Closed type air cylinder end cover machining device and machining method

Abstract

The invention relates to the technical field of air cylinder end cover manufacturing, and particularly discloses a closed air cylinder end cover machining device and method. Positioning the die holder; the driving assembly comprises a rotating piece and a first lifting piece, the first lifting piece can press the end cover on the positioning die holder, and the rotating piece can drive the end cover to rotate; the detection assembly comprises a telescopic swing arm and a transmission part, the transmission part can act on the telescopic swing arm, and the transmission part can drive the telescopic swing arm to deflect, so that the telescopic swing arm abuts against the inner wall of the end cover; the positioning and clamping assembly comprises an electric clamping jaw and a second lifting part, the second lifting part is installed on the machine table, the electric clamping jaw is arranged on the second lifting part, the second lifting part is in transmission connection with the telescopic swing arm, and when the end cover is not located at the correct machining position, the second lifting part drives the electric clamping jaw to adjust the position of the end cover. The end cover machining device has the effects that the machining position is adjusted in a self-adaptive mode, end cover machining deformation is prevented, and the overall end cover machining quality is improved.

Description

Technical Field

[0001] The present application relates to the technical field of manufacturing end covers of gas cylinders, and in particular to a closed gas cylinder end cover processing device and a processing method. Background Art

[0002] With the continuous development of industrial automation and high-precision manufacturing technology, gas cylinders, as important gas storage and transportation equipment, are widely used in hydraulic systems, pneumatic tools, industrial gas distribution and other fields. Especially in some high-tech fields, gas cylinders have higher requirements on safety, sealing and durability during operation. The end cap is one of the key components of the gas cylinder. Its shrinkage area not only plays a sealing role, but also directly affects the strength and service life of the whole machine structure.

[0003] At present, the traditional processing of the end cover of the gas cylinder mainly adopts the cold shrinkage forming process, and the edge shrinkage treatment of the aluminum alloy plate is carried out by special equipment, so that the aluminum alloy plate can be precisely formed without heating. In order to facilitate the positioning and close docking of the end cover and the gas tank body, the end cover needs to be finally processed by shrinking. The edge part of the end cover is pressed by a specific shrinking movable mold to shrink it to a predetermined size, so as to process a stepped structure at the shrinking part. For example, in the related technology, the Chinese patent application with the publication number CN116571652A realizes the support and limiting of the inner wall of the end cover of the gas cylinder through the shrinking device of the end cover of the gas cylinder, so that each position of the circumferential direction of the end cover of the gas cylinder is squeezed by the shrinking member at the same time, which can make the end cover of the gas cylinder be uniformly stressed in different directions, improve the compatibility of the end cover of the gas cylinder with different sizes, and at the same time, the shrinking member can provide support for the end cover of the gas cylinder to prevent the end cover of the gas cylinder from moving when the shrinking wheel is squeezed, causing irregular shrinking and affecting the shrinking quality.

[0004] However, during the end cap processing, it is very easy for the coaxiality between the end cap and the positioning die base to not be maintained when the end cap is placed on the positioning die base, resulting in the necking shape of the finished product deviating from the ideal circle and the stepped structure becoming skewed, thereby causing subsequent difficulties in assembling the air cylinder or loose assembly. Summary of the invention

[0005] The present application provides a closed gas cylinder end cap processing device and a shrinking method. The device can detect whether the processing position of the end cap is correct while processing the end cap, and can adaptively adjust the processing position so that the end cap is always in the correct processing position, thereby ensuring the accuracy of the end cap shrinking processing and improving the overall quality of the end cap processing.

[0006] In the first aspect, the present application provides a closed gas cylinder end cover processing device, which adopts the following technical solution: A closed gas storage cylinder end cover processing device, comprising: A machine tool, on which a positioning die base is arranged in a lifting manner; A driving assembly, the driving assembly includes a rotating member and a first lifting member, the first lifting member can press the end cover against the positioning die base, and the rotating member can drive the end cover to rotate with the positioning die base; A detection assembly, the detection assembly includes a telescopic swing arm and a transmission member, a rotating frame is fixedly arranged on the machine tool, the telescopic swing arm is rotatably arranged on the rotating frame, hydraulic oil is injected into the telescopic swing arm, one end of the telescopic swing arm is provided with an abutting portion, the transmission member is arranged on the machine tool, the transmission member can act on the telescopic swing arm, and the transmission member will drive the telescopic swing arm to deflect, so that the abutting portion abuts against the inner wall of the end cover; A positioning and clamping assembly, the positioning and clamping assembly includes an electric gripper and a second lifting member, the second lifting member is arranged on the machine tool in a lifting manner, the electric gripper is arranged on the second lifting member, the second lifting member is in transmission connection with the telescopic swing arm, when the end cover is pre-fixed on the positioning die base, the electric gripper will clamp the end cover, and when the end cover is not in the correct processing position, the telescopic swing arm will be compressed, so that the second lifting member drives the electric gripper to move downward, thereby adjusting the processing position of the end cover.

[0007] By adopting the above technical solutions, the end cover is pressed against the positioning die base by the first lifting member, and then the cooperation between the telescopic swing arm and the transmission member in the detection assembly is used to confirm whether the end cover is in the correct processing position and timely feedback to the positioning and clamping assembly. The positioning and clamping assembly automatically adjusts the processing position of the end cover on the positioning die base, ensuring that the end cover is always in the correct position during processing, avoiding processing errors caused by position deviation, not only effectively ensuring the coaxiality of the end cover during the processing process, significantly improving the processing accuracy and efficiency, but also avoiding the errors and inconsistencies of manual intervention, and ensuring the shape accuracy and stability of the end cover during the processing process.

[0008] Optionally, it further includes a necking-down assembly, the necking-down assembly includes a mounting frame, an outer peripheral shaping wheel, an inner peripheral shaping wheel, a first driving member and a second driving member, the mounting frame is slidably arranged on the machine tool, the mounting frame is located on one side of the positioning die base, a first mounting plate and a second mounting plate are respectively slidably arranged on the mounting frame, the first mounting plate is located above the second mounting plate, the outer peripheral shaping wheel is rotatably arranged on the first mounting plate, the inner peripheral shaping wheel is rotatably arranged on the second mounting plate, the first driving member can drive the first mounting plate to reciprocate horizontally, the second driving member can drive the second mounting plate to reciprocate vertically, and the inner peripheral shaping wheel and the outer peripheral shaping wheel can clamp the edge part of the opening end of the end cover, so that the opening end of the end cover is reduced to a predetermined size.

[0009] By adopting the above technical solution, the first driving member and the second driving member are respectively used to drive the first mounting plate and the second mounting plate on the mounting rack to reciprocally slide in the horizontal direction and the vertical direction, thereby driving the two shaping wheels, namely the outer peripheral shaping wheel and the inner peripheral shaping wheel, to act on the outer periphery and the inner peripheral edge of the end cover respectively, ensuring that the opening end of the end cover always maintains a uniform and symmetrical shape during the necking process and accurately shrinking to a predetermined size. Such a setting can not only flexibly adjust the clamping force of the outer peripheral and inner peripheral shaping wheels according to the sizes of different end covers, making the entire device have stronger adaptability, capable of processing end covers of various specifications, improving the versatility and flexibility of the device, but also ensure the necking accuracy of the end cover and avoid the common deviation problems in the traditional process.

[0010] Optionally, the transmission member includes a mounting seat, a first telescopic cylinder, a second telescopic cylinder and a limiting rod. The mounting seat is fixedly arranged on the machine table. The first telescopic cylinder is slidably penetrated through the mounting seat. The second telescopic cylinder is slidably arranged in the first telescopic cylinder. The first telescopic cylinder is respectively provided with a first helical groove and a first strip-shaped groove. The second telescopic cylinder is provided with a first helical groove and a first strip-shaped groove. One end of the limiting rod is slidably arranged in the first helical groove, and the other end of the limiting rod is slidably arranged in the second helical groove. The helix direction of the first helical groove is opposite to that of the second helical groove. A first limiting block is fixedly arranged at one end of the limiting rod close to the first telescopic cylinder, and a second limiting block is fixedly arranged at the other end of the limiting rod close to the second telescopic cylinder. A limiting ring groove is formed on the mounting seat. The first limiting block is slidably arranged in the limiting ring groove. A plurality of groups of limiting columns are fixedly arranged on the mounting seat, and the limiting columns are simultaneously slidably arranged in the first strip-shaped groove and the second strip-shaped groove. A transmission rod is fixedly arranged at one end of the second telescopic cylinder away from the first telescopic cylinder. A connecting portion is arranged on the transmission rod. One end of the connecting portion is rotatably connected to the transmission rod, and the other end of the connecting portion is rotatably connected to one end of the telescopic swing arm away from the abutting portion.

[0011] By adopting the above technical solution, through the arrangement of the first telescopic cylinder and the second telescopic cylinder, when the end cover is pressed against the positioning die base, it can simultaneously drive the abutting portion at one end of the telescopic swing arm to abut against the end cover, thereby realizing the detection of the processing position of the end cover.

[0012] Optionally, a sliding plate is slidably arranged on the machine table, the second lifting member is arranged on the sliding plate, the second lifting member is arranged as a hydraulic piston, a connecting plate is arranged on the telescopic end of the second lifting member, the electric gripper is fixedly arranged on the connecting plate, a liquid guide pipe is arranged on the telescopic swing arm, one end of the liquid guide pipe is communicated with the telescopic swing arm, and the other end of the liquid guide pipe is communicated with the second lifting member. When the telescopic swing arm is compressed, the hydraulic oil in the telescopic swing arm will be injected into the second lifting member through the liquid guide pipe, so that the second lifting member drives the electric gripper to move downward in the vertical direction, thereby realizing the adjustment of the processing position of the end cover.

[0013] By adopting the above technical solution, the second lifting member and the telescopic swing arm are connected together by hydraulic transmission through the liquid guide pipe, realizing that while detecting that the processing position of the end cover is offset, the second lifting member can drive the electric gripper to adjust the position of the end cover, ensuring that the end cover is always in the best processing position on the positioning die base; in addition, by arranging the second lifting member to be lifted and lowered on the machine table, the entire positioning and clamping assembly can be adjusted in the vertical height, with stronger adaptability, capable of processing end covers of various specifications, and improving the versatility and flexibility of the equipment.

[0014] Optionally, a limiting frame is fixedly arranged on the machine table, a limiting groove is opened on the limiting frame, a limiting portion is fixedly arranged on the sliding plate, the limiting portion is slidably connected with the limiting groove, a reset spring is arranged on the sliding plate, one end of the reset spring is fixedly connected with the sliding plate, and the other end of the reset spring is fixedly connected with the limiting frame.

[0015] By adopting the above technical solution, the sliding arrangement of the limiting frame and the sliding plate can effectively ensure the timeliness of the positioning and clamping assembly, that is, when the positioning and clamping assembly deals with end covers of different specifications, it can quickly realize clamping. The combined design of the limiting frame and the reset spring can ensure the quick reset of the sliding plate after the operation is completed.

[0016] Optionally, the detection assembly further includes a display member, the display member includes an elastic bladder and a piston tube, a placement groove is opened on the abutting portion, the elastic bladder is fixedly embedded in the placement groove, the piston tube is fixedly arranged on the machine table and is located on one side of the positioning die base, a display tube is coaxially arranged at one end of the piston tube, a connecting tube is arranged at the other end of the piston tube, a piston block is slidably arranged in the piston tube, the piston block divides the piston tube into two independent chambers, the two independent chambers are respectively provided with a first chamber and a second chamber, the display tube is communicated with the first chamber, one end of the connecting tube is communicated with the second chamber, and the other end of the connecting tube is communicated with the elastic bladder; the diameter of the display tube is much smaller than the diameter of the piston tube, and a sealing plug is slidably arranged in the display tube.

[0017] By adopting the above technical solution, the elastic bladder and the piston tube form a sensitive detection system. When the inner wall of the end cap comes into contact with the abutting part of the detection component, the elastic bladder will deform due to the pressure from the inner wall of the end cap. Thus, through the movement of the piston block within the piston tube, the change in the position of the end cap is reflected, enabling real-time monitoring of the position of the end cap in the positioning die base and promptly detecting whether there are problems such as position deviation or deformation of the end cap. In this way, throughout the entire processing process, the equipment can always maintain the accurate positioning of the end cap, thereby avoiding inaccurate necking or skewing of the stepped structure caused by incorrect end cap position. Additionally, by utilizing this automated monitoring and adjustment mechanism, the need for operator intervention in the equipment can be significantly reduced, minimizing the interference of human errors and improving the overall processing accuracy and efficiency.

[0018] Optionally, the rotating member includes a motor and a positioning plate. A support frame is fixedly provided on the machine table, and a lifting plate is arranged to be vertically movable on the support frame. The first lifting member is arranged on the support frame and is connected to the lifting plate. The motor is fixedly provided on the lifting plate, a connecting seat is fixedly provided on the output end of the motor, the positioning plate is arranged on the connecting seat, a thrust bearing is arranged between the positioning plate and the connecting seat, and a positioning groove adapted to the shape of the end cap is formed on the positioning plate.

[0019] By adopting the above technical solution, through the combined action of the motor and the positioning plate, when the end cap is fixed on the positioning die base, the motor can also drive the end cap to rotate, ensuring the stable rotation of the end cap during the processing and avoiding processing errors caused by uneven rotation of the end cap during processing. The structure of the positioning plate can perfectly match the shape of the end cap, ensuring that the end cap remains coaxial during rotation, thereby improving the processing accuracy and quality of the end cap.

[0020] Optionally, a first sliding member is arranged on the positioning plate. The first sliding member includes a first ball, a first sliding seat, and a first pressing spring. A first receiving groove is further formed on the inner wall of the positioning groove. The first ball is rotatably embedded on the first sliding seat, and both the first sliding seat and the first pressing spring are arranged in the first receiving groove. The first sliding seat is slidably connected to the first receiving groove. One end of the first pressing spring is fixedly connected to the first sliding seat, and the other end of the first pressing spring is fixedly connected to the inner wall of the first receiving groove.

[0021] By adopting the above technical solution, the first sliding member is provided to reduce the mutual force between the end cap and the positioning plate when the end cap is not fully fixed on the positioning die base, ensuring that the end cap can be adjusted in position under a certain external force, thereby cooperating with the detection component and the positioning and clamping component to achieve adaptive position adjustment of the end cap.

[0022] Optionally, a second sliding member is provided on the positioning die base. The second sliding member includes a second ball, a second sliding seat, and a second pressing spring. A second receiving groove is formed on the positioning die base. The second ball is rotatably embedded on the second sliding seat. The second sliding seat and the second pressing spring are both disposed in the second receiving groove. The second sliding seat is slidably connected to the second receiving groove. One end of the second pressing spring is fixedly connected to the second sliding seat, and the other end of the second pressing spring is fixedly connected to the inner wall of the second receiving groove.

[0023] By adopting the above technical solution, the purpose of setting the second sliding member is to reduce the mutual acting force between the end cover and the positioning die base when the end cover is not completely fixed on the positioning die base, and further ensure that the end cover can be position-adjusted under a certain external force, so as to cooperate with the detection component and the positioning and clamping component to realize the adaptive position adjustment of the end cover.

[0024] On the other hand, the present application provides a processing method applicable to a processing device for an end cover of a closed gas storage cylinder, including the following steps: S1. Place the end cover on the positioning die base, and the electric gripper clamps the opening end of the end cover; S2. Start the first lifting cylinder to push the lifting plate downward. The positioning plate presses the end cover on the positioning die base, and the positioning die base also slowly moves downward until the inner wall of the end cover is close to the positioning die base. At this time, the first ball and the second ball are just pressed down; S3. The downward movement of the positioning die base drives the first telescopic cylinder to slide downward on the mounting seat. The first telescopic cylinder drives the second telescopic cylinder to move in the opposite direction, so that the telescopic swing arm swings to one side, and the elastic bladder is gradually squeezed by the inner wall of the end cover until the abutting portion abuts tightly against the inner wall of the end cover; S3-1. If the position of the end cover on the positioning die base is offset, the squeezing degree of the elastic bladder at the offset position with the inner wall is different from that of the non-offset position, so that the telescopic swing arm is compressed, and the lifting member drives the electric gripper to move downward, thereby adjusting the position of the end cover on the positioning die base; S4. After the position adjustment is completed, the electric gripper releases the clamping of the end cover, and the second lifting cylinder drives the positioning die base to move upward until the positioning plate and the positioning die base completely fix the end cover; S5. The inner peripheral shaping wheel and the outer peripheral shaping wheel move to the opening end of the end cover and clamp the end cover wall. The rotating motor drives the end cover to rotate, and the inner peripheral shaping wheel and the outer peripheral shaping wheel perform necking processing on the end cover.

[0025] In summary, the present application includes at least one of the following beneficial technical effects: 1. Use the first lifting member to press the end cap onto the positioning die base, and then use the cooperation of the telescopic swing arm in the detection component and the transmission member to confirm whether the end cap is in the correct processing position, and timely feedback to the positioning clamping component. The positioning clamping component automatically adjusts the processing position of the end cap on the positioning die base, thereby forming a closed-loop feedback mechanism to ensure that the end cap is always in the correct position during processing, avoiding processing errors caused by position offset, which not only effectively ensures the coaxiality of the end cap during processing, significantly improves the processing accuracy and efficiency, but also avoids errors and inconsistencies caused by manual intervention, ensuring the shape accuracy and stability of the end cap during processing; 2. The elastic bag and the piston tube form a sensitive detection system. When the inner wall of the end cap contacts the abutment of the detection component, the elastic bag will be deformed due to the pressure of the inner wall of the end cap, so that the change of the position of the end cap can be fed back through the movement of the piston block in the piston tube. The position of the end cap in the positioning die base can be monitored in real time, and whether there is position offset or deformation of the end cap can be found in time. In this way, during the entire processing process, the equipment can always maintain the accurate positioning of the end cap, thereby avoiding inaccurate shrinkage or skewed step structure caused by incorrect position of the end cap; in addition, the use of this automated monitoring and adjustment mechanism can significantly reduce the need for operator intervention in the equipment, reduce the interference of human errors, and improve the overall processing accuracy and efficiency; 3. The second lifting member is connected to the telescopic swing arm through the hydraulic transmission of the liquid guide tube, so that when the end cover processing position is detected to be offset, the second lifting member can drive the electric clamp to adjust the position of the end cover to ensure that the end cover is always in the best processing position on the positioning mold base; in addition, the second lifting member is lifted and set on the machine table, so that the entire positioning and clamping assembly can be adjusted in vertical height, which has stronger adaptability and can process end covers of various specifications, thereby improving the versatility and flexibility of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the gas cylinder end cover processing device in the embodiment of the present application.

[0027] Figure 2 It is an overall schematic diagram of the gas cylinder end cover processing device in the embodiment of the present application.

[0028] Figure 3 It is a partial cross-sectional schematic diagram of the gas cylinder end cover processing device in the embodiment of the present application.

[0029] Figure 4 yes Figure 3 Enlarged schematic diagram of part A.

[0030] Figure 5 It is a schematic diagram of the overall structure of the display tube in the embodiment of the present application.

[0031] Figure 6 It is a schematic diagram of the overall structure of the transmission part in the embodiment of the present application.

[0032] Figure 7 It is a schematic diagram of the overall structure of the positioning and clamping assembly in the embodiment of the present application.

[0033] Figure 8 It is a schematic diagram of the overall structure of the necking-down assembly in the embodiment of the present application.

[0034] Reference numerals: 1, machine table; 11, positioning die base; 111, second receiving groove; 12, rotating frame; 13, limiting frame; 131, limiting groove; 14, support frame; 141, lifting plate; 15, second sliding member; 151, second ball; 152, second sliding seat; 153, second abutting spring; 16, third lifting member; 2, drive assembly; 21, rotating member; 211, motor; 212, positioning plate; 2121, positioning groove; 2122, first receiving groove; 22, first lifting member; 23, first sliding member; 231, first ball; 232, first sliding seat; 233, first abutting spring; 3, detection assembly; 31, telescopic swing arm; 311, abutting portion; 3111, placing groove; 32, transmission part; 321, mounting seat; 3211, limiting ring groove; 322, first telescopic cylinder; 3221, first spiral groove; 3222, first strip-shaped groove; 323, second telescopic cylinder; 3231, second spiral groove; 3232, second strip-shaped groove; 324, limiting rod; 325, first limiting block; 326, second limiting block; 327, limiting column; 328, transmission rod; 3281, connecting portion; 33, liquid guide pipe; 34, display member; 341, elastic bladder; 342, piston pipe; 3421, first chamber; 3422, second chamber; 343, display pipe; 344, connecting pipe; 345, piston block; 346, sealing plug; 4, positioning and clamping assembly; 41, electric gripper; 42, second lifting member; 421, connecting plate; 43, sliding plate; 431, limiting portion; 44, return spring; 5, necking-down assembly; 51, mounting frame; 52, outer peripheral shaping wheel; 53, inner peripheral shaping wheel; 54, first driving member; 541, first reduction motor; 542, first lead screw; 55, second driving member; 551, second reduction motor; 552, second lead screw; 511, first mounting plate; 512, second mounting plate; 56, driving push rod. Detailed implementation manners

[0035] The following will Figure 1-8 further describe the present application in detail with reference to the attached drawings.

[0036] An embodiment of the present application discloses a processing device for the end cover of a closed gas storage cylinder.

[0037] Referring to Figure 1 , the processing device for the end cover of a closed gas storage cylinder includes a machine table 1, a driving component 2, a detection component 3, a positioning and clamping component 4, and a necking component 5. The driving component 2, the detection component 3, the positioning and clamping component 4, and the necking component 5 are all installed on the machine table 1. The driving component 2 is located above the detection component 3, the positioning and clamping component 4 is located on one side of the detection component 3, and the necking component 5 is installed on the other side of the detection component 3.

[0038] The machine table 1 serves as the installation foundation for the entire end cover processing device; the driving component 2 is used to fix the end cover blank and drive the end cover blank to rotate on the machine table 1 for necking processing; the detection component 3 can detect whether the end cover is in the correct processing position on the machine table 1 when the end cover is being necked, and can also detect whether the end cover is deformed as a whole; the positioning and clamping component 4 can clamp and fix the end cover blank and can adjust the processing station of the end cover blank on the machine table 1 in real time according to the detection component 3; the necking component 5 can perform necking processing on the end cover blank to facilitate the subsequent assembly and welding of the gas storage cylinder.

[0039] Referring to Figure 2 and Figure 3 , in the embodiment of the present application, a positioning die base 11 is installed on the machine table 1 in a lifting manner. The positioning die base 11 is adapted to the shape of the end cover blank. When the end cover is being processed, the end cover is buckled on the positioning die base 11. A third lifting member 16 is fixedly provided on the machine table 1. The third lifting member 16 can be set as an electric push rod. The telescopic end of the third lifting member 16 is fixedly connected to the positioning die base 11. And for the convenience of processing the end cover blank, a thrust bearing is also installed between the positioning die base 11 and the telescopic end of the third lifting member 16. When the third lifting member 16 drives the positioning die base 11 to move up and down in the vertical direction, the positioning die base 11 can rotate freely on the third lifting member 16.

[0040] A second sliding member 15 is arranged on the positioning die base 11. The second sliding member 15 includes a second ball 151, a second sliding seat 152, and a second pressing spring 153. A second receiving groove 111 is formed on the positioning die base 11. The second ball 151 is rotatably embedded on the second sliding seat 152. The second sliding seat 152 and the second pressing spring 153 are both arranged in the second receiving groove 111. The second sliding seat 152 is slidably connected to the second receiving groove 111. One end of the second pressing spring 153 is fixedly connected to the second sliding seat 152, and the other end of the second pressing spring 153 is fixedly connected to the inner wall of the second receiving groove 111. Multiple groups of the second sliding members 15 are arranged on the positioning die base 11, and the multiple groups of the second sliding members 15 are evenly distributed on the positioning die base 11.

[0041] Of course, in other embodiments of the present application, the third lifting member 16 may also be provided with an active linear drive member such as a hydraulic cylinder.

[0042] Referring to Figure 2 and Figure 3 In the embodiment of the present application, the drive assembly 2 includes a rotating member 21, a first lifting member 22, and a first sliding member 23. The rotating member 21 includes a lifting plate 141, a motor 211, and a positioning plate 212. The first lifting member 22 may also be provided as an electric push rod. A "door"-shaped support frame 14 is fixedly provided on the machine table 1. The first lifting member 22 is fixedly provided on the support frame 14. A first slide rail is installed on the support frame 14. One end of the lifting plate 141 is slidably connected to the first slide rail. There are two sets of first slide rails, and the two sets of first slide rails are symmetrically arranged along the length direction of the support frame 14. The lifting plate 141 is slidably arranged on the support frame 14 through the two sets of first slide rails. The motor 211 is fixedly provided on the lifting plate 141. The positioning plate 212 is fixedly provided at the output end of the motor 211. A positioning groove 2121 adapted to the shape of the end cover is provided on the positioning plate 212.

[0043] The first sliding member 23 is arranged in the positioning groove 2121. The first sliding member 23 includes a first ball 231, a first sliding seat 232, and a first abutting spring 233. A first receiving groove 2122 is further provided on the inner wall of the positioning groove 2121. The first ball 231 is rotatably embedded on the first sliding seat 232. The first sliding seat 232 and the first abutting spring 233 are both arranged in the first receiving groove 2122. The first sliding seat 232 is slidably connected to the first receiving groove 2122. One end of the first abutting spring 233 is fixedly connected to the first sliding seat 232, and the other end of the first abutting spring 233 is fixedly connected to the inner wall of the first receiving groove 2122. There are multiple sets of the first sliding members 23 arranged in the positioning groove 2121 and evenly distributed in the positioning groove 2121.

[0044] Referring to Figure 3 , Figure 4 and Figure 5 In the embodiment of the present application, the detection assembly 3 includes a telescopic swing arm 31, a transmission member 32, and a display member 34. A liquid storage cavity is provided on the telescopic swing arm 31. The liquid storage cavity is filled with hydraulic oil. A first spring is further installed in the liquid storage cavity. The first spring causes the telescopic swing arm 31 to always be in an extended state under normal conditions. A rotating frame 12 is fixedly provided on the machine table 1. The two ends of the telescopic swing arm 31 are respectively provided as a telescopic end and a fixed end. A rotating shaft is provided at the fixed end of the telescopic swing arm 31. The telescopic swing arm 31 is rotatably arranged on the rotating frame 12 through the rotating shaft. An abutting portion 311 is provided at the telescopic end of the telescopic swing arm 31. A fillet is provided on the surface of the abutting portion 311 close to the inner wall of the end cover.

[0045] Referring to Figure 5, in the embodiment of the present application, the display member 34 includes an elastic bladder 341, a piston tube 342 and a second spring. A placement groove 3111 is formed on the surface of the abutting portion 311 with a rounded corner. The elastic bladder 341 is fixedly embedded in the placement groove 3111, and a part of the elastic bladder 341 protrudes outside the placement groove 3111. The piston tube 342 is fixedly arranged on the machine table 1, and the piston tube 342 is located on one side of the positioning die base 11. A piston block 345 is slidably arranged in the piston tube 342. The piston block 345 divides the piston tube 342 into two independent chambers, namely a first chamber 3421 and a second chamber 3422. One end of the piston tube 342 is coaxially provided with a display tube 343. The display tube 343 is made of a transparent material, and the diameter of the display tube 343 is much smaller than that of the piston tube 342. A sealing plug 346 is slidably arranged in the display tube 343; one end of the piston tube 342 away from the display tube 343 is provided with a connecting tube 344. The display tube 343 is communicated with the first chamber 3421, one end of the connecting tube 344 is communicated with the second chamber 3422, and the other end of the connecting tube 344 is communicated with the elastic bladder 341.

[0046] One end of the display tube 343 is communicated with the piston tube 342, the other end of the display tube 343 is set to be open, and an anti - detachment ring is arranged at the open end of the display tube 343.

[0047] Refer to Figure 4 、 Figure 5 and Figure 6 , in the embodiment of the present application, the transmission member 32 is arranged on the machine table 1. The transmission member 32 includes a mounting seat 321, a first telescopic cylinder 322, a second telescopic cylinder 323 and a limiting rod 324. The mounting seat 321 is fixedly arranged on the machine table 1. The mounting seat 321 is located on one side of the rotating frame 12. The first telescopic cylinder 322 slidably penetrates through the mounting seat 321. The second telescopic cylinder 323 is slidably arranged in the first telescopic cylinder 322. The first telescopic cylinder 322 is respectively provided with a first helical groove 3221 and a first strip - shaped groove 3222. The first helical groove 3221 and the first strip - shaped groove 3222 are circumferentially distributed on the first telescopic cylinder 322; the second telescopic cylinder 323 is provided with a first helical groove 3221 and a first strip - shaped groove 3222. The second helical groove 3231 and the second strip - shaped groove 3232 are also circumferentially distributed on the second telescopic cylinder 323.

[0048] It should be noted that the helix direction of the first helical groove 3221 is opposite to that of the second helical groove 3231, and the position of the first strip - shaped groove 3222 coincides with that of the second strip - shaped groove 3232.

[0049] One end of the limiting rod 324 is slidably arranged in the first spiral groove 3221, and the other end of the limiting rod 324 is slidably arranged in the second spiral groove 3231. A first limiting block 325 is fixedly arranged at one end of the limiting rod 324 close to the first telescopic cylinder 322, and a second limiting block 326 is fixedly arranged at one end of the limiting rod 324 close to the second telescopic cylinder 323. A limiting ring groove 3211 is formed in the mounting seat 321, and the first limiting block 325 is slidably arranged in the limiting ring groove 3211. A plurality of groups of limiting columns 327 are fixedly arranged on the mounting seat 321, and the limiting columns 327 are simultaneously slidably arranged in the first strip-shaped groove 3222 and the second strip-shaped groove 3232.

[0050] A transmission rod 328 is fixedly arranged at one end of the second telescopic cylinder 323 away from the first telescopic cylinder 322. A connecting portion 3281 is arranged on the transmission rod 328. One end of the connecting portion 3281 is rotatably connected to the transmission rod 328, and the other end of the connecting portion 3281 is rotatably connected to one end of the telescopic swing arm 31 away from the abutting portion 311.

[0051] In the embodiment of the present application, four groups of detection components 3 are provided, and the four groups of detection components 3 are distributed in a circular shape along the positioning die base 11.

[0052] Refer to Figure 7 In the embodiment of the present application, the positioning and clamping assembly 4 includes a sliding plate 43, a second lifting member 42 and an electric claw 41. A limiting frame 13 is fixedly arranged on one side of the machine table 1 away from the rotating frame 12. An installation groove is formed through the machine table 1. The sliding plate 43 is slidably arranged in the installation groove. A limiting groove 131 is formed in the limiting frame 13. A limiting portion 431 is fixedly arranged on the sliding plate 43. The limiting portion 431 is slidably connected to the limiting groove 131. The sliding plate 43 is slidably arranged on the limiting frame 13 through the limiting portion 431. A return spring 44 is arranged on the sliding plate 43. One end of the return spring 44 is fixedly connected to the sliding plate 43, and the other end of the return spring 44 is fixedly connected to the limiting frame 13.

[0053] The second lifting member 42 is fixedly arranged on the sliding plate 43. The second lifting member 42 can be set as a hydraulic piston. A connecting plate 421 is arranged on the telescopic end of the second lifting member 42. The electric claw 41 is fixedly arranged on the connecting plate 421. A liquid guide pipe 33 is arranged on the telescopic swing arm 31. One end of the liquid guide pipe 33 is communicated with the liquid storage cavity of the telescopic swing arm 31, and the other end of the liquid guide pipe 33 is communicated with the second lifting member 42.

[0054] The electric gripper 41 is arranged on the second lifting member 42, and an elastic cushion block is further arranged on the electric gripper 41. A position sensor is arranged on the machine table 1. When the blank end cover is pressed and moved downwards along with the positioning plate 212, the position sensor senses the blank end cover, and the electric gripper 41 clamps the end cover. The clamping position of the electric gripper 41 is directly below the position where the detection bag abuts against the end cover. When the end cover is pre-fixed on the positioning die base 11, the electric gripper 41 will clamp the end cover. When the end cover is not in the correct processing position, the telescopic swing arm 31 will be compressed, and the hydraulic oil in the telescopic swing arm 31 will be injected into the second lifting member 42 through the liquid guide pipe 33, so that the second lifting member 42 drives the electric gripper 41 to move downwards in the vertical direction, thereby realizing the adjustment of the processing position of the end cover.

[0055] In the embodiment of the present application, the number of the positioning and clamping assemblies 4 is in one-to-one correspondence with that of the detection assemblies 3. Therefore, there are also four groups of positioning and clamping assemblies 4, and they are symmetrically arranged with the positioning die base 11 as the center.

[0056] Refer to Figure 8 , the necking-down assembly 5 includes a mounting frame 51, an outer peripheral shaping wheel 52, an inner peripheral shaping wheel 53, a first driving member 54, a first mounting plate 511, a second driving member 55 and a second mounting plate 512. A second slide rail is fixedly arranged on the machine table 1, and a second slider is fixedly arranged on the mounting frame 51. The second slider is slidably connected with the second slide rail, and the mounting frame 51 is slidably arranged on the machine table 1 through the second slider. The mounting frame 51 is located on one side of the positioning die base 11. A driving push rod 56 is installed on the machine table 1. One end of the driving push rod 56 is fixedly connected with the mounting frame 51. The driving push rod 56 can be set as an electric push rod, and the driving push rod 56 can drive the mounting frame 51 to reciprocate and slide on the machine table 1.

[0057] The first driving member 54 includes a first reduction motor 541 and a first lead screw 542. Two groups of third slide rails are fixedly arranged on the mounting frame 51 in the horizontal direction. The first mounting plate 511 is slidably arranged on the mounting frame 51 through the third slide rails. The first reduction motor 541 is fixedly arranged on the mounting frame 51, the first lead screw 542 is rotatably installed on the mounting frame 51, the output end of the first reduction motor 541 is fixedly connected with one end of the first lead screw 542, a first sliding seat is fixedly arranged on the first mounting plate 511, the first sliding seat is in threaded connection with the first lead screw 542, and the outer peripheral shaping wheel 52 is rotatably arranged on the first mounting plate 511.

[0058] The second driving member 55 includes a second reduction motor 551 and a second lead screw 552. Two groups of fourth slide rails are fixedly arranged on the mounting frame 51 in the vertical direction. The second mounting plate 512 is slidably arranged on the mounting frame 51 through the fourth slide rails. The second reduction motor 551 is fixedly arranged on the mounting frame 51. The second lead screw 552 is rotatably mounted on the mounting frame 51. The output end of the second reduction motor 551 is fixedly connected to one end of the second lead screw 552. A second sliding seat is fixedly arranged on the second mounting plate 512. The second sliding seat is threadedly connected to the second lead screw 552. The inner circumferential shaping wheel 53 is rotatably arranged on the second mounting plate 512.

[0059] It should be noted that the first mounting plate 511 is located above the second mounting plate 512, and the first driving member 54 is also located above the second driving member 55. Through the linkage control of the driving push rod 56, the first driving member 54 and the second driving member 55, the inner circumferential shaping wheel 53 and the outer circumferential shaping wheel 52 can clamp the edge part of the open end of the end cover, so that the open end of the end cover is reduced to a predetermined size.

[0060] A controller is also arranged on the machine table 1. The controller is electrically connected to all electrical components in the entire end cover processing device.

[0061] The implementation principle of the end cover processing device for the closed gas storage cylinder in the embodiment of the present application is as follows: The end cover blank is buckled on the positioning die base 11. The first lifting member 22 drives the lifting plate 141 to slide downward, so that the positioning plate 212 presses on the end cover blank. Subsequently, the first lifting member will continue to move downward, and the third lifting member 16 cooperates with the movement of the first lifting member 22. At this time, the first balls 231 are just respectively pressed into the first receiving grooves 2122, and the second balls 151 are also just respectively pressed into the second receiving grooves 111, and the electric clamp clamps the end cover; The first telescopic cylinder 322 moves downward on the mounting seat 321 as the positioning die base 11 moves downward. Since a limiting rod 324 is arranged between the first telescopic cylinder 322 and the second telescopic cylinder 323, and the spiral direction of the first spiral groove 3221 is opposite to the spiral direction of the second spiral groove 3231, and at the same time, the limiting column 327 on the mounting seat 321 is slidably arranged in the first strip-shaped groove 3222 and the second strip-shaped groove 3232. When the first telescopic cylinder 322 moves, the second telescopic cylinder 323 will also move upward accordingly, thereby driving the fixed end of the telescopic swing arm 31 to deflect towards one side of the positioning die base 11, and the elastic capsule 341 and the abutting portion 311 abut against the inner wall of the end cover accordingly; It should be noted here that since a part of the elastic bladder 341 protrudes from the abutting portion 311, the elastic bladder 341 abuts against the inner wall of the end cap first. As the telescopic swing arm 31 swings, the elastic bladder 341 is gradually squeezed until the abutting portion 311 abuts against the inner wall, and along with the end cap being continuously pressed tightly on the positioning die base 11. Since the abutting portion 311 does not have the same deformation ability as the elastic bladder 341, the telescopic swing arm 31 will be compressed. At this time, if the machining position of the end cap on the positioning die base 11 is incorrect, the compression amounts of the four groups of telescopic swing arms 31 set correspondingly will be different.

[0062] Referring to Figure 7 , if the machining position of the end cap on the positioning die base 11 is incorrect, that is, the end cap is placed crooked on the positioning die base 11, and the coaxiality between the end cap and the positioning die base 11 deviates. When the end cap tilts and offsets to the right, the detection bag on the right side will abut against the inner wall of the end cap later than the normal position. On the contrary, the detection bag on the left side will abut against the inner wall of the end cap earlier than the normal position. Therefore, at this time, when the telescopic swing arm 31 on the left side has been compressed and the one on the right side has not been compressed yet, the electric gripper 41 on the right side will drive the second telescopic member to move downward, thereby adjusting and aligning the end cap.

[0063] At the same time, the display tube 343 provided on the piston tube 342 will display the changes of the end cap on the positioning die base 11 in real time. When the four groups of elastic bladders 341 abut against the inner walls on the same horizontal plane of the end cap, due to the end cap being a rotary body structure in the embodiment of the present application, the compression amounts of the four groups of elastic bladders 341 should be the same, that is, the sliding positions of the sealing plugs 346 on the display tubes 343 are the same. When the display positions of the four groups of display tubes 343 are all different, it means that the end cap is tilted in two directions; when there are two different display positions among the four groups of display tubes 343 and the other two are the same, it means that the end cap is tilted in one direction; when the four groups of display tubes 343 show two pairs of the same display positions but not all four are exactly the same, it means that the end cap itself is deformed.

[0064] After the position of the end cap is adjusted, the second lifting member 42 drives the end cap to move upward, so that the positioning and clamping assembly 4 and the detection assembly 3 release the limit on the end cap, and then the inner peripheral shaping wheel 53 and the outer peripheral shaping wheel 52 clamp the edge part of the opening end of the end cap to perform necking processing on the end cap.

[0065] On the other hand, the embodiment of the present application also discloses a processing method of a processing device for a closed gas storage cylinder end cap, and the method includes the following steps: S1. Place the end cap on the positioning die base 11, and the electric gripper 41 clamps the opening end of the end cap; S2. Start the first lifting cylinder to push the lifting plate 141 downward. The positioning plate 212 presses the end cover against the positioning die base 11, and the positioning die base 11 also moves downward slowly until the inner wall of the end cover is close to the positioning die base 11. At this time, the first ball 231 and the second ball 151 are just pressed down; S3. The downward movement of the positioning die base 11 drives the first telescopic cylinder 322 to slide downward on the mounting seat 321. The first telescopic cylinder 322 drives the second telescopic cylinder 323 to move in the opposite direction, so that the telescopic swing arm 31 swings to one side, and the elastic bladder 341 is gradually squeezed by the inner wall of the end cover until the abutting portion 311 abuts tightly against the inner wall of the end cover; S3-1. If the position of the end cover on the positioning die base 11 is offset, the extrusion degree of the elastic bladder 341 at the offset position with the inner wall is different from that without offset, so that the telescopic swing arm 31 is compressed, and the lifting member drives the electric gripper 41 to move downward, thereby adjusting the position of the end cover on the positioning die base 11; S4. After the position adjustment is completed, the electric gripper 41 releases the clamping of the end cover, and the second lifting cylinder drives the positioning die base 11 to move upward until the positioning plate 212 and the positioning die base 11 completely fix the end cover; S5. The inner peripheral shaping wheel 53 and the outer peripheral shaping wheel 52 move to the open end of the end cover and clamp the end cover wall. The rotation motor 211 drives the end cover to rotate, and the inner peripheral shaping wheel 53 and the outer peripheral shaping wheel 52 perform necking processing on the end cover.

[0066] The above are all the preferred embodiments of this application. The protection scope of this application is not limited by this. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A processing device for the end cover of a closed air storage cylinder, characterized in that, include: A machine platform, wherein a positioning mold base is provided on the machine platform for lifting; A driving assembly, the driving assembly comprising a rotating member and a first lifting member, the first lifting member can press the end cover onto the positioning die base, and the rotating member can drive the end cover and the positioning die base to rotate; A detection component, the detection component includes a telescopic swing arm and a transmission member, a rotating frame is fixedly provided on the machine platform, the telescopic swing arm is rotatably arranged on the rotating frame, hydraulic oil is injected into the telescopic swing arm, an abutment portion is arranged at one end of the telescopic swing arm, the transmission member is arranged on the machine platform, the transmission member can act on the telescopic swing arm, and the transmission member will drive the telescopic swing arm to deflect, so that the abutment portion abuts against the inner wall of the end cover; The positioning and clamping assembly includes an electric clamp and a second lifting member, the second lifting member is lifted and lowered on the machine platform, the electric clamp is set on the second lifting member, the second lifting member is transmission-connected to the telescopic swing arm, when the end cover is pre-fixed on the positioning mold base, the electric clamp will clamp the end cover, when the end cover is not in the correct processing position, the telescopic swing arm will be compressed, so that the second lifting member drives the electric clamp to move downward, thereby adjusting the processing position of the end cover.

2. The processing device for the end cover of a closed gas storage cylinder according to claim 1, wherein: It also includes a shrinking component, which includes a mounting frame, an outer circumference shaping wheel, an inner circumference shaping wheel, a first driving member and a second driving member. The mounting frame is slidably arranged on the machine platform, and the mounting frame is located on one side of the positioning mold base. The mounting frame is slidably provided with a first mounting plate and a second mounting plate, respectively, and the first mounting plate is located above the second mounting plate. The outer circumference shaping wheel is rotatably arranged on the first mounting plate, and the inner circumference shaping wheel is rotatably arranged on the second mounting plate. The first driving member can drive the first mounting plate to slide back and forth in the horizontal direction, and the second driving member can drive the second mounting plate to slide back and forth in the vertical direction. The inner circumference shaping wheel and the outer circumference shaping wheel can clamp the edge portion of the opening end of the end cover, thereby reducing the opening end of the end cover to a predetermined size.

3. The processing device for the end cover of a closed gas storage cylinder according to claim 1, characterized in that: The transmission member comprises a mounting seat, a first telescopic cylinder, a second telescopic cylinder and a limit rod, the mounting seat is fixed on the machine platform, the first telescopic cylinder is slidably inserted into the mounting seat, the second telescopic cylinder is slidably arranged in the first telescopic cylinder, the first telescopic cylinder is respectively provided with a first spiral groove and a first strip groove, the second telescopic cylinder is provided with a second spiral groove and a second strip groove, one end of the limit rod is slidably arranged in the first spiral groove, the other end of the limit rod is slidably arranged in the second spiral groove, and the rotation direction of the first spiral groove is opposite to that of the second spiral groove; One end of the limiting rod close to the first telescopic cylinder is fixedly provided with a first limiting block, and one end of the limiting rod close to the second telescopic cylinder is fixedly provided with a second limiting block. A limiting ring groove is formed in the mounting seat. The first limiting block is slidably arranged in the limiting ring groove. A plurality of groups of limiting columns are fixedly arranged on the mounting seat, and the limiting columns are simultaneously slidably arranged in the first strip-shaped groove and the second strip-shaped groove. One end of the second telescopic cylinder away from the first telescopic cylinder is fixedly provided with a transmission rod. A connecting portion is arranged on the transmission rod. One end of the connecting portion is rotatably connected to the transmission rod, and the other end of the connecting portion is rotatably connected to one end of the telescopic swing arm away from the abutting portion.

4. A processing device for the end cover of a closed air storage cylinder according to claim 1, characterized in that: A sliding plate is slidably arranged on the machine table. The second lifting member is arranged on the sliding plate. The second lifting member is a hydraulic piston. A connecting plate is arranged on the telescopic end of the second lifting member. The electric gripper is fixedly arranged on the connecting plate. A liquid guide pipe is arranged on the telescopic swing arm. One end of the liquid guide pipe is communicated with the telescopic swing arm, and the other end of the liquid guide pipe is communicated with the second lifting member. When the telescopic swing arm is compressed, the hydraulic oil in the telescopic swing arm will be injected into the second lifting member through the liquid guide pipe, so that the second lifting member drives the electric gripper to move downward in the vertical direction, thereby realizing the adjustment of the processing position of the end cover.

5. The processing device for the end cover of a closed air storage cylinder according to claim 4, wherein: A limiting frame is fixedly arranged on the machine table. A limiting groove is formed in the limiting frame. A limiting portion is fixedly arranged on the sliding plate. The limiting portion is slidably connected with the limiting groove. A reset spring is arranged on the sliding plate. One end of the reset spring is fixedly connected with the sliding plate, and the other end of the reset spring is fixedly connected with the limiting frame.

6. The processing device for the end cover of a closed gas storage cylinder according to claim 1, characterized in that: The detection assembly further includes a display member. The display member includes an elastic capsule and a piston tube. A placement groove is formed in the abutting portion. The elastic capsule is fixedly embedded in the placement groove. The piston tube is fixedly arranged on the machine table and is located on one side of the positioning die base. A display tube is coaxially arranged at one end of the piston tube, and a connecting tube is arranged at the other end of the piston tube. A piston block is slidably arranged in the piston tube. The piston block divides the piston tube into two independent chambers, namely a first chamber and a second chamber. The display tube is communicated with the first chamber, one end of the connecting tube is communicated with the second chamber, and the other end of the connecting tube is communicated with the elastic capsule. The diameter of the display tube is much smaller than that of the piston tube. A sealing plug is slidably arranged in the display tube.

7. A processing device for the end cover of a closed air storage cylinder according to claim 2, characterized in that: The rotating member includes a motor and a positioning plate. A support frame is fixedly arranged on the machine table. A lifting plate is arranged on the support frame in a lifting manner. The first lifting member is arranged on the support frame and is connected with the lifting plate. The motor is fixedly arranged on the lifting plate. A connecting seat is fixedly arranged on the output end of the motor. The positioning plate is arranged on the connecting seat. An end face bearing is arranged between the positioning plate and the connecting seat. A positioning groove adapted to the shape of the end cover is formed in the positioning plate.

8. A processing device for the end cover of a closed air storage cylinder according to claim 7, characterized in that: A first sliding member is provided on the positioning plate. The first sliding member includes a first ball, a first sliding seat, and a first pressing spring. A first receiving groove is further formed on the inner wall of the positioning groove. The first ball is rotatably embedded on the first sliding seat. The first sliding seat and the first pressing spring are both arranged in the first receiving groove. The first sliding seat is slidably connected to the first receiving groove. One end of the first pressing spring is fixedly connected to the first sliding seat, and the other end of the first pressing spring is fixedly connected to the inner wall of the first receiving groove.

9. The processing device for the end cover of a closed gas storage cylinder according to claim 1, wherein: A second sliding member is provided on the positioning die base. The second sliding member includes a second ball, a second sliding seat, and a second pressing spring. A second receiving groove is formed on the positioning die base. The second ball is rotatably embedded on the second sliding seat. The second sliding seat and the second pressing spring are both arranged in the second receiving groove. The second sliding seat is slidably connected to the second receiving groove. One end of the second pressing spring is fixedly connected to the second sliding seat, and the other end of the second pressing spring is fixedly connected to the inner wall of the second receiving groove.

10. A processing method applicable to a processing device for an end cover of a closed gas storage cylinder described in any one of claims 8, characterized in that, It includes the following steps: S1. Place the end cover on the positioning die base, and the electric gripper clamps the open end of the end cover. S2. Start the first lifting cylinder to push the lifting plate downward. The positioning plate presses the end cover on the positioning die base, and the positioning die base also slowly moves downward until the inner wall of the end cover is close to the positioning die base. At this time, the first ball and the second ball are just pressed down. S3. The downward movement of the positioning die base drives the first telescopic cylinder to slide downward on the mounting seat. The first telescopic cylinder drives the second telescopic cylinder to move in the opposite direction, so that the telescopic swing arm swings to one side, and the elastic capsule is gradually squeezed by the inner wall of the end cover until the abutting portion abuts tightly against the inner wall of the end cover. S3-1. If the position of the end cover on the positioning die base is offset, the squeezing degree of the elastic capsule on the inner wall at the offset position is different from that at the non-offset position, so that the telescopic swing arm is compressed, and the lifting member drives the electric gripper to move downward, thereby adjusting the position of the end cover on the positioning die base. S4. After the position adjustment is completed, the electric gripper releases the clamping of the end cover, and the second lifting cylinder drives the positioning die base to move upward until the positioning plate and the positioning die base completely fix the end cover. S5. The inner peripheral shaping wheel and the outer peripheral shaping wheel move to the open end of the end cover and clamp the end cover wall. The rotating motor drives the end cover to rotate, and the inner peripheral shaping wheel and the outer peripheral shaping wheel perform necking processing on the end cover.

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