JPH11309303A - Deforming apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify a structure while performing efficient deforming. SOLUTION: Sub-shafts 29 are attached to both ends of a rotary frame 27 rotated centering around a main shaft 26 in such a state that the upper parts of them are inclined toward the main shaft 26 and container holders 28 are attached to the sub-shafts 29 and a main pulley 30 is provided on the same shaft as the main shaft in a state rotatable independently of the main shaft and an endless belt is trained over the sub-pulleys 45 of the sub-shafts and the main pulley 30 and a one-way clutch 50 not permitting the rotary direction of the main pulley in one direction but permitting the same in other direction is provided and, when the main shaft 30 is rotated in one direction, the container rotates on its own axis while revolves and, when the main shaft 26 is rotated in the other direction, the container revolves without rotating on its own axis.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a defoaming apparatus for mainly removing bubbles contained in a highly viscous liquid.

[0002]

2. Description of the Related Art As shown in FIG.
A main shaft 2 is provided in a vertical direction substantially at the center of a base 1 provided in a horizontal direction, and a rotation motor 3 and a revolving motor 4 are mounted on the left and right sides of the base 1 with the main shaft 2 interposed therebetween, and output shafts of the motors 3 Is projected above the base 1, a horizontally long rotating frame 5 is fixed to the upper part of the main shaft 2, and a sub shaft 6 is provided at one end of the rotating frame 5, with the upper part inclined toward the main shaft 2, A container holder 7 is fixed to the upper part of the sub-shaft 6, and a counterbalance weight 8 is provided at the other end of the rotary frame 5 with the main shaft 2 interposed therebetween so as to be movable in the radial direction. An idle shaft 9 is provided vertically through the rotary frame 5, and an upper idle pulley 10 is fixed to an upper end of the idle shaft 9 protruding above the rotary frame 5.
An endless belt 12 is stretched between the endless belt 12 and a holder pulley 11 formed on the outer peripheral surface of the container holder 7, and a part of the endless belt 12 is hung on a direction change roller 13 disposed at the rotation center of the rotating frame 5, and The lower idle pulley 14 is fixed to the lower end of the idle shaft 9 projecting downward, and the endless belt 1 is disposed between the rotation pulley 15 fitted on the main shaft 2 via a bearing and the lower idle pulley 14.
6, an endless belt 17 is stretched between the rotation pulley 15 of the main shaft 2 and the pulley of the rotation motor 3, and between the revolution pulley 18 fixed to the main shaft 2 and the pulley of the rotation motor 4. The endless belt 19 is stretched over.

In the defoaming device having such a configuration, when the revolving motor 4 is operated, the main shaft 2 rotates and the rotating frame 5 rotates, and the rotation of the rotating frame 5 causes the container set in the container holder 7 to rotate. 20 is the main shaft 2
Rotate on the circumference around the circle, that is, revolve. When the rotation motor 3 is actuated, the rotation force is applied to the endless belt 1.
7, the rotation is transmitted to the container holder 7 via the pulley 15 for rotation, the endless belt 16, both idle pulleys 14 and 10, and the endless belt 12, whereby the container 20 rotates around the sub shaft 6, that is, rotates.

As described above, in the conventional defoaming apparatus, the motor 3 for rotating the container 20 and the motor 4 for revolving are separately provided, and therefore, the rotational force transmission system for revolving and the rotating force are also separate. When removing bubbles while stirring and mixing a plurality of types of liquids, it is preferable to revolve while rotating the container 20. Therefore, the motors 3 and 4 are operated. On the other hand, when only defoaming is performed, if the container 20 rotates on its own, the time required for defoaming will be rather long. Therefore, only the revolution motor 4 is operated with the rotation motor 3 stopped.

[0005] When the above-described defoaming apparatus is used to defoam, for example, two kinds of liquids while stirring and mixing, a counter is set in accordance with the total weight of the liquid to be put in the container 20. The position of the balance weight 8 is adjusted, thereby achieving a rotational balance.

[0006]

However, providing two separate motors for rotation and rotation for rotating the container and providing two rotation force transmission systems for rotating the container complicates the structure, and makes production and maintenance difficult. Is not only complicated, but also difficult to reduce in size and weight. Further, since the processing is performed in a single container, the processing amount is small compared to the mass of the portion rotated by the motor.

The present invention has been proposed in view of the above circumstances, and an object thereof is to provide a defoaming apparatus capable of simplifying the structure and performing efficient defoaming. Things.

[0008]

SUMMARY OF THE INVENTION The present invention has been proposed to achieve the above-mentioned object, and is characterized in that it is fixed to an upper part of a longitudinal main shaft connected to a rotary drive source. A rotating frame that rotates about the main shaft, and a sub-shaft that is disposed on the rotating frame at a position deviated from the center of rotation about the main shaft and that is rotatably mounted with the upper part inclined toward the main shaft, A container holder attached to the sub shaft, a main pulley provided coaxially with the main shaft so as to be rotatable independently of the main shaft, a sub pulley fixed to the sub shaft, a sub pulley and An endless belt stretched between the pulley and a one-way rotation restricting mechanism that prohibits the rotation direction of the main pulley in one direction and allows the other direction.
When the main shaft and the rotating frame are rotated in one direction by the driving of the rotation drive source, co-rotation with the main shaft of the main pulley is prohibited, and the container mounted on the container holder rotates while revolving, and when rotated in the other direction, the main shaft of the main pulley. And the container is allowed to revolve without rotating by allowing co-rotation with the container.

According to a second aspect of the present invention, a plurality of sub shafts are arranged at equal intervals in a circumferential direction on a concentric circle centered on the main shaft on the rotating frame, and a container holder is provided on each sub shaft. The defoaming apparatus according to claim 1, wherein

According to a third aspect of the present invention, there is provided a rotating frame fixed to an upper portion of a vertical main shaft connected to a rotary drive source and rotating about the main shaft, and a rotating frame having a rotation about the main shaft. A sub-shaft that is located off center and is rotatably mounted with the upper part inclined to the main shaft side, a container holder mounted on this sub-shaft, and coaxial with the main shaft, independent of the main shaft Main pulley provided in a rotatable state, a sub-pulley fixed to the sub-shaft, an endless belt stretched between the sub-pulley and the main pulley, and a main pulley rotating with the rotation of the main shaft. A braking mechanism that applies a braking force to the main pulley to reduce the rotation of the main pulley, and when the main shaft and the rotating frame are rotated by driving the rotation drive source, the main pulley rotates at a rotation speed smaller than the rotation speed of the main shaft,
The defoaming device is characterized in that the sub-pulley rotates due to the difference in the number of rotations between the main shaft and the main pulley, and the container revolves while revolving.

According to a fourth aspect of the present invention, the braking mechanism is a variable braking mechanism capable of adjusting a braking force, and adjusting the difference in the number of revolutions between the main shaft and the main pulley by adjusting the braking force. 4. The defoaming apparatus according to claim 3, wherein the number of rotations can be adjusted.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a cross-sectional view illustrating a configuration of a first embodiment of a defoaming device 21, and FIG. 2 is a cross-sectional view illustrating a main part thereof.

The defoaming device 21 is provided on the housing 22 with the processing chamber 2.
3, a base 24 extending in the horizontal direction is constituted by the ceiling surface of the housing 22 and the floor surface of the processing chamber 23, and a part of the base 24 is inserted into a through hole formed substantially at the center of the base 24. In this state, a swing bearing 25 is provided, and a main shaft 26 is provided in a longitudinal direction as a revolving shaft with a lower portion supported by the swing bearing 25, and a rotating frame 27 is fixed to an upper end of the main shaft 26, and an upper portion is mounted on the rotating frame 27. A sub shaft 29 as a rotation shaft for mounting the container holder 28 to the main shaft 26 is provided with its upper part inclined toward the main shaft 26, and the main pulley 30 is independent of the main shaft 26 via a bearing outside the main shaft 26 near the rotating frame 27 via a bearing. The one-way rotation restricting mechanism for controlling the rotation direction of the main pulley 30 is provided on one side of the base 24, and is provided as a rotation drive source provided inside the housing 22. No m 31 the output shaft of is connected via a coupling to the lower end of the main shaft 26. The rotation speed of the motor 31 can be set as appropriate.

The oscillating bearing 25 includes a cylindrical bearing body 33 having a flange 32 on the outer periphery and having a bearing inside, an upper rubber ring plate 34a and a lower rubber ring plate 34b sandwiching the flange 32, A pressing member 35 for pressing the upper rubber ring plate 34a from above; a pressing member 35 fixed on the base 24;
And a base 36 to which the. The collar 32 is
It has a disk shape whose thickness is gradually reduced from the base end toward the outer peripheral side, and is disposed substantially at the center of the vertical length of the cylindrical portion of the bearing body 33. The rubber ring plates 34a and 34b sandwiching the flange 32 are elastic rubber plates having a uniform thickness in a natural state where no force is applied. Therefore, when the pressing member 35 is pressed from above with the flange 32 interposed between the lower rubber ring plate 34b and the upper rubber ring plate 34a, the flange 32
The part contacting the thick part is strongly compressed, and the part contacting the thin part is weakly compressed. In other words, the portion closer to the bearing body 33 of the flange portion 32 is held with a stronger force, and the holding force is set to be gradually weaker toward the outside.

As described above, when the thickness of the flange portion 32 is made thicker at the base end side and gradually reduced toward the distal end side, when the main body 26 swings, the bearing body 33 swings. In the vicinity, the rubber ring 34
Is pressed, and the portion toward the front end is pressed with a gradually decreasing force, and the rubber ring plate 34 presses the flange portion 32 in accordance with the magnitude of the swinging power at the time of swinging. Therefore, each portion presses the flange portion 32 with a pressing force having a magnitude corresponding to the magnitude of the swinging power, thereby easily returning to the initial position (the position where the main shaft 26 stands vertically). Even if the bearing body 33 swings, the swing quickly converges and supports the main shaft 26 in the initial vertical direction.

The base 24 and the lower rubber ring plate 34b
, And between the lower rubber ring plate 34b and the flange 32, respectively, to prevent the members from rotating carelessly.

In this embodiment, the motor mounting base 39 is fixed to the lower end surface of the bearing main body 33 with bolts, and the motor 31 is fixed to the lower surface of the motor mounting base 39. Therefore, the own weight of the motor 31 acts on the bearing body 33 without acting on the housing 22, and this own weight acts as a swing convergence force and a vibration prevention force of the main shaft 26.

Next, the rotating frame 27 will be described. The rotating frame 27 is a trapezoidal aluminum frame when viewed from the front, which is a trapezoid and a trapezoid, when viewed from above.
The center of the lower surface portion (that is, the center of the rotary frame 27) is fixed to the upper end flange portion of the main shaft 26 with bolts, and the sub-shaft bearings 41 are provided on the inclined surfaces 40 at both ends inclined at about 45 °. The direction changing roller 42 is rotatably provided on the lower surface portion of. The direction changing roller 42 is provided with the axial direction directed in the width direction of the rotating frame 27, and provided with a vertical difference according to a vertical dimension difference of a belt groove of the main pulley 30 described later.

The sub-shaft bearing 41 is formed by closing a lower end opening of a cylindrical body integrally formed with the rotating frame 27 with a lid, and internally providing two bearings up and down.
Is rotatably supported. This sub shaft bearing 41
When the sub shafts 29 are rotatably provided by the
The rotating frame 27 is arranged at equal distances from the center of rotation about the main shaft 26 by the same distance, that is, on a concentric circle about the main shaft 26 at a position shifted by 180 ° in the circumferential direction at equal intervals. Is rotatably attached to the main shaft 26 in a state of being inclined by 45 °. Then, the container holder 28 is fixed to the upper end of each sub shaft 29 protruding inside the rotating frame 27.

The container holder 28 is a member for supporting a container 43 for containing a liquid to be processed. In this embodiment, the container 4
At the upper end of the cylindrical body that houses 3, three claw pieces 44 are provided to project upward at the same intervals. Therefore, when the container 43 is stored in the container 43 holder 28, the claw pieces 44
3, and the container 43 in the container holder 28 can be rotated together with the rotation of the counter shaft 29.

The lower end of the sub shaft 29 protruding from the lid constituting the lower end of the sub shaft bearing 41 fixes the sub pulley 45,
An endless belt 46 having a circular cross section is stretched between the auxiliary pulley 45 and the main pulley 30 provided on the main shaft 26 while passing under the direction changing roller 42 halfway.

The main pulley 30 is rotatable independently of the main shaft 26 by two upper and lower bearings.
6 is mounted coaxially on the upper part, and 3
A belt groove is formed. Of the three belt grooves,
The upper two are grooves for hanging the endless belt hung on the sub-pulley 45, the cross-section is substantially semicircular, and the one formed slightly below these belt grooves is one with a one-way rotation restricting mechanism. And the unevenness corresponding to the step of the stepped endless belt 47 is formed. Therefore, as shown in FIG. 2, the endless belt 46a hung on the upper belt groove is passed over the auxiliary pulley 45 on the higher direction change roller 42 side.
Endless belt 46b hung on the belt groove located underneath
Is wound around the auxiliary pulley 45 on the lower direction change roller 42 side, and the stepped endless belt 47 hooked on the belt groove at the lowest position is wound around the pulley 49 of the one-way rotation regulating mechanism.

The one-way rotation restricting mechanism is a mechanism that prohibits the rotation direction of the main pulley 30 in one direction and permits the other direction. In the present embodiment, the main pulley 30 rotates in one direction but rotates in the other direction. A one-way clutch 50 is used mounted on the base 24. Then, the stepped endless belt 47 is stretched between the pulley 49 attached to the shaft of the one-way clutch 50 and the main pulley 30.

Therefore, when the main pulley 30 receives a rotational force from the main shaft 26, for example, if it receives a clockwise positive rotational force, the one-way clutch 50 allows the main pulley 30 to rotate together with the main shaft 26 in the clockwise direction. (Co-rotation). When the main pulley 30 rotates together with the main shaft 26 in the same direction, the main pulley 30 connected by the endless belt 46 is rotated.
Since no relative phase difference occurs between the pulleys 30 and 45, no couple is generated between the pulleys 30 and 45, and the endless belt 46 is not moved (transmission of rotational force) is performed. The shaft 29 does not rotate. Therefore, the container holder 28 attached to the sub shaft 29 does not rotate (rotate) about the sub shaft 29, and the container 43 simply rotates around the main shaft 26 of the rotating frame 27, that is, revolves. .

In other words, when the main shaft 26 is rotated in the forward direction, the rotating frame 27 rotates about the main shaft 26, whereby the container 43 revolves around the main shaft 26. As a result, the counter shaft 29 does not rotate, so that the container 43 does not rotate.

On the other hand, when receiving a counterclockwise rotation force from the main shaft 26, the main pulley 30 is in a state where reverse rotation is prohibited by the action of the one-way clutch 50 via the stepped endless belt 47. Therefore, it remains stopped irrespective of the rotation of the main shaft 26. The main shaft 26 rotates in the reverse direction and the rotating frame 2
When the main pulley 30 is stopped in a state in which the sub-pulley 45 also rotates in the reverse direction, the sub-pulley 45 revolves around the main shaft 26 by the reverse rotation of the rotating frame 27. Accordingly, the main pulley 30 and the sub pulley 4
5 and a difference in tension occurs between one of the endless belts 46 and the other end of the endless belt 46, and the difference in tension occurs between the two pulleys 30 and 45.
Rotates. For this reason, the container 43 is
It rotates while revolving due to the rotation of. In this embodiment, the reduction ratio between the main pulley 30 and the sub pulley 45 is set to 2.
Since the ratio is set to 5: 1, the container 43 rotates at a rotation speed of one-half of the revolution speed. This reduction ratio can be appropriately set by changing the size of both pulleys 30 and 45.

As described above, the defoaming device 2 in the present embodiment
1 is to switch the rotation direction of the main shaft 26,
3 can be switched between a state in which it revolves while revolving and a state in which it revolves without revolving.

Next, the defoaming device 21 having the above-described configuration
In the case of defoaming using, for example, a defoaming process of a liquid having a high viscosity, such as an epoxy-based resin liquid, and in which bubbles inside hardly float, will be described.

First, the same amount (the same weight) of the liquid to be defoamed is put into each of the containers 43, the lid is closed, and the liquid is set in the container holder 28. In this state, when the motor 31 is operated to revolve the main shaft 26 clockwise, the one-way clutch 50
The rotation of the main pulley 30 is allowed by the action of the above, and the main pulley 30 rotates together with the main shaft 26, so that the container 43 revolves without rotating. When the container 43 revolves, the container 43
A centrifugal force due to the revolution acts on the liquid inside, and in this embodiment, a centrifugal force of about 600 G is generated at 2000 RPM. Further, since the container 43 is inclined inward by 45 °, the liquid inside is pressed against the inner surface of the container 43 by the centrifugal force of 600 G, and the component force of this pressing force acts downward due to the inclination of the inner surface. . Therefore, the same phenomenon as the state in which the specific gravity of the liquid in the container 43 is suddenly increased as a result occurs, and this phenomenon increases the buoyancy of the bubbles (bubbles) contained in the liquid, thereby increasing the viscosity in the liquid having a large viscosity. At the bubble moves toward the liquid surface.

When a predetermined time set on the timer elapses, the bubbles contained in the liquid are finally pushed out of the liquid surface into the atmosphere, and no bubbles remain in the liquid. For this reason, even if the liquid does not disappear in a stationary state, that is, a bubble that does not float, it can be surely removed in a short time by applying a centrifugal force.

Since the container 43 does not rotate even if it revolves, the liquid in the container 43 hardly flows. Therefore, a large stirring and mixing effect cannot be expected. Therefore, this process is suitable for defoaming a liquid that does not require stirring and mixing.

Next, a process of defoaming while stirring and mixing the liquids, for example, a case where two types of liquids are mixed and then a plurality of types of liquids such as a two-liquid adhesive are mixed and defoamed. Will be described.

First, the first liquid and the second liquid are put into one container 43 according to the mixing ratio. Then, the same amount (same weight) of the first liquid and the second liquid is put into the other container 43. In this manner, the first mixture is stored in both containers 43 at a predetermined mixing ratio.
The liquid and the second liquid are put in, and the weights of both containers 43 become equal. The container 43 is adjusted to have the same weight in advance.

When the liquid is put into the container 43, the container 43 is closed and then mounted on the container holder 28. In this state, when the motor 31 is operated to revolve the main shaft 26 in the counterclockwise direction, the rotation of the main pulley 30 is prohibited by the operation of the one-way clutch 50, and only the main shaft 26 rotates while stopped.
3 revolves while rotating. When the container 43 revolves while rotating, centrifugal force acts on the liquid in the container 43 due to the revolution, and since the container 43 is inclined inward by 45 °, similar to the case where the container 43 is rotated clockwise as described above, As a result, the buoyancy of bubbles contained in the liquid increases, and even small bubbles try to move toward the liquid surface. Thereby, a bubble erasing action can be expected.

Here, since the container 43 not only revolves but also revolves around the sub-shaft 29 inclined at 45 °, the rotation of the container 43 also causes a centrifugal force due to the rotation to act on the internal liquid. Therefore, the liquid in the container 43
Due to the centrifugal force due to the revolution, it is pressed toward the outside of the orbit, and also receives a downward force due to the inclination of 45 °, and is pressed against the inner peripheral surface of the container 43 by the centrifugal force of the rotation. For this reason, forces in various directions act on the liquid and flow in a complicated manner, whereby stirring and mixing are performed.

As described above, when the container 43 is rotated while revolving, the defoaming process can be performed while stirring and mixing the liquid inside. The time set in the timer is appropriately set in consideration of the characteristics of the liquid such as the amount and viscosity of the liquid to be put in the container 43.

If the liquid flows in a complicated manner in the container 43 and is stirred and mixed, the liquid may flow downward from the liquid surface side, so that the bubbles that are about to float may fall again due to the flow. Therefore, when the container 43 rotates,
You can expect a mixing effect, but on the other hand,
The defoaming action is reduced as compared with the case where the rotation does not occur. For this reason, it is advantageous to revolve the container 43 while revolving when the stirring and mixing process is performed at the same time. However, when it is not necessary to perform the stirring and mixing, it is preferable to simply revolve the container 43 without revolving. Is advantageous.

The defoaming device 21 in the above-described embodiment
Is provided with two containers 43 on the rotating frame 27 at the same distance from each other with the main shaft 26 as the center.
The liquid of the same weight is put inside and the processing is performed while taking a balance, so that compared to the case where there is one container 43,
It is possible to process twice the amount of liquid at a time, and the operation is easy because there is no need to adjust the counterbalance weight. The number of containers 43 is not limited to two, and a plurality of sub shafts 29 are arranged on the rotating frame 27 at equal intervals in a circumferential direction on a concentric circle centered on the main shaft 26, and each sub shaft 29 If the container holder 28 is provided and the container 43 is mounted, a large number of three, four,... Containers 43 can be provided. When one container 43 is provided, the sub shaft 29 is disposed on the rotating frame 27 at a position deviated from the center of rotation about the main shaft 26, and the sub shaft 29
The container 43 may be mounted on the container holder 28 provided in the above, and a counterbalance weight corresponding to the container 43 or the like may be provided on the opposite side of the main shaft 26, for example.

In the above-described embodiment, the state of the one-way clutch 50 is switched between a state in which the coaxial rotation of the main pulley 30 with the main shaft 26 is freely permitted and a state in which the main pulley 30 is completely prohibited by the rotation direction of the main shaft 26. Thus, the presence or absence of rotation of the container 43 is switched. Therefore, when the container 43 rotates, the rotation speed of the rotation is determined by the main pulley 30.
Since the speed reduction ratio between the motor and the auxiliary pulley 45 is constant, the speed is proportional to the rotation speed of the main shaft 26.

Therefore, in place of the one-way clutch 50, a braking mechanism for applying a braking force to the main pulley 30 rotating with the rotation of the main shaft 26 to reduce the rotation of the main pulley 30, for example, an electromagnetic brake device (not shown) ) Is provided. The mechanical connection between the electromagnetic brake device and the main pulley 30 may be connected via a stepped endless belt 47 as in the above-described embodiment.

As described above, when the electromagnetic brake device for reducing the rotation of the main pulley 30 is provided, the electromagnetic force of the electromagnetic brake device, that is, the braking force is adjusted while the main shaft 26 and the rotating frame 27 are rotating. The main pulley 30 can be rotated together with the main shaft 26 at a lower rotation speed. When a difference occurs in the number of rotations between the main shaft 26 and the main pulley 30, the sub-pulley 45 rotates, so that the container 43 can be rotated.

The difference between the rotation speeds of the main pulley 30 and the main shaft 26, in other words, the rotation speed of the container 43, can be adjusted by increasing or decreasing the braking force. Therefore,
When performing the defoaming treatment while stirring and mixing, the number of revolutions and the number of revolutions can be set to desired values according to the characteristics of the liquid to be treated, and efficient treatment can be performed.

In the above-described embodiment, the main shaft 26 is supported by the rocking bearing 25, so that even if the main shaft 26 is slightly rocked at the start, if the rotation speed of the main shaft 26 rises to a certain degree, the center is quickly converged. , But
The present invention is not limited to the configuration in which the main shaft 26 is supported by the swing bearing 25.

For example, the second embodiment of the defoaming device 21 shown in FIG.
3 and a flange 53 of the swing shaft 54,
As with the swing bearing 25, the rubber ring plate 55
Oscillating shaft 54 erected in a state of being sandwiched by
A swing frame 57 is attached to the upper end of the frame via a bracket 56, and a motor 31 as a rotary drive source is provided inside the swing frame 57 with the output shaft facing upward, and a motor protruding upward from the swing frame 57. Spindle 2 for 31 output shafts
6, a rotary frame 27 similar to the above embodiment is fixed to the upper end of the main shaft 26, and the main pulley 30 is provided on the main shaft 26 so as to be freely rotatable independently and provided on one side of the swing frame 57. Pulley of main clutch 50 and main pulley 30
, A stepped endless belt 47 is wound between the auxiliary pulley 45 of the auxiliary shaft 29 provided on both sides of the rotary frame 27 and the main pulley 30.
Is spread over. Note that a detent pin 59 is inserted into the rubber ring plate 55 that supports the lower surface of the flange 53 of the swing shaft 54 from the lower surface of the under base plate 52. 60 is prevented from rotating carelessly.

In the defoaming device 21 having such a configuration, since the flange 53 of the swing shaft 54 is sandwiched between the rubber ring plates 55, 55, the swing shaft 54 is When the main shaft 26 and the rotating frame 27 swing when the rotating frame 27 starts to rotate, a member above the swing shaft 54, that is, the swing frame 57, the spindle 26 and the rotating frame 27 swing together. This swinging gradually converges due to the restoring action of the flange 53 and the rubber ring plates 55, 55, and when the rotating frame 27 rotates at a high speed, the swinging shaft 54 stands vertically and the main shaft 26 is raised. It becomes vertical, and the rotating frame 27 rotates in the horizontal direction. In FIG. 5, reference numeral 61 denotes a counter balance weight for balancing the weight with the one-way clutch 50.

The one-way rotation restricting mechanism in the present invention is not limited to the mechanical one-way clutch described above, but may be any one that has a function of restricting rotation in one direction and allowing rotation in another direction. Such a configuration may be used.

[0047]

According to the present invention as described above, the following effects can be obtained. According to the first aspect of the present invention, the one-way rotation restricting mechanism is provided, and when the main shaft and the rotating frame are rotated in one direction, co-rotation with the main shaft of the main pulley is prohibited, and the container mounted on the container holder revolves. When rotating in the other direction and rotating in the other direction, the main pulley is allowed to rotate together with the main shaft, so that the container revolves without rotating, so that the presence or absence of rotation of the container can be determined by switching the rotation direction of the main shaft. . Therefore, it is not necessary to separately provide a motor for rotation and a motor for revolution, and the structure of the defoaming device can be simplified. For this reason, the size and weight of the device can be reduced, and manufacturing and maintenance are facilitated.

According to the second aspect of the present invention, a plurality of sub shafts are arranged at equal intervals in a circumferential direction on a concentric circle centered on the main shaft on the rotating frame, and the container holder is provided on each sub shaft. Can increase the processing amount, and it is not necessary to provide a counterbalance weight. Since the counterbalance weight is not required, it is not necessary to adjust the counterbalance weight every time processing is performed, and the operation can be simplified.

According to the third aspect of the present invention, there is provided a braking mechanism for applying a braking force to the main pulley rotating with the rotation of the main shaft to reduce the rotation of the main pulley, and rotating the main shaft and the rotating frame to rotate the main shaft. The main pulley was rotated at a rotation speed smaller than the number of rotations, and the difference between the rotation speeds of the main shaft and the main pulley caused the sub-pulley to rotate and rotate the container while revolving. Can be controlled.

According to the fourth aspect of the present invention, since the braking force can be adjusted by the variable braking mechanism, the rotation speed of the container is adjusted by adjusting the difference between the rotation speeds of the main shaft and the main pulley by adjusting the braking force. be able to. Therefore, the efficiency can be improved by adjusting the number of rotations according to the characteristics of the liquid to be treated.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an internal structure of a first embodiment of a defoaming apparatus according to the present invention.

FIG. 2 is an enlarged sectional view showing a main part of the defoaming device shown in FIG.

FIG. 3 is a plan view of a rotating frame.

FIG. 4 is a bottom view in which a part of the rotating frame is sectioned;

FIG. 5 is a sectional view showing an internal structure of a second embodiment of the defoaming apparatus according to the present invention.

FIG. 6 is a sectional view showing the internal structure of a conventional defoaming device.

[Explanation of symbols]

21 Defoaming device according to the present invention 22 Housing 23 Processing chamber 24 Base 25 Swing bearing 26 Main shaft 27 Rotating frame 28 Container holder 29 Sub shaft 30 Main pulley 31 Motor as rotation drive source 32 Flange 33 Bearing body 34 Rubber ring plate 35 Pressing member 36 Base 37 Detent pin 39 Motor mounting base 40 Inclined surface 41 Bearing for sub shaft 42 Direction conversion roller 43 Container 44 Claw piece 45 Sub pulley 46 Endless belt connecting main pulley and sub pulley 47 One main pulley Endless belt 49 connected to the directional clutch 49 Pulley 50 One-way clutch 52 Under base 53 Flange 54 Swing shaft 55 Rubber ring plate 56 Bracket 57 Swing frame 59, 60 Detent pin

Claims (4)

[Claims] 1. A rotating frame fixed to an upper part of a longitudinal main shaft connected to a rotary drive source and rotating about the main shaft, and disposed on the rotating frame at a position off the center of rotation about the main shaft. A sub shaft rotatably mounted with the upper part inclined toward the main shaft, a container holder mounted on the sub shaft, and provided coaxially with the main shaft so as to be rotatable independently of the main shaft. The main pulley, the sub pulley fixed to the sub shaft, the endless belt stretched between the sub pulley and the main pulley, the rotation direction of the main pulley is prohibited in one direction, and allowed in the other direction. When the main shaft and the rotating frame are rotated in one direction by the driving of the rotation drive source, co-rotation with the main shaft of the main pulley is prohibited, and the container mounted on the container holder rotates while revolving. And in the other direction A defoaming apparatus characterized in that the container rotates around the main shaft of the main pulley when rotated so that the container does not rotate. 2. The rotating frame according to claim 1, wherein a plurality of sub shafts are arranged at equal intervals in a circumferential direction on a concentric circle centered on the main shaft, and a container holder is provided on each sub shaft. Defoaming equipment. 3. A rotary frame fixed to an upper part of a vertical main shaft connected to a rotary drive source and rotating about the main shaft, and disposed on the rotary frame at a position deviated from a center of rotation about the main shaft. A sub shaft rotatably mounted with the upper part inclined toward the main shaft, a container holder mounted on the sub shaft, and provided coaxially with the main shaft so as to be rotatable independently of the main shaft. The main pulley, the sub pulley fixed to the sub shaft, the endless belt stretched between the sub pulley and the main pulley, and the main pulley rotating with the rotation of the main shaft. And a braking mechanism for reducing the rotation of the pulley, wherein when the main shaft and the rotating frame are rotated by driving the rotary drive source, the main pulley rotates at a rotation speed smaller than the rotation speed of the main shaft, and the rotation speed of the main shaft and the main pulley. Due to the difference Defoaming auxiliary pulley, characterized in that the vessel was rotated was made to rotate while revolving device. 4. The braking mechanism is a variable braking mechanism capable of adjusting a braking force, and the rotation speed of the container can be adjusted by adjusting the difference in rotation speed between the main shaft and the main pulley by adjusting the braking force. 4. The defoaming device according to claim 3, wherein: