Novel multilayer ceramic capacitor end coating device

Abstract

The utility model discloses a novel multilayer ceramic capacitor end coating device comprising an operation platform, an end head end coating area and an end head drying area which are arranged on the operation platform, an adjustable positioning clamp used for fixing a porous plate, and a three-dimensional driving mechanism used for driving the adjustable clamp to reciprocate in X, Y and Z directions. Wherein the end head end coating area comprises an end paste box which is internally filled with paste to be coated and is provided with an opening in the top, and a viscosity sensor which is arranged at the bottom of the end paste box and is used for detecting the viscosity of the paste in the end paste box; the end drying area comprises a drying box with an opening in the top and a fan heater arranged at the bottom of the drying box and provided with a heating resistor. The end coating device disclosed by the utility model aims to solve the limitation of the existing automatic end coating equipment in improvement of small-scale production efficiency and manufacturing of products with special specifications, realizes an efficient, uniform and reliable end coating process, and not only obviously improves the flexibility of small-scale production, but also reduces the cost of the small-scale production.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electronic component production technical field especially, it is a kind of new multilayer ceramic capacitor coating end device. BACKGROUND

[0002] As an indispensable passive component in electronic circuits, the performance of multilayer ceramic capacitors (MLCCs) directly affects the stability and reliability of the entire electronic system. With the increasing miniaturization and high performance of electronic products, the demand for MLCCs is growing, especially the requirements for size, capacity and frequency response are becoming higher and higher. Under the driving of these demands, the production process of MLCCs is also constantly improving, especially in the key process of coating end.

[0003] Defects and deficiencies of prior art:

[0004] Currently, the mainstream MLCC coating end process mainly relies on automated production lines to complete, and these automated equipment can realize high-speed and large-batch coating end operation. However, this kind of automated coating end technology has the following several obvious defects and deficiencies:

[0005] 1. High cost: the price of automated coating end equipment is expensive, and for small and medium-sized enterprises or manufacturers who focus on small-batch and diversified production, the return on investment is not high;

[0006] 2. Difficulty in customization: for MLCCs that require special coatings or special sizes, automated equipment is often difficult to adapt, resulting in prolonged production cycle and increased cost;

[0007] 3. Complex maintenance: automated equipment needs to be regularly maintained and calibrated to ensure coating quality and production efficiency, which puts high technical requirements on maintenance personnel;

[0008] 4. Long initial setup time: each time the product is changed or the production line is adjusted, the automated equipment needs a long setup time, which affects the production efficiency;

[0009] 5. Environmentally sensitive: automated coating end is sensitive to environmental conditions (such as temperature and humidity), and poor environmental conditions may lead to unstable coating quality. SUMMARY

[0010] The utility model aims at: provide a kind of new multilayer ceramic capacitor coating end device, it aims at solving the limitation of existing automated coating end equipment in small-batch production efficiency improvement and special specification product manufacturing, realizes efficient, uniform and reliable coating end process, not only significantly improves the flexibility of small-scale production, but also reduces the cost of small-scale production, provides an economical and practical coating end solution for electronic manufacturing industry.

[0011] The technical scheme of the utility model discloses: a novel multilayer ceramic capacitor end coating device, including operation platform, the end coating area and end drying area of end head are sequentially arranged on the operation platform from left to right, the adjustable positioning fixture for fixing the porous plate and the three -dimensional drive mechanism of driving adjustable clamp X, Y, Z direction reciprocating motion above end coating area and end drying area in turn,

[0012] Wherein the end coating area includes the end pulp box that internally holds the slurry to be coated, and the top opening is used for the adjustable positioning fixture enters and carries out end coating, and the viscosity sensor is arranged at the bottom of the end pulp box and is used for detecting the internal slurry viscosity of the end pulp box, and the end drying area includes the drying box that top opening and is used for the adjustable positioning fixture enters and carries out end drying, and the hair dryer is arranged at the bottom of the drying box and has heating resistance.

[0013] As a preferred technical scheme, the three -dimensional drive mechanism includes two X -direction drive mechanisms arranged on the operation platform, Y -direction drive mechanism is arranged at the output end of two X -direction drive mechanisms, and Z -direction drive mechanism is arranged at the output end of Y -direction drive mechanism;

[0014] Wherein the X -direction drive mechanism includes the X -direction sliding slot that is arranged on the both sides of the operation platform and is arranged along the adjustable clamp feeding direction, the X -direction drive screw is arranged in the X -direction sliding slot, the X -direction drive motor is used for driving the rotation of the X -direction drive screw, and the X -direction drive sliding block is arranged on the X -direction drive screw and can reciprocate along the X -direction sliding slot;

[0015] The Y -direction drive mechanism includes two support frames that are longitudinally arranged on the two X -direction drive sliding blocks respectively, the Y -direction drive screw is fixed with the top of two support frames and is transversely arranged, the Y -direction drive motor is used for driving the rotation of the Y -direction drive screw, and the Y -direction drive sliding block is arranged on the Y -direction drive screw and can reciprocate along the top of end coating area and end drying area;

[0016] The Z -direction drive mechanism includes the connecting seat fixed on the bottom of the Y -direction drive sliding block, and the Z -direction cylinder is arranged on the connecting seat;Meanwhile, the top of the adjustable positioning fixture is fixedly connected with the output end of the Z -direction cylinder.

[0017] As a preferred technical scheme, the adjustable positioning fixture includes the positioning plate fixedly connected with the output end of the Z -direction cylinder, a plurality of positioning columns arranged on the positioning plate, and two L -type limit blocks symmetrically arranged on the both sides of the positioning plate.

[0018] As a preferred technical scheme, the operation platform is provided with a PLC controller electrically connected with the X-direction driving motor, the Y-direction driving motor, the Z-direction cylinder, the viscosity sensor and the air heater respectively, the PLC controller is located at a feeding end of the coating end process, and a digital display screen is further arranged on the PLC controller.

[0019] As a preferred technical scheme, the Y-direction driving mechanism further comprises a Y-direction guide rod connected to the top of the two support frames and arranged in parallel with the Y-direction driving screw rod, and a guide hole is arranged on the Y-direction driving sliding block for the Y-direction guide rod to pass through, and a transverse connecting plate is arranged on the top of the two support frames and located outside the Y-direction guide rod.

[0020] As a preferred technical scheme, the slurry to be coated is a Cu end slurry.

[0021] The advantages of the present application are as follows:

[0022] 1. Improved production flexibility: the coating end device of the present application is not limited to fixed production line settings, and can quickly adapt to MLCCs of various sizes, shapes and specifications through adjustable positioning clamps, thereby improving the flexibility and adaptability of the production line.

[0023] 2. Enhanced product customization capability: allows operators to adjust the coating end process according to specific requirements, such as coating thickness, shape or material, thereby better meeting the special needs of customization;

[0024] 3. Shortened product production cycle: the coating end device of the present application reduces the time for equipment adjustment and reconfiguration, allowing new products to enter the next process more quickly;

[0025] 4. Simplified maintenance and management: the coating end device of the present application has a simple structure, small maintenance workload, and does not require complex calibration processes, thereby reducing maintenance costs and operation difficulty;

[0026] 5. Improved product quality control: operators can directly participate in the coating end process, thereby improving coating end quality and reducing the rate of defective products through practical experience and technical training. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description, and the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0028] The present application will be further described below in combination with the drawings and embodiments:

[0029] Figure 1 Structure front view of the utility model;

[0030] Figure 2 Structure top view of the utility model;

[0031] 1 operation platform;

[0032] 2 end coating area, 21 slurry to be coated, 22 end slurry box, 23 viscosity sensor;

[0033] 3 end drying area, 31 drying box, 32 heating resistance, 33 warm air blower;

[0034] 41 X direction sliding groove, 42 X direction driving lead screw, 43 X direction driving motor, 44 X direction driving sliding block;

[0035] 51 support frame, 52 Y direction driving lead screw, 53 Y direction driving motor, 54 Y direction driving sliding block, 55 Y direction guide rod, 56 transverse connecting plate;

[0036] 61 connecting seat, 62 Z direction air cylinder;

[0037] 71 positioning plate, 72 positioning column, 73 L type limiting clamping block;

[0038] 8 PLC controller, 81 digital display screen. DETAILED DESCRIPTION

[0039] The above scheme is further described in combination with specific embodiments. It should be understood that these embodiments are used to illustrate the utility model and do not limit the scope of the utility model. The implementation conditions used in the embodiments can be further adjusted according to the conditions of specific manufacturers. The implementation conditions not mentioned are usually the conditions in the conventional experiments.

[0040] Embodiment: refer to Figure 1 and 2 As shown in the figure, a novel multi-layer ceramic capacitor end coating device comprises an operation platform 1, an end coating area 2 and an end drying area 3 arranged in sequence from left to right on the operation platform 1, an adjustable positioning clamp for fixing a multi-hole plate, and a three-dimensional driving mechanism for driving the adjustable clamp to move reciprocally in X, Y and Z directions above the end coating area 2 and the end drying area 3.

[0041] In the embodiment, the end coating area 2 comprises an end paste box 22, which contains the to-be-coated paste 21 (selected from Cu end paste) and has an open top for the adjustable positioning clamp to enter and perform end coating, and a viscosity sensor 23 arranged at the bottom of the end paste box 22 and used for detecting the viscosity of the paste in the end paste box 22; and the end drying area 3 comprises a drying box 31, which has an open top and is used for the adjustable positioning clamp to enter and perform end drying, and a hair dryer 33 arranged at the bottom of the drying box 31 and provided with a heating resistor 32.

[0042] In the embodiment, the three-dimensional driving mechanism comprises two X-direction driving mechanisms arranged on the operation platform 1, a Y-direction driving mechanism arranged at the output ends of the two X-direction driving mechanisms, and a Z-direction driving mechanism arranged at the output end of the Y-direction driving mechanism; the X-direction driving mechanism comprises X-direction sliding grooves 41 arranged on both sides of the operation platform 1 and arranged in the feeding direction of the adjustable clamp, X-direction driving lead screws 42 arranged in the X-direction sliding grooves 41, X-direction driving motors 43 used for driving the X-direction driving lead screws 42 to rotate, and X-direction driving sliding blocks 44 arranged on the X-direction driving lead screws 42 and capable of reciprocating forward and backward along the X-direction sliding grooves 41; the Y-direction driving mechanism comprises two support frames 51 longitudinally arranged on the two X-direction driving sliding blocks 44 respectively, a Y-direction driving lead screw 52 fixed to the top of the two support frames 51 and arranged transversely, a Y-direction driving motor 53 used for driving the Y-direction driving lead screw 52 to rotate, and a Y-direction driving sliding block 54 arranged on the Y-direction driving lead screw 52 and capable of reciprocating left and right above the end coating area 2 and the end drying area 3; and the Z-direction driving mechanism comprises a connecting seat 61 fixed to the bottom of the Y-direction driving sliding block 54 and a Z-direction pneumatic cylinder 62 arranged on the connecting seat 61; the top of the adjustable positioning clamp is fixedly connected to the output end of the Z-direction pneumatic cylinder 62.

[0043] In the embodiment, the Y-direction driving mechanism further comprises a Y-direction guide rod 55 connected to the top of the two support frames 51 and arranged parallel to the Y-direction driving lead screw 52, and the Y-direction driving sliding block 54 is provided with a guide hole through which the Y-direction guide rod 55 passes; and a transverse connecting plate 56 is arranged on the top of the two support frames 51 and located outside the Y-direction guide rod 55, which can effectively improve the stability of the adjustable positioning clamp in the Y-direction.

[0044] In the embodiment, the adjustable positioning clamp comprises a positioning plate 71 fixedly connected to the output end of the Z-direction pneumatic cylinder 62, a plurality of positioning columns 72 arranged on the positioning plate 71, and two L-shaped limiting clamping blocks 73 arranged on both sides of the positioning plate 71 and symmetrically arranged left and right; the adjustable positioning clamp is detachably mounted on the two L-shaped limiting clamping blocks 73, can quickly adapt to MLCCs of various sizes, shapes and specifications, and improves the flexibility and adaptability of the production line.

[0045] In the embodiment, the operation platform 1 is installed with a PLC controller 8 electrically connected with the X-direction driving motor 43, the Y-direction driving motor 53, the Z-direction cylinder 62, the viscosity sensor 23 and the air heater 33 respectively, the PLC controller 8 is located at the feeding end of the coating end process, and a digital display screen 81 is further arranged on the PLC controller 8, according to the parameter change displayed on the digital display screen 81 in real time, the operator can adjust the coating end process according to specific requirements, such as coating thickness, shape or material, so as to better meet the special requirements of customization.

[0046] The above embodiment is only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A novel coating device for multilayer ceramic capacitors, characterized in that, The device includes an operating platform, an end coating area and an end drying area arranged sequentially from left to right on the operating platform, an adjustable positioning fixture for fixing the perforated plate, and a three-dimensional driving mechanism for driving the adjustable positioning fixture to reciprocate in the X, Y, and Z directions sequentially above the end coating area and the end drying area. The end coating area includes an end coating box containing the coating material and having an opening at the top for the adjustable positioning fixture to enter and coat the end, and a viscosity sensor located at the bottom of the end coating box for detecting the viscosity of the coating material inside the end coating box; the end drying area includes a drying box with an opening at the top for the adjustable positioning fixture to enter and dry the end, and a warm air blower with a heating resistor located at the bottom of the drying box.

2. The novel multilayer ceramic capacitor coating device according to claim 1, characterized in that, The three-dimensional driving mechanism includes two X-axis driving mechanisms disposed on the operating platform, a Y-axis driving mechanism disposed at the output end of the two X-axis driving mechanisms, and a Z-axis driving mechanism disposed at the output end of the Y-axis driving mechanism. The X-axis drive mechanism includes an X-axis slide groove disposed on both sides of the operating platform and arranged along the loading direction of the adjustable positioning fixture, an X-axis drive screw disposed in the X-axis slide groove, an X-axis drive motor for driving the X-axis drive screw to rotate, and an X-axis drive slider disposed on the X-axis drive screw and capable of reciprocating along the X-axis slide groove. The Y-axis drive mechanism includes two support frames that are longitudinally arranged on two X-axis drive sliders, a Y-axis drive screw that is fixed to the top of the two support frames and arranged laterally, a Y-axis drive motor for driving the Y-axis drive screw to rotate, and a Y-axis drive slider that is arranged on the Y-axis drive screw and can reciprocate left and right along the top of the end coating area and the end drying area. The Z-axis driving mechanism includes a connecting seat fixed to the bottom of the Y-axis driving slider and a Z-axis cylinder disposed on the connecting seat; at the same time, the top of the adjustable positioning fixture is fixedly connected to the output end of the Z-axis cylinder.

3. The novel multilayer ceramic capacitor coating device according to claim 2, characterized in that, The adjustable positioning fixture includes a positioning plate fixedly connected to the output end of the Z-axis cylinder, a plurality of positioning posts disposed on the positioning plate, and two L-shaped limiting blocks disposed on both sides of the positioning plate and symmetrically arranged on the left and right.

4. The novel multilayer ceramic capacitor coating device according to claim 2, characterized in that, The operating platform is equipped with a PLC controller that is electrically connected to the X-axis drive motor, the Y-axis drive motor, the Z-axis cylinder, the viscosity sensor, and the heater. The PLC controller is located at the feeding end of the coating process, and a digital display screen is also provided on the PLC controller.

5. The novel multilayer ceramic capacitor coating device according to claim 2, characterized in that, The Y-axis drive mechanism also includes a Y-guide rod connected to the top of the two support frames and arranged parallel to the Y-axis drive screw, and a guide hole for the Y-guide rod to pass through is provided on the Y-axis drive slider. At the same time, a transverse connecting plate is provided on the top of the two support frames and outside the Y-guide rod.

6. The novel multilayer ceramic capacitor coating device according to claim 1, characterized in that, The slurry to be coated is a Cu-end slurry.

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