CN210914710U - Wire pay-off rack for large winding roll - Google Patents

Abstract

The utility model relates to a wire rod pay off rack for large winding roll, which relates to the technical field of wire and cable production and comprises a base frame, wherein the base frame is provided with an upper frame end, the base frame is provided with a mounting mechanism for mounting the large winding roll, the mounting mechanism comprises a mounting frame hinged and connected with the base frame, two mounting seats are fixedly arranged on the mounting frame, the two mounting seats are respectively positioned at two ends of the mounting frame, the mounting seats are provided with chutes, and the chutes are positioned at one side of the mounting seats away from the rotating axis of the mounting frame; the utility model discloses a winding machine, including spout, mounting bracket, spout internal rotation, spout, the spout internal rotation is provided with the first pivot of the big take-up reel of one end embedding, first pivot is in the spout along the direction of mounting bracket axis of rotation slides, set up the confession on the bed frame the locking groove of the embedding of the first pivot other end, the terminal surface of big take-up reel with distance between the locking groove is greater than the length of first pivot. The utility model has the advantages of simple and convenient installation of the large winding roll.

Description

Wire pay-off rack for large winding roll

Technical Field

The utility model belongs to the technical field of the technique of wire and cable production and specifically relates to a wire rod pay off rack for big take-up reel is related to.

Background

The pay-off stand is an auxiliary device which is matched with a wire twisting machine or a winding machine and the like and plays a role in paying off, and with the rapid development of household appliances and the electronic communication industry, wires for manufacturing stranded wires are thinner and the number of the wires is large.

Traditional pay off rack includes the support and is used for installing the first pivot of big take-up reel, and wherein, the big take-up reel that has the wire rod of coiling is installed in first pivot, is provided with the holding tank on the support, and the both ends inlay card of first pivot can rotate in the holding tank, and stranding machine pulling wire rod to make the copper line of coiling on first pivot be drawn and go out, in order to realize the process of unwrapping wire.

When the copper wires on the first rotating shaft are completely placed, the first rotating shaft is required to be integrally moved down from the support, and the first rotating shaft is lifted up again and placed on the support after a new large winding roll is replaced. However, for some large winding reels with large volume and heavy weight, two persons are often needed to install the large winding reels on the pay-off rack, so that the labor intensity of workers is increased, and the large winding reels are very inconvenient to install.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wire rod pay off rack for big take-up reel has big take-up reel simple installation's advantage.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a wire pay-off rack for a large winding roll comprises a base frame, wherein the base frame is provided with an upper frame end, an installation mechanism for installing the large winding roll is arranged on the base frame, the installation mechanism comprises an installation frame hinged to the base frame, two installation seats are fixedly arranged on the installation frame, the two installation seats are respectively positioned at two ends of the installation frame, a sliding groove is formed in each installation seat, and the sliding groove is positioned on one side, away from the rotation axis of the installation frame, of each installation seat;

the utility model discloses a winding machine, including spout, mounting bracket, spout internal rotation, spout, the spout internal rotation is provided with the first pivot of the big take-up reel of one end embedding, first pivot is in the spout along the direction of mounting bracket axis of rotation slides, set up the confession on the bed frame the locking groove of the embedding of the first pivot other end, the terminal surface of big take-up reel with distance between the locking groove is greater than the length of first pivot.

Through adopting above-mentioned technical scheme, first pivot is to the direction slip of keeping away from big take-up reel so that the tip of first pivot breaks away from big take-up reel, thereby pull down empty big take-up reel from installation mechanism, then rotate the mounting bracket so that the high position at spout place on the mount pad reduces, the big take-up reel that will convolute there is the wire rod moves to the position at first pivot place, the first pivot of reverse slip is so that the tip embedding big take-up reel of first pivot, the reverse rotation mounting bracket is so that big take-up reel breaks away from ground again, thereby the installation of big take-up reel after accomplish, therefore, make the simple installation of big take-up reel.

The utility model discloses further set up to: the mounting bracket is fixedly provided with a second rotating shaft, the axis of the second rotating shaft coincides with the rotating axis of the mounting bracket, a turnover groove for embedding the end part of the second rotating shaft and a rotation limiting groove for embedding the mounting seat are formed in the side wall of the base frame, the turnover groove is located above the rotation limiting groove, and the turnover groove is communicated with the rotation limiting groove.

Through adopting above-mentioned technical scheme, the second pivot is in order to make the mounting bracket rotate at the upset inslot internal rotation to the high position of control spout, and the rotation of mount pad embedding limit groove in order to restrict the mounting bracket, thereby make the high position of spout remain stable, from this, when making this wire rod pay off rack simple installation, guarantee installation mechanism's job stabilization nature.

The utility model discloses further set up to: be provided with on the bed frame and be used for adjusting the tensile tension adjustment mechanism of wire rod, tension adjustment mechanism including fixed set up in the dead lever of bed frame, the cover is equipped with fixed wheel cover and driving wheel cover on the dead lever, the fixed wheel cover is located the dead lever and with dead lever fixed connection, the driving wheel cover is located the below of dead lever and along the axis direction of dead lever slides, the fixed wheel is sheathe in and is rotated and is provided with first traction wheel, the driving wheel is sheathe in and is rotated and is provided with the second traction wheel.

By adopting the technical scheme, the front end of the wire rod is coiled so as to pay out the wire rod on the large winding roll, the wire rod is sequentially coiled to pass through the first traction wheel and the second traction wheel and then leave from the first traction wheel, namely the second traction wheel is hung below the first traction wheel through the wire rod, and the driving wheel sleeve slides downwards under the action of gravity so as to keep the wire rod in a straight state all the time;

when the actual translation rate of wire rod is less than big take-up reel pivoted linear velocity, the second traction wheel receives the tension influence of wire rod to upwards slide so that the wire rod keeps the state of stretching straight, and when the actual translation rate of wire rod is greater than big take-up reel pivoted linear velocity, the second traction wheel slides downwards under the effect of gravity so that the wire rod keeps the state of stretching straight, from this, realizes making this wire rod pay off rack can be according to the tension of wire rod on the actual translation rate adjustment pay off rack of wire rod.

The utility model discloses further set up to: the fixed wheel sleeve and the movable wheel sleeve are provided with elastic pieces, one end of each elastic piece is fixedly connected with the fixed wheel sleeve, and the other end of each elastic piece is fixedly connected with the movable wheel sleeve.

Through adopting above-mentioned technical scheme, the both ends of elastic component respectively with fixed wheel cover and driving wheel cover fixed connection to the distance change between messenger's fixed wheel cover and the driving wheel cover is stabilized within an appropriate scope, thereby improves tension adjustment mechanism's tension and adjusts stability.

The utility model discloses further set up to: the base frame is further provided with a rotating speed adjusting mechanism for limiting the moving speed of the wire rod, the rotating speed adjusting mechanism comprises a brake disc and a brake assembly, the brake disc is rotatably arranged on the base frame, the brake assembly is used for limiting the rotating speed of the brake disc, a first gear is coaxially and fixedly arranged on the brake disc, and a second gear meshed with the first gear is coaxially and fixedly arranged at one end, away from the large winding disc, of the first rotating shaft;

braking component including rotate set up in the bull stick of bed frame with slide set up in the pole of supporting of bed frame, the axis of rotation of bull stick with the axis of stopping the dish is parallel, the cover is equipped with to lead changes the cover and pulls the cover on the bull stick, lead change the cover with pull the cover all along the axis direction of bull stick slides, lead change the cover with it connects to move to articulate between the wheel cover, support the pole along being close to or keeping away from the direction of stopping the dish slides, support the pole and keep away from the one end of stopping the dish with pull the articulated connection of cover, support the pole and be close to the one end detachable of stopping the dish be provided with the brake block of stopping the outer disc conflict of dish.

Through adopting above-mentioned technical scheme, during the mount pad embedding restricted revolution groove, first gear and the meshing of second gear, drive when the driving wheel cover slides and lead the commentaries on classics cover and slide so that the bull stick rotates, the bull stick rotates and supports the pole slip so that the brake block is contradicted in the outer disc of stopping the dish in order to make to support the pole to drive the brake block and remove in order to change the brake block and stop the frictional force between the dish, therefore, realize the control to stopping a set rotational speed, so that rotational speed adjustment mechanism can control the rotational speed of big take-up reel.

The utility model discloses further set up to: the guide rotating sleeve and the traction sleeve are provided with a distance limiting part, the distance limiting part comprises a first distance limiting plate fixedly arranged on the guide rotating sleeve and a second distance limiting plate fixedly arranged on the traction sleeve, a distance adjusting groove is formed in the second distance limiting plate, a distance adjusting block embedded into the distance adjusting groove is fixedly arranged on the second distance limiting plate, and the distance adjusting block is connected with the distance adjusting groove in a sliding mode.

Through adopting above-mentioned technical scheme, the roll adjustment piece slides in the roll adjustment groove in order to restrict the distance between guide and commentaries on classics cover and the traction sleeve.

The utility model discloses further set up to: the end part of the first rotating shaft embedded into the large winding roll is fixedly provided with a fastening disc, the fastening disc is provided with a large end and a small end, and the small end of the fastening disc extends into the large winding roll.

Through adopting above-mentioned technical scheme, the tip of two fastening disks stretches into the both ends of big take-up reel respectively in order to realize the installation location to big take-up reel, from this for when this wire rod pay off rack simple installation, guarantee installation mechanism's job stabilization nature.

The utility model discloses further set up to: and a ball groove is formed in the sliding groove along the axial direction of the first rotating shaft, and a plurality of sliding assisting balls are arranged in the ball groove.

Through adopting above-mentioned technical scheme, the sliding friction is replaced through rolling friction to the sliding ball that helps to make can stable rotation and slip between first pivot and the spout.

The utility model discloses further set up to: the locking groove is outwardly inclined in a direction near the upper end.

Through adopting above-mentioned technical scheme, the tip embedding locking groove that the locking groove slope is so that big take-up reel is kept away from to first pivot is more simple and convenient.

To sum up, the utility model discloses a beneficial technological effect does:

1. the first rotating shaft slides in the direction away from the large winding roll to enable the end part of the first rotating shaft to be separated from the large winding roll, so that the empty large winding roll is detached from the mounting mechanism, then the mounting frame is rotated to enable the height position of the sliding groove on the mounting seat to be lowered, the large winding roll wound with the wire rods is moved to the position of the first rotating shaft, the first rotating shaft is reversely slid to enable the end part of the first rotating shaft to be embedded into the large winding roll, then the mounting frame is reversely rotated to enable the large winding roll to be separated from the ground, and therefore the large winding roll is mounted conveniently;

2. the second pivot is at the upset inslot rotation so that the mounting bracket rotates to the high position of control spout, and the rotation of mount pad embedding limit groove in order to restrict the mounting bracket, thereby make the high position of spout remain stable, from this, when making this wire rod pay off rack simple installation, guarantee installation mechanism's job stabilization nature.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the base frame;

fig. 3 is a schematic view of the installation structure of the present invention;

fig. 4 is a schematic structural view of the mount.

In the figure, 1, a base frame; 11. a locking groove; 12. a turnover groove; 13. a rotation limiting groove; 2. an installation mechanism; 21. a mounting frame; 211. a cross bar; 212. a longitudinal bar; 22. a mounting seat; 221. a chute; 222. a ball groove; 223. a sliding-assisting ball; 23. a first rotating shaft; 231. a second gear; 24. a second rotating shaft; 25. fastening a disc; 26. a bearing; 3. a tension adjusting mechanism; 31. fixing a rod; 32. a fixed wheel sleeve; 33. a movable wheel sleeve; 34. a first traction wheel; 35. a second traction wheel; 36. an elastic member; 4. a rotational speed adjusting mechanism; 41. braking the disc; 411. a first gear; 42. a brake assembly; 421. a rotating rod; 422. a support rod; 423. a rotation guide sleeve; 424. a traction sleeve; 425. a brake pad; 426. a distance limiting part; 4261. a first distance limiting plate; 4262. a second distance limiting plate; 4263. a distance adjusting groove; 4264. and (5) a distance adjusting block.

Detailed Description

A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 and 2, for the utility model discloses a wire rod pay off rack for big take-up reel, including bed frame 1, still be provided with the rotational speed adjustment mechanism 4 that is used for restricting the wire rod moving speed on being provided with installation mechanism 2, the tension adjustment mechanism 3 that is used for adjusting the wire rod tension that are used for installing big take-up reel on the bed frame 1 and the bed frame 1.

The base frame 1 includes a rectangular base plate body, and mounting steps are fixedly provided at both ends of the base plate body in the width direction, so that the longitudinal section of the base frame 1 is arranged in an inverted Jiong shape. The base frame 1 is provided with an upper frame end and a paying-off end, the upper frame end is positioned on one side of the length direction of the base frame 1, and the paying-off end is positioned in the middle of the base frame 1.

Referring to fig. 2 and 3, the mounting mechanism 2 comprises a mounting frame 21 hingedly connected to the base frame 1. The mounting frame 21 is formed in a shape of Jiong to have a cross bar 211 and two longitudinal bars 212, and one ends of the two longitudinal bars 212 are respectively located at both ends of the cross bar 211. The cross bar 211 has an axial direction identical to the width direction of the base frame 1 and is disposed in the horizontal direction.

The other ends of the two vertical rods 212 are fixedly provided with second rotating shafts 24. The axes of the two second rotating shafts 24 coincide to be arranged in the width direction of the base frame 1. The axis of the second rotating shaft 24 is parallel to the axis of the cross bar 211. The axis of the second rotating shaft 24 is the rotating axis of the mounting frame 21. The second rotating shaft 24 is hinged to the mounting step so that the other ends of the two longitudinal rods 212 are hinged to two side walls of the base frame 1 in the width direction. The second shaft 24 is located at an end of the base frame 1 near the upper frame end.

Further, referring to fig. 4, two mounting seats 22 are fixedly disposed on the mounting frame 21. The mounting seat 22 is disposed in a rectangular shape, and the length direction of the mounting seat 22 is the same as the axial direction of the vertical rod 212. The two mounting seats 22 are respectively located at two ends of the mounting frame 21, that is, the two mounting seats 22 are respectively located at the other ends of the two longitudinal rods 212. The mounting seat 22 is located on a side of the second rotating shaft 24 close to the cross bar 211.

The mounting seat 22 is provided with a sliding groove 221. The sliding groove 221 is a cylindrical through groove, and the axis of the sliding groove 221 is parallel to the rotation axis of the mounting frame 21. The slide groove 221 is located on a side of the mounting seat 22 away from the rotation axis of the mounting frame 21. Preferably, a ball groove 222 is formed in the sliding groove 221 along the circumferential direction of the axis of the first rotating shaft 23, and a plurality of sliding balls 223 are mounted in the ball groove 222. The sliding balls 223 replace sliding friction by rolling friction to enable stable rotation and sliding between the first rotating shaft 23 and the sliding groove 221.

Referring to fig. 2 and 3, the chute 221 is rotatably provided with a first rotating shaft 23 having one end embedded in the large winding roll. The first rotating shaft 23 is arranged in a cylinder, and the axis of the first rotating shaft 23 is parallel to the axis of the cross bar 211. The first rotating shaft 23 slides in the sliding groove 221 in the direction of the rotation axis of the mounting frame 21 to engage or disengage the large spool.

Further, a fastening plate 25 is fixedly provided at an end of the first rotating shaft 23 inserted into the large winding roll. The fastening disc 25 is in a trapezoidal truncated cone arrangement so that the fastening disc 25 has a large end and a small end, and the small end of the fastening disc 25 extends into the large winding disc. Preferably, the fastening plate 25 is fixedly connected to the first rotating shaft 23 by bolts or bolts.

Furthermore, the sidewall of the base frame 1 is provided with an overturning groove 12 for the end of the second rotating shaft 24 to be embedded in and a rotation limiting groove 13 for the installation seat 22 to be embedded in. The turning groove 12 is communicated with the rotation limiting groove 13.

The turning groove 12 is located above the rotation-restricting groove 13. The turnover groove 12 is arranged in a horizontal L shape, the vertical short side section of the turnover groove 12 extends into the rotation limiting groove 13, and the horizontal long side section of the turnover groove 12 extends towards one side close to the upper frame end.

The opening of the rotation limiting groove 13 is upward, and one side of the turnover groove 12 close to the upper frame end is provided with a guide inclined surface which inclines downwards along the direction far away from the upper frame end.

Furthermore, a locking groove 11 for the other end of the first rotating shaft 23 to be inserted is formed on the mounting step of the base frame 1. The locking groove 11 is located above the rotation axis of the mounting frame 21, and the opening of the locking groove 11 is located on the end surface of the base frame 1 near the large winding roll and the end surface of the upper frame. The distance between the end surface of the large winding roll facing the locking groove 11 and the end surface of the locking groove 11 facing the large winding roll is greater than the length of the first rotating shaft 23.

Preferably, the locking groove 11 is inclined outwardly in a direction close to the upper shelf end. The locking groove 11 is provided in a sector shape in cross section such that the locking groove 11 has a large end and a small end in a horizontal direction. The main aspects opening that locks groove 11 is located the terminal surface of bed frame 1 upper bracket end place one side, and locking groove 11 leans out along the direction that the tip is close to the main aspects to make first pivot 23 keep away from the tip embedding locking groove 11 of big take-up reel more simple and convenient.

Further, the tension adjusting mechanism 3 includes a fixed rod 31 fixedly disposed on the base frame 1. The axis of the fixed bar 31 is arranged in the vertical direction. The fixed rod 31 is sleeved with a fixed wheel sleeve 32 and a movable wheel sleeve 33. The fixed wheel sleeve 32 is positioned on the fixed rod 31 and fixedly connected with the fixed rod 31, and the movable wheel sleeve 33 is positioned below the fixed rod 31 and slides along the axial direction of the fixed rod 31. A first traction wheel 34 is rotatably disposed on the fixed wheel sleeve 32. The axis of the first traction wheel 34 is arranged in the horizontal direction and perpendicular to the direction of the rotation axis of the mounting frame 21. The movable wheel sleeve 33 is provided with a second traction wheel 35 in a rotating way. The axis of the second traction wheel 35 is parallel to the axis of the first traction wheel 34.

Further, at least two first wire passing grooves are circumferentially arranged on the outer circumferential surface of the first traction wheel 34, all the first wire passing grooves are distributed at intervals along the axial direction of the first traction wheel 34, at least two second wire passing grooves are circumferentially arranged on the outer circumferential surface of the second traction wheel 35, and all the second wire passing grooves are distributed at intervals along the axial direction of the second traction wheel 35. Preferably, the number of the first wire passing slots is the same as that of the second wire passing slots. Alternatively, the number of the first string-passing slots is one more than the number of the second string-passing slots. The first wire passing groove and the second wire passing groove are matched, so that the wire can be wound on the first traction wheel 34 and the second traction wheel 35 for multiple circles, the force exerted on the wire by the second traction wheel 35 is dispersed, and the damage to the wire is reduced.

The front end of the wire is coiled to enable the wire on the large winding roll to be paid out, the wire sequentially passes through the first traction wheel 34 and the second traction wheel 35 and then leaves from the first traction wheel 34, namely the second traction wheel 35 is hung below the first traction wheel 34 through the wire, and the driving wheel sleeve 33 slides downwards under the action of gravity to enable the wire to be kept in a straight state all the time.

When the actual moving speed of wire rod is less than big take-up reel pivoted linear velocity, second traction wheel 35 receives the tension influence of wire rod to upwards slide so that the wire rod keeps the state of stretching straight, and when the actual moving speed of wire rod is greater than big take-up reel pivoted linear velocity, second traction wheel 35 slides downwards under the effect of gravity so that the wire rod keeps the state of stretching straight, from this, realizes making this wire rod pay off rack can be according to the actual moving speed adjustment pay off rack of wire rod on the tension of wire rod.

Furthermore, an elastic member 36 is arranged between the fixed wheel sleeve 32 and the movable wheel sleeve 33, one end of the elastic member 36 is fixedly connected with the fixed wheel sleeve 32, and the other end of the elastic member 36 is fixedly connected with the movable wheel sleeve 33. Preferably, the elastic member 36 is a tension spring. One end of the elastic element 36 is hooked and connected with the lower end face of the fixed wheel sleeve 32, and the other end of the elastic element 36 is hooked and connected with the upper end face of the movable wheel sleeve 33. Both ends of the elastic member 36 are fixedly connected with the fixed wheel sleeve 32 and the movable wheel sleeve 33, respectively, so that the distance variation between the fixed wheel sleeve 32 and the movable wheel sleeve 33 is stabilized within a proper range, thereby improving the tension adjustment stability of the tension adjustment mechanism 3.

Further, the rotation speed adjusting mechanism 4 includes a brake disc 41 rotatably disposed on the base frame 1 and a brake assembly 42 for limiting the rotation speed of the brake disc 41.

The axis of rotation of the brake disc 41 is parallel to the axis of rotation of the mounting 21. A first gear 411 is coaxially and fixedly arranged on the brake disc 41. The first gear 411 is located on the side of the brake disc 41 close to the large winding disc. A second gear 231 engaged with the first gear 411 is coaxially and fixedly arranged at one end of the first rotating shaft 23 far away from the large winding roll. The first gear 411 is close to the tension adjusting mechanism 3 with respect to the second gear 231.

The braking assembly 42 includes a rotating rod 421 rotatably disposed on the base frame 1 and a pressing rod 422 slidably disposed on the base frame 1. The rotation axis of the rotary rod 421 is parallel to the axis of the brake disc 41.

The rotating rod 421 is sleeved with a rotation guide sleeve 423 and a traction sleeve 424. The rotation guide sleeve 423 and the pulling sleeve 424 slide along the axial direction of the rotation rod 421. The rotation guide sleeve 423 is hinged with the movable wheel sleeve 33. When the movable wheel sleeve 33 slides, the rotation guide sleeve 423 is driven to slide so as to rotate the rotating rod 421, and the rotating rod 421 rotates to adjust the distance between the traction sleeve 424 and the traction sleeve 424.

The resisting rod 422 slides along the direction close to or far from the brake disc 41, one end of the resisting rod 422 far from the brake disc 41 is hinged with the traction sleeve 424, and one end of the resisting rod 422 close to the brake disc 41 is detachably provided with a brake pad 425 which is abutted against the outer circular surface of the brake disc 41.

When the mounting seat 22 is embedded in the rotation limiting groove 13, the first gear 411 is engaged with the second gear 231, when the movable wheel sleeve 33 slides, the movable wheel sleeve 423 is driven to slide so as to rotate the rotating rod 421, the rotating rod 421 rotates so as to drive the abutting rod 422 to slide so as to enable the brake pad 425 to abut against the outer circular surface of the brake disc 41, so that the abutting rod 422 drives the brake pad 425 to move so as to change the friction force between the brake pad 425 and the brake disc 41, thereby realizing the control of the rotating speed of the large winding disc, and enabling the rotating speed adjusting mechanism 4 to control the rotating speed of the large winding disc.

Further, a distance limiting portion 426 is arranged between the rotating guide sleeve 423 and the traction sleeve 424, the distance limiting portion 426 comprises a first distance limiting plate 4261 fixedly arranged on the rotating guide sleeve 423 and a second distance limiting plate 4262 fixedly arranged on the traction sleeve 424, a distance adjusting groove 4263 is formed in the second distance limiting plate 4262, a distance adjusting block 4264 embedded in the distance adjusting groove 4263 is fixedly arranged on the second distance limiting plate 4262, and the distance adjusting block 4264 is connected with the distance adjusting groove 4263 in a sliding mode.

The first distance limiting plate 4261 and the second distance limiting plate 4262 are both arranged in a long strip plate shape. The first distance limiting plate 4261 has a longitudinal direction identical to the axial direction of the rotating rod 421, and the second distance limiting plate 4262 has a longitudinal direction identical to the axial direction of the rotating rod 421. Preferably, a side of the first distance limiting plate 4261 close to the fixed rod 31 interferes with a side of the second distance limiting plate 4262 away from the fixed rod 31.

The second distance limiting plate 4262 is provided with a distance adjusting groove 4263. The distance adjusting groove 4263 is a waist-shaped through groove. The pitch groove 4263 is provided along the axial direction of the rotation rod 421. The second distance limiting plate 4262 is fixedly provided with a distance adjusting block 4264 embedded in the distance adjusting groove 4263. The distance adjusting block 4264 is connected with the distance adjusting groove 4263 in a sliding mode. The distance adjusting block 4264 slides in the distance adjusting groove 4263 to limit the distance between the rotation guide sleeve 423 and the traction sleeve 424.

The implementation principle of the embodiment is as follows:

(1) during disassembly, the mounting seat 22 is separated from the rotation limiting groove 13 so that the second rotating shaft 24 enters the turning groove 12 to be capable of rotating and sliding, the mounting frame 21 is rotated so that the first rotating shaft 23 is separated from the locking groove 11, the first rotating shaft 23 slides in the direction away from the large winding reel so that the end part of the first rotating shaft 23 is separated from the large winding reel, and therefore the large winding reel which is empty is disassembled from the mounting mechanism 2;

(2) during installation, the second rotating shaft 24 rotates in the overturning groove 12 to rotate the mounting frame 21, so that the height position of the sliding groove 221 on the mounting seat 22 is lowered, the large winding roll wound with wires is moved to the position of the first rotating shaft 23, the first rotating shaft 23 slides reversely to enable the end part of the first rotating shaft 23 to be embedded into the large winding roll, then the mounting frame 21 rotates reversely to enable the end part of the first rotating shaft 23 to be embedded into the locking groove 11 to enable the other end of the first rotating shaft 23 to be pressed on the large winding roll, meanwhile, the mounting seat 22 is embedded into the rotation limiting groove 13, and therefore installation of the large winding roll is completed.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. A wire pay-off rack for a large winding roll comprises a base frame (1), wherein the base frame (1) is provided with an upper frame end, and the wire pay-off rack is characterized in that a mounting mechanism (2) for mounting the large winding roll is arranged on the base frame (1), the mounting mechanism (2) comprises a mounting frame (21) hinged to the base frame (1), two mounting seats (22) are fixedly arranged on the mounting frame (21), the two mounting seats (22) are respectively positioned at two ends of the mounting frame (21), a sliding groove (221) is formed in each mounting seat (22), and the sliding groove (221) is positioned on one side, away from the rotation axis of the mounting frame (21), of each mounting seat (22);

the big take-up reel of one end embedding is provided with first pivot (23) in spout (221) internal rotation, first pivot (23) are in spout (221) along mounting bracket (21) axis of rotation's direction slides, seted up the confession on bed frame (1) locking groove (11) of first pivot (23) other end embedding, the terminal surface of big take-up reel with the distance between locking groove (11) is greater than the length of first pivot (23).

2. The wire pay-off rack for the large winding roll as claimed in claim 1, wherein a second rotating shaft (24) is fixedly arranged on the mounting rack (21), the axis of the second rotating shaft (24) coincides with the rotating axis of the mounting rack (21), a turning groove (12) for embedding the end of the second rotating shaft (24) and a rotation limiting groove (13) for embedding the mounting seat (22) are formed in the side wall of the base frame (1), the turning groove (12) is located above the rotation limiting groove (13), and the turning groove (12) is communicated with the rotation limiting groove (13).

3. The wire pay-off stand for the large winding reel as claimed in claim 2, wherein the base frame (1) is provided with a tension adjusting mechanism (3) for adjusting the tension of the wire, the tension adjusting mechanism (3) comprises a fixed rod (31) fixedly arranged on the base frame (1), the fixed rod (31) is sleeved with a fixed wheel sleeve (32) and a movable wheel sleeve (33), the fixed wheel sleeve (32) is located on the fixed rod (31) and fixedly connected with the fixed rod (31), the movable wheel sleeve (33) is located below the fixed rod (31) and slides along the axis direction of the fixed rod (31), the fixed wheel sleeve (32) is provided with a first traction wheel (34) in a rotating manner, and the movable wheel sleeve (33) is provided with a second traction wheel (35) in a rotating manner.

4. The wire pay-off stand for the large winding roll as claimed in claim 3, wherein an elastic member (36) is arranged between the fixed wheel sleeve (32) and the movable wheel sleeve (33), one end of the elastic member (36) is fixedly connected with the fixed wheel sleeve (32), and the other end of the elastic member (36) is fixedly connected with the movable wheel sleeve (33).

5. The wire pay-off stand for the large winding roll is characterized in that a rotating speed adjusting mechanism (4) for limiting the moving speed of the wire is further arranged on the base frame (1), the rotating speed adjusting mechanism (4) comprises a brake disc (41) rotatably arranged on the base frame (1) and a brake assembly (42) for limiting the rotating speed of the brake disc (41), a first gear (411) is coaxially and fixedly arranged on the brake disc (41), and a second gear (231) meshed with the first gear (411) is coaxially and fixedly arranged at one end, away from the large winding roll, of the first rotating shaft (23);

the brake component (42) comprises a rotating rod (421) which is rotatably arranged on the base frame (1) and a resisting rod (422) which is slidably arranged on the base frame (1), the rotating axis of the rotating rod (421) is parallel to the axis of the brake disc (41), a guide rotating sleeve (423) and a traction sleeve (424) are sleeved on the rotating rod (421), the rotating guide sleeve (423) and the traction sleeve (424) both slide along the axial direction of the rotating rod (421), the rotating guide sleeve (423) is hinged with the movable wheel sleeve (33), the resisting rod (422) slides along the direction close to or far away from the brake disc (41), one end of the resisting rod (422) far away from the brake disc (41) is hinged with the traction sleeve (424), one end of the abutting rod (422) close to the brake disc (41) is detachably provided with a brake pad (425) abutting against the outer circular surface of the brake disc (41).

6. The wire pay-off stand for the large winding reel as claimed in claim 5, wherein a distance limiting part (426) is arranged between the rotating guide sleeve (423) and the traction sleeve (424), the distance limiting part (426) comprises a first distance limiting plate (4261) fixedly arranged on the rotating guide sleeve (423) and a second distance limiting plate (4262) fixedly arranged on the traction sleeve (424), a distance adjusting groove (4263) is formed in the second distance limiting plate (4262), a distance adjusting block (4264) embedded in the distance adjusting groove (4263) is fixedly arranged on the second distance limiting plate (4262), and the distance adjusting block (4264) is in sliding connection with the distance adjusting groove (4263).

7. A wire pay-off stand for a large winding reel as defined in claim 1, wherein a fastening plate (25) is fixedly provided at an end of the first rotary shaft (23) embedded in the large winding reel, the fastening plate (25) having a large end and a small end, the small end of the fastening plate (25) extending into the large winding reel.

8. The wire pay-off rack for the large winding roll as claimed in claim 1, wherein a ball groove (222) is formed in the sliding groove (221) along the circumferential direction of the axis of the first rotating shaft (23), and a plurality of sliding balls (223) are mounted in the ball groove (222).

9. A wire pay-off stand for a large winding reel as claimed in claim 1, wherein said locking groove (11) is inclined outwardly in a direction close to said upper stand end.

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