CN210450520U

CN210450520U - Die structure of guide groove and knife beveling end

Info

Publication number: CN210450520U
Application number: CN201921137386.5U
Authority: CN
Inventors: 陈小刚; 郭延鹤
Original assignee: Guangzhou Minshi Auto Parts Co ltd
Current assignee: Guangzhou Minshi Auto Parts Co ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-05-05
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a mould structure of guide slot one-knife miscut end, including die holder, the fixing base of setting on the die holder, go up cutter, upper die base and set up the briquetting on terminal surface under the upper die base, be provided with on the fixing base and place the chamber, going up the cutter and installing at the fixing base through going up the cutter slider, the rear portion of placing the chamber is provided with the gliding chamber that supplies the cutter slider and go up cutter along vertical direction reciprocating motion, and the juncture of placing chamber and gliding chamber is provided with the cutter under the second, and the middle part of placing the chamber is provided with the first under-cut sword that can fluctuate, first under-cut sword with place and form the first passageway that supplies the guide slot to pass through between the chamber, go up the briquetting and be facing to going up the cutter. The utility model can complete the punching of the guide slot at 1 station, improve the production beat, and reduce the inventory quantity of the spare parts of the die and the cost of the spare parts of the die; and the development and maintenance cost of the die is reduced.

Description

Die structure of guide groove and knife beveling end

Technical Field

The utility model relates to a die-cut mould, especially a mould structure of guide slot quire miscut end in the automobile parts production research field.

Background

The semi-finished product of the guide rail of the guide groove is a rolled piece with a certain section formed by a rolling line, then the required radian is bent by a roll bending jig, and finally the product is cut by a cutting die on a ternary cutting machine to obtain the required semi-finished product.

In a rolling door frame, a guide groove welded on an B, C pillar is a narrow-mouth guide groove, the lower end of the guide groove is inclined for avoiding position, and the upper end of the guide groove is also inclined for assembling; taking the lower end of the guide groove as an example for explanation, if the end head is linear, dislocation cutting or eight-claw cutting structure can be adopted for one-knife punching, but the end head is an inclined plane, and the traditional process is as follows: 1. firstly, the opening faces upwards, and the inclined plane of the bottom surface is punched out; 2. the opening is downward, and the two ends are cut laterally. I.e. the blanking needs to be done in 2 stations.

The traditional process has the following defects:

1) the stamping beat is not high and can only be 240 PCS/H;

2) the number of spare parts of the die is large, and 2 stations and 6 spare cutters are arranged on one die;

3) the development costs of the mold are higher and the maintenance costs are also higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a die structure of end is cut to guide slot quire, it can accomplish the guide slot die-cut at 1 station, improves the production beat.

The utility model provides a solution of its technical problem is: a die structure of a guide groove and one-knife beveling end comprises a lower die base, a fixing base arranged on the lower die base, an upper cutter, an upper die base and an upper pressing block arranged on the lower end face of the upper die base, wherein a placing cavity is formed in the fixing base, the upper cutter is installed on the fixing base through an upper cutter sliding block, a sliding cavity for the upper cutter sliding block and the upper cutter to reciprocate in the vertical direction is formed in the rear portion of the placing cavity, a second lower cutter is arranged at the junction of the placing cavity and the sliding cavity, a first lower cutter capable of floating up and down is arranged in the middle of the placing cavity, a first channel for the guide groove to pass through is formed between the first lower cutter and the placing cavity, and the upper pressing block faces the.

As a further improvement of the above technical solution, the cutting edge of the first lower cutter is an inclined or straight edge, and the cutting edge of the second lower cutter is an inclined or straight edge.

As a further improvement of the technical scheme, the first lower cutting knife comprises a horizontal part and a vertical part, the vertical part penetrates through the bottom of the placing cavity and is placed in the mounting hole of the fixing seat, a first spring is arranged between the vertical part and the lower die seat, and a cutting edge of the first lower cutting knife is formed at the intersection of the upper end surface and the rear end surface of the horizontal part.

As a further improvement of the technical scheme, the fixing seat comprises a limiting screw, and the limiting screw penetrates through a screw hole in the front side of the fixing seat and then extends into a limiting groove in the vertical part.

As a further improvement of the above technical solution, a tapered leading end is provided on the horizontal portion, and the leading end is located at the front of the placing cavity.

As a further improvement of the technical scheme, the floating range of the first lower cutter is 2-3.5 mm.

As a further improvement of the technical scheme, the fixed seat is provided with two limiting blocks, a limiting space is formed between the two limiting blocks, and the upper cutter sliding block is arranged in the limiting space.

As a further improvement of the technical scheme, two return springs are arranged between the upper cutter sliding block and the lower die holder.

The utility model has the advantages that: the utility model discloses a cutter under the cutter, second and unsteady first cutter down set up, with the opening of guide slot product down, insert to target in place along placing chamber and first cutter for the claw of guide slot is located first cutter and places between the chamber, the diapire of guide slot is located first cutter, go up the down back of cutter, compress tightly the guide slot after first cutter is down, go up the diapire of cutter and first cutter with the guide slot and cut off, go up the cutter and cut off the claw of guide slot with the cutter under cutter and the second. The utility model can complete the punching of the guide slot at 1 station, improve the production beat, and reduce the inventory quantity of the spare parts of the die and the cost of the spare parts of the die; and the development and maintenance cost of the die is reduced.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

FIG. 1 is a schematic structural view of the present invention with the upper die base removed;

fig. 2 is a schematic view of the installation of the upper cutter of the utility model;

fig. 3 is a schematic view of the installation of the first lower cutter and the second lower cutter of the present invention;

fig. 4 is a top view of the fixing base of the present invention;

fig. 5 is a schematic view of the first lower cutter of the present invention mounted on the fixing base;

fig. 6 is a schematic view of the installation of the first lower cutter of the present invention;

fig. 7 is a schematic view of the present invention before die cutting;

fig. 8 is a schematic view of the present invention in die cutting.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions.

Referring to fig. 1 to 8, the die structure for the guide groove one-knife beveling end comprises a lower die holder 1, a fixed seat 2 arranged on the lower die holder 1, an upper knife 6, an upper die holder and an upper pressing block arranged on the lower end face of the upper die holder, wherein a placing cavity 7 is arranged on the fixed seat 2, the upper knife 6 is installed on the fixed seat 2 through the upper knife slider 5, a sliding cavity 14 for the upper knife slider 5 and the upper knife 6 to reciprocate along the vertical direction is arranged at the rear part of the placing cavity 7, a second lower knife 13 is arranged at the junction of the placing cavity 7 and the sliding cavity 14, a first lower knife 11 capable of floating up and down is arranged in the middle of the placing cavity 7, a first channel for the guide groove 100 to pass through is formed between the first lower knife 11 and the placing cavity 7, and the upper pressing block faces the upper knife slider. The upper end face of the upper cutter sliding block 5 is provided with a hitting block 4, after the upper die base descends, the upper pressing block presses the hitting block 4 to drive the upper cutter 6 to descend, the upper cutter 6 is contacted with the guide groove 100, the first lower cutter 11 is driven to descend due to the fact that the first lower cutter 11 can float, when the upper cutter 6 is contacted with the guide groove 100, the first lower cutter 11 is stressed, when the first lower cutter 11 moves to the end, the guide groove 100 is pressed by the first lower cutter 11 and the second lower cutter 13, after the upper cutter 6 continues to descend, the upper cutter 6 and the first lower cutter 11 cut off the bottom wall of the guide groove 100, the upper cutter 6 and the second lower cutter 13 cut off the claw part 101 of the guide groove 100, and after the upper die base descends to the right position.

In order to successfully complete the punching of the guide groove 100, the lower die holder 1 is provided with an auxiliary support frame 8, and the auxiliary support frame 8 is located on the front side surface of the lower die holder 1.

The cutting edge of the first lower cutter 11 is an inclined surface or a straight surface edge, and the cutting edge of the second lower cutter 13 is an inclined surface or a straight surface edge. Preferably, in the punching of the present guide groove 100, the cutting edge of the first lower cutter 11 is the first cutting edge 16, and the first cutting edge 16 is the edge of the inclined plane. Specifically, the first blade 16 is an upper edge of the rear end surface of the first lower cutter 11. The cutting edge of the second lower cutter 13 is a second cutting edge 15, and the second cutting edge 15 is also an edge of the inclined plane. Specifically, the second blade 15 is an upper edge of the front end surface of the sliding cavity 14. Correspondingly, the upper cutting edge 60 of the upper cutter 6 is an edge of a bevel, and the upper cutting edge 60 is a lower edge of the front end face of the upper cutter.

The first lower cutting knife 11 comprises a horizontal part 17 and a vertical part 18, the vertical part 18 penetrates through the bottom of the placing cavity 7 and is placed in the mounting hole of the fixing seat 2, a first spring 20 is arranged between the vertical part 18 and the lower die seat 1, and a cutting edge of the first lower cutting knife 11 is formed at the intersection of the upper end surface and the rear end surface of the horizontal part 17. The first cutting edge 16 is located at the upper edge of the rear end surface of the horizontal portion 17.

The limiting screw 9 is arranged in a limiting groove 19 of the vertical part 18 after penetrating through a screw hole on the front side of the fixing seat 2. When the vertical part 18 moves in the vertical direction, the maximum value of the vertical part 18 is controlled to be the upward maximum value and the downward maximum value by the stopper screw 9 and the stopper groove 19.

The horizontal part 17 is provided with a tapered leading end 12, and the leading end 12 is located at the front part of the placing cavity 7. The leading end 12 facilitates the operator to insert the guide groove 100 between the first lower cutter 11 and the placing chamber 7. The leading end 12 is tapered. The tapered portion of the leading end 12 extends out of the placement chamber 7.

The floating range of the first lower cutter 11 is 2-3.5 mm. Preferably, the floating range of the first lower cutter 11 is 3 mm. After the upper die base descends, the upper pressing block presses the upper block 4 to drive the upper cutter 6 to descend by 1.5mm, the upper cutter 6 is in contact with the guide groove 100, the first spring 20 is installed below the first lower cutter 11, the first spring 20 is a linear spring, the elasticity is small, when the upper cutter 6 is in contact with the guide groove 100, the first lower cutter 11 is driven to descend by 3mm under stress, when the first lower cutter 11 moves to the bottom, the guide groove 100 is pressed by the first lower cutter 11 and the second lower cutter 13, after the upper cutter 6 continues to descend by 6mm, the upper cutter 6 and the first lower cutter 11 cut the bottom wall of the guide groove 100, the upper cutter 6 and the second lower cutter 13 cut the claw part 101 of the guide groove 100, and after the upper die base descends to the right position, the head cutting process is completed.

Two limiting blocks 3 are arranged on the fixed seat 2, a limiting space is formed between the two limiting blocks 3, and the upper cutter sliding block 5 is installed in the limiting space. Two return springs 10 are arranged between the upper cutter sliding block 5 and the lower die holder 1.

After the upper cutter 6 finishes punching, the upper die base moves upwards to reset, and the upper cutter sliding block 5 resets under the action of the two reset springs 10, so that the upper cutter 6 moves upwards to reset. The medial surface of stopper 3 is provided with a arch 30, and the slider both sides are provided with a cell body, have the clearance between the medial surface of arch 30 and the lateral surface of cell body, and the cutter 6 that goes upward resets of being convenient for. When the upper cutter 6 moves upwards to reset to the highest point, the position of the upper cutter 6 is limited after the lower end surface of the bulge is contacted with the lower end surface of the groove body, and the upper cutter 6 is prevented from being separated from the fixed seat 2 too far under the action of the reset spring 10.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. The utility model provides a mould structure of guide slot sword chamfer end which characterized in that: the die comprises a lower die holder, a fixed seat arranged on the lower die holder, an upper cutter, an upper die holder and an upper pressing block arranged on the lower end face of the upper die holder, wherein a placing cavity is formed in the fixed seat, the upper cutter is installed on the fixed seat through an upper cutter sliding block, a sliding cavity for the upper cutter sliding block and the upper cutter to reciprocate in the vertical direction is formed in the rear part of the placing cavity, a second lower cutter is arranged at the junction of the placing cavity and the sliding cavity, a first lower cutter capable of floating up and down is arranged in the middle of the placing cavity, a first channel for a guide groove to pass through is formed between the first lower cutter and the placing cavity, and the upper pressing block faces the upper cutter.

2. The die structure of a channel-guiding knife-chamfering tip according to claim 1, wherein: the cutting edge of the first lower cutter is an inclined surface or a straight surface edge, and the cutting edge of the second lower cutter is an inclined surface or a straight surface edge.

3. The die structure of a channel-guiding knife-chamfering tip according to claim 1, wherein: the first lower cutter comprises a horizontal part and a vertical part, the vertical part penetrates through the bottom of the placing cavity and is placed in the mounting hole of the fixing seat, a first spring is arranged between the vertical part and the lower die seat, and a cutting edge of the first lower cutter is formed at the intersection of the upper end surface of the horizontal part and the rear end surface of the horizontal part.

4. The die structure of a channel-cutting chamfer head as claimed in claim 2, wherein: the limiting screw penetrates through a screw hole in the front side of the fixing seat and then extends into a limiting groove in the vertical part.

5. The die structure of a channel-cutting chamfer head as claimed in claim 3, wherein: the horizontal part is provided with a conical guide end which is positioned at the front part of the placing cavity.

6. The die structure of a guide slot and knife-chamfering end head as claimed in claim 1 or 3, wherein: the floating range of the first lower cutter is 2-3.5 mm.

7. The die structure of a channel-guiding knife-chamfering tip according to claim 1, wherein: two limiting blocks are arranged on the fixing seat, a limiting space is formed between the two limiting blocks, and the upper cutter sliding block is arranged in the limiting space.

8. The die structure of a guide slot one-knife beveling end head as claimed in claim 1 or 7, wherein: two return springs are arranged between the upper cutter sliding block and the lower die holder.