CN212372529U

CN212372529U - Supercritical foaming equipment for sole

Info

Publication number: CN212372529U
Application number: CN202020647917.1U
Authority: CN
Inventors: 余新军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-01-19
Anticipated expiration: 2030-04-26

Abstract

The utility model relates to the technical field of supercritical foaming, in particular to a sole supercritical foaming device, which comprises an upper shell and a lower shell; the lower shell comprises a foaming cavity and an energy storage cavity; a heating element is arranged in the foaming cavity; the sole supercritical foaming equipment also comprises an air inlet pipe and an inert gas tank; one end of the air inlet pipe is communicated with the inert gas tank; the other end of the air inlet pipe is communicated with the foaming cavity; the lower shell is rotatably provided with a rotating shaft; the rotating shaft is arranged in the energy storage cavity and the foaming cavity along the width direction of the lower shell; a connecting seat connected with the rotating shaft is movably arranged in the foaming cavity; the connecting seat is provided with a plurality of carriers for placing blanks; and an energy storage structure for driving the rotating shaft to rotate is arranged in the energy storage cavity. The utility model discloses an energy storage structure drive pivot is rotated for the carrier can be followed the connecting seat and rotated in the foaming intracavity, thereby can make the blank on the different carriers be heated evenly, thereby improve the yield.

Description

Supercritical foaming equipment for sole

Technical Field

The utility model relates to a supercritical foaming technical field, concretely relates to supercritical foaming equipment of sole.

Background

Along with the improvement of the living standard of people and the attention on self health, more and more people gradually increase physical training and outdoor activities, and the requirements of people on shoes also tend to be diversified, so that the shoes are changed from the prior art that the shoes pay attention to beauty and elegance to the safety and comfort. Therefore, the wearing comfort is improved, and the development of light high-elastic foaming materials is the main development direction of the shoe soles.

The traditional foaming technology is to form a foaming material of an independent foam body by bridging peroxide and then foaming by a chemical foaming agent. However, in this technique, the consumption of the foaming agent is large, and formamide remains, which is harmful to the environment and human body.

With the development of the supercritical fluid foaming technology, some reports exist at present that the supercritical foaming material is used for making the sole, so that the environment is protected, and the performance of the sole can be improved. The existing supercritical foaming equipment has the following problems: because the temperatures of the upper part, the middle part and the lower part of the supercritical foaming equipment are uneven, the uneven forming of the soles in the carriers of the upper part, the middle part and the lower part of the supercritical foaming equipment is easy to cause, and the high reject ratio is caused.

Disclosure of Invention

The utility model aims at providing a supercritical foaming device for soles aiming at the defects in the prior art.

The purpose of the utility model is realized through the following technical scheme: a sole supercritical foaming device comprises an upper shell and a lower shell detachably connected with the upper shell; the lower shell comprises a foaming cavity and an energy storage cavity; after the upper shell and the lower shell are closed, the upper shell and the foaming cavity form a closed space;

a heating element is arranged in the foaming cavity; the sole supercritical foaming equipment also comprises an air inlet pipe and an inert gas tank; one end of the air inlet pipe is communicated with the inert gas tank; the other end of the air inlet pipe is communicated with the foaming cavity; the lower shell is rotatably provided with a rotating shaft; the rotating shaft is arranged in the energy storage cavity and the foaming cavity along the width direction of the lower shell; a connecting seat connected with the rotating shaft is movably arranged in the foaming cavity; the connecting seat is provided with a plurality of carriers for placing blanks;

and an energy storage structure for driving the rotating shaft to rotate is arranged in the energy storage cavity.

The utility model is further arranged in that the energy storage structure comprises a spring, a first gear, a second gear and a driving shaft; one end of the clockwork spring is connected with the rotating shaft; the other end of the spring is fixed in the energy storage cavity; the first gear is sleeved on the rotating shaft; the first gear is meshed with the second gear; the second gear is sleeved on the driving shaft.

The utility model discloses further set up to, the clockwork spring is located between first gear and the connecting seat.

The utility model is further arranged that a fixed block is arranged in the energy storage cavity; the other end of the clockwork spring is sleeved on the fixed block.

The utility model discloses further set up to, the drive shaft stretches out down and is connected with the handle behind the casing suddenly.

The utility model discloses further set up to, the drive shaft stretches out suddenly and is connected with driving motor behind the lower casing.

The utility model discloses further set up to, go up the casing and be equipped with the sealing washer down between the casing.

The utility model discloses further set up to, be equipped with the two-way valve between intake pipe and the foaming chamber.

The utility model is further arranged that the sole supercritical foaming equipment also comprises a vacuum tube and a vacuum-pumping device; one end of the vacuum tube is communicated with a vacuumizing device; the other end of the vacuum tube is communicated with the upper shell.

The utility model has the advantages that: the utility model discloses an energy storage structure drive pivot is rotated for the carrier can be followed the connecting seat and rotated in the foaming intracavity, thereby can make the blank on the different carriers be heated evenly, thereby improve the yield.

Drawings

The invention is further described with the aid of the accompanying drawings, in which, however, the embodiments do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived from the following drawings without inventive effort.

Fig. 1 is a schematic structural diagram of the present invention;

wherein: 1. an upper housing; 2. a lower housing; 21. a foaming chamber; 22. an energy storage cavity; 23. a fixed block; 3. a heating member; 41. an air inlet pipe; 42. an inert gas tank; 5. a rotating shaft; 51. a connecting seat; 52. a carrier; 6. a clockwork spring; 61. a first gear; 62. a second gear; 63. a drive shaft; 64. a handle; 71. a vacuum tube; 72. and (4) a vacuumizing device.

Detailed Description

The invention will be further described with reference to the following examples.

As can be seen from fig. 1; the supercritical foaming equipment for the sole comprises an upper shell 1 and a lower shell 2 detachably connected with the upper shell 1; the lower shell 2 comprises a foaming cavity 21 and an energy storage cavity 22; after the upper shell 1 and the lower shell 2 are closed, the upper shell 1 and the foaming cavity 21 form a closed space;

a heating element 3 is arranged in the foaming cavity 21; the sole supercritical foaming equipment further comprises an air inlet pipe 41 and an inert gas tank 42; one end of the gas inlet pipe 41 is communicated with an inert gas tank 42; the other end of the air inlet pipe 41 is communicated with the foaming cavity 21; the lower shell 2 is rotatably provided with a rotating shaft 5; the rotating shaft 5 is arranged in the energy storage cavity 22 and the foaming cavity 21 along the width direction of the lower shell 2; a connecting seat 51 connected with the rotating shaft 5 is movably arranged in the foaming cavity 21; a plurality of carriers 52 for placing blanks are arranged on the connecting seat 51;

an energy storage structure for driving the rotating shaft 5 to rotate is arranged in the energy storage cavity 22.

Specifically, in the supercritical sole foaming apparatus of the present embodiment, first, the upper shell 1 and the lower shell 2 are opened, then the blank of the sole is placed on the carrier 52 of the connecting seat 51, then the upper shell 1 and the lower shell 2 are closed, so that the foaming chamber 21 is sealed, then the inert gas tank 42 introduces the inert gas into the foaming chamber 21 through the gas inlet pipe 41, and the heating element 3 works, and the heating element 3 may be a heating wire, so as to perform supercritical foaming on the blank on the carrier 52;

in the foaming process, the energy storage structure drives the rotating shaft 5 to rotate, so that the carrier 52 can rotate in the foaming cavity 21 along with the connecting seat 51, blanks on different carriers 52 can be heated uniformly, and the yield is improved.

According to the supercritical foaming equipment for soles, the energy storage structure comprises a spring 6, a first gear 61, a second gear 62 and a driving shaft 63; one end of the clockwork spring 6 is connected with the rotating shaft 5; the other end of the spring 6 is fixed in the energy storage cavity 22; the first gear 61 is sleeved on the rotating shaft 5; the first gear 61 is meshed with the second gear 62; the second gear 62 is sleeved on the driving shaft 63.

Specifically, the drive shaft 63 is rotated to charge the spring 6 via the second gear 62 and the first gear 61, so that the shaft 5 can be driven to rotate by the charge of the spring 6.

In the supercritical foaming apparatus for sole according to this embodiment, the spring 6 is disposed between the first gear 61 and the connecting seat 51. The arrangement makes the structure of the sole supercritical foaming equipment more reasonable.

In the supercritical sole foaming equipment of this embodiment, a fixing block 23 is arranged in the energy storage cavity 22; the other end of the clockwork spring 6 is sleeved on the fixing block 23. The other end of the clockwork spring 6 is convenient to fix through the arrangement.

In the supercritical foaming device for shoe sole of this embodiment, the driving shaft 63 protrudes out of the lower shell 2 and is connected with the handle 64. The above arrangement facilitates rotation of the drive shaft 63 by manual drive.

In the supercritical foaming apparatus for shoe sole of this embodiment, the driving shaft 63 protrudes out of the lower housing 2 and is connected to a driving motor. The above arrangement facilitates automatic rotation of the drive shaft 63.

The supercritical foaming equipment for soles in the embodiment is characterized in that a sealing ring is arranged between the upper shell 1 and the lower shell 2. The sealing ring is not shown in the figure, and the arrangement can enhance the sealing performance of the foaming cavity 21.

In the supercritical foaming apparatus for shoe sole of this embodiment, a two-way valve is disposed between the air inlet pipe 41 and the foaming chamber 21. The two-way valve is not shown in the figure, and the arrangement can control the inert gas to enter the foaming chamber 21.

In the sole supercritical foaming apparatus of this embodiment, the sole supercritical foaming apparatus further includes a vacuum tube 71 and a vacuum pumping device 72; one end of the vacuum tube 71 is communicated with a vacuum-pumping device 72; the other end of the vacuum tube 71 is communicated with the upper shell 1. With the above arrangement, the air in the foaming chamber 21 can be evacuated by the evacuation device 72 and the vacuum tube 71 before the inert gas is introduced into the foaming chamber 21.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A sole supercritical foaming equipment is characterized in that: comprises an upper shell (1) and a lower shell (2) which is detachably connected with the upper shell (1); the lower shell (2) comprises a foaming cavity (21) and an energy storage cavity (22); after the upper shell (1) and the lower shell (2) are closed, the upper shell (1) and the foaming cavity (21) form a closed space;

a heating element (3) is arranged in the foaming cavity (21); the sole supercritical foaming equipment also comprises an air inlet pipe (41) and an inert gas tank (42); one end of the air inlet pipe (41) is communicated with an inert gas tank (42); the other end of the air inlet pipe (41) is communicated with the foaming cavity (21); the lower shell (2) is rotatably provided with a rotating shaft (5); the rotating shaft (5) is arranged in the energy storage cavity (22) and the foaming cavity (21) along the width direction of the lower shell (2); a connecting seat (51) connected with the rotating shaft (5) is movably arranged in the foaming cavity (21); a plurality of carriers (52) for placing blanks are arranged on the connecting seat (51);

an energy storage structure used for driving the rotating shaft (5) to rotate is arranged in the energy storage cavity (22).

2. The supercritical sole foaming apparatus of claim 1, wherein: the energy storage structure comprises a spring (6), a first gear (61), a second gear (62) and a driving shaft (63); one end of the clockwork spring (6) is connected with the rotating shaft (5); the other end of the clockwork spring (6) is fixed to the energy storage cavity (22); the first gear (61) is sleeved on the rotating shaft (5); the first gear (61) is meshed with the second gear (62); the second gear (62) is sleeved on the driving shaft (63).

3. The supercritical foaming apparatus for shoe soles according to claim 2, characterized in that: the clockwork spring (6) is arranged between the first gear (61) and the connecting seat (51).

4. The supercritical foaming apparatus for shoe soles according to claim 2, characterized in that: a fixed block (23) is arranged in the energy storage cavity (22); the other end of the clockwork spring (6) is sleeved on the fixing block (23).

5. The supercritical foaming apparatus for shoe soles according to claim 2, characterized in that: the driving shaft (63) protrudes out of the lower shell (2) and is connected with a handle (64).

6. The supercritical foaming apparatus for shoe soles according to claim 2, characterized in that: the driving shaft (63) is connected with a driving motor after protruding out of the lower shell (2).

7. The supercritical sole foaming apparatus of claim 1, wherein: and a sealing ring is arranged between the upper shell (1) and the lower shell (2).

8. The supercritical sole foaming apparatus of claim 1, wherein: a two-way valve is arranged between the air inlet pipe (41) and the foaming cavity (21).

9. The supercritical sole foaming apparatus of claim 1, wherein: the sole supercritical foaming equipment also comprises a vacuum tube (71) and a vacuumizing device (72); one end of the vacuum tube (71) is communicated with a vacuum-pumping device (72); the other end of the vacuum tube (71) is communicated with the upper shell (1).