A quick positioning fixture for rectangular blocks

Abstract

The utility model discloses a quick positioning fixture for a rectangular block, which includes a clamping block, a spherical screw, a gasket, a lifting rod and a spring steel sheet. The clamping block is an L-shaped block, the spring steel sheet is connected to the horizontal end of the clamping block by bolts, the spherical screw is connected with a nut, the spherical screw passes through the spring steel sheet and is locked by the nut, the gasket is arranged in the nut of the spherical screw, and the lifting rod is movably connected to the concave surface of the clamping block. Beneficial effects: its overall structure is simple, the operation is convenient and fast, and the work efficiency is greatly improved; it is suitable for the quick positioning of various square tubes and long square blocks, and also has the advantages of small size and low cost.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical clamps, in particular to an improvement of a clamp for a rectangular block. Background Art

[0002] Rectangular blocks are common workpiece shapes in machining, woodworking, metal component installation and other operations. When performing precision machining, welding or other operations on such workpieces, the primary task is to achieve fast and accurate positioning. However, traditional U-shaped clamps cannot adapt to pipe width errors, workpiece placement is difficult or the gap is too large, and traditional L-shaped clamps require one or two external force limit mechanisms, which have complex structures, large volumes and high costs. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the shortcomings of the prior art, the utility model provides a quick positioning fixture for rectangular blocks, which has the advantages of simple structure, small size and high positioning efficiency, thereby solving the problems of inability to adapt to pipe width error, difficulty in placing workpieces or excessive gaps, and traditional L-shaped clamps requiring one or two external force limiting mechanisms, which have complex structures, large sizes and high costs.

[0005] (II) Technical solution

[0006] In order to achieve the above advantages of simple structure, small size and high positioning efficiency, the specific technical solutions adopted by the utility model are as follows:

[0007] A quick positioning fixture for a rectangular block comprises a clamping block, a spherical screw, a gasket, a lifting rod and a spring steel sheet. The clamping block is an L-shaped block. The spring steel sheet is connected to the horizontal end of the clamping block by bolts. The spherical screw is connected with a nut. The spherical screw passes through the spring steel sheet and is locked by the nut. The gasket is arranged in the nut of the spherical screw. The lifting rod is movably connected to the concave surface of the clamping block.

[0008] Furthermore, a locking top screw is provided on the clamping block, and the locking top screw extends to the outside of the lifting rod. A positioning pin hole is provided in the clamping block, and the positioning pin hole is located below the spherical screw.

[0009] Furthermore, a fastening bolt is arranged below the spherical screw rod, and the fastening bolt passes through the spherical screw rod and is connected to the horizontal end of the clamping block.

[0010] Furthermore, a lifting surface is provided at the upper end of the lifting rod, an adjustment hole is provided in the lifting surface, and a thread is provided on the outside of the lifting rod.

[0011] Furthermore, a positioning protrusion for facilitating the positioning of the rectangular block is also provided on the inner side of the clamping block.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the utility model provides a quick positioning fixture for a rectangular block, which has the following beneficial effects:

[0014] It has a simple overall structure, convenient and quick operation, and greatly improves work efficiency; it is suitable for the rapid positioning of various square tubes and long square blocks. The rectangular block is placed in the clamping block, and the bottom lifting rod adjusts the rectangular block to the ideal position. The ball screw contacts one end of the rectangular block and the other end fits the L surface of the clamping block. The locking top screw locks the lifting rod to limit the position. The locking top screw prevents the lifting rod from sliding due to long-term use. The positioning pin hole can be installed with a positioning pin to cooperate with the lifting rod to fix the square tube and the long square block. It also has the advantages of small size and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] 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.

[0016] Figure 1 It is one of the structural schematic diagrams of the utility model;

[0017] Figure 2 This is the second structural diagram of the utility model;

[0018] Figure 3 It is a top view of the utility model

[0019] Figure 4 It is a side view of the utility model;

[0020] Figure 5 It is a bottom view of the utility model;

[0021] Figure 6 It is the use principle diagram of the utility model.

[0022] In the figure: a clamping block 1, a ball screw 2, a gasket 3, a lifting rod 4, a spring steel sheet 5, a nut 21, a locking top screw 11, a positioning pin hole 12, a positioning protrusion 13, and a fastening bolt 22. 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 rectangular block is provided.

[0025] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-5 As shown, a quick positioning fixture for a rectangular block according to an embodiment of the utility model comprises a clamping block 1, a ball screw 2, a gasket 3, a lifting rod 4 and a spring steel sheet 5. The clamping block 1 is an L-shaped block. The spring steel sheet 5 is connected to the horizontal end of the clamping block 1 by bolts. The ball screw 2 is connected with a nut 21. The ball screw 2 passes through the spring steel sheet 5 and is locked by the nut 21. The gasket 3 is set in the nut of the ball screw 2. The lifting rod 4 is movably connected to the concave surface of the clamping block 1. By placing the rectangular block in the clamping block 1, the bottom lifting rod 4 adjusts the rectangular block to the ideal position, and the ball screw 2 contacts one end of the rectangular block to limit the position, and the other end fits the L surface of the clamping block 1.

[0026] In one embodiment, the clamp block 1 is provided with a locking top screw 11, which extends to the outside of the lifting rod 4, and the locking top screw 11 locks and limits the lifting rod 4. The locking top screw 11 prevents the lifting rod 4 from sliding due to long-term use. The clamp block 1 is provided with a positioning pin hole 12, and the positioning pin hole 12 is located below the ball screw 2. A positioning pin can be installed in the positioning pin hole 12 to match the lifting rod 4 to fix the square tube and the long square block.

[0027] In one embodiment, a fastening bolt 22 is disposed below the spherical screw 2 , and the fastening bolt 22 passes through the spherical screw 2 and is connected to the horizontal end of the clamping block 1 .

[0028] In one embodiment, a lifting surface is provided at the upper end of the lifting rod 4, an adjustment hole is provided in the lifting surface, and a thread is provided on the outside of the lifting rod 4. The height of the lifting rod 4 can be adjusted by rotating the adjustment hole.

[0029] In one embodiment, the inner side of the clamp block 1 is also provided with a positioning protrusion 13 for facilitating the positioning of the rectangular block. The positioning protrusion 13 and the spherical screw 2 are used to fix the square tube and the long rectangular block.

[0030] Working principle: Place the rectangular block in the clamping block 1, and adjust the rectangular block to the ideal position with the bottom lifting rod 4. The upper end of the lifting rod 4 is provided with a lifting surface, and the lifting surface is provided with an adjustment hole. The outside of the lifting rod 4 is provided with a thread. The lifting rod 4 can be conveniently rotated and adjusted in height through the adjustment hole. The ball screw 2 contacts one end of the rectangular block and the other end fits the L surface of the clamping block 1. The locking top screw 11 locks and limits the lifting rod 4. The locking top screw 11 prevents the lifting rod 4 from sliding due to long-term use. The positioning pin hole 12 is located below the ball screw 2. A positioning pin can be installed in the positioning pin hole 12 to cooperate with the lifting rod 4 to fix the square tube and the long rectangular block.

[0031] 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.

[0032] 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 a rectangular block, characterized in that: The invention comprises a clamping block (1), a spherical screw (2), a gasket (3), a lifting rod (4) and a spring steel sheet (5). The clamping block (1) is an L-shaped block. The spring steel sheet (5) is connected to the horizontal end of the clamping block (1) by bolts. The spherical screw (2) is connected to a nut (21). The spherical screw (2) passes through the spring steel sheet (5) and is locked by the nut (21). The gasket (3) is arranged in the nut of the spherical screw (2). The lifting rod (4) is movably connected to the concave surface of the clamping block (1).

2. A quick positioning fixture for a rectangular block according to claim 1, characterized in that: The clamp block (1) is provided with a locking top screw (11), and the locking top screw (11) extends to the outside of the lifting rod (4). The clamp block (1) is provided with a positioning pin hole (12), and the positioning pin hole (12) is located below the spherical screw (2).

3. A quick positioning fixture for a rectangular block according to claim 1, characterized in that: A fastening bolt (22) is arranged below the spherical screw rod (2), and the fastening bolt (22) passes through the spherical screw rod (2) and is connected to the horizontal end of the clamping block (1).

4. A quick positioning fixture for a rectangular block according to claim 1, characterized in that: The upper end of the lifting rod (4) is provided with a lifting surface, an adjustment hole is provided in the lifting surface, and the outside of the lifting rod (4) is provided with a thread.

5. The quick positioning fixture for a rectangular block according to claim 1, characterized in that: The inner side of the clamping block (1) is also provided with a positioning protrusion (13) for facilitating the positioning of the rectangular block.

Images