High-pressure sealing machine for high-performance battery shell

Abstract

The utility model relates to a high-pressure sealing machine for a high-performance battery shell in the technical field of battery production equipment, which comprises a conveyor, a detection box is arranged on the conveyor, a battery sealing detection assembly is arranged in the detection box, and the battery sealing detection assembly is connected with a bearing plate; the bearing plate is connected with a moving assembly, the moving assembly comprises two vertical screw rods and two guide rods, screw holes are formed in the positions, corresponding to the vertical screw rods, of the bearing plate, and guide holes are formed in the positions, corresponding to the guide rods, of the bearing plate; the upper end of the vertical screw rod is connected with a positive and negative rotation motor, the lower end of the vertical screw rod extends into the detection box and is in threaded fit with the corresponding screw hole in the bearing plate, the upper end of the guide rod is fixedly connected with the inner wall of the top of the detection box, and the lower end of the guide rod penetrates through the corresponding guide hole. The height of the battery sealing detection assembly can be flexibly adjusted, so that the battery sealing detection assembly is suitable for detection of batteries with different heights, the utilization rate of equipment is improved, the stability is high, and detection is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the battery production equipment technical field, concretely relates to a high pressure tight machine for high performance battery shell. BACKGROUND

[0002] The pros and cons of the sealing performance of the battery shell, the influence on the performance of the battery itself and the influence on the safety of the customer using the battery are very important.If the sealing performance of the battery shell is poor, the oxygen in the air will enter the battery, and the acid liquid in the battery will overflow, causing the negative electrode oxidation reaction, resulting in the release of the electric energy stored in the battery by the negative electrode oxidation reaction and the normal work.In the production process of the battery, it needs to be sealed and detected, in the prior art, generally adopts the high pressure tight machine to detect, but currently the high pressure tight machine drives the up and down movement of the insulating plate of the battery sealing detection assembly through the air cylinder, can only detect the sealing performance of the battery of one height, the equipment utilization is low, and it is not applicable to the detection of the battery of different heights.Therefore, a high pressure tight machine for high performance battery shell is needed to solve the above technical problems. SUMMARY

[0003] In view of the above defects in the prior art, the utility model provides a high pressure tight machine for high performance battery shell, which comprises a conveyor, a detection box is arranged on the conveyor, an inlet and an outlet are arranged at two ends of the detection box, a battery sealing detection assembly is arranged in the detection box, the battery sealing detection assembly comprises an insulating plate and a high pressure cover, two electrode columns are arranged on the insulating plate, one of the electrode columns is electrically connected with the high pressure cover, and the lower end of the other electrode column penetrates through the insulating plate, a connecting plate is connected to the top of the insulating plate, and a bearing plate is connected to the upper surface of the connecting plate through a vertical air cylinder; a moving assembly is connected to the bearing plate, the moving assembly comprises two vertical screws and two guide rods, screw holes are arranged on the bearing plate corresponding to the vertical screws, and guide holes are arranged on the bearing plate corresponding to the guide rods; the upper end of the vertical screw is connected with a forward and reverse motor, the forward and reverse motor is fixed to the outer wall at the top of the detection box, the lower end of the vertical screw extends into the detection box and is threadedly connected with the corresponding screw hole on the bearing plate, and the upper end of the guide rod is fixedly connected with the inner wall at the top of the detection box, and the lower end of the guide rod penetrates through the corresponding guide hole. The forward and reverse rotation of the forward and reverse motor can drive the two vertical screws to rotate synchronously, the bearing plate drives the battery sealing detection assembly to move up and down, the height of the battery sealing detection assembly is flexibly adjusted, and the battery sealing detection assembly is applicable to the detection of the battery of different heights.

[0004] Preferably, the two guide rods correspond to the locking assembly provided on the bearing plate, the locking assembly comprises locking piece one and locking piece two; the locking piece one corresponds to one guide rod, comprising mutually matched hoop one and hoop two; the locking piece two corresponds to the other guide rod, comprising mutually matched hoop three and hoop four; the two sides of the locking piece one and the locking piece two are respectively matched with horizontal rotating rods, the two horizontal rotating rods correspond to the locking piece one and are provided with bidirectional screw segments one, the two ends of the hoop one and the hoop two are respectively matched with the forward thread and the reverse thread of the corresponding bidirectional screw segments one, and one guide rod passes through the hoop one and the hoop two; the two horizontal rotating rods correspond to the locking piece two and are provided with bidirectional screw segments two, the two ends of the hoop three and the hoop four are respectively matched with the forward thread and the reverse thread of the corresponding bidirectional screw segments two, and the other guide rod passes through the hoop three and the hoop four; the two ends of the two horizontal rotating rods are fixed with connecting seats on the corresponding bearing plate, and the two ends of the two horizontal rotating rods are respectively rotationally connected with the corresponding connecting seats through bearings, one end of the two horizontal rotating rods on the same side is respectively fixed with a chain wheel, the two chain wheels are connected through a transmission chain, one horizontal rotating rod is connected with a handle, and a hand hole is arranged on the corresponding detection box of the handle. The handle is rotated through the hand hole, so that the two horizontal rotating rods are synchronously rotated, the hoop one and the hoop two and the hoop three and the hoop four move towards each other to clamp and fix the two guide rods, so that the bearing plate is more stable, and the bearing plate is prevented from loosening and sliding downward on the vertical screw rod after long-term use.

[0005] Preferably, the high-voltage cover comprises two long strip-shaped conductive sheets one and two long strip-shaped conductive sheets two, the two conductive sheets one are arranged below one group of opposite sides of the insulating plate, the two conductive sheets one are respectively connected with horizontal telescopic rods one, the fixed ends of the two horizontal telescopic rods one are fixedly connected with the insulating plate through fixing frames one, and the telescopic ends of the two horizontal telescopic rods one are arranged towards each other and are fixedly connected with the corresponding conductive sheets one; the two conductive sheets two are arranged below the other group of opposite sides of the insulating plate, the two conductive sheets two are respectively connected with horizontal telescopic rods two, the fixed ends of the two horizontal telescopic rods two are fixedly connected with the insulating plate through fixing frames two, and the telescopic ends of the two horizontal telescopic rods two are arranged towards each other and are fixedly connected with the corresponding conductive sheets two. The high-voltage cover is composed of two conductive sheets one and two conductive sheets two, and the distance between the two conductive sheets one and the distance between the two conductive sheets two can be adjusted, so as to correspond to the joint of the shell and the shell cover of the battery, be able to contact the joint of the shell and the shell cover of the battery of different sizes, and improve the detection range and detection effect.

[0006] Preferably, the horizontal telescopic rods one and two are electric push rods or hydraulic cylinders.

[0007] Preferably, the conductive sheet one is located below the conductive sheet two and is always in contact with the conductive sheet two.

[0008] Preferably, the detection box is provided with a waste outlet, a push rod is arranged on the inner wall of the detection box corresponding to the waste outlet, and a horizontal pushing cylinder is connected to the push rod.

[0009] The utility model also includes other components capable of enabling the high-pressure sealing machine for the high-performance battery shell to be normally used, such as a control component of a conveyor, a control component of a forward-reverse motor, a control component of an electric push rod, a control component of a hydraulic cylinder, and the like, which are all conventional technical means in the field. In addition, devices or components not specified in the utility model, such as an electrode column, an insulating plate, a hoop, a chain wheel, a transmission chain, and the like, all adopt conventional technical means and conventional equipment in the field.

[0010] Working principle: first, the height of the bearing plate is reasonably adjusted according to the height of the battery to be detected, specifically, the two vertical screws are synchronously driven to rotate by synchronous forward-reverse rotation of the two forward-reverse motors, so that the bearing plate drives the battery sealing detection assembly to move up and down; subsequently, the battery to be detected is placed on the conveyor, and is sequentially sent into the detection box by the conveyor, and after being sent below the battery sealing detection assembly, the conveyor stops conveying, the vertical cylinder is elongated, the insulating plate is pressed down, the high-pressure cover contacts the combination of the shell and the shell cover of the battery, and the battery is subjected to air tightness detection.

[0011] The utility model has the advantages that the height of the battery sealing detection assembly can be flexibly adjusted, the battery sealing detection assembly is applicable to detection of batteries of different heights, the utilization rate of the equipment is improved, the stability is high, and the detection is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model is further described below in combination with the drawings and embodiments.

[0013] Figure 1 It is a structure schematic view of the high-pressure sealing machine for the high-performance battery shell in the utility model embodiment;

[0014] Figure 2 It is a structure schematic view of the high-pressure sealing machine for the high-performance battery shell in the utility model embodiment; Figure 1

[0015] Figure 3 It is a top view of A-A in the utility model embodiment; Figure 2

[0016] Figure 4 It is a top view of B-B in the utility model embodiment; Figure 2

[0017] Figure 5 It is a state diagram when the battery is detected in the utility model embodiment. Figure 2

[0018] ​​​​In the diagram: 1. Detection box; 2. Conveyor; 3. Forward and reverse motor; 4. Waste outlet; 5. Push rod; 6. Shell cover; 7. Bearing plate; 8. Guide rod; 9. Shell; 10. Vertical screw; 11. Vertical sleeve; 12. Vertical cylinder; 13. Connecting plate; 14. Insulating plate; 15. Fixing frame one; 16. Horizontal telescopic rod two; 17. Horizontal telescopic rod one; 18. Conductive plate one; 19. Fixing frame two; 20. Horizontal rotating rod; 21. Clamp one; 22. Clamp two; 23. Clamp three; 24. Transmission chain; 25. Clamp four; 26. Rotating handle; 27. Conductive plate two. Detailed Implementation

[0019] The present invention will now be clearly described with reference to the accompanying drawings and specific embodiments. This description is merely for explaining the present invention and is not intended to limit it. Any modifications, equivalent substitutions, improvements, etc., made by those skilled in the art based on the embodiments of the present invention without inventive effort to obtain all other embodiments should be included within the protection scope of the present invention.

[0020] Example

[0021] like Figures 1-3 As shown, this utility model provides a high-pressure sealing machine for a high-performance battery casing 9, including a conveyor 2. A testing box 1 is mounted on the conveyor 2, with an inlet and an outlet at each end. A battery sealing testing assembly is installed inside the testing box 1. The battery sealing testing assembly includes an insulating plate 14 and a high-pressure cover. Two electrode posts are mounted on the insulating plate 14, one of which is electrically connected to the high-pressure cover, and the lower end of the other electrode post penetrates the insulating plate. A connecting plate 13 is connected to the top of the insulating plate 14. A bearing plate 7 is connected to the upper surface of the connecting plate 13 via a vertical cylinder 12. The connecting plate 13 and the bearing plate 7 can also be... A retractable vertical sleeve 11 is provided for guiding purposes. The support plate 7 is connected to a moving assembly, which includes two vertical screws 10 and two guide rods 8. The support plate 7 has screw holes corresponding to the vertical screws 10 and guide holes corresponding to the guide rods 8. A forward / reverse motor 3 is connected to the upper end of each vertical screw 10 and is fixed to the outer wall of the top of the testing box 1. The lower end of each vertical screw 10 extends into the testing box 1 and is threaded into the corresponding screw hole on the support plate 7. The upper end of each guide rod 8 is fixedly connected to the inner wall of the top of the testing box 1, and the lower end of each guide rod 8 passes through the corresponding guide hole. The forward and reverse rotation of the forward / reverse motor 3 drives the two vertical screws 10 to rotate synchronously, causing the support plate 7 to move the battery sealing testing assembly up and down, flexibly adjusting the height of the battery sealing testing assembly to suit batteries of different heights.

[0022] Two said guide rod 8 corresponding bearing plate 7 is equipped with locking assembly, the locking assembly includes locking piece one and locking piece two; the locking piece one corresponds with a guide rod 8, including each other's cooperation hoop one 21 and hoop two 22;The locking piece two corresponds with another guide rod 8, including each other's cooperation hoop three 23 and hoop four 25;The two sides of the locking piece one and the locking piece two are respectively matched with horizontal rotating rod 20, two said horizontal rotating rod 20 corresponding locking piece one is equipped with two-way threaded section one, the two ends of the hoop one 21 and the hoop two 22 are respectively matched with the positive thread and the reverse thread of the corresponding two-way threaded section one, wherein one guide rod 8 passes through the hoop one 21 and the hoop two 22;Two said horizontal rotating rod 20 corresponding locking piece two is equipped with two-way threaded section two, the two ends of the hoop three 23 and the hoop four 25 are respectively matched with the positive thread and the reverse thread of the corresponding two-way threaded section two, another guide rod 8 passes through the hoop three 23 and the hoop four 25;The two ends of two said horizontal rotating rod 20 are fixed with connecting seat on the corresponding bearing plate 7, the two ends of two said horizontal rotating rod 20 are respectively connected with the corresponding connecting seat through bearing, wherein two said horizontal rotating rod 20 are respectively fixed with sprocket at the same side, two sprockets are connected by transmission chain 24, one horizontal rotating rod 20 is connected with handle 26, the handle 26 corresponding detection box 1 is equipped with hand hole.

[0023] The detection box 1 is provided with a waste outlet 4, and the inner wall of the detection box 1 corresponding to the waste outlet 4 is provided with a push rod 5, and the push rod 5 is connected with a horizontal push cylinder.

[0024] When working, first, according to the height of the battery to be detected, the height of the bearing plate is reasonably adjusted, the two forward and reverse motors are synchronously forward and reverse, the two vertical screws are synchronously rotated, the bearing plate drives the battery sealing detection assembly to move up and down;Subsequently, the battery to be detected is placed on the conveyor, and is sequentially sent into the detection box by the conveyor, and after being sent to the lower part of the battery sealing detection assembly, the conveyor stops conveying, the vertical cylinder is elongated, the insulating plate is pressed down, the high-voltage cover contacts the combination of the shell and the shell cover of the battery, and the battery is subjected to air tightness detection.

[0025] The principle of detection is the prior art, and the detection methods of patent numbers CN206146609U and CN203275033U can be referred to. Specifically, the electrode column penetrating the insulating plate contacts the electrode on the battery, and the other end of the two electrode columns is connected with the high-voltage detection circuit. Since the high-voltage cover is in contact with the combination of the shell of the battery and the shell cover, the high-voltage cover is opened. If the battery sealing is unqualified, under the action of high pressure, the acid mist overflowing from the battery can be ionized, the high-voltage detection circuit forms a path, and if the battery sealing is qualified, no acid mist overflows, and the high-voltage detection circuit cannot form a path.

[0026] Embodiment 2

[0027] As Figures 1-5 shown, the difference between the present embodiment and embodiment 1 is that the high-voltage cover includes two long strip-shaped conductive sheets one 18 and two long strip-shaped conductive sheets two 27. Two conductive sheets one 18 are arranged below one set of opposite edges of the insulating plate 14, and two conductive sheets one 18 are respectively connected with horizontal telescopic rods one 17. The fixed ends of two horizontal telescopic rods one 17 are respectively fixedly connected with the insulating plate 14 through fixed frames one 15, and the telescopic ends of two horizontal telescopic rods one 17 are arranged opposite to each other and are respectively fixedly connected with the corresponding conductive sheet one 18. Two conductive sheets two 27 are arranged below the other set of opposite edges of the insulating plate 14, and two conductive sheets two 27 are respectively connected with horizontal telescopic rods two 16. The fixed ends of two horizontal telescopic rods two 16 are respectively fixedly connected with the insulating plate 14 through fixed frames two 19, and the telescopic ends of two horizontal telescopic rods two 16 are arranged opposite to each other and are respectively fixedly connected with the corresponding conductive sheet two 27. The high-voltage cover is composed of two conductive sheets one 18 and two conductive sheets two 27, and the distance between two conductive sheets one 18 and the distance between two conductive sheets two 27 can be adjusted to correspond to the junction of the shell 9 and the shell cover 6 of the battery, so as to contact the junction of the shell 9 and the shell cover 6 of the battery of different sizes, thereby improving the detection range and the detection effect.

[0028] The horizontal telescopic rod one 17 and the horizontal telescopic rod two 16 are electric push rods 5 or hydraulic cylinders.

[0029] The conductive sheet one 18 is located below the conductive sheet two 27 and is always in contact with the conductive sheet two 27.

[0030] In operation, first, the height of the bearing plate is adjusted according to the height of the battery to be detected, specifically, the two vertical screws are synchronously rotated by the synchronous forward and reverse rotation of the two forward and reverse motors, so that the bearing plate drives the battery sealing detection assembly to move up and down; then, the battery to be detected is placed on the conveyor, and is sequentially sent into the detection box by the conveyor, after being sent below the battery sealing detection assembly, the conveyor stops conveying, the vertical cylinder is elongated, the two horizontal telescopic rods are elongated, and the two conductive sheets are in contact with the joint of the shell and the shell cover of the battery, so that the battery is subjected to the air tightness detection, after the detection is completed and no acid leakage is found, the two horizontal telescopic rods are retracted, the insulating plate continues to descend, the two horizontal telescopic rods are elongated, the second conductive sheet is in contact with the joint of the shell and the shell cover of the battery, and the battery is subjected to the air tightness detection again.

[0031] The electrode column penetrating through the insulating plate is in contact with the electrode on the battery, and the other end of the two electrode columns is connected with the high-voltage detection circuit, since the high-voltage cover is in contact with the joint of the shell and the shell cover of the battery, the high-voltage cover is opened, if the battery sealing is unqualified, the acid mist overflowing from the battery can be ionized under the action of high voltage, the high-voltage detection circuit forms a path, if the battery sealing is qualified, no acid mist overflows, and the high-voltage detection circuit cannot form a path.

[0032] The conveyor, the insulating plate, the high-voltage detection circuit, the electrode column and the insulating plate in the above embodiment are all prior art, and the application does not improve them, but only uses their existing functions, and the specific structure and principle thereof can be referred to product instructions or prior art materials, which are all prior art.

[0033] The above has described the embodiments of the application, and the above description is exemplary, is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the application shall be included in the protection scope of the application.

Claims

1. A high-voltage sealing machine for high-performance battery casings, comprising a conveyor, a testing box mounted on the conveyor, an inlet and an outlet at opposite ends of the testing box, a battery sealing testing assembly inside the testing box, the battery sealing testing assembly comprising an insulating plate and a high-voltage cover, two electrode posts mounted on the insulating plate, one electrode post electrically connected to the high-voltage cover, the lower end of the other electrode post penetrating the insulating plate, a connecting plate connected to the top of the insulating plate, and a bearing plate connected to the upper surface of the connecting plate via a vertical cylinder; characterized in that: The bearing plate is connected with a moving assembly, the moving assembly comprises two vertical screws and two guide rods, the bearing plate is provided with screw holes corresponding to the vertical screws, and the bearing plate is provided with guide holes corresponding to the guide rods; the upper end of the vertical screw is connected with a forward and reverse motor, the forward and reverse motor is fixed on the outer wall of the top of the detection box, the lower end of the vertical screw extends into the detection box and is in threaded connection with the corresponding screw hole of the bearing plate, and the upper end of the guide rod is fixedly connected with the inner wall of the top of the detection box; the lower end of the guide rod passes through the corresponding guide hole.

2. A high pressure bonding machine for high performance battery cases according to claim 1, characterized in that: Two guide rods correspond to the bearing plate and are provided with locking assemblies, the locking assemblies comprise locking members one and two; the locking member one corresponds to one guide rod and comprises clamps one and two matched with each other; the locking member two corresponds to the other guide rod and comprises clamps three and four matched with each other; the two sides of the locking member one and two are respectively matched with horizontal rotating rods, two horizontal rotating rods are provided with bidirectional screw threads one corresponding to the locking member one, the two ends of the clamps one and two are respectively matched with the forward screw threads and the reverse screw threads of the corresponding bidirectional screw threads one, and one guide rod passes through the clamps one and two; two horizontal rotating rods are provided with bidirectional screw threads two corresponding to the locking member two, the two ends of the clamps three and four are respectively matched with the forward screw threads and the reverse screw threads of the corresponding bidirectional screw threads two, and the other guide rod passes through the clamps three and four; the two ends of the two horizontal rotating rods are fixedly provided with connecting seats on the corresponding bearing plates, the two ends of the two horizontal rotating rods are respectively rotationally connected with the corresponding connecting seats through bearings, one end of the two horizontal rotating rods on the same side is respectively fixedly provided with a sprocket, the two sprockets are connected through a transmission chain, one horizontal rotating rod is connected with a handle, and a hand hole is formed in the detection box corresponding to the handle.

3. A high pressure bonding machine for high performance battery cases as claimed in claim 1, wherein: The high-voltage cover comprises two long strip-shaped conductive sheets one and two, two conductive sheets one are arranged below one group of opposite sides of the insulating plate, two horizontal telescopic rods one are connected with the two conductive sheets one respectively, the fixed ends of the two horizontal telescopic rods one are fixedly connected with the insulating plate through fixed frames one, and the telescopic ends of the two horizontal telescopic rods one are arranged opposite to each other and are fixedly connected with the corresponding conductive sheets one; two conductive sheets two are arranged below the other group of opposite sides of the insulating plate, two horizontal telescopic rods two are connected with the two conductive sheets two respectively, the fixed ends of the two horizontal telescopic rods two are fixedly connected with the insulating plate through fixed frames two, and the telescopic ends of the two horizontal telescopic rods two are arranged opposite to each other and are fixedly connected with the corresponding conductive sheets two.

4. A high pressure bonding machine for high performance battery cases as claimed in claim 3, wherein: The horizontal telescopic rods one and two are electric push rods or hydraulic cylinders.

5. A high pressure bonding machine for high performance battery cases as claimed in claim 3, wherein: The conductive sheet one is located below the conductive sheet two and is in contact with the conductive sheet two at all times.

6. A high pressure bonding machine for high performance battery cases as defined in claim 1, wherein: A waste outlet is arranged on the detection box, a push rod is arranged on the inner wall of the detection box corresponding to the waste outlet, and a horizontal push cylinder is connected with the push rod.

Images