CN210233833U

CN210233833U - Can get rid of stromatolite mould of cull automatically

Info

Publication number: CN210233833U
Application number: CN201921066441.6U
Authority: CN
Inventors: Lin Yang; 杨林; Shaowei Sun; 孙少伟; Zenghui Ma; 马增会
Original assignee: Huizhou Desay Precision Parts Co ltd
Current assignee: Huizhou Desay Precision Parts Co ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-04-03
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a laminated mold capable of automatically removing residual glue, which comprises a fixed mold, a middle mold and a movable mold, wherein mold cavities are arranged on both sides of the middle mold, mold cores are respectively arranged on one sides of the fixed mold and the movable mold close to the middle mold, and the adjacent mold cavities and the mold cores form a mold cavity when the mold is closed; the adhesive residue removing mechanism is arranged on one side of the fixed die close to the middle die or one side of the middle die close to the fixed die, the adhesive residue removing mechanism is arranged on the periphery of a runner of the fixed die or the middle die, the adhesive residue removing mechanism comprises a groove and a moving block, the groove is arranged on the periphery of a runner port of the fixed die or the middle die, the moving block is movably arranged in the groove and sleeved on the periphery of the runner, and the moving block moves to push out the adhesive residue on the periphery of the runner port; the residual glue removing mechanism is arranged on the lower side of the middle die or the fixed die. The utility model is used for take out the cull of runner mouth when stromatolite mould is moulded plastics.

Description

Can get rid of stromatolite mould of cull automatically

Technical Field

The utility model relates to a stromatolite mould technical field, concretely relates to can get rid of residual adhesive's stromatolite mould automatically.

Background

The mold is a key structure for molding the plastic part, the laminated mold is one of injection molds, the laminated mold is provided with a fixed mold, an intermediate mold and a movable mold, injection molding cavities are arranged between the fixed mold and the intermediate mold and between the intermediate mold and the movable mold, more products can be injected at one time, and compared with two sets of common mold injection molding, the cost of the mold can be reduced, the cost of one injection molding machine can also be saved, so that the injection molding efficiency can be improved, the production cost can also be reduced, and the laminated mold is popularized and used. The fixed mold and the intermediate mold of a common laminated mold need to be provided with runners, and the intermediate mold is movable, so that untight connection is easy to occur when the runners of the fixed mold and the intermediate mold are communicated during injection molding, molten glue can overflow from a joint between the two runners at the moment, glue residues are formed after cooling, and the glue residues affect the mold closing of the fixed mold and the intermediate mold if not timely processed, so that the mold closing is not in place, and the runners of the fixed mold and the intermediate mold are easy to damage.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to not enough in the background art, provide the stromatolite mould that can solve.

In order to solve the technical problem, the technical scheme of the utility model is that: a laminated mold capable of automatically removing residual glue comprises a fixed mold, an intermediate mold and a movable mold, wherein mold cavities are arranged on two sides of the intermediate mold, mold cores are respectively arranged on one sides, close to the intermediate mold, of the fixed mold and one side, close to the intermediate mold, of the movable mold, and the adjacent mold cavities and the mold cores form mold cavities when the mold cores are closed; the adhesive residue removing mechanism is arranged on one side of the fixed die close to the middle die or one side of the middle die close to the fixed die, the adhesive residue removing mechanism is arranged on the periphery of a runner of the fixed die or the middle die, the adhesive residue removing mechanism comprises a groove and a moving block, the groove is arranged on the periphery of a runner port of the fixed die or the middle die, the moving block is movably arranged in the groove and sleeved on the periphery of the runner, and the moving block moves to push out the adhesive residue on the periphery of the runner port; the residual glue removing mechanism is arranged on the lower side of the middle die or the fixed die.

Furthermore, the movable block is connected in the groove through a first spring, and the size of the movable block is consistent with that of the groove; the surface of the movable block is flush with the surface of the fixed die or the middle die where the groove is located when the first spring is in a natural state, and the movable block retracts into the groove when the first spring is compressed.

Furthermore, a first runner is arranged in the fixed die, a second runner and a branch runner communicating the second runner with the cavities of the two side dies are arranged in the middle die; the second runner is arranged on one side close to the fixed die, the first runner is communicated with the second runner to form a closed runner when the intermediate die and the fixed die are assembled, and the residual glue removing mechanism is arranged on the periphery of the first runner or the second runner; and a plurality of branch runners are arranged in the die cavities at two sides of the middle die.

Furthermore, the movable die and the middle die are connected with the fixed die through a linkage mechanism, and the movable die can drive the middle die to move towards the fixed die when moving towards the fixed die.

Further, the linkage mechanism comprises a first rack, a second rack and a gear, the gear is arranged on the middle die, the first rack is arranged on the fixed die, the second rack is arranged on the movable die, and the first rack and the second rack are respectively meshed with the gear on the upper side and the lower side of the gear.

Further, the linkage mechanism comprises a second spring, and the second spring is connected between the fixed die and the middle die.

Furthermore, the middle die and the fixed die and the middle die and the movable die are connected through guide rods.

The utility model discloses the beneficial effect who realizes mainly has following several: the residual glue removing mechanism is arranged on one side of the fixed die close to the middle die or one side of the middle die close to the fixed die, the residual glue removing mechanism comprises a groove and a moving block, the groove is arranged on the periphery of a runner port of the fixed die or the middle die, the moving block is movably arranged in the groove and sleeved on the periphery of the runner port, residual glue flowing out from a seam at the joint of the runner port on the fixed die and the middle die is positioned on the periphery of the runner port, namely the groove and the moving block, the moving block is outwards pushed out to release the residual glue positioned on the periphery of the runner port, so that the residual glue of the laminated die is removed, the fact that the fixed die and the middle die can be closed in place next time is guaranteed, the runner on the fixed die and the middle die can.

Drawings

Fig. 1 is an exploded view of a laminated mold (excluding a guide bar and other linkage mechanisms) viewed from a fixed mold side in a first embodiment of the present invention;

fig. 2 is an exploded view of a stack mold (excluding a guide bar and other linkages) viewed from a side of a driven mold according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of a fixed mold of a stack mold according to a first embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a residual glue removing mechanism of a laminated mold according to an embodiment of the present invention;

fig. 5 is a schematic front view of a laminated mold according to a second embodiment of the present invention;

fig. 6 is a schematic front view of a lamination mold according to a third embodiment of the present invention.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.

Detailed Description

To facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples.

Example one

Referring to fig. 1 to 4, a lamination mold capable of automatically removing residual glue can remove residual glue generated at the joint of two runners by a residual glue removing mechanism arranged on the mold. The laminated mold comprises a fixed mold 1, an intermediate mold 2 and a movable mold 3, mold cavities 21 are arranged on two sides of the intermediate mold 2, a mold core 11 and a mold core 31 are respectively arranged on one sides, close to the intermediate mold 2, of the fixed mold 1 and the movable mold 3, the mold core 11 is fixed on a mounting seat 13, the mold core 31 is fixed on a mounting seat 32, the two mold cavities 21 are respectively arranged on two sides of a mounting plate 24, and the shapes of the mold core 31 and the mold cavities 21 are arranged according to injection molding products; the adjacent mold cavity 21 and the mold core form a mold cavity when the mold is closed, namely the mold cavity formed by injection molding, so that two mold cavities are formed, and the two mold cavities can be simultaneously formed by injection molding, thereby improving the injection molding efficiency.

Referring to fig. 3 and 4, a residual glue removing mechanism 4 is arranged on one side of the fixed mold 1 close to the intermediate mold 2 or one side of the intermediate mold 2 close to the fixed mold 1, and the residual glue removing mechanism 4 is arranged on the periphery of a runner (at a glue outlet or near a glue inlet) of the fixed mold 1 or the intermediate mold 2. The cull removing mechanism 4 comprises a groove 41 and a moving block 42, the groove 41 is arranged at the periphery of a runner port of the fixed die 1 or the middle die 2, the moving block 42 is movably arranged in the groove 41 and sleeved at the periphery of the runner, so that the cull flowing out from a seam at the joint of the runner port on the fixed die 1 and the middle die 2 is positioned at the periphery of the runner port (namely in the groove 41 and on the moving block 42) during injection molding, and the moving block 42 is pushed outwards to push out the cull positioned at the periphery of the runner port. The movable block 42 can be driven to move by an air cylinder or a screw rod mechanism, the movable block 42 and a blanking ejector rod of a mold can be fixed together, and the push block is synchronously pushed to remove residual glue when the ejector rod pushes out materials after injection molding is completed. Go cull mechanism 4 and set up the downside at middle mould 2 or cover half 1 to cull directly drops downwards when getting rid of the cull, does not influence the product of moulding plastics.

Referring to fig. 1, a first flow passage 12 is arranged in the fixed die 1, and a second flow passage 22 and branch flow passages 23 communicating the second flow passage 22 with the die cavities 21 on the two sides are arranged in the middle die 2; the second runner 22 is arranged on one side close to the fixed die 1, and the second runner 22 is matched with the first runner 12, namely the calibers are consistent, so that the first runner 12 and the second runner 22 are just communicated and form a closed runner when the intermediate die 2 and the fixed die 1 are clamped. The cull removing mechanism 4 is arranged on the periphery of the first flow channel 12 or the second flow channel 22. The mold cavities 21 on the two sides of the middle mold 2 are internally provided with a plurality of branch runners 23, so that the speed of molten colloid entering the mold cavities during injection molding can be increased, and the injection molding efficiency is improved.

Referring to fig. 4, as a preferred embodiment, the back of the moving block 42 is connected to the bottom of the groove 41 through a first spring 43, and a guide rod may be further disposed between the moving block 42 and the groove 41 to guide the movement of the moving block. The size of the movable block 42 is consistent with that of the groove 41, the length and the width of the movable block 42 are consistent with those of the groove 41, and the thickness of the movable block 42 is smaller than that of the groove 41, so that the movable block 42 can elastically move in the groove 41, the surface of the movable block 42 is flush with the surface of the fixed die 1 or the middle die 2 where the groove 41 is located when the first spring 43 is in a natural state, and the movable block 42 retracts into the groove 41 when the first spring 43 is compressed. The drawing of the embodiment shows a structure that the cull removing mechanism 4 is arranged on the fixed mold 1, the cull removing mechanism 4 can also be arranged on the intermediate mold 2 according to the method, and the cull removing mechanism 4 can also be arranged on both the fixed mold 1 and the intermediate mold 2.

In the injection molding process, injection molding is started after the fixed mold and the intermediate film are matched, residual glue generated at the interface of the first flow channel 12 of the fixed mold 1 and the second flow channel 22 of the intermediate film can enter the periphery of the second flow channel 22 and the movable block 42, and the movable block 42 and the first spring 43 retract together after the residual glue occupies the space; when the fixed die 1 and the middle die 2 are separated, the first spring 43 rebounds, and during rebounding, the residual glue can be separated from the surfaces of the four walls of the groove, so that the residual glue is removed; even if part of residual glue is not removed, when the die is closed next time, the residual glue presses the moving block 42 again to enable the first spring 43 to retract, the residual glue cannot occupy the die closing space of the fixed die and the intermediate film, the fixed die and the intermediate die can still be closed in place, and injection molding is not influenced; the incomplete glue of the incomplete glue removing mechanism 4 can be manually treated once every interval, the incomplete glue is not manually treated once each injection molding, and the production efficiency can be improved.

Example two

Referring to fig. 5, in the laminated mold of the present embodiment, a linkage mechanism 5 is further provided on the basis of the first embodiment, the movable mold 3 and the intermediate mold 2 are connected to the fixed mold 1 through the linkage mechanism 5, and the movable mold 3 can drive the intermediate mold 2 to move towards the fixed mold 1 when moving towards the fixed mold 1.

The linkage mechanisms 5 are arranged on the side surface of the mold in the embodiment, and preferably, a group is arranged on the front side and the rear side of the mold respectively. The linkage mechanism 5 comprises a first rack 51, a second rack 52 and a gear 53, wherein the gear 53 is rotatably arranged on the side surface of the middle die 2, the first rack 51 is fixed on the side surface of the fixed die 1, the second rack 52 is fixed on the side surface of the movable die 3, and the first rack 51 and the second rack 52 are respectively meshed with the gear 53 on the upper side and the lower side of the gear 53. When the power mechanism on the injection molding machine drives the movable mold 3 to close the mold towards the fixed mold 1, the second rack 52 moves along with the movable mold so as to drive the gear 53 to rotate, and the first rack 51 and the fixed mold 1 are fixed together and cannot move, so that the gear 53 rotates on the first rack 51 so as to enable the intermediate mold 2 to move towards the fixed mold 1 to close the mold; the effective lengths of the two racks are consistent, so that the middle die can synchronously complete die assembly towards the fixed die and the movable die towards the middle die; in a similar way, when the power mechanism on the injection molding machine drives the movable mold 3 to move reversely, the synchronous mold separation of the movable mold and the middle mold and the synchronous mold separation of the middle mold and the fixed mold can be completed.

In addition, the intermediate die 2 and the fixed die 1 and the intermediate die 2 and the movable die 3 are connected through the guide rod 55, so that the intermediate die 2 and the movable die 3 can be ensured to move in the same direction through the guide of the guide rod, and the intermediate die 2 can also be supported.

EXAMPLE III

Referring to fig. 6, the entire stack mold of the present embodiment is the same as the second embodiment, and the difference is the structure of the linkage mechanism 5, in the present embodiment, the linkage mechanism 5 includes a second spring 54, the second spring 54 is connected between the fixed mold 1 and the middle mold 2, an independent guide post may be provided to sleeve the second spring on the periphery of the guide post, or the guide rod 55 may be directly used to install the second spring. When the die is closed in the injection molding process, the power mechanism on the injection molding machine drives the movable die 3 to move towards the fixed die 1, firstly, the movable die 3 moves to the position contacted with the intermediate die to realize the die closing of the movable die and the intermediate die, then, the movable die 3 and the intermediate die 2 compress the second spring 55 together to move towards the fixed die, and the die closing of the intermediate die and the fixed die is completed after the intermediate die is contacted with the fixed die; the process is opposite during the mould splitting, firstly the movable mould 3 and the middle mould 2 are away from the fixed mould 1 together until the second spring restores to the natural state, the mould splitting of the middle mould and the fixed mould is completed, and then the movable mould 3 continues to move to complete the mould splitting of the middle mould.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a can get rid of stromatolite mould of cull automatically which characterized in that: the die comprises a fixed die (1), an intermediate die (2) and a movable die (3), wherein die cavities (21) are formed in two sides of the intermediate die (2), die cores are respectively arranged on one sides, close to the intermediate die (2), of the fixed die (1) and the movable die (3), and the adjacent die cavities (21) and the die cores form die cavities when die assembly is carried out; the adhesive residue removing mechanism (4) is arranged on one side, close to the middle die (2), of the fixed die (1) or on one side, close to the fixed die (1), of the middle die (2), the adhesive residue removing mechanism (4) is arranged on the periphery of a runner of the fixed die (1) or the middle die (2), the adhesive residue removing mechanism (4) comprises a groove (41) and a moving block (42), the groove (41) is arranged on the periphery of a runner port of the fixed die (1) or the middle die (2), the moving block (42) is movably arranged in the groove (41) and is sleeved on the periphery of the runner port, and the moving block (42) moves to push out adhesive residue on the periphery of the runner port; the residual glue removing mechanism (4) is arranged on the lower side of the middle die (2) or the fixed die (1).

2. The laminating mold capable of automatically removing cull according to claim 1, wherein: the moving block (42) is connected in the groove (41) through a first spring (43), and the size of the moving block (42) is consistent with that of the groove (41); the surface of the movable block (42) is flush with the surface of the fixed die (1) or the middle die (2) where the groove (41) is located when the first spring (43) is in a natural state, and the movable block (42) retracts into the groove (41) when the first spring (43) is compressed.

3. The laminating mold capable of automatically removing cull according to claim 2, wherein: a first runner (12) is arranged in the fixed die (1), a second runner (22) and branch runners (23) communicating the second runner (22) with die cavities (21) on two sides are arranged in the middle die (2); the second runner (22) is arranged at one side close to the fixed die (1), the first runner (12) is communicated with the second runner (22) to form a closed runner when the intermediate die (2) and the fixed die (1) are assembled, and the residual glue removing mechanism (4) is arranged at the periphery of the first runner (12) or the second runner (22); and a plurality of branch runners (23) are arranged in the die cavities (21) at two sides of the middle die (2).

4. The laminating mold capable of automatically removing the residual glue according to any one of claims 1 to 3, wherein: the movable mould (3) and the middle mould (2) are connected with the fixed mould (1) through the linkage mechanism (5), and the movable mould (3) can drive the middle mould (2) to move towards the fixed mould (1) when moving towards the fixed mould (1).

5. The laminating mold capable of automatically removing cull according to claim 4, wherein: the linkage mechanism (5) comprises a first rack (51), a second rack (52) and a gear (53), the gear (53) is arranged on the middle die (2), the first rack (51) is arranged on the fixed die (1), the second rack (52) is arranged on the movable die (3), and the first rack (51) and the second rack (52) are respectively meshed with the gear (53) on the upper side and the lower side of the gear (53).

6. The laminating mold capable of automatically removing cull according to claim 4, wherein: the linkage mechanism (5) comprises a second spring (54), and the second spring (54) is connected between the fixed die (1) and the middle die (2).

7. The laminating mold capable of automatically removing cull according to claim 4, wherein: the middle die (2) is connected with the fixed die (1) and the middle die (2) is connected with the movable die (3) through guide rods (55).