Mixing device for insulating paint
By setting a cavity and a spiral heating tube at the lower end of the transmission shaft of the mixing device and heating with external steam, the problem of low heating efficiency in the prior art is solved, and uniform, rapid heating and efficient mixing of the insulating coating are achieved.
Patent Information
- Application Number
- CN202421544070.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-02
AI Technical Summary
When the existing mixing device heats the insulating coating, the heating coil is arranged on the outer wall of the equipment, resulting in low heating efficiency.
A mixing device is designed. By setting a cavity at the lower end of the transmission shaft and connecting it to the air conduit, the air conduit is connected to the external steam source, the steam enters the cavity and the spiral heating pipe. The speed reduction motor drives the transmission shaft to rotate, so that the heating pipe and the connecting pipe rotate accordingly, achieving uniform and rapid heating of materials.
The mixing and heating efficiency of materials is improved, the uniform heating of insulating coatings is ensured, and the problem of low heating efficiency in the prior art is solved.
Smart Images

Figure CN222766100U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mixing devices, in particular to a mixing device for insulating coatings. Background Art
[0002] Insulating coatings are coatings with excellent electrical insulation properties, good electrical properties, thermal properties, mechanical properties and chemical properties. Most of them are varnishes, but there are also colored paints. Insulating coatings are divided into solvent-based and water-based. The coating can form a ceramic coating with high volume resistivity on the surface of the coated object, which can withstand strong electric fields without being broken down. The coating has high mechanical strength and good chemical stability, and is resistant to aging, water and chemical corrosion. It also has mechanical shock and thermal shock resistance. The coating can work continuously within the corresponding working temperature range;
[0003] In the production process of insulating coatings, several raw materials need to be mixed, and the coating needs to be stirred manually, which is labor-intensive and inefficient. In the existing mixing devices, heating coils are mostly set on the outer wall of the equipment during the heating process of the mixture. The outer wall of the equipment is heated by the heating coil, and then the outer wall of the equipment radiates heat to the inside to achieve the purpose of heating the raw materials. Although this method can achieve the purpose of heating, the heating efficiency is not high due to the outer wall of the equipment in the middle. Utility Model Content
[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a mixing device for insulating coatings to solve the technical problem that the existing mixing devices heat the materials inside thereof mostly through heating coils attached to the outer wall, resulting in low heating efficiency.
[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:
[0006] A mixing device for insulating coating, comprising:
[0007] Tank;
[0008] A top cover bolted to the top of the tank body;
[0009] A second mounting frame, the second mounting frame is fixedly connected to the middle portion of the top end of the top cover;
[0010] A reduction motor, wherein the reduction motor is fixedly mounted inside the second mounting frame;
[0011] A transmission shaft, one end of which is fixedly mounted to the output end of the reduction motor through a coupling, and the other end of which passes through the top cover and the inner bottom wall of the tank body in sequence and extends to the outside, and a cavity is provided in the middle of the lower end of the transmission shaft;
[0012] A heating tube, the heating tube is spirally shaped and arranged outside the lower end of the transmission shaft;
[0013] A plurality of connecting tubes, wherein the plurality of connecting tubes are fixedly connected between the heating tube and the transmission shaft, and the two ends of the connecting tubes are respectively connected with the heating tube and the cavity;
[0014] A spiral blade, wherein the spiral blade is arranged between the heating tube and the inner wall of the tank body, and a plurality of connecting rods are fixedly connected between the spiral blade and the transmission shaft;
[0015] An air guide tube, one end of which is rotatably matched with the extended end of the transmission shaft through a rotary joint.
[0016] Furthermore, the bottom end of the tank body is arranged in an arc shape, a ring plate is sleeved on the outer side of the lower end of the tank body, and four support columns distributed in a ring array are fixedly connected to the lower surface of the ring plate.
[0017] Furthermore, a feed pipe is fixedly connected to the left side of the upper end of the tank body, and a discharge pipe is fixedly connected to the bottom of the tank body and located on one side of the transmission shaft, and solenoid valves are installed inside the feed pipe and the discharge pipe.
[0018] Furthermore, a first mounting bracket is fixedly connected to the left side of the top of the top cover, a storage box is fixedly connected to the upper surface of the first mounting bracket, a discharge pipe is fixedly connected to the bottom of the storage box, an end of the discharge pipe away from the storage box passes through the first mounting bracket and the top cover in sequence and extends to the top of the tank body, and a solenoid valve is installed inside the discharge pipe.
[0019] Furthermore, an exhaust hole is provided at the top of the heating tube, and the height of the heating tube is higher than the height of the feeding tube.
[0020] Furthermore, the spiral direction of the spiral blade is opposite to that of the heating tube, and a scraper is fixedly connected to one side of the spiral blade close to the inner wall of the tank body. The scraper is slidably matched with the inner wall of the tank body, and the scraper is made of fluororubber.
[0021] Furthermore, a gas collecting mechanism is provided on the right side of the upper end of the tank body, and the gas collecting mechanism comprises:
[0022] A fixing plate, the fixing plate being fixedly connected to the upper right side of the tank body;
[0023] A collection box, the collection box is fixedly connected to the upper surface of the fixed plate through four columns;
[0024] The vacuum pump is arranged at the front side of the collecting box, and the air suction end and the air outlet end of the vacuum pump are fixedly connected to the top cover and the collecting box through conduits respectively.
[0025] Furthermore, a pump body is fixedly connected to the upper surface of the fixed plate and located below the collecting box, the input end of the pump body is connected to the bottom of the collecting box, and the output end of the pump body is connected to the top of the collecting box through a guide tube.
[0026] Furthermore, one end of the guide tube away from the pump body passes through the top of the collection box and extends to the interior of the collection box. The extended end of the guide tube is fixedly connected to a water guide plate. The water guide plate is square and has a plurality of evenly distributed water guide holes at the bottom.
[0027] Furthermore, a filter element is installed inside the collection box, and the filter element is located between the water guide plate and the conduit. The upper end of the rear side of the collection box is fixedly connected to an exhaust pipe.
[0028] Beneficial effects of the utility model:
[0029] The utility model provides a cavity at the lower end of the transmission shaft and the lower end of the transmission shaft is connected to the air guide pipe through a rotary joint, the air guide pipe is connected to an external steam source, so that steam can enter the cavity, and at the same time, the outer side of the transmission shaft is connected to the spiral heating pipe through a connecting pipe, so that steam can enter the heating pipe through the connecting pipe, when the reduction motor drives the transmission shaft to rotate, the connecting pipe and the heating pipe rotate accordingly, so that not only can the materials be mixed, but also the materials can be evenly and quickly heated, and at the same time, the spiral blades can mix the materials and make the materials move downward, and the heating pipe can make the materials move upward, so that the mixing efficiency and the heating efficiency are greatly improved.
[0030] The utility model is provided with an air collecting mechanism, and under the action of an air pump, the waste gas generated by the material in the tank can be pumped into a collecting box, and under the action of a pump body, the biological solution is made to flow back from the bottom of the collecting box to the top of the collecting box along the guide pipe, and at the same time, the refluxed biological solution is evenly sprayed onto the filter element through a water guide plate, so that the rising waste gas can be purified under the action of the filter element and the biological solution on the filter element, and finally the purified waste gas is discharged through an exhaust pipe. BRIEF DESCRIPTION OF THE DRAWINGS
[0031] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0032] Figure 1 It is a schematic diagram of the three-dimensional structure of the mixing equipment embodiment;
[0033] Figure 2 It is a schematic diagram of the main structure of the mixing equipment embodiment;
[0034] Figure 3 It is a front cross-sectional schematic diagram of an embodiment of the mixing equipment;
[0035] Figure 4 The three-dimensional schematic diagram of the connection between the transmission shaft, the heating tube and the spiral piece of the embodiment of the mixing equipment. The symbols in the figure are as follows: 1. tank body; 101. ring plate; 102. support column; 103. top cover; 104. feed pipe; 105. discharge pipe; 2. first mounting frame; 201. storage box; 202. discharge pipe; 3. second mounting frame; 4. reduction motor; 401. transmission shaft; 402. cavity; 403. air guide pipe; 404. connecting pipe; 405. heating tube; 406. connecting rod; 407. spiral piece; 5. fixing plate; 501. collection box; 502. conduit; 503. vacuum pump; 6. pump body; 601. flow guide pipe; 602. water guide plate; 603. filter element. DETAILED DESCRIPTION
[0036] 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 part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.
[0037] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.
[0038] It should also be understood that the terms used in this utility model specification are only for the purpose of describing specific embodiments and are not intended to limit the utility model. As used in this utility model specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.
[0039] It should be further understood that the term “and / or” used in the present specification and the appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.
[0040] See also Figure 1-4As shown, a mixing device for insulating coating comprises: a tank body 1; a top cover 103, the top cover 103 is bolted to the top of the tank body 1; a second mounting frame 3, the second mounting frame 3 is fixedly connected to the middle of the top end of the top cover 103; a reduction motor 4, the reduction motor 4 is fixedly installed inside the second mounting frame 3; a transmission shaft 401, one end of the transmission shaft 401 is fixedly installed with the output end of the reduction motor 4 through a coupling, the other end of the transmission shaft 401 passes through the top cover 103 and the inner bottom wall of the tank body 1 in sequence and extends to the outside, and the lower end of the transmission shaft 401 A cavity 402 is provided in the middle, and the bottom end of the transmission shaft 401 is rotatably connected to the inner bottom wall of the tank body 1 through a sealed bearing; a heating tube 405, which is spirally arranged on the outer side of the lower end of the transmission shaft 401; a plurality of connecting tubes 404, which are fixedly connected between the heating tube 405 and the transmission shaft 401, and the two ends of the connecting tube 404 are respectively connected to the heating tube 405 and the cavity 402; a spiral sheet 407, which is arranged between the heating tube 405 and the inner wall of the tank body 1, and the spiral sheet 407 is connected to the transmission shaft 40 1 is fixedly connected with a plurality of connecting rods 406; an air guide pipe 403, one end of which is rotatably matched with the extended end of the transmission shaft 401 through a rotating joint; by bolting the top cover 103 to the tank body 1, it is convenient to clean and maintain the tank body 1 when it is not in use; at the same time, the air guide pipe 403 is connected to an external steam source, and the external steam can enter the cavity 402 through the air guide pipe 403 and the rotating joint, and then enter the heating tube 405 through the cavity 402 and each connecting pipe 404, so that the steam can pass through the connecting pipe 4 04 and the heating tube 405 heat the material inside the tank body 1; the reduction motor 4 is started by the external controller, and the reduction motor 4 can drive the transmission shaft 401 to rotate through the coupling. When the transmission shaft 401 rotates, it can drive the connecting tube 404, the heating tube 405, the connecting rod 406 and the spiral sheet 407 to rotate, so that the connecting tube 404, the heating tube 405, the connecting rod 406 and the spiral sheet 407 can fully mix the material, and at the same time, the steam can evenly heat the material through the connecting tube 404 and the heating tube 405.
[0041] Specifically, Figure 1-3 As shown, the bottom end of the tank body 1 is arranged in an arc shape, and a ring plate 101 is sleeved on the outer side of the lower end of the tank body 1. The lower surface of the ring plate 101 is fixedly connected with four support columns 102 distributed in a circular array; the bottom end of the tank body 1 is arranged in an arc shape so that there is no dead angle in the tank body 1, which is convenient for mixing and storing materials, and the support columns 102 can ensure the stability of the tank body 1.
[0042] Specifically, Figure 1-3As shown, a feed pipe 104 is fixedly connected to the left side of the upper end of the tank body 1, and a discharge pipe 105 is fixedly connected to the bottom of the tank body 1 and located on one side of the transmission shaft 401. Solenoid valves are installed inside the feed pipe 104 and inside the discharge pipe 105. The opening and closing of the solenoid valves on the feed pipe 104 and the discharge pipe 105 are controlled by an external controller to facilitate the addition and discharge of materials.
[0043] Specifically, Figure 1-3 As shown, a first mounting frame 2 is fixedly connected to the left side of the top of the top cover 103, a storage box 201 is fixedly connected to the upper surface of the first mounting frame 2, a discharge pipe 202 is fixedly connected to the bottom of the storage box 201, and one end of the discharge pipe 202 away from the storage box 201 passes through the first mounting frame 2 and the top cover 103 in sequence and extends to the top of the tank body 1, and a solenoid valve is installed inside the discharge pipe 202; wherein, a hopper for convenient feeding is fixedly connected to the top of the storage box 201, and fillers, additives, etc. can be put into the storage box 201. The solenoid valve on the discharge pipe 202 is controlled by an external controller to enable the material in the storage box 201 to be accurately or regularly delivered.
[0044] Specifically, Figure 3 As shown, an exhaust hole is provided at the top of the heating tube 405, and the height of the heating tube 405 is higher than the height of the feed tube 104; after the external steam enters the heating tube 405 through the cavity 402 and the connecting tube 404, it can be discharged through the exhaust hole and heat the temperature inside the tank body 1 at the same time.
[0045] Specifically, Figure 3-4 As shown, the spiral direction of the spiral blade 407 is opposite to the spiral direction of the heating tube 405. A scraper is fixedly connected to the side of the spiral blade 407 close to the inner wall of the tank body 1. The scraper and the inner wall of the tank body 1 are in sliding cooperation, and the material of the scraper is fluororubber; when the spiral blade 407 rotates, the material can be mixed and the material can be moved downward at the same time, and when the heating tube 405 rotates, the material can be stirred upward, so that the material can be fully mixed. The scraper made of fluororubber can scrape off the material adhered to the inner wall of the tank body 1. At the same time, fluororubber has the characteristics of high temperature resistance, corrosion resistance, and acid resistance, which ensures the service life of the scraper.
[0046] Specifically, Figure 1-3As shown, an air collecting mechanism is provided on the right side of the upper end of the tank body 1, and the air collecting mechanism includes: a fixed plate 5, which is fixedly connected to the right side of the upper end of the tank body 1; a collecting box 501, which is fixedly connected to the upper surface of the fixed plate 5 through four columns; an air pump 503, which is arranged on the front side of the collecting box 501, and the air intake end and the air outlet end of the air pump 503 are fixedly connected to the top cover 103 and the collecting box 501 through a conduit 502 respectively; wherein, a biological solution is injected into the bottom of the collecting box 501, and the biological solution can purify the waste gas. When the temperature in the tank body 1 rises to the set temperature, chemical reactions will occur between various materials and waste gas will be generated. The waste gas generated in the tank body 1 can be collected into the collecting box 501 through the conduit 502 by the air pump 503 to prevent the waste gas from spreading to the outside.
[0047] Specifically, Figure 2-3 As shown, a pump body 6 is fixedly connected to the upper surface of the fixed plate 5 and is located below the collecting box 501. The input end of the pump body 6 is connected to the inside of the bottom end of the collecting box 501, and the output end of the pump body 6 is connected to the inside of the top end of the collecting box 501 through the guide tube 601; the biological solution at the bottom of the collecting box 501 can be pumped out through the pump body 6 and refluxed to the top end of the collecting box 501 through the guide tube 601, so that the refluxed biological solution comes into contact with the exhaust gas.
[0048] Specifically, Figure 3 As shown, one end of the guide tube 601 away from the pump body 6 passes through the top of the collection box 501 and extends to the interior of the collection box 501. The extended end of the guide tube 601 is fixedly connected to a water guide plate 602. The water guide plate 602 is square in shape and a plurality of evenly distributed water guide holes are provided at the bottom of the water guide plate 602. The biological solution refluxed through the pump body 6 can be evenly sprayed into the interior of the collection box 501 through the water guide plate 602, thereby greatly increasing the contact area between the biological solution and the exhaust gas.
[0049] Specifically, Figure 3 As shown, a filter element 603 is installed inside the collection box 501, and the filter element 603 is located between the water guide plate 602 and the conduit 502, and the upper end of the rear side of the collection box 501 is fixedly connected to an exhaust pipe; the biological solution that flows back under the action of the water guide plate 602 can be evenly sprayed onto the filter element 603, and the biological solution can infiltrate the filter element 603 under the action of gravity, wherein the shape of the filter element 603 can be S-shaped, and the exhaust gas can enter the filter element 603 when rising in the collection box 501, and the filter element 603 can prolong the time that the exhaust gas passes through the filter element 603, thereby increasing the contact time and area between the biological solution and the exhaust gas, and greatly improving the purification capacity of the exhaust gas.
[0050] In summary, compared with the prior art, the mixing device has at least the following beneficial effects: the utility model sets a cavity 402 at the lower end of the transmission shaft 401, and the lower end of the transmission shaft 401 is connected to the air guide pipe 403 through a rotating joint, and the air guide pipe 403 is connected to an external steam source, so that steam can enter the cavity 402, and at the same time, the outer side of the transmission shaft 401 is connected to the spiral heating pipe 405 through the connecting pipe 404, so that steam can enter the heating pipe 405 through the connecting pipe 404, and when the reduction motor 4 drives the transmission shaft 401 to rotate, the connecting pipe 404 and the heating pipe 405 rotate accordingly, so that not only the materials can be mixed, but also the materials can be evenly and quickly heated, and at the same time, the spiral blade 407 can mix the materials and make the materials move downward, and the heating pipe 405 can make the materials move upward, which greatly improves the mixing efficiency.
[0051] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. A mixing device for insulating coating, characterized in that: include: Tank body (1); A top cover (103), wherein the top cover (103) is bolted to the top of the tank body (1); A second mounting frame (3), the second mounting frame (3) being fixedly connected to the middle portion of the top end of the top cover (103); A reduction motor (4), wherein the reduction motor (4) is fixedly mounted inside the second mounting frame (3); A transmission shaft (401), one end of the transmission shaft (401) is fixedly mounted to the output end of the reduction motor (4) through a coupling, the other end of the transmission shaft (401) sequentially passes through the top cover (103) and the inner bottom wall of the tank body (1) and extends to the outside, and a cavity (402) is provided in the middle of the lower end of the transmission shaft (401); A heating tube (405), the heating tube (405) is spirally shaped and is arranged outside the lower end of the transmission shaft (401); A plurality of connecting tubes (404), wherein the plurality of connecting tubes (404) are fixedly connected between the heating tube (405) and the transmission shaft (401), and the two ends of the connecting tubes (404) are respectively connected to the heating tube (405) and the cavity (402); A spiral blade (407), wherein the spiral blade (407) is arranged between the heating tube (405) and the inner wall of the tank body (1), and a plurality of connecting rods (406) are fixedly connected between the spiral blade (407) and the transmission shaft (401); An air guide tube (403), one end of which is rotatably matched with the extended end of the transmission shaft (401) via a rotary joint.
2. A mixing device for insulating coating according to claim 1, characterized in that: The bottom end of the tank body (1) is arranged in an arc shape, and a ring plate (101) is sleeved on the outer side of the lower end of the tank body (1), and four support columns (102) distributed in a ring array are fixedly connected to the lower surface of the ring plate (101).
3. A mixing device for insulating coating according to claim 1, characterized in that: A feed pipe (104) is fixedly connected to the left side of the upper end of the tank body (1), and a discharge pipe (105) is fixedly connected to the bottom of the tank body (1) and located on one side of the transmission shaft (401), and electromagnetic valves are installed inside the feed pipe (104) and inside the discharge pipe (105).
4. A mixing device for insulating coating according to claim 1, characterized in that: A first mounting frame (2) is fixedly connected to the left side of the top of the top cover (103); a material storage box (201) is fixedly connected to the upper surface of the first mounting frame (2); a discharge pipe (202) is fixedly connected to the bottom of the material storage box (201); an end of the discharge pipe (202) away from the material storage box (201) passes through the first mounting frame (2) and the top cover (103) in sequence and extends to the top of the tank body (1); and a solenoid valve is installed inside the discharge pipe (202).
5. A mixing device for insulating coating according to claim 1, characterized in that: An exhaust hole is provided at the top of the heating tube (405), and the height of the heating tube (405) is higher than the height of the feeding tube (104).
6. A mixing device for insulating coating according to claim 1, characterized in that: The spiral direction of the spiral blade (407) is opposite to the spiral direction of the heating tube (405); a scraper is fixedly connected to one side of the spiral blade (407) close to the inner wall of the tank body (1); the scraper is in sliding fit with the inner wall of the tank body (1); and the scraper is made of fluororubber.
7. A mixing device for insulating coating according to claim 6, characterized in that: A gas collecting mechanism is provided on the right side of the upper end of the tank body (1), and the gas collecting mechanism comprises: A fixing plate (5), the fixing plate (5) being fixedly connected to the right side of the upper end of the tank body (1); A collection box (501), the collection box (501) being fixedly connected to the upper surface of the fixing plate (5) via four columns; An air extractor (503), wherein the air extractor (503) is arranged at the front side of the collection box (501), and the air suction end and the air outlet end of the air extractor (503) are fixedly connected to the top cover (103) and the collection box (501) through the conduit (502), respectively.
8. A mixing device for insulating coating according to claim 7, characterized in that: A pump body (6) is fixedly connected to the upper surface of the fixing plate (5) and is located below the collecting box (501); the input end of the pump body (6) is connected to the inside of the bottom end of the collecting box (501); and the output end of the pump body (6) is connected to the inside of the top end of the collecting box (501) via a flow guide pipe (601).
9. A mixing device for insulating coating according to claim 8, characterized in that: One end of the flow guide pipe (601) away from the pump body (6) passes through the top of the collection box (501) and extends to the interior of the collection box (501); the extended end of the flow guide pipe (601) is fixedly connected to a water guide plate (602); the water guide plate (602) is arranged in a square shape and a plurality of evenly distributed water guide holes are provided at the bottom of the water guide plate (602).
10. A mixing device for insulating coating according to claim 8, characterized in that: A filter element (603) is installed inside the collection box (501), and the filter element (603) is located between the water guide plate (602) and the guide tube (502). The upper rear end of the collection box (501) is fixedly connected to an exhaust pipe.