CN113619323A

CN113619323A - Unwinding device and wall paper spread equipment of pasting

Info

Publication number: CN113619323A
Application number: CN202010374177.3A
Authority: CN
Inventors: 莫新; 陈威霖; 乔莉莉; 曹耿; 严启凡
Original assignee: Guangdong Bozhilin Robot Co Ltd
Current assignee: Guangdong Bozhilin Robot Co Ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-11-09
Anticipated expiration: 2040-05-06
Also published as: CN113619323B

Abstract

The invention belongs to the technical field of building equipment, and discloses an unreeling device and wallpaper paving and pasting equipment, wherein the unreeling device comprises a support, a central shaft and an end surface damping mechanism, wherein the central shaft is arranged on the support and used for bearing a material roll; the end face damping mechanism is arranged on the support and comprises an end face pressing plate, an axial movable ring and an elastic piece, the end face pressing plate is sleeved on the central shaft and rotates along with the central shaft, and one end of the end face pressing plate is abutted to the end face of the material roll; the axial movable ring is abutted against the other end of the end face pressing plate and used for providing damping for the rotation of the end face pressing plate; and the elastic piece is arranged on one side of the axial movable ring and used for driving the axial movable ring to extrude the end face pressing plate. The damping of this scheme forms the extrusion force between terminal surface pressure strip and axial movable ring, and the surface quality of terminal surface pressure strip and axial movable ring is known and controllable, can guarantee that the damping between the two is more reliable and stable, can provide the wall paper that has steady tensile force for paving subsides final controlling element.

Description

Unwinding device and wall paper spread equipment of pasting

Technical Field

The invention relates to the technical field of building equipment, in particular to an unreeling device and wallpaper paving and pasting equipment.

Background

The automatic building construction process relates to the feeding and discharging of various roll-shaped building materials, wherein the feeding of roll-shaped wallpaper is involved in the wallpaper paving construction process. At present, in the market, a motor is generally adopted for feeding wallpaper or other reel type materials, or a paper tube is naturally placed, and paper is fed by paper pulling power provided by an operating mechanism at a rear station. However, according to the demand environment, the two modes have disadvantages: firstly, a motor feeding mode: 1. mechanical structure is complicated relatively, 2, the operation of reloading is inconvenient, 3, the required speed of pay-off motor speed and back station will keep unanimous, and this has proposed higher requirement to control system, needs to increase other control components and parts, directly leads to increasing manufacturing cost and mechanical weight. Secondly, the mode of naturally placing the paper tube is as follows: 1. the repeated positioning precision of the paper tube is not high, and 2, the paper tube is loose in the feeding process, which has fatal influence on the processing precision of the subsequent procedure.

Based on the above situation, it is necessary to design a new feeding structure for roll material.

Disclosure of Invention

One object of the present invention is: the unwinding device is capable of providing more stable rotation damping for a material roll.

Another object of the invention is: the utility model provides a wall paper is spread and is pasted equipment can provide the wall paper that has steady tensile force.

In order to achieve the purpose, the invention adopts the following technical scheme:

in one aspect, an unwinding apparatus is disclosed, comprising

A support;

the central shaft is arranged on the bracket and is used for bearing a material roll;

terminal surface damping mechanism set up in the support is located one side of material book is rolled up, terminal surface damping mechanism includes:

the end face pressing plate is sleeved on the central shaft and rotates along with the central shaft in an unreeling state, and one end of the end face pressing plate is abutted to the end face of the material roll;

the axial movable ring is abutted against the other end of the end face pressing plate, can move along the axis of the central shaft relative to the support and is used for providing damping for the rotation of the end face pressing plate;

and the elastic piece is arranged on one side, away from the end face pressing plate, of the axial movable ring and used for driving the axial movable ring to extrude the end face pressing plate.

Specifically, through setting up the axial movable ring that follows material roll pivoted terminal surface pressure strip and can only axial displacement to make through the elastic component and form the damping of rotation direction between terminal surface pressure strip and the axial movable ring, for axial movable ring direct action material roll formation damped design, the damping of this scheme is formed in the extrusion force between terminal surface pressure strip and the axial movable ring, and the surface quality of terminal surface pressure strip and axial movable ring is known and controllable, and then can guarantee that damping between the two is more reliable and more stable.

Preferably, the elastic member is a spring. Further, the number of the elastic members is four, and the four elastic members are equally spaced in the circumferential direction. Through setting up four equidistant distribution's elastic component, can make terminal surface pressure strip and axial movable ring at the extrusion force trend unanimity of circumferencial direction different positions, and then make damping between the two more even and stable.

As a preferred technical scheme of the unreeling device, a through hole is formed in the support, the diameter of the through hole is larger than the outer diameter of the material roll, and the through hole is used for providing an abdicating channel arranged on the central shaft for the material roll; the end face damping mechanism further comprises an end cover fixing frame, the end face pressing plate, the axial movable ring and the elastic piece are all installed on the end cover fixing frame, and the end cover fixing frame is detachably installed on the support.

Specifically, through setting up through hole and detachable end cover mount can dismouting terminal surface damping mechanism fast and provide the abdicating passageway of material package adapted to the center pin is located to the realization quick with material roll cover under the prerequisite that need not to dismantle the center pin, and then improves the operating efficiency who changes the material and roll up.

Preferably, the end face damping mechanism further comprises a handle, and the handle is arranged on one side, away from the material roll, of the end cover fixing frame and used for taking and placing the end face damping mechanism.

As an optimal technical scheme of the unwinding device, the end surface damping mechanism further comprises a magnetic attraction piece, and the magnetic attraction piece is arranged on the end cover fixing frame and used for fixing the end cover fixing frame on the support.

Specifically, through setting up magnetism and inhale the piece, need not to carry out any extra connection operation and can accomplish to connect fixedly, further improved dismouting efficiency.

Preferably, the support is provided with magnets, the number of the magnets is the same as that of the magnetic suction pieces, and the magnets are in one-to-one correspondence with the magnetic suction pieces.

Preferably, the number of the magnetic parts is three, and the magnetic parts are arranged on one side of the end cover fixing frame close to the bracket at intervals. Furthermore, the magnetic part is in a long strip shape, so that the fixing reliability of the end surface damping mechanism and the support can be improved.

As an optimal technical scheme for the unwinding device, the end surface damping mechanism further comprises:

the pressure regulating plate, the pressure regulating plate is followed the axis of center pin set up with sliding in the end cover mount, and be located the elastic component is kept away from one side of axial activity circle is used for adjusting the compression length of elastic component.

Specifically, through setting up the pressure regulating plate changes the compression length of elastic component can be adjusted the elastic component acts on the extrusion force of axial activity circle, and then adjust the axial activity circle with damping between the terminal surface pressure strip.

the pressure fixing plate is arranged on the end cover fixing frame;

adjusting bolt, install in pressure fixed plate, adjusting bolt's one end connect in pressure adjustment plate is used for adjusting pressure adjustment plate is in the ascending position of axis direction of center pin.

Preferably, the adjusting bolt is in threaded connection with the pressure fixing plate, the tail end of the adjusting bolt abuts against the pressure adjusting plate, and the adjusting bolt is rotated to enable the adjusting bolt to generate axial displacement so as to push the pressure adjusting plate to move; or, adjusting bolt rotate connect in pressure fixed plate, and quilt pressure fixed plate axial is spacing, adjusting bolt with pressure regulating plate threaded connection, it is rotatory adjusting bolt, adjusting bolt axial fixity is motionless, pressure regulating plate is relative adjusting bolt takes place axial displacement, and then realizes pressure regulating plate removes.

Specifically, through setting up pressure regulating plate, pressure fixing plate and adjusting bolt can realize the damped size with simple and low-cost structure and adjust, and accommodation process is convenient and efficient moreover, easily promotes.

Preferably, the end cover mount includes fixed apron and fixed cover, the middle part of fixed apron is provided with the hole of stepping down, fixed cover set up in fixed apron is close to one side of terminal surface pressure strip and with it is coaxial to step down the hole. The axial movable ring and the pressure adjusting plate are arranged in the fixed sleeve in a sliding mode, and the pressure fixing plate covers the yielding hole.

Furthermore, the axial movable ring is connected with the fixed sleeve through a key so as to limit the axial movable ring to rotate in the circumferential direction.

Furthermore, the fixed sleeve is close to one end of the end face pressing plate is provided with an inner limiting boss, the end of the axial movable ring far away from the end face pressing plate is provided with an outer limiting boss, and the inner limiting boss is matched with the outer limiting boss to be used for limiting the limit position of the axial movable ring, so that the axial movable ring is prevented from being separated from the end cover fixing frame.

Preferably, the end surface damping mechanism further comprises a connecting shaft sleeve and a first bearing, the connecting shaft sleeve is sleeved on the central shaft, and the connecting shaft sleeve is rotatably connected with the axial movable ring through the first bearing; the end face pressure strip is connected to the one end of connecting sleeve, the other end of connecting sleeve is provided with the axle sleeve boss, the axial activity circle is located the axle sleeve boss with between the end face pressure strip, the axle sleeve boss is used for preventing connecting bearing breaks away from the axial activity circle.

Specifically, through setting up outer spacing boss interior spacing boss and axle sleeve boss can make terminal surface damping mechanism becomes a whole, avoids terminal surface damping mechanism looses the frame at the in-process of changing the material and rolling up, can effectively improve dismouting efficiency.

As an optimal technical scheme of the unwinding device, the end face damping mechanism further comprises a rubber ring, the rubber ring is arranged at one end, close to the end face pressing plate, of the axial movable ring, and the axial movable ring abuts against the end face pressing plate through the rubber ring.

Specifically, through setting up the rubber circle, on the one hand can produce relatively great damping with less axial extrusion force, on the other hand can make the resistance more even and stable.

As a preferred technical solution of the unwinding device, the support includes a left support and a right support, the central shaft penetrates through the left support and the right support, the material roll is accommodated between the left support and the right support, the end surface damping mechanism is disposed on one of the left support and the right support, and the other of the left support and the right support is provided with an end surface positioning mechanism for limiting an axial position of the material roll.

As an optimal technical scheme of the unwinding device, the end face positioning mechanism comprises:

the end face positioning plate is sleeved on the central shaft and is abutted against one side of the material roll, which is far away from the end face damping mechanism;

and the end face locking piece is arranged on one side, far away from the material roll, of the end face positioning plate, can be fixed at different axial positions of the central shaft and is used for limiting the axial position of the end face positioning plate.

Particularly, through setting up the terminal surface locking piece that can be fixed in the axial different positions of center pin, can with the terminal surface locating plate is fixed at different axial position, and then can adapt to the tight demand of clamp of the material of different length book, effectively improves the commonality of device.

Preferably, be provided with the shaft shoulder on the center pin, this unwinding device still includes axle head fixed establishment, axle head fixed establishment includes:

the second bearing is sleeved on the central shaft and is positioned on one side of the shaft shoulder, which is far away from the end face damping mechanism, and the shaft shoulder is abutted against the inner ring of the second bearing;

the bearing mounting seat is mounted in the bearing mounting seat, the outer side of one end, close to the end face damping mechanism, of the bearing mounting seat abuts against the inner side of the left support or the right support, and the inner side of one end, close to the end face damping mechanism, of the bearing mounting seat abuts against the outer ring of the second bearing;

the bearing pressing plate is arranged at one end, far away from the end face damping mechanism, of the bearing mounting seat and abuts against the outer ring of the second bearing;

and the shaft end fixing plate is arranged at the end part of the central shaft and is abutted against the inner ring of the second bearing.

Specifically, through the shaft end fixing mechanism, the center shaft can be fixed on the left support or the right support in a single side, the axial position of the center shaft is effectively limited, the rotation of the center shaft is realized, and then the end face damping mechanism can be matched to realize the quick taking and placing of the material roll.

As a preferred technical scheme of the unreeling device, a plurality of positioning holes are formed in the central shaft along the axis direction, and one end face locking piece is mounted in one of the positioning holes.

Preferably, the end locking piece is a locking bolt.

Preferably, the end face locking piece penetrates through one end, far away from the material roll, of the end face positioning plate and is in threaded connection with the positioning hole, so that the end face positioning plate is axially positioned; or the end face locking piece is in threaded connection with the positioning hole and is abutted against one side, far away from the material roll, of the end face positioning plate, so that the axial positioning of the end face positioning plate is realized; or the end face locking piece penetrates through one end, far away from the material roll, of the end face positioning plate and abuts against the circumferential surface of the central shaft, so that the end face positioning plate and the central shaft are tightly jacked in the radial direction, and the axial positioning of the end face positioning plate is further realized.

On the other hand, the wallpaper paving and pasting equipment comprises the unwinding device.

The invention has the beneficial effects that: the utility model provides an unwinding device, at first, follow material and roll up pivoted terminal surface pressure strip and the axial movable ring that only can axial displacement through the setting, and make the damping that forms the rotation direction between terminal surface pressure strip and the axial movable ring through the elastic component, for the design that axial movable ring direct action rolled up the material and form damping, the damping of this scheme is formed in the extrusion force between terminal surface pressure strip and the axial movable ring, and the surface quality of terminal surface pressure strip and axial movable ring is known and controllable, and then can guarantee that damping between the two is more reliable and more stable. Secondly, through setting up through hole and detachable end cover mount can dismouting terminal surface damping mechanism fast and provide the abdication passageway of feed package adapted to the realization is not needing to dismantle the center pin under the prerequisite of center pin and is locating the center pin with the material cover fast, and then improves the operating efficiency who changes the material and roll up. Then, through setting up magnetism and inhale the piece, need not to carry out any extra connection operation and can accomplish to connect fixedly, further improved dismouting efficiency. Furthermore, through setting up the pressure regulating plate changes the compression length of elastic component can be adjusted the elastic component acts on the extrusion force of axial movable ring, and then adjusts axial movable ring with damping between the terminal surface pressure strip. Finally, the end face positioning plates can be fixed at different axial positions by arranging the end face locking pieces which can be fixed at different axial positions of the central shaft, so that the clamping requirements of material rolls with different lengths can be met, and the universality of the device is effectively improved.

In addition, the unreeling device is applied to wallpaper paving and pasting equipment, wallpaper with stable tension can be provided for the paving and pasting executing device, the wallpaper paving and pasting precision is improved, and the efficiency of replacing a material roll and the universality of the equipment can be improved.

Drawings

The invention is explained in more detail below with reference to the figures and examples.

Fig. 1 is a schematic structural diagram of an unwinding device according to an embodiment;

FIG. 2 is a front view of the unwinding device according to the embodiment;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged view of a portion of the location D shown in FIG. 3;

FIG. 5 is an exploded view of an end face damping mechanism according to an embodiment;

FIG. 6 is a schematic structural diagram of a first perspective of an end face damping mechanism according to an embodiment;

FIG. 7 is a schematic structural diagram of a second perspective of an end face damping mechanism according to an embodiment;

FIG. 8 is an enlarged view of a portion of the portion B shown in FIG. 2;

fig. 9 is a partial enlarged view of the position C shown in fig. 3.

In fig. 1 to 9:

1. a support; 11. a left bracket; 12. a right bracket; 13. a through hole;

2. a central shaft; 21. a shaft shoulder;

3. an end face damping mechanism; 31. an end face pressure strip; 32. an axial movable ring; 321. an outer limit boss; 33. an elastic member; 34. an end cover fixing frame; 341. fixing the cover plate; 342. fixing a sleeve; 3421. an inner limiting boss; 35. a handle; 36. a magnetic member; 371. a pressure adjusting plate; 372. a pressure fixing plate; 373. adjusting the bolt; 38. connecting the shaft sleeve; 381. a boss of the shaft sleeve; 39. a first bearing; 310. a rubber ring;

4. an end face positioning mechanism; 41. an end face positioning plate;

5. a shaft end fixing mechanism; 51. a second bearing; 52. a bearing mount; 53. a bearing pressure plate; 54. a shaft end fixing plate;

6. and (3) material rolls.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

An unwinding device comprises a support 1, a central shaft 2 and an end surface damping mechanism 3, wherein the central shaft 2 is arranged on the support 1 and is used for bearing a material roll 6; the end surface damping mechanism 3 is arranged on the bracket 1 and is positioned on one side of the material roll 6. The end face damping mechanism 3 comprises an end face pressing plate 31, an axial movable ring 32 and an elastic piece 33, the end face pressing plate 31 is sleeved on the central shaft 2 and rotates along with the central shaft 2 in an unreeling state, and one end of the end face pressing plate 31 is abutted to the end face of the material roll 6; the axial movable ring 32 is abutted against the other end of the end face pressing plate 31, can move along the axis of the central shaft 2 relative to the bracket 1 and is used for providing damping for the rotation of the end face pressing plate 31; the elastic element 33 is disposed on a side of the axially movable ring 32 away from the end face pressing plate 31, and is used for driving the axially movable ring 32 to press the end face pressing plate 31.

Specifically, through setting up the terminal surface pressure strip 31 that follows material of book 6 pivoted and the axial movable ring 32 that can only axial displacement to make through elastic component 33 and form the damping of direction of rotation between terminal surface pressure strip 31 and the axial movable ring 32, for the design that axial movable ring 32 direct action rolled up material 6 and form damping, the damping of this scheme forms the extrusion force between terminal surface pressure strip 31 and axial movable ring 32, and the surface quality of terminal surface pressure strip 31 and axial movable ring 32 is known and controllable, and then can guarantee that damping between the two is more reliable and more stable.

In the present embodiment, the elastic member 33 is a spring. The number of the elastic members 33 is four, and the four elastic members 33 are equally spaced in the circumferential direction. Through setting up four elastic component 33 that the interval distributes equally, can make terminal surface pressure strip 31 and axial activity circle 32 extrusion force trend unanimous in the different positions of circumferencial direction, and then make damping more even and stable between the two.

In this embodiment, the bracket 1 is provided with a through hole 13, and the diameter of the through hole 13 is larger than the outer diameter of the material roll 6, so as to provide an abdicating channel installed on the central shaft 2 for the material roll 6; the end face damping mechanism 3 further comprises an end cover fixing frame 34, the end face pressing plate 31, the axial movable ring 32 and the elastic piece 33 are all installed on the end cover fixing frame 34, and the end cover fixing frame 34 is detachably installed on the support 1. Specifically, through setting up through hole 13 and detachable end cover mount 34, can dismouting terminal surface damping mechanism 3 fast and provide the passageway of stepping down that the material of rolling 6 assembly usefulness, promptly after terminal surface damping mechanism 3 dismantles, material is rolled up 6 and can run through this passageway cover of stepping down and establish on center pin 2, further adorn terminal surface damping mechanism 3 again and can accomplish material and roll up 6 changes of material, thereby realize to roll up 6 covers of material and locate center pin 2 fast under the prerequisite that need not to dismantle center pin 2, and then improve the operating efficiency who changes material and roll up 6. The end face damping mechanism 3 further comprises a handle 35, and the handle 35 is arranged on one side of the end cover fixing frame 34 far away from the material roll 6 and used for taking and placing the end face damping mechanism 3.

The end surface damping mechanism 3 further comprises a magnetic part 36, and the magnetic part 36 is arranged on the end cover fixing frame 34 and used for fixing the end cover fixing frame 34 on the support 1. The bracket 1 is provided with magnets, the number of the magnets is the same as that of the magnetic attraction pieces 36, and the magnets are in one-to-one correspondence with the magnetic attraction pieces 36. Through setting up magnetism and inhale piece 36, need not to carry out any extra connection operation and can accomplish to connect fixedly, the dismouting efficiency that greatly improves. In this embodiment, the number of the magnetic attraction pieces 36 is three, and the magnetic attraction pieces are disposed at intervals on one side of the end cover fixing frame 34 close to the bracket 1. Further, the magnetic attraction piece 36 is long, so that the fixing reliability of the end surface damping mechanism 3 and the bracket 1 can be improved.

The end surface damping mechanism 3 further comprises a pressure adjusting plate 371, a pressure fixing plate 372 and an adjusting bolt 373, wherein the pressure adjusting plate 371 is slidably arranged on the end cover fixing frame 34 along the axis of the central shaft 2 and is located on one side of the elastic member 33 away from the axial movable ring 32, and is used for adjusting the compression length of the elastic member 33. The compression length of the elastic piece 33 is changed by arranging the pressure adjusting plate 371, so that the extrusion force of the elastic piece 33 acting on the axial movable ring 32 can be adjusted, and the damping between the axial movable ring 32 and the end face pressure plate 31 can be adjusted. The pressure fixing plate 372 is mounted on the end cover fixing frame 34, the adjusting bolt 373 is mounted on the pressure fixing plate 372, and one end of the adjusting bolt 373 is connected to the pressure adjusting plate 371 for adjusting the position of the pressure adjusting plate 371 in the axial direction of the central shaft 2. Specifically, through setting up pressure regulating plate 371, pressure fixing plate 372 and adjusting bolt 373, can realize the damped size with simple and low-cost structure and adjust, the accommodation process is convenient and efficient moreover, easily promotes.

In this embodiment, the adjusting bolt 373 is in threaded connection with the pressure fixing plate 372, the end of the adjusting bolt 373 abuts against the pressure adjusting plate 371, and the adjusting bolt 373 is rotated to axially displace the adjusting bolt 373, so as to push the pressure adjusting plate 371 to move. In other embodiments, the design may be reversed, that is, the adjusting bolt 373 is rotatably connected to the pressure fixing plate 372 and axially limited by the pressure fixing plate 372, the adjusting bolt 373 is threadedly connected to the pressure adjusting plate 371, the adjusting bolt 373 is rotated and axially fixed by the adjusting bolt 373, and the pressure adjusting plate 371 axially displaces relative to the adjusting bolt 373, thereby moving the pressure adjusting plate 371.

In this embodiment, the end cover fixing frame 34 includes a fixing cover plate 341 and a fixing sleeve 342, the middle portion of the fixing cover plate 341 is provided with a yielding hole, and the fixing sleeve 342 is disposed on one side of the fixing cover plate 341 close to the end face pressing plate 31 and is coaxial with the yielding hole. The axial movable ring 32 and the pressure adjusting plate 371 are both arranged in the fixed sleeve 342 in a sliding manner, and the pressure fixing plate 372 covers the abdicating hole. Further, the axially movable ring 32 is keyed to the fixed sleeve 342 to limit circumferential rotation of the axially movable ring 32.

In this embodiment, an inner limiting boss 3421 is disposed at an end of the fixing sleeve 342 close to the end face pressing plate 31, an outer limiting boss 321 is disposed at an end of the axial moving ring 32 far from the end face pressing plate 31, and the inner limiting boss 3421 and the outer limiting boss 321 are matched to limit a limit position of the axial moving ring 32, so as to prevent the axial moving ring 32 from being separated from the end cover fixing frame 34. The end surface damping mechanism 3 further comprises a connecting shaft sleeve 38 and a first bearing 39, the connecting shaft sleeve 38 is sleeved on the central shaft 2, and the connecting shaft sleeve 38 is rotatably connected with the axial movable ring 32 through the first bearing 39; one end of the connecting shaft sleeve 38 is connected with the end face pressure plate 31, the other end of the connecting shaft sleeve 38 is provided with a shaft sleeve boss 381, the axial movable ring 32 is located between the shaft sleeve boss 381 and the end face pressure plate 31, and the shaft sleeve boss 381 is used for preventing the connecting bearing from being separated from the axial movable ring 32. Through setting up outer spacing boss 321, interior spacing boss 3421 and axle sleeve boss 381, can make terminal surface damping mechanism 3 become a whole, avoid terminal surface damping mechanism 3 to roll up the in-process of 6 and scatter the frame at the change material, can effectively improve dismouting efficiency.

The end face damping mechanism 3 further includes a rubber ring 310, the rubber ring 310 is disposed at one end of the axial movable ring 32 close to the end face pressure plate 31, and the axial movable ring 32 abuts against the end face pressure plate 31 through the rubber ring 310. Specifically, by providing the rubber ring 310, on the one hand, relatively large damping can be generated with a small axial pressing force, and on the other hand, the resistance can be made more uniform and stable.

In this embodiment, the bracket 1 includes a left bracket 11 and a right bracket 12, the central shaft 2 penetrates through the left bracket 11 and the right bracket 12, the material roll 6 is accommodated between the left bracket 11 and the right bracket 12, the end surface damping mechanism 3 is disposed on one of the left bracket 11 and the right bracket 12, and the end surface positioning mechanism 4 is disposed on the other of the left bracket 11 and the right bracket 12 for limiting the axial position of the material roll 6. In the present embodiment, the end surface damping mechanism 3 is provided to the right bracket 12, and the end surface positioning mechanism 4 is provided to the left bracket 11. Further, the end face positioning mechanism 4 comprises an end face positioning plate 41 and an end face locking piece, wherein the end face positioning plate 41 is sleeved on the central shaft 2 and is abutted against one side of the material roll 6 far away from the end face damping mechanism 3; the end face locking piece is provided on the side of the end face positioning plate 41 away from the material roll 6, and can be fixed at different positions in the axial direction of the center shaft 2 to define the axial positions of the end face positioning plate 41. Through setting up the terminal surface locking piece that can fix in the axial different positions of center pin 2, can fix terminal surface locating plate 41 in different axial position, and then can adapt to the tight demand of clamp of the material of rolling 6 of different length, effectively improve the commonality of device. In this embodiment, the central shaft 2 is provided with a plurality of positioning holes along the axial direction, and the end surface locking member is selectively installed in the positioning holes. The end locking piece is a locking bolt. The end face locking piece penetrates through one end, far away from the material coil 6, of the end face positioning plate 41 and is in threaded connection with the positioning hole, and axial positioning of the end face positioning plate 41 is achieved. In other embodiments, the end surface locking piece may be screwed into the positioning hole, and abut against the side of the end surface positioning plate 41 away from the material roll 6 to axially position the end surface positioning plate 41; alternatively, the end face locking member penetrates through one end of the end face positioning plate 41, which is far from the material roll 6, and abuts against the circumferential surface of the center shaft 2, so that the end face positioning plate 41 is pressed against the center shaft 2 in the radial direction, thereby achieving axial positioning of the end face positioning plate 41.

In this embodiment, the central shaft 2 is provided with a shaft shoulder 21, the unwinding device further includes a shaft end fixing mechanism 5, the shaft end fixing mechanism 5 includes a second bearing 51, a bearing mounting seat 52, a bearing pressure plate 53 and a shaft end fixing plate 54, the second bearing 51 is sleeved on the central shaft 2 and is located on one side of the shaft shoulder 21 away from the end surface damping mechanism 3, and the shaft shoulder 21 abuts against an inner ring of the second bearing 51. The second bearing 51 is mounted in the bearing mount 52, the outer side of one end of the bearing mount 52 close to the end surface damping mechanism 3 abuts against the inner side of the left bracket 11, and the inner side of one end of the bearing mount 52 close to the end surface damping mechanism 3 abuts against the outer ring of the second bearing 51. The bearing pressure plate 53 is provided at one end of the bearing mount 52 remote from the end face damping mechanism 3, and the bearing pressure plate 53 abuts against the outer ring of the second bearing 51. The shaft end fixing plate 54 is provided at an end portion of the center shaft 2 and abuts against the inner race of the second bearing 51. Specifically, through axle head fixed establishment 5, can be with on 2 unilateral being fixed in left socle 11 or right branch frame 12 of center pin to and effectively inject the axial position of center pin 2 and realize the rotation of center pin 2, and then can cooperate terminal surface damping mechanism 3, realize rolling up quick getting of material and put 6.

This embodiment still discloses a wall paper shop pastes equipment, including shop paste final controlling element and foretell unwinding device, this unwinding device provides the wall paper that has steady tensile force for shop pastes the device, and then improves the precision that the wall paper shop pasted.

In the description herein, it is to be understood that the terms "upper", "lower", "left", "right", and the like are used in a descriptive sense or positional relationship based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. An unwinding device, which is characterized by comprising

A support;

2. The unwinding device as claimed in claim 1, wherein the support is provided with a through hole, and the diameter of the through hole is larger than the outer diameter of the material roll, so as to provide an abdicating channel mounted on the central shaft for the material roll; the end face damping mechanism further comprises an end cover fixing frame, the end face pressing plate, the axial movable ring and the elastic piece are all installed on the end cover fixing frame, and the end cover fixing frame is detachably installed on the support.

3. The unwinding device as claimed in claim 2, wherein the end surface damping mechanism further includes a magnetic member, and the magnetic member is disposed on the end cover fixing frame and is used for fixing the end cover fixing frame to the bracket.

4. The unwinding device of claim 2, wherein the end surface damping mechanism further comprises:

5. The unwinding device of claim 4, wherein the end surface damping mechanism further comprises:

the pressure fixing plate is arranged on the end face fixing plate;

6. The unwinding device of claim 1, wherein the end surface damping mechanism further comprises a rubber ring, the rubber ring is disposed at one end of the axial movable ring close to the end surface pressing plate, and the axial movable ring abuts against the end surface pressing plate through the rubber ring.

7. The unwinding device as claimed in any one of claims 1 to 6, wherein the support comprises a left support and a right support, the central shaft penetrates through the left support and the right support, the left support and the right support accommodate the material roll therebetween, the end surface damping mechanism is disposed on one of the left support and the right support, and the other of the left support and the right support is provided with an end surface positioning mechanism for defining an axial position of the material roll.

8. The unwinding device as claimed in claim 7, wherein the end positioning mechanism comprises:

9. The unwinding device as claimed in claim 8, wherein the central shaft is provided with a plurality of positioning holes along the axial direction, and the end surface locking member is selectively mounted in the positioning holes.

10. Wallpaper pasting equipment, characterized by comprising the unwinding device according to any one of claims 1 to 9.