Fixing and clamping tool

Abstract

A fixing and clamping tool comprises a left clamping body, a right clamping body and a screw rod, the left clamping body and the right clamping body are respectively of a bending structure composed of a front arm and a rear arm, the bending direction of the front arm of the left clamping body is opposite to that of the front arm of the right clamping body, and the end of the front arm of the left clamping body and the end of the front arm of the right clamping body are respectively provided with a clamping block. The left clamping body rear arm is shorter than the right clamping body rear arm, the left clamping body rear arm is hinged to the middle of the right clamping body rear arm through a hinged shaft, the bent end of the left clamping body is hinged to one end of the screw rod, the end of the right clamping body rear arm is in threaded connection with the screw rod, and a handle for rotation is arranged at the other end of the screw rod.

Description

TECHNICAL FIELD

[0001] The present application relates to manufacturing fixture technology, in particular to a fixed clamping tool. BACKGROUND

[0002] There are many forms of clamping and fixing of parts, and the parts are fastened according to the working scene and use requirements. There are many fastening methods, such as internal hexagonal bolt pressing, external hexagonal bolt block pressing, channel clamp pressing, vice pressing, etc. The conventional method is to use bolts, blocks, pressing plates, channel clamps, etc. to fix the parts on the workbench surface of the equipment or on the special fixture. During the manufacturing process of product hole drilling or shape inspection, it is often necessary to drill holes according to the drilling template, and it is necessary to clamp the drilling template and the product, or to clamp the detection template and the product. The clamping structure in the prior art cannot meet this requirement well. SUMMARY

[0003] According to the actual production requirements and the deficiencies of the prior art, the purpose of the present application is to provide a fixed clamping tool.

[0004] A fixed clamping tool, characterized in that it comprises a left clamping body, a right clamping body and a screw rod, the left clamping body and the right clamping body are respectively composed of a front arm and a rear arm, the bending directions of the left clamping body front arm and the right clamping body front arm are opposite, a clamping block is arranged at the end of the left clamping body front arm and the end of the right clamping body front arm respectively, the left clamping body rear arm is shorter than the right clamping body rear arm, the left clamping body rear arm is hinged to the middle of the right clamping body rear arm through a hinge shaft, the bending end of the left clamping body is hinged to one end of the screw rod, the end of the right clamping body rear arm is threadedly connected with the screw rod, and the other end of the screw rod is provided with a handle for rotation.

[0005] The end of the left clamping body front arm and the end of the right clamping body front arm are respectively a double-ear structure, and the clamping block is hinged between the double-ear structures through a pin shaft.

[0006] The clamping block is a square block, a through hole penetrating through the left and right sides is arranged on the clamping block, the through hole is hinged between the double-ear structures of the left clamping body front arm end and the right clamping body front arm end through a pin shaft, the clamping block can rotate flexibly around the pin shaft, and a "cross key groove" structure is arranged on the other four working surfaces of the clamping block.

[0007] The bending end of the left clamping body is a double-ear structure, and a first horizontal shaft is arranged between the double-ear structures of the bending end of the left clamping body, and the first horizontal shaft is connected with the end of the screw rod.

[0008] The end of the right clamping body rear arm is a double-ear structure, and a second horizontal shaft is arranged between the double-ear structures of the end of the right clamping body rear arm, a vertical threaded hole is arranged on the second horizontal shaft, and the second horizontal shaft is threadedly connected with the screw rod through the threaded hole.

[0009] In use, the screw rod is rotated by the handle, the right clamping body rear arm end head is driven to climb or descend along the screw thread of the screw rod, the left and right clamping body forearm end heads are closed or opened, and the purpose of clamping or loosening the workpiece is achieved. When the right clamping body rear arm end head climbs along the screw rod, the left clamping body forearm end head and the right clamping body forearm end head approach each other to clamp; when the right clamping body rear arm end head descends along the screw rod, the left clamping body forearm end head and the right clamping body forearm end head are away from each other to open.

[0010] The fixed clamping tool provided by the application can conveniently clamp a drill jig template or a detection template together with a product, and the working surface of the clamping block of the left clamping body forearm end head and the right clamping body forearm end head can be adjusted according to the surface of the clamped product. The fixed clamping tool provided by the application can be used for clamping when a jig template is needed to make a hole, draw a line, or check the shape of a part according to actual production requirements and on-site conditions, is convenient to operate, reduces the risk of the tool (the jig template) in the use process, avoids product quality problems caused by improper use of the jig template, solves the risk factors of the jig template in the operation process, and has important significance for the popularization and application of the product fastening mode in the part manufacturing link.

[0011] The application will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a fixed clamping tool structure diagram.

[0013] Figure 2 It is a fixed clamping tool structure side view diagram.

[0014] Figure 3 It is a clamping block working surface structure diagram.

[0015] The number in the figure is explained as follows: 1 handle, 2 screw rod, 3 left clamping body, 4 right clamping body, 5 hinge shaft, 6 pin shaft, 7 clamping block, 8 first horizontal shaft, 9 second horizontal shaft, and 10 cross key groove. DETAILED DESCRIPTION

[0016] Referring to the accompanying drawings, the fixed clamping tool of the application contains a left clamping body 3, a right clamping body 4, and a screw rod 2. The left clamping body 3 and the right clamping body 4 are respectively composed of a forearm and a rear arm, the bending directions of the left clamping body 3 forearm and the right clamping body 4 forearm are opposite, a clamping block 7 is arranged at the end of the left clamping body 3 forearm and the end of the right clamping body 4 forearm respectively, the left clamping body 3 rear arm is shorter than the right clamping body 4 rear arm, the left clamping body 3 rear arm is hingedly connected to the middle part of the right clamping body 4 rear arm through a hinge shaft 5, the bending end of the left clamping body 3 is hingedly connected to one end of the screw rod 2, the right clamping body 4 rear arm end head is threadedly connected to the screw rod 2, and the other end of the screw rod 2 is provided with a handle 1 for rotation.

[0017] The left clamping body 3 and the right clamping body 4 are respectively a double-ear structure, and the clamping block 7 is hinged between the double-ear structures through a pin shaft 6.

[0018] The clamping block is a square block, and a through hole is arranged on the clamping block and penetrates through the left and right sides, the through hole is hinged between the double-ear structures of the left clamping body 3 and the right clamping body 4 through a pin shaft, the clamping block can rotate flexibly around the pin shaft, and "cross key groove" structures are respectively arranged on the other four working surfaces of the clamping block.

[0019] The bending end of the left clamping body is a double-ear structure, and a first horizontal shaft is arranged between the double-ear structures of the bending end of the left clamping body, and the first horizontal shaft is connected with the end of the screw rod.

[0020] The right clamping body 4 is a double-ear structure, and a second horizontal shaft is arranged between the double-ear structures of the right clamping body 4, a vertical threaded hole is arranged on the second horizontal shaft, and the second horizontal shaft is threadedly connected with the screw rod through the threaded hole.

[0021] In use, the screw rod is rotated through the handle, the right clamping body 4 rear arm end head is driven to climb or descend along the screw thread of the screw rod, the left clamping body 3 and the right clamping body 4 front arm end heads are closed or opened, and the purpose of clamping or loosening the workpiece is achieved. When the right clamping body 4 rear arm end head climbs along the screw rod, the left clamping body 3 and the right clamping body 4 front arm end heads are close to each other and clamped, and when the right clamping body 4 rear arm end head descends along the screw rod, the left clamping body 3 and the right clamping body 4 front arm end heads are away from each other and opened.

Claims

1. A fixture clamping tool, characterized by The utility model relates to a left clamping body, right clamping body and screw rod, the left clamping body and right clamping body are respectively composed of the bending structure of forearm and rear arm, the bending direction of left clamping body forearm and right clamping body forearm is opposite, is equipped with a clamping block at left clamping body forearm end and right clamping body forearm end respectively, left clamping body rear arm is shorter than right clamping body rear arm, left clamping body rear arm is hinged in the middle part of right clamping body rear arm through hinge shaft, the bending end of left clamping body is hinged with one end of screw rod, and right clamping body rear arm end is connected with screw rod threadedly, and the other end of screw rod is equipped with handle for rotating.

2. The fixture of claim 1, wherein The left clamping body forearm end and right clamping body forearm end are respectively a double-ear structure, and the clamping block is hinged between the double-ear structures through a pin shaft.

3. The fixture of claim 2, wherein The clamping block is a square block, and a through hole is arranged on the clamping block and penetrates through the left and right sides, the through hole is hinged between the double-ear structures of the left clamping body forearm end and right clamping body forearm end through a pin shaft, the clamping block can rotate around the pin shaft, and "cross key groove" structures are respectively arranged on the other four working surfaces of the clamping block.

4. A fixture clamping tool according to claim 1 or 2 or 3, characterized in that The bending end of the left clamping body is a double-ear structure, and a first horizontal shaft is arranged between the double-ear structures of the bending end of the left clamping body, and the first horizontal shaft is connected with the end of the screw rod.

5. The fixture of claim 1, 2 or 3, wherein The right clamping body rear arm end is a double-ear structure, and a second horizontal shaft is arranged between the double-ear structures of the right clamping body rear arm end, a vertical threaded hole is arranged on the second horizontal shaft, and the second horizontal shaft is threadedly connected with the screw rod through the threaded hole.

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