A quick positioning fixture for square tubes or long rectangular blocks

By designing a fast positioning fixture for square tubes or long rectangular blocks, the coordination of the fastening block, the second fastening block and the positioning pins is used to solve the complex and time-consuming problems of traditional positioning methods, quickly positioning and adjusting the clamping force, and improving processing efficiency.

CN222696991UActive Publication Date: 2025-04-01SHANDONG BEIGONG INTELLIGENT EQUIP CO LTD
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Patent Information

Application Number
CN202421435383.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-22
Publication Date
2025-04-01
Estimated Expiration
2034-06-22

AI Technical Summary

Technical Problem

Traditional positioning methods have problems such as complex operation, long time consuming and difficult to achieve rapid replacement and positioning, and excessive clamping force may damage the workpiece.

Method used

A quick positioning fixture including a chuck, a clamp, a connecting screw, a lock nut, a high-strength spring and a positioning pin is designed. The clamping force adjustment and rapid positioning are achieved through the coordination of the fastening block, the second fastening block and the positioning pin.

Benefits of technology

The fixture can quickly position and adjust the clamping force, avoid damage to the workpiece and improve machining efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a quick positioning fixture for square tubes or long rectangular blocks, which includes a chuck, a clamping block, a connecting screw, a locking nut, a high-strength spring, and a positioning pin. The sides of the chuck and the clamping block are provided with guide holes, the high-strength spring is sleeved on the connecting screw, the connecting screw passes through the chuck and extends to the outside of the clamping block, the locking nut is equipped with a gasket and connected to the connecting screw, and the number of the positioning pins is provided in two groups, the two groups of positioning pins extend from the bottom of the chuck to the inside of the chuck, and respectively abut against the bottom of the connecting screw and the clamping block. Beneficial effects: It has the advantages of being able to adjust the clamping force and quickly position.
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Description

Technical Field

[0001] The utility model relates to the technical field of fixtures and tools, in particular to an improvement of a positioning fixture for a rectangular block. Background Art

[0002] Square tubes and long rectangular blocks are common material shapes. When precisely processing such materials, accurate positioning is required first. However, traditional positioning methods include the use of bolts, fixtures, or custom tooling. These methods are often complicated to operate, time-consuming, and difficult to achieve rapid replacement and positioning. They can also cause damage to the workpiece due to excessive clamping force. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides a quick positioning fixture for square tubes or long rectangular blocks, which has the advantages of being able to adjust the clamping force and quickly position, thereby solving the problem of difficulty in achieving quick replacement and positioning, and damage to the workpiece due to excessive clamping force.

[0005] (II) Technical solution

[0006] In order to achieve the above advantages of being able to adjust the clamping force and quickly position, the specific technical solution adopted by the utility model is as follows:

[0007] A quick positioning fixture for a square tube or a long rectangular block, comprising a chuck, a clamping block, a connecting screw, a locking nut, a high-strength spring, and a positioning pin. The sides of the chuck and the clamping block are both provided with guide holes, the high-strength spring is sleeved on the connecting screw, the connecting screw passes through the chuck and extends to the outside of the clamping block, the locking nut is equipped with a gasket and connected to the connecting screw, and the positioning pins are provided in two groups, the two groups of positioning pins extend from the bottom of the chuck to the inside of the chuck, and respectively abut against the bottom of the connecting screw and the clamping block.

[0008] Furthermore, a fastening block is arranged on the inner side of the clamp, and the clamp block is provided with a second fastening block, and the second fastening block faces the fastening block.

[0009] Furthermore, the bottom surface of the chuck is provided with positioning pin holes, two groups of positioning pin holes are respectively corresponding to the two sides of the bottom surface of the chuck, and internal threads are provided in the positioning pin holes.

[0010] Furthermore, the connecting screw is a hexagon socket bolt, which is inserted into the guide hole.

[0011] Furthermore, the locking nut is a locking nut.

[0012] Furthermore, the guide hole is a T-shaped slot, and the high-strength spring is limited in the T-shaped slot.

[0013] Furthermore, the exterior of the positioning pin is provided with an external thread.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a quick positioning fixture for a square tube or a long rectangular block, which has the following beneficial effects:

[0016] The square tube or the long rectangular block is clamped by the fastening block and the second fastening block, the locating pin is set in the locating pin hole, the connecting screw and the clamping block are positioned, the T-slot limits the high-strength spring, so that the high-strength spring elastically expands and contracts to generate clamping force, the square tube or the long rectangular block is placed in the adjusting chuck and the clamping block, and the clamping force of the square tube or the long rectangular block is controlled by pulling the connecting screw, which has the advantages of being able to adjust the clamping force and quickly position. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the connecting screw 3 of the utility model;

[0020] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the use of the utility model.

[0022] In the figure: a chuck 1, a clamping block 2, a connecting screw 3, a locking nut 4, a high-strength spring 5, a positioning pin 6, a fastening block 11, a second fastening block 21, and a positioning pin hole 12. DETAILED DESCRIPTION

[0023] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0024] According to an embodiment of the utility model, a quick positioning fixture for a square tube or a long rectangular block is provided.

[0025] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-3 As shown, according to an embodiment of the utility model, a quick positioning clamp for a square tube or a long rectangular block is provided, which includes a chuck 1, a clamp block 2, a connecting screw 3, a locking nut 4, a high-strength spring 5, and a positioning pin 6. The sides of the chuck 1 and the clamp block 2 are provided with guide holes 7, the high-strength spring 5 is sleeved on the connecting screw 3, the connecting screw 3 passes through the chuck 1 and extends to the outside of the clamp block 2, the locking nut 4 is equipped with a gasket and connected to the connecting screw 3, and the number of the positioning pins 6 is provided in two groups, and the two groups of positioning pins 6 extend from the bottom of the chuck 1 to the inside of the chuck 1, and respectively abut against the bottom of the connecting screw 3 and the clamp block 2.

[0026] In one embodiment, a fastening block 11 is disposed inside the clamp 1, and a second fastening block 21 is disposed on the clamp block 2, and the second fastening block 21 faces the fastening block 11. The fastening block 11 and the second fastening block 21 are used to clamp the square tube or the long rectangular block.

[0027] In one embodiment, the bottom surface of the chuck 1 is provided with positioning pin holes 12, two groups of positioning pin holes 12 are respectively corresponding to the two sides of the bottom surface of the chuck 1, and internal threads are provided in the positioning pin holes 12. The positioning pin 6 is provided in the positioning pin hole 12 to position the connecting screw 3 and the clamp block 2.

[0028] In one embodiment, the connecting screw 3 is a hexagon socket bolt, which is inserted into the guide hole 7 .

[0029] In one embodiment, the locking nut 4 is a locking nut. The locking nut 4 is connected to the connecting screw 3 to realize the clamping space between the chuck 1 and the clamp block 2.

[0030] In one embodiment, the guide hole 7 is a T-shaped slot, and the high-strength spring 5 is limited in the T-shaped slot. The T-shaped slot limits the high-strength spring 5, so that the high-strength spring 5 elastically expands and contracts.

[0031] In one embodiment, the exterior of the positioning pin 6 is provided with an external thread. The external thread cooperates with the internal thread to enable the positioning pin 6 to be installed in the chuck 1.

[0032] Working principle: By extending the connecting screw 3 through the chuck 1 to the outside of the clamping block 2, the locking nut 4 is equipped with a gasket and connected to the connecting screw 3, and two groups of locating pins 6 are provided. The two groups of locating pins 6 extend from the bottom of the chuck 1 to the inside of the chuck 1, respectively abutting against the bottom of the connecting screw 3 and the clamping block 2, and clamping the square tube or the long rectangular block through the fastening block 11 and the second fastening block 21. The locating pin 6 is set in the locating pin hole 12 to position the connecting screw 3 and the clamping block 2, and the T-slot limits the high-strength spring 5 so that the high-strength spring 5 elastically expands and contracts to generate a clamping force, and the square tube or the long rectangular block is placed in the adjusting chuck 1 and the clamping block 2. The clamping force of the connecting screw 3 on the square tube or the long rectangular block is controlled by pulling the connecting screw 3.

[0033] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A quick positioning fixture for square tubes or long rectangular blocks, characterized in that: It comprises a chuck (1), a clamping block (2), a connecting screw (3), a locking nut (4), a high-strength spring (5), and a positioning pin (6). The sides of the chuck (1) and the clamping block (2) are both provided with guide holes (7). The high-strength spring (5) is sleeved on the connecting screw (3). The connecting screw (3) passes through the chuck (1) and extends to the outside of the clamping block (2). The locking nut (4) is provided with a gasket and is connected to the connecting screw (3). The positioning pin (6) is provided in two groups. The two groups of positioning pins (6) extend from the bottom of the chuck (1) to the inside of the chuck (1) and respectively abut against the bottom of the connecting screw (3) and the bottom of the clamping block (2).

2. A quick positioning fixture for a square tube or a long rectangular block according to claim 1, characterized in that: A fastening block (11) is arranged on the inner side of the clamp (1), and a second fastening block (21) is arranged on the clamp block (2), wherein the second fastening block (21) faces the fastening block (11).

3. A quick positioning fixture for a square tube or a long rectangular block according to claim 1, characterized in that: The bottom surface of the chuck (1) is provided with positioning pin holes (12), two groups of positioning pin holes (12) are respectively corresponding to the two sides of the bottom surface of the chuck (1), and the positioning pin holes (12) are provided with internal threads.

4. A quick positioning fixture for a square tube or a long rectangular block according to claim 1, characterized in that: The connecting screw rod (3) is a hexagon socket bolt, and the hexagon socket bolt is inserted into the guide hole (7).

5. The quick positioning fixture for a square tube or a long rectangular block according to claim 1, characterized in that: The locking nut (4) is a locking nut.

6. A quick positioning fixture for a square tube or a long rectangular block according to claim 1, characterized in that: The guide hole (7) is a T-shaped slot, and the high-strength spring (5) is limited in the T-shaped slot.

7. A quick positioning fixture for a square tube or a long rectangular block according to claim 1, characterized in that: The exterior of the positioning pin (6) is provided with an external thread.