CN209775435U

CN209775435U - Novel injection mold time delay mechanism of loosing core

Info

Publication number: CN209775435U
Application number: CN201822217893.1U
Authority: CN
Inventors: 沈平
Original assignee: Nantong Jia Shun Molding Technology Co Ltd
Current assignee: Nantong Jia Shun Molding Technology Co Ltd
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2019-12-13
Anticipated expiration: 2028-12-27

Abstract

The utility model belongs to the technical field of the injection mold technique and specifically relates to a novel injection mold mechanism of loosing core that delays, including last module, well module and lower module, first shaping die cavity has been seted up at the bottom surface middle part of going up the module, the second shaping die cavity corresponding with first shaping die cavity position is seted up at the middle part of well module, the top surface of lower module is provided with the arch, the inside at second shaping die cavity is inserted to the arch, the guide arm that sets up to the lateral tilt is all installed to the bottom surface both sides of going up the module, and the inclination of two guide arms is the same, the guiding hole of pegging graft with two guide arm cooperations is seted up to the both sides of well module, the guiding hole sets up to the inclined hole the same with guide arm inclination, the first jack of pegging graft with two guide arm cooperations is seted. The utility model discloses be convenient for carry out the part of loosing core after the product shaping, it is comparatively simple and convenient, can improve the production efficiency of product.

Description

Novel injection mold time delay mechanism of loosing core

Technical Field

The utility model relates to an injection mold technical field especially relates to a novel injection mold mechanism of loosing core that delays.

Background

The injection mold is mostly composed of an upper mold part and a lower mold part, wherein the lower mold part is provided with a molding mold cavity which is opened upwards, the upper mold part covers the molding mold cavity on the lower mold part, molten plastic is injected into the molding mold cavity during injection molding, after a product in the molding mold cavity is molded, the upper mold part can be moved upwards to be separated from the lower mold part, and then the molded product can be taken out from the molding mold cavity. However, when the mold is opened, the molded product is often attached to the mold component due to the tightening force of the product, so that the part taking mechanism on the injection molding machine cannot take the part normally, and the production efficiency is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming of not being convenient for in-service use that exists among the prior art, and the novel injection mold mechanism of loosing core that delays that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The novel injection mold time-delay core pulling mechanism comprises an upper mold part, a middle mold part and a lower mold part, wherein a first molding mold cavity is formed in the middle of the bottom surface of the upper mold part, a second molding mold cavity corresponding to the first molding mold cavity is formed in the middle of the middle mold part, a protrusion is arranged on the top surface of the lower mold part and inserted into the second molding mold cavity, guide rods which are obliquely arranged to the outer side are mounted on two sides of the bottom surface of the upper mold part, the two guide rods have the same inclination angle, guide holes which are matched and spliced with the two guide rods are formed in two sides of the middle mold part, the guide holes are inclined holes which have the same inclination angle with the guide rods, and first jacks which are matched and spliced with the two guide rods are formed in two sides of the;

Stop gear is all installed to the top surface both sides of lower die piece, the below of lower die piece is provided with the sliding seat, all through first spring coupling between the top surface both sides of sliding seat and the bottom of two guide arms, the vertical stripper bar that installs in top surface middle part of sliding seat, the top of stripper bar runs through and sets up at lower die piece and protruding inside second jack and is connected with the stripper, the stripper is the same with bellied top surface size.

preferably, the limiting mechanism comprises limiting plates vertically arranged on two sides of the top surface of the lower module, a through hole is formed in the middle of each limiting plate, a limiting bolt horizontally arranged is inserted into the through hole, the end part of the outer side of each limiting bolt is connected with the outer side surface of each limiting plate through a second spring, and the second spring is movably sleeved outside each limiting bolt.

Preferably, the limiting mechanism comprises limiting plates vertically arranged on two sides of the top surface of the lower module, and the inner side surfaces of the limiting plates are connected with vertically arranged movable clamping plates through two third springs.

Preferably, the aperture of the first jack is not less than twice the diameter of the guide rod.

Preferably, the middle mold part consists of two half molds, the two guide holes are respectively positioned on the two half molds, and the second molding cavity consists of grooves formed on the inner side surfaces of the two half molds.

the utility model provides a novel injection mold mechanism of loosing core that delays, beneficial effect lies in: the utility model has the advantages of reasonable in design and convenient to use, be convenient for loose core after the product shaping and get the piece, it is comparatively simple and convenient, can improve the production efficiency of product.

Drawings

Fig. 1 is a cross-sectional view of a first embodiment of a novel injection mold time-delay core-pulling mechanism provided by the present invention;

Fig. 2 is a cross-sectional view of a second embodiment of the novel injection mold time-delay core-pulling mechanism provided by the utility model.

In the figure: the device comprises an upper die part 1, a first molding die cavity 2, a guide rod 3, a middle die part 4, a second molding die cavity 5, a guide hole 6, a lower die part 7, a protrusion 8, a first insertion hole 9, a first spring 10, a movable seat 11, a discharging rod 12, a limiting plate 13, a limiting bolt 14, a second spring 15, a third spring 16, a movable clamping plate 17, a discharging plate 18 and a half die 19.

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.

Referring to fig. 1, a novel injection mold mechanism of loosing core that delays, including last module 1, well module 4 and lower module 7, first forming die cavity 2 has been seted up at the bottom surface middle part of going up module 1, second forming die cavity 5 corresponding with first forming die cavity 2 position is seted up at the middle part of well module 4, the top surface of lower module 7 is provided with arch 8, arch 8 is inserted and is established the inside at second forming die cavity 5, the guide arm 3 that sets up to the outside slope is all installed to the bottom surface both sides of going up module 1, the inclination of two guide arms 3 is the same, guiding hole 6 with two guide arms 3 cooperation pegs graft is seted up to the both sides of well module 4, guiding hole 6 sets up the inclined hole the same with guide arm 3 inclination, first jack 9 with two guide arm 3 cooperation pegs graft is seted up to the both sides of lower module 7. The first insertion hole 9 has a diameter not smaller than twice the diameter of the guide bar 3, and this arrangement ensures that the guide bar 3 has a sufficient space for movement. The middle die part 4 consists of two half dies 19, the two guide holes 6 are respectively positioned on the two half dies 19, the second forming die cavity 5 consists of grooves formed in the inner side surfaces of the two half dies 19, the upper die part 1 moves upwards during core pulling, and the two guide rods 3 can push the two half dies 19 outwards along with the movement of the upper die part 1, so that a product in the second forming die cavity 5 can be exposed outside the die, and the product can be taken conveniently; during the injection molding operation, the upper mold 1 moves downwards, and the two guide rods 3 can move the two half molds 19 inwards along with the movement of the upper mold 1, so that the side edges of the second molding cavity 5 are in a closed state, and the injection molding operation is convenient.

The two sides of the top surface of the lower mould part 7 are provided with limiting mechanisms which are used for limiting the positions of the two half moulds 19. The limiting mechanism comprises limiting plates 13 vertically arranged on two sides of the top surface of the lower module 7, a through hole is formed in the middle of each limiting plate 13, a limiting bolt 14 horizontally arranged is inserted into each through hole, the end part of the outer side of each limiting bolt 14 is connected with the outer side surface of each limiting plate 13 through a second spring 15, and each second spring 15 is movably sleeved outside each limiting bolt 14. Two limit bolts 14 can always abut against the two sides of the middle module 4 under the action of second springs 15 for limiting the position of the middle module 4.

A movable seat 11 is arranged below the lower module 7, and both sides of the top surface of the movable seat 11 are connected with the bottom ends of the two guide rods 3 through first springs 10, wherein the first springs 10 can preferably be springs with relatively small elasticity. A discharging rod 12 is vertically arranged in the middle of the top surface of the movable seat 11, the top end of the discharging rod 12 penetrates through second jacks arranged in the lower die part 7 and the bulge 8 and is connected with a discharging plate 18, and the size of the discharging plate 18 is the same as that of the top surface of the bulge 8. When a product needs to be taken after injection molding, the upper mold part 1 moves upwards, the two half molds 19 are pushed outwards by the two guide rods 3, a product in the second molding mold cavity 5 is exposed outside the mold, and along with the movement of the upper mold part 1, the two guide rods 3 can pull the movable seat 11 to move upwards through the first spring 10, the discharging rod 12 and the discharging plate 18 jack up the molded product, the product can be separated from the bulge 8 quickly by the arrangement, the purpose of quick discharging can be achieved, and the effect of improving the production efficiency of the product is achieved.

referring to fig. 2, as another preferred embodiment of the present invention, the only difference from the previous embodiment is that the limiting mechanism includes a limiting plate 13 vertically installed on both sides of the top surface of the lower module 7, the inner side surface of the limiting plate 13 is connected with a vertically arranged movable clamp 17 through two third springs 16, and the two movable clamps 17 can always abut against both sides of the middle module 4 under the action of the third springs 16, so as to limit the position of the middle module 4 for convenient use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A novel injection mold time-delay core-pulling mechanism comprises an upper mold part (1), a middle mold part (4) and a lower mold part (7), wherein a first molding mold cavity (2) is formed in the middle of the bottom surface of the upper mold part (1), a second molding mold cavity (5) corresponding to the first molding mold cavity (2) in position is formed in the middle of the middle mold part (4), a protrusion (8) is arranged on the top surface of the lower mold part (7), the protrusion (8) is inserted into the second molding mold cavity (5), the novel injection mold time-delay core-pulling mechanism is characterized in that guide rods (3) which are obliquely arranged to the outer side are arranged on two sides of the bottom surface of the upper mold part (1), the two guide rods (3) have the same inclination angle, guide holes (6) which are matched and spliced with the two guide rods (3) are formed in two sides of the middle mold part (4), and the guide holes (6) are arranged, two sides of the lower module (7) are provided with first jacks (9) which are matched and spliced with the two guide rods (3); stop gear is all installed to the top surface both sides of lower die piece (7), the below of lower die piece (7) is provided with movable seat (11), all be connected through first spring (10) between the top surface both sides of movable seat (11) and the bottom of two guide arms (3), the vertical discharge bar (12) of installing in top surface middle part of movable seat (11), the top of discharge bar (12) is run through and is seted up die piece (7) and protruding (8) inside second jack and be connected with stripper (18) down, stripper (18) are the same with the top surface size of arch (8).

2. The novel injection mold delay core-pulling mechanism is characterized in that the limiting mechanism comprises limiting plates (13) vertically installed on two sides of the top surface of the lower mold part (7), a through hole is formed in the middle of each limiting plate (13), a horizontally-arranged limiting bolt (14) is inserted into each through hole, the end part of the outer side of each limiting bolt (14) is connected with the outer side surface of each limiting plate (13) through a second spring (15), and each second spring (15) is movably sleeved outside each limiting bolt (14).

3. The novel injection mold delay core-pulling mechanism as claimed in claim 1, wherein the limiting mechanism comprises limiting plates (13) vertically mounted on two sides of the top surface of the lower mold part (7), and the inner side surfaces of the limiting plates (13) are connected with vertically arranged movable clamping plates (17) through two third springs (16).

4. The novel injection mold delay core-pulling mechanism as claimed in claim 1, wherein the aperture of the first jack (9) is not less than twice the diameter of the guide rod (3).

5. A new type of injection mould delayed core-pulling mechanism according to claim 1, characterized in that the middle mould part (4) consists of two half moulds (19), the two guiding holes (6) are located on the two half moulds (19), respectively, and the second moulding cavity (5) consists of a groove opened on the inner side of the two half moulds (19).