CN112803097B

CN112803097B - To manual capper of soft packet of lithium cell plastic-aluminum membrane of improved generation

Info

Publication number: CN112803097B
Application number: CN202110008681.6A
Authority: CN
Inventors: 汤留俊
Original assignee: Nantong Dingxin Battery Co ltd
Current assignee: Nantong Dingxin Battery Co ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2022-01-14
Anticipated expiration: 2041-01-05
Also published as: CN112803097A

Abstract

The invention discloses an improved manual sealing machine for a soft package lithium battery aluminum plastic film, which comprises a sealing machine body and a PLC (programmable logic controller), wherein the PLC is arranged on the front end face of the sealing machine body, a display is arranged above the PLC, a timer is arranged on the right side of the display, a sealing cylinder is arranged inside the sealing machine body, the lower end of the sealing cylinder is connected with a sealing connecting plate, an adjusting plate is arranged on the left side of the sealing connecting plate, an adjusting slide block is arranged on the surface of the adjusting plate, an adjusting guide rail is arranged outside the adjusting slide block, the lower end of the sealing connecting plate is connected with a support column, and an adjusting top plate is arranged at the lower end of the support column. This manual capper of soft packet of lithium cell plastic-aluminum membrane to an improved generation can replace traditional sharp guide pillar structure through the adjusting block who sets up and regulation guide rail, improves the precision, can carry on spacingly to the removal that seals the connecting plate simultaneously, and the device is more stable.

Description

To manual capper of soft packet of lithium cell plastic-aluminum membrane of improved generation

Technical Field

The invention relates to the technical field of sealing machines, in particular to an improved manual sealing machine for an aluminum plastic film of a soft package lithium battery.

Background

The simple edge bonding machine is widely used in the production engineering of the soft package lithium battery, and the aluminum-plastic film is pressurized by utilizing the copper bars heated up and down, so that the inner layer of the aluminum-plastic film is bonded and fused together. The thickness of the aluminum plastic film edge sealing in the field of lithium batteries is particularly important for the stability of the batteries: the thickness is thick, so that air leakage and electrolyte leakage are easy to cause; and the thickness is too low, and the aluminum plastic film adhesive layer is over-melted, so that short circuit and corrosion are caused.

Current capper, precision error is big, adjusts the difficulty, hardly with the control of aluminum-plastic film thickness deviation in the within range to use single cylinder control sealing pressure, the seal of both sides is unbalanced, can not be fine satisfy people's user demand, to above-mentioned condition, we provide to the manual capper of soft packet of lithium cell plastic-aluminum membrane of improved generation.

Disclosure of Invention

The invention aims to provide an improved manual sealing machine for an aluminum-plastic film of a soft-package lithium battery, and aims to solve the problems that the existing sealing machine provided in the background art is large in precision error and difficult to adjust, the thickness deviation of the aluminum-plastic film is difficult to control within a range, sealing pressure is controlled by using a single air cylinder, sealing on two sides is unbalanced, and the use requirements of people cannot be well met.

In order to achieve the purpose, the invention provides the following technical scheme: aiming at an improved manual aluminum-plastic film sealing machine for a soft package lithium battery, which comprises a sealing machine body and a PLC (programmable logic controller), wherein the front end face of the sealing machine body is provided with the PLC, a display is arranged above the PLC, a timer is arranged on the right side of the display, a sealing cylinder is arranged inside the sealing machine body, the lower end of the sealing cylinder is connected with a sealing connecting plate, the left side of the sealing connecting plate is provided with an adjusting plate, the surface of the adjusting plate is provided with an adjusting slider, the outside of the adjusting slider is provided with an adjusting guide rail, the lower end of the sealing connecting plate is connected with a support column, the lower end of the support column is provided with an adjusting top plate, the lower end of the adjusting top plate is connected with a connecting plate, the lower end of the connecting plate is provided with an upper sealing head, the lower sealing head is arranged below the upper sealing head, and a bottom plate is arranged below the lower sealing head, the left sides of upper cover and low head all are provided with temperature sensor, and the surface of upper cover and low head all is provided with the heat conduction copper bar, the inside of heat conduction copper bar is provided with the heating pipe, and the surface of heating pipe is provided with the heating wire, the inside of adjusting the roof is provided with the screw hole, and the inside of screw hole is provided with adjusting screw, the surface of upper cover is provided with the bevel protractor, and the inside of bevel protractor is provided with horizontal rotating shaft, horizontal rotating shaft's lower extreme is connected with the instruction arrow point, the inside of connecting plate is provided with distance sensor.

Preferably, the heating pipe runs through the heating wire, a spiral structure is formed between the heating pipe and the heating wire, and the heating pipe is fixedly connected with the heat conducting copper bar.

Preferably, the heat conducting copper strips are fixedly connected with the lower end enclosure and the upper end enclosure, T-shaped structures are formed among the heat conducting copper strips, the lower end enclosure and the upper end enclosure, and the lower end enclosure and the upper end enclosure are parallel to each other.

Preferably, the adjusting plate forms a sliding structure through the adjusting slide block and the adjusting guide rail and the sealing machine body, the adjusting slide block is matched with the adjusting guide rail in overall dimension, and a semi-surrounding structure is formed between the sealing machine body and the adjusting plate.

Preferably, the regulating plate and seal and constitute T font structure between the connecting plate, and seal the connecting plate and constitute extending structure through sealing between cylinder and the capper fuselage to seal the cylinder and be parallel to each other between connecting plate and the bottom plate about the mutual symmetry of vertical central line of capper fuselage simultaneously.

Preferably, the vertical central line of the lower end enclosure and the vertical central line of the upper end enclosure coincide with each other, the lower end enclosure is fixedly connected with the bottom plate, and the temperature sensor is fixedly connected with the lower end enclosure and the upper end enclosure.

Preferably, the screw hole runs through the inside of adjusting top plate and connecting plate, and the adjusting top plate passes through the screw hole, adjusting screw and is threaded connection between connecting plate and the upper cover, and adjusting screw runs through the inside of screw hole, is fixed connection between connecting plate and the distance sensor simultaneously.

Preferably, adjusting screw along the inside equidistance evenly distributed of adjusting the roof, and adjusting screw runs through in the inside of upper cover, the support column is along the lower terminal surface equidistance evenly distributed that seals the connecting plate.

Preferably, the indicating arrow head forms a rotating structure with the upper end enclosure through the horizontal rotating shaft, the angle ruler is in adhesive connection with the upper end enclosure, and the indicating arrow head is perpendicular to the upper end enclosure.

Preferably, the PLC controller is electrically connected with the display and the heating pipe through wires, and the PLC controller is electrically connected with the temperature sensor, the timer and the distance sensor through wires.

Compared with the prior art, the invention has the following beneficial effects:

1. the heating pipe can heat the heat-conducting copper bar, so that the inner layer of the aluminum-plastic film is glued and melted together, the soft-package lithium battery is sealed, and the heating pipe and the heating wire are combined for use, so that the heating rate is improved;

2. the soft package lithium battery can be pressurized by the lower sealing head and the upper sealing head, and meanwhile, the T-shaped structure can reduce the contact area between the soft package lithium battery and the heat conducting copper strip, so that the heating points of the soft package lithium battery are more concentrated by the heat conducting copper strip, and the sealing effect is improved; the traditional linear guide pillar structure can be replaced by the adjusting slide block and the adjusting guide rail, so that the precision is improved, meanwhile, the movement of the sealing connecting plate can be limited, and the device is more stable;

3. the two groups of sealing cylinders replace the traditional single cylinder setting, and the sealing cylinders can act on two sides of the soft package lithium battery simultaneously, so that the sealing pressure is more balanced; the temperature of the heat-conducting copper bar can be monitored in real time through the arranged temperature sensor, so that the temperature of the end socket can be controlled, the accurate temperature control of the end socket is realized, and the phenomenon of over-melting of the inner layer of the aluminum-plastic film is avoided;

4. the height of the upper end enclosure can be adjusted through the arranged adjusting screw, so that the edge sealing thickness of the aluminum-plastic film can be controlled, and the phenomenon that air leakage and electrolyte leakage are easily caused due to the thick edge sealing thickness or short circuit and corrosion are caused due to the fact that the aluminum-plastic film adhesive layer is excessively molten due to the low thickness is avoided; the upper sealing head can be connected with the adjusting screw, so that the height of the upper sealing head is adjusted;

5. the upper end enclosure can rotate under the action of gravity through the arranged indicating arrow, whether the upper end enclosure is parallel to the ground or not can be judged according to the numerical value on the pointing angle ruler, and the parallelism of the upper end enclosure can be adjusted, so that the edge sealing thickness of the aluminum-plastic film is better controlled; through the timer that sets up, can cooperate with the PLC controller, and then control seals the time, and distance sensor can accurately judge the distance between upper cover and the connecting plate simultaneously.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the internal structure of the heat conducting copper strip of the present invention;

FIG. 3 is a schematic top view of the adjusting plate of the present invention;

FIG. 4 is a schematic side view of the top adjusting plate according to the present invention;

FIG. 5 is a schematic side view of the sealing cylinder of the present invention;

FIG. 6 is a schematic view of the workflow of the present invention;

in the figure: 1. a sealing machine body; 2. sealing the cylinder; 3. a sealing connecting plate; 4. adjusting the top plate; 5. an upper end enclosure; 6. a thermally conductive copper bar; 7. a lower end enclosure; 8. a base plate; 9. a temperature sensor; 10. a PLC controller; 11. a display; 12. a timer; 13. an adjusting plate; 14. heating a tube; 15. an electric heating wire; 16. adjusting the sliding block; 17. adjusting the guide rail; 18. an adjusting screw; 19. screw holes; 20. a distance sensor; 21. an angle ruler; 22. an arrow is indicated; 23. a connecting plate; 24. a support pillar; 25. a horizontal rotating shaft.

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. 1-6, the present invention provides a technical solution: aiming at an improved manual sealing machine for soft package lithium battery aluminum plastic films, which comprises a sealing machine body 1 and a PLC (programmable logic controller) 10, wherein the PLC 10 is arranged on the front end face of the sealing machine body 1, a display 11 is arranged above the PLC 10, a timer 12 is arranged on the right side of the display 11, a sealing cylinder 2 is arranged inside the sealing machine body 1, the lower end of the sealing cylinder 2 is connected with a sealing connecting plate 3, an adjusting plate 13 is arranged on the left side of the sealing connecting plate 3, an adjusting slider 16 is arranged on the surface of the adjusting plate 13, an adjusting guide rail 17 is arranged outside the adjusting slider 16, the lower end of the sealing connecting plate 3 is connected with a support column 24, an adjusting top plate 4 is arranged at the lower end of the support column 24, a connecting plate 23 is connected at the lower end of the adjusting top plate 4, an upper sealing head 5 is arranged at the lower end of the connecting plate 23, a lower sealing head 7 is arranged below the upper sealing head 5, and a bottom plate 8 is arranged below the lower sealing head 7, the left sides of upper cover 5 and low head 7 all are provided with temperature sensor 9, and the surface of upper cover 5 and low head 7 all is provided with heat conduction copper bar 6, the inside of heat conduction copper bar 6 is provided with heating pipe 14, and the surface of heating pipe 14 is provided with heating wire 15, the inside of adjusting roof 4 is provided with screw hole 19, and the inside of screw hole 19 is provided with adjusting screw 18, the surface of upper cover 5 is provided with bevel protractor 21, and bevel protractor 21's inside is provided with horizontal rotating shaft 25, horizontal rotating shaft 25's lower extreme is connected with instruction arrow 22, the inside of connecting plate 23 is provided with distance sensor 20.

In the invention: the heating pipe 14 penetrates through the heating wire 15, a spiral structure is formed between the heating pipe 14 and the heating wire 15, and the heating pipe 14 is fixedly connected with the heat-conducting copper bar 6; through the heating pipe 14 that sets up, can heat conduction copper bar 6 to glue the inlayer with the plastic-aluminum membrane and melt together, seal soft packet of lithium cell, and heating pipe 14 uses with 15 combinations of heating wire, improves rate of heating.

In the invention: the heat conducting copper strips 6 are fixedly connected with the lower end enclosure 7 and the upper end enclosure 5, T-shaped structures are formed among the heat conducting copper strips 6, the lower end enclosure 7 and the upper end enclosure 5, and the lower end enclosure 7 is parallel to the upper end enclosure 5; through the low head 7 and the upper cover 5 that set up, can be to soft packet of lithium cell generated pressure, T font structure simultaneously can reduce the area of contact between soft packet of lithium cell and the heat conduction copper bar 6, makes heat conduction copper bar 6 more concentrate soft packet of lithium cell heating point, improves and seals the effect.

In the invention: the adjusting plate 13 forms a sliding structure with the sealing machine body 1 through an adjusting slide block 16 and an adjusting guide rail 17, the appearance sizes of the adjusting slide block 16 and the adjusting guide rail 17 are matched, and a semi-enclosed structure is formed between the sealing machine body 1 and the adjusting plate 13; through the adjusting slide block 16 and the adjusting guide rail 17 that set up, can replace traditional sharp guide pillar structure, improve the precision, can carry on spacingly to the removal that seals connecting plate 3 simultaneously, the device is more stable.

In the invention: a T-shaped structure is formed between the adjusting plate 13 and the sealing connecting plate 3, the sealing connecting plate 3 forms a telescopic structure with the sealing machine body 1 through the sealing cylinder 2, the sealing cylinders 2 are mutually symmetrical about the vertical central line of the sealing machine body 1, and the sealing connecting plate 3 is mutually parallel to the bottom plate 8; two sets of cylinders 2 that seal through setting up replace traditional single cylinder to set for, seal the both sides that cylinder 2 can act on soft packet of lithium cell simultaneously, make seal pressure more balanced.

In the invention: the vertical center line of the lower end enclosure 7 and the vertical center line of the upper end enclosure 5 are overlapped, the lower end enclosure 7 is fixedly connected with the bottom plate 8, and the temperature sensor 9 is fixedly connected with the lower end enclosure 7 and the upper end enclosure 5; through the temperature sensor 9 that sets up, can carry out real-time supervision to the temperature of heat conduction copper bar 6 to can control the temperature of head, realize the accurate accuse temperature of head, avoid taking place the inlayer of plastic-aluminum membrane and cross the phenomenon of melting.

In the invention: the screw hole 19 penetrates through the adjusting top plate 4 and the connecting plate 23, the adjusting top plate 4 is in threaded connection with the upper end enclosure 5 through the screw hole 19, the adjusting screw 18 and the connecting plate 23, the adjusting screw 18 penetrates through the screw hole 19, and meanwhile the connecting plate 23 is in fixed connection with the distance sensor 20; through the adjusting screw 18 that sets up, can adjust the height of upper cover 5, and then can control the banding thickness of plastic-aluminum membrane, avoid banding thickness to lead to gas leakage, electric leakage electrolyte easily, perhaps thickness is low excessively, and the plastic-aluminum membrane glue film is crossed to melt, causes short circuit, corruption.

In the invention: the adjusting screws 18 are uniformly distributed along the inner part of the adjusting top plate 4 at equal intervals, the adjusting screws 18 penetrate through the inner part of the upper end enclosure 5, and the supporting columns 24 are uniformly distributed along the lower end face of the sealing connecting plate 3 at equal intervals; the adjusting screw 18 can be connected with the upper end enclosure 5, so that the height of the upper end enclosure 5 can be adjusted.

In the invention: an indication arrow 22 forms a rotating structure with the upper end enclosure 5 through a horizontal rotating shaft 25, the angle ruler 21 is in adhesive connection with the upper end enclosure 5, and the indication arrow 22 is perpendicular to the upper end enclosure 5; through the instruction arrow point 22 that sets up, can rotate under the action of gravity, can judge whether parallel with ground upper cover 5 according to the numerical value on directional bevel protractor 21, can adjust the depth of parallelism of upper cover 5 to better control plastic-aluminum membrane banding thickness.

In the invention: the PLC 10 is electrically connected with the display 11 and the heating pipe 14 through leads, and the PLC 10 is electrically connected with the temperature sensor 9, the timer 12 and the distance sensor 20 through leads; through the timer 12 that sets up, can cooperate with PLC controller 10, and then control the time of sealing, distance sensor 20 simultaneously can accurately judge the distance between upper cover 5 and the connecting plate 23.

This theory of operation to soft packet of lithium cell plastic-aluminum membrane manual capper of improved generation: firstly, placing a soft package lithium battery between an upper end enclosure 5 and a lower end enclosure 7, electrifying a heating pipe 14 in a heat conduction copper bar 6, heating the heating pipe 14 and a heating wire 15 at the moment, monitoring the temperatures of the upper end enclosure 5 and the lower end enclosure 7 in real time by a temperature sensor 9 (model: TMP175AIDGKT), transmitting data to a PLC (programmable logic controller) 10 through an electric signal, displaying the temperature data by the PLC 10, and then screwing an adjusting screw 18; secondly, the adjusting screw 18 rotates in the screw hole 19 to push the upper end enclosure 5 to move downwards, at the moment, the distance between the upper end enclosure 5 and the connecting plate 23 is increased, an indicating arrow 22 at the front end of the upper end enclosure 5 rotates on the horizontal rotating shaft 25 under the action of gravity, when the indicating arrow 22 points to the lowest end of the angle ruler 21, the upper end enclosure 5 is parallel to the connecting plate 23, and if the upper end enclosure 5 is not flat, the adjusting screw 18 in the direction opposite to the indicating arrow 22 can be screwed to adjust the upper end enclosure 5; secondly, at the moment, the distance sensor 20 (model: ADA4571BRZ) monitors the distance between the upper seal head 5 and the connecting plate 23 in real time, a data value is transmitted to the PLC 10, the PLC 10 displays the distance data, and the sealing cylinder 2 is started after the appropriate distance and the temperature reach the appropriate temperature; then, the sealing cylinder 2 pushes the sealing connecting plate 3 to move downwards, at the moment, the sealing connecting plate 3 slides in the adjusting guide rail 17 through the adjusting slide block 16 on the adjusting plate 13, the upper sealing head 5 is pushed to press downwards, and pressure is applied to the soft package lithium battery, so that the soft package lithium battery is sealed at a high temperature; finally, the time of sealing can be transmitted to the PLC 10 in real time through a timer 12 (model: OHR-B100), when the time reaches the preset time, the PLC 10 sends a signal to the heating pipe 14, the heating pipe 14 is powered off, heat supply cannot be continued, meanwhile, the sealing cylinder 2 drives the sealing connecting plate 3 to move upwards, and the sealing of the soft package lithium battery is finished.

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. To a manual capper of soft packet of lithium cell plastic-aluminum membrane of improved generation, including capper fuselage (1) and PLC controller (10), its characterized in that: the sealing machine comprises a sealing machine body (1), wherein a PLC (programmable logic controller) (10) is arranged on the front end face of the sealing machine body (1), a display (11) is arranged above the PLC (10), a timer (12) is arranged on the right side of the display (11), a sealing cylinder (2) is arranged inside the sealing machine body (1), a sealing connecting plate (3) is connected to the lower end of the sealing cylinder (2), an adjusting plate (13) is arranged on the left side of the sealing connecting plate (3), an adjusting slider (16) is arranged on the surface of the adjusting plate (13), an adjusting guide rail (17) is arranged outside the adjusting slider (16), a supporting column (24) is connected to the lower end of the sealing connecting plate (3), an adjusting top plate (4) is arranged at the lower end of the supporting column (24), a connecting plate (23) is connected to the lower end of the adjusting top plate (4), and an upper end enclosure (5) is arranged at the lower end of the connecting plate (23), a lower end enclosure (7) is arranged below the upper end enclosure (5), a bottom plate (8) is arranged below the lower end enclosure (7), temperature sensors (9) are arranged on the left sides of the upper end enclosure (5) and the lower end enclosure (7), heat-conducting copper bars (6) are arranged on the surfaces of the upper end enclosure (5) and the lower end enclosure (7), heating pipes (14) are arranged inside the heat-conducting copper bars (6), heating wires (15) are arranged on the outer surfaces of the heating pipes (14), screw holes (19) are arranged inside the adjusting top plate (4), adjusting screws (18) are arranged inside the screw holes (19), an angle ruler (21) is arranged on the surface of the upper end enclosure (5), a horizontal rotating shaft (25) is arranged inside the angle ruler (21), an indicating arrow (22) is connected to the lower end of the horizontal rotating shaft (25), a distance sensor (20) is arranged inside the connecting plate (23), screw hole (19) run through in the inside of adjusting roof (4) and connecting plate (23), and adjust roof (4) and pass through screw hole (19), adjusting screw (18) and connecting plate (23) and be threaded connection between upper cover (5), and adjusting screw (18) run through in the inside of screw hole (19), be fixed connection between connecting plate (23) and distance sensor (20) simultaneously, indicate arrow point (22) to constitute revolution mechanic through between horizontal pivot (25) and upper cover (5), and be adhesive connection between angle square (21) and upper cover (5), and indicate mutually perpendicular between arrow point (22) and upper cover (5).

2. The manual sealing machine for the improved soft-package lithium battery aluminum plastic film according to claim 1 is characterized in that: the heating pipe (14) penetrates through the heating wire (15), a spiral structure is formed between the heating pipe (14) and the heating wire (15), and the heating pipe (14) is fixedly connected with the heat conduction copper bar (6).

3. The manual sealing machine for the improved soft-package lithium battery aluminum plastic film according to claim 1 is characterized in that: the heat conducting copper strips (6) are fixedly connected with the lower end enclosure (7) and the upper end enclosure (5), T-shaped structures are formed among the heat conducting copper strips (6), the lower end enclosure (7) and the upper end enclosure (5), and the lower end enclosure (7) and the upper end enclosure (5) are parallel to each other.

4. The manual sealing machine for the improved soft-package lithium battery aluminum plastic film according to claim 1 is characterized in that: adjusting plate (13) constitute sliding construction through adjusting between slider (16) and regulation guide rail (17) and capper fuselage (1), and adjust slider (16) and adjust the overall dimension identical of guide rail (17) to constitute half enclosed construction between capper fuselage (1) and adjusting plate (13).

5. The manual sealing machine for the improved soft-package lithium battery aluminum plastic film according to claim 1 is characterized in that: regulating plate (13) and seal and constitute T font structure between connecting plate (3), and seal connecting plate (3) and constitute extending structure through sealing between cylinder (2) and capper fuselage (1) to seal cylinder (2) and be parallel to each other between connecting plate (3) and bottom plate (8) about the mutual symmetry of vertical central line of capper fuselage (1) simultaneously.

6. The manual sealing machine for the improved soft-package lithium battery aluminum plastic film according to claim 1 is characterized in that: the vertical center line of the lower end enclosure (7) and the vertical center line of the upper end enclosure (5) are overlapped, the lower end enclosure (7) is fixedly connected with the bottom plate (8), and the temperature sensor (9) is fixedly connected with the lower end enclosure (7) and the upper end enclosure (5).

7. The manual sealing machine for the improved soft-package lithium battery aluminum plastic film according to claim 1 is characterized in that: adjusting screw (18) are along the inside equidistance evenly distributed of adjusting roof (4), and adjusting screw (18) run through in the inside of upper cover (5), support column (24) are along the lower terminal surface equidistance evenly distributed of sealing connecting plate (3).

8. The manual sealing machine for the improved soft-package lithium battery aluminum plastic film according to claim 1 is characterized in that: the PLC controller (10) is electrically connected with the display (11) and the heating pipe (14) through wires, and the PLC controller (10) is electrically connected with the temperature sensor (9), the timer (12) and the distance sensor (20) through wires.