CN220970436U

CN220970436U - Bending structure convenient for adjusting bending angle

Info

Publication number: CN220970436U
Application number: CN202322607188.3U
Authority: CN
Inventors: 陈国明
Original assignee: Huizhou Qililong Machinery Equipment Co ltd
Current assignee: Huizhou Qililong Machinery Equipment Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-05-17
Anticipated expiration: 2033-09-26

Abstract

The utility model discloses a bending structure convenient for adjusting a bending angle, which relates to the technical field of bending machines and comprises a frame and an adjusting component, wherein a hydraulic cylinder is arranged in the center of the top of the frame, the adjusting component for adjusting the bending angle is arranged at the bottom of the frame, the adjusting component comprises a worm, a worm wheel, a screw rod, a screw sleeve, a supporting plate, a supporting rod, a sliding rod, a limiting plate, a rotating seat and a connecting shaft, one side of the worm is meshed with the worm wheel, and the screw rod is arranged in the worm wheel. This structure of bending convenient to adjust angle of bending passes through the setting of adjusting part, when the angle when needs to bend the panel is adjusted, can make the screw rod in all worm wheels synchronous rotation through the worm, and the swivel nut just can drive the backup pad and remove to push-and-pull limiting plate through the slide bar on the branch, with adjust the contained angle between the seat of turning, make and can form different angles when the pressure head compresses tightly the panel, be favorable to improving the application range of equipment.

Description

Bending structure convenient for adjusting bending angle

Technical Field

The utility model relates to the technical field of bending machines, in particular to a bending structure convenient for adjusting a bending angle.

Background

The bending machine is an important device for bending and forming workpieces in the sheet metal industry, and has the function of pressing steel plates into parts with various shapes according to process requirements, wherein the bending machine is divided into a manual bending machine, a hydraulic bending machine and a numerical control bending machine, and the manual bending machine is divided into a mechanical manual bending machine and an electric manual bending machine.

Bending machines are disclosed as the utility model of application No. zl202222974722. X. When the bending machine is used for bending the plate, the fixing mechanism is used for limiting the plate, the inner side of the L-shaped block is contacted with two ends of the plate, the fixing assembly is used for limiting the upper end of the plate, the condition that the bending effect is influenced by deflection when the plate is bent is reduced, but in the actual use process of the bending machine, the die of the bending machine is required to be disassembled and replaced, the angle during bending can be changed, and the problem that time and labor are wasted during adjustment is caused.

Accordingly, in view of the above, research and improvement are made on the existing structure and the defects, and a bending structure is provided which is convenient for adjusting the bending angle.

Disclosure of utility model

The utility model aims to provide a bending structure which is convenient for adjusting the bending angle so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bending structure convenient to adjust angle of bending, includes frame and adjusting part, the top central authorities of frame settle there is the pneumatic cylinder for adjust the angle of bending adjusting part sets up in the bottom of frame, adjusting part includes worm, worm wheel, screw rod, swivel nut, backup pad, branch, slide bar, limiting plate, rotates seat and connecting axle, one side meshing of worm has the worm wheel, and the internally mounted of worm wheel has the screw rod, the upper end outside threaded connection of screw rod has the swivel nut, and the top of swivel nut is fixed with the backup pad, both ends all are provided with branch about the top of backup pad, and the inside slide bar of arranging of branch upper end, the outside sliding connection of slide bar has the limiting plate, and the top of limiting plate is settled there is the rotation seat, and the lower extreme inside of rotation seat is fixed with the connecting axle.

Further, the screws are equidistantly distributed relative to the bottom of the frame, and the screws are rotationally connected with the frame.

Further, the width of the inner opening of the limiting plate is equal to the diameter of the sliding rods, and the number of the sliding rods is two.

Further, the rotating seat is in sliding connection with the frame, and the frame is in rotating connection with the connecting shaft.

Further, the bottom of pneumatic cylinder is fixed with the lifter plate, and both ends all are provided with the polished rod around the top of lifter plate to polished rod and frame sliding connection, the pressure head is settled to the bottom of lifter plate.

Further, the end part of the connecting shaft is fixedly provided with a pointer, one side of the pointer is connected with a graduated scale in a sliding manner, and a graduated scale plate is fixedly connected with the frame.

Further, the front end of frame is provided with the locating component that is used for strengthening stability, the locating component includes gear and tooth piece, the one end of worm is fixed with the gear, and the top meshing of gear has the tooth piece.

Further, the locating component further comprises a shifting block and a guide rod, the top of the tooth block is fixedly provided with the shifting block, the left end and the right end of the shifting block are both in sliding connection with the guide rod, and the guide rod is fixedly connected with the frame.

The utility model provides a bending structure convenient for adjusting bending angle, which has the following beneficial effects:

1. According to the utility model, through the arrangement of the adjusting component, when the angle of the plate is required to be adjusted when the plate is bent, the screw rods in all worm gears can be synchronously rotated through the worm, the screw sleeve can drive the supporting plate to move, so that the limiting plates are pushed and pulled through the sliding rods on the supporting rods, the included angle between the rotating seats is adjusted, different angles can be formed when the pressing head compresses the plate, the application range of equipment is favorably improved, meanwhile, through the arrangement of the limiting plates, the two sides of the rotating seats can be stably supported, the integral stability of the bending structure is favorably enhanced, and through the speed reducing structure between the worm and the worm gears, the angle adjustment is more accurate;

2. According to the utility model, through the arrangement of the pointer, when the rotating seat rotates, the pointer can be driven to rotate on the graduated scale through the connecting shaft so as to observe the adjusted angle, thereby being beneficial to improving the accuracy in adjustment, and after adjustment, the shifting block can be loosened, the tooth block can be inserted onto the gear under the action of gravity so as to automatically lock the gear, the influence of unexpected rotation of the gear on the accuracy after adjustment is avoided, and the guide rod can also limit and guide the tooth block, so that the stability in positioning is avoided from being influenced by skew of the guide rod.

Drawings

FIG. 1 is a schematic diagram of a whole front cross-sectional structure of a bending structure for facilitating adjustment of bending angles according to the present utility model;

FIG. 2 is a schematic perspective view of a rotating base of a bending structure for adjusting bending angle;

Fig. 3 is a schematic front view of a positioning assembly of the bending structure for adjusting the bending angle.

In the figure: 1. a frame; 2. a hydraulic cylinder; 3. a lifting plate; 4. a polish rod; 5. a pressure head; 6. an adjustment assembly; 601. a worm; 602. a worm wheel; 603. a screw; 604. a screw sleeve; 605. a support plate; 606. a support rod; 607. a slide bar; 608. a limiting plate; 609. a rotating seat; 610. a connecting shaft; 7. a pointer; 8. a graduated scale; 9. a positioning assembly; 901. a gear; 902. tooth blocks; 903. a shifting block; 904. a guide rod.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1 and 2, a bending structure convenient for adjusting bending angle comprises a frame 1 and an adjusting component 6, wherein a hydraulic cylinder 2 is arranged in the center of the top of the frame 1, a lifting plate 3 is fixed at the bottom of the hydraulic cylinder 2, polished rods 4 are arranged at the front end and the rear end of the top of the lifting plate 3, the polished rods 4 are in sliding connection with the frame 1, a pressing head 5 is arranged at the bottom of the lifting plate 3, the hydraulic cylinder 2 can drive the lifting plate 3 to move downwards under the guiding of the polished rods 4, the pressing head 5 compresses and bends a sheet material, the adjusting component 6 for adjusting bending angle is arranged at the bottom of the frame 1, the adjusting component 6 comprises a worm 601, a worm wheel 602, a screw 603, a screw sleeve 604, a supporting plate 605, a supporting rod 606, a slide rod 607, a limiting plate 608, a rotating seat 609 and a connecting shaft 610, one side of the worm wheel 601 is meshed with the worm wheel 602, the screw 603 is arranged inside the worm wheel 602, the screw 603 is equidistantly distributed with respect to the bottom of the frame 1, the screw 603 is rotationally connected with the frame 1, the screws 603 in all worm gears 602 can synchronously rotate through the worm 601, and the angle adjustment is more accurate through a speed reduction structure between the worm 601 and the worm gears 602, a threaded sleeve 604 is connected to the outer side of the upper end of the screw 603, a supporting plate 605 is fixed to the top of the threaded sleeve 604, supporting rods 606 are arranged at the left end and the right end of the top of the supporting plate 605, a sliding rod 607 is arranged at the inner side of the upper end of each supporting rod 606, a limiting plate 608 is slidingly connected to the outer side of each sliding rod 607, a rotating seat 609 is arranged at the top of each limiting plate 608, a connecting shaft 610 is fixed to the inner opening width of each limiting plate 608 is equal to the diameter of each sliding rod 607, two sliding rods 607 are arranged in number, when the screw 603 rotates, the threaded sleeve 604 can drive the supporting plate 605 to move up and down, thereby come push-and-pull limiting plate 608 through slide bar 607 on branch 606, just can adjust the contained angle between the rotation seat 609 for can form different angles when pressure head 5 compresses tightly the panel, be favorable to improving the application range of equipment, simultaneously through the setting of a plurality of limiting plates 608, can be stable support the both sides of rotating the seat 609, be favorable to reinforcing bending structure holistic stability, rotate seat 609 and frame 1 sliding connection, and frame 1 and connecting axle 610 rotate and be connected, frame 1 can be spacing the both ends of rotating the seat 609, also can support connecting axle 610 simultaneously.

As shown in fig. 3, the end of the connecting shaft 610 is fixed with the pointer 7, one side of the pointer 7 is slidably connected with the graduated scale 8, and the graduated scale plate 8 is fixedly connected with the frame 1, the rotating seat 609 can drive the pointer 7 to rotate on the graduated scale 8 through the connecting shaft 610, so that the adjusted angle is observed, the accuracy in adjustment is improved, the front end of the frame 1 is provided with a positioning component 9 for strengthening stability, the positioning component 9 comprises a gear 901 and a tooth block 902, one end of the worm 601 is fixed with the gear 901, the top of the gear 901 is meshed with the tooth block 902, the tooth block 902 can be inserted into the gear 901 under the action of gravity, so that the gear 901 is automatically locked, the adjustment accuracy is prevented from being influenced by accidental rotation of the gear 901, the positioning component 9 also comprises a shifting block 903 and a guide rod 904, the top of the tooth block 902 is fixedly provided with the shifting block 903, both left end and right end of the shifting block 903 are slidably connected with the guide rod 904 and the frame 1, the guide rod 904 can limit the tooth block 902, and the stability in positioning is prevented from being influenced by the skew of the positioning component.

In summary, when the bending structure convenient for adjusting the bending angle is used, firstly, according to the structures shown in fig. 1, 2 and 3, the shifting block 903 is moved upwards to separate the tooth block 902 from the gear 901, then, the worm 601 is rotated through the handle on the gear 901, so that the screws 603 in all worm gears 602 synchronously rotate, the threaded sleeves 604 can drive the supporting plate 605 to move up and down, thereby pushing and pulling the limiting plate 608 through the sliding rod 607 on the supporting rod 606, the included angle between the rotating seats 609 can be adjusted according to the requirement, secondly, the rotating seats 609 can drive the pointer 7 to rotate on the graduated scale 8 through the connecting shaft 610 so as to observe the adjusted angle, then, the shifting block 903 is loosened, the tooth block 902 can slide down along the guide rod 904 under the action of gravity and is inserted into the gear 901 so as to automatically lock the gear 901, and finally, the hydraulic cylinder 2 is started after the plate is placed at the upper end of the rotating seats 609, so that the lifting plate 3 is driven to move down under the guidance of the polished rod 4, and the pressing head 5 is enabled to press and bend the plate.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a bending structure convenient to adjust angle of bending, includes frame (1) and adjusting part (6), its characterized in that, hydraulic cylinder (2) are settled at the top central authorities of frame (1) for adjust the angle of bending adjusting part (6) set up in the bottom of frame (1), adjusting part (6) are including worm (601), worm wheel (602), screw rod (603), swivel nut (604), backup pad (605), branch (606), slide bar (607), limiting plate (608), rotation seat (609) and connecting axle (610), one side meshing of worm (601) has worm wheel (602), and the inside of worm wheel (602) is settled there is screw rod (603), the upper end outside threaded connection of screw rod (603) has swivel nut (604), and the top of swivel nut (604) is fixed with backup pad (605), both ends all are provided with branch (606) about the top of backup pad (606), and the inside settling of upper end of branch (606) has slide bar (605), the outside sliding connection of slide bar (607 has limiting plate (608), and the inside seat (609) of rotation seat (609) is settled to have.

2. The bending structure convenient for adjusting the bending angle according to claim 1, wherein the screw rods (603) are distributed at equal intervals with respect to the bottom of the frame (1), and the screw rods (603) are rotatably connected with the frame (1).

3. The bending structure for facilitating adjustment of bending angles according to claim 1, wherein the width of the inner opening of the limiting plate (608) is equal to the diameter of the sliding rods (607), and the number of the sliding rods (607) is two.

4. A bending structure facilitating the adjustment of the bending angle according to claim 1, characterized in that the rotating seat (609) is slidingly connected to the frame (1), and the frame (1) is rotatably connected to the connecting shaft (610).

5. The bending structure convenient for adjusting bending angles according to claim 1, wherein a lifting plate (3) is fixed at the bottom of the hydraulic cylinder (2), polished rods (4) are arranged at the front end and the rear end of the top of the lifting plate (3), the polished rods (4) are in sliding connection with the frame (1), and a pressing head (5) is arranged at the bottom of the lifting plate (3).

6. The bending structure convenient for adjusting the bending angle according to claim 1, wherein the end part of the connecting shaft (610) is fixedly provided with a pointer (7), one side of the pointer (7) is slidably connected with a graduated scale (8), and the graduated scale (8) is fixedly connected with the frame (1).

7. The bending structure convenient for adjusting the bending angle according to claim 1, wherein a positioning assembly (9) for reinforcing stability is arranged at the front end of the frame (1), the positioning assembly (9) comprises a gear (901) and a tooth block (902), one end of the worm (601) is fixed with the gear (901), and the top of the gear (901) is meshed with the tooth block (902).

8. The bending structure convenient for adjusting the bending angle according to claim 7, wherein the positioning assembly (9) further comprises a shifting block (903) and a guide rod (904), the shifting block (903) is fixed at the top of the tooth block (902), the guide rods (904) are slidably connected to the left end and the right end of the shifting block (903), and the guide rod (904) is fixedly connected to the frame (1).