JPH0125809Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Industrial Field of Application> This invention relates to a washing frame parallel movement device for a washing machine whose purpose is to smoothly move the washing frame up and down while keeping the washing frame in a horizontal position.

<Industrial Application Field> Conventionally, there is a cleaning machine that moves a cleaning frame up and down into a cleaning tank to clean objects to be cleaned, such as mechanical parts or industrial products, placed on a mounting portion of the cleaning frame.

The vertical movement of the washing frame of such a washing machine is generally achieved by connecting wires to each of the four corners of the top of the washing frame.
The other end of each wire is wound around a winding drum, and the winding drum is rotated forward and backward to move the cleaning frame up and down in parallel. There was one in which the cleaning frame was moved vertically in parallel by movement.

<Problems to be solved by the invention> However, with the wire method described above, it is difficult to set the wire length to keep the cleaning frame parallel, and installation of the device requires skill and time.

In addition, with the cylinder type, the distributed load on the cleaning frame becomes unbalanced due to friction with the cleaning frame's guides and misalignment of the objects to be cleaned, making it difficult to maintain a horizontal state and move up and down smoothly. Ta.

Further, even when a plurality of cylinders are used, there is a difference in the advance of the pistons depending on the characteristics of the cylinders, and there is also the problem that it is difficult to maintain a horizontal state and move the pistons smoothly up and down.

<Means for solving the problem> This invention was developed in consideration of the above points, and a rectangular parallelepiped-shaped cleaning frame having a mounting section is moved up and down into the cleaning tank and placed on the above-mentioned mounting section. In a cleaning machine for cleaning an object to be cleaned, 4 parallel to each other are provided in the cleaning frame and extend in the vertical direction.
a rack, two interlocking shafts each having a pair of pinions with side plates that are pivotally supported on the cleaning tank side and mesh with the two adjacent racks, and a central part of the upper surface of the cleaning frame. This is a washing frame parallel moving device for a washing machine, which includes a cylinder that is connected to drive the washing frame in the vertical direction.

<Function> This device is constructed as described above, and when the cylinder is activated and its piston moves forward, the cleaning frame follows and descends, and at the same time, the four racks also descend.

At this time, the inclination of the washer caused by an unbalanced load distribution tends to appear as one rack advances and the other rack lags behind. This difference in advancement is transmitted to both racks via an interlocking shaft having a pair of pinions with side plates, and both racks advance and descend at the same time without delay.

Therefore, the cleaning frame moves in parallel, and the mounting section descends while maintaining a horizontal state.

Further, the side plate portions of the pair of pinions with side plates are arranged in mirror symmetry to prevent the pinions from coming off laterally when the rack moves up and down.

Note that although the above description is for the case where the cleaning frame is lowered, the same explanation can be made for the case where the cleaning frame is raised.

<Example> Hereinafter, an example of this invention will be described based on the drawings.

FIG. 1 is a perspective view of a washing machine equipped with the washing frame parallel moving device of this invention.

Reference numeral 10 denotes a cleaning machine, which includes a cleaning tank 11 containing a cleaning liquid, and a cleaning frame 1a that can be moved vertically in parallel and accommodated in the cleaning tank 11, and is immersed in the cleaning liquid.

The cleaning frame 1a has a rectangular parallelepiped shape with a horizontally elongated outer shape, and has a wire mesh stretched over the entire lower surface to form a mounting portion 1b, and is supported by a fixed base (not shown) in the center of the upper surface. The piston of cylinder 2 is fixed.

At one side end in the longitudinal direction of the cleaning frame 1a,
Racks 4a, 4b extend vertically and are arranged parallel to each other, and at the other longitudinal side ends racks 4c, 4d likewise extend vertically and are arranged parallel to each other.

3a is an interlocking shaft, which can be easily held at a predetermined position by 4a,
Pinions 5a, 5 with side plates meshing with pinions 4b, respectively.
b is fixed to the washing tank 11, and both ends thereof are supported by bearings 6a, 6a fixed to the cleaning tank 11.

3b is an interlocking shaft formed similarly to the interlocking shaft 3a, and pinions 5c and 5d with side plates that mesh with racks 4c and 4d, respectively, are fixed at predetermined positions, and both ends of the pinions are fixed to the cleaning tank 11. Bearing 6
b, 6b. The interlocking shafts 3a and 3b are arranged opposite to each other on both sides of the cleaning frame 1a.

The cleaning machine 10 formed in this way has a cleaning frame 1
A cleaning operation is performed by placing a large number of objects 12 to be cleaned on the placing portion 1b of a, and lowering and raising them into the cleaning tank 11.

At this time, even if load imbalance occurs in the longitudinal direction of the cleaning frame 1a due to the mounting position of the object to be cleaned 12, etc.
The difference in vertical movement due to the inclination is transmitted and adjusted to the racks 4a, 4b or 4c, 4d via the interlocking shaft 3a or 3b having a pair of pinions 5a, 5b or 5c, 5d with side plates. Then, the cleaning frame 1a is in a horizontal state, and as the cylinder 2 moves forward and backward, it is translated vertically while maintaining the horizontal state.

In addition, as shown in FIG. 2, an interlocking shaft 3 with pinions 5a and 5b with side plates fixed to the cleaning frame side shown in the movable body 1 is used.
A rack 4 is mounted on the washing tank side shown by a fixed base 8.
Even if a and 4b are provided, the same operation and effect as described above can be achieved.

Further, the type of cylinder 2 is not particularly limited as long as it performs linear reciprocating motion. Furthermore, the interlocking shafts 3a and 3b may be interlocked by using a gear or a combination of a gear and an interlocking shaft.

<Effects of the invention> Since the washing frame parallel movement device of the washing machine of this invention has the above-mentioned configuration, it is possible to adjust the disparity of the distributed load caused by misalignment of the object to be cleaned on the washing frame. , the cleaning frame can be smoothly moved vertically in parallel while keeping it in a horizontal state.

Therefore, the vertically long rectangular parallelepiped cleaning frame can be moved in parallel by one cylinder, and smooth translation can be performed even when a plurality of cylinders are used.

Additionally, compared to the wire method, the device is easier to install and can be configured in a shorter time.

Although a parallel movement mechanism using a gear mechanism consisting of a rack and a pinion is disclosed in Japanese Utility Model Application Publication No. 53-88763, this device has four racks and two pinions with a pair of side plates. Combined with interlocking shaft,
By directly driving the cleaning frame vertically with a cylinder, the cleaning frame, which is loaded with a load, is smoothly moved vertically in a horizontal state.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a washing machine equipped with a washing frame parallel movement device according to an embodiment of this invention, and Fig. 2 is a perspective view showing a configuration in which an interlocking shaft is supported on the washing frame side and a rack is arranged on the washing tank side. It is an explanatory diagram. 1a...Cleaning frame, 1b...Placement part, 2...Cylinder, 3a, 3b...Interlocking shaft, 4a, 4b, 4
c, 4d...Rack, 5a, 5b, 5c, 5d...
...Pinion with side plate.

Claims (1)

[Claims for Utility Model Registration] In a washing machine that cleans an object to be cleaned placed on the mounting section by moving a rectangular parallelepiped-shaped washing frame having a mounting section up and down into a cleaning tank, the washing frame has the following features: four racks that are provided and extend vertically in parallel to each other; and two pinions with side plates that are pivotally supported on the cleaning tank side and mesh with the two adjacent racks, respectively. A cleaning frame parallel movement device for a cleaning machine, comprising: an interlocking shaft; and a cylinder connected to a central portion of the upper surface of the cleaning frame to drive the cleaning frame in the vertical direction.