Single-claw turning tool for machining handle workpieces

Abstract

The utility model discloses a single-claw turning tool for processing a handle type workpiece, which can automatically and quickly clamp the workpiece, is higher in clamping efficiency, can provide uniform force to clamp the workpiece, is not easy to deform, and improves the quality of the produced workpiece. The clamping device comprises a supporting table and is characterized in that a circumferential limiting structure is installed on the supporting table, a limiting hole of the circumferential limiting structure is matched with the outer contour of a workpiece to be clamped, and an axial limiting structure is arranged at the position, corresponding to the end of the workpiece to be clamped, of the side portion of the circumferential limiting structure.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning fixtures for handle-type workpieces, in particular to a single-claw lathe tool for processing handle-type workpieces. Background Art

[0002] Handle-type workpieces, commonly used in engineering equipment, require high processing precision. Existing workpiece fixtures are mostly manual fixtures. The steps for clamping the workpiece are cumbersome, time-consuming and labor-intensive, and the clamping efficiency is low. In addition, manual clamping causes uneven force on the workpiece, which makes it easy to deform and the production quality of the workpiece is poor. Utility Model Content

[0003] In view of the shortcomings of manual clamps used for clamping handle-type workpieces, which have complicated clamping steps, low processing efficiency, uneven force on the workpiece and easy deformation, the utility model provides a single-jaw lathe tooling for processing handle-type workpieces, which can automatically and quickly clamp the workpiece, has high clamping efficiency, and can provide uniform force to clamp the workpiece, so the workpiece is not easily deformed, thereby improving the quality of the produced workpieces.

[0004] The utility model provides the following technical solutions:

[0005] It includes a support platform, which is characterized in that a circumferential limiting structure is installed on the support platform, the limiting hole of the circumferential limiting structure matches the outer contour of the workpiece to be clamped, and an axial limiting structure is provided on the side of the circumferential limiting structure, corresponding to the end of the workpiece to be clamped.

[0006] It is further characterized by:

[0007] The circumferential limiting structure includes a positioning block and a single claw block, and the contact surface grooves of the positioning block and the single claw block fit together to form a limiting hole to circumferentially limit the cylindrical end of the workpiece, and a moving block and a fixed seat are sequentially provided behind the tail of the single claw block, and the protruding end of the moving block is fixedly connected to the concave part of the tail end of the single claw block by a fixing bolt pair, and a sliding groove adapted to the moving block is opened on the vertical surface of the fixed seat facing the single claw block, and the moving block moves in the sliding groove of the fixed seat to drive the single claw block to move up and down, and then cooperate with the positioning block to clamp and limit the cylindrical end of the workpiece;

[0008] The axial limiting structure includes a positioning block, a positioning clamping block is provided in the middle part of the surface of the positioning block, a linkage pin is provided at the center of the vertical surface of the positioning clamping block, the protruding end of the linkage pin sequentially passes through the positioning clamping block, the positioning block, the positioning seat and the piston rod of the inner push cylinder, and the positioning clamping block presses the skirt of the workpiece against the raised surface of the positioning block head under the push of the linkage pin to form an axial limit for the workpiece;

[0009] In the circumferential positioning structure, adjustment blocks are installed on both side end surfaces of the positioning seat. The positioning blocks are clamped on the head of the positioning seat and the bottom ends of the two sides thereof are tightly fitted with vertical adjustment gaskets and horizontal adjustment gaskets.

[0010] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0011] A positioning block is provided on the axial limit structure to perform preliminary positioning of the workpiece. The positioning clamp can clamp and fix the skirt of the workpiece under the push of the oil cylinder, and realize limit fixation in the horizontal direction of the workpiece, which can maintain stable clamping of the workpiece without causing damage to the workpiece, thereby improving the clamping efficiency and ensuring the production quality of the workpiece.

[0012] The single claw block of the circumferential limit structure can press down the cylindrical end of the workpiece on the convex block of the positioning block head, and limit and fix the workpiece in the vertical direction, further improving the clamping stability. The single claw block and the positioning block form a tight fit for the cylindrical end of the workpiece, reducing the possibility of workpiece deformation and further ensuring the production quality of the workpiece.

[0013] The counterweight block installed on the cylinder table is used to increase the weight of the tooling body, maintain the balance of the tooling, and provide a guarantee for stable clamping of the workpiece;

[0014] The function of the adjustment block is to support and fix, and it can also support height adjustment, which not only further ensures the clamping stability of the workpiece, but also helps to provide the best clamping position for the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the positioning seat structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the clamping block positioning structure and clamping structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the connection structure of the clamping block positioning structure and the inner push cylinder of the utility model;

[0020] Figure 6 This is an exploded view of the clamping block positioning structure of the utility model;

[0021] Figure 7 This is an exploded view of the clamping structure of the present utility model.

[0022] Description of reference numerals:

[0023] 1, oil cylinder platform; 2, counterweight; 3, fixed seat; 4, moving block; 5, single claw block; 6, positioning block; 7, positioning clamp block; 8, connecting pin; 9, positioning seat; 10, adjusting block; 11, vertical adjusting washer; 12, horizontal adjusting washer; 13, inner push oil cylinder. DETAILED DESCRIPTION

[0024] The utility model provides a kind of single claw lathe tool for processing handle type workpiece as Figure 1-Figure 7 As shown in a kind of single claw lathe tool for processing handle type workpiece, it includes oil cylinder platform 1, oil cylinder platform 1 is installed with circumferential limiting structure, circumferential limiting structure limiting hole and the outer contour of the workpiece to be clamped match, in the side of circumferential limiting structure, corresponding the end of the workpiece to be clamped, axial limiting structure is provided;

[0025] See Figure 4 , Figure 7 Circumferential limiting structure includes positioning block 6 and single claw block 5, in the head block of positioning block 6, the downward protruding end of single claw block 5 is provided with the same groove as the upper part of positioning block 6, after the groove of the contact surface of positioning block 6 and single claw block 5 mutually fits, limiting hole is formed to the workpiece cylindrical end circumferentially limited, single claw block 5 tail rear is sequentially provided with moving block 4 and fixed seat 3, the protruding end of moving block 4 is fixedly connected with the inner recessed part of single claw block 5 tail end portion through fixed bolt pair, fixed seat 3 is provided with sliding groove matched with moving block 4 on the vertical surface towards single claw block 5, moving block 4 moves in the sliding groove of fixed seat 3 can drive single claw block 5 to move up and down to cooperate with positioning block 6 to clamp and fix the workpiece cylindrical end;

[0026] See Figure 3 , Figure 6 In circumferential limiting structure, positioning seat 9 is installed on the surface of oil cylinder platform 1, horizontal adjusting washer 12 is symmetrically installed on the top horizontal surface of positioning seat 9, vertical adjusting washer 11 is vertically installed on horizontal adjusting washer 12, positioning block 6 is clamped on the head of positioning seat 9, and the bottom end of both sides is closely attached to vertical adjusting washer 11 and horizontal adjusting washer 12, and counterweight 2 is symmetrically installed on the surface of oil cylinder platform 1 with fixed seat 3 as the center, and adjusting block 10 is installed on the end surface of both sides of positioning seat 9.

[0027] See Figure 6 Axial limiting structure includes positioning block 6, positioning clamp block is arranged on the middle part of the surface of positioning block 6, positioning block 6 is clamped on the head of positioning seat 9, and the bottom end of both sides is closely attached to vertical adjusting washer 11 and horizontal adjusting washer 12, connecting pin 8 is arranged at the center of the vertical surface of positioning clamp block 7, the protruding end of connecting pin 8 sequentially penetrates piston rod connection (see Figure 5), the piston rod of the inner push cylinder 13 extends to drive the linkage pin 8 to move, and the linkage pin 8 will drive the positioning clamp 7 to move toward the protrusion of the positioning block 6 to achieve fixed clamping of the skirt of the workpiece.

[0028] Working principle of this utility model:

[0029] Refer to the instruction manual Figure 1-Figure 7 When using the utility model, first place the workpiece on the positioning block 6, and the cylindrical end of the workpiece is close to the cylindrical groove of the convex block of the positioning block 6. Then the inner push cylinder 13 is started to make the positioning clamping block 7 clamp the skirt of the workpiece, and then the moving block 4 is moved downward to drive the single claw block 5 to clamp the cylindrical end of the workpiece downward, and processing can be carried out. The clamping efficiency is high, the positioning is accurate, the workpiece is not easy to deform, and it is beneficial to improve the production quality of the workpiece.

Claims

1. A single-jaw lathe tool for processing handle-type workpieces, comprising a support platform, characterized in that: A circumferential limiting structure is installed on the support platform, and the limiting hole of the circumferential limiting structure matches the outer contour of the workpiece to be clamped. An axial limiting structure is provided on the side of the circumferential limiting structure, corresponding to the end of the workpiece to be clamped.

2. A single-jaw lathe tool for processing handle-type workpieces according to claim 1, characterized in that: The circumferential limiting structure includes a positioning block and a single-claw block, and the contact surface grooves of the positioning block and the single-claw block fit together to form a limiting hole to circumferentially limit the cylindrical end of the workpiece. A moving block and a fixed seat are sequentially arranged behind the tail of the single-claw block, and the protruding end of the moving block is fixedly connected to the concave part of the tail end of the single-claw block by a fixing bolt pair. The fixed seat is provided with a sliding groove adapted to the moving block on the vertical surface facing the single-claw block. The moving block moves in the sliding groove of the fixed seat to drive the single-claw block to move up and down, and then cooperate with the positioning block to clamp and limit the cylindrical end of the workpiece.

3. A single-jaw lathe tool for processing handle-type workpieces according to claim 1 or 2, characterized in that: The axial limiting structure includes a positioning block, a positioning clamping block is provided in the middle part of the surface of the positioning block, and a linkage pin is provided at the center of the vertical surface of the positioning clamping block. The protruding end of the linkage pin passes through the positioning clamping block, the positioning block, the positioning seat and the piston rod of the inner push cylinder in sequence. Under the push of the linkage pin, the positioning clamping block presses the workpiece skirt against the raised surface of the positioning block head to form an axial limit for the workpiece.

4. The single-jaw lathe tool for processing handle-type workpieces according to claim 3, characterized in that: In the circumferential limiting structure, adjustment blocks are installed on both side end surfaces of the positioning seat. The positioning blocks are clamped on the head of the positioning seat and the bottom ends of the two sides thereof are tightly fitted with vertical adjustment gaskets and horizontal adjustment gaskets.

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