PET sheet coating device

Abstract

The utility model relates to the technical field of sheet coating, in particular to a PET (Polyethylene Terephthalate) sheet coating device which comprises a PET sheet and a feeding conveying belt, a set of coating mechanism is arranged at the output end of the feeding conveying belt and comprises two sets of coating wheels and supporting moving wheels which are longitudinally distributed in a spaced mode, the PET sheet is movably coated along the gaps between the coating wheels and the supporting moving wheels, wheel shafts are fixedly installed in the middles of the two ends of the coating wheels and the middles of the two ends of the supporting moving wheels, and the coating wheels and the supporting moving wheels are arranged on the wheel shafts. A wheel shaft at one end of the supporting moving wheel is downwards and rotationally connected with an output shaft through a transmission belt I, one end of the output shaft is connected with a servo motor fixed to the device base, and the wheel shaft at one end of the supporting moving wheel is rotationally connected to a feeding conveying belt driving shaft through a transmission belt II. And the automatic liquid feeding assembly continuously conveys coating liquid to the coating wheel. The device automatically moves for coating and feeding, and has the advantages of high speed, high efficiency and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to sheet material coating technical field, specifically a PET sheet material coating device. BACKGROUND

[0002] Sheet material refers to the material that resin (or monomer directly polymerizes in the processing process) is the main component, plasticizing agent, filling agent, lubricant, colorant and other additives are auxiliary components, and can be flow forming in the processing process.

[0003] The existing PET sheet material lacks effective contact between the movement of the sheet material and the feeding of the coating liquid, that is, the kinetic energy of the driving operation of the two lacks linkage, resulting in insufficient conversion and utilization of kinetic energy, affecting the efficiency of the device operation.

[0004] Therefore, in view of the above problems, the technical scheme provides a PET sheet material coating device. UTILITY MODEL CONTENT

[0005] The utility model discloses a kind of PET sheet material coating devices, to solve the problem raised in above background.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a PET sheet coating device, including PET sheet, feed conveyor belt, device base, PET sheet is placed on the feed conveyor belt and carries out automatic feeding, a group of coating mechanisms are provided with the output end of the feed conveyor belt, PET sheet is coated and is processed under the conveyance of the feed conveyor belt through the coating mechanism, the coating mechanism includes two groups of longitudinal gap distribution's coating wheel and support moving wheel, PET sheet moves coating between the gap of the coating wheel and the support moving wheel, the support moving wheel rolls and supports PET sheet and advances stably, the coating wheel and the upper surface of PET sheet roll and contact and coat, so that the PET sheet under the movement is coated, the wheel shaft is fixedly installed in the middle of both ends of the coating wheel and the support moving wheel, the wheel shaft of one end of the support moving wheel is connected with the output shaft through the transmission belt I and rotates downward, the output shaft one end is connected with the servo motor fixed on the device base, the wheel shaft of one end of the support moving wheel is rotatably connected to the feed conveyor belt drive shaft through the transmission belt II, that is, the support moving wheel rotates and operates under the drive of the servo motor, at the same time, the wheel shaft of the coating wheel and the support moving wheel on the same side is rotatably connected through the transmission belt III, so as to drive the coating wheel to rotate synchronously with the support moving wheel, the automatic liquid feeding assembly is arranged above the coating wheel, the automatic liquid feeding assembly continuously conveys coating liquid to the coating wheel, at the same time, the wheel shaft of the coating wheel is rotatably connected with the wheel shaft on the coating wheel through the transmission belt IV on one side of the automatic liquid feeding assembly, so as to realize the mode that the servo motor drives the feed conveyor belt, the coating wheel, the support moving wheel and the automatic liquid feeding assembly to operate under the rotatable connection of the transmission belt I, the transmission belt III, the transmission belt II and the transmission belt IV, and the conversion utilization rate of the kinetic energy of the servo motor is improved to a certain extent.

[0007] Compared with the prior art, the utility model has the advantages that: by adopting the relative rotation mode of the coating wheel and the support moving wheel, PET sheet is moved and coated between them, the movable coating processing of PET sheet can be realized, and the processing efficiency is greatly improved;

[0008] By utilizing the rotatable connection of the transmission belt I, the transmission belt II, the transmission belt III and the transmission belt IV, the rotary kinetic energy of the servo motor is fully transmitted and utilized, the automatic feeding of the coating liquid and the operation of the feed conveyor belt are controlled, and the conversion utilization rate of the kinetic energy of the device is fully improved. ACCURACY OF DRAWINGS

[0009] Figure 1 It is a kind of PET sheet coating device's main view internal structure schematic diagram.

[0010] Figure 2 It is a kind of PET sheet coating device's main view internal structure schematic diagram.

[0011] Figure 3 It is Figure 1 The enlarged structure schematic diagram of A in the middle.

[0012] Figure 4 It is a kind of PET sheet coating device servo motor structure schematic view.

[0013] Wherein: PET sheet 10, feed conveyor belt 11, device base 12, coating wheel 13, support moving wheel 14, coating liquid adsorption ring 15, retaining ring 16, wheel shaft 17, coating liquid tank 18, servo motor 19, output shaft 20, transmission belt I 21, transmission belt II 22, fixed rod 23, support wheel 24, connecting shaft 26, bevel gear one 27, bevel gear two 28, lead screw 29, nut 30, lifting connecting rod 31, piston cavity 32, piston plate 33, liquid inlet 34, liquid outlet 35, swing baffle 36, coating liquid discharge hole plate 37, transmission belt III 38, transmission belt IV 39. DETAILED DESCRIPTION

[0014] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0015] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0016] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0017] The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0018] Please refer toFigures 1-4 The application discloses a PET sheet coating device, which comprises a PET sheet 10, a feeding conveying belt 11, a device base 12, the PET sheet 10 is placed on the feeding conveying belt 11 for automatic feeding, a group of coating mechanisms are arranged at the output end of the feeding conveying belt 11, the PET sheet 10 is coated by the coating mechanisms under the conveying of the feeding conveying belt 11, the coating mechanisms comprise two groups of coating wheels 13 and supporting moving wheels 14 which are distributed in longitudinal gaps, the PET sheet 10 moves and is coated along the gaps between the coating wheels 13 and the supporting moving wheels 14, the supporting moving wheels 14 roll to support the PET sheet 10 to stably advance, the coating wheels 13 roll and contact the upper surface of the PET sheet 10 to coat, the PET sheet 10 under the movement is coated by the coating wheels 13, the middle portions of the two ends of the coating wheels 13 and the supporting moving wheels 14 are fixedly installed with wheel shafts 17, the wheel shaft 17 at one end of the supporting moving wheel 14 is rotatably connected with an output shaft 20 through a transmission belt I 21, the output shaft 20 is connected with a servo motor 19 which is fixed on the device base 12 at one end, the wheel shaft 17 at one end of the supporting moving wheel 14 is rotatably connected to the driving shaft of the feeding conveying belt 11 through a transmission belt II 22, that is, the supporting moving wheel 14 is driven to rotate and run by the servo motor 19 at the same time, the driving shaft of the feeding conveying belt 11 is driven to rotate and run at the same time, the wheel shafts 17 on the same side of the coating wheels 13 and the supporting moving wheels 14 are rotatably connected through a transmission belt III 38, so that the coating wheels 13 are driven to rotate synchronously with the supporting moving wheels 14, an automatic liquid feeding assembly is arranged above the coating wheels 13, the automatic liquid feeding assembly continuously feeds coating liquid towards the coating wheels 13, and the automatic liquid feeding assembly is rotatably connected with the wheel shaft 17 on the coating wheel 13 through a transmission belt IV 39 at one side, so that the servo motor 19 is used to drive the feeding conveying belt 11, the coating wheels 13, the supporting moving wheels 14 and the automatic liquid feeding assembly to run at the same time under the rotatable connection of the transmission belt I 21, the transmission belt III 38, the transmission belt II 22 and the transmission belt IV 39, and the utilization rate of kinetic energy of the servo motor 19 is improved to a certain extent.

[0019] In the embodiment of the application, the bottom of the feeding conveying belt 11 is fixed on the device base 12, a plurality of supporting wheels 24 are arranged on the device base 12 at the output side of the coating mechanisms, and are used for stably outputting the PET sheet 10 after coating, the two end wheel shafts 17 on the coating wheels 13 and the supporting moving wheels 14 are sleeved with fixed rods 23, the end portions of the fixed rods 23 are fixed on the device base 12, and the coating wheels 13 and the supporting moving wheels 14 are stably and suspendedly arranged by the support of the fixed rods 23.

[0020] Meanwhile, the driving shaft on the feeding conveying belt 11 is also sleeved with a fixed rod 23, that is, the feeding conveying belt 11 is stably placed by the fixed rod 23, the axial length of the coating wheels 13 and the supporting moving wheels 14 is greater than the width of the PET sheet 10 to be coated, and is used for fully coating the upper surface of the PET sheet 10 when the PET sheet 10 passes between the coating wheels 13 and the supporting moving wheels 14.

[0021] In one example of the present application, the coating wheel 13 is wrapped with a coating liquid adsorption ring 15 on the outer wall, which has the function of adsorbing coating liquid and being pressed to be separated, similar to a sponge layer, when in contact with the surface of the PET sheet 10, it is extruded by the coating wheel 13 and the supporting moving wheel 14 on both sides, so that the coating liquid in the coating liquid adsorption ring 15 is separated and applied on the PET sheet 10;

[0022] Specifically, the coating wheel 13 at both ends of the coating liquid adsorption ring 15 is provided with a blocking ring 16 with a diameter larger than that of the coating liquid adsorption ring 15, which is used to prevent the coating liquid in the coating liquid adsorption ring 15 from leaking along the coating wheel 13 at both ends.

[0023] As a preferred embodiment of the present application, the automatic liquid feeding assembly comprises a coating liquid discharge hole plate 37 suspended in an arc-shaped structure directly above the coating wheel 13, the top of the coating liquid discharge hole plate 37 is communicated with a piston cavity 32, one side of the piston cavity 32 is communicated with a coating liquid tank 18, and a pump suction member is arranged inside, the top of the pump suction member is connected with a lifting assembly outward, and the bottom of the lifting assembly is rotatably connected with the wheel shaft 17 on the coating wheel 13 through a transmission belt IV 39, that is, when the coating wheel 13 rotates, the lifting assembly is driven to circulate and lift by the transmission belt IV 39, and then the pump suction assembly is driven to control the coating liquid in the coating liquid tank 18 to be transmitted towards the inside of the piston cavity 32, and the coating liquid at the bottom of the piston cavity 32 is driven to be transferred towards the coating liquid discharge hole plate 37, so that the coating liquid is gradually fed towards the coating liquid adsorption ring 15 through the coating liquid discharge hole plate 37, realizing the function of automatic feeding, and at the same time, the transmission of the coating liquid is controlled by the rotation of the coating wheel 13, further improving the conversion rate of kinetic energy;

[0024] The pump suction member comprises a piston plate 33 which circulates and lifts along the inside of the piston cavity 32, the lower part of the side wall of the piston cavity 32 is provided with an inlet 34, and the middle of the bottom wall is provided with an outlet 35, a group of outward and inward rotating swing baffles 36 are elastically swung and arranged in the inlet 34 and the outlet 35 respectively, when the piston plate 33 moves upward, the suction force is generated to inwardly adsorb the swing baffle 36 at the inlet 34, the inlet 34 is opened, at this time the coating liquid in the coating liquid tank 18 enters the piston cavity 32, the swing baffle 36 at the outlet 35 is closed, at this time the outlet 35 is closed, on the contrary, when the piston plate 33 descends, the inlet 34 is closed and the outlet 35 is opened, so as to control the automatic transfer and delivery of the coating liquid in the coating liquid tank 18 towards the coating liquid discharge hole plate 37;

[0025] Specific, the lifting assembly includes a piston plate 33 top middle part of the lifting connecting rod 31, lifting connecting rod 31 end connected with the nut 30, nut 30 middle part of the threaded vertical lead screw 29, nut 30 is provided for limiting its rotation guide device, lead screw 29 rotation control nut 30 along the lead screw 29 up and down cycle movement, thus driving piston plate 33 along the piston cavity 32 inside the lift, lead screw 29 upper and lower end of the guide rod, the upper guide rod is fixed through the support sleeve rod on the device base 12, the bottom guide rod is connected with bevel gear two 28, bevel gear two 28 one side vertical meshing bevel gear one 27, bevel gear one 27 one side middle part of the connecting shaft 26, connecting shaft 26 through the transmission belt IV 39 with the coating wheel 13 on the wheel shaft 17 rotation connection, thus realizing the rotation of servo motor 19 kinetic energy transmission use;

[0026] Among them, the connecting shaft 26 is also fixed through the support sleeve rod.

[0027] The working principle of the utility model is: in the device idle place, all the above-mentioned driving elements, the power element, electrical device and the matched power supply are connected through the wire, the electrical devices are connected in sequence, the detailed connection means is the known technology in the art, the working principle and process are mainly introduced below, and the electrical control is not described, when running, the PET sheet 10 to be coated is placed on the feeding conveyor belt 11, then the servo motor 19 is started to drive the output shaft 20 to rotate, then the feeding conveyor belt 11 is driven to rotate under the connection of transmission belt I 21 and transmission belt II 22, at this time, the PET sheet 10 is controlled to pass through the middle of the coating wheel 13 and the support moving wheel 14, then the coating wheel 13 is controlled to rotate under the connection of transmission belt III 38 and transmission belt IV 39, and the nut 30 is controlled to move up and down along the piston cavity 32, so that the coating liquid in the coating liquid tank 18 is continuously input into the coating liquid discharge hole plate 37, then sprayed on the coating liquid adsorption ring 15, and the upper surface of the PET sheet 10 is coated by the rotation of the coating wheel 13.

[0028] The preferred embodiments of the patent are described in detail above, but the patent is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the patent.

Claims

1. A PET sheet coating apparatus, characterized in that, The device includes a PET sheet (10), a feeding conveyor belt (11), and a device base (12). A coating mechanism is installed at the output end of the feeding conveyor belt (11). The PET sheet (10) is coated by the coating mechanism while being conveyed by the feeding conveyor belt (11). The coating mechanism includes two sets of coating wheels (13) with longitudinally spaced spacing and supporting moving wheels (14). The PET sheet (10) moves along the gap between the coating wheels (13) and the supporting moving wheels (14) for coating. The coating wheels (13) roll and contact the upper surface of the PET sheet (10) for coating. Axles (17) are fixedly installed at the middle of both ends of the coating wheels (13) and the supporting moving wheels (14). One end of the support moving wheel (14) has a wheel axle (17) that is rotatably connected to an output shaft (20) via a transmission belt I (21). One end of the output shaft (20) is connected to a servo motor (19) fixed on the device base (12). One end of the support moving wheel (14) has a wheel axle (17) that is rotatably connected to the drive shaft of the feed conveyor belt (11) via a transmission belt II (22). The wheel axles (17) on the same side of the coating wheel (13) and the support moving wheel (14) are rotatably connected via a transmission belt III (38). An automatic liquid feeding component is provided directly above the coating wheel (13). One side of the automatic liquid feeding component is rotatably connected to the wheel axle (17) on the coating wheel (13) via a transmission belt IV (39).

2. The PET sheet coating apparatus according to claim 1, characterized in that, The bottom of the feeding conveyor belt (11) is fixed on the device base (12). Multiple sets of support wheels (24) are installed on the device base (12) of the coating mechanism output side. The two end axles (17) of the coating wheel (13) and the support moving wheel (14) are all fitted with fixing rods (23), and the ends of the fixing rods (23) are fixed on the device base (12).

3. The PET sheet coating apparatus according to claim 2, characterized in that, The coating wheel (13) is wrapped with a coating liquid adsorption ring (15) on its circumferential outer wall.

4. A PET sheet coating apparatus according to claim 3, characterized in that, The automatic liquid feeding assembly includes a coating liquid discharge orifice plate (37) with an arc-shaped structure suspended above the coating wheel (13). The top of the coating liquid discharge orifice plate (37) is connected to a piston chamber (32), and one side of the piston chamber (32) is connected to a coating liquid tank (18). A pump suction component is provided inside the pump suction component, and a lifting component is connected to the top of the pump suction component. The bottom of the lifting component is rotatably connected to the wheel axle (17) on the coating wheel (13) via a transmission belt IV (39).

5. A PET sheet coating apparatus according to claim 4, characterized in that, The pump suction component includes a piston plate (33) that circulates and rises and falls along the inside of the piston chamber (32). The lower part of the side wall of the piston chamber (32) is provided with an inlet (34) and the middle part of the bottom wall is provided with an outlet (35). A set of swing baffles (36) that rotate outward and inward are elastically oscillating in the inlet (34) and outlet (35), respectively.

6. A PET sheet coating apparatus according to claim 5, characterized in that, The lifting assembly includes a lifting connecting rod (31) connected to the top center of the piston plate (33), a nut (30) connected to the end of the lifting connecting rod (31), a vertical lead screw (29) threadedly connected to the middle of the nut (30), a guide device for limiting its rotation on the nut (30), guide rods installed at the upper and lower ends of the lead screw (29), the upper guide rod is fixed to the device base (12) by a support sleeve rod, the bottom guide rod is connected to a bevel gear two (28), a bevel gear one (27) is vertically meshed on one side of the bevel gear two (28), a connecting shaft (26) is connected to the middle of one side of the bevel gear one (27), and the connecting shaft (26) is rotatably connected to the wheel axle (17) on the coating wheel (13) through the transmission belt IV (39).

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