CN220744792U - Cantilever type coil unloading and storing device capable of rotating and lifting - Google Patents

Abstract

The utility model relates to the field of processing of copper and copper alloy strips, in particular to a rotary lifting cantilever coil unloading and storing device. The utility model is improved again on the basis of the single-arm coil stripping device, firstly, the single arm is changed into double arms, copper strips can be placed on both sides, and the balanced support is safer and firmer; secondly, a handle is arranged above the center column, and is rotated to drive an internal screw rod to realize lifting adjustment of double arms so as to meet the requirement of stable unloading of reels with different winding diameters; thirdly, slotting in the center of the front end of each load arm and perpendicular to the ground direction for cutting in a lifting hook, so that the lifting hook is convenient to hoist; four positioning clamping grooves are designed in the circumferential direction of the bearing gland, and the positioning clamping plates are adjusted through foot stepping, so that the coil stripping arm can be rotated at four different working positions of 90 degrees, 180 degrees, 270 degrees and 360 degrees. Through improving the aspects, the novel rotary lifting cantilever coil unloading device is put into use, and the problem that the coil is convenient to unload when the slitting coil strip is unloaded by the longitudinal shears is solved.

Description

Cantilever type coil unloading and storing device capable of rotating and lifting

Technical Field

The utility model relates to the field of processing of copper and copper alloy strips, in particular to a rotary lifting cantilever coil unloading and storing device.

Background

After slitting of the copper and copper alloy strips is completed, the winding drum is contracted, the material roll is separated from the winding drum, the material roll is hung on the winding drum, the material roll is supported by the roll unloading trolley, the bottom of the material roll is slowly moved out of the winding drum, a C-shaped hook is hung below a crane hook, the C-shaped hook head is close to the end face of the winding drum of the winding machine, the material roll is unloaded onto the C-shaped hook from the winding drum and then transferred onto a fixed material unloading frame through the C-shaped hook, the process is completed, but the crane is a double-beam crane with a cab and is operated by special operators, the C-shaped hook needs to be specially used for receiving the material roll, auxiliary operators are beside the material roll to support the material roll, the material roll is prevented from being knocked down by the roll unloading trolley, and in order to reduce the risk of crane damage and object strike caused by the concentrated personnel during roll unloading of the crane and the span workers, and the working time affecting a slitting machine set is designed to be of a convenient and practical roll unloading storage device.

At present, more coil unloading devices are adopted, one is a discharging trolley, the device designs a bearing surface into a V-shaped surface, rollers are arranged at the bottom of the bearing surface, lifting and back-and-forth movement are realized through a hydraulic device, and the device is suitable for large coils of copper strips which are not cut, has large coil width and cannot be fallen; the other is a single-arm coil stripping device, which is applicable to the cut copper strips, is rotatable but can not realize height adjustment, the diameters of the coiling drums are 300, 400 and 500, the top surface of the coil stripping arm is slightly lower or flatter than the minimum drum when the coil stripping arm is initially installed according to the requirement of a user, the coil stripping is inconvenient to strip for a slightly larger drum, the single-arm bearing is overlarge, the toppling collision is easy to cause, and the safety risk and the quality risk exist.

Disclosure of Invention

The utility model provides a rotary lifting cantilever coil unloading and storing device, which aims to solve the technical problems that the height of a coil unloading device used after the conventional copper and copper alloy strips are longitudinally sheared and cut is difficult to adjust and the single-arm load bearing is too large to easily incline.

The utility model is realized by adopting the following technical scheme: a cantilever coil unloading and storing device capable of rotating and lifting comprises a base and a column fixed on the base; the outer side of the upright post is sleeved with a positioning sleeve, a gland on the top of the upright post is arranged at the top end opening of the positioning sleeve, a step structure is formed on the inner side of the upper part of the positioning sleeve, an inner-ring-free needle bearing is arranged below the step structure, an inner-ring-free needle bearing is also arranged on the inner side of the positioning sleeve at a position close to the bottom port, a positioning end cover sleeved on the outer side of the upright post is arranged at the bottom port of the positioning sleeve, and the inner-ring-free needle bearing is in interference fit with the inner wall of the positioning sleeve; the top of the upright post is fixed with a positioning cover, a supporting cover is fixedly arranged above the positioning cover, the middle part of the supporting cover protrudes upwards and forms a cavity structure with the positioning cover, and a bearing positioning block and a one-way thrust ball bearing are accommodated in the cavity structure from top to bottom; the center of the gland is provided with a hole, the center below the gland is fixedly provided with a nut, the centers of the supporting cover and the bearing positioning block are also provided with holes, a screw rod matched with the nut is arranged through the holes and the nuts, the front end of the screw rod is connected with the bearing positioning block, the bearing positioning block is connected with the shaft collar at the upper part of the unidirectional thrust ball bearing, and the top end of the screw rod is positioned above the gland and is fixedly provided with a handle; the needle roller bearing without the inner ring is in clearance fit with the outer wall of the upright post; at least two coil unloading arms are arranged at equal intervals on the periphery of the positioning sleeve; each coil stripping arm is horizontally provided with a load arm, and a plurality of load arms are arranged at equal intervals around the upright post; the load arm is internally provided with a lifting hook groove along the trend of the load arm from the front end; a plurality of limiting clamping grooves are formed around the outer edge of the positioning end cover, and a rotary positioning device matched with the limiting clamping grooves is arranged on the base.

When the utility model is applied, the integral height of each part including the locating sleeve, the coil discharging arm and the load arm is adjusted by rotating the handle, the handle rotates to drive the screw rod to rotate, the bottom of the screw rod is connected with the shaft collar of the unidirectional thrust ball bearing through the bearing locating block, the screw rod can rotate around the center of the screw rod, the nut can move up and down along the screw rod under the drive of the screw rod, and then the locating sleeve, the needle bearing without the inner ring, the locating end cover, the gland, the coil discharging arm and the load arm are driven to move up and down along the upright post integrally; after the position of the load arm reaches a proper position, the load arm is rotated, the load arm and the positioning sleeve rotate integrally around the upright post, meanwhile, the nut and the screw rod rotate together (the nut and the screw rod are relatively static), namely, the screw rod, the nut, the positioning sleeve, the positioning end cover, the gland, the coil discharging arm and the load arm synchronously rotate around the upright post under the action of the unidirectional thrust ball bearing, and the inner ring needle bearing does not play a role in transmitting rotation. After the position of the load arm is adjusted, the positioning sleeve is positioned by the rotary positioning device, so that the load arm is positioned, and coil unloading operation can be performed through a crane at the moment; the lifting hook groove formed in the load arm facilitates the lifting hook to extend into, and then the material roll can be lifted onto the load arm more conveniently. Because of the adoption of a plurality of load arms, the device can play a role of a balance weight, prevent the device from swinging and can load and unload a plurality of material rolls.

The utility model provides a rotary lifting cantilever type coil unloading and storing device for equipment in a coil production mode, which effectively solves the problems of unfirm fixation, difficult lifting and the like of the coil unloading device, effectively prevents a load arm from freely swinging, saves coil unloading time and improves intrinsic safety.

The utility model has ingenious conception, simple structure and convenient operation, achieves very good technical effect through simple improvement, can be popularized to other roll-type production equipment or procedures, and has wide application range.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a top view of fig. 1 (including a spool).

Fig. 3 is a cross-sectional view A-A of fig. 1.

Fig. 4 is an enlarged schematic view of the rotary positioning device.

Fig. 5 is a schematic view of coil stripping arm and load arm construction.

Fig. 6 is a top view of fig. 5.

FIG. 7 is a schematic diagram of the connection structure of the base and the upright.

Fig. 8 is a schematic top view of the base and the column.

FIG. 9 is a schematic view of a bearing positioning block.

Fig. 10 is a top view of fig. 9.

The device comprises a base, a first hexagonal head bolt, a 3-plain washer, a 4-positioning end cover, a 5-felt, a 6-inner ring-free needle bearing, a 7-upright post, an 8-positioning sleeve, a 9-coil stripping arm, a 10-positioning cover, a 11-supporting cover, a 12-plain key, a 13-screw rod, a 14-gland, a 15-key, a 16-second hexagonal head bolt, a 17-bolt fastening shaft end retainer ring, a 18-handle, a 19-nut, a 20-inner hexagonal head screw, a 21-third hexagonal head bolt, a 22-bearing positioning block, a 23-unidirectional thrust ball bearing, a 24-fourth hexagonal head bolt, a 25-load arm, a 26-inner thread cylindrical pin, a 27-rotating positioning device, a 28-lifting hook groove, a 29-limiting clamping groove and 30-different coil diameter reels;

271-support, 272-first pivot, 273-L gag lever post, 274-first sleeve, 275-connecting rod, 276-second sleeve, 277-second pivot, 278-pivot mount, 279-spring.

Detailed Description

Example 1

As shown in fig. 1 and 2, a cantilever coil unloading and storing device capable of rotating and lifting comprises a base 1 and a stand column 7 fixed on the base; the outer side of the upright post 7 is sleeved with a positioning sleeve 8, a gland 14 positioned above the top of the upright post 7 is arranged at the top end opening of the positioning sleeve 8, a step structure is formed at the inner side of the middle upper part of the positioning sleeve 8, an inner-ring-free needle bearing 6 is arranged below the step structure, an inner-ring-free needle bearing 6 is also arranged at a position close to the bottom port of the positioning sleeve 8, a positioning end cover 4 sleeved outside the upright post 7 is arranged at the bottom port of the positioning sleeve 8, and the inner-ring-free needle bearing 6 is in interference fit with the inner wall of the positioning sleeve 8; the top of the upright post 7 is fixedly provided with a positioning cover 10, a supporting cover 11 is fixedly arranged above the positioning cover 10, the middle part of the supporting cover 11 protrudes upwards and forms a cavity structure with the positioning cover 10, and a bearing positioning block 22 and a one-way thrust ball bearing 23 are accommodated in the cavity structure from top to bottom; the center of the gland 14 is provided with a hole, the center of the lower part of the gland 14 is fixedly provided with a nut 19, the centers of the supporting cover 11 and the bearing positioning block 22 are also provided with holes, a screw rod 13 matched with the nut 19 is arranged through the holes and the nuts 19, the front end of the screw rod 13 is connected with the bearing positioning block 22, the bearing positioning block 22 is connected with the upper shaft collar of the unidirectional thrust ball bearing 23, and the top end of the screw rod 13 is positioned above the gland 14 and is fixedly provided with a handle 18; the needle roller bearing 6 without the inner ring is in clearance fit with the outer wall of the upright post 7; two coil unloading arms 9 are arranged at equal intervals on the periphery of the positioning sleeve 8; each coil stripping arm 9 is horizontally provided with a load arm 25, and the two load arms 25 are arranged at equal intervals around the upright post 7; the load arm 25 is provided with a lifting hook groove 28 from the front end inwards along the load arm 25; 4 limit clamping grooves 29 are formed around the outer edge of the positioning end cover 4, and a rotary positioning device 27 matched with the limit clamping grooves 29 is arranged on the base 1. Adjacent limit clamping grooves 29 are arranged at intervals of 90 degrees. The two load arms are arranged 180 degrees apart. The two load arms are more stable.

Example 2

As shown in fig. 3 and 4, the rotary positioning device 27 includes a first rotating shaft 272 mounted on the base 1 through a support 271, a rotary compression rod mounted on the first rotating shaft 272, and an L-shaped limiting rod 273 rotatably connected to the rotary compression rod; the inflection point of the L-shaped limiting rod 273 is rotatably arranged on a fixed seat; the vertical section of the L-shaped limiting rod 273 can be clamped into the limiting clamping groove 29;

the rotary compression rod comprises a first sleeve 274 connected with a first rotary shaft 272, a connecting rod 275 arranged in the first sleeve 274, a second sleeve 276 sleeved outside the connecting rod 275, a second rotary shaft 277 fixedly connected with the top of the second sleeve 276, and a rotary shaft mounting seat 278 for mounting the second rotary shaft 277; the first and second sleeves and the connecting rod 275 are sleeved with springs 279, and the L-shaped limiting rod 273 is connected with a rotating shaft mounting seat 278.

Due to the L-shaped limiting rod, the relative stroke between the second sleeve and the connecting rod is limited, and the second sleeve cannot be separated from the connecting rod to fall off. Because the L-shaped limiting rod is matched with the spring, the L-shaped limiting rod is just propped against the locating sleeve under normal conditions, so that the L-shaped limiting rod can be clamped in the limiting clamping groove to limit the locating sleeve; of course, when the L-shaped limiting rod is clamped in the limiting clamping groove, the first rotating shaft and the second rotating shaft can be positioned through the positioning pin and the corresponding baffle plate, so that the L-shaped limiting rod is prevented from rotating; when the L-shaped limiting rod needs to be rotated, the positioning pin is pulled out, the horizontal section of the L-shaped limiting rod is pedaled, the second sleeve moves along the connecting rod, the spring is compressed, one end of the L-shaped limiting rod simultaneously rotates around the second rotating shaft, and meanwhile, the inflection point of the L-shaped limiting rod also rotates around the rotating shaft of the L-shaped limiting rod, so that limiting is relieved. The spring is convenient for the automatic return of the L-shaped limiting rod.

Example 3

As shown in fig. 5 and 6, the coil stripping arm 9 comprises a mounting cylinder horizontally welded on the outer side of the positioning sleeve 8, and reinforcing plates are welded between the upper part and the lower part of the mounting cylinder and the positioning sleeve; the load arm 25 is made of a steel rod, and the steel rod is inserted into the mounting cylinder and fastened through radial bolts. As shown in fig. 7 and 8, four corners of the base 1 are perforated and fixed on the ground through foundation bolts; the upright post 7 is arranged in the center of the base; four reinforcing plates are arranged on the base 1 around the upright posts, and the reinforcing plates are welded with the upright posts and the base.

Example 4

The center of the bearing positioning block 22 is provided with a hole, the lower bottom surface of the bearing positioning block 22 is provided with an annular groove, and the annular groove is tightly matched with the upper shaft collar of the unidirectional thrust ball bearing 23; the front end of the screw rod 13 is inserted into the central hole of the bearing positioning block 22 and is connected with a bolt through the flat key 12, and the front end of the bolt is fixedly connected with an axial baffle plate positioned on the lower surface of the bearing positioning block 22. The structure can realize the connection of the screw rod and the shaft collar of the unidirectional thrust ball bearing 23, and ensure the positioning and rotation of the screw rod. When the screw rod rotates, the bearing positioning block can synchronously rotate with the upper end face of the unidirectional thrust ball bearing.

In fig. 1, a locating end cap 4 is mounted to the bottom port of a locating sleeve 8 by a plurality of first hex head bolts 2 and mating flat washers 3; a felt 5 is fixed on the inner side of the positioning end cover 4 to reduce friction damage between the positioning end cover and the upright post 7; the handle 18 is provided with a second hexagon head bolt 16 in the central hole, the front end of the second hexagon head bolt 16 is connected with the top of the screw rod 13 through a key 15, and the outer part of the second hexagon head bolt 16 is fastened through a bolt fastening shaft end check ring 17.

The nut 19 is connected with the gland 14 through a hexagon socket head cap screw 20, and the gland 14 is connected with the top port of the positioning sleeve 8 through a third hexagon head bolt 21; the positioning cover 10, the supporting cover 11 and the upright post 7 are connected through a fourth hexagon head bolt 24; the upright post 7 is divided into two ends, the upper half section is sleeved in the lower half section of the cylinder, a step-shaped boss is arranged in the lower half section to support the upper half section, and positioning is achieved between the upper half section and the lower half section through an internal thread cylindrical pin 26.

The specific embodiments of the present utility model are as follows:

1. designing a base with the specification of 1000 multiplied by 1200, forming holes in four corners of the base, and fixing the base on the ground through secondarily embedded foundation bolts; the column sleeve is welded at the center of the base, and trapezoidal steel plates are symmetrically welded on the front and the back of the base, so that the center upright column and the base are integrated, and the column sleeve is firmer and firmer.

2. The circumference of the positioning sleeve of the coil unloading arm 5 is provided with a limiting clamping groove 29, a foot-operated rotary positioning device 27 is arranged on the base, and the foot-operated rotary positioning device is inlaid with the limiting clamping groove 29 to fix the coil unloading arm 9 and prevent the coil unloading arm 9 from freely rotating back and forth. The two load arms 25 are steel bars with the diameter of phi 200mm, one ends of the two load arms are embedded into coil stripping arm holes, and the two load arms are fastened by bolts in the diameter direction; and a slot is formed in the center of the other end of the lifting hook and is perpendicular to the ground direction, so that the lifting hook is used for cutting in, and is convenient to hoist. The two load arms 25 are identical.

3. A handle 18 is arranged at the end part of a screw rod 13 on a gland 14 on the upright post 4, the handle 18 is rotated, and the screw rod 13 and a nut 19 relatively move to realize lifting adjustment of the coil stripping arm 9 and the load arm 25; when ascending, coil stripping arm 9 and no inner circle bearing 6, location end cover 4, gland 14, position sleeve 8 keep an organic whole, wholly rise and descend, with stand 7 relative motion, the surface of stand 7 is processed according to the bearing inner circle requirement, and during the rotation, stand 7 and coil stripping arm 9 take place relative rotation through no inner circle bearing 6, have both realized going up and down, have realized the rotation function again.

The utility model is based on a single-arm coil stripping device and is improved by redesign. Firstly, a single arm is changed into double arms (or multiple arms), copper strips can be placed on two sides, and balanced support is realized, so that the copper strips are safer and firmer; secondly, a handle is arranged above the center column, and is rotated to drive an internal screw rod to realize lifting adjustment of double arms so as to meet the requirement of stable unloading of reels with different winding diameters; thirdly, slotting in the center of the front end of each load arm and perpendicular to the ground direction for cutting in a lifting hook, so that the lifting hook is convenient to hoist; four positioning clamping grooves are designed in the circumferential direction of the bearing gland, and the positioning clamping plates are adjusted through foot stepping, so that the coil stripping arm can be rotated at four different working positions of 90 degrees, 180 degrees, 270 degrees and 360 degrees. Through improving the aspects, the novel rotary lifting cantilever coil unloading device is put into use, and the problem that the coil is convenient to unload when the slitting coil strip is unloaded by the longitudinal shears is solved.

Claims (8)

1. A cantilever coil unloading and storing device capable of rotating and lifting comprises a base (1) and a column (7) fixed on the base (1); the positioning sleeve is characterized in that a positioning sleeve (8) is sleeved outside the upright post (7), a gland (14) positioned on the top of the upright post (7) is arranged at the top end opening of the positioning sleeve (8), a step structure is formed on the inner side of the middle upper part of the positioning sleeve (8), an inner-ring-free needle bearing (6) is arranged below the step structure, an inner-ring-free needle bearing (6) is also arranged at the position close to the bottom port on the inner side of the positioning sleeve (8), a positioning end cover (4) sleeved on the outer side of the upright post (7) is arranged at the bottom port of the positioning sleeve (8), and the inner-ring-free needle bearing (6) is in interference fit with the inner wall of the positioning sleeve (8); a positioning cover (10) is fixed at the top of the upright post (7), a supporting cover (11) is fixedly arranged above the positioning cover (10), the middle part of the supporting cover (11) protrudes upwards and forms a cavity structure with the positioning cover (10), and a bearing positioning block (22) and a one-way thrust ball bearing (23) are accommodated in the cavity structure from top to bottom; the center of the gland (14) is provided with a hole, the center below the gland (14) is fixedly provided with a nut (19), the centers of the supporting cover (11) and the bearing positioning block (22) are also provided with holes, a screw rod (13) matched with the nut (19) is arranged through the holes and the nut (19), the front end of the screw rod (13) is connected with the bearing positioning block (22), the bearing positioning block (22) is connected with an upper shaft collar of the unidirectional thrust ball bearing (23), and the top end of the screw rod (13) is positioned above the gland (14) and is fixedly provided with a handle (18); the needle roller bearing (6) without the inner ring is in clearance fit with the outer wall of the upright post (7); at least two coil unloading arms (9) are arranged at equal intervals on the periphery of the positioning sleeve (8); each coil stripping arm (9) is horizontally provided with a load arm (25), and a plurality of load arms (25) are arranged at equal intervals around the upright post (7); a lifting hook groove (28) is formed in the load arm (25) from the front end inwards along the load arm (25); a plurality of limiting clamping grooves (29) are formed around the outer edge of the positioning end cover (4), and a rotary positioning device (27) matched with the limiting clamping grooves (29) is arranged on the base (1).

2. A cantilever type coil unloading and storing device according to claim 1, wherein the rotary positioning device (27) comprises a first rotating shaft (272) mounted on the base (1) through a support (271), a rotary compression rod mounted on the first rotating shaft (272), and an L-shaped limiting rod (273) rotatably connected with the rotary compression rod; the inflection point of the L-shaped limiting rod (273) is rotatably arranged on a fixed seat; the vertical section of the L-shaped limiting rod (273) can be clamped into the limiting clamping groove (29).

3. A cantilever type coil unloading and storing device according to claim 2, wherein the rotary compression rod comprises a first sleeve (274) connected with the first rotary shaft (272), a connecting rod (275) arranged in the first sleeve (274), a second sleeve (276) sleeved outside the connecting rod (275), a second rotary shaft (277) fixedly connected with the top of the second sleeve (276), and a rotary shaft mounting seat (278) for mounting the second rotary shaft (277); the first sleeve and the second sleeve are sleeved with springs (279) and the connecting rod (275), and the L-shaped limiting rod (273) is connected with a rotating shaft mounting seat (278).

4. A rotary lifting cantilever coil unloading and storing device according to any one of claims 1-3, characterized in that the number of the limit clamping grooves (29) is four, and the adjacent limit clamping grooves (29) are arranged at intervals of 90 degrees; the load arms (25) are arranged at 180 degrees intervals.

5. A rotary lifting cantilever coil unloading and storing device according to any one of claims 1-3, characterized in that the center of the bearing positioning block (22) is provided with a hole, the lower bottom surface of the bearing positioning block (22) is provided with an annular groove, and the annular groove is tightly matched with the upper shaft collar of the unidirectional thrust ball bearing (23); the front end of the screw rod (13) is connected with a bolt through a key (15), and the front end of the bolt is fixedly connected with an axial baffle plate positioned on the lower surface of the bearing positioning block (22).

6. A cantilever type coil unloading and storing device with rotary lifting as claimed in claim 4, characterized in that the coil unloading arm (9) comprises a mounting cylinder horizontally welded outside the positioning sleeve (8), and a reinforcing plate is welded between the upper and lower parts of the mounting cylinder and the positioning sleeve (8); the load arm (25) adopts a steel rod which is inserted into the mounting cylinder and is fastened through radial bolts.

7. A rotary lifting cantilever coil unloading and storing device according to any one of claims 1-3, characterized in that the four corners of the base (1) are perforated and fixed on the ground by anchor bolts; the upright post (7) is arranged at the center of the base (1).

8. A rotary lifting cantilever coil unloading and storing device according to claim 7, characterized in that the base (1) is provided with four reinforcing plates around the column, the reinforcing plates being welded to the column and the base.