CN111058297B - PUR hot melt adhesive full-coating equipment and full-coating process thereof - Google Patents
PUR hot melt adhesive full-coating equipment and full-coating process thereof Download PDFInfo
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- CN111058297B CN111058297B CN201911423611.6A CN201911423611A CN111058297B CN 111058297 B CN111058297 B CN 111058297B CN 201911423611 A CN201911423611 A CN 201911423611A CN 111058297 B CN111058297 B CN 111058297B
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- melt adhesive
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0813—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for supplying liquid or other fluent material to the roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0817—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for removing partially liquid or other fluent material from the roller, e.g. scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
- B05C1/083—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets being passed between the coating roller and one or more backing rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
- B05C1/0834—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets the coating roller co-operating with other rollers, e.g. dosing, transfer rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/086—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line a pool of coating material being formed between a roller, e.g. a dosing roller and an element cooperating therewith
- B05C1/0865—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line a pool of coating material being formed between a roller, e.g. a dosing roller and an element cooperating therewith the cooperating element being a roller, e.g. a coating roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1042—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material provided with means for heating or cooling the liquid or other fluent material in the supplying means upstream of the applying apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coating Apparatus (AREA)
Abstract
The invention relates to a PUR hot melt adhesive full-coating device and a full-coating process thereof, which comprise device frames, wherein a glue scraping knife plate blade, a glue control roller, a transfer roller, a glue coating roller and a press roller are rotationally connected between the device frames, the glue control roller is coated with glue, a plurality of glue containing concave points are arranged on the glue control roller, the glue coating roller is extruded on the glue coating roller, the press roller is extruded on the glue coating roller, two ends of the compression roller are respectively provided with a positioning frame, a sliding block is connected in the positioning frame in a sliding manner in the horizontal direction, the end part of the compression roller is rotatably connected to the sliding block, one side of the positioning frame in the horizontal direction is connected with a thrust cylinder, a telescopic rod of the thrust cylinder penetrates through the positioning frame and is connected to the sliding block, a glue scraping knife board is connected between the equipment frames, a flexible scraper blade attached to the glue control roller is connected to the glue scraping knife board, a glue injection groove with an upward opening is formed between the glue scraping knife board and the glue control roller, the transfer roller and the glue coating roller are heating rollers. The invention has the effect of uniformly and fully coating materials such as films, cloth, paper and the like under the heating condition of the PUR hot melt adhesive.
Description
Technical Field
The invention relates to flexible cloth-shaped material coating equipment to be coated, in particular to PUR hot melt adhesive full-coating equipment and a full-coating process thereof.
Background
After the cloth is processed into cloth, corresponding coating needs to be coated on the surface of the cloth according to the requirements of various industries, and the coating process usually comprises a hot coating process and a cold coating process according to different requirements. In the prior art, coating machines are generally used for coating, and each coating machine comprises an equipment frame 1, a tensioning roller group and a coating structure, wherein the tensioning roller group is rotatably connected between the equipment frames 1 and is used for tensioning a cloth, and the coating structure is used for pressing and coating a coating on the surface of the cloth. Therefore, in the field of cloth coating, the quality of a coating structure directly influences the quality of a cloth soil layer. In the prior art, two coating structures are designed.
Referring to fig. 1, the first coating structure includes a rotating glue spreader 4 and a doctor blade 7, a rubber sleeve 41 is fixedly sleeved on the glue spreader 4, and a plurality of glue containing chambers 22 are formed on the surface of the rubber sleeve 41. The frictioning cutting board 7 pastes along the length direction of glue spreader 4 and leans on in glue spreader 4, forms the injecting glue groove 71 that is used for holding glue between frictioning cutting board 7 and the glue spreader 4, laminates and is equipped with compression roller 5 in side by side in glue spreader 4.
During the use process, glue is filled in the glue injection groove 71 in advance, and during the rotation process of the glue coating roller 4, the surface of the glue coating roller 4 has no glue through scraping of the glue scraping knife plate 7, and the glue accommodating groove chamber 22 has glue. The cloth passes between the press roller 5 and the glue spreader 4 in a pressing state, and the pressure applied on the roller sleeve 41 by the press roller 5 causes the roller sleeve to deform, so that the glue in the glue containing groove chamber 22 overflows the glue containing groove chamber 22 and is smeared on the cloth, and the coating of the cloth is realized.
In the process of coating the cloth by the device, the glue containing groove chamber 22 is arranged to ensure that the coating can only be applied on the surface of the cloth in a point-like pressing manner, and although the point-coating method can form a uniform coating on the surface of the cloth, the full coating of the cloth cannot be realized. Aiming at the defects, in the prior art, a worker tries to enable the glue spreader 4 not to be provided with a roller sleeve, the glue spreader 4 is directly formed by a smooth roller, meanwhile, the gap between the scraper and the surface of the glue spreader 4 is adjusted, and glue is tightly pressed on the surface of cloth through the gap between the scraper and the glue spreader 4.
Above-mentioned structure is in the use, in order to improve the homogeneity of coating, need the clearance between accurate control scraper and the glue spreader 4, consequently, to cold pressing technology, the precision of above-mentioned structure can be controlled through adjusting, but to hot-coating technology, because glue spreader 4 and scraper all are in the heating state, both can produce expend with heat and contract with cold phenomenon in the heating process, consequently the interval between scraper and the glue spreader 4 is difficult to control, thereby make the coating produce inhomogeneous phenomenon, influence the quality of coating.
Referring to fig. 2, the second coating structure is two rubber rollers 9 arranged side by side, a gap is formed between the two rubber rollers 9, and a cavity formed by the two rubber rollers and the cavity deviating from the ground is a rubber injection groove 71. In the process of coating the cloth, the glue injection groove 71 is filled with glue, meanwhile, the two rubber rollers 9 rotate oppositely, and in the rotating process, the glue is adhered to the surfaces of the two rubber rollers 9. The cloth passes through the lower surfaces of the two rubber rollers 9, and in the passing process, the glue on the surface of the rubber roller 9 adheres to the surface of the cloth, so that the coating of the cloth is completed.
In the actual use process of the structure, although the full coating process can be carried out on the cloth, two defects exist, the first point is that the distance between the two rubber rollers 9 is difficult to adjust accurately, so that the uniformity of the coating is poor; the second point is that the two rubber rollers 9 are also deformed during the thermal coating process, so that the gap between the two rollers is difficult to adjust, thereby further reducing the uniformity of the coating.
In conclusion, in the actual use process of the two structures, the first structure is suitable for the coating of the point coating process, and the structure cannot be used for the cloth coating of the full coating process; the second structure, while suitable for a flood coating process, does not produce a coating with controlled uniformity. Therefore, when the hot coating process is used for fully coating the cloth, the market still has a large technical gap.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide PUR hot melt adhesive full-coating equipment and a full-coating process thereof, which have the effect of uniformly and fully coating a flexible cloth-shaped material to be coated under the heating condition.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a PUR hot melt adhesive full-coating equipment, includes the equipment frame, its characterized in that: the glue spreading machine is characterized in that a glue control roll, a transfer roll, a glue spreading roll and a compression roll are connected between the machine frames in a rotating mode, a colloid is arranged on the transfer roll in a fixed mode, a plurality of glue containing groove chambers are formed in the glue control roll, the colloid is extruded on the glue spreading roll, the compression roll is extruded on the glue spreading roll, positioning frames are arranged at two ends of the compression roll respectively, a sliding block is connected in the positioning frame in a sliding mode in the horizontal direction, the end portion of the compression roll is connected to the sliding block in a rotating mode, a thrust cylinder is connected to one side of the horizontal direction of the positioning frame, a telescopic rod of the thrust cylinder penetrates through the positioning frames and is connected to the sliding block, a glue scraping knife board is connected between the machine frames, a flexible glue scraping knife board attached to the glue control roll is connected to the glue scraping knife board, an upward glue injection groove with an opening is formed between the glue scraping knife board and the glue control roll, and a driving system used for driving the glue control roll, the transfer roll and the glue spreading roll to rotate is connected outside the machine frames, the glue control roller, the transfer roller and the glue spreading roller are heating rollers.
By adopting the technical scheme, when the flexible cloth-shaped material to be coated is coated, the worker firstly injects the coating glue into the glue injection groove, and the glue has a certain temperature through the heating of the glue control roller. And then, starting a driving system, and adsorbing the glue on the glue control roller under the driving of the glue control roller. The glue control roller is scraped by the glue scraping knife board, the glue on the surface of the glue control roller is scraped, and the glue is stored in the glue containing groove chamber and is taken out of the glue injection groove. Because the transfer roller is attached to the glue control roller, the glue in the glue containing groove chamber can be coated on the surface of the transfer roller in a point mode under the pressure action of the transfer roller, and uniform glue points are formed on the transfer roller. The glue dots are uniformly coated on the surface of the glue coating roller under the pressure of the glue coating roller, and when the flexible cloth-shaped material to be coated passes between the compression roller and the glue coating roller, the glue coating roller presses and coats the glue on the surface of the flexible cloth-shaped material to be coated, so that the full coating work of the flexible cloth-shaped material to be coated is realized.
In the invention, when the glue is transferred to the transfer roller through the glue control roller, the glue scraping knife plate and the glue control roller are in a mutually attached state, so that errors caused by thermal deformation of the glue scraping knife plate and the glue control roller do not need to be considered, in addition, the glue is point-coated on the transfer roller through the glue containing groove chamber, the glue can be uniformly transferred to the transfer roller and the coating roller, and the glue pressed on the surface of the flexible cloth-shaped material to be coated has higher uniformity. The invention can carry out uniform and full coating work on the flexible cloth-shaped material to be coated under the heating condition by matching the frictioning knife plate, the glue control roller, the transfer roller, the glue coating roller and the press roller.
The present invention in a preferred example may be further configured to: the both ends of shifting the roller are equipped with fixed frame respectively, it is connected with the regulating block to be the horizontal direction in the fixed frame and slide, the tip of shifting the roller rotates and connects in the regulating block, one side of fixed frame horizontal direction is connected with adjust cylinder, adjust cylinder's telescopic link passes fixed frame and is connected in the regulating block.
Through adopting above-mentioned technical scheme, adjusting cylinder's drive power can promote the regulating block and remove, and the removal of regulating block can drive the transfer roller and remove to this makes the extrusion force between transfer roller and the accuse rubber roll realize adjusting, and the staff can be according to the appropriate adjustment regulating block position of the extrusion degree between transfer roller and the accuse rubber roll, so that the transfer roller can more powerfully paste tight accuse rubber roll, improves the play volume of holding the rubber groove room.
The present invention in a preferred example may be further configured to: the glue spreader is characterized in that supporting frames are respectively arranged at two ends of the glue spreader, a moving block is connected in the supporting frames in a sliding mode in the vertical direction, the end portions of the glue spreader are connected to the moving block in a rotating mode, a pressing cylinder is connected to one side of the supporting frames in the horizontal direction, and a telescopic rod of the pressing cylinder penetrates through the supporting frames and is connected to the moving block.
Through adopting above-mentioned technical scheme, the drive power of compressing tightly the cylinder can drive the removal piece and remove, and the movable block can drive the glue spreader and remove to this makes the extrusion force between glue spreader and the transfer roll realize adjusting, and the staff can be according to the position of the extrusion degree adjustment movable block between glue spreader and the transfer roll, makes the glue spreader more powerfully paste tight transfer roll, with this improved glue and removed the utilization ratio on the glue spreader from the transfer roll.
The present invention in a preferred example may be further configured to: the glue scraping knife plate is provided with a heat conduction oil pipeline along the length direction in a penetrating mode, and heat conduction oil circulates in the heat conduction oil pipeline.
By adopting the technical scheme, the heating rod can assist the glue control roller to heat glue together, so that the glue heating efficiency is improved, and the glue heating time is shortened.
The present invention in a preferred example may be further configured to: the tank bottom in glue injection groove is equipped with crosses gluey pole, cross gluey pole and set up along the length direction in glue injection groove, the equipment rack outer joint is used for driving to cross gluey pole pivoted power motor.
Through adopting above-mentioned technical scheme, power motor can order about gluey pole stirring glue to this bubble that makes in the glue is driven away out, has reduced the bubble and has got into and hold the indoor possibility of gluey groove, thereby the homogeneity when glue removes to the transfer roll has been improved.
The present invention in a preferred example may be further configured to: the utility model discloses a rubber coating cutting board, including frictioning cutting board, mounting pad, fixedly connected with heat conduction strip in the mounting pad, heat conduction strip and heat conduction oil pipeline contact, the one end fixedly connected with heat conduction lantern ring of mounting hole is kept away from to the heat conduction strip, the heat conduction lantern ring rotates the cover and establishes on crossing gluey pole.
Through adopting above-mentioned technical scheme, the heat of electrical heating rod can be conducted to the heat conduction through the heat conduction strip and sheathe in, and the heat conducts to crossing on the gluey pole through the heat conduction cover, crosses gluey pole and can follow the inside of glue and heat glue, cooperates jointly with outside accuse rubber roll to this has further improved the heating efficiency to glue.
A full-coating process of PUR hot melt adhesive full-coating equipment comprises the following steps:
s1, adjusting the frictioning knife plate: adjusting the frictioning knife plate to enable the flexible scraping knife plate of the frictioning knife plate to be tightly attached to the rubber control roller;
s2, preheating: heating the frictioning knife plate, then heating the glue control roll, the transfer roll and the glue coating roll, and after a period of time, preheating the whole equipment;
s3, hot glue: starting a power motor, pouring glue into the glue injection groove, uniformly stirring the glue in the glue injection groove through a glue passing rod, and starting a driving system after stirring for a period of time;
s4, sizing and coating: the method comprises the following steps of enabling a flexible cloth-shaped material to be coated to penetrate through a space between a compression roller and a glue spreader, enabling glue to be transferred through a glue control roller and to be coated on the transfer roller in a point mode, enabling the glue coated on the transfer roller to be extruded with the glue spreader in a mutual mode to form a glue film on the glue spreader, coating the glue film on the surface of the flexible cloth-shaped material, and completing the process of fully coating the flexible cloth-shaped material by PUR hot-melt glue under the heating condition.
Through adopting above-mentioned technical scheme, the frictioning cutting board, accuse rubber roll, shift the roller, glue spreader and compression roller cooperate jointly, can treat under the condition of heating, treat the flexible cloth form material of coating and carry out full coat work, and because the frictioning cutting board is closely pasted in accuse rubber roll, whole process can not receive expend with heat and contract with cold's influence, adopt the mode transmission glue of point coating between accuse rubber roll and the shift roller simultaneously, the point coating has the even advantage of rubber coating, consequently finally form the coating on the flexible cloth form material surface of treating the coating also has good homogeneity.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the glue scraping cutter plate is tightly attached to the glue control roller, the whole process is not influenced by thermal expansion and cold contraction, meanwhile, glue is transferred between the glue control roller and the transfer roller in a point coating mode, and the point coating has the advantage of uniform gluing, so that a coating finally formed on the surface of a flexible cloth-shaped material to be coated also has excellent uniformity;
2. the glue passing rod can drive out the bubbles in the glue, so that the content of the bubbles in the glue containing groove chamber is reduced;
3. the glue passing rod can heat the glue from the inside of the glue and is matched with the external glue control roller together, so that the heating efficiency of the glue is further improved.
Drawings
Fig. 1 is a schematic structural view for embodying a first coating structure in the background art.
Fig. 2 is a schematic structural diagram for embodying a second coating structure in the background art.
Fig. 3 is a schematic structural diagram for embodying the present invention in embodiment 1.
Fig. 4 is a schematic structural view for embodying the fixing frame, the supporting frame, and the positioning frame in embodiment 1.
Fig. 5 is a schematic structural diagram for embodying the doctor blade in the embodiment.
Fig. 6 is a schematic diagram of the structure of embodiment 2 of the present invention.
In the figure, 1, an equipment rack; 11. a support base; 12. a frame body; 2. controlling the rubber roller; 21. a bearing seat; 22. a glue containing groove chamber; 3. a transfer roll; 31. a fixing frame; 311. a guide strip; 32. a regulating block; 321. a guide groove; 33. an adjusting cylinder; 34. a colloid; 4. glue spreading roller; 41. a support frame; 411. a sliding strip; 42. a moving block; 421. a sliding groove; 43. a pressing cylinder; 5. a compression roller; 51. a positioning frame; 511. a restriction strip; 52. a sliding block; 521. a limiting groove; 53. a thrust cylinder; 6. a drive system; 61. a first motor; 62. a second motor; 63. a third motor; 64. a gear reduction box; 65. a tension sprocket; 66. a support shaft; 67. a fixed seat; 68. a tensioning cylinder; 7. a doctor blade; 71. injecting glue groove; 72. a support plate; 73. a rotating roller; 74. a drive motor; 75. a flexible scraper plate; 76. a heat conductive oil pipeline; 77. mounting grooves; 78. a heat conducting strip; 79. a heat conducting collar; 8. passing through a glue rod; 81. supporting legs; 82. a power motor; 83. extruding the spiral line; 9. and (4) a rubber roller.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
the embodiment discloses a PUR hot melt adhesive full-coating device, which comprises an equipment rack 1 and a frame body 12, wherein the equipment rack 1 comprises a supporting base 11 supported on the ground and a frame body 12 welded on the supporting base 11. The glue control roller 2, the transfer roller 3, the glue coating roller 4 and the compression roller 5 are rotatably connected among the frame bodies 12 of the equipment frame 1, and the glue control roller 2, the transfer roller 3 and the glue coating roller 4 are all heat conduction oil heating rollers.
Referring to fig. 3 and 4, the surface of the glue control roller 2 is provided with a plurality of glue containing chambers 22, and the glue containing chambers 22 include a groove type and a tooth groove type, in this embodiment, the groove type is adopted. The glue containing groove chambers 22 are uniformly distributed on the surface of the glue control roller 2. Bearing blocks 21 are fixedly sleeved at two ends of the rubber control roller 2 respectively, the bearing blocks 21 are connected to the equipment rack 1 through bolts, and the rubber control roller 2 is rotatably connected between the equipment rack 1 through the bearing blocks 21.
Referring to fig. 3 and 4, the transfer roller 3 is pressed against the glue control roller 2, and fixing frames 31 are provided at both ends thereof, and the fixing frames 31 are welded to the equipment frame 1. An adjusting block 32 is slidably connected in the horizontal direction in the fixed frame 31, and the ends of the transfer rollers 3 are rotatably connected to the adjusting block 32 through bearings, respectively. In order to improve the stability of the adjusting block 32 in the sliding process, guide grooves 321 are respectively formed on the two horizontal side walls of the adjusting block 32, and the fixing frame 31 is fixedly connected with guide strips 311 sliding in the guide grooves 321.
Referring to fig. 3 and 4, an adjusting cylinder 33 is coupled to one side of the fixing frame 31 in the horizontal direction by bolts, and an expansion link of the adjusting cylinder 33 passes through the fixing frame 31 and is coupled to the moving block 42 by bolts. Through the driving force of the adjusting cylinder 33, the transfer roller 3 can be attached to the glue control roller 2 constantly, so that the transfer roller 3 and the glue control roller 2 are attached tightly.
Referring to fig. 3 and 4, the transfer roller 3 is fixedly sleeved with a colloid 34, the colloid 34 is made of silica gel, and the colloid 34 is extruded on the glue spreader 4. The both ends of glue spreader 4 are equipped with braced frame 41 respectively, are the vertical direction in the braced frame 41 and slide and be connected with movable block 42, and the tip of glue spreader 4 rotates to be connected in movable block 42. In addition, in order to improve the sliding stability of the moving block 42 in the supporting frame 41, sliding grooves 421 are respectively formed on two vertical side walls of the moving block 42, and sliding bars 411 which slide in the sliding grooves 421 are respectively fixedly connected to two vertical inner side walls of the supporting frame 41.
Referring to fig. 3 and 4, a pressing cylinder 43 is connected to one side of the support frame 41 in the horizontal direction by a bolt, and an expansion rod of the pressing cylinder 43 passes through the support frame 41 and is connected to the moving block 42 by a bolt. In the coating process, the glue spreader 4 can be constantly attached to the transfer roller 3 by driving the pressing cylinder 43, so that the transfer roller 3 and the glue spreader 4 are tightly attached to each other.
Referring to fig. 3 and 4, the pressing roller 5 is extruded on the glue spreader 4, the two ends of the pressing roller 5 are respectively provided with a positioning frame 51, a sliding block 52 is connected in the positioning frame 51 in a sliding manner in the horizontal direction, and the end of the pressing roller 5 is rotatably connected to the sliding block 52 through a bearing. In order to improve the sliding stability of the sliding block 52 in the positioning frame 51, the horizontal side walls of the sliding block 52 are respectively provided with a limiting groove 521, and the horizontal side walls of the positioning frame 51 are respectively and fixedly connected with a limiting bar 511 sliding in the limiting groove 521.
Referring to fig. 3 and 4, a thrust cylinder 53 is connected to one side of the positioning frame 51 in the horizontal direction by a bolt, and an expansion rod of the thrust cylinder 53 passes through the positioning frame 51 and is connected to the sliding block 52 by a bolt. Through the drive power of thrust cylinder 53, compression roller 5 can paste glue spreader 4 constantly to this has realized the inseparable laminating between compression roller 5 and the glue spreader 4.
Referring to fig. 3 and 4, a driving system 6 for driving the glue control roller 2, the transfer roller 3 and the glue application roller 4 to rotate is connected outside the equipment frame 1. The driving system 6 comprises a first motor 61, a second motor 62 and a third motor 63, output shafts of the first motor 61, the second motor 62 and the third motor 63 are respectively and coaxially connected with a gear reduction box 64, and the output shafts of the gear reduction box 64 are respectively matched with the glue control roller 2, the transfer roller 3 and the glue coating roller 4 through chain wheels to realize transmission.
Referring to fig. 3 and 4, in the process that the adjusting cylinder 33, the pressing cylinder 43 and the thrust cylinder 53 drive the transfer roller 3, the glue spreading roller 4 and the press roller 5 to move, in order to enable the chains of the driving system 6 to move in a matching manner, tensioning sprockets 65 are respectively meshed on the outer sides of the chains, a supporting shaft 66 is rotatably connected to the center of each tensioning sprocket 65 through a bearing, a fixed seat 67 is fixedly connected to one end of each supporting shaft 66, a tensioning cylinder 68 is connected to the equipment frame 1 through a bolt, and an expansion rod of each tensioning cylinder 68 is connected to the fixed seat 67 through a bolt. In the process of adjusting the transfer roller 3, the glue spreader 4 and the compression roller 5, a worker can tension the chain in the driving system 6 by using the tensioning cylinder 68, so that transmission matching can be normally performed.
Referring to fig. 4 and 5, a doctor blade 7 is connected between the equipment racks 1, a flexible doctor blade 75 attached to the glue control roller 2 is connected to the doctor blade 7 through a bolt, and the flexible doctor blade 75 is attached to the glue control roller 2. An injection groove 71 with an upward opening is formed between the scraping knife board 7 and the glue control roller 2.
Referring to fig. 4 and 5, a support plate 72 is fixedly connected to a side of the doctor blade 7 away from the glue injection groove 71, and the support plate 72 extends toward the ground. A rotating roller 73 is arranged below the frictioning knife plate 7, and the rotating roller 73 is rotatably connected between the equipment frames 1 through a bearing. One side of the supporting plate 72, which is far away from the doctor blade 7, is fixedly connected to the rotating roller 73, a driving motor 74 for driving the rotating roller 73 to rotate is connected to the outside of the equipment rack 1 through a bolt, and transmission is realized between the driving motor 74 and the rotating roller 73 through the matching of chain wheels.
Referring to fig. 4 and 5, when a flexible cloth-like material to be coated is coated, a worker firstly injects glue for coating into the glue injection groove 71, then starts the driving system 6, the glue is adsorbed on the glue control roller 2 under the driving of the glue control roller 2, and the glue on the glue control roller 2 is transferred onto the transfer roller 3 because the transfer roller 3 is attached to the glue control roller 2, and the glue roller 4 is attached to the transfer roller 3, so that the glue is moved onto the glue roller 4 again. At the moment, the flexible cloth-shaped material to be coated passes between the glue spreader 4 and the compression roller 5, and the flexible cloth-shaped material to be coated is coated in the process of contacting with the glue spreader 4.
Referring to fig. 3 and 4, when the glue is transferred to the transfer roller 3 through the glue control roller 2, the glue can be uniformly spread on the transfer roller 3 because the glue moves to the transfer roller 3 through the glue containing tank chamber 22, and the glue on the transfer roller 3 can be uniformly transferred to the glue coating roller 4 because the transfer roller 3 and the glue coating roller 4 are mutually extruded and attached, so that the uniform coating of the flexible cloth-like material to be coated is realized.
Referring to fig. 3 and 4, in addition, when glue is coated on a flexible cloth-shaped material to be coated, the glue needs to sequentially pass through the glue control roller 2, the transfer roller 3 and the glue coating roller 4, so that when the glue amount is controlled, only the hole depth of the glue containing groove chamber 22 needs to be adjusted, the glue scraping knife board 7 is always attached to the glue control roller 2 under the action of external force, and therefore deformation errors generated by the glue scraping knife board 7 and the glue control roller 2 due to thermal expansion and cold contraction can be ignored.
Referring to fig. 3 and 4, under the mutual cooperation of the doctor blade 7, the glue control roll 2, the transfer roll 3 and the glue spreader 4, the deformation amount formed by expansion with heat and contraction with cold in the heating process is reduced, the effect of full coating of the flexible cloth-like material to be coated by using the thermal coating process is realized, and the thickness of the coating can be controlled by adjusting the depth of the hole of the glue containing groove chamber 22 in the full coating process.
Referring to fig. 3 and 4, in addition, in order to improve the heating effect on the glue, a heat conduction oil pipeline 76 penetrates through the glue scraping knife plate 7 along the length direction thereof, and heat conduction oil circulates in the heat conduction oil pipeline 76. In the working process, the heat conduction oil pipeline 76 is in a working state, and heat generated by the heat conduction oil pipeline 76 can enter the glue through conduction of the frictioning knife plate 7, so that the glue is heated.
Referring to fig. 4 and 5, the glue passing rod 8 is disposed at the bottom of the glue injection groove 71, and the glue passing rod 8 is disposed along the longitudinal direction of the glue injection groove 71. Supporting legs 81 are respectively arranged at two ends of the rubber passing rod 8 in a penetrating mode, the rubber passing rod 8 is connected to the supporting legs 81 through a bearing in a rotating mode, and the supporting legs 81 are fixedly connected to the rubber scraping knife board 7. A power motor 82 is connected outside the equipment rack 1 through a bolt, and the power motor 82 is coaxially connected to the rubber passing rod 8. Gaps are arranged between the glue passing rod 8 and the glue scraping knife plate 7 and between the glue passing rod 8 and the glue control roller 2.
Referring to fig. 4 and 5, when glue is in the glue injection groove 71, the power motor 82 drives the glue rod 8 to rotate, the glue rod 8 rolls in the rotating process, in order to improve the stirring effect of the glue rod 8 on the glue, an extrusion spiral line 83 is arranged on the glue rod 8, and the extrusion spiral line 83 is coiled towards one direction. In the process of rolling the glue, the air bubbles in the glue are expelled, so that the air bubbles entering the glue containing groove chamber 22 are reduced, the glue content in the glue containing groove chamber 22 is reduced, and the uniformity of the glue transferred from the glue control roller 2 to the transfer roller 3 is further improved.
Referring to fig. 5, the inner side wall of the doctor blade 7 facing away from the support plate 72 is provided with a mounting groove 77, a heat conducting strip 78 is fixedly connected in the mounting groove 77, the heat conducting strip 78 contacts with the heat conducting oil pipeline 76, one end of the heat conducting strip 78 facing away from the heat conducting oil pipeline 76 is fixedly connected with a heat conducting sleeve ring 79, and the heat conducting sleeve ring 79 is rotatably sleeved on the glue passing rod 8.
Referring to fig. 5, the heat conducting strip 78 can conduct heat of the heat conducting oil pipeline 76, the heat is conducted to the glue passing rod 8 after passing through the heat conducting strip 78 and the heat conducting sleeve ring 79, and the heat on the glue passing rod 8 can be dissipated in the glue, so that the glue can be heated from inside to outside, and the glue heating effect is improved.
The implementation principle of the embodiment is as follows:
1. starting the driving system 6 and the power motor 82, injecting glue into the glue injection groove 71, heating for a period of time, and pressing the flexible cloth-shaped material to be coated between the press roller 5 and the glue coating roller 4;
2. glue is scraped through frictioning cutting board 7 and is stayed holding gluey groove room 22, holds the extrusion of glue in gluey groove room 22 through transfer roll 3, and attached on the surface of coating roller, treat that the flexible cloth form material of coating is when between compression roller 5 and glue spreader 4, glue on the coating roller shifts to flexible cloth form material on to this realization is to the full coating technology of flexible cloth form material under the heating condition.
Example 2:
the embodiment discloses a full-coating process of a PUR hot melt adhesive full-coating device, which comprises the following steps of:
s1, adjusting the doctor blade 7: adjusting the frictioning knife plate 7 to ensure that the flexible frictioning knife plate 75 of the frictioning knife plate 7 is tightly attached to the glue control roller 2;
s2, preheating: heating the frictioning knife plate 7, then heating the glue control roll 2, the transfer roll 3 and the glue coating roll 4, and after a period of time, preheating the whole equipment;
s3, hot glue: starting the power motor 82, pouring glue into the glue injection groove 71 at the same time, uniformly stirring the glue in the glue injection groove 71 through the glue passing rod 8, and starting the driving system 6 after stirring for a period of time;
s4, sizing and coating: the flexible cloth-shaped material to be coated penetrates through a space between the compression roller 5 and the glue spreader 4, glue is spread on the transfer roller 3 through the transfer of the glue control roller 2, glue films are formed on the glue spreader 4 through mutual extrusion between the glue spreader 4 and the glue spread on the transfer roller 3, the glue films are spread on the surface of the flexible cloth-shaped material, and the process of fully coating the flexible cloth-shaped material by PUR hot-melt glue under the heating condition is completed.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. The utility model provides a PUR hot melt adhesive full-coating equipment, includes equipment rack (1), its characterized in that: rotate between equipment rack (1) and be connected with accuse rubber roll (2), transfer roller (3), glue spreader (4) and compression roller (5), the cladding has colloid (34) on transfer roller (3) roll surface, it has a plurality of glue containing groove rooms (22) to open on accuse rubber roll (2), colloid (34) are extruded in glue spreader (4), compression roller (5) are extruded in glue spreader (4), are equipped with locating frame (51) respectively at the both ends of compression roller (5), it is connected with sliding block (52) to be the horizontal direction slip in locating frame (51), the tip of compression roller (5) rotates and connects in sliding block (52), one side of locating frame (51) horizontal direction is connected with thrust cylinder (53), the telescopic link of thrust cylinder (53) passes locating frame (51) and is connected in sliding block (52), is connected with frictioning cutting board (7) between equipment rack (1), be connected with flexible scraper blade (75) that laminate in accuse rubber roll on scraper blade (7), form opening ascending notes gluey groove (71) between scraper blade (7) and accuse rubber roll (2), equipment rack (1) outer joint is used for driving accuse rubber roll (2), shifts roller (3), glue spreader (4) pivoted actuating system (6), accuse rubber roll (2), shift roller (3), glue spreader (4) are the warming mill.
2. PUR hot melt adhesive flood coating equipment according to claim 1, characterized in that: the both ends of transfer roller (3) are equipped with fixed frame (31) respectively, it slides to be the horizontal direction in fixed frame (31) and is connected with regulating block (32), the tip of transfer roller (3) rotates and connects in regulating block (32), one side of fixed frame (31) horizontal direction is connected with adjust cylinder (33), the telescopic link of adjust cylinder (33) passes fixed frame (31) and is connected in regulating block (32).
3. PUR hot melt adhesive flood coating equipment according to claim 1, characterized in that: the glue spreader is characterized in that supporting frames (41) are respectively arranged at two ends of the glue spreader (4), a moving block (42) is connected in the supporting frames (41) in a sliding mode in the vertical direction, the end portion of the glue spreader (4) is rotatably connected to the moving block (42), a pressing cylinder (43) is connected to one side of the supporting frames (41) in the horizontal direction, and a telescopic rod of the pressing cylinder (43) penetrates through the supporting frames (41) and is connected to the moving block (42).
4. PUR hot melt adhesive flood coating equipment according to claim 1, characterized in that: the glue scraping knife plate (7) penetrates through a heat conduction oil pipeline (76) along the length direction of the glue scraping knife plate, and heat conduction oil circulates in the heat conduction oil pipeline (76).
5. PUR hot melt adhesive flood coating equipment according to claim 1, characterized in that: the tank bottom in notes gluey groove (71) is equipped with glues pole (8), cross gluey pole (8) and set up along the length direction in notes gluey groove (71), equipment rack (1) outer connection has and is used for the drive to cross gluey pole (8) pivoted power motor (82).
6. PUR hot melt adhesive flood coating equipment according to claim 5, characterized in that: the utility model discloses a rubber coating cutter plate, including frictioning cutting board (7), support plate (72) and heat conduction oil pipe way (76), the inside wall that frictioning cutting board (7) deviates from support plate (72) is opened there is mounting groove (77), fixedly connected with heat conduction strip (78) in mounting groove (77), heat conduction strip (78) contacts with heat conduction oil pipe way (76), the one end fixedly connected with heat conduction lantern ring (79) of heat conduction oil pipe way (76) is kept away from in heat conduction strip (78), heat conduction lantern ring (79) are rotated the cover and are established on crossing gluey pole (8).
7. A full-coating process using the PUR hot melt adhesive full-coating apparatus as set forth in any one of claims 1 to 6, which comprises the steps of:
s1, adjusting the doctor blade plate (7): adjusting the scraping knife board (7) to enable the flexible scraping knife board (75) of the scraping knife board (7) to be tightly attached to the glue control roller (2);
s2, preheating: heating the frictioning knife board (7), then heating the glue control roll (2), the transfer roll (3) and the glue coating roll (4), and after a period of time, preheating the whole equipment;
s3, hot glue: starting a power motor (82), pouring glue into the glue injection groove (71), uniformly stirring the glue in the glue injection groove (71) through a glue passing rod (8), and starting a driving system (6) after stirring for a period of time;
s4, sizing and coating: the method comprises the steps that a flexible cloth-shaped material to be coated penetrates between a compression roller (5) and a glue spreader (4), glue is transferred through a glue control roller (2) and is spread on a transfer roller (3), the glue spread on the transfer roller (3) is extruded with the glue spreader (4) to form a glue film on the glue spreader (4), the glue film is spread on the surface of the flexible cloth-shaped material, and the process that PUR hot-melt glue is used for fully coating the flexible cloth-shaped material under the heating condition is completed.
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| CN201911423611.6A CN111058297B (en) | 2019-12-31 | 2019-12-31 | PUR hot melt adhesive full-coating equipment and full-coating process thereof |
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| CN114379192A (en) * | 2022-01-06 | 2022-04-22 | 浙江嘉声环保科技有限公司 | Fabric laminating method and laminating machine |
| CN114769056B (en) * | 2022-05-25 | 2022-11-22 | 建滔(佛冈)积层板有限公司 | Method and device for improving permeability of high inorganic filler glue solution formula |
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