CN215964409U - Laboratory capsule machine - Google Patents

Abstract

The utility model provides a laboratory coating machine which comprises a supporting insulating base plate, moving wheels, adjusting holes, a supporting cabinet body, a pot body static electricity eliminating rod assembly, a spraying pipe supporting frame assembly, a coating liquid spraying gun barrel assembly, a coating pot assembly convenient to take materials, a moving push rod, a control box, a heat conduction pipe, an air injection drying pipe, a connecting plate, a coating liquid tank, a discharge pipe, an adjusting valve, a liquid guide pipe, a rotating motor, a hot air fan, a liquid suction pump and an air vent. The coating pan body is driven to rotate under the action of the rotating motor, so that pills to be coated are driven to roll, hot air is generated under the action of the hot air blower and is conveyed into the coating pan body through the heat conduction pipe and the air injection drying pipe, and the hot air drying effect is achieved; after the coating is finished, the coating pan body stops rotating, so that the material taking hole is positioned at the lower part, the receiving container is placed at the lower part, and the medicine which is pulled down to stop the insertion plate falls into the receiving container through the material taking hole.

Description

Laboratory capsule machine

Technical Field

The utility model belongs to the technical field of pharmaceutical processing, and particularly relates to a laboratory coating machine.

Background

The high-efficiency coating machine is a high-efficiency, energy-saving, safe and clean mechatronic device which can carry out organic film coating, water-soluble film coating and slow and controlled release coating on tablets, pills, candies and the like. The coating machine is suitable for the industries of pharmacy, chemical industry, food and the like. The material of the pot body can be divided into two types of stainless steel and red copper. The coating machine can be divided into a porous coating machine and a non-porous coating machine according to the heat exchange efficiency. The production type and the experimental type are divided according to the production capacity. The experimental high-efficiency coating machine with the latest technology has the capability of coating 0.2kg, 1kg, 3kg, 5kg, 8kg and 13kg by the same machine, and the practicability of the coating machine applied to research is greatly improved.

The tablet is a round-sheet or special-shaped sheet solid preparation which is prepared by uniformly mixing the medicament and proper auxiliary materials and pressing the mixture by a preparation technology, and the tablet can be coated if necessary; the coating has the effects of isolating air, preventing dampness and light, increasing drug stability, masking bad odor of drug, changing tablet appearance, and controlling drug release rate or positioning release. In addition, the utility model is named as CN213759497U, and includes a box, a control panel, a partition board, a first motor, a speed reducer, a rotary drum, a rotating rod, a stirring rod, a hot air blower, an air guide pipe, four sets of foot rests and four sets of casters. But current laboratory coating machine still has the angle to the hydrojet gun barrel of being not convenient for to adjust, and finished product medicine discharges to get the material inconvenient and the lower problem of production efficiency.

Therefore, the utility model of a laboratory coating machine is very necessary.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a laboratory coating machine which aims to solve the problems that the angle of a liquid spraying gun barrel is inconvenient to adjust, finished medicine is inconvenient to discharge and take and production efficiency is low in the existing laboratory coating machine.

A laboratory coating machine comprises a supporting insulating base plate, moving wheels, adjusting holes, a supporting cabinet body, a pot body electrostatic elimination rod assembly, a spraying pipe supporting frame assembly, a coating liquid spraying gun barrel assembly, a coating pot assembly convenient to take materials, a moving push rod, a control box, a heat conduction pipe, an air injection drying pipe, a connecting plate, a coating liquid tank, a discharge pipe, an adjusting valve, a liquid guide pipe, a rotating motor, a hot air fan, a liquid suction pump and an air vent, wherein the moving wheels are respectively bolted at the four corners of the lower part of the supporting insulating base plate; the adjusting hole is formed in the middle of the left side of the supporting insulating base plate; the supporting cabinet body is connected to the middle position of the upper part of the supporting insulating base plate through a bolt; the pot body static elimination rod assembly is connected to the left upper side of the front part of the supporting cabinet body through a screw; the spray pipe support frame assembly is connected to the right lower side of the support cabinet body through screws; the coating liquid spray gun barrel assembly is clamped at the upper part of the spraying pipe support frame assembly; the coating pan assembly convenient for taking materials is connected to an output shaft of the rotating motor through a coupling; the movable push rod is connected to the left side of the upper part of the supporting cabinet body through a screw; the control box is connected with the middle position of the upper part of the movable push rod through a screw; the heat conduction pipe is embedded in the right rear side of the upper part of the supporting cabinet body and is connected with the output end of the air heater; one end of the air-jet drying pipe is in threaded connection with the output end of the heat conduction pipe, and the other end of the air-jet drying pipe is inserted in the upper side position inside the coating pan component convenient for taking materials; the connecting plate is connected to the upper part of the right side of the supporting cabinet body through screws; the coating liquid tank is connected with the upper part of the right side of the connecting plate through a screw; the discharge pipe is embedded in the middle of the lower part of the coating liquid tank; the adjusting valve is in threaded connection with the middle position of the right side of the discharge pipe.

Preferably, the rotating motor is bolted to the middle position of the upper part of the inner rear wall of the supporting cabinet body, the air heater is screwed to the upper right side of the inner rear wall of the supporting cabinet body, the liquid suction pump is screwed to the lower right side of the inner rear wall of the supporting cabinet body, and a vent hole is formed in the lower part of the rear wall of the supporting cabinet body.

Preferably, the pot body static elimination rod assembly comprises a supporting rod, a rotating pipe, an adjusting holding rod, a conducting wire and a grounding rod, wherein a torsion spring is connected with a rear side screw of the adjusting holding rod, a conductor sheet is connected with a lower end screw of the adjusting holding rod, and the rotating pipe is movably sleeved at the right side position of the outer surface of the supporting rod; the longitudinal screw of the adjusting holding rod is connected to the middle position of the front side of the rotating pipe; one end of the lead is tied to the upper part of the grounding rod, and the other end of the lead is riveted to the lower part of the front part of the conductor sheet.

Preferably, the spray pipe support frame assembly comprises a transverse support rod, a connecting disc, a first adjusting pipe, a longitudinal support rod, a second adjusting pipe and an inclined strut support rod, wherein the transverse support rod is connected to the middle position of the left side of the connecting disc through a screw; the first adjusting pipe is movably sleeved on the outer surface of the transverse supporting rod; the longitudinal bearing rod is longitudinally connected to the middle position of the upper part of the first adjusting pipe through a screw and is fixed through the screw; the second adjusting pipe is in threaded connection with the upper part of the longitudinal bearing rod; the inclined strut supporting rod is in threaded connection with the rear portion of the second adjusting pipe.

Preferably, the coating liquid spray gun barrel assembly comprises a spray gun barrel, a sealing cap, a connecting pipe and a nozzle, wherein the sealing cap is respectively in threaded connection with two ends of the spray gun barrel; the connecting pipe is embedded at the upper part of the spray gun barrel; the nozzle is in threaded connection with the middle position of the lower part of the spray gun barrel.

Preferably, the coating pan component convenient for taking materials comprises a coating pan body, a shifting plate, an adding hole, a material taking hole, a blocking inserting plate and a rotating shaft, wherein the shifting plate is in threaded connection with the inner wall of the coating pan body; the adding hole is arranged on the right side of the coating pan body; the material taking hole is formed in the middle of the lower part of the coating pot body; the blocking inserting plate is movably inserted into the clamping groove in the front of the material taking hole; the rotating shaft is connected with the middle position of the left side of the coating pan body through a bolt.

Preferably, one end of the liquid guide pipe is in threaded connection with the upper part of the left side of the discharge pipe and penetrates through the supporting cabinet body to be connected with the input end of the liquid suction pump, and the other end of the liquid guide pipe is in threaded connection with the upper part of the connecting pipe.

Preferably, the regulating valve is located at a lower position where the catheter and the drainage tube meet.

Preferably, the grounding rod is a copper rod; the outer surface of the grounding rod is provided with threads; the grounding rod is in threaded connection with the inside of the adjusting hole.

Preferably, the supporting rod is in threaded connection with the left upper side of the front part of the supporting cabinet body.

Preferably, the connecting disc is connected with the right lower side of the front part of the supporting cabinet body through a screw.

Preferably, the spray gun barrel body is connected to the upper end of the inclined strut supporting rod through a screw; the spray gun barrel is transversely arranged inside the adding hole.

Preferably, the rotating shaft coupling is connected to an output end of the rotating electrical machine.

Preferably, a transparent toughened glass strip is longitudinally embedded in the front part of the coating liquid tank.

Preferably, the rotating motor, the air heater and the liquid suction pump are respectively electrically connected with the control box; the rotary motor, the air heater and the liquid suction pump are respectively adopted by common equipment in the technical field and are not described in detail herein; the control box specifically adopts a programmable PLC controller.

Compared with the prior art, the utility model has the beneficial effects that:

when the coating machine is used, liquid materials for coating are injected into a coating liquid tank, pills or objects to be coated in an experiment are added into a coating pot body through an adding hole, and a rotary motor, a hot air fan and a liquid suction pump are respectively started through a control box;

the coating pan body is driven to rotate under the action of the rotating motor, so that pills to be coated are driven to roll, hot air is generated under the action of the hot air blower and is conveyed into the coating pan body through the heat conduction pipe and the air injection drying pipe, and the hot air drying effect is achieved;

under the action of the imbibition pump, the liquid material in the coating liquid tank is sucked into the liquid guide pipe through the discharge pipe, and then is injected into the spray gun barrel through the connecting pipe, and further forms spray through the nozzle to play a coating role;

after the coating is finished, the coating pan body stops rotating, so that the material taking hole is positioned at the lower part, the receiving container is placed at the lower part, and the medicine which is pulled down to stop the insertion plate falls into the receiving container through the material taking hole.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the internal partial structure of the supporting cabinet of the present invention.

FIG. 3 is a schematic structural view of the assembly of the pot body static elimination rod of the utility model.

FIG. 4 is a schematic structural view of the spray tube support assembly of the present invention.

Fig. 5 is a schematic structural view of a coating solution spray gun cartridge assembly of the present invention.

Fig. 6 is a schematic view of the construction of the pan assembly for coating that facilitates the removal of material in accordance with the present invention.

In the figure:

1. supporting an insulating base plate; 2. a moving wheel; 3. an adjustment hole; 4. a supporting cabinet body; 5. a pot body static elimination rod component; 51. a support bar; 52. rotating the tube; 53. adjusting the holding rod; 531. a torsion spring; 532. a conductor sheet; 54. a wire; 55. a ground rod; 6. a support frame assembly for the spray tube; 61. a cross-support rod; 62. a connecting disc; 63. a first regulating tube; 64. a longitudinal support rod; 65. a second regulating tube; 66. a diagonal bracing strut; 7. a coating solution spray gun barrel assembly; 71. a spray gun barrel; 72. a sealing cap; 73. a connecting pipe; 74. a nozzle; 8. the coating pan component is convenient to take materials; 81. coating the pan body; 82. a kick-out plate; 83. an addition hole; 84. a material taking hole; 85. blocking the inserting plate; 86. a rotating shaft; 9. moving the push rod; 10. a control box; 11. a heat conducting pipe; 12. an air-jet drying pipe; 13. a connecting plate; 14. a coating liquid tank; 15. a discharge pipe; 16. adjusting the valve; 17. a catheter; 18. a rotating electric machine; 19. a hot air blower; 20. a liquid suction pump; 21. and (4) a vent hole.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

example (b):

as shown in fig. 1 to 2, the utility model provides a laboratory coating machine, which comprises a supporting insulating base plate 1, moving wheels 2, adjusting holes 3, a supporting cabinet body 4, a pot body static electricity eliminating rod assembly 5, a spraying pipe supporting frame assembly 6, a coating liquid spraying gun barrel assembly 7, a coating pot assembly 8 convenient for taking materials, a moving push rod 9, a control box 10, a heat conducting pipe 11, an air injection drying pipe 12, a connecting plate 13, a coating liquid tank 14, a discharge pipe 15, an adjusting valve 16, a liquid guiding pipe 17, a rotating motor 18, a hot air blower 19, a liquid suction pump 20 and a vent hole 21, wherein the moving wheels 2 are respectively bolted at four corners of the lower part of the supporting insulating base plate 1; the adjusting hole 3 is formed in the middle position of the left side of the supporting insulating base plate 1; the supporting cabinet body 4 is connected to the middle position of the upper part of the supporting insulating base plate 1 through a bolt; the pot body static elimination rod assembly 5 is connected to the left upper side of the front part of the supporting cabinet body 4 through screws; the spray pipe support frame assembly 6 is connected to the right lower side of the support cabinet body 4 through screws; the coating liquid spray gun barrel assembly 7 is clamped at the upper part of the spraying pipe support frame assembly 6; the coating pan component 8 convenient for taking materials is connected to the output shaft of the rotating motor 18 through a coupling; the movable push rod 9 is connected to the left side of the upper part of the supporting cabinet body 4 through a screw; the control box 10 is in screw connection with the middle position of the upper part of the movable push rod 9; the heat conducting pipe 11 is embedded at the right rear side of the upper part of the supporting cabinet body 4 and is connected with the output end of the air heater 19; one end of the air-jet drying pipe 12 is connected with the output end of the heat conduction pipe 11 in a threaded manner, and the other end is inserted in the upper side position inside the coating pan component 8 convenient for taking materials; the connecting plate 13 is in screw connection with the upper part of the right side of the supporting cabinet body 4; the coating liquid tank 14 is in screwed connection with the upper part of the right side of the connecting plate 13; the discharge pipe 15 is embedded in the middle of the lower part of the coating liquid tank 14; the adjusting valve 16 is in threaded connection with the middle position of the right side of the discharge pipe 15;

the rotary motor 18 is bolted on the middle position of the upper part of the inner rear wall of the supporting cabinet body 4, the hot air fan 19 is screwed on the right upper side of the inner rear wall of the supporting cabinet body 4, the liquid suction pump 20 is screwed on the right lower side of the inner rear wall of the supporting cabinet body 4, and the lower part of the rear wall of the supporting cabinet body 4 is provided with a vent hole 21.

As shown in fig. 3, in the above embodiment, specifically, the pot body electrostatic elimination rod assembly 5 includes a support rod 51, a rotary tube 52, an adjusting holding rod 53, a conducting wire 54 and a grounding rod 55, a torsion spring 531 is screwed on the rear side of the adjusting holding rod 53, a conductor sheet 532 is screwed on the lower end of the adjusting holding rod 53, and the rotary tube 52 is movably sleeved on the right side of the outer surface of the support rod 51; the longitudinal screw of the adjusting holding rod 53 is connected to the middle position of the front side of the rotating tube 52; the lead 54 is tied to the upper part of the grounding rod 55 at one end and riveted to the lower front part of the conductor strip 532 at the other end.

As shown in fig. 4, in the above embodiment, specifically, the spray tube support frame assembly 6 includes a transverse support rod 61, a connection plate 62, a first adjusting tube 63, a longitudinal support rod 64, a second adjusting tube 65 and a diagonal support rod 66, and the transverse support rod 61 is screwed to the middle position of the left side of the connection plate 62; the first adjusting pipe 63 is movably sleeved on the outer surface of the transverse supporting rod 61; the longitudinal bearing rod 64 is longitudinally screwed at the middle position of the upper part of the first adjusting pipe 63 and is fixed by screws; the second adjusting pipe 65 is in threaded connection with the upper part of the longitudinal support rod 64; the inclined strut support 66 is screwed at the rear part of the second adjusting pipe 65.

As shown in fig. 5, in the above embodiment, specifically, the coating solution spray gun barrel assembly 7 includes a spray gun barrel 71, a sealing cap 72, a connecting tube 73 and a nozzle 74, wherein the sealing cap 72 is respectively screwed at two ends of the spray gun barrel 71; the connecting pipe 73 is embedded at the upper part of the spray gun cylinder body 71; the nozzle 74 is screwed to the middle of the lower part of the lance barrel 71.

As shown in fig. 6, in the above embodiment, specifically, the coating pan assembly 8 for conveniently taking materials includes a coating pan body 81, a material-shifting plate 82, an adding hole 83, a material-taking hole 84, a blocking insert plate 85 and a rotating shaft 86, wherein the material-shifting plate 82 is screwed on the inner wall of the coating pan body 81; the adding hole 83 is arranged at the right side of the coating pan body 81; the material taking hole 84 is arranged in the middle of the lower part of the coating pan body 81; the blocking inserting plate 85 is movably inserted into the clamping groove in the front of the material taking hole 84; the rotating shaft 86 is bolted at the middle position of the left side of the coating pan body 81.

In the above embodiment, specifically, one end of the liquid guide tube 17 is screwed to the upper position of the left side of the discharge tube 15 and penetrates through the support cabinet 4 to be connected with the input end of the liquid suction pump 20, and the other end is screwed to the upper part of the connection tube 73.

In the above embodiment, in particular, the regulating valve 16 is located at a lower position where the catheter 17 meets the discharge tube 15.

In the above embodiment, specifically, the grounding rod 55 specifically adopts a copper rod; the outer surface of the grounding rod 55 is provided with threads; the grounding rod 55 is in threaded connection with the inside of the adjusting hole 3; the supporting rod 51 is screwed on the left upper side of the front part of the supporting cabinet body 4.

In the above embodiment, in particular, the connecting plate 62 is screwed to the lower right side of the front part of the supporting cabinet 4.

In the above embodiment, specifically, the spray gun cylinder 71 is screwed to the upper end of the bracing strut 66; the spray gun barrel 71 is transversely arranged inside the adding hole 83; the rotating shaft 86 is coupled to the output end of the rotating electrical machine 18.

In the above embodiment, specifically, the front part of the coating liquid tank 14 is longitudinally embedded with a transparent tempered glass strip.

In the above embodiment, specifically, the rotating motor 18, the hot air blower 19, and the liquid suction pump 20 are respectively electrically connected to the control box 10; the rotating motor 18, the hot air blower 19 and the liquid suction pump 20 are respectively common equipment in the technical field and are not described in detail herein; the control box 10 is specifically a programmable PLC controller.

Principle of operation

When the coating machine is used, the coating machine is moved and fixed under the action of the moving wheel 2, the convenience and the flexibility of use are increased, liquid materials for coating are injected into the coating liquid tank 14, pills or objects needing to be coated in an experiment are added into the coating pot body 81 through the adding hole 83, and the rotating motor 18, the hot air blower 19 and the liquid suction pump 20 are respectively started through the control box 10;

the coating pan body 81 is driven to rotate under the action of the rotating motor 18, so that pills to be coated are driven to roll, hot air is generated under the action of the hot air blower 19 and is conveyed into the coating pan body 81 through the heat conduction pipe 11 and the air injection drying pipe 12, and the hot air drying effect is achieved;

under the action of the imbibing pump 20, the liquid material in the coating liquid tank 14 is sucked into the liquid guide pipe 17 through the discharge pipe 15, and then is injected into the spray gun cylinder 71 through the connecting pipe 73, and further forms spray through the nozzle 74 to play a coating role;

after the coating is completed, the rotation of the coating pan 81 is stopped so that the take-out hole 84 is located at the lower portion, the receiving container is placed at the lower portion thereof, and the medicine pulled out of the blocking insert 85 falls into the receiving container through the take-out hole 84.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A laboratory coating machine is characterized by comprising a supporting insulating base plate (1), moving wheels (2), adjusting holes (3), a supporting cabinet body (4), a pot body static electricity elimination rod assembly (5), a spraying pipe supporting frame assembly (6), a coating liquid spraying gun barrel assembly (7), a coating pan assembly (8) convenient to take materials, a moving push rod (9), a control box (10), a heat conduction pipe (11), an air injection drying pipe (12), a connecting plate (13), a coating liquid tank (14), a discharge pipe (15), an adjusting valve (16), a liquid guide pipe (17), a rotating motor (18), a hot air blower (19), a liquid suction pump (20) and an air vent (21), wherein the moving wheels (2) are respectively bolted at four corners of the lower part of the supporting insulating base plate (1); the adjusting hole (3) is formed in the middle position of the left side of the supporting insulating base plate (1); the supporting cabinet body (4) is connected to the middle position of the upper part of the supporting insulating base plate (1) through a bolt; the pot body static elimination rod assembly (5) is connected to the left upper side of the front part of the supporting cabinet body (4) through screws; the spraying pipe support frame assembly (6) is connected to the right lower side of the support cabinet body (4) through screws; the coating liquid spray gun barrel assembly (7) is clamped at the upper part of the spraying pipe support frame assembly (6); the coating pan component (8) convenient for taking materials is connected to the output shaft of the rotating motor (18) through a coupling; the movable push rod (9) is connected to the left side of the upper part of the supporting cabinet body (4) through a screw; the control box (10) is connected with the middle position of the upper part of the movable push rod (9) through a screw; the heat conduction pipe (11) is embedded at the right rear side of the upper part of the supporting cabinet body (4) and is connected with the output end of the air heater (19); one end of the air injection drying pipe (12) is in threaded connection with the output end of the heat conduction pipe (11), and the other end of the air injection drying pipe is inserted in the upper side position inside the coating pan component (8) convenient for taking materials; the connecting plate (13) is in screw connection with the upper part of the right side of the supporting cabinet body (4); the coating liquid tank (14) is in screwed connection with the upper part of the right side of the connecting plate (13); the discharge pipe (15) is embedded in the middle of the lower part of the coating liquid tank (14); the adjusting valve (16) is in threaded connection with the middle position of the right side of the discharge pipe (15).

2. The laboratory coating machine according to claim 1, wherein the rotating motor (18) is bolted to the middle position of the upper part of the inner rear wall of the supporting cabinet (4), the hot air blower (19) is screwed to the upper right side of the inner rear wall of the supporting cabinet (4), the liquid suction pump (20) is screwed to the lower right side of the inner rear wall of the supporting cabinet (4), and the lower position of the rear wall of the supporting cabinet (4) is provided with a vent hole (21).

3. The laboratory coating machine according to claim 1, wherein the pan body static electricity eliminating rod assembly (5) comprises a support rod (51), a rotating tube (52), an adjusting holding rod (53), a conducting wire (54) and a grounding rod (55), a torsion spring (531) is connected to a rear side screw of the adjusting holding rod (53), a conductor sheet (532) is connected to a lower end screw of the adjusting holding rod (53), and the rotating tube (52) is movably sleeved at the right side position of the outer surface of the support rod (51); the longitudinal screw of the adjusting holding rod (53) is connected to the middle position of the front side of the rotating pipe (52); one end of the lead (54) is tied to the upper part of the grounding rod (55), and the other end is riveted to the lower position of the front part of the conductor sheet (532).

4. The laboratory coating machine according to claim 1, wherein said coating tube support assembly (6) comprises a cross support rod (61), a connecting plate (62), a first adjusting tube (63), a longitudinal support rod (64), a second adjusting tube (65) and a diagonal support rod (66), said cross support rod (61) is screwed to the middle position of the left side of the connecting plate (62); the first adjusting pipe (63) is movably sleeved on the outer surface of the transverse supporting rod (61); the longitudinal bearing rod (64) is longitudinally screwed at the middle position of the upper part of the first adjusting pipe (63) and is fixed by screws; the second adjusting pipe (65) is in threaded connection with the upper part of the longitudinal bearing rod (64); the inclined strut supporting rod (66) is in threaded connection with the rear part of the second adjusting pipe (65).

5. The laboratory coating machine according to claim 1, wherein said coating solution spray gun barrel assembly (7) comprises a spray gun barrel (71), a sealing cap (72), a connecting tube (73) and a nozzle (74), said sealing cap (72) being respectively screwed at both ends of the spray gun barrel (71); the connecting pipe (73) is embedded at the upper part of the spray gun barrel body (71); the nozzle (74) is in threaded connection with the middle position of the lower part of the spray gun barrel body (71).

6. The laboratory coating machine according to claim 1, wherein said coating pan assembly (8) for facilitating material taking comprises a coating pan body (81), a material-shifting plate (82), an adding hole (83), a material-taking hole (84), a blocking insert plate (85) and a rotating shaft (86), wherein said material-shifting plate (82) is screwed on the inner wall of the coating pan body (81); the adding hole (83) is arranged at the right side of the coating pan body (81); the material taking hole (84) is formed in the middle of the lower part of the coating pot body (81); the blocking inserting plate (85) is movably inserted into the clamping groove in the front of the material taking hole (84); the rotating shaft (86) is connected with the middle position of the left side of the coating pan body (81) through a bolt.

7. Laboratory coating machine according to claim 5, characterized in that the liquid guide tube (17) is screwed at one end to the upper left side of the discharge tube (15) and extends through the support cabinet (4) to be connected to the inlet of the liquid suction pump (20), and at the other end to the upper part of the connection tube (73).

8. Laboratory coating machine according to claim 1, characterized in that said regulating valve (16) is located in a lower position where the liquid guide tube (17) meets the discharge tube (15).

9. The laboratory coating machine according to claim 3, characterized in that said grounding bars (55) are in particular copper bars; the outer surface of the grounding rod (55) is provided with threads; the grounding rod (55) is in threaded connection with the inside of the adjusting hole (3).

10. The laboratory coating machine according to claim 1, characterized in that the front part of said coating liquid tank (14) is embedded with a transparent tempered glass strip longitudinally.

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