Adjustable clamp

Abstract

The utility model discloses an adjustable clamp which comprises a bridge plate, a guide rail seat is arranged on the bridge plate, an inclined sliding rail is arranged on the guide rail seat, the inclined sliding rail is connected with a sliding block in a sliding mode, a driving piece is arranged on the side, away from the sliding block, of the bridge plate, and the driving piece penetrates through the bridge plate to be connected with the sliding block. According to the adjustable clamp, the arrangement position of the driving piece is changed, so that the transverse occupied space is reduced, the transverse size is reduced, the production cost is saved, meanwhile, transverse extrusion of the sliding block is displacement formed through inclined movement of the sliding block, and therefore compared with the action stroke of the driving piece, the transverse extrusion of the sliding block is more stable. And the transverse displacement of the sliding block is smaller, so that the control precision can be improved, and the requirement on the precision is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, in particular to an adjustable fixture. Background Art

[0002] In order to ensure the stability of the workpiece during machining, the tooling needs to be clamped and fixed. In order to ensure the adaptability of the clamping, each type of workpiece has its own corresponding tooling fixture. In order to expand the clamping range of the fixture, the current fixture is generally set to an adjustable structure.

[0003] For example, the publication number "CN220660642U" discloses a "tooling fixture for pump body calibration", which includes a base, a bracket is provided at one end of the base, an adjustment channel is provided in the bracket, a clamping arm is movably inserted into the inner side of the adjustment channel, a clamping seat 2 is provided at one end of the clamping arm, a chassis is provided in the middle of the base, and a movable clamping mechanism is provided at the other end of the base. However, in actual application, since the adjustment of the fixture is formed into a lateral sliding, it occupies a large lateral space, making the entire fixture larger in size, occupying the use space, increasing the manufacturing cost, and requiring high precision control. Summary of the invention

[0004] In view of the problems of the prior art mentioned in the background technology, such as large occupied space, high manufacturing cost and high precision control requirements, the utility model provides an adjustable clamp, which can reduce the lateral occupied gap, improve space utilization, save occupied space, reduce manufacturing cost, and obtain higher adjustment accuracy.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions.

[0006] An adjustable clamp includes a bridge plate, a guide rail seat is arranged on the bridge plate, an inclined slide rail is arranged on the guide rail seat, the inclined slide rail is slidably connected to a slider, a driving member is arranged on the side of the bridge plate away from the slider, and the driving member passes through the bridge plate and is connected to the slider. In the present application, a bridge plate is provided for placing a guide rail seat, wherein the inclined slide rail provided on the guide rail seat can be slidably connected to a slider, and the slider slides vertically on the inclined slide rail. Due to the inclined setting of the inclined slide rail, lateral movement can be generated during the oblique vertical sliding process, thereby generating an extrusion force on the workpiece, thereby fixing the workpiece, wherein the driving member is arranged on the other side of the bridge plate, thereby saving the lateral occupied area and making full use of the upper and lower spaces of the clamp. The driving member and the slider are arranged on both sides of the bridge plate. On the basis of being able to achieve lateral extrusion, the setting position of the driving member is changed, thereby reducing the lateral occupied space, thereby reducing the lateral size and saving production costs. At the same time, since the lateral extrusion of the slider is a displacement formed by the oblique movement of the slider, the lateral displacement of the slider is smaller than the action stroke of the driving member, thereby improving the control accuracy and reducing the accuracy requirements.

[0007] Preferably, a positioning block is provided on the bridge plate, and a workpiece clamping area is formed between the positioning block and the slider. A positioning block is provided on the bridge plate, the positioning block is fixed, and the positioning block cooperates with the slider to clamp the workpiece, thereby ensuring the stability of the clamping.

[0008] Preferably, a workpiece base is provided between the positioning block and the slider, and a workpiece base is also provided between the positioning block and the slider to provide a placement space and a positioning effect for the workpiece, thereby ensuring that the clamping position of the workpiece is accurate.

[0009] Preferably, the guide rail seat is provided with inclined slide rails on both sides, the positioning blocks are provided with a plurality of them, the guide rail seat is provided between adjacent positioning blocks, and the inclined slide rails are provided close to the positioning blocks. The guide rail seat is provided with slide rails on both sides, and the adjacent positioning blocks clamp the guide rail seat in the middle position, thereby increasing the utilization rate of the guide rail seat and improving the overall integration of the fixture.

[0010] Preferably, a pressure plate assembly is provided on the bridge plate, and the pressure plate assembly includes a pressing part, and the pressing part is provided on the side of the bridge plate away from the driving member, and a workpiece clamping area is formed between the pressing part and the bridge plate. A pressure plate assembly is also provided on the bridge plate, and the upper side of the workpiece can be fixedly constrained by the pressure plate assembly, and the fixed constraint effect of the workpiece in various directions can be achieved by cooperating with the positioning block, the slider, and the workpiece base.

[0011] Preferably, the pressure plate assembly includes a pressure plate seat, and a pressure plate body is rotatably connected to the pressure plate seat. The pressure plate body is rotatably connected to the pressure plate seat, which can improve the flexibility of the pressure plate body, so that the setting position of the pressure plate assembly can be more flexibly changed, improves adaptability, and can be installed on different workpieces.

[0012] Preferably, the pressure plate seat is provided with an adjusting bolt, and the adjusting bolt is rotatably connected to the pressure plate body. The rotation of the adjusting bolt can drive the pressure plate body to change its vertical position, thereby generating a squeezing force in the vertical direction, thereby ensuring the stability of the workpiece. At the same time, since the vertical position can be changed with the adjusting bolt, the adaptability of the pressure plate assembly can be improved, thereby being able to clamp workpieces of different sizes.

[0013] Preferably, the pressure plate assembly is staggered with the workpiece clamping area. The pressure plate assembly is staggered with the workpiece clamping area, which is the area for fixing the workpiece. After the staggered setting, the pressure plate seat at the bottom of the pressure plate assembly will not face the workpiece clamping area, thereby avoiding interference with the workpiece taking and placing, providing sufficient space for the workpiece placement, and by rotating the pressure plate body to the top of the workpiece and then pressing down, the fixation stability of the workpiece is guaranteed at the same time.

[0014] Preferably, the slider is provided with an extrusion surface on the side away from the guide rail seat, and a plurality of grooves are provided on the extrusion surface. The side of the slider that fits the workpiece is the extrusion surface, and the extrusion surface abuts against the workpiece to achieve a pressurizing effect. The plurality of grooves provided on the extrusion surface can ensure the fitting effect of the extrusion surface and ensure the tightness of the clamping.

[0015] Preferably, a turntable assembly is also included, the turntable assembly includes a turntable body arranged at both ends, the turntable body is rotatably connected to the bridge plate, and the turntable body is connected to an oil distributor on the side away from the bridge plate. The adjustable fixture of the present application also includes a turntable assembly, the turntable assembly can drive the bridge plate to rotate, wherein the turntable assembly includes a turntable body, the turntable body is arranged at both ends, and is rotatably connected to the bridge plate through an ear plate, so that the bridge plate can rotate, which improves flexibility and makes installation and processing more convenient.

[0016] The beneficial effects of the utility model are as follows:

[0017] (1) It can improve the adaptability of the fixture, the layout and distribution of the various components in the fixture are more reasonable and centralized, which reduces the space occupied by the fixture and can improve the control accuracy of the fixture;

[0018] (2) It can ensure the stability of clamping, can clamp the workpiece in all directions, and can provide sufficient space for the placement of the workpiece;

[0019] (3) The overall flexibility and operability of the fixture can be improved, making the use process more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an axonometric drawing of the utility model.

[0021] Figure 2 It is a front view of the utility model.

[0022] Figure 3 yes Figure 1 A partial enlarged view of point A in the middle.

[0023] Figure 4 It is a top view of the utility model.

[0024] Figure 5 It is a partial schematic diagram of Example 2.

[0025] Figure 6 This is a front view of Example 3.

[0026] In the figure:

[0027] 1 bridge plate, 11 positioning blocks;

[0028] 2 guide rail seats, 21 oblique slide rails;

[0029] 3 slider, 31 extrusion surface, 32 groove;

[0030] 4 driving parts;

[0031] 5. Workpiece clamping area;

[0032] 6. Workpiece base;

[0033] 7 pressure plate assembly, 71 lower pressure portion, 72 pressure plate seat, 73 pressure plate body, 74 adjusting bolt;

[0034] 8 turntable assembly, 81 turntable body, 82 oil circuit distributor. DETAILED DESCRIPTION

[0035] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0036] Embodiment 1:

[0037] like Figure 1 , 2 As shown, an adjustable clamp includes a bridge plate 1, a guide rail seat 2 is arranged on the bridge plate 1, an inclined slide rail 21 is arranged on the guide rail seat 2, the inclined slide rail 21 is slidably connected with a slider 3, a driving member 4 is arranged on the side of the bridge plate 1 away from the slider 3, the driving member 4 passes through the bridge plate 1 and is connected with the slider 3, a positioning block 11 is arranged on the bridge plate 1, a workpiece clamping area 5 is formed between the positioning block 11 and the slider 3, and a workpiece base 6 is arranged between the positioning block 11 and the slider 3.

[0038] In the present application, a bridge plate 1 is provided for placing a guide rail seat 2, wherein the inclined slide rail provided on the guide rail seat 2 can be slidably connected to the slider 3, and the slider 3 slides vertically on the inclined slide rail. Due to the inclined setting of the inclined slide rail, lateral movement can be generated during the oblique vertical sliding process, thereby generating an extrusion force on the workpiece, thereby fixing the workpiece, wherein the driving member 4 is arranged on the other side of the bridge plate 1, thereby saving the lateral occupied area and making full use of the upper and lower spaces of the fixture. The driving member 4 and the slider 3 are arranged on both sides of the bridge plate 1. On the basis of being able to achieve lateral extrusion, the setting position of the driving member 4 is changed, thereby reducing the lateral occupied space, thereby reducing the lateral size and saving production costs. At the same time, since the lateral extrusion of the slider 3 is a displacement formed by the oblique movement of the slider 3, the lateral displacement of the slider 3 is smaller than the action stroke of the driving member 4, thereby improving the control accuracy and reducing the accuracy requirements.

[0039] A positioning block 11 is provided on the bridge plate 1 , and the positioning block 11 is fixed. The positioning block 11 cooperates with the slider 3 to clamp the workpiece, thereby ensuring the stability of the clamping.

[0040] A workpiece base 6 is also provided between the positioning block 11 and the slide block 3 to provide a placement space and a positioning effect for the workpiece, thereby ensuring that the clamping position of the workpiece is accurate.

[0041] like Figure 1 , 2 As shown, both sides of the guide rail seat 2 are provided with oblique slide rails. In this embodiment, two positioning blocks 11 are provided, and the guide rail seat 2 is provided between adjacent positioning blocks 11, and the oblique slide rails are provided close to the positioning blocks 11. Slide rails are provided on both sides of the guide rail seat 2, and the adjacent positioning blocks 11 clamp the guide rail seat 2 in the middle position, thereby increasing the utilization rate of the guide rail seat 2 and improving the overall integration of the fixture.

[0042] like Figure 1 , 3 As shown in Figures 4 and 5, a pressure plate assembly 7 is provided on the bridge plate 1, and the pressure plate assembly 7 includes a pressing portion 71, and the pressing portion 71 is provided on the side of the bridge plate 1 away from the driving member 4, and a workpiece clamping area 5 is formed between the pressing portion 71 and the bridge plate 1; the pressure plate assembly 7 includes a pressure plate seat 72, and a pressure plate body 73 is rotatably connected to the pressure plate seat 72; an adjusting bolt 74 is provided on the pressure plate seat 72, and the adjusting bolt 74 is rotatably connected to the pressure plate body 73; the pressure plate assembly 7 and the workpiece clamping area 5 are staggered.

[0043] A pressure plate assembly 7 is also provided on the bridge plate 1, and the pressure plate assembly 7 can ensure the upper side of the workpiece is fixed and constrained. In conjunction with the positioning block 11, the slider 3, and the workpiece base 6, the fixed constraint effect on all directions of the workpiece can be achieved.

[0044] The pressure plate body 73 is rotatably connected to the pressure plate seat 72, which can improve the flexibility of the pressure plate body 73, so that the setting position of the pressure plate assembly 7 can be more flexibly changed, improves adaptability, and can be adapted to different workpieces for installation.

[0045] The rotation of the adjusting bolt 74 can drive the pressure plate body 73 to change its vertical position, thereby generating an extrusion force in the vertical direction, thereby ensuring the stability of the workpiece. At the same time, since the vertical position can be changed with the adjusting bolt 74, the adaptability of the pressure plate assembly 7 can be improved, thereby being able to clamp workpieces of different sizes.

[0046] The pressure plate assembly 7 and the workpiece clamping area 5 are offset and arranged. The workpiece clamping area 5 is the area for fixing the workpiece. After the offset setting, the pressure plate seat 72 at the bottom of the pressure plate assembly 7 will not face the workpiece clamping area 5, thereby avoiding interference with the picking and placement of the workpiece, providing sufficient space for the placement of the workpiece, and rotating the pressure plate body 73 to the top of the workpiece, and then pressing down, while ensuring the fixation stability of the workpiece. The assembly and working process of the adjustable clamp in this embodiment are as follows: In this embodiment, a turntable assembly 8 is provided, wherein the special pick assembly includes a press plate, and a turntable pad is provided on the press plate, wherein a turntable body 81 is connected to the turntable pad, and two turntable bodies 81 are provided, which are respectively located at the two ends of the press plate, and the turntable body 81 is connected to the bridge through a turntable ear plate The board 1 is rotatably connected, and the bridge board 1 is a long strip structure. A guide rail seat 2 is arranged on the bridge board 1. In this embodiment, the guide rail seat 2 is arranged in the middle position of the bridge board 1, and inclined slide rails 21 are arranged on both sides of the guide rail seat 2. The guide rail direction of the inclined slide rail 21 is mainly in the vertical direction, and is inclined toward both sides to form an inclined slide rail 21. A slider 3 is slidably connected to the inclined slide rail 21, and the slider 3 is connected to a connecting rod on the side close to the bridge board 1, wherein the bridge board 1 is connected to a driving member 4 on the side away from the slider 3. In this embodiment, the driving member 4 is a hydraulic cylinder, wherein the hydraulic cylinder is provided with two fixed on the hydraulic cylinder fixing plate, and the hydraulic cylinder is obliquely arranged, wherein the hydraulic cylinder is connected to the connecting rod and connected to the slider 3, and the slider 3 is driven to move on the inclined slide rail through the action of the hydraulic cylinder. 21 is slidable, and due to the inclined state of the inclined slide rail 21, lateral movement will be generated during the vertical sliding process, thereby completing the extrusion effect. Since the overall movement is vertical, the arrangement of the hydraulic cylinder and the slide block 3 reduces the lateral occupied space and improves the space utilization rate. Positioning blocks 11 are arranged on both sides of the guide rail seat 2, and a workpiece base 6 is arranged between the positioning block 11 and the guide rail seat 2. A workpiece clamping area 5 is formed between the positioning block 11, the slide block 3, and the workpiece base 6. The workpiece is placed on the workpiece clamping area 5 for fixing, and a pressure plate assembly 7 is also provided in this embodiment. The pressure plate assembly 7 includes a pressure plate seat 72, and the pressure plate seat 72 is rotatably connected to a pressure plate body 73 through an adjusting bolt 74. The pressure plate body 73 is located above the workpiece. The workpiece is then fixed in the closed position with the clamping member 74 engaged, and the clamping member 73 is in a closed position with the clamping member 72 engaged, and the clamping member 73 is in a closed position with the clamping member 72 engaged.It can ensure the stability of clamping, can clamp the workpiece in all directions, and can provide sufficient space for the placement of the workpiece; it can improve the overall flexibility and operability of the fixture, making the use process more convenient. ;

[0047] Embodiment 2:

[0048] like Figure 5 As shown, in this embodiment, a pressing surface 31 is provided on the side of the slider 3 away from the guide rail seat 2, and a plurality of grooves 32 are provided on the pressing surface 31. The side of the slider 3 that contacts the workpiece is the pressing surface 31, and the pressing surface 31 abuts against the workpiece to achieve a pressurizing effect. The plurality of grooves 32 provided on the pressing surface 31 can ensure the contact effect of the pressing surface 31 and ensure the tightness of the clamping.

[0049] In addition to the above technical features, the present embodiment also includes a bridge plate 1 that is the same as that in the embodiment 1, a guide rail seat 2 is provided on the bridge plate 1, an inclined slide rail 21 is provided on the guide rail seat 2, the inclined slide rail 21 is slidably connected to the slider 3, a driving member 4 is provided on the side of the bridge plate 1 away from the slider 3, the driving member 4 passes through the bridge plate 1 and is connected to the slider 3, a positioning block 11 is provided on the bridge plate 1, a workpiece clamping area 5 is formed between the positioning block 11 and the slider 3, and a workpiece base 6 is provided between the positioning block 11 and the slider 3; inclined slide rails are provided on both sides of the guide rail seat 2, and in the present embodiment, the positioning block 1 1 is provided with two, the guide rail seat 2 is arranged between adjacent positioning blocks 11, and the oblique slide rail is arranged close to the positioning block 11; a pressure plate assembly 7 is arranged on the bridge plate 1, and the pressure plate assembly 7 includes a lower pressing portion 71, and the lower pressing portion 71 is arranged on the side of the bridge plate 1 away from the driving member 4, and a workpiece clamping area 5 is formed between the lower pressing portion 71 and the bridge plate 1; the pressure plate assembly 7 includes a pressure plate seat 72, and a pressure plate body 73 is rotatably connected to the pressure plate seat 72; an adjusting bolt 74 is arranged on the pressure plate seat 72, and the adjusting bolt 74 is rotatably connected to the pressure plate body 73; the pressure plate assembly 7 and the workpiece clamping area 5 are arranged in a staggered manner.

[0050] Embodiment 3:

[0051] like Figure 6 As shown, the present embodiment also includes a turntable assembly 8, which includes a turntable body 81 arranged at both ends, the turntable body 81 is rotatably connected to the bridge plate 1, and the turntable body 81 is connected to an oil distributor 82 on the side away from the bridge plate 1. The adjustable fixture of the present application also includes a turntable assembly 8, which can drive the bridge plate 1 to rotate, wherein the turntable assembly 8 includes a turntable body 81, which is arranged at both ends and is rotatably connected to the bridge plate 1 through ear plates, so that the bridge plate 1 can rotate, which improves flexibility and makes installation and processing more convenient.

[0052] In addition to the above technical features, the present embodiment also includes a bridge plate 1 that is the same as that in the embodiment 1, a guide rail seat 2 is provided on the bridge plate 1, an inclined slide rail 21 is provided on the guide rail seat 2, the inclined slide rail 21 is slidably connected to the slider 3, a driving member 4 is provided on the side of the bridge plate 1 away from the slider 3, the driving member 4 passes through the bridge plate 1 and is connected to the slider 3, a positioning block 11 is provided on the bridge plate 1, a workpiece clamping area 5 is formed between the positioning block 11 and the slider 3, and a workpiece base 6 is provided between the positioning block 11 and the slider 3; inclined slide rails are provided on both sides of the guide rail seat 2, and in the present embodiment, the positioning block 1 1 is provided with two, the guide rail seat 2 is arranged between adjacent positioning blocks 11, and the oblique slide rail is arranged close to the positioning block 11; a pressure plate assembly 7 is arranged on the bridge plate 1, and the pressure plate assembly 7 includes a lower pressing portion 71, and the lower pressing portion 71 is arranged on the side of the bridge plate 1 away from the driving member 4, and a workpiece clamping area 5 is formed between the lower pressing portion 71 and the bridge plate 1; the pressure plate assembly 7 includes a pressure plate seat 72, and a pressure plate body 73 is rotatably connected to the pressure plate seat 72; an adjusting bolt 74 is arranged on the pressure plate seat 72, and the adjusting bolt 74 is rotatably connected to the pressure plate body 73; the pressure plate assembly 7 and the workpiece clamping area 5 are arranged in a staggered manner.

Claims

1. An adjustable clamp, characterized in that: The invention comprises a bridge plate (1), a guide rail seat (2) being arranged on the bridge plate (1), an inclined slide rail (21) being arranged on the guide rail seat (2), the inclined slide rail (21) being slidably connected to a slider (3), a driving member (4) being arranged on a side of the bridge plate (1) away from the slider (3), and the driving member (4) passing through the bridge plate (1) and connected to the slider (3).

2. An adjustable clamp according to claim 1, characterized in that: A positioning block (11) is provided on the bridge plate (1), and a workpiece engaging area (5) is formed between the positioning block (11) and the sliding block (3).

3. An adjustable clamp according to claim 2, characterized in that: A workpiece base (6) is provided between the positioning block (11) and the sliding block (3).

4. An adjustable clamp according to claim 2, characterized in that: Both sides of the guide rail seat (2) are provided with oblique slide rails (21), a plurality of positioning blocks (11) are provided, the guide rail seat (2) is provided between adjacent positioning blocks (11), and the oblique slide rails (21) are provided close to the positioning blocks (11).

5. An adjustable clamp according to claim 1, characterized in that: A pressure plate assembly (7) is arranged on the bridge plate (1), and the pressure plate assembly (7) includes a pressing portion (71). The pressing portion (71) is arranged on a side of the bridge plate (1) away from the driving member (4), and a workpiece clamping area (5) is formed between the pressing portion (71) and the bridge plate (1).

6. An adjustable clamp according to claim 5, characterized in that: The pressure plate assembly (7) comprises a pressure plate seat (72), and a pressure plate body (73) is rotatably connected to the pressure plate seat (72).

7. An adjustable clamp according to claim 6, characterized in that: The pressure plate seat (72) is provided with an adjusting bolt (74), and the adjusting bolt (74) is rotatably connected to the pressure plate body (73).

8. An adjustable clamp according to any one of claims 5 to 7, characterized in that: The pressing plate assembly (7) and the workpiece engaging area (5) are arranged in a staggered manner.

9. An adjustable clamp according to any one of claims 1 to 7, characterized in that: The sliding block (3) is provided with an extrusion surface (31) on the side away from the guide rail seat (2), and a plurality of grooves (32) are provided on the extrusion surface (31).

10. An adjustable clamp according to any one of claims 1 to 7, characterized in that: It also includes a turntable assembly (8), the turntable assembly (8) including turntable bodies (81) arranged at two ends, the turntable body (81) is rotatably connected to the bridge plate (1), and the turntable body (81) is connected to an oil distributor (82) on the side away from the bridge plate (1).

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