CN-120396377-B - Sealing device for lithium ion battery

CN120396377BCN 120396377 BCN120396377 BCN 120396377BCN-120396377-B

Abstract

The invention discloses a lithium ion battery sealing device, which relates to the technical field of lithium battery sealing, and comprises a lithium battery sealing device body, wherein the lithium battery sealing device body comprises a lap joint bottom plate, a pushing flow guide mechanism is fixedly arranged on the back surface of the lap joint bottom plate, a downward-pressing polymerization sealing unit is arranged on the top surface of the lap joint bottom plate, limiting sliding units are fixedly connected to the edge positions of the two sides of the top of the lap joint bottom plate, and a butt joint sealing positioning unit is arranged at one end of each limiting sliding unit. According to the invention, the lithium battery is placed in the clamping groove, the position of the lithium battery is limited, the lower pressing top plate is lowered by being matched with the lifter, the lower inclined groove on the outer side surface of the pushing closer is butted by being matched with the trapezoid pushing block on the bottom surface of the lower pressing top plate, so that the rolling pushing strip in the lithium battery is rolled, and the pushing closer is extruded to the middle by utilizing the radian of the trapezoid pushing block and the radian, so that the lithium battery is folded.

Inventors

JIA CHUNNING
Jiao Chengcheng
LI GAOYUN

Assignees

深圳恒熙诺科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250425

Claims (3)

1. The lithium ion battery sealing device is suitable for sealing a lithium battery and comprises a lithium battery sealing device body (1), wherein the lithium battery sealing device body (1) comprises a lap joint bottom plate (11), and is characterized in that a pushing flow guide mechanism (2) is fixedly arranged on the back surface of the lap joint bottom plate (11); The top surface of the lap joint bottom plate (11) is provided with a downward-pressing polymerization sealing unit, the edge positions of the two sides of the top of the lap joint bottom plate (11) are fixedly connected with a limit sliding unit, and one end of the limit sliding unit is provided with a butt joint sealing positioning unit; the pushing flow guiding mechanism (2) comprises a transmission sliding unit, and one end of the transmission sliding unit is provided with an extrusion limiting unit; The downward-pressing polymerization sealing unit comprises a lifter (12) fixedly arranged on the outer side surface of the top of the lap joint bottom plate (11), a downward-pressing top plate (13) is fixedly connected to the output end of the lifter (12), a processor (a 2) is fixedly connected to the bottom surface of the downward-pressing top plate (13), trapezoid pushing blocks (a 1) are fixedly connected to the two side surfaces of the processor (a 2), a polymerization diversion processing head (a 3) is fixedly arranged on the bottom surface of the processor (a 2), and a horn casing (a 4) is fixedly connected to the bottom surface of the polymerization diversion processing head (a 3); The limiting sliding unit comprises limiting strips (14) fixedly connected to the edge positions of the two sides of the top of the lap joint base plate (11), clamping limiting plates (15) are slidably lapped on the outer side surfaces of the limiting strips (14), a pushing closer (16) is fixedly connected to one end of each clamping limiting plate (15), and clamping grooves are formed in the center positions of the pushing closer (16) on the top surface of the lap joint base plate (11); The butt joint sealing positioning unit comprises a semicircular groove formed in the inner side surface of the pushing closer (16), an arc-shaped clamping plate (17) is fixedly connected to the inner side surface of the semicircular groove, and an elastic anti-slip strip (18) is fixedly connected to the outer side surface of the arc-shaped clamping plate (17); The transmission sliding unit comprises a casing (21) fixedly arranged on the outer side surface of the lap joint bottom plate (11), a rotator (27) is fixedly arranged on the inner side surface of the casing (21), a limiting plate (22) is fixedly connected on the inner side surface of the casing (21), threaded rods (23) are in threaded sleeve connection with the outer side surfaces of the casing (21) and the limiting plate (22), and threaded transmission teeth (28) are in threaded sleeve connection with the outer side surface of the threaded rods (23); The extrusion limiting unit comprises an arc limiting sleeve (24) movably sleeved on one end of a threaded rod (23), a swinging soft strip (25) is fixedly connected to one side surface of the arc limiting sleeve (24), and rolling soft blocks (26) are fixedly connected to the inner side surfaces of the swinging soft strip (25) and the arc limiting sleeve (24).
2. The lithium ion battery sealing device according to claim 1, wherein a guide strip (a 5) is fixedly connected to the inner side top surface of the horn casing (a 4), an arc-shaped polymerization grinding plate (a 6) is fixedly connected to the inner side wall surface of the polymerization guide processing head (a 3), and a heating shaping sealer (a 7) movably sleeved on the inner side surface of the polymerization guide processing head (a 3) is fixedly connected to the output end of the lower pressing top plate (13).
3. The lithium ion battery sealing device according to claim 1, wherein a downward inclined groove (19) is formed in the outer side surface of the pushing closer (16), a rolling pushing strip (110) is fixedly connected to the inner side surface of the downward inclined groove (19), fixing blocks (111) are fixedly connected to the edge positions of the two sides of the top of the lap joint bottom plate (11), and pull-back elastic wires (112) fixedly connected to the outer side surface of the pushing closer (16) are arranged at one end of each fixing block (111).

Description

Sealing device for lithium ion battery Technical Field The invention relates to the technical field of lithium battery sealing, in particular to a lithium ion battery sealing device. Background A lithium ion battery is a secondary battery (rechargeable battery) that operates mainly by means of lithium ions moving between a positive electrode and a negative electrode. In the charge and discharge process, li+ is inserted and removed back and forth between two electrodes, and since the electrified era, people depend on electricity from the use of one bulb to the aspects of life. The popularity of mobile devices in the 21 st century has led to an increasing demand for lithium batteries, which has forced people to seek various means to increase the production efficiency of lithium batteries, so as to satisfy the supply and demand relations of market economy. For example, CN105140569B is an automatic sealing machine for lithium battery, which comprises a punching machine, wherein a punch and a punch connecting plate are correspondingly arranged on the punch up and down, a battery conveying belt to be sealed and a sealed battery conveying belt are correspondingly arranged on the punch connecting plate in a rotating manner, an upper die and a lower die which are correspondingly arranged and matched up and down are arranged between the discharge end of the battery conveying belt to be sealed and the feed end of the sealed battery conveying belt, the upper die is connected with the punch, the lower die is positioned at the inner side of the discharge end of the battery conveying belt to be sealed, and a material pushing plate which can transversely move back and forth is arranged at the outer side of the discharge end of the battery conveying belt to be sealed. The following problems exist in the prior art: 1. The sealing procedure is an important link of lithium battery production, and is operated in a manual feeding and stamping mode in the traditional production mode, so that the operation is complex, and the problem of low production efficiency is caused; 2. Moreover, when the traditional battery is subjected to edge sealing punching, the punching machine is adopted for punching, a plurality of lithium battery pieces are punched for edge sealing for keeping the punching efficiency, and when the lithium battery is subjected to edge sealing, the punching machine is fully automatic, if the taking speed is not fast enough, the problem that staff is clamped and injured is easily caused. Disclosure of Invention The invention provides a lithium ion battery sealing device to solve the problems in the prior art. In order to solve the technical problems, the invention adopts the following technical scheme: The utility model provides a lithium ion battery sealing device, includes lithium battery sealing device body, lithium battery sealing device body includes the overlap joint bottom plate, fixed mounting has promotion water conservancy diversion mechanism on the back of overlap joint bottom plate. The top surface of the lap joint bottom plate is provided with a downward-pressing polymerization sealing unit, the edge positions of the two sides of the top of the lap joint bottom plate are fixedly connected with a limiting sliding unit, and one end of the limiting sliding unit is provided with a butt joint sealing positioning unit. The pushing flow guiding mechanism comprises a transmission sliding unit, and one end of the transmission sliding unit is provided with an extrusion limiting unit. The technical scheme of the lithium battery sealing device is further improved in that the downward-pressing polymerization sealing unit comprises a lifter fixedly arranged on the outer side surface of the top of the lap joint bottom plate, the downward-pressing top plate is lowered by being matched with the lifter, the downward-pressing top plate is fixedly connected to the output end of the lifter, the downward-inclined groove on the outer side surface of the pushing closer is abutted by being matched with a trapezoid pushing block on the bottom surface of the downward-pressing top plate, a processor is fixedly connected to the bottom surface of the downward-pressing top plate, the heating shaping sealing device is processed by the processor, the heating shaping sealing device is bonded and sealed by the processor, trapezoid pushing blocks are fixedly connected to the two side surfaces of the processor, the pushing closer is extruded to the middle by utilizing radian of the trapezoid pushing block and the trapezoid pushing block, the polymerization diversion processing head is fixedly arranged on the bottom surface of the processor, a loudspeaker is fixedly connected to the bottom surface of the polymerization diversion processing head, and the loudspeaker is matched with an edge sealing aluminum material and an outer side protective plastic film on the surface of the lithium battery. The technical scheme of the invention is further i