CN218131525U

CN218131525U - Powder coating mixes machine

Info

Publication number: CN218131525U
Application number: CN202222093329.XU
Authority: CN
Inventors: 孙华强
Original assignee: Guangdong Huacai Powder Technology Co ltd
Current assignee: Guangdong Huacai Powder Technology Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2022-12-27
Anticipated expiration: 2032-08-10

Abstract

The utility model provides a powder coating is with mixing machine relates to powder coating processing technology field, include: mounting a base plate and an auxiliary part; the rear part of the top end surface of the mounting bottom plate is fixedly provided with a mounting seat; the top end surface of the mounting seat is fixedly provided with a mixing barrel; a fixed seat is fixedly connected in the middle of the rear part of the top end surface of the mixing barrel; the front end surface of the top end surface of the mixing barrel is symmetrically and fixedly connected with two first fixing plates; a cooling pipe is fixedly arranged in the middle of the top end surface of the mounting base plate; the cooling pipe is aligned with the installation seat; the fixed seat is rotationally connected with an installation block; the front end face of the mounting block is fixedly connected with a sealing cover. Start-up second driving motor and make the support pivot drive auxiliary frame and rotate auxiliary frame pivoted in-process and can drive and grind the ball and can grind the large granule powder coating that screens down on the grinding backing plate, solved the in-process large granule powder coating that mixes and be difficult to quick abundant problem of mixing.

Description

Powder coating mixes machine

Technical Field

The utility model relates to a powder coating processing technology field, in particular to powder coating is with mixing machine.

Background

The powder coating is a solid powder synthetic resin coating composed of solid resin, pigment, filler, auxiliary agent and the like, and the powder coating needs to be mixed in the using process of the powder coating, so workers usually use a mixer to mix the powder coating in order to ensure the normal use of the powder coating.

However, in the conventional mixing machine, it is difficult to sufficiently and quickly mix the large-particle powder coating during the mixing process, which easily causes the large-particle powder coating to remain after the mixing process, and wastes resources.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a powder coating is with mixing machine, it has the grinding ball that can grind large granule powder coating, filter powder coating through grinding backing plate and sieve mesh at the in-process of feeding, leave the powder coating of large granule on grinding the backing plate, then start second driving motor and make the support pivot drive the auxiliary frame and rotate, the auxiliary frame pivoted in-process can drive the grinding ball and can grind the large granule powder coating who screens off on the grinding backing plate, powder coating after the grinding falls into the blending tank via the sieve mesh in, powder coating's mixture is more evenly avoided producing extravagantly.

The utility model provides a powder coating is with mixing machine specifically includes: mounting a base plate and an auxiliary part; the rear part of the top end surface of the mounting base plate is fixedly provided with a mounting seat; the top end face of the mounting seat is fixedly provided with a mixing barrel; a fixed seat is fixedly connected in the middle of the rear part of the top end surface of the mixing barrel; the front end surface of the top end surface of the mixing barrel is symmetrically and fixedly connected with two first fixing plates; a cooling pipe is fixedly arranged in the middle of the top end surface of the mounting bottom plate; the cooling pipe is aligned with the installation seat; the auxiliary part consists of an installation block, a second fixing plate, a sealing cover, a feed hopper, a second driving motor, an auxiliary handle, a limiting block, a limiting frame, a supporting rotating shaft, an auxiliary frame, grinding balls, a grinding base plate and sieve meshes; the fixed seat is rotatably connected with a mounting block; the front end surface of the mounting block is fixedly connected with a sealing cover; the front end surface of the sealing cover is symmetrically and fixedly connected with two second fixing plates; the second fixing plate is aligned with the first fixing plate; a fastening bolt is respectively connected between the two second fixing plates and the two first fixing plates in a threaded manner; the front end surface of the sealing cover is fixedly connected with an auxiliary handle; the top end surface of the sealing cover is symmetrically and fixedly connected with two feed hoppers.

Optionally, a first driving motor is fixedly mounted at the front part of the bottom end surface of the mounting bottom plate; the top end face of the first driving motor is coaxially connected with an auxiliary rotating shaft; a driving belt wheel is fixedly connected to the outer wall of the auxiliary rotating shaft; a stirring rotating shaft is arranged on the bottom end face of the bottom plate; the outer wall of the stirring rotating shaft is fixedly connected with a driven belt wheel; the driven belt wheel is coaxially connected with the driving belt wheel through a transmission belt; the upper part of the outer wall of the stirring rotating shaft is symmetrically and fixedly connected with two stirring paddles; the outer walls of the two stirring paddles are contacted with the inner wall of the mixing barrel.

Optionally, four limiting blocks are fixedly connected to the inner wall of the sealing cover in an annular array shape; four limiting frames are inserted on the top end faces of the four limiting blocks; the bottom end surfaces of the four limiting frames are welded with grinding base plates; the top surface of the grinding backing plate is in an annular array shape and is penetrated with a sieve mesh.

Optionally, a second driving motor is fixedly installed in the center of the top end face of the sealing cover; the bottom end surface of the second driving motor is coaxially connected with a supporting rotating shaft; the bottom end surface of the outer wall of the supporting rotating shaft is fixedly connected with four auxiliary frames in an annular array shape; the bottom end surfaces of the four auxiliary frames are rotatably connected with grinding balls; the outer wall of the grinding ball is in contact with the top end face of the grinding backing plate.

Optionally, the bottom end surface of the mounting bottom plate is fixedly connected with four fixing rods in a rectangular array shape; the bottom end surfaces of the four fixed rods are provided with buffer grooves in the middle; a supporting seat is connected in each of the four buffer grooves in a sliding manner; the top end surfaces of the four supporting seats are symmetrically and fixedly connected with a group of buffer springs; the four groups of buffer springs are respectively and fixedly connected with the top end surfaces of the four buffer grooves.

Optionally, a first bevel gear is fixedly connected to the lower part of the outer wall of the stirring rotating shaft; a discharging flood dragon is rotationally connected in the middle of the front end surface of the inner wall of the mounting seat; the rear end face of the discharging auger is fixedly connected with a second bevel gear; the second bevel gear is meshed with the first bevel gear; the front end surface of the mounting seat is fixedly connected with a cooling pipe; the discharging auger is rotatably connected in the cooling pipe; the lower part of the front end surface of the outer wall of the mixing barrel is fixedly connected with a discharge pipe; a discharge check valve is fixedly arranged on the outer wall of the discharge pipe; the tail end of the discharge pipe is aligned with the discharge screw.

Optionally, a cooling liquid tank is fixedly mounted on the right part of the top end surface of the mounting bottom plate; the top end surface of the cooling liquid tank is fixedly connected with a water inlet pipe; the outer wall of the water inlet pipe is fixedly provided with a water inlet one-way valve; a cooling groove is formed in the cooling pipe; the tail end of the water inlet pipe is aligned with the cooling groove; a water return pipe is fixedly arranged on the right end face of the outer wall of the cooling pipe; the head end of the water return pipe is aligned with the position of the cooling groove; the tail end of the water return pipe is fixedly arranged in the cooling liquid tank; a water return one-way valve is fixedly arranged on the outer wall of the water return pipe.

Advantageous effects

The utility model discloses screening at powder coating and grinding the powder coating of big granule and reduce powder coating's in the mixing process waste, can carry out quick cooling to powder coating at the in-process of accomplishing the ejection of compact of mixing.

In addition, the in-process of feeding is screened powder coating through grinding backing plate and sieve mesh, then starts second driving motor and makes the support shaft drive the auxiliary frame and rotate, and the auxiliary frame pivoted in-process is ground the ball and can be ground the large granule powder coating that the screening got off, and powder coating after the grinding falls into the blending tank via the sieve mesh in, and powder coating's mixture is more evenly avoided producing extravagantly.

In addition, open ejection of compact check valve after mixing to accomplish and make powder coating pass through in the discharging pipe gets into the cooling tube, can make first bevel gear drive second bevel gear rotate at stirring pivot pivoted in-process, and then make the ejection of compact flood dragon rotate, make the ejection of compact flood dragon carry out the secondary to the powder coating that gets into in the cooling tube and mix and carry, make the mixed effect of device better.

In addition, when discharging, the water inlet check valve is opened to enable the cooling liquid in the cooling liquid tank to enter the cooling tank through the water inlet pipe, the powder coating in the cooling pipe is rapidly cooled through the cooling liquid in the cooling tank, and after discharging is completed, the water inlet check valve is closed to open the water return check valve to enable the cooling liquid in the cooling tank to flow back to the cooling liquid tank through the water return pipe, so that the device is more energy-saving and environment-friendly.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.

The drawings in the following description relate to only some embodiments of the invention and are not intended to limit the invention.

In the drawings:

fig. 1 is an axial structural schematic diagram of the present invention.

Fig. 2 is a schematic diagram of the right-hand axial structure of the present invention.

Fig. 3 is a schematic sectional view of the present invention.

Fig. 4 is a schematic sectional view of the left side of the present invention.

Fig. 5 is a schematic view of the cross-sectional axial structure of the present invention.

Fig. 6 is an enlarged schematic view of fig. 5 a according to the present invention.

Fig. 7 is an enlarged schematic view of the structure of fig. 5B according to the present invention.

List of reference numerals

1. Mounting a bottom plate; 101. fixing the rod; 102. a supporting seat; 103. a buffer tank; 104. a buffer spring; 105. an auxiliary rotating shaft; 106. a mounting seat; 107. a first drive motor; 108. a driving pulley; 109. a driven pulley; 110. a stirring rotating shaft; 111. a first bevel gear; 112. a second bevel gear; 113. a discharge pipe; 114. a discharge one-way valve; 115. a cooling tube; 116. a cooling tank; 117. discharging dragon; 118. a coolant tank; 119. a water inlet pipe; 120. a water inlet one-way valve; 121. a water return pipe; 122. a return one-way valve; 123. a mixing barrel; 124. a fixed seat; 125. a first fixing plate; 2. an auxiliary part; 201. mounting blocks; 202. a second fixing plate; 203. a sealing cover; 204. a feed hopper; 205. a second drive motor; 206. an auxiliary handle; 207. a limiting block; 208. a limiting frame; 209. a support shaft; 210. an auxiliary frame; 211. grinding the ball; 212. grinding the backing plate; 213. and (4) screening holes.

Detailed Description

In order to make the purpose, scheme and advantage of the technical scheme of the utility model clearer, the drawings of the specific embodiment of the utility model will be combined hereafter, and the technical scheme of the embodiment of the utility model is clearly and completely described. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference numerals in the drawings denote like elements.

The embodiment is as follows: please refer to fig. 1 to 7:

the utility model provides a powder coating is with mixing machine, include: a mounting base plate 1 and an auxiliary part 2;

the rear part of the top end surface of the mounting base plate 1 is fixedly provided with a mounting seat 106; the top end face of the mounting seat 106 is fixedly provided with a mixing barrel 123; a fixed seat 124 is fixedly connected to the rear part of the top end surface of the mixing barrel 123 in the middle; two first fixing plates 125 are symmetrically and fixedly connected to the front end surface of the top end surface of the mixing barrel 123; a cooling pipe 115 is fixedly arranged in the center of the top end face of the mounting base plate 1; the cooling tube 115 is aligned with the mounting block 106;

the auxiliary part 2 consists of an installation block 201, a second fixing plate 202, a sealing cover 203, a feed hopper 204, a second driving motor 205, an auxiliary handle 206, a limiting block 207, a limiting frame 208, a supporting rotating shaft 209, an auxiliary frame 210, a grinding ball 211, a grinding backing plate 212 and a sieve hole 213; the fixing seat 124 is rotatably connected with a mounting block 201; the front end surface of the mounting block 201 is fixedly connected with a sealing cover 203; two second fixing plates 202 are symmetrically and fixedly connected to the front end face of the sealing cover 203; the second fastening plate 202 is aligned with the first fastening plate 125; a fastening bolt is respectively connected between the two second fixing plates 202 and the two first fixing plates 125 in a threaded manner; an auxiliary handle 206 is fixedly connected with the front end surface of the sealing cover 203; two feed hoppers 204 are symmetrically and fixedly connected to the top end surface of the sealing cover 203.

In addition, according to the embodiment of the present invention, as shown in fig. 4, a first driving motor 107 is fixedly installed at the front part of the bottom end surface of the installation base plate 1; the top end face of the first driving motor 107 is coaxially connected with an auxiliary rotating shaft 105; a driving pulley 108 is fixedly connected to the outer wall of the auxiliary rotating shaft 105; a stirring rotating shaft 110 is arranged on the bottom end face of the bottom plate 1; a driven belt wheel 109 is fixedly connected to the outer wall of the stirring rotating shaft 110; the driven pulley 109 and the driving pulley 108 are coaxially connected through a transmission belt; the upper part of the outer wall of the stirring rotating shaft 110 is symmetrically and fixedly connected with two stirring paddles; the outer wall of two stirring rakes and the inner wall contact of blending bin 123 to make supplementary pivot 105 drive driving pulley 108 through starting first driving motor 107 and rotate, drive driven pulley 109 through driving pulley 108's rotation and rotate, and then drive stirring pivot 110 through driven pulley 109's rotation and rotate and make the stirring rake on the stirring pivot 110 outer wall mix the powder coating in the blending bin 123.

In addition, according to the embodiment of the present invention, as shown in fig. 5 and 7, four limit blocks 207 are fixedly connected to the inner wall of the sealing cover 203 in an annular array; four limiting frames 208 are inserted on the top end surfaces of the four limiting blocks 207; the bottom end surfaces of the four limit frames 208 are welded with grinding base plates 212; the top surface of the grinding backing plate 212 is in an annular array shape and penetrates through the sieve holes 213, so that powder coating is screened through the grinding backing plate 212 and the sieve holes 213 in the feeding process, and the grinding backing plate 212 is convenient for workers to take down the grinding backing plate 212 through the limiting block 207 and the limiting frame 208 to clean the grinding backing plate 212.

Furthermore, according to the embodiment of the present invention, as shown in fig. 5 and 7, the top end surface of the sealing cover 203 is fixedly installed with the second driving motor 205 in the middle; a supporting rotating shaft 209 is coaxially connected to the bottom end face of the second driving motor 205; the bottom end surface of the outer wall of the supporting rotating shaft 209 is fixedly connected with four auxiliary frames 210 in an annular array shape; the bottom end surfaces of the four auxiliary frames 210 are rotatably connected with grinding balls 211; the outer wall of grinding ball 211 contacts with the top end face of grinding backing plate 212 to make support pivot 209 drive auxiliary frame 210 and rotate through starting second driving motor 205, the grinding ball 211 of auxiliary frame 210 pivoted in-process auxiliary frame 210 bottom can grind the large granule powder coating that gets off screening and make powder coating's mixture more even avoid producing the waste.

Furthermore, according to the embodiment of the present invention, as shown in fig. 1 and fig. 2, four fixing rods 101 are fixedly connected to the bottom end of the installation bottom plate 1 in a rectangular array; the bottom end surfaces of the four fixing rods 101 are centrally provided with a buffer groove 103; a supporting seat 102 is connected in the four buffer grooves 103 in a sliding manner; the top end surfaces of the four supporting seats 102 are symmetrically and fixedly connected with a group of buffer springs 104; four sets of buffer springs 104 are respectively and four buffer slot 103's top end face fixed connection to can carry out shock attenuation protection to the device through buffer slot 103 and buffer spring 104, avoid producing violent vibrations and causing the damage to the device at the in-process that mixes.

In addition, according to an embodiment of the present invention, as shown in fig. 3, a first bevel gear 111 is fixedly connected to a lower portion of an outer wall of the stirring rotating shaft 110; a discharging flood dragon 117 is rotatably connected in the middle of the front end surface of the inner wall of the mounting seat 106; a second bevel gear 112 is fixedly connected to the rear end face of the discharging auger 117; the second bevel gear 112 is meshed with the first bevel gear 111; the front end face of the mounting seat 106 is fixedly connected with a cooling pipe 115; the discharging auger 117 is rotatably connected in the cooling pipe 115; the lower part of the front end surface of the outer wall of the mixing barrel 123 is fixedly connected with a discharge pipe 113; a discharge one-way valve 114 is fixedly arranged on the outer wall of the discharge pipe 113; the tail end of the discharging pipe 113 is aligned with the position of the discharging auger 117, so that after the mixing is completed, the discharging one-way valve 114 is opened to enable the powder coating to enter the cooling pipe 115 through the discharging pipe 113, the first bevel gear 111 can drive the second bevel gear 112 to rotate in the rotating process of the stirring rotating shaft 110, the discharging auger 117 can rotate, the powder coating entering the cooling pipe 115 is subjected to secondary mixing and conveying through the discharging auger 117, and the mixing effect of the powder coating is enhanced.

Furthermore, according to the embodiment of the present invention, as shown in fig. 2 and 3, the right portion of the top end surface of the mounting baseplate 1 is fixedly mounted with the cooling liquid tank 118; the top end surface of the cooling liquid tank 118 is fixedly connected with a water inlet pipe 119; a water inlet check valve 120 is fixedly arranged on the outer wall of the water inlet pipe 119; a cooling groove 116 is formed in the cooling pipe 115; the end of the inlet pipe 119 is aligned with the cooling bath 116; a water return pipe 121 is fixedly installed on the right end face of the outer wall of the cooling pipe 115; the head end of the return pipe 121 is aligned with the cooling tank 116; the end of the return pipe 121 is fixedly installed in the coolant tank 118; a water return check valve 122 is fixedly mounted on the outer wall of the water return pipe 121, so that the water inlet check valve 120 is opened during discharging to enable the cooling liquid in the cooling liquid tank 118 to enter the cooling tank 116 through the water inlet pipe 119, the powder coating in the cooling pipe 115 is rapidly cooled through the cooling liquid in the cooling tank 116, and after discharging is completed, the water inlet check valve 120 is closed to open the water return check valve 122 to enable the cooling liquid in the cooling tank 116 to flow back to the cooling liquid tank 118 through the water return pipe 121, so that the device is more energy-saving and environment-friendly.

The specific use mode and function of the embodiment are as follows:

the utility model discloses in the in-process of using can carry out shock attenuation protection to the device through buffer slot 103 and buffer spring 104, avoid producing the flood vibrations in the mixed process and cause the damage to the device, screw fastening bolt, pulling auxiliary handle 206 and open sealed lid 203, make things convenient for the staff to clean in the blending tank 123, pour powder coating into feeder hopper 204, filter powder coating through grinding backing plate 212 and sieve mesh 213 in the in-process of feeding, make things convenient for the staff to take off grinding backing plate 212 and clear up grinding backing plate 212 through stopper 207 and spacing frame 208, make support pivot 209 drive auxiliary frame 210 and rotate through starting second driving motor 205, grinding ball 211 of auxiliary frame 210 pivoted in-process auxiliary frame 210 bottom can grind the large granule powder coating that filters down and make powder coating mix more evenly and avoid producing the waste, make auxiliary pivot 105 drive driving pulley 108 to rotate through starting first driving motor 107, drive driven pulley 109 through the rotation of driving pulley 108 and rotate, and then drive stirring pivot 110 through the rotation of driven pulley 109 and rotate and make the stirring paddle on the stirring pivot 110 rotate and make the stirring handle 110 drive the interior stirring powder coating of mixing tank 120 and make the mixed cooling water pipe 120 and make the mixed powder coating enter through the cooling water pipe 118 in the mixed bevel gear 118 and make the mixed water cooling water pipe of mixed powder coating enter the mixed in the mixed bucket, make the mixed process of mixed cooling water inlet pipe 110 and make the mixed powder coating enter through the mixed cooling water inlet pipe 110 and cooling water inlet pipe 114, the powder coating in the cooling pipe 115 is rapidly cooled by the cooling liquid in the cooling tank 116, and after the discharging is finished, the water inlet check valve 120 is closed, the water return check valve 122 is opened, so that the cooling liquid in the cooling tank 116 flows back to the cooling liquid tank 118 through the water return pipe 121, and the device is more energy-saving and environment-friendly.

Finally, it should be noted that the present invention is generally illustrated by one/a pair of components when describing the positions of the components and the matching relationship between the components, etc., however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other components/other paired components.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. A mixing machine for powder coating materials, comprising: a mounting base plate (1) and an auxiliary part (2); the rear part of the top end surface of the mounting base plate (1) is fixedly provided with a mounting seat (106); a mixing barrel (123) is fixedly mounted on the top end face of the mounting seat (106); a fixed seat (124) is fixedly connected to the rear part of the top end face of the mixing barrel (123) in the middle; the front end surface of the top end surface of the mixing barrel (123) is symmetrically and fixedly connected with two first fixing plates (125); a cooling pipe (115) is fixedly arranged in the center of the top end surface of the mounting base plate (1); the cooling tube (115) is aligned with the mounting seat (106); the auxiliary part (2) consists of an installation block (201), a second fixing plate (202), a sealing cover (203), a feed hopper (204), a second driving motor (205), an auxiliary handle (206), a limiting block (207), a limiting frame (208), a supporting rotating shaft (209), an auxiliary frame (210), grinding balls (211), a grinding base plate (212) and sieve holes (213); the fixed seat (124) is rotatably connected with a mounting block (201); the front end surface of the mounting block (201) is fixedly connected with a sealing cover (203); the front end surface of the sealing cover (203) is symmetrically and fixedly connected with two second fixing plates (202); the second fixing plate (202) is aligned with the first fixing plate (125); a fastening bolt is respectively connected between the two second fixing plates (202) and the two first fixing plates (125) in a threaded manner; an auxiliary handle (206) is fixedly connected to the front end face of the sealing cover (203); the top end face of the sealing cover (203) is symmetrically and fixedly connected with two feed hoppers (204).

2. A mixer for powder coating according to claim 1, wherein: the mounting base plate (1) further comprises an auxiliary rotating shaft (105), a first driving motor (107), a driving belt wheel (108), a driven belt wheel (109) and a stirring rotating shaft (110); a first driving motor (107) is fixedly mounted at the front part of the bottom end face of the mounting bottom plate (1); the top end face of the first driving motor (107) is coaxially connected with an auxiliary rotating shaft (105); a driving belt wheel (108) is fixedly connected to the outer wall of the auxiliary rotating shaft (105); a stirring rotating shaft (110) is arranged on the bottom end face of the bottom plate (1); a driven belt wheel (109) is fixedly connected to the outer wall of the stirring rotating shaft (110); the driven pulley (109) is coaxially connected with the driving pulley (108) through a transmission belt; the upper part of the outer wall of the stirring rotating shaft (110) is symmetrically and fixedly connected with two stirring paddles; the outer walls of the two stirring paddles are in contact with the inner wall of the mixing barrel (123).

3. A mixer for powder coatings according to claim 1, characterized in that: four limit blocks (207) are fixedly connected to the inner wall of the sealing cover (203) in an annular array; four limiting frames (208) are inserted on the top end surfaces of the four limiting blocks (207); the bottom end surfaces of the four limiting frames (208) are welded with grinding base plates (212); the top end surface of the grinding backing plate (212) is in an annular array shape and is penetrated with a sieve pore (213).

4. A mixer for powder coatings according to claim 1, characterized in that: a second driving motor (205) is fixedly arranged in the center of the top end surface of the sealing cover (203); the bottom end face of the second driving motor (205) is coaxially connected with a supporting rotating shaft (209); the bottom end surface of the outer wall of the supporting rotating shaft (209) is fixedly connected with four auxiliary frames (210) in an annular array shape; the bottom end surfaces of the four auxiliary frames (210) are respectively and rotatably connected with grinding balls (211); the outer wall of the polishing ball (211) is in contact with the tip end surface of the polishing pad (212).

5. A mixer for powder coatings according to claim 1, characterized in that: the mounting base plate (1) further comprises a fixing rod (101), a supporting seat (102), a buffer groove (103) and a buffer spring (104); the bottom end surface of the mounting bottom plate (1) is in a rectangular array shape and is fixedly connected with four fixing rods (101); the bottom end surfaces of the four fixing rods (101) are centrally provided with buffer grooves (103); a supporting seat (102) is connected in the four buffer grooves (103) in a sliding manner; the top end surfaces of the four supporting seats (102) are symmetrically and fixedly connected with a group of buffer springs (104); the four groups of buffer springs (104) are respectively and fixedly connected with the top end surfaces of the four buffer grooves (103).

6. A mixer for powder coatings according to claim 2, characterized in that: the mounting base plate (1) further comprises a first bevel gear (111), a second bevel gear (112), a discharge pipe (113), a discharge one-way valve (114), a cooling pipe (115) and a discharge screw (117); the lower part of the outer wall of the stirring rotating shaft (110) is fixedly connected with a first bevel gear (111); a discharging flood dragon (117) is rotatably connected in the middle of the front end surface of the inner wall of the mounting seat (106); a second bevel gear (112) is fixedly connected with the rear end face of the discharging auger (117); the second bevel gear (112) is meshed with the first bevel gear (111); the front end surface of the mounting seat (106) is fixedly connected with a cooling pipe (115); the discharging auger (117) is rotatably connected in the cooling pipe (115); the lower part of the front end face of the outer wall of the mixing barrel (123) is fixedly connected with a discharge pipe (113); a discharge one-way valve (114) is fixedly arranged on the outer wall of the discharge pipe (113); the tail end of the discharge pipe (113) is aligned with the discharge screw (117).

7. A mixer for powder coatings according to claim 1, characterized in that: the mounting bottom plate (1) further comprises a cooling tank (116), a cooling liquid tank (118), a water inlet pipe (119), a water inlet check valve (120), a water return pipe (121) and a water return check valve (122); a cooling liquid tank (118) is fixedly arranged at the right part of the top end surface of the mounting bottom plate (1); the top end surface of the cooling liquid tank (118) is fixedly connected with a water inlet pipe (119); a water inlet one-way valve (120) is fixedly arranged on the outer wall of the water inlet pipe (119); a cooling groove (116) is formed in the cooling pipe (115); the tail end of the water inlet pipe (119) is aligned with the position of the cooling groove (116); a water return pipe (121) is fixedly arranged on the right end face of the outer wall of the cooling pipe (115); the head end of the water return pipe (121) is aligned with the position of the cooling tank (116); the tail end of the water return pipe (121) is fixedly arranged in the cooling liquid tank (118); a backwater one-way valve (122) is fixedly arranged on the outer wall of the backwater pipe (121).