CN211054542U

CN211054542U - Tensioning device of bag making machine

Info

Publication number: CN211054542U
Application number: CN201922033968.5U
Authority: CN
Inventors: 李淑慧; 王云峰; 王理刚
Original assignee: Qingdao Yunfeng Plastic Products Co ltd
Current assignee: Qingdao Yunfeng Plastic Products Co ltd
Priority date: 2019-11-23
Filing date: 2019-11-23
Publication date: 2020-07-21
Anticipated expiration: 2029-11-23

Abstract

The utility model discloses a tensioning device of a bag making machine, which belongs to the technical field of bag making machines and comprises a frame, wherein one end of the frame is a feeding end, the other end of the frame is a discharging end, the top part and the top part of the frame, which are positioned at the feeding end, are rotatably connected with two free rollers, the free rollers are used for guiding a plastic bag, and a tensioning mechanism is arranged between the free rollers and the discharging end of the frame; straining device is including setting up the positioning seat in the frame, and the positioning seat internal rotation is connected with the tensioning frame, and the tensioning frame includes a fixed axle, and the both ends symmetry of fixed axle has set firmly regular triangle's locating plate, the corner fixedly connected with tensioning roller of locating plate, and the common cover in the outside of three tensioning rollers is equipped with tension cloth, and locating plate and fixedly connected with drive tensioning frame pivoted drive assembly are extended to the one end of fixed axle, the utility model has the effect of preventing that the plastic bag is lax or pile up together at the in-process of transmission.

Description

Tensioning device of bag making machine

Technical Field

The utility model belongs to the technical field of the system bag machine technique and specifically relates to a overspeed device tensioner of system bag machine is related to.

Background

The bag making machine is a machine for making various plastic packaging bags or packaging bags made of other materials, 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, and the plastic packaging bags are generally used as main products.

The mode that current system bag machine is mostly cold cutting when cutting the wrapping bag raw materials and handles cuts, because plastics self has certain toughness, the mode that system bag machine transmission wrapping bag is mostly transmission band singleness, and the transmission speed that leads to system bag machine is slow to the phenomenon that piles up appears easily in the in-process that makes the plastic bag transmit on system bag machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a overspeed device tensioner of system bag machine can prevent that the plastic bag is lax or pile together with the plastic bag tensioning in the transmission.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a tensioning device of a bag making machine comprises a rack, wherein one end of the rack is a feeding end, the other end of the rack is a discharging end, two free rollers are rotatably connected to the top of the rack at the feeding end and the top of the rack, the free rollers are used for guiding plastic bags, and a tensioning mechanism is arranged between the free rollers and the discharging end of the rack; the tensioning mechanism is including setting up the positioning seat in the frame, and the positioning seat internal rotation is connected with the tensioning frame, and the tensioning frame includes a fixed axle, and regular triangle's locating plate has set firmly in the both ends symmetry of fixed axle, and the corner department fixedly connected with tensioning roller of locating plate, the common cover in the outside of three tensioning rollers is equipped with the tension cloth, and locating plate and fixedly connected with drive tensioning frame pivoted drive assembly are extended to the one end of fixed axle.

Through adopting above-mentioned scheme, drive assembly drive tensioning frame rotates, and when the tensioning cloth on the tensioning frame and plastic bag butt, the tensioning effect is less, and the tensioning cloth of tensioning roller department when the tensioning frame rotates to level and butt when the plastic bag, and is the biggest to the tensioning effect of plastic bag, rotates through drive tensioning frame and can carry out the tensioning to the plastic bag, prevents that the plastic bag in the transmission is lax or the tensioning.

The utility model discloses further set up to: the driving assembly comprises a worm wheel fixedly arranged at the end part of the fixed shaft, a worm is meshed on the worm wheel, a protective cover is sleeved outside the worm wheel and the worm, the protective cover is fixedly connected to the positioning seat, and the worm extends out of the protective cover and is fixedly connected with a hand-operated wheel.

Through adopting above-mentioned scheme, when adjusting the tensioning frame and acting on the tensioning of plastic bag, rotate hand wheel, can drive the tensioning frame through worm and worm wheel and rotate, adjust the tensioning cloth on the tensioning frame and plastic bag butt, can carry out the tensioning to the plastic bag.

The utility model discloses further set up to: the bottom of the positioning seat is connected with a driving piece for driving the positioning seat to move relative to the plastic bag; the driving piece comprises a supporting plate fixedly arranged in the rack, a screw rod is connected to the supporting plate in a threaded mode, one end of the screw rod is rotatably connected to the bottom of the positioning seat, and the other end of the screw rod extends out of the supporting plate and is fixedly connected with a handle.

Through adopting above-mentioned scheme, when needing to adjust the plastic bag by a wide margin, rotate the handle, can promote the positioning seat and slide at the top of backup pad to can increase substantially to the plastic bag tensioning.

The utility model discloses further set up to: and a limiting plate is fixedly arranged at the bottom of the positioning seat, and a bolt is connected to the limiting plate in a threaded manner.

Through adopting above-mentioned scheme, after the locating seat slided to suitable position, twist the tip of moving bolt to the bolt and support tightly in the lateral wall of backup pad, can be fixed locating seat and backup pad, and then can be fixed with the tensioning frame.

The utility model discloses further set up to: the support plate is located the both sides of screw rod and has seted up T type spout, and the bottom of positioning seat sets firmly to slide and connects the T type slider in T type spout.

Through adopting above-mentioned scheme, when the screw rod promoted the positioning seat and slided at the top of backup pad, T type slider slided in T type spout, can play the guide effect to the positioning seat, makes the positioning seat more stable at the in-process of motion.

The utility model discloses further set up to: the top of the frame, which is positioned on the tensioning frame, is provided with a brush.

Through adopting above-mentioned scheme, the brush is used for destaticizing the plastic bag, when preventing to roll up at last, and the plastic bag firmly attracts between plastic bag and the plastic bag under the electrostatic action, can not neatly accomodate.

The utility model discloses further set up to: the frame sets firmly the locating piece, and the both ends of brush rotate to be connected on the locating piece, and threaded connection has the bolt with brush and locating piece fixed on the locating piece.

By adopting the scheme, when the plastic bag is tensioned, the plastic bag can move relative to the position of the brush, the distance from the brush to the plastic bag can be adjusted by rotating the brush, the brush is enabled to be always abutted against the plastic bag, and the brush is enabled to remove static electricity to the plastic bag.

To sum up, the utility model discloses following beneficial effect has:

1. the tensioning device comprises a rack, a tensioning frame, a driving assembly and a driving assembly, wherein the positioning frame is arranged in the rack, the tensioning frame is connected with the positioning seat in the rack in a rotating mode, the tensioning frame comprises a fixed shaft, regular triangular positioning plates are symmetrically and fixedly arranged at two ends of the fixed shaft, tensioning rollers are fixedly connected to corners of the positioning plates, the outer sides of the three tensioning rollers are sleeved with tensioning cloth together, one end of the fixed shaft extends out of the positioning plates and is fixedly connected with the driving assembly for driving the tensioning frame to rotate, the driving assembly drives the tensioning frame to rotate, when the tensioning cloth on the tensioning frame is abutted against a plastic bag, the tensioning effect is smaller, when the tensioning cloth on the tensioning roller of the tensioning frame rotates to be horizontal and is abutted against the plastic bag, the tensioning effect on the plastic;

2. the bottom of the positioning seat is connected with a driving piece for driving the positioning seat to move relative to the plastic bag, the driving piece comprises a supporting plate fixedly arranged in the rack, a screw rod is connected to the supporting plate in a threaded mode, one end of the screw rod is rotatably connected to the bottom of the positioning seat, the other end of the screw rod extends out of the supporting plate and is fixedly connected with a handle, and when the plastic bag needs to be adjusted greatly, the handle is rotated, so that the positioning seat can be pushed to slide on the top of the supporting plate, and the;

3. the brush is arranged at the top of the tensioning frame on the rack and used for removing static electricity to the plastic bag, so that when the plastic bag is rolled at last, the plastic bag is firmly sucked between the plastic bag and the plastic bag under the action of static electricity and cannot be stored in order.

Drawings

FIG. 1 is an isometric view of an embodiment;

FIG. 2 is a sectional view of the embodiment;

FIG. 3 is an exploded view of the tensioning mechanism;

fig. 4 is a schematic view of the structure of the brush.

In the figure, 1, a frame; 11. a feeding end; 12. a discharge end; 13. a free roll; 2. a tensioning mechanism; 21. positioning seats; 211. a T-shaped slider; 22. a tension frame; 221. a fixed shaft; 222. positioning a plate; 223. a tension roller; 224. tensioning the cloth; 23. a drive assembly; 231. a worm gear; 232. a worm; 233. a protective cover; 234. a hand-operated wheel; 24. a drive member; 241. a screw; 242. a handle; 25. a limiting plate; 26. a support plate; 261. a T-shaped chute; 3. a brush; 31. and (5) positioning the blocks.

Detailed Description

A tensioning device of a bag making machine is disclosed, and referring to fig. 1, the tensioning device comprises a rack 1, one end of the rack 1 is a feeding end 11, the other end of the rack 1 is a discharging end 12, two free rollers 13 are rotatably connected to the top and the top of the rack 1, which are positioned at the feeding end 11, the free rollers 13 are used for guiding plastic bags, and a tensioning mechanism 2 is arranged between the free rollers 13 and the discharging end 12 of the rack 1 on the rack 1; the plastic bags are transferred onto the free rollers 13 of the tensioning mechanism 2, and the tensioning mechanism 2 can tension the plastic bags to prevent the plastic bags from being loosened or stacked together.

Referring to fig. 2 and 3, the tensioning mechanism 2 includes a positioning seat 21 disposed in the frame 1, a tensioning frame 22 is rotatably connected in the positioning seat 21, the tensioning frame 22 includes a fixing shaft 221, positioning plates 222 of regular triangle shape are symmetrically and fixedly disposed at two ends of the fixing shaft 221, tensioning rollers 223 are fixedly connected at corners of the positioning plates 222, tensioning cloth 224 is jointly sleeved on outer sides of the three tensioning rollers 223, and one end of the fixing shaft 221 extends out of the positioning plate 222 and is fixedly connected with a driving assembly 23 for driving the tensioning frame 22 to rotate. The driving assembly 23 drives the tensioning frame 22 to rotate, when the tensioning cloth 224 on the tensioning frame 22 abuts against the plastic bag, the tensioning effect is small, when the tensioning cloth 224 at the tensioning roller 223 of the tensioning frame 22 rotates to be horizontal and abuts against the plastic bag, the tensioning effect on the plastic bag is maximum, and the plastic bag can be tensioned by driving the tensioning frame 22 to rotate.

Referring to fig. 2 and 3, the driving assembly 23 includes a worm wheel 231 fixedly disposed at an end of the fixing shaft 221, a worm 232 is engaged with the worm wheel 231, a protective cover 233 is sleeved outside the worm wheel 231 and the worm 232, the protective cover 233 is fixedly connected to the positioning seat 21, and the worm 232 extends out of the protective cover 233 and is fixedly connected with a hand wheel 234; when the plastic bag is tensioned by the tensioning frame 22, the hand wheel 234 is rotated, so that the tensioning frame 22 can be driven to rotate through the worm 232 and the worm wheel 231, and the tensioning cloth 224 on the tensioning frame 22 is adjusted to be abutted against the plastic bag, so that the plastic bag can be tensioned. The bottom of the positioning seat 21 is connected with a driving part 24 for driving the positioning seat 21 to move relative to the plastic bag, the driving part 24 comprises a supporting plate 26 fixedly arranged in the rack 1, the supporting plate 26 is in threaded connection with a screw 241, one end of the screw 241 is rotatably connected to the bottom of the positioning seat 21, and the other end of the screw 241 extends out of the supporting plate 26 and is fixedly connected with a handle 242; the handle 242 is rotated to push the positioning seat 21 to slide on the top of the supporting plate 26, so that the plastic bag can be tensioned greatly. The bottom of positioning seat 21 sets firmly a limiting plate 25, and threaded connection has the bolt on the limiting plate 25, and after positioning seat 21 slided to suitable position, the tip of screwing the bolt to the bolt supported tightly in the lateral wall of backup pad 26, can be fixed positioning seat 21 and backup pad 26, and then can be fixed tensioning frame 22. The support plate 26 is provided with T-shaped sliding grooves 261 at two sides of the screw 241, and the bottom of the positioning seat 21 is fixedly provided with a T-shaped sliding block 211 connected in the T-shaped sliding grooves 261 in a sliding manner; when the screw 241 pushes the positioning seat 21 to slide on the top of the supporting plate 26, the T-shaped sliding block 211 slides in the T-shaped sliding groove 261, so as to guide the positioning seat 21, and make the positioning seat 21 more stable in the process of movement.

Referring to fig. 2 and 4, the top of the tensioning frame 22 of the frame 1 is provided with the brush 3, and the brush 3 is used for removing static electricity from the plastic bag, so that the plastic bag is prevented from being firmly absorbed by the plastic bag under the action of static electricity and cannot be stored neatly when being wound finally. A positioning block 31 is fixedly arranged in the frame 1, two ends of the brush 3 are rotatably connected to the positioning block 31, and a bolt for fixing the brush 3 and the positioning block 31 is connected to the positioning block 31 in a threaded manner; when the plastic bag is tensioned, the plastic bag moves relative to the position of the brush 3, and the distance between the brush 3 and the plastic bag can be adjusted by rotating the brush 3, so that the brush 3 is always abutted against the plastic bag, and the brush 3 can remove static electricity to the plastic bag.

The use principle is as follows: the plastic bag is conveyed to the free roller 13, the hand-operated wheel 234 is rotated, the tensioning effect of the tensioning frame 22 on the plastic bag can be adjusted, the plastic bag is tensioned in a small range, and when the plastic bag needs to be tensioned greatly, the handle 242 is rotated, so that the positioning seat 21 drives the tensioning frame 22 to slide towards the direction of the free roller 13, and the plastic bag is tensioned greatly.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a overspeed device tensioner of system bag machine, includes frame (1), and the one end of frame (1) is feed end (11), and the other end is discharge end (12), and frame (1) is located the top and the top of feed end (11) and rotates and be connected with two free rollers (13), and free roller (13) are used for leading the plastic bag, its characterized in that:

a tensioning mechanism (2) is arranged between the free roller (13) and the discharge end (12) of the frame (1);

straining device (2) are including setting up positioning seat (21) in frame (1), positioning seat (21) internal rotation is connected with tensioning frame (22), tensioning frame (22) include a fixed axle (221), the both ends symmetry of fixed axle (221) has set firmly regular triangle's locating plate (222), the corner fixedly connected with tensioning roller (223) of locating plate (222), the outside common cover of three tensioning roller (223) is equipped with tension cloth (224), the one end of fixed axle (221) extends locating plate (222) and fixedly connected with drive tensioning frame (22) pivoted drive assembly (23).

2. The tensioning device of a bag machine as claimed in claim 1, wherein: the driving assembly (23) comprises a worm wheel (231) fixedly arranged at the end part of the fixing shaft (221), a worm (232) is meshed on the worm wheel (231), a protective cover (233) is sleeved outside the worm wheel (231) and the worm (232), the protective cover (233) is fixedly connected to the positioning seat (21), and the worm (232) extends out of the protective cover (233) and is fixedly connected with a hand-operated wheel (234).

3. The tensioning device of a bag machine as claimed in claim 1, wherein:

the bottom of the positioning seat (21) is connected with a driving piece (24) for driving the positioning seat (21) to move relative to the plastic bag;

the driving piece (24) comprises a supporting plate (26) fixedly arranged in the rack (1), a screw rod (241) is connected to the supporting plate (26) in a threaded mode, one end of the screw rod (241) is rotatably connected to the bottom of the positioning seat (21), and the other end of the screw rod extends out of the supporting plate (26) and is fixedly connected with a handle (242).

4. The tensioning device of a bag machine as claimed in claim 1, wherein: the bottom of the positioning seat (21) is fixedly provided with a limiting plate (25), and the limiting plate (25) is in threaded connection with a bolt.

5. The tensioning device of a bag machine as claimed in claim 3, wherein: the support plate (26) is positioned on two sides of the screw (241) and provided with T-shaped sliding grooves (261), and the bottom of the positioning seat (21) is fixedly provided with a T-shaped sliding block (211) which is connected in the T-shaped sliding grooves (261) in a sliding mode.

6. The tensioning device of a bag machine as claimed in claim 1, wherein: the top of the frame (1) on the tensioning frame (22) is provided with a brush (3).

7. The tensioning device of a bag machine as claimed in claim 6, wherein: a positioning block (31) is fixedly arranged in the rack (1), two ends of the brush (3) are rotatably connected to the positioning block (31), and a bolt for fixing the brush (3) and the positioning block (31) is connected to the positioning block (31) in a threaded manner.