CN212136481U

CN212136481U - Seal head assembly

Info

Publication number: CN212136481U
Application number: CN202020896873.6U
Authority: CN
Inventors: 梁桂庆; 蒋世超
Original assignee: Super Components Engineering Dongguan Ltd
Current assignee: Super Components Engineering Dongguan Ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-12-11
Anticipated expiration: 2030-05-25

Abstract

The utility model belongs to the technical field of the packaging technique and specifically relates to indicate a head subassembly, including the base, connect in the heat insulating board of base, connect in the piece that generates heat of heat insulating board and connect in the head that generates heat, the head is non-closed polygon structure, the head encloses and establishes into the appearance chamber, the open slot has been seted up to at least one side section of head, the open slot is proclaimed oneself the concave one side of the nearly piece that generates heat of head and is established and form. The utility model discloses can once only encapsulate or the banding (for example: top seal and side seal etc.) to a plurality of peripheries of battery, improve the efficiency to the battery encapsulation widely, reduce the number of times that the battery shifted, improve the encapsulation precision, reduce the intensity of labour and the cost of encapsulation, reduce the use of driving source, reduce use cost and energy consumption.

Description

Seal head assembly

Technical Field

The utility model belongs to the technical field of the packaging technique and specifically relates to indicate a head subassembly.

Background

The lithium battery is a common small device for providing electric energy, and is widely applied to equipment such as mobile phones, notebook computers, automobile power, charging energy storage and the like. Along with the development of lithium batteries, aluminum plastic film soft package lithium batteries are applied more and more. The common flexible package lithium battery needs to adopt an aluminum-plastic film shell to carry out sealed package on a bare cell, so that the process of laminating and bonding the aluminum-plastic film and the sealant of the bare cell is needed in the production process of the flexible package lithium battery. The packaging of the aluminum plastic film shell of the lithium battery mainly comprises two steps: top seal and side seal. Among the prior art, lithium cell plastic-aluminum membrane shell encapsulation carries out the top through top seal equipment and side seal equipment in proper order and seals and the side, and two encapsulation technologies separately encapsulate, have prolonged the cycle of encapsulation, have reduced the efficiency of encapsulation, and need shift many times lithium cell plastic-aluminum membrane shell, have reduced the precision and the efficiency of encapsulation. Therefore, the drawbacks are obvious, and a solution is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, an object of the present invention is to provide a sealing head assembly, which can package or seal a plurality of peripheries of a battery at a time (e.g. top seal and side seal), thereby greatly improving the efficiency of packaging the battery, reducing the number of times of battery transfer, improving the packaging precision, reducing the labor intensity and cost of packaging, reducing the usage of a driving source, and reducing the usage cost and energy consumption.

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

the utility model provides a head subassembly, its includes the base, connect in the heat insulating board of base, connect in the piece that generates heat of heat insulating board and connect in the head that generates heat, the head is non-closed polygon structure, the head encloses and establishes into the appearance chamber, the open slot has been seted up to at least one side section of head, the open slot is closed the one side of the piece that generates heat of head and is established to form by the recess.

Furthermore, the head includes first straight edge section and the second straight edge section of being connected with first straight edge section, first straight edge section and second straight edge section contained angle set up.

Further, the included angle between the first straight section and the second straight section is 90 degrees.

Further, the head still includes first circular arc section, first straight edge section is connected with second straight edge section via first circular arc section.

Further, the head still includes the third straight edge section, the second straight edge section is kept away from the one end of first straight edge section and is connected with the third straight edge section, second straight edge section and third straight edge section contained angle set up.

Further, the head still includes the second circular arc section, the second straight edge section is connected with the third straight edge section via the second circular arc section.

Furthermore, the heating element comprises a heating plate connected to the heat insulation plate, a heating pipe arranged in the heating plate, and a thermocouple arranged on the heating plate.

Furthermore, the heating element also comprises a temperature controller, and the thermocouple and the heating pipe are electrically connected with the temperature controller.

Further, the end socket is of an integrated structure.

Furthermore, a parallelism adjusting mechanism is arranged between the heat insulation plate and the heating element.

The utility model has the advantages that: the utility model provides a head subassembly, its includes the base, connect in the heat insulating board of base, connect in the piece that generates heat of heat insulating board and connect in the head that generates heat, the head is non-closed polygon structure, the head encloses and establishes into the appearance chamber, the open slot has been seted up to at least one side section of head, the open slot is closed the one side of the piece that generates heat of head and is established to form by the recess. In this embodiment, the end enclosure assembly is installed in an encapsulation machine or an edge sealing machine to encapsulate or seal the periphery of a battery (an aluminum-plastic film casing coated with a battery core). The utility model has the advantages of simple and compact structure, can once only encapsulate or the banding (for example: top seal and side seal etc.) to a plurality of peripheries of battery, improved the efficiency to battery encapsulation widely, reduced the number of times that the battery shifts, improved the encapsulation precision, reduced the intensity of labour and the cost of encapsulation, reduced the use of driving source, reduced use cost and energy consumption.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of another perspective of the present invention.

Description of reference numerals:

11. a base; 12. a heat insulation plate; 13. a heat generating member; 131. a heat generating plate; 132. heating a tube; 133. a thermocouple; 14. sealing the end; 141. a first straight section; 142. a second straight side section; 143. a first arc segment; 15. a cavity; 16. an open slot; 161. a linear groove; 162. an arc groove; 17. a parallelism adjusting mechanism; 18. and (7) sealing the seat.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 and 2, the utility model provides a head assembly, it includes base 11, connects in base 11's heat insulating board 12, connects in heat insulating board 12 generate heat piece 13 and connect in generate heat piece 13 head 14, head 14 is the non-closed polygon structure, during the encapsulation, head 14 and plastic-aluminum membrane shell direct contact, head 14 encloses and establishes to have open-ended appearance chamber 15, at least one side section of head 14 has seted up open slot 16, open slot 16 is set up from head 14 near generating heat piece 13 one side concave, through setting up open slot 16 on head 14, is favorable to releasing the internal stress of head 14, can prevent that head 14 from expanding deformation and influencing the depth of parallelism of head 14 after heating for the depth of parallelism of head 14 obtains the guarantee; the seal head 14 is made of copper alloy or alloy steel; the insulation board 12 is made of a material with a relatively low thermal conductivity coefficient, so that heat loss or dissipation of the end socket 14 is prevented. In this embodiment, the end enclosure assembly is installed in an encapsulation machine or an edge sealing machine to encapsulate or seal the periphery of a battery (an aluminum-plastic film casing coated with a battery core). The utility model has the advantages of simple and compact structure, because the head is non-closed polygon structure, so can once only encapsulate or the banding (e.g. top seal and side seal etc.) to a plurality of peripheries of battery, improved the efficiency to the battery encapsulation widely, reduced the number of times that the battery shifted, improved the encapsulation precision, reduced the intensity of labour and the cost of encapsulation, reduced the use of driving source, reduced use cost and energy consumption.

Specifically, the sealing head 14 may be a regular non-closed polygonal structure, or a special-shaped non-closed polygonal structure.

In this embodiment, the seal head 14 includes a first straight section 141 and a second straight section 142 connected to the first straight section 141, the first straight section 141 and the second straight section 142 form an included angle, and the seal head 14 with this structural design can once encapsulate (top seal and side seal) the top edge and the side edge of the battery, and has high encapsulation efficiency and good encapsulation precision. Preferably, the included angle between the first straight section 141 and the second straight section 142 is 90 °, the end socket 14 further includes a first arc section 143, and the first straight section 141 is connected to the second straight section 142 via the first arc section 143. Of course, the angle between the first straight section 141 and the second straight section 142 can be selected according to the shape of the actual battery.

In this embodiment, the end socket 14 further includes a third straight-edge section, one end of the second straight-edge section 142, which is far away from the first straight-edge section 141, is connected to the third straight-edge section, and an included angle between the second straight-edge section 142 and the third straight-edge section is set, so that the end socket 14 is shaped like a Chinese character 'ji'.

In this embodiment, the sealing head 14 further includes a second circular arc section, and the second straight section 142 is connected with the third straight section through the second circular arc section, so that the sealing head 14 is U-shaped.

Specifically, the head assembly further comprises a sealing seat 18, the head 14 is arranged on the sealing seat 18, the head 14 is connected with the heating element 13 through the sealing seat 18, when the head 14 is disassembled, the sealing seat 18 is only required to be disassembled from the heating element 13, the head 14 is not required to be disassembled, and the probability of damage to the head 14 is reduced.

In this embodiment, the sealing temperature of the sealing head 14 is controlled in a closed loop, and the heating element 13 includes a heating plate 131 connected to the heat-insulating plate 12, a heating tube 132 embedded in the heating plate 131, and a thermocouple 133 mounted on the heating plate 131. The structure is designed, and the packaging temperature is stable; the heating tube 132 generates heat to raise the temperature of the heating plate 131, the heating plate 131 transfers the heat to the end socket 14, and the thermocouple 133 detects the temperature of the heating tube, the heating plate 131 or the end socket 14.

In this embodiment, the heating element 13 further includes a temperature controller, and the thermocouple 133 and the heating pipe 132 are electrically connected to the temperature controller. Specifically, the thermocouple 133 is electrically connected to an input end of the thermostat, and the heating pipe 132 is electrically connected to an output end of the thermostat. The heating temperature of the heating pipe 132 is controlled by the temperature controller, so that the temperature of the end socket 14 can be conveniently adjusted.

In this embodiment, head 14 is the integral type structure for head 14's structural stability is good, and long service life is convenient for produce and make.

In this embodiment, a parallelism adjusting mechanism 17 is arranged between the heat insulating plate 12 and the heating element 13, and the parallelism adjusting mechanism 17 adjusts the parallelism of the end enclosure 14, so that the contact surfaces of the upper end enclosure 14 and the lower end enclosure 14 work at the same parallelism, and the parallelism and the thickness of the sealing area after the battery is packaged are ensured.

Specifically, the parallelism adjusting mechanism 17 may be an adjusting screw, or a parallelism adjusting device in the prior art.

Specifically, the opening groove 16 includes a linear groove 161 and an arc groove 162 communicated with the linear groove 161, the linear groove 161 is formed by recessing from one side of the end enclosure 14, and one end of the linear groove 161, which is far away from the heating element 13, is communicated with the arc groove 162. This structural design is favorable to releasing the internal stress of head 14 for the depth of parallelism of head 14 after the heating obtains guaranteeing.

According to actual requirements, the open slot 16 is disposed on the first straight-side section 141, the second straight-side section 142, or/and the third straight-side section, or the open slot 16 is disposed on any two straight-side sections of the head 14.

Specifically, the base 11 is connected with the heat insulation board 12 through a fastener, the heat insulation board 12 is connected with the heating board 131 through a fastener, the heating board 131 is connected with the sealing seat 18 through a fastener, the sealing head 14 is connected with the sealing seat 18 through a fastener, or the sealing head 14 and the sealing seat 18 are integrally constructed.

Specifically, the cross-sectional shape of the base 11, the cross-sectional shape of the heat insulation plate 12 and the cross-sectional shape of the heat generating plate 131 are the same or similar to the cross-sectional shape of the end socket 14.

The seal head assembly can be used as an upper seal head assembly and a lower seal head assembly.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. A head subassembly which characterized in that: including the base, connect in the heat insulating board of base, connect in the piece that generates heat of heat insulating board and connect in the head that generates heat, the head is non-closed polygon structure, the head encloses and establishes into and holds the chamber, the open slot has been seted up to at least one side section of head, the open slot is from the concave one side of establishing of head proximity heating piece and forms.

2. A head assembly as claimed in claim 1, wherein: the seal head comprises a first straight section and a second straight section connected with the first straight section, and an included angle is formed between the first straight section and the second straight section.

3. A head assembly as claimed in claim 2, wherein: the included angle between the first straight section and the second straight section is 90 degrees.

4. A head assembly as claimed in claim 2, wherein: the seal head further comprises a first arc section, and the first straight section is connected with the second straight section through the first arc section.

5. A head assembly as claimed in claim 2 or 4, wherein: the head still includes the third straight edge section, the one end that first straight edge section was kept away from to the second straight edge section is connected with the third straight edge section, second straight edge section and third straight edge section contained angle set up.

6. A head assembly as claimed in claim 5, wherein: the head still includes the second circular arc section, the second straight edge section is connected with the third straight edge section via the second circular arc section.

7. A head assembly as claimed in claim 1, wherein: the heating element comprises a heating plate connected with the heat insulation plate, a heating pipe arranged in the heating plate and a thermocouple arranged on the heating plate.

8. A head assembly as claimed in claim 7, wherein: the heating element also comprises a temperature controller, and the thermocouple and the heating pipe are electrically connected with the temperature controller.

9. A head assembly as claimed in claim 1, wherein: the seal head is of an integrated structure.

10. A head assembly as claimed in claim 1, wherein: and a parallelism adjusting mechanism is arranged between the heat insulation plate and the heating piece.