Clamp for bending metal plate

Abstract

The utility model relates to the technical field of metal plates, in particular to a clamp for bending a metal plate, which comprises a table body, a positioning structure and a limiting structure, the upper end of a hydraulic table in the table body is connected with the positioning structure through bolts, and two sides of a connecting rod in the positioning structure are connected with clamping rings on two sides through bolts. Supporting rods on the inner sides of the clamping rings on the two sides are inserted into sliding rods, second threaded rods are rotationally connected into the sliding rods, the lower ends of connecting rods are connected with rolling wheels through bolts, the two sides of a groove in the table body are connected with limiting structures through bolts, and sliding grooves in the limiting structures are hollow. A metal plate is inserted into the upper end of a groove from the lower end of a roller, so that the roller can press the metal plate, and a first threaded rod is rotated to enable the lower end of a friction plate to abut against the metal plate, so that the metal plate cannot shake in the hydraulic process; and when the limiting sliding blocks are pushed to enable the limiting blocks to abut against the two sides of the metal plate for fixing, the two sides of the metal plate cannot be damaged in the bending process.

Description

Technical Field

[0001] The utility model relates to the technical field of metal plates, in particular to a clamp for bending metal plates. Background Art

[0002] Metal sheets are decorative sheets made of metal materials such as aluminum and aluminum alloys, steel plates, stainless steel, copper, etc., and their surfaces are processed through different processes such as spraying, painting, and transfer.

[0003] However, during the bending process of existing metal plates, the plates on both sides of the metal plates will bend due to their own weight, causing the ends of the plates to need to be reprocessed, or because the two sides of the metal plates are not fixed during the bending process, the metal plates move during the bending process, causing the edges of the metal plates to be bent and turned into waste, which is time-consuming and labor-intensive.

[0004] Therefore, in order to solve the above problems, a metal sheet bending fixture is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a clamp for bending metal sheets, so as to solve the problems mentioned in the above background technology that the metal sheets bend on both sides due to their own weight during the bending process and need to be reprocessed, and the two ends of the sheets are not fixed, resulting in the edges of the metal sheets being bent and turned into waste during the bending process.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a metal sheet bending fixture, comprising: a table body, a positioning structure, and a limiting structure;

[0007] The upper end of the hydraulic table in the table body is connected to the positioning structure with bolts, and the two sides of the connecting rod in the positioning structure are connected to the two side clamps with bolts, the support rods inside the two side clamps are inserted into the sliding rod, the sliding rod is rotatably connected to the second threaded rod, the lower end of the connecting rod is connected to the roller with bolts, and the two sides of the groove in the table body are connected to the limiting structure with bolts, the slide groove in the limiting structure is hollow inside, and the hollow part inside the slide groove is movably connected to the bottom slider, the upper end of the bottom slider is welded to the lower end of the limiting slider, and the hollow part of the thread at the rear end of the limiting slider is rotatably connected to the rotating bolt.

[0008] Preferably, the lower end of the hydraulic table in the table body is connected to the table legs with bolts, the center of the upper end of the hydraulic table is hollow to form a groove, the four sides of the groove are connected to the lower end of the pillar with bolts, and the upper end of the pillar is connected to the four sides of the support plate with bolts.

[0009] Preferably, the lower end of the support plate is connected to the hydraulic structure with bolts, the limit columns are movably connected on both sides of the center of the support plate, the lower end of the limit columns is connected to the upper end of the hydraulic head with bolts, and the center of the upper end of the hydraulic head is connected to the lower end of the hydraulic structure with bolts.

[0010] Preferably, the connecting rod in the positioning structure is hollow on both sides of the center, the hollow parts on both sides of the center of the connecting rod are rotatably connected to the first threaded rod, the lower end of the first threaded rod is welded to the upper end of the friction plate, and the lower end of the center of the connecting rod is connected to the roller with bolts.

[0011] Preferably, the two sides of the connecting rod are connected to the two side clamping rings with bolts, the two sides of the two side clamping rings are welded to the rear end of the support rod, the middle hollow part of the support rod is welded to the two sides of the circular gasket, the two side clamping rings are movably connected to the outside of the sliding rod, the internal thread of the sliding rod is hollow, and the hollow part of the internal thread of the sliding rod is rotatably connected to the second threaded rod.

[0012] Preferably, the lower end of the limiting slider in the limiting structure is welded to the upper end of the bottom slider, and a rotating bolt is inserted into the hollow part of the thread at the rear end of the limiting slider.

[0013] Preferably, the bottom slider is slidably connected in the slide groove, and the front end of the limit slider is welded to the rear end of the limit block.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the utility model can insert the metal sheet from the lower end of the roller into the upper end of the groove so that the roller can press the metal sheet, and when the first threaded rod is rotated, the lower end of the friction plate presses against the metal sheet so that the metal sheet will not shake during the hydraulic process, and when the limit slider is pushed so that the limit block presses against both sides of the metal sheet to fix it, the two sides of the metal sheet will not be damaged during the bending process.

[0015] 1. The utility model is provided with a connecting rod, a first threaded rod, a friction plate, a roller, clamping rings on both sides, a supporting rod, a circular gasket, a sliding rod and a second threaded rod. By inserting a metal plate from the bottom of the roller into the upper end of the groove, the metal plate can be pressed by the rollers on both sides so that the metal plate will not shake during the hydraulic process. By rotating the first threaded rod to press the friction plate against the metal plate, the metal plate can have a certain resistance on both sides when it is hydraulically contracted inwardly, so that the metal plate can be bent smoothly during the hydraulic process and will not suddenly warp up and injure the staff. The circular gaskets inside the clamping rings on both sides are supported by the lower end of the second threaded rod, so that when the second threaded rod is rotated in the sliding rod, the connecting rod connected to the clamping rings on both sides can move up and down.

[0016] 2. The utility model provides a limit slider, a bottom slider, a rotating bolt, a slide groove and a limit block. The bottom slider sliding inside the slide groove can make the limit slider on the upper end of the bottom slider slide. The limit slider can be fixed by friction by rotating the rotating bolt at the rear end of the limit slider. The limit block at the front end of the limit slider can support the metal plate so that both sides of the metal plate will not get stuck during the hydraulic process. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 It is a schematic side cross-sectional view of the structure of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the positioning structure of the utility model;

[0020] Figure 4 It is a schematic top view of the structure of the clamping rings on both sides of the utility model.

[0021] In the figure: 1. table body; 101. hydraulic table; 102. table legs; 103. groove; 104. pillar; 105. support plate; 106. hydraulic structure; 107. limit column; 108. hydraulic head; 2. positioning structure; 201. connecting rod; 202. first threaded rod; 203. friction plate; 204. roller; 205. two-side clamping rings; 206. support rod; 207. circular gasket; 208. sliding rod; 209. second threaded rod; 3. limit structure; 301. limit slider; 302. bottom slider; 303. rotating bolt; 304. slide groove; 305. limit block. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-4 , an embodiment provided by the utility model:

[0024] A metal plate bending fixture, comprising: a table body 1, a positioning structure 2, and a limiting structure 3;

[0025] The upper end of the hydraulic table 101 in the table body 1 is connected to the positioning structure 2 with bolts, and the two sides of the connecting rod 201 in the positioning structure 2 are connected to the two side clamping rings 205 with bolts, and the support rods 206 inside the two side clamping rings 205 are inserted into the sliding rod 208, and the sliding rod 208 is rotatably connected to the second threaded rod 209, and the lower end of the connecting rod 201 is connected to the roller 204 with bolts, and the two sides of the groove 103 in the table body 1 are connected to the limiting structure 3 with bolts, and the slide groove 304 in the limiting structure 3 is hollow inside, and the hollow inside of the slide groove 304 is movably connected to the bottom slider 302, the upper end of the bottom slider 302 is welded to the lower end of the limiting slider 301, and the rear end of the limiting slider 301 is rotatably connected to the rotating bolt 303 at the threaded hollow part.

[0026] Furthermore, the lower end of the hydraulic table 101 in the table body 1 is connected to the table legs 102 with bolts, the center of the upper end of the hydraulic table 101 is hollow to form a groove 103, the four sides of the groove 103 are connected to the lower end of the support 104 with bolts, and the upper end of the support 104 is connected to the four sides of the support plate 105 with bolts. The groove 103 is used to bend the metal sheet, and the support 104 is used to support the support plate 105.

[0027] Furthermore, the lower end of the support plate 105 is connected to the hydraulic structure 106 with bolts, and the limiting columns 107 are movably connected on both sides of the center of the support plate 105. The lower end of the limiting column 107 is connected to the upper end of the hydraulic head 108 with bolts, and the center of the upper end of the hydraulic head 108 is connected to the lower end of the hydraulic structure 106 with bolts. The lower end of the hydraulic structure 106 is connected to the hydraulic head 108 for bending metal sheets.

[0028] Furthermore, the connecting rod 201 in the positioning structure 2 is hollow on both sides of the center, and the hollow parts on both sides of the center of the connecting rod 201 are rotatably connected to the first threaded rod 202. The lower end of the first threaded rod 202 is welded to the upper end of the friction plate 203, and the lower end of the center of the connecting rod 201 is bolted to the roller 204. The first threaded rods 202 on both sides of the connecting rod 201 are used to press the friction plate 203 downward to press the metal plate so that the two sides of the metal plate will not curl up during the bending process.

[0029] Furthermore, the two sides of the connecting rod 201 are connected to the two side clamping rings 205 with bolts, the two sides of the inner sides of the two side clamping rings 205 are welded to the rear end of the support rod 206, the middle hollow part of the support rod 206 is welded to the two sides of the circular gasket 207, the two side clamping rings 205 are movably connected to the outside of the sliding rod 208, the internal thread of the sliding rod 208 is hollow, and the internal thread hollow part of the sliding rod 208 is rotatably connected to the second threaded rod 209, the circular gasket 207 on the inner side of the support rod 206 is used to cushion the second threaded rod 209, and the two side clamping rings 205 are used to enable the connecting rod 201 to move up and down.

[0030] Furthermore, the lower end of the limiting slider 301 in the limiting structure 3 is welded to the upper end of the bottom slider 302, and a rotating bolt 303 is inserted into the hollow thread at the rear end of the limiting slider 301. The bottom slider 302 at the lower end of the limiting slider 301 is used to enable the limiting slider 301 to slide.

[0031] Furthermore, the bottom slider 302 is slidably connected in the slide groove 304, the front end of the limit slider 301 is welded to the rear end of the limit block 305, the slide groove 304 is used to make the bottom slider 302 slide, and the limit block 305 is used to support the two sides of the metal sheet so that the metal sheets on both sides will not bend.

[0032] Working principle: When in use, first push the metal sheet from the lower end of the roller 204 into the upper end of the groove 103, then push the limit slider 301 so that the limit block 305 at the front end of the limit slider 301 presses against both sides of the metal sheet so that the two sides of the metal sheet will not be damaged during the bending process, then rotate the second threaded rod 209 to make the clamping rings 205 on both sides move up and down, so that the outer side of the roller 204 at the lower end of the connecting rod 201 presses against the upper end of the metal sheet, then rotate the first threaded rod 202 to make the lower end of the friction plate 203 press against the metal sheet, then start the hydraulic structure 106 to press downward so that the hydraulic head 108 moves downward to bend.

[0033] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A metal sheet bending fixture, comprising: Table body (1), positioning structure (2), limiting structure (3); The invention is characterized in that: the upper end of the hydraulic table (101) in the table body (1) is connected to the positioning structure (2) by bolts, the two sides of the connecting rod (201) in the positioning structure (2) are connected to the two side clamping rings (205) by bolts, the support rods (206) inside the two side clamping rings (205) are inserted into the sliding rod (208), the sliding rod (208) is rotatably connected to the second threaded rod (209), the lower end of the connecting rod (201) is connected to the roller (204) by bolts, the two sides of the groove (103) in the table body (1) are connected to the limiting structure (3) by bolts, the slide groove (304) in the limiting structure (3) is hollow inside, the hollow inside of the slide groove (304) is movably connected to the bottom slider (302), the upper end of the bottom slider (302) is welded to the lower end of the limiting slider (301), and the rear end of the limiting slider (301) is rotatably connected to the rotating bolt (303) at the threaded hollow part.

2. A metal sheet bending fixture according to claim 1, characterized in that: The lower end of the hydraulic table (101) in the table body (1) is connected to the table legs (102) by bolts, the center of the upper end of the hydraulic table (101) is hollow to form a groove (103), the four sides of the groove (103) are connected to the lower end of the support (104) by bolts, and the upper end of the support (104) is connected to the four sides of the support plate (105) by bolts.

3. A metal sheet bending fixture according to claim 2, characterized in that: The lower end of the support plate (105) is connected to the hydraulic structure (106) by bolts, and the two sides of the center of the support plate (105) are movably connected to the limit columns (107), the lower end of the limit columns (107) is connected to the upper end of the hydraulic head (108) by bolts, and the center of the upper end of the hydraulic head (108) is connected to the lower end of the hydraulic structure (106) by bolts.

4. The metal sheet bending fixture according to claim 1, characterized in that: The connecting rod (201) in the positioning structure (2) is hollow on both sides of the center, and the hollow parts on both sides of the center of the connecting rod (201) are rotatably connected to the first threaded rod (202), the lower end of the first threaded rod (202) is welded to the upper end of the friction plate (203), and the lower end of the center of the connecting rod (201) is connected to the roller (204) by bolts.

5. The metal sheet bending fixture according to claim 4, characterized in that: The two sides of the connecting rod (201) are connected to the two side clamping rings (205) by bolts, the two sides of the inner sides of the two side clamping rings (205) are welded to the rear end of the support rod (206), the middle hollow part of the support rod (206) is welded to the two sides of the circular gasket (207), the two side clamping rings (205) are movably connected to the outside of the sliding rod (208), the internal thread of the sliding rod (208) is hollow, and the internal thread hollow part of the sliding rod (208) is rotatably connected to the second threaded rod (209).

6. The metal sheet bending fixture according to claim 1, characterized in that: The lower end of the limiting slider (301) in the limiting structure (3) is welded to the upper end of the bottom slider (302), and a rotating bolt (303) is inserted into the hollow part of the thread at the rear end of the limiting slider (301).

7. The metal sheet bending fixture according to claim 6, characterized in that: The bottom slider (302) is slidably connected in the slide groove (304), and the front end of the limit slider (301) is welded to the rear end of the limit block (305).

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