CN210701765U - Coil stock feeding equipment - Google Patents

Abstract

The utility model discloses a coil feeding device, which comprises a frame, a pressing mechanism arranged on the frame, a material supporting mechanism and an uncoiler, wherein the uncoiler comprises a tensioning mechanism, a tensioning driving mechanism and an uncoiling driving mechanism which are arranged on the frame, the tensioning mechanism comprises a hollow shaft, the sliding shaft sleeve, disk body and a plurality of tight board that rises, the first end of hollow shaft is rotationally assembled in the frame, the slip shaft sleeve slip cap is in the second end of hollow shaft, all tight boards that rise arrange into the round in the outside of slip shaft sleeve along the circumference of slip shaft sleeve, be equipped with two connecting rods between every tight board that rises and the slip shaft sleeve, the tight board that rises still wears to arrange the disk body in and can follow the radial of disk body and slide, be equipped with axial barrier structure on the tight board that rises, be provided with guide structure between slip shaft sleeve and the hollow shaft, open a book actuating mechanism's output and connect in the first end of hollow shaft, the tight actuating mechanism's that rises output and slip. The utility model discloses a roll up material feeder equipment's the tight board that rises open or the shrink process is steady smooth and easy.

Description

Coil stock feeding equipment

Technical Field

The utility model relates to a sheet metal processing field especially relates to a coil stock feeding equipment.

Background

In the sheet metal processing industry, large rolling equipment is commonly used to perform continuous press forming processing on sheet metal such as steel coils. In order to facilitate production, improve efficiency and reduce labor intensity, the steel coil which is pre-wound into a cylinder shape is stored on a special uncoiler, and the uncoiler continuously or discontinuously uncoils and conveys the steel coil to a rolling machine.

The uncoiler expands and tightens the coil of strip by means of the multiple tightening plates jointly, but the tightening plates can move towards the axis direction of the coil of strip in the expanding process, so that the relative positions of the coil of strip and the tightening plates are changed constantly, the positioning of the coil of strip is influenced, the tightening plates are not guided when being expanded or folded, and the multiple tightening plates are difficult to expand or fold to achieve the stable and smooth effect. In the steel sheet that opens a book from the decoiler is unsettled sends into the roll squeezer in addition, because the steel sheet receives the action of gravity, this section steel sheet of unsettled can produce flagging, but current decoiler can not carry out the bearing to the steel sheet according to the flagging position of steel sheet in real time, leads to the flagging range of steel sheet too big and cause the lap that loosens, in addition because the steel sheet appears rocking easily when flagging, leads to influencing the roll squeezer to the roll pressing of steel sheet.

Therefore, there is a need for a roll feeding device with smooth and stable opening and closing process of the tension plate to overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a roll material feeding equipment that the process is steady and smooth and easy is received to opening or receipts of tight board that rises.

In order to achieve the above object, the utility model discloses a coil stock feeding device, including the frame, install in swager constructs, holds in the palm material mechanism and the decoiler in the frame, swager constructs with hold in the palm the material and locate the side of decoiler and the swager constructs the top of holding in the palm the material mechanism, the decoiler includes tight mechanism and the tight actuating mechanism that rises and opens the book that installs in the frame, tight mechanism that rises includes hollow shaft, slip axle sleeve, disk body and a plurality of tight board that rises, the disk body be fixedly suit in the hollow shaft so that the hollow shaft separates first end and second end, the first end of hollow shaft is rotationally assembled in the frame, slip axle sleeve slip cover in the second end of hollow shaft, all tight board that rises along the circumference of slip axle sleeve is in the outside of slip axle sleeve is arranged into the round, two connecting rods are arranged between each tension plate and the sliding shaft sleeve, the two connecting rods, one tension plate and the sliding shaft sleeve jointly form a parallel four-bar mechanism, the tension plates are further arranged in the disc body in a penetrating manner and can slide along the radial direction of the disc body, an axial blocking structure for blocking the tension plates from sliding relative to the disc body along the axial direction of the disc body is arranged on each tension plate, a guide structure is arranged between each sliding shaft sleeve and the hollow shaft, the output end of the uncoiling driving mechanism is connected to the first end of the hollow shaft, the uncoiling driving mechanism drives the hollow shaft to rotate, the output end of the tension driving mechanism penetrates through the hollow shaft along the axial direction of the disc body and is connected with the sliding shaft sleeves, and the tension driving mechanism drives the sliding shaft sleeves to slide in a reciprocating manner under the guide of the guide structure, the sliding shaft sleeve which slides drives the tensioning plate to move close to or far away from the sliding shaft sleeve under the matching of the connecting rod and the axial blocking structure.

Preferably, the guide structure includes a guide slot provided in one of the sliding sleeve and the hollow shaft and a guide block provided in the other of the sliding sleeve and the hollow shaft, the guide block is located in the guide slot, and the axial blocking structure includes two wheels, and the two wheels clamp the tray body from an axial direction of the tray body.

Preferably, the tensioning driving mechanism comprises an air cylinder and a push-pull rod, the air cylinder is mounted on the frame, an output end of the air cylinder is connected to a first end of the push-pull rod, the push-pull rod is arranged in the hollow shaft, a second end of the push-pull rod penetrates out of the hollow shaft, and a bearing is sleeved between the push-pull rod and the sliding shaft sleeve; the uncoiling driving mechanism comprises a driving motor and a transmission structure with an input end and an output end, the driving motor is installed on the rack, the output end of the driving motor is connected to the input end of the transmission structure, and the output end of the transmission structure is connected to the hollow shaft.

Preferably, the material supporting mechanism comprises a lower driving device, a bracket for supporting an unfolded part in a coil material on the uncoiler from below, and an induction device for inducing the droop amplitude of the unfolded part, the lower driving device and the induction device are mounted on the rack, the bracket is pivoted to the rack, the output end of the lower driving device is connected with the bracket, the controller receives an induction signal input by the induction device and inputs a feedback signal to the lower driving device, and the lower driving device selectively drives the bracket to pivot relative to the rack according to the feedback signal so as to change the supporting height of the bracket on the unfolded part.

Preferably, induction system includes transmitting element and receiving element, transmitting element is located outside one side of bracket, receiving element is located outside the opposite other side of bracket, transmitting element includes the launching cradle and from last to installing in a plurality of transmitters on the launching cradle, receiving element includes the receiving rack and from last to installing in a plurality of receivers on the receiving rack.

Preferably, the bracket comprises a bracket body, a plurality of supporting rollers which are arranged on the bracket body from top to bottom in a front-back direction, and a guide device arranged on the supporting rollers, wherein the guide device is provided with a guide cavity with an opening at the top and capable of stretching.

Preferably, the guide device comprises two guide plates which are oppositely arranged and detachably mounted on the bearing roller.

Preferably, the lower driving device comprises a lower driving cylinder, a lower rotating shaft and a lower swinging member, the lower rotating shaft is rotatably assembled on the frame, a cylinder body of the lower driving cylinder is hinged to the frame, an output end of the lower driving cylinder is hinged to one end of the lower swinging member, the other end of the lower swinging member is fixed at a first end of the lower rotating shaft, and a second end of the lower rotating shaft is fixedly connected with the upper end of the bracket.

Preferably, the pressing mechanism includes an upper driving device, a pressing frame, a driving device and a pressing wheel, the pressing frame is located above the bracket and pivotally connected to the frame, the upper driving device is mounted on the frame, an output end of the upper driving device is connected to a lower end of the pressing frame, the upper driving device drives an upper end of the pressing frame to pivot relative to the frame to be close to or far away from the coil stock at the uncoiler, the driving device is mounted on the pressing frame, the pressing wheel is mounted on the upper end of the pressing frame, an output end of the driving device is connected to the pressing wheel, and the driving device drives the pressing wheel to rotate.

Preferably, the driving device comprises a motion motor and a transmission assembly having an output end and an input end, the output end of the motion motor is connected to the input end of the transmission assembly, and the pinch roller is mounted at the output end of the transmission assembly; go up the drive arrangement including last drive cylinder, go up the axis of rotation and go up the goods of furniture for display rather than for use, go up the axis of rotation be rotationally assemble in the frame, go up the cylinder body that drives the cylinder articulate in the frame, go up the output that drives the cylinder with the one end of going up the goods of furniture for display rather than for use is articulated, go up the other end fixed connection of goods of furniture for display rather than for use in go up the first end of axis of rotation, go up the second end of axis of rotation with the lower extreme fixed connection who.

Compared with the prior art, the utility model discloses a coil stock feeding device, including the frame, install the swager in the frame, hold in the palm material mechanism and decoiler, swager and ask material mechanism to locate the side of decoiler and swager to be located and hold in the palm the top of material mechanism, the decoiler includes tight mechanism and the tight actuating mechanism that rises and opens a book and install in the frame, tight mechanism that rises includes the hollow shaft, the slip axle sleeve, the disk body and a plurality of tight board that rises, the disk body is fixedly suit on the hollow shaft so that the hollow shaft separates first end and second end, the first end of hollow shaft is rotationally assembled in the frame, the slip axle sleeve is slipped and is put in the second end of hollow shaft, all tight boards that rise arrange into the round in the outside of slip axle sleeve along the circumference of slip axle sleeve, be equipped with two connecting rods between each tight board that rises and the slip axle sleeve, two connecting rods, tight board and slip axle sleeve constitute parallel four-bar mechanism together, the tension plate is further arranged in the disc body in a penetrating mode and can slide along the radial direction of the disc body, an axial blocking structure which blocks the tension plate from sliding relative to the disc body along the axial direction of the disc body is arranged on the tension plate, a guide structure is arranged between the sliding shaft sleeve and the hollow shaft, the output end of the uncoiling driving mechanism is connected to the first end of the hollow shaft, the uncoiling driving mechanism drives the hollow shaft to rotate, the output end of the tension driving mechanism penetrates through the hollow shaft along the axial direction of the disc body and is connected with the sliding shaft sleeve, the tension driving mechanism drives the sliding shaft sleeve to slide in a reciprocating mode under the guide of the guide structure and drives the tension plate to move close to or far away from the sliding shaft sleeve under the matching of the connecting rod and the axial blocking structure, and the sliding shaft sleeve can slide stably along the hollow shaft due to the arrangement of.

Drawings

Fig. 1 is a front view of the coil supply device of the present invention.

Fig. 2 is a schematic plan view of the coil feeding device shown in fig. 1 after hiding the pressing mechanism, the supporting mechanism, the coil and a part of the frame.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

Fig. 4 is a schematic perspective view of the coil feeding device in fig. 2 with the tension driving mechanism and the unwinding driving mechanism hidden at another angle.

Fig. 5 is a side view of the coil feeder apparatus of fig. 1 with the unwinder, coil and sensing device concealed.

Fig. 6 is a schematic perspective view of the launching unit in the coil feeding device of the present invention.

Fig. 7 is a schematic perspective view of a receiving unit in the coil feeding device of the present invention.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

As shown in fig. 1 to 5, the coil feeding apparatus 100 of the present invention includes a frame 10, a pressing mechanism 20, a supporting mechanism 30 and an uncoiler 40 installed on the frame 10, the pressing mechanism 20 and the supporting mechanism 30 are installed beside the uncoiler 40, the pressing mechanism 20 is located above the supporting mechanism 30, the uncoiler 40 includes a tensioning mechanism 41, a tensioning driving mechanism 42 and an uncoiling driving mechanism 43 installed on the frame 10, the tensioning mechanism 41 includes a hollow shaft 411, a sliding shaft sleeve 412, a disk 413 and a plurality of tensioning plates 414, the disk 413 is fixedly sleeved on the hollow shaft 411 to separate the hollow shaft 411 into a first end and a second end, the first end of the hollow shaft 411 is rotatably assembled on the frame 10, the sliding shaft sleeve 412 is slidably sleeved on the second end of the hollow shaft 411, all the tensioning plates 414 are arranged in a circle outside the sliding shaft sleeve 412 along the circumferential direction of the sliding shaft sleeve 412, two connecting rods 415 are installed between each tensioning plate 414 and the sliding shaft sleeve 412, the two connecting rods 415, a tension plate 414 and the sliding shaft sleeve 412 together form a parallel four-bar linkage, the tension plate 414 is further arranged in the disc 413 in a penetrating manner and can slide along the radial direction of the disc 413, the tension plate 414 is provided with an axial blocking structure 4141 for blocking the tension plate 414 from sliding relative to the disc 413 along the axial direction of the disc 413, a guide structure 416 is arranged between the sliding shaft sleeve 412 and the hollow shaft 411, the output end of the uncoiling drive mechanism 43 is connected to the first end of the hollow shaft 411, the uncoiling drive mechanism 43 drives the hollow shaft 411 to rotate, the output end of the tension drive mechanism 43 passes through the hollow shaft 411 along the axial direction of the disc 413 and is connected with the sliding shaft sleeve 412, the tension drive mechanism 42 drives the sliding shaft sleeve 412 to slide in a reciprocating manner on the hollow shaft 411 under the guide of the guide structure 416, and the tension plate 414 is driven by the sliding shaft sleeve 412 to move close to or far away from the, the sliding shaft sleeve 412 can slide smoothly along the hollow shaft 411 due to the arrangement of the guide structure 416, so that the opening or closing process of the tension plate 414 is smooth, in addition, the arrangement of the axial blocking structure 4141 enables the tension plate 414 to only slide along the radial direction of the disc body 413, and the tension plate 414 only can move in a translation manner relative to the sliding shaft sleeve 412, so that the coil 80 cannot slide along the axial direction of the disc body 413, and the positioning of the coil 80 is facilitated. More specifically, the following:

as shown in fig. 3 and 4, the guiding structure 416 includes a guiding slot 4161 opened in the sliding shaft sleeve 412 and a guiding block 4162 provided in the hollow shaft 411, the guiding block 4162 is located in the guiding slot 4161, the structure of the guiding structure 416 is simple, and the arrangement and implementation are easy, of course, according to actual needs, the guiding slot 4161 can be located on the hollow shaft 411, the guiding block 4162 is located on the sliding shaft sleeve 412, the guiding block 4162 is located in the guiding slot 4161, and the guiding function between the hollow shaft 411 and the sliding shaft sleeve 412 by the guiding structure 416 can be realized just as if the guiding block 4162 and the guiding slot 4161 are mutually matched and slide. Specifically, the axial blocking structure 4141 includes two wheels 4142, and the two wheels 4142 clamp the disk 413 from the axial direction of the disk 413, so that the tension plate 414 slides relative to the sliding sleeve 412 along the radial direction of the disk 413.

As shown in fig. 1 to 4, the tensioning driving mechanism 42 includes an air cylinder 421 and a push-pull rod 422, the air cylinder 421 is installed on the frame 10, an output end of the air cylinder 421 is connected to a first end of the push-pull rod 422, the push-pull rod 422 is disposed in the hollow shaft 411, a second end of the push-pull rod 422 penetrates out of the hollow shaft 411, a bearing 423 is sleeved between the push-pull rod 422 and the sliding shaft sleeve 412, the second end of the push-pull rod 422 and the sliding shaft sleeve 412 are axially and fixedly connected to each other and circumferentially rotate through the bearing 423, and the rotation of the sliding shaft sleeve 412 does not. Specifically, the unwinding driving mechanism 43 includes a driving motor 431 and a transmission structure 432 having an input end and an output end, the driving motor 431 is mounted on the frame 10, the output end of the driving motor 431 is connected to the input end of the transmission structure 432, and the output end of the transmission structure 432 is connected to the hollow shaft 411, for example, the transmission structure 432 is a belt transmission, and of course, the transmission structure 432 may be configured as a chain transmission according to actual needs, and can transmit the power of the driving motor 431 to drive the hollow shaft 411 to rotate, so that the disclosure is not limited thereto.

As shown in fig. 1 and 5, the roll material feeding apparatus 100 further includes a controller (not shown) electrically connected to the material supporting mechanism 30, the material supporting mechanism 30 includes a lower driving device 31, a bracket 32 for supporting the unwound part 90 in the roll material 80 on the unwinder 40 from below, and a sensing device 33 for sensing the sagging amplitude of the unwound part 90, the lower driving device 31 and the sensing device 33 are installed on the frame 10, the bracket 32 is pivotally connected to the frame 10, an output end of the lower driving device 31 is connected to the bracket 32, the controller receives a signal input by the sensing device 33 and inputs a feedback signal to the lower driving device 31, the lower driving device 31 selectively drives the bracket 32 to pivot relative to the frame 10 according to the feedback signal to change the supporting height of the unwound part 90 by the bracket 32, so that the roll material feeding apparatus 100 of the present invention can sense the sagging amplitude of the unwound part 90 in real time and support it, excessive sagging of the unfolded parts 90 is effectively avoided. Specifically, the lower driving device 31 includes a lower driving cylinder 311, a lower rotating shaft 312 and a lower swing member 313, the lower rotating shaft 312 is rotatably assembled on the frame 10, a cylinder body of the lower driving cylinder 311 is hinged to the frame 10, an output end of the lower driving cylinder 311 is hinged to one end of the lower swing member 313, the other end of the lower swing member 313 is fixed to a first end of the lower rotating shaft 312, a second end of the lower rotating shaft 312 is fixedly connected to an upper end of the bracket 32, and the lower driving device 31 is simple in structure and easy and convenient to operate.

As shown in fig. 6 and 7, the sensing device 33 includes a transmitting unit 331 and a receiving unit 332, the transmitting unit 331 is located outside one side of the bracket 32, and the receiving unit 332 is located outside the other side of the bracket 32 opposite to sense the drooping amplitude of the deployed section 90. Specifically, the transmitting unit 331 includes a transmitting rack 3311 and a plurality of transmitters 3312 mounted on the transmitting rack 3311 from top to bottom, the receiving unit 332 includes a receiving rack 3321 and a plurality of receivers 3322 mounted on the receiving rack 3321 from top to bottom, and the transmitters 3312 and the receivers 3322 of different heights cooperate to sense the current sagging amplitude of the spread portion 90 more fully, so as to accurately change the supporting height of the bracket 32 to the spread portion 90. For example, the transmitter 3312 is an infrared transmitter, but the transmitter 3312 may be a laser transmitter according to the actual requirement, and the receiver 3322 can be used to sense the sagging amplitude of the expanded portion 90, so the invention is not limited thereto.

As shown in fig. 1 and 5, the bracket 32 includes a bracket body 321, a plurality of support rollers 322 installed on the bracket body 321 from top to bottom and arranged in a front-rear direction, and a guide 323 installed on the support rollers 322, wherein the guide 323 has a guide cavity 3231 having an open top and being retractable, and the unfolded part 90 can be caught in the guide cavity 3231 when being supported by the bracket 32, thereby preventing the unfolded part 90 from shaking. Specifically, the guide device 323 includes two guide plates 3232 disposed oppositely and detachably mounted on the carrying roller 322, and by operating the two guide plates 3232 to be relatively close to or far away from each other, the size of the guide cavity 3231 can be adjusted, so as to guide the spread portions 90 with different widths, and the guide device 323 has a simple structure and is easy to arrange and implement.

As shown in fig. 1 and 5, the pressing mechanism 20 includes an upper driving device 21, a pressing frame 22, a driving device 23, and a pressing wheel 24, the pressing frame 22 is located above the bracket 32 and pivotally connected to the frame 10, the upper driving device 21 is mounted on the frame 10, an output end of the upper driving device 21 is connected to a lower end of the pressing frame 22, the upper driving device 21 drives an upper end of the pressing frame 22 to pivot relative to the frame 10 to approach or separate from the coil 80 at the uncoiler 40, the driving device 23 is mounted on the pressing frame 22, the pressing wheel 24 is mounted at an upper end of the pressing frame 22, an output end of the driving device 23 is connected to the pressing wheel 24, the driving device 23 drives the pressing wheel 24 to rotate, the upper end of the pressing frame 22 is driven to move close to the coil 80 by operating the upper driving device 21, so that the pressing wheel 24 slightly presses the position where the coil 80 outputs the coil, the coil 80 to prevent the coil 80 from being loosened, and simultaneously operating, the plate can be led out in an auxiliary mode, and the plate output speed of the coil 80 can be increased. Specifically, the driving device 23 includes a motion motor 231 and a transmission assembly 232 having an output end and an input end, the output end of the motion motor 231 is connected to the input end of the transmission assembly 232, and the pressing wheel 24 is mounted at the output end of the transmission assembly 232, for example, the transmission assembly 232 is a belt wheel structure, but of course, the transmission assembly 232 may also be a chain wheel structure according to actual needs, and the power of the motion motor 231 can be transmitted to drive the pressing wheel 24 to rotate, so the invention is not limited thereto. More specifically, the upper driving device 21 includes an upper driving cylinder 211, an upper rotating shaft 212 and an upper swing part 213, the upper rotating shaft 212 is rotatably assembled to the frame 10, a cylinder body of the upper driving cylinder 211 is hinged to the frame 10, an output end of the upper driving cylinder 211 is hinged to one end of the upper swing part 213, the other end of the upper swing part 213 is fixedly connected to a first end of the upper rotating shaft 212, a second end of the upper rotating shaft 212 is fixedly connected to a lower end of the pressing frame 22, and the upper driving device 21 is simple in structure and easy and convenient to operate.

The operation principle of the coil stock feeding device 100 of the present invention is explained with reference to fig. 1 to 7: the coil 80 is sleeved on the tension plate 414, the cylinder 421 is operated to move, the piston rod of the cylinder 421 retracts to drive the push-pull rod 422 to move leftward, the sliding shaft sleeve 412 is driven to slide leftward on the hollow shaft 411 under the guidance of the guide structure 416, at this time, the parallel four-bar linkage formed by the two connecting rods 415, the tension plate 414 and the sliding shaft sleeve 412 swings and rotates, so that the sliding shaft sleeve 412 drives the tension plate 414 to move away from the sliding shaft sleeve 412 under the cooperation of the connecting rods 415 and the axial blocking structure 4141, at this time, the two wheels 4142 arranged on the tension plate 414 slide or roll along the disc body 413, the tension plate 414 moves away in a translation manner relative to the sliding shaft sleeve 412, and finally, the tension plate 414 is attached to the inner cavity of the coil 80 to tension the coil 80. Then, the driving motor 431 is operated to operate, and the power of the driving motor 431 drives the hollow shaft 411 to rotate through the conduction of the transmission structure 432 (such as belt transmission), so as to drive the tensioning mechanism 41 to rotate, and thus, the automatic uncoiling of the coil 80 is realized. Meanwhile, the upper driving cylinder 211 is operated to move according to the size of the coil 80, the upper driving cylinder 211 drives the upper swing part 213 to swing around the upper rotating shaft 212, so as to drive the upper rotating shaft 212 to rotate, so that the pressing frame 22 swings relative to the frame 10, the pressing wheel 24 is finally slightly pressed to the position where the coil 80 outputs the sheet, meanwhile, the driving device 23 is operated to move, and the movement motor 231 moves and drives the pressing wheel 24 to rotate through the power transmission of the transmission assembly 232 (such as a belt wheel structure), so as to assist in leading out the sheet. When the sheet material is continuously conveyed to form the unfolded part 90 of the coil 80, the sensing device 33 senses the sagging amplitude of the unfolded part 90 in real time, that is, the communication transmission between the transmitters 3312 on the transmitting unit 331 and the corresponding receivers 3322 is blocked by the unfolded part 90, the blocked part is the sagging amplitude of the unfolded part 90, at this time, the sensing device 33 transmits a signal to the controller, the controller receives the sensing signal input by the sensing device 33 and then inputs a feedback signal to the downward driving device 31, the downward driving cylinder 311 drives the downward swinging part 313 to swing around the downward rotating shaft 312 according to the feedback signal, so as to drive the downward rotating shaft 312 to rotate, so that the bracket 32 swings in a pivot manner relative to the rack 10, thereby changing the supporting height of the unfolded part 90 by the bracket 32, avoiding the excessive sagging of the unfolded part 90, and the unfolded part 90 is also clamped into the guide cavity 3231 in the guide device 323 when being supported by the bracket 32, the shaking of the unfolded part 90 during the transportation is avoided, and the working principle is as above.

Compared with the prior art, the coil feeding device 100 of the present invention comprises a frame 10, a pressing mechanism 20, a material supporting mechanism 30 and an uncoiler 40, wherein the pressing mechanism 20 and the material supporting mechanism 30 are installed on the frame 10, the pressing mechanism 20 is located beside the uncoiler 40, the pressing mechanism 20 is located above the material supporting mechanism 30, the uncoiler 40 comprises a tensioning mechanism 41, a tensioning driving mechanism 42 and an uncoiling driving mechanism 43 installed on the frame 10, the tensioning mechanism 41 comprises a hollow shaft 411, a sliding shaft sleeve 412, a tray 413 and a plurality of tensioning plates 414, the tray 413 is fixedly sleeved on the hollow shaft 411 so that the hollow shaft 411 is divided into a first end and a second end, the first end of the hollow shaft 411 is rotatably assembled on the frame 10, the sliding shaft sleeve 412 is slidably sleeved on the second end of the hollow shaft 411, all the tensioning plates 414 are arranged in a circle outside the sliding shaft sleeve 412 along the circumferential direction of the sliding shaft sleeve 412, two connecting rods 415 are arranged between each tension plate 414 and the sliding shaft sleeve 412, the two connecting rods 415, one tension plate 414 and the sliding shaft sleeve 412 together form a parallel four-bar linkage, the tension plate 414 is further arranged in the disc body 413 in a penetrating manner and can slide along the radial direction of the disc body 413, the tension plate 414 is provided with an axial blocking structure 4141 for blocking the tension plate 414 from sliding relative to the disc body 413 along the axial direction of the disc body 413, a guide structure 416 is arranged between the sliding shaft sleeve 412 and the hollow shaft 411, the output end of the uncoiling drive mechanism 43 is connected to the first end of the hollow shaft 411, the uncoiling drive mechanism 43 drives the hollow shaft 411 to rotate, the output end of the tension drive mechanism 43 penetrates through the hollow shaft 411 along the axial direction of the disc body 413 and is connected with the sliding shaft sleeve 412, the tension drive mechanism 42 drives the sliding shaft sleeve 412 to slide back and forth under the guide of the guide structure 416 on the hollow shaft 411, and the sliding shaft sleeve 412 drives the tension plate 414 to move close Due to the arrangement of the guiding structure 416, the sliding sleeve 412 can slide smoothly along the hollow shaft 411, so that the expanding or retracting process of the tensioning plate 414 is smooth and stable.

The above disclosure is only a preferred embodiment of the present invention, and the scope of the claims of the present invention should not be limited thereby, and all the equivalent changes made in the claims of the present invention are intended to be covered by the present invention.

Claims (10)

1. A coil feeding device comprises a rack, a pressing mechanism, a material supporting mechanism and an uncoiler, wherein the pressing mechanism and the material supporting mechanism are arranged on the side of the uncoiler, the pressing mechanism is positioned above the material supporting mechanism, the uncoiler comprises a tensioning mechanism, a tensioning driving mechanism and an uncoiling driving mechanism, the tensioning driving mechanism and the uncoiling driving mechanism are arranged on the rack, the coil is fixedly sleeved on the hollow shaft so as to enable the hollow shaft to be divided into a first end and a second end, the first end of the hollow shaft is rotatably assembled on the rack, the sliding shaft sleeve is slidably sleeved on the second end of the hollow shaft, all the tensioning plates are arranged in a circle on the outer side of the sliding shaft sleeve along the circumferential direction of the sliding shaft sleeve, and two connecting rods are arranged between each tensioning plate and the sliding shaft sleeve, two connecting rods, one tight board that rises reaches the slip axle sleeve constitutes parallel four-bar linkage jointly, the tight board that rises still wears to arrange in the disk body can be followed the radial of disk body slides, be equipped with on the tight board that rises and block the tight board that rises along the axial of disk body is relative the axial that the disk body slided blocks the structure, slip axle sleeve with be provided with guide structure between the hollow shaft, open a book actuating mechanism's output connect in the first end of hollow shaft, open a book actuating mechanism drive the hollow shaft rotates, tight actuating mechanism's output is followed the axial of disk body passes the hollow shaft and with the slip axle sleeve is connected, tight actuating mechanism drive the slip axle sleeve in guide structure's direction under in the reciprocal slip of hollow shaft, by gliding slip axle sleeve drive under the cooperation of connecting rod and axial blocks the structure the tight board that rises and is close to or keeps away from the motion of slip axle sleeve.

2. The coil feeder apparatus of claim 1, wherein said guide structure includes a guide slot opening in one of said sliding sleeve and said hollow shaft and a guide block in the other of said sliding sleeve and said hollow shaft, said guide block being located in said guide slot, said axial blocking structure including two wheels, said wheels gripping said tray body axially from said tray body.

3. The coil feeding device according to claim 1, wherein the tensioning driving mechanism comprises an air cylinder and a push-pull rod, the air cylinder is mounted on the frame, an output end of the air cylinder is connected to a first end of the push-pull rod, the push-pull rod is arranged in the hollow shaft, a second end of the push-pull rod penetrates out of the hollow shaft, and a bearing is sleeved between the push-pull rod and the sliding shaft sleeve; the uncoiling driving mechanism comprises a driving motor and a transmission structure with an input end and an output end, the driving motor is installed on the rack, the output end of the driving motor is connected to the input end of the transmission structure, and the output end of the transmission structure is connected to the hollow shaft.

4. The coil feeding apparatus according to claim 3, further comprising a controller electrically connected to the material supporting mechanism, wherein the material supporting mechanism includes a lower driving device, a bracket for supporting the unwound part of the coil on the unwinder from below, and a sensing device for sensing a droop amplitude of the unwound part, the lower driving device and the sensing device are mounted on the frame, the bracket is pivotally connected to the frame, an output end of the lower driving device is connected to the bracket, the controller receives a sensing signal input by the sensing device and inputs a feedback signal to the lower driving device, and the lower driving device selectively drives the bracket to pivotally swing relative to the frame according to the feedback signal to change a supporting height of the bracket for the unwound part.

5. The coil feeder apparatus according to claim 4, wherein the sensor device comprises a transmitter unit and a receiver unit, the transmitter unit is located outside one side of the bracket, the receiver unit is located outside the other side of the bracket, the transmitter unit comprises a transmitter rack and a plurality of transmitters installed on the transmitter rack from top to bottom, and the receiver unit comprises a receiver rack and a plurality of receivers installed on the receiver rack from top to bottom.

6. The coil feeder apparatus according to claim 4, wherein said carrier includes a carrier body, a plurality of carrier rollers mounted on said carrier body from top to bottom and arranged in a front-to-rear direction, and a guide means mounted on said carrier rollers, said guide means having a guide chamber with an open top and being retractable.

7. The coil feeder apparatus of claim 6, wherein said guide means comprises two oppositely disposed guide plates removably mounted to said carrier roller.

8. The apparatus according to claim 4, wherein said lower driving means comprises a lower driving cylinder, a lower rotating shaft and a lower swing member, said lower rotating shaft is rotatably mounted to said frame, a cylinder body of said lower driving cylinder is hinged to said frame, an output end of said lower driving cylinder is hinged to one end of said lower swing member, the other end of said lower swing member is fixed to a first end of said lower rotating shaft, and a second end of said lower rotating shaft is fixedly connected to an upper end of said bracket.

9. The coil feeding device according to claim 4, wherein the pressing mechanism comprises an upper driving device, a pressing frame, a driving device and a pressing wheel, the pressing frame is located above the bracket and pivoted to the frame, the upper driving device is mounted on the frame, an output end of the upper driving device is connected to a lower end of the pressing frame, the upper driving device drives an upper end of the pressing frame to pivot relative to the frame to approach or separate from the coil at the uncoiler, the driving device is mounted on the pressing frame, the pressing wheel is mounted on an upper end of the pressing frame, an output end of the driving device is connected to the pressing wheel, and the driving device drives the pressing wheel to rotate.

10. The coil feeding apparatus according to claim 9, wherein said driving device comprises a motion motor and a transmission assembly having an output end and an input end, the output end of said motion motor is connected to the input end of said transmission assembly, and said pressing roller is mounted to the output end of said transmission assembly; go up the drive arrangement including last drive cylinder, go up the axis of rotation and go up the goods of furniture for display rather than for use, go up the axis of rotation be rotationally assemble in the frame, go up the cylinder body that drives the cylinder articulate in the frame, go up the output that drives the cylinder with the one end of going up the goods of furniture for display rather than for use is articulated, go up the other end fixed connection of goods of furniture for display rather than for use in go up the first end of axis of rotation, go up the second end of axis of rotation with the lower extreme fixed connection who.

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