CN216511689U

CN216511689U - Paper feeding knife device

Info

Publication number: CN216511689U
Application number: CN202123201354.7U
Authority: CN
Inventors: 韦英康; 韦英振; 陈启进
Original assignee: Dongguan Keqi Automation Equipment Co ltd
Current assignee: Dongguan Keqi Automation Equipment Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-13
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a paper feeding cutter device which comprises a frame body, and a driving device, a pressing assembly, a transmission assembly and a paper separating wheel which are arranged on the frame body, wherein the pressing assembly is used for elastically pressing paper, the paper separating wheel is arranged adjacent to the pressing assembly, the paper separating wheel is rotatably arranged on the frame body, and the paper separating wheel is also arranged at the output end of the driving device through the transmission assembly, so that the paper separating wheel rotates under the driving of the driving device, and the paper separating wheel can rub off overlapped paper and enable the paper to pass through in a single sheet manner through the rotation of the paper separating wheel. The paper feeding knife device can effectively separate paper and avoid thin paper from stacking, and has the advantage of simple structure.

Description

Paper feeding knife device

Technical Field

The utility model relates to the field of production and printing of packaging boxes, in particular to a paper feeding knife device.

Background

In the field of paper printing, an automatic paper feeding device is often applied to paper conveying, and particularly a paper feeding knife device is used, and the paper feeding knife device can only be used for transporting a piece of paper forwards, so that the purpose of separating the paper is achieved.

The paper feeding knife device in the prior art is shown in fig. 1, the paper feeding knife device comprises a paper feeding knife adjusting screw 10, a paper feeding knife fixing screw 20, a transverse adjusting rod 30, a pressing wheel pressure adjusting screw 40, a spring 50, a pressing wheel 60 and a paper feeding knife 70, the paper feeding knife device is integrally and horizontally moved through the transverse adjusting rod 30, in order to adapt to different paper thicknesses, the height of the paper feeding knife 70 can be increased and decreased through the paper feeding knife adjusting screw 10, and only one piece of paper can smoothly pass through once through the adjustment of the position of the lowest end of the paper feeding knife 70 and the distance between paper feeding belts conveyed outside, so that the purpose of separating paper is achieved. Meanwhile, the height of the paper knife 7 can be fixed by the paper feeding knife fixing screw 2, and the height of the pressing wheel 60 can be adjusted by the pressing wheel pressure adjusting screw 40, so that the proper pressure can be adjusted according to actual conditions, stable transmission of paper is ensured, and the pressing wheel 60 can be always engaged with a paper feeding belt or paper by the aid of the spring 50. Although the above conventional paper feeding knife device has no big problem for corrugated boxes, cartridges above 200g, it often appears to double sheets for thin paper sheets less than 200g, especially irregularly stacked paper sheets, i.e. to pass two or even more sheets at a time, and is irregular and uncontrollable, so that existing production requirements cannot be met.

In order to solve the above problems, it is necessary to provide a paper feeding blade device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a paper feeding knife device which can effectively separate paper and avoid multiple feeding of thin paper and has the advantage of simple structure.

In order to achieve the purpose, the paper feeding knife device provided by the utility model comprises a frame body, and a driving device, a pressing component, a transmission component and a paper separating wheel which are arranged on the frame body, wherein the pressing component is used for elastically pressing paper, the paper separating wheel is arranged adjacent to the pressing component, the paper separating wheel is rotatably arranged on the frame body, the paper separating wheel is also arranged at the output end of the driving device through the transmission component, so that the paper separating wheel rotates under the driving of the driving device, and the paper separating wheel can rub off overlapped paper and enable the paper to pass through the paper in a single sheet mode through the rotation of the paper separating wheel.

Preferably, the output end of the transmission assembly has a first transmission member, the paper separating wheel extends toward the first transmission member and has a second transmission member, the paper separating wheel and the second transmission member are coaxially arranged, the first transmission member and the second transmission member are matched with each other for transmission, and the first transmission member operates under the transmission of the transmission assembly and drives the second transmission member to operate.

Specifically, the first transmission part and the second transmission part are both gears, the first transmission part and the second transmission part are meshed with each other, and the first transmission part rotates under the transmission of the transmission assembly and drives the second transmission part to rotate.

Specifically, the transmission assembly further comprises a driving wheel, a driven wheel and a transmission part, the driven wheel and the paper separating wheel are arranged adjacently, the first transmission part and the driven wheel are arranged coaxially, the transmission part is arranged between the driving wheel and the driven wheel, the driving wheel is installed at the output end of the driving device, and the driving wheel is driven by the driving device to rotate and is linked with the driven wheel to rotate through the transmission part.

Specifically, the transmission assembly further comprises a guide wheel and a limiting wheel, the guide wheel and the limiting wheel are rotatably mounted on the frame body, the guide wheel is arranged between the driving wheel and the driven wheel, and the limiting wheel is located on one side of the driven wheel.

Specifically, the driving medium is in follow under the direction of leading wheel the direction of height of support body arranges, the support body has hollow cavity, drive assembly install in the cavity, the support body outside corresponds the driving medium is equipped with the elongated hole, the elongated hole with the cavity intercommunication, driving medium accessible elongated hole and the contact of the paper that piles up borrow by the transmission of driving medium drives the paper to the bottom of support body is drawn close.

Specifically, the bottom of support body have with the through-hole of cavity intercommunication, divide the paper wheel rotationally install in the cavity, divide one side of paper wheel to pass through the through-hole stretches out the cavity.

Specifically, the paper feeding knife device further comprises a blocking piece, the blocking piece is arranged at the long hole of the frame body, and the blocking piece is used for blocking a gap between the transmission assembly and the paper separating wheel.

Specifically, the blocking piece is a sheet structure which is formed by extending the outer side of the frame body inwards and is obliquely arranged.

Preferably, the pressing assembly comprises a fixing frame, a lifting frame, a pressure adjusting assembly, an elastic piece and a pressing wheel assembly, the fixing frame is slidably arranged on the fixing frame through a guide rod, the elastic piece is sleeved outside the guide rod and is elastically arranged between the fixing frame and the lifting frame, the pressure adjusting assembly is used for limiting the maximum sliding stroke of the lifting frame relative to the fixing frame so as to adjust the pressure, and the pressing wheel assembly is arranged at the bottom of the lifting frame.

Compared with the prior art, the paper feeding cutter device of the utility model combines a frame body, a driving device, a pressing component, a transmission component, a paper separating wheel and the like together, the paper separating wheel is arranged adjacent to the pressing component, the paper separating wheel is used for separating overlapped paper, the pressing component is used for elastically pressing the paper, the paper can be guided by utilizing the elastic pressing of the pressing component, the paper can be stably transmitted under proper pressure, the paper separating wheel is rotatably arranged on the frame body, the paper separating wheel is also arranged at the output end of the driving device through the transmission component, so that the paper separating wheel rotates under the driving of the driving device, namely, the transmission component is arranged at the output end of the driving device, the paper separating wheel is arranged at the output end of the transmission component, the transmission of the transmission component can ensure that the paper separating wheel rotates under the driving of the driving device, and the paper separating wheel is required to be contacted with the paper at the bottom, the position where the paper separating wheel is arranged must be positioned at the bottom of the frame body, therefore, the transmission assembly can form an intermediate connection assembly, the position of the driving device can be adjusted according to actual conditions, the position arrangement among all the parts can be more compact and more reasonable, the paper dividing wheel can twist off overlapped paper and enable the paper to pass through in a single-sheet mode by means of rotation of the paper dividing wheel, the rotation direction of the paper dividing wheel is opposite to the forward direction of the paper, the distance between the paper dividing wheel and the external conveying piece is adjusted, only one piece of paper can pass through the distance, the paper dividing wheel can have reverse resistance and twisting-off behaviors for stacked and redundant paper, the stacked paper is stopped in the original position, target paper can continue to pass through, the condition that multiple paper is fed each time is avoided, particularly, the thin paper with small thickness is avoided, and the twisting-off arrangement can ensure that only one piece of paper can pass through each time.

Drawings

Fig. 1 is a schematic structural view of a prior art paper feeding blade device.

Fig. 2 is a perspective view of the paper feed blade device of the present invention.

Fig. 3 is a side view of the paper feeding blade device of the present invention.

Fig. 4 is a front view of the paper feed blade device of the present invention.

Fig. 5 is a schematic view of the internal structure of the paper feed blade device of the present invention.

Fig. 6 is a schematic diagram of a paper feed blade device of the present invention.

Detailed Description

Referring to fig. 2 to 6, a paper feeding knife device 100 of the present invention is shown for feeding stacked thin paper and stacked thick paper, and the paper feeding knife device 100 of the present invention includes a frame 1, a driving device 2, a pressing component 3, a transmission component 4 and a paper separating wheel 5, wherein the driving device 2, the pressing component 3, the transmission component 4 and the paper separating wheel 5 are mounted on the frame 1, the paper separating wheel 5 is disposed adjacent to the pressing component 3, the paper separating wheel 5 is disposed at the right side of the pressing component 3, the paper separating wheel 5 is used for separating overlapped paper 200, the pressing component 3 is used for elastically pressing the paper 200, the paper 200 can be guided by the elastic pressing of the pressing component 3 (the paper conveying direction is indicated by arrow C in fig. 6), the proper pressure can ensure stable conveyance of the paper 200, the paper separating wheel 5 is rotatably mounted on the frame 1, the paper separating wheel 5 is mounted at the bottom of the frame 1, the transmission assembly 4 is arranged above the paper separating wheel 5, the driving device 2 is arranged above the transmission assembly 4, the paper separating wheel 5, the transmission assembly 4 and the driving device 2 are sequentially arranged from bottom to top along the height direction of the frame body 1, the paper separating wheel 5, the transmission assembly 4 and the driving device 2 are on the same straight line, the paper separating wheel 5 is also arranged at the output end of the driving device 2 through the transmission assembly 4, so that the paper separating wheel 5 rotates under the driving of the driving device 2, namely, the transmission assembly 4 is arranged at the output end of the driving device 2, the paper separating wheel 5 is arranged at the output end of the transmission assembly 4, the paper separating wheel 5 can rotate under the driving of the driving device 2 by the transmission of the transmission assembly 4, as the paper separating wheel 5 needs to be in contact with the paper 200 at the bottom, the position where the paper separating wheel 5 is arranged must be located at the bottom of the frame body connecting assembly 1, the transmission assembly 4 can form the middle, the driving device 2 can adjust the position according to the actual situation, the position setting among all the parts can be more compact and more reasonable, the paper dividing wheel 5 can rub off overlapped paper 200 and enable the paper 200 to pass through in a single-sheet mode through the rotation of the paper dividing wheel 5, the rotation direction of the paper dividing wheel 5 is opposite to the forward direction of the paper 200, the distance between the paper dividing wheel 5 and the external conveying piece 300 is adjusted, only one paper 200 can pass through the distance, therefore, the paper dividing wheel 5 can form reverse resistance and rubbing-off behaviors for the stacked paper 200 and the redundant paper 200, the stacked paper 200 can be stopped in the original position, the target paper 200 at the lowest end can continuously pass through, the condition that multiple paper sheets are fed each time is avoided, particularly thin paper with small thickness is avoided, and the rubbing-off setting can ensure that only one paper sheet can pass through each time. Preferably, the driving device 2 is a driving source such as a general motor, a stepping motor, and a servo motor, and is not limited thereto. More specifically, the following:

referring to fig. 5, the output end of the transmission assembly 4 has a first transmission member 44, the paper separating wheel 5 extends toward the first transmission member 44 and has a second transmission member 51, the paper separating wheel 5 and the second transmission member 51 are coaxially disposed, the rotation of the second transmission member 51 drives the paper separating wheel 5 to rotate, the first transmission member 44 and the second transmission member 51 cooperate to transmit, and the first transmission member 44 operates under the transmission of the transmission assembly 4 and drives the second transmission member 51 to operate. Preferably, the first transmission member 44 and the second transmission member 51 are both gears, the first transmission member 44 and the second transmission member 51 are engaged with each other, the first transmission member 44 rotates under the transmission of the transmission assembly 4 and drives the second transmission member 51 to rotate, and of course, a manufacturer may adjust the specific structure of the device or replace it with another transmission structure as required, and is not limited thereto.

Referring to fig. 5, specifically, the transmission assembly 4 further includes a driving wheel 41, a driven wheel 42, a transmission member 43, a guide wheel 45 and a limit wheel 46, where at least two of the guide wheel 45 and the limit wheel 46 are provided, and certainly, the number of the guide wheel 45 and the limit wheel 46 may also be adjusted to be one, the driving wheel 41 is located above the driven wheel 42, the guide wheel 45 and the limit wheel 46 are located between the driving wheel 41 and the driven wheel 42, the driven wheel 42 is located adjacent to the paper separating wheel 5, the driven wheel 42 is located above the paper separating wheel 5, the first transmission member 44 is coaxially disposed with the driven wheel 42, the driven wheel 42 and the first transmission member 44 rotate synchronously, the transmission member 43 is disposed between the driving wheel 41 and the driven wheel 42, the transmission member 43 is a transmission belt, the driving wheel 41 is mounted at an output end of the driving device 2, and the driving wheel 41 rotates under the driving of the driving device 2 and drives the driven wheel 42 to rotate through the transmission member 43. More specifically, the guide wheel 45 and the limiting wheel 46 are both rotatably installed on the frame body 1, the guide wheel 45 is disposed between the driving wheel 41 and the driven wheel 42, the limiting wheel 46 is located on one side of the driven wheel 42, and preferably, the limiting wheel 46 is located on the right side of the driven wheel 42, so that the transmission member 43 on one side of the transmission member 43 close to the outer side of the frame body 1 is arranged along the height direction of the frame body 1, and the stacked paper 200 is conveniently driven to descend.

Referring to fig. 2 to 6, the transmission member 43 is guided by the guide wheel 45 and arranged along the height direction of the frame body 1, the frame body 1 is overall in an "L" shape, the frame body 1 includes a vertical frame 13 and a horizontal frame 14, the vertical frame 13 is located at the right side of the horizontal frame 14, the vertical frame 13 is located along the height direction of the frame body 1, the horizontal frame 14 is located along the left and right direction of the frame body 1, a hollow cavity 131 is formed in the vertical frame 13 of the frame body 1, a hollow installation cavity is formed in the horizontal frame 14 of the frame body 1, the transmission assembly 4 is installed in the cavity 131, an elongated hole 11 is formed in the outer side of the frame body 1 corresponding to the transmission member 43, the elongated hole 11 is located at the outward side of the vertical frame 13, the elongated hole 11 is a rectangular hole arranged along the height direction of the frame body 1, the elongated hole 11 is communicated with the cavity 131, the transmission member 43 can contact with the stacked paper 200 through the elongated hole 11, the transmission of the transmission member 43 drives the paper 200 to approach to the bottom of the frame body 1, since the paper 200 is often irregularly stacked on one side of the paper feeding blade device 100 in a production line, a vibration device is conventionally added to a conveyor belt on one side of the paper feeding blade device 100, the irregular paper 200 is accelerated and lowered by vibration of the vibration device, so that the sheet 200 replaces the sheet 200 at the bottom, and the outward side of the vertical frame 13 of the present invention is provided with the elongated hole 11, the transmission member 43 of the transmission assembly 4 is conveyed downward (as indicated by arrow D in fig. 6), the stacked sheets 200 contact the downward moving transmission member 43 through the elongated hole 11, the sheets 200 are moved downward by the transmission member 43, so as to accelerate the descending of the stacked sheets 200, therefore, the paper 200 replaces the paper 200 at the bottommost part, so that a traditional vibrating device can be omitted, the production requirement is met, and meanwhile, the cost is reduced. More specifically, the paper feeding knife device 100 of the present invention further includes a blocking sheet 6, the blocking sheet 6 is disposed at the elongated hole 11 of the frame body 1, the blocking sheet 6 is used for blocking a gap between the transmission assembly 4 and the paper separating wheel 5, and the blocking sheet 6 can block the gap, so as to avoid the possibility of the paper 200 being jammed, thereby ensuring smooth operation of the device. Preferably, the blocking plate 6 is a sheet structure extending from the outer side of the frame body 1 inwards and arranged obliquely, but of course, the producer may also be an arc-shaped plate.

Referring to fig. 2 to 6, the bottom of the frame body 1 has a through hole 12 communicating with the cavity 131, the paper separating wheel 5 is rotatably installed in the cavity 131, one side of the paper separating wheel 5 extends out of the cavity 131 through the through hole 12, and a part of the paper separating wheel 5 extends out of the cavity 131 to contact with the external paper 200.

Referring to fig. 5, the pressing assembly 3 includes a fixing frame 31, a lifting frame 33, a pressure adjusting assembly 34, an elastic member 35 and a pressing wheel assembly 36, the fixing frame 31, the lifting frame 33, the pressure adjusting assembly 34 and the elastic member 35 are installed in the transverse frame 14, the pressing wheel assembly 36 extends out of the transverse frame 14, the fixing frame 31 is slidably installed on the fixing frame 31 through a guide rod 32, the elastic member 35 is sleeved outside the guide rod 32, the elastic member 35 is elastically installed between the fixing frame 31 and the lifting frame 33, the pressure adjusting assembly 34 is used for limiting the maximum sliding stroke of the lifting frame 33 relative to the fixing frame 31 to adjust the pressure, and the pressing wheel assembly 36 is installed at the bottom of the lifting frame 33.

Referring to fig. 5, the paper feeding blade device 100 of the present invention further includes a paper feeding blade adjusting screw 7, a paper feeding blade fixing screw 8, and a lateral adjusting rod 9, wherein the paper feeding blade fixing screw 8 and the paper feeding blade adjusting screw 7 are used for adjusting the position of the paper separating wheel 5, and the lateral adjusting rod 9 is mounted on the vertical frame 13.

In summary, referring to fig. 2 to 6, a detailed description is made of the operation of the paper feeding knife device 100 of the present invention:

the stacked paper sheets 200 are located at one side of the paper feeding blade device 100 (as shown in fig. 6 in particular), the transmission assembly 4 is installed at the output end of the driving device 2, the paper dividing wheel 5 is installed at the output end of the transmission assembly 4, the paper dividing wheel 5 can rotate under the driving of the driving device 2 by the transmission of the transmission assembly 4, the paper dividing wheel 5 can twist off the overlapped paper sheets 200 and make the paper sheets 200 pass through in a single sheet by the rotation of the paper dividing wheel 5, the rotation direction of the paper dividing wheel 5 is opposite to the forward direction of the paper sheets 200 (the rotation direction of the first transmission member 44 is the direction indicated by the arrow a in fig. 6, the rotation direction of the paper dividing wheel 5 is the direction indicated by the arrow B in fig. 6, the forward direction of the paper sheets 200 is the direction indicated by the arrow C in fig. 6), the distance between the paper dividing wheel 5 and the external conveying member is adjusted, the external conveying member is a conveying belt, and the like, the distance only one paper sheet 200 can pass through, thus, the paper separating wheel 5 has a reverse resistance and a twist-off behavior for the stacked and redundant paper 200, so that the stacked paper 200 is stopped in place, and the target paper 200 can continuously pass, thereby achieving the purpose of separating the paper 200.

The paper separating wheel 5 is arranged adjacent to the pressing component 3, the paper separating wheel 5 is used for separating overlapped paper 200, the pressing component 3 is used for pressing the paper 200 elastically, the paper 200 can be guided by utilizing the elastic pressing of the pressing component 3, the paper 200 can be stably transmitted under appropriate pressure, the paper separating wheel 5 is rotatably arranged on the frame body 1, the paper separating wheel 5 is also arranged at the output end of the driving device 2 through the transmission component 4, so that the paper separating wheel 5 rotates under the driving of the driving device 2, namely, the transmission component 4 is arranged at the output end of the driving device 2, the paper separating wheel 5 is arranged at the output end of the transmission component 4, the paper separating wheel 5 can rotate under the driving of the driving device 2 by utilizing the transmission of the transmission component 4, and the paper separating wheel 5 needs to be contacted with the paper 200 at the bottom, the position of the paper dividing wheel 5 is necessarily arranged at the bottom of the frame body 1, so the transmission component 4 can form an intermediate connection component, the position of the driving device 2 can be adjusted according to the actual situation, the position arrangement between each component can be more compact and the position arrangement is more reasonable, the paper dividing wheel 5 can rub off the overlapped paper 200 and make the paper 200 pass through in a single piece by the rotation of the paper dividing wheel 5, the rotation direction of the paper dividing wheel 5 is opposite to the forward direction of the paper 200, the distance between the paper dividing wheel 5 and an external conveying component is adjusted, only one paper 200 can pass through, thus the paper dividing wheel 5 has 'reverse resistance' and 'rub off' behaviors for the stacked and redundant paper 200, the stacked paper 200 is stopped in the original position, the target paper 200 can continuously pass through, the condition that a plurality of paper sheets are fed each time is avoided, particularly some thin paper with smaller thickness, the arrangement of twisting off can ensure that only one piece of paper can pass through each time.

The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the present invention, which is therefore intended to cover all equivalent changes and modifications within the scope of the present invention.

Claims

1. The paper feeding cutter device is characterized by comprising a frame body, a driving device, a pressing component, a transmission component and a paper separating wheel, wherein the driving device, the pressing component, the transmission component and the paper separating wheel are mounted on the frame body, the pressing component is used for pressing paper elastically, the paper separating wheel is arranged adjacent to the pressing component, the paper separating wheel is rotatably mounted on the frame body, the paper separating wheel is further mounted at the output end of the driving device through the transmission component, the paper separating wheel is driven by the driving device to rotate, and the paper separating wheel is rotated to enable the paper separating wheel to rub the overlapped paper and enable the paper to pass through the paper singly.

2. The paper feeding blade apparatus according to claim 1, wherein the output end of the driving assembly has a first driving member, the paper separating wheel extends toward the first driving member and has a second driving member, the paper separating wheel is coaxially disposed with the second driving member, the first driving member and the second driving member cooperate to drive, and the first driving member operates under the driving of the driving assembly and drives the second driving member to operate.

3. The paper feeding blade apparatus according to claim 2, wherein the first transmission member and the second transmission member are gears, the first transmission member and the second transmission member are engaged with each other, and the first transmission member rotates under the drive of the transmission assembly and drives the second transmission member to rotate.

4. The paper feeding knife device according to claim 2, characterized in that the transmission assembly further comprises a driving wheel, a driven wheel and a transmission member, the driven wheel is disposed adjacent to the paper separating wheel, the first transmission member is disposed coaxially with the driven wheel, the transmission member is disposed between the driving wheel and the driven wheel, the driving wheel is mounted at the output end of the driving device, and the driving wheel is driven by the driving device to rotate and is linked with the driven wheel to rotate through the transmission member.

5. The paper feeding knife device according to claim 4, characterized in that the transmission assembly further comprises a guide wheel and a limiting wheel, the guide wheel and the limiting wheel are both rotatably mounted on the frame body, the guide wheel is arranged between the driving wheel and the driven wheel, and the limiting wheel is positioned on one side of the driven wheel.

6. The paper feeding knife device according to claim 4, characterized in that the transmission member is arranged along the height direction of the frame body, the frame body has a hollow cavity, the transmission assembly is installed in the cavity, the outer side of the frame body is provided with a long hole corresponding to the transmission member, the long hole is communicated with the cavity, the transmission member can contact with stacked paper through the long hole, and the paper is driven to approach to the bottom of the frame body by the transmission of the transmission member.

7. The paper feeding knife assembly according to claim 6, characterized in that the bottom of the frame body has a through hole communicating with the cavity, the paper separating wheel is rotatably mounted in the cavity, and one side of the paper separating wheel protrudes out of the cavity through the through hole.

8. The paper feeding knife assembly according to claim 6, further comprising a blocking piece disposed at the elongated hole of the frame body, the blocking piece being used to block a gap between the transmission assembly and the paper separating wheel.

9. The paper feeding knife assembly according to claim 8, wherein the baffle is a sheet-like structure extending inward from the outer side of the frame and disposed obliquely.

10. The paper feeding knife device according to claim 1, wherein the pressing assembly comprises a fixing frame, a lifting frame, a pressure adjusting assembly, an elastic member and a pressing wheel assembly, the fixing frame is slidably arranged on the fixing frame through a guide rod, the elastic member is sleeved outside the guide rod and is elastically arranged between the fixing frame and the lifting frame, the pressure adjusting assembly is used for limiting the maximum sliding stroke of the lifting frame relative to the fixing frame so as to adjust the pressure, and the pressing wheel assembly is arranged at the bottom of the lifting frame.