JPH06198523A - Vacuum sucking device - Google Patents

Abstract

PURPOSE:To dispense with piping to a vacuum sucking shaft and guarantee the smooth movement of the vacuum sucking shaft while shortening the axial dimension of the vacuum sucking shaft by providing a connecting means for connecting the piping from a vacuum source to a holder for holding the vacuum sucking shaft. CONSTITUTION:A vacuum sucking shaft 13 is slidably fitted in a slide hole 12A of a holder 12 in the direction (a) or opposite direction thereto. The holder 12 is provided on the side 12B with a connecting part 12E for connecting a piping joint 6 at an approximately right angle to the driving direction of the vacuum sucking shaft 13. Also, the holder 12 is formed with a vacuum path 12D communicating to the connecting part 12E while a vacuum reservoir 12C is provided between one end of the vacuum path 12D and the vacuum sucking shaft 13. A sucking part 13A is adapted to communicate to the vacuum reservoir 12C through vacuum paths 13C, 13B formed in the vacuum sucking shaft 13 so that articles like electronic parts are sucked and held by vacuum pressure introduced to the sucking part 13A to be lifted by the drive of the vacuum sucking shaft 13 driven with a proper driving means.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum suction device, and is suitable for application to, for example, a vacuum suction device adapted to move electronic components by vacuum suction.

[0002]

2. Description of the Related Art Conventionally, when a magnetic head such as a magnetic recording / reproducing apparatus is positioned on a head base, a vacuum adsorption device for adsorbing and holding the magnetic head from a predetermined storage portion and transporting the magnetic head onto the head base is used. Has been. That is, as shown in FIG. 4, in the vacuum suction device 1, the vacuum suction shaft 3 is slidably held in the sliding hole 2A formed in the holder 2 in the direction indicated by the arrow a or in the opposite direction. .

Stoppers 4A and 4B are fixed to the vacuum suction shaft 3, and a spring 5 is inserted between the stopper 4A and the holder so as to urge the vacuum suction shaft 3 in the direction opposite to the direction indicated by the arrow a. ing.

A vacuum passage 3B is formed inside the vacuum suction shaft 3, and a suction portion 3A is formed at the tip of the vacuum passage 3B. Further, a pipe joint 6 for connecting a tube 7 from a vacuum source is connected to the other end side (upper end side) of the vacuum passage 3B.

Therefore, by transmitting the vacuum pressure of the vacuum source to the attraction section 3A via the tube 7 and the vacuum passage 3B, it is possible to attract and hold an electronic component such as a predetermined magnetic head in the attraction section 3A. From this state, by driving the vacuum suction shaft 3 in the direction of the arrow a by a predetermined driving means (not shown), the electronic component sucked and held by the suction portion 3A can be lifted.

[0006]

By the way, in this type of vacuum suction device 1, the vacuum suction shaft 3 is designed to move up and down in the direction indicated by the arrow a or in the opposite direction. Pipe fitting 6 attached to shaft 3
And the tube 7 move simultaneously, so that the vacuum suction shaft 3
However, there is a problem that the positioning accuracy of the vacuum suction shaft 3 is deteriorated by hindering the smooth movement of the vacuum suction shaft 3.

Further, since the pipe joint 6 is provided, there is an unavoidable problem that the dimension of the vacuum suction device 1 in the height direction becomes large.

The present invention has been made in consideration of the above points, and it is possible to prevent the movement of the vacuum suction shaft from being hindered.
An object of the present invention is to propose a vacuum suction device that can further reduce the size of the vacuum suction shaft in the driving direction (axial direction).

[0009]

In order to solve such a problem, in the present invention, the vacuum suction shaft 13 is held by the holder 12, and a predetermined component is vacuum-sucked at the tip of the vacuum suction shaft 13 and lifted and conveyed. In the vacuum suction device 10,
Connection means 12E provided in the holder 12 for connecting the pipe 7 to the vacuum source, a slide hole 12A provided in the holder 12 for slidably holding the vacuum suction shaft 13, and the holder 1
The first connecting hole 12D that connects the second connecting means 12E and the sliding hole 12A and the vacuum suction shaft 13 are formed in the holder 1.
A second communication hole 13C formed at a position corresponding to the second first communication hole 12D, a component suction portion 13A formed at the tip of the vacuum suction shaft 13, and a second communication hole 13C that communicate with each other. 3 communication holes 13B.

Further, in the present invention, the first suction coil 13 arranged at a position facing the peripheral side surface of the vacuum suction shaft 13 and driving the vacuum suction shaft 13 in the axial direction a, and the vacuum suction shaft 13 are provided.
And a second coil 33 arranged to face the circumferential side surface of the vacuum suction shaft 13 to rotate the vacuum suction shaft 13 in the circumferential direction. To do so.

Further, in the present invention, a plurality of sliding holes 12A formed in the holder 12, a plurality of vacuum suction shafts 13 slidably held in the plurality of sliding holes 12A, and a plurality of vacuum suction shafts. Fourth communication hole 12K of the holder for communicating between 13
And the component suction portion 1 of the plurality of vacuum suction shafts 13 via the connecting means 12E of the holder 12 and the fourth communication hole 12K.
Each of the predetermined parts is sucked onto 3A.

[0012]

By providing the holder 12 for holding the vacuum suction shaft 13 with the connecting means 12E for connecting the pipe from the vacuum source, the vacuum suction shaft can be moved more smoothly because the vacuum suction shaft is not provided with the pipe. .

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings.

In FIG. 1, in which parts corresponding to those in FIG. 4 are designated by the same reference numerals, the vacuum suction device 10 can slide in the sliding hole 12A of the holder 12 in the direction indicated by arrow a or in the opposite direction. The vacuum suction shaft 13 is held slidably in the direction indicated by arrow a or in the opposite direction.

The side surface 12B of the holder 12 is provided with a connecting portion 12E for connecting the pipe joint 6 in a direction substantially perpendicular to the driving direction of the vacuum suction shaft 13 (direction of arrow a). A vacuum path 12D is formed so as to communicate with 12E. Further, a vacuum reservoir 12C is formed between one end of the vacuum passage 12D and the vacuum suction shaft 13.

A vacuum passage 13C is formed on the vacuum suction shaft 13 so as to communicate with the vacuum reservoir 12C of the holder 12, and the vacuum passage 13C communicates with a part of the vacuum passage 13B communicating with the suction portion 13A of the vacuum suction shaft 13. To do.

Accordingly, the vacuum pressure from the vacuum source (not shown) is supplied to the vacuum suction device 10 via the tube 7 and the pipe joint 6, and further the vacuum passage 12D of the holder 12, the vacuum reservoir 12C and the vacuum suction shaft 13 are provided. Is supplied to the adsorption unit 13A via the vacuum passages 13C and 13B.

Accordingly, a predetermined electronic component can be suction-held on the suction portion 13A of the vacuum suction shaft 13, and in this state, the vacuum suction shaft 13 is moved in the direction of arrow a by a predetermined driving means (not shown). By driving, the electronic component sucked and held by the suction portion 13A can be lifted.

In the above construction, the vacuum suction device 10 has the pipe joint 6 connected to a part of the holder 12 which holds the vacuum suction shaft 13 slidably, so that the pipe joint can be driven when the vacuum suction shaft 13 is driven. It is possible to prevent 6 and the tube 7 from moving at the same time.

Therefore, the vacuum suction shaft 13 can be driven more smoothly, and the positioning accuracy of the vacuum suction shaft 13 can be improved. Further, since the pipe joint 6 is not provided on the upper end portion of the vacuum suction shaft 13, the height dimension of the vacuum suction device 10 can be further reduced.

According to the above construction, the pipe joint 6 is attached to the holder 12, whereby the vacuum suction shaft 1
Vacuum suction device 1 that can drive 3 more smoothly
You can get 0.

In the above embodiment, the holder 12
Vacuum suction device 1 having a structure in which one vacuum suction shaft 13 is provided
Although the present invention is applied to No. 0, the present invention is not limited to this. For example, as shown in FIG. 2 in which parts corresponding to those in FIG. The shaft 13 may be provided.

In this case, the holder 12 may be provided with a vacuum reservoir 12C for each vacuum suction shaft 13 and the respective vacuum reservoirs 12C may be communicated with each other through the vacuum passage 12K. By doing so, a plurality of vacuum suction shafts 1 can be provided by providing only one pipe joint 6 and one tube 7.
3 can be suctioned.

Further, in the above-mentioned embodiment, the case where the present invention is applied to the vacuum suction device 10 having the vacuum suction shaft 13 which moves up and down has been described, but the present invention is not limited to this.
The present invention can be applied to a vacuum suction device in which the vacuum suction shaft 13 can rotate.

That is, in FIG. 3 in which parts corresponding to those in FIG.
The vacuum suction shaft 13 is slidably held in the sliding hole 12A. A coil holding portion 31 is fixed to the upper surface of the holder 12, and coils 32 and 33 are arranged at positions facing the circumferential surface of the vacuum suction shaft 13, respectively.

Accordingly, by electrically driving the coil 32, the vacuum suction shaft 13 can be vertically moved in the direction indicated by the arrow a or in the opposite direction, and by electrically driving the coil 33, the vacuum suction shaft 13 is driven. Can be driven to rotate.

Since the pipe joint 6 is provided on the holder 12 side in this way, the vacuum suction shaft 13 can be driven to rotate, and thereby the electronic parts and the like sucked and held by the suction portion 13A of the vacuum suction shaft 13 are lifted. After that, it can be rotated in a predetermined direction.

Further, in the above-mentioned embodiment, the vacuum suction device for sucking the electronic parts such as the magnetic head has been described, but the present invention is not limited to this and is widely applied to the vacuum suction device for sucking various other parts. can do.

[0029]

As described above, according to the present invention, the holder for holding the vacuum suction shaft is provided with the connecting means for connecting the pipe from the vacuum source. The movement of the suction shaft can be further smoothed, and the dimension of the vacuum suction shaft in the axial direction can be further reduced.

[Brief description of drawings]

FIG. 1 is a partial sectional view showing an embodiment of a vacuum suction device according to the present invention.

FIG. 2 is a partial cross-sectional view showing an embodiment of a vacuum suction device according to another embodiment.

FIG. 3 is a partial sectional view showing an embodiment of a vacuum suction device according to another embodiment.

FIG. 4 is a partial cross-sectional view showing a conventional vacuum suction device.

[Explanation of symbols] 1, 10, 20, 30 ... Vacuum suction device, 2, 12 ...
Holder, 12D, 12K, 13B, 13C ... Vacuum path,
12E ... Connection part, 3,13 ... Vacuum suction shaft, 3A, 1
3A ... Suction part, 6 ... Piping joint, 7 ... tube.

Claims (3)

[Claims] 1. A vacuum suction device for holding a vacuum suction shaft in a holder, vacuum suctioning a predetermined component to the tip of the vacuum suction shaft, and lifting and transporting the vacuum suction shaft. Connection means for connecting pipes, a slide hole provided in the holder for slidably holding the vacuum suction shaft, and a first communication hole for communicating the connection means and the slide hole of the holder. A second communication hole formed in the vacuum suction shaft at a position corresponding to the first communication hole of the holder, a component suction portion formed at a tip end of the vacuum suction shaft, and the second communication hole. A vacuum suction device comprising: a third communication hole that connects the two communication holes. 2. A first coil, which is arranged at a position facing a peripheral side surface of the vacuum suction shaft and drives the vacuum suction shaft in an axial direction, and a first coil which is arranged at a position facing a peripheral side surface of the vacuum suction shaft. A second coil that rotationally drives the vacuum suction shaft in the circumferential direction, and linearly drives the vacuum suction shaft in the axial direction,
The vacuum suction device according to claim 1, wherein the vacuum suction device is driven to rotate in a circumferential direction. 3. A plurality of the slide holes formed in the holder, a plurality of the vacuum suction shafts slidably held in the plurality of slide holes, and a communication between the plurality of vacuum suction shafts. And a fourth communication hole of the holder for sucking the predetermined component to the component suction portions of the plurality of vacuum suction shafts via the connecting means of the holder and the fourth communication hole. The vacuum suction device according to claim 1, wherein