An automatic wrapping device for capacitor cores

Abstract

The application relates to the technical field of wrapping devices, in particular to an automatic wrapping device for capacitor cores. The wrapping cylinder and the pressing platform are matched, the surface of the pressing platform is provided with an arc-shaped baffle, the arc-shaped baffle is better matched with the outer circumferential surface of the capacitor core, the wrapping is more compact, the two sticking plates in the sticking device are close to each other and extrude the connecting part of the lower layer film and the upper layer film when the pressing platform is lowered, the sticking of the lower layer film and the upper layer film is more compact, the capacitor core is tightly wrapped, and gaps between the capacitor core and the upper layer film and the lower layer film are avoided; the adjusting channel, the lower layer film shaft and the lower layer shell can be adjusted or replaced, so that the device can be matched with more specifications of capacitor cores, and the applicability of the device is enhanced.

Description

Technical Field

[0001] This invention relates to the field of packaging equipment technology, specifically to an automatic packaging equipment for capacitor cores. Background Technology

[0002] During capacitor core production, the main process involves spraying metal onto both ends of the capacitor core, a process known as gold plating. During gold plating, the outer periphery of the capacitor core needs to be wrapped with a thin film to prevent metal from splashing onto the outer surface and affecting performance. Existing capacitor core wrapping equipment uses a simple pressing or lifting method to bond the upper and lower films on both sides of the capacitor core. This often results in incomplete wrapping and weak adhesion between the upper and lower films, allowing metal to splash onto the periphery of the capacitor core during gold plating. Summary of the Invention

[0003] To address the aforementioned problems, this invention provides an automatic capacitor core wrapping device that uses a wrapping device and a bonding device to tightly wrap the capacitor core.

[0004] The technical solution adopted by this invention to solve its technical problem is: a capacitor core wrapping device, including a mounting frame, the mounting frame including a platform and mounting side plates, characterized in that it further includes:

[0005] A mold supply device is provided on the mounting side plate and is used to provide the upper and lower films for wrapping the capacitor core;

[0006] A core supply device is located on the platform and is used to separate and deliver the capacitor cores to be packaged one by one.

[0007] A pushing device is provided on the mounting side plate and is used to vertically push out the capacitor cores delivered by the core supply device. The pushing device is located at the end of the core supply device and on one side of the core supply device.

[0008] A wrapping device is provided on the mounting side plate and is used to wrap the upper and lower films provided by the mold supply device with the capacitor core pushed by the pusher device. The wrapping device includes a wrapping cylinder and a pressing platform located below the wrapping cylinder. The pressing platform can move up and down under the push of the wrapping cylinder.

[0009] A bonding device is provided on the mounting side plate and is used to bond the upper and lower films on the left and right sides of the wrapped capacitor core. The bonding device includes bonding plates located on both sides of the pressing platform. The tops of the two bonding plates are opposite each other and inclined upward with arc-shaped pressing edges. The two bonding plates can move closer or further apart under the drive of the bonding driving device. When the distance between the two bonding plates is the closest, the distance between the two arc-shaped pressing edges is less than the width of the pressing platform.

[0010] The pressing platform is vertically slidably connected to the mounting side plate on the side closest to the mounting side plate, and a pressing spring is provided at the bottom of the pressing platform. A spring base is fixed to the bottom of the pressing spring, and the spring base is fixedly connected to the mounting side plate.

[0011] The bonding drive device includes a dual-axis micro motor, with each of the two output shafts of the dual-axis micro motor being driven by a cylindrical cam. The cylindrical cam has a helical groove, within which a bonding slide column is slidably connected. Each bonding slide column has a bonding slider, and the side of each bonding slider closest to the bonding plate is connected to the bonding plate via a fixing column. Each bonding plate has a base support on its underside, and the side of the base support closest to the mounting side plate is fixed to the mounting side plate. The bottom of the bonding plate is horizontally slidably connected to the base support.

[0012] The wrapping device also includes a left platform and a right platform located on the left and right sides of the pressing platform, respectively. Each of the left and right platforms has an inverted L-shaped slot on the side opposite to the pressing platform. The two bonding plates are located in the two slots respectively.

[0013] The dual-axis micro motor is located between the pressing platform and the spring base, and is fixed to the mounting side plate via a motor mount; the bottom of the pressing platform is provided with a receiving groove, and when the pressing platform is pressed down by the wrapping cylinder, the dual-axis micro motor and the cylindrical cam can both be accommodated in the receiving groove.

[0014] The core supply device includes a vibratory feeder and a conveying channel; the conveying channel includes a conveyor belt and an adjusting channel, wherein one side of the discharge end of the adjusting channel and one side of the conveying end of the conveyor belt are spaced apart to form a pushing platform.

[0015] The feeding device includes a feeding slider and a feeding rod fixed on the feeding slider. The feeding slider is driven by a cam drive device to perform linear reciprocating motion, so as to realize the continuous feeding process of the capacitor core delivered by the core feeding device.

[0016] The die-feeding device includes two die-feeding assemblies arranged vertically, which are used to feed the upper and lower layers of film, respectively. Each die-feeding assembly includes a feeding wheel and several guide wheels. The upper die-feeding assembly also includes a lower die-pressing shaft located above the conveyor belt. A die-pressing spring mounting plate is vertically mounted on the mounting side plate. The lower die-pressing shaft is connected to the die-pressing spring mounting plate via a die-pressing spring. When the die-pressing spring is in the extended state, the distance between the lower die-pressing shaft and the conveyor belt is less than the diameter of the capacitor core. The lower die-feeding assembly also includes an upper die-lifting shaft rotatably connected to the mounting side plate. A gap is left between the wrapping platform and the conveyor belt to form a film-penetrating channel, allowing the lower layer of film to be laid flat on the surface of the wrapping device through the film-penetrating channel after being guided by the upper die-lifting shaft.

[0017] The pressing platform includes a pressing platform and a pressing shell sleeved on the top of the pressing platform. The left and right sides of the pressing shell are integrally formed with arc-shaped baffles facing upwards. When the capacitor core is located on the pressing platform, the structure of the arc-shaped baffles matches the outer peripheral surface structure of the capacitor core.

[0018] It also includes a receiving device, which includes a rotatable receiving wheel, and a receiving guide wheel is provided on the lower side of the receiving wheel near the end of the wrapping device; an arc-shaped guide plate is also provided on the side of the wrapping device near the receiving device.

[0019] The beneficial effects of this invention are as follows: Compared with the prior art, the automatic wrapping device for capacitor cores provided by this invention, through the cooperation of a wrapping cylinder and a pressing platform, with the surface of the pressing platform fitted with an arc-shaped baffle, better matches the outer circumference of the capacitor core, making the wrapping tighter; utilizing a bonding device in conjunction with the wrapping device, when the pressing platform descends, the two bonding plates in the bonding device approach and squeeze the connection between the lower and upper films, making the bonding between the lower and upper films tighter and forming a tight wrapping of the capacitor core, avoiding gaps between the capacitor core and the upper and lower films; the adjustable feed channel, pressing film shaft, and pressing shell are all adjustable or replaceable, so that this device can match more specifications of capacitor cores, enhancing the applicability of this device. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the overall isometric structure of the present invention;

[0022] Figure 2 for Figure 1 Enlarged structural diagram at point A;

[0023] Figure 3 for Figure 1 Enlarged structural diagram at point B;

[0024] Figure 4 This is a schematic diagram of the isometric structure from another angle;

[0025] Figure 5 for Figure 4 Enlarged structural diagram at point C;

[0026] Figure 6A schematic diagram of the structure of the fitting drive device;

[0027] Figure 7 This is a schematic diagram of the pressure platform.

[0028] In the diagram: 1. Platform; 10. Bolt; 11. Feeding wheel; 12. Guide wheel; 13. Pushing slider; 14. Pushing rod; 15. Lower pressure film shaft; 16. Pressure film spring mounting plate; 17. Pressure film spring; 18. Upper lifting film shaft; 19. Slide rod; 2. Mounting side plate; 20. End plate; 21. Cam; 22. Pushing spring; 23. Wrapping cylinder; 24. Lower pressure plate; 25. Left platform; 26. Right platform; 27. Lower pressure platform; 28. Lower pressure spring; 29. ​​Spring base; 3. Vibratory feeder 30. Lower pressing table; 31. Lower pressing shell; 32. Arc-shaped retaining edge; 33. Laminating plate; 34. Empty groove; 35. Arc-shaped pressing edge; 36. Dual-axis micro motor; 37. Columnar cam; 38. Spiral groove; 39. Laminating slider; 4. Conveying channel; 41. Base support; 42. Motor base; 43. Receiving groove; 44. Receiving wheel; 45. Receiving guide wheel; 46. Telescopic rod; 47. Arc-shaped guide plate; 5. Conveyor belt; 6. Adjusting channel; 7. Conveying side plate; 8. L-shaped connector; 9. Connecting groove. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of the present invention, but not all embodiments.

[0030] This invention provides an automatic capacitor core wrapping device, mainly comprising a film supply device, a core supply device, a pushing device, a wrapping device, a bonding device, and a receiving device. All of these devices are fixed to a mounting frame for secure installation. The core supply device continuously feeds capacitor cores towards the wrapping device. The film supply device provides an upper and lower film for wrapping the capacitor core, ensuring that the upper and lower films are distributed on the upper and lower sides of the core, respectively. The pushing device pushes the capacitor cores from the core supply device to the wrapping device. The wrapping device presses the upper and lower films together onto the upper and lower sides of the capacitor core. The bonding device, after the wrapping device has pressed the upper and lower films onto the capacitor core, bonds the lower film located on both sides of the capacitor core to the upper film, ensuring that the periphery of the capacitor core is tightly wrapped by the lower film, providing sufficient protection and preventing contamination of the periphery during subsequent gold spraying processes, thus ensuring that the product performance is not affected. The capacitor core strip, which is formed by the bonding of the upper film-capacitor core-lower film structure, is conveyed to the rotating receiving device for winding and receiving, so as to proceed to the next process.

[0031] The mounting frame includes a platform 1 and a mounting side plate 2 perpendicular to one side of the platform 1. The core feeding device includes a vibratory plate 3 located on the top surface of the platform 1 and a conveying channel 4. The conveying channel 4 is connected to the outlet end of the vibratory plate 3, so that the capacitor core separated by the vibratory plate 3 can enter the conveying channel 4 and be conveyed to the pushing device.

[0032] The conveying channel 4 includes a conveyor belt 5 and an adjusting channel 6. The adjusting channel 6 consists of two parallel conveying side plates 7. The two conveying side plates 7 are arranged parallel to each other above the top surface of the conveyor belt 1. A small gap is left between the bottom of the two conveying side plates 7 and the conveyor belt, and the distance between the two conveying side plates can be adjusted to match various capacitor cores of different specifications.

[0033] The pushing device and the wrapping device are located on both sides of the conveying channel 4, so that the pushing device can vertically push the capacitor core on the conveying channel toward the wrapping device.

[0034] One of the conveyor side plates 7 is fixed to the frame of the conveyor belt 5, and the other conveyor side plate 7 is movable. The movable conveyor side plate 7 is fixed to the fixed conveyor side plate 7 by an L-shaped connector 8. The L-shaped connector 8 is provided with a connecting groove 9 with one end open. The movable conveyor side plate 7 is threaded with a bolt 10. The bolt 10 passes through the connecting groove 9 and the head of the bolt 10 is engaged with the top surface of the L-shaped connector 8, so as to fix and adjust the distance between the two conveyor side plates 7 by using the L-shaped connector 8.

[0035] The film supply device is mounted on the mounting side plate 2 and includes two film supply assemblies arranged vertically. The two film supply assemblies are used to supply the upper film and the lower film, respectively. The film supply assembly includes a supply roller 11 located on the side of the mounting side plate 2 away from the conveying channel 4. Several guide rollers 12 are also provided on the side of the supply roller 11 closer to the conveying channel 4. The film sleeves of the upper film and the lower film are sleeved on the supply roller 11. The protruding ends of the upper film and the lower film are wound around the guide rollers 12 and extend towards the conveying channel 4 so as to wrap the capacitor core conveyed from the conveying channel 4.

[0036] The pushing device is mounted on the mounting side plate 2. The pushing device includes a pushing slider 13 perpendicular to the conveying direction of the capacitor core and a pushing rod 14 at the end of the pushing slider 13. A gap is left between one side of the discharge end of the adjusting channel 6 and one side of the conveying end of the conveyor belt 5 to form a pushing platform, so that the capacitor cores transmitted from the end of the adjusting channel 6 can be radially pushed into the wrapping device under the action of the pushing rod 14.

[0037] The pusher rod 14 is located on the top surface of the conveyor belt 5 at the end of the conveyor belt and is set vertically relative to the conveyor belt 5. The pusher slider 13 is slidably mounted on the mounting side plate 2 and can perform horizontal linear reciprocating motion relative to the conveyor belt 5 to push the capacitor cores conveyed from the conveyor channel 4. When a capacitor core is conveyed to the station where the pusher device is located, the pusher rod 14 advances to push the capacitor core to the wrapping device for wrapping.

[0038] In this invention, the pusher slider 13 is slidably connected to the mounting side plate 2 via a slide rod 19 parallel to the mounting side plate 2. The end of the slide rod 19 is fixed to the mounting side plate 2 via an end plate 20. The pusher slider 13 is driven by a cam drive device to perform linear reciprocating motion. The cam drive device includes a drive motor (not shown in the figure) fixed on the mounting side plate 2. A cam 21 is driven and connected to the output wheel of the drive motor. The plane of the cam 21 is parallel to the plane of the mounting side plate 2. A contact shaft (not shown in the figure) is vertically fixed on the side of the pusher slider 13 facing the mounting side plate 2. The peripheral side of the cam 21 is in contact with the peripheral side of the contact shaft. A pusher spring 22 is connected between the pusher slider 13 and the end plate 20. When the cam 21 rotates, it can drive the pusher slider 13 to perform linear reciprocating motion through the contact shaft, realizing a continuous pushing process.

[0039] As an alternative implementation, the push rod 14 can also be driven by a device such as a cylinder, an electric telescopic rod, or a lead screw slide module to achieve linear reciprocating motion.

[0040] The upper mold-feeding device also includes a lower pressure film shaft 15 positioned above the conveyor belt 5. The lower pressure film shaft 15 is located above the conveyor belt 5 and its vertical position is lower than that of several guide wheels 12. After passing the guide wheels 12, the upper film passes through the lower pressure film shaft 15 and exits to the wrapping device. A pressure spring mounting plate 16 is vertically mounted on the mounting side plate 2. The lower pressure film shaft 15 is connected to the pressure spring mounting plate 16 via a pressure spring 17. When the pressure spring 17 is extended, the distance between the lower pressure film shaft 15 and the conveyor belt 5 is less than the diameter of the capacitor core. This allows the lower pressure film shaft 15 to move up and down under the pressure spring 17 as the capacitor core passes below it, resulting in a tighter fit between the upper film and the capacitor core. Furthermore, the elastically connected lower pressure film shaft 15 can accommodate various capacitor cores of different specifications.

[0041] The lower mold supply device also includes an upper film lifting shaft 18 rotatably connected to the mounting side plate 2. The upper film lifting shaft 18 is located below the conveyor belt 5, so that the lower film passes through the upper side of the upper film lifting shaft 18 to the wrapping device after being guided by several guide wheels 12.

[0042] The wrapping device includes a wrapping cylinder 23 vertically fixed on the mounting side plate 2. The wrapping cylinder 23 is located on the side of the conveyor belt 5 away from the pushing device. The bottom of the piston rod of the wrapping cylinder 23 is detachably connected to a lower pressure plate 24. A wrapping platform is provided below the wrapping cylinder 23, including a left platform 25 and a right platform 26. The top surfaces of the left platform 25 and the right platform 26 are flush with the top surface of the conveyor belt 5. A gap is left between the left platform 25 and the conveyor belt 5 to form a film-penetrating channel. The lower film, which passes through the lifting film shaft 18, enters the top surface of the wrapping platform through the film-penetrating channel. All parts of the film-penetrating channel are rounded to avoid tearing or damaging the lower film.

[0043] A pressing platform 27 is provided between the left platform 25 and the right platform 26. The pressing platform 27 is located directly below the wrapping cylinder 23, and the pressing platform 27 can move up and down, so that the wrapping cylinder 23 can press the pressing platform 27 down to a height lower than the left platform 25 and the right platform 26.

[0044] The pressing platform 27 is vertically slidably connected to the mounting side plate 2 on the side closest to the mounting side plate 2. A pressing spring 28 is provided at the bottom of the pressing platform 27. A spring base 29 is fixed at the bottom of the pressing spring 28. The spring base 29 is fixedly connected to the mounting side plate 2. When the pressing platform 27 is not under the pressure of the wrapping cylinder 23, the height of the top surface of the pressing platform 27 is not higher than the height of the left platform 25 and the right platform 26, so as to avoid the pressing platform 27 from obstructing the passage of the capacitor core.

[0045] When the capacitor core passes through the wrapping device, the lower and upper films are conveyed to the wrapping device by the mold feeding assembly. The lower film is in direct contact with the top surface of the wrapping platform. Several capacitor cores are continuously pushed by the pusher rod 14 between the lower film on the wrapping platform and the upper film guided by the pressure film shaft. Then, they pass through the pressure platform 27. At this time, the wrapping cylinder 23 drives the pressure plate 24 to press down, which compresses the pressure spring 28 at the bottom of the pressure platform 27, forming pressure between the lower film, the capacitor core and the upper film, so that the upper and lower films are adhered tightly to the surface of the capacitor core.

[0046] The pressing platform 27 includes a pressing stage 30 and a pressing shell 31 fitted onto the top of the pressing stage 30. The pressing shell 31 has integrally formed, upward-facing arc-shaped flanges 32 on both its left and right sides. When the capacitor core is located on the pressing stage 30, the structure of the arc-shaped flanges 32 precisely matches the outer circumferential structure of the capacitor core, allowing the pressing shell 31 to more tightly wrap around the capacitor core. The pressing shell 31 has various widths and arc dimensions to match various capacitor core specifications, enabling the pressing shell 31 to better wrap around capacitor cores of different specifications.

[0047] The bonding device is used to tightly bond the wrapped lower film to the upper film, thereby sealing both sides of the capacitor core. The bonding device includes two vertically and parallelly arranged bonding plates 33, which are respectively located on the left and right sides of the pressing platform 27. Each of the left platform 25 and right platform 26 has an inverted L-shaped slot 34 on the side opposite to the pressing platform 27, and the two bonding plates 33 are located within the two slots 34. The top of each bonding plate 33 is integrally formed with an arc-shaped pressing edge 35, which is arranged opposite to each other. The distance between the two arc-shaped pressing edges 35 and the pressing platform 27 is exactly equal to the diameter of the capacitor core. Under the action of the bonding drive device, the two bonding plates 33 can move closer or further apart, so that when the capacitor core is pressed down or lifted, the two bonding plates 33 can be housed inside the slots 34, preventing them from obstructing the pressing process of the capacitor core.

[0048] When the capacitor core is pressed down to the appropriate position, the two bonding plates 33 approach each other and move out of the slot 34. As the two bonding plates 33 continuously approach each other, the arc-shaped pressing edge 35 of the bonding plates 33 continuously compresses and bonds the upper and lower films. After the two bonding plates 33 complete the bonding of the upper and lower films, the wrapping cylinder 23 is lifted, and the pressing platform 27 returns to its original position. The bonded product continues to move under the continuous traction of the receiving device, thereby completing the wrapping and bonding of the next capacitor core, and so on.

[0049] To ensure a good bonding effect, the curved edge 35 is set at an angle upward for bonding, and when the two bonding plates 33 are closest, the distance between the two curved edges is less than the width of the lower pressing platform, so as to enable tight bonding of the upper and lower films.

[0050] In this invention, the bonding drive device is located between two bonding plates 33. The bonding drive device includes a dual-axis micro motor 36, whose two output shafts are respectively connected to cylindrical cams 37. A spiral groove 38 is formed on the outer periphery of the cylindrical cam 37, and a bonding slide column (not shown in the figure) is slidably connected within the spiral groove 38. A bonding slider 39 is connected to the end of the bonding slide column opposite to the cylindrical cam 37. Each bonding slider 39 is fixedly connected to the bonding plate 33 on the side closest to it via a fixing post 40. A base support 41 is provided on the lower side of each bonding plate 33, and the base support is fixed to the mounting side plate 2 on the side closest to it. The bottom of the bonding plate 33 is horizontally slidably connected to the base support 41 through the cooperation of the slider and the groove, so that when the bonding drive device drives the two bonding plates 33 to move, it can ensure that the two bonding plates 33 and the bonding slider 39 move in a stable linear motion.

[0051] When the dual-axis micro motor 36 drives the cylindrical cam 37 to rotate, it can drive the two bonding plates 33 to perform continuous linear reciprocating motion through the bonding slider 39, so as to achieve tight bonding between the lower film and the upper film in conjunction with the pressing process of the bonding cylinder 23.

[0052] A dual-axis micro motor 36 is positioned between the pressing platform 27 and the spring base 29, and is fixed to the mounting side plate 2 via a motor mount 42. In actual operation, its position needs to be adjusted according to the lowest pressing position of the pressing platform 27 to prevent collision between the dual-axis micro cylinder 36 and the pressing platform 27. In this invention, a receiving groove 43 is formed in the recessed bottom of the pressing platform 27. When the pressing platform 27 is pressed down, both the dual-axis micro motor 36 and the cylindrical cam 37 can be accommodated within the receiving groove 43 to prevent collision during the descent of the pressing platform 27.

[0053] The receiving device includes a rotatable receiving wheel 44 to achieve receiving traction, and a receiving guide wheel 45 is provided on the lower side of the receiving wheel 44 near the wrapping device to achieve receiving guidance.

[0054] Second embodiment:

[0055] The difference between this embodiment and the first embodiment is that a telescopic rod 46 is connected to the inner side of the pressure spring 17. The top end of the telescopic rod 46 is fixed to the pressure spring mounting plate 16, and the bottom end of the telescopic rod 46 is fixed to the lower pressure shaft 15.

[0056] Third embodiment:

[0057] The difference between this embodiment and the second embodiment is that:

[0058] An arc-shaped guide plate 47 is also provided on the right platform 26 near the receiving device. The arc-shaped guide plate 47 is set at an angle downward. After the product is properly attached, it passes through the arc-shaped guide plate 47 and is then passed through the underside of the receiving guide wheel 45 and wrapped around the receiving wheel 44 to complete the receiving process. This achieves full automation without the need for manual intervention.

[0059] The above-described specific embodiments are merely specific examples of the present invention. The patent protection scope of the present invention includes, but is not limited to, the product form and style of the above-described specific embodiments. Any appropriate changes or modifications made by a person skilled in the art that conform to the claims of the present invention should fall within the patent protection scope of the present invention.

Claims

1. A capacitor core wrapping device, comprising a mounting frame, the mounting frame including a platform (1) and mounting side plates (2), characterized in that, Also includes: A mold supply device is provided on the mounting side plate (2) and is used to provide the upper and lower films that wrap the capacitor core; A core supply device is provided on the platform (1) and is used to separate and transport the capacitor cores to be wrapped one by one; A pusher device is provided on the mounting side plate (2) and is used to push out the capacitor core delivered by the core supply device vertically. The pusher device is located at the end of the core supply device and on one side of the core supply device. A wrapping device is provided on the mounting side plate (2) and is used to wrap the upper and lower films provided by the mold supply device with the capacitor core pushed by the pusher device. The wrapping device includes a wrapping cylinder (23) and a pressing platform (27) located below the wrapping cylinder (23). The pressing platform (27) can move up and down under the push of the wrapping cylinder (23). A bonding device is provided on the mounting side plate (2) and is used to bond the upper and lower films on the left and right sides of the wrapped capacitor core. The bonding device includes bonding plates (33) located on both sides of the pressing platform (27). The tops of the two bonding plates (33) are opposite each other and inclined upward with arc-shaped pressing edges (35). The two bonding plates (33) can move closer or further apart under the drive of the bonding driving device. When the distance between the two bonding plates (33) is closest, the distance between the two arc-shaped pressing edges (35) is less than the width of the pressing platform (27). The pressing platform (27) is vertically slidably connected to the mounting side plate (2) on the side closest to the mounting side plate (2), and a pressing spring (28) is provided at the bottom of the pressing platform (27). A spring base (29) is fixed at the bottom of the pressing spring (28), and the spring base (29) is fixedly connected to the mounting side plate (2). The bonding drive device includes a dual-axis micro motor (36), and the two output shafts of the dual-axis micro motor (36) are respectively connected to a cylindrical cam (37); the cylindrical cam (37) is provided with a spiral groove (38), and a bonding slide column is slidably connected in the spiral groove (38); the bonding slide column is provided with a bonding slider (39), and each bonding slider (39) is connected to the bonding plate (33) via a fixed column on the side near the bonding plate (33); a base support (41) is provided on the lower side of each bonding plate (33), and the side of the base support (41) near the mounting side plate (2) is fixed to the mounting side plate (2); the bottom of the bonding plate (33) is horizontally slidably connected to the base support (41). The dual-axis micro motor (36) is located between the pressing platform (27) and the spring base, and is fixed to the mounting side plate (2) by the motor base (42); the bottom of the pressing platform (27) is provided with a receiving groove (43), and when the pressing platform (27) is pressed down by the wrapping cylinder (23), the dual-axis micro motor (36) and the cylindrical cam (37) can both be accommodated in the receiving groove (43); The pressing platform (27) includes a pressing platform (30) and a pressing shell (31) sleeved on the top of the pressing platform (30). The left and right sides of the pressing shell (31) are integrally formed with arc-shaped baffles (32) facing upward. When the capacitor core is located on the pressing platform (30), the structure of the arc-shaped baffles (32) matches the outer peripheral surface structure of the capacitor core.

2. The capacitor core wrapping device according to claim 1, characterized in that: The wrapping device also includes a wrapping platform, which includes a left platform (25) and a right platform (26) located on the left and right sides of the pressing platform (27), respectively. The left platform (25) and the right platform (26) are each provided with an inverted L-shaped slot (34) on the side opposite to the pressing platform (27); the two bonding plates (33) are located in the two slots (34) respectively.

3. The capacitor core wrapping device according to claim 1, characterized in that: The core supply device includes a vibratory plate (3) and a conveying channel (4); the conveying channel (4) includes a conveyor belt (5) and an adjusting channel (6), wherein one side of the discharge end of the adjusting channel (6) and one side of the conveying end of the conveyor belt (5) are spaced apart to form a pushing platform.

4. The capacitor core wrapping device according to claim 3, characterized in that: The feeding device includes a feeding slider (13) and a feeding rod (14) fixed on the feeding slider (13). The feeding slider (13) is driven by a cam drive device to perform linear reciprocating motion so as to realize the continuous feeding process of the capacitor core delivered by the core supply device.

5. The capacitor core wrapping device according to claim 2, characterized in that: The mold supply device includes two mold supply assemblies arranged vertically, which are used to supply the upper and lower layers of film respectively. The mold supply assembly includes a feeding wheel (11) and several guide wheels (12). The upper mold supply assembly also includes a lower pressing shaft (15) located above the conveyor belt (5). A pressure spring mounting plate (16) is vertically provided on the mounting side plate (2). The lower pressing shaft (15) is connected to the pressure spring mounting plate (16) through a pressure spring (17). When the pressure spring (17) is in the extended state, the distance between the lower pressing shaft (15) and the conveyor belt (5) is less than the diameter of the capacitor core. The lower mold supply assembly also includes an upper lifting shaft (18) rotatably connected to the mounting side plate (2). A gap is left between the wrapping platform and the conveyor belt (5) to form a film penetration channel, so that the lower layer of film can be laid flat on the surface of the wrapping device through the film penetration channel after being guided by the upper lifting shaft (18).

6. The capacitor core wrapping device according to claim 1, characterized in that: It also includes a receiving device, which includes a rotatable receiving wheel (44), and a receiving guide wheel (45) is provided on the lower side of the receiving wheel (44) near the end of the wrapping device; an arc-shaped guide plate (47) is also provided on the side of the wrapping device near the receiving device.

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