CN217891687U - Quick injection mold of plastic goods - Google Patents

Abstract

The utility model belongs to the field of injection molds, in particular to a rapid injection mold for plastic products, which comprises a base, a connecting seat, an upper template and a lower template; the top end of the base is provided with a connecting seat, the upper template is arranged inside the connecting seat, the lower template is arranged inside the base, and quick replacement mechanisms are arranged between the two sides of the upper template and the lower template and between the base and the connecting seat; the quick replacement mechanism comprises a limiting groove, a limiting block, a movable cavity, a reset spring, a removing assembly and a sliding assembly, wherein the limiting groove is formed in two sides of the upper template and the lower template, one side of the limiting block is clamped with the limiting groove, the other side of the limiting block is sleeved in the movable cavity, the movable cavity is formed in two sides of the base and the connecting seat, the reset spring is arranged in the movable cavity, and the function of conveniently replacing the upper template and the lower template is achieved through the quick replacement mechanism.

Description

Quick injection mold of plastic goods

Technical Field

The utility model relates to an injection mold field specifically is a quick injection mold of plastic goods.

Background

Plastic products, i.e. plastic products, are often processed by using an injection mold.

The plastic product can be formed by injecting the completely molten plastic material into the injection mold and cooling and solidifying the plastic product, and the plastic products with different shapes can be processed by using the injection molds with different types.

Most of the existing injection molds for processing plastic products can not replace the template, and the whole mold needs to be replaced when the plastic products with different shapes are processed, which wastes time and labor; therefore, a rapid injection mold for plastic products is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate the not enough of prior art, the injection mold of current plastic goods processing usefulness can't change the template mostly, adds man-hour plastic goods to different shapes still need change whole mould, not only wastes time but also hard problem, the utility model provides a plastic goods's quick injection mold.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a rapid injection mold for plastic products, which comprises a base, a connecting seat, an upper template and a lower template; the top end of the base is provided with a connecting seat, the upper template is arranged inside the connecting seat, the lower template is arranged inside the base, and quick replacement mechanisms are arranged between the two sides of the upper template and the lower template and between the base and the connecting seat;

the quick replacement mechanism comprises a limiting groove, a limiting block, a movable cavity, a reset spring, a removing assembly and a sliding assembly, wherein the limiting groove is formed in two sides of the upper template and the lower template, one side of the limiting block is clamped with the limiting groove, the other side of the limiting block is sleeved in the movable cavity, the movable cavity is formed in two sides of the base and the connecting seat, the reset spring is arranged in the movable cavity, the removing assembly is arranged at the bottom end of the movable cavity, and the sliding assembly is arranged at the top end, close to one side of the reset spring, of the limiting block.

Preferably, one side of the return spring close to the limiting block is fixedly connected with the limiting block, and one side of the return spring far away from the limiting block is fixedly connected to the inner wall of the movable cavity.

Preferably, remove the subassembly and include butt groove, butt piece, accomodate chamber, shifting chute, rack plate, gear, connecting axle and knob, the bottom at the stopper is seted up in the butt groove, the top and the butt groove butt of butt piece, and the butt piece cover is established in the inside of accomodating the chamber, accomodate the chamber and set up in the bottom in activity chamber, one side at the butt piece is seted up in the shifting chute, rack plate fixed connection is in the inside of shifting chute, gear and rack plate meshing, one side and the gear fixed connection of connecting axle.

Preferably, one side of the connecting shaft, which is far away from the gear, penetrates through the base or the connecting seat and extends to the outer side of the base or the connecting seat, a knob is fixedly connected to one side of the connecting shaft, which is far away from the gear, and anti-skid grains are arranged on the outer side of the knob.

Preferably, the sliding assembly comprises a sliding block and a sliding groove, the sliding block is fixedly connected to the top end of one side, close to the reset spring, of the limiting block, the sliding block is connected to the inside of the sliding groove in a sliding mode, and the sliding groove is formed in the top end of the movable cavity.

Preferably, the bottom of base is provided with heat dissipation mechanism, heat dissipation mechanism includes soaking plate, heat radiation fins, heat dissipation fan and intake duct, soaking plate fixed connection is on the top of the trench inner wall that the base bottom was seted up, heat radiation fins fixed connection is in the bottom of soaking plate, heat dissipation fan fixed connection is in the bottom of the trench inner wall that the base bottom was seted up, the both sides at the trench that the base bottom was seted up are seted up to the intake duct.

The utility model discloses an useful part lies in:

1. the utility model realizes the function of conveniently replacing the upper template and the lower template through the structural design of the quick replacing mechanism, solves the problems that the existing injection mold for processing plastic products can not replace the template, and the whole mold needs to be replaced when processing the plastic products with different shapes, thereby wasting time and labor, and improving the processing efficiency of the plastic products with different types;

2. the utility model discloses a structural design of heat dissipation mechanism has realized the function of work piece cooling solidification with higher speed, has solved current injection mold and has mostly not had the structure of assisting the cooling and accelerating the work piece solidification to the work piece, and then leads to the speed of work piece cooling solidification slower, has reduced the problem of the efficiency of production, has improved work piece refrigerated speed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic perspective view of a first embodiment;

FIG. 2 is a schematic perspective cross-sectional view illustrating a structure of the first embodiment;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 2 according to the first embodiment;

FIG. 4 is a schematic diagram of a partial explosion structure according to the first embodiment;

fig. 5 is a partial three-dimensional structural schematic diagram of the second embodiment.

In the figure: 1. a base; 2. a connecting seat; 31. mounting a template; 32. a lower template; 41. a limiting groove; 42. a limiting block; 43. a movable cavity; 44. a return spring; 45. a butt joint groove; 46. a butting block; 47. a receiving cavity; 48. a moving groove; 49. a rack plate; 51. a gear; 52. a connecting shaft; 53. a knob; 54. a slider; 55. a chute; 56. a movable block; 57. a movable groove; 61. a vapor chamber; 62. heat dissipation fins; 63. a heat dissipation fan; 64. an air inlet channel.

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 efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, a fast injection mold for plastic products includes a base 1, a connecting seat 2, an upper mold plate 31 and a lower mold plate 32; the top end of the base 1 is provided with a connecting base 2, the upper template 31 is arranged inside the connecting base 2, the lower template 32 is arranged inside the base 1, and quick replacement mechanisms are arranged between the two sides of the upper template 31 and the lower template 32 and between the base 1 and the connecting base 2;

the quick replacement mechanism comprises a limiting groove 41, a limiting block 42, a movable cavity 43, a return spring 44, a releasing assembly and a sliding assembly, wherein the limiting groove 41 is formed in two sides of the upper template 31 and the lower template 32, one side of the limiting block 42 is clamped with the limiting groove 41, the other side of the limiting block 42 is sleeved in the movable cavity 43, the movable cavity 43 is formed in two sides of the inner portions of the base 1 and the connecting seat 2, the return spring 44 is arranged in the movable cavity 43, the releasing assembly is arranged at the bottom end of the movable cavity 43, and the sliding assembly is arranged at the top end of one side, close to the return spring 44, of the limiting block 42;

when the injection mold for processing the plastic products is in operation, the existing injection mold for processing the plastic products can not replace the mold plates mostly, when the plastic products with different shapes are processed, the whole mold needs to be replaced, time and labor are wasted, when the upper mold plate 31 or the lower mold plate 32 is to be installed, firstly, the upper mold plate 31 or the lower mold plate 32 is inserted into the base 1 or the connecting base 2, when the upper mold plate 31 or the lower mold plate 32 is inserted into the base 1 or the connecting base 2, the two sides of the upper mold plate 31 or the lower mold plate 32 extrude the inclined planes arranged on the limiting blocks 42, under the action of the extrusion force, the limiting blocks 42 move towards the inside of the movable cavities 43 and extrude the return springs 44, so that the return springs 44 generate elastic deformation, after the upper mold plate 31 or the lower mold plate 32 is completely inserted into the inside of the base 1 or the connecting base 2, the extrusion force of the upper mold plate 31 or the lower mold plate 32 to the limiting blocks 42 disappears, at this moment, the limiting blocks 42 recover to the original positions under the action of the reduction force of the return springs 44 and are clamped with the limiting grooves 41, so as to limit the upper mold plate 31 or the lower mold plate 32, and the effect of connecting base 1 or the connecting base 2 is achieved.

Furthermore, one side of the return spring 44 close to the limiting block 42 is fixedly connected with the limiting block 42, and one side of the return spring 44 far away from the limiting block 42 is fixedly connected to the inner wall of the movable cavity 43;

when the automatic reset device works, the effect of automatic reset after the extrusion force received by the limiting block 42 disappears is achieved through the action of the reducing force of the reset spring 44.

Further, the release assembly comprises a butt joint groove 45, a butt joint block 46, a containing cavity 47, a moving groove 48, a rack plate 49, a gear 51, a connecting shaft 52 and a knob 53, wherein the butt joint groove 45 is formed in the bottom end of the limiting block 42, the top end of the butt joint block 46 is in butt joint with the butt joint groove 45, the butt joint block 46 is sleeved in the containing cavity 47, the containing cavity 47 is formed in the bottom end of the moving cavity 43, the moving groove 48 is formed in one side of the butt joint block 46, the rack plate 49 is fixedly connected in the moving groove 48, the gear 51 is meshed with the rack plate 49, and one side of the connecting shaft 52 is fixedly connected with the gear 51;

when the connection between the upper template 31 or the lower template 32 and the base 1 or the connecting base 2 is to be released, the rotating knob 53 drives the gear 51 to rotate through the connecting shaft 52, so that the rack plate 49 meshed with the gear 51 moves and drives the abutting block 46 to move synchronously, the abutting block 46 is inserted into the abutting groove 45 to extrude the limiting block 42, the limiting block 42 moves towards the inside of the movable cavity 43 under the action of the extrusion force to release the clamping with the limiting groove 41, and then the upper template 31 or the lower template 32 is pulled towards the direction far away from the base 1 or the connecting base 2 to release the connection between the upper template 31 or the lower template 32 and the base 1 or the connecting base 2.

Further, one side of the connecting shaft 52, which is far away from the gear 51, penetrates through the base 1 or the connecting seat 2 and extends to the outer side of the base 1 or the connecting seat 2, a knob 53 is fixedly connected to one side of the connecting shaft 52, which is far away from the gear 51, and anti-skid grains are arranged on the outer side of the knob 53;

in operation, the effect of conveniently rotating the connecting shaft 52 is achieved through the effect of the knob 53, and the effect of increasing the friction force is achieved through the effect of the anti-skidding threads arranged on the outer side of the knob 53 to prevent slipping when the knob 53 rotates.

Further, the sliding assembly comprises a sliding block 54 and a sliding groove 55, the sliding block 54 is fixedly connected to the top end of the side, close to the return spring 44, of the limiting block 42, the sliding block 54 is slidably connected inside the sliding groove 55, and the sliding groove 55 is formed in the top end of the movable cavity 43;

during operation, when the limiting block 42 moves, the sliding block 54 fixedly connected with the limiting block 42 slides in the sliding groove 55 synchronously, the moving distance of the limiting block 42 is limited through the combined action of the sliding block 54 and the sliding groove 55, and the limiting block 42 is prevented from moving excessively under the action of the reducing force of the return spring 44 and being separated from the inner part of the movable cavity 43.

Further, the bottom of the base 1 is provided with a heat dissipation mechanism, the heat dissipation mechanism comprises a soaking plate 61, heat dissipation fins 62, heat dissipation fans 63 and an air inlet 64, the soaking plate 61 is fixedly connected to the top end of the inner wall of the slot position set at the bottom of the base 1, the heat dissipation fins 62 are fixedly connected to the bottom end of the soaking plate 61, the heat dissipation fans 63 are fixedly connected to the bottom end of the inner wall of the slot position set at the bottom of the base 1, and the air inlet 64 is set at two sides of the slot position set at the bottom of the base 1;

the during operation, current injection mold mostly does not have the structure of assisting cooling to the work piece and accelerating work piece solidification, and then lead to work piece cooling solidification's speed slower, the efficiency of production has been reduced, the heat to the lower bolster 32 bottom through soaking plate 61's effect disperses, make the heat conduction to heat radiation fins 62 that the heat of lower bolster 32 bottom can be even, effect through heat radiation fins 62 plays the effect of increase and between the air area of contact, and then make the heat can be quick conduct dispel the heat to lower bolster 32 in the air, make the inside work piece of lower bolster 32 cool off the design fast, the effect through heat radiation fans 63 blows off the heat on with heat radiation fins 62 to the direction of keeping away from lower bolster 32, heat radiation fans 63 can produce the negative pressure of certain degree in the trench that base 1 bottom was seted up when carrying out work, inhale the trench to base 1 bottom with external fresh air through intake duct 64, and then play the effect of cooling to heat radiation fins 62 and accelerate work piece refrigerated speed.

Example two

Referring to fig. 5, as another embodiment of the present invention, further, a movable block 56 is fixedly connected to a position of the inner wall of the accommodating cavity 47, which is far away from the connecting shaft 52 and close to the top end, and the movable block 56 is slidably connected inside a movable groove 57, and the movable groove 57 is formed on a side of the abutting block 46, which is far away from the movable groove 48; during operation, the movable block 56 slides in the containing cavity 47 along with the movement of the abutting block 46, and the friction force between the abutting block 46 and the inner wall of the containing cavity 47 is reduced through the combined action of the movable block 56 and the movable groove 57, so that the abutting block 46 is prevented from being blocked due to the overlarge friction force between the abutting block 46 and the inner wall of the containing cavity 47 when moving.

The working principle is as follows: most of the existing injection molds for processing plastic products cannot replace the mold plates, the entire mold needs to be replaced when plastic products with different shapes are processed, which is time-consuming and labor-consuming, when the upper mold plate 31 or the lower mold plate 32 needs to be installed, firstly, the upper mold plate 31 or the lower mold plate 32 is inserted into the base 1 or the connecting seat 2, when the upper mold plate 31 or the lower mold plate 32 is inserted into the base 1 or the connecting seat 2, the two sides of the upper mold plate 31 or the lower mold plate 32 extrude the inclined surfaces arranged on the limiting blocks 42, the limiting blocks 42 move towards the inner part of the movable cavities 43 under the action of the extrusion force and extrude the return springs 44, so that the return springs 44 generate elastic deformation, when the upper mold plate 31 or the lower mold plate 32 is completely inserted into the base 1 or the connecting seat 2, the extrusion force of the upper mold plate 31 or the lower mold plate 32 on the limiting blocks 42 disappears, and the limiting blocks 42 are restored to the original positions under the action of the reduction force of the return springs 44 and clamped with the limiting grooves 41, so as to limit the upper mold plate 31 or the lower mold plate 32, and the effect of the connection between the upper mold plate 31 or the lower mold plate 32 and the base 1 or the connecting seat 2.

When the limiting block 42 moves, the sliding block 54 fixedly connected with the limiting block 42 synchronously slides in the sliding groove 55, the moving distance of the limiting block 42 is limited through the combined action of the sliding block 54 and the sliding groove 55, and the limiting block 42 is prevented from excessively moving and falling out of the movable cavity 43 under the action of the reducing force of the return spring 44.

When the connection between the upper die plate 31 or the lower die plate 32 and the base 1 or the connecting base 2 is to be released, the rotating knob 53 drives the gear 51 to rotate through the connecting shaft 52, so that the rack plate 49 meshed with the gear 51 moves and drives the abutting block 46 to move synchronously, the abutting block 46 is inserted into the abutting groove 45 to extrude the limiting block 42, the limiting block 42 moves towards the inside of the movable cavity 43 under the action of the extrusion force to release the clamping with the limiting groove 41, and then the upper die plate 31 or the lower die plate 32 is pulled towards the direction far away from the base 1 or the connecting base 2 to release the connection between the upper die plate 31 or the lower die plate 32 and the base 1 or the connecting base 2.

The existing injection mold mostly does not have a structure for assisting in cooling and accelerating the solidification of a workpiece, and further the cooling and solidifying speed of the workpiece is low, the production efficiency is reduced, the heat at the bottom end of the lower template 32 is dispersed through the effect of the soaking plate 61, the heat at the bottom end of the lower template 32 can be uniformly conducted to the radiating fins 62, the effect of increasing the contact area between the heat and the air is achieved through the effect of the radiating fins 62, and further the heat can be rapidly conducted to the air to dissipate the heat of the lower template 32, so that the workpiece inside the lower template 32 is rapidly cooled and shaped, the heat on the radiating fins 62 is blown out towards the direction far away from the lower template 32 through the effect of the radiating fan 63, the radiating fan 63 can generate negative pressure of a certain degree in a groove arranged at the bottom end of the base 1 when working, the external fresh air is sucked into the groove arranged at the bottom end of the base 1 through the air inlet 64, and further the cooling effect of the radiating fins 62 is achieved to accelerate the cooling speed of the workpiece.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims (6)

1. The utility model provides a plastic product's quick injection mold which characterized in that: comprises a base (1), a connecting seat (2), an upper template (31) and a lower template (32); the quick replacement mechanism is characterized in that a connecting seat (2) is arranged at the top end of the base (1), the upper template (31) is arranged inside the connecting seat (2), the lower template (32) is arranged inside the base (1), and quick replacement mechanisms are arranged between the two sides of the upper template (31) and the lower template (32) and between the base (1) and the connecting seat (2);

quick replacement mechanism includes spacing groove (41), stopper (42), activity chamber (43), reset spring (44), removes subassembly and slip subassembly, the both sides of cope match-plate pattern (31) and lower bolster (32) are seted up in spacing groove (41), one side and spacing groove (41) block of stopper (42), and the opposite side cover of stopper (42) establishes the inside in activity chamber (43), the both sides of establishing in base (1) and connecting seat (2) inside are seted up in activity chamber (43), reset spring (44) set up the inside in activity chamber (43), remove the bottom that the subassembly set up in activity chamber (43), the slip subassembly sets up the top that is close to reset spring (44) one side in stopper (42).

2. The rapid injection mold for plastic products of claim 1, wherein: one side of the reset spring (44) close to the limiting block (42) is fixedly connected with the limiting block (42), and one side of the reset spring (44) far away from the limiting block (42) is fixedly connected to the inner wall of the movable cavity (43).

3. The rapid injection mold for plastic products as claimed in claim 2, wherein: remove the subassembly and include butt groove (45), butt piece (46), accomodate chamber (47), shifting chute (48), rack plate (49), gear (51), connecting axle (52) and knob (53), the bottom at stopper (42) is seted up in butt groove (45), the top and butt groove (45) butt of butt piece (46), and butt piece (46) cover is established in the inside of accomodating chamber (47), accomodate the bottom of seting up in activity chamber (43) in chamber (47), one side at butt piece (46) is seted up in shifting chute (48) to shifting chute (48), gear (51) and rack plate (49) meshing, one side and gear (51) fixed connection of connecting axle (52).

4. The rapid injection mold for plastic products of claim 3, wherein: one side of the connecting shaft (52) far away from the gear (51) penetrates through the base (1) or the connecting seat (2) and extends to the outer side of the base (1) or the connecting seat (2), a knob (53) is fixedly connected to one side of the connecting shaft (52) far away from the gear (51), and anti-skid grains are arranged on the outer side of the knob (53).

5. The rapid injection mold for plastic products as claimed in claim 4, wherein: the sliding assembly comprises a sliding block (54) and a sliding groove (55), the sliding block (54) is fixedly connected to the top end of one side, close to the reset spring (44), of the limiting block (42), the sliding block (54) is connected to the inside of the sliding groove (55) in a sliding mode, and the sliding groove (55) is formed in the top end of the movable cavity (43).

6. The rapid injection mold for plastic products of claim 5, wherein: the bottom of base (1) is provided with heat dissipation mechanism, heat dissipation mechanism includes soaking plate (61), heat radiation fin (62), heat dissipation fan (63) and intake duct (64), soaking plate (61) fixed connection is on the top of the trench inner wall that base (1) bottom was seted up, heat radiation fin (62) fixed connection is in the bottom of soaking plate (61), heat dissipation fan (63) fixed connection is in the bottom of the trench inner wall that base (1) bottom was seted up, the both sides at the trench that base (1) bottom was seted up are seted up in intake duct (64).

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