CN218876459U

CN218876459U - Paper bag machine bottom roller air suction device

Info

Publication number: CN218876459U
Application number: CN202222369644.0U
Authority: CN
Inventors: 朱东
Original assignee: Sunhope Packaging Machinery Zhenjiang Co ltd
Current assignee: Sunhope Packaging Machinery Zhenjiang Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-04-18
Anticipated expiration: 2032-09-06

Abstract

The invention discloses a bottom roller opening air suction device of a paper bag machine. The air distribution device is provided with two swing arm driving devices, and the main shaft is provided with a cam adjusting device which is respectively matched with each swing arm driving device and used for controlling air suction and air discharge positions. The advantages are that: utilize swing arm drive arrangement and cam adjusting device cooperation to adjust to breathe in and gassing time ingeniously, made the accurate interlock of finger claw action from this, guaranteed the operating stability, the container bag is opened the end and is pulled open, the action of no dislocation, the good reliability, and production efficiency improves greatly, has just also effectively guaranteed the production quality of production container bag.

Description

Paper bag machine bottom roller air suction device

Technical Field

The invention relates to a packaging paper bag manufacturing device, in particular to a bottom opening roller air suction device of a paper bag machine.

Background

At present, the container bag packing is in each field wide use, various container bag application occasions require more and more high to the container bag, especially most occasions all propose the concrete requirement that can not have crumpling and base angle rupture phenomenon to container bag bottom shaping, however, among the prior art, container bag production mainly relies on the paper bag machine of high-speed operation to produce, paper bag machine is at high-speed production and is made big end wide paper crumpling and bottom rupture more serious, it is at the production in-process to find its reason, the action is inaccurate to indicate of paper bag machine, the container bag opens the end unstably, change greatly, the container bag opens the end and can not effectively pull open and have dislocation jam phenomenon, lead to producing the reliability poor from this, above-mentioned these problems, container bag quality and production efficiency have seriously been influenced.

Disclosure of Invention

The invention aims to solve the technical problem of providing the suction device of the bottom opening roller of the paper bag machine, which has good running stability, accurate occlusion of finger claw action, pull-open of the bottom of the paper bag, no dislocation action, good reliability and high production efficiency, thereby ensuring the quality of the paper bag.

In order to solve the technical problem, the paper bag machine bottom opening roller air suction device comprises a main shaft with two air flow channels, an air distribution device arranged at one end of the main shaft, a bag bottom air suction assembly arranged in the middle of the main shaft and used for sucking the middle bag bottom, and a pair of bottom opening roller air suction assemblies arranged in the middle of the main shaft and positioned at two sides of the bag bottom air suction assembly and used for sucking the two side paper bags at the bottom, wherein two swing arm driving devices are arranged on the air distribution device, a cam adjusting device which is respectively matched with each swing arm driving device and used for controlling air suction and air discharge positions is arranged on the main shaft, and the air distribution device can be matched with the two air flow channels of the main shaft to distribute air for the bag bottom air suction assembly and the bottom opening roller air suction assembly in the air suction device through the matching of the swing arm driving devices and the cam adjusting devices.

The air distribution device comprises an air distribution seat arranged on the main shaft through a bearing, two air distribution holes which are arranged on the air distribution seat and communicated with the two airflow channels respectively, and a valve core assembly arranged in the two air distribution holes respectively, wherein the swing arm driving device is matched with the valve core assembly to push the valve core assembly to act so as to realize the control of air suction and air release positions.

Each cam adjusting device comprises a fixed cam fixedly installed on the main shaft and an adjusting cam fixedly installed on the fixed cam through a fastening piece, and the arc length of a high point and a low point is adjusted through the circumferential position of the adjusting cam on the fixed cam, so that the control of air suction and air discharge positions is realized.

The swing arm driving device comprises a swing arm hinged to the gas distribution seat, a roller which is arranged at one end of the swing arm through a roller shaft and used for pressing the surface of the fixed cam and the adjusting cam, and a jacking assembly which is arranged at the other end of the swing arm and used for pressing the end face of one side of the valve core assembly, wherein the other end of the valve core assembly is propped against the pressure regulating assembly arranged on the gas distribution seat.

Two limiting sleeves at the opening ends of the air distribution holes are arranged at two ends of the air distribution seat, and the pressure regulating assembly comprises a support arranged on the limiting sleeves and a screw which is screwed on the support and used for abutting against the pressure valve core assembly and is locked and fixed through a nut.

The valve core assembly comprises a valve rod, a valve block arranged on the valve rod and positioned in the air distribution hole, and two placing cavities provided with springs and balls and arranged at the end part of the valve rod, and the air distribution seat is also provided with an air inlet channel communicated with the air distribution hole.

The air distribution seat is provided with an air inlet seat, the air inlet seat is provided with a pipe joint which is respectively communicated with the two air distribution holes through an air inlet channel, and the pipe joint is connected with an external air pump through a pipeline to provide a required air source.

And one of the limiting sleeves in each air distribution hole is provided with an air bleed hole. After adopting foretell structure, the accessible distributing device distributes gas and can make two air current channel cooperations of distributing device and main shaft through swing arm drive arrangement and cam adjusting device cooperation can make the distributing device and the bag bottom subassembly of breathing in and the bottom roller subassembly of breathing in among the air suction means distribute gas, this in-process has utilized swing arm drive arrangement and cam adjusting device cooperation to adjust to breathe in and gassing time ingeniously, make the accurate interlock of finger claw action from this, operation stationarity has been guaranteed, the paper bag is opened the bottom and is pulled open, the dislocation-free action, good reliability, and production efficiency improves greatly, the production quality of production paper bag has just also effectively been guaranteed.

Drawings

FIG. 1 is a schematic perspective view of the bottom roller air suction device of the paper bag machine of the present invention;

FIG. 2 is a schematic cross-sectional view of the air suction device of the bottom opening roller of the paper bag machine of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of a partial structure of the working principle of the air distribution closure of the present invention;

fig. 5 is a partial structural schematic diagram of the air distribution and suction working principle of the present invention.

Detailed Description

The paper bag machine bottom opening roller suction device of the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in the figure, the paper bag machine bottom roller air suction device comprises a main shaft 2 with two air flow channels 1, an air distribution device 3 arranged at the left end of the main shaft, a gear 4 arranged at the right end of the main shaft, a bag bottom air suction component 5 arranged in the middle of the main shaft and two bottom roller air suction components 6 positioned at two sides of the bag bottom air suction component 5, wherein the main shaft 2 is arranged on a wall plate through a bearing and is driven to rotate by the power provided by the gear arranged on the main shaft, and the main shaft 2 is provided with a plug 26 for plugging the opening end parts of the two air flow channels 1, the second air flow channel is communicated with the vent grooves in the two bottom-opening roller air suction components 6, the middle bag bottom is sucked through the bag bottom air suction component 5, the two paper bags on two sides are sucked through the two bottom-opening roller air suction components 6, the air distribution device 3 comprises an air distribution seat 9 arranged on the main shaft 2 through a bearing, a left air distribution hole and a right air distribution hole (the left side in figure 1 is defined as the left side, the right side in figure 1 is defined as the right side) arranged on the air distribution seat, and valve core components respectively arranged in the left air distribution hole and the right air distribution hole, the left air distribution hole is communicated with the first air flow channel, the right air distribution hole is communicated with the second air flow channel, a left swing arm driving device and a right swing arm driving device 7 are arranged on the air distribution device 3, a left cam adjusting device and a right cam adjusting device 8 which are respectively matched with the left swing arm driving device and the right swing arm driving device and are used for controlling air suction and air discharge positions are arranged on the main shaft 2, the left swing arm driving device 7 is matched with the valve core assembly in the gas distribution hole on the left side, so that the valve core assembly is pushed to act under the action of the cam adjusting device 8 on the left side, the swing arm driving device 7 on the right side is matched with the valve core assembly in the gas distribution hole on the right side, so that the valve core assembly is pushed to act under the action of the cam adjusting device 8 on the right side, the control of gas suction and gas discharge positions can be realized, and therefore the gas distribution device 3 can be selectively matched with the two gas flow channels of the main shaft 2 to distribute gas for the bag bottom gas suction assembly 5 and the bottom opening roller gas suction assembly 6 in the gas distribution device through the matching of the swing arm driving device 7 and the cam adjusting device 8.

Further, as shown in fig. 4 and 5, the two cam adjusting devices 8 each comprise a fixed cam 10 fixedly mounted on the main shaft 2 and an adjusting cam 11 fixedly mounted on the fixed cam by a fastener, and the arc length adjustment of the high point and the low point of the profile is realized by the circumferential position of the adjusting cam 11 on the fixed cam 10, so as to realize the control of the air suction and air discharge positions, the two swing arm driving devices 7 each comprise a swing arm 12 hinged on the air distribution seat 9 by a pin shaft 28, a roller 13 mounted on the upper end of the swing arm by a roller shaft and used for pressing on the surfaces of the fixed cam 10 and the adjusting cam 11, and a pressing assembly 14 mounted on the lower end of the swing arm and used for pressing on one side end face of the corresponding spool assembly, wherein, each jacking assembly 14 comprises a jacking bolt and a positioning nut which are screwed at the lower end of the swing arm, the other end of each valve core assembly is propped against the valve core assembly through a corresponding pressure regulating assembly 15 which is arranged on the gas distribution seat 9, two limiting sleeves which are respectively arranged at the front and the rear open ends of a left gas distribution hole (the position shown in figure 1) and two limiting sleeves which are arranged at the front and the rear open ends of a right gas distribution hole (the position shown in figure 1) are arranged on the front and the rear end faces of the gas distribution seat 9, a gas distribution channel is formed between the two limiting sleeves, each pressure regulating assembly 15 comprises two brackets 27 which are respectively arranged on the two limiting sleeves 16 and a propping screw 18 which is respectively screwed on the two brackets and is used for propping against the valve core assembly and is respectively locked and fixed through a locking nut 17, and the propping screw 18 can prop against the valve core assembly.

Still further, the valve core assembly includes a valve rod 19, a valve block 20 disposed on the valve rod and disposed in the air distribution hole, and a left and a right two housing cavities disposed at left and right end portions of the valve rod (left and right directions shown in fig. 4 define left and right ends of the valve rod), wherein a set of a compression spring 21 and a steel ball 22 are disposed in the left and right two housing cavities, respectively, and taking fig. 4 as an example, the pressure of the compression spring on the left side is greater than the pressure of the compression spring on the right side, so that the valve rod 19 and the valve block 20 are disposed in the air distribution hole, the pressing screw 18 in the pressure regulating assembly 15 is pressed against the steel ball in the right housing cavity, and the pressing bolt in the pressing assembly 14 is pressed against the steel ball in the left housing cavity, and is locked by the locking nut 17 by adjusting the pressure of the pressing screw 18 pressed against the compression spring 21 and the steel ball 22 in the right housing cavity, so as to achieve pressure regulation, and in addition, in order to achieve air intake, an air distribution channel 23 communicated with the air distribution hole is further disposed on the air distribution seat 9, an air inlet is disposed, an air inlet seat 24 is disposed, and an air source channel 25 is connected to an external air pump by a pipe joint 25.

Taking the gas distribution of one of the gas distribution units as an example, because the swing arm 12 can swing on the gas distribution seat 9 with the pin shaft 28 as the center of circle, the upper end of the swing arm is pressed on the contour surfaces of the fixed cam 10 and the adjusting cam 11 through the roller 13 mounted on the roller shaft, and the jacking bolt locked by the positioning nut mounted at the lower end of the swing arm butts against the steel ball, as shown in fig. 5, when the high point of the cam contour pushes the roller 13, the swing arm 12 swings with the pin shaft 28 as the center of circle, and butts against the steel ball (at this time, the compression spring compresses) and pushes the valve rod to move through the jacking bolt, as shown in fig. 5, the valve block is pushed to the right side (the orientation shown in fig. 5), so that the gas inlet channel 23 is communicated with one of the gas inlet channels through the gas distribution holes, so as to achieve gas suction, that the left end surface of the valve block leaves the end surface of the left side position limiting sleeve, the gas distribution channel is opened, so that the gas of the gas inlet channel 23 can enter one of the gas inlet channel, the right side of the valve block is contacted with the end surface of the right side limiting sleeve, the gas outlet channel (as shown in fig. 5, when the valve block enters the low point of the cam, so as to ensure that the gas outlet of the valve block in the valve block contacts the valve block, and the main shaft, so as to ensure that the valve block, and the valve block on the valve block, and the valve block.

Claims

1. The utility model provides a paper bag machine bottom roll getter device, its characterized in that: including main shaft (2) that have two air current passageway (1), install air distribution device (3) in main shaft one end and install being used for in main shaft (2) middle part to the middle bag end inspiratory subassembly (5) and a pair of open end roller subassembly (6) of breathing in that is used for opening the end inspiratory to both sides container bag that installs in main shaft (2) middle part and is located bag end subassembly (5) both sides, be provided with two swing arm drive arrangement (7) on air distribution device (3), be provided with respectively with each on main shaft (2) swing arm drive arrangement complex is used for controlling cam adjusting device (8) of breathing in and gassing position, through swing arm drive arrangement (7) and cam adjusting device (8) cooperation can make air distribution device (3) and main shaft (2) two air current passageway cooperations inhale subassembly (5) and open end roller subassembly (6) and distribute gas in the air distribution to the bag end in the air distribution device.

2. The paper bag machine bottom opening roller air suction device according to claim 1, characterized in that: the air distribution device (3) comprises an air distribution seat (9) arranged on the main shaft (2) through a bearing, two air distribution holes which are formed in the air distribution seat and communicated with the two airflow channels (1) respectively, and valve core assemblies which are arranged in the two air distribution holes respectively, and the swing arm driving device (7) is matched with the valve core assemblies to push the valve core assemblies to act so as to realize control of air suction and air release positions.

3. The paper bag machine bottom opening roller suction device according to claim 1 or 2, characterized in that: each cam adjusting device (8) comprises a fixed cam (10) fixedly installed on the main shaft (2) and an adjusting cam (11) fixedly installed on the fixed cam through a fastener, and arc length adjustment of a high point and a low point is achieved through the circumferential position of the adjusting cam (11) on the fixed cam (10), so that control over air suction and air discharge positions is achieved.

4. The paper bag machine bottom opening roller air suction device according to claim 3, characterized in that: swing arm drive arrangement (7) are used for pressing gyro wheel (13) on fixed cam (10) and adjusting cam (11) surface and top pressure subassembly (14) that are used for pressing on valve core subassembly side end face that the one end of swing arm is passed through gyro wheel axle installation including swing arm (12), the one end of swing arm that articulate on gas distribution seat (9) is installed, the other one end installation of swing arm, the other one end of valve core subassembly supports through pressure regulating subassembly (15) of installing on gas distribution seat (9) and presses.

5. Paper bag machine bottom opening roller air suction device according to claim 4, characterized in that: two limiting sleeves (16) at the opening end of each air distribution hole are arranged at two ends of the air distribution seat (9), and the pressure regulating assembly (15) comprises a support arranged on the limiting sleeves (16) and a screw (18) which is screwed on the support and used for abutting against the pressure valve core assembly and is locked and fixed through a nut (17).

6. The paper bag machine bottom opening roller air suction device according to claim 5, characterized in that: the valve core assembly comprises a valve rod (19), a valve block (20) arranged on the valve rod and positioned in the air distribution hole, and two arrangement cavities provided with springs (21) and balls (22) and arranged at the end parts of the valve rod, and an air inlet channel (23) communicated with the air distribution hole is further arranged on the air distribution seat (9).

7. The paper bag machine bottom opening roller air suction device according to claim 6, characterized in that: an air inlet seat (24) is installed on the air distribution seat (9), pipe joints (25) which are respectively communicated with the two air distribution holes through air inlet channels (23) are installed on the air inlet seat (24), and the pipe joints (25) are connected with an external air pump through pipelines to provide required air sources.

8. The paper bag machine bottom opening roller suction device according to claim 7, characterized in that: and one of the limiting sleeves in each air distribution hole is provided with an air release hole.