CN216911797U

CN216911797U - Ejection mechanism of automobile drawing die

Info

Publication number: CN216911797U
Application number: CN202220435968.7U
Authority: CN
Inventors: 谢同轮; 陆萍
Original assignee: Jilin Weichuang Electromechanical Engineering Co ltd
Current assignee: Jilin Weichuang Electromechanical Engineering Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-07-08
Anticipated expiration: 2032-03-01

Abstract

The utility model discloses an ejection mechanism of an automobile drawing die, which comprises an upper die, a blank holder and a lower die, wherein two ejection assemblies are movably embedded at two sides of the upper die, the bottom ends of the ejection assemblies are connected with the blank holder, and the corners of the bottom end of the blank holder are connected with elastic support assemblies; the ejection assembly comprises a connecting longitudinal plate, a connecting transverse plate, an ejection head and a mounting plate, the bottom end of the mounting plate is fixedly connected with the top end of the blank holder, and the mounting plate is fixedly mounted with the bottom of the connecting longitudinal plate. According to the utility model, the setting mode that the blank holder and the ejection assembly are matched is utilized, and the ejection head moves downwards relative to the upper die along with the upward movement of the upper die, so that the ejection head penetrates into the cavity of the upper die to eject a product clamped in the cavity of the upper die, and thus, the product can be automatically ejected in the upward movement process of the upper die, manual assistance is not needed for stripping, and the product is more convenient to manufacture.

Description

Ejection mechanism of automobile drawing die

Technical Field

The utility model relates to the field of ejection mechanisms, in particular to an ejection mechanism of an automobile drawing die.

Background

For the improvement of the production efficiency of the existing automobiles, the production efficiency of automobile covering parts needs to be improved so as to adapt to the design period of automobile types. The manual line production mould covering can waste a lot of time at the in-process such as putting location, the transmission of fore-and-aft order of plate, consequently adopts the main flow trend that the automatic line production will be the production of back automobile covering, and the mould design is also with the current, adapts to the development.

The drawing die plays a great role in an automatic production line of automobile panels and generally comprises an upper die, a blank holder and a lower die from top to bottom, wherein the upper die is generally concave, the lower die is generally convex, the blank holder is a ring-shaped member, the middle part of the blank holder is hollow, the blank holder is connected with the lower die through an elastic buffer part, when the drawing die works, a plate is placed on the blank holder, the upper die moves downwards firstly until the upper die is matched with the blank holder to compress the plate, then the blank holder and the upper die move downwards together, therefore, the plate is drawn and formed between the upper die and the lower die gradually, and the formed plate needs to be taken out of the die after being rolled and formed.

In the prior art, the upper die is pressed down, and the blank holder can be bounced upwards after a workpiece is formed, so that a product can not be clamped outside the lower die generally, but after the product is formed, the upper die is moved upwards, the product is easy to be clamped in a cavity of the upper die and cannot be bounced along with the upward movement of the upper die, the auxiliary stripping of workers is needed, and the use is not convenient enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an ejection mechanism of an automobile drawing die, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the ejection mechanism of the automobile drawing die comprises an upper die, a blank holder and a lower die, wherein the blank holder is positioned right below the upper die, the lower die is arranged in the blank holder in a sliding manner, two ejection assemblies are movably embedded in two sides of the upper die, the bottom ends of the ejection assemblies are connected with the blank holder, and the corners of the bottom end of the blank holder are connected with elastic supporting assemblies;

the ejection assembly comprises a connecting longitudinal plate, a connecting transverse plate, an ejection head and a mounting plate, the connecting transverse plate is fixedly connected to the top of the connecting longitudinal plate, the ejection head is fixedly connected to the bottom end of the connecting transverse plate, the bottom end of the mounting plate is fixedly connected with the top end of the blank holder, and the mounting plate is fixedly mounted at the bottom of the connecting longitudinal plate.

Preferably, two movable grooves are formed in two sides of the upper die, the ejection assembly is arranged inside the movable grooves, and the ejection head is connected with the upper die in a sliding and penetrating mode.

Preferably, the mounting panel is gone up to slide to alternate and is connected with the bolt, the thread groove has been seted up to the bottom of connecting the vertical plate, the bolt alternates with the inner chamber screw thread of thread groove and is connected.

Preferably, the top end of the upper die is fixedly connected with an upper die plate.

Preferably, the bottom end of the lower die is fixedly connected with a support frame, the bottom end of the support frame is fixedly connected with a lower template, and the support frame is connected with the bottom of the blank holder in a sliding and penetrating manner.

Preferably, a groove is formed in the blank holder, and the lower die is arranged in the groove.

Preferably, the elastic support component comprises a limiting rod and a spring, the spring is movably sleeved outside the limiting rod, the bottom end of the limiting rod is fixedly connected with the lower template, and the top of the limiting rod is connected with the blank holder in a sliding and penetrating manner.

The utility model has the technical effects and advantages that:

(1) according to the utility model, the arrangement mode that the blank holder is matched with the ejection assembly is utilized, and the ejection head moves downwards relative to the upper die along with the upward movement of the upper die, so that the ejection head penetrates into the cavity of the upper die to eject a product clamped in the cavity of the upper die, and therefore, the product can be automatically ejected in the upward movement process of the upper die without manual assistance, and the product is more convenient to manufacture;

(2) according to the utility model, by utilizing the arrangement mode that the mounting plate is matched with the bolt, the chute is formed in the mounting plate, the bolt is in sliding and penetrating connection with the inner cavity of the chute, and the chute is convenient for providing a moving space for the movement of the bolt, so that the connecting longitudinal plate can drive the bolt to slide in the inner cavity of the chute, and thus the upper limit of the movement of the upper die relative to the blank holder is increased through the arrangement of the chute, the gap between the upper die and the blank holder is increased, and the product can be taken out from the space between the upper die and the blank holder.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic diagram of the front internal structure of the present invention.

Fig. 3 is a schematic structural view of the ejection assembly of the present invention.

In the figure: 1. an upper die; 11. mounting a template; 2. a blank holder; 21. a lower template; 3. a lower die; 4. ejecting the assembly; 41. connecting the longitudinal plates; 42. connecting the transverse plates; 43. ejecting the head; 44. mounting a plate; 5. an elastic support member; 51. a limiting rod; 52. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides an ejection mechanism of an automobile drawing die as shown in figures 1-3, which comprises an upper die 1, a blank holder 2 and a lower die 3, wherein the blank holder 2 is positioned under the upper die 1, the lower die 3 is arranged in the blank holder 2 in a sliding manner, two ejection assemblies 4 are movably embedded at two sides of the upper die 1, the bottom ends of the ejection assemblies 4 are connected with the blank holder 2, the corners of the bottom end of the blank holder 2 are connected with elastic support assemblies 5, sheet-shaped products are conveniently loaded and pressed through the blank holder 2, and the lower die 3 is matched with the upper die 1, so that the upper die 1 and the lower die 3 can relatively move, the products can be conveniently pressed, and the products can be formed in a cavity in the upper die 1.

The ejection assembly 4 comprises a connecting longitudinal plate 41, a connecting transverse plate 42, an ejection head 43 and a mounting plate 44, the connecting transverse plate 42 is fixedly connected to the top of the connecting longitudinal plate 41, the ejection head 43 is fixedly connected to the bottom of the connecting transverse plate 42, the bottom of the mounting plate 44 is fixedly connected with the top of the blank holder 2, the mounting plate 44 is fixedly mounted with the bottom of the connecting longitudinal plate 41, two movable grooves are respectively formed in two sides of the upper die 1, the ejection assembly 4 is arranged in the movable grooves, so that the ejection assembly 4 can be conveniently mounted, the ejection head 43 is slidably and alternately connected with the upper die 1, a bolt is slidably and alternately connected on the mounting plate 44, a threaded groove is formed in the bottom of the connecting longitudinal plate 41, the bolt is in threaded and alternately connected with an inner cavity of the threaded groove, a sliding groove is formed on the mounting plate 44, the bolt is in slidable and alternately connected with the inner cavity of the sliding groove, a space is conveniently moved by the sliding groove, so that the connecting longitudinal plate 41 can drive the bolt to slide in the inner cavity of the sliding groove, thereby through the setting of spout for the relative blank holder 2's of upper mould 1 removal upper limit can increase, makes the clearance increase between upper mould 1 and the blank holder 2, so that take out the product from between upper mould 1 and the blank holder 2, through the bottom of inserting into the bolt and connecting vertical plate 41, thereby be convenient for to the installation of connecting vertical plate 41.

Go up mould 1's top fixedly connected with cope match-plate pattern 11, lower mould 3's bottom fixedly connected with support frame, the bottom fixedly connected with lower bolster 21 of support frame, the support frame is connected with the bottom slip interlude of blank holder 2, the recess has been seted up to blank holder 2's inside, lower mould 3 sets up in the inside of recess, be convenient for support the position of lower mould 3 through the support frame, make the product stereotype in can getting into mould 1's the inner chamber, be convenient for to be connected with external elevating system through cope match-plate pattern 11.

Elastic support component 5 includes gag lever post 51 and spring 52, and gag lever post 51's outside is located to spring 52 movable sleeve, gag lever post 51's bottom and lower bolster 21 fixed connection, and gag lever post 51's top and blank holder 2 slide and alternate and be connected, and spring 52 is in compression state, is convenient for provide the holding power to blank holder 2 for blank holder 2 is pushed down the back, can upwards bounce, replies to its primary position, so that the shaping of next product.

The working principle of the utility model is as follows:

in use, an external lifting mechanism drives the upper die 1 to move downwards, then the upper die 1 moves towards the blank holder 2, under the connection between the connecting longitudinal plate 41 and the connecting transverse plate 42, the ejection head 43 retracts into the inner cavity of the movable groove, then the upper die 1 presses the blank holder 2 along with the downward movement of the upper die 1, so that the lower die 3 ejects a product, and then the product is matched with the cavity of the upper die 1 for shaping, so that the product can be pressed and molded, then the upper die 1 moves upwards, so that the position of the connecting longitudinal plate 41 is limited after a bolt slides to the top of the inner cavity of the sliding groove, so that the position of the connecting transverse plate 42 relative to the blank holder 2 is unchanged at the moment, and along with the upward movement of the upper die 1, at the moment, the ejection head 43 moves downwards relative to the upper die 1, so that the ejection head 43 is inserted into the cavity of the upper die 1, ejecting the product clamped in the cavity of the upper die 1, thereby realizing the automatic ejection of the product in the upward moving process of the upper die 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The ejection mechanism of the automobile drawing die comprises an upper die (1), a blank holder (2) and a lower die (3), wherein the blank holder (2) is positioned under the upper die (1), and the lower die (3) is arranged in the blank holder (2) in a sliding manner, and is characterized in that two ejection assemblies (4) are movably embedded in two sides of the upper die (1), the bottom ends of the ejection assemblies (4) are connected with the blank holder (2), and the corners of the bottom end of the blank holder (2) are connected with elastic supporting assemblies (5);

the ejection assembly (4) comprises a connecting longitudinal plate (41), a connecting transverse plate (42), an ejection head (43) and a mounting plate (44), the connecting transverse plate (42) is fixedly connected to the top of the connecting longitudinal plate (41), the ejection head (43) is fixedly connected to the bottom end of the connecting transverse plate (42), the bottom end of the mounting plate (44) is fixedly connected with the top end of the blank holder (2), and the mounting plate (44) is fixedly mounted to the bottom of the connecting longitudinal plate (41).

2. The ejection mechanism of the automobile drawing die as claimed in claim 1, wherein two movable grooves are formed in both sides of the upper die (1), the ejection assembly (4) is arranged in the movable grooves, and the ejection head (43) is slidably inserted and connected with the upper die (1).

3. The ejection mechanism of the automobile drawing die as claimed in claim 1, wherein a bolt is slidably inserted and connected to the mounting plate (44), a threaded groove is formed in the bottom of the connecting longitudinal plate (41), and the bolt is threadedly inserted and connected with an inner cavity of the threaded groove.

4. The ejection mechanism of the automobile drawing die as claimed in claim 1, characterized in that an upper die plate (11) is fixedly connected to the top end of the upper die (1).

5. The ejection mechanism of the automobile drawing die as claimed in claim 1, wherein a supporting frame is fixedly connected to the bottom end of the lower die (3), a lower template (21) is fixedly connected to the bottom end of the supporting frame, and the supporting frame is slidably inserted and connected with the bottom of the blank holder (2).

6. The ejection mechanism of the automobile drawing die as claimed in claim 1, wherein the blank holder (2) is provided with a groove inside, and the lower die (3) is arranged inside the groove.

7. The ejection mechanism of the automobile drawing die as claimed in claim 1, wherein the elastic support component (5) comprises a limiting rod (51) and a spring (52), the spring (52) is movably sleeved outside the limiting rod (51), the bottom end of the limiting rod (51) is fixedly connected with the lower die plate (21), and the top of the limiting rod (51) is slidably inserted into the blank holder (2).