Detachable and adjustable hydraulic clamp

Abstract

The utility model relates to the technical field of hydraulic clamps, in particular to a detachable and adjustable hydraulic clamp which comprises a placing plate, a pair of supporting plates are vertically installed at the upper end of the placing plate, hydraulic cylinders are installed on the supporting plates, the output ends of the hydraulic cylinders penetrate through the supporting plates, the hydraulic cylinders are opposite to each other, and the upper end of the placing plate is connected with a pair of connecting plates in a sliding mode. A rectangular connecting cylinder is installed on the outer side wall of the connecting plate, the output end of the hydraulic cylinder is connected with a rectangular connector connected with the rectangular connecting cylinder in an inserted mode, a connecting assembly is installed at the upper end of the rectangular connecting cylinder, and a clamping plate assembly and a flat plate pressure sensor are connected to the inner side wall of the connecting plate. The utility model has the advantages that when the connecting plate needs to be disassembled, the connecting plate can be taken out by only pulling the pulling plate in the connecting assembly to enable the positioning rod to rise and be separated from the positioning hole I and the positioning hole II, namely, the clamping plate assembly is disassembled, so that the clamping plate assembly is convenient to maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic fixtures, in particular to a detachable and adjustable hydraulic fixture. Background Art

[0002] A fixture refers to a device used to fix a machining object during the mechanical manufacturing process so that it occupies the correct position to receive construction or inspection. Generally speaking, any device used to quickly, conveniently and safely install a workpiece in any process of the technological process can be called a fixture. According to the driving method, it can also be divided into hydraulic fixtures, pneumatic fixtures, and so on.

[0003] In the existing hydraulic fixtures, the clamping plate is usually connected to the output end of the hydraulic cylinder through bolts and nuts. When the clamping plate needs to be disassembled and maintained, tools are required to unscrew the nuts, which is rather troublesome. Moreover, after long-term use of the bolts and nuts, when disassembling, the threads of the bolts are prone to jamming and it is not convenient to lubricate, bringing trouble to the staff. Summary of the Utility Model

[0004] I. Technical Problems to be Solved

[0005] The technical problem to be solved by the utility model is that in the existing hydraulic fixtures, the clamping plate is usually connected to the output end of the hydraulic cylinder through bolts and nuts, which is not convenient for the installation and disassembly of the clamping plate.

[0006] II. Technical Solutions

[0007] To solve the above technical problems, the technical solution provided by the utility model is: a detachable and adjustable hydraulic fixture, including a placement plate. A pair of support plates are vertically installed at the upper end of the placement plate. A pair of hydraulic cylinders with their output ends passing through and facing each other are installed on the pair of support plates. A pair of connecting plates are slidably connected to the upper end of the placement plate. A rectangular connecting cylinder is installed on the outer side wall of the connecting plate. The output end of the hydraulic cylinder is connected with a rectangular connecting head inserted into the rectangular connecting cylinder. A connecting component is installed at the upper end of the rectangular connecting cylinder. A clamping plate assembly and a flat plate pressure sensor are connected to the inner side wall of the connecting plate.

[0008] Further, a vertically penetrating positioning hole one is provided on the rectangular connecting cylinder, and a positioning hole two corresponding to the positioning hole one is provided on the rectangular connecting head.

[0009] Further, the connecting component includes a sleeve installed at the upper end of the rectangular connecting cylinder. A positioning rod vertically passes through the sleeve. The lower end of the positioning rod passes through the positioning hole one and the positioning hole two. A slider slidably connected to the inner wall of the rectangular connecting cylinder is provided on the positioning rod. A spring is wound around the positioning rod above the slider. The top end of the positioning rod passes through the top wall of the sleeve and is connected with a pulling plate.

[0010] Further, the clamping plate assembly includes guide rods vertically passing through the four corners of the connecting plate. One end of the inner side of each guide rod is fixed with a clamping plate, and one end of the outer side of each guide rod is fixed with a limiting plate. A buffer spring is wound around the guide rod between the clamping plate and the connecting plate, and a rubber pad is fixed on the inner side of the clamping plate.

[0011] Further, a control panel electrically connected to the hydraulic cylinder and the flat pressure sensor is installed at the front end of the placement plate.

[0012] III. Beneficial Effects

[0013] The advantages of the present utility model compared with the prior art are as follows:

[0014] 1. The output end of the hydraulic cylinder and the connecting plate are connected together through the cooperation of a rectangular connecting cylinder, a rectangular connecting head, and a connecting component. When it is necessary to disassemble the connecting plate, only need to pull the pull plate in the connecting component to make the positioning rod rise and disengage from the first positioning hole and the second positioning hole, then the connecting plate can be taken out, that is, the clamping plate assembly is disassembled, which is convenient for maintaining the clamping plate assembly.

[0015] 2. When a pair of clamping plates clamp both ends of an object, a certain buffering effect is achieved through the buffer spring, preventing the clamped object and the flat pressure sensor from being damaged due to excessive impact, and ensuring the service life of the device.

[0016] 3. When a pair of clamping plates clamp an object, the other end of the clamping plate contacts the flat pressure sensor. The flat pressure sensor senses the pressure and transmits the signal to the control panel. When the pressure reaches a certain value, the control panel controls the hydraulic cylinder to close, preventing the clamped item from being damaged due to excessive pressure. Description of the Drawings

[0017] Figure 1 is the overall structure diagram of the present utility model.

[0018] Figure 2 is the structure diagram of the rectangular connecting head of the present utility model.

[0019] Figure 3 is the structure diagram of the clamping plate assembly of the present utility model.

[0020] Figure 4 is the sectional structure diagram of the connecting component of the present utility model.

[0021] As shown in the figure: 1. Placing plate; 2. Support plate; 3. Hydraulic cylinder; 4. Connecting plate; 5. Rectangular connecting cylinder; 501. First positioning hole; 6. Rectangular connecting head; 601. Second positioning hole; 7. Connecting component; 8. Clamping plate assembly; 9. Flat pressure sensor; 10. Sleeve; 11. Positioning rod; 12. Slide block; 13. Spring; 14. Pulling plate; 15. Guide rod; 16. Clamping plate; 17. Restricting plate; 18. Buffer spring; 19. Rubber pad; 20. Control panel. Detailed implementation manner

[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0023] Embodiment 1

[0024] Combined with the attached Figure 1 , a detachable and adjustable hydraulic fixture includes a placing plate 1. A pair of support plates 2 are vertically installed at the upper end of the placing plate 1. A hydraulic cylinder 3 with its output end passing through and opposite to each other is installed on the pair of support plates 2. A pair of connecting plates 4 are slidably connected to the upper end of the placing plate 1. A rectangular connecting cylinder 5 is installed on the outer side wall of the connecting plate 4. The output end of the hydraulic cylinder 3 is connected with a rectangular connecting head 6 inserted into the rectangular connecting cylinder 5. A connecting component 7 is installed at the upper end of the rectangular connecting cylinder 5. A clamping plate assembly 8 and a flat pressure sensor 9 are connected to the inner side wall of the connecting plate 4.

[0025] Combined with the above structure, the connecting plate 4 is driven by the hydraulic cylinder 3 to slide on the placing plate 1, so that a pair of clamping plate assemblies 8 slide on the placing plate 1, and an object is clamped by the pair of clamping plate assemblies 8.

[0026] Combined with the attached Figure 2 and the attached Figure 3 , the rectangular connecting cylinder 5 is provided with a first positioning hole 501 penetrating up and down, and the rectangular connecting head 6 is provided with a second positioning hole 601 corresponding to the first positioning hole 501.

[0027] Combined with the attached Figure 4 , the connecting component 7 includes a sleeve 10 installed at the upper end of the rectangular connecting cylinder 5. A positioning rod 11 vertically passes through the sleeve 10. The lower end of the positioning rod 11 passes through the first positioning hole 501 and the second positioning hole 601. A slide block 12 slidably connected to the inner wall of the rectangular connecting cylinder 5 is provided on the positioning rod 11. A spring 13 is wound around the positioning rod 11 at the upper end of the slide block 12. The top end of the positioning rod 11 passes through the top wall of the sleeve 10 and is connected with a pulling plate 14.

[0028] Combined with the above structure, the output end of the hydraulic cylinder 3 and the connecting plate 4 are connected together through the cooperation of the rectangular connecting cylinder 5, the rectangular connector 6, and the connecting component 7. When it is necessary to disassemble the connecting plate 4, just pull the pulling plate 14 to make the positioning rod 11 rise and disengage from the first positioning hole 501 and the second positioning hole 601, then the connecting plate 4 can be taken out, that is, the clamping plate assembly 8 is disassembled, which is convenient for maintaining the clamping plate assembly 8.

[0029] Combined with the attached Figure 3 , the clamping plate assembly 8 includes guide rods 15 vertically passing through the four corners of the connecting plate 4. One end of the inner side of the guide rod 15 is fixed with a clamping plate 16, and one end of the outer side of the guide rod 15 is fixed with a limiting plate 17. A buffer spring 18 is wound around the guide rod 15 between the clamping plate 16 and the connecting plate 4, and a rubber pad 19 is fixed on the inner side of the clamping plate 16.

[0030] Combined with the above components, when a pair of clamping plates 16 clamp both ends of an object, a certain buffering effect is achieved through the buffer spring 18, preventing the impact on the clamped object and the flat plate pressure sensor 9 from being too large and causing damage, and ensuring the service life of the device.

[0031] Combined with the attached Figure 1 , a control panel 20 electrically connected to the hydraulic cylinder 3 and the flat plate pressure sensor 9 is installed at the front end of the placing plate 1.

[0032] When the clamping plate 16 clamps an object, the other end of the clamping plate 16 contacts the flat plate pressure sensor 9. The flat plate pressure sensor 9 senses the pressure and transmits the signal to the control panel 20. When the pressure reaches a certain value, the hydraulic cylinder 3 is controlled to close through the control panel 20 to prevent the clamped item from being damaged due to excessive pressure.

[0033] The specific usage method is as follows:

[0034] Place the item to be clamped on the placing plate 1, drive the connecting plate 4 to slide on the placing plate 1 through the hydraulic cylinder 3, so that a pair of clamping plate assemblies 8 slide on the placing plate 1. Clamp the object through the clamping plates 16 in the pair of clamping plate assemblies 8, and a certain buffering effect is achieved through the buffer spring 18 to prevent the impact on the clamped object and the flat plate pressure sensor 9 from being too large and causing damage, and ensuring the service life of the device; while the other end of the clamping plate 16 contacts the flat plate pressure sensor 9, the flat plate pressure sensor 9 senses the pressure and transmits the signal to the control panel 20. When the pressure reaches a certain value, the hydraulic cylinder 3 is controlled to close through the control panel 20 to prevent the clamped item from being damaged due to excessive pressure;

[0035] When it is necessary to disassemble the connecting plate 4, just pull the pulling plate 14 to make the positioning rod 11 rise and disengage from the first positioning hole 501 and the second positioning hole 601, then the connecting plate 4 can be taken out, that is, the clamping plate assembly 8 is disassembled, which is convenient for maintaining the clamping plate assembly 8.

[0036] The above description is made for the present utility model and its implementation manners. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and without departing from the gist of the creation of the present utility model, they design without creative efforts structural manners and embodiments similar to the technical solution, all of which shall fall within the protection scope of the present utility model.

Claims

1. A detachable and adjustable hydraulic clamp, comprising a placement plate (1), a pair of support plates (2) being vertically mounted on the upper end of the placement plate (1), a pair of support plates (2) being mounted with hydraulic cylinders (3) with output ends passing through them and facing each other, characterized in that: The upper end of the placement plate (1) is slidably connected to a pair of connecting plates (4), the outer side wall of the connecting plate (4) is provided with a rectangular connecting tube (5), the output end of the hydraulic cylinder (3) is connected to a rectangular connector (6) plugged into the rectangular connecting tube (5), the upper end of the rectangular connecting tube (5) is provided with a connecting assembly (7), and the inner side wall of the connecting plate (4) is connected to a clamping plate assembly (8) and a flat plate pressure sensor (9).

2. A detachable and adjustable hydraulic clamp according to claim 1, characterized in that: The rectangular connecting tube (5) is provided with a first positioning hole (501) which passes through from top to bottom, and the rectangular connecting head (6) is provided with a second positioning hole (601) which corresponds to the first positioning hole (501).

3. A detachable and adjustable hydraulic clamp according to claim 2, characterized in that: The connecting assembly (7) comprises a sleeve (10) mounted on the upper end of a rectangular connecting tube (5), a positioning rod (11) vertically passing through the sleeve (10), the lower end of the positioning rod (11) passing through positioning hole 1 (501) and positioning hole 2 (601), a slider (12) slidably connected to the inner wall of the rectangular connecting tube (5) is provided on the positioning rod (11), a spring (13) is wound around the positioning rod (11) at the upper end of the slider (12), and the top end of the positioning rod (11) passes through the top wall of the sleeve (10) and is connected to a pull plate (14).

4. The detachable and adjustable hydraulic clamp according to claim 1, characterized in that: The clamping plate assembly (8) comprises a guide rod (15) vertically passing through the four corners of the connecting plate (4); a clamping plate (16) is fixed to one end of the inner side of the guide rod (15); a limiting plate (17) is fixed to one end of the outer side of the guide rod (15); a buffer spring (18) is wound around the guide rod (15) between the clamping plate (16) and the connecting plate (4); and a rubber pad (19) is fixed to the inner side of the clamping plate (16).

5. The detachable and adjustable hydraulic clamp according to claim 1, characterized in that: A control panel (20) electrically connected to the hydraulic cylinder (3) and the flat plate pressure sensor (9) is installed at the front end of the placement plate (1).

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