CN213353331U

CN213353331U - But injection mold of fast demoulding

Info

Publication number: CN213353331U
Application number: CN202021499555.2U
Authority: CN
Inventors: 唐付业
Original assignee: Suzhou Denis Alwayseal Technology Ltd
Current assignee: Suzhou Denis Alwayseal Technology Ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-06-04
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses an injection mold that can demold fast belongs to the injection mold field, including last mould, lower mould, die holder and bottom plate, it links to each other through the guide bar with the lower mould to go up the mould, the die holder is located between lower mould and the bottom plate, be equipped with the fly leaf on the bottom plate, the fly leaf passes through the connecting rod with the lower mould and links to each other, be equipped with die and runner on the last mould, the die is worn to locate by the runner, be equipped with the terrace die on the lower mould, go up when the mould with the lower mould when the combination die cavity between die and the terrace die, the die side is equipped with a set of hydraulic cylinder. The injection mold capable of rapidly demolding can rapidly demold after injection molding of products, and can effectively improve the processing efficiency of the products.

Description

But injection mold of fast demoulding

Technical Field

The utility model belongs to the injection mold field specifically, relates to a but injection mold of fast demoulding.

Background

With the continuous development of the automobile industry, the demand of injection molding parts for automobile production is increasing. The automobile box adopts an injection mold to enable plastic particles to be molded in the mold after high-temperature melting. The injection mold can enable the product to have a complete structure and accurate size, and is suitable for batch production.

Traditional injection mold relies on the power supply to drive the movable mould and removes when carrying out the drawing of patterns, because the power supply during the drawing of patterns is unanimous with the power supply during the punching press, therefore its power is great, and the stroke is far away, and it is longer to accomplish the required time of drawing of patterns, leads to the unable further improvement of product machining efficiency.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a but injection mold of fast demoulding, but this kind of injection mold of fast demoulding can carry out fast demoulding after product injection moulding, can effectively improve product machining efficiency.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a but injection mold of fast demoulding, includes mould, lower mould, die holder and bottom plate, it passes through the guide bar with the lower mould and links to each other to go up the mould, the die holder is located between lower mould and the bottom plate, be equipped with the fly leaf on the bottom plate, the fly leaf passes through the connecting rod with the lower mould and links to each other, upward be equipped with die and runner on the mould, the die is worn to locate by the runner, be equipped with the terrace die on the lower mould, form the die cavity between die and the terrace die when going up mould and lower mould combination, the die side is equipped with a set of. The hydraulic cylinder can provide driving force for the upper die and the lower die during demolding, so that rapid demolding operation is performed, the movement stroke of the upper die is reduced, and the product processing efficiency can be effectively improved.

Furthermore, the female die comprises a first module, a second module, a third module and a fourth module, and the first module, the second module, the third module and the fourth module are sequentially connected to form a concave female die.

Furthermore, hydraulic cylinders are arranged on the outer sides of the first module, the second module and the third module. The three side surfaces are provided with the hydraulic cylinders, so that the upper die can be driven by a large force, the rapid demoulding is convenient, and the force applied to the upper die is balanced.

Furthermore, the first module, the second module and the third module are provided with oblique through holes, the lower die is provided with a group of oblique guide pillars, the shape and the size of the oblique guide pillars correspond to those of the oblique through holes, and the oblique guide pillars are combined with the oblique through holes when the upper die and the lower die are combined. The hydraulic cylinder drives the first module, the second module and the third module to move along the inclined guide pillar, so that the position deviation of the upper die can be reduced, and the position accuracy during die assembly is guaranteed.

Furthermore, a wedge-shaped groove is formed in the second module, a fixing block is arranged on the lower die, the fixing block corresponds to the groove in shape and size, and the fixing block is combined with the groove when the upper die and the lower die are combined. The fixing block and the groove can enhance the fixing effect when the upper die and the lower die are combined, and prevent the position from moving to influence the processing quality of products.

Furthermore, a group of clamping grooves are formed in the lower die, the width of each clamping groove is the width of the end portion of the movable end of the hydraulic cylinder, and the positions of the clamping grooves correspond to the positions of the end portions of the movable ends of the hydraulic cylinder. After the hydraulic cylinder is started, the movable end of the hydraulic cylinder is propped against the clamping groove, so that the hydraulic cylinder can be prevented from driving the upper die to deviate in position.

Further, the sprue outer sleeve is provided with a sprue sleeve. The sprue bush can prevent injection molding liquid from remaining in the upper die to influence the processing quality of products.

Further, a guide sleeve is sleeved outside the guide rod. The guide sleeve can further enhance the fixing effect when the upper die and the lower die are combined.

Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: the utility model provides a pair of but injection mold of fast demoulding, this kind of but injection mold of fast demoulding simple structure, convenient to use, the hydraulic cylinder can provide drive power for last mould and lower mould when the drawing of patterns, carries out the operation of fast demoulding, reduces and goes up mould motion stroke, can effectively improve product machining efficiency.

Drawings

FIG. 1 is a schematic view of a rapid demolding injection mold according to the present invention;

FIG. 2 is a top mold structure according to the present invention;

FIG. 3 is a lower mold structure diagram of the present invention;

fig. 4 is a structure diagram of the fixing block of the present invention.

In the figure: 1 upper die, 11 female die, 111 first die block, 112 second die block, 1121 groove, 113 third die block, 114 fourth die block, 12 gates, 121 gate sleeve, 13 guide sleeve, 14 hydraulic cylinder, 2 lower die, 21 male die, 22 guide rod, 23 inclined guide rod, 24 fixed block, 25 clamping groove, 3 die holder, 4 bottom plate, 41 movable plate and 42 connecting rod.

Detailed Description

The invention will be further elucidated with reference to the drawings and the following specific embodiments.

Example 1

As shown in fig. 1-3, an injection mold capable of rapidly demolding comprises an upper mold 1, a lower mold 2, a mold base 3 and a bottom plate 4, wherein the upper mold 1 is connected with the lower mold 2 through a guide rod 22, the mold base 3 is arranged between the lower mold 2 and the bottom plate 4, a movable plate 41 is arranged on the bottom plate 4, the movable plate 41 is connected with the lower mold 2 through a connecting rod 42, a female mold 11 and a pouring gate 12 are arranged on the upper mold 1, the pouring gate 12 penetrates through the female mold 11, a male mold 21 is arranged on the lower mold 2, a cavity is formed between the female mold 11 and the male mold 21 when the upper mold 1 is combined with the lower mold 2, a group of hydraulic cylinders 14 are arranged on the side surface of the female mold.

The female die 11 comprises a first module 111, a second module 112, a third module 113 and a fourth module 114, wherein the first module 111, the second module 112, the third module 113 and the fourth module 114 are sequentially connected to form the concave female die 11. The hydraulic cylinders 14 are arranged outside the first module 111, the second module 112 and the third module 113.

Example 2

As shown in fig. 1-4, an injection mold capable of rapidly demolding comprises an upper mold 1, a lower mold 2, a mold base 3 and a bottom plate 4, wherein the upper mold 1 is connected with the lower mold 2 through a guide rod 22, a guide sleeve 13 is sleeved outside the guide rod 22, the mold base 3 is arranged between the lower mold 2 and the bottom plate 4, a movable plate 41 is arranged on the bottom plate 4, the movable plate 41 is connected with the lower mold 2 through a connecting rod 42, a female mold 11 and a gate 12 are arranged on the upper mold 1, a gate sleeve 121 is sleeved outside the gate 12, the gate 12 penetrates through the female mold 11, a male mold 21 is arranged on the lower mold 2, a cavity is formed between the female mold 11 and the male mold 21 when the upper mold 1 and the lower mold 2 are combined, a group of hydraulic cylinders 14 is arranged on the side surfaces of the. A group of clamping grooves 25 are formed in the lower die 2, the width of each clamping groove 25 is the width of the end portion of the movable end of the hydraulic cylinder 14, and the positions of the clamping grooves 25 correspond to the positions of the end portions of the movable ends of the hydraulic cylinder 14.

The female die 11 includes a first module 111, a second module 112, a third module 113, and a fourth module 114, and the first module 111, the second module 112, the third module 113, and the fourth module 114 are sequentially connected to form the female die 111. The hydraulic cylinders 14 are arranged outside the first module 111, the second module 112 and the third module 113. The first module 111, the second module 112 and the third module 113 are provided with oblique through holes, the lower die 2 is provided with a group of oblique guide posts 23, the shape and size of the oblique guide posts 23 correspond to those of the oblique through holes, and the oblique guide posts 23 are combined with the oblique through holes when the upper die 1 and the lower die 2 are combined.

In addition, a wedge-shaped groove 1121 is formed in the second module 112, a fixing block 24 is arranged on the lower die 2, the shape and the size of the fixing block 24 correspond to those of the groove 1121, and the fixing block 24 is combined with the groove 1121 when the upper die 1 and the lower die 2 are combined.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a but injection mold of quick drawing of patterns which characterized in that: including last mould (1), lower mould (2), die holder (3) and bottom plate (4), it links to each other through guide bar (22) with lower mould (2) to go up mould (1), between lower mould (2) and bottom plate (4) are located in die holder (3), be equipped with fly leaf (41) on bottom plate (4), fly leaf (41) link to each other through connecting rod (42) with lower mould (2), be equipped with die (11) and runner (12) on going up mould (1), die (11) are worn to locate in runner (12), be equipped with terrace die (21) on lower mould (2), form the die cavity between die (11) and terrace die (21) when going up mould (1) and lower mould (2) combination, die (11) side is equipped with a set of hydraulic cylinder (14), hydraulic cylinder (14) expansion end is towards lower mould (2) upper surface.

2. The rapidly demoldable injection mold according to claim 1, wherein: the female die (11) comprises a first module (111), a second module (112), a third module (113) and a fourth module (114), and the first module (111), the second module (112), the third module (113) and the fourth module (114) are sequentially connected to form the concave female die (11).

3. The rapidly demoldable injection mold according to claim 2, wherein: and hydraulic cylinders (14) are arranged on the outer sides of the first module (111), the second module (112) and the third module (113).

4. A rapid-release injection mold according to claim 2 or 3, wherein: the first module (111), the second module (112) and the third module (113) are provided with inclined through holes, the lower die (2) is provided with a group of inclined guide columns (23), the inclined guide columns (23) correspond to the inclined through holes in shape and size, and the inclined guide columns (23) are combined with the inclined through holes when the upper die (1) and the lower die (2) are combined.

5. The rapidly demoldable injection mold according to claim 4, wherein: a wedge-shaped groove (1121) is formed in the second module (112), a fixing block (24) is arranged on the lower die (2), the fixing block (24) corresponds to the groove (1121) in shape and size, and the fixing block (24) is combined with the groove (1121) when the upper die (1) and the lower die (2) are combined.

6. A rapid-release injection mold as claimed in claim 1 or 5, wherein: the lower die (2) is provided with a group of clamping grooves (25), the width of each clamping groove (25) is the width of the end part of the movable end of the hydraulic cylinder (14), and the positions of the clamping grooves (25) correspond to the positions of the end parts of the movable ends of the hydraulic cylinder (14).

7. The rapidly demoldable injection mold according to claim 1, wherein: and a sprue bush (121) is sleeved outside the sprue (12).

8. The rapidly demoldable injection mold according to claim 1, wherein: and a guide sleeve (13) is sleeved outside the guide rod (22).