Lithium battery voltage testing machine

Abstract

The utility model discloses a lithium battery voltage testing machine which comprises a testing base, a testing machine frame is fixedly installed on one side of the upper surface of the testing base, an upper transverse plate is fixedly installed on the outer wall of the top end of the testing machine frame, and a servo air cylinder is fixedly installed on the upper surface of the upper transverse plate through a fixing bolt. The output end of the servo air cylinder is movably connected with an air pressure rod in a telescopic mode, a lower guide plate is fixedly installed at the bottom end of the air pressure rod, a guide groove is formed in the lower surface of the lower guide plate, an inner screw rod is rotatably installed in the guide groove through a bearing, the inner screw rod is a positive and negative type threaded screw rod, and positive and negative threads of the inner screw rod are in threaded connection with threaded seats. When the lithium battery voltage testing device is used, a worker only needs to take and place a lithium battery without frequently taking a probe, so that the overall efficiency of lithium battery voltage testing can be effectively improved, the testing speed can be improved, and meanwhile, the labor intensity of the worker can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery test technical field, concretely is a kind of lithium battery voltage testing machine. BACKGROUND

[0002] Lithium battery is a kind of by lithium metal or lithium alloy as positive / negative electrode material, using non-aqueous electrolyte solution battery;

[0003] Due to the chemical properties of lithium metal is very active, make lithium metal processing, preservation, use, to environment requirement is very high.With the development of science and technology, lithium battery has become mainstream;

[0004] Voltage is the important operating parameter of lithium battery, and can reflect the internal state of battery, the voltage of lithium battery needs to be tested in the production quality inspection work of lithium battery, but the traditional lithium battery voltage test is all operated using manual testing mode, i.e. manually manually one of voltage test needle contacts lithium battery positive pole, another voltage test needle contacts negative pole to carry out voltage test collection work, this data test collection mode needs manual frequently to take and place test needle and carry out alignment, test efficiency is low, and frequently taking and placing test needle can increase the labor intensity of worker, consume manpower, therefore the utility model provides a kind of lithium battery voltage testing machine. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of lithium battery voltage testing machine to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of lithium battery voltage testing machine, including test base, the upper surface one side of test base is fixedly installed with test rack, the top outer wall of test rack is fixedly installed with upper horizontal plate, the upper surface of upper horizontal plate is fixedly installed with servo air cylinder by fixed bolt, the output of servo air cylinder telescopic activity is connected with air pressure rod, the bottom of air pressure rod is fixedly installed with lower guide plate, the lower surface of lower guide plate is provided with guide slot, inner screw rod is rotatably installed in guide slot by bearing, inner screw rod is positive and negative type screw thread screw rod, the positive and negative thread of inner screw rod is all screw thread connection with screw seat, the outer wall of two screw seats is all fixedly installed with fixed jaw, the inside of two fixed jaws is all fixedly clamped with test needle.

[0007] Preferably, the test needle in the two fixed jaws is positive test needle and negative test needle respectively.

[0008] Preferably, two linear guides are fixedly installed on the front outer wall of test rack, and the two linear guides are vertically arranged.

[0009] Preferably, the back of the lower guide plate is fixedly provided with guide slides on both sides, and the two guide slides are respectively connected with the two linear guide rails in limiting sliding mode.

[0010] Preferably, the end of the inner screw rod is fixedly provided with a knob outside the lower guide plate, and the knob is provided with anti-skid convex patterns.

[0011] Preferably, a test table is fixedly arranged above the test base and directly below the test needle.

[0012] Preferably, anti-skid pads made of anti-skid rubber are adhered to the four corners of the bottom end of the test base.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The utility model discloses a test needle is fixed on the fixed jaw, and the test needle can be lifted up and down under the action of the cylinder driving structure, so that the normal voltage test work of the utility model can be ensured, the worker only needs to take and place the lithium battery, and the test needle does not need to be frequently taken, so that the overall efficiency of lithium battery voltage test can be effectively improved, the test speed is improved, the labor intensity of the worker is effectively reduced, manpower is saved, and the working quality is improved.

[0015] The utility model discloses a test needle is fixed on the fixed jaw, and the test needle can be lifted up and down under the action of the cylinder driving structure, so that the normal voltage test work of the utility model can be ensured, the worker only needs to take and place the lithium battery, and the test needle does not need to be frequently taken, so that the overall efficiency of lithium battery voltage test can be effectively improved, the test speed is improved, the labor intensity of the worker is effectively reduced, manpower is saved, and the working quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a test machine three-dimensional structure schematic view of the utility model embodiment;

[0017] Figure 2 It is a test machine bottom view structure schematic view of the utility model embodiment;

[0018] Figure 3 It is an upper horizontal plate structure assembly schematic view of the utility model embodiment;

[0019] Figure 4 Figure 2 is a bottom view of the bottom of the lower guide plate of the embodiment of the present application;

[0020] Figure 5 Figure 3 is a schematic view of the A area enlarged structure of the embodiment of the present application. Figure 4

[0021] In the figure: 1, test base; 2, test rack; 3, upper horizontal plate; 4, servo air cylinder; 5, air pressure rod; 6, lower guide plate; 7, inner screw rod; 8, threaded seat; 9, fixed clamping jaw; 10, positive test needle; 11, negative test needle; 12, linear guide rail; 13, guide sliding seat; 14, test table; 15, non-slip pad; 16, knob. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] Please refer to Figures 1-5 ​The utility model provides an embodiment: a kind of lithium battery voltage testing machine, including test base 1, the upper surface side of test base 1 is fixedly installed with test rack 2, the top outer wall of test rack 2 is fixedly installed with upper horizontal plate 3, the upper surface of upper horizontal plate 3 is fixedly installed with servo air cylinder 4 by fixed bolt, the output end telescopic movement of servo air cylinder 4 is connected with air pressure rod 5;

[0026] Wherein, referring to the drawings in the specific description Figure 4 And Figure 5 As shown, the bottom end of air pressure rod 5 is fixedly installed with lower guide plate 6, the lower surface of lower guide plate 6 is provided with guide groove, inner screw rod 7 is rotatably installed in guide groove by bearing, inner screw rod 7 is positive and negative type screw rod, the positive and negative threads of inner screw rod 7 are all connected with screw seat 8, the outer wall of two screw seats 8 is all fixedly installed with fixed jaw 9, and the inside of two fixed jaws 9 is all fixedly clamped with test needle, and in order to drive inner screw rod 7 to carry out manual rotation work, one end of inner screw rod 7 is fixedly installed with knob 16 by penetrating lower guide plate 6, and anti-slip relief is provided on knob 16;

[0027] This structure shows that the manually rotating work can be carried out by the setting of inner screw rod 7, since inner screw rod 7 is positive and negative type screw rod, when inner screw rod 7 rotates, two screw seats 8 threadedly connected on it will move relatively, that is, away from each other or close to each other, so that the relative movement of the two test needles on fixed jaw 9 can be driven by the relative movement of screw seat 8, so that the distance between the two test needles can be adjusted.

[0028] This structure design, the telescopic treatment of air pressure rod 5 can be driven by the setting of servo air cylinder 4, when air pressure rod 5 is stretched out, it will drive the bottom end of lower guide plate 6 and its structure assembly to descend as a whole, so that the two test needles can be driven to descend by the descent of lower guide plate 6, so that they can contact the lower lithium battery electrode.

[0029] Wherein, the test needles in the two fixed jaws 9 are positive test needle 10 and negative test needle 11 respectively, in actual use, the positive test needle 10 and the negative test needle 11 are electrically connected to the external voltage testing instrument through the wire, so that the positive and negative electrodes of the lithium battery to be tested are contacted by the positive test needle 10 and the negative test needle 11, and the test voltage signal is transmitted to the external voltage testing instrument for display through the wire, so that the normal voltage test of the lithium battery of the utility model can be ensured.

[0030] The utility model discloses a positive pole test needle 10 and negative pole test needle 11 are directly fixed on fixed jaw 9, and this can avoid the test needle from being taken frequently by artificial, and the test needle fixed can be lifted up and down under the action of the cylinder driving structure, thereby guaranteeing the normal voltage test work of the utility model, improving the overall efficiency of test, reducing the labor intensity of workers, saving manpower and improving work quality.

[0031] The utility model discloses a positive pole test needle 10 and negative pole test needle 11 are directly fixed on fixed jaw 9, and this can avoid the test needle from being taken frequently by artificial, and the test needle fixed can be lifted up and down under the action of the cylinder driving structure, thereby guaranteeing the normal voltage test work of the utility model, improving the overall efficiency of test, reducing the labor intensity of workers, saving manpower and improving work quality.

[0032] In the embodiment, in order to provide certain displacement guiding property for the displacement of the lower guide plate 6, two linear guides 12 are fixedly installed on the front outer wall of the test frame 2, and the two linear guides 12 are vertically arranged.

[0033] The back surface of the lower guide plate 6 is fixedly installed with two guide sliding seats 13, and the two guide sliding seats 13 are respectively connected with the two linear guides 12 in a limiting sliding mode, so that the guide sliding seat 13 and the linear guide 12 are used in cooperation, thereby providing certain displacement guiding property for the displacement of the lower guide plate 6, ensuring the displacement linearity of the lower guide plate 6 and improving the displacement accuracy.

[0034] In the embodiment, in order to facilitate the placement of the lithium battery, a test table 14 is fixedly installed above the test base 1 and directly below the test needle, and the test table 14 can be used for placing the lithium battery of the adaptive size.

[0035] In the embodiment, in order to improve the bottom anti-skid property of the test base 1 and improve the desktop anti-skid effect, the test base 1 is attached with anti-skid pads 15 at the four corners of the bottom end through glue, and the anti-skid pads 15 are anti-skid rubber pads.

[0036] Working principle: the utility model discloses before using, positive test needle 10 and negative test needle 11 are electrically connected to the voltage testing instrument outside through wire, and the lithium battery structure that needs to carry out voltage test and is adapted to the test table 14 of the utility model is placed on the test table 14 during testing work;

[0037] After the lithium battery is placed, the servo cylinder 4 set up can work at this time, and the servo cylinder 4 drives the air pressure rod 5 to extend when working, and the air pressure rod 5 can drive the lower guide plate 6 and the positive test needle 10 and the negative test needle 11 thereon to descend synchronously;

[0038] The descending positive test needle 10 and negative test needle 11 can contact the lithium battery positive and negative terminal post to be measured, so that the voltage information can be measured through the descending positive test needle 10 and negative test needle 11, and the tested voltage signal is transmitted to the external voltage testing instrument through the wire to display, so that the normal voltage test work of the lithium battery of the utility model can be ensured;

[0039] After voltage test is completed, the positive test needle 10 and the negative test needle 11 are reset under the action of the servo cylinder 4, at this time, the working personnel take down the tested lithium battery, and put in the new lithium battery, and the lithium battery voltage cycle test work of the utility model can be completed by the above-mentioned mode;

[0040] According to the above description, the utility model discloses that the positive test needle 10 and the negative test needle 11 are directly fixed on the fixed jaw 9, so that the test needle need not be manually held again in the actual voltage test process, so that the test needle can be effectively avoided by manual frequently, and the fixed test needle can be driven by the cylinder driving structure to ascend and descend, so that the normal voltage test work of the utility model can be ensured, the working personnel only need to take and place the lithium battery, need not frequently take the probe, so that the overall efficiency of lithium battery voltage test can be effectively improved, the test speed is improved, and the labor intensity of workers is effectively reduced, manpower is saved, and the working quality is improved;

[0041] And the utility model discloses that the inner screw rod 7 can carry out manual rotation work, since the inner screw rod 7 is a positive and negative type screw thread screw rod, when the inner screw rod 7 rotates, the two threaded seats 8 threadedly connected thereon will move relatively, that is, move away from each other or move close to each other, so that the relative movement of the threaded seat 8 can drive the two test needles on the fixed jaw 9 to move relatively, so that the distance between the two test needles can be adjusted;

[0042] The utility model discloses a positive and negative test needle can be driven to move relatively by the positive and negative thread transmission structure, that is, move away from each other or move close to each other, so that the interval between the positive test needle 10 and the negative test needle 11 can be adjusted, and the interval between the two test needles can be adjusted in actual use, so that the utility model can be suitable for the interval distance of the positive and negative poles of different types of lithium batteries, can be adapted to the dynamic distance adjustment according to the interval between the positive and negative poles of different lithium batteries, the positive test needle 10 and the negative test needle 11 can accurately contact the positive and negative poles of different types of lithium batteries, the overall adaptability and use range of the structure are improved, the use limitation is effectively reduced, the utility model can be suitable for different types of lithium batteries for voltage test work, and the utility model is more widely used.

[0043] It is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, the scope of the utility model is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

Claims

1. A lithium battery voltage tester, comprising a test base (1), characterized in that, A test frame (2) is fixedly installed on one side of the upper surface of the test base (1). An upper horizontal plate (3) is fixedly installed on the top outer wall of the test frame (2). A servo cylinder (4) is fixedly installed on the upper surface of the upper horizontal plate (3) by fixing bolts. A pneumatic rod (5) is connected to the output end of the servo cylinder (4) through telescopic movement. A lower guide plate (6) is fixedly installed at the bottom end of the pneumatic rod (5). A guide groove is opened on the lower surface of the lower guide plate (6). An inner screw (7) is installed in the guide groove through a bearing. The inner screw (7) is a positive and negative thread screw. A threaded seat (8) is threaded on both the positive and negative threads of the inner screw (7). A fixed clamp (9) is fixedly installed on the outer wall of both threaded seats (8). The test needle is fixedly clamped inside the two fixed clamps (9).

2. The lithium battery voltage tester according to claim 1, characterized in that: The test pins inside the two fixed grippers (9) are the positive test pin (10) and the negative test pin (11).

3. A lithium battery voltage tester according to claim 1, characterized in that: Two linear guide rails (12) are fixedly installed on the outer wall of the front of the test frame (2), and the two linear guide rails (12) are set vertically.

4. A lithium battery voltage tester according to claim 1, characterized in that: Guide slides (13) are fixedly installed on both sides of the back of the lower guide plate (6), and the two guide slides (13) are respectively limited and slidably connected to the two linear guide rails (12).

5. A lithium battery voltage tester according to claim 1, characterized in that: One end of the inner screw (7) passes through the lower guide plate (6) and is fixedly installed with a knob (16), which has anti-slip ridges.

6. A lithium battery voltage tester according to claim 1, characterized in that: A test platform (14) is fixedly installed above the test base (1) and directly below the test probe.

7. A lithium battery voltage tester according to claim 1, characterized in that: The test base (1) has anti-slip pads (15) glued to the four corners of the bottom. The anti-slip pads (15) are anti-slip rubber pads.

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