Spring resin molding apparatus and molding method

Abstract

This invention discloses a spring resin molding device and method, belonging to the field of spring resin molding technology. The spring resin molding device of this invention includes a molding mechanism, which includes a rotating component connected to multiple molding molds. Multiple heating stations are arranged circumferentially along the rotating component. The rotating component drives the molding molds to rotate, and the molding molds enter the heating stations. The heating component heats and shapes the spring resin within the molding molds. This invention, by rotating the multiple molding molds connected to it, sequentially feeds each molding mold into the heating stations arranged circumferentially along the rotating component. This allows multiple spring resins to be placed in the molding molds simultaneously, enabling the molding device to shape multiple spring resins at the same time. When one spring resin enters the second heating station, the next spring resin can enter the first heating station for shaping.

Description

Technical Field

[0001] This invention relates to the field of spring resin molding technology, and more specifically, to a spring resin molding device and molding method. Background Technology

[0002] Every tool and product used in daily production and life, from large machine tool bases and housings to small screws, buttons, and the casings of various household appliances, is closely related to molds. The shape of the mold determines the appearance of these products, and the processing quality and precision of the mold determine the quality of these products. Due to the differences in materials, appearance, specifications, and uses of various products, molds are divided into non-plastic molds such as casting molds, forging molds, die-casting molds, and stamping molds, as well as plastic molds.

[0003] With the continuous improvement of engineering plastics in terms of strength and precision, the application range of plastic products is constantly expanding, and the proportion of plastic products is increasing rapidly. A well-designed plastic part can often replace multiple traditional metal parts. As the usage of plastic products continues to rise, the application of plastic molds is also growing accordingly.

[0004] Depending on the molding method, plastic molds mainly include injection molding molds, extrusion molding molds, vacuum forming molds, and high-density polystyrene molding molds. Among them, plastic vacuum forming molds refer to the molds used in vacuum forming production. They are molds that use plastic sheets or plates as raw materials to form certain relatively simple plastic products. The principle is to use vacuum forming or compressed air forming methods to deform the plastic sheet or plate fixed on the concave or convex mold when heated and softened, so that it adheres to the cavity of the mold to obtain the desired product. They are mainly used in the production of packaging products for daily necessities, food, and toys.

[0005] Spring resin is a type of resin product with an elastic structure. After molding, the gaps between the resin particles give the product elasticity and resilience, allowing it to deform under stress and return to its original shape when the pressure is removed. It is commonly used in everyday life for cushions, pillows, and other applications. Currently, spring resin molding often employs direct heating, and only one spring resin can be molded at a time, resulting in low production efficiency and failing to meet the demands of spring resin production. Summary of the Invention

[0006] 1. The technical problem that the invention aims to solve

[0007] In view of the problems mentioned in the background art, the present invention provides a spring resin molding device and molding method, which can quickly and efficiently mold spring resin while avoiding damage to the spring resin.

[0008] 2. Technical Solution

[0009] To achieve the above objectives, the technical solution provided by the present invention is as follows:

[0010] A spring resin molding device includes a molding mechanism, which includes a rotating component connected to multiple molding molds. Multiple heating stations are arranged circumferentially along the rotating component. The rotating component drives the molding molds to rotate, and the molding molds enter the heating stations. The heating component heats and shapes the spring resin inside the molding molds.

[0011] Furthermore, the molding die includes a mold, the interior of which forms a cavity, and is connected to the outside world and the inner groove of the mold through a water passage and a water inlet.

[0012] Furthermore, the heating component includes a water tank containing a high-temperature solution. A molding die enters the water tank, and the high-temperature solution enters the mold to heat and shape the spring resin.

[0013] Furthermore, the rotating assembly includes a mounting rod for mounting the molding die, the molding die being connected to a moving assembly, the moving assembly driving the molding die in and out of the heating station.

[0014] Furthermore, the rotating assembly also includes a turntable and a rotary motor. The turntable includes an outer ring and an inner ring fitted inside the outer ring. The inner ring has a through hole, and the inner wall of the through hole is provided with meshing teeth. A gear is installed on the output shaft of the rotary motor, and the gear meshes with the meshing teeth.

[0015] Furthermore, it also includes a cooling assembly, which includes an air passage and a cooling nozzle. The cooling nozzle is mounted on the air passage in a liftable manner and is connected to the air passage. The cooling nozzle is connected to the interior of the mold.

[0016] Furthermore, a cylinder mounting block is provided in the middle of the mold, and the cylinder mounting block is connected to the mold cylinder; the mold cylinder drives the upper and lower parts of the mold to merge or separate.

[0017] Furthermore, the molding die also includes a tripod, on which the die is mounted in a height-adjustable manner via multiple movable rods; the tripod is mounted on a track and moves along the track.

[0018] Furthermore, the water tank also includes a heating rod to heat the water; a water level gauge to measure the water level in the tank; and a thermometer to measure the water temperature.

[0019] The present invention provides a spring resin molding method, which utilizes the aforementioned equipment and comprises the following steps:

[0020] Step 1: Place the unshaped spring resin into the mold and close the mold;

[0021] Step 2: The rotating component rotates, causing the mold to enter the water tank. The high-temperature solution in the water tank enters the mold and heats the spring resin.

[0022] Step 3: The rotating component rotates again, causing the mold to enter multiple water tanks with different temperatures in sequence;

[0023] Step 4: After the rotating component drives the mold away from the last water tank, the cooling component connects with the mold to pressurize and cool the spring resin.

[0024] Step 5: Open the mold, remove the shaped spring resin, and put in another unshaped spring resin.

[0025] 3. Beneficial effects

[0026] Compared with existing known technologies, the technical solution provided by this invention has the following significant advantages:

[0027] (1) A spring resin molding device of the present invention drives multiple molding molds connected thereto to rotate through a rotating component, and sends each molding mold into a heating station arranged along the circumference of the rotating component in sequence. Multiple spring resins can be placed in the molding mold at the same time, and the molding device can mold multiple spring resins at the same time. When the first spring resin enters the second heating station, the next spring resin can enter the first heating station for molding.

[0028] (2) The spring resin molding equipment of the present invention has a water tank set in the heating station, which contains a high temperature solution. At the same time, a hole is opened on the mold in the molding mold so that the high temperature solution can enter the mold through the hole to heat and mold the spring resin. This can effectively avoid the problem of damage to the spring resin, better heat and mold the spring resin, and ensure the appearance quality of the spring resin.

[0029] (3) The spring resin molding equipment of the present invention uses a motor to drive a turntable to form a rotating assembly to drive the molding mold to rotate. An installation rod is provided on the rotating assembly. When the molding mold needs to rotate together with the rotating assembly, the molding mold and the installation rod are installed together. When the molding mold enters the heating station, the molding mold is disengaged from the installation rod. With this setting, the installation rod does not need to move together with the molding mold, thus ensuring the strength of the installation rod. At the same time, the installation rod also serves as a limiting rod to prevent the molding mold from falling off.

[0030] (4) The spring resin molding equipment of the present invention is also provided with a cooling component, which pressurizes the inside of the mold and blows air to increase the convection inside the mold. The product can be cooled without opening the mold. At the same time, blowing in cold air can quickly cool the product, improve the cooling speed and increase the processing rate.

[0031] (5) A spring resin molding device of the present invention is provided with a heating rod and a thermometer in a water tank, which can monitor the water temperature in the water tank in real time. When the water temperature is low, the water is heated in time to ensure that the water temperature in the water tank is kept at the set temperature and to ensure successful spring resin molding.

[0032] (6) A spring resin molding method of the present invention involves rotating a component to drive the spring resin through multiple water tanks of different temperatures in sequence, thereby molding the spring resin through a series of temperature variations to ensure successful molding. The last water tank can be set as a cold water tank, and a cooling component is used to cool the spring resin, providing double protection to ensure successful cooling of the spring resin. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0034] Figure 2 This is a schematic diagram of the structure of the present invention without the protective netting component;

[0035] Figure 3 for Figure 2 A bottom view of the structure;

[0036] Figure 4 This is a schematic diagram of the cooling mold in this invention;

[0037] Figure 5 This is a schematic diagram of the structure of the rotating component and the shaping mold after installation in this invention;

[0038] Figure 6 for Figure 5 Front view of the structure;

[0039] Figure 7 This is a schematic diagram of the rotating component in this invention;

[0040] Figure 8 This is a schematic diagram of the turntable structure;

[0041] Figure 9 This is a schematic diagram of the cooling component in this invention;

[0042] Figure 10 This is a schematic diagram of the water tank structure in this invention;

[0043] Figure 11 This is a schematic diagram of the mold structure in this invention.

[0044] Explanation of the labels in the diagram:

[0045] 1. Protective mesh frame; 2. Mesh panel; 3. Alarm device; 4. Control unit; 5. Electrical control box;

[0046] 6. Shaping mechanism; 61. Frame; 62. Water receiving tray;

[0047] 63. Shaping mold; 631. Track; 632. Tripod; 633. Movable rod; 634. Mold cylinder; 635. Chain belt; 636. Connecting plate; 637. Mold; 6371. Groove; 6372. Water passage hole; 6373. Water inlet hole; 638. Cylinder mounting block;

[0048] 64. Cooling assembly; 641. Air duct; 642. Mounting bracket; 643. Sensor baffle; 644. Cooling cylinder; 645. Cooling nozzle; 646. Sensor;

[0049] 65. Water tank; 651. Tank body; 652. Heating rod; 653. Water level gauge; 654. Water inlet; 655. Water outlet valve; 656. Temperature measuring instrument;

[0050] 66. Rotating assembly; 661. First bracket; 662. Second bracket; 663. Support leg; 664. Rotary motor; 665. Turntable; 6651. Outer ring; 6652. Inner ring; 6653. Meshing teeth; 666. Mounting bayonet; 667. Mounting rod;

[0051] 67. Water inlet assembly; 671. Water inlet interface;

[0052] 68. Drainage assembly; 681. Drainage interface;

[0053] 69. Mobile components. Detailed Implementation

[0054] To further understand the content of the present invention, the present invention will be further described below with reference to embodiments.

[0055] Example

[0056] Combination Figures 1-11 This embodiment provides a spring resin molding device that can quickly mold spring resin while reducing surface damage to the spring resin. The specific structure is as follows.

[0057] Combination Figure 1This embodiment of a spring resin molding device includes a molding mechanism 6. A protective device is provided around the molding mechanism 6, comprising a protective mesh frame 1 surrounding the molding mechanism 6. The protective mesh frame 1 forms a grid, within which mesh panels 2 and plexiglass are installed, providing protection for surrounding personnel and machinery. Windows are provided on the protective mesh frame 1 for the convenience of workers. The molding mechanism 6 is electrically connected to an alarm device 3, a control unit 4, and an electrical control box 5. The control unit 4 controls the operation of each component in the molding mechanism 6 and monitors the status of the molding mechanism 6. When the molding mechanism 6 malfunctions, the control unit 4 issues an alarm through the alarm device 3. The electrical control box 5 supplies power to the alarm device 3, the control unit 4, and the molding mechanism 6.

[0058] Combination Figure 2 In this embodiment, the shaping mechanism 6 includes a frame 61. The frame 61 is a hollow frame, composed of multiple steel pipes forming a cuboid frame. A rotating component 66 is placed in the center of the frame 61. Four workstations are arranged symmetrically along the circumference of the rotating component 66. In this embodiment, the workstations are divided into loading / unloading workstations, heating workstations, and cooling workstations. There is one loading / unloading workstation, two heating workstations, and one cooling workstation. Along the rotation direction of the rotating component 66, the workstations are sequentially: loading / unloading workstation, first heating workstation, second heating workstation, and cooling workstation. A water collection tray 62 is laid on the frame 61, except at the first heating workstation, second heating workstation, and cooling workstation.

[0059] See Figure 10 In this embodiment, heating components are installed at the first heating station, the second heating station, and the cooling station. Specifically, the heating components include a water tank 65 containing a high-temperature solution. The water tank 65 includes a tank body 651, with two heating rods 652 inserted into the bottom of the tank body 651. A water level gauge 653 for measuring the water level is installed on the outer wall of the water tank 65, and a thermometer 656 for measuring the water temperature is installed inside the water tank 65. When the water level in the water tank 65 is insufficient, the operator can observe the insufficient water level through the water level gauge 653 and then add water to the water tank 65. When the thermometer 656 detects that the water temperature is lower than the set value, it sends a signal to the control unit 4, and the control unit 4 controls the heating rods 652 to heat the water. A water inlet 654 is opened at the bottom of the water tank 65, which is connected to the water inlet component 67. The water inlet component 67 supplies water to the water tank 65 through the water inlet 654. The water tank 65 is also connected to the outside through a water outlet valve 655, and the water in the water tank 65 can be discharged through the water outlet valve 655. In this embodiment, the high-temperature solution is hot water.

[0060] See Figure 3In this embodiment, the water inlet component 67 is connected to the water tank 65 of each workstation, and supplies water to each water tank 65 through the water inlet interface 671. This embodiment also includes a drainage component 68, which is connected to the water receiving tray 62, and drains the water on the water receiving tray 62 in a timely manner through the drainage interface 681.

[0061] Combination Figure 5 and Figure 6 In this embodiment, the rotating assembly 66 is connected to multiple molding molds 63. The rotating assembly 66 includes a mounting rod 667 for mounting the molding molds 63, and the mounting rod 667 is provided with a mounting slot 666. The molding molds 63 are connected to a moving assembly 69, which drives the molding molds 63 to move up and down, entering and exiting the heating station. When the molding mold 63 moves upward to the position of the mounting rod 667, the molding mold 63 engages and is fixed with the mounting slot 666, thus fixing the molding mold 63 to the mounting rod 667. The heating assembly (i.e., the water tank 65) heats and shapes the spring resin inside the molding mold 63. This embodiment of a spring resin molding device uses a rotating assembly 66 to drive multiple molding molds 63 connected to it to rotate, and sequentially feeds each molding mold 63 into a heating station arranged circumferentially along the rotating assembly 66. Multiple spring resins can be placed in the molding molds 63 at the same time, and the molding device can mold multiple spring resins at the same time. When the first spring resin enters the second heating station, the next spring resin can enter the first heating station for molding.

[0062] See Figure 7 and Figure 8 The rotating assembly 66 further includes a turntable 665 and a rotary motor 664. The turntable 665 includes an outer ring 6651 and an inner ring 6652 fitted inside the outer ring 6651. The inner ring 6652 has a through hole, and the inner wall of the through hole is provided with meshing teeth 6653. A gear is mounted on the output shaft of the rotary motor 664, and the gear meshes with the meshing teeth 6653. In this embodiment, the rotary motor 664 drives the inner ring 6652 and the outer ring 6651 to rotate through the cooperation of the gear and the meshing teeth 6653, thereby driving the rotating assembly 66 to move the molding mold 63. In this embodiment, a rotating assembly 66, consisting of a turntable 665 driven by a motor, rotates the molding mold 63. A mounting rod 667 is installed on the rotating assembly 66. When the molding mold 63 needs to rotate with the rotating assembly 66, the molding mold 63 is mounted together with the mounting rod 667. When the molding mold 63 enters the heating station, it detaches from the mounting rod 667. This design eliminates the need for the mounting rod 667 to move with the molding mold 63, ensuring the strength of the mounting rod 667. Simultaneously, the mounting rod 667 also acts as a limiting rod, preventing the molding mold 63 from falling off.

[0063] In this embodiment, the turntable 665 is mounted on a vertically extending second support 662. A first support 661 is mounted at the bottom of the second support 662. The first support 661 is horizontally mounted along the ground, which increases the contact area with the ground and makes the rotating component 66 more stable. Multiple feet 663 are provided at the lower part of the first support 661 to further increase stability.

[0064] Combination Figure 4 In this embodiment, the molding die 63 includes a tripod 632. The die 637 is mounted on the tripod 632 in a height-adjustable manner via multiple movable rods 633. The tripod 632 is mounted on a track 631 and moves along the track 631. The tripod 632 is connected to a connecting plate 636 and a chain belt 635, which drives the tripod 632 to move. A cylinder mounting block 638 is provided in the middle of the die 637. The cylinder mounting block 638 is connected to a die cylinder 634 via a telescopic rod (not shown in the figure). The die cylinder 634 drives the upper and lower parts of the die 637 to merge or separate.

[0065] Combination Figure 11 In this embodiment, the molding die 63 includes a die 637. The die 637 has an internal cavity, connected to the outside world and the inner groove of the die 637 via a water passage 6372 and a water inlet 6373. A groove 6371 is formed inside the die 637, and the water passage 6372 is located within the groove 6371. The groove 6371 is shaped to the desired form. In this embodiment, a water tank 65 is provided at the heating station, containing a high-temperature solution. Simultaneously, a hole is made in the die 637 within the molding die 63, allowing the high-temperature solution to enter the die 637 and heat and shape the spring resin. This effectively avoids damage to the spring resin, better heats and shapes the spring resin, and ensures the appearance quality of the spring resin.

[0066] See Figure 9In this embodiment, a cooling assembly 64 is provided at the cooling station. The cooling assembly 64 includes an air passage 641 and a cooling nozzle 645. The cooling nozzle 645 is vertically mounted on the air passage 641 and communicates with the air passage 641. The cooling nozzle 645 communicates with the interior of the mold 637. In this embodiment, the air passage 641 is vertically arranged, and a mounting bracket 642 is provided at its upper end. A cooling cylinder 644 is mounted on the mounting bracket 642 and connected to the cooling nozzle 645. The cooling cylinder 644 drives the cooling nozzle 645 to move up and down. A sensor baffle 643 is also provided on the mounting bracket 642, and a sensor 646 is provided on the molding mold 63. When the sensor 646 is blocked by the sensor baffle 643, it is determined that the molding mold 63 is located at the cooling station. The sensor 646 is made of flexible material and will not obstruct the movement of the molding mold 63. The cooling component 64 pressurizes and blows air into the mold 637, increasing convection inside the mold 637. This allows the product to be cooled without opening the mold 637. At the same time, blowing in cold air can quickly cool the product, improving the cooling speed and increasing the processing rate.

[0067] This embodiment provides a spring resin molding method, which utilizes the aforementioned equipment and comprises the following steps:

[0068] Step 1: Place the unshaped spring resin into mold 637 and close mold 637;

[0069] Step 2: The rotating component 66 rotates, driving the mold 637 into the water tank 65. The high-temperature solution in the water tank 65 enters the mold 637 to heat the spring resin.

[0070] Step 3: The rotating component 66 rotates again, causing the mold 637 to enter multiple water tanks 65 with different temperatures in sequence;

[0071] Step 4: After the rotating component 66 drives the mold 637 away from the last water tank 65, the cooling component 64 connects with the mold 637 to pressurize and cool the spring resin.

[0072] Step 5: Open mold 637, remove the shaped spring resin, and put in another unshaped spring resin.

[0073] The rotating component 66 drives the spring resin through multiple water tanks 65 at different temperatures in sequence, shaping the spring resin through gradual temperature changes to ensure successful shaping. The last water tank 65 can be set as a cold water tank, and a cooling component 64 is used to cool the spring resin, providing double protection to ensure successful cooling of the spring resin.

[0074] The present invention and its embodiments have been described above illustratively, and this description is not restrictive. Therefore, if those skilled in the art are inspired by this description and design similar embodiments without departing from the spirit of the invention, such embodiments should fall within the protection scope of the present invention.

Claims

1. A spring resin molding device, characterized in that: The device includes a shaping mechanism (6), which includes a rotating component (66) connected to multiple shaping molds (63). Multiple heating stations are arranged around the rotating component (66). The rotating component (66) drives the shaping molds (63) to rotate. The shaping molds (63) enter the heating stations, and the heating components heat and shape the spring resin inside the shaping molds (63). The shaping molds (63) include a mold (637), which has a cavity inside. The cavity is connected to the outside world and the inner groove of the mold (637) through a water passage (6372) and a water inlet (6373). Heating components are provided at at least two heating stations. The heating components include a water tank (65), which contains a high-temperature solution. The shaping molds (63) enter the water tank (65), and the high-temperature solution enters the mold (637) to heat and shape the spring resin.

2. The spring resin molding equipment according to claim 1, characterized in that: The rotating component (66) includes a mounting rod (667) for mounting the molding mold (63), the molding mold (63) is connected to the moving component (69), and the moving component (69) drives the molding mold (63) to move in and out of the heating station.

3. The spring resin molding equipment according to claim 2, characterized in that: The rotating assembly (66) further includes a turntable (665) and a rotary motor (664). The turntable (665) includes an outer ring (6651) and an inner ring (6652) fitted inside the outer ring (6651). The inner ring (6652) has a through hole, and the inner wall of the through hole is provided with meshing teeth (6653). A gear is installed on the output shaft of the rotary motor (664), and the gear meshes with the meshing teeth (6653).

4. The spring resin molding equipment according to claim 1, characterized in that: It also includes a cooling assembly (64), which includes an air passage (641) and a cooling nozzle (645). The cooling nozzle (645) is mounted on the air passage (641) and communicates with the air passage (641). The cooling nozzle (645) communicates with the interior of the mold (637).

5. The spring resin molding equipment according to claim 1, characterized in that: A cylinder mounting block (638) is provided in the middle of the mold (637), and the cylinder mounting block (638) is connected to the mold cylinder (634); the mold cylinder (634) drives the upper and lower parts of the mold (637) to merge or separate.

6. The spring resin molding equipment according to claim 5, characterized in that: The molding die (63) also includes a tripod (632), and the die (637) is mounted on the tripod (632) in a height-adjustable manner via multiple movable rods (633); the tripod (632) is mounted on a track (631) and moves along the track (631).

7. The spring resin molding equipment according to claim 1, characterized in that: The water tank (65) also includes a heating rod (652) for heating the water; a water level gauge (653) for measuring the water level in the water tank (65); and a thermometer (656) for measuring the water temperature.

8. A method for molding spring resin, performed using the equipment described in any one of claims 1-7, characterized in that, The steps are as follows: Step 1: Place the unshaped spring resin into the mold (637) and close the mold (637); Step 2: The rotating component (66) rotates and drives the mold (637) into the water tank (65). The high-temperature solution in the water tank (65) enters the mold (637) to heat the spring resin. Step 3: The rotating component (66) rotates again, driving the mold (637) into multiple water tanks (65) with different temperatures in sequence; Step 4: After the rotating component (66) drives the mold (637) away from the last water tank (65), the cooling component (64) connects with the mold (637) to pressurize and cool the spring resin. Step 5: Open the mold (637), take out the shaped spring resin, and put in another unshaped spring resin.

Images