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Material Handling Emergency

05/29/2007 9:27 AM

I have looked desperately on the web for some equipment that can help me with a material handling problem.

We sort and bale used clothing, so we would like to automate the process of load the main conveyor with the clothes from a bale (1300 lbs). I think that something like a hoist with special clamps similar to the ones used for bulk material could help or a mechanical arm, but what I've found is equipment overspecified or out of the proportions required because usually these things are for small items or for bulk material as concrete.

The main action to perform is go down, grab clothes (20 to 50 lbs), move above the conveyor, release on the conveyor and go back to do it again. The faster that these steps can be done the better.

Right now, an employee throw the clothes on the conveyors (100,000lbs daily in 7 hours), for obvious reasons none stays for a long time in this position (that is critical for the process because sets the rythm of the sorters on the conveyors) and all the ergonomics are out of context here, so if we can train someone to operate this "hoist/arm" or if the operation is fully automated will be a huge improvement in our company.

I will really appreciate your comments and help.

Thank you

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#1

Re: Material Handling Emergency

05/29/2007 10:16 AM
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#2

Re: Material Handling Emergency

05/29/2007 10:16 AM

I am not sure what you mean by go down. They do make platform lifts that would lift the bale up to the height of your conveyor bed. From that point it would be just pushing it on to the bed. Platform lifts or elevating docks come in a variety of sizes.

Mite want to check that out.

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#3
In reply to #2

Re: Material Handling Emergency

05/29/2007 10:28 AM

do you sell this "pushing" device? we had that option but we have the same problem with finding what kind of cylinder or piston would push it.

how can i contact Mite?

thank you for your answer.

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#13
In reply to #3

Re: Material Handling Emergency

05/31/2007 3:34 PM

The platform lift can be made with a conveyor bed. once obtaining the the height needed it. The lift conveyor comes on and feeds the bale onto your sorting conveyor. The lift conveyor could be ordered with variable speed so that it would spread the garments out some what.

You could even place another conveyor at floor level to feed the lift table. That way you could have several bales line up ready to go.

I am no longer in the material handling business.

manufacturer Hytrol makes a system that would work. Seen it used to to remove bales of cardboard from the basement of a distributor up to the first floor and loading dock area.

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#14
In reply to #13

Re: Material Handling Emergency

05/31/2007 4:20 PM

thank you. we have some relation with Hytrol so I'll find out.

regards

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Anonymous Poster
#4

Re: Material Handling Emergency

05/29/2007 10:44 AM

What size is the bale?

Is the bale a cylinder, a square or a rectangle?

Are the sides metal, cardboard or is the bale secured with rope?

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#5
In reply to #4

Re: Material Handling Emergency

05/29/2007 11:37 AM

there are different sizes of bales, in average the measures are 5'x7'x3. All are rectangles.

Some have plastic strap, others wire and cardboard at the top and bottom. These are removed by an employee. We have tried to standardize this step but we have a lot of different suppliers and they bale in different ways depending on their equipment and size.

thank you.

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#6
In reply to #5

Re: Material Handling Emergency

05/30/2007 2:17 AM

Hi - we design and build bespoke handling systems and might be able to help in some way - email me a photo or two to show more about the problem. rogerp@handlingconcepts.co.uk

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Anonymous Poster
#7

Re: Material Handling Emergency

05/30/2007 8:10 AM

Hello

You need to look at robot

Do A google search : robot Manufacturing

I hope this help

donnieo

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#8

Re: Material Handling Emergency

05/30/2007 9:33 AM

The main action to perform is go down, grab clothes (20 to 50 lbs), move above the conveyor, release on the conveyor and go back to do it again. The faster that these steps can be done the better.

Let's see if we understood right:

A) Robotic arm reaches down to a floor,time t=0

  1. Grabs (with settable tactile forceF)- a load of used clothed(20-50 lbs- settable fingers opening) from the floor:
  2. And holding onto the load JUST clear of the moving belt-- lifts up and swings to reach somewhere above the Belt Cetreline:
  3. And without wasting any time lets its grabbing paw open and thus drops the Load on to the moving Belt:
  4. To open grabbing fingers to preset opening:

Returns* to floor to grab NEXT load at time t=T0-- and SO ON and On

*Making 3-4 different sounds in the cycle to warn people to keep away from the brainless RoboticArm.

B) Have a self-operating swing arm mechanism from the roof beam structure which does all above on a push -button from an operative located nearby. May be like a shovel.

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#9
In reply to #8

Re: Material Handling Emergency

05/30/2007 1:19 PM

That's right! you got the idea!

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#11
In reply to #9

Re: Material Handling Emergency

05/30/2007 10:31 PM

Suzanne Dear,

Can you post just ONE photo of the area around the loading-to-the-belt point?

We will have a flurry of Solutions now.

Thanks

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#12
In reply to #11

Re: Material Handling Emergency

05/31/2007 1:31 PM

Here is the actual location which is planned to be improved it a lot. The inclined belt is the one to be feeded and the previous one we want to remove it and leave the bale in front of the main conveyor. So wouldnt be a lot of space to transport the clothes, but we have to stop doing it manual.

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#15
In reply to #12

Re: Material Handling Emergency

06/11/2007 10:05 AM

Your best bet will be to get an interior decorator/Carpenter and rig up a tilting platform like sketched below.

No it is not going

- can you send your E-mail ID to me mikemahant@hotmail.com

Feeder Table loaded .>>> Tilted over to Conveyor >> Back to fresh load

Time =0 t+5Seconds t +10 seconds

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#10
In reply to #8

Re: Material Handling Emergency

05/30/2007 1:36 PM

*Making 3-4 different sounds in the cycle to warn people to keep away from the brainless RoboticArm.

I could be wrong but I think industry standard is to install a "cage" around devices such as robotic arms. These cages also have safety interlock switches or sensors theat detect if someones opens an access point or removes a guard which then shuts the system down.

The problem with using sound as descibed is that the average person will begin to ignore them by the end of the first shift if not sooner.

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#16

Re: Material Handling Emergency

06/21/2007 6:16 PM

there are hoist support arms available in the automotive industry e.g. setting a cockpit module into the car / those hoist arm helps can do your job.

Check with an OEM company or google.

fyi

Peter

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#17
In reply to #16

Re: Material Handling Emergency

06/22/2007 8:09 AM

thank you

have a nice day!

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#18

Re: Material Handling Emergency

10/05/2007 11:02 AM

did you check www.reisroboticsusa.com ? go to material handling section

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Users who posted comments:

Anonymous Poster (2); MUKULMAHANT (3); ozzb (2); pstellbrink@reisrobotics. (2); Richard L (1); roger.pask (1); suzanne (6); techno (1)

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