CN214455686U

CN214455686U - Active unwinding equipment

Info

Publication number: CN214455686U
Application number: CN202022704197.0U
Authority: CN
Inventors: 汪家伟; 张维波; 魏任生; 欧美秀
Original assignee: Shenzhen Woer Heat Shrinkable Material Co Ltd
Current assignee: Shenzhen Woer Heat Shrinkable Material Co Ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-10-22
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses an active unreeling device, which comprises a frame, a rotary supporting mechanism, an unreeling disc, a driving mechanism and a tension control mechanism; the rotary supporting mechanism comprises a first rotating piece and a second rotating piece which are used for supporting the unwinding disc, and the first rotating piece and the second rotating piece are arranged on the rack and are mutually spaced; the driving mechanism is used for driving the first rotating piece and the second rotating piece to rotate so as to drive the unwinding disc to rotate; the tension control mechanism comprises a position detector, the position detector is used for detecting the height position of the unreeling of the pipe or the wire, and the output rotating speed of the driving mechanism is adjusted according to the height position of the unreeling. The utility model discloses a first rotating member supports and drives with the second rotating member and unreels the dish and rotate and initiatively unreel, detects the high position who unreels through the position detector, adjusts actuating mechanism's output rotational speed, makes the pull rate that unreels speed and lower process match, avoids product tensile deformation, guarantees product quality.

Description

Active unwinding equipment

[ technical field ] A method for producing a semiconductor device

The utility model relates to a plastics tubular product or wire rod production facility technical field especially relates to an initiative unwinding equipment.

[ background of the invention ]

In the continuous batch production process of products such as pipes, wires and the like, the transfer of the products is often involved between the previous process and the next process, and the products are mainly transferred in two modes at present, wherein one mode is that the products are coiled and stacked in containers such as material frames or material barrels, and the other mode is that the products are wound on wire coils. For example, in the production and processing of the heat-shrinkable tubing, the upper tray is extruded through the previous process, then the upper tray is unreeled for irradiation processing, and then the upper tray is unreeled for expansion process after being reeled, and finally the upper tray is reeled and packaged through the paper tray.

When the container is transported in a container turnover mode, products are continuously led out from the container to enter the next procedure for processing, the products are easy to tie off, the stretching or production interruption of the products is caused, and the quality of the products is unstable. The mode that adopts the drum transports, and the advantage of unreeling for the container can not make the product appear tying the phenomenon, but when drawing the product from the drum and getting into next process unwrapping wire, generally unreel passively through wire rod pulling drum, unreel the in-process and make the wire rod produce tensile deformation very easily, and the circumferencial direction focus of drum itself is unbalanced for the pulling force of wire rod pulling drum is unstable, further causes the tensile deformation of axial unstability to the wire rod, influences product quality.

In view of the above, it is desirable to provide an active unwinding apparatus to overcome the above drawbacks.

[ Utility model ] content

The utility model aims at providing an initiative unwinding equipment can adjust unwinding speed according to process traction speed down, guarantees product quality.

In order to achieve the purpose, the utility model provides an active unwinding device, which comprises a frame, a rotary supporting mechanism, an unwinding disc, a driving mechanism and a tension control mechanism; the unwinding disc can be used for unwinding a pipe or a wire, the rotary supporting mechanism comprises a first rotary piece and a second rotary piece which are used for supporting the unwinding disc, and the first rotary piece and the second rotary piece are arranged on the rack and are spaced from each other; the driving mechanism is used for driving the first rotating piece and the second rotating piece to rotate so as to drive the unwinding disc to rotate; the tension control mechanism comprises a position detector, the position detector is used for detecting the height position of the unreeled pipe or wire, and the output rotating speed of the driving mechanism is adjusted according to the height position of the unreeled pipe or wire.

In a preferred embodiment, the driving mechanism comprises a driving motor and a driving chain wheel, and an output shaft of the driving motor is connected with the driving chain wheel for transmission; first rotating member includes first rotation axis and is fixed in the double sprocket of first rotation axis one end, the second rotating member includes the second rotation axis and is fixed in the driven sprocket of second rotation axis one end, double sprocket includes inboard sprocket and outside sprocket, driving sprocket passes through first chain drive inboard sprocket synchronous rotation, outside sprocket passes through the second chain drive driven sprocket synchronous rotation.

In a preferred embodiment, unreel the dish including roll up the core and connect in the disc at the both ends of roll up the core, all be equipped with transmission rubber coating roller on first rotating member and the second rotating member, transmission rubber coating roller with the disc contact cooperation.

In a preferred embodiment, the transmission rubber covered roller is connected with the first rotating shaft or the second rotating shaft through a key bar, and two ends of the first rotating shaft and two ends of the second rotating shaft are arranged on the frame through a bearing with a seat.

In a preferred embodiment, the keybar is provided with a plurality of screw holes, and the transmission rubber covered roller is limited on the first rotating shaft or the second rotating shaft by penetrating through the screw holes through a threaded fastener.

In a preferred embodiment, the position detector and the driving mechanism are connected to a controller, the position detector outputs corresponding preset potentials according to different detected heights of the pipe or the wire, and the controller adjusts the unwinding speed of the driving mechanism according to a preset potential output signal.

In a preferred embodiment, the position detector includes a plurality of sets of laser transmitters and laser receivers, and the pipe or wire unreeled through the unreeling reel passes through between the laser transmitters and the laser receivers.

In a preferred embodiment, the rack includes a bottom frame and a vertical frame fixed on the bottom frame, and the vertical frame is provided with an operation box for accommodating the controller.

In a preferred embodiment, the tension control mechanism is fixed on one side of the base frame, a feeding plate is arranged on one side of the base frame away from the tension control mechanism, the feeding plate is arranged obliquely, and wear-resistant pieces are arranged on the feeding plate.

The beneficial effects of the utility model reside in that: the unwinding disc is supported and driven to rotate by the first rotating part and the second rotating part to actively unwind, the structure is simple, the unwinding disc does not need to be pulled by a pipe or a wire, and the phenomenon of unstable tension is avoided; and the position detector is arranged to detect the height position of the unreeling, so that the output rotating speed of the driving mechanism is further adjusted, the active unreeling speed is matched with the traction speed of the next process, the product is prevented from tensile deformation, and the product quality is effectively ensured.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a front view of an active unwinding apparatus according to a preferred embodiment of the present invention;

fig. 2 is a top view of an active unwinding apparatus according to a preferred embodiment of the present invention;

fig. 3 is a perspective view of the active unwinding device according to the preferred embodiment of the present invention.

The reference numbers illustrate: the device comprises a frame 10, a bottom frame 11, a vertical frame 12, an operation box 13, a rotary supporting mechanism 20, a first rotating member 21, a first rotating shaft 211, a double-row sprocket 212, an inner-side sprocket 2121, an outer-side sprocket 2122, a second rotating member 22, a second rotating shaft 221, a driven sprocket 222, a transmission rubber covered roller 23, a key strip 24, a screw hole 241, a belt seat bearing 25, an unwinding disc 30, a winding core 31, a disc 32, a driving mechanism 40, a driving motor 41, a bottom plate 411, a driving sprocket 42, a first chain 43, a second chain 44, a protective cover 45, a tension control mechanism 50, a position detector 51, a guide shaft 52, a guide wheel 53, a feeding plate 54 and a wear-resistant sheet 541.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantageous technical effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration only and not by way of limitation.

Referring to fig. 1 to 3, an active unwinding apparatus according to an embodiment of the present invention includes a frame 10, a rotary supporting mechanism 20, an unwinding disc 30, a driving mechanism 40, and a tension control mechanism 50. The unwinding disc 30 can be used for placing a pipe or a wire to unwind, the rotary supporting mechanism 20 includes a first rotating member 21 and a second rotating member 22 for supporting the unwinding disc 30, and the first rotating member 21 and the second rotating member 22 are disposed on the frame 10 and spaced apart from each other. The driving mechanism 40 is used for driving the first rotating member 21 and the second rotating member 22 to rotate so as to drive the unwinding disc 30 to rotate; the tension control mechanism 50 comprises a position detector 51, the position detector 51 is used for detecting the height position of the unreeled pipe or wire, and the output rotating speed of the driving mechanism 40 is adjusted according to the height position of the unreeled pipe or wire.

Specifically, the driving mechanism 40 includes a driving motor 41 and a driving sprocket 42, and an output shaft of the driving motor 41 is connected to the driving sprocket 42 for transmission. The first rotating member 21 includes a first rotating shaft 211 and a double-row sprocket 212 fixed to one end of the first rotating shaft 211, the second rotating member 22 includes a second rotating shaft 221 and a driven sprocket 222 fixed to one end of the second rotating shaft 221, the double-row sprocket 212 includes an inner sprocket 2121 and an outer sprocket 2122, the driving sprocket 42 drives the inner sprocket 2121 to synchronously rotate through the first chain 43, and the outer sprocket 2122 drives the driven sprocket 222 to synchronously rotate through the second chain 44. It can be understood that, the driving mechanism 40 drives the first rotating shaft 211 and the second rotating shaft 221 to rotate synchronously through the transmission cooperation among the driving sprocket 42, the first chain 43, the duplex sprocket 212 and the driven sprocket 222, so as to drive the unwinding disc 30 to rotate for unwinding, thereby avoiding the phenomenon of unbalanced center of gravity in the circumferential direction of the unwinding disc 30.

In this embodiment, the unwinding disc 30 includes a winding core 31 and discs 32 connected to two ends of the winding core 31, the first rotating member 21 and the second rotating member 22 are both provided with a transmission rubber covered roller 23, the transmission rubber covered roller 23 is in contact fit with the discs 32, and the transmission rubber covered roller 23 drives the unwinding disc 30 to rotate through friction force when rotating along with the first rotating member 21 or the second rotating member 22.

Preferably, the transmission rubber covered roller 23 is connected with the first rotating shaft 211 or the second rotating shaft 221 through a key bar 24, two ends of the first rotating shaft 211 and the second rotating shaft 221 are arranged on the frame 10 through a bearing 25 with a seat, and the whole stability of the transmission structure is high. The driving motor 41 is fixed on the frame 10 through the bottom plate 411, and the tightness of the first chain 43 and the second chain 44 can be adjusted by adjusting the installation position of the bottom plate 411 and the installation positions of the bearings 25 with seats at both ends of the first rotating shaft 211 and the second rotating shaft 221, so that the chains are in a proper tension state. The driving mechanism 40 further comprises a protective cover 45 for protecting the transmission system, wherein the protective cover 45 surrounds the driving sprocket 42, the first chain 43, the double-row sprocket 212 and the driven sprocket 222 and is fixed on the machine frame 10 through threaded fasteners.

Further, a plurality of screw holes 241 are formed in the key bar 24, the transmission rubber covered roller 23 penetrates through the screw holes 241 through a threaded fastener and is limited on the first rotating shaft 211 or the second rotating shaft 221, and the transmission rubber covered roller 23 can be moved along the axial direction of the first rotating shaft 211 or the second rotating shaft 221 by detaching the threaded fastener, so that the unreeling disc 30 of different specifications can be adapted.

Preferably, the tension control mechanism 50 further includes a guide shaft 52 vertically disposed near the position detector 51 and a guide wheel 53 movable along the guide shaft 52, the guide wheel 53 is used for guiding out the unreeled tube or wire, and when the tube or wire unreeled from the unreeling tray 30 passes through the guide wheel 53, the guide wheel 52 moves up and down along the height of the tube or wire, so that the tube or wire is continuously and stably unreeled while maintaining a constant tension. In other embodiments, the tension control mechanism 50 may not include the guide roller 53, and the tension-free automatic unwinding is realized.

Specifically, the active unwinding device further includes a controller (not shown), the position detector 51 and the driving mechanism 40 are connected to the controller, the position detector 51 outputs corresponding preset potentials according to different heights of the detected pipes or wires, and the controller adjusts the unwinding speed of the driving mechanism 40 according to a preset potential output signal. It is understood that the position detector 51 corresponds to a potential adjuster, and the height position of the pipe or wire corresponds to different potentials.

In this embodiment, the position detector 51 is a laser detector, the position detector 51 includes a plurality of sets of laser transmitters and laser receivers, the pipe or wire unreeled by the unreeling disc 30 passes through the space between the laser transmitter and the laser receiver, and when the pipe or wire passing through the detection area of the position detector 51 blocks the light beam of a set of laser correlation, the controller controls the unreeling speed in real time according to the preset potential corresponding to the set of laser.

Further, the frame 10 includes a bottom frame 11 and a vertical frame 12 fixed on the bottom frame 11, an operation box 13 for accommodating the controller is provided on the vertical frame 12, and the operation box 13 is fixedly connected to the vertical frame 12 through a threaded fastener. In this embodiment, the bottom frame 11 is a frame structure and is formed by welding sectional materials or plates, and the structure is firm.

Preferably, the tension control mechanism 50 is fixed on one side of the chassis 11, a feeding plate 54 is arranged on one side of the chassis 11 far away from the tension control mechanism 50, the feeding plate 54 is arranged obliquely, and the reel 30 is pushed up and down through the feeding plate 54, so that the operation is convenient. In this embodiment, the wear-resistant sheet 541 is disposed on the upper material plate 54, so that the service life of the upper material plate 54 can be prolonged, and the strength thereof can be enhanced.

The utility model discloses a theory of operation lies in: when the tube or wire is unreeled to the next process for production and processing, the speed of the traction of the next process is higher than the unreeling speed of the tube, the position of the tube or wire passing through the detection area of the position detector 51 is raised, and the controller outputs an acceleration signal to adjust the unreeling speed of the driving mechanism 40, so that the unreeling speed of the tube or wire is increased, and the tube or wire is prevented from being stretched; when the traction speed of the current process is lower than the unreeling speed of the pipe, the position of the pipe or the wire passing through the detection area of the position detector 51 is reduced, and the controller outputs a deceleration signal to adjust the unreeling speed of the driving mechanism 40, so that the unreeling speed of the pipe or the wire is reduced, and the pipe or the wire is in a stable conveying state.

The active unwinding device provided by the embodiment of the utility model supports and drives the unwinding disc 30 to rotate through the first rotating part 21 and the second rotating part 22 to actively unwind, has a simple structure, does not need to pull the unwinding disc 30 through a pipe or a wire, and avoids the phenomenon of unstable tension; and the position detector 51 is arranged to detect the height position of the unreeling, so as to further adjust the output rotating speed of the driving mechanism 40, so that the active unreeling speed is matched with the traction speed of the next process, the product is prevented from tensile deformation, and the product quality is effectively ensured.

The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims

1. An active unwinding device is characterized by comprising a frame, a rotary supporting mechanism, an unwinding disc, a driving mechanism and a tension control mechanism; the unwinding disc can be used for unwinding a pipe or a wire, the rotary supporting mechanism comprises a first rotary piece and a second rotary piece which are used for supporting the unwinding disc, and the first rotary piece and the second rotary piece are arranged on the rack and are spaced from each other; the driving mechanism is used for driving the first rotating piece and the second rotating piece to rotate so as to drive the unwinding disc to rotate; the tension control mechanism comprises a position detector, the position detector is used for detecting the height position of the unreeled pipe or wire, and the output rotating speed of the driving mechanism is adjusted according to the height position of the unreeled pipe or wire.

2. The active unwinding device of claim 1, wherein the driving mechanism comprises a driving motor and a driving sprocket, and an output shaft of the driving motor is connected with the driving sprocket for transmission; first rotating member includes first rotation axis and is fixed in the double sprocket of first rotation axis one end, the second rotating member includes the second rotation axis and is fixed in the driven sprocket of second rotation axis one end, double sprocket includes inboard sprocket and outside sprocket, driving sprocket passes through first chain drive inboard sprocket synchronous rotation, outside sprocket passes through the second chain drive driven sprocket synchronous rotation.

3. The active unwinding device of claim 2, wherein the unwinding disc comprises a winding core and discs connected to two ends of the winding core, and the first rotating member and the second rotating member are both provided with a transmission rubber covered roller, and the transmission rubber covered roller is in contact fit with the discs.

4. The active unwinding device of claim 3, wherein the transmission rubber covered roller is connected to the first rotating shaft or the second rotating shaft through a key bar, and two ends of the first rotating shaft and the second rotating shaft are arranged on the frame through a bearing with a seat.

5. The active unwinding device of claim 4, wherein the spline is provided with a plurality of screw holes, and the transmission rubber covered roller is limited on the first rotating shaft or the second rotating shaft by passing through the screw holes by a threaded fastener.

6. The active unwind apparatus of claim 1 wherein said tension control mechanism further comprises a guide shaft vertically disposed adjacent to said position detector and a guide wheel movable along said guide shaft for drawing the unwound tube or wire therefrom.

7. The active unwinding device of claim 1, wherein the position detector and the driving mechanism are connected to a controller, the position detector outputs corresponding preset potentials according to different detected heights of the pipe or the wire, and the controller adjusts the unwinding speed of the driving mechanism according to a preset potential output signal.

8. The active unwinding device of claim 7 wherein the position detector comprises a plurality of sets of laser emitters and laser receivers, and the tube or wire being unwound by the unwinding reel passes between the laser emitters and the laser receivers.

9. The active unwinding device of claim 7, wherein the frame comprises a bottom frame and a vertical frame fixed to the bottom frame, and an operation box for accommodating the controller is disposed on the vertical frame.

10. The active unwinding device of claim 9, wherein the tension control mechanism is fixed to one side of the bottom frame, a feeding plate is disposed on one side of the bottom frame away from the tension control mechanism, the feeding plate is disposed in an inclined manner, and a wear-resistant plate is disposed on the feeding plate.