Melting and plasticizing device for anti-aging wood-plastic composite material

Abstract

The utility model relates to the technical field of wood-plastic composites, in particular to a melting and plasticizing device for an anti-aging wood-plastic composite, which is characterized in that a plurality of heat-conducting rings are respectively and fixedly arranged on the inner wall of a conveying pipe at equal intervals, and heat-conducting rods are connected among the plurality of heat-conducting rings; the diffusion assembly is arranged on the inner wall of the conveying pipe and matched with the heat conduction ring. The feeding cylinder is arranged at an opening of the feeding port in a penetrating manner, and the anti-blocking assembly is arranged at the bottom of the feeding cylinder; and through heat transfer between the heat conduction ring and the heat conduction rod and heat conduction of the arc-shaped plate, the wood-plastic material in the conveying pipe is uniformly heated.

Description

Technical Field

[0001] The utility model relates to the technical field of wood-plastic composite materials, and particularly relates to a melting and plasticizing device for aging-resistant wood-plastic composite materials. Background Art

[0002] In the existing melting device for wood-plastic composite materials, after the conveying pipe is heated, the material is extruded and formed by a spiral conveying pipe. Since the heat is unevenly distributed in the conveying pipe when the heating device heats the conveying pipe, it will affect the forming of the wood-plastic composite material. Therefore, there is an urgent need for a melting and plasticizing device for aging-resistant wood-plastic composite materials to solve the above problems. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a melting and plasticizing device for aging-resistant wood-plastic composite materials aiming at the defects and deficiencies of the prior art, and its technical features can solve the above problems.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions: It includes a conveying pipe and a spiral conveying rod; the spiral conveying rod is rotatably connected in the conveying pipe by bearings, a feeding port is opened through the left side of the conveying pipe, and several through holes are opened through the conveying pipe;

[0005] It further includes:

[0006] Thermal conduction rings, several thermal conduction rings are respectively fixedly arranged on the inner wall of the conveying pipe at equal intervals, and a thermal conduction rod is connected between several thermal conduction rings;

[0007] Diffusion assembly, the diffusion assembly is arranged on the inner wall of the conveying pipe, and the diffusion assembly is arranged in cooperation with the thermal conduction rings;

[0008] Feeding cylinder, the feeding cylinder is arranged through the opening of the feeding port, and an anti-blocking assembly is arranged at the bottom of the feeding cylinder.

[0009] Adopting the above design scheme, after heating the inside of the conveying pipe, the heat is evenly diffused to the inner wall of the conveying pipe through the diffusion assembly, so that the wood-plastic material in the conveying pipe is evenly heated, and the anti-blocking assembly is cooperated to avoid material blockage in the feeding cylinder.

[0010] Preferably, the diffusion assembly includes:

[0011] Arc-shaped plates, several arc-shaped plates are respectively movably inserted into the through holes on the conveying pipe, grooves are opened on the front and back sides of the arc-shaped plates, and the thermal conduction rod is movably clamped in the grooves;

[0012] Positioning blocks, several positioning blocks are respectively fixedly arranged on the conveying pipe, and the positioning blocks are arranged corresponding to the through holes. After the positioning screw passes through the positioning block, it is threadedly connected to the arc-shaped plate.

[0013] With the above design, the cooperation of the positioning screw and the positioning block facilitates the fixing of the arc-shaped plate in the conveying pipe, making it convenient for the operator to install and disassemble.

[0014] Preferably, sealing rings are provided at the tops of several arc-shaped plates to improve the sealing performance at the ends of the arc-shaped plates and prevent heat loss.

[0015] Preferably, the anti-blocking assembly includes:

[0016] Movable plates, there are two movable plates which are arc-shaped. The two movable plates are respectively arranged movably in the slotted openings, and slots are provided at both ends of the movable plates. Both sides of the two connecting plates are movably inserted into the slots respectively;

[0017] Connecting rods, there are two connecting rods. One ends of the two connecting rods are respectively connected to the corresponding movable plates, and the other ends of the connecting rods penetrate and extend out of the feeding cylinder;

[0018] A bidirectional lead screw, the bidirectional lead screw is rotatably connected to the conveying pipe by a shaft seat, and the end of the connecting rod is threadedly connected to the bidirectional lead screw.

[0019] With the above design, the movement of the connecting rod is controlled by the bidirectional lead screw, so that the corresponding movable plate moves, thereby adjusting the diameter of the bottom end of the feeding cylinder, facilitating the passage of materials and preventing the materials in the feeding cylinder from being blocked.

[0020] Preferably, the tops of the two movable plates are connected to the inner wall of the feeding cylinder by a blocking cloth to prevent materials from getting stuck between the movable plates and the inner wall of the feeding cylinder.

[0021] Compared with the prior art, the beneficial effects of the present utility model are:

[0022] 1. A diffusion assembly is provided. Through the heat transfer of the heat conduction ring and the heat conduction rod, and in cooperation with the heat conduction of the arc-shaped plate, the wood-plastic materials in the conveying pipe are evenly heated;

[0023] 2. An anti-blocking assembly is provided. The bidirectional lead screw drives the connecting rod to move, thereby driving the corresponding movable plate to move, so as to adjust the diameter of the bottom of the feeding cylinder and facilitate the passage of materials. Description of the Drawings

[0024] Figure 1 is a schematic structural diagram of the present utility model.

[0025] Figure 2 is a schematic diagram of the internal structure of the conveying pipe in the present utility model.

[0026] Figure 3 is a schematic structural diagram of the anti-blocking assembly in the present utility model.

[0027] Figure 4It is a schematic structural diagram of the movable plate and the connecting plate in the utility model.

[0028] Explanation of reference numerals:

[0029] Delivery pipe 1, screw conveyor 2, feed inlet 3, opening 4, heat conduction ring 5, heat conduction rod 6, diffusion assembly 7, feed cylinder 8, anti-blocking assembly 9, arc plate 10, groove 11, positioning block 12, positioning screw 13, sealing ring 14, movable plate 15, slotted opening 16, connecting plate 17, connecting rod 18, bidirectional lead screw 19, blocking cloth 20. Specific implementation manner

[0030] The present utility model will be further described below with reference to the accompanying drawings.

[0031] As Figure 1 -- Figure 4 shown, the present specific implementation manner adopts the following technical solution: It includes a delivery pipe 1 and a screw conveyor 2; the screw conveyor 2 is rotatably connected in the delivery pipe 1 by means of a bearing, a feed inlet 3 is provided through the left side of the delivery pipe 1, and several openings 4 are provided through the delivery pipe 1;

[0032] It further includes:

[0033] Heat conduction rings 5, several of the heat conduction rings 5 are respectively fixedly arranged on the inner wall of the delivery pipe 1 at equal intervals, and heat conduction rods 6 are connected between several of the heat conduction rings 5, and the leftmost heat conduction ring 5 is connected to a heating device, facilitating rapid heating of the inside of the delivery pipe 1;

[0034] Diffusion assembly 7, the diffusion assembly 7 is arranged on the inner wall of the delivery pipe 1, and the diffusion assembly 7 is arranged in cooperation with the heat conduction ring 5. The diffusion assembly 7 includes:

[0035] Arc plates 10, several of the arc plates 10 are respectively movably inserted into the openings 4 on the delivery pipe 1, grooves 11 are provided on the front and rear sides of the arc plates 10, and the heat conduction rods 6 are movably clamped in the grooves 11. By movably inserting the arc plates 10 into the openings 4, it is convenient for the installation or disassembly of the arc plates 10. The arc plates 10 are made of heat-conducting metal. The arc plates 10 are heated through the heat conduction rods 6, so that the peripheral wall of the delivery pipe 1 is uniformly heated. Sealing rings 14 are provided at the tops of several of the arc plates 10 to improve the sealing performance at the ends of the arc plates 10 and avoid heat loss;

[0036] Positioning blocks 12, several of the positioning blocks 12 are respectively fixedly arranged on the delivery pipe 1, and the positioning blocks 12 are arranged corresponding to the openings 4. After the positioning screws 13 pass through the positioning blocks 12, they are threadedly connected to the arc plates 10. The positioning screws 13 and the positioning blocks 12 are used to fix the arc plates 10 in the openings 4;

[0037] The feeding cylinder 8 is arranged through the opening of the feeding port 3, and the anti-blocking assembly 9 is arranged at the bottom of the feeding cylinder 8. The anti-blocking assembly 9 includes:

[0038] The movable plates 15 are two and arc-shaped. The two movable plates 15 are respectively arranged movably in the slots 16, and the two ends of the movable plates 15 are provided with slots. The two sides of the two connecting plates 17 are respectively movably inserted into the slots. Through the cooperation of the movable plates 15 and the connecting plates 17, it is convenient to adjust the diameter of the bottom end of the feeding cylinder 8, so as to facilitate the passage of the wood-plastic material. The tops of the two movable plates 15 are connected to the inner wall of the feeding cylinder 8 by the blocking cloth 20 to prevent the material from being stuck between the movable plates 15 and the inner wall of the feeding cylinder 8;

[0039] The connecting rods 18 are two. One ends of the two connecting rods 18 are respectively connected to the corresponding movable plates 15, and the other ends of the connecting rods 18 penetrate and extend out of the feeding cylinder 8 to drive the corresponding movable plates 15 to move by means of the connecting rods 18;

[0040] The bidirectional lead screw 19 is rotatably connected to the conveying pipe 1 by means of a shaft seat, and the end of the connecting rod 18 is threadedly connected to the bidirectional lead screw 19 to facilitate driving the two movable plates 15 to move in opposite directions.

[0041] When using the present utility model, the operator first fixes the arc-shaped plate 10 in the opening 4 by using the positioning screw 13 and the positioning block 12, so that the heat conducting rod 6 is clamped in the groove 11. Then the heating device is turned on, the heat is transferred to the heat conducting ring 5, and then transferred to the arc-shaped plate 10 through the heat conducting rod 6, so that the inner wall of the conveying pipe 1 is uniformly heated. Then the wood-plastic material is put into the feeding cylinder 8, and the spiral conveying rod 2 is started, so that the wood-plastic material passes through the conveying pipe 1 from left to right;

[0042] At the same time, the operator rotates the hand-twist at the end of the bidirectional lead screw 19, so that the front and rear two connecting rods 18 move in opposite directions. The connecting rods 18 drive the corresponding movable plates 15 to move, and the movable plates 15 cooperate with the connecting plates 17 to adjust the diameter of the bottom of the feeding cylinder 8 to prevent the wood-plastic material from being blocked.

[0043] After adopting the above structure, the beneficial effects of the present specific embodiment are as follows:

[0044] 1. The diffusion assembly 7 is provided. Through the heat transfer of the heat conducting ring and the heat conducting rod 6, and then in cooperation with the heat conduction of the arc-shaped plate 10, the wood-plastic material in the conveying pipe 1 is uniformly heated;

[0045] 2. The anti-blocking assembly 9 is provided. The bidirectional lead screw 19 drives the connecting rod 18 to move, so as to drive the corresponding movable plate 15 to move, so as to adjust the diameter of the bottom of the feeding cylinder 8 to facilitate the passage of the material.

[0046] The above are only used to illustrate the technical solution of the present utility model rather than to limit it. Any other modifications or equivalent substitutions made by those of ordinary skill in the art to the technical solution of the present utility model shall be covered within the scope of the claims of the present utility model as long as they do not depart from the spirit and scope of the technical solution of the present utility model.

Claims

1. A melting and plasticizing device for anti-aging wood-plastic composite materials, comprising a conveying pipe (1) and a screw conveying rod (2); the screw conveying rod (2) is screwed into the conveying pipe (1) by means of a bearing, a feed port (3) is provided through the left side of the conveying pipe (1), and a plurality of openings (4) are provided through the conveying pipe (1); It is characterized in that It also contains: A heat-conducting ring (5), wherein the heat-conducting ring (5) is in plurality, and the heat-conducting rings (5) are fixedly arranged on the inner wall of the conveying pipe (1) at equal intervals, and a heat-conducting rod (6) is connected between the heat-conducting rings (5); A diffusion component (7), wherein the diffusion component (7) is arranged on the inner wall of the delivery pipe (1), and the diffusion component (7) is arranged in cooperation with the heat conducting ring (5); A feed barrel (8), wherein the feed barrel (8) is arranged through the opening of the feed port (3), and an anti-blocking component (9) is arranged at the bottom of the feed barrel (8).

2. The melting and plasticizing device of an aging-resistant wood-plastic composite material according to claim 1, characterized in that: The diffusion component (7) comprises: A curved plate (10), wherein the curved plates (10) are in plurality and are movably inserted into the openings (4) on the conveying pipe (1), and grooves (11) are provided on the front and rear sides of the curved plate (10), and the heat conducting rod (6) is movably clamped in the grooves (11); The positioning blocks (12) are multiple, and the multiple positioning blocks (12) are respectively fixedly arranged on the conveying pipe (1), and the positioning blocks (12) are arranged corresponding to the openings (4). After the positioning screw (13) passes through the positioning block (12), it is screwed onto the arc plate (10).

3. The melting and plasticizing device of the aging-resistant wood-plastic composite material according to claim 2, characterized in that: The top ends of the plurality of arc-shaped plates (10) are each provided with a sealing ring (14).

4. The melting and plasticizing device of an aging-resistant wood-plastic composite material according to claim 1, characterized in that: The anti-blocking component (9) comprises: A movable plate (15), wherein the movable plates (15) are two and are arranged in an arc shape, the two movable plates (15) are movably arranged in the slots (16) respectively, and slots are opened at both ends of the movable plate (15), and the two sides of the two connecting plates (17) are movably inserted in the slots respectively; Connecting rods (18), wherein there are two connecting rods (18), one end of each of the two connecting rods (18) is connected to a corresponding movable plate (15), and the other end of the connecting rod (18) passes through and extends out of the feed barrel (8); A bidirectional screw rod (19) is screwed onto the delivery pipe (1) by means of a shaft seat, and the end of the connecting rod (18) is screwed onto the bidirectional screw rod (19) by means of a thread.

5. The melting and plasticizing device of the aging-resistant wood-plastic composite material according to claim 4, characterized in that: The top ends of the two movable plates (15) are connected to the inner wall of the feed cylinder (8) by means of a blocking cloth (20).

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