CN213195143U

CN213195143U - Workpiece bending mechanism

Info

Publication number: CN213195143U
Application number: CN202021695724.XU
Authority: CN
Inventors: 赵振明
Original assignee: Shijiazhuang Space Digital Technology Co ltd
Current assignee: Shijiazhuang Space Digital Technology Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-05-14
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a work piece mechanism of bending belongs to bending device. The device comprises a basic assembly, a lower die assembly, an upper die assembly and a preheating assembly. The lower die assembly comprises an adjusting fixing plate, two groups of lower die plates erected on the left side and the right side of the adjusting fixing plate, a bending plate connected with the lower die plates in a rotating mode through pin shafts, and a rotary cylinder for controlling the bending plate to rotate. The utility model discloses the lower clamp plate is fixed panel middle part, then drives the board of bending through revolving cylinder and along the round pin rotation of axes, forces to be located the panel on the board of bending, along with the board rotation of bending, realizes improving the efficiency of bending to bending of panel both sides. The electric heater preheats the workpiece to be bent, the temperature is monitored by the infrared thermometer, and the temperature of the electric heater is increased, so that when the bent workpiece deforms, the effective stress can be effectively exerted, and the later deformation of the bent workpiece is reduced.

Description

Workpiece bending mechanism

Technical Field

The utility model belongs to bending device, especially a work piece mechanism of bending.

Background

The existing bending mechanism is simple in structure, limits the bending angle of a plate to a certain degree, cannot be suitable for bending plates with various angles, is low in bending efficiency, and is not ideal enough in bending effect, and particularly, multi-step bending processes are needed to complete bending of U-shaped pieces and U-shaped pieces. When the existing bending device bends the plate, the bending equipment needs to apply pressure to the plate in the bending process, so that the bending process of the plate is completed, and the part which is not bent at the moment is stressed by the bending part, so that the plate can rebound or deform after the bending is completed, and the quality of a finished product is further influenced.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: a workpiece bending mechanism is provided to solve the problems involved in the background art.

The technical scheme is as follows: a workpiece bending mechanism comprising: the device comprises a base assembly, a lower die assembly and an upper die assembly.

Wherein, basic unit spare includes table surface, sets up support frame on the table surface. The lower die assembly comprises an adjusting fixing plate fixedly mounted on the working table surface, linear guide rails arranged on two sides of the adjusting fixing plate, two groups of lower die plates, a bending plate and a rotary cylinder, wherein the two groups of lower die plates are erected on the left side and the right side of the adjusting fixing plate and are arranged on the linear guide rails through sliding blocks; the rotary cylinder is obliquely arranged at a preset angle, the base of the rotary cylinder is hinged to the lower portion of the working table, and the output end of the rotary cylinder is hinged to the bending plate through a connecting rod. The upper die assembly comprises a lifting cylinder fixedly mounted at the top of the support frame, a lower pressing plate connected with the output end of the lifting cylinder and aligned with the middle position of the adjusting fixing plate, and a guide pillar fixedly mounted on the lower pressing plate and penetrating through the support frame.

As a preferred scheme, the workpiece bending mechanism further comprises a preheating assembly; the preheat assembly includes: the heating base is embedded in the lower template and is far away from one side of the central axis of the adjusting fixing plate, a plurality of groups of electric heaters are arranged on the heating base in the axial direction, heat-conducting bosses are laid on the electric heaters, and an infrared thermometer is arranged on the working table.

As a preferred scheme, the cross section of the adjusting fixing plate is in a convex shape, and the lower die plate is erected on the left side and the right side of the adjusting fixing plate. The upper plane of the adjusting fixing plate and the lower template are positioned on the same horizontal plane; and the lower module can do linear motion along the linear guide rail through a sliding block, and the distance between the lower template and the upper plane of the adjusting fixing plate is adjusted. And distance sensors for detecting the position of the lower template are arranged on the two sides of the working table surface.

Has the advantages that: the utility model relates to a work piece mechanism of bending at first fixes the panel middle part through the holding down plate, then drives the board of bending through revolving cylinder and along the round pin hub rotation, forces to be located the panel on the board of bending, along with the board rotation of bending, realizes bending to the panel both sides, improves the efficiency of bending. The electric heater preheats the workpiece to be bent, the temperature is monitored by the infrared thermometer, and the temperature of the electric heater is increased, so that when the bent workpiece deforms, the effective stress can be effectively exerted, and the later deformation of the bent workpiece is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

The reference signs are: the device comprises a working table top 1, a support frame 2, an adjusting fixing plate 3, a linear guide rail 4, a sliding block 5, a lower template 6, a pin shaft 7, a bending plate 8, a rotary cylinder 9, a lifting cylinder 10, a pressing plate 11, a guide pillar 12, a heating base 13, an electric heater 14, a heat conduction boss 15 and a distance sensor 16.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.

As shown in fig. 1, a workpiece bending mechanism includes: the device comprises a working table top 1, a support frame 2, an adjusting fixing plate 3, a linear guide rail 4, a sliding block 5, a lower template 6, a pin shaft 7, a bending plate 8, a rotary cylinder 9, a lifting cylinder 10, a pressing plate 11, a guide pillar 12, a heating base 13, an electric heater 14, a heat conduction boss 15 and a distance sensor 16.

Wherein, basic unit includes table surface 1, sets up support frame 2 on the table surface 1. The lower die assembly comprises an adjusting fixing plate 3 fixedly mounted on the working table surface 1, linear guide rails 4 arranged on two sides of the adjusting fixing plate 3, two groups of lower die plates 6 erected on the left side and the right side of the adjusting fixing plate 3 and arranged on the linear guide rails 4 through sliders 5, a bending plate 8 rotatably connected with the lower die plates 6 through pin shafts 7, and a rotary cylinder 9 connected on two sides of the bending plate 8 and used for controlling the bending plate 8 to rotate; the rotary cylinder 9 is obliquely arranged at a preset angle, the base of the rotary cylinder is hinged to the lower portion of the working table surface 1, and the output end of the rotary cylinder is hinged to the bending plate 8 through a connecting rod. The upper die assembly comprises a lifting cylinder 10 fixedly mounted at the top of the support frame 2, a lower pressing plate 11 connected with the output end of the lifting cylinder 10 and aligned with the middle position of the adjusting fixing plate 3, and a guide post 12 fixedly mounted on the lower pressing plate 11 and penetrating through the support frame 2. So set up, realize that the panel of multi-angle is bent, improve the efficiency of bending. At first, fix through holding down plate 11 to panel middle part, then drive through revolving cylinder 9 and bend board 8 rotatory along round pin axle 7, force the panel that is located on the board 8 of bending, along with the board 8 rotation of bending, realize bending to panel both sides, improve the efficiency of bending.

In the further implementation process, the workpiece bending mechanism further comprises a preheating assembly; the preheat assembly includes: the heating device comprises a heating base 13, a plurality of groups of electric heaters 14, a heat conduction boss 15 and an infrared thermometer, wherein the heating base 13 is embedded in the lower template 6 and is far away from one side of the central axis of the adjusting fixing plate 3, the plurality of groups of electric heaters 14 are arranged on the heating base 13 in the axial direction, the heat conduction boss 15 is laid on the electric heaters 14, and the infrared thermometer is arranged on the working table top 1. So set up, eliminate the stress in waiting to bend the work piece, reduce the later stage deformation of the portion of bending. The workpiece to be bent is preheated through the electric heater 14, the temperature is monitored through the infrared thermometer, and due to the fact that the temperature of the workpiece to be bent is increased, when the workpiece to be bent deforms, effective stress can be effectively achieved, and later-stage deformation of the workpiece to be bent is reduced.

In the further implementation process, the cross section of the adjusting fixing plate 3 is in a shape of a Chinese character 'tu', and the lower templates 6 are erected at the left side and the right side of the adjusting fixing plate 3. The upper plane of the adjusting fixing plate 3 and the lower template 6 are positioned on the same horizontal plane; and the lower module 6 can do linear motion along the linear guide rail 4 through the slide block 5, and the distance between the lower template 6 and the upper plane of the adjusting fixing plate 3 is adjusted. And distance sensors 16 for detecting the position of the lower template 6 are arranged on two sides of the working table surface 1. By such an arrangement, the universality of the workpiece can be improved. When the equipment is used, the distance between the two lower templates 6 can be adjusted according to design requirements, so that the plates with different sizes can be fixed, and the universality of the equipment for processing workpieces is improved.

In order to facilitate understanding of the technical scheme of the workpiece bending mechanism, the working principle of the workpiece bending mechanism is briefly explained: when a plate is processed, firstly, the position of the lower template 6 is adjusted to meet the specification of the plate to be processed; at the moment, the bending plate 8 and the lower template 6 are positioned on the same horizontal plane, then the plate to be processed is placed on the adjusting fixing plate 3, the lower template 6 and the bending plate 8 through a manipulator, then the workpiece to be bent is heated to a preset temperature through an electric heater 14, and temperature monitoring is carried out through an infrared thermometer; and then the lower pressing plate 11 is pushed by the lifting cylinder 10 to move downwards to fix the plate to be processed, and finally the plate to be processed on the plate to be bent is driven to rotate along the pin shaft 7 under the pushing action of the rotating cylinder 9, so that the plate to be processed on the plate to be bent 8 is forced to be bent, the bending of two sides of the plate is realized, and a U-shaped part is formed.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.

Claims

1. A workpiece bending mechanism is characterized by comprising:

the base assembly comprises a working table and a support frame arranged on the working table;

the lower die assembly comprises an adjusting fixing plate fixedly mounted on the working table surface, linear guide rails arranged on two sides of the adjusting fixing plate, two groups of lower die plates, a bending plate and a rotary cylinder, wherein the two groups of lower die plates are erected on the left side and the right side of the adjusting fixing plate and are arranged on the linear guide rails through sliding blocks;

and the upper die assembly comprises a lifting cylinder fixedly mounted at the top of the support frame, a lower pressing plate connected with the output end of the lifting cylinder and aligned with the middle position of the adjusting fixing plate, and a guide pillar fixedly mounted on the lower pressing plate and penetrating through the support frame.

2. The workpiece bending mechanism according to claim 1, further comprising a pre-heat assembly.

3. The workpiece bending mechanism of claim 2, wherein the pre-heat assembly comprises: the heating base is embedded in the lower template and is far away from one side of the central axis of the adjusting fixing plate, a plurality of groups of electric heaters are arranged on the heating base in the axial direction, heat-conducting bosses are laid on the electric heaters, and an infrared thermometer is arranged on the working table.

4. The workpiece bending mechanism according to claim 1, wherein the cross-sectional shape of the adjusting and fixing plate is a convex shape, and the lower die plate is erected on the left side and the right side of the adjusting and fixing plate.

5. The workpiece bending mechanism according to claim 4, wherein the upper plane of the adjusting fixing plate and the lower die plate are located on the same horizontal plane; and the lower template can do linear motion along the linear guide rail through a sliding block, and the distance between the lower template and the upper plane of the adjusting fixing plate is adjusted.

6. The workpiece bending mechanism according to claim 5, wherein distance sensors for detecting the position of the lower die plate are mounted on both sides of the work table.

7. The workpiece bending mechanism according to claim 1, wherein the rotary cylinder is disposed at an angle of a predetermined angle, a base thereof is hinged to a lower portion of the table surface, and an output end thereof is hinged to the bending plate through a connecting rod.