Quick centering tool clamp

By designing fast centering tool fixtures, the slidingly connected centering clamping block and driving screw are used to coordinate movement, the problems of long adjustment time and unstable clamping effect of the traditional centering method are solved, achieving more efficient production and more stable product quality.

CN222971985UActive Publication Date: 2025-06-13QINGDAO RUICHUANG MOULD CO LTD
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Patent Information

Application Number
CN202422004046.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-19
Publication Date
2025-06-13
Estimated Expiration
2034-08-19

AI Technical Summary

Technical Problem

In traditional mechanical processing, the centering method relies on manual experience or simple machinery, which leads to long adjustment time and unstable clamping effect, affecting production efficiency and product quality.

Method used

A fast centering tool clamp is designed, and the fast and stable centering of the workpiece is achieved by providing slidingly connected first and second centering clamping blocks on the base, and driving the clamping blocks with a driving screw with a regular wire and a reverse wire to drive the clamping blocks for linkage movement.

Benefits of technology

Compared with traditional methods, the adjustment time of fast centering tool fixtures is shorter, the clamping effect is more stable, and the production efficiency and product quality are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of machining, in particular to a quick centering tool clamp which comprises a base, two first centering clamping blocks which are arranged on the base in parallel and connected with the base in a sliding mode, and two second centering clamping blocks which are arranged between the two first centering clamping blocks in parallel and connected with the base in a sliding mode. A first driving assembly for driving the two second centering clamping blocks to be linked is arranged on the base, a containing area is arranged below the first driving assembly, bosses extending into the containing area are arranged on the two first centering clamping blocks, and a second driving assembly for driving the two first centering clamping blocks to be linked is arranged in the containing area. Compared with a traditional mode of bench clamp fixing, metering straightening and centering for workpiece centering, the adjusting time is shorter, the clamping effect is more stable, and the production efficiency and the product quality are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a rapid centering fixture. Background Art

[0002] Batch parts usually refer to parts or products that are produced and processed in a certain quantity. These batch parts have the same specifications, dimensions and performance requirements to facilitate standardized, automated and efficient production processes.

[0003] In the mechanical processing industry, especially for the production and processing of batch parts, centering is often used to reduce processing errors. The centering of the workpiece is a crucial step before processing, which is directly related to the accuracy and quality of subsequent processing. Traditional centering methods mostly rely on manual experience or simple mechanical devices, such as vise fixation, table straightening, and centering of the workpiece. This centering method has problems such as long adjustment time, unstable clamping effect, and high skill requirements for operators, resulting in low processing efficiency and difficulty in improving the yield rate, affecting production efficiency and product quality. Based on this, a quick centering fixture is provided. Summary of the invention

[0004] In view of the shortcomings of the above-mentioned prior art, a quick centering fixture is provided. Compared with the traditional methods of fixation with a vise, straightening with a gauge, and centering of the workpiece, the adjustment time is shorter and the clamping effect is more stable, thereby improving production efficiency and product quality.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is a quick centering tooling fixture, including a base, on which two first centering clamping blocks slidably connected to the base are arranged in parallel, and between the two first centering clamping blocks, two second centering clamping blocks slidably connected to the base are arranged in parallel, and a first driving component for driving the two second centering clamping blocks in linkage is provided on the base, and an accommodating area is provided below the first driving component, and both the two first centering clamping blocks are provided with a boss extending into the accommodating area, and a second driving component for driving the two first centering clamping blocks in linkage is provided in the accommodating area.

[0006] The above-mentioned quick centering fixture, the first driving assembly includes two first positioning plates respectively arranged in the middle of two corresponding side surfaces of the base, and a first driving screw with positive and negative threads passing through the two first positioning plates and the second centering clamping blocks, and a first threaded cavity is provided on the two second centering clamping blocks.

[0007] The above-mentioned quick centering fixture, the second drive assembly includes two second positioning plates correspondingly arranged in the middle of the other two corresponding side surfaces of the base, and a second drive screw with positive and negative threads passing through the two second positioning plates and two bosses, and a second threaded cavity is provided on the two bosses.

[0008] For the above-mentioned quick centering tooling fixture, first guiding inclined grooves are correspondingly arranged below the two first centering clamping blocks, and second guiding inclined grooves adapted to the first guiding inclined grooves are correspondingly arranged at the bottoms of the first centering clamping blocks.

[0009] For the above-mentioned quick centering tooling fixture, dovetail grooves are correspondingly arranged below the two second centering clamping blocks, and dovetail blocks adapted to the dovetail grooves are arranged at the bottoms of the two second centering clamping blocks.

[0010] For the above-mentioned quick centering tooling fixture, positioning bearings are arranged on both the first positioning plate and the second positioning plate.

[0011] For the above-mentioned quick centering tooling fixture, handwheels are arranged on both the first driving screw rod and the second driving screw rod.

[0012] For the above-mentioned quick centering tooling fixture, both the first driving screw rod and the second driving screw rod are trapezoidal screw rods.

[0013] The beneficial effect of a quick centering tooling fixture of the present utility model is that by arranging two first centering clamping blocks slidably connected to the base, arranging two second centering clamping blocks slidably connected to the base in parallel between the two first centering clamping blocks, and driving by the first driving screw rod and the second driving screw rod with positive threads and reverse threads, the first centering clamping blocks and the second centering clamping blocks move simultaneously for centering. Compared with the traditional method of fixing with a bench vice, aligning by dial indicator, and centering, the adjustment time is shorter, the clamping effect is more stable, and the production efficiency and product quality are improved. Description of the Drawings

[0014] Figure 1 is a structural schematic diagram of the present utility model;

[0015] Figure 2 is a structural schematic diagram of the connection between the second positioning plate and the base;

[0016] Figure 3 is Figure 2 a partial enlarged view of part A in

[0017] Figure 4 is a front view of the second centering clamping block;

[0018] Figure 5 is a structural schematic diagram of the second positioning plate. Detailed Embodiments

[0019] The present utility model will be described in detail below with reference to the drawings and specific embodiments.

[0020] As Figures 1-5As shown, a quick centering fixture comprises a base 1, on which two first centering clamping blocks 2 slidably connected to the base 1 are arranged in parallel, between the two first centering clamping blocks 2, two second centering clamping blocks 3 slidably connected to the base 1 are arranged in parallel, a first driving component for driving the two second centering clamping blocks 3 in linkage is provided on the base 1, a accommodating area 4 is provided below the first driving component, a boss 5 extending into the accommodating area 4 is provided on the two first centering clamping blocks 2, and a second driving component for driving the two first centering clamping blocks 2 in linkage is provided in the accommodating area 4.

[0021] The first driving assembly includes two first positioning plates 6 respectively arranged at the middle of two corresponding side surfaces of the base 1, and a first driving screw 7 with positive and negative threads passing through the two first positioning plates 6 and the second centering clamping block 3, and a first threaded cavity is provided on the two second centering clamping blocks 3.

[0022] The second driving assembly includes two second positioning plates 8 correspondingly arranged at the middle of the other two corresponding side surfaces of the base 1, and a second driving screw 9 with positive and negative threads penetrating the two second positioning plates 8 and the two bosses 5, and a second threaded cavity is arranged on the two bosses 5. The first driving screw 7 and the second driving screw 9 are both trapezoidal screws. When using trapezoidal screws, looseness is not easy to occur during processing.

[0023] A first guiding bevel 10 is provided correspondingly below the two first centering clamping blocks 2, and a second guiding bevel 11 adapted to the first guiding bevel 10 is provided correspondingly at the bottom of the first centering clamping block 2. A dovetail groove is provided correspondingly below the two second centering clamping blocks 3, and a dovetail block 12 adapted to the dovetail groove is provided at the bottom of the two second centering clamping blocks 3. The operation accuracy of the two first centering clamping blocks 2 and the two second centering clamping blocks 3 is ensured.

[0024] By setting two first centering clamping blocks 2 which are slidably connected to the base 1, and setting two second centering clamping blocks 3 which are slidably connected to the base 1 in parallel between the two first centering clamping blocks 2, and driving the first driving screw 7 and the second driving screw 9 which have positive and negative threads, the first centering clamping block 2 and the second centering clamping block 3 are moved simultaneously for centering. Compared with the traditional method of fixing with a vise, aligning with a gauge, and centering the workpiece, this centering method has a shorter adjustment time and a more stable clamping effect, thereby improving production efficiency and product quality.

[0025] In order to improve the rotation efficiency of the first driving screw 7 and the second driving screw 9 , positioning bearings 13 are provided on the first positioning plate 6 and the second positioning plate 8 .

[0026] In order to improve the rotation convenience of the first driving screw 7 and the second driving screw 9, hand wheels are provided on the first driving screw 7 and the second driving screw 9.

[0027] Certainly, the above description is not a limitation to the present utility model, nor is the present utility model limited to the above examples. Changes, modifications, additions or substitutions made by those of ordinary skill in the art within the scope of the essence of the present utility model shall also fall within the protection scope of the present utility model.

Claims

1. A quick centering fixture, characterized in that: It includes a base, on which two first centering clamping blocks slidably connected to the base are arranged in parallel, between the two first centering clamping blocks, two second centering clamping blocks slidably connected to the base are arranged in parallel, a first driving component for driving the two second centering clamping blocks in linkage is arranged on the base, a accommodating area is arranged below the first driving component, both of the two first centering clamping blocks are provided with a boss extending into the accommodating area, and a second driving component for driving the two first centering clamping blocks in linkage is arranged in the accommodating area.

2. The rapid centering fixture according to claim 1 is characterized in that: The first driving assembly includes two first positioning plates respectively arranged at the middle of two corresponding side surfaces of the base, and a first driving screw with positive and negative threads passing through the two first positioning plates and the second centering clamping blocks, and a first threaded cavity is provided on the two second centering clamping blocks.

3. The rapid centering fixture according to claim 2 is characterized in that: The second driving assembly includes two second positioning plates correspondingly arranged at the middle of the other two corresponding side surfaces of the base, and a second driving screw with positive and negative threads penetrating the two second positioning plates and two bosses, and a second threaded cavity is arranged on the two bosses.

4. The rapid centering fixture according to claim 3 is characterized in that A first guiding bevel groove is correspondingly arranged below the two first centering clamping blocks, and a second guiding bevel groove matching the first guiding bevel groove is correspondingly arranged at the bottom of the first centering clamping block.

5. The rapid centering fixture according to claim 4 is characterized in that: Dovetail grooves are correspondingly arranged below the two second centering clamping blocks, and dovetail blocks adapted to the dovetail grooves are arranged at the bottoms of the two second centering clamping blocks.

6. The rapid centering fixture according to claim 5 is characterized in that: Positioning bearings are arranged on the first positioning plate and the second positioning plate.

7. The rapid centering fixture according to claim 6 is characterized in that: Hand wheels are arranged on the first driving screw rod and the second driving screw rod.

8. The rapid centering fixture according to claim 7 is characterized in that: The first driving screw and the second driving screw are both trapezoidal screws.