Molding powder production mixer

Abstract

The utility model discloses a molding powder production mixer which comprises a mixing device main body, the upper side wall of the mixing device main body is detachably connected with a sealing cover, the lower side wall of the mixing device main body is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a rotating shaft, and the rotating shaft is fixedly connected with a motor. A middle stirring blade is fixedly connected to the upper end of the rotating shaft, a side stirring blade is fixedly connected to the outer side wall of the rotating shaft, and a fixing rod is fixedly connected to the lower side wall of the sealing cover; a pressure valve is arranged in the mixing device main body, and an air outlet pipe is fixedly connected to the outer side wall of the pressure valve. According to the material mixing device disclosed by the utility model, the pressure valve is arranged, so that gas in the material mixing cavity can be effectively discharged, the gas pressure in the material mixing device main body is effectively reduced, and the safety of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic powder, in particular to a plastic powder production mixer. Background Art

[0002] Plastic powder is a thermosetting powder coating for electrostatic spraying. In actual production, this raw material requires multiple raw materials to be crushed and injected, and then evenly stirred. Therefore, in actual production, plastic powder is generally processed using a mixer.

[0003] When most mixers on the market process this type of plastic powder, the air pressure and dust concentration inside the mixer will increase significantly, posing a risk of explosion. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art, and provides a plastic powder production mixer, which is provided with a pressure valve and an air outlet pipe. In the process of mixing the plastic powder by the mixing device body, the air pressure in the inner cavity of the mixing device body will be effectively increased, thereby pushing the sliding piston to move to the side of the air outlet hole, so that the solid-gas mixed gas flow enters the air outlet pipe through the air outlet hole of the pressure valve, effectively reducing the air pressure inside the mixing device body, and the discharged plastic powder is accumulated in the air outlet U-shaped pipe, which is convenient for recovery;

[0005] The device is provided with a middle stirring blade, a side stirring blade and a fixed rod. The driving motor can drive the middle stirring blade and the side stirring blade to rotate through the rotating shaft. The middle stirring blade and the side stirring blade cooperate with the fixed rod during rotation, which can effectively speed up the mixing speed between the plastic powders and improve the production efficiency of the plastic powder.

[0006] The utility model also provides a plastic powder production mixer, comprising: a mixing device body, the upper side wall of the mixing device body is detachably connected to a sealing cover, the lower side wall of the mixing device body is fixedly connected to a driving motor, the output end of the driving motor is fixedly connected to a rotating shaft, the upper end of the rotating shaft is fixedly connected to a middle stirring blade, the outer side wall of the rotating shaft is fixedly connected to a side stirring blade, and the lower side wall of the sealing cover is fixedly connected to a fixing rod;

[0007] A pressure valve is arranged inside the mixing device body, an outer wall of the pressure valve is fixedly connected with an air outlet pipe, an outer end of the air outlet pipe is detachably connected with an air outlet U-shaped pipe, an inner wall of the pressure valve is slidably connected with a sliding piston, and a return spring is fixedly connected between the sliding piston and the inner wall of the pressure valve.

[0008] According to the plastic powder production mixer, the fixed rod is arranged between the middle stirring blade and the side stirring blade, which can effectively prevent the stirring blade from contacting the fixed rod during the rotation process.

[0009] According to the plastic powder production mixer, the outer side walls of the fixed rod, the middle stirring blade and the side stirring blade are all fixedly connected with matching rods.

[0010] According to the plastic powder production mixer, the outer side wall of the mixing device body is fixedly connected with a matching flange, the outer side wall of the mixing device body is provided with a support sleeve directly below the matching flange, and the outer side wall of the support sleeve is fixedly connected with a support leg.

[0011] According to the plastic powder production mixer, the outer side wall of the pressure valve is provided with a plurality of air outlet holes, and the inner side wall of the pressure valve is fixedly connected to a limiting ring, which can effectively limit the sliding piston.

[0012] According to the plastic powder production mixer, a handle is fixedly connected to the upper side wall of the sealing cover, and a sealing gasket is provided between the sealing cover and the mixing device body to improve the sealing effect between the mixing device body and the sealing cover.

[0013] According to the plastic powder production mixer, the side stirring blades are in contact with the inner side wall of the mixing device body, and the side stirring blades can scrape the inner side wall of the mixing device body.

[0014] According to the plastic powder production mixer, the mixing device body cooperates with the sealing cover.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a structural schematic diagram of a plastic powder production mixer according to the utility model;

[0018] Figure 2 This is an internal schematic diagram of a plastic powder production mixer according to the utility model;

[0019] Figure 3 It is a top view schematic diagram of a plastic powder production mixer of the utility model;

[0020] Figure 4 This is a schematic diagram of the interior of a pressure valve of a plastic powder production mixer according to the utility model.

[0021] Legend:

[0022] 1. Mixing device body; 101. Matching flange; 2. Sealing cover; 201. Handle; 202. Sealing gasket; 203. Fixing rod; 3. Air outlet pipe; 301. Air outlet U-shaped pipe; 4. Support sleeve; 401. Support leg; 5. Driving motor; 501. Rotating shaft; 502. Middle stirring blade; 503. Side stirring blade; 6. Pressure valve; 601. Return spring; 602. Sliding piston; 603. Air outlet hole; 604. Limiting ring. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] Reference Figure 1-4 The utility model embodiment is a plastic powder production mixer, which includes: a mixing device body 1, the upper side wall of the mixing device body 1 is detachably connected with a sealing cover 2, the outer side wall of the mixing device body 1 is fixedly connected with a matching flange 101, the outer side wall of the mixing device body 1 and the supporting sleeve 4 is arranged on the lower side of the matching flange 101, the outer side wall of the supporting sleeve 4 is fixedly connected with a supporting leg 401, the upper side wall of the sealing cover 2 is fixedly connected with a handle 201, and a sealing gasket 202 is arranged between the sealing cover 2 and the mixing device body 1 to improve the sealing effect between the mixing device body 1 and the sealing cover 2, and the mixing device body 1 and the sealing cover 2 cooperate.

[0026] The lower side wall of the mixing device body 1 is fixedly connected to a driving motor 5, the output end of the driving motor 5 is fixedly connected to a rotating shaft 501, the upper end of the rotating shaft 501 is fixedly connected to an intermediate stirring blade 502, the outer side wall of the rotating shaft 501 is fixedly connected to a side stirring blade 503, the lower side wall of the sealing cover 2 is fixedly connected to a fixing rod 203, the fixing rod 203 is arranged between the intermediate stirring blade 502 and the side stirring blade 503, which can effectively prevent the stirring blade from contacting the fixing rod 203 during rotation, the outer side walls of the fixing rod 203, the intermediate stirring blade 502 and the side stirring blade 503 are fixedly connected to a matching rod, the side stirring blade 503 is in contact with the inner side wall of the mixing device body 1, and the side stirring blade 503 can scrape the inner side wall of the mixing device body 1.

[0027] A pressure valve 6 is arranged inside the mixing device body 1, and the outer wall of the pressure valve 6 is fixedly connected to the air outlet pipe 3, and the outer end of the air outlet pipe 3 is detachably connected to the air outlet U-shaped tube 301, and the inner wall of the pressure valve 6 is slidably connected to the sliding piston 602, and a return spring 601 is fixedly connected between the sliding piston 602 and the inner wall of the pressure valve 6, and a plurality of air outlet holes 603 are arranged on the outer wall of the pressure valve 6, and the inner wall of the pressure valve 6 is fixedly connected to a limiting ring 604, which can effectively limit the sliding piston 602.

[0028] The electrical components appearing in this article are all electrically connected to an external main controller, and the main controller can be a conventional known device for control such as a computer, and the electrical components appearing in this article are all electrically connected to an external power supply.

[0029] Working principle: When mixing plastic powder, first, pour all the plastic powder to be mixed into the mixing device body 1, cover it with the sealing cover 2, and then start the driving motor 5. The driving motor 5 can drive the middle stirring blade 502 and the side stirring blade 503 to rotate through the rotating shaft 501. The middle stirring blade 502 and the side stirring blade 503 cooperate with the fixed rod 203 during rotation, which can effectively speed up the mixing speed between the plastic powders and improve the production efficiency of the plastic powder. In the process of mixing the plastic powder by the mixing device body 1, the air pressure in the inner cavity of the mixing device body 1 will be effectively increased, thereby pushing the sliding piston 602 to move to the side of the air outlet 603, so that the solid-gas mixed gas flow enters the air outlet pipe 3 through the air outlet 603 of the pressure valve 6, and the discharged plastic powder is accumulated in the air outlet U-shaped tube 301 for easy recovery.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A plastic powder production mixer, characterized in that: include: A mixing device body (1), wherein the upper side wall of the mixing device body (1) is detachably connected to a sealing cover (2), the lower side wall of the mixing device body (1) is fixedly connected to a driving motor (5), the output end of the driving motor (5) is fixedly connected to a rotating shaft (501), the upper end of the rotating shaft (501) is fixedly connected to a middle stirring blade (502), the outer side wall of the rotating shaft (501) is fixedly connected to a side stirring blade (503), and the lower side wall of the sealing cover (2) is fixedly connected to a fixing rod (203); A pressure valve (6) is arranged inside the mixing device body (1); an outer wall of the pressure valve (6) is fixedly connected to an air outlet pipe (3); an outer end of the air outlet pipe (3) is detachably connected to an air outlet U-shaped pipe (301); an inner wall of the pressure valve (6) is slidably connected to a sliding piston (602); a return spring (601) is fixedly connected between the sliding piston (602) and the inner wall of the pressure valve (6).

2. A plastic powder production mixer according to claim 1, characterized in that: The fixing rod (203) is arranged between the middle stirring blade (502) and the side stirring blade (503).

3. A plastic powder production mixer according to claim 1, characterized in that: The outer side walls of the fixed rod (203), the middle stirring blade (502) and the side stirring blade (503) are all fixedly connected with matching rods.

4. A plastic powder production mixer according to claim 1, characterized in that: The outer wall of the mixing device body (1) is fixedly connected to a matching flange (101), and a support sleeve (4) is provided on the outer wall of the mixing device body (1) and directly below the matching flange (101), and the outer wall of the support sleeve (4) is fixedly connected to a support leg (401).

5. A plastic powder production mixer according to claim 1, characterized in that: The outer side wall of the pressure valve (6) is provided with a plurality of air outlet holes (603), and the inner side wall of the pressure valve (6) is fixedly connected to a limit ring (604).

6. A plastic powder production mixer according to claim 1, characterized in that: A handle (201) is fixedly connected to the upper side wall of the sealing cover (2), and a sealing gasket (202) is provided between the sealing cover (2) and the mixing device body (1).

7. A plastic powder production mixer according to claim 1, characterized in that: The side stirring blade (503) is in contact with the inner wall of the mixing device body (1).

8. A plastic powder production mixer according to claim 1, characterized in that: The material mixing device body (1) is matched with the sealing cover (2).

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