Block lamination device of multilayer ceramic capacitor

Abstract

The utility model relates to the technical field of capacitor manufacturing, and discloses a block lamination device of a multilayer ceramic capacitor, a protective film conveying mechanism is provided with a first vertical cutting assembly and a first transverse cutting assembly, and the first vertical cutting assembly and the first transverse cutting assembly are located between a first unwinding roller and a protective film stripping table; the first vertical cutting assembly comprises a roller rotationally connected to the rack, a vertical cutting support arranged above the roller and two circular knives rotationally connected to the vertical cutting support, the first transverse cutting assembly comprises a transverse cutting base plate, a transverse cutting support, a transverse cutting knife and a transverse cutting driver, and the transverse cutting driver drives the transverse cutting knife to cut a protective film; the dielectric film conveying mechanism is provided with a second vertical cutting assembly and a second transverse cutting assembly, the second vertical cutting assembly and the first vertical cutting assembly are the same in structure, and the second transverse cutting assembly and the first transverse cutting assembly are the same in structure; according to the utility model, the lamination efficiency of the protective diaphragm and the dielectric diaphragm can be improved, so that the production efficiency of block lamination is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to capacitor manufacturing technical field especially is related to a kind of bar block lamination device of multilayer ceramic capacitor. BACKGROUND

[0002] In the field of multilayer ceramic capacitor (MLCC), the lamination in key process is that the protective layer (protective film piece) coated by previous process and the dielectric layer (dielectric film piece) of silk printing process are laminated together according to design formula, to form the bar block of multilayer ceramic capacitor;Since the protective layer is a layer of uniform ceramic dielectric, alignment is not needed during lamination, so when lamination equipment is started, protective layer stripping station can automatically pause protective layer conveying, conveying mechanism moves to protective layer stripping station, and the cutting mechanism of conveying mechanism cuts the protective film on protective layer stripping station to form the required protective film piece, and then adsorbs and moves to lamination platform, and conveying mechanism repeats the above action until the number of protective film piece lamination meets preset requirement, and conveying mechanism needs to be cut first after moving to protective layer stripping station, and at this time, cutting time is included in production cycle time, and protective film piece is moved to lamination platform layer by layer, and the overall efficiency is low;Dielectric film piece is also moved to dielectric layer stripping station by conveying mechanism, and the cutting mechanism of conveying mechanism cuts the dielectric film on dielectric layer stripping station to form the required dielectric film piece, and then conveying mechanism adsorbs and moves to lamination platform for lamination, and at this time, cutting time is included in production cycle time, and the overall production efficiency is low. SUMMARY

[0003] The utility model aims at providing a kind of bar block lamination device of multilayer ceramic capacitor, and the lamination efficiency of protective film piece and dielectric film piece can be improved, so as to improve the production efficiency of bar block lamination.

[0004] In order to achieve the above object, the utility model provides a kind of bar block lamination device of multilayer ceramic capacitor, including rack and conveying mechanism, lamination stage, protective film conveying mechanism and dielectric film conveying mechanism being arranged on the rack;The protective film conveying mechanism includes first unwinding roller, first winding roller, protective film stripping station, first vertical cutting assembly and first horizontal cutting assembly, one end of protective film roll is wound around the first unwinding roller, the other end of protective film roll is wound around the first winding roller, the protective film stripping station is located between the first unwinding roller and the first winding roller, the first vertical cutting assembly and the first horizontal cutting assembly are located between the first unwinding roller and the protective film stripping station, the first vertical cutting assembly includes drum being rotatably connected on the rack, vertical cutting support being arranged above the drum and two circular knives being rotatably connected on the vertical cutting support, two circular knives cut the left and right ends of protective film on protective film roll respectively, and the first horizontal cutting assembly includes horizontal cutting backing plate, horizontal cutting support, horizontal cutting knife and horizontal cutting driver, the horizontal cutting driver is arranged on the horizontal cutting support, the output end of the horizontal cutting driver is connected with the horizontal cutting knife and can drive the horizontal cutting knife to cut the protective film of protective film roll on the horizontal cutting backing plate;

[0005] The dielectric film conveying mechanism includes second unwinding roller, second winding roller, dielectric film stripping station, second vertical cutting assembly and second horizontal cutting assembly, one end of dielectric film roll is wound around the second unwinding roller, the other end of dielectric film roll is wound around the second winding roller, the dielectric film stripping station is located between the second unwinding roller and the second winding roller, the second vertical cutting assembly and the second horizontal cutting assembly are located between the second unwinding roller and the dielectric film stripping station, the second vertical cutting assembly is same in structure with the first vertical cutting assembly, and the second horizontal cutting assembly is same in structure with the first horizontal cutting assembly.

[0006] As a preferred scheme of the utility model, the vertical cutting support is provided with a telescopic support, the telescopic support includes a connecting rod and a spring, the vertical cutting support is provided with a matching hole that slides up and down with the connecting rod, the middle part of the connecting rod is provided with a limiting piece, the spring is sleeved on the upper segment of the connecting rod, the upper end of the spring is connected with the vertical cutting support, the lower end of the spring is connected with the limiting piece, and the circular knife is rotatably connected with the bottom of the connecting rod.

[0007] As a preferred scheme of the utility model, the horizontal cutting driver includes horizontal cutting driving cylinder and horizontal cutting guide rail, the output end of the horizontal cutting driving cylinder is connected with the horizontal cutting knife and drives the horizontal cutting knife to move up and down, and the horizontal cutting guide rail is connected between the horizontal cutting knife and the horizontal cutting support.

[0008] As a preferred scheme of the utility model, the horizontal cutting guide rail is provided with two groups, and is located at the two sides of the horizontal cutting driver respectively.

[0009] As the preferred scheme of the utility model, the top surface of the roller, the top surface of the cross-cutting backing plate, the top surface of the medium film stripping table and the top surface of the protective film stripping table are located on the same plane.

[0010] As the preferred scheme of the utility model, the roller is a suction roller.

[0011] As the preferred scheme of the utility model, the protective film conveying mechanism and the medium film conveying mechanism are respectively arranged on both sides of the laminating table.

[0012] Compared with the prior art, the bar block laminating device for the multilayer ceramic capacitor has the beneficial effects that:

[0013] The first vertical cutting assembly and the first cross-cutting assembly are matched to realize cutting of the protective film during the protective film conveying process to form protective film pieces, the conveying mechanism can realize stacking of multiple protective film pieces between the adhesion of the protective film stripping table and the protective film pieces, and then the multiple stacked protective film pieces are uniformly adsorbed and transferred to the laminating table, thereby improving the laminating efficiency of the protective film pieces; the medium film is cut during the medium film conveying process to form medium film pieces, so that the next layer of medium film pieces is cut in advance when the previous layer of medium film pieces is transferred to the laminating table for laminating, the cutting time of each layer of medium film pieces is saved, the laminating efficiency of the medium film pieces is improved, and the efficiency of the whole bar block laminating process is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings of the embodiments will be briefly introduced below.

[0015] Fig. 1 The structure diagram of the bar block laminating device for the multilayer ceramic capacitor provided by the utility model is shown.

[0016] Fig. 2 The structure diagram of the first vertical cutting assembly provided by the utility model is shown.

[0017] Fig. 3 The structure diagram of the first cross-cutting assembly provided by the utility model is shown.

[0018] In the figure, rack 1; conveying mechanism 2; laminating stage 3; protective film conveying mechanism 4; first unwinding roller 41; first winding roller 42; protective film stripping table 43; first vertical cutting assembly 44; roller 441; vertical cutting support 442; circular knife 443; connecting rod 444; spring 445; first horizontal cutting assembly 45; horizontal cutting pad 451; horizontal cutting support 452; horizontal cutting knife 453; horizontal cutting drive cylinder 454; horizontal cutting guide rail 455; medium film conveying mechanism 5; second unwinding roller 51; second winding roller 52; medium film stripping table 53; second vertical cutting assembly 54; second horizontal cutting assembly 55; protective film roll 6; protective film piece 61; medium film roll 7; medium film piece 71. DETAILED DESCRIPTION

[0019] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present application, but are not used to limit the scope of the present application.

[0020] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0021] As Figs. 1 to 3The utility model discloses a kind of bar block laminating devices of multilayer ceramic capacitor of preferred embodiment of the utility model, including rack 1 (not shown complete rack in drawing) and setting on the rack 1 conveying mechanism 2, laminating stage 3, protective film conveying mechanism 4 and dielectric film conveying mechanism 5;The protective film conveying mechanism 4 includes first unwinding roller 41, first winding roller 42, protective film stripping table 43, first vertical cutting assembly 44 and first horizontal cutting assembly 45, the one end of protective film roll 6 is wound around first unwinding roller 41, the other end of protective film roll 6 is wound around first winding roller 42, protective film stripping table 43 is located between first unwinding roller 41 and first winding roller 42, first vertical cutting assembly 44 and first horizontal cutting assembly 45 are located between first unwinding roller 41 and protective film stripping table 43, first vertical cutting assembly 44 includes roller 441 that is rotatably connected on the rack 1, vertical cutting support 442 that is set on the upper of roller 441 and two round knives 443 that are rotatably connected on vertical cutting support 442, two round knives 443 cut the left and right ends of protective film on protective film roll 6 respectively, first horizontal cutting assembly 45 includes horizontal cutting backing plate 451, horizontal cutting support 452, horizontal cutting knife 453 and horizontal cutting driver, horizontal cutting driver is set on horizontal cutting support 452, the output end of horizontal cutting driver is connected with horizontal cutting knife 453 and can drive horizontal cutting knife 453 to cut the protective film of protective film roll 6 located on horizontal cutting backing plate 451;

[0022] The dielectric film conveying mechanism 5 includes second unwinding roller 51, second winding roller 52, dielectric film stripping table 53, second vertical cutting assembly 54 and second horizontal cutting assembly 55, the one end of dielectric film roll 7 is wound around second unwinding roller 51, the other end of dielectric film roll 7 is wound around second winding roller 52, dielectric film stripping table 53 is located between second unwinding roller 51 and second winding roller 52, second vertical cutting assembly 54 and second horizontal cutting assembly 55 are located between second unwinding roller 51 and dielectric film stripping table 53, second vertical cutting assembly 54 and first vertical cutting assembly 44 are same in structure, second horizontal cutting assembly 55 and first horizontal cutting assembly 45 are same in structure;Wherein, conveying mechanism 2, laminating stage 3, protective film stripping table 43, dielectric film stripping table 53 are existing structure, not repeated here.

[0023] Exemplarily, the vertical cutting support 442 is provided with a telescopic support, which comprises a connecting rod 444 and a spring 445. The vertical cutting support 442 is provided with a matching hole that is in sliding fit with the connecting rod 444. The middle part of the connecting rod 444 is provided with a limiting piece. The spring 445 is sleeved on the upper section of the connecting rod 444. The upper end of the spring 445 is connected with the vertical cutting support 442, and the lower end of the spring 445 is connected with the limiting piece. The circular knife 443 is rotationally connected with the bottom of the connecting rod 444. The circular knife 443 abuts against the roller 441, and a protective film roll 6 (a medium film roll 7) is clamped between the circular knife 443 and the roller 441, so that the circular knife 443 can cut the protective film and the medium film without cutting the base film (PET film) on the protective film roll 6 (the medium film roll 7).

[0024] Exemplarily, the horizontal cutting driver comprises a horizontal cutting driving cylinder 454 and a horizontal cutting guide rail 455. The output end of the horizontal cutting driving cylinder 454 is connected with the horizontal cutting knife 453 and drives the horizontal cutting knife 453 to move up and down. The horizontal cutting guide rail 455 is connected between the horizontal cutting knife 453 and the horizontal cutting support 452. Further, the horizontal cutting guide rail 455 is provided with two groups and is located on the two sides of the horizontal cutting driver, so as to improve the stability of the horizontal cutting knife 453 when moving up and down to cut the protective film and the medium film.

[0025] Exemplarily, the top surface of the roller 441, the top surface of the horizontal cutting backing plate 451, the top surface of the medium film stripping table 53 and the top surface of the protective film stripping table 43 are located on the same plane, so as to facilitate the operation of the conveying structure.

[0026] In the embodiment, the roller 441 is a suction roller, which can effectively avoid the deviation of the protective film roll 6 and the medium film roll 7.

[0027] Exemplarily, the protective film conveying mechanism 4 and the medium film conveying mechanism 5 are respectively arranged on the two sides of the laminating table 3, so as to facilitate the conveying mechanism 2 to move the protective film piece 61 and the medium film piece 71 to the laminating table 3, and improve the moving efficiency.

[0028] In summary, the utility model discloses a first vertical cutting assembly 44 and first cross cutting assembly 45 cooperation realizes the protection film conveying process and carries out cutting to form protection film piece 61, and conveying mechanism 2 can realize multiple protection film pieces 61 stack between protection film piece 61 in cooperation with protection film stripping table 43 and the adhesion of protection film piece 61, and then uniformly adsorbs and removes the multiple protection film pieces 61 of stack to laminating table 3, improves the laminating efficiency of protection film piece 61, and the medium film conveying process carries out cutting to form medium film piece 71, so when the last layer medium film piece 71 is removed to laminating table 3 and is laminated, the next layer medium film piece 71 is cut in advance simultaneously, saves the cutting time of each layer medium film piece 71, improves the laminating efficiency of medium film piece 71, and improves the efficiency of the whole block laminating procedure.

[0029] In the description of the utility model, it is necessary to explain that, unless there is definite and limited, the term " is connected " " connection " should be broad understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements inside. For the ordinary skill of the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances.

[0030] The above only is the preferred implementation of the utility model, should point out, for the ordinary skill of the art, on the premise of not departing from the technical principle of the utility model, can also make several improvements and replacement, these improvements and replacement also should be considered the protection range of the utility model.

Claims

1. A bar stacking apparatus for a multilayer ceramic capacitor, comprising a rack and a conveyance mechanism, a stacking stage, a protective film conveying mechanism, and a dielectric film conveying mechanism provided on the rack; characterized in that, The protective film conveying mechanism comprises a first unwinding roller, a first winding roller, a protective film stripping table, a first vertical cutting assembly and a first horizontal cutting assembly, one end of a protective film roll is wound around the first unwinding roller, the other end of the protective film roll is wound around the first winding roller, the protective film stripping table is located between the first unwinding roller and the first winding roller, the first vertical cutting assembly and the first horizontal cutting assembly are located between the first unwinding roller and the protective film stripping table, the first vertical cutting assembly comprises a roller rotatably connected to the rack, a vertical cutting support arranged above the roller and two circular knives rotatably connected to the vertical cutting support, the two circular knives cut the left and right ends of the protective film on the protective film roll respectively, the first horizontal cutting assembly comprises a horizontal cutting pad, a horizontal cutting support, a horizontal cutting knife and a horizontal cutting driver, the horizontal cutting driver is arranged on the horizontal cutting support, the output end of the horizontal cutting driver is connected with the horizontal cutting knife and can drive the horizontal cutting knife to cut the protective film of the protective film roll located on the horizontal cutting pad. The medium film conveying mechanism comprises a second unwinding roller, a second winding roller, a medium film stripping table, a second vertical cutting assembly and a second horizontal cutting assembly, one end of a medium film roll is wound around the second unwinding roller, the other end of the medium film roll is wound around the second winding roller, the medium film stripping table is located between the second unwinding roller and the second winding roller, the second vertical cutting assembly and the second horizontal cutting assembly are located between the second unwinding roller and the medium film stripping table, the second vertical cutting assembly is the same in structure as the first vertical cutting assembly, and the second horizontal cutting assembly is the same in structure as the first horizontal cutting assembly.

2. The apparatus for stacking of the bar of multi-layer ceramic capacitors according to claim 1, wherein The vertical cutting support is provided with a telescopic support, the telescopic support comprises a connecting rod and a spring, the vertical cutting support is provided with a matching hole in sliding fit with the connecting rod in the up-down direction, the middle part of the connecting rod is provided with a limiting piece, the spring is sleeved on the upper section of the connecting rod, the upper end of the spring is connected with the vertical cutting support, and the lower end of the spring is connected with the limiting piece.

3. The apparatus of claim 1, wherein the plurality of green sheets are stacked in a plurality of stacks, and the plurality of stacks are arranged in a plurality of rows, and the plurality of stacks in each row are arranged in a plurality of columns. The horizontal cutting driver comprises a horizontal cutting driving cylinder and a horizontal cutting guide rail, the output end of the horizontal cutting driving cylinder is connected with the horizontal cutting knife and drives the horizontal cutting knife to move up and down, and the horizontal cutting guide rail is connected between the horizontal cutting knife and the horizontal cutting support.

4. The multi-layer ceramic capacitor electrode lamination apparatus of claim 3, wherein the first and second electrode lamination apparatuses are arranged in a vertical stack. The horizontal cutting guide rail is provided with two groups and is located on the two sides of the horizontal cutting driver respectively.

5. The multi-layer ceramic capacitor electrode stack assembly of claim 1, wherein, The top surface of the roller, the top surface of the horizontal cutting pad, the top surface of the medium film stripping table and the top surface of the protective film stripping table are located on the same plane.

6. The multi-layer ceramic capacitor electrode stack assembly of claim 1, wherein, The roller is an air suction roller.

7. The apparatus according to any one of claims 1 to 6, wherein The protective film conveying mechanism and the medium film conveying mechanism are arranged on the two sides of the laminating table respectively.

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