the positioning block (25) abuts against the inner wall of the positioning groove (13).

4. The gear shaft drilling die according to claim 1, wherein the upper surface of the first connecting ring (21) and the upper surface of the positioning block (25) are on the same horizontal line, and the upper surface and the lower surface of the positioning groove (13) penetrate through the surface of the three-fork plate (1).

5. The gear shaft drilling die according to claim 1, wherein a positioning shaft (27) is fixedly connected to the inner surface of the positioning groove (13), and the positioning block (25) is slidably connected to the outer surface of the positioning shaft (27).

6. The gear shaft drilling die according to claim 5, wherein a spring (28) is movably sleeved on the outer surface of the positioning shaft (27), one end of the spring (28) is fixedly connected with the inner wall of the positioning groove (13), and the other end of the spring (28) is fixedly connected with one side of the positioning block (25).