Multicolor sponge forming device

Abstract

The utility model relates to the technical field of forming devices, in particular to a multicolor sponge forming device which comprises a base, a base table is fixed to the center of the upper portion of the base, a mold frame is fixed to the upper end of the base table, an inner cavity is formed in the mold frame, and the inner cavity is of an annular structure. A water inlet connector and a water outlet connector are fixed to the two ends of the mold frame in a penetrating mode correspondingly and communicate with the interior of the inner cavity correspondingly. According to the scheme, the production efficiency and the quality stability are remarkably improved through the integrated hot pressing and cooling design, the annular inner cavity is embedded in the mold frame and matched with the water inlet connector and the water outlet connector to form a water circulation channel, cold water can be rapidly injected for cooling shaping after hot pressing is completed, and the production period is effectively shortened; the stability of temperature and pressure in the hot pressing process is ensured through power supply and heating of the power transmission line and precise pressure control driven by the first air cylinder, and therefore sponge products uniform in density and stable in structure are obtained.

Description

Technical Field

[0001] This utility model relates to the field of molding device technology, and in particular to a multi-color sponge molding device. Background Technology

[0002] A multi-colored sponge molding device is a piece of equipment used to manufacture multi-colored sponge products. The molding die is the core part of the device, which is responsible for pressing the raw materials into the required shape and size. The design of the die can be changed as needed to produce sponge products of different shapes.

[0003] The sponge molding mold is a core component in a multi-color sponge molding device, responsible for pressing the sponge raw material into the required shape and size. For example, Chinese Patent Publication No. CN220841124U discloses a sponge molding device, relating to the field of molding device technology. This sponge molding device includes a lower mold base plate, with four guide pillars fixedly connected to the top of the lower mold base plate. A cavity is formed on the top of the lower mold base plate, and a molding die is slidably connected inside the cavity. A drive motor is fixedly connected to the surface of the lower mold base plate, and a first bevel gear is fixedly connected to the output end of the drive motor. A groove is formed inside the lower mold base plate, and a demolding device is installed inside the groove. In this sponge molding device, the slider slides to the left, causing a support rod to rotate inside a protrusion. This rotation, via the support rod, causes the protrusion to move upwards. The upward movement of the protrusion causes the molding die to move upwards, pushing the molded cushion upwards to complete demolding. This not only reduces the work efficiency of the workers but also avoids danger when workers remove the cushion, improving the safety of the workers during the work process.

[0004] Currently, the molding process for sponges mainly involves mixing various raw materials and pouring them into a mold. Then, the sponge is formed through hot pressing. However, conventional mold structures rely on a cooling structure installed at the bottom of the mold after hot pressing to cool and solidify the sponge. But this makes it impossible to install a lifting structure at the bottom when unloading, resulting in the sponge having to be manually pulled out of the mold, which can easily damage the sponge. Utility Model Content

[0005] The purpose of this invention is to address the aforementioned shortcomings in the existing technology by proposing a multi-color sponge molding device.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] Design a multi-color sponge molding device, including a base, a base platform fixed at the center of the upper part of the base, a mold frame fixed at the upper end of the base platform, an inner cavity with an annular structure inside the mold frame, and a water inlet and a water outlet fixed through the two ends of the mold frame respectively, which are respectively connected to the inside of the inner cavity.

[0008] A notch is provided at one side port of the mold frame, and an injection port is provided through the inside of the notch. The outer wall of the injection port is fixedly assembled to the surface of the base by a bracket. The end of the injection port near the inside of the mold frame is flush with the inner wall of the mold frame.

[0009] The upper end of the base is fixed with a top plate by a bracket. A cylinder is fixed through the inside of the top plate. The cylinders are symmetrically distributed on both sides of the top plate. A piston rod for extension and retraction is installed inside the cylinder.

[0010] In detail, a heat insulation plate is fixedly installed at one end of the piston rod of the cylinder, the heat insulation plate is made of ceramic material, and a pressure table is fixed at the lower end of the heat insulation plate, the pressure table is slidably sleeved with the mold frame.

[0011] In detail, several heating tubes are fixedly connected to the upper end of one side of the pressure platform, and the ends of the heating tubes are fixedly connected to power transmission lines. A cable sleeve is fixedly connected to the surface of the top plate, and the power transmission lines and the cable sleeve are slidably sleeved together.

[0012] In detail, the base has a storage slot inside, a cylinder two is fixed inside the storage slot, and a piston rod two for extension and retraction is installed inside the cylinder two.

[0013] In detail, the piston rod of the second cylinder is fixed with a connecting seat at its two ends, and a lifting rod is inserted into the connecting seat. A rod sleeve communicating with the storage groove is fixed through the surface of the base. The surface of the lifting rod is slidably sleeved with the inside of the rod sleeve. The lifting rods are symmetrically distributed along both ends of the base. The upper ends of the two lifting rods are fixed with the same discharge plate. The discharge plate is slidably sleeved with the inner side of the mold frame.

[0014] In detail, the lower end of the lifting rod is provided with a pin groove, a retaining pin is slidably sleeved inside the pin groove, and a spring is provided inside the pin groove. The two ends of the spring are respectively fixedly assembled with the inner wall of the pin groove and the surface of the retaining pin.

[0015] In detail, the inner wall of the connecting seat is provided with an arc-shaped groove, and the end face of the locking pin is a curved surface structure. The end curved surface of the locking pin is tightly fitted with the inner arc surface of the arc-shaped groove.

[0016] The design scheme proposed in this utility model has the following beneficial effects in application:

[0017] 1. This solution significantly improves production efficiency and quality stability through integrated hot pressing and cooling design. The mold frame has an embedded annular cavity, which, together with the water inlet and outlet interfaces, forms a water circulation channel. Cold water can be quickly injected for cooling and shaping after hot pressing, effectively shortening the production cycle. At the same time, the press table has a built-in electric heating tube, which is powered by a power supply line. Combined with the precise pressure control driven by the cylinder, it ensures the stability of temperature and pressure during hot pressing, thereby obtaining sponge products with uniform density and stable structure.

[0018] 2. This solution also uses a cylinder-driven connecting seat and lifting rod to drive the discharge plate and smoothly eject the finished sponge from the mold frame, completely solving the problem of product damage caused by manual material handling. The lifting rod and connecting seat achieve quick assembly and disassembly through the elastic cooperation of the locking pin and arc groove. The spring ensures the stability of the locking, while the curved contact design allows for easy separation under external force, facilitating the periodic disassembly of the discharge plate to clean residual raw materials. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a top view of the mold frame structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of the present invention from the front.

[0022] Figure 4 This is an enlarged schematic diagram of point A of this utility model.

[0023] In the diagram: 1. Base; 11. Platform; 12. Mold frame; 13. Inner cavity; 14. Water inlet; 15. Water outlet; 16. Notch; 17. Injection port; 18. Top plate; 19. Cylinder 1; 2. Heat insulation plate; 21. Pressing table; 22. Heating element; 23. Power transmission line; 24. Cable sleeve; 3. Inner cavity; 31. Cylinder 2; 32. Connecting seat; 33. Lifting rod; 34. Rod sleeve; 35. Discharge plate; 3001. Pin groove; 3002. Spring; 3003. Locking pin; 3004. Arc groove. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] Reference Figures 1-4A multi-color sponge molding device includes a base 1, a base platform 11 fixed at the center of the upper part of the base 1, and a mold frame 12 fixed at the upper end of the base platform 11. The mold frame 12 can serve as a shaping structure, providing a stable bearing effect when processing raw materials are injected into it. At the same time, it can stably form during hot pressing. The mold frame 12 has an inner cavity 13 with an annular structure. A water inlet 14 and a water outlet 15 are respectively fixed through the two ends of the mold frame 12. The water inlet 14 and the water outlet 15 are respectively connected to the interior of the inner cavity 13. After processing, cold water can be injected into the interior of the inner cavity 13 through the water inlet 14 and discharged through the water outlet 15 to achieve water circulation operation.

[0026] A notch 16 is provided at one end of the mold frame 12. A material injection port 17 is provided through the inside of the notch 16. The outer wall of the material injection port 17 is fixedly assembled to the surface of the base 11 by a bracket. The end of the material injection port 17 near the inside of the mold frame 12 is flush with the inner wall of the mold frame 12. The material injection port 17 can realize the injection of liquid raw materials into the mold frame 12. Ordinary solid granular raw materials can be poured in directly by manual feeding.

[0027] A top plate 18 is fixed to the upper end of the base 1 by a bracket. A cylinder 19 is fixed through the top plate 18. The cylinders 19 are symmetrically distributed on both sides of the top plate 18. A piston rod for extension and retraction is provided inside the cylinder. By extending and retracting the piston rod of the cylinder, the pressure table 21 can be moved up and down stably, thereby realizing the hot pressing of the raw material.

[0028] It should be further explained that a heat insulation plate 2 is fixedly installed at one end of the piston rod of cylinder 19. The heat insulation plate 2 is made of ceramic material. A pressure table 21 is fixed at the lower end of the heat insulation plate 2. The pressure table 21 is slidably sleeved with the mold frame 12. The heat insulation plate 2 can prevent excessive heat from being transferred to the position of cylinder 19 when the pressure table 21 is heated and hot-pressed.

[0029] It should be further explained that several heating tubes 22 are fixedly connected to the upper end of one side of the pressure table 21, and the ends of the heating tubes 22 are fixedly connected to the power transmission wires 23. A cable sleeve 24 is fixedly connected to the surface of the top plate 18. The power transmission wires 23 and the cable sleeve 24 are slidably connected. By leading the power transmission wires 23 upward, the obstruction of the movement path can be avoided when the hot pressure is applied.

[0030] It should be further explained that the base 11 is provided with a storage groove 3 inside, and a cylinder 31 is fixed inside the storage groove 3. A piston rod 2 for extension and retraction is provided inside the cylinder 31. By extending and retracting the piston rod 2 of the cylinder 31, the discharge plate 35 can be moved up and down stably, thereby pushing out the cooled and shaped sponge as a whole, reducing the damage caused by manual pulling of the material during discharge.

[0031] It should be further explained that the piston rod of cylinder 2 31 is fixed with a connecting seat 32 at both ends. A lifting rod 33 is inserted into the connecting seat 32. A rod sleeve 34 communicating with the storage groove 3 is fixed through the surface of the base 11. The surface of the lifting rod 33 is slidably sleeved with the inside of the rod sleeve 34. The lifting rods 33 are symmetrically distributed along both ends of the base 11. The upper ends of the two lifting rods 33 are fixed with the same discharge plate 35. The discharge plate 35 is slidably sleeved with the inner side of the mold frame 12. By the lifting rods 33 distributed on both sides and the rod sleeve 34 passing through, the discharge plate 35 can be moved up and down stably.

[0032] It should be further explained that the lower end of the lifting rod 33 is provided with a pin groove 3001, and a retaining pin 3003 is slidably sleeved inside the pin groove 3001. A spring 3002 is provided inside the pin groove 3001. The two ends of the spring 3002 are fixedly assembled with the inner wall of the pin groove 3001 and the surface of the retaining pin 3003, respectively. The spring 3002 can ensure that the retaining pin 3003 plays a stable and compacting role when it is set in conjunction with the arc-shaped groove 3004.

[0033] It should be further explained that an arc-shaped groove 3004 is provided on the inner wall of the connecting seat 32, and the end face of the locking pin 3003 is a curved structure. The curved end face of the locking pin 3003 is tightly fitted with the inner arc surface of the arc-shaped groove 3004. Through the abutting effect of the locking pin 3003 and the arc-shaped groove 3004, the stable connection between the lifting rod 33 and the connecting seat 32 can be ensured. Furthermore, the curved surface of the locking pin 3003 and the inner arc surface of the arc-shaped groove 3004 can slide and separate when subjected to external force, which can ensure that the connecting seat 32 and the lifting rod 33 can be easily disassembled. Thus, the installation of the discharge plate 35 is stable, and it is also convenient to disassemble and clean up the residue periodically.

[0034] Working Method: The hot pressing process in this solution is mainly completed through the coordinated operation of cylinder 19, pressure table 21, and heating element 22. When the raw material (liquid or solid) is injected into the inner cavity of the mold frame 12, the piston rod of cylinder 19 pushes the heat insulation plate 2 and pressure table 21 downwards, tightly fitting them into the mold frame 12 to form a closed molding space. The heating element 22 built into the pressure table 21 is energized through the power transmission line 23, transferring heat to the raw material, causing it to soften or melt under high temperature and pressure, ultimately shaping it into a multi-colored sponge. The annular inner cavity 13 of the mold frame 12 is designed to allow cold water circulation: cold water is injected through the water inlet 14, absorbs excess heat, and is discharged from the water outlet 15, achieving rapid cooling and shaping. The heat insulation plate 2 is made of ceramic material, effectively blocking heat transfer to cylinder 19 and protecting the pneumatic components. This process combines the dual effects of hot pressing and cooling, ensuring a uniform sponge structure and stable molding.

[0035] After molding, the sponge is automatically discharged through a lifting mechanism driven by cylinder 31. The piston rod of cylinder 31 pushes the connecting seat 32 upward, causing the lifting rod 33 to slide along the sleeve 34, ultimately causing the discharge plate 35 to push the sponge out of the mold frame 12, avoiding damage caused by manual material handling. The lifting rod 33 and the connecting seat 32 are elastically connected by a locking pin 3003 and an arc groove 3004. The spring 3002 always presses the locking pin 3003 against the inner wall of the arc groove 3004 to ensure stability during lifting. When disassembly and cleaning are required, external force can pull the curved surface of the locking pin 3003 away from the arc groove 3004 for quick separation. This design not only ensures the rigid support of the discharge plate 35, but also facilitates maintenance and solves the hygiene or blockage problems caused by the accumulation of residual raw materials.

[0036] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A multi-color sponge molding device, comprising a base (1), characterized in that: A base (11) is fixed at the center of the upper part of the base (1). A mold frame (12) is fixed at the upper end of the base (11). An inner cavity (13) is opened inside the mold frame (12). The inner cavity (13) is a ring structure. A water inlet (14) and a water outlet (15) are respectively fixed through the two ends of the mold frame (12). The water inlet (14) and the water outlet (15) are respectively connected to the interior of the inner cavity (13). A notch (16) is provided at one side port of the mold frame (12), and an injection port (17) is provided through the inside of the notch (16). The outer wall of the injection port (17) is fixedly assembled with the surface of the base (11) by a bracket. The end of the injection port (17) near the inside of the mold frame (12) is flush with the inner wall of the mold frame (12). The upper end of the base (1) is fixed with a top plate (18) by a bracket. A cylinder (19) is fixed through the inside of the top plate (18). The cylinders (19) are symmetrically distributed on both sides of the top plate (18). A piston rod for extension and retraction is provided inside the cylinder (19).

2. The multi-color sponge molding device according to claim 1, characterized in that: A heat insulation plate (2) is fixedly installed at one end of the piston rod of the cylinder (19). The heat insulation plate (2) is made of ceramic material. A pressure table (21) is fixed at the lower end of the heat insulation plate (2). The pressure table (21) is slidably sleeved with the mold frame (12).

3. The multi-color sponge molding device according to claim 2, characterized in that: A number of electric heating tubes (22) are fixedly inserted through the upper end of one side of the pressure plate (21). The ends of the electric heating tubes (22) are fixedly connected to the power transmission line (23). A cable sleeve (24) is fixedly inserted through the surface of the top plate (18). The power transmission line (23) and the cable sleeve (24) are slidably connected.

4. The multi-color sponge molding device according to claim 1, characterized in that: The base (11) is provided with a storage slot (3), and a cylinder (31) is fixed inside the storage slot (3). A piston rod for extension and retraction is provided inside the cylinder (31).

5. The multi-color sponge molding device according to claim 4, characterized in that: The piston rod of the second cylinder (31) is fixed with a connecting seat (32) at both ends. A lifting rod (33) is inserted into the connecting seat (32). A rod sleeve (34) communicating with the storage groove (3) is fixed through the surface of the base (11). The surface of the lifting rod (33) is slidably sleeved with the inside of the rod sleeve (34). The lifting rod (33) is symmetrically distributed along both ends of the base (11). The upper ends of the two lifting rods (33) are fixed with the same discharge plate (35). The discharge plate (35) is slidably sleeved with the inner side of the mold frame (12).

6. The multi-color sponge molding device according to claim 5, characterized in that: The lower end of the lifting rod (33) is provided with a pin groove (3001), and a retaining pin (3003) is slidably sleeved inside the pin groove (3001). A spring (3002) is provided inside the pin groove (3001), and the two ends of the spring (3002) are fixedly assembled with the inner wall of the pin groove (3001) and the surface of the retaining pin (3003), respectively.

7. The multi-color sponge molding device according to claim 6, characterized in that: The inner wall of the connecting seat (32) is provided with an arc groove (3004), and the end face of the locking pin (3003) is a curved surface structure. The end curved surface of the locking pin (3003) is in close contact with the inner arc surface of the arc groove (3004).

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