CN214645569U

CN214645569U - Compact injection mold with in-mold automatic gate cutting function

Info

Publication number: CN214645569U
Application number: CN202120732567.3U
Authority: CN
Inventors: 高群
Original assignee: Guangzhou Yusei Machinery Co ltd
Current assignee: Guangzhou Yusei Machinery Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-11-09
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses a compact injection mold with an in-mold automatic sprue cutting function, which comprises a lower bottom plate, wherein the upper end of the lower bottom plate is fixedly connected with a sizing block, the upper end of the sizing block is fixedly connected with a supporting seat, the upper end of the supporting seat is fixedly connected with a lower mold bottom plate, the upper end of the lower mold bottom plate is provided with an upper mold bottom plate, the top end of the upper mold bottom plate is fixedly connected with a sprue bush, the upper end surface of the lower mold bottom plate is provided with a cutting device, and an injection molding device is arranged between the lower mold bottom plate and the upper mold bottom plate; the utility model relates to an injection mold technical field. This take automatic compact injection mold who cuts runner in mould, biax through driving motor is two-way, drives two threaded rods mutual antiport at both ends for two sliders move to the mouth both sides of moulding plastics in the groove of moulding plastics, thereby make the cutter guarantee to cut off the runner, avoided the manual work to remove the piece flaw and the deformation of moulding that the runner produced, improved injection moulding technology's degree of automation.

Description

Compact injection mold with in-mold automatic gate cutting function

Technical Field

The utility model relates to an injection mold technical field specifically is the automatic compact injection mold who cuts the runner in the area mould.

Background

Injection molding is a method in which a hot-melt plastic material is injected into a cavity having a desired shape in a mold, and after the plastic material is cooled and solidified, the mold is opened to eject the solidified plastic work to obtain a molded product. The injection molding method has the characteristics of low molding cost, short molding period, simple molding process, easiness in molding of plastic products with complex shapes and the like, so that the injection molding method is very commonly applied to the field of plastic product manufacturing.

Traditional disk runner mould is after the die sinking, the piece of moulding of injection moulding in the mould always links together with the congealing material of pouring runner department, can't autosegregation, and need mould the piece and congeal the material surely to separate just can produce the product that can use, present general way is to increase manual runner process, utilize the manual work to mould the piece from congealing material cutting separation, such mould has the runner to remain, need the mould sinking after the manual removal, not only production efficiency is low, and the manual runner process of cutting that goes more can lead to manufacturing cost to increase moreover.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a take in-mold automatic compact injection mold who cuts runner has solved current injection mold and has required the manual work of die sinking to get rid of, and not only production efficiency is low, and the manual runner process of cutting who goes out moreover can lead to the problem that manufacturing cost increases.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the compact injection mold with the in-mold automatic gate cutting function comprises a lower bottom plate, wherein a sizing block is fixedly connected to the upper end of the lower bottom plate, a supporting seat is fixedly connected to the upper end of the sizing block, a lower mold bottom plate is fixedly connected to the upper end of the supporting seat, an upper mold bottom plate is arranged at the upper end of the lower mold bottom plate, a gate sleeve is fixedly connected to the top end of the upper mold bottom plate, a cutting device is arranged on the upper end surface of the lower mold bottom plate, and an injection molding device is arranged between the lower mold bottom plate and the upper mold bottom plate; the cutting device comprises symmetrical cutting grooves formed in the surfaces of the two sides of the upper end of a lower die bottom plate, a driving motor is fixedly connected inside the cutting grooves, threaded rods are fixedly connected to the two ends of the driving motor, sliding blocks are connected to the threaded rods symmetrically in a threaded mode, the sliding blocks are close to one end of the outer side of the cutter, and the driving motor is a double-shaft two-way motor.

Preferably, an embedded groove is formed in the surface of the upper end of the lower die base plate, guide grooves are formed in two ends of the embedded groove, and an injection molding groove is formed in the other end of the guide groove.

Preferably, the injection molding device comprises a main runner fixedly installed in the embedded groove, two ends of the main runner are fixedly connected with sub-runners, the other ends of the sub-runners are fixedly connected with molding cavities, the top end of the main runner is fixedly connected with a main pouring gate, and the top end of the main pouring gate is fixedly connected with the bottom end of the pouring gate sleeve.

Preferably, the sub-runners are fixedly mounted in the guide grooves, and the molding cavity is fixedly mounted in the injection molding groove.

Preferably, the periphery of the top end of the lower die base plate is fixedly connected with a positioning bolt, and the top end of the positioning bolt is fixedly connected with the bottom end of the upper die base plate.

Preferably, the upper end surface of the supporting seat is fixedly connected with a condensation pipeline, and the condensation pipeline is located under the injection molding groove.

Advantageous effects

The utility model provides a take in-mould automatic compact injection mold who cuts runner. Compared with the prior art, the method has the following beneficial effects:

(1) this take in-mold automatic compact injection mold who cuts runner, open driving motor after the stable shaping of mould shaping in the shaping intracavity, driving motor's biax is two-way, drive the mutual antiport at two threaded rods at both ends, make two sliders remove to the mouth both sides of moulding plastics in the groove of moulding plastics, thereby make the cutter guarantee to cut off the runner, thereby realize the automatic gate that cuts off in the mould, make to mould the purpose of piece and the separation of congealing the material, the manual process of going the runner has been reduced, the production efficiency is improved, the manual work of having avoided simultaneously going the piece flaw and the deformation that the runner produced, the degree of automation of injection moulding technology has been improved.

(2) This take automatic compact injection mold who cuts runner in mould, raw materials of moulding plastics through the outside is poured into by the runner cover, flow into sprue and subchannel through the main runner, finally get into the molding cavity and carry out injection moulding, the cooperation is located the condensation duct of the tank bottom end of moulding plastics, the mould to the interior of molding cavity carries out cooling and handles, realize the reposition of redundant personnel to the raw materials of moulding plastics through sprue and subchannel, the cooling and cooling of cooperation condensation duct handles, thereby realize the fly-cutting, need not to wait for, and the production efficiency is improved.

Drawings

Fig. 1 is a perspective view of the external structure of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a perspective view of the middle cutting device of the present invention.

In the figure: 1. a lower base plate; 2. sizing block; 3. a supporting seat; 4. a lower die base plate; 5. an upper die base plate; 6. a sprue bush; 7. a condensing duct; 8. a groove is embedded; 9. a guide groove; 10. injection molding a groove; 11. a main flow channel; 12. a shunt channel; 13. a main gate; 14. a molding cavity; 15. positioning the bolt; 16. cutting the groove; 17. a drive motor; 18. a threaded rod; 19. a slider; 20. a cutter; 21. a cutting device; 22. an injection molding device.

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. 1-3, the present invention provides a technical solution: the compact injection mold with the in-mold automatic gate cutting function comprises a lower bottom plate 1, wherein the upper end of the lower bottom plate 1 is fixedly connected with a sizing block 2, the upper end of the sizing block 2 is fixedly connected with a supporting seat 3, the upper end of the supporting seat 3 is fixedly connected with a lower mold bottom plate 4, the upper end of the lower mold bottom plate 4 is provided with an upper mold bottom plate 5, the top end of the upper mold bottom plate 5 is fixedly connected with a gate sleeve 6, the upper end surface of the lower mold bottom plate 4 is provided with a cutting device 21, and an injection molding device 22 is arranged between the lower mold bottom plate 4 and the upper mold bottom plate 5; the cutting device 21 comprises symmetrical cutting grooves 16 formed in the surfaces of the two sides of the upper end of the lower die bottom plate 4, a driving motor 17 is fixedly connected inside the cutting grooves 16, threaded rods 18 are fixedly connected to the output ends of the two ends of the driving motor 17, sliding blocks 19 are connected to the symmetrical threaded rods 18 in a threaded mode, a cutter 20 is fixedly connected to one end, close to the outer side, of each sliding block 19, and the driving motor 17 is a double-shaft bidirectional motor; an embedded groove 8 is formed in the upper end surface of the lower die base plate 4, guide grooves 9 are formed in two ends of the embedded groove 8, and an injection molding groove 10 is formed in the other end of each guide groove 9; the injection molding device 22 comprises a main runner 11 fixedly installed in the embedded groove 8, two ends of the main runner 11 are fixedly connected with sub-runners 12, the other ends of the sub-runners 12 are fixedly connected with a molding cavity 14, the top end of the main runner 11 is fixedly connected with a main sprue 13, and the top end of the main sprue 13 is fixedly connected with the bottom end of the sprue bush 6; the sub-runner 12 is fixedly arranged in the guide groove 9, and the molding cavity 14 is fixedly arranged in the injection molding groove 10; the periphery of the top end of the lower die bottom plate 4 is fixedly connected with a positioning bolt 15, and the top end of the positioning bolt 15 is fixedly connected with the bottom end of the upper die bottom plate 5; the upper end surface fixed connection of supporting seat 3 has condensation duct 7, and condensation duct 7 is located the groove 10 of moulding plastics under.

And those not described in detail in this specification are well within the skill of those in the art.

When the injection molding machine works, external injection molding raw materials are poured into the injection molding groove from the sprue bush 6, flow into the main runner 11 and the sub-runners 12 through the main sprue 13, finally enter the molding cavity 14 for injection molding, and are matched with the condensation pipeline 7 positioned at the bottom end of the injection molding groove 10 to cool and cool a mold in the molding cavity 14, after the mold in the molding cavity 14 is molded stably, the driving motor 17 is started, the double shafts of the driving motor 17 are bidirectional, the two threaded rods 18 at the two ends are driven to rotate in opposite directions, the two sliding blocks 19 move towards the two sides of the injection molding opening of the injection molding groove 10, so that the cutter 20 ensures to cut off the sprue, after the cutting is finished, the driving motor 17 is started to drive the sliding blocks 19 to return to the original position, and the working principle of the compact injection molding mold with the automatic sprue in the mold is realized.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Take automatic compact injection mold who cuts runner in mould, including lower plate (1), its characterized in that: the upper end of the lower bottom plate (1) is fixedly connected with a sizing block (2), the upper end of the sizing block (2) is fixedly connected with a supporting seat (3), the upper end of the supporting seat (3) is fixedly connected with a lower bottom plate (4), the upper end of the lower bottom plate (4) is provided with an upper bottom plate (5), the top end of the upper bottom plate (5) is fixedly connected with a sprue bush (6), the upper end surface of the lower bottom plate (4) is provided with a cutting device (21), and an injection molding device (22) is arranged between the lower bottom plate (4) and the upper bottom plate (5);

cutting device (21) include that lower mould bottom plate (4) upper end both sides surface sets up cutting groove (16) of symmetry, cut inside fixedly connected with driving motor (17) of groove (16), the equal fixedly connected with threaded rod (18) of output at driving motor (17) both ends, the symmetry equal threaded connection has slider (19) on threaded rod (18), slider (19) are close to outside one end fixedly connected with cutter (20), driving motor (17) are biax two-way motor.

2. The compact injection mold with in-mold automatic cutout gate of claim 1, characterized in that: an embedded groove (8) is formed in the upper end surface of the lower die base plate (4), guide grooves (9) are formed in the two ends of the embedded groove (8), and an injection molding groove (10) is formed in the other end of each guide groove (9).

3. The compact injection mold with in-mold automatic cutout gate of claim 2, characterized in that: injection moulding device (22) include sprue (11) at embedded groove (8) internal fixation, the both ends fixedly connected with subchannel (12) of sprue (11), the other end fixedly connected with of subchannel (12) becomes die cavity (14), the top fixedly connected with main runner (13) of sprue (11), the top of main runner (13) and the bottom fixed connection of runner cover (6).

4. The compact injection mold with in-mold automatic cutout gate of claim 3, wherein: the sub-runners (12) are fixedly arranged in the guide grooves (9), and the molding cavities (14) are fixedly arranged in the injection molding grooves (10).

5. The compact injection mold with in-mold automatic cutout gate of claim 1, characterized in that: and the periphery of the top end of the lower die bottom plate (4) is fixedly connected with a positioning bolt (15), and the top end of the positioning bolt (15) is fixedly connected with the bottom end of the upper die bottom plate (5).

6. The compact injection mold with in-mold automatic cutout gate of claim 1, characterized in that: the upper end surface fixed connection of supporting seat (3) has condensation duct (7), condensation duct (7) are located the groove of moulding plastics (10) under.