Gear-shaped workpiece machining table

Abstract

The gear-shaped workpiece machining table comprises a machining table body, a sliding rail is fixedly installed on the machining table body in the longitudinal direction, two vertically-arranged arc-shaped positioning plates are connected into the sliding rail in a sliding mode, the two arc-shaped positioning plates are symmetrically arranged in the front-back direction, and the middles of the two arc-shaped positioning plates are bent towards the deviating face. Transverse sliding grooves penetrating front and back are formed in the arc-shaped positioning plates, and each arc-shaped positioning plate is at least movably connected with two vertically-arranged clamping blocks in a clamped mode through the transverse sliding grooves. The clamping blocks on the arc-shaped positioning plate are clamped in the grooves of the gear-shaped workpiece in the front-back direction, the gear-shaped workpiece is prevented from rotating and slipping, the contact and clamping effects are improved through the multiple clamping blocks, the slipping and loosening phenomena are completely eradicated, and the polishing efficiency is improved; the positioning device of the gear-shaped workpiece machining table solves the problems that a gear-shaped workpiece is directly clamped by an existing positioning device of the gear-shaped workpiece machining table from the outside, the contact area between a clamp and the gear-shaped workpiece is small, and slipping and loosening are prone to occurring in the machining and polishing process.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a gear-shaped workpiece processing table. Background Art

[0002] During mechanical processing, workpieces with irregular shapes are often encountered, as well as gear processing or processing of workpieces that are close to gear shapes. After the gear-shaped workpiece is cut and formed, in order to ensure the accuracy and surface smoothness of the workpiece, it must undergo a grinding process to remove cutting burrs to facilitate normal operation during use. The processing and grinding of gear-shaped workpieces are generally completed with the help of a processing table. They are clamped and fixed by a positioning device located below, and polished by a grinding device located above. In the prior art, the gear-shaped workpiece is generally clamped directly from the outside. Since the surface of the gear-shaped workpiece is a tooth structure, only the end of the tooth is in contact with the fixture during direct clamping, and the contact area is relatively small. Affected by the torque of the grinding device above, the lower clamping is prone to slipping and loosening, and the clamping needs to be readjusted, which affects the processing progress and is in urgent need of improvement. Utility Model Content

[0003] In view of the shortcomings of the prior art, the utility model provides a gear-shaped workpiece processing table, which is used to solve the problem that the positioning device of the existing gear-shaped workpiece processing table directly clamps the gear-shaped workpiece from the outside, and the contact area between the clamp and the gear-shaped workpiece is small, which causes it to slip and loosen easily during processing and grinding.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] A gear-shaped workpiece processing table, comprising a processing table body, a slide rail is fixedly installed on the processing table body in the longitudinal direction, two vertically arranged arc-shaped positioning plates are slidably connected in the slide rail, the two arc-shaped positioning plates are symmetrically arranged front and back, and the middle parts of the two arc-shaped positioning plates are bent toward the diverging surface, the arc-shaped positioning plates are provided with transverse slide grooves penetrating front and back, each of the arc-shaped positioning plates is movably connected to at least two vertically arranged clamping blocks through the transverse slide groove, the two arc-shaped positioning plates are movably connected to the gear-shaped workpiece through the clamping blocks, and the clamping blocks are threadedly connected to positioning bolts supported on the arc-shaped positioning plates at positions away from the gear-shaped workpiece;

[0006] The front end and the rear end of the slide rail are both provided with a fixed seat fixedly mounted on the processing table body, the two fixed seats are rotatably connected with the positive and negative screw rods located inside the slide rail, the arc-shaped positioning plate is threadedly connected with the positive and negative screw rods, and the screw spiral directions of the positive and negative screw rods corresponding to the positions of the two arc-shaped positioning plates are opposite, and one end of the front side of the positive and negative screw rods passes through the fixed seat and is fixedly connected with a handwheel.

[0007] Preferably, the slide rail is embedded and installed on the processing table body, and the height of the slide rail does not exceed the table surface of the processing table body.

[0008] Preferably, the top heights of the arc-shaped positioning plate and the clamping block do not exceed the top height of the gear-shaped workpiece.

[0009] Preferably, the side of the clamping block corresponding to the gear-shaped workpiece is wedge-shaped, and the clamping block is movably clamped in the groove of the gear-shaped workpiece.

[0010] Preferably, the positive and negative thread screws are fine-thread self-locking screws.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The utility model solves the problem that the positioning device of the existing gear-shaped workpiece processing table directly clamps the gear-shaped workpiece from the outside, and the contact area between the clamp and the gear-shaped workpiece is small, which leads to easy slipping and loosening during processing and grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the local structure at the corresponding position of the gear-shaped workpiece of the utility model.

[0015] In the figure: 1. Processing table body; 2. Slide rail; 3. Arc-shaped positioning plate; 4. Horizontal slide groove; 5. Block; 6. Gear-shaped workpiece; 7. Positioning bolt; 8. Fixed seat; 9. Positive and negative threaded screw; 10. Handwheel. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] like Figure 1-2As shown, the utility model provides a technical solution: a gear-shaped workpiece processing table, comprising a processing table body 1, a slide rail 2 is fixedly installed on the processing table body 1 along the longitudinal direction, the slide rail 2 is located directly below the grinding device, the slide rail 2 is embedded and installed on the processing table body 1, and the height of the slide rail 2 does not exceed the table surface of the processing table body 1, so that the gear-shaped workpiece 6 to be ground can be directly placed on the table surface of the processing table body 1, preventing the gear-shaped workpiece 6 from slipping and displacing in the vertical direction;

[0018] Two vertically arranged arc-shaped positioning plates 3 are slidably connected in the slide rail 2. The two arc-shaped positioning plates 3 are symmetrically arranged front and back, and the middle parts of the two arc-shaped positioning plates 3 are bent toward the diverging surface. The arc-shaped positioning plates 3 are provided with transverse slide grooves 4 that penetrate front and back. Each arc-shaped positioning plate 3 is movably connected to at least two vertically arranged clamping blocks 5 through the transverse slide grooves 4. The clamping blocks 5 can be moved and adjusted along the transverse slide grooves 4 to adapt to the groove positions of gear-shaped workpieces 6 of different models, thereby improving the practicality of the processing table.

[0019] The top heights of the arc-shaped positioning plate 3 and the clamping block 5 do not exceed the top height of the gear-shaped workpiece 6 to prevent obstruction of the grinding device above. The two arc-shaped positioning plates 3 are movably clamped with the gear-shaped workpiece 6 through the clamping block 5. The side of the clamping block 5 corresponding to the gear-shaped workpiece 6 is wedge-shaped. The clamping block 5 is movably clamped in the groove of the gear-shaped workpiece 6 to increase the contact effect, thereby improving the stability of clamping and fixing. The clamping block 5 is threadedly connected to a positioning bolt 7 supported on the arc-shaped positioning plate 3 at a position away from the gear-shaped workpiece 6, which is used to lock the position after the clamping block 5 is adjusted;

[0020] The front and rear ends of the slide rail 2 are both provided with a fixed seat 8 fixedly installed on the processing table body 1. The two fixed seats 8 are rotatably connected with the positive and negative screws 9 located inside the slide rail 2. The arc positioning plate 3 is threadedly connected with the positive and negative screws 9. The thread spiral directions of the positive and negative screws 9 corresponding to the positions of the two arc positioning plates 3 are opposite. The positive and negative screws 9 are fine-tooth self-locking screws. The smaller the thread pitch of the positive and negative screws 9, the better the self-locking effect. It is not easy to loosen after the two arc positioning plates 3 are adjusted. The front end of the positive and negative screws 9 passes through the fixed seat 8 and is fixedly connected with a handwheel 10.

[0021] Working principle: The gear-shaped workpiece 6 is placed on the table surface of the processing table body 1 between the two arc-shaped positioning plates 3, and the hand wheel 10 is turned to drive the two arc-shaped positioning plates 3 to move closer to the position of the gear-shaped workpiece 6 through the positive and negative screws 9, and the position of the clamping block 5 is adjusted laterally to ensure that it is aligned with the groove of the gear-shaped workpiece 6. The position of the clamping block 5 is locked by the positioning bolt 7, and the two arc-shaped positioning plates 3 are close to each other. The clamping blocks 5 on the front and back sides of the gear-shaped workpiece 6 are clamped into the groove of the gear-shaped workpiece 6 to achieve clamping and fixing, so that the gear-shaped workpiece 6 is firmly clamped and slipping due to rotation and upward and downward displacement is avoided, which is convenient for the grinding device above to grind and polish.

[0022] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gear-shaped workpiece processing table, comprising a processing table body (1), characterized in that: A slide rail (2) is fixedly installed on the processing table body (1) in the longitudinal direction, and two vertically arranged arc-shaped positioning plates (3) are slidably connected in the slide rail (2). The two arc-shaped positioning plates (3) are symmetrically arranged front and back, and the middle parts of the two arc-shaped positioning plates (3) are bent toward the diverging surface. The arc-shaped positioning plates (3) are provided with a transverse slide groove (4) running through the front and back. Each of the arc-shaped positioning plates (3) is movably connected to at least two vertically arranged clamping blocks (5) through the transverse slide groove (4). The two arc-shaped positioning plates (3) are movably connected to the gear-shaped workpiece (6) through the clamping blocks (5), and the clamping blocks (5) are threadedly connected to positioning bolts (7) supported on the arc-shaped positioning plates (3) at positions away from the gear-shaped workpiece (6); The front and rear ends of the slide rail (2) are both provided with a fixed seat (8) fixedly mounted on the processing table body (1); the two fixed seats (8) are rotatably connected to a positive and negative threaded rod (9) located inside the slide rail (2); the arc-shaped positioning plate (3) is threadedly connected to the positive and negative threaded rod (9); the thread spiral directions of the positive and negative threaded rod (9) at the positions corresponding to the two arc-shaped positioning plates (3) are opposite; one front end of the positive and negative threaded rod (9) passes through the fixed seat (8) and is fixedly connected to a hand wheel (10).

2. The gear-shaped workpiece processing table according to claim 1, characterized in that: The slide rail (2) is embedded and installed on the processing table body (1), and the height of the slide rail (2) does not exceed the table surface of the processing table body (1).

3. The gear-shaped workpiece processing table according to claim 1, characterized in that: The top heights of the arc-shaped positioning plate (3) and the clamping block (5) do not exceed the top height of the gear-shaped workpiece (6).

4. The gear-shaped workpiece processing table according to claim 1, characterized in that: The side of the clamping block (5) corresponding to the gear-shaped workpiece (6) is wedge-shaped, and the clamping block (5) is movably clamped in the groove of the gear-shaped workpiece (6).

5. The gear-shaped workpiece processing table according to claim 1, characterized in that: The positive and negative threaded screw (9) is a fine-threaded self-locking screw.

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