Plaster making equipment

Abstract

A plaster making device comprises a frame component (1), a plaster sealing system (2), a power transmission system (3), a plaster injection device (4) and an energy supply system thereof, wherein the frame component (1) carries components related to the plaster making device and provides storage and / or movement functions, the plaster sealing system (2) moves a release paper (21) to the bottom of the plaster injection device (4) to complete the wrapping of the plaster, and directly transports the wrapped plaster product out or transports it to a conveyor belt (38) for transport, the power transmission system (3) provides transmission and power for the plaster sealing system (2), and the plaster injection device (4) and its energy supply system are used for high-temperature melting, storage and extrusion of the plaster. The plaster making device provided by the present invention is simple to manufacture, low in cost, can work continuously, and is suitable for mass production in small clinics.

Description

Technical Field

[0001] The invention relates to the field of medical equipment, and in particular to a plaster making device. Background Art

[0002] Plaster is a kind of Chinese medicine for external use, which was called thin patch in ancient times. It is made of vegetable oil or animal oil with medicine and boiled into a gelatinous substance, which is applied to one side of cloth, paper or leather. It can be pasted on the affected area for a long time. It is mainly used to treat boils, swelling and pain. Plaster is easy to obtain materials, simple to operate, low in cost, safe and painless. In addition, it can be widely used to treat diseases and is easily accepted by people. In particular, middle-aged and elderly people who often suffer from chronic strain diseases such as neck, shoulder, waist and leg pain have a special liking for plaster.

[0003] The traditional method of making plasters generally adopts manual methods. First, the matrix and medicinal materials are selected in advance. After the plaster is refined, the ointment is spread on the base cloth, and then pressed into a sheet and covered with release paper. The efficiency is low and the shape is irregular. Later, mechanical equipment appeared. Although it improved the production efficiency, it was large in size and high in cost, and was not suitable for use in ordinary health rooms or personal clinics. Summary of the invention

[0004] In order to solve the above problems, the present invention provides a plaster making equipment, which uses a plaster injection device that can maintain pressure, store, and quantitatively extrude the plaster, and then uses a plaster sealing system and a power transmission system to stick release paper on both sides of the plaster and press it into a sheet of specified thickness. It has low cost and simple operation, and is very suitable for small clinics to carry out small batch production.

[0005] The objectives of the present invention are achieved through the following technical solutions.

[0006] A plaster making device, characterized in that it comprises a frame assembly, a plaster sealing system, a power transmission system, a plaster injection device and its energy supply system;

[0007] The frame assembly is formed by connecting brackets in multiple directions, and is used to carry the relevant components of the plaster making device, or, while carrying the relevant components of the plaster making device, further provides storage and / or movement functions;

[0008] The plaster sealing system includes a wrapping paper, a positioning rod and a guide groove assembly. The wrapping paper moves along the positioning rod under the action of the power transmission system, wraps the injected plaster and is squeezed to a specified thickness. The guide groove assembly is installed below the plaster injection device to limit the flow range of the plaster when it is injected, so as to prevent the plaster from flowing out of the wrapping paper.

[0009] The power transmission system is connected to the frame assembly through a fixed seat, and includes a driving motor. Under the action of the driving motor, the packaging paper is driven to move to the plaster injection position to complete the plaster wrapping, and the wrapped plaster product is directly transported out or transported to a conveyor belt for transportation;

[0010] The plaster injection device comprises an open-cover pressure-maintaining medicine barrel, a medicine outlet, a pressure regulating valve, a temperature control system and a power switch, and melts, preserves and extrude the plaster at high temperature under the action of the energy supply system.

[0011] In a plaster making device as described above, the frame assembly is connected by angle irons and / or profiles, and the intermediate spacing is greater than the width of the packaging paper in the plaster sealing system; the power transmission system, the plaster injection device and its energy supply system are all connected to the frame assembly directly or through a connecting frame; a shell with an inspection door is provided on the outside of the bracket of the frame assembly for replacing the packaging paper and / or repairing the equipment, and a storage box and / or a locking universal wheel are provided below the frame assembly.

[0012] In the plaster making equipment as described above, the plaster sealing system includes a plurality of positioning rods installed on a frame assembly, and the wrapping paper is respectively installed at both ends of the frame assembly, and after passing through the positioning rods of their respective parts, they converge at the extrusion part.

[0013] In the plaster making equipment as described above, the packaging paper is release paper, which is passed through a release paper shaft in a frame assembly. A limiting device is installed on the release paper shaft and / or the positioning rod for guiding the release paper. The limiting device includes a fixing ring and a locking element.

[0014] In the plaster making equipment as described above, two squeezing rollers are arranged between the fixed seats of the power transmission system, and the packaging papers at both ends of the plaster sealing system are finally gathered in the gap between the squeezing rollers after being directional guided by the positioning rods.

[0015] In a plaster making device as described above, the lower end of the guide groove component in the plaster sealing system is arranged close to the corresponding part of the packaging paper at the entrance of the extrusion roller, the width of the guide groove component is smaller than the width of the packaging paper, and blocks are provided on both sides of the lower part to prevent the plaster from overflowing.

[0016] In the plaster making device as described above, the wrapping paper is release paper, the release paper is single silicon white release paper, and the outer surface of the guide channel component is also wrapped with the release paper to prevent the plaster from sticking.

[0017] In a plaster making device as described above, the output end of the driving motor of the power transmission system is connected to the power input end of the extrusion roller through a belt or chain. When a conveyor belt is used, the power input end of the conveyor belt is also connected to the driving motor through a belt or chain to achieve co-drive of extrusion and transmission.

[0018] In the plaster making equipment as described above, the gap between the extrusion rollers can be adjusted by adjusting bolts, and the gap adjustment range is 0 to 2 mm. The power input ends of the two extrusion rollers are provided with mutually meshing gears, and the speed adjustment range of the driving motor is 0 to 1000 rpm, with different adjustment gears.

[0019] In the plaster making equipment as described above, the energy supply system of the plaster injection device is an oil-free air compressor, and the temperature control system includes an electric heating device and a temperature regulating device.

[0020] Furthermore, the oil-free air compressor is connected to the pressure regulating valve and the medicine outlet of the plaster injection device through an air pipe.

[0021] The beneficial effects of the present invention are:

[0022] The plaster making equipment provided by the present invention, the plaster sealing system, the power transmission system and other equipment are all installed on the frame assembly, and the smooth production of the plaster is achieved through the compact structural design and the precise and reliable plaster injection and packaging paper (release paper) transmission and guiding settings. Through the gap adjustment function of the extrusion roller, the limiting function of the packaging paper (release paper) and the adjustment function of the plaster injection pressure, etc., the adaptation of plasters of various thicknesses and viscosities is achieved, and it is convenient to make diversified plaster products. In addition, the universal wheel can move its position at will, the conveying coordination of the conveyor belt, and the storage and maintenance structure design further improve the convenience of use and maintenance. The plaster making equipment provided by the present invention is simple to make, low in cost, can work continuously, and is particularly suitable for mass production in small clinics. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] By reading the detailed description of the preferred embodiments below, the scheme and advantages of the present application will become clear to those skilled in the art. The accompanying drawings are only used to illustrate the preferred embodiments and are not to be considered as limitations of the present invention. In the accompanying drawings:

[0024] Figure 1 This is a schematic diagram of the structure of a plaster making device according to Example 1 of the present invention.

[0025] Figure 2 Schematic diagram of the plaster sealing system structure.

[0026] Figure 3 It is a schematic diagram of the power transmission system structure.

[0027] Figure 4 This is a schematic diagram of the fixed plate structure.

[0028] Figure 5 Schematic diagram of the diversion trough structure.

[0029] The components represented by the reference numerals in the figure are:

[0030] 1. Frame assembly, 11. Release paper support frame, 111. Support frame vertical plate Ⅰ, 112. Release paper shaft, 113. Large fixing ring, 114. Large locking bolt, 115. Locking spring, 116. Support frame vertical plate Ⅱ, 117. Cross clamp, 12. Release paper lifting bracket, 13. Horizontal bracket, 14. Vertical bracket, 15. Horizontal bracket, 16. Storage box, 17. Universal wheel with locking, 2. Plaster sealing system, 21. Release paper, 22. Positioning rod, 23. Small fixing ring, 24. Small locking bolt, 25. Guide trough assembly, 251. Guide trough, 252. Guide trough bending plate, 253. Spring hanging plate, 254. Guide Flow trough notch, 255, felt block, 26, guide trough tension spring, 27, connecting plate, 3, power transmission system, 31, fixed seat, 32, gear, 33, adjusting bolt, 34, gear pulley, 35, conveyor belt pulley, 36, drive motor, 37, drive motor bracket, 38, conveyor belt, 39, extrusion roller, 310, fixed seat connecting rod, 311, adjusting bolt hole, 312, movable gear groove, 313, fixed gear groove, 314, conveyor belt bracket positioning groove, 315, conveyor belt roller positioning hole, 316, fixed seat connecting hole, 317, fixed seat bottom hole, 4, plaster injection device, 5, oil-free air compressor. DETAILED DESCRIPTION

[0031] The exemplary embodiments of the present disclosure will be described in more detail below in conjunction with the accompanying drawings. It should be noted that these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. The present disclosure can be implemented in various forms and should not be limited by the embodiments described herein.

[0032] It should be understood that when an element is referred to as being "connected" or "coupled" to another element, the element may be directly connected or coupled to the other element, or there may be an intermediate element, and other terms used to describe the relationship between elements should be interpreted in the same manner (e.g., "between", "adjacent", etc.). The directions "left and right", "front and back", etc. mentioned in the present invention are only used to express relative positional relationships and are not subject to any specific direction reference in actual applications.

[0033] Example 1

[0034] See also Figure 1 , Figure 1 The figure shows a plaster making device of the present embodiment, which includes a frame assembly 1, a plaster sealing system 2, a power transmission system 3, a plaster injection device 4 and its energy supply system.

[0035] The frame assembly 1 is connected by multi-directional brackets, which is used to carry relevant components in the plaster making equipment and provide storage and movement functions; the plaster sealing system 2 includes a release paper 21, a positioning rod 22 and a guide groove assembly 25. The release paper 21 moves along the direction of the positioning rod 22 under the action of the power transmission system 3, wraps the injected plaster and is squeezed to a specified thickness. The guide groove assembly 25 is installed under the plaster injection device 4 to limit the flow range during plaster injection to prevent the release paper 21 from flowing out; the power transmission system 3 is connected to the fixing seat 31 through the fixing seat 31. The frame assembly 1 is connected, and under the action of the driving motor 36, the release paper 21 is driven to move to the plaster injection position to complete the wrapping of the plaster, and the wrapped plaster product is transferred to the conveyor belt 38 for transportation; the plaster injection device 4 includes an open-cover pressure-maintaining medicine barrel, a medicine outlet, a pressure regulating valve, a temperature control system and a power switch, and under the action of the energy supply system, the plaster is melted (pressure maintained), preserved and squeezed out at high temperature. The temperature control system includes an electric heating device and a temperature regulating device. The electric heating device is preferably an electric heating wire arranged on the peripheral wall and bottom wall of the medicine barrel, which can improve the uniformity of heating.

[0036] In this embodiment, the frame assembly 1 is formed by overlapping angle irons, and horizontal brackets 13, vertical brackets 14 and transverse brackets 15 are respectively provided in each direction. A connecting frame is also provided between the frame assembly 1 and the plaster injection device 4 and its energy supply system for fixing the above-mentioned equipment.

[0037] Furthermore, the front and rear ends of the frame assembly 1 are provided with release paper support frames 11 for installing release paper 21; the frame assembly 1 is provided with a release paper lifting bracket 12 that can lift the release paper 21 on the route through which the release paper 21 passes, preferably near the installation position of the release paper 21, so as to optimize the transmission path of the release paper 21 and adjust the tension.

[0038] Furthermore, the release paper support frame 11 includes a support frame vertical plate, a release paper shaft 112, a large fixing ring 113, a large locking bolt 114, a locking spring 115, and a cross clamp 117, wherein the support frame vertical plate includes a support frame vertical plate I 111 located at the front and a support frame vertical plate II 116 located at the rear.

[0039] Further, the installation of the release paper support frame 11 is shown in Figure 2 As shown, the vertical plate of the support frame is welded to the horizontal bracket 13 on one side of the frame assembly 1, and a release paper shaft 112 is connected to the top position. The middle position of the release paper shaft 112 is used to place the release paper 21. Cross clamps 117 are installed at both ends of the release paper 21 to keep the release paper 21 neat. One end of the cross clamp 117 is fixed by a large fixing ring 113 and a large locking bolt 114, and the other end is first installed with a locking spring 115, and then the large fixing ring 113 and the large locking bolt 114 are installed.

[0040] In this embodiment, a shell with an inspection door is provided on the outside of the bracket of the frame assembly 1, which is used to replace the release paper 21 or repair the equipment; a storage box 16 is provided below the frame assembly 1, which can be used to store the release paper 21 or the finished plasters; and a locking universal wheel 17 is provided at the bottom of the frame assembly 1, which can facilitate the fixing or moving of the plaster making equipment.

[0041] In this embodiment, the intermediate distance between the horizontal supports 13 of the frame assembly 1 is greater than the width of the release paper 21 in the plaster sealing system 2 .

[0042] Combine the following Figure 2 The plaster sealing system 2 mainly comprises two rolls of release paper 21 and a plurality of positioning rods 22. The release paper 21 is respectively mounted at both ends of the frame assembly 1. The plurality of positioning rods 22 are arranged at positions as shown in FIG. Figure 1 As shown, a conveying conduction section and a tension control section are constructed on the release path of the release paper 21 at both ends to ensure accurate transmission and close fitting of the release paper 21. After the release paper passes through several positioning rods 22 of each part, it converges at the extrusion part.

[0043] Furthermore, the release paper 21 is a 16 cm wide single silicone white release paper, with one side being plain paper and the other side being silicone oil. When in use, the silicone oil side faces upwards and is used to receive the plaster and extrude the plaster into shape together with another roll of release paper 21. When the plaster is packaged later, the silicone oil side is easy to tear off.

[0044] In this embodiment, the positioning rod 22 is installed on the horizontal bracket 13 of the frame assembly 1, and both ends are connected to the outer side of the horizontal bracket 13 by bolts. A limiting device is installed on the positioning rod 22 to ensure that the release paper 21 always flows along the middle horizontal direction; further, the limiting device includes a small fixing ring 23 and a small locking bolt 24, which can be conveniently fixed at any position of the positioning rod 22.

[0045] Combination Figure 1 and Figure 5 The plaster sealing system 2 also includes a guide groove component 25, which is located below the plaster injection position and is arranged close to the corresponding position of the release paper 21 at the entrance of the squeezing roller 39 of the plaster making equipment.

[0046] Furthermore, the width of the guide groove 251 is smaller than the width of the release paper 21, and a guide groove bent plate 252 is provided on the top, which is buckled on the positioning rod 22 installed on the connecting piece 27; spring hanging plates 253 are provided on both sides of the guide groove 251, which are connected to the connecting piece 27 on the power transmission system through the guide groove tensioning spring 26, and are used to tighten the guide groove 251 on the release paper; a guide groove recess is opened at the lower end of the guide groove 251, so that there is a certain gap between the guide groove 251 and the release paper 21 to avoid the plaster from sticking between the two; a felt block 255 is provided on the outer side of the lower end of the guide groove 251, and the felt block 255 is made of felt, and the lower end is made according to the interface gap angle of the release paper 21, which can play a good role in heat preservation and sealing, and prevent the plaster from overflowing along the gap.

[0047] Furthermore, the guide trough assembly 25 has limiting devices on both sides of the guide trough bent plate 252, and the limiting devices are a small fixing ring 23 and a small locking bolt 24. The guide trough assembly 25 is fixed at the middle position of the positioning rod 22 through the limiting devices.

[0048] Furthermore, the outer surface of the guide groove 251 is also wrapped with release paper 21 to prevent the plaster from sticking.

[0049] Combine the following Figure 3 The power transmission system 3 is used to drive the release paper 21 to move and transport the made plaster products. Figure 1 and Figure 3 As shown, two squeezing rollers 39 are arranged between the fixed seats 31 , and the release papers 21 at both ends of the plaster sealing system 2 are finally gathered in the gap between the squeezing rollers 39 after changing direction by the positioning rods 22 , and then wrap the squeezed plaster and are transported away via the conveyor belt 38 .

[0050] See also Figure 4The fixed seat 31 is provided with a movable gear groove 312, a fixed gear groove 313 and a conveyor belt roller positioning hole 315. The movable gear groove 312 and the fixed gear groove 313 are respectively used to install the squeezing roller 39, wherein the movable gear groove 312 is an oblong hole. After the squeezing roller 39 is installed, a return spring is also installed on the side close to the fixed gear groove 312. An adjusting bolt hole 311 is provided on the outer side of the movable gear groove 312 and the side wall of the fixed seat 31. The position of the squeezing roller 39 corresponding to the movable gear groove 312 is adjusted by adjusting the bolt to adjust the width between the two sections of release paper 21. The gap between the squeezing rollers can be adjusted between 0 and 2 mm. The fixed seat 31 A conveyor belt bracket positioning groove 314 and a conveyor belt roller positioning hole 315 are provided in the lower middle part for connecting the conveyor belt 38. The conveyor belt 38 and the conveyor belt bracket positioning groove 314 are movably connected (not marked in the figure). If a small amount of plaster is made and the conveyor belt 38 is not needed, the conveyor belt 38 can be omitted; the lower part of the fixed seat 31 is connected to the horizontal bracket 13 through the fixed seat bottom hole 317; the fixed seats 31 on both sides are connected through the fixed seat connecting rod 310 connected to the fixed seat connecting hole 316, wherein a connecting piece 27 is installed on the inner side of the fixed seat connecting rod 310 near the adjusting bolt hole 311 for connecting the guide groove tensioning spring 26.

[0051] In this embodiment, the output end of the driving motor 36 of the power transmission system 3 is connected to the power input end of the extrusion roller 39 installed on the fixed gear groove 313 and the power input end of the conveyor belt 38 through a belt, so that the co-drive of extrusion and transmission can be realized. The control switch of the driving motor 36 is placed on the outer plaster injection device for easy operation.

[0052] Furthermore, gears 32 meshing with each other are provided at one end of the outer sides of the two extrusion rollers 39. When the gear 32 on the fixed gear groove 313 rotates, it will drive the corresponding gear 32 on the movable gear groove 312 to rotate. When the plaster injection device starts to inject the plaster, under the action of friction, the release paper 21 clamps the plaster and rotates along the rotation direction of the gear 32 to bring the plaster out. The speed of the driving motor can be selected and adjusted in the range of 0 to 1000 rpm by setting different gears, which can adapt to different types of plasters.

[0053] In this embodiment, combined with Figure 1The energy supply system of the plaster injection device 4 is an oil-free air compressor 5, which is connected to the pressure regulating valve and the medicine outlet of the plaster injection device 4 through an air pipe. When the plaster needs to be made, the plaster matrix and the powder are added together into the open-lid pressure-maintaining medicine barrel, and the temperature in the pressure-maintaining medicine barrel is set to the specified working temperature at which the plaster matrix and the powder can be melted through the temperature control system and the pressure is maintained; when the plaster matrix and the powder are melted evenly, the plaster can be squeezed out through the medicine outlet, and at this time, the pressure of the medicine outlet is controlled by the pressure regulating valve to control the amount of the extruded plaster; when the plaster is used up and the plaster matrix and powder continue to be added, the pressure in the open-lid pressure-maintaining medicine barrel is first reduced through the pressure regulating valve, and then the cover is opened to add.

[0054] Furthermore, the plaster matrix used in this embodiment is a pressure-sensitive adhesive, and may also be other hot-melt adhesives or a homemade plaster matrix. The ratio of the pressure-sensitive adhesive to the medicine powder is less than 100:30, which is conducive to the prepared plaster having better viscosity and convenient pasting.

[0055] Furthermore, the plaster injection device 4 is equipped with a solenoid valve, which can perform both manual and automatic dual control. The plaster injection device 4 and the oil-free air compressor 5 are fixedly mounted on the frame assembly 1.

[0056] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A plaster making device, characterized in that: It comprises a frame assembly (1), a plaster sealing system (2), a power transmission system (3), a plaster injection device (4) and its energy supply system; The frame assembly (1) is formed by connecting brackets in multiple directions, and is used to carry the relevant components of the plaster making device, or, while carrying the relevant components of the plaster making device, further provides storage and / or movement functions; The plaster sealing system (2) comprises wrapping paper, a positioning rod (22) and a guide groove assembly (25); the wrapping paper moves along the positioning rod (22) under the action of the power transmission system (3), wraps the injected plaster and is squeezed to a specified thickness; the guide groove assembly (25) is installed below the plaster injection device (4) to limit the flow range of the plaster when it is injected, so as to prevent the plaster from flowing out of the wrapping paper; The power transmission system (3) is connected to the frame assembly (1) via a fixing seat (31), and comprises a driving motor (36). Under the action of the driving motor (36), the packaging paper is driven to move to the plaster injection position to complete the plaster wrapping, and the wrapped plaster product is directly transported out or transported to a conveyor belt (38) for transport; The plaster injection device (4) comprises an open-cover pressure-maintaining medicine barrel, a medicine outlet, a pressure regulating valve, a temperature control system and a power switch, and is used to melt, preserve and extrude the plaster at high temperature under the action of the energy supply system; The plaster sealing system (2) comprises a plurality of groups of positioning rods (22) mounted on the frame assembly (1); the packaging paper is mounted on both ends of the frame assembly (1) respectively, passes through the positioning rods (22) of the respective parts, and then converges at the extrusion part; Two squeezing rollers (39) are arranged between the fixed seats (31) of the power transmission system (3), and the packaging papers at both ends of the plaster sealing system (2) are finally gathered at the gap between the squeezing rollers (39) after being directional-guided by the positioning rods (22); The lower end of the guide groove assembly (25) in the plaster sealing system (2) is arranged close to the corresponding part of the packaging paper at the entrance of the squeezing roller (39), the width of the guide groove assembly (25) is smaller than the width of the packaging paper, and blocks are provided on both sides of the lower part to prevent the plaster from overflowing; The guide groove assembly (25) comprises a guide groove (251), the width of the guide groove (251) being smaller than the width of the release paper (21), and a guide groove bent plate (252) being provided on the upper portion thereof and buckled onto a positioning rod (22) mounted on the connecting piece (27); spring hanging plates (253) are provided on both sides of the guide groove (251), and are connected to the connecting piece (27) on the power transmission system via a guide groove tensioning spring (26) and are used to tighten the guide groove (251). On the release paper; a guide groove notch is provided at the lower end of the guide groove (251), so that a certain gap exists between the guide groove (251) and the release paper (21), thereby preventing the plaster from sticking between the two; a felt block (255) is provided on the outer side of the lower end of the guide groove (251), and the felt block (255) is made of felt, and the lower end is made according to the angle of the interface gap of the release paper (21), which can play a good role in heat preservation and sealing, and prevent the plaster from overflowing along the gap.

2. A plaster making device according to claim 1, characterized in that: The frame assembly (1) is formed by connecting angle irons and / or profiles, and the intermediate spacing is greater than the width of the packaging paper in the plaster sealing system (2); the power transmission system (3), the plaster injection device (4) and its energy supply system are all connected to the frame assembly (1) directly or through a connecting frame; a shell with an inspection door is arranged on the outside of the bracket of the frame assembly (1) for replacing the packaging paper and / or repairing the equipment, and a storage box (16) and / or a locking universal wheel (17) are arranged below the frame assembly (1).

3. A plaster making device according to claim 1, characterized in that: The packaging paper is a release paper (21) which is passed through a release paper shaft (112) in the frame assembly (1). A limiting device is installed on the release paper shaft (112) and / or the positioning rod (22) for guiding the release paper (21). The limiting device includes a fixing ring and a locking element.

4. A plaster making device according to claim 1, characterized in that: The wrapping paper is a release paper (21), and the release paper (21) is a single silicon white release paper. The outer surface of the guide channel component (25) is also wrapped with the release paper (21) to prevent the plaster from sticking.

5. A plaster making device according to claim 1, characterized in that: The output end of the driving motor (36) of the power transmission system (3) is connected to the power input end of the extrusion roller (39) via a belt or a chain. When a conveyor belt (38) is used, the power input end of the conveyor belt (38) is also connected to the driving motor (36) via a belt or a chain, so as to achieve co-drive of extrusion and transmission.

6. A plaster making device according to claim 4 or 5, characterized in that: The gap between the squeezing rollers (39) can be adjusted by means of an adjusting bolt (33), and the gap adjustment range is 0 to 2 mm. The power input ends of the two squeezing rollers (39) are provided with mutually meshing gears (32). The speed adjustment range of the driving motor (36) is 0 to 1000 rpm, and different adjustment gears are provided.

7. A plaster making device according to claim 1, characterized in that: The energy supply system of the plaster injection device (4) is an oil-free air compressor (5), and the temperature control system comprises an electric heating device and a temperature regulating device.

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