ETPU shoe sole automatic injection molding equipment

Abstract

The ETPU shoe sole automatic injection molding equipment comprises an upper film frame, a guide rail frame and two lower mold assemblies, the upper film frame is installed on the guide rail frame, the two lower mold assemblies are arranged on the two corresponding sides of the upper film frame respectively, and the lower mold assemblies are arranged on the guide rail frame in a sliding mode; the lower die assembly comprises a moving seat and a plurality of lower die plate containing grooves, the moving seat is installed on the guide rail frame in a sliding mode, the lower die plate containing grooves are evenly located in the moving seat, a lifting seat is installed on the upper die frame in a lifting mode, and a plurality of upper die plate containing grooves corresponding to the lower die plate containing grooves in a one-to-one mode are formed in the lifting seat. According to the ETPU shoe sole automatic injection molding equipment, a plurality of shoe soles can be produced at a time through the arrangement of the multiple lower mold plate containing grooves, and the two lower mold assemblies are matched for one-in and one-out, so that molding and grouting are conducted at the same time, and the production efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of sole molding, and in particular relates to an ETPU sole automatic injection molding device. Background Art

[0002] The structure of the sole is quite complicated. In a broad sense, it can include the outsole, midsole and heel and other parts. In a narrow sense, it only refers to the outsole of the shoe. The material for making the sole generally needs to have good wear resistance, water resistance, heat resistance, impact resistance, high elasticity and other advantages. Among the existing materials, only organic polymer materials can meet the above conditions at the same time. Most of the sole molding machines in the prior art adopt pressing molding. The sole is placed in a molding mold, and then a pressure machine is used to press the sole in the mold into shape. The sole molding mold is opened, and then it is necessary to wait for the operator to separate the sole from the mold and inject glue again before the next sole molding can be carried out. Only one sole can be molded at a time, so the production efficiency is slow. Summary of the invention

[0003] In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide an ETPU sole automatic injection molding device, which can form multiple pieces at a time and increase production efficiency.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: an ETPU sole automatic injection molding equipment, comprising an upper film frame, a guide rail frame and two lower mold assemblies, the upper film frame is installed on the guide rail frame, the two lower mold assemblies are respectively placed on the corresponding sides of the upper film frame, and the lower mold assembly is slidably placed on the guide rail frame; the lower mold assembly includes a moving seat and a plurality of lower template placement grooves, the moving seat is slidably installed on the guide rail frame, and the plurality of lower template placement grooves are evenly located on the moving seat, and a lifting seat is lifted and lowered on the upper film frame, and the lifting seat is provided with a plurality of upper template placement grooves corresponding to the plurality of lower template placement grooves one by one.

[0005] The two lower mold assemblies are fixedly connected to each other, and a driving cylinder is rotatably connected to the lower part of the lower mold assembly, and the output end of the driving cylinder is rotatably connected to one end of the guide track frame.

[0006] The upper film frame is provided with a lifting cylinder for driving the lifting seat to move up and down, and the lifting end of the lifting cylinder is connected to the lifting seat of the upper film frame.

[0007] Steam circulation components are respectively provided below the corresponding two ends of the guide track frame, and two one-way valves connected to the lower mold component are provided below the steam circulation component. The lower mold component is equipped with a butt joint connected to the one-way valve; the one-way valve includes a conduit, a sealing block is slidably installed in the conduit, a spring is installed between the sealing block and the conduit, and a side wall of the butt joint is provided with a plurality of air holes connected to the conduit.

[0008] The plurality of air holes are equidistantly arranged around the butt joint pipe.

[0009] The steam circulation component includes a steam heating component, a gas refrigeration component, an air supply pipe, an air intake pipe, two solenoid valve output control pipes and two solenoid valve inlet control pipes. The steam heating component and the gas refrigeration component are arranged side by side. The two solenoid valve output control pipes are respectively installed at the output of the steam heating component and the gas refrigeration component, and are both connected to the air supply pipe. The two solenoid valve inlet control pipes are respectively installed at the input of the steam heating component and the gas refrigeration component, and are both connected to the air intake pipe. The air supply pipe and the air intake pipe are respectively connected to two one-way valves. An insulation board is installed between the steam heating component and the gas refrigeration component.

[0010] There are automatic shoe removal grouting components above the corresponding two ends of the guide track frame, and the automatic shoe removal grouting components include a movable bracket, a lifting grouting head, a lifting adsorption head and a telescopic conveyor belt. The telescopic conveyor belt is located on one side of the guide track frame. The lifting grouting head and the lifting adsorption head are both installed on the movable end of the movable bracket. The movable end of the movable bracket is arranged to move back and forth between the guide track frame and the telescopic conveyor belt. A grouting bucket connected to the lifting grouting head is installed on the movable bracket.

[0011] The telescopic transmission belt includes a transmission bracket, an active transmission shaft, a lifting transmission shaft, a horizontally movable transmission shaft and a transmission belt surface. The active transmission shaft and the horizontally movable transmission shaft are symmetrically rotatably installed at both ends of the transmission bracket. A horizontal rodless cylinder for driving the horizontally movable transmission shaft to move horizontally is installed on the transmission bracket. The active transmission shaft is installed in the middle section of the transmission bracket. A lifting rodless cylinder for driving the lifting transmission shaft to lift and lower is installed on the transmission bracket. The transmission belt surface is wound around the active transmission shaft, the lifting transmission shaft and the horizontally movable transmission shaft. The transmission bracket is rotatably installed with a guide shaft for guiding the transmission belt surface between the lifting transmission shaft and the horizontally movable transmission shaft.

[0012] The lifting adsorption head comprises a lifting cylinder and a plurality of vacuum adsorption heads. The lifting cylinder is installed on a movable bracket, and the output end of the lifting cylinder is arranged toward the guide track frame. The plurality of vacuum adsorption heads are all installed on the output end of the lifting cylinder.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The present invention discloses an ETPU sole automatic injection molding device, which is provided with a plurality of lower mold plate placement slots to produce a plurality of soles at one time, and cooperates with two lower mold assemblies to enter and exit one by one, so that molding and grouting can be carried out simultaneously to increase production efficiency.

[0015] 2. The present invention provides an ETPU sole automatic injection molding device, which is provided with a steam circulation component. When in use, a lower module is driven by a driving base to be located below an upper module, and then a docking pipe of another lower module is connected to the steam circulation component through a one-way valve to realize steam transmission, and the steam is circulated through the cooperation of the two one-way valves.

[0016] 3. The present invention provides an ETPU sole automatic injection molding device. When steam is transmitted, the solenoid valve inlet control tube and the solenoid valve output control tube of the gas refrigeration component are closed, and then the solenoid valve output control tube and the solenoid valve inlet control tube of the steam heating component are opened to transmit steam. After the steam transmission is completed, when cooling is required, the solenoid valve output control tube of the steam heating component is closed, and the solenoid valve output control tube of the gas refrigeration component is opened to transmit cold air, and the steam in the original pipeline is pushed into the steam heating component for reuse through the cold air. After the steam in the original pipeline is exhausted, the solenoid valve inlet control tube of the steam heating component is closed, and then the solenoid valve inlet control tube of the gas refrigeration component is opened to realize cold air circulation.

[0017] 4. The present invention provides an ETPU sole automatic injection molding equipment, which uses a lifting rodless cylinder to lift the lifting transmission shaft, and cooperates with a horizontal rodless cylinder to drive the horizontal movable transmission shaft to translate, so that the transmission belt surface follows the moving end of the movable bracket to move, so that the sole can be received at any time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the molding equipment of the present invention;

[0019] Figure 2 It is a schematic diagram of the internal structure of the molding device of the present invention;

[0020] Figure 3 It is a schematic diagram of the bottom structure of the molding equipment of the present invention;

[0021] Figure 4 It is a structural schematic diagram of the lifting seat of the present invention;

[0022] Figure 5 A schematic diagram of the structure of the steam circulation assembly installed in the molding equipment of the present invention;

[0023] Figure 6 It is a schematic structural diagram of the steam cycle assembly of the present invention;

[0024] Figure 7 It is a structural schematic diagram of the one-way valve of the present invention;

[0025] Figure 8 It is a structural schematic diagram of the automatic shoe taking and grouting assembly installed in the molding equipment of the present invention;

[0026] Fig. 9It is a structural schematic diagram of the automatic shoe removal and grouting assembly of the present invention.

[0027] Markings in the figure: 1. Upper film frame; 2. Guide track frame; 3. Lower mold assembly; 4. Moving seat; 5. Lower template placement slot; 6. Lifting seat; 7. Upper template placement slot; 8. Driving cylinder; 9. Steam circulation assembly; 10. One-way valve; 11. Butt pipe; 12. Conduit; 13. Sealing block; 14. Spring; 15. Air hole; 16. Steam heating assembly; 17. Gas refrigeration assembly; 18. Gas pipeline; 19. Inlet pipe; 20. Solenoid valve output control pipe; 21. Solenoid valve inlet control pipe; 22. Automatic shoe grouting assembly; 23. Moving bracket; 24. Lifting grouting head; 25. Lifting adsorption head; 26. Telescopic conveyor belt; 27. Grouting bucket; 28. Conveying bracket; 29. ​​Active transmission shaft; 30. Lifting transmission shaft; 31. Horizontal moving transmission shaft; 32. Conveyor belt surface; 33. Horizontal rodless cylinder; 34. Lifting rodless cylinder; 35. Guide shaft. DETAILED DESCRIPTION

[0028] In order to make the above features and advantages of the present invention more obvious and easy to understand, embodiments are given below with reference to the accompanying drawings for detailed description as follows.

[0029] like Figure 1-Figure 9As shown, this embodiment provides an ETPU sole automatic injection molding device, including an upper film frame 1, a guide track frame 2 and two lower mold assemblies 3, the upper film frame 1 is installed on the guide track frame 2, the two lower mold assemblies 3 are respectively placed on the corresponding two sides of the upper film frame 1, and the lower mold assembly 3 is slidably placed on the guide track frame 2; the lower mold assembly 3 includes a moving seat 4 and a plurality of lower template placement grooves 5, the moving seat 4 is slidably installed on the guide track frame 2, and the plurality of lower template placement grooves 5 are evenly located on the moving seat 4, and a lifting seat 6 is installed on the upper film frame 1, and a plurality of upper template placement grooves 7 corresponding to the plurality of lower template placement grooves 5 are provided on the lifting seat 6. Arranging a plurality of lower template placement grooves 5 can produce a plurality of soles at one time. During production, the upper film frame 1 and the two lower mold assemblies 3 are now installed with corresponding molds by screws, and then the raw materials are injected into the mold of the lower mold assembly 3, and the mold is moved along the guide track frame 2 to be placed directly below the upper film frame 1, and then the upper film frame 1 is driven by the lifting assembly to press the shoe sole down to form, and at the same time, another lower mold assembly 3 will move along the guide track frame 2 and be placed on the other side of the upper film frame 1, so that the lower mold assembly 3 can be injected with raw materials and the previous lower mold assembly 3 is completed, and after a lower mold assembly 3 is completed, it moves out, so that the waiting lower mold assembly 3 is placed under the upper film frame 1 for pressing and forming, and the withdrawn lower mold assembly 3 is placed on one side of the upper film frame 1 to wait for the sole to be formed while taking out the sole and injecting raw materials, so that alternating production is achieved through the mutual movement and coordination of the two lower mold assemblies 3, thereby increasing production efficiency. Specifically, the guide track frame 2 is divided into two end bearing guide rails with the upper film frame 1 as the center, and when the lower mold assembly 3 is being pressed, the other lower mold assembly 3 will be located on the corresponding bearing guide rail for waiting.

[0030] Furthermore, the two lower mold assemblies 3 are fixedly connected to each other, and a driving cylinder 8 is rotatably connected to the lower mold assembly 3, and the output end of the driving cylinder 8 is rotatably connected to one end of the guide track frame 2. The driving cylinder 8 drives the two lower mold assemblies to move along the guide track frame 2.

[0031] Further, a lifting cylinder for driving the lifting seat 6 to lift is installed on the upper film frame 1, and the lifting end of the lifting cylinder is connected to the lifting seat 6 of the upper film frame 1. The upper die set is driven to move up and down by the lifting cylinder.

[0032] Furthermore, steam circulation components 9 are provided below the corresponding two ends of the guide rail frame 2, and two one-way valves 10 communicating with the lower mold component 3 are provided below the steam circulation component 9, and the lower mold component 3 is provided with a butt joint pipe 11 connected with the one-way valve 10; the one-way valve 10 includes a conduit 12, a sealing block 13 is slidably installed in the conduit 12, a spring 14 is installed between the sealing block 13 and the conduit 12, and a plurality of air holes 15 communicating with the conduit 12 are provided on the side wall of the butt joint pipe 11. Specifically, the plurality of air holes 15 are arranged equidistantly around the butt joint pipe 11. When in use, the driving base drives one of the lower molds to be located below the upper mold component, and then the butt joint pipe 11 of the other lower mold is connected with the steam circulation component 9 through the one-way valve 10 to realize steam transmission, and the steam is circulated through the cooperation of the two one-way valves 10, that is, the butt joint pipe 11 extends into the conduit 12, and pushes the sealing block 13 to compress the spring 14, so that the plurality of air holes 15 are connected with the conduit 12.

[0033] Furthermore, the steam circulation component 9 includes a steam heating component 16, a gas refrigeration component 17, an air supply pipe 18, an air intake pipe 19, two solenoid valve output control pipes 20 and two solenoid valve entry control pipes 21. The steam heating component 16 and the gas refrigeration component 17 are arranged side by side. The two solenoid valve output control pipes 20 are respectively installed at the outputs of the steam heating component 16 and the gas refrigeration component 17, and are both connected to the air supply pipe 18. The two solenoid valve entry control pipes 21 are respectively installed at the inputs of the steam heating component 16 and the gas refrigeration component 17, and are both connected to the air intake pipe 19. The air supply pipe 18 and the air intake pipe 19 are respectively connected to the two one-way valves 10; an insulation board is installed between the steam heating component 16 and the gas refrigeration component 17. When steam transmission is performed, the solenoid valve inlet control tube 21 and the solenoid valve output control tube 20 of the gas refrigeration component 17 are closed, and then the solenoid valve output control tube 20 and the solenoid valve inlet control tube 21 of the steam heating component 16 are opened for steam transmission. After the steam transmission is completed, when cooling is required, the solenoid valve output control tube 20 of the steam heating component 16 is closed, and the solenoid valve output control tube 20 of the gas refrigeration component 17 is opened to transmit cold air, and the steam in the original pipeline is pushed into the steam heating component 16 for reuse through the cold air. After the steam in the original pipeline is exhausted, the solenoid valve inlet control tube 21 of the steam heating component 16 is closed, and then the solenoid valve inlet control tube 21 of the gas refrigeration component 17 is opened to realize cold air circulation.

[0034] Furthermore, there are automatic shoe removal grouting components 22 above the corresponding two ends of the guide track frame 2, and the automatic shoe removal grouting component 22 includes a movable bracket 23, a lifting grouting head 24, a lifting adsorption head 25 and a telescopic conveyor belt 26. The telescopic conveyor belt 26 is located on one side of the guide track frame 2. The lifting grouting head 24 and the lifting adsorption head 25 are both installed on the movable end of the movable bracket 23. The movable end of the movable bracket 23 is arranged to move back and forth between the guide track frame 2 and the telescopic conveyor belt 26. The movable bracket 23 is installed with a grouting bucket 27 connected to the lifting grouting head 24. After the lower mold assembly 3 is completed and the sole is formed, it is moved to the bottom of the automatic shoe removal and grouting assembly 22, and then the lifting grouting head 24 and the lifting adsorption head 25 are driven by the movable bracket 23 to be placed above the lower mold assembly 3, and then the lifting adsorption head 25 first takes out the sole, and then places it on the telescopic conveyor belt 26 for transmission, and then the empty lower template is grouting by the lifting grouting head 24 to realize automatic shoe removal and grouting. At the same time, another lower mold assembly 3 is used to form the sole under the upper membrane frame 1, and the docking pipe 11 is connected to the steam circulation assembly 9 through the one-way valve 10 to realize steam transmission. The steam will pass through the lower mold assembly 3 with the sole to be removed, thereby heating the bottom of the sole to be removed and slightly softening it to be separated from the lower mold assembly 3 for easy removal.

[0035] Further, the telescopic transmission belt 26 includes a transmission bracket 28, an active transmission shaft 29, a lifting transmission shaft 30, a horizontally movable transmission shaft 31 and a transmission belt surface 32. The active transmission shaft 29 and the horizontally movable transmission shaft 31 are symmetrically rotatably mounted at both ends of the transmission bracket 28. A horizontal rodless cylinder 33 for driving the horizontally movable transmission shaft 31 to move horizontally is mounted on the transmission bracket 28. The active transmission shaft 29 is mounted in the middle section of the transmission bracket 28. A lifting rodless cylinder 34 for driving the lifting transmission shaft 30 to lift is mounted on the transmission bracket 28. The transmission belt surface 32 is wound around the active transmission shaft 29, the lifting transmission shaft 30 and the horizontally movable transmission shaft 31. The transmission bracket 28 is rotatably mounted with a guide shaft 35 for guiding the transmission belt surface 32 between the lifting transmission shaft 30 and the horizontally movable transmission shaft 31. The lifting transmission shaft 30 is lifted and lowered by the lifting rodless cylinder 34, and the horizontally movable transmission shaft 31 is driven to translate by the horizontal rodless cylinder 33, so that the transmission belt surface 32 moves following the moving end of the movable bracket 23, so that the sole can be received at any time.

[0036] Furthermore, the lifting suction head 25 includes a lifting oil cylinder and a plurality of vacuum suction heads. The lifting oil cylinder is mounted on the mobile bracket 23, and the output end of the lifting oil cylinder is arranged toward the guide track frame 2. The plurality of vacuum suction heads are mounted on the output end of the lifting oil cylinder. The lifting oil cylinder drives the plurality of vacuum suction heads to descend and absorb a plurality of soles at the same time, thereby increasing efficiency.

[0037] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which shall fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An ETPU sole automatic injection molding equipment, characterized by: It includes an upper film frame, a guide track frame and two lower mold assemblies, the upper film frame is installed on the guide track frame, and the two lower mold assemblies are slidably placed on the guide track frame; the lower mold assembly includes a moving seat and a plurality of lower mold placement grooves, the moving seat is slidably installed on the guide track frame, and the plurality of lower mold placement grooves are evenly located on the moving seat, and a lifting seat is installed on the upper film frame for lifting and lowering, and the lifting seat is provided with a plurality of upper mold placement grooves corresponding to the plurality of lower mold placement grooves one by one.

2. The ETPU sole automatic injection molding equipment according to claim 1, characterized in that: The two lower mold assemblies are fixedly connected to each other, and a driving cylinder is rotatably connected to the lower part of the lower mold assembly, and the output end of the driving cylinder is rotatably connected to one end of the guide track frame.

3. The ETPU sole automatic injection molding equipment according to claim 1, characterized in that: The upper film frame is provided with a lifting cylinder for driving the lifting seat to move up and down, and the lifting end of the lifting cylinder is connected to the lifting seat of the upper film frame.

4. The ETPU sole automatic injection molding equipment according to claim 1, characterized in that: Steam circulation components are respectively provided below the corresponding two ends of the guide track frame, and two one-way valves connected to the lower mold component are provided below the steam circulation component. The lower mold component is equipped with a butt joint connected to the one-way valve; the one-way valve includes a conduit, a sealing block is slidably installed in the conduit, a spring is installed between the sealing block and the conduit, and a side wall of the butt joint is provided with a plurality of air holes connected to the conduit.

5. The ETPU sole automatic injection molding equipment according to claim 4, characterized in that: The plurality of air holes are equidistantly arranged around the butt joint pipe.

6. The ETPU sole automatic injection molding equipment according to claim 4, characterized in that: The steam circulation component includes a steam heating component, a gas refrigeration component, an air supply pipe, an air intake pipe, two solenoid valve output control pipes and two solenoid valve inlet control pipes. The steam heating component and the gas refrigeration component are arranged side by side. The two solenoid valve output control pipes are respectively installed at the output of the steam heating component and the gas refrigeration component, and are both connected to the air supply pipe. The two solenoid valve inlet control pipes are respectively installed at the input of the steam heating component and the gas refrigeration component, and are both connected to the air intake pipe. The air supply pipe and the air intake pipe are respectively connected to two one-way valves. An insulation board is installed between the steam heating component and the gas refrigeration component.

7. The ETPU sole automatic injection molding equipment according to claim 1, characterized in that: There are automatic shoe removal grouting components above the corresponding two ends of the guide track frame, and the automatic shoe removal grouting components include a movable bracket, a lifting grouting head, a lifting adsorption head and a telescopic conveyor belt. The telescopic conveyor belt is located on one side of the guide track frame. The lifting grouting head and the lifting adsorption head are both installed on the movable end of the movable bracket. The movable end of the movable bracket is arranged to move back and forth between the guide track frame and the telescopic conveyor belt. A grouting bucket connected to the lifting grouting head is installed on the movable bracket.

8. The ETPU sole automatic injection molding equipment according to claim 7, characterized in that: The telescopic transmission belt includes a transmission bracket, an active transmission shaft, a lifting transmission shaft, a horizontally movable transmission shaft and a transmission belt surface. The active transmission shaft and the horizontally movable transmission shaft are symmetrically rotatably installed at both ends of the transmission bracket. A horizontal rodless cylinder for driving the horizontally movable transmission shaft to move horizontally is installed on the transmission bracket. The active transmission shaft is installed in the middle section of the transmission bracket. A lifting rodless cylinder for driving the lifting transmission shaft to lift and lower is installed on the transmission bracket. The transmission belt surface is wound around the active transmission shaft, the lifting transmission shaft and the horizontally movable transmission shaft. The transmission bracket is rotatably installed with a guide shaft for guiding the transmission belt surface between the lifting transmission shaft and the horizontally movable transmission shaft.

9. The ETPU sole automatic injection molding equipment according to claim 7, characterized in that: The lifting adsorption head comprises a lifting cylinder and a plurality of vacuum adsorption heads. The lifting cylinder is installed on a movable bracket, and the output end of the lifting cylinder is arranged toward the guide track frame. The plurality of vacuum adsorption heads are all installed on the output end of the lifting cylinder.

Images