CN223819397U

CN223819397U - Simple arc bending die

Info

Publication number: CN223819397U
Application number: CN202520445750.3U
Authority: CN
Inventors: 徐加林; 陈严鑫; 李澄; 陆李林
Original assignee: Jiangsu Bangbaili Precision Machinery Co ltd
Current assignee: Jiangsu Bangbaili Precision Machinery Co ltd
Priority date: 2025-03-14
Filing date: 2025-03-14
Publication date: 2026-01-23
Anticipated expiration: 2035-03-14

Abstract

The utility model relates to the field of metal plate bending arc processing, and discloses a simple arc bending die which comprises a bottom plate, wherein an installation shell is fixedly connected to the upper surface of the bottom plate, a bending mechanism is arranged at the top of the bottom plate and comprises an upper die extrusion assembly and a lower die pushing assembly, the upper die extrusion assembly comprises a turntable, a connecting rod is arranged on the right surface of the turntable, a rotating pipe is rotatably connected to the inner wall of the connecting rod, a screw rod is arranged at the bottom of the rotating pipe, the screw rod is movably connected with the rotating pipe through a universal shaft, and a moving block is in threaded connection with the outer wall of the screw rod. According to the utility model, by arranging the upper die extrusion assembly, when the device faces bending plates with different radiuses, the upper die is not required to be manufactured, only different lower dies are required to be replaced, the upper die responsible for extruding the bending plate can adjust the bending radius, the manufacturing cost of the die is reduced, and the practicability of the device is further improved.

Description

Simple arc bending die

Technical Field

The utility model relates to the field of metal plate bending arc machining, in particular to a simple arc bending die.

Background

The arc bending die is core technological equipment in sheet metal machining and is used for bending a metal plate into an arc structure with a specific radius, and is widely applied to the fields of machine manufacturing, automobiles, aerospace and the like. The traditional simple arc bending die mostly adopts a fixed structure and consists of an upper die and a lower die, and the plate is forced to plastically deform along the contour of the die by mechanical pressure.

When the existing sheet metal is bent in an arc mode, the requirement on the radius of the bent arc is met, different products need to bend arcs with different radiuses, when mass production is conducted, the production efficiency can be effectively improved by manufacturing the upper die and the lower die which are matched, but only the radius of the fixed arc can be matched by a single die, frequent die replacement is needed in multi-specification production, the efficiency is low, the cost is increased, and the simple arc bending die is provided for solving the problem.

Disclosure of utility model

In order to make up for the defects, the utility model provides a simple arc bending die, and aims to solve the problems that in the prior art, a single die can only be matched with a fixed arc radius, and frequent die replacement is needed in multi-specification production, so that the efficiency is low and the cost is increased.

In order to achieve the purpose, the simple arc bending die comprises a bottom plate, wherein an installation shell is fixedly connected to the upper surface of the bottom plate, a bending mechanism is arranged at the top of the bottom plate and comprises an upper die extrusion assembly and a lower die pushing assembly, the upper die extrusion assembly comprises a rotary table, a connecting rod is arranged on the right surface of the rotary table, a rotating tube is rotatably connected to the inner wall of the connecting rod, a screw rod is arranged at the bottom of the rotating tube, the screw rod is movably connected with the rotating tube through a universal shaft, a moving block is connected to the outer wall of the screw rod through threads, and a bending roller is rotatably connected to the right part of the moving block.

As a further description of the above technical solution:

The lower die pushing assembly comprises an electric push rod, the electric push rod is fixedly connected to the upper surface of the bottom plate, an output shaft of the electric push rod is fixedly connected with a mounting seat, a lower die is mounted on the upper surface of the mounting seat, and a friction strip is fixedly connected to the inner wall of the lower die.

As a further description of the above technical solution:

The carousel rotates to be connected at the right surface of installation shell, movable block sliding connection is at the right surface of carousel, connecting rod fixed connection is at the right surface of installation shell.

As a further description of the above technical solution:

the inner wall of the lower die is provided with a bending plate.

As a further description of the above technical solution:

The bending roller is arranged on the upper surface of the bending plate.

As a further description of the above technical solution:

the inner wall of the installation shell is fixedly connected with a motor.

As a further description of the above technical solution:

One end of the universal shaft is fixedly connected to the bottom of the rotating pipe, and the other end of the universal shaft is fixedly connected to the top of the screw rod.

As a further description of the above technical solution:

the output shaft of motor fixed connection is at the left surface of carousel.

The utility model has the following beneficial effects:

1. According to the utility model, by arranging the upper die extrusion assembly, when the device faces bending plates with different radiuses, the upper die is not required to be manufactured, only different lower dies are required to be replaced, the upper die responsible for extruding the bending plate can adjust the bending radius, the manufacturing cost of the die is reduced, and the practicability of the device is further improved.

2. According to the utility model, by arranging the friction strips, the bending plate can be prevented from sliding when the bending roller extrudes the bending plate on the inner wall of the lower die, the bending effect is ensured, the universal shaft can ensure that the screw rod cannot be rotated and adjusted due to the influence of the rotating angle of the turntable, and the practicability of the device is further improved.

Drawings

FIG. 1 is a schematic perspective view of the whole device of the present utility model;

FIG. 2 is a schematic cross-sectional view of a lower mold pushing assembly according to the present utility model;

fig. 3 is a schematic cross-sectional view of a perspective structure of a mounting case according to the present utility model.

Legend description:

1. A bottom plate; 2, an installation shell, 3, a turntable, 4, a connecting rod, 5, a rotating pipe, 6, an electric push rod, 7, an installation seat, 8, a lower die, 9, a bending plate, 10, a friction strip, 11, a bending roller, 12, a moving block, 13, a screw rod, 14, a universal shaft, 15 and a motor.

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.

Referring to fig. 1, 2 and 3, an embodiment of the utility model provides a simple arc bending die, which comprises a bottom plate 1 for supporting other components, wherein the upper surface of the bottom plate 1 is fixedly connected with a mounting shell 2 for mounting and supporting the other components, the top of the bottom plate 1 is provided with a bending mechanism, the bending mechanism comprises an upper die extrusion assembly and a lower die pushing assembly, the upper die extrusion assembly and the lower die pushing assembly are matched to bend a bending plate 9 into an arc, the upper die extrusion assembly comprises a rotary table 3 for driving a bending roller 11 to move, the right surface of the rotary table 3 is provided with a connecting rod 4 for supporting the rotary table 5, the inner wall of the connecting rod 4 is rotationally connected with a rotary tube 5 for driving the rotary rod 13 to rotate, the bottom of the rotary tube 5 is provided with a screw 13 for driving the rotary block 12 to slide, the screw 13 is movably connected with the rotary table 3 through a universal shaft 14, when the rotary table 3 drives the rotary block 12 and the screw 13 to rotate, the rotary block 14 can still drive the screw 13 to rotate, the outer wall of the screw 13 is in threaded connection with the rotary block 12, the rotary block 12 is used for mounting the roller 11 and driving the rotary block 11 to move, the rotary block 12 is connected with the rotary table 11, and the right bending roller 11 is connected with the rotary block 11, and the rotary block is driven by the rotary block 11 to rotate to the rotary block 11 to rotate about the rotary table 11.

Referring to fig. 2 and 3, the lower die pushing assembly comprises an electric push rod 6, the electric push rod 6 is used for pushing a lower die 8 to move to a proper position, the electric push rod 6 is fixedly connected to the upper surface of a bottom plate 1 and supported by the bottom plate 1, an output shaft of the electric push rod 6 is fixedly connected with a mounting seat 7, the mounting seat 7 is used for mounting the lower die 8, when different circular arc radiuses are bent, only the lower die 8 needs to be replaced, the upper surface of the mounting seat 7 is provided with the lower die 8, the lower die 8 is used for matching with a bending roller 11 to bend a bending plate 9, the inner wall of the lower die 8 is fixedly connected with a friction strip 10, the friction strip 10 is used for increasing the friction force of the bottom of the bending plate 9 during bending, the bending plate 9 is prevented from sliding and falling off during bending, a turntable 3 is rotatably connected to the right surface of a mounting shell 2, the turntable 3 can move in a circular arc through rotation driving the bending roller 11, a moving block 12 is slidably connected to the right surface of the turntable 3, and when the moving block 12 slides on the surface of the turntable 3, the roller 11 is only far away from and close to the circle center during the circular arc radius of the bending of the turntable 3.

Referring to fig. 1 and 3, the connecting rod 4 is fixedly connected to the right surface of the installation shell 2, the rotating tube 5 is supported by the installation shell 2, the bending plate 9 is arranged on the inner wall of the lower die 8, the bending plate 9 can influence the moving radius of the bending roller 11 when being extruded and bent by the bending roller 11, the bending roller 11 is arranged on the upper surface of the bending plate 9, the bending roller 11 is extruded on the upper surface of the bending plate 9, the bending roller is attached to the inner wall of the lower die 8, the motor 15 for driving the turntable 3 to rotate is fixedly connected to the inner wall of the installation shell 2, one end of the universal shaft 14 is fixedly connected to the bottom of the rotating tube 5, the rotating tube 5 can still be driven to rotate after the screw rod 13 moves, the other end of the universal shaft 14 is fixedly connected to the top of the screw rod 13, the output shaft of the motor 15 is fixedly connected to the left surface of the turntable 3, and the motor 15 provides power for the rotation of the turntable 3.

When the bending plate 9 is used, a worker firstly selects a proper lower die 8 according to the radius of bending the bending plate 9, then installs the lower die 8 on the mounting seat 7, at the moment, according to the thickness of the bending plate 9 and the radius of the lower die 8, the distance from the outermost end of the bending roller 11 to the circle center of the rotary table 3 is adjusted, the rotary tube 5 is rotated, the rotary tube 5 drives the screw rod 13 to rotate, in the process, the position of the screw rod 13 cannot influence the driving of the rotary tube 5 because of the existence of the universal shaft 14, the electric push rod 6 is started, the lower die 8 is pushed to a proper position, the bending plate 9 is placed above the lower die 8, the motor 15 is started, the rotary table 3 is driven to rotate by the motor 15, and due to the existence of the connecting rod 4, the rotary table 3 driven by the motor 15 does not rotate for one circle but rotates positively and reversely, the bending roller 11 is driven to do circular arc motion, at the moment, the bending roller 11 presses the bending plate 9 to be attached to the inner wall of the lower die 8, in the process, and in addition, in the process, the friction strip 10 ensures that the bending plate 9 cannot slide in the extrusion process, and the bending effect is avoided.

It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.

Claims

1. A simple arc bending die comprises a bottom plate (1) and is characterized in that an installation shell (2) is fixedly connected to the upper surface of the bottom plate (1), a bending mechanism is arranged at the top of the bottom plate (1), the bending mechanism comprises an upper die extrusion assembly and a lower die pushing assembly, the upper die extrusion assembly comprises a rotary table (3), a connecting rod (4) is arranged on the right surface of the rotary table (3), a rotating pipe (5) is connected to the inner wall of the connecting rod (4) in a rotating mode, a screw rod (13) is arranged at the bottom of the rotating pipe (5), the screw rod (13) is movably connected with the rotating pipe (5) through a universal shaft (14), a moving block (12) is connected to the outer wall of the screw rod (13) in a threaded mode, and a bending roller (11) is connected to the right portion of the moving block (12) in a rotating mode.

2. The simple arc bending die set of claim 1, wherein the lower die pushing assembly comprises an electric push rod (6), the electric push rod (6) is fixedly connected to the upper surface of the bottom plate (1), an output shaft of the electric push rod (6) is fixedly connected with a mounting seat (7), a lower die (8) is mounted on the upper surface of the mounting seat (7), and a friction strip (10) is fixedly connected to the inner wall of the lower die (8).

3. The simple arc bending die as claimed in claim 1, wherein the rotary table (3) is rotatably connected to the right surface of the mounting shell (2), the moving block (12) is slidably connected to the right surface of the rotary table (3), and the connecting rod (4) is fixedly connected to the right surface of the mounting shell (2).

4. The simple circular arc bending die as claimed in claim 2, wherein the inner wall of the lower die (8) is provided with bending plates (9).

5. The simple arc bending die as claimed in claim 1, wherein the bending roller (11) is arranged on the upper surface of the bending plate (9).

6. The simple arc bending die of claim 1, wherein the inner wall of the mounting shell (2) is fixedly connected with a motor (15).

7. The simple arc bending die of claim 1, wherein one end of the universal shaft (14) is fixedly connected to the bottom of the rotating tube (5), and the other end of the universal shaft (14) is fixedly connected to the top of the screw rod (13).

8. The simple arc bending die as claimed in claim 6, wherein the output shaft of the motor (15) is fixedly connected to the left surface of the turntable (3).