CN117019464B - Spraying device, spraying method and application of spraying device and spraying method in test paper preparation - Google Patents
Spraying device, spraying method and application of spraying device and spraying method in test paper preparation Download PDFInfo
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- CN117019464B CN117019464B CN202311286896.XA CN202311286896A CN117019464B CN 117019464 B CN117019464 B CN 117019464B CN 202311286896 A CN202311286896 A CN 202311286896A CN 117019464 B CN117019464 B CN 117019464B
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- 238000005507 spraying Methods 0.000 title claims abstract description 113
- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims abstract description 112
- 230000001070 adhesive effect Effects 0.000 claims abstract description 112
- 239000011248 coating agent Substances 0.000 claims abstract description 14
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 238000000889 atomisation Methods 0.000 claims description 30
- 230000008602 contraction Effects 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 239000003153 chemical reaction reagent Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 9
- 238000013329 compounding Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 6
- 239000004834 spray adhesive Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 239000012466 permeate Substances 0.000 abstract description 3
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/047—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump supply being effected by follower in container, e.g. membrane or floating piston, or by deformation of container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to the technical field of spraying devices and discloses a spraying device, a spraying method and application thereof in test paper preparation. According to the invention, the coating strip is used for coating the adhesive on the surface to be coated through the coating strip, so that the adhesive solution on the surface to be coated flows to the position which is not sprayed, the adhesive is dispersed and distributed, the phenomenon that the adhesive is excessively distributed at one position on the surface to be coated due to concentrated distribution of the adhesive is avoided, the adhesive permeates to the surface to be coated, and the measurement accuracy of the surface to be coated is affected.
Description
Technical Field
The invention relates to the technical field of spraying devices, in particular to a spraying device, a spraying method and application of the spraying device and the spraying method in test paper preparation.
Background
Because the material of the piece to be coated is softer, the piece to be coated is inconvenient to hold and easy to damage, the piece to be coated which is immersed with the chemical reagent needs to be compounded with the base materials such as PVC plates through a compounding machine in the production and preparation process of the piece to be coated, so that the overall hardness of the piece to be coated is improved, the piece to be coated is convenient to hold and use, and the piece to be coated is prevented from being damaged. In the process of laminating the substrate and the piece to be coated, an adhesive is usually sprayed between the substrate and the piece to be coated, so that the substrate and the piece to be coated are more stable.
According to the scheme, after the adhesive spraying is finished, the base material and the to-be-coated piece are required to be pressed, so that the connection between the base material and the to-be-coated piece is firmer, but the adhesive is coated in a mode of contacting a glue coating roller with a connecting part and a mode of single spraying, so that the adhesive is excessively coated between the base material and the to-be-coated piece, the adhesive is pressed and overflows all around in a pressing stage, the adhesive overflows, or the adhesive is excessively pressed and is permeated to the to-be-coated piece or the base material, and the quality and the testing precision of the to-be-coated piece are affected.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a spraying device, a spraying method and application thereof in test paper preparation, has the advantages of staggered intermittent atomization spraying and the like, and solves the problems that in the pressing stage, the adhesive is pressed and overflows around to cause the overflow of the adhesive or the adhesive is pressed and permeated to the to-be-coated piece or the base material to influence the quality and the test precision of the to-be-coated piece due to the fact that the adhesive is excessively coated between the to-be-coated piece and the base material.
(II) technical scheme
In order to solve the technical problems that the excessive adhesive is coated between a piece to be coated and a base material, so that the adhesive is pressed and overflows all around in a pressing stage, so that the adhesive overflows, or the excessive adhesive is pressed and permeated to the piece to be coated or the base material, so that the quality and the testing precision of the piece to be coated are affected, the invention provides the following technical scheme:
the spraying device comprises a carrier, wherein the carrier is provided with a cavity, both ends of the carrier are provided with ear pieces, the lower surface of one of the ear pieces is provided with a smearing strip, the lower surface of the cavity of the carrier is embedded with a plurality of spraying heads, each spraying head corresponds to a driving tool, and the driving tools are arranged on a driving shaft;
each injection head comprises an injection tool and a piston member, and each injection tool is connected with a reagent supply pipe group so that the reagent supply pipe group supplies reagent to each injection tool in a unidirectional manner, and the injection tools are in sliding fit with the piston member along the central axis direction;
the driving shaft rotates to be clamped with each driving tool in sequence, so that each driving tool is driven to be extruded after being contacted with the corresponding piston part, the piston part and the spraying tool relatively slide until the adhesive in the spraying tool is extruded, the driving tool is driven to rotate along with the driving shaft, the driving tool is gradually separated from the piston part, the piston part resets to form negative pressure in the spraying tool, and the negative pressure is used for sucking the adhesive in the agent supply pipe group into the spraying tool.
Preferably, the spraying tool comprises an atomization barrel, the atomization barrel penetrates through and is fixedly arranged on the carrier, an atomization nozzle is arranged at one end of the atomization barrel, a contraction ring is arranged in the middle of the atomization barrel, the piston member is slidably matched with the other end of the atomization barrel, a one-way valve is arranged at the position, close to the contraction ring, of the atomization barrel, an outlet of the one-way valve is communicated with a cavity, between the contraction ring and the piston member, of the atomization barrel, and an inlet of the one-way valve is communicated with the agent supply pipe group.
Preferably, the agent supply tube group comprises a plurality of branch tubes, one end of each branch tube is connected with the one-way valve, the other end of each branch tube is fixedly provided with a main tube, and the main tube is externally connected with an adhesive supply chain.
Preferably, the piston member comprises a piston head, one end of the piston head is slidably arranged on the inner wall of one end of the atomizing barrel, a driving hemisphere is fixedly arranged at the other end of the piston head, one end of a reset plate is fixedly arranged at the position, close to the driving hemisphere, of the piston head, a spring column is fixedly arranged at the other end of the reset plate, the spring column is slidably arranged on a spring cavity, a reset spring is arranged between the inner wall of the spring cavity and the spring column, two ends of the reset spring are fixedly arranged on the inner wall of the spring cavity and the lower surface of the spring column respectively, and the spring cavity is fixedly arranged on the inner wall of the carrier.
Preferably, the driving tool comprises an outer ring, a middle ring and an inner ring, wherein the outer ring, the middle ring and the inner ring are coaxially arranged, the middle ring is rotatably arranged relative to the outer ring and the inner ring, the inner ring is fixedly arranged on the outer ring, a driving lug is arranged on the outer surface of the outer ring, and the driving lug is used for contacting with the driving hemisphere and extruding the driving hemisphere;
the inner ring is provided with an adjusting groove, the inner side of the middle ring is provided with a clamping strip, and the clamping strip penetrates through the adjusting groove and is overlapped with the inner side of the inner ring;
the outer ring is provided with an adjusting component, and the adjusting component is used for adjusting the position of the clamping strip in the adjusting groove.
Preferably, the driving shaft is provided with a plurality of driving strips corresponding to the adjusting grooves, and the driving strips are used for abutting against one side of the clamping strips or one side of the adjusting grooves so as to drive the outer ring to misplace or rotate in a co-located manner.
Preferably, the adjusting assembly comprises an adjusting seat, the adjusting seat is arranged on the outer ring, a driving motor is fixedly arranged on one side of the adjusting seat, a worm is fixedly arranged on an output shaft of the driving motor, a worm wheel is meshed with the worm, and the worm wheel is fixedly arranged in the middle of the outer side of the middle ring.
A spraying method based on a spraying device,
step one, placing a substrate roll and a test paper roll on a compounding machine, wherein the substrate roll sequentially passes through a first guide roller, a tension adjusting roller and a deviation correcting roller; the test paper roll sequentially passes through the second guide roller, the introducing roller and the ear pieces at two ends of the carrier and then is pre-compounded with the base material at the pre-compounding roller;
s1, when a test paper roll passes through an ear piece, a driving shaft rotates, the driving shaft is sequentially clamped with each driving tool, so that each driving tool is driven to rotate sequentially, each driving tool is distributed in a spiral ladder shape around the central axis of the driving shaft, namely, the driving tools are at a certain angle relative to the central axis of the driving shaft, after the driving shaft is clamped with each driving tool, each driving tool keeps a certain angle to synchronously rotate, each driving tool sequentially transmits power with a corresponding piston piece to drive the piston piece to move, each piston piece sequentially moves in the movement process of a test paper strip, each spraying tool sequentially starts to spray adhesive, and when each spraying tool sprays adhesive on the test paper strip, each spraying tool is started in a staggered mode, so that staggered spraying tools are formed;
s2, when the test strip sprayed with the adhesive is separated from the ear piece at the other end, the adhesive on the surface to be coated is coated by the coating strip through the coating strip, so that the adhesive solution on the surface to be coated flows to an unsprayed position;
and step two, cutting through a strip cutting tool after compacting the composite tool to form the test strip.
An application of a spraying method in test paper preparation.
(III) beneficial effects
Compared with the prior art, the invention provides a spraying device, a spraying method and application thereof in test paper preparation, and has the following beneficial effects:
1. according to the invention, the trend of the piece to be coated is regulated by bypassing the ear piece through the surface to be coated of the piece to be coated, so that the surface to be coated of the piece to be coated faces the spraying head, the spraying head sprays adhesive on the surface to be coated of the passing piece to be coated, when the piece to be coated sprayed with the adhesive is separated from the ear piece at the other end, the adhesive on the surface to be coated is coated through the coating strip, so that the adhesive on the coating strip flows to the position where the adhesive is not sprayed, the adhesive is dispersed and distributed, the phenomenon that the adhesive is excessively distributed at one position on the piece to be coated due to the concentrated distribution of the adhesive is avoided, the adhesive permeates onto the piece to be coated, and the measurement accuracy of the piece to be coated is affected.
2. According to the invention, the driving shaft is rotated to enable the driving shaft to be sequentially clamped with the driving tools, so that the driving tools are driven to sequentially rotate, the driving tools are distributed in a spiral ladder shape around the central axis of the driving shaft, namely, the driving tools are in a certain angle relative to the central axis of the driving shaft, after the driving shaft is clamped with the driving tools, the driving tools are synchronously rotated at a certain angle, so that the driving tools sequentially transmit power with the corresponding piston parts to drive the piston parts to move, the piston parts sequentially move in the moving process of the parts to be coated, so that the spraying tools sequentially start to spray the adhesive, when the spraying tools spray the adhesive on the parts to be coated, the spraying tools are staggered to avoid simultaneous spraying, the adhesive is fused with each other in the spraying process, the formed liquid beads drop on the parts to be coated, the adhesive is excessive in the adhesive liquid beads to cause the penetration phenomenon on the parts to be coated, and the adhesive is prevented from excessively overflowing when the adhesive is pressed at a single position.
3. According to the invention, after each driving tool drives the piston to move so as to enable the spraying tool to spray in a staggered manner, the driving tools are separated from the piston, the piston is reset so as to enable negative pressure to be formed in the spraying tool, so that the adhesive in the agent supply pipe group enters the spraying tool, automatic replenishment of the adhesive is realized, wherein the spraying tool stops spraying the adhesive in the resetting process of the piston, intermittent reciprocating motion of a single spraying tool is realized, the sprayed adhesive is enabled to form intermittent distribution on the surface to be coated of the piece to be coated, and further the adhesive is scraped to the position where the adhesive is not sprayed by the spraying tool by the smearing strip under the ear piece, so that excessive adhesive spraying is further avoided.
Drawings
FIG. 1 is a view of a specific mounting location of a carrier of the present invention;
FIG. 2 is a block diagram of the mounting of the ear and applicator strip of the present invention on a carrier;
FIG. 3 is an internal structural view of the carrier of the present invention;
FIG. 4 is an assembled block diagram of the injection tooling, piston member and drive tooling of the present invention;
FIG. 5 is a view showing a position structure of a branch pipe according to the present invention;
FIG. 6 is a diagram of the position of the driver blade of the present invention;
FIG. 7 is a schematic cross-sectional view of the injection tool and piston member of the present invention;
fig. 8 is an explosion schematic diagram of the driving tool of the present invention.
In the figure: 1. a carrier; 2. spraying a tool; 201. an atomizing barrel; 202. an atomizing nozzle; 203. a shrink ring; 204. a one-way valve; 3. a piston member; 301. a piston head; 302. driving the hemisphere; 303. a reset plate; 304. a spring post; 305. a spring cavity; 306. a return spring; 4. a supply tube group; 401. a branch pipe; 402. a header pipe; 5. driving the tool; 501. an outer ring; 502. an intermediate ring; 503. an inner ring; 504. a driving bump; 505. an adjustment tank; 506. clamping strips; 507. an adjustment assembly; 5071. an adjusting seat; 5072. a drive motor; 5073. a worm; 5074. a worm wheel; 6. a drive shaft; 7. a drive bar; 8. an ear piece; 9. and (5) smearing the strip.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As described in the background art, the present application provides a spraying device, a spraying method and an application thereof in test paper preparation in order to solve the above technical problems.
Referring to fig. 1-8, a spraying device comprises a carrier 1, wherein a cavity is formed in the carrier 1, ear pieces 8 are arranged at two ends of the carrier 1, a smearing strip 9 is arranged on the lower surface of one ear piece 8, a plurality of spraying heads are inlaid on the lower surface of the cavity of the carrier 1, each spraying head corresponds to one driving tool 5, and the driving tools 5 are arranged on a driving shaft 6;
the to-be-coated surface of the to-be-coated piece bypasses the ear piece 8, the trend of the to-be-coated piece is regulated, the to-be-coated surface of the to-be-coated piece faces the spraying head, the spraying head sprays adhesive on the to-be-coated surface of the passing to-be-coated piece, when the to-be-coated piece sprayed with the adhesive is separated from the ear piece 8 at the other end, the adhesive on the to-be-coated surface passes through the coating strip 9, and the coating strip 9 coats the adhesive on the to-be-coated surface, so that the adhesive on the to-be-coated surface flows to an un-sprayed position, the adhesive is dispersed and distributed, concentration is avoided, the adhesive is caused to be concentrated and distributed at one position on the to-be-coated piece, the adhesive is caused to permeate into the to-be-coated piece, and the measurement accuracy of the to-be-coated piece is affected.
Each spraying head comprises a spraying tool 2 and a piston member 3, each spraying tool 2 is connected with a reagent supply pipe group 4, so that the reagent supply pipe group 4 supplies reagent to each spraying tool 2 in a unidirectional way, and the spraying tools 2 are in sliding fit with the piston member 3 along the central axis direction;
the driving shaft 6 rotates to be clamped with each driving tool 5 in sequence, so that each driving tool 5 is driven to be extruded after being contacted with the corresponding piston member 3 in sequence, so that the piston member 3 and the spraying tool 2 relatively slide until the adhesive in the spraying tool 2 is extruded, the driving tool 5 is gradually separated from the piston member 3 along with the rotation of the driving tool 5 driven by the driving shaft 6, and the piston member 3 is reset to form negative pressure in the spraying tool 2, so that the adhesive in the agent supply pipe group 4 is sucked into the spraying tool 2.
When the adhesive is sprayed on the surface to be coated of the piece to be coated, the driving shaft 6 is rotated to enable the driving shaft 6 to be clamped with each driving tool 5 in sequence, so that each driving tool 5 is driven to rotate in sequence, the driving tools 5 are distributed in a spiral ladder shape around the central axis of the driving shaft 6, namely, the driving tools 5 are in a certain angle relative to the central axis of the driving shaft 6, after the driving shaft 6 is clamped with each driving tool 5, each driving tool 5 is kept to rotate synchronously at a certain angle, each driving tool 5 is driven to transmit power with the corresponding piston piece 3 in sequence, so that the piston piece 3 is driven to move, each piston piece 3 is driven to move in sequence in the process of moving the piece to be coated, each spraying tool 2 starts to spray adhesive in sequence, when each spraying tool 2 sprays adhesive on the piece to be coated, the spraying tools 2 are staggered, the adhesive is prevented from being sprayed simultaneously, the adhesive drops on the piece to be coated in the process of being fused with each other, the adhesive component in the adhesive drops is prevented from being excessive, the adhesive component in the adhesive drops is prevented from being permeated on the piece to be coated, and the adhesive is prevented from flowing out from the adhesive at a single position, and excessive adhesive is prevented from overflowing out;
after each driving tool 5 drives the piston member 3 to move so as to enable the spraying tool 2 to spray in a staggered manner, the driving tools 5 are separated from the piston member 3, the piston member 3 resets so as to enable negative pressure to be formed in the spraying tool 2, and therefore the adhesive in the agent supply pipe group 4 enters the spraying tool 2, automatic replenishment of the adhesive is achieved, wherein the piston member 3 stops spraying the adhesive in the resetting process, intermittent reciprocating movement of the single spraying tool 2 is achieved, the sprayed adhesive forms intermittent distribution on the surface to be coated of the piece to be coated, and further the smearing strip 9 below the ear piece 8 scrapes the adhesive to the position where the adhesive is not sprayed by the spraying tool 2, so that excessive adhesive spraying is further avoided.
Preferably, the plurality of driving tools 5 may be started at intervals on the basis that the adhesive sprayed by the spraying tool 2 does not generate fusion phenomenon, for example: constructing five driving tools 5 which are sequentially arranged A, B, C, D, E, F, wherein each driving tool 5 corresponds to one piston piece 3 and one spraying tool 2, when A contacts with the corresponding piston piece 3 to drive the corresponding spraying tool 2 to spray, C and E also contact with the corresponding piston piece 3 to drive the corresponding spraying tool 2 to spray, and at the moment, B and D are gradually separated from the corresponding piston piece 3; and vice versa.
Further, for the above-mentioned spraying tool 2, the spraying tool 2 includes an atomization barrel 201, the atomization barrel 201 penetrates and is fixedly mounted on the carrier 1, one end of the atomization barrel 201 is provided with an atomization nozzle 202, the middle part is provided with a contraction ring 203, the other end is slidably matched with the piston member 3, the atomization barrel 201 is provided with a one-way valve 204 near the contraction ring 203, an outlet of the one-way valve 204 is communicated with a cavity of the atomization barrel 201 between the contraction ring 203 and the piston member 3, and an inlet is communicated with the supply tube group 4;
the contraction ring 203 is conical, the large diameter opening of the contraction ring is close to the piston member 3, the small diameter opening of the contraction ring is close to the atomization nozzle 202, and the contraction ring is made of elastic materials;
when the piston member 3 moves towards the contraction ring 203, the piston member 3 presses the adhesive in the atomization barrel 201, the adhesive presses the contraction ring 203 to enter the atomization nozzle 202, the adhesive is sprayed out of the atomization nozzle 202, the adhesive mist is formed to be sprayed on the surface to be coated of the member to be coated, when the piston member 3 is reset, the piston member 3 moves upwards to form a pumping force, the small diameter opening of the contraction ring 203 forms an upward force, the end of the contraction ring 203 is contracted to form a blockage, when the piston member 3 is upwards, negative pressure is formed between the contraction ring 203 and the piston member 3, and the adhesive in the agent supply pipe group 4 enters the atomization barrel 201 through the one-way valve 204, and the adhesive is replenished.
Further, for the above-mentioned agent supply tube group 4, the agent supply tube group 4 includes a plurality of branch tubes 401, one end of each branch tube 401 is connected to the one-way valve 204, and the other end is fixedly provided with a main tube 402, and the main tube 402 is externally connected with an adhesive supply chain;
the adhesive supply chain comprises an adhesive container and a negative pressure feeder, the negative pressure feeder and the main pipe 402 are used for providing adhesive, the adhesive enters each branch pipe 401 through the main pipe 402, and the branch pipes 401 supplement the adhesive to the atomizing barrel 201 through the one-way valve 204.
Further, for the piston member 3, the piston member 3 includes a piston head 301, one end of the piston head 301 is slidably disposed on an inner wall of one end of the atomizing barrel 201, a driving hemisphere 302 is fixedly disposed at the other end of the piston head 301, one end of a return plate 303 is fixedly disposed at a position of the piston head 301 adjacent to the driving hemisphere 302, a spring post 304 is fixedly disposed at the other end of the return plate 303, the spring post 304 is slidably disposed on a spring cavity 305, a return spring 306 is disposed between the inner wall of the spring cavity 305 and the spring post 304, two ends of the return spring 306 are fixedly disposed on the inner wall of the spring cavity 305 and a lower surface of the spring post 304, respectively, and the spring cavity 305 is fixedly disposed on the inner wall of the carrier 1;
when the driving tool 5 is in contact with the driving hemisphere 302, the piston head 301 is driven to move in the atomizing barrel 201 along with the rotation of the driving tool 5, so that the piston head 301 extrudes the adhesive in the atomizing barrel 201, the lower diameter opening of the shrinkage ring 203 is opened, the adhesive in the atomizing barrel 201 is extruded into the atomizing nozzle 202, and the adhesive is sprayed out through the atomizing nozzle 202; when the driving tool 5 gradually moves away from the driving hemisphere 302 to separate from the driving hemisphere 302, the piston head 301 is displaced when pressing the adhesive, so that the reset spring 306 is compressed to generate deformation to form elastic force, and therefore, the piston head 301 moves upwards under the action of the elastic force of the reset spring 306 to enable the piston head 301 to move upwards to form pumping force, so that the small diameter opening of the contraction ring 203 forms upward force, the end of the contraction ring 203 is contracted to form blockage, and further, when the piston head 301 moves upwards, negative pressure is formed between the contraction ring 203 and the piston head 301, and adhesive in the branch pipe 401 enters the atomization barrel 201 through the one-way valve 204 to finish the supplement of the adhesive.
Further, for the driving tool 5, the driving tool 5 includes an outer ring 501, an intermediate ring 502, and an inner ring 503, where the outer ring 501, the intermediate ring 502, and the inner ring 503 are all coaxially disposed, the intermediate ring 502 is rotatably disposed relative to the outer ring 501 and the inner ring 503, the inner ring 503 is fixedly mounted on the outer ring 501, and a driving protrusion 504 is disposed on an outer surface of the outer ring 501, and the driving protrusion 504 is used to contact with the driving hemisphere 302 and press the driving hemisphere 302;
an adjusting groove 505 is formed in the inner ring 503, a clamping strip 506 is formed in the inner side of the middle ring 502, and the clamping strip 506 penetrates through the adjusting groove 505 and coincides with the inner side of the inner ring 503;
a plurality of driving bars 7 corresponding to the adjusting grooves 505 are provided on the driving shaft 6, and the driving bars 7 are used for abutting against one side of the clamping bars 506 or one side of the adjusting grooves 505 so as to drive the outer ring 501 to rotate in a dislocation or parity manner; an adjusting component 507 is arranged on the outer ring 501, and the adjusting component 507 is used for adjusting the position of the clamping strip 506 in the adjusting groove 505.
When the driving shaft 6 rotates, the driving strip 7 is fixedly arranged on the driving shaft 6, so that when the driving strip 7 is driven to move in the adjusting groove 505, the driving strip 7 is clamped with the clamping strip 506, so that the clamping strip 506 is driven to rotate, and because the clamping strip 506 is fixedly arranged on the middle ring 502 and the middle ring 502 is connected with the outer ring 501 through the adjusting component 507, when the driving strip 7 drives the clamping strip 506 to rotate, the outer ring 501 is synchronously driven to rotate, meanwhile, the driving lug 504 on the outer ring 501 is driven to rotate around the driving shaft 6, the driving lug 504 is contacted with the driving hemisphere 302 to drive the driving piston head 301 to move in the atomizing barrel 201, so that the piston head 301 extrudes the adhesive in the atomizing barrel 201, the diameter opening below the shrinkage ring 203 is opened, the adhesive in the atomizing barrel 201 is extruded into the atomizing nozzle 202, and the adhesive is sprayed out through the atomizing nozzle 202.
Further, for the above-mentioned adjusting assembly 507, the adjusting assembly 507 includes an adjusting seat 5071, the adjusting seat 5071 is provided on the outer ring 501, a driving motor 5072 is fixedly mounted on one side of the adjusting seat 5071, a worm 5073 is fixedly mounted on an output shaft of the driving motor 5072, the worm 5073 is meshed with a worm gear 5074, and the worm gear 5074 is fixedly mounted in an outer middle portion of the intermediate ring 502;
the driving motor 5072 is started, so that the driving motor 5072 drives the worm 5073 to rotate, and as the worm 5073 is meshed with the worm gear 5074, the worm gear 5074 is driven to rotate by the rotation of the worm 5073, and the worm gear 5074 is fixedly arranged on the middle ring 502, so that the purpose of driving the middle ring 502 to rotate relative to the outer ring 501 is achieved, the positions of the clamping strips 506 on the middle ring 502 are adjusted, and each driving strip 7 on the driving shaft 6 is sequentially clamped with the corresponding clamping strip 506.
The spraying method is introduced by taking test paper as an object of the piece to be coated:
a spraying method based on a spraying device,
step one, placing a substrate roll and a test paper roll on a compounding machine, wherein the substrate roll sequentially passes through a first guide roller, a tension adjusting roller and a deviation correcting roller; the test paper roll sequentially passes through the second guide roller, the introducing roller and the lugs 8 at the two ends of the carrier 1 and then is pre-compounded with the base material at a pre-compounding roller;
s1, when a test paper roll passes through an ear piece 8, a driving shaft 6 rotates, the driving shaft 6 is sequentially clamped with each driving tool 5, so that each driving tool 5 is driven to sequentially rotate, each driving tool 5 is spirally distributed around the central axis of the driving shaft 6, namely, the driving tools 5 form a certain angle relative to the central axis of the driving shaft 6, after the driving shaft 6 is clamped with each driving tool 5, each driving tool 5 keeps a certain angle to synchronously rotate, each driving tool 5 sequentially transmits power with a corresponding piston piece 3 to drive the piston piece 3 to move, each piston piece 3 sequentially moves in the process of moving a test paper strip, so that each spraying tool 2 sequentially starts to spray adhesive, and when each spraying tool 2 sprays adhesive on the test paper strip, each spraying tool 2 is started in a staggered manner, so that staggered spraying is formed;
s2, when the test strip sprayed with the adhesive is separated from the ear piece 8 at the other end, the adhesive on the surface to be coated is coated by the coating strip 9 through the coating strip 9, so that the adhesive solution on the surface to be coated flows to an unsprayed position;
and step two, cutting through a strip cutting tool after compacting the composite tool to form the test strip.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and principles of the present invention.
Claims (4)
1. A spraying device comprising a carrier (1), said carrier (1) having a cavity, characterized in that: ear pieces (8) are arranged at two ends of the carrier (1), a smearing strip (9) is arranged on the lower surface of one ear piece (8), a plurality of spraying heads are embedded on the lower surface of a cavity of the carrier (1), each spraying head corresponds to one driving tool (5), and the driving tool (5) is arranged on the driving shaft (6);
each spraying head comprises a spraying tool (2) and a piston piece (3), each spraying tool (2) is connected with a reagent supply pipe group (4) so that the reagent supply pipe group (4) supplies reagent to each spraying tool (2) in one direction, and the spraying tools (2) are in sliding fit with the piston pieces (3) along the central axis direction;
the driving shafts (6) are rotated to be sequentially clamped with the driving tools (5) so as to drive the driving tools (5) to be contacted with the corresponding piston pieces (3) respectively and then to be extruded, so that the piston pieces (3) and the spraying tools (2) relatively slide until the adhesive in the spraying tools (2) is extruded, the driving tools (5) are gradually separated from the piston pieces (3) along with the rotation of the driving shafts (6) driving the driving tools (5), and the piston pieces (3) are reset to form negative pressure in the spraying tools (2) so as to suck the adhesive in the agent supply pipe group (4) into the spraying tools (2);
the spraying tool (2) comprises an atomization barrel (201), wherein the atomization barrel (201) penetrates through and is fixedly arranged on the carrier (1), one end of the atomization barrel (201) is provided with an atomization nozzle (202), the middle part of the atomization barrel is provided with a contraction ring (203), the other end of the atomization barrel is in sliding fit with the piston piece (3), a check valve (204) is arranged at the position, close to the contraction ring (203), of the atomization barrel (201), an outlet of the check valve (204) is communicated with a cavity, between the contraction ring (203) and the piston piece (3), of the atomization barrel (201), and an inlet of the atomization barrel is communicated with the agent supply pipe group (4);
the piston part (3) comprises a piston head (301), one end of the piston head (301) is slidably arranged on the inner wall of one end of the atomizing barrel (201), a driving hemisphere (302) is fixedly arranged at the other end of the piston head (301), one end of a reset plate (303) is fixedly arranged at the position, close to the driving hemisphere (302), of the piston head (301), a spring column (304) is fixedly arranged at the other end of the reset plate (303), the spring column (304) is slidably arranged on a spring cavity (305), a reset spring (306) is arranged between the inner wall of the spring cavity (305) and the spring column (304), two ends of the reset spring (306) are fixedly arranged on the inner wall of the spring cavity (305) and the lower surface of the spring column (304) respectively, and the spring cavity (305) is fixedly arranged on the inner wall of the carrier (1);
the driving tool (5) comprises an outer ring (501), a middle ring (502) and an inner ring (503), wherein the outer ring (501), the middle ring (502) and the inner ring (503) are coaxially arranged, the middle ring (502) is rotatably arranged relative to the outer ring (501) and the inner ring (503), the inner ring (503) is fixedly arranged on the outer ring (501), a driving lug (504) is arranged on the outer surface of the outer ring (501), and the driving lug (504) is used for contacting with the driving hemisphere (302) and extruding the driving hemisphere (302);
an adjusting groove (505) is formed in the inner ring (503), a clamping strip (506) is formed in the inner side of the middle ring (502), and the clamping strip (506) penetrates through the adjusting groove (505) and is overlapped with the inner side of the inner ring (503);
an adjusting component (507) is arranged on the outer ring (501), and the adjusting component (507) is used for adjusting the position of the clamping strip (506) in the adjusting groove (505);
a plurality of driving strips (7) corresponding to the adjusting grooves (505) are arranged on the driving shaft (6), and the driving strips (7) are used for abutting against one side of the clamping strips (506) or one side of the adjusting grooves (505) so as to drive the outer ring (501) to misplace or rotate in a same position;
the adjusting assembly (507) comprises an adjusting seat (5071), the adjusting seat (5071) is arranged on the outer ring (501), a driving motor (5072) is fixedly arranged on one side of the adjusting seat (5071), a worm (5073) is fixedly arranged on an output shaft of the driving motor (5072), a worm wheel (5074) is meshed with the worm (5073), and the worm wheel (5074) is fixedly arranged in the middle of the outer side of the middle ring (502).
2. A spraying device as claimed in claim 1, in which: the agent supply pipe group (4) comprises a plurality of branch pipes (401), one end of each branch pipe (401) is connected with the one-way valve (204), the other end of each branch pipe is fixedly provided with a main pipe (402), and the main pipe (402) is externally connected with an adhesive supply chain.
3. A spraying method based on the spraying device according to claim 2, characterized in that:
step one, placing a substrate roll and a test paper roll on a compounding machine, wherein the substrate roll sequentially passes through a first guide roller, a tension adjusting roller and a deviation correcting roller; the test paper roll sequentially passes through the second guide roller, the introducing roller and ear pieces (8) at two ends of the carrier (1) and then is pre-compounded with the base material at a pre-compounding roller;
s1, when a test paper roll passes through an ear piece (8), a driving shaft (6) rotates, the driving shaft (6) is sequentially clamped with each driving tool (5) to drive each driving tool (5) to sequentially rotate, so that each driving tool (5) is distributed in a spiral ladder shape around the central axis of the driving shaft (6), namely, the driving tools (5) are at a certain angle relative to the central axis of the driving shaft (6), after the driving shaft (6) is clamped with each driving tool (5), each driving tool (5) keeps a certain angle to synchronously rotate, so that each driving tool (5) sequentially transmits power with each corresponding piston piece (3) to drive the piston piece (3) to move, each piston piece (3) sequentially moves in the moving process of the test paper strip, each spraying tool (2) sequentially starts to spray adhesive, and when each spraying tool (2) sprays adhesive on the test paper strip, each spraying tool (2) is staggered to form spraying dislocation;
s2, when the test strip sprayed with the adhesive is separated from the ear piece (8) at the other end, the adhesive on the surface to be coated is coated by the coating strip (9) through the coating strip (9), so that the adhesive on the surface to be coated flows to an unsprayed position;
and step two, cutting through a strip cutting tool after compacting the composite tool to form the test strip.
4. Use of a spray method according to claim 3 for the preparation of test strips.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311286896.XA CN117019464B (en) | 2023-10-08 | 2023-10-08 | Spraying device, spraying method and application of spraying device and spraying method in test paper preparation |
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| CN202311286896.XA CN117019464B (en) | 2023-10-08 | 2023-10-08 | Spraying device, spraying method and application of spraying device and spraying method in test paper preparation |
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|---|---|
| CN117019464A (en) | 2023-11-10 |
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