CN217191656U

CN217191656U - Double-channel cold-rolled coil feeding device

Info

Publication number: CN217191656U
Application number: CN202220497135.3U
Authority: CN
Inventors: 王进; 闫智江; 孙庆华; 张彬; 邱浩杰
Original assignee: Qingdao Leiting Heavy Industry Co Ltd
Current assignee: Qingdao Leiting Heavy Industry Co Ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-08-16
Anticipated expiration: 2032-03-07

Abstract

The utility model discloses a double-channel cold-rolled coil feeding device, which comprises a base and is characterized in that a double-channel rotating arm and a driving device for driving the double-channel rotating arm are arranged on the base, and the driving device and the double-channel rotating arm are connected and driven through a transmission mechanism; a guide output mechanism is arranged on the top surface of the transmission mechanism and is positioned right above the double-channel rotating arm; guide rollers are rotatably arranged in the double-channel rotating arm and the guide output mechanism; the scheme can effectively solve the phenomena of wire knotting, coil disorder and breakage caused when the rolling mill is vertically lifted to coil due to high speed, reduces the damage of the friction of the wire during output, and provides reliable technical support for improving the speed, the yield and the benefit of cold rolling wire rolling.

Description

Double-channel cold-rolled coil feeding device

Technical Field

The utility model relates to a ferrous metallurgy technical field, concretely relates to binary channels cold rolling is coiled loading attachment.

Background

In the eighties of the last century, China begins to produce ribbed threaded reinforcing steel bars by using a cold rolling method, hot-rolled plain carbon steel or low-alloy coils are used as raw materials, the performance of the raw materials is superior to that of traditional cold-drawn steel wires, the cold rolling technology and the production scale are rapidly developed, and along with the progress of the rolling mill technology and the research and development of new equipment, the cold rolling speed is continuously improved from the initial 200 m/min to the current 800 m/min; the improvement of the rolling speed increases the yield, improves the economic benefit, and simultaneously provides a new subject for the traditional process and equipment; from most manufacturers at present, a bottleneck problem is exposed, namely, a coil feeding device cannot adapt to the increasing speed of a rolling mill, and the phenomena of knotting and breaking of wires are frequently generated during feeding, so that the rolling line is stopped, and the production efficiency and the economic benefit are seriously influenced.

The coil loading devices currently in use are mainly in the following ways: a feeding rack (storage coil), a transfer trolley, a lifting tray and a core winding rack; the feeding method is characterized in that a raw material coil is sleeved on a core winding frame, a wire rod is pulled by a pinch roll or a rolling mill to spirally rise, the coil cannot be automatically opened, knotting or breaking easily occurs, the feeding device can be used on a production line of about 800 m/min, but the breaking phenomenon frequently occurs; for rolling speeds greater than 800 m/min, such a feeding device has been unable to match the mill speed; therefore, the problems of raw material knotting and breaking commonly existing in cold rolling feeding are urgently needed to be solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the above-mentioned problem among the prior art, provide a binary channels cold rolling material loading attachment of coiling, can effectively solve and lead to the wire rod that arouses often to tie a knot, indiscriminate circle and rupture phenomenon because of the rolling mill speed is high, provide reliable technical guarantee for cold rolling wire rod rolling improvement speed, increase of production, benefit improvement.

The technical scheme of the utility model is that:

a double-channel cold-rolled coil feeding device comprises a base, and is characterized in that a double-channel rotating arm and a driving device for driving the double-channel rotating arm are arranged on the base, and the driving device is in transmission connection with the double-channel rotating arm through a transmission mechanism; a guide output mechanism is arranged on the transmission mechanism and is positioned right above the double-channel rotating arm; the double-channel rotating arm and the guide output mechanism are provided with guide rollers which are symmetrically distributed.

Preferably, the double-channel rotating arm comprises two corresponding and parallel arc-shaped plates, and the arc-shaped plates are of a human-shaped structure; the tops of the two arc-shaped plates are connected with a circular tube with a hollow inner part; the arc plates are also fixedly sleeved with flanges for connecting with the transmission mechanism, and the flanges are fixed at the waist positions of the two groups of arc plates; and the arc-shaped plate is also provided with a plurality of first installation slots for installing the guide rollers.

Preferably, the transmission mechanism comprises a case, a hollow shaft for mounting the double-channel rotating arm is arranged in the case, the hollow shaft is vertically and rotatably mounted in the case, and a first bevel gear is fixedly sleeved on the outer wall of the hollow shaft; a second bevel gear meshed with the first bevel gear is further arranged in the case, and the second bevel gear is connected with the driving device through a transmission shaft for transmission; the transmission shaft is rotatably installed on the case through an angular contact bearing, and the transmission shaft is connected with the driving device through a coupler.

Preferably, a gear locking nut used for limiting the position of the bevel gear is arranged on the outer wall of the hollow shaft; the upper end and the lower end of the hollow shaft are respectively rotatably installed on the case through an inner ring flange-free cylindrical roller bearing and a double-row tapered roller bearing; and a grinding gasket is arranged between the circumferential side wall of the double-row tapered roller bearing and the case.

Preferably, a guide pipe is fixedly arranged in the inner cavity of the hollow shaft, the guide pipe vertically corresponds to the round pipe, and the guide pipe is positioned above the round pipe; the round pipe extends into an inner cavity of the hollow shaft, a key used for being connected with the hollow shaft is arranged on the side wall of the round pipe, and a key groove used for being matched with the key is formed in the inner side wall of the inner cavity of the hollow shaft; and the bottom end face of the hollow shaft is provided with bolt holes corresponding to the flanges, and the flanges are fixedly connected with the hollow shaft through bolts.

Preferably, direction output mechanism includes the mounting panel that support and symmetry set up, support fixed mounting be in drive mechanism is last, the mounting panel is vertical to be installed on the support, and offer on the mounting panel and be used for the installation slot two of deflector roll.

Preferably, the guide roller comprises a mandrel and a roller which are coaxially arranged, and the roller is rotatably sleeved on the mandrel through a single-row tapered roller bearing; shaft end baffles for fixing the guide roller are arranged at two ends of the mandrel; the mandrel is also provided with a transparent cover, the transparent cover and the roller are fixed through bolts, and an adjusting gasket is arranged between the transparent cover and the roller.

The utility model has the advantages that:

the utility model provides a binary channels cold rolling coils loading attachment, through adopting the binary channels swinging boom, guaranteed the symmetry on the device structure, centrifugal force is balanced each other when high-speed rotatory, makes rotatory do not have additional force or additional force reduces, has guaranteed the operation of swinging boom steady, two passageways one is used in reserve simultaneously, exchanges the use mutually, has alleviateed the wearing and tearing of deflector roll, if one side deflector roll off-line when maintaining, the opposite side deflector roll still can continue to work; by arranging the guide output mechanism which is perpendicular to the double-channel rotating arm, the wire is ensured to have rolling guide effect all around in the process of rising, and the friction damage of the wire during output is reduced; through the active forward and reverse rotation function of the driving device, the rotation speed is infinitely adjustable, the speed range of the adaptable rolling mill is wide, and the feeding of the high and low speed rolling mill can be adapted; the double-channel rotating arm is driven by the driving device to actively rotate around the coiling reel and coiling ring in the circumferential direction in compliance with the uncoiling trend of the coil, the uncoiling of the coil is smooth, the wire is naturally stretched, the phenomena of knotting, disordering and breaking of the wire caused when the coiling is vertically pulled up due to the high speed of a rolling mill at present are overcome, and reliable technical guarantee is provided for improving the speed, increasing the yield and improving the benefit of the cold-rolled wire rolling.

Drawings

Fig. 1 is a schematic view of the overall structure of a vertical double-channel high-speed rotating cold-rolled coil feeding device provided by the present invention;

fig. 2 is a schematic structural view of a dual-channel rotating arm provided by the present invention;

FIG. 3 is a schematic view of the structure A-A of FIG. 2;

FIG. 4 is a schematic view of the structure E-E in FIG. 1

Fig. 5 is a schematic structural view of the transmission mechanism provided by the present invention;

FIG. 6 is a schematic view of the mechanism of FIG. 5 in the direction C;

fig. 7 is a schematic view of a catheter structure provided by the present invention;

fig. 8 is a first schematic structural view of a guiding output mechanism provided by the present invention;

fig. 9 is a schematic structural view of a guiding output mechanism provided by the present invention;

FIG. 10 is a side view of the structure of FIG. 9;

FIG. 11 is a schematic view of D-D structure of FIG. 1;

FIG. 12 is a schematic view of the structure B-B in FIG. 1;

in the figure, 1, a conical cover;

2. a dual-channel rotating arm; 201. an arc-shaped plate; 202. a flange; 203. a circular tube; 204. a key; 205. a reinforcing plate; 206. a rib plate; 207. installing a first slot;

3. a base;

4. a transmission mechanism; 401. a chassis; 402. a hollow shaft; 403. a first bevel gear; 404. a gear lock nut; 405. a second bevel gear; 406. the outer ring is provided with a cylindrical roller bearing without a flange; 407. a drive shaft; 408. an angular contact bearing; 409. locking the round nut; 410. a double-row tapered roller bearing; 411. an oil slinger; 412. a bearing lock nut; 413. the inner ring is provided with a cylindrical roller bearing without a flange; 414. a keyway; 415. bolt holes; 416. grinding the gasket;

5. a guide output mechanism; 501. a support; 502. mounting a plate; 503. installing a second slot;

6. a conduit; 601. a fixing plate; 602. positioning holes;

7. a coupling; 701. a coupler protective cover;

8. a drive device; 801. a drive bracket;

9. a guide roller; 901. a mandrel; 902. a shaft end baffle; 903. a transparent cover; 904. a roller; 905. a single row tapered roller bearing; 906. adjusting the gasket; 907. oil sealing; 908. an oil cup.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention to be solved clearer, the present invention will be further described with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

It is to be understood that the terms "horizontal, vertical, top, bottom, two ends, above, below" and the like are used in the orientation or positional relationship shown in the drawings for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

As shown in fig. 1 to 12, the utility model relates to a binary channels cold rolling coils loading attachment uses with pinch roll or rolling mill cooperation, and the power that the raw materials coiled up is drawn and is come from pinch roll or rolling mill, when pinch roll or rolling mill pull the wire rod, the utility model discloses loading attachment provides the rotary motion and stirs the circumference power of wire rod, coils at the rolling mill pulling force with the utility model discloses under the combined action of loading attachment circumference power, is changed into the straight strip state by the loop coil of coiling, wherein, the utility model discloses a loading attachment includes horizontal base 3, installs the binary channels swinging boom 2 of vertical setting on base 3, and binary channels swinging boom 2 is located directly over coiling to it is rotatory around the coiling spool line, is used for promoting the delivery to coil the wire rod; the double-channel rotating arm 2 is designed in a man-shaped mechanism and consists of two arc-shaped plates 201 which are correspondingly and parallelly arranged, the arc-shaped plates 201 are formed by connecting arc-shaped wire plates with different curvatures, and finally, the two arc plates 201 form a smooth channel which is changed from curve to straight in the double-channel rotating arm 2, and the turning radius of two wire inlets at the bottom end of the double-channel rotating arm 2 is adapted to the diameter of the coil, so that the rotating track of the inlet of the double-channel rotating arm 2 is matched with the outer diameter of the coil, the inlet of the double-channel rotating arm 2 is always kept right above the diameter of the circumference of the coil, the wire is prevented from being twisted during rising and spreading, the wire is prevented from being broken due to knotting, and the wire is convenient to completely pass and be conveyed, a conical cover 1 is further arranged at a wire inlet at the bottom of the double-channel rotating arm 2, so that wires can be conveniently led into the double-channel rotating arm 2; in addition, two rows of guide rollers 9 which are uniformly and symmetrically distributed are arranged in the channel of the double-channel rotating arm 2, the guide rollers 9 are arranged between the two groups of arc-shaped plates 201 and can freely rotate along the axis direction of the guide rollers, an arc-shaped groove for allowing a wire to pass through is formed in the middle of each guide roller 9, the guide rollers 9 are arranged, on one hand, when the wire passes through the double-channel rotating arm 2, a limiting and guiding effect is provided for the wire, and friction resistance is reduced, on the other hand, when the wire passes through, the guide rollers 9 which are symmetrically arranged up and down are correspondingly arranged, a correcting effect is achieved for the wire, and the wire is primarily straightened; in addition, still install drive arrangement 8 on base 3, drive arrangement 8 passes through drive mechanism 4 with binary channels swinging boom 2 and is connected the transmission, and binary channels swinging boom 2 is installed into drive mechanism 4, drives drive mechanism 4 through drive arrangement 8, and then makes drive mechanism 4 drive binary channels swinging boom 2 and carry out the ascending axial rotation of vertical side the embodiment of the utility model provides an in, drive arrangement 8 is the motor, and the motor passes through drive support 801 fixed mounting on base 3 to the motor has the function of forward and reverse rotation, electromagnetic braking and inorganic speed governing, makes the rotatory linear velocity of binary channels swinging boom 2 entry keep unanimous with the linear velocity of pinch roll or the rolling speed of rolling mill, is convenient for the entering and the transport of wire rod.

It should be noted that, as shown in fig. 2 and fig. 3, in the embodiment of the present invention, the top portions of the two sets of arc-shaped plates 201 are connected with the circular tube 203, the inside of the circular tube 203 is a hollow structure for passing the wire, and the circular tube 203 is used for being installed in the transmission mechanism 4; in addition, flanges 202 are fixedly sleeved on the arc-shaped plates 201, the two groups of arc-shaped plates 201 penetrate through the flanges 202, the flanges 202 are located at the waist positions of the arc-shaped plates 201, after the circular tube 203 and the tops of the arc-shaped plates 201 are installed in the transmission mechanism 4, the flanges 202 are fixedly connected to the transmission mechanism 4, the positions of the arc-shaped plates 201 are fixed through the flanges 202, and then the whole double-channel rotating arm 2 is installed on the transmission mechanism 4; in addition, a plurality of first installation slots 207 for installing the guide rollers 9 are further formed in the two groups of arc-shaped plates 201, and reinforcing plates 205 and rib plates 206 are installed at the fork openings of the arc-shaped plates 201 and used for fixedly supporting the arc-shaped plates 201 so as to prevent the arc-shaped plates 201 from deforming and breaking; round or square through holes are formed in the reinforcing plate 205 and the rib plate 206, and are used for reducing the overall weight of the dual-channel rotating arm 2 and reducing the rotational inertia of the dual-channel rotating arm.

It should be further noted that, as shown in fig. 5 to 7, in the embodiment of the present invention, the transmission mechanism 4 includes a case 401 fixedly mounted on the base 3, a hollow shaft 402 for mounting the dual-channel rotating arm 2 is disposed in the case 401, the hollow shaft 402 is vertically disposed, and the hollow shaft 402 is rotatably mounted in the case 401, and the hollow shaft 402 rotates to drive the dual-channel rotating arm 2 to axially rotate; in addition, a first bevel gear 403 is fixedly sleeved on the outer circumferential wall of the hollow shaft 402, and the hollow shaft 402 is synchronously driven to rotate through the rotation of the first bevel gear 403; a second bevel gear 405 which is meshed with the first bevel gear 403 is installed in the case 401, the second bevel gear 405 is rotatably installed on the case 401 through an outer ring non-flange cylindrical roller bearing 406, and the outer ring non-flange cylindrical roller bearing 406 is arranged to bear the radial load of the second bevel gear 405; the second bevel gear 405 is connected with the driving device 8 through a transmission shaft 407, the driving device 8 drives the transmission shaft 407 to rotate, and further drives the second bevel gear 405 to rotate, and the synchronous rotation of the first bevel gear 403 and the second bevel gear 405 is realized through the meshing action of the second bevel gear 405 and the first bevel gear 403, in the specific embodiment, the transmission speed ratio range of the first bevel gear 403 and the second bevel gear 405 is 2-4; in addition, the transmission shaft 407 is horizontally arranged and rotatably mounted on the chassis 401 through an angular contact bearing 408, and the angular contact bearing 408 is arranged to bear the combined radial and axial load of the transmission shaft 407; one end of the transmission shaft 407 is fixedly connected with the second bevel gear 405, the other end of the transmission shaft is connected with the driving device 8 through the coupler 7 for transmission, and a coupler protective cover 701 is arranged outside the coupler 7 and used for protecting the coupler 7.

Further, as shown in fig. 5 to 7, in the embodiment of the present invention, a gear locking nut 404 is fixedly mounted on an outer wall of the hollow shaft 402, and the gear locking nut 404 is located below the first bevel gear 403 and used for limiting the position of the first bevel gear 403; in addition, the upper end and the lower end of the hollow shaft 402 are respectively rotatably installed on the case 401 through an inner ring non-flange cylindrical roller bearing 413 and a double-row tapered roller bearing 410, the outer rings of the inner ring non-flange cylindrical roller bearing 413 and the double-row tapered roller bearing 410 are installed on the case 401, and the inner rings of the inner ring non-flange cylindrical roller bearing 413 and the double-row tapered roller bearing 410 are sleeved on the hollow shaft 402; wherein, the inner ring non-flange cylindrical roller bearing 413 at the upper end is used for bearing the radial force of the hollow shaft 402, and the double-row tapered roller bearing at the lower end is used for bearing the axial force of the hollow shaft 402; in addition, a grinding gasket 416 is arranged between the circumferential side wall of the double-row tapered roller bearing 410 and the inner wall of the case 401, and by arranging the grinding gasket 416, a side gap generated between the double-row tapered roller bearing 410 and the case 401 is adjusted to a proper size through grinding and thinning of the grinding gasket 416, and at the moment, the micro movement of the bevel gear I403 and the hollow shaft 402 in the axial direction is realized through the inner ring play of the cylindrical roller bearing 413 without a flange; an oil retainer ring 411 is further arranged below the double-row tapered roller bearing 410, and the oil retainer ring 411 is located between the case 401 and the hollow shaft 402 and used for sealing lubricating oil and preventing the lubricating oil from overflowing from a hole in the bottom plate of the case body.

Further, as shown in fig. 5 to 7, in the embodiment of the present invention, a conduit 6 is further installed in the inner cavity of the hollow shaft 402, the conduit 6 is fixedly installed in the inner cavity of the hollow shaft 402 through a fixing plate 601, a positioning hole 602 for installing a fixing bolt is formed in the fixing plate 601, and the fixing plate 601 is fixed in the inner cavity of the hollow shaft 402 through the fixing bolt; in addition, the guide pipe 6 and the round pipe 203 are arranged up and down correspondingly, the guide pipe 6 is positioned right above the round pipe 203, and the guide pipe 6 is in a conical structure with a large lower opening and a small upper opening, so that a wire rod can conveniently penetrate and pass through; in addition, the round tube 203 extends into the inner cavity of the hollow shaft 402, the vertically arranged key 204 is fixedly arranged on the side wall of the round tube 203, the side wall of the inner cavity of the hollow shaft 402 is provided with a key groove 414 for adapting to the installation of the key 204, the key groove 414 is vertically arranged, the key 204 is arranged in the key groove 414, so that the relative position between the dual-channel rotating arm 2 and the hollow shaft 402 is limited, and the torque is transmitted by the key 204, so that the hollow shaft 402 drives the dual-channel rotating arm 2 to rotate together; the size of the middle part of the outer cylindrical surface of the circular tube 203 is smaller than that of the end part of the circular tube, so that the matching surface of the circular tube 203 and the transmission mechanism 4 is reduced, the processing precision is reduced, and the manufacturing cost is saved; in addition, a bolt hole 415 corresponding to the flange 202 is formed in the bottom end face of the hollow shaft 402, a bolt on the flange 202 is installed in a matched mode with the bolt hole 415, the bolt on the flange 202 is installed in the bolt hole 415, the flange 202 is fixed on the bottom end face of the hollow shaft 402, the double-channel rotating arm 2 is fixedly installed in the hollow shaft 402, the falling-off phenomenon is avoided, and the double-channel rotating arm 2 can better rotate together with the hollow shaft 402.

Further, as shown in fig. 1, 8 to 10, in the embodiment of the present invention, a guiding output mechanism 5 is installed on the top surface of the transmission mechanism 4 for outputting and guiding the wire rod finally; the guide output mechanism 5 is positioned right above the hollow shaft 402, and guide rollers 9 which are symmetrically arranged are also arranged in the guide output mechanism 5; in addition, the guide roller 9 installed in the guide output mechanism 5 is positioned in the hollow shaft 402 right above the guide pipe 6, so that the wire can be smoothly guided into the guide output mechanism 5 after passing through the guide pipe 6; in addition, the guide roller 9 installed in the guide output mechanism 5 and the guide roller 9 installed on the arc-shaped plate 201 are both horizontally arranged, and the axes between the guide roller 9 installed in the guide output mechanism 5 and the guide roller 9 installed on the arc-shaped plate 201 are arranged at 90 degrees, so that the rolling guide effect is ensured around the wire rod in the lifting process.

Further, as shown in fig. 8 to 10, in the embodiment of the present invention, the guiding output mechanism 5 includes a support 501 and a mounting plate 502 symmetrically disposed, wherein the support 501 is fixedly mounted on the top end surface of the transmission mechanism 4, and the mounting plate 502 is vertically mounted on the support 501; in addition, a plurality of mounting slots 503 which are uniformly and symmetrically distributed are formed in the mounting plate 502 and used for placing and mounting the guide roller 9.

It should be explained that, as shown in fig. 4 to 5, in the embodiment of the present invention, the guide roller 9 includes a mandrel 901 and a roller 904, wherein the mandrel 901 is configured to be installed in the first installation slot 207 and the second installation slot 503, and shaft end baffles 902 are installed at both ends of the mandrel 901, and the mandrel 901 is fixedly installed on the arc-shaped plate 201 and the installation plate 502 through the shaft end baffles 902; the mandrel 901 and the roller 904 are coaxially arranged, the roller 904 is rotatably sleeved on the mandrel 901 through a single-row tapered roller bearing 905, and the roller 904 rotates along the axis of the mandrel 901 through the single-row tapered roller bearing 905 and can bear axial force and radial force; in addition, a transparent cover 903 is sleeved on the mandrel 901, the transparent cover 903 is positioned at two ends of the roller 904 and fixedly connected with the roller 904 through bolts, an adjusting shim 906 is further arranged between the transparent cover 903 and the roller 904, and the moving gap of the single-row tapered roller bearing 905 is adjusted through the adjusting shim 906; in addition, an oil cup 908 is further installed at an end of the mandrel 901, and is used for supplying lubricating oil between the mandrel 901 and the roller 904, so that heat generation, vibration, noise and mutual abrasion generated between the mandrel 901 and the roller 904 at a high rotating speed are reduced; an oil seal 907 is sleeved between the inner wall of the transparent cover 903 and the outer wall of the mandrel 901, so that lubricating oil is blocked, and the influence on other parts of the device due to leakage of the lubricating oil is avoided.

The utility model discloses a working process and principle:

the device is matched with a pinch roll or a rolling mill for use in the using process, one end of a raw material coil which is vertically placed extends into the double-channel rotating arm 2 from one wire inlet of the double-channel rotating arm 2, sequentially passes through the double-channel rotating arm 2, the guide pipe 6 and the guide output mechanism 5 and then is installed on the pinch roll or the rolling mill, and the pinch roll or the rolling mill provides pulling power for the raw material coil; when the pinch roll or the rolling mill pulls the raw material coil, the driving mechanism 8 is started, the driving mechanism 8 drives the hollow shaft 402 to rotate through the meshing transmission between the gears, so that the hollow shaft 402 drives the double-channel rotating arm 2 to axially rotate, the raw material coil is provided with the circumferential force for rotating and stirring the wire rod, and the raw material coil is changed into a straight strip state by the initial annular coil under the combined action of the rolling mill tension and the roller pressure of the device of the utility model; furthermore, the utility model discloses in the device operation process, actuating mechanism 8's motor has functions such as corotation and reversal, electromagnetic braking, electrodeless speed governing, adjusts according to the rolling speed of rolling mill, makes the material loading speed that the raw materials was coiled and the rolling speed of rolling mill keep in step for satisfy different production speed's cold rolling production line.

The foregoing description of the specific embodiments of the present invention has been presented for the purposes of illustration and description and is not intended to limit the invention to the precise form disclosed, and it is apparent that numerous changes and modifications may be made in the foregoing description, the examples having been selected and described to illustrate the specific principles and practical application of the invention, to thereby enable one skilled in the art to make and use the invention in various embodiments and with various modifications. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. A double-channel cold-rolled coil feeding device comprises a base (3), and is characterized in that a double-channel rotating arm (2) and a driving device (8) used for driving the double-channel rotating arm (2) are arranged on the base (3), and the driving device (8) is in transmission connection with the double-channel rotating arm (2) through a transmission mechanism (4); a guide output mechanism (5) is mounted on the transmission mechanism (4), and the guide output mechanism (5) is positioned right above the double-channel rotating arm (2); guide rollers (9) which are symmetrically distributed are arranged in the double-channel rotating arm (2) and the guide output mechanism (5).

2. The double-channel cold-rolled coil feeding device according to claim 1, characterized in that the double-channel rotating arm (2) comprises two corresponding and parallel arc-shaped plates (201), wherein the arc-shaped plates (201) are in a 'man' -shaped structure; the tops of the two arc-shaped plates (201) are connected with a circular tube (203) with a hollow inner part; the arc-shaped plates (201) are also fixedly sleeved with flanges (202) used for being connected with the transmission mechanism (4), and the flanges (202) are fixed at the waist positions of the two groups of arc-shaped plates (201); the arc-shaped plate (201) is further provided with a plurality of first installation slots (207) for installing the guide rollers (9).

3. The double-channel cold-rolled coil feeding device according to claim 2, characterized in that the transmission mechanism (4) comprises a cabinet (401), a hollow shaft (402) for mounting the double-channel rotating arm (2) is arranged in the cabinet (401), the hollow shaft (402) is vertically and rotatably mounted in the cabinet (401), and a bevel gear I (403) is fixedly sleeved on the outer wall of the hollow shaft (402); a second bevel gear (405) which is meshed with the first bevel gear (403) is further arranged in the case (401), and the second bevel gear (405) is connected with the driving device (8) through a transmission shaft (407) for transmission; the transmission shaft (407) is rotatably mounted on the case (401) through an angular contact bearing (408), and the transmission shaft (407) is connected with the driving device (8) through a coupler (7).

4. The double-channel cold-rolled coil feeding device as claimed in claim 3, wherein a gear locking nut (404) for limiting the position of the bevel gear I (403) is mounted on the outer wall of the hollow shaft (402); the upper end and the lower end of the hollow shaft (402) are respectively rotatably installed on the case (401) through an inner ring flange-free cylindrical roller bearing (413) and a double-row tapered roller bearing (410); and a grinding gasket (416) is arranged between the circumferential side wall of the double-row tapered roller bearing (410) and the case (401).

5. The double-channel cold-rolled coil feeding device as claimed in claim 3, wherein a conduit (6) is fixedly installed in the inner cavity of the hollow shaft (402), the conduit (6) corresponds to the round tube (203) up and down, and the conduit (6) is located above the round tube (203); the round pipe (203) extends into the inner cavity of the hollow shaft (402), a key (204) used for being connected with the hollow shaft (402) is installed on the side wall of the round pipe (203), and a key groove (414) used for being matched with the key (204) is formed in the inner side wall of the inner cavity of the hollow shaft (402); the bottom end face of the hollow shaft (402) is provided with bolt holes (415) corresponding to the flanges (202), and the flanges (202) are fixedly connected with the hollow shaft (402) through bolts.

6. The double-channel cold-rolled coil feeding device as claimed in claim 1, wherein the guide output mechanism (5) comprises a support (501) and symmetrically arranged mounting plates (502), the support (501) is fixedly mounted on the transmission mechanism (4), the mounting plates (502) are vertically mounted on the support (501), and mounting slots II (503) for mounting the guide rollers (9) are formed in the mounting plates (502).

7. The double-channel cold-rolled coil feeding device as claimed in claim 1, wherein the guide roller (9) comprises a mandrel (901) and a roller (904) which are coaxially arranged, and the roller (904) is rotatably sleeved on the mandrel (901) through a single-row tapered roller bearing (905); shaft end baffles (902) for fixing the guide rollers (9) are arranged at two ends of the mandrel (901); the mandrel (901) is also provided with a transparent cover (903), the transparent cover (903) and the roller (904) are fixed through bolts, and an adjusting gasket (906) is arranged between the transparent cover (903) and the roller (904).