CN113178343B

CN113178343B - Outer envelope formula film capacitor coiler

Info

Publication number: CN113178343B
Application number: CN202110349282.6A
Authority: CN
Inventors: 吴钰东; 吴建明; 王习华; 吕小龙
Original assignee: Sichuan Shengrongda Capacitive Resistance Technology Co ltd
Current assignee: Sichuan Shengrongda Capacitive Resistance Technology Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2022-07-08
Anticipated expiration: 2041-03-31
Also published as: CN113178343A

Abstract

The utility model relates to an outer capsule film capacitor winder, it includes the frame, rotates in the frame and is provided with the working barrel, and the coaxial rigid coupling of one end of working barrel has first mounting disc, and the coaxial rigid coupling of the other end of working barrel has the second mounting disc, wears to be equipped with along the endwise slip of working barrel on the first mounting disc and presss from both sides the needle, and adjacent two press from both sides are provided with the backup pad between the needle. When processing to film capacitor, pioneer makes the clamp needle be close to the removal of second mounting disc, through pressing from both sides the film centre gripping of needle with the condenser at the bar downthehole, order about again that the clamp needle rotates around rolling up the film, at the condenser around roll shaping back, order about the whole station that rotates of installation section of thick bamboo, decide the condenser film again, press from both sides the needle and continue to rotate, and the outer protection film that bonds of condenser, after the protection film tectorial membrane is accomplished, will press from both sides the needle and take out from the working barrel, the condenser freely drops, accomplish condenser processing and top layer tectorial membrane work promptly, this application has the effect that can realize the tectorial membrane operation outside the condenser around rolling up the condenser automatically.

Description

Outer envelope formula film capacitor coiler

Technical Field

The application relates to the field of film capacitor winding machines, in particular to an outer film wrapping type film capacitor winding machine.

Background

The film capacitor is a capacitor having a structure in which a metal foil is used as an electrode, and the metal foil is laminated with a plastic film such as polyethylene, polypropylene, polystyrene, or polycarbonate from both ends thereof, and then wound into a cylindrical shape.

In the conventional film capacitor, when being manufactured, a film of the capacitor is clamped on a winding rod, then the winding rod is rotated, and after the film capacitor is wound and molded on the winding rod, the winding rod is pulled out from the capacitor, so that the capacitor is processed.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: after the film capacitor is wound, dust is easily adhered to the surface of the capacitor, and the capacitor is possibly scratched and abraded, so that a protective film is required to be coated on the surface of the wound film capacitor in order to solve the problem, and therefore, a rotating machine for winding the film capacitor is improved.

Disclosure of Invention

In order to realize the film coating process after the winding of the capacitor is finished, the application provides an outer film wrapping type film capacitor winding machine.

The application provides an outer envelope formula film capacitor winder adopts following technical scheme:

a film-wrapped type film capacitor winding machine comprises a machine frame, a working barrel is rotatably arranged on the machine frame, one end of the working barrel is coaxially and fixedly connected with a first mounting disc, the other end of the working barrel is coaxially and fixedly connected with a second mounting disc, a clamping needle penetrates through the first mounting disc in a sliding manner along the axial direction of the working barrel, a strip-shaped hole for inserting a film is formed in the end part of the clamping needle extending between the first mounting disc and the second mounting disc along the sliding direction of the clamping needle, at least two clamping pins are arranged at intervals along the circumferential direction of the first mounting disc, a supporting plate for supporting a film when the film is cut off is arranged between every two adjacent clamping pins, the needle clamping device is characterized in that a first driving mechanism used for driving the working barrel to rotate intermittently is arranged on the rack, a second driving mechanism used for driving the clamping needle to slide is arranged on the rack, and a third driving mechanism used for driving the clamping needle to rotate is arranged on the working barrel.

By adopting the technical scheme, when the film capacitor is processed, the second driving mechanism drives the clamping needle to move close to the second mounting disc, the film of the capacitor is clamped in the strip-shaped hole through the clamping needle, then the third driving mechanism is started to start the winding of the film, after the capacitor is wound and formed, the first driving mechanism is started to drive the mounting cylinder to integrally rotate for one station, then the capacitor film is cut from the supporting plate by utilizing cutting equipment such as a cutting knife, the third driving mechanism on the clamping needle after the station is moved is continuously started to drive the winding formed capacitor to rotate, and then the protective film is adhered outside the capacitor, so that the protective film is coated on the outer layer when the capacitor rotates along with the clamping needle, after the coating of the protective film is finished, the clamping needle is driven to move by the second driving mechanism, the capacitor is blocked by the first mounting disc and slides on the capacitor, when the clamping pin is pulled out of the capacitor, the capacitor falls freely, and then the capacitor processing and surface layer film covering work are completed.

Optionally, the first driving mechanism includes a first motor, the first motor is a servo motor, the first motor is fixedly connected to the frame, and an output shaft of the first motor and the working barrel are in gear transmission.

Through adopting above-mentioned technical scheme, use servo motor to be, adopt control servo motor such as PLC controller to regularly open and close, can drive servo motor and rotate, servo motor rotates the in-process, drives the working barrel through gear drive, realizes that the last needle that presss from both sides of working barrel changes the station.

Optionally, the second actuating mechanism includes first elastic component, driving lever and guide plate, the guide plate rigid coupling is in the frame, the guide plate is located one side that the working barrel was kept away from to first mounting disc, and with first mounting disc is coaxial, the side that first mounting disc was kept away from to the guide plate includes first straightway and the second straightway of keeping away from gradually and being parallel to each other along first mounting disc axis direction, be provided with smooth inclined plane transition section between the one end of first straightway and the one end of second straightway, be provided with between the other end of first straightway and the other end of second straightway and press from both sides the parallel fall section of needle slip direction, the driving lever is connected with the one end that the working barrel was kept away from to the clamp needle, the driving lever slides and connects on the face that first mounting disc was kept away from to the guide plate, first elastic component is used for ordering about the clamp needle and is close to the second mounting disc.

Through adopting above-mentioned technical scheme, in staff's drive working barrel rotation in-process in the frame, the terminal driving lever of clamp needle on the first mounting disc slides on the edge that first mounting disc one side was kept away from to the guide vane, driving lever on clamping the needle passes through drop section to first straightway in-process from the second straightway, under first elastic component elastic action, it removes to the second mounting disc to press from both sides the needle, thereby with the film centre gripping of condenser, after the condenser is accomplished around the book, the driving lever passes through and reentrant second straightway from the excessive section of smooth inclined plane, can drive and press from both sides the needle and take out the condenser, the time condenser drops, high durability and convenient use, and convenient operation.

Optionally, a roller is rotatably arranged on the shifting lever, and the roller and the edge of the guide piece far away from the first mounting disc are in rolling contact.

By adopting the technical scheme, when the shifting lever slides on the guide sheet, the roller is in rolling contact with the guide sheet, so that the abrasion of the shifting lever can be effectively reduced, the service life of the shifting lever is prolonged, and the needle clamping is more rapid to stretch.

Optionally, an installation cylinder is coaxially and fixedly connected to the disc surface of the first installation disc far away from the second installation disc, a sliding block is connected to the inner wall of the installation cylinder in a sliding mode along the sliding direction of the clamping needle, the clamping needle is connected with the sliding block in a rotating mode, a sliding groove is formed in the installation cylinder along the sliding direction of the sliding block, a shifting block is fixedly connected to the sliding block, and the shifting block is connected in the sliding groove in a sliding mode.

Through adopting above-mentioned technical scheme, when the clamp needle appears blocking or trouble in the runner built-in, the staff can manually take out the clamp needle from the condenser through manual stirring shifting block, and the staff of being convenient for maintains the runner machine.

Optionally, the third driving mechanism includes a socket and a second motor, the socket is rotatably connected to the second mounting plate, the socket is coaxial and in one-to-one correspondence with the clamp pin, one end of the socket close to the first mounting plate is provided with two insertion holes matched with the clamp pin in shape and close to one end of the second mounting plate, the second motor is fixedly connected to the second mounting plate, and an output shaft of the second motor is in coaxial transmission connection with the socket.

By adopting the technical scheme, after the clamp pin clamps the capacitor film, the clamp pin is inserted into the plug socket on the second mounting plate, the end part of the clamp pin close to the second mounting plate is correspondingly inserted into the two plug holes on the plug socket, then, the second motor is started, the second motor drives the plug socket to rotate, the clamp pin can be driven to rotate, the capacitor is wound, and the winding of the capacitor is convenient.

Optionally, a first guide surface is arranged at the edge of the jack close to the first mounting plate, and a second guide surface is arranged at the edge of the clamping pin close to one end of the second mounting plate.

Through adopting above-mentioned technical scheme, in the in-process of pressing from both sides needle plug-in two jacks on the plug socket, the second spigot surface on the clamp needle contacts and mutual direction with the first spigot surface of jack position, can make the clamp needle rectify and rotate and align as to the jack, makes the clamp needle can insert the plug socket smoothly in, convenient to use.

Optionally, still be provided with the hold-down mechanism who is used for laminating to press from both sides film on the needle on the working barrel, hold-down mechanism includes pinch roller and crank, articulate one end is rotated and is connected on first mounting disc, the pinch roller rotates to be connected at the articulate other end, the pinch roller is parallel with pressing from both sides the needle, be provided with on the working barrel and be used for ordering about the reciprocal pivoted drive assembly of crank.

Through adopting above-mentioned technical scheme, accomplish around rolling up at the coiler to film capacitor's film capacitance part to cut the back to the capacitor film, order about crank rotation on the working barrel through drive assembly, the compressing roller compresses tightly the capacitor film of winding up on will pressing from both sides the needle during crank rotation, and it is loose to prevent effectively that the capacitor film is loose when the outer winding protection film of condenser, improves the capacitor quality.

Optionally, the driving assembly includes a cylinder and a connecting rod, the connecting rod is connected to the crank, and the cylinder is used for pushing the connecting rod to rotate.

Through adopting above-mentioned technical scheme, when the piston rod of cylinder stretches out, the piston rod of cylinder stretches out and in the connecting rod butt to promote the crank rotation through the connecting rod, the operation is stable, and the pressure roller removes steadily.

Optionally, the connecting rod is rotatably connected with the crank, and a second elastic piece for driving the crank to rotate so as to enable the pressing roller to be close to the clamping needle is arranged on the connecting rod.

Through adopting above-mentioned technical scheme, promote the connecting rod at the cylinder, drive the crank rotation, make the compressing roller paste tightly on the condenser on the clamp needle after, the connecting rod continues to rotate, drives the deformation of second elastic component, can effectively keep compressing roller and condenser to keep the pressure state to can prevent effectively that compressing roller from crushing the condenser, improve condenser integrality.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the film capacitor is processed, the clamping needle is moved close to the second mounting disc by a precursor, the film of the capacitor is clamped in the strip-shaped hole through the clamping needle, then the clamping needle is driven to rotate to wind the film, after the capacitor is wound and formed, the mounting cylinder is driven to integrally rotate to a station, then the capacitor film is cut, the clamping needle continues to rotate, the protective film is bonded outside the capacitor, after the protective film is coated, the clamping needle is pulled out of the working cylinder, the capacitor freely drops, and then the capacitor processing and surface layer coating work is completed;

2. when a worker drives the working barrel to rotate on the frame, a shifting rod at the tail end of the clamping needle on the first mounting disc slides on the edge of one side, away from the first mounting disc, of the guide sheet, and the shifting rod on the clamping needle moves towards the second mounting disc under the action of the elastic force of the first elastic piece in the process of passing from the second straight line section to the first straight line section through the drop section, so that a film of the capacitor is clamped;

3. the winding machine completes winding of the film capacitor part of the film capacitor, after the capacitor film is cut, the driving assembly drives the working barrel to rotate through the crank, the pressing roller compresses the wound capacitor film on the clamp pin during crank rotation, the capacitor film is effectively prevented from being loose when the capacitor is wound with the protective film, and the quality of the capacitor is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of a film capacitor winding machine according to an embodiment of the present application.

Fig. 2 is a schematic bottom view of the rotary machine according to the embodiment of the present invention.

Fig. 3 is a partially sectional structural schematic view of a turbine frame according to an embodiment of the present invention.

Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.

Fig. 5 is a partially enlarged schematic view of a portion B in fig. 3.

FIG. 6 is a schematic view, partly in section, of a second mounting plate of a rotary machine according to an embodiment of the present application.

Fig. 7 is a partially enlarged schematic view of a portion C in fig. 6.

Description of reference numerals: 1. a frame; 2. a working barrel; 21. a first mounting plate; 22. a second mounting plate; 3. clamping a needle; 31. a strip-shaped hole; 32. a second guide surface; 4. a first drive mechanism; 41. a first motor; 5. a second drive mechanism; 51. a first elastic member; 52. a deflector rod; 53. a guide piece; 531. a first straight line segment; 532. a second straight line segment; 533. a smooth slope transition section; 534. a fall section; 54. a roller; 55. mounting the cylinder; 551. a chute; 56. a slider; 57. shifting blocks; 6. a third drive mechanism; 61. a socket; 62. a second motor; 63. a jack; 631. a first guide surface; 7. a hold-down mechanism; 71. a pressure roller; 72. a crank; 73. a drive assembly; 731. a cylinder; 732. a connecting rod; 733. a second elastic member; 8. a support plate; 9. a winding station; 91. a film covering station; 92. and a cutting station.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses an outer envelope formula film capacitor winder. Referring to fig. 1 and 2, the rotary turbine includes a frame 1, a working barrel 2 is rotatably mounted on the frame 1, the working barrel 2 includes a first mounting plate 21 and a second mounting plate 22 located at two ends, and the first mounting plate 21, the second mounting plate 22 and the working barrel 2 are coaxially arranged. The first mounting plate 21 is provided with a clamp pin 3 slidably mounted in the axial direction of operation for clamping a film of a capacitor. The axis of the clamp pin 3 is eccentric to the axis of the first mounting disc 21, and the clamp pin 3 sequentially passes through the capacitor film winding station 9 and the capacitor protective film coating station 91 when moving along with the circumference of the working barrel 2.

Referring to fig. 2 and 3, in order to drive the working barrel 2 to rotate and stop intermittently at each station, a first driving mechanism 4 for driving the working barrel 2 to rotate is provided on the frame 1, and in this embodiment, the first driving mechanism 4 includes a first motor 41. The first motor 41 adopts a servo motor, the first motor 41 adopts a bolt to be fixedly installed on the rack 1, a driving gear is coaxially fixed on an output shaft of the first motor 41 in a bonding mode, a driven gear is coaxially fixed on the working barrel 2 in a welding mode, and the driving gear is meshed with the driven gear, so that the servo motor can drive the working barrel 2 to rotate when being started.

Referring to fig. 3 and 4, in order to enable the clamp pin 3 to clamp the film of the capacitor and drive the film to be wound on the clamp pin 3 to form the capacitor, a strip-shaped hole 31 is formed in one end of the clamp pin 3 close to the second mounting plate 22 along the length direction of the clamp pin 3, and is used for clamping the film of the capacitor when the clamp pin 3 is close to the second mounting plate 22. In order to drive the needle holder 3 to slide on the first mounting plate 21, the frame 1 is provided with a second driving mechanism 5, in this embodiment, the second driving mechanism 5 includes a first elastic member 51, a shift lever 52 and a guide piece 53, the guide piece 53 is welded and fixed on the frame 1 in a ring shape, the guide piece 53 is coaxial with the working barrel 2, and the guide piece 53 is located on one side of the first mounting plate 21 close to the frame 1.

Referring to fig. 2, 3 and 4, the edge of the guide piece 53 on the side away from the mandrel 2 includes a first straight line segment 531, a second straight line segment 532, a smooth ramp transition segment 533 and a fall segment 534. The first and second

straight sections

531, 532 are parallel to each other and to the first mounting plate 21. The first straight line segment 531 and the second straight line segment 532 are arranged in a staggered manner in the axial direction of the first mounting plate 21, and the first straight line segment 531 is a straight line segment close to the first mounting plate 21. The smooth inclined transition section is connected to one end of the first straight line section 531 and one end of the second straight line section 532, the fall section 534 is parallel to the axis of the first mounting plate 21, and the fall section 534 is connected to the other end of the first straight line section 531 and the other end of the second straight line section 532.

Referring to fig. 3 and 4, a mounting cylinder 55 is fixedly connected to the disk surface of the first mounting disk 21 away from the second mounting disk 22 through coaxial bolts, a sliding groove 551 is formed in the outer wall of the mounting cylinder 55 along the length direction of the clamping pin 3, a sliding block 56 is connected to the sliding groove 551 in a sliding manner, and one end of the clamping pin 3 extending out of the working cylinder 2 extends into the sliding groove 551 and is rotatably connected with the sliding block 56. The mounting tube 55 is inserted into the guide plate 53, and one end of the mounting tube 55, which is far away from the first mounting plate 21, extends out of one side of the guide plate 53, which is far away from the first mounting plate 21. The shift lever 52 is fixed on the slide block 56, and the mounting barrel 55 extends out of the slide groove 551, the roller 54 is rotatably mounted on the shift lever 52, and the roller 54 is in rolling contact with the slope section on the guide sheet 53. First elastic component 51 adopts the spring, and the one side of pressing from both sides needle 3 is kept away from to slider 56 in the spout 551 to the spring mounting, and the one end and the slider 56 welded fastening of spring, the other end and the inner wall welded fastening of mounting groove, spring are used for driving about slider 56 and press from both sides needle 3 and slide to second mounting disc 22 and be close to. In order to facilitate the worker to manually draw out the clamp pin 3 inserted into the capacitor when the rotary machine fails, a shifting block 57 is integrally fixed on the sliding block 56, and the shifting block 57 extends out of the sliding groove 551 and can be manually shifted by the worker.

Referring to fig. 3 and 5, after the clamping pin 3 clamps the capacitor film in the strip-shaped hole 31, the clamping pin 3 needs to be driven to rotate, so as to wind the capacitor film around the clamping pin 3 to form a capacitor, and in order to drive the clamping pin 3 to rotate, the rack 1 is provided with a third driving mechanism 6, in this embodiment, the third driving mechanism 6 includes a socket 61 and a second motor 62. The socket 61 is rotatably mounted on the second mounting plate 22, the position of the socket 61 corresponds to the position of the needle 3 on the first mounting plate 21, and the rotation axis of the socket 61 is collinear with the rotation axis of the needle 3 on the sliding block 56. The jack seat 61 is close to the one end of pressing from both sides needle 3 and offers the jack 63 with the terminal surface shape adaptation that presss from both sides needle 3 and have bar hole 31, and specific jack 63 has two, is equipped with the baffle that corresponds bar hole 31 on the clamp needle 3 between two jacks 63.

In order to facilitate the accurate insertion of the clamping pin 3 into the two insertion holes 63 of the insertion seat 61 when the clamping pin 3 is close to the insertion seat 61, the edges of the two insertion holes are both set as first guide surfaces 631 inclined into the insertion holes, and the edges of the clamping pin 3 close to the end surface of the second mounting plate 22 are both set as inclined second guide surfaces 32, so that when the clamping pin 3 is close to the second mounting plate 22, the first guide surfaces 631 contact and cooperate with the second guide surfaces 32, and the clamping pin 3 automatically rotates to be aligned with the insertion holes 63. The second motor 62 is used for driving the socket 61 to rotate, and when the clip pin 3 is matched with the socket 61 in an inserting manner, the socket 61 rotates to drive the clip pin 3 to rotate and wind a capacitor film and the like. The second motor 62 is a servo motor, the second motor 62 is fixedly mounted on the disk surface of the second mounting disk 22 far from the working barrel 2 through bolts, and an output shaft of the second motor 62 is coaxially fixed with the plug socket 61 through a coupler.

Referring to fig. 1, 2 and 3, in order to wind the capacitor film and coat the outer layer of the formed capacitor with the protective film successively during the rotation of the working barrel 2, the clamp pin 3 on the working barrel 2 should stay in place at least twice along the circumferential direction of the working barrel 2. In this embodiment, the two clamping needles 3 are uniformly arranged along the circumferential direction of the working barrel 2 at intervals, and the working barrel 2 is intermittently stopped after rotating 180 degrees. In order to clamp the capacitor film during the two stop processes of the operation of the clamp pin 3, the central angle of the first straight line segment 531 on the guide piece 53 along the circumferential direction of the guide piece 53 should be larger than 180 °, and when the roller 54 approaches from the second straight line segment 532 to the first straight line segment 531 along the fall segment 534 on the guide piece 53, the working cylinder 2 should be located at a stop station, which is the capacitor film winding station 9.

Referring to fig. 1 and 6, since it is necessary to cut the capacitor film when coating the surface of the capacitor after molding with a protective film, a capacitor film cutting station 92 is further provided between the capacitor film winding station 9 and the capacitor protective film coating station 91. In the film cutting component in the non-woven fabric automatic packaging equipment disclosed in the chinese patent with publication number CN209160162U, when the film is cut, the film on both sides of the cut part needs to be compressed, therefore, a support plate 8 is welded and fixed between the first mounting plate 21 and the second mounting plate 22 and between the two clamp pins 3, and when the clamp pins 3 rotate from the capacitor film winding station 9 to the capacitor protection film laminating station 91 along with the working barrel 2, the capacitor film is arranged in parallel to the support plate 8, which facilitates the compression of the film on the support plate 8.

Referring to fig. 6 and 7, when the surface of the capacitor is coated with a protective film, the capacitor film needs to be kept compact, and for this purpose, the cylinder 2 is further provided with a pressing mechanism 7 for applying the film on the clamp pin 3. In this embodiment, the pressing mechanism 7 includes a pressing roller 71 and a crank 72, the pressing roller 71 is rotatably mounted on one end of the crank 72, and the other end of the crank 72 is rotatably mounted on the first mounting plate 21. The axis of the pressure roller 71 is parallel to the axis of the gripper pin 3, and the axis of rotation of the crank 72 on the first mounting plate 21 is parallel to the axis of the gripper pin 3. The roller can be rotated with crank 72 to engage the capacitor surface on the chuck pin 3.

In order to drive the crank 72 to rotate reciprocally on the first mounting plate 21, the working barrel 2 is provided with a driving assembly 73 for driving the crank 72 to rotate. In this embodiment, the driving assembly 73 includes a cylinder 731 and a connecting rod 732, a through hole is formed in the first mounting plate 21 along the axis direction thereof, and a first connecting shaft is disposed at an end of the crank 72 away from the pressing roller and rotatably connected in the through hole. The connecting rod 732 is located on one side of the first mounting plate 21 away from the pressing roller 71, and the connecting rod 732 is provided with a second connecting shaft which is rotatably connected with the first connecting shaft. The connecting rod 732 is further provided with a second elastic member 733, the second elastic member 733 is a torsion spring, the torsion spring is sleeved on the second connecting shaft, one end of the torsion spring is fixedly connected with the first connecting shaft, and the other end of the torsion spring is fixedly connected with the second connecting shaft. After the compressing roller 71 compresses the capacitor, the link 732 can still have a rotation margin by the torsion spring, so that the compressing roller 71 can compress capacitors with different thickness sizes. The cylinder 731 is rotatably mounted on the first mounting plate 21, and a piston rod of the cylinder 731 is hinged to one end of the connecting rod 732 away from the second connecting shaft.

The implementation principle of the wrapping film type film capacitor winding machine in the embodiment of the application is as follows: in the production process of the capacitor, the working barrel 2 is rotated by the pioneer, when the working barrel 2 rotates to the capacitor film winding station 9, the roller 54 on the clamping pin 3 moves to the drop section 534 from the second straight section 532 of the guide piece 53 on the rack 1, under the action of the spring force, the sliding block 56 and the clamping pin 3 rapidly approach to the second mounting disc 22, and meanwhile, the strip-shaped hole 31 at the front end of the clamping pin 3 is clamped with the capacitor film.

After the clamp pin 3 is inserted into the insertion seat 61 on the second mounting plate 22, the second motor 62 is started to drive the insertion seat 61 to rotate, so that the clamp pin 3 starts to wind the capacitor film. After the winding of the capacitor film is completed, the second motor 62 is stopped, the first motor 41 is started, the working barrel 2 is driven to rotate on the frame 1, and the clamp pin 3 is moved to the protective film coating station 91 to stop. And stopping the first motor 41, pressing and cutting the capacitor film stretched between the two clamping needles 3 on the working barrel 2, and continuously clamping the capacitor film by the other clamping needle 3 on the front capacitor film winding station 9 to start winding work under the state that the capacitor film is pressed.

After the capacitor film on the supporting plate 8 is cut, the second motor 62 is continuously started to enable the clamp pin 3 to drive the capacitor to rotate, and a protective film is coated on the surface of the capacitor. After the coating of the protective film is completed, the second motor 62 is stopped, and the first motor 41 is continuously started to rotate the work cylinder 2. The upper clamp needle 3 of the working barrel 2 rotates to the capacitor winding station 9 from the protective film coating station 91, the roller 54 on the sliding block 56 slides to the second straight line section 532 from the first straight line section 531 along the smooth inclined end, meanwhile, the clamp needle 3 is far away from the second mounting disc 22, the clamp needle 3 is pulled out from the capacitor, the processed capacitor freely drops after the clamp needle 3 is pulled out, the capacitor with the protective film is attached, the protective film also plays a role in protecting the capacitor, and the yield of the capacitor is improved.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an outer envelope formula film capacitor winder which characterized in that: comprises a frame (1), a working barrel (2) is rotatably arranged on the frame (1), a first mounting disc (21) is fixedly connected to one end of the working barrel (2) in a coaxial mode, a second mounting disc (22) is fixedly connected to the other end of the working barrel (2) in a coaxial mode, a clamping needle (3) is arranged on the first mounting disc (21) in a penetrating mode along the axial sliding direction of the working barrel (2), at least two clamping needles (3) are arranged on the end portion, extending into the space between the first mounting disc (21) and the second mounting disc (22), of each clamping needle in a sliding direction of the corresponding clamping needle (3) and used for inserting a film, a supporting plate (8) used for supporting the film when the film is cut off is arranged between every two adjacent clamping needles (3), a first driving mechanism (4) used for driving the working barrel (2) to rotate intermittently is arranged on the frame (1), a second driving mechanism (5) for driving the clamping needle (3) to slide is arranged on the rack (1), and a third driving mechanism (6) for driving the clamping needle (3) to rotate is arranged on the working barrel (2); the second driving mechanism (5) comprises a first elastic piece (51), a shifting lever (52) and a guide sheet (53), the guide sheet (53) is fixedly connected to the rack (1), the guide sheet (53) is positioned on one side, away from the working cylinder (2), of the first mounting disc (21) and is coaxial with the first mounting disc (21), the side edge, away from the first mounting disc (21), of the guide sheet (53) comprises a first straight line section (531) and a second straight line section (532) which are gradually away from the first mounting disc (21) along the axial direction of the first mounting disc (21) and are parallel to each other, a smooth inclined surface transition section (533) is arranged between one end of the first straight line section (531) and one end of the second straight line section (532), a drop height section (534) parallel to the sliding direction of the needle clamping (3) is arranged between the other end of the first straight line and the other end of the second straight line, and the shifting lever (52) is connected with one end, away from the working cylinder (2), of the needle clamping pin (3), the shifting rod (52) is connected to the plate surface of the guide sheet (53) far away from the first mounting disc (21) in a sliding mode, and the first elastic piece (51) is used for driving the clamping needle (3) to be close to the second mounting disc (22).

2. The overwrap film capacitor winder of claim 1, wherein: the first driving mechanism (4) comprises a first motor (41), the first motor (41) adopts a servo motor, the first motor (41) is fixedly connected to the rack (1), and an output shaft of the first motor (41) and the working barrel (2) are in gear transmission.

3. The overwrap film capacitor winder of claim 1, wherein: the shifting lever (52) is rotatably provided with a roller (54), and the roller (54) is in rolling contact with the edge of the guide sheet (53) far away from the first mounting disc (21).

4. The overwrap film capacitor winder of claim 1, wherein: the mounting barrel (55) is coaxially and fixedly connected to the disc surface, away from the second mounting disc (22), of the first mounting disc (21), a sliding block (56) is connected to the inner wall of the mounting barrel (55) in a sliding mode along the sliding direction of the clamping needle (3), the clamping needle (3) is rotatably connected with the sliding block (56), a sliding groove (551) is formed in the mounting barrel (55) along the sliding direction of the sliding block (56), a shifting block (57) is fixedly connected to the sliding block (56), and the shifting block (57) is connected to the sliding groove (551) in a sliding mode.

5. The film capacitor winder of claim 1, wherein: third actuating mechanism (6) include bayonet socket (61) and second motor (62), bayonet socket (61) rotate to be connected on second mounting disc (22), bayonet socket (61) with press from both sides coaxial and the one-to-one of needle (3), bayonet socket (61) are close to the one end of first mounting disc (21) and offer and press from both sides two jack (63) that needle (3) are close to second mounting disc (22) one end shape adaptation, second motor (62) rigid coupling is on second mounting disc (22), the output shaft and the coaxial transmission of bayonet socket (61) of second motor (62) are connected.

6. The film capacitor winder of claim 5, wherein: the edge of the insertion hole (63) close to the first mounting disc (21) is provided with a first guide surface (631), and the edge of the clamp pin (3) close to one end of the second mounting disc (22) is provided with a second guide surface (32).

7. The overwrap film capacitor winder of claim 1, wherein: still be provided with hold-down mechanism (7) that are used for the laminating to press from both sides film on needle (3) on working barrel (2), hold-down mechanism (7) are including pinch roller (71) and crank (72), the one end of crank (72) is rotated and is connected on first mounting disc (21), pinch roller (71) are rotated and are connected the other end at crank (72), pinch roller (71) are parallel with pressing from both sides needle (3), be provided with on working barrel (2) and be used for driving about crank (72) reciprocating rotation's drive assembly (73).

8. The overwrap film capacitor winder of claim 7, wherein: the driving assembly (73) comprises a cylinder (731) and a connecting rod (732), the connecting rod (732) is connected with the crank (72), and the cylinder (731) is used for pushing the connecting rod (732) to rotate.

9. The overwrap film capacitor winder of claim 8, wherein: the connecting rod (732) is in rotary connection with the crank (72), and a second elastic piece (733) for driving the crank (72) to rotate so as to enable the pressing roller (71) to be close to the clamping needle (3) is arranged on the connecting rod (732).