CN217586120U

CN217586120U - A tongs for battery utmost point crowd pressure detection

Info

Publication number: CN217586120U
Application number: CN202220999128.3U
Authority: CN
Inventors: 王玉; 陈军; 陆辉; 丁忠
Original assignee: Zhejiang Tianneng Automobile Battery Co ltd
Current assignee: Zhejiang Tianneng Automobile Battery Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-10-14
Anticipated expiration: 2032-04-26

Abstract

The utility model discloses a tongs for battery utmost point crowd pressure detection. The hand grip comprises a mounting seat, a pair of clamping plates for clamping the electrode group from two sides of the arrangement direction of the positive electrode plate and the negative electrode plate of the electrode group respectively, and a pressure sensor for detecting the pressure when the electrode group is clamped by the clamping plates. The gripper of the utility model uses the clamping plate to clamp the pole group, the contact area between the clamping plate and the pole group is large, and the detection precision is improved; the detection is carried out in a parallel plate surface mode, so that the detection consistency can be ensured; the signals of the pressure sensors can be stored through a computer system, then the pressure data are corresponding to the pole groups by recording the sequence of pole group transmission, and the pole groups with equivalent assembly pressure can be assembled into the same lead storage battery subsequently when being assembled, so that the difference among the cells of the same lead storage battery is as small as possible, and the performance of the lead storage battery is improved.

Description

A tongs for battery utmost point crowd pressure detection

Technical Field

The utility model relates to a lead accumulator makes technical field, especially relates to a tongs that is used for battery utmost point crowd pressure detection.

Background

The lead storage battery structurally comprises a battery jar and a polar group arranged in the battery jar, wherein the polar group comprises a plurality of positive plates and negative plates which are arranged alternately, and a partition plate is arranged between every two adjacent positive plates and negative plates. The assembly pressure of the pole groups has a direct effect on the cell performance.

At present, main host factories in the industry all require 100% full inspection of the assembly pressure of the battery single-grid electrode group, qualified battery single-grid electrode group enters the next procedure, unqualified battery is removed, the assembly pressure of the battery single-grid electrode group is required to be in one-to-one correspondence after the battery is loaded, no grid connection is allowed, and the tracing is convenient.

In the prior art, the pole group assembling pressure defect is as follows: 1. the method comprises the steps of only realizing detection of a single electrode group, having larger fluctuation of a test value due to different methods of operators and influencing judgment of technicians, 2, enabling the detected electrode group to be incapable of realizing one-to-one correspondence with battery cells due to manual operation, bringing certain difficulty to follow-up tracing, 3, being incapable of realizing automation and having low efficiency, 4, adopting a mode of detection perpendicular to the plate surface of the electrode group, and having larger fluctuation of the detection value if the pressure is unstable.

The utility model discloses an authorized bulletin number is CN 207081504U's utility model discloses an utmost point crowd assembly pressure on-line measuring appearance, including support body, mounting panel, a plurality of locating lever, pressure sensing module, clamp plate, lift cylinder, mark cylinder and mark head, be equipped with the lift cylinder on the crossbeam of support body and wear to be equipped with slidable connection's locating lever, the mounting panel is installed to the piston rod of lift cylinder and the lower extreme of locating lever, the lower extreme of mounting panel is equipped with pressure sensing module, pressure sensing module's lower extreme is equipped with the clamp plate, be equipped with the mark cylinder on the stand of support body, be equipped with the mark head of making the mark to utmost point crowd on the piston rod of mark cylinder. The technical scheme realizes the on-line automatic detection of the pressure of the polar group, but adopts the mode that the polar group is horizontally placed and is vertical to the plate surface of the polar group for detection.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the above-mentioned not enough that exists among the prior art, provide a tongs for storage battery utmost point crowd pressure detection, can realize that automatic detection and detection precision are more accurate.

The utility model provides a tongs for storage battery utmost point crowd pressure detection, utmost point crowd includes a plurality of alternate arrangement's positive plate and negative plate, is equipped with the baffle between adjacent positive plate and the negative plate, includes:

the mounting seat is provided with a mounting groove;

the pair of clamping plates are used for clamping the electrode groups from two sides of the arrangement direction of the positive and negative electrode plates of the electrode groups respectively, the tops of the clamping plates are provided with mounting parts, the mounting parts extend into the mounting grooves and are rotatably connected with the mounting seat through rotating shafts penetrating through the mounting parts, and the axial directions of the rotating shafts are perpendicular to the clamping direction of the clamping plates;

the driving mechanism is used for driving the clamping plate to rotate around the rotating shaft so as to clamp the pole group;

and the pressure sensor is used for detecting the pressure when the pole group is clamped by the clamping plates.

Preferably, the contact area of the clamping plates when clamping the electrode group accounts for more than 90% of the side surface area of the electrode group in the arrangement direction of the positive and negative electrode plates. The larger the contact area when the clamping plate clamps the pole group, the more accurate the pressure detection result of the pole group.

Preferably, the pivot is two that the level was arranged side by side, and splint are installed to every pivot, and the top of installation department still is equipped with the drive division, and the drive division opposite side of two splint is equipped with the spigot surface, actuating mechanism including can vertically go up and down, stretch into between the drive division of two splint and drive splint revolute pivot pivoted slider through the extrusion spigot surface. Preferably, the guide surface is a cambered surface or an inclined surface. The guide surface is preferably an arc surface, and the bottom surface and the side surface of the sliding block can also be arc surfaces, so that the sliding block is smoother when extruding the guide surface.

More preferably, the mounting base is provided with an air cylinder for driving the sliding block to vertically lift.

More preferably, the driving part includes a guide block having the guide surface, and a guide block mounting part integrally formed with the mounting part for detachably mounting the guide block.

More preferably, the pressure sensor is arranged facing the drive part on one of the clamping plates, and the pressure sensor faces the side of the drive part facing away from the guide surface.

Preferably, a return spring is arranged between the two clamping plates and below the mounting part. The return spring is used for keeping the two clamping plates in an open state when the driving mechanism retracts, and preparation is made for detection of the next pole group.

The utility model discloses a tongs for battery utmost point crowd pressure detection can vertically install when using and be used for detecting utmost point crowd assembly pressure on the assembly line, utmost point crowd needs vertical the placing, rotates by actuating mechanism drive splint and comes the centre gripping utmost point crowd, will utmost point crowd extrude the thickness of settlement when the splint centre gripping utmost point crowd, thickness when generally assembling the battery jar for utmost point crowd, then the pressure size when detecting the splint centre gripping utmost point crowd by pressure sensor to assembly pressure as utmost point crowd. The clamping plate is used for clamping the pole group, the contact area between the clamping plate and the pole group is large, and the detection precision is improved; the detection is carried out in a parallel plate surface mode (namely, the clamping plates vertically clamp the electrode group), so that the detection consistency can be ensured; the signals of the pressure sensors can be stored through a computer system, then the pressure data are corresponding to the pole groups by recording the sequence of pole group transmission, and the pole groups with equivalent assembly pressure can be assembled into the same lead storage battery subsequently when being assembled, so that the difference among the cells of the same lead storage battery is as small as possible, and the performance of the lead storage battery is improved.

Drawings

Fig. 1 is a perspective view of the gripper in an open state.

Fig. 2 is a side view of the hand grip in an open state.

Fig. 3 is a side view of the hand grip in a clamped state.

Fig. 4 is a schematic perspective view of the gripper clamping the pole group.

Fig. 5 is a schematic structural view of the gripper driving mechanism.

Fig. 6 is a partially enlarged view of a in fig. 5.

Fig. 7 is a schematic structural view of the splint.

Fig. 8 is a schematic structural view of another view of the splint.

Fig. 9 is a schematic structural view of the pressure sensor.

Reference numerals: the device comprises a pole group 1, a mounting seat 2, a mounting groove 3, a clamping plate 4, a mounting part 5, a rotating shaft 6, a pressure sensor 7, a guide block 8, a guide block mounting part 9, a guide surface 10, a sliding block 11, an air cylinder 12 and a return spring 13.

Detailed Description

The lead storage battery comprises a battery jar and a pole group 1 arranged in the battery jar, wherein the pole group 1 comprises a plurality of positive plates and negative plates which are alternately arranged, a partition plate is arranged between every two adjacent positive plates and negative plates, when the pole group 1 is assembled in the battery jar, the pole group 1 is pressed by the side wall of the battery jar and is called assembling pressure, and the assembling pressure has direct influence on the performance of the lead storage battery, so that the pole group generally needs to detect the pressure required when being compressed to a specific thickness after being assembled and before being put into the battery jar, and the specific thickness is the thickness of the pole group 1 after being assembled in the battery jar.

As shown in fig. 1 to 9, the gripper for detecting the pressure of the storage battery pole group comprises a mounting seat 2, wherein the mounting seat 2 is used for mounting related structures, and the gripper is also mounted on a corresponding position of a production line through the mounting seat 2 when in use. The mounting seat 2 is provided with a mounting groove 3.

The gripper comprises a pair of clamping plates 4 used for clamping the electrode groups 1 from the two sides of the arrangement direction of the positive electrode plates and the negative electrode plates of the electrode groups 1 respectively, the top parts of the clamping plates 4 are provided with mounting parts 5, the mounting parts 5 extend into the mounting grooves 3 and are rotatably connected with the mounting seats 2 through rotating shafts 6 penetrating through the mounting parts 5, and the axial directions of the rotating shafts 6 are perpendicular to the clamping direction of the clamping plates 4.

The contact area when the clamping plate 4 clamps the electrode group 1 accounts for more than 90% of the area of the side surface of the electrode group in the arrangement direction of the positive and negative plates, and the larger the contact area when the clamping plate 4 clamps the electrode group 1, the more accurate the pressure detection result of the electrode group 1.

The pivot 6 is two that the level was arranged side by side, installs a splint 4 on every pivot 6, and the top of installation department 5 still is equipped with the drive division, and the drive division is including the guide block 8 that has the spigot surface 10 to and with installation department 5 integrated into one piece, be used for detachably to install guide block 8's guide block installation department 9. The guide surfaces 10 of the clamping plates 4 are arranged opposite to each other.

The gripper further comprises a driving mechanism for driving the clamping plates 4 to rotate around the rotating shaft 6 so as to clamp the pole group 1, and the driving mechanism comprises a slide block 11 which can vertically lift and fall, extends between the driving parts of the two clamping plates 4 and drives the clamping plates 4 to rotate around the rotating shaft 6 by pressing the guide surface 10. And an air cylinder 12 for driving the sliding block 11 to vertically lift is arranged on the mounting base 2. The guide surface 10 is a curved surface or an inclined surface. The guide surface 10 is preferably a curved surface, and the bottom surface and the side surface of the slider 11 may also be curved surfaces, so that the slider 11 presses the guide surface 10 smoothly.

The rotating hand further comprises a pressure sensor 7 for detecting the pressure when the clamping plates 4 clamp the pole group 1, the pressure sensor 7 is arranged facing the driving part on one of the clamping plates 4, and the pressure sensor 7 faces the side of the driving part, which is away from the guide surface 10.

A return spring 13 is arranged between the two clamping plates 4 and below the mounting part 5. The return spring 13 is used to keep the two jaws 4 open when the drive mechanism is retracted, in preparation for the detection of the next pole group 1.

The utility model discloses a tongs for battery utmost point crowd pressure detection can vertically install when using and be used for detecting 1 assembly pressure of utmost point crowd on the assembly line, utmost point crowd 1 needs vertical the placing, rotate by actuating mechanism drive splint 4 and come centre gripping utmost point crowd 1, splint 4 centre gripping utmost point crowd 1 time will utmost point crowd 1 extrudees the thickness of settlement, thickness when generally assembling the battery jar for utmost point crowd 1, then the pressure size when detecting 4 centre gripping utmost point crowd 1 of splint by pressure sensor 7 to as the assembly pressure of utmost point crowd 1.

Claims

1. The utility model provides a tongs for storage battery utmost point crowd pressure detection, utmost point crowd includes a plurality of alternate arrangement's positive plate and negative plate, is equipped with the baffle between adjacent positive plate and the negative plate, its characterized in that includes:

the mounting seat is provided with a mounting groove;

2. The grip according to claim 1, wherein the contact area of the grip plates when gripping the electrode group is 90% or more of the area of the side surfaces of the electrode group in the direction in which the positive and negative electrode plates are arranged.

3. The gripper for detecting the pressure of the electrode group of the storage battery as claimed in claim 1, wherein the rotating shafts are two rotating shafts which are horizontally arranged side by side, each rotating shaft is provided with a clamping plate, the top of each mounting part is further provided with a driving part, the opposite side surfaces of the driving parts of the two clamping plates are provided with guide surfaces,

the driving mechanism comprises a slide block which can vertically lift, extend between the driving parts of the two clamping plates and drive the clamping plates to rotate around the rotating shaft by extruding the guide surfaces.

4. The hand grip for pressure detection of the storage battery pole group according to claim 3, wherein an air cylinder for driving the sliding block to vertically ascend and descend is arranged on the mounting seat.

5. The grip for battery pole group pressure detection as claimed in claim 3, wherein said driving portion includes a guide block having said guide surface, and a guide block mounting portion integrally formed with said mounting portion for detachably mounting said guide block.

6. The grip of claim 3 for pressure sensing of battery pole groups, wherein the pressure sensor is disposed facing the drive portion on one of the clamping plates, and the pressure sensor faces a side of the drive portion facing away from the guide surface.

7. The grip for pressure sensing of battery pole groups as claimed in claim 3, wherein the guide surface is a curved surface or an inclined surface.

8. The grip for pressure sensing of battery pole groups as claimed in claim 1, wherein a return spring is provided between the clamping plates below the mounting portion.