CN218903180U

CN218903180U - Ductile plate bending die with adjustable bending angle

Info

Publication number: CN218903180U
Application number: CN202223303824.5U
Authority: CN
Inventors: 孙丰丰
Original assignee: Ma'anshan Tuojia Precision Machinery Parts Co ltd
Current assignee: Ma'anshan Tuojia Precision Machinery Parts Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-25
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a bending die for a ductile plate with an adjustable bending angle, and belongs to the technical field of bending dies. The utility model provides an adjustable angle of bending's ductile sheet bending die, includes the platform of bending, the inside of bending the platform is provided with the storage tank, has spacing subassembly through support frame swing joint in the storage tank, and the upper end symmetry of storage tank is provided with the roller of bending, spacing subassembly includes limiting plate, swivel mount and rack, and the bilateral symmetry of limiting plate is provided with the swivel mount. According to the bending die for the ductile sheet material with the adjustable bending angle, the first gears are symmetrically arranged at the two ends of the bending roller, the bending roller is meshed through the first gears, the driving gear is connected with the output end of the driving motor, the driving gear drives the first gears to rotate, the bending roller can rotate oppositely or oppositely at the same time, the included angle between bending surfaces can be adjusted, and the change of the bending angle is realized.

Description

Ductile plate bending die with adjustable bending angle

Technical Field

The utility model relates to the technical field of bending dies, in particular to a ductile plate bending die with an adjustable bending angle.

Background

The bending machine die is mainly used for processing the appearance of an article through changing the physical state of a formed material and is used for enabling a blank to be a tool of a workpiece with a specific shape and size under the action of the bending machine pressure.

Chinese patent publication No. CN213671218U discloses a metal product production bending die of adjustable angle of bending, including the connection base, two sliding grooves have been seted up respectively to the front side surface of connecting the base vertical block, two be provided with the sliding block respectively in the sliding groove, two the sliding block extends and is provided with two threaded rods equally between the one end, two the last movable sleeve of threaded rod has two sliding blocks of bending respectively.

This patent is directed to bending a metal product, but the ductility of metal is good, and among them, gold, platinum, copper, silver, tungsten, and aluminum are all rich in ductility, and when bending such a metal product, deformation of the metal product is easily caused by excessive stamping, and particularly in this patent, it is difficult to ensure the displacement amount of the lower end of the bending piece by restricting the position of the metal product only by the extrusion groove.

Disclosure of Invention

The utility model aims to overcome the defect that metal products are easy to deform due to excessive stamping in the prior art, and provides a bending angle-adjustable ductile plate bending die for solving the defect.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: the utility model relates to a bending die for a ductile sheet with an adjustable bending angle, which comprises a bending table, wherein a containing groove is formed in the bending table, a limiting assembly is movably connected in the containing groove through a supporting frame, bending rollers are symmetrically arranged at the upper end of the containing groove, the limiting assembly comprises a limiting plate, a rotating frame and racks, the rotating frames are symmetrically arranged on two sides of the limiting plate, one ends of the rotating frames are hinged with one ends of the racks, the racks are movably connected with the inner wall of the containing groove, and bending surfaces are arranged on the bending rollers.

Preferably, the upper surface of the limiting plate is connected with a buffer plate through a spring.

Preferably, the rotating frame comprises an end rotating plate, an intermediate rotating plate and a limiting rod, one end of the end rotating plate is hinged with one end of the rack, the other end of the end rotating plate is hinged with the limiting plate, the limiting rod penetrates through the end rotating plate and the intermediate rotating plate, the limiting rod is movably connected with the end rotating plate and the intermediate rotating plate respectively, and one end of the intermediate rotating plate is movably connected with the limiting plate.

Preferably, a limit bar is arranged on one side of the rack, the limit bar is movably connected with the inner wall of the accommodating groove, and a movable groove matched with the limit bar is arranged on the inner wall of the accommodating groove.

Preferably, first gears are symmetrically arranged at two ends of the bending roller, and the bending roller is meshed through the first gears.

Preferably, the center of the first gear is fixedly connected with a central shaft, the central shaft is movably connected with the end part of the accommodating groove through a bearing, the central shaft is fixedly connected with a second gear, and the second gear is meshed with the rack.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

1. according to the bending device, the first gears are symmetrically arranged at the two ends of the bending roller, the bending roller is meshed through the first gears, the driving gear is connected with the output end of the driving motor, and the driving gear drives the first gears to rotate, so that the bending roller can simultaneously rotate in opposite directions or reversely, the included angle between bending surfaces can be adjusted, and the bending angle can be changed;

2. according to the bending roller, when the bending roller rotates, the second gear is driven to rotate, the second gear is meshed with the rack, the rack is movably connected with the limiting plate through the end rotating plate, the limiting plate is changed according to the change of the intersection line position of the extending surface of the bending surface through the transmission of the second gear, the rack and the end rotating plate, and when the bending operation is carried out, the limiting plate limits the downward displacement of the upper die, so that deformation of the upper die except bending of a plate is prevented, and the bending roller is suitable for bending of a ductile plate.

Drawings

FIG. 1 is an overall block diagram of the present utility model;

FIG. 2 is a view showing an internal structure of a bending station according to the present utility model;

FIG. 3 isbase:Sub>A sectional view A-A of the present utility model;

FIG. 4 is a B-B cross-sectional view of the present utility model;

fig. 5 is a view showing a structure of a bending roller according to the present utility model.

In the figure: 1. a bending table; 11. a receiving groove; 12. a support frame; 2. a limit component; 21. a limiting plate; 211. a spring; 212. a buffer plate; 22. a rotating frame; 221. an end rotating plate; 222. an intermediate rotating plate; 223. a limit rod; 23. a rack; 231. a limit bar; 3. bending rollers; 31. a bending surface; 32. a first gear; 33. a central shaft; 34. and a second gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings.

Referring to fig. 1-5, the bending die for the ductile sheet with the adjustable bending angle comprises a bending table 1, wherein a containing groove 11 is formed in the bending table 1, a limiting assembly 2 is movably connected in the containing groove 11 through a supporting frame 12, bending rollers 3 are symmetrically arranged at the upper end of the containing groove 11, the limiting assembly 2 comprises a limiting plate 21, a rotating frame 22 and a rack 23, the rotating frame 22 is symmetrically arranged at two sides of the limiting plate 21, the rotating frame 22 is hinged with one end of the rack 23, the rack 23 is movably connected with the inner wall of the containing groove 11, and a bending surface 31 is arranged on the bending rollers 3.

The upper surface of the limiting plate 21 is connected with a buffer plate 212 through a spring 211.

Specifically, when the upper die is punched downwards, the punching end of the upper die firstly contacts the buffer plate 212, the buffer plate 212 further presses the spring 211, and finally, the upper die is prevented from continuously moving downwards under the limitation of the limiting plate 21.

The rotating frame 22 comprises an end rotating plate 221, an intermediate rotating plate 222 and a limiting rod 223, one end of the end rotating plate 221 is hinged with one end of the rack 23, the other end of the end rotating plate 221 is hinged with the limiting plate 21, the limiting rod 223 penetrates through the end rotating plate 221 and the intermediate rotating plate 222, the limiting rod 223 is movably connected with the end rotating plate 221 and the intermediate rotating plate 222 respectively, and one end of the intermediate rotating plate 222 is movably connected with the limiting plate 21.

Specifically, after the end portion rotating plate 221 is stressed at one end connected with the rack 23, the end portion rotating plate 221 rotates around the limiting rod 223, the other end of the end portion rotating plate 221 drives the limiting plate 21 to move, the middle rotating plate 222 supports the side portion of the limiting plate 21, the middle rotating plate 222 simultaneously rotates on the limiting rod 223, and strength of two sides of the limiting plate 21 is improved.

One side of the rack 23 is provided with a limit bar 231, the limit bar 231 is movably connected with the inner wall of the accommodating groove 11, and a movable groove matched with the limit bar 231 is arranged on the inner wall of the accommodating groove 11.

Specifically, the limiting bar 231 vertically moves in the movable slot, so as to prevent the rack 23 from shifting, and ensure that the rack 23 vertically moves up or down.

First gears 32 are symmetrically arranged at two ends of the bending roller 3, and the bending roller 3 is meshed through the first gears 32.

Specifically, the output end of the driving motor is connected with a driving gear, and the driving gear drives the first gear 32 to rotate, so that the bending roller 3 can rotate in opposite directions or opposite directions simultaneously.

The center of the first gear 32 is fixedly connected with a central shaft 33, the central shaft 33 is movably connected with the end part of the accommodating groove 11 through a bearing, the central shaft 33 is fixedly connected with a second gear 34, and the second gear 34 is meshed with the rack 23.

Specifically, when the bending roller 3 rotates, the second gear 34 follows to rotate, and accordingly, the second gear 34 drives the rack 23 to move up or move down, the rack 23 pulls the end rotating plate 221 to rotate, and when the bending roller 3 rotates in opposite directions, the angle between the bending surfaces 31 becomes smaller, the intersection line of the extending surfaces of the bending surfaces 31 moves downward relative to the position of the bending roller 3, and simultaneously, the second gear 34 rotates in opposite directions, drives the rack 23 to move up, after the end rotating plate 221 rotates around the limit rod 223, drives the limit plate 21 to move down, the limit plate 21 moves on the intersection line of the extending surfaces of the bending surfaces 31, when bending, the upper die moves down to tightly abut against the buffer plate 212, and just falls on the intersection line of the extending surfaces of the bending surfaces 31, so that excessive movement of the upper die is avoided, and deformation of a plate is prevented, and conversely, when the bending roller 3 rotates in opposite directions, the intersection line of the extending surfaces of the bending surfaces 31 moves upward relative to the position of the bending roller 3, simultaneously, the second gear 34 rotates in opposite directions, drives the rack 23 to move down, and the end 221 drives the limit plate 21 to move up, and the limit plate 21 moves up.

The working process comprises the following steps: the output end of the driving motor is connected with the driving gear, the driving gear drives the first gear 32 to rotate, the included angle between the bending surfaces 31 is changed, when the included angle needs to be increased, the bending roller 3 reversely rotates, meanwhile, the second gear 34 reversely rotates, the rack 23 is driven to move downwards, the end rotating plate 221 drives the limiting plate 21 to move upwards, when the included angle needs to be reduced, the bending roller 3 reversely rotates, meanwhile, the second gear 34 reversely rotates, the rack 23 is driven to move upwards, the end rotating plate 221 drives the limiting plate 21 to move downwards, the limiting plate 21 is changed according to the change of the intersection line position of the extending surfaces of the bending surfaces 31, during bending, a plate is placed on the bending roller 3, the upper die works downwards from the middle position of the bending roller 3, after the upper die contacts the plate, the punching plate deforms along the direction of the bending surface 31, the upper die extrudes the plate until the plate contacts the buffer plate 212, the buffer plate 212 further extrudes the spring 211, and finally, under the limitation of the limiting plate 21, the continuous downward movement of the upper die is prevented, and the bending is completed.

To sum up: according to the bending die for the ductile sheet material with the adjustable bending angle, the first gears 32 are symmetrically arranged at the two ends of the bending roller 3, the bending roller 3 is meshed through the first gears 32, the output end of the driving motor is connected with the driving gear, the driving gear drives the first gears 32 to rotate, the bending roller 3 can rotate oppositely or oppositely at the same time, the included angle between the bending surfaces 31 can be adjusted, and the change of the bending angle is realized; when the bending roller 3 rotates, the second gear 34 is driven to rotate, the second gear 34 is meshed with the rack 23, the rack 23 is movably connected with the limiting plate 21 through the end rotating plate 221, the limiting plate 21 is changed according to the change of the intersection line position of the extending surface of the bending surface 31 through the transmission of the second gear 34, the rack 23 and the end rotating plate 221, and when the bending operation is performed, the limiting plate 21 limits the downward displacement of the upper die, the upper die is prevented from being excessively moved downwards, deformation except bending of a plate is caused, and the bending device is suitable for bending of a ductile plate.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjustable angle of bending's ductile sheet bending die, includes bending platform (1), its characterized in that: the inside of bending platform (1) is provided with storage tank (11), has spacing subassembly (2) through support frame (12) swing joint in storage tank (11), and the upper end symmetry of storage tank (11) is provided with bending roller (3), spacing subassembly (2) are including limiting plate (21), swivel mount (22) and rack (23), and the bilateral symmetry of limiting plate (21) is provided with swivel mount (22), and one end hinge of swivel mount (22) and rack (23) is connected, and rack (23) and the inner wall swing joint of storage tank (11), be provided with on bending roller (3) and turn over face (31).

2. The bending die for ductile sheet material with adjustable bending angle according to claim 1, wherein: the upper surface of the limiting plate (21) is connected with a buffer plate (212) through a spring (211).

3. The bending die for ductile sheet material with adjustable bending angle according to claim 1, wherein: the rotating frame (22) comprises an end rotating plate (221), an intermediate rotating plate (222) and a limiting rod (223), one end of the end rotating plate (221) is hinged with one end of the rack (23), the other end of the end rotating plate (221) is hinged with the limiting plate (21), the limiting rod (223) penetrates through the end rotating plate (221) and the intermediate rotating plate (222), and the limiting rod (223) is movably connected with the end rotating plate (221) and the intermediate rotating plate (222) respectively, and one end of the intermediate rotating plate (222) is movably connected with the limiting plate (21).

4. The bending die for ductile sheet material with adjustable bending angle according to claim 1, wherein: one side of the rack (23) is provided with a limit bar (231), the limit bar (231) is movably connected with the inner wall of the accommodating groove (11), and a movable groove matched with the limit bar (231) is arranged on the inner wall of the accommodating groove (11).

5. The bending die for ductile sheet material with adjustable bending angle according to claim 1, wherein: first gears (32) are symmetrically arranged at two ends of the bending roller (3), and the bending roller (3) is meshed through the first gears (32).

6. The bending die for the ductile sheet material with adjustable bending angle according to claim 5, wherein: the center of the first gear (32) is fixedly connected with a central shaft (33), the central shaft (33) is movably connected with the end part of the accommodating groove (11) through a bearing, the central shaft (33) is fixedly connected with a second gear (34), and the second gear (34) is meshed with the rack (23).