CN113758801A - Lithium battery isolation film quality detection instrument - Google Patents

Lithium battery isolation film quality detection instrument Download PDF

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Publication number
CN113758801A
CN113758801A CN202110942147.2A CN202110942147A CN113758801A CN 113758801 A CN113758801 A CN 113758801A CN 202110942147 A CN202110942147 A CN 202110942147A CN 113758801 A CN113758801 A CN 113758801A
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block
detection
fixed
groove
rod
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裴胜杰
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00Investigating or analyzing materials by the use of thermal means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
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  • General Chemical & Material Sciences (AREA)
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Abstract

The invention relates to the technical field of quality detection, and discloses a lithium battery isolation film quality detection instrument which comprises a detection table, wherein the detection table is a table body with a concave-shaped side section, groove groups are symmetrically arranged on the front side and the rear side of the detection table, each groove group comprises a main groove, a fixing device is arranged in each main groove, each fixing device comprises a fixed block, a connecting rod for connecting the two fixed blocks is movably arranged between the two fixed blocks, a heat-resistant detection device is arranged at the position, located on the right side of the fixing device, in the detection table, a reset device is arranged between each fixed block and the corresponding main groove, a puncture strength detection device is arranged at the position, located below the connecting rod, in a concave part of the detection table, each heat-resistant detection device comprises a box body, the lithium battery isolation film quality detection instrument is matched with the groove groups, the fixing devices, the heat-resistant detection devices and the puncture strength detection devices for use, and can independently and rapidly detect three strengths of an isolation film, the practicability of the device is increased.

Description

Lithium battery isolation film quality detection instrument
Technical Field
The invention relates to the technical field of quality detection, in particular to a lithium battery isolation film quality detection instrument.
Background
The performance of the diaphragm determines the interface structure, internal resistance and the like of the battery, directly influences the capacity, circulation, safety performance and other characteristics of the battery, and the diaphragm with excellent performance plays an important role in improving the comprehensive performance of the battery. The separator has a main function of separating the positive electrode and the negative electrode of the battery to prevent short circuit due to contact between the two electrodes, and also has a function of allowing electrolyte ions to pass therethrough. The separator material is non-conductive, and the physical and chemical properties of the separator have a great influence on the performance of the battery. The battery is different in kind and the separator used is different. For lithium battery systems, the electrolyte is an organic solvent system, and therefore, a separator material resistant to organic solvents is required.
However, the existing isolation film detection equipment cannot effectively and independently detect three items of tensile strength heat resistance coefficient and puncture strength.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a lithium battery isolation film quality detection instrument, which solves the problems.
(II) technical scheme
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a lithium cell barrier film quality testing instrument, including examining test table, examine the stage and be the stage body of character cut in bas-relief for the side cross-section, examine the stage front and back bilateral symmetry and seted up the bank of cells, the bank of cells includes the master groove, all be provided with fixing device in the master groove, fixing device includes the fixed block, movable mounting has the connecting rod that is used for connecting two fixed blocks between two fixed blocks, the position that is located fixing device right side in examining the test table is provided with heat-resistant detection device, be provided with resetting means between fixed block and the master groove, the position that is located the connecting rod below in examining test table depressed part is provided with puncture strength detection device, heat-resistant detection device includes the box, two fixed slots have been seted up on the box, the position that is located between two fixed slots in the box is seted up the cavity groove, be provided with multi-functional detection device in the box, it is provided with the same device to examine test table front and back both ends symmetry.
Preferably, the position that is provided with corresponding with the fixed block in the test table and moves through the fixed block controlling means, the cavity groove is character cut in bas-relief shape groove, the extending groove has all been seted up to one side that two fixed slots deviate from mutually, multi-functional detection device is located the box and extends the horizontal position mutually, surface movable mounting has the installation axle on the box, it has flexible apron to install the hub connection, fixed mounting has the heating plate in the box, the bank of cells still includes the guiding groove, the main groove is right triangle's groove, the guiding groove is located the vertical edge of main groove, the guiding groove runs through the test table to the one side of keeping away from anti heat-detecting device and sets up, and the guiding groove is close to the one end opening size of main groove and is half of the one end opening size that the main groove was kept away from to the guiding groove.
Preferably, the fixed block is a right-angled triangular block of which the size is eight times of the zero point of the main groove, a sliding rod is fixedly mounted on one side, close to the right-angled edge of the main groove, of the fixed block, a vertical groove for the sliding rod to slide is vertically formed in the position, corresponding to the sliding rod, of the main groove, and a top spring is fixedly mounted at the position, below the sliding rod, of the vertical groove.
Preferably, resetting means is including extending board and fixed plate, fixed plate fixed mounting is located the fixed block on examining the test table and keeps away from the position of slide bar, fixed mounting has reset spring between extending board and the fixed plate, extending board below fixed mounting has the expansion plate, contact between expansion plate and the fixed block, the fixed block below is provided with the reset block, the reset block is the rectangular block, sliding connection between reset block and the main tank, the one end height that the reset block is close to the expansion plate is the twice of the one end height that the expansion plate was kept away from to the reset block, the reset block inclined plane sets up with the fixed block inclined plane relatively.
Preferably, the puncture strength detection device comprises a rotating shaft, the position of the rotating shaft below the guide groove is inserted into the detection table for arrangement, rotating wheels are fixedly arranged at two ends of the rotating shaft, the upper end of each rotating wheel penetrates through the lower surface of the guide groove for arrangement, one end of the rotating shaft in the detection table is fixedly connected with the output end of the motor, a driven plate is arranged below the rotating shaft, the position, corresponding to the driven plate, on the rotating shaft is in a gear shape, one side, away from the heat-resistant detection device, of the driven plate is provided with a deviation block, the deviation block is movably clamped in a concave part on the detection table and is a block body with a right-angled triangle front and back section, the driven plate is meshed with the rotating shaft through the deviation block, one end, close to the heat-resistant detection device, of the driven plate is fixedly provided with a puncture head, the front and back positions of the puncture head correspond to the front and back positions of the reset device, and one end, close to the heat-resistant detection device, of the driven plate is provided with a limiting plate in a laminating manner, the two ends of the limiting plate are fixedly connected with the side walls of the sunken positions in the detection table.
Preferably, controlling means includes the control lever, the control lever is the isometric L shape pole in both ends, the control lever is located the position between fixed block and the master groove, the master groove is vertical with the vertical groove of accomodating of offering length and control lever looks adaptation in the position that the control lever is corresponding, the control lever department of buckling runs through control lever movable mounting has the fixed axle, the fixed axle is located and detects fixed connection between the platform, it is provided with the motion frame with the control lever position in detecting the platform the corresponding position of one end, the motion frame is cylindrical square frame, the bayonet socket of size and motion frame looks adaptation is offered to the one end that the control lever is located and detects the platform and the corresponding position of motion frame, motion frame upper end fixed mounting has the lifter, the lifter is vertical runs through and detects the platform and stretch out and detect the platform and set up.
Preferably, the lifter is located the one end movable mounting who examines outside the test table and has the installation pole, installation pole both ends respectively with through torsional spring coupling between two motion frames, be provided with tensile strength detection device on the installation pole, tensile strength detection device includes the mounting panel, fixed connection between mounting panel and the installation pole, and the mounting panel is located the position that the installation pole below is close to the connecting rod, a side wall fixed mounting that the mounting panel is close to the connecting rod has half oval cylindric extension piece, fixed mounting has the extrusion piece on the relative side wall of mounting panel and extension piece, fixed mounting has two cams on the connecting rod, the cam bulge upwards sets up, two cams all are located on the connecting rod with extend the corresponding position of piece.
Preferably, the multifunctional detection device includes the rotary drum, the rotary drum runs through the box by the box front side and sets up, the rotary drum is located and carries out the centre gripping through the box in the box, rotary drum female connection has the push rod, the push rod is the T font body of rod, the push rod is located and runs through between box and the rotary drum outside the box and be connected, the one end that the rotary drum is located the box is provided with the installation section of thick bamboo, the installation section of thick bamboo is pegged graft in the installation section of thick bamboo, the installation section of thick bamboo is located the box level setting, and fixed connection between installation section of thick bamboo and the box, the position that is located the rotary drum both sides in the installation section of thick bamboo has the detection piece through spring activity joint respectively, the detection piece is the assembly of cylinder and circular cone, two detection piece tips deviate from the setting.
Preferably, be provided with the top spring in the rotary drum, fixed connection between top spring one end and the installation section of thick bamboo, the one end fixed connection that the top spring other end and push rod are located the rotary drum, the one end symmetry fixed mounting that the rotary drum is located the installation section of thick bamboo has two kicking blocks, the kicking block is hollow form trapezoidal piece, and kicking block inclined plane direction is corresponding with the rotary drum direction of rotation, it stretches out the piece to peg graft in the kicking block, the kicking block inclined plane with stretch out the joint between the piece have a cooperation piece, through extension spring swing joint between cooperation piece and the kicking block inclined plane, cooperation piece inclined plane is the elastic construction, and cooperation piece and stretch out fixed connection between the piece.
(III) advantageous effects
Compared with the prior art, the invention provides a lithium battery isolation film quality detection instrument, which has the following beneficial effects:
1. the lithium battery diaphragm quality detection instrument is matched with a slot group, a fixing device, a heat-resistant detection device and a puncture strength detection device for use, when in use, a worker can transmit a diaphragm to a detection position through a guide slot and then fix and detect the diaphragm by pressing down a connecting rod, at the moment, the worker can rotate the connecting rod to enable a cam on the connecting rod to extrude an extension block so as to drive an extrusion block to extrude the diaphragm, so that the tensile strength test can be rapidly carried out, the puncture strength detection device can enable the worker to rapidly test the puncture strength of the diaphragm through a puncture head, the heat-resistant detection device enables the worker to place the diaphragm into a fixed slot for heat-resistant strength test, so that three strengths of the diaphragm can be rapidly detected independently, the practicability of the device is increased.
2. The lithium battery isolation film quality detection instrument is characterized in that the groove group is specially arranged, the isolation films can be attached downwards due to the shape of the guide groove after entering the guide groove due to the shape of the guide groove, so that the isolation films are better contacted with the rotating wheel, the isolation films are driven to the detection position through the friction force between the isolation films and the rotating wheel, the time for manually placing the isolation films to the detection position is saved, the transmission mode can ensure that the situation of stacking a plurality of isolation films does not occur each time the detection is carried out through the friction of the rotating wheel on the isolation films, each isolation film can fully carry out corresponding detection, and meanwhile, the isolation films can be placed in an inclined state due to the shape of the main groove after entering the detection position, so that the two sides of the isolation films can be detected, and the detectable surface of the isolation films is maximized, the staff of being convenient for detects, has increased the practicality of device.
3. This lithium battery barrier film quality detecting instrument, cooperate fixing device to use through setting up resetting means, when the staff presses the connecting rod, the connecting rod can drive the fixed block downstream, the fixed block will extrude the reset block this moment, and the shape of reset block can let it slide on the master groove because of the extrusion of fixed block, the reset block can move the extension board through the expansion plate band simultaneously and move, let the fixed block can normally go down the motion, and behind the staff's hand release, reset spring can drive extension board and expansion plate and kick-back, thereby it resets to drive the reset block, just so can reset the fixed block fast through the reset block, and then make things convenient for the staff to detect next time, the practicality of device has been increased.
4. The lithium battery diaphragm quality detection instrument is used by arranging the puncture strength detection device, when the puncture strength is tested, a worker firstly fixes a diaphragm through a fixed block, then pushes a deviation block to tilt one end of a rotating shaft close to the deviation block so as to enable the rotating shaft to be meshed with a driven plate, at the moment, a puncture head can approach the direction of the diaphragm due to the transmission of the rotating shaft, so that the diaphragm can be extruded through the tip of the puncture head, meanwhile, the tip of the puncture head can slide on the diaphragm, the strength and the tolerance of the diaphragm can be better detected, the design of an Archimedes base limiting plate is added, when the driven plate needs to reset, the worker only needs to move the deviation block away, the rotating shaft is not meshed with the driven plate, at the moment, the driven plate can be reset again by directly pushing the driven plate, the limiting plate can ensure that the driven plate is located at the correct position when being reset, and the practicability of the device is improved.
5. This lithium battery barrier film quality detecting instrument, use through setting up controlling means, when the fixed block descends, the fixed block can extrude the control lever and be located the outer one end of detection platform, thereby make the control lever turn over through the fixed axle and roll over, thereby make the control lever drive motion frame rise, just so can let the lifter drive installation pole rise, let the installation pole drive extension piece and extrusion piece rise, when the staff rotates the connecting rod, the cam will be located the position that is less than the extension piece, just so can let the cam can be simpler and quick extrude the extension piece, the extension piece also lets the cam when rotating, can overturn by faster drive mounting panel, let the extrusion piece can carry out tensile strength's detection to the barrier film, the practicality of device has been increased.
6. This lithium battery barrier film quality detecting instrument, cooperate the use through fixing device and puncture intensity detection device, when carrying out short-term test, the staff can carry out short-term test to the barrier film through using fixing device and puncture intensity detection device, after functioning through foretell working method, the staff can rotate the connecting rod and use tensile strength detection device to carry out synchronous use, just so can fix the back at the barrier film, carry out puncture intensity and tensile strength's test simultaneously to the barrier film, once only carry out two detections, reduce staff's check-out time, the practicality of device has been increased.
7. The lithium battery isolation film quality detection instrument is used by arranging a multifunctional detection device, when the multifunctional detection device is used, a worker only needs to press the push rod, because the rotary drum is in threaded connection with the push rod, the push rod can be driven to rotate by the extrusion of the rotary drum, then the matching block extrudes the detection blocks at the two sides to extend out of the mounting cylinder through the arrangement of the matching block, so as to puncture the isolation membrane positioned in the fixed groove, the isolation membrane is simply fixed through the size of the fixed groove, the design of the extension groove is used as a preset space when the detection block is used for puncture detection, thus, the isolation film can detect the puncture strength when the isolation film has heat-resistant strength, and the tip of the detection block can be used for simply extruding the isolation film, so that the tensile strength of the isolation film is simply tested, and the practicability of the device is improved.
8. This lithium battery barrier film quality detecting instrument, through carrying out special setting in the kicking block, the shape of kicking block lets the kicking block can pass through kicking block inclined plane extrusion cooperation piece when the extrusion, the kicking block is when extrusion cooperation piece, just can let the cooperation piece drive stretch out the piece and stretch out to the one side of keeping away from the kicking block, just so can let the kicking block become longer to the extrusion length who detects the piece, thereby let and detect that the piece can stretch out from the installation section of thick bamboo more, simultaneously because the relation of being connected between kicking block and the cooperation piece, let the cooperation piece by the kicking block extrusion back, can reset through the extension spring of connecting, the assurance device can carry out reciprocating work, the practicality of device has been increased.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a partial structural view of the main body of the present invention;
FIG. 4 is a schematic structural diagram of a fourth embodiment of the present invention;
FIG. 5 is a schematic view of a partial structure of the control device of the present invention;
FIG. 6 is a schematic cross-sectional view of the internal structure of the case of the present invention;
FIG. 7 is a schematic view of a partial cross-sectional structure of the multifunctional detecting device of the present invention;
FIG. 8 is a schematic cross-sectional view of the structure within the top block of the present invention.
In the figure: 1. a detection table; 2. a groove group; 21. a main tank; 22. a guide groove; 3. a fixing device; 31. a fixed block; 32. a connecting rod; 33. a slide bar; 4. a heat-resistant detection device; 41. a box body; 42. fixing grooves; 43. an extension groove; 44. a cavity groove; 45. installing a shaft; 46. a retractable cover plate; 5. a resetting device; 51. an extension plate; 52. a fixing plate; 53. a return spring; 54. a retractable plate; 55. a reset block; 6. a puncture strength detecting device; 61. a rotating shaft; 62. a rotating wheel; 63. a passive plate; 64. a deflection block; 65. a puncture head; 66. a limiting plate; 7. a control device; 71. a control lever; 72. a fixed shaft; 73. a motion frame; 74. a lifting rod; 75. mounting a rod; 8. a tensile strength detection device; 81. mounting a plate; 82. an extension block; 83. extruding the block; 84. a cam; 9. a multifunctional detection device; 91. a rotating drum; 92. a push rod; 93. mounting the cylinder; 94. a detection block; 95. a spring is supported; 96. a top block; 97. a protruding block; 98. and (6) matching the blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: referring to fig. 1, 3 and 6, a lithium battery separator quality detection apparatus comprises a detection table 1, the detection table 1 is a table body with a concave-shaped cross section on the side surface, slot groups 2 are symmetrically arranged on the front side and the rear side of the detection table 1, the slot groups 2 comprise main slots 21, fixing devices 3 are arranged in the main slots 21, each fixing device 3 comprises a fixing block 31, a connecting rod 32 for connecting the two fixing blocks 31 is movably arranged between the two fixing blocks 31, a heat-resistant detection device 4 is arranged at the right side of the fixing device 3 in the detection table 1, a reset device 5 is arranged between the fixing blocks 31 and the main slots 21, a puncture strength detection device 6 is arranged at the position below the connecting rod 32 in the concave part of the detection table 1, the heat-resistant detection device 4 comprises a box body 41, two fixing slots 42 are arranged on the box body 41, a cavity slot 44 is arranged at the position between the two fixing slots 42 in the box body 41, a multifunctional detection device 9 is arranged in the box body 41, the same devices are symmetrically arranged in the front end and the rear end of the detection table 1, a control device 7 moving through the fixed block 31 is arranged in the position, corresponding to the fixed block 31, in the detection table 1, a cavity groove 44 is a concave groove, extending grooves 43 are arranged on the sides, deviating from each other, of the two fixing grooves 42, the multifunctional detection device 9 is positioned in the box body 41 and horizontal to the extending grooves 43, an installation shaft 45 is movably arranged on the upper surface of the box body 41, a telescopic cover plate 46 is inserted in the installation shaft 45, a heating sheet is fixedly arranged in the box body 41, the groove group 2 further comprises a guide groove 22, the main groove 21 is a right-angled triangular groove, the guide groove 22 is positioned on the vertical edge of the main groove 21, the guide groove 22 penetrates through the detection table 1 to the side far away from the heat-resistant detection device 4, and the opening size of one end, close to the main groove 21, of the guide groove 22 is half of the opening size of the end, far away from the main groove 21, of the guide groove 22, the fixed block 31 is a right-angle triangular block with the size being eight times of the zero point of the main groove 21, a sliding rod 33 is fixedly mounted on one side of the fixed block 31 close to the right-angle edge of the main groove 21, a vertical groove for sliding the sliding rod 33 is vertically formed in the position, corresponding to the sliding rod 33, of the main groove 21, and a top spring 95 is fixedly mounted at the position, below the sliding rod 33, in the vertical groove.
Example two: on the basis of the first embodiment, please refer to fig. 2, the reset device 5 includes an extension plate 51 and a fixing plate 52, the fixing plate 52 is fixedly installed on the detection table 1 at a position far from the sliding rod 33 of the fixing block 31, a reset spring 53 is fixedly installed between the extension plate 51 and the fixing plate 52, an extension plate 54 is fixedly installed below the extension plate 51, the extension plate 54 contacts with the fixing block 31, a reset block 55 is arranged below the fixing block 31, the reset block 55 is a rectangular block, the reset block 55 is slidably connected with the main groove 21, a height of an end of the reset block 55 close to the extension plate 54 is twice a height of an end of the reset block 55 far from the extension plate 54, and an inclined surface of the reset block 55 is opposite to an inclined surface of the fixing block 31.
Example three: on the basis of the second embodiment, referring to fig. 1 and 3, the puncture strength detecting device 6 includes a rotating shaft 61, the rotating shaft 61 is disposed below the guide groove 22 and inserted into the detecting table 1, rotating wheels 62 are fixedly mounted at both ends of the rotating shaft 61, the upper ends of the rotating wheels 62 penetrate through the lower surface of the guide groove 22, one end of the rotating shaft 61 disposed in the detecting table 1 is fixedly connected to the output end of the motor, a driven plate 63 is disposed below the rotating shaft 61, a position of the rotating shaft 61 corresponding to the driven plate 63 is gear-shaped, a deflecting block 64 is disposed at a side of the driven plate 63 far from the heat-resistant detecting device 4, the deflecting block 64 is movably engaged with a heat-resistant recessed portion of the detecting table 1, the deflecting block 64 is a block body having a right triangle front and back section, the driven plate 63 is engaged with the rotating shaft 61 through the deflecting block 64, a puncture head 65 is fixedly mounted at one end of the driven plate 63 near the heat-resistant detecting device 4, the front and back positions of the puncture head 65 correspond to the front and back positions of the resetting device 5, one end of the passive plate 63 close to the heat-resistant detection device 4 is provided with a limiting plate 66 in an attaching mode, and two ends of the limiting plate 66 are fixedly connected with the side wall of the sunken position in the detection table 1.
Example four: on the basis of the third embodiment, referring to fig. 4-5, the control device 7 includes a control rod 71, the control rod 71 is an L-shaped rod with two equal ends, the control rod 71 is located between the fixed block 31 and the main groove 21, a storage groove with a length adapted to the control rod 71 is vertically formed in the main groove 21 corresponding to the control rod 71, a fixed shaft 72 is movably installed at a bent portion of the control rod 71 through the control rod 71, the fixed shaft 72 is located in the detection table 1 and fixedly connected to the detection table 1, a moving frame 73 is disposed in the detection table 1 corresponding to one end of the control rod 71 located in the detection table 1, the moving frame 73 is a cylindrical frame, a bayonet with a size adapted to the moving frame 73 is formed in a position of one end of the control rod 71 located in the detection table 1 corresponding to the moving frame 73, a lifting rod 74 is fixedly installed at the upper end of the moving frame 73, the lifting rod 74 vertically penetrates through the detection table 1 and extends out of the detection table 1 for setting, the utility model discloses a test table, including lifter 74, installation pole 75, mounting pole 81, mounting pole 75 both ends respectively with two between the motion frame 73 through torsional spring connection, be provided with tensile strength detection device 8 on the installation pole 75, tensile strength detection device 8 includes mounting panel 81, fixed connection between mounting panel 81 and the installation pole 75, and mounting panel 81 is located the position that is close to connecting rod 32 below the installation pole 75, one side wall fixed mounting that mounting panel 81 is close to connecting rod 32 has half oval cylindric extension piece 82, fixed mounting has extrusion piece 83 on mounting panel 81 and the relative lateral wall of extension piece 82, fixed mounting has two cams 84 on the connecting rod 32, the cam 84 bulge upwards sets up, two cams 84 all are located and extend the corresponding position of piece 82 on the connecting rod 32.
Example five: on the basis of the fourth embodiment, referring to fig. 6-8, the multifunctional detecting device 9 includes a rotating cylinder 91, the rotating cylinder 91 is disposed through the box 41 from the front side of the box 41, the rotating cylinder 91 is located in the box 41 and clamped by the box 41, a push rod 92 is connected to the rotating cylinder 91 through an internal thread, the push rod 92 is a T-shaped rod, the push rod 92 is located outside the box 41 and connected between the box 41 and the rotating cylinder 91, an installation cylinder 93 is disposed at one end of the rotating cylinder 91 located in the box 41, the installation cylinder 93 is inserted into the installation cylinder 93, the installation cylinder 93 is located in the box 41 and horizontally disposed, the installation cylinder 93 and the box 41 are fixedly connected, detecting blocks 94 are movably connected to two sides of the rotating cylinder 93 through springs, the detecting blocks 94 are a combination of a cylinder and a cone, tips of the two detecting blocks 94 are disposed opposite, a top spring 95 is disposed in the rotating cylinder 91, top spring 95 one end and installation between the section of thick bamboo 93 fixed connection, the top spring 95 other end is located the one end fixed connection of rotary drum 91 with push rod 92, the one end symmetry fixed mounting that rotary drum 91 is located installation section of thick bamboo 93 has two kicking blocks 96, kicking block 96 is hollow form trapezoidal block, and kicking block 96 inclined plane direction is corresponding with rotary drum 91 direction of rotation, it has stretching out piece 97 to peg graft in the kicking block 96, there is cooperation piece 98 on the kicking block 96 inclined plane and the joint of stretching out between the piece 97, through extension spring swing joint between cooperation piece 98 and the kicking block 96 inclined plane, cooperation piece 98 inclined plane is the elastic construction, and cooperation piece 98 and stretch out fixed connection between the piece 97.
When the device is used, a worker can transmit the isolating membrane to a detection position through the guide groove 22 and then fix and detect the isolating membrane by pressing the connecting rod 32 downwards, at the moment, the worker can rotate the connecting rod 32 to enable the cam 84 on the connecting rod 32 to extrude the extending block 82 so as to drive the extruding block 83 to extrude the isolating membrane, so that the tensile strength test can be rapidly performed, the puncture strength detection device 6 can enable the worker to rapidly test the puncture strength of the isolating membrane through the puncture head 65, the heat-resistant detection device 4 can enable the worker to place the isolating membrane into the fixing groove 42 to perform a heat-resistant strength test, so that three strengths of the isolating membrane can be rapidly detected independently, the practicability of the device is increased, after the isolating membrane enters the guide groove 22, the isolating membrane can be attached downwards due to the shape of the guide groove 22, therefore, the isolating membrane is better contacted with the rotating wheel 62, the isolating membrane is driven to the detection position through the friction force between the isolating membrane and the rotating wheel 62, the time for manually placing the isolating membrane to the detection position is saved, and the transmission mode can ensure that the condition of stacking a plurality of isolating membranes does not occur when each detection is carried out through the friction of the rotating wheel 62 on the isolating membrane, each isolating membrane can fully carry out corresponding detection, meanwhile, the isolating membrane can be placed in an inclined shape after entering the detection position due to the shape of the main groove 21, so that the two sides of the isolating membrane can be detected, the detectable surface of the isolating membrane is maximized, the detection is convenient for workers, the practicability of the device is increased, when the workers press the connecting rod 32, the connecting rod 32 can drive the fixed block 31 to move downwards, and the reset block 55 can be extruded by the fixed block 31 at the moment, the reset block 55 is shaped to slide on the main groove 21 due to the extrusion of the fixed block 31, and the reset block 55 drives the extension plate 51 to move through the expansion plate 54, so that the fixed block 31 can normally move downward, and after the worker looses his hand, the reset spring 53 drives the extension plate 51 and the expansion plate 54 to rebound, so as to drive the reset block 55 to reset, so that the fixed block 31 can be quickly reset through the reset block 55, thereby facilitating the next detection by the worker, increasing the practicability of the device, when testing the puncture strength, the worker firstly fixes the isolation film through the fixed block 31, then pushes the deflection block 64 to tilt the end of the rotation shaft 61 close to the deflection block 64, so that the rotation shaft 61 is engaged with the passive plate 63, at this time, the puncture head 65 approaches the isolation film due to the transmission of the rotation shaft 61, therefore, the isolating membrane can be extruded by the tip of the puncture head 65, and meanwhile, the tip of the puncture head 65 can slide on the isolating membrane, so that the strength and the tolerance of the isolating membrane can be better detected, the design of the base limiting plate 66 is increased, when the driven plate 63 needs to reset, a worker only needs to move the deviation block 64 away, the rotating shaft 61 and the driven plate 63 are not meshed any more, at the moment, the driven plate 63 can reset again by directly pushing the driven plate 63, the limiting plate 66 can ensure that the driven plate 63 is located at the correct position when resetting, the practicability of the device is increased, when the fixed block 31 descends, the fixed block 31 can extrude one end of the control rod 71, which is located outside the detection table 1, so that the control rod 71 is folded through the fixed shaft 72, the control rod 71 drives the movable frame 73 to ascend, and the ascending and descending rod 74 can drive the installation rod 75 to ascend, the installation rod 75 is enabled to drive the extension block 82 and the extrusion block 83 to ascend, so that when a worker rotates the connecting rod 32, the cam 84 is located at a position lower than the extension block 82, so that the cam 84 can extrude the extension block 82 more simply and quickly, the extension block 82 also enables the cam 84 to drive the installation plate 81 to overturn more quickly when rotating, the extrusion block 83 can detect the tensile strength of the isolation membrane, the practicability of the device is improved, when the rapid detection is carried out, the worker can rapidly detect the isolation membrane by using the fixing device 3 and the puncture strength detection device 6, after the operation is carried out by the working mode, the worker can rotate the connecting rod 32 to use the tensile strength detection device 8 for synchronous use, so that the puncture strength and the tensile strength of the isolation membrane can be tested simultaneously after the isolation membrane is fixed, when the multifunctional detection device 9 is used, a worker only needs to press the push rod 92, because the rotary drum 91 and the push rod 92 are in threaded connection, the push rod 92 can be driven to rotate through the extrusion of the rotary drum 91, the matching block 98 is arranged to extrude the detection blocks 94 on two sides to extend out of the installation drum 93, so that the isolation membrane positioned in the fixed groove 42 is punctured, the isolation membrane is simply fixed through the size of the fixed groove 42, the extension groove 43 is designed to serve as a preset space for the detection blocks 94 to puncture detection, the isolation membrane can also be used for detecting the puncture strength when the heat-resistant strength is carried out, the tip of the detection block 94 can also be used for simply extruding the isolation membrane, so that the tensile strength of the isolation membrane can be simply tested, the practicality of the device is increased, the shape of the top block 96 enables the top block 96 to be capable of extruding the matching block 98 through the inclined plane of the top block 96 when being extruded, the top block 96 enables the matching block 98 to drive the extending block 97 to extend to one side far away from the top block 96 when being extruded to the matching block 98, so that the extrusion length of the top block 96 to the detecting block 94 is longer, the detecting block 94 is enabled to extend out of the mounting cylinder 93 more, meanwhile, due to the connection relation between the top block 96 and the matching block 98, the matching block 98 is enabled to reset through the connected tension spring after being extruded by the top block 96, the device is enabled to perform reciprocating work, and the practicability of the device is increased.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a lithium battery barrier film quality testing instrument, is including examining test table (1), examines test table (1) and is the stage body of side cross-section for character cut in bas-relief, its characterized in that: the heat-resistant detection device is characterized in that slot groups (2) are symmetrically arranged on the front side and the rear side of the detection table (1), each slot group (2) comprises a main slot (21), fixing devices (3) are arranged in the main slots (21), each fixing device (3) comprises a fixing block (31), a connecting rod (32) used for connecting the two fixing blocks (31) is movably arranged between the two fixing blocks (31), a heat-resistant detection device (4) is arranged at the position, located on the right side of the fixing device (3), in the detection table (1), a reset device (5) is arranged between the fixing blocks (31) and the main slots (21), a puncture strength detection device (6) is arranged at the position, located below the connecting rod (32), in the concave part of the detection table (1), each heat-resistant detection device (4) comprises a box body (41), two fixing slots (42) are arranged on the box body (41), and a cavity slot (44) is arranged at the position, located between the two fixing slots (42), in the box body (41), a multifunctional detection device (9) is arranged in the box body (41), and the same devices are symmetrically arranged in the front end and the rear end of the detection platform (1).
2. The lithium battery separator quality detection instrument according to claim 1, wherein: detect the position that corresponds with fixed block (31) in platform (1) and be provided with controlling means (7) through fixed block (31) motion, cavity groove (44) are the character cut in bas-relief groove, extension groove (43) have all been seted up to one side that two fixed slots (42) deviate from mutually, multi-functional detection device (9) are located box (41) and extend groove (43) looks horizontally position, box (41) upper surface movable mounting has installation axle (45), it has telescopic cover plate (46) to peg graft in installation axle (45), fixed mounting has the heating plate in box (41), bank of cells (2) still include guide groove (22), main groove (21) are right triangle's groove, guide groove (22) are located the vertical edge of main groove (21), guide groove (22) are run through to one side of keeping away from anti heat detection device (4) and are seted up detection platform (1), and the one end opening size that guide groove (22) are close to main groove (21) is for guide groove (22) one end opening size of keeping away from main groove (21) Half of that.
3. The lithium battery separator quality detection instrument according to claim 1, wherein: fixed block (31) are the right angle triangle-shaped piece that the size is eight times at zero point of main groove (21), and one side fixed mounting that fixed block (31) are close to main groove (21) right angle limit has slide bar (33), and the position that corresponds with slide bar (33) on main groove (21) is vertical offers and supplies the gliding perpendicular groove of slide bar (33), and the position fixed mounting that is located slide bar (33) below in the perpendicular inslot has top spring (95).
4. The lithium battery separator quality detection instrument according to claim 3, wherein: resetting means (5) are including extending board (51) and fixed plate (52), fixed plate (52) fixed mounting is located fixed block (31) on examining test table (1) and is kept away from the position of slide bar (33), fixed mounting has reset spring (53) between extending board (51) and fixed plate (52), extending board (51) below fixed mounting has expansion plate (54), contact between expansion plate (54) and fixed block (31), fixed block (31) below is provided with reset block (55), reset block (55) are the rectangular block, sliding connection between reset block (55) and main groove (21), reset block (55) are close to the one end height of expansion plate (54) and are the twice of the one end height that expansion plate (54) were kept away from to reset block (55), reset block (55) inclined plane and fixed block (31) inclined plane set up relatively.
5. The lithium battery separator quality detection instrument according to claim 2, wherein: the puncture strength detection device (6) comprises a rotating shaft (61), the position of the rotating shaft (61) below the guide groove (22) is inserted into the detection table (1) for setting, rotating wheels (62) are fixedly installed at two ends of the rotating shaft (61), the upper ends of the rotating wheels (62) penetrate through the lower surface of the guide groove (22) for setting, one end of the rotating shaft (61) in the detection table (1) is fixedly connected with the output end of a motor, a driven plate (63) is arranged below the rotating shaft (61), the position of the rotating shaft (61) corresponding to the driven plate (63) is in a gear shape, one side of the driven plate (63) far away from the heat-resistant detection device (4) is provided with a deviation block (64), the deviation block (64) is movably clamped in a concave part on the detection table (1), the deviation block (64) is a block body with a right-angled triangle front section and a rear section, and the driven plate (63) is meshed with the rotating shaft (61) through the deviation block (64), one end of the passive plate (63) close to the heat-resistant detection device (4) is fixedly provided with a puncture head (65), the front and back positions of the puncture head (65) correspond to the front and back positions of the reset device (5), one end of the passive plate (63) close to the heat-resistant detection device (4) is provided with a limiting plate (66) in an attaching mode, and the two ends of the limiting plate (66) are fixedly connected with the side wall of the sunken position in the detection table (1).
6. The lithium battery separator quality detection instrument according to claim 2, wherein: the control device (7) comprises a control rod (71), the control rod (71) is an L-shaped rod with two equal ends, the control rod (71) is positioned between the fixed block (31) and the main groove (21), a containing groove with the length matched with that of the control rod (71) is vertically arranged in the main groove (21) corresponding to the control rod (71), a fixed shaft (72) is movably arranged at the bending part of the control rod (71) in a way of penetrating through the control rod (71), the fixed shaft (72) is positioned in the detection platform (1) and fixedly connected with the detection platform (1), a moving frame (73) is arranged in the detection platform (1) corresponding to one end of the control rod (71) in the detection platform (1), the moving frame (73) is a cylindrical frame, a bayonet with the size matched with that of the moving frame (73) is arranged at the position of one end of the control rod (71) in the detection platform (1) corresponding to the moving frame (73), the upper end of the moving frame (73) is fixedly provided with a lifting rod (74), and the lifting rod (74) vertically penetrates through the detection platform (1) and extends out of the detection platform (1) to be arranged.
7. The lithium battery separator quality detection instrument as claimed in claim 6, wherein: an installation rod (75) is movably installed at one end of the lifting rod (74) which is positioned outside the detection table (1), two ends of the installation rod (75) are respectively connected with the two moving frames (73) through torsion springs, a tensile strength detection device (8) is arranged on the installation rod (75), the tensile strength detection device (8) comprises an installation plate (81), the installation plate (81) is fixedly connected with the installation rod (75), and mounting panel (81) are located the position that mounting rod (75) below is close to connecting rod (32), a side wall fixed mounting that mounting panel (81) are close to connecting rod (32) has half oval cylindric extension piece (82), fixed mounting has extrusion piece (83) on mounting panel (81) and the relative side wall of extension piece (82), fixed mounting has two cams (84) on connecting rod (32), cam (84) bulge upwards sets up, two cams (84) all are located on connecting rod (32) and extend the corresponding position of piece (82).
8. The lithium battery separator quality detection instrument according to claim 2, wherein: the multifunctional detection device (9) comprises a rotary drum (91), the rotary drum (91) penetrates through the box body (41) from the front side of the box body (41) to be arranged, the rotary drum (91) is positioned in the box body (41) and is clamped through the box body (41), a push rod (92) is connected with the rotary drum (91) in a threaded manner, the push rod (92) is a T-shaped rod body, the push rod (92) is positioned outside the box body (41) and penetrates through the box body (41) to be connected with the rotary drum (91), a mounting cylinder (93) is arranged at one end of the rotary drum (91) positioned in the box body (41), the mounting cylinder (93) is inserted in the mounting cylinder (93), the mounting cylinder (93) is positioned in the box body (41) and is horizontally arranged, the mounting cylinder (93) is fixedly connected with the box body (41), detection blocks (94) are respectively movably clamped and connected with the positions, which are positioned at two sides of the rotary drum (91), and the detection blocks (94) are a combination body of a cylinder and a cone, the two detection blocks (94) are arranged in a manner that the tips of the two detection blocks are opposite to each other.
9. The lithium battery separator quality detection instrument according to claim 8, wherein: be provided with top spring (95) in rotary drum (91), fixed connection between top spring (95) one end and the installation section of thick bamboo (93), one end fixed connection that the top spring (95) other end and push rod (92) are located rotary drum (91), one end symmetry fixed mounting that rotary drum (91) are located installation section of thick bamboo (93) has two kicking blocks (96), kicking block (96) are hollow form trapezoidal block, and kicking block (96) inclined plane direction is corresponding with rotary drum (91) direction of rotation, it stretches out piece (97) to peg graft in kicking block (96), the joint has cooperation piece (98) between kicking block (96) inclined plane and the piece (97) of stretching out, through extension spring swing joint between cooperation piece (98) and kicking block (96) inclined plane, cooperation piece (98) inclined plane is the elasticity structure, and cooperation piece (98) and stretch out fixed connection between piece (97).
CN202110942147.2A 2021-08-17 2021-08-17 Lithium battery isolation film quality detection instrument Pending CN113758801A (en)

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