Inner frame paper conveying device

Abstract

The utility model provides an inner frame paper conveying device. The inner frame paper conveying device comprises a rack; the negative pressure pipe is arranged on the rack and extends in the horizontal direction, the negative pressure pipe can rotate around a vertical rotating axis, the output end of the negative pressure pipe is communicated with a negative pressure source, a plurality of connecting ports are formed in the outer circumferential surface of the negative pressure pipe, and the connecting ports are communicated with the output end; the air suction foot is arranged on the negative pressure pipe, a vent hole penetrating through the air suction foot in the vertical direction is formed in the air suction foot, the upper end of the vent hole is communicated with the connector, and a sinking groove communicated with the vent hole is formed in the lower end face of the vent hole; and the conveying mechanism is used for conveying the inner frame paper to the position below the air suction foot, and the projection of the sinking groove in the vertical direction is located in the outline range of the inner frame paper below the air suction foot. The inner frame paper can be prevented from falling off, and the conveying efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cigarette packaging, in particular to an inner frame paper conveying device. Background Art

[0002] When the ZB45 packaging machine conveys the inner frame paper, it first installs the inner frame paper roll on the tensioning frame, then uses the unfolding roller to unfold the inner frame paper and convey it to the inner frame paper cutting assembly for cutting, and cuts a single inner frame paper of a fixed shape and size from the unfolded inner frame paper roll. The cut inner frame paper is then picked up by the negative pressure adsorption device and conveyed to the fourth wheel for folding to wrap the lining cigarette pack. However, in the process of picking up the inner frame paper and conveying it to the fourth wheel, the inner frame paper often falls off, which leads to the loss of inner frame paper in the finished cigarette pack, affecting product quality. Utility Model Content

[0003] The utility model aims to solve the technical problem that inner frame paper is easy to fall off when conveyed in a packaging machine. The utility model provides an inner frame paper conveying device, which can prevent the inner frame paper from falling off and improve the conveying efficiency.

[0004] In order to solve the above technical problems, the embodiment of the utility model provides an inner frame paper conveying device, comprising:

[0005] frame;

[0006] A negative pressure tube is arranged on the frame and extends in the horizontal direction. The negative pressure tube can rotate around a vertical rotation axis. The output end of the negative pressure tube is connected to the negative pressure source. A plurality of connection ports are arranged on the outer circumference of the negative pressure tube, and the connection ports are connected to the output end.

[0007] The air suction foot is arranged on the negative pressure pipe, and the air suction foot is provided with an air vent which runs through the foot in the vertical direction, the upper end of the air vent is connected with the connecting port, and the lower end surface of the air vent is provided with a sink connected with the air vent;

[0008] The conveying mechanism is used to convey the inner frame paper to the bottom of the suction foot, and the projection of the sink along the vertical direction is located within the contour range of the inner frame paper below the suction foot.

[0009] Optionally, a cutting mechanism is further included, which is arranged near the discharge end of the conveying mechanism and is used to cut the inner frame paper into a preset shape. The cutting mechanism includes:

[0010] A fixed knife is arranged on the frame and is arranged near the discharging end of the conveying mechanism. The fixed knife is located above the inner frame paper and is provided with a first cutting edge.

[0011] The movable knife is arranged below the air suction foot, and a second blade portion is provided on the movable knife. The movable knife can reciprocate in the vertical direction relative to the fixed knife. When the movable knife moves upward, the second blade portion can combine with the first blade portion to shear the inner frame paper, and push the sheared inner frame paper to the lower surface of the air suction foot.

[0012] Optionally, a gas distribution seat is provided on the frame, which can rotate around the rotation axis. The gas distribution seat is detachably connected to the negative pressure pipe. A gas distribution channel is provided on the gas distribution seat. The input end of the gas distribution channel is connected to the output end of the negative pressure pipe, and the outlet end of the gas distribution channel is connected to the negative pressure source.

[0013] Optionally, a mounting ring is provided at the upper end of the suction foot, and the inner cavity of the mounting ring is connected to the vent hole. When the mounting ring is sleeved at a preset position on the negative pressure tube, the inner cavity of the mounting ring is connected to the connecting port.

[0014] Optionally, an adsorption block is provided at the lower end of the suction foot, the lower surface of the adsorption block is a smooth plane, and the sink is provided on the lower surface of the adsorption block.

[0015] Optionally, the thickness of the adsorption block is 5 mm, the depth of the sink is 3 mm, and the projection size of the sink on the horizontal plane is 13 mm×6 mm.

[0016] Optionally, it also includes a driving mechanism, which is arranged on the frame and connected to the gas distribution seat, and the driving mechanism is used to drive the gas distribution seat to rotate around the rotation axis.

[0017] Optionally, the conveying mechanism comprises:

[0018] A positioning shaft is arranged on the frame;

[0019] The core cylinder is sleeved on the positioning shaft and can rotate around the axis of the positioning shaft, and the first end of the inner frame paper is wound around the core cylinder;

[0020] The second end of the inner frame paper is inserted into the unfolding roller group, and the unfolding roller group is used for pulling the inner frame paper to move along the conveying direction.

[0021] Optionally, the unwinding roller set comprises:

[0022] Motor;

[0023] A driving roller is connected to the driving end of the motor. The driving roller can rotate around its own axis under the drive of the motor, and the axis of the driving roller is parallel to the axis of the positioning shaft;

[0024] The circumferential surface of the paper pressing roller is pressed against the circumferential surface of the driving roller, and the second end of the inner frame paper passes between the driving roller and the paper pressing roller. When the driving roller rotates, it can pull the inner frame paper to move along the conveying direction.

[0025] Compared with the prior art, the utility model has the following beneficial effects:

[0026] The embodiment of the utility model conveys the inner frame paper to the bottom of the suction foot through the conveying mechanism, and provides negative pressure to the vent hole in the suction foot through the negative pressure tube, so that the suction foot can absorb the inner frame paper. By rotating the negative pressure tube around the rotation axis, the inner frame paper can be driven to move, so as to convey the inner frame paper to the downstream process. In addition, by providing a sink groove on the lower end surface of the suction foot, the negative pressure adsorption area of ​​the vent hole on the inner frame paper can be increased, so that the suction foot can more firmly adsorb the inner frame paper. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic diagram showing an inner frame paper conveying device provided by an embodiment of the utility model;

[0028] Figure 2 Shows Figure 1 Enlarged view of part A.

[0029] Reference numerals:

[0030] 1. Negative pressure pipe, 2. Suction foot, 3. Connection port, 4. Vent, 5. Sink, 6. Conveying mechanism, 7. Cutting mechanism, 8. Fixed knife, 9. Moving knife, 10. First blade, 11. Second blade, 12. Gas distribution seat, 13. Mounting ring, 14. Inner frame paper, 15. Adsorption block, 16. Positioning shaft, 17. Core tube, 18. Unfolding roller group, 19. Driving roller, 20. Paper pressing roller, 21. Output end, 22. Rotation axis. DETAILED DESCRIPTION

[0031] The following is an explanation of the implementation of the present invention by specific specific embodiments. Those skilled in the art can easily understand other advantages and functions of the present invention from the contents disclosed in this specification. Although the description of the present invention will be introduced in conjunction with the preferred embodiment, this does not mean that the features of this utility model are limited to this implementation. On the contrary, the purpose of introducing the utility model in conjunction with the implementation is to cover other options or modifications that may be extended based on the claims of the present invention. In order to provide a deep understanding of the present invention, the following description will include many specific details. The present invention can also be implemented without using these details. In addition, in order to avoid confusion or blurring the focus of the present invention, some specific details will be omitted in the description. It should be noted that, in the absence of conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other.

[0032] It should be noted that in this specification, similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0033] In the description of this embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0034] The terms “first”, “second”, etc. are only used for distinguishing descriptions and should not be understood as indicating or implying relative importance.

[0035] In the description of this embodiment, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this embodiment can be understood according to specific circumstances.

[0036] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0037] The embodiment of the utility model provides an inner frame paper conveying device, such as Figure 1 As shown, it includes a frame, a negative pressure pipe 1, a suction foot 2 and a conveying mechanism 6. Among them, the negative pressure pipe 1 is arranged on the frame and extends in the horizontal direction. The negative pressure pipe 1 can rotate around the vertical rotation axis 22. The output end 21 of the negative pressure pipe 1 is connected to the negative pressure source, and a plurality of connecting ports 3 are provided on the outer circumferential surface of the negative pressure pipe 1, and the connecting ports 3 are connected to the output end 21. The suction foot 2 is arranged on the negative pressure pipe 1, and the inside of the suction foot 2 is provided with a vent 4 that penetrates itself in the vertical direction. The upper end of the vent 4 is connected to the connecting port 3, and the lower end surface of the vent 4 is provided with a sink 5 connected to the vent 4. The conveying mechanism 6 is used to convey the inner frame paper 14 to the bottom of the suction foot 2, and the projection of the sink 5 in the vertical direction is located within the contour range of the inner frame paper 14 below the suction foot 2.

[0038] By adopting the above technical solution, the inner frame paper 14 is transported to the bottom of the suction foot 2 through the conveying mechanism 6, and the negative pressure is provided to the vent 4 in the suction foot 2 through the negative pressure tube 1, so that the suction foot 2 can adsorb the inner frame paper 14. Specifically, the output end 21 of the negative pressure tube 1 is connected to a negative pressure source with stable pressure, and the negative pressure source provides negative pressure to the negative pressure tube 1 and the suction foot 2, so that the suction foot 2 can adsorb the inner frame paper 14. After the suction foot 2 adsorbs the inner frame paper 14, the negative pressure tube 1 is rotated around the rotation axis 22 to drive the inner frame paper 14 to move to the downstream process. The equipment of the downstream process can directly pick up the inner frame paper 14 from the suction foot 2 for processing. In addition, by providing a sink 5 on the lower end surface of the suction foot 2, the negative pressure adsorption area of ​​the vent 4 to the inner frame paper 14 can be increased, so that the suction foot 2 can adsorb the inner frame paper 14 more firmly.

[0039] Furthermore, if Figure 1 As shown, the conveying mechanism 6 includes a positioning shaft 16, a core barrel 17 and an unfolding roller group 18. Among them, the positioning shaft 16 is arranged on the frame. The core barrel 17 is sleeved on the positioning shaft 16 and can rotate around the axis of the positioning shaft 16. The inner frame paper 14 being conveyed is in the shape of a long strip, and the first end of the inner frame paper 14 is wound around the core barrel 17. The second end of the inner frame paper 14 is inserted into the unfolding roller group 18, and the unfolding roller group 18 is used to pull the inner frame paper 14 to move along the conveying direction. Specifically, the unfolding roller group 18 includes a motor, a driving roller 19 and a paper pressing roller 20. The driving roller 19 is connected to the driving end of the motor, and the driving roller 19 can rotate around its own axis under the drive of the motor, and the axis of the driving roller 19 is parallel to the axis of the positioning shaft 16. The circumferential surface of the paper pressing roller 20 is pressed against the circumferential surface of the driving roller 19, and the second end of the inner frame paper 14 passes between the driving roller 19 and the paper pressing roller 20. When the driving roller 19 rotates, it can pull the inner frame paper 14 to move along the conveying direction to convey the second end of the inner frame paper 14 to the bottom of the suction foot 2, so that the suction foot 2 can absorb the inner frame paper 14.

[0040] Furthermore, if Figure 1As shown, it also includes a cutting mechanism 7, which is arranged near the discharge end of the conveying mechanism 6, and the cutting mechanism 7 is used to cut the inner frame paper 14 into a preset shape. Specifically, the inner frame paper 14 conveyed by the conveying mechanism 6 is in the shape of a long strip, and the conveying mechanism 6 can convey the second end of the inner frame paper 14 to the bottom of the suction foot 2, and the cutting mechanism 7 is used to cut a part of the second end of the inner frame paper 14 as the inner frame paper 14 for the inside of the cigarette pack. The cutting mechanism 7 includes a fixed knife 8 and a movable knife 9, wherein the fixed knife 8 is arranged on the frame, and the fixed knife 8 is arranged near the discharge end of the conveying mechanism 6, and the fixed knife 8 is located above the inner frame paper 14, and the fixed knife 8 is provided with a first blade 10. The movable knife 9 is arranged below the suction foot 2, and a second blade portion 11 is provided on the movable knife 9. The movable knife 9 can reciprocate in the vertical direction relative to the fixed knife 8. When the movable knife 9 moves upward, the second blade portion 11 can combine with the first blade portion 10 to cut the inner frame paper 14, and push the cut inner frame paper 14 upward to the lower surface of the suction foot 2, and then the suction foot 2 sucks away the cut inner frame paper 14.

[0041] Furthermore, if Figure 1 As shown, a gas distribution seat 12 is provided on the frame, and the gas distribution seat 12 can rotate around the rotation axis 22. The gas distribution seat 12 is detachably connected to the negative pressure pipe 1, and a gas distribution channel is provided on the gas distribution seat 12. The input end of the gas distribution channel is connected to the output end 21 of the negative pressure pipe 1, and the outlet end of the gas distribution channel is connected to the negative pressure source. Specifically, the gas distribution channel includes a horizontal channel and a vertical channel that are connected. The input end of the horizontal channel is connected to the output end 21 of the negative pressure pipe 1, and the outlet end of the vertical channel is connected to the negative pressure source. The axis of the vertical channel coincides with the rotation axis 22.

[0042] Furthermore, if Figure 1 and Figure 2 As shown, a mounting ring 13 is provided at the upper end of the air suction foot 2, and the inner cavity of the mounting ring 13 is connected with the air vent 4. When the mounting ring 13 is sleeved at a preset position on the negative pressure tube 1, the inner cavity of the mounting ring 13 is connected with the connecting port 3, so that the gas in the air vent 4 can enter the inner cavity of the negative pressure tube 1 under the action of negative pressure.

[0043] Furthermore, if Figure 1 and Figure 2 As shown, an adsorption block 15 is provided at the lower end of the air suction foot 2, and the lower surface of the adsorption block 15 is a smooth plane to reduce the wear of the lower surface of the adsorption block 15 on the surface of the inner frame paper 14, and the sink 5 is provided on the lower surface of the adsorption block 15. Specifically, the thickness of the adsorption block 15 is 5 mm, the depth of the sink 5 is 3 mm, and the projection size of the sink 5 on the horizontal plane is 13 mm×6 mm.

[0044] Furthermore, the inner frame paper conveying device also includes a driving mechanism, which is arranged on the frame and connected to the gas distribution seat 12 , and the driving mechanism is used to drive the gas distribution seat 12 to rotate around the rotation axis 22 .

[0045] Although the present invention has been illustrated and described with reference to certain preferred embodiments of the present invention, it should be understood by those skilled in the art that the above contents are further detailed descriptions of the present invention in combination with specific embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. Those skilled in the art may make various changes in form and details, including making several simple deductions or substitutions, without departing from the spirit and scope of the present invention.

Claims

1. An inner frame paper conveying device, characterized in that: include: frame; A negative pressure pipe is arranged on the frame and extends in the horizontal direction. The negative pressure pipe can rotate around a vertical rotation axis. The output end of the negative pressure pipe is connected to a negative pressure source. A plurality of connection ports are arranged on the outer circumference of the negative pressure pipe. The connection ports are connected to the output end. An air suction foot is arranged on the negative pressure tube, the interior of the air suction foot is provided with an air vent which penetrates the foot in a vertical direction, the upper end of the air vent is connected with the connecting port, and the lower end surface of the air vent is provided with a sink connected with the air vent; The conveying mechanism is used to convey the inner frame paper to the bottom of the suction foot, and the projection of the sink along the vertical direction is located within the contour range of the inner frame paper below the suction foot.

2. The inner frame paper conveying device according to claim 1, characterized in that: It also includes a cutting mechanism, which is arranged near the discharge end of the conveying mechanism and is used to cut the inner frame paper into a preset shape. The cutting mechanism includes: A fixed knife is arranged on the frame, and the fixed knife is arranged near the discharge end of the conveying mechanism, the fixed knife is located above the inner frame paper, and the fixed knife is provided with a first cutting edge; A movable knife is arranged below the suction foot, and a second blade portion is provided on the movable knife. The movable knife can reciprocate in a vertical direction relative to the fixed knife. When the movable knife moves upward, the second blade portion can combine with the first blade portion to shear the inner frame paper, and push the sheared inner frame paper to the lower surface of the suction foot.

3. The inner frame paper conveying device according to claim 2, characterized in that: The frame is provided with a gas distribution seat, which can rotate around a rotation axis, and the gas distribution seat is detachably connected to the negative pressure pipe. The gas distribution seat is provided with a gas distribution channel, the input end of the gas distribution channel is connected to the output end of the negative pressure pipe, and the outlet end of the gas distribution channel is connected to the negative pressure source.

4. The inner frame paper conveying device according to claim 3, characterized in that: A mounting ring is provided at the upper end of the air suction foot, and an inner cavity of the mounting ring is communicated with the vent hole. When the mounting ring is sleeved at a preset position on the negative pressure tube, the inner cavity of the mounting ring is communicated with the connecting port.

5. The inner frame paper conveying device according to claim 4, characterized in that: An adsorption block is arranged at the lower end of the air suction foot, the lower surface of the adsorption block is a smooth plane, and the sink is arranged on the lower surface of the adsorption block.

6. The inner frame paper conveying device according to claim 5, characterized in that: The thickness of the adsorption block is 5 mm, the depth of the sink is 3 mm, and the projection size of the sink on the horizontal plane is 13 mm×6 mm.

7. The inner frame paper conveying device according to any one of claims 3 to 6, characterized in that: It also includes a driving mechanism, which is arranged on the frame and connected to the gas distribution seat, and the driving mechanism is used to drive the gas distribution seat to rotate around the rotation axis.

8. The inner frame paper conveying device according to claim 7, characterized in that: The conveying mechanism comprises: A positioning shaft, arranged on the frame; A core barrel is sleeved on the positioning shaft and can rotate around the axis of the positioning shaft, and the first end of the inner frame paper is wound around the core barrel; An unfolding roller group, wherein the second end of the inner frame paper is inserted into the unfolding roller group, and the unfolding roller group is used for pulling the inner frame paper to move along the conveying direction.

9. The inner frame paper conveying device according to claim 8, characterized in that: The unwinding roller set comprises: Motor; A driving roller connected to the driving end of the motor, the driving roller can rotate around its own axis under the drive of the motor, and the axis of the driving roller is parallel to the axis of the positioning shaft; The circumferential surface of the paper pressing roller is pressed against the circumferential surface of the driving roller, and the second end of the inner frame paper passes between the driving roller and the paper pressing roller. When the driving roller rotates, it can pull the inner frame paper to move along the conveying direction.

Images