CN212737154U - Production equipment and elevator traction belt produced by same - Google Patents
Production equipment and elevator traction belt produced by same Download PDFInfo
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- CN212737154U CN212737154U CN202021090952.4U CN202021090952U CN212737154U CN 212737154 U CN212737154 U CN 212737154U CN 202021090952 U CN202021090952 U CN 202021090952U CN 212737154 U CN212737154 U CN 212737154U
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Abstract
The utility model belongs to the technical field of the elevator technique and specifically relates to an elevator that production facility and produced through this production facility tows the area. The production equipment comprises a driving pay-off system, a line converging system, a preheating system, an extruder, an imprinting device, a front blow-drying device, a hot end size detection device, a control cabinet, a warm water cooling water tank, a cold water tank, a line storage device, a rear blow-drying device, a cold end size detection device, a traction device, an ink-jet printer, a cutting device and a winding device, wherein the imprinting device comprises a driven wheel set, a driving wheel set, a water nozzle and a heater which are correspondingly arranged on the upper side and the lower side of a dragging belt, the driving wheel set and the driven wheel set are connected through steel belts, and the two steel belts are respectively contacted with the upper side and the lower side of the dragging belt. The utility model discloses can guarantee production efficiency, can obtain roughness and appearance quality of high accuracy again.
Description
Technical Field
The utility model belongs to the technical field of the elevator technique and specifically relates to an elevator that production facility and produced through this production facility tows the area.
Background
With the progress of elevator science and technology, elevators are installed in more and more houses, and the elevators are in contact with people more and more, become mechanical products familiar to the public, and attract more and more manufacturers to produce elevator safety component traction belts.
The elevator dragging belt belongs to an opening belt, and is classified according to whether a bearing body passes through a machine head or not, two production modes are available in the industry at present, one production process adopts a transmission field synchronous belt, the bearing body of the dragging belt does not pass through an extrusion machine head, the elevator dragging belt has the advantages of good surface quality and low production efficiency, the other extrusion production mode adopts the cable industry, the bearing body passes through the machine head and is extruded out of a machine head opening mold in a co-extrusion mode with a coating layer, and the elevator dragging belt is formed after being extruded out of the machine head opening mold.
The existing production mode of the elevator traction belt can not ensure the production efficiency and the surface quality of the traction belt at the same time.
For example, Chinese patent publication numbers are: CN108861956A, announced in 2018, 11/23/h, a traction sheave for an elevator system, comprising a wrapping body extending along a longitudinal direction of the traction sheave, a plurality of sets of load bearing members extending along the longitudinal direction and arranged in parallel inside the wrapping body, and further comprising a member for displaying an operation state. The element for displaying the running state can be a filling layer which is embedded in the cladding body and is positioned between the bearing element and the outer surface of the cladding body; the outer wrapping layer can be wrapped outside the wrapping body; or both the filler layer and the outer wrap layer. The color of the filling layer is changed along with the change of the borne load, the vibration, the illumination intensity or the temperature, the coating body is made of transparent or semitransparent materials, or the magnetic field intensity of the filling layer is changed along with the change of the borne load, the vibration, the illumination intensity or the temperature, the running state of the traction belt can be accurately monitored in real time without depending on regular manual appearance inspection or professional traction belt performance fault monitoring instruments, but the production efficiency and the surface quality of the traction belt cannot be simultaneously guaranteed during production of the traction belt.
Disclosure of Invention
The utility model discloses mainly be to the production mode that current elevator tows the area can not guarantee the production efficiency and the problem of surface quality who tows the area simultaneously, provide one kind and can guarantee production efficiency, can obtain the production facility of roughness and appearance quality of high accuracy again and drag the area through the elevator of this production facility production.
The purpose of the utility model is mainly realized by the following scheme: the production equipment comprises a driving pay-off system, a line converging system, a preheating system, an extruder, an imprinting device, a front blow-drying device, a hot end size detection device, a control cabinet, a warm water cooling water tank, a cold water tank, a line storage device, a rear blow-drying device, a cold end size detection device, a traction device, an ink-jet printer, a cutting device and a winding device, wherein the imprinting device comprises a driven wheel set, a driving wheel set, a water nozzle and a heater which are correspondingly arranged on the upper side and the lower side of a dragging belt, the driving wheel set and the driven wheel set are connected through steel belts, and the two steel belts are respectively contacted with the upper side and the lower side of the dragging belt. The active pay-off system has 8 to 24 groups of wire coils to meet the specification requirement of the traction belt, and the production line further comprises: the line converging system, the preheating system and the extruding machines are arranged, one or two extruding machines can be arranged according to different designs of the dragging belt, a bearing body enters the head of the extruding machine along the horizontal direction, the bearing body is extruded out of a neck mold of the extruding machine along the horizontal direction after being co-extruded with the coating layer, and then the bearing body passes through a coining device, a front blow-drying device, a hot end size detection device, a control cabinet, a warm water cooling water tank, a wire storage device, a cold water tank, a wire storage device, a rear blow-drying device, a cold end size detection device, a traction device, a meter, an ink-jet printer, a cutting device and a winding device to finish production and processing under the combined action of the coining device, the front blow-drying device, the hot end size detection device, the hot end cooling water tank, the wire storage device, the cold water tank, the wire storage device, the rear blow-drying device, the cold end size detection device, the, the water temperature is set at 40-60 ℃, the heaters are arranged on the upper surface and the lower surface of the dragging belt, the temperature of the steel belt is kept, the temperature is set at 80-170 ℃, and the design of the imprinting device can adjust the surface roughness of the coating layer and ensure the appearance quality.
Preferably, the surface roughness of the steel strip above the traction belt is different from the surface roughness of the steel strip below the traction belt. The surface roughness of the two sides of the traction belt after the production is finished is correspondingly different.
Preferably, the surface roughness of the steel strip located above the traction belt is the same as the surface roughness of the steel strip located below the traction belt. The surface roughness of both sides of the trailing belt after the completion of the production is the same.
Preferably, the driven wheel set comprises two driven wheels, the driving wheel set comprises two driving wheels, one end of the steel belt is connected to one of the driving wheels, and the other end of the steel belt is connected to the other driving wheel. The driven wheel set comprises two driven wheels, the driving wheel set comprises two driving wheels, one end of the steel belt is connected with one driving wheel, the other end of the steel belt is connected with the other driving wheel, one of the driving wheels is a first driving wheel, the other driving wheel is a second driving wheel, the steel belt is an open type synchronous perforated steel belt, the impressing device is provided with 2 sets of opening type synchronous perforated steel belts to form an upper parallel surface and a lower parallel surface, the rotating speed of the driving wheel is connected with a production line control system to realize that the running speed of the horizontal section of the steel belt keeps synchronous with the extrusion speed of a production line, the driven wheel can be adjusted up and down to control the distance between the steel belts, the thickness of the dragging belt is adjusted, the steel belt reciprocates, needs to be stopped after moving to the head, reverses, moves in the same direction with the extrusion line, and the length of the steel belt is matched according to the length of the production line bearing body; when a certain amount of steel strips are produced in the production line, but the steel strips move to the second driving wheel in the capacity of the reel of the bearing body, the number of the steel strips on the first driving wheel is reduced, when the steel strips all move to the second driving wheel, the steel strips must be reversed once to be all moved to the first driving wheel, and the open type synchronous perforated steel strips are restored to the initial working state, so that the next production can be carried out.
Preferably, the steel strip is a perforated steel strip, a plurality of perforations are arranged on the perforated steel strip, and the driving wheel is provided with a protrusion which is matched with the perforations so that the running speed of the horizontal section of the steel strip keeps synchronous with the extrusion speed of a production line. The steel band is the perforation steel band, is provided with a plurality of perforation on the perforation steel band, thereby be provided with on the action wheel with perforate cooperate make the functioning speed of the horizontal segment of steel band with produce the protruding that line extrusion speed kept synchronization, this bellied interval and diameter and fenestrate hole interval and hole diameter match to can drive the steel band and carry out stable simultaneous movement.
The elevator traction belt produced by the production equipment comprises a coating layer, wherein a plurality of bearing bodies are arranged in the coating layer. The coating layer is made of elastic polyurethane, the supporting bodies are arranged at equal intervals, when the supporting bodies are made of steel cords, the supporting bodies are arranged in pairs clockwise and anticlockwise, the number of the supporting bodies is even, and 8 to 16 supporting bodies are usually arranged; when the supporting body is made of other materials, such as a carbon fiber belt, the section of the supporting body can be made into a rectangular section instead of a round section; the supporting body can also be made of Kevlar.
Preferably, the coating layer comprises a coating layer without an opening agent, the carrier is arranged in the coating layer without the opening agent, and the coating layer with the opening agent surrounds and coats the outer surface of the coating layer without the opening agent. The coating layer comprises a coating layer without an opening agent, the carrier is arranged in the coating layer without the opening agent, the coating layer with the opening agent surrounds and coats the outer surface of the coating layer without the opening agent, the opening agent can be inorganic type and organic type, inorganic type is talcum powder, diatomite or silicon dioxide, and the adding proportion is 2-10% by mass; the organic type comprises oleamide, erucamide, polyethylene wax and EBS derivatives, the adding proportion is 2-10% by mass percent, and when the drag belt is processed, a double extruder is required to be adopted for processing.
Preferably, the coating layer comprises a coating layer without an opening agent, the carrier is arranged in the coating layer without the opening agent, and the coating layer with the opening agent is arranged on the upper surface and the lower surface of the coating layer without the opening agent. The coating layer comprises a coating layer without an opening agent, the carrier is arranged in the coating layer without the opening agent, the coating layer with the opening agent is arranged on the upper surface and the lower surface of the coating layer without the opening agent, the opening agent can be inorganic type and organic type, the inorganic type comprises talcum powder, diatomite or silicon dioxide, and the adding proportion is 2-10% by mass; the organic type comprises oleamide, erucamide, polyethylene wax and EBS derivatives, the adding proportion is 2-10% by mass percent, and when the drag belt is processed, a double extruder is required to be adopted for processing.
Preferably, the coating layer comprises a coating layer containing an opening agent, the carrier is arranged in the coating layer containing the opening agent, and the outer surface of the carrier is coated with a release agent. The coating is including containing the opening agent coating, the supporting body setting is including containing the opening agent coating, it has the separant to coat on the surface of supporting body, at coating and supporting body contact part, it has the separant to coat on the supporting body in advance, keep apart including opening agent coating and supporting body, make and to contain opening agent coating and supporting body and keep suitable adhesion, the separant can adopt the bi-component adhesive, when adding to this kind of traction belt, only need adopt single extruder processing, production line cost has the advantage.
Therefore, the utility model discloses a production facility and through elevator traction belt of this production facility production possess following advantage: the utility model discloses in process of production, through increasing steel band face contact technique, both guaranteed to extrude production efficiency, can obtain high accuracy roughness and appearance quality again, reduced the manufacturing cost of dragging area, also reduced user purchase cost simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the production equipment of the present invention.
Fig. 2 is a production process diagram of the present invention.
Fig. 3 is a schematic view of the operation of the ring-shaped synchronous punching steel belt of the present invention.
Fig. 4 is a working schematic diagram of the middle-open type synchronous perforated steel belt of the present invention.
Fig. 5 is a schematic view of the middle-open type synchronous perforated steel belt in the initial working state.
Fig. 6 is a schematic partially expanded view of the steel belt of the present invention.
Fig. 7 is a schematic structural view of the middle ring type synchronous perforated steel belt of the present invention.
Fig. 8 is a sectional view of an elevator traction belt in embodiment 3.
Fig. 9 is a sectional view of an elevator traction belt in embodiment 4.
Fig. 10 is a sectional view of an elevator traction belt in embodiment 5.
Figure 11 is an enlarged cross-sectional view of the carrier of figure 10.
Illustration of the drawings: 1-active pay-off system, 2-collection system, 3-preheating system, 4-extruder, 5-impression device, 6-front blow-dry device, 7-hot end size detection device, 8-control cabinet, 9-warm water cooling tank, 10-wire storage device bracket, 11-cold water tank, 12-wire storage device, 13-rear blow-dry device, 14-cold end size detection device, 15-traction device, 16-meter counter, 17-ink-jet printer, 18-cutting device, 19-winding device, 20-driving wheel, 21-steel belt, 21A-annular synchronous perforated steel belt, 21B-open type synchronous perforated steel belt, 22-driven wheel, 23-water nozzle, 24-heater, 25-impression contact surface, 26-perforation, 27-first driving wheel, 28-second driving wheel, 29-tension wheel, 30-traction belt, 31-coating layer containing opening agent, 32-coating layer without opening agent, 33-bearing body, 34-upper contact surface, 35-lower contact surface and 36-isolating agent.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 and 2, a production apparatus comprises a driving pay-off system 1, a converging system 2, a preheating system 3, an extruder 4, a stamping device 5, a front blow-drying device 6, a hot end dimension detection device 7, a control cabinet 8, a warm water cooling water tank 9, a cold water tank 11, a wire storage device 12, a rear blow-drying device 13, a cold end dimension detection device 14, a traction device 15, an ink-jet printer 17, a cutting device 19 and a take-up wire device 19, wherein the stamping device 5 comprises driven wheel sets, driving wheel sets, water nozzles 23 and heaters 24 which are correspondingly arranged on the upper side and the lower side of a drag belt 30, the driving wheel sets and the driven wheel sets are connected through steel belts 21, the two steel belts 21 are respectively contacted with the upper side and the lower side of the drag belt 30, the steel belt 21 above the drag belt 30 is contacted with an upper contact surface 34 of the drag belt 30, the steel belt 21 below the drag belt 30 is contacted with a lower contact surface 35, the active pay-off system 1 has 8 to 24 groups of coils to meet the specification requirements of the traction tape 30, and the production line further includes: the converging system 2, the preheating system 3 and the extruding machine 4, wherein one or two extruding machines 4 can be arranged on the extruding machine 4 according to different design of a dragging belt, a supporting body 33 enters the head of the extruding machine 4 along the horizontal direction, the extruding machine 4 and a coating layer are co-extruded to form a die of the extruding machine 4 along the horizontal direction, then the die passes through the coining device 5, the front blow-drying device 6, the hot end size detection device 7, the control cabinet 8, the warm water cooling water tank 9, the wire storage device support 10, the cold water tank 11, the wire storage device 12, the rear blow-drying device 13, the cold end size detection device 14, the traction device 15, the meter 16, the ink-jet printer 17, the cutting device 19 and the winding device 19 to complete production and processing under the combined action, the production efficiency is high, wherein the surface roughness of the steel strip selects different standards according to the requirement of the dragging belt, a water nozzle 23 is arranged at the inlet of the dragging belt, and the water nozzle 23 can adopt the design of, the dragging belt and the steel belt are separated, the water temperature is set to be 40-60 ℃, the heaters 24 are arranged on the upper surface and the lower surface of the dragging belt, the temperature of the steel belt is kept, the temperature is set to be 80-170 ℃, the surface roughness of the coating layer can be adjusted through the design of the stamping device 5, and the appearance quality is guaranteed.
As shown in fig. 3 and 7, the driven wheel set includes two driven wheels 22, the driving wheel set includes a driving wheel 20, the steel belt is a ring-shaped synchronous perforated steel belt 21A, the imprinting device 5 is provided with 2 rings of ring-shaped synchronous perforated steel belt 21A, the ring-shaped synchronous perforated steel belt 21A performs a circular reciprocating motion to form an upper parallel surface and a lower parallel surface, the rotating speed of the driving wheel 20 is connected with a production line control system, the running speed of the horizontal section of the steel belt is kept synchronous with the extrusion speed of the production line, the driven wheels 22 can be adjusted up and down to control the distance between the steel belts, and thus the thickness of the dragging belt is.
The tension device further comprises a tension wheel 29 used for keeping the horizontal section of the steel belt in a tension state, wherein the tension wheel 29 is installed on the side face of the steel belt and can keep the horizontal part of the steel belt in a horizontal state all the time, and therefore production quality is guaranteed.
Fig. 6 is a schematic view of the steel strip according to the present invention partially developed, the middle portion of the steel strip is the stamping contact surface 25, different roughness can be set, and the roughness can be reverse-printed on the surface of the traction belt, thereby obtaining the surface roughness required by design, the width of the stamping contact surface 25 is W1, the W1 value is matched with the required traction belt, the width of the whole perforated steel strip is W, both sides are perforated, the size of the perforations is 3mm-8mm and the distance is 15mm-40mm, the thickness of the steel strip is 0.5mm-2mm, the surface roughness of the steel strip is set at 0.5-3.0Ra, thereby obtaining the surface roughness of the traction belt set at 0.5-3.0 Ra.
When the surface roughness of the steel strip above the traction belt is different from the surface roughness of the steel strip below the traction belt, the surface roughness of both sides of the traction belt after production is correspondingly different.
When the surface roughness of the steel strip above the traction belt is the same as the surface roughness of the steel strip below the traction belt, the surface roughness of both sides of the traction belt after production is the same.
Firstly, paying off the carrier 33 by the active paying-off system 1, and then gathering the carrier 33 by the gathering system 2, so that the carrier 33 is gathered to be in a horizontal equal-height arrangement state from different widths and heights, and the intervals of the carrier 33 are the same; then the carrier 33 is preheated by the preheating system 3, the preheating mode is that the carrier is heated by an electric heating oven when the speed is low, and gas is adopted for combustion when the speed is high; the preheated carrying body 33 enters a machine head and a mouth mold on the extruder 4, and the material of the coating layer is heated and melted by a screw of the extruder 4 after passing through a mixer, a stirrer and a material drying machine and enters the machine head and the mouth mold; the bearing body 33 is wrapped by the coating layer after leaving the mouth die, is in a horizontal strip shape, has wide upper and lower surfaces and small thickness, but has a sticky surface which is not solidified and formed, then the coating layer enters the impressing device 5, the upper surface of the coating layer is contacted with the upper steel strip, the lower surface of the coating layer is contacted with the lower steel strip, the upper and lower steel strip surfaces are mutually parallel, and the distance is adjustable, so that the surface roughness and the thickness of the dragging belt can be controlled; after leaving the imprinting device 5, the dragging belt passes through a front blow-drying device 6, so that the water drops on the surface are dried; the width of the dragging tape is measured by a hot end size detection device 7, so that the coating layer is still in an incomplete cooling state and can further shrink, and the gap size of the imprinting device 5 is adjusted by comparing with empirical data; the traction belt passes through a warm water cooling water tank 9 to be cooled by a warm water bath, and then passes through a cold water tank 11 to be further cooled by a cold water bath, so that the traction belt which is completely solidified is obtained, and the size of the traction belt can not shrink; then after the traction belt passes through the drying function of the rear drying device 13, the width of the traction belt is measured through the cold end size detection device 14, the traction device 15 is arranged behind the cold end size detection device 14, and the traction device 15 is matched with the active pay-off system 1 to enable the supporting body 33 to keep corresponding tension; before entering the wire storage device 12, marks are printed on the surface of the traction belt through the ink-jet printer 17, the cutting device 19 and the winding-up device 19 are arranged behind the wire storage frame, the wire storage device 12 is used for providing operation time for changing the traction belt without stopping the machine when the traction belt is cut and changed, the length of the traction belt after production is measured by the meter 16, the traction belt can be cut off by the cutting device 19, and finally the traction belt after production and processing is collected through the winding-up device 19.
The elevator traction belt produced by the production equipment comprises a coating layer, wherein a plurality of supporting bodies 33 are arranged in the coating layer, the coating layer is made of elastic polyurethane, the supporting bodies 33 are arranged at equal intervals, when the supporting bodies 33 are made of steel cords, clockwise and anticlockwise paired arrangement is adopted, the number of the supporting bodies 33 is even, and generally 8 to 16 supporting bodies are arranged; when the supporting body 33 is made of other materials, such as carbon fiber tape, the cross section of the supporting body 33 can be made into a rectangular cross section instead of a circular cross section; the carrier 33 may also be made of kevlar.
Example 2:
as shown in fig. 4, the driven wheel set includes two driven wheels 22, the driving wheel set includes two driving wheels 20, one end of the steel belt is connected to one of the driving wheels 20, the other end of the steel belt is connected to the other driving wheel 20, one of the driving wheels 20 is a first driving wheel 27, the other driving wheel 20 is a second driving wheel 28, the steel belt is an open type synchronous perforated steel belt 21B, the imprinting device 5 is provided with 2 sets of open type synchronous perforated steel belts 21B to form an upper parallel surface and a lower parallel surface, the rotating speed of the driving wheels 20 is connected with a production line control system to achieve the synchronization of the operating speed of the horizontal section of the steel belt and the production line extrusion speed, the driven wheels 22 can be adjusted up and down to control the distance between the steel belts, so as to adjust the thickness of the dragging belt, the steel belt reciprocates, needs to be stopped after moving to the head, the length of the steel strip is matched according to the length of the production line bearing body 33; when a certain amount of steel strip is produced in the production line, but the capacity of the reel of the carrier 33 is still maintained, the steel strip moves to the second driving wheel 28, the amount of the steel strip on the first driving wheel 27 is reduced, and when the steel strip completely reaches the second driving wheel 28, a reverse operation is required to make the steel strip completely reach the first driving wheel 27, so that the open type synchronous perforated steel strip 21B is restored to the initial working state, and the next production can be carried out.
Example 3:
as shown in fig. 8, the coating layer includes an opening agent-free coating layer 32, a carrier 33 is disposed in the opening agent-free coating layer 32, an opening agent-containing coating layer 31 surrounds the outer surface of the opening agent-free coating layer 32, the opening agent can be inorganic type and organic type, the inorganic type includes talc powder, diatomaceous earth or silica, and the addition ratio is 2-10% by mass; the organic type comprises oleamide, erucamide, polyethylene wax and EBS derivatives, the adding proportion is 2-10% by mass percent, and when the drag belt is processed, a double extruder 4 is needed for processing.
Example 4:
as shown in fig. 9, the coating layer includes an opening agent-free coating layer 32, a carrier 33 is disposed in the opening agent-free coating layer 32, opening agent-containing coating layers 31 are disposed on both upper and lower surfaces of the opening agent-free coating layer 32, the opening agent may be inorganic type or organic type, and the inorganic type includes talc powder, diatomaceous earth or silica, and the addition ratio is 2-10% by mass; the organic type comprises oleamide, erucamide, polyethylene wax and EBS derivatives, the adding proportion is 2-10% by mass percent, and when the drag belt is processed, a double extruder 4 is needed for processing.
Example 5:
as shown in fig. 10 and 11, the coating layer includes a coating layer 31 containing an opening agent, a carrier 33 is arranged in the coating layer 31 containing the opening agent, a release agent 36 is coated on the outer surface of the carrier 33, the release agent 36 is coated on the carrier 33 in advance at the contact part of the coating layer and the carrier 33, the coating layer 31 containing the opening agent is separated from the carrier 33, so that the coating layer 31 containing the opening agent and the carrier 33 maintain proper adhesion, the release agent 36 can adopt a two-component adhesive, and when the traction belt is processed, only a single extruder 4 is needed for processing, so that the production line cost is advantageous.
It should be understood that this example is for illustrative purposes only and is not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
Claims (9)
1. A production device comprises a driving pay-off system, a line converging system, a preheating system, an extruder, an imprinting device, a front blow-drying device, a hot end size detection device, a control cabinet, a warm water cooling water tank, a cold water tank, a line storage device, a rear blow-drying device, a cold end size detection device, a traction device, an ink-jet printer, a cutting device and a winding device.
2. A production plant as claimed in claim 1, characterized in that the surface roughness of the steel strip situated above the traction belt is different from the surface roughness of the steel strip situated below the traction belt.
3. A production plant as claimed in claim 1, characterized in that the surface roughness of the steel strip situated above the traction belt is the same as the surface roughness of the steel strip situated below the traction belt.
4. A production apparatus as claimed in claim 1, wherein said driven wheel set includes two driven wheels, said driving wheel set includes two driving wheels, one end of said steel belt is connected to one of the driving wheels, and the other end of said steel belt is connected to the other driving wheel.
5. A production facility according to claim 1, 2, 3 or 4, wherein the steel belt is a perforated steel belt, the perforated steel belt is provided with a plurality of perforations, and the driving wheel is provided with protrusions which are matched with the perforations so that the running speed of the horizontal section of the steel belt is synchronous with the extrusion speed of the production line.
6. An elevator traction belt produced by the production apparatus of any one of claims 1 to 5, comprising a coating layer in which a plurality of supporting bodies are disposed.
7. The elevator traction sheave of claim 6 wherein the coating comprises an opener-free coating, the carrier is disposed within the opener-free coating, and the outer surface of the opener-free coating is surrounded by the opener-containing coating.
8. The elevator traction belt according to claim 6, wherein the coating layer comprises an opening agent-free coating layer, the carrier is disposed in the opening agent-free coating layer, and the opening agent-free coating layer is disposed on both an upper surface and a lower surface of the opening agent-free coating layer.
9. The elevator traction belt as claimed in claim 6, wherein said coating comprises an opening agent-containing coating, said carrier is disposed within said opening agent-containing coating, and a release agent is coated on an outer surface of said carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021090952.4U CN212737154U (en) | 2020-06-12 | 2020-06-12 | Production equipment and elevator traction belt produced by same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021090952.4U CN212737154U (en) | 2020-06-12 | 2020-06-12 | Production equipment and elevator traction belt produced by same |
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| CN212737154U true CN212737154U (en) | 2021-03-19 |
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| CN202021090952.4U Active CN212737154U (en) | 2020-06-12 | 2020-06-12 | Production equipment and elevator traction belt produced by same |
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| CN (1) | CN212737154U (en) |
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- 2020-06-12 CN CN202021090952.4U patent/CN212737154U/en active Active
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