CN220925795U - Coiled material discharging frame for bag making machine - Google Patents

Abstract

The utility model discloses a coiled material discharging frame for a bag making machine, which comprises a frame, a discharging unit, a first tension adjusting unit, a first traction unit and a first buffer unit, wherein the discharging unit, the first tension adjusting unit, the first traction unit and the first buffer unit are sequentially arranged on the frame, a first guide roller is arranged between the discharging unit and the first tension adjusting unit, the frame comprises two side plates which are vertically arranged, the outer ends of the side plates are respectively provided with a supporting platform for installing coiled materials, the discharging unit comprises a first air expansion shaft which is dismounted on the supporting platform and a first brake which is connected with one end of the first air expansion shaft through a gear set, a first limiting device is arranged between the two side plates, the first limiting device comprises a cross beam which is parallel to the first air expansion shaft and a limiting roller which is respectively slid on the cross beam, and the length of the limiting roller is smaller than the distance from the cross beam to the first air expansion shaft. The utility model has simple structure, improves the material changing efficiency by utilizing the position of the coiled material limited by the limiting roller, and realizes the stable transition of continuous material discharging of the material discharging unit and intermittent material discharging at the rear end of the material discharging unit by the buffer unit.

Description

Coiled material discharging frame for bag making machine

Technical Field

The utility model relates to the technical field of bag making machines, in particular to a coiled material discharging frame for a bag making machine.

Background

The bag making machine is a device for making various plastic packaging bags, and along with the development of society, the plastic packaging bags become an indispensable product in the life of people and are made of plastic films; the film material is coiled on the air expansion shaft, and is reloaded together with the air expansion shaft, and the positioning of the film material is realized through the axial positioning of the air expansion shaft, but the axial position of the film material on the air expansion shaft is not accurate, the deviation is easy to occur, and the product percent of pass is reduced; in addition, the discharging device is mainly used for continuously discharging, and stations such as subsequent hot sealing are used for intermittently feeding, so that the film material is in a repeated tensioning and loosening state, and the performance of the film material is affected. Accordingly, improvements are needed.

Disclosure of utility model

The utility model aims to provide a coiled material discharging frame for a bag making machine, which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a coiled material blowing frame for bag making machine, includes the frame, sets gradually in blowing unit, first tension adjustment unit, first traction element and the first buffer unit of frame, be provided with first guide roll between blowing unit, the first tension adjustment unit, the frame includes two vertical curb plates that set up, and its outer end is provided with the supporting platform who is used for installing the coiled material respectively, blowing unit includes dismouting in supporting platform's first air inflation axle and connects in the first stopper of first air inflation axle one end through the gear train, two be provided with first stop device between the curb plate, first stop device includes the crossbeam that is on a parallel with first air inflation axle and slides respectively in the limiting roll of crossbeam, limiting roll's length is less than the distance of crossbeam to first air inflation axle.

Further, in the coiled material discharging frame for the bag making machine, waist-shaped holes corresponding to the limiting rollers are formed in the cross beam along the length of the cross beam, and waist-shaped holes are formed in one end of each limiting roller through a butterfly nut.

Further, in the coiled material discharging frame for the bag making machine, the limiting roller comprises a mounting shaft with one end connected to the butterfly bolt and a rubber roller rotatably arranged on the mounting shaft, the mounting shaft comprises a connecting stud, a sliding part, a limiting part and a long shaft arranged correspondingly to the rubber roller, the sliding part is provided with a plane which is slidably propped against the inner wall of the kidney-shaped hole, the length of the sliding part is smaller than the depth of the kidney-shaped hole, the rubber roller is of a hollow tubular structure, and two ends of the inner wall of the rubber roller are respectively connected to the long shaft through bearings in a rotating manner.

Further, in the coiled material discharging frame for the bag making machine, the first tension adjusting unit comprises a plurality of first reversing rollers rotatably arranged in the frame and a first adjusting frame swinging in the frame, one end of the first adjusting frame is rotatably connected to the frame through a first rotating shaft, first swinging cylinders hinged to the corresponding first adjusting frames are respectively arranged on the inner walls of the side plates, and the first adjusting rollers are rotatably arranged in the first adjusting frames.

Further, in the coiled material discharging frame for the bag making machine, an encoder is arranged at the top end of the first reversing roller, mounting rods corresponding to the encoder are arranged in the frame, the encoder is connected to the corresponding mounting rods in a sliding mode through a sliding seat, an I-shaped wheel is connected to the shaft end of the encoder, and a rubber ring is sleeved in a groove of the I-shaped wheel and abuts against the surface of the corresponding first reversing roller.

Further, in the above coiled material discharging frame for a bag making machine, one end of the first rotating shaft protrudes out of the corresponding side plate and is connected with a first pull rod potentiometer.

Further, in the above coiled material discharging frame for the bag making machine, the first traction unit includes a first power roller and a first driving motor connected to the first power roller in a driving manner, and first pressing devices respectively abutted to the corresponding first power rollers are arranged in the frame.

Further, in the coiled material discharging frame for the bag making machine, the first buffer unit comprises a plurality of second reversing rollers rotatably arranged in the frame and a buffer frame swinging in the frame, one end of the buffer frame is rotatably connected to the frame through a second rotating shaft, second swinging cylinders hinged to the corresponding buffer frames are respectively arranged on the inner walls of the side plates, and the buffer rollers are rotatably arranged in the buffer frames.

Further, in the above coiled material discharging frame for a bag making machine, one end of the second rotating shaft protrudes out of the corresponding side plate and is connected with a second pull rod potentiometer.

Further, in the coiled material discharging frame for the bag making machine, a material preparation unit is arranged right above or right below the material discharging unit, the material preparation unit is sequentially connected with a second tension adjusting unit, a second traction unit and a second buffer unit, and a second guide roller is arranged between the material preparation unit and the second tension adjusting unit.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model has simple structure, the position of the coiled material is limited by the limiting roller, the material changing efficiency is improved, and the first buffer storage unit realizes the stable transition of continuous material discharging of the material discharging unit and intermittent material discharging at the rear end.

Drawings

Fig. 1 is a schematic structural view of a coil pay-off rack for a bag making machine according to an embodiment of the present utility model.

FIG. 2 is an internal schematic view of a coil pay-off rack for a bag machine according to one embodiment of the utility model.

Fig. 3 is a schematic structural view of a limiting device according to an embodiment of the utility model.

Fig. 4 is a schematic view showing the structure of the first guide roller and the first adjusting device in an embodiment of the present utility model.

Fig. 5 is a schematic structural diagram of a first traction unit according to an embodiment of the utility model.

FIG. 6 is a schematic diagram of a buffer unit according to an embodiment of the utility model.

Fig. 7 is a schematic diagram illustrating the positions of the discharging unit and the preparing unit according to an embodiment of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments.

As shown in fig. 1 to 7, a coiled material discharging frame for a bag making machine comprises a frame 1, a discharging unit 2, a first tension adjusting unit 3, a first traction unit 4 and a first buffer unit 5 which are sequentially arranged on the frame 1, wherein a first guide roller is arranged between the discharging unit 2 and the first tension adjusting unit 3, the frame 1 comprises two side plates which are vertically arranged, the outer ends of the side plates are respectively provided with a supporting platform for installing coiled materials, the discharging unit 2 comprises a first air expansion shaft 21 which is detached from the supporting platform and a first brake 22 which is connected with one end of the first air expansion shaft 21 through a gear set, a first gear is sleeved at one end of the first air expansion shaft, which is close to the first brake, the first brake is a magnetic powder brake, a second gear which is meshed with the first gear is connected with the first tension adjusting unit, a first limit device 6 is arranged between the two side plates, the first limit device 6 comprises a cross beam 61 which is parallel to the first air expansion shaft 21 and limit rollers 62 which respectively slide on the cross beam 61, and the length of the limit rollers 62 is smaller than the distance from the cross beam 61 to the first air expansion shaft 21.

In this technical scheme, frame and blowing unit are current structure, before production, according to the corresponding position of crossbeam is fixed in two limit rolls of actual product specification etc. with first stop device, the film material of lapping (coiled material) and the in-process of air shaft integral hoisting in supporting platform, with the axial adjustment position of film material along the air shaft, make it get into between the limit rolls, and rotate the both ends of air shaft and be fixed in corresponding supporting platform, then the air shaft is ventilated to the air shaft, the film material of lapping is fixed in the air shaft, and the manual material of walking, pass first guide roll in proper order with the film material, first tension adjusting device, first traction unit and first buffer unit and the follow-up station of bag making machine, then through the automatic blowing of first traction unit, in the blowing in-process, tension through first tension adjusting unit and first stopper adjustment film material, keep invariable tension blowing, improve the product yields, first buffer unit realizes the transition of blowing unit continuous blowing and rear end blowing, when changing into material steadily, the film material sets up in the direct setting in between two limit rolls, can be in the side face of the vertical side of the limit rolls or the vertical side of roll, the vertical side face of the film material is ignored, the vertical side face is reduced, the vertical side face of the film material that can be in the limit roll is to the limit roll with the vertical side face of the limit roll is reduced.

Illustratively, as shown in fig. 1 to 3, the cross beam 61 is provided with kidney-shaped holes along its length, which correspond to the stopper rollers 62, respectively, one end of the stopper rollers 62 being provided with kidney-shaped holes by wing nuts.

In this technical scheme, the spacing roller slides in the crossbeam to adapt to the demand of different breadth membrane material production, butterfly nut is conventional structure, and manual operation of being convenient for adjusts the position of spacing roller fast, improves work efficiency.

As shown in fig. 1 to 3, the limiting roller 62 includes a mounting shaft 621 with one end connected to a butterfly bolt and a rubber roller 622 rotatably disposed on the mounting shaft 621, the mounting shaft 621 includes a connecting stud, a sliding portion, a limiting portion and a long shaft disposed corresponding to the rubber roller, the sliding portion is provided with a plane sliding against an inner wall of the kidney-shaped hole on a surface thereof, the length of the sliding portion is smaller than the depth of the kidney-shaped hole, the rubber roller is of a hollow tubular structure, and two ends of the inner wall thereof are rotatably connected to the long shaft through bearings, respectively.

In this technical scheme, the spacing roller is rubber coating roller structure, and its installation axle is the step shaft structure, the one end that is close to the crossbeam is protruding to be stretched there is spacing portion, sliding part, connecting stud, the terminal surface of spacing portion slides and laminates in the side of crossbeam, the axial position of spacing sliding part and stud, and cooperate butterfly nut with spacing roller locking in the crossbeam, the circumference both sides processing of sliding part has the plane of symmetry, and slide in the inner wall in waist shape hole respectively, be convenient for adjust the position of spacing roller on the crossbeam, the stud is connected in butterfly nut, the rubber roll rotates and sets up in the installation axle, drive its rotation when the coiled material blowing, reduce friction.

As shown in fig. 1, 2 and 4, the first tension adjusting unit 3 includes two first reversing rollers 31 rotatably disposed in the frame 1 and a first adjusting frame 32 swinging in the frame 1, one end of the first adjusting frame 32 is rotatably connected to the frame 1 through a first rotating shaft 33, first swinging cylinders 34 hinged to the corresponding first adjusting frame 32 are respectively disposed on inner walls of the side plates, and two first adjusting rollers 35 are rotatably disposed in the first adjusting frame 32.

In this technical scheme, the membrane material is introduced first tension adjustment unit by first guide roll to at the first dancer roll in first change roll leading-in first alignment jig, first swinging cylinder drives first alignment jig and swings around first pivot, thereby adjust the tension of membrane material, first guide roll, first change roll and first alignment roll are conventional rubber coating roller, the curb plate in the frame is connected through conventional bearing frame etc. rotation respectively at the both ends of first pivot, the bottom (the one end that deviates from the piston rod and stretches out) of first swinging cylinder articulates in the inner wall of curb plate, the terminal of its piston rod articulates in first alignment jig, drive first alignment jig swing at the flexible in-process of first swinging cylinder piston rod.

As shown in fig. 1, 2 and 4, an encoder 36 is disposed near the top end of the first reversing roller 31 of the first guiding roller, a mounting rod 37 corresponding to the encoder is disposed in the frame 1, the encoder 36 is slidably connected to the corresponding mounting rod 37 through a sliding seat, a spool 361 is connected to the shaft end of the encoder 37, and a rubber ring is sleeved in a groove of the spool 361 and abuts against the surface of the corresponding first reversing roller 31.

In this technical scheme, the encoder is conventional structure, supports and holds in first switching-over roller and pass through I-shaped wheel and rubber circle, measures the travel speed of membrane material, cooperates first stopper and first tension adjustment frame to adjust different material loading speed's membrane material tension, and concrete principle belongs to prior art, just need not be repeated here, and the installation pole is the optical axis structure, and the slide slip cap is located the installation pole to fixed through conventional jackscrew etc. in order to adapt to the production demand of different wide membrane materials, in addition, the rubber circle supports and holds in first switching-over roller, can also restrict the axial position of membrane material, reduces the skew.

As shown in fig. 1, 2 and 4, one end of the first rotating shaft 33 protrudes from the outer wall of the corresponding side plate, and is connected with a first pull rod potentiometer 38.

In this technical scheme, the outstanding one end of first pivot articulates in the pull rod of first pull rod potentiometre through the connecting plate, monitors first pivot pivoted angle through first pull rod potentiometre, and first alignment jig wobbling angle promptly cooperates the tension of first stopper and encoder regulation membrane material, and the curb plate inner wall is provided with spacing post to the swing range of restriction first alignment jig avoids tension to surpass the limit range that the membrane material can bear.

As shown in fig. 1, 2 and 5, the first traction unit 4 includes a first power roller 41 and a first driving motor 42 drivingly connected to the first power roller 41, and the frame 1 is provided therein with first pressing devices 7 respectively abutted against the corresponding first power roller 41.

According to the technical scheme, the first power roller is a conventional rubber coating roller, two ends of a central rotating shaft of the first power roller are respectively connected to the side plates through conventional bearing seats in a rotating mode, one ends of the central rotating shaft protrude out of the outer walls of the side plates, a chain wheel is sleeved on the first power roller and connected to a driving motor through chain driving to provide power for film material discharging, the first pressing device presses and adheres the film material to the surface of the first power roller, the discharging stability is improved, and the direction traction of the first tension adjusting unit and the first buffer unit on the film material can be avoided; the first pressing device comprises a mounting cross beam 71 fixed on the side plate and two groups of rollers 72 sliding on the mounting cross beam, so that the requirements of processing film materials with different widths are met, and the rollers slide on the mounting cross beam through a conventional sliding seat and other structures.

As shown in fig. 1, 2 and 6, the first buffer unit 5 includes two second reversing rollers 51 rotatably disposed in the frame 1 and a buffer frame 52 swinging in the frame 1, one end of the buffer frame 52 is rotatably connected to the frame 1 through a second rotating shaft 53, second swinging cylinders 54 hinged to the corresponding buffer frame 53 are respectively disposed on inner walls of the side plates, and buffer rollers 55 are rotatably disposed in the buffer frame 53.

In the technical scheme, in the feeding process of the subsequent station of the bag making machine, the piston rod of the second swinging cylinder is in a contracted state, when the film material of the subsequent station of the bag making machine stops feeding, the feeding unit still normally feeds, the piston rod of the second swinging cylinder stretches out to drive the buffer frame to swing, the distance between the buffer roller and the second reversing roller is increased, the film material is buffered between the buffer roller and the second reversing roller, the film material tension is kept, and when the film material of the subsequent station of the bag making machine continues to be conveyed, the piston rod of the second swinging cylinder contracts again to drive the buffer frame, and the film material buffered between the buffer roller and the second reversing roller is sent out.

As shown in fig. 1, 2 and 6, one end of the second rotating shaft 55 protrudes from the corresponding side plate, and a second pull rod potentiometer 56 is connected thereto.

In the technical scheme, the second rotating shaft rotating angle, namely the swinging angle of the buffer frame, is monitored through the second pull rod potentiometer, so that the smooth transition of continuous discharging and intermittent discharging at the rear end of the discharging unit is realized.

Illustratively, as shown in fig. 7, a stock preparation unit 8 is disposed right above the discharging unit 2, the stock preparation unit 8 is sequentially connected with a second tension adjusting unit 9, a second traction unit 10 and a second buffer unit 20, and a second guide roller is disposed between the stock preparation unit 8 and the second tension adjusting unit 9.

In the technical scheme, the structure of the material preparation unit is the same as that of the material discharge unit, the mounting heights are different, the single-layer film material discharge is that the material preparation unit is used as a standby of the material discharge unit, namely, when the coiled material discharge of the material discharge unit is finished, coiled materials of the material preparation unit are directly connected to the tail end of coiled materials of the material discharge unit, the material preparation unit and the material discharge unit are alternately used, the second tension adjustment unit, the second traction unit and the second buffer unit do not work, when the double-layer material discharge is carried out, the material discharge unit and the material preparation unit are simultaneously discharged, the structures and functions of the second guide roller, the second tension adjustment unit, the second traction unit and the second buffer unit are the same as those of the first guide roller, the first tension adjustment unit, the first traction unit and the first buffer unit, the corresponding second limiting device 30 and the second compressing device 40 are configured, and are arranged according to time mounting space and the like, a conventional coiled material expansion device is arranged at the bottom of the machine frame for conveniently replacing the material of the material discharge unit, the coiled materials and the air expansion shaft are transferred onto the machine frame together, the corresponding machine frame is extended backwards, the first buffer unit is ensured to be mounted on the machine frame or a subsequent station, and the first buffer unit can be independently arranged on the machine station.

In summary, the utility model has simple structure, the position of the coiled material is limited by the limiting roller, the material changing efficiency is improved, and the first buffer unit realizes the smooth transition of continuous material discharging of the material discharging unit and intermittent material discharging at the rear end.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely illustrative of the embodiments of this application and it will be appreciated by those skilled in the art that variations and modifications may be made without departing from the principles of the application, and it is intended to cover all modifications and variations as fall within the scope of the application.

Claims (10)

1. A coiled material blowing frame for system bag machine, its characterized in that: including the frame, set up in proper order in blowing unit, first tension adjustment unit, first traction element and the first buffer unit of frame, be provided with first guide roll between blowing unit, the first tension adjustment unit, the frame includes two vertical curb plates that set up, and its outer end is provided with the supporting platform who is used for installing the coiled material respectively, the blowing unit is including dismouting in supporting platform's first air shaft and connect in the first stopper of first air shaft one end through the gear train, two be provided with first stop device between the curb plate, first stop device includes the crossbeam that is on a parallel with first air shaft and slides in the spacing roller of crossbeam respectively, the length of spacing roller is less than the distance of crossbeam to first air shaft.

2. The coil discharging frame for a bag making machine according to claim 1, wherein the cross beam is provided with kidney-shaped holes along the length thereof, the kidney-shaped holes respectively corresponding to the limit rollers, and one end of each limit roller is provided with kidney-shaped holes through a butterfly nut.

3. The coil discharging frame for a bag making machine according to claim 2, wherein the limit roller comprises a mounting shaft with one end connected to the butterfly bolt and a rubber roller rotatably arranged on the mounting shaft, the mounting shaft comprises a connecting stud, a sliding part, a limit part and a long shaft arranged correspondingly to the rubber roller, the surface of the sliding part is provided with a plane which is slidably abutted against the inner wall of the kidney-shaped hole, the length of the sliding part is smaller than the depth of the kidney-shaped hole, the rubber roller is of a hollow tubular structure, and two ends of the inner wall of the rubber roller are rotatably connected to the long shaft through bearings respectively.

4. The coil discharging frame for a bag making machine according to claim 1, wherein the first tension adjusting unit comprises a plurality of first reversing rollers rotatably arranged in the frame and a first adjusting frame swinging in the frame, one end of the first adjusting frame is rotatably connected to the frame through a first rotating shaft, first swinging cylinders hinged to the corresponding first adjusting frames are respectively arranged on the inner walls of the side plates, and the first adjusting frames are rotatably provided with first adjusting rollers.

5. The coil discharging frame for a bag making machine according to claim 4, wherein an encoder is arranged at the top end of the first reversing roller, mounting rods respectively corresponding to the encoder are arranged in the frame, the encoder is connected to the corresponding mounting rods in a sliding manner through a sliding seat, the shaft end of the encoder is connected with a spool, and a rubber ring is sleeved in a groove of the spool and abuts against the surface of the corresponding first reversing roller.

6. The roll stock removal frame for a bag making machine of claim 4, wherein one end of the first shaft protrudes from the corresponding side plate and is connected with a first pull rod potentiometer.

7. The coil discharging frame for a bag making machine according to claim 1, wherein the first traction unit comprises a first power roller and a first driving motor in driving connection with the first power roller, and first pressing devices respectively abutted against the corresponding first power roller are arranged in the frame.

8. The coil discharging frame for a bag making machine according to claim 1, wherein the first buffer unit comprises a plurality of second reversing rollers rotatably arranged in the frame and a buffer frame swinging in the frame, one end of the buffer frame is rotatably connected to the frame through a second rotating shaft, second swinging cylinders hinged to the corresponding buffer frame are respectively arranged on the inner walls of the side plates, and the buffer rollers are rotatably arranged in the buffer frame.

9. The coil discharging frame for a bag making machine according to claim 8, wherein one end of the second rotating shaft protrudes from the corresponding side plate, and is connected with a second pull rod potentiometer.

10. The coiled material discharging frame for a bag making machine according to claim 1, wherein a material preparation unit is arranged right above or right below the material discharging unit, the material preparation unit is sequentially connected with a second tension adjusting unit, a second traction unit and a second buffer unit, and a second guide roller is arranged between the material preparation unit and the second tension adjusting unit.