CN211994420U

CN211994420U - Wrapping bag edge folding device for film system bag machine

Info

Publication number: CN211994420U
Application number: CN202020092139.4U
Authority: CN
Inventors: 李强; 陈荣; 缪强
Original assignee: Shanghai Tongtong Light Industry Machinery Co ltd
Current assignee: Shanghai Tongtong Light Industry Machinery Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-11-24
Anticipated expiration: 2030-01-15

Abstract

The utility model relates to a wrapping bag edge folding device for film system bag machine, it includes the support and sets up in the hem mechanism of support, hem mechanism includes guide wheel one and two folded plates that are parallel to each other, the folded plate is the V form opening in opposite directions of V form and two folded plates along film direction of delivery's cross-section, guide wheel one is located the folded plate along film direction of delivery's lateral part, the partial border of guide wheel one is located between two folded plates, the rotation plane of guide wheel one is the level setting, the lower part of guide wheel one is provided with the regulating part one that is used for adjusting its relative folded plate position. The utility model discloses can adapt to the sack of the different degree of depth hem of production.

Description

Wrapping bag edge folding device for film system bag machine

Technical Field

The utility model belongs to the technical field of the technique of wrapping bag apparatus for producing and specifically relates to a wrapping bag edge folding device for film system bag machine is related to.

Background

Along with the improvement of the living standard of people, people have higher and higher requirements on diet, especially the requirements on fruits are higher, most of the existing fruits contain pesticides, and in order to avoid the pesticides on the fruits in the growth process, the fruits are sleeved with paper bags at the outer layer of the young fruit period. The bag making machine is a process of making flat paper into a three-dimensional fruit bag (a paper bag is basically in a cubic bag cavity after being unfolded) according with the size of fruits, and is convenient for the use of a bagging machine. The existing bag making machine only adopts the process of folding a layer of flat paper into a three-dimensional fruit bag, the protection of the single-layer three-dimensional fruit bag on fruits is not comprehensive, and the requirement of people on the fruit quality can not be met, but the manufacturing process of the double paper bags is completely different from that of the single-layer paper bags, and how to quickly manufacture the double three-dimensional fruit bags is a problem which needs to be solved urgently.

In the prior art, in order to solve the above problems, chinese patent with publication number CN208247611U discloses a three-dimensional fruit bag folding mechanism of a bag making machine, which has the technical essential that: the machine comprises a frame, wherein a conveying device used for conveying a double-layer paperboard forwards is arranged on the frame, a first edge folding device used for forming middle edges of two side faces of a three-dimensional fruit bag is arranged on the frame at intervals along the conveying direction, a second edge folding device used for folding inner-layer paper into a flat tube shape, and a third edge folding device used for folding outer-layer paper into a flat tube shape.

The above prior art solutions have the following drawbacks: according to the technical scheme, the technical scheme can be used for flanging the thin-film plastic bag, but the technical scheme cannot adjust the flanging depth as required when the bag is flanged, so that the production adaptability is relatively poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a wrapping bag edge folding device for film system bag machine, its sack that can adapt to the different degree of depth hems of production.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the folding mechanism comprises a first guide wheel and two parallel folded plates, the sections of the folded plates along the film conveying direction are V-shaped, the V-shaped openings of the two folded plates are opposite, the first guide wheel is positioned on the side portions of the folded plates along the film conveying direction, part of the edge of the first guide wheel is positioned between the two folded plates, the rotating plane of the first guide wheel is horizontally arranged, and a first adjusting piece for adjusting the position of the first guide wheel relative to the folded plates is arranged on the lower portion of the first guide wheel.

By adopting the technical scheme, in the using process, the folded film is covered on the two folded plates, the position of the film between the two folded plates is guided towards the middle parts of the folded plates by the first guide wheel, and when the folding edge depth of the film bag needs to be adjusted, the distance between the first guide wheel and the corresponding folded plate is adjusted by the first adjusting piece, so that the adaptability can be adjusted according to different folding edge depths, and the adaptability is relatively better; meanwhile, the cross section of the folded plate along the film transmission direction is V-shaped, so that the film after one edge folding of the guide wheel can be pressed again under the action of the mutually close edges of the two folded plates, and the using effect is optimized.

The present invention may be further configured in a preferred embodiment as: the first adjusting part comprises a first sliding block connected to the support in a sliding mode and a first adjusting screw rod connected to the first sliding block in a threaded mode, the first guiding wheel is connected to the first sliding block in a rotating mode, the first adjusting screw rod is connected to the support in a threaded mode, and the first adjusting screw rod is perpendicular to the conveying direction of the film.

By adopting the technical scheme, when the distance between the first guide wheel and the folded plate needs to be adjusted to adjust the folding distance of the film bag, only the first adjusting screw rod needs to be rotated to enable the first sliding block to slide along the axial direction of the first adjusting screw rod, so that the first guide wheel is driven to slide towards or away from the folded plate, the distance between the first guide wheel and the folded plate is changed, and the folding depth of the film bag is changed.

The present invention may be further configured in a preferred embodiment as: the support is provided with a first locking piece used for rotating a first adjusting screw rod, the first locking piece comprises a first locking block and a first locking bolt, the first locking block is connected to the support, a first locking opening is formed in the first locking block, the first adjusting screw rod penetrates through the first locking opening, and the first locking bolt penetrates through a side wall of the first locking opening and is in threaded connection with the other side wall of the first locking opening.

Through adopting above-mentioned technical scheme, because an adjusting screw threaded connection is in the support, in the use, there is an adjusting screw possibility of self-rotation, and an adjusting screw wears to locate locking mouth one to make the both sides wall of locking mouth one buckle in opposite directions through locking bolt one, in order to grasp an adjusting screw, thereby make an adjusting screw rotate the locking.

The present invention may be further configured in a preferred embodiment as: the film conveying device is characterized in that the support is provided with a second guide wheel used for assisting in conducting primary guide on a film, part of the edge of the second guide wheel is located between the two folded plates, the second guide wheel and the first guide wheel are arranged along the direction of the film conveying direction, the support is provided with a second adjusting piece used for adjusting the distance between the second guide wheel and the folded plates, and the second adjusting piece are identical in structure and arrangement.

By adopting the technical scheme, the second guide wheel can conduct preliminary guide on the film needing to be flanged so as to reduce the probability that the film is damaged when the film is guided to the flanging depth, and meanwhile, the second adjusting piece can adjust the distance between the second guide wheel and the folded plate so as to be capable of following the first guide wheel to conduct adaptive adjustment on the flanging depth.

The present invention may be further configured in a preferred embodiment as: the support is provided with a second locking piece which is used for rotationally locking a second adjusting screw rod of the second adjusting piece, and the second locking piece and the first locking piece are identical in structure and are arranged identically.

Through adopting above-mentioned technical scheme, rotation locking can be done to adjusting screw two to locking piece two to in reducing the use, adjusting screw two pivoted possibility, with the optimization result of use.

The present invention may be further configured in a preferred embodiment as: the support is rotatably connected with a third adjusting screw rod which is vertically arranged, a first thread and a second thread are arranged on the third adjusting screw rod, the two ends of the first thread and the two ends of the second thread are opposite in rotating direction, and the two folded plates are respectively in threaded connection with the first thread and the second thread.

Through adopting above-mentioned technical scheme, when using, can be according to the width of film, rotatable adjusting screw three, through the opposite screw thread one and screw thread two of adjusting screw three top spin, can make two folded plates respectively in opposite directions or keep away from vertical slippage mutually to can be directed against the film of different width, the interval adjustment of adaptability is done to two folded plates, and adaptability is better relatively.

The present invention may be further configured in a preferred embodiment as: the support is in threaded connection with an adjusting solenoid, and the adjusting screw rod III penetrates through the adjusting solenoid and is rotationally connected with the adjusting solenoid.

Through adopting above-mentioned technical scheme, after using for a long time, the folded plate has the possibility of skew, can make when this is on the side to the film, takes place certain vertical skew, and at this moment, the accessible rotates and adjusts the solenoid and makes adjusting screw three along axial slippage between them to change the high position of two folded plates, thereby correct the offset of folded plate, the result of use is better relatively.

The present invention may be further configured in a preferred embodiment as: the adjusting screw pipe is in threaded connection with a locking nut, and the locking nut can be abutted to or separated from the support.

Through adopting above-mentioned technical scheme, lock nut butt can make adjusting solenoid and leg joint inseparabler relatively when the support to during the messenger uses, the effectual reduction of vibration of adjusting screw three productions, the result of use is better relatively.

To sum up, the utility model discloses a following at least one useful technological effect:

1. in the using process, the folded film is covered on the two folded plates, the part of the film between the two folded plates is guided towards the middle parts of the folded plates through the first guide wheel, when the folding edge depth of the film bag needs to be adjusted, the distance between the first guide wheel and the corresponding folded plate is adjusted through the first adjusting part, so that the adaptability can be adjusted according to different folding edge depths, and the adaptability is relatively better; meanwhile, the cross section of the folded plate along the film transmission direction is V-shaped, so that the film after one edge folding of the guide wheel can be pressed again under the action of the mutually close edges of the two folded plates, and the use effect is optimized;

2. when using, can be according to the width of film, rotatable adjusting screw three, through the opposite screw thread one and screw thread two of direction on adjusting screw three, can make two folded plates respectively in opposite directions or keep away from vertical slip mutually to can be directed against the film of different width, the interval adjustment of adaptability is done to two folded plates, and adaptability is better relatively.

Drawings

Fig. 1 is a schematic diagram of the application structure of the present embodiment.

Fig. 2 is a schematic view of the overall structure of the present embodiment.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2, which is mainly used for showing the structure of the first locking member.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 1, which is mainly used for showing the structure of the adjusting coil.

In the figure, 1, a bracket; 11. a connecting plate; 111. a guide block; 12. mounting a plate; 2. a flanging mechanism; 21. a first guide wheel; 211. a first rotating shaft; 22. folding the plate; 221. a sliding block; 222. a sliding groove; 23. a first adjusting part; 231. a first sliding block; 232. adjusting a first screw rod; 233. a first sliding rod; 234. a first mounting block; 24. a first locking piece; 241. a first locking block; 242. locking the first bolt; 243. a locking opening I; 25. a second guide wheel; 251. a second rotating shaft; 26. a second adjusting part; 261. a second sliding rod; 262. a second mounting block; 27. a second locking piece; 28. adjusting a screw rod III; 281. a first thread; 282. a second thread; 29. adjusting a solenoid; 291. locking the nut; 292. the flange is rotated.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a wrapping bag edge folding device for film system bag machine, including support 1 and the hem mechanism 2 that is used for making the hem to the film, hem mechanism 2 sets up in support 1.

The folding mechanism 2 comprises a first guide wheel 21 and two parallel folding plates 22, the cross section of the folding plate 22 along the film conveying direction is V-shaped, the V-shapes of the two folding plates 22 are opened oppositely, the V-shaped edges of the folding plates 22 are vertical to the film conveying direction, and the folding plates 22 horizontally extend along the direction vertical to the film conveying direction. Part of the edge of the first guide wheel 21 is positioned between the two folding plates 22, the rotating plane of the first guide wheel 21 is horizontally arranged, the first guide wheel 21 is rotatably connected with a first rotating shaft 211 vertical to the first guide wheel, and the lower end of the first rotating shaft 211 is provided with a first adjusting piece 23 used for adjusting the distance between the first rotating shaft 211 and the first guide wheel 21 and the folding plates 22.

The first adjusting part 23 comprises a first sliding block 231 connected to the bracket 1 in a sliding manner and a first adjusting screw 232 connected to the first sliding block 231 in a threaded manner, the first adjusting screw 232 penetrates through the first sliding block 231, and the first adjusting screw 232 is perpendicular to the transmission direction of the film. When the distance between the first guiding wheel 21 and the folded plate 22 is adjusted, only the first adjusting screw 232 needs to be rotated so that the first sliding block 231 slides along the axial direction of the first adjusting screw 232 to drive the first rotating shaft 211 and the first guiding wheel 21 to slide towards the direction far away from or close to the folded plate 22.

The first sliding block 231 is provided with a first sliding rod 233 in a penetrating mode, the first sliding rod 233 is parallel to the first adjusting screw rod 232. Two ends of the first sliding rod 233 are respectively provided with a first mounting block 234, two ends of the first sliding rod 233 are respectively fixedly connected to the first mounting blocks 234 through bolts, and the first mounting blocks 234 are fixedly connected to the bracket 1 through bolts. So that the first guide wheel 21, the first rotating shaft 211 and the first slide block 231 can be detachably connected to the bracket 1, and the sliding of the first slide block 231 can be guided by the two first slide rods 233.

Referring to fig. 2 and 3, one of the mounting blocks 234 is provided with a first locking member 24 for locking the rotation of the first adjusting screw 232.

The first locking piece 24 comprises a first locking block 241 and a first locking bolt 242, the first locking block 241 is made of a material with certain elasticity, the first locking block 241 is fixedly connected to a first mounting block 234 far away from the first guide wheel 21 through the bolt, and the first locking block 241 is connected to the bracket 1 through the first mounting block 234. The first locking block 241 may be made of steel.

The first locking block 241 is provided with a first locking port 243 for clamping the first adjusting screw 232, the first adjusting screw 232 penetrates through the first locking port 243, the first locking bolt 242 is located on one side, facing the opening of the first locking port 243, of the first adjusting screw 232, the end portion of the first locking bolt 242 sequentially penetrates through one side wall of the first locking port 243 and is in threaded connection with the other side wall, and the screw head of the first locking bolt 242 abuts against the first locking block 241. When the first adjusting screw 232 needs to be rotationally locked, only the first locking bolt 242 needs to be rotated, so that the two side walls of the first locking opening 243 are bent towards each other, and the first adjusting screw 232 is clamped tightly.

The bracket 1 is provided with a second guide wheel 25 for assisting in preliminary flanging and guiding the film, part of the edge of the second guide wheel 25 is positioned between the two folded plates 22, and the second guide wheel 25 is positioned on the same side of the folded plates 22 in the film transmission direction.

Fig. 2 and 3 are similar to those of the macro fig. 2, wherein the second guide wheel 25 and the first guide wheel 21 are arranged along the transmission direction of the film, the diameter of the second guide wheel 25 is smaller than that of the first guide wheel 21, and the thickness of the second guide wheel 25 along the central axis thereof is larger than that of the first guide wheel 21. The bracket 1 is provided with a second adjusting piece 26 for adjusting the distance between the second guiding wheel 25 and the folded plate 22, the second guiding wheel 25 is provided with a second rotating shaft 251 which is coaxial with the second guiding wheel 25, and the second guiding wheel 25 is rotatably connected with the second rotating shaft 251.

The second adjusting piece 26 and the first adjusting piece 23 are identical in structure and are arranged in an identical mode, two sliding rods 261 penetrate through the second sliding block of the second adjusting piece 26, and the second sliding rods 261 are parallel to the second adjusting screw rod of the second adjusting piece 26. Two ends of the two sliding rods 261 are respectively provided with a second mounting block 262, two ends of the second sliding rod 261 are respectively fixedly connected to the second mounting blocks 262 through bolts, and the second mounting blocks 262 are fixedly connected to the support 1 through bolts. And the second rotating shaft 251 is fixedly connected with the second sliding block of the second adjusting part 26.

One of the two mounting blocks 262 is provided with a second locking piece 27 for rotationally locking the second adjusting screw rod of the second adjusting piece 26, and the second locking piece 27 and the first locking piece 24 have the same structure and are arranged on one mounting block 262 in the same way.

Referring to fig. 1 and 4, the bracket 1 is fixedly connected with a connecting plate 11 which is vertically arranged, the connecting plate 11 is positioned on one side of the folded plate 22 away from the first guide wheel 21, and the upper end edge of the connecting plate 11 is bent towards the folded plate 22 to form a mounting plate 12.

The mounting plate 12 is penetrated and is threaded connection with a third adjusting screw 28, the third adjusting screw 28 is vertically arranged, and the third adjusting screw 28 is threaded connection with the support 1 through the mounting plate 12 and the connecting plate 11.

The two folding plates 22 are fixedly connected with sliding blocks 221 respectively towards one side edge of the connecting plate 11, and the two sliding blocks 221 horizontally extend towards the direction away from each other respectively. The sliding blocks 221 are provided with vertically extending sliding grooves 222 (not shown) towards one side of the connecting plate 11, and the sliding grooves 222 on the two sliding blocks 221 are located at different positions respectively. The connecting plate 11 is fixedly connected with two vertically extending guide blocks 111, and the two guide blocks 111 are respectively clamped in different sliding grooves 222. For guiding the vertical sliding of the flap 22 and the sliding block 221, and can play a role of balancing. Wherein the sliding slot 222 is a dovetail slot.

The adjusting screw rod three 28 is provided with a first thread 281 and a second thread 282 with opposite rotation directions, the adjusting screw rod three 28 penetrates through the two sliding blocks 221, and the two sliding blocks 221 are respectively in threaded connection with the first thread 281 and the second thread 282 so as to enable the two folded plates 22 to vertically slide in an opposite direction or in an opposite direction when the adjusting screw rod three 28 is rotated.

The third adjusting screw 28 is rotatably connected with an adjusting solenoid 29 which is the same as the central axis, the adjusting solenoid 29 is vertically arranged and penetrates through the mounting plate 12, and the outer wall of the adjusting solenoid 29 is in threaded connection with the mounting plate 12 to adjust the height position of the third adjusting screw 28 and adjust the height position of the two folded plates 22.

The upper end edge of the adjusting screw 29 is turned outward to form a rotating flange 292 for assisting in rotating the adjusting screw 29.

Adjusting solenoid 29 threaded connection has rather than lock nut 291 with the central axis, and lock nut 291 butt is in the last face of mounting panel 12 to during making the use, can make adjusting screw three 28 be connected inseparabler relatively with mounting panel 12, when reducing the use, the vibration that adjusting screw three 28 produced optimizes the result of use.

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 wrapping bag edge folding device for film system bag machine, includes support (1) and sets up in hem mechanism (2) of support (1), its characterized in that: the folding mechanism (2) comprises a first guide wheel (21) and two parallel folded plates (22), the sections of the folded plates (22) along the film conveying direction are V-shaped, the V-shaped folded plates (22) are opened oppositely, the first guide wheel (21) is located on the side portions of the folded plates (22) along the film conveying direction, part of the edge of the first guide wheel (21) is located between the two folded plates (22), the rotating plane of the first guide wheel (21) is horizontally arranged, and a first adjusting piece (23) used for adjusting the position of the first guide wheel (21) relative to the folded plates (22) is arranged on the lower portion of the first guide wheel (21).

2. The apparatus of claim 1 for folding an edge of a bag for a film machine, comprising: the first adjusting part (23) comprises a first sliding block (231) connected to the support (1) in a sliding mode and a first adjusting screw rod (232) connected to the first sliding block (231) in a threaded mode, the first guiding wheel (21) is connected to the first sliding block (231) in a rotating mode, the first adjusting screw rod (232) is connected to the support (1) in a threaded mode, and the first adjusting screw rod (232) is perpendicular to the conveying direction of the thin film.

3. The apparatus of claim 2 for folding an edge of a bag for a film bag machine, wherein: support (1) is provided with and is used for doing the locking piece (24) that rotates the locking to adjusting screw one (232), locking piece (24) is including connecting in locking piece (241) and locking bolt (242) of support (1), locking mouth (243) have been seted up to locking piece (241), locking mouth (243) are worn to locate in adjusting screw one (232), a lateral wall and the threaded connection in another lateral wall of locking mouth (243) are worn to locate in locking bolt (242) locking mouth (243).

4. The apparatus of claim 3 for folding an edge of a bag in a film machine, wherein: the film conveying device is characterized in that the support (1) is provided with a second guide wheel (25) used for assisting in conducting primary guide on a film, part of the edge of the second guide wheel (25) is located between the two folded plates (22), the second guide wheel (25) and the first guide wheel (21) are arranged along the direction of the film conveying direction, the support (1) is provided with a second adjusting piece (26) used for adjusting the distance between the second guide wheel (25) and the folded plates (22), and the second adjusting piece (26) and the first adjusting piece (23) are identical in structure and arrangement.

5. The apparatus of claim 4 for folding an edge of a bag in a film machine, wherein: the bracket (1) is provided with a second locking piece (27) which is used for rotationally locking a second adjusting screw rod of the second adjusting piece (26), and the second locking piece (27) and the first locking piece (24) are identical in structure and are arranged identically.

6. The apparatus of claim 1 for folding an edge of a bag for a film machine, comprising: the support (1) is rotatably connected with a third adjusting screw (28) which is vertically arranged, a first thread (281) and a second thread (282) with opposite rotation directions of two ends are arranged on the third adjusting screw (28), and the two folded plates (22) are respectively in threaded connection with the first thread (281) and the second thread (282).

7. The apparatus of claim 6 for folding an edge of a bag in a film machine, wherein: support (1) threaded connection has regulation solenoid (29), adjusting screw three (28) wear to locate regulation solenoid (29) and both rotate to be connected.

8. The apparatus of claim 7 for folding an edge of a bag in a film machine, wherein: the adjusting solenoid (29) is in threaded connection with a locking nut (291), and the locking nut (291) can abut against or be separated from the bracket (1).