CN215511907U

CN215511907U - Mould with ejector pin anti-sticking mechanism

Info

Publication number: CN215511907U
Application number: CN202122060558.7U
Authority: CN
Inventors: 周晓冰; 李银浩; 李银栋
Original assignee: Shenzhen Xiehehui Hardware Products Co ltd
Current assignee: Shenzhen Xiehehui Hardware Products Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-14
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a die with an ejector rod anti-blocking mechanism, which comprises a die body, wherein a die groove is formed in the top of the die body, two ejection holes are formed in the inner wall of the bottom of the die groove, a base is arranged below the die body, the base is connected with the die body through two supporting plates, a movable plate is arranged above the base, two first fixing columns are fixedly connected to the top of the movable plate, the top of the movable plate is connected with the bottom of the die body through a hydraulic telescopic cylinder, and an ejector rod is arranged above the first fixing columns. The utility model relates to a die with an ejector rod anti-blocking mechanism, which belongs to the technical field of dies.

Description

Mould with ejector pin anti-sticking mechanism

Technical Field

The utility model relates to the technical field of dies, in particular to a die with an ejector rod anti-blocking mechanism.

Background

The mould is a tool for forming an article, the tool comprises various parts, different moulds comprise different parts, the appearance of the article is processed mainly by changing the physical state of a formed material, and the inside of the mould is possibly abraded in the processing production process of the mould, so that a machined part cannot be ejected smoothly due to the increase of the internal friction resistance of the mould, but the existing ejection mechanism does not have a recognition function, cannot perform alarm processing under the dead condition of clamping, and is damaged due to forced ejection of the machined part.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a die with an ejector rod anti-blocking mechanism, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a die with an ejector rod anti-blocking mechanism comprises a die body, wherein a die groove is formed in the top of the die body, two ejection holes are formed in the inner wall of the bottom of the die groove, a base is arranged below the die body, the base and the die body are connected through two supporting plates, a movable plate is arranged above the base, two first fixed columns are fixedly connected to the top of the movable plate, the top of the movable plate is connected with the bottom of the die body through a hydraulic telescopic cylinder, ejector rods are arranged above the first fixed columns, grooves are formed in the bottoms of the ejector rods, the top ends of the first fixed columns extend into the grooves, the tops of the first fixed columns are connected with the inner wall of the tops of the grooves through compression springs, movable rings are sleeved outside the ejector rods, fixed plates are fixedly connected to the movable rings, and the ejector rods are connected through locking pieces, and a control switch is arranged below the fixed plate, and the control switch is connected with the fixed plate through an elastic piece.

Preferably, the elastic part is including setting up in the switch seat at control switch top, the top fixedly connected with second fixed column of switch seat, the fixed plate is run through on the top of second fixed column, just the top of second fixed column and the limiting plate fixed connection who is located the fixed plate top, the outside cover of second fixed column is equipped with buffer spring.

Preferably, two ends of the buffer spring are respectively and fixedly connected with the fixing plate and the switch base.

Preferably, the locking piece comprises a first threaded ring and a second threaded ring which are sleeved outside the ejector rod, the movable ring is located between the first threaded ring and the second threaded ring, and threads matched with the first threaded ring and the second threaded ring are arranged on the ejector rod.

Preferably, the top end of the ejector rod is positioned in the ejector hole, and the top of the base is provided with a plurality of mounting holes.

Compared with the prior art, the utility model has the following beneficial effects: the movable plate is driven to move upwards by the hydraulic telescopic cylinder, the top of the ejector rod is contacted with a workpiece in the die groove, the movable plate drives the first fixed column to move upwards, the distance between the movable plate and the ejector rod is shortened, the compression spring is in a compression state, when the elastic deformation amount of the compression spring is equal to the weight of the workpiece in the process, the first fixed column, the compression spring and the ejector rod move upwards together, further the workpiece is separated from the die groove, when the inside of the die groove is likely to be worn, the deformation amount of the compression spring is increased in the process of lifting the movable plate when the friction resistance inside the die body is increased, the distance between the movable plate and the ejector rod is further shortened, the movable plate is contacted with the control switch, the hydraulic telescopic cylinder is controlled to stop moving by the control switch, the workpiece is prevented from being forcedly ejected and damaged, and the control switch is elastically buffered by the arranged elastic piece, protection control switch through the locking piece that sets up, can reciprocate the movable ring, and then adjust control switch's position, can control compression spring's deformation volume and be many times, and the fly leaf contacts with control switch, further be convenient for in-service use.

Drawings

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

FIG. 2 is a schematic view of a portion A of FIG. 1;

fig. 3 is a sectional structure diagram of the ejector rod of the utility model.

In the figure: 1. a mold body; 2. a mold slot; 3. an ejection aperture; 4. a top rod; 5. a base; 6. a support plate; 7. a movable plate; 8. a first fixed column; 9. a groove; 10. a compression spring; 11. a fixing plate; 12. a control switch; 13. a switch base; 14. a second fixed column; 15. a limiting plate; 16. a buffer spring; 17. a first threaded ring; 18. a second threaded ring; 19. mounting holes; 20. a hydraulic telescopic cylinder; 21. a movable ring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-3, a mold with a pin anti-seize mechanism comprises a mold body 1, a mold groove 2 is formed at the top of the mold body 1, two ejection holes 3 are formed in the inner wall of the bottom of the mold groove 2, a base 5 is arranged below the mold body 1, the base 5 and the mold body 1 are connected through two support plates 6, a movable plate 7 is arranged above the base 5, two first fixed columns 8 are fixedly connected to the top of the movable plate 7, the top of the movable plate 7 is connected to the bottom of the mold body 1 through a hydraulic telescopic cylinder 20, a pin 4 is arranged above the first fixed column 8, a groove 9 is formed in the bottom of the pin 4, the top end of the first fixed column 8 extends into the groove 9, the top of the first fixed column 8 is connected to the inner wall of the top of the groove 9 through a compression spring 10, a movable ring 21 is sleeved outside the pin 4, a fixed plate 11 is fixedly connected to the movable ring 21, the movable ring 21 is connected with the ejector rod 4 through a locking piece, a control switch 12 is arranged below the fixed plate 11, and the control switch 12 is connected with the fixed plate 11 through an elastic piece; the movable plate 7 is driven to move upwards by the hydraulic telescopic cylinder 20, the top of the ejector rod 4 is contacted with a workpiece in the die groove 2, the movable plate 7 drives the first fixed column 8 to move upwards, the distance between the movable plate 7 and the ejector rod 4 is shortened, the compression spring 10 is in a compressed state, when the elastic deformation amount of the compression spring 10 is equal to the weight of the workpiece in the process, the first fixing column 8, the compression spring 10 and the ejector rod 4 move upwards together, thereby causing the workpiece to be separated from the die groove 2, when the inside of the die groove 2 may be worn, therefore, when the frictional resistance inside the die body 1 is increased, the deformation amount of the compression spring 10 is increased during the ascending of the movable plate 7, the distance between the movable plate 7 and the ejector rod 4 is further shortened, so that the movable plate 7 is in contact with the control switch 12, the control switch 12 controls the hydraulic telescopic cylinder 20 to stop moving, so that the damage caused by forced ejection of the workpiece is avoided.

In this embodiment, the elastic component is including setting up in the switch seat 13 at control switch 12 top, and the top fixedly connected with second fixed column 14 of switch seat 13, and fixed plate 11 is run through on the top of second fixed column 14, and the top of second fixed column 14 and the limiting plate 15 fixed connection who is located fixed plate 11 top, and the outside cover of second fixed column 14 is equipped with buffer spring 16.

In the present embodiment, two ends of the buffer spring 16 are fixedly connected to the fixed plate 11 and the switch base 13, respectively.

In this embodiment, the locking piece is including the first thread ring 17 and the second thread ring 18 of the cover outside of ejector pin 4, activity ring 21 is located between first thread ring 17 and the second thread ring 18, and be equipped with on the ejector pin 4 with first thread ring 17 and second thread ring 18 matched with screw thread, reciprocate through drive activity ring 21, adjust the position of activity ring 21, after the regulation finishes, drive first thread ring 17 and second thread ring 18 and rotate, make first thread ring 17 and second thread ring 18 press from both sides tight activity ring 21, and then make activity ring 21 fixed for ejector pin 4.

In this embodiment, the top end of the top rod 4 is located in the top hole 3, and the top of the base 5 is provided with a plurality of mounting holes 19.

It should be noted that, in the die with the ejector pin anti-seize mechanism, when in use, the movable plate 7 is driven to move upwards by the hydraulic telescopic cylinder 20, the top of the ejector pin 4 is contacted with a workpiece in the die groove 2, the movable plate 7 drives the first fixed column 8 to move upwards, the distance between the movable plate 7 and the ejector pin 4 is shortened, the compression spring 10 is in a compressed state, when the elastic deformation amount of the compression spring 10 is equal to the weight of the workpiece in the process, the first fixed column 8, the compression spring 10 and the ejector pin 4 move upwards together, so that the workpiece is separated from the die groove 2, when the interior of the die groove 2 is possibly abraded, and therefore, when the internal friction resistance of the die body 1 is increased, the deformation amount of the compression spring 10 is increased in the process of the movable plate 7 lifting, the distance between the movable plate 7 and the ejector pin 4 is further shortened, so that the movable plate 7 is contacted with the control switch 12, the hydraulic telescopic cylinder 20 is controlled to stop moving through the control switch 12, the situation that a workpiece is forcedly ejected out and damaged is avoided, elastic buffering is carried out on the control switch 12 through the arranged elastic piece, the control switch 12 is protected, the movable ring 21 can move up and down through the arranged locking piece, the position of the control switch 12 is adjusted, when the deformation quantity of the compression spring 10 is controlled, the movable plate 7 is in contact with the control switch 12, and further convenience is brought to practical use.

The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. It will be evident that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. Accordingly, the embodiments should be considered as exemplary and non-limiting. The above are only preferred embodiments of the present invention, and do not limit the scope of the claims of the present invention.

Claims

1. The utility model provides a mould with dead mechanism of ejector pin anti-sticking which characterized in that: the die comprises a die body (1), wherein a die groove (2) is formed in the top of the die body (1), two ejection holes (3) are formed in the inner wall of the bottom of the die groove (2), a base (5) is arranged below the die body (1), the base (5) is connected with the die body (1) through two supporting plates (6), a movable plate (7) is arranged above the base (5), two first fixing columns (8) are fixedly connected to the top of the movable plate (7), the top of the movable plate (7) is connected with the bottom of the die body (1) through a hydraulic telescopic cylinder (20), ejector rods (4) are arranged above the first fixing columns (8), grooves (9) are formed in the bottoms of the ejector rods (4), the top ends of the first fixing columns (8) extend into the grooves (9), and the top of the first fixing columns (8) are connected with the inner wall of the top of the grooves (9) through compression springs (10), the outside cover of ejector pin (4) is equipped with activity ring (21), fixedly connected with fixed plate (11) on activity ring (21), activity ring (21) and ejector pin (4) are connected through locking the piece, the below of fixed plate (11) is equipped with control switch (12), control switch (12) and fixed plate (11) are connected through the elastic component.

2. The mold with the ejection rod anti-jamming mechanism according to claim 1, characterized in that: the elastic component is including setting up in switch seat (13) at control switch (12) top, the top fixedly connected with second fixed column (14) of switch seat (13), fixed plate (11) are run through on the top of second fixed column (14), just the top of second fixed column (14) and limiting plate (15) fixed connection who is located fixed plate (11) top, the outside cover of second fixed column (14) is equipped with buffer spring (16).

3. The mold with the ejection rod anti-jamming mechanism according to claim 2, characterized in that: and two ends of the buffer spring (16) are respectively and fixedly connected with the fixed plate (11) and the switch seat (13).

4. The mold with the ejection rod anti-jamming mechanism according to claim 1, characterized in that: the locking piece comprises a first threaded ring (17) and a second threaded ring (18) which are sleeved outside the ejector rod (4), the movable ring (21) is located between the first threaded ring (17) and the second threaded ring (18), and threads matched with the first threaded ring (17) and the second threaded ring (18) are arranged on the ejector rod (4).

5. The mold with the ejection rod anti-jamming mechanism according to claim 1, characterized in that: the top end of the ejector rod (4) is positioned in the ejector hole (3), and the top of the base (5) is provided with a plurality of mounting holes (19).