Paper counting device for napkins

Abstract

The utility model relates to the field of tissue production equipment, in particular to a napkin counting device which comprises a machine frame with a motor, a paper feeding assembly, a paper counting assembly and a feeding frame are arranged on the machine frame, a paper counting frame is further arranged on the machine frame in a rotating mode, the paper counting assembly comprises a paper counting roller arranged on the machine frame in a rotating mode, and the paper counting roller is in transmission connection with the motor. The upper end of the paper counting roller is movably connected with the paper counting frame, and a scrap collecting assembly is arranged on the lower end face of the feeding frame and connected with the lower end of the paper counting roller. Rotation is achieved through driving of the motor, and the design of movable connection between the motor and the paper counting frame enables the paper counting process to be more accurate and controllable. Each napkin is ensured to be stressed uniformly during folding, and folding deviation caused by mechanical vibration or speed mismatching is avoided; the problem that paper scraps exist between napkins in the napkin counting and folding process is solved, and the effect that the paper counting device conducts paper counting operation and paper scrap cleaning at the same time is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper towel production equipment field especially use paper device of a kind of paper towel. BACKGROUND

[0002] With the progress of science and technology, the improvement of people's living standards, paper towel is also the development trend of diversification, in the existing paper towel automatic production process, paper needs to be counted to meet production requirements, and the counting device with the automatic production equipment of paper towel is often linked with folding, cutting and other processes, resulting in the problems of paper scraps and irregular folding of the folded paper towel. INVENTION CONTENTS

[0003] The utility model mainly aims at providing a kind of paper towel use paper device, to solve the problem of paper scraps between paper towel in the process of paper towel counting and folding.

[0004] To achieve the above object, the utility model provides a kind of paper towel use paper device, including the rack with motor, the rack is provided with paper feeding assembly, paper counting assembly and feeding frame, the rack is also rotationally provided with paper counting frame, the paper counting assembly includes the paper counting roller rotationally arranged on the rack, the paper counting roller is drivenly connected with the motor, and the upper end of the paper counting roller is movably connected with the paper counting frame, the lower end surface of the feeding frame is equipped with scrap collecting assembly, and the scrap collecting assembly is connected with the lower end of the paper counting roller.

[0005] Optionally, the upper end surface of the paper counting roller is provided with a cam, the paper counting frame is rotationally arranged on the rack by torsional spring, a plurality of paper counting rods are arranged on the side of the paper counting frame close to the paper counting roller, the upper end of the paper counting frame is in abutment with the cam, and the initial position of the cam has a phase difference.

[0006] Optionally, the scrap collecting assembly includes a scrap collecting cylinder, a rotating blade is rotationally arranged in the scrap collecting cylinder, and the rotating shaft of the rotating blade is drivingly connected with the lower end of the paper counting roller.

[0007] Optionally, the rack is also provided with a leveling assembly, the leveling assembly includes a support frame and a leveling disc, the leveling disc is rotationally arranged on the support frame, and the upper end of the leveling disc is drivingly connected with the upper end of the paper counting roller.

[0008] Optionally, a plurality of grooves are uniformly distributed on the outer periphery of the paper counting roller, the initial position of the paper counting rod is located in the groove, the outer periphery of the paper counting roller is also provided with a point knife, and the point knife and the paper counting rod are located at the two ends of the diameter of the paper counting roller respectively.

[0009] Optionally, a filter screen is arranged in the scrap collecting cylinder.

[0010] Optionally, the dust collecting cavity is arranged in the dust collecting barrel, the rotating shaft of the rotating blade passes through the filter screen and is connected with a rotating rod, and the contact surface of the filter screen and the dust collecting barrel is provided with an opening.

[0011] Optionally, the cutting assembly is arranged on the frame and is driven by the motor.

[0012] Optionally, the lower end surface of the leveling disc is provided with a brush.

[0013] Optionally, the leveling disc comprises a leveling shaft and a disc body, and the disc body is movably connected with the leveling shaft.

[0014] The paper pulp stirring machine disclosed in the embodiment of the utility model takes the paper dotting roller as the core transmission component of the device, rotates through the driving of the motor, and the active connection design of the paper dotting roller and the paper dotting frame makes the paper dotting process more accurate and controllable; the linkage mechanism of the upper end of the paper dotting roller and the paper dotting frame can dynamically adjust the contact frequency of the paper dotting rod according to the feeding speed of the paper, so that the stress of each paper napkin is uniform during folding, and the folding deviation caused by mechanical vibration or speed mismatch is avoided; in addition, the direct connection (through the lower end transmission) of the paper dotting roller and the dust collecting assembly makes the paper scraps generated in the cutting or folding process be collected and transported to the dust collecting barrel in time, so that the accumulation of paper scraps in the equipment is reduced, the production line is prevented from being polluted or the cleanliness of the subsequent process is affected, and then the problem of paper scraps between paper towels in the paper dotting and folding process is solved, and the effect of cleaning the paper scraps while the paper dotting device is performing the paper dotting operation is realized. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a schematic view of an axial structure of the stirring machine;

[0016] Fig. 2 It is a side view of the stirring machine;

[0017] Fig. 3 It is another schematic view of an axial structure of the stirring machine.

[0018] Reference signs:

[0019] 1-frame, 2-motor, 3-paper feeding assembly, 4-paper dotting assembly, 5-feeding frame, 6-dust collecting assembly, 7-leveling assembly, 8-cutting assembly;

[0020] 41-paper dotting frame, 42-paper dotting roller, 43-cam, 44-paper dotting rod, 45-groove, 46-dotting knife;

[0021] 61-dust collecting barrel, 62-rotating blade, 63-filter screen, 64-opening, 65-dust collecting cavity;

[0022] 71-support frame, 72-leveling disc;

[0023] 721 - leveling shaft, 722 - disc body.

[0024] The purposes, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0026] It should be noted that all the directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0027] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixation" and the like should be understood in a broad sense, for example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] In addition, if the present application embodiments involve "first", "second" and the like, the "first", "second" and the like are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of those skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0029] Embodiment 1:

[0030] As shown in the accompanying drawings Figs. 1 to 3As shown, the embodiment provides a napkin point paper device, comprising a rack 1 with a motor 2, the rack 1 is provided with a paper feeding assembly 3, a point paper assembly 4 and a feeding rack 5, the rack 1 is also provided with a point paper rack 41, the point paper assembly 4 comprises a point paper roller 42 rotatably arranged on the rack 1, the point paper roller 42 is drivingly connected with the motor 2, and the upper end of the point paper roller 42 is movably connected with the point paper rack 41, the lower end surface of the feeding rack 5 is provided with a scrap collecting assembly 6, and the scrap collecting assembly 6 is connected with the lower end of the point paper roller 42. It should be noted that the point device of the existing automatic production equipment of napkin paper is often linked with folding, cutting and other processes, resulting in problems such as paper scraps and irregular folding of the folded napkin paper. For the existing napkin paper processing technology, the whole roll of raw paper is conveyed to the paper feeding assembly 3 through the printing device, the turnover device and other structures, and then the folding and cutting are completed through the point paper device, and then the subsequent packaging process is carried out through the feeding rack 5. It can be understood that in the above process, the cutting process of the napkin paper will produce a lot of paper scraps, in addition, part of the paper scraps will also be produced in the running process of the point paper device. At the same time, there is a problem of irregular point paper in the point paper process of the napkin paper, and there is no limiting structure on the upper end surface.

[0031] In view of the above problems, the applicant proposes a napkin point paper device, which takes the point paper roller 42 as the core transmission component of the device, and rotates through the driving of the motor 2. The active connection design of the point paper roller 42 and the point paper rack 41 makes the point paper process more accurate and controllable. The linkage mechanism of the upper end of the point paper roller 42 and the point paper rack 41 can dynamically adjust the contact frequency of the point paper rod 44 according to the feeding speed of the paper, ensuring that each napkin paper is evenly stressed when folding, avoiding folding deviation caused by mechanical vibration or speed mismatch. In addition, the direct connection (through the lower end transmission) of the point paper roller 42 and the scrap collecting assembly 6 makes the paper scraps produced in the cutting or folding process can be collected and transported to the scrap collecting cylinder 61 immediately, thereby reducing the accumulation of paper scraps in the equipment, avoiding pollution of the production line or affecting the cleanliness of the subsequent process, and further solving the problem of paper scraps between the paper towels in the folding process of the napkin paper, realizing the effect of paper scrap cleaning while the point paper device is working.

[0032] From the specific structure of the dotting roller 42, the evenly distributed grooves 45 on its outer periphery match the initial position of the dotting rod 44, further optimizing the precision of the dotting paper. When the dotting roller 42 rotates, the periodic meshing of the grooves 45 and the dotting rod 44 ensures the stability and repeatability of the dotting action. At the same time, the dotting knife 46 and the dotting rod 44 at the two ends of the dotting roller 42 form a complementary effect: the dotting knife 46 is responsible for cutting the paper, i.e. cutting the original paper along its length to divide it into paper towels, and then the dotting rod 44 completes the folding action guided by the grooves 45. This folding action is intermittent between the two dotting rollers 42, which sequentially and intermittently folds the paper towels. The cooperation of the dotting roller 42 and the cam 43 controls the swing angle of the dotting frame 41 through phase difference, further improving the dynamic adaptability of the dotting action.

[0033] Based on the above structure, the transmission of the dotting roller 42 and the linkage of the chip collection assembly 6 significantly reduces the retention of paper chips. The automatic classification and centralized processing of paper chips are realized through the rotating blade 62 and filter screen 63 in the chip collection cylinder 61, which improves the sanitary standard of the production environment. Secondly, the dotting roller 42 cooperates with the flattening assembly 7 (through the rotation of the flattening disc 72 and the auxiliary action of the brush, ensuring that the paper remains flat after leaving the dotting process, further solving the problem of irregular folding. Finally, the modular design of the dotting roller 42 (such as the replaceability of the grooves 45, the dotting knife 46, and the cam 43) reduces the difficulty of equipment maintenance and prolongs the service life of key components.

[0034] In this embodiment, the upper end face of the dotting roller 42 is provided with a cam 43, the dotting frame 41 is rotatably arranged on the frame 1 by a torsion spring, the side of the dotting frame 41 close to the dotting roller 42 is provided with a plurality of dotting rods 44, the upper end of the dotting frame 41 abuts against the cam 43, and the initial positions of the cams 43 have a phase difference. When the dotting roller 42 is driven to rotate by the motor 2, the upper end cam 43 converts the rotary motion into periodic oscillation of the dotting frame 41 through the abutting action with the upper end of the dotting frame 41; due to the phase difference between the initial positions of the two cams 43 (or different phase sections of the same cam 43), the oscillation action of the dotting frame 41 is decomposed into intermittent folding trigger points. This design makes the dotting rod 44 mesh with the groove 45 on the outer periphery of the dotting roller 42 at a specific time point, thereby precisely controlling the folding rhythm of the paper towel; for example, after one cam 43 pushes the dotting frame 41 to complete a folding, the other cam 43 has not triggered the next action due to the phase difference, forming a short intermittent period, and finally the paper towel is folded at intervals for easy extraction.

[0035] In the embodiment, the chip collecting assembly 6 comprises a chip collecting cylinder 61, and a rotating blade 62 is arranged in the chip collecting cylinder 61 and rotates around an axis, and the lower end of the rotating blade 62 is connected to the lower end of the paper dotting roller 42 through a belt. It can be understood that the rotating axis of the rotating blade 62 is directly connected to the lower end of the paper dotting roller 42 through the belt, and when the paper dotting roller 42 is driven to rotate by the motor 2, the rotating blade 62 is driven to rotate at a high speed. The blades of the rotating blade 62 form a centrifugal force during rotation, and the paper chips generated during cutting or folding are sucked into the inside of the chip collecting cylinder 61 from the bottom of the equipment. At the same time, the rotation of the rotating blade 62 forms a local negative pressure area in the chip collecting cylinder 61, which further enhances the adsorption efficiency of the paper chips. This power synchronization design does not need additional energy input, and only relies on the existing power of the paper dotting roller 42 to realize real-time collection of the paper chips, which simplifies the structure and avoids the high energy consumption problem of the traditional independent dust collection device.

[0036] In the embodiment, a plurality of grooves 45 are uniformly distributed on the outer periphery of the paper dotting roller 42, the initial position of the paper dotting rod 44 is located in the groove 45, and the outer periphery of the paper dotting roller 42 is also provided with a dotting knife 46, and the dotting knife 46 and the paper dotting rod 44 are located at two ends of the diameter of the paper dotting roller 42.

[0037] Specifically, when the paper dotting roller 42 is driven to rotate by the motor 2, the periodic meshing of the groove 45 and the paper dotting rod 44 ensures the accurate triggering of the folding action, and the paper dotting rod 44 contacts the paper towel and completes the folding at a fixed frequency under the guidance of the groove 45, and the dotting knife 46 rotates with the paper dotting roller 42 to form a shearing action with the fixed blade (or another rotating blade) at the other end of the diameter, avoiding the paper tearing or the cut edge caused by synchronization error in the traditional equipment. More specifically, when the paper dotting roller 42 rotates to the meshing position of the groove 45 and the paper dotting rod 44, the paper dotting rod 44 lifts the paper towel to complete the folding; at the same time, the dotting knife 46 rotates to the meshing position of the fixed blade, and the rotating shearing force cuts off the paper.

[0038] Embodiment 2:

[0039] In the embodiment, only the parts different from the embodiment 1 are described. Specifically, the rack 1 is also provided with a flattening assembly 7, the flattening assembly 7 comprises a support frame 71 and a flattening disc 72, the flattening disc 72 is arranged on the support frame 71 and rotates, and the upper end of the flattening disc 72 is connected to the upper end of the paper dotting roller 42 through a belt. In the embodiment, the lower end surface of the flattening disc 72 is provided with a brush. In the embodiment, the flattening disc 72 comprises a flattening shaft 721 and a disc body 722, and the disc body 722 is movably connected to the flattening shaft 721.

[0040] It can be understood that when the napkin is conveyed to the point paper roller 42 by the paper feeding assembly 3, the flattening disc 72 rotates with the point paper roller 42, and the brush is in continuous contact with the upper end surface of the paper, and the wrinkles or raised parts on the surface of the paper are smoothed by the friction generated by rotation. At the same time, the rotation speed of the flattening disc 72 is strictly matched with the feeding speed of the point paper roller 42, so that the paper is kept flat before entering the folding and cutting process. For example, when the point paper roller 42 drives the groove 45 to engage with the point paper rod 44 to complete the folding, the brush of the flattening disc 72 has already smoothed the paper in advance, so as to avoid the folding line from being deviated due to uneven local tension.

[0041] It can also be understood that when the flattening disc 72 rotates, the contact between the brush and the paper not only realizes physical smoothing, but also promotes the paper scraps to be separated from the gap between the papers through vibration and airflow disturbance. For example, when the brush sweeps across the surface of the paper at a high speed, the elastic bristles of the brush slightly pat the paper, so that the paper scraps at the interlayer or folding part are loosened; at the same time, the airflow generated by the rotation of the flattening disc 72 blows the loosened paper scraps downward to the area of the scrap collecting assembly 6. The rotating blade 62 in the scrap collecting cylinder 61 is connected with the lower end of the point paper roller 42 through belt transmission and rotates synchronously, so as to form a negative pressure adsorption effect, and the dropped paper scraps are quickly sucked into the inside of the scrap collecting cylinder 61. The graded treatment of the filter screen 63 and the scrap collecting cavity 65 further ensures that the paper scraps are efficiently intercepted and stored, so as to avoid secondary flying.

[0042] Embodiment 3:

[0043] This embodiment only describes the parts different from embodiment 1, specifically, the filter screen 63 is arranged in the scrap collecting cylinder 61. In this embodiment, the scrap collecting cavity 65 is further arranged in the scrap collecting cylinder 61, the rotating shaft of the rotating blade 62 penetrates through the filter screen 63 and is connected with a rotating rod, the contact surface of the filter screen 63 and the scrap collecting cylinder 61 is provided with an opening 64, and the opening 64 communicates with the scrap collecting cylinder 61.

[0044] It can be understood that the filter screen 63 and the scrap collecting cavity 65 are arranged in the scrap collecting cylinder 61, and the rotating shaft of the rotating blade 62 penetrates through the filter screen 63 and is connected with the rotating rod. When the rotating blade 62 rotates, the sucked paper scraps enter the scrap collecting cylinder 61 along with the airflow, the filter screen 63 separates the fine paper scraps from the air through the pore size, the paper scraps are intercepted on the surface of the filter screen 63, and the air is discharged through the opening 64. The blades of the rotating blade 62 further push the paper scraps to move along the surface of the filter screen 63 and enter the scrap collecting cavity 65 through the opening 64 to be stored. This process realizes the automatic classification and compressed storage of the paper scraps, so as to avoid the paper scraps from flying or secondary pollution in the inside of the equipment. For example, the filter screen 63 can be designed as a multi-layer structure, the first layer intercepts larger paper scraps, the second layer filters fine particles, and the continuous rotation of the rotating blade 62 ensures that the paper scraps are continuously pushed to the scrap collecting cavity 65, so as to avoid the filter screen 63 from being blocked.

[0045] Embodiment 4:

[0046] The embodiment only describes the parts different from the embodiment 1, and specifically, the rack 1 is further provided with a cutting assembly 8 driven by the motor 2. The motor 2 drives a rotary cutter shaft through a belt or a chain, and a plurality of circular cutting blades are arranged on the cutter shaft in an axial direction, and the distance between the cutting blades is customized according to the standard width of the paper towel. When the motor 2 drives the cutter shaft to rotate at a high speed, the cutting blades form a shearing action with the opposite blade pad fixed to the bottom of the rack 1, the paper towel is pulled by the feeding frame 5 and passes through the cutting area at a uniform speed in the width direction, and the cooperation of the cutting blades and the blade pad accurately cuts the paper towel in the transverse direction.

[0047] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the utility model specification and the attached drawing contents, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A sheet dispensing apparatus for napkins, characterized by comprising: The paper feeding device comprises a frame with a motor, a paper feeding assembly, a paper pointing assembly and a feeding rack, a paper feeding rack is rotatably arranged on the frame, the paper pointing assembly comprises a paper pointing roller rotatably arranged on the frame, the paper pointing roller is in transmission connection with the motor, the upper end of the paper pointing roller is in movable connection with the paper feeding rack, the lower end surface of the feeding rack is provided with a scrap collecting assembly, and the scrap collecting assembly is connected with the lower end of the paper pointing roller.

2. A dotting device for paper napkins as claimed in claim 1, characterized in that, The upper end surface of the paper pointing roller is provided with a cam, the paper feeding rack is rotatably arranged on the frame through a torsion spring, a plurality of paper pointing rods are arranged on the side of the paper feeding rack close to the paper pointing roller, the upper end of the paper feeding rack is in abutment with the cam, and the initial position of the cam has a phase difference.

3. A dotting apparatus for paper napkin according to claim 1, wherein The scrap collecting assembly comprises a scrap collecting cylinder, a rotating blade is rotatably arranged in the scrap collecting cylinder, and the rotating shaft of the rotating blade is in transmission connection with the lower end of the paper pointing roller.

4. A dotting apparatus for paper napkin according to claim 1, wherein The frame is further provided with a flattening assembly, the flattening assembly comprises a support frame and a flattening disc, the flattening disc is rotatably arranged on the support frame, and the upper end of the flattening disc is in transmission connection with the upper end of the paper pointing roller.

5. A dotting apparatus for paper napkins as defined in claim 2, wherein The outer periphery of the paper pointing roller is provided with a plurality of recesses at intervals, the initial position of the paper pointing rod is located in the recess, the outer periphery of the paper pointing roller is further provided with a point cutter, and the point cutter and the paper pointing rod are located at two ends of the diameter of the paper pointing roller.

6. A dotting apparatus for paper napkins as claimed in claim 3, wherein, The scrap collecting cylinder is provided with a filter screen.

7. A dotting apparatus for paper napkins as claimed in claim 6, characterized in that, The scrap collecting cylinder is further provided with a scrap collecting cavity, the rotating shaft of the rotating blade is in movable penetration of the filter screen and is connected with a rotating rod, the contact surface of the filter screen and the scrap collecting cylinder is provided with an opening, the opening is in communication with the scrap collecting cylinder.

8. A dotting apparatus for paper napkins as defined in claim 1, wherein The frame is further provided with a cutting assembly in transmission connection with the motor.

9. A dotting apparatus for paper napkin according to claim 4, wherein The lower end surface of the flattening disc is provided with a brush.

10. A dotting apparatus for paper napkins as claimed in claim 9, wherein, The flattening disc comprises a flattening shaft and a disc body, and the disc body is in movable connection with the flattening shaft.

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