CN213260874U

CN213260874U - Refrigerator hinge is oblique top device for injection mold

Info

Publication number: CN213260874U
Application number: CN202021152735.3U
Authority: CN
Inventors: 相伟民
Original assignee: Suzhou Kaicheng Plastic Co ltd
Current assignee: Suzhou Kaicheng Plastic Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-05-25
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a refrigerator hinge is oblique top mounted putting for injection mold, including the device main part, inside one side of device main part is fixed with the cylinder, the output of cylinder is connected with the piston, the piston is kept away from the one end of cylinder and is fixed with the push pedal, the surface of push pedal is fixed with wearing layer and oblique kicking block respectively, the inside top and bottom of device main part all is fixed with first spring, first spring is vertically fixed with the first movable block along oblique kicking block direction, the inside top and bottom of device main part all is fixed with the second spring, the second spring is vertically fixed with the second movable block along first movable block direction, one side of device main part is connected with first mould, the surface laminating of first mould has the second mould; this kind of push up device to one side, the drawing of patterns is quicker to one side, can be fine in the product separation effect, the unified shrink of high accuracy of push up to one side from top to bottom improves stability, and the convenient drawing of patterns of refrigerator hinge.

Description

Refrigerator hinge is oblique top device for injection mold

Technical Field

The utility model belongs to the technical field of the mould pushes up to one side, concretely relates to refrigerator hinge injection mold is with pushing up device to one side.

Background

The demoulding of the plastic part is the last link of injection moulding, and whether the demoulding structure is reasonable plays a crucial role in the quality of the plastic part.

The existing refrigerator hinge is obliquely pushed up device for injection mold, because the shape part of the refrigerator hinge is arc-shaped, the angle of the oblique pushing up movement is difficult to control accurately, the structure is too complex, different work can be completed by multiple structures, the hinge is demoulded, the separation stability is difficult to guarantee, and therefore the refrigerator hinge is obliquely pushed up device for injection mold is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a refrigerator hinge is oblique top device for injection mold to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an inclined ejecting device for a refrigerator hinge injection mold comprises a device main body, wherein a cylinder is fixed on one side inside the device main body, an output end of the cylinder is connected with a piston, a push plate is fixed on one end, far away from the cylinder, of the piston, a wear-resisting block and an inclined ejecting block are respectively fixed on the outer surface of the push plate, a first spring is fixed on each of the upper surface and the lower surface inside the device main body, a first moving block is vertically fixed on each of the first spring along the direction of the wear-resisting block, a second spring is fixed on each of the upper surface and the lower surface inside the device main body, a second moving block is vertically fixed on each of the second springs along the direction of the first moving block, a first mold is connected to one side of the device main body, a second mold is attached to the outer surface of the first mold, an injection upper mold and a lower mold are respectively fixed inside the first mold and the second mold, and hinge injection gaps are formed, the outer surface of the first moving block is fixed with a stop block, and the outer surface of the second moving block is fixed with a stop block.

Preferably, the contact surface of the first moving block and the wear-resistant block is an inclined surface, and the first moving block and the wear-resistant block are attached to each other.

Preferably, the wear-resisting blocks are provided with two wear-resisting blocks which are divided into an upper block and a lower block, and the wear-resisting blocks and the inclined ejecting blocks are integrally arranged and fixed with each other.

Preferably, the contact surface between the second moving block and the first moving block is an inclined surface, and the second moving block and the first moving block are attached to each other.

Preferably, a top rod is transversely fixed on the second moving block close to the injection upper model.

Preferably, one end, far away from the second moving block, of the ejector rod is communicated with the hinge injection molding gap.

Preferably, the second moving block close to the injection molding lower mold is communicated with the hinge injection molding gap.

Preferably, the number of the first moving blocks is two, the first moving blocks are arranged in an up-down mode, the upper first moving block is fixedly connected with the injection molding upper model, and the lower first moving block is fixedly connected with the injection molding lower model.

Preferably, the first spring and the second spring are both made of manganese steel materials, and the second spring is arc-shaped.

Preferably, the bottom of the stop block is an inclined plane, the top of the limiting block is an inclined plane, and the stop block and the limiting block are in sliding fit with each other.

Compared with the prior art, the beneficial effects of the utility model are that:

in the utility model, after the injection molding hinge is cooled, the second mold is opened, the cylinder is started to shrink the piston, the inclined ejector block and the wear-resistant block are driven to be recovered, because the wear-resistant block is in inclined plane contact with the first moving block, the wear-resistant block is recovered, the first moving block can be recovered by the first spring to recover the elastic vertical line to move the upper and lower two first moving blocks, and because the moving block is fixedly connected with the injection molding upper model and the injection molding lower model, the model is separated from the radian of the product, when the first moving block moves along the vertical line, the bottom of the second moving block loses the contact support of the first moving block and also moves, because the second spring is arc-shaped, the elastic output of the second spring is slower than that of the first spring, the stop block is forced to be arranged on the limit block to slide for a short distance, make the second movable block push up in the middle of going into first mould, hinge space of moulding plastics can directly be pushed up to the second movable block in below, and top second movable block can drive the ejecting hinge injection moulding product in the space of moulding plastics of ejector pin, and this kind of oblique top device, the drawing of patterns is more quick to one side, can be fine in product separation effect, the high-accuracy unified shrink of top from top to bottom to one side, improves stability, and the convenient drawing of patterns of refrigerator hinge.

Drawings

Fig. 1 is a schematic view of the overall cross-sectional structure of the present invention;

fig. 2 is a schematic side view of the first mold and the second mold of the present invention;

fig. 3 is a schematic partial structure diagram of the first moving block and the second moving block of the present invention;

fig. 4 is the structure diagram of the stopper and the limiting block of the present invention.

In the figure: 1. a device main body; 2. a cylinder; 3. a piston; 4. pushing the plate; 5. a wear-resistant block; 6. a slanted ejecting block; 7. a first spring; 8. a first moving block; 9. a second spring; 10. a first mold; 11. a second mold; 12. the hinge is used for injection molding a gap; 13. a top rod; 14. a second moving block; 15. injection molding an upper model; 16. Injection molding a lower model; 17. a stopper; 18. and a limiting block.

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.

Please refer to fig. 1-4, the utility model provides a pitched roof drawing of patterns is faster, can be fine in product separation effect, the high-accuracy unified shrink of pitched roof from top to bottom improves stability, the convenient drawing of patterns of refrigerator hinge, the technical scheme: an inclined ejecting device for an injection mold of a refrigerator hinge comprises a device main body 1, wherein a cylinder 2 is fixed on one side inside the device main body 1, an output end of the cylinder 2 is connected with a piston 3, a push plate 4 is fixed on one end, far away from the cylinder 2, of the piston 3, a wear-resisting block 5 and an inclined ejecting block 6 are respectively fixed on the outer surface of the push plate 4, first springs 7 are respectively fixed on the upper surface and the lower surface inside the device main body 1, first moving blocks 8 are vertically fixed on the first springs 7 along the direction of the wear-resisting block 5, second springs 9 are respectively fixed on the upper surface and the lower surface inside the device main body 1, second moving blocks 14 are vertically fixed on the second springs 9 along the direction of the first moving blocks 8, a first mold 10 is connected on one side of the device main body 1, a second mold 11 is attached to the outer surface of the first mold 10, an injection upper mold 15 and a lower mold 16 are respectively fixed inside the first mold 10 and the second mold 11, and hinge injection molding gaps 12 are formed in the first mold 10 and the second mold 11, a stop block 17 is fixed on the outer surface of the first moving block 8, and a stop block 18 is fixed on the outer surface of the second moving block 14.

In this embodiment, preferably, the contact surfaces of the first moving block 8 and the wear-resistant block 5 are inclined surfaces, and the first moving block 8 and the wear-resistant block 5 are attached to each other, so that the wear-resistant block 5 can be conveniently inserted into the first moving block 8.

In this embodiment, preferably, the wear-resistant blocks 5 are provided with two wear-resistant blocks, which are divided into an upper block and a lower block, and the wear-resistant blocks 5 and the inclined ejecting blocks 6 are integrally provided and fixed to each other, so as to increase the wear resistance of the inclined ejecting blocks 6.

In this embodiment, preferably, the contact surface between the second moving block 14 and the first moving block 8 is an inclined surface, and the second moving block 14 and the first moving block 8 are attached to each other, so that the second moving block 14 can slide conveniently.

In this embodiment, preferably, a top rod 13 is transversely fixed on the second moving block 14 close to the injection upper mold 15, and the second moving block 14 moves to drive the top rod 13 to move.

In this embodiment, preferably, one end of the top rod 13, which is far away from the second moving block 14, is communicated with the hinge injection molding gap 12, and the top rod 13 demolds the injection molded hinge product.

In this embodiment, preferably, the second moving block 14 close to the injection lower mold 16 is communicated with the hinge injection gap 12 to assist in demolding below the injection-molded hinge product.

In this embodiment, preferably, the number of the first moving blocks 8 is two, and the first moving blocks are arranged in an up-down manner, meanwhile, the upper first moving block 8 is fixedly connected with an injection upper mold 15, the lower first moving block 8 is fixedly connected with an injection lower mold 16, and the inward contraction of the first moving block 8 drives the injection upper mold 15 and the injection lower mold 16 to contract.

In this embodiment, preferably, the first spring 7 and the second spring 9 are both made of manganese steel material, and the second spring 9 is arc-shaped, and the vertical elasticity of the first spring 7 is faster than the elasticity of the second spring 9.

In this embodiment, preferably, the bottom of the stopper 17 is an inclined plane, the top of the limiting block 18 is an inclined plane, and the stopper 17 and the limiting block 18 are in sliding fit with each other, so that the stopper 17 can slide in the limiting block 18 when the piston 3 is retracted, and after the piston 3 is extended, the limiting block 18 can block the stopper 17 from sliding.

The utility model discloses a theory of operation and use flow: when a user needs to use the device, after the injection molding hinge is cooled, the second mold 11 is opened, the cylinder 2 is started to contract the piston 3, the inclined ejector block 6 and the wear-resistant block 5 are driven to be recovered, because the wear-resistant block 5 is in inclined surface contact with the first moving block 8, the wear-resistant block 5 is recovered, the first moving block 8 can be recovered by the first spring 7 to restore the elastic vertical line to move up and down the two first moving blocks 8, and because the moving blocks are fixedly connected with the injection molding upper mold 15 and the injection molding lower mold 16, the molds are separated from the radian of a product, when the first moving blocks 8 move in the vertical line, the bottom of the second moving block 14 loses the contact support of the first moving block 8 and also moves, because the second spring 9 is in an arc shape, the elastic output of the second spring 9 is slower than that of the first spring 7, the stop block 17 is forced to be placed on the limit block 18 to slide in a short distance, so that the second, the hinge injection molding gap 12 can be directly jacked into the second moving block 14 below, the second moving block 14 above can drive the ejector rod 13 to eject injection molding products in the hinge injection molding gap 12, finally, the cylinder 2 is started to push the piston 3, the wear-resistant block 5 and the inclined ejector block 6 are driven to move, the upper surface of the wear-resistant block 5 is cut into the bottom of the first moving block 8 again, the vertical line of the wear-resistant block outwards contracts the first spring 7, the stopper 18 in the first moving block 8 begins to move outwards firstly, the stopper 17 in the second moving block 14 can start to slide at the inclined top of the stopper 18 until the inclined ejector block 6 extends to be flush with the injection molding upper model 15 and the injection molding lower model 16, the stopper 17 can be located on one side of the stopper 18 and is clamped, and the second moving block 14 is prevented from moving downwards.

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 refrigerator hinge is oblique top device for injection mold, includes device main part (1), its characterized in that: a cylinder (2) is fixed on one side inside the device main body (1), a piston (3) is connected to the output end of the cylinder (2), a push plate (4) is fixed on one end, far away from the cylinder (2), of the piston (3), a wear-resistant block (5) and an inclined ejector block (6) are respectively fixed on the outer surface of the push plate (4), first springs (7) are fixed on the upper surface and the lower surface of the inside of the device main body (1), first moving blocks (8) are vertically fixed on the first springs (7) along the direction of the wear-resistant block (5), second springs (9) are fixed on the upper surface and the lower surface of the inside of the device main body (1), second moving blocks (14) are vertically fixed on the second springs (9) along the direction of the first moving blocks (8), a first mold (10) is connected on one side of the device main body (1), and a second mold (11) is attached to the outer surface of the first mold (, an injection molding upper model (15) and an injection molding lower model (16) are respectively fixed inside the first mold (10) and the second mold (11), hinge injection molding gaps (12) are formed in the first mold (10) and the second mold (11), a stop block (17) is fixed on the outer surface of the first moving block (8), and a stop block (18) is fixed on the outer surface of the second moving block (14).

2. The slanted ejecting device for the refrigerator hinge injection mold as claimed in claim 1, wherein: the contact surface of the first moving block (8) and the wear-resistant block (5) is an inclined surface, and the first moving block (8) and the wear-resistant block (5) are attached to each other.

3. The slanted ejecting device for the refrigerator hinge injection mold as claimed in claim 1, wherein: the wear-resistant blocks (5) are divided into an upper block and a lower block, and the wear-resistant blocks (5) and the inclined ejecting blocks (6) are integrally arranged and fixed with each other.

4. The slanted ejecting device for the refrigerator hinge injection mold as claimed in claim 1, wherein: the contact surface of the second moving block (14) and the first moving block (8) is an inclined surface, and the second moving block (14) and the first moving block (8) are attached to each other.

5. The slanted ejecting device for the refrigerator hinge injection mold as claimed in claim 1, wherein: and a top rod (13) is transversely fixed on the second moving block (14) close to the injection upper model (15).

6. The slanted ejecting device for the refrigerator hinge injection mold as claimed in claim 5, wherein: one end of the ejector rod (13) far away from the second moving block (14) is communicated with the hinge injection molding gap (12).

7. The slanted ejecting device for the refrigerator hinge injection mold as claimed in claim 1, wherein: the second moving block (14) close to the injection lower mold (16) is communicated with the hinge injection gap (12).

8. The slanted ejecting device for the refrigerator hinge injection mold as claimed in claim 1, wherein: the two first moving blocks (8) are arranged in total and are arranged in an up-down mode, meanwhile, the upper first moving block (8) is fixedly connected with an injection molding upper model (15), and the lower first moving block (8) is fixedly connected with an injection molding lower model (16).

9. The slanted ejecting device for the refrigerator hinge injection mold as claimed in claim 1, wherein: the first spring (7) and the second spring (9) are both made of manganese steel materials, and the second spring (9) is arc-shaped.

10. The slanted ejecting device for the refrigerator hinge injection mold as claimed in claim 1, wherein: the bottom of dog (17) is the inclined plane, the top of stopper (18) is the inclined plane, and dog (17) and stopper (18) sliding fit each other.