Cylindrical capacitor shell forming device and forming process

Abstract

The invention relates to the technical field of capacitor shell production, and discloses a cylindrical capacitor shell forming device and a forming technology.The cylindrical capacitor shell forming device comprises a workbench, a male die is arranged at the top of a fixing frame, the output end of an electric push rod penetrates through a bearing frame and is fixedly connected with a female die, and the top end of the female die is fixedly connected with an oil storage box; according to the cylindrical capacitor shell forming device, when extrusion forming work is carried out, the extrusion plate drives the oil conveying pipes to stretch into the oil storage box, and at the moment, lubricating oil in the oil storage box can flow to the inner wall of the female die through the oil conveying pipes; the friction force between the female die and the metal plate is reduced, and meanwhile, due to the fact that the operation of adding lubricating oil is completed in the extrusion process, the problem that floating and sinking particles are prone to being attached to the capacitor shell can be avoided, and protectiveness of the device to the capacitor shell is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of capacitor shell production, and in particular to a cylindrical capacitor shell forming device and a forming process. Background Art

[0002] Capacitors, also known as capacitors, are one of the three basic passive devices in electronics. They are electronic components that can store charge and electrical energy. They are usually composed of two conductors that are insulated from each other and very close to each other, with a dielectric filled in between. The main function of a capacitor is to store and release charge, and store electrical energy in the form of electric field energy. When using a capacitor, in order to protect the capacitor, an insulating shell is generally added to the outside of the capacitor. The shell of the capacitor is an important component of the capacitor, mainly used to protect the internal structure and dielectric of the capacitor and ensure its normal operation; When manufacturing the capacitor housing, an extrusion tool is generally used. The tool is generally composed of a concave mold and a convex mold. When the capacitor housing is extruded, a metal blank is placed on the convex mold, and then pressure is applied to the metal blank through the concave mold. At this time, the concave mold and the concave mold cooperate to make the metal blank plastically deformed, thereby making the capacitor housing; When the capacitor shell is extruded, due to the large friction between the inner wall of the die and the capacitor shell during the extrusion process, and since the capacitor shell is generally made of soft metals such as aluminum, the friction between the die and the capacitor shell during extrusion molding can easily cause damage to the capacitor shell. The general solution is to add lubricating oil to the metal blank to reduce the friction between the metal blank and the die. However, traditional devices generally add an extra step of adding lubricating oil, which not only reduces work efficiency, but also exposes the metal blank to the air after adding lubricating oil, which can easily cause floating dust and particles in the air to adhere to the metal blank coated with lubricating oil. At this time, when extrusion molding is performed, harder particles are easily squeezed, resulting in friction with the capacitor shell, causing a certain degree of damage to the capacitor shell. For this reason, we propose a cylindrical capacitor shell molding device and molding process. Summary of the invention

[0003] The object of the present invention is to provide a cylindrical capacitor housing forming device and forming process to solve the problems raised in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions: a cylindrical capacitor shell forming device, comprising a workbench, a load-bearing frame is fixedly connected to the top of the workbench, an electric push rod is installed on the top of the load-bearing frame, a liquid storage box is fixedly engaged on the workbench, and a fixing frame is fixedly connected to the inner bottom wall of the liquid storage box, and a convex mold is provided on the top of the fixing frame; The output end of the electric push rod passes through the load-bearing frame and is fixedly connected to a concave mold, the top end of the concave mold is fixedly connected to an oil storage box, an extrusion plate is slidably connected inside the concave mold, and a first spring is fixedly connected between the top end of the extrusion plate and the inner top wall of the concave mold, a plurality of fixedly connected oil pipes are embedded in the edge of the extrusion plate, the top end of the oil pipes passes through the concave mold and extends into the oil storage box, a plurality of oil filling holes are provided on the outer wall of the oil pipe, and an oil discharge hole connected to the plurality of oil filling holes is provided at the bottom end of the oil pipe.

[0005] Preferably, the bottom of the load-bearing frame is provided with storage grooves corresponding to the number and positions of the oil pipelines, and the load-bearing frame is provided with mounting holes.

[0006] Preferably, a plurality of storage rods corresponding to the number and position of the oil pipelines are fixedly connected to the top of the oil storage box, and the bottom ends of the storage rods are connected to the oil storage box, and the tops of the storage rods are slidably connected to the storage grooves at the corresponding positions.

[0007] Preferably, a mounting ring is provided between the liquid storage box and the top of the fixing frame, a sponge ring is embedded in the inner wall of the mounting ring, a plurality of cotton strips are fixedly connected to the bottom of the mounting ring, and the top ends of the cotton strips are in fixed contact with the sponge ring, a screw rod is rotatably connected to one side of the top of the workbench, and a fixing rod is fixedly connected to the side of the workbench close to the screw rod, a connecting frame is fixedly connected to the side of the top of the mounting ring close to the screw rod, the connecting frame and the screw rod are threadedly connected, and the connecting frame and the fixing rod are slidably connected.

[0008] Preferably, the inner wall of the mounting hole is rotatably connected to a pulley A, and one side of the pulley A is fixedly connected to a rotating gear, the bottom of the workbench is fixedly connected to a mounting box, one side of the mounting box is rotatably connected to a pulley B, a transmission belt is provided between the pulley B and the pulley A, the inner wall of the mounting box close to the pulley B is rotatably connected to a bevel gear A, and the bevel gear A is fixedly docked with the pulley B, the inner top wall of the mounting box is rotatably connected to a bevel gear B meshing with the bevel gear A, and the top rotating shaft of the bevel gear B is fixedly docked with the bottom end of the screw rod.

[0009] Preferably, the top of the workbench and the top of the fixed frame are both fixedly connected with a slide rail, and a breakpoint equal to the width of the mounting ring is provided on the slide rail.

[0010] Preferably, a load-bearing seat is slidably connected to the slide rail, and the top of the load-bearing seat is rotatably connected to a transmission gear, and the bottom end of the male mold is fixedly connected to the top of the transmission gear, and the workbench is symmetrically fixedly connected to two vertical rods, and the top ends of the two vertical rods are slidably connected to a positioning block, and a second spring is arranged between the positioning block and the vertical rod, and the outer wall of the female mold is symmetrically fixedly connected to a lower pressure plate, and one side of the positioning block is fixedly connected to a protruding shaft used in conjunction with the lower pressure plate, and the lower parts of the two vertical rods are jointly slidably connected to a special-shaped frame, and one side of the two vertical rods is fixedly connected to a connecting box through an L-shaped rod, and an elastic wedge block is slidably connected in the connecting box. One side of the special-shaped frame is symmetrically fixed with one end of a sliding rod, and the other end of the sliding rod slides through the connecting box and is fixedly connected to the elastic wedge block. One side of the positioning block is provided with a slot used in conjunction with the elastic wedge block, one side of the special-shaped frame is fixedly connected with a guide box, and a contact block used in conjunction with the load-bearing seat is slidably connected in the guide box. A third spring is provided between the contact block and the guide box, a guide rail is fixedly connected to the guide box, and an elastic telescopic rod is slidably connected in the guide rail, and a fourth spring is provided between the outer wall of the elastic telescopic rod and the guide rail. A guide groove is provided on the guide box, and the telescopic end of the elastic telescopic rod passes through the guide groove and is fixedly connected with a wedge plate used in conjunction with the contact block.

[0011] Preferably, a mounting bracket is fixedly connected to one side of the top of the workbench close to the slide rail, a rack B is fixedly connected to the top of the mounting bracket, and the rack B is meshed with the transmission gear, a mounting plate is fixedly connected to the top of the rack B, and a sponge pad is provided on one side of the mounting plate close to the slide rail.

[0012] Preferably, a limiting rod is fixedly connected to one side of the female mold close to the mounting hole, and the limiting rod is located in the mounting hole. A rack A meshing with the rotating gear is fixedly connected to the limiting rod.

[0013] A forming process of a cylindrical capacitor housing forming device specifically comprises the following steps: S1: First, add alcohol to the liquid storage box. At this time, the cotton strip is immersed in the alcohol and can absorb the alcohol and transport it to the sponge ring. The alcohol is stored by using the characteristics of the sponge. Then, fill the oil storage box with lubricating oil. Then, place the metal plate used to make the capacitor housing on the male mold. Then, start the electric push rod to drive the female mold to move downward. During the descent of the female mold, it uses the rack A to drive the rotating gear to rotate. At this time, the rotating gear drives the pulley A to rotate. At this time, the pulley A drives the pulley B to rotate synchronously through the transmission belt. At this time, the pulley B drives the screw to rotate through the cooperation of the bevel gear A and the bevel gear B. During the rotation of the screw, the mounting ring can be driven to descend synchronously. At this time, the metal plate can be extruded by the cooperation of the female mold and the male mold; S2: When the concave mold and the convex mold extrude the metal plate, the metal plate applies pressure to the extrusion plate, causing the first spring to contract and the extrusion plate to rise. During the lifting process, the extrusion plate can drive the oil pipe to extend into the oil storage box and allow the oil filling hole to enter the oil storage box. At this time, the lubricating oil in the oil storage box can enter the oil pipe through the oil filling hole and flow to the inner wall of the concave mold through the oil discharge hole, thereby reducing the friction between the concave mold and the metal plate. S3: When the extrusion molding work is completed, the electric push rod drives the female mold to lift up, so that the female mold and the male mold are separated. During the lifting process of the female mold, the first spring rebounds and applies pressure to the capacitor shell, so that the capacitor shell remains on the male mold and the extrusion plate returns to its original position. At this time, the oil filling hole of the oil delivery pipe is moved out of the oil storage box, and the top end of the oil delivery pipe is used to seal the oil storage box; S4: During the lifting process of the female mold, the limit rod and rack A that are lifted together can be used to drive the rotating gear to rotate in the opposite direction. At this time, the pulley A that rotates in the opposite direction drives the pulley B to rotate in the opposite direction synchronously through the transmission belt. At this time, the screw rod is driven to rotate in the opposite direction through the cooperation of the bevel gear A and the bevel gear B, thereby controlling the lifting of the mounting ring. At this time, the sponge ring containing alcohol will wipe the surface of the capacitor shell on the male mold, so that the alcohol can decompose the grease of the lubricating oil, and as the alcohol evaporates, the residual lubricating oil on the surface of the capacitor shell is removed; S5: After the mounting ring is moved to the top of the male mold, the load-bearing seat is moved along the slide rail. During the movement of the load-bearing seat, rack B can rotate the transmission gear to drive the male mold to rotate, and at this time the male mold will drive the capacitor housing to rotate together. During the rotation of the capacitor housing, it can contact the sponge pad. Use the dry sponge pad to wipe the alcohol remaining on the capacitor housing, then remove the capacitor housing from the male mold, and then move the load-bearing seat back to its original position along the slide rail, and then the next capacitor housing can be formed.

[0014] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, when the female mold and the male mold extrude the metal plate, the metal blank will exert pressure on the extrusion plate and lift the extrusion plate, and the extrusion plate drives the oil delivery pipe to extend into the oil storage box. At this time, the lubricating oil in the oil storage box can enter the oil delivery pipe through the oil filling hole and flow to the inner wall of the female mold through the oil discharge hole, thereby reducing the friction between the female mold and the metal plate. At the same time, since the operation of adding lubricating oil is completed during the extrusion process, the capacitor shell can be prevented from being exposed to the air, resulting in the problem of easy attachment of floating and particulate matter, thereby effectively improving the protection of the capacitor shell by the device when the capacitor shell is subjected to molding production work; The present invention uses a cotton strip to transport alcohol into a sponge ring. After the extrusion molding of the capacitor shell is completed, the concave mold starts to rise. At this time, the screw rod rotates to drive the mounting ring to rise. The sponge ring filled with alcohol can be used to wipe the surface of the capacitor shell, so that the alcohol and the lubricating oil on the capacitor shell are mixed together. The alcohol can be used to decompose the lubricating oil, and the volatility of the alcohol is used to complete the grease removal work, which effectively improves the auxiliary function of the device in the production work of capacitor shell molding. After the mounting ring is lifted to the top of the capacitor housing, the load-bearing seat is moved along the slide rail, at which time the transmission gear is meshed with the rack B, and during the rotation of the transmission gear, the rack B causes the transmission gear and the male mold to rotate together, and during the rotation of the male mold, the outer wall of the capacitor housing located on the male mold can be brought into contact with the sponge pad, and at this time, the alcohol remaining on the surface of the capacitor housing can be wiped clean using a dry sponge pad, thereby further improving the auxiliary function of the device for the production of capacitor housings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural schematic diagram of the bottom of the workbench of the present invention; Figure 3 It is a structural schematic diagram of the load-bearing frame of the present invention; Figure 4 It is a schematic diagram of the cross-sectional structure of the concave mold of the present invention; Figure 5 It is a structural schematic diagram of the extruded plate of the present invention; Figure 6 It is a schematic diagram of the cross-sectional structure of the liquid storage box of the present invention; Figure 7 It is a structural schematic diagram of the installation ring of the present invention; Figure 8 It is a schematic diagram of the structure of the connection box of the present invention; Fig. 9 It is a structural schematic diagram of the guide box of the present invention; Fig.10 It is a structural schematic diagram of the wedge plate of the present invention; Fig.11 It is a structural schematic diagram of the mounting frame of the present invention.

[0016] In the figure: 1, workbench; 11, liquid storage box; 12, fixed frame; 13, slide rail; 2, load-bearing frame; 21, storage slot; 22, mounting hole; 23, electric push rod; 3, concave mold; 31, oil storage box; 32, storage rod; 33, limit rod; 34, rack A; 4, extrusion plate; 41, first spring; 42, oil pipeline; 43, oil filling hole; 44, oil drain hole; 5, load-bearing seat; 51, transmission gear; 52, convex mold; 53, vertical rod; 54, positioning block; 55, lower pressure plate; 56, special-shaped frame; 5 7. Connecting box; 58. Elastic wedge block; 59. Guide box; 591. Contact block; 592. Guide rail; 593. Elastic telescopic rod; 594. Wedge plate; 6. Mounting ring; 61. Sponge ring; 62. Cotton strip; 63. Screw rod; 64. Fixed rod; 65. Connecting frame; 7. Pulley A; 71. Rotating gear; 72. Mounting box; 73. Pulley B; 74. Transmission belt; 75. Bevel gear A; 76. Bevel gear B; 8. Mounting frame; 81. Rack B; 82. Mounting plate; 83. Sponge pad. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-11 The present invention provides a technical solution: a cylindrical capacitor shell forming device, comprising a workbench 1, a liquid storage box 11 is fixedly connected to the workbench 1, and a fixing frame 12 is fixedly connected to the inner bottom wall of the liquid storage box 11, and a slide rail 13 is fixedly connected to the top of the workbench 1 and the top of the fixing frame 12, and a breakpoint equal to the ring width of the mounting ring 6 is provided on the slide rail 13; The top of the workbench 1 is fixedly connected to a load-bearing frame 2, the top of the load-bearing frame 2 is installed with an electric push rod 23, the bottom of the load-bearing frame 2 is provided with storage grooves 21 corresponding to the number and position of the oil pipelines 42, and the load-bearing frame 2 is provided with mounting holes 22.

[0019] Further, legs are provided at the four corners of the bottom of the workbench 1 for supporting the workbench 1 and providing sufficient installation space for the liquid storage box 11 and the installation box 72. The liquid storage box 11 can be used to store alcohol, which is convenient for cleaning the lubricating oil on the outer wall of the capacitor housing. The fixing frame 12 can be used for installing the load-bearing seat 5, so that the load-bearing seat 5 is located above the liquid storage box 11. The load-bearing seat 5 can be moved smoothly through the slide rail 13. At the same time, a breakpoint equal to the ring width of the installation ring 6 is set on the slide rail 13. Without affecting the movement of the load-bearing seat 5, the installation ring 6 can be moved up and down smoothly, which is convenient for cleaning the lubricating oil of the capacitor housing. Furthermore, when the capacitor housing is being formed, the electric push rod 23 is started to extend, driving the female mold 3 to move downward, so that the female mold 3 and the male mold 52 are closed. At this time, the metal blank can be extruded by cooperating with the female mold 3 and the male mold 52 to complete the forming of the capacitor housing. Thereafter, the electric push rod 23 is controlled to contract, so as to drive the female mold 3 to rise. At this time, the female mold 3 is separated from the male mold 52, and the capacitor housing on the male mold 52 can be unloaded. During the rising process of the female mold 3, the storage groove 21 can be used to store the storage rod 32, so that the storage rod 32 has enough space to follow the female mold 3 to rise.

[0020] Combined with Figure 1 , Figure 4 and Figure 5 As shown, the output end of the electric push rod 23 passes through the load-bearing frame 2 and is fixedly connected to the female mold 3, the top of the female mold 3 is fixedly connected to the oil storage box 31, the top of the oil storage box 31 is fixedly connected to a plurality of storage rods 32 corresponding to the number and position of the oil delivery pipe 42, and the bottom ends of the storage rods 32 are connected to the oil storage box 31, and the tops of the storage rods 32 are slidably connected to the storage grooves 21 at the corresponding positions, and the side of the female mold 3 close to the mounting hole 22 is fixedly connected to the limiting rod 33, and the limiting rod 33 is located in the mounting hole 22. The limit rod 33 is fixedly connected with a rack A34 which meshes with the rotating gear 71, the concave mold 3 is slidably connected with an extrusion plate 4, and a first spring 41 is fixedly connected between the top of the extrusion plate 4 and the inner top wall of the concave mold 3, and the edge of the extrusion plate 4 is embedded with a plurality of fixedly connected oil pipes 42, the top of the oil pipes 42 passes through the concave mold 3 and extends into the oil storage box 31, the outer wall of the oil pipes 42 is provided with a plurality of oil filling holes 43, and the bottom end of the oil pipes 42 is provided with an oil discharge hole 44 which is connected with the plurality of oil filling holes 43.

[0021] Combined with Figure 1 , Figure 6 and Figure 8-Figure 10As shown, a load-bearing seat 5 is slidably connected to the slide rail 13, and a transmission gear 51 is rotatably connected to the top of the load-bearing seat 5, and a male mold 52 is fixedly connected to the top of the transmission gear 51, and two vertical rods 53 are symmetrically fixedly connected to the workbench 1, and the tops of the two vertical rods 53 are slidably connected to positioning blocks 54, and a second spring is arranged between the positioning blocks 54 and the vertical rods 53, and the outer wall of the female mold 3 is symmetrically fixedly connected to a lower pressure plate 55, and one side of the positioning block 54 is fixedly connected to a protruding shaft used in conjunction with the lower pressure plate 55, and the lower parts of the two vertical rods 53 are slidably connected to a special-shaped frame 56, and one side of the two vertical rods 53 is fixedly connected to a connecting box 57 through an L-shaped rod, and an elastic wedge block 58 is slidably connected in the connecting box 57, and one side of the special-shaped frame 56 is symmetrically fixedly connected to one end of the sliding rod The other end of the slide rod slides through the connection box 57 and is fixedly connected to the elastic wedge block 58. A card slot used in conjunction with the elastic wedge block 58 is provided on one side of the positioning block 54. A guide box 59 is fixedly connected to one side of the special-shaped frame 56. The inner top wall of the guide box 59 is Z-shaped. A contact block 591 used in conjunction with the load-bearing seat 5 is slidably connected in the guide box 59. A third spring is arranged between the contact block 591 and the guide box 59. A guide rail 592 is fixedly connected to the guide box 59. An elastic telescopic rod 593 is slidably connected in the guide rail 592. A fourth spring is arranged between the outer wall of the elastic telescopic rod 593 and the guide rail 592. A guide groove is provided on the guide box 59. The telescopic end of the elastic telescopic rod 593 passes through the guide groove and is fixedly connected to a wedge plate 594 used in conjunction with the contact block 591.

[0022] Furthermore, before using the device, a certain amount of lubricating oil is stored in the oil storage box 31. When the female mold 3 and the male mold 52 extrude the metal blank subsequently, the metal blank will exert pressure on the extrusion plate 4 to contract the first spring 41 and lift the extrusion plate 4. During the lifting process, the extrusion plate 4 can drive the oil delivery pipe 42 to extend into the oil storage box 31. Since a plurality of oil filling holes 43 are provided on the oil delivery pipe 42, each of the oil filling holes 43 is provided with a one-way valve, and the oil filling holes 43 will enter the oil storage box 31 in turn, when the oil filling holes 43 enter the oil storage box 31, the lubricating oil in the oil storage box 31 can continuously enter the oil delivery pipe 42 through the oil filling holes 43, and flow to the inner wall of the female mold 3 through the oil discharge holes 44. At this time, during the process of extruding the metal blank, the female mold 3 can utilize the lubricating oil on the inner wall of the female mold 3 The oil reduces the friction between the female mold 3 and the metal plate. When the extrusion molding of the capacitor housing is completed, the female mold 3 is lifted by the electric push rod 23 to separate the female mold 3 from the male mold 52. During the lifting of the female mold 3, the limiting effect of the male mold 52 on the extrusion plate 4 disappears, and the first spring 41 will rebound at this time, exerting pressure on the capacitor housing, so that the capacitor housing remains on the male mold 52, and the extrusion plate 4 is lowered back to its original position. At this time, the oil pipe 42 will fall with the extrusion plate 4, and the oil filling hole 43 will be moved out of the oil storage box 31. When the extrusion plate 4 returns to its original position, the top of the oil pipe 42 will seal the oil storage box 31, thereby stopping the delivery of lubricating oil. At the same time, during the lifting and lowering of the female mold 3, the rack A34 can be used to drive the rotating gear 71 to perform forward and reverse operations.

[0023] Furthermore, the male mold 52 is a cylindrical block structure, which, in cooperation with the cylindrical female mold 3, can extrude the metal blank into a cylindrical capacitor housing, and the transmission gear 51 is rotatably connected to the load-bearing seat 5 through a bearing, which can reduce the friction between the transmission gear 51 and the load-bearing seat 5 and increase the service life of the transmission gear 51 and the load-bearing seat 5.

[0024] Combined with Figure 1 , Figure 2 , Figure 6 , Figure 7 and Fig.11As shown, a mounting ring 6 is provided between the liquid storage box 11 and the top of the fixing frame 12, a sponge ring 61 is embedded in the inner wall of the mounting ring 6, a plurality of cotton strips 62 are fixedly connected to the bottom of the mounting ring 6, and the tops of the cotton strips 62 are fixedly contacted with the sponge ring 61, a screw rod 63 is rotatably connected to one side of the top of the workbench 1, and a fixing rod 64 is fixedly connected to the side of the workbench 1 close to the screw rod 63, a connecting frame 65 is fixedly connected to the side of the top of the mounting ring 6 close to the screw rod 63, the connecting frame 65 is threadedly connected to the screw rod 63, and the connecting frame 65 is slidably connected to the fixing rod 64, and the inner wall of the mounting hole 22 is fixedly connected to the fixing rod 64. The wall is rotatably connected to a pulley A7, and one side of the pulley A7 is fixedly connected to a rotating gear 71, the bottom of the workbench 1 is fixedly connected to a mounting box 72, one side of the mounting box 72 is rotatably connected to a pulley B73, a transmission belt 74 is provided between the pulley B73 and the pulley A7, the inner wall of the mounting box 72 close to the pulley B73 is rotatably connected to a bevel gear A75, and the bevel gear A75 is fixedly docked with the pulley B73, the inner top wall of the mounting box 72 is rotatably connected to a bevel gear B76 that meshes with the bevel gear A75, and the top rotating shaft of the bevel gear B76 is fixedly docked with the bottom end of the screw rod 63.

[0025] Furthermore, the sponge ring 61 is a circular ring made of sponge, and the cotton strip 62 is immersed in alcohol, which can absorb the alcohol and transport it to the sponge ring 61. The alcohol is stored by utilizing the sponge's ability to absorb and store liquids. When the electric push rod 23 drives the female mold 3 to move downward, the female mold 3 can drive the limit rod 33 to drop synchronously, and at this time, the rack A34 can drive the rotating gear 71 to rotate, and the rotating gear 71 drives the pulley A7 to rotate, and at this time, the pulley A7 drives the pulley B73 to rotate synchronously through the transmission belt 74, and during the rotation of the pulley B73, the bevel gear A75 can be driven to rotate. At this time, since the bevel gear A75 and the bevel gear B76 are meshed with each other, when the bevel gear A75 rotates, the bevel gear B76 can be driven to rotate, and the bevel gear B76 can be used to drive the screw rod 63 to rotate. During the rotation of the screw rod 63, the mounting ring 6 can be driven to drop synchronously. During the descent of the mounting ring 6, the concave mold 3 and the convex mold 52 can be used to cooperate to extrude the capacitor shell. After the extrusion molding of the capacitor shell is completed, the electric push rod 23 drives the concave mold 3 to be lifted. During the lifting of the concave mold 3, the limit rod 33 and the rack A34 lifted together can be used to drive the rotating gear 71 to rotate in the opposite direction. At this time, the reverse rotating pulley A7 drives the pulley B73 to rotate in the opposite direction synchronously through the transmission belt 74, and cooperates with the bevel gear A75 and the bevel gear B76 to drive the screw rod 63 to rotate in the opposite direction. At this time, the mounting ring 6 can be lifted by following the rotation of the screw rod 63 through the connecting frame 65. At this time, the sponge ring 61 containing alcohol will wipe the surface of the capacitor shell on the convex mold 52, so that the grease of the lubricating oil is decomposed by alcohol, and evaporated with the alcohol, thereby removing the residual lubricating oil on the surface of the capacitor shell.

[0026] Combined with Figure 1 and Fig.11 As shown, a mounting frame 8 is fixedly connected to the top of the workbench 1 on one side close to the slide rail 13, a rack B81 is fixedly connected to the top of the mounting frame 8, and the rack B81 is meshed with the transmission gear 51, a mounting plate 82 is fixedly connected to the top of the rack B81, and a sponge pad 83 is provided on the side of the mounting plate 82 close to the slide rail 13.

[0027] Furthermore, after the mounting ring 6 moves to the top of the male mold 52, the load-bearing seat 5 is moved along the slide rail 13. During the movement of the load-bearing seat 5, the rack B81 can rotate the transmission gear 51, so that it drives the male mold 52 to rotate, and at this time the capacitor housing will rotate along with the male mold 52. During the rotation of the capacitor housing, since it is in contact with the sponge pad 83 at this time, the sponge pad 83 is used to rub the surface of the capacitor housing, and the dry sponge pad 83 can be used to wipe the residual alcohol on the capacitor housing. When the load-bearing seat 5 moves to the other end of the slide rail 13, the male mold 52 is removed from the bottom of the female mold 3, and there is no object blocking the top of the male mold 52, which makes it convenient to remove the capacitor housing from the male mold 52. Then, the load-bearing seat 5 is moved back to its original position along the slide rail 13, and the next capacitor housing can be formed.

[0028] A forming process of a cylindrical capacitor housing forming device specifically comprises the following steps: S1: First, add alcohol into the liquid storage box 11. At this time, the cotton strip 62 is immersed in the alcohol, which can absorb the alcohol and transport it to the sponge ring 61. The alcohol is stored by using the characteristics of the sponge. Then, fill the oil storage box 31 with lubricating oil. Then, place the metal plate used to make the capacitor housing on the male mold 52, and then start the electric push rod 23 to drive the female mold 3 to move downward. During the descent of the female mold 3, it drives the rotating gear 71 to rotate by the rack A34. At this time, the rotating gear 71 drives the pulley A7 to rotate, and at this time, the pulley A7 drives the pulley B73 to rotate synchronously through the transmission belt 74. At this time, the pulley B73 drives the screw rod 63 to rotate through the cooperation of the bevel gear A75 and the bevel gear B76. During the rotation of the screw rod 63, the mounting ring 6 can be driven to descend synchronously. At this time, the metal plate can be extruded by the cooperation of the female mold 3 and the male mold 52; S2: When the female mold 3 and the male mold 52 extrude the metal plate, the metal plate will exert pressure on the extrusion plate 4, causing the first spring 41 to contract and lift the extrusion plate 4. During the lifting process, the extrusion plate 4 can drive the oil delivery pipe 42 to extend into the oil storage box 31, and the oil filling hole 43 can enter the oil storage box 31. At this time, the lubricating oil in the oil storage box 31 can enter the oil delivery pipe 42 through the oil filling hole 43, and flow to the inner wall of the female mold 3 through the oil discharge hole 44, thereby reducing the friction between the female mold 3 and the metal plate. S3: When the extrusion molding work is completed, the electric push rod 23 drives the female mold 3 to be lifted, so that the female mold 3 is separated from the male mold 52. During the lifting process of the female mold 3, the first spring 41 rebounds and applies pressure to the capacitor shell, so that the capacitor shell remains on the male mold 52, and the extrusion plate 4 returns to its original position. At this time, the oil filling hole 43 of the oil delivery pipe 42 is moved out of the oil storage box 31, and the top end of the oil delivery pipe 42 is used to seal the oil storage box 31; S4: During the lifting process of the female mold 3, the limit rod 33 and the rack A34 that are lifted together can be used to drive the rotating gear 71 to rotate in the opposite direction. At this time, the reversely rotating pulley A7 drives the pulley B73 to rotate in the opposite direction synchronously through the transmission belt 74. At this time, the screw rod 63 is driven to rotate in the opposite direction through the cooperation of the bevel gear A75 and the bevel gear B76, so as to control the lifting of the mounting ring 6. At this time, the sponge ring 61 containing alcohol will wipe the surface of the capacitor housing on the male mold 52, so that the alcohol can decompose the grease of the lubricating oil, and the alcohol will evaporate, thereby removing the residual lubricating oil on the surface of the capacitor housing; S5: After the mounting ring 6 moves to the top of the male mold 52, the load-bearing seat 5 is moved along the slide rail 13. During the movement of the load-bearing seat 5, the rack B81 can rotate the transmission gear 51, so that it drives the male mold 52 to rotate. At this time, the male mold 52 will drive the capacitor housing to rotate together. During the rotation of the capacitor housing, it can contact the sponge pad 83. The dry sponge pad 83 is used to wipe the residual alcohol on the capacitor housing. Then, the capacitor housing is removed from the male mold 52, and then the load-bearing seat 5 is moved back to its original position along the slide rail 13, and the next capacitor housing can be formed.

[0029] Working principle: First, the device is installed at the designated position, then the electrical appliances on the device are powered on, and alcohol is added to the liquid storage box 11, and lubricating oil is filled into the oil storage box 31. At this time, the cotton strip 62 is immersed in the alcohol, which can absorb the alcohol and transport the alcohol to the sponge ring 61, and then the capacitor shell can be extruded and formed; Initially, the second spring between the positioning block 54 and the vertical rod 53 is in a released state, the gap between the two positioning blocks 54 is small, the bottom end of the wedge plate 594 contacts the top surface of the contact block 591, and the metal blank for making the capacitor housing is first placed on the male mold 52. At this time, the two positioning blocks 54 position the metal blank so that the metal blank is concentric with the male mold 52. Then, the electric push rod 23 is started to drive the female mold 3 to move downward, and the female mold 3 drives the two lower pressure plates 55 to move downward. During the descent of the female mold 3, it drives the rotating gear 71 to rotate by using the rack A34. At this time, the rotating gear 71 drives the pulley A7 to rotate, and at this time, the pulley A7 drives the pulley B73 to rotate synchronously through the transmission belt 74. At this time, the pulley B73 drives the screw rod 63 to rotate through the cooperation of the bevel gear A75 and the bevel gear B76. During the rotation of the screw rod 63, the mounting ring 6 can be driven to descend synchronously. At this time, the female mold 3 can be driven by the rack A34. The die 3 cooperates with the male die 52 to perform extrusion molding on the metal plate. Since the female die 3 and the male die 52 are both cylindrical, the metal blank can be extruded into a cylindrical capacitor shell. When the female die 3 and the male die 52 extrude the metal plate, the metal blank will exert pressure on the extrusion plate 4, causing the first spring 41 to contract and lift the extrusion plate 4. During the lifting process, the extrusion plate 4 can drive the oil delivery pipe 42 to extend into the oil storage box 31. Since a plurality of oil injection holes 43 are provided on the oil delivery pipe 42, the oil injection holes 43 will enter the oil storage box 31 in sequence. After the oil injection holes 43 enter the oil storage box 31, the lubricating oil in the oil storage box 31 can continuously enter the oil delivery pipe 42 through the oil injection holes 43, and flow to the inner wall of the female die 3 through the oil discharge holes 44. At this time, during the process of the female die 3 extruding the metal blank, the lubricating oil on the inner wall of the female die 3 can be used to reduce the friction between the female die 3 and the metal blank. When the female mold 3 contacts the metal blank, the inclined surfaces of the two lower pressing plates 55 contact and squeeze the protruding shafts on the corresponding positioning blocks 54, so that the two positioning blocks 54 move away from each other, and the second spring between the positioning blocks 54 and the vertical rod 53 contracts under force. After the lower pressing plate 55 continues to descend, the vertical surface of the lower pressing plate 55 contacts the protruding shafts on the corresponding positioning blocks 54, so that the two positioning blocks 54 no longer move. At the same time, the slots of the positioning blocks 54 are aligned with the adjacent elastic wedge blocks 58. The elastic wedge blocks 58 are released and inserted into the slots to limit the positioning blocks 54. When the two elastic wedge blocks 58 are released to slide, they drive the special-shaped frame 56 to move horizontally through the slide rod; When the female mold 3 is completely closed with the male mold 52, the extrusion molding of the metal blank is completed and the metal blank is extruded into a capacitor housing. After the extrusion molding work is completed, the electric push rod 23 is started to drive the female mold 3 to lift, and the female mold 3 drives the two lower pressure plates 55 to lift and reset. After the lower pressure plates 55 are reset, they no longer contact the protruding shafts on the corresponding positioning blocks 54. At this time, the elastic wedge blocks 58 continue to limit the adjacent positioning blocks 54, so that the positioning blocks 54 cannot move. After the female mold 3 is lifted, it is separated from the male mold 52. During the lifting process of the female mold 3, the first spring 41 rebounds and applies pressure to the capacitor housing, so that the capacitor housing remains on the male mold 52, and the extrusion plate 4 returns to its original position. At this time, the oil filling hole 43 of the oil delivery pipe 42 will be moved out of the oil storage box 31, and the top of the oil delivery pipe 42 is used to seal the oil storage box 31; At the same time, the limit rod 33 and the rack A34 lifted together with the female mold 3 drive the rotating gear 71 to rotate in the opposite direction. At this time, the reverse rotating pulley A7 drives the pulley B73 to rotate in the opposite direction synchronously through the transmission belt 74, and uses the cooperation of the bevel gear A75 and the bevel gear B76 to drive the screw rod 63 to rotate in the opposite direction. At this time, the mounting ring 6 can be lifted by following the rotation of the screw rod 63 through the connecting frame 65. At this time, the gap between the two positioning blocks 54 is large, and the two positioning blocks 54 will not interfere with the movement of the mounting ring 6. At this time, the sponge ring 61 containing alcohol will wipe the outer surface of the capacitor housing located on the male mold 52, so that the alcohol can decompose the grease of the lubricating oil; After the mounting ring 6 moves to above the male mold 52, the load-bearing seat 5 is moved along the slide rail 13, thereby driving the capacitor housing to move. At this time, the gap between the two positioning blocks 54 is large, and the two positioning blocks 54 will not interfere with the movement of the capacitor housing. The load-bearing seat 5 moves away from the contact block 591. After the contact block 591 is released from the restriction, it is released to slide through the third spring. At this time, the telescopic end of the elastic telescopic rod 593 is released and drives the wedge plate 594 to descend. At the same time, the fourth spring between the elastic telescopic rod 593 and the guide rail 592 is released and drives the elastic telescopic rod 593 to slide along the guide rail 592. The telescopic end of the elastic telescopic rod 593 drives the wedge plate 594 to move synchronously. When the inclined surface of the wedge plate 594 contacts the contact block 591, the wedge plate 594 no longer moves, and the top surface of the wedge plate 594 is in contact with the guide rail The inner top wall of the box 59 fits well, and during the movement of the load-bearing seat 5, the rack B81 can rotate the transmission gear 51, so that it drives the male mold 52 to rotate, and at this time the capacitor shell will rotate with the male mold 52. During the rotation of the capacitor shell, since it is in contact with the sponge pad 83 at this time, the sponge pad 83 is used to rub the surface of the capacitor shell, and the dry sponge pad 83 can be used to wipe the residual alcohol on the capacitor shell. When the load-bearing seat 5 moves to the other end of the slide rail 13, the male mold 52 is removed from the bottom of the female mold 3, and there is no object above the male mold 52 to block it, so it is convenient to remove the capacitor shell from the male mold 52, and then the load-bearing seat 5 is moved back to its original position along the slide rail 13, and the next capacitor shell can be formed.

[0030] When the next capacitor housing is to be formed, the bearing seat 5 is first moved and reset along the slide rail 13. After the bearing seat 5 is reset, it contacts and squeezes the contact block 591. The contact block 591 slides horizontally under force, and the third spring contracts under force. When the contact block 591 slides, it squeezes the inclined surface of the wedge plate 594. Since the top surface of the wedge plate 594 fits the inner top wall of the guide box 59 at this time, the wedge plate 594 generates a force upward after being stressed, thereby increasing the friction between the wedge plate 594 and the guide box 59, and the contact block 591 continues to After sliding, the guide box 59 can be driven to slide synchronously through the wedge plate 594, and the guide box 59 drives the special-shaped frame 56 to slide horizontally. The special-shaped frame 56 drives the two elastic wedge blocks 58 to shrink and slide through the slide rod thereon. After the two elastic wedge blocks 58 shrink and slide, they are separated from the corresponding slots of the positioning blocks 54. After the positioning blocks 54 are separated from the restrictions, they are released and slid back to the original position through the second spring. At the same time, the two elastic wedge blocks 58 shrink to the limit and cannot move, thereby making the guide box 59 unable to move. The force of the contact block 591 pushing the wedge plate 594 is greater than that of the wedge plate Due to the friction between the wedge plate 594 and the guide box 59, the wedge plate 594 and the elastic telescopic rod 593 begin to slide horizontally, and the fourth spring between the elastic telescopic rod 593 and the guide rail 592 is forced to shrink. When the wedge plate 594 slides to the inner top wall corner of the guide box 59 and passes over it, the wedge plate 594 can rise. At this time, the inclined surface of the wedge plate 594 is lifted upward along the edge of the contact block 591, thereby shrinking the telescopic end of the elastic telescopic rod 593. After the wedge plate 594 rises, the contact block 591 no longer exerts a pushing force on the wedge plate 594. Force, thereby enabling the elastic wedge block 58 to move, at this time the two elastic wedge blocks 58 are released, thereby enabling the elastic wedge block 58 to reset, and after the two elastic wedge blocks 58 are reset, they contact the outer wall of the corresponding positioning block 54, and the guide box 59 drives the elastic telescopic rod 593 and the wedge plate 594 to slide through the guide rail 592, at this time the contact block 591 cannot move, and the wedge plate 594 slides to further contract the fourth spring between the elastic telescopic rod 593 and the guide rail 592, and then repeat the above steps to form the capacitor housing. It should be noted that, in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cylindrical capacitor housing forming device, comprising a workbench (1), the top of the workbench (1) being fixedly connected to a load-bearing frame (2), the top of the load-bearing frame (2) being equipped with an electric push rod (23), characterized in that: A liquid storage box (11) is fixedly engaged with the workbench (1), and a fixing frame (12) is fixedly connected to the inner bottom wall of the liquid storage box (11), and a convex mold (52) is provided on the top of the fixing frame (12); The output end of the electric push rod (23) passes through the load-bearing frame (2) and is fixedly connected to a concave mold (3); the top end of the concave mold (3) is fixedly connected to an oil storage box (31); an extrusion plate (4) is slidably connected inside the concave mold (3); a first spring (41) is fixedly connected between the top end of the extrusion plate (4) and the inner top wall of the concave mold (3); a plurality of fixedly connected oil delivery pipes (42) are embedded in the edge of the extrusion plate (4); the top end of the oil delivery pipe (42) passes through the concave mold (3) and extends into the oil storage box (31); the outer wall of the oil delivery pipe (42) is provided with a plurality of oil injection holes (43); and the bottom end of the oil delivery pipe (42) is provided with an oil discharge hole (44) connected to the plurality of oil injection holes (43).

2. A cylindrical capacitor shell forming device according to claim 1, characterized in that: The bottom of the load-bearing frame (2) is provided with storage grooves (21) corresponding to the number and position of the oil delivery pipes (42), and the load-bearing frame (2) is provided with mounting holes (22).

3. A cylindrical capacitor shell forming device according to claim 2, characterized in that: A plurality of storage rods (32) corresponding in number and position to the oil delivery pipes (42) are fixedly connected to the top of the oil storage box (31), and the bottom ends of the storage rods (32) are in communication with the oil storage box (31), while the tops of the storage rods (32) are slidably connected to the storage grooves (21) at corresponding positions.

4. A cylindrical capacitor shell forming device according to claim 3, characterized in that: A mounting ring (6) is provided between the liquid storage box (11) and the top of the fixing frame (12); a sponge ring (61) is embedded in the inner wall of the mounting ring (6); a plurality of cotton strips (62) are fixedly connected to the bottom of the mounting ring (6), and the tops of the cotton strips (62) are all in fixed contact with the sponge ring (61); a screw rod (63) is rotatably connected to one side of the top of the workbench (1), and a fixing rod (64) is fixedly connected to one side of the workbench (1) close to the screw rod (63); a connecting frame (65) is fixedly connected to one side of the top of the mounting ring (6) close to the screw rod (63); the connecting frame (65) is threadedly connected to the screw rod (63), and the connecting frame (65) is slidably connected to the fixing rod (64).

5. The cylindrical capacitor housing forming device according to claim 4, characterized in that: The inner wall of the mounting hole (22) is rotatably connected to a pulley A (7), and one side of the pulley A (7) is fixedly connected to a rotating gear (71); the bottom of the workbench (1) is fixedly connected to a mounting box (72), and one side of the mounting box (72) is rotatably connected to a pulley B (73); a transmission belt (74) is provided between the pulley B (73) and the pulley A (7); the inner wall of the mounting box (72) on a side close to the pulley B (73) is rotatably connected to a bevel gear A (75), and the bevel gear A (75) is fixedly docked with the pulley B (73); the inner top wall of the mounting box (72) is rotatably connected to a bevel gear B (76) meshing with the bevel gear A (75), and the top rotating shaft of the bevel gear B (76) is fixedly docked with the bottom end of the screw rod (63).

6. The cylindrical capacitor shell forming device according to claim 5, characterized in that: The top of the workbench (1) and the top of the fixed frame (12) are both fixedly connected with a slide rail (13), and a breakpoint equal to the ring width of the mounting ring (6) is provided on the slide rail (13).

7. The cylindrical capacitor shell forming device according to claim 6, characterized in that: The slide rail (13) is slidably connected to a load-bearing seat (5), the top of the load-bearing seat (5) is rotatably connected to a transmission gear (51), and the bottom end of the male mold (52) is fixedly connected to the top of the transmission gear (51), and the workbench (1) is symmetrically fixedly connected to two vertical rods (53), the tops of the two vertical rods (53) are slidably connected to positioning blocks (54), and a second spring is provided between the positioning blocks (54) and the vertical rods (53), the outer wall of the female mold (3) is symmetrically fixedly connected to a lower pressure plate (55), one side of the positioning block (54) is fixedly connected to a protruding shaft used in conjunction with the lower pressure plate (55), the lower parts of the two vertical rods (53) are slidably connected to a special-shaped frame (56), one side of the two vertical rods (53) is fixedly connected to a connection box (57) through an L-shaped rod, and an elastic wedge block (58) is slidably connected in the connection box (57), and one side of the special-shaped frame (56) One end of a sliding rod is symmetrically fixedly connected, and the other end of the sliding rod slides through the connecting box (57) and is fixedly connected to the elastic wedge block (58). A slot for use with the elastic wedge block (58) is provided on one side of the positioning block (54). A guide box (59) is fixedly connected to one side of the special-shaped frame (56). A contact block (591) for use with the load-bearing seat (5) is slidably connected in the guide box (59). A third spring is provided between the contact block (591) and the guide box (59). A guide rail (592) is fixedly connected to the guide box (59). An elastic telescopic rod (593) is slidably connected in the guide rail (592). A fourth spring is provided between the outer wall of the elastic telescopic rod (593) and the guide rail (592). A guide groove is provided on the guide box (59). The telescopic end of the elastic telescopic rod (593) passes through the guide groove and is fixedly connected to a wedge plate (594) for use with the contact block (591).

8. The cylindrical capacitor shell forming device according to claim 7, characterized in that: A mounting frame (8) is fixedly connected to one side of the top of the workbench (1) close to the slide rail (13); a rack B (81) is fixedly connected to the top of the mounting frame (8), and the rack B (81) is meshed with the transmission gear (51); a mounting plate (82) is fixedly connected to the top of the rack B (81), and a sponge pad (83) is provided on one side of the mounting plate (82) close to the slide rail (13).

9. The cylindrical capacitor housing forming device according to claim 8, characterized in that: A limiting rod (33) is fixedly connected to one side of the female mold (3) close to the mounting hole (22), and the limiting rod (33) is located in the mounting hole (22). A rack A (34) meshing with the rotating gear (71) is fixedly connected to the limiting rod (33).

10. The forming process of a cylindrical capacitor shell forming device according to claim 9, characterized in that: The specific steps include: S1: First, alcohol is added to the liquid storage box (11). At this time, the cotton strip (62) is immersed in the alcohol and can absorb the alcohol and transport the alcohol to the sponge ring (61). The alcohol is stored by utilizing the characteristics of the sponge. Then, lubricating oil is filled into the oil storage box (31). Then, a metal plate for making a capacitor housing is placed on the male mold (52). Then, the electric push rod (23) is started to drive the female mold (3) to move downward. During the process of the female mold (3) descending, the rack A (34) is used to drive the rotary The rotating gear (71) rotates, and the rotating gear (71) drives the pulley A (7) to rotate. At this time, the pulley A (7) drives the pulley B (73) to rotate synchronously through the transmission belt (74). At this time, the pulley B (73) drives the screw rod (63) to rotate through the cooperation of the bevel gear A (75) and the bevel gear B (76). During the rotation of the screw rod (63), the mounting ring (6) can be driven to descend synchronously. At this time, the metal plate can be extruded by cooperating with the concave mold (3) and the convex mold (52); S2: When the female mold (3) and the male mold (52) extrude the metal plate, the metal plate applies pressure to the extrusion plate (4), causing the first spring (41) to contract and the extrusion plate (4) to rise. During the rising process, the extrusion plate (4) can drive the oil delivery pipe (42) to extend into the oil storage box (31) and allow the oil injection hole (43) to enter the oil storage box (31). At this time, the lubricating oil in the oil storage box (31) can enter the oil delivery pipe (42) through the oil injection hole (43) and flow to the inner wall of the female mold (3) through the oil discharge hole (44), thereby reducing the friction between the female mold (3) and the metal plate. S3: When the extrusion molding work is completed, the electric push rod (23) drives the female mold (3) to be lifted, so that the female mold (3) and the male mold (52) are separated. During the lifting process of the female mold (3), the first spring (41) rebounds and applies pressure to the capacitor shell, so that the capacitor shell remains on the male mold (52) and the extrusion plate (4) returns to its original position. At this time, the oil filling hole (43) of the oil delivery pipe (42) is moved out of the oil storage box (31), and the top end of the oil delivery pipe (42) is used to seal the oil storage box (31); S4: During the lifting process of the female mold (3), the limit rod (33) and the rack A (34) that are lifted together can be used to drive the rotating gear (71) to rotate in the opposite direction. At this time, the pulley A (7) that rotates in the opposite direction drives the pulley B (73) to rotate in the opposite direction synchronously through the transmission belt (74). At this time, the screw rod (63) is driven to rotate in the opposite direction through the cooperation of the bevel gear A (75) and the bevel gear B (76), thereby controlling the lifting of the mounting ring (6). At this time, the sponge ring (61) containing alcohol will wipe the surface of the capacitor housing located on the male mold (52), so that the alcohol decomposes the grease of the lubricating oil, and as the alcohol evaporates, the residual lubricating oil on the surface of the capacitor housing is removed; S5: After the mounting ring (6) is moved to the top of the male mold (52), the bearing seat (5) is moved along the slide rail (13). During the movement of the bearing seat (5), the rack B (81) can rotate the transmission gear (51), so that it drives the male mold (52) to rotate. At this time, the male mold (52) drives the capacitor housing to rotate together. During the rotation of the capacitor housing, it can contact the sponge pad (83). The dry sponge pad (83) is used to wipe the alcohol remaining on the capacitor housing. After that, the capacitor housing is removed from the male mold (52), and then the bearing seat (5) is moved back to its original position along the slide rail (13), and the next capacitor housing can be formed.

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