Adjustable workpiece lower clamping plate for machining and bending metal products

Abstract

The utility model provides an adjustable work piece lower clamping plate for metal product processing and bending, including: mounting plate and locating plate, the upper surface of mounting plate is equipped with the receiving groove, the bottom of receiving groove is fixedly connected with the cylinder, and the multistage telescopic rod of cylinder is fixedly connected with the moving plate, the moving plate is slidingly connected in the receiving groove, and the locating plate is fixed on the mounting plate. And a penetrating opening is formed in the lower end of the positioning plate and slidably connected to the surface of the moving plate, the upper end of the surface of the positioning plate is fixedly connected with a buffer layer, the upper end face of the positioning plate is fixedly connected with a moving block, and the two ends of the moving block are symmetrically connected with sliding blocks. Through cooperation of the movable plate, the positioning plates, the movable blocks, the positioning lead screws, the sliding blocks and the air cylinders, the two sets of positioning plates can conduct corresponding positioning treatment on a plate, it is guaranteed that when the plate is fixed through the clamping transverse plate, the position of the plate does not deviate, and the bending safety and the bending quality of the plate are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bending machine accessories, and specifically relates to an adjustable workpiece lower clamping plate for metal product processing and bending. BACKGROUND

[0002] In the process of forming metal products such as steel plates, a bending machine is usually used to produce bending deformation. The bending machine is an important equipment for workpiece bending and forming in the sheet metal industry. Its function is to press steel plates and other metal products into various shaped parts according to process requirements. The bending machine can be divided into manual bending machines, hydraulic bending machines, and numerical control bending machines. During the bending process of steel plates and other metal products, clamping plates are usually used in cooperation to prevent them from bouncing out and injuring people. The existing clamping plates have fixed structures and single functions, and cannot be used flexibly with steel plates and other metal products of different thicknesses and bending machines of different models.

[0003] After searching, a clamping plate for a steel plate bending machine (application number: CN201920777746.1) is disclosed in the prior art. The lower clamping plate is welded with fixed screws on the upper side and on the left and right sides of the thickness identification rod. The outer side of the fixed screw is fixed with the upper clamping plate through a nut. The nut has four, and the nut is located above and below the upper clamping plate. A plurality of distance adjustment holes matching the diameter of the fixed screw are provided on the surface of the upper clamping plate. The distance adjustment holes are located in the same horizontal direction. The fixed screw passes through the distance adjustment hole. The length of the upper clamping plate is greater than the length of the lower clamping plate. The right side of the upper clamping plate is an upper clamping part. The right side of the lower clamping plate is a lower clamping part. The flat plate is welded on the top of the height adjustment column. The height adjustment column is composed of a plurality of spliced columns. The lower part of the spliced column is a threaded part. The outer surface of the threaded part and the upper inner surface of the spliced column are provided with matching threads. The bottom of the lowest spliced column is welded with a mounting base. The surface of the mounting base is provided with a mounting hole. The clamping plate can clamp steel plates of different thicknesses through the cooperation of the thickness identification rod and the fixed screw. The installation and use height can be adjusted through the setting of the height adjustment column, and it can be used with bending machines of different models. However, the upper clamping plate is moved up and down by the nut, and the worker needs to manually rotate a plurality of nuts frequently during the actual adjustment process, making the adjustment process more tedious. Moreover, the clamping plate only has a corresponding fixing effect on the plate, but lacks a corresponding positioning structure, so the plate may deviate during fixing. SUMMARY

[0004] To overcome the defects of the prior art, an adjustable workpiece lower clamping plate for metal product processing and bending is provided to solve the problems raised in the background.

[0005] In order to achieve the above object, an adjustable workpiece lower clamping plate for metal product processing and bending is provided, comprising: a mounting plate and a positioning plate, a receiving groove is formed on the upper surface of the mounting plate, the bottom of the receiving groove is fixedly connected with a gas cylinder, and the multi-stage telescopic rod of the gas cylinder is fixedly connected with a moving plate, the moving plate is slidingly connected in the receiving groove, the end of the upper surface of the mounting plate is symmetrically connected with a guide rod, and the two ends of a clamping cross plate are slidingly connected with the corresponding guide rods through the guide holes formed therein, a through hole is formed on the lower end of the positioning plate, the through hole is slidingly connected with the surface of the moving plate, a buffer layer is fixedly connected with the upper end of the surface of the positioning plate, a moving block is fixedly connected with the upper end surface of the positioning plate, the two ends of the moving block are symmetrically connected with sliding blocks, and the sliding blocks are slidingly connected in the sliding grooves through the screwing positioning lead screws, and the positioning lead screws are movably connected in the sliding grooves formed in the clamping cross plate through bearings.

[0006] Preferably, the mounting plate is in a rectangular structure, the receiving groove formed on the upper surface of the mounting plate is in a convex structure, and the length of the receiving groove is less than the length of the mounting plate.

[0007] Preferably, the two groups of guide rods fixedly connected with the upper surface of the mounting plate are in a cylindrical structure, and the surfaces of the guide rods are uniformly provided with scale lines, and the sizes of the guide holes formed in the guide rods and the clamping cross plate are matched.

[0008] Preferably, the clamping cross plate is in a whole rectangular structure, two groups of sliding grooves are symmetrically formed on the sides of the clamping cross plate, the two groups of sliding grooves are in a rectangular structure, and the positioning lead screws are movably connected in one group of sliding grooves through bearings, and the clamping cross plate and the sliding grooves combined together are in an I-shaped structure.

[0009] Preferably, the moving block is in a n-shaped structure, two groups of sliding blocks are fixedly connected with the inner side of the moving block relative to the positions of the sliding grooves, the sliding blocks are in a square structure, and screwing holes are formed in the positions of the sliding blocks relative to the positioning lead screws, and the moving block and the sliding blocks combined together are in a C-shaped structure.

[0010] Preferably, the middle part of the lower surface of the moving block is fixedly connected with the positioning plate, the positioning plate is in a convex structure, the size of the lower end of the positioning plate is matched with the size of the receiving groove, and the buffer layer fixedly connected with the upper end of the positioning plate is in a rectangular structure.

[0011] Preferably, the size of the through hole formed in the lower end of the positioning plate is matched with the size of the moving plate, the positioning plate, the moving block, the clamping cross plate and the moving plate combined together are in an I-shaped structure, and the length of the moving plate is matched with the length of the receiving groove.

[0012] Compared with the prior art, the utility model have the advantages that: through the cooperation of the clamping horizontal plate, the positioning screw rod slider and the moving block, two groups of positioning plates can conveniently synchronously move relatively or oppositely, thereby the plate to be fixed can be correspondingly preliminarily positioned, and then the moving plate, the buffer plate and the clamping horizontal plate are synchronously moved by the multistage telescopic rod of the cylinder, so that the clamping horizontal plate can stably and fixedly connect the plate, and the clamping efficiency of the clamping plate on the plate can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a front view schematic diagram of the utility model embodiment.

[0014] Figure 2 It is a side view schematic diagram of the utility model embodiment.

[0015] Figure 3 It is a top view schematic diagram of the utility model embodiment.

[0016] Figure 4 It is a positioning plate and moving block structure schematic diagram of the utility model embodiment.

[0017] In the drawing: 1, mounting plate, 2, storage groove, 3, moving plate, 4, positioning plate, 5, buffer layer, 6, moving block, 7, sliding block, 8, clamping horizontal plate, 9, guide rod, 10, sliding slot, 11, cylinder, 12, positioning screw rod. DETAILED DESCRIPTION

[0018] Referring to Figures 1 to 4 As shown in the utility model provides a kind of adjustable workpiece lower clamping plate for metal product processing bending, it include: mounting plate 1 and positioning plate 4, the upper surface of mounting plate 1 is equipped with storage groove 2, the bottom of storage groove 2 is fixedly connected with cylinder 11, and the multistage telescopic rod of cylinder 11 is fixedly connected with moving plate 3, moving plate 3 is slidably connected in storage groove 2, while the end of mounting plate 1 upper surface is symmetrically connected with guide rod 9, and the both ends of clamping horizontal plate 8 are slidably connected with corresponding guide rod 9 by the guide hole, the lower end of positioning plate 4 is equipped with through hole, and the surface of moving plate 3 is slidably connected with through hole, and the upper end of the surface of positioning plate 4 is fixedly connected with buffer layer 5, and the upper end of positioning plate 4 is fixedly connected with moving block 6, and the both ends of moving block 6 are symmetrically connected with sliding block 7, while sliding block 7 is slidably connected in sliding slot 10 by screwing positioning screw rod 12, and positioning screw rod 12 is movably connected in sliding slot 10 of clamping horizontal plate 8 by bearing.

[0019] In this embodiment, the mounting plate 1 of the clamping plate assembly is fixedly connected to the corresponding mounting slot in the bending machine. The plate to be bent is placed on the upper surface of the mounting plate 1. The positioning screw 12 is rotated by the handwheel. The positioning screw 12 drives the fixedly connected moving block 6 and positioning plate 4 to move synchronously through the two sets of sliders 7. Then, the two sets of positioning plates 4 contact the surface of the plate through the buffer layer 5, and can adjust the placement position of the plate accordingly to avoid the problem of position displacement of the plate during clamping. Then, the switch of the cylinder 11 is turned on. The cylinder 11 drives the moving plate 3 to move down through the multi-stage telescopic rod. The moving plate 3, through the cooperation of the positioning plate 4, the moving block 6 and the slider 7, enables the clamping horizontal plate 8 to move synchronously with the moving plate 3. Therefore, the clamping horizontal plate 8 can clamp and fix the upper surface of the plate accordingly, thereby effectively simplifying the operation process required for clamping the plate and improving the fixing efficiency of the plate.

[0020] In a preferred embodiment, the mounting plate 1 has a rectangular structure, and the storage groove 2 on the upper surface of the mounting plate 1 has a convex cross-section. The bottom of the storage groove 2 is fixedly connected to the cylinder 11 through a groove, and the length of the storage groove 2 is less than the length of the mounting plate 1.

[0021] In this embodiment, as Figure 1 and Figure 2 The opening of the storage slot 2 allows the movable plate 3 to move vertically within the mounting plate 1, thereby ensuring that the clamping plate 8 can clamp and fix the plate to be bent.

[0022] In a preferred embodiment, the two sets of guide rods 9 fixedly connected to the upper surface of the mounting plate 1 are both cylindrical in shape, and the surface of the guide rods 9 is uniformly marked with scale lines. At the same time, the guide rods 9 and the guide holes of the clamping cross plate 8 are matched in size.

[0023] In this embodiment, as Figure 1 and Figure 3 The guide rod 9 and the guide hole are matched in size, which can help enhance the stability of the clamping plate 8 when it moves, and also enhance the overall stability of the clamping plate 8 when fixing the plate to be bent, so as to avoid the problem of the clamping plate 8 shaking with the plate. At the same time, the setting of the scale line makes it easy for workers to quickly determine the height of the clamping plate 8.

[0024] As a preferred embodiment, the clamping horizontal plate 8 has a rectangular structure. Two sets of sliding grooves 10 are symmetrically opened on the sides of the clamping horizontal plate 8. Both sets of sliding grooves 10 have a rectangular structure. The positioning screw 12 is movably connected to one set of sliding grooves 10 through a bearing. At the same time, the cross section formed by the combination of the clamping horizontal plate 8 and the sliding grooves 10 has an I-shaped structure.

[0025] In this embodiment, asFigure 1 And Figure 2 The sliding groove 10 opened on the side of the clamping cross plate 8 can assist in enhancing the connection effect between the moving block 6 and the clamping cross plate 8, and the positioning lead screw 12 movably connected in the sliding groove 10 adopts a bidirectional screw with positive and reverse teeth, so that the positioning lead screw 12 can drive the corresponding moving block 6 to move synchronously through the sliding block 7 screwed.

[0026] As a preferred embodiment, the moving block 6 has a V-shaped structure, two groups of sliding blocks 7 are fixedly connected to the inner side of the moving block 6 relative to the position of the sliding groove 10, and the sliding blocks 7 have a square structure, and the sliding blocks 7 are provided with screw holes corresponding to the position of the positioning lead screw 12, and the moving block 6 and the sliding block 7 are combined together to form a C-shaped structure.

[0027] In this embodiment, as Figure 1 , Figure 2 The size of the sliding block 7 and the sliding groove 10 is matched, which can assist in enhancing the stability of the sliding block 7 when moving, and can also assist in enhancing the fitting effect of the lower surface of the moving block 6 and the clamping cross plate 8, avoiding the problem of shaking of the moving block 6 during movement.

[0028] As a preferred embodiment, the lower surface of the moving block 6 is fixedly connected with the positioning plate 4, the positioning plate 4 has a convex-shaped structure, and the lower end of the positioning plate 4 is matched with the size of the receiving groove 2, and the upper end of the positioning plate 4 is fixedly connected with the buffer layer 5 which has a rectangular structure.

[0029] In this embodiment, as Figure 1 , Figure 2 And Figure 4 The size of the lower end of the positioning plate 4 and the receiving groove 2 is matched, which can assist in enhancing the stability of the positioning plate 4 when moving, avoiding the problem of shaking of the positioning plate 4, and the buffer layer 5 is made of hard rubber material, so that the positioning plate 4 and the plate can still move relative to each other in the vertical direction after the positioning plate 4 completes positioning, so that the clamping cross plate 8 is convenient for fixing the plate.

[0030] As a preferred embodiment, the through hole opened at the lower end of the positioning plate 4 is matched with the size of the moving plate 3, and the positioning plate 4, the moving block 6, the clamping cross plate 8 and the moving plate 3 are combined together to form a character-shaped structure, and the length of the moving plate 3 is matched with the length of the receiving groove 2.

[0031] In this embodiment, as Figure 1 And Figure 2 The size of the through hole and the moving plate 3 is matched, which can avoid the problem of shaking between the positioning plate 4 and the moving plate 3, and can also assist in enhancing the stability of the positioning plate 4 when moving, and the length of the moving plate 3 is matched with the length of the receiving groove 2, which can assist in enhancing the stability of the moving plate 3 when moving in the receiving groove 2.

[0032] The utility model discloses a workpiece lower clamping plate for metal product processing and bending is adjustable, through the cooperation of moving plate 3, positioning plate 4, moving block 6, positioning screw rod 12, sliding block 7 and air cylinder 11, two sets of positioning plate 4 can carry out corresponding positioning treatment to the plate piece, ensure that when clamping cross -board 8 fixed plate, the plate material will not appear the positional deviation problem, ensure the security of plate bending and the bending quality of plate material.

Claims

1. An adjustable workpiece lower clamp plate for bending of a metal article, comprising: The utility model provides a kind of installation plate (1) and positioning plate (4), it is characterized by: the upper surface of the installation plate (1) is equipped with receiving groove (2), the bottom of receiving groove (2) is fixedly connected with air cylinder (11), and the multistage telescopic rod of air cylinder (11) is fixedly connected with moving plate (3), moving plate (3) is slidably connected in receiving groove (2), while the end of the upper surface of installation plate (1) is symmetrically connected with guide rod (9), and the both ends of clamping cross plate (8) are slidably connected with corresponding guide rod (9) through the guide hole equipped, the lower end of the positioning plate (4) is equipped with through hole, and the surface of moving plate (3) is slidably connected with through hole, and the surface of positioning plate (4) is fixedly connected with buffer layer (5) on the upper end, and the surface of positioning plate (4) is fixedly connected with moving block (6) on the upper end, and the both ends of moving block (6) are symmetrically connected with sliding block (7), while sliding block (7) is slidably connected in sliding slot (10) by screwing positioning screw rod (12), and positioning screw rod (12) is movably connected in the sliding slot (10) of the clamping cross plate (8) equipped.

2. The adjustable workpiece lower clamp plate for bending metal stock of claim 1 wherein, The installation plate (1) is rectangular structure, the receiving groove (2) of the upper surface of installation plate (1) is equipped with convex letter-shaped structure, and the bottom of receiving groove (2) is fixedly connected with air cylinder (11) through groove, while the length of receiving groove (2) is less than the length of installation plate (1).

3. The adjustable workpiece lower clamp plate for bending metal stock of claim 1 wherein, The two groups of guide rods (9) fixedly connected on the upper surface of the installation plate (1) are all cylindrical structure, and the surface of guide rod (9) is uniformly equipped with scale line, while the size of guide hole equipped in guide rod (9) and clamping cross plate (8) is suitable.

4. The workpiece lower clamp plate of claim 1 wherein, The clamping cross plate (8) is overall rectangular structure, and two groups of sliding slots (10) are symmetrically equipped on the side surface of the both sides of clamping cross plate (8), and the two groups of sliding slots (10) are all rectangular structure, and positioning screw rod (12) is movably connected in a group of sliding slots (10), while the cross section of the combination of clamping cross plate (8) and sliding slot (10) is I-shaped structure.

5. The adjustable workpiece lower clamp plate for bending metal stock of claim 1 wherein, The moving block (6) is U-shaped structure, and two groups of sliding blocks (7) are fixedly connected in the inner side surface of moving block (6) relative to the position of sliding slot (10), and the sliding block (7) is square structure, and screwing hole is correspondingly equipped in the position of sliding block (7) relative to positioning screw rod (12), while the combination of moving block (6) and sliding block (7) is C-shaped structure.

6. The adjustable workpiece lower clamp plate for bending metal stock of claim 1 wherein, The lower surface of the moving block (6) is fixedly connected with positioning plate (4) in the middle, and the positioning plate (4) is convex letter-shaped structure, and the size of the lower end of positioning plate (4) and receiving groove (2) is suitable, while the buffer layer (5) fixedly connected on the upper end of positioning plate (4) is rectangular structure.

7. The adjustable workpiece lower clamp plate for bending metal stock of claim 1 wherein, The size of the through hole equipped in the lower end of the positioning plate (4) and the size of the moving plate (3) are suitable, and the combination of positioning plate (4), moving block (6), clamping cross plate (8) and moving plate (3) is eye-shaped structure, while the length of moving plate (3) and the length of receiving groove (2) are suitable.

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