CN220165498U - Automatic expansion and contraction material receiving disc - Google Patents

Abstract

The utility model discloses an automatic expansion and contraction material receiving disc, which comprises a paper tube, a main fixing disc, expansion and contraction sheets, a rolling shaft and a rolling support assembly, wherein the paper tube, the main fixing disc and the rolling shaft are coaxially arranged; the outer peripheral surface of the main fixing disc is provided with a groove, the expansion and contraction piece is correspondingly embedded in the groove, the surface, opposite to the groove, of the inner side of the expansion and contraction piece is a guide surface, the guide surface is an inclined surface, a rolling support assembly is arranged between the two guide surfaces, when external force acts on the outer side of the paper tube, the paper tube rotates positively relative to the winding shaft, the paper tube can drive the expansion and contraction piece to rotate, the expansion and contraction piece moves circumferentially and radially in the groove at the same time, and the expansion and contraction piece arches outwards in the radial direction to perform winding operation; the material collecting disc can maintain the tensioning effect on the paper tube during winding, can reduce the manual assembly and disassembly time, and has convenient use and high production efficiency.

Description

Automatic expansion and contraction material receiving disc

Technical Field

The utility model belongs to the technical field of receiving trays, and particularly relates to an automatic expanding and contracting receiving tray.

Background

The slitting machine is used for uncoiling, longitudinally shearing and coiling the metal coiled plate into a coiled plate with a required width, and is suitable for processing various metal materials such as cold-rolled and hot-rolled carbon steel, silicon steel, tinplate, stainless steel and the like. After the slitting machine uncoils, the coiled material coiled after being split is rewound by adopting a material coiling disc so as to facilitate subsequent processing. A layer of rolled paper tube is arranged on the outer side of the material collecting disc, the rolled paper tube is adhered and fixed on the inner layer of the strip coil during rolling, and the paper tube full of the disc is separated from the material collecting disc after rolling is completed. Because the metal coil has large mass, the metal coil has large tension on the paper tube during coiling, and the paper tube and the material collecting tray are kept relatively fixed during coiling in order to avoid slipping of the paper tube. The existing material receiving disc is of a combined structure and is divided into an outer side A disc and an inner side B disc, before winding, the A disc and the B disc which are filled with paper tubes are locked by screws by a screwdriver, when the combined material receiving disc is filled with a winding shaft, various additional friction fittings are used for matching, after winding is completed, coiled materials are taken out from the material receiving disc, locking screws of the A disc and the B disc are taken out by the screwdriver again, the whole process is complex, the time is too long, the efficiency is low, the service life of the combined disc can be influenced by repeated disassembly and assembly, the manufacturing cost is increased, and development and innovation are required.

Disclosure of Invention

Aiming at the problems and the technical requirements, the utility model provides the automatic expansion and contraction receiving tray which can not only maintain the tensioning effect on the paper tube during rolling, but also reduce the manual assembly and disassembly time, and has convenient use and high production efficiency.

The technical scheme of the utility model is as follows: the automatic expanding and contracting material collecting disc comprises a paper tube, a main fixing disc, expanding and contracting sheets, a rolling shaft and a rolling support assembly, wherein the paper tube, the main fixing disc and the rolling shaft are coaxially arranged, the main fixing disc is fixedly sleeved on the rolling shaft, the paper tube is arranged on the outer side of the main fixing disc, a gap is reserved between the outer ring of the main fixing disc and the inner ring of the paper tube, and the outer ring of the paper tube is wound with a metal strip coil; the outer peripheral surface of the main fixing disc is provided with a groove, the expansion and contraction piece is correspondingly embedded in the groove, the outer side of the expansion and contraction piece is an arc surface, the surface, opposite to the groove, of the inner side of the expansion and contraction piece is a guide surface, the guide surface is an inclined surface, a rolling support assembly is arranged between the two guide surfaces, when external force acts on the outer side of the paper tube, the paper tube rotates positively relative to the winding shaft, the paper tube can drive the expansion and contraction piece to rotate, the expansion and contraction piece moves circumferentially and radially in the groove at the same time, the expansion and contraction piece arches outwards in the radial direction, and the paper tube is automatically tensioned for winding operation; when the paper tube rotates reversely relative to the winding shaft, the expansion and contraction piece can automatically shrink inwards to loosen the inner ring of the paper tube. In this scheme, set up the guide rail face as the inclined plane, when the piece that expands and contracts slides on the inclined plane, the piece that expands and contracts can take place the displacement in radial, expands promptly and contracts outward or inwards, and outward expansion can tensioning paper tube, and inwards contraction can loosen the paper tube, satisfies the during operation and keeps tensioning, the easy demand of dismantling when getting and putting the coiled material.

Further, the recess of main fixed disk periphery is semicircle annular, and the inboard of semicircle ring still is equipped with a plurality of spouts along circumference interval, and the spout bottom surface is the support guide rail face, and the roll support assembly adheres to and sets up on the support guide rail face, and the degree of depth of spout relative lateral wall is inconsistent, and the expansion piece slides to shallow lateral wall when forward rotating, and the expansion piece slides to deep lateral wall when reversing. The expansion and contraction piece slides to the shallow side wall when forward rotating, the expansion and contraction piece expands and contracts the paper tube outwards, when the expansion and contraction piece pushes against the paper tube, the winding shaft drives the main fixing disc to rotate reversely, friction force between the expansion and contraction piece and the paper tube drives the paper tube to rotate reversely and wind, and the shallow side wall has a limiting effect on the expansion and contraction piece and can ensure that the expansion and contraction piece rotates along with the main fixing disc.

Further, the rolling support assembly comprises balls and a ball base, the ball base is of a flat rectangular structure, a plurality of spherical cavities for accommodating the balls are formed in the ball base, the tops of the spherical cavities are open, and the balls are outwards protruded out of the surface of the ball base through the openings.

Further, the rolling support assembly is detachably connected with the support guide surface, two parallel ribs are arranged on the support guide surface, and the ball base is correspondingly embedded between the two ribs. The rolling support component is a wearing part, and the detachable structure is convenient to replace.

Further, the shape of the expansion and contraction piece is consistent with that of the groove, the size is reduced in equal proportion, the inner side of the expansion and contraction piece is convexly provided with a sliding block, the sliding block is correspondingly embedded into the sliding groove, an inclined surface on the sliding block is a rolling guide surface, the rolling guide surface is pressed on the rolling balls, and the sliding block slides along the supporting guide surface under the action of the rolling balls.

Further, an elastic cushion layer is adhered to the circular arc part of the outer periphery of the main fixing plate.

Further, two separation convex strips are arranged on the peripheral arc surface of the expansion sheet, the separation convex strips divide the arc surface into three areas, the middle part is a temporary rubber coating area, the left side and the right side are fixed rubber coating areas, and elastic cushion layers which are the same as the outer side of the main fixing disc in material and have the same thickness are adhered to the fixed rubber coating areas. The rubber coating area has the function that when the empty paper tube is arranged in the main fixing disc, the surface layer of the rubber body contacts with the inner ring of the paper tube, so that a certain friction force is established between the expansion and contraction piece and the inner ring of the paper tube, the coiled tape is pulled at the outer side of the paper tube, tension is applied to the paper tube to drive the paper tube to rotate positively, the paper tube can drive the expansion and contraction piece to rotate positively together, and the expansion and contraction piece expands outwards to tension the paper tube.

Further, the elastic cushion layer is made of polyurethane.

Further, a plurality of baffle plates are arranged on two end faces of the main fixing disc, each baffle plate is correspondingly blocked on the outer side of the end face of one sliding block, and the baffle plates are detachably connected with the main fixing disc. The baffle can prevent the expansion and contraction piece from falling off from the main fixed disk in an inclined state, so that the safety is improved, the expansion and contraction piece is ensured to be kept in a vertical state in the expansion and contraction process, the expansion and contraction piece is prevented from shifting in the winding process, and the winding quality is improved.

Compared with the prior art, the utility model has the beneficial effects that: 1) The material receiving disc consists of a main fixed disc and an expansion and contraction piece, the expansion and contraction piece can automatically expand and contract relative to the main fixed disc, the blank paper tube feeding and coiled material discharging are facilitated, the manual assembly and disassembly time is shortened, and the production efficiency is high; 2) The expansion and contraction of the expansion and contraction piece can be controlled by pulling the paper tube from the outside, the control action is simple, the expansion and contraction piece is sensitive in reaction, and the operation is convenient; 3) The rubber coating is arranged on the outer sides of the main fixing disc and the expansion sheet, the paper tube is tensioned by the rubber coating on the outer sides of the main fixing disc and the expansion sheet, the friction force can be increased by the rubber coating, slipping between the material collecting disc and the paper tube in the material rolling process is prevented, and the rolling effect is ensured; 4) Due to the simplified structure, the material receiving disc reduces additional friction fittings and saves production cost.

Drawings

FIG. 1 is an overall structure diagram of a receiving tray of the present utility model;

FIG. 2 is an enlarged view of the take-up reel in a contracted state;

FIG. 3 is an enlarged view of the tray in an expanded state;

FIG. 4 is a diagram of a scalable slice architecture;

FIG. 5 is a diagram of a primary holding pan structure;

FIG. 6 is a block diagram of a scrolling component assembly;

marked in the figure as: paper tube 1, tape roll 11, main fixing plate 2, groove 21, chute 22, supporting guide surface 221, ribs 2211, deep side wall 222, shallow side wall 223, elastic cushion layer 23, rolling support assembly 3, balls 31, ball base 32, expansion and contraction sheet 4, slider 41, rolling guide surface 411, partition rib 42, temporary encapsulation area 43, fixed encapsulation area 44, winding shaft 5, and baffle 6.

Detailed Description

The utility model is further described below with reference to the drawings and examples.

The utility model discloses an automatic expansion and contraction material collecting disc as shown in fig. 1-6, which comprises a paper tube 1, a main fixing disc 2, expansion and contraction sheets 4, a winding shaft 5 and a rolling support assembly 3, wherein the paper tube 1, the main fixing disc 2 and the winding shaft 5 are coaxially arranged, the main fixing disc 2 is fixedly sleeved on the winding shaft 5, the paper tube 1 is arranged outside the main fixing disc 2, a gap is reserved between the outer ring of the main fixing disc 2 and the inner ring of the paper tube 1, and the outer ring of the paper tube 1 is wound with a metal coil 11.

The outer peripheral surface of the main fixing plate 2 is provided with a groove 21, the expansion and contraction piece 4 is correspondingly embedded in the groove 21, specifically, the groove 21 at the outer periphery of the main fixing plate 2 is semicircular, a plurality of sliding grooves 22 are further formed in the inner side of the semicircular ring at intervals along the circumferential direction, the bottom surface of each sliding groove 22 is a supporting guide surface 221, the rolling supporting assembly 3 is attached to the supporting guide surfaces 221, the depth of the sliding grooves 22 relative to the side walls is inconsistent, the expansion and contraction piece 4 slides towards the shallow side walls 223 during forward rotation, and the expansion and contraction piece 4 slides towards the deep side walls 222 during reverse rotation. The rolling support assembly 3 is detachably connected with the support guide surface 221, two parallel ribs 2211 are arranged on the support guide surface 221, and the ball base 32 is correspondingly embedded between the two ribs 2211. The rolling support assembly 3 comprises a ball 31 and a ball base 32, the ball base 32 is of a flat rectangular structure, a plurality of spherical cavities for accommodating the ball 31 are arranged in the ball base 32, the tops of the spherical cavities are open, and the ball 31 protrudes outwards from the surface of the ball base 32 through the opening.

The outer side of the expansion and contraction piece 4 is an arc surface, the surface, opposite to the groove 21, of the inner side of the expansion and contraction piece 4 is a guide surface, the guide surface is an inclined surface, a rolling support assembly 3 is arranged between the two guide surfaces, when external force acts on the outer side of the paper tube 1, the paper tube 1 rotates positively relative to the rolling shaft 5, the paper tube 1 can drive the expansion and contraction piece 4 to rotate, the expansion and contraction piece 4 moves circumferentially and radially in the groove 21 at the same time, the expansion and contraction piece 4 arches outwards in the radial direction, and the paper tube 1 is tensioned automatically to perform rolling operation; specifically, the shape of the expansion and contraction piece 4 is consistent with that of the groove 21, but the size and the like are reduced in proportion, the inner side of the expansion and contraction piece 4 is convexly provided with a sliding block 41, the sliding block 41 is correspondingly embedded into the sliding groove 22, the inclined surface on the sliding block 41 is a rolling guide surface 411, the rolling guide surface 411 is pressed on the ball base 32, and under the action of the balls 31, the sliding block 41 slides along the supporting guide surface 221; an elastic cushion layer 23 is adhered to the circular arc part of the outer periphery of the main fixing plate 2, and the elastic cushion layer 23 is made of polyurethane.

Two separation raised strips 42 are arranged on the peripheral circular arc surface of the expansion sheet 4, the separation raised strips 42 divide the circular arc surface into three areas, the middle part is a temporary rubber coating area 43, the left side and the right side are fixed rubber coating areas 44, and the fixed rubber coating areas 44 are adhered with elastic cushion layers 23 which are the same as the outer side of the main fixed disc 2 in material and consistent in thickness. The rubber coating area is used for enabling the surface layer of the rubber coating to contact with the inner ring of the paper tube when the empty paper tube is arranged in the main fixing disc 2, so that a certain friction force is established between the expansion and contraction piece 4 and the inner ring of the paper tube, at the moment, the outer side of the paper tube 1 is pulled to drag the coiled tape, the paper tube 1 is driven to rotate forwards by applying tension to the paper tube 1, and the paper tube 1 can drive the expansion and contraction piece 4 to rotate forwards together, and the expansion and contraction piece 4 expands outwards to tension the paper tube 1.

A plurality of baffle plates 6 are arranged on the two end faces of the main fixed disc 2, each baffle plate 6 is correspondingly blocked on the outer side of the end face of one sliding block 41, and the baffle plates 6 are detachably connected with the main fixed disc 2. The baffle 6 can prevent the expansion and contraction piece 4 from falling off from the main fixing plate 2 in an inclined state, thereby improving the safety.

The working process of the utility model comprises the following steps:

and (3) mounting a expansion sheet: a baffle plate 6 is fixedly arranged at the position of each sliding groove 22 on one end face of the main fixing disc 2, the expansion and contraction piece 4 is correspondingly inserted into the groove 21 from the other end of the main fixing disc 2, after the expansion and contraction piece 4 is inserted into place, the baffle plate 6 is correspondingly arranged at each sliding groove 22 on the other end of the main fixing disc 2, and the baffle plates 6 block the two ends of the expansion and contraction piece 4, so that the expansion and contraction piece 4 is prevented from falling off from the two ends due to inclination.

Before winding: the main fixing disc 2 is fixedly arranged on the collecting shaft 5, the sliding block 41 of the expansion and contraction piece 4 leans against the deep side wall 222, the whole collecting disc is in a contracted state, the temporary rubber coating area 43 of the expansion and contraction piece 4 is subjected to rubber coating treatment, the rubber coating thickness is larger than that of the fixed rubber coating area 44, the paper tube 1 is sleeved on the outer ring of the collecting disc, the inner ring of the paper tube is contacted with the rubber body of the temporary rubber coating area 43, and at the moment, the collecting shaft 5, the main fixing disc 2 and the paper tube 1 are coaxial.

When rolling, the rolling is carried out: the winding shaft 5 drives the main fixing disc 2 to rotate reversely, because friction force exists between the inner ring of the paper tube 1 and the expansion and contraction piece 4, the sliding block 41 of the expansion and contraction piece 4 passively slides to the shallow side wall 223 of the sliding groove 22, in the process, the tension of the winding belt 11 on the production line applies reaction force to the paper tube 1, the reaction force expands the expansion and contraction piece 4 outwards further, the expansion and contraction piece 4 supports the paper tube 1 to arch upwards until the inner ring of the paper tube 1 and the expansion and contraction piece 4 are contacted with the elastic buffer cushion layer 23 of the main fixing disc 2, at the moment, the paper tube 1 is eccentric relative to the winding shaft 5, but the eccentric size is small, so that the running of the winding is not influenced, and enough friction force exists between the inner ring of the paper tube and the winding disc, so that tension is kept between the paper tube 1 and the winding disc during winding, and winding is prevented.

After rolling: the rolling shaft 5 drives the main fixed disc 2 to rotate forward, the sliding block 41 of the expansion and contraction piece 4 slides to the deep side wall 222, the expansion and contraction piece 4 contracts inwards in the radial direction, the paper tube 1 is separated from the material collecting disc, and the paper tube 1 fully wound with the rolling belt 11 can be pushed out of the material collecting disc at the moment.

While the utility model has been described with respect to several preferred embodiments, the scope of the utility model is not limited thereto, and any changes and substitutions that would be apparent to one skilled in the art within the scope of the utility model are intended to be included within the scope of the utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims (9)

1. Automatic expansion and contraction receiving tray, its characterized in that: the paper tube, the main fixing disc and the winding shaft are coaxially arranged, the main fixing disc is fixedly sleeved on the winding shaft, the paper tube is arranged on the outer side of the main fixing disc, a gap is reserved between the outer ring of the main fixing disc and the inner ring of the paper tube, and the outer ring of the paper tube is wound with a metal coil; the outer peripheral surface of the main fixing disc is provided with a groove, the expansion and contraction piece is correspondingly embedded in the groove, the outer side of the expansion and contraction piece is an arc surface, the surface, opposite to the groove, of the inner side of the expansion and contraction piece is a guide surface, the guide surface is an inclined surface, a rolling support assembly is arranged between the two guide surfaces, when external force acts on the outer side of the paper tube, the paper tube rotates positively relative to the winding shaft, the paper tube can drive the expansion and contraction piece to rotate, the expansion and contraction piece moves circumferentially and radially in the groove at the same time, the expansion and contraction piece arches outwards in the radial direction, and the paper tube is automatically tensioned for winding operation; when the paper tube rotates reversely relative to the winding shaft, the expansion and contraction piece can automatically shrink inwards to loosen the inner ring of the paper tube.

2. The automatic expansion and contraction receiving tray according to claim 1, wherein: the groove of main fixed disk periphery is semicircle annular, and the inboard of semicircle ring still is equipped with a plurality of spouts along circumference interval, and the spout bottom surface is the support guide rail face, and the roll support assembly adheres to and sets up on the support guide rail face, and the degree of depth of spout relative lateral wall is inconsistent, slides to shallow lateral wall when the expansion piece corotation, slides to deep lateral wall when the expansion piece is reversed.

3. The automatic expansion and contraction receiving tray according to claim 2, wherein: the rolling support assembly comprises balls and a ball base, the ball base is of a flat rectangular structure, a plurality of spherical cavities for accommodating the balls are formed in the ball base, the tops of the spherical cavities are open, and the balls are outwards protruded out of the surface of the ball base through the openings.

4. An automatic expansion and contraction receiving tray according to claim 3, wherein: the rolling support assembly is detachably connected with the support guide rail surface, two parallel ribs are arranged on the support guide rail surface, and the ball base is correspondingly embedded between the two ribs.

5. The automatic expansion and contraction receiving tray according to claim 4, wherein: the shape of the expansion and contraction piece is consistent with that of the groove, the size is reduced in equal proportion, the inner side of the expansion and contraction piece is convexly provided with a sliding block, the sliding block is correspondingly embedded into the sliding groove, an inclined surface on the sliding block is a rolling guide surface, the rolling guide surface is pressed on the ball, and the sliding block slides along the supporting guide surface under the action of the ball.

6. The automatic expansion and contraction receiving tray according to claim 5, wherein: an elastic cushion layer is adhered to the circular arc part of the periphery of the main fixing disc.

7. The automatic expansion and contraction receiving tray according to claim 6, wherein: the expansion sheet is characterized in that two separation convex strips are arranged on the peripheral arc surface of the expansion sheet, the separation convex strips divide the arc surface into three areas, the middle part is a temporary rubber coating area, the left side and the right side are fixed rubber coating areas, and an elastic cushion layer with the same material and the same thickness as the outer side of the main fixing disc is adhered on the fixed rubber coating areas.

8. The automatic expansion and contraction receiving tray according to claim 7, wherein: the elastic cushion layer is made of polyurethane.

9. The automatic expansion and contraction receiving tray according to claim 8, wherein: a plurality of baffle plates are arranged on the two end faces of the main fixed disc, each baffle plate is correspondingly blocked on the outer side of the end face of one sliding block, and the baffle plates are detachably connected with the main fixed disc.