Positioning device for chain wheel machining

Abstract

The utility model relates to the technical field of chain wheels, in particular to a positioning device for chain wheel machining, and solves the problems that in the prior art, a traditional positioning device is poor in universality, each specification of positioning device can only be suitable for clamping chain wheels of specific models, and if chain wheels of various models exist, the positioning device is not suitable for clamping chain wheels of specific models. The problem that the production cost of the chain wheel is not favorably reduced due to the fact that the specifications of the positioning devices needing to be prepared are more in the prior art is solved. A positioning device for chain wheel machining comprises a positioning table and two moving blocks symmetrically arranged on the two sides of the top of the positioning table, rubber blocks are connected to the centers of the corresponding sides of the two moving blocks, and extending plates connected with the side walls of the moving blocks are obliquely arranged on the two sides of the rubber blocks. According to the clamping device, the chain wheel can be stably clamped, the machining stability is improved, in this way, chain wheels with different diameters can be clamped in a matched mode, and the clamping flexibility and comprehensiveness are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sprockets, in particular to a positioning device for sprocket processing. Background Art

[0002] As a transmission part, the sprocket has been widely used in various fields. In the production and manufacturing of sprockets, a positioning device is often needed to position the sprocket, so as to facilitate operations such as turning, milling slots, and drilling on the sprocket.

[0003] However, the traditional positioning device has poor versatility. Each specification of the positioning device can only be used for clamping a specific model of sprocket. If there are multiple models of sprockets, a corresponding positioning device needs to be prepared for each model of sprocket. In this way, a large number of specifications of positioning devices need to be prepared, which is not conducive to reducing the production cost of sprockets. Content of the Utility Model

[0004] The purpose of the utility model is to provide a positioning device for sprocket processing, which solves the problem that the traditional positioning device in the prior art has poor versatility. Each specification of the positioning device can only be used for clamping a specific model of sprocket. If there are multiple models of sprockets, a corresponding positioning device needs to be prepared for each model of sprocket. In this way, a large number of specifications of positioning devices need to be prepared, which is not conducive to reducing the production cost of sprockets.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A positioning device for sprocket processing includes a positioning table and two moving blocks symmetrically arranged on both sides of the top of the positioning table. Rubber blocks are connected to the centers of the corresponding sides of the two moving blocks. Extension plates connected to the side walls of the moving blocks are inclined on both sides of the rubber blocks. A driving structure is arranged at the bottom of the positioning table, and the output end of the driving structure is connected to the two moving blocks.

[0007] Preferably, one end of each extension plate is fixedly connected with an arc-shaped plate, and a plurality of anti-slip grooves are formed on the arc-shaped surface of the arc-shaped plate.

[0008] Preferably, support frames are arranged on both sides of the bottom of the positioning table, and the top of the support frames is fixedly connected to the bottom of the positioning table.

[0009] Preferably, the driving structure includes a bidirectional screw rod horizontally arranged at the center of the bottom of the positioning table and a driving motor. The two ends of the bidirectional screw rod are respectively rotatably connected to the side walls of the two support frames. The driving motor is installed on the side wall of one of the support frames, and the output shaft of the support frame penetrates through the support frame through a shaft sleeve and is in transmission connection with the end of the bidirectional screw rod.

[0010] Preferably, moving grooves penetrating through the positioning table are formed on both sides of the top of the positioning table, and a moving rod fixedly connected to the bottom of the moving block and threadedly engaged with the bidirectional lead screw penetrates through the moving groove.

[0011] Preferably, two sliding grooves are symmetrically formed on both sides of the top of the positioning table, and sliding plates adapted to and slidably connected to the sliding grooves are fixedly connected to both sides of the bottom of the moving block.

[0012] The utility model has at least the following beneficial effects:

[0013] Through the arrangement of the rubber block and the extension plate, it is convenient to realize the synchronous movement of the two moving blocks driven by the driving structure to clamp the sprocket. When clamping the sprocket, the rubber block first contacts the outer wall of the sprocket, and the sprocket is clamped and positioned through flexible clamping. Then, the two extension plates contact the outer ring of the sprocket, so as to realize double clamping through the cooperation of flexible clamping and rigid contact clamping, and the sprocket can be stably clamped, improving the stability of processing. And through this way, sprockets with different diameters can be clamped in cooperation, improving the flexibility and comprehensiveness of clamping.

[0014] The utility model also has the following beneficial effects:

[0015] It is convenient to realize the synchronous movement of the two moving blocks driven by the driving structure to clamp the sprocket. When clamping the sprocket, the rubber block first contacts the outer wall of the sprocket, and the sprocket is clamped and positioned through flexible clamping. Then, the two extension plates contact the outer ring of the sprocket, so as to realize double clamping through the cooperation of flexible clamping and rigid contact clamping, and the sprocket can be stably clamped, improving the stability of processing. And through this way, sprockets with different diameters can be clamped in cooperation, improving the flexibility and comprehensiveness of clamping. Through the arrangement of the arc-shaped plate, it is convenient to realize the fitting clamping with the outer wall of the sprocket. Through the arrangement of the support frame, it is convenient to stably support the positioning table. Through the arrangement of the driving motor and the bidirectional lead screw, it is convenient to realize bidirectional driving. Through the arrangement of the moving rod, it is convenient to cooperate with the bidirectional lead screw, so as to realize the mutual approach or separation of the two moving blocks. Through the arrangement of the sliding groove, it is convenient to improve the moving stability of the moving block. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for description in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1Schematic structural diagram of the present utility model;

[0018] Figure 2 Schematic structural diagram of the moving groove of the present utility model;

[0019] Figure 3 Schematic structural diagram of the bidirectional lead screw of the present utility model;

[0020] Figure 4 Schematic structural diagram of the moving block of the present utility model.

[0021] In the figure: 1, positioning table; 2, moving block; 3, support frame; 4, sliding groove; 5, moving groove; 6, driving motor; 7, bidirectional lead screw; 8, sliding plate; 9, moving rod; 10, rubber block; 11, arc plate; 12, extension plate. Specific embodiments

[0022] In order to make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0023] Refer to Figures 1-3 , a positioning device for sprocket processing, including a positioning table 1 and two moving blocks 2 symmetrically arranged on both sides of the top of the positioning table 1. Rubber blocks 10 are connected to the centers of the corresponding sides of the two moving blocks 2. Extension plates 12 connected to the side walls of the moving blocks 2 are inclined on both sides of the rubber blocks 10. A driving structure is arranged at the bottom of the positioning table 1, and the output end of the driving structure is connected to the two moving blocks 2. Specifically, through the arrangement of the rubber blocks 10 and the extension plates 12, it is convenient to realize the synchronous movement of the two moving blocks 2 driven by the driving structure to clamp the sprocket. When clamping the sprocket, the rubber blocks 10 first come into contact with the outer wall of the sprocket, and the sprocket is clamped and positioned through flexible clamping. Then the two extension plates 12 come into contact with the outer ring of the sprocket, so as to realize double clamping through the cooperation of flexible clamping and rigid contact clamping, and the sprocket can be stably clamped, improving the stability of processing. And through this method, sprockets with different diameters can be clamped in cooperation, improving the flexibility and comprehensiveness of clamping.

[0024] Furthermore, one end of each extension plate 12 is fixedly connected with an arc plate 11, and a plurality of anti-slip grooves are formed on the arc surface of the arc plate 11. Specifically, through the arrangement of the arc plate 11, it is convenient to realize the fitting clamping with the outer wall of the sprocket.

[0025] Furthermore, support frames 3 are arranged on both sides of the bottom of the positioning table 1, and the top of the support frames 3 is fixedly connected to the bottom of the positioning table 1. Specifically, through the arrangement of the support frames 3, it is convenient to stably support the positioning table 1.

[0026] Further, the driving structure includes a bidirectional lead screw 7 horizontally arranged at the center of the bottom of the positioning table 1 and a driving motor 6. The two ends of the bidirectional lead screw 7 are respectively rotatably connected to the side walls of two support frames 3. The driving motor 6 is installed on the side wall of one of the support frames 3. The output shaft of the support frame 3 passes through the support frame 3 through a bushing and is in transmission connection with the end of the bidirectional lead screw 7. Specifically, through the arrangement of the driving motor 6 and the bidirectional lead screw 7, it is convenient to realize bidirectional driving.

[0027] Further, moving grooves 5 penetrating the positioning table 1 are formed on both sides of the top of the positioning table 1. A moving rod 9 fixedly connected to the bottom of the moving block 2 penetrates the moving groove 5 and is in threaded cooperation with the bidirectional lead screw 7. Specifically, through the arrangement of the moving rod 9, it is convenient to cooperate with the bidirectional lead screw 7, so as to realize the mutual approach or separation of the two moving blocks 2.

[0028] Further, two sliding grooves 4 are symmetrically formed on both sides of the top of the positioning table 1. Sliding plates 8 adapted to the sliding grooves 4 are fixedly connected to both sides of the bottom of the moving block 2. Specifically, through the arrangement of the sliding grooves 4, it is convenient to improve the moving stability of the moving block 2.

[0029] In summary: It is convenient to realize the synchronous movement of the two moving blocks 2 driven by the driving structure to clamp the sprocket. When clamping the sprocket, the rubber block 10 first contacts the outer wall of the sprocket, and the sprocket is clamped and positioned through flexible clamping. Then, the two extension plates 12 contact the outer ring of the sprocket, so as to realize double clamping through the cooperation of flexible clamping and rigid contact clamping, and the sprocket can be stably clamped, improving the stability of processing. And through this method, sprockets with different diameters can be clamped in cooperation, improving the flexibility and comprehensiveness of clamping. Through the arrangement of the arc plate 11, it is convenient to realize the fitting clamping with the outer wall of the sprocket. Through the arrangement of the support frame 3, it is convenient to stably support the positioning table 1. Through the arrangement of the driving motor 6 and the bidirectional lead screw 7, it is convenient to realize bidirectional driving. Through the arrangement of the moving rod 9, it is convenient to cooperate with the bidirectional lead screw 7, so as to realize the mutual approach or separation of the two moving blocks 2. Through the arrangement of the sliding grooves 4, it is convenient to improve the moving stability of the moving block 2.

[0030] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification is only the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning device for sprocket processing, characterized in that: include: A positioning platform (1) and two moving blocks (2) symmetrically arranged on both sides of the top of the positioning platform (1), a rubber block (10) is connected to the center of one side corresponding to the two moving blocks (2), and extension plates (12) connected to the side walls of the moving blocks (2) are obliquely arranged on both sides of the rubber block (10), and a driving structure is arranged at the bottom of the positioning platform (1), and the output end of the driving structure is connected to the two moving blocks (2).

2. A sprocket processing positioning device according to claim 1, characterized in that: One end of each of the extension plates (12) is fixedly connected to a curved plate (11), and a plurality of anti-slip grooves are provided on the curved surface of the curved plate (11).

3. A sprocket processing positioning device according to claim 2, characterized in that: Support frames (3) are provided on both sides of the bottom of the positioning platform (1), and the top of the support frame (3) is fixedly connected to the bottom of the positioning platform (1).

4. A sprocket processing positioning device according to claim 1, characterized in that: The driving structure comprises a bidirectional screw rod (7) and a driving motor (6) which are horizontally arranged at the bottom center of the positioning platform (1); the two ends of the bidirectional screw rod (7) are respectively rotatably connected to the side walls of two support frames (3); the driving motor (6) is installed on the side wall of the support frame (3) on one side; the output shaft of the support frame (3) passes through the support frame (3) through a shaft sleeve and is transmission-connected to the end of the bidirectional screw rod (7).

5. A sprocket processing positioning device according to claim 4, characterized in that: Both sides of the top of the positioning platform (1) are provided with moving grooves (5) penetrating the positioning platform (1), and the bottom of the moving block (2) is fixedly connected with a moving rod (9) penetrating the moving groove (5) and threadedly engaged with the bidirectional screw rod (7).

6. A sprocket processing positioning device according to claim 5, characterized in that: Two sliding grooves (4) are symmetrically provided on both sides of the top of the positioning platform (1), and sliding plates (8) adapted to be slidably connected to the sliding grooves (4) are fixedly connected to both sides of the bottom of the moving block (2).

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