CN215095329U

CN215095329U - Core pulling device

Info

Publication number: CN215095329U
Application number: CN202023034440.9U
Authority: CN
Inventors: 罗军华; 宫磊; 王玉宝
Original assignee: Henan Yuzhan Precision Technology Co Ltd
Current assignee: Fulian Yuzhan Technology Henan Co Ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-12-10
Anticipated expiration: 2030-12-16

Abstract

A core pulling device comprising: the sliding seat is arranged on the lower die in a sliding mode, one end of the sliding seat is provided with a through groove which is arranged in an inclined mode, and the other end of the sliding seat is provided with a sliding groove which is arranged in an inclined mode; the pressing plate is fixed on the lower die and pressed on the sliding seat to limit the sliding seat; the core-pulling insert seat is used for installing a core-pulling insert, and the core-pulling insert seat is obliquely and slidably arranged in a sliding groove of the sliding seat; the pull rod is fixedly arranged on the upper die and comprises an inclined part corresponding to the through groove, the inclined part is movably arranged in the through groove of the sliding seat, so that the sliding seat is driven by the inclined part to slide in the lower die under the driving of the upper die when the die is opened, and the core-pulling insert seat moves along the axis direction of the core-pulling insert seat to pull out the core-pulling insert from an injection product. The core-pulling device drives the core-pulling insert sub-base to slide in the sliding groove along the axis direction of the core-pulling insert sub-base, the sliding angle of the core-pulling insert sub-base and the sliding base is the same as the sliding angle of the core-pulling insert sub-base, the core-pulling insert sub-base is not easy to block, and the core-pulling action is guaranteed to be stably carried out.

Description

Core pulling device

Technical Field

The application relates to the field of mold forming, in particular to a core pulling device.

Background

After a product is molded by a mold, the core-pulling insert in the mold needs to be pulled out, a common composite angle core-pulling insert adopts a male mold springboard core-pulling structure, a power source of the core-pulling insert is derived from a spring and an external steel opening and closing device, the structural stability is poor, the core-pulling rod is too long and moves in a bidirectional angle with the motion direction of the core-pulling insert seat, and the core-pulling insert is easy to block in the motion process.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a core pulling device, which has stable core pulling action.

An embodiment of the present application provides a device of loosing core, includes: the sliding seat is arranged on the lower die in a sliding mode, one end of the sliding seat is provided with a through groove which is arranged in an inclined mode, and the other end of the sliding seat is provided with a sliding groove which is arranged in an inclined mode; the pressing plate is fixed on the lower die and pressed on the sliding seat so as to limit the sliding seat; the core-pulling insert seat is used for installing a core-pulling insert, and the core-pulling insert seat is obliquely and slidably arranged in a sliding groove of the sliding seat; the pull rod is fixedly arranged on the upper die and comprises an inclined part corresponding to the through groove, the inclined part is movably arranged in the through groove of the sliding seat so as to drive the sliding seat to slide in the lower die through the inclined part under the driving of the upper die during die opening, so that the core-pulling insert seat moves along the axis direction of the core-pulling insert seat, and the core-pulling insert seat is pulled out from an injection product.

Further, in some embodiments of the present application, the sliding seat includes a main body and a slope body, the main body is provided with the through groove, and the slope body is provided with the sliding groove.

Further, in some embodiments of the present application, the sliding groove extends to the main body and forms a communication with the through groove, and the through groove and the sliding groove are provided in a manner that the communication is inclined downward in a direction away from the respective direction.

Further, in some embodiments of the present application, a guide groove corresponding to the core-pulling insert seat and the core-pulling insert is further provided in the lower mold, so that the core-pulling insert seat and the core-pulling insert move along their own axial directions.

Further, in some embodiments of the present application, the pressing plate is further provided with a limiting portion at an end of the sliding seat in the sliding direction, so as to limit a moving distance of the sliding seat.

Further, in some embodiments of the present application, a through hole is provided on the pressing plate, and the pull rod passes through the through hole and slides in the through groove of the sliding seat.

Further, in some embodiments of the present application, the inclined portion is the same size as the through slot, and an inclination angle of the inclined portion and an inclination angle of the through slot are also the same.

Further, in some embodiments of the present application, the core-pulling insert seat includes a body and a clamping member, and the clamping member is detachably disposed in the body and used for clamping the core-pulling insert on the body.

Further, in some embodiments of the present application, one end of the body connected to the sliding groove is provided with a protrusion extending outward, the sliding groove is a T-shaped groove, and the protrusion is clamped in the T-shaped groove.

Further, in some embodiments of this application, the body is equipped with the mounting groove along its length direction, the body is equipped with the intercommunication along its length direction of perpendicular to the groove is held to the card of mounting groove, it is provided with the recess to loose core income son lateral part, the mounting groove is used for the installation loose core income son, the card is held the piece and is inserted hold in order to loose core income son card in groove and recess on the body.

Above-mentioned device of loosing core locates the lower mould with the sliding seat on, locates the mould with the pull rod on, drive power through the die sinking drives the pull rod and removes, and the slope of pull rod and the logical groove cooperation that the slope of sliding seat set up drive the sliding seat and remove in the lower mould, and then drive and loose core and go into the sub-seat and slide in the spout along its self axis direction, and the slip angle of loosing core income sub-seat and sliding seat is the syntropy angle, and difficult card is dead, guarantees to loose core the action and stably goes on.

Drawings

Fig. 1 illustrates a schematic structural diagram of a lower die in an embodiment.

Fig. 2 illustrates a schematic structural diagram of a lower die and a core pulling device in an embodiment.

Fig. 3 illustrates a schematic structural diagram of the core pulling device in an embodiment.

Fig. 4 is an exploded schematic view of a core pulling device in an embodiment.

Fig. 5 illustrates a schematic structural diagram of the core back insert sub-base in an embodiment.

Description of the main elements

Core pulling device 100

Sliding seat 10

Main body 11

Through groove 111

Slope body 12

Chute 121

Stopper 1211

Core-pulling insert seat 20

Body 21

Projection 211

Mounting groove 212

Catching groove 213

Retaining member 22

Pull rod 30

Inclined part 31

Connecting part 32

Pressure plate 40

Through hole 41

Stopper 42

Lower die 200

Recess 200a

Guide groove 200b

Molding cavity 200c

Core-pulling insert 300

Groove 300a

The following specific examples will further illustrate the application in conjunction with the above figures.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1, the mold includes an upper mold (not shown) and a lower mold 200, the lower mold 200 is provided with a recessed area 200a and a guide groove 200b, one end of the guide groove 200b is communicated with the recessed area 200a, and the other end extends to a molding cavity 200c of the lower mold 200.

Referring to fig. 2 and 3, the core back device 100 is shown for extracting the core back insert 300 from the molding cavity 200c of the mold, and the core back device 100 includes a sliding seat 10, a core back insert seat 20, a pull rod 30 and a pressure plate 40. Slide holder 10 slides and locates in the depressed area 200a of lower mould 200, and the son seat 20 sliding connection slide holder 10 of going into of loosing core slides and locates in the guide way 200b, and the son is gone into to loose core 20 installs and looses core and goes into the son, looses core and goes into son one end connection and loose core and go into son 20, and the other end extends to in the shaping chamber 200c of lower mould 200, and pull rod 30 locates in slide holder 10 and fixed the setting on last mould, and clamp plate 40 is fixed in the depressed area 200a and presses and hold on slide holder 10 to carry on spacingly to slide holder 10. When the upper die and the lower die 200 are opened, the upper die drives the pull rod 30 to move, and the pull rod 30 drives the sliding seat 10 to slide in the recessed area 200a, so that the core-pulling insert sub-seat 20 slides in the guide groove 200b in the direction away from the forming cavity 200c along the axis direction of the core-pulling insert sub-seat, and the core-pulling insert 300 on the core-pulling insert sub-seat 20 is pulled out of the injection product in the forming cavity 200 c.

Referring to fig. 3 and 4, the sliding seat 10 includes a main body 11 and a slope body 12 connected to each other. The main body 11 is provided with a through groove 111 which is obliquely arranged and used for installing the pull rod 30, a sliding groove 121 is arranged in the slope body 12, and a core-pulling sub-base 20 is arranged in the sliding groove 121. The sliding groove 121 extends to the main body 11 and is communicated with the through groove 111, a limiting member 1211 is disposed at one end of the sliding groove 121 away from the through groove 111, a length direction of the limiting member 1211 is substantially perpendicular to an extending direction of the sliding groove 121, and the limiting member 1211 is used for limiting a position of the core back sub-holder 20 in the sliding groove 121 and preventing the core back sub-holder 20 from falling off from the sliding groove 121. The sliding groove 121 and the through groove 111 are provided with a communication part, and the through groove 111 and the sliding groove 121 are arranged at the communication part and extend downwards along the direction far away from the communication part. In one embodiment, the cross section of the sliding groove 121 is a T-shaped groove.

Referring to fig. 4 and 5, the core back insert seat 20 includes a main body 21 and a retaining member 22, the main body 21 is slidably disposed in the sliding groove 121, and the retaining member 22 is detachably disposed in the main body 21 and is used for retaining the core back insert 300 in the main body 21.

One end of the body 21 connected with the sliding chute 121 is provided with a protrusion 211 extending outwards, and the extending direction of the protrusion 211 is perpendicular to the length direction of the body 21. The protrusion 211 is disposed in the T-shaped slot and slidably disposed therein. The end of the body 21 far away from the protrusion 211 is provided with a mounting groove 212, the mounting groove 212 is arranged along the length direction of the body 21, the end of the body 21 near the protrusion 211 is further provided with a clamping groove 213, the extending direction of the clamping groove 213 is perpendicular to the length direction of the body 21 and the clamping groove 213 is communicated with the mounting groove 212, and the clamping member 22 is arranged in the clamping groove 213.

The side surface of the core back inserter 300 is provided with a groove 300a, when the core back inserter 300 is arranged in the mounting groove 212, the groove 300a is positioned in the holding groove 213, and the holding member 22 is inserted into the holding groove 213 and the groove 300a to hold the core back inserter on the body 21, so as to limit the position of the core back inserter 300.

Referring to fig. 3 and 4, the pull rod 30 includes an inclined portion 31 and a connecting portion 32, the inclined portion 31 is disposed in the through groove 111, and the connecting portion 32 passes through the pressing plate 40 and is connected to the upper mold. The inclined portion 31 is the same size as the through groove 111 and the inclination angle of the inclined portion 31 and the inclination angle of the through groove 111 are also the same to accommodate the inclined portion 31 in the through groove 111. When the upper mold drives the inclined portion 31 to move away from the through groove 111, the inclined portion 31 is matched with the through groove 111 arranged obliquely, and the sliding seat 10 is driven to move in the recessed area 200a of the lower mold 200 along the direction away from the molding cavity 200 c.

Referring to fig. 3 and 4, the pressing plate 40 is provided with a through hole 41, and the through hole 41 is used for avoiding the inclined portion 31 and the connecting portion 32 of the tie bar 30. The pressing plate 40 is pressed on the sliding seat 10 and fixed in the recessed area 200a of the lower mold 200, and is used for limiting the sliding seat 10 in the recessed area 200a, so as to prevent the sliding seat 10 from moving in the vertical direction when sliding in the recessed area 200a of the sliding seat 10, which causes the sliding angle of the sliding seat 10 and the sliding angle of the core pulling sub-seat 20 to be inconsistent, and thus the core pulling process is blocked.

In an embodiment, the end of the pressing plate 40 is further provided with a limiting portion 42, and the limiting portion 42 is located in the sliding direction of the sliding seat 10 and is used for limiting the sliding distance of the sliding seat 10 and preventing the sliding seat 10 from being separated from the recessed area 200 a.

The core pulling process of the core pulling device 100 is as follows: when the upper die and the lower die are opened, the upper die drives the pull rod 30 connected with the upper die to move in the vertical direction, the inclined part 31 of the pull rod 30 is matched with the through groove 111 which is obliquely arranged, the sliding seat 10 is driven to move in the depressed area 200a in the horizontal direction, and the core-pulling insert seat 20 slides in the sliding groove 121 in the axis direction of the core-pulling insert seat so as to drive the core-pulling insert to be pulled out from an injection product in the forming cavity 200 c.

Above-mentioned device of loosing core 100 locates slide holder 10 on lower mould 200, locate on the mould with pull rod 30, drive power through the die sinking drives pull rod 30 and removes, slope 31 of pull rod 30 cooperates with logical groove 111 that the slope of slide holder 10 set up, it removes along the direction of keeping away from shaping chamber 200c to drive slide holder 10 in the depressed area 200a of lower mould 200, make and loose core income sub-seat 20 slide in spout 121 along its self axis direction, it is the syntropy angle with the slip angle of slide holder 10 to loose core income sub-seat 20, difficult card dies, guarantee to loose core the action and go on steadily, above-mentioned device of loosing core 100's simple structure, the dismouting of being convenient for is repaiied the mould.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present application and are not to be taken as limiting the present application, and that suitable changes and modifications to the above embodiments are within the scope of the present disclosure as long as they are within the spirit and scope of the present application.

Claims

1. A core pulling device, comprising:

the sliding seat is arranged on the lower die in a sliding manner, one end of the sliding seat is provided with an obliquely arranged through groove, and the other end of the sliding seat is provided with an obliquely arranged sliding groove;

the pressing plate is fixed on the lower die and pressed on the sliding seat so as to limit the sliding seat;

the core-pulling insert seat is used for installing a core-pulling insert, and the core-pulling insert seat is obliquely and slidably arranged in the sliding groove of the sliding seat;

the pull rod is fixedly arranged on the upper die and comprises an inclined part corresponding to the through groove, the inclined part is movably arranged in the through groove of the sliding seat so as to pass through the inclined part under the driving of the upper die when the die is opened, the sliding seat slides in the lower die, and the core-pulling insert seat moves along the axis direction of the core-pulling insert seat so as to pull out the core-pulling insert from an injection product.

2. The core pulling device according to claim 1, wherein the sliding seat comprises a main body and a slope body, the main body is provided with the through groove, and the slope body is provided with the sliding groove.

3. The core pulling device according to claim 2, wherein the sliding groove extends to the main body and forms a communication with the through groove, and the through groove and the sliding groove are arranged in a manner that the communication is inclined downwards in a direction away from the communication.

4. The core pulling device according to claim 1, wherein the lower mold is further provided with guide grooves corresponding to the core pulling insert seat and the core pulling insert, so that the core pulling insert seat and the core pulling insert move along the axis direction of the core pulling insert seat and the core pulling insert.

5. The core pulling device according to claim 1, wherein the pressure plate is further provided with a limiting part at the end of the sliding seat in the sliding direction for limiting the moving distance of the sliding seat.

6. The core pulling device according to claim 1, wherein the pressure plate is provided with a through hole, and the pull rod penetrates through the through hole and slides in the through groove of the sliding seat.

7. The core pulling device according to claim 1, wherein the inclined portion and the through groove are the same in size, and an inclination angle of the inclined portion and an inclination angle of the through groove are also the same.

8. The core pulling device according to claim 2, wherein the core back feeder holder includes a body and a retaining member detachably provided in the body for retaining the core back feeder to the body.

9. The core pulling device as claimed in claim 8, wherein an outwardly extending protrusion is disposed at one end of the body connected to the sliding groove, the sliding groove is a T-shaped groove, and the protrusion is clamped in the T-shaped groove.

10. The core pulling device according to claim 8, wherein the body is provided with a mounting groove along a length direction thereof, the body is provided with a clamping groove which is communicated with the mounting groove along a direction perpendicular to the length direction thereof, a groove is formed on a side portion of the core pulling insert, the mounting groove is used for mounting the core pulling insert, and the clamping piece is inserted into the clamping groove and the groove to clamp the core pulling insert on the body.