Film winding device for capacitor production

Abstract

The utility model relates to the technical field of thin film capacitor production, in particular to a thin film winding device for capacitor production, which comprises a substrate and the like. The base plate is a hollow frame body and is an assembly carrier of the device; the shell is fixedly arranged and covers the front side plate surface of the base plate; the feeding device comprises a base plate and further comprises a discharging roller which is rotationally installed on one side of the plate face of the base plate, the discharging roller is used for unwinding a thin film, a first motor is fixedly installed at the corresponding position in a frame body of the base plate, and an output shaft of the first motor penetrates through the base plate and the discharging roller. By adopting the design of the square blanking roller body, a more stable supporting surface is provided, the possibility of sliding of a film is reduced, each layer of film is ensured to be tightly attached, the winding precision and the consistency of finished products are remarkably improved, and a clamping piece is matched to effectively prevent a film roll from moving on the blanking roller, so that the production efficiency is improved. And the adjusting piece allows the position of the limiting plate to be flexibly adjusted according to different film widths, so that the films of various specifications can be well treated.

Description

TECHNICAL FIELD

[0001] The utility model relates to thin film capacitor production technical field especially relates to a capacitor production is with thin film winding device. BACKGROUND

[0002] With the rapid progress of microelectronic technology, optoelectronic technology and power electronic technology, the application range of dielectric film in various electronic component manufacturing continues to expand, from laminated chip capacitor and chip resistor, to piezoelectric device, infrared detection device, fuel cell, solar cell, and even multilayer packaging of integrated circuit, dielectric film can be seen in almost every field, and the performance requirements of capacitor are getting higher and higher, and as one of the important factors affecting the electrical characteristics of capacitor, the quality and winding precision of dielectric film are particularly important.

[0003] In the traditional capacitor manufacturing process, the winding of thin film often depends on manual operation or simple mechanical assistance, which not only has low efficiency, but also is difficult to ensure the consistency and stability of each product due to human factors. In addition, manual film winding also increases production cost, because more manpower is needed, and workers are prone to fatigue after long hours of work, leading to fluctuations in product quality. Although there are some automated film winding devices on the market, these devices usually have problems such as unstable winding process, low yield, and expensive equipment, which limits their widespread application. Therefore, we propose a capacitor production thin film winding device to overcome the above-mentioned defects. SUMMARY

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a capacitor production thin film winding device.

[0005] The technical implementation scheme of the utility model discloses a film winding device for capacitor production, which comprises a base plate and a shell, the base plate is a hollow frame and is the assembly carrier of the device, and the shell is fixedly arranged on the front side plate surface of the base plate.

[0006] Optionally, the unloading roller is a square roller body, a supporting plate is fixedly arranged on the base plate, the supporting plate is rotatably supported on the connecting rotating shaft between the output shaft of the motor and the unloading roller, the square unloading roller can provide a more stable supporting surface, and the supporting plate further stabilizes the unloading roller, thereby providing more uniform pressure distribution for the film during the winding process, reducing the possibility of film slipping and improving the winding precision.

[0007] Optionally, the clamping part comprises a sliding sleeve, a plurality of groups of the sliding sleeves are embedded in the winding surface of the unloading roller, a clamping rod is slidably arranged in each sliding sleeve, the outer end of the clamping rod exposed to the outside of the unloading roller is a spherical top surface, a spring is arranged between the sliding sleeve and the clamping rod, and the clamping rod is stably positioned on the film roll of the unloading roller under the action of the spring.

[0008] Optionally, the adjusting part comprises a motor, the motor is fixedly installed in the end recess of the unloading roller, a threaded rod is installed on the output shaft of the motor, a driving rod is fixedly connected to the side surface of the limiting plate close to the threaded rod, the driving rod and the threaded rod are screw-fitted, the motor drives the driving rod and the limiting plate to slide on the guide roller through the threaded rod, and thus the limiting plate can be adapted to films with different widths.

[0009] Optionally, the tensioning assembly comprises guide rods fixed on the base plate, the guide rods are parallel to each other, mounting plates are slidably connected to the guide rods, springs two are arranged between the guide rods and the mounting plates, the springs two have a tendency to pull the mounting plates downward, the mounting plates are provided with two parallel tensioning rollers, and the tensioning rollers are used for guiding and tensioning the film.

[0010] Optionally, the mounting plates are provided with motors two and bidirectional screws, the motors two are symmetrically fixed on the mounting plates, the bidirectional screws are mounted on output shafts of the motors two, the two tensioning rollers are connected to each other through connecting rods and bidirectional threads of the bidirectional screws, the motors two adjust the distance between the two tensioning rollers through the bidirectional screws, so that the tensioning operation of different films is adapted.

[0011] Optionally, the base plate is provided with a protective shell on the plate surface, the protective shell shields the cutting blade, the protective shell is used for hiding the cutting blade, improves the safety of the cutting blade in the non-cutting state, and prolongs the service life of the cutting blade.

[0012] Optionally, the base plate is provided with a protective shell on the plate surface, the protective shell shields the cutting blade, the protective shell is used for hiding the cutting blade, improves the safety of the cutting blade in the non-cutting state, and prolongs the service life of the cutting blade.

[0013] The utility model discloses the beneficial effect of having:

[0014] 1, the utility model discloses a square blanking roller body design provides more stable support surface reduces the possibility of film slip, ensures every layer film close adhesion, significantly improves the precision of winding and the consistency of finished product, and cooperation clamping piece effectively prevents the movement of film roll on the blanking roller, and the adjusting piece allows the position of the limiting plate to be adjusted flexibly according to different film widths, ensuring that various specifications of films can be well treated.

[0015] 2, the tensioning assembly of the utility model combines spring two and electric push rod two, can elastically support and adjust the tightness of film, not only guaranteeing proper tension in the winding process, but also adapting to the film demand of different thickness and material.

[0016] 3, the utility model discloses the setting protection cutting blade of protective shell, hides cutting blade in the non - working state, avoids accidental injury, also reduces the wear and tear of cutting blade, prolongs its service life. DRAWINGS

[0017] Figure 1 It is the three -dimensional structure schematic diagram of the utility model.

[0018] Figure 2The utility model discloses a position relation drawing of blanking roller, winding roller, bracing roller and cutting blade.

[0019] Figure 3 The utility model discloses the connection relation drawing of base plate, guide roller and bracing roller etc.

[0020] Figure 4 The utility model discloses the three -dimensional structure schematic diagram of motor one, blanking roller, support board and clamping rod.

[0021] Figure 5 The utility model discloses the schematic drawing of sliding sleeve, clamping rod and spring one.

[0022] Figure 6 The utility model discloses the schematic drawing of guide roller, limit board, motor one, screw rod and drive rod.

[0023] Figure 7 The utility model discloses the schematic drawing of mounting plate, motor two, bidirectional screw rod and bracing roller cooperation relation.

[0024] The meaning of the reference numeral in the drawing: 1-base plate, 2-casing, 3-motor one, 4-blanking roller, 41-support board, 5-sliding sleeve, 6-clamping rod, 7-spring one, 8-film, 9-winding roller, 91-motor two, 11-guide roller, 12-limit board, 13-motor one, 14-screw rod, 141-drive rod, 15-guide rod, 16-spring two, 17-mounting plate, 18-motor two, 19-bidirectional screw rod, 20-bracing roller, 21-cylinder one, 22-cutting blade, 23-protective shell, 24-electric push rod two. DETAILED DESCRIPTION

[0025] The utility model will be further explained below in connection with the drawings and specific embodiment.

[0026] A kind of film winding device for capacitor production, such as Figures 1-3As shown, including the substrate 1 and the shell 2, the substrate 1 is hollow frame and is the assembly carrier of the device, the shell 2 is fixed and covers the front side of the substrate 1; also includes: the blanking roll 4, rotatably mounted on the side of the substrate 1, the blanking roll 4 is used for unwinding film 8, the corresponding place in the substrate 1 frame is fixedly installed with motor one 3, the output shaft of motor one 3 penetrates the substrate 1 and the blanking roll 4; the winding surface of the blanking roll 4 is provided with a clamping piece for limiting film 8; winding roller 9, rotatably mounted on the other side of the substrate 1, the blanking roll 4 is used for winding film 8, the corresponding place in the substrate 1 frame is fixedly installed with motor two 91, the output shaft of motor two 91 penetrates the substrate 1 and winding roller 9; guide roller 11, provided with a plurality of and interval rotation is arranged on the surface of the substrate 1, a plurality of guide rollers 11 are alternately distributed between the blanking roll 4 and the winding roller 9; limit plate 12, slidingly arranged on each guide roller 11, the limit plate 12 is used for limiting and adapting to different width of film 8, the end of the guide roller 11 is provided with an adjusting member for adjusting the position of the limit plate 12; cylinder one 21, fixedly installed on the substrate 1, cylinder one 21 is located between the guide roller 11 and the winding roller 9; cutting blade 22, fixedly installed on the telescopic rod of cylinder one 21, cutting blade 22 is used for cutting off the film 8 wound on the winding roller 9; tensioning assembly, arranged on the substrate 1 between the guide roller 11 and the cutting blade 22, the tensioning assembly is used for adjusting the tightness of the film 8; the blanking roll 4 is a square roller body, the substrate 1 is fixedly provided with a support plate 41, the support plate 41 is rotatably supported on the connecting shaft between the output shaft of motor one 3 and the blanking roll 4, the square blanking roll 4 can provide more stable support surface, and the support plate 41 further stabilizes the blanking roll 4, provides more uniform pressure distribution for the film 8 in the winding process, reduces the possibility of film 8 slip, improves the winding precision.

[0027] As Figure 2 , Figure 4 and Figure 5 shown, the clamping piece includes a sliding sleeve 5, the sliding sleeve 5 is provided with a plurality of groups and is respectively embedded on the winding surface of the blanking roll 4, a clamping rod 6 is slidingly arranged in each sliding sleeve 5, the outer exposed end of the clamping rod 6 is a spherical top surface, a spring one 7 is arranged between the sliding sleeve 5 and the clamping rod 6, the clamping rod 6 is stably limited on the film 8 wound on the blanking roll 4 under the action of the spring one 7.

[0028] As Figure 2 and Figure 6 shown, the adjusting member includes a motor one 13, the motor one 13 is fixedly installed in the end recess of the blanking roll 4, a threaded rod 14 is installed on the output shaft of the motor one 13, a driving rod 141 is fixedly connected on the side of the limit plate 12 close to the threaded rod 14, the driving rod 141 and the threaded rod 14 are screw adapted, the motor one 13 drives the driving rod 141 and the limit plate 12 to slide on the guide roller 11 through the threaded rod 14, so that the limit plate 12 can adapt to different width of film 8.

[0029] As Figure 1 , Figure 2 and Figure 7 shown, the tensioning assembly includes a guide rod 15 fixed on the base plate 1, the guide rod 15 is provided in parallel with two, the guide rod 15 is slidably connected with the mounting plate 17, the spring 16 is arranged between the guide rod 15 and the mounting plate 17, the spring 16 has the tendency to pull down the mounting plate 17, the mounting plate 17 is provided with two parallel tensioning rollers 20, the tensioning roller 20 is used to guide and tension the film 8.

[0030] As Figure 7 shown, the mounting plate 17 is provided with a motor 18 and a bidirectional screw rod 19, the motor 18 is provided with two and symmetrically fixed on the mounting plate 17, the output shaft of the motor 18 is provided with a bidirectional screw rod 19, the two tensioning rollers 20 are matched with each other through the connecting handle and the bidirectional screw thread on the bidirectional screw rod 19, the motor 18 adjusts the distance between the two tensioning rollers 20 through the bidirectional screw rod 19, so as to adapt to the tensioning operation of different films 8.

[0031] As Figures 1-3 shown, the base plate 1 is provided with a protective shell 23 on the plate surface, the protective shell 23 is shielded at the cutting blade 22, the protective shell 23 is used for hiding the cutting blade 22, improving the safety of the cutting blade 22 when not cutting, and improving the service life of the cutting blade 22.

[0032] As Figure 2 and Figure 7 shown, it also includes an electric push rod 24, the electric push rod 24 is fixed on the base plate 1 close to the mounting plate 17, the top of the telescopic rod of the electric push rod 24 contacts and abuts against the bottom of the mounting plate 17, the electric push rod 24 is used for adjusting the tensioning position of the tensioning roller 20 to the film 8, and the spring 16 is matched to make the tensioning roller 20 can elastically support the film 8.

[0033] When the film 8 is wound by using the device, first, the film 8 to be wound is installed on the unwinding roller 4, the unwinding roller 4 is designed in a square shape and is connected through the support plate 41 and the output shaft of the motor 1, so that stable and uniform pressure distribution can be provided during the operation, and the possibility of film 8 slipping is reduced, in order to stably fix the film 8 roll, a plurality of clamping pieces are arranged on the winding surface of the unwinding roller 4, each clamping piece is composed of a sliding sleeve 5 and a clamping rod 6 with an embedded spring 1, the end of the clamping rod 6 is a spherical top surface, and under the action of the spring, the clamping rod 6 can tightly clamp the film 8 roll, so as to prevent the film 8 roll from loosening during unwinding, with the rotation of the unwinding roller 4 driven by the motor 3, the film 8 is gradually unwound from the unwinding roller 4, a plurality of guide rollers 11 are alternately arranged on the base plate 1 in a predetermined path, for guiding the film 8 to be smoothly transmitted to the winding roller 9, each guide roller 11 is provided with a slidable limiting plate 12, the positions of the limiting plates 12 can be adjusted by rotating the threaded rod 14 driven by the motor 13, so as to adapt to the film 8 with different widths, and the position accuracy of the film 8 during the whole transmission process is ensured, after the film 8 passes through the guide rollers 11, the film 8 passes through two tensioning rollers 20, the tensioning rollers 20 not only play a guiding role, but also maintain appropriate tension through the elastic force provided by the spring 2, so that the winding quality of the film 8 is not affected due to being too loose or too tight, in addition, the two motors 2 on the mounting plate 17 drive the bidirectional screw rods 19 respectively, so that the distance between the two tensioning rollers 20 can be adjusted, so as to adapt to the film 8 with different thicknesses and materials, finally, the winding roller 9 rotates and winds the treated film 8 under the driving of the motor 2, during the whole process, the electric push rod 2 can adjust the tensioning position of the tensioning roller 20 to the film 8 as needed, and cooperates with the spring 2 to realize the elastic support of the film 8, so as to ensure the stability and consistency of the film 8 during the winding process, when the film 8 completes the winding of the preset length, the cylinder 1 located on one side of the winding roller 9 acts and intermittently pushes the cutting blade 22 to extend, so as to cut the wound film 8, in order to protect the cutting blade 22 and improve the service life of the cutting blade 22, the protective shell 23 is arranged on the surface of the base plate 1 and covers the cutting blade 22, so that the cutting blade 22 is hidden in a non-working state, and damage or injury caused by accidental contact is avoided.

[0034] The above embodiments are only preferred embodiments of the present application, and are not used to limit the application scope of the present application, so that equivalent changes made according to the content described in the present application claims should be included in the present application claim scope.

Claims

1. A film winding device for capacitor production, comprising a base plate (1) and a shell (2), the base plate (1) being a hollow frame, and the shell (2) being fixed and covering the front side surface of the base plate (1); characterized in that further It comprises: a feeding roller (4) rotatably mounted on one side of the plate surface of the base plate (1), a motor (3) fixedly mounted in the corresponding position inside the base plate (1) frame, and the output shaft of the motor (3) penetrating the base plate (1) and the feeding roller (4); a clamping part provided on the winding surface of the feeding roller (4) for limiting the film (8); a winding roller (9) rotatably mounted on the other side of the plate surface of the base plate (1), a motor (91) fixedly mounted in the corresponding position inside the base plate (1) frame, and the output shaft of the motor (91) penetrating the base plate (1) and the winding roller (9); a plurality of guide rollers (11) rotatably arranged on the plate surface of the base plate (1) at intervals, and the plurality of guide rollers (11) being alternately distributed above and below between the feeding roller (4) and the winding roller (9); a limiting plate (12) slidably arranged on each of the guide rollers (11), and the end of the guide roller (11) being provided with an adjusting part for adjusting the position of the limiting plate (12); a cylinder (21) fixedly mounted on the base plate (1), and the cylinder (21) being located between the guide roller (11) and the winding roller (9); a cutting blade (22) fixedly mounted on the telescopic rod of the cylinder (21); a tensioning assembly provided on the base plate (1) between the guide roller (11) and the cutting blade (22), and the tensioning assembly being used for adjusting the tightness of the film (8).

2. The film winding apparatus for producing a capacitor according to claim 1, wherein The feeding roller (4) is a square roller body, a supporting plate (41) is fixedly arranged on the base plate (1), and the supporting plate (41) is rotatably supported on the connecting shaft between the output shaft of the motor (3) and the feeding roller (4).

3. The film winding apparatus for producing a capacitor according to claim 2, wherein The clamping part comprises a sliding sleeve (5), a plurality of groups of the sliding sleeve (5) are respectively embedded on the winding surface of the roller body of the feeding roller (4), a clamping rod (6) is slidably arranged in each of the sliding sleeves (5), and a spring (7) is arranged between the sliding sleeve (5) and the clamping rod (6).

4. The film winding apparatus for producing a capacitor according to claim 3, wherein The adjusting part comprises a motor (13) fixedly mounted in the recess at the end of the feeding roller (4), a threaded rod (14) mounted on the output shaft of the motor (13), a driving rod (141) fixedly connected to the side of the limiting plate (12) close to the threaded rod (14), and the driving rod (141) and the threaded rod (14) being threadedly adapted.

5. The film winding apparatus for producing a capacitor according to claim 4, wherein The tensioning assembly comprises two parallel guide rods (15) fixedly arranged on the base plate (1), an installation plate (17) slidably connected to the guide rods (15), a spring (16) arranged between the guide rods (15) and the installation plate (17), and the installation plate (17) being provided with two parallel tensioning rollers (20).

6. The film winding apparatus for producing a capacitor according to claim 5, wherein The installation plate (17) is provided with a motor two (18) and a bidirectional screw rod (19), the motor two (18) is provided with two and symmetrically fixed on the installation plate (17), the output shaft of the motor two (18) is provided with a bidirectional screw rod (19), and the two supporting rollers (20) are matched with each other through a connecting rod and a bidirectional screw thread on the bidirectional screw rod (19).

7. The film winding apparatus for producing a capacitor according to claim 6, wherein The base plate (1) is provided with a protective shell (23) on the plate surface, the protective shell (23) is shielded at the cutting blade (22), and the protective shell (23) is used for hiding the cutting blade (22).

8. The film winding apparatus for producing a capacitor according to claim 7, wherein Further comprising an electric push rod two (24), the base plate (1) is provided with an electric push rod two (24) near the installation plate (17), and the top of the telescopic rod of the electric push rod two (24) is in contact with and abuts against the bottom of the installation plate (17).

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