CN219851445U - Knocking tool and checking device - Google Patents

Abstract

The embodiment of the utility model provides a knocking tool and a checking device, and relates to the field of battery manufacturing. The knocking tool comprises a knocking piece, a movable piece and a counting piece; wherein, the one end of knocking the spare is formed with the arc head, strikes the utmost point ear of perk through the arc head and levels, avoids there being the edges and corners to cause the damage to the electric core. The knocking piece is internally provided with a movable cavity, the movable piece and the counting piece are both arranged in the movable cavity, and the movable piece is used for moving along the movable cavity to extrude or keep away from the counting piece. In the knocking process, the movable piece moves along with the knocking action in the movable cavity, the counting piece is subjected to extrusion action, the number of times of knocking is accurately recorded by the counting piece, the statistical error is reduced, and the fact that the knocking tool cannot be replaced in time after the service life of the knocking tool is prolonged is avoided. The inspection device comprises a knocking tool, and the knocking tool has the full functions of the knocking tool.

Description

Knocking tool and checking device

Technical Field

The utility model relates to the field of battery manufacturing, in particular to a knocking tool and a checking device.

Background

The phenomenon that the lug of the current collecting plate is tilted exists in the welding process of the battery core of the lithium battery module, knocking and smashing are needed, and otherwise, the phenomenon of short circuit can occur. The existing knocking tool has edges and corners, and the battery cell is easy to damage during knocking. Meanwhile, in order to ensure the knocking effect of the knocking tool, the knocking times need to be counted, and the statistical error is very easy to exist in a manual statistical mode, so that the knocking tool cannot be replaced in time after the service life of the knocking tool is prolonged, and the knocking effect is further affected.

Disclosure of Invention

The utility model provides a knocking tool and a checking device, which can be used for knocking a tab and simultaneously avoiding damaging a battery cell, and can be used for accurately counting the knocking times so as to avoid the situation that the knocking tool cannot be replaced in time after the service life of the knocking tool is prolonged.

Embodiments of the utility model may be implemented as follows:

embodiments of the present utility model provide a tapping tool comprising:

a knocking piece, a movable piece and a counting piece;

wherein, the one end of knocking the piece is formed with the arc head, is provided with the movable chamber in the knocking the piece, and movable part and counting member all set up in the movable chamber, and the movable part is used for removing in order to extrude or keep away from the counting member along the movable chamber.

Optionally, the knocking piece comprises a body and a cover body which are detachably connected, the arc head is located at one end of the body away from the cover body, the one end of the body close to the cover body is provided with a containing groove, the movable piece is arranged in the containing groove, the cover body is provided with a containing hole, the counting piece is arranged in the containing hole, and the containing groove and the containing hole are communicated to form a movable cavity.

Optionally, the movable piece comprises a movable block and a touch core, and the touch core is embedded at the end part of the movable block and is used for extruding or keeping away from the counting piece.

Optionally, the movable piece further comprises a spring, the spring is arranged between the movable block and the counting piece, and the touch core is arranged on the inner side of the spring.

Optionally, the touch core is an iron core.

Optionally, the counting component comprises a sensing piece and a display, wherein the sensing piece and the display are communicated, the movable piece is used for extruding or keeping away from the sensing piece, and the display is used for outputting extrusion frequency information representing the movable piece to the sensing piece.

Optionally, the body is provided with the bellying near the one end of lid, and the one end that the lid is close to the body is provided with the depressed part, and bellying and depressed part can dismantle the connection.

Optionally, the protrusion and the recess are threadedly connected.

Optionally, the arc head is spherical.

Embodiments of the present utility model also provide an inspection apparatus including a tapping tool.

The knocking tool and the checking device provided by the embodiment of the utility model have the beneficial effects that:

the knocking tool comprises a knocking piece, a movable piece and a counting piece; wherein, the one end of knocking the spare is formed with the arc head, strikes the utmost point ear of perk through the arc head and levels, avoids there being the edges and corners to cause the damage to the electric core. The knocking piece is internally provided with a movable cavity, the movable piece and the counting piece are both arranged in the movable cavity, and the movable piece is used for moving along the movable cavity to extrude or keep away from the counting piece. In the knocking process, the movable piece moves along with the knocking action in the movable cavity, the counting piece is subjected to extrusion action, the number of times of knocking is accurately recorded by the counting piece, the statistical error is reduced, and the fact that the knocking tool cannot be replaced in time after the service life of the knocking tool is prolonged is avoided.

The inspection device comprises a knocking tool, and the knocking tool has the full functions of the knocking tool.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a tapping tool according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a tapping tool provided in an embodiment of the present utility model;

FIG. 3 is a schematic view of the position of the accommodating groove according to the embodiment of the utility model;

fig. 4 is a schematic view of the location of the receiving hole according to an embodiment of the present utility model.

Icon: 100-tapping tool; 110-knocking piece; 1101-active cavity; 111-arc heads; 112-body; 1121-a receiving groove; 1122-a boss; 113-a cover; 1131-receiving holes; 1132-recesses; 130-a movable member; 131-movable block; 132-touching the core; 133-a spring; 150-counting parts; 151-sensing piece; 152-a display;

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.

The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Unless specifically stated or limited otherwise, terms such as "disposed," "connected," and the like should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that the features of the embodiments of the present utility model may be combined with each other without conflict.

Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. Lithium metal batteries were first proposed and studied by Gilbert n.lewis in 1912. At 70 s of the 20 th century, m.s. whittingham proposed and began to study lithium ion batteries. The chemical characteristics of lithium metal are very active, so that the processing, storage and use of lithium metal have very high requirements on environment. With the development of science and technology, lithium batteries have become the mainstream of automobile power batteries.

The inventor researches that the phenomenon that the lug of the current collecting plate is tilted in the welding process of the battery core of the lithium battery module needs to be knocked and flattened, otherwise, the phenomenon of short circuit can occur. The existing knocking tool has edges and corners, and the battery cell is easy to damage during knocking. Meanwhile, in order to ensure the knocking effect of the knocking tool, the knocking times need to be counted, and the statistical error is very easy to exist in a manual statistical mode, so that the knocking tool cannot be replaced in time after the service life of the knocking tool is prolonged, and the knocking effect is further affected.

Referring to fig. 1 to 4, the foregoing problems can be solved by the tapping tool 100 and the inspection device according to the present utility model, which will be described in detail below.

The tapping tool 100 includes a tapping member 110, a movable member 130, and a counter member 150; wherein, one end of the knocking member 110 is formed with an arc head 111, a movable cavity 1101 is provided in the knocking member 110, the movable member 130 and the counter 150 are both disposed in the movable cavity 1101, and the movable member 130 is used for moving along the movable cavity 1101 to squeeze or separate from the counter 150.

In the above technical scheme, through setting up the arc head 111, make arc head 111 and pole piece contact in the striking in-process to beat the perk pole piece and level, avoid there being the edges and corners to cause the damage to the electric core. Moreover, by arranging the movable cavity 1101 to accommodate the movable member 130, the movable member 130 moves along with the knocking action in the movable cavity 1101, so that the counting member 150 is pressed, the number of times of knocking is accurately recorded by the counting member 150, and further, statistical errors are avoided.

In this embodiment, the arc head 111 is spherical, so that a worker can conveniently hold the knocking tool 100 at a plurality of angles to knock the tilted tab flat, thereby improving the convenience of operation.

It should be noted that, in other embodiments of the present utility model, the arc head 111 may have other shapes such as an ellipse.

Optionally, the knocking member 110 includes a body 112 and a cover 113 that are detachably connected, the arc head 111 is located at one end of the body 112 away from the cover 113, a containing groove 1121 is formed at one end of the body 112 close to the cover 113, the movable member 130 is disposed in the containing groove 1121, a containing hole 1131 is formed in the cover 113, the counting member 150 is disposed in the containing hole 1131, and the containing groove 1121 and the containing hole 1131 are communicated to form a movable cavity 1101.

In the above-described embodiments, the movable chamber 1101 is opened by detaching the separation body 112 and the cover 113, so that the movable member 130 and the counter member 150 can be easily installed and replaced.

In addition, the arc head 111 can be detachably connected with the body 112, and when the number of knocking times reaches a certain value, the arc head 111 can be independently replaced, so that the knocking cost is reduced.

In this embodiment, the accommodating groove 1121 is cylindrical, the accommodating hole 1131 is T-shaped, one end of the accommodating hole 1131 with smaller inner diameter is communicated with the accommodating groove 1121, and the accommodating hole 1131 penetrates the cover 113.

Optionally, the movable member 130 includes a movable block 131 and a trigger core 132, and the trigger core 132 is embedded at an end of the movable block 131 and is used to squeeze or separate from the counter 150.

In the above technical solution, the movable block 131 is configured to move along with the knocking operation in the accommodating cavity, and meanwhile, drive the touch core 132 to move, and perform knocking counting by contacting the touch core 132 with the counting member 150.

Optionally, the movable member 130 further includes a spring 133, the spring 133 is disposed between the movable block 131 and the counter member 150, and the trigger core 132 is disposed inside the spring 133.

In the above technical solution, the spring 133 is used for buffering the movable block 131 and the counting member 150, so as to avoid the accidental injury caused by the movable block 131 directly striking the counting member 150, and simultaneously, the touch core 132 is penetrated through the inner side of the spring 133, so that the touch core 132 contacts with the counting member 150.

Specifically, the movable block 131 is also cylindrical, and the movable block 131 is in clearance fit with the accommodating groove 1121, so that the side wall of the accommodating groove 1121 is prevented from obstructing the movable block 131, so that the movable block 131 moves in the accommodating groove 1121.

Optionally, the counting element 150 includes a sensing piece 151 in communication with the display 152, the movable element 130 being configured to press against or away from the sensing piece 151, and the display 152 being configured to output information indicative of a frequency of pressing of the movable element 130 against the sensing piece 151. Specifically, the sensing piece 151 is for contacting the touch core 132, and the touch core 132 may be an iron core, and the sensing piece 151 may be a magnetic switch.

In the above technical solution, a signal is generated by contacting the sensing piece 151 with the touch core 132, and the signal is transmitted to the display 152, and the display 152 displays the contact times of the sensing piece 151 and the touch core 132, that is, the striking times of the arc head 111 to the pole piece.

It should be noted that, a controller is disposed inside the display 152 and/or the sensing piece 151, and the controller has the functions of receiving, sending and converting signals, so that the electrical signals can be converted into digital signals, and a worker can conveniently and directly read the digital display content of the display 152.

In addition, a switch may be provided in communication with the controller to allow the display 152 to be zeroed for recounting when the arc head 111 is replaced or a re-technique is required.

Optionally, a protruding portion 1122 is disposed at an end of the body 112 near the cover 113, and a recess 1132 is disposed at an end of the cover 113 near the body 112, where the protruding portion 1122 and the recess 1132 are detachably connected. Specifically, the boss 1122 and the recess 1132 are threadably coupled.

In the above technical solution, the protruding portion 1122 and the recessed portion 1132 are provided to form a mortise-tenon fit, which is helpful to increase the connection stability of the body 112 and the cover 113. In addition, the two parts can be detachably connected through screw thread matching, and the characteristic that the rotation direction of the screw thread is different from the knocking action direction is utilized, so that the protruding part 1122 and the concave part 1132 are prevented from being easily separated in the knocking process.

Specifically, a through hole is provided in the recess 1132, and the through hole is used for communicating the accommodation groove 1121 and the accommodation hole 1131. External threads may be provided on the exterior of the boss 1122 and internal threads may be provided on the inner wall of the through-hole of the recess 1132, such that the boss 1122 and the recess 1132 are threadedly coupled.

The working principle of the knocking tool 100 provided by the embodiment of the utility model is as follows:

when the striking tool 100 is idle, the spring 133 is in a relaxed state, so that the trigger core 132 is far away from the sensing piece 151. When the tilted tab needs to be knocked, a worker can hold the body 112 or the cover 113, so that the arc head 111 contacts the tab to perform knocking operation. The movable block 131 moves in the movable chamber 1101 with the knocking operation, and presses the spring 133 so that the touch core 132 contacts the sensing piece 151. Each time a knocking operation is performed, the touch core 132 contacts with the sensing piece 151 in sequence, and the display 152 counts and displays the contact times of the touch core and the sensing piece, namely the knocking times, so that the worker can directly observe the reading conveniently.

Embodiments of the present utility model also provide an inspection apparatus including the tapping tool 100 described above.

The inspection device comprises the knocking tool 100 and a measuring tool, wherein the knocking tool 100 is used for knocking the tilted lug, and the measuring tool can be used for measuring the tilting height of the lug before knocking so as to determine knocking times and strength; the measuring tool can be used for detecting the knocked tab, so that the height difference between the tab and the battery cell is ensured to be within the assembly allowable range. The inspection device includes the bridge deck 100, which has the full functionality of the tapping tool 100.

The tapping tool 100 and the inspection device provided by the embodiments of the present utility model have at least the following advantages:

(1) The arc head 111 contacts with the pole piece in the knocking process, so that the tilted pole piece is knocked flat, and the damage of the battery core caused by the existence of the edge angle is avoided;

(2) The movable part 130 moves along with the knocking action in the movable cavity 1101, the counting part 150 is subjected to extrusion action, the number of knocking times is accurately recorded by the counting part 150, and further, statistical errors are avoided, and the arc head 111 is prevented from influencing the knocking effect due to longer service life;

(3) The spring 133 is used for buffering the movable block 131 and the counting piece 150 before the movable block 131 directly impacts the counting piece 150, so that accidental injury is avoided;

(4) The display 152 is set to display the contact times of the sensing piece 151 and the touch core 132, namely the knocking times of the arc head 111 to the pole piece, so that the worker can directly read the number.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. A tapping tool, comprising:

a striking member (110), a movable member (130), and a counter member (150);

wherein, one end of knocking piece (110) is formed with arc head (111), be provided with movable chamber (1101) in knocking piece (110), movable piece (130) with counting piece (150) all set up in movable chamber (1101), movable piece (130) are used for following movable chamber (1101) remove in order to extrude or keep away from counting piece (150).

2. The knocking tool according to claim 1, wherein said knocking member (110) includes a body (112) and a cover body (113) which are detachably connected, said arc head (111) is located at an end of said body (112) away from said cover body (113), a containing groove (1121) is provided at an end of said body (112) close to said cover body (113), said movable member (130) is provided in said containing groove (1121), a containing hole (1131) is provided in said cover body (113), said counter member (150) is provided in said containing hole (1131), and said containing groove (1121) and said containing hole (1131) are communicated to form said movable chamber (1101).

3. The tapping tool according to claim 1, wherein the movable member (130) comprises a movable block (131) and a trigger core (132), the trigger core (132) being embedded at an end of the movable block (131) and being adapted to press against or be remote from the counter member (150).

4. A tapping tool according to claim 3, wherein the movable member (130) further comprises a spring (133), the spring (133) being arranged between the movable block (131) and the counter member (150), and the trigger core (132) being arranged inside the spring (133).

5. A tapping tool according to claim 3, wherein the trigger core (132) is an iron core.

6. The tapping tool according to claim 1, wherein the counter (150) comprises a sensor pad (151) and a display (152) in communication, the moveable member (130) being adapted to press against or away from the sensor pad (151), the display (152) being adapted to output information indicative of a frequency of pressing of the moveable member (130) against the sensor pad (151).

7. The knocking tool according to claim 2, wherein a protruding portion (1122) is provided at an end of said body (112) close to said cover body (113), a recessed portion (1132) is provided at an end of said cover body (113) close to said body (112), and said protruding portion (1122) and said recessed portion (1132) are detachably connected.

8. The tapping tool according to claim 7, wherein the protruding portion (1122) and the recessed portion (1132) are screwed together.

9. Tapping tool according to any one of claims 1-8, wherein the arc head (111) is spherical.

10. A testing device comprising a tapping tool according to any one of claims 1-9.