CN215139599U - Fine temperature control metal powder coating mixing equipment - Google Patents
Fine temperature control metal powder coating mixing equipment Download PDFInfo
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- CN215139599U CN215139599U CN202121461801.XU CN202121461801U CN215139599U CN 215139599 U CN215139599 U CN 215139599U CN 202121461801 U CN202121461801 U CN 202121461801U CN 215139599 U CN215139599 U CN 215139599U
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Abstract
The utility model discloses a fine temperature control metal powder coating mixing device, which comprises a frame, a feed hopper arranged on the frame, a hot mixing cylinder, a cold mixing cylinder, a cooling device and a driving device which are arranged in the inner cavity of the frame; a stirring device is arranged in the hot mixing cylinder, one end of the stirring device is fixed on the frame, and the other end of the stirring device extends into the hot mixing cylinder; the hot mixing cylinder is provided with a cooling cavity, and the cooling device is connected with the cooling cavity through a cooling circulating pipe and forms a sectional type cooling circulating system; the utility model has the advantages that 4 inlet and 4 outlet sectional 4 circulating cooling water paths are arranged on the hot mixing cylinder, and the cooling is carried out in sections at the same time, so that the cooling speed is high and the effect is good; meanwhile, the temperature in the hot mixing cylinder is monitored in real time, and the temperature control accuracy is high; in addition, the whole structure of the frame is of an n-shaped structure, the hot mixing cylinder and the cold mixing cylinder are arranged in the inner cavity of the frame, an air filter element is arranged behind the back of the frame, and the air filter element is matched with an induced draft fan, so that the dust can be wrapped and treated, the dust is not easy to leak, the layout is scientific and reasonable, and the production is more environment-friendly.
Description
Technical Field
The utility model relates to a powder mixing technique field especially relates to a smart accuse temperature metal powder coating mixing apparatus.
Background
At present, the mixing technique of metal powder coating is composed of dry mixing method and heat treatment method. The powder coating base powder is added into a high-speed mixer with a temperature control jacket, the high-speed rotation of machinery is utilized, friction is generated in a short time due to different movement speeds between a stirring paddle and a mixed material, the temperature of a base material mixture is increased through frictional heat generation, a main shaft is arranged in a mixing device of the conventional mixer, a plurality of groups of stirring blades are installed on the main shaft, mutually communicated circulating water paths are formed in the stirring blades and the main shaft, the end part of the main shaft is connected with a circulating water pipe through a rotary joint, the material reaches the mixing temperature through the frictional heat generation between the stirring blades and the material when rotating, the surface of plastic powder particles is melted at the temperature, the inside of the plastic powder particles is solid, and the powder is firmly adhered to the surface of the plastic powder particles in the state to complete mixing. In the process of stirring and heating, temperature control and generated dust treatment are important parameters for achieving a better mixing effect, if the temperature is too high, the melting degree of plastic powder particles is increased, agglomeration is formed, an expected product cannot be obtained, and if the temperature is too low, the plastic powder surface is not melted enough and cannot be completely and firmly adhered to pigment particles, so that uneven color is caused, and the mixing effect is poor; meanwhile, shutdown is easy to occur due to poor temperature and dust control, continuous operation for 24 hours cannot be realized, the working efficiency is influenced, and secondary pollution is caused.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the problem that above-mentioned prior art exists, the utility model aims to provide a smart accuse temperature metal powder coating mixing apparatus sets up segmentation cooling structure, and cooling rate is fast, effectual, and the control by temperature change precision is high.
The purpose of the utility model is realized by adopting the following technical scheme:
a fine temperature control metal powder coating mixing device comprises a rack, a feed hopper arranged on the rack, a hot mixing cylinder, a cold mixing cylinder, a cooling device and a driving device, wherein the hot mixing cylinder, the cold mixing cylinder, the cooling device and the driving device are arranged in an inner cavity of the rack; a stirring device is arranged in the hot mixing cylinder, one end of the stirring device is fixed on the rack, and the other end of the stirring device extends into the hot mixing cylinder; the cooling device is used for providing a cooling medium; the inner wall of the hot mixing cylinder is provided with a plurality of cooling cavities; the cooling device is respectively connected with the cooling cavity through a cooling circulating pipe to form a sectional type cooling circulating system; the driving device comprises a first motor and a second motor which are respectively connected with the hot mixing cylinder and the cold mixing cylinder;
and metal powder enters the hot mixing cylinder through the feed hopper to be subjected to hot mixing, and a mixture subjected to hot mixing enters the cold mixing cylinder from a discharge port of the hot mixing cylinder to be subjected to cold mixing and is finally discharged.
As a further explanation of the above scheme, the cooling cavity includes a first cooling cavity, a second cooling cavity and a third cooling cavity respectively disposed on the top, the bottom and the side wall of the hot mixing cylinder; the cooling device is respectively connected with the first cooling cavity, the second cooling cavity and the third cooling cavity through a first cooling circulation pipe, a second cooling circulation pipe and a third cooling circulation pipe and conveys cooling media to form a sectional type cooling circulation system.
As a further explanation of the above scheme, the cooling cavity further includes a fourth cooling cavity, the fourth cooling cavity is disposed below the third cooling cavity, and the cooling device is connected to the fourth cooling cavity through a fourth cooling circulation pipe.
As a further explanation of the above scheme, a temperature sensor is arranged in the hot mixing cylinder, and the mixing device is further provided with a controller.
As a further explanation of the above scheme, the first cooling cavity, the second cooling cavity, the third cooling cavity and the fourth cooling cavity are respectively provided with a water inlet and a water outlet.
As a further explanation of the above scheme, the mixing device is further provided with a dust filtering assembly; the dust filtering component comprises an air filter element and an induced draft fan, wherein the air filter element is connected with the hot mixing cylinder, and the induced draft fan is used for guiding air.
As a further explanation of the above scheme, the rack is arranged in an "n" shaped structure.
As a further explanation of the above scheme, the stirring device includes a rotating shaft and a plurality of stirring blades fixed on the rotating shaft, the lengths of the stirring blades increase from top to bottom, and the stirring blade at the topmost part is provided with a scraping blade inclined downward.
As a further explanation of the above scheme, the rotating shaft is provided with a hollow inner cavity, and the cooling device is connected with the hollow inner cavity through a fifth circulating cooling pipe.
As a further explanation of the above scheme, a fifth cooling cavity is arranged on the periphery of the inner cavity of the cold mixing cylinder, and the cooling device is connected with the fifth cooling cavity through a sixth cooling circulation pipe; the fifth cooling cavity is provided with the water inlet and the water outlet.
As a further explanation of the above scheme, the rack is further provided with a first air-permeable filter element and a second air-permeable filter element which are respectively communicated with the hot mixing cylinder and the cold mixing cylinder.
As a further explanation of the above scheme, a hydraulic device for driving the hot mixing cylinder to lift is further arranged on the frame, and the hydraulic device comprises a hydraulic motor and a hydraulic oil cylinder.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model has the advantages that the sectional type cooling circulation system is arranged, namely 4 circulation cooling water paths with 4 inlets and 4 outlets are arranged on the hot mixing cylinder, and the top, the upper part of the side wall, the lower part of the side wall and the bottom of the hot mixing cylinder are simultaneously cooled in sections, so that the cooling speed is high and the effect is good; meanwhile, a temperature sensor is arranged in the hot mixing cylinder, so that the temperature in the hot mixing cylinder is monitored in real time, the cooling circulation effect of the side wall is better regulated and controlled, and the temperature control precision is high;
2. in addition, the structural layout of the improved frame of the mixing equipment of the utility model is integrally arranged in an n-shaped structure, the hot mixing cylinder and the cold mixing cylinder are arranged in the inner cavity of the frame, and the air filter element is arranged at the back of the frame and is matched with the draught fan, so that the dust can be wrapped and treated, the dust is not easy to leak out to cause pollution, the layout is scientific and reasonable, the production is more environment-friendly, and the service life of the parts is long;
3. the fine temperature control metal powder coating mixing equipment has good temperature control, good cooling effect on powder, no fault shutdown, long-time work and high working efficiency;
4. the utility model discloses a stirring paddle leaf sets up the doctor-bar of downward sloping, pushes down more easily at the in-process top material of stirring to make stronger to the destructiveness of material, thereby stir more evenly.
Drawings
FIG. 1 is a schematic front view of a precise temperature control metal powder coating mixing device according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a cooling circulation system of a precise temperature control metal powder coating mixing device according to a preferred embodiment of the present invention;
FIG. 3 is a schematic side view of a fine temperature control metal powder coating mixing apparatus according to a preferred embodiment of the present invention;
FIG. 4 is a top view of a fine temperature control metal powder coating mixing apparatus according to a preferred embodiment of the present invention;
FIG. 5 is a schematic view of the front structure of a hot mixing cylinder of a precise temperature control metal powder coating mixing device according to a preferred embodiment of the present invention;
fig. 6 is a schematic structural view of a stirring device of a precise temperature control metal powder coating mixing device according to a preferred embodiment of the present invention.
In the figure: 1. a frame; 11. a feed hopper; 12. a first gas permeable filter element; 13. a second gas permeable filter element; 14. a hydraulic device; 141. a hydraulic motor; 142. a hydraulic cylinder; 2. a hot mixing tank; 21. a stirring device; 211. a rotating shaft; 212. a stirring paddle; 213. scraping a blade; 22. a cooling chamber; 221. a first cooling chamber; 222. a second cooling chamber; 223. a third cooling chamber; 224. a fourth cooling chamber; 23. a discharge outlet; 3. a cold mixing cylinder; 31. a fifth cooling chamber; 4. a cooling device; 41. a pump body; 5. a drive device; 51. a first motor; 52. a second motor; 6. a cooling circulation pipe; 61. a first cooling circulation pipe; 62. a second cooling circulation pipe; 63. a third cooling circulation pipe; 64. a fourth cooling circulation pipe; 65. a fifth cooling circulation pipe; 66. a sixth cooling circulation pipe; 7. a water inlet; 8. a water outlet; 9. a dust filter assembly; 91. an air filter element; 92. an induced draft fan.
Detailed Description
For the convenience of understanding, the following will explain the technical solution and advantages of the photoelectric gas sensor probe in further detail with reference to the accompanying drawings and embodiments. The following description of the specific structure and features of the photoelectric gas sensor probe is given by way of example and should not be construed as limiting the invention in any way. Also, any technical features mentioned (including implicit or explicit) below, as well as any technical features shown or implicit in the drawings, may be continued to be combined or deleted arbitrarily between them, thereby forming more other embodiments that may not be mentioned directly or indirectly in the present disclosure. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In the description of the present invention, unless otherwise specified, the terms "top", "bottom", "left", "right", "relative", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-6, a fine temperature control metal powder coating mixing device comprises a frame 1, a feed hopper 11 arranged on the frame 1, a hot mixing cylinder 2, a cold mixing cylinder 3, a cooling device 4 and a driving device 5 which are arranged in an inner cavity of the frame 1; a stirring device 21 is arranged in the hot mixing cylinder 2, one end of the stirring device 21 is fixed on the rack 1, and the other end of the stirring device 21 extends into the hot mixing cylinder 2; the cooling device is used for providing a cooling medium; the hot mixing cylinder 2 is provided with a plurality of cooling cavities 22, and the cooling device 4 is respectively connected with the cooling cavities 22 through cooling circulating pipes 6 to form a sectional type cooling circulating system; the driving device 5 comprises a first motor 51 and a second motor 52 which are respectively connected with the hot mixing cylinder 2 and the cold mixing cylinder 3;
the metal powder enters the hot mixing cylinder 2 through the feed hopper 11 to be subjected to hot mixing, and the mixture subjected to hot mixing enters the cold mixing cylinder 3 from the discharge port 23 of the hot mixing cylinder 2 to be subjected to cold mixing and finally discharged.
In the present embodiment, the cooling medium is preferably cold water; the cooling device 4 is preferably a cold water tank, and water of the cold water tank is circularly conveyed into the cooling cavity 22 through a pump body 41 to cool the hot mixing cylinder 2.
In this embodiment, the pump body is a water pump in the prior art, and the working principle thereof may refer to the prior art, which is not described herein again.
As a further preferred embodiment, the cooling chamber 22 comprises a first cooling chamber 221, a second cooling chamber 222 and a third cooling chamber 223 respectively arranged on the top, bottom and side walls of the hot mixing cylinder 2; the cooling device 4 is connected with the first cooling cavity 221, the second cooling cavity 222 and the third cooling cavity 223 through a first cooling circulation pipe 61, a second cooling circulation pipe 62 and a third cooling circulation pipe 63 respectively and conveys cooling media, and the segmented cooling circulation system is formed.
In this embodiment, the first cooling chamber 221, the second cooling chamber 222, the third cooling chamber 223, the first cooling circulation pipe 61, the second cooling circulation pipe 62, the third cooling circulation pipe 63 and the cooling device are kept in an open state, and respective circulation cooling systems are respectively formed, so as to realize full-time heat exchange with the powder in the hot mixing cylinder, and avoid the problems of poor mixing effect and component damage caused by adhesion due to over-high local temperature.
As a further preferred embodiment, the cooling chamber 22 further comprises a fourth cooling chamber 224, the fourth cooling chamber 224 is arranged below the third cooling chamber 223, and the cooling device 4 is connected with the fourth cooling chamber 224 through a fourth cooling circulation pipe 64.
In this embodiment, through set up 4 into 4 circulative cooling water routes of 4 sectional types on hot mixed jar, cool off from hot mixed jar top, lateral wall upper portion, lateral wall lower part, bottom segmentation simultaneously, compare prior art non-segmentation cooling water route, the utility model discloses a cooling position is more even, and cooling speed is fast, effectual.
As a further preferred embodiment, a temperature sensor (not shown in the figure) is arranged in the hot mixing cylinder 2, and the mixing device is also provided with a controller (not shown in the figure).
In this embodiment, the temperature sensor senses that the temperature of the powder exceeds a preset temperature, and transmits a signal to the controller, and the controller controls the cooling device to convey cooling water to the fourth cooling cavity through a fourth cooling circulation pipe, and forms a circulation water path to further increase heat exchange with the powder in the hot mixing cylinder.
In this embodiment, the temperature sensor is a temperature sensor in the prior art, and the working principle thereof may refer to the prior art, which is not described herein again; the controller may be a PLC controller of the prior art.
In a further preferred embodiment, the first cooling chamber 221, the second cooling chamber 222, the third cooling chamber 223 and the fourth cooling chamber 224 are respectively provided with a water inlet 7 and a water outlet 8.
As a further preferred embodiment, the mixing device is further provided with a dust filter assembly 9; the dust filtering assembly comprises an air filter element 91 and an induced draft fan 92, wherein the air filter element 91 is connected with the hot mixing cylinder, and the induced draft fan 92 is used for guiding air. Through the adsorption of draught fan, the cooperation air filter can carry out fine filtration to the dust that produces among the stirring process and clear away.
As a further preferred embodiment, the frame 1 is arranged in an "n" shaped configuration. In this embodiment, frame 1 wholly is "n" shape structure setting, and hot jar 2, the cold jar 3 that mixes set up in frame 1 inner chamber that mixes to set up air filter 91 behind frame 1, cooperation draught fan 92 can realize handling the parcel of dust, is difficult to leak and causes the pollution, and overall arrangement scientific and reasonable, production are more environmental protection.
In a further preferred embodiment, the stirring device 21 includes a rotating shaft 211 and a plurality of stirring blades 212 fixed to the rotating shaft 211, the length of the stirring blades 212 increases from top to bottom, and the topmost stirring blade 212 is provided with a downward-inclined scraping blade 213.
In a further preferred embodiment, the rotating shaft 211 is provided with a hollow inner cavity, and the cooling device 4 is connected with the hollow inner cavity through a fifth cooling circulation pipe 65, so that the stirring device can be cooled synchronously, and the cooling effect is further improved.
In a further preferred embodiment, a fifth cooling cavity 31 is circumferentially arranged in the inner cavity of the cold mixing cylinder 3, and the cooling device 4 is connected with the fifth cooling cavity 31 through a sixth cooling circulation pipe 66; the fifth cooling cavity 31 is provided with the water inlet 7 and the water outlet 8. The fifth cooling cavity is arranged to accelerate the cooling speed of the cold mixing cylinder, and the working efficiency is improved.
In a further preferred embodiment, the frame 1 is further provided with a first air-permeable filter element 12 and a second air-permeable filter element 13 which are respectively communicated with the hot mixing cylinder 2 and the cold mixing cylinder 3. The first air-permeable filter element 12 and the second air-permeable filter element 13 are respectively used for assisting in filtering dust generated by the hot mixing cylinder 2 and the cold mixing cylinder 3, and the dust filtering effect is further improved.
In a further preferred embodiment, a hydraulic device 14 for driving the hot mixing cylinder 2 to ascend and descend is further provided on the frame 1, and the hydraulic device 14 includes a hydraulic motor 141 and a hydraulic cylinder 142.
In this embodiment, the work flow of the metal powder coating mixing device is as follows: firstly, starting a mixing device, adding powder from a feed hopper, driving a stirring device to rotate by a first motor, generating a large amount of heat by stirring friction of the powder, synchronously and circularly conveying cold water to a first cooling cavity 221, a second cooling cavity 222 and a third cooling cavity 223 on the top, the bottom and the side wall of a hot mixing cylinder 2 by a cooling device, forming a circulating water path and carrying out heat exchange with the powder in the hot mixing cylinder; in the process, when the temperature sensor in the hot mixing cylinder senses that the temperature of the powder exceeds 80 ℃, a signal is transmitted to the controller, the controller controls the cooling device to convey cooling water to the fourth cooling cavity through the fourth cooling circulation pipe, a circulation water path is formed, and the heat exchange with the powder in the hot mixing cylinder is further increased; after stirring for about 15-30 minutes, feeding the powder in the hot mixing cylinder into the cold mixing cylinder from the discharge port of the hot mixing cylinder for further cooling treatment, starting a circulating cooling system of the cold mixing cylinder, namely conveying cooling water to a fifth cooling cavity of the cold mixing cylinder through a sixth cooling circulating pipe by the cooling device, carrying out heat exchange with the mixture in the cold mixing cylinder until the temperature of the powder in the cold mixing cylinder reaches 10-30 ℃, opening the discharge port of the cold mixing cylinder, and discharging.
The utility model has the advantages that 4 inlet and 4 outlet sectional 4 circulating cooling water paths are arranged on the hot mixing cylinder, and the top, the upper part of the side wall, the lower part of the side wall and the bottom of the hot mixing cylinder are simultaneously cooled in sections, so that the cooling speed is high and the effect is good; meanwhile, a temperature sensor is arranged in the hot mixing cylinder, so that the temperature in the hot mixing cylinder is monitored in real time, the cooling circulation effect of the side wall is better regulated, the temperature control precision is high, and the cooling effect is good; the device does not cause fault shutdown, can keep working for a long time and has high working efficiency;
and simultaneously the utility model discloses a stirring paddle leaf sets up the doctor-bar of downward sloping, pushes down more easily at the in-process top material of stirring to make stronger to the destructiveness of material, thereby stir more evenly.
The above-described embodiments are merely preferred embodiments of the present invention, and the scope of the present invention should not be limited thereto, and it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principle and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims (10)
1. A fine temperature control metal powder coating mixing device comprises a rack, a feed hopper arranged on the rack, a hot mixing cylinder, a cold mixing cylinder, a cooling device and a driving device, wherein the hot mixing cylinder, the cold mixing cylinder, the cooling device and the driving device are arranged in an inner cavity of the rack; a stirring device is arranged in the hot mixing cylinder, one end of the stirring device is fixed on the rack, and the other end of the stirring device extends into the hot mixing cylinder; the cooling device is used for providing a cooling medium; the device is characterized in that a plurality of cooling cavities are arranged on the inner wall of the hot mixing cylinder; the cooling device is respectively connected with the cooling cavity through a cooling circulating pipe to form a sectional type cooling circulating system; the driving device comprises a first motor and a second motor which are respectively connected with the hot mixing cylinder and the cold mixing cylinder;
and metal powder enters the hot mixing cylinder through the feed hopper to be subjected to hot mixing, and a mixture subjected to hot mixing enters the cold mixing cylinder from a discharge port of the hot mixing cylinder to be subjected to cold mixing and is finally discharged.
2. The fine temperature controlled metal powder coating mixing apparatus of claim 1, wherein the cooling cavities comprise a first cooling cavity, a second cooling cavity, and a third cooling cavity respectively disposed on a top, a bottom, and a sidewall of the hot mixing cylinder; the cooling device is respectively connected with the first cooling cavity, the second cooling cavity and the third cooling cavity through a first cooling circulation pipe, a second cooling circulation pipe and a third cooling circulation pipe and conveys cooling media to form a sectional type cooling circulation system.
3. The fine temperature-controlled metal powder coating mixing apparatus of claim 2, wherein the cooling chamber further comprises a fourth cooling chamber disposed below the third cooling chamber, and the cooling device is connected to the fourth cooling chamber through a fourth cooling circulation pipe.
4. The fine temperature controlled metal powder coating mixing apparatus of claim 3, wherein a temperature sensor is provided in the hot mixing tank, and the mixing apparatus is further provided with a controller.
5. The fine temperature-controlled metal powder coating mixing apparatus of claim 3, wherein the first cooling chamber, the second cooling chamber, the third cooling chamber, and the fourth cooling chamber are provided with a water inlet and a water outlet, respectively.
6. The fine temperature controlled metal powder coating mixing apparatus of claim 1, wherein the mixing apparatus is further provided with a dust filter assembly; the dust filtering component comprises an air filter element and an induced draft fan, wherein the air filter element is connected with the hot mixing cylinder, and the induced draft fan is used for guiding air.
7. The fine temperature controlled metal powder coating mixing apparatus of claim 1, wherein the frame is arranged in an "n" configuration.
8. The fine temperature-controlled metal powder coating mixing apparatus of claim 1, wherein the stirring device comprises a rotating shaft and a plurality of stirring blades fixed to the rotating shaft, the lengths of the stirring blades are increased from top to bottom, and the topmost stirring blade is provided with a downward-inclined scraping blade.
9. The fine temperature controlled metal powder coating mixing apparatus of claim 8, wherein the rotating shaft is provided with a hollow inner chamber, and the cooling device is connected to the hollow inner chamber through a fifth circulation cooling pipe.
10. The fine temperature-control metal powder coating mixing apparatus according to claim 1, wherein the frame is further provided with a first gas-permeable filter element and a second gas-permeable filter element respectively communicated with the hot mixing cylinder and the cold mixing cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121461801.XU CN215139599U (en) | 2021-06-29 | 2021-06-29 | Fine temperature control metal powder coating mixing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121461801.XU CN215139599U (en) | 2021-06-29 | 2021-06-29 | Fine temperature control metal powder coating mixing equipment |
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| Publication Number | Publication Date |
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| CN215139599U true CN215139599U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121461801.XU Active CN215139599U (en) | 2021-06-29 | 2021-06-29 | Fine temperature control metal powder coating mixing equipment |
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| Country | Link |
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| CN (1) | CN215139599U (en) |
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- 2021-06-29 CN CN202121461801.XU patent/CN215139599U/en active Active
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