Foaming extrusion die with efficient cooling function

Abstract

The utility model provides a foaming extrusion die capable of efficiently cooling, which belongs to the technical field of production of wood-like foaming plates, and aims to solve the problems that the existing wood-like foaming plates are cooled in a water tank, the efficiency is low, the occupied area is large, and the water temperature fluctuation of a water cooling system is large, so that the quality of finished products is possibly influenced. The two die lips are dispersedly arranged in front of the die main body; the butt joint pieces are of U-shaped structures, and the rear ends of the two butt joint pieces are inserted into the two connecting grooves respectively; the efficient cooling assembly is arranged on the outer sides of the two die lips; and the two sets of disassembly assemblies are arranged on the outer sides of the two die lips correspondingly. Through cooperation of water cooling and oil cooling, rapid cooling is achieved during plate extrusion, the length of the cooling water tank is shortened, efficiency is guaranteed, the temperature gradient is reduced, the skinning problem is avoided, in addition, the heat conduction plate is convenient to disassemble, and maintenance operation is more convenient.

Description

Technical Field

[0001] This utility model belongs to the field of wood-imitation foam board production technology, and more specifically, it relates to a high-efficiency cooling foam extrusion mold. Background Technology

[0002] Wood-look foamed boards are a new type of material that simulates the appearance and some properties of natural wood. They are made by introducing a foaming process into plastic raw materials and have the advantages of being lightweight and cost-effective. Extruders are often used in their production. The extrusion die determines the shape and dimensional accuracy of the product, affecting its quality and performance. It is one of the most important pieces of equipment in the extrusion process. An extrusion die generally consists of two die bodies, an infeed end, a flow channel, and a die lip that controls the thickness and width of the finished product.

[0003] Existing application number: CN202020959970.5, this utility model relates to the field of PVC foam board technology, and discloses a PVC foam board extrusion mold, including a lower template, a foaming cavity opened at the top of the lower template, an upper template movably connected to the top of the lower template, a first groove opened on the outer wall of the lower template, a first slider movably connected to the inner wall of the first groove, a first rotating shaft movably connected to the inner wall of the first slider, a movable frame movably connected to the outer wall of the first slider, and a second groove opened on the inner wall of the movable frame. This PVC foam board extrusion mold achieves the purpose of easy cutting, solves the problem that the structure of general PVC foam board extrusion molds is relatively simple and inconvenient for cutting, allows users to cut the foam board in time during demolding, reduces the trouble and burden on users, improves the flexibility of the device, facilitates the user's work efficiency, and allows users to easily adjust and cut the foam board, meeting the user's needs.

[0004] Based on the above, after the wood-look foam board is extruded from the die lip, most of them use a water tank at the outlet so that the board can directly enter the water tank for cooling. However, the water cooling method has low cooling efficiency for the board, requires a long cooling water tank, occupies a large area, and some simpler water cooling systems have large water temperature fluctuations, which may affect the quality of the finished product. Utility Model Content

[0005] To address the aforementioned technical problems, this utility model provides a high-efficiency cooling foaming extrusion mold. This solves the problem that most existing imitation wood foam boards are extruded from the die lip and then cooled by placing a water tank at the outlet. However, the water cooling method has low cooling efficiency for the board, requires a long cooling water tank, occupies a large area, and some simpler water cooling systems have large water temperature fluctuations, which may affect the quality of the finished product.

[0006] The purpose and effect of this utility model of a high-efficiency cooling foaming extrusion mold are achieved by the following specific technical means:

[0007] A high-efficiency cooling foaming extrusion mold, comprising a mold body;

[0008] The mold lip is provided in two parts, which are distributed in front of the mold body.

[0009] Two connectors are provided, and the two connectors are respectively fixedly connected to the outer sides of the two mold lips;

[0010] Two connecting slots are provided, and the two connecting slots are respectively provided inside the two connecting parts;

[0011] The docking component has a "U" shaped structure, and two docking components are provided, with the rear ends of the two docking components respectively inserted into two connecting slots;

[0012] The transmission box is provided in two parts, and the two transmission boxes are respectively fixedly connected to the outside of two connecting parts;

[0013] A high-efficiency cooling assembly is disposed on the outer side of the two mold lips;

[0014] The splitting components are provided in two sets, and the two sets of splitting components are respectively located on the outer sides of the two mold lips.

[0015] Furthermore, the high-efficiency cooling component includes:

[0016] A heat-conducting plate, wherein two heat-conducting plates are provided, and the two heat-conducting plates are respectively fixedly connected to the front ends of two mating parts;

[0017] Water-cooled pipe, which is fixedly connected inside the two heat-conducting plates;

[0018] The oil cooling pipe is fixedly connected inside the two heat-conducting plates.

[0019] Furthermore, the splitting component includes:

[0020] A knob, which is rotatably connected inside the transmission box;

[0021] A transmission worm gear, which is coaxially and fixedly connected to the left end of the knob;

[0022] A first drive shaft is rotatably connected inside the transmission box;

[0023] A transmission worm gear is coaxially and fixedly connected to the first transmission shaft, and the transmission worm gear meshes with the transmission worm.

[0024] Furthermore, the splitting component also includes:

[0025] A transmission gear, which is coaxially and fixedly connected to the bottom of the first transmission shaft;

[0026] The transmission rack consists of two racks, which are slidably connected inside the transmission box and mesh with transmission gears respectively.

[0027] Furthermore, the splitting component also includes:

[0028] The limiting pins are provided in two pieces, and the upper ends of the two limiting pins are respectively fixedly connected to the outer sides of the two transmission racks.

[0029] A limiting groove is provided at the bottom rear side of the mating part.

[0030] Furthermore, the splitting component also includes:

[0031] A limiting plate is fixedly connected to the right end of the transmission rack on the right side.

[0032] Compared with the prior art, the present invention has the following beneficial effects:

[0033] First, the combination of water-cooled pipes and oil-cooled pipes enables rapid cooling of the board as soon as it is extruded, reducing the length of the cooling water tank required later. This ensures overall cooling efficiency while reducing the temperature gradient, making the internal and surface temperatures more uniform, avoiding excessively hard or soft skin, and improving the overall quality of the wood-look foam board.

[0034] Secondly, by turning the knob, the two limiting pins can be moved out of the limiting groove, and then the heat conduction plate can be moved upward to remove them from above the mold lip. This makes the operation more convenient when maintenance of the water cooling pipe, oil cooling pipe and heat conduction plate is required.

[0035] This invention combines water cooling and oil cooling to rapidly cool the board during extrusion, which shortens the length of the cooling water tank, ensures efficiency, reduces the temperature gradient, avoids skinning problems, and improves the quality of the wood-like foam board. In addition, the heat-conducting plate is easy to disassemble, making the maintenance of the water cooling pipe, oil cooling pipe and heat-conducting plate more convenient. Attached Figure Description

[0036] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0037] Figure 2 This is a schematic diagram of the hot plate structure of this utility model.

[0038] Figure 3 This is a schematic diagram of the connector structure of this utility model.

[0039] Figure 4 This is a schematic diagram of the limiting pin structure of this utility model.

[0040] Figure 5 This is a schematic diagram of the first transmission shaft structure of this utility model.

[0041] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0042] 1. Mold body; 2. Mold lip; 3. Connecting parts; 301. Connecting groove; 4. Butt joint; 401. Heat-conducting plate; 402. Limiting groove; 5. Water cooling pipe; 6. Oil cooling pipe; 7. Transmission box; 8. Knob; 801. Transmission worm gear; 9. First transmission shaft; 901. Transmission worm wheel; 902. Transmission gear; 10. Transmission rack; 1001. Limiting plate; 1002. Limiting pin. Detailed Implementation

[0043] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0044] Example 1:

[0045] As attached Figure 1 To be continued Figure 5 As shown:

[0046] This utility model provides a high-efficiency cooling foaming extrusion mold, including a mold body 1;

[0047] Mold lip 2, two mold lips 2 are provided, and the two mold lips 2 are distributed in front of the mold body 1;

[0048] Connector 3, two connectors 3 are provided, and the two connectors 3 are respectively fixedly connected to the outer sides of the two mold lips 2;

[0049] Two connecting slots 301 are provided, and the two connecting slots 301 are respectively provided inside the two connecting parts 3;

[0050] The docking component 4 has a "U" shaped structure. Two docking components 4 are provided, and the rear ends of the two docking components 4 are respectively inserted into the two connecting slots 301.

[0051] Transmission box 7, two transmission boxes 7 are provided, and the two transmission boxes 7 are respectively fixedly connected to the outside of the two connecting parts 3;

[0052] High-efficiency cooling components are located on the outer side of the two mold lips 2.

[0053] The high-efficiency cooling components include:

[0054] Heat-conducting plate 401, two heat-conducting plates 401 are provided, and the two heat-conducting plates 401 are respectively fixedly connected to the front end of the two mating parts 4;

[0055] Water cooling pipe 5 is fixedly connected inside the two heat conduction plates 401;

[0056] The oil cooling pipe 6 is fixedly connected inside the two heat-conducting plates 401. Its function is that a water-cooling circulation pump is connected to the end of the water cooling pipe 5, and an oil-cooling circulation pump is connected to the end of the oil cooling pipe 6. The heat-conducting plate 401 is made of high-efficiency thermally and thermally conductive aluminum, which can quickly cool the extruded wood-like foam board.

[0057] The specific usage and function of this embodiment are as follows:

[0058] In use, a water-cooled circulation pump is connected to the upper and lower ends of the water-cooled pipe 5, and an oil-cooled circulation pump is connected to the upper and lower ends of the oil-cooled pipe 6. The heat-conducting plate 401 is made of high-efficiency thermally and thermally conductive aluminum, which can quickly cool the extruded wood-like foam board. At the same time, the combination of oil cooling and water cooling, with the large specific heat capacity of water, allows the heat-conducting plate 401 area near the water-cooled pipe 5 to quickly absorb a large amount of heat. The heat-conducting plate 401 near the oil-cooled pipe 6 has better thermal conductivity and can effectively transfer heat. The combination of the two ensures the overall cooling efficiency while reducing the temperature gradient, making the internal and surface temperatures more uniform, avoiding excessively hard or soft skin, and improving the overall performance of the wood-like foam board.

[0059] Example 2:

[0060] Based on Example 1, as shown in the appendix Figure 1 To be continued Figure 5 As shown, it also includes a splitting component, which is set in two groups, and the two groups of splitting components are respectively set on the outer side of the two mold lips 2.

[0061] The split components include:

[0062] Knob 8 is connected to the inside of transmission box 7 by rotation;

[0063] The transmission worm gear 801 is coaxially and fixedly connected to the left end of the knob 8;

[0064] The first drive shaft 9 is rotatably connected inside the transmission box 7;

[0065] The transmission worm gear 901 is coaxially and fixedly connected to the first transmission shaft 9. The transmission worm gear 901 meshes with the transmission worm 801. The function of this is that rotating the knob 8 can drive the first transmission shaft 9 to rotate through the worm gear transmission mechanism formed by the meshing of the transmission worm gear 901 and the transmission worm 801.

[0066] The splitting components also include:

[0067] Transmission gear 902 is coaxially and fixedly connected to the bottom of the first transmission shaft 9;

[0068] The transmission rack 10 consists of two racks, which are slidably connected inside the transmission box 7. The two racks mesh with the transmission gear 902 respectively. The effect is that when the first transmission shaft 9 rotates, the two racks will move outward or inward simultaneously through the gear and rack transmission mechanism formed by the meshing of the two racks with the transmission gear 902.

[0069] The splitting components also include:

[0070] Limit pin 1002, two limit pins 1002 are provided, and the upper ends of the two limit pins 1002 are respectively fixedly connected to the outer side of the two transmission racks 10.

[0071] The limiting groove 402 is located at the bottom rear side of the mating part 4. Its function is that when the two transmission racks 10 move outward at the same time, they drive the two limiting pins 1002 to move out of the limiting groove 402. Then, the heat conduction plate 401 can be moved outward to remove it from the outside of the mold lip 2.

[0072] The splitting components also include:

[0073] The limiting plate 1001 is fixedly connected to the right end of the right transmission rack 10. Its function is that when the right transmission rack 10 moves to the left, it drives the limiting plate 1001 to move synchronously. When the limiting plate 1001 contacts the transmission gear 902, the transmission gear 902 can no longer rotate, thereby preventing the two transmission racks 10 from falling off due to excessive rotation.

[0074] The specific usage and function of this embodiment are as follows:

[0075] When maintenance is required on the heat-conducting plate 401 or its internal water-cooling pipes 5 and oil-cooling pipes 6, turning the knob 8 will drive the first transmission shaft 9 to rotate via a worm gear transmission mechanism consisting of a worm wheel 901 and a worm 801. The rotation of the first transmission shaft 9 will, through a gear and rack transmission mechanism consisting of two transmission racks 10 meshing with transmission gears 902, simultaneously move the two transmission racks 10 outwards. This outward movement of the two transmission racks 10 will cause the two limiting pins 1002 to move out of the limiting grooves 402. After removal, the heat-conducting plate 401 can be moved upward to remove it from above the mold lip 2. When the limiting plate 1001 contacts the transmission gear 902, the transmission gear 902 can no longer rotate, thus avoiding excessive rotation that could cause the two transmission racks 10 to fall off. The same operation can be used to remove the lower heat-conducting plate 401, thus completing the separation of the two heat-conducting plates 401 and the mold lip 2 for easy maintenance. After maintenance, insert the rear end of the docking part 4 into the connecting groove 301, and then rotate the knob 8 in the opposite direction to fix the docking part 4 and the mold lip 2.

[0076] The following points should be noted in this article:

[0077] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.

[0078] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0079] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A high-efficiency cooling foaming extrusion die, comprising a die body, a die lip, a connecting piece, a connecting groove, a butt joint piece, a transmission box, a high-efficiency cooling assembly and a split assembly; characterized in that: Two said mold lip dispersion settings in front of the mold body; two said connecting piece is fixedly connected to the outside of the two mold lip; two said connecting groove is respectively set in the inside of two connecting piece; said butt joint piece is "U" type structure, said butt joint piece is provided with two, two said butt joint piece rear end is respectively inserted into the inside of two connecting grooves; two said transmission box is respectively fixedly connected to the outside of two connecting piece; said high -efficient cooling assembly is provided in the outside of two mold lip; two groups said split component is respectively set in the outside of two mold lip.

2. The high-efficiency cooled foaming extrusion die of claim 1, wherein: The high -efficient cooling assembly comprises a heat conduction plate, a water cooling pipe and an oil cooling pipe; the heat conduction plate is provided with two, and the two heat conduction plates are respectively fixedly connected to the front side end of the two butt joint pieces; the water cooling pipe is fixedly connected to the inside of the two heat conduction plates; the oil cooling pipe is fixedly connected to the inside of the two heat conduction plates.

3. The high-efficiency cooled foaming extrusion die of claim 1, wherein: The split component comprises a knob, a first transmission shaft and a transmission worm; the knob is rotatably connected to the inside of the transmission box; the transmission worm is coaxially fixedly connected to the left end of the knob; the first transmission shaft is rotatably connected to the inside of the transmission box; the transmission worm is coaxially fixedly connected to the first transmission shaft, and the transmission worm is engaged with the transmission worm.

4. The high-efficiency cooled foaming extrusion die of claim 3, wherein: The split component further comprises a transmission gear and a transmission rack; the transmission gear is coaxially fixedly connected to the bottom of the first transmission shaft; the transmission rack is provided with two, and the two transmission racks are slidably connected to the inside of the transmission box, and the two transmission racks are respectively engaged with the transmission gear.

5. The high-efficiency cooled foaming extrusion die of claim 4, wherein: The split component further comprises a limiting pin and a limiting groove; the limiting pin is provided with two, and the upper end of the two limiting pins is respectively fixedly connected to the outside of the two transmission racks; the limiting groove is provided in the rear side bottom of the butt joint piece.

6. The high-efficiency cooled foaming extrusion die of claim 5, wherein: The split component further comprises a limiting plate; the limiting plate is fixedly connected to the right end of the right transmission rack.

Images