Quick-change type manual self-centering cable-stayed clamp

Abstract

The invention relates to the technical field of machining, in particular to a quick-change manual self-centering cable-stayed clamp which comprises a clamp body and a lower cover, a through opening and a round hole are formed in the clamp body, the lower cover is fixed to the lower end of the clamp body, and a supporting block used for supporting a workpiece is fixedly arranged at the upper end of the clamp body; the pulling mechanism is installed on the clamp body, and the pulling mechanism is connected with a clamping mechanism in a clamped mode, and the clamping mechanism is installed at the position of the round hole formed in the clamp body. According to the quick-change type manual self-centering cable-stayed clamp provided by the invention, the clamping time of a workpiece is shortened, the workpiece cannot float upwards after being clamped, the clamp adopts a centered symmetric design, so that the workpiece can be always kept at the central position of the jaw, the workpiece can be manually clamped under the condition of no air pressure or hydraulic power support, and the clamping efficiency is improved. And it can be guaranteed that the workpiece does not float upwards and is tightly attached to the supporting face, repeated clamping consistency is high, the machining precision of products is improved, operation is easy, and practicability is high.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical processing, in particular to a quick-change manual self-centering diagonal clamp. Background Art

[0002] When processing a workpiece, in order to ensure the stability of the workpiece, it is often necessary to clamp the workpiece before processing, so as to avoid positional displacement of the workpiece during processing, ensure the stability of the workpiece processing, and also ensure the safety of processing.

[0003] Although the existing self-centering clamps can clamp the workpiece, they are not diagonal and cannot ensure the parallelism of the workpiece. The clamps are large in size, have large clamping repetition errors, are not light enough, and cannot be quickly changed. Therefore, a quick-change manual self-centering diagonal clamp is needed to solve the above problems. Summary of the invention

[0004] The purpose of the embodiment of the present invention is to provide a quick-change manual self-centering oblique-pull clamp, which aims to solve the following problems: the existing clamps are not oblique-pull, which makes it impossible to ensure the parallelism of the workpiece, and the clamps are large in size, have large clamping repetition errors, are not light enough, and cannot be quickly changed.

[0005] The embodiment of the present invention is implemented as follows: a quick-change manual self-centering oblique pull clamp includes: a clamp body and a lower cover, the clamp body is provided with a through opening and a circular hole, the lower cover is fixed to the lower end of the clamp body, and the upper end of the clamp body is fixedly provided with a support block for supporting a workpiece; a pulling mechanism, which is installed on the clamp body, the pulling mechanism is clamped with a clamping mechanism installed at the circular hole opened in the clamp body, and the pulling mechanism is used to drive the clamping mechanism to clamp and fix the workpiece.

[0006] Preferably, the pulling mechanism includes: a telescopic inclined wedge block, which is slidably arranged in a through opening opened in the clamp body, a clamping block is sleeved on the telescopic inclined wedge block, and the clamping mechanism is clamped on the clamping block; a fixed plate, which is arranged on the lower cover, a spring is fixed on the fixed plate, one end of the spring away from the fixed plate is fixedly connected to the clamping block, and the spring is used to push the clamping block to move upward and reset; a screw fixing block, which is fixedly arranged on the front side of the clamp body, the screw fixing block is threadedly connected with a locking screw, the locking screw is tightly attached to the telescopic inclined wedge block, and is used to push the telescopic inclined wedge block to slide in the through opening; a tensioning inclined wedge block, which is fixed on the rear side of the clamp body and is used to guide the telescopic inclined wedge block.

[0007] Preferably, the clamping mechanism includes: two inclined rods passing through the circular hole formed in the clamp body, the two inclined rods being provided with slots through which the two inclined rods are clamped on the clamping block; and jaws fixedly mounted on the inclined rods for clamping the workpiece on the support block.

[0008] The quick-change manual self-centering oblique-pull clamp provided by the present invention reduces the clamping time of the workpiece, and the workpiece will not float up after clamping. The clamp adopts a centrally symmetrical design, so that the workpiece can always be kept in the center position of the jaws. The workpiece can be clamped manually without the support of air pressure or hydraulic power, and it can be ensured that the workpiece does not float up, is close to the supporting surface, and the consistency of repeated clamping is very high, thereby improving the processing accuracy of the product, reducing labor costs, and extending the service life. The clamp is suitable for high-precision processing, is simple to operate, and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a schematic diagram of a quick-change manual self-centering diagonal clamp.

[0010] Figure 2 Internal diagram of the quick-change manual self-centering diagonal clamp

[0011] Figure 3 Schematic diagram of the spring of the quick-change manual self-centering inclined pull clamp

[0012] Figure 4 Schematic diagram of the tensioning wedge of the quick-change manual self-centering inclined pull clamp

[0013] In the accompanying drawings: 1-clamp body, 2-lower cover, 3-support block, 4-pulling mechanism, 5-clamping mechanism, 41-telescopic inclined wedge, 42-clamping block, 43-fixing plate, 44-spring, 45-screw fixing block, 46-locking screw, 47-tensioning inclined wedge, 51-oblique pull rod, 52-jaw. DETAILED DESCRIPTION

[0014] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and do not limit the present invention.

[0015] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0016] See also Figure 1 and Figure 2 The embodiment of the present invention provides a quick-change manual self-centering diagonal clamp, the quick-change manual self-centering diagonal clamp comprising:

[0017] A clamp body 1 and a lower cover 2, wherein the clamp body 1 is provided with a through opening and a circular hole, the lower cover 2 is fixed to the lower end of the clamp body 1, and a support block 3 for supporting a workpiece is fixedly provided at the upper end of the clamp body 1; a pulling mechanism 4 is installed on the clamp body 1, and the pulling mechanism 4 is clamped with a clamping mechanism 5 installed at the circular hole provided in the clamp body 1, and the pulling mechanism 4 is used to drive the clamping mechanism 5 to clamp and fix the workpiece.

[0018] When using the quick-change manual self-centering oblique-pull clamp, first place the workpiece on the support block 3, then manually rotate the control end of the pulling mechanism 4, and the pulling mechanism 4 can move the power output end of the clamping mechanism 5 downward, so that the workpiece on the support block 3 can be pressed and fixed.

[0019] like Figure 1 , Figure 2 , Figure 3 as well as Figure 4 As shown, as a preferred embodiment of the present invention, the pulling mechanism 4 includes: a telescopic inclined wedge block 41, which is slidably arranged in the through opening opened by the clamp body 1, and the telescopic inclined wedge block 41 is sleeved with a clamping block 42, and the clamping mechanism 5 is clamped on the clamping block 42; a fixed plate 43, which is arranged on the lower cover 2, and a spring 44 is fixed on the fixed plate 43, and the end of the spring 44 away from the fixed plate 43 is fixedly connected to the clamping block 42, and the spring 43 is used to push the clamping block 42 to move upward and reset; a screw fixing block 45, which is fixedly arranged on the front side of the clamp body 1, and the screw fixing block 45 is threadedly connected with a locking screw 46, and the locking screw 46 is close to the telescopic inclined wedge block 41, and is used to push the telescopic inclined wedge block 41 to slide in the through opening; a tensioning inclined wedge block 47, which is fixed on the rear side of the clamp body 1, and is used to guide the telescopic inclined wedge block 41.

[0020] like Figure 1 As shown, as a preferred embodiment of the present invention, the clamping mechanism 5 includes: an inclined rod 51, which passes through a circular hole formed in the clamp body 1 and is provided with two, the two inclined rods 51 are provided with a card slot, and the two inclined rods 51 are clamped on the clamping block 42 through the card slot; a jaw 52, ​​which is fixedly mounted on the inclined rod 51 and is used to press and fix the workpiece on the support block 3.

[0021] After the workpiece is placed on the support block 3, the locking screw 46 is manually tightened, and the locking screw 46 moves inward along the screw fixing block 45, and the locking screw 46 can push the telescopic inclined wedge block 41 to move. The movement of the telescopic inclined wedge block 41 pushes the block 42 sleeved thereon to move downward and compress the spring 43, and the block 42 can pull the inclined rod 51 downward through the slot, and the inclined rod 51 can obliquely pull the jaws 52 downward, and the jaws 52 can press and fix the workpiece on the support block 3. In this process, tightening the oblique wedge block 47 can guide the telescopic oblique wedge block 41, and the locking screw 46 is turned in the opposite direction, and the spring 43 pushes the block 42 to move upward, and the block 42 can push the inclined rod 51 upward through the slot, and the inclined rod 51 can obliquely push the jaws 52 upward, and the jaws 52 can release the workpiece.

[0022] In summary, by manually tightening the locking screw 43, the inclined rod 51 moves obliquely downward, and then the jaws 52 press the workpiece to ensure that the workpiece is always pulled downward during the clamping process, so that the workpiece will not float up and the parallelism of the workpiece after processing is guaranteed.

[0023] 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 and improvements 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-change manual self-centering diagonal clamp, comprising a clamp body and a lower cover, characterized in that: The clamp body is provided with a through opening and a circular hole, the lower cover is fixed to the lower end of the clamp body, and the upper end of the clamp body is fixed with a support block for supporting the workpiece; The pulling mechanism is installed on the clamp body. The pulling mechanism is clamped with a clamping mechanism installed at a circular hole provided in the clamp body. The pulling mechanism is used to drive the clamping mechanism to clamp and fix the workpiece.

2. The quick-change manual self-centering diagonal clamp according to claim 1 is characterized in that: The pulling mechanism comprises: A telescopic oblique wedge block is slidably arranged in a through opening of the clamp body, a clamp block is sleeved on the telescopic oblique wedge block, and the clamping mechanism is clamped on the clamp block; A fixing plate is arranged on the lower cover, a spring is fixed on the fixing plate, one end of the spring away from the fixing plate is fixedly connected to the card block, and the spring is used to push the card block to move upward and reset; A screw fixing block is fixedly arranged on the front side of the clamp body, and a locking screw is threadedly connected to the screw fixing block, and the locking screw is close to the telescopic oblique wedge block to push the telescopic oblique wedge block to slide in the through opening; The tensioning angled wedge is fixed to the rear side of the clamp body and is used to guide the telescopic angled wedge.

3. The quick-change manual self-centering diagonal clamp according to claim 2 is characterized in that: The clamping mechanism comprises: The inclined tie rods are passed through the circular holes provided in the clamp body and are provided with two inclined tie rods, the two inclined tie rods are provided with clamping grooves, and the two inclined tie rods are clamped on the clamping block through the clamping grooves; The jaws are fixedly mounted on the inclined tie rod and are used to press and fix the workpiece on the support block.

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