阅读说明：本技术 一种生产设备、工艺及通过该生产设备生产的电梯曳引带 (Production equipment and process and elevator traction belt produced by production equipment ) 是由 方永清 薛艳妮 于 2020-06-12 设计创作，主要内容包括：本发明涉及电梯技术领域,尤其是涉及一种生产设备、工艺及通过该生产设备生产的电梯曳引带。一种生产设备,包括主动放线系统、汇线系统、预热系统、挤出机、压印装置、前吹干装置、热端尺寸检测装置、控制柜、温水冷却水槽、冷水水槽、储线装置、后吹干装置、冷端尺寸检测装置、牵引装置、喷墨打印机、切割装置、收卷线装置,所述的压印装置包括对应设置在曳引带的上下两侧的从动轮组、主动轮组、喷水嘴和加热器,所述的主动轮组和从动轮组之间通过钢带连接,两个钢带分别与曳引带的上下两侧接触。本发明既能保证生产效率,又能得到高精度的表面粗糙度和外观质量。(The invention relates to the technical field of elevators, in particular to production equipment and process and an elevator traction belt produced by the production equipment. 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 invention can not only ensure the production efficiency, but also obtain high-precision surface roughness and appearance quality.)

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. The production process of a production facility as claimed in any of claims 1 to 5, wherein the carriers are firstly paid off by an active paying-off system and then gathered by a gathering system, so that the carriers are gathered to be arranged in a horizontal equal height state from different widths and heights; preheating the bearing body by a preheating system; the preheated carrying body enters a machine head and a mouth mold on an extruder, and the material of the coating layer is heated and melted by a screw of the extruder and enters the machine head and the mouth mold; the bearing body is wrapped by the coating layer after leaving the mouth die, then the coating layer enters the impressing device, the upper surface of the coating layer is contacted with the upper steel strip, and the lower surface of the coating layer is contacted with the lower steel strip, so that the surface roughness and the thickness of the dragging belt can be controlled; after the dragging belt leaves the embossing device, the dragging belt passes through a front blowing-drying device, so that water drops on the surface of the dragging belt are dried; measuring the width of the dragging belt by a hot end size detection device; the traction belt passes through a warm water cooling water tank to be cooled by a warm water bath, and then passes through a cold water tank to be further cooled by a cold water bath, so that a completely solidified traction belt is obtained; then after the traction belt is dried by a drying device, measuring the width of the traction belt by a cold end size detection device, wherein the traction device is arranged behind the cold end size detection device, and the traction device is matched with the active pay-off system to enable the bearing body to keep corresponding tension; before entering the wire storage device, marks are printed on the surface of the traction belt through an ink-jet printer, a cutting device and a winding-up device are arranged behind the wire storage frame, and the wire storage device is used for providing operating time for changing a disk without stopping when the disk is cut and changed.

7. 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.

8. The elevator traction sheave of claim 7 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.

9. The elevator traction sheave of claim 7 wherein the coating comprises an opener-free coating, the carrier is disposed within the opener-free coating, and the opener-free coating is disposed on both the upper and lower surfaces of the opener-free coating.

10. The elevator traction belt as claimed in claim 7, 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.

Technical Field

The invention relates to the technical field of elevators, in particular to production equipment and process and an elevator traction belt produced by the production equipment.

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 invention mainly aims at the problem that the production efficiency and the surface quality of a traction belt cannot be ensured simultaneously by the existing production mode of the elevator traction belt, and provides production equipment and process which can ensure the production efficiency and obtain high-precision surface roughness and appearance quality, and the elevator traction belt produced by the production equipment.

The purpose of the invention 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 production process of the production equipment comprises the steps of firstly paying off the bearing bodies through the active paying-off system, and then converging the bearing bodies through the converging system, so that the bearing bodies are converged to a horizontal equal-height arrangement state from different widths and heights, and the intervals of the bearing bodies are the same; preheating the bearing body by a preheating system, wherein the preheating mode is that the bearing body 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 supporting body enters a machine head and a mouth mold on an extruder, and the material of the coating layer is heated and melted by an extruder screw after passing through a mixer, a stirrer and a material drying machine and enters the machine head and the mouth mold; the bearing body is wrapped by the coating layer after leaving the mouth die, the bearing body is in a horizontal strip shape, the upper surface and the lower surface of the bearing body are wide, the thickness of the bearing body is small, the surface of the bearing body is sticky and is not solidified and formed, then the coating layer enters the impressing device, 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 steel strip and the lower steel strip are parallel to each other, the distance between the upper steel strip and the lower steel; after the dragging belt leaves the embossing device, the dragging belt passes through a front blowing-drying device, so that water drops on the surface of the dragging belt are dried; measuring the width of the dragging belt by a hot end size detection device, so that the coating layer is still in an incomplete cooling state and can further shrink, and adjusting the gap size of the impressing device by comparing with empirical data; the dragging belt passes through a warm water cooling water tank to be cooled by a warm water bath, and then passes through a cold water tank to be further cooled by a cold water bath to obtain a completely solidified dragging belt, and the size of the dragging belt can not shrink again; then after the traction belt is dried by a drying device, measuring the width of the traction belt by a cold end size detection device, wherein the traction device is arranged behind the cold end size detection device, and the traction device is matched with the active pay-off system to enable the bearing body to keep corresponding tension; before entering the wire storage device, marks are printed on the surface of the traction belt through an ink-jet printer, a cutting device and a winding-up device are arranged behind the wire storage frame, the wire storage device is used for providing operation time for replacing a disc without stopping when the disc is cut and replaced, the length of the traction belt after production is finished can be measured through the meter counter, the traction belt can be cut off by the cutting device, and finally the traction belt after production and processing is collected through the winding-up device.

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 production equipment, the production process and the elevator traction belt produced by the production equipment have the following advantages: in the production process, the steel belt surface contact technology is added, so that the extrusion production efficiency is ensured, high-precision surface roughness and appearance quality can be obtained, the manufacturing cost of the traction belt is reduced, and the purchase cost of a user is also reduced.

Drawings

FIG. 1 is a schematic view of the structure of a production apparatus of the present invention.

FIG. 2 is a production process diagram of the present invention.

FIG. 3 is a schematic view showing the operation of the ring-shaped synchronous perforated steel strip according to the present invention.

FIG. 4 is a schematic view showing the operation of the open type synchronous perforated steel strip according to the present invention.

FIG. 5 is a schematic view showing the operation of the open type synchronous perforated steel strip in the initial operation state according to the present invention.

Fig. 6 is a schematic view showing a partial development of the steel strip of the present invention.

FIG. 7 is a schematic view of the structure of a ring-shaped synchronous perforated steel strip according to 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 scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.