JPH0318111Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] The present invention relates to a transport device that automatically transports parts, and in particular, the invention relates to a transport device that automatically transports parts. The present invention relates to a conveyance device for conveyance.

[Conventional technology]

Conventional conveyance devices of this type have multiple workpiece holding spindles lined up at regular intervals on the main body, and each workpiece holding spindle relays and conveys parts by repeating several cycles of conveyance operations for the intervals. However, since the moving distance of the main body of such a conveyance device is short, the drive mechanism can be downsized;
It also has the feature of being able to carry out continuous parts conveyance at high speed.

[Problem that the invention attempts to solve]

However, in conventional conveyance devices, multiple workpiece holding spindles can only perform the same operation, so it is not possible to insert other operations such as branching the conveyance path or carrying out defective products during conveyance, and the functions are limited. was. The present invention has been made to solve the above-mentioned problems, and its purpose is to provide a conveying device that allows other operations to be performed during conveyance.

[Means for solving problems]

In order to solve the above problems and achieve the object of the invention, the present invention is characterized by the following configuration.

That is, a conveyor head body that reciprocates in the horizontal direction by a relay movement distance and reciprocates in the vertical direction by a predetermined amount, and a conveyor head body that is arranged parallel to each other and extending in the vertical direction and is biased downward. attached first and second workpiece holding spindles, a first drive mechanism that causes the transfer head main body to perform a predetermined transfer operation including horizontal and vertical reciprocation, and horizontal reciprocation of the first workpiece holding spindle. a chuck or relay jig that can be inserted below the moving end of the movement and holds the work; and a second chuck or relay jig that independently moves only the first work holding spindle upward when the chuck or relay jig is inserted.
This configuration includes a drive mechanism.

〔Example〕

Hereinafter, one embodiment of the present invention will be described based on the drawings.

This embodiment shows a conveyance device that is applied to a working device (posture alignment device) for transporting video head chips while aligning them in a predetermined posture.

FIG. 1 is a front view showing the main parts of the conveyance device, and FIG. 2 is a side sectional view showing the drive mechanism of the device.

In the figure, 100 is a transfer head main body, and this transfer head main body 100 has a first work holding spindle 101 and a second work holding spindle 102.
are installed parallel to each other. As shown in FIG. 2, the transfer head main body 100 is supported by a guide shaft 111 parallel to the work holding spindle, and is reciprocated by a predetermined stroke in the vertical direction by a drive cam 103, a cam lever 104, etc. (not shown), the slide 105 supports and guides the guide shaft 111 by a cam lever (not shown), and the slide 105 moves in a reciprocating linear motion by a relay movement distance in the extending direction. These two types of cam mechanisms form a first drive mechanism that causes the transport head main body 100 to perform a predetermined transport operation in a generally downwardly open U-shape. First work holding spindle 10
Both the first and second work holding spindles 102 are attached to the conveying head main body 100 in such a manner that they can move up and down parallel to the guide shaft 111, and are biased downward by compression springs 106 and 107, respectively, to allow free movement. regulated. Further, an air cylinder 108 is connected to the upper end of the first workpiece holding spindle 101, so that only the first workpiece holding spindle 101 can be raised independently. The compression spring 106 and air cylinder 108
This forms a second drive mechanism that independently moves the first workpiece holding spindle 101 in the axial direction. Incidentally, at the lower ends of the first work holding spindle 101 and the second work holding spindle 102, there is a vacuum chuck part 1 for sucking the video head chip.
09 and 110 are formed, respectively.

Next, a posture alignment device to which the above-mentioned conveyance device is applied will be explained.

FIG. 3 is a plan view showing the overall configuration of the posture alignment device, FIG. 4 is a front view, FIG. 5 is a diagram showing the control system of the posture alignment device, and FIG. 6 is a video signal supplied to the posture alignment device. FIG. 3 is a diagram showing the attitude of the head tip.

In Figures 3 and 4, 1 is the base;
An index table 2 is provided on this base 1. This index table 2 rotates intermittently at 60° intervals, and six table jigs 3 are disposed on the top surface at 60° intervals. Each of these table jigs 3 operates at six work stations 4,
It is indexed to 5, 6, 7, 8, 9. Each work station (position) of the index table 2 is provided with a component supply device 10, an image succession section 12 in the image processing device 11, and various work units. The work units include an up-down reversal work device 13 and a front-back reversal work device 1.
4, and is also equipped with a conveyance device 15, a defective product removal device 16, a cleaning device 17, and a video head chip alignment and storage device 18.

A component supply device 10 provided at a first station (supply station) 4 of the index table 2 is constituted by a combination of a known vibrating component automatic supply device and a pick-and-race unit. This supply device 10 supplies video head chips to the table jig 3 at the supply station 4 of the index table 2 in one of four different orientations, top and bottom and front and back, as shown in FIG.

Second station (image reading station) 5
As shown in FIG. 4, the image acquisition section 12 provided in the index table 2 has a video camera 21, and a light source 22 is disposed below the table surface 2a of the index table 2. The light from the light source 22 passes through the table jig 3 and enters the video camera 21 of the image succession section 12. Image information subsequently captured by the video camera 21 is immediately input to the image processing device 11.

The image processing device 11 includes a storage section 23 and a calculation section 24, as shown in FIG. The image information sent from the image succession section 12 is input, and the stored information and the input image information are compared and calculated. This comparison operation is performed in the following manner.

Comparison of video head chip area → If it is smaller than the memorized value by more than a certain percentage, it is a defective product.

Comparison of video head tip shapes -> If they match, the basic posture (posture 41a in Figure 6).

The video head chip image in the input image information is flipped vertically and the shapes are compared. If they match, the image is flipped upside down (posture 41b in FIG. 6).

The video head chip image in the input image information is reversed and the shapes are compared. If they match, the front and back sides are reversed (posture 41c in FIG. 6).

The video head chip image in the input image information is reversed up and down and front and back, and the shapes are compared → If they match, the top and bottom and front and back are reversed (posture 41 in Figure 6).
d).

Comparison of important parts of video head chips → If more than the specified amount of chipping is found in the input image, it is a defective product.

The above calculation results are stored in register 2 as shown in Figure 5.
5 to each work unit, which will be described later, as a work command signal. That is, the register 25 consists of a first register 26, a second register 27, and a third register 28. sends work command signals to the defective product removal device 16, respectively. still,
If the result of the calculation matches the basic posture, no work command signal is sent to any work unit, and if there is a partial match, no work command signal is sent to the corresponding work unit.

3rd station (upside down station) 6
The vertical inversion work device 13 installed in the video head chip is placed in the position 41b or 41 in FIG.
d, the table jig 3 is rotated 180 degrees based on the work command signal.

The fourth station 7 is an idle station. The front/back reversing work device 14 provided at the next fifth station (front/back reversing station) 8 is as follows:
The work rod 14a performs linear reciprocating motion in the axial direction, rotation motion by 180 degrees around the axis, and vertical motion, thereby attracting the video head chip to the vacuum chuck formed at its tip and performing the work of reversing the video head chip inside out. . This front-back reversal operation is performed when the video head chip is in the posture 41c or 41d of FIG. 6.

The fifth station 8 is also provided with the above-mentioned transport device 15, which transports the video head chips that have undergone the front-back reversal process to the magazine 18a of the alignment storage device 18. That is, first, the transport head main body 100 is moved to the first drive mechanism by the first drive mechanism.
1 by moving to the right in Figure 3.
The workpiece holding spindle 101 is located above the table jig of the fifth station 8, and the second workpiece holding spindle 102 is located above the relay carry-out table 29. At this time, if the work rod 14a of the above-mentioned front/back reversing work device 14 is located on the table 3, the air cylinder 108 is activated to remove the vacuum chuck portion 10 of the first work holding spindle 101.
9 by a predetermined amount to prevent collision with the front/back reversing device 14. Next, the transport head main body 100 is lowered by the first drive mechanism, and the video head chip held on the table jig 3 or the front/back reversing device 14 is transferred to the first work holding spindle 1.
01's vacuum chuck part 109 and rises. Thereafter, the first workpiece holding spindle 101 is moved together with the transport head main body 100 to transport and place the video chip on the relay unloading table 29. In the next carry-out cycle, the first work holding spindle 101 carries out the next video head chip onto the relay carry-out table 29, and the second work holding spindle 102 suction-holds the video head chips on the relay carry-out table 29 for alignment as described below. Storage device 1
Carry it out to 8th.

Further, during this unloading process, defective products are removed by the defective product removal device 16. At this time, the first work holding spindle 101 of the conveying device 15 that has suctioned and held the defective product is moved up by the air cylinder 108 in advance, and the vacuum chuck part 109 is moved up to the relay unloading table 29. The defective video head chips are discharged onto a relay jig or a delivery chute of the defective product picking device 16 so as not to interfere with the defective product picking device 16 inserted above.

The video head chip alignment/storage device 18 is for arranging and storing video head chips in a disc-shaped magazine 18a.

The cleaning device 17 cleans the top surface of the table jig 3 by jetting air onto the top of the table jig 3 that has reached the sixth station (cleaning station) 9.

The posture alignment device using the unloading device of the present invention corrects the video head to a predetermined posture using the above-mentioned work units and devices.

[Effect of idea]

As is clear from the above description, according to the present invention, since the second drive mechanism that independently moves the first work holding spindle in the axial direction is provided, the second
It is possible to provide a conveyance device that can perform operations other than conveyance, such as reversing the front and back and discharging defective products, by appropriately operating the drive mechanism.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is a front view showing the main parts of the conveyance device, FIG. 2 is a side sectional view showing the drive mechanism of the device, and FIG. 3 is a posture alignment device. 4 is a front view, FIG. 5 is a block diagram showing the control system of the attitude alignment device, and FIG. 6 is a diagram showing the attitude of the video head chip when being supplied to the attitude alignment device. It is. 100... Transfer head main body, 101... First work holding spindle, 102... Second work holding spindle, 108... Air cylinder.

Claims (1)

[Scope of utility model registration request] A conveying head body that reciprocates horizontally by a relay movement distance and reciprocates vertically by a predetermined amount; a first and second work holding spindle, a first drive mechanism that causes the transfer head main body to perform a predetermined transfer operation including horizontal and vertical reciprocating movement, and a first drive mechanism that causes the first work holding spindle to reciprocate in the horizontal direction. A chuck or relay jig that can be inserted below the moving end and holds a workpiece, and a second drive mechanism that independently moves only the first workpiece holding spindle upward when the chuck or relay jig is inserted. A conveying device characterized by: