JPH0537378U - Machined product cleaning equipment - Google Patents

Abstract

(57) [Summary] [Purpose] To automatically and reliably remove chips and deposits adhering to machined products such as bolts and nuts. [Structure] Spiral tracks 3 and 61 are formed on the inner peripheral wall portions of the bowl 2 and the cylindrical body 60. When the bowl 2 is torsionally vibrated, the nut m immersed in the machine oil L vibrates. With the impact force, chips and deposits attached to the screw holes are reliably removed, separated into the machine oil L, and removed one by one from the discharge end of the spiral track 3. Since the track 61 of the cylindrical body 60 and the track 3 of the bowl are transferred and subjected to cleaning, the cutting is surely removed.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a machined product cleaning device, and more particularly to a machined product cleaning device for automatically removing chips generated during thread cutting of bolts and nuts from the bolts and nuts.

[0002]

[Prior art and its problems]

 Due to the thread cutting process of bolts and nuts, the chips adhere to the bolts and nuts after these processes.To make these finished products, these chips must be washed and removed. I won't. For this reason, conventionally, bolts and nuts after processing have been immersed in machine oil so that workers can manually wash and remove them. However, not only is the removal of chips incomplete by such manual work, but it is also required to increase the human cost and reduce the production cost.

[0003]

[Problems to be solved by the device]

 The present invention has been made in view of the above problems, and an object thereof is to provide a cleaning device for machined products that can automatically clean chips such as bolts and nuts after machining and supply them to the next process. To do.

[0004]

[Means for solving problems]

 The above-mentioned object is to form a spiral track on each inner peripheral wall of the bowl-shaped container and the cylindrical body concentrically arranged inside the bowl-shaped container, and store the cleaning liquid in the bowl-shaped container and the cylindrical body. While applying a torsional vibration force to transfer the machined product immersed in the cleaning liquid on the track by vibration, chips and adhering substances are removed by the cleaning liquid, and the upper end of the track of the cylindrical body is used to remove the chips. The machined product dropped on the bottom wall of the container is then transferred on the truck of the bowl-shaped container and discharged to the outside from the discharge end of the truck. To be achieved.

[0005]

[Action]

 A cleaning liquid such as machine oil is stored in the bowl-shaped container and the cylindrical body. When the bowl-shaped container is subjected to torsional vibration, a spiral track formed on the inner peripheral wall of the cylindrical body and the bowl-shaped container. A metal-machined product with chips along it, such as a nut, is transferred along the track due to vibration.During this transfer, vibration force is received and the chips are shaken off from the nut and separated into the cleaning liquid. .. When a spiral track is transferred, it is subjected to this effect, and when it comes out of this discharge end, it can be supplied to the next process as a product from which chips have been almost completely removed. The top of the track formed on the inner wall of the cylinder falls from the top end of the track to the bottom wall between the bowl-shaped container and the cylinder, and the track of the bowl-shaped container rises from here, so the nut is washed after a long stroke. As a result, chips are completely removed.

[0006]

【Example】

 Hereinafter, a nut cleaning device according to an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 to FIG. 4 show a nut cleaning device according to an embodiment. In the drawings, the entire device is indicated by 1, and a spiral is formed on the inner peripheral wall portion of a substantially cylindrical bowl-shaped container 2. -Shaped track 3 is formed, and a movable core 4 is fixed to the bottom wall of the bowl 2, and the lower base block 5 and the lower core block 5 are inclined at equal angular intervals. It is connected by a spring 6. An electromagnet 8 around which a coil 7 is wound is fixed on the base block 5, and the movable core 4 described above is arranged with a gap g therebetween. The torsional vibration drive unit is configured as described above, but the whole is covered with the cylindrical cover 10. Further, the entire torsional vibrator described above is supported on the floor by a vibration-proof rubber 9. Machine oil L is stored in the bowl 2, and the bowl 2 is screwed and fixed to the movable core 4 by a bolt 11.

Inside the bowl-shaped container 2, a cylindrical body 60 is further concentrically fixed to the bottom wall of the bowl-shaped container 2, and a spiral track 61 is also provided on the inner peripheral wall. Has been formed. Further, the bottom wall of the bowl-shaped container 2 is provided with a drain 62, which is normally closed, but if the cleaning liquid in the bowl-shaped container 2 is to be discharged, it should be opened. It is designed to be discharged to the outside.

Further, a discharge pipe 63 provided at the upper limit level of the cleaning liquid is integrally formed on the peripheral wall portion of the bowl-shaped container 2, and when the cleaning liquid having a higher level than this is poured into the bowl-shaped container 2. It is designed to be discharged from here.

Further, as shown in FIG. 2, most of the spiral tracks 3 and 61 described above are formed of punch metal and have a large number of small holes h. Is connected to an external lead-out track 12 having no holes for supplying the bolts m one by one to the next process.

The first embodiment of the present invention is constructed as described above. Next, this operation will be described.

When alternating current is applied to the coil 7 in FIG. 1, an alternating magnetic attraction force is generated between the electromagnet 8 and the movable core 4 as is well known, whereby the bowl 2 causes torsional vibration. The machine oil L is stored in the bowl 2, and the machined nut m is put in the machine oil L. It should be noted that the illustration is made only in a scattered manner for simplification of the drawing, but in reality, it is assumed that the nuts m are inserted at a higher density.

A large number of nuts m are put into the cylindrical body 60. By receiving the cylindrical vibration 60 of the torsional vibration force of the bowl-shaped container, the spiral-shaped track 61 is raised, and in the middle of this process, the cleaning liquid L cleans the chips adhering to the screw holes ma of the nut m. Will be dropped. When reaching the upper end of the spiral track 61, the spiral track 61 falls from here to the bottom wall between the bowl-shaped container 2 and the cylindrical body 60, and from there, the climbing port of the track 3 formed on the inner peripheral wall of the bowl-shaped container 2. And the truck 3 is also washed with the washing liquid L on the way of the transfer. The chips adhering to the screw holes are removed.

On the bottom of the bowl 2, the nut m receives a torsional vibration force and an outward centrifugal force to reach the ascending port of the tracks 3 and 61. By this time, the chips d (see FIG. 3) already attached to the screw holes ma of the nut m 1 that have been machined are removed by vibration and separated into the machine oil L. Even when it is transferred by the vibration of the spiral tracks 3 and 61, it is transferred while repeating a small jump motion, and when it collides with the spiral tracks 3 and 61, it is attached to the screw hole ma by the impact force. The scraps d that have been removed are efficiently removed, and since the spiral tracks 3 and 61 have a considerably long process, the scraps d are fully removed during this period, and the scraps d that have been removed are punched metal. Of the trucks 3 and 61 are dropped from the small holes h.

Further, according to the present embodiment, the wiper 14 is provided in the vicinity of the middle of the spiral track, and as a result, the nuts m that have come to overlap as shown in FIG. Be led to. Therefore, the already washed nuts m are supplied from the guide track 12 in a single layer one by one to the next process. For example, if the bolts are washed in the same manner, the washed bolts and the washed nuts m are automatically It can be screwed in the next step.

Although it is discharged from the truck 12 to the outside as described above, according to the present embodiment, the truck 61 formed on the inner peripheral wall surface of the cylindrical body 60 and the inner peripheral wall portion of the bowl-shaped container 2 have the same structure. While the formed truck 3 is being transferred, it is subjected to the cleaning action of the cleaning liquid L, so that it is cleaned after a sufficiently long transfer stroke, and therefore, it is supplied to the next process from the discharge end of the track 12 after being sufficiently cleaned. You can

The embodiment of the present invention exerts the above-described actions and effects, but can be performed automatically and removes the chips of the nut m after machining without any manual operation. In addition, according to this embodiment, it is possible to supply this to the next step.

FIG. 5 shows a modified example of the spiral track 3. In this modified example, the spiral track is connected to the track portion 3a and the downstream side thereof so that a part of the spiral track has a step. By constructing the track portion 3b with a step as shown in FIG. 5, when the nut m falls on the step, it receives a larger thrusting force and also has a reversing action, so that the screw hole ma The chips attached to the can be separated more reliably.

Next, a nut cleaning device according to a second embodiment of the present invention will be described with reference to FIG. The parts corresponding to those in the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

A spiral track 23 is formed on the inner peripheral wall portion of the bowl-shaped container 22 having a substantially cylindrical shape, and according to the present embodiment, the bottom wall portion 22a thereof has the shape of a hat. A punch metal 25 is stretched over. As shown in FIG. 7, the spiral track 23 is composed of two wires 41a and 41b, which are fixed to the bowl-shaped container 22 by a mounting member having an L-shaped cross section. Further, an opening 26 is formed in the bottom wall portion 22a of the bowl 22, and a filter 28 and a hydraulic pump 29 are connected to this through a pipe 27, and an end portion 30 of the pipe faces the bowl 22. ing.

Also in the second embodiment, the cylindrical body 70 is concentrically fixed to the bottom wall of the bowl-shaped container 22, and the punch metal 72 is stretched around the bottom to form a cylindrical body. The punch metal 25 is stretched between the 70 and the bowl-shaped container 22 at approximately the same level as described above. A track 71 is also formed in a spiral shape on the inner peripheral wall of the cylindrical body 70, and a large number of nuts put into the cylindrical body 70 are primaryly arranged on the spiral track 71 of the cylindrical body 70. After being thoroughly washed, it drops from the upper end of the truck 71 to the bottom wall portion between the bowl-shaped container 22 and the cylindrical body 70, and again rises up the truck formed on the inner peripheral wall portion of the bowl-shaped container 22. As a result, a sufficient cleaning action can be obtained after a long transfer process.

Also in this embodiment, the machine oil L is stored in the bowl 22, and a large number of nuts m are put therein. The bowl 22 is subjected to a torsional vibration force, so that the nut m on the punched metal 72, 25 is subjected to this vibration force and is dispersed outward by the centrifugal force, and reaches the climbing port of the spiral tracks 71, 23. However, the chip d already adhering to the screw hole ma of the nut m by this time is removed from this and falls through the small holes of the punched metal 72, 25 to the bottom wall portion 26 of the bowl 22.

As shown in FIG. 7, the spiral track 23 is composed of two wires 41a and 41b, and the nut m is transferred by vibration in a straddling state. Although the chip d is transferred by receiving the pulling force, the chips d falling from the screw hole ma at this time are separated into the machine oil L through the gap between the wires 41a and 41b. Further, as shown in FIG. 7, the wiper blade 14 is provided in the same manner as in the first embodiment, and the nuts m which have come to overlap up to this point when passing through here are made into a single layer and a single row, It is very convenient when some kind of combination process is connected to the next process.

Further, in FIG. 6, since the pump 29 is constantly driven, the machine oil L in the bowl 22 is sucked by this, and after the chips and adhering substances separated by the filter 28 through the pipe 27 are removed, the pump 29 Is discharged into the bowl 22 from the pipe end 30. As a result, the machine oil L is constantly purified while being circulated, so that the machine oil L in the bowl 22 can be kept normal at all times, and the cleaning action of the many nuts m put therein is always effective. Can be done.

FIG. 8 is a perspective view of an essential part of a nut cleaning device according to a third embodiment of the present invention. Other configurations are the same as those of the above embodiment, but the spiral track 52 is the second embodiment. Like the example, it is composed of two wires 51a and 51b, but these are fixed to the bowl 22 by a mounting member 53.

According to the present embodiment, the bolt M is transferred in a suspended state as shown in FIG. 8, which also repeats a small jumping motion due to the torsional vibration force, but the collision with the wire member 51a, 51b. At the time of scraping, the chips d ′ attached to the shaft portion Ma are removed. According to the present embodiment, the nut m can also be washed with this device.

Although the respective embodiments of the present invention have been described above, the present invention is not limited to these, and various modifications can be made based on the technical idea of the present invention.

For example, in the above-described embodiments, the present invention is applied to remove chips and other deposits generated during screw processing of bolts or nuts, but of course the invention is not limited to this, and metal processed products or machined products are also applicable. The present invention can also be applied to a processed product in which some chips are attached.

Further, although the above-mentioned embodiments are applied to the processed product made of metal, the present invention is not limited to this, and some cleaning liquid may be used to remove any adhering matter on the processed parts made of other materials such as synthetic resin. The invention may be applied to remove these deposits, for example with water. Further, the cleaning liquid may be water or another liquid instead of the machine oil as described above.

Further, in the above embodiment, the cylindrical body 70 is provided concentrically with the bowl-shaped container 22, and the spiral tracks 61 and 71 are also formed on the inner peripheral wall portion thereof. However, instead of this structure, A second cylinder is further provided concentrically inside the cylinders 60 and 70, spiral tracks are formed on the inner peripheral wall of these cylinders, and a nut to be cleaned is put into the cylinder. While ascending the spiral track of the second cylinder, it is cleaned with a cleaning solution and a nut is dropped from the upper end to the bottom wall between the first cylinder and the second cylinder, After that, the spiral track formed on the inner wall of the first cylinder is lifted up for further cleaning, and the upper end of the spiral track is used to remove the bowl-shaped container and the first cylinder. Drop the nut on the bottom wall. However, the nut may be climbed from the climbing port of the spiral track so that the nut can be washed in a longer transfer stroke.

[0031]

[Effect of the device]

 According to the machined product cleaning apparatus of the present invention, for example, chips and deposits attached to bolts and nuts can be automatically and reliably removed.

[Brief description of drawings]

FIG. 1 is a partially cutaway side view of a nut cleaning device according to a first embodiment of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is an enlarged cross-sectional view of the relevant part.

FIG. 4 is an enlarged perspective view of another main part.

FIG. 5 is an enlarged perspective view showing the same modified example.

FIG. 6 is a partially cutaway side view of a cleaning device according to a second embodiment of the present invention.

FIG. 7 is an enlarged perspective view of the main part.

FIG. 8 is an enlarged perspective view of a main part of a nut cleaning device according to a third embodiment of the present invention.

[Explanation of symbols]

 2 Bowl-shaped container 3 Track 6 Leaf spring 8 Electromagnet 22 Electron-shaped container 23 Track 25 Punch metal 41a Wire 41b Wire 51a Wire 51b Wire 52 Track 60 Cylindrical body 61 Track 70 Cylindrical body 71 Track L Machine oil

Claims (5)

[Scope of utility model registration request] 1. A spiral track is formed on each inner peripheral wall portion of a bowl-shaped container and a cylindrical body concentrically disposed inside the bowl-shaped container, and a cleaning liquid is stored in the bowl-shaped container and the cylindrical body. While applying a torsional vibration force to transfer the machined product immersed in the cleaning liquid on the track by vibration, chips and deposits are removed by the cleaning liquid, and the bowl-shaped container is removed from the upper end of the cylindrical track. The machined article cleaning device characterized in that the machined article that has fallen to the bottom wall of the machine is then transferred on the truck of the bowl-shaped container and discharged from the discharge end of the truck to the outside. 2. The machined product cleaning apparatus according to claim 1, wherein the track is formed of punch metal. 3. The machined product cleaning apparatus according to claim 1, wherein the truck is provided with a step for dropping the machined product in a transfer direction. 4. The machined product cleaning apparatus according to claim 1, wherein the tracks are formed of wire members extending in parallel with each other with a gap therebetween. 5. A pump and a filter are connected to each other by piping so as to communicate with the inside of the bowl-shaped container, and the cleaning liquid is circulated.
At this time, the machined article cleaning device according to claim 1, wherein the chips and adhering substances are separated by the filter.