KR20030013180A - Manufacturing system and equipment about the sole of shoe - Google Patents

Abstract

PURPOSE: A production method of a shoe sole and its device are provided to maximize the production efficiency of the sole by performing the heating and the cooling of a forming mold with a single press and to reduce the rising and reducing time of a temperature of the forming mold by directly inserting a thermal medium into the forming mold. CONSTITUTION: A single press(2) contains a heating and cooling device to heat and to cool molds(1) directly and indirectly. A heating portion(4) and a cooling portion(5) supply a heated or cooled thermal medium to the heating and cooling device. A raw material in a mold is heated by selectively inserting the heating thermal medium or the cooling thermal medium to the heating and cooling device. Then, the raw material is cooled. Thereby, the productivity is improved.

Description

Manufacturing system and equipment about the sole of shoe

The present invention relates to a shoe sole manufacturing method and apparatus, and more particularly to a shoe sole to improve the manufacturing efficiency of the shoe sole to be able to perform the heating and cooling of the molding mold for manufacturing a shoe sole in a single press It relates to a manufacturing method and apparatus.

Generally, when manufacturing a shoe sole, synthetic resin is used. The present invention is an improvement of a process of manufacturing pyron (a type of synthetic rubber product), which is one step in a shoe manufacturing process. The manufacturing apparatus and method of a Pyron product (referred to below as "shoes sole") are as follows.

Figure 6 shows a conventional shoe sole manufacturing apparatus, consisting of a heating device 300 for heating the raw material to form a shoe sole largely, and a cooling device 400 for cooling the heated molded shoe sole to complete the product do. Therefore, each device is described as follows.

FIG. 6A shows a conventional heating apparatus, and the conventional heating apparatus 300 includes a heating press 301 and a steam boiler 307 for supplying a heat source to the heating press 301.

That is, the heating press 301 is mounted in a plurality of layers between the upper and lower press plates 302 and 303 being elevated and the upper and lower press plates 302 and 303, and a plurality of molding molds are mounted therebetween. The hot plate 304, the distribution supply pipe 305 connected to the steam boiler 307 to distribute and supply steam to the hot plates 304, and the steam discharged from the hot plates 304 are collected and discharged. It is composed of a discharge pipe (306).

FIG. 6B shows a conventional cooling device, and the conventional cooling device 400 includes a cooling press 401 and a refrigerator 407 for supplying cooling water to the cooling press 401.

That is, the cooling press 401 is laminated in multiple layers between the elevated upper and lower press plates 402 and 403 and the upper and lower press plates 402 and 403, and the heating press 300 is heated by the heating apparatus 300 therebetween. A plurality of hot plates 404 on which formed molds are mounted, a distribution supply pipe 405 connected to the refrigerator 407 to distribute and supply cooling water to the hot plates 404, and discharged from the hot plates 404. It is composed of a discharge pipe 406 to collect the cooling water and supply it back to the freezer (407).

Hereinafter, a process of manufacturing a shoe sole through the manufacturing apparatus configured as described above is as follows.

6 and 7, the conventional manufacturing method includes a heating step 500 for indirectly heating the molding die through the heating plate 300 through the heating device 300 and finishing the heating step 500. It is composed of a cooling step 600 for cooling the molding die indirectly through the cooling device (400).

In the heating step 500, first, a process of inserting a raw material into a molding mold (501), and mounting a plurality of molding molds into which a raw material is inserted between the hot plates 104 constituting the heating device 300. Process 402 and the heating press 101 of the heating apparatus 100 to bring the hot plates 104 into close contact with the upper and lower surfaces of the molding die 300 and then by operating the steam boiler 307. Supplying steam to the molding mold and the raw material is made of a process (503).

In addition, the cooling step 600, the step 601 of mounting the molding die after the heating step in the heating device 300 between the hot plate 404 of the cooling device 400 and the cooling device 400 of The cooling press 401 is operated to bring the hot plates 404 into close contact with the upper and lower surfaces of the molding die, and then the refrigerant (cooling water) is supplied to the hot plates 404 by the operation of the freezer 407 to cool the mold and the raw materials. Process (602).

However, in manufacturing the shoe sole as described above, as the heating process and the cooling process is separated from each other had a problem that the manufacturing efficiency of the shoe sole is lowered.

In addition, according to the method of indirect heating and indirect cooling by the hot plate, there is another problem that the molding time of the raw material is excessively taken due to waste of temperature rise and temperature fall time of the mold.

In addition, since the heating device uses the fruit vapor of the wet steam and the cooling device uses the fruit object of the cooling water, heating and cooling cannot be carried out simultaneously with one device, resulting in waste of the cost of installing each heating and cooling device. I also had another problem.

Accordingly, the present invention has been invented to solve the above problems, it is an object of the present invention to provide a shoe sole manufacturing method and apparatus to maximize the production efficiency of the shoe sole by performing a heating and cooling of the molding die in a single press. .

In addition, there is another purpose to shorten the time of temperature rise and temperature drop of the molding mold by heating and cooling by directly heating the fruit object to the molding mold.

Another object is to unify the manufacturing apparatus for shoe soles by allowing the mold to be heated and cooled by using the same fruit material in a single device.

In addition, there is another object that can prevent the safety accident due to the movement of the conventional molding mold by unifying the manufacturing apparatus.

The present invention for achieving the above object, the step of cooling the raw material introduced into the mold and then cooling it by selectively adding the same heating fruit object and cooling fruit object to the heating cooling means mounted on a single press Characterized in that the manufacturing method is made in a consistent press.

In addition, the oil is circulated directly to the plurality of hot plates stacked in multiple layers between the upper and lower press plates which are elevated, and the supply and discharge pipes circulating oil to the hot plates, which are erected on both sides, and a plurality of molds mounted between the hot plates. A single press consisting of an oil circulation unit mounted in multiple layers between the supply and discharge pipes, and supplying the heated oil to the supply pipe so that the supplied oil passes through the hot plate and the oil circulation portion of the press and the Characterized in that the manufacturing apparatus including a heating unit for recovering through the discharge pipe, and a cooling unit for supplying the cooled oil to the supply pipe to pass through the hot plate and the oil circulating portion of the press and recovering it through the discharge pipe.

1 is an overall configuration diagram showing a manufacturing apparatus of the present invention.

2 is an enlarged view of a press according to the present invention;

Figure 3 is an exploded attempt to enlarge the oil circulation portion and the mold of the press according to the present invention.

4 is a cross-sectional view showing a mold according to the present invention.

5 is a process diagram according to the method of the present invention.

6 shows a conventional shoe sole manufacturing apparatus,

Figure 6a is a conventional heating device,

6b shows a conventional cooling device.

7 is a process chart according to the conventional method.

Explanation of symbols for main parts of the drawings

1: mold

11: mold body

111: inner hole, 112: forming groove

12: Mold Cover

121: upper groove, 122: molding protrusion

2: press

21: press plate

22: hotplate

23: supply pipe

231: expansion hose

24: discharge pipe

241: Expansion hose

3: Oil circulation part

31: internal oil circulation

311: circulation tube, 312: outer tube, 312a: insertion tube, 313: inner tube,

313a: inner insertion pipe

32: upper oil circulation part

321: inlet pipe, 322: outlet pipe, 323: bracket, 323a: inlet hole,

323b: discharge hole, 323c: through hole

4: heating unit

41: oil boiler

42: supply line

421: first supply line, 422: second supply line

43: discharge line

431: first discharge line, 432: second discharge line

44: accumulator

5: cooling part

51: freezer

52: supply line

521: third supply line, 522: fourth supply line

53: discharge line

531: third discharge line, 532: fourth discharge line

54: accumulator

Hereinafter, the configuration and operation of the present invention will be described in detail with reference to the accompanying drawings.

1 is an overall configuration diagram showing a manufacturing apparatus of the present invention, Figure 2 is an enlarged view of the press according to the present invention, first described the configuration as follows.

The single press 2 including the heating and cooling means having the same configuration for heating and cooling the mold 1 to which the raw materials are introduced, as well as indirectly heating and cooling, and the same heat medium as the heating and cooling means It is characterized in that it comprises a heating unit 4 and the cooling unit 5 for supplying the heated fruit or cooled fruit object.

In particular, the press 2 is a plurality of hot plates 22 stacked in a plurality of layers between the upper and lower press plates 21 to be elevated, and the supply to circulate the oil to the hot plates 22 are built on both sides, Oil mounted in multiple layers between the supply and discharge pipes 23 and 24 so that oil can be circulated directly to the discharge pipes 23 and 24 and the plurality of molds 1 mounted between the hot plates 22. It consists of the circulation part 3.

The heating unit 4 supplies the heated oil to the supply pipe 23 so that the supplied oil passes through the hot plate 22 and the oil circulating unit 3 of the press 2 and the discharge pipe 24. It will have a configuration to recover through. The cooling unit 5 supplies the cooled oil to the supply pipe 23 to pass through the hot plate 22 and the oil circulation unit 3 of the press 2 and recovers it through the discharge pipe 24. It is to have a configuration.

This will be described in more detail as follows.

As shown in FIG. 1, the heating unit 4 is connected to an oil boiler 41 for heating oil, and a supply and discharge pipe 23 and 24 of the oil boiler 41 and the press 2. It is composed of supply and discharge lines (42, 43) connected to supply and discharge the heating oil to the press (2).

In particular, the accumulator 44 including a sensor is mounted in the middle of the supply and discharge lines 42 and 43 so as to maintain the temperature and the supply amount of the heating oil appropriately.

The supply and discharge lines 42 and 43 may include a first supply and first discharge line 421 and 431 and an accumulator 44 and the press connecting the accumulator 44 and the oil boiler 41. It is composed of a second supply, second discharge line (422,432) connecting between the supply, discharge pipes (23, 24) of 2).

In addition, the first discharge line (421, 431) is equipped with a circulation pump (P) and the valve (V) to recover the oil from the accumulator (44), the second supply line (422) presses the heated oil Circulation pump (P) and the valve (V) is mounted to supply to (2), the second discharge line 432 is equipped with a valve (V) to recover the oil circulated in the press (2) It is.

On the other hand, as shown in Figure 1, the cooling unit 5, the refrigerator 51 for cooling the oil, and the supply and discharge pipes (23, 24) of the freezer 51 and the press (2) Is connected is composed of supply, discharge lines (52, 53) to supply, discharge the cooling oil to the press (2).

In particular, a control tank 54 including a sensor is installed in the middle of the supply and discharge lines 52 and 53 so as to properly maintain the temperature and the supply amount of the cooling oil.

In addition, the supply and discharge lines 52 and 53 of the third supply and third discharge lines 521 and 531 and the control tank 54 and the press 2 connecting between the control tank 54 and the freezer 51. The fourth supply and fourth discharge lines 522 and 532 are connected between the supply and discharge pipes 23 and 24.

In addition, the third discharge line 531 is equipped with a circulation pump (P) and the valve (V) to recover the cooling oil to the freezer (51) by the control tank (54), the fourth supply line (522) ) Is equipped with a circulation pump (P) and a valve (V) to supply the cooled oil to the press (2), the fourth discharge line 532 is a valve to recover the oil circulated in the press (2) (V) is attached.

3 is an enlarged view of an oil circulating part and a mold of a press according to the present invention, wherein the oil circulating part 3 may circulate oil into a center inside and an upper part of the mold 1, and an upper oil circulating part. It consists of (31,32). The mold 1 includes a mold body 11 having a plurality of inner holes 111 and a plurality of molding grooves 112 having an open upper portion, and mounted on an upper portion of the mold body 11. It is composed of a mold cover 12, the upper groove 121 is formed in a portion corresponding to the forming groove 112.

4 is an internal cross-sectional view of the mold according to the present invention, wherein the internal oil circulation part 31 connects the supply and discharge expansion hoses 231 and 241 drawn out from the supply and discharge pipes 23 and 24 to the mold. It consists of a circulation pipe 311 including a plurality of insertion pipes (312a) inserted into the inner hole 111 of the body (11).

The circulation pipe 311 is connected to the discharge expansion hose 241 and the outer tube 312 including the insertion pipe 312a and the oil supplied to the supply expansion hose 231 are supplied to the circulation pipe 311. After inserting the inside of the insertion tube 312a and inserted into the insertion tube 312a to be discharged to the discharge expansion hose 241 through the outer tube 312 after circulating the insertion tube 312a It consists of an inner side pipe 313 containing the side pipe 313a.

Therefore, as the inner oil circulation part 31 is formed as a double pipe, it is possible to prevent the leakage of oil to prevent the adhesion during bonding of the product.

As shown in FIG. 3, the upper oil circulation part 32 includes inlet and outlet pipes 321 and 322 connected to the supply and discharge expansion hoses 231 and 241 respectively, which are drawn from the supply and discharge pipes 23 and 24. Inlet and outlet holes 323a and 323b into which the inlet and outlet pipes 321 and 322 are inserted are formed, and through holes 323c are formed to connect them, and are inserted into the upper groove 121 formed in the mold cover 12. It is composed of a bracket (323). In particular, the lower portion of the mold cover 12, which is the lower portion of the upper groove 121 is formed with a molding protrusion 122 to block the upper portion of the forming groove 112.

Therefore, the oil flowing into the inlet pipe 321 passes through the inlet hole 323a, the through hole 323c and the discharge hole 323b in order to be discharged to the discharge pipe 322.

Hereinafter, the manufacturing method by the apparatus configured as described above is as follows.

As shown in Figures 1 and 5, the manufacturing method of the present invention is characterized in that the raw material introduced into the mold in a single press (2) can be heated and molded after replacement without replacing the mold.

In other words, the step of heating and molding the raw materials introduced into the mold by selectively adding the same heating fruit and cooling fruit objects to the heating cooling means mounted on the single press 2, and then cooling the same are consistent in the single press 2. To be done.

In addition, it is reasonable that the fruit entity is an oil that is easy to heat and cool.

In addition, the heating and cooling means is composed of the elevating hot plate 22 and the elevating inner and upper oil circulation parts 31 and 32, as described in the above configuration, the heating oil and the cooling oil can be circulated compatible.

In addition, in the heating step 100 and the cooling step 200, the heating and cooling time can be minimized by directly heating or cooling the inside of the mold 1.

This will be described in more detail as follows.

As shown in Figure 1 to Figure 5, the heat forming step 100, by mounting the mold in a single press (101) and by raising the temperature of the oil through the oil boiler 41 Process of supplying the heating oil through the supply line 42 and the supply pipe 23 to the hot plate 22, which is a heating and cooling means of the single press 1, and the internal and upper oil circulation parts 31 and 32 to heat-form raw materials. And a process 103 for recovering the oil passing through the hot plate and the inner and upper oil circulation parts 31 and 32 to the oil boiler 41 through the discharge pipe 24 and the discharge line 43. .

In performing the heating molding process 102 and the recovery process 103, the supply temperature and the supply amount can be properly maintained in the accumulator 44 installed in the middle of the supply and discharge lines 42 and 43. ,

In addition, when the supply of the heating oil is cut off in the above step, the pump P of the second supply line 422 is stopped and the valve is stopped so that oil can be circulated only between the oil boiler 41 and the accumulator 44. (V) is blocked. On the other hand, the cooling unit 5 is operated to perform the cooling step 200.

Next, the cooling step 200, by cooling the temperature of the oil through the freezer (51) through the supply line 52 and the supply pipe 23 to cool the cooling oil of the heating plate 22 of the single press (2) ) And cooling the raw material by supplying it to the inner and upper oil circulation parts 31 and 32 (201), and discharged oil passing through the hot plate 22 and the inner and upper oil circulation parts 31 and 32. 24) a process 202 of recovering to the freezer 41 through the discharge line 43.

In the cooling process 201 and the recovery process 202, the supply temperature and the supply amount may be properly maintained in the control tank 54 installed in the middle of the supply and discharge lines 52 and 53.

In addition, when the supply of the cooling oil is cut off, the pump P of the fourth supply line 522 is stopped and the valve V is stopped so that oil can be circulated only between the refrigerator 41 and the control tank 42. It will be blocked.

In this way, the heating step 100 and the cooling step 200 are consistently performed by one injection of a mold, thereby maximizing the manufacturing efficiency of the shoe sole.

1 and 2, when selectively supplying the same heating and cooling fruit object to the same raw material heating and cooling stage, two second and fourth supply lines to which respective heating and cooling fruit objects are supplied are provided. When the valves (V) mounted on the (422, 522) are opened and closed in reverse with each other, and the fruit objects are selectively recovered, the valves (V) are mounted on two second and fourth discharge lines (432, 532) where the heating and cooling fruit objects are discharged. By opening and closing the valves V opposite each other, the flow of heating and cooling oil can be adjusted.

As described above, the present invention, by heating and cooling the molding die in a single device to maximize the manufacturing efficiency of the shoe sole, it is to have the effect of increasing the productivity.

In addition, by directly heating and cooling the fruit object directly into the mold, the temperature rise and temperature fall time of the mold are reduced, and thus, another effect of completing the molding of raw materials is also obtained.

In addition, by unifying the shoe sole manufacturing apparatus has another effect that can reduce the installation cost of the device.

In addition, by unifying the manufacturing apparatus there is another effect that can prevent the safety accidents caused by the movement of the conventional mold.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible.

Claims (16)

The shoe is characterized in that the step of heating and molding the raw materials introduced into the mold by selectively adding the same heating fruit object and cooling fruit object to the heating cooling means mounted on the single press is performed in a single press consistently. Sole manufacturing method. The method of claim 1, wherein the fruit is an oil (oil) manufacturing method. According to claim 1 or 2, wherein the heat forming step, the process of mounting the mold in a single press, and the temperature of the oil through the oil boiler to raise the heating oil through the supply line and the supply pipe to heat the single press The process of heating and molding raw materials by supplying the hot plate and the mold, which are the heating means, to directly heat the mold, and recovering the oil passing through the hot plate, the internal and the upper oil circulating part to the oil boiler through the discharge pipe and the discharge line. Shoe sole manufacturing method characterized in that the process is made. 4. The oil boiler according to claim 3, wherein in performing the heating molding process and the recovering process, the accumulator installed in the middle of the supply and discharge lines is properly maintained and the supply of heating oil is blocked. And sole shoe manufacturing method characterized in that the oil is circulated only between the accumulator. According to claim 1 or claim 2, The cooling step, the internal and the upper part of the cooling of the oil temperature through the freezer through the supply line and the supply pipe to directly cool the hot plate and the mold which is a heating press means of a single press of the cooling oil The process of manufacturing a shoe sole comprising the step of cooling the raw material by supplying to the oil circulation, and the process of recovering the oil passing through the hot plate and the inner, upper oil circulation to the freezer through the discharge pipe and the discharge line. The cooling tank and the control tank of claim 5, wherein in performing the cooling process and the recovering process, the supply temperature and the supply amount are properly maintained in the control tank installed in the middle of the supply and discharge lines. Shoe sole manufacturing method characterized in that the oil is circulated only between. The method of claim 1, wherein when selectively supplying the same heating and cooling fruit medium to the same raw material heating and cooling means, the valves mounted on the two supply lines to which respective heating and cooling fruit objects are supplied are opened and closed oppositely. And selectively recovering the fruit objects by opening and closing the valves mounted on each of the two discharge lines through which the heating and cooling fruit objects are discharged. A plurality of hot plates 22 stacked in a plurality of layers between the upper and lower press plates 21 which are elevated, and supply and discharge pipes 23 and 24 erected on both sides to circulate oil to the hot plates 22. A single unit consisting of an oil circulating part 3 mounted in a plurality of layers between the supply and discharge pipes 23 and 24 to circulate oil directly to the plurality of molds 1 mounted between the hot plates 22. Press 2; A heating unit for supplying the heated oil to the supply pipe 23 passes through the hot plate 22 and the oil circulating portion 3 of the press (2) and recovers it through the discharge pipe (24) 4) and; It supplies a cooling oil to the supply pipe 23 to pass through the hot plate 22 and the oil circulation portion 3 of the press (2) and includes a cooling unit (5) for recovering it through the discharge pipe (24) Shoe sole manufacturing apparatus characterized in that. The oil circulation part (3) of claim 8, wherein the oil circulation part (3) is composed of internal and upper oil circulation parts (31, 32) so as to circulate oil to the inside and top of the mold (1). The mold body 11 has a plurality of inner holes 111 and has a plurality of molding grooves 112 having an open upper portion, and is mounted on the mold body 11 and corresponds to the molding groove 112. Shoe sole manufacturing apparatus, characterized in that consisting of a mold cover 12, the upper groove 121 is formed in the portion. 10. The mold body (11) according to claim 8 or 9, wherein the internal oil circulation part (31) connects the supply and discharge expansion hoses (231, 241) withdrawn from the supply and discharge pipes (23, 24). Footwear manufacturing apparatus, characterized in that consisting of a circulation pipe 311 including a plurality of insertion pipes (312a) that are inserted into the inner hole (111) of the. The method of claim 10, wherein the circulation pipe 311 is connected to the discharge expansion hose 241, the outer tube 312 including the insertion pipe 312a, and is connected to the supply expansion hose 231 After the supplied oil circulates through the insertion tube 312a, the oil is mounted inside the insertion tube 312a to be discharged to the discharge expansion hose 241 through the outer tube 312, and the insertion tube 312a is provided. Footwear manufacturing apparatus, characterized in that consisting of the inner tube (313) including the inner insertion tube (313a) is inserted into. The inlet and outlet pipes 321 and 322 of claim 8 or 9, wherein the upper oil circulation part 32 is connected to the supply and discharge expansion hoses 231 and 241 respectively, which are drawn out from the supply and discharge pipes 23 and 24, respectively. And, the inlet and discharge pipes 321 and 322 are inserted, the discharge hole (323a, 323b) is formed and a through hole 323c is connected to each other is formed to the upper groove 121 formed in the mold cover 12 Shoe sole, characterized in that consisting of a bracket 323 is inserted, and a molding protrusion 122 formed in the lower portion of the mold cover 12 that is the lower portion of the upper groove 121 to block the upper portion of the molding groove 112 Manufacturing equipment. 9. The heating unit (4) according to claim 8, wherein the heating unit (4) is connected to an oil boiler (41) for heating oil, and to the supply and discharge pipes (23, 24) of the oil boiler (41) and the press (2). A shoe sole manufacturing apparatus, characterized in that consisting of a supply, discharge line (42,43) for supplying, discharging the heating oil to the press (2). 14. The accumulator 44 including a sensor is installed in the middle of the supply and discharge lines 42 and 43 so as to maintain the temperature and supply amount of the heating oil appropriately. Reference numerals 42 and 43 denote first supply, first discharge lines 421 and 431 connecting the accumulator 44 and the oil boiler 41 and supply and discharge pipes of the accumulator 44 and the press 2. And second supply and second discharge lines 422 and 432 connecting between the second and second discharge lines 23 and 24, and the first discharge lines 421 and 431 are equipped with a circulation pump P and a valve V, respectively. The supply line 422 is also equipped with a circulation pump (P) and the valve (V), the second discharge line 432 is a shoe sole manufacturing apparatus, characterized in that the valve (V) is mounted. 9. The cooling unit (5) according to claim 8, wherein the cooling unit (5) is connected to each other by a freezer (51) for cooling oil and the supply and discharge pipes (23, 24) of the freezer (51) and the press (2). 2) Shoe sole manufacturing apparatus characterized in that consisting of supply, discharge lines 52, 53 for supplying and discharging cooling oil. The control tank 54 of claim 15, wherein a sensor is included in the middle of the supply and discharge lines 52 and 53 so as to maintain the temperature and the supply amount of the cooling oil properly. 52 and 53 are third supply and third discharge lines 521 and 531 connecting between the control tank 54 and the refrigerator 51 and the supply and discharge pipes 23 and 24 of the control tank 54 and the press 2. And a fourth supply and a fourth discharge line 522 and 532 connecting between the third supply line and the fourth discharge line 531. The third discharge line 531 is equipped with a circulation pump P and a valve V, and the fourth supply line 522. ) Is also equipped with a circulation pump (P) and the valve (V), the fourth discharge line 532, the sole shoe manufacturing apparatus characterized in that the valve (V) is mounted.