CN107422154A - IV test devices - Google Patents

Abstract

The invention discloses an IV test device, which includes a probe mechanism, a bracket mechanism used in conjunction with the probe mechanism, and a first motor; the probe mechanism includes a probe and a first conversion device, the The first conversion device is connected with the first motor, and converts the rotation of the first motor into a linear motion to drive the probe up and down. In the IV testing device of the present invention, a first motor and a first converting device are added. The first motor is connected with the first conversion device, and the first conversion device converts the rotation of the first motor into linear motion, thereby driving the probe to go up and down. The present invention adjusts the probe through the first motor and the first conversion device. Compared with the traditional manual adjustment, the present invention realizes the automatic adjustment of the probe, and the adjustment accuracy is higher than manual manual adjustment. In addition, the probe and the bracket in the present invention can also move left and right, and can test different types of batteries.

Description

IV test device

technical field

The invention relates to the production field of electric cores, and more specifically relates to an IV testing device.

Background technique

During the production process of the battery cell, the finished battery cell needs to be tested by the IV test device. During the IV test, the tab of the cell is placed on the bracket mechanism, and the probe mechanism moves down until the probe presses the positive tab of the cell, and the bayonet pops out to press the edge of the cell, so that the electrode of the cell can be measured The voltage difference from the edge of the cell. In the prior art, the bracket mechanism in the IV testing device cannot be adjusted, so only the height of the probe can be adjusted, but the height of the probe can only be adjusted manually, and the adjustment accuracy of manual adjustment is low, which is very easy to cause Poor contact between the probe and the tab or the positive tab is crushed.

Therefore, how to realize the automatic adjustment of the probe and improve the adjustment precision of the probe is a key problem to be solved urgently by those skilled in the art.

Contents of the invention

The object of the present invention is to provide an IV testing device, which can realize the automatic adjustment of the probe and has high adjustment accuracy.

To achieve the above object, the present invention provides the following technical solutions:

A kind of IV testing device, comprises probe mechanism, the carriage mechanism that cooperates with described probe mechanism, also comprises first motor; Described probe mechanism comprises probe and first conversion device, and described first conversion device It is connected with the first motor, converts the rotation of the first motor into linear motion, and drives the lifting of the probe.

Preferably, a second motor is also included; the bracket mechanism includes a bracket and a second conversion device, and the second conversion device is connected with the second motor to convert the rotation of the second motor into linear motion, Drive the lifting of the bracket.

Preferably, both the probe mechanism and the bracket mechanism are plural.

Preferably, the first conversion device includes a first gear, a first rack meshed with the first gear, the first rack is connected with the probe, and also includes a first rotating shaft, the first The rotating shaft is keyed to all the first gears, and the first motor drives the first rotating shaft to rotate.

Preferably, the second conversion device includes a second gear, a second rack meshed with the second gear, the second rack is connected with the bracket, and also includes a second rotating shaft, the second The rotating shaft is keyed to all the second gears, and the second motor drives the second rotating shaft to rotate.

Preferably, it also includes a driving device for driving all the probes and all the brackets to move left and right; all the probes are connected to the first connecting plate, and all the brackets are connected to On the second connecting board, the driving device is connected with the first connecting board and the second connecting board.

Preferably, the driving device includes: a third motor, a screw mechanism connected to the third motor, the screw mechanism connected to the first connecting plate and the second connecting plate.

Preferably, the first connecting plate is connected to the second connecting plate, the first connecting plate is connected to a connecting block, and the connecting block is connected to the screw mechanism.

Preferably, it further includes a first guide rail matched with the first connecting plate, and the first guide rail extends in the left-right direction.

Preferably, it further includes a second guide rail matched with the second connecting plate, and the second guide rail extends in the left-right direction.

It can be seen from the above technical solutions that the IV testing device in the present invention adds a first motor and a first converting device. The first motor is connected with the first conversion device, and the first conversion device converts the rotation of the first motor into linear motion, thereby driving the probe to go up and down. The present invention adjusts the probe through the first motor and the first conversion device. Compared with the traditional manual adjustment, the present invention realizes the automatic adjustment of the probe, and the adjustment accuracy is higher than manual manual adjustment.

Description of drawings

In order to illustrate the solutions in the embodiments of the present invention more clearly, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For Those skilled in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is a schematic structural diagram of a probe mechanism and a bracket mechanism provided by a specific embodiment of the present invention;

Fig. 2 is the overall structure schematic diagram of the IV testing device that a specific embodiment of the present invention provides;

FIG. 3 is a top view of FIG. 2 .

Among them, 1 is the first rack, 2 is the first gear, 3 is the probe, 4 is the second rack, 5 is the second gear, 6 is the bracket, 7 is the electric core, 8 is the first shaft, 9 10 is the first motor, 11 is the second motor, 12 is the third motor, 13 is the connection block, and 14 is the first connection plate.

detailed description

The invention provides an IV test device, which can realize the automatic adjustment of the probe and has high adjustment precision.

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

Please refer to attached drawings 1-3. In a specific embodiment of the present invention, the IV test device includes: a probe mechanism, a bracket mechanism, and also includes a first motor 10 and a first conversion device.

The probe mechanism includes a probe 3 frame, a probe 3 installed on the probe 3 frame and a first converting device. The first conversion device is connected with the first electric machine 10 . The first motor 10 drives the first conversion device to run, and the first conversion device converts the rotation of the first motor 10 into linear motion, thereby driving the probe 3 to go up and down. The bracket mechanism is used to support the tabs of the battery cell 7 . When the tab of the cell 7 is placed on the bracket mechanism, the probe 3 moves down until the probe 3 presses the tab of the cell 7 tightly. In this embodiment, the probe 3 is adjusted through the first motor 10 and the first conversion device. Compared with the traditional manual adjustment, this embodiment realizes the automatic adjustment of the probe 3 , and the adjustment accuracy is higher than manual adjustment. The first conversion device that converts the rotation of the motor into linear motion can specifically be a screw mechanism, a rack and pinion mechanism, a hydraulic cylinder mechanism, etc. This paper does not limit the specific form of the first conversion device, as long as it can drive the bracket mechanism up and down, All fall within the scope of protection of this article.

In a specific embodiment of the present invention, a second motor 11 is also added. The bracket mechanism includes a bracket 6 and a second converting device. The second motor 11 is connected with the second conversion device, and the second conversion device is connected with the bracket mechanism. The second conversion device converts the rotation of the second motor 11 into a linear motion, thereby driving the carriage 6 up and down. In this embodiment, not only the height of the probe 3 can be adjusted, but also the height of the bracket 6 can be adjusted, so that it can adapt to the cells 7 of different specifications, and the application range of the IV testing device has been expanded.

In a specific embodiment of the present invention, it is defined that there are multiple probe mechanisms and bracket mechanisms. A combination of a probe mechanism and a bracket mechanism is used to detect a cell 7 . The lifting of the probe 3 is driven by the first motor 10 and the first converting device, and the lifting of the bracket 6 is driven by the second motor 11 and the second converting device.

In order to achieve unified control of the lifting of all probe mechanisms, the first conversion device in a specific embodiment of the present invention specifically includes a first gear 2 and a first rack 1 . The first gear 2 meshes with the first rack 1 . The first rack 1 is connected to the probe 3 . A first shaft 8 is also added, which is keyed to all first gears 2 . The first motor 10 is used to drive the first rotating shaft 8 to rotate. When the first rotating shaft 8 rotates, it drives all the first gears 2 to rotate, then all the first racks 1 will rise or fall, and then all the probes 3 will rise or fall simultaneously.

In the same way, in order to realize the unified control of lifting and lowering of all the bracket mechanisms, the second conversion device in a specific embodiment of the present invention specifically includes the second gear 5 and the second rack 4 . The second gear 5 meshes with the second rack 4 . The second rack 4 is connected with the bracket 6 . A second shaft 9 is also added, which is keyed to all the second gears 5 . The second motor 11 is used to drive the second rotating shaft 9 to rotate. When the second rotating shaft 9 rotates, it drives all the second gears 5 to rotate, then all the second racks 4 will rise or fall, and then all the brackets 6 will rise or fall simultaneously.

The positions of the tabs of different types of electric cores 7 are slightly different. In order to enable the IV testing device to test different types of electric cores 7 and broaden the scope of application of the IV testing device, the probe 3 and the holder in a specific embodiment of the present invention The frame 6 can move left and right, and its specific moving principle is as follows: all the probes 3 are connected to the first connecting plate 14, and all the brackets 6 are connected to the second connecting plate. A driving device is also added, and the driving device is used to drive the first connecting plate 14 and the second connecting plate to move left and right, then the first connecting plate 14 drives the probe 3 to move left and right, and the second connecting plate drives the bracket 6 to move left and right.

Specifically, the driving device is the third motor 12 and a lead screw mechanism. The third motor 12 drives the screw mechanism to expand and contract left and right, and the screw mechanism is connected to the first connecting plate 14 and the second connecting plate. When the lead screw stretches, it drives the first connecting plate 14 and the second connecting plate to move left and right.

Connection blocks 13 can also be added. First, the first connecting plate 14 and the second connecting plate are connected as one, and then the first connecting plate 14 is connected to the connecting block 13, and the connecting block 13 is connected to the lead screw mechanism.

In order to ensure the stability of the left and right movement of the probe 3, a first guide rail is added in a specific embodiment of the present invention. The first guide rail cooperates with the first connecting plate 14 to guide the first connecting plate 14 to ensure the stability of the left and right movement of the first connecting plate 14 , thus ensuring the stability of the left and right movement of the probe 3 . The first rail may be provided on the rear panel of the frame of the IV test set.

In the same way, in order to ensure the stability of the left and right movement of the bracket 6, a second guide rail is added in a specific embodiment of the present invention. The second guide rail cooperates with the second connecting plate to guide the second connecting plate to ensure the stability of the left and right movement of the second connecting plate, thus ensuring the stability of the left and right movement of the bracket 6 . The second rail may be provided on the rear panel of the frame of the IV test set.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. a kind of IV test devices, including the carriage mechanism that probe mechanism and the probe mechanism are used cooperatively, its feature exist In, in addition to the first motor (10)；The probe mechanism includes probe (3) and the first reforming unit, first reforming unit It is connected with first motor (10), the rotation of first motor (10) is converted into linear motion, drives the probe (3) Lifting.

2. IV test devices according to claim 1, it is characterised in that also including the second motor (11)；The bracket machine Structure includes bracket (6) and the second reforming unit, and second reforming unit is connected with second motor (11), by described second The rotation of motor (11) is converted into linear motion, drives the lifting of the bracket (6).

3. IV test devices according to claim 2, it is characterised in that the probe mechanism and the carriage mechanism are It is multiple.

4. IV test devices according to claim 3, it is characterised in that first reforming unit includes first gear (2), the first rack (1) engaged with the first gear (2), first rack (1) are connected with the probe (3), also wrapped First rotating shaft (8), the first rotating shaft (8) and all first gear (2) key connections are included, first motor (10) is driven The dynamic first rotating shaft (8) rotates.

5. IV test devices according to claim 4, it is characterised in that second reforming unit includes second gear (5), the second rack (4) engaged with the second gear (5), second rack (4) are connected with the bracket (6), also wrapped The second rotating shaft (9), second rotating shaft (9) and all second gear (5) key connections are included, second motor (11) is driven Dynamic second rotating shaft (9) rotates.

6. IV test devices according to claim 5, it is characterised in that also include being used to drive all probes And the drive device that moves left and right of all brackets (6) (3)；All probes (3) are all connected to the first connecting plate (14) on, all brackets (6) are all connected on the second connecting plate, the drive device and first connecting plate (14) Connected with second connecting plate.

7. IV test devices according to claim 6, it is characterised in that the drive device includes：3rd motor (12), The screw mechanism being connected with the 3rd motor (12), the screw mechanism connect with first connecting plate (14) and described second Fishplate bar connects.

8. IV test devices according to claim 7, it is characterised in that first connecting plate (14) connects with described second Fishplate bar connects, and first connecting plate (14) is connected with contiguous block (13), and the contiguous block (13) is connected with the screw mechanism.

9. IV test devices according to claim 7, it is characterised in that also include coordinating with first connecting plate (14) The first guide rail, first guide rail extends in the lateral direction.

10. IV test devices according to claim 7, it is characterised in that also include what is coordinated with second connecting plate Second guide rail, second guide rail extend in the lateral direction.