JP4093668B2 - Transfer device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention is a transfer device comprising: a movable part supported by a fixed part so as to be movable along a predetermined path; and a line that is arranged across the movable part from the fixed part to send a driving force to the movable part. About.
[0002]
[Prior art]
Examples of the transfer device include a transfer device provided in a dispenser that applies an adhesive to an electronic substrate, a chip mounter that mounts electronic components on the electronic substrate, and the like. These transfer devices move a dispenser head that discharges an adhesive, a mount head that holds / releases an electronic component, for example, in the XY direction, and can move in the Y direction with respect to a fixed portion. An X-Y table having a movable part and an X movable part movable in the X direction with respect to the Y movable part, a Y drive motor for driving the Y movable part in the Y direction, and an X drive for driving the X movable part in the X direction A drive motor and the like are provided.
In order to supply electric power to the above-mentioned X drive motor and Y drive motor, and to supply electric power and air to a transfer head unit (for example, a dispenser head and a mount head), the transfer device includes a plurality of electric wires, air pipes, and the like. It is necessary to arrange the line from the fixed part to the X movable part, the Y movable part, and the head part.
[0003]
Conventionally, cable wiring (line guide body) that is flexible and deforms following the movement of the X movable part and Y movable part and guides the line is used for wiring of the line. By wiring through, the line is moved following the movement of the movable part, and the line is prevented from being caught by another mechanism.
Furthermore, the end of the line led from the outside is fixed to the fixed part near the entrance of the cable wear of the Y movable part, and the line (in the case of an electric wire) coming out from the cable wear of the Y movable part is connected via a connector or the like. By connecting to the line led from the outside, wiring connection between the outside and the inside of the apparatus is performed. The connector was either attached to a dedicated fixed bracket or only the cable was fixed and free.
[0004]
[Problems to be solved by the invention]
However, in the transfer device having the above-described conventional configuration, when the cable wear moves due to the movement of the X moving unit and the Y moving unit, the line passed through the cable wear slightly moves and slightly expands and contracts from the cable wear entrance. This occurred.
Due to this phenomenon, a load is generated between the line fixed to the fixed part and the line coming out of the cable wear entrance, and if the connector is fixed on the bracket, the connector will be damaged, broken, or poorly connected. In the type where the connector is generated or the connector is in a free state, although the load applied to the connector is small, a load is applied to the line itself, causing fatigue of the line and causing disconnection.
[0005]
This invention has been made to solve the above-mentioned problems, and reduces the load on the line (electric wire, air piping, etc.) and the connector part wired to the movable part of the transfer device, breakage of the connector or poor connection, The purpose is to eliminate the occurrence of problems such as line disconnection.
[0006]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the invention according to claim 1 is directed to a movable part supported by the fixed part so as to be movable along a predetermined path, and from the fixed part to the movable part. In a transfer device provided with a line (electric wire, cable, air pipe, etc.) for sending a driving force, a line guide body that guides the line and deforms following the movement of the movable part, and the line in the fixed part comprising a line fixed frame attached to the front of the line inlet of the guide member to secure said line, and a movable mechanism which can be arranged variation to sections attached to the line fixed frame, further, the line fixed frame A wiring connection board for electrically connecting a fixed part side electric wire and a movable part side electric wire connected to the outside of the line, and a connector attached to the board for connecting the electric wire It has a configuration provided.
[0007]
According to the first aspect of the present invention, even when the line is pulled or pushed to some extent, the line fixing frame changes its arrangement and absorbs the expansion and contraction movement of the line. Therefore, the load applied to the line due to the expansion and contraction of the line is reduced, and it is possible to prevent the disconnection of the line or the breakage of the connector part connecting the lines or the connection failure.
[0008]
In addition, by attaching the line fixing frame in front of the line introduction port of the line guide body in the fixing portion, the line coming out of the line guide body is immediately fixed and unnecessary play on the line cannot be performed. It is possible to prevent inconvenience that the line is caught by other mechanisms, and at the same time, when the play of the line is eliminated, the line is loaded most and the load on the line near the line inlet of the cheap line guide body is reduced. I can do it.
[0010]
In addition, since the connection between the external line and the line in the transfer device can be made via a wiring connection board and connector provided on the line fixing frame, the transfer device can be easily transported, installed, and wired. To do. In addition, the line fixing frame with this connector and wiring connection base can be arranged and changed, so the inconvenience that the load due to the expansion and contraction of the line is applied to the connector part is avoided, and problems such as breakage of the connector and poor connection are prevented. Is done.
[0011]
Further, for example, as the movable part, a Y movable part supported by the fixed part so as to be movable in the Y direction, and an X movable part supported by the Y movable part so as to be movable in the X direction; In a device having an X movable portion and a Y movable portion, the line fixed frame is applied to a transfer device including a Y mechanism line guide body that deforms following the movement of the Y movable portion as the line guide body. Is the most easily arranged, and the most suitable arrangement of the line fixing frame is the arrangement where the line needs to be most protected from the load.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to FIGS.
FIG. 1 is a perspective view of a chip mounter 100 provided with a transfer device 1 of the present invention.
This chip mounter 100 mainly includes a mount head 2 for mounting electronic components, a transfer device 1 having an X movable portion 3 and a Y movable portion 4, and an electronic board to the mounting position, and is carried out after mounting the components. And a machine frame 6 that is a fixing unit that covers the entire apparatus.
The mount head 2 holds / releases the electronic components and is driven up and down to mount the supplied electronic components at a predetermined position on the substrate.
[0013]
The transfer device 1 includes a Y movable portion 4 that can move along Y-direction rails 41 and 41 supported by a fixed base 7, a Y drive motor 42 that drives the Y movable portion 4, and one end side following the Y movable portion 4. Flexible Y-cable wear (line guide body: also referred to as plarail) 43 having the other end fixed to the machine casing 6 and an X-movable part movable along the X-direction rail 31 supported by the Y-movable part 4 3. X drive motor 32 for driving the X movable part 3, flexible X cable wear having one end following the X movable part 3 and the other end fixed to the Y movable part 4 (also referred to as line guide body: Plarail) ) 33 and wiring S..., A fixing bracket (line fixing frame) 8 and the like.
[0014]
Wirings (lines) S... Arranged in the transfer device 1 include electric power supply wires and cables, air tubes for driving actuators such as air pistons, and the like. These wirings S are first arranged from the outside to the bracket 8 through the machine frame 6. The wiring S is fixed to the machine frame 6 with a fixing band or the like. Then, from the bracket 8 through the Y cable wear 43 and the X cable wear 33 to the various sensors of the Y movable portion 4, the X drive motor 32, the various sensors of the X movable portion 3, the various sensors and actuators of the mount head 2, etc. Wired.
[0015]
FIG. 2 is an enlarged perspective view of a portion of the cable fixing bracket 8 in the chip mounter 100.
The bracket 8 bundles and fixes a plurality of wirings S ... distributed to the transfer device 1 from the outside, and for some electrical wirings S ..., the wiring S ... and the transfer device 1 side arranged from the outside. It also plays a role of connecting the wirings S. In the center of the bracket 8, a wiring connection board 83 and connectors 82 for connecting the wirings S are provided. The wiring S passing through the bracket 8 is fixed to the bracket 8 by a binding band or the like.
The bracket 8 is disposed in front of the entrance of the Y cable wear 43 and is attached to the ceiling of the machine casing 6. Further, the bracket 8 is attached to the machine frame 6 via a hinge 81 as a movable mechanism, and the arrangement of the bracket 8 can be changed in the same direction as the wiring S extending from the entrance of the Y cable wear 43 to the bracket 8.
[0016]
According to the transfer device 1 of this embodiment, the X movable part 3 and the Y movable part 4 are moved and the wiring S ... is shifted in the X cable wear 33 and the Y cable wear 43, and from the entrance of the Y cable wear 43. Even when the wiring S extending to the bracket 8 side is pulled or pushed in, the bracket 8 varies in arrangement via the hinge 81, and therefore the load applied to the wiring S due to the arrangement variation of the bracket 8 is reduced. Accordingly, it is possible to prevent the disconnection of the wirings S or the breakage or the connection failure of the connectors connecting the wirings S.
[0017]
Further, by attaching the bracket 8 to the machine frame 6 which is a fixing portion, in front of the introduction port of the Y cable wear 43, the wiring S ... coming out of the Y cable wear 43 is fixed immediately and is not suitable for the wiring S ... It is possible to prevent the inconvenience that the necessary play is not possible and the wiring S ... is caught on other mechanisms, and at the same time, when the play of the wiring S ... is eliminated, the load on the wiring S ... is the most expensive and the Y cable wear is cheap. The load can be reduced in the wiring S in the vicinity of 43 in front of the inlet.
[0018]
Further, since the connection between the wiring S ... connected to the outside and the wiring S ... in the transfer device 1 can be made via a connector provided on the bracket 8, the transfer / installation and wiring work of the transfer device 1 can be easily performed. In addition, since the bracket 8 having this connector can be changed in arrangement, the inconvenience that the load due to the expansion / contraction movement of the wires S ... is applied to the connector portion is avoided, and problems such as breakage of the connector and poor connection are prevented. .
Further, by attaching the bracket 8 in front of the introduction port of the Y cable wear 43 of the machine frame 6, in the transfer device 1 having the X movable part 3 and the Y movable part 4, the bracket 8 is most easily arranged, and Arrangement at a place where the wiring S is most required to be protected from the load, that is, an optimum arrangement of the bracket 8 is realized.
[0019]
Note that the present invention is not limited to the transfer device 1 of this embodiment. For example, the bracket provided with the movable mechanism is arranged at a place where the line (wiring) is pulled or pushed out, and the play of the line If it is a place etc. which do not want to provide, the same effect can be acquired by attaching to various places. Further, the configuration of the movable portion of the present invention is not limited to the configuration that can move in the XY direction, and may be a configuration that can move only in the X direction. Needless to say, the apparatus to which the transfer mechanism of the present invention is applied can be applied to various apparatuses such as a dispenser in addition to a chip mounter.
[0020]
FIG. 3 is a perspective view showing another example of a movable mechanism that can change the arrangement of a cable fixing bracket.
In addition, the configuration of the movable mechanism that allows the line fixing frame to be arranged and varied is not limited to the configuration using the hinge 81 shown in this embodiment, and the bracket can be attached by attaching the rails 84 and 84 as shown in FIG. There can be various configurations such as a configuration capable of translating 8A.
[0021]
【The invention's effect】
According to the first aspect of the present invention, even when the line is slightly pulled or pushed, the arrangement of the line fixing frame is changed and the expansion and contraction movement of the line is absorbed. Therefore, the load applied to the line due to the expansion and contraction of the line is reduced, and it is possible to prevent the disconnection of the line or the breakage of the connector part connecting the lines or the connection failure.
[0022]
Further, since the line fixing frame is attached to the fixing portion in front of the line introduction port of the line guide body , the line coming out of the line guide body is fixed immediately and unnecessary play on the line cannot be performed. In addition, it is possible to prevent the inconvenience that the line is caught by other mechanisms, and at the same time, when the play of the line is eliminated, the load is applied to the line most, and the load on the line near the line inlet of the cheap line guide body is reduced. Can be reduced.
[0023]
In addition, since the connection between the external line and the line in the transfer device can be made via the connector provided on the line fixing frame and the wiring connection board , the transfer device can be easily transported, installed, and wired. To do. Furthermore, since the line fixing frame having this connector and the wiring connection board can be arranged and changed, the inconvenience that the load due to the expansion / contraction movement of the line is applied to the connector portion is avoided, and the trouble such as breakage of the connector or poor connection is avoided. Is prevented.
[0024]
Further, for example, as the movable part, a Y movable part supported by the fixed part so as to be movable in the Y direction, and an X movable part supported by the Y movable part so as to be movable in the X direction; When applied to a transfer device provided with a Y mechanism line guide body that deforms following the movement of the Y movable portion as the line guide body, the line fixing frame is a line inlet of the Y mechanism line guide body in the fixing portion. In the apparatus having the X movable portion and the Y movable portion, the line fixing frame is most easily disposed and is disposed at a position where the line needs to be most protected from the load, that is, the line. Realize optimal placement of fixed frames.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a chip mounter including a transfer device according to an embodiment of the present invention.
FIG. 2 is an enlarged perspective view of a cable fixing bracket portion of the chip mounter.
FIG. 3 is a perspective view showing another example of a movable mechanism that can change the arrangement of a cable fixing bracket.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Transfer apparatus 2 Mount head 3 X movable part 4 Y movable part 5 Substrate conveyance part 6 Machine frame (fixed part)
7 Fixing base (fixing part)
8 Bracket (Line fixing frame)
8A Bracket (Other embodiments of line fixing frame)
31 X direction rail 32 X drive motor 32
33 X cable wear (line guide body)
41, 41 Y direction rail 42 Y drive motor 43 Y cable wear (line guide body)
81 Hinge (movable mechanism)
84, 84 rail (movable mechanism)
100 Chip mounter S ... Wiring

Claims (1)

In a transfer device comprising a movable part supported by a fixed part so as to be movable along a predetermined path, and a line that is arranged from the fixed part to the movable part and sends a driving force to the movable part.
A line guide body that guides the line and deforms following the movement of the movable part;
A line fixing frame that is attached to the front of the line introduction port of the line guide body in the fixing portion and fixes the line;
A movable mechanism capable of changing the arrangement of the line fixing frame with respect to the attachment location ;
further,
In the line fixing frame,
Among the lines, there are provided a wiring connection board for electrically connecting a fixed part side electric wire and a movable part side electric wire connected to the outside, and a connector attached to the board for connecting the electric wire. A transfer device characterized by that.

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