CN111273175A - Short circuit test follow-up device before cylindrical battery liquid injection - Google Patents
Short circuit test follow-up device before cylindrical battery liquid injection Download PDFInfo
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- CN111273175A CN111273175A CN202010072128.4A CN202010072128A CN111273175A CN 111273175 A CN111273175 A CN 111273175A CN 202010072128 A CN202010072128 A CN 202010072128A CN 111273175 A CN111273175 A CN 111273175A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
Abstract
The invention discloses a short circuit test follow-up device before liquid injection of a cylindrical battery, which comprises a bearing mechanism, a conveying mechanism, a turntable mechanism, a follow-up mechanism and a test mechanism, wherein the bearing mechanism is used for supporting the battery, the conveying mechanism is used for conveying the battery on the bearing mechanism, the conveying assembly comprises a U-shaped outer plate, an input belt and an output belt, the input belt and the output belt are arranged below two straight edges of the U-shaped outer plate, the turntable mechanism is used for transferring the battery conveyed on the input belt to the output belt, the follow-up mechanism is movably connected with the turntable mechanism and connected with the test mechanism and used for driving the test mechanism to move back and forth along the bent edge of the U-shaped outer plate, and the test mechanism is used for detecting the battery transferred by the turntable mechanism. The invention realizes the cycle test of the battery through the conveying mechanism, the testing mechanism, the follow-up mechanism and the turntable mechanism.
Description
Technical Field
The invention belongs to the field of battery testing, and particularly relates to a short circuit testing follow-up device before liquid injection of a cylindrical battery.
Background
At present, in the traditional short circuit testing process before battery liquid injection, batteries are mostly fixed at one position for static testing, so that time waste caused by test waiting occurs, and the improvement of testing efficiency is greatly limited; and the traditional method is not beneficial to realizing the continuity of production, and when the battery is subjected to a short-circuit test procedure, the risks of upstream material accumulation and insufficient downstream material supply are easy to occur.
Disclosure of Invention
The invention aims to provide a short circuit test follow-up device before liquid injection of a cylindrical battery, so as to overcome the technical problem.
The technical purpose of the invention is realized by the following technical scheme:
a short circuit test follow-up device before liquid injection of a cylindrical battery comprises,
the bearing mechanism is used for supporting the battery;
the conveying assembly comprises a U-shaped outer plate, an input belt and an output belt, wherein the input belt and the output belt are respectively arranged below two straight edges of the U-shaped outer plate;
the turntable mechanism is arranged on the inner side of the bent edge of the U-shaped outer plate and is used for transferring the battery conveyed on the input belt to the output belt;
the testing mechanism is arranged on the outer side of the bent edge of the U-shaped outer plate;
the follow-up mechanism is movably connected with the turntable mechanism and connected with the testing mechanism and is used for driving the testing mechanism to move back and forth along the bent edge of the U-shaped outer plate;
the testing mechanism is used for detecting the batteries transferred by the turntable mechanism.
Furthermore, the bearing mechanism is a cylinder, a circular cup groove is arranged on the cylinder along the peripheral circle of the cylinder, a supporting groove for placing a battery is arranged on the cylinder, a through hole penetrating through the cylinder is arranged at the bottom of the supporting groove, and the depth of the through hole is consistent with the height of a pole of the battery;
the inner side of the U-shaped outer plate is connected with a clamping strip along the U shape of the U-shaped outer plate;
the turntable mechanism comprises a driving motor arranged on the inner side of the U-shaped outer plate, a circular turntable which is connected with the movable end of the driving motor and is transversely arranged, and a first gear connected to the upper end surface of the circular turntable, the circular turntable is provided with a plurality of semicircular clamping grooves along the peripheral circle of the circular turntable, and the semicircular clamping grooves and the clamping strips are matched with the circular cup grooves on the bearing mechanism simultaneously so that the circular turntable drives the bearing mechanism to move along the bent edge of the U-shaped outer plate;
the follow-up mechanism is in meshed connection with the first gear.
Further, the follow-up mechanism comprises a support frame, and the support frame is in an inverted L shape;
the gear shaft assembly is rotatably connected to the transverse edge of the support frame, the testing mechanism is fixedly connected to the gear shaft assembly, and the gear shaft assembly is used for driving the testing mechanism to move along the bent edge of the U-shaped outer plate;
the rack assembly is meshed and connected with the gear shaft assembly and is used for enabling the gear shaft assembly to rotate on the supporting frame;
and the deflector rod assembly is meshed with the turntable mechanism and is rotatably connected to the transverse edge of the support frame, and the deflector rod assembly is used for applying acting force to the rack assembly to enable the gear shaft assembly to rotate so as to drive the testing mechanism to move back and forth along the bent edge of the U-shaped outer plate.
Further, the gear shaft assembly comprises a first rotating shaft and a second gear, the first rotating shaft is rotatably connected to the supporting frame, the second gear is fixedly connected to the bottom end of the first rotating shaft, the testing mechanism is fixedly connected to the first rotating shaft, and the second gear is meshed with the rack assembly.
Further, the rack component comprises a connecting rod which is fixedly connected to the vertical edge of the support frame and is parallel to the horizontal direction of the support frame, a rack which is connected to the connecting rod in a sliding mode along the length direction of the connecting rod, a rack connecting rod which is parallel to the connecting rod and is fixedly connected to one end of the rack, and a rack push rod which is fixedly connected to the rack connecting rod and vertically arranged, the rack is connected with the gear shaft component in a meshed mode, and the deflector rod component is in contact with the rack push rod and applies acting force to the rack push rod.
Furthermore, the driving lever assembly comprises a first driving lever assembly and a second driving lever assembly which are identical in structure and meshed with each other, the first driving lever assembly and the second driving lever assembly are connected to the transverse edge of the support frame in a rotating mode, the first driving lever assembly is meshed with the turntable mechanism, the second driving lever assembly is used for applying acting force to the rack assembly to enable the testing mechanism to move along the battery conveying direction, and the first driving lever assembly is used for applying acting force to the rack assembly to enable the testing mechanism to move along the opposite direction of battery conveying.
Furthermore, the first deflector rod assembly comprises a third gear in meshed connection with the turntable mechanism, a second rotating shaft in rotating connection with the transverse edge of the support frame, and a deflector rod fixedly connected to the second rotating shaft and capable of contacting with the rack assembly, and the third gear of the second deflector rod assembly is in meshed connection with the third gear of the first deflector rod assembly.
Further, the testing mechanism includes a testing mechanism,
the connecting bracket is connected to the follow-up assembly and is of a side U-shaped structure consisting of two transverse plates positioned above and below the turntable mechanism and a vertical plate positioned on the outer side of the U-shaped outer plate;
the upper testing assembly and the lower testing assembly are respectively connected to the two transverse plates of the connecting bracket, and the upper testing assembly and the lower testing assembly are identical in structure and are oppositely arranged;
the upper test assembly comprises a driving cylinder fixedly connected to a transverse plate of the connecting support, a pressing block connected with the movable end of the driving cylinder, and a probe connected to the pressing block.
Has the advantages that:
1. the invention finishes the unified transportation of the untested battery and the tested battery through the transportation mechanism; the testing mechanism completes short circuit testing on the battery, the follow-up mechanism enables the testing mechanism to complete synchronous conveying with the turntable mechanism and enables the testing mechanism to circularly move while testing is conducted, and the battery which is tested by the testing mechanism is completed by the turntable mechanism and is transferred to an output belt of the conveying mechanism, so that circular testing of the battery is achieved;
2. compared with the traditional short circuit test method, the method reduces the time waste caused by test waiting and greatly improves the test efficiency; the production continuity is realized, the batteries can be continuously conveyed, and the risks of upstream material accumulation and insufficient downstream feeding are avoided; the invention has strong adaptability, can flexibly adjust the time of short circuit test, the number of test stations and the like, and realizes the high-speed running and test of the cylindrical battery.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the other side of FIG. 1;
FIG. 3 is a schematic diagram of a structure of a battery supported by a support mechanism;
FIG. 4 is a schematic structural diagram of a carrying mechanism;
FIG. 5 is a schematic structural diagram of the conveying mechanism and the turntable mechanism;
FIG. 6 is a schematic structural diagram of a testing mechanism and a follow-up mechanism;
in the figure, 10, a bearing mechanism; 11. a circular cup groove; 12. a support groove; 13. a through hole; 20. a conveying mechanism; 21. a U-shaped outer plate; 22. an input belt; 23. outputting the tape; 24. clamping the strip; 25. an inner plate; 30. a turntable mechanism; 31. a drive motor; 32. a circular turntable; 33. a first gear; 34. a semicircular clamping groove; 40. a testing mechanism; 41. connecting a bracket; 42. an upper test assembly; 421. a driving cylinder; 422. briquetting; 423. a probe; 43. a lower test assembly; 50. a follow-up mechanism; 51. a support frame; 52. a pinion assembly; 521. a first rotating shaft; 522. a second gear; 53. a rack assembly; 531. a connecting rod; 532. a rack; 533. a rack connecting rod; 534. a rack push rod; 54. a first shift lever assembly; 541. a third gear; 542. a second rotating shaft; 543. a deflector rod; 55. a second deflector rod assembly; 60. a battery.
Detailed Description
In the description of the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "front", "rear", and the like, indicate orientations or positional relationships only for the purpose of describing the present invention and simplifying the description, but do not indicate or imply that the designated device or structure must have a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and 2, the short circuit test follow-up device before liquid injection of a cylindrical battery according to the present invention includes a carrying mechanism, a conveying mechanism, a turntable mechanism, a follow-up mechanism and a testing mechanism, wherein the conveying mechanism, the follow-up mechanism and the turntable mechanism are connected to a frame for battery processing, the carrying mechanism is used for supporting the battery, the conveying mechanism is used for conveying the battery on the carrying mechanism, and the conveying assembly includes a U-shaped outer plate, an input belt and an output belt respectively disposed below two straight edges of the U-shaped outer plate; the turntable mechanism is arranged on the inner side of the bent edge of the U-shaped outer plate, the bent edge of the U-shaped outer plate is a semicircular arc edge, and the turntable machine is used for transferring the battery conveyed on the input belt to the output belt; the testing mechanism is arranged on the outer side of the bent edge of the U-shaped outer plate; the follow-up mechanism is movably connected with the turntable mechanism and connected with the testing mechanism and is used for driving the testing mechanism to move back and forth along the bent edge of the U-shaped outer plate; the testing mechanism is used for detecting the batteries transferred by the turntable mechanism.
As shown in fig. 3 and 4, the bearing mechanism is a cylinder, a circular cup groove is formed in the cylinder along the circumference of the cylinder, a supporting groove is formed in the cylinder, the battery is placed in the supporting groove, a through hole penetrating through the cylinder is formed in the bottom of the supporting groove, the depth of the through hole is consistent with the height of the pole of the battery, and therefore the cylinder can be conveyed on the input belt and the output belt. As shown in fig. 1, 2 and 5, the inner side of the U-shaped outer plate is connected with a clamping strip along the U-shape of the U-shaped outer plate, the conveying mechanism further comprises an inner plate 25 which is arranged on the inner side of the U-shaped outer plate and is respectively parallel to two straight edges of the U-shaped outer plate, the inner plate is simultaneously provided with an auxiliary clamping strip opposite to the clamping strip on the inner side of the U-shaped outer plate, and when the cylinder is conveyed on the input belt or the output belt, the circular cup groove is just clamped between the clamping strip and the auxiliary clamping strip, so that the positioning and conveying of the bearing mechanism on the input belt and the output belt are realized.
As shown in fig. 5, the turntable mechanism is disposed on the inner side of the U-shaped outer plate, the turntable mechanism includes a driving motor disposed on the inner side of the U-shaped outer plate, a circular turntable connected with the movable end of the driving motor and transversely disposed, and a first gear connected to the upper end surface of the circular turntable, the circular turntable is provided with a plurality of semicircular slots along the circumference thereof, the semicircular slots and the clamping strips are both matched with the circular cup slots on the bearing mechanism simultaneously, so that the circular turntable drives the bearing mechanism to move along the curved edge of the U-shaped outer plate under the matching of the clamping strips, that is, the number of the semicircular slots determines the number of the turntable mechanism transferring the bearing mechanism, and the disposed semicircular slots are uniformly disposed on the circular turntable.
As shown in fig. 1, 2 and 6, the following mechanism includes a supporting frame, a gear shaft assembly, a rack assembly and a rack assembly, the supporting frame is in an inverted L shape, the gear shaft assembly is rotatably connected to a transverse edge of the supporting frame, the testing mechanism is connected with the gear shaft assembly, and the gear shaft assembly is used for driving the testing mechanism to move along a curved edge of the U-shaped outer plate; the rack assembly is meshed with the gear shaft assembly and is used for enabling the gear shaft assembly to rotate on the supporting frame; the deflector rod assembly is meshed with the turntable mechanism and is rotationally connected to the transverse edge of the support frame, and the deflector rod assembly is used for providing acting force for the rack assembly to enable the gear shaft assembly to rotate so as to drive the testing mechanism to move back and forth along the bent edge of the U-shaped outer plate; .
As shown in fig. 2, the gear shaft assembly includes a first rotating shaft which is rotatably connected to the transverse edge of the supporting frame and is vertically arranged, and a second gear which is fixedly connected to the bottom end of the first rotating shaft, the testing mechanism is fixedly connected to the first rotating shaft, and the second gear is meshed with the rack assembly.
As shown in fig. 2, the rack assembly includes a connecting rod fixedly connected to the vertical edge of the support frame and parallel to the horizontal edge of the support frame, an embedded chute is formed in the inner side of the connecting rod along the length direction of the connecting rod, a rack is slidably connected to the embedded chute and engaged with the second gear, a rack connecting rod parallel to the connecting rod is fixedly connected to one end of the rack, a rack push rod is fixedly connected to the rack connecting rod vertically, and the deflector rod assembly is in contact with the rack push rod and provides an acting force to the rack push rod so that the rack moves along the embedded chute, thereby rotating the second gear engaged with the rack, and further synchronously rotating the testing mechanism fixedly connected to the first rotating shaft.
As shown in fig. 2, the shift lever assembly includes a first shift lever assembly and a second shift lever assembly which have the same structure and are meshed with each other, wherein the first shift lever assembly and the second shift lever assembly are both rotatably connected to the lateral side of the support frame, and the first shift lever assembly is meshed with the turntable mechanism, wherein the second shift lever assembly is used for providing an acting force to the rack assembly to move the testing mechanism along the battery conveying direction, and the first shift lever assembly is used for providing an acting force to the rack assembly to move the test along the opposite direction of the battery conveying direction, so that the rack on the rack assembly moves back and forth in the embedded chute through the shift lever assembly, and the first rotating shaft of the rack shaft assembly rotates back and forth along the support frame, and the testing mechanism moves back and forth along the bent edge of the U-shaped outer plate.
As shown in fig. 2, the first deflector rod assembly comprises a third gear engaged with the turntable mechanism, a second rotating shaft rotatably connected to the horizontal side of the support frame, and a deflector rod fixedly connected to the second rotating shaft and capable of contacting with the rack assembly, wherein the second deflector rod assembly has the same structure as the first deflector rod assembly, and the third gear of the second deflector rod assembly is engaged with the third gear of the first deflector rod assembly to ensure the synchronous and opposite rotation of the first deflector rod assembly and the second deflector rod assembly, the deflector rod in the second deflector rod assembly pushes the rack to the rack push rod to drive the rack to move along the embedded sliding along one end of the connecting rod to the other end until the testing mechanism moves from one end of the bent edge of the U-shaped outer plate to the other end, the deflector rod on the second deflector rod assembly is separated from the rack push rod, and the deflector rod on the first deflector rod assembly contacts with the rack push rod, and an acting force is provided for the rack push rod, so that the rack push rod drives the rack to move towards one end along the other end of the connecting rod, the testing mechanism returns to one end from the other end of the bent edge of the U-shaped outer plate, the deflector rod on the first deflector rod assembly is separated from the rack push rod at the moment, the rack push rod is contacted with the deflector rod on the second deflector rod assembly, the processes are repeated, and the testing mechanism moves back and forth through the deflector rod mechanism.
As shown in fig. 2 and 6, the testing mechanism includes a connecting bracket, an upper testing component and a lower testing component, the connecting bracket is connected to the follower component, the connecting bracket is a side U-shaped structure composed of two transverse plates located above and below the turntable mechanism and a vertical plate located outside the U-shaped outer plate, wherein the upper testing component and the lower testing component are respectively connected to the two transverse plates of the connecting bracket, and the upper testing component and the lower testing component are arranged in the same structure and oppositely, as shown in fig. 6, the upper testing component includes a driving cylinder fixedly connected to the transverse plates of the connecting bracket, a pressing block connected to the movable end of the driving cylinder, and a probe connected to the pressing block, so that the driving cylinder of the upper testing component causes the pressing block to move downward, and the probe on the pressing block is in contact with one of the poles of the battery, the driving cylinder of the lower testing assembly drives the pressing block to move upwards, so that the probe on the pressing block is in contact with the other pole of the battery, and the short circuit test of the testing mechanism on the battery is further realized.
The testing mechanism is further improved, the upper testing component and the lower testing component can be provided with multiple groups, the upper testing component corresponds to the lower testing component one by one, the multiple groups of the upper testing components are arranged on the connecting support in a mode of being identical to the radian of the circular turntable, and the distance between the upper testing components is determined according to the semicircular clamping grooves formed in the circular turntable, so that the transfer and the testing of the multiple batteries are realized simultaneously.
The use process comprises the following steps:
the battery is placed in the bearing mechanism and is conveyed to the round turntable by the input belt, and the round cup grooves on the bearing mechanism are respectively matched with the clamping strips on the U-shaped outer plate and the corresponding auxiliary clamping strips on the inner plate at the input belt, so that the stability of battery conveying is ensured, and the risk of toppling is avoided;
the driving motor drives the circular turntable to rotate clockwise, the battery is conveyed into the circular turntable, and the circular cup groove at the moment is respectively matched with the semicircular clamping groove and the corresponding clamping strip at the bent edge in the U-shaped outer plate, so that the bearing mechanism is transferred along the bent edge;
when the circular turntable rotates clockwise, the first gear synchronously rotates clockwise, and the third gear on the first deflector rod assembly and the third gear on the second deflector rod assembly rotate anticlockwise and clockwise respectively, so that the corresponding deflector rods on the first deflector rod assembly and the second deflector rod assembly are driven to rotate anticlockwise and clockwise respectively;
the corresponding deflector rods on the first deflector rod assembly and the second deflector rod assembly are different in installation phase, when the deflector rod on the second deflector rod assembly rotates clockwise, the rack push rod is driven to move forwards until the deflector rod is separated from contact with the rack push rod, the deflector rod on the first deflector rod assembly simultaneously rotates anticlockwise, the deflector rod on the first deflector rod assembly is contacted with the rack push rod at the moment and drives the rack push rod to move backwards for a certain distance until the deflector rod is separated from contact, and the reciprocating motion of the rack is realized, so that the clockwise and anticlockwise rotation of the second gear can be driven;
when the second gear rotates clockwise, the testing mechanism starts to act, the driving cylinders of the upper testing assembly and the lower testing assembly respectively drive the pressing block to move until the probe of the upper testing assembly contacts the pole at the upper end of the battery on the bearing mechanism, and the probe of the lower testing assembly passes through the through hole formed in the bearing mechanism and contacts the pole at the lower end of the battery, namely, the short-circuit test is started; the testing mechanism rotates clockwise along with the second gear and completes short circuit testing in the process, after the testing is completed, the upper testing component and the lower testing component return to the initial state, and the second gear starts to rotate anticlockwise at the moment to drive the testing mechanism to return to the initial state to perform short circuit testing on the next group of batteries; through the periodic clockwise and anticlockwise rotation of the second gear, the short-circuit test is carried out when the testing mechanism rotates along with the circular turntable.
And the tested battery is conveyed to an output belt through a circular turntable and is output to a rear-end process.
In order to make the objects, technical solutions and advantages of the present invention more concise and clear, the present invention is described with the above specific embodiments, which are only used for describing the present invention, and should not be construed as limiting the scope of the present invention. It should be understood that any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A short circuit test follow-up device before liquid injection of a cylindrical battery is characterized by comprising,
a support mechanism (10) for supporting the battery;
the conveying assembly comprises a U-shaped outer plate (21), an input belt (22) and an output belt (23), wherein the input belt (22) and the output belt (23) are respectively arranged below two straight edges of the U-shaped outer plate;
the turntable mechanism (30) is arranged on the inner side of the bent edge of the U-shaped outer plate and is used for transferring the battery conveyed on the input belt to the output belt;
the testing mechanism (40) is arranged on the outer side of the bent edge of the U-shaped outer plate;
the follow-up mechanism (50) is movably connected with the turntable mechanism and connected with the testing mechanism and is used for driving the testing mechanism to move back and forth along the bent edge of the U-shaped outer plate;
the testing mechanism is used for detecting the batteries transferred by the turntable mechanism.
2. The short circuit test follow-up device before liquid injection of the cylindrical battery according to claim 1,
the bearing mechanism is a cylinder, a circular cup groove (11) is arranged on the cylinder along the peripheral circle of the cylinder, a support groove (12) for placing a battery is arranged on the cylinder, a through hole (13) penetrating through the cylinder is arranged at the bottom of the support groove, and the depth of the through hole is consistent with the height of a pole of the battery;
the inner side of the U-shaped outer plate is connected with a clamping strip (24) along the U shape of the U-shaped outer plate;
the turntable mechanism comprises a driving motor (31) arranged on the inner side of the U-shaped outer plate, a circular turntable (32) which is connected with the movable end of the driving motor and is transversely arranged, and a first gear (33) connected to the upper end surface of the circular turntable, a plurality of semicircular clamping grooves (34) are formed in the circular turntable along the peripheral circle of the circular turntable, and the semicircular clamping grooves and the clamping strips are matched with the circular cup grooves in the bearing mechanism at the same time so that the circular turntable drives the bearing mechanism to move along the bent edge of the U-shaped outer plate;
the follow-up mechanism is in meshed connection with the first gear.
3. The short circuit test follow-up device before liquid injection of the cylindrical battery according to claim 1, wherein the follow-up mechanism comprises a support frame (51), and the support frame is in an inverted L shape;
the gear shaft assembly (52) is rotatably connected to the transverse edge of the support frame, the testing mechanism is fixedly connected to the gear shaft assembly, and the gear shaft assembly is used for driving the testing mechanism to move along the bent edge of the U-shaped outer plate;
the rack assembly (53) is in meshed connection with the gear shaft assembly and is used for enabling the gear shaft assembly to rotate on the supporting frame;
and the deflector rod assembly is meshed with the turntable mechanism and is rotatably connected to the transverse edge of the support frame, and the deflector rod assembly is used for applying acting force to the rack assembly to enable the gear shaft assembly to rotate so as to drive the testing mechanism to move back and forth along the bent edge of the U-shaped outer plate.
4. The short circuit test follow-up device before liquid injection of the cylindrical battery according to claim 3, wherein the gear shaft assembly comprises a first rotating shaft (521) rotatably connected to the support frame and a second gear (522) fixedly connected to the bottom end of the first rotating shaft, the testing mechanism is fixedly connected to the first rotating shaft, and the second gear is in meshed connection with the rack assembly.
5. The short circuit test follow-up device before liquid injection of the cylindrical battery according to claim 3, wherein the rack assembly comprises a connecting rod (531) fixedly connected to the vertical edge of the supporting frame and parallel to the transverse direction of the supporting frame, a rack (532) slidably connected to the connecting rod along the length direction of the connecting rod, a rack connecting rod (533) parallel to the connecting rod and fixedly connected to one end of the rack, and a rack push rod (534) fixedly connected to the rack connecting rod and vertically arranged, the rack is engaged with the gear shaft assembly, and the deflector rod assembly is in contact with the rack push rod and applies an acting force to the rack push rod.
6. The short circuit test follow-up device before the liquid injection of the cylindrical battery according to claim 3, wherein the deflector rod assembly comprises a first deflector rod assembly (54) and a second deflector rod assembly (55) which are identical in structure and meshed with each other, the first deflector rod assembly and the second deflector rod assembly are both rotatably connected to the transverse edge of the support frame, the first deflector rod assembly is meshed with the turntable mechanism, the second deflector rod assembly is used for applying acting force to the rack assembly to enable the testing mechanism to move along the battery conveying direction, and the first deflector rod assembly is used for applying acting force to the rack assembly to enable the test to move along the opposite direction of the battery conveying direction.
7. The short circuit test follow-up device before liquid injection of the cylindrical battery according to claim 6, wherein the first shift lever assembly comprises a third gear (541) engaged with the turntable mechanism, a second rotating shaft (542) rotatably connected to the lateral edge of the supporting frame, and a shift lever (543) fixedly connected to the second rotating shaft and capable of contacting with the rack assembly, and the third gear of the second shift lever assembly is engaged with the third gear of the first shift lever assembly.
8. The short circuit test follow-up device before liquid injection of the cylindrical battery according to claim 1, wherein the test mechanism comprises,
the connecting support (41) is connected to the follow-up component, and is of a side U-shaped structure consisting of two transverse plates positioned above and below the turntable mechanism and a vertical plate positioned on the outer side of the U-shaped outer plate;
the upper testing assembly (42) and the lower testing assembly (43) are respectively connected to the two transverse plates of the connecting bracket, and the upper testing assembly and the lower testing assembly are identical in structure and are oppositely arranged;
go up the test assembly including the rigid coupling drive actuating cylinder (421) on the diaphragm of linking bridge, with drive actuating cylinder activity end be connected briquetting (422), and connect probe (423) on the briquetting.
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| CN202010072128.4A CN111273175B (en) | 2020-01-21 | 2020-01-21 | Short circuit test follow-up device before cylindrical battery liquid injection |
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