CN215314913U - Manufacturing equipment of reinforcing ring for gravure roller - Google Patents

Abstract

A manufacturing equipment of a reinforcing ring for a gravure roller is characterized in that an unwinding frame, a feeding lead-in device, a length calculating device, a flat iron edge correcting mechanism, a bending mechanism and a hydraulic cutting mechanism are sequentially arranged on the basis of a flat iron bending machine, flat iron placed on a flat iron disc on the unwinding frame sequentially passes through the 5 mechanisms or devices, the flatness of the front plane and the flatness of the rear plane of the flat iron are respectively corrected, the required length of the flat iron of each reinforcing ring is measured, the flatness of the upper plane and the lower plane of the flat iron are corrected, the flat iron is bent, and finally the reinforcing ring bent into 360 degrees is cut. The manufacturing equipment can realize continuous and full-automatic production of the reinforcing ring, effectively improves the operating environment, improves the production efficiency, ensures the product quality and greatly reduces the labor intensity of operators.

Description

Manufacturing equipment of reinforcing ring for gravure roller

Technical Field

The utility model relates to the technical field of gravure printing roller manufacturing, in particular to manufacturing equipment of a reinforcing ring for a gravure printing roller.

Background

In the home decoration surface printing industry, intaglio printing accounts for about 85% of printing modes, all printing rollers adopt intaglio rollers, and the common specifications of the intaglio rollers are as follows: the diameter phi is 296 mm-414 mm; the length is 1350-1600 mm; the thickness of the cylinder wall is 8-10 mm. In the processing process and the printing use process of the gravure roller, if 2 or more than 2 reinforcing rings are not installed and welded in the cylinder of the gravure roller, the gravure roller generates slight vibration, and therefore the manufacturing precision and the printing precision of the gravure roller are influenced. Therefore, after demonstration, the reinforcing rings with the shock absorption function are welded on the inner wall of the gravure roller cylinder, so that good quality assurance and good economic benefit can be obtained.

At present, the reinforcing ring is produced by manual flame cutting, namely, on a steel plate with the thickness of 8mm, inner and outer circle marks with various specifications are uniformly arranged and marked by compasses, and then an operator adopts a portable cutting torch (cutting gun) to carry out cutting forming. According to the common specification of the hollow gravure plate roller, the external dimensions of the corresponding reinforcing ring are as follows: the thickness is 8 mm; the diameter of the excircle is phi 275 mm-phi 388 mm; the diameter of the inner circle is phi 215 mm-phi 328mm, and the material is as follows: a3 steel sheet.

Such a production method brings about the following disadvantages: low production efficiency, no guarantee of quality, high labor intensity of operators, environmental pollution, wide occupied area and the like.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a manufacturing device of a reinforcing ring for a gravure roller, which can realize continuous and full-automatic production, effectively improve the operating environment, improve the production efficiency, ensure the product quality and greatly reduce the labor intensity of operators.

The technical solution proposed by the present invention is as follows: a manufacturing equipment of a reinforcing ring for a gravure roller comprises a flat iron bending machine, wherein the flat iron bending machine is provided with a flat iron edge correcting mechanism and a bending mechanism, a plurality of pairs of 1 st upper pressing wheels and 1 st fixed wheels which are arranged up and down and provided with 1 st adjusting bolts are transversely arranged to form the flat iron edge correcting mechanism, the bending mechanism consists of 5 th adjusting bolts, bending pressing wheels, 6 th adjusting bolts, 2 nd upper pressing wheels and 2 nd fixed wheels, an unreeling frame is further arranged, a length calculating device and a feeding lead-in device are sequentially arranged between the unreeling frame and the flat iron edge correcting mechanism, and a hydraulic cutting mechanism is arranged below the bending mechanism of the flat iron bending machine; the flat iron plate is sleeved on a main shaft and a rotating disc of the unreeling frame, the discharged flat iron sequentially penetrates through the feeding and guiding device, the length calculating device, the flat iron edge correcting mechanism, the bending mechanism and the hydraulic cutting mechanism, a group of adjustable guide wheels and a group of fixed guide wheels of the feeding and guiding device are connected with the flat iron in a sliding contact mode, a counting wheel and a pressing wheel of the length calculating device are connected with the flat iron in a compression and sliding contact mode, a rotating shaft of the counting wheel is rigidly connected with a rotating shaft of an encoder through a coupler, a plurality of pairs of 1-th upper pressing wheels and 1-th fixed wheels of the flat iron edge correcting mechanism are connected with the flat iron in a sliding contact mode, the flat iron is connected with the 2-th upper pressing wheel, the 2-th fixed wheel and the bending pressing wheel in a sliding contact mode, and the flat iron which is bent downwards is connected with a punching cutter and a bottom cutter of the hydraulic cutting mechanism in a sliding contact mode.

The unwinding frame mainly comprises a main shaft, a rotary table, main shaft bearing seats, rotary table supporting bearing seats, a central positioning device and a frame, wherein the main shaft is vertically and fixedly installed in the center of the frame through an upper main shaft bearing seat and a lower main shaft bearing seat, the rotary table supporting bearing seats are respectively and fixedly installed at the outer end parts of 5 radial connecting rods on the upper layer of the frame, the rotary table is placed on the 5 rotary table supporting bearing seats, and the rotary table and the central positioning device installed in the center of the rotary table are connected with the main shaft in a matched mode.

The feeding and guiding device mainly comprises a group of adjustable guide wheels, a group of fixed guide wheels, sliders, a 2 nd adjusting bolt and a base, wherein 4 fixed guide wheels are arranged on the base through rotating shafts of the 4 adjustable guide wheels, the 4 adjustable guide wheels are respectively arranged on the 4 sliders through rotating shafts of the adjustable guide wheels, the distance between each adjustable guide wheel and the corresponding fixed guide wheel is adjusted through the 2 nd adjusting bolt, and the base is fixedly arranged on a workbench of the flat iron bending machine.

The length calculating device mainly comprises an encoder, a counting wheel, a pressing wheel, a3 rd adjusting bolt and a base, wherein a rotating shaft of the encoder is rigidly connected with a rotating shaft of the counting wheel through a coupler, the pressing wheel is adjusted to be spaced from the counting wheel through the 3 rd adjusting bolt, and the base is fixedly arranged on a workbench of the flat iron bending machine.

The hydraulic cutting mechanism mainly comprises a hydraulic cylinder, a 4 th adjusting bolt, a punching cutter, a bottom cutter, a cutter frame seat and a 1 st base, wherein the punching cutter, the bottom cutter and the hydraulic cylinder are connected and installed on the cutter frame seat, and the 1 st base is fixedly installed on a workbench of the flat iron bending machine.

Compared with the prior art, the utility model has the following beneficial effects:

1. the reinforcing ring manufacturing equipment is characterized in that a hydraulic cutting mechanism 2, a length calculating device 5, a feeding and introducing device 6 and a flat iron plate unwinding frame 8 are additionally arranged on the basis of a commercially available flat iron bending machine (the model is JB-KOB 38), so that the continuous and full-automatic production of the reinforcing ring for the gravure roller can be realized. The production efficiency is greatly improved, and the productivity is more than 10 times of that of the original manual operation.

2. The loss of raw and other materials is reduced, if the steel plate is used for manual cutting processing, the steel loss of 3 excircle handing-over positions and each inner circle can not be avoided, and meanwhile, the production cost is also reduced.

3. The roundness of the reinforcing ring can be ensured, adverse factors of edge accumulation and slag cutting caused by flame cutting are eliminated, and the product quality is improved.

4. Because flame cutting is not needed any more, carbon emission is reduced, the environment pollution caused by waste gas is avoided, and the operation safety is improved.

5. Because the operation is carried out on fixed equipment, full-automatic operation can be realized after feeding, and the labor intensity of operators is greatly reduced.

Drawings

Fig. 1 is a schematic view of the overall configuration of a manufacturing apparatus of a reinforcing ring for a gravure roll according to the present invention.

Fig. 2 is a schematic top view of the unwind stand of fig. 1.

Fig. 3 is a schematic structural view of the spindle and the centering device of the unreeling rack shown in fig. 2.

Fig. 4 is a schematic structural view of the spindle, the turntable and the centering device of the unreeling rack shown in fig. 2.

Fig. 5 is a schematic structural view of the feed introduction device shown in fig. 1.

Fig. 6 is a schematic structural view of the length calculating device shown in fig. 1.

Fig. 7 is a schematic structural view of the hydraulic cutting mechanism shown in fig. 1.

Fig. 8 is a front view of the completed reinforcing ring.

Fig. 9 is a left side schematic view of fig. 8.

Detailed Description

The utility model is illustrated in further detail by the following examples.

Referring to fig. 1 to 9, a manufacturing device of a reinforcing ring for a gravure roller comprises a flat iron bending machine 1, wherein the flat iron bending machine 1 is provided with a flat iron edge correcting mechanism 4 and a bending mechanism 3, a plurality of pairs of 1 st upper pinch rollers 4-2 and 1 st fixed wheels 4-3 which are arranged up and down and provided with 1 st adjusting bolts 4-1 are transversely arranged to form the flat iron edge correcting mechanism 4, the bending mechanism 3 consists of 5 th adjusting bolts 3-1, bending pinch rollers 3-5, 6 th adjusting bolts 3-4, 2 nd upper pinch rollers 3-2 and 2 nd fixed wheels 3-3, a unreeling frame 8 is further arranged, a length calculating device 5 and a feeding device 6 are sequentially arranged between the unreeling frame 8 and the flat iron edge correcting mechanism 4, and a hydraulic cutting mechanism 2 is arranged below the bending mechanism 3 of the flat iron bending machine 1; the flat iron plate 7 is sleeved on a main shaft 8-1 and a rotating disc 8-2 of the unreeling frame 8, the applied flat iron 7-1 sequentially passes through the feeding and guiding device 6, the length calculating device 5, the flat iron edge correcting mechanism 4, the bending mechanism 3 and the hydraulic cutting mechanism 2, a group of adjustable guide wheels 6-1 and a group of fixed guide wheels 6-4 of the feeding and guiding device 6 are connected with the flat iron 7-1 in a sliding contact manner, a counting wheel 5-2 and a pressing wheel 5-3 of the length calculating device 5 are connected with the flat iron 7-1 in a compression-joint sliding contact manner, a rotating shaft of the counting wheel 5-2 is rigidly connected with a rotating shaft of the encoder 5-1 through a coupler, a plurality of pairs of 1-th upper pressing wheels 4-2 and 1-th fixed wheels 4-3 of the flat iron edge correcting mechanism are connected with the flat iron 7-1 in a sliding contact manner, the flat iron 7-1 and the 2-th upper pressing wheels 3-2 of the bending mechanism 3, The No. 2 fixed wheel 3-3 is connected with the bending pinch roller 3-5 in a sliding contact way, and the flat iron 7-1 which is bent downwards is connected with the punching knife 2-3 and the bottom knife 2-4 of the hydraulic cutting mechanism 2 in a sliding contact way.

The unreeling frame 8 mainly comprises a main shaft 8-1, a rotary table 8-2, main shaft bearing seats 8-3, rotary table supporting bearing seats 8-4, a central positioning device 8-5 and a frame 8-6, wherein the main shaft 8-1 is vertically and fixedly arranged in the center of the frame 8-6 through an upper main shaft bearing seat and a lower main shaft bearing seat 8-3, the rotary table supporting bearing seats 8-4 are respectively and fixedly arranged at the outer ends of 5 radial connecting rods on the upper layer of the frame 8-6, the rotary table 8-2 is placed on the 5 rotary table supporting bearing seats 8-3, and the rotary table 8-2 and the central positioning device 8-5 arranged in the center of the rotary table 8-2 are in matched connection with the main shaft 8-1.

The feeding and guiding device 6 mainly comprises a group of adjustable guide wheels 6-1, a group of fixed guide wheels 6-4, a sliding block 6-2, a 2 nd adjusting bolt 6-3 and a base 6-5, wherein 4 fixed guide wheels 6-4 are arranged on the base 6-5 through rotating shafts of the fixed guide wheels, 4 adjustable guide wheels 6-1 are respectively arranged on 4 sliding blocks 6-2 through rotating shafts of the adjustable guide wheels, the distance between each adjustable guide wheel 6-1 and the corresponding fixed guide wheel 6-4 is adjusted through the 2 nd adjusting bolt 6-3, and the base 6-5 is fixedly arranged on a workbench of the flat iron bending machine 1.

The length calculating device 5 mainly comprises an encoder 5-1, a counting wheel 5-2, a pressing wheel 5-3, a3 rd adjusting bolt 5-4 and a base 5-5, a rotating shaft of the encoder 5-1 is rigidly connected with a rotating shaft of the counting wheel 5-2 through a coupler, the pressing wheel 5-3 adjusts the distance between the pressing wheel 5-3 and the counting wheel 5-2 through the 3 rd adjusting bolt 5-4, and the base 5-5 is fixedly arranged on a workbench of the flat iron bending machine 1.

The hydraulic cutting mechanism 2 mainly comprises a hydraulic cylinder 2-1, a 4 th adjusting bolt 2-2, a punching cutter 2-3, a bottom cutter 2-4, a tool rest base 2-5 and a 1 st base 2-6, wherein the punching cutter 2-3, the bottom cutter 2-4 and the hydraulic cylinder 2-1 are connected and installed on the tool rest base 2-5, and the 1 st base 2-6 is fixedly installed on a workbench of the flat iron bending machine 1.

The following describes some structures and operations of the manufacturing apparatus of the reinforcing ring in detail:

in this example, the following outsourcing parts were used: the flat iron bending machine 1 is JB-KOB 38; the hydraulic cylinder is 2-1, and the model is HOB80X 75; the encoder 5-1 is of the type E405-6G 12-24C-1000B-2M. The external dimension of the flat iron plate 7 is as follows: the diameter of the outer circle is 135cm, the diameter of the inner circle is 50cm, the thickness is 3cm, and the thickness of the flat iron is 7-1 and 0.8 cm. The central positioning device 8-5 is composed of a metal ring and 4-6 hexagon head bolts, the metal ring is welded and fixed at the center of the rotary table 8-2, namely the metal ring is concentric with the rotary table 8-2, 4-6 hexagon head bolts are radially and uniformly distributed on the horizontal plane of the middle part of the metal ring, the flat iron disc 7 loosens after being loosely bound, several circles of flat iron 7-1 in the inner circle of the flat iron disc can rebound to the main shaft 8-1, and the center of the flat iron disc 7 deviates from the center of the rotary table 7, so that the flat iron disc 7 is prevented from flexibly rotating and discharging, the central positioning device 8-5 is required to be arranged, and the flat iron disc 7 is concentric with the rotary table 8-2 again by adjusting the advance and retreat of the hexagon head bolts.

The feeding and guiding device 6 adjusts the distance between the adjustable guide wheel 6-1 and the fixed guide wheel 6-4 by adjusting the 2 nd adjusting bolt 6-3, when the distance between the flat iron 7-1 passes through, the flatness of two side surfaces of the flat iron 7-1 is corrected, the flat iron 7-1 cannot shift or incline left and right when entering the bending mechanism 3, and the flat surface of the bent reinforcing ring 9 is ensured to be flat.

The punching knife 2-3 and the bottom knife 2-4 of the hydraulic cutting mechanism 2 are connected with the hydraulic cylinder 2-1 and installed on the knife rest base 2-5, when the length calculating device 5 sends a signal to a reversing valve in a hydraulic system to change the direction of an oil path, the punching knife 2-3 performs punching action to cut off the flat iron 7-1 with the specified length to form a finished product of the reinforcing ring 9. When the diameter of the reinforcing ring 9 is changed, the bent shape and position of the flat iron 7-1 are also changed, and at the moment, the corresponding position between the tool rest seat 2-5 and the No. 1 base 2-6 is adjusted by the No. 4 adjusting bolt 2-2 through the tool rest seat 2-5, so that the flat iron 7-1 is completely cut off.

The action part for bending the flat iron 7-1 into a circular ring shape consists of a bending mechanism 3 and a flat iron edge correcting mechanism 4, wherein a 2 nd upper pressing wheel 3-2 and a 2 nd fixed wheel 3-3 of the bending mechanism 3, and a 1 st upper pressing wheel 4-2 and a 1 st fixed wheel 4-3 of the flat iron edge correcting mechanism 4 are in transmission of the same group of gear pairs, namely the 1 st upper pressing wheels 4-2 and 3-2 and the 1 st fixed wheels 4-3 and 3-3 of the flat iron edge correcting mechanism 4 are in reverse rotation at the same speed, so that the effect of pulling the flat iron 7-1 to move forward and feed is achieved.

The flat iron edge rectifying mechanism 4 consists of four groups of 1 st adjusting bolts 4-1, 1 st upper pressing wheels 4-2 and 1 st fixed wheels 4-3. The distance between the upper pinch roller 4-2 and the fixed wheel 1 is changed by adjusting the adjusting bolt 4-1 to generate certain pressure on the upper plane and the lower plane of the flat iron 7-1, so that the upper plane and the lower plane of the flat iron 7-1 are corrected, and the upper front surface and the lower front surface and the rear surface of the flat iron 7-1 entering the bending mechanism 3 are parallel and straight.

The bending mechanism 3 consists of 5 th and 6 th adjusting bolts 3-1 and 3-4, a bending pinch roller 3-5, a 2 nd upper pinch roller 3-2 and a 2 nd fixed wheel 3-3. The distance between the bending pinch roller 3-5 and the 2 nd upper pinch roller 3-2 and the 2 nd fixed roller 3-3 is changed by adjusting the 5 th adjusting bolt 3-1, meanwhile, the moving direction of the flat iron 7-1 can be changed by the bending pinch roller 3-5, and a downward bending change trend is played, namely, at the moment, the material on one side of the flat iron 7-1, which is close to the bending pinch roller 3-5 and the 2 nd upper pinch roller 3-2, is stretched, and the material on one side of the flat iron 7-3, which is close to the 2 nd fixed roller 3-3, is compressed, so that a material plastic deformation phenomenon occurs, the flat iron 7-1 tends to change from a straight line to an arc shape, so that the flat iron gradually changes to a circular ring shape, and finally becomes a finished product, namely the reinforcing ring 9 after 360-degree bending and cutting.

The power train of the flat iron bending machine 1 is such that:

firstly, a hydraulic station drives a hydraulic motor, and the hydraulic motor is transmitted to an input shaft of a worm and worm gear reducer through a chain wheel; an output shaft of the worm and worm gear reducer drives a pressing wheel group on the bending mechanism 3 and the flat iron edge rectifying mechanism 4 through a gear group, so that the effects of dragging the flat iron 7-1 to convey and bending the flat iron 7-1 are achieved.

Meanwhile, the hydraulic station changes the flow direction of the oil circuit entering the hydraulic cylinder through a hydraulic reversing valve, so that the function of punching the flat iron 7-1 is achieved.

The working process of the manufacturing equipment of the reinforcing ring 9 is as follows:

firstly, the telescopic length of 4 bolts on a central positioning device 8-5 on a rotary table 8-2 is adjusted to enable the center of a flat iron plate 7 to be positioned at the central position of the rotary table 8-2, so that the flat iron plate can flexibly rotate.

Secondly, the packaging belt of the flat iron plate 7 is disassembled, the flat iron 7-1 is inserted into the feeding and guiding device 6, then the flat iron passes through the length calculating device 5, and then the flat iron enters between 4 pairs of the 1 st upper pinch roller 4-2 and the 1 st fixed wheel 4-3 of the flat iron edge rectifying mechanism 4 on the flat iron bending machine 1 and between the 2 nd upper pinch roller 3-2, the bending pinch roller 3-5 and the 2 nd fixed wheel 3-3 of the bending mechanism 3, and the whole material penetrating process is completed.

And thirdly, adjusting the distance between an adjustable guide wheel 6-1 and a fixed guide wheel 6-4 on the feeding and guiding device 6 through a 2 nd adjusting bolt 6-3 according to the thickness of the flat iron 7-1 to achieve the purpose of correcting the flatness of the front plane and the back plane of the flat iron 7-1.

Fourthly, adjusting a pressing wheel 5-3 on the length calculating device 5 until the flat iron 7-1 is tightly attached to the counting wheel 5-2, and achieving the purpose of accurately measuring the length of the flat iron 7-1.

Fifthly, the distance between the 1 st upper pinch roller 4-2 of the flat iron edge correcting mechanism on the flat iron bending machine 1 and the corresponding 1 st fixed wheel 4-3 is adjusted through the 1 st adjusting bolt 4-1, so that the flatness of the upper plane and the lower plane of the flat iron 7-1 is corrected.

Sixthly, setting the cutting length of each reinforcing ring 9 on an electric controller of the flat iron bending machine 1 according to the diameters of the reinforcing rings with different specifications.

After the adjustment and the setting are completed, a power supply of the flat iron bending machine 1 is started to drive the flat iron edge correcting mechanism 4 and a pressing wheel set of the bending mechanism 3 to perform flat iron bending action, and the reinforcing ring 9 is produced.

And (8) adjusting the distance between a bending pinch roller 3-5 and a No. 2 fixed wheel 3-3 of the flat iron bending machine 1 according to the bending condition of the flat iron 7-1 for the first time, and finally accurately finishing the manufacture of the reinforcing ring 9 with the set diameter.

Claims (5)

1. The utility model provides a manufacture equipment of reinforcing ring that gravure roller was used, including band iron bending machine (1), this band iron bending machine (1) is equipped with band iron and entangles limit mechanism (4) and bending mechanism (3), a plurality of 1 that have 1 adjusting bolt (4-1) to arranging about have pinch roller (4-2) and 1 tight pulley (4-3) transverse arrangement constitute band iron and entangle limit mechanism (4), bending mechanism (3) are by 5 adjusting bolt (3-1), crooked pinch roller (3-5), 6 adjusting bolt (3-4), 2 go up pinch roller (3-2) and 2 tight pulley (3-3) and constitute its characterized in that: the flat iron edge correcting device is characterized by also comprising an unwinding frame (8), a length calculating device (5) and a feeding and guiding device (6) are sequentially arranged between the unwinding frame (8) and the flat iron edge correcting mechanism (4), and a hydraulic cutting mechanism (2) is arranged below a bending mechanism (3) of the flat iron bending machine (1); a flat iron plate (7) is sleeved on a main shaft (8-1) and a rotating disc (8-2) of an unreeling frame (8), the applied flat iron (7-1) sequentially passes through a feeding lead-in device (6), a length calculating device (5), a flat iron edge correcting mechanism (4), a bending mechanism (3) and a hydraulic cutting mechanism (2), a group of adjustable guide wheels (6-1) and a group of fixed guide wheels (6-4) of the feeding lead-in device (6) are connected with the flat iron (7-1) in a sliding contact mode, a counting wheel (5-2) and a pressing wheel (5-3) of the length calculating device (5) are connected with the flat iron (7-1) in a compression-connection sliding contact mode, a rotating shaft of the counting wheel (5-2) is rigidly connected with a rotating shaft of an encoder (5-1) through a coupler, and a plurality of pairs of an upper pressing wheel (1) and a fixed wheel (4-3) of the flat iron edge correcting mechanism are connected with the flat iron (7-1) in a sliding mode The flat iron (7-1) is in sliding contact connection with the 2 nd upper pressing wheel (3-2), the 2 nd fixed wheel (3-3) and the bending pressing wheel (3-5) of the bending mechanism (3), and the flat iron (7-1) which is bent downwards is in sliding contact connection with the punching cutter (2-3) and the bottom cutter (2-4) of the hydraulic cutting mechanism (2).

2. The manufacturing equipment of the reinforcing ring for the gravure roller according to claim 1, characterized in that the unreeling rack (8) mainly comprises a main shaft (8-1), a turntable (8-2), a main shaft bearing seat (8-3), a turntable supporting bearing seat (8-4), a central positioning device (8-5) and a rack (8-6), wherein the main shaft (8-1) is vertically and fixedly installed in the center of the rack (8-6) through an upper main shaft bearing seat and a lower main shaft bearing seat (8-3), the outer ends of 5 radial connecting rods on the upper layer of the rack (8-6) are respectively and fixedly provided with the turntable supporting bearing seats (8-4), the turntable (8-2) is placed on the 5 turntable supporting bearing seats (8-3), and the turntable (8-2) and the central positioning device (8-5) installed in the center of the turntable (8-2) are matched and connected with the main shaft (8-1) .

3. The manufacturing equipment of the reinforcing ring for the gravure roller according to claim 1 is characterized in that the feeding and guiding device (6) mainly comprises a group of adjustable guide wheels (6-1), a group of fixed guide wheels (6-4), a sliding block (6-2), a 2 nd adjusting bolt (6-3) and a base (6-5), wherein the 4 fixed guide wheels (6-4) are arranged on the base (6-5) through rotating shafts of the fixed guide wheels, the 4 adjustable guide wheels (6-1) are respectively arranged on the 4 sliding blocks (6-2) through rotating shafts of the adjustable guide wheels, the distance between the adjustable guide wheels and the corresponding fixed guide wheels (6-4) is adjusted through the 2 nd adjusting bolt (6-3), and the base (6-5) is fixedly arranged on a workbench of the flat iron bending machine (1).

4. The manufacturing equipment of the reinforcing ring for the gravure roller according to claim 1, characterized in that the length calculating device (5) mainly comprises an encoder (5-1), a counting wheel (5-2), a pressure roller (5-3), a3 rd adjusting bolt (5-4) and a base (5-5), wherein a rotating shaft of the encoder (5-1) is rigidly connected with a rotating shaft of the counting wheel (5-2) through a coupler, the pressure roller (5-3) is adjusted to be spaced from the counting wheel (5-2) through the 3 rd adjusting bolt (5-4), and the base (5-5) is fixedly arranged on a workbench of the flat iron bending machine (1).

5. The manufacturing equipment of the reinforcing ring for the gravure roller according to claim 1 is characterized in that the hydraulic cutting mechanism (2) mainly comprises a hydraulic cylinder (2-1), a 4 th adjusting bolt (2-2), a punching cutter (2-3), a bed knife (2-4), a cutter frame seat (2-5) and a 1 st base (2-6), wherein the punching cutter (2-3), the bed knife (2-4) and the hydraulic cylinder (2-1) are connected and installed on the cutter frame seat (2-5), and the 1 st base (2-6) is fixedly installed on a workbench of the flat iron bending machine (1).

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