CN210389962U

CN210389962U - Injection molding die for producing packaging tanks for polylactic acid materials

Info

Publication number: CN210389962U
Application number: CN201921246118.7U
Authority: CN
Inventors: 马学所; 刘俊峰
Original assignee: Nanjing Dingli Biotechnology Co Ltd
Current assignee: Nanjing Dingli Biotechnology Co Ltd
Priority date: 2019-08-03
Filing date: 2019-08-03
Publication date: 2020-04-24
Anticipated expiration: 2029-08-03

Abstract

The utility model discloses an injection moulding mould for producing polylactic acid material packing jar, including lower module and last module, it is located the upper end of module down to go up the module, the inside of module is provided with the groove of moulding plastics down, the die cavity has been seted up in the inslot of moulding plastics, the die cavity is a plurality of, and the even distribution of a plurality of die cavities is in the inslot of moulding plastics, the bottom of going up the module is connected with presses the module, it is a plurality of to press the module, the moulding-die piece of going up the module bottom is inserted and is arranged in the die cavity, the moulding-die piece internal fixation in the die cavity has the ring pipe. The utility model discloses a pressing module internal portion in the die cavity is fixed with the annular tube, can make recirculated cooling water pass through the inside of annular tube after the completion of moulding plastics, can be quick take away the heat in the mould, make polylactic acid material can rapid cooling shaping, it is faster than natural cooling one-tenth custom speed, improved production efficiency, comparatively practical, be fit for extensively promoting and using.

Description

Injection molding die for producing packaging tanks for polylactic acid materials

Technical Field

The utility model relates to a polylactic acid packing jar technical field specifically is an injection moulding mould for producing polylactic acid material packing jar.

Background

At present, polylactic acid, also called polylactide, belongs to a polyester family, is a polymer obtained by polymerizing lactic acid serving as a main raw material, has sufficient and renewable raw material sources, has good biodegradability and environment-friendly characteristics, and is an ideal green high polymer material.

Polylactic acid packing jar when injection moulding, need cool down and make its cooling shaping, traditional injection mold relies on the natural cooling shaping, can waste more time, is unfavorable for the rapid production of polylactic acid packing jar. Therefore, we propose an injection molding mold for producing a packaging can of polylactic acid material.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection moulding mould for producing polylactic acid material packing jar, through the inside ring pipe that is fixed with of moulding-die piece in the die cavity, can make recirculated cooling water pass through the inside of ring pipe after the completion of moulding plastics, can be quick take away the heat in the mould, make polylactic acid material can rapid cooling shaping, it is faster than natural cooling popular speed, and the production efficiency is improved, and is comparatively practical, is fit for extensively promoting and using, has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection moulding mould for producing polylactic acid material packing jar, includes module and last module down, it is located the upper end of module down to go up the module, the inside of module is provided with the groove of moulding plastics down, the die cavity has been seted up in the inslot of moulding plastics, the die cavity is a plurality of, and the even distribution of a plurality of die cavities is in the inslot of moulding plastics, the bottom of going up the module is connected with presses the module, it is a plurality of to press the module, the moulding module of going up the module bottom is inserted and is arranged in the die cavity, the inside ring-shaped pipe that is fixed with of moulding module in the die cavity, the mouth of moulding plastics has all been seted up at the both sides middle part of die cavity, the mouth of moulding plastics is through the pipe intercommunication.

As a preferred embodiment of the present invention, the upper end between the adjacent die cavities on the surface of the injection molding groove is connected with a plurality of connecting grooves.

As a preferred embodiment of the present invention, the upper module has two fixed screw blocks fixedly connected to the surfaces of both sides of the upper end.

As a preferred embodiment of the utility model, the left side upper end of annular tube is connected with the inlet tube, the inlet tube communicates with the annular tube.

As a preferred embodiment of the utility model, the right side upper end of annular pipe is connected with the outlet pipe, the outlet pipe communicates with the annular pipe.

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

1. the utility model discloses an injection moulding mould for producing polylactic acid material packing jar through the inside ring pipe that is fixed with of moulding-die piece in the die cavity, can make recirculated cooling water pass through the inside of ring pipe after the completion of moulding plastics, can be quick take away the heat in the mould, make polylactic acid material can the rapid cooling shaping, become popular speed faster than natural cooling, improved production efficiency.

2. The utility model discloses an injection moulding mould for producing polylactic acid material packing jar is connected with the spread groove through the upper end that makes between the adjacent die cavity in groove surface of moulding plastics, and the spread groove is a plurality ofly, and after injection moulding, the fashioned polylactic acid material in the spread groove is passed through at the top of each packing jar is connected, can be convenient after packing jar shaping, to the transfer and the packing of packing jar.

3. The utility model discloses an injection moulding mould for producing polylactic acid material packing jar, the equal fixedly connected with fixed spiral shell piece in upper end both sides surface through making the upper die piece, and fixed spiral shell piece is two, when needs use mould, can make the upper die piece through the quick fixing of the fixed spiral shell piece of upper end at cylinder or pneumatic cylinder lower extreme, convenient later use.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of an injection molding mold for producing a packaging can of polylactic acid material according to the present invention;

fig. 2 is the structural schematic diagram of the lower module overlooking injection molding die for producing the packaging can of the polylactic acid material.

In the figure: 1. a lower module; 2. an upper module; 3. an annular tube; 4. an injection molding port; 5. a die cavity; 6. injection molding a tube; 7. a conduit; 8. a water inlet pipe; 9. fixing the screw block; 10. pressing the module; 11. injection molding a groove; 12. a water outlet pipe; 13. and connecting the grooves.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an injection moulding mould for producing polylactic acid material packing jar, includes module 1 and last module 2 down, it is located the upper end of module 1 down to go up module 2, the inside of module 1 is provided with the groove 11 of moulding plastics down, mould groove 5 has been seted up in the groove 11 of moulding plastics, mould groove 5 is a plurality ofly, and the even distribution of a plurality of mould grooves 5 is in the groove 11 of moulding plastics, it presses module 10 to be connected with the bottom of going up module 2, it is a plurality of to press module 10, the moulding die 10 of going up 2 bottoms of module is inserted and is arranged in mould groove 5, the moulding die 10 inside of moulding die 5 in the mould groove is fixed with annular pipe 3, the mouth 4 of moulding plastics has all been seted up at the both sides middle part of mould groove 5, the mouth of moulding plastics 4 is through the injection pipe 6 intercommunications of pipe 7 and the lower.

In this embodiment (please refer to fig. 1), the annular pipe 3 is fixed inside the pressing module 10 in the cavity 5, and after the injection molding is completed, the circulating cooling water can pass through the inside of the annular pipe 3, so that the heat in the mold can be rapidly carried away, the polylactic acid material can be rapidly cooled and molded, the forming speed is faster than natural cooling, and the production efficiency is improved.

The upper end between the adjacent die cavities 5 on the surface of the injection molding groove 11 is connected with a plurality of connecting grooves 13, and the connecting grooves 13 are multiple.

In the embodiment (see fig. 1 and 2), the connecting grooves 13 are connected to the upper ends of the adjacent mold cavities 5 on the surface of the injection molding groove, and the connecting grooves 13 are multiple, so that after injection molding, the tops of the packaging cans are connected through the molded polylactic acid material in the connecting grooves 13, and the packaging cans can be conveniently transferred and packaged after being molded.

Wherein, the upper end both sides surface of going up module 2 all fixedly connected with fixed spiral shell piece 9, fixed spiral shell piece 9 is two.

In this embodiment (please refer to fig. 1), the two fixing screw blocks 9 are fixedly connected to the two side surfaces of the upper end of the upper module 2, and the number of the fixing screw blocks 9 is two, so that the upper module 2 can be quickly fixed to the lower end of the cylinder or the hydraulic cylinder through the fixing screw block 9 at the upper end when the mold is needed, and the use is convenient.

Wherein, the left side upper end of annular tube 3 is connected with inlet tube 8, inlet tube 8 and annular tube 3 intercommunication.

The upper end of the right side of the annular pipe 3 is connected with a water outlet pipe 12, and the water outlet pipe 12 is communicated with the annular pipe 3.

It should be noted that the utility model relates to an injection molding mold for producing a packaging can of polylactic acid material, which comprises a lower module 1, an upper module 2, a ring pipe 3, an injection port 4, a mold cavity 5, an injection pipe 6, a conduit 7, a water inlet pipe 8, a fixed screw block 9, a pressing module 10, an injection groove 11, a water outlet pipe 12 and a connecting groove 13, wherein the components are all universal standard components or components known by technicians in the field, the structure and principle of the components are known by technicians in the field through technical manuals or conventional experimental methods, when in work, the lower module 1 is fixed on the surface of an operating platform, the upper module 2 is fixed at the lower end of an air cylinder or a hydraulic cylinder through the fixed screw block 9 at the upper end, the injection pipe 6 is connected with a polylactic acid material supply device, the ring pipe 3 is connected with circulating cooling water through the water inlet pipe 8 and the water outlet pipe 12, then the upper module 2 is lowered by the operation of the air cylinder and the pressing, then, a polylactic acid material is introduced between the die cavity 5 and the die block 10 through the injection molding opening 4 through the injection molding pipe 6 and the guide pipe 7 to form the shape of the packaging can, then circulating cold water flows in the annular pipe 3, heat in the polylactic acid material can be quickly absorbed, the polylactic acid material is quickly cooled and molded, the upper module 2 is driven by the cylinder to move upwards after molding, at the moment, the molded polylactic acid packaging can inside can be taken out, and then injection molding can be continuously carried out.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an injection moulding mould for producing polylactic acid material packing jar, includes module (1) and last module (2) down, its characterized in that: go up module (2) and be located the upper end of lower module (1), the inside of lower module (1) is provided with the groove of moulding plastics (11), mould plastics and seted up die cavity (5) in groove (11), die cavity (5) are a plurality ofly, and a plurality of die cavity (5) even distribution in the groove of moulding plastics (11), the bottom of going up module (2) is connected with presses module (10), it is a plurality of to press module (10), press module (10) of going up module (2) bottom to insert and arrange in die cavity (5), press module (10) inside in die cavity (5) is fixed with ring venturi tube (3), mouth (4) of moulding plastics have all been seted up at the both sides middle part of die cavity (5), the mouth of moulding plastics (4) are through pipe (7) and injection molding pipe (6) intercommunication of being connected of lower module (1) lower extreme middle part.

2. The injection molding mold for producing the packaging can of polylactic acid material according to claim 1, wherein: the upper end between the adjacent die cavity (5) in groove (11) surface of moulding plastics is connected with connecting groove (13), connecting groove (13) are a plurality ofly.

3. The injection molding mold for producing the packaging can of polylactic acid material according to claim 1, wherein: the upper end two side surfaces of the upper module (2) are fixedly connected with two fixed screw blocks (9), and the number of the fixed screw blocks (9) is two.

4. The injection molding mold for producing the packaging can of polylactic acid material according to claim 1, wherein: the left side upper end of annular tube (3) is connected with inlet tube (8), inlet tube (8) and annular tube (3) intercommunication.

5. The injection molding mold for producing the packaging can of polylactic acid material according to claim 1, wherein: the upper end of the right side of the annular pipe (3) is connected with a water outlet pipe (12), and the water outlet pipe (12) is communicated with the annular pipe (3).