CN214294311U

CN214294311U - High-stability injection mold with spring block core pulling structure

Info

Publication number: CN214294311U
Application number: CN202023131505.1U
Authority: CN
Inventors: 游加林
Original assignee: Hangzhou Youcheng Mechinery Industrial Co ltd
Current assignee: Hangzhou Youcheng Mechinery Industrial Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-09-28
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a take high stability injection mold of bullet piece core pulling structure, including last mould and bed die, go up the equal fixedly connected with connecting rod in both sides at mould top, go up the top of mould and seted up first heat dissipation chamber, the second heat dissipation chamber has been seted up to the inside of bed die, the bottom fixedly connected with heat insulating board of bed die, the bottom fixedly connected with air-cooling mechanism of heat insulating board, air-cooling mechanism include the install bin, the top of install bin and the bottom fixed connection of heat insulating board, the left side fixedly connected with cooling coil of install bin inner wall bottom, the utility model relates to an injection mold technical field. This take high stability injection mold of bullet piece structure of loosing core, the air after the cooling is delivered to the shower nozzle through the blast pipe and evenly spouts, gets into the second heat dissipation chamber, evenly cools down to the bed die, makes each part of product evenly dispel the heat in the mould, makes things convenient for product cooling shaping, has avoided the uneven influence to the product of heat dissipation, has effectively improved the quality of product.

Description

High-stability injection mold with spring block core pulling structure

Technical Field

The utility model relates to an injection mold technical field specifically is a take high stability injection mold of bullet piece structure of loosing core.

Background

Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like. Stirring the completely molten plastic material by a screw at a certain temperature, injecting the plastic material into a mold cavity by high pressure, and cooling and solidifying to obtain a molded product. The method is suitable for mass production of parts with complex shapes, and is one of important processing methods.

The mould generally includes upper die base and die holder (or terrace die and die), the two separable can close, take out the finished piece when separately, make the blank pour into the mould die cavity into when closing up and take shape, it just can carry out the drawing of patterns to wait to plastics cooling forming after when the injection mold drawing of patterns, it is difficult that the work piece after relying on injection moulding dispels the heat under the parcel of upper die base and die holder, natural cooling rate is low, current injection mold is for the heat dissipation, generally adopt to set up cooling coil in the mould, let in the coolant liquid and dispel the heat with higher speed, when cooling coil cools off, the part cooling with cooling coil contact is too fast, the part heat dissipation of keeping away from cooling coil is slower, the product heat dissipation in the mould is inhomogeneous, influence the quality of product.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a take bullet piece structure of loosing core's high stability injection mold has solved and has set up cooling coil in the mould, and during the cooling coil cooling, the part cooling with the cooling coil contact is too fast, and the partial heat dissipation of keeping away from cooling coil is slower, and the product heat dissipation in the mould is inhomogeneous, influences product quality's problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a high-stability injection mold with an elastic block core-pulling structure comprises an upper mold and a lower mold, wherein connecting rods are fixedly connected with both sides of the top of the upper mold, the top of the upper die is provided with a first heat dissipation cavity, the interior of the lower die is provided with a second heat dissipation cavity, the bottom of the lower die is fixedly connected with a heat insulation plate, the bottom of the heat insulation plate is fixedly connected with an air cooling mechanism, the air cooling mechanism comprises an installation box, the top of the installation box is fixedly connected with the bottom of the heat insulation plate, the left side of the bottom of the inner wall of the installation box is fixedly connected with a cooling coil, the right side of the bottom of the inner wall of the installation box is fixedly connected with a blower, the outlet of the air blower is communicated with an air supply pipe, one end, far away from the air blower, of the air supply pipe penetrates through the installation box and the lower die and extends to the inside of the second heat dissipation cavity, and the surface of one end, located inside the second heat dissipation cavity, of the air supply pipe is communicated with a spray head.

Preferably, a plurality of air inlets are formed in the left side of the installation box, and a dust removal net is fixedly connected between the top and the bottom of the inner wall of the installation box.

Preferably, the guide way has all been seted up to the both sides at bed die top to the equal fixedly connected with guide post in both sides of going up the mould bottom, two the guide way is all run through and extend to the inside of guide way to the bottom of guide post.

Preferably, fixedly connected with radiator-grid between the top of first heat dissipation intracavity wall both sides, radiator-grid's bottom fixedly connected with motor, the equal fixedly connected with dwang of one end of motor output shaft, the top of dwang is all rotated through the bottom of axis of rotation and first heat dissipation intracavity wall and is connected, the fixed surface of dwang is connected with the flabellum.

Preferably, mounting holes are formed in the two sides of the top of the lower die, a telescopic rod is fixedly connected to the bottom of the inner wall of each mounting hole, and a top plate is fixedly connected to an output shaft of the telescopic rod.

Preferably, the left side of the inner wall of the second heat dissipation cavity is provided with an exhaust hole, and the exhaust hole penetrates through the lower die and extends to the outside of the lower die.

Advantageous effects

The utility model provides a take bullet piece structure of loosing core's high stability injection mold. Compared with the prior art, the method has the following beneficial effects:

(1) the high-stability injection mold with the spring block core pulling structure is characterized in that a second heat dissipation cavity is formed in the lower mold, a heat insulation plate is fixedly connected to the bottom of the lower mold, an air cooling mechanism is fixedly connected to the bottom of the heat insulation plate and comprises an installation box, the top of the installation box is fixedly connected with the bottom of the heat insulation plate, a cooling coil pipe is fixedly connected to the left side of the bottom of the inner wall of the installation box, an air blower is fixedly connected to the right side of the bottom of the inner wall of the installation box, an outlet of the air blower is communicated with an air supply pipe, one end, away from the air blower, of the air supply pipe penetrates through the installation box and the lower mold and extends into the second heat dissipation cavity, a spray head is communicated with the surface of one end, located in the second heat dissipation cavity, cooled air is delivered to the spray head through the air supply pipe and then uniformly sprayed out into the second heat dissipation cavity, the lower mold is uniformly cooled, and all parts of products in the mold are uniformly dissipated heat, the product cooling molding is facilitated, the influence of uneven heat dissipation on the product is avoided, and the product quality is effectively improved.

(2) This take high stability injection mold of bullet piece structure of loosing core, fixedly connected with radiator-grid between the top through first heat dissipation intracavity wall both sides, the bottom fixedly connected with motor of radiator-grid, the equal fixedly connected with dwang of one end of motor output shaft, the top of dwang is all rotated through the bottom of axis of rotation and first heat dissipation intracavity wall and is connected, the fixed surface of dwang is connected with the flabellum, dispel the heat to last mould through first heat dissipation chamber cooperation second heat dissipation chamber, radiating speed has both been improved production efficiency, dispel the heat to the top of product in the mould simultaneously, radiating homogeneity has further been improved.

Drawings

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

FIG. 2 is a cross-sectional view of the structure of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: the cooling device comprises an upper die 1, a lower die 2, a connecting rod 3, a first heat dissipation cavity 4, a second heat dissipation cavity 5, a heat insulation plate 6, an air cooling mechanism 7, a mounting box 71, a cooling coil 72, a blower 73, an air supply pipe 74, a spray head 75, an air inlet 76, a dust removal net 77, a guide groove 8, a guide column 9, a heat dissipation net 10, a motor 11, a rotating rod 12, fan blades 13, mounting holes 14, telescopic rods 15, a top plate 16 and exhaust holes 17.

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: a high-stability injection mold with a spring block core pulling structure comprises an upper mold 1 and a lower mold 2, wherein a feeding hole is formed in the top of the upper mold 1 in a penetrating manner, guide grooves 8 are formed in two sides of the top of the lower mold 2, guide posts 9 are fixedly connected to two sides of the bottom of the upper mold 1, the bottom ends of the two guide posts 9 penetrate through the guide grooves 8 and extend into the guide grooves 8, connecting rods 3 are fixedly connected to two sides of the top of the upper mold 1, a first heat dissipation cavity 4 is formed in the top of the upper mold 1, a heat dissipation net 10 is fixedly connected between the tops of two sides of the inner wall of the first heat dissipation cavity 4, a motor 11 is fixedly connected to the bottom of the heat dissipation net 10, the motor 11 is connected with a control system and an external power supply through wires, a rotating rod 12 is fixedly connected to one end of an output shaft of the motor 11, the top end of the rotating rod 12 is rotatably connected with the bottom of the inner wall of the first heat dissipation cavity 4 through a rotating shaft, the surface of the rotating rod 12 is fixedly connected with a fan blade 13, a second heat dissipation cavity 5 is arranged inside the lower die 2, the left side of the inner wall of the second heat dissipation cavity 5 is provided with an exhaust hole 17, the exhaust hole 17 penetrates through the lower die 2 and extends to the outside of the lower die 2, both sides of the top of the lower die 2 are provided with mounting holes 14, the bottom of the inner wall of the mounting hole 14 is fixedly connected with an expansion link 15, the expansion link 15 is an electric expansion link and is connected with a control system and an external power supply through a wire, an output shaft of the expansion link 15 is fixedly connected with a top plate 16, the bottom of the lower die 2 is fixedly connected with a heat insulation plate 6, the bottom of the heat insulation plate 6 is fixedly connected with an air cooling mechanism 7, the air cooling mechanism 7 comprises a mounting box 71, the top of the mounting box 71 is fixedly connected with the bottom of the heat insulation plate 6, the left side of the bottom of the inner wall of the mounting box 71 is fixedly connected with a cooling coil 72, the cooling coil 72 is communicated with a refrigerator, the right side fixedly connected with air-blower 73 of installing bin 71 inner wall bottom, air-blower 73 passes through the wire and is connected with control system and external power source, the export intercommunication of air-blower 73 has blast pipe 74, the one end that air-blower 73 was kept away from to blast pipe 74 runs through installing bin 71 and bed die 2 and extends to the inside in second heat dissipation chamber 5, blast pipe 74 is located the inside one end surface intercommunication in second heat dissipation chamber 5 and has shower nozzle 75, a plurality of inlet port 76 has been seted up to the left side of installing bin 71, fixedly connected with dust removal net 77 between the top of installing bin 71 inner wall and the bottom.

After the end of moulding plastics, open motor 11 through control panel, make dwang 12 drive flabellum 13 and rotate, can dispel the heat to upper die base 1, open air-blower 73 through control panel, the air passes through inlet port 76 and gets into in install bin 71 after dust removal net 77 purifies, cooling coil 72 can cool down the processing to the air in install bin 71, air-blower 73 sends the air after cooling to shower nozzle 75 blowout through blast pipe 74, cool down 2 bed die, work piece cooling shaping in the mould back, upper die base 1 upwards moves under the drive of external power device, open telescopic link 15 through control panel, telescopic link 15 upwards moves and promotes roof 16 and ejecting from 2 bed die with the work piece.

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 take high stability injection mold of bullet piece structure of loosing core, includes mould (1) and bed die (2), go up equal fixedly connected with connecting rod (3) in both sides at mould (1) top, its characterized in that: the heat dissipation structure is characterized in that a first heat dissipation cavity (4) is formed in the top of the upper die (1), a second heat dissipation cavity (5) is formed in the lower die (2), a heat insulation plate (6) is fixedly connected to the bottom of the lower die (2), an air cooling mechanism (7) is fixedly connected to the bottom of the heat insulation plate (6), the air cooling mechanism (7) comprises an installation box (71), the top of the installation box (71) is fixedly connected with the bottom of the heat insulation plate (6), a cooling coil (72) is fixedly connected to the left side of the bottom of the inner wall of the installation box (71), an air blower (73) is fixedly connected to the right side of the bottom of the inner wall of the installation box (71), an outlet of the air blower (73) is communicated with an air supply pipe (74), one end, far away from the air blower (73), of the air supply pipe (74) penetrates through the installation box (71) and the lower die (2) and extends into the second heat dissipation cavity (5), and the surface of one end of the blast pipe (74) positioned in the second heat dissipation cavity (5) is communicated with a spray head (75).

2. The high-stability injection mold with the spring block core-pulling structure according to claim 1, is characterized in that: a plurality of air inlets (76) are formed in the left side of the installation box (71), and a dust removal net (77) is fixedly connected between the top and the bottom of the inner wall of the installation box (71).

3. The high-stability injection mold with the spring block core-pulling structure according to claim 1, is characterized in that: guide way (8) have all been seted up to the both sides at bed die (2) top to the equal fixedly connected with guide post (9) in both sides of last mould (1) bottom, two guide post (9)'s bottom all runs through guide way (8) and extends to the inside of guide way (8).

4. The high-stability injection mold with the spring block core-pulling structure according to claim 1, is characterized in that: fixedly connected with radiator-grid (10) between the top of first heat dissipation chamber (4) inner wall both sides, the bottom fixedly connected with motor (11) of radiator-grid (10), the equal fixedly connected with dwang (12) of one end of motor (11) output shaft, the top of dwang (12) is all rotated through the axis of rotation and the bottom of first heat dissipation chamber (4) inner wall and is connected, the fixed surface of dwang (12) is connected with flabellum (13).

5. The high-stability injection mold with the spring block core-pulling structure according to claim 1, is characterized in that: mounting holes (14) are formed in the two sides of the top of the lower die (2), telescopic rods (15) are fixedly connected to the bottoms of the inner walls of the mounting holes (14), and top plates (16) are fixedly connected to output shafts of the telescopic rods (15).

6. The high-stability injection mold with the spring block core-pulling structure according to claim 1, is characterized in that: an exhaust hole (17) is formed in the left side of the inner wall of the second heat dissipation cavity (5), and the exhaust hole (17) penetrates through the lower die (2) and extends to the outside of the lower die (2).