Coating equipment for plaster

Abstract

The utility model discloses coating equipment for plaster, and relates to the technical field of plaster coating, the coating equipment comprises a material extruding device, an adjusting roller, a conveying device and an adjusting device, the material extruding device is used for extruding plaster, the material extruding device is provided with a material outlet, and the end face of the material outlet is provided with a scraping plate; a rotating shaft of the adjusting roller is parallel to the length direction of the scraper; the conveying device is used for conveying the coil stock, and a conveying path of the conveying device penetrates through the position between the discharging port and the adjusting roller. The adjusting device is in transmission connection with the adjusting roller and can drive the adjusting roller to move so as to change the distance between the adjusting roller and the scraper. According to the coating equipment for the plaster, disclosed by the utility model, the coating thickness of the plaster is easy to control, and the coating equipment has better coating uniformity.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastering paste coating technical field, especially in a kind of coating equipment for plastering paste. BACKGROUND

[0002] Plastering paste refers to the medicine that is made into gel by plant oil or animal oil or is mixed with base, is coated on the one side of cloth, paper or leather, and is made, can be pasted in the medicine of long time in the affected area, so plastering paste generally includes ointment part and roll stock part.

[0003] In preparation plastering paste, generally using coating equipment is automatically coated ointment on the surface of roll stock, but the coating equipment of present all is by controlling the moving speed of roll stock to change the thickness of ointment, this mode is difficult to accurately control ointment thickness, that is difficult to control the coating thickness of plastering paste, and there is the problem of uneven plastering paste coating. UTILITY MODEL CONTENT

[0004] The utility model aims at at least one of the technical problems existing in prior art is solved.For this reason, the utility model provides a kind of coating equipment for plastering paste, and the coating thickness of plastering paste is easily controlled, and has better coating uniformity.

[0005] According to the coating equipment for plastering paste of the utility model embodiment, it include: extrusion device, the extrusion device is used to extrude ointment, the extrusion device has discharge port, and the end surface of discharge port is equipped with scraper;

[0006] Adjusting roller, the rotating shaft of adjusting roller is parallel with the length direction of scraper;

[0007] Conveying device, the conveying device is used to convey roll stock, and the conveying path of conveying device passes between discharge port and adjusting roller;

[0008] Adjusting device, adjusting device is drivingly connected with adjusting roller, and adjusting device can drive adjusting roller to move to change the distance between adjusting roller and scraper.

[0009] According to the coating equipment for plastering paste of the utility model embodiment, at least has following beneficial effects: conveying device is used to convey roll stock, and controls roll stock to pass through adjusting roller;Discharge port of extrusion device is equipped with scraper, and roll stock moves along the surface of adjusting roller, by controlling the distance between adjusting roller and scraper, realizes the control of ointment thickness;At the same time, the ointment coated on roll stock is affected by scraper, and is evenly spread, so it has better coating uniformity;The distance between adjusting roller and scraper is controlled by adjusting device, and it is easy to adjust, so the coating thickness of plastering paste is easily controlled.

[0010] According to some embodiments of the present application, the extrusion device is provided with a strip-shaped discharge port, a long side of the discharge port is a length direction, a short side of the discharge port is a width direction, and the scraper is arranged in the length direction of the discharge port.

[0011] According to some embodiments of the present application, the scraper is arranged around the discharge port, so that the scraper is annular, the end of the scraper is provided with a guide slope, and the guide slope is configured to be along the rotation direction of the adjusting roller, and the distance between the scraper and the adjusting roller gradually shortens.

[0012] According to some embodiments of the present application, the adjusting device comprises a mounting seat, a guide rail and a driving mechanism, the adjusting roller is arranged on the mounting seat, the guide rail is vertically arranged, the mounting seat is slidingly connected to the guide rail, and the adjusting roller is located below the discharge port, and the driving mechanism is drivingly connected to the mounting seat to drive the mounting seat to move along the guide rail.

[0013] According to some embodiments of the present application, the driving mechanism comprises a first motor, a gear and a rack, the rack is parallel to the guide rail, the rack is fixedly connected to the mounting seat, the gear is drivingly connected to the first motor, and the gear is in meshing transmission with the rack.

[0014] According to some embodiments of the present application, the driving mechanism comprises a second motor, a lead screw and a sleeve, the lead screw is parallel to the guide rail, the sleeve is fixedly connected to the mounting seat, the sleeve is sleeved on the lead screw, the lead screw is drivingly connected to the second motor, and the second motor can drive the lead screw to rotate, so that the sleeve moves along the lead screw.

[0015] According to some embodiments of the present application, the conveying device comprises an unwinding assembly, a winding assembly and a plurality of guide rollers, the unwinding assembly and the winding assembly are arranged at intervals, the adjusting roller is located between the unwinding assembly and the winding assembly, a plurality of the guide rollers are arranged between the unwinding assembly and the winding assembly, and the material roll sequentially passes through the unwinding assembly, the guide rollers between the unwinding assembly and the adjusting roller, the adjusting roller, the guide rollers between the adjusting roller and the winding assembly, and the winding assembly.

[0016] According to some embodiments of the present application, the adjusting roller further comprises a plurality of through holes in the roller surface, a gas guide channel is further arranged on the adjusting roller, the through holes are in communication with the gas guide channel, and the vacuumizing device is in communication with the gas guide channel.

[0017] According to some embodiments of the present application, the vacuumizing device comprises a vacuum pump and a rotary joint, the air guide channel has a connecting end, the connecting end of the air guide channel is located at the rotation center of the adjusting roller, the rotary joint is in communication with the connecting end of the air guide channel, and the vacuum pump is in communication with the rotary joint.

[0018] According to some embodiments of the present application, the adjusting roller comprises a rotary part in the shape of an annular column and a fixed part in the shape of a column, the rotary part is sleeved on the fixed part, the fixed part is provided with a first channel, the sidewall of the fixed part is provided with a first opening, the first opening is in communication with the first channel, the outer surface of the rotary part is provided with a plurality of through holes, the rotary part is provided with a plurality of second channels, the inner surface of the rotary part is provided with a plurality of second openings, a plurality of adsorption zones are divided along the circumference of the rotary part, the through holes in each adsorption zone are in communication with the second channels, the second channels are in communication with the second openings, the second channels in different adsorption zones are not in communication with each other, and the first opening and the second opening are configured to be in communication with each other only when the rotary part rotates.

[0019] Additional aspects and advantages of the present application will be given in part in the following description, become apparent from the following description, or be understood by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0020] The present application will be further described below in combination with the drawings and embodiments, in which:

[0021] Figure 1 A structure schematic view of the coating equipment for pasting plaster according to the embodiments of the present application;

[0022] Figure 2 A structure schematic view of the adjusting device and the adjusting roller according to the embodiments of the present application;

[0023] Figure 3 A partial sectional structure schematic view of the adjusting roller according to the embodiments of the present application.

[0024] LIST OF REFERENCE NUMERALS

[0025] Extrusion device 100, scraper 110, adjusting roller 200, rotary part 210, second channel 211, fixed part 220, first channel 221, conveying device 300, unwinding assembly 310, winding assembly 320, guide roller 330, adjusting device 400, mounting seat 410, guide rail 420, driving mechanism 430, first motor 431, gear 432, rack 433, vacuumizing device 500. DETAILED DESCRIPTION

[0026] The embodiments of the present application are described below in detail, and examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for explaining the present application, and should not be understood as a limitation of the present application.

[0027] In the description of the present application, it should be understood that, in relation to the orientation description, for example, the orientation or position relationship indicated by up, down and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be understood as a limitation of the present application.

[0028] In the description of the present application, the plural means two or more. If there is a description of first, second, it is only for the purpose of distinguishing technical features, and should not be understood as indicating or implying relative importance or implying indicating the number of technical features indicated or implying indicating the sequence of technical features indicated.

[0029] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting and the like should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.

[0030] As described in the background, when the moving speed of the roll material is adjusted to control the coating thickness of the adhesive, the faster moving speed of the roll material is more likely to cause uneven coating of the adhesive. Specifically, in the mode of adjusting the moving speed of the roll material, the faster the moving speed of the roll material, the shorter the time the roll material stays at the extrusion device, and the thinner the adhesive coated on the roll material; the slower the moving speed of the roll material, the longer the time the roll material stays at the extrusion device, and the thicker the adhesive coated on the roll material. When the moving speed of the roll material is too fast, the adhesive is not evenly distributed on the roll material before being moved away from the extrusion device, so the adhesive is more unevenly distributed.

[0031] Referring to Figure 1 The present application provides an embodiment of a coating device for adhesive, which comprises an extrusion device 100, an adjusting roller 200, a conveying device 300 and an adjusting device 400.

[0032] The extruding device 100 is used for extruding paste, and has a discharge port, an end surface of the discharge port is provided with a scraper 110; a rotation axis of the adjusting roller 200 is parallel to the length direction of the scraper 110; the conveying device 300 is used for conveying a roll material, and a conveying path of the conveying device 300 passes through the discharge port and the adjusting roller 200; the adjusting device 400 is in driving connection with the adjusting roller 200, and the adjusting device 400 can drive the adjusting roller 200 to move so as to change the distance between the adjusting roller 200 and the scraper 110.

[0033] The conveying device 300 is used for conveying a roll material and controlling the roll material to pass through the adjusting roller 200. The discharge port of the extruding device 100 is provided with the scraper 110, the roll material moves along the surface of the adjusting roller 200, and the thickness of the paste is controlled by controlling the distance between the adjusting roller 200 and the scraper 110. Specifically, the paste is extruded from the discharge port and coated on the roll material on the surface of the adjusting roller 200, the roll material moves with the rotation of the adjusting roller 200, the paste is evenly spread on the roll material by the scraper 110, and the thickness of the paste on the roll material is the distance between the scraper 110 and the surface of the adjusting roller 200.

[0034] The paste coated on the roll material is evenly spread by the action of the scraper 110, and has better coating uniformity.

[0035] The distance between the adjusting roller 200 and the scraper 110 is controlled by the adjusting device 400, and is easy to adjust, so that the coating thickness of the paste is easy to control.

[0036] It can be understood that the extruding device 100 is provided with a strip-shaped discharge port, a long side of the discharge port is the length direction, a short side of the discharge port is the width direction, and the scraper 110 is arranged in the length direction of the discharge port.

[0037] Preferably, the length of the discharge port can be arranged to be consistent with the axial length of the adjusting roller 200, and the length of the scraper 110 is consistent with the length of the discharge port, and at the same time, the width of the roll material on the adjusting roller 200 is also consistent with the axial length of the adjusting roller 200.

[0038] It can be understood that the scraper 110 is arranged around the discharge port, so that the scraper 110 is annular, the end portion of the scraper 110 is provided with a guide inclined surface, and the guide inclined surface is configured to gradually shorten the distance between the scraper 110 and the adjusting roller 200 along the rotation direction of the adjusting roller 200.

[0039] Since the surface of the adjusting roller 200, i.e. the roller surface, is a curved surface, a guide slope is arranged at the end of the doctor blade 110, which is beneficial for the doctor blade 110 to perform doctoring on the material on the roller surface of the adjusting roller 200. It should be understood that the distance between the doctor blade 110 and the adjusting roller 200, i.e. the distance between the guide slope of the doctor blade 110 and the roller surface of the adjusting roller 200. Along the rotation direction of the adjusting roller 200, the distance between the doctor blade 110 and the adjusting roller 200 gradually shortens, and the shortest distance between the doctor blade 110 and the adjusting roller 200 is the thickness of the coating after the doctoring.

[0040] Referring to Figure 2 It can be understood that the adjusting device 400 includes a mounting seat 410, a guide rail 420 and a driving mechanism 430, the adjusting roller 200 is arranged on the mounting seat 410, the guide rail 420 is arranged vertically, the mounting seat 410 is slidably connected to the guide rail 420, and the adjusting roller 200 is located below the discharge port, and the driving mechanism 430 is drivingly connected to the mounting seat 410 to drive the mounting seat 410 to move along the guide rail 420.

[0041] The adjusting roller 200 is arranged on the mounting seat 410, and only the mounting seat 410 needs to be moved to drive the adjusting roller 200 to move as a whole to change the distance between the adjusting roller 200 and the doctor blade 110. The driving mechanism 430 provides power to drive the mounting seat 410 to move, and the guide rail 420 guides the movement of the mounting seat 410.

[0042] Referring to Figure 2 It can be understood that in some embodiments, the driving mechanism 430 includes a first motor 431, a gear 432 and a rack 433, the rack 433 is parallel to the guide rail 420, the rack 433 is fixedly connected to the mounting seat 410, the gear 432 is drivingly connected to the first motor 431, and the gear 432 is in meshing transmission with the rack 433.

[0043] The first motor 431 drives the gear 432 to rotate, the gear 432 is in meshing transmission with the rack 433, the first motor 431 is fixed in position, and therefore the rack 433 moves along the length direction of the rack 433 to drive the mounting seat 410 and the adjusting roller 200 to move along the guide rail 420.

[0044] It should be understood that in other embodiments, the first motor 431 can also be arranged on the mounting seat 410, but the rack 433 needs to be fixed, and at this time when the first motor 431 drives the gear 432 to rotate, the rack 433 is fixed and cannot move, the gear 432 moves along the length direction of the rack 433, and drives the first motor 431 and the mounting seat 410 to move along the length direction of the rack 433, i.e. to move along the guide rail 420.

[0045] It can be understood that in other embodiments, the driving mechanism 430 includes a second motor, a screw rod parallel to the guide rail 420, and a sleeve fixedly connected to the mounting base 410, the sleeve being sleeved on the screw rod, the screw rod being in transmission connection with the second motor, and the second motor being capable of driving the screw rod to rotate so that the sleeve moves along the screw rod.

[0046] The second motor drives the screw rod to rotate, and the sleeve cooperating with the screw rod is capable of moving on the screw rod. The sleeve is fixedly connected to the mounting base 410, so that when the screw rod rotates, the sleeve drives the mounting base 410 to move along the screw rod, i.e., the mounting base 410 moves along the guide rail 420.

[0047] It needs to be understood that the transmission mode of the screw rod and the sleeve is more accurate than that of the gear 432 and the rack 433.

[0048] It can be understood that the conveying device 300 includes the unwinding assembly 310, the winding assembly 320, and a plurality of guide rollers 330, the unwinding assembly 310 and the winding assembly 320 are arranged at intervals, the adjusting roller 200 is located between the unwinding assembly 310 and the winding assembly 320, the plurality of guide rollers 330 are arranged between the unwinding assembly 310 and the winding assembly 320, and the material roll passes through the unwinding assembly 310, the guide rollers 330 between the unwinding assembly 310 and the adjusting roller 200, the adjusting roller 200, the guide rollers 330 between the adjusting roller 200 and the winding assembly 320, and the winding assembly 320 in sequence.

[0049] It can be understood that the adjusting roller 200 is further provided with a plurality of through holes and a gas guide channel, the through holes and the gas guide channel are in communication, and the vacuumizing device 500 is in communication with the gas guide channel.

[0050] The vacuumizing device 500 can generate negative pressure on the through holes, so that the material roll can tightly adhere to the roller surface of the adjusting roller 200 when passing through the adjusting roller 200, the possibility of wrinkles on the roller surface is reduced, and the paste on the material roll is coated more uniformly and smoothly.

[0051] It can be understood that the vacuumizing device 500 includes a vacuum pump and a rotary joint, the gas guide channel has a connection end, the connection end of the gas guide channel is located at the rotation center of the adjusting roller 200, the rotary joint is in communication with the connection end of the gas guide channel, and the vacuum pump is in communication with the rotary joint.

[0052] One end of the rotary joint is fixed, and the other end can rotate with the adjusting roller 200 to realize the connection between the vacuum pump and the gas guide channel without the need for the vacuum pump and the adjusting roller 200 to rotate together. It needs to be understood that the rotary joint belongs to a relatively mature technical structure, and therefore the structure thereof will not be described in detail here.

[0053] Referring to Figure 3As shown, it can be understood that the adjusting roller 200 comprises a rotating part 210 in the shape of an annular cylinder and a fixed part 220 in the shape of a cylinder, the rotating part 210 is sleeved on the fixed part 220, the fixed part 220 is provided with a first channel 221, and the side wall of the fixed part 220 is provided with a first opening in communication with the first channel 221, the outer side surface of the rotating part 210 is provided with a plurality of through holes, the rotating part 210 is provided with a plurality of second channels 211, the inner side surface of the rotating part 210 is provided with a plurality of second openings, a plurality of adsorption zones are divided along the circumference of the rotating part 210, the through holes in each adsorption zone are in communication with the second channels 211, the second channels 211 are in communication with the second openings, the second channels 211 in different adsorption zones are not in communication with each other, and the first opening and the second opening are configured to be in communication with each other only when the rotating part 210 rotates.

[0054] It should be understood that, Figure 3 In the figure, only one adsorption zone is shown, and the remaining parts of the adjusting roller 200 are not cut away, so the remaining adsorption zones are not shown.

[0055] When the second opening is in communication with the first opening, the through holes in the adsorption zone can generate negative pressure, that is, the roll material can tightly adhere to the roller surface of the adsorption zone. After adjustment, it can be ensured that when the roll material is just moved to the discharge port of the extrusion device 100, the roll material is also located in the adsorption zone generating negative pressure, and the roll material can tightly adhere to the roller surface, so as to facilitate coating of the roll material. When the roll material at this position is coated, the roll material rotates with the rotating part 210, the second opening of the adsorption zone is away from the first opening, the through holes of the adsorption zone no longer generate negative pressure, and the roll material no longer tightly adheres to the roller surface, so as to facilitate the roll material to move away from the adjusting roller 200 and be further transmitted by the conveying device 300 until winding.

[0056] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A coating apparatus for a plaster having a web and a plaster body coated on a surface of the web, characterized by, The application relates to a paste extruding device, which comprises the following parts: an extruding device (100) for extruding the paste, the extruding device (100) being provided with a discharge port, and the end surface of the discharge port being provided with a scraper (110); an adjusting roller (200), the rotating shaft of the adjusting roller (200) being parallel to the length direction of the scraper (110); a conveying device (300) for conveying the roll material, and the conveying path of the conveying device (300) passing through the discharge port and the adjusting roller (200); an adjusting device (400) being in driving connection with the adjusting roller (200), and the adjusting device (400) being capable of driving the adjusting roller (200) to move so as to change the distance between the adjusting roller (200) and the scraper (110).

2. The coating apparatus for a plaster as claimed in claim 1, wherein The extruding device (100) is provided with a strip-shaped discharge port, the long side of the discharge port is the length direction, the short side of the discharge port is the width direction, and the scraper (110) is arranged in the length direction of the discharge port.

3. The coating apparatus for a plaster as claimed in claim 2, wherein The scraper (110) is arranged around the discharge port, so that the scraper (110) is annular, the end part of the scraper (110) is provided with a guide inclined surface, and the guide inclined surface is configured to gradually shorten the distance between the scraper (110) and the adjusting roller (200) along the rotating direction of the adjusting roller (200).

4. The coating apparatus for a plaster as defined in claim 1, wherein The adjusting device (400) comprises a mounting seat (410), a guide rail (420) and a driving mechanism (430), the adjusting roller (200) is arranged on the mounting seat (410), the guide rail (420) is vertically arranged, the mounting seat (410) is in sliding connection with the guide rail (420), and the adjusting roller (200) is located below the discharge port, the driving mechanism (430) is in driving connection with the mounting seat (410) so as to drive the mounting seat (410) to move along the guide rail (420).

5. The coating apparatus for a plaster as claimed in claim 4, wherein The driving mechanism (430) comprises a first motor (431), a gear (432) and a rack (433), the rack (433) is parallel to the guide rail (420), the rack (433) is fixedly connected with the mounting seat (410), the gear (432) is in driving connection with the first motor (431), and the gear (432) is in meshing transmission with the rack (433).

6. The coating apparatus for a plaster as defined in claim 4, wherein The driving mechanism (430) comprises a second motor, a lead screw and a sleeve, the lead screw is parallel to the guide rail (420), the sleeve is fixedly connected with the mounting seat (410), the sleeve is sleeved on the lead screw, the lead screw is in driving connection with the second motor, and the second motor can drive the lead screw to rotate, so that the sleeve moves along the lead screw.

7. The coating apparatus for a plaster as defined in claim 1, wherein The conveying device (300) comprises a unwinding assembly (310), a winding assembly (320) and a plurality of guide rollers (330), the unwinding assembly (310) and the winding assembly (320) are arranged at intervals, the adjusting roller (200) is located between the unwinding assembly (310) and the winding assembly (320), a plurality of the guide rollers (330) are arranged between the unwinding assembly (310) and the winding assembly (320), and the roll material passes through the unwinding assembly (310), the guide rollers (330) between the unwinding assembly (310) and the adjusting roller (200), the adjusting roller (200), the guide rollers (330) between the adjusting roller (200) and the winding assembly (320) and the winding assembly (320) in sequence.

8. The coating apparatus for a plaster as defined in claim 1, wherein Further comprising a vacuumizing device (500), the roller surface of the adjusting roller (200) is provided with a plurality of through holes, the adjusting roller (200) is further provided with a gas guide channel, the through holes are communicated with the gas guide channel, and the vacuumizing device (500) is communicated with the gas guide channel.

9. The coating apparatus for a plaster as claimed in claim 8, wherein The vacuumizing device (500) comprises a vacuum pump and a rotary joint, the gas guide channel has a connecting end, the connecting end of the gas guide channel is located at the rotation center of the adjusting roller (200), the rotary joint is communicated with the connecting end of the gas guide channel, and the vacuum pump is communicated with the rotary joint.

10. The coating apparatus for a plaster as claimed in claim 8, wherein The adjusting roller (200) comprises a rotary part (210) in the shape of an annular column and a fixed part (220) in the shape of a column, the rotary part (210) is sleeved on the fixed part (220), the fixed part (220) is provided with a first channel (221), the side wall of the fixed part (220) is provided with a first opening, the first opening is communicated with the first channel (221), the outer side surface of the rotary part (210) is provided with a plurality of the through holes, the rotary part (210) is provided with a plurality of second channels (211), the inner side surface of the rotary part (210) is provided with a plurality of second openings, a plurality of adsorption zones are divided along the circumference of the rotary part (210), the through holes in each adsorption zone are communicated with the second channels (211), the second channels (211) are communicated with the second openings, the second channels (211) in different adsorption zones are not communicated with each other, and the first opening and the second opening are configured to, when the rotary part (210) rotates, only one second opening is communicated with the first opening.

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