Hydraulic self-adjusting clamp

Abstract

The utility model belongs to the technical field of hydraulic devices, and particularly relates to a hydraulic self-adjusting clamp which comprises a rack, the rack is composed of a support, a connecting frame, a vertical frame and a transverse rod, the support is fixedly welded with the connecting frame, the support is fixedly welded with the vertical frame, the vertical frame is fixedly welded with the transverse rod, and an electric push rod is fixedly installed on the connecting frame. According to the utility model, the stable rack structure ensures the stability of the whole clamp in the working process and can reliably bear a workpiece, the electric push rod can accurately adjust the position of the bearing plate and adapt to the machining requirements of different workpieces, the I-shaped piece, the screw rod and the nut are matched to realize the flexible preliminary fixation of the workpiece, and the hydraulic cylinder drives the clamping plate to clamp the workpiece; the stability of a workpiece in the machining process is guaranteed, the clamping plates move stably and smoothly and abrasion is reduced due to the arrangement of the square frames and the roll shafts, the connecting holes in the vertical frame can be flexibly adjusted, the adaptability of the clamp is improved, and on the whole, the clamp improves the workpiece machining efficiency, precision and reliability.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic devices, in particular to a hydraulic self-adjusting clamp. Background Art

[0002] With the rapid development of the machining industry, the requirements for part clamping accuracy and clamping automation are constantly increasing. Traditional clamps, such as vises or chucks, rely on manual assembly to clamp parts, which have defects such as low precision, cumbersome operation, and difficult to control clamping force, and cannot meet the needs of modern production. In order to solve these problems, hydraulic clamps came into being.

[0003] Hydraulic clamps have the advantages of high precision, high stability and high efficiency, and are widely used in mechanical processing, automobile manufacturing, aerospace and other fields.

[0004] During milling, drilling, grinding and other processing, hydraulic clamps can clamp workpieces quickly and accurately to ensure processing accuracy and surface quality. With the continuous development of industrial automation, hydraulic clamps will be integrated with robots, automated production lines and other equipment to achieve automated clamping and processing. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies of the prior art, the utility model provides a hydraulic self-adjusting clamp, which solves the problems raised in the above background technology.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0009] A hydraulic self-adjusting clamp comprises a frame, which is composed of a bracket, a connecting frame, a vertical frame and a cross bar, wherein the bracket and the connecting frame are fixedly welded, the bracket and the vertical frame are fixedly welded, and the vertical frame and the cross bar are fixedly welded, an electric push rod is fixedly installed on the connecting frame, a bearing plate is fixedly connected to the output end of the electric push rod, two I-shaped pieces are fixedly engaged on the side of the bearing plate, a hydraulic cylinder is fixedly installed below the cross bar, a clamping plate is fixedly connected to the output end of the hydraulic cylinder, and a square frame is fixedly connected to the side wall of the clamping plate.

[0010] Furthermore, a hole is opened on the I-shaped piece, a screw is inserted in the hole, a nut is threadedly connected to the screw, and the nut abuts against the I-shaped piece.

[0011] Furthermore, the screw rods are located on both sides of the bearing plate and do not contact the bearing plate.

[0012] Furthermore, the square frame is slidably sleeved on the vertical frame, and a roller is provided inside the square frame, and the roller contacts the vertical frame and slides therewith.

[0013] Furthermore, the vertical frame array is provided with connection holes, and connection columns are inserted into the connection holes.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a hydraulic self-adjusting clamp, which has the following beneficial effects:

[0016] The utility model has a stable frame structure that ensures the stability of the entire clamp during operation and can reliably carry the workpiece. The electric push rod can accurately adjust the position of the load-bearing plate to meet the processing requirements of different workpieces. The cooperation of the I-shaped piece, the screw rod and the nut realizes the flexible preliminary fixation of the workpiece. The hydraulic cylinder drives the clamp to clamp the workpiece to ensure the stability of the workpiece during processing. The setting of the frame and the roller makes the clamp move smoothly and reduces wear. The connecting holes on the vertical frame can be flexibly adjusted, which increases the adaptability of the clamp. On the whole, the clamp improves the efficiency, precision and reliability of workpiece processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a side view of the structure of the utility model.

[0019] In the figure: 1. bracket; 2. connecting frame; 3. vertical frame; 4. cross bar; 5. electric push rod; 6. bearing plate; 7. I-shaped piece; 8. screw rod; 9. nut; 10. connecting column; 11. hydraulic cylinder; 12. clamping plate; 13. frame; 14. roller; 15. connecting hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example

[0022] like Figure 1-2As shown, a hydraulic self-adjusting clamp proposed in one embodiment of the utility model comprises a frame, wherein the frame is composed of a bracket 1, a connecting frame 2, a vertical frame 3 and a cross bar 4, wherein the bracket 1 and the connecting frame 2 are fixedly welded, the bracket 1 and the vertical frame 3 are fixedly welded, the vertical frame 3 and the cross bar 4 are fixedly welded, an electric push rod 5 is fixedly installed on the connecting frame 2, a bearing plate 6 is fixedly connected to the output end of the electric push rod 5, two I-shaped pieces 7 are fixedly engaged on the side of the bearing plate 6, a hydraulic cylinder 11 is fixedly installed below the cross bar 4, a clamping plate 12 is fixedly connected to the output end of the hydraulic cylinder 11, and a square frame 13 is fixedly connected to the side wall of the clamping plate 12;

[0023] Overall structure: The frame is welded by a bracket 1, a connecting frame 2, a vertical frame 3 and a crossbar 4, and the structure is stable; it provides a stable supporting foundation for the entire fixture.

[0024] An electric push rod 5 is installed on the connecting frame 2, which can drive the carrying plate 6 to move, so as to adjust the position height of the carrying plate 6 and the workpiece;

[0025] An I-shaped piece 7 is engaged with the side of the carrier plate 6 and fixed by a screw rod 8 and a nut 9, which has a certain degree of adjustability; it is convenient to adjust the fixed position of the workpiece on the carrier plate 6 to meet the placement requirements of different workpieces.

[0026] A hydraulic cylinder 11 is installed under the crossbar 4, and its output end is connected to a clamping plate 12 to achieve a clamping action on the workpiece and ensure the stability of the workpiece during processing or other operations.

[0027] A square frame 13 is arranged on the clamping plate 12 and is sleeved with the vertical frame 3. A roller 14 is arranged in the square frame 13 and is in contact and slides with the vertical frame 3, so as to ensure that the clamping plate 12 moves smoothly and accurately while reducing friction loss.

[0028] The vertical frame 3 is provided with connection holes 15 in an array, which can be used in conjunction with the connection columns 10 and can be flexibly adjusted according to specific needs for further fixing and installation.

[0029] First, place the workpiece on the carrier plate 6, and preliminarily fix the position of the workpiece by adjusting the I-shaped piece 7, screw 8 and nut 9. Then, start the electric push rod 5, which pushes the carrier plate 6 to move, so as to adjust the workpiece to a suitable processing position, and then tighten the screw 8 and nut 9. Next, start the hydraulic cylinder 11, and the piston rod of the hydraulic cylinder 11 extends to push the clamping plate 12 to move toward the workpiece. The square frame 13 on the clamping plate 12 slides along the vertical frame 3, and the roller 14 rolls on the vertical frame 3 to reduce friction resistance, so that the clamping plate 12 moves smoothly. After the clamping plate 12 contacts the workpiece, it is clamped to ensure that the workpiece will not be displaced during the processing process.

[0030] like Figure 1As shown, in some embodiments, a hole is provided on the I-shaped member 7, a screw 8 is inserted in the hole, a nut 9 is threadedly connected to the screw 8, the nut 9 abuts against the I-shaped member 7, and the nut 9 can be screwed in and out on the screw 8 by being threadedly connected with the screw 8. When the nut 9 is tightened to abut against the I-shaped member 7, the I-shaped member 7 can be clamped tightly, thereby enhancing the fixing effect of the workpiece placed on the carrier plate 6, ensuring that the workpiece will not move or shake easily during processing or other operations, and improving the stability and reliability of the fixture fixing the workpiece.

[0031] like Figure 1 As shown, in some embodiments, the screw rods 8 are located on both sides of the carrier plate 6 and do not contact the carrier plate 6. Not contacting the carrier plate 6 avoids unnecessary interference or friction with the carrier plate 6, ensures that the carrier plate 6 can move and adjust its position freely, and also reduces possible damage to the carrier plate 6. Such a design makes the structural layout of the entire clamp more reasonable.

[0032] like Figure 1 As shown, in some embodiments, the square frame 13 is slidably sleeved on the vertical frame 3, and a roller 14 is provided inside the square frame 13. The roller 14 contacts the vertical frame 3 and slides therewith. The setting of the roller 14 reduces the friction resistance between the square frame 13 and the vertical frame 3, making the movement of the splint 12 smoother and more labor-saving, reducing wear and extending the service life of the components.

[0033] like Figure 2 As shown, in some embodiments, the vertical frame 3 is provided with an array of connection holes 15, and the connection holes 15 are plugged with connection columns 10. The array connection holes 15 on the vertical frame 3 provide a plurality of fixed position options, which facilitates adjustment of the connection position of other components with the vertical frame 3 according to different needs and working conditions, thereby increasing the flexibility and adaptability of the clamp.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A hydraulic self-adjusting clamp, comprising a frame, characterized in that: The frame is composed of a bracket (1), a connecting frame (2), a vertical frame (3) and a cross bar (4), wherein the bracket (1) and the connecting frame (2) are fixedly welded, the bracket (1) and the vertical frame (3) are fixedly welded, and the vertical frame (3) and the cross bar (4) are fixedly welded. An electric push rod (5) is fixedly installed on the connecting frame (2), a bearing plate (6) is fixedly connected to the output end of the electric push rod (5), two I-shaped pieces (7) are fixedly engaged on the side of the bearing plate (6), a hydraulic cylinder (11) is fixedly installed below the cross bar (4), a clamping plate (12) is fixedly connected to the output end of the hydraulic cylinder (11), and a square frame (13) is fixedly connected to the side wall of the clamping plate (12).

2. A hydraulic self-adjusting clamp according to claim 1, characterized in that: A hole is opened on the I-shaped piece (7), a screw rod (8) is inserted into the hole, a nut (9) is threadedly connected to the screw rod (8), and the nut (9) abuts against the I-shaped piece (7).

3. A hydraulic self-adjusting clamp according to claim 2, characterized in that: The screw rods (8) are located on both sides of the bearing plate (6) and do not contact the bearing plate (6).

4. The hydraulic self-adjusting clamp according to claim 1, characterized in that: The square frame (13) is slidably sleeved on the vertical frame (3), and a roller shaft (14) is arranged inside the square frame (13). The roller shaft (14) contacts the vertical frame (3) and slides therewith.

5. The hydraulic self-adjusting clamp according to claim 1, characterized in that: The vertical frame (3) is provided with connection holes (15) in an array, and connection columns (10) are inserted into the connection holes (15).

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