CN211626536U - Utmost point ear is glued disappearance check out test set - Google Patents

Abstract

The utility model provides a utmost point ear gum disappearance check out test set, include the probe subassembly, be used for fixing the anchor clamps of probe subassembly and with the signal control end that the probe subassembly electricity is connected, the probe subassembly includes probe and a plurality of probe down on a plurality of, and probe and a plurality of probe one-to-one setting down on a plurality of, go up the probe with be used for placing the determinand down between the probe, the signal control end is provided with a plurality of signal source, a plurality of the signal source with the probe subassembly passes through signal of telecommunication turn-on connection, wherein, two go up probe or two down probe connection is to same the signal source, or one go up probe and one with it corresponds the setting to go up the probe and is connected to same down the signal source. Compared with the prior art, the utility model discloses use the signal of telecommunication as leading, through discerning the defective products in advance, 100% guaranteed that disappearance utmost point ear glues examining of utmost point ear, avoided gluing various harm that the disappearance brought because of utmost point ear.

Description

Utmost point ear is glued disappearance check out test set

Technical Field

The utility model relates to a lithium cell field, concretely relates to utmost point ear gum disappearance check out test set.

Background

With the increasing demand of consumer electronics, the demand of lithium batteries used in consumer electronics is increasing, and people have raised higher and higher requirements for the quality of batteries. In the winding process of the lithium ion battery, due to the lack of a device capable of effectively detecting and picking out the bad products of the tab glue on the winding machine, after the pole piece is wound on the winding machine, the pole piece is welded in a pole piece empty foil area after moving to the corresponding position, then the next process is carried out after the pole piece is wound into a finished product naked electric core, and the tab glue detection is also carried out manually after the pole piece is wound into the finished product naked electric core, but the tab glue is white and transparent, the manual detection cannot guarantee 100 percent detection, the condition that individual products escape is easily caused, and the leakage is easily caused after the product of the non-polar tab glue escapes into the next process, so that the pollution of other electric cores is. In addition, if tab glue is lost, the tab is not subjected to function detection of tab glue loss before welding, and the tab is wound into a bare cell after welding, so that material loss cost is wasted for 2 times; in addition, if tab glue in the battery cell is absent or incomplete, after the battery cell is used for a certain time, as a channel is formed between the tab and the aluminum-plastic film packaging area after the battery cell is placed for a long time, the battery cell is easy to swell and break a PP layer, so that liquid leakage is caused, customers are caused to complain about goods, and subsequent production profit is influenced. Therefore, it is necessary to provide a technical solution to the above-mentioned problems.

The Chinese utility model patent (CN204085485U) provides a detection device for a tab glue defective product of a flexible package lithium battery, which comprises a frame, a tab glue thickness detection mechanism and a tab guide mechanism, wherein the tab glue thickness detection mechanism is arranged on the frame respectively, the tab glue thickness detection mechanism comprises an inductor, a probe mounting plate, a first cylinder, an adjusting fixing plate, a connecting plate and a detection substrate, the inductor is locked on the probe mounting plate, the probe mounting plate is fixedly connected with a piston rod of the first cylinder, the first cylinder is connected with the adjusting fixing plate, and the adjusting fixing plate is connected with the connecting plate; the rack comprises a supporting plate and a supporting vertical plate, the connecting plate is locked on the supporting plate, the detection substrate is fixed on the supporting plate, and the supporting plate is fixed on the supporting vertical plate. Although this patent discloses a detection device for tab glue, this detection method adopts thickness detection, and the thickness of tab glue itself is extremely thin, though can adopt the thickness inductor of high accuracy, still appears the inaccurate condition such as missing easily, still can not 100% guarantee tab glue detect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a utmost point ear is glued and is lacked check out test set, through having pointed to the utmost point ear glue before utmost point ear welding and detecting, discern defective products in advance, guaranteed that 100% detects the utmost point ear that lacks utmost point ear glue, practiced thrift subsequent cost, improved the goodness of production efficiency and product.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a utmost point ear gum disappearance check out test set, includes the probe subassembly, is used for fixing the anchor clamps of probe subassembly and with the signal control end that the probe subassembly electricity is connected, the probe subassembly includes probe and a plurality of down probe, a plurality of go up probe and a plurality of probe one-to-one sets up down, go up the probe with be used for placing the article to be measured down between the probe, the signal control end is provided with a plurality of signal source, a plurality of the signal source with the probe subassembly passes through the signal of telecommunication switch-on connection, wherein, two go up probe or two the probe is connected to same down the signal source, or one go up probe and one with it corresponds the setting to go up the probe and is connected to same down the signal source.

The utility model provides a check out test set utilizes the signal of telecommunication to be leading, because utmost point ear glue is the insulator, from this the signal of telecommunication between the accessible probe condition of switching on and then judges utmost point ear glue whether exist the disappearance, convey the testing condition of all probes to signal control end through the signal source, if there is the condition that wherein the probe switched on, then NG setting appears in the signal control end, only when all probe detections all satisfy the logic design of signal control end, the detection that utmost point ear glue was glued when all probes were the non-conducting state just shows for OK promptly, pass through the test promptly, utmost point ear glue does not have the disappearance. The utility model discloses a detection device is through discerning defective products in advance, 100% guaranteed that disappearance utmost point ear glues examining of utmost point ear, has avoided gluing various harm that the disappearance brought because of utmost point ear.

Preferably, the upper probe comprises a first probe, a second probe, a third probe and a fourth probe; the lower probe comprises a fifth probe, a sixth probe, a seventh probe and an eighth probe; the first probe and the sixth probe are communicated to a first signal source of the signal control end and are used for detecting the left side of the tab adhesive, the second probe and the fourth probe are communicated to a second signal source of the signal control end and are used for detecting the tab adhesive of an upper metal belt, the third probe and the eighth probe are communicated to a third signal source of the signal control end and are used for detecting the right side of the tab adhesive, and the fifth probe and the seventh probe are communicated to a fourth signal source of the signal control end and are used for detecting the tab adhesive of a lower metal belt. The first probe and the sixth probe are a signal source which is connected to the signal control end in a vertical conduction mode to form a loop, when tab glue is lost at one end detected by the first probe and the sixth probe, the first probe and the sixth probe are in contact to form a loop, and the signal control end displays that the signal source is NG; similarly, the third probe and the eighth probe are also conducted up and down. And the fifth probe and the seventh probe are arranged above and are connected to a signal source in a left-right conduction mode, when no tab glue exists near the upper metal belt, the third probe and the eighth probe are conducted through the metal belt to form a through loop, the signal control end displays that the signal source is NG, and similarly, the fifth probe and the seventh probe are also used for detecting the tab glue of the lower metal belt in a left-right conduction mode. On the contrary, as long as all signal sources are displayed as OK, the signal control end judges that the tab glue is OK, namely the test is passed, and the condition of deficiency does not exist.

Preferably, the probe assembly is made of a conductive metal material. Because the utility model discloses an adopt the mode of signal of telecommunication transmission to detect, the probe that consequently adopts should be the metal material that can electrically conduct, like any one in stainless steel material, copper product or silver-colored material etc..

Preferably, a plurality of signal sources of the signal control end adopt a parallel connection mode. The signal control end judges that the tab adhesive is in an OK state only when all the signal sources are in open circuit.

Preferably, the length of the upper probes fixed on the same fixture is the same, and the length of the lower probes fixed on the same fixture is the same. Anchor clamps can adopt conventional mechanical fixture to carry out the centre gripping, set up each probe in the export of difference, set up and adjust with utmost point ear gluey size, guarantee that four at least positions that utmost point ear glued all can be detected, then through the control to anchor clamps, when the article that awaits measuring is located the position of awaiting measuring promptly probe and time under between the probe, probe and lower probe are gone up to the simultaneous movement a plurality of, the length of guaranteeing to go up the probe is the same and the length of probe is the same can avoid again adjusting the speed of probe from top to bottom, as long as guarantee with the same speed motion can, and need not to carry out other speed design to different probes again.

Preferably, the monitoring system further comprises an alarm, the alarm is connected with the signal control end, and when the situation that the tab glue is lost is detected, the alarm gives a prompt. When the product to be tested does not pass the test, namely the situation that the tab glue is lost exists, the signal control end displays that the overall result is NG, and transmits the result to the alarm to give an alarm.

Preferably, one end of the probe assembly, which is in contact with the object to be tested, is set to be an arc surface or a plane, so that the contact area between the probe assembly and the tab glue is increased.

The beneficial effects of the utility model reside in that:

1) the utility model provides a utmost point ear gum disappearance check out test set, include the probe subassembly, be used for fixing the anchor clamps of probe subassembly and with the signal control end that the probe subassembly electricity is connected, the probe subassembly includes probe and a plurality of probe down on a plurality of, a plurality of go up probe and a plurality of probe one-to-one sets up down, go up the probe with be used for placing the article to be measured between the probe down, the signal control end is provided with a plurality of signal source, a plurality of the signal source with the probe subassembly passes through signal of telecommunication turn-on connection, wherein, two go up probe or two down the probe is connected to same the signal source, or one go up probe and one with it corresponds the setting to go up the probe and is connected to same down the signal source. Compared with the prior art, the utility model discloses use the signal of telecommunication to be the leading, utilized the nature that utmost point ear glued, through the signal of telecommunication switch-on condition between the probe and then judge that utmost point ear glues whether have the disappearance, through discerning defective products in advance, 100% has guaranteed that the detection of defect utmost point ear glues utmost point ear, has avoided gluing various harm that the disappearance brought because of utmost point ear. The equipment not only saves subsequent production cost, but also has low manufacturing cost and is suitable for industrialized application.

2) The utility model discloses a convey the detection condition of all probes to signal control end through the signal source, if there is the condition that wherein the probe switched on, then NG setting appears in the signal control end, only when all probe detection are non-conducting state, the detection that utmost point ear glued just shows for OK, through the test promptly, utmost point ear glues and does not have the disappearance. The equipment is simple to control and stable in detection, and improves the production efficiency and the product goodness.

Drawings

Fig. 1 is a schematic structural diagram of the apparatus of the present invention.

Fig. 2 is an enlarged schematic view of a in fig. 1.

In the figure: 1-a probe assembly; 11-probe on; 111-a first probe; 112-a second probe; 113-a third probe; 114-a fourth probe; 12-lower probe; 121-a fifth probe; 122-a sixth probe; 123-a seventh probe; 124-eighth probe; 2-clamping; and 3, controlling a signal terminal.

Detailed Description

In order to make the technical solutions and advantages of the present invention clearer, the present invention and its advantageous effects will be described in further detail below with reference to the accompanying drawings of the detailed description and the specification, but the present invention is not limited thereto.

As shown in fig. 1-2, a tab glue disappearance check out test set, including probe assembly 1, a signal control end 3 that is used for fixed probe assembly 1's anchor clamps 2 and is connected with probe assembly 1 electricity, probe assembly 1 includes probe 11 and probe 12 under a plurality of on a plurality of, probe 11 and a plurality of under a plurality of probe 12 one-to-one set up on a plurality of, be used for placing the article to be measured between probe 11 and the probe 12 down, signal control end 3 is provided with a plurality of signal source, a plurality of signal source passes through electric signal on-state connection with probe assembly 1, wherein, two are gone up probe 11 or two under probe 12 and are connected to same signal source, or one is gone up probe 11 and one and the lower probe 12 that sets up with last probe 11 correspondence is connected to same signal source. The probe assembly 1 is made of a conductive metal material, and may be made of any one of stainless steel, copper, silver, or the like. In addition, one end of the probe assembly 1, which is in contact with a product to be detected, is also provided with an arc surface or a plane so as to increase the contact area with the tab glue and improve the detection accuracy; the lug glue can also be arranged on one surface with a plurality of circular bulges, and a plurality of small balls are utilized to contact the lug glue. Probe 11 can set up in the upper end of same anchor clamps 2 in unison on a plurality of, and probe 12 can set up in the lower extreme of same anchor clamps 2 in unison under a plurality of, detects each part that utmost point ear glued simultaneously, certainly, can set up the probe respectively in anchor clamps 2 of difference, detects each part that utmost point ear glued in proper order. The length of a plurality of upper probes 11 arranged in the same fixture 2 is preferably kept consistent, and the same is true for the lower probes 12, so that the movement speed of the probes is prevented from being adjusted in multiple ways, and only the same falling speed is required. In addition, the signal source of the signal control end 3 adopts a parallel connection mode, so that the signal source is conveniently controlled, and only when all the signal sources are in an open circuit, the signal control end 3 judges that the tab adhesive is in an OK state. The signal control end 3 is also connected with an alarm, and when the situation that the tab adhesive is lost is detected, the alarm gives a prompt. When the product to be tested does not pass the test, namely the situation that the tab glue is lost exists, the signal control end 3 displays that the overall result is NG, and transmits the result to the alarm to give an alarm.

Wherein, the upper probe 11 can be provided with 4 probes, which are respectively a first probe 111, a second probe 112, a third probe 113 and a fourth probe 114; the lower probe 12 may also be provided with 4 probes, a fifth probe 121, a sixth probe 122, a seventh probe 123, and an eighth probe 124; the first probe 111 and the sixth probe 122 are correspondingly arranged up and down and communicated to a first signal source of the signal control end 3 for detecting the left side of the tab adhesive, the second probe 112 and the fourth probe 114 are correspondingly arranged left and right and communicated to a second signal source of the signal control end 3 for detecting the tab adhesive of the upper metal strip, the third probe 113 and the eighth probe 124 are correspondingly arranged up and down and communicated to a third signal source of the signal control end 3 for detecting the right side of the tab adhesive, and the fifth probe 121 and the seventh probe 123 are correspondingly arranged left and right and communicated to a fourth signal source of the signal control end 3 for detecting the tab adhesive of the lower metal strip.

In addition, the equipment is also connected with a defective product recovery box and used for recovering the product to be detected which lacks the tab glue. When the product to be tested does not pass the test, namely the situation that the tab glue is lost exists, the product to be tested is transported to a bad product recovery box to be recovered without being welded.

The utility model discloses detection method that utmost point ear glue lacks, including following step:

s1, self-test: the signal control end 3 is provided with automatic self-checking time, after the set time is reached, the lug is automatically brought to a preset position, the upper probe 11 and the lower probe 12 move to test a metal belt of the lug, if a plurality of signal sources of the signal control end 3 are in a conducting state, the probe assembly 1 is judged to be in a normal state, and detection is started; if at least one non-conduction state exists in a plurality of signal sources of the signal control end 3, the probe assembly 1 is judged to be in an abnormal state, detection is not started, the probe assembly 1 is checked or replaced until a plurality of signal sources of a detection result are in a conduction state, and detection on the tab glue is started. Wherein, the distance that predetermined position compares utmost point ear normal motion is 5 ~ 15mm more, can set up predetermined distance as normal distance +10 mm. The self-checking mainly is because the most part of conventional utmost point ear glue all adopts the PP material, and the condition that the probe subassembly appears wearing and tearing or pastes the foreign matter after working for a long time easily, need carry out the self-checking to the probe subassembly to ensure that there is not the dislocation between the probe subassembly or have the foreign matter separation to lead to the condition of test failure, guaranteed the stability of test result.

And S2, placing the object to be tested between the upper probe 11 and the lower probe 12 for detection.

S3, the upper probe 11 and the lower probe 12 move to clamp the object to be tested, wherein, the two upper probes 11 or the two lower probes 12 are conducted to the same signal source connected to the signal control end 3 through electric signals, or one upper probe 11 and one lower probe 12 arranged corresponding to the upper probe 11 are connected to another signal source; if a plurality of signal sources of the signal control end 3 are in a non-conduction state, judging that the product to be detected does not have eargel loss; and if at least one of the signal sources of the signal control end 3 is in a conducting state, judging that the product to be detected has tab glue loss. When at least one of the signal sources of the signal control end 3 is in a conducting state, the tab glue judged to be missing is conveyed to a defective product recovery box; when at least one of the signal sources of the signal control end 3 is in a conducting state, the pole lug glue loss of the product to be detected is judged, the signal control end 3 transmits the result to the alarm, and the alarm gives an alarm prompt. The alarm can be arranged in the signal control end 3, which is equivalent to one of small alarm programs, and the alarm does not need to be additionally installed so as to save the production cost.

For example, when the upper probe 11 and the lower probe 12 are each provided in 4, wherein the upper probe 11 includes a first probe 111, a second probe 112, a third probe 113, and a fourth probe 114; the lower probe 12 includes a fifth probe 121, a sixth probe 122, a seventh probe 123, and an eighth probe 124. The first probe 111 and the sixth probe 122 are a signal source which is connected to the signal control end 3 in a vertical conduction manner to form a loop, when the tab glue is missing at one end of the detection, the first probe 111 contacts with the sixth probe 122 to form a loop, and the signal control end 3 displays that the signal source is NG; similarly, the third probe 113 and the eighth probe 124 are also in a vertical conduction manner. The second probe 112 and the fourth probe 114 are disposed above and connected to a signal source in a left-right conduction manner, when no tab glue exists near the upper metal strip, the third probe 113 and the eighth probe 124 are conducted through the metal strip to form a conduction loop, the signal control end 3 indicates that the signal source is NG, and similarly, the fifth probe 121 and the seventh probe 123 are also used for detecting the tab glue of the lower metal strip in a left-right conduction manner. On the contrary, as long as all signal sources are displayed as OK, the signal control end 3 judges that the tab adhesive is OK, namely, the test is passed, and the condition of absence does not exist; when the signal control end 3 judges the tab glue to be missing, the result is transmitted to an alarm for prompting, and the missing tab glue is conveyed to a bad product recovery box.

The utility model provides a missing check out test set is glued to utmost point ear to the signal of telecommunication between the probe subassembly switches on as leading, through the condition of switching on of probe and then finally judge the missing condition that utmost point ear glued, compare and utilize thickness to detect in prior art, improved the degree of accuracy that detects, can discern defective products in advance, and this method control is simple, only need control signal source the condition can, guaranteed that defective utmost point ear glues 100% and examined out, practiced thrift subsequent cost, improved the goodness of production efficiency and product.

Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Claims (8)

1. The utility model provides a lug glue disappearance check out test set which characterized in that, include the probe subassembly, be used for fixing the anchor clamps of probe subassembly and with the signal control end that the probe subassembly electricity is connected, the probe subassembly includes probe and a plurality of down probe, a plurality of go up probe and a plurality of down the probe one-to-one sets up, go up the probe with be used for placing the article to be measured down between the probe, the signal control end is provided with a plurality of signal source, a plurality of the signal source with the probe subassembly passes through signal of telecommunication turn-on connection, wherein, two go up probe or two down the probe is connected to same the signal source, or one go up probe and one with it corresponds the setting to go up the probe and is connected to same the signal source down.

2. The tab glue loss detection device according to claim 1, wherein the upper probe comprises a first probe, a second probe, a third probe and a fourth probe; the lower probe comprises a fifth probe, a sixth probe, a seventh probe and an eighth probe; the first probe and the sixth probe are communicated to a first signal source of the signal control end and are used for detecting the left side of the tab adhesive, the second probe and the fourth probe are communicated to a second signal source of the signal control end and are used for detecting the tab adhesive of an upper metal belt, the third probe and the eighth probe are communicated to a third signal source of the signal control end and are used for detecting the right side of the tab adhesive, and the fifth probe and the seventh probe are communicated to a fourth signal source of the signal control end and are used for detecting the tab adhesive of a lower metal belt.

3. The tab glue loss detection apparatus according to claim 1, wherein the probe assembly is made of a conductive metal material.

4. The tab glue loss detection device according to claim 1, wherein a plurality of signal sources of the signal control terminal are connected in parallel.

5. The tab glue loss detection device according to claim 1, wherein the upper probes fixed on the same fixture have the same length, and the lower probes fixed on the same fixture have the same length.

6. The tab glue loss detection device according to claim 1, further comprising an alarm connected to the signal control terminal, wherein the alarm gives an alarm when a tab glue loss is detected.

7. The tab glue loss detection device according to claim 1, wherein the device is used for detection of anode tab glue and/or cathode tab glue.

8. The tab glue loss detection equipment according to claim 1, wherein one end of the probe assembly, which is in contact with the object to be tested, is set to be an arc surface or a plane surface.

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