JP2002110484A - Apparatus for machining electronic component - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve a problem that a roller must be replaced frequently because a recess is easily formed thereon and a problem that the machining accuracy of an electronic component deteriorates. SOLUTION: The apparatus for machining an electronic component comprises an endless stripe means for carrying an electronic component while holding, a pulley provided with means for positioning the stripe carrying means on the outer circumference and fixed rotatably about a shaft, and means for feeding a material to the electronic component. The means for feeding a material to the electronic component comprises a roller for holding the material, and a pressure movable means for supporting the roller to touch the end face of the electronic component with a constant pressure.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention
Endless belt-shaped transporting means for transporting, having means for positioning the belt-shaped transporting means on the outer circumference, a pulley rotatably arranged around an axis, and a means for supplying a material to the electronic component, The present invention relates to a processing device for an electronic component in which an electronic component is processed at a processing position by means for supplying a material.

[0002]

2. Description of the Related Art As shown in FIG. 4, a belt 4 for holding and transporting an electronic component 40 is mounted on a conventional electronic component processing apparatus.
1, a pulley 42 having a pin 41B for positioning the belt 41 on its outer periphery and rotatably mounted around a shaft 42A, and means 43 for supplying a material to an electronic component, and supplying a material to the electronic component. In some cases, an electrode is applied to the end face of the electronic component 40 by an electrode forming material such as a conductive paint. The belt 41 is endless, and holds a plurality of electronic components 40 so as to be arranged in the length direction. On the outer peripheral surface of the pulley 42, pins 42B arranged along the outer periphery on both sides in the width direction of the outer peripheral surface are provided in order to prevent the belt from slipping and determine its position. The belt 41 is positioned on the pulley 42 by the pin 42B, and the electronic component held by the belt 41 is conveyed by driving the belt 41. Means 43 for supplying material to electronic component
A roller 44 for holding the material, and a roller holding member having one end rotatably mounted on a rotating shaft 44A and the other end movably mounted on a support 46 of the main body with the mounting portion as a fulcrum. It has a part 45. A predetermined position between one end and the other end of the roller holding unit 45 is supported by a screw 47 such as a micro head.

[0003]

When a plurality of external electrodes are formed on an end face of an electronic component using such an electronic component processing apparatus, as shown in FIG. A roller having a plurality of grooves for holding is used, and the distance G between the surface of the belt 41 and the surface of the roller 44 is adjusted by the screw 47 so that the outer periphery of the roller 44 contacts the end surface of the electronic component 40. Is done. In such a conventional electronic component processing apparatus, since the distance G is adjusted by the screw 47, once adjusted, the magnitude of the distance G is fixed, and the amount of projection of the electronic component 40 from the belt 41 is reduced. If the electronic component 40 protrudes beyond the distance G due to the variation or the holding of the electronic component 40 larger than the predetermined shape, the electronic component 40 strongly hits the roller 44, causing a depression on the surface of the roller 44. The use of the roller 44 having a depression on its surface causes variations in the amount of the electrode forming material applied to the end face of the electronic component 40. Therefore, in the conventional processing device for electronic components, the rollers must be frequently replaced, which increases the manufacturing cost and causes variations in the shape, size, and position of the electrodes 61 of the electronic components as shown in FIG. There was a problem that it easily occurred.
Further, in the conventional processing device for electronic components, the distance G between the surface of the belt 41 and the surface of the roller 44 is adjusted by the screw 47. It was difficult to keep the shape, size and position constant.

SUMMARY OF THE INVENTION An object of the present invention is to provide a processing device for an electronic component capable of extending the life of a roller to reduce the manufacturing cost and improving the processing accuracy of the electronic component.

[0005]

An electronic component processing apparatus according to the present invention solves the above-mentioned problems by supporting a roller by a pressure movable means so that an outer peripheral surface of the roller contacts an end surface of the electronic component. is there. That is, an endless belt-like transporting means for holding and transporting an electronic component, a pulley rotatably mounted around an axis having a means for positioning the belt-like transporting means on an outer periphery, and supplying a material to the electronic component The means for supplying material to the electronic component includes a roller for holding the material and a pressure movable means for supporting the roller in contact with an end surface of the electronic component. Further, the electronic component processing apparatus of the present invention holds an electronic component,
Endless belt-shaped transporting means for transporting, having means for positioning the belt-shaped transporting means on the outer circumference, a pulley rotatably mounted around an axis, and a means for supplying material to the electronic component, The means for supplying the material is
A roller for holding the material, a roller holding portion having one end rotatably attached to the roller about a rotation axis and the other end movably attached to the main body with the attachment portion as a fulcrum, and the roller being an electronic component Pressure holding means for supporting between one end and the other end of the roller holding portion so as to contact the end face of the roller holding portion.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An electronic component processing apparatus according to the present invention
Holding the electronic components, endless belt-shaped transport means for transport, having means for positioning the belt-shaped transport means on the outer periphery,
A pulley rotatably mounted about an axis; and means for supplying material to the electronic component. The means for supplying the material to the electronic component is a roller for holding the material, and a roller is attached to one end so as to be rotatable about a rotation axis,
The other end has a roller holding portion movably mounted on the main body with the mounting portion as a fulcrum. Then, one end and the other end of the roller holding portion are supported by the pressure movable means so that the outer periphery of the roller contacts the end surface of the electronic component.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An electronic component processing apparatus according to the present invention will be described below with reference to FIGS. FIG. 1 is a side view showing an embodiment of the electronic component processing apparatus of the present invention, and FIG. 2 is a partially enlarged front view of FIG. 1 and 2, reference numeral 11 denotes a belt-like conveying means, 12 denotes a pulley, and 13 denotes a means for supplying a material to an electronic component. The belt-shaped conveyance means 11 is constituted by an endless tape or belt having no end. A plurality of through holes for holding electronic components are provided at a central portion in the width direction of the belt-shaped transport means 11 at predetermined intervals in the length direction. Positioning holes are provided on both sides in the width direction of the belt-shaped conveyance means 11 at predetermined intervals in the length direction. The pulley 12 is formed in a columnar shape, and is attached so as to be rotatable about a rotation axis 12A thereof. At both ends of the outer peripheral surface of the pulley 12, positioning means 12B for preventing the belt-shaped transport means 11 from slipping and determining the position thereof are provided. This positioning means 12B
Is formed by providing pins at predetermined intervals along the outer peripheral surface of the pulley 12. On the outer peripheral surface of the pulley 12, the belt-shaped transport means 11 is arranged such that this surface and the inner surface of the belt-shaped transport means 11 face each other. Then, the positioning means 12B is inserted into the positioning hole of the belt-shaped transport means 11. In the vicinity of the pulley 12 on which the belt-shaped conveying means 11 is arranged, a means 13 for supplying a material to the electronic component is arranged. Means 13 for supplying material to this electronic component
Is a roller 14 for holding the material, and the roller 1
4 has a roller holding unit 15 to which the unit 4 is attached. The roller 14 is formed of an elastic body such as rubber formed in a columnar shape. For example, when a plurality of electrodes are formed on an end surface of an electronic component, the roller 14 has a plurality of grooves 14B formed on an outer peripheral surface thereof for holding an electrode forming material. The roller 14 is attached to one end of a roller holder 15 so as to be rotatable about a rotation shaft 14A. The rotating shaft of the roller 14 is connected to a power source for rotating the roller in accordance with the transport of the electronic component. In addition, a device for replenishing the roller with a certain amount of material is provided near the roller 14. The other end of the roller holding unit 15
It is movably attached to the support 16 of the main body using the attachment portion 15A as a fulcrum. The roller holding unit 15
One end and the other end thereof are supported by the pressure movable means 17 so that the outer periphery of the roller contacts the end face of the electronic component. As the pressure movable means 17, for example, one that supports the roller holding unit 15 at a predetermined pressure, such as an air cylinder, is used. The pressure movable means 17 is mounted on the support base of the column 16 so as to support the roller holding portion 15 so that the outer periphery of the roller contacts the end face of the electronic component. The pressure of the pressure movable means 17 attached in this manner is set according to the amount of the electrode forming material applied to the electronic component.

In the electronic component processing apparatus thus formed, when the electronic component 10 comes into contact with the surface of the roller 14 and a predetermined pressure or more is applied to the roller 14, the pressure causes the pressure movable means 17 to move in a dotted line. As shown in the figure, the roller holding portion 15 moves as indicated by a dotted line with the mounting portion 15A as a fulcrum, and the roller 14 moves in the direction of A (that is,
The direction in which the surface of the roller 14 moves away from the end surface of the electronic component)
Go to In the case of processing using this electronic component processing apparatus, the electronic component 10 is inserted into the through hole of the belt-shaped transporting means 11 so that the electronic component 10 is elastically held by the belt-shaped transporting means 11 and the roller 14 is processed at the processing position. The electrode forming material in the groove 14B is applied to the end face of the electronic component. Then, as shown in FIG. 3, an electrode 31 is formed on the end face of the electronic component 30. In the case of the electronic component 30, the size of the electrode 31 is adjusted by changing the pressure of the pressure movable means 17 to adjust the amount of the electrode material surrounding the top and bottom surfaces of the electronic component.

Although the embodiment of the electronic component processing apparatus of the present invention has been described above, the present invention is not limited to this embodiment. For example, the positioning means provided on the pulley may be formed by providing a flange along the outer peripheral surface of the pulley. In that case, it is not necessary to provide the positioning holes on both sides in the width direction of the belt-shaped conveying means. Further, the other end of the roller holding portion may be directly attached to the pressure movable means. Further, the roller may have its rotation axis directly attached to the pressure movable means, and the roller may be held by the pressure movable means. In this case, the roller holding unit is unnecessary. Further, in the present embodiment, the case where a plurality of electrodes are formed on the end face of the electronic component has been described. However, even when one electrode is formed on the end face of the electronic component, or when the surface of the electronic component is to be stamped or the like. Applicable. In that case, the roller should be one perimeter, depending on the application.
Various ones such as one in which one groove is formed and a sponge-like one can be used.

[0010]

As described above, the electronic component processing apparatus according to the present invention has endless belt-like transport means for holding and transporting electronic components, and means for positioning the belt-like transport means on the outer periphery, and has a shaft. A pulley rotatably mounted at the center and a means for supplying material to the electronic component, wherein the means for supplying material to the electronic component includes a roller for holding the material, and the roller contacts an end surface of the electronic component. Even if the electronic component protrudes from the belt-shaped transporting means varies, or an electronic component larger than a predetermined shape is held by the belt-shaped transporting means, the rollers need more than necessary. No pressure is applied. Therefore, the electronic component processing apparatus of the present invention can extend the life of the roller and reduce the manufacturing cost. Further, the electronic component processing apparatus of the present invention can keep the state of the roller constant even when one roller is used for a long time, so that the electronic component can be processed in a predetermined processing state (for example, as shown in FIG. The shape, size, position, etc. of the electrode 31 of the component) can be maintained, and the processing accuracy of the electronic component can be improved. Further, the electronic component processing apparatus of the present invention can perform predetermined processing on the electronic component only by setting the pressure of the pressure movable means, so that there is no variation in processing accuracy among operators.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of an electronic component processing apparatus of the present invention.

FIG. 2 is a partially enlarged front view of FIG.

3A is a top view of an electronic component processed by the electronic component processing apparatus of the present invention, and FIG. 3B is a side view of the electronic component processed by the electronic component processing apparatus of the present invention.

FIG. 4 is a side view showing a conventional electronic component processing apparatus.

FIG. 5 is a partially enlarged front view of FIG. 4;

6A is a top view of an electronic component processed by a conventional electronic component processing device, and FIG. 6B is a side view of the electronic component processed by a conventional electronic component processing device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Belt-like conveyance means 12 Pulley 13 Means of supplying material to electronic parts

Claims (2)

[Claims] 1. An endless belt-like transport means for holding and transporting an electronic component, a pulley having a means for positioning the belt-like transport device on an outer periphery, and being rotatably mounted around an axis, and Means for supplying the material,
An electronic component processing apparatus, wherein the means for supplying a material to the electronic component includes a roller for holding the material, and a pressure movable means for supporting the roller so as to be in contact with an end surface of the electronic component. 2. An endless belt-like transporting means for holding and transporting an electronic component, a pulley having a means for positioning the belt-like transporting means on its outer periphery, and being rotatably mounted around an axis, and Means for supplying the material,
A means for supplying the material to the electronic component includes a roller for holding the material, one end of which the roller is rotatably mounted about a rotation axis, and the other end of which is movable on the main body with the mounting portion as a fulcrum. An attached roller holding unit;
An electronic component processing apparatus comprising: a pressure movable means for supporting the roller holding portion between the one end and the other end so that the roller contacts an end surface of the electronic component.