JP2010143699A - Slackened shishiodoshi - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a non-powered device for storing a metallic processing product discharged through a chute from a machine tool in a returnable container and a plastic case without falling, in a case where a discharge height must be changed in response to the fact that the metallic processing product is gradually accumulated. <P>SOLUTION: This invention is characterized by automatically variably inclining by changing an inclination in response to a height of the gradually stored metallic processing product, by forming a chute outlet lower part as an inclined stopper, in a seesaw type chute for rollingly dropping the product. by setting the inclination steep by gravity of the metallic processing product, by gently inclining to the outlet side of the chute in advance. When arranging a cushion stopper at a specific distance (a hole) on the outlet side tip of the seesaw type chute, the metallic processing product rolling or sliding down on the seesaw type chute drops from the hole by reducing a speed by rebounding by striking on the cushion stopper by jumping over the hole by its inertia force. A vector (the direction of force) becomes nonuniform, and the metallic processing product is flatly stored in the returnable container. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a chute for storing a relatively small metal processed product in a box or a plastic case.

  Metal products processed by machine tools may be ejected by robots and aligned in specific cases, but relatively small metal processed products are dropped one by one on a chute and rolled out of the machine tool. Often dropped into a plastic case. In this case, metal processed products are stored randomly in the box.

The height of the exit of the chute is usually higher than the height of the edge of the box. When the outlet of the chute is inserted into the box, if metal processed products have accumulated, This is because the product is clogged.
JP 2002-154636 A JP 2004-329568 A

  When metal processed products dropped from the exit of the chute are stored a little in the box, the products collide with each other. Since it is dropped even at a slight height, the impact is intense and damages the metal processed product.

  The present invention relates to a seesaw-type chute that mitigates impact caused by falling of a product and does not clog even if the product is stored in a box.

  In a chute made of metal or resin and having a semi-cylindrical or U-shaped cross section, a fulcrum shaft 3 is provided for movement like a seesaw, and a work stopper 2 is provided on the chute outlet side from the fulcrum. A balancer 4 for balancing from the fulcrum to the opposite side of the chute outlet and a seesaw stopper 5 for adjusting the chute angle are provided. The seesaw chute is installed on the box 9 or a plastic case.

  The metal processed product 8 discharged from the chute from another machine is dropped between the work stopper 2 and the chute outlet. Cushioning material such as rubber or sponge should be put on the place where it falls often.

  If the total moment on the chute exit side from the fulcrum is Ma, the total moment on the opposite side is Mb, and the moment due to the weight of the metal processed product is Mx, the weight of the balancer 4 to satisfy the formulas (A) and (B) And the position where the metal processed product 8 is dropped.

  That is, when the metal processed product 8 is not on the seesaw type chute 1, the chute has a gentle inclination of about 10 degrees below the horizontal plane, and if it exists, the chute is about 40 degrees below the horizontal plane. Set to be inclined.

  When the metal processed product 8 discharged by the chute from the machine tool is dropped onto the seesaw chute 1, the inclination angle gradually increases due to the gravity of the product, and the product rolls down toward the chute outlet side.

  At this time, compared with the impact of the metal processed product 8 dropped from the chute when the seesaw type chute 1 is not provided, the impact is relieved so much that the metal processed product is hardly damaged.

  Even if a certain amount of the metal processed product 8 is already contained in the box 9 or the plastic case, it comes into contact with the product stored by the inclined stopper 6 provided at the front end of the seesaw chute 1 and beyond, It features an automatic variable tilt function that prevents steep tilting, so that products are not clogged at the exit of the chute.

  In addition, the slack squeeze of the present invention can be installed very easily because no driving parts (motor, air cylinder, etc.) are required.

  Embodiments of the present invention will be described in detail with reference to the accompanying drawings.

  As shown in FIG. 1, a fulcrum shaft 3 is provided on a chute such as that shown in FIG. The work stopper 2 is provided on the chute outlet side from the fulcrum shaft 3 so that the metal processed product 8 does not go to the opposite side of the chute outlet. The fulcrum shaft 3 may use a hinge.

  The balancer 4 is provided on the opposite side of the chute outlet from the fulcrum shaft 3 so that when the metal processed product 8 is not present, the seesaw chute 1 is inclined to the balancer 4 side. The balancer 4 can adjust the weight and position so that the seesaw chute 1 can be operated with a slight force.

  That is, when the total moment on the chute outlet side from the fulcrum is Ma, the total moment on the opposite balancer 4 side is Mb, and the moment due to the weight of the metal processed product 8 is Mx, Equations (A) and (B) are satisfied. Adjust as follows.

  A seesaw stopper 5 is provided below the balancer 4 and adjusted so that the seesaw outlet side is slightly inclined downward even when the metal processed product 8 is not on the seesaw chute 1 as shown in FIG. Although depending on the shape of the metal processed product 8, the inclination angle is preferably 0 to 15 degrees.

  As shown in FIG. 3, this is installed on the box 9 or the plastic case using the base 7. The base 7 may be fixed on the box 9 or may be fixed from another place.

  On the seesaw type chute 1, when the metal processed product 8 processed by a machine tool or the like and discharged by the chute is dropped from the work stopper 2 to the chute outlet side, a moment Mx is generated by the gravity. And since it rolls on the seesaw type chute 1 to the chute outlet side, since the distance from the fulcrum shaft 3 becomes longer, Mx gradually increases. By this action, the seesaw chute 1 gradually increases the inclination angle, so that the metal processed product 8 rolls down into the box 9. Since the impact at this time is moderated rather than dropping from the upper part of the box 9, the metal processed products 8 do not collide with each other to be damaged. When the metal processed product 8 disappears on the seesaw chute 1, the seesaw chute 1 returns to its original position by its own weight.

  Moreover, in actuality, when the slack siood of the present invention is tested, the light metal processed product 8 sometimes stops vertically on the seesaw chute 1 but stops after moving from the dropping position. Even if the metal processed product 8 comes, Mx is doubled without colliding and the inclination of the seesaw chute 1 is increased, so that both of them roll or slide down.

  An inclined stopper 6 made of rubber or the like is provided at the lower portion of the chute outlet of the seesaw chute 1. As shown in FIG. 4, this is an automatic variable tilting function to prevent the seesaw chute 1 from tilting when a large amount of the metalworked product 8 is stored in the box 9, and the metalworked product at the exit of the chute. 8 can be prevented from clogging. If the material of the seesaw chute 1 is softer than the material of the metal processed product 8, the inclined stopper 6 may be omitted because the tip of the chute outlet of the seesaw chute 1 performs the same function.

  The slack siood of the present invention is similar in structure to a well-known deer or measurement / weighing seesaw hopper, but first, the deer or seesaw hopper is a liquid or powder or the like. The slack siood of the present invention is intended for metal processed products, while it is intended for fluid objects. Secondly, the standard inclination is that the deer and seesaw type hopper is inclined to the opposite side of the exit (it does not function unless it is inclined to the opposite side), while It has a gentle slope on the same side as the exit. Thirdly, when the metal processed product 8 is placed on the seesaw type chute 1 of the slack-nio-sodo, the angle gradually inclines, so that the rolling or sliding speed can be reduced. Rashiwei and seesaw type hoppers have no role. Fourth, as shown in FIG. 4, the tip of the slat outlet of the slack slashed sword 1 can automatically be tilted so that the chute outlet can be adjusted according to the height of the metal product 8 gradually stored in the box 9. It is characterized in that the height of the can be changed. The automatic variable tilt function prevents the metal processed product 8 from clogging at the chute outlet of the seesaw chute 1.

  As shown in FIG. 5, a hole through which the metal processed product 8 can be sufficiently dropped is formed at the chute outlet portion of the slack-sienod seesaw chute of the present invention, and a cushion stopper 10 made of rubber or sponge is provided at the tip.

  When the inclination angle of the seesaw chute 1 is steep, the metal processed product 8 jumps over the hole due to its inertial force, hits the cushion stopper 10 and bounces down and falls from the hole. Since the speed of the metal processed product 8 is extremely reduced by the cushion stopper 10, the metal processed products 8 do not collide with each other to be damaged.

  When this is actually tested, there is an advantage that the metal processed product 8 spreads unevenly in the box 9 when the cushion stopper 10 is provided. Without it, it tends to be Yamagata in one place. This is because the cushion stopper 10 reduces the speed of the metal processed product 8 and the force direction (vector) becomes uneven.

  If the cushion stopper 10 is a rotary type as shown in FIG. 6, the vector can be made more uneven, and it can be used in place of the tilt stopper 6.

As described in the first embodiment, the cushion stopper 10 is not useful in a known seesaw or measurement / weighing seesaw type hopper because its function is different from that of the slack sinode of the present invention.

  In industry, chutes are often used to discharge metal processed products processed by machine tools and dropped into boxes or in plastic cases for storage, and metal processed products collide with each other to cause scratches. It becomes a defective product.

  The slack-niood of the present invention can alleviate this collision energy and eliminate defective products due to scratches. Moreover, since the apparatus is simple, compact, and powerless, installation is very easy.

It is explanatory drawing which showed the implementation method of the slack-niood of this invention. (Example 1) It is the example which showed the cross-sectional shape of the seesaw type chute. It is the front view which showed the implementation method of the slack-niood of this invention. (Example 1) It is the front view explaining the automatic variable inclination function which is the characteristic of the slack-siende of this invention. (Example 1) It is explanatory drawing which showed the implementation method of a cushion stopper. (Example 2) It is explanatory drawing which showed the implementation method of a rotary cushion stopper. (Example 2)

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Seesaw type chute 2 Work stopper 3 Support shaft 4 Balancer 5 Seesaw stopper 6 Inclination stopper 7 Base 8 Metal processing product 9 Shipping 10 Cushion stopper

Claims (2)

  This is a non-powered device for shock mitigation that tilts gently toward the exit side of the chute, steeply tilts due to the gravity of the metal processed product, and rolls off the product. A seesaw-type chute characterized by being able to.   A fixed or rotary cushion stopper is provided at a certain distance at the outlet end of the seesaw type chute to reduce the impact speed and make the vector (force direction) non-uniform. The seesaw-type chute according to claim 1.

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