Blister sheet coating device

Abstract

The utility model discloses a blister sheet coating device. The blister sheet coating device comprises a coating pool, a vertical frame and a drying tank, according to the blister sheet coating device, a coating pool is fixedly connected to the side, corresponding to a vertical frame, of a bottom frame, a drying bin is fixedly connected to the position, corresponding to the upper portion of the coating pool, of one side of the vertical frame, a feeding roller mechanism is installed on one side of the top face of the bottom frame, a discharging roller mechanism is installed on the other side of the top face of the bottom frame, and a calendering mechanism is arranged between the position, corresponding to the feeding roller mechanism, of the bottom frame and the coating pool. A first guide roller is rotatably installed on the outer side, corresponding to the calendering mechanism, of the bottom frame, second guide rollers are symmetrically and rotatably installed on the inner side of the bottom of the coating pool, third guide rollers are rotatably installed on the two sides of the top of the vertical frame, the feeding roller mechanism and the calendering mechanism are arranged before coating operation, and after coating operation, hot air drying is conducted through cooperation of a drying bin and an air heater. And the dried blister sheet is output through the discharging roller mechanism, and the effective coating material on the undried blister sheet is adhered to the conveying roller or the calendering roller.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of plastic processing equipment, and specifically relates to a plastic sheet coating device. BACKGROUND

[0002] The plastic sheet is a kind of plastic processing process material, and the main principle is that the flat plastic hard sheet is heated to be soft, then is vacuum adsorbed on the surface of mold, and is formed after cooling, and is widely used in plastic packaging, lighting, advertising, decoration and other industries.Coating is the method for preparing composite material (film) by coating paste polymer, molten polymer or polymer melt on paper, cloth, plastic film.

[0003] In the patent file with the announcement number CN217646748U, a plastic sheet coating device is disclosed, which comprises a workbench, an inlet frame and an outlet frame vertically welded on the workbench, a front coating frame, a calendering frame and a back coating frame are welded between the inlet frame and the outlet frame of the workbench, a first feeding roller and a second feeding roller are arranged in the inlet frame from top to bottom, a third feeding roller and a fourth feeding roller are arranged in the outlet frame from top to bottom, the plastic sheet enters the front coating frame, the calendering frame and the back coating frame between the first feeding roller and the second feeding roller, the pressing roller is close to the side of the calendering roller, so as to adjust the thickness of the plastic sheet, and then the back coating roller is used to coat the bottom surface of the plastic sheet, so that the thickness of the plastic sheet is controlled, and the front surface and the back surface are coated at the same time on the same production line, the coating efficiency of the plastic sheet is improved, the production value is improved, and the production time is shortened.

[0004] Although the above-mentioned prior art can realize double-sided coating effect, the material on the plastic sheet is not easy to dry quickly, which will cause the coating solution to stick to the feeding roller and the calendering roller, so a new plastic sheet coating device is proposed to optimize the above-mentioned prior art. TECHNICAL CONTENT

[0005] The utility model aims at providing a plastic sheet coating device to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a blister sheet material coating device, including the bottom frame, the top surface of bottom frame is fixedly connected with the stand, and the side of bottom frame corresponds the stand and is fixedly connected with the coating pool, and the side of stand corresponds the top of coating pool and is fixedly connected with the drying bin, the top surface of bottom frame one side is installed with the feeding roller mechanism, the top surface of bottom frame other side is installed with the discharge roller mechanism, and the bottom frame is equipped with the calender mechanism between feeding roller mechanism and coating pool, and the outside of bottom frame corresponds the calender mechanism and is rotatably installed with first guide roller, and the bottom inboard of coating pool is rotatably installed with second guide roller, and the top of stand both sides are rotatably installed with third guide roller, and the fourth guide roller is installed on the stand corresponding discharge roller mechanism, and first guide roller, second guide roller, third guide roller and fourth guide roller are commonly bound with blister sheet material, and blister sheet material penetrates drying bin, feeding roller mechanism, discharge roller mechanism, and the bottom of drying bin corresponds the both sides of blister sheet material and is fixedly connected with the wind baffle, and the gap of blister sheet material is formed between wind baffle, and the both sides of drying bin are fixedly connected with a plurality of inclined upwards ventilation pipes at equal intervals, and hot air machine is installed in ventilation pipe, and power supply and switch are connected to hot air machine, and the end of ventilation pipe is fixedly connected with dust screen, and the air inlet of ventilation pipe is filtered through dust screen, and the dust amount carried in air flow is reduced.

[0008] As a further scheme of the utility model: the feeding roller mechanism and the discharge roller mechanism both include two symmetrically arranged conveying rollers, mounting frames, first drive gears, second drive gears, first sprockets, second sprockets, first chains and first motors, the first motor is connected with a power supply and a switch, the blister sheet material is clamped between the conveying rollers, and the calender mechanism includes symmetrically arranged calender rollers, mounting frames, first drive gears, second drive gears, first sprockets, second sprockets, first chains and first motors, and the blister sheet material is clamped between the calender rollers.

[0009] As a further scheme of the utility model: the spacing of the conveying rollers on the feeding roller mechanism is adapted to the thickness of the blister sheet material before calendering, and the spacing of the conveying rollers on the discharge roller mechanism is adapted to the thickness of the blister sheet material after calendering.

[0010] As a further scheme of the utility model: the conveying rollers and the calender rollers are respectively rotatably installed in parallel on the inner sides of the corresponding mounting frames, the mounting frames are fixedly connected to the bottom frame, the first drive gears are fixedly connected to the ends of the corresponding conveying rollers and calender rollers, the second drive gears are provided in two and arranged between the two corresponding first drive gears, the second drive gears are rotatably installed on the side walls of the mounting frames, the corresponding two first drive gears and second drive gears are in turn meshed and transmitted, the first sprockets are fixedly connected to the ends of the lower conveying rollers and calender rollers, the second sprockets are fixedly installed on the output end of the first motor through a connecting shaft, the connecting shaft is rotatably installed on the bottom frame, the first sprockets and the second sprockets are transmissionally connected through the first chains, and the first motor is fixedly installed on the bottom surface of the mounting frame.

[0011] As a further scheme of the utility model: the bottom of the coating pool and the two sides of the blister sheet are symmetrically rotatably installed with coating rollers, two uniform distribution rollers are rotatably installed in parallel in the coating pool below the drying bin, and the uniform distribution rollers are symmetrically arranged on the two sides of the blister sheet.

[0012] As a further scheme of the utility model: one end of the coating roller and the uniform distribution roller is fixedly connected with a third gear, two third gears are engaged in transmission, the other end of one of the coating rollers is fixedly connected with a third chain wheel, the other end of one of the uniform distribution rollers penetrates out of the coating pool and is fixedly connected with a fourth chain wheel, a driving shaft is rotatably connected between the third chain wheel and the fourth chain wheel corresponding to the third chain wheel and the fourth chain wheel of the coating pool, the driving shaft is vertically aligned with the third chain wheel, the driving shaft is horizontally aligned with the fourth chain wheel, the fifth chain wheel and the sixth chain wheel are fixedly installed at the positions of the driving shaft corresponding to the third chain wheel and the fourth chain wheel, the sixth chain wheel is in transmission connection with the fourth chain wheel through a second chain, the fifth chain wheel is in transmission connection with the third chain wheel through a third chain, the end of the driving shaft is further fixedly connected with a seventh chain wheel, the seventh chain wheel is in transmission connection with an eighth chain wheel through a fourth chain, the eighth chain wheel is fixedly installed on the output end of a second motor, the eighth chain wheel is rotatably installed on the bottom frame, the second motor is fixedly installed on the side wall of the coating pool, and the second motor is externally connected with a power supply and a switch.

[0013] As a further scheme of the utility model: the side wall of the coating pool is fixedly installed with an overflow pipe, and the overflow pipe is arranged between the uniform distribution roller and the coating roller.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、The feeding roller mechanism and the calender mechanism are arranged before coating operation, and the blister sheet after coating operation is dried by the drying bin in cooperation with the hot air fan, and the dried blister sheet is output by the discharging roller mechanism, so that the coating material on the un-dried blister sheet is effectively adhered to the conveying roller or the calender roller.

[0016] 2、The first guide roller and the second guide roller guide the blister sheet into the coating pool, and the coating roller can be used for double-sided coating.

[0017] 3、The second guide roller and the third guide roller guide the blister sheet to be vertically upwardly conveyed, form a draining effect, the uniform distribution roller is used for brushing, the excess coating material on the blister sheet is brushed off, the drying is not affected by the excess coating material, and the waste of the coating material is avoided.

[0018] 4. The utility model discloses a second motor cooperates seventh sprocket, fourth chain and eighth sprocket drive shaft rotation to drive, thereby through third sprocket, fifth sprocket and second chain drive coating roller rotation, through fourth sprocket, sixth sprocket and third chain drive even distribution roller rotation, even distribution roller between, between coating roller through third gear linkage, thereby can drive through single motor. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a kind of suction plastic sheet coating device structure schematic view.

[0020] Fig. 2 It is a kind of suction plastic sheet coating device rear side perspective drawing.

[0021] Fig. 3 It is a kind of suction plastic sheet coating device sectional view.

[0022] Fig. 4 It is a kind of suction plastic sheet coating device feed roller mechanism display graph.

[0023] Fig. 5 It is a kind of suction plastic sheet coating device calender mechanism display graph.

[0024] Fig. 6 It is a kind of suction plastic sheet coating device coating roller and even distribution roller transmission diagram.

[0025] Fig. 7 It is a kind of suction plastic sheet coating device drying bin sectional view.

[0026] In the drawing: 1, base frame;2, stand;3, coating pool;4, drying bin;5, feed roller mechanism;6, discharge roller mechanism;7, calender mechanism;8, overflow pipe;9, first guide roller;10, second guide roller;11, third guide roller;12, fourth guide roller;13, suction plastic sheet;14, wind shield;15, ventilation pipe;16, hot air machine;17, dust filter screen;18, conveying roller;19, mounting frame;20, first drive gear;21, second drive gear;22, coating roller;23, even distribution roller;24, first sprocket;25, second sprocket;26, first chain;27, first motor;28, calender roller;29, third gear;30, third sprocket;31, fourth sprocket;32, drive shaft;33, fifth sprocket;34, sixth sprocket;35, second chain;36, third chain;37, seventh sprocket;38, fourth chain;39, eighth sprocket;40, second motor. DETAILED DESCRIPTION

[0027] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0028] Please refer to Figs. 1-7 In the embodiments of the present application, a blister sheet coating device comprises a base frame 1, a stand 2 fixedly connected to the top surface of the base frame 1, a coating pool 3 fixedly connected to one side of the base frame 1 corresponding to the stand 2, a drying bin 4 fixedly connected to the upper side of the coating pool 3 corresponding to one side of the stand 2, an inlet roller mechanism 5 installed on one side of the top surface of the base frame 1, an outlet roller mechanism 6 installed on the other side of the top surface of the base frame 1, a calendering mechanism 7 provided between the inlet roller mechanism 5 and the coating pool 3 corresponding to the base frame 1, a first guide roller 9 rotatably installed on the outer side of the calendering mechanism 7 on the base frame 1, a second guide roller 10 rotatably and symmetrically installed on the inner side of the bottom of the coating pool 3, a third guide roller 11 rotatably installed on both sides of the top of the stand 2, a fourth guide roller 12 installed on the stand 2 corresponding to the outlet roller mechanism 6, a blister sheet 13 commonly wound around the first guide roller 9, the second guide roller 10, the third guide roller 11 and the fourth guide roller 12, the blister sheet 13 penetrating through the drying bin 4, the inlet roller mechanism 5 and the outlet roller mechanism 6, a wind shield 14 fixedly connected to both sides of the bottom of the drying bin 4 corresponding to the blister sheet 13, a gap formed between the wind shields 14 for the blister sheet 13 to pass through, a plurality of inclined upward ventilation pipes 15 fixedly and symmetrically connected to both sides of the drying bin 4 at equal distances, a hot air blower 16 installed in the ventilation pipe 15, a power supply and a switch connected to the hot air blower 16, a dust filter screen 17 fixedly connected to the end of the ventilation pipe 15, and the air inlet of the ventilation pipe 15 is filtered through the dust filter screen 17 to reduce the amount of dust carried in the air flow.

[0029] The inlet roller mechanism 5 and the calendering mechanism 7 are arranged before coating operation, and the blister sheet 13 after coating operation is dried by the drying bin 4 in cooperation with the hot air blower 16, and then output by the outlet roller mechanism 6, so that the coating material on the blister sheet 13 which is not dried effectively adheres to the conveying roller 18 or the calendering roller 28.

[0030] The feeding roller mechanism 5 and the discharging roller mechanism 6 each comprise two symmetrically arranged conveying rollers 18, a mounting frame 19, a first driving gear 20, a second driving gear 21, a first sprocket 24, a second sprocket 25, a first chain 26 and a first motor 27, the blister sheet 13 being clamped between the conveying rollers 18, and the calendering mechanism 7 comprises symmetrically arranged calender rollers 28, a mounting frame 19, a first driving gear 20, a second driving gear 21, a first sprocket 24, a second sprocket 25, a first chain 26 and a first motor 27, the blister sheet 13 being clamped between the calender rollers 28.

[0031] The distance between the conveying rollers 18 on the feeding roller mechanism 5 is adapted to the thickness of the blister sheet 13 before calendering, and the distance between the conveying rollers 18 on the discharging roller mechanism 6 is adapted to the thickness of the blister sheet 13 after calendering.

[0032] The conveying rollers 18 and the calender rollers 28 are respectively parallelly rotatably installed on the inner side of the corresponding mounting frame 19, the mounting frame 19 being fixedly connected to the chassis 1, the first driving gear 20 being fixedly connected to the end of the corresponding conveying roller 18 and calender roller 28, the second driving gear 21 being provided with two and being arranged between the two corresponding first driving gears 20, the second driving gear 21 being rotatably installed on the side wall of the mounting frame 19, the corresponding two first driving gears 20 and the second driving gear 21 being in turn meshingly driven, the first sprocket 24 being fixedly connected to the end of the lower conveying roller 18 and calender roller 28, the second sprocket 25 being fixedly installed on the output end of the first motor 27 through a connecting shaft, the connecting shaft being rotatably installed on the chassis 1, the first sprocket 24 and the second sprocket 25 being drivingly connected through the first chain 26, and the first motor 27 being fixedly installed on the bottom surface of the mounting frame 19.

[0033] The conveying rollers 18 and the calender rollers 28 are driven by the first motor 27, the first sprocket 24, the second sprocket 25 and the first chain 26, and the conveying rollers 18 and the calender rollers 28 are in linkage through the first driving gear 20 and the second driving gear 21, so as to convey and calender the blister sheet.

[0034] The coating roller 22 is symmetrically rotatably installed at the bottom of the coating pool 3 and on both sides of the blister sheet 13, and the two uniform distribution rollers 23 are parallelly rotatably installed in the coating pool 3 and below the drying bin 4, the uniform distribution rollers 23 being symmetrically arranged on both sides of the blister sheet 13.

[0035] The third gear 29 is fixedly connected with one end of the coating roller 22 and the uniform distribution roller 23, the third sprocket 30 is fixedly connected with the other end of the coating roller 22, the fourth sprocket 31 is fixedly connected with the other end of the uniform distribution roller 23, the driving shaft 32 is rotatably connected between the third sprocket 30 and the fourth sprocket 31 of the coating pool 3, the fifth sprocket 33 and the sixth sprocket 34 are fixedly installed on the driving shaft 32, the sixth sprocket 34 is in transmission connection with the fourth sprocket 31 through the second chain 35, the fifth sprocket 33 is in transmission connection with the third sprocket 30 through the third chain 36, the seventh sprocket 37 is fixedly connected with the end of the driving shaft 32, the eighth sprocket 39 is in transmission connection with the seventh sprocket 37 through the fourth chain 38, the eighth sprocket 39 is fixedly installed on the output end of the second motor 40, the eighth sprocket 39 is rotatably installed on the base frame 1, the second motor 40 is fixedly installed on the side wall of the coating pool 3, and the second motor 40 is connected with a power supply and a switch.

[0036] The overflow pipe 8 is fixedly installed on the side wall of the coating pool 3 and is arranged between the uniform distribution roller 23 and the coating roller 22.

[0037] The suction plastic sheet 13 is guided into the coating pool 3 through the first guide roller 9 and the second guide roller 10, and double-sided coating can be realized through the coating roller 22.

[0038] The suction plastic sheet 13 can be vertically upwardly conveyed through the guidance of the second guide roller 10 and the third guide roller 11, so that the water draining effect is formed, and the excess coating material on the suction plastic sheet 13 is brushed off through the brushing of the uniform distribution roller 23, so that the influence of the dryness caused by carrying more coating material and the waste of the coating material are avoided.

[0039] The driving shaft 32 is driven to rotate through the second motor 40, the seventh sprocket 37, the fourth chain 38 and the eighth sprocket 39, so that the coating roller 22 is driven to rotate through the third sprocket 30, the fifth sprocket 33 and the second chain 35, the uniform distribution roller 23 is driven to rotate through the fourth sprocket 31, the sixth sprocket 34 and the third chain 36, and the linkage is formed between the uniform distribution rollers 23 and between the coating rollers 22 through the third gear 29, so that multiple driving can be realized through a single motor.

[0040] The working principle of the utility model is:

[0041] In use, the conveying roller 18 and the calender roller 28 are driven by the first motor 27, the first sprocket 24, the second sprocket 25 and the first chain 26, and the conveying roller 18 and the calender roller 28 are linked by the first drive gear 20 and the second drive gear 21, so that the blister sheet 13 is conveyed and calendered, the blister sheet 13 is guided into the coating pool 3 by the first guide roller 9 and the second guide roller 10, double-sided coating is performed by the coating roller 22, the blister sheet 13 is vertically conveyed upward by the second guide roller 10 and the third guide roller 11, so that the blister sheet 13 is drained, and the excess coating material on the blister sheet 13 is brushed off by the distributing roller 23, so that the blister sheet 13 is not affected by the drying due to the excess coating material, after the coating operation, the blister sheet 13 is dried by the drying bin 4 and the air heater 16, the dried blister sheet 13 is guided by the third guide roller 11 and the fourth guide roller 12, and finally output from the discharge roller mechanism 6, when the coating roller 22 and the distributing roller 23 work, the driving shaft 32 is rotated by the second motor 40, the seventh sprocket 37, the fourth chain 38 and the eighth sprocket 39, so that the coating roller 22 is driven to rotate by the third sprocket 30, the fifth sprocket 33 and the second chain 35, the distributing roller 23 is driven to rotate by the fourth sprocket 31, the sixth sprocket 34 and the third chain 36, and the distributing roller 23 and the coating roller 22 are linked by the third gear 29, so that the rotating coating and the rolling brushing effects are formed.

[0042] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A blister sheet coating apparatus comprising a chassis (1), characterised in that: The top surface of the chassis (1) is fixedly connected with a stand (2), the chassis (1) is fixedly connected with a coating pool (3) corresponding to one side of the stand (2), the upper side of one side of the stand (2) is fixedly connected with a drying bin (4) corresponding to the coating pool (3), the top surface of the chassis (1) is installed with an inlet roller mechanism (5) on one side, the top surface of the chassis (1) is installed with an outlet roller mechanism (6) on the other side, the chassis (1) is provided with a calendering mechanism (7) between the inlet roller mechanism (5) and the coating pool (3), the outer side of the chassis (1) corresponding to the calendering mechanism (7) is rotatably installed with a first guide roller (9), the bottom inside of the coating pool (3) is symmetrically rotatably installed with a second guide roller (10), the top of the stand (2) is rotatably installed with a third guide roller (11) on both sides, the stand (2) is installed with a fourth guide roller (12) corresponding to the outlet roller mechanism (6), the first guide roller (9), the second guide roller (10), the third guide roller (11) and the fourth guide roller (12) are jointly provided with a plastic suction sheet (13) therearound, the plastic suction sheet (13) penetrates the drying bin (4), the inlet roller mechanism (5) and the outlet roller mechanism (6), the bottom of the drying bin (4) is fixedly connected with a wind shield (14) corresponding to both sides of the plastic suction sheet (13), a plurality of inclined upward ventilation pipes (15) are fixedly connected with the drying bin (4) on both sides in a symmetrical and equidistant manner, a hot air fan (16) is installed in the ventilation pipe (15), and the end of the ventilation pipe (15) is fixedly connected with a dust filter screen (17).

2. A blister sheet coating apparatus according to claim 1, wherein: The inlet roller mechanism (5) and the outlet roller mechanism (6) each comprise two symmetrically arranged conveying rollers (18), a mounting frame (19), a first drive gear (20), a second drive gear (21), a first chain wheel (24), a second chain wheel (25), a first chain (26) and a first motor (27), the plastic suction sheet (13) is clamped between the conveying rollers (18), the calendering mechanism (7) comprises symmetrically arranged calendering rollers (28), a mounting frame (19), a first drive gear (20), a second drive gear (21), a first chain wheel (24), a second chain wheel (25), a first chain (26) and a first motor (27), and the plastic suction sheet (13) is clamped between the calendering rollers (28).

3. A blister sheet coating apparatus according to claim 2, wherein: The spacing of the conveying rollers (18) on the inlet roller mechanism (5) is adapted to the thickness of the plastic suction sheet (13) before calendering, and the spacing of the conveying rollers (18) on the outlet roller mechanism (6) is adapted to the thickness of the plastic suction sheet (13) after calendering.

4. A blister sheet coating apparatus according to claim 2, wherein: The conveying roller (18) and the calender roller (28) are respectively parallel rotatingly installed on the inner side of the corresponding mounting frame (19) which is fixedly connected on the chassis (1), the first driving gear (20) is fixedly connected on the end of the corresponding conveying roller (18) and calender roller (28), the second driving gear (21) is provided with two and is arranged between the two corresponding first driving gears (20), the second driving gear (21) is rotatingly installed on the side wall of the mounting frame (19), the corresponding two first driving gears (20) and the second driving gear (21) are in turn meshing transmission, the first sprocket (24) is fixedly connected on the end of the lower conveying roller (18) and calender roller (28), the second sprocket (25) is fixedly installed on the output end of the first motor (27) through a connecting shaft, the connecting shaft is rotatingly installed on the chassis (1), the first sprocket (24) and the second sprocket (25) are drivingly connected through the first chain (26), and the first motor (27) is fixedly installed on the bottom surface of the mounting frame (19).

5. A blister sheet coating apparatus as claimed in claim 1, wherein: The bottom of the coating pool (3) and the two sides of the blister sheet (13) are symmetrically rotatingly installed with coating rollers (22), and two uniform distribution rollers (23) are parallel rotatingly installed in the coating pool (3) and below the drying bin (4). The uniform distribution rollers (23) are symmetrically arranged on both sides of the blister sheet (13).

6. A blister sheet coating apparatus according to claim 5, wherein: One end of the coating roller (22) and the uniform distribution roller (23) is fixedly connected with the third gear (29), and the corresponding two third gears (29) are in meshing transmission. The other end of one of the coating rollers (22) is fixedly connected with the third sprocket (30), and the other end of one of the uniform distribution rollers (23) penetrates out of the coating pool (3) and is fixedly connected with the fourth sprocket (31). The drive shaft (32) is rotatingly connected between the third sprocket (30) and the fourth sprocket (31) of the coating pool (3), the drive shaft (32) is vertically aligned with the third sprocket (30), the drive shaft (32) is horizontally aligned with the fourth sprocket (31), the fifth sprocket (33) and the sixth sprocket (34) are respectively fixedly installed on the drive shaft (32) corresponding to the third sprocket (30) and the fourth sprocket (31), the sixth sprocket (34) is drivingly connected with the fourth sprocket (31) through the second chain (35), the fifth sprocket (33) is drivingly connected with the third sprocket (30) through the third chain (36), the end of the drive shaft (32) is further fixedly connected with the seventh sprocket (37), the seventh sprocket (37) is drivingly connected with the eighth sprocket (39) through the fourth chain (38), the eighth sprocket (39) is fixedly installed on the output end of the second motor (40), the eighth sprocket (39) is rotatingly installed on the chassis (1), and the second motor (40) is fixedly installed on the side wall of the coating pool (3).

7. A blister sheet coating apparatus as claimed in claim 1, wherein: The side wall of the coating pool (3) is fixedly installed with the overflow pipe (8), and the overflow pipe (8) is arranged between the uniform distribution roller (23) and the coating roller (22).

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