阅读说明：本技术 一种膏药制作机 (Plaster making machine ) 是由 刘克锋 胡贝贝 于 2020-11-18 设计创作，主要内容包括：本发明公开了一种膏药制作机,包括机座,在所述机座上设有第一放卷辊、第一放卷导向辊、第二放卷辊、第二放卷导向辊,所述第一放卷辊用于放置膏药底纸卷,第二放卷辊用于放置膏药面纸卷,还包括涂料机构,冷却机构,贴合牵引辊组,切片刀组,传送带,收卷辊,第一纠偏机构和第二纠偏机构,其中所述涂料机构,冷却机构,贴合牵引辊组,切片刀组和传送带依次设置在第一放卷导向辊右方,第二放卷辊可移动设置于涂料机构上方,所述收卷辊设于切片刀组右上方。该膏药制作机能适应医院各科室、小诊所或试验研究所等小批量制作的要求,加工成本低,膏药涂抹均匀度高,膏药量控制简单方便,膏药面纸与膏药底纸输送精度高,贴合效果好。(The invention discloses a plaster making machine which comprises a machine base, wherein a first unwinding roller, a first unwinding guide roller, a second unwinding roller and a second unwinding guide roller are arranged on the machine base, the first unwinding roller is used for placing a plaster bottom paper roll, the second unwinding roller is used for placing a plaster surface paper roll, the plaster making machine further comprises a coating mechanism, a cooling mechanism, a laminating traction roller set, a slicing knife set, a conveying belt, a winding roller, a first deviation correcting mechanism and a second deviation correcting mechanism, the coating mechanism, the cooling mechanism and the laminating traction roller set are sequentially arranged on the right side of the first unwinding guide roller, the second unwinding roller is movably arranged above the coating mechanism, and the winding roller is arranged on the right side of the slicing knife set. The plaster making machine can meet the requirements of small-batch making in departments, small clinics or experimental research institutes of hospitals, and has the advantages of low processing cost, high plaster smearing uniformity, simple and convenient plaster quantity control, high plaster surface paper and plaster bottom paper conveying precision and good laminating effect.)

1. A plaster making machine comprises a machine base, wherein a first unwinding roller, a first unwinding guide roller, a second unwinding roller and a second unwinding guide roller are arranged on the machine base, the first unwinding roller is used for placing a plaster bottom paper roll, and the second unwinding roller is used for placing a plaster surface paper roll; the cooling mechanism comprises a first cooling air group and a second cooling air group, and the first cooling air group and the second cooling air group are both provided with a plurality of cooling fans.

2. A plaster making machine according to claim 1, wherein the first deviation correcting mechanism comprises a first support, a first driving motor, a first ball screw mechanism, a first adjusting block, a first guide post and a first guide sleeve, wherein the first driving motor drives a first screw of the first ball screw mechanism, the first ball screw mechanism is connected with the first unwinding roller through the first adjusting block, and the first driving motor drives the first ball screw mechanism and further drives the first unwinding roller to move back and forth; the first guide sleeve and the first guide column are matched and fixed on the first support, and the first adjusting block moves back and forth on the first guide column through the first guide sleeve;

the second deviation correcting mechanism comprises a second support, a second driving motor, a second ball screw mechanism, a second adjusting block, a second guide post and a second guide sleeve, wherein the second driving motor drives a second screw of the second ball screw mechanism; the second guide sleeve and the second guide column are matched and fixed on the second support, and the second adjusting block moves back and forth on the second guide column through the second guide sleeve.

3. A plaster making machine according to claim 1, wherein a transverse chute and a longitudinal chute are provided on said base, said first unwinding roller and said second unwinding roller are both fixed to the transverse chute and are movable on the transverse chute, said first unwinding guide roller and said second unwinding guide roller are both fixed to the transverse chute or the longitudinal chute and are movable on the transverse chute or the longitudinal chute.

4. A plaster making machine as claimed in claim 2, wherein the first deviation correcting mechanism further comprises a first opto-electronic switch and the second deviation correcting mechanism further comprises a second opto-electronic switch.

5. A plaster making machine according to claim 1, wherein said coating mechanism comprises a front plaster stop, two side plaster stops, a support plate and a scraper, wherein the front plaster stop, the two side plaster stops and the scraper enclose a closed shape and are arranged above the support plate, and a first gap is left between the support plate and a side of the front plaster stop close to the first unwinding guide roller, the scraper is arranged at a side far from the first unwinding guide roller, and the distance between the scraper and the support plate is adjustable.

6. A plaster making machine according to claim 1, wherein said slicing knife assembly comprises an upper knife roll and a lower knife roll, the axes of the upper knife roll and the lower knife roll are parallel up and down, and the upper knife roll and the lower knife roll are rotatably mounted on a knife base plate on the base, and a semi-finished plaster to be cut is passed through a gap between the upper knife roll and the lower knife roll, wherein the lower knife roll is a smooth roll, the upper knife roll is provided with a closed-shaped cutting edge, and the upper knife roll is covered with an elastic rubber sheet.

7. A plaster making machine as claimed in claim 6, wherein pressure-bearing bearings are symmetrically provided on both sides above the upper knife roll, and the pressure-bearing bearings are pressed against the upper knife roll by a cylinder; and a guide roller is arranged between the first cooling air group and the second cooling air group.

8. A plaster making machine according to claim 5, wherein said scraper is connected to a scraper height adjustment means comprising an adjustment block, an adjustment screw, an adjustment nut, a dial gauge and an adjustment spring, said adjustment screw being connected to the adjustment nut and being inserted into the adjustment block, the adjustment block being connected to the scraper; the lower end of the dial indicator is inserted into the adjusting block and props against the scraper; the adjusting spring is arranged in a gap between the supporting plate and the adjusting block and elastically supports the scraper.

9. A plaster making machine according to claim 1, wherein a plaster separating roller is provided on the side of said conveyor belt near the cutter unit, said plaster separating roller being in contact with the conveyor belt and rotating with the conveyor belt.

Technical Field

The invention relates to the technical field of plaster preparation, in particular to a plaster making machine.

Background

The plaster is prepared by decocting vegetable oil or animal oil into colloidal matter, coating on one surface of cloth, paper or skin, sealing with release paper, removing the base material, and applying the release paper on the affected part to allow the medicine to act on the affected part for a long time. The existing method for preparing the plaster comprises the following steps: manual manufacturing, semi-automatic operation and factory automation production. The manual plaster can be only made by single piece, the working efficiency is extremely low, the requirements of small-batch making in departments, small clinics or experimental research institutes of hospitals and the like cannot be met, the manual plaster is not uniformly coated, and the plaster quantity is not easy to control; the semi-automatic operation adopts a matching mode of electric operation and manual operation, belongs to semi-automatic operation, has low efficiency, and is not easy to adjust when plaster with different thicknesses and sizes are manufactured; the whole production line for manufacturing the plaster patches in the factory is large in volume, and the plaster patches cannot be moved to each department of a hospital, a clinic or a laboratory and research institute for small-batch production.

The invention patent of application publication No. CN105853231A discloses a full-automatic plaster spreading machine, which comprises a material injection device, a tabletting mechanism and a cutting mechanism. When using, the plaster is endured in the compounding pot to annotate medicine and tectorial membrane to plaster cloth through annotating material mechanism, accomplish the back, start the cylinder of preforming mechanism, carry out even pressure mud flat to the preceding piece plaster of annotating, compress tightly plaster cloth and membrane, then through preforming slide rail and ball to cutting mechanism steady movement, when reaching the stroke stop, stop to pull, cut the mechanism and start, cut the completion, feed roll and pay-off slide collect the plaster of preforming. The full-automatic plaster spreading machine is suitable for manufacturing plaster with the width of the plaster base cloth completely the same as that of finished plaster tablets, the requirement on the conveying of the plaster base cloth and the coating film is too high, the width of the plaster base cloth and the width of the coating film are the same, the plaster base cloth and the coating film can be just relatively attached in the coating process, the precision is difficult to achieve, and further the manufactured plaster tablets are inconsistent in shape, are not attractive and have high defective rate. More importantly, along with the change of the external environment and the possible need of coating the plasters with different thicknesses, the temperature of the plaster is not easy to control when a pressing mechanism of the spreading machine presses the injected previous plaster, the plaster possibly penetrates through release paper due to overhigh temperature of the plaster, and the combination degree of the plaster and the release paper is not good due to overlow temperature of the plaster, so that the defective rate is greatly improved.

Disclosure of Invention

The invention aims to provide a plaster making machine which can meet the requirements of small-batch making in departments of hospitals, small clinics or experimental research institutes and the like, has low processing cost, high plaster smearing uniformity, simple and convenient plaster quantity control, high plaster surface paper and plaster bottom paper conveying precision and good pasting effect.

In order to achieve the purpose, the invention adopts the following technical scheme:

a plaster making machine comprises a machine base, wherein a first unwinding roller, a first unwinding guide roller, a second unwinding roller and a second unwinding guide roller are arranged on the machine base, the first unwinding roller is used for placing a plaster bottom paper roll, the second unwinding roller is used for placing a plaster surface paper roll, the plaster making machine further comprises a coating mechanism, a cooling mechanism, a laminating traction roller set, a slicing knife set, a conveying belt, a winding roller, a first deviation correcting mechanism and a second deviation correcting mechanism, wherein the coating mechanism, the cooling mechanism and the laminating traction roller set are sequentially arranged at the right side of the first unwinding guide roller, the second unwinding roller is movably arranged above the coating mechanism, and the winding roller is arranged at the upper right side of the slicing knife set; the cooling mechanism comprises a first cooling air group and a second cooling air group, and the first cooling air group and the second cooling air group are both provided with a plurality of cooling fans.

Preferably, the first deviation correcting mechanism comprises a first support, a first driving motor, a first ball screw mechanism, a first adjusting block, a first guide post and a first guide sleeve, wherein the first driving motor drives a first screw of the first ball screw mechanism, the first ball screw mechanism is connected with the first unwinding roller through the first adjusting block, and the first driving motor drives the first ball screw mechanism to further drive the first unwinding roller to move back and forth; the first guide sleeve and the first guide column are matched and fixed on the first support, and the first adjusting block moves back and forth on the first guide column through the first guide sleeve; the second deviation correcting mechanism comprises a second support, a second driving motor, a second ball screw mechanism, a second adjusting block, a second guide post and a second guide sleeve, wherein the second driving motor drives a second screw of the second ball screw mechanism; the second guide sleeve and the second guide column are matched and fixed on the second support, and the second adjusting block moves back and forth on the second guide column through the second guide sleeve.

Preferably, be equipped with horizontal spout and vertical spout on the frame, first unreeling roller and second unreel the roller and all fix on horizontal spout to first unreeling roller and second unreel the roller homoenergetic and move on horizontal spout, first unreel the guide roll and the second unreel the guide roll and all fix on horizontal spout or vertical spout, and first unreel the guide roll and the second unreel the guide roll homoenergetic and move on horizontal spout or vertical spout.

Preferably, the first deviation rectifying mechanism further comprises a first photoelectric switch, and the second deviation rectifying mechanism further comprises a second photoelectric switch.

Preferably, the coating mechanism comprises a front plaster baffle, two side plaster baffles, a supporting plate and a scraper, wherein the front plaster baffle, the two side plaster baffles and the scraper are enclosed into a closed shape and are arranged above the supporting plate, a first gap is reserved between one surface of the front plaster baffle, which is close to the first unreeling guide roller, and the supporting plate, the scraper is arranged on one surface, which is far away from the first unreeling guide roller, and the distance between the scraper and the supporting plate is adjustable.

Preferably, the slicing knife group comprises an upper knife roll and a lower knife roll, the axes of the upper knife roll and the lower knife roll are parallel up and down, the upper knife roll and the lower knife roll are rotatably assembled on a knife seat plate on a machine seat, a semi-finished plaster to be cut passes through a gap between the upper knife roll and the lower knife roll, the lower knife roll is a smooth roll, a closed cutting edge is arranged on the upper knife roll, and an elastic rubber is wrapped on the upper knife roll.

Preferably, pressure-bearing bearings are symmetrically arranged on two sides above the upper knife roll and are pressed on the upper knife roll through air cylinders; and a guide roller is arranged between the first cooling air group and the second cooling air group.

Preferably, the scraper is connected with a scraper height adjusting device, the scraper height adjusting device comprises an adjusting block, an adjusting screw, an adjusting nut, a dial indicator and an adjusting spring, the adjusting screw is connected with the adjusting nut and is inserted into the adjusting block, and the adjusting block is connected with the scraper; the lower end of the dial indicator is inserted into the adjusting block and props against the scraper; the adjusting spring is arranged in a gap between the supporting plate and the adjusting block and elastically supports the scraper.

Further preferably, a plaster separation roller is arranged on the side, close to the slicing knife group, of the conveyor belt, and the plaster separation roller is in contact with the conveyor belt and rotates along with the conveyor belt.

In the technical scheme, the first unwinding roller is used for placing a plaster bottom paper roll and guiding the plaster bottom paper roll to the coating mechanism through the first guide roller, and the second unwinding roller is used for placing a plaster surface paper roll and guiding the plaster surface paper roll through the second guide roller; when the plaster base paper roll is unreeled, the first deviation correcting mechanism is matched with the first photoelectric switch, and the edge position of the plaster base paper is monitored at any time, so that the plaster base paper is always kept at a preset position; the plaster base paper penetrates through the first gap and takes away the plaster in the coating mechanism, the redundant plaster on the plaster base paper is scraped by a scraper, and the plaster on the plaster base paper is limited to a specific thickness; selecting the working states of the first cooling air group and the second cooling air group or the position of the second unwinding roller (namely the position of a plaster surface paper roll) according to the plaster coating thickness and temperature, so that plaster bottom paper with plaster is cooled to a proper temperature after passing through the first cooling air group and/or the second cooling air group, and is primarily attached to plaster surface paper between the first cooling air group and the second cooling air group or at a proper position behind the second cooling air group, so that different cooling capacities can be adjusted according to different plaster thicknesses and plaster temperatures, the plaster is attached to the plaster surface paper in a proper state, and the situation that the plaster penetrates through release paper due to overhigh temperature and the combination degree of the plaster and the release paper is poor due to overlow temperature is avoided; when the plaster face paper roll is unreeled, the second deviation correcting mechanism is matched with the second photoelectric switch, and the edge position of the plaster face paper is monitored at any time, so that the plaster face paper is always kept at a preset position and is attached to the plaster base paper more accurately; the sticking traction roller set is used for drawing and sticking the plaster bottom paper with the plaster and the plaster surface paper, and drawing the semi-finished plaster to the slicing knife set; the semi-finished plaster to be cut penetrates through a gap between the upper knife roll and the lower knife roll, the semi-finished plaster to be cut is cut into plaster finished products one by matching the upper knife roll and the lower knife roll, and meanwhile, the elastic rubber on the upper knife roll prevents the plaster finished products from being inlaid in a cutting edge in a closed shape after being cut; the plaster separation roller presses the cut plaster finished product and further separates the plaster finished product from the leftover materials, so that the plaster finished product is prevented from being rolled to a winding roller along with the leftover materials without being separated from the leftover materials in time. The plaster making machine can meet the requirements of small-batch making in departments, small clinics or experimental research institutes of hospitals, and has the advantages of high plaster smearing uniformity, simple and convenient plaster quantity control, high plaster surface paper and plaster bottom paper conveying precision and good laminating effect.

Drawings

Fig. 1 is a schematic view of a plaster making machine according to the present invention;

fig. 2 is a schematic view of a coating mechanism of the plaster making machine of the present invention;

fig. 3 is a schematic view of a coating mechanism of the plaster making machine of the present invention;

fig. 4 is a schematic diagram of a first deviation rectifying mechanism of the plaster making machine of the present invention.

Detailed Description

The invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1, 2, 3 and 4, the plaster making machine includes a base 10, and the length direction of the base 10 is defined as the left-right direction, i.e. the plaster conveying direction. A first unreeling roller 20 for placing a plaster base paper roll, a first unreeling guide roller 21, a second unreeling roller 30 for placing a plaster surface paper roll, a second unreeling guide roller 31, a coating mechanism 40, a cooling mechanism 50, a bonding traction roller set 60, a slicing knife set 70, a conveyor belt 80 for conveying cut plaster tablets, a reeling roller 90, a first deviation correcting mechanism 100 and a second deviation correcting mechanism 110 are arranged on the machine base 10, wherein the coating mechanism 40, the cooling mechanism 50 and the bonding traction roller set 60 are sequentially arranged on the right side of the first unreeling guide roller 21, the second unreeling roller 30 is movably arranged above the coating mechanism 40, and the reeling roller 90 is arranged on the right upper side of the slicing knife set 70 and used for recycling corners cut by the slicing knife set 70; the cooling mechanism 50 comprises a first cooling air group 51 and a second cooling air group 52, the first cooling air group 51 and the second cooling air group 52 are respectively provided with a plurality of cooling fans 53, and a guide roller 22 is arranged between the first cooling air group 51 and the second cooling air group 52 to further support plaster base paper with plaster; by selecting the working states of the first cooling air set 51 and the second cooling air set 52, the cooling mechanism 50 has different cooling capacities, so as to meet the requirements of cooling different plaster temperatures and plaster thicknesses, and avoid that when plaster base paper and plaster surface paper with plaster are adhered, the temperature of the plaster is too high or too low, so that the plaster penetrates through the release paper, or the combination degree of the plaster and the release paper is not good, so that defective products are caused. A plurality of intermediate guide rollers 12 may be further provided under the first cooling air group 51 and the second cooling air group 52 to support and guide the plaster substrate with plaster. In this embodiment, the first deviation rectification mechanism 100 includes a first bracket 101, a first driving motor 102, a first ball screw mechanism 103, a first adjusting block 104, a first guide post 105 and a first guide sleeve 106, wherein the first driving motor 102 drives a first screw of the first ball screw mechanism 103, the first ball screw mechanism 103 is connected to the first unwinding roller 20 through the first adjusting block 104, and the first driving motor 102 drives the first ball screw mechanism 103 to further drive the first unwinding roller 20 to move back and forth; a first guide sleeve 106 and a first guide column 105 are matched and fixed on the first support 101, and the first adjusting block 104 moves back and forth on the first guide column 105 through the first guide sleeve 106; the first deviation correcting mechanism 100 further comprises a first photoelectric switch, the edge position of the plaster base paper is monitored at any time through the first photoelectric switch, and the first photoelectric switch is linked with the first driving motor 102, so that the plaster base paper is always kept at a preset position;

similarly, the second deviation rectifying mechanism 110 includes a second bracket, a second driving motor, a second ball screw mechanism, a second adjusting block, a second guide post, a second guide sleeve and a second photoelectric switch, the second driving motor drives a second screw of the second ball screw mechanism, the second ball screw mechanism is connected with the second unwinding roller 30 through the second adjusting block, and the second driving motor drives the second ball screw mechanism to further drive the second unwinding roller 30 to move back and forth; the second guide sleeve and the second guide column are matched and fixed on the second support, and the second adjusting block moves back and forth on the second guide column through the second guide sleeve; monitor plaster facial tissue border position often through second photoelectric switch to with the linkage of second driving motor, so that plaster facial tissue remains throughout and presets the position, realize the more accurate laminating of plaster facial tissue and plaster base stock.

In a preferred embodiment, a transverse chute 13 and a longitudinal chute 14 are provided on the chassis 10, the first unwinding roller 20 and the second unwinding roller 30 are fixed on the transverse chute 13, the first unwinding guide roller 21 and the second unwinding guide roller 31 are fixed on the transverse chute 13 or the longitudinal chute 14, so that the first unwinding roller 20 and the second unwinding roller 30 can move on the transverse chute 13, the first unwinding guide roller 21 and the second unwinding guide roller 31 can move on the transverse chute 13 and the longitudinal chute 14, the positions of the first unwinding roller 20 and the second unwinding roller 30 (i.e. plaster roll positions) are selected according to the thickness and temperature of plaster application, the first unwinding guide roller 21 and the second unwinding guide roller 31 are cooperatively moved, so that plaster backing paper with plaster is cooled to a proper temperature after passing through the first cooling air set 51 and/or the second cooling air set 52, and the plaster backing paper is between the first cooling air set 51 and the second cooling air set 53, or a suitable position after the second cooling air unit 52 to achieve the plaster with the plaster surface paper in a suitable state.

In another preferred embodiment, the coating mechanism 40 includes a front plaster board 41, a support board 42, a scraper 43 and two side plaster boards 44, wherein the front plaster board 41, the two side plaster boards 44 and the scraper 43 are enclosed into a closed shape and are disposed above the support board 42 for storing plaster, the closed shape is generally rectangular to accommodate a strip-shaped plaster base paper, a first gap (not shown) is left between the side of the front plaster board 41 close to the first unwinding guide roller 21 and the support board 42, the scraper 43 is disposed at the side far from the first unwinding guide roller 21, and the distance between the scraper 43 and the support board 42 is adjustable. The plaster backing is thus guided to the coating means 40 by the first guide roller 21, passes through the first gap and carries away the plaster in the coating means 40, and the scraper 43 then scrapes off excess plaster on the plaster backing to a certain thickness; the plaster is a paste, and the first gap is only slightly larger than the thickness of the plaster base paper, so that the plaster base paper can smoothly penetrate in and out from the first gap, but the plaster cannot overflow from the first gap, and the scraper 43 is linear, so that the coating uniformity of the plaster is ensured; in this embodiment, the positions of the two plaster side guards 44 are adjustable so as to adjust the width of the plaster falling on the plaster base paper; a plurality of intermediate guide rollers 12 may be further provided under the first cooling air group 51 and the second cooling air group 52 to support and guide the plaster substrate with plaster. The scraper 43 is adjusted by a scraper height adjusting device 120 to be spaced from the supporting plate 42, and the scraper height adjusting device 120 comprises an adjusting block 121, an adjusting screw 122, an adjusting nut 123, a dial indicator 124 and an adjusting spring 125; one end of the adjusting screw 122 is connected with the adjusting nut 123, the other end of the adjusting screw is inserted into the adjusting block 121, the adjusting block 121 is connected with the scraper 43, the adjusting nut 123 is screwed to drive the scraper 43 to move up and down, and then the distance between the scraper 43 and the supporting plate 42 is adjusted; the lower end of the dial indicator 124 is inserted into the adjusting block 121 and abuts against the scraper 43, the dial indicator 124 converts the adjustment amount of the adjusting nut 123 into a digital amount, the adjusting precision of the height adjusting device 120 is further improved, and an adjusting spring 125 is arranged between the supporting plate 42 and the adjusting block 121, so that the scraper 43 is elastically supported by the adjusting spring 125, and the sliding phenomenon during adjustment of the adjusting nut 123 is avoided; the adjusting screw 122, the adjusting nut 123, the dial indicator 124 and the adjusting spring 125 are symmetrically arranged on two sides of the scraper 43, so that the adjustment amount of the two sides of the scraper 43 is consistent, and the plaster can be uniformly and accurately applied.

In another preferred embodiment, the slicing knife group 70 comprises an upper knife roll 71 and a lower knife roll 72, the axes of the upper knife roll 71 and the lower knife roll 72 are parallel up and down, and the upper knife roll 71 and the lower knife roll 72 are both rotatably assembled on the knife seat plate 11 on the machine base 10, wherein the lower knife roll 72 is a smooth roll, the upper knife roll 71 is provided with a closed-shaped cutting edge, and the upper knife roll 71 is wrapped with an elastic rubber sheet 73, and the closed-shaped cutting edge is generally oval or rectangular. Thus, the semi-finished plaster to be cut passes through the gap between the upper knife roll 71 and the lower knife roll 72, the upper knife roll 71 and the lower knife roll 72 are matched to cut the strip-shaped semi-finished plaster into finished plaster one by one, meanwhile, the elastic rubber 73 on the upper knife roll 71 prevents the finished plaster from being cut and then embedded in the cutting edge in a closed shape, the finished plaster is ensured to be smoothly separated from the cutting edge and fall off onto the conveyor belt 80, the finished plaster is conveyed to a finished plaster box by the conveyor belt 80, and leftover materials cut by the slicing knife group 70 are recovered by the winding roll 90; in this embodiment, a plaster separation roller 81 is disposed on the side of the conveyor belt 80 close to the slicing knife assembly 70, and the plaster separation roller 81 contacts with the conveyor belt 80 and rotates along with the conveyor belt 80, so that the plaster separation roller 81 can press the cut plaster finished product and further separate the plaster finished product from the leftover, and the plaster finished product is prevented from being rolled up to the winding roller 90 along with the leftover without being separated from the leftover in time. In order to further ensure that the cutting force of the upper knife roll 71 during cutting is balanced along the axial direction of the upper knife roll 71, pressure-bearing bearings 74 are symmetrically arranged on two sides above the upper knife roll 71, the pressure-bearing bearings 74 are pressed on the upper knife roll 71 through air cylinders, the two sides of the upper knife roll 71 are symmetrically pressed through the pressure-bearing bearings 74, the pressing force of the two sides of the upper knife roll 71 is automatically adjusted through the air cylinders, the pressing force of the upper knife roll 71 is adjusted through the experience of workers in the past, the pressing force of the two sides of the upper knife roll 71 is easily inconsistent due to insufficient experience of the workers, the two sides of a long-strip-shaped semi-finished plaster or plaster finished plaster are stressed inconsistently, one side of the plaster is cut, and the other side of the plaster is accumulated near the upper knife roll 71, so that the defective rate of the plaster is greatly increased.

In another preferred embodiment, the support plate 42 and the scraper 43 are both connected to heating means, by means of which the support plate 42 and the scraper 43 are heated, so that the plaster is prevented from sticking to the scraper 43 when the plaster maker is just switched on, when the temperature of the scraper 43 is too low.

In the above technical solution, a plaster base paper roll is placed on the first unwinding roller 20, and the plaster base paper is guided by the first unwinding guide roller 21, passes out from the first gap to the upper side of the support plate 42, and then passes out from the gap between the scraper 43 and the support plate 42; the width of the plaster base paper is larger than the width of the enclosed shape formed by the plaster baffle plate 41 and the scraper 43, so that the enclosed shape formed by the plaster baffle plate 41 and the scraper 43 is completely arranged above the plaster base paper, and the plaster is not coated outside the plaster base paper by the coating mechanism 40; adjusting the positions of the two plaster side baffles 44 so as to adjust the width of the plaster falling on the plaster base paper; adding plaster into the coating mechanism 40, and scraping off the surplus plaster on the plaster base paper by the scraper 43 to limit the plaster on the plaster base paper to a specific thickness; the first cooling air set 51 and/or the second cooling air set 52 are/is selectively opened according to the temperature and thickness of the plaster to be cooled, so that the cooling mechanism 50 has different cooling capacities, and the plaster with different thicknesses and different temperatures is cooled to the proper temperature and then compounded with the plaster surface paper; the plaster face paper roll is placed on the second unreeling roller 30, guided to the position above the plaster base paper coated with the plaster through the second unreeling guide roller 31, then the plaster base paper with the plaster and the plaster face paper are drawn and attached through the attaching drawing roller group 60, and the semi-finished plaster is drawn to the slicing knife group 70; the semi-finished plaster to be cut penetrates through a gap between the upper knife roll 71 and the lower knife roll 72, the semi-finished plaster to be cut is cut into plaster finished products one by matching the upper knife roll 71 and the lower knife roll 72, and meanwhile, the elastic rubber 73 on the upper knife roll 71 prevents the plaster finished products from being inlaid in a closed cutting edge after being cut; finally, the plaster finished product is smoothly separated from the cutting edge and falls off to the conveyor belt 80, the plaster finished product is conveyed to the plaster finished product box by the conveyor belt 80, and the leftover materials cut by the slicing knife group 70 are recovered by the winding roller 90. When the plaster base paper roll is unreeled, the first deviation correcting mechanism 100 is matched with the first photoelectric switch, and the edge position of the plaster base paper is monitored at any time, so that the plaster base paper is always kept at a preset position; when the plaster face paper roll is unreeled, the second deviation rectifying mechanism 110 is matched with the second photoelectric switch, and the edge position of the plaster face paper is monitored at any time, so that the plaster face paper is always kept at a preset position and is more accurately attached to the plaster base paper, the conveying precision of the plaster face paper and the plaster base paper is greatly improved, and the attaching effect is good.

The embodiment is only for explaining the conception and the implementation of the invention, and does not limit the same, and the technical solution without substantial change is still in the protection scope under the conception of the invention.