JP2006111437A - Dent preventive workpiece charging device, and dent preventive charging method using the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dent preventive workpiece charging device of excellent reliability and versatility capable of effectively reducing dents formed when charging workpieces of various molded products with the surfaces soft and easily damaged such as forged products before heat treatment or synthetic resin products immediately after molded by controlling a turning angle and turning speed in turning a product transport container, a workpiece charging height, or the like. <P>SOLUTION: This dent preventive workpiece charging device is provided with a turning holding part for turnably holding the product transport container for holding the workpieces of molded products; a turning drive mechanism for adjusting the turning angle and/or turning speed in turning the product transport container; and a workpiece receiving part disposed below the product transport container to guide the workpieces charged from the product transport container, to a product conveying part on the lower reaches. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention prevents the occurrence of dents when a workpiece such as a bolt such as a forged product before heat treatment or a synthetic resin product immediately after molding is soft and easily damaged is inserted. The present invention relates to a workpiece input device and a dusting prevention input method using the same.

2. Description of the Related Art Conventionally, various work input devices have been used to transport a work formed into a predetermined shape to the next process or the like. In particular, forged products such as bolts before the heat treatment process have a soft surface, so when a workpiece is dropped and thrown in, it collides with other workpieces that have been dropped earlier, causing impact on the surface, resulting in a decrease in yield. Had problems. For example, the following technology is known as a device for preventing the impact when the workpiece is inserted.
(Patent Document 1) states that “chute means disposed between a conveyor for conveying an article and a pallet and having an end on the conveyor side rotatably supported, and a free end side of the chute means are raised and lowered. Lifting means, passage opening / closing means for opening and closing the passage of the chute means to control the movement of the article, first detection means for detecting that the article has been transferred from the conveyor to the chute means, and the chute means rotating And the 2nd detection means which detects that the free end reached | attained the pallet is disclosed.
(Patent Document 2) states that “an inclined chute that moves a workpiece downward and a receiving frame that is continuously arranged near the lower end of the chute and vibrates the receiving frame in a direction different from the moving direction of the workpiece. A workpiece conveying device including a vibrating means having a vibrator is disclosed.
JP 7-242324 A JP 2002-2931 A

However, the above conventional technique has the following problems.
In (1) (Patent Document 1), since the chute means is rotated and the passage is opened and closed each time one article is transferred, there is a problem in that the work input efficiency is poor and the productivity is lacking. Moreover, the 1st detection means which detects that the articles | goods were transferred from the conveyor to the chute means, and the 2nd detection means which detects that the chute means rotated and the free end reached the pallet are required. Therefore, there has been a problem that the configuration is complicated and lacks in maintainability. In addition, the mechanism and method for charging the article from the upstream product carrying container to the chute means are not considered, and it is not suitable for applications in which a large amount of molded products such as bolts are charged at one time. There was a problem of lack of practicality.
(2) (Patent Document 2) does not take into account the means for vibrating the inclined chute, the mechanism for feeding the workpiece from the upstream product carrying container to the chute, and the molding method such as bolts. There was a problem that the anti-indentation action of the material was insufficient and the reliability and practicality were lacking.

  The present invention has been made to solve the above problems, and by controlling the rotation angle and rotation speed for rotating the product carrying container, the workpiece input height, etc., the forged product before heat treatment or immediately after forming is formed. Providing a high-reliability and versatile impact-preventing workpiece input device that can effectively reduce the impact generated when various workpieces such as synthetic resin products are soft and easily scratched. Collisions between workpieces can be prevented when throwing workpieces from a product carrying container containing workpieces, and the occurrence rate of impact can be reduced, and the workpieces can be reliably and efficiently guided to the downstream product conveyance section. The purpose is to provide a method for preventing dust injection that is highly practical and productive.

In order to solve the above-mentioned problems, a dust-injection work input device and a dust-in prevention input method using the same have the following configurations.
The hammering work input device according to claim 1 includes a rotation holding unit that rotatably holds a product transport container in which a workpiece of a molded product is accommodated, a rotation angle that rotates the product transport container, and And / or a rotation drive mechanism having a variable rotation speed, and a work receiving section that is disposed below the product transport container and guides the work loaded from the product transport container to a downstream product transport section. It has a configuration.
This configuration has the following effects.
(1) A rotation holding unit that rotatably holds a product transport container in which a workpiece of a molded product is stored, and a rotation drive mechanism that can rotate a product transport container and a rotation angle and / or a rotation speed variable. Therefore, according to the amount of the work accommodated in the product carrying container, the amount of the work accumulated in the inclined chute part and the product carrying part, etc., the turning angle for turning the product carrying container by the turning drive mechanism and Since the work can be thrown in while adjusting the rotation speed, a collision between the work collected in the work receiving part and the work put in from the product carrying container or the work collected in the product carrying part and the work receiving Collision with the workpiece sent out from the part hardly occurs, and damage such as hammering generated on the workpiece can be reduced.
(2) Since the work receiving part for guiding the work put from the product carrying container to the downstream product carrying part is arranged below the product carrying container, it is necessary to push out the work and securely The product can be sent to the product conveyance unit, and the workpiece can be conveyed to the next process by the product conveyance unit.

  Here, as a rotation holding part, what hold | grips or clamps the external shape of a product carrying container from the one side or both sides of a product carrying container is used suitably. If a plurality of types of rotation holding parts are prepared according to the size and shape of the product carrying container, it can be used for various product carrying containers simply by exchanging the turning holding part, and is excellent in versatility. Also, a convex or concave locking part is formed in advance on one or both sides of the product carrying container, and a fitting recess or fitting that is detachably fitted to the locking part of the product carrying container in the rotation holding part. A convex portion may be formed. Thereby, the fitting concave part or the fitting convex part of the rotation holding part can be fitted to the convex or concave engaging part of the product carrying container, and the product carrying container can be easily held rotatably. Can do.

An inclined chute, a belt conveyor, or the like is preferably used as the work receiving portion. In the case of an inclined chute, the loaded work can be automatically slid on the chute by its own weight and sent downstream. In the case of a belt conveyor, the inputted workpieces can be sequentially sent to the downstream side by synchronizing the rotation of the product carrying container by the rotation driving mechanism and the movement of the belt conveyor. In particular, by adjusting the rotation angle and rotation speed for rotating the product carrying container, the workpiece dropping speed and loading amount can be easily changed, so the workpiece can be loaded according to the moving speed of the belt conveyor. Therefore, it is possible to reliably prevent a collision between a workpiece that has been input first and a workpiece that is input later, and is excellent in reliability.
In addition, when an elastic member such as synthetic rubber or a soft synthetic resin sheet is laid as a cushioning material on the upper surface of the workpiece receiving portion, the impact when the workpiece is dropped after falling can be reduced. Can be prevented from being damaged. In addition, when guide plates are erected on both sides of the work receiving part, it can prevent the work from dropping from the side of the work receiving part, and can reliably guide the work to the downstream product conveyance part. Excellent.
Furthermore, a sensor for detecting the presence or absence of a workpiece may be provided between the downstream end of the workpiece receiving portion and the product conveying portion. In particular, the contact-type spring sensor can be installed so as to hang down from the upper side in an interdigital manner, and does not require an installation space, and is excellent in space saving.
In addition, a magnet conveyor, a step conveyor, etc. are used suitably as a product conveyance part.

It is preferable that the impact-preventing work input device includes a vertical movement drive unit that moves the rotation holding unit up and down, and a longitudinal movement drive unit that moves the rotation holding unit back and forth. As a result, it is possible to adjust the height and position at which the workpiece is thrown into the inclined chute portion, to reduce the occurrence of hitting the workpiece, and to have excellent versatility and reliability. In addition, when a plurality of rotation holding portions are provided, a plurality of product carrying containers containing workpieces on the upstream side are sequentially moved to the workpiece loading position above the inclined chute portion by the vertical movement driving portion and the longitudinal movement driving portion, It is possible to perform the input work and is excellent in productivity and practicality.
As the vertical motion drive unit and the longitudinal motion drive unit, for example, the base of the rotation holding unit and the support frame connected to the base are provided with recesses in the vertical direction and the longitudinal direction, A guide shaft is slidably passed through a ridge provided in the front-rear direction, the ridge and the ridge being loosely fitted and slid, the base of the rotation holding portion, or a support frame connected to the base. A guide hole that is inserted and slides in the vertical direction or the front-rear direction along the guide shaft is preferably used.

As the rotation drive mechanism, one that directly rotates the rotation holding unit, one that pushes up or pulls down one end of the product carrying container from below, or one that pulls up or pushes down from above can be used. As the drive unit of the rotation drive mechanism, a motor such as a servo motor or a stepping motor, a hydraulic cylinder, or the like is used. By controlling the rotation angle or expansion / contraction length, rotation speed or expansion / contraction speed of these drive units, the rotation angle and / or rotation speed for rotating the product carrying container can be made variable. When using a motor, the rotation shaft of the rotation holding unit is directly rotated by the motor, or a driven rotation unit such as a rotating disk or sprocket is disposed on the rotation shaft, and is disposed on the drive shaft of the motor. A drive transmission member such as a belt or a chain can be engaged and rotated on the outer periphery of the driving rotation unit and the driven rotation unit such as the rotating disk and sprocket.
In the case of using a hydraulic cylinder, one end of the cylinder is fixed to the frame of the apparatus main body, and one end of the product carrying container is pressed and pulled by the piston, whereby the product carrying container can be rotated.

A second aspect of the present invention is the impact-preventing work input device according to the first aspect, wherein the work receiving portion is a belt conveyor.
With this configuration, in addition to the operation of the first aspect, the following operation is provided.
(1) Since the workpiece receiving unit is a belt conveyor, the loaded workpiece can be automatically sent to the downstream product conveying unit simply by rotating the product carrying container by the rotation driving mechanism and dropping the workpiece. It is possible to improve the efficiency of the input work and shorten the work time.
(2) By synchronizing the rotation of the product carrying container by the rotation drive mechanism and the movement of the belt conveyor, the workpiece can be loaded in accordance with the moving speed of the belt conveyor, and the workpiece loaded first It is possible to reliably prevent collisions with workpieces that will be thrown in later and has excellent reliability.

  Here, as the belt of the belt conveyor, a sheet-like one made of synthetic rubber is preferably used. This is because the workpiece is not caught and is excellent in reliability at the time of conveyance, and the impact at the time of dropping can be reduced and damage to the workpiece can be reduced.

The invention described in claim 3 is the impact-preventing work input device according to claim 1, wherein the work receiving portion is higher on the upstream side where the work is input and lower on the downstream side where the work is delivered. Thus, it has the structure which is the inclination chute part formed so that it may incline.
With this configuration, in addition to the operation of the first aspect, the following operation is provided.
(1) Since the workpiece receiving portion is an inclined chute portion that is formed so that the upstream side to which the workpiece is thrown in is high and the downstream side to which the workpiece is sent out is low, the loaded workpiece is automatically weighted by its own weight. Since it can be slid on the chute and sent to the downstream side, power for moving the work from the upstream side to the downstream side is not required, and the power saving is excellent.

Here, as the inclined chute portion, a portion having a bottom surface portion and side portions erected on both sides of the bottom surface portion and having a substantially U-shaped cross section is preferably used. It is easy to insert the workpiece from above by forming the upper surface in a substantially U-shape, and at the same time, it can prevent the workpiece from spilling from both sides due to the side part, which is excellent in reliability and practicality. . The bottom surface portion may be formed by being inclined linearly or may be formed in a substantially arc shape. When the bottom surface of the inclined chute is formed in a substantially circular arc shape, the workpiece loaded from the product carrying container can be smoothly guided to the downstream product conveying unit, and the inside of the inclined chute moves to the product conveying unit. It is possible to prevent the workpiece from being damaged by hitting the workpiece until it reaches.
Moreover, when forming a bottom face part in a substantially circular arc shape, it is preferable to form so that a curvature radius may become large gradually toward the downstream from an upstream. As a result, when the workpiece is loaded from the product carrying container, the workpiece does not collect on the upstream side of the inclined chute part, and can be quickly guided to the downstream side, and on the downstream side, the workpiece moving speed can be reduced at a stretch. Since it can prevent sending to a product conveyance part, a workpiece | work can be smoothly moved along the curvature of a bottom face part, and it is excellent in the reliability at the time of conveyance. In particular, since the workpiece does not collect on the upstream side of the inclined chute portion, it is possible to prevent a collision between the workpiece that has been put in first and the workpiece that is thrown in later, and to prevent the occurrence of hitting.

A fourth aspect of the present invention is the impact-preventing work loading device according to any one of the first to third aspects, wherein the shaft support portion pivotally supports the downstream end portion of the inclined chute portion. And a tilt drive unit that tilts the upstream side of the tilt chute part around the shaft support part.
With this configuration, in addition to the operation of any one of claims 1 to 3, the following operation is provided.
(1) By having a shaft support portion that pivotally supports the downstream end of the tilt chute portion and a tilt drive portion that tilts the upstream side of the tilt chute portion around the shaft support portion, the tilt chute portion is tilted and inserted. As the workpiece is pushed out, it can be reliably delivered to the product transport unit, and the workpiece does not collect on the inclined chute, so that it is possible to prevent a collision between the workpiece loaded first and the workpiece loaded later. Thus, the workpiece can be loaded efficiently without causing damage such as hammering.

  Here, as the tilting drive unit, for example, a piston cylinder in which a piston is disposed on the back surface of the bottom surface of the tilting chute and an end of the cylinder is disposed on a base of the apparatus is used. In this case, by extending and contracting the piston cylinder, the piston presses and pulls the inclined chute portion, and the inclined chute portion rotates around the shaft support portion.

A fifth aspect of the present invention is the impact-preventing work loading device according to any one of the first to fourth aspects, wherein the rotation holding portion is pivotally supported by the base portion. A rotating shaft, an abutting portion disposed on the rotating shaft and abutting against a side surface of the product carrying container, and extending to the abutting portion and engaging with the upper and lower surfaces and the front and rear surfaces of the product carrying container, respectively. The rotation drive mechanism is provided on a driven rotation portion formed or disposed at an end of the rotation shaft, a drive portion, and a drive shaft of the drive portion. And a drive transmission member engaged with the outer periphery of the drive rotation unit and the driven rotation unit.
(1) Since the rotation holding part has an abutting part that abuts on the side surface of the product transport container, and a locking claw that extends to the abutting part and engages with the upper and lower surfaces and the front and rear surfaces of the product transport container. The product carrying container can be securely held, and even when the product carrying container is rotated, the product carrying container does not fall and excellent in reliability.
(2) Since the rotation holding portion has a rotation shaft that is pivotally supported by the base portion, the product carrying container held by the rotation holding portion can be easily moved only by rotating the rotation shaft. It can be rotated and the workpiece can be loaded.
(3) Since the rotation drive mechanism includes a driven rotation unit formed or disposed at the end of the rotation shaft, a drive unit, and a drive rotation unit disposed on the drive shaft of the drive unit. By engaging the drive transmission member with the outer periphery of the drive rotation unit and the driven rotation unit, the rotation of the drive unit can be transmitted to the rotation shaft, and the product transported held by the rotation holding unit The container can be reliably rotated.

Here, the contact portion is formed in a flat plate shape that contacts the side surface of the product transport container, and has any shape as long as the upper and lower surfaces and the front and rear surfaces of the product transport container respectively engage with the upper and lower surfaces and the front and rear surfaces. Such a shape may be used. In particular, when the contact part is formed in a substantially cross shape, it is possible to form a locking claw simply by bending each end part in a right angle direction, and it is excellent in productivity and the contact part is reduced in weight. It is possible to save labor of the apparatus and to have excellent mobility. In addition, since the locking claw is locked to the upper and lower surfaces and the front and rear surfaces at the approximate center in the longitudinal direction and height direction of the product carrying container, it is not affected by the dimensional accuracy of the product carrying container or the rotation holding part. It is possible to hold the product carrying container reliably and has excellent reliability. In particular, when a synthetic rubber or elastic synthetic resin sheet or the like is attached to the contact surface of the contact part or the locking claw with the product transport container, the product transport container can be prevented from slipping and the product transport container can be rotated. Excellent operation stability at the time.
In addition, when the position of the locking claw is made movable by forming the abutting portion so as to be extendable and contractable, it is possible to deal with product carrying containers having different dimensions and excellent versatility.

The rotation holding unit may hold the product carrying container from one side, or the product carrying container may be clamped from both sides by two turning holding units arranged opposite to both sides of the product carrying container. Good. When the product carrying container is sandwiched from both sides, the product carrying container can be firmly held, and the product carrying container does not fall during turning, and the stability and safety of the turning operation are excellent. In addition, it is preferable that the rotation holding unit is configured to slide the base portion and / or the rotation shaft in the left-right direction, or to make the contact portion contact the side surface of the product carrying container by expanding and contracting the rotation shaft. Used.
Moreover, the driven rotation part should just be provided in one rotation holding | maintenance part, and can rotate by one rotation drive mechanism.
A disk, sprocket, or the like having a concave groove on the outer periphery is suitably used for the driven rotation unit and the drive rotation unit. As the drive transmission member, a belt is preferably used when the driven rotation unit and the drive rotation unit are disks, and a chain is used when the sprocket is a sprocket.

A sixth aspect of the present invention is the impact-preventing work input device according to any one of the first to fifth aspects, wherein the vertical movement drive unit moves up and down the rotation holding unit and / or It has the structure provided with the back-and-forth movement drive part which performs the back-and-forth movement of the rotation holding part.
With this configuration, in addition to the operation of any one of claims 1 to 5, the following operation is provided.
(1) By having an up-and-down movement drive unit that raises and lowers the rotation holding unit, the product carrying container held by the rotation holding unit can be moved up and down, and the height of the work input to the work receiving unit can be increased. Since it can be adjusted, damage at the time of collision between the workpiece receiving portion and the workpiece can be reduced, and the occurrence rate of the workpiece impact can be reduced.
(2) By having the forward / backward drive unit that performs the forward / backward movement of the rotation holding unit, the product carrying container held by the rotation holding unit can be moved back and forth, and the input position to the workpiece receiving unit is adjusted. be able to. In particular, when the rotation holding unit is moved from the downstream side to the upstream side while rotating the rotation holding unit, it is possible to prevent a collision between the workpiece loaded first and the workpiece loaded later. The occurrence rate of impact can be reduced.

  Here, as the vertical movement drive unit, a vertical guide shaft is provided upright on a support frame connected to the base of the rotation holding unit, and the guide frame has a vertical guide hole through which the vertical guide shaft is slidably inserted. Those that are slid in the vertical direction are preferably used. In addition, when the guide frame is provided with a horizontal guide hole and a horizontal drive shaft with a slidably inserted horizontal guide shaft is provided, the rotation holding part can be moved back and forth, thus increasing the efficiency of the work loading operation. , Versatility can be improved.

7. The impact prevention charging method according to claim 7 is a container that rotatably holds the product carrying container by the rotation holding portion of the impact prevention work loading apparatus according to any one of claims 1 to 6. A holding step and a container turning step for turning the product carrying container by the turning drive mechanism.
This configuration has the following effects.
(1) The rotation holding unit includes a container holding step for rotatably holding the product transport container by the rotation holding unit, and a container rotation step for rotating the product transport container by the rotation drive mechanism. The product carrying container held in step 1 can be rotated to easily put the work into the work receiving portion.
Here, in the container rotation process, all the workpieces may be loaded into the workpiece receiving portion at once, or the workpiece loading is divided into a plurality of times while repeating the forward / reverse rotation of the product carrying container by the rotation holding portion alternately. May be performed.

The impact prevention throwing method according to claim 8 is the impact prevention throwing method according to claim 7, wherein, during the container pivoting step, the pivot holding portion is tilted by the longitudinal drive unit. It has the structure which performs the container movement process which raises the said rotation holding | maintenance part by the said vertical motion drive part so that it may move toward the upstream from the downstream of a chute | shoot part, and it may follow the inclination of the said inclination chute | shoot part.
With this configuration, in addition to the operation of the seventh aspect, the following operation is provided.
(1) During the container rotation process, the vertical movement drive unit moves the rotation holding unit from the downstream side of the inclined chute unit toward the upstream side, and the vertical movement drive unit follows the inclination of the inclined chute unit. By moving the container moving step to raise the rotation holding part, the product carrying container can be moved from the downstream side to the upstream side of the inclined chute part, so that the workpieces can be aligned to be input first. Collision between the workpiece that has been placed and the workpiece that is thrown in later can be prevented, and the occurrence rate of the workpiece can be reliably reduced.
(2) The container moving step moves the rotation holding unit from the downstream side of the inclined chute unit to the upstream side by the longitudinal movement driving unit, and rotates by the vertical movement driving unit along the inclination of the inclined chute unit. Since the holding part is raised, the product holding container held by the rotation holding part or the rotation holding part can be prevented from interfering with the inclined chute part, which is excellent in safety.
(3) By the container moving step, the rotation holding unit can be raised by the vertical movement drive unit along the inclination of the inclined chute unit, so that the work input height can always be kept constant, The occurrence of impact due to the collision with the inclined chute can be reduced.

The impact prevention throw-in method according to claim 9 is the impact prevention throw-in method according to claim 7 or 8, comprising a chute part tilting step in which the tilt chute part is tilted by the tilt drive part. have.
With this configuration, in addition to the operation of the seventh or eighth aspect, the following operation is provided.
(1) By having a chute part tilting step in which the tilt chute part is tilted by the tilt drive part, the workpiece accumulated in the tilt chute part can be pushed out and reliably delivered to the downstream product conveying part. Can be reliably prevented from colliding with the workpiece thrown into the workpiece and the workpiece thrown later.
Here, in the chute part tilting step, all the workpieces accumulated in the tilted chute part by one tilting action may be sent to the product conveying part, or the tilting chute part tilting action is performed in small increments at a small angle. The workpiece may be sent out repeatedly in a plurality of times.

A tenth aspect of the present invention is the impact prevention charging method according to any one of the seventh to ninth aspects, wherein the container rotation step is performed by the rotation drive mechanism of the product carrying container. It has the structure provided with the injection amount adjustment process which adjusts a rotation angle and / or a rotation speed.
With this configuration, in addition to the operation of any one of claims 7 to 9, the following operation is provided.
(1) The container rotation process includes an input amount adjustment process in which the rotation angle and / or rotation speed of the product carrying container is adjusted by a rotation drive mechanism, so that the type and quantity of workpieces or the workpiece receiving portion is accumulated. The amount and speed of workpiece input to the workpiece receiving section can be adjusted according to the quantity of workpieces received, and the amount of workpiece caused by a collision between the workpiece receiving section or the workpiece accumulated in the workpiece receiving section and the workpiece to be loaded later can be adjusted. It is possible to efficiently load and send workpieces without causing damage.
(2) Since the rotation angle can be adjusted in the loading amount adjustment process, even when only a small amount of workpiece remains in the product carrying container, all workpieces can be reliably loaded into the workpiece receiving portion. .

The invention described in claim 11 is the injection preventing injection method according to any one of claims 7 to 10, wherein the container rotating step and the chute portion tilting step are alternately repeated. is doing.
With this configuration, in addition to the operation of the fourth or fifth aspect, the following operation is provided.
(1) By alternately repeating the container rotation process and the chute part tilting process, the work input to the inclined chute part and the work to the product transport part on the downstream side are divided into multiple times while adjusting the input amount of the work. Can effectively prevent collision between workpieces at the time of loading, collision between workpieces accumulated on the downstream side of the slant chute or on the product conveyance section, and workpieces thrown later, and is efficient. It is possible to input a simple work.

A twelfth aspect of the present invention is the impact prevention charging method according to any one of the ninth to eleventh aspects, wherein the product is transported by the vertical movement drive unit as a pre-process of the container rotating process. A container lowering step for lowering the container and a container raising step for raising the product carrying container by the vertical movement drive unit as a pre-step of the chute tilting step are provided.
With this configuration, in addition to the operation of any one of claims 9 to 11, the following operation is provided.
(1) Since there is a container lowering step in which the product carrying container is lowered by the vertical movement drive part as a pre-process of the container rotating process, the product carrying container is brought close to the inclined chute part before the work is put, and the work throwing height is increased. It can be lowered, damage at the time of the collision between the inclined chute portion and the workpiece can be reduced, and damage such as hitting of the workpiece can be prevented.
(2) Since there is a container raising step for raising the product carrying container by the vertical movement drive unit as a pre-step of the chute portion tilting step, the product carrying container can be moved away from the inclined chute portion before the inclined chute portion is tilted upward. It is possible to prevent damage to the rotation holding part, the inclined chute part, the product carrying container, etc. without interference between the product carrying container and the inclined chute part.

  Here, by automatically repeating the container lowering process, the container rotating process, the container raising process, and the chute tilting process in the control unit, the workpiece can be loaded and delivered efficiently, and the productivity and reliability are improved. Excellent.

According to invention of Claim 1, it has the following effects.
(1) A rotation holding unit that rotatably holds a product transport container in which a workpiece of a molded product is stored, and a rotation drive mechanism that can rotate a product transport container and a rotation angle and / or a rotation speed variable. By adjusting the rotation angle and / or rotation speed of the product carrying container according to the amount of work accommodated in the product carrying container, the amount of work accumulated in the inclined chute part or the product carrying part, etc. The workpiece can be loaded while the workpiece collected in the workpiece receiving section collides with the workpiece loaded from the product carrying container, and the workpiece accumulated in the product conveying section and the workpiece sent out from the workpiece receiving section Therefore, it is possible to provide a highly reliable impact-injecting work input device that can reduce the occurrence of impact on the work.
(2) Since the work receiving part that guides the work thrown from the product carrying container to the downstream product carrying part is arranged below the product carrying container, the work carrying part for carrying the work to the next process is surely secured. It is possible to provide an anti-striking work input device excellent in reliability and productivity that can be supplied.

According to invention of Claim 2, in addition to the effect of Claim 1, it has the following effects.
(1) Since the workpiece receiving unit is a belt conveyor, the loaded workpiece can be automatically sent to the downstream product conveying unit simply by rotating the product carrying container by the rotation driving mechanism and dropping the workpiece. Therefore, it is possible to provide an impact-injecting work input device excellent in productivity and efficiency capable of simplifying the configuration and improving the efficiency of the input operation and shortening the operation time.
(2) By synchronizing the rotation of the product carrying container by the rotation drive mechanism and the movement of the belt conveyor, the workpiece can be loaded in accordance with the moving speed of the belt conveyor, and the workpiece loaded first In addition, it is possible to provide a highly reliable anti-pumping work input device capable of reliably preventing a collision with a work input later.

According to invention of Claim 3, in addition to the effect of Claim 1, it has the following effects.
(1) Since the workpiece receiving portion is an inclined chute portion that is formed so that the upstream side to which the workpiece is thrown in is high and the downstream side to which the workpiece is sent out is low, the loaded workpiece is automatically weighted by its own weight. Since it can be slid on the chute and sent to the downstream side, it is not necessary to provide power for moving the work from the upstream side to the downstream side. be able to.

According to invention of Claim 4, in addition to the effect of any one of Claims 1 thru | or 3, it has the following effects.
(1) By having a shaft support portion that pivotally supports the downstream end of the tilt chute portion and a tilt drive portion that tilts the upstream side of the tilt chute portion around the shaft support portion, the tilt chute portion is tilted and inserted. As the workpiece is pushed out, it can be reliably delivered to the product transport unit, and the workpiece does not collect on the inclined chute, so that it is possible to prevent a collision between the workpiece loaded first and the workpiece loaded later. In addition, it is possible to provide an impact-preventing work input device that is capable of efficiently inputting a work without causing damage such as an impact on the work and having excellent transport efficiency and reliability.

According to invention of Claim 5, in addition to the effect of any one of Claims 1 thru | or 4, it has the following effects.
(1) Since the rotation holding part has an abutting part that abuts on the side surface of the product transport container, and a locking claw that extends to the abutting part and engages with the upper and lower surfaces and the front and rear surfaces of the product transport container. Providing an anti-pumping work input device that can hold the product carrying container securely and does not fall when the product carrying container is rotated. be able to.
(2) By simply rotating the rotation shaft of the rotation holding unit, the product carrying container held by the rotation holding unit can be easily rotated, and the work can be loaded. It is possible to provide an excellent impact prevention work input device.

According to invention of Claim 6, in addition to the effect of any one of Claims 1 thru | or 5, it has the following effects.
(1) Since the product carrying container held by the rotation holding unit can be moved up and down by the vertical movement drive unit, the height of the workpiece loaded into the workpiece receiving unit can be adjusted. Therefore, it is possible to provide a throwing prevention work throwing device excellent in versatility and reliability that can reduce the occurrence rate of the hitting of the work due to the collision with the workpiece.
(2) By having the forward / backward drive unit that performs the forward / backward movement of the rotation holding unit, the product carrying container held by the rotation holding unit can be moved back and forth, and the input position to the workpiece receiving unit is adjusted. be able to. In particular, when the rotation holding unit is moved from the downstream side to the upstream side while rotating the rotation holding unit, it is possible to prevent a collision between the workpiece loaded first and the workpiece loaded later. Therefore, it is possible to provide an impact-preventing work throwing device excellent in practicality and reliability that can reduce the occurrence rate of impact.

According to invention of Claim 7, it has the following effects.
(1) Since the product carrying container held by the container holding process can be turned by the container turning process, it is possible to easily automate the loading operation of putting the work housed in the product carrying container into the work receiving portion. In addition, it is possible to provide an injection prevention method that is excellent in productivity.

According to invention of Claim 8, in addition to the effect of Claim 7, it has the following effects.
(1) During the container rotation process, the vertical movement drive unit moves the rotation holding unit from the downstream side of the inclined chute unit toward the upstream side, and the vertical movement drive unit follows the inclination of the inclined chute unit. By moving the container moving step to raise the rotation holding part, the product carrying container can be moved from the downstream side to the upstream side of the inclined chute part, so that the workpieces can be aligned to be input first. Therefore, it is possible to provide a highly reliable impact prevention throwing method that can prevent a collision between a workpiece that has been placed and a workpiece that is thrown in later, and that can reliably reduce the incidence of the impact of the workpiece.
(2) The container moving step moves the rotation holding unit from the downstream side of the inclined chute unit to the upstream side by the longitudinal movement driving unit, and rotates by the vertical movement driving unit along the inclination of the inclined chute unit. Since the holding portion is raised, it is possible to provide a safety-injecting and throwing-in prevention method that can prevent the rotation holding portion and the product carrying container held by the rotation holding portion from interfering with the inclined chute portion. .
(3) By the container moving step, the rotation holding unit can be raised by the vertical movement drive unit along the inclination of the inclined chute unit, so that the work input height can always be kept constant, It is possible to provide a dumping prevention charging method excellent in functionality and reliability that can reduce the occurrence of bumping due to a collision with an inclined chute portion.

According to invention of Claim 9, in addition to the effect of Claim 7 or 8, it has the following effects.
(1) Since the tilt chute can be tilted by the chute tilting step, the workpiece accumulated in the tilt chute can be pushed out and reliably delivered to the downstream product transport unit, and then the first shot Therefore, it is possible to provide a dumping prevention throwing method which is excellent in workpiece transportability and productivity without causing damage such as hitting due to collision between a workpiece and a workpiece thrown later.

According to the tenth aspect, in addition to the effect of any one of the seventh to ninth aspects, the following effects are provided.
(1) The container rotation process includes an input amount adjustment process in which the rotation angle and / or rotation speed of the product carrying container is adjusted by a rotation drive mechanism, so that the type and quantity of workpieces or the workpiece receiving portion is accumulated. The amount and speed of workpiece input to the workpiece receiving section can be adjusted according to the quantity of workpieces received, and the amount of workpiece caused by a collision between the workpiece receiving section or the workpiece accumulated in the workpiece receiving section and the workpiece to be loaded later can be adjusted. It is possible to provide a dumping prevention throwing method excellent in versatility and productivity capable of efficiently loading and feeding a workpiece without causing breakage.
(2) Since the rotation angle can be adjusted in the loading amount adjustment process, even when only a small amount of workpiece remains in the product carrying container, all workpieces can be reliably loaded into the workpiece receiving portion. It is possible to provide an injection prevention method with excellent reliability.

According to the eleventh aspect of the present invention, in addition to the effects of any one of the seventh to tenth aspects, the following effects can be obtained.
(1) By alternately repeating the container rotation process and the chute part tilting process, the work input to the inclined chute part and the work to the product transport part on the downstream side are divided into multiple times while adjusting the input amount of the work. Can effectively prevent collision between workpieces at the time of loading, collision between workpieces accumulated on the downstream side of the slant chute or on the product conveyance section, and workpieces thrown later, and is efficient. Therefore, it is possible to provide an anti-pumping injection method that is excellent in functionality and practicality that allows a simple workpiece to be input.

According to invention of Claim 12, in addition to the effect of any one of Claim 9 thru | or 11, it has the following effects.
(1) Since there is a container lowering step in which the product carrying container is lowered by the vertical movement drive part as a pre-process of the container rotating process, the product carrying container is brought close to the inclined chute part before the work is put, and the work throwing height is increased. It is possible to reduce the damage caused by the collision between the inclined chute portion and the workpiece, and to provide a throwing-in prevention throwing method excellent in reliability and functionality that can prevent the workpiece from being damaged.
(2) Since there is a container raising step for raising the product carrying container by the vertical movement drive unit as a pre-step of the chute portion tilting step, the product carrying container can be moved away from the inclined chute portion before the inclined chute portion is tilted upward. Provide a reliable and practical anti-pumping injection method that can prevent damage to the rotation holding part, inclined chute part, product carrying container, etc. without interference between the product carrying container and the inclined chute part. Can do.

Hereinafter, an impact-preventing work input device according to an embodiment of the present invention will be described with reference to the drawings.
(Embodiment 1)
FIG. 1A is a side view of the impact-preventing work throwing device according to the first embodiment, and FIG. 1B is a rear view of the impact-preventing work throwing device according to the first embodiment.
In FIG. 1, reference numeral 1 denotes an impact-preventing workpiece input device according to the first embodiment, 2 is a base of the impact-preventing workpiece input device 1 placed on the base 20, and 3 is an inclined chute portion 4 on the base 2. A shaft support portion that pivotally supports the downstream end portion, 4 is an inclined chute portion that is formed in a substantially arc shape and serves as a workpiece receiving portion that guides a workpiece loaded from the upstream side to a downstream product conveyance portion (not shown). 4a is a bottom surface portion of the inclined chute portion 4, 4b is a side surface portion of the inclined chute portion 4 erected on both sides of the bottom surface portion 4a, and 5 is a piston 5a disposed on the back surface of the bottom surface portion 4a of the inclined chute portion 4. An end of the cylinder 5b is a tilting drive unit disposed on the base 2 of the apparatus, 6 is a rotation holding unit for rotatably holding a product transporting container 15 in which a workpiece of a molded product is accommodated, and 6a is a rotating unit. The support frame of the moving holding part 6, 6 b is left on both sides of the support frame 6 a 6c is a rotation shaft of the rotation holding portion 6 pivotally supported by the base portions 6b on both sides, and 6d is a rotation shaft 6c. The abutting portion 6e of the rotation holding portion 6 formed in a substantially cross shape and abutting against the side surface 15a of the product carrying container 15 is formed by bending the end portion of the abutting portion 6d. A locking claw of the rotation holding portion 6 that engages with the upper and lower surfaces and the front and rear surfaces of the transport container 15, 7 is a rotation drive mechanism that can rotate the product transport container 15 and / or the rotation speed is variable. 7a is a driven rotation portion of the rotation drive mechanism 7 formed or disposed at the end of one rotation shaft 6c, and 7b is a drive portion of the rotation drive mechanism 7 using a motor such as a servo motor or a stepping motor. , 7c are drive rotation portions of a rotation drive mechanism 7 which is disposed on the drive shaft of the drive portion 7b and rotates, 7d A drive transmission member of a rotation drive mechanism 7 which is engaged with the outer periphery of the driven rotation unit 7a and the drive rotation unit 7c and transmits the rotation of the drive rotation unit 7c to the rotation shaft 6c. A vertical movement drive unit for moving the unit 6 up and down, 8a is a vertical guide shaft of the vertical movement drive unit 8 provided upright on both sides of the support frame 6a, and 8b is a vertical movement in which the vertical guide shaft 8a is slidably inserted. A guide frame of the drive unit 8, 8 c is a horizontal guide hole formed in the guide frame 8 b, and 9 is a horizontal guide shaft that is slidably inserted into the horizontal guide hole 8 c and moves the guide frame 8 b back and forth.

The inclined chute portion 4 is formed in a substantially U-shape with the upper surface opened, so that it is easy to load the workpiece from above, and at the same time, the side portion 4b can prevent the workpiece from spilling from both sides. Excellent in practicality and practicality. Further, the curvature radius of the substantially arc-shaped bottom surface portion 4a of the inclined chute portion 4 is formed so as to gradually increase from the upstream side toward the downstream side. As a result, the workpiece does not collect on the upstream side of the inclined chute portion 4 when the workpiece is loaded from the product carrying container 15 and can be quickly guided to the downstream side, and the workpiece moving speed is reduced on the downstream side. Can be prevented from being sent to the product conveying portion at a stretch, so that the workpiece can be smoothly moved along the curvature of the bottom surface portion 4a, and the reliability during conveyance is excellent. The extruded work is sequentially sent out to a product conveying section such as a belt conveyor, and the work is supplied to the next process. In particular, since the work does not collect on the upstream side of the inclined chute portion 4, it is possible to prevent a collision between the work that has been thrown in first and a work that is thrown in afterwards, and to prevent the occurrence of hitting.
The tilt drive unit 5 rotates the tilt chute 4 around the shaft support 3 by the piston 5 a pressing and pulling the tilt chute 4.
By disposing the base portion 6b of the rotation holding portion 6 so as to be slidable in the left-right direction with respect to the support frame 6a, the contact portions 6d of the rotation holding portion 6 are respectively provided on both side surfaces 15a, 15a of the product carrying container 15. The product carrying container 15 can be clamped from both sides. Instead of disposing the base portion 6b so as to be slidable in the left-right direction, the rotating shaft 6c may be slid in the left-right direction, or expanded or contracted.

  The abutting portion 6d of the rotation holding portion 6 is formed in a substantially cross shape, thereby reducing the weight and labor of the apparatus and improving the mobility. Further, since the contact portion 6d is formed in a substantially cross shape, the latching claw 6e can be formed simply by bending each end portion in a right angle direction, and the productivity is excellent. The abutment portion 6d clamps the product carrying container 15 from both sides, so that the product carrying container 15 is firmly held, and the product carrying container 15 does not fall at the time of turning, and the stability and safety of the turning operation. Has improved. Further, since the locking claw 6e is locked to the upper and lower surfaces and the front and rear surfaces at the approximate center in the longitudinal direction and the height direction of the product transporting container 15, the influence of the dimensional accuracy of the product transporting container 15 and the rotation holding unit 6 is affected. The product carrying container 15 can be reliably held without being subjected to high reliability. In particular, when a synthetic rubber or a synthetic resin sheet having elasticity is attached to the contact surface of the contact portion 6d or the locking claw 6e with the product carrying container 15, the product carrying container 15 can be prevented from slipping and the product carrying Excellent operational stability when the container 15 is rotated

As the driven rotation part 7a and the driving rotation part 7c, a disk or a sprocket having a groove on the outer periphery can be suitably used. As the drive transmission member 7d, a belt is preferably used when the driven rotation portion 7a and the drive rotation portion 7c are disks, and a chain is used when the sprocket is a sprocket.
Since the guide frame 8b of the vertical movement drive unit 8 for moving the rotation holding unit 6 up and down has a horizontal guide hole 8c and is slidably inserted into the horizontal guide shaft 9, it is rotated and held together with the guide frame 8b. The part 6 can be moved back and forth, the height and position at which the workpiece is thrown into the inclined chute 4 can be adjusted, and the occurrence of impact on the workpiece can be reduced, making it versatile and reliable. Excellent.

The impact prevention throwing-in method will be described based on the operation of the impact prevention work throwing device configured as described above.
In order to input a workpiece by the impact-preventing workpiece input device 1, first, the abutting portions 6 d and 6 d on both sides of the rotation holding portion 6 are brought into contact with both side surfaces 15 a and 15 a of the product carrying container 15 in the container holding step, respectively. Each latching claw 6e is engaged with the upper and lower surfaces and the front and rear surfaces of the product carrying container 15, and the product carrying container 15 is held rotatably (see FIG. 1).
Subsequently, in the container lowering step, the guide frame 8b of the vertical movement drive unit 8 is moved down along the vertical guide shaft 8a from the state shown in FIG. 1, and the product carrying container 15 is moved to the input height near the upper surface of the inclined chute unit 4. Let

Next, the container turning process will be described.
FIG. 2A is a side view showing the container turning process of the impact-preventing work loading apparatus in the first embodiment.
In FIG. 2A, by driving the drive part 7b of the rotation drive mechanism 7, the product carrying container 15 rotates together with the contact part 6d of the rotation holding part 6 disposed on the rotation shaft 6c. . At this time, the container turning step includes a loading amount adjusting step in which the turning angle and / or the turning speed of the product carrying container 15 is adjusted by the turning drive mechanism 7, so that the amount of work input from the product carrying container 15 is reached. And fall speed can be adjusted.
When the introduction of the workpiece is completed, in the container raising process, the guide frame 8b of the vertical movement drive unit 8 is raised along the vertical guide shaft 8a, and the product carrying container 15 is moved to the initial position so as to be away from the inclined chute part 4.

Next, a chute part tilting process will be described.
FIG. 2B is a side view showing the chute portion tilting process of the impact-preventing work throwing device in the first embodiment.
In FIG. 2 (b), the piston 5a of the tilt drive part 5 presses the bottom surface part 4a of the tilt chute part 4 upward, so that the tilt chute part 4 tilts counterclockwise around the shaft support part 3 and tilts. The work accumulated in the chute 4 is pushed out and sent downstream. Thereafter, by pulling the bottom surface portion 4a of the inclined chute portion 4 downward by the piston 5a of the tilt drive portion 5, the inclined chute portion 4 tilts clockwise around the shaft support portion 3 and returns to the initial position. In addition, the workpiece | work sent out by the inclination chute | shoot part 4 is sequentially conveyed to the downstream further process by product conveyance parts (not shown), such as a magnet conveyor and a step conveyor connected in succession downstream.
The workpiece can be efficiently loaded and delivered by the impact prevention feeding method that automatically repeats the container lowering process, the container rotating process, the container raising process, and the chute tilting process.

As described above, the impact-preventing work input device according to Embodiment 1 has the following effects.
(1) A rotation holding unit 6 that rotatably holds a product carrying container 15 in which a workpiece of a molded product is accommodated, and a rotation that rotates the product carrying container 15 and / or a rotation with a variable rotation speed. And the drive mechanism 7, so that the product transport container 15 is rotated by the rotation drive mechanism 7 in accordance with the amount of work accommodated in the product transport container 15, the amount of work accumulated in the inclined chute unit 4 and the product transport unit, and the like. Since the work can be thrown in while adjusting the turning angle and / or the turning speed for turning the workpiece, the workpiece accumulated in the inclined chute 4 and the workpiece thrown in from the product carrying container 15 Collision between the work accumulated in the product conveying section and the work delivered from the inclined chute section 4 hardly occurs, and damage such as hammering generated on the work can be reduced.
(2) By having the inclined chute part 4 formed in a substantially circular arc shape, the work put from the product carrying container 15 can be smoothly guided to the downstream product carrying part, and the work is aligned. Thus, it is possible to prevent the workpiece from being damaged such as hitting before it moves through the inclined chute unit 4 and reaches the product conveying unit.
(3) By having the shaft support portion 3 that pivotally supports the downstream end portion of the tilt chute portion 4 and the tilt drive portion 5 that tilts the upstream side of the tilt chute portion 4 around the shaft support portion 3, the tilt chute portion 4 is tilted so that the loaded workpiece can be reliably delivered to the product conveying section, and the workpiece does not collect on the tilt chute 4, so that the previously loaded workpiece and the later loaded workpiece collide with each other. Therefore, the workpiece can be loaded efficiently without causing damage such as staking.
(4) Since the inclined chute portion 4 is formed in a substantially U shape with the upper surface opened, it is easy to load the workpiece from above, and at the same time, the side portion 4b prevents the workpiece from spilling from both sides. It can be prevented and has excellent reliability and practicality.
(5) By forming the curvature radius of the bottom surface portion 4a of the inclined chute portion 4 formed in a substantially arc shape so as to gradually increase from the upstream side toward the downstream side, The workpiece does not collect on the upstream side of the inclined chute 4 and can be quickly guided to the downstream side. On the downstream side, the workpiece moving speed is reduced to prevent the workpiece from being sent to the product conveying unit at once. Therefore, the workpiece can be smoothly moved along the curvature of the bottom surface portion 4a, and the reliability during conveyance is excellent. In particular, since the work does not collect on the upstream side of the inclined chute portion 4, it is possible to prevent a collision between the work that has been thrown in first and a work that is thrown in afterwards, and to prevent the occurrence of hitting.
(6) The rotation holding portion 6 is in contact with the contact portion 6d that contacts the side surface 15a of the product carrying container 15, and the engagement that extends from the contact portion 6d and engages with the upper and lower surfaces and the front and rear surfaces of the product carrying container 15. Since the pawl 6e is provided, the product carrying container 15 can be reliably held, and even when the product carrying container 15 is rotated, the product carrying container 15 does not fall and is excellent in reliability.
(7) Since the rotation holding portion 6 has the rotation shaft 6c pivotally supported by the base portion 6b, the product held by the rotation holding portion 6 simply by rotating the rotation shaft 6c. The transport container 15 can be easily rotated, and a workpiece can be loaded.
(8) The rotation drive mechanism 7 includes a driven rotation portion 7a formed or disposed at the end of the rotation shaft 6c, a drive portion 7b, and a drive rotation disposed on the drive shaft of the drive portion 7b. Since the moving portion 7c is provided, the rotation of the driving portion 7b can be transmitted to the rotating shaft 6c by engaging the drive transmitting member 7d with the outer periphery of the driven rotating portion 7a and the driving rotating portion 7c. The product carrying container 15 held by the rotation holding unit 6 can be reliably rotated.
(9) Since the abutment portion 6d of the rotation holding portion 6 is formed in a substantially cross shape, the latching claw 6e can be formed simply by bending each end portion in a right angle direction. In addition, the contact portion 6d can be reduced in weight, the apparatus can be labor-saving, and the mobility is excellent.
(10) The product carrying container 15 can be firmly held by sandwiching the product carrying container 15 from both sides by the rotation holding portions 6 arranged to face each other, and the product carrying container 15 may fall during turning. It is excellent in the stability and safety of the rotating operation.
(11) By having the vertical movement drive unit 8 that moves the rotation holding unit 6 up and down, the product carrying container 15 held by the rotation holding unit 6 can be moved up and down, and the workpiece to the inclined chute unit 4 can be moved. Therefore, it is possible to reduce the damage at the time of the collision between the inclined chute portion 4 and the workpiece, and to reduce the occurrence rate of the workpiece hitting.
(12) The guide frame 8b of the vertical movement drive unit 8 that moves the rotation holding unit 6 up and down has a horizontal guide hole 8c, and is slidably inserted into the horizontal guide shaft 9, whereby the guide frame 8b. At the same time, the rotation holding unit 6 can be moved back and forth, so that the height and position of the workpiece loaded onto the inclined chute 4 can be freely adjusted, effectively reducing damage during workpiece loading. It can prevent the workpiece from being struck and has excellent versatility and reliability.

According to the impact prevention input method using the impact prevention work input device according to the first embodiment, the following operation is provided.
(1) By having a container holding step for holding the product carrying container 15 rotatably by the turning holding unit 6 and a container turning step for turning the product carrying container 15 by the turning drive mechanism 7, The product carrying container 15 held by the rotation holding unit 6 can be rotated to easily put the workpiece into the inclined chute unit 4.
(2) By having the chute part tilting step in which the tilting chute part 4 is tilted by the tilting drive part 5, the work accumulated in the tilted chute part 4 can be pushed out and reliably delivered to the product conveying part on the downstream side. In addition, it is possible to reliably prevent the impact due to the collision between the workpiece input first and the workpiece input later.
(3) Since the container rotation process includes an input amount adjustment process in which the rotation angle and / or the rotation speed of the product carrying container 15 is adjusted by the rotation drive mechanism 7, the type and quantity of the workpiece or the inclined chute part According to the quantity of workpieces accumulated in 4, the amount and speed of loading of workpieces into the inclined chute portion 4 can be adjusted, and workpieces accumulated in the inclined chute portion 4 or inclined chute portion 4 and workpieces thrown in later The workpiece can be efficiently loaded and delivered without causing damage such as staking or the like due to the collision with the workpiece.
(4) Since the rotation angle can be adjusted in the loading amount adjustment process, even when only a small amount of workpiece remains in the product transporting container 15, all the workpieces are reliably thrown into the inclined chute portion 4. Can do.
(5) By alternately repeating the container rotation process and the chute part tilting process, the work input to the inclined chute part 4 is divided into a plurality of times while adjusting the input quantity of the work, and the downstream product conveyance part Since the workpiece can be sent out, it is possible to effectively prevent the collision between the workpieces at the time of loading and the collision between the workpiece accumulated on the downstream side of the inclined chute 4 or the product conveying unit and the workpiece loaded later, Efficient work input is possible.
(6) Since there is a container lowering step for lowering the product transporting container 15 by the vertical movement drive unit 8 as a pre-process of the container rotating process, the product transporting container 15 is brought close to the inclined chute unit 4 before the work is loaded. The input height can be lowered, damage at the time of collision between the inclined chute portion 4 and the workpiece can be reduced, and damage such as hitting of the workpiece can be prevented.
(7) Since there is a container raising step for raising the product carrying container 15 by the vertical movement drive unit 8 as a pre-step of the chute part tilting step, the product carrying container 15 is inclined before the tilt chute 4 is tilted upward. 4, and the product carrying container 15 and the inclined chute part 4 can be prevented from interfering with each other, and the rotation holding part 6, the inclined chute part 4, the product carrying container 15, etc. can be prevented from being damaged.
(8) By automatically repeating the container lowering process, the container rotating process, the container raising process, and the chute tilting process, it is possible to efficiently put in and out the workpiece, which is excellent in productivity and reliability.

(Embodiment 2)
Hereinafter, an impact-preventing work loading apparatus according to Embodiment 2 of the present invention will be described with reference to the drawings. In addition, the same code | symbol is attached | subjected to the thing similar to Embodiment 1, and description is abbreviate | omitted.
FIG. 3 is a side view of the impact-preventing work input device according to the second embodiment.
The anti-striking work input device 1a according to the second embodiment of the present invention is different from the first embodiment in that it has a belt conveyor 14 instead of the inclined chute part 4 as a work receiving part, and a product carrying container. The rear surface 15b corresponding to the input side of 15 workpieces is formed so as to be inclined so as to expand upward.

As the belt of the belt conveyor 14, a sheet-like material made of synthetic rubber or the like was used. This is because the workpiece is not caught and is excellent in reliability at the time of conveyance, and the impact at the time of dropping can be reduced and damage to the workpiece can be reduced.
Since the workpiece receiving portion is the belt conveyor 14, the loaded workpiece is automatically sent to the downstream product conveying portion by the belt conveyor 14 simply by rotating the product carrying container 15 by the rotation driving mechanism 7. Therefore, complicated control by the rotation drive mechanism 7 and the vertical movement drive unit 8 is not required, and it is possible to increase the efficiency of the input work and shorten the work time. The movement of the belt conveyor 14 was synchronized with the rotation of the product carrying container 15 by the rotation drive mechanism 7. As a result, the workpiece can be loaded in accordance with the moving speed of the belt conveyor 14, and the collision between the workpiece loaded first and the workpiece loaded later is reliably prevented to improve reliability. Yes.
Further, since the rear surface 15b of the product carrying container 15 is formed to be inclined so as to expand upward, it can be reliably discharged without leaving a workpiece on the bottom of the product carrying container 15. Workability can be improved.

Since the anti-striking work input device of the second embodiment is configured as described above, it has the following operation in addition to the operation of the first embodiment.
(1) By using the belt conveyor 14 as a work receiving part, the product can be dropped automatically by simply rotating the product carrying container 15 by the rotation driving mechanism 7 and dropping the work. Therefore, the efficiency of the input work can be improved and the work time can be shortened.
(2) By synchronizing the rotation of the product carrying container 15 by the rotation drive mechanism 7 and the movement of the belt conveyor 14, the work can be charged in accordance with the moving speed of the belt conveyor 14. It is possible to reliably prevent the collision between the thrown-in workpiece and the workpiece that will be thrown in later, resulting in excellent reliability.

  In the present invention, the surface of a forged product before heat treatment or a synthetic resin product immediately after molding is soft and easily damaged by controlling a rotation angle and a rotation speed for rotating the product carrying container, a workpiece input height, and the like. It is possible to effectively reduce the impact generated during the loading of workpieces of various molded products, and to provide an impact-inhibiting workpiece input device with excellent reliability and versatility. It is excellent in practicality and productivity that can prevent collision between workpieces when throwing workpieces from the container, reduce the incidence of hitting, and reliably and efficiently guide the workpiece to the downstream product conveyance section It is possible to improve the yield and production efficiency by providing a dumping prevention method.

(A) Side view of the impact-preventing work input device according to the first embodiment (b) Rear view of the impact-preventing work input device according to the first embodiment (A) Side view showing the container turning process of the impact preventing work loading apparatus in the first embodiment (b) Side view showing the chute part tilting process of the impact preventing work throwing apparatus in the first embodiment. Side view of impact prevention work loading device in embodiment 2

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Impact prevention work injection | throwing-in apparatus in Embodiment 1 1a Impact prevention work injection | throwing-in apparatus in Embodiment 2 2 Base 3 Shaft support part 4 Inclination chute part 4a Bottom face part 4b Side surface part 5 Tilt drive part 5a Piston 5b Cylinder 6 times Movement holding portion 6a Support frame 6b Base portion 6c Rotating shaft 6d Abutting portion 6e Locking claw 7 Rotating drive mechanism 7a Driven rotating portion 7b Driving portion 7c Driving rotating portion 7d Drive transmission member 8 Vertical movement driving portion 8a Vertical Guide shaft 8b Guide frame 8c Horizontal guide hole 9 Horizontal guide shaft 14 Belt conveyor 15 Product transport container 15a Side surface 15b Rear surface 20 Base

Claims (12)

A rotation holding unit that rotatably holds a product carrying container in which a workpiece of a molded product is accommodated, a rotation driving mechanism that can rotate the product carrying container, and a rotation angle and / or a rotation speed variable; And a workpiece receiving portion that is disposed below the product carrying container and guides the workpiece fed from the product carrying container to a downstream product carrying unit. 2. The impact preventing work loading apparatus according to claim 1, wherein the work receiving portion is a belt conveyor. 2. The striking portion according to claim 1, wherein the workpiece receiving portion is an inclined chute portion formed so as to be inclined so that an upstream side into which the workpiece is introduced is high and a downstream side from which the workpiece is delivered is low. Dust prevention work input device. The shaft support portion that pivotally supports the downstream end portion of the inclined chute portion, and the tilt drive portion that tilts the upstream side of the inclined chute portion around the shaft support portion. Debris prevention work input device. The rotation holding portion includes a rotation shaft that is rotatably supported by a base, a contact portion that is disposed on the rotation shaft and contacts a side surface of the product carrying container, and extends to the contact portion. A locking claw that engages with the upper and lower surfaces and the front and rear surfaces of the product carrying container, and a driven rotating portion that is formed or disposed at an end of the rotating shaft, and is configured to rotate. A mechanism comprising: a drive unit; a drive rotation unit disposed on a drive shaft of the drive unit; and a drive transmission member engaged with outer peripheries of the drive rotation unit and the driven rotation unit. 5. The impact-preventing work input device according to claim 1, comprising: 6. The apparatus according to claim 1, further comprising a vertical movement drive unit that moves up and down the rotation holding unit and / or a longitudinal movement drive unit that moves the rotation holding unit back and forth. 6. Anti-striking work input device. 7. A container holding step of holding the product carrying container in a turnable manner by the turning holding portion of the impact preventing work throwing device according to any one of claims 1 to 6, and the product by the turning drive mechanism. And a container turning step for turning the carrying container to place the workpiece. During the container rotation process, the vertical movement drive unit moves the rotation holding unit from the downstream side to the upstream side of the inclined chute unit and drives the vertical movement along the inclination of the inclined chute unit. 8. The method for preventing and applying impacts according to claim 7, wherein a container moving step of raising the rotation holding part by a part is performed. 9. The impact-preventing charging method according to claim 7, further comprising a chute part tilting step of tilting the tilted chute part by the tilt driving part. The said container rotation process has the charging amount adjustment process of adjusting the rotation angle and / or rotation speed of the said product conveyance container with the said rotation drive mechanism, The any one of the Claims 7 thru | or 9 characterized by the above-mentioned. 4. A method for preventing dust injection according to item 1. 11. The impact-preventing charging method according to claim 7, wherein the container rotating step and the chute portion tilting step are alternately repeated. A container lowering step for lowering the product carrying container by the vertical movement driving unit as a pre-step of the container rotating step, and a container for raising the product carrying container by the vertical movement driving unit as a pre-step of the chute portion tilting step The method according to any one of claims 9 to 11, further comprising an ascending step.