Casual shoe sole efficient forming processing equipment and processing method thereof

Abstract

The invention discloses a leisure shoe sole efficient forming processing device and a processing method thereof, and relates to the related field of shoe sole processing, the leisure shoe sole efficient forming processing device comprises a fixing seat, a hydraulic push rod is installed on the inner side of the upper end of the fixing seat, and the output end of the hydraulic push rod corresponds to the bottom of an upper mold; the upper mold is movably arranged right above the lower mold; the switching of only introducing the gas in a closed state into the lifting mechanism and introducing the gas into the gas nozzle after preliminary demolding is realized. According to the efficient molding processing equipment and method for the leisure shoe soles, when the molds are closed, cold air is only introduced into the lifting mechanism, the upper mold and the lower mold are driven to be slightly separated to form a gap, then the cold air is intermittently sprayed through the air spraying cooling mechanism, and the cold air is accurately injected into mold cavities through air spraying openings to complete formal demolding; the heat insulation frame is matched to reduce heat loss, the sealing gasket guarantees the forming sealing performance, the continuity of the machining process is optimized, and the service life of equipment is prolonged.

Description

Technical Field

[0001] This invention relates to the technical field of shoe sole processing, specifically to a high-efficiency molding and processing equipment and method for casual shoe soles. Background Technology

[0002] Currently, most casual shoe sole molding and processing equipment has a split structure, with each stage of extrusion molding, mold temperature control, and demolding and part removal controlled independently. This results in a lengthy overall processing flow and limited efficient mass production. Therefore, molding processing equipment is needed when processing casual shoes. During the molding process, a large amount of waste plastic is often generated, which can be processed and molded.

[0003] The efficiency of this process is not high. To solve this problem, we can refer to the existing technology (Chinese patent application number CN202120212799.6, application date 2021.01.26) which discloses a fully automatic shoe sole molding machine. This device rotates the mold groove into which thermoplastic material is injected to the bottom of the pressing module and the casting module through the mold table to perform the pressing and casting process. Compared with the traditional manual pressing, it is more efficient and has a longer continuous operating time. At the same time, it eliminates the hazards to workers caused by the high temperature melting state of thermoplastic material and reduces the occurrence of work accidents. We can also refer to the existing patent (Chinese patent application number CN202120294089.2, application date 2021.02.02) which discloses a popcorn shoe sole molding equipment. This molding equipment uses lifting rods, lifting screws, second stepper motors, etc. to cool down the shoe sole molding mold and the shoe sole inside the shoe sole molding mold to prevent high temperature from causing injury to workers. Finally, we can refer to the existing technology. The technology disclosed in Chinese Patent Application No. CN202210666318.8, filed on June 13, 2022, discloses a shoe sole molding equipment and its usage method. During operation, the equipment can fill a accommodating cavity with steam, while a first mold and a second mold are located within the accommodating cavity. The outer surfaces of the first and second molds are not in contact with the inner wall of the accommodating cavity, ensuring that the accommodating cavity formed by the first and second molds is evenly covered with steam. This allows the molding cavity to be heated from all directions, resulting in rapid heating and quick molding. Correspondingly, water can be quickly added to the accommodating cavity through the drain hole for cooling, further increasing the molding speed. The uniform heating and cooling of all parts of the molding cavity ensures molding quality. Furthermore, the first and second molds being located within the accommodating cavity allow for the molding of water-blooming shoe soles and secondary EVA shoe soles, enabling one molding machine to process two different materials, thus demonstrating strong practicality.

[0004] Although the above-mentioned device can process shoe soles, it still has some shortcomings in use. After the heating is completed and the inside of the processed part is cooled, the molded shoe sole is demolded by a mechanical mechanism after the cooling temperature drops. Due to the high temperature, stress concentration may occur in the newly formed shoe sole, and it may even lead to damage to the shoe sole later.

[0005] Therefore, we propose a high-efficiency molding and processing equipment and method for casual shoe soles to solve the problems mentioned above. Summary of the Invention

[0006] The purpose of this invention is to provide a high-efficiency molding and processing equipment and method for casual shoe soles, in order to solve the problem mentioned in the background art that in current shoe sole molding and processing equipment on the market, after heating, the interior of the processed part is cooled, and when the cooling temperature drops, the molded shoe sole is demolded by a mechanical mechanism. Due to the high temperature, this not only causes stress concentration in the newly formed shoe sole, but may even lead to damage to the shoe sole later.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a high-efficiency molding and processing equipment for casual shoe soles, comprising a fixed base, a hydraulic push rod installed on the inner side of the upper end of the fixed base, the output end of the hydraulic push rod corresponding to the bottom position of the upper mold, the upper mold being movably positioned directly above the lower mold; the four corners of the upper mold are also slidably disposed inside guide rods, the bottom position of the guide rods being fixed to the top corner position of the lower mold, and a return spring being nested on the outer side of the guide rods; air supply components are connected to both the left and right sides of the upper mold, and the output end of the air supply components is connected to a refrigeration compressor. The air inlets are connected; one end of the air supply component extending into the lower mold is connected to two sets of first air supply pipes via a three-way valve. The end of the first air supply pipe is provided with a lifting mechanism, the working end of which is attached to the bottom corner of the lower mold to drive the lower mold to slightly separate from the upper mold; the middle part of the first air supply pipe is connected to the second air supply pipe, and the other end of the second air supply pipe is connected to the air jet, which is connected to the cavity of the lower mold; an air path switching structure is provided between the upper mold and the lower mold to realize the switching of gas only entering the lifting mechanism in the closed state and gas entering the air jet after initial demolding.

[0008] Preferably, the top of the lower mold is provided with a heat insulation frame, and the inner wall of the heat insulation frame is attached to the outer side of the lower mold; the upper end of the lower mold is provided with a high-temperature resistant sealing gasket, which is used for sealing and fitting the upper mold and the lower mold in the closed state.

[0009] Preferably, the lifting mechanism includes a fixed pipe communicating with the outer end of the first air supply pipe. The interior of the fixed pipe is connected to the bottom of the piston block via a connecting spring. The top of the piston block is rotatably disposed at the bottom of the moving cylinder. A rotating disk is rotatably disposed at the top of the moving cylinder. The outer side of the rotating disk is attached to the top edge of the upper mold and slidably disposed on the upper outer side of the lower mold. The interior of the fixed pipe is provided with a jet cooling mechanism. The working end of the jet cooling mechanism corresponds to the separation gap between the upper mold and the lower mold and is used to intermittently jet cold air into the gap.

[0010] Preferably, the jet cooling mechanism includes a conical hole inside the piston block, a conical plug block fitted inside the conical hole, the top of the conical plug block being connected to the lower end of the fixing ring via a spring, and the outer side of the fixing ring being fixed inside the moving cylinder; and the conical plug block forming an elastic sliding structure with the inner side of the moving cylinder via the spring; the lower end of the moving cylinder near the rotating disk has an air outlet, which corresponds to the separation gap between the upper mold and the lower mold.

[0011] Preferably, the elastic force of the cooperating spring is greater than that of the connecting spring, and the outer side of the conical plug forms an elastic sliding structure with the inner side of the moving cylinder through the cooperating spring. The fixed tube is provided with a rotating mechanism inside, and the working end of the rotating mechanism acts on the outer side of the moving cylinder to drive the moving cylinder to rotate, so that the air outlet sprays cold air evenly.

[0012] Preferably, the rotating mechanism includes a fixed sleeve fixed to the inner side of the upper end of the fixed tube, the inner side of the fixed sleeve being threadedly connected to the rotating threaded cylinder, the outer side of the rotating threaded cylinder being fixed to the outer side of the moving cylinder, and the moving cylinder forming a spiral lifting rotating structure with the inner side of the fixed tube through the rotating threaded cylinder.

[0013] Preferably, the air path switching structure includes a through hole opened in the lower mold near the two sets of rotating disks, a twisted rod fixed to the bottom of the upper mold, the twisted rod being directly above the through hole; a threaded connecting block is rotatably disposed inside the through hole, the bottom outer side of the threaded connecting block being threadedly connected to the top of the slide rod, the slide rod having a square structure, and its outer side being slidably disposed inside the lower mold; the bottom of the slide rod is fixed to the top of the extrusion block, the bottom of the extrusion block is attached to the top of the second air supply pipe, and the bottom of the second air supply pipe is attached to the top of the fixed block.

[0014] Preferably, a buffer pad is adhered to the bottom of the extrusion block, and the bottom corner of the extrusion block is slidably disposed at the top corner of the fixed block via a guide rail.

[0015] Preferably, both the first and second air supply pipes are made of high-temperature rubber resistant to temperatures above 200°C, and the air supply component is equipped with a solenoid valve to achieve intermittent air jetting.

[0016] A method for high-efficiency molding of casual shoe soles, applied to high-efficiency molding equipment for casual shoe soles, includes the following steps: S1: When the raw material is injected and the mold is closed, the hydraulic push rod on the fixed seat is activated, pushing the upper mold to slide down along the guide rod until the upper mold and the high temperature resistant sealing gasket at the upper end of the lower mold are tightly fitted. The twist rod is inserted into the through hole of the lower mold, so that the extrusion block presses the second air supply pipe, and the air circuit is switched to the first air supply pipe conduction state. S2: Heating and heat insulation protection. The mold is kept closed while the raw material is heated and shaped. The heat insulation frame at the top of the lower mold reduces heat loss and ensures the molding effect. S3: Initial demolding and air circuit switching, start the refrigeration compressor, the air supply component intermittently sprays air through the solenoid valve, driving the moving cylinder to rotate and lift in a spiral manner through the cooperation of the rotating threaded cylinder and the fixed sleeve, and the rotating plate pushes the upper mold and the lower mold to separate slightly; S4: Cooling and uniform air jetting. The air pressure inside the fixed tube increases, which overcomes the elastic force of the spring and pushes the conical plug. The cold air is evenly injected into the separation gap through the air outlet. At the same time, air is injected into the mold cavity from the air jet outlet through the second air supply pipe to achieve rapid cooling and anti-sticking. S5: Complete demolding and equipment reset, hydraulic push rod resets, twist rod moves upward, extrusion block resets, second air supply pipe is unblocked, gas-assisted demolding is performed, molded shoe sole is removed; residual impurities in the mold are cleaned, and the processing cycle is completed.

[0017] Compared with existing technologies, the beneficial effects of this invention are as follows: This high-efficiency molding and processing equipment and method for casual shoe soles, after collecting and processing waste plastics into molds, allows cold air to enter only the lifting mechanism when the mold closes, driving the upper and lower molds to slightly separate and form a gap. Then, a jet cooling mechanism intermittently sprays cold air, utilizing the principle of thermal expansion and contraction to achieve initial demolding without mechanical contact. After mold separation, the air path automatically switches, and cold air is precisely injected into the mold cavity through the jet nozzle to complete the formal demolding. This process avoids mechanical abrasion that could damage the high-temperature sole, significantly reducing the risk of stress concentration and improving the sole molding pass rate. Simultaneously, the lifting and rotating mechanisms work together to ensure that cold air evenly covers the surface of the molded part. Combined with a heat insulation frame to reduce heat loss and a sealing gasket to ensure molding sealing, this optimizes the continuity of the processing flow and extends the equipment's service life. Specific details are as follows: 1. When the mold closes, the extrusion block blocks the second air supply pipe, ensuring that the cold air is concentrated to drive the lifting mechanism to achieve precise micro-separation, creating a foundation for cooling and demolding; after initial demolding, the air path is automatically opened, and the cold air acts synchronously on the mold gap and cavity, realizing the integration of rapid cooling and gas-assisted demolding; this design not only avoids damage to the shoe sole by avoiding high temperature through non-mechanical contact, but also uses intermittent air jetting and rotating uniform air jetting structure to make the cooling more uniform, further reducing the risk of deformation of the molded parts.

[0018] 2. The heat insulation frame of the lower mold works in conjunction with the high-temperature resistant sealing gasket to ensure temperature stability during the heating and molding stage, preventing incomplete solidification of the raw material, and preventing cold air leakage from affecting the demolding effect; the lifting mechanism is designed with a spring ratio between the spring and the connecting spring to ensure precise and controllable timing of lifting before air jetting; the conical plug and the air outlet are structurally compatible to achieve efficient cold air jetting; the buffer pad and guide rail design of the extrusion block ensure the sealing of the air path switching and reduce component wear. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the main structure of the present invention; Figure 2 This is a schematic diagram of the structure of the present invention from a bottom view; Figure 3 For the present invention Figure 2 Enlarged structural diagram at point A in the middle; Figure 4 This is a top view of the mold structure of the present invention; Figure 5 This is a schematic diagram of the main structure of the gas conveying component of the present invention; Figure 6 This is a schematic diagram of the main cross-sectional structure of the fixed tube of the present invention; Figure 7 This is a side view of the fixed sleeve structure of the present invention; Figure 8 This is a side cross-sectional view of the movable cylinder structure of the present invention; Figure 9 This is a schematic diagram of the main structure of the extrusion block of the present invention.

[0020] In the diagram: 1. Fixed base; 2. Hydraulic push rod; 3. Upper mold; 4. Lower mold; 5. Guide rod; 6. Return spring; 7. Air supply component; 71. First air supply pipe; 72. Second air supply pipe; 8. Fixed pipe; 9. Connecting spring; 10. Piston block; 11. Moving cylinder; 12. Rotating disk; 13. Conical plug block; 14. Matching spring; 15. Fixed ring; 16. Air outlet; 17. Rotating threaded cylinder; 18. Fixed sleeve; 19. Twisted rod; 20. Through hole; 21. Threaded connecting block; 22. Slide rod; 23. Extrusion block; 24. Fixed block; 25. Air jet nozzle. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] Please see Figures 1-9 The present invention provides the following technical solution: a high-efficiency forming and processing equipment for casual shoe soles.

[0023] Example 1: Currently, in commercially available shoe sole molding equipment, after heating, the interior of the molded part is cooled. Once the temperature drops, a mechanical mechanism demolds the molded sole. However, due to the high temperature, this process not only causes stress concentration in the newly formed sole but can also lead to later damage. (See attached...) Figure 1 - Appendix Figure 7 A hydraulic push rod 2 is installed on the inner side of the upper end of the fixed base 1. The output end of the hydraulic push rod 2 corresponds to the bottom position of the upper mold 3. The upper mold 3 is movably set directly above the lower mold 4. The corners of the upper mold 3 are also slidably set inside the guide rod 5. The bottom position of the guide rod 5 is fixed to the top corner position of the lower mold 4. A return spring 6 is also nested on the outer side of the guide rod 5. Gas supply components 7 are connected to both the left and right sides of the upper mold 3. The output end of the gas supply component 7 is connected to the gas port of the refrigeration compressor. One end of the air supply component 7, extending into the lower mold 4, is connected to two sets of first air supply pipes 71 via a three-way valve. A lifting mechanism is provided at the end of each first air supply pipe 71. The working end of the lifting mechanism is attached to the bottom corner of the lower mold 4 to drive the lower mold 4 to slightly separate from the upper mold 3. The lifting mechanism includes a fixed pipe 8 connected to the outer end of the first air supply pipe 71. The interior of the fixed pipe 8 is connected to the bottom of the piston block 10 via a connecting spring 9. The top of the piston block 10 is rotatably mounted at the bottom of the moving cylinder 11. A rotating disk 12 is rotatably mounted on the top of the upper mold 3, with its outer side fitting against the top edge of the upper mold 3 and slidingly mounted on the upper outer side of the lower mold 4. A jet cooling mechanism is installed inside the fixed pipe 8, with its working end corresponding to the separation gap between the upper mold 3 and the lower mold 4, used to intermittently spray cold air into the gap. The jet cooling mechanism includes a conical hole inside the piston block 10, with a conical plug 13 fitted inside the conical hole. The top of the conical plug 13 is connected to the piston block 14 by a cooperating spring. The lower end of the fixing ring 15 is connected, and the outer side of the fixing ring 15 is fixed inside the moving cylinder 11; and the conical plug 13 forms an elastic sliding structure with the inner side of the moving cylinder 11 through the cooperating spring 14; the lower end of the moving cylinder 11 near the rotating disk 12 is provided with an air outlet 16, which corresponds to the separation gap between the upper mold 3 and the lower mold 4; the elastic force of the cooperating spring 14 is greater than the elastic force of the connecting spring 9, and the outer side of the conical plug 13 forms an elastic sliding structure with the inner side of the moving cylinder 11 through the cooperating spring 14.

[0024] The hydraulic push rod 2 on the fixed base 1 is activated, pushing the upper mold 3 to slide downwards along the guide rod 5 until it precisely fits with the lower mold 4. The return spring 6 on the outside of the guide rod 5 is compressed, providing elastic potential energy for subsequent reset. At this time, the equipment completes the raw material injection and sealing, and enters the heating and forming process. After heating and forming, the refrigeration compressor is started, and cold air is introduced into the two sets of first air supply pipes 71 through the air supply component 7 and the three-way valve, and then into the fixed pipe 8 of the lifting mechanism. The air pressure in the fixed pipe 8 increases, pushing the piston block 10 to move upwards against the elastic force of the connecting spring 9, thereby driving the moving cylinder 11 and the rotating disk 12 at the top to rise synchronously. The upper mold 3 and the lower mold 4 are slightly separated by the push, forming a uniform gap to prepare for cold air penetration and demolding. Since the elastic force of the cooperating spring 14 is greater than that of the connecting spring 9, when the air pressure in the fixed tube 8 continues to increase to the threshold, the cold air overcomes the restraint of the cooperating spring 14 and pushes the conical plug 13 in the piston block 10 to slide upward, so that the conical hole is open. The cold air enters the moving cylinder 11 through the conical hole, and then is intermittently sprayed into the mold separation gap through the air outlet 16 at the lower end. The principle of thermal expansion and contraction is used to make the sole of the shoe naturally separate from the inner wall of the mold, avoiding stress concentration and damage caused by mechanical contact, and achieving initial demolding.

[0025] Example 2: This example differs from Example 1 in that it primarily addresses the issue of spraying cold air in different directions before the thermal expansion and contraction process, thus preventing the cold air from being sprayed too concentratedly. See attached document for details. Figure 6 - Appendix Figure 8 The fixed tube 8 is equipped with a rotating mechanism inside. The working end of the rotating mechanism acts on the outside of the moving cylinder 11 to drive the moving cylinder 11 to rotate, so that the air outlet 16 sprays cold air evenly. The rotating mechanism includes a fixed sleeve 18 fixed to the inner side of the upper end of the fixed tube 8. The inner side of the fixed sleeve 18 is threadedly connected to the rotating threaded cylinder 17. The outer side of the rotating threaded cylinder 17 is fixed to the outer side of the moving cylinder 11. The moving cylinder 11 and the inner side of the fixed tube 8 form a spiral lifting rotating structure through the rotating threaded cylinder 17.

[0026] During the process of the air supply component 7 delivering cold air to the fixed pipe 8 and pushing the piston block 10 to drive the moving cylinder 11 to rise, the rotating threaded cylinder 17 on the outer side of the moving cylinder 11 and the fixed sleeve 18 on the inner side of the upper end of the fixed pipe 8 form a threaded engagement. Due to the guiding effect of the threaded connection, the moving cylinder 11 rotates spirally around its own axis while rising and falling along the axial direction. This rotation causes the air outlet 16 at the lower end of the moving cylinder 11 to rotate synchronously, so that the cold air is no longer concentrated in a single area, but evenly covers the separation gap between the upper mold 3 and the lower mold 4, ensuring that the cooling rate of each part of the sole is consistent, further avoiding deformation caused by local temperature differences, and improving the stability of the initial demolding and the molding quality of the sole.

[0027] Example 3: To facilitate subsequent demolding, please refer to the attached document. Figure 4 Appendix Figure 5and attached Figure 9 The middle part of the first gas supply pipe 71 is connected to the second gas supply pipe 72, and the other end of the second gas supply pipe 72 is connected to the jet nozzle 25, which is connected to the cavity of the lower mold 4. A gas path switching structure is provided between the upper mold 3 and the lower mold 4 to switch the gas from only entering the lifting mechanism in the closed state to entering the jet nozzle 25 after initial demolding. A heat insulation frame is provided on the top of the lower mold 4, and the inner wall of the heat insulation frame is attached to the outer side of the lower mold 4. A high-temperature resistant sealing gasket is provided at the upper end of the lower mold 4, which is used for sealing the upper mold 3 and the lower mold 4 in the closed state. The gas path switching structure includes a through hole 20 opened in the lower mold 4 near the two sets of rotating disks 12. A twisted rod 19 is fixed at the bottom of the upper mold 3. Directly above the through hole 20; a threaded connecting block 21 is rotatably installed inside the through hole 20, the bottom outer side of the threaded connecting block 21 is threadedly connected to the top of the slide rod 22, the slide rod 22 has a square structure, and its outer side is slidably installed inside the lower mold 4; the bottom of the slide rod 22 is fixed to the top of the extrusion block 23, the bottom of the extrusion block 23 is attached to the top of the second air supply pipe 72, and the bottom of the second air supply pipe 72 is attached to the top of the fixed block 24; a buffer pad is adhered to the bottom of the extrusion block 23, and the bottom corner of the extrusion block 23 is slidably installed at the top corner of the fixed block 24 via a guide rail; the first air supply pipe 71 and the second air supply pipe 72 are both made of high-temperature resistant rubber material above 200℃, and the air supply component 7 is equipped with a solenoid valve to realize intermittent air jet.

[0028] When the mold closes, the twisted rod 19 at the bottom of the upper mold 3 is inserted into the through hole 20 of the lower mold 4, driving the internal threaded connecting block 21 to rotate; the threaded connecting block 21 is threadedly engaged with the square slide rod 22, causing the slide rod 22 to slide downward along the inside of the lower mold 4, so that the bottom extrusion block 23 presses against the second air supply pipe 72. At this time, the air passage is only connected to the first air supply pipe 71, ensuring that the cold air is concentrated to drive the lifting mechanism to move; the heat insulation frame at the top of the lower mold 4 reduces heat loss during the heating and molding stage, and the high-temperature resistant sealing gasket ensures the sealing when closed, preventing raw material leakage; the hydraulic push rod 2 drives the upper mold 3 to move upward, the twisted rod 19 disengages from the through hole 20, the threaded connecting block 21 stops rotating, the extrusion block 23 resets under the guidance of the guide rail, and the second air supply pipe 72 is unblocked. The cold air is diverted from the first air supply pipe 71 to the second air supply pipe 72, and then precisely injected into the cavity of the lower mold 4 through the jet nozzle 25. The gas pressure pushes the sole of the shoe completely out of the mold, completing the formal demolding. The air supply pipe is made of rubber material that can withstand temperatures above 200℃ to adapt to the processing environment. The cushioning pad reduces the wear of the extrusion block 23 on the air supply pipe. The solenoid valve realizes the intermittent injection of cold air, taking into account both the cooling effect and energy saving requirements.

[0029] A method for high-efficiency molding of casual shoe soles, applied to high-efficiency molding equipment for casual shoe soles, includes the following steps: S1: When the raw material is injected and the mold is closed, the hydraulic push rod on the fixed seat is activated, pushing the upper mold to slide down along the guide rod until the upper mold and the high temperature resistant sealing gasket at the upper end of the lower mold are tightly fitted. The twist rod is inserted into the through hole of the lower mold, so that the extrusion block presses the second air supply pipe, and the air circuit is switched to the first air supply pipe conduction state. S2: Heating and heat insulation protection. The mold is kept closed while the raw material is heated and shaped. The heat insulation frame at the top of the lower mold reduces heat loss and ensures the molding effect. S3: Initial demolding and air circuit switching, start the refrigeration compressor, the air supply component intermittently sprays air through the solenoid valve, driving the moving cylinder to rotate and lift in a spiral manner through the cooperation of the rotating threaded cylinder and the fixed sleeve, and the rotating plate pushes the upper mold and the lower mold to separate slightly; S4: Cooling and uniform air jetting. The air pressure inside the fixed tube increases, which overcomes the elastic force of the spring and pushes the conical plug. The cold air is evenly injected into the separation gap through the air outlet. At the same time, air is injected into the mold cavity from the air jet outlet through the second air supply pipe to achieve rapid cooling and anti-sticking. S5: Complete demolding and equipment reset, hydraulic push rod resets, twist rod moves upward, extrusion block resets, second air supply pipe is unblocked, gas-assisted demolding is performed, molded shoe sole is removed; residual impurities in the mold are cleaned, and the processing cycle is completed.

[0030] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A high-efficiency molding and processing equipment for casual shoe soles, comprising a fixed base (1), wherein a hydraulic push rod (2) is installed on the inner side of the upper end of the fixed base (1), the output end of the hydraulic push rod (2) is located at the bottom of an upper mold (3), and the upper mold (3) is movably positioned directly above a lower mold (4); characterized in that: The upper mold (3) is slidably disposed inside the guide rod (5) at the four corners. The bottom of the guide rod (5) is fixed at the top corner of the lower mold (4). A return spring (6) is nested on the outside of the guide rod (5). Gas supply components (7) are connected to both the left and right sides of the upper mold (3). The output end of the gas supply component (7) is connected to the gas port of the refrigeration compressor. One end of the gas supply component (7) that extends into the lower mold (4) is connected to two sets of first gas supply pipes (71) through a three-way valve. The end of the first gas supply pipe (71) is provided with a lifting mechanism. The lifting mechanism has its working end attached to the bottom corner of the lower mold (4) to drive the lower mold (4) to slightly separate from the upper mold (3); the middle part of the first gas pipe (71) is connected to the second gas pipe (72), and the other end of the second gas pipe (72) is connected to the air jet (25), which is connected to the cavity of the lower mold (4); a gas path switching structure is provided between the upper mold (3) and the lower mold (4) to realize the switching of gas only entering the lifting mechanism in the closed state and gas entering the air jet (25) after initial demolding.

2. The high-efficiency molding and processing equipment for casual shoe soles according to claim 1, characterized in that: The lower mold (4) is provided with a heat insulation frame at the top, and the inner wall of the heat insulation frame is attached to the outer side of the lower mold (4); the upper end of the lower mold (4) is provided with a high temperature resistant sealing gasket, which is used for sealing and fitting the upper mold (3) and the lower mold (4) in the closed state.

3. The high-efficiency molding and processing equipment for casual shoe soles according to claim 1, characterized in that: The lifting mechanism includes a fixed pipe (8) connected to the outer end of the first gas supply pipe (71). The inside of the fixed pipe (8) is connected to the bottom of the piston block (10) through a connecting spring (9). The top of the piston block (10) is rotatably disposed at the bottom of the moving cylinder (11). The top of the moving cylinder (11) is rotatably disposed with a rotating disk (12). The outer side of the rotating disk (12) is attached to the top edge of the upper mold (3) and is slidably disposed on the upper outer side of the lower mold (4). The fixed pipe (8) is provided with a jet cooling mechanism. The working end of the jet cooling mechanism corresponds to the separation gap between the upper mold (3) and the lower mold (4) and is used to intermittently spray cold air into the gap.

4. The high-efficiency molding and processing equipment for casual shoe soles according to claim 3, characterized in that: The jet cooling mechanism includes a conical hole inside the piston block (10), and a conical plug (13) is fitted inside the conical hole. The top of the conical plug (13) is connected to the lower end of the fixing ring (15) through a cooperating spring (14). The outer side of the fixing ring (15) is fixed inside the moving cylinder (11). The conical plug (13) forms an elastic sliding structure with the inner side of the moving cylinder (11) through the cooperating spring (14). An air outlet (16) is opened at the lower end of the moving cylinder (11) near the rotating disk (12). The air outlet (16) corresponds to the separation gap between the upper mold (3) and the lower mold (4).

5. The high-efficiency molding and processing equipment for casual shoe soles according to claim 4, characterized in that: The elastic force of the cooperating spring (14) is greater than that of the connecting spring (9), and the outer side of the conical plug (13) forms an elastic sliding structure with the inner side of the moving cylinder (11) through the cooperating spring (14). The fixed tube (8) is provided with a rotating mechanism inside. The working end of the rotating mechanism acts on the outer side of the moving cylinder (11) to drive the moving cylinder (11) to rotate, so that the air outlet (16) sprays cold air evenly.

6. The high-efficiency molding and processing equipment for casual shoe soles according to claim 5, characterized in that: The rotating mechanism includes a fixed sleeve (18) fixed to the inner side of the upper end of the fixed tube (8). The inner side of the fixed sleeve (18) is threadedly connected to the rotating threaded cylinder (17). The outer side of the rotating threaded cylinder (17) is fixed to the outer side of the moving cylinder (11). The moving cylinder (11) forms a spiral lifting rotating structure with the inner side of the fixed tube (8) through the rotating threaded cylinder (17).

7. The high-efficiency molding and processing equipment for casual shoe soles according to claim 1, characterized in that: The gas path switching structure includes a through hole (20) opened in the lower mold (4) near the two sets of rotating disks (12), a twisted rod (19) fixed at the bottom of the upper mold (3), the twisted rod (19) being directly above the through hole (20); a threaded connecting block (21) is rotatably arranged inside the through hole (20), the bottom outer side of the threaded connecting block (21) is threadedly connected to the top of the slide rod (22), the slide rod (22) is a square structure, and its outer side is slidably arranged inside the lower mold (4); the bottom of the slide rod (22) is fixed to the top of the extrusion block (23), the bottom of the extrusion block (23) is attached to the top of the second gas supply pipe (72), and the bottom of the second gas supply pipe (72) is attached to the top of the fixed block (24).

8. The high-efficiency forming and processing equipment for casual shoe soles according to claim 7, characterized in that: The bottom of the extrusion block (23) is attached with a buffer pad. The bottom corner of the extrusion block (23) is slidably set at the top corner of the fixed block (24) via a guide rail. The twist rod (19) and the top of the threaded connecting block (21) are connected by a helical pair.

9. The high-efficiency molding and processing equipment for casual shoe soles according to claim 7, characterized in that: The first gas pipe (71) and the second gas pipe (72) are both made of high-temperature rubber material that can withstand temperatures above 200°C, and the gas supply component (7) is equipped with a solenoid valve to achieve intermittent gas injection.

10. A method for efficient molding of casual shoe soles, applied to the efficient molding equipment for casual shoe soles according to any one of claims 1-9, characterized in that, Includes the following steps: S1: When the raw material is injected and the mold is closed, start the hydraulic push rod (2) on the fixed seat (1) to push the upper mold (3) to slide down along the guide rod (5) until the upper mold (3) and the high temperature resistant sealing gasket at the upper end of the lower mold (4) are tightly fitted. The twist rod (19) is inserted into the through hole (20) of the lower mold (4) so ​​that the extrusion block (23) presses the second gas pipe (72) and the gas path is switched to the first gas pipe (71) conduction state. S2: Heating and heat insulation protection, keeping the mold closed to heat and shape the raw material, the heat insulation frame at the top of the lower mold (4) reduces heat loss and ensures the molding effect; S3: Initial demolding and air circuit switching, start the refrigeration compressor, the air supply component (7) intermittently sprays air through the solenoid valve, driving the moving cylinder (11) to rotate by rotating the threaded cylinder (17) and the fixed sleeve (18) in a spiral lifting and rotating manner, and the rotating disk (12) pushes the upper mold (3) and the lower mold (4) to separate slightly; S4: Cooling and uniform air jetting, the air pressure inside the fixed tube (8) increases, overcoming the elastic force of the spring (14) to push the conical plug (13), and the cold air is uniformly sprayed into the separation gap through the air outlet (16), and simultaneously sprayed into the mold cavity from the air jet outlet (25) through the second air supply pipe (72), so as to achieve rapid cooling and anti-sticking. S5: Complete demolding and equipment reset, hydraulic push rod (2) resets, twist rod (19) moves up, extrusion block (23) resets, second air pipe (72) is unblocked, demolding is assisted by gas, and the molded shoe sole is taken out; clean the mold residual impurities and complete the processing cycle.

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