Special machine tool for processing battery pole of new energy automobile

Abstract

The utility model relates to a special machine tool for processing a battery pole of a new energy automobile, and belongs to the technical field of high-efficiency and high-precision machine tools. The automatic machining device is structurally composed of an automatic feeding module, a machining unit and an automatic discharging module. Two parallel guide rails are arranged on a working platform of the machining unit, and a rough turning tool moving unit, a milling moving unit and a finish turning tool moving unit are sequentially connected to the guide rails from the feeding end and the discharging end in a sliding mode. The front end face of the working platform is provided with three rotating main shafts which are arranged in parallel, and the rotating main shafts are in transmission connection with a belt device through a main motor; and a rotary chuck and a milling cutter or a collet chuck are sequentially arranged on the rotary main shaft at the feeding end and the discharging end. The special machine tool is high in automation degree, full-automatic blank-to-finished product machining and full-automatic feeding and discharging are achieved, the machining efficiency can be greatly improved, the labor intensity is relieved, the occupied area is reduced, and the workpiece machining quality is improved.

Description

Technical Field

[0001] The utility model relates to a special machine tool for processing battery poles of new energy vehicles, belonging to the technical field of high-efficiency and high-precision machine tools. Background Art

[0002] The copper-aluminum composite pole is a structural connection part of the power lithium battery. It is used to convert the negative pole into copper-aluminum. When applied to electric vehicles, it can effectively improve the driving range. It is one of the important structural parts of the power lithium battery of new energy vehicles. With the vigorous development of the new energy vehicle industry, the demand for new energy vehicle parts processing equipment will also increase, and the manufacturing technology of various machine tools will continue to mature. Therefore, the equipment used to process key parts of new energy vehicles must also have high processing efficiency and low cost advantages. At the same time, the applicability requirements of the processing equipment must also be continuously improved to meet the needs of users for machining equipment for key parts of different new energy vehicles.

[0003] Most of the existing equipment uses ordinary CNC lathes plus single-machine truss automatic lines to complete the rough turning process of aluminum bars, then transfers to the punching process to complete the copper sheet stamping, and finally transfers to the Swiss machine plus single-machine truss to complete the aluminum bar and copper sheet finishing process. The existing processing equipment is basically based on standard machine tools plus single-machine truss automatic lines. Multiple equipment need to be repeatedly transferred, which seriously affects the processing efficiency; the workpiece is repeatedly clamped, which seriously affects the processing quality of the workpiece; multiple equipment also puts forward higher requirements for maintenance, and the number of workers is large. In addition, the processes of workpiece inspection, measurement, cleaning, and drying still require manual placement, which is labor-intensive. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a special machine tool for processing battery poles of new energy vehicles. The special machine tool has a high degree of automation, and can automatically process from blanks to finished products and automatically load and unload materials, which can greatly improve processing efficiency, reduce labor intensity, reduce floor space, and improve workpiece processing quality.

[0005] To solve the above problems, the specific technical solution of the utility model is as follows: a special machine tool for processing battery poles of new energy vehicles, characterized in that it is composed of an automatic loading module, a processing unit and an automatic unloading module arranged in sequence; two parallel guide rails are provided on the working platform of the processing unit, and the rough turning tool moving unit, the milling moving unit and the fine turning tool moving unit are slidably connected in sequence from the feeding end to the discharging end on the guide rails; a loading gripper and a rough turning tool are provided on the rough turning tool moving unit, a three-jaw vertical chuck is provided on the milling moving unit, and a unloading gripper and a fine turning tool are provided on the fine turning tool moving unit; three rotating spindles arranged in parallel are provided on the front end face of the working platform, and the rotating spindles are connected for transmission through a main motor and a belt device; a rotary chuck, a milling tool and a collet are provided in sequence on the rotating spindle from the feeding end to the discharging end.

[0006] The rough turning tool moving unit has the same structure as the fine turning tool moving unit, including an X-axis transmission base, an X-axis transmission device, a Z-axis transmission base and a Z-axis transmission device. The X-axis transmission device is connected to the X-axis transmission base to drive the X-axis transmission base to slide on the guide rail; the Z-axis transmission device is slidably connected to the upper surface of the X-axis transmission base, and the Z-axis transmission device is drivingly connected to the Z-axis transmission base; the rough turning tool moving unit is provided with a loading gripper and a rough turning tool, and the fine turning tool moving unit is provided with a unloading gripper and a fine turning tool, and the loading gripper, the rough turning tool, the unloading gripper and the fine turning tool are respectively arranged on the corresponding Z-axis transmission base.

[0007] The milling mobile unit comprises an X-axis transmission base, an X-axis transmission device, a Z-axis transmission base, a Z-axis transmission device, a Y-axis transmission base, and a Y-axis transmission device. The X-axis transmission device is connected to the X-axis transmission base and drives the X-axis transmission base to slide on the guide rail; the Z-axis transmission device is slidably connected to the upper surface of the X-axis transmission base, and the Z-axis transmission device is drivingly connected to the Z-axis transmission base; the Y-axis transmission base is slidably connected to the vertical surface of the Z-axis transmission base, and the Y-axis transmission device is drivingly connected to the Y-axis transmission base; a three-claw vertical chuck is provided on the Y-axis transmission base.

[0008] The automatic feeding module structure includes a vibration plate, a material channel, a workpiece gripper and a conveying device; the vibration plate is arranged on a workbench, and a support frame is connected to the material channel, and the entrance of the material channel is connected to the exit of the vibration plate; the conveying device includes a conveying cylinder and a feeding and turning cylinder, the cylinder seat of the conveying cylinder is connected to the outer side of the material channel, the piston rod end of the conveying cylinder is connected to the feeding and turning cylinder, the rotating part of the feeding and turning cylinder is connected to the pushing cylinder, and the piston of the pushing cylinder is connected to the workpiece gripper; the position of the workpiece gripper corresponds to the position of the feeding gripper.

[0009] The structure of the automatic unloading module is as follows: a Z-axis linear transmission device is provided on the support frame, an X-axis linear transmission device is connected to the Z-axis linear transmission device, a sliding rod is connected to the X-axis linear transmission device, a unloading and flipping cylinder is connected to the bottom of the sliding rod, the rotating part of the unloading and flipping cylinder is connected to the suction cup, and the position of the suction cup corresponds to the position of the unloading gripper; a tray for placing battery poles is provided on the outside of the support frame.

[0010] The support frame is also provided with a Z-axis unloading transmission device, which is located below the Z-axis linear transmission device; the large-opening air claw is connected to the Z-axis unloading transmission device through the Y-axis unloading transmission device; a loading bin trolley and a unloading bin trolley are arranged in parallel below the Z-axis unloading transmission device, and a number of pallets are vertically arranged on the loading bin trolley and the unloading bin trolley respectively.

[0011] The application adopts the special machine tool of the above structure, which has the following advantages:

[0012] 1. Integrating roughing, milling and finishing on one work platform greatly improves processing efficiency and saves the cost of expensive CNC machining centers with multiple tool changes;

[0013] 2. Through the setting of the loading and unloading grippers, the feeding and unloading can be smoothly connected, thus improving the automation degree of the overall equipment;

[0014] 3. The automatic unloading module can not only numerically control the drop point and load it into the pallet in sequence, but also has a large-opening air claw to automatically change the pallet, thereby improving the degree of automation of unloading;

[0015] 4. The pallets are set on the upper bin trolley and the lower bin trolley. The sensor equipment can be set to automatically control the driving route of the trolley to complete the tasks of feeding and taking empty pallets;

[0016] 5. The battery pole material is processed in multiple steps and integrated into one. The machine tool adopts a mechanical, electrical and hydraulic integrated structure. The overall layout is compact and reasonable, which is easy to repair and maintain. It has the characteristics of high efficiency, high precision and high rigidity. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structural diagram of the special machine tool for this application.

[0018] Figure 2 This is a three-dimensional diagram of the processing unit structure.

[0019] Figure 3 for Figure 2 A partial enlarged view of point I in the middle.

[0020] Figure 4 for Figure 2 A partial enlarged view of point II in the middle.

[0021] Figure 5 for Figure 2 A partial enlarged view of point III in the middle.

[0022] Figure 6 This is a three-dimensional diagram of the automatic feeding module structure.

[0023] Figure 7 This is the working status step diagram of the workpiece gripper.

[0024] Figure 8 This is a three-dimensional diagram of the automatic unloading module structure. DETAILED DESCRIPTION

[0025] like Figure 1 and Figure 2As shown, a special machine tool for processing battery poles of new energy vehicles is composed of an automatic loading module 100, a processing unit 200 and an automatic unloading module 300 arranged in sequence; two parallel guide rails 201 are arranged on the working platform of the processing unit 200, and a rough turning tool moving unit 500, a milling moving unit 600 and a fine turning tool moving unit 700 are slidably connected on the guide rails 201 from the feeding end to the discharging end in sequence; a loading gripper 1 and a rough turning tool 501 are arranged on the rough turning tool moving unit 500, a three-jaw vertical chuck 601 is arranged on the milling moving unit 600, and an unloading gripper 2 and a fine turning tool 701 are arranged on the fine turning tool moving unit 700; three parallel rotating spindles 202 are arranged on the front end surface of the working platform, and the rotating spindles are connected and driven by a main motor 203 and a belt device; a rotary chuck 212, a milling tool 211 and a collet 213 are arranged on the rotating spindle 202 from the feeding end to the discharging end in sequence. The moving range of the rough turning tool moving unit 500 is from the feeding end to the position corresponding to the rotary chuck 212, the moving range of the milling moving unit 600 is from the rotary chuck 212 to the position corresponding to the collet 213, and the moving range of the fine turning tool moving unit 700 is from the collet 213 to the position corresponding to the discharge end, thereby ensuring that the material can move within the overall processing unit 200, and perform rough processing, turning and fine processing in sequence.

[0026] like Figure 3 and Figure 5 As shown, the rough turning tool moving unit 500 has the same structure as the fine turning tool moving unit 700, including an X-axis transmission base 221, an X-axis transmission device 222, a Z-axis transmission base 223 and a Z-axis transmission device 224. The X-axis transmission device 222 is connected to the X-axis transmission base 221 to drive the X-axis transmission base 221 to slide on the guide rail 201; the Z-axis transmission device 224 is slidably connected to the upper surface of the X-axis transmission base 221, and the Z-axis transmission device 224 is drivingly connected to the Z-axis transmission base 223; the rough turning tool moving unit 500 is provided with a material gripper 1 and a rough turning tool 501, and the fine turning tool moving unit 700 is provided with a material unloading gripper 2 and a fine turning tool 701, and the material loading gripper (1), the rough turning tool (501), the material unloading gripper (2) and the fine turning tool (701) are respectively arranged on the corresponding Z-axis transmission base 223.

[0027] like Figure 4As shown, the milling mobile unit 600 includes an X-axis transmission base 221, an X-axis transmission device 222, a Z-axis transmission base 223, a Z-axis transmission device 224, a Y-axis transmission base 225, and a Y-axis transmission device 226. The X-axis transmission device 222 is connected to the X-axis transmission base 221 and drives the X-axis transmission base 221 to slide on the guide rail 201; the Z-axis transmission device 224 is slidably connected to the upper surface of the X-axis transmission base 221, and the Z-axis transmission device 224 is drivingly connected to the Z-axis transmission base 223; the Y-axis transmission base 225 is slidably connected to the vertical surface of the Z-axis transmission base 223, and the Y-axis transmission device 226 is drivingly connected to the Y-axis transmission base 225; a three-claw vertical chuck 601 is provided on the Y-axis transmission base 225.

[0028] like Figure 6 As shown, the structure of the automatic loading module 100 includes a vibration plate 101, a material channel 102, a workpiece gripper 103 and a conveying device; the vibration plate 101 is arranged on the workbench, and the support frame is connected to the material channel 102, and the entrance of the material channel 102 is connected to the exit of the vibration plate 101; the conveying device includes a conveying cylinder 104 and a loading and turning cylinder 105, the cylinder seat of the conveying cylinder 104 is connected to the outer side of the material channel 102, the piston rod end of the conveying cylinder 104 is connected to the loading and turning cylinder 105, the rotating part of the loading and turning cylinder 105 is connected to the pushing cylinder 106, and the piston of the pushing cylinder 106 is connected to the workpiece gripper 103; the position of the workpiece gripper 103 corresponds to the position of the loading gripper 400. As shown Figure 7 As shown, the initial position of the workpiece gripper 103 is horizontal and located at the exit of the material channel 102. The workpiece gripper 103 and the battery pole are engaged through an open groove. Then, driven by the rotating part of the loading and flipping cylinder 105, the workpiece gripper 103 rotates and makes the battery pole horizontal. Driven by the conveying cylinder 104, the loading gripper 1 grabs the end of the battery pole. Finally, the pushing cylinder 106 moves downward to disengage the workpiece gripper 103 from the battery pole, completing the feeding work of the loading gripper 1.

[0029] like Figure 8 As shown, the structure of the automatic unloading module 300 is: a Z-axis linear transmission device 301 is provided on the support frame, an X-axis linear transmission device 302 is connected to the Z-axis linear transmission device 301, a slide bar 303 is connected to the X-axis linear transmission device 302, a unloading and flipping cylinder 304 is connected to the bottom of the slide bar 303, the rotating part of the unloading and flipping cylinder 304 is connected to the suction cup 305, and the position of the suction cup 305 corresponds to the position of the unloading gripper 2; a tray 306 for placing battery poles is provided on the outside of the support frame.

[0030] The support frame is also provided with a Z-axis unloading transmission device 401, which is located below the Z-axis linear transmission device 301; the large-opening air claw 403 is connected to the Z-axis unloading transmission device 401 through the Y-axis unloading transmission device 402; a loading bin trolley 404 and a unloading bin trolley 405 are arranged in parallel below the Z-axis unloading transmission device 401, and a number of trays 306 are vertically arranged on the loading bin trolley 404 and the unloading bin trolley 405, respectively.

[0031] The above-mentioned transmission devices all adopt a connection method of a motor and a screw. When the screw rotates, it drives the slider and its connecting parts thereon to move along the axis direction of the screw, and at the same time a guide rail is used for guided movement. This connection structure is common knowledge among technicians in this field, and this application does not describe the specific connection structure of the transmission device.

[0032] The processing control method for processing the battery pole by the above-mentioned special machine tool comprises the following steps:

[0033] Step 1: The battery pole material is output from the output port of the automatic feeding module 100, grabbed by the feeding gripper 1, and enters the processing unit 200;

[0034] Step 2: The battery pole material moves in sequence along the rough turning tool moving unit 500, the milling moving unit 600 and the fine turning tool moving unit 700;

[0035] First, in the rough turning tool moving unit 500, the loading gripper 1 positions the battery pole material on the rotary chuck 212, and the rough turning tool 501 in the rough turning tool moving unit 500 performs rough processing on the battery pole material;

[0036] Secondly, the three-claw vertical chuck 601 is provided on the mobile milling moving unit 600 to clamp the battery pole material on the rotary chuck 212, and the milling tool 211 of the intermediate rotating spindle 202 is used to mill the battery pole material;

[0037] Then, the three-claw vertical chuck 601 is provided on the mobile milling moving unit 600 to send the battery pole material to the collet 213 on the rotating spindle 202 at the outlet end, and the battery pole material is finely processed by the fine turning tool 701 on the fine turning tool moving unit 700;

[0038] Finally, the battery pole material is grabbed by the unloading gripper 2;

[0039] Step 3: The unloading gripper 2 delivers the processed battery pole material into the automatic unloading module 300.

[0040] A processing control method for processing battery poles by a special machine tool. In the step three, the unloading gripper 2 docks the battery pole material with the suction cup 305 of the automatic unloading module 300, and the suction cup 305 is transmitted to the top of the tray 306 through the Z-axis linear transmission device 301 and the X-axis linear transmission device 302, and the battery pole material is flipped from horizontal to vertical through the unloading flip cylinder 304, and inserted into the corresponding position of the tray 306.

[0041] The trays 306 are respectively located on the upper bin trolley 404 and the lower bin trolley 405. The battery pole materials are inserted into the corresponding trays 306 on the upper part of the upper bin trolley 404. The trays 306 filled with battery pole materials are transferred to the lower bin trolley 405 through the large-opening air claws 403 of the Z-axis unloading transmission device 401. When the trays 306 accumulate to a certain height, the lower bin trolley 405 automatically moves the trays 306 filled with battery pole materials to the designated position, and the upper bin trolley 404 without empty trays 306 will also move automatically to request the setting of multiple empty trays 306.

Claims

1. A special machine tool for processing battery poles of new energy vehicles, characterized in that: The invention is composed of an automatic loading module (100), a processing unit (200) and an automatic unloading module (300) which are arranged in sequence; two parallel guide rails (201) are arranged on the working platform of the processing unit (200); a rough turning tool moving unit (500), a milling moving unit (600) and a fine turning tool moving unit (700) are slidably connected to the guide rails (201) from the feeding end to the discharging end in sequence; a loading gripper (1) and a rough turning tool (501) are arranged on the rough turning tool moving unit (500); ), a three-jaw vertical chuck (601) is provided on the milling moving unit (600), and a material unloading gripper (2) and a fine turning tool (701) are provided on the fine turning tool moving unit (700); three parallel rotating spindles (202) are provided on the front end surface of the working platform, and the rotating spindles are connected and driven by a main motor (203) and a belt device; and a rotary chuck (212), a milling tool (211) and a collet (213) are provided on the rotating spindles (202) from the feeding end to the discharging end in sequence.

2. The special machine tool for processing battery poles of new energy vehicles according to claim 1, characterized in that: The rough turning tool moving unit (500) has the same structure as the fine turning tool moving unit (700), comprising an X-direction transmission base (221), an X-axis transmission device (222), a Z-direction transmission base (223) and a Z-axis transmission device (224); the X-axis transmission device (222) is connected to the X-direction transmission base (221) to drive the X-direction transmission base (221) to slide on the guide rail (201); A Z-axis transmission device (224) is slidably connected to the upper surface of the X-axis transmission base (221), and the Z-axis transmission device (224) is drivingly connected to the Z-axis transmission base (223); a loading gripper (1) and a rough turning tool (501) are provided on the rough turning tool moving unit (500), and a unloading gripper (2) and a fine turning tool (701) are provided on the fine turning tool moving unit (700); the loading gripper (1), the rough turning tool (501), the unloading gripper (2) and the fine turning tool (701) are respectively arranged on the corresponding Z-axis transmission base (223).

3. The special machine tool for processing battery poles of new energy vehicles according to claim 1, characterized in that: The milling mobile unit (600) comprises an X-direction transmission base (221), an X-axis transmission device (222), a Z-direction transmission base (223), a Z-axis transmission device (224), a Y-direction transmission base (225), and a Y-axis transmission device (226); the X-axis transmission device (222) is connected to the X-direction transmission base (221) and drives the X-direction transmission base (221) to slide on the guide rail (201); A Z-axis transmission device (224) is slidably connected to the upper surface of the X-axis transmission base (221), and the Z-axis transmission device (224) is drivingly connected to the Z-axis transmission base (223); a Y-axis transmission base (225) is slidably connected to the vertical surface of the Z-axis transmission base (223), and the Y-axis transmission device (226) is drivingly connected to the Y-axis transmission base (225); and a three-claw vertical chuck (601) is provided on the Y-axis transmission base (225).

4. The special machine tool for processing battery poles of new energy vehicles according to claim 1, characterized in that: The automatic loading module (100) structure comprises a vibration plate (101), a material channel (102), a workpiece gripper (103) and a conveying device; the vibration plate (101) is arranged on a workbench, and a support frame is connected to the material channel (102); the inlet of the material channel (102) is connected to the outlet of the vibration plate (101); the conveying device comprises a conveying cylinder (104) and a loading and turning cylinder (105); the cylinder seat of the conveying cylinder (104) is connected to the outer side surface of the material channel (102); the piston rod end of the conveying cylinder (104) is connected to the loading and turning cylinder (105); the rotating part of the loading and turning cylinder (105) is connected to the pushing cylinder (106); the piston of the pushing cylinder (106) is connected to the workpiece gripper (103); the position of the workpiece gripper (103) corresponds to the position of the loading gripper (1).

5. The special machine tool for processing battery poles of new energy vehicles according to claim 1, characterized in that: The structure of the automatic unloading module (300) is as follows: a Z-axis linear transmission device (301) is provided on the support frame, an X-axis linear transmission device (302) is connected to the Z-axis linear transmission device (301), a slide bar (303) is connected to the X-axis linear transmission device (302), a unloading and flipping cylinder (304) is connected to the bottom of the slide bar (303), a suction cup (305) is connected to the rotating part of the unloading and flipping cylinder (304), and the position of the suction cup (305) corresponds to the position of the unloading gripper (2); and a tray (306) for placing battery poles is provided on the outside of the support frame.

6. The special machine tool for processing battery poles of new energy vehicles according to claim 5, characterized in that: The support frame is also provided with a Z-axis material unloading transmission device (401), and the Z-axis material unloading transmission device (401) is located below the Z-axis linear transmission device (301); the large-opening air claw (403) is connected to the Z-axis material unloading transmission device (401) via the Y-axis material unloading transmission device (402); a loading bin trolley (404) and a unloading bin trolley (405) are arranged in parallel below the Z-axis material unloading transmission device (401), and a plurality of trays (306) are vertically arranged on the loading bin trolley (404) and the unloading bin trolley (405), respectively.

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