CN217836237U

CN217836237U - Roll paper frame

Info

Publication number: CN217836237U
Application number: CN202221946475.6U
Authority: CN
Inventors: 黄春明
Original assignee: Chengdu Shengli Mechanical Equipment Co ltd
Current assignee: Chengdu Shengli Mechanical Equipment Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-11-18
Anticipated expiration: 2032-07-26

Abstract

The utility model provides a roll paper rack, which comprises a mounting plate; the clamping seat is used for installing and fixing the roll paper; the tensioning mechanism comprises a spring and a first roller mandrel, and the spring is used for resetting the first roller mandrel; the first roller mandrel is arranged on the mounting plate in a reciprocating motion manner and used for enabling the roll paper to be in a tight state when the roll paper tape is output too fast or too slow, so that the paper tape is prevented from being torn off or accumulated; the clamping seat and the tensioning mechanism are arranged on the mounting plate, and the clamping seat is rotatably connected with the mounting plate. The problems that the roll paper tape is easily torn off when passing through the paper feeding machine and is easily accumulated when stopping feeding paper are solved.

Description

Roll paper holder

Technical Field

The utility model relates to a roll web frame technical field particularly, relates to a roll web frame.

Background

In the food packaging industry, wrapping paper is one of the basic elements. The paper feeding form of the packing paper also determines the speed of the packing speed to a certain extent. The single paper feeding package has higher requirements on the paper feeding of the machine, the complexity and the number of parts of the equipment are more complicated, and the cost is relatively higher in both the paper feeding aspect of the machine and the paper making aspect.

In the prior art, roll paper is mostly matched with a paper feeding machine for packaging, when paper feeding is started through the paper feeding machine, the roll paper is changed into a rotating paper discharging state from a static state at the moment when the roll paper rotates to discharge paper, and the paper is easily torn off; when the roll paper is changed from a static state to a rotating state, due to the fact that the instantaneous acceleration is large, when the speed of the roll paper rotating to discharge the paper is larger than the speed of the paper on the paper feeding machine, and after the paper feeding machine stops feeding the paper, the paper between the roll paper and the paper feeding machine is easy to stack and pile, and subsequent packaging is easy to be affected. Meanwhile, the roll paper is not convenient enough in a traditional mode when being fixed, and a large amount of time needs to be consumed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a roll web paper frame, it has solved the roll web paper tape and has been torn easily when going up paper through the paper feeding machine and pile up the scheduling problem easily when stopping to go up paper.

The embodiment of the utility model discloses a realize through following technical scheme: a roll paper holder includes a mounting plate; the clamping seat is used for installing and fixing the roll paper;

the tensioning mechanism comprises a spring and a first roller mandrel, the first roller mandrel is arranged on the mounting plate in a reciprocating motion mode, and the first roller mandrel can be driven to leave an initial position when the web paper tape is output; the spring is used for resetting the first roller mandrel;

the clamping seat and the tensioning mechanism are arranged on the mounting plate, and the clamping seat is rotatably connected with the mounting plate.

Further, still include swing arm and single arm-drag, first cylinder dabber has a plurality of, it is provided with the swing arm axle to rotate on the mounting panel, the both ends of swing arm axle respectively with swing arm and single arm-drag are connected perpendicularly, the spring with the single arm-drag is kept away from swing arm axle one end is connected, and is a plurality of first cylinder dabber array sets up on the swing arm, first cylinder dabber rotates to be set up in the swing arm, first cylinder dabber with the swing arm axle is parallel, first cylinder dabber with the holder is located same one side of mounting panel.

Furthermore, the spring fixing device further comprises a limiting block, the limiting block is arranged on the mounting plate, the limiting block is located on a rotating path of the swing arm and abutted to the swing arm, and the limiting block is used for enabling the spring to be in a stretching state.

Furthermore, the holder includes pivot, first (holding) chuck, second (holding) chuck, self-lock device and axle sleeve, the pivot sets up perpendicularly on the mounting panel, the axle sleeve rotates the cover to be established in the pivot, first (holding) chuck and second (holding) chuck interval set up on the axle sleeve, first (holding) chuck is located between second (holding) chuck and the mounting panel, self-lock device sets up the second (holding) chuck is kept away from one side of first (holding) chuck, self-lock device is used for connection can be dismantled with the pivot to second (holding) chuck.

The shaft sleeve is sleeved with the first chuck seat, the first chuck is fixed with the first chuck seat through a bolt, and the first chuck seat is fixed with the shaft sleeve through a bolt;

the second chuck seat is sleeved on the shaft sleeve, the second chuck seat is arranged at one end, far away from the self-locking device, of the second chuck, and the second chuck is connected with the second chuck seat through a bolt.

Further, the self-locking device comprises a lock body, a brake block and a pressure spring;

the lock body is sleeved on the shaft sleeve, the lock body is fixed with the second chuck plate, and a cavity is formed in the side wall of the lock body along the axis direction;

the middle part of the brake block is rotatably connected with the inside of the cavity, two ends of the brake block extend out of the cavity, the pressure spring is arranged in the cavity, and one end of the pressure spring acts on one end, located outside the lock body, of the brake block;

the outer wall of the shaft sleeve is provided with threads, and one end of the brake block, which is positioned at the axle center of the lock body, is matched with the threads.

The paper roll fixing device further comprises two paper roll core locking heads, the two paper roll core locking heads are sleeved on the shaft sleeve at intervals, the two paper roll core locking heads are located between the first clamping disc and the second clamping disc, and the two paper roll core locking heads are used for fixing roll paper.

Furthermore, the number of the tensioning mechanisms is two, the two tensioning mechanisms are arranged on the mounting plate at intervals, and the two tensioning mechanisms are located on the same side of the clamping seat.

Furthermore, the mounting plate further comprises a plurality of second roller mandrels which are rotatably arranged on the mounting plate.

Furthermore, the mounting plate further comprises a nut, and the nut is in threaded connection with one end, far away from the mounting plate, of the rotating shaft.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

1. the utility model relates to a rationally, simple structure, when the paper tightened, act on in the swing arm through first cylinder dabber, the swing arm rotates around the swing arm axle, and drive single arm-drag extension spring simultaneously rotates along with the swing arm through first cylinder dabber, for the paper tape provides the buffering, makes the reel scroll can slowly rotate. When paper is not needed to be fed, the paper feeding machine stops feeding paper instantly, the reel paper roll can continue to rotate by a certain angle under the action of inertia to stop, in order to avoid paper tape accumulation, when the paper feeding machine stops feeding paper, the pull arm is pulled by the spring, the swing arm is further made to rotate, the paper tape which is fed in more than one direction is straightened by the first roller mandrel, the problems that the reel paper tape is easily torn off when the paper is fed, the paper tape is easily accumulated when the paper is stopped and the like are solved when the reel paper is replaced, the brake piece is loosened after the second chuck reaches a proper position, one end, located on the axis of the lock body, of the brake piece is matched with the thread of the shaft sleeve under the action of the pressure spring, the fixation of the second chuck and the shaft sleeve can be quickly realized, the clamping distance is adjusted, and the paper tube is very convenient to replace.

2. When the roll paper is replaced, the second chuck plate reaches a proper position, the brake piece is loosened, one end, located at the axis of the lock body, of the brake piece is matched with the threads of the shaft sleeve under the action of the pressure spring, the second chuck plate can be quickly fixed with the shaft sleeve, and the clamping distance can be adjusted and the roll paper can be replaced very conveniently.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a roll paper rack provided by the present invention;

fig. 2 is a schematic structural view of a roll paper frame tensioning mechanism provided by the present invention;

fig. 3 is a schematic structural view of a roll paper holder of the present invention;

fig. 4 is a schematic structural view of a self-locking device of a roll paper rack provided by the present invention;

icon: 1. the automatic paper tube drawing mechanism comprises a mounting plate, 2, a clamping seat, 21, a rotating shaft, 22, a first chuck plate, 221, a first chuck plate seat, 23, a second chuck plate, 231, a second chuck plate seat, 24, a self-locking device, 241, a lock body, 242, a brake block, 243, a pressure spring, 25, a shaft sleeve, 26, a paper tube core lock head, 27, a nut, 3, a tensioning mechanism, 31, a swing arm, 32, a pull arm, 33, a spring, 34, a first roller mandrel, 35, a limiting block, 4 and a second roller mandrel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present embodiment provides a roll paper holder including an installation plate 1, a holder 2 for installing and fixing roll paper; the clamping seat 2 comprises a rotating shaft 21, a first clamping disc 22, a second clamping disc 23, a self-locking device 24 and a shaft sleeve 25, the rotating shaft 21 is vertically arranged on the mounting plate 1 and is fixed by bolts, the shaft sleeve 25 is rotatably sleeved on the rotating shaft 21 through a deep groove ball bearing, the first clamping disc 22 and the second clamping disc 23 are arranged on the shaft sleeve 25 at intervals, roll paper is sleeved on the shaft sleeve 25 and is positioned between the first clamping disc 22 and the second clamping disc 23, the first clamping disc 22 is positioned between the second clamping disc 23 and the mounting plate 1, the self-locking device 24 is arranged on one side, far away from the first clamping disc 22, of the second clamping disc 23, the self-locking device 24 is used for detachably connecting the second clamping disc 23 and the rotating shaft 21, namely when the roll paper is replaced, the self-locking device 24 is directly taken down, the second clamping disc 23 can be taken down together, then a new roll paper is taken up, and then the second clamping disc 23 is mounted.

The first chuck seat 221 is sleeved on the shaft sleeve 25, the first chuck 22 is fixed with the first chuck seat 221 through bolts, the first chuck seat 221 can increase the contact area with the shaft sleeve 25 and can play a certain guiding role, and further the stability of the first chuck 22 is enhanced, the first chuck seat 221 is fixed with the shaft sleeve 25 through bolts, and the position of the roll paper is limited preliminarily;

the second chuck seat 231 is sleeved on the shaft sleeve 25, the second chuck seat 231 is arranged at one end, far away from the self-locking device 24, of the second chuck plate 23, the second chuck plate 23 is connected with the second chuck seat 231 through bolts, similarly, the second chuck seat 231 can enhance the contact stability of the second chuck plate 231 and the shaft sleeve 25, and meanwhile, the second chuck plate 23 is matched with the first chuck plate 22 to further limit the position of the roll paper.

As shown in fig. 4, the self-locking device 24 includes a lock body 241, a brake piece 242, and a pressure spring 243, the lock body 241 is sleeved on the shaft sleeve 25, the lock body 241 is fixed to the second chuck 23, the lock body 241 is formed by fixing two clamping plates by bolts, a cavity is formed in a side wall of the lock body 241 along an axial direction, a middle portion of the brake piece 242 is rotatably connected to an inside of the cavity, two ends of the brake piece 242 extend out of two ends of the cavity, the pressure spring 243 is disposed in the cavity, one end of the pressure spring 243 acts on one end of the brake piece 242 located outside the lock body 241, a thread is formed on an outer wall of the shaft sleeve 25, one end of the brake piece 242 located on the axial center of the lock body 241 is matched with the thread, in specific implementation, by pressing one end of the brake piece 242 located outside the lock body 241, while compressing the pressure spring 243, one end of the brake piece 242 located inside the lock body 241 is tilted and separated from the shaft sleeve 25, at this time, the second chuck 23 can be arbitrarily dragged and can be taken off from the shaft sleeve 25, and a distance between the second chuck 23 and the first chuck 22 can be adjusted, so as to further achieve a function of adjusting a clamping width according to a roll paper. Meanwhile, when the roll paper is replaced, after the second chuck plate 23 reaches a proper position, the brake block 242 is loosened, under the action of the pressure spring 243, one end, located at the axis of the lock body 241, of the brake block 242 is in threaded fit with the shaft sleeve 25, the second chuck plate 23 and the shaft sleeve 25 can be quickly fixed, the clamping distance can be adjusted, and the paper tube can be replaced conveniently.

Still include two fiber container core locks 26, two fiber container core locks 26 are overlapped on axle sleeve 25 at the interval, two fiber container core locks 26 are located between first chuck 22 and the second chuck 23, two fiber container core locks 26 are used for fixed roll web, as shown in fig. 1-3, during the concrete implementation, two fiber container core locks 26 pass through the bolt and are fixed with axle sleeve 25, are used for being connected with the fiber container part of roll web simultaneously, make the roll web can follow axle sleeve 25 and rotate, prevent that the roll web from skidding, go out more and cause and pile up.

The tensioning mechanism (3) comprises a spring (33) and a first roller mandrel (34), the first roller mandrel (34) is arranged on the mounting plate (1) in a reciprocating mode, and the first roller mandrel (34) can be driven to leave an initial position when the roll paper tape is output; the spring (33) is used for resetting the first roller mandrel (34); when the paper tape output is too fast or too slow, the roll paper is in a tight state, and the paper tape is prevented from being torn off or accumulated; holder 2 and straining device 3 all set up on mounting panel 1, and holder 2 rotates with mounting panel 1 to be connected.

As shown in fig. 1 and 2, the tensioning mechanism 3 further includes a plurality of swing arms 31, a pull arm 32, and a plurality of stoppers 35, the stoppers 35 are disposed on the mounting plate 1, the stoppers 35 are located on a rotation path of the swing arms 31, and the stoppers 35 are used to make the springs 33 in a stretched state. It is provided with the swing arm axle to rotate on the mounting panel 1, the both ends of swing arm axle are connected with swing arm 31 and single arm-drag 32 are perpendicular respectively, swing arm 31 all rotates according to parallel mount board 1's face with single arm-drag 32, spring 33 keeps away from swing arm axle one end with single arm-drag 32 and is connected, spring 33 provides the pulling force to single arm-drag 32's free end, through stopper 35 and swing arm 31 butt, make swing arm 31 be in at certain rotation range, a plurality of first cylinder dabber 34 arrays set up on swing arm 31, first cylinder dabber 34 rotates with swing arm 31 to be connected, first cylinder dabber 34 is parallel with pivot 21, first cylinder dabber 34 is located same one side of mounting panel 1 with pivot 21. During the concrete implementation, straining device 3 has two, and two straining device 3 intervals set up on mounting panel 1, and two straining device 3 lie in holder 2 with one side. Still include a plurality of second cylinder dabber 4, a plurality of second cylinder dabber 4 all rotate the setting on mounting panel 1. The first roller mandrels 34 and the second roller mandrels 4 are matched, so that when the machine starts to run and paper is fed in the process of winding the roll paper, the paper is tightened, the paper tape is usually easily torn due to the fact that the roll paper needs large force at the moment when the roll paper is changed into a rotating paper discharging state from a static state, and the paper tape can be prevented from being torn through the buffering of the two tensioning mechanisms 3. Specifically for when the paper is tight, act on swing arm 31 through first cylinder dabber 34, swing arm 31 rotates around the swing arm axle, and drive arm-drag 32 extension spring 33 simultaneously rotates along with swing arm 31 through first cylinder dabber 34, provides the buffering for the paper tape, makes the reel can slowly rotate. When the paper feeding machine stops feeding paper, the reel paper roll continuously rotates for a certain angle under the action of inertia to stop at the moment that the paper feeding machine stops feeding paper, so that the paper tape is prevented from being accumulated, and when the paper feeding machine stops feeding paper, the spring 33 pulls the pull arm 32 to rotate the swing arm 31, so that the extra paper tape is straightened through the first roller mandrel 34. Meanwhile, a brake band is arranged on the mounting plate and used for limiting the rotation of the shaft sleeve 25, so that the shaft sleeve rotates when working and is still when not working. In conclusion, the problems that the roll paper tape is easy to be torn off when the roll paper is fed, and the roll paper tape is easy to be stacked when the feeding is stopped are solved.

The anti-dropping device further comprises a nut 27, the nut 27 is in threaded connection with one end, away from the mounting plate 1, of the rotating shaft 21, and the nut 27 is used for preventing the shaft sleeve 25 from dropping off from the rotating shaft 21.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A roll paper holder, characterized by: comprises a mounting plate (1);

the clamping seat (2) is used for installing and fixing the roll paper;

the tensioning mechanism (3) comprises a spring (33) and a first roller mandrel (34), the first roller mandrel (34) is arranged on the mounting plate (1) in a reciprocating mode, and the first roller mandrel (34) can be driven to leave an initial position when the web paper tape is output; the spring (33) is used for resetting the first roller mandrel (34);

holder (2) and straining device (3) all set up on mounting panel (1), holder (2) with mounting panel (1) rotates to be connected.

2. The roll paper holder according to claim 1, further comprising a plurality of swing arms (31) and a pull arm (32), wherein the first roller mandrels (34) are rotatably arranged on the mounting plate (1), two ends of each swing arm shaft are respectively and vertically connected with the swing arms (31) and the pull arm (32), the springs (33) are connected with one ends of the pull arms (32) far away from the swing arm shafts, the first roller mandrels (34) are arranged on the swing arms (31) in an array mode, the first roller mandrels (34) are rotatably arranged on the swing arms (31), the first roller mandrels (34) are parallel to the swing arm shafts, and the first roller mandrels (34) and the clamping bases (2) are located on the same side of the mounting plate (1).

3. A roll paper holder according to claim 2, characterized in that it further comprises a stop (35), said stop (35) being arranged on said mounting plate (1), said stop (35) being located on the rotation path of said swing arm (31) and abutting against said swing arm (31), said stop (35) being adapted to put said spring (33) in tension.

4. A roll paper holder according to any one of claims 1-3, characterized in that the holder (2) comprises a rotating shaft (21), a first chuck (22), a second chuck (23), a self-locking device (24) and a shaft sleeve (25), the rotating shaft (21) is vertically arranged on the mounting plate (1), the shaft sleeve (25) is rotatably sleeved on the rotating shaft (21), the first chuck (22) and the second chuck (23) are arranged on the shaft sleeve (25) at intervals, the first chuck (22) is arranged between the second chuck (23) and the mounting plate (1), the self-locking device (24) is arranged on the side of the second chuck (23) far away from the first chuck (22), and the self-locking device (24) is used for detachably connecting the second chuck (23) and the rotating shaft (21).

5. The roll paper holder according to claim 4, further comprising a first chuck holder (221) and a second chuck holder (231), wherein the first chuck holder (221) is sleeved on the shaft sleeve (25), the first chuck (22) is fixed with the first chuck holder (221) through a bolt, and the first chuck holder (221) is fixed with the shaft sleeve (25) through a bolt;

the second chuck base (231) is sleeved on the shaft sleeve (25), the second chuck base (231) is arranged at one end, far away from the self-locking device (24), of the second chuck (23), and the second chuck (23) is connected with the second chuck base (231) through bolts.

6. A reel stand according to claim 5, characterized in that the self-locking device (24) comprises a lock body (241), a catch (242) and a pressure spring (243);

the lock body (241) is sleeved on the shaft sleeve (25), the lock body (241) is fixed with the second chuck plate (23), and a cavity is formed in the side wall of the lock body (241) along the axis direction;

the middle part of the brake block (242) is rotatably connected with the inside of a cavity, two ends of the brake block (242) extend out of the cavity, the pressure spring (243) is arranged in the cavity, and one end of the pressure spring (243) acts on one end, located outside the lock body (241), of the brake block (242);

the outer wall of the shaft sleeve (25) is provided with threads, and one end of the brake block (242) positioned at the axis of the lock body (241) is matched with the threads.

7. The roll paper holder as claimed in claim 6, further comprising two roll core locking heads (26), wherein the two roll core locking heads (26) are arranged on the shaft sleeve (25) at intervals, the two roll core locking heads (26) are located between the first chuck (22) and the second chuck (23), and the two roll core locking heads (26) are used for fixing roll paper.

8. A roll stand according to claim 3, characterised in that there are two tensioning means (3), two of said tensioning means (3) being spaced apart on said mounting plate (1), and two of said tensioning means (3) being located on the same side of said holder (2).

9. A reel stand according to claim 8, characterized in that it further comprises a plurality of second cylinder spindles (4), said second cylinder spindles (4) being rotatably arranged on said mounting plate (1).

10. The roll stand of claim 7, further comprising a nut (27), said nut (27) being threadably connected to an end of said shaft (21) remote from said mounting plate (1).