CN211100926U

CN211100926U - Multi-stage automatic bending machine for sheet metal

Info

Publication number: CN211100926U
Application number: CN201921574152.7U
Authority: CN
Inventors: 晏开全; 高飞; 邵长伟
Original assignee: Suzhou Dingcheng Precision Technology Co ltd
Current assignee: Suzhou Dingcheng Precision Technology Co ltd
Priority date: 2019-09-21
Filing date: 2019-09-21
Publication date: 2020-07-28
Anticipated expiration: 2029-09-21

Abstract

The utility model discloses a multistage automatic crib crimper of panel beating sheet, it includes the lower bolster, sets up the lower bolster top and carry out the up-and-down motion go up the mould subassembly, will place the material unit that pushes away that sheet on the lower bolster promoted forward, the lower bolster is buckled station and third including the first station of buckling, the second that distribute around being and is buckled station and setting and is located in each is buckled the station region a plurality of faces of bending of the lower bolster left and right sides, go up be provided with on the mould subassembly with the face cooperation of bending realizes the briquetting of buckling. The utility model discloses can once only accomplish the multistage bending type in the automation, become rectangle or day font shell structure with single sheet bending type, it is efficient just to buckle the precision height.

Description

Multi-stage automatic bending machine for sheet metal

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of the crib crimper, especially, relate to a multistage automatic crib crimper of panel beating sheet.

[ background of the invention ]

Currently, there is a product of a housing structure formed of a sheet material, which is rectangular or a shape of a japanese character according to the customer specification. The traditional method is that a sheet is placed on a semi-automatic tool fixture, then an upper die is pressed downwards to realize 90-degree bending of a bending position, then the sheet is moved to enable a second bending line needing to be bent to be aligned with a bending surface, the upper die is started to be pressed downwards to realize 90-degree bending of the second bending position, and the like until all the bending lines are bent. The manufacturing method has the defects that the manufacturing efficiency is very low, the production requirements of large batch and short period cannot be met, the bending position precision is difficult to accurately control, and the defective product rate is high.

Therefore, it is necessary to provide a multi-stage automatic bending machine for sheet metal materials to solve the above problems.

[ Utility model ] content

An object of the utility model is to provide a multistage automatic crib crimper of panel beating sheet can automize and once only accomplish multistage the bending, buckles the sheet to form rectangle or day font shell structure with the sheet, and the precision of buckling is high and buckle efficiently.

The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides a multistage automatic crib crimper of panel beating sheet, its includes the lower bolster, sets up the lower bolster top and carry out the up-and-down motion go up the mould subassembly, will place the material unit that pushes away that sheet on the lower bolster promoted forward, the lower bolster is including the first station of buckling, the second that distribute around being buckle station and the third station of buckling and set up and buckle the station region and be located at each a plurality of faces of bending of the lower bolster left and right sides, go up be provided with on the mould subassembly with the cooperation of the face of bending realizes the briquetting of buckling.

Furthermore, the face of bending is including being located first bending face and the second bending face that distributes about the first station of buckling, being located the second station of buckling's third bending face, being located the third station of buckling is controlled the fourth bending face and the fifth bending face that distribute about the station.

Furthermore, the bending surfaces are vertical planes, and the bending surfaces corresponding to the bending stations are integrally distributed in a stepped inward-shrinking manner.

Furthermore, a plurality of open grooves which are in one-to-one correspondence with the bending surfaces and are close to the corresponding bending surfaces are formed in the upper surface of the lower template.

Furthermore, the material pushing unit comprises a first air cylinder, a first movable plate driven by the first air cylinder to move back and forth, a second air cylinder fixed on the first movable plate, a second movable plate driven by the second air cylinder to move back and forth, a third air cylinder fixed on the second movable plate, a movable block driven by the third air cylinder to move back and forth, and a positioning column fixed on the movable block and penetrating through the sheet to realize sheet positioning.

Furthermore, a sinking type sliding groove is further formed in the middle of the lower template, and the movable block is located in the sinking type sliding groove and slides.

Further, go up the mould subassembly and include the pneumatic cylinder, receive the pneumatic cylinder drive carries out the last backup pad of up-and-down motion, through a plurality of elastic component with go up the backup pad and connect and be located go up the elastic floating plate of backup pad below, fix go up on the backup pad and pass a plurality of elastic floating plate the briquetting of bending.

Furthermore, the bending press block comprises a first bending press block for enabling the sheet to be bent for 90 degrees on the first bending surface, a second bending press block for enabling the sheet to be bent for 90 degrees on the second bending surface, a third bending press block for enabling the sheet to be bent for 90 degrees on the third bending surface, a fourth bending press block for enabling the sheet to be bent for 90 degrees on the fourth bending surface, and a fifth bending press block for enabling the sheet to be bent for 90 degrees on the fifth bending surface.

Furthermore, go up the mould subassembly still including fixing go up the backup pad and pass a plurality of locating levers of elastic floating plate.

Furthermore, the lower template is provided with a pair of first positioning holes in the first bending station area and a pair of second positioning holes in the second bending station area, and the positioning rods comprise first positioning rods penetrating through the sheets and inserted into the first positioning holes and second positioning rods penetrating through the sheets and inserted into the second positioning holes.

Compared with the prior art, the utility model relates to a multistage automatic crib crimper of panel beating sheet's beneficial effect lies in: can realize tertiary the buckling fully automatically once only, buckle the planar sheet material and form rectangle or "day" font structure, improved the production efficiency of rectangle or "day" font structure product greatly.

[ description of the drawings ]

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

fig. 2 is a schematic structural view of the lower die plate and the pushing unit in the embodiment of the present invention;

fig. 3 is a schematic structural view of the lower template in the embodiment of the present invention;

fig. 4 is a schematic structural view of an upper die assembly in an embodiment of the present invention;

FIG. 5 is an exploded view of a portion of the upper mold assembly according to an embodiment of the present invention;

FIG. 6 is a schematic view of the fitting structure of the lower template and the bending pressing block in the embodiment of the present invention;

the figures in the drawings represent:

100 sheet metal sheet multi-stage automatic bending machine; 101 a sheet material;

1, a lower template, 11 a first bending station, 12 a second bending station, 13 a third bending station, 14 a first bending surface, 15 a second bending surface, 16 a third bending surface, 17 a fourth bending surface, 18 a fifth bending surface, 19 an open type groove, 110 a sinking type sliding groove, 111 a first positioning hole and 112 a second positioning hole;

2, an upper die assembly, 21 hydraulic cylinders, 22 upper supporting plates, 23 elastic pieces, 24 elastic floating plates, 25 first bending pressing blocks, 26 second bending pressing blocks, 27 third bending pressing blocks, 28 fourth bending pressing blocks, 29 fifth bending pressing blocks, 210 first positioning rods and 211 second positioning rods;

3, a pushing unit, 31 a first air cylinder, 32 a first movable plate, 33 a second air cylinder, 34 a second movable plate, 35 a third air cylinder, 36 a movable block and 37 a positioning column.

[ detailed description ] embodiments

Example (b):

referring to fig. 1 to 6, the present embodiment is a sheet metal sheet multi-stage automatic bending machine 100, which includes a lower die plate 1, an upper die assembly 2 disposed above the lower die plate 1 and moving up and down, and a material pushing unit 3 pushing forward a sheet placed on the lower die plate 1.

The lower template 1 comprises a first bending station 11, a second bending station 12, a third bending station 13 and a plurality of bending surfaces (not marked in the figure) which are arranged at the front and back of each bending station and are positioned at the left and right sides of the lower template 1.

The bending surface comprises a first bending surface 14 and a second bending surface 15 which are located at the left side and the right side of the first bending station 11, a third bending surface 16 at the second bending station 12, a fourth bending surface 17 and a fifth bending surface 18 which are located at the third bending station 13 and distributed at the left side and the right side. The bending surfaces are vertical planes. The bending surfaces corresponding to the bending stations are integrally distributed in a stepped inward-shrinking manner. The position of each bending surface is designed according to the position of the sheet to be bent.

The upper surface of the lower template 1 is provided with a plurality of open grooves 19 which are in one-to-one correspondence with the bending surfaces and are close to the corresponding bending surfaces, so that the bending quality is guaranteed, and the sheet is effectively prevented from being broken.

The pushing unit 3 includes a first cylinder 31, a first movable plate 32 driven by the first cylinder 31 to move forward and backward, a second cylinder 33 fixed on the first movable plate 32, a second movable plate 34 driven by the second cylinder 33 to move forward and backward, a third cylinder 35 fixed on the second movable plate 34, a movable block 36 driven by the third cylinder 35 to move forward and backward, and a positioning column 37 fixed on the movable block 36 and passing through a sheet to position the sheet. The positioning column 37 is driven by the first air cylinder 31 to push the sheet 101 to the first bending station 11; the positioning column 37 is driven by the second air cylinder 33 to push the sheet 101 to the second bending station 12; positioning post 37 is driven by third cylinder 35 to push sheet 101 to third bending station 13.

The middle part of the lower template 1 is also provided with a sinking chute 110. The movable block 36 slides in the sinking chute 110.

The upper die assembly 2 comprises a hydraulic cylinder 21, an upper supporting plate 22 driven by the hydraulic cylinder 21 to move up and down, an elastic floating plate 24 connected with the upper supporting plate 22 through a plurality of elastic parts 23 and positioned below the upper supporting plate 22, and a plurality of bending pressing blocks and a plurality of positioning rods which are fixed on the upper supporting plate 22 and penetrate through the elastic floating plate 24.

The bending press block comprises a first bending press block 25 for enabling the sheet to be bent for 90 degrees on the first bending surface 14, a second bending press block 26 for enabling the sheet to be bent for 90 degrees on the second bending surface 15, a third bending press block 27 for enabling the sheet to be bent for 90 degrees on the third bending surface 16, a fourth bending press block 28 for enabling the sheet to be bent for 90 degrees on the fourth bending surface 17, and a fifth bending press block 29 for enabling the sheet to be bent for 90 degrees on the fifth bending surface 18.

The lower template 1 is provided with a pair of first positioning holes 111 in the area of the first bending station 11 and a pair of second positioning holes 112 in the area of the second bending station 12, and the positioning rods include first positioning rods 210 penetrating through the sheet 101 and inserted into the first positioning holes 111 and second positioning rods 211 penetrating through the sheet 101 and inserted into the second positioning holes 112. Through the cooperation of locating lever and locating hole, fix the sheet on the station of buckling that corresponds, and play the positioning action, the guarantee precision of position of buckling.

The sheet 101 is bent at three levels at one time through the sheet metal multistage automatic bending machine 100, and the planar sheet 101 is bent to form a single rectangular or inverted-letter-shaped structure, so that the production efficiency of rectangular or inverted-letter-shaped structure products is greatly improved.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The utility model provides a multistage automatic crib crimper of panel beating sheet which characterized in that: it includes the lower bolster, sets up the lower bolster top and carry out the last mould subassembly of up-and-down motion, will place pushing away the material unit that sheet on the lower bolster promoted forward, the lower bolster is including the first station of buckling, the second that is the front and back distribution buckle station and the third station of buckling and set up in each buckle the station region and be located a plurality of faces of bending of the lower bolster left and right sides, go up be provided with on the mould subassembly with the face cooperation of bending realizes the briquetting of buckling.

2. The sheet metal sheet multistage automatic bending machine according to claim 1, characterized in that: the face of bending is including being located first bending face and the second bending face that distributes about the first station of buckling, being located the second is buckled the third bending face of station, is located the fourth bending face and the fifth bending face that distribute about the third station of buckling just.

3. The sheet metal sheet multistage automatic bending machine according to claim 1, characterized in that: the bending surfaces are vertical planes, and the bending surfaces corresponding to the bending stations are integrally distributed in a stepped inward-shrinking manner.

4. The sheet metal sheet multistage automatic bending machine according to claim 1, characterized in that: the upper surface of the lower template is provided with a plurality of open grooves which are in one-to-one correspondence with the bending surfaces and are close to the corresponding bending surfaces.

5. The sheet metal sheet multistage automatic bending machine according to claim 1, characterized in that: the material pushing unit comprises a first air cylinder, a first movable plate driven by the first air cylinder to perform front and back movement, a second air cylinder fixed on the first movable plate, a second movable plate driven by the second air cylinder to perform front and back movement, a third air cylinder fixed on the second movable plate, a movable block driven by the third air cylinder to perform front and back movement, and a positioning column fixed on the movable block and penetrating through a sheet to realize sheet positioning.

6. The sheet metal sheet multistage automatic bending machine according to claim 5, wherein: the middle part of the lower template is also provided with a sinking type sliding groove, and the movable block is positioned in the sinking type sliding groove to slide.

7. The sheet metal sheet multistage automatic bending machine according to claim 2, characterized in that: go up the mould subassembly and include the pneumatic cylinder, receive the pneumatic cylinder drive carries out the last backup pad of up-and-down motion, through a plurality of elastic component with go up the backup pad and connect and be located go up the elastic floating plate of backup pad below, fix go up on the backup pad and pass a plurality of briquetting of bending of elastic floating plate.

8. The sheet metal sheet multistage automatic bending machine according to claim 7, wherein: the bending pressing block comprises a first bending pressing block for enabling the first bending face to be bent for 90 degrees, a second bending pressing block for enabling the second bending face to be bent for 90 degrees, a third bending pressing block for enabling the third bending face to be bent for 90 degrees, a fourth bending pressing block for enabling the fourth bending face to be bent for 90 degrees, and a fifth bending pressing block for enabling the fifth bending face to be bent for 90 degrees.

9. The sheet metal sheet multistage automatic bending machine according to claim 7, wherein: the upper die assembly further comprises a plurality of positioning rods which are fixed on the upper supporting plate and penetrate through the elastic floating plate.

10. The sheet metal sheet multistage automatic bending machine according to claim 9, wherein: the lower template is provided with a pair of first positioning holes in the first bending station area and a pair of second positioning holes in the second bending station area, and the positioning rods comprise first positioning rods penetrating through the sheets and inserted into the first positioning holes and second positioning rods penetrating through the sheets and inserted into the second positioning holes.