CN217018174U - Lower die plate of blanking progressive die for lower connecting plate of left and right front longitudinal beam channels - Google Patents
Lower die plate of blanking progressive die for lower connecting plate of left and right front longitudinal beam channels Download PDFInfo
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- CN217018174U CN217018174U CN202220107846.5U CN202220107846U CN217018174U CN 217018174 U CN217018174 U CN 217018174U CN 202220107846 U CN202220107846 U CN 202220107846U CN 217018174 U CN217018174 U CN 217018174U
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Abstract
The utility model belongs to the field of automobile part processing equipment, and discloses a lower template of a left and right front longitudinal beam channel lower connecting plate blanking progressive die, which comprises a stamping template, wherein the stamping template is positioned behind the stamping template, a first blanking position, a second blanking position and a third blanking position are sequentially arranged on the stamping template from front to back, the first blanking position comprises blanking holes for blanking positioning holes and transverse grooves for blanking two symmetrical arrangements, the second blanking position comprises four vertical grooves, the vertical grooves are arranged in 2 rows, and each row of the vertical grooves is symmetrically arranged with two vertical grooves; the third blanking position is two triangular special-shaped grooves which are symmetrically arranged. Through the lower die plate and the blanking mechanism on the upper die matched with the blanking position and the punching position of the lower die plate, the semi-finished product of the left and right front longitudinal beam channel lower connecting plates can be continuously blanked/extruded.
Description
Technical Field
The utility model belongs to the field of automobile part processing equipment, and particularly relates to a lower template of a blanking continuous die for a lower connecting plate of a left front longitudinal beam channel and a right front longitudinal beam channel.
Background
The structure of the semi-finished product of the left and right front side rail under-channel joint plates can be seen from fig. 3, and the front and rear sides thereof have four recesses E, and in the prior art, a multi-stage blanking process is adopted.
The blanking efficiency can be effectively improved by the progressive die processing, so the technical problem to be solved by the scheme is that: how to develop a continuous die suitable for left and right front longitudinal beam channel lower connecting plates of the company.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a lower template of a blanking continuous die for a left and right front longitudinal beam channel lower connecting plate, wherein a corresponding upper die can be correspondingly developed according to the lower template.
According to a first aspect of the utility model, a lower die plate of a left and right front longitudinal beam channel lower connecting plate blanking progressive die is provided, which comprises a stamping die plate, wherein the stamping die plate is positioned behind the stamping die plate, a first blanking position, a second blanking position and a third blanking position are sequentially arranged on the stamping die plate from front to back, a first positioning pin is arranged between the first blanking position and the second blanking position, a second positioning pin is arranged between the second blanking position and the third blanking position, the first blanking position comprises a blanking hole for blanking the positioning hole and two symmetrically arranged transverse grooves for blanking, and the positioning hole is used for being matched with the second positioning pin; the second blanking position comprises four vertical grooves which are arranged in 2 rows, and two vertical grooves are symmetrically arranged in each row; the third blanking positions are two triangular special-shaped grooves which are symmetrically arranged; two opposite edges of the special-shaped groove are arc-shaped edges;
after the first blanking position, the second blanking position and the third blanking position are overlapped, each transverse groove is intersected with two vertical grooves in each row of vertical grooves, and an included angle formed by two arc-shaped edges is overlapped with the end part of each transverse groove;
a third positioning pin matched with the positioning hole is arranged between the third blanking position and the stamping template; two stamping grooves are arranged on the stamping template in the front and back direction.
In the lower die plate of the blanking continuous die for the lower connecting plate of the left front longitudinal beam channel and the right front longitudinal beam channel, the opposite ends of the two transverse grooves are Y-shaped;
after the first blanking position and the second blanking position are overlapped, two branches of the end part of the Y shape are respectively connected to the corresponding vertical grooves.
In the lower die plate of the blanking continuous die for the left and right front longitudinal beam channel lower connecting plates, the opposite ends of the four vertical grooves are provided with chamfers, and the four chamfers enclose a square with four unclosed corners.
And in the lower template of the left and right front longitudinal beam channel lower connecting plate blanking progressive die, a fourth positioning pin matched with the positioning hole is arranged between the two punching grooves.
One of the above technical solutions of the present invention has at least one of the following advantages or beneficial effects:
the utility model develops a template suitable for a lower die of a progressive die, a corresponding upper die can be developed according to the lower template, the lower template is the most core in the die development process, and the semi-finished product of the left and right front longitudinal beam channel lower connecting plate can be continuously blanked/extruded through the lower template and a blanking mechanism on the upper die matched with a blanking position and a stamping position of the lower template. The processing efficiency is high, and the product precision is high.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a top view of embodiment 1 of the present invention;
FIG. 2 is a perspective view of embodiment 1 of the present invention;
fig. 3 is a plan view of the left and right front side rail under-tunnel gusset of embodiment 1 of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Referring to fig. 1 to 3, the lower die plate of the left and right front longitudinal channel lower connecting plate blanking progressive die comprises a blanking die plate 1 and a stamping die plate 2, wherein the stamping die plate 1 is positioned behind the blanking die plate 1, a first blanking position, a second blanking position and a third blanking position are sequentially arranged on the blanking die plate 1 from front to back, a first positioning pin 3 is arranged between the first blanking position and the second blanking position, a second positioning pin 4 is arranged between the second blanking position and the third blanking position, the first blanking position comprises a blanking hole 5 for blanking a positioning hole a and two transverse grooves 6 which are symmetrically arranged, and the positioning hole a is used for being matched with the second positioning pin 4; the second blanking position comprises four vertical grooves 7, the vertical grooves 7 are divided into 2 rows, and two vertical grooves 7 are symmetrically arranged in each row; the third blanking position is two triangular special-shaped grooves 8 which are symmetrically arranged; two opposite edges of the special-shaped groove 8 are arc-shaped edges; the arc-shaped edge 13 is in the shape of an arc protruding towards the inside of the profiled groove 8. The special-shaped groove, the vertical groove and the transverse groove are all through grooves.
After the first blanking position, the second blanking position and the third blanking position are overlapped, each transverse groove 6 is intersected with two vertical grooves 7 in each row of vertical grooves 7, and an included angle formed by two arc-shaped edges is overlapped with the end part of each transverse groove 6;
a third positioning pin 9 matched with the positioning hole A is arranged between the third blanking position and the stamping template 2; two stamping grooves 12 are arranged on the stamping die plate 2 in the front and back direction.
In the processing process, a continuous steel plate is placed in a die and attached to the lower die plate, a positioning hole A and a transverse bar hole B are punched on the steel plate at a first punching position, and the transverse bar hole B is punched by a transverse groove 6; four vertical bar holes C are punched at the second punching position, the vertical bar holes C are punched through the vertical grooves 7, two symmetrical special-shaped areas D are punched at the third punching position, and the special-shaped areas D are punched through the special-shaped grooves 8.
Through the processing of the blanking template 1, one end of the transverse strip hole B is connected with the two vertical strip holes C, and the other end of the transverse strip hole B is connected with one corner of the special-shaped area D, so that a hole with one open side and extending towards two sides in the steel plate is formed.
And then the blank is fed into the die plate 2 to punch two recesses, the edges of which are the parts of the holes formed in the above steps.
Preferably, the ends 14 of the two transverse grooves 6 opposite each other are Y-shaped;
after the first blanking position and the second blanking position are overlapped, two branches of the end part of the Y shape are respectively connected to the corresponding vertical grooves 7, the end parts of the four vertical grooves 7 opposite to each other are provided with chamfers, and the four chamfers 11 enclose a square 9 with four unclosed corners.
The corners of the finally formed hole can be chamfered and smoothly transitioned by the Y-shaped ends of the transverse grooves 6 and the chamfering of the vertical grooves 7.
Preferably, a fourth positioning pin 10 matched with the positioning hole a is arranged between the two stamping grooves.
The punching groove is designed according to the design specification of a product, in the embodiment, one punching groove is long, the other punching groove is short, the longer punching groove is a regular isosceles trapezoid, and the long edge of the shorter punching groove is an arc protruding outwards.
Four concave parts E of the lower connecting plate of the channel of the left and right front longitudinal beams are punched through the punching groove.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (4)
1. A lower die plate of a blanking progressive die for a left and right front longitudinal beam channel lower connecting plate comprises a stamping die plate, wherein the stamping die plate is positioned behind the stamping die plate, and is characterized in that a first blanking position, a second blanking position and a third blanking position are sequentially arranged on the stamping die plate from front to back, a first positioning pin is arranged between the first blanking position and the second blanking position, a second positioning pin is arranged between the second blanking position and the third blanking position, the first blanking position comprises a blanking hole for blanking the positioning hole and two symmetrically arranged transverse grooves for blanking, and the positioning hole is used for being matched with the second positioning pin; the second blanking position comprises four vertical grooves, the vertical grooves are arranged in 2 rows, and two vertical grooves are symmetrically arranged in each row; the third blanking position is two triangular special-shaped grooves which are symmetrically arranged; two opposite edges of the special-shaped groove are arc-shaped edges;
after the first blanking position, the second blanking position and the third blanking position are overlapped, each transverse groove is intersected with two vertical grooves in each row of vertical grooves, and an included angle formed by two arc-shaped edges is overlapped with the end part of each transverse groove;
a third positioning pin matched with the positioning hole is arranged between the third blanking position and the stamping template; two stamping grooves are arranged on the stamping die plate in the front and back direction.
2. The lower die plate of the left and right front longitudinal beam channel lower connecting plate blanking continuous die as claimed in claim 1, wherein the opposite ends of the two transverse grooves are Y-shaped;
after the first blanking position and the second blanking position are overlapped, two branches of the end part of the Y shape are respectively connected to the corresponding vertical grooves.
3. The lower die plate of the left and right front longitudinal beam channel lower connecting plate blanking continuous die as claimed in claim 2, wherein the end portions of the four vertical grooves opposite to each other are provided with chamfers, and the four chamfers enclose a square with four unclosed corners.
4. The lower die plate of the left and right front longitudinal beam channel lower connecting plate blanking progressive die as claimed in claim 1, wherein a fourth positioning pin matched with the positioning hole is arranged between the two stamping grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220107846.5U CN217018174U (en) | 2022-01-16 | 2022-01-16 | Lower die plate of blanking progressive die for lower connecting plate of left and right front longitudinal beam channels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220107846.5U CN217018174U (en) | 2022-01-16 | 2022-01-16 | Lower die plate of blanking progressive die for lower connecting plate of left and right front longitudinal beam channels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217018174U true CN217018174U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220107846.5U Active CN217018174U (en) | 2022-01-16 | 2022-01-16 | Lower die plate of blanking progressive die for lower connecting plate of left and right front longitudinal beam channels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217018174U (en) |
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2022
- 2022-01-16 CN CN202220107846.5U patent/CN217018174U/en active Active
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