WO2020124924A1

WO2020124924A1 - System for detecting heat drying of sealing wax on end surfaces of batteries

Info

Publication number: WO2020124924A1
Application number: PCT/CN2019/084750
Authority: WO
Inventors: 梅华斌; 刘全胜; 石华; 聂庆明; 王海波
Original assignee: 无锡职业技术学院
Priority date: 2018-12-21
Filing date: 2019-04-28
Publication date: 2020-06-25
Also published as: CN109738803A; AU2019264593A1; CN109738803B; AU2019264593B2

Abstract

A system for detecting heat drying of sealing wax on end surfaces of batteries, comprising a rack (8), wherein fixed frames (17) are symmetrically arranged at the upper and lower ends of the rack (8); a sealing wax rotation shaft (19), a heat drying rotation shaft (21), a detection rotation shaft (5), a recheck rotation shaft (16) and an outlet rotation shaft (10) are arranged in sequence on the inner wall the two fixed frames (17) which is close to the rack (8); and a sealing wax turntable (20), a heat drying turntable (22), a detection turntable (3), a recheck turntable (2) and an outlet turntable (1) which correspond to the sealing wax rotation shaft (19), the heat drying rotation shaft (21), the detection rotation shaft (5), the recheck rotation shaft (16) and the outlet rotation shaft (10) are arranged on the outer wall close to the rack (8). In the present detection system, wax sealing at the ends of plastically sealed batteries may be achieved, so that the storage life and service life of the batteries are prolonged. The detection system may be mounted at disconnected positions of the batteries during a battery production process to form a production line which integrates production and detection, so that there is a high degree of automation. The detection turntable (3) and the recheck turntable (2) are employed to detect formed batteries, so that the detection efficiency is ensured and the occurence leak detection is avoided.

Description

Hot-dry detection system for sealing wax of battery end face

Technical field

The invention belongs to the technical field of automation equipment, and particularly relates to a heat-drying detection system for sealing wax on the battery end surface.

Background technique

A battery refers to a device that can convert chemical energy into electrical energy in a cup, tank, or part of a space in a container or composite container that contains an electrolyte solution and metal electrodes to generate electricity. With positive and negative points. With the advancement of technology, batteries generally refer to small devices that can generate electrical energy. Such as solar cells. The performance parameters of the battery mainly include electromotive force, capacity, specific energy and resistance. Using the battery as an energy source, you can get a current with a stable voltage, a stable current, a long-term stable power supply, and little influence from the outside world. The battery has a simple structure, is easy to carry, and is easy to charge and discharge. It is not affected by the outside climate and temperature. Influence, stable and reliable performance, play a great role in all aspects of modern social life. With the rapid development of electric vehicles and automobiles, the power supply on the vehicle has also developed rapidly, but there are many problems in the production of batteries, which causes the uneven quality of the battery products in the market, and the capacity of the battery. Can not reach the designed service life, which has a great relationship with the unique production process of the battery in production. The structure of the battery is composed of a case, an upper cover, an electrode plate, a separator, a bus bar, an electrode post, a bridge protection plate, a terminal and other components. Therefore, the battery must be tested during the production process.

At present, batteries generally need plastic sealing to prevent the outer skin from oxidizing and shorten the battery life. However, because the edge of the plastic package at the end of the battery is not protected by wax, it cannot further extend its storage life and service life; and, the existing battery testing equipment cannot complete accurate testing online during the battery production process, and there are many leaks. Batteries of low quality that have been inspected flow into the market, and inspection battery equipment often cannot work at the same time with the production line, wasting a lot of worker time, increasing the labor intensity of workers, and increasing production costs.

technical problem

Current battery testing equipment will have many batteries that are missed, and the battery testing equipment cannot be integrated with the production line.

Technical solution

A battery end surface sealing wax heat-drying detection system includes a frame, and the upper and lower ends of the frame are symmetrically provided with fixing frames, and the two fixing frames are provided with a sealing wax rotating shaft and a heat in turn near the inner wall of the frame Dry rotary shaft, detection rotary shaft, re-examination rotary shaft and exit rotary shaft, the outer wall close to the frame is provided with sealing wax rotary shaft, hot dry rotary shaft, hot dry rotary disk corresponding to the wax sealing rotary shaft, hot dry rotary shaft, detection rotary shaft, re-examination rotary shaft and exit rotary shaft, Test turntable, recheck turntable and export turntable;

The wax sealing turntable includes a wax liquid storage cavity with a heating wire and a support plate, the support plate has a ring of wax liquid extrusion ring gap, and a side of the wax liquid storage cavity has a wax liquid addition port, the wax liquid There is a head at the opening;

The hot-drying turntable includes a tray, and a circle of heating sheets and a supporting column located in the center and protrudingly arranged are installed at the bottom of the tray tray;

A driven belt reel is provided at an intermediate position of the detection rotating shaft, a rotating belt reel is provided at the intermediate position of the re-inspection rotating shaft, a belt ring is provided on an outer wall of the rotating belt reel, and the re-inspection rotating shaft is close to the rotating belt reel The outer wall of the outlet is provided with a detection shaft gear, the outlet shaft is provided with an outlet shaft gear near the outer wall of the detection shaft gear, the outer wall of the outlet turntable is provided with a positioning groove, and a large electromagnet is provided inside the outlet turntable. A positioning groove is provided on the outer wall of the turntable, and a small electromagnet is provided inside the rechecking turntable, a positioning groove is provided on the outer wall of the detecting turntable, and a battery delivery device is provided near the outer wall of the detecting turntable. The inner bottom surface is provided with a detection head.

As a further improvement of the above technical solution:

The center of the lower surface of the support plate is provided with a protruding support tube. The lower end of the support tube and the bottom surface of the wax storage cavity have a wax squeezing gap. The center of the support plate has a through hole penetrating from top to bottom. The through hole communicates with the support tube, and a pressure block is floatingly installed in the through hole, and a spring is installed between the bottom of the pressure block and the bottom of the wax liquid storage cavity.

The lower side wall of the wax liquid storage cavity is provided with a ring of soft squeeze ring, and the outer periphery of the wax liquid storage cavity near the soft squeeze ring is provided with a squeeze ring and a squeeze roller; A plurality of extrusion protrusions are provided on the inner wall of the extrusion ring at intervals.

The driven belt reel is connected to the rotating belt reel through a belt loop.

The outlet shaft and the recheck shaft are connected by gears.

The frame and the fixing frame are an integrated structure.

The detection head and the small electromagnet can form an electrical signal control connection.

The small electromagnet and the large electromagnet may form an electrical signal control connection.

Beneficial effect

The invention can be assembled easily because of its uncomplicated structure and not too many components. It can be installed at the unbroken position of the battery production process, forming a production line with integrated production and detection, with a high degree of automation, and the invention adopts two detection disks to detect and form The battery greatly guarantees the detection efficiency and avoids the occurrence of missed detection. The invention consists of two mechanisms: a power mechanism and a detection mechanism. The detection mechanism uses electrical signal control means without delaying the production speed; the invention uses a specific wax seal device. Realize the battery plastic cover and the wax seal at the bottom of the battery to prolong the service life of the battery; and the wax seal structure and the heat-dry structure are designed reasonably, cleverly, and have high working reliability.

BRIEF DESCRIPTION

Figure 1 is a top view of the present invention;

2 is a structural diagram of the turntable of the present invention;

Fig. 3 is a partial schematic diagram of the present invention.

4 is a schematic diagram of the structure of the heat-drying turntable in the present invention.

FIG. 5 is a schematic structural view of an extrusion ring in the present invention.

FIG. 6 is a partially enlarged view at A in FIG. 3.

Embodiments of the invention

The technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-3, the present invention provides the following technical solutions: The battery end surface sealing wax heat-drying detection system of this embodiment includes a frame 8, the upper and lower ends of the frame 8 are symmetrically provided with fixing frames 17, two The inner wall of the fixing frame 17 near the frame 8 is provided with a sealing wax rotating shaft 19, a heat-drying rotating shaft 21, a detection rotating shaft 5, a re-examination rotating shaft 16 and an outlet rotating shaft 10, and the outer wall near the frame 8 is provided with a sealing wax rotating shaft 19, a heat The dry rotary shaft 21, the detection rotary shaft 5, the re-check rotary shaft 16 and the exit rotary shaft 10 corresponding to the sealing wax turntable 20, the hot dry turntable 22, the test rotary disk 3, the recheck rotary disk 2 and the export rotary disk 1;

The sealing wax turntable 20 includes a wax liquid storage cavity 201 with a heating wire, and a support plate 202. The support disk 202 has a ring of wax liquid extrusion ring gap 203. One side of the wax liquid storage cavity 201 has a wax liquid addition port. A head 204 is provided at the addition port;

As shown in FIG. 5, the heat-drying turntable 22 includes a tray 221, and a circle of heating sheets 222 and a supporting pillar 223 located in the center are installed at the bottom of the tray 221; when the battery is placed on the tray 221, the heating sheets 222 The wax liquid at the end of the battery is subjected to low-temperature heat-drying treatment. Preferably, the heating temperature of the heating sheet 222 is controlled between 25-35 degrees Celsius, which can quickly dry the wax liquid, and can prevent the wax liquid from being softened by too high temperature; keeping the low temperature dry, the other purpose is to maintain the wax liquid A certain degree of softening can prevent defects caused by rapid cooling and drying, which results in separation of the wax and the plastic package at the bottom of the battery, resulting in poor sealing effect.

A driven belt reel 6 is provided in the middle position of the detection rotating shaft 5, a rotating belt reel 11 is provided in the middle position of the re-inspection rotating shaft 16, a belt loop 12 is provided on the outer wall of the rotating belt reel 11, and the re-inspection rotating shaft 16 is close to the rotating belt reel 11 The detection shaft gear 7 is provided on the outer wall, the outlet shaft 10 is provided with the outlet shaft gear 9 near the outer wall of the detection shaft gear 7, the positioning groove 15 is provided on the outer wall of the outlet carousel 1, and the large electromagnet 14 is provided inside the outlet carousel 1, The outer wall of the recheck turntable 2 is provided with a positioning groove 15, and the inside of the recheck turntable 2 is provided with a small electromagnet 13, the outer wall of the detection turntable 3 is provided with a positioning groove 15, and the fixing frame 17 is provided near the outer wall of the detection turntable 3 with battery delivery In the device 4, a detection head 18 is provided on the inner bottom surface of the positioning groove 15.

As shown in FIGS. 2 and 3, a center of the lower surface of the supporting plate 202 is provided with a protruding supporting tube 205. The lower end of the supporting tube 205 and the bottom surface of the wax storage cavity 201 have a wax squeezing gap 206. The supporting plate The center of 202 has a through hole penetrating from top to bottom, the through hole communicates with the support tube 205, and a pressing block 207 is floatingly installed in the through hole, and a spring 208 is installed between the bottom of the pressing block 207 and the bottom of the wax storage chamber 201. After the battery 100 is placed on the wax sealing tray 20, due to the weight of the battery 100, the pressing block 207 in the support tray 202 is pressed downward, and the wax fluid in the wax storage cavity 201 is squeezed by 207 to remove the wax fluid from the wax fluid. The extrusion ring 203 is extruded upward, and the wax liquid is smeared on the edge of the plastic packaging sleeve on the end face of the battery to realize wax sealing. The wax-sealed battery 100 is placed in the subsequent detection tray 3 and re-inspection tray 2 for the first detection and re-inspection. After the detection, the battery 100 is placed in the output carousel 1 for output.

As shown in FIG. 3, FIG. 5 and FIG. 6, preferably, the lower side wall of the wax storage cavity 201 is provided with a ring of soft squeeze ring 208, and the wax storage cavity close to the soft squeeze ring 208 A pressing ring 208 is provided on the outer periphery of 201 and a pressing roller 210 is installed; the inner wall of the pressing ring 208 is provided with a plurality of pressing protrusions 212 spaced apart from each other. The squeeze ring 208 is separated from the outer wall of the wax storage cavity 201 by a distance to prevent frictional interference.

When the wax storage cavity 201 and the squeeze ring 208 rotate relatively, the squeeze protrusion 212 squeezes the squeeze roller 210, thereby squeezing the elastic soft squeeze ring 208, and the soft squeeze ring 208 The internal wax liquid is squeezed together with the pressing block 207 to extrude the wax liquid from the wax liquid out of the annular gap 203.

As shown in FIG. 6, the fixing shafts at both ends of the squeeze roller 210 are placed in a sliding groove 214 protruding from the outer wall of the wax storage chamber 201 and protruding from the fixing block 213. The sliding groove 214 is also provided with a return spring 215.

In the present invention, preferably, the driven belt pulley 6 is connected to the rotating belt pulley 11 through a belt loop 12.

In order to keep the rotation speed consistent, in the present invention, it is preferable that the outlet rotary shaft 10 and the recheck rotary shaft 16 are gear meshed and connected.

In order to facilitate installation, the frame 8 and the fixing frame 17 are of an integrated structure.

For accuracy of detection, in the present invention, preferably, the detection head 18 and the small electromagnet 13 may form an electrical signal control connection.

For the accuracy of the detection and the normal operation of the detection work, in the present invention, preferably, the small electromagnet 13 and the large electromagnet 14 may form an electrical signal control connection.

The detection working principle and use process of the present invention: After the present invention is installed, the upper and lower ends of the rack 8 are symmetrically provided with fixing brackets 17 each, and the two fixing brackets 17 are provided with a detection rotating shaft 5 near the inner wall of the rack 8 for The detection disk provides power. The detection shaft 3 is provided at the end of the detection shaft 5 near the outer wall of the fixing frame 17, and the battery is detected for the first time. The two fixing frames 17 are provided with a re-detection rotation shaft 16 near the inner wall of the detection plate 3. 16 The end near the outer wall of the fixing frame 17 is provided with a recheck turntable 2 and the second detection location of the battery. The two fixing frames 17 are near the inner wall of the recheck rotating shaft 16 and are provided with an outlet rotating shaft 10 which is close to the end of the outer wall of the fixing frame 17 The outlet carousel 1 is provided, and the batteries that pass the test come out of the carousel 1, the unqualified intermediate flow is screened, the driven belt reel 6 is provided in the middle position of the detection shaft 5, and the rotation is set in the middle position of the recheck shaft 16 The belt reel 11 is provided with a belt ring 12 on the outer wall of the rotating belt reel 11, the re-inspection rotating shaft 16 is provided with a detection shaft gear 7 near the outer wall of the rotating belt plate 11, and the outlet shaft 10 is provided with an outlet shaft gear near the outer wall of the detection shaft gear 7 9. The outer wall of the outlet carousel 1 is provided with a positioning groove 15, both the detection carousel 3 and the recheck carousel 2 are provided with the same positioning groove 15, and the inside of the outlet carousel 1 is provided with a large electromagnet 14, and the outer wall of the recheck carousel 2 is provided A positioning groove 15 is provided, and a small electromagnet 13 is provided inside the recheck turntable 2, the large electromagnet 14 and the small electromagnet 13 can form an electrical signal, the outer wall of the detection turntable 3 is provided with a positioning groove 15, and the fixing frame 17 is close to the detection turntable The outer wall of 3 is provided with a battery delivery device 4, and a detection head 18 is provided on the inner bottom surface of the positioning groove 15.

In the present invention, the moving device of the battery from the detection turntable 3 to the recheck turntable 2 and from the recheck turntable 2 to the exit turntable 1 is the prior art. The present invention is not shown in the figure, and the gap type grabbing movement may be used.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention And variations, the scope of the present invention is defined by the appended claims and their equivalents.

Claims

A battery end surface sealing wax hot-drying detection system includes a frame (8), characterized in that: the upper and lower ends of the frame (8) are symmetrically provided with fixing frames (17) and two fixing frames (17) Close to the inner wall of the frame (8), a sealing wax rotating shaft (19), a heat-drying rotating shaft (21), a detecting rotating shaft (5), a re-checking rotating shaft (16) and an outlet rotating shaft (10) are arranged in order, close to the frame (8) The outer wall is provided with a sealing wax turntable (20) corresponding to the sealing wax rotating shaft (19), the heat-drying rotating shaft (21), the detecting rotating shaft (5), the rechecking rotating shaft (16) and the outlet rotating shaft (10) , Hot dry turntable (22), test turntable (3), recheck turntable (2) and export turntable (1);

The wax sealing turntable (20) includes a wax liquid storage cavity (201) with a heating wire, and a support plate (202). The support plate (202) has a ring of wax liquid extrusion ring gap (203). One side of the storage cavity (201) has a wax liquid addition port, and a sealing head (204) is provided at the wax liquid addition port;

The hot-drying turntable (22) includes a tray (221), and a circle of heating sheets (222) and a supporting column (223) provided in the center and protrudingly arranged are installed at the bottom of the tray (221);

A driven belt reel (6) is provided at an intermediate position of the detection rotating shaft (5), a rotating belt reel (11) is provided at an intermediate position of the re-inspection rotating shaft (16), and an outer wall of the rotating belt reel (11) A belt ring (12) is provided on the outer wall of the re-inspection rotating shaft (16) near the rotating belt pulley (11) is provided with a detecting rotating shaft gear (7), and the outlet rotating shaft (10) is close to the detecting rotating shaft gear (7) The outer wall is provided with an outlet shaft gear (9), the outer wall of the outlet carousel (1) is provided with a positioning groove (15), and the interior of the outlet carousel (1) is provided with a large electromagnet (14), the recheck carousel ( 2) A positioning groove (15) is provided on the outer wall, and a small electromagnet (13) is provided inside the recheck turntable (2), and a positioning groove (15) is provided on the outer wall of the detection turntable (3), which is fixed A battery delivery device (4) is provided on the outer wall of the rack (17) near the detection turntable (3), and a detection head (18) is provided on the inner bottom surface of the positioning groove (15).
The battery end surface sealing wax heat-dry detection system according to claim 1, characterized in that: a center of the lower surface of the support plate (202) is provided with a protruding support tube (205), the support tube (205) The lower end and the bottom surface of the wax liquid storage cavity (201) have a wax liquid squeezing gap (206), and the center of the support disk (202) has a through hole penetrating from top to bottom, the through hole and the support tube (205) Communicate, and a pressure block (207) is floatingly installed in the through hole, and a spring (208) is installed between the bottom of the pressure block (207) and the bottom of the wax storage chamber (201).
The battery end surface sealing wax heat-drying detection system according to claim 2, characterized in that: the lower side wall of the wax liquid storage chamber (201) is provided with a ring of soft squeeze ring (208) close to the soft An extrusion ring (208) is provided on the outer periphery of the wax storage cavity (201) of the extrusion ring (208) and an extrusion roller (210) is installed; the inner wall of the extrusion ring (208) is separated from the convex Multiple extrusion protrusions (212) are provided.
The battery end surface sealing wax heat-drying detection system according to claim 1, characterized in that the driven belt pulley (6) is connected to the rotating belt pulley (11) through a belt loop (12).
The battery end surface sealing wax heat-drying detection system according to claim 1, characterized in that the outlet rotation shaft (10) and the re-examination rotation shaft (16) are gear meshing connections.
The battery end surface sealing wax hot dry detection system according to claim 1, characterized in that the frame (8) and the fixing frame (17) are of an integrated structure.
The battery end surface sealing wax hot dry detection system according to claim 1, characterized in that: the detection head (18) and the small electromagnet (13) can form an electrical signal control connection.
The battery end surface sealing wax heat-dry detection system according to claim 1, characterized in that the small electromagnet (13) and the large electromagnet (14) can form an electrical signal control connection.