PVC particle and wood flour mixing equipment

Abstract

The invention provides PVC particle and wood flour mixing equipment. The equipment comprises a drying box; the crushing and screening assembly is arranged at the bottom of one side of the drying box, and the crushing and screening assembly comprises a crushing part and a screening part; a mixing tank; the temporary storage box is mounted on the top surface of the mixing tank, and a first storage cavity and a second storage cavity are formed in the temporary storage box; a wood powder delivery pipe; the circulating material lifting assembly is installed between the temporary storage box and the drying box, the circulating material lifting assembly comprises a circulating conveying vertical plate, a first material receiving component and a second material receiving component, and the first material receiving component and the second material receiving component which droop due to the dead weight are installed in each positioning frame; the circulating material lifting assembly comprises the following states. According to the PVC particle raw material crushing and drying device, PVC particle raw materials can be fully crushed and dried, the qualification degree of the PVC particle raw materials is effectively guaranteed, input wood powder can be stirred and dried, and therefore moisture in the wood powder is removed.

Description

Technical Field

[0001] The invention relates to the technical field of wood-plastic board production, and in particular to a device for mixing PVC particles and wood powder. Background Art

[0002] Wood plastic board is a new type of environmentally friendly composite material. It is made of natural fibers such as wood powder and sawdust mixed with plastics such as polyethylene, polypropylene, and polyvinyl chloride. Some chemical additives are also added to improve its performance. When producing wood plastic board, wood powder and PVC particles are mixed in proportion. Then the mixed wood plastic is added to the extruder, and the material is heated and extruded into shape. Molding and pressing, pressing and molding in the mold;

[0003] The current wood powder and PVC particles have the following defects when mixed:

[0004] 1. The raw material particle size of PVC particles is relatively large, resulting in insufficient mixing of PVC particles and wood powder during subsequent mixing;

[0005] 2. There will be a certain amount of humidity in the PVC particles and wood powder raw materials, which will lead to insufficient dryness of the mixture of the two, affecting the subsequent extrusion molding effect of the wood-plastic board, and the extruded wood-plastic board will be insufficient in strength. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides a PVC particle and wood powder mixing device, which solves the problems mentioned in the background technology.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A PVC particle and wood powder mixing device comprises a drying box, wherein a partition is provided in the middle of the interior of the drying box, one side of the partition is a first drying chamber, and the other side of the partition is a second drying chamber, the bottom surface of the first drying chamber is provided with interactive holes, the inner side surfaces of the first drying chamber and the second drying chamber are both embedded with heating plates, and the top and bottom of the second drying chamber are both open structures; the first drying chamber is rectangular, the interior of the second drying chamber is circular, and a first dispersing component is provided in the second drying chamber;

[0009] A crushing and screening component is arranged at the bottom of one side of the drying box. The crushing and screening component includes a crushing component and a screening component. The screening component is arranged at the bottom of the crushing component. The crushing component is used to crush the PVC raw materials with large particle sizes, and the screening component is used to screen out unqualified PVC particles with large particle sizes.

[0010] A mixing tank is arranged below the drying box and is used to mix qualified PVC particles with wood powder;

[0011] A temporary storage box is installed on the top surface of the mixing tank. A first storage chamber and a second storage chamber are provided inside the temporary storage box. The first storage chamber is used to store the dried qualified PVC particles, and the second storage chamber is used to store the dried wood powder. A fixed side rod is provided on the inner wall of the first storage chamber, and an arc-shaped tooth plate is provided on the top of the fixed side rod.

[0012] A wood powder outlet pipe, the top of which is connected to the outlet of the second drying chamber and the bottom of which is connected to the second storage chamber, a second dispersing component is arranged inside the wood powder outlet pipe, and an electric heating wire is arranged on the inner wall of the wood powder outlet pipe;

[0013] The circulating material lifting assembly is installed between the temporary storage box and the drying box. The circulating material lifting assembly includes a circulating conveying vertical plate, a first material receiving component and a second material receiving component. The top of the circulating conveying vertical plate passes through the interactive hole and extends into the first drying chamber. The bottom of the circulating conveying vertical plate extends to the top of the first storage chamber. The outer wall of the circulating conveying vertical plate is evenly installed with positioning frames. Each group of positioning frames is installed with the first material receiving component and the second material receiving component hanging down by their own weight. The circulating material lifting assembly includes the following states:

[0014] In the first state, the positioning frame moves to the bottom of the screening component, the first receiving component receives qualified PVC particles, and the second receiving component receives unqualified PVC particles;

[0015] In the second state, the positioning frame moves to the top of the crushing component, and the second receiving component pours out unqualified PVC particles into the crushing component;

[0016] In the third state, the positioning frame moves into the first drying chamber, and the first drying chamber dries the qualified PVC particles in the first receiving component;

[0017] In the fourth state, the positioning frame moves to the top of the first storage chamber, and the first material receiving component pours out the dried qualified PVC particles into the first storage chamber.

[0018] Furthermore, the first material receiving component includes a first material receiving box, a laterally distributed stirring rod is installed in the middle part of the interior of the first material receiving box, second gears are provided at both ends of the stirring rod, and fourth gears are respectively placed at both ends of the first material receiving box; the middle part of the first material receiving box is rotatably installed on one side of the positioning frame and a first gear is installed at the rotating connection.

[0019] Furthermore, the second material receiving component comprises a second material receiving box, the middle part of which is rotatably mounted on the other side of the positioning frame and a third gear is mounted at the rotating connection.

[0020] Further, the crushing component includes a crushing box, the interior of which is symmetrically provided with crushing tooth rollers, an L-shaped bracket is installed on the side of the crushing box, a horizontally arranged first driving rod is provided on the inner wall of the top end of the bracket, an inclined material return inclined plate is provided on the output end of the first driving rod, and the material return inclined plate is used to guide the unqualified PVC particles poured out by the second material receiving component to the crushing box, a vertical fixing rod is installed on the side of the bracket, the vertical fixing rod is in a 7-shaped shape, and a vertically arranged first tooth plate is provided on the top end of the vertical fixing rod;

[0021] In the second state, the first tooth plate contacts and drives the third gear to rotate, and the second material receiving box rotates to unload the materials.

[0022] Furthermore, the screening component includes a main tank body, a transmission shaft is provided in the middle part of the interior of the main tank body, a sieve plate is vertically provided at the top of the transmission shaft, the sieve plate is located at the top of the interior of the main tank body, an inclined scraper is provided on the inner wall of the top of the main tank body, the inclined scraper is attached to the surface of the sieve plate, and a vibration support seat is installed on the bottom surface of the main tank body; a first discharge pipe and a second discharge pipe are installed on the side of the main tank body, the second discharge pipe is located at the lower side of the first discharge pipe, the first discharge pipe is connected to the top of the sieve plate, and the second discharge pipe is connected to the bottom of the sieve plate; a horizontally arranged second drive rod is installed on the bottom surface of the main tank body, and the output end of the second drive rod is connected to the U-shaped frame.

[0023] Further, the first floating discharge component includes a first vertical tube, a first floating tube and a first blocking plate, one end of the U-shaped frame is connected to the first vertical tube, the top side wall of the first vertical tube is connected to the second discharge tube through the first material guide hose, the first floating tube slides into the first vertical tube, a central shaft is provided in the middle of the first blocking plate, the central shaft is rotatably placed in the first vertical tube, one end of the central shaft is rotatably passed through the positioning tube, the positioning tube is fixed in the first vertical tube, a fourth gear is provided at the outer end of the central shaft, the central shaft is engaged and positioned in the positioning tube, and the fourth gear is placed on the outer side of the first vertical tube;

[0024] A first baffle is provided on one side of the bottom end of the first floating tube, and a second baffle is provided on the other side. A second tooth plate and a first spring rod are vertically provided on the surface of the first baffle. A tooth groove is provided on the top of the second tooth plate. The second tooth plate is placed on the rear side of the fourth gear. The top end of the first spring rod is connected to the side wall of the first vertical tube. A third tooth plate is vertically slidably penetrated inside the second baffle, and the top end of the third tooth plate is fixedly connected to the first vertical tube.

[0025] In the first state, the working steps of the first floating discharging component are:

[0026] The first driving rod drives the first vertical pipe to move above the first material receiving box, and the first floating pipe contacts the first material receiving box;

[0027] The first material receiving box moves upward against the first floating tube, and the second tooth plate moves upward to drive the first sealing plate to rotate and open, and the material in the first vertical tube is discharged into the first material receiving box. At the same time, the third tooth plate drives the second gear to rotate to drive the stirring rod to rotate and stir the dispersed material.

[0028] Furthermore, the second floating discharge component includes a second vertical tube, a second floating tube and a second blocking plate, the other end of the U-shaped frame is connected to the second vertical tube, the top side wall of the second vertical tube is connected to the first discharge tube through a second material guide hose, the second floating tube slides and extends into the second vertical tube, the middle part of the second blocking plate is rotatably placed in the second vertical tube, one end of the middle part of the second blocking plate is provided with a fifth gear, and the fifth gear is placed on the outside of the second vertical tube; a third baffle is provided on one side of the bottom end of the second floating tube, and a fourth baffle is provided on the other side, a fourth tooth plate and a second spring rod are vertically provided on the surface of the third baffle, a tooth groove is provided on the top of the fourth tooth plate, the fourth tooth plate is placed on the rear side of the fifth gear, and the top end of the second spring rod is connected to the side wall of the second vertical tube;

[0029] In the first state, the working steps of the second floating discharge component are:

[0030] The second driving rod drives the second vertical pipe to move above the second material receiving box, and the second floating pipe contacts the second material receiving box;

[0031] The second material receiving box moves upward against the second floating pipe, and the fourth tooth plate moves upward to drive the second blocking plate to rotate and open, and the material in the second vertical pipe is discharged into the second material receiving box.

[0032] Furthermore, a vertically arranged constraint sleeve is installed on the inner wall of the first drying chamber, and a fifth tooth plate is provided on the inner wall of the constraint sleeve, and the top and bottom of the constraint sleeve are both open structures; in the third state, when the first material receiving box moves downward, the second gear enters the constraint sleeve, and the fifth tooth plate drives the second gear to rotate, so as to drive the stirring rod to rotate and stir the material.

[0033] Furthermore, the first dispersion component includes a main drive shaft, an inner dispersion plate and an outer dispersion plate. The main drive shaft is rotatably installed at the center of the top surface of the second drying chamber. The outer wall of the main drive shaft is connected to the swivel through a hanging plate. The outer wall of the bottom end of the main drive shaft is provided with an inner dispersion plate in a circular array. The inner wall of the swivel is provided with outer dispersion plates distributed in a circular array. The outer dispersion plate is placed between the two groups of inner dispersion plates. The side cross-sections of the inner dispersion plate and the outer dispersion plate are both right-angled triangles.

[0034] Furthermore, the second dispersion component includes a transverse fixed rod, a lifting shaft, and a stirring rod. A material gathering cover is provided at the top of the wood powder outlet pipe, and the material gathering cover is connected to the bottom of the second drying chamber. A main drive bevel gear is provided at the bottom end of the main drive shaft, and the main drive bevel gear extends into the wood powder outlet pipe. A transverse fixed rod is provided at the top of the inside of the wood powder outlet pipe. A driven bevel gear is rotatably sleeved on the outer wall of the transverse fixed rod. The driven bevel gear is vertically meshed with the main drive bevel gear. A cam is provided on the outer side surface of the driven bevel gear. A third spring rod is vertically provided in the middle of the bottom surface of the transverse fixed rod. The bottom end of the third spring rod is connected to the matching plate, and the cam is in matching contact with the matching plate. A lifting shaft is provided at the bottom end of the matching plate, and a plurality of toggle rods are provided on the outer wall of the lifting shaft.

[0035] The present invention provides a PVC particle and wood powder mixing device. Compared with the prior art, it has the following beneficial effects:

[0036] 1. In order to ensure the mixing effect of PVC raw materials, the following scheme is designed: a crushing component is set to crush the input PVC particles to obtain PVC particles with smaller particle size, which can improve the mixing effect of subsequent wood powder and PVC particles, and the two are mixed more fully; a screening component is designed to screen the crushed particles, so that qualified particles flow out and unqualified particles are retained; a circulating lifting component is designed to receive qualified PVC particles and unqualified PVC particles at the same time, and lift the unqualified PVC particles to the top of the crushing component for secondary crushing, while the qualified PVC particles are lifted to the first drying chamber, and the first drying chamber can be used to heat and remove moisture in the qualified PVC particles, further ensuring the quality of the finished product;

[0037] 2. In order to ensure the mixing effect of wood powder, the following scheme is designed: a first dispersing component is arranged in the second drying chamber, and the first dispersing component can disperse the fallen wood powder so that the wood powder is evenly dispersed in the second drying chamber. In this way, the wood powder contacts with the hot air in the second drying chamber, which can effectively remove the moisture in the wood powder and further ensure the mixing effect; the second dispersing component in the wood powder outlet pipe can be raised and lowered to stir the wood powder, so that the wood powder can be prevented from being blocked and the outlet can be smooth, and the wood powder can also be mixed with the hot air in the wood powder outlet pipe 7, further removing the moisture in the wood powder and ensuring the extrusion molding effect;

[0038] 3. The circulating material lifting component can realize the automatic turnover of qualified PVC particles, so that the PVC particles are exported to the first storage chamber after drying, realizing the automatic loading of PVC particles. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0040] Figure 1 The schematic diagram of the structure of the PVC particle and wood powder mixing equipment of the present invention is shown;

[0041] Figure 2 The schematic diagram of the structure of the crushing component of the present invention is shown;

[0042] Figure 3 A schematic diagram of the structure of the screening component of the present invention is shown;

[0043] Figure 4 The schematic diagram of the structure of the circulating material lifting assembly of the present invention is shown;

[0044] Figure 5 The schematic diagram of the structure of the first material receiving box and the second material receiving box of the present invention is shown;

[0045] Figure 6 It shows a schematic structural diagram of the first floating discharging component of the present invention;

[0046] Figure 7 A schematic diagram of the structure of the second floating discharge component of the present invention is shown;

[0047] Figure 8 It shows a schematic diagram of the structure of the first material receiving box and the second material receiving box arranged in parallel according to the present invention;

[0048] Fig. 9 A schematic diagram of the top view of the drying box of the present invention is shown;

[0049] Fig.10 Shows Fig. 9 A schematic diagram of the enlarged structure at point A;

[0050] Fig.11 The schematic diagram of the structure of the wood powder outlet pipe of the present invention is shown;

[0051] Fig.12 A schematic diagram of the lifting shaft connection structure of the present invention is shown;

[0052] Fig.13 The schematic diagram of the structure of the arc-shaped tooth plate of the present invention is shown;

[0053] Fig.14 A schematic diagram of the structure of the first blocking plate of the present invention is shown;

[0054] As shown in the figure: 1. Drying box, 11. First drying chamber, 111. Constraint sleeve, 112. Fifth tooth plate, 12. Second drying chamber, 121. Main drive shaft, 1211. Hanging plate, 1222. Main drive helical teeth, 122. Inner dispersion plate, 123. Rotating ring, 124. Outer dispersion plate, 2. Crushing components, 21. Crushing box, 22. Crushing tooth roller, 23. Bracket, 24. First driving rod, 25. Return material inclined plate, 26. Vertical fixing rod, 27. First tooth plate , 3, screening components, 31, main tank, 32, transmission shaft, 33, sieve plate, 34, inclined scraper, 35, vibration support seat, 36, first discharge pipe, 37, second discharge pipe, 38, second drive rod, 39, U-shaped frame, 4, first floating discharge component, 41, first floating pipe, 42, first blocking plate, 421, fourth gear, 422, transfer shaft, 423, positioning tube, 43, first baffle, 44, second baffle, 45, second gear plate, 46 , third tooth plate, 47, first vertical pipe, 48, first material guide hose, 49, first spring rod, 5, second floating discharge component, 51, second floating pipe, 52, second blocking plate, 521, fifth gear, 53, third baffle, 54, fourth baffle, 55, fourth tooth plate, 56, second vertical pipe, 57, second material guide hose, 58, second spring rod, 6, circulating material lifting component, 61, circulating conveying vertical plate, 62, positioning frame, 63, first receiving box, 6 31. stirring rod, 632. second gear, 64. first gear, 65. second material receiving box, 66. third gear, 7. wood powder outlet pipe, 71. horizontal fixed rod, 711. third spring rod, 712. driven helical gear, 713. cam, 72. lifting shaft, 721. toggle rod, 722. matching plate, 73. material collecting cover, 8. temporary storage box, 81. first storage chamber, 82. second storage chamber, 83. fixed side rod, 84. arc-shaped tooth plate, 9. mixing tank. DETAILED DESCRIPTION

[0055] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0056] In order to solve the technical problems in the background technology, a PVC particle and wood powder mixing device is provided as follows:

[0057] Combination Figure 1-Figure 14As shown, a PVC particle and wood powder mixing device provided by the present invention comprises a drying box 1, a partition is provided in the middle of the interior thereof, one side of the partition is a first drying chamber 11, and the other side is a second drying chamber 12, the bottom surface of the first drying chamber 11 is provided with interactive holes, the inner side surfaces of the first drying chamber 11 and the second drying chamber 12 are both embedded with heating plates, and the top and bottom of the second drying chamber 12 are both open structures; the first drying chamber 11 is rectangular, the interior of the second drying chamber 12 is circular, and a first dispersing component is provided in the second drying chamber 12;

[0058] A crushing and screening component is arranged at the bottom of one side of the drying box 1. The crushing and screening component includes a crushing component 2 and a screening component 3. The screening component 3 is arranged at the bottom of the crushing component 2. The crushing component 2 is used to crush the PVC raw materials with large particle sizes, and the screening component 3 is used to screen out unqualified PVC particles with large particle sizes.

[0059] A mixing tank 9 is arranged below the drying box 1 and is used to mix the qualified PVC particles with the wood powder;

[0060] The temporary storage box 8 is installed on the top surface of the mixing tank 9. The temporary storage box 8 has a first storage chamber 81 and a second storage chamber 82. The first storage chamber 81 is used to store the dried qualified PVC particles, and the second storage chamber 82 is used to store the dried wood powder. The inner wall of the first storage chamber 81 is provided with a fixed side rod 83, and the top of the fixed side rod 83 is provided with an arc-shaped tooth plate 84.

[0061] A wood powder outlet pipe 7, the top of which is connected to the outlet of the second drying chamber 12, and the bottom of which is connected to the second storage chamber 82. A second dispersing component is arranged inside the wood powder outlet pipe 7, and an electric heating wire is arranged on the inner wall of the wood powder outlet pipe 7;

[0062] The circulating material lifting component 6 is installed between the temporary storage box 8 and the drying box 1. The circulating material lifting component 6 includes a circulating conveying vertical plate 61, a first material receiving component and a second material receiving component. The top of the circulating conveying vertical plate 61 passes through the interactive hole and extends into the first drying chamber 11. The bottom of the circulating conveying vertical plate 61 extends to the top of the first storage chamber 81. The outer wall of the circulating conveying vertical plate 61 is evenly installed with positioning frames 62. Each group of positioning frames 62 is installed with the first material receiving component and the second material receiving component hanging down by their own weight. The circulating material lifting component 6 includes the following states:

[0063] In the first state, the positioning frame 62 moves to the bottom of the screening component 3, the first receiving component receives qualified PVC particles, and the second receiving component receives unqualified PVC particles;

[0064] In the second state, the positioning frame 62 moves to the top of the crushing component 2, and the second receiving component pours out the unqualified PVC particles into the crushing component 2;

[0065] In the third state, the positioning frame 62 moves into the first drying chamber 11, and the first drying chamber 11 dries the qualified PVC particles in the first receiving component;

[0066] In the fourth state, the positioning frame 62 moves to above the first storage chamber 81 , and the first material receiving component pours out the dried qualified PVC particles into the first storage chamber 81 .

[0067] In the above scheme:

[0068] 1. In order to ensure the mixing effect of PVC raw materials, the following scheme is designed:

[0069] 1.1. The crushing component 2 is provided to crush the input PVC particles to obtain PVC particles with smaller particle sizes, which can improve the mixing effect of the subsequent wood powder and PVC particles, and the two are mixed more fully;

[0070] 1.2. The screening component 3 is designed to screen the crushed particles so that qualified particles flow out and unqualified particles are retained;

[0071] 1.3. The design of the circulating material lifting component 6 can simultaneously receive qualified PVC particles and unqualified PVC particles, and lift the unqualified PVC particles to the top of the crushing component 2 for secondary crushing, while the qualified PVC particles will be lifted to the first drying chamber 11. The first drying chamber 11 can be used to heat and remove moisture in the qualified PVC particles, further ensuring the quality of the finished product;

[0072] 2. In order to ensure the mixing effect of wood powder, the following scheme is designed:

[0073] 2.1. A first dispersing component is provided in the second drying chamber 12, and the first dispersing component can disperse the fallen wood powder so that the wood powder is evenly dispersed in the second drying chamber 12. In this way, the wood powder contacts the hot air in the second drying chamber 12, and moisture in the wood powder can be effectively removed, further ensuring the mixing effect;

[0074] 2.2. The second dispersing component in the wood powder outlet pipe 7 can be raised and lowered to stir the wood powder, so as to avoid clogging of the wood powder and ensure smooth outlet. The wood powder can also be mixed with the hot air in the wood powder outlet pipe 7 to further remove moisture from the wood powder and ensure the extrusion molding effect.

[0075] 3. The circulating material feeding component 6 can realize the automatic turnover of qualified PVC particles, so that the PVC particles are guided into the first storage chamber 81 after drying, thereby realizing the automatic feeding of PVC particles.

[0076] In this embodiment, the first material receiving component includes a first material receiving box 63, a laterally distributed stirring rod 631 is installed in the middle of the interior of the first material receiving box 63, and second gears 632 are provided at both ends of the stirring rod 631. The fourth gear 421 is respectively placed at both ends of the first material receiving box 63; the middle part of the first material receiving box 63 is rotatably installed on one side of the positioning frame 62 and a first gear 64 is installed at the rotating connection.

[0077] In the above scheme: the first material receiving box 63 can be used to specifically receive qualified PVC particles, the preset stirring rod 631 can stir the powder when receiving the material, so that the powder is evenly distributed in the first material receiving box 63, and during drying, the stirring rod 631 can stir the powder again, thereby turning the powder in the lower layer to the upper layer, so that the heating is more uniform; in the fourth state, the first gear 64 is in meshing contact with the arc-shaped tooth plate 84, so that as it rotates, the first material receiving box 63 also rotates, and the powder in the first material receiving box 63 can be poured out; a second gear 632 is reserved at the end of the stirring rod 631 to facilitate rotation at different positions.

[0078] In this embodiment, the second material receiving component includes a second material receiving box 65. The middle part of the second material receiving box 65 is rotatably mounted on the other side of the positioning frame 62, and a third gear 66 is installed at the rotation connection.

[0079] In the above solution, the second receiving box 65 can be used to specifically receive unqualified PVC particles, and the third gear 66 can be set to automatically flip and pour out in the second state.

[0080] In this embodiment, the crushing component 2 includes a crushing box 21, and a crushing tooth roller 22 is symmetrically installed inside the crushing box 21. An L-shaped bracket 23 is installed on the side of the crushing box. The inner wall of the top end of the bracket 23 is provided with a horizontally arranged first driving rod 24, and the output end of the first driving rod 24 is provided with an inclined material return inclined plate 25. The return inclined plate 25 is used to guide the unqualified PVC particles poured out by the second material receiving component to the crushing box. A vertical fixing rod 26 is installed on the side of the bracket 23. The vertical fixing rod 26 is in a 7-shape, and the top of the vertical fixing rod 26 is provided with a vertically arranged first tooth plate 27;

[0081] In the second state, the first tooth plate 27 contacts and drives the third gear 66 to rotate, and the second material receiving box 65 rotates to unload the materials.

[0082] In the above scheme: the reserved first tooth plate 27 can be used to drive the lifted third gear 66 to rotate, thereby causing the second material receiving box 65 to rotate to an inclined state, so that the powder can be exported to the crushing box 21 through the return material inclined plate 25. As the second material receiving box 65 rotates, the discharge position of the second material receiving box 65 will change, and the first driving rod 24 can drive the return material inclined plate 25 to move to meet the discharge needs of the second material receiving box 65.

[0083] In this embodiment, the screening component 3 includes a main tank body 31, a transmission shaft 32 is provided in the middle part of the interior of the main tank body 31, a sieve plate 33 is vertically provided at the top of the transmission shaft 32, the sieve plate 33 is located at the inner top of the main tank body 31, and an inclined scraper 34 is provided on the inner wall of the top of the main tank body 31, and the inclined scraper 34 is attached to the surface of the sieve plate 33, and a vibration support seat 35 is installed on the bottom surface of the main tank body 31; a first discharge pipe 36 and a second discharge pipe 37 are installed on the side of the main tank body 31, and the second discharge pipe 37 is located at the lower side of the first discharge pipe 36, the first discharge pipe 36 is connected to the top of the sieve plate 33, and the second discharge pipe 37 is connected to the bottom of the sieve plate 33; a horizontally arranged second drive rod 38 is installed on the bottom surface of the main tank body 31, and the output end of the second drive rod 38 is connected to the U-shaped frame 39.

[0084] In the above scheme: during screening, the vibration support seat 35 can drive the main tank body 31 to vibrate, the transmission shaft 32 drives the screen plate 33 to rotate, large-sized PVC particles are retained above the screen plate 33, and small-sized PVC particles fall below the screening, and the scraper can scrape the material to the first discharge pipe 36.

[0085] In this embodiment, the first floating discharge component 4 includes a first vertical pipe 47, a first floating pipe 41 and a first blocking plate 42. One end of the U-shaped frame 39 is connected to the first vertical pipe 47. The top side wall of the first vertical pipe 47 is connected to the second discharge pipe 37 through a first material guide hose 48. The first floating pipe 41 slides into the first vertical pipe 47. A rotating shaft 422 is provided in the middle of the first blocking plate 42. The rotating shaft 422 is rotatably placed in the first vertical pipe 47. One end of the rotating shaft 422 rotates through a positioning tube 423. The positioning tube 423 is fixed in the first vertical pipe 47. A fourth gear 421 is provided at the outer end of the rotating shaft 422. The rotating shaft 422 is engaged and positioned in the positioning tube 423. The fourth gear 421 is placed on the outer side of the first vertical pipe 47.

[0086] A first baffle plate 43 is provided on one side of the bottom end of the first floating tube 41, and a second baffle plate 44 is provided on the other side. A second tooth plate 45 and a first spring rod 49 are vertically provided on the surface of the first baffle plate 43. A tooth groove is provided on the top of the second tooth plate 45. The second tooth plate 45 is placed on the rear side of the fourth gear 421. The top of the first spring rod 49 is connected to the side wall of the first vertical tube 47. A third tooth plate 46 is vertically slidably penetrated inside the second baffle plate 44, and the top of the third tooth plate 46 is fixedly connected to the first vertical tube 47.

[0087] In the first state, the working steps of the first floating discharging component 4 are:

[0088] The first driving rod 24 drives the first vertical pipe 47 to move above the first material receiving box 63, and the first floating pipe 41 contacts the first material receiving box 63;

[0089] The first material receiving box 63 moves upward against the first floating tube 41, and the second tooth plate 45 moves upward to drive the first blocking plate 42 to rotate and open, and the material in the first vertical tube 47 is discharged into the first material receiving box 63. At the same time, the third tooth plate 46 drives the second gear 632 to rotate, so as to drive the stirring rod 631 to rotate and stir the dispersed material.

[0090] In the above scheme: the design of the first floating tube 41 that can be lifted and lowered can ensure that qualified PVC particles can be normally discharged under the premise that the circulating material lifting component 6 does not stop working; the design of the first blocking plate 42 can horizontally block the first vertical tube 47 when no material is discharged, and no material will be discharged; as the circulating material lifting component 6 works, the first material receiving box 63 resists the first floating tube 41 and is lifted up, so that the first blocking plate 42 can be automatically driven to rotate and open, so that the powder can be directly discharged to realize automatic material discharge, and only the top part of the second tooth plate 45 is designed with tooth grooves, and the second tooth plate 45 can drive the first blocking plate 42 to rotate and open when it moves upward a little distance, and the bottom of the second tooth plate 45 is a flat structure;

[0091] The outer wall of the central shaft 422 is symmetrically provided with clamping heads, and the inner wall of the positioning tube 423 is provided with four groups of cross-distributed clamping grooves. The clamping heads of the central shaft 422 in both the horizontal and vertical states will be engaged with the clamping grooves;

[0092] After the unloading is completed, the U-shaped frame 39 retreats horizontally, driving the entire first vertical pipe 47 to leave the first receiving box 63, the first spring rod 49 drives the first floating pipe 41 to reset downward, the second tooth plate 45 moves downward and drives the first blocking plate 42 to rotate to a horizontal state to block again.

[0093] In this embodiment, the second floating discharge component 5 includes a second vertical pipe 56, a second floating pipe 51 and a second blocking plate 52. The other end of the U-shaped frame 39 is connected to the second vertical pipe 56. The top side wall of the second vertical pipe 56 is connected to the first discharge pipe 36 through a second material guide hose 57. The second floating pipe 51 slides into the second vertical pipe 56. The middle part of the second blocking plate 52 is rotatably placed in the second vertical pipe 56. A fifth gear 521 is provided at one end of the middle part of the second blocking plate 52. The fifth gear 521 is placed on the outside of the second vertical pipe 56. A third baffle 53 is provided on one side of the bottom end of the second floating pipe 51, and a fourth baffle 54 is provided on the other side. A fourth tooth plate 55 and a second spring rod 58 are vertically provided on the surface of the third baffle 53. A tooth groove is provided on the top of the fourth tooth plate 55. The fourth tooth plate 55 is placed on the rear side of the fifth gear 521. The top of the second spring rod 58 is connected to the side wall of the second vertical pipe 56.

[0094] In the first state, the working steps of the second floating discharging component 5 are:

[0095] The second driving rod 38 drives the second vertical pipe 56 to move above the second material receiving box 65, and the second floating pipe 51 contacts the second material receiving box 65;

[0096] The second material receiving box 65 moves upward against the second floating pipe 51 , and the fourth tooth plate 55 moves upward to drive the second blocking plate 52 to rotate and open, and the material in the second vertical pipe 56 is discharged into the second material receiving box 65 .

[0097] In the above scheme:

[0098] The structure of the second blocking plate 52 is the same as that of the first blocking plate 42, and the second blocking plate 52 is locked in place in both the horizontal and vertical states; the first floating tube 41 and the second floating tube 51 move synchronously and have the same operating principle, so that qualified materials and unqualified materials can be received synchronously and separately, and the material receiving efficiency is higher.

[0099] In this embodiment, a vertically arranged restraint sleeve 111 is installed on the inner wall of the first drying chamber 11, and a fifth tooth plate 112 is provided on the inner wall of the restraint sleeve 111. The top and bottom of the restraint sleeve 111 are both open structures; in the third state, when the first material receiving box 63 moves downward, the second gear 632 enters the restraint sleeve 111, and the fifth tooth plate 112 drives the second gear 632 to rotate, so as to drive the stirring rod 631 to rotate and stir the material.

[0100] In the above scheme: the first drying chamber 11 is preset with a restraining sleeve 111 at the material discharge position, so that after the first material receiving box 63 is lifted and heated, the upper layer of powder material has been dried, and then the restraining sleeve 111 drives the stirring rod 631 to stir the material, so that the lower layer of material is turned up to ensure heating uniformity.

[0101] In this embodiment, the first dispersion component includes a main drive shaft 121, an inner dispersion plate 122 and an outer dispersion plate 124. The main drive shaft 121 is rotatably installed at the center of the top surface of the second drying chamber 12. The outer wall of the main drive shaft 121 is connected to the swivel 123 through a hanging plate 1211. The outer wall of the bottom end of the main drive shaft 121 is provided with an annular array of inner dispersion plates 122, and the inner wall of the swivel 123 is provided with an annular array of outer dispersion plates 124. The outer dispersion plate 124 is placed between the two groups of inner dispersion plates 122. The side cross-sections of the inner dispersion plate 122 and the outer dispersion plate 124 are both right-angled triangles.

[0102] In the above scheme: during dispersion, the main driving shaft 121 rotates, thereby driving the inner dispersion plate 122 and the rotating ring 123 to rotate, and the rotating ring 123 drives the outer dispersion plate 124 to rotate, thereby achieving rapid dispersion of the wood powder and avoiding material accumulation.

[0103] In this embodiment, the second dispersing assembly includes a transverse fixed rod 71, a lifting shaft 72, and a stirring rod 631. A material gathering cover 73 is provided at the top of the wood powder outlet pipe 7, and the material gathering cover is connected to the bottom of the second drying chamber 12. A main drive bevel gear 1222 is provided at the bottom end of the main drive shaft 121, and the main drive bevel gear 1222 extends into the wood powder outlet pipe 7. A transverse fixed rod 71 is provided at the top of the wood powder outlet pipe 7. A driven bevel gear 712 is rotatably sleeved on the outer wall of the transverse fixed rod 71. The driven bevel gear 712 is vertically meshed with the main drive bevel gear. A cam 713 is provided on the outer side of the driven bevel gear 712. A third spring rod 711 is vertically provided in the middle of the bottom surface of the transverse fixed rod 71. The bottom end of the third spring rod 711 is connected to the matching plate 722. The cam 713 is in contact with the matching plate 722. A lifting shaft 72 is provided at the bottom end of the matching plate 722, and a plurality of groups of toggle rods 721 are provided on the outer wall of the lifting shaft 72.

[0104] In the above scheme: when the main driving shaft 121 rotates, it will drive the main driving bevel gear 1222 at the bottom to rotate, and the main driving bevel gear 1222 drives the driven bevel gear 712 to rotate. The driven bevel gear 712 rotates while sleeved with the horizontal fixed rod 71, and the driven bevel gear 712 drives the cam 713 to rotate. The cam 713 moves downward against the matching plate 722, and the matching plate 722 drives the lifting shaft 72 and the toggle rod 721 to move up and down, and lengthens the second spring rod 58. When the cam 713 leaves the matching plate 722, the second spring rod 58 drives the lifting shaft 72 to move upward. In this way, the toggle rod 721 can move the wood powder up and down to speed up the discharge speed.

[0105] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0106] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A PVC particle and wood powder mixing device, characterized in that: include: A drying box, wherein a partition is provided in the middle of the interior thereof, one side of the partition is a first drying chamber, and the other side is a second drying chamber, the bottom surface of the first drying chamber is provided with interactive holes, the inner sides of the first drying chamber and the second drying chamber are both embedded with heating plates, and the top and bottom of the second drying chamber are both open structures; the first drying chamber is rectangular, the interior of the second drying chamber is circular, and a first dispersion component is provided in the second drying chamber; A crushing and screening component is arranged at the bottom of one side of the drying box. The crushing and screening component includes a crushing component and a screening component. The screening component is arranged at the bottom of the crushing component. The crushing component is used to crush the PVC raw materials with large particle sizes, and the screening component is used to screen out unqualified PVC particles with large particle sizes. A mixing tank is arranged below the drying box and is used to mix qualified PVC particles with wood powder; A temporary storage box is installed on the top surface of the mixing tank, and a first storage cavity and a second storage cavity are provided inside the temporary storage box. The first storage cavity is used to store the dried qualified PVC particles, and the second storage cavity is used to store the dried wood powder; The inner wall of the first storage cavity is provided with a fixed side rod, and the top end of the fixed side rod is provided with an arc-shaped tooth plate; A wood powder outlet pipe, the top of which is connected to the outlet of the second drying chamber and the bottom of which is connected to the second storage chamber, a second dispersing component is arranged inside the wood powder outlet pipe, and an electric heating wire is arranged on the inner wall of the wood powder outlet pipe; The circulating material lifting assembly is installed between the temporary storage box and the drying box. The circulating material lifting assembly includes a circulating conveying vertical plate, a first material receiving component and a second material receiving component. The top of the circulating conveying vertical plate passes through the interactive hole and extends into the first drying chamber. The bottom of the circulating conveying vertical plate extends to the top of the first storage chamber. The outer wall of the circulating conveying vertical plate is evenly installed with positioning frames. Each group of positioning frames is installed with the first material receiving component and the second material receiving component hanging down by their own weight. The circulating material lifting assembly includes the following states: In the first state, the positioning frame moves to the bottom of the screening component, the first receiving component receives qualified PVC particles, and the second receiving component receives unqualified PVC particles; In the second state, the positioning frame moves to the top of the crushing component, and the second receiving component pours out unqualified PVC particles into the crushing component; In the third state, the positioning frame moves into the first drying chamber, and the first drying chamber dries the qualified PVC particles in the first receiving component; In the fourth state, the positioning frame moves to the top of the first storage chamber, and the first material receiving component pours out the dried qualified PVC particles into the first storage chamber.

2. The PVC particles and wood powder mixing equipment according to claim 1, characterized in that: The first material receiving component includes a first material receiving box, a laterally distributed stirring rod is installed in the middle of the interior of the first material receiving box, second gears are provided at both ends of the stirring rod, and fourth gears are respectively placed at both ends of the first material receiving box; the middle part of the first material receiving box is rotatably installed on one side of the positioning frame and a first gear is installed at the rotating connection.

3. A PVC particle and wood powder mixing device according to claim 2, characterized in that: The second material receiving component comprises a second material receiving box, the middle part of which is rotatably mounted on the other side of the positioning frame and a third gear is mounted at the rotating connection.

4. The PVC particles and wood powder mixing equipment according to claim 3, characterized in that: The crushing component comprises a crushing box, wherein crushing tooth rollers are symmetrically installed inside the crushing box, an L-shaped bracket is installed on the side of the crushing box, a horizontally arranged first driving rod is provided on the inner wall of the top end of the bracket, an inclined material return inclined plate is provided at the output end of the first driving rod, and the material return inclined plate is used to guide the unqualified PVC particles poured out by the second material receiving component to the crushing box, and a vertical fixing rod is installed on the side of the bracket, the vertical fixing rod is in a 7-shaped shape, and a vertically arranged first tooth plate is provided on the top end of the vertical fixing rod; In the second state, the first tooth plate contacts and drives the third gear to rotate, and the second material receiving box rotates to unload the materials.

5. The PVC particles and wood powder mixing device according to claim 4, characterized in that: The screening component includes a main tank body, a transmission shaft is provided in the middle part of the interior of the main tank body, a sieve plate is vertically provided at the top of the transmission shaft, the sieve plate is located at the top of the interior of the main tank body, an inclined scraper is provided on the inner wall of the top of the main tank body, the inclined scraper is attached to the surface of the sieve plate, and a vibration support seat is installed on the bottom of the main tank body; a first discharge pipe and a second discharge pipe are installed on the side of the main tank body, the second discharge pipe is located at the lower side of the first discharge pipe, the first discharge pipe is connected to the top of the sieve plate, and the second discharge pipe is connected to the bottom of the sieve plate; a horizontally arranged second drive rod is installed on the bottom of the main tank body, and the output end of the second drive rod is connected to the U-shaped frame.

6. The PVC particles and wood powder mixing equipment according to claim 5, characterized in that: The first floating discharge component includes a first vertical pipe, a first floating pipe and a first blocking plate. One end of the U-shaped frame is connected to the first vertical pipe. The top side wall of the first vertical pipe is connected to the second discharge pipe through a first material guide hose. The first floating pipe slides into the first vertical pipe. A transfer shaft is provided in the middle of the first blocking plate. The transfer shaft is rotatably placed in the first vertical pipe. One end of the transfer shaft rotates and penetrates the positioning pipe. The positioning pipe is fixed in the first vertical pipe. A fourth gear is provided at the outer end of the transfer shaft. The transfer shaft is engaged and positioned in the positioning pipe. The fourth gear is placed on the outer side of the first vertical pipe. A first baffle is provided on one side of the bottom end of the first floating tube, and a second baffle is provided on the other side. A second tooth plate and a first spring rod are vertically provided on the surface of the first baffle. A tooth groove is provided on the top of the second tooth plate. The second tooth plate is placed on the rear side of the fourth gear. The top end of the first spring rod is connected to the side wall of the first vertical tube. A third tooth plate is vertically slidably penetrated inside the second baffle, and the top end of the third tooth plate is fixedly connected to the first vertical tube. In the first state, the working steps of the first floating discharging component are: The first driving rod drives the first vertical pipe to move above the first material receiving box, and the first floating pipe contacts the first material receiving box; The first material receiving box moves upward against the first floating tube, and the second tooth plate moves upward to drive the first sealing plate to rotate and open, and the material in the first vertical tube is discharged into the first material receiving box. At the same time, the third tooth plate drives the second gear to rotate to drive the stirring rod to rotate and stir the dispersed material.

7. The PVC particles and wood powder mixing device according to claim 6, characterized in that: The second floating discharge component comprises a second vertical pipe, a second floating pipe and a second blocking plate, the other end of the U-shaped frame is connected to the second vertical pipe, the top side wall of the second vertical pipe is connected to the first discharge pipe through a second material guide hose, the second floating pipe slides and extends into the second vertical pipe, the middle part of the second blocking plate is rotatably placed in the second vertical pipe, a fifth gear is provided at one end of the middle part of the second blocking plate, and the fifth gear is placed on the outside of the second vertical pipe; a third baffle is provided on one side of the bottom end of the second floating pipe, and a fourth baffle is provided on the other side, a fourth tooth plate and a second spring rod are vertically provided on the surface of the third baffle, a tooth groove is provided on the top of the fourth tooth plate, the fourth tooth plate is placed on the rear side of the fifth gear, and the top end of the second spring rod is connected to the side wall of the second vertical pipe; In the first state, the working steps of the second floating discharge component are: The second driving rod drives the second vertical pipe to move above the second material receiving box, and the second floating pipe contacts the second material receiving box; The second material receiving box moves upward against the second floating pipe, and the fourth tooth plate moves upward to drive the second blocking plate to rotate and open, and the material in the second vertical pipe is discharged into the second material receiving box.

8. The PVC particles and wood powder mixing device according to claim 7, characterized in that: A vertically arranged constraint sleeve is installed on the inner wall of the first drying chamber, and a fifth tooth plate is provided on the inner wall of the constraint sleeve. The top and bottom of the constraint sleeve are both open structures; in the third state, when the first material receiving box moves downward, the second gear enters the constraint sleeve, and the fifth tooth plate drives the second gear to rotate, so as to drive the stirring rod to rotate and stir the material.

9. The PVC particles and wood powder mixing device according to claim 8, characterized in that: The first dispersion component includes a main drive shaft, an inner dispersion plate and an outer dispersion plate. The main drive shaft is rotatably installed at the center of the top surface of the second drying chamber. The outer wall of the main drive shaft is connected to the swivel through a hanging plate. The outer wall of the bottom end of the main drive shaft is provided with an inner dispersion plate in a circular array. The inner wall of the swivel is provided with an outer dispersion plate distributed in a circular array. The outer dispersion plate is placed between the two groups of inner dispersion plates. The side cross-sections of the inner dispersion plate and the outer dispersion plate are both right-angled triangles.

10. The PVC particles and wood powder mixing device according to claim 9, characterized in that: The second dispersing assembly comprises a transverse fixed rod, a lifting shaft, and a stirring rod. A material collecting cover is provided at the top of the wood powder outlet pipe, and the material collecting cover is connected to the bottom of the second drying chamber. A main drive bevel gear is provided at the bottom end of the main drive shaft, and the main drive bevel gear extends into the wood powder outlet pipe. A transverse fixed rod is provided at the top of the inside of the wood powder outlet pipe. A driven bevel gear is rotatably sleeved on the outer wall of the transverse fixed rod. The driven bevel gear is vertically meshed with the main drive bevel gear. A cam is provided on the outer side of the driven bevel gear. A third spring rod is vertically provided at the middle of the bottom surface of the transverse fixed rod. The bottom end of the third spring rod is connected to the matching plate. The cam is in matching contact with the matching plate. A lifting shaft is provided at the bottom end of the matching plate, and a plurality of toggle rods are provided on the outer wall of the lifting shaft.

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