JPH0763688B2 - Article transfer device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION a. Object of the Invention (Industrial field of application) The article transfer device according to the present invention is, for example, incorporated in an automatic ultrasonic cleaning device, and a cleaning basket containing an object to be cleaned is used as a cleaning tank. It can be used when transferring from the rinsing tank to the rinsing tank or toward the drying tank.

(Prior Art) When cleaning an object to be cleaned such as a dirty surgical tool in a hospital or the like, the object to be cleaned is stored in a cleaning basket,
An ultrasonic cleaning device is often used to dip the basket in a detergent in a cleaning tank and apply ultrasonic vibration to the cleaning tank to remove stains on the object to be cleaned stored in the cleaning basket.

When the cleaning object in the cleaning basket is cleaned in the cleaning tank to which ultrasonic vibration is applied, the cleaning basket is transferred to the rinsing tank to remove the detergent attached to the cleaning object in the cleaning basket.

The cleaning basket containing the object to be cleaned, the dirt of which has been removed in the cleaning tank and the detergent of which has been removed in the rinsing tank, is then transferred to the drying tank to dry the wet object to be cleaned by cleaning and rinsing.

The cleaning, rinsing and drying of the object to be cleaned by the ultrasonic cleaning device are performed as described above. In the case of the automatic ultrasonic cleaning device that automatically performs these operations, the cleaning basket containing the object to be cleaned is used. It is necessary to have a transfer device that automatically carries out the operation of sending the water from the washing tank to the drying tank through the rinsing tank.

Therefore, conventionally, for example, JP-A-53-62365 and JP-A-56-62365.
Various transfer devices such as those disclosed in Japanese Unexamined Patent Publication No. 115680 have been developed and used.

(Problems to be Solved by the Invention) However, the transfer device for the conventional automatic ultrasonic cleaning device is
Since the structure and movement are complicated, not only the manufacturing cost is high, but also the assembly and adjustment are troublesome, and the frequency of failure is high.

The article transfer apparatus of the present invention eliminates the above-mentioned inconvenience.

b. Structure of the Invention (Means for Solving the Problem) The article transfer device of the present invention is used to transfer articles between a plurality of support plate portions at substantially the same height position. , By pushing the rear surface of the article or pulling the article above the plurality of support plate portions,
A pushing member or a feeding member such as a pulling hook is provided which applies a forward force to the article and sends the article from the sending side supporting plate section to the receiving side supporting plate section.

The base end of the transfer plate, which has a length such that the lower surface of the article can be slidably contacted and the tip reaches the upper surface of the rear end of the receiving side support plate, is pivotally supported on the front end edge of the sending side support plate part. ing.

A spring having elasticity in a direction for making the transfer plate upright is attached between the transfer plate and the support plate portion, and the transfer plate is placed in a substantially upright state and a state in which the transfer plate is tilted substantially horizontally to the receiving side support plate portion. It can be rotated only between.

(Operation) When the article transfer device of the present invention configured as described above is used to transfer an article such as a cleaning basket containing an article to be cleaned, the article placed on the upper surface of the support plate portion on the delivery side by the delivery member Move forward.

As a result, the article moves from the upper surface of the sending side support plate portion toward the upper surface of the receiving side support plate portion. With this movement, the base end is pivotally supported on the front end edge of the sending side support plate portion. The transfer plate is pushed down toward the upper surface of the rear end portion of the receiving side support plate portion against the elastic force of the spring.

As a result of pushing down the transfer plate in this manner, the transfer plate is bridged between the front end portion of the sending-side support plate portion and the rear end portion of the reception-side support plate portion.

The article moved by the sending member is received while sliding on the upper surface of the delivery plate suspended between the front end of the delivery side support plate and the rear end of the reception side support plate in this manner. Although the article is transferred to the upper surface of the side support plate section, after the article is completely transferred to the upper surface of the receiving side support plate section, the transfer board is rotated upward by the elastic force of the spring to be in an upright state.

(Example) Next, the present invention will be described in more detail with reference to the illustrated example.

1 to 7 show an embodiment in which the article transfer device of the present invention is incorporated in an automatic ultrasonic cleaning device. FIG. 1 is a side view of a hanging portion of a cleaning basket, and FIG. 2 is the right side of FIG. FIG. 3 is a view as seen from above, FIG. 3 is a view as seen from above in FIG. 2, FIG. 4 is a view as seen from the left side of FIG. 1 of the push plate drive portion, and FIG. 5 is at the right side in FIG. FIG. 6 is a schematic vertical sectional side view showing the overall configuration of the automatic ultrasonic cleaning device, and FIG. 7 is a schematic perspective view of a cleaning basket hanging portion.

As shown in FIG. 6, an automatic ultrasonic cleaning apparatus incorporating the article transfer apparatus of the present invention has a cleaning tank 1, a rinsing tank 2 and a drying tank 3 arranged in series with each other, and is located at the front stage. On the front side (left side in FIG. 6) of the articles in the washing tank 1, there is a feeding conveyor 4 for feeding a washing basket containing an object to be washed into the washing tank 1, and a feeding tank 4 for the drying tank 3 located at the rear stage. At the rear in the direction (on the right side in FIG. 6), there are provided take-out conveyors 5 for taking out the cleaning baskets containing the objects to be cleaned which have been cleaned and dried.

An elevating frame body 7 is suspended above the tanks 1 to 3 and the conveyors 4 and 5 by cables 6 and 6, and the upper ends of the suspending arms 9 and 9 are provided on the sides of the elevating frame body 7. The suspension arms 9 and 9 are attached to the lower ends of the suspension arms 9 and 9, and support plates 8 and 8 for mounting a cleaning basket are swingably mounted. or,
The elevating frame body 7 includes a plurality of push plates 10 as feed members,
10 is provided so as to be movable in the horizontal direction so that the cleaning basket placed on the upper surface of the support plate portion 8 on the front side in the feeding direction can be pushed toward the upper surface of the rear support plate portion 8. In FIG. 6, 11 is a balancer fixed to the end of the cable 6, and has a weight almost the same as that of the elevating frame body 7 on which the supporting plate portions 8 are suspended. It can be driven up and down with a small amount of power.

The structure of the support plate portion 8 will be described in more detail with reference to FIGS. 1 to 3. The support plate portion 8 has hanging arms whose upper ends are fixed to the left and right side surfaces of the elevating frame body 7 via joint plates 14. 9, the left and right intermediate portions of the upper support plate 13 are pivotally supported on the inner ends of the pivots 12, 12 projecting from the inner surface of the lower end.
The left and right intermediate portions of the lower support plate 17 are pivotally supported at the intermediate portions of the 12 and 12.

The upper support plate 13 of the inner side is supported by the pair of left and right side plates 15 and 15 whose upper portions are pivotally supported by the inner ends of the pivots 12 and 12, and the lower portions of the side plates 15 and 15 are bent inward at substantially right angles to form support edges 15a and 15a. The supporting edges 15a, 15a are connected to each other by connecting members 16, 16 having an L-shaped cross section. The front and rear ends of the supporting edges 15a, 15a are side plates 1
It projects a little in the front-back direction from the main body of 5, 15.

The lower support plate 17, which constitutes the support plate portion 8 together with the upper support plate 13 as described above, is bent at a right angle by bending the lower portions of a pair of left and right side plates 18, 18 of a generally inverted T shape inward. 18
The bent edges 18a and 18a are connected to each other by connecting plates 19 and 19, respectively. By bending the upper end edge portion of the lower support plate 17 at a right angle downward for reinforcement at a right angle downward, two intermediate portions of each of the connecting plates 19, 19 having a L-shaped cross section are bent slightly upward, Suppressor pieces 20 and 20 are used.

Support edges 15a, 15a of the side plates 15, 15 constituting the upper support plate 13
Front edge (right edge in FIG. 1, front edge in FIG. 2, third edge
Figure bottom edge. ), The lower edges of the bridge plates 1 and 21, respectively,
It is pivotally supported by hinge 22. A spiral spring (not shown) is provided between the bridge plates 21 and 21 and the supporting edges 15a and 15a, so that the bridge plates 21 and 21 are elastic in the standing direction (counterclockwise direction in FIG. 1). Is given. However, a part of the bridge plate 21 abuts against the side plate 15, so that the bridge plate 21 is prevented from rotating counterclockwise from the state shown in FIG.

On the other hand, a swing arm 24 driven by a motor 23 is provided on a portion of the upper surface of the elevating frame body 7 located above the support plate portion 8, and the tip end of the swing arm 24 has an upper end of the connecting arm 25. The connecting arm 25 is pivotally supported on the side surface of the side plate 15. Reference numeral 26 is a microswitch provided so as to face the tip of the swing arm 24, which is used to detect the position of the swing arm 24 and reciprocally rotate the motor 23.

Next, the push plate 10 for pushing and moving the cleaning basket placed on the support plate 8 as described above will be described with reference to FIGS.

Guide rails 27, 27 arranged horizontally on the lower surface of the lifting frame 7
In addition, a support plate 31 fixed to an intermediate portion of a horizontal moving member 30 suspended via rollers 28, 28 and suspension arms 29, 29 has a motor 32 and a cam plate rotationally driven by the motor 32. 33 and are provided. The outer end portions of the pair of left and right rods 34, 34 whose inner end portions are pivotally supported by the cam plate 33 are
It is pivotally supported by another cam plate 35, 35. This cam plate 35, 35
Is fixed to horizontal shafts 37, 37 which are rotatably supported in the torsional direction via bearings 36 below both ends of the horizontal moving member 30, and each of the horizontal shafts 37, 37 has a plurality of positions (fifth position). Only one location is shown in the figure.) Fixed bracket 38
Further, the upper ends of the push plates 10 and 10 are connected and fixed.

The upper end of one suspension arm 29 of the pair of suspension arms 29, 29 suspending the horizontally moving member 30 protrudes above the elevating frame body 7. A chain 40, which is driven in the left-right direction in FIG. 5, is connected.

When the cleaning basket or the like containing the object to be cleaned is transferred by the article transfer device of the present invention configured as described above and incorporated in the automatic cleaning device, it is carried out as follows.

After the cleaning basket 39 has been sent to the rear end of the conveyor 4, the push plates 10, 10 provided on the lower side of the horizontal moving member 30 are moved to the rear side of the cleaning basket 39 (left side in FIG. 1). , This push plate 1
The cleaning basket 39 is pushed out to the upper side of the cleaning tank 1 by 0 and 10.

In this way, when the push plates 10, 10 are moved to the rear side of the cleaning basket 39, the motor 32 first rotates the cam 33 about 90 degrees in FIG. 4, and the cam 33 is pivotally supported at its inner end. Rod 34, 34
Pull inward. As a result, the push plates 10, 10 are pulled upward as shown by the arrow a in FIG. 4, and the lower portions of the push plates 10, 10 do not abut the cleaning basket 39. In this state, the chain 40 and the hanging arm are
When the horizontal moving member 30 is moved rearward (leftward in FIGS. 1, 5, and 6) via 29, the rearmost one of the push plates 10, 10 provided in plural sets along the horizontal shafts 37, 37. The push plates 10, 10 on the side can be moved to the rear side of the cleaning basket 39 on the feeding conveyor 4.

In this way, if the rearmost push plates 10, 10 are moved to the rear side of the cleaning basket 39 on the feeding conveyor 4, the cam plate
Rotate 33 around 90 degrees in the opposite direction to
34, 34 are pushed out and each push plate 10, 10 is rotated in the direction opposite to the arrow a in FIG. This allows each push plate 1
The lower front surface of 0 and 10 descends to the state shown in Fig. 4,
Since it can be abutted against the back of the cleaning basket 39, the chain 40
The cleaning basket 39 is moved to the right in the figure to push the rear surface of the cleaning basket 39 placed on the upper surface of the feeding conveyor 4, and the cleaning basket 39 is fed onto the support plate portion 8 suspended above the cleaning tank. Since the front end portion of the feeding conveyor 4 and the rear end portion of the support plate portion 8 suspended above the cleaning tank 1 can be in close proximity to each other, the transfer device of the present invention is provided at this transfer portion. There is no need to provide it.

When the cleaning basket 39 is fed onto the support plate portion 8, the elevating frame body 7 that has been raised up to that point is lowered, and the support plate portion 8
The cleaning basket 39 on the upper surface is dipped in the detergent in the cleaning tank 1. When the washing basket 39 is immersed in the detergent in this way, the motor 23 which has been stopped until then is started, and the swing arm 24 connected to the output shaft of the motor 23 is shown by an arrow b in FIG. In this way, the connecting arm 25 having the upper end pivotally supported by the swing arm 24 is moved up and down.
As the connecting arm 25 moves up and down, the upper support plate 13 with the lower end of the connecting arm 25 pivotally supported swings around the pivot 12.

Along with the swing of the upper support plate 13, the cleaning basket 39 placed on the support edges 15a, 15a of the side plates 15, 15 constituting the upper support plate 13
, Swings as shown by the chain line in FIG. 1, and the object to be cleaned stored in this cleaning basket 39 is cleaned (in FIG. 1,
Although the cleaning basket 39 is illustrated as swinging above the cleaning tank 1, it actually swings while being immersed in the detergent stored in the cleaning tank 1. ).

When the swing angle of the upper support plate 13 is small, the upper support plate 13 does not swing independently and the lower support plate 17 does not swing. Becomes larger and the front and rear edges of the lower surface of the cleaning basket 39 placed on the upper support plate 13 come into abutment with the connecting plate 19 which constitutes the lower support plate 17, the upper support plate 13 swings. As a result, the lower support plate 17 also swings around the pivot 12. When the swing angle of the upper support plate 13 is increased in this way, the lower support plate 17 is also swung along with the swing of the upper support plate 13, but the lower front and rear edges of the cleaning basket 39 are Since it is supported by the restraining piece 20 of the connecting plate 19, the cleaning basket 39 is prevented from slipping off from the supporting plate portion 8.

When the cleaning operation of the object to be cleaned in the cleaning basket 39 is completed, the elevating frame 7 is raised and the support plate 8 on which the cleaning basket 39 containing the cleaned object is placed is removed from the cleaning tank 1. The cleaning basket 39 is pulled up and the rinse tank 2 is rinsed from the support plate 8 above the cleaning tank 1.
To the support plate 8 above.

This transfer operation is performed by moving the push plates 10 and 10 to the rear side of the cleaning basket 39 as in the case of the transfer operation from the feeding conveyor 4 to the support plate portion 8 on the cleaning tank 1 described above. The cleaning basket 39 is moved forward by the plates 10 and 10 (right side in FIG. 1).
Perform by pressing. However, since the horizontal plates 37, 37 are provided with the push plates 10, 10 at a plurality of respective positions, the cleaning baskets are transferred from the feeding conveyor 4 to the support plate portion 8 above the cleaning tank 1 and above the cleaning tank 1. Cleaning basket transfer from the supporting plate part 8 above to the supporting plate part 8 above the rinsing tank 2, cleaning basket transfer from the supporting plate part 8 above the rinsing tank 2 to the supporting plate part 8 above the drying tank 3, and a drying tank 3. The transfer of the cleaning basket from the upper support plate portion 8 onto the take-out conveyor 5 is all performed simultaneously.

In this way, by pushing the back of the cleaning basket 39 toward the front,
The cleaning basket 39 is extruded from the upper surface of the support plate portion 8 above the cleaning tank 1 on the delivery side toward the upper surface of the support plate portion 8 above the rinse tank 2 on the receiving side. , The supporting plates 15 and 15 of the upper supporting plate 13 constituting the supporting plate portion 8 above the cleaning tank 1 on the delivery side, and the supporting plates 15 and 15a of the supporting plates 15 and 15a of which the lower ends are pivotally supported are hinge plates, respectively.
Support edges 15 of side plates 15, 15 of an upper support plate 13 which constitutes a support plate portion 8 above the rinse side 2 which is a receiving side around 22.
It is pushed down against the upper surface of the rear end of a, 15a against the elastic force of the spiral spring.

As a result of pushing down the transfer plates 21 in this way, the transfer plates 1 and 21 are above the cleaning tank 1 on the sending side, and the front end of the support edge 15a of the support plate portion 8 above the rinse tank 2 on the receiving side. It is bridged between the rear end portion of the support edge 15a of the support plate portion 8 as shown by the chain line in FIG.

The cleaning basket 39, which is pushed forward by the push plates 10 and 10,
In this way, the transfer plates 21, 21 hung between the front end of the support edge 15a of the support plate 8 above the cleaning tank 1 and the rear end of the support edge 8a of the support plate 8 above the rinse tank 2 are provided. While being slid on the upper surface, it is fed from the upper surface of the supporting plate portion 8 above the cleaning tank 1 to the upper surface of the supporting plate portion 8 above the rinsing tank 2.

After the cleaning basket 39 has completely moved to the upper surface of the support plate portion 8 above the rinsing tank 2 as the push plates 10 and 10 move,
21 and 21 are rotated upward by the elastic force of the spiral spring, and become upright as shown by the solid line in FIG. For this reason, a cleaning basket
When the support plate portion 8 on which the 39 is placed enters the tanks 1 to 3, the transfer plates 21 and 21 do not interfere.

c. Effects of the Invention Since the article transfer device of the present invention is constructed and operates as described above, it is possible to reliably transfer articles with a relatively simple structure, and for example, it was incorporated in an automatic ultrasonic cleaning device. In this case, it is possible to provide a device with few failures at low cost.

[Brief description of drawings]

1 to 7 show an embodiment in which the article transfer device of the present invention is incorporated in an automatic ultrasonic cleaning device. FIG. 1 is a side view of a hanging portion of a cleaning basket, and FIG. 2 is the right side of FIG. FIG. 3 is a view as seen from above, FIG. 3 is a view as seen from above in FIG. 2, FIG. 4 is a view as seen from the left side of FIG. 1 of the push plate drive portion, and FIG. 5 is at the right side in FIG. FIG. 6 is a schematic vertical sectional side view showing the overall configuration of the automatic ultrasonic cleaning device, and FIG. 7 is a schematic perspective view of a cleaning basket hanging portion. 1: Washing tank, 2: Rinse tank, 3: Drying tank, 4: Feeding conveyor, 5: Takeout conveyor, 6: Cable, 7: Lifting frame, 8:
Support plate part, 9: hanging arm, 10: push plate, 11: balancer, 1
2: Axis, 13: Upper support plate, 14: Joining plate, 15: Side plate, 15a: Support edge, 16: Connecting material, 17: Lower support plate, 18: Side plate, 18a: Bending edge, 19: Connecting plate, 20 : Suppressor, 21: Cross plate, 22: Hinge, 3: Motor, 24: Swing arm, 25: Connecting arm, 26: Micro switch, 2
7: Guide rail, 28: Roller, 29: Suspended arm, 30: Horizontal moving member, 31: Support plate, 32: Motor, 33: Cam plate, 34: Rod, 35: Cam plate, 36: Bearing, 37: Horizontal axis, 38: bracket,
39: cleaning basket, 40: chain.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-3-47079 (JP, A) JP-A-56-115680 (JP, A) JP-A-62-121219 (JP, A) Practical application Sho-62- 43687 (JP, U) Actually open Sho 51-53765 (JP, U) Actually open Sho 61-91384 (JP, U) Japanese public Sho 62-31993 (JP, B2) Japanese official public Hei 3-30433 (JP, B2) JP 61-31695 (JP, B2) JP 49-15863 (JP, Y1) JP 63-33672 (JP, Y2) JP 63-18472 (JP, Y2) JP 3-17990 (JP, Y2)

Claims (1)

[Claims] 1. An article transfer device for delivering an article between a plurality of support plate portions at substantially the same height position, which is forward of the article above the plurality of support plate portions. A feeding member is provided for feeding the article from the sending-side support plate section to the receiving-side support plate section, and the lower surface of the article is slidably contactable with the receiving side at the front end edge of the sending-side support plate section. The base end of the transfer plate having a length that reaches the upper surface of the rear end of the support plate is pivotally supported, and a spring having an elastic force in the upright direction of the transfer plate is provided between the transfer plate and the support plate. An article transfer device in which the transfer plate is mounted and rotatable only between an upright state and a state in which the transfer plate is tilted substantially horizontally to the receiving side support plate portion.