CN209987446U

CN209987446U - Automatic collapsible cutlery box make-up machine of PLA

Info

Publication number: CN209987446U
Application number: CN201920461550.1U
Authority: CN
Inventors: 严德平; 许建; 严书景; 张四化
Original assignee: Hefei Hengxin Environmental Protection Technology Co Ltd
Current assignee: Hefei Hengxin Life Technology Co.,Ltd.
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2020-01-24
Anticipated expiration: 2029-04-08

Abstract

The utility model belongs to the technical field of the PLA technique of moulding plastics and specifically relates to an automatic collapsible cutlery box make-up machine of PLA. The utility model discloses in, through setting up folding groove mould of fifty percent discount and the folding groove mould of corner in last mould both sides, set up horizontal folding groove mould in last mould bottom, and be provided with on the bed die inner wall with folding groove mould of fifty percent discount, the folding groove mould that folding groove mould of corner and horizontal folding groove mould correspond, the cutlery box that makes to mould plastics out can realize folding according to the folding groove, through having set up the electric plate on last mould inner wall, this electric plate heats at the in-process of moulding plastics, can slow down the solution and be pouring the setting time of in-process, realize evenly pouring, set up S type cooling tube through the inside at bed die bottom panel, pour the completion back, through opening the water pump, can be with the cooling water suction S type cooling tube in, pour the solidification of cutlery box with higher speed, accelerate the construction progress, produced cutlery box can realize folding, conveniently carry.

Description

Automatic collapsible cutlery box make-up machine of PLA

Technical Field

The utility model relates to a PLA technical field that moulds plastics specifically is an automatic collapsible cutlery box make-up machine of PLA.

Background

Polylactic acid (PLA) is a novel bio-based and renewable biodegradable material, and is prepared from starch raw materials provided by renewable plant resources (such as corn, cassava and the like). The starch raw material is saccharified to obtain glucose, the glucose and certain strains are fermented to prepare high-purity lactic acid, and the polylactic acid with certain molecular weight is synthesized by a chemical synthesis method. The PLA automatic foldable lunch box forming machine has good biodegradability, can be completely degraded by microorganisms in the nature under specific conditions after being used, finally generates carbon dioxide and water, does not pollute the environment, is very beneficial to protecting the environment, is a well-known environment-friendly material, and has increasing demand for the PLA automatic foldable lunch box forming machine.

Most cutlery boxes that exist on the existing market can't realize effectively folding, carry inconveniently, consequently, propose an automatic collapsible cutlery box make-up machine of PLA to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a PLA automatic folding lunch box forming machine, which arranges a folding groove mould and a corner folding groove mould at two sides of an upper mould, the bottom of the upper die is provided with a transverse folding groove die, the inner wall of the lower die is provided with a folding groove die corresponding to the folding groove die, the corner folding groove die and the transverse folding groove die, so that the injection-molded lunch box can be folded according to the folding groove, the inner wall of the upper die is provided with an electric heating plate, the electric heating plate is heated in the injection molding process, can slow down the solidification time of the solution in the pouring process, realizes uniform pouring, by arranging the S-shaped cooling pipe in the bottom panel of the lower die, after pouring is finished, by starting the water pump, the cooling water can be pumped into the S-shaped cooling pipe, solidification of the pouring lunch box is accelerated, and construction progress is accelerated, so that the problems in the background art are solved.

In order to achieve the above object, the utility model provides a following technical scheme:

a PLA automatic folding lunch box forming machine comprises a lower die and an upper die, wherein a base is fixedly arranged at the bottom inside the lower die, an S-shaped cooling pipe is laid inside a bottom plate of the lower die, an S-shaped heat exchange pipe is arranged at the left side inside the base, a heat radiation fan is arranged on a panel at the left side of the base, a water inlet pipe orifice of the S-shaped heat exchange pipe is connected with a water outlet pipe orifice of the S-shaped cooling pipe, a cooling water tank and a water pump are fixedly arranged on the bottom plate inside the base from left to right in sequence, the water outlet pipe orifice of the S-shaped heat exchange pipe is connected with the cooling water tank, the cooling water tank is connected with a water receiving pipe of the water pump through a pipeline, a water outlet pipe of the water pump is connected with a water inlet pipe orifice of the S-shaped cooling pipe, a vent is arranged, the folding groove die is characterized in that a corner folding groove die is arranged on the upper die at the bottom of the folding groove die, and a transverse folding groove die connected with the two folding groove dies is arranged at the bottom of the upper die.

Preferably, the inner wall of the lower die is provided with a folding groove die corresponding to the folding groove die folded in half and the corner folding groove die on two sides of the upper die, and the bottom plate of the lower die is provided with a folding die corresponding to the transverse folding groove die of the upper die.

Preferably, the upper die is hollow, and an electric heating plate is arranged on the inner wall of the upper die.

Preferably, an injection nozzle is arranged on the left side of the lower die.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up fifty percent discount folding groove mould and corner folding groove mould in last mould both sides, set up horizontal folding groove mould in last mould bottom, and be provided with on the lower mould inner wall with the folding groove mould of fifty percent discount, the folding groove mould that corner folding groove mould and horizontal folding groove mould correspond, the cutlery box that makes the ejection of plastics can realize folding according to the folding groove, through having set up the electric plate on last mould inner wall, this electric plate heats at the in-process of moulding plastics, can slow down the solution and build the solidification time of in-process, realize evenly pouring, set up S type cooling tube through the inside at lower mould bottom panel, pour the completion back, through opening the water pump, can be with the cooling water suction in the S type cooling tube, pour solidification of cutlery box with higher speed, accelerate the construction progress.

Drawings

Fig. 1 is a schematic view of the overall structure of a PLA automatic foldable lunch box forming machine of the present invention;

FIG. 2 is a schematic view of the internal structure of the lower mold bottom plate of the PLA automatic foldable lunch box forming machine of the present invention;

fig. 3 is the utility model relates to an automatic collapsible cutlery box make-up machine base inner structure schematic diagram of PLA.

In the figure: 1. a lower die; 2. a base; 3. an upper die; 4. folding the folding groove mould in half; 5. a corner folding groove die; 6. an S-shaped cooling tube; 7. an S-shaped heat exchange tube; 8. a cooling water tank; 9. a water pump; 10. a heat radiation fan; 11. and a vent.

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. 1-3, the present invention provides a technical solution:

a PLA automatic folding lunch box forming machine comprises a lower die 1 and an upper die 3, wherein the bottom inside the lower die 1 is fixedly provided with a base 2, an S-shaped cooling pipe 6 is laid inside the bottom plate of the lower die 1, the left side inside the base 2 is provided with an S-shaped heat exchange pipe 7, a left side panel of the base 2 is provided with a cooling fan 10, a water inlet pipe port of the S-shaped heat exchange pipe 7 is connected with a water outlet pipe port of the S-shaped cooling pipe 6, a cooling water tank 8 and a water pump 9 are sequentially and fixedly arranged on the bottom plate inside the base 2 from left to right, a water outlet pipe port of the S-shaped heat exchange pipe 7 is connected with the cooling water tank 8, the cooling water tank 8 is connected with a water receiving pipe of the water pump 9 through a pipeline, a water outlet pipe of the water pump 9 is connected with a water inlet pipe port of the S-shaped cooling pipe 6, the, the upper die 3 at the bottom of the folding groove die 4 is provided with a corner folding groove die 5, and the bottom of the upper die 3 is provided with a transverse folding groove die for connecting the two folding groove dies 4.

Further, folding groove molds corresponding to a folding groove mold 4 and a corner folding groove mold 5 which are folded in half on two sides of the upper mold 3 are arranged on the inner wall of the lower mold 1, and folding molds corresponding to a transverse folding groove mold of the upper mold 3 are arranged on a bottom plate of the lower mold 1.

Furthermore, the upper die 3 is hollow, and an electric heating plate is arranged on the inner wall of the upper die 3.

Further, an injection nozzle is arranged on the left side of the lower die 1.

The working principle is as follows: by arranging a folding groove mould and a corner folding groove mould on two sides of an upper mould, arranging a transverse folding groove mould at the bottom of the upper mould, and the inner wall of the lower mould is provided with a folding groove mould corresponding to the folding groove mould, the corner folding groove mould and the transverse folding groove mould, so that the injection-molded lunch box can be folded according to the folding groove, and the inner wall of the upper mould is provided with an electric heating plate, the electric heating plate is heated in the injection molding process, can slow down the solidification time of the solution in the pouring process, realizes uniform pouring, by arranging the S-shaped cooling pipe in the bottom panel of the lower die, after pouring is finished, by starting the water pump, cooling water can be pumped into the S-shaped cooling pipe to accelerate solidification of the poured lunch box and construction progress, this former, convenient operation, the cutlery box of producing can realize folding, saves the space of carrying, suitable using widely.

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 an automatic collapsible cutlery box make-up machine of PLA, includes bed die (1) and last mould (3), its characterized in that: the inner bottom of the lower die (1) is fixedly provided with a base (2), an S-shaped cooling pipe (6) is laid in a bottom plate of the lower die (1), an S-shaped heat exchange pipe (7) is arranged on the left side in the base (2), a heat radiation fan (10) is arranged on a left side panel of the base (2), a water inlet pipe orifice of the S-shaped heat exchange pipe (7) is connected with a water outlet pipe orifice of the S-shaped cooling pipe (6), a cooling water tank (8) and a water pump (9) are fixedly arranged on the bottom plate in the base (2) from left to right in sequence, a water outlet pipe orifice of the S-shaped heat exchange pipe (7) is connected with the cooling water tank (8), the cooling water tank (8) is connected with a water receiving pipe of the water pump (9) through a pipeline, a water outlet pipe of the water pump (9) is connected with a water inlet pipe orifice of the S-shaped cooling, the upper die (3) is arranged at the top of the lower die (1), the two sides of the upper die (3) are provided with folding groove dies (4), the upper die (3) at the bottom of the folding groove dies (4) is provided with corner folding groove dies (5), and the bottom of the upper die (3) is provided with a transverse folding groove die for connecting the two folding groove dies (4).

2. A PLA auto-foldable cutlery box forming machine as claimed in claim 1, wherein: folding groove molds corresponding to the folding groove molds (4) and the corner folding groove molds (5) in the two-side folding of the upper mold (3) are arranged on the inner wall of the lower mold (1), and folding molds corresponding to the transverse folding groove molds of the upper mold (3) are arranged on the bottom plate of the lower mold (1).

3. A PLA auto-foldable cutlery box forming machine as claimed in claim 1, wherein: the upper die (3) is hollow, and an electric heating plate is arranged on the inner wall of the upper die (3).

4. A PLA auto-foldable cutlery box forming machine as claimed in claim 1, wherein: an injection nozzle is arranged on the left side of the lower die (1).