JP2007062168A - Apparatus subsidiary to production facility - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To simply demonstrate a static electricity removing effect on a workpiece by installing a static electricity removing means efficiently in an apparatus such as a molding ejector subsidiary to a production facility. <P>SOLUTION: The molding ejector 1 has an ejection head 3 which ejects the molding from a mold 50 and holds it as a moving body, a vertically moving arm 23 fitted with the ejection head 3, an extraction arm 22 moving the vertically moving arm 23 forward/backward in the mold opening/closing direction of a molding machine 5, and a horizontally moving arm 21 which supports the extraction arm 22 forward/backward movably and extends rectangularly to the mold opening/closing direction of the molding machine 5 as an arm guiding the transfer of the moving body. A static electricity removing device 4 forming a static electricity removing atmosphere toward the mold 50 of the molding machine 5 is set at a position above a fixed platen 51 in the horizontally moving arm 21. The molding produced by the molding machine 5 is exposed to the static electricity removing atmosphere while being taken out from the mold 50 so that static electricity can be removed. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention is a production equipment ancillary apparatus equipped with a transport means capable of holding and transporting a workpiece produced in a production facility by a moving body, for example, a molded product take-out machine that takes out a molded product from a molding machine, The present invention relates to a technique for efficiently removing static electricity charged on a molded product as a workpiece.

For example, a resin molded product produced by a molding machine is taken out from a mold of the molding machine by a molded product take-out machine and opened to a subsequent process device such as a conveyor at a predetermined collection position. In addition, it may be charged with static electricity when it touches or rubs the take-out head of a molded product take-out machine. For this reason, conventionally, a technique is known in which an electrostatic removal device is fixedly installed at the collection position and the post-processing device, and static electricity of the molded product collected by the molded product take-out machine is removed (Patent Document 1). Patent Document 2).
JP 2001-79856 A JP-A-8-96425

  However, since the static eliminator is fixedly installed at the collection position and the post-processing device, the area from which the static eliminator is removed is limited, and it is difficult to easily improve the static eliminator of the molded product. . In other words, increasing the number of static eliminators installed to increase the static eliminator effect increases the occupation rate of the static eliminator installation space, leading to a deterioration in the installation efficiency of other necessary equipment, and taking out molded products. May be complicated. In addition, the initial cost and running cost of the static eliminator are increased, and the installation and maintenance work is complicated. For these reasons, there is a risk that the production efficiency of molded products may be hindered.

  This invention is made | formed in view of the said situation, and makes it a subject to make it easy to exhibit the static electricity removal effect with respect to a workpiece | work by efficiently installing a static electricity removal means in a production equipment incidental apparatus.

(1) The production equipment auxiliary device according to the present invention is the production equipment auxiliary device provided with the conveyance means capable of holding and conveying the work produced by the production equipment by the moving body, and the electrostatic discharge means is provided in the conveyance means. It is characterized by that.
As a result, the workpiece transferred by the transfer means is exposed to the static electricity removal atmosphere in conjunction with the transfer of the transfer means, and the static electricity can be removed.

(2) The static electricity removing means may be provided on a moving body of the conveying means.
As a result, a static electricity removal atmosphere can be formed at the destination immediately before the moving body, and the workpiece held by the moving body is exposed to the static electricity removal atmosphere along with the approach, holding, opening, etc. of the moving body. Can be removed.

(3) The production equipment accessory device is a molded product take-out machine that takes out a molded product from a mold of the molding machine and opens it to a predetermined collection position. The molded product take-out machine uses the molded product as the conveying means. It may be provided with a moving body including an extraction head that is taken out from the mold and held, an arm that moves the extraction head, and an arm that guides the transfer of the moving body.
As a result, the molded product produced by the molding machine can be removed from the static electricity by being exposed to the static electricity removal atmosphere in conjunction with taking out from the mold, transferring, opening at the collection position, and the like.

(4) The molded product take-out machine has, as the moving body, a take-out head for taking out and holding the molded product from the mold, a lifting arm provided with the take-out head, and the lift arm in the mold opening / closing direction of the molding machine. A pull-out arm that moves forward and backward, and static electricity removing means may be provided on the pull-out arm.
As a result, an atmosphere for removing static electricity can be formed toward the take-out head that holds the molded product, and the molded product produced by the molding machine can be removed from the mold, transferred, opened at the collection position, etc. Static electricity can be removed by exposure to static electricity removal atmosphere.

(5) The molded product take-out machine has, as the movable body, a take-out head for taking out and holding the molded product from the mold, a lifting arm provided with the take-out head, and the lift arm in the mold opening / closing direction of the molding machine. A pull-out arm that moves forward and backward, and as an arm that guides the transfer of the moving body, includes a traverse arm that supports the pull-out arm so as to move forward and backward and extends in a direction perpendicular to the mold opening and closing direction of the molding machine. The static electricity removing means may be provided at a position substantially above the fixed platen in the traverse arm.
As a result, an atmosphere for removing static electricity can be formed toward the mold (molding machine) and the take-out head that holds the molded product, and the molded product produced by the molding machine can be electrostatically discharged while being removed from the mold. Static electricity can be removed by exposure to the removal atmosphere.

(6) The static electricity removing means may be constituted by a jet nozzle capable of jetting static electricity removing air.
As a result, when the static electricity removing means is provided, the conveying means is hardly subjected to a heavy load, so that the static electricity can be removed from the molded product without hindering the molded product removing operation of the molded product take-out machine.

  As described above, according to the present invention, the static electricity removing means can be efficiently installed in the production equipment incidental device, and the effect of removing static electricity on the workpiece can be easily exhibited.

Embodiments of the present invention will be described below with reference to the drawings.
In the present embodiment, a description will be given by taking a molded product take-out machine attached to a molding machine of a production facility as the production equipment incidental device of the present invention.

(Embodiment 1)
As shown in FIG. 1, the molded product take-out machine 1 according to the first embodiment is a traverse type and is mounted on a molding machine 5. As an external configuration of the molded product take-out machine 1, an arm mechanism 2 extending in the respective XYZ axial directions and a take-out head 3 for taking out a molded product from a mold 50 of the molding machine 5 are provided. In addition, an operation terminal device 10 that performs operations such as start / stop of automatic operation and teaching operation is connected to the molded product take-out machine 1 with a cable K. Note that the operation terminal device 10 may be connected to the molded product take-out machine 1 so as to be communicable wirelessly.

The arm mechanism 2 includes a traverse arm 21 extending in a direction orthogonal to the mold opening / closing direction of the molding machine 5 (Y direction in FIG. 1), and a mold opening / closing direction of the molding machine 5 (X direction in FIG. 1). The drawing arm 22 is extended, and the lifting arm 23 is extended in the vertical direction of the molding machine 5 (Z direction in FIG. 1).
The traverse arm 21 is mounted and fixed on a fixed platen 51 facing the movable platen 52 in the molding machine 5. The pull-out arm 22 is mounted on the traverse arm 21 and is moved back and forth in a direction orthogonal to the mold opening / closing direction (Y direction in FIG. 1) by a first drive source (not shown) such as a servo motor. The elevating arm 23 is suspended from the pulling arm 22 and is moved back and forth in the mold opening / closing direction (X direction in FIG. 1) by a second drive source (not shown) such as a servo motor. It is moved up and down in the vertical direction (Z direction in FIG. 1) of the molding machine 5 by three drive sources (not shown).

  The take-out head 3 is attached to the lower end of the elevating arm 23, holds and takes out a molded product as a product from the mold 50, releases the hold at a predetermined collection position outside the molding machine 5, and releases the molded product. To recover. Further, the take-out head 3 is configured so that its molded product holding surface can be rotated in a reverse orientation between a vertical posture and a horizontal posture, or can be horizontally rotated in a vertical posture.

  In this molded product take-out machine 1, the arm mechanism 2 of the traversing arm 21, the extraction arm 22 and the lifting arm 23 and the take-out head 3 constitute a conveying means, and among these, the extraction arm 22, the lifting arm 23 and the take-out arm 23 The head 3 constitutes a moving body.

  The transverse arm 21 is provided with a static electricity removing device 4 (static electricity removing means) that forms a static electricity removing atmosphere toward the mold 50 of the molding machine 5. That is, the static eliminator 4 is attached to the side of the traverse arm 21 above the fixed platen 51 facing the mold 50 side of the base 210 via a fixing bracket b such as a bracket.

  As the static eliminator 4, for example, although not shown, a static eliminator ion generator that generates both + (plus) and − (minus) ions by corona discharge in the main body 40, and static eliminator including these ions A fan that generates air, and the fan is driven so that static electricity removing air is ejected from an ejection port 41 provided in the main body 40. In the static eliminator 4, the ejection port 41 is provided at the lower portion of the main body 40, and the ejection port 41 is disposed so as to face the mold 50 of the molding machine 5. Accordingly, the static electricity removing air that is ejected from the ejection port 41 of the static electricity removing device 4 forms a static electricity removing atmosphere in which static electricity removing ions float in the mold 50 and its peripheral area. Note that a louver that swings with a stepping motor or the like is provided at the ejection port 41 so that static electricity removing air from the ejection port 41 is sequentially and uniformly ejected to the entire mold 50 and its surrounding area. May be.

  The molded product take-out machine 1 performs the following basic take-out operation. That is, when the mold 50 of the molding machine 5 is opened, the take-out head 3 is lowered from the standby position above the molding machine 5 to enter the mold 50 to hold the molded product and hold the molded product from the mold 50. Subsequently, after the take-out head 3 holding the molded product is raised and retracted out of the mold 50, the molded product is recovered at a predetermined recovery position at the front end side of the transverse arm 21 away from the molding machine 5. . Thereafter, when the takeout head 3 is returned to the standby position again, one takeout cycle is completed.

  Accordingly, since the static electricity removing atmosphere is formed in the mold 50 and the surrounding area by the static eliminator 4, the molded product produced by the molding machine 5 is taken out from the mold 50 by the take-out head 3 and taken out. While the head 3 is raised, the static electricity removing atmosphere is exposed. Therefore, static electricity is removed from the molded product while it is taken out from the mold 50 by the take-out head 3. At the same time, the mold 50 of the molding machine 5 and the take-out head 3 holding the molded product are also exposed to this static electricity removal atmosphere, so that it is possible to prevent the molded product from being charged with static electricity via the mold 50 and the take-out head 3. The

Thus, according to the molded product take-out machine 1 according to the first embodiment, the molded product produced by the molding machine 5 can be removed of static electricity while being taken out from the mold 50, and the mold is removed. No static electricity is charged through 50 or the take-out head 3. Accordingly, it is possible to easily improve the static electricity removing effect on the molded product without increasing the number of installed static electricity removing devices 4, and to reduce various costs (initial cost, running cost, etc.) related to the static electricity removing device 4 more than necessary. There is no increase.
Moreover, since the static eliminator 4 is provided on the side surface of the base 210 of the traversing arm 21 in the molded product take-out machine 1, a large installation space is not required. Therefore, by providing the static eliminator 4, there is no hindrance to the installation of other necessary peripheral devices, the molded product take-out operation of the molded product take-out machine 1, the work of the operator, etc. Without obstructing, it is possible to efficiently improve the static electricity removing effect on the molded product.

(Embodiment 2)
As shown in FIG. 2, in the molded product take-out machine 1 a according to the second embodiment, the static eliminator 4 a (static eliminator) is attached to the lower surface of the extraction arm 22 via the fixing bracket b, and the jet of the static eliminator 4 a It is arranged so that the mouth opening 41 is directed downward. Other configurations are the same as those of the first embodiment.

Thereby, in the area where the extraction arm 22 is transferred along the traversing arm 21, that is, in the area below the extraction arm 22 between the mold 50 position of the molding machine 5 and the recovery position of the molded product, The static electricity removal atmosphere where the static electricity removal ions ejected from the ejection port 41 of 4a floated is formed. Accordingly, the molded product produced by the molding machine 5 is exposed to the static elimination atmosphere during removal from the mold 50, transfer, opening at the collection position, etc., and static electricity is removed. At the same time, the mold 50 of the molding machine 5 and the take-out head 3 holding the molded product are also exposed to this static electricity removal atmosphere, so that it is possible to prevent the molded product from being charged with static electricity via the mold 50 and the take-out head 3. The
Thus, also in the molded product take-out machine 1a according to the second embodiment, the effect of removing static electricity on the molded product can be improved easily and efficiently.
Note that the pull-out arm 22 may be configured as a both-side holding type in which the lifting arm 23 is sandwiched between the left and right.

(Embodiment 3)
As shown in FIG. 3, in the molded product take-out machine 1b (not shown) according to the third embodiment, the static eliminator 4b (static discharge means) is removed from the molded product holding surface 30 of the take-out head 3 via the fixing bracket b. It is arranged so as to be directed to a molded product that the ejection port 41 of the static eliminator 4b is held by the ejection head 3. Other configurations are the same as those of the first embodiment.

Thereby, a static electricity removing atmosphere in which static electricity removing ions ejected from the ejection port 41 of the static electricity removing device 4b float is formed on the molded product holding surface 30 of the take-out head 3. Therefore, the molded product produced by the molding machine 5 is exposed to the static electricity removing atmosphere while being held by the take-out head 3, and static electricity is removed.
Thus, also in the molded product take-out machine 1b according to the third embodiment, the effect of removing static electricity on the molded product can be improved easily and efficiently.

(Embodiment 4)
As shown in FIG. 4, in the molded product take-out machine 1c according to the fourth embodiment, the static electricity removing device main body 40 is provided on the base 210 of the traversing arm 21, and the ejection nozzle 4c (static electricity removing means) that jets static electricity removing air. Are provided on the lower surface of the extraction arm 22 and the molded product holding surface 30 of the take-out head 3, and the ejection nozzle 4c and the static electricity removing device main body 40 are connected by a tube C. The static eliminator main body 40 includes a static eliminator ion generator and a fan (not shown), and the tube removes static eliminator air including static eliminator ions generated by the static eliminator ion generator by driving the fan. It is made to eject from each said ejection nozzle 4c through C. Other configurations are the same as those of the first embodiment.

  Thereby, even in the molded product take-out machine 1c according to the fourth embodiment, as in the second and third embodiments, the molding machine 5 is positioned between the mold 50 position and the molded product opening position. In the lower area of the extraction arm 22 and the molded product holding surface of the take-out head 3, a static electricity removal atmosphere is formed in which the static electricity removal ions ejected from the ejection nozzle 4c float. Therefore, also in the molded product take-out machine 1c according to the fourth embodiment, the molded product produced by the molding machine 5 is held by the take-out head 3 during taking-out from the mold 50, transfer, opening at the collection position, etc. Since the static electricity is removed by being exposed to the static electricity removing atmosphere during the process, the static electricity removing effect on the molded product can be improved easily and efficiently.

Further, in the fourth embodiment, a relatively light weight static eliminator main body 40 is not provided on the pull-out arm 22 or the pick-up head 3 that is a moving body, and the pull-out arm 22 or the pick-up head 3 has a lightweight jet. Only the nozzle 4c is provided. Accordingly, when the static eliminator is provided, a load is hardly applied to the movable body such as the extraction arm 22 and the take-out head 3, so that the molded product take-out operation of the molded product take-out machine 1c is not hindered.
Note that the ejection nozzle 4c as static electricity removing means may be provided on either the extraction arm 22 or the extraction head 3.

(Other)
The present invention is not limited to the above embodiments.
For example, as a molded product take-out machine, not only the traverse type, but also a side entry type that takes out a molded product from the side of the mold 50, or a swivel type that takes out the molded product of the mold 50 by pivoting an arm. For example, it may be a molded product take-out machine.
Further, the molding machine on which the molded product take-out machine is mounted may be either a vertical type or a horizontal type as long as the clamping and opening operations are performed.
Further, the production equipment incidental device is not limited to the above-described molded product take-out machine, and may be various industrial robots provided with a conveying means for conveying a workpiece that can be charged with static electricity.

It is a perspective view which shows the state which provided the static eliminating device in the traversing arm in the molded article extraction machine by Embodiment 1. FIG. It is a side view which shows the state which provided the static eliminating device in the extraction | drawer arm in the molded product extraction machine by Embodiment 2. FIG. 10 is a plan view showing a take-out head provided with a static electricity removing device in a molded product take-out machine according to Embodiment 3. It is a side view which shows the state which provided the ejection nozzle which ejects static electricity removal air in the molded article extraction machine by Embodiment 4.

Explanation of symbols

1, 1a, 1b, 1c Mold take-out machine 2 Arm mechanism 3 Take-out heads 4, 4a, 4b Static eliminator (static eliminator),
4c Jet nozzle (static discharge means)
DESCRIPTION OF SYMBOLS 5 Molding machine 21 Traverse arm 22 Pull-out arm 23 Lifting arm 40 Static electricity removal apparatus main body 41 Outlet 50 Mold 51 Fixed platen 52 Movable platen 210 Base C of traverse arm

Claims (6)

In the production equipment ancillary equipment equipped with a transport means capable of holding and transporting the workpiece produced by the production equipment by the moving body,
A production equipment incidental device, wherein the transport means is provided with static electricity removing means. In the production equipment incidental device according to claim 1,
The static electricity removing means is a production equipment incidental device provided on a moving body of the conveying means. The production equipment incidental device according to claim 1 or 2 is a molded product take-out machine that takes out a molded product from a mold of a molding machine and opens it to a predetermined collection position.
This molded product take-out machine includes, as the conveying means, a movable body including a take-out head that takes out and holds the molded product from the mold, an arm that moves the take-out head, and an arm that guides the transfer of the movable body. Production equipment incidental equipment. In the production equipment incidental device according to claim 3,
The molded product take-out machine, as the movable body, takes out and holds the molded product from the mold, an elevating arm provided with the take-out head, and moves the elevating arm back and forth in the mold opening / closing direction of the molding machine. With a pulling arm
A production equipment incidental device in which the drawing arm is provided with static electricity removing means. In the production equipment incidental device according to claim 3,
The molded product take-out machine, as the movable body, takes out and holds the molded product from the mold, a lifting arm provided with the take-out head, and moves the lifting arm forward and backward in the mold opening / closing direction of the molding machine. A pulling arm, and an arm for guiding the transfer of the movable body, a traverse arm that supports the pulling arm so as to be movable back and forth and extends in a direction perpendicular to the mold opening / closing direction of the molding machine,
A production equipment incidental device provided with static electricity removing means at a position substantially above the fixed platen in the traverse arm. In the production equipment auxiliary | assistance apparatus in any one of Claims 1 thru | or 5,
The static electricity removing means is a production equipment incidental device composed of a jet nozzle capable of jetting static electricity removing air.

Images