CN218983931U

CN218983931U - Centering and fixing tool for high-speed gear machining shaft end of air compressor

Info

Publication number: CN218983931U
Application number: CN202223157035.5U
Authority: CN
Inventors: 王凯
Original assignee: Jiangyin Kaihua Machinery Manufacturing Co ltd
Current assignee: Jiangyin Kaihua Machinery Manufacturing Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-05-09
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a centering fixing tool for a high-speed gear machining shaft end of an air compressor, which comprises an openable annular frame, wherein the annular frame comprises a lower frame body and an upper frame body, the inner walls of the lower frame body and the upper frame body are of semicircular annular design, the lower frame body is hinged with one end of the upper frame body, and the other end of the lower frame body is used for rapidly locking or unlocking the openable annular frame through a rapid fixing mechanism; the quick fixing mechanism comprises a locking head connected with the end part of the upper frame body, and triangular toothed bayonets are arranged on two sides of the locking head; the lower frame body is internally provided with a lock pin structure which can be clamped into the bayonet. According to the gear machining shaft end centering fixing tool, the annular frame which is fixed by screwing a screw rod in the prior art is changed into the quick fixing mechanism which can be quickly fixed and removed, and when the locking head is inserted into the mounting cavity of the lower frame body, the locking head can be clamped on the bayonet by the clamping teeth on the sliding pin in the mounting cavity to be fixed, so that the quick fixing of the annular frame is realized, and the operation is simple and quick.

Description

Centering and fixing tool for high-speed gear machining shaft end of air compressor

Technical Field

The utility model relates to the technical field of mechanical cutting machining tools, in particular to a centering fixing tool for a machining shaft end of a high-speed gear of an air compressor.

Background

The gear means a mechanical element on the rim, which is continuously engaged with the gear to transmit motion and power. Gear machining equipment is a machine that is dedicated to gear machining.

In the gear machining process, in order to ensure the machining precision of a workpiece, accurate positioning is required between a machining machine tool and the workpiece, namely, accurate clamping and positioning of the workpiece is an important factor for ensuring the machining precision. Particularly, for parts with a rotation boss and/or a rotation hole, such as large-scale rotation body parts, axial center positioning is usually required in processing, and multiple clamping positioning is required, so that the selection of the clamping fixture of the parts is very important.

In the prior art, a center frame for a milling machine is generally adopted to center and fix both ends, and the center frame is formed by hinging one ends of an upper center frame body and a lower center frame body, and the other ends of the upper center frame body and the lower center frame body are screwed and fixed by adopting a screw rod, but the screw rod and the nut are required to be rotated for a plurality of times when being fastened by adopting the screw rod and the nut, so that the fixing speed is slow, and the time and the labor are wasted; secondly, the clamping block is of a common telescopic rod structure, so that the workpiece shaft is inconvenient to rotate in an angle when being centered and fixed, and the fixing tool is required to be loosened repeatedly if the workpiece shaft needs to be rotated; and also results in lower processing efficiency.

Therefore, a shaft end centering fixture for processing a high-speed gear of an air compressor needs to be studied to solve the problems.

Disclosure of Invention

The utility model aims to solve the technical problems, and provides a centering and fixing tool for a high-speed gear machining shaft end of an air compressor, which can quickly perform centering and fixing on the shaft end of a workpiece shaft and can enable the workpiece shaft to stably rotate after fixing.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an air compressor machine high-speed gear processing axle head centering fixed frock, includes the annular frame that can open and shut, radially evenly distributed along the annular frame has the branch structure that can radially stretch out and draw back, the annular frame includes lower support body, last support body, and lower support body and last support body inner wall all are semicircle ring-shaped design, and lower support body is articulated with one end of last support body, and the other end is through quick locking or opening to the annular frame that can open and shut of quick fixed establishment; the quick fixing mechanism comprises a locking head connected with the end part of the upper frame body, and triangular toothed bayonets are arranged on two sides of the locking head; the lower frame body is internally provided with a lock pin structure which can be clamped into the bayonet.

Further, the lower frame body is far away from an end hinged with the upper frame body and is internally provided with an installation cavity, and the locking pin structure is slidably connected in the installation cavity.

Further, the lock pin structure comprises two sliding pins, the sliding pins are of a C-shaped structure, two sliding pins are arranged, openings of the two sliding pins are opposite and are arranged in a central symmetry mode, the inner side wall of the first end of each sliding pin is provided with inwards protruding clamping teeth, and the clamping teeth are matched with the bayonet; the outer side wall of the second end of the sliding pin is provided with a button which extends out of the outer wall of the lower frame body.

Further, a spring is further arranged between the two sliding pins, and the two springs are respectively arranged between the outer wall of the first end of one sliding pin and the inner wall of the second end of the other sliding pin.

Furthermore, a spring plate cavity is further arranged on the lower side of the installation cavity, a spring plate for pushing the locking head upwards is arranged in the spring plate cavity, and an arch bridge-shaped bulge is arranged in the middle of the spring plate.

Further, the branch structure includes the telescopic link, and the telescopic link is equipped with three, and the directional annular frame center one end of telescopic link is equipped with the support frame, and the other end of telescopic link is equipped with adjust knob, and adjust knob rotates makes the telescopic link radially flexible removal along the annular frame.

Further, the support frame is including being the support of V-arrangement structure, and the middle part corner of support is articulated with telescopic link tip, and the both ends rotation of support body is equipped with the supporting wheel.

Compared with the prior art, the utility model has the beneficial effects that: according to the gear machining shaft end centering fixing tool, the annular frame which is screwed and fixed by the screw rod in the prior art is changed into the rapid fixing mechanism which can be rapidly fixed and removed, and when the locking head is inserted into the mounting cavity of the lower frame body, the locking head can be clamped on the bayonet by the clamping teeth on the sliding pin in the mounting cavity to be fixed, so that the rapid fixing of the annular frame is realized, the fixing efficiency of the tool to the workpiece shaft is conveniently improved, and the operation is simple and rapid.

Drawings

FIG. 1 shows a gear machining shaft end centering and fixing tool;

FIG. 2 is a second perspective view of the present utility model;

FIG. 3 is a top view of FIG. 1 in accordance with the present utility model;

in the figure: 1. an annular frame; 2. a strut structure; 3. a lower frame body; 4. an upper frame body; 5. a locking head; 6. a bayonet; 7. a mounting cavity; 8. a sliding pin; 9. latch teeth; 10. a button; 11. a spring; 12. a reed cavity; 13. a spring piece; 14. a telescopic rod; 15. an adjustment knob; 16. a bracket; 17. and a supporting wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

The utility model provides an air compressor machine high-speed gear processing axle head centering fixed frock, as shown in fig. 1, including annular frame 1 that can open and shut, radially evenly distributed along annular frame 1 has the branch structure 2 that can radially stretch out and draw back, when processing the air compressor high-speed gear axle, put into and centering fixed the one end of work piece axle from annular frame 1's opening part, keep the both ends of work piece axle concentric, annular frame 1 includes lower support body 3, upper support body 4, and lower support body 3 and upper support body 4 inner wall all are semicircle ring-shaped design, and lower support body 3 is articulated with upper support body 4's one end, and the other end is through quick locking or opening of quick fixed establishment to annular frame 1 that can open and shut, in order to improve the availability factor of frock to improve prior art's screw rod screw fixed as quick fixed establishment and lock annular frame 1; the quick fixing mechanism comprises a locking head 5 connected with the end part of the upper frame body 4, and triangular toothed bayonets 6 are arranged on two sides of the locking head 5; the lower frame 3 is provided with a lock pin structure which can be clamped into the bayonet 6.

Specifically, as shown in fig. 2 and 3, an installation cavity 7 is provided in the end of the lower frame 3, which is far away from the hinge joint with the upper frame 4, and the locking pin structure is slidably connected in the installation cavity 7. The lock pin structure comprises two sliding pins 8, the sliding pins 8 are of a C-shaped structure, the sliding pins 8 are provided with two sliding pins 8, openings of the two sliding pins 8 are opposite and are arranged in a central symmetry mode, the locking head 5 can be inserted between the two sliding pins 8 from top to bottom, the inner side wall of the first end of each sliding pin 8 is provided with inwards protruding clamping teeth 9, the clamping teeth 9 are matched with the bayonet 6, when the locking head 5 is inserted between the first ends of the two sliding pins 8 from top to bottom, the upper frame 4 falls in place, at the moment, the openings of the two sides of the locking head 5 are just opposite to the positions of the clamping teeth 9, the clamping teeth 9 on the two sides are pushed into the bayonet 6 under the action of a spring 11, so that the upper frame 4 is locked rapidly, the spring 11 is arranged between the two sliding pins 8, and the spring 11 is arranged between the outer wall of the first end of one sliding pin 8 and the inner wall of the second end of the other sliding pin 8. The button 10 extending out of the outer wall of the lower frame body 3 is arranged on the outer side wall of the second end of the sliding pin 8, namely, the buttons 10 are arranged on two sides of the lower frame body 3 by two sliding pins 8, when the annular frame 1 needs to be opened, the buttons 10 on two sides are pressed down, the two sliding pins 8 can be pushed inwards, so that the latches 9 on two sides are opened, and the locking of the locking head 5 is released.

Furthermore, in order to enable the locking head 5 to automatically pop up when unlocking, a reed cavity 12 is further arranged at the lower side of the installation cavity 7, a spring 11 sheet for pushing the locking head 5 upwards is arranged in the reed cavity 12, and an arch bridge-shaped bulge is arranged in the middle of the spring 11 sheet; when the locking head 5 is inserted into the lock, the bulge in the middle of the spring 11 sheet is pressed downwards, so that the spring 11 sheet stores force, and after the locking head 5 is unlocked, the locking head 5 can be pushed upwards for a certain distance under the elasticity of the spring 11 sheet.

Embodiment two:

when the supporting rod structure 2 in the prior art is used for centering and fixing a workpiece shaft, the lower end of the telescopic rod 14 of the workpiece shaft is propped against the workpiece shaft to form point-shaped contact and fixation, so that the fixation is unstable, and the workpiece shaft needs to be repeatedly adjusted during adjustment, so that the workpiece shaft is inconvenient; as an improvement, in this embodiment, the end of the telescopic rod 14 is additionally provided with a support capable of rolling, so that the telescopic rod can be centered during processing of the workpiece shaft, and is convenient for the workpiece shaft to rotate and process, specifically, as shown in fig. 1, the support rod structure 2 comprises three telescopic rods 14, the telescopic rods 14 are fastened from three directions to the center, so that the workpiece shaft is centered and fixed, one end of the telescopic rods 14, which points to the center of the annular frame 1, is provided with a support frame, the support frame comprises a support 16 in a V-shaped structure, the corner of the middle of the support 16 is hinged with the end of the telescopic rod 14, and the two ends of the support 16 are rotatably provided with support wheels 17, so that the support structure of 6 support wheels 17 on the workpiece shaft as shown in the figure is formed. The other end of telescopic link 14 is equipped with adjust knob 15, and adjust knob 15 rotates and makes telescopic link 14 radially flexible removal along annular frame 1, and during the in-service use, rotatory adjust knob 15 can control the length that telescopic link 14 stretched, at the centering in-process, checks the concentricity at work piece axle both ends through the amesdial, adjusts the work piece axle through adjust knob 15.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a fixed frock of air compressor machine high-speed gear machining axle head centering, includes annular frame (1) that can open and shut, radially evenly distributed along annular frame (1) has branch structure (2) that can radially stretch out and draw back, its characterized in that, annular frame (1) include lower support body (3), go up support body (4), lower support body (3) and go up support body (4) inner wall and all be semicircle ring-shaped design, lower support body (3) are articulated with one end of last support body (4) and are connected, and the other end is through quick locking or opening of quick fixed establishment to annular frame (1) that can open and shut; the quick fixing mechanism comprises a locking head (5) connected with the end part of the upper frame body (4), and triangular toothed bayonets (6) are arranged on two sides of the locking head (5); the lower frame body (3) is internally provided with a lock pin structure which can be clamped into the bayonet (6).

2. The centering fixing tool for the high-speed gear machining shaft end of the air compressor machine according to claim 1, wherein an installation cavity (7) is arranged in one end, which is far away from the upper frame body (4), of the lower frame body (3), and the locking pin structure is slidably connected in the installation cavity (7).

3. The centering fixture for the high-speed gear machining shaft end of the air compressor according to claim 2, wherein the lock pin structure comprises two sliding pins (8), the sliding pins (8) are of a C-shaped structure, the two sliding pins (8) are provided with two sliding pins, the openings of the two sliding pins (8) are opposite and are arranged in a central symmetry mode, the inner side wall of the first end of the sliding pin (8) is provided with inwards protruding clamping teeth (9), and the clamping teeth (9) are matched with the bayonet (6); the outer side wall of the second end of the sliding pin (8) is provided with a button (10) extending out of the outer wall of the lower frame body (3).

4. The centering fixture for the high-speed gear machining shaft end of the air compressor according to claim 3, wherein springs (11) are further arranged between the two sliding pins (8), and the springs (11) are arranged between the outer wall of the first end of one sliding pin (8) and the inner wall of the second end of the other sliding pin (8).

5. The centering fixture for the high-speed gear machining shaft end of the air compressor according to any one of claims 2-4, wherein a reed cavity (12) is further arranged on the lower side of the installation cavity (7), a spring (11) sheet for pushing the locking head (5) upwards is arranged in the reed cavity (12), and an arch bridge-shaped protrusion is arranged in the middle of the spring (11) sheet.

6. The centering fixture for the high-speed gear machining shaft end of the air compressor machine according to claim 1, wherein the supporting rod structure (2) comprises three telescopic rods (14), the telescopic rods (14) are arranged at one ends of the centers of the annular frames (1), supporting frames are arranged at one ends of the telescopic rods (14) pointing to the centers of the annular frames (1), adjusting knobs (15) are arranged at the other ends of the telescopic rods (14), and the adjusting knobs (15) rotate to enable the telescopic rods (14) to move in a telescopic mode along the radial directions of the annular frames (1).

7. The centering fixture for the high-speed gear machining shaft end of the air compressor machine according to claim 6, wherein the support frame comprises a support (16) with a V-shaped structure, the middle corner of the support (16) is hinged with the end part of the telescopic rod (14), and support wheels (17) are rotatably arranged at the two ends of the support body.