CN212747642U - Detection device for collecting electrons - Google Patents
Detection device for collecting electrons Download PDFInfo
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- CN212747642U CN212747642U CN202021680912.5U CN202021680912U CN212747642U CN 212747642 U CN212747642 U CN 212747642U CN 202021680912 U CN202021680912 U CN 202021680912U CN 212747642 U CN212747642 U CN 212747642U
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Abstract
The utility model discloses a detection device for collecting electrons, which comprises a base, a verticality test structure, a concentricity test structure and a welding strength test structure; the verticality testing structure comprises a first pin hole and a circular groove which are formed in the base; the concentricity testing structure comprises a dial indicator, a rotating shaft and an ejector rod; the rotating shaft is arranged on the back surface of the base and is provided with a positioning hole; the ejector rod is axially movably assembled in the ejector rod, and the end part of the ejector rod is provided with an ejector pin part; the dial indicator is fixed on the base; welding strength test structure is including offering the recess on the base and assembling two dogs on the recess, forms the spacing groove that supplies the bottom entering of collecting electron between recess and the dog, forms the opening that supplies the copper needle of collecting electron to stretch out between two dogs, has on the diapire of recess and the groove of dodging that corresponds with the opening. The utility model discloses not only detect the convenience, detect the precision height moreover.
Description
Technical Field
The utility model relates to a battery production facility field, more specifically relate to a detection device for collecting electron.
Background
The sealing body is an important component influencing the leakage resistance of the alkaline manganese battery. The sealing body is assembled by a sealing ring and a current collector, the current collector is formed by welding a negative electrode bottom cover and a copper needle, and then the current collector and the sealing ring are assembled into the sealing body. In the welding process of the negative electrode bottom cover and the copper pin, the concentricity, the verticality and the welding strength of the collector are required to be detected, and the main purpose is to prevent alkaline battery alkali leakage or liquid leakage caused by damage to a sealing ring due to the fact that the concentricity and the verticality do not meet the technological requirements in the assembling process of the sealing body, and the low voltage of the battery is directly caused by weak welding strength.
The electron collection method is mainly a visual method in the welding process to judge whether the concentricity and the perpendicularity meet the process requirements, the welding strength is judged by means of manually pulling a copper pin, the two tests have great limitations, the former belongs to qualitative judgment, the latter does not clearly determine the bending angle, the detection standard is not unified, the testing method is low in efficiency and is not beneficial to operation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a be not enough to prior art, the utility model provides a detection device for collecting electron not only detects the convenience, detects the precision height moreover.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a detection device for collecting electrons is characterized in that: the device comprises a base, and a perpendicularity testing structure, a concentricity testing structure and a welding strength testing structure which are arranged on the base;
the perpendicularity testing structure comprises a first pin hole and a round groove which are formed in the base, the first pin hole and the round groove are of concentric structures, the diameter of the first pin hole is matched with that of the copper needle, and the diameter of the round groove is matched with that of the bottom cover;
the concentricity testing structure comprises a dial indicator, a rotating shaft and an ejector rod; the rotating shaft is rotatably arranged on the back surface of the base and is provided with a positioning hole for inserting the copper needle; the ejector rod can be movably assembled in the ejector rod along the axial direction of the rotating shaft, and the end part of the ejector rod is provided with an ejector pin part extending into the positioning hole; the dial indicator is fixed on the base, and the detection end of the dial indicator corresponds to the circumferential surface of the bottom cover of the collector inserted in the positioning hole;
welding strength test structure is including offering the recess on the base and assembling two dogs on the recess, form the spacing groove that supplies the bottom entering of collecting electron between recess and the dog, two the dog between form the opening that supplies the copper needle of collecting electron to stretch out, have on the diapire of recess and the groove of dodging that corresponds with the opening.
Preferably, the base comprises a bottom plate and a vertical plate installed on the bottom plate.
Preferably, the back surface of the vertical plate is provided with a rotating shaft mounting seat, and the rotating shaft is perpendicular to the vertical plate and is mounted on the rotating shaft mounting seat through a bearing.
Preferably, the vertical plate is provided with a second needle hole for the copper needle to pass through, and the second needle hole corresponds to the positioning hole.
Preferably, a rotating wheel is mounted on the rotating shaft.
Preferably, the rotating shaft comprises a shaft tube and a positioning block clamped in the shaft tube, and the positioning hole is formed in the positioning column.
Preferably, the groove is divided into a first groove and a second groove, and the second groove is positioned in the first groove; the stop block is arranged in the first groove, and the limit groove is formed by the second groove and the stop block; the avoiding groove is formed in the groove wall of the first groove.
Preferably, the front surface of the vertical plate is provided with a dial indicator mounting seat for mounting a dial indicator.
Preferably, the depth of the circular groove is smaller than the thickness of the bottom cover for collecting electrons.
The utility model has the advantages that: the concentricity detection, the welding strength detection and the perpendicularity detection of the integrated electronics can be realized, the detection is convenient, and the detection accuracy is high.
Drawings
Fig. 1 is a schematic diagram of a detection apparatus for collecting electrons provided in this embodiment;
fig. 2 is a cross-sectional view of a detecting device for collecting electrons provided in the present embodiment;
fig. 3 is a schematic view of the vertical plate provided in this embodiment.
Detailed Description
The detecting device for collecting electrons of the present invention will be further described with reference to fig. 1 to 3.
A detection device for collecting electrons is characterized in that: the device comprises a base 1, and a verticality testing structure 2, a concentricity testing structure 3 and a welding strength testing structure 4 which are arranged on the base 1.
The base 1 includes a bottom plate 11 and a vertical plate 12 fixed to the bottom plate 11 by bolts and perpendicular to the bottom plate 11.
The verticality testing structure 2 comprises a first pin hole 21 and a circular groove 22 which are arranged at the top of the vertical plate 12, wherein the first pin hole 21 is located in the center of the bottom wall of the circular groove 22, namely the first pin hole 21 and the circular groove 22 are of concentric structures, the diameter of the first pin hole 21 is the same as that of a copper needle, and the diameter of the circular groove 22 is the same as that of a bottom cover.
The concentricity testing structure 3 comprises a dial indicator 31, a rotating shaft 33 and a mandril 34; the rotating shaft 33 is rotatably mounted on the back of the vertical plate 12 and has a positioning hole 3311 for inserting a copper needle for collecting electrons from the front of the vertical plate 12; the push rod 34 is movably assembled in the push rod 34 along the axial direction of the rotating shaft 33, i.e. the push rod 34 penetrates into the rotating shaft 33 from one end of the rotating shaft 33 opposite to the positioning hole 3311, and the end part of the push rod 34 penetrating into the rotating shaft 33 is provided with a push-out pin part 341 extending into the positioning hole 3311; the dial indicator 31 is fixed on the vertical plate, and the detection end 311 of the dial indicator 31 corresponds to the circumferential surface of the bottom cover of the electronic collector inserted in the positioning hole 3311.
The welding strength test structure 4 comprises a groove formed in the base 1 and two stoppers 42 assembled on the groove, a limiting groove 41 which is provided with an upper opening and used for allowing a bottom cover of an electron to enter is formed between the groove and the stoppers, an opening 43 for allowing a copper needle of the electron to extend out is formed between the two stoppers 42, and an avoiding groove 4521 corresponding to the opening 43 is formed in the bottom wall of the groove.
Based on the structure, the specific detection principle is as follows:
and (3) detecting the verticality: inserting the copper needle for collecting electrons into the first needle hole 21, and then embedding the bottom cover for collecting electrons into the circular groove 22; if the bottom cover can be just embedded into the circular groove 22, the concentricity of the detected electron collection is qualified, otherwise, the concentricity is unqualified.
And (3) detecting the concentricity: the copper needle of the electron collector to be detected penetrates through the vertical plate 12 and is clamped into the positioning hole 3311 of the rotating shaft 33, meanwhile, the dial indicator 31 is adjusted, the detecting end 311 of the dial indicator 31 abuts against the circumferential surface of the bottom cover, the rotating shaft 33 is rotated to drive the electron collector to synchronously rotate, and in the process of rotating the electron collector, the bottom cover is in contact with the detecting end 311 of the dial indicator 31, so that whether the concentricity of the electron collector is qualified or not can be detected through the numerical value jumping range of the dial indicator 31; after the detection is finished, the push rod is pushed to move towards the electron collector, the copper needle is ejected out of the positioning hole by the ejector pin part, and the electron collector is unloaded.
And (3) detecting welding strength: the copper needle of the electron collector is held by a hand, the bottom cover of the electron collector is slid into the bottom of the limiting groove 41, the copper needle is pressed downwards for 45 degrees after the bottom cover is slid to the bottom, the copper needle is pressed into the avoiding groove 4521, after the copper needle is bent downwards for 45 degrees, if the copper needle is not separated from the bottom cover, the welding strength is qualified, and otherwise, the welding strength is unqualified.
To sum up, the utility model discloses can realize the detection of the concentricity of collection electron, straightness and welding strength that hangs down, have multi-functional detection function, convenient to use detects the accuracy.
In the present embodiment, the mounting structure of the rotating shaft 33 is: the back of the vertical plate 12 is mounted with a rotating shaft mounting seat 36 through a bolt, one side of the rotating shaft mounting seat 36 facing the vertical plate 12 is provided with a mounting groove 361, a partial position of the rotating shaft 33 extends into the mounting groove 361 and is rotatably fixed on the rotating shaft mounting seat 36 through a bearing 37, and the rotating shaft 33 is perpendicular to the vertical plate 12. With this configuration, the rotary shaft 33 can be rotatably attached to the back surface of the upright plate 12.
In this embodiment, in order to better position the collector for concentricity detection: the vertical plate 12 has a second needle hole 121 for the copper needle to pass through, and the second needle hole 121 corresponds to the positioning hole 3311, and the diameter of the second needle hole 121 is close to the diameter of the copper needle. The second needle hole 121 is arranged, so that on one hand, a copper needle can be conveniently inserted into the positioning hole 3311 through the vertical plate 12 to guide the copper needle; on the other hand, the copper needle can be positioned in a rotating way, and the problem that the collector rotates eccentrically is avoided.
In the present embodiment, in order to facilitate rotation of the rotation shaft 33: the rotating shaft 33 is circumferentially limited and sleeved with a runner 35 corresponding to the part outside the rotating shaft mounting seat 36.
In the present embodiment, the structure of the rotating shaft 33 is further configured to: the rotating shaft 33 includes a shaft tube 332 and a positioning block 331 engaged with the shaft tube 332 through a retainer ring 5, and the positioning hole 3311 is disposed on the positioning block. With this structure, the positioning block 331 can be easily replaced.
In this embodiment, the structure of the groove is further configured as follows: the groove is divided into a first groove 452 and a second groove 451, and the second groove 451 is positioned in the first groove 452 to form a step structure; the stopper 42 is installed in the first groove 452, and the stopper groove 41 is formed by the second groove 451 and the stopper 42; the avoiding groove 4521 is opened on a groove wall of the first groove 452. Under the above-mentioned structure, can be convenient detect out collect electronic welding strength qualified.
In this embodiment, in order to facilitate the installation of the dial indicator 31 on the vertical plate 12, the front surface of the vertical plate 12 is provided with a dial indicator installation seat 32 for installing the dial indicator 31.
Furthermore, in order to facilitate the extraction of the detected electron collector from the first pin hole 21 and the circular groove 22, the depth of the circular groove 22 is smaller than the thickness of the bottom cover of the electron collector.
Unless otherwise specified, in the present invention, if the terms "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A detection device for collecting electrons is characterized in that: the device comprises a base, and a perpendicularity testing structure, a concentricity testing structure and a welding strength testing structure which are arranged on the base;
the perpendicularity testing structure comprises a first pin hole and a round groove which are formed in the base, the first pin hole and the round groove are of concentric structures, the diameter of the first pin hole is matched with that of the copper needle, and the diameter of the round groove is matched with that of the bottom cover;
the concentricity testing structure comprises a dial indicator, a rotating shaft and an ejector rod; the rotating shaft is rotatably arranged on the back surface of the base and is provided with a positioning hole for inserting the copper needle; the ejector rod can be movably assembled in the ejector rod along the axial direction of the rotating shaft, and the end part of the ejector rod is provided with an ejector pin part extending into the positioning hole; the dial indicator is fixed on the base, and the detection end of the dial indicator corresponds to the circumferential surface of the bottom cover of the collector inserted in the positioning hole;
welding strength test structure is including offering the recess on the base and assembling two dogs on the recess, form the spacing groove that supplies the bottom entering of collecting electron between recess and the dog, two the dog between form the opening that supplies the copper needle of collecting electron to stretch out, have on the diapire of recess and the groove of dodging that corresponds with the opening.
2. The detecting device for collecting electrons according to claim 1, wherein: the base comprises a bottom plate and a vertical plate arranged on the bottom plate.
3. The detecting device for collecting electrons according to claim 2, wherein: the back of the vertical plate is provided with a rotating shaft mounting seat, and the rotating shaft is perpendicular to the vertical plate and is mounted on the rotating shaft mounting seat through a bearing.
4. The detecting device for collecting electrons according to claim 2, wherein: and the vertical plate is provided with a second needle hole for the copper needle to pass through, and the second needle hole corresponds to the positioning hole.
5. The detecting device for collecting electrons according to claim 1, wherein: and the rotating shaft is provided with a rotating wheel.
6. The detecting device for collecting electrons according to claim 1, wherein: the rotating shaft comprises a shaft tube and a positioning block clamped in the shaft tube, and the positioning hole is formed in the positioning column.
7. The detecting device for collecting electrons according to claim 1, wherein: the groove is divided into a first groove and a second groove, and the second groove is positioned in the first groove; the stop block is arranged in the first groove, and the limit groove is formed by the second groove and the stop block; the avoiding groove is formed in the groove wall of the first groove.
8. The detecting device for collecting electrons according to claim 2, wherein: the front surface of the vertical plate is provided with a dial indicator mounting seat for mounting a dial indicator.
9. The detecting device for collecting electrons according to claim 1, wherein: the depth of the circular groove is smaller than the thickness of the bottom cover for collecting electrons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021680912.5U CN212747642U (en) | 2020-08-13 | 2020-08-13 | Detection device for collecting electrons |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021680912.5U CN212747642U (en) | 2020-08-13 | 2020-08-13 | Detection device for collecting electrons |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212747642U true CN212747642U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021680912.5U Active CN212747642U (en) | 2020-08-13 | 2020-08-13 | Detection device for collecting electrons |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212747642U (en) |
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2020
- 2020-08-13 CN CN202021680912.5U patent/CN212747642U/en active Active
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