CN221790650U - A seamless bending sheet metal bending machine - Google Patents

Abstract

The utility model relates to the technical field of bending machines and discloses a traceless bending sheet metal bending machine, which comprises a box body and bending heads, wherein supporting columns are fixedly connected to four corners of the top of the box body, a top plate is fixedly connected to the top of each supporting column, a hydraulic cylinder is fixedly connected to the bottom of each top plate, a fixing plate is fixedly connected to the driving end of each hydraulic cylinder, a cavity is formed in the fixing plate, a fixing rod is fixedly connected to the inner wall of the top of the cavity, a telescopic assembly is arranged outside the fixing rod, buttons are slidably connected to the left side and the right side of the inner portion of the fixing plate, a groove is formed in the bending head, and a sleeve is fixedly connected to the inner wall of the bottom of the groove. According to the utility model, the installation and the disassembly of the folding elbow are realized, so that the folding elbow is convenient for people to replace and maintain, the production efficiency is improved, the positioning of the sheet metal part is realized, the accuracy of the sheet metal part is improved, and the production cost is reduced.

Description

A seamless bending sheet metal bending machine

Technical Field

The utility model relates to the technical field of bending machines, in particular to a sheet metal bending machine for seamless bending.

Background Art

A bending machine is a processing equipment used to bend metal sheets. For thinner metal sheets, conventional bending may easily cause surface scratches or marks. No-mark bending technology can maintain the integrity of the material and provide higher precision.

After searching, the Chinese patent document announcement number: CN213793583U discloses a seamless arc forming bending device for sheet metal parts, which belongs to the technical field of sheet metal parts, and includes a base, a fixing seat is fixed on the base, a positioning mechanism for positioning the sheet metal part is arranged on the fixing seat, and a bending mechanism for arc bending the sheet metal part is arranged on the fixing seat. When the sheet metal part is arc-bent, the sheet metal part is positioned by the positioning mechanism, and then the sheet metal part is arc-bent by the bending mechanism, which is convenient and quick.

Although the above patent can use less force to complete the bending problem of thicker sheet metal parts, it is difficult to disassemble the bending head in the prior art, which easily leads to difficulties in replacement and maintenance, thereby reducing production efficiency. Therefore, in view of the above shortcomings, a seamless bending sheet metal bending machine is proposed.

Utility Model Content

The utility model aims to solve the shortcomings in the prior art and proposes a sheet metal bending machine for seamless bending, aiming to improve the problem that it is difficult to disassemble the bending head, which easily leads to difficulties in replacement and maintenance.

In order to achieve the above purpose, the utility model provides the following technical solutions:

A seamless sheet metal bending machine comprises a box body and a bending head, wherein the top four corners of the box body are fixedly connected with support columns, the top of the support columns are fixedly connected with a top plate, the bottom of the top plate is fixedly connected with a hydraulic cylinder, the driving end of the hydraulic cylinder is fixedly connected with a fixed plate, a cavity is provided inside the fixed plate, a fixing rod is fixedly connected to the top inner wall of the cavity, a telescopic assembly is arranged outside the fixing rod, buttons are slidably connected to the left and right sides of the inside of the fixed plate, a groove is provided inside the bending head, and a sleeve is fixedly connected to the bottom inner wall of the groove;

Through the above technical solution, the metal sheet is bent by hydraulic pressure and mechanical structure, which makes it convenient for people to replace and maintain the bending head and improves production efficiency.

Furthermore, the telescopic assembly includes a hook, and a spring is provided on the adjacent side of the two hooks, and the top of the hook is rotatably connected to the left and right sides of the fixing rod;

Through the above technical solution, the operator can adjust the position of the fixing rod by rotating the hook to facilitate the installation and disassembly of the bending head.

Furthermore, a motor is fixedly connected to the left inner wall of the box, a bidirectional threaded rod is fixedly connected to the driving end of the motor, support rods are fixedly connected to the left and right inner walls of the box, two of the sliders are threadedly connected to the outside of the bidirectional threaded rod, another two sliders are slidably connected to the outside of the support rod, a sliding plate is fixedly connected to the top of the slider, square openings are provided on the front and back sides of the top of the box, sliding blocks are slidably connected to the left and right inner walls of the square opening, and a positioning frame is fixedly connected to the top of the sliding block;

Through the above technical solution, the sheet metal parts are accurately positioned at the required position, thereby achieving the positioning of the sheet metal parts, and then improving the accuracy of the sheet metal parts. The accuracy of the positioning of the sheet metal parts can reduce the amount of rework and scrap, improve the first-time yield of production, and reduce production costs.

Furthermore, one end of the spring is fixedly connected to the left and right sides of the fixing rod, and the other end of the spring is fixedly connected to the adjacent side of the two hooks;

Through the above technical solution, the spring is prevented from being deflected during movement, and the hook drives the compression of the spring.

Furthermore, the outer portion of the fixing rod is engaged with the inner wall of the sleeve, and the bottom of the hook is engaged with the top inner wall of the groove;

Through the above technical solution, the hook is prevented from being unstable and easy to shake, and the installation and disassembly of the bending head is achieved.

Furthermore, the bottom of the positioning frame is slidably connected to the top of the box, and the bottom of the sliding block is slidably connected to the bottom inner wall of the box;

The above technical solution prevents the positioning frame from being offset when it moves, and prevents the slider from being offset when it moves.

Furthermore, the right side of the bidirectional threaded rod is rotatably connected to the right inner wall of the box body, and the outer side of the sliding plate is slidably connected to the left and right inner walls of the box body;

Through the above technical solution, shaking of the bidirectional threaded rod during movement is prevented, thereby improving the stability of the sliding plate.

Furthermore, a bending groove is provided on the top of the box body, and the bottom end of the positioning frame is slidably connected to the inside of the bending groove;

The above technical solution helps to ensure the consistency and reliability of the bending operation and can ensure that the sheet metal parts always maintain a stable position during the bending process.

The utility model has the following beneficial effects:

1. In the utility model, the installation and disassembly of the bending head are realized through the mutual cooperation of the fixing plate, the fixing rod, the spring, the hook, the button, the bending head and the sleeve, thereby facilitating people to replace and maintain the bending head and improving production efficiency.

2. In the utility model, the positioning of the sheet metal parts is achieved through the mutual cooperation of the motor, the bidirectional threaded rod, the support rod, the slider, the sliding plate, the sliding block and the positioning frame, thereby improving the accuracy of the sheet metal parts and reducing the production cost.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a three-dimensional diagram of a sheet metal bending machine for seamless bending proposed by the present invention;

FIG2 is a schematic diagram of a hook structure of a sheet metal bending machine for seamless bending proposed by the present invention;

FIG3 is a schematic diagram of the internal structure of a box of a sheet metal bending machine for seamless bending proposed by the present invention.

Legend:

1. Box body; 2. Support column; 3. Top plate; 4. Hydraulic cylinder; 5. Fixed plate; 6. Cavity; 7. Fixed rod; 8. Spring; 9. Hook; 10. Button; 11. Bending head; 12. Groove; 13. Sleeve; 14. Motor; 15. Bidirectional threaded rod; 16. Support rod; 17. Slider; 18. Sliding plate; 19. Square opening; 20. Sliding block; 21. Positioning frame; 22. Bending groove.

DETAILED DESCRIPTION

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.

Referring to Figures 1-3, an embodiment of the utility model is provided: a seamless sheet metal bending machine, including a box body 1 and a bending head 11, the top four corners of the box body 1 are fixedly connected with support columns 2, the top of the support columns 2 is fixedly connected with a top plate 3, the bottom of the top plate 3 is fixedly connected with a hydraulic cylinder 4, the driving end of the hydraulic cylinder 4 is fixedly connected with a fixed plate 5, the hydraulic cylinder 4 drives the movement of the fixed plate 5, and the fixed plate 5 drives the movement of the bending head 11, a cavity 6 is opened inside the fixed plate 5, a fixing rod 7 is fixedly connected to the top inner wall of the cavity 6, a telescopic component is arranged outside the fixed rod 7, buttons 10 are slidably connected to the left and right sides of the inside of the fixed plate 5, a groove 12 is opened inside the bending head 11, and a sleeve 13 is fixedly connected to the bottom inner wall of the groove 12, which makes it convenient for people to replace and maintain the bending head 11 and improves production efficiency.

2 , the telescopic assembly includes a hook 9 , a button 10 drives the hook 9 to rotate, a spring 8 is provided on the adjacent side of the two hooks 9 , the hook 9 drives the compression of the spring 8 , and the top of the hook 9 is rotatably connected to the left and right sides of the fixing rod 7 .

Referring to Figures 1-3, the left inner wall of the box body 1 is fixedly connected to a motor 14, and the driving end of the motor 14 is fixedly connected to a bidirectional threaded rod 15, and the motor 14 drives the rotation of the bidirectional threaded rod 15, and the left and right inner walls of the box body 1 are fixedly connected to support rods 16, and the external threads of the bidirectional threaded rods 15 are connected to two of the sliders 17, and the bidirectional threaded rods 15 drive the sliding of the sliders 17, and the external sliding connection of the support rods 16 is connected to another two sliders 17, and the top of the slider 17 is fixedly connected to a sliding plate 18, and the slider 17 drives the sliding of the sliding plate 18, and square openings 19 are provided on the front and back sides of the top of the box body 1, and the left and right inner walls of the square opening 19 are slidably connected to sliding blocks 20, and the sliding plate 18 drives the movement of the sliding block 20, and the top of the sliding block 20 is fixedly connected to a positioning frame 21, and the sliding block 20 drives the movement of the positioning frame 21, thereby realizing the positioning of the sheet metal parts, thereby improving the accuracy of the sheet metal parts and reducing the production cost.

One end of the spring 8 is fixedly connected to the left and right sides of the fixing rod 7, which improves the stability of the spring 8. The other end of the spring 8 is fixedly connected to the adjacent side of the two hooks 9. The hook 9 drives the compression of the spring 8, and the outer part of the fixing rod 7 is engaged with the inner wall of the sleeve 13. After people insert the fixing rod 7 into the sleeve 13, the bottom of the hook 9 is engaged with the top inner wall of the groove 12, so that the installation and disassembly of the bending head 11 is achieved. The bottom of the positioning frame 21 is slidably connected to the top of the box body 1, which improves the stability of the positioning frame 21. The bottom of the slider 17 is slidably connected to the bottom inner wall of the box body 1, which improves the stability of the slider 17. The right side of the two-way threaded rod 15 is rotatably connected to the right inner wall of the box body 1, which improves the stability of the two-way threaded rod 15. The outer part of the sliding plate 18 is slidably connected to the inner walls of the left and right sides of the box body 1, which improves the stability of the sliding plate 18. A bending groove 22 is provided on the top of the box body 1, and the bottom end of the positioning frame 21 is slidably connected to the inside of the bending groove 22, so as to realize the positioning of the sheet metal.

Working principle: by pressing the button 10, the button 10 drives the hook 9 to rotate, so that the hook 9 drives the compression of the spring 8. After people insert the fixing rod 7 into the sleeve 13, the button 10 is released. Under the reaction force of the spring 8, the spring 8 drives the hook 9 to rotate, so that the installation and disassembly of the bending head 11 is achieved, which makes it convenient for people to replace and maintain the bending head 11, and improves the production efficiency. By starting the motor 14, the motor 14 drives the rotation of the bidirectional threaded rod 15, so that the bidirectional threaded rod 15 drives the sliding of the slider 17, and the sliding of the sliding plate 18 is driven by the slider 17, so that the sliding plate 18 drives the movement of the sliding block 20, so that the sliding block 20 drives the movement of the positioning frame 21, and the positioning of the sheet metal parts is achieved, thereby improving the accuracy of the sheet metal parts and reducing the production cost.

Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a no trace sheet metal bender of bending, includes box (1) and bending head (11), its characterized in that: the utility model discloses a box, including box (1), bottom, bending head, cavity (6), telescopic subassembly, recess (12) are offered to the top four corners of box (1), the equal fixedly connected with support column (2) in top four corners of support column (2), the top fixedly connected with roof (3) of support column (2), the bottom fixedly connected with pneumatic cylinder (4) of roof (3), drive end fixedly connected with fixed plate (5) of pneumatic cylinder (4), cavity (6) have been seted up to the inside of fixed plate (5), the top inner wall fixedly connected with dead lever (7) of cavity (6), the outside of dead lever (7) is provided with telescopic subassembly, the equal sliding connection in inside left and right sides of fixed plate (5) has button (10), recess (12) have been offered to the inside recess (12) of bottom inner wall fixedly connected with sleeve (13).

2. The traceless bending sheet metal bending machine as defined in claim 1, wherein: the telescopic assembly comprises clamping hooks (9), springs (8) are arranged on the close sides of the two clamping hooks (9), and the tops of the clamping hooks (9) are rotatably connected to the left side and the right side of the fixing rod (7).

3. The traceless bending sheet metal bending machine as defined in claim 1, wherein: the novel electric box comprises a box body (1), wherein a motor (14) is fixedly connected to the left inner wall of the box body (1), a bidirectional threaded rod (15) is fixedly connected to the driving end of the motor (14), supporting rods (16) are fixedly connected to the left inner wall and the right inner wall of the box body (1), two sliding blocks (17) are connected to the outer threads of the bidirectional threaded rod (15), two other sliding blocks (17) are connected to the outer portion of the supporting rods (16) in a sliding mode, sliding plates (18) are fixedly connected to the tops of the sliding blocks (17), square openings (19) are formed in the front side and the rear side of the top of the box body (1), sliding blocks (20) are connected to the inner walls of the left side and the right side of the square openings (19) in a sliding mode, and positioning frames (21) are fixedly connected to the tops of the sliding blocks (20).

4. The traceless bending sheet metal bending machine as defined in claim 2, wherein: one end of the spring (8) is fixedly connected to the left side and the right side of the fixed rod (7), and the other end of the spring (8) is fixedly connected to one side close to the two clamping hooks (9).

5. The traceless bending sheet metal bending machine as defined in claim 2, wherein: the outer part of the fixing rod (7) is clamped with the inner wall of the sleeve (13), and the bottom of the clamping hook (9) is clamped with the inner wall of the top of the groove (12).

6. A traceless bending sheet metal bending machine as defined in claim 3, wherein: the bottom of the locating frame (21) is connected to the top of the box body (1) in a sliding mode, and the bottom of the sliding block (17) is connected to the inner wall of the bottom of the box body (1) in a sliding mode.

7. A traceless bending sheet metal bending machine as defined in claim 3, wherein: the right side of the bidirectional threaded rod (15) is rotationally connected to the right inner wall of the box body (1), and the outer part of the sliding plate (18) is slidingly connected to the left inner wall and the right inner wall of the box body (1).

8. A traceless bending sheet metal bending machine as defined in claim 3, wherein: the top of box (1) has seted up bending groove (22), the bottom sliding connection of locating rack (21) is in bending groove (22) inside.