CN217373689U

CN217373689U - Adjustable tensioning device for bag making machine and bag making machine

Info

Publication number: CN217373689U
Application number: CN202220306147.3U
Authority: CN
Inventors: 张俊峰; 邹炯勋
Original assignee: Guangzhou Supersonic Automation Technology Co Ltd
Current assignee: Supersonic Artificial Intelligence Technology Co ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-09-06
Anticipated expiration: 2032-02-15

Abstract

The utility model discloses an adjustable tensioning device for a bag making machine, which comprises a frame, a tensioning roller and at least one balancing weight; the tensioning roller is rotatably arranged on the frame and can move downwards under the self weight of the tensioning roller; the tensioning roller is used for the external packaging belt to pass through from the lower part; each balancing weight can detachably install respectively on the tensioning roller. The utility model discloses a set up the balancing weight and can be at its dead weight downstream tensioning roller, externally the packing belt is around out from the tensioning roller below, and the tensioning roller realizes the tensioning packing belt through pushing down the packing belt, at this moment, through loading the balancing weight on the tensioning roller or pulling down the balancing weight from the tensioning roller, can change the pressure that acts on the material area through the tensioning roller to adjustable tensile force avoids taking place the condition that the packing belt tensioning is not enough or excessive tensioning then. The utility model also discloses a system bag machine.

Description

Adjustable tensioning device for bag making machine and bag making machine

Technical Field

The utility model relates to a system bag machine field especially relates to an adjustable overspeed device tensioner and system bag machine that system bag machine was used.

Background

The bag making machine is a machine for making various plastic packaging bags or packaging bags made of other materials, and the processing range of the bag making machine is various plastic packaging bags or packaging bags made of other materials with different sizes, thicknesses and specifications.

At present, a packaging belt of a bag making machine needs to be tensioned during use so as to be beneficial to subsequent operation, tensioning is conventionally realized by a tensioning roller, however, the existing tensioning force is not adjustable, and the situation that the packaging belt is under-tensioned or over-tensioned is easy to occur.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an adjustable tensioning device and a paper bag machine for a bag making machine, which can adjust the tensioning force to avoid the situation of insufficient tensioning or excessive tensioning of a packaging belt.

The purpose of the utility model is realized by adopting the following technical scheme:

an adjustable tensioning device for a bag machine, comprising:

a frame;

the tensioning roller is rotatably arranged on the frame and can move downwards under the self weight of the tensioning roller; the tensioning roller is used for the outer packaging belt to pass through from the lower part;

at least one balancing weight; each the balancing weight can detachably install respectively on the tensioning roller.

Further, the device also comprises a mounting seat; the tensioning roller is installed on the rack through the installation seat; the mounting seat is arranged on the rack in a way of moving up and down; the tensioning roller is rotatably arranged on the mounting seat.

Further, the device also comprises a locking screw; the balancing weight can be detachably disposed on the tension roller by the locking screw.

Further, the weight includes a first block and a second block separated from each other; the locking screw is used for connecting the first block and the second block, so that the first block and the second block can be matched to hold the tensioning roller tightly.

Further, still include guide structure, the tensioning roller passes through guide structure installs on the frame, just guide structure still is used for right the tensioning roller motion is guided.

Further, the guide structure comprises any two of a guide rail, a guide groove and a guide wheel; any two of the guide structures are movably matched, one of the two is arranged on the tensioning roller, and the other one is arranged on the frame.

Further, the tensioning device also comprises a limiting structure used for limiting the movement stroke of the tensioning roller.

Further, limit structure is including all setting up two stopper in the frame, two the stopper interval is arranged in the upper and lower both sides of tensioning roller to be used for respectively with the tensioning roller offsets.

Further, the device also comprises a material roller and a tensioning sleeve sleeved outside the material roller; the material roller is rotatably arranged on the rack and is used for winding an external packaging belt; the tensioning roller is used for being wound by the outer packaging bag pulled out from the material roller; the tensioning sleeve can be operated to contract to reduce the outer diameter, and has elasticity so as to be capable of automatically restoring; the tensioning sleeve can tension the packaging belt which is externally coiled when being restored.

a bag making machine comprises the adjustable tensioning device for the bag making machine.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses an adjustable tensioning device that system bag machine was used is through setting up the balancing weight and can be at its dead weight downstream tensioning roller, when externally packing the area and winding around from the tensioning roller below, the tensioning roller realizes the tensioning packing area through pushing down the packing area, at this moment, through loading the balancing weight on the tensioning roller or pulling down the balancing weight from the tensioning roller, can change the pressure that acts on the material area through the tensioning roller, thereby adjustable tensile force avoids taking place the condition of packing area tensioning not enough or excessive tensioning then.

The utility model discloses a bag making machine is owing to including foretell adjustable overspeed device tensioner that bag making machine was used, and adjustable tensile force avoids taking place the condition of the not enough or excessive tensioning of strap tensioning then.

Drawings

FIG. 1 is a view showing a state of use of an adjustable tensioner for a bag machine according to the present invention;

fig. 2 is a schematic structural view of the adjustable tensioning device for the bag making machine of the present invention.

In the figure: 10. a frame; 20. a material roller; 30. a tension roller; 40. a balancing weight; 41. a first block; 42. a second block; 50. a mounting seat; 60. a guide structure; 70. a limiting structure; 71. a limiting block; 80. a tensioning sleeve; 90. a material belt.

Detailed Description

Referring to fig. 1 to 2, the present invention discloses an adjustable tensioning device for a bag making machine, which comprises a frame 10, a tensioning roller 30 and at least one balancing weight 40; the tension roller 30 is rotatably provided on the frame 10 and can move downward under its own weight; the tension roller 30 is used for the outer packaging belt to pass through from the lower part; each of the counter weights 40 is detachably mountable on the tension roller 30; like this, when the outside packing area was walked around from tensioning roller 30 below, tensioning roller 30 realized the tensioning packing area through pushing down the packing area, and at this moment, through loading up balancing weight 40 or detaching balancing weight 40 from tensioning roller 30 on tensioning roller 30, can change the pressure that acts on material area 90 through tensioning roller 30 to adjustable tensile force avoids then to take place the condition of packing area tensioning not enough or excessive tensioning.

The present embodiment further includes a mount 50; the tension roller 30 is mounted on the frame 10 through the mounting seat 50; the mounting seat 50 is arranged on the frame 10 in a way of moving up and down; the tensioning roller 30 is rotatably arranged on the mounting seat 50, and the mounting seat 50 is arranged to cooperate with the tensioning roller 30 to realize the rotatable and up-and-down movement arrangement, so that the mounting difficulty is simplified.

In order to facilitate disassembly and assembly, the present embodiment further comprises a locking screw; the weight 40 can be detachably provided on the tension roller 30 by the locking screw.

In other embodiments, the locking screw may connect the weight 40 directly to the tension roller 30 by: the first method is as follows: the rod part of the locking screw penetrates through one of the balancing weight 40 and the tensioning roller 30, and the screw hole on the other one is in threaded connection; the second method comprises the following steps: the rod part of the locking screw penetrates through the balancing weight 40 and the tensioning roller 30 and is in threaded connection with the locking nut; however, the above-mentioned methods require machining of the tension roller 30, and the locking screw will cause much wear to the tension roller 30 when it is detached.

In the present embodiment, the counterweight 40 includes a first block 41 and a second block 42 separated from each other; the locking screw is used for connecting the first block body 41 and the second block body 42, so that the first block body 41 and the second block body 42 can be matched with each other to tightly hold the tension roller 30, therefore, the tension roller 30 does not need to be processed, and the tension roller 30 is prevented from being worn by the locking screw.

The above-mentioned locking screw can connect the first block 41 and the second block 42 in the following way: the first method is as follows: the shaft of the locking screw passes through one of the first block 41 and the second block 42 and is screwed with the screw hole on the other one; the second method comprises the following steps: the shaft of the locking screw passes through the first block 41 and the second block 42 and is threadedly engaged with the locking nut.

The embodiment further includes a guiding structure 60, the tension roller 30 is mounted on the frame 10 through the guiding structure 60, and the guiding structure 60 is further used for guiding the movement of the tension roller 30 so as to straighten the movement stability of the tension roller 30.

The guide structure 60 of the present embodiment includes any two of a guide rail, a guide groove, and a guide wheel; any two of the guide structures 60 are movably matched, one of the two is arranged on the tension roller 30, and the other is arranged on the frame 10; for example, the guide structure 60 includes a rail and a channel that are movably engaged, in which case the rail and the channel may be movably engaged by a movable engagement.

In order to prevent the tension roller 30 from moving away from the frame 10, the embodiment further includes a limiting structure 70 for limiting the movement stroke of the tension roller 30.

Specifically, limit structure 70 is including all setting up two stopper 71 in the frame 10, two stopper 71 interval branch is arranged in the upper and lower both sides of tensioning roller 30 to be used for respectively with tensioning roller 30 offsets simple structure.

The embodiment also comprises a material roller 20 and a tension sleeve 80 sleeved outside the material roller 20; the material roller 20 is rotatably arranged on the frame 10 and is used for winding an external packaging belt; the tension roller 30 is used for being wound by the outer packaging bag pulled out from the material roller 20; the tensioning sleeve 80 is operable to be contracted to reduce the outer diameter, and the tensioning sleeve 80 is also elastic to be automatically restored; the tensioning sleeve 80 can tension the externally coiled packaging belt when being restored; thus, when the coiled packaging tape is used, the tensioning sleeve 80 can be operated to contract to reduce the outer diameter, the coiled packaging tape is sleeved outside the tensioning sleeve 80, then the tensioning sleeve 80 is released, and the tensioning sleeve 80 automatically restores and tensions the coiled packaging tape, so that the coiled packaging tape is fixed.

The tension sleeve 80 may be an elastic shaft, or the tension sleeve 80 may include a plurality of tension blocks circumferentially arranged and separated from each other and a spring for making the tension blocks move in a reverse direction away from the center.

The embodiment also discloses a bag making machine, which comprises the adjustable tensioning device for the bag making machine and has the same technical effect as the adjustable tensioning device for the bag making machine.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. An adjustable tensioning device for a bag machine, comprising:

a frame (10);

a tension roller (30) rotatably provided on the frame (10) and movable downward under its own weight; the tension roller (30) is used for the external packaging belt to pass through from the lower part;

at least one weight (40); the balancing weights (40) can be detachably mounted on the tensioning roller (30).

2. The adjustable tensioning device for a bag machine of claim 1 further comprising a mounting base (50); the tensioning roller (30) is mounted on the frame (10) through the mounting seat (50); the mounting seat (50) is arranged on the frame (10) in a way of moving up and down; the tension roller (30) is rotatably provided on the mount (50).

3. The adjustable tensioning device for a bag machine of claim 1 further comprising a locking screw; the weight (40) can be detachably arranged on the tension roller (30) by the locking screw.

4. The adjustable tensioning device for a bag machine of claim 3 wherein said counterweight (40) comprises a first block (41) and a second block (42) that are separate from each other; the locking screw is used for connecting the first block body (41) and the second block body (42) so that the first block body (41) and the second block body (42) can be matched to tightly hold the tensioning roller (30).

5. The adjustable tensioning device for a bag machine of claim 1 further comprising a guide structure (60), said tensioning roller (30) being mounted to said frame (10) by said guide structure (60), and said guide structure (60) further being adapted to guide movement of said tensioning roller (30).

6. The adjustable tensioning device for a bag machine of claim 5, wherein the guide structure (60) comprises any two of a guide rail, a guide channel, and a guide wheel; any two of the guide structures (60) are movably matched, and one of the two is arranged on the tension roller (30) and the other is arranged on the frame (10).

7. The adjustable tensioning device for a bag machine of claim 1 further comprising a stop structure (70) for limiting the travel of said tensioning roller (30).

8. The adjustable tensioning device for a bag machine of claim 7 wherein said stop structure (70) includes two stops (71) each disposed on said frame (10), said stops (71) being spaced apart on upper and lower sides of said tensioning roller (30) and adapted to abut against said tensioning roller (30) respectively.

9. The adjustable tensioning device for a bag machine of claim 1 further comprising a feed roll (20) and a tensioning sleeve (80) disposed about said feed roll (20); the material roller (20) is rotatably arranged on the frame (10) and is used for winding an external packaging tape; the tensioning roller (30) is used for being bypassed by the outer packaging bag pulled out from the material roller (20); the tensioning sleeve (80) is operable to be contracted to reduce the outer diameter, and the tensioning sleeve (80) is elastic to be automatically restored; the tensioning sleeve (80) can tension the packaging belt which is coiled outside when being restored.

10. A bag machine comprising the adjustable tensioning device for a bag machine of any of claims 1-9.