Production device of polyvinyl alcohol interior wall coating

Abstract

The utility model discloses a production device of polyvinyl alcohol interior wall paint, and relates to the technical field of interior wall paint production equipment. The device comprises a fixed frame and a heating cylinder, a pressure relief mechanism and a stirring mechanism are arranged on a heat insulation shell, and the pressure relief mechanism comprises an automatic pressure relief assembly, a manual pressure relief assembly and a filtering assembly; the automatic pressure relief assembly comprises a stirring barrel fixedly connected to the inner wall of the heating barrel, a sealing sleeve is fixedly connected to the top surface of the stirring barrel, a piston is slidably connected to the inner wall of the sealing sleeve, a plurality of fixing blocks are fixedly connected to the inner wall of the sealing sleeve, and a sliding rod is fixedly connected between every two fixing blocks; the sliding rods are connected with the piston in a sliding mode, springs are wound on the two sliding rods, and two vent holes are formed in the sealing sleeve. Through the arrangement of the pressure relief mechanism, the whole equipment is kept in a relatively safe pressure range in the heating and melting process, so that the safety is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of interior wall paint production equipment, in particular to a production device for polyvinyl alcohol interior wall paint. Background Art

[0002] In the prior art, after searching, it was found that a Chinese patent disclosed "a production device for polyvinyl alcohol interior wall paint", and its application number is "CN202020135876.8". This patent can mainly prevent the stirring rod from rotating along the same trajectory when it rotates, which not only improves the production efficiency of the material polyvinyl alcohol interior wall paint, but also can avoid the uneven heating of polyvinyl alcohol during the heating and stirring process. The impact of the later use effect of the polyvinyl alcohol interior wall paint brings convenience to the staff.

[0003] However, a large amount of gas will be generated during the heating and stirring process of polyvinyl alcohol. These gases will accumulate rapidly in the heating cylinder. As the amount of gas increases, the air pressure will also increase sharply. The sudden increase in air pressure will not only affect the quality control of the heating and stirring process, but also bring great safety hazards to the equipment. Once the high-pressure gas leaks, it is likely to cause explosions and accidents. Utility Model Content

[0004] The utility model aims to provide a production device for polyvinyl alcohol interior wall coating. By providing a pressure relief mechanism, automatic adjustment and control of the pressure in the heating cylinder can be achieved, so that the entire equipment is maintained in a relatively safe pressure range during the heating and melting process, thereby improving work efficiency and safety, and solving the problem that a large amount of gas will be generated during the heating and stirring process of polyvinyl alcohol, and the air pressure will increase sharply accordingly. The sudden increase in air pressure will not only affect the quality control of the heating and stirring process, but also bring great safety hazards to the equipment.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a production device for polyvinyl alcohol interior wall paint, comprising a fixed frame and a heating cylinder, wherein a pressure relief mechanism and a stirring mechanism are arranged on the heating cylinder, and the pressure relief mechanism comprises an automatic pressure relief component, a manual pressure relief component and a filtering component;

[0007] The automatic pressure relief assembly includes a mixing drum fixedly connected to the inner wall of the heating drum, a sealing sleeve fixedly connected to the top surface of the mixing drum, a piston slidably connected to the inner wall of the sealing sleeve, a plurality of fixed blocks fixedly connected to the inner wall of the sealing sleeve, a sliding rod fixedly connected between two of the fixed blocks, the sliding rod passes through the piston, the sliding rod is slidably connected to the piston, springs are wound around the two sliding rods, the bottom end of the spring is fixedly connected to the top surface of the piston, the end of the spring away from the piston is fixedly connected to the fixed block, and two ventilation holes are provided on the sealing sleeve.

[0008] Furthermore, the manual pressure relief assembly includes a connecting rod fixedly connected to the top surface of the piston, a connecting sleeve fixedly connected to the sealing sleeve, a top end of the connecting rod extends above the connecting sleeve, the connecting rod is slidably connected to the connecting sleeve, and the connecting rod is slidably connected to the sealing sleeve.

[0009] Furthermore, the filter assembly includes a plurality of ventilation pipes fixedly connected to the connecting sleeve, and a connecting cover is provided on the side surface of the plurality of ventilation pipes away from the connecting sleeve, an activated carbon filter is fixedly connected to the connecting cover, an internal thread is provided on the inner wall of the ventilation pipe, and an external thread is provided on the connecting cover, and the internal thread is adapted to match the external thread.

[0010] Furthermore, the stirring mechanism includes a heating component, a stirring component and a discharging component. The heating component includes a groove opened inside the heating cylinder. The inner wall of the groove is fixedly connected with a heating ring. The heating cylinder and the stirring cylinder are both made of heat-conducting material.

[0011] Furthermore, the stirring assembly includes a motor fixedly connected to the top surface of the stirring drum, the output end of the motor is fixedly connected to a rotating rod, a plurality of stirring rods are fixedly connected to the rotating rod, a scraper is fixedly connected to one end of the stirring rods away from the rotating rods, and the scraper is slidably connected to the inner wall of the stirring drum.

[0012] Furthermore, the discharge assembly includes a feed port fixedly connected to the top surface of the mixing drum, a sealing cover is provided on the top surface of the feed port, and a discharge port is fixedly connected to the bottom surface of the mixing drum.

[0013] The utility model has the following beneficial effects:

[0014] 1. By setting up a pressure relief mechanism, the slide rod and the spring cooperate with each other. When the material in the heating cylinder is heated and melted, a large amount of gas will be generated, so that the pressure in the heating cylinder will increase suddenly. At the same time, the gas will flow into the sealing sleeve, and the piston will move upward along the slide rod. When the piston moves to the top of the vent hole, it can automatically release the pressure. After the pressure decreases, due to the reset effect of the spring, the piston slowly drops. The device has a certain automatic pressure relief effect, which can realize the automatic adjustment and control of the pressure in the heating cylinder, so that the whole equipment is kept in a relatively safe pressure range during the heating and melting process, thereby improving work efficiency and safety. Safety, and when it is necessary to add raw materials into the mixing drum, and the pressure in the mixing drum is too high to be automatically released in time, the connecting rod can be manually pulled upwards to lift the piston above the vent hole for manual pressure relief, to avoid excessive pressure when the sealing cover is opened and cause harm to the operator; the gas automatically or manually released flows into the connecting sleeve, and is discharged after filtering out harmful gases through the activated carbon filter, to avoid harmful gases generated during heating from polluting the air, and the internal thread and the external thread cooperate with each other, so that the connecting cover can be disassembled and replaced, and the activated carbon filter can be replaced after long-term use, thereby maintaining a long-term and effective filtering effect.

[0015] 2. By setting up a stirring mechanism, the heating ring can heat and melt the material in the mixing drum. When the motor drives the rotating rod to rotate, the stirring rod can stir the melted polyvinyl alcohol material to accelerate the melting efficiency and improve the production efficiency. At the same time, the scraper can scrape and clean the mixing drum to avoid the melted material from sticking to the inner wall of the mixing drum, ensuring the stirring and transmission of materials in the subsequent production process and ensuring product quality. The sealing cover cooperates with the discharge port. After adding the material, the sealing cover can be covered to make the mixing drum in a sealed state, thereby generating air pressure in the process of heating and melting, which can not only accelerate the melting efficiency, but also concentrate the generated gas for subsequent processing.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a schematic diagram of the overall structure of a production device for polyvinyl alcohol interior wall paint according to the utility model;

[0019] Figure 2It is a schematic diagram of the cross-sectional structure of a heating cylinder of a production device of polyvinyl alcohol interior wall paint of the utility model;

[0020] Figure 3 It is a schematic diagram of the cross-sectional structure of a sealing sleeve of a production device of polyvinyl alcohol interior wall paint according to the utility model;

[0021] Figure 4 The utility model is a production device for polyvinyl alcohol interior wall coating Figure 3 A schematic diagram of the enlarged structure at A in the middle;

[0022] Figure 5 The utility model is a production device for polyvinyl alcohol interior wall coating Figure 3 Schematic diagram of the enlarged structure at point B in the middle.

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

[0024] Fixed frame; 2. Heating cylinder; 3. Stirring cylinder; 4. Pressure relief mechanism; 5. Stirring mechanism; 41. Sealing sleeve; 42. Piston; 43. Fixed block; 44. Sliding rod; 45. Spring; 46. Vent hole; 47. Connecting sleeve; 48. Vent pipe; 49. Connecting rod; 51. Groove; 52. Heating ring; 53. Motor; 54. Rotating rod; 55. Stirring rod; 56. Scraper; 57. Feed inlet; 58. Sealing cover; 59. Discharge port; 481. Connecting cover; 482. Activated carbon filter; 483. Internal thread; 484. External thread. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments 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.

[0026] See also Figure 1-5 As shown, the utility model is a production device for polyvinyl alcohol interior wall paint, comprising a fixed frame 1 and a heating cylinder 2, the heating cylinder 2 is provided with a pressure relief mechanism 4 and a stirring mechanism 5, the pressure relief mechanism 4 comprises an automatic pressure relief component, a manual pressure relief component and a filtering component;

[0027] The automatic pressure relief assembly includes a mixing drum 3 fixedly connected to the inner wall of the heating drum 2, a sealing sleeve 41 fixedly connected to the top surface of the mixing drum 3, a piston 42 slidably connected to the inner wall of the sealing sleeve 41, a plurality of fixed blocks 43 fixedly connected to the inner wall of the sealing sleeve 41, a sliding rod 44 fixedly connected between two fixed blocks 43, the sliding rod 44 penetrates the piston 42, the sliding rod 44 is slidably connected to the piston 42, springs 45 are wound around the two sliding rods 44, the bottom end of the spring 45 is fixedly connected to the top surface of the piston 42, the end of the spring 45 away from the piston 42 is fixedly connected to the fixed block 43, and two vents 46 are provided on the sealing sleeve 41.

[0028] Among them Figure 3 As shown, the manual pressure relief assembly includes a connecting rod 49 fixedly connected to the top surface of the piston 42, a connecting sleeve 47 fixedly connected to the sealing sleeve 41, the top end of the connecting rod 49 extends to the top of the connecting sleeve 47, the connecting rod 49 is slidably connected to the connecting sleeve 47, and the connecting rod 49 is slidably connected to the sealing sleeve 41.

[0029] By providing a manual pressure relief assembly, when raw materials need to be added into the mixing drum 3 and the pressure in the mixing drum 3 is too high to be automatically relieved in time, the connecting rod 49 can be manually pulled upward to lift the piston 42 to above the vent hole 46 for manual pressure relief, thereby avoiding excessive pressure when the sealing cover 58 is opened to cause harm to the operator.

[0030] Among them Figure 3 and Figure 5 As shown, the filter assembly includes a plurality of ventilation pipes 48 fixedly connected to a connecting sleeve 47, a connecting cover 481 is provided on the side surface of the plurality of ventilation pipes 48 away from the connecting sleeve 47, an activated carbon filter sheet 482 is fixedly connected to the connecting cover 481, an internal thread 483 is provided on the inner wall of the ventilation pipe 48, an external thread 484 is provided on the connecting cover 481, and the internal thread 483 is adapted to the external thread 484.

[0031] By providing a filter assembly, the gas released automatically or manually flows into the connecting sleeve 47, and is discharged after filtering out harmful gases through the activated carbon filter 482, thereby preventing the harmful gases generated during heating from polluting the air. The internal thread 483 cooperates with the external thread 484, so that the connecting cover 481 can be disassembled and replaced, and the activated carbon filter 482 can be replaced after long-term use, thereby maintaining a long-term and effective filtering effect.

[0032] Among them Figure 2 As shown, the stirring mechanism 5 includes a heating component, a stirring component and a discharging component. The heating component includes a groove 51 opened inside the heating cylinder 2. The inner wall of the groove 51 is fixedly connected with a heating ring 52. The heating cylinder 2 and the stirring cylinder 3 are both made of heat-conducting materials.

[0033] By providing the heating assembly, the heating ring 52 can heat and melt the material in the mixing drum 3 .

[0034] Among them Figure 2 As shown, the stirring assembly includes a motor 53 fixedly connected to the top surface of the stirring drum 3, the output end of the motor 53 is fixedly connected to a rotating rod 54, a plurality of stirring rods 55 are fixedly connected to the rotating rod 54, a scraper 56 is fixedly connected to one end of the plurality of stirring rods 55 away from the rotating rod 54, and the scraper 56 is slidably connected to the inner wall of the stirring drum 3.

[0035] By providing a stirring assembly, when the motor 53 drives the rotating rod 54 to rotate, the stirring rod 55 can stir the melted polyvinyl alcohol material to accelerate the melting efficiency and improve the production efficiency. At the same time, the scraper 56 can scrape and clean the stirring drum 3 to prevent the melted material from sticking to the inner wall of the stirring drum 3, thereby ensuring the stirring and transmission of the materials in the subsequent production process and ensuring the product quality.

[0036] Among them Figure 2 As shown, the discharge assembly includes a feed port 57 fixedly connected to the top surface of the mixing drum 3 , a sealing cover 58 is provided on the top surface of the feed port 57 , and a discharge port 59 is fixedly connected to the bottom surface of the mixing drum 3 .

[0037] By providing a discharge assembly, the sealing cover 58 and the discharge port 59 cooperate with each other. After the material is added, the sealing cover 58 can be covered to make the mixing drum 3 in a sealed state, thereby generating air pressure during the heating and melting process, which can not only speed up the melting efficiency, but also concentrate the generated gas for subsequent processing.

[0038] A specific application of this embodiment is: by providing a pressure relief mechanism 4, the slide bar 44 and the spring 45 cooperate with each other, when the material in the heating tube 2 is heated and melted, a large amount of gas will be generated, so that the pressure in the heating tube 2 will increase suddenly, and at the same time, the gas will flow into the sealing sleeve 41, and the piston 42 will be squeezed to move upward along the slide bar 44. When the piston 42 moves to the top of the vent hole 46, it can automatically release the pressure. After the pressure decreases, due to the reset effect of the spring 45, the piston 42 slowly descends. The device has a certain automatic pressure relief effect, which can realize the automatic adjustment and control of the pressure in the heating tube 2, so that the whole device is kept in a relatively safe pressure range during the heating and melting process, thereby improving the working efficiency. The efficiency and safety are improved. When it is necessary to add raw materials into the mixing drum 3 and the pressure in the mixing drum 3 is too high to be automatically relieved in time, the connecting rod 49 can be manually pulled upward to lift the piston 42 above the vent hole 46 for manual pressure relief, so as to avoid the excessive pressure when the sealing cover 58 is opened and cause harm to the operator. The gas released by automatic or manual pressure relief flows into the connecting sleeve 47, and is discharged after filtering out harmful gases through the activated carbon filter 482, so as to avoid the harmful gases generated during heating from polluting the air. The internal thread 483 cooperates with the external thread 484, so that the connecting cover 481 can be disassembled and replaced, and the activated carbon filter 482 can be replaced after long-term use, so as to maintain a long-term and effective filtering effect.

[0039] By providing a stirring mechanism 5, the heating ring 52 can heat and melt the material in the stirring drum 3. When the motor 53 drives the rotating rod 54 to rotate, the stirring rod 55 can stir the melted polyvinyl alcohol material to accelerate the melting efficiency and improve the production efficiency. At the same time, the scraper 56 can scrape and clean the stirring drum 3 to prevent the melted material from sticking to the inner wall of the stirring drum 3, thereby ensuring the stirring and transmission of the materials in the subsequent production process and ensuring the product quality. The sealing cover 58 and the discharge port 59 cooperate with each other. After the material is added, the sealing cover 58 can be covered to make the stirring drum 3 in a sealed state, thereby generating air pressure in the process of heating and melting, which can not only accelerate the melting efficiency, but also concentrate the generated gas for subsequent processing.

[0040] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A production device for polyvinyl alcohol interior wall paint, comprising a fixed frame (1) and a heating cylinder (2), characterized in that: The heating cylinder (2) is provided with a pressure relief mechanism (4) and a stirring mechanism (5), and the pressure relief mechanism (4) comprises an automatic pressure relief component, a manual pressure relief component and a filtering component; The automatic pressure relief assembly comprises a mixing drum (3) fixedly connected to the inner wall of the heating drum (2); a sealing sleeve (41) is fixedly connected to the top surface of the mixing drum (3); a piston (42) is slidably connected to the inner wall of the sealing sleeve (41); a plurality of fixed blocks (43) are fixedly connected to the inner wall of the sealing sleeve (41); a sliding rod (44) is fixedly connected between two of the fixed blocks (43); the sliding rod (44) passes through the piston (42); the sliding rod (44) is slidably connected to the piston (42); a spring (45) is wound around the two sliding rods (44); the bottom end of the spring (45) is fixedly connected to the top surface of the piston (42); one end of the spring (45) away from the piston (42) is fixedly connected to the fixed block (43); and two vent holes (46) are provided on the sealing sleeve (41).

2. A production device for polyvinyl alcohol interior wall paint according to claim 1, characterized in that: The manual pressure relief assembly comprises a connecting rod (49) fixedly connected to the top surface of the piston (42); a connecting sleeve (47) is fixedly connected to the sealing sleeve (41); a top end of the connecting rod (49) extends above the connecting sleeve (47); the connecting rod (49) is slidably connected to the connecting sleeve (47); and the connecting rod (49) is slidably connected to the sealing sleeve (41).

3. A production device for polyvinyl alcohol interior wall paint according to claim 2, characterized in that: The filter assembly comprises a plurality of ventilation pipes (48) fixedly connected to a connecting sleeve (47); a connecting cover (481) is provided on a surface of the plurality of ventilation pipes (48) on a side away from the connecting sleeve (47); an activated carbon filter sheet (482) is fixedly connected to the connecting cover (481); an internal thread (483) is provided on an inner wall of the ventilation pipe (48); an external thread (484) is provided on the connecting cover (481); the internal thread (483) is matched with the external thread (484).

4. A production device for polyvinyl alcohol interior wall paint according to claim 3, characterized in that: The stirring mechanism (5) comprises a heating component, a stirring component and a discharging component. The heating component comprises a groove (51) opened inside the heating cylinder (2). A heating ring (52) is fixedly connected to the inner wall of the groove (51). The heating cylinder (2) and the stirring cylinder (3) are both made of heat-conducting material.

5. A production device for polyvinyl alcohol interior wall paint according to claim 4, characterized in that: The stirring assembly comprises a motor (53) fixedly connected to the top surface of the stirring drum (3); the output end of the motor (53) is fixedly connected to a rotating rod (54); a plurality of stirring rods (55) are fixedly connected to the rotating rod (54); a scraper (56) is fixedly connected to one end of the plurality of stirring rods (55) away from the rotating rod (54); and the scraper (56) is slidably connected to the inner wall of the stirring drum (3).

6. A production device for polyvinyl alcohol interior wall paint according to claim 5, characterized in that: The discharge assembly comprises a feed port (57) fixedly connected to the top surface of the mixing drum (3), a sealing cover (58) is provided on the top surface of the feed port (57), and a discharge port (59) is fixedly connected to the bottom surface of the mixing drum (3).

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