CN210820722U

CN210820722U - Soft bait processing injection mold convenient to back-off plastic part drawing of patterns

Info

Publication number: CN210820722U
Application number: CN201921880884.9U
Authority: CN
Inventors: 陈炯韩
Original assignee: Weihai Shengxin Outdoor Products Co ltd
Current assignee: Weihai Shengxin Outdoor Products Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-06-23
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a soft bait processing injection mold convenient for demolding of a back-off plastic part, which relates to the technical field of molds and comprises a base, a lower mold and an upper mold, wherein the upper outer surface of the base is fixedly provided with the lower mold, the upper position of the lower mold is provided with the upper mold, the four peripheral angular positions of the upper outer surface of the lower mold are all fixedly provided with fixed rods, the middle position of the upper outer surface of the lower mold is fixedly provided with an injection cylinder, the middle position of the inner part of the injection cylinder is movably provided with an ejector rod, the middle position of the outer surface of one side of the base is movably provided with a movable rod, the annular outer surface of the movable rod is wrapped with a movable handle, the device not only effectively avoids the conditions of scratching the injection product in the mold separation process, leading to the injection failure of the injection product, but also can rapidly separate the injection product from the, avoid constructor to lead to causing the damage to the article of moulding plastics because of the misoperation.

Description

Soft bait processing injection mold convenient to back-off plastic part drawing of patterns

Technical Field

The utility model relates to the technical field of mold, specifically be a soft bait processing injection mold convenient to back-off plastic part drawing of patterns.

Background

An injection mold is a tool for producing plastic products; the injection molding is a processing method used for batch production of parts with complex shapes, and particularly relates to a method for injecting heated and molten plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.

At present, when mould separates about the tradition, often can lead to carrying out the scratch to the injection moulding article in the course of separating, seriously influenced the quality of outward appearance, the grade of the product that reduces still can appear pulling when serious, in carrying out the course of separating injection moulding article and mould, also often appear leading to the injection moulding article to damage or other circumstances because of constructor misoperation.

Disclosure of Invention

Not enough to prior art, the utility model provides a soft bait processing injection mold convenient to back-off plastic part drawing of patterns has solved upper and lower mould separation process in scratch injection moulding article and mould separation, because of the improper problem of damaging the injection moulding article of operation.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a soft bait processing injection mold convenient for demolding of a back-off plastic part, which comprises a base, a lower mold and an upper mold, a lower die is fixedly arranged on the outer surface of the upper end of the base, an upper die is arranged above the lower die, the peripheral angular positions of the outer surface of the upper end of the lower die are all fixedly provided with fixed rods, the middle position of the outer surface of the upper end of the lower die is fixedly provided with an injection cylinder, an ejection rod is movably arranged in the middle of the inner part of the injection molding cylinder, a movable rod is movably arranged in the middle of the outer surface of one side of the base, the annular outer surface of the movable rod is wrapped with a movable handle, the outer surface of the lower end of the upper die is provided with a first groove at the four peripheral corners, the lower extreme surface intermediate position fixed mounting of going up the mould has the movable block, the one side surface intermediate position movable mounting of going up the mould has the threaded rod.

Preferably, one side of the annular outer surface of the movable rod is fixedly provided with a first gear, a fixed connecting column is fixedly arranged inside the lower die close to the upper end, a gear shaft is fixedly arranged inside the fixed connecting column, and a second gear is fixedly arranged on the outer surface of the lower end of the gear shaft.

Preferably, the annular surface one side fixed mounting of movable block has the extrusion piece, fixed mounting has the spring between extrusion piece and the last mould, the second recess has been seted up to one side that movable block annular surface is close to the threaded rod, one side fixed mounting that threaded rod one side surface is close to the movable block has the bell mouth.

Preferably, the tapered opening is located inside the second groove, a limiting block is fixedly mounted between the extrusion block and the upper die, and the spring is located inside the limiting block.

Preferably, the first gear corresponds to the second gear in position, and a movable bearing is fixedly arranged between the gear shaft and the fixed connecting column.

Preferably, the ejector rod is connected with the gear shaft in a threaded manner, the threaded rod is connected with the upper die in a threaded manner, the fixed rod is located inside the first groove, and the injection molding cylinder is located between the two adjacent movable blocks.

The utility model provides a soft bait processing injection mold convenient to back-off plastic part drawing of patterns. Compared with the prior art, the method has the following beneficial effects:

1. this soft bait processing injection mold convenient to back-off plastic part drawing of patterns, through rotating the threaded rod, threaded connection between threaded rod and the last mould, rotate the in-process, the threaded rod makes the mould inside move to the top, it removes to drive the bell to move to the movable block direction, the bell moves about when the second recess is inside, be the toper because of the bell shape, extrude the movable block, make two adjacent movable blocks make the motion of separation, the movable block removes the in-process, it extrudes the spring to drive the extrusion piece, the in-process of two adjacent movable blocks separation, the movable block separates with inside injection molding, after the separation is accomplished, separate last mould and bed die, can avoid the mould separation in-process, contact with the injection molding, the scratch injection molding.

2. This soft bait processing injection mold convenient to back-off plastic part drawing of patterns, through rotating movable handle, movable handle rotates and drives the movable rod and rotate, the movable rod drives first gear revolve, because of carrying out the interlock between first gear and the second gear, just, first gear drives the gear shaft and rotates, because of threaded connection between ejector pin and the gear shaft, the gear shaft rotates just, drive ejector pin rebound, it is ejecting fast to the injection molding, can be fast with separating between injection molding and the mould, constructor has been avoided leading to causing the damage to the injection molding because of the misoperation.

Drawings

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

FIG. 2 is a schematic view of the combination of the first gear and the second gear of the present invention;

fig. 3 is a schematic view of the movable block and the spring of the present invention.

In the figure: 1. a base; 2. a lower die; 3. a movable handle; 4. a movable rod; 5. injection molding a cylinder; 6. fixing the rod; 7. ejecting the rod; 8. an upper die; 9. a movable block; 10. a threaded rod; 11. a first groove; 12. a first gear; 13. a second gear; 14. fixing a connecting column; 15. a gear shaft; 16. extruding the block; 17. a spring; 18. a second groove; 19. a conical mouth.

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, the present invention provides a technical solution: a soft bait processing injection mold convenient for demolding of a back-off plastic part, which comprises a base 1, lower mould 2 and last mould 8, the upper end surface fixed mounting of base 1 has lower mould 2, the top position of lower mould 2 is provided with mould 8, the equal fixed mounting in upper end surface all around angular position of lower mould 2 has dead lever 6, the upper end surface intermediate position fixed mounting of lower mould 2 has the cylinder 5 of moulding plastics, the inside intermediate position movable mounting of cylinder 5 of moulding plastics has ejector pin 7, one side surface intermediate position movable mounting of base 1 has movable rod 4, the annular surface parcel of movable rod 4 has movable handle 3, first recess 11 has all been seted up to the lower extreme surface all around angular position of last mould 8, the lower extreme surface intermediate position fixed mounting of last mould 8 has movable block 9, one side surface intermediate position movable mounting of last mould 8 has threaded rod 10.

Referring to fig. 2, a first gear 12 is fixedly installed on one side of the annular outer surface of the movable rod 4, a fixed connecting column 14 is fixedly installed inside the lower mold 2 at a position close to the upper end, a gear shaft 15 is fixedly installed inside the fixed connecting column 14, and a second gear 13 is fixedly installed on the outer surface of the lower end of the gear shaft 15.

Referring to fig. 3, an extrusion block 16 is fixedly mounted on one side of the annular outer surface of the movable block 9, a spring 17 is fixedly mounted between the extrusion block 16 and the upper die 8, a second groove 18 is formed in one side of the annular outer surface of the movable block 9, which is close to the threaded rod 10, and a tapered opening 19 is fixedly mounted on one side of the outer surface of one side of the threaded rod 10, which is close to the movable block 9.

When in use, the upper die 8 and the lower die 2 are closed, so that the fixed rod 6 in the lower die 2 is inserted into the first groove 11, the injection cylinder 5 in the lower die 2 is inserted between the two adjacent movable blocks 9, then the die is injected by an external constructor, after the injection is finished, the constructor can rotate the threaded rod 10, the threaded rod 10 is in threaded connection with the upper die 8, during the rotation, the threaded rod 10 moves towards the inside of the upper die 8 to drive the cone-shaped opening 19 to move towards the movable blocks 9, when the cone-shaped opening 19 moves into the second groove 18, the movable blocks 9 are extruded because the cone-shaped opening 19 is cone-shaped, so that the two adjacent movable blocks 9 perform separation movement, during the movement of the movable blocks 9, the extrusion blocks 16 are driven to extrude the springs 17, during the separation of the two adjacent movable blocks 9, the movable blocks 9 are separated from the internal injection product, after the separation is finished, the upper die 8 is separated from the lower die 2, so that the phenomenon that in the process of separating the dies, the movable handle 3 is rotated again after the separation is finished, the movable handle 3 rotates to drive the movable rod 4 to rotate, the movable rod 4 drives the first gear 12 to rotate, the first gear 12 drives the gear shaft 15 to rotate due to the meshing between the first gear 12 and the second gear 13, the ejector rod 7 and the gear shaft 15 are in threaded connection due to the rotation of the gear shaft 15, the ejector rod 7 is driven to move upwards by the rotation of the gear shaft 15, the injection molding is ejected quickly, and the series of structures not only effectively avoid the separation process of the mold, the injection molding failure can be caused by the conditions of scratch and the like of the injection molding product, the injection molding product can be separated from the mold quickly, and the damage to the injection molding product caused by misoperation of constructors is avoided.

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. The utility model provides a soft bait processing injection mold convenient to back-off plastic part drawing of patterns, includes base (1), bed die (2) and goes up mould (8), its characterized in that: a lower die (2) is fixedly arranged on the outer surface of the upper end of the base (1), an upper die (8) is arranged above the lower die (2), fixing rods (6) are fixedly arranged at the peripheral angular positions of the outer surface of the upper end of the lower die (2), an injection cylinder (5) is fixedly arranged in the middle of the outer surface of the upper end of the lower die (2), an ejector rod (7) is movably arranged in the middle of the inner part of the injection molding cylinder (5), a movable rod (4) is movably arranged in the middle of the outer surface of one side of the base (1), the annular outer surface of the movable rod (4) is wrapped with a movable handle (3), the outer surface of the lower end of the upper die (8) is provided with first grooves (11) at the peripheral angular positions, a movable block (9) is fixedly arranged in the middle of the outer surface of the lower end of the upper die (8), a threaded rod (10) is movably arranged in the middle of the outer surface of one side of the upper die (8).

2. The injection mold for processing soft bait convenient for demolding of reverse-buckled plastic parts as claimed in claim 1, wherein: the movable rod (4) annular surface one side fixed mounting has first gear (12), the inside fixed mounting that is close to upper end position fixed mounting of bed die (2) has fixed connection post (14), the inside fixed mounting of fixed connection post (14) has gear shaft (15), the lower extreme external surface fixed mounting of gear shaft (15) has second gear (13).

3. The injection mold for processing soft bait convenient for demolding of reverse-buckled plastic parts as claimed in claim 1, wherein: annular surface one side fixed mounting of movable block (9) has extrusion piece (16), fixed mounting has spring (17) between extrusion piece (16) and last mould (8), second recess (18) have been seted up to one side that movable block (9) annular surface is close to threaded rod (10), one side fixed mounting that threaded rod (10) one side surface is close to movable block (9) has bell mouth (19).

4. The injection mold for processing soft bait convenient for demolding of reverse-buckled plastic parts as claimed in claim 3, wherein: the conical opening (19) is located inside the second groove (18), a limiting block is fixedly mounted between the extrusion block (16) and the upper die (8), and the spring (17) is located inside the limiting block.

5. The injection mold for processing soft bait convenient for demolding of reverse-buckled plastic parts as claimed in claim 2, wherein: the first gear (12) corresponds to the second gear (13), and a movable bearing is fixedly arranged between the gear shaft (15) and the fixed connecting column (14).

6. The injection mold for processing soft bait convenient for demolding of reverse-buckled plastic parts as claimed in claim 1, wherein: ejector pin (7) are connected with gear shaft (15) screw thread formula, screw thread formula is connected between threaded rod (10) and last mould (8), dead lever (6) are located inside first recess (11), the cylinder of moulding plastics (5) are located between two adjacent movable blocks (9).