CN216466498U

CN216466498U - Feeding device of medical packaging bag making machine

Info

Publication number: CN216466498U
Application number: CN202122723675.7U
Authority: CN
Inventors: 高榭君; 宋家虎; 闻敏铭
Original assignee: Jiaxing Hailsen Medical Technology Co ltd
Current assignee: Jiaxing Hailsen Medical Technology Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-05-10
Anticipated expiration: 2031-11-08

Abstract

The utility model relates to the field of bag making machines, in particular to a feeding device of a medical packaging bag making machine, which comprises: a frame; the film roll feeding mechanism is arranged at the upper end of the rack and comprises a film roll air expansion shaft, a driving mechanism for driving the film roll air expansion shaft to rotate and a first sleeve, the first sleeve is sleeved on the film roll air expansion shaft, and a power roller driven by the driving mechanism is arranged on the rear side of the film roll air expansion shaft; the paper roll feeding mechanism is arranged at the lower end of the film roll feeding mechanism and comprises a paper roll air expansion shaft and a sleeve II sleeved on the paper roll air expansion shaft; the first limiting mechanism comprises a first stop block sleeved on two sides of the first sleeve and a first driving mechanism for driving the first stop block to inwards clamp the film roll on the first sleeve; and the second limiting mechanism comprises a second stop block sleeved on two sides of the first sleeve and a second driving mechanism driving the stop block to inwards clamp the paper roll on the second sleeve, so that the driven feeding of the paper roll is realized, the problem of inconsistent feeding speed caused by the thickness of the coil stock is solved, and the limiting mechanism limits and fixes the film roll or two sides of the paper roll.

Description

Feeding device of medical packaging bag making machine

Technical Field

The utility model relates to the field of bag making machines, in particular to a feeding device of a medical packaging bag making machine.

Background

One side of the medical packaging bag is medical dialyzing paper, and the other side is a plastic film, and the medical packaging bag needs to be thermally sealed and cut into a paper-plastic bag. Original system bag machine feeding scheme, the feeding scroll of below adopts the inflatable axle snap-on of taking actuating mechanism, and the feeding membrane book of top also adopts the inflatable axle snap-on of taking actuating mechanism, adopts the duplex position feeding in order to improve production efficiency, but the mode that adopts the duplex position feeding has following problem: the two groups of feeding coil materials in the double-station have different feeding lengths when rotating for one circle due to the uneven thickness difference of the two groups of feeding coil materials, so that the problem of inconsistent feeding speed can be caused, and the two groups of coil materials cannot be fixed simultaneously through the air expansion shaft directly; meanwhile, the existing film roll and paper roll changing mechanism is complex.

In order to solve the defects in the prior art, a feeding device of a medical packaging bag making machine, which has a simple structure and is stable in use, needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a feeding device of a medical packaging bag making machine, which aims to solve the problems in the prior art.

The purpose of the utility model can be realized by the following technical scheme: a feeding device for a medical packaging bag machine comprising: a frame;

the film roll feeding mechanism is arranged at the upper end of the rack and comprises a film roll air expansion shaft, a driving mechanism for driving the film roll air expansion shaft to rotate and a first sleeve, the first sleeve is sleeved on the film roll air expansion shaft, a power roller driven by the driving mechanism is arranged on the rear side of the film roll air expansion shaft, and the power roller conveys the film roll and the paper roll;

the paper roll feeding mechanism is arranged at the lower end of the film roll feeding mechanism and comprises a paper roll air expansion shaft and a sleeve II sleeved on the paper roll air expansion shaft;

the roll changing mechanism is arranged at the side end of the rack and is used for changing rolls of the film roll on the first sleeve and the paper roll on the second sleeve;

the first limiting mechanism comprises a first stop block sleeved on two sides of the first sleeve and a first driving mechanism for driving the first stop block to inwards clamp the film roll on the first sleeve;

and the second limiting mechanism comprises a second stop block sleeved on two sides of the second sleeve and a second driving mechanism for driving the stop block to inwards clamp the paper roll on the second sleeve.

The roll changing mechanism comprises an upper roll changing mechanism and a lower roll changing mechanism, the upper roll changing mechanism comprises a first rotating plate, a first rotating plate limiting rod, a first bearing seat and a first bearing seat limiting rod, the first rotating plate is rotatably connected with the rack, the first rotating plate limiting rod is slidably arranged between the first rotating plate and the rack, the first bearing seat is connected with a film roll air expansion shaft and is arranged in a first groove of the first rotating plate, and the first bearing seat limiting rod is movably arranged on the outer side of the first bearing seat; the lower reel changing mechanism comprises a second rotating plate, a second rotating plate limiting rod, a second bearing seat and a second bearing seat limiting rod, the second rotating plate is rotatably connected with the rack, the second rotating plate limiting rod is slidably arranged between the second rotating plate and the rack, the second bearing seat is connected with a paper roll air expansion shaft and is arranged in a second groove of the second rotating plate, and the second bearing seat limiting rod is movably arranged on the outer side of the second bearing seat.

The first driving mechanism and the second driving mechanism comprise a first air cylinder for driving the left annular stop block, an upper air cylinder group for driving the right upper semicircular stop block and a lower air cylinder group for driving the right lower semicircular stop block

In a further improvement, a convex block is arranged at the lower end of the upper right semicircular baffle block, and a groove for accommodating the convex block is arranged at the upper end of the lower right semicircular baffle block.

In a further improvement, the driving mechanism, the first driving mechanism and the second driving mechanism are all motors.

Compared with the prior art, the film roll air expansion shaft and the power roller in the feeding device of the medical packaging bag making machine synchronously and actively rotate through the driving mechanism, the lower paper roll is driven by the power roller from the paper roll on the second sleeve to obtain power, passive feeding is realized, the feeding speed of the square paper roll is changed along with the change of the feeding speed of the upper film roll, and production inconsistency caused by inconsistent feeding speed due to the thickness of the roll material is avoided, so that the stable production can be ensured; the paper roll and the film roll are indirectly placed on the air expansion shaft through the sleeve arranged on the air expansion shaft, so that the problems that the paper roll or the film roll is directly placed at the position of the air expansion shaft without a protrudable key strip and cannot be fixed and the stress is uneven in the prior art are solved; meanwhile, the limiting mechanisms limit and fix the two sides of the paper tube of the film roll or the paper roll, so that the film roll or the paper roll is prevented from deviating in the feeding process, and the production quality is improved.

Drawings

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

FIG. 2 is a schematic diagram of the right side view of the present invention

FIG. 3 is a schematic view of the connection structure of the upper right semicircular block and the lower right semicircular block of the present invention

In the figure, 1-frame, 2-film roll feeding mechanism, 21-film roll air expansion shaft, 22-driving mechanism, 23-first sleeve, 24-power roller, 3-paper roll feeding mechanism, 31-paper roll air expansion shaft, 32-second sleeve, 41-upper roll changing mechanism, 411-first rotating plate, 4111-first groove, 412-first rotating plate limiting rod, 413-first bearing seat, 414-first bearing seat limiting rod, 42-lower roll changing mechanism, 421-second rotating plate, 4211-second groove, 422-second rotating plate limiting rod, 423-second bearing seat, 424-second bearing seat limiting rod, 71-left annular block, 72-upper right semicircular block, 721-convex block, 73-lower right semicircular block, 731-groove, 74-first cylinder, 75-upper cylinder group, 76-lower cylinder group.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solution of the present invention is further described below with reference to the following embodiments and accompanying drawings 1 to 3.

Example 1

A feeding device of a medical packaging bag making machine, comprising: a frame 1; the film roll feeding mechanism 2 is arranged at the upper end of the rack 1 and comprises a film roll air expansion shaft 21, a driving mechanism 22 and a sleeve I23, the driving mechanism 22 is used for driving the film roll air expansion shaft 21 to rotate, the sleeve I23 is sleeved on the film roll air expansion shaft 21, a power roller 24 driven by the driving mechanism 22 is arranged on the rear side of the film roll air expansion shaft 21, and the power roller 24 is used for conveying a film roll and a paper roll;

the paper roll feeding mechanism 3 is arranged at the lower end of the film roll feeding mechanism 2 and comprises a paper roll air expansion shaft 31 and a second sleeve 32 sleeved on the paper roll air expansion shaft 31; the roll changing mechanism is arranged at the side end of the rack 1 and is used for changing rolls of the film roll on the first sleeve 23 and the paper roll on the second sleeve 32; the first limiting mechanism comprises a first stop block sleeved on two sides of the first sleeve 23 and a first driving mechanism for driving the first stop block to inwards clamp the film roll on the first sleeve 23; and the second limiting mechanism comprises a second stop block sleeved on two sides of the second sleeve 32 and a second driving mechanism for driving the stop block to inwards clamp the paper roll on the second sleeve 32.

As shown in fig. 1-2, the film roll air expansion shaft 21 and the power roller 24 synchronously and actively rotate through the driving mechanism 22, and the upper sleeve barrel 23 actively feeds the film roll; the scroll of below obtains power from the paper book on the sleeve two 32 through power roller 24 drives, realizes passive feeding, and then the initiative feeding of top film book drives the passive feeding of below film book, and the input speed of below scroll changes along with top film book input speed change, has stopped the production discordance that leads to because the thickness of coil stock produces the feeding speed discrepancy to can ensure that production goes on steadily.

The film roll air expansion shaft 21 is sleeved with the sleeve 23, the key strips on the air expansion shaft are inflated to abut against the inside of the sleeve 23 with longer length, the sleeve can be stably fixed, the film roll is placed in the sleeve 23 in a sliding mode, and the paper roll or the paper tube in the film roll is fixed through the limiting mechanism, so that the problems that the film roll is directly placed at the position of the air expansion shaft without the protrudable key strips and cannot be fixed and the stress is uneven are solved.

The existing roll changing mechanism is arranged on one side of the driving mechanism, the structure is more complex, and the roll changing process needs to be realized by rotating the film roll air expansion shaft 21 and the paper roll air expansion shaft 31 outwards after the locking device is released. The utility model directly adjusts the position of the roll changing mechanism at two sides outwards without rotating the film roll air expanding shaft 21 and the paper roll air expanding shaft 31, has simple structure and is convenient for replacing the film roll and the paper roll.

The stop block in the first limiting mechanism is driven to abut against the left end of the paper roll or the film roll right through the first driving mechanism, and the stop block II in the second limiting mechanism is driven to move leftwards through the second driving mechanism to abut against the right end of the paper roll or the film roll, so that the two end faces of the paper roll are limited and fixed; when the film roll and the paper roll need to be changed, the first driving mechanism and the second driving mechanism are driven reversely to enable the first stop block and the second stop block to move outwards, and the limiting on the paper roll or the paper tube of the film roll is relieved. Through the spacing fixing in the fiber container both sides of stop gear one and stop gear two with the membrane book or scroll, guarantee that membrane book or scroll feeding process off tracking, improve production quality to the fiber container fixed with loosen in the use and adjust in a flexible way, actuating mechanism's adjustability simultaneously makes the homoenergetic realize stable fixed to the scroll or the membrane book homoenergetic of length difference.

As a further embodiment, the roll changing mechanism includes an upper roll changing mechanism 41 and a lower roll changing mechanism 42, the upper roll changing mechanism 41 includes a first rotating plate 411, a first rotating plate limiting rod 412, a first bearing seat 413 and a first bearing seat limiting rod 414, the first rotating plate 411 is rotatably connected to the rack 1, the first rotating plate limiting rod 412 is slidably disposed between the first rotating plate 411 and the rack 1, the first bearing seat 413 is connected to the film roll air expansion shaft 21 and disposed in a first groove 4111 of the first rotating plate 411, and the first bearing seat limiting rod 414 is movably disposed outside the first bearing seat 413; the lower reel changing mechanism 42 comprises a second rotating plate 421, a second rotating plate limiting rod 422, a second bearing seat 423 and a second bearing seat limiting rod 424, the second rotating plate 421 is rotatably connected to the rack 1, the second rotating plate limiting rod 422 is slidably arranged between the second rotating plate 421 and the rack 1, the second bearing seat 423 is connected with the paper roll air expansion shaft 31 and is arranged in a second groove 4211 of the second rotating plate 421, and the second bearing seat limiting rod 424 is movably arranged on the outer side of the second bearing seat 423.

As shown in fig. 2, in the specific process of changing the film roll, the first bearing seat limiting rod 414 in the upper roll changing mechanism 41 is lifted upwards to the upper end of the rack 3, the first rotating plate limiting rod 412 is continuously lifted upwards to the upper end of the rack 3, and the first rotating plate 411 is rotated outwards along the rotating shaft on the rack 3, so that a new film roll is loaded onto the first sleeve 23 from the right side, and the process of changing the film roll is the same. Through the fixed support and the steering of the limiting mechanism, the film roll and the paper roll can be conveniently changed, and the structure is simple and practical.

As a further example, the first and second stoppers each include a left annular stopper 71, a right upper semicircular stopper 72, and a right lower semicircular stopper 73, and the first and second driving mechanisms each include a first cylinder 74 driving the left annular stopper 71, an upper cylinder group 75 driving the right upper semicircular stopper 72, and a lower cylinder group 76 driving the right lower semicircular stopper 73.

As shown in fig. 1, the left annular stopper 71 is sleeved on the film roll air expansion shaft 21 or the paper roll air expansion shaft 31, and can be driven by a first air cylinder 74 to quickly realize pre-tightening and releasing; go up cylinder group 75 and lower cylinder group 76 and all include vertical cylinder and horizontal cylinder, drive separation upper right semicircle dog 72 and lower right semicircle dog 73 through vertical cylinder earlier, make original scroll or membrane book take to the right side and with new scroll or membrane book from the inflatable shaft right side left side dress-in process not influenced, rely on horizontal cylinder to realize the pretension or the relaxation pretension of the fiber container right-hand member face of film book or scroll again, cylinder drive simply uses, need not manual operation pretension dog one and dog two.

As a further example, the right upper semicircular block 72 is provided at a lower end thereof with a projection 721, and the right lower semicircular block 73 is provided at an upper end thereof with a groove 731 for receiving the projection 721. As shown in FIG. 3, when the upper right semicircular block 72 and the lower right semicircular block 73 are close to the right end of the paper tube for pushing against the paper roll or the film roll, the protrusion 721 at the lower end of the upper right semicircular block 72 is inserted into the groove 731 of the lower semicircular block 73, so that the upper right semicircular block 72 and the lower semicircular block 73 form a whole, and the limit pre-tightening force is improved.

As a further example, the driving mechanism 22, the first driving mechanism and the second driving mechanism are all motors.

The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. A feeding device of a medical packaging bag making machine, comprising:

a frame;

2. The feeding device of a medical packaging bag making machine as claimed in claim 1, wherein the roll changing mechanism comprises an upper roll changing mechanism and a lower roll changing mechanism, the upper roll changing mechanism comprises a first rotating plate, a first rotating plate limiting rod, a first bearing seat and a first bearing seat limiting rod, one rotating plate is rotatably connected with the rack, the first rotating plate limiting rod is slidably arranged between the first rotating plate and the rack, the first bearing seat is connected with the film roll air expansion shaft and is arranged in the first groove of the first rotating plate, and the first bearing seat limiting rod is movably arranged outside the first bearing seat; the lower reel changing mechanism comprises a second rotating plate, a second rotating plate limiting rod, a second bearing seat and a second bearing seat limiting rod, the second rotating plate is rotatably connected with the rack, the second rotating plate limiting rod is slidably arranged between the second rotating plate and the rack, the second bearing seat is connected with a paper roll air expansion shaft and is arranged in a second groove of the second rotating plate, and the second bearing seat limiting rod is movably arranged on the outer side of the second bearing seat.

3. The feeding device of a medical packaging bag making machine as claimed in claim 1, wherein the first and second stoppers comprise a left annular stopper, an upper right semicircular stopper and a lower right semicircular stopper, and the first and second driving mechanisms comprise a first cylinder driving the left annular stopper, an upper cylinder driving the upper right semicircular stopper and a lower cylinder driving the lower right semicircular stopper.

4. The feeding device of a medical packaging bag making machine as claimed in claim 3, wherein the lower end of the upper right semicircular block is provided with a projection, and the upper end of the lower right semicircular block is provided with a groove for accommodating the projection.

5. The feeding device of a medical packaging bag making machine as claimed in claim 1, wherein said driving mechanism, said first driving mechanism and said second driving mechanism are all motors.