CN214562599U

CN214562599U - Go up runner plastic envelope structure

Info

Publication number: CN214562599U
Application number: CN202120555348.2U
Authority: CN
Inventors: 罗文骏
Original assignee: Suzhou Jusheng Precision Mould Co ltd
Current assignee: Suzhou Jusheng Precision Mould Co ltd
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-11-02
Anticipated expiration: 2031-03-18

Abstract

The utility model discloses an upper runner plastic package structure, which comprises a movable template, wherein the lower end of the movable template is sequentially connected with a fixed template and a base, the movable template and the fixed template are respectively internally provided with a fixed mold core and a movable mold core which are mutually buckled to form a mold cavity, the upper end of the movable template is provided with an upper runner which is communicated with the mold cavity, the upper end of the movable template is provided with a first chute, the first chute is positioned at one end of the upper runner, the lower end of the first chute is provided with a second chute, a connecting hole is arranged between the first chute and the second chute, the inside of the second chute is provided with a slide block, the inside of the first chute is provided with a push block, the inside of the connecting hole is provided with a connecting rod, a spring is fixed between the connecting rod and the push block and between the end of the slide block far away from the upper runner and the second chute, a plastic sealing plate is fixed at the other end of the flow channel and extends to the inside of the upper flow channel in a sliding manner and is tightly attached to the side wall of the upper flow channel; the upper end of the glue injection piece is smooth, the glue injection piece does not need to be polished, the production steps are saved, and the production speed and the yield of the glue injection piece are improved.

Description

Go up runner plastic envelope structure

Technical Field

The utility model relates to an injection mold field especially relates to an go up runner plastic envelope structure.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. Generally, a glue injection runner is reserved at the upper end of the injection mold, glue is guided into the formulated mold through the runner in the glue injection process, and the preparation of a glue injection piece is completed after glue injection is completed.

After glue injection is completed, redundant glue bodies can be stored in the upper runner, after the glue bodies are demoulded, polishing and polishing are carried out by using polishing equipment, operation is complex, the yield of glue injection pieces is influenced, and therefore the plastic package structure of the upper runner is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an upper flow channel plastic package structure can accelerate the technical effect of injecting glue spare shaping speed and output.

In order to solve the technical problem, the utility model provides a following technical scheme: an upper runner plastic package structure comprises a movable mould plate, wherein the lower end of the movable mould plate is sequentially connected with a fixed mould plate and a base, a fixed mould core and a movable mould core are respectively arranged inside the movable mould plate and the fixed mould plate and are mutually buckled to form a mould cavity, an upper runner is arranged at the upper end of the movable mould plate and is communicated with the mould cavity, a first chute is arranged at the upper end of the movable mould plate and is positioned at one end of the upper runner, a second chute is arranged at the lower end of the first chute, a connecting hole is arranged between the first chute and the second chute, a sliding block is arranged inside the second chute, a push block is arranged inside the first chute, a connecting rod is arranged inside the connecting hole and is fixed between the push block and the sliding block, a spring is fixed between one end of the sliding block, which is far away from the upper runner, and the second chute, and a plastic sealing plate is fixed at the other end of the sliding block, and extends to the inside of the upper runner, and is closely attached to the side wall thereof.

As a preferred technical scheme of the utility model, the through-hole has been seted up to the upper end of movable mould board, the inside of through-hole is equipped with the card post, mould the upper end of shrouding and set up first draw-in groove and the second draw-in groove that matches with the card post respectively, the lower extreme of card post extends to inside rather than the joint of first draw-in groove.

As a preferred technical scheme of the utility model, it is fixed with the fixture block to mould the shrouding and be located the inside one end of runner, go up the lateral wall of runner and offer the third draw-in groove that matches with the fixture block.

As a preferred technical scheme of the utility model, the upper end surface of card post is equipped with first screw thread, and the upper end inner wall of through-hole is equipped with the second screw thread that matches with the external screw thread.

As an optimized technical scheme of the utility model, the upside of ejector pad is connected with anti-skidding rubber pad.

As an optimized technical scheme of the utility model, the upper end of card post is fixed with the spacing pull ring.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the sliding block and the plastic sealing plate are driven to move towards the interior of the upper runner through the action of the pushing block, the connecting rod and the spring, so that the plastic sealing plate is attached to the side wall of the upper runner, the upper end of the upper runner is subjected to plastic sealing treatment, the obtained upper end of the glue injection piece is smooth, the glue injection piece does not need to be polished, the production steps are saved, the operation is simple, and the production rate and the yield of the glue injection piece are improved;

2. through the cooperation of card post, first draw-in groove and second draw-in groove, play limiting displacement to moulding shrouding and slider, the injection of the colloid of being convenient for improves the injecting glue speed simultaneously.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the plastic package structure of the present invention;

FIG. 3 is an enlarged view of a portion a of FIG. 2;

in the figure: 1. moving the template; 2. fixing a template; 3. a base; 4. an upper flow passage; 5. a first chute; 6. connecting holes; 7. a second chute; 8. a push block; 9. a connecting rod; 10. a slider; 11. a spring; 12. a plastic sealing plate; 13. a through hole; 14. clamping the column; 15. a first card slot; 16. a second card slot; 17. a clamping block; 18. and a third card slot.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1 and 2, the utility model provides an upper runner plastic package structure, which comprises a movable template 1, a fixed template 2 and a base 3 are sequentially connected with the lower end of the movable template 1, a fixed mold core and a movable mold core are respectively arranged inside the movable template 1 and the fixed template 2 and are mutually buckled to form a mold cavity, an upper runner 4 is arranged at the upper end of the movable template 1, the upper runner 4 is communicated with the mold cavity, a first chute 5 is arranged at the upper end of the movable template 1, the first chute 5 is positioned at one end of the upper runner 4, a second chute 7 is arranged at the lower end of the first chute 5, a connecting hole 6 is arranged between the first chute 5 and the second chute 7, a slide block 10 is arranged inside the second chute 7, a push block 8 is arranged inside the first chute 5, a connecting rod 9 is arranged inside the connecting hole 6, the connecting rod 9 is fixed between the push block 8 and the slide block 10, a spring 11 is fixed between one end of the slide block 10 far away from the upper runner 4 and the second chute 7, a plastic sealing plate 12 is fixed at the other end of the upper flow passage, and the plastic sealing plate 12 extends into the upper flow passage 4 in a sliding manner and is tightly attached to the side wall of the upper flow passage;

after the injecting glue is accomplished, up 4 one ends of runner promote ejector pad 8, the effect through connecting rod 9 and spring 11 drives slider 10 and removes, slider 10 drives and moulds shrouding 12 and up 4 inside removal of runner, stop the removal of ejector pad 8 when moulding shrouding 12 and 4 lateral walls of last runner and laminating completely, carry out the plastic envelope to last 4 upper ends of runner and handle, it is more level and smooth to make the injected plastic spare upper end, do not need to polish it again after the drawing of patterns, save the production step, and easy operation, the production rate and the output of injected plastic spare have been improved simultaneously.

In another embodiment, as shown in fig. 3, in this embodiment, a through hole 13 is formed in the upper end of the movable die plate 1, a clamping column 14 is disposed inside the through hole 13, a first clamping groove 15 and a second clamping groove 16 matched with the clamping column 14 are respectively formed in the upper end of the plastic sealing plate 12, and the lower end of the clamping column 14 extends into the first clamping groove 15 to be clamped therewith;

when injecting glue, upwards remove card post 14 for its lower extreme breaks away from with first draw-in groove 15 is inside, promotes ejector pad 8 again and drives and mould shrouding 12 and the inside separation of runner 4, then moves card post 14 downwards again, makes its lower extreme extend to the inside joint of second draw-in groove 16, plays limiting displacement to slider 10, and the injection of the colloid of being convenient for improves the injecting glue speed simultaneously.

In another embodiment, as shown in fig. 3, in the embodiment, a clamping block 17 is fixed at one end of the plastic sealing plate 12 located inside the upper flow channel 4, and a third clamping groove 18 matched with the clamping block 17 is formed in a side wall of the upper flow channel 4, so that stability of the plastic sealing plate 12 during plastic sealing is improved.

In another embodiment, as shown in fig. 3, in this embodiment, the upper end surface of the clamping column 14 is provided with a first thread, and the inner wall of the upper end of the through hole 13 is provided with a second thread matching with the external thread, so as to improve the fixing performance of the clamping column 14 and improve the clamping stability of the plastic sealing plate 12.

In another embodiment, as shown in fig. 2, this embodiment discloses that an anti-skid rubber pad is connected to the upper side of the pushing block 8, so as to facilitate the movement of the pushing block 8.

In another embodiment, as shown in fig. 3, the present embodiment discloses that a position-limiting pull ring is fixed to the upper end of the latch 14 to facilitate the movement of the latch 14.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an upper runner plastic envelope structure, includes movable mould board (1), the lower extreme of movable mould board (1) has connected gradually fixed die plate (2) and base (3), movable mould board (1) and fixed die plate (2) are inside to be equipped with respectively fixed die core and movable die core and mutual lock and constitute the die cavity, the upper end of movable mould board (1) is equipped with runner (4), runner (4) and die cavity intercommunication, its characterized in that go up: the upper end of the movable template (1) is provided with a first chute (5), the first chute (5) is positioned at one end of the upper runner (4), a second sliding chute (7) is arranged at the lower end of the first sliding chute (5), a connecting hole (6) is arranged between the first sliding chute (5) and the second sliding chute (7), a slide block (10) is arranged inside the second sliding chute (7), a push block (8) is arranged inside the first sliding chute (5), a connecting rod (9) is arranged inside the connecting hole (6), and the connecting rod (9) is fixed between the push block (8) and the sliding block (10), a spring (11) is fixed between one end of the sliding block (10) far away from the upper runner (4) and the second sliding chute (7), and the other end of the plastic sealing plate is fixed with a plastic sealing plate (12), and the plastic sealing plate (12) extends to the inside of the upper flow channel (4) in a sliding way and is tightly attached to the side wall of the upper flow channel.

2. The plastic package structure of the upper runner according to claim 1, wherein: through-hole (13) have been seted up to the upper end of movable mould board (1), the inside of through-hole (13) is equipped with card post (14), first draw-in groove (15) and second draw-in groove (16) that match with card post (14) are seted up respectively to the upper end of moulding shrouding (12), the lower extreme of card post (14) extends to first draw-in groove (15) inside rather than the joint.

3. The plastic package structure of the upper runner according to claim 1, wherein: and a clamping block (17) is fixed at one end of the plastic sealing plate (12) positioned in the upper flow channel (4), and a third clamping groove (18) matched with the clamping block (17) is formed in the side wall of the upper flow channel (4).

4. The upper runner plastic package structure of claim 2, characterized in that: the upper end surface of the clamping column (14) is provided with first threads, and the inner wall of the upper end of the through hole (13) is provided with second threads matched with the external threads.

5. The plastic package structure of the upper runner according to claim 1, wherein: the upper side of the push block (8) is connected with an anti-skid rubber pad.

6. The upper runner plastic package structure of claim 2, characterized in that: and a limiting pull ring is fixed at the upper end of the clamping column (14).