JPS5939104Y2 - Load transport equipment - Google Patents

Description

[Detailed description of the invention] This invention relates to a load transfer facility between two work stations formed at a distance from each other, and its purpose is to quickly and cleanly clean a clean room. The point is to suggest something.

An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.

1 is a first work station, and 2 is a second work station, which are formed on the floor 3 at a distance from each other.

Reference numeral 4 denotes a rail device disposed between both work stations 1.degree. 2, and is constructed in an approximately gate shape so that a portion thereof is located above the ceiling 5.

6 is a duct surrounding the rail device 4, and 7 is a ceiling cover.

A clean room 8 is formed between the floor 3 and the ceiling 5 including the ceiling cover 7.

Reference numeral 9 denotes a self-propelled cart for transporting goods, and numeral 10 denotes a self-propelled cart for cleaning, which can be guided by the rail device 4 and run.

A waiting station 11 for the cleaning trolley 10 is provided outside the first work station 1, and a retreat station 12 for the load transporting trolley 9 is provided outside the second work station 2.

Therefore, as shown in FIG. 1, while the self-propelled cleaning trolley 10 is waiting at the standby station 11, the self-propelled cargo transporting trolley 9 is moved between the position of the first work station 1 indicated by the solid line and the position of the first work station 1 indicated by the imaginary line. By reciprocating between the two work stations 2, the load can be transported between the two work stations 1 and 2.

When cleaning the rail device 4, etc., the second
As shown in the figure, the self-propelled cart 9 for transporting goods is evacuated to the shelter station 12, and the self-propelled cleaning cart 10 is moved to the position of the waiting station 11 shown by the solid line and the position of the second work station 2 shown by the imaginary line. All you have to do is run it back and forth between the two.

Next, the detailed structure of the rail device 4 and the self-propelled cart 9 for transporting loads will be explained based on FIGS. 3 and 4.

That is, the self-propelled cart 9 for transporting loads is composed of a drive unit 13 and an article storage unit 15 that is connected to the drive unit 13 via a connecting unit 14 .

- The drive unit 13 is located at a position further away from a pair of left and right first wheels 18 that are rotatably attached to the machine frame 16 via an axle 17 in any direction of the travel route (fixed route) 19. A pair of left and right second wheels 21 are rotatably attached to the machine frame 16 via an axle 20, and both axles 17.20
the lateral movement regulating wheels 22 attached to the first wheels 18;
A propulsion rotary wheel (friction rotary wheel) 24 is attached to the machine frame 16 via a drive shaft 23 near the machine frame 16, and a motor 2 is attached to the machine frame 16 to drive the propulsion rotary wheel 24.
5, a reduction gear 26 that interlocks and connects the motor 25 and the drive shaft 23, a pinion gear 27 attached to the drive shaft 23, a code magnet 28 for destination setting attached to the side of the machine frame 16, and a collector It consists of 29.

The connecting portion 14 is mounted on the machine frame 16 and is composed of a narrow portion 30 located immediately above the machine frame 16, and two prongs 31 located above the machine frame 16 on the left and right sides.

The conveyance object storage section 15 has a box bar shape, and the two-pronged section 3
1 via a horizontal pin 32, and can swing around a horizontal axis 33.

Reference numeral 34 denotes a conveyed object, which is placed in the conveyed object storage section 15 .

According to the above structure, even when the drive device section 13 is tilted, the conveyance object storage section 15 is always in a fixed position, but the drive device section 13 and the conveyance object storage section 15 may be made rigid.

4 is the rail device that guides the drive device section 13;
A first travel guide surface 36 that contacts the first wheel 18 from above, a second travel guide surface 37 that contacts the second wheel 21 and the propulsion rotating wheel 24 from below, and a lateral movement restriction wheel 22. and a third travel guide surface 38 that abuts from the outside, and the second
The traveling guide surface 37 is provided with a power supply rail 39 on which the current collector 29 slides, and a rack 40 with which the pinion gear 27 engages in a vertical path or an inclined path.

The drive unit 13 and the rail device 35 are connected to the duct 6.
It is placed inside.

A pair of left and right support rails 41 are provided on the bottom plate of the duct 6 in the direction of the travel path 19, and a plurality of support frames 43 are provided in the direction of the travel path 19 between these support rails 41 with elastic buffers 42 interposed therebetween. The rail device 4 is attached to the frame 43 via a support 44.

A slit 45 is formed in the top plate of the duct 6 and extends along the entire length of the travel path 19, and the elastic sealing material 4 is inserted from the left and right sides.
6 is provided and formed in the seal type slit portion 47 q).

Then, the connecting portion 14 is inserted into this seal type slit portion 47.
The structure is such that the narrow width portion 30 is positioned.

The self-propelled cart 9 for transporting loads is driven by transmitting the rotational force of the motor 25 to the propulsion rotating wheel 24 via the reduction gear 26 and the drive shaft 23, and moving the propulsion rotating wheel 24 onto the second traveling guide surface 37. This is made possible by rolling the second wheel 21 against the second travel guide surface 37, rolling the first wheel 18 against the first travel guide surface 36, and rolling the first wheel 18 against the second travel guide surface 36, as well as the movement of the lateral movement regulating vehicle 1m22. Due to the transfer to the third travel guide surface 38, the travel path 19 can be horizontal, inclined, vertical, etc.
It is performed stably with no upward swing or wobbling.

During such traveling, 1. Since the narrow portion 30 slides on the seal slit portion 47, there is no risk of dust etc. coming out from there.

Next, the detailed structure of the self-propelled cleaning trolley 9 will be explained based on FIGS. 5 to 7.

Since the drive unit and the like have the same or almost the same structure as the self-propelled cart 9 for transporting loads, the same reference numerals will be given and the details will be omitted.

That is, the machine frame 16 is provided with an upwardly facing second portion of the rail device 4.
A dust removal device 48 that can slide on the travel guide surface 37, and an absorption device 49 that sucks up the dust removed by this dust removal device 48.
and a dust collector 50 for removing dust from the suction airflow to the suction device 49.

That is, a box-shaped cover unit 52 is attached to the upper part of the machine frame 16 via a connecting body 51, and within the connecting body 51, a suction passage 53 is formed at the front part in the running direction, and an exhaust passage 54 is formed at the rear part. be done.

A bottom-opening hood 55 is provided at the lower part of one end of the machine frame 16, and the upper end of this hood 55 and the suction path 53 are communicated with each other through a first suction pipe 56. A rotary-driven dust removal device 48 is provided, which includes a rotating shaft 57 and a brush 59 implanted in a cylindrical body 58 integral with the rotating shaft 57.

Here, the brush 59 rotates in the opposite direction to the drive shaft 23.

The suction device 49 includes the hood 55 and the first suction pipe 5.
6, a suction passage 53, a second suction pipe 62 that communicates the suction passage 53 with a first compartment 61 formed by a vertical wall 60 in the cover integral 52, and a suction pipe formed on the vertical wall 60. a second compartment 64 to communicate with the suction port 63;
It is composed of a suction fan 65 disposed at.

The dust collecting device 50 is disposed within the first compartment 61 and is composed of a dust collecting bag that can be attached to and detached from the second suction pipe 62.

Reference numerals 66 and 67 indicate substrates that can be opened and closed at the upper ends of both compartments 61 and 64, and 68 indicates a lid body that is attached to the upper end of the cover unit 52 and can be opened and closed.

69 is a first exhaust pipe that communicates the suction fan 65 and the exhaust passage 54; 70 is a second exhaust pipe that is disposed in the machine frame 16 and communicates with the exhaust passage 54; the exhaust lower 1 is open rearward at the other end; ing.

The cleaning work will be explained below.

The brush 59 of the dust removal device 48 is automatically rotated in conjunction with the travel of the self-propelled cleaning trolley 10, and the suction fan 65 is rotated automatically.
has also been started.

Therefore, while traveling, the second travel guide surface 37 is scraped by the rotating brush 59, and the debris thus peeled off is passed through the hood 55, the first suction pipe 56, the suction path 53, and the second suction pipe 62 to the first compartment. Inhale into 61, here,
The suction air containing dust is passed through the dust collector 50 and only the dust is captured. 70
through the exhaust lower 1 into the duct 6.

Thereby, the second traveling guide surface 37, the power supply rail 39, the rack 40, etc. can be cleaned.

As described above, according to the present invention, two
This is a cargo transport equipment between two work stations, in which a rail device is disposed between the two work stations, a duct is provided surrounding the rail device, and the cargo transport vehicle is guided by the rail device and can travel. A running trolley and a self-propelled cleaning trolley are provided, a waiting station for the cleaning trolley is set up outside one work station, and a retreat station for the cargo transporting trolley is set up outside the other work station. A self-propelled cargo transport trolley can be used to transport cargo between both work stations while it is on standby at the standby station.Also, during cleaning work using a cleaning trolley, the cargo transport trolley can be moved to the evacuation station. This can be easily done by evacuation.

For example, when a cleaning trolley is inserted into a rail device inside a duct during cleaning, the duct must be opened, which contaminates the clean room and has a very negative impact. Since cleaning can be performed without opening the clean room, the inside of the clean room can be cleaned quickly and cleanly.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIGS. 1 and 2 are partially cutaway side views illustrating the working state, FIG. 3 is a side view of a cargo conveyance cart, and FIG. 4 is a front view of the same. FIG. 5 is a side view of the cleaning cart, FIG. 6 is a front view thereof, and FIG. 7 is a rear view thereof. 1...First work station, 2...
Second work station, 4...Rail device, 6
...Duct, 8...Clean room,
9... Self-propelled cart for transporting loads, 10... Self-propelled cart for cleaning, 11... Standby station, 1
2...Evacuation station, 13...Drive device section, 15...Transferred object storage section, 19...
... Travel route, 47 ... Seal type slit section, 48 ... Dust removal device, 49 ... Suction device, 50 ... Dust collection device.

Claims (1)

[Scope of utility model registration request] A load conveying facility between two work stations formed at a distance from each other, in which a rail device is disposed between both work stations, a duct is provided surrounding the rail device, and the load is guided by the rail device. A self-propelled cart for transporting loads and a self-propelled cart for cleaning are provided, and a standby station for the cleaning cart is provided outside one work station, and a retreat for the self-propelled cart for transporting loads is provided outside the other work station. Load conveyance equipment 6 characterized by having a station