JP4172069B2 - Magazine case for chip parts - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a stick-shaped magazine case in which a large number of chip parts are stored in a stacked state, and more specifically, by providing a guide member adjacent to a stopper member of a chip part at an outlet of the magazine case. The chip component when mounted can be mounted in a normal posture.
[0002]
[Prior art]
In recent years, it has become possible to realize ultra-compact chip parts, and along with this, mounting devices for mounting ultra-small chip parts on a printed circuit board with high density and high accuracy have been put into practical use. . For this reason, in the mounting device, the chip parts are arranged in a stick-shaped magazine case and stored in a stacked state, and are pushed out one by one from the lower end opening of the magazine case and mounted on the wiring board. To be.
[0003]
An example of the magazine case described above will be described with reference to FIGS.
6 is a perspective view of the lower end portion of the magazine case, and FIG. 7 is a sectional view of the same.
[0004]
The magazine case body is denoted by reference numeral 11. In the magazine case body 11, a large number of chip parts 12 are arranged and stored in a stacked state. A slit groove 13 is formed on one side of the lower end of the magazine case main body 11, and a leaf spring 15 extending integrally from a mounting plate 14 fixed to the magazine case main body 11 with a screw 14 a is inserted into the magazine case main body 11 through the slit groove 13. The lowermost chip component 12 is held by a stopper claw 16 that is inserted into the leaf spring 15 and bent at the tip of the leaf spring 15. Specifically, the lowermost chip part 12 is held against the stopper claw 16 and pressed against the inner wall surface of the magazine case body 11 by the spring urging force of the stopper claw 16, so that the chip part can be removed from the magazine case body 11. It is preventing.
[0005]
The magazine case configured in this manner is mounted on the wiring board by pushing down the push pin 17 from the upper end opening of the magazine case main body 11 by one chip so that the lowermost chip part 12 is pushed out through the stopper claw 16. It has come to be. When the lowermost chip part 12 is pushed out, the subsequent chip part 12 is held by the stopper claw 16.
[0006]
[Problems to be solved by the invention]
By the way, in the magazine case described above, the chip component 12 housed in the magazine case body 11 is housed with some margin from the inner wall of the case body 11. For this reason, when the chip component is pushed out by one chip, even if the periphery of the chip component is surrounded by the case wall surface, the chip component is inclined as shown in FIG. 7 due to the reaction when the chip component is separated from the stopper claw 16 being pressed. It is pushed out as a chip component 12a in a posture. As a result, the chip component may not be mounted in a horizontal posture at the mounting position on the wiring board, or may be mounted at a position shifted from the mounting position, and there has been a problem in terms of reliability of the mounting technology.
[0007]
The present invention has been made to solve the above-described problems, and obtains a magazine case of chip parts that can be accurately mounted in a normal position at a mounting position by pushing the chip parts in a horizontal posture. For the purpose.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, a magazine case of chip parts according to the present invention comprises a magazine case main body having an outlet at a lower end of a stick-like case in which a large number of chip parts are stored in a stacked state in a horizontal posture, A stopper member made of a leaf spring for preventing the chip component fixed on the outlet side of the magazine case body from being pulled out, and a chip component which is disposed adjacent to the lower portion of the stopper member and is pushed out through the stopper member the for discharging held in the horizontal position, the guide member formed with a stopper member and a single leaf spring, which is constituted from.
[0009]
According to the magazine case configured as described above, the chip component pushed through the stopper member is guided by the guide member, and is ejected through the guide member while being held in a horizontal posture and mounted on the wiring board. Is done. At this time, the subsequent chip parts are held in a horizontal posture on the stopper member and are waited.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an example of an embodiment of a magazine case for chip parts according to the present invention will be described with reference to the drawings for a magazine case for chip parts without lead terminals.
[0011]
FIG. 1 is a perspective view of a lower end portion which is a chip component outlet of the magazine case, and FIG. 2 is a sectional view of the same.
[0012]
The magazine case body is denoted by reference numeral 1. The magazine case main body 1 is processed into a stick-like case from a metal material such as stainless steel, and a large number of chip parts 2 without lead terminals such as resistors and capacitors are horizontally aligned in the magazine case main body 1. It is stored in a stacked state. An opening 3 is formed on one side of the lower end of the magazine case main body 1, and a leaf spring 5 extending integrally from a mounting plate 4 fixed to the magazine case main body 1 with screws 4 a or the like is arranged corresponding to the opening 3. A guide claw 6 is formed at the center of the tip of the leaf spring 5 toward the opening 3.
[0013]
Further, another leaf spring 7 is integrally bent from the central portion of the leaf spring 5 toward the inside of the opening 3, and a stopper claw 8 as a stopper member is bent and formed at the tip of the leaf spring 7. Yes. The lower part of the stopper pawl 8, the guide claw (guide member) 6 is so positioned adjacent the aforementioned. These two leaf springs 5 and 7, are integrally formed from a sheet of metal plate material such as, for example, stainless steel or phosphor bronze. For this reason, the attachment plates 4 of the two leaf springs 5 and 7 may be fixed to the magazine case main body 1 by welding or the like.
[0014]
The chip part 2 stored in the magazine case body 1 in a stacked state in a horizontal posture has the lowermost chip part 2 held by the stopper claw 8. Specifically, the lowermost chip part 2 is held against the stopper claw 8 and pressed against the inner wall surface of the magazine case body 1 by the spring urging force of the stopper claw 8, so that the chip part comes out of the magazine case body 1. It is preventing. Further, the guide claw 6 guides the chip part 2 pushed out through the stopper claw 8 by the guide claw 6 and the inner wall surface of the magazine case body 1 and discharges the chip part 2 while maintaining a horizontal posture. .
[0015]
Next, the operation of the magazine case described above will be described.
2, when the push pin 9 is pushed down from the upper end opening of the magazine case body 1 by a stroke corresponding to the thickness of one chip, the lowermost chip component 2 is stopped as shown in FIG. The claw 8 is pushed open and pushed down. Here, the chip component 2 is transferred and guided to the guide claw 6 immediately before passing through the stopper claw 8 (position of the chip component 2a), and then the chip component 2 is stopped. It passes from the claw 8 and is delivered to the guide claw 6 side (the position of the chip component 2b).
[0016]
Thus, the chip component 2 pushed to the guide claw 6 side is guided by the guide claw 6 and the inner wall surface of the magazine case main body 1 and is discharged and mounted on the wiring board while being held in a horizontal posture. At this time, the subsequent chip component 2 is held by the stopper claw 8 as shown in FIG.
[0017]
As described above, the magazine case according to the present invention can push out the chip component 2 from the magazine case in a horizontal posture in the mounting operation of the chip component 2, so that the horizontal posture is maintained at the mounting position on the wiring board, and It can be reliably mounted with high positional accuracy without being displaced.
[0018]
Even if the opening 3 is formed on one side of the chip part take-out part, the chip part can be mounted in a horizontal posture by providing the guide claws 6.
[0019]
Further, the leaf spring 5 provided with the guide claw 6 and the leaf spring 7 provided with the stopper claw 8 are constituted by a single leaf spring member, so that the number of parts can be reduced and the manufacturing cost can be reduced and the assembly can be performed. Can also be easily done.
[0020]
By the way, the chip component housed in the magazine case is generally applied to a chip component without a lead terminal as shown in FIG. 5A, but in the present invention, the chip component 2A having the lead terminal 10 as shown in FIG. 5B. Can be stored in a magazine case.
[0021]
In the magazine case in this case, in the magazine case shown in FIG. 1, grooves 1a for guiding each lead terminal 10 are formed on the wall surface of the magazine case main body 1 along the longitudinal direction of the case as shown in FIG. The lead terminal 10 is guided through the gap g between the outside of the leaf spring 5 and the magazine case main body 1 at the opening 3 portion.
[0022]
In the case of the magazine case of chip parts with lead terminals configured in this way, as in the case of chip parts without lead terminals, the position is horizontal with respect to the mounting position on the wiring board and high positional accuracy is ensured without displacement. Can be mounted on.
[0023]
Further, by producing a magazine case in which a groove 1a for guiding the lead terminal 10 is formed on the wall surface of the magazine case main body 1, it can be used for a magazine case of a chip part without a lead terminal and a chip part with a lead terminal. can do.
[0024]
The present invention is not limited to the embodiments described above and shown in the drawings, and various modifications can be made without departing from the scope of the invention.
[0025]
In this example, a square chip component is described regardless of whether it is a chip component without a lead terminal or a chip component with a lead terminal. However, the present invention can be widely applied to magazine cases of various shaped chip components such as a cylindrical shape or a spherical shape. is there.
[0026]
【The invention's effect】
As described above, the magazine case of chip parts according to the present invention includes a magazine case body having an outlet at the lower end of a stick-like case in which a large number of chip parts are stored in a stacked state in a horizontal posture, and the magazine case A stopper member consisting of a leaf spring to prevent the chip component fixed on the outlet side of the main body from coming out, and a chip member that is disposed adjacent to the lower portion of the stopper member and passes through the stopper member are horizontally disposed. posture and for discharging held in a guide member formed with a stopper member and a single leaf spring, by having a can be extruded holding the horizontal posture chip components from the magazine case, It can be mounted securely with high positional accuracy with a horizontal posture at the mounting position on the wiring board and without displacement. . As a result, the magazine case can be used with a chip component mounting apparatus and has high reliability.
[Brief description of the drawings]
FIG. 1 is an external perspective view of a lower end portion of a magazine case according to the present invention.
FIG. 2 is a cross-sectional view of a lower end portion of a magazine case in which chip parts are stored.
FIG. 3 is a cross-sectional view of a magazine case in which chip parts are pushed out.
FIG. 4 is a cross-sectional view of a state in which a chip component with lead terminals is stored.
FIG. 5 is a perspective view of a chip component without a lead terminal.
B is a perspective view of a chip component with lead terminals. FIG.
FIG. 6 is an external perspective view of a lower end portion of a conventional magazine case.
FIG. 7 is a cross-sectional view of a magazine case in which a conventional chip component is pushed out.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Magazine case main body, 2, 2a, 2b ... Chip part, 3 ... Opening, 5 ... Leaf spring, 6 ... Guide claw, 7 ... Leaf spring, 8 ... Stopper claw, 9 ... Push pin, 2A ... With lead terminal Chip component, 1a ... groove in which lead terminal is guided

Claims (2)

A magazine case main body having an outlet at the lower end of a stick-like case in which a large number of chip parts are stored in a stacked state in a horizontal posture;
A stopper member made of a leaf spring for preventing the chip component fixed to the outlet side of the magazine case body from coming out;
Disposed adjacent to the lower portion of the stopper member, for discharging holding the chip component extruded through the stopper member to the horizontal position, the stopper member and the guide member formed of a single leaf spring A magazine case of chip parts, characterized by comprising In the magazine case of the chip parts according to claim 1,
By providing a groove for guiding the lead terminal in the longitudinal direction on the inner wall surface of the magazine case body, it is possible to store a chip part without a lead terminal and a chip part with a lead terminal. Magazine case.

Images