A sole hot and cold forming device and a hot and cold forming method

Abstract

The present application relates to shoe sole forming equipment technical field, especially disclose a kind of shoe sole hot cold forming device, including rack, mould assembly, the heating mechanism of mould assembly heating, the cooling mechanism of mould assembly cooling, operating platform is equipped on rack, mould assembly is movably arranged on operating platform to facilitate mould assembly to be moved to heating mechanism or cooling mechanism, heating mechanism, cooling mechanism are respectively arranged on rack;Mould assembly has first plate portion, the protruding portion of first plate portion, the recess for accommodating shoe sole blank is arranged on protruding portion and is used to accommodate shoe sole blank, heat-absorbing coating is equipped on protruding portion, heating mechanism heats shoe sole blank in recess by heating protruding portion, so that shoe sole blank in mould assembly is heated and softened to facilitate forming.Heat is evenly distributed to shoe sole blank by heating mechanism conduction heating, improve heating efficiency, improve forming effect;Heat-absorbing coating absorbs the heat emitted by heating mechanism, avoid heat dissipation to cause waste, improve heating efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of shoe sole forming equipment, and particularly discloses a shoe sole hot and cold forming device and a hot and cold forming method. BACKGROUND

[0002] With the improvement of living conditions, people's pursuit of shoes is gradually improved. For example, sports shoes and leisure shoes are the first choice for most men, women, old and young at home or outdoor activities because of comfort. The shoe soles of sports shoes and leisure shoes are generally single-layer formed or double-layer material composite formed. At present, the forming process is generally that the first layer of formed shoe sole is mainly foamed, and the forming process of the second layer of formed shoe sole is composite forming. The second layer of shoe sole forming material is placed into the mold after the first layer of formed shoe sole is placed into the mold. Heat is added and then transmitted to the upper and lower mold plates of the equipment through the pipeline. The whole mold is heated in contact. After the mold temperature rises, heat is transmitted from the mold to the second layer of shoe sole forming material. The second layer of shoe sole forming material is melted by heat transmission. The second layer of shoe sole forming material after melting is combined with the first layer of formed shoe sole after foaming to form an integrated whole. The composite forming method is open heating. The heating time is long. The heating temperature of the mold is uneven. Since the mold is heated as a whole, the heat dissipation area is large. In the heating condition, the energy consumption is very large. Not only is it difficult to guarantee the quality of the manufactured shoe sole, but also the manufacturing cost is large, which is not conducive to economic and environmental protection. Moreover, the equipment occupies a large area and has limited operation space.

[0003] In addition, the formed shoe sole is mainly cooled by open water spraying. Since the heating is external heating, dust and the like in the air cannot be isolated during water spraying cooling. The oil that is not recycled is mixed with water and dust and the like in the air, so that the formed shoe sole mold is contaminated and a large area of stains is formed, which affects the quality of the formed product. Additional cleaning costs are required, and the work efficiency is low. SUMMARY

[0004] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the present application is to provide a shoe sole hot forming device and method which is uniformly heated, has high forming quality, saves cost, is energy-saving and environmentally friendly, and has high work efficiency, to solve the problems of uneven heating, unstable forming quality, high cost, large energy consumption, and low work efficiency.

[0005] In order to achieve the above object, the shoe sole hot and cold forming device comprises a rack, a mold assembly containing a shoe sole blank, a heating mechanism for heating the mold assembly, and a cooling mechanism for cooling the heated mold assembly, and an operating platform is arranged on the rack, the mold assembly is movably arranged on the operating platform to facilitate the movement of the mold assembly to the heating mechanism or the cooling mechanism, and the heating mechanism and the cooling mechanism are arranged on the rack; the mold assembly has a first plate part, a protruding part protruding from the first plate part, and a groove arranged on the protruding part and used for containing the shoe sole blank, the heating mechanism heats the shoe sole blank in the groove by heating the protruding part, so that the shoe sole blank in the mold assembly is heated and softened to facilitate forming; the shoe sole blank is uniformly heated by heat conduction heating of the heating mechanism, the forming effect is improved, and the heating efficiency is improved; the protruding part protruding from the first plate part increases the heating area of the mold assembly, so that the shoe sole blank in the mold assembly is quickly heated and melted, and the heating efficiency is improved.

[0006] Further, the outer side of the protruding part away from the groove is coated with a heat-absorbing coating; the heat-absorbing coating absorbs the heat emitted by the heating mechanism to increase the temperature of the protruding part and heat the shoe sole blank in the groove. The heat-absorbing coating absorbs the heat emitted by the heating mechanism, avoids waste caused by heat dissipation, quickly heats and melts the shoe sole blank in the mold assembly, and improves the heating efficiency.

[0007] Further, the heating mechanism comprises a first heating assembly and a second heating assembly, the first heating assembly and the second heating assembly are respectively located on both sides of the mold assembly, heating elements are arranged on the first heating assembly and the second heating assembly, and the heating elements are used for heating the mold assembly. The shoe sole blank is uniformly heated by simultaneous heat conduction heating of the first heating assembly and the second heating assembly, the shoe sole blank in the mold assembly is quickly heated and melted, and the heating efficiency is improved.

[0008] Further, the heat-absorbing coating is a black chromium coating, the mold assembly is provided with a second plate part abutting the first plate part and a shaping part protruding from the second plate part, the shaping part extends into the groove to abut and shape the shoe sole blank, and a blind hole is arranged on the side of the second plate part away from the shaping part; the first plate part and the second plate part are rotatably connected through a hinge, the outer side of the protruding part away from the groove and / or the inner concave surface of the blind hole are provided with a heat-absorbing coating; the second plate part and / or the free end of the first plate part is provided with a pull ring for conveniently opening the mold assembly, and the pull ring is rotatably connected with the second plate part and / or the first plate part. The black chromium coating has excellent spectral selectivity, thermal stability and high-temperature resistance, is suitable for high-temperature conditions, can work stably at 300 DEG C for a long time, can better absorb heat, and improves the heating efficiency; the heat-absorbing coating arranged on the outer side of the protruding part away from the groove and / or the inner concave surface of the blind hole can obtain a larger heating area, and the heating efficiency is improved.

[0009] Further, the first heating assembly comprises a first fixed plate connected with the rack, the first fixed plate is provided with a mounting groove for mounting the heating element, and the heating element is arranged in the mounting groove; the heat emitted by the heating element is conducted to the mold assembly to heat and soften the sole blank in the mold assembly for molding. The heating element arranged in the mounting groove indirectly conducts heat to the sole blank through the mold assembly, so that the sole blank is uniformly heated, the molding effect is not affected by uneven heating, and the heating efficiency is improved.

[0010] Further, the second heating assembly comprises a heating box and a first lifting driving element, the first lifting driving element is connected with the rack, the output end of the first lifting driving element is connected with the heating box to drive the heating box to approach or move away from the first heating assembly, and the heating box accommodates the protruding part of the mold assembly; a temperature measuring sensor is arranged on the rack or the heating box; the mold assembly is moved between the first heating assembly and the second heating assembly through the operation platform, the first lifting driving element drives the heating box to abut against the mold assembly, the first heating assembly and the heating box cooperate to clamp and seal the mold assembly, the heat emitted by the heating element is conducted to the mold assembly, the first plate part and the second plate part of the mold assembly are tightly matched, the mold assembly is in a sealed state to reduce the heat dissipation area, heat loss is prevented, heat waste is avoided, and the heating efficiency is improved; the temperature measuring sensor facilitates real-time detection of the heating temperature, the heating element can be controlled to stop working when the temperature is too high, resource waste is avoided, and energy saving is achieved.

[0011] Further, the cooling mechanism comprises a first cooling assembly, the first cooling assembly comprises a second fixed plate, a waterway plate, a water baffle, a water inlet pipe and a pump body, the second fixed plate is fixedly connected with the rack, the second fixed plate and the water baffle are arranged on the two sides of the waterway plate respectively, the water baffle is provided with a first water inlet, the waterway plate is provided with a first water outlet, one end of the water inlet pipe is connected with the pump body, the pump body is connected with an external water storage tank through a water pipe, the other end of the water inlet pipe penetrates through the second fixed plate, the waterway plate and the water baffle and extends into the blind hole of the second plate part, and the water storage tank is provided with a cooling unit for reducing the temperature of the cooling water; the cooling water in the water storage tank is pumped out by the pump body, flows into the blind hole of the second plate part through the water inlet pipe, is discharged through the first water inlet and the first water outlet, and flows back to the water storage tank through the water pipe to cool the mold assembly, the blind hole of the second plate part increases the contact area between the cooling water and the mold assembly, improves the heat exchange efficiency, shortens the cooling time, improves the production efficiency, and the cooling unit in the water storage tank keeps the cooling water at a low temperature.

[0012] Further, the cooling mechanism further comprises a second cooling assembly, the first cooling assembly and the second cooling assembly are respectively located on two sides of the operation platform, the second cooling assembly comprises a second lifting driving member and a water tank, the second lifting driving member is arranged on the rack, the output end of the second lifting driving member is connected with the water tank to drive the water tank to be close to or away from the first cooling assembly, the water tank is provided with a second water inlet and a second water outlet, the second water outlet is connected with an external water storage tank through a water pipe, the mold assembly is moved to the water tank through the operation platform, the second lifting driving member drives the water tank to be close to the first cooling assembly, the water tank and the water baffle are matched to clamp and seal the mold assembly, the cooling water is discharged from the first water outlet and flows into the water tank to further cool the mold assembly, and the cooling water flows back to the water storage tank through the second water inlet, the second water outlet and the water pipe, so that the cooling water is further used, resources are saved, the protruding part of the first plate part increases the contact area between the cooling water and the mold assembly, the heat exchange efficiency is improved, the cooling time is shortened, and the production efficiency is improved; meanwhile, the first cooling assembly and the second cooling assembly clamp the mold assembly to tightly close the mold assembly, dust and the like in the air are isolated, the molded sole mold is prevented from being polluted, a large area of stains is prevented from being formed, the quality of the product after molding is affected, and the molding quality is improved.

[0013] Further, the rack is provided with a pushing assembly for moving the mold assembly on the operation platform, the pushing assembly comprises a first pushing member and a second pushing member, the first pushing member is located on one side of the operation platform, and the second pushing member is located on the other side of the operation platform; the first pushing member comprises a first telescopic frame and a first driving member; the first driving member is connected with the rack, the output end of the first driving member is connected with one end of the first telescopic frame, and the first driving member drives the other end of the first telescopic frame to abut against and push the mold assembly heated by the heating mechanism, so that the mold assembly is transferred to the cooling mechanism for cooling; the second pushing member comprises a second telescopic frame and a second driving member; the second driving member is connected with the rack, the output end of the second driving member is connected with one end of the second telescopic frame, and the second driving member drives the other end of the second telescopic frame to abut against and push the mold assembly cooled by the cooling mechanism, so that the mold assembly is moved out of the cooling mechanism; the pushing assembly realizes automatic movement of the mold assembly, avoids moving the heated mold assembly to scald the operator, and is beneficial to safe production.

[0014] The application also provides a sole hot and cold forming method, which comprises the following steps:

[0015] S1: feeding, turning over and opening the mold assembly by pulling the pull ring, placing the sole blank to be formed into the groove of the protruding part of the first plate part, coating the heat-absorbing coating on the outer side of the protruding part of the first plate part and / or the concave surface in the blind hole of the shaping part on the second plate part, and turning over and closing the mold assembly;

[0016] S2: heating, adjusting the heating time, heating temperature, cooling time through the operation screen, moving the mold assembly after feeding to the heating mechanism for heating, the heat emitted by the heating mechanism is conducted to the protruding part and / or the shaping part of the mold assembly, the heat-absorbing coating absorbs heat to warm up and soften the sole blank in the mold assembly;

[0017] S3: conveying, the first driving member drives the first telescopic frame to push the heated mold assembly, and the mold assembly is moved to the cooling mechanism;

[0018] S4: cooling, the cooling water in the external water storage tank flows into the blind hole of the shaping part on the second plate part through the water inlet pipe, and is discharged through the first water inlet and the first water outlet to take away heat and cool the mold assembly, the cooling water discharged from the first water outlet flows into the water tank to further cool the protruding part of the first plate part, and then flows back to the external water storage tank through the second water inlet and the second water outlet;

[0019] S5: discharging, the second driving member drives the second telescopic frame to push the cooled mold assembly, and the mold assembly is moved to the operation platform, the pull ring is pulled to open the mold assembly, and the formed sole blank is taken out.

[0020] The beneficial effects of the present application are: the heat-absorbing coating absorbs the heat emitted by the heating mechanism, avoids waste caused by heat dissipation, quickly heats and melts the sole blank in the mold assembly, and improves the heating efficiency; the first heating assembly and the second heating assembly conduct heat at the same time, indirectly heat the sole blank through the mold assembly, make the sole blank evenly heated, avoid uneven heating of the sole blank affecting the molding effect, improve the heating efficiency, at the same time, the first heating assembly and the second heating assembly cooperate with the cover to seal the mold assembly to reduce the heat dissipation area and prevent heat loss; the heat-absorbing coating is a black chromium coating, which has excellent thermal stability and high temperature resistance, is suitable for high temperature conditions, can work stably at 300°C for a long time, can better absorb heat and improve heating efficiency; the heat-absorbing coating on the outer side of the protruding part away from the groove and / or the inner concave surface of the blind hole can obtain a larger heating area and improve the heating efficiency; the circulation of the cooling water in the external water storage tank avoids waste of water resources; the blind hole and the protruding part increase the contact area between the cooling water and the mold assembly, improve the heat exchange efficiency, shorten the cooling time, and improve the production efficiency; the hooking part hooks the pull ring on the mold assembly to keep the mold assembly open, so that the sole blank can be manually taken out without holding the mold assembly with hands, which is convenient to operate and improves the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structure schematic view of a sole hot and cold forming device of the present application;

[0022] Figure 2 It is a structure schematic view of another view of a sole hot and cold forming device of the present application;

[0023] Figure 3 Structure diagram of the mold assembly of the present application in an open state;

[0024] Figure 4 Structure diagram of the mold assembly of the present application in an open state;

[0025] Figure 5 Structure diagram of the cooling mechanism and the heating mechanism of the present application;

[0026] Figure 6 Structure diagram of the first heating assembly of the present application;

[0027] Figure 7 Structure diagram of the first cooling assembly of the present application;

[0028] Figure 8 Structure diagram of the first pushing piece of the present application;

[0029] Figure 9 Structure diagram of the second pushing piece of the present application.

[0030] Reference signs include:

[0031] 1 - frame 2 - mold assembly 3 - heating mechanism

[0032] 4 - cooling mechanism 5 - operation platform 6 - slide rail

[0033] 7 - first heating assembly 8 - second heating assembly 9 - heating piece

[0034] 10 - groove 11 - heat-absorbing coating 12 - first plate part

[0035] 13 - second plate part 14 - pull ring 15 - first fixed plate

[0036] 16 - mounting groove 17 - heating box 18 - first lifting driving piece

[0037] 19 - temperature measuring sensor 20 - operation screen 21 - first cooling assembly

[0038] 22 - second fixed plate 23 - waterway plate 24 - water baffle

[0039] 25 - water inlet pipe 26 - first water inlet 27 - first water outlet

[0040] 28 - second cooling assembly 29 - second lifting driving piece 30 - water tank

[0041] 31 - second water inlet 32 - second water outlet 33 - support rod

[0042] 34 - hooking portion 35 - pushing assembly 36 - first pushing piece

[0043] 37 - second pushing piece 38 - first telescopic support 39 - first driving piece

[0044] 40 - second telescopic support 41 - second driving piece 42 - protruding portion

[0045] 43 - shaping portion 44 - blind hole DETAILED DESCRIPTION

[0046] In order to further clarify the technical means and effects taken by the present application to achieve the predetermined purposes, the specific embodiments, structures, features and effects according to the present application are described in detail below in combination with the drawings and preferred embodiments.

[0047] Referring to Figures 1 to 9 The present application is a kind of sole hot and cold forming device, which comprises a rack 1, a mold assembly 2 for accommodating a sole blank, a heating mechanism 3 for heating the mold assembly 2, a cooling mechanism 4 for cooling the heated mold assembly 2, and an operating platform 5 provided on the rack 1. The mold assembly 2 is movably arranged on the operating platform 5 to facilitate the movement of the mold assembly 2 to the heating mechanism 3 or the cooling mechanism 4. The heating mechanism 3 and the cooling mechanism 4 are respectively arranged on the rack 1. The mold assembly 2 has a first plate portion 12, a protruding portion 42 protruding from the first plate portion 12, and a groove 10 provided on the protruding portion 42 for accommodating the sole blank. The heating mechanism 3 heats the sole blank in the groove 10 by heating the protruding portion 42, so that the sole blank in the mold assembly 2 is warmed and softened to facilitate molding. The sole blank is uniformly heated by heat conduction heating of the heating mechanism 3, which improves the molding effect and the heating efficiency. The protruding portion 42 protruding from the first plate portion 12 increases the heating area of the mold assembly 2, so that the sole blank in the mold assembly 2 is quickly warmed and melted, improving the heating efficiency.

[0048] During production, the sole blank is placed in the groove of the first plate portion 12 of the mold assembly 2, and the mold assembly 2 is moved to the heating mechanism 3 via the operating platform 5. The heating mechanism 3 heats the sole blank in the groove 10 by heating the protruding portion 42, so that the sole blank in the mold assembly 2 is warmed and softened to facilitate molding. The heated mold assembly 2 is moved to the cooling mechanism 4 for cooling, and the molded sole after cooling is taken out.

[0049] The outer side of the protruding portion 42 away from the groove 10 is coated with a heat-absorbing coating 11. The heat-absorbing coating 11 absorbs the heat emitted by the heating mechanism 3 to raise the temperature of the protruding portion 42 and heat the sole blank in the groove 10. The heat-absorbing coating 11 absorbs the heat emitted by the heating mechanism 3, avoiding waste caused by heat dissipation, so that the sole blank in the mold assembly 2 is quickly warmed and melted, improving the heating efficiency.

[0050] The heating mechanism 3 comprises a first heating assembly 7 and a second heating assembly 8, the first heating assembly 7 and the second heating assembly 8 are respectively located on two sides of the mold assembly 2, and heating elements 9 are arranged on the first heating assembly 7 and the second heating assembly 8, and the heating elements 9 are used for heating the mold assembly 2. Through the simultaneous heat conduction heating of the first heating assembly 7 and the second heating assembly 8, the shoe sole blank is uniformly heated, the shoe sole blank in the mold assembly 2 is rapidly heated and melted, and the heating efficiency is improved.

[0051] The heat-absorbing coating 11 is a black chromium coating, the mold assembly 2 is provided with a second plate portion 13 abutting the first plate portion 12, a shaping portion 43 protruding from the second plate portion 13, the shaping portion 43 extends into the groove 10 and is used for abutting the shaped shoe sole blank, and a blind hole 44 is arranged on the side of the second plate portion 13 away from the shaping portion 43; the first plate portion 12 and the second plate portion 13 are rotationally connected through a hinge, the heat-absorbing coating 11 is arranged on the outer side of the protruding portion 42 away from the groove 10 and / or the inner concave surface of the blind hole 44; the free end of the second plate portion 13 and / or the first plate portion 12 is provided with a pull ring 14 facilitating opening of the mold assembly 2, and the pull ring 14 is rotationally connected with the second plate portion 13 and / or the first plate portion 12. The black chromium coating has excellent spectral selectivity, thermal stability and high-temperature resistance, is suitable for high-temperature conditions, can work stably at 300°C for a long time, can better absorb heat, and improves the heating efficiency; the heat-absorbing coating 11 arranged on the outer side of the protruding portion 42 away from the groove 10 and / or the inner concave surface of the blind hole 44 can obtain a larger heating area and improve the heating efficiency.

[0052] The first heating assembly 7 comprises a first fixed plate 15, the first fixed plate 15 is connected with the rack 1, the first fixed plate 15 is provided with a mounting groove 16 for mounting the heating element 9, and the heating element 9 is arranged in the mounting groove 16; the heat emitted by the heating element 9 is conducted to the mold assembly 2 to heat and soften the shoe sole blank in the mold assembly 2 for molding. The heating element 9 arranged in the mounting groove 16 indirectly conducts heat to the shoe sole blank through the mold assembly 2, so that the shoe sole blank is uniformly heated, the molding effect is not affected by uneven heating of the shoe sole blank, and the heating efficiency is improved.

[0053] The second heating assembly 8 comprises a heating box 17, a first lifting driving element 18 connected with the rack 1, an output end of the first lifting driving element 18 being connected with the heating box 17 to drive the heating box 17 to approach or move away from the first heating assembly 7, the heating box 17 accommodating the protruding part 42 of the mold assembly 2; a temperature measuring sensor 19 is arranged on the rack 1 or the heating box 17; the mold assembly 2 is moved to between the first heating assembly 7 and the second heating assembly 8 through the operation platform 5, the first lifting driving element 18 drives the heating box 17 to abut against the mold assembly 2, the first heating assembly 7 and the heating box 17 cooperate to clamp and seal the mold assembly 2, and the heat emitted by the heating element 9 is conducted to the mold assembly 2, so that the first plate part 12 and the second plate part 13 of the mold assembly 2 are tightly fitted, the mold assembly 2 is in a sealed environment, the heat dissipation area is reduced, the loss of heat is prevented, the waste of heat is avoided, and the heating efficiency is improved; the temperature measuring sensor facilitates real-time detection of the heating temperature, the heating element can be controlled to stop working when the temperature is too high, resource waste is avoided, and energy saving is achieved.

[0054] Preferably, the rack 1 is provided with an operation screen 20 for controlling the heating of the heating element 9, the operation screen 20 is electrically connected with the heating element 9 through an external power supply, and the heating temperature, the heating time of the heating element 9 and the cooling time of the cooling mechanism 4 are set through the operation screen 20. The operation screen 20 can be used to intelligently control the working of the heating element 9, the heating temperature and the heating time suitable for the heating and forming of the shoe sole blank can be selected, resource waste is avoided, energy saving is achieved, and production cost is saved.

[0055] The cooling mechanism 4 comprises a first cooling assembly 21, the first cooling assembly 21 comprising a second fixed plate 22, a waterway plate 23, a water blocking plate 24, a water inlet pipe 25 and a pump body element, the second fixed plate 22 being fixedly connected with the rack 1, the second fixed plate 22 and the water blocking plate 24 being arranged on the two sides of the waterway plate 23 respectively, the first water inlet 26 being arranged on the water blocking plate 24, the first water outlet 27 being arranged on the waterway plate 23, one end of the water inlet pipe 25 being connected with the pump body element, the pump body element being connected with an external water storage tank through a water pipe, the other end of the water inlet pipe 25 penetrating through the second fixed plate 22, the waterway plate 23 and the water blocking plate 24 and extending into the blind hole 44 of the second plate part 13, and a cooling unit for reducing the temperature of the cooling water being arranged in the water storage tank; the cooling water in the water storage tank is drawn out by the pump body element, flows into the blind hole 44 of the second plate part 13 through the water inlet pipe 25, and is discharged through the first water inlet 26 and the first water outlet 27 to cool the mold assembly 2, the blind hole 44 of the second plate part 13 increases the contact area between the cooling water and the mold assembly 2, improves the heat exchange efficiency, shortens the cooling time, improves the production efficiency, and the cooling unit in the water storage tank keeps the cooling water at a low temperature.

[0056] The cooling mechanism 4 further comprises a second cooling assembly 28, the first cooling assembly 21 and the second cooling assembly 28 are respectively located on both sides of the operation platform 5, the second cooling assembly 28 comprises a second lifting driving member 29 and a water tank 30, the second lifting driving member 29 is arranged on the rack 1, the output end of the second lifting driving member 29 is connected with the water tank 30 to drive the water tank 30 to move close to or away from the first cooling assembly 21, the water tank 30 is provided with a second water inlet 31 and a second water outlet 32, the second water outlet 32 is connected with an external water storage tank via a water pipe; the mold assembly 2 is moved to the water tank 30 via the operation platform 5, the second lifting driving member 29 drives the water tank 30 to move close to the first cooling assembly 21, the water tank 30 and the water baffle 24 cooperate to clamp and seal the mold assembly 2, the cooling water is discharged from the first water outlet 27 and flows into the water tank 30 to further cool the mold assembly 2, and the cooling water flows back to the water storage tank via the second water inlet 31, the second water outlet 32 and the water pipe, so that the cooling water is further used and resources are saved; the protruding part 42 of the first plate part 12 increases the contact area between the cooling water and the mold assembly 2, improves the heat exchange efficiency, shortens the cooling time and improves the production efficiency; meanwhile, the first cooling assembly 21 and the second cooling assembly 28 cooperate to clamp the mold assembly 2, so that the mold assembly 2 is tightly closed, dust and dust in the air are isolated, the molded sole is prevented from being polluted and forming a large area of stains, the quality of the product after molding is affected, and the molding quality is improved.

[0057] Preferably, the rack 1 is provided with a supporting rod 33, one end of the supporting rod 33 is rotationally connected with the rack 1, the other end of the supporting rod 33 is provided with a hook-shaped hooking part 34, the hooking part 34 hooks the pull ring 14 on the mold assembly 2, so that the mold assembly 2 is kept in an open state, the shoe sole blank is manually taken out without the need to hold the mold assembly 2 by hand, the operation is facilitated, and the production efficiency is improved.

[0058] The rack 1 is provided with a pushing assembly 35 for moving the mold assembly 2 on the operation platform 5, the pushing assembly 35 comprises a first pushing piece 36 and a second pushing piece 37, the first pushing piece 36 is located on one side of the operation platform 5, and the second pushing piece 37 is located on the other side of the operation platform 5; the first pushing piece 36 comprises a first telescopic frame 38 and a first driving piece 39; the first driving piece 39 is connected with the rack 1, one end of the first driving piece 39 is connected with the first telescopic frame 38, and the other end of the first telescopic frame 38 is driven by the first driving piece 39 to abut and push the mold assembly 2 heated by the heating mechanism 3, so that the mold assembly 2 is moved to the cooling mechanism 4 for cooling; the second pushing piece 37 comprises a second telescopic frame 40 and a second driving piece 41; the second driving piece 41 is connected with the rack 1, one end of the second driving piece 41 is connected with the second telescopic frame 40, and the other end of the second telescopic frame 40 is driven by the second driving piece 41 to abut and push the mold assembly 2 cooled by the cooling mechanism 4, so that the mold assembly 2 is moved out of the cooling mechanism 4. The pushing assembly 35 realizes automatic movement of the mold assembly 2, avoids moving the heated mold assembly 2 to scald the operator, and is beneficial to safety production.

[0059] Preferably, the operation screen 20 is provided with control buttons, and the heating time and heating temperature can be set according to different sole thicknesses or materials by operating the buttons.

[0060] Preferably, the rack 1 is provided with a third driving frame, the output end of the third driving piece is connected with the supporting rod 33, the third driving frame drives the supporting rod 33 to rotate relative to the rack 1, so that the hooking part 34 hooks the pull ring 14 to open the mold assembly 2, the mold assembly 2 is automatically opened, and the production efficiency is improved.

[0061] Preferably, the operation platform is provided with a sliding rail 6, and the mold assembly 2 is provided with a pulley rotatably connected with the mold assembly 2, the pulley is matched with the sliding rail 6, the mold assembly 2 is facilitated to move on the sliding rail 6, and the friction between the mold assembly 2 and the sliding rail 6 is reduced.

[0062] Preferably, a plurality of racks 1 can be directly combined on a flow conveying line of an automatic production line during production, one person can supervise and operate to realize automatic continuous and cyclic on-line sole forming production; the degree of automation is high, the number of devices can be determined according to the working environment, production capacity demand and number of workers, and a plurality of devices can be combined; during the combined production of the plurality of devices, each device can be individually set to different temperatures, the temperature can be more accurately controlled, the product quality and efficiency are improved, during the combined production, several different production conditions and different production parameters of products can be set, different product molds can be replaced as needed, and corresponding parameters can be flexibly adjusted in time, and the method is suitable for processing of a plurality of styles of soles.

[0063] The application also provides a sole hot and cold forming method, comprising the following steps:

[0064] S1: loading, pulling the pull ring 14 to flip open the mold assembly 2, placing the shoe sole blank to be formed into the groove 10 of the protruding part 42 of the first plate part 12, coating the concave surface of the blind hole 44 of the shaping part 43 on the outer side of the protruding part 42 of the first plate part 12 and / or the second plate part 13 with the heat-absorbing coating 11, and flipping to close the mold assembly 2;

[0065] S2: heating, adjusting the heating time, heating temperature, and cooling time through the operation screen 20, moving the loaded mold assembly 2 to the heating mechanism 3 for heating, the heat emitted by the heating mechanism 3 being conducted to the protruding part 42 and / or the shaping part 43 of the mold assembly 2, and the heat-absorbing coating 11 absorbing heat to warm and soften the shoe sole blank in the mold assembly 2;

[0066] S3: conveying, the first driving part 39 driving the first telescopic frame 38 to push the heated mold assembly 2, and moving the mold assembly 2 to the cooling mechanism 4;

[0067] S4: cooling, the cooling water in the external water storage tank flowing into the blind hole 44 of the shaping part 43 on the second plate part 13 through the water inlet pipe 25, and being discharged through the first water inlet 26 and the first water outlet 27 to take away heat and cool the mold assembly 2, the cooling water being discharged from the first water outlet 27 to flow into the water tank 30 to further cool the protruding part 42 of the first plate part 12, and being returned to the external water storage tank through the second water inlet 31 and the second water outlet 32;

[0068] S5: unloading, the second driving part 41 driving the second telescopic frame 40 to push the cooled mold assembly 2, and moving the mold assembly 2 to the operation platform 5, pulling the pull ring 14 to open the mold assembly 2, and taking out the formed shoe sole blank.

[0069] In production, the pull ring 14 is pulled to flip open the mold assembly 2, the shoe sole blank to be formed is placed into the groove 10 of the protruding part 42 of the first plate part 12, the concave surface of the blind hole 44 in the shaping part 43 of the second plate part 13 and the outer side of the protruding part 42 of the first plate part 12 are coated with the heat-absorbing coating 11, and the mold assembly 2 is flipped to be closed; the heating time, the heating temperature and the cooling time are adjusted through the operation screen 20, the mold assembly 2 after feeding is moved to between the first heating assembly 7 and the second heating assembly 8, the second heating assembly 8 is driven by the first lifting drive 18 to abut against the mold assembly 2, the mold assembly 2 is clamped with the first heating assembly 7 and the second heating assembly 8 and the heat emitted by the heating element 9 is conducted to the protruding part 42 and the shaping part 43 of the mold assembly 2, the heat-absorbing coating 11 absorbs heat to rapidly heat and soften the shoe sole blank in the mold assembly 2; the first heating assembly 7 is driven by the first lifting drive 18 to move away from the second heating assembly 8 to release the mold assembly 2, the first telescopic frame 38 is driven by the first drive 39 to abut against and push the heated mold assembly 2, and the mold assembly 2 is moved to between the first cooling assembly 21 and the second cooling assembly 28; the water tank 30 is driven by the second lifting drive 29 to abut against the mold assembly 2, the mold assembly 2 is clamped with the first cooling assembly 21, the cooling water in the external water storage tank flows into the blind hole 44 of the shaping part 43 of the second plate part 13 through the water inlet pipe 25, and the cooling water is discharged through the first water inlet 26 and the first water outlet 27 to take away heat and cool the mold assembly 2, the cooling water is discharged from the first water outlet 27 to flow into the water tank 30 to further cool the protruding part 42 of the first plate part 12, and the cooling water is returned to the external water storage tank through the second water inlet 31 and the second water outlet 32; the water tank 30 is driven by the second lifting drive 29 to move away from the first heating assembly 7 to release the cooled mold assembly 2, the second telescopic frame 40 is driven by the second drive 41 to abut against and push the cooled mold assembly 2, and the mold assembly 2 is moved to the operation platform 5, the pull ring 14 is pulled to hook the pull ring 14 on the hooking part 34 of the supporting rod 33, and the formed shoe sole blank is manually taken out.

[0070] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as the above preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, as long as the changes or modifications do not deviate from the technical solution of the present application. Any modification, change, equivalent change and modification of the above embodiment based on the technical essence of the present application are still within the scope of the technical solution of the present application.

Claims

1. A hot and cold forming apparatus for shoe soles, comprising a frame (1), a mold assembly (2) for accommodating shoe sole blanks, a heating mechanism (3) for heating the mold assembly (2), and a cooling mechanism (4) for cooling the heated mold assembly (2), wherein an operating platform (5) is provided on the frame (1), and the mold assembly (2) is movably mounted on the operating platform (5) to facilitate movement of the mold assembly (2) to the heating mechanism (3) or the cooling mechanism (4), and the heating mechanism (3) and the cooling mechanism (4) are respectively mounted on the frame (1); characterized in that: The mold assembly (2) has a first plate portion (12), a protrusion (42) protruding from the first plate portion (12), and a groove (10) provided on the protrusion (42) for accommodating the shoe sole blank. The heating mechanism (3) heats the shoe sole blank in the groove (10) via the heating protrusion (42), so that the shoe sole blank in the mold assembly (2) is heated and softened to facilitate molding. A heat-absorbing coating (11) is applied to the outer side of the protrusion (42) away from the groove (10); the heat-absorbing coating (11) absorbs the heat emitted by the heating mechanism (3), causing the temperature of the protrusion (42) to rise and heat the shoe sole blank in the groove (10); The heat-absorbing coating (11) is a black chrome coating. The mold assembly (2) is provided with a second plate (13) that fits the first plate (12) and a shaping part (43) that protrudes from the second plate (13). The shaping part (43) extends into the groove (10) to abut against the shaping shoe sole blank. A blind hole (44) is provided on the side of the second plate (13) away from the shaping part (43). The first plate (12) and the second plate (13) are rotatably connected by a hinge. The outer side of the protrusion (42) away from the groove (10) and / or the inner concave surface of the blind hole (44) are provided with the heat-absorbing coating (11). The free ends of the second plate (13) and / or the first plate (12) are provided with a pull ring (14) to facilitate opening the mold assembly (2). The pull ring (14) is rotatably connected to the second plate (13) and / or the first plate (12). The heating mechanism (3) includes a first heating component (7) and a second heating component (8), which are located on both sides of the mold assembly (2); The second heating component (8) includes a heating box (17) and a first lifting drive (18). The first lifting drive (18) is connected to the frame (1). The output end of the first lifting drive (18) is connected to the heating box (17) to drive the heating box (17) to move closer to or away from the first heating component (7). The heating box (17) accommodates the protrusion (42) of the mold assembly (2).

2. The shoe sole hot and cold forming apparatus according to claim 1, characterized in that: Both the first heating assembly (7) and the second heating assembly (8) are provided with heating elements (9), which are used to heat the mold assembly (2).

3. The hot and cold forming apparatus for shoe soles according to claim 2, characterized in that: The first heating component (7) includes a first fixing plate (15), which is connected to the frame (1). The first fixing plate (15) is provided with a mounting groove (16) for mounting the heating element (9), which is located in the mounting groove (16). The heat emitted by the heating element (9) is conducted to the mold assembly (2) to heat up and soften the shoe sole blank in the mold assembly (2) so that it is easy to form.

4. The shoe sole hot and cold forming apparatus according to claim 2, characterized in that: A temperature sensor (19) is provided on the frame (1) or the heating box (17); the mold assembly (2) is moved between the first heating assembly (7) and the second heating assembly (8) via the operating platform (5), and the first lifting drive (18) drives the heating box (17) to contact the mold assembly (2). The first heating assembly (7) and the heating box (17) cooperate to clamp and seal the mold assembly (2) and conduct the heat emitted by the heating element (9) to the mold assembly (2).

5. The hot and cold forming apparatus for shoe soles according to claim 1, characterized in that: The cooling mechanism (4) includes a first cooling component (21), which includes a second fixing plate (22), a water channel plate (23), a baffle plate (24), a water inlet pipe (25), and a pump body. The second fixing plate (22) is fixedly connected to the frame (1). The second fixing plate (22) and the baffle plate (24) are respectively set on both sides of the water channel plate (23). The baffle plate (24) is provided with a first water inlet (26), and the water channel plate (23) is provided with a first water outlet (27). One end of the water inlet pipe (25) is connected to the pump. The pump body is connected to the external water storage tank via a water pipe. The other end of the water inlet pipe (25) passes through the second fixed plate (22), the water circuit plate (23), and the baffle plate (24) and extends into the blind hole (44) of the second plate part (13). The water storage tank is equipped with a cooling unit to reduce the temperature of the cooling water. The pump body draws the cooling water from the water storage tank and flows into the blind hole (44) of the second plate part (13) through the water inlet pipe (25), and discharges through the first water inlet (26) and the first water outlet (27) to cool the mold assembly (2).

6. The hot and cold forming apparatus for shoe soles according to claim 5, characterized in that: The cooling mechanism (4) also includes a second cooling component (28). The first cooling component (21) and the second cooling component (28) are located on both sides of the operating platform (5). The second cooling component (28) includes a second lifting drive (29) and a water tank (30). The second lifting drive (29) is mounted on the frame (1). The output end of the second lifting drive (29) is connected to the water tank (30) to drive the water tank (30) to move closer to or away from the first cooling component (21). The water tank (30) is provided with a second inlet (31) and a second outlet (32). 32), the second outlet (32) is connected to the external water tank via a water pipe; the mold assembly (2) is moved to the water tank (30) via the operating platform (5), the second lifting drive (29) drives the water tank (30) to approach the first cooling assembly (21), the water tank (30) and the baffle plate (24) cooperate to clamp and seal the mold assembly (2), the cooling water is discharged from the first outlet (27) and flows into the water tank (30) to further cool the mold assembly (2), and flows back to the water tank via the second inlet (31), the second outlet (32) and the water pipe.

7. The hot and cold forming apparatus for shoe soles according to claim 1, characterized in that: The frame (1) is equipped with a push assembly (35) that pushes the mold assembly (2) to move upward on the operating platform (5). The push assembly (35) includes a first push member (36) and a second push member (37). The first push member (36) is located on one side of the operating platform (5), and the second push member (37) is located on the other side of the operating platform (5). The first push member (36) includes a first telescopic frame (38) and a first drive member (39). The first drive member (39) is connected to the frame (1), and the output end of the first drive member (39) is connected to one end of the first telescopic frame (38). The other end of the first telescopic frame (38) is driven to abut against the mold assembly (2) heated by the heating mechanism (3), and the mold assembly (2) is transferred to the cooling mechanism (4) for cooling; the second pusher (37) includes the second telescopic frame (40) and the second drive member (41); the second drive member (41) is connected to the frame (1), and the output end of the second drive member (41) is connected to one end of the second telescopic frame (40). The second drive member (41) drives the other end of the second telescopic frame (40) to abut against the cooling mechanism (4) to cool the mold assembly (2), and the mold assembly (2) is moved out of the cooling mechanism (4).

8. A method for hot and cold forming of shoe soles, comprising the steps of the hot and cold forming apparatus for shoe soles according to any one of claims 1-7: S1: Load material, pull the pull ring (14) to flip and open the mold assembly (2), place the shoe sole blank to be formed into the groove (10) of the protrusion (42) of the first plate (12), apply heat-absorbing coating (11) to the concave surface of the blind hole (44) of the shaping part (43) on the outside of the protrusion (42) of the first plate (12) and / or the second plate (13), and flip and close the mold assembly (2); S2: Heating, adjusting the heating time, heating temperature and cooling time via the operation screen (20), and transferring the mold assembly (2) after loading to the heating mechanism (3) for heating. The heat emitted by the heating mechanism (3) is conducted to the protrusion (42) and / or shaping part (43) of the mold assembly (2). The heat-absorbing coating (11) absorbs heat to make the shoe sole blank in the mold assembly (2) heat up and soften. S3: Conveying, the first driving component (39) drives the first telescopic frame (38) to push the heated mold assembly (2) and move the mold assembly (2) to the cooling mechanism (4); S4: Cooling, the cooling water from the external water tank flows into the blind hole (44) of the shaping part (43) on the second plate (13) through the water inlet pipe (25), and is discharged through the first water inlet (26) and the first water outlet (27) to carry away heat and cool the mold assembly (2). The cooling water is discharged from the first water outlet (27) and flows into the water tank (30) to further cool the protrusion (42) of the first plate (12), and flows back to the external water tank through the second water inlet (31) and the second water outlet (32). S5: Unloading, the second drive unit (41) drives the second telescopic frame (40) to push the cooled mold assembly (2) to transfer the mold assembly (2) to the operating platform (5), pull the pull ring (14) to open the mold assembly (2) and take out the formed shoe sole blank.

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