New energy automobile battery large end plate machining tool

Abstract

The utility model relates to the field of battery end plate machining, in particular to a new energy automobile battery large end plate machining tool. According to the utility model, multilateral reference positioning is carried out on the end plate through the positioning station, the elastic piece abuts against the pressing side of the end plate for pre-positioning, and the pressing assemblies press the pressing side of the end plate on the positioning station, so that the positioning of the end plate is completed, and the position of the end plate does not generate positioning deviation; the longitudinal and transverse accurate positioning of the end plate is quickly completed; the two pressing assemblies press the two sides of the end plate to the positioning stations, vertical fixing of the end plate is further completed, the end plate is prevented from shaking in the machining process, and the machining quality is improved. The rotating mechanism drives the jig plate to rotate so that the pose of the end plate can be changed for multi-angle machining, the application range is wide, repeated clamping is not needed, and the machining efficiency is high.

Description

Technical Field

[0001] The utility model relates to the field of battery end plate processing, in particular to a tool for processing a large end plate of a new energy vehicle battery. Background Art

[0002] A cell is the smallest unit of a lithium-ion battery. It has a high energy density, storing as much energy as possible, allowing electric vehicles or other devices equipped with lithium-ion batteries to have a longer driving life. When multiple cells are packaged together in a housing frame, they form a battery module.

[0003] The large end plates of existing battery modules are generally processed using universal tooling, which often uses fixed fixtures. When processing end plates of the same model and specification, tooling of different sizes needs to be replaced to position them. Frequent replacement of tooling will also cause a waste of working hours, which is not conducive to enterprise production. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a large end plate processing tool for new energy vehicle batteries, which can quickly complete the precise longitudinal and transverse positioning of the end plate, avoid the shaking of the end plate during processing, and change the position of the end plate for multi-angle processing.

[0005] In order to solve the above technical problems, the technical solutions adopted by the present invention are as follows:

[0006] A new energy vehicle battery large end plate processing tool, comprising:

[0007] A positioning jig includes a jig plate, wherein a plurality of reference blocks are provided on the jig plate. The plurality of reference blocks are arranged around the jig plate to form a positioning station, wherein the positioning station is used to perform multilateral reference positioning on the end plate;

[0008] The pressing mechanism includes two pressing assemblies, which are respectively arranged on the pressing ends located on both sides of the positioning station, and the two pressing assemblies are used to press the two sides of the end plate on the positioning station;

[0009] A clamping mechanism, comprising a plurality of clamping assemblies, wherein the plurality of clamping assemblies are arranged on a clamping end located on one side of the positioning station, and the plurality of clamping assemblies are used to clamp the clamping side of the end plate onto the positioning station;

[0010] The pre-positioning mechanism includes a plurality of positioning components, each of which is arranged on the pressing end of the positioning station. The positioning component includes a positioning block, the positioning block is provided with a telescopic opening, the telescopic opening is provided with an elastic member, and the elastic member is pressed against the pressing side of the end plate;

[0011] The rotating mechanism is connected to the jig plate for driving, and the rotating mechanism is used to drive the jig plate for rotation processing.

[0012] In one embodiment of the present invention, a vacuum chamber is provided on the positioning block, and the elastic member includes a piston block and a locking tongue. The piston block is slidably arranged in the vacuum chamber, and the locking tongue is passed through the telescopic opening. The width of the piston block is greater than the width of the telescopic opening, so that the piston block cannot be separated from the telescopic opening, and an air hole is provided on the positioning block.

[0013] In one embodiment of the present invention, a guiding inclined surface is provided on the lock tongue, and a clamping groove is provided in the middle of the lock tongue, and the clamping groove is in a trumpet-mouth structure.

[0014] In one embodiment of the present invention, the pressing assembly includes a support frame and a pressing rod, the support frame is arranged on the jig plate, the middle part of the pressing rod is hinged to the support frame, the jig plate is provided with a pressing cylinder, the pressing cylinder is driven and connected to the pressing rod, the free end of the pressing rod is provided with a pressing block, the pressing cylinder drives the pressing rod to rotate along the support frame, thereby driving the pressing block to press the end plate tightly on the positioning station.

[0015] In one embodiment of the present invention, the pressing block includes a main body, a pressing groove is provided on the main body, a pressing plate is provided on the pressing groove, the pressing plate is connected to the main body by screws, and a pressing groove matching the end plate is provided on the pressing plate.

[0016] In one embodiment of the present invention, the clamping assembly includes a clamping block and a screw rod, the clamping block is provided with a mounting hole, the jig plate is provided with a screw hole, the screw rod passes through the mounting hole and is connected to the screw hole, and the clamping block is provided with a pressure strip.

[0017] In one embodiment of the present invention, the pressure strip includes a first positioning protrusion and a second positioning protrusion, the first positioning protrusion and the second positioning protrusion are respectively arranged at two ends of the pressing block, and the height of the first positioning protrusion is higher than the height of the second positioning protrusion.

[0018] In one embodiment of the present invention, a guide groove matching the first positioning protrusion is provided on the jig plate, and when the screw drives the second positioning protrusion on the pressing block to press, the first positioning protrusion slides along the guide groove.

[0019] In one embodiment of the present invention, a limiting ring is provided on the screw, and the limiting ring and the head of the screw are respectively provided at both ends of the clamping block, the diameter of the mounting hole is larger than the diameter of the screw, and the outer diameter of the limiting ring is larger than the diameter of the mounting hole.

[0020] In one embodiment of the present invention, the rotating mechanism includes a rotating frame, fixed frames are provided on both sides of the rotating frame, a rotating platform is provided on the fixed frame, the rotating platform is connected to the mounting frame, the mounting frame is connected to the jig plate, and the rotating platform is driven by a reduction motor.

[0021] Beneficial effects of the utility model:

[0022] The utility model performs multilateral reference positioning on the end plate through the positioning station, and the elastic part presses the pressing side of the end plate for pre-positioning, and multiple pressing components then press the pressing side of the end plate on the positioning station to complete the positioning of the end plate, so that the position of the end plate does not undergo positioning deviation, and the precise longitudinal and transverse positioning of the end plate is quickly completed; the two pressing components press the two sides of the end plate on the positioning station, further completing the vertical fixation of the end plate, avoiding the end plate from shaking during processing, and improving the processing quality; the rotating mechanism drives the fixture plate to rotate to change the posture of the end plate for multi-angle processing, has a wide range of applications, does not require repeated clamping, and has high processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of a tooling for processing a large end plate of a new energy vehicle battery according to the present invention.

[0024] Figure 2 It is a schematic diagram of the pressing mechanism of the present utility model.

[0025] Figure 3 It is a schematic diagram of the material pressing mechanism of the present utility model.

[0026] Figure 4 It is a schematic diagram of the pre-positioning mechanism of the utility model.

[0027] Explanation of the numbers in the figure: 1. Rotating mechanism; 11. Rotating frame; 12. Fixed frame; 13. Rotating table; 14. Mounting frame; 15. Reducer motor; 2. Jig plate; 3. End plate; 4. Reference block; 5. Pressing assembly; 51. Pressing cylinder; 52. Support frame; 53. Pressing rod; 54. Pressing block; 55. Pressing plate; 56. Screw; 57. Pressing groove; 6. Positioning station; 7. Clamping assembly; 71. Clamping block; 72. Screw; 73. Screw hole; 74. Second positioning protrusion; 75. First positioning protrusion; 76. Guide groove; 77. Limiting ring; 8. Positioning assembly; 81. Positioning block; 82. Lock tongue; 83. Piston block; 84. Vacuum chamber; 85. Air hole; 86. Guide slope; 87. Slot. DETAILED DESCRIPTION

[0028] The present invention will be further described below with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it. However, the embodiments are not intended to limit the present invention.

[0029] Reference Figure 1-4 As shown, a new energy vehicle battery large end plate 3 processing tooling includes:

[0030] A positioning jig includes a jig plate 2 on which a plurality of reference blocks 4 are provided. The plurality of reference blocks 4 are arranged around the jig plate 2 to form a positioning station 6 for performing a multilateral reference positioning on the end plate 3.

[0031] The pressing mechanism includes two pressing assemblies 5, which are respectively arranged on the pressing ends on both sides of the positioning station 6. The two pressing assemblies 5 are used to press the two sides of the end plate 3 on the positioning station 6;

[0032] The clamping mechanism includes a plurality of clamping assemblies 7, which are arranged on a clamping end located on one side of the positioning station 6, and are used to clamp the clamping side of the end plate 3 onto the positioning station 6;

[0033] The pre-positioning mechanism includes a plurality of positioning components 8, each of which is arranged on the pressing end of the positioning station 6. The positioning component 8 includes a positioning block 81, and the positioning block 81 is provided with a telescopic opening. The telescopic opening is provided with an elastic member, and the elastic member is pressed against the pressing side of the end plate 3;

[0034] The rotating mechanism 1 is drivingly connected to the jig plate 2 , and the rotating mechanism 1 is used to drive the jig plate 2 to rotate for processing.

[0035] The utility model performs multilateral reference positioning on the end plate 3 through the positioning station 6, and the elastic member presses the pressing side of the end plate 3 for pre-positioning, and multiple pressing components 7 then press the pressing side of the end plate 3 on the positioning station 6, thereby completing the positioning of the end plate 3, so that the position of the end plate 3 does not undergo positioning deviation, and the precise longitudinal and transverse positioning of the end plate 3 is quickly completed; the two pressing components 5 press the two sides of the end plate 3 on the positioning station 6, further completing the vertical fixation of the end plate 3, avoiding the end plate 3 from shaking during processing, and improving the processing quality; the rotating mechanism 1 drives the fixture plate 2 to rotate to change the posture of the end plate 3 for multi-angle processing, with a wide range of applications, no need for repeated clamping, and high processing efficiency.

[0036] The utility model can be provided with two positioning stations 6 on the jig plate 2, so that two products can be loaded at a time. The loading and fixing of products realizes mechanically assisted automation, which can avoid errors caused by the movement of products during the processing process and make the features after processing more accurate. At the same time, the tooling of the present application can be reused for products of the same model and specification, has high production efficiency, and is suitable for mass production.

[0037] The operation of this tool is relatively simple and does not require high skills from the operator. Generally, personnel can operate it after training.

[0038] In one embodiment of the present invention, a vacuum chamber 84 is provided on the positioning block 81, and the elastic member includes a piston block 83 and a locking tongue 82. The piston block 83 is slidably arranged in the vacuum chamber 84, and the locking tongue 82 is passed through the telescopic opening. The width of the piston block 83 is greater than the width of the telescopic opening, so that the piston block 83 cannot be separated from the telescopic opening. An air hole 85 is provided on the positioning block 81, and the air hole 85 is connected to the vacuum generating equipment, and the locking tongue 82 is controlled by suction and blowing to press / loosen the end plate 3.

[0039] Specifically, positioning components 8 are provided on one side and the pressing side of the end plate 3. The edge of the end plate 3 moves downward along the guide slope 86 on the lock tongue 82, thereby squeezing the lock tongue 82 back into the vacuum chamber 84. Blowing air into the vacuum chamber 84 drives the lock tongue 82 to always press against the side of the end plate 3 until the bottom surface of the end plate 3 is completely fitted with the jig plate 2, thereby realizing rapid positioning of the end plate 3 and improving processing efficiency.

[0040] In one embodiment of the present invention, a guide slope 86 is provided on the lock tongue 82, and a card slot 87 is provided in the middle of the lock tongue 82. The card slot 87 is a trumpet-mouth structure. The card slot 87 with a trumpet-mouth structure can be clamped on the partition or protrusion of the short plate, which has a certain correction effect on the position of the end plate 3, and at the same time increases the friction force to further improve the clamping effect.

[0041] In one embodiment of the present invention, the pressing assembly 5 includes a support frame 52 and a pressing rod 53, the support frame 52 is arranged on the jig plate 2, the middle part of the pressing rod 53 is hinged to the support frame 52, and a pressing cylinder 51 is provided on the jig plate 2, the pressing cylinder 51 is driven and connected to the pressing rod 53, and a pressing block 54 is provided at the free end of the pressing rod 53, the pressing cylinder 51 drives the pressing rod 53 to rotate along the support frame 52, so that the pressing block 54 presses the end plate 3 on the positioning station 6, thereby ensuring the processing accuracy of the end plate 3 and improving the qualified rate of the processed end plate 3.

[0042] In one embodiment of the present invention, the pressing block 54 includes a main body, a pressing groove is provided on the main body, a pressing plate 55 is provided on the pressing groove, the pressing plate 55 is connected to the main body by screws 56, and a pressing groove 57 matching the end plate 3 is provided on the pressing plate 55.

[0043] Specifically, the pressing plate 55 is connected to the main body by screws 56, and the pressing plate 55 can be quickly replaced according to different end plates 3, reducing maintenance difficulty and reducing usage costs; a pressing groove 57 matching the end plate 3 is provided on the pressing plate 55, which can make the pressing plate 55 fit more closely with the end plate 3, ensure the pressing effect, and avoid shaking of the end plate 3 during processing.

[0044] In one embodiment of the present invention, the clamping assembly 7 includes a clamping block 71 and a screw 72, the clamping block 71 is provided with a mounting hole, the jig plate 2 is provided with a screw hole 73, the screw 72 passes through the mounting hole and is connected to the screw hole 73, and the clamping block 71 is provided with a pressure strip.

[0045] Specifically, the screw rod 72 passes through the mounting hole and is connected to the screw hole 73 , and the end plate 3 is pressed against the fixture plate 2 through the pressure strip, thereby ensuring the stability of the positioning of the end plate 3 and improving the processing accuracy.

[0046] In one embodiment of the present invention, the pressure strip includes a first positioning protrusion 75 and a second positioning protrusion 74. The first positioning protrusion 75 and the second positioning protrusion 74 are respectively arranged at both ends of the pressing block 71. The height of the first positioning protrusion 75 is higher than the height of the second positioning protrusion 74.

[0047] Specifically, the first positioning protrusion 75 or the second positioning protrusion 74 is selected for compression according to the compression side of the end plate 3. The second positioning protrusion 74 is suitable for shallower end surface protrusions, and the first positioning protrusion 75 is suitable for higher end surface protrusions. It is convenient to switch the use status and has a wide range of applications.

[0048] In one embodiment of the present invention, a guide groove 76 matching the first positioning protrusion 75 is provided on the jig plate 2. When the screw 72 drives the second positioning protrusion 74 on the pressing block 71 to press, the first positioning protrusion 75 slides along the guide groove 76.

[0049] Specifically, during the pressing process of the second positioning protrusion 74, the first positioning protrusion 75 slides along the guide groove 76, guiding the movement of the pressing block 71, ensuring that the second positioning protrusion 74 presses the end plate 3 accurately, avoiding the situation where the pressing is unstable due to mis-pressing.

[0050] In one embodiment of the present invention, a limiting ring 77 is provided on the screw 72, and the limiting ring 77 and the head of the screw 72 are respectively provided at both ends of the clamping block 71, the diameter of the mounting hole is larger than the diameter of the screw 72, and the outer diameter of the limiting ring 77 is larger than the diameter of the mounting hole.

[0051] Specifically, the diameter of the mounting hole is larger than the diameter of the screw 72, the outer diameter of the limiting ring 77 is larger than the diameter of the mounting hole, and the distance between the limiting ring 77 and the head of the screw 72 is slightly larger than the thickness of the clamping block 71, so that the clamping block 71 can rotate on the screw 72, and the first positioning protrusion 75 or the second positioning protrusion 74 can be switched for clamping according to different specifications of the end plate 3. The structure is simple and easy to use.

[0052] In one embodiment of the present invention, the rotating mechanism 1 includes a rotating frame 11, a fixed frame 12 is provided on both sides of the rotating frame 11, a rotating platform 13 is provided on the fixed frame 12, the rotating platform 13 is connected to the mounting frame 14, the mounting frame 14 is connected to the jig plate 2, and the rotating platform 13 is driven and connected to the reduction motor 15.

[0053] Specifically, during the processing of the end plate 3, according to the processing requirements of the end plate 3, the reduction motor 15 drives the turntable 13 to rotate, thereby driving the fixture plate 2 connected to the turntable 13 to rotate, changing the posture of the end plate 3 for multi-angle processing. It has a wide range of applications, does not require repeated clamping, and has high processing efficiency.

[0054] Usage process

[0055] The end plate 3 is placed on the positioning station 6 formed by a plurality of reference blocks 4, and the end plate 3 is initially positioned by the reference blocks 4 on the three sides of the end plate 3. At the same time, positioning components 8 are provided on one side and the pressing side of the end plate 3. The edge of the end plate 3 moves downward along the guide slope 86 on the lock tongue 82, thereby squeezing the lock tongue 82 back into the vacuum chamber 84, and blowing air into the vacuum chamber 84 so that the lock tongue 82 is always pressed against the side of the end plate 3 until the bottom surface of the end plate 3 is completely fitted with the jig plate 2. The first positioning protrusion 75 or the second positioning protrusion 74 is selected for pressing according to the pressing side of the end plate 3. The second positioning protrusion 74 is suitable for shallow end face protrusions, and the first positioning protrusion 74 is suitable for shallow end face protrusions. When the locking cam 75 is in the state of being pressed, the locking cam 75 is in the state of being moved along the locking cam 76. When the locking cam 75 is in the state of being pressed, the cam 75 is in the state of being moved along the locking cam 76. When the locking cam 75 is in the state of being pressed, the cam 75 is in the state of being moved along the locking cam 76. When the locking cam 75 is in the state of being pressed, the cam 75 is in the state of being moved along the locking cam 76.

[0056] During the processing of the end plate 3, according to the processing requirements of the end plate 3, the reduction motor 15 drives the turntable 13 to rotate, thereby driving the fixture plate 2 connected to the turntable 13 to rotate, so as to change the posture of the end plate 3 for multi-angle processing. It has a wide range of applications, does not require repeated clamping, and has high processing efficiency.

[0057] The above-described embodiments are merely preferred embodiments for the purpose of fully illustrating the present invention, and the scope of protection of the present invention is not limited thereto. Equivalent substitutions or modifications made by those skilled in the art based on the present invention are within the scope of protection of the present invention. The scope of protection of the present invention shall be subject to the claims.

Claims

1. A new energy vehicle battery large end plate processing tool, characterized in that: include: A positioning jig includes a jig plate, wherein a plurality of reference blocks are provided on the jig plate. The plurality of reference blocks are arranged around the jig plate to form a positioning station, wherein the positioning station is used to perform multilateral reference positioning on the end plate; The pressing mechanism includes two pressing assemblies, which are respectively arranged on the pressing ends located on both sides of the positioning station, and the two pressing assemblies are used to press the two sides of the end plate on the positioning station; A clamping mechanism, comprising a plurality of clamping assemblies, wherein the plurality of clamping assemblies are arranged on a clamping end located on one side of the positioning station, and the plurality of clamping assemblies are used to clamp the clamping side of the end plate onto the positioning station; The pre-positioning mechanism includes a plurality of positioning components, each of which is arranged on the pressing end of the positioning station. The positioning component includes a positioning block, the positioning block is provided with a telescopic opening, the telescopic opening is provided with an elastic member, and the elastic member is pressed against the pressing side of the end plate; The rotating mechanism is connected to the jig plate for driving, and the rotating mechanism is used to drive the jig plate for rotation processing.

2. The tooling for processing the large end plate of a new energy vehicle battery according to claim 1, characterized in that: A vacuum chamber is provided on the positioning block, and the elastic member includes a piston block and a locking tongue. The piston block is slidably arranged in the vacuum chamber, and the locking tongue is passed through the telescopic opening. The width of the piston block is greater than the width of the telescopic opening, so that the piston block cannot be separated from the telescopic opening. An air hole is provided on the positioning block.

3. The tooling for processing the large end plate of a new energy vehicle battery as claimed in claim 2, characterized in that: A guiding inclined surface is provided on the lock tongue, and a clamping slot is provided in the middle of the lock tongue, and the clamping slot is in a trumpet-mouth structure.

4. The tooling for processing the large end plate of a new energy vehicle battery according to claim 1, characterized in that: The pressing assembly includes a support frame and a pressing rod. The support frame is arranged on the jig plate. The middle part of the pressing rod is hinged to the support frame. A pressing cylinder is arranged on the jig plate. The pressing cylinder is driven and connected to the pressing rod. A pressing block is arranged at the free end of the pressing rod. The pressing cylinder drives the pressing rod to rotate along the support frame, thereby driving the pressing block to press the end plate tightly on the positioning station.

5. The tooling for processing the large end plate of a new energy vehicle battery as claimed in claim 4, characterized in that: The pressing block comprises a body, a pressing groove is provided on the body, a pressing plate is provided on the pressing groove, the pressing plate is connected to the body via screws, and a pressing groove matching the end plate is provided on the pressing plate.

6. The tooling for processing the large end plate of a new energy vehicle battery according to claim 1, characterized in that: The clamping assembly includes a clamping block and a screw rod. The clamping block is provided with a mounting hole, the fixture plate is provided with a screw hole, the screw rod passes through the mounting hole and is connected to the screw hole, and the clamping block is provided with a pressure strip.

7. The new energy vehicle battery large end plate processing tool as claimed in claim 6, characterized in that: The pressure strip includes a first positioning protrusion and a second positioning protrusion, the first positioning protrusion and the second positioning protrusion are respectively arranged at two ends of the pressing block, and the height of the first positioning protrusion is higher than the height of the second positioning protrusion.

8. The tooling for processing the large end plate of a new energy vehicle battery as claimed in claim 7, characterized in that: The fixture plate is provided with a guide groove matching the first positioning protrusion. During the process of the screw driving the second positioning protrusion on the pressing block to press, the first positioning protrusion slides along the guide groove.

9. The tooling for processing the large end plate of a new energy vehicle battery according to claim 6, characterized in that: A limiting ring is provided on the screw, and the limiting ring and the head of the screw are respectively provided at both ends of the pressing block. The diameter of the mounting hole is larger than the diameter of the screw, and the outer diameter of the limiting ring is larger than the diameter of the mounting hole.

10. The tooling for processing the large end plate of a new energy vehicle battery according to claim 1, characterized in that: The rotating mechanism includes a rotating frame, fixed frames are provided on both sides of the rotating frame, a rotating platform is provided on the fixed frame, the rotating platform is connected to the mounting frame, the mounting frame is connected to the fixture plate, and the rotating platform is driven by a reduction motor.

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