JPH08215558A - Work discharge device - Google Patents

Abstract

PURPOSE: To obviate mechanical operation defects and the failure of work and to improve the efficiency of a sorting operation by executing the suction operation of the works according to an instruction from a sorting mechanism, sucking the selected works by the opening of a suction nozzle and discharging the works from a transporting route. CONSTITUTION: The discharge device for expelling powder press molded goods 1 which are the works to be transported in the transporting route 2 has a suction operation means 15 which operates to suck the A powder press molded goods 1 in response with the instruction from the sorting mechanism arranged on the upstream side of the transporting route 2. The discharge device has the suction nozzle 17 which is arranged near the transporting route 2 and has the aperture 17a having the size in its height direction not exceeding the transverse size of the powder press molded goods 1 and a suction piping 19 which connects this suction operation means 15 to the suction nozzle 17. Further, the device has a housing case 21 which is arranged in the middle position of this suction piping 19 and houses the powder press molded goods 1 sucked from the aperture 17a of the suction nozzle 17.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
More specifically, the present invention relates to a device for discharging an object to be processed, which is used to remove the object to be processed from a conveyance path.

[0002]

2. Description of the Related Art Conventionally, in the production of a ceramic fired substrate for electronic parts, for example, a powder press-formed product 1 is produced by forming ceramic powder into a disk shape by a press or the like, It is common to bake.

Prior to firing, powder press-molded products 1 are selected based on whether or not required conditions such as weight are satisfied. As shown in FIGS. 3 and 4, each of the powder press-molded products 1 is placed in a horizontal position on the turntable 3 and then conveyed.

That is, on the upstream side (the left side in FIG. 3) of the conveying path 2 of the powder press-formed product 1 in the turntable 3 which is rotationally driven in a fixed direction (indicated by an arrow A in FIG. 3). For example, a quality determination means (not shown) including a combination of a weight sensor and the like and a microcomputer is arranged. In this quality determination means, the quality of predetermined conditions such as the weight of each powder press-molded product 1 is determined. Judgment is being made.

Further, a guide plate 7 and a non-defective product discharge chute 9 are provided at the downstream end (right side in FIG. 3) of the conveying path 2 to which the powder press-molded product 1 judged to be non-defective comes into contact and is slid off. On the other hand, a defective product excluding mechanism 4 for excluding the powder press-molded product 1 determined to be defective from the conveying route 2 is provided between the quality determining unit and the guide plate 7 on the conveying route 2. ing. Then, the defective product removing mechanism 4 responds to the defective product discharge chute 4a and the rod 4b in response to the instruction indicating that the defective product is output from the quality determining means.
It is equipped with a cylinder 4c for performing the backward movement of the rod 4b and a guide plate 4d attached to the tip end portion of the rod 4b. The guide plate 4d is moved backward to a position where it crosses the transport path 2 following the rod 4b. It is designed to be used.

Therefore, in this conventional example, as long as the powder press-formed product 1 being conveyed is judged to be a good product by the quality judgment means, as shown in FIG. 3, the guide plate 4d is conveyed on the turntable 3. As a result of being left inside the path 2, the powder press-formed product 1 passes below the rod 4b of the cylinder 4c, contacts the guide plate 7, and is then discharged from the non-defective product discharge chute 9.

When the powder press-molded product 1 is judged to be defective by the quality judgment means, as shown in FIG. 4, the cylinder 4c moves the guide plate 4d to the position where the guide plate 4d crosses the conveying path 2. As a result of the backward movement, the powder press-molded product 1 determined to be a defective product comes into contact with the guide plate 4d and is then discharged from the defective product discharge chute 4a, so that mechanical selection from a non-defective product is performed. Will be. If the quality determination unit determines that the next powder press-formed product 1 being conveyed is a good product, the guide plate 4d is moved forward to the initial position again by the cylinder 4c.

[0008]

However, the conventional apparatus for discharging an object to be treated has the following problems. If the thickness of the powder press molded product is as thin as 1 mm or less, for example, the powder press molded product may be sandwiched between the turntable and the guide plate. This may cause malfunction of the plate or damage to the powder press-molded product.

Further, the dust generated from the powder press-molded product may adhere to the sliding portion of the cylinder, and in such a case, inconvenience such as malfunction of the cylinder will occur.

Further, in the case where the object discharge device is constructed by using the cylinder, the cylinder for moving the guide plate backward in response to the instruction from the quality judgment means may cause an operation delay due to a mechanical factor. That is, since the response to the instruction from the quality judgment means is poor, for example, the operation following the high-speed rotation of the turntable required when selecting 200 powder press-formed products per minute is to be processed. It is difficult to make the discharge device perform the above, and the actual situation is that the efficiency of the sorting work cannot be improved.

The present invention was devised in view of these inconveniences, and it is possible to easily improve the efficiency of the sorting work without the risk of mechanical malfunction or damage of the object to be processed. It is an object of the present invention to provide a device for discharging an object to be processed.

[0012]

In order to solve the above problems, the present invention has completed an adsorption device for an object to be treated. The present invention is a device for discharging a processed object that conveys a processed object conveyed through a conveying path from the conveying path, wherein the treated object is discharged in response to an instruction from a sorting mechanism arranged upstream of the conveying path. Suction operation means for performing a suction operation of the object to be processed, and a suction nozzle which is arranged in the vicinity of the transfer path and has an opening whose size in the height direction does not exceed the size in the width direction of the object to be processed. And a suction pipe connecting between the suction operation means and the suction nozzle,
It is characterized in that it is provided at an intermediate position of the suction pipe and is provided with a storage case for storing the object to be processed sucked from the opening of the suction nozzle.

According to the present invention, when the support comes from the sorting mechanism arranged on the upstream side of the conveying path, the suction operation means performs the suction operation, and the objects to be treated sorted by the sorting mechanism are opened by the suction nozzle. The sheet is sucked and discharged from the transport path.

That is, the object to be processed is not discharged by a mechanical operation, but is discharged from the transfer path by a suction operation and remains in the storage case. Therefore, the mechanical operation does not interrupt the work and the object to be processed is not damaged.

Further, since the size of the opening of the suction nozzle in the height direction does not exceed the size in the width direction of the object to be processed, when the object to be processed is sucked from the suction nozzle, the object to be processed is It does not rotate, flip, or roll over. Therefore, it is possible to prevent the object to be processed from being caught or clogged near the suction nozzle.

Further, since the discharge method is based on suction, it is possible to instantly respond to the instruction from the quality judgment means, and even if the object to be processed is conveyed at a high speed on the conveying path, it can be surely discharged.

Further, in the present invention, it is preferable that the size of the opening of the suction nozzle in the height direction is substantially the same as the size of the object to be processed in the thickness direction.

Because of the shape of the opening of the suction nozzle, the suction force to the object to be processed is hardly in the vertical direction or the vertical direction of the object to be processed, but is concentrated in the horizontal direction or the horizontal direction, and the strong suction force is exerted. Occurs. Therefore, even if the same suction operation means is used, the suction force becomes stronger when the suction is performed by narrowing down the suction in the horizontal direction.

Further, according to the present invention, the suction nozzle includes an eave portion arranged to cover an upper portion of the transport path, a discharge portion engaged with the suction pipe, and the discharge portion through the opening portion. And a slanted portion provided between the two.

This is because the eaves further improve the suction force in the horizontal direction, and the object to be processed discharged from the opening is cracked by smoothly passing the inclined part in a stable posture. This is because it is surely sent to the discharge section without chipping.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An apparatus for discharging an object to be processed according to an embodiment of the present invention will be described below with reference to FIGS.
FIG. 1 is an explanatory view showing an arrangement state of a processing object discharging apparatus according to the present embodiment, and FIG. 2 is a structural diagram showing a simplified overall configuration of the processing object discharging apparatus according to the present embodiment. Is.

The discharge device for the object to be processed according to the present embodiment is provided at an intermediate position of the transfer path 2 through which the powder press-formed product 1 (object to be processed) which is a disk-shaped work made of ceramic is transferred. Powder press-molded product judged to be defective by 1
Only the powder press-molded products 1 are excluded from the transport path 2 and are selected after being judged as good or bad, as shown in FIG. 1, in a fixed direction (indicated by an arrow A in the drawing). It is placed on a turntable 3 (conveying means) which is rotationally driven along it in a horizontal posture and then conveyed.

That is, the turntable 3 has an upstream side (the left side in the drawing) of the conveying route 2 of the powder press-formed product 1.
Is a quality determination means (sorting mechanism) (not shown) configured by combining a weight sensor and the like with a microcomputer.
Are arranged, and the quality determination means is configured to perform quality determination based on required conditions such as the weight of each powder press molded product 1. Further, the quality determination means may be a rotary press that automatically measures the tableting pressure of the powder press-molded product 1 and makes a quality determination based on whether or not the measured value is within a set range.

At the downstream end (on the right side in the figure) of these conveying paths 2, the guide plate 7 which is judged to be a non-defective product and slides down the powder press-molded product 1 which is in contact therewith.
A non-defective product discharge chute 9 is provided.

A side guide 5 is provided on the outer peripheral edge of the turntable 3 so that the powder press-molded product 1 is prevented from jumping out by the centrifugal force of the turntable 3.

Then, the conveying path 2 for the powder press-formed product 1
2, a vacuum generator 11 and a switching valve 13 are provided between the quality determining means provided on the upstream side and the quality discharge guide plate 7 provided on the downstream side end, as shown in FIG. Suction operation means 15, a suction nozzle 17 arranged at a position facing the turntable 3 via the powder press-formed product 1 being conveyed, and a suction operation means 15 having an opening of a predetermined width formed therein. A suction pipe 19 arranged so as to connect between the suction pipe 17 and the suction nozzle 17, and a storage case 21 arranged at an intermediate position of the suction pipe 19 are installed. The suction nozzle 17 is fixed at a desired position by a stopper 18.

Here, the structure of the suction nozzle 17 will be described in detail with reference to FIGS. 1 and 2. This suction nozzle 1
Reference numeral 7 denotes an opening 17a provided in the vicinity of the outer peripheral edge of the turntable 3 and the powder press-formed product 1 passing through the conveying path 2.
Eaves 1 provided on the upper part of the transport path 2 so as to cover the
7b, a discharge part 17c connected to the suction pipe 19 provided next, and an inclined part 17d for guiding the powder press-formed product 1 from the opening 17a to the discharge part 17c.

The opening 17a includes an eaves portion 17b and an inclined portion 17b.
It is formed between d and d and has a rectangular shape such as a rectangle.

The size in the height direction (vertical direction) is substantially the same as the size in the thickness direction (vertical direction) of the disk-shaped powder press-formed product 1. In addition,
Here, the size in the thickness direction (vertical direction) of the powder press-molded product 1 is the distance between the upper and lower circular opposing main planes of the powder press-molded product 1.

This is because the disk-shaped powder press-formed product 1 does not rotate, invert, or roll over, and furthermore, the vertical or vertical gap between the suction nozzles 17 is suppressed, and the suction force is exerted in the horizontal or horizontal direction. This is for concentrating and generating a strong suction force.

Here, the size of the opening 17a in the height direction (vertical direction) is at least the thickness direction (vertical direction) of the disk-shaped powder press-formed product 1 in consideration of the above-mentioned reason.
The size of the disk-shaped powder press-formed product 1 which is equal to or larger than the size of
It is preferable that the size is smaller than the size of the disk-shaped powder press-formed product 1 in the width direction (horizontal direction). Here, the size in the width direction (horizontal direction) of the powder press-formed product 1 is the diameter dimension of the circular main plane of the powder press-formed product 1.

Preferably, a disk-shaped powder press molded product 1
In order not to move the vertical direction so much, the disc-shaped powder press-formed product 1 has a size of 2 in the thickness direction (vertical direction).
The size should not exceed twice. More preferably, the size is substantially the same as the size in the thickness direction (vertical direction) of the disk-shaped powder press-formed product 1 shown above.

The size of the opening 17a in the longitudinal direction (horizontal direction) may be larger than the size of the powder press-formed product 1 in the width direction (horizontal direction).
It can be set freely as long as the suction force of is not significantly reduced.

As shown in FIG. 1, the eaves portion 17b has a fan shape centered on the upper semicircular portion of the discharge portion 17c, and has a shape in which the arc portion thereof is cut by a chord portion. are doing. That is, the eaves portion 17b has a trapezoidal upper bottom portion having a semicircular shape.

The eaves portion 17b is provided to improve the horizontal suction force of the suction operation means 15 generated from the opening portion 17a, and does not necessarily completely cover the powder press-formed product 1. It need not be provided in this way.

The size of the eaves 17b in the width direction (horizontal direction) may be different from the size of the opening 17a in the longitudinal direction (horizontal direction). Further, in order to improve the suction force. In addition, it may be inclined downward.

The discharge part 17c has a substantially L-shape which is a combination of a cylindrical pipe arranged in a substantially vertical direction and a cylindrical pipe arranged in a substantially horizontal direction.
17c1 is connected to the inclined part 17d, and the end part 17c2 of the discharge part 17c is engaged with a duct hose 23 which is a flexible suction pipe 19.

The discharge part 17c is formed in a substantially L shape by continuously dropping a plurality of powder press molded products 1 so that the powder press molded products 1 come into contact with each other in the suction nozzle 17. This is to prevent stagnation.
Therefore, it is not necessarily required to have a substantially L-shape, and as long as the powder press-formed product 1 can be moved smoothly, a discharge part having a desired inclined surface, for example, an R-shaped inclined surface may be used. Moreover, it is better to form the discharge part so that the powder press-formed product 1 is not damaged when dropped.

Further, the inclined portion 17d is close to the outer peripheral edge of the turntable 3 and the starting end portion 17d1 of the inclined portion 17d is substantially level with the surface of the turntable 3 so that the powder press-molded product is obtained. 1 is smoothly discharged.

The sloped portion 17d is provided in the same manner as in the discharge portion 17c, so that a plurality of powder press molded products 1 are provided.
This is to prevent the powder press-molded products 1 from coming into contact with each other and stagnating in the suction nozzle 17 by continuously dropping. Therefore, it does not necessarily have to be an inclined flat surface, and if the powder press-formed product 1 can move smoothly, it may be an inclined portion having a desired inclined surface, for example, an R-shaped inclined surface. Further, it is preferable that the powder press-formed product 1 is formed in consideration of the connection with the discharge part so that the powder press-formed product 1 is not damaged.

Further, the above-mentioned flexible duct hose 23 is attached between the storage case 21 and the suction nozzle 17, while the suction pipe 19 is provided between the storage case 21 and the suction operation means 15. Is provided with an air filter 25.

Although the storage case 21 here is directly connected to the suction nozzle 17 via the duct hose 23, it is not limited to such a direct connection structure, and the storage case 21 accumulates in the storage case 21. It goes without saying that the powder press-formed product 1 is taken out after the storage case 21 is opened.

Further, an output signal from the quality judgment means for judging the quality of the powder press-molded product 1 is inputted to the switching valve 13 which constitutes the suction operation means 15, and this switching is carried out. The valve 13 is responsive to an instruction from the pass / fail judgment unit that the product is defective, and the vacuum generator 11 is provided.
And the suction pipe 19 are connected to each other.

Incidentally, the illustration of the relay mechanism for operating the switching valve 13 in response to the output signal from the quality judgment means is omitted.

Therefore, as long as the quality judging means in this embodiment judges that the powder press-formed product 1 being conveyed is a good product, the switching valve 1 constituting the suction operation means 15
3 does not operate, and each of the powder press-molded products 1 follows the rotation of the turntable 3 and the suction nozzle 1
7 will pass below the opening of the guide plate 7
And is discharged from the non-defective product discharge chute 9.

Further, when the quality determination means determines that the powder press-molded product 1 is defective, the quality determination means outputs an instruction to the switching valve 13 that the product is defective. As a result of the switching valve 13 operating in response to the instruction, the vacuum generator 11 and the suction pipe 19 are instantly communicated with each other. As a result, the powder press-molded product 1 determined to be defective is discharged from the opening of the suction nozzle 17. It will be sucked in, and will be stored in the storage case 21 after being carried.

When there is no instruction from the quality judgment means, the switching valve 13 returns to the initial state, and as a result, the communication state between the vacuum generator 11 and the suction pipe 19 is canceled. The selection of the powder press-formed product 1 is repeated again.

It is needless to say that the switching valve 13 may be automatically restored or may be configured to be restored upon receipt of an instruction from the quality judgment means. Will be selected accordingly.

In the above description, the powder press-molded product 1 is a disk-shaped work made of ceramic, but the invention is not limited to this. For example, the powder press-molded product 1 is fired. It is also possible to apply the present invention to the obtained ceramic fired substrate or the like for selection.

[0050]

EFFECTS OF THE INVENTION The device for discharging a material to be processed according to the present invention has no fear of causing mechanical malfunction or damage to the material to be processed, and can easily carry out the sorting operation reliably and at high speed. Is.

The present invention also provides claim 2 or claim 3.
It is possible to more reliably discharge the object to be processed by the apparatus for discharging the object to be processed described in.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing an embodiment of the present invention.

FIG. 2 is a structural diagram showing an embodiment of the present invention.

FIG. 3 is an explanatory view showing a conventional device for discharging an object to be treated.

FIG. 4 is an explanatory view showing a conventional device for discharging an object to be treated.

[Explanation of symbols]

 1 powder press molded product (processed object) 2 transport path 3 turntable (transport means) 4 defective product removal mechanism 4a defective product discharge chute 4b rod 4c cylinder 4d guide plate 5 side guide 7 guide plate 9 good product discharge chute 11 vacuum generation Device 13 Switching valve 15 Suction operation means 17 Suction nozzle 17a Opening 17b Eaves 17c Discharge 17d Inclination 18 Stopper 19 Suction piping 21 Storage case 23 Duct hose 25 Air filter

Claims (3)

[Claims] 1. A discharge device for an object to be processed, which removes an object to be processed, which is conveyed on a conveying path from the conveying path, in response to an instruction from a sorting mechanism arranged on the upstream side of the conveying path, Suction operation means for performing a suction operation of the object to be processed, and suction having an opening which is arranged in the vicinity of the transport path and whose size in the height direction does not exceed the size in the width direction of the object to be processed. A nozzle, a suction pipe that connects between the suction operation means and the suction nozzle, and an object to be processed that is arranged at an intermediate position of the suction pipe and that is sucked from the opening of the suction nozzle. An apparatus for discharging an object to be processed, comprising: a storage case. 2. The processing object according to claim 1, wherein the size of the opening of the suction nozzle in the height direction is substantially the same as the size of the processing object in the thickness direction. Object discharge device. 3. The suction nozzle is provided between an eaves portion arranged to cover an upper portion of the transport path, a discharge portion engaged with the suction pipe, and the opening portion to the discharge portion. 3. The discharging device for the object to be processed according to claim 1 or 2, further comprising: