Clamp structure

Abstract

The utility model relates to the technical field of clamps, in particular to a clamp structure which comprises a frame body, a placing plate, two clamping blocks, a first spring and a clamping mechanism, the placing plate is provided with a groove, the clamping mechanism comprises an air cylinder, a driving piece, a cam, a rectangular frame, a transverse plate, two connecting blocks, two sliding blocks, two connecting pieces and two clamping plates, the frame body is provided with two sliding grooves, and the clamping blocks are arranged in the sliding grooves. The air cylinder is installed on the frame body, the output end of the air cylinder is fixedly connected with the containing plate, the two sliding blocks are slidably connected with the corresponding sliding grooves respectively, the connecting pieces are arranged between the corresponding sliding blocks and the clamping plates, one ends of the two connecting blocks are hinged to the corresponding sliding blocks respectively, the other ends of the two connecting blocks are hinged to the transverse plate, and the rectangular frame is fixedly connected with the transverse plate. The rectangular frame is provided with the abutting groove, the driving piece is arranged on the frame body, the output end of the driving piece is fixedly connected with the cam, the cam is matched with the abutting groove, in this way, a workpiece can be clamped and fixed more conveniently, and the fixing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a clamp structure. Background Art

[0002] When processing the inner hole of the insert, a fixture is needed to fix the insert to be processed. The fixture has a single fixed structure, which is not convenient for simultaneously applying to products of different specifications and models. It is not flexible enough to use, resulting in high production costs.

[0003] In response to the above problems, the prior art patent publication number CN212600418U discloses a milling machine clamp for inner hole processing. When using the milling machine clamp for inner hole processing, the product can be initially fixed with a pressing piece, and then the product can be fixed with bolts and clamps. The bolts and clamps are bidirectionally adjustable and can be applicable to products of different specifications and models, thereby reducing production costs, being flexible in use, having a simple structure, and being easy to operate.

[0004] However, in the above method, it is necessary to manually turn the adjusting bolt to drive the clamping plate to clamp and fix the workpiece, resulting in a slow fixing efficiency. Utility Model Content

[0005] The utility model aims to provide a clamp structure, aiming to solve the technical problem in the prior art that the adjusting bolt needs to be manually screwed to drive the clamping plate to clamp and fix the workpiece, resulting in low fixing efficiency.

[0006] To achieve the above-mentioned purpose, the utility model adopts a clamp structure, including a frame, a placement plate, two clamping blocks, a first spring and a clamping mechanism, the placement plate is provided with a groove, the two clamping blocks are slidably connected to the groove, the two ends of the first spring are respectively fixedly connected to the corresponding clamping blocks, the clamping mechanism includes a cylinder, a driving member, a cam, a rectangular frame, a cross plate, two connecting blocks, two sliders, two connecting members and two clamping plates, the frame is provided with two slide grooves, the cylinder is installed on the frame, the output end of the cylinder is fixedly connected to the placement plate, the two sliders are respectively slidably connected to the corresponding slide grooves, the connecting member is arranged between the corresponding slider and the clamping plate, one end of the two connecting blocks is hinged to the corresponding slider, the other end of the two connecting blocks is hinged to the cross plate, the rectangular frame is fixedly connected to the cross plate, the rectangular frame is provided with a supporting groove, the driving member is arranged on the frame, the output end of the driving member is fixedly connected to the cam, and the cam is adapted to the supporting groove.

[0007] Wherein, the clamping mechanism also includes two second springs and two protective members, one end of the second spring is fixedly connected to the transverse plate, the other end of the second spring is fixedly connected to the frame, and the protective members are arranged on the corresponding clamping plates.

[0008] Wherein, the driving component includes a support plate and a motor, the support plate is arranged on the frame, and the motor is installed on the support plate.

[0009] Among them, the clamp structure also includes a protrusion, a vertical block and a locking bolt, and the frame body is also provided with an adaptation groove, the protrusion is slidably connected to the adaptation groove, the support plate is fixedly connected to the protrusion, the vertical block is fixedly connected to the frame body, and one end of the locking bolt passes through the vertical block and is tightened on the support plate.

[0010] Wherein, the clamp structure further includes a force applying member, and the force applying member is fixedly connected to the support plate.

[0011] The two ends of the two connecting blocks rotate together and drive the two slide blocks to move toward each other in the corresponding sliding grooves. The two slide blocks drive the two clamping plates to clamp the workpieces through the two connecting members. In this way, the workpieces can be clamped and fixed more conveniently, thereby improving the fixing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] 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 or the description of the prior art 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.

[0013] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model.

[0014] Figure 2 It is a front view of the first embodiment of the utility model.

[0015] Figure 3 The utility model Figure 2 AA line structural cross-section view.

[0016] Figure 4 It is a structural schematic diagram of the second embodiment of the utility model.

[0017] 101-frame, 102-placing plate, 103-clamping block, 104-first spring, 105-cylinder, 106-cam, 107-rectangular frame, 108-cross plate, 109-connecting block, 110-slider, 111-connecting piece, 112-clamping plate, 113-second spring, 114-protective piece, 115-support plate, 116-motor, 117-groove, 118-slide groove, 119-holding groove, 201-bump, 202-vertical block, 203-locking bolt, 204-force applying piece, 205-adapter groove. DETAILED DESCRIPTION

[0018] First embodiment:

[0019] See also Figure 1 to Figure 3 ,in Figure 1 It is a structural schematic diagram of the first embodiment of the utility model. Figure 2 This is a front view of the first embodiment of the utility model. Figure 3 The utility model Figure 2 AA line structural cross-section view.

[0020] The utility model provides a clamp structure: including a frame 101, a placement plate 102, two clamping blocks 103, a first spring 104 and a clamping mechanism, wherein the clamping mechanism includes a cylinder 105, a driving member, a cam 106, a rectangular frame 107, a horizontal plate 108, two connecting blocks 109, two sliding blocks 110, two connecting members 111, two clamping plates 112, two second springs 113 and two protective members 114, and the driving member includes a support plate 115 and a motor 116. The above-mentioned scheme solves the technical problem in the prior art that it is necessary to manually turn the adjusting bolt to drive the clamping plate 112 to clamp and fix the workpiece, resulting in a slow fixing efficiency.

[0021] For this specific embodiment, the placement plate 102 is provided with a groove 117, and the two clamping blocks 103 are slidably connected to the groove 117. The two ends of the first spring 104 are respectively fixedly connected to the corresponding clamping blocks 103. During specific use, the workpiece is initially positioned by the first spring 104 and the two clamping blocks 103.

[0022] Among them, the frame 101 is provided with two slide grooves 118, the cylinder 105 is installed on the frame 101, the output end of the cylinder 105 is fixedly connected to the placement plate 102, the two sliders 110 are slidably connected to the corresponding slide grooves 118, the connecting member 111 is arranged between the corresponding slider 110 and the clamping plate 112, one end of the two connecting blocks 109 is hinged to the corresponding slider 110, the other end of the two connecting blocks 109 is hinged to the cross plate 108, the rectangular frame 107 is fixedly connected to the cross plate 108, the rectangular frame 107 is provided with a supporting groove 119, the driving member is arranged on the frame 101, the output end of the driving member is fixedly connected to the cam 106, and the cam 106 is adapted to the supporting groove 119. By setting the clamping mechanism, when it is used specifically, the cylinder 105 is first used to drive the placement plate 102 to move to adjust the clamping plate 112 and the placement plate 102, the workpiece is preliminarily positioned by the first spring 104 and the two clamping blocks 103, the driving member is opened, and the output end of the driving member drives the cam 106 to rotate, so that the cam 106 slides in the abutting groove 119, and the cam 106 drives the rectangular frame 107 to move downward while sliding in the abutting groove 119, and the rectangular frame 107 drives the cross plate 108 to move downward, and the cross plate 108 drives one end of the two connecting blocks 109 to rotate on the cross plate 108, and drives the other ends of the two connecting blocks 109 to rotate on the corresponding sliders 110 respectively, and the two ends of the two connecting blocks 109 drive the two sliders 110 to move toward each other in the corresponding slide grooves 118 respectively while rotating, and the two sliders 110 drive the two clamping plates 112 to clamp on the workpiece through the two connecting members 111, so that the workpiece can be clamped and fixed more conveniently, thereby improving the fixing efficiency.

[0023] Secondly, one end of the second spring 113 is fixedly connected to the cross plate 108, and the other end of the second spring 113 is fixedly connected to the frame 101. The protective member 114 is arranged on the corresponding clamping plate 112. By arranging the second spring 113, when not clamped, the second spring 113 can drive the cross plate 108 to move upward, thereby improving the stability of the cross plate 108.

[0024] Meanwhile, the support plate 115 is disposed on the frame 101 , and the motor 116 is mounted on the support plate 115 . By disposing the support plate 115 and the motor 116 , the motor 116 can be disposed on the frame 101 through the support plate 115 .

[0025] A clamp structure of the present embodiment is used, by setting the clamping mechanism, when in use, firstly, the cylinder 105 drives the placement plate 102 to move to adjust the height between the clamping plate 112 and the placement plate 102, the workpiece is preliminarily positioned by the first spring 104 and the two clamping blocks 103, the driving member is opened, and the output end of the driving member drives the cam 106 to rotate, so that the cam 106 slides in the abutting groove 119, and the cam 106 slides in the abutting groove 119 while driving the rectangular frame 107 to move downward, and the rectangular frame 107 is moved downward. The cross plate 108 is driven by the frame 107 to move downward, and the cross plate 108 drives one ends of the two connecting blocks 109 to rotate on the cross plate 108, and drives the other ends of the two connecting blocks 109 to rotate on the corresponding sliders 110 respectively. The two ends of the two connecting blocks 109 drive the two sliders 110 to move toward each other in the corresponding slide grooves 118 respectively while rotating. The two sliders 110 drive the two clamping plates 112 to clamp on the workpiece through the two connecting members 111. In this way, the workpiece can be clamped and fixed more conveniently, thereby improving the fixing efficiency.

[0026] Second embodiment:

[0027] Based on the first embodiment, please refer to Figure 4 , Figure 4 It is a structural schematic diagram of the second embodiment of the utility model.

[0028] The utility model provides a clamp structure which also includes a protruding block 201 , a vertical block 202 , a locking bolt 203 and a force applying member 204 .

[0029] According to this specific embodiment, the frame 101 is also provided with an adapter groove 205, the protrusion 201 is slidably connected to the adapter groove 205, the support plate 115 is fixedly connected to the protrusion 201, the vertical block 202 is fixedly connected to the frame 101, one end of the locking bolt 203 passes through the vertical block 202 and is tightened on the support plate 115. When installing the motor 116, the protrusion 201 on the support plate 115 is aligned with the adapter groove 205 and pushed to the specified position. One end of the locking bolt 203 passes through the vertical block 202 and is tightened on the support plate 115 to fix the support plate 115 and the motor 116. Otherwise, they can be quickly disassembled.

[0030] The force applying member 204 is fixedly connected to the support plate 115 . By providing the force applying member 204 , it is more convenient to apply force when installing and disassembling the motor 116 .

[0031] By using a clamp structure of the present embodiment, when installing the motor 116, the protrusion 201 on the support plate 115 is aligned with the adapter groove 205 and pushed to a specified position, one end of the locking bolt 203 is passed through the vertical block 202 and tightened on the support plate 115 to fix the support plate 115 and the motor 116. Otherwise, they can be quickly disassembled. By providing the force-applying member 204, it is more convenient to apply force when installing and disassembling the motor 116.

[0032] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A clamp structure, comprising a frame, a placement plate, two clamping blocks and a first spring, wherein the placement plate is provided with a groove, the two clamping blocks are slidably connected to the groove, and the two ends of the first spring are respectively fixedly connected to the corresponding clamping blocks, characterized in that: Also included is a clamping mechanism; The clamping mechanism includes a cylinder, a driving member, a cam, a rectangular frame, a cross plate, two connecting blocks, two sliders, two connecting members and two clamping plates. The frame is provided with two slide grooves, the cylinder is installed on the frame, the output end of the cylinder is fixedly connected to the placement plate, the two sliders are slidably connected to the corresponding slide grooves, the connecting member is arranged between the corresponding sliders and the clamping plates, one end of the two connecting blocks is hinged to the corresponding sliders, the other ends of the two connecting blocks are hinged to the cross plate, the rectangular frame is fixedly connected to the cross plate, the rectangular frame is provided with a supporting groove, the driving member is arranged on the frame, the output end of the driving member is fixedly connected to the cam, and the cam is adapted to the supporting groove.

2. The clamp structure according to claim 1, characterized in that: The clamping mechanism also includes two second springs and two protective members, one end of the second spring is fixedly connected to the transverse plate, the other end of the second spring is fixedly connected to the frame, and the protective members are arranged on the corresponding clamping plates.

3. The clamp structure according to claim 2, characterized in that: The driving member includes a support plate and a motor. The support plate is arranged on the frame, and the motor is installed on the support plate.

4. The clamp structure according to claim 3, characterized in that: The clamp structure also includes a protrusion, a vertical block and a locking bolt. The frame body is also provided with an adapting groove. The protrusion is slidably connected to the adapting groove, the support plate is fixedly connected to the protrusion, the vertical block is fixedly connected to the frame body, and one end of the locking bolt passes through the vertical block and is tightened on the support plate.

5. The clamp structure according to claim 4, characterized in that: The clamp structure also includes a force applying member, and the force applying member is fixedly connected to the support plate.

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