WO2011060696A1

WO2011060696A1 - Device for continuously feeding strip coils and method thereof

Info

Publication number: WO2011060696A1
Application number: PCT/CN2010/078577
Authority: WO
Inventors: 郑能欢
Original assignee: 华瀚科技有限公司
Priority date: 2009-11-17
Filing date: 2010-11-09
Publication date: 2011-05-26
Also published as: CN101734501A; CN101734501B

Abstract

A device for continuously feeding strip coils comprises a strip hanging machine (1) which is provided with two or more sets of strip disc systems (14) independent to each other. The two or more sets of strip disc systems (14) are fixed on a rotatable worktable (13) in the same horizontal plane and can be used to respectively hang a coil of strips (5) for alternate operation. The strip disc systems (14) join the strips (5) between different strip disc systems through a splicing machine (2). The device also comprises a strip storing machine (3) for storing the strips (5), and the strips (5) discharged from the two or more sets of strip disc systems (14) are alternatively fed into the strip storing machine (3). A method for continuously feeding strip coils is also disclosed. The device and method can ensure the continuous production so as to enhance production efficiency and reduce waste.

Description

Device and method for continuous feeding of strip coils

The present invention relates to strip transport between a source of supply and equipment for performing various processes. In particular, it relates to a continuous strip conveying apparatus and method for continuously feeding a lightweight, weldable flexible strip into a subsequent apparatus for various processing. Background technique

Equipment for the processing of flexible strips, in particular for conventional equipment where the lightweight, weldable flexible strip is continuously fed into subsequent equipment for various processes, usually in roll form. The existing processing equipment is to output the strip through a belt reel. In the continuous use of the strip, after the roll is used up, it is necessary to re-roll the roll, and the head and tail of the roll need to be re-attached. The equipment currently used usually requires production line downtime to complete the roll change work, which will not only affect the production efficiency of the production line, but also inevitably cause losses to the next process.

Patent application 200580004269.6 discloses a strip processing device which utilizes a plurality of pads and knives arranged in a ring to effect continuous processing of the strip, the application being based on strip cutting of the strip, but in actual production It is difficult for the strip to be cut in the manner of this application, and this cutting method does not allow for a quick connection, and continuous feeding is still not possible smoothly.

Based on this, it is necessary to design a continuously operated strip continuous conveying system to ensure production efficiency, and in any case, the conveying system should not stop supplying the strip. Summary of the invention

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide an apparatus and method for continuously feeding a coil of material which is capable of ensuring continuous production, improving production efficiency, and reducing waste.

Another object of the present invention is to provide an apparatus and method for continuously feeding a strip of material which is capable of quickly and accurately replacing the strip and for ease of control.

In order to achieve the above object, the present invention is achieved in this way:

The utility model relates to a device for continuously feeding a strip coil, characterized in that the device comprises a tape hanging machine and a tape storage machine; the basic structure of the tape hanging machine comprises a winding diameter expansion and contraction device, a braking device for controlling the tension of the strip material, a work table And the reel system, the strip is placed on the reel system to form a strip roll, and the lanyard is provided with two or more sets of independent reel systems, two or more sets of reel systems at the same level The ground is fixed on a rotatable worktable, and each roll of tape can be alternately operated. Two sets of reel systems pass through the strips between different reel systems; a tape storage machine for storing the strips, the storage The belt machine includes a frame, a feeding and discharging guiding device, a front end of the storage machine is provided with a feeding guide device, and a rear end is provided with a discharge guiding device, and the frame has a discharge guiding device With proper space and along the strip direction, the frame along the strip advancing direction can accommodate a sufficient length of slack in a limited space, allowing the manufacturer to have sufficient strapping time; The system or more than two sets of exported strips are alternately input into the belt stocker. During the belt change process, the belt is buffered and outputted by the stocker to achieve uninterrupted conveyance of the strip.

The two or more sets of strip systems are disposed on the same horizontal surface of the workbench. Under the action of the worktable selection, different strip systems can be alternately arranged to achieve continuous feeding.

The worktable is a rotary workbench, and has a rotating shaft and a locking mechanism at the bottom thereof, the rotating shaft drives the rotary table to rotate, and the locking device fixes the position of the rotary table, so that the strip can be replaced and rotated from the bottom. It facilitates the positional replacement of the fixed reel system on the rotary table without changing the position of the conveyed strip.

A preferred way is to set the reel system to two sets, which are respectively fixed to the two sides of the rotary table in a horizontal direction, so that the rotary table can rotate 180° and rotate the rotary table by 180°. A quick roll change is possible.

The hang-up machine may have more than one part and work at the same time to realize uninterrupted processing of the strip.

The device for continuously feeding the strip rolls further comprises a splicing machine, and the two sets of reel systems perform the connection of the strips between the different reel systems through the splicing machine, the splicing machine comprises a working platform, and the two sets are flush and spaced. a pressing device, a strapping device (such as a welding machine) and a shearing device at a certain distance; the upper part of the working platform supports two sets of pressing devices that are flush and spaced apart by a certain distance, and the lower part is provided with a strapping device, and the strapping device is paired a quasi-compacting device for joining the press-aligned strips; a side of the working platform supporting a stripping device for shearing unqualified strips; when strapping, first cutting off the unacceptable strips with a stripping device Material, and cut the head and tail interfaces at both ends, then press the strips at both ends with a pressing device, and make the interface flush; then use the strap device to tie the belt and smooth the seam.

The pressing device is composed of a pressing cylinder, a connecting rod and a pressing head. The pressing head has a flat pressing surface to press the strip flatly, and the pressing cylinder is fixed on the working platform and passes through The connecting rod is connected to the pressing head, and the pressing head is pressed under the control of the pressing cylinder to realize the pressing of the strip.

The strapping device is a welder that aligns the intermediate positions of the two crimping devices to weld the strip.

The shearing device comprises a shearing cylinder, a shearing rod and a scissors, the shearing cylinder is fixed on a side of the working platform, a shearing link is protruded upward, and the end of the shearing rod is fixed with scissors, The scissors cut the strip.

The stocker further includes a quick feeding device, and the fast feeding device is located at the feeding end of the frame, and can drive a certain length of the strip into the frame at a high speed for production when the belt is used for production. Further, the fast feeding device comprises a driving wheel and a corresponding pressing wheel, wherein the driving wheel can control the storage speed by power driving; the pressing wheel is located below or above the driving wheel, and can move up and down, when the driving wheel and the pressure When the tension wheel is pressed, the strip can be stopped from entering the belt, so that the free end of the strip is engaged with the strap operation. In the continuous production process of the strip, in order to allow the production personnel to have enough time for welding and polishing the strip, the remaining portion of the strip can be pre-loaded into the stocker before each strip is used up. After the strip is driven into the stocker, the strip is required for production. The strip is supplied by strips stored in the stocker, which can be used by production personnel to weld and polish the strip. Furthermore, the stocker consists of a frame, a feed guide wheel, a motor, a drive wheel, a pressure wheel, a limit wheel, a rear guide wheel, and an output guide wheel. The front part of the front end of the frame is provided with a front bracket, the outer end of the front bracket is fixed with an infeed guide wheel, and the infeed guide wheel constitutes a feeding guide, wherein the infeed guide wheel usually consists of a large infeed guide wheel and a small advance It is composed of a guide wheel to ensure the smoothness and smoothness of the incoming strip; the front wheel is also fixed with a driving wheel, and the pressing wheel is disposed under the driving wheel. When the belt is stored, the motor drives the driving wheel to rotate, the pressing wheel The strip is pressed by the cylinder to press the belt on the driving wheel, and the strip is driven into the stocker by the friction between the strip and the driving wheel. The strip is stored in the space inside the rack and is led out by the limit wheel. The strip is conveyed through the rear guide pulley and the take-up guide pulley. The take-up guide pulley is fixed behind the rear end of the rack. On the bracket, the rear guide wheel is fixed on the upper part of the rear end of the frame and corresponds to the limit wheel, and the rear guide wheel and the take-up guide wheel constitute a discharge guiding device.

A preferred method is that the lanyard and the stocker also have an adjustable strip side guide to keep the strip feeding steadily.

A method for continuously feeding a coil of material, the method mainly comprising the following steps:

1. Feeding, placing the strip on two reel systems, and extending the strip of one of the reel systems into the splicer;

2. Change the belt, adjust the rotary table, and extend the strip of another reel system into the splicer.

Cut off the unqualified strip, then press the joined strips with the pressing device and make the interface flush.

Then use the strap device to take the strap and smooth the seam;

3. Feeding, the strip is input into the subsequent strip processing system through the stocker.

In step 2, the removal of the unqualified strip means that the uneven portion of the strip to be joined is cut off to make the interface flush. In step 2, the strapping device is spliced and the seam is smoothed. The strapping device welds the strip and then smoothes the seam to facilitate the use of the strip.

In the continuous production process of the strip, the head and tail of each continuous strip are connected. When strapping, first use the shear welder to cut the head and tail interfaces of the strips at both ends, then press the strips at both ends with a pressing device, and make the interface flush; then use the welder to pick up the belt The seams are smoothed.

In the method described, after the belt change, the vacant reel system is fed and the strip is loaded for the next belt change.

In the method described, a slack tape of sufficient length is accommodated between the splicer and the stocker, or the hopper is provided to have sufficient strapping time.

The invention adopts a plurality of reel systems, and the strips are replaced by different reel systems, so that the strip can be conveyed without interruption during the processing, which ensures the production efficiency and reduces the waste caused by the strip change. .

And the reel system is converted by the rotary table, which can control the accurate docking of the strips, and can change the belt accurately and quickly, and the control is also very convenient. DRAWINGS

Figure 1 is a front elevational view of an embodiment of a continuous strip conveying system of the present invention,

2 is a top plan view of an embodiment of a continuous strip conveying system of the present invention,

Figure 3 is a side view of the tape hanger of the present invention,

4 is a schematic structural view of a splicing machine according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a tape storage machine according to the present invention. detailed description

As shown in FIG. 1 and FIG. 2, the apparatus for continuously feeding the strip rolls of the present embodiment mainly comprises a tape hang machine 1, a splicer 2 and a stocker 3, and the lanyard 1 outputs the strip 5 through the reel system 14. (also known as tape, steel belt, hereinafter referred to as steel belt), and enter the storage machine 3. Between the lanyard 1 and the stocker 3, a shear welder 2 is provided as a shearing and welding device for the steel strip. Shearing machine One is to cut and weld the leading and trailing ends of the reel system, and the other is to cut off the unqualified steel strip in the reel system. It is used for continuously feeding a lightweight and weldable steel strip into the straightening machine 4 and performing subsequent processing; the steel strip after the welding and shearing of the shearing machine 2 is input into the straightening machine 4 through the stocker 3 for continuous production. The storage machine stores a certain length of steel strip, and in the process of strip changing, the production personnel have sufficient time for welding and grinding the steel strip.

Specifically, the main structure of the lanyard 1 includes a rotary table 13, a base 12, and a reel system 14, which is composed of an expansion and contraction reel 15, a stop arm 17, a steel reel shutter 18, and a main shaft 11 The brake 19 is composed of several components, wherein the reel system is two sets of mutually independent reel systems 14. The two sets of reel systems 14 can alternately work with one roll of steel strips. The reel system 14 is fixed on the rotary table 13 through the support frame, and the rotary table 13 is rotated by 180° to realize the alternate operation of the reel system 14. Thereby achieving a quick roll change.

The lanyard machine adopts the passive working principle, and has no power itself, and drives the steel belt to move by means of the tractor. 1 and 2, in order to set two splicing machines 2 and four lanyards 1, each splicer 2 corresponds to two lanyards 1 for steel strip replacement, and two splicing The machine 2 corresponds to a stocker 3 to enable continuous production.

3 is a schematic structural view of the tape hanging machine. In the figure, the rotary table 13 is disposed on the base 12, and the bottom surface of the rotary table has two positioning sleeves 131 on the same horizontal line, and a linkage rod 133 is correspondingly nested therein. The positioning sleeve 131 has a pedal 132 supported by a spring at the bottom of the linkage rod, and the pedal 132 fixed on the base is depressed, so that the linkage rod 133 is respectively nested in the two positioning sleeves 131, and the rotary table can be rotated 180. °, the rapid change of the roll can be achieved by the rotation of the rotary table 13.

Two sets of reel systems 14 can be used to hang a strip of steel strips 5 alternately, and the strips are led in opposite directions for easy interchange. The main shaft 11 is a central shaft of the reel system, which is supported by the rotary table 13 by a bushing.

A front end of the main shaft 11 is provided with a lead screw 111 and a sliding guide sleeve shaft 112, and the sliding guide sleeve shaft 112 is sleeved flat. The four-bar linkage mechanism 16 is further provided with an expansion and contraction reel 15 on the parallel four-bar linkage mechanism 16. The expansion and contraction reel 15 functions to prevent the inner diameter of the steel reel from slipping, and can generate sufficient friction torque and steel belt tension. Causes torque balance. By using a special handle, the rotating screw 111 is driven to drive the sliding guide sleeve shaft 112 to move axially, so that the inclination angle of the connecting rod of the parallel four-bar linkage mechanism 16 can cause expansion and contraction of the expansion and contraction cylinder diameter.

The expansion and contraction reel 15 is composed of four curved plates which are axially fixed to the reel system baffle 18 and are slidable in the radial direction with the connecting rod. The main shaft 11 is rotated by the expansion and contraction reel 15 by means of a slide key. The belt centering adjustment relies on the arm 17 to attach the reel system to the reel system baffle 18.

The brake 19 is a mechanical brake type, which is disposed between the main shaft 11 and the rotary table 13, and adjusts the tension adjusting nut on the brake 19 to maintain the spindle 11 at a certain rotational speed, so that the tension of the steel strip is in an appropriate state. The function of the brake 14 is to achieve the tension unwinding of the steel strip by the frictional torque, and to prevent the reel from continuing to rotate when the belt is broken, thereby causing loosening of the reel, or when the unwinding speed is slow, the reel system 14 is disintegrated under the action of inertia. .

Figure 4 shows the structure of the splicer. The splicing machine 2 mainly comprises a working platform 25, a pressing device 22, a scissors 29 and a platform wheel 26, wherein the working platform 25 is a supporting structure, and the upper part is provided with two sets of pressing devices 22 which are flush and spaced apart by a certain distance, and are pressed The device 22 is controlled by a rotary valve 21 and a compression cylinder 23 disposed at a side thereof to achieve pressing or loosening of the steel strip 5, and the lower portion of the pressing device 22 is fixed to the working platform 25 by a connecting rod. The cylinder 29 is driven by the shearing cylinder 28, and the scissors 29 are also abutted against the tool holder 27 to effectively cut the steel strip. The tool holder 27 and the shearing cylinder 28 are fixed to the working platform. The side of the belt 25 is attached to the work platform 25 below the hold-down device 22, aligned with the hold-down device 22 to enable welding and sanding of the steel strip.

The specific structure of the pressing device comprises a pressing cylinder 23, a connecting rod and a pressing head. The pressing head has a flat pressing surface to press the strip flatly, and the pressing cylinder is fixed on the working platform and passes through The connecting rod is connected to the pressing head, and the pressing head is pressed under the control of the pressing cylinder to realize the pressing of the strip.

The shearing cylinder 28 is fixed to the side of the working platform, and a shearing link is protruded upward. The end of the shearing link is fixed with a scissors 29, and the strip is cut by the scissors, and the scissors 29 is further provided with a knife. Shelf 27, to ensure the smooth progress of the cut.

When the belt is taken, the unqualified steel strip is first cut with scissors 29, and the head and tail joints at both ends are cut, and then the steel strips at both ends are pressed by the pressing device 22, and the interface is flushed; Machine 24 is strapped and the seam is smoothed.

Figure 5 shows the structure of the stocker. The stocker 3 mainly comprises a frame body 30, a feed guide wheel 38, a drive wheel 36, a pressure wheel 37, a limit wheel 34, a rear guide wheel 33 and an exit guide wheel 32. The feed guide wheel 38 constitutes a feed guide. The device is composed of two large guide wheels and a small guide pulley, and the fast feeding device comprises a driving wheel 36 and a pressing wheel 37. The fast feeding device 34 is located at the feeding end of the frame body. High-speed driving a certain length of steel strip into the frame for production when used for strapping.

The frame 30 has a suitable space therein so that the frame 30 in the advancing direction of the steel strip can accommodate a sufficient length of the relaxed steel strip in a limited space, so that the production personnel have sufficient strapping time. The driving wheel 36 is controllable by the power driving of the motor 34 The storage belt speed Vo> the continuous production running speed V of the steel strip; the storage body 30 can store a certain steel strip 5, and the pressing wheel 37 is located below the driving wheel 36, and the friction between the steel strip and the driving wheel 36 is utilized. The force drives the steel belt into the storage machine 3 to achieve the effect of the feeding belt. When the steel strip is not required, the pressing wheel 37 can be moved down to stop the steel belt feeding, so that the steel belt is located at the free end of the outer body of the frame. With operation coordination.

The limit wheel 34 is disposed in the frame to guide and limit the position of the strip. The strip is stored in the space inside the rack and is led out through the limit wheel 34, and passes through the rear guide wheel 33 and the take-up guide wheel 32. The steel strip is conveyed, the take-up guide wheel 32 is fixed on the rear bracket 31 protruding from the rear end of the rack, and the rear guide wheel 33 is fixed on the upper part of the rear end of the frame 3, and corresponds to the limit wheel 34, the rear guide wheel 33 and the take-up guide pulley 32 constitute a discharge guide, and the steel strip is conveyed to the straightener 4 through the rear guide pulley 33 and the take-up guide pulley 32 for subsequent processing.

The tape storage machine can store a certain length of steel strip. In the continuous production process of the strip, in order to allow the production personnel to have enough time for welding and grinding the steel strip, the remaining part of the steel strip can be driven into the stocker in advance when each strip of steel is used up. After the steel strip is driven into the belt loader, the steel strip required for strip production is supplied by the steel strip stored in the stocker, and the production personnel can use this time to weld and polish the steel strip.

Based on the above apparatus, the method of continuously feeding the strip roll comprises the following steps:

1. Feeding, set the steel strip to the first strapping machine and the second strapping machine (here, mainly described in the manner shown in Fig. 2, and the two strapping machines corresponding to each trimming machine) They are respectively defined as a first lanyard machine and a second lanyard machine for distinguishing), and the steel strip of the first lanyard machine is input into the splicing machine;

2. The splicing machine inputs the steel strip to the stocker and outputs it to the straightening machine 4 through the stocker for normal processing of the steel strip; if the steel strip on a reel system is used up, adjust the rotary table. Align the strip of another reel system with the splicer;

3, change the belt. The splicing machine first cuts off the uneven portion of the tail of the steel strip input by the first lanyard, cuts off the uneven portion of the front part of the steel belt input by the second lanyard, and then joins the first lanyard by the pressing device. The tail of the steel strip and the front part of the second strapping machine strip are respectively pressed and fixed, and the interface is flush.

The above steel strip is welded by a argon arc welding machine, and the joint is smoothed;

When cutting, the side of the strip is pressed against the shearing position on the work surface, and the shearing cylinder pushes the scissors to cut the strip. Press the clamping timing to close the side of the strip against the clamping position on the work surface. Press the cylinder to push the pressure plate to clamp the strip to be aligned on the work surface.

4. Feeding. After the belt change is completed, the steel strip is fed into the straightener 4 through the stocker.

The device and method can firstly utilize a plurality of lanyards and splicing machines to quickly connect the steel strips on different lanyard machines, thereby making continuous processing of the steel strip possible, and the method is suitable for current steel strip processing. Process, on the basis of the original process, it is only necessary to add a few equipments to realize the continuous processing and production of the steel strip, and the process transformation is convenient. When the steel strip is connected, there is a storage machine to store the buffer of the material, which will not adversely affect the processing and connection of the steel strip, thus ensuring the original strength of the steel strip.

The above embodiments are only intended to illustrate the technical solutions of the present invention and are not to be construed as limiting the invention. It should be understood by those skilled in the art that the present invention may be modified or equivalently substituted without departing from the spirit and scope of the invention.

Claims

Claim

1. A device for continuously feeding a strip roll, characterized in that the device comprises a tape hang machine and a stocker; the lanyard machine comprises a roll diameter expansion device, a brake device for controlling the tension of the strip, and a work table. And the reel system, the strip is placed on the reel system to form a strip roll, and the lanyard is provided with two or more sets of independent reel systems, two or more sets of reel systems at the same level The grounding machine is fixed on a rotatable worktable; the stocking machine comprises a frame, a feeding and discharging guiding device, a front end of the storage machine is provided with a feeding guiding device, and a rear end is provided with a discharging guiding device, in the frame Having suitable space and arranged along the strip direction; the two sets of reel systems or two or more sets of output strips are alternately input into the stocker, and the strip is carried by the stocker during the change of the belt The buffer output is used to achieve uninterrupted transport of the strip.

2. The apparatus for continuously feeding a coil of paper according to claim 1, wherein the table is a rotary table, and the bottom has a rotating shaft and a locking mechanism, and the rotating shaft drives the rotary table to rotate, and the locking device The position of the rotary table is fixed.

3. The apparatus for continuously feeding a coil of paper according to claim 2, wherein the reel system is two sets which are respectively fixed to the two sides of the rotary table in a horizontal direction.

4. The apparatus for continuously feeding a coil of paper according to claim 1, wherein the apparatus comprises a splicing machine, the splicing machine comprising a working platform, two sets of pressing devices at a distance and spaced apart, and connecting The belt device and the belt cutting device; the upper part of the working platform supports two sets of pressing devices which are flush and spaced apart, the lower part is provided with the belting device, and the belting device is aligned with the pressing device to press the aligned strips Engagement; one side of the work platform supports a ribbon cutting device.

5. The apparatus for continuously feeding a coil of paper according to claim 1, wherein said stocker further comprises a rapid feeding device, said rapid feeding device being located at a feeding end of said frame, said fast The feeding device comprises a driving wheel and a corresponding pressing wheel, and the driving wheel can control the storage speed by power driving; the pressing wheel is located below or above the driving wheel and can move up and down.

6. The apparatus for continuously feeding a coil of paper according to claim 5, wherein the stocker comprises a frame, a feed guide wheel, a motor, a driving wheel, a pressure wheel, a limit wheel, a rear wheel, The front part of the front end of the frame is provided with a front bracket, the outer end of the front bracket is fixed with an inlet guide wheel, the rear bracket is fixed with a driving wheel, and the pressing wheel is disposed on the driving wheel. Below, the strip is stored in the space inside the rack and is led out by the limit wheel. The strip is conveyed through the rear guide and the take-up guide. The take-up guide is fixed on the rear bracket protruding from the rear end of the rack. The rear guide wheel is fixed at the upper part of the rear end of the rack and corresponds to the limit wheel.

7. A method of continuously feeding a strip of material, characterized in that the method comprises the following steps:

(1) feeding, placing the strip on two reel systems, and extending the strip of one of the reel systems into the splicer;

(2), change the belt, adjust the rotary table, and extend the strip of the other reel system into the splicer.

Then use the strap device to take the strap and smooth the seam; (3), feeding, the strip is input into the subsequent strip processing system through the stocker.

8. The method of continuously feeding a coil of paper according to claim 7, wherein in step 2, the cutting off the unqualified strip means cutting off the uneven portions of the ends of the strip to be joined, so that the interface is flush; The strapping device is used to splicing the belt and smoothing the seam. The belting device is used to weld the strip and then flatten the seam to facilitate the use of the strip.

A method of continuously feeding a web of rolls according to claim 7, wherein in the continuous production of the strip, the head and tail of each successive strip of strips are connected.

10. The method of continuously feeding a coil of paper according to claim 7, wherein at the time of the belt change, the slitter is placed between the splicer and the stocker, or the stocker contains a sufficient length of the slack strip to possess Enough time to take.