A kind of embrace forming device

Abstract

The utility model discloses a kind of combined embrace forming devices, including rack, front-rear feeding device, jacking device, left and right embrace device and expansion shaft, expansion shaft is located on rack, front-rear feeding device is located in the side of jacking device, jacking device is located below expansion shaft, it is correspondingly set with expansion shaft, left and right embrace device is located in the left and right sides of expansion shaft. By front-rear feeding device, plate can be transported to jacking device, by jacking device, plate is upwardly jacked, and it is with expansion shaft effect;Then by left and right embrace device, the two sides of plate are pressed on expansion shaft, so that plate is under the joint action of expansion shaft, jacking device and left and right embrace device, form an integral circle, facilitate subsequent welding. Therefore, by the joint action of each structure, the quick coiling of plate is realized, without being shaped after coiling on external structure, greatly improve the plate coiling efficiency, to improve the overall production efficiency.

Description

Technical Field

[0001] This utility model relates to an important welding structure, and in particular to a clamping and forming device. Background Technology

[0002] When existing metal plates need to be welded into a cylindrical shape, the metal plates must first be rolled into a cylinder, and then the joints of the plates are welded. For example, application number 201510608725.3 discloses a method for rolling and welding metal plates and a rolling and welding fixture. The welding fixture includes a frame 2, a shaping mold that matches the shape of the metal cylinder, a support member, and a pressing device for pressing the joints on both sides of the metal cylinder to the support member to achieve closure. In order to obtain a complete circle, the two sides of the metal plate are first joined together, and then the joined metal plate is pushed into the shaping mold. In this type of fixture, during rolling, the metal plate is initially rolled and then corrected by the mold to facilitate subsequent welding. However, the entire rolling process is inefficient and affects production efficiency. Utility Model Content

[0003] The purpose of this utility model is to provide a clamping and forming device that can solve at least one of the above problems.

[0004] According to one aspect of the present invention, a clamping forming device is provided, including a frame, a front and rear feeding device, a lifting device, a left and right clamping device and a lifting shaft. The lifting shaft is disposed on the frame, the front and rear feeding device is located on one side of the lifting device, the lifting device is located below the lifting shaft and is correspondingly disposed to the lifting shaft, and the left and right clamping devices are located on the left and right sides of the lifting shaft.

[0005] The beneficial effects of this invention are as follows: The front and rear feeding devices transport the sheet metal to the lifting device, which then pushes the sheet metal upwards, interacting with the expansion shaft. Next, the left and right clamping devices press the two sides of the sheet metal firmly against the expansion shaft, thus forming a complete circle under the combined action of the expansion shaft, the lifting device, and the left and right clamping devices, facilitating subsequent welding. Therefore, through the combined action of these structures, rapid sheet metal rolling is achieved, eliminating the need for rolling and shaping on an external structure, significantly improving sheet metal rolling efficiency and consequently enhancing overall production efficiency.

[0006] In some embodiments, the lifting device includes a lifting cylinder, a lifting plate, and a first forming block. The first forming block is located below the expansion shaft and has a first arc-shaped groove that mates with the bottom of the expansion shaft. The lifting cylinder is located below the first forming block, and the lifting plate is connected to the piston rod of the lifting cylinder. The first forming block is fixed to the lifting plate, and the lifting cylinder is vertically positioned. Thus, the lifting cylinder can push the first forming block upwards, thereby extruding and shaping the sheet material on the first forming block under the combined action of the first arc-shaped groove and the expansion shaft, resulting in a V-shape.

[0007] In some embodiments, the left and right clamping device includes a left clamping forming mechanism and a right clamping forming mechanism. The left clamping forming mechanism and the right clamping forming mechanism have the same structure and are located on the left and right sides of the expansion shaft, respectively. This facilitates the rolling of the sheet metal into a circle.

[0008] In some embodiments, the left-side clamping forming mechanism includes a push cylinder, a side plate, and a second forming block. The push cylinder is located on one side of the expansion shaft, and the side plate is connected to the piston rod of the push cylinder. The second forming block is disposed on the side plate and has a second arc-shaped groove that mates with the side of the expansion shaft. The second forming block is located above the first forming block. Thus, by pushing the cylinder, the second forming block can be moved towards the expansion shaft, thereby allowing the two sides of the sheet material to be tightly pressed against the expansion shaft and rolled into a circle under the action of the second arc-shaped groove and the expansion shaft.

[0009] In some implementations, the lifting cylinder and the pushing cylinder are pneumatic cylinders or hydraulic cylinders. This allows for the fulfillment of different application requirements.

[0010] In some embodiments, the front and rear feeding devices include a feeding plate, a feeding cylinder, and a conveying track. The feeding plate is disposed on the conveying track, the feeding cylinder is located on one side of the conveying track, and the feeding plate is located below the expansion shaft. The feeding plate has through holes, which correspond to the first forming block. Thus, the feeding plate, with its through holes, allows the first forming block to easily push the sheet material upward from below the through holes, facilitating the coordination of the various corresponding structures.

[0011] In some embodiments, a limiting block is provided on the feeding plate, located on the outer periphery of the through hole. Thus, the limiting block can limit the material on the feeding plate, preventing displacement during transport and ensuring the quality of subsequent rolling.

[0012] In some embodiments, a limiting plate is provided at one end of the feeding plate, and a pusher plate is provided at the other end. The limiting plate has a shaft hole that corresponds to the center of the expanding shaft, and the pusher plate has a pusher hole whose diameter is the same as the outer diameter of the expanding shaft. Thus, by providing a pusher plate, the rolled and welded product on the expanding shaft can be pushed out through the pusher hole, completing the unloading, saving labor, and improving production efficiency. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of a clamping and forming device according to this utility model;

[0014] Figure 2 This is a schematic diagram of the left-side clamping and forming mechanism in a clamping and forming device of this utility model;

[0015] Figure 3 This is a schematic diagram of the front and rear feeding devices and the lifting device in a clamping and forming device according to this utility model;

[0016] Figure 4 This is a structural schematic diagram of the front and rear feeding devices in a clamping and forming device according to the present invention, viewed from the bottom. Detailed Implementation

[0017] The present invention will now be described in further detail with reference to the accompanying drawings.

[0018] Reference Figures 1-4 A clamping forming device includes a frame 1, front and rear feeding devices 2, a lifting device 3, left and right clamping devices 4, and an expansion shaft 5. The expansion shaft 5 is mounted on the frame 1. The front and rear feeding devices 2 are located on one side of the lifting device 3, which is located below the expansion shaft 5 and corresponding to it. The left and right clamping devices 4 are located on the left and right sides of the expansion shaft 5. The expansion shaft 5 can be a keyed pneumatic expansion shaft, and one end of the mounting shaft of the expansion shaft 5 is fixed to the frame 1.

[0019] In use, the clamping and forming device of this utility model places a sheet of corresponding external size and specifications on the front and rear feeding devices 2, which then transport the sheet to the underside of the expansion shaft 5. Once the sheet is in place, the lifting device 3 moves upward, pressing the sheet together under the action of the lifting device 3 and the expansion shaft 5, forming a V-shape. Subsequently, the left and right clamping devices 4 press the sheet together from both sides of the expansion shaft 5, ensuring the entire sheet is tightly fitted to the expansion shaft, forming a complete circle. This facilitates subsequent welding of the joints of the sheet using welding equipment.

[0020] The lifting device 3 includes a lifting cylinder 31, a lifting plate 32, and a first forming block 33. The first forming block 33 is located below the expansion shaft 5. The first forming block 33 is provided with a first arc-shaped groove 331, which cooperates with the bottom of the expansion shaft 5. The lifting cylinder 31 is located below the first forming block 33. The lifting plate 32 is connected to the piston rod of the lifting cylinder 31. The first forming block 33 is fixed on the lifting plate 32. The lifting cylinder 31 is vertically arranged.

[0021] Specifically, when the front and rear feeding device 2 delivers the plate to the bottom of the expansion shaft 5, the piston rod of the lifting cylinder 31 extends upward, pushing the lifting plate 32 and the first forming block 33 upward. Through the first arc groove 331 and the expansion shaft 5, the plate can be pressed tightly, so that the plate is in close contact with the bottom of the expansion shaft.

[0022] The left and right clamping device 4 includes a left clamping forming mechanism 41 and a right clamping forming mechanism 42. The left clamping forming mechanism 41 and the right clamping forming mechanism 42 have the same structure and are located on the left and right sides of the expansion shaft 5, respectively.

[0023] The left-side clamping forming mechanism 41 includes a push cylinder 411, a side plate 412, and a second forming block 413. The push cylinder 411 is located on one side of the expansion shaft 5. The side plate 412 is connected to the piston rod of the push cylinder 411. The second forming block 413 is disposed on the side plate 412. The second forming block 413 is provided with a second arc-shaped groove 414. The second arc-shaped groove 414 cooperates with the side of the expansion shaft 5. The second forming block 413 is located above the first forming block 33.

[0024] After the lifting device 3 presses the plate upward, both the left-side clamping forming mechanism 41 and the right-side clamping forming mechanism 42 move towards the expansion shaft 5. That is, the piston rod of the push cylinder 411 extends, pushing the side plate 412 and the second forming block 413 towards the expansion shaft, causing the second arc-shaped groove 414 to fit tightly against the outside of the expansion shaft 5. Thus, under the combined action of the first arc-shaped groove 331 and the two second arc-shaped grooves 414 on both sides, the plate can be tightly pressed against the expansion shaft, forming a complete circle. The expansion shaft 5 ensures that it is in a taut state, guaranteeing that the plate can be tightly pressed against the outer wall of the expansion shaft 5, forming a complete circle.

[0025] The lifting cylinder 31 and the pushing cylinder 411 are either pneumatic or hydraulic cylinders, which can meet the requirements of using plates of different thicknesses.

[0026] The front and rear feeding device 2 includes a feeding plate 21, a feeding cylinder 22, and a conveying track 23. The feeding plate 21 is mounted on the conveying track 23, and the feeding cylinder 22 is located on one side of the conveying track 23. The feeding plate 21 is located below the expansion shaft 5. The feeding plate 21 has a through hole 211, which corresponds to the first forming block 33. The conveying track 23 is fixed on the frame 1. There are two conveying tracks 21, located on both sides of the expansion shaft 5, which facilitates the smooth movement of the feeding plate 21. The cylinder body of the feeding cylinder 22 is fixed on the frame 1. The feeding cylinder 22 is arranged parallel to the conveying track 23. By extending and retracting the piston rod of the feeding cylinder 22, the feeding plate 21 can be driven to be conveyed along the conveying track 23.

[0027] A limit block 24 is fixed on the feeding plate 21 by screws, and the limit block 24 is located on the outer periphery of the through hole 211.

[0028] One end of the feeding plate 21 is provided with a limiting plate 25, and the other end is provided with a pusher plate 26. The limiting plate 25 is provided with a shaft hole 251, which corresponds to the center of the expansion shaft 5. The pusher plate 26 is provided with a pusher hole 261, the diameter of which is the same as the outer diameter of the expansion shaft 5. Since the diameter of the pusher hole 261 is the same as the diameter of the expansion shaft 5, when the feeding plate 21 moves to one side of the expansion shaft 5, the pusher plate 26 can move inward along the axial direction of the expansion shaft 5 until the shaft hole 251 on the limiting plate 25 is fitted onto the other end of the mounting shaft of the expansion shaft 5. At this time, the feeding plate 21 has moved into position.

[0029] When the feeding device 2 needs to feed material, the corresponding plate is placed on the feeding plate 21 and positioned above the through hole 211. The limiting plate 25 limits the two sides of the plate to prevent it from shifting during transport. Then, the piston rod of the feeding cylinder 22 extends, pushing the feeding plate 21 towards the expansion shaft 5. After the feeding plate 21 is in place, the lifting device 3 and the left and right clamping devices 4 start to operate, completing the rolling of the plate. After the plate is rolled, the external welding structure welds the joints of the plate. After welding is completed, the lifting device 3 and the left and right clamping devices 4 move away from the expansion shaft, and the feeding cylinder 22 pulls back the piston rod, causing the feeding plate 21 to move outward. At this time, when the pushing hole of the pushing plate 26 moves to the rolled finished product outside the expansion shaft 5, it pushes the product outward, thereby pushing the product off the expansion shaft 5 and completing the unloading.

[0030] The above are merely preferred embodiments of this utility model. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of this utility model, and these all fall within the protection scope of this utility model.

Claims

1. A clamping and forming device, characterized in that, It includes a frame (1), a front and rear feeding device (2), a lifting device (3), a left and right clamping device (4), and a lifting shaft (5). The lifting shaft (5) is mounted on the frame (1). The front and rear feeding device (2) is located on one side of the lifting device (3). The lifting device (3) is located below the lifting shaft (5) and is arranged corresponding to the lifting shaft (5). The left and right clamping device (4) is located on the left and right sides of the lifting shaft (5).

2. The clamping and forming device according to claim 1, characterized in that, The lifting device (3) includes a lifting cylinder (31), a lifting plate (32), and a first forming block (33). The first forming block (33) is located below the expansion shaft (5). The first forming block (33) is provided with a first arc groove (331). The first arc groove (331) cooperates with the bottom of the expansion shaft (5). The lifting cylinder (31) is located below the first forming block (33). The lifting plate (32) is connected to the piston rod of the lifting cylinder (31). The first forming block (33) is fixed on the lifting plate (32). The lifting cylinder (31) is vertically arranged.

3. The clamping and forming device according to claim 2, characterized in that, The left and right embracing device (4) includes a left embracing forming mechanism (41) and a right embracing forming mechanism (42). The left embracing forming mechanism (41) and the right embracing forming mechanism (42) have the same structure and are located on the left and right sides of the expansion shaft (5), respectively.

4. The clamping and forming device according to claim 3, characterized in that, The left-side embracing forming mechanism (41) includes a push cylinder (411), a side plate (412), and a second forming block (413). The push cylinder (411) is located on one side of the expansion shaft (5). The side plate (412) is connected to the piston rod of the push cylinder (411). The second forming block (413) is located on the side plate (412). The second forming block (413) is provided with a second arc-shaped groove (414). The second arc-shaped groove (414) cooperates with the side of the expansion shaft (5). The second forming block (413) is located above the first forming block (33).

5. The clamping and forming device according to claim 4, characterized in that, The lifting cylinder (31) and the pushing cylinder (411) are pneumatic cylinders or hydraulic cylinders.

6. A clamping and forming device according to any one of claims 2 to 5, characterized in that, The front and rear feeding device (2) includes a feeding plate (21), a feeding cylinder (22) and a conveying track (23). The feeding plate (21) is located on the conveying track (23), the feeding cylinder (22) is located on one side of the conveying track (23), the feeding plate (21) is located below the expansion shaft (5), and the feeding plate (21) is provided with a through hole (211), which is corresponding to the first forming block (33).

7. The clamping and forming device according to claim 6, characterized in that, The feeding plate (21) is provided with a limiting block (24), which is located on the outer periphery of the through hole (211).

8. The clamping and forming device according to claim 7, characterized in that, One end of the feeding plate (21) is provided with a limiting plate (25) and the other end is provided with a pusher plate (26). The limiting plate (25) is provided with a shaft hole (251), which corresponds to the center of the expansion shaft (5). The pusher plate (26) is provided with a pusher hole (261), and the diameter of the pusher hole (261) is consistent with the outer diameter of the expansion shaft (5).

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