CN208263465U - Woven bag equipment for coating film - Google Patents

Abstract

The utility model relates to a kind of woven bag equipment for coating film, including constant tension device, synchronized tracking corona cleaning device, base fabric thermostat, the smooth processing unit of cloth cover, precise synchronization perforating device, the woven bag successively passes through constant tension device, synchronized tracking corona cleaning device, base fabric thermostat, the smooth processing unit of cloth cover, precise synchronization perforating device is handled, wherein constant tension device makes woven bag keep some tension, synchronized tracking corona cleaning device is the dust removed in woven bag, base fabric thermostat reaches suitable temperature by woven bag before overlay film, the smooth processing unit of cloth cover allows woven bag entirely overlay film, precise synchronization perforating device carries out accurate punching to coated knitted bag, finally obtain qualified punching coated knitted bag.The each device of the utility model is improved from each details that woven bag produces is influenced, and improves the qualification rate of woven bag production, and meets the environmental protection policy of country.

Description

Woven bag equipment for coating film

Technical field

The utility model relates to woven bag production field more particularly to a kind of woven bag equipment for coating film.

Background technique

In the production process of woven bag, the technique often used is exactly coating technique, and woven bag is carrying out overlay film When have several key influence factors: it is accurate to punch after the flat conditions of cloth cover, the dust in cloth, the temperature of overlay film, overlay film Degree.For woven bag if regosity before overlay film, the woven bag that overlay film comes out is exactly waste product, reduces production coated knitted bag Qualification rate；Woven bag is removed before overlay film without dust, be will affect the coating processes of woven bag and is be easy to cause processing workshop The dust pollution of interior air damages the body of worker, and there is also the huge hidden danger of dust explosion, and it is raw to enterprise not meet country yet Produce the requirement of environmental protection；The fluctuation (too high or too low) of temperature before woven bag overlay film can make the woven bag waste product produced or Substandard products；The too deep coated knitted bag that will lead to of the punching of woven bag punched in packaging process leakage ash, infiltration ash and shallowly then will lead to overlay film Woven bag sprays ash during the packaging process, fries and wrap, and leakage is grey, it is grey to seep, spray ash, fries Bao Jun will lead to serious environmental pollution.Based on upper Coated knitted bag is stated in coating process there are influence factor, needing to design a kind of can improve coated knitted bag production qualification rate Equipment, to overcome the shortcoming of existing production coated knitted bag.

Summary of the invention

In view of this, being able to maintain the purpose of this utility model is to provide one kind, cloth cover is smooth, processing dust, guarantees properly Heating temperature and the accurate woven bag equipment for coating film of punching.

In order to achieve the goal above, the utility model uses such a woven bag equipment for coating film, including synchronized tracking electricity Dizzy cleaning device, base fabric thermostat, the smooth processing unit of cloth cover, precise synchronization perforating device, the woven bag successively pass through Synchronized tracking corona cleaning device, base fabric thermostat, the smooth processing unit of cloth cover, precise synchronization perforating device are handled, The synchronized tracking corona cleaning device include the first frame body and setting the intracorporal power supply of first, dust catcher, upper roller, under Roller, corona washer, first frame body two sides are respectively formed inlet port and outlet port, and upper roller and bottom roll are separately connected In first body, corona washer is both provided with below the top of upper roller and bottom roll, the power supply and corona clean Device electrical connection, power supply are electrically connected with dust catcher, and the side of discharge port is arranged in dust catcher, and the base fabric thermostat includes second Frame body and be arranged in the intracorporal heating tank of the second frame, control cabinet, heating tank includes upper heating tank and lower heating tank, upper heating tank and Lower heating tank horizontal symmetrical is arranged, and forms heating channel between upper heating tank and lower heating tank, adds in the upper heating tank with lower Multiple heating tubes are both provided in heat channel, heating tube is equably horizontally arranged, and being all full of around heating tube has thermal insulation material, heats Pipe is electrically connected with control cabinet, and the smooth processing unit of cloth cover includes third frame body and is arranged in intracorporal two overlay films of third frame Machine film head, two laminating machine press mold rollers, described two laminating machine film heads are symmetricly set on top two sides, two laminating machine press molds Roller is symmetricly set on lower part two sides and mutually touches, and the precise synchronization perforating device includes the 4th frame body and is movably connected in The intracorporal rubber cylinder of 4th frame, steel needle roller, the rubber cylinder surface form round and smooth rubber thin-bed, steel needle cylinder surface It forms equally distributed steel needle, rubber cylinder and steel needle roller and linkage, the rubber is formed by the connection of steel needle and rubber thin-bed The distance between glue cylinder and steel needle roller are adjustable.

Synchronized tracking corona cleaning device, base fabric thermostat in above-mentioned woven bag equipment for coating film, the smooth processing of cloth cover Device, precise synchronization perforating device successively carry out dust removal, heating, overlay film, the accurately operation punched to woven bag, wherein it is synchronous with Track corona cleaning device issues ultrasonic wave to by the woven bag on upper roller and bottom roll by corona washer, makes woven bag Interior dust is attached to surface because of vibration, and the dust on woven bag surface is siphoned away using dust catcher, reaches the mesh of woven bag cleaning , while the adhesion strength of woven bag is improved, base fabric thermostat, which controls heating tube by control cabinet, makes the temperature liter in heating tank Height, thermal insulation material injection make heating temperature keep relative stability in heating tank, when woven bag cloth is fed from heating channel, Upper heating tank and lower heating tank carry out Double-side Heating to woven bag cloth, and the smooth processing unit of cloth cover is symmetrically arranged by two sides Laminating machine film head carries out overlay film simultaneously by woven bag cloth two sides, and laminating machine film head is by overlay film raw material hot-melt extruded at one whole film Leaching rolls woven bag and realizes overlay film, the laminating machine press mold mutually touched down toward laminating machine press mold roller, laminating machine press mold roller Roller is more compact by woven bag cloth overlay film, increases woven bag cloth overlay film qualification rate, and precise synchronization perforating device passes through rubber The accurate cooperation of roller and steel needle roller is punched, and woven bag, will not when carrying out transmission punching on round and smooth rubber cylinder Occur that punching deviation occurs because of gauffer, while punching can be changed by fine tuning the distance between rubber cylinder and steel needle roller Size.

This practical woven bag equipment for coating film that is further arranged to further includes constant tension device, and the setting of constant tension device exists The feed inlet side of synchronized tracking corona cleaning device, the constant tension device include the 5th frame body and are connected to the 5th frame body Interior the first roller, second tin roller, third roller, first roller and third roller be symmetricly set on the 5th frame it is intracorporal on Portion two sides, second tin roller setting are provided with cylinder below the 5th intracorporal middle part of frame, the second tin roller, the cylinder Mandril face second tin roller.

Mentioned strain constant device is in the charging of woven bag cloth, successively from the first roller, second tin roller, third roller Upper progress " V " type transmission, the mandril of cylinder slightly resist the woven bag cloth by second tin roller, woven bag cloth are enable to unfold Certain tension is opened and keeps, woven bag cloth is to keep entirely carrying out dust removal process.

This practical synchronized tracking corona cleaning device that is further arranged to further includes processor and tachymeter, the processor It is electrically connected with tachymeter, corona washer is electrically connected with processor, and the output end of roller in tachymeter face, power supply is separately connected The input terminal of corona washer and the input terminal of dust catcher, the input terminal of the output end connection processor of tachymeter, processor The input terminal of output end connection corona washer.

Above-mentioned tachymeter can detect the speed of woven bag charging, and processor can adjust corona washer according to charging rate The ultrasonic frequency of sending, low speed charging when the lower ultrasonic pulse of output frequency, high speed feed when output frequency compared with High ultrasonic pulse, woven bag is broken by the pulse of high frequency when preventing from feeding at a slow speed, makes synchronized tracking corona cleaning device more For energy conservation, intelligence.

This is practical, and to be further arranged to dust catcher include dust absorption fan and sweep-up pipe, the air inlet of the dust absorption fan and suction The connection of dirt pipe, forms one section of narrow suction inlet on sweep-up pipe, and suction inlet is close to discharge port.

Above-mentioned narrow suction inlet can comprehensively and efficiently siphon away the dust on woven bag surface, can also prevent dust from dust suction It is dropped out in pipe.

This practical base fabric thermostat that is further arranged to further includes that tracking and temperature testing is popped one's head in, roll left cylinder and right roller, tracking Temperature probe is electrically connected with control cabinet, described to roll left cylinder and right roller is symmetrically arranged at the two sides in heating channel, it is described with The right roller of track temperature probe face.

The position of above-mentioned left and right roller can allow woven bag cloth enter heating channel can equably Double-side Heating, thermometric The probe right roller of face most can rapidly measure the woven bag cloth surface temperature after the heating of heating channel, and temperature is anti- It feeds control cabinet, control cabinet adjusts the degree of heat of heating tube according to actual temperature, reduces measurement process in entire feedback In error, improve overlay film success rate.

This practical smooth processing unit of cloth cover that is further arranged to further includes fixing axle, tension spring, and the fixing axle setting exists Among laminating machine film head and laminating machine press mold roller, fixing axle includes left fixed shaft and right fixed shaft, the left fixed shaft activity It is connected on third frame body, right fixed shaft is fixed on third frame body, formation activity formation plate on left fixed shaft, on right fixed shaft Fixed formation plate is formed, movable formation plate is slightly longer than fixed formation plate, and movable formation plate and fixed formation plate connect in " y " type It connects, one end of tension spring is connected on right fixed shaft, and the other end of tension spring is connected to the outside of movable formation plate.

Above-mentioned right fixed shaft and fixed formation plate are kept fixed, and under tension spring effect, movable formation plate is revolved around left fixed shaft Turn, fit closely movable formation plate and fixed formation plate, allow woven bag cloth by movable formation plate and fixed formation plate it Between gap continue to keep smooth to carry out overlay film.

This practical number for being further arranged to tension spring is two, and two tension springs are symmetricly set on the two sides of right fixed shaft.

Above-mentioned two tension spring, which is symmetrical arranged, makes uniform force between movable formation plate and fixed formation plate, makes woven bag cloth Planarization effects more preferably.

This practical rubber cylinder that is further arranged to includes the first rubber cylinder and the second rubber cylinder, and steel needle roller includes First steel needle roller and the second steel needle roller, first rubber cylinder are arranged below the first steel needle roller, the rolling of the second rubber Cylinder is arranged above the second steel needle roller.

Above-mentioned two groups of rubber cylinders and the opposite setting of steel needle roller can carry out two-sided punching to coated knitted bag.

This practical length for being further arranged to steel needle is slightly shorter than the thickness of rubber thin-bed, and rubber thin-bed is using poly- ammonia Ester material.

Above-mentioned steel needle is shorter in length than rubber thin-bed thickness, steel needle without Method penetrates rubber thin-bed, protects between rubber cylinder, steel needle roller not by breakage, extends service using life, the rubber of polyurethane Glue cylinder has good quality, using safe, high weight bearing, long service life the advantages of, meet the requirement of woven bag punching.

Detailed description of the invention

Fig. 1 is the utility model embodiment structural schematic diagram.

Fig. 2 is the utility model embodiment synchronized tracking corona cleaning device structural schematic diagram.

Fig. 3 is the utility model embodiment synchronized tracking corona cleaning device main view.

Fig. 4 is the utility model embodiment synchronized tracking corona cleaning device structural schematic diagram.

Fig. 5 is the utility model embodiment synchronized tracking corona cleaning device main view.

Fig. 6 is the utility model embodiment synchronized tracking corona cleaning device functional-block diagram.

Fig. 7 is the utility model embodiment structure of dust collector schematic diagram.

Fig. 8 is the utility model embodiment base fabric thermostat structural schematic diagram.

Fig. 9 is the utility model embodiment base fabric thermostat top view.

Figure 10 is the smooth processing device structure diagram of the utility model embodiment cloth cover.

Figure 11 is the smooth processing unit partial front elevation view of the utility model embodiment cloth cover.

Figure 12 is the smooth processing unit partial perspective view of the utility model embodiment cloth cover.

Figure 13 is the utility model embodiment precise synchronization perforating device partial schematic diagram.

Figure 14 is the utility model embodiment precise synchronization perforating device structural schematic diagram.

Figure 15 is the enlarged drawing of A in the utility model embodiment Figure 13.

Figure 16 is the utility model embodiment constant tension apparatus structure schematic diagram.

Specific embodiment

As shown in Fig. 1,2,8,10,14,16, the utility model is a kind of woven bag equipment for coating film, including constant tension dress 1, synchronized tracking corona cleaning device 2, base fabric thermostat 3, the smooth processing unit 4 of cloth cover, precise synchronization perforating device 5 are set, It is smooth that the woven bag successively passes through constant tension device 1, synchronized tracking corona cleaning device 2, base fabric thermostat 3, cloth cover Processing unit 4, precise synchronization perforating device 5 are handled, and the synchronized tracking corona cleaning device 2 includes 21 He of the first frame body Power supply 28, dust catcher 22, upper roller 23, bottom roll 24, corona washer 25 in first frame body 21, the first are set 21 two sides of body are respectively formed feed inlet 211 and discharge port 212, and upper roller 23 and bottom roll 24 are connected to the first frame body 21 Interior, the top of upper roller 23 and the lower section of bottom roll 24 are both provided with corona washer 25, the power supply 28 and corona washer 25 electrical connections, power supply 28 are electrically connected with dust catcher 22, and the side of discharge port 212, the base fabric constant temperature dress is arranged in dust catcher 22 3 heating tank 32, the control cabinets 33 frame body 31 and be arranged in the second frame body 31 including second are set, heating tank 32 includes upper heating tank 321 and lower heating tank 322, upper heating tank 321 and the setting of lower 322 horizontal symmetrical of heating tank, upper heating tank 321 and lower heating tank It is formed between 322 and heats channel 323, be both provided with multiple heating tubes 324 in the upper heating tank 321 and in lower heating tank 322, Heating tube 324 is equably horizontally arranged, and being all full of around heating tube 324 has thermal insulation material 325, heating tube 324 and control cabinet 33 Electrical connection, the smooth processing unit 4 of cloth cover include third frame body 41 and two laminating machine films being arranged in third frame body 41 First 42, two laminating machine press mold rollers 43, described two laminating machine film heads 42 are symmetricly set on top two sides, two laminating machine pressures Membrane cylinder 43 is symmetricly set on lower part two sides and mutually touches, and the precise synchronization perforating device 5 includes the 4th frame body 51 and lives Dynamic rubber cylinder 52, the steel needle roller 53 being connected in the 4th frame body 51,52 surface of rubber cylinder forms round and smooth rubber Thin layer 521,53 surface of steel needle roller form equally distributed steel needle 531, and rubber cylinder 52 and steel needle roller 53 pass through steel needle 531 Connection with rubber thin-bed 521, which is formed, to link, and the distance between the rubber cylinder 52 and steel needle roller 53 are adjustable, the tension 211 side of feed inlet of synchronized tracking corona cleaning device 2 is arranged in constant device 1, and the constant tension device 1 includes the 5th Frame body 11 and the first roller 12, second tin roller 13, the third roller 14 being connected in the 5th frame body 11,12 He of the first roller Third roller 14 is symmetricly set on the intracorporal top two sides of the 5th frame, and the middle part in the 5th frame body 11 is arranged in second tin roller 13, The lower section of the second tin roller 13 is provided with cylinder 15, the mandril face second tin roller 13 of the cylinder 15.

As shown in Fig. 2,3,6, synchronized tracking corona cleaning device 2 further includes processor 26 and tachymeter 27, the processing Device 26 is electrically connected with tachymeter 27, and corona washer 25 is electrically connected with processor 26, roller 23 in 27 face of tachymeter, power supply 28 Output end be separately connected the input terminal of corona washer 25 and the input terminal of dust catcher 22, the output end junction of tachymeter 27 Manage the input terminal of device 26, the input terminal of the output end connection corona washer 25 of processor 26.

As shown in fig. 7, dust catcher 22 includes dust absorption fan 221 and sweep-up pipe 222, the air inlet of the dust absorption fan 221 It is connect with sweep-up pipe 222, forms one section of narrow suction inlet 2221 on sweep-up pipe 222, suction inlet 2221 is close to discharge port 212.

As shown in FIG. 8 and 9, base fabric thermostat 3 further includes tracking and temperature testing probe 34, roll left cylinder 35 and right roller 36, with Track temperature probe 34 is electrically connected with control cabinet 33, described to roll left cylinder 35 and right roller 36 is symmetrically arranged at heating channel 323 Two sides, the tracking and temperature testing pops one's head in the right roller 36 of 34 faces.

As shown in Figure 10,11,12, the smooth processing unit 4 of cloth cover further includes fixing axle 44, tension spring 45, the fixing axle 44 It is arranged among laminating machine film head 42 and laminating machine press mold roller 43, fixing axle 44 includes left fixed shaft 441 and right fixed shaft 442, the left fixed shaft 441 is movably connected on third frame body 41, and right fixed shaft 442 is fixed on third frame body 41, Zuo Gu Formation activity formation plate 46 on dead axle 441, forms fixed formation plate 47 on right fixed shaft 442, and movable formation plate 46 is slightly longer than Fixed formation plate 47, movable formation plate 46 are connect with fixed formation plate 47 in " y " type, and one end of tension spring 45 is connected to right fixed shaft On 442, the other end of tension spring 45 is connected to the outside of movable formation plate 46, and the number of tension spring 45 is two, and two tension springs 45 are right Claim the two sides that right fixed shaft 442 is set.

As shown in Figure 13,14,15, rubber cylinder 52 includes the first rubber cylinder 522 and the second rubber cylinder 523, steel needle Roller 53 includes the first steel needle roller 532 and the second steel needle roller 533, and first rubber cylinder 522 is arranged in the first steel needle 532 lower section of roller, the second rubber cylinder 523 are arranged above the second steel needle roller 533, and the length of steel needle 531 is slightly shorter than rubber The thickness of thin layer 521, rubber thin-bed 521 is using polyurethane material.

In addition to the above implementation exceptions, tachymeter 27 has another plan of establishment: as shown in Figure 4,5, under 27 face of tachymeter Roller 24.

According to above embodiments, the workflow of the utility model woven bag equipment for coating film is as follows:

Step 1: woven bag cloth is first fed since constant tension device, woven bag cloth successively pass through the first roller, The transmission of " V " type is carried out on second tin roller, third roller, the mandril of cylinder slightly resists the woven bag cloth by second tin roller, Enable woven bag cloth spread apart and keeps certain tension；

Step 2: the woven bag cloth for obtaining tension enters synchronized tracking corona cleaning device, woven bag cloth is by upper Roller and bottom roll realize transmission, and the corona washer below corona washer and bottom roll above upper roller is according to tachymeter The woven bag cloth movement speed of feedback issues the ultrasonic wave of suitable frequency to the positive and negative of woven bag cloth respectively, makes to exist Dust in woven bag cloth is attached to surface because of high-frequency vibration, and dust catcher adsorbs the dust of woven bag design on fabric surface, improves The adhesion strength of woven bag design on fabric surface；

Step 3: the woven bag cloth after dust removal enters base fabric thermostat, woven bag cloth is carried out by left and right roller Transmission, control cabinet is popped one's head according to tracking and temperature testing feeds back the temperature of the woven bag cloth of discharging, to control upper heating tank and lower heating Slot carries out Double-side Heating to woven bag cloth, and woven bag cloth is allowed to reach suitable coated temperature；

Step 4: the woven bag cloth heated enters the smooth processing unit of cloth cover, woven bag cloth is smooth by activity Gap between plate and fixed formation plate continues to keep smooth, and laminating machine film head drenches overlay film raw material hot-melt extruded at one whole film To laminating machine press mold roller, laminating machine press mold roller carries out rolling to woven bag cloth and carries out overlay film；

Step 5: the woven bag cloth after overlay film is good enters precise synchronization perforating device, woven bag cloth is respectively first Transmission carries out two-sided punching between the second rubber cylinder, steel needle roller between rubber cylinder, steel needle roller, and rubber thin-bed can be protected Card punched hole is woven bag cloth that is qualified, finally discharging after obtaining overlay film punching.

Claims (9)

1. a kind of woven bag equipment for coating film, it is characterised in that: including synchronized tracking corona cleaning device, base fabric thermostat, cloth The smooth processing unit in face, precise synchronization perforating device, it is permanent that the woven bag successively passes through synchronized tracking corona cleaning device, base fabric The smooth processing unit of warm device, cloth cover, precise synchronization perforating device are handled,

The synchronized tracking corona cleaning device includes the first frame body and is arranged in the intracorporal power supply of first, dust catcher, upper rolling Cylinder, bottom roll, corona washer, first frame body two sides are respectively formed inlet port and outlet port, upper roller and bottom roll point It is not connected in first body, corona washer, the power supply and electricity is both provided with below the top of upper roller and bottom roll Dizzy washer electrical connection, power supply are electrically connected with dust catcher, and the side of discharge port is arranged in dust catcher,

The base fabric thermostat includes the second frame body and is arranged in the intracorporal heating tank of the second frame, control cabinet, and heating tank includes Upper heating tank and lower heating tank, upper heating tank and the setting of lower heating tank horizontal symmetrical, form between upper heating tank and lower heating tank Channel is heated, is both provided with multiple heating tubes in the upper heating tank and in lower heating tank, heating tube is equably horizontally arranged, adds All being full of around heat pipe has thermal insulation material, and heating tube is electrically connected with control cabinet,

The smooth processing unit of cloth cover includes that third frame body and setting are covered in the intracorporal two laminating machine films head of third frame, two Film machine press mold roller, described two laminating machine film heads are symmetricly set on top two sides, and two laminating machine press mold rollers are symmetrical arranged It touches in lower part two sides and mutually,

The precise synchronization perforating device is including the 4th frame body and is movably connected in the intracorporal rubber cylinder of the 4th frame, steel needle rolling Cylinder, the rubber cylinder surface form round and smooth rubber thin-bed, and steel needle cylinder surface forms equally distributed steel needle, rubber cylinder It is formed and is linked by the connection of steel needle and rubber thin-bed with steel needle roller, the distance between the rubber cylinder and steel needle roller can It adjusts.

2. woven bag equipment for coating film according to claim 1, it is characterised in that: the woven bag equipment for coating film further includes The feed inlet side of synchronized tracking corona cleaning device, the constant tension dress is arranged in power constant device, constant tension device It sets including the 5th frame body and is connected to intracorporal first roller of the 5th frame, second tin roller, third roller, first roller and the Three rollers are symmetricly set on the intracorporal top two sides of the 5th frame, and second tin roller setting is at the 5th intracorporal middle part of frame, and described second Cylinder, the mandril face second tin roller of the cylinder are provided with below roller.

3. woven bag equipment for coating film according to claim 1 or 2, it is characterised in that: the synchronized tracking corona cleaning dress Setting further includes processor and tachymeter, and the processor is electrically connected with tachymeter, and corona washer is electrically connected with processor, is tested the speed Roller in instrument face, the output end of power supply are separately connected the input terminal of corona washer and the input terminal of dust catcher, tachymeter Output end connects the input terminal of processor, the input terminal of the output end connection corona washer of processor.

4. woven bag equipment for coating film according to claim 1 or 2, it is characterised in that: the dust catcher includes dust absorption fan And sweep-up pipe, the air inlet of the dust absorption fan are connect with sweep-up pipe, and one section of narrow suction inlet, suction inlet are formed on sweep-up pipe Close to discharge port.

5. woven bag equipment for coating film according to claim 1 or 2, it is characterised in that: the base fabric thermostat further includes Tracking and temperature testing probe, roll left cylinder and right roller, and tracking and temperature testing probe is electrically connected with control cabinet, cylinder and the right roller difference of rolling left It is symmetricly set on the two sides in heating channel, the tracking and temperature testing probe right roller of face.

6. woven bag equipment for coating film according to claim 1 or 2, it is characterised in that: the smooth processing unit of cloth cover is also Including fixing axle, tension spring, the fixing axle is arranged among laminating machine film head and laminating machine press mold roller, and fixing axle includes left solid Dead axle and right fixed shaft, the left fixed shaft are movably connected on third frame body, and right fixed shaft is fixed on third frame body, Zuo Gu Formation activity formation plate on dead axle, forms fixed formation plate on right fixed shaft, and movable formation plate is slightly longer than fixed formation plate, living Dynamic formation plate is connect with fixed formation plate in " y " type, and one end of tension spring is connected on right fixed shaft, and the other end of tension spring is connected to The outside of movable formation plate.

7. woven bag equipment for coating film according to claim 6, it is characterised in that: the number of the tension spring is two, two Tension spring is symmetricly set on the two sides of right fixed shaft.

8. woven bag equipment for coating film according to claim 1 or 2, it is characterised in that: the rubber cylinder includes the first rubber Glue cylinder and the second rubber cylinder, steel needle roller include the first steel needle roller and the second steel needle roller, first rubber cylinder It is arranged below the first steel needle roller, the second rubber cylinder is arranged above the second steel needle roller.

9. woven bag equipment for coating film according to claim 1 or 2, it is characterised in that: the length of the steel needle is slightly shorter than rubber The thickness of glue thin layer, rubber thin-bed is using polyurethane material.