Hydraulic clamp for clamping plate welding

Abstract

The utility model discloses a hydraulic clamp for clamping plate welding, and relates to the technical field of clamps. The device comprises a base, the top face of the base is fixedly connected with a bearing plate, the top face of the bearing plate is in sliding connection with a clamping plate base, a top plate is arranged above the bearing plate, a hydraulic cylinder is arranged on the top face of the top plate in a penetrating and inserting mode, and the output shaft end of the hydraulic cylinder is fixedly connected with a first pressing plate. A barrel body is arranged below the top plate, a movable rod is connected to a barrel opening of the barrel body in a penetrating and sliding mode, a threaded barrel is fixedly connected to the rod end of the movable rod, a barrel opening of the threaded barrel is in threaded connection with a lead screw, and a second pressing plate is fixedly connected to the bottom end of the lead screw; the clamping device is good in practicability and can be matched with clamping plates of different sizes, the clamping plates can be pressed and fixed through the first pressing plate and the second pressing plate, and the stability of clamping and fixing is improved.

Description

Technical Field

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

[0002] When the pallet is being welded, it is necessary to clamp and fix it to prevent the pallet from loosening and affecting the welding quality. However, the current clamps for pallet welding have some shortcomings when used. It is inconvenient to cooperate with pallets of different sizes, resulting in poor practicality. In addition, there is still shaking when clamping, which will affect the welding effect. In view of the above problems, the inventor proposes a hydraulic clamp for pallet welding to solve the above problems. Utility Model Content

[0003] In order to solve the problems that the current clamps for welding pallets are not practical and still shake after clamping, the purpose of the utility model is to provide a hydraulic clamp for welding pallets.

[0004] In order to solve the above technical problems, the utility model adopts the following technical scheme: a hydraulic clamp for welding a card plate, comprising a base, the top surface of the base is fixedly connected to a supporting plate, the top surface of the supporting plate is slidably connected to a card plate seat, a top plate is arranged above the supporting plate, a hydraulic cylinder is inserted through the top surface of the top plate, the output shaft end of the hydraulic cylinder is fixedly connected to a first pressure plate, a cylinder is arranged below the top plate, a movable rod is inserted and slidably connected to the cylinder mouth of the cylinder, the rod end of the movable rod is fixedly connected to a threaded cylinder, the cylinder mouth of the threaded cylinder is threadedly connected to a screw rod, and the bottom end of the screw rod is fixedly connected to a second pressure plate.

[0005] The top surface of the support plate is fixedly connected with a slide rail, and the slide rail is corresponding to the slide groove and is slidably connected to the top surface of the support plate and a stepped groove is provided on the top surface of the support plate and a stepped groove is provided on one side of the slide groove. The end surface of the support plate is fixedly connected with a convex plate, and the top surface of the convex plate is interspersed with a fastening bolt, and the fastening bolt corresponds to the stepped groove. When the position of the clamping plate seat needs to be adjusted to cooperate with clamping plates of different sizes, the nut is loosened and the clamping plate seat is pushed. Through the mutual cooperation of the slide rail and the slide groove, the clamping plate seat can be translated to adjust the position of the clamping plate seat. After adjustment, the nut is tightened to limit and fix the adjusted clamping plate seat.

[0006] Preferably, the head of the fastening bolt corresponds to and cooperates with the large notch of the step groove, the rod of the fastening bolt corresponds to and cooperates with the small notch of the step groove, the side wall thread sleeve of the fastening bolt is provided with a nut, the step groove is small at the top and large at the bottom, the fastening bolt can move in the step groove, the bottom surface of the top plate is fixedly connected with a vertical frame, the side of the vertical frame facing away from the top plate is fixedly connected to the top surface of the supporting plate, the side wall of the cylinder is provided with a fixing seat, the fixing seat is fixedly connected to the side wall of the vertical frame, the vertical frame plays a role of supporting and fixing the top plate, and the cylinder is installed and fixed by the fixing seat.

[0007] Preferably, a threaded hole is penetrated through the side wall of the cylinder, and a tightening knob is provided on one side of the cylinder. The rod portion of the tightening knob corresponds to the threaded hole and is threadedly connected. The rod end of the tightening knob corresponds to the movable rod. The tightening knob is loosened so that the rod end of the tightening knob is separated from the movable rod, and the movable rod can be pushed and pulled to adjust the position of the second pressure plate so that the second pressure plate can correspond to the card plate. A hexagonal handle is fixed on the side wall of the screw rod. The hexagonal handle is twisted with an external wrench to rotate the screw rod. Through the mutual cooperation between the screw rod and the threaded barrel, the second pressure plate falls to press and fix the card plate, thereby playing a role of auxiliary pressing and fixing.

[0008] Compared with the prior art, the beneficial effect of the utility model lies in that the first pressure plate can fall under the action of the hydraulic cylinder output shaft to press and fix the card on the card seat. At the same time, adjustable second pressure plates are provided on both sides of the first pressure plate. The card can be pressed and fixed by the second pressure plates to play an auxiliary pressing and fixing role, thereby improving stability. The card seat can be adjusted in position so as to cooperate with card plates of different sizes to improve practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] 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.

[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0011] Figure 2 It is a structural schematic diagram of the card seat of the utility model.

[0012] Figure 3 It is an enlarged view of point A of the present utility model.

[0013] Figure 4It is an enlarged view of point B of the present utility model.

[0014] Figure 5 It is an enlarged view of point C of the present utility model.

[0015] In the figure: 1. base; 2. supporting plate; 3. slide groove; 4. step groove; 5. card seat; 6. slide rail; 7. convex plate; 8. fastening bolt; 9. nut; 10. stand; 11. top plate; 12. hydraulic cylinder; 13. base; 14. first pressure plate; 15. cylinder; 16. fixed seat; 17. movable rod; 18. threaded cylinder; 19. fastening knob; 20. screw rod; 21. hexagonal handle; 22. second pressure plate. DETAILED DESCRIPTION

[0016] 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.

[0017] Example: Figure 1-5 As shown, the utility model provides a hydraulic clamp for welding a card plate, comprising a base 1, the top surface of the base 1 is fixedly connected to a supporting plate 2, the top surface of the supporting plate 2 is slidably connected to a card plate seat 5, a top plate 11 is arranged above the supporting plate 2, a hydraulic cylinder 12 is inserted through the top surface of the top plate 11, a first pressure plate 14 is fixedly connected to the output shaft end of the hydraulic cylinder 12, a cylinder body 15 is arranged below the top plate 11, a movable rod 17 is inserted and slidably connected to the barrel mouth of the cylinder body 15, the rod end of the movable rod 17 is fixedly connected to a threaded cylinder 18, the barrel mouth of the threaded cylinder 18 is threadedly connected to a screw rod 20, and the bottom end of the screw rod 20 is fixedly connected to a second pressure plate 22.

[0018] A base 13 is disposed on the side wall of the hydraulic cylinder 12 , and a bottom surface of the base 13 is fixedly connected to a top surface of the top plate 11 .

[0019] By adopting the above technical solution, the hydraulic cylinder 12 is installed through the base 13, and when the hydraulic cylinder 12 is started, the first pressing plate 14 can fall under the action of the output shaft of the hydraulic cylinder 12 to press and fix the clamping plate on the clamping plate seat 5.

[0020] A slide groove 3 is provided on the top surface of the supporting plate 2, and a slide rail 6 is fixedly connected to the bottom surface of the card seat 5, and the slide rail 6 corresponds to the slide groove 3 and is slidably connected. A step groove 4 is provided on the top surface of the supporting plate 2 and on one side of the slide groove 3, and a convex plate 7 is fixedly connected to the end surface of the card seat 5, and a fastening bolt 8 is inserted on the top surface of the convex plate 7, and the fastening bolt 8 corresponds to the step groove 4.

[0021] By adopting the above technical solution, when the position of the card seat 5 needs to be adjusted to cooperate with card plates of different sizes, loosen the nut 9 and push the card seat 5. Through the mutual cooperation of the slide rail 6 and the slide groove 3, the card seat 5 can be translated to adjust the position of the card seat 5. After adjustment, tighten the nut 9 to limit and fix the adjusted card seat 5.

[0022] The head of the fastening bolt 8 corresponds to and matches with the large notch of the stepped groove 4, the rod of the fastening bolt 8 corresponds to and matches with the small notch of the stepped groove 4, and a nut 9 is threadedly sleeved on the side wall of the fastening bolt 8.

[0023] By adopting the above technical solution, the stepped groove 4 is small at the top and large at the bottom, and the fastening bolt 8 can move in the stepped groove 4.

[0024] The bottom surface of the top plate 11 is fixedly connected to a stand 10 , and the side of the stand 10 facing away from the top plate 11 is fixedly connected to the top surface of the support plate 2 . The side wall of the cylinder 15 is provided with a fixing seat 16 , and the fixing seat 16 is fixedly connected to the side wall of the stand 10 .

[0025] By adopting the above technical solution, the stand 10 plays a role of supporting and fixing the top plate 11 , and the cylinder 15 is installed and fixed by the fixing seat 16 .

[0026] A threaded hole is formed through the side wall of the cylinder 15 . A tightening knob 19 is formed on one side of the cylinder 15 . The rod of the tightening knob 19 corresponds to the threaded hole and is threadedly connected. The rod end of the tightening knob 19 corresponds to the movable rod 17 .

[0027] By adopting the above technical solution, the tightening knob 19 is loosened so that the rod end of the tightening knob 19 is separated from the movable rod 17, and the movable rod 17 can be pushed and pulled to adjust the position of the second pressure plate 22 so that the second pressure plate 22 can correspond to the card plate. A hexagonal handle 21 is fixedly sleeved on the side wall of the screw rod 20. The hexagonal handle 21 is twisted by an external wrench to rotate the screw rod 20. Through the mutual cooperation between the screw rod 20 and the threaded tube 18, the second pressure plate 22 falls to press and fix the card plate, thereby playing a role of auxiliary pressing and fixing.

[0028] Working principle: When the utility model is used, when it is necessary to cooperate with the cardboards of different sizes, the nut 9 is loosened, and the cardboard seat 5 is pushed. Through the cooperation between the slide rail 6 and the slide groove 3, the cardboard seat 5 can be translated to adjust the position of the cardboard seat 5 so that the cardboard seat 5 and the cardboard are matched. After the adjustment, the nut 9 is tightened to limit and fix the adjusted cardboard seat 5;

[0029] Next, the cardboard is placed on the adjusted cardboard seat 5, and the hydraulic cylinder 12 is started. The first pressing plate 14 can fall down under the action of the output shaft of the hydraulic cylinder 12 to press and fix the cardboard on the cardboard seat 5;

[0030] Then, loosen the tightening knob 19 so that the rod end of the tightening knob 19 is separated from the movable rod 17, and then push and pull the movable rod 17 to adjust the position of the second pressure plate 22 so that the second pressure plate 22 can correspond to the card plate, and turn the hexagonal handle 21 with an external wrench to rotate the screw rod 20. Through the mutual cooperation between the screw rod 20 and the threaded tube 18, the second pressure plate 22 falls to press and fix the card plate, thereby playing a role of auxiliary pressing and fixing.

[0031] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A hydraulic clamp for plate welding, comprising a base (1), characterized in that: The top surface of the base (1) is fixedly connected to a supporting plate (2), the top surface of the supporting plate (2) is slidably connected to a clamping plate seat (5), a top plate (11) is arranged above the supporting plate (2), a hydraulic cylinder (12) is inserted through the top surface of the top plate (11), the output shaft end of the hydraulic cylinder (12) is fixedly connected to a first pressing plate (14), a cylinder (15) is arranged below the top plate (11), a movable rod (17) is inserted and slidably connected to the cylinder mouth of the cylinder (15), the rod end of the movable rod (17) is fixedly connected to a threaded cylinder (18), the cylinder mouth of the threaded cylinder (18) is threadedly connected to a screw rod (20), and the bottom end of the screw rod (20) is fixedly connected to a second pressing plate (22).

2. A hydraulic clamp for plate welding as claimed in claim 1, characterized in that: A base (13) is provided on the side wall of the hydraulic cylinder (12), and the bottom surface of the base (13) is fixedly connected to the top surface of the top plate (11).

3. A hydraulic clamp for plate welding as claimed in claim 1, characterized in that: The top surface of the support plate (2) is provided with a slide groove (3), and the bottom surface of the clamping plate seat (5) is fixedly connected with a slide rail (6), and the slide rail (6) corresponds to the slide groove (3) and is slidably connected thereto.

4. A hydraulic clamp for plate welding as claimed in claim 3, characterized in that: A stepped groove (4) is provided on the top surface of the support plate (2) and on one side of the slide groove (3); a convex plate (7) is fixedly connected to the end surface of the clamping plate seat (5); a fastening bolt (8) is inserted through the top surface of the convex plate (7); and the fastening bolt (8) corresponds to the stepped groove (4).

5. A hydraulic clamp for plate welding as claimed in claim 4, characterized in that: The head of the fastening bolt (8) corresponds to and matches the large notch of the stepped groove (4), the rod of the fastening bolt (8) corresponds to and matches the small notch of the stepped groove (4), and a nut (9) is provided on the side wall thread sleeve of the fastening bolt (8).

6. A hydraulic clamp for plate welding as claimed in claim 1, characterized in that: The bottom surface of the top plate (11) is fixedly connected to a stand frame (10), and a surface of the stand frame (10) facing away from the top plate (11) is fixedly connected to the top surface of the support plate (2).

7. A hydraulic clamp for plate welding as claimed in claim 6, characterized in that: A fixing seat (16) is provided on the side wall of the cylinder (15), and the fixing seat (16) is fixedly connected to the side wall of the stand (10).

8. A hydraulic clamp for plate welding as claimed in claim 1, characterized in that: A threaded hole is provided through the side wall of the cylinder (15), a tightening knob (19) is provided on one side of the cylinder (15), a rod portion of the tightening knob (19) corresponds to the threaded hole and is threadedly connected, and a rod end of the tightening knob (19) corresponds to the movable rod (17).

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