CN216213800U - Power battery positioning device - Google Patents

Abstract

The utility model relates to a power battery positioning device, which comprises a workbench for welding a power battery, a bottom plate is arranged on the workbench, fixed vertical plates are arranged at the left end and the right end of the upper surface of the bottom plate, a station clapboard is arranged in the middle of the upper surface of the bottom plate and is positioned between the left and the right fixed vertical plates, first clamping pieces are symmetrically arranged at the front and the back of the upper ends of the inner side surfaces of the left and the right fixed vertical plates, the first clamping member is positioned above the battery placing plate, a first cam plate is arranged at the bottom of the first clamping member, two second clamping pieces are arranged on the workbench and are respectively positioned at the front and the rear of the bottom plate, an L-shaped fixing frame is arranged on the second clamping piece, and a cam follower matched with the first cam plate is arranged at one end, far away from the second clamping piece, of the L-shaped fixing frame. The utility model realizes that the positioning of the long side and the short side of the battery cell in two directions can be realized simultaneously by only one drive.

Description

Power battery positioning device

Technical Field

The utility model relates to the technical field of battery manufacturing, in particular to a power battery positioning device.

Background

In the manufacturing process of the power battery, the shell needs to be sealed and welded, and in order to improve the sealing property of the battery core and ensure the welding quality, the positioning precision of the battery must be ensured; the existing battery core positioning and clamping device mainly adopts two power sources of a long side and a short side to independently control positioning and clamping, and products slide relatively when the rear positioning and clamping action is carried out, so that the positioning precision is influenced to a certain degree and the risk of damaging the products exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a power battery positioning device which can realize the positioning of the long side and the short side of a battery cell in two directions simultaneously by only one drive.

In order to achieve the purpose, the utility model provides the following technical scheme: a power battery positioning device comprises a workbench for welding a power battery, a bottom plate is arranged on the workbench, the left end and the right end of the upper surface of the bottom plate are respectively provided with a fixed vertical plate, the middle part of the upper surface of the bottom plate is provided with a station clapboard, the station clapboard is positioned between the left and the right fixed vertical plates, the bottom plate is symmetrically divided into a front battery placing plate and a rear battery placing plate by the station clapboard, the upper ends of the inner side surfaces of the left and the right fixed vertical plates are symmetrically provided with a first clamping piece in the front and the rear directions, the first clamping member is positioned above the battery placing plate, a first cam plate is arranged at the bottom of the first clamping member, two second clamping pieces are arranged on the workbench and are respectively positioned at the front and the rear of the bottom plate, an L-shaped fixing frame is arranged on the second clamping piece, and a cam follower matched with the first cam plate is arranged at one end, far away from the second clamping piece, of the L-shaped fixing frame; the battery placing plate is provided with a first guide rail on the left and right, and the first guide rail is provided with a positioning plate for fine adjustment of the power battery in a sliding manner.

Further, the first clamping piece comprises a first clamping block, a second clamping block, a first positioning block, a second positioning block, a supporting block, a second guide rail, a third guide rail, a compression spring, a first return spring, a second return spring and a spring adjusting piece, wherein the spring adjusting piece is symmetrically arranged in front of and behind the left side surface of the left fixed vertical plate, the output end of the spring adjusting piece penetrates through the fixed vertical plate and extends to the right side surface of the left fixed vertical plate, the compression spring is arranged at the output end of the spring adjusting piece, the supporting block is arranged at the tail end of the compression spring, a limiting groove matched with the supporting block is formed in the left fixed vertical plate, the first cam plate is arranged on the lower surface of the supporting block, the second guide rail is arranged on the right side of the supporting block, and the first clamping block is arranged on the second guide rail in a sliding manner, a first positioning block is arranged in front of and behind the right side of the first clamping block, and a first return spring is arranged on one side, close to the station partition plate, of the first clamping block; the left side face of the right fixed vertical plate is provided with the third guide rail, the third guide rail is provided with the second clamping block in a sliding mode, the front portion and the rear portion of the left side of the second clamping block are provided with the second positioning block for positioning, and a second reset spring is arranged on one side, close to the station partition plate, of the second clamping block.

Further, the spring adjusting piece comprises nuts, bolts and guide rods, the two nuts are symmetrically arranged in front of and behind the left side face of the fixed vertical plate on the left side, through holes communicated with the internal threads of the nuts are formed in the fixed vertical plate on the left side, the bolts are in threaded connection with the nuts, the guide rods are arranged at the tail ends of the bolts and penetrate through the through holes and extend to the left side and are arranged on the right side of the fixed vertical plate, and the compression springs are sleeved on the guide rods.

Furthermore, the second clamping piece comprises a sliding plate, a push plate, a second cam plate, a third return spring, a third clamping block, a third positioning block, a fourth guide rail and a limiting block, two pairs of fourth guide rails are arranged on the workbench, a pair of fourth guide rails is arranged at the front and rear of the bottom plate, the limiting block for limiting the sliding plate is arranged at one end, far away from the bottom plate, of each fourth guide rail, the sliding plate is arranged on each fourth guide rail in a sliding manner and located above the bottom plate, the push plate for extruding and fixing the power battery is arranged on the upper surface of the sliding plate, the third clamping block is arranged on the left side and the right side of the push plate, close to the power battery, the third positioning block is arranged on the third clamping block, the L-shaped fixing frame is arranged on one side, far away from the power battery, of the push plate, and the second cam plate is arranged on the lower surface of the sliding plate, the second cam plate is provided with the third return spring, and one end of the third return spring, which is far away from the second cam plate, is fixed on the workbench.

Furthermore, fourth clamping blocks matched with the third clamping blocks are arranged on the left side and the right side of the front side and the rear side of the station partition plate, and fourth positioning blocks are arranged on the fourth clamping blocks.

Furthermore, a fourth return spring is arranged on one side, close to the station partition plate, of the positioning plate, and the fourth return spring is connected with the station partition plate.

The utility model has the beneficial effects that: the utility model realizes that the positioning of the long side and the short side of the battery cell in two directions can be realized simultaneously by only one drive, power equipment is reduced, and the structure is compact; the model change is convenient, the product compatibility is realized only by changing simple blocks, and the compatibility range is wide; the relative sliding between the product and the positioning bottom plate in the positioning process is eliminated, and the clamping and positioning with high efficiency and high precision are realized.

Drawings

FIG. 1 is a schematic view of the present invention with a power battery installed;

FIG. 2 is a left side view of the present invention;

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

FIG. 4 is a front view of the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

fig. 6 is a cross-sectional view taken along the line B-B in fig. 4.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1 to 6, the present invention provides an embodiment: a power battery positioning device comprises a workbench (not shown) for welding a power battery, wherein a bottom plate 1 is arranged on the workbench (not shown), fixed vertical plates 2 are respectively arranged at the left end and the right end of the upper surface of the bottom plate 1, a station baffle plate 3 is arranged in the middle of the upper surface of the bottom plate 1, the station baffle plate 3 is positioned between the left fixed vertical plate and the right fixed vertical plate 2, the bottom plate 1 is symmetrically divided into a front battery placing plate and a rear battery placing plate by the station baffle plate 3, first clamping members 4 are symmetrically arranged at the front and the rear of the upper ends of the inner side surfaces of the left fixed vertical plate and the right fixed vertical plate 2, the first clamping members 4 are positioned above the battery placing plates, a first cam plate 5 is arranged at the bottom of the first clamping members 4, two second clamping members 6 are arranged on the workbench (not shown), and the two second clamping members 6 are respectively positioned at the front and the rear of the bottom plate 1, an L-shaped fixing frame 7 is arranged on the second clamping piece 6, and a cam follower 8 matched with the first cam plate 5 is arranged at one end, far away from the second clamping piece 6, of the L-shaped fixing frame 7; the battery placing plate is provided with a first guide rail 9 on the left and right, and the first guide rail 9 is provided with a positioning plate 10 for fine adjustment of the power battery in a sliding manner. Bottom plate 1 and fixed riser 2, the station baffle 3 cooperation encloses the station of fixing power battery, first clamping piece 4 is used for pressing from both sides tight power battery's the left and right sides, second clamping piece 6 is used for pressing from both sides tight power battery's front and back both sides, first cam plate 5 cooperates with L type mount 7, cam follower 8 to realize that a power supply can press from both sides tight power battery's front and back both sides and left and right sides, first guide rail 9 is used for assisting locating plate 10 to slide, locating plate 10 is used for placing power battery.

Referring to fig. 1, 3, 4, 5 and 6, in an embodiment of the present invention, the first clamping member 4 includes a first clamping block 41, a second clamping block 42, a first positioning block 43, a second positioning block (not shown), a supporting block 44, a second guiding rail 45, a third guiding rail 46, a compression spring 47, a first return spring 48, a second return spring 49, and a spring adjusting member 410, the left side surface of the left fixed vertical plate 2 is symmetrically provided with the spring adjusting member 410 in front and at back, an output end of the spring adjusting member 410 penetrates through the fixed vertical plate 2 and extends to the right side surface of the left fixed vertical plate 2, an output end of the spring adjusting member 410 is provided with the compression spring 47, a tail end of the compression spring 47 is provided with the supporting block 44, the left fixed vertical plate 2 is provided with a limiting groove matching with the supporting block 44, the first cam plate 5 is disposed on a lower surface of the supporting block 44, the second guide rail 45 is arranged on the right side of the supporting block 44, the first clamping block 41 is arranged on the second guide rail 45 in a sliding manner, the first positioning block 43 is arranged on the front and back of the right side of the first clamping block 41, and the first return spring 48 is arranged on one side, close to the station partition plate 3, of the first clamping block 41; the left side surface of the right fixed vertical plate 2 is provided with the third guide rail 46, the third guide rail 46 is provided with the second clamping block 42 in a sliding manner, the left side of the second clamping block 42 is provided with a second positioning block (not shown) in front and back, and the side, close to the station partition plate 3, of the second clamping block 42 is provided with a second return spring 49. The first clamping block 41 and the second clamping block 42 are used for clamping the left and right sides of the power battery, the first positioning block 43 and the second positioning block (not shown) are used for positioning the left and right sides of the power battery, the supporting block 44 is used for connecting with the compression spring 47, the first clamping block 41 is supported, the second guide rail 45 is used for assisting the first clamping block 41 to move back and forth, the third guide rail 46 is used for assisting the second clamping block 42 to move back and forth, the compression spring 47 is used for providing force required by clamping the power battery for the first clamping block 41, the first return spring 48 and the second return spring 49 are used for providing force required by clamping the power battery after the first clamping block 41 and the second clamping block 42 clamp the power battery, the first clamping block 41 and the second clamping block 42 are pushed towards the push plate with the aid of the second guide rail 45 and the third guide rail 46, thereby pushing the power cell toward the push plate, and the spring adjuster 410 is used to adjust the compression spring 47 to accommodate different sized power cells.

As shown in fig. 1 and fig. 3, in an embodiment of the present invention, the spring adjusting element 410 includes a nut 4101, a bolt 4102, and a guiding rod 4103, two nuts 4101 are symmetrically arranged in front and at back of the left side surface of the left fixed vertical plate 2, a through hole (not shown) communicated with the internal thread of the nut 4101 is formed on the left fixed vertical plate 2, the bolt 4102 is in threaded connection with the nut 4101, the guiding rod 4103 is arranged at the end of the bolt 4102, the guiding rod 4103 passes through the through hole (not shown) and extends to the right side of the left fixed vertical plate 2, and the guiding rod 4103 is sleeved with the compression spring 47. The nut 4101 cooperates with the bolt 4102 for adjusting and fixing the compression spring 47, and the guide rod 4103 for preventing the compression spring 47 from tilting when compressed to cause the support block 44 to be unstressed.

With continuing reference to fig. 1, 3, 4, 5 and 6, in an embodiment of the present invention, the second clamping member 6 includes a sliding plate 61, a pushing plate 62, a second cam plate 63, a third return spring 64, a third clamping block 65, a third positioning block (not shown), a fourth guide rail 66 and a limiting block 67, two pairs of the fourth guide rails 66 are disposed on the workbench (not shown), a pair of the fourth guide rails 66 is disposed at the front and rear of the bottom plate 1, the limiting block 67 for limiting the sliding plate 61 is disposed at one end of the fourth guide rail 66 away from the bottom plate 1, the sliding plate 61 is slidably disposed on the fourth guide rail 66, the sliding plate 61 is located above the bottom plate 1, the pushing plate 62 for pressing and fixing a power battery is disposed on the upper surface of the sliding plate 61, the third clamping block 65 is disposed at the left and right of the pushing plate 62 near the power battery, the third clamping block 65 is provided with the third positioning block (not shown), the side of the push plate 62 away from the power battery is provided with the L-shaped fixing frame 7, the lower surface of the sliding plate 61 is provided with a second cam plate 63, the second cam plate 63 is provided with the third return spring 64, and one end of the third return spring 64 away from the second cam plate 63 is fixed on the workbench (not shown). The sliding plate 61 is used for driving the pushing plate 62 to move back and forth, the pushing plate 62 is used for arranging a third clamping block 65 and providing pushing force for the third clamping block 65, the second cam plate 63 is used for driving the sliding plate 61 to move back and forth, the third return spring 64 is used for providing pulling force for the second cam plate 63, the power battery is fixed through the pulling force of the third return spring 64, the third clamping block 65 and the fourth clamping block are used for clamping the front side and the rear side of the power battery, the fourth guide rail 66 is used for assisting the sliding plate 61 to slide, and the limiting block 67 is used for preventing the sliding plate 61 from sliding out of a track.

Referring to fig. 3 and fig. 6, in an embodiment of the present invention, the front side and the rear side of the station partition 3 are respectively provided with a fourth clamping block 11 on the left and right sides, the fourth clamping block 11 is provided with a fourth positioning block (not shown).

Referring to fig. 5, in an embodiment of the present invention, a fourth return spring 12 is disposed on a side of the positioning plate 10 close to the station partition 3, and the fourth return spring 12 is connected to the station partition 3. The fourth return spring can return the positioning plate 10 to the initial position after the power battery is removed from the positioning plate 10 after the welding of the power battery is finished.

The utility model has the following working principle: the power source drives the jack upwards, the jack drives the second cam plate 63 to move outwards, the second cam plate 63 drives the sliding plate 61 to move outwards, the sliding plate 61 drives the push plate 62 to move outwards, the push plate 62 drives the L-shaped fixing frame 7 to move outwards, the L-shaped fixing frame 7 drives the cam follower 8 to move outwards, the cam follower 8 applies a pushing force to the first cam plate 5, so that the first cam plate 5 moves leftwards, the first cam plate 5 drives the supporting block 44 to move leftwards, the supporting block 44 drives the first clamping block 41 to move leftwards, a power battery is placed on the positioning plate 10, the power source is removed, the second cam plate 63 moves inwards due to the pulling force of the third return spring 64, the second cam plate 63 drives the sliding plate 61 to move inwards, the sliding plate 61 drives the push plate 62 to move inwards, the push plate 62 drives the L-shaped fixing frame 7 to move inward, the L-shaped fixing frame 7 drives the cam follower 8 to move inward, the cam follower 8 reduces the leftward thrust on the first cam plate 5, so that the first clamping block 41 moves rightward under the rightward thrust of the compression spring 47, the left and right sides of the power battery are clamped by the first clamping block 41 and the second clamping block 42, the power battery placed on the positioning plate 10 is pushed to the push plate 62 by the thrust of the first return spring 48 and the second return spring 49, the positioning plate 10 follows the power battery to move toward the push plate 62, and thus the front and rear sides of the power battery are fixed by the third clamping block 65 and the fourth clamping block 11.

The cam follower of the present invention is prior art and will be apparent to those skilled in the art that the cam follower may be, but not limited to, CF20-1UU-AB, although not limited thereto, and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention, and should not be construed as limiting the present invention, and all equivalent variations and modifications made in the claims of the present invention should be covered by the present invention.

Claims (6)

1. The utility model provides a power battery positioner, includes a workstation that is used for welding power battery which characterized in that: a bottom plate is arranged on the workbench, fixed vertical plates are arranged at the left end and the right end of the upper surface of the bottom plate, a station clapboard is arranged in the middle of the upper surface of the bottom plate and is positioned between the left and the right fixed vertical plates, the bottom plate is symmetrically divided into a front battery placing plate and a rear battery placing plate by the station clapboard, the upper ends of the inner side surfaces of the left and right fixed vertical plates are symmetrically provided with a first clamping piece in the front and the rear directions, the first clamping member is positioned above the battery placing plate, a first cam plate is arranged at the bottom of the first clamping member, two second clamping pieces are arranged on the workbench and are respectively positioned at the front and the rear of the bottom plate, an L-shaped fixing frame is arranged on the second clamping piece, and a cam follower matched with the first cam plate is arranged at one end, far away from the second clamping piece, of the L-shaped fixing frame; the battery placing plate is provided with a first guide rail on the left and right, and the first guide rail is provided with a positioning plate for fine adjustment of the power battery in a sliding manner.

2. The power battery positioning device according to claim 1, wherein: the first clamping piece comprises a first clamping block, a second clamping block, a first positioning block, a second positioning block, a supporting block, a second guide rail, a third guide rail, a compression spring, a first return spring, a second return spring and a spring adjusting piece, wherein the spring adjusting piece is symmetrically arranged in front of and behind the left side surface of the left fixed vertical plate, the output end of the spring adjusting piece penetrates through the fixed vertical plate and extends to the right side surface of the left fixed vertical plate, the compression spring is arranged at the output end of the spring adjusting piece, the supporting block is arranged at the tail end of the compression spring, a limiting groove matched with the supporting block is formed in the left fixed vertical plate, the first cam plate is arranged on the lower surface of the supporting block, the second guide rail is arranged on the right side of the supporting block, the first clamping block is arranged on the second guide rail in a sliding manner, and the first positioning block is arranged in front of and behind the right side of the first clamping block, a first reset spring is arranged on one side, close to the station partition plate, of the first clamping block; the left side face of the right fixed vertical plate is provided with the third guide rail, the third guide rail is provided with the second clamping block in a sliding mode, the front portion and the rear portion of the left side of the second clamping block are provided with the second positioning block for positioning, and a second reset spring is arranged on one side, close to the station partition plate, of the second clamping block.

3. A power cell positioning device as claimed in claim 2, wherein: the spring adjusting piece comprises nuts, bolts and guide rods, the left side is provided with two nuts in front and back symmetry with the left side surface of the fixed vertical plate, the left side is provided with a through hole communicated with the internal threads of the nuts, the bolts are in threaded connection with the nuts, the tail end of each bolt is provided with the guide rod, the guide rod penetrates through the through hole and extends to the left side, the right side of the fixed vertical plate is provided with the compression spring in a sleeved mode.

4. The power battery positioning device according to claim 1, wherein: the second clamping piece comprises a sliding plate, a push plate, a second cam plate, a third return spring, a third clamping block, a third positioning block, a fourth guide rail and a limiting block, two pairs of the fourth guide rails are arranged on the workbench, a pair of the fourth guide rails is arranged at the front and rear parts of the bottom plate, the limiting block for limiting the sliding plate is arranged at one end, away from the bottom plate, of each fourth guide rail, the sliding plate is arranged on each fourth guide rail in a sliding manner and located above the bottom plate, the push plate for extruding and fixing the power battery is arranged on the upper surface of the sliding plate, the third clamping block is arranged on the left side and the right side of the side, close to the power battery, of the push plate, the third positioning block is arranged on the third clamping block, the L-shaped fixing frame is arranged on the side, away from the power battery, of the push plate, and the second cam plate is arranged on the lower surface of the sliding plate, the second cam plate is provided with the third return spring, and one end of the third return spring, which is far away from the second cam plate, is fixed on the workbench.

5. The power battery positioning device according to claim 1, wherein: and fourth clamping blocks matched with the third clamping blocks are arranged on the left side and the right side of the front side and the rear side of the station partition plate, and fourth positioning blocks are arranged on the fourth clamping blocks.

6. The power battery positioning device according to claim 1, wherein: and a fourth reset spring is arranged on one side, close to the station partition plate, of the positioning plate, and the fourth reset spring is connected with the station partition plate.

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