Punch forming die for automobile parts

By designing cleaning and ejection components for stamping dies of automotive parts, the problem of die damage caused by untimely removal of metal filings was solved, thereby improving part quality and efficiency.

CN223571884UActive Publication Date: 2025-11-21XIAMEN GOLDEN DRAGON AUTO BODY
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Patent Information

Application Number
CN202423180295.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-11-21
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

In the existing technology, if iron filings are not cleaned up in time during the stamping process of automotive parts, they will damage the mold, affecting the quality of the parts and processing efficiency.

Method used

A stamping die for automotive parts has been designed, comprising a cleaning component and an ejection component. Components such as scrapers and corrugated airbags are used to achieve timely cleaning of metal chips and smooth discharge of parts, avoiding damage to the die by metal chips and improving forming quality and efficiency.

Benefits of technology

By promptly cleaning up iron filings and removing parts, damage to the mold is avoided, thus improving the quality of the molded parts and processing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile part stamping, in particular to an automobile part stamping forming die which comprises a base, sliding rods are fixedly connected to the corners of the upper end of the base, first springs are movably connected to the outer portions of the sliding rods, the upper ends of the multiple sliding rods are jointly and movably connected with a downward pressing module, and the lower ends of the multiple sliding rods are movably connected with the downward pressing module. The middle of the lower end of the downward pressing module is fixedly connected with a male die, the interior of the base is fixedly connected with a female die, the middle of the interior of the female die is provided with a discharging groove, the interior of the female die is provided with a cleaning assembly, and the cleaning assembly comprises a movable groove formed in the periphery of the interior of the female die. Sliding grooves are formed in the inner walls of the peripheries of the movable grooves, round rods are movably connected to the interiors of the movable grooves in the peripheries, scrap iron generated by punch forming can be cleared away in time, and therefore the situation that the interior of the die is damaged by sharp scrap iron is avoided, and then the quality of formed parts is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile parts stamping technology especially to an automobile parts stamping forming die. BACKGROUND

[0002] Automobile parts are various units constituting the whole automobile and a kind of product serving the automobile, and there are many types of automobile parts, with the improvement of people's living standards, people's consumption of automobiles is also more and more, and the market of automobile parts is also becoming larger and larger, in recent years, automobile parts manufacturing plants are also developing rapidly, and automobile parts are directly related to the performance, quality and safety of automobiles.

[0003] And automobile parts stamping forming processing is a kind of forming processing method that metal plate is subjected to external force by press and die to produce plastic deformation or separation, so as to obtain the workpiece with required shape and size, this processing method is widely used in the manufacture of automobile body, chassis, oil tank, radiator sheet and other parts, with the continuous progress and innovation of technology, it is believed that automobile parts stamping forming processing will be more efficient, accurate and environmentally friendly.

[0004] In the prior art, the blank is placed on the concave die, and the convex die is used for stamping to shape the blank, but in the process of forming the blank, due to the shearing action of the die edge, the blank will be broken and plastically deformed, thereby generating iron filings, and if the iron filings are not cleaned in time, it will affect the quality of the processed parts, and further affect the automobile parts stamping forming work.

[0005] Therefore, an automobile parts stamping forming die is provided. UTILITY MODEL CONTENTS

[0006] The utility model discloses a kind of automobile parts stamping forming dies, in the stamping forming work process to blank, device can the iron filings generated in stamping forming is cleaned in time, to avoid the damage caused to the inside of die by sharp iron filings, and further improve the quality of forming parts, to solve the problems raised in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical scheme: an automobile parts stamping forming die, including base, the upper end corner of the base is all fixedly connected with slide rod, the outer portion of the slide rod is movably connected with first spring, the upper end of multiple slide rods is movably connected with down-pressing module, the lower end middle part of the down-pressing module is fixedly connected with convex die, the inside of the base is fixedly connected with concave die, the inside middle part of the concave die is equipped with discharge chute;

[0008] The interior of the concave die is provided with a cleaning assembly, the cleaning assembly comprises movable grooves which are arranged on the periphery of the interior of the concave die, the inner walls of the periphery of the movable grooves are provided with sliding grooves, the interiors of the movable grooves of the periphery are movably connected with round rods, the outer sides of the round rods are fixedly connected with connecting blocks, and the ends of the four connecting blocks which are close to each other are fixedly connected with scrapers.

[0009] Preferably, the left and right ends of the round rod are movably connected with sliding sleeves, and the upper ends of the sliding sleeves are fixedly connected with second springs.

[0010] Preferably, the upper end of the concave die is jointly provided with an ejection assembly with the interior of the convex die, the ejection assembly comprises corrugated air bags which are fixedly connected to the left and right sides of the upper end of the concave die, the interiors of the two corrugated air bags are fixedly connected with third springs, and the two corrugated air bags are fixedly connected with connecting pipes.

[0011] Preferably, the ejection assembly further comprises a sealing groove which is arranged in the interior of the convex die, the interior of the sealing groove is movably connected with a jacking rod, the outer side of the jacking rod is movably connected with a fourth spring, and the lower end of the jacking rod is fixedly connected with a support frame.

[0012] Preferably, the sliding groove penetrates into the interior of the discharge groove, and the lower end of the interior of the concave die is semicircular.

[0013] Preferably, the elastic force of the second spring is greater than the sum of the gravity of the round rod, the connecting block and the scraper, the connecting block is slidably attached to the interior of the sliding groove, and the scraper is slidably attached to the inner wall of the discharge groove.

[0014] Preferably, the two connecting pipes penetrate into the interior of the sealing groove, and the lower end of the support frame is flush with the lower end of the convex die.

[0015] Preferably, the elastic force of the third spring is greater than the gravity of the corrugated air bag, and the elastic force of the fourth spring is greater than the sum of the gravity of the jacking rod and the support frame.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The automobile part stamping forming die is provided with a concave die, a lower pressing module, a sliding rod, a sliding sleeve, a second spring, a connecting block and a scraper, and can clean the iron filings generated during stamping forming of a blank in time, so that damage to the interior of the die caused by sharp iron filings is avoided, and the quality of the formed part is improved.

[0018] 2.The automobile part stamping forming die, through the installation of corrugated air bag, third spring, connecting pipe, ejector rod, fourth spring and support frame and other components, when the parts are discharged after the stamping forming of the blank, the device can eject the parts stuck in the discharge slot, thereby avoiding the parts from being stuck in the device and affecting the subsequent stamping, and further improving the automobile forming work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 It is the overall structure view of the present application;

[0021] Figure 2 It is the half cut structure schematic view of the present application;

[0022] Figure 3 It is the half cut structure schematic view of the cleaning assembly of the present application;

[0023] Figure 4 It is the Figure 2 Enlarged view of A in the middle.

[0024] Explanation of reference signs:

[0025] 1, base; 11, sliding rod; 111, first spring; 12, concave die; 121, discharge slot; 122, movable groove; 123, sliding groove; 2, lower pressing module; 21, convex die; 211, sealing groove; 3, cleaning assembly; 31, round rod; 311, sliding sleeve; 312, second spring; 32, connecting block; 33, scraper; 4, ejecting assembly; 41, corrugated air bag; 411, third spring; 42, connecting pipe; 43, ejector rod; 431, fourth spring; 44, support frame. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0027] Please refer to Figures 1 to 4 The present application provides a technical solution:

[0028] The utility model provides a kind of automobile parts stamping forming die, including base 1, the upper end edge corner of the base 1 is fixedly connected with slide rod 11, the outside of the slide rod 11 is movably connected with first spring 111, the upper end of multiple slide rods 11 is movably connected with down-pressing module 2, the lower end middle part of the down-pressing module 2 is fixedly connected with punch 21, the inside of the base 1 is fixedly connected with recess die 12, the inside middle part of the recess die 12 is equipped with discharge groove 121, the inside of the recess die 12 is provided with cleaning assembly 3, the cleaning assembly 3 includes the movable groove 122 being equipped with in recess die 12 inside four quarters, the inside wall of the movable groove 122 is equipped with sliding groove 123, the inside of four movable grooves 122 is movably connected with round bar 31, the outside of the round bar 31 is fixedly connected with connecting block 32, the end of four connecting blocks 32 mutually close is fixedly connected with scraper 33, the left and right ends of the round bar 31 are movably connected with sliding sleeve 311, the upper end of the sliding sleeve 311 is fixedly connected with second spring 312, the sliding groove 123 is connected to the inside of discharge groove 121, the inside lower end of the recess die 12 is semicircular, the spring force of the second spring 312 is greater than the sum of the gravity of round bar 31, connecting block 32 and scraper 33, the connecting block 32 is slidably attached to the inside of sliding groove 123, and the scraper 33 is slidably attached to the inner wall of discharge groove 121.

[0029] By adopting the above technical scheme, when the automobile parts stamping forming work is carried out, first, the blank is placed on the recess die 12 on the upper end of the base 1, the first spring 111 outside the slide rod 11 brings the punch 21 to descend together with the down-pressing module 2 descending, the blank on the upper end of the recess die 12 is stamped as the punch 21 descends, the punch 21 descends to stamp the blank along the discharge groove 121 inside the recess die 12, when the blank contacts the scraper 33 together with the punch 21 descending, the scraper 33 moves downward to make the connecting block 32 slide in the sliding groove 123, so that the round bar 31 stretches the second spring 312 on the upper end of the sliding sleeve 311 to slide along the inside of the movable groove 122, and when it moves to the lower end of the recess die 12, the scraper 33 and the connecting block 32 are turned downward with the round bar 31 as the turning point, and in the process of stamping the blank, the recess die 12 and the punch 21 contact to shear, so that the blank will be broken and plastically deformed, thereby generating iron filings on the inner wall of the recess die 12, and then the punch 21 rises back to the original position, at this time, the second spring 312 on the upper end of the sliding sleeve 311 at the left and right ends of the round bar 31 brings the round bar 31 back to the original position, so that the round bar 31 and the connecting block 32 return upward, and then the scraper 33 moves together with the connecting block 32 rising, and scrapes and cleans the iron filings on the inner wall of the recess die 12, so that the iron filings generated by the cleaning assembly 3 during stamping forming are cleaned in time, thereby improving the quality of the formed parts.

[0030] Specifically, as shown in Figure 4 The upper end of the concave die 12 is provided with an ejection assembly 4 together with the inside of the convex die 21, the ejection assembly 4 comprises corrugated air bags 41 fixedly connected to the left and right sides of the upper end of the concave die 12, the inside of each of the two corrugated air bags 41 is fixedly connected with a third spring 411, a connecting pipe 42 is fixedly connected between the two corrugated air bags 41, the ejection assembly 4 further comprises a sealing groove 211 opened in the inside of the convex die 21, a top rod 43 is movably connected in the inside of the sealing groove 211, a fourth spring 431 is movably connected to the outside of the top rod 43, a support frame 44 is fixedly connected to the lower end of the top rod 43, the two connecting pipes 42 penetrate into the inside of the sealing groove 211, the lower end of the support frame 44 is flush with the lower end of the convex die 21, the elastic force of the third spring 411 is greater than the gravity of the corrugated air bag 41, and the elastic force of the fourth spring 431 is greater than the sum of the gravity of the top rod 43 and the support frame 44.

[0031] By adopting the above technical scheme, when the automobile part stamping forming work is carried out, the lower pressing module 2 moves downward together with the convex die 21, so that the convex die 21 continuously compresses the corrugated air bag 41 and the third spring 411 inside, as the volume of the corrugated air bag 41 inside decreases, the pressure increases, so that the gas in the corrugated air bag 41 enters the inside of the sealing groove 211 in the convex die 21 through the connecting pipe 42, as the gas in the inside of the sealing groove 211 increases, the pressure increases, continuously pushing the top rod 43 to move downward and compressing the fourth spring 431, so that the support frame 44 at the lower end ejects the formed blank, so that when the parts are discharged after the blank stamping forming, the parts stuck in the discharge groove 121 due to inclination can be ejected, thereby avoiding the parts stuck in the discharge groove 121, affecting the subsequent stamping, and further improving the automobile forming work efficiency.

[0032] Working principle: first, the blank is placed on the upper end of the concave die 12, with the descending of the lower pressing module 2, the convex die 21 is lowered together, with the descending of the convex die 21, the blank on the upper end of the concave die 12 is stamped, the convex die 21 is pressed against the blank, the scraper 33 is lowered together, the scraper 33 moves downward, the connecting block 32 slides in the sliding groove 123, the round rod 31 stretches the second spring 312 on the upper end of the sliding sleeve 311 along the movable groove 122, and when it moves to the lower end of the concave die 12, the scraper 33 and the connecting block 32 are turned down with the round rod 31 as the turning point, and in the process of stamping the blank, the concave die 12 and the convex die 21 are in contact and shearing, so that the blank will be broken and plastically deformed, so that iron filings are left on the inner wall of the concave die 12, and then the convex die 21 rises back to the original position, at this time the second spring 312 on the upper end of the sliding sleeve 311 at both ends of the round rod 31 brings the round rod 31 back to the original position, so that the round rod 31 and the connecting block 32 return upward, and then the connecting block 32 rises together with the scraper 33, and the iron filings on the inner wall of the concave die 12 are scraped and cleaned, so as to achieve the timely cleaning of the iron filings generated by the stamping forming through the cleaning assembly 3, thereby improving the quality of the formed parts.

[0033] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A stamping die for automotive parts, comprising a base (1), characterized in that: Each of the upper corners of the base (1) is fixedly connected with a slide rod (11), and the slide rod (11) is movably connected to a first spring (111). The upper ends of multiple slide rods (11) are movably connected to a pressing module (2). The lower middle part of the pressing module (2) is fixedly connected to a punch (21). The base (1) is fixedly connected to a die (12), and the die (12) has a discharge groove (121) in the middle part of its interior. The cavity mold (12) is provided with a cleaning component (3). The cleaning component (3) includes a movable groove (122) opened around the inside of the cavity mold (12). The inner walls of the movable groove (122) are provided with sliding grooves (123). A round rod (31) is movably connected inside the movable groove (122). A connecting block (32) is fixedly connected to the outside of the round rod (31). A scraper (33) is fixedly connected to one end of each of the four connecting blocks (32) that are close to each other.

2. The stamping die for automotive parts according to claim 1, characterized in that: Both ends of the round rod (31) are movably connected to a sliding sleeve (311), and the upper end of the sliding sleeve (311) is fixedly connected to a second spring (312).

3. The stamping die for automotive parts according to claim 1, characterized in that: The upper end of the die (12) and the interior of the punch (21) are provided with an ejection assembly (4). The ejection assembly (4) includes corrugated airbags (41) fixedly connected to the left and right sides of the upper end of the die (12). A third spring (411) is fixedly connected inside each of the two corrugated airbags (41). A connecting tube (42) is fixedly connected between the two corrugated airbags (41).

4. The stamping die for automotive parts according to claim 3, characterized in that: The ejection assembly (4) also includes a sealing groove (211) opened inside the punch (21), a push rod (43) is movably connected inside the sealing groove (211), a fourth spring (431) is movably connected outside the push rod (43), and a support frame (44) is fixedly connected to the lower end of the push rod (43).

5. The stamping die for automotive parts according to claim 1, characterized in that: The groove (123) extends into the interior of the discharge groove (121), and the lower interior of the die (12) is semi-circular.

6. The stamping die for automotive parts according to claim 2, characterized in that: The elastic force of the second spring (312) is greater than the sum of the weights of the round rod (31), the connecting block (32) and the scraper (33). The connecting block (32) slides against the inside of the groove (123), and the scraper (33) slides against the inner wall of the discharge trough (121).

7. The stamping die for automotive parts according to claim 4, characterized in that: Both connecting pipes (42) extend into the sealing groove (211), and the lower end of the support frame (44) is flush with the lower end of the punch (21).

8. The stamping die for automotive parts according to claim 7, characterized in that: The elastic force of the third spring (411) is greater than the weight of the corrugated airbag (41), and the elastic force of the fourth spring (431) is greater than the sum of the weights of the top rod (43) and the support frame (44).