Polytetrafluoroethylene calendering device
The cleaning system, which combines an axial flow fan and a plasma generator, solves the problem of electrostatic adsorption of dust and impurities in the polytetrafluoroethylene calendering device, achieves efficient cleaning and filter anti-clogging, and improves cleaning efficiency and product quality.
Patent Information
- Application Number
- CN202423023409.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-09
AI Technical Summary
During the cleaning process of existing polytetrafluoroethylene calendaring devices, electrostatic adsorption makes dust and impurities difficult to remove, and the filter is easily clogged, affecting the cleaning efficiency.
The cleaning system combines an axial flow fan with a plasma generator to remove dust and impurities through circulating airflow, and neutralizes static electricity with plasma air masses. Combined with the inclined filter design, it achieves automatic collection of dust and impurities and prevents filter clogging.
Effectively remove dust and impurities on the surface of materials, avoid electrostatic adsorption, improve cleaning efficiency, reduce filter clogging, and simplify the cleaning process.
Smart Images

Figure CN223466587U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of polytetrafluoroethylene processing, in particular to a polytetrafluoroethylene calendering device. BACKGROUND
[0002] Polytetrafluoroethylene is commonly known as Teflon, which is a high molecular polymer prepared by polymerization of tetrafluoroethylene as a monomer. It has a low surface friction coefficient and good self-lubricating effect, and also has advantages such as high temperature resistance and corrosion resistance. It can be made into strips, plates, films, etc. by a calendering device, and can be applied to corrosion-resistant pipes, containers, pumps, valves, radar, high-frequency communication equipment, radio equipment, etc. with high performance requirements.
[0003] The polytetrafluoroethylene calendering device with the application number 202321861260.9 comprises a rack installed on the ground, a feeding assembly installed on the rack for conveying polytetrafluoroethylene, a calendering assembly installed on the rack for calendering the four edges of the polytetrafluoroethylene, a cleaning assembly installed on the calendering assembly for cleaning the calendered polytetrafluoroethylene, a transmission assembly installed on the rack for driving the polytetrafluoroethylene, and a winding assembly installed on the rack for winding the polytetrafluoroethylene. The utility model has a reasonable structure, and the overall feeding, transmission and calendering can make the product more tidy and improve the quality of the product.
[0004] The technical solution uses a brush to clean the material surface and an air blower to clean the impurities, but some dust and impurities are mainly adsorbed on the material surface due to static electricity, which is very difficult to clean and remove. The friction generated by the mutual collision of the brushes during rotation can exacerbate static electricity, making it difficult to clean the material. Utility model content
[0005] Therefore, the utility model aims to provide a polytetrafluoroethylene calendering device to solve the technical problems mentioned in the background.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a polytetrafluoroethylene calendering device, comprising a device main body, the device main body side is connected with the shell, and the shell inside is connected with the brush through the supporting roller, the shell inside top is respectively provided with the axial flow fan and the filter screen, the shell inside one side is connected with the first conveying groove, and the first conveying groove bottom is connected with the gas collecting hood, the shell inside the other side is connected with the second conveying groove, and the second conveying groove bottom is connected with the spray head, the shell inside is respectively provided with the collection box and the plasma generator, and the plasma generator two sides are connected with the plasma conveying pipe.
[0007] By adopting the technical scheme, after the axial flow fan is started, the airflow passes through the second conveying groove, the nozzle, the brush, the air collecting cover, the first conveying groove and the filter screen in sequence to form a circulating airflow, the airflow is stable and reduces external interference, and the blowing and the suction are integrated, dust and impurities are effectively taken away, the hairs dropped by the brush can be taken away, so that the dust and impurities swept down by the brush can be sent into the upper part of the inside of the shell, then the dust and impurities are blocked by the filter screen to purify the airflow, and the plasma generator sends the plasma air mass into the circulating airflow through the plasma conveying pipe, and the static electricity accumulated on the surface of the brush and the material is neutralized by the plasma air mass, so that the material surface is difficult to clean due to the dust and impurities adsorbed by static electricity, and the dust and impurities are adsorbed on the surface of the filter screen by static electricity. Due to the inclination of one side of the filter screen, the dust and impurities blocked by the surface of the filter screen are more easily dropped into the collecting box under the influence of gravity and the airflow, and the filter screen blocking phenomenon is reduced, and the impurities can be cleaned by taking out the collecting box subsequently.
[0008] Further, the collecting box is detachably connected with the shell.
[0009] By adopting the technical scheme, when the machining operation is finished, the staff can take out the collecting box from the shell, so that the dust and impurities in the collecting box and the filter screen can be cleaned, and the staff only needs to put back the collecting box after cleaning.
[0010] Further, the air collecting cover and the nozzle are both inclined, and the air collecting cover and the nozzle are mirror distributed.
[0011] By adopting the technical scheme, after the axial flow fan is started, the airflow passes through the second conveying groove, the nozzle, the brush, the air collecting cover, the first conveying groove and the filter screen in sequence to form a circulating airflow, the airflow is stable and reduces external interference, and the blowing and the suction are integrated, dust and impurities are effectively taken away, and the hairs dropped by the brush can be taken away, so that the dust and impurities swept down by the brush can be sent into the upper part of the inside of the shell.
[0012] Further, one side of the filter screen is inclined upward, and the other side of the filter screen is in contact with one side of the top of the collecting box.
[0013] By adopting the technical scheme, due to the inclination of one side of the filter screen, the dust and impurities blocked by the surface of the filter screen are more easily dropped into the collecting box under the influence of gravity and the airflow, and the filter screen blocking phenomenon is reduced, and the impurities can be cleaned by taking out the collecting box subsequently.
[0014] Further, the first conveying groove and the second conveying groove are respectively connected with two plasma conveying pipes.
[0015] Through the above technical scheme, the plasma generator sends the plasma air mass into the circulating air flow through the plasma conveying pipe, and the static electricity accumulated on the brush and the material surface is neutralized by the plasma air mass, so that the material surface is difficult to clean due to the static adsorption of dust and impurities, and the dust and impurities are avoided from being adsorbed on the surface of the filter screen by static electricity.
[0016] Further, the device body is connected with an access door, the device body is connected with a plurality of calender rollers, and the plurality of calender rollers are connected with materials, the back of each of the plurality of calender rollers is connected with a first pulley, a plurality of first belts are connected between the plurality of first pulleys, a motor is installed on one side of the top of the device body, and the output end of the motor is connected with one of the calender rollers.
[0017] Through the above technical scheme, the worker opens the access door and passes the materials through the shell, the device body and the calender rollers, then the worker starts the motor, the axial flow fan and the plasma generator, and closes the access door, the output end of the motor drives one of the calender rollers to rotate after the motor is started, the plurality of first pulleys cooperate with the plurality of first belts to drive the plurality of calender rollers to rotate, and the plurality of calender rollers convey and process the materials after rotating.
[0018] Further, the bottom of the brush is attached to the top of the material.
[0019] Through the above technical scheme, the support roller drives the brush to rotate, so that the dust and impurities attached to the material can be easily cleaned, and the cleanliness of the material is improved.
[0020] Further, the back of the support roller and one side of the back of the shell are connected with gears, and the back of one of the gears and the outside of one of the calender rollers are connected with second pulleys, and the two second pulleys are connected with a second belt.
[0021] Through the above technical scheme, while the plurality of calender rollers rotate, one of the calender rollers is driven to rotate the gear on one side of the back of the shell through the second pulley and the second belt, and then the support roller drives the brush to rotate through the meshing transmission of the two gears, and since the gears are externally meshed, the transmission directions are opposite, so the transportation direction of the material is opposite to the rotation direction of the brush.
[0022] Further, the diameter of the gear on the back of the support roller is smaller than the diameter of the gear on one side of the back of the shell, and the two gears are meshed.
[0023] Through the above technical scheme, since the two gears are large and small to form an acceleration mechanism, the rotation speed of the brush is accelerated, so that the cleaning efficiency is increased.
[0024] In summary, the utility model mainly has the following beneficial effects:
[0025] The utility model discloses a brush, collection box, filter screen, axial flow fan and plasma generator's setting, the axial flow fan starts and the air current passes through second delivery groove, shower nozzle, brush, gas collecting hood, first delivery groove and filter screen formation circulation air current in proper order, and the air current is stable and reduces the outside interference set and blows and draws as a whole, effectively takes away dust impurity, and can take away the hair of brush drop, to facilitate the dust and impurity that brush sweeps down is sent into the shell inside upper portion, after filter screen dust and impurity block purification air current, and plasma generator passes through the plasma delivery pipe and sends the plasma air mass into circulation air current, and the electrostatic of brush and material surface area storage is neutralized through the plasma air mass, thereby avoiding the material surface because of electrostatic adsorption dust impurity leads to difficultly cleaning, and avoiding dust impurity through electrostatic adsorption on the filter screen surface, and because the filter screen one side is inclined, makes the dust and impurity that filter screen surface blocks more easily drop into the collection box under the influence of gravity and air current push, reduces filter screen blockage phenomenon to occur, only needs to take out the collection box after - succession and can clean the impurity. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 It is the structure schematic diagram of the utility model;
[0027] Figure 2 It is the back structure schematic diagram of the utility model;
[0028] Figure 3 It is the device main body structure schematic diagram of the utility model;
[0029] Figure 4 It is the shell cross section structure schematic diagram of the utility model.
[0030] In the drawing: 1, device main body;2, access door;3, material;4, motor;5, first pulley;6, first belt;7, calender roll;8, shell;9, support roller;10, brush;11, collection box;12, gas collecting hood;13, first delivery groove;14, shower nozzle;15, second delivery groove;16, axial flow fan;17, filter screen;18, plasma generator;19, plasma delivery pipe;20, second pulley;21, second belt;22, gear. DETAILED DESCRIPTION
[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings of the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.
[0032] The embodiments will be described below according to the overall structure of the utility model.
[0033] Embodiment one:
[0034] A polytetrafluoroethylene calendaring device, such as Figures 1-4 As shown, it includes a device body 1, one side of the device body 1 is connected to a shell 8, the inside of the shell 8 is connected to a brush 10 through a support roller 9, the bottom of the brush 10 is in contact with the top of the material 3, and the support roller 9 drives the brush 10 to rotate to clean the material 3; an axial flow fan 16 and a filter 17 are respectively provided on the upper part of the shell 8, one side of the filter 17 is inclined upward, and the other side of the filter 17 is in contact with the top side of the collection box 11, one side of the shell 8 is connected to a first conveying trough 13, the bottom of the first conveying trough 13 is connected to an air collecting hood 12, and the other side of the shell 8 is connected to a second conveying trough 15, the first conveying trough 13 and the second conveying trough 15 are respectively connected to two plasma conveying tubes 19, the bottom of the second conveying trough 15 is connected to a nozzle 14, the gas collecting hood 12 and the nozzle 14 are both inclined, and the gas collecting hood 12 and the nozzle 14 are mirror images. Like distribution, after the axial flow fan 16 is started, the air flow passes through the second conveying trough 15, the nozzle 14, the brush 10, the air collecting hood 12, the first conveying trough 13 and the filter 17 in sequence to form a circulating air flow. The air flow is stable and reduces external interference, integrating blowing and suction into one, effectively taking away dust and impurities, and can take away the hair dropped by the brush 10, so as to facilitate the dust and impurities swept down by the brush 10 to be sent to the upper part of the interior of the shell 8; a collecting box 11 and a plasma generator 18 are respectively provided inside the shell 8, and the collecting box 11 is detachably connected to the shell 8, and a plasma conveying pipe 19 is connected on both sides of the plasma generator 18. The static electricity accumulated on the surface of the brush 10 and the material 3 is neutralized by the plasma gas mass, thereby avoiding the difficulty in cleaning the surface of the material 3 due to electrostatic adsorption of dust and impurities, and avoiding the dust and impurities being adsorbed on the surface of the filter 17 through electrostatic adsorption.
[0035] See Figures 1-3 In the above embodiment, an inspection door 2 is connected to the outer surface of the device body 1. The staff opens the inspection door 2 and then passes the material 3 through the outer shell 8, the device body 1 and the calendering roller 7; a plurality of calendering rollers 7 are connected inside the device body 1, and the material 3 is connected between the plurality of calendering rollers 7. After the plurality of calendering rollers 7 rotate, the material 3 is transported and processed; the backs of the plurality of calendering rollers 7 are connected to first pulleys 5, and the plurality of first belts 6 are connected between the plurality of first pulleys 5. A motor 4 is installed on one side of the top of the device body 1, and the output end of the motor 4 is connected to a calendering roller 7. After the motor 4 is started, the output end drives a calendering roller 7 to rotate. At this time, the transmission is carried out through the plurality of first pulleys 5 in cooperation with the plurality of first belts 6, thereby causing the plurality of calendering rollers 7 to rotate.
[0036] Example 2:
[0037] On the basis of the above embodiment 1, in order to facilitate the calendering roller 7 to move synchronously with the support roller 9 and the brush 10, the following settings are adopted.
[0038] See Figure 2In the above embodiment, the gear 22 is connected to the back of the supporting roller 9 and the back of the shell 8, the diameter of the gear 22 on the back of the supporting roller 9 is smaller than the diameter of the gear 22 on the back of the shell 8, the two gears 22 are engaged, the second pulley 20 is connected to the back of one of the gears 22 and the outside of one of the calender rollers 7, the second belt 21 is connected between the two second pulleys 20, while the plurality of calender rollers 7 rotates, one of the calender rollers 7 drives the gear 22 on the back of the shell 8 to rotate through the second pulley 20 and the second belt 21, then the supporting roller 9 drives the brush 10 to rotate through the engagement of the two gears 22, and since the gears 22 are engaged externally, the transmission directions are opposite, so the transportation direction of the material 3 is opposite to the rotation direction of the brush 10, and since the two gears 22 are large and small, an acceleration mechanism is formed to increase the cleaning efficiency.
[0039] The implementation principle of the utility model is as follows: first, the staff opens the access door 2 and then passes the material 3 through the shell 8, the device main body 1 and the calender roller 7, at this time the staff starts the motor 4, the axial flow fan 16 and the plasma generator 18 and then closes the access door 2, the motor 4 drives one of the calender rollers 7 to rotate after starting, at this time the plurality of first pulleys 5 drives the plurality of first belts 6 to rotate, so that the plurality of calender rollers 7 rotates, the plurality of calender rollers 7 transports and processes the material 3 after rotating, and the specific calender principle is the conventional means in the prior art, so the technical scheme is not described in detail.
[0040] While the plurality of calender rollers 7 rotates, one of the calender rollers 7 drives the gear 22 on the back of the shell 8 to rotate through the second pulley 20 and the second belt 21, then the supporting roller 9 drives the brush 10 to rotate through the engagement of the two gears 22, and since the gears 22 are engaged externally, the transmission directions are opposite, so the transportation direction of the material 3 is opposite to the rotation direction of the brush 10, and since the two gears 22 are large and small, an acceleration mechanism is formed to increase the cleaning efficiency.
[0041] The air flow passes through the second conveying groove 15, the spray head 14, the brush 10, the air collecting cover 12, the first conveying groove 13 and the filter screen 17 in sequence to form a circulating air flow after the axial flow fan 16 is started, the air flow is stable and reduces external interference, the blowing and suction are integrated, dust and impurities are effectively taken away, and the hair dropped by the brush 10 can be taken away, so that the dust and impurities swept down by the brush 10 are sent into the upper part of the shell 8, then the dust and impurities are blocked from the purified air flow by the filter screen 17, and the plasma generator 18 sends the plasma air group into the circulating air flow through the plasma conveying pipe 19, the static electricity accumulated on the surface of the brush 10 and the material 3 is neutralized by the plasma air group, so that the material 3 surface is difficult to clean due to the dust and impurities adsorbed by static electricity, and the dust and impurities are adsorbed on the surface of the filter screen 17 by static electricity, at the same time, due to the fact that one side of the filter screen 17 is inclined, the dust and impurities blocked by the surface of the filter screen 17 are more easily dropped into the collecting box 11 under the influence of gravity and the air flow, the filter screen 17 is reduced from being blocked, and only the collecting box 11 needs to be taken out to clean the impurities.
[0042] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and the person skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.
Claims
1. A polytetrafluoroethylene calendering device comprising a device body (1), characterized in that: The device body (1) one side is connected with the shell (8), and the shell (8) inside is connected with the brush (10) through the supporting roller (9), the shell (8) inside top is provided with the axial flow fan (16) and the filter screen (17) respectively, the shell (8) inside one side is connected with the first conveying groove (13), and the first conveying groove (13) bottom is connected with the gas collecting hood (12), the shell (8) inside the other side is connected with the second conveying groove (15), and the second conveying groove (15) bottom is connected with the spray head (14), the shell (8) inside is provided with the collection box (11) and the plasma generator (18) respectively, and the plasma generator (18) both sides are connected with the plasma conveying pipe (19).
2. The polytetrafluoroethylene calendering device of claim 1, wherein: The collection box (11) is detachably connected with the shell (8).
3. The polytetrafluoroethylene calendering apparatus according to claim 1, characterized by: The gas collecting hood (12) and the spray head (14) are both inclinedly arranged, and the gas collecting hood (12) and the spray head (14) are mirror image distributed.
4. The polytetrafluoroethylene calendering apparatus according to claim 2, characterized by: The filter screen (17) one side is inclined upward, and the filter screen (17) other side is in contact with the collection box (11) top one side.
5. The polytetrafluoroethylene calendering apparatus according to claim 1, characterized by: The first conveying groove (13) and the second conveying groove (15) are respectively communicated with two plasma conveying pipes (19).
6. The polytetrafluoroethylene calendering apparatus according to claim 1, characterized by: The device body (1) outer surface is connected with the access door (2), the device body (1) inside is connected with a plurality of calender rollers (7), and a plurality of calender rollers (7) are connected with the material (3), a plurality of the calender roller (7) back is connected with the first pulley (5), and a plurality of first pulleys (5) are connected with a plurality of first belts (6), the device body (1) top one side is mounted with the motor (4), and the motor (4) output end is connected with one calender roller (7).
7. The polytetrafluoroethylene calendering device of claim 6, wherein: The brush (10) bottom is attached with the material (3) top.
8. The polytetrafluoroethylene calendering device of claim 6, wherein: The supporting roller (9) back and the shell (8) back one side are both connected with the gear (22), and one gear (22) back and one calender roller (7) outside are both connected with the second pulley (20), two second pulleys (20) are connected with the second belt (21).
9. The polytetrafluoroethylene calendering apparatus according to claim 8, characterized by: The diameter of the supporting roller (9) back gear (22) is less than the diameter of the shell (8) back one side gear (22), and the two gears (22) are engaged.
Citation Information
Patent Citations
Polytetrafluoroethylene calendering device
CN220534738U