JPH0634861B2 - Pachinko ball lifting and polishing equipment - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a pachinko ball lifting / polishing device including a polishing material cleaning device for polishing a pachinko ball.

[Prior Art] The applicant of the present invention has already proposed a pachinko ball lifting device having an abrasive cleaning device as described in JP-A-61-213077. In this conventional device, as shown in FIG. 3, a rotary member 6a including a screw portion 3a, a shaving blade 4a, and a spiral coil 5a is inserted into a horizontal feed cylinder 2a communicating with the lower end of the lifting cylinder 1a, and this rotation is performed. By rotating the member 6a by a motor 7a, dirt on the surface of the abrasive is removed, and the abrasive and the pachinko ball from which the dirt is removed are lifted up.
It is sent to a and is lifted up while polishing a pachinko ball. Then, fine dust-like shavings removed from the abrasive are sucked and removed by the suction action of the dust collector 8a.

[Problems to be Solved by the Invention] By the way, in such a conventional apparatus, the transverse feed tube 2 is used.
Since the rotating member 6a inserted in the "a" performs both removal of the dirt of the abrasive and feeding of the pachinko balls to the lifting cylinder 1a, the problem that the dirt of the abrasive cannot be removed sufficiently I found out that The reason seems to be easily achieved by increasing the speed of rotation of the rotary member 6a in order to enhance the dirt removal effect of the abrasive material. The dirt of the pachinko balls supplied inside is not sufficiently removed, but the pachinko balls are sent to the lifting cylinder 1a, which considerably reduces the ball polishing efficiency, and eventually the rotation speed of the rotating member 6a is reduced. This is because it is impossible to make it faster.

Further, as described in, for example, Japanese Patent Laid-Open No. 59-80276, an abrasive material regenerator is provided in the middle of the abrasive material transportation path for returning the abrasive material separated from the pachinko balls by the sorting device to the abrasive material inlet, and the dirt is contaminated. There is a device that scrapes the surface of the abrasive.
However, in this conventional apparatus, even if the abrasive is not dirty, the abrasive regenerator always performs the cutting process, so that the abrasion of the abrasive is extremely conspicuous and it is very difficult to replace it. There was a problem that it was an economy.

On the other hand, as a pachinko ball lifting device that solves such problems, the polishing material that has already been separated from the pachinko balls in the sorting device is directly refluxed, or a dirty cleaning material is introduced to a cleaning device. Japanese Patent Application Laid-Open No. 60-90583 proposes a pachinko ball lifting / cleaning device which is cleaned and then refluxed. However, in this conventional device, a cleaning device and a dust collecting device are separately provided, and the cleaning action for scraping off the dirt of the abrasive and the dust collecting action for sucking and removing the shavings are performed by separate motors. However, there is a problem that the entire device is inevitably complicated and large, a large installation space is required, and the manufacturing cost is increased. In addition, there are many problems in terms of maintenance, and there are various problems such as poor economy.

Therefore, the object of the present invention is to reduce the polishing efficiency of the pachinko ball and to most effectively remove the dirt of the abrasive without abrading the abrasive, and the entire device is compact and does not take up a place to install, Another object of the present invention is to provide a lifting and polishing apparatus for pachinko balls, which is inexpensive to manufacture.

[Means for Solving the Problems] In order to achieve the above object, in the pachinko ball lifting and polishing apparatus of the present invention, a spiral coil is inserted inside, and the pachinko ball and the abrasive are rotated by the rotation of the spiral coil. A pumping cylinder for pumping while stirring and mixing, a pachinko ball and a feed part for the abrasive, and a lateral feed tube for sending the pachinko ball and the abrasive to the pump by rotation of the spiral coil inserted inside. , A sorting device which is provided at an upper end opening of the lifting cylinder and which sorts a pachinko ball and an abrasive material, a circulation pipe which returns the abrasive material sorted by the sorting device to a lateral feeding cylinder, and the middle of the circulation pipe. The cleaning device is provided with a branch pipe that guides the dirty abrasive to the cleaning device. The cleaning device scrapes the surface of the abrasive to purify it and returns it to the lateral feed cylinder. The turbo member sucks and removes the shavings. A fan and a cleaning motor The turbofan is fixed on the rotary shaft of the rotary member, and the rotary shaft is connected to the motor shaft of the cleaning motor.

[Operation] The rotation member and the turbo fan rotate by the rotation of the cleaning motor, and the rotation of the rotation member scrapes off the surface of the abrasive that is separated from the pachinko balls by the sorting device and is sent by the branch pipe to rotate the turbo fan. To remove the shavings by suction. In this way, one cleaning motor that has both a cleaning action for removing dirt on the abrasive and a dust collecting action for sucking and removing shavings can be performed by using one cleaning motor, thereby reducing the size and cost of the entire apparatus. To enable.

[Embodiment] An embodiment of the present invention will be described below with reference to the drawings. First
FIG. 1 is a front view showing the entire device of the present invention in a cross section, and FIG. 2 is an enlarged cross sectional view of a main part. In the figure, 1 is a base, 2
Is a lifting tube installed vertically on the upper surface of the base 1, and 3 is a lateral feeding tube communicating with the lower end of the lifting tube 2. A spiral coil 4 is inserted in the lifting tube 2. A motor 5 for rotating the coil 4 is provided at the upper end of the lifting cylinder 2, and a sorting device 6 is provided at the upper end opening.

A spiral coil 7 is inserted in the lateral feed cylinder 3. The spiral coil 7 is connected to a rotary shaft 10 that is rotatably supported by a bearing 9 fixed to an end plate 8 that closes the end of the lateral feed cylinder 3. The rotary shaft 10 has an extension that penetrates the bearing 9, and a motor 11 that rotates the spiral coil 7 is connected to the extension. Further, on the outer peripheral surface of the lateral feed cylinder 3,
A supply port 12 for a pachinko ball and a supply port 13 for an abrasive made of synthetic resin particles are provided in parallel with each other, and a cleaning device 14 is provided above the rear part of the lateral feed cylinder 3.

The cleaning device 14 is fixed to the upper surface of a plate 15 supported by the base 1 via, for example, leg members. This cleaning device 1
As shown in FIG. 2, reference numeral 4 comprises a cutting section 16 for scraping off the surface of the abrasive material, and a dust collecting section 17 for sucking and removing the scraps. The cutting unit 16 includes a rotating member 18 and a cylindrical housing 19 that houses the rotating member 18. Rotating member 1
8 has a screw portion 18a and a plurality of shaving blades 18b on the outer circumference of a rotary shaft 33, and is rotatably supported by a bearing 21 fixed to an end plate 20 that closes one end of a housing 19. The housing 19 is a blade 18b of the rotary member 18.
The portion surrounding the entire length of is formed as a net-like cylinder 19a having a large number of punched holes. The inner peripheral surface of the mesh cylinder 19a defines a limited passage for approaching the shaving blade 18b to scrape off the surface of the abrasive, and the outer end portion thereof is opened as the abrasive discharge port 44, and the discharge port thereof. The adjustment plate 22 is provided at 44. The adjusting plate 22 has a screw rod 24 supported by an arm 23, and is pressed against the discharge port 44 by a pressing coil spring 25 passing through the screw rod 24 and screwed into the screw rod 24. The gap with respect to the outlet 44 can be adjusted by the screw 26. Further, the outer peripheral surface of the net-like cylinder 19a is surrounded by a box-shaped exterior 27 and kept airtight, and an air pipe 28 as an intake port is provided.
It is communicated with the dust collecting part 17 via. The screw portion 18a of the rotary member 18 is provided on the outer peripheral upper surface of the housing 19.
A hopper 29 is provided for introducing the soiled abrasive into the hopper 29. The abrasive material discharged from the discharge port 44 falls into the supply port 13 via the introduction part 43.

The dust collecting part 17 includes a filter 31 and a turbo fan 32 inside a box-shaped housing 30. The turbo fan 32 is attached to a rotating shaft 33 of the rotating member 18 which extends through the bearing 21 and inside the housing 30. The end of the rotary shaft 33 extends to the outside of the housing 30 and is connected to one end of a motor shaft 35 of a cleaning motor 34 arranged on the upper surface of the plate 15. An exhaust port 36 is formed in the upper portion of the housing 30 toward the cleaning motor 34.

The sorting device 6 separates the pachinko balls that are pumped into the pumping cylinder 2 from the abrasive material, and a tray 37 with a gap smaller than the diameter of the pachinko balls and a saucer that collects the abrasive material that has fallen from the cage 37. 38. A circulation pipe 39 communicating with the supply port 13 of the transverse feed pipe 3 is connected to the bottom of the tray 38, and a branch pipe 40 communicating with the hopper 29 of the cleaning device 14 is connected in the middle of the circulation pipe 39. ing. The internal space of the tray 38 is communicated with the dust collector 17 via an air pipe 41. A switching valve 42 is provided at the lower end of the circulation pipe 39. The switching valve 42 is normally opened to supply most of the abrasive material to the supply port 4
It is possible to flow back from 5 to the inside of the lateral feed cylinder 3. Then, by closing the switching valve 42, the abrasive is separated from the branch pipe 40.
And is returned to the cleaning device 14 via.

In the pachinko ball lifting and polishing apparatus of the present invention having the above-mentioned configuration, the dirty pachinko ball is fed from the supply port 12 into the inside of the lateral feed cylinder 3 through the gutter member (not shown), and the abrasive is fed from the supply port 13 to the lateral direction. It is supplied inside the feed tube 3. Then, the spiral coil 4 is rotated by driving the motor 5, the spiral coil 7 is further rotated by driving the cleaning motor 11, and the turbo fan 32 and the rotating member 18 of the cleaning device 14 are driven by driving the cleaning motor 34. Rotate. Then, when the spiral coil 7 rotates, the pachinko ball and the abrasive are mixed by the spiral coil 7 and transferred into the lifting cylinder 2. Lifting tube 2
The amount of pachinko balls and abrasives transferred inside is gradually increased while being stirred and mixed by the spiral coil 4 rotated by the drive of the motor 5, and continues to rise toward the upper end opening. When the pachinko balls and the abrasive are stirred and mixed by the spiral coil 4, the dirt of the pachinko balls adheres to or is removed from the surface of the abrasive by contact friction between them, and the pachinko balls are sufficiently polished. The pachinko balls that have reached above the lifting cylinder 2 are sent out together with the abrasive material onto the cage 37 of the sorting device 6 from the opening and are supplied to each pachinko machine via a gutter member (not shown). From the gap to the receiving tray 38, it is circulated from the supply port 13 into the lateral feed cylinder 3 by the circulation pipe 39.

When the surface of the abrasive material becomes dirty and the polishing action of the pachinko ball weakens, the switching valve 42 is closed. As a result, the abrasive passes through the branch pipe 40 and the cutting portion 1 of the cleaning device 14.
6 will be sent to the hopper 29 from the housing 19
Be guided inside. The abrasive introduced into the housing 19 is
The mesh portion 19a is formed by the screw portion 18a of the rotating member 18.
Sent to the part, and the inner peripheral surface of the mesh tube 19a and the shaving blade 1
When sandwiched between 8b, the surface is scraped off to remove dirt. That is, the dirty abrasive is completely removed while changing its direction while moving by the many punching holes of the mesh tube 19a and the shaving blade 18b, and the discharge port 4
It is sent to 4. This moving speed can be changed by adjusting the pressing force of the adjusting plate 22.

Then, the purified abrasive is introduced from the discharge port 44 to the introduction portion 43.
And is sent to the supply port 13. The shavings scraped off from the surface of the abrasive are sucked into the dust collecting section 17 through the air pipe 28 together with the air by the suction action by the high speed rotation of the turbo fan 32, and are filtered by the filter 31. Further, dirt and dust that have fallen on the tray 38 are sucked in through the air pipe 41 and filtered. The filtered clean air is discharged to the outside from the exhaust port 36 and serves to cool the cleaning motor 34.

[Advantages of the Invention] Since the present invention is configured as described above, it has the effects described below.

The cleaning device is composed of a rotary member that scrapes the surface of the abrasive and returns it to the transverse feed cylinder while purifying it, a turbo fan that suctions and removes the shavings, and a cleaning motor.The turbo fan is placed on the rotary shaft of the rotary member. By adopting a structure in which the rotary shaft is fixed and connected to the motor shaft of the cleaning motor, one cleaning having a cleaning action for scraping off the dirt of the abrasive and a dust collecting action for sucking and removing the scraps is common. Since it can be performed by a cleaning motor, the entire apparatus can be downsized, and the cleaning motor can be rotated at high speed to effectively remove dirt on the abrasive. Further, the entire device can be simplified to facilitate maintenance in the event of a failure, and the manufacturing cost can be reduced.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is a front view showing the entire apparatus in section, FIG. 2 is an enlarged sectional view showing essential parts, and FIG. It is a front view shown in a cross section. 2 ... Lifting cylinder, 3 ... Lateral feeding cylinder, 4 ... Spiral coil, 6 ... Sorting device, 7 ... Spiral coil, 14 ... Cleaning device, 18 ... Rotating member, 32 ... Turbo fan, 33 ... Rotating shaft, 34 ... Cleaning Motor, 39 ... Circulation pipe, 40 ... Branch pipe.

Claims (1)

[Claims] 1. A hoisting cylinder for inserting a spiral coil into the inside thereof and rotating the spiral coil to stir and mix the pachinko ball and the abrasive, and a supply unit for the pachinko ball and the abrasive. A lateral feed tube that feeds a pachinko ball and an abrasive to a hoisting tube by rotation of a spiral coil inserted inside, a sorting device that is provided at an upper end opening of the hoisting tube, and selects the pachinko ball and the abrasive, A circulation pipe that returns the abrasives sorted by the sorting device to the lateral feed cylinder, and a branch pipe that is provided in the middle of the circulation pipe and guides the dirty abrasive to the cleaning device, and the cleaning device is It consists of a rotary member that scrapes the surface to clean it and returns it to the transverse feed cylinder, a turbo fan that suctions and removes the shavings, and a cleaning motor.The turbo fan is fixed on the rotary shaft of the rotary member and The axis of the cleaning motor Pachinko balls pumped polishing apparatus is characterized in that connected to the motor shaft.