CN213167131U

CN213167131U - Feeding mechanism of bag making machine

Info

Publication number: CN213167131U
Application number: CN202021546250.2U
Authority: CN
Inventors: 吴雷; 吴云
Original assignee: Zhejiang Bangtai Machine Co ltd
Current assignee: Zhejiang Bangtai Machine Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-05-11
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses a feeding mechanism of system bag machine, including conveyor and auxiliary device, its characterized in that feeding mechanism is still including the adjusting device who is used for adjusting film transport stroke, adjusting device, conveyor and auxiliary device set gradually along film direction of delivery, conveyor is including the conveying roller, the conveying roller is connected with drive power, auxiliary device is including the feed roll, the feed roll sets up in the place ahead of conveying roller, just be provided with between feed roll and the conveying roller and hold in the palm membrane spare. The utility model discloses a stroke of adjusting device adjustment film to adjust the position that the film cut, realize the high accuracy and adjust, improve and cut the precision.

Description

Feeding mechanism of bag making machine

Technical Field

The utility model relates to an improvement invention of a bag making machine, in particular to a feeding mechanism of the bag making machine.

Background

The film bag is processed by adopting a roll material, the roll material is subjected to intermittent heat sealing by a transverse sealing mechanism, then the roll material is conveyed to a cutting station by a roll material feeding mechanism and is cut into unit film bags by a cutter, the cutting position of the cutter can influence the capacity of the film bag, the closer the cutting position is to a hot edge sealing, the larger the capacity of the film bag is, and otherwise, the smaller the capacity of the film bag is; the cutting position of the film bag is controlled by the cutting frequency and the feeding speed of a conveying roller of the conventional bag making machine, but the cutting machine can only carry out coarse adjustment, has low precision and cannot meet the requirement of high precision.

Disclosure of Invention

In view of the technical problem that the background art exists, the utility model aims to solve the technical problem that an adjust supplementary feeding mechanism of bag machine that the stroke was carried to the film is provided, improves cutting accuracy.

In order to solve the technical problem, the utility model discloses an adopt following technical scheme to realize: the feeding mechanism of the bag making machine comprises a conveying device and an auxiliary device, and is characterized in that the feeding mechanism further comprises an adjusting device used for adjusting the conveying stroke of a film, the adjusting device, the conveying device and the auxiliary device are sequentially arranged along the conveying direction of the film, the conveying device comprises conveying rollers, the conveying rollers are connected with driving power, the auxiliary device comprises a feeding roller, the feeding roller is arranged in front of the conveying rollers, and a film supporting piece is arranged between the feeding roller and the conveying rollers.

Adjusting device is including the guide bar of deflector roll, vertical setting and drive the drive assembly that the deflector roll goes up and down on the guide bar, install on the deflector roll seat at the both ends of deflector roll, the both ends cover of deflector roll seat is established on the guide bar.

The transmission assembly comprises a screw and a power source for driving the screw to rotate, and the guide roller seat is provided with a screw hole matched with the screw.

The power source comprises a rotating shaft, a first bevel gear is mounted on the rotating shaft, and a second bevel gear meshed with the first bevel gear is mounted at the lower end of the screw rod.

The film supporting piece comprises a plurality of springs, one ends of the springs are connected with the feeding roller, and the other ends of the springs are connected with the conveying roller.

The feeding roller comprises an upper roller and a lower roller and is characterized in that the upper roller is connected with a swinging component which drives the upper roller to swing up and down, the upper roller and the lower roller are meshed during feeding, and the upper roller swings upwards and is separated from the lower roller during cutting.

The swing part comprises a swing arm and a connecting rod assembly for driving the swing arm to swing up and down, the swing arm is hinged to the rack, the upper roller is connected with one end of the swing arm, and the other end of the swing arm is connected with the connecting rod assembly.

The connecting rod assembly comprises a swing rod, a second swing arm, a third swing arm and a connecting rod, one end of the swing rod is connected with the swing arm, the other end of the swing rod is connected with the second swing arm, the third swing arm and the second swing arm are both installed on the second rotating shaft, the third swing arm is hinged to one end of the connecting rod, and the other end of the connecting rod is connected with the cam.

The utility model discloses a stroke of adjusting device adjustment film to adjust the position that the film cut, realize the high accuracy and adjust, improve and cut the precision.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a schematic structural diagram of the conveying device and the auxiliary device of the present invention.

Fig. 4 is a schematic structural diagram of the film of the present invention.

Detailed Description

The working principle and the related details of the utility model are further described with reference to the accompanying drawings, the adjusting device 20, the conveying device 17 and the auxiliary device 16 are sequentially arranged along the film conveying direction, the conveying device comprises the conveying roller 7, the auxiliary device comprises the feeding roller, the conveying roller 7 is connected with the driving power, namely, the conveying roller 7 is in active conveying, the feeding roller is in passive conveying, a film supporting part is arranged between the feeding roller and the conveying roller 7, the film supporting part is arranged to prevent the cut film from falling between the conveying roller and the feeding roller to influence the conveying of the film, the film supporting part comprises a plurality of springs, one ends of the springs are connected with the feeding roller, the other ends of the springs are connected with the conveying roller, and the springs are convenient to install and disassemble and adjust; adjusting device 20 is including the guide bar 21 and the drive assembly that drives the guide roller and go up and down on the guide bar of guide roller 23, vertical setting, the film is walked around behind guide roller 23 and is carried by conveying roller 7, install on guide roller seat 24 at the both ends of guide roller 23, the both ends cover of guide roller seat 24 is established on guide bar 21, drive assembly is including screw rod 22 and drive screw rod power of rotation, screw rod 22 is installed in the frame, set up on guide roller seat 24 with screw rod assorted screw, the power supply is including pivot 25, install bevel gear 27 in the pivot, the lower extreme of screw rod is installed with a bevel gear meshing bevel gear two 26, pivot 25 rotates and can adopt artifical the rotation, also can drive its rotation through the motor, and pivot 25 rotates, drives bevel gear two 26 through bevel gear 27 and rotates for screw rod 22 rotates, the screw 22 enables the guide roller seat 24 to lift along the screw, thereby realizing the lifting of the guide roller 23; the guide roller 23 moves upwards to increase the film conveying stroke, otherwise, the guide roller 23 moves downwards to shorten the film conveying stroke, and referring to fig. 4, the closer the film cutting position 8 is to the heat sealing line 9, the lower the guide roller 23 moves downwards to shorten the film conveying stroke, so that the micro-distance adjustment is realized, and the cutting precision is improved.

The feeding roller comprises an upper roller 3 and a lower roller 2, the upper roller 3 is connected with a swinging component which drives the upper roller 3 to swing up and down, the upper roller 3 and the lower roller 2 are occluded during feeding, and the upper roller 3 swings upwards and is separated from the lower roller 2 during cutting; the swing component comprises a swing arm 4 and a connecting rod assembly for driving the swing arm to swing up and down, the swing arm 4 is hinged on the rack, the upper roller 3 is connected with one end of the swing arm 4, and the other end of the swing arm 4 is connected with the connecting rod assembly; the connecting rod assembly comprises a swing rod 6, a swing arm II 13, a swing arm III 11 and a connecting rod 14, one end of the swing rod 6 is connected with the swing arm 4, the other end of the swing rod 6 is connected with the swing arm II 13, the swing arm III 11 and the swing arm II 13 are both installed on a rotating shaft II 10, the swing arm III 11 is hinged with one end of the connecting rod 14, the other end of the connecting rod 14 is connected with a cam 15, namely the cam 15 rotates, the swing arm III 11 is driven by the connecting rod 14 to swing, the rotating shaft II 10 is driven to rotate, the swing arm II 13 on the rotating shaft II swings, the swing arm II 13 drives the swing rod 6 to swing, the swing rod 6 drives the swing arm 4 to swing; the upper end of swing arm 4 sets and prevents the excessive wobbling stopper 5 of swing arm, 6 lower extremes of pendulum rod are connected with a reset spring 12, reset spring 12 installs in the frame, reset spring 12 stimulates pendulum rod 6 when going up roller 3 and moves down, and the pendulum rod drives and goes up the roller and move down, stopper 5 set up then avoid going up roller 3 and move down when colliding with lower roll 2, make and go up roller 3 and lower roll 2 just interlock.

The coil material bypasses the guide roller 23 and is dragged to be conveyed forwards by the conveying roller 7, and a user adjusts the position of the guide roller 23 on the guide rod 21 according to requirements to enable the cutting position 8 to meet the set requirements; the conveying roller 7 pulls the coil forward, the coil passes through the feeding roller, during feeding, the cam 15 drives the connecting rod 14, the connecting rod pulls the third swing arm 11 to swing backward, the third swing arm drives the rotating shaft 10 to rotate anticlockwise, the rotating shaft drives the second swing arm 13 to swing, the second swing arm drives the swing rod 6 to swing forward, the swing rod drives the swing arm 4 to swing downward, the upper roller 3 on the swing arm moves downward to be meshed with the lower roller 2 to feed the coil in an auxiliary mode, the coil smoothly enters the cutting station 1, when the coil is cut, the cam 15 drives the connecting rod 14 to extend out to drive the rotating shaft 10 to rotate clockwise, the upper roller 3 on the swing arm 4 is finally driven to move upward, the upper roller 3 is separated from the lower roller 2, the coil is flatly laid on the lower roller 2 and the film supporting part, the coil is in a flat state, the cutting quality is guaranteed, and the bag.

Claims

1. The utility model provides a feeding mechanism of system bag machine, is including conveyor (17) and auxiliary device (16), its characterized in that feeding mechanism is still including adjusting device (20) that are used for adjusting film transport stroke, adjusting device, conveyor and auxiliary device set gradually along film direction of delivery, conveyor is including conveying roller (7), the conveying roller is connected with drive power, auxiliary device is including the feed roll, be provided with between feed roll and the conveying roller and hold in the palm membrane spare.

2. The feeding mechanism of bag making machine as claimed in claim 1, wherein said adjusting device comprises a guide roller (23), a vertically disposed guide rod (21), and a transmission assembly for driving the guide roller to move up and down on the guide rod, two ends of the guide roller are mounted on a guide roller seat (24), and two ends of the guide roller seat are sleeved on the guide rod.

3. The feeding mechanism of bag machine as claimed in claim 2, wherein the transmission assembly comprises a screw (22) and a power source for driving the screw to rotate, and the guide roller seat is provided with a screw hole matched with the screw.

4. The feeding mechanism of bag making machine as claimed in claim 3, wherein said power source comprises a rotating shaft (25), a first bevel gear (26) is mounted on said rotating shaft, and a second bevel gear (27) engaged with said first bevel gear is mounted at the lower end of said screw.

5. The feeding mechanism of bag machine as claimed in claim 1, wherein said film supporting member comprises a plurality of springs, one end of said springs is connected to said feeding roller, and the other end of said springs is connected to said feeding roller.

6. The feeding mechanism of bag machine as claimed in claim 1, wherein said feeding roller comprises an upper roller (3) and a lower roller (2), said upper roller being connected to a swing member for swinging up and down, said upper roller and said lower roller being engaged in feeding, and said upper roller being swung up and separated from said lower roller in cutting.

7. The feeding mechanism of bag making machine according to claim 6, wherein said swing member comprises a swing arm (4) and a link assembly for driving the swing arm to swing up and down, said swing arm is hinged to the frame, said upper roller is connected to one end of the swing arm, and the other end of the swing arm is connected to the link assembly.

8. The feeding mechanism of a bag machine according to claim 7, wherein the connecting rod assembly comprises a swing rod (6), a second swing arm (13), a third swing arm (11) and a connecting rod (14), one end of the swing rod is connected with the swing arm, the other end of the swing rod is connected with the second swing arm, the third swing arm and the second swing arm are both mounted on the second rotating shaft (10), the third swing arm is hinged to one end of the connecting rod, and the other end of the connecting rod is connected with the cam (15).