Automobile door stamping die

Abstract

The utility model discloses an automobile door stamping die and relates to the technical field of dies, the automobile door stamping die comprises an upper die and a lower die, the upper die comprises a male die fixing plate and a male die which are arranged below a male die base plate, and the male die sequentially penetrates through a discharging plate and a discharging plate insert and is movably assembled with the discharging plate and the discharging plate insert. A spring ejector pin is arranged in the male die in the axial direction; the lower die comprises a female die, a positioning block arranged on the periphery of the female die and a female die fixing plate surrounding the positioning block and connected to the bottoms of the female die and the positioning block, a blanking hole is formed in the position, corresponding to a female die hole of the female die, of the female die fixing plate, and an air blowing channel communicated with the two sides of the blanking hole is formed in the female die fixing plate. Discharging is achieved through the discharging plate connected with the guiding buffering mechanism, pushing-in of the male die is increased by installing the spring ejector pin in the male die and increasing the length of the male die, air is blown downwards through the air blowing channel to prevent waste from splashing, it is guaranteed that the waste is discharged smoothly, and the production efficiency and the product yield are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to die technical field, concretely is a kind of automobile door stamping die. BACKGROUND

[0002] The waste discharge design of automobile door stamping die punching is the key to ensure production efficiency and quality, and the waste discharge design principle includes ensuring that the waste is discharged smoothly, avoiding blockage, preventing waste splashing, ensuring operation safety, realizing automatic discharge, and reducing manual intervention.

[0003] In actual production, waste backhaul is a common problem when the punching die works, which will affect production efficiency and product quality, and waste backhaul, also known as waste upward movement, refers to the phenomenon that the material retained in the concave die is taken out together with the convex die during the punching process, and then falls on the surface of the concave die. Therefore, in order to prevent waste backhaul, we provide an automobile door stamping die. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an automobile door stamping die, which solves the problem of waste backhaul during blanking of the automobile door stamping die.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an automobile door stamping die, comprising an upper die and a lower die, the upper die comprises a convex die fixing plate and a convex die arranged below the convex die gasket plate, a vertical guide buffer mechanism is arranged between the bottom of the convex die fixing plate and the top of the discharge plate, the bottom of the discharge plate is provided with a convex discharge plate insert, the convex die penetrates the discharge plate and the discharge plate insert in sequence and is movably assembled with the discharge plate and the discharge plate insert, and a spring ejector pin is arranged in the convex die along the axial direction;

[0006] The lower die comprises a concave die, a positioning block arranged on the periphery of the concave die, and a concave die fixing plate surrounding the positioning block and connected to the bottom of the concave die and the positioning block, the convex die corresponds to the position of the concave die hole of the concave die, and the concave die fixing plate is provided with a blanking hole corresponding to the position of the concave die hole of the concave die, a gas blowing channel is arranged in the concave die fixing plate and connected to the two sides of the blanking hole, and the gas blowing channel is connected to the gas inlet pipeline.

[0007] Preferably, the guide buffer mechanism comprises a guide rod and a spring I connected between the convex die fixing plate and the discharge plate, the spring I is sleeved on the guide rod, and the convex die fixing plate and the discharge plate are flexibly connected to the convex die fixing plate through the guide buffer mechanism.

[0008] Preferably, the bottom of the positioning block is connected to the concave die fixing plate through a vertical spring II.

[0009] Preferably, the gas outlet of the gas blowing channel is arranged obliquely downward.

[0010] Preferably, the intake pipeline is respectively provided with an electromagnetic on-off valve and a throttle valve.

[0011] The utility model has the following beneficial effects:

[0012] The utility model discloses a punch die for automobile door, including male die and female die, the male die includes the male die fixed plate 2 of setting below the male die backing plate 1 and male die 3, the length of male die 3 increases, the vertical guide buffer mechanism 5 is established between the bottom of male die fixed plate 2 and the top of unloading plate 4, the guide buffer mechanism 5 includes the guide rod 501 and spring no. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is whole structure schematic diagram for the utility model.

[0014] In the drawing: 1, male die backing plate;2, male die fixed plate;3, male die;4, unloading plate;5, guide buffer mechanism;501, guide rod;502, spring no. 1;6, unloading plate insert;7, spring ejector pin;8, female die;9, positioning block;901, spring no. 2;10, female die fixed plate;1001, blanking hole;1002, air blowing channel;11, intake pipeline;1101, electromagnetic on-off valve;1102, throttle valve. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0016] As Figure 1 The utility model provides a kind of technical scheme: a kind of automobile door punch die, including upper die and lower die, upper die includes the male die fixed plate 2 and male die 3 of being set below the male die backing plate 1, the length of male die 3 increases, vertical guide buffer mechanism 5 is equipped between the bottom of male die fixed plate 2 and the top of unloading plate 4, guide buffer mechanism 5 includes the guide rod 501 and spring no. 502 of being connected between male die fixed plate 2 and unloading plate 4, spring no. 502 is set on guide rod 501, male die fixed plate 2 and unloading plate 4 are flexibly connected on male die fixed plate 2 by guide buffer mechanism 5;

[0017] The bottom of the discharging plate 4 is provided with a protruding discharging plate insert 6, the punch 3 penetrates the discharging plate 4 and the discharging plate insert 6 in sequence and is movably assembled with the discharging plate 4 and the discharging plate insert 6, the punch 3 is provided with a spring ejector pin 7 in the axial direction, after the punching is completed, the spring ejector pin 7 pushes the waste into a deeper position of the die hole of the die 8 along with the punch 3, and the discharging plate 4 connected with the guiding and buffering mechanism 5 is pressed on the material to discharge the waste;

[0018] The lower die comprises the die 8, the positioning block 9 arranged at the periphery of the die 8, the die fixing plate 10 surrounding the positioning block 9 and connected at the bottom of the die 8 and the positioning block 9, the bottom of the positioning block 9 is connected with the die fixing plate 10 through the vertical spring 2 901, the spring 2 901 plays a buffering role, the punch 3 corresponds to the position of the die hole of the die 8, and the die fixing plate 10 is provided with a blanking hole 1001 corresponding to the position of the die hole of the die 8, the die fixing plate 10 is provided with a gas blowing channel 1002 connected on both sides of the blanking hole 1001, the gas blowing channel 1002 is connected with the air inlet pipeline 11, the gas outlet of the gas blowing channel 1002 is arranged obliquely downward to blow gas downward, the air inlet pipeline 11 is respectively provided with an electromagnetic on-off valve 1101 and a throttle valve 1102, the electromagnetic on-off valve 1101 on the air inlet pipeline 11 is used for controlling the blowing time, and the throttle valve 1102 on the air inlet pipeline 11 is used for controlling the blowing size.

[0019] In the punching process, the discharging plate 4 connected with the guiding and buffering mechanism 5 is used for discharging, the spring ejector pin 7 is arranged in the punch 3 and the length of the punch 3 is increased to increase the pushing of the punch 3 into the die hole, the waste is pushed into a deeper position of the die 8 by the spring ejector pin 7, the problem of the punching waste sticking to the die is reduced with a high probability, the gas blowing channel 1002 blows gas downward in the blanking hole 1001 to prevent the waste from splashing, and the waste is discharged smoothly.

[0020] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment.

[0021] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An automobile door stamping die comprising an upper die and a lower die, characterized by: The upper die comprises a punch fixing plate (2) arranged below a punch pad plate (1) and a punch (3), a vertical guiding and buffering mechanism (5) is arranged between the bottom of the punch fixing plate (2) and the top of an ejection plate (4), the bottom of the ejection plate (4) is provided with a protruding ejection plate insert (6), the punch (3) penetrates the ejection plate (4) and the ejection plate insert (6) in sequence and is movably assembled with the ejection plate (4) and the ejection plate insert (6), and a spring ejecting pin (7) is arranged in the punch (3) in an axial direction. The lower die comprises a concave die (8), a positioning block (9) arranged at the periphery of the concave die (8) and a concave die fixing plate (10) surrounding the positioning block (9) and connected at the bottom of the concave die (8) and the positioning block (9), the punch (3) corresponds to the position of a die hole of the concave die (8), the concave die fixing plate (10) is provided with a blanking hole (1001) corresponding to the position of the die hole of the concave die (8), a gas blowing channel (1002) is arranged in the concave die fixing plate (10) and communicates at both sides of the blanking hole (1001), and the gas blowing channel (1002) is connected with an air inlet pipeline (11).

2. The stamping die for an automobile door according to claim 1, characterized by: The guiding and buffering mechanism (5) comprises a guiding rod (501) and a spring I (502) connected between the punch fixing plate (2) and the ejection plate (4), the spring I (502) is sleeved on the guiding rod (501), and the punch fixing plate (2) and the ejection plate (4) are flexibly connected on the punch fixing plate (2) through the guiding and buffering mechanism (5).

3. The stamping die for an automobile door according to claim 1, characterized by: The bottom of the positioning block (9) is connected with the concave die fixing plate (10) through a vertical spring II (901).

4. The stamping die for an automobile door according to claim 1, wherein: The gas outlet of the gas blowing channel (1002) is arranged obliquely downward.

5. The stamping die for an automobile door according to claim 1, characterized by: The air inlet pipeline (11) is respectively provided with an electromagnetic on-off valve (1101) and a throttle valve (1102).

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