CN212045770U

CN212045770U - Plastic packaging precision mold

Info

Publication number: CN212045770U
Application number: CN202020382296.9U
Authority: CN
Inventors: 李利平; 黄世强
Original assignee: CHENGDU ZHONGKE PRECISION MOLD CO LTD
Current assignee: CHENGDU ZHONGKE PRECISION MOLD CO LTD
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-12-01
Anticipated expiration: 2030-03-24

Abstract

The utility model discloses a plastic envelope precision mold, including unable adjustment base and regulation pole, unable adjustment base's top is fixed with fixed die block, and the outside of fixed die block is connected with first hydro-cylinder, the inside fixed mounting of fixed die block has the setting module, the output of first hydro-cylinder is connected with the push pedal of moulding plastics, the internal connection of the push pedal of moulding plastics has the runner of moulding plastics, and the inside of the runner of moulding plastics has seted up the mould and has watered the groove to the top internal connection of runner of moulding plastics has the locking block, the right side fixed mounting of fixed die block has the second hydro-cylinder, and the upper right side fixed mounting of second hydro-cylinder has the feed cylinder, the bottom of feed cylinder is provided with the delivery pipe, and the end-to-end connection of delivery pipe has the head of. This precision mold of plastic envelope improves the quality of mould, and has guaranteed the precision of the push pedal of moulding plastics, improves the life-span of mould moreover.

Description

Plastic packaging precision mold

Technical Field

The utility model relates to a precision plastic package mold technical field specifically is a precision plastic package mold.

Background

With the development of integrated circuit products towards the direction of light weight, thinness and miniaturization, the demand on the micro-bridge MBF is increased, the design cavity position of the Mbf mold is the 180 × 8=1440 cavity, the demand cannot be met, and the Mbf plastic package mold with more cavity positions needs to be developed;

however, the quality of the common plastic-sealed precision mold is low, the precision of the injection molding push plate cannot be guaranteed, and the service life of the mold is short, so that the plastic-sealed precision mold is provided so as to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic envelope precision mold to at the bottom of solving the quality that proposes common plastic envelope precision mold among the above-mentioned background art, and can't guarantee the precision of the push pedal of moulding plastics, the problem that the life-span of mould is low moreover.

In order to achieve the above object, the utility model provides a following technical scheme: a plastic-sealed precision die comprises a fixed base and an adjusting rod, wherein a fixed bottom die is fixed at the top end of the fixed base, and the outer side of the fixed bottom die is connected with a first oil cylinder, the inside of the fixed bottom die is fixedly provided with a shaping module, the inside of the shaping module is provided with a sleeve, and the sleeve is internally connected with a sleeve rod, the output end of the first oil cylinder is connected with an injection molding push plate, and the bottom of the injection molding push plate is fixedly provided with a positioning ejector block, the inside of the injection molding push plate is connected with an injection molding sprue, the inside of the injection molding sprue is provided with a mold casting groove, a locking block is connected inside the upper part of the injection molding pouring gate, a second oil cylinder is fixedly arranged on the right side of the fixed bottom die, a charging barrel is fixedly arranged at the right upper part of the second oil cylinder, a guide pipe is arranged at the bottom of the charging barrel, and the tail end of the guide pipe is connected with an injection molding head, and the adjusting rod is arranged at the output end of the second oil cylinder.

Preferably, the fixed bottom die is connected with the injection molding push plate in a clamping manner, and 4 groups of first oil cylinders are uniformly arranged in the fixed bottom die.

Preferably, the sleeve evenly sets up in stock mould's inside, and the sleeve is the one-to-one setting with the loop bar to the connected mode of sleeve and loop bar is the block and is connected.

Preferably, the cross section of the injection molding gate is of a regular hexagon structure, and the mold casting groove is of an inclined structure in the injection molding gate.

Preferably, the injection molding pouring gate is connected with the injection molding push plate in an embedded manner, and the injection molding pouring gate is fixedly connected with the injection molding push plate through the locking block.

Preferably, the adjusting rod and the output terminal rod of the second oil cylinder form a rotating structure, and the central axis of the injection molding head arranged in the adjusting rod is overlapped with the central axis of the mold casting groove.

Compared with the prior art, the beneficial effects of the utility model are that: the plastic packaging precision mold improves the quality of the mold, ensures the precision of the injection molding push plate and prolongs the service life of the mold;

1. the injection molding gate and the injection molding push plate are arranged, the injection molding gate and the injection molding push plate are of insert structures, are fixedly arranged with the injection molding push plate through a locking block, and are made of powder steel (HRC 65-68), so that the quality and the service life of the mold are improved;

2. the injection molding device is provided with a first oil cylinder, a sleeve and a loop bar, the injection molding sprue of the mold is improved, 4 first oil cylinders are designed, and the accuracy of an injection molding push plate is ensured under the clamping setting action of the sleeve and the loop bar by adopting a hydraulic synchronizer;

3. the injection molding head and the charging barrel are provided with special superhard coatings, the service life of the injection molding head and the charging barrel reaches more than 20 ten thousand times, and the service life are greatly prolonged.

Drawings

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

FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;

fig. 3 is a schematic view of the connection overlooking structure of the fixing bottom die and the shaping module of the present invention;

fig. 4 is the utility model discloses the sprue of moulding plastics and the overall structure schematic diagram is connected to the locking piece.

In the figure: 1. a fixed base; 2. fixing the bottom die; 3. a first cylinder; 4. a shaping module; 5. a sleeve; 6. injection molding a push plate; 7. a loop bar; 8. positioning a top block; 9. injection molding a sprue; 10. pouring a groove in the mold; 11. a locking block; 12. a second cylinder; 13. a charging barrel; 14. a delivery pipe; 15. adjusting a rod; 16. an injection molding head.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a plastic-sealed precision mold comprises a fixed base 1, a fixed bottom mold 2, a first oil cylinder 3, a shaping module 4, a sleeve 5, an injection molding push plate 6, a loop bar 7, a positioning top block 8, an injection molding sprue 9, a mold casting groove 10, a locking block 11, a second oil cylinder 12, a charging barrel 13, a guide pipe 14, an adjusting rod 15 and an injection molding head 16, wherein the fixed bottom mold 2 is fixed at the top end of the fixed base 1, the first oil cylinder 3 is connected to the outer side of the fixed bottom mold 2, the shaping module 4 is fixedly installed inside the fixed bottom mold 2, the sleeve 5 is arranged inside the shaping module 4, the loop bar 7 is connected inside the sleeve 5, the injection push plate 6 is connected to the output end of the first oil cylinder 3, the positioning top block 8 is fixedly installed at the bottom of the injection push plate 6, the injection molding sprue 9 is connected inside the injection molding push plate 6, the mold casting groove 10 is formed inside the injection molding sprue 9, and the locking block 11 is, a second oil cylinder 12 is fixedly mounted on the right side of the fixed bottom die 2, a charging barrel 13 is fixedly mounted on the upper right side of the second oil cylinder 12, a guide pipe 14 is arranged at the bottom of the charging barrel 13, the tail end of the guide pipe 14 is connected with an injection molding head 16, and an adjusting rod 15 is mounted at the output end of the second oil cylinder 12.

As shown in fig. 1 and 2, the fixed bottom die 2 is connected with the injection push plate 6 in a clamping manner, and the first oil cylinders 3 are uniformly arranged in 4 groups in the fixed bottom die 2, so that the quality and the service life of the die are improved, the sleeves 5 are uniformly arranged in the shaping die 4, the sleeves 5 are arranged in one-to-one correspondence with the loop bars 7, and the sleeves 5 are connected with the loop bars 7 in a clamping manner, so that the sleeves 5 are conveniently connected with the loop bars 7;

like the cross section regular hexagon structure of injection moulding runner 9 in fig. 3 and fig. 4, and mould waters groove 10 and is the slope column structure in the inside of injection moulding runner 9, the runner 9 of moulding plastics of easy to assemble, injection moulding runner 9 is connected for inlaying with the connected mode of push pedal 6 of moulding plastics, and injection moulding runner 9 passes through locking block 11 and push pedal 6 fixed connection of moulding plastics, the precision of push pedal 6 of moulding plastics has been guaranteed, adjust pole 15 and the output terminal pole of second hydro-cylinder 12 and constitute rotation structure, and adjust the inside central axis that sets up of pole 15 that moulds plastics head 16 and the central axis that mould waters groove 10 coincide each other, conveniently mould plastics.

The working principle is as follows: when the plastic-sealed precision mold is used, the fixing base 1 is stably arranged at a proper position, the position of the adjusting rod 15 is convenient to adjust under the action of the second oil cylinder 12, the injection head 16 is arranged inside the left end of the adjusting rod 15, the position of the injection head 16 is convenient to adjust, the charging barrel 13 and the injection head 16 adopt special superhard coatings, the service life reaches more than 20 ten thousand times, and the service life are greatly prolonged;

under the action of the first oil cylinder 3, the injection push plate 6 is installed inside the fixed bottom die 2 in a lifting clamping mode, an injection sprue 9 of the die is improved, 4 first oil cylinders 3 are designed totally, under the clamping setting action of the sleeve 5 and the loop bar 7, a hydraulic synchronizer is adopted, the precision of the injection push plate 6 is guaranteed, the injection sprue 9 with the cross section being in a regular hexagon shape is installed inside the injection push plate 6 in an embedding mode, the injection push plate 6 is fixedly installed through the locking block 11, powder steel (HRC 65-68) is selected, the quality and the service life of the die are improved, and therefore a series of operations of the plastic-sealed precision die are completed.

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 precision mold of plastic envelope, includes unable adjustment base (1) and regulation pole (15), its characterized in that: the top of unable adjustment base (1) is fixed with fixed die block (2), and the outside of fixed die block (2) is connected with first hydro-cylinder (3), the inside fixed mounting of fixed die block (2) has a design module (4), and the inside of design module (4) is provided with sleeve (5), and the internal connection of sleeve (5) has loop bar (7), the output of first hydro-cylinder (3) is connected with injection moulding push pedal (6), and the bottom fixed mounting of injection moulding push pedal (6) has location kicking block (8), the internal connection of injection moulding push pedal (6) has injection moulding runner (9), and the inside of injection moulding runner (9) has seted up the mould and has watered groove (10), and the top internal connection of injection moulding runner (9) has locking block (11), the right side fixed mounting of fixed die block (2) has second hydro-cylinder (12), and the upper right side fixed mounting of second hydro-cylinder (12) has feed cylinder (13), the bottom of the charging barrel (13) is provided with a guide pipe (14), the tail end of the guide pipe (14) is connected with an injection molding head (16), and the adjusting rod (15) is installed at the output end of the second oil cylinder (12).

2. The precision plastic package mold according to claim 1, wherein: the fixed bottom die (2) is connected with the injection molding push plate (6) in a clamping manner, and 4 groups of first oil cylinders (3) are uniformly arranged in the fixed bottom die (2).

3. The precision plastic package mold according to claim 1, wherein: sleeve (5) evenly set up in the inside of stock mould piece (4), and sleeve (5) are the one-to-one setting with loop bar (7) to the connected mode of sleeve (5) and loop bar (7) is the block and is connected.

4. The precision plastic package mold according to claim 1, wherein: the cross section of the injection molding pouring gate (9) is of a regular hexagon structure, and the mold pouring groove (10) is of an inclined structure in the injection molding pouring gate (9).

5. The precision plastic package mold according to claim 1, wherein: the injection molding sprue (9) is connected with the injection molding push plate (6) in an embedded mode, and the injection molding sprue (9) is fixedly connected with the injection molding push plate (6) through a locking block (11).

6. The precision plastic package mold according to claim 1, wherein: the adjusting rod (15) and an output terminal rod of the second oil cylinder (12) form a rotating structure, and the central axis of an injection molding head (16) arranged in the adjusting rod (15) is overlapped with the central axis of the mold casting groove (10).