CN112433164A - Double-battery-piece testing device and testing method - Google Patents

Abstract

The invention discloses a testing device and a testing method for a double-cell battery. The testing device includes a feeding mechanism, the testing device has a feeding station and a testing station, and the battery can be moved from the feeding station. Transferred to the position of the test station, the feeding mechanism includes two sets of feeding transmission mechanisms arranged in parallel, and the two sets of feeding transmission mechanisms are used to transport the battery sheets from the two sets of the feeding transmission mechanisms to the feeding station position respectively. The testing device further includes a testing machine which is arranged at the testing station and can test two battery sheets at the same time. The double-cell cell test device can test the efficiency of two cell sheets at one time, which can effectively reduce equipment costs, improve test efficiency, and thereby increase cell production capacity.

Description

A double-cell battery test device and test method

technical field

The invention relates to the technical field of cell manufacturing, in particular to a double cell cell testing device and a testing method.

Background technique

In the process of cell production, the efficiency of the cell needs to be tested by a test device. The test device in the prior art can only test one cell at a time, and the test efficiency is low, thereby affecting the production capacity of the cell.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an improved double-cell cell test device in view of the problems in the prior art.

To achieve the above object, the technical scheme adopted in the present invention is:

A double-cell battery sheet testing device includes a feeding mechanism, the testing device has a feeding station and a testing station, and the battery can be transferred from the feeding station to the testing station. , the loading mechanism includes two sets of parallel-arranged loading transmission mechanisms and a loading and transporting mechanism for transporting the battery sheets from the two sets of the loading and transporting mechanisms to the positions of the loading stations, respectively. The testing device further includes a testing machine which is arranged at the testing station and can test two battery pieces simultaneously.

Preferably, the testing machine includes a probe assembly, the probe assembly includes an upper fixing frame that can be slid up and down, a plurality of upper probes arranged on the upper fixing frame, and a lower frame that can be slid up and down. A fixing frame and a plurality of lower probes arranged on the lower fixing frame, both the upper fixing frame and the lower fixing frame have two non-conductive regions, the upper probe and the lower probe They are respectively arranged in the two non-conductive regions in a one-to-one correspondence.

Further, both the upper fixing frame and the lower fixing frame are made of printed circuit boards.

Preferably, the testing device further comprises a detection mechanism for testing the positional deviation of the battery slices and an XYT adjustment mechanism for adjusting the angles of the battery slices in the X-axis direction, the Y-axis direction and the XY plane. The mechanism can be positioned on the XYT adjustment mechanism in an adjustable position along the X-axis direction.

Further, each of the feeding and handling mechanism and the XYT adjustment mechanism is provided with one group respectively, and the feeding and handling mechanism includes two sets of suction cup assemblies, and the two sets of suction cup assemblies are respectively associated with two sets of the feeding transmission mechanisms. A corresponding arrangement, each group of the suction cup assemblies can absorb a group of battery sheets on the feeding transmission mechanism and transport them to the position of the feeding station, and the two groups of the suction cup assemblies can be independently lifted up and down. set up.

Further, two groups of the material loading and handling mechanism and the XYT adjusting mechanism are respectively provided, and each group of the XYT adjusting mechanism is provided with a group of the material feeding and handling mechanism, and each group of the material feeding and handling mechanism includes: A set of suction cup assemblies that can be lifted up and down, the suction cup assemblies of the two sets of the feeding and conveying mechanisms are respectively set in a one-to-one correspondence with the two sets of the feeding and conveying mechanisms, and each set of the suction cup assemblies can absorb a set of The battery sheets on the feeding and conveying mechanism are transported to the position of the feeding station.

Preferably, the testing device further comprises a turntable mechanism, the turntable mechanism comprises a rotatably arranged rotary table and a plurality of work platforms arranged on the rotary table, and the rotary table drives each of the work platforms The loading station and the testing station are arranged in sequence on the rotation track of the platform, and at least two battery pieces can be placed side by side on each of the working platforms at the same time.

Preferably, the testing device further has a blanking station, the testing device further comprises a blanking mechanism, and the blanking mechanism includes two sets of parallel-arranged blanking transmission mechanisms and a blanking transmission mechanism capable of simultaneously removing the two battery sheets from the The unloading station is transported to two sets of unloading conveying mechanisms on the unloading transmission mechanism.

The present invention also provides a double-cell battery test method, which uses the above-mentioned test device for testing. The test method includes: respectively transporting two battery cells through two sets of the feeding and transporting mechanisms, and then transferring them to a setting device. After being positioned, the loading and handling mechanism grabs two sets of battery pieces on the loading and transporting mechanism, and transports the two battery pieces to the loading station, and transfers them to the testing station After the location, the efficiency of the two cell sheets was tested simultaneously by the testing machine.

Preferably, the feeding and conveying mechanism simultaneously grabs two sets of battery sheets on the feeding and conveying mechanism, and adjusts the positions of the two battery sheets successively when transporting the two battery sheets to the feeding station position. And successively place the two battery pieces at the position of the loading station.

Preferably, the feeding and conveying mechanism successively grabs two sets of battery sheets on the feeding and conveying mechanism, adjusts the positions of the two battery sheets successively, and simultaneously transports the two battery sheets to the feeding station position and place two battery sheets at the loading station position at the same time.

Preferably, the feeding and conveying mechanism simultaneously grabs two sets of battery sheets on the feeding and conveying mechanism, and simultaneously adjusts the positions of the two battery sheets when transporting the two battery sheets to the feeding station position, At the same time, the two battery pieces are placed at the position of the loading station, or the loading conveying mechanism grabs two sets of battery pieces on the loading transmission mechanism at the same time, and adjusts the positions of the two battery pieces at the same time. Afterwards, the two battery pieces are transported to the loading station at the same time, and the two battery pieces are placed at the loading station at the same time.

Due to the application of the above technical solutions, the present invention has the following advantages compared with the prior art: the double-cell cell test device of the present invention has a simple structure, and the test device can test the efficiency of two cell sheets at one time, which can effectively Reduce equipment costs and improve test efficiency, thereby increasing the production capacity of cell production.

Description of drawings

Fig. 1 is a perspective view of the double-cell cell test device of the present invention (Example 1);

FIG. 2 is a front view of the double-cell cell test device of the present invention (Example 1);

FIG. 3 is a top view of the double-cell cell test device of the present invention (Example 1);

FIG. 4 is a perspective view of the double-cell cell test device of the present invention (Example 2);

FIG. 5 is a front view of the double-cell cell test device of the present invention (Example 2);

FIG. 6 is a top view of the double-cell cell test device of the present invention (Example 2);

FIG. 7 is a perspective view of the double-cell cell test device of the present invention (Example 3);

FIG. 8 is a front view of the double-cell cell test device of the present invention (Example 3);

FIG. 9 is a top view of the double-cell cell test device of the present invention (Example 3);

FIG. 10 is a schematic structural diagram of the probe assembly of the double-cell cell test device of the present invention.

Detailed ways

The technical solutions of the present invention will be further elaborated below in conjunction with the accompanying drawings.

Example 1

Referring to FIGS. 1 to 3 , the double-cell cell testing device of the present invention includes a loading mechanism 1 , a turntable mechanism 2 , a testing machine 3 , a blanking mechanism 4 and a controller (not shown in the figure).

The feeding mechanism 1 includes a feeding and conveying mechanism 11 for transferring the battery sheets, a feeding and transporting mechanism 12 for transporting the battery sheets from the feeding and transporting mechanism 11 to the turntable mechanism 2, and a feeding and transporting mechanism 12 for testing the positional deviation of the battery sheets. Detection mechanism 13 and XYT adjustment mechanism 14 for adjusting the position of the cell.

There are two sets of feeding and conveying mechanisms 11 , and the two sets of feeding and conveying mechanisms 11 are arranged in parallel. and the second station position CV2 of another group of feeding and conveying mechanisms 11 .

In this embodiment, a set of feeding and transporting mechanisms 12 is provided, and the feeding and transporting mechanisms 12 are movably disposed outside the set of feeding and conveying mechanisms 11 . The feeding and handling mechanism 12 includes a first fixing seat 121 and two sets of suction cup assemblies. The two sets of suction cup assemblies are respectively: a first suction cup assembly 122 and a second suction cup assembly 123. The first suction cup assembly 122 and the second suction cup assembly 123 can be independent of each other. It is arranged on the first fixing seat 121 in an up and down manner. The two sets of the suction cup assemblies are respectively set in a one-to-one correspondence with the two sets of feeding and conveying mechanisms 11 , and the feeding and conveying mechanism 12 can be translated relative to the feeding and conveying mechanism 11 so that the first suction cup assembly 122 is located directly above the first station position CV1 , the second suction cup assembly 123 is located directly above the second station position CV2, and both the first suction cup assembly 122 and the second suction cup assembly 123 can generate vacuum suction, so as to separate the first station position CV1 and the second station position CV2. the battery slices are sucked up. The loading and handling mechanism 12 can also translate so that the first suction cup assembly 122 and the second suction cup assembly 123 are both moved to the third station position CV3, so as to place the battery slices on the turntable mechanism 2 located at the third station position CV3 respectively. .

The detection mechanism 13 adopts a CCD camera assembly, and the controller is provided with a reference position of the cell when testing the cell, and the CCD camera assembly can test the actual position of the cell located at the first station position CV1 and the second station position CV2. position, the controller can calculate the position deviation between the actual position of the cell and the reference position, and the position deviation is the basis for the adjustment of the XYT adjustment mechanism 14 .

The XYT adjustment mechanism 14 can adjust the displacement of the battery pieces along the X-axis direction, that is, the transmission direction of the feeding transmission mechanism 11, the displacement of the battery pieces along the Y-axis direction, that is, perpendicular to the transmission direction of the feeding and transmission mechanism 11, and the displacement of the battery pieces in the T-direction, namely, the transmission direction. The angle of rotation in the XY plane. The XYT adjustment mechanism 14 can adopt the structure in the prior art.

In this embodiment, a set of XYT adjustment mechanisms 14 is provided, the feeding and conveying mechanism 12 is provided on the XYT adjusting mechanism 14, and the feeding and conveying mechanism 12 is arranged on the X-axis direction, that is, the conveying direction of the feeding conveying mechanism 11 so as to be movable. On the adjustment mechanism 14, the first suction cup assembly 122 can move back and forth between the first station position CV1 and the third station position CV3, and the second suction cup assembly 123 can be moved between the second station position CV2 and the third station position CV2. Reciprocating movement between positions CV3. Moreover, after the first suction cup assembly 122 and the second suction cup assembly 123 suck the battery slices, it is also possible to adjust the positions of the feeding and conveying mechanism 12 in the three directions of X, Y and T to adjust the position of the battery slices in the three directions of X, Y and T. the purpose of the location in one direction.

The feeding mechanism 1 also includes a correction mechanism (not shown in the figure) provided at the feeding end of the feeding transmission mechanism 11, and the feeding end is located at the feeding transmission mechanism 11 away from the first station position CV1 and the second station position CV2. The position of the battery sheet located on the feeding and conveying mechanism 11 can be corrected by the correction mechanism.

The turntable mechanism 2 includes a rotatably arranged rotary table 21, a driving mechanism for driving the rotary table 21 to rotate, and a plurality of work platforms 22 arranged on the rotary table 21, each of which can be placed side by side at least Two battery slices, the trajectories of the rotating table 21 driving each work platform 22 to rotate sequentially pass through the third station position CV3, the fourth station position CV4 and the fifth station position CV5, and the third station position CV3 is the loading worker. position, the fourth station position CV4 is the test station, and the fifth station position CV5 is the blanking station.

In this embodiment, the driving mechanism adopts a DD motor.

In this embodiment, four positions of a loading station, a testing station, a blanking station and a preparatory station are sequentially arranged on the trajectory of the rotating table 21 driving each working platform 22 to rotate. The four stations are along the The rotation of the rotary table 21 is uniformly distributed in the circumferential direction. Correspondingly, the rotary table 21 is provided with four work platforms 22 uniformly distributed in the circumferential direction of the rotation of the rotary table 21 .

Each working platform 22 is provided with a vacuum adsorption mechanism for adsorbing battery chips, and a vacuum hole is provided on the upper end surface of the working platform 22. The vacuum adsorption mechanism can generate a vacuum at each vacuum hole, thereby adsorbing the battery chips on the working platform. 22 on.

The testing machine 3 is used to test the efficiency of the cell, and the testing machine 3 is set at the fourth station position CV4, that is, the position of the testing station.

The testing machine 3 includes two symmetrically arranged vertical plates 31 and a probe assembly disposed between the two vertical plates 31 .

Specifically, as shown in FIG. 10 , the probe assembly includes an upper fixing frame 32 arranged between two vertical plates 31 , a plurality of upper probes 34 arranged on the upper fixing frame 32 , a lower fixing frame 33 and a lower fixing frame 33 . The plurality of lower probes 35 on the fixing frame 33 , the two ends of the upper fixing frame 32 and the lower fixing frame 33 are respectively slidably arranged on the vertical plate 31 on the corresponding side.

Both the upper fixing frame 32 and the lower fixing frame 33 are made of printed circuit boards, so that both the upper fixing frame 32 and the lower fixing frame 33 can be separated into two non-conductive areas, namely the first area A and the second area B , both the first area A and the second area B of the upper fixing frame 32 are provided with the upper probe 34, and the first area A and the second area B of the lower fixing frame 33 are provided with the lower probe 35 , and the upper probes 34 and the lower probes 35 are arranged in one-to-one correspondence, the first area A and the second area B of the upper fixing frame 32 are respectively provided with I lines, and the first area A and the second area B of the lower fixing frame 33 are respectively provided with I lines. V lines are respectively provided. In this way, the efficiency test can be performed on the two cells simultaneously by the same testing machine 3 .

The unloading mechanism 4 includes a blanking transmission mechanism 41 for transporting the battery sheets and a blanking and conveying mechanism 42 for transporting the battery sheets from the turntable mechanism 2 to the blanking and transporting mechanism 41 .

Two sets of blanking transmission mechanisms 41 are provided, the two sets of blanking transmission mechanisms 41 are arranged in parallel, and the two sets of blanking transmission mechanisms 41 can simultaneously transmit two battery pieces.

In this embodiment, a set of blanking and conveying mechanisms 42 is provided, and the blanking and conveying mechanisms 42 are movably arranged outside the set of blanking and conveying mechanisms 41 . The unloading and conveying mechanism 42 includes a second fixing base 421 , a third suction cup assembly 422 and a fourth suction cup assembly 423 . The unloading conveying mechanism 42 can be translated relative to the unloading transmission mechanism 41 so that the third suction cup assembly 422 and the fourth suction cup assembly 423 are located directly above the fifth station position CV5, that is, the cutting station position, so that the suction is located on the turntable mechanism 2 . The blanking conveying mechanism 42 can also be translated relative to the blanking conveying mechanism 41 so that the third suction cup assembly 422 is located at the sixth station position CV6 of one blanking conveying mechanism 41 and the fourth suction cup assembly 423 is located at the other lower position. The material transfer mechanism 41 is placed at the seventh station position CV7, so as to transfer the battery sheet out of the testing device.

The feeding and conveying mechanism 11 , the feeding and conveying mechanism 12 , the detecting mechanism 13 , the XYT adjusting mechanism 14 , the driving mechanism of the turntable mechanism 2 , the discharging and conveying mechanism 41 and the discharging and conveying mechanism 42 are all electrically connected to the controller.

The working principle of the test device of this embodiment is as follows:

(1) In the starting state, the first suction cup assembly 122 of the feeding and conveying mechanism 12 is located directly above the first station position CV1, the second suction cup assembly 123 is located directly above the second station position CV2, and the turntable mechanism 2 One of the working platforms 22 is located at the third station position CV3, and the third suction cup assembly 422 and the fourth suction cup assembly 423 of the unloading conveying mechanism 42 are located directly above the fifth station position CV5;

(2) The two battery pieces are respectively transported by two sets of feeding and conveying mechanisms 11, and the position of the battery pieces is corrected by the correction mechanism in the initial stage of transmission;

(3) The two battery pieces are simultaneously transferred to the first station position CV1 and the second station position CV2, the first suction cup assembly 122 descends to grab the battery piece located at the first station position CV1, and the second suction cup assembly 123 Lower and grab the battery slice at the second station position CV2, where the first suction cup assembly 122 and the second suction cup assembly 123 can act synchronously or asynchronously. The first suction cup assembly 122 and the second suction cup assembly 123 are simultaneously moved to the third station position CV3;

(4) The XYT adjustment mechanism 14 adjusts the position of the cell according to the positional deviation between the actual position of the cell at the first station position CV1 grasped by the first suction cup assembly 122 and the reference position. A suction cup assembly 122 descends, and the captured cell is placed on the working platform 22 at the third station position CV3. During this process, the second suction cup assembly 123 remains stationary; The position deviation of the actual position of the cell located at the second station position CV2 grasped by the suction cup assembly 123 and the reference position is used to adjust the position of the cell. After the adjustment, the second suction cup assembly 123 descends and grabs it. The battery sheet is placed on the working platform 22 at the third station position CV3. During this process, the first suction cup assembly 122 remains stationary; the first suction cup assembly 122 and the second suction cup assembly 123 rise, and they can act synchronously. , it can also act asynchronously, and the feeding and conveying mechanism 12 moves relative to the feeding and conveying mechanism 11 and returns to the initial position;

(5) The vacuum adsorption mechanism is turned on, and the two battery pieces located at the third station position CV3 are adsorbed on the working platform 22. The rotating table 21 drives each working platform 22 to rotate 90 degrees, so that the two battery pieces are loaded. The working platform 22 is rotated to the fourth station position CV4, that is, the test station position;

(6) The vacuum adsorption mechanism on the working platform 22 releases the vacuum, and the cells are in a free state without any force at this time; the testing machine 3 works, and the upper fixing frame 32 drives the upward probe in the first area A and the second area B The needle 34 moves downward, and the lower fixing frame 33 drives the lower probe 35 in the first area A and the second area B to move upward, and the upper and lower probes 34 and 35 press the battery sheet in the upper and lower directions for testing. After the test is completed, the upper fixing frame 32 drives the upper probe 34 to move upward, the lower fixing frame 33 drives the lower probe 35 to move downward, and the vacuum adsorption mechanism on the working platform 22 is restarted to absorb the battery sheet on the working platform 22. ;

(7) The rotating work table 21 drives each work platform 22 to continue to rotate 90 degrees along the previous rotation direction, so that the work platform 22 carrying the two battery pieces is rotated to the fifth station position CV5, that is, the blanking station position;

(8) The third suction cup assembly 422 descends to grab one cell at the fifth station position CV5, the fourth suction cup assembly 423 descends to grab another cell at the fifth station position CV5, and the unloading conveying mechanism 42 is opposite to The blanking transmission mechanism 41 is translated so that the third suction cup assembly 422 is located at the sixth station position CV6 of one blanking transmission mechanism 41 , and the fourth suction cup assembly 423 is located at the seventh station position CV7 of the other blanking transmission mechanism 41 , and place the battery slices on the two sets of blanking and conveying mechanisms 41 respectively, the third suction cup assembly 422 and the fourth suction cup assembly 423 rise, and the blanking and conveying mechanism 42 translates relative to the blanking and conveying mechanism 41 to return to the initial state. During the above process , the third suction cup assembly 422 and the fourth suction cup assembly 423 may act synchronously or asynchronously;

(9) The two sets of blanking and conveying mechanisms 41 are activated to transmit the two battery pieces from the testing device respectively.

Example 2

As shown in FIGS. 4 to 6 , the difference between this embodiment and Embodiment 1 is that the working principle is partially different, as follows:

(1) In the starting state, the first suction cup assembly 122 of the feeding and conveying mechanism 12 is located directly above the first station position CV1, the second suction cup assembly 123 is located directly above the second station position CV2, and the turntable mechanism 2 One of the working platforms 22 is located at the third station position CV3, and the third suction cup assembly 422 and the fourth suction cup assembly 423 of the unloading conveying mechanism 42 are located directly above the fifth station position CV5;

(2) The two battery pieces are respectively transported by two sets of feeding and conveying mechanisms 11, and the position of the battery pieces is corrected by the correction mechanism in the initial stage of transmission;

(3) The two battery pieces are simultaneously transferred to the first station position CV1 and the second station position CV2, the first suction cup assembly 122 descends to grab the battery piece located at the first station position CV1, and then the first suction cup assembly 122 rises; the XYT adjustment mechanism 14 adjusts the position of the cell according to the positional deviation between the actual position of the cell at the first station position CV1 and the reference position grasped by the first suction cup assembly 122. The two suction cup assemblies 123 remain stationary. Next, the second suction cup assembly 123 descends to grab the battery slice at the second station position CV2, and then the second suction cup assembly 123 rises; the XYT adjustment mechanism 14 is located at the second station position CV2 according to the grasped by the second suction cup assembly 123 The position deviation between the actual position of the cell and the reference position is adjusted to adjust the position of the cell. During this process, the first suction cup assembly 122 remains stationary;

(4) The feeding and conveying mechanism 12 moves relative to the feeding and conveying mechanism 11 until the first suction cup assembly 122 and the second suction cup assembly 123 move to the third station position CV3 at the same time, and the first suction cup assembly 122 and the second suction cup assembly 123 Both are lowered. Preferably, the two can act synchronously, and place the battery pieces they grab onto the work platform 22 at the third station position CV3 at the same time. Of course, they can also act asynchronously. The first suction cup assembly 122 and the second suction cup The assembly 123 rises, and the feeding conveying mechanism 12 moves relative to the feeding conveying mechanism 11 and returns to the initial position;

The subsequent test steps of the test device are the same as (5) to (9) in Example 1, and will not be described in detail here.

Example 3

As shown in FIGS. 7 to 9 , in this embodiment, there are two groups of feeding and handling mechanisms 12 , and the two groups of feeding and handling mechanisms 12 are respectively movably disposed outside each group of feeding and conveying mechanisms 11 . Each of the feeding and handling mechanisms 12 includes a set of suction cup assemblies that can be lifted up and down on the first fixing base 121 , namely the fifth suction cup assembly 124 . The material conveying mechanisms 11 are provided in a one-to-one correspondence, and each group of material feeding and conveying mechanisms 12 transports the battery pieces on a corresponding group of material feeding and conveying mechanisms 11 . There are two groups of XYT adjustment mechanisms 14 , and each group of XYT adjustment mechanisms 14 is correspondingly provided with a group of feeding and conveying mechanisms 12 . That is, the two battery sheets are respectively transported by two sets of feeding and transporting mechanisms 12 , and their positions are adjusted respectively by two sets of XYT adjusting mechanisms 14 .

The working principle of the test device of this embodiment is as follows:

(1) In the starting state, the fifth suction cup assemblies 124 of the two sets of feeding and handling mechanisms 12 are located directly above the first station position CV1 and the second station position CV2 respectively, and one of the working platforms 22 of the turntable mechanism 2 is located at At the third station position CV3, the third suction cup assembly 422 and the fourth suction cup assembly 423 of the unloading conveying mechanism 42 are located directly above the fifth station position CV5;

(2) The two battery pieces are respectively transported by two sets of feeding and conveying mechanisms 11, and the position of the battery pieces is corrected by the correction mechanism in the initial stage of transmission;

(3) The two battery pieces are simultaneously transferred to the first station position CV1 and the second station position CV2, and the fifth suction cup assemblies 124 of the two sets of feeding and handling mechanisms 12 are lowered to grab the first station position CV1 respectively. The two sets of fifth suction cup assemblies 124 can act synchronously or asynchronously. The two sets of feeding and handling mechanisms 12 are both moved relative to the feeding and conveying mechanism 11 until the two sets of fifth suction cup assemblies 124 can act synchronously or asynchronously. The fifth suction cup assemblies 124 are all moved to the third station position CV3;

(4) A set of XYT adjustment mechanisms 14 adjust the position of the cell according to the positional deviation between the actual position of the cell located at the first station position CV1 and the reference position grasped by the fifth suction cup assembly 124 disposed thereon. After the adjustment is completed, the fifth suction cup assembly 124 of the group descends, and the battery slices it grabs are placed on the working platform 22 located at the third station position CV3; during this process, another group of XYT adjustment mechanisms 14 according to The position deviation between the actual position of the cell at the second station position CV2 and the reference position grasped by the fifth suction cup assembly 124 disposed on it is used to adjust the position of the cell. After the adjustment is completed, the fifth suction cup assembly 124 descends, and places the captured cells on the working platform 22 located at the third station position CV3; the two sets of fifth suction cup assemblies 124 ascend, and the two sets of feeding and transporting mechanisms 12 move back relative to the feeding and conveying mechanism 11 to the initial position;

In the above process, it is preferable that the two sets of feeding and conveying mechanisms 12 operate synchronously, and the two sets of XYT adjustment mechanisms 14 operate synchronously.

The subsequent test steps of the test device are the same as (5) to (9) in Example 1, and will not be described in detail here.

In this embodiment, after the fifth suction cup assemblies 124 of the two sets of feeding and handling mechanisms 12 are both lowered to grab the battery pieces located at the first station position CV1 and the second station position CV2 The two sets of XYT adjustment mechanisms 14 respectively adjust the positions of the cell pieces according to the positional deviation between the actual position of the cell piece and the reference position grasped by the fifth suction cup assembly 124 disposed thereon, and then the two sets of feeding and handling mechanisms 12 are adjusted. Move relative to the feeding transmission mechanism 11 until both sets of fifth suction cup assemblies 124 move to the third station position CV3, and at the same time place the battery slices grasped by the two sets of fifth suction cup assemblies 124 at the third station position. On work platform 22 at CV3.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and their purpose is to enable those who are familiar with the art to understand the content of the present invention and implement it, and cannot limit the scope of protection of the present invention with this, all according to the spirit of the present invention Substantially equivalent changes or modifications should be included within the protection scope of the present invention.

Claims (12)

1. A double-cell battery test device, comprising a feeding mechanism, the test device has a feeding station and a testing station, and the battery can be transferred from the feeding station to the testing station. It is characterized in that: the feeding mechanism includes two sets of feeding transmission mechanisms arranged in parallel and an upper feeding mechanism for transporting the battery sheets from the two sets of the feeding transmission mechanisms to the position of the feeding station respectively. A material handling mechanism, the testing device further includes a testing machine which is arranged at the testing station and can test two battery sheets simultaneously. 2 . The double-cell cell testing device according to claim 1 , wherein the testing machine comprises a probe assembly, and the probe assembly a plurality of upper probes on the fixing frame, a lower fixing frame that can be slid up and down, and a plurality of lower probes arranged on the lower fixing frame, the upper fixing frame and the lower fixing frame each have two pieces In the non-conductive area, the upper probe and the lower probe are respectively arranged in the two non-conductive areas in a one-to-one correspondence. 3 . The double-cell cell test device according to claim 2 , wherein the upper fixing frame and the lower fixing frame are made of printed circuit boards. 4 . 4 . The double-cell cell test device according to claim 1 , wherein the test device further comprises a detection mechanism for testing the positional deviation of the cell and a detection mechanism for adjusting the position of the cell in the X-axis direction and the Y-axis direction. 5 . The XYT adjustment mechanism of the direction and the angle in the XY plane is provided on the XYT adjustment mechanism so that the position of the feeding and conveying mechanism can be adjusted along the X-axis direction. 5 . The double-cell cell test device according to claim 4 , wherein the feeding and handling mechanism and the XYT adjusting mechanism are provided with one group respectively, and the feeding and handling mechanism includes two sets of suction cup assemblies, 6 . The two sets of suction cup assemblies are respectively set in a one-to-one correspondence with the two sets of the feeding and conveying mechanisms, and each set of the suction cup assemblies can absorb a set of battery chips on the feeding and conveying mechanisms and transport them to the feeding workers At the position, the two groups of the suction cup assemblies can be set up and down independently. 6 . The double-cell cell testing device according to claim 4 , wherein the loading and handling mechanism and the XYT adjustment mechanism are respectively provided with two groups, and each group of the XYT adjustment mechanism is provided with one group. 7 . In the feeding and handling mechanism, each set of the feeding and handling mechanism includes a set of suction cup assemblies that can be arranged up and down, and the suction cup assemblies of the two sets of the feeding and handling mechanisms are respectively connected with the two sets of the feeding The mechanisms are arranged in a one-to-one correspondence, and each group of the suction cup assemblies can absorb a group of the battery sheets on the material feeding and conveying mechanism and transport them to the position of the material feeding station. 7 . The double-cell cell test device according to claim 1 , wherein the test device further comprises a turntable mechanism, and the turntable mechanism comprises a rotatably provided rotary table and a rotary table provided on the rotary table. 8 . There are multiple working platforms on the machine, and the loading station and the testing station are sequentially arranged on the trajectory that the rotating working platform drives each working platform to rotate, and each of the working platforms can be at least side by side at the same time. Place two battery slices. 8 . The double-cell cell testing device according to claim 1 , wherein the testing device further has a blanking station, the testing device further comprises a blanking mechanism, and the blanking mechanism comprises two parallel groups. 9 . The provided unloading conveying mechanism and the unloading conveying mechanism capable of simultaneously transporting two battery pieces from the unloading station to the two sets of the unloading conveying mechanisms. 9. A method for testing a double-cell battery, characterized in that: using the testing device according to any one of claims 1 to 8 for testing, the testing method comprises: passing through two groups of the feeding and conveying mechanisms, respectively After transferring two battery pieces to the set position, the feeding and conveying mechanism grabs two sets of battery pieces on the feeding and conveying mechanism, and transports the two battery pieces to the feeding station After being transported to the test station position, the efficiency of the two cell sheets is simultaneously tested by the test machine. 10 . The method for testing two-piece battery slices according to claim 9 , wherein the loading and conveying mechanism grabs two sets of battery slices on the loading and conveying mechanism at the same time, and simultaneously transports the two battery slices to the battery. 11 . When the position of the loading station is to adjust the positions of the two battery pieces successively, the two battery pieces are successively placed at the position of the loading station. 11 . The method for testing two-cell battery slices according to claim 9 , wherein the feeding and conveying mechanism successively grabs two sets of battery slices on the feeding and conveying mechanism, and adjusts the distance between the two battery slices successively. 12 . After being positioned, the two battery sheets are simultaneously transported to the loading station position and placed at the loading station position at the same time. 12 . The method for testing two-cell battery slices according to claim 9 , wherein the feeding and conveying mechanism simultaneously grabs two sets of battery slices on the feeding and conveying mechanism, and simultaneously transports the two battery slices to the battery. 13 . When the position of the loading station is to adjust the positions of the two battery sheets at the same time, and place the two battery sheets at the position of the loading station at the same time, or the loading and handling mechanism simultaneously grabs two sets of the For the battery pieces on the feeding transmission mechanism, after adjusting the positions of the two battery pieces at the same time, the two battery pieces are transported to the loading station position at the same time, and the two battery pieces are placed at the loading station position at the same time. place.

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