CN212352779U

CN212352779U - Automatic easy demoulding device of injection mold

Info

Publication number: CN212352779U
Application number: CN202020906975.1U
Authority: CN
Inventors: 万杰
Original assignee: Huizhou Xinglijia Technology Co ltd
Current assignee: Huizhou Xinglijia Technology Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-01-15
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses an automatic easy shedder of injection mold, including bottom plate and roof, the mould foot that bottom plate upper end fixedly connected with bilateral symmetry set up, mould foot and another mould foot upper end fixedly connected with lower bolster, roof lower extreme fixedly connected with cope match-plate pattern, roof upper end fixedly connected with purt mouth, mould benevolence on the inboard fixedly connected with of cope match-plate pattern lower extreme, the inboard fixedly connected with lower mould benevolence in lower bolster upper end, the sliding tray that symmetry set up around the mould foot inboard is seted up, sliding connection has the sliding block in the sliding tray, the inboard fixedly connected with drawing of patterns push pedal of sliding block, the guiding hole of spacing hole and front and back symmetry has been seted up from inside to outside in proper order to drawing of patterns push pedal left and right sides. This automatic easy shedder of injection mold improves the stationarity that the drawing of patterns push pedal slided from top to bottom, ensures the work precision of shedder, is convenient for adjust the ejecting height upwards of ejector ram, realizes shedder's automatic operation.

Description

Automatic easy demoulding device of injection mold

Technical Field

The utility model relates to a mould equipment technical field specifically is an automatic easy shedder of injection mold.

Background

Injection molding is a method for producing and molding industrial products, which is to make thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die, and the injection molding is realized by an injection molding machine and the die.

Carry out batch production through injection mold and can effectively shorten the time limit for a project, improve the uniformity of product, and reduction in production cost, and mould the complete taking out in the mould die cavity, can't lack the use of shedder, but current shedder is relatively poor in the course of the work stability, and ejecting high fixed, can't adjust according to the needs that use, and the practicality is low, the poor shortcoming of drawing of patterns effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic easy shedder of injection mold to it is relatively poor to provide stability in the course of the work in solving above-mentioned background art, and ejecting high fixed, can't adjust according to the needs that use, and the practicality is low, the poor problem of drawing of patterns effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic easy shedder of injection mold, includes bottom plate and roof, the mould foot that bottom plate upper end fixedly connected with bilateral symmetry set up, mould foot and another mould foot upper end fixedly connected with lower bolster, roof lower extreme fixedly connected with cope match-plate pattern, roof upper end fixedly connected with purt mouth, the inboard fixedly connected with upper die benevolence of cope match-plate pattern lower extreme, the inboard fixedly connected with lower die benevolence in lower bolster upper end, the sliding tray that symmetry set up around the mould foot inboard is seted up, sliding connection has the sliding block in the sliding tray, the inboard fixedly connected with drawing of patterns push pedal of sliding block, the guiding hole of spacing hole and longitudinal symmetry has been seted up from inside to outside in proper order to drawing of patterns push pedal left and.

Preferably, the middle part of the upper end of the demolding push plate is fixedly connected with a material pushing rod, the upper end of the material pushing rod extends into the lower mold core, the upper end of the material pushing rod is flush with the upper end of the bottom of the lower mold core, and the upper mold core and the lower mold core are matched in structure.

Preferably, a threaded rod is inserted in the limiting hole, an adjusting nut is connected to the outer side of the upper end of the threaded rod in a threaded manner, the diameter of the adjusting nut is larger than that of the limiting hole, and the upper end and the lower end of the threaded rod are respectively connected with the lower template and the bottom plate.

Preferably, the guide holes are internally inserted with guide columns, and the upper ends and the lower ends of the guide columns are respectively connected with the lower template and the bottom plate.

Preferably, the lower end of the bottom plate is fixedly connected with a lifting cylinder, and the upper end of the lifting cylinder penetrates through the bottom plate to be attached to the lower end of the demolding push plate.

Preferably, a spring is fixedly connected between the lower template and the demolding push plate and is sleeved on the outer side of the material pushing rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the automatic easy demoulding device of the injection mould improves the stability of the demoulding push plate when the demoulding push plate slides up and down by matching the sliding groove and the sliding block, and the parallelism of the demoulding push plate and the bottom plate is further improved by the additionally arranged guide hole and the guide post, so that the working precision of the demoulding device is ensured;

2. the automatic easy demoulding device of the injection mould is used by matching the threaded rod with the adjusting nut, so that the upward ejection height of the material pushing rod can be conveniently adjusted, injection parts with different structures can be conveniently demoulded, and the practicability is stronger;

3. this automatic easy shedder of injection mold through the design of lift cylinder, realizes shedder's automatic operation, simple structure, convenient operation.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of B in fig. 2 according to the present invention.

In the figure: 1. a base plate; 2. a mould leg; 3. a lower template; 4. a top plate; 5. mounting a template; 6. a squirt nozzle; 7. an upper die core; 8. a lower die core; 9. a sliding groove; 10. a slider; 11. demoulding push plate; 12. a limiting hole; 13. a guide hole; 14. a material pushing rod; 15. a threaded rod; 16. adjusting the nut; 17. a guide post; 18. a lifting cylinder; 19. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an automatic easy demoulding device of an injection mould comprises a bottom plate 1, mould feet 2, a lower template 3, a top plate 4, an upper template 5, a sprue bushing 6, an upper mould kernel 7, a lower mould core 8, a sliding groove 9, a sliding block 10, a demoulding push plate 11, a limiting hole 12, a guide hole 13, a material pushing rod 14, a threaded rod 15, an adjusting nut 16, a guide post 17, a lifting cylinder 18 and a spring 19, wherein the upper end of the bottom plate 1 is fixedly connected with the mould feet 2 which are arranged in bilateral symmetry, the upper ends of the mould feet 2 and the other mould foot 2 are fixedly connected with the lower template 3, the lower end of the top plate 4 is fixedly connected with the upper template 5, the upper end of the top plate 4 is fixedly connected with the sprue bushing 6, the inner side of the lower end of the upper template 5 is fixedly connected with the upper mould core 7, the inner side of the upper end of the lower template 3 is fixedly connected with the lower mould core 8, the inner side, the left side and the right side of the demoulding push plate 11 are sequentially provided with a limiting hole 12 and guide holes 13 which are symmetrical from front to back from inside to outside, the model of the lifting cylinder 18 is ACM32X200, and the installation mode and the circuit connection of the lifting cylinder are not described in detail;

furthermore, a material pushing rod 14 is fixedly connected to the middle of the upper end of the demolding push plate 11, the upper end of the material pushing rod 14 extends into the lower mold core 8, the upper end of the material pushing rod 14 is flush with the upper end of the bottom of the lower mold core 8, the upper mold core 7 is matched with the lower mold core 8 in structure, an injection molding piece with a specified shape is obtained by matching the upper mold core 7 with the lower mold core 8, and a finished product is ejected out of the mold cavity through the design of the material pushing rod 14, so that the demolding of the injection molding piece is facilitated, and the use is more convenient;

furthermore, a threaded rod 15 is inserted into the limiting hole 12, an adjusting nut 16 is in threaded connection with the outer side of the upper end of the threaded rod 15, the diameter of the adjusting nut 16 is larger than that of the limiting hole 12, the upper end and the lower end of the threaded rod 15 are respectively connected with the lower template 3 and the bottom plate 1, the stability of the threaded rod 15 is guaranteed, the ejection height of the demolding device is adjusted through the matching use of the threaded rod 15 and the adjusting nut 16, and the practicability is higher;

furthermore, a guide post 17 is inserted in the guide hole 13, and the upper end and the lower end of the guide post 17 are respectively connected with the lower template 3 and the bottom plate 1, so that the firmness of the position of the guide post 17 is enhanced, and the stability of the demoulding push plate 11 during up-and-down sliding is improved;

furthermore, the lower end of the bottom plate 1 is fixedly connected with a lifting cylinder 18, the lifting end at the upper end of the lifting cylinder 18 penetrates through the bottom plate 1 to be attached to the lower end of the demoulding push plate 11, automatic demoulding is realized through lifting of the lifting cylinder 18, the working precision is higher, and the operation is simple and convenient;

further, fixedly connected with spring 19 between lower bolster 3 and drawing of patterns push pedal 11, spring 19 cup joints in the outside of ejector pin 14, through spring 19's design, realizes the reset of drawing of patterns push pedal 11 and ejector pin 14, ensures the normal use of mould.

The working principle is as follows: firstly fixing a bottom plate 1 and a top plate 4 respectively, pushing the top plate 4 downwards to enable a lower template 3 and an upper template 5 to be matched, rotating an adjusting nut 16 on the outer side of a threaded rod 15 to enable the adjusting nut 16 to stop at a proper height, then injecting molten plastic into a cavity formed by an upper die core 7 and a lower die core 8 through a squirt nozzle 6, obtaining injection molding parts with corresponding shapes after cooling, then separating the lower template 3 and the upper template 5, starting a lifting cylinder 18 to extend upwards, pushing a demolding push plate 11 upwards through the lifting cylinder 18, enabling sliding blocks 10 at two ends of the demolding push plate 11 to slide upwards in a sliding groove 9, enabling the demolding push plate 11 to move upwards on the outer sides of the threaded rod 15 and a guide column 17, compressing a spring 19 until the upper end of the demolding push plate 11 is attached to the lower end of the adjusting nut 16, enabling a material pushing rod 14 to move upwards to realize demolding operation of products in the lower die core 8, and then enabling the lifting cylinder 18, under the action of the resilience of the spring 19, the stripper push plate 11 and the ejector pin 14 are ensured to return to the original position so as to facilitate the next injection molding operation.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides an automatic easy shedder of injection mold, includes bottom plate and roof, its characterized in that: the utility model discloses a drawing die, including bottom plate, roof, inboard fixedly connected with upper die core, inboard fixedly connected with lower bolster, roof lower extreme fixedly connected with cope match-plate pattern, roof upper end fixedly connected with purt mouth, the inboard fixedly connected with upper die core of cope match-plate pattern lower extreme, the inboard fixedly connected with lower die core of lower bolster upper end, the sliding tray that the symmetry set up around the mould foot inboard is seted up, sliding connection has the sliding block in the sliding tray, the inboard fixedly connected with drawing die push pedal of sliding block, spacing hole and the guiding hole of symmetry around have been seted up from inside to outside in proper order to the drawing die push pedal left and right sides.

2. The automatic easy demoulding device of the injection mould as claimed in claim 1, wherein: the demolding push plate is characterized in that a material pushing rod is fixedly connected to the middle of the upper end of the demolding push plate, the upper end of the material pushing rod extends into the lower mold core, the upper end of the material pushing rod is flush with the upper end of the bottom of the lower mold core, and the upper mold core and the lower mold core are matched in structure.

3. The automatic easy demoulding device of the injection mould as claimed in claim 1, wherein: the threaded rod is inserted in the limiting hole, the outer side of the upper end of the threaded rod is in threaded connection with an adjusting nut, the diameter of the adjusting nut is larger than that of the limiting hole, and the upper end and the lower end of the threaded rod are connected with the lower template and the bottom plate respectively.

4. The automatic easy demoulding device of the injection mould as claimed in claim 1, wherein: and guide columns are inserted into the guide holes, and the upper ends and the lower ends of the guide columns are respectively connected with the lower template and the bottom plate.

5. The automatic easy demoulding device of the injection mould as claimed in claim 1, wherein: the lower end of the bottom plate is fixedly connected with a lifting cylinder, and the upper end of the lifting cylinder penetrates through the bottom plate to be attached to the lower end of the demolding push plate.

6. The automatic easy demoulding device of the injection mould as claimed in claim 2, wherein: and a spring is fixedly connected between the lower template and the demoulding push plate and is sleeved on the outer side of the material pushing rod.