CN112829981A

CN112829981A - Film packaging machine capable of starting early warning and braking in time according to gravity change

Info

Publication number: CN112829981A
Application number: CN201911156303.1A
Authority: CN
Inventors: 邹思敏; 梁洁
Original assignee: Hunan University of Technology
Current assignee: Hunan University of Technology
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2021-05-25

Abstract

The invention relates to the technical field of water-soluble films, and discloses a film packaging machine capable of starting early warning and braking in time according to gravity change, which comprises a base, wherein a supporting table is fixedly connected above the base, and the contact area between a metal plate and a dielectric plate is increased after a film reaches a preset value through the matching use of an upper clamping plate, a lower clamping plate, a first rotating column, the dielectric plate and the metal plate, so that a capacitor is increased to trigger alarm reminding, a worker is reminded to replace the film in time, if the worker does not replace the film in time, the upper clamping plate and the lower clamping plate clamp the first rotating column to brake, and the machine is prevented from idling still after the film is used, and the upper clamping plate is driven to contract inwards synchronously through the matching use of the upper clamping plate, the lower clamping plate, a connecting rod, a connecting strip and a push rod when the push rod moves rightwards, so that the first rotating column, avoid the machine to take place idle running for a long time, cause the damage, prolong the life of machine.

Description

Film packaging machine capable of starting early warning and braking in time according to gravity change

Technical Field

The invention relates to the technical field of water-soluble films, in particular to a film packaging machine capable of starting early warning and braking in time according to gravity change.

Background

With the development and progress of society, people pay more and more attention to the environmental protection, wherein the environmental protection requirement for packaging is also increased day by day, and the water-soluble film as an environmental protection film can be quickly and automatically denatured and decomposed under the action of natural factor water, finally degraded into low molecular compounds and has the function of improving the land, so that the water-soluble packaging film has very wide prospect in China.

Because water-soluble membrane itself has the water-soluble characteristics, cold water is soluble, and nontoxic pollution-free, so in pesticide, chemical products inner packing lining bag field obtain wide application, can avoid hand touch pesticide and chemical products, no pesticide residue is in the plastic bag, so be used for the packing of pesticide finished product, in the in-process of packing, need place the water-soluble membrane of lapping in the roller outside roll on the one hand and expand and pack, traditional packagine machine is when packing if water-soluble membrane use end in time change, the machine can not automatic stop still keeps operating condition, can cause the idle running of machine, cause the harm to the machine, shorten the life of machine, thereby increase packaging cost, on the other hand, before the film end of use, the machine does not set up the automatic warning function, the staff can't in time discover and handle the problem.

To solve the above problems. The invention provides a film packaging machine capable of starting early warning and braking in time according to gravity change, which has the advantages of sending out early warning to remind workers of replacing before the use of a film is finished, and stopping the machine, solves the problems that the traditional film packaging machine needs the workers to watch all the time during operation, cannot automatically close the machine and remind of replacing, ensures that a machine cannot idle when the device is used, and improves the intelligence and the practicability of the device.

Disclosure of Invention

Technical scheme

In order to realize the purposes of sending out an early warning to remind workers to replace the film before the use of the film is finished and stopping the machine, the invention provides the following technical scheme: a film packaging machine capable of starting early warning and braking in time according to gravity change comprises a base, wherein a supporting table is fixedly connected above the base and used for supporting and stabilizing the whole device, a supporting frame is movably connected inside the supporting table, the position of the supporting frame is changed through displacement, the size of capacitance is finally changed, a supporting rod is movably connected above the supporting frame and used for supporting a coiled water-soluble film, a rotating disc is movably connected between the supporting rod and the supporting frame, a lantern ring is movably connected above the supporting rod, a first rotating column is movably connected inside the lantern ring and can rotate in the lantern ring, a second rotating column is movably connected on the right side of the supporting table and used for limiting the water-soluble film to avoid the tension of the film from being too small, a connecting block is fixedly connected on the outer side of the first rotating column, and a lower clamping ring is movably connected inside the connecting, one side swing joint that the clamp ring was kept away from down to the connecting block has last clamp ring, swing joint has the connecting rod between lower clamp ring and the last clamp ring, and the top swing joint of connecting rod has the connecting strip, and the left side swing joint of connecting strip has the push rod, the dielectric plate of top fixedly connected with of base, and the both sides swing joint of dielectric plate has the metal sheet, and the outside swing joint of push rod has even the piece, and one side swing joint that the push rod was kept away from to even piece has the roof.

Preferably, an alarm is fixedly connected below the bottom plate, and an alarm point of the alarm is related to the capacitance change between the electrolyte plate and the metal plate.

Preferably, the support frame is designed to be concave, and the support frames are symmetrically distributed by taking the central line of the support rod as a reference.

Preferably, there are two rotating discs, and the two rotating discs have the same specification and are symmetrically distributed by taking the central line of the supporting table as a reference.

Preferably, the support rod is located at the center of the support table, and the number of the support rods is two, and the two support rods are located on the same horizontal plane.

Preferably, the metal plates have two metal plates, and the two metal plates have the same specification and are opposite in charge.

Preferably, the dielectric plate has a size not larger than a distance between the two metal plates, and the dielectric plate is located between the two metal plates.

(II) advantageous effects

Compared with the prior art, the invention provides the film packaging machine which can start early warning and brake in time according to the change of gravity, and has the following beneficial effects:

1. this can start membrane packaging machine of early warning and timely braking according to gravity change, through the punch holder, the lower plate, first rotary column, the cooperation of dielectric medium plate and metal sheet is used, make area of contact increase between metal sheet and the dielectric medium plate behind film to the predetermined value, thereby increase electric capacity triggers the alarm and reminds, remind the staff in time to change, if the staff is not in time changed, punch holder and lower plate can clamp first rotary column, take place the braking, thereby avoid the film to use the machine after the end still to idle, avoid causing the damage to the machine.

2. This can start film packaging machine of early warning and in time braking according to gravity change, use through the cooperation of support frame, bracing piece and carousel, after the film is about to use the end, the bracing piece up moves, and the carousel rotates and drives the support frame and move down, utilizes the gravity difference can so that initiate the emergence of subsequent a series of reactions for need not operate with the help of other external forces, whole device intelligence and environmental protection more.

3. This can be according to the film packaging machine that gravity change started early warning and in time braked, the cooperation through dielectric medium board and metal sheet is used for when the metal sheet down moved, can increase and dielectric medium board between just to the area, thereby make the capacitance increase, finally make trigger alarm, can in time remind the staff, in time carry out the change of film, do not need the staff to keep watch on by side always, improved staff's utilization ratio.

4. This can change film packaging machine who starts early warning and in time brake according to gravity uses through the cooperation of punch holder, lower plate, connecting rod and connecting strip, push rod for when the push rod moves to the right, drive punch holder synchronous shrink inwards, thereby carry out the centre gripping to first pivot, avoid the machine to take place idle running for a long time, cause the damage, prolong the life of machine.

Drawings

FIG. 1 is a schematic view of a connection structure according to the present invention, wherein each structure is in an initial state;

FIG. 2 is a diagram of the motion trajectory of the structure of the present invention, when the thin film is reduced and the support frame and the dielectric plate move synchronously;

FIG. 3 is a schematic view of the connection structure of the first rotary post, the lower clamp ring, the upper clamp ring, the connecting rod, the connecting bar and the push rod according to the present invention, wherein each structure is in an initial state;

FIG. 4 is a diagram showing the movement traces of the structures shown in FIG. 3, in which the push rod moves forward to drive the upper clamp plate to move synchronously, and the first rotary column stops rotating;

FIG. 5 is a left side view of the connection block and lower clamp ring connection of the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 1 at A according to the present invention;

FIG. 7 is a schematic view of a dielectric plate and metal plate connection structure according to the present invention, wherein each structure is in an initial state;

FIG. 8 is a diagram of the movement traces of the structures shown in FIG. 7, in which the metal plate moves downward to increase the capacitance and finally trigger the warning;

FIG. 9 is a schematic view of the connecting structure of the push rod, the connecting block and the top plate according to the present invention, wherein each structure is in an original state;

fig. 10 is a motion trace diagram of each connection structure in fig. 9, wherein the top plate moves upwards to drive the push rod to move synchronously.

In the figure: 1-base, 2-supporting table, 3-supporting frame, 4-supporting rod, 5-rotary table, 6-lantern ring, 7-first rotary column, 8-second rotary column, 9-connecting block, 10-lower clamping ring, 11-upper clamping ring, 12-connecting rod, 13-connecting strip, 14-push rod, 15-dielectric plate, 16-metal plate, 17-connecting block and 18-top plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, a film packaging machine capable of starting an early warning and braking in time according to a change of gravity, comprising a base 1, an alarm fixedly connected to a lower portion of the base 1, and an alarm point of the alarm related to a change of capacitance between an electrolyte plate 15 and a metal plate 16, a support table 2 fixedly connected to an upper portion of the base 1 for supporting and stabilizing the entire device, a support frame 3 movably connected to an inner portion of the support table 2, the support frame 3 being designed in a concave shape, the support frame 3 being symmetrically distributed with reference to a center line of the support rod 4, the position of the support frame 3 being changed by displacement to change the magnitude of capacitance, and to make the stress uniform, a support rod 4 movably connected to an upper portion of the support frame 3, the support rod 4 being located at a center of the support table 2, and two support rods 4 being located at a same horizontal plane for supporting a, guarantee water-soluble membrane atress balance, can roll, swing joint has carousel 5 between bracing piece 4 and the support frame 3, and carousel 5 has two, and two carousel 5's specification is unanimous, and uses the central line of brace table 2 to be symmetric distribution for the gravity reduces after the water-soluble membrane uses, and carousel 5 takes place the position change when gravity changes, thereby causes the emergence of follow-up reaction.

Top swing joint of bracing piece 4 has the lantern ring 6, the inside swing joint of the lantern ring 6 has first rotary column 7, the size of the lantern ring 6 is not less than the size of first rotary column 7, make first rotary column 7 rotate in the lantern ring 6, the right side swing joint of brace table 2 has second rotary column 8, further carry on spacingly to the water-soluble membrane, avoid the tension undersize of membrane, the outside fixedly connected with connecting block 9 of first rotary column 7, the inside swing joint of connecting block 9 has lower clamp ring 10, one side swing joint that clamp ring 10 was kept away from down to connecting block 9 has last clamp ring 11, cooperation through last clamp ring 11 and lower clamp ring 10, it is spacing to first rotary column 7.

A connecting rod 12 is movably connected between the lower clamping ring 10 and the upper clamping ring 11, a connecting strip 13 is movably connected above the connecting rod 12, a push rod 14 is movably connected at the left side of the connecting strip 13 to push the push rod 14, so that the upper clamping ring 11 is folded downwards to brake, a dielectric plate 15 is fixedly connected above the base 1, the size of the dielectric plate 15 is not more than the distance between two metal plates 16, and the dielectric plate 15 is located between two metal plates 16, so that the two metal plates 16 move downwards synchronously, the capacitance changes, the metal plates 16 are movably connected to two sides of the dielectric plate 15, there are two metal plates 16, which are respectively a positive electrode plate and a negative electrode plate, there are two metal plates 16, the specifications of the two metal plates 16 are identical, and the electric charge is opposite, the outer side of the push rod 14 is movably connected with a connecting block 17, and one side of the connecting block 17 far away from the push rod 14 is movably connected with a top plate 18.

The working principle is that an output shaft of a motor is movably connected with a first rotary column 7, the motor is started to drive the first rotary column 7 to start rotating, a coiled water-soluble film is wrapped around the first rotary column 7, when the first rotary column 7 rotates, the film synchronously rotates to pack articles, the film is gradually consumed along with the progress of the packing, so that the whole weight of the film is reduced, a support rod 4 is positioned below the film and a spring is movably connected below the support rod 4, when the gravity of the film is reduced, the support rod 4 moves upwards, a rotary disc 5 is movably connected inside the support rod 4, so that the right end of the rotary disc 5 synchronously tilts upwards, the left end of the rotary disc 5 moves downwards, a support frame 3 is movably connected to one side of the rotary disc 5, which is far away from the support rod 4, so that the support frame 3 starts to move downwards, the metal plate 16 is movably connected below the supporting frame 3, so that the metal plate 16 synchronously moves downwards, and the dielectric plate 15 is fixedly connected between the two metal plates 16, so that the contact area between the metal plate 16 and the dielectric plate 15 is gradually increased.

When a roll of film is about to be used, the dead-against area of the electrolyte plate 15 and the metal plate 16 is increased, the number of the metal plates 16 is two, namely a positive electrode plate and a negative electrode plate, namely the dielectric constant epsilon is increased, the capacitance C of the positive electrode plate and the negative electrode plate is increased, the capacitance C is measured and analyzed through an external circuit, when the capacitance is increased, the surplus of the film is shown to exceed a preset value, and at the moment, an early warning is started to prompt a worker to replace the film in time.

The above structure and process are shown in fig. 1-2 and fig. 7-8.

After the film is used, reach the maximum value, bracing piece 4 rises to the peak this moment, the below swing joint of bracing piece 4 has roof 18, so make roof 18 shift up in step, swing joint has even piece 17 between roof 18 and the push rod 14, when roof 18 up-moving, can drive push rod 14 and move to the right, the right side swing joint of push rod 14 has connecting strip 13, so make connecting strip 13 move to the right in step, cooperation connecting rod 12, the use of upper clamp ring 11 and lower clamp ring 10, upper clamp ring 11 is inwards shrunk, live, thereby block first pivot post 7, make first pivot post 7 stop rotatory, avoid the machine to take place the idle running, cause the harm.

The above structure and process are shown in fig. 3-4, fig. 9-10 and fig. 4.

Attached:

A. as the positive-to-positive area of the dielectric plate 15 increases with the positive and negative electrode plates, the capacitance C increases, and the expression is as follows:

C=εS/4πkd

at this time, the dielectric constant ε is increased, and the facing area S is increased, that is, the capacitance C is increased.

B. When the dielectric plate 15 is restored to the normal position, the facing area S and the capacitance C are restored to normal values, and the expression is as follows:

C=εS/4πkd

at this time, the dielectric constant ε is restored to a predetermined value, that is, the dielectric constant ε is not changed, and the facing area S and the capacitance C are not changed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a can start film packaging machine of early warning and timely braking according to gravity change, includes base (1), its characterized in that: a supporting table (2) is fixedly connected above the base (1), a supporting frame (3) is movably connected inside the supporting table (2), a supporting rod (4) is movably connected above the supporting frame (3), a turntable (5) is movably connected between the supporting rod (4) and the supporting frame (3), a lantern ring (6) is movably connected above the supporting rod (4), a first rotary column (7) is movably connected inside the lantern ring (6), a second rotary column (8) is movably connected on the right side of the supporting table (2), a connecting block (9) is fixedly connected on the outer side of the first rotary column (7), a lower clamping ring (10) is movably connected inside the connecting block (9), an upper clamping ring (11) is movably connected on one side of the connecting block (9) far away from the lower clamping ring (10), a connecting rod (12) is movably connected between the lower clamping ring (10) and the upper clamping ring (11), and a connecting strip (13) is movably connected above the connecting, the left side of the connecting strip (13) is movably connected with a push rod (14), a dielectric plate (15) is fixedly connected above the base (1), metal plates (16) are movably connected to two sides of the dielectric plate (15), a connecting block (17) is movably connected to the outer side of the push rod (14), and a top plate (18) is movably connected to one side, away from the push rod (14), of the connecting block (17).

2. The film packaging machine capable of starting early warning and braking in time according to the change of gravity as claimed in claim 1, wherein: an alarm is fixedly connected below the bottom plate (1), and the alarm point of the alarm is related to the capacitance change between the electrolyte plate (15) and the metal plate (16).

3. The film packaging machine capable of starting early warning and braking in time according to the change of gravity as claimed in claim 1, wherein: the support frame (3) is designed to be concave, and the support frame (3) is symmetrically distributed by taking the central line of the support rod (4) as a reference.

4. The film packaging machine capable of starting early warning and braking in time according to the change of gravity as claimed in claim 1, wherein: the two turntables (5) are consistent in specification and symmetrically distributed by taking the center line of the support table (2) as a reference.

5. The film packaging machine capable of starting early warning and braking in time according to the change of gravity as claimed in claim 1, wherein: the support rods (4) are located in the center of the support platform (2), the number of the support rods (4) is two, and the two support rods (4) are located on the same horizontal plane.

6. The film packaging machine capable of starting early warning and braking in time according to the change of gravity as claimed in claim 1, wherein: the two metal plates (16) are provided, and the specifications of the two metal plates (16) are consistent and the charges are opposite.

7. The film packaging machine capable of starting early warning and braking in time according to the change of gravity as claimed in claim 1, wherein: the size of the dielectric plate (15) is not larger than the distance between the two metal plates (16), and the dielectric plate (15) is located between the two metal plates (16).