CN112517345A - Glue coating method and device for multi-rail piano ribbon - Google Patents
Glue coating method and device for multi-rail piano ribbon Download PDFInfo
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- CN112517345A CN112517345A CN202011463590.3A CN202011463590A CN112517345A CN 112517345 A CN112517345 A CN 112517345A CN 202011463590 A CN202011463590 A CN 202011463590A CN 112517345 A CN112517345 A CN 112517345A
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- wheel
- module
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- piano
- gluing
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- 239000003292 glue Substances 0.000 title claims abstract description 49
- 238000000576 coating method Methods 0.000 title claims abstract description 16
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 238000003892 spreading Methods 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 11
- 238000010073 coating (rubber) Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 239000006247 magnetic powder Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
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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
- B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
-
- 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
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
-
- 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
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0245—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to a moving work of indefinite length, e.g. to a moving web
-
- 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
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
-
- 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
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
-
- 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
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0426—Cooling with air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/02—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The glue coating method and device for the multi-rail piano ribbon comprise a rack, wherein a feeding module, a heating module, a glue coating module and a cooling module are sequentially arranged on the rack; the outlet of the heating module warm air channel is aligned with the woolen belt between the friction feeding wheel and the tensioning wheel; a gluing module is arranged in front of the heating module and comprises a gluing machine arranged on the frame, and the outlet of a gluing head of the gluing machine is aligned with a woolen belt between the friction feeding wheel and the tensioning wheel; a cooling module is arranged between the glue spreader and the tension wheel, the cooling module comprises a cold air box and a refrigerator which are arranged on the frame, an outlet of a cold air channel connected with the refrigerator is arranged in the cold air box, and the woolen belt penetrates through the cold air box. Compared with the prior art, the glue spreading machine has the characteristics of convenience, high efficiency, good glue spreading effect and high productivity.
Description
Technical Field
The invention relates to a glue coating method and device for a piano ribbon, in particular to a glue coating method and device for a multi-rail piano ribbon.
Background
In modern production, piano ribbons are an important component in the components of pianos, which are often used for cushioning of keys. The woolen belt is simple in structure, but the firmness of glue coating on the woolen belt is improved, the coating processing efficiency is improved, and the traditional simple gluing process is required to be improved. The traditional gluing process is only to simply glue the glue on the surface of the woolen belt after hot melting, and the glue and the woolen belt have large temperature difference during coating, so that the phenomenon of degumming in the use process can be caused, and the tone quality of the piano is influenced. The glued woolen strips are scattered in a turnover box at present, special equipment is additionally needed for rolling, and the cost is increased for a processing plant.
The existing woolen belt for manufacturing the piano has two general widths of 7 mm and 9 mm. In the actual gluing process, corresponding width limit devices need to be replaced aiming at two widths, so that the complexity of the gluing process is increased.
Disclosure of Invention
In order to overcome the defects of the prior art, the gluing method and the gluing device for the multi-rail piano ribbon are provided, the degumming phenomenon can be effectively prevented, the gluing process can be realized on the same equipment aiming at two different widths of the ribbon, and the gluing processing efficiency is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the glue coating method for the multi-rail piano strip comprises the following steps:
step one, heating a woolen belt, wherein the heating temperature of the woolen belt is consistent with the hot melting temperature of glue;
step two, coating the glue on the woolen belt after hot melting;
and step three, cooling the coated woolen belt below the normal temperature.
In the gluing method for the multi-rail piano ribbon, the heating temperature of the ribbon is 210-.
The gluing method of the multi-rail piano ribbon has the temperature range lower than the normal temperature of 5-10 ℃.
The multi-rail piano ribbon gluing device comprises a rack, wherein a feeding module, a heating module, a gluing module and a cooling module are sequentially arranged on the rack;
the feeding module comprises friction feeding wheels which are arranged in pairs, a tension wheel is arranged in front of the friction feeding wheels, and a cutting module is connected in front of the tension wheel; a heating module is arranged between the friction feeding wheel and the tension wheel, the heating module comprises a fan heater and a warm air channel, and the outlet of the warm air channel is aligned to the woolen belt between the friction feeding wheel and the tension wheel; a gluing module is arranged in front of the heating module and comprises a gluing machine arranged on the frame, and the outlet of a gluing head of the gluing machine is aligned with a woolen belt between the friction feeding wheel and the tensioning wheel; a cooling module is arranged between the glue spreader and the tension wheel, the cooling module comprises a cold air box and a refrigerator which are arranged on the frame, an outlet of a cold air channel connected with the refrigerator is arranged in the cold air box, and the woolen belt penetrates through the cold air box.
Foretell multi-track piano woollen area rubber coating device is equipped with cutting module in air-cooler case the place ahead, and cutting module includes knife rest and tool bit, and the tool bit is fixed on the knife rest, and the knife rest is fixed in the frame, and the 14 millimeters wide woollen area is aimed at to the tool bit.
Foretell multi-rail piano woollen area rubber coating device is equipped with the material collecting module in cutting module the place ahead, and the material collecting module includes the coil stock dish, and the coil stock dish is installed in the frame, and the axis of rotation of coil stock dish is connected with the output shaft of magnetic powder clutch.
Foretell multi-rail piano woolen belt rubber coating device installs clutch on the friction feed wheel:
the clutch device comprises a driving shaft, the driving shaft is arranged on the rack through a driving shaft seat, and one end of the driving shaft is connected with the motor; the middle working part of the driving shaft is fixedly connected with a first clutch wheel and a second clutch wheel, and the clutch surfaces of the two clutch wheels are opposite; the clutch wheel comprises a shaft sleeve fixed on the driving shaft, and an electromagnetic coil is fixed on the shaft sleeve through a bearing; the first and second driving wheels are movably arranged on the driving shaft through a bearing and are arranged between the first and second clutch wheels, the clutch end faces of the first and second driving wheels are respectively opposite to the end faces of the first and second clutch wheels, and the peripheral surfaces of the first and second driving wheels are respectively provided with a slot corresponding to the widths of the large and small bands; the glue spreader is driven by the cylinder and is used for driving the outlet of the glue spreading head to align with one of the two widths of the nylon tapes.
Foretell multi-track piano strip rubber coating device is equipped with the guide way between friction feed wheel and the take-up pulley, and the strip is worn to locate in the guide way.
Foretell multi-track piano woollen area rubber coating device, the guide way is two in front and back, and the rubber coating head export aims at the woollen area of two guide ways middle parts.
The magnetic powder clutch is universal equipment, and the strength of the magnetic force between the clutch discs is controlled by different voltages, so that the tension of the coil disc is kept at a certain value, and the phenomenon that the woolen belt is too tight or too loose is avoided.
The glue spreader is composed of a hot melt glue machine, when the woolen belt passes through the friction feeding wheel and the guide groove, a glue spreading head of the hot melt glue machine is used for spreading melted glue on the woolen belt.
The cutting module can cut the 14mm width of the woolen belt into two 7 mm width parts along the longitudinal direction, and the requirement of the existing woolen belt for manufacturing the piano is met. The 14-millimeter-width woolen belt is one of general sizes on the market, the gluing and manufacturing of the 7-millimeter woolen belt can be efficiently completed by using the cutting device, the 7-millimeter woolen belt used on one piano is almost twice as large as the 9-millimeter woolen belt, and the 14-millimeter woolen belt is cut into two pieces, so that the quantity distribution is just suitable.
The electromagnetic coil in the clutch wheel is electrified, so that the driving wheel of the opposite belt can be attracted and attached to the end surface of the clutch wheel; the rotation of the driving shaft drives the clutch wheel to rotate, and the rotation of the clutch wheel can drive the rotation of the driving wheel which is mutually attracted. According to the clutch device, the electromagnetic coil of the first clutch wheel or the electromagnetic coil of the second clutch wheel are electrified to respectively drive the first driving wheel or the second driving wheel to rotate, and finally the driving wheels with the grooves with the widths of 9mm or 14mm can be controlled to rotate respectively, so that one device can drive the 9mm or 14mm woolen belts to finish gluing the woolen belts, and the rubber belts can be controlled respectively, so that the production efficiency is improved, and the production cost is reduced.
According to the invention, two driving wheels are arranged on one driving shaft, and power can be independently switched in an electromagnetic clutch mode, so that any one driving wheel can be selected to rotate, and the production of the woolen belts with two widths can be simultaneously met.
Compared with the prior art, the glue spreading machine has the characteristics of convenience, high efficiency, good glue spreading effect and high productivity.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of the present invention with the cooling box glass removed.
Fig. 3 is a schematic sectional view of the clutch device of the present invention.
Fig. 4 is an exploded view of the clutch device of the present invention.
Fig. 5 is a schematic structural diagram of the cooling device of the present invention.
Fig. 6 is a schematic structural diagram of the cutting device of the present invention.
Fig. 7 is a schematic structural view of the glue spreading device of the present invention.
Labeled as: the device comprises a machine frame 1, a coil plate 21, a magnetic powder clutch 22, a controller 3, a cutting module 4, a tension pulley 5, a cooling box 6, a woolen belt 7, a friction feeding wheel 8 and a heating module 9; 801 driving shaft sleeve, 810 first clutch wheel, 811 shaft sleeve of first clutch wheel, 812 electromagnetic coil on first clutch wheel, 820 second clutch wheel, 821 shaft sleeve of second clutch wheel, 822 electromagnetic coil on second clutch wheel, 802 bearing, 831 second friction feeding wheel, 832 first friction feeding wheel, 833 and 834 are slots corresponding to the width of the driving belt and formed on the peripheral surface of the driving wheel, 804 driving shaft; 71 is a 9mm wide woollen belt, 72 is a 14mm wide woollen belt, 61 is a condensing fan, 62 is a cooler pipeline, namely a cold air channel, 63 is a cold air outlet, 64 is an air outlet of the cold air channel, and 65 is a reversing wheel; 40 is a cutter head for cutting the woolen belt, 41 is a cutter frame, and 42 is a cylinder; 90 glue spreader, 91 front guide groove, 92 warm air channel outlet, 93 rear guide groove.
Detailed Description
The glue coating method for the multi-rail piano strip comprises the following steps:
step one, heating a woolen belt, wherein the heating temperature of the woolen belt is consistent with the hot melting temperature of glue, and the heating temperature of the woolen belt is 210-220 ℃;
step two, coating the glue on the woolen belt after hot melting;
and step three, cooling the coated woolen belt below the normal temperature, wherein the temperature range below the normal temperature is 5-10 ℃.
Referring to the attached drawings, the multi-rail piano ribbon gluing device comprises a rack, wherein a feeding module, a heating module, a gluing module and a cooling module are sequentially arranged on the rack;
the feeding module comprises friction feeding wheels 8 which are arranged in pairs, a tension wheel 5 is arranged in front of the friction feeding wheels, and a cutting module is connected in front of the tension wheel; a guide groove is formed between the friction feeding wheel and the tension wheel, the woolen belts 71 and 72 penetrate through the guide groove, the guide groove is divided into a front part and a rear part 91 and 93, the heating module comprises a fan heater and a warm air channel, an outlet 92 of the warm air channel is aligned with the woolen belts between the friction feeding wheel and the tension wheel, and the warm air heats the woolen belts at a temperature of 210 plus 220 ℃; a gluing module is arranged in front of the heating module and comprises a gluing machine 90 arranged on the frame, and the outlet of a gluing head of the gluing machine is aligned with the belts in the middle parts of the two guide grooves; a cooling module is arranged between the glue spreader and the tension wheel, the cooling module comprises a cold air box 6 and a refrigerator which are arranged on the frame, an outlet 64 of a cold air channel 62 connected with the refrigerator is arranged in the cold air box, and the felt belt passes through the cold air box; and a plurality of groups of reversing wheels 65 are arranged in the cold air box, so that the woolen belt is fully cooled in the cold air box.
The friction feeding wheel is provided with a clutch device: the clutch device comprises a driving shaft which is provided with a clutch,
a driving shaft 804 is arranged on a frame of the glue spreader through a driving shaft seat 801, and one end of the driving shaft is connected with a motor; the middle working part of the driving shaft is fixedly connected with a first clutch wheel 810 and a second clutch wheel 820, and the clutch surfaces of the two clutch wheels are opposite; the clutch wheel includes shaft sleeves 811 and 821 fixed on the driving shaft, and electromagnetic coils 812 and 822 fixed on the shaft sleeves through bearings; the first and second friction feeding wheels 831 and 832 are movably mounted on the driving shaft through bearings and are mounted between the first and second clutch wheels, the clutch end faces of the first and second friction feeding wheels are respectively opposite to the end faces of the first and second clutch wheels, the peripheral surfaces of the first and second friction feeding wheels are respectively provided with slots 833 and 834 corresponding to the width of the woolen belt, and the slot widths are respectively 9mm and 14 mm.
When 14mm wide woollen belt needs to be driven, the solenoid on the first clutch pulley is powered on, and solenoid actuation closes on axle sleeve 11, and the drive wheel of installing in first clutch pulley one side is also adsorbed and on the axle sleeve by the magnetic field that produces simultaneously, and the rotation of drive shaft can drive the rotation of friction feeding wheel through the axle sleeve this moment to can drive 14mm wide woollen belt motion. At this time, the second drive wheel with a slot width of 9mm is kept idle, and the electromagnetic coil 22 on the second off-wheel is also kept idle.
When a 9mm wide woolen belt needs to be driven, the charge loading on the electromagnetic coil is released, the electromagnetic coil on the second clutch wheel is electrified, and the second driving wheel can be adsorbed on the shaft sleeve through the magnetic field and moves through the driving shaft.
The driving wheel corresponding to the clutch wheel can be sucked and attached tightly by electrifying the electromagnetic coils on the first clutch wheel and the second clutch wheel, and the side friction feeding wheel can be driven to rotate by starting the driving shaft to rotate; thereby drive corresponding woollen area feeding through friction drive wheel, simple structure, the drive is convenient.
The glue applicator 90 is driven by a cylinder so that the outlet of the glue application head is aligned with one of the two widths of the large and small woolen strips.
A cutting module is arranged in front of the cold air box and comprises a cutter frame 41 and a cutter head 40, the cutter head is fixed on the cutter frame, the cutter frame is fixed on the rack, and the cutter head is aligned to a 14-millimeter-width woolen belt.
The material receiving module is arranged in front of the cutting module and comprises a coil tray 21, the coil tray is installed on the rack, and a rotating shaft of the coil tray is connected with an output shaft of the magnetic powder clutch 22.
The cutter frame can also be fixedly connected with an output shaft of the cylinder 42, when cutting is needed, the cylinder drives the cutter frame and the cutter head to move forwards, so that the cutter head penetrates through the 14mm woolen belt, and the 14mm woolen belt is cut into two strips with the width of 7 mm.
The outlet of the cold air channel is aligned with the woolen belt in the cold air box, so that the cooling effect can be achieved. The invention can cool the whole cooling box through the condensing fan, and the cooling box is provided with an air outlet. The temperature in the cold air box is kept lower than the normal temperature, and the temperature interval is 5-10 ℃.
The invention can realize the gluing of the woolen belts with two specifications of 9mm and 14mm on one machine, and the friction feeding wheel can select to feed the woolen belts with 9mm or 14mm through the clutch device, so that the woolen belts are glued, cooled and wound to finish the processing.
Meanwhile, the glue spreader can be arranged on the air cylinder and used for adjusting the pressure of the glue spreader to the woolen strips. The glue outlet of the glue spreader is a flat and wide gap, the extruded glue is flat, the woolen belt is driven by the driving wheel to move at a constant speed, and after the woolen belt passes through the glue outlet, the glue is attached to the woolen belt.
When the 14mm wide woolen belt is glued, the woolen belt can be cut by the cutter head to be separated into two 7 mm woolen belts, so that the requirements of two general width specifications of 7 mm and 9mm required by the existing piano manufacture are met.
Claims (9)
1. The glue coating method for the multi-rail piano strip comprises the following steps:
step one, heating a woolen belt, wherein the heating temperature of the woolen belt is consistent with the hot melting temperature of glue;
step two, coating the glue on the woolen belt after hot melting;
and step three, cooling the coated woolen belt below the normal temperature.
2. The method for applying glue to the ribbon for multi-track piano of claim 1, wherein the heating temperature of the ribbon is 210-220 ℃.
3. A method for coating rubber on a ribbon for a multi-track piano as claimed in claim 1, wherein the temperature range below the room temperature is 5-10 ℃.
4. The multi-rail piano ribbon gluing device comprises a rack, wherein a feeding module, a heating module, a gluing module and a cooling module are sequentially arranged on the rack;
the feeding module comprises friction feeding wheels which are arranged in pairs, a tension wheel is arranged in front of the friction feeding wheels, and a cutting module is connected in front of the tension wheel; a heating module is arranged between the friction feeding wheel and the tension wheel, the heating module comprises a fan heater and a warm air channel, and the outlet of the warm air channel is aligned to the woolen belt between the friction feeding wheel and the tension wheel; a gluing module is arranged in front of the heating module and comprises a gluing machine arranged on the frame, and the outlet of a gluing head of the gluing machine is aligned with a woolen belt between the friction feeding wheel and the tensioning wheel; a cooling module is arranged between the glue spreader and the tension wheel, the cooling module comprises a cold air box and a refrigerator which are arranged on the frame, an outlet of a cold air channel connected with the refrigerator is arranged in the cold air box, and the woolen belt penetrates through the cold air box.
5. A multi-track piano ribbon gluing device as defined in claim 4, wherein a cutting module is arranged in front of the cooling air box, the cutting module comprises a cutter holder and a cutter head, the cutter head is fixed on the cutter holder, the cutter holder is fixed on the frame, and the cutter head is aligned with the 14mm wide ribbon.
6. A multi-track piano strip gluing device as defined in claim 4, wherein a material receiving module is provided in front of the cutting module, the material receiving module comprises a material winding disk, the material winding disk is mounted on the frame, and a rotation shaft of the material winding disk is connected with an output shaft of the magnetic powder clutch.
7. A multi-track piano felt rubber coating apparatus as defined in claim 4, wherein the friction feed wheel is provided with a clutch device:
the clutch device comprises a driving shaft, the driving shaft is arranged on the rack through a driving shaft seat, and one end of the driving shaft is connected with the motor; the middle working part of the driving shaft is fixedly connected with a first clutch wheel and a second clutch wheel, and the clutch surfaces of the two clutch wheels are opposite; the clutch wheel comprises a shaft sleeve fixed on the driving shaft, and an electromagnetic coil is fixed on the shaft sleeve through a bearing; the first and second driving wheels are movably arranged on the driving shaft through a bearing and are arranged between the first and second clutch wheels, the clutch end faces of the first and second driving wheels are respectively opposite to the end faces of the first and second clutch wheels, and the peripheral surfaces of the first and second driving wheels are respectively provided with a slot corresponding to the widths of the large and small bands; the glue spreader is driven by the cylinder and is used for driving the outlet of the glue spreading head to align with one of the two widths of the nylon tapes.
8. A rubber coating apparatus for multi-track piano bands as claimed in claim 4, wherein a guide groove is provided between the friction feed wheel and the tension wheel, and the bands are inserted into the guide groove.
9. A multi-track piano ribbon gluing device as defined in claim 8, wherein the two guide grooves are arranged in front and back, and the outlet of the gluing head is aligned with the ribbon in the middle of the two guide grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011463590.3A CN112517345A (en) | 2020-12-14 | 2020-12-14 | Glue coating method and device for multi-rail piano ribbon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011463590.3A CN112517345A (en) | 2020-12-14 | 2020-12-14 | Glue coating method and device for multi-rail piano ribbon |
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| Publication Number | Publication Date |
|---|---|
| CN112517345A true CN112517345A (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011463590.3A Pending CN112517345A (en) | 2020-12-14 | 2020-12-14 | Glue coating method and device for multi-rail piano ribbon |
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| CN (1) | CN112517345A (en) |
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| CN107401006A (en) * | 2017-08-14 | 2017-11-28 | 利均刺绣(海宁)有限公司 | A kind of patch anglicanum |
| CN216025996U (en) * | 2020-12-14 | 2022-03-15 | 杭州康博机械设备有限公司 | Multi-rail piano woolen belt gluing device |
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2020
- 2020-12-14 CN CN202011463590.3A patent/CN112517345A/en active Pending
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|---|---|---|---|---|
| CN2040191U (en) * | 1988-06-06 | 1989-06-28 | 南通航海仪表厂 | Dc double-speed electromagnetic clutch |
| CN1799835A (en) * | 2005-10-19 | 2006-07-12 | 江阴科隆化工材料有限公司 | Method for coating hot-melt adhesive film on knitted fabric |
| CN201456539U (en) * | 2009-07-31 | 2010-05-12 | 陈贵宝 | High-efficiency rotary label printing press |
| CN101775747A (en) * | 2009-12-02 | 2010-07-14 | 山东云龙绣品有限公司 | Manufacturing process of composite textile |
| CN101847907A (en) * | 2010-06-04 | 2010-09-29 | 英利能源（中国）有限公司 | Solar automobile and photovoltaic electromagnetic engaging and disengaging gear |
| CN103894319A (en) * | 2014-04-02 | 2014-07-02 | 苏州天钻机械设备有限公司 | Sealing tape coater as well as tape coating method |
| CN105216661A (en) * | 2015-10-29 | 2016-01-06 | 上海延锋江森座椅有限公司 | A propulsion source is adopted to drive method and the mechanism of multiple drive source |
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Application publication date: 20210319 |