CN117443648A - Environment-friendly pressure-sensitive adhesive tape coating machine and process thereof - Google Patents
Environment-friendly pressure-sensitive adhesive tape coating machine and process thereof Download PDFInfo
- Publication number
- CN117443648A CN117443648A CN202311787654.9A CN202311787654A CN117443648A CN 117443648 A CN117443648 A CN 117443648A CN 202311787654 A CN202311787654 A CN 202311787654A CN 117443648 A CN117443648 A CN 117443648A
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- China
- Prior art keywords
- overflow
- sensitive adhesive
- strip
- base material
- pressure
- Prior art date
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- Granted
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- 239000004820 Pressure-sensitive adhesive Substances 0.000 title claims abstract description 99
- 238000000576 coating method Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000011248 coating agent Substances 0.000 title claims abstract description 27
- 230000008569 process Effects 0.000 title abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 92
- 239000000758 substrate Substances 0.000 claims abstract description 77
- 238000001035 drying Methods 0.000 claims abstract description 32
- 238000005507 spraying Methods 0.000 claims abstract description 24
- 238000001125 extrusion Methods 0.000 claims abstract description 8
- 230000009471 action Effects 0.000 claims description 17
- 238000004804 winding Methods 0.000 claims description 13
- 230000033001 locomotion Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 239000003344 environmental pollutant Substances 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 231100000719 pollutant Toxicity 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 230000002265 prevention Effects 0.000 abstract description 8
- 239000002390 adhesive tape Substances 0.000 abstract description 2
- 239000003292 glue Substances 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
Landscapes
- Coating Apparatus (AREA)
Abstract
The invention relates to the technical field of adhesive tape coating, in particular to an environment-friendly pressure-sensitive adhesive tape coating machine and a process thereof; the device comprises a machine body, and an unreeling roller, a first guide roller, a spraying assembly, a drying assembly, a second guide roller and a reeling roller which are sequentially arranged on the inner side of the machine body; the method is characterized in that: the spraying assembly and the drying assembly are provided with an overflow-preventing assembly; the overflow prevention assembly comprises an overflow prevention strip and an overflow prevention wheel at one side of the overflow prevention strip, which is close to the base material; a rotating hole is formed in one side, close to the base material, of the overflow-preventing strip; the rotating rod is rotationally connected with the rotating hole; the overflow preventing wheel is fixedly connected to one end of the rotating rod; according to the invention, the overflow-preventing wheel is rolled and extruded on the lower surface of the edge of the substrate coated with the pressure-sensitive adhesive, so that the edge of the substrate is tilted upwards under the extrusion of the overflow-preventing wheel, the pressure-sensitive adhesive on the upper surface of the substrate is not easy to overflow and drip from the edge, the pressure-sensitive adhesive on the substrate flows more uniformly under the vibration of the substrate, and the coating effect of the environment-friendly pressure-sensitive adhesive tape is improved.
Description
Technical Field
The invention relates to the technical field of adhesive tape coating, in particular to an environment-friendly pressure-sensitive adhesive tape coating machine and a process thereof.
Background
The pressure-sensitive adhesive tape is composed of a tape-shaped base material and a pressure-sensitive adhesive coated on the tape-shaped base material, and the pressure-sensitive adhesive is the most important component of the pressure-sensitive adhesive tape and is used for providing the pressure-sensitive adhesive tape with pressure-sensitive adhesive properties. The pressure-sensitive adhesive can be coated on the surface of the base material under the action of spraying or rolling coating, the base material with the pressure-sensitive adhesive can enter the drying assembly for drying or curing under the transmission, and finally the pressure-sensitive adhesive tape is formed by rolling.
In the process that the existing pressure-sensitive adhesive is coated on a substrate, the coating layer often has the problem of non-uniformity, and in the process that the substrate coated with the pressure-sensitive adhesive moves from a coating position to a drying position, glue close to the edge of the substrate is easy to overflow, so that the pressure-sensitive adhesive is wasted and the working environment is messy; vibration or shaking of the substrate is inevitably formed during the coating process, so that dripping of the pressure-sensitive adhesive on the edge of the substrate is further enhanced.
In view of the above, the present invention provides an environment-friendly pressure-sensitive adhesive tape coater and a process thereof, which solve the above technical problems.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides an environment-friendly pressure-sensitive adhesive tape coating machine and a process thereof.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to an environment-friendly pressure-sensitive adhesive tape coating machine, which comprises a machine body, and an unreeling roller, a first guide roller, a spraying component, a drying component, a second guide roller and a reeling roller which are sequentially arranged on the inner side of the machine body; the method is characterized in that: the spraying assembly and the drying assembly are provided with an overflow-preventing assembly; the overflow prevention assembly comprises an overflow prevention strip and an overflow prevention wheel at one side of the overflow prevention strip, which is close to the base material; a rotating hole is formed in one side, close to the base material, of the overflow-preventing strip; the rotating rod is rotationally connected with the rotating hole; the overflow preventing wheel is fixedly connected to one end of the rotating rod; the diameter of the overflow preventing wheel is increased along with the approach of the rotating rod; the edge of the substrate coated with the pressure-sensitive adhesive can be upwards tilted under the extrusion of the outer wall of the overflow-preventing wheel in the overflow-preventing assembly, and enters the drying assembly under the control of the coating machine.
Preferably, the overflow preventing strip is fixedly connected with the moving strip at an upper position on one side of the overflow preventing strip away from the base material; a fixed strip is arranged below the movable strip; the fixing strip is fixedly connected with the inner wall of the machine body; the fixing strip is provided with a guide hole in a penetrating way up and down; the guide rod is connected in a sliding way in the guide hole; one end of the guide rod, which is close to the upper end, is fixedly connected to the lower surface of the moving bar; the lower surface of the movable strip is connected with the upper surface of the fixed strip through a first spring; the first spring is sleeved on the outer wall of the guide rod; the extrusion force of the overflow-preventing wheel on the lower surface of the base material under the action of the first spring is smaller than the tension of the base material.
Preferably, the overflow preventing wheels are multiple; the overflow preventing wheels are positioned on one side of the overflow preventing strip, which is close to the base material; the overflow preventing wheel is eccentrically and fixedly connected with the rotating rod; the overflow preventing wheel eccentrically rolls under the movement of the lower surface of the edge of the base material.
Preferably, the rotating rod is in rotary sealing connection with the rotating hole; an annular groove is formed in the inner wall of the rotary hole; a cylindrical cavity is arranged in the overflow preventing strip; the piston is connected with the cylinder cavity in a sliding and sealing way; the upper surface of the piston is connected with the upper wall of the cylindrical cavity through a second spring; the piston divides the cylindrical cavity into an upper cavity and a lower cavity; the lower wall of the lower cavity is communicated with the annular groove through a first lower hole; the overflow preventing wheel is provided with a rotary groove at a position far away from the central shaft of the rotary rod; the outer wall of the overflow-preventing wheel is uniformly provided with first air holes communicated with the rotary groove; the rotary groove is communicated with the annular groove through a second air hole; a driving groove is formed in the overflow preventing strip; the driving groove is communicated with one end of the rotating hole, which is far away from the overflow preventing wheel; the driving groove is rotationally connected with a cam connected with the rotating rod; the lower surface of the piston is fixedly connected with a movable rod; the lower end of the movable rod penetrates through the lower cavity to extend into the driving groove and is contacted with the outer wall of the cam; the movable rod is movably and hermetically connected with the overflow-preventing strip.
Preferably, the lower wall of the lower cavity is communicated with the lower surface of the overflow preventing strip through a second lower hole; a first one-way air inlet valve is arranged in the first lower hole; a second one-way air outlet valve is arranged in the second lower hole; the lower surface of the edge of the base material is tightly attached to the overflow-preventing wheel under the action of negative pressure generated by the first air hole.
Preferably, the rotary groove is cylindrical; the rotary groove is overlapped with the central shaft of the overflow-preventing wheel; the rotating groove is rotationally and hermetically connected with the rotating ring; a part of the swivel is provided with a notch; the gravity center of the swivel is lower; the first air hole on the upper position of the overflow-preventing wheel is communicated with the rotating groove under the action of the notch on the rotating ring.
Preferably, the cross section of the overflow preventing strip is in an inverted L shape; the upper surface of the inner side of the overflow-preventing strip is an air outlet surface; the air outlet surface is communicated with the upper wall of the upper cavity through a first upper hole.
Preferably, the upper surface of the overflow preventing strip is communicated with the upper wall of the upper cavity through a second upper hole; a third one-way air outlet valve is arranged in the first upper hole; a fourth one-way air inlet valve is arranged in the second upper hole; the first upper hole is obliquely arranged towards the edge of the substrate and away from the piston; the gas generated by the first upper hole can impact the pressure-sensitive adhesive on the substrate.
The process is suitable for the environment-friendly pressure-sensitive adhesive tape coating machine, and comprises the following steps of:
s1: firstly cleaning the surface of a base material to remove pollutants, then preparing a pressure-sensitive adhesive according to requirements, winding one end of the base material on the outer wall of an unreeling roller in a machine body, winding the other end of the base material around a first guide roller, a spraying assembly, an anti-overflow assembly, a drying assembly and a second guide roller in the machine body on the outer wall of a reeling roller, and finally communicating the spraying assembly with a container filled with the pressure-sensitive adhesive;
s2: the substrate moves under the control of the coating machine, the spraying component sprays the pressure-sensitive adhesive on the upper surface of the substrate, the pressure-sensitive adhesive is scraped by a scraper on one side of the spraying component, and the edge of the substrate coated with the pressure-sensitive adhesive is extruded by the outer wall of the overflow-preventing wheel in the overflow-preventing component to be tilted upwards and enters the drying component under the control of the coating machine;
s3: and the drying component in the machine body is used for drying the pressure-sensitive adhesive on the base material, and the pressure-sensitive adhesive on the base material can pass through the second guide roller after being dried and is finally wound by the rotating winding roller.
The beneficial effects of the invention are as follows:
1. according to the invention, the overflow-preventing wheel is rolled and extruded on the lower surface of the edge of the substrate coated with the pressure-sensitive adhesive, so that the edge of the substrate is tilted upwards under the extrusion of the overflow-preventing wheel, the pressure-sensitive adhesive on the upper surface of the substrate is not easy to overflow and drip from the edge, the pressure-sensitive adhesive on the substrate flows more uniformly under the vibration of the substrate, and the coating effect of the environment-friendly pressure-sensitive adhesive tape is improved.
2. According to the invention, in the process of relative movement between the edge of the base material and the overflow preventing wheel, the overflow preventing wheel rotates, and because the overflow preventing wheel is eccentrically and fixedly connected with the rotating rod, the overflow preventing wheel eccentrically rotates under the movement of the lower surface of the edge of the base material, and the edges of the base material are overturned under the movement of a plurality of overflow preventing wheels, so that the pressure sensitive adhesive on the edge of the base material is driven to move towards the middle part, and the pressure sensitive adhesive on the base material is driven to be further spread, so that the pressure sensitive adhesive on the base material is more uniformly distributed under vibration.
3. According to the invention, the lower surface of the edge of the substrate is tightly attached to the outer wall of the anti-overflow wheel under the action of negative pressure generated by the first air hole, so that only the edge of the substrate is tilted, other positions of the substrate cannot be influenced by the tilting of the edge, the levelness of other positions of the substrate is ensured, and the pressure-sensitive adhesive flow distribution of the substrate at the position of removing the edge is more uniform in a horizontal state.
Drawings
The invention will be further described with reference to the drawings and embodiments.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a perspective view of the coater of the present invention;
FIG. 3 is a cross-sectional view of the coater of the present invention;
fig. 4 is an enlarged view at a in fig. 3;
FIG. 5 is a position diagram of the spill-resistant assembly arrangement of the present invention;
FIG. 6 is a cross-sectional view of a spill guard assembly of the present invention;
fig. 7 is an enlarged view at B in fig. 6;
fig. 8 is an enlarged view at C in fig. 6;
fig. 9 is a perspective cross-sectional view of the spill-resistant wheel of the present invention.
In the figure: the substrate 1, the machine body 2, the unreeling roller 21, the first guide roller 22, the spraying component 23, the drying component 24, the second guide roller 25, the wind-up roller 26, the scraper 27, the overflow preventing component 3, the overflow preventing strip 31, the rotary hole 311, the annular groove 312, the cylindrical cavity 313, the upper cavity 314, the lower cavity 315, the first lower hole 316, the driving groove 317, the second lower hole 318, the overflow preventing wheel 32, the rotary groove 321, the first air hole 322, the second air hole 323, the air outlet surface 33, the first upper hole 331, the second upper hole 332, the rotary rod 4, the moving strip 5, the fixed strip 6, the guide hole 61, the guide rod 62, the first spring 63, the piston 7, the second spring 71, the movable rod 72, the cam 8, the rotary ring 9 and the notch 91.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 9, the present invention is described in detail in the following embodiments:
embodiment 1, an environment-friendly pressure-sensitive adhesive tape coater, comprising a machine body, and an unreeling roller 21, a first guide roller 22, a spraying component 23, a drying component 24, a second guide roller 25 and a reeling roller 26 which are sequentially arranged on the inner side of the machine body; the method is characterized in that: the spraying assembly 23 and the drying assembly 24 are provided with an overflow preventing assembly 3; the overflow preventing assembly 3 comprises an overflow preventing strip 31 and an overflow preventing wheel 32 at one side of the overflow preventing strip 31 close to the base material 1; a rotary hole 311 is arranged on one side of the overflow preventing strip 31 close to the base material 1; the rotating hole 311 is rotationally connected with the rotating rod 4; the overflow preventing wheel 32 is fixedly connected to one end of the rotating rod 4; the diameter of the overflow preventing wheel 32 increases with the approach of the rotating rod 4; the edge of the substrate 1 coated with the pressure-sensitive adhesive is extruded by the outer wall of the overflow preventing wheel 32 in the overflow preventing assembly 3 to be tilted upwards and enters the drying assembly 24 under the control of the coating machine;
when the pressure-sensitive adhesive is used, the problem that the coating layer is often uneven in the process of coating the pressure-sensitive adhesive on the substrate 1, and the glue close to the edge of the substrate 1 is easy to overflow in the process of moving the substrate 1 coated with the pressure-sensitive adhesive from the coating position to the drying position, so that the pressure-sensitive adhesive is wasted and the working environment is messy; vibration or shaking of the substrate 1 is inevitably formed in the coating process, so that dripping of the pressure-sensitive adhesive on the edge of the substrate 1 is further enhanced;
therefore, the staff of the invention firstly uses water-based glue, solvent-free glue and the like, the components of the water-based glue do not contain harmful substances, the environment and human health are not polluted, the pressure-sensitive adhesive is prepared, then before the base material 1 is loaded on the machine body 2, the surface of the base material 1 is cleaned, dust, grease and other pollutants are removed, then the machine cover of the machine body 2 is opened, one end of the base material 1 is wound on the outer wall of the unwinding roller 21 in the machine body 2, the unwinding roller 21 is driven by a first motor, the coater is controlled by the controller to run, then the other end of the base material 1 is wound around the first guide roller 22 and passes through the spraying component 23, the anti-overflow component 3 and the drying component 24, the other end of the base material 1 is wound on the outer wall of the winding roller 26 and communicated with the container filled with the pressure-sensitive adhesive, then the controller in the coater controls the first motor to drive the unwinding roller 21 to rotate, and simultaneously controls the second motor to drive the winding roller 26 to rotate, the base material 1 is driven by the first guide roller 22 and the second motor to drive the unwinding roller 25, the other end of the base material 1 is wound on the outer wall of the winding roller 22, the second guide roller 25 passes through the spraying component 23 and passes through the second guide roller 25 and the outer wall 25 and is wound on the outer wall of the base material 1, the anti-overflow component 32, the base material is further inclined to be provided on the side of the base material 1, the base material is provided with the edge 32, the anti-overflow pressure-sensitive adhesive is provided on the base material is provided with the base material 32, the base material is sprayed on the side of the base material 1, the base material is provided with the base material is covered with the base material 1, the base material is covered with the base material and the base material is and has the pressure-adhesive and the base material is rolled, and has the base material is rolled and has the pressure-adhesive material is rolled. The upper edge of the substrate 1 is higher than other positions of the substrate 1, so that the pressure-sensitive adhesive on the substrate 1 cannot overflow and drip from the edge of the substrate 1 even under the condition of uneven distribution of the pressure-sensitive adhesive, otherwise, the pressure-sensitive adhesive on the substrate 1 can flow under the action of vibration due to vibration generated in the motion process of the substrate 1, so that the pressure-sensitive adhesive is distributed more uniformly on the upper surface of the substrate 1, the anti-overflow wheel 32 is rotationally connected in the rotary hole 311 through the rotary rod 4, the lower surface of the edge of the substrate 1 is in rolling connection with the outer wall of the anti-overflow wheel 32, friction force between the substrate 1 and the anti-overflow wheel 32 is reduced, abrasion of the substrate 1 is reduced, the substrate 1 enters into the drying assembly 24 with a coating layer coated with the pressure-sensitive adhesive on the surface, the substrate 1 is dried and cured under the drying effect of the drying assembly 24, the pressure-sensitive adhesive on the substrate 1 can bypass the second guide roller 25 after being dried, and finally rolled by the rolling roller 26, and the environment-friendly pressure-sensitive adhesive tape coating process is completed;
according to the invention, the anti-overflow wheel 32 is rolled and extruded on the lower surface of the edge of the substrate 1 coated with the pressure-sensitive adhesive, so that the edge of the substrate 1 is tilted upwards under the extrusion of the anti-overflow wheel 32, the pressure-sensitive adhesive on the upper surface of the substrate 1 is not easy to overflow and drip from the edge, the pressure-sensitive adhesive on the substrate 1 flows more uniformly under the action of the vibration of the substrate 1, and the coating effect of the environment-friendly pressure-sensitive adhesive tape is improved.
In the embodiment 2, the overflow preventing strip 31 is fixedly connected with the moving strip 5 at an upper position on one side of the overflow preventing strip away from the base material 1; a fixed strip 6 is arranged below the movable strip 5; the fixing strip 6 is fixedly connected with the inner wall of the machine body 2; the fixing strip 6 is provided with a guide hole 61 in a penetrating way up and down; the guide hole 61 is slidably connected with a guide rod 62; the upper end of the guide rod 62 is fixedly connected to the lower surface of the movable bar 5; the lower surface of the movable strip 5 is connected with the upper surface of the fixed strip 6 through a first spring 63; the first spring 63 is sleeved on the outer wall of the guide rod 62; the extrusion force of the overflow preventing wheel 32 on the lower surface of the base material 1 under the action of the first spring 63 is smaller than the tension of the base material 1.
In this embodiment, the overflow preventing wheels 32 are plural; the overflow preventing wheels 32 are positioned on one side of the overflow preventing strip 31 close to the base material 1; the overflow preventing wheel 32 is eccentrically and fixedly connected with the rotating rod 4; the overflow preventing wheel 32 eccentrically rolls under the movement of the lower surface of the edge of the base material 1;
when the pressure-sensitive adhesive-coated substrate 1 moves between two anti-overflow strips 31, as the fixed strip 6 is fixedly connected with the machine body 2, the first spring 63 can give upward force to the movable strip 5 under the action of self elasticity, the sliding of the guide rod 62 and the guide hole 61 provides guide for the movement of the movable strip 5, the movable strip 5 can give upward force to the anti-overflow strips 31 and the anti-overflow wheels 32, so that the anti-overflow wheels 32 always give upward force to the edge of the substrate 1, the edge of the substrate 1 is lifted upwards, under the condition that the substrate 1 shakes up and down or fluctuates, the edge of the substrate 1 can squeeze the anti-overflow wheels 32 to move downwards, the anti-overflow wheels 32 can drive the anti-overflow strips 31 and the movable strip 5 to move downwards, the elastic force of the movable strip 5 overcomes the elastic force of the first spring 63 to be close to the fixed strip 6, and the guide rod 62 can slide with the guide hole 61 at the same time, the edge of the anti-overflow wheels 32 can squeeze down to avoid the edge of the substrate 1, so that the anti-overflow wheels 32 can be suitable for different fluctuation environments of the edge of the substrate 1, and the edge of the pressure-sensitive adhesive-coated substrate 1 can be prevented from falling down in the process that the edge of the substrate 1 is lifted upwards; in the process of relative movement between the edge of the base material 1 and the spill-proof wheel 32, the spill-proof wheel 32 rotates, and because the spill-proof wheel 32 is eccentrically and fixedly connected with the rotating rod 4, the spill-proof wheel 32 eccentrically rotates under the movement of the lower surface of the edge of the base material 1, the edge of the base material 1 can be overturned under the rotation of the spill-proof wheels 32, so that the pressure-sensitive adhesive on the edge of the base material 1 is driven to move towards the middle part, and the pressure-sensitive adhesive on the base material 1 is driven to be further spread, so that the pressure-sensitive adhesive on the base material 1 is distributed more uniformly under vibration.
In the embodiment 3, the rotating rod 4 is in rotary sealing connection with the rotating hole 311; an annular groove 312 is formed in the inner wall of the rotary hole 311; a cylindrical cavity 313 is arranged in the overflow preventing strip 31; the piston 7 is connected with the cylinder cavity 313 in a sliding and sealing way; the upper surface of the piston 7 is connected with the upper wall of the cylindrical cavity 313 through a second spring 71; the piston 7 divides the cylindrical cavity 313 into an upper cavity 314 and a lower cavity 315; the lower wall of the lower cavity 315 is communicated with the annular groove 312 through a first lower hole 316; the overflow preventing wheel 32 is provided with a rotary groove 321 at a position which is far away from the central shaft of the rotary rod 4; the outer wall of the overflow preventing wheel 32 is uniformly provided with a first air hole 322 communicated with the rotary groove 321; the rotary groove 321 is communicated with the annular groove 312 through a second air hole 323; a driving groove 317 is arranged in the overflow preventing strip 31; the driving groove 317 is communicated with one end of the rotary hole 311 away from the anti-overflow wheel 32; the driving groove 317 is rotationally connected with a cam 8 connected with the rotating rod 4; the lower surface of the piston 7 is fixedly connected with a movable rod 72; the lower end of the movable rod 72 passes through the lower cavity 315 to extend into the driving groove 317 and is contacted with the outer wall of the cam 8; the movable rod 72 is movably and hermetically connected with the overflow preventing strip 31.
In this embodiment, the lower wall of the lower cavity 315 is communicated with the lower surface of the spill-proof strip 31 through a second lower hole 318; a first one-way air inlet valve is arranged in the first lower hole 316; a second one-way air outlet valve is arranged in the second lower hole 318; the lower surface of the edge of the base material 1 is tightly attached to the overflow preventing wheel 32 under the action of the negative pressure generated by the first air holes 322.
In this embodiment, the rotating groove 321 is cylindrical; the rotating groove 321 is overlapped with the central shaft of the overflow preventing wheel 32; the rotating groove 321 is rotationally and hermetically connected with the rotating ring 9; a part of the swivel 9 is provided with a notch 91; the center of gravity of the swivel 9 is lower; the first air hole 322 on the upper part of the overflow preventing wheel 32 is communicated with the rotating groove 321 under the action of the notch 91 on the rotating ring 9;
when in use, the base material 1 generates friction force with the anti-overflow wheel 32 in the transmission process, so that the anti-overflow wheel 32 rotates under the action of the friction force, the rotating rod 4 is driven to rotate in the rotating process of the anti-overflow wheel 32 and the rotating cam 8 is driven to rotate in the rotating process of the rotating rod 4, the movable rod 72 is repeatedly pushed to move upwards in the rotating process of the cam 8, the piston 7 is driven to move upwards in the cylindrical cavity 313 and press the second spring 71 in the upward moving process of the movable rod 72, the space of the lower cavity 315 is expanded to form negative pressure in the downward moving process of the piston 7 pushed by the movable rod 72, the rotating ring 9 with the notch 91 is rotationally connected in the rotating groove 321, the position of the notch 91 is always positioned above the rotating ring 9, thus the rotating ring 9 is blocked by the first air holes 322 at other positions except the first air holes 322 at the upper positions in the rotating groove 321, so ensure the negative pressure effect of the first air hole 322, so under the condition that the lower cavity 315 generates negative pressure, the air between the lower surface of the edge of the base material 1 and the anti-overflow wheel 32 can enter the lower cavity 315 along the first air hole 322, the rotary groove 321, the second air hole 323, the annular groove 312 and the first lower hole 316 under the negative pressure effect, so that the lower surface of the edge of the base material 1 is tightly attached to the outer wall of the anti-overflow wheel 32 under the negative pressure effect generated by the first air hole 322, the position of the edge of the base material 1 is tilted, other positions of the base material 1 are not affected by the tilting of the edge, the levelness of other positions of the base material 1 is ensured, and the position of the base material 1 with the edge removed is more uniform in the horizontal state; no matter how the anti-overflow wheel 32 rotates, the uppermost first air hole 322 can be kept to be opened, other first air holes 322 are kept to be closed, the negative pressure adsorption effect of the first air holes 322 closest to the base material 1 is guaranteed, and in the process that the cam 8 does not stop rotating, the second spring 71 drives the piston 7 to move downwards, so that the piston 7 presses the lower cavity 315, and the air in the lower cavity 315 is discharged along the second lower hole 318 under pressure; under the condition that the cam 8 does not stop rotating, the movable rod 72 moves upwards again under the extrusion of the cam 8, so that the lower cavity 315 is repeatedly enlarged and reduced, the first air holes 322 continuously generate negative pressure adsorption force, the lower surface of the edge of the base material 1 is better adhered to the outer wall of the anti-overflow wheel 32, and only the edge position of the base material 1 is guaranteed to be in a tilted state, and other positions are in a horizontal state; in this embodiment, the first one-way air inlet valve is opened in the air inlet state of the first lower hole 316, and the second one-way air outlet valve is opened in the air outlet state of the second lower hole 318.
Embodiment 4, the cross section of the overflow preventing strip 31 is in an inverted L shape; the upper surface of the inner side of the overflow preventing strip 31 is an air outlet surface 33; the air outlet surface 33 is communicated with the upper wall of the upper cavity 314 through a first upper hole 331.
In this embodiment, the upper surface of the overflow preventing strip 31 is communicated with the upper wall of the upper cavity 314 through the second upper hole 332; a third one-way air outlet valve is arranged in the first upper hole 331; a fourth one-way air inlet valve is arranged in the second upper hole 332; the first upper hole 331 is obliquely arranged towards the edge of the substrate 1 and away from the piston 7; the gas generated from the first upper hole 331 can impact the pressure sensitive adhesive on the substrate 1;
when the anti-overflow wheel 32 is driven to rotate by the substrate 1 under the action of friction force, the rotating rod 4 and the cam 8 are driven to rotate in the process of rotating the anti-overflow wheel 32, the movable rod 72 and the piston 7 are driven to move up or down repeatedly under the cooperation of the cam 8 and the second spring 71, in the process of moving down the piston 7, external gas enters the upper cavity 314 along the second upper hole 332, in the process of moving up the piston 7, the gas in the upper cavity 314 is extruded by the piston 7 and is discharged along the first upper hole 331, and because the air outlet direction of the first upper hole 331 is obliquely arranged in the direction away from the piston 7, the gas discharged from the first upper hole 331 is pressure-sensitive adhesive obliquely oriented to the upper surface of the edge of the substrate 1, so that the pressure-sensitive adhesive on the edge of the substrate 1 flows towards the middle part under the action of the component force of gravity and the impact of the air flow, the residue of the pressure-sensitive adhesive on the edge upper surface of the substrate 1 is reduced, and the condition of overflowing and dripping from the edge of the substrate 1 is further avoided; the third one-way air outlet valve in this embodiment is opened in the air outlet state of the first upper hole 331, and the fourth one-way air inlet valve in this embodiment is opened in the air inlet state of the second upper hole 332; each anti-overflow wheel 32 in this application can work alone to drive the activity of the piston 7 in the corresponding cylinder chamber 313 alone, anti-overflow strip 31 also can splice each other in length direction, is satisfied the substrate 1 edge anti-overflow demand of different length, and application scope is wide.
Embodiment 5, an environmentally friendly pressure-sensitive adhesive tape coating process, which is suitable for the environmentally friendly pressure-sensitive adhesive tape coater described above, comprises the steps of:
s1: firstly cleaning the surface of a base material 1 to remove pollutants, then preparing pressure-sensitive adhesive according to requirements, then winding one end of the base material 1 on the outer wall of an unreeling roller 21 in a machine body 2, winding the other end of the base material around a first guide roller 22, a spraying component 23, an anti-overflow component 3, a drying component 24 and a second guide roller 25 in the machine body 2 on the outer wall of a reeling roller 26, and finally communicating the spraying component 23 with a container filled with the pressure-sensitive adhesive;
s2: the substrate 1 moves under the control of the coating machine, the spraying component 23 sprays the pressure-sensitive adhesive on the upper surface of the substrate 1, the pressure-sensitive adhesive is scraped by the scraper 27 on one side of the spraying component 23, and the edge of the substrate 1 coated with the pressure-sensitive adhesive is extruded by the outer wall of the overflow preventing wheel 32 in the overflow preventing component 3 to tilt upwards and enters the drying component 24 under the control of the coating machine;
s3: the drying component 24 in the machine body 2 carries out drying treatment on the pressure-sensitive adhesive on the base material 1, and the pressure-sensitive adhesive on the base material 1 passes through the second guide roller 25 after being dried and is finally wound by the rotating winding roller 26.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 2, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of the present invention, and furthermore, the terms "first", "second", "third", etc. are merely used for distinguishing the description, and should not be construed as indicating or implying relative importance.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. An environment-friendly pressure-sensitive adhesive tape coating machine comprises a machine body, and an unreeling roller (21), a first guide roller (22), a spraying assembly (23), a drying assembly (24), a second guide roller (25) and a reeling roller (26) which are sequentially arranged on the inner side of the machine body; the method is characterized in that:
the spraying component (23) and the drying component (24) are provided with an overflow-preventing component (3); the anti-overflow assembly (3) comprises an anti-overflow strip (31) and an anti-overflow wheel (32) on one side of the anti-overflow strip (31) close to the base material (1); a rotary hole (311) is formed in one side, close to the base material (1), of the overflow preventing strip (31); the rotating hole (311) is rotationally connected with the rotating rod (4); the overflow preventing wheel (32) is fixedly connected with one end of the rotating rod (4); the diameter of the overflow preventing wheel (32) increases along with the approach of the rotating rod (4); the edge of the substrate (1) coated with the pressure-sensitive adhesive is extruded by the outer wall of the overflow-preventing wheel (32) in the overflow-preventing assembly (3) to be tilted upwards and then enters the drying assembly (24) under the control of the coating machine.
2. The environmentally friendly pressure sensitive adhesive tape coater according to claim 1, wherein: the overflow preventing strip (31) is fixedly connected with the movable strip (5) at the upper position of one side of the overflow preventing strip, which is away from the base material (1); a fixed strip (6) is arranged below the movable strip (5); the fixing strip (6) is fixedly connected with the inner wall of the machine body (2); the fixing strip (6) is provided with a guide hole (61) in a penetrating way up and down; the guide hole (61) is connected with a guide rod (62) in a sliding way; one end of the guide rod (62) close to the upper part is fixedly connected to the lower surface of the movable strip (5); the lower surface of the movable strip (5) is connected with the upper surface of the fixed strip (6) through a first spring (63); the first spring (63) is sleeved on the outer wall of the guide rod (62); the extrusion force of the overflow preventing wheel (32) on the lower surface of the base material (1) under the action of the first spring (63) is smaller than the tension of the base material (1).
3. The environmentally friendly pressure sensitive adhesive tape coater according to claim 2, wherein: the overflow preventing wheels (32) are a plurality of; the overflow preventing wheels (32) are positioned on one side of the overflow preventing strip (31) close to the base material (1); the overflow preventing wheel (32) is eccentrically and fixedly connected with the rotating rod (4); the overflow preventing wheel (32) eccentrically rolls under the movement of the lower surface of the edge of the base material (1).
4. The environmentally friendly pressure sensitive adhesive tape coater according to claim 1, wherein: the rotating rod (4) is in rotary sealing connection with the rotating hole (311); an annular groove (312) is formed in the inner wall of the rotary hole (311); a cylindrical cavity (313) is arranged in the overflow preventing strip (31); the piston (7) is connected in a sliding and sealing way in the cylindrical cavity (313); the upper surface of the piston (7) is connected with the upper wall of the cylindrical cavity (313) through a second spring (71); the piston (7) divides the cylindrical cavity (313) into an upper cavity (314) and a lower cavity (315); the lower wall of the lower cavity (315) is communicated with the annular groove (312) through a first lower hole (316); the overflow preventing wheel (32) is provided with a rotary groove (321) at a position far away from the central shaft of the rotary rod (4); the outer wall of the overflow preventing wheel (32) is uniformly provided with first air holes (322) communicated with the rotating groove (321); the rotary groove (321) is communicated with the annular groove (312) through a second air hole (323); a driving groove (317) is formed in the overflow preventing strip (31); the driving groove (317) is communicated with one end of the rotary hole (311) far away from the overflow preventing wheel (32); the driving groove (317) is rotationally connected with a cam (8) connected with the rotating rod (4); the lower surface of the piston (7) is fixedly connected with a movable rod (72); the lower end of the movable rod (72) passes through the lower cavity (315) to extend into the driving groove (317) and is contacted with the outer wall of the cam (8); the movable rod (72) is movably and hermetically connected with the overflow preventing strip (31).
5. The environmentally friendly pressure sensitive adhesive tape coater according to claim 4, wherein: the lower wall of the lower cavity (315) is communicated with the lower surface of the overflow preventing strip (31) through a second lower hole (318); a first one-way air inlet valve is arranged in the first lower hole (316); a second one-way air outlet valve is arranged in the second lower hole (318); the lower surface of the edge of the base material (1) is tightly attached to the anti-overflow wheel (32) under the action of negative pressure generated by the first air hole (322).
6. The environmentally friendly pressure sensitive adhesive tape coater according to claim 5, wherein: the rotary groove (321) is cylindrical; the rotating groove (321) is overlapped with the central shaft of the overflow preventing wheel (32); the rotating groove (321) rotates to be connected with the rotating ring (9) in a sealing way; a part of the swivel (9) is provided with a notch (91); the gravity center of the swivel (9) faces downwards; the first air hole (322) at the upper position of the overflow preventing wheel (32) is communicated with the rotating groove (321) under the action of the notch (91) on the rotating ring (9).
7. The environmentally friendly pressure sensitive adhesive tape coater according to claim 4, wherein: the cross section of the overflow preventing strip (31) is in an inverted L shape; an air outlet surface (33) is arranged on the upper surface of the inner side of the overflow preventing strip (31); the air outlet surface (33) is communicated with the upper wall of the upper cavity (314) through a first upper hole (331).
8. The environmentally friendly pressure sensitive adhesive tape coater according to claim 7, wherein: the upper surface of the overflow preventing strip (31) is communicated with the upper wall of the upper cavity (314) through a second upper hole (332); a third one-way air outlet valve is arranged in the first upper hole (331); a fourth one-way air inlet valve is arranged in the second upper hole (332); the first upper hole (331) is obliquely arranged towards the edge of the base material (1) and away from the piston (7); the gas generated by the first upper hole (331) can impact the pressure-sensitive adhesive on the substrate (1).
9. An environmental-friendly pressure-sensitive adhesive tape coating process, which is applicable to the environmental-friendly pressure-sensitive adhesive tape coating machine as claimed in any one of claims 1 to 8, and is characterized in that: the method comprises the following steps:
s1: firstly cleaning the surface of a base material (1) to remove pollutants, then preparing a pressure-sensitive adhesive according to requirements, then winding one end of the base material (1) on the outer wall of an unreeling roller (21) in a machine body (2), winding the other end of the base material around a first guide roller (22), a spraying component (23), an anti-overflow component (3), a drying component (24) and a second guide roller (25) in the machine body (2) on the outer wall of a winding roller (26), and finally communicating the spraying component (23) with a container filled with the pressure-sensitive adhesive;
s2: the substrate (1) moves under the control of the coating machine, the spraying component (23) can spray the pressure-sensitive adhesive on the upper surface of the substrate (1) and is scraped by a scraper (27) at one side of the spraying component (23), the edge of the substrate (1) coated with the pressure-sensitive adhesive can be extruded by the outer wall of an anti-overflow wheel (32) in the anti-overflow component (3) to be tilted upwards, and the substrate enters the drying component (24) under the control of the coating machine;
s3: the drying component (24) in the machine body (2) carries out drying treatment on the pressure-sensitive adhesive on the base material (1), the pressure-sensitive adhesive on the base material (1) can pass through the second guide roller (25) after being dried, and finally is wound by the rotating winding roller (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311787654.9A CN117443648B (en) | 2023-12-25 | 2023-12-25 | Environment-friendly pressure-sensitive adhesive tape coating machine and process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311787654.9A CN117443648B (en) | 2023-12-25 | 2023-12-25 | Environment-friendly pressure-sensitive adhesive tape coating machine and process thereof |
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| Publication Number | Publication Date |
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| CN117443648A true CN117443648A (en) | 2024-01-26 |
| CN117443648B CN117443648B (en) | 2024-03-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030051371A1 (en) * | 2001-07-18 | 2003-03-20 | Fuji Photo Film Co., Ltd. | Devices for coating and drying coating solution and methods thereof |
| CN207401649U (en) * | 2017-10-16 | 2018-05-25 | 深圳市东锋瑞广告有限公司 | A kind of coating machine for having the function of to adjust rate of tension |
| CN115350828A (en) * | 2022-08-15 | 2022-11-18 | 福建友谊胶粘带集团有限公司 | Coating machine and coating method for preparing adhesive tape |
| CN116037415A (en) * | 2023-01-13 | 2023-05-02 | 中山市皇冠胶粘制品有限公司 | Waste rubber recovery device for pressure-sensitive adhesive production |
| CN117225656A (en) * | 2023-11-10 | 2023-12-15 | 靖江瑞泰电子材料有限公司 | Glue coating and embossing equipment for self-adhesive tape |
-
2023
- 2023-12-25 CN CN202311787654.9A patent/CN117443648B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030051371A1 (en) * | 2001-07-18 | 2003-03-20 | Fuji Photo Film Co., Ltd. | Devices for coating and drying coating solution and methods thereof |
| CN207401649U (en) * | 2017-10-16 | 2018-05-25 | 深圳市东锋瑞广告有限公司 | A kind of coating machine for having the function of to adjust rate of tension |
| CN115350828A (en) * | 2022-08-15 | 2022-11-18 | 福建友谊胶粘带集团有限公司 | Coating machine and coating method for preparing adhesive tape |
| CN116037415A (en) * | 2023-01-13 | 2023-05-02 | 中山市皇冠胶粘制品有限公司 | Waste rubber recovery device for pressure-sensitive adhesive production |
| CN117225656A (en) * | 2023-11-10 | 2023-12-15 | 靖江瑞泰电子材料有限公司 | Glue coating and embossing equipment for self-adhesive tape |
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| Publication number | Publication date |
|---|---|
| CN117443648B (en) | 2024-03-05 |
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