CN218963700U

CN218963700U - Traceless bending cutter

Info

Publication number: CN218963700U
Application number: CN202223415341.4U
Authority: CN
Inventors: 何嘉兴; 陈伟平; 冯兵; 何灵东
Original assignee: Zhuhai Jingte Electromechanical Manufacturing Co ltd
Current assignee: Zhuhai Jingte Electromechanical Manufacturing Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-05
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a traceless bending cutter, which aims to solve the problem that a steel plate in the field of bending cutters is easy to wear after contacting with a lower die; the first rotating plate is rotatably arranged on the left side of the lower die; the second rotating plate is rotatably arranged on the right side of the lower die; and the upper die is positioned above the lower die and arranged between the first rotating plate and the second rotating plate, and can be close to the lower die, so that the first rotating plate and the second rotating plate can rotate simultaneously.

Description

Traceless bending cutter

Technical Field

The utility model relates to the field of bending tools, in particular to a traceless bending tool.

Background

The bending machine belongs to one of forging machines, and has the main function of metal processing industry. The working mode of the bending machine is that the workbench and the workpiece on the workbench are motionless, and the working requirement is met by the mode that the upper bending die moves to the bottom dead center.

The workbench of the existing bending machine is generally provided with a groove with a certain angle, the edge angle of the upper edge of the groove on the workbench can be abutted against the steel plate in the steel plate bending process, and the steel plate is easy to wear under the huge pressure of an upper die.

Disclosure of Invention

The utility model provides a traceless bending cutter, which aims to at least solve one of the technical problems in the prior art.

The technical scheme of the utility model is a traceless bending cutter, which comprises:

a lower die;

the first rotating plate is rotatably arranged on the left side of the lower die;

the second rotating plate is rotatably arranged on the right side of the lower die;

and the upper die is positioned above the lower die and arranged between the first rotating plate and the second rotating plate, and can be close to the lower die to enable the first rotating plate and the second rotating plate to rotate.

Further, the first rotating plate comprises a first plane part and a first rotating part, the first rotating part is rotationally connected with the lower die, the first plane part is arranged on the first rotating part, and the first plane part is used for being abutted against a product.

Further, the second rotating plate comprises a second plane part and a second rotating part, the second rotating part is rotationally connected with the lower die, the second plane part is arranged on the second rotating part, and the second plane part is used for abutting against a product.

Further, the lower die is provided with a first connecting shaft and a second connecting shaft, the first connecting shaft is rotationally connected with the first rotating plate, and the second connecting shaft is rotationally connected with the second rotating plate.

Further, the first rotating plate is connected with the lower die through a torsion spring.

Further, the second rotating plate is connected with the lower die through a torsion spring.

Further, the lower die is provided with a V-shaped groove, the V-shaped groove is provided with a first side and a second side, the first side is arranged in the extending direction of the first rotating plate in a bending state, and the second side is arranged in the extending direction of the second rotating plate in the bending state.

Further, the cutting edge of the upper die is of an arc structure.

Further, the device also comprises a power piece, wherein the power piece is used for driving the upper die to be close to or far away from the lower die.

The beneficial effects of the utility model are as follows.

1. When waiting for working, the first rotating plate and the second rotating plate form a plane, and the steel plate can be placed on the plane; when the bending procedure, the upper die is driven to be close to the lower die, so that the steel plate is bent, the first rotating plate and the second rotating plate rotate along with the steel plate, the first rotating plate and the steel plate keep a joint state, the second rotating plate and the steel plate keep a joint state until the steel plate is completely bent, no edge angle is abutted with the steel plate in the whole process, and no scratch is generated on the steel plate.

Drawings

FIG. 1 is a schematic view of the general structure of a traceless bending cutter according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a front view of a flat plate of a traceless bending cutter according to an embodiment of the present utility model;

FIG. 3 is a schematic front view of a bending state of a traceless bending tool according to an embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of a lower die plate according to an embodiment of the present utility model;

fig. 5 is a schematic sectional view of a lower die in a bent state according to an embodiment of the present utility model.

Reference numerals:

a lower die 100 and a V-shaped groove 110;

a first rotating plate 200, a first plane part 210, a first rotating part 220, a first connecting shaft 230, a torsion spring 240;

a second rotating plate 300, a second plane part 310, a second rotating part 320, and a second connecting shaft 330;

upper die 400, blade 410.

Detailed Description

The following description will describe several embodiments of the present utility model, including the embodiments corresponding to the accompanying drawings, it being understood that the drawings are for aiding in the understanding of the technical features and technical solutions of the present utility model, and should not be construed as limiting the scope of the present utility model.

The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, aspects, and effects of the present utility model. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

It should be noted that, unless explicitly defined otherwise, when a certain feature is referred to as being "fixed," "connected," or "mounted" on another feature, it may be directly fixed or connected to the other feature or may be indirectly fixed or connected to the other feature, and the terms such as "fixed," "connected," or "mounted" should be interpreted broadly, so that those skilled in the art can reasonably determine the specific meaning of the terms in the present utility model in combination with the specific contents of the technical scheme.

It should be noted that, the description of the orientation or positional relationship indicated by the upper, lower, left, right, top, bottom, front, rear, inner, outer, etc. used in the present utility model is based on the orientation or positional relationship of the drawings or the embodiments, only for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in the specific orientation, and thus should not be construed as limiting the present utility model.

It is noted that the term "and/or" as used in the present utility model includes any combination of one or more of the listed items, a plurality of means one or more, a plurality of means two or more, greater than, less than, exceeding, etc. are understood to exclude this number, and above, below, within, etc. are understood to include this number.

It should be noted that, if the first and second descriptions are only used for distinguishing technical features in the present utility model, the description should not be construed as indicating or implying relative importance or implying the number of the indicated technical features or implying the precedence relationship of the indicated technical features.

It is to be understood that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art unless explicitly defined otherwise. The terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1-5, a basic embodiment of a first aspect of the present utility model provides a traceless bending cutter, comprising:

a lower die 100;

a first rotating plate 200 rotatably provided at the left side of the lower die 100;

a second rotating plate 300 rotatably provided on the right side of the lower die 100;

the upper mold 400 is positioned above the lower mold 100 and between the first and second

rotating plates

200 and 300, and the upper mold 400 can be moved close to the lower mold 100 to simultaneously rotate the first and second

rotating plates

200 and 300.

In the traceless bending cutter according to the basic embodiment of the first aspect of the present utility model, the first rotating plate 200 and the second rotating plate 300 form a plane on which a steel plate can be placed when waiting for work; during the bending process, the upper die 400 is driven to approach the lower die 100, so that the steel plate is bent, the first rotating plate 200 and the second rotating plate 300 rotate along with the steel plate, the first rotating plate 200 and the steel plate keep a bonding state, the second rotating plate 300 and the steel plate keep a bonding state until the steel plate is completely bent, no edge angle is abutted with the steel plate in the whole process, and no scratch is generated on the steel plate.

In some embodiments, the first rotating plate 200 includes a first plane portion 210 and a first rotating portion 220, the first rotating portion 220 is rotatably connected to the lower die 100, the first plane portion 210 is disposed on the first rotating portion 220, and the first plane portion 210 is used for abutting against a product. The first plane part 210 rotates along with the first rotating part 220, and the first plane part 210 is kept in contact with the steel plate, so that the steel plate can rotate along with the first plane part 210, the point contact between the steel plate and the lower die 100 is changed into the surface contact, and the generation of scratches can be effectively reduced.

In some embodiments, the first rotating portion 220 is semi-cylindrical, enabling the first rotating portion 220 to rotate about its axis, the first rotating portion 220 being unobstructed during rotation.

In some embodiments, the second rotating plate 300 includes a second flat portion 310 and a second rotating portion 320, the second rotating portion 320 is rotatably connected to the lower die 100, the second flat portion 310 is disposed on the second rotating portion 320, and the second flat portion 310 is used for abutting against the product. The second flat portion 310 rotates along with the first rotating portion 220, and the second flat portion 310 is kept in contact with the steel plate, so that the steel plate can rotate along with the second flat portion 310, and the point contact between the steel plate and the lower die 100 is changed into the surface contact, thereby effectively reducing the generation of scratches.

In some embodiments, the lower mold 100 is provided with a first connection shaft 230 and a second connection shaft 330, the first connection shaft 230 is rotatably connected with the first rotation plate 200, and the second connection shaft 330 is rotatably connected with the second rotation plate 300.

In some embodiments, the first rotating plate 200 is connected to the lower die 100 by a torsion spring 240. The spiral part of the torsion spring 240 is provided on the first connection shaft 230, and one of the two torsion arms is connected with the first rotation plate 200, and the other is connected with the lower die 100, so that the torsion spring 240 can be restored to the original position by elasticity after the rotation of the first rotation plate 200, thereby facilitating the prevention of the steel plate.

It will be appreciated that the torsion spring 240 includes a coiled portion, which is a location for providing an elastic force, and two torsion arms, which extend from both ends of the coiled portion.

In some embodiments, the second rotating plate 300 is connected to the lower die 100 by a torsion spring 240. The second rotating plate 300 is identical to the first rotating plate 200.

In some embodiments, the lower die 100 is provided with a V-shaped groove 110, the V-shaped groove 110 is provided with a first side and a second side, the first side is provided in the extending direction of the first rotating plate 200 in the bent state, and the second side is provided in the extending direction of the second rotating plate 300 in the bent state. The first and

second turning plates

200 and 300 are then just engaged with the two sides of the V-groove 110 to form a chamfer suitable for the steel plate, which facilitates the user in confirming whether the steel plate is pressed into place.

It can be understood that the flat plate state is a state in which the steel plate is placed behind the lower die 100, and the steel plate is not bent at this time; the bending state is a state when the steel plate is bent and meets the processing requirement, and the steel plate is bent at the moment and presents a certain angle.

In some embodiments, the blade 410 of the upper die 400 is a circular arc structure. The tool bit of the upper die 400 is prevented from being too sharp, resulting in crushing the steel plate.

In some embodiments, a power member is further included for driving the upper die 400 toward or away from the lower die 100. The power part is a hydraulic cylinder, an air cylinder or a telescopic motor, and can drive the upper die 400 to do linear motion.

It is noted that terms like "one embodiment," "some embodiments," "base embodiments," "extended embodiments," and the like may be used throughout this specification to describe several embodiments of the utility model, as a particular feature, structure, material, or characteristic of the several embodiments may be combined without departing from the principles and spirit of the present utility model.

While there has been shown and described what is considered to be certain embodiments of the present utility model, it is to be understood that the utility model is not limited to the above-described embodiments, but is to be accorded the widest scope consistent with the principles and novel features of the present utility model.

Claims

1. A traceless bending cutter, comprising:

a lower die (100);

a first rotating plate (200) rotatably provided on the left side of the lower die (100);

a second rotating plate (300) rotatably provided on the right side of the lower die (100);

the upper die (400) is positioned above the lower die (100) and arranged between the first rotating plate (200) and the second rotating plate (300), and the upper die (400) can be close to the lower die (100) so that the first rotating plate (200) and the second rotating plate (300) can rotate.

2. The traceless bending cutter as defined in claim 1, wherein the first rotating plate (200) comprises a first plane portion (210) and a first rotating portion (220), the first rotating portion (220) is rotatably connected with the lower die (100), the first plane portion (210) is provided on the first rotating portion (220), and the first plane portion (210) is used for abutting against a product.

3. The traceless bending cutter as defined in claim 1, wherein the second rotating plate (300) comprises a second planar portion (310) and a second rotating portion (320), the second rotating portion (320) is rotationally connected with the lower die (100), the second planar portion (310) is provided on the second rotating portion (320), and the second planar portion (310) is used for abutting against a product.

4. The traceless bending cutter as defined in claim 1, wherein the lower die (100) is provided with a first connecting shaft (230) and a second connecting shaft (330), the first connecting shaft (230) being rotatably connected with the first rotating plate (200), the second connecting shaft (330) being rotatably connected with the second rotating plate (300).

5. The traceless bending cutter as defined in claim 1, wherein the first rotating plate (200) is connected to the lower die (100) by a torsion spring (240).

6. The traceless bending cutter as defined in claim 1, wherein the second rotating plate (300) is connected to the lower die (100) by a torsion spring (240).

7. The traceless bending cutter as defined in claim 1, wherein the lower die (100) is provided with a V-shaped groove (110), the V-shaped groove (110) is provided with a first side and a second side, the first side is provided in the extending direction of the first rotating plate (200) in the bending state, and the second side is provided in the extending direction of the second rotating plate (300) in the bending state.

8. The traceless bending cutter as defined in claim 1, wherein the cutting edge (410) of the upper die (400) is of a circular arc configuration.

9. The traceless bending cutter of claim 1, further comprising a power member for driving an upper die (400) toward or away from the lower die (100).