Molding powder extruder for molding powder production

Abstract

The utility model discloses a molding powder extruder for molding powder production, and relates to the technical field of molding powder extrusion. The device comprises a plurality of supporting columns, the tops of the supporting columns are fixedly connected with a placing plate, the device further comprises a preheating mechanism, the preheating mechanism comprises a fixing column fixedly connected to the top of the placing plate, the end, away from the placing plate, of the fixing column is fixedly connected with a fixing table, and the side, away from the placing plate, of the fixing table is fixedly connected with a stirring tank; the outer wall of the stirring tank is fixedly connected with a preheating plate. The cover plate is opened through the handle, materials are added into the stirring tank, the preheating plate and the first motor are turned on, the first motor drives the rotating rod to rotate, the rotating rod drives the stirring rod to rotate, the stirring rod rotates to stir and mix the materials in the stirring tank, and meanwhile the preheating plate heats the interior of the stirring tank. And therefore, the materials in the stirring tank are preheated when the materials are mixed, the melting time is shortened, and the efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of plastic powder extruders, in particular to a plastic powder extruder for plastic powder production. Background Art

[0002] Plastic powder extruder is a device used to produce plastic powder. Plastic powder extruder can heat the mixed material, mix the heated plastic into the mixed material, and then extrude the liquid plastic through the screw extrusion mechanism. The extruded new plastic is a plastic made of mixed materials.

[0003] In the Chinese utility model patent with announcement number CN202222504681.8, the utility model discloses an extruder for producing plastic powder, including a base, an extrusion barrel is fixedly installed at one end of the upper part of the base, a fixed seat is fixedly installed above the base and at one end of the extrusion barrel, a feeding hopper is fixedly installed on the top of the fixed seat, the lower end outlet of the feeding hopper passes through the fixed seat, and one end of the extrusion barrel is connected, by arranging the feeding hopper on the fixed seat, and fixing the mixing box on the top of the feeding hopper by using a support column, and installing a servo motor on the outside of the mixing box, and installing a stirring paddle inside the mixing box, so that the mixing box is used to stir and mix the materials transported to the inside of the mixing box, and an electromagnetic control valve is installed at the bottom of the mixing box and connected to the feeding hopper, so that the materials stirred and mixed in the mixing box are transported to the feeding hopper in a timely and quantitative manner through the electromagnetic control valve, and then transported to the inside of the extrusion barrel by the feeding hopper, so as to ensure the full mixing of the materials processed by the plastic;

[0004] With respect to the above-mentioned related technologies, the inventor of the utility model believes that the following defects exist: although the device can fully mix the materials through the stirring paddle, it is not preheated during melting, which will result in a relatively long fusion time of the materials and low working efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a plastic powder extruder for plastic powder production. By adding a preheating plate on the outer wall of the stirring tank, the material can be preheated during the mixing process to solve the problem that when the material is not preheated during melting, it will cause a long fusion time and low work efficiency.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a plastic powder extruder for plastic powder production, comprising a plurality of support columns, the tops of the support columns are fixedly connected with a placement plate, and also comprises: a preheating mechanism, the preheating mechanism comprises a fixed column fixedly connected to the top of the placement plate, the end of the fixed column away from the placement plate is fixedly connected with a fixed platform, the side of the fixed platform away from the placement plate is fixedly connected with a stirring tank, the outer wall of the stirring tank is fixedly connected with the preheating plate, and the top of the stirring tank is contacted with a cover plate, so that the material can be fully preheated by the preheating plate during the stirring process.

[0008] Furthermore, a handle is fixedly connected to the side of the cover away from the stirring tank, a hinge is fixedly connected to the top of the cover, the right end of the hinge is fixedly connected to the top of the stirring tank, a discharge port is provided at the bottom of the stirring tank, the end of the discharge port away from the stirring tank passes through the bottom wall of the fixed platform and extends, and a solenoid valve is provided on the discharge pipe. This arrangement is to close the material tank through the cover to prevent temperature loss in the stirring tank.

[0009] Furthermore, a stirring mechanism is provided inside the stirring tank, and the stirring mechanism includes a first motor fixedly connected to the top of the stirring tank, and the output end of the first motor passes through the top wall of the stirring tank and extends to the inner wall. This arrangement is to drive the stirring rod to rotate by the first motor.

[0010] Furthermore, a rotating rod is fixedly connected to the output end of the first motor, two fixed frames are fixedly connected to the outer wall of the rotating rod, two scrapers are fixedly connected to the side of the two fixed frames close to each other, and a plurality of stirring rods are fixedly connected to the outer wall of the rotating rod. This arrangement is to drive the fixed frame to rotate through the rotating rod, and the fixed frame drives the scraper to rotate, thereby cleaning the inner wall of the stirring tank.

[0011] Furthermore, a feeding mechanism is provided on the top of the placement plate, and the feeding mechanism includes a second motor fixedly connected to the top of the placement plate, a screw rod is fixedly connected to the output end of the second motor, and a feeding pipe is rotatably connected to the outer wall of the screw rod. This arrangement is to drive the screw rod to rotate by the second motor, thereby extruding the material.

[0012] Furthermore, a heating plate is fixedly connected to the outer wall of the feeding pipe, a check valve is fixedly connected to the end of the spiral rod away from the second motor, and a filling port is connected to the end of the feeding pipe away from the second motor. This arrangement prevents the molten material from flowing back through the check valve.

[0013] Furthermore, the fixed frame is symmetrically arranged with the rotating rod as the center, the scraper contacts the inner wall of the stirring tank, the scraper is symmetrically distributed with the rotating rod as the center, and the stirring rod is located between the two fixed frames. This arrangement is to facilitate the rotation of the stirring rod.

[0014] The utility model has the following beneficial effects:

[0015] 1. The plastic powder extruder used for the production of plastic powder opens the cover plate through the handle, adds the material into the stirring tank, turns on the preheating plate and the first motor, the first motor drives the rotating rod to rotate, the rotating rod drives the stirring rod to rotate, the stirring rod rotates to stir and mix the material inside the stirring tank, and at the same time, the preheating plate heats the inside of the stirring tank, thereby preheating the material inside the stirring tank when the material is mixed, thereby reducing the melting time and improving efficiency.

[0016] 2. When the plastic powder extruder used in plastic powder production rotates, the fixed frame will also be driven to rotate when the rotating rod rotates, and the fixed frame will drive the scraper to rotate, thereby preventing some materials from melting and adhering to the inner wall of the mixing tank during preheating, corroding the mixing tank for a long time, and preventing the residual materials from affecting the quality of the plastic powder when the plastic powder is manufactured next time.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

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

[0020] Figure 2 This is a schematic diagram of the preheating mechanism structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of the stirring tank of the utility model;

[0022] Figure 4 It is a schematic diagram of the feeding mechanism structure of the utility model.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Support column; 11. Placement plate; 2. Preheating mechanism; 201. Fixed column; 202. Fixed table; 203. Mixing tank; 204. Preheating plate; 205. Cover plate; 206. Connector; 207. Hinge; 208. Discharge port; 3. Stirring mechanism; 301. First motor; 302. Rotating rod; 303. Fixed frame; 304. Scraper; 305. Stirring rod; 4. Feeding mechanism; 401. Second motor; 402. Screw rod; 403. Feeding pipe; 404. Heating plate; 405. Check valve; 406. Filling port. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-4 As shown, the utility model is a plastic powder extruder for plastic powder production, comprising a plurality of support columns 1, a placement plate 11 is fixedly connected to the top of the support column 1, and also includes:

[0027] The preheating mechanism 2 includes a fixed column 201 fixedly connected to the top of the placement plate 11, the fixed column 201 is fixedly connected to a fixed platform 202 at one end away from the placement plate 11, the fixed platform 202 is fixedly connected to a stirring tank 203 at one side away from the placement plate 11, the outer wall of the stirring tank 203 is fixedly connected to a preheating plate 204, and the top of the stirring tank 203 is contacted with a cover plate 205.

[0028] Among them, a handle 206 is fixedly connected to the side of the cover 205 away from the stirring tank 203, a hinge 207 is fixedly connected to the top of the cover 205, the right end of the hinge 207 is fixedly connected to the top of the stirring tank 203, and a discharge port 208 is provided at the bottom of the stirring tank 203. The end of the discharge port 208 away from the stirring tank 203 passes through the bottom wall of the fixed platform 202 and extends, and a solenoid valve is provided on the discharge pipe 208.

[0029] A stirring mechanism 3 is arranged inside the stirring tank 203 . The stirring mechanism 3 includes a first motor 301 fixedly connected to the top of the stirring tank 203 . The output end of the first motor 301 penetrates the top wall of the stirring tank 203 and extends to the inner wall.

[0030] The output end of the first motor 301 is fixedly connected to a rotating rod 302 , the outer wall of the rotating rod 302 is fixedly connected to two fixing frames 303 , two scrapers 304 are fixedly connected to the side of the two fixing frames 303 close to each other, and the outer wall of the rotating rod 302 is fixedly connected to a plurality of stirring rods 305 .

[0031] A feeding mechanism 4 is provided on the top of the placement plate 11. The feeding mechanism 4 includes a second motor 401 fixedly connected to the top of the placement plate 11. A screw rod 402 is fixedly connected to the output end of the second motor 401. A feeding tube 403 is rotatably connected to the outer wall of the screw rod 402.

[0032] The outer wall of the feeding pipe 403 is fixedly connected with a heating plate 404 , one end of the screw rod 402 away from the second motor 401 is fixedly connected with a check valve 405 , and one end of the feeding pipe 403 away from the second motor 401 is connected with a filling port 406 .

[0033] The fixed frame 303 is symmetrically arranged with the rotating rod 302 as the center, the scraper 304 is in contact with the inner wall of the stirring tank 203 , the scraper 304 is symmetrically distributed with the rotating rod 302 as the center, and the stirring rod 305 is located between the two fixed frames 303 .

[0034] A specific application of this embodiment is: close the solenoid valve, open the cover plate 205 through the handle 206, add the material into the stirring tank 203, turn on the preheating plate 204 and the first motor 301, and at the same time, the first motor 301 will drive the rotating rod 302 to rotate, and the rotating rod 302 will drive the stirring rod 305 to rotate. The stirring rod 305 rotates to stir and mix the materials in the stirring tank 203. At the same time, the preheating plate 204 will heat the inside of the stirring tank 203, so that the materials in the stirring tank 203 are preheated when the materials are mixed, thereby reducing the melting time and improving the efficiency. When the rotating rod 302 rotates, it will also drive the fixed frame 303 to rotate, and the fixed frame 30 3 drives the scraper 304 to rotate, thereby preventing some materials from melting and adhering to the inner wall of the stirring tank 203 during preheating, corroding the stirring tank 203 for a long time, and preventing the residual materials from affecting the quality of the plastic powder when the plastic powder is manufactured next time. After the stirring and preheating are completed, the solenoid valve is opened, and the material will enter the feeding pipe 403 through the discharge port 208, and the second motor 401 and the heating plate 404 are started. The second motor 401 will drive the screw rod 402 to rotate and transport the material to the right. At the same time, the heating plate 404 heats the inside of the feeding pipe 403 to melt the material, and the molten material will go out through the check valve filling port 406, and the check valve 405 will prevent the molten material from flowing back.

[0035] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A plastic powder extruder for plastic powder production, comprising a plurality of support columns (1), wherein a placement plate (11) is fixedly connected to the top of the support column (1), characterized in that: Also includes: A preheating mechanism (2), the preheating mechanism (2) comprising a fixing column (201) fixedly connected to the top of a placement plate (11), the fixing column (201) being fixedly connected to a fixing platform (202) at one end away from the placement plate (11), the fixing platform (202) being fixedly connected to a stirring tank (203) at one side away from the placement plate (11), the outer wall of the stirring tank (203) being fixedly connected to a preheating plate (204), and the top of the stirring tank (203) being contact-disposed with a cover plate (205); A handle (206) is fixedly connected to the side of the cover plate (205) away from the stirring tank (203), a hinge (207) is fixedly connected to the top of the cover plate (205), the right end of the hinge (207) is fixedly connected to the top of the stirring tank (203), a discharge pipe (208) is provided at the bottom of the stirring tank (203), one end of the discharge pipe (208) away from the stirring tank (203) passes through the bottom wall of the fixed platform (202) and extends, and a solenoid valve is provided on the discharge pipe (208).

2. A plastic powder extruder for plastic powder production according to claim 1, characterized in that: A stirring mechanism (3) is arranged inside the stirring tank (203), and the stirring mechanism (3) comprises a first motor (301) fixedly connected to the top of the stirring tank (203), and an output end of the first motor (301) passes through the top wall of the stirring tank (203) and extends to the inner wall.

3. A plastic powder extruder for plastic powder production according to claim 2, characterized in that: The output end of the first motor (301) is fixedly connected to a rotating rod (302), the outer wall of the rotating rod (302) is fixedly connected to two fixing frames (303), two scrapers (304) are fixedly connected to the sides of the two fixing frames (303) close to each other, and the outer wall of the rotating rod (302) is fixedly connected to a plurality of stirring rods (305).

4. A plastic powder extruder for plastic powder production according to claim 1, characterized in that: A feeding mechanism (4) is arranged on the top of the placement plate (11), and the feeding mechanism (4) comprises a second motor (401) fixedly connected to the top of the placement plate (11), a screw rod (402) being fixedly connected to the output end of the second motor (401), and a feeding pipe (403) being rotatably connected to the outer wall of the screw rod (402).

5. A plastic powder extruder for plastic powder production according to claim 4, characterized in that: The outer wall of the feeding pipe (403) is fixedly connected to a heating plate (404), one end of the spiral rod (402) away from the second motor (401) is fixedly connected to a check valve (405), and one end of the feeding pipe (403) away from the second motor (401) is connected to a filling port (406).

6. A plastic powder extruder for plastic powder production according to claim 3, characterized in that: The fixed frame (303) is symmetrically arranged with the rotating rod (302) as the center, the scraper (304) contacts the inner wall of the stirring tank (203), the scraper (304) is symmetrically distributed with the rotating rod (302) as the center, and the stirring rod (305) is located between the two fixed frames (303).

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