KR101893434B1 - Centrifugal barrel polishing machine and polishing method - Google Patents

Centrifugal barrel polishing machine and polishing method Download PDF

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Publication number
KR101893434B1
KR101893434B1 KR1020147017040A KR20147017040A KR101893434B1 KR 101893434 B1 KR101893434 B1 KR 101893434B1 KR 1020147017040 A KR1020147017040 A KR 1020147017040A KR 20147017040 A KR20147017040 A KR 20147017040A KR 101893434 B1 KR101893434 B1 KR 101893434B1
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South Korea
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barrel
polishing
case
workpiece
fixing
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KR1020147017040A
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Korean (ko)
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KR20150005508A (en
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카즈미치 히비노
히사시 마츠모토
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신토고교 가부시키가이샤
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
    • B24B31/02—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels
    • B24B31/033—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels having several rotating or tumbling drums with parallel axes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

SUMMARY OF THE INVENTION The present invention provides a centrifugal barrel polishing machine capable of performing polishing with the same apparatus even when the amount of the workpiece is different. A centrifugal barrel polishing machine comprising a barrel case disposed so as to be rotatable between a pair of revolving discs, wherein the barrel barrel case can be fixed in any volume and number of barrels. A plurality of the barrel jaw cases are arranged at intervals in the circumferential direction of the revolving disc. It is possible to fix a barrel tank having a different volume for each barrel tank case or to change the number of barrel tank bottles to be fixed.

Description

TECHNICAL FIELD [0001] The present invention relates to a centrifugal barrel polishing apparatus and a polishing method,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a centrifugal barrel polishing machine for polishing a workpiece by rotating and revolving a barrel into which a workpiece and a polishing medium are charged, and a polishing method using a centrifugal barrel. Here, the abrasive medium is a polishing medium when it is dry (dry), and further comprises a water and a compound when necessary in the case of a wet (wet) type.

BACKGROUND ART A centrifugal barrel polishing machine is known as a barrel polishing machine for performing burr removal of a work (work), rounding processing, polishing finish polishing, and the like. The centrifugal barrel polishing machine is a machine in which a workpiece and a polishing medium are inserted into a barrel (in the case of wet barrel polishing, water and compound are further inserted), and the barrel is rotated and revolved, And then polish it. The structure of such a centrifugal barrel polishing machine is disclosed, for example, in Japanese Patent Application Laid-Open No. 2003-205449. The centrifugal barrel polishing machine disclosed in this document has a structure in which a polishing tank (barrel tank) is rotatably attached to a revolving disk (turret) rotating in the vertical direction around the revolving shaft at intervals in the circumferential direction .

The amount of the workpiece which can be polished by one operation (polishing cycle) depends on the dimension of the barrel. For example, in the case of machining a large amount of workpiece at a time, it is necessary to perform polishing with a centrifugal barrel polishing machine equipped with a large barrel tank. Further, when the size of the workpiece is small or when a small amount of workpiece is to be machined, it is necessary to perform the polishing process using a centrifugal barrel polishing machine equipped with a small barrel tank.

When it is necessary to carry out the polishing process of a plurality of processes by the same centrifugal barrel polishing machine, it is necessary to stop the operation of the centrifugal barrel polishing machine for each process and to reset the machining conditions. Therefore, It took a considerable amount of time. In order to solve such a problem, it is considered to use a plurality of centrifugal barrel polishing machines in which processing conditions of each process are set. In this case, although the time until completion of the polishing process can be shortened, the introduction cost of the centrifugal barrel polishing machine and the installation space of the centrifugal barrel polishing machine become necessary.

Japanese Patent Application Laid-Open No. 2003-205449

Accordingly, the present invention provides a centrifugal barrel grinding machine and a barrel grinding machine capable of performing grinding by the same centrifugal barrel grinding machine when the amount of the workpiece varies from lot to lot or when a grinding process requiring a plurality of processes is required, And provides a polishing method.

A first aspect of the present invention is a centrifugal barrel polishing machine comprising: a revolving revolving disc; a plurality of barrel jaws rotatably mounted on the revolving disc at intervals in the circumferential direction thereof; A barrel assembly which can be fixed to the barrel case and which is rotatably installed on the revolving barrel through the barrel case; And a fixing member for fixation. According to the centrifugal barrel polishing machine described in the first aspect of the invention, an optimum barrel set can be selected in accordance with the amount and size of the workpiece and the processing purpose. Here, the fact that barrel tanks of different sizes can be fixed to the barrel tanks case means that a barrel tanks having different sizes are fixed to at least one of the plurality of barrel tanks, However, when a barrel set having different sizes is fixed to a plurality of barrel case by a batch according to the quantity and size of the workpiece, or when a barrel set having different sizes is fixed to one barrel case .

A second invention is the centrifugal barrel polishing machine according to the first invention, wherein at least one of the barrel case is characterized by being able to fix two or more barrel tanks. The workpiece can be polished by a single polishing cycle of a centrifugal barrel polishing machine under a plurality of polishing conditions. The size and number of the barrel to be fixed to the barrel case can be appropriately selected as described in the first invention.

A third aspect of the present invention is the centrifugal barrel polishing machine according to the first or second invention, wherein the barrel includes a box body having an open top and a cover for closing an opening of the box body, , The fixing member is a structure in which the cover of the barrel set placed on the barrel case is pressed on the box body to seal the inside space and the barrel is fixed to the barrel case . The barrel assembly covers the cover at the opening of the box body and presses the cover to seal the inside. The fixing member has a function of pressing the cover and a function of fixing the barrel to the barrel case, thereby reducing the burden on the operator. Further, if there are a plurality of barrel ties fixed to the same barrel trough case, a fixing member for pressing the barrel trough at a time may be used.

A fourth aspect of the present invention is the centrifugal barrel polishing machine according to the third invention, wherein the fixing member comprises: a press plate for pressing the cover of the barrel set into a box body of the barrel; and a pressing force adjusting mechanism And a holding member for holding the press plate and the pressing force adjusting port in the barrel case. The cover and the box body can be securely tightly sealed by the pressing force adjusting port so that the contents of the barrel tank do not leak during the polishing process. In addition, since the barrel tanks can be fixed to the barrel case with a stronger force, it is possible to securely perform the polishing process.

A fifth invention is the centrifugal barrel according to the fourth invention, wherein the fixing member is a belt made of an elastic body. The cover can be reliably pressed with a simpler structure and the barrel can be fixed to the barrel case.

According to a sixth aspect of the present invention, there is provided a polishing method using the centrifugal barrel polishing machine according to the first or second invention, wherein the polishing method comprises a step of charging a workpiece, a polishing medium, water, A step of fixing the barrel tank to the barrel case; and a step of polishing the workpiece by rotating the barrel tank while revolving the revolving disc, wherein the workpiece to be charged into the barrel tank, At least one of the water, the compound, and the compound is different in at least one of the barrel group and the other barrel group. It is possible to simultaneously polish a plurality of polishing conditions by adjusting the amounts of the workpiece, the polishing medium, the water, and the compound, as required. For example, a case where a plurality of levels of machining accuracy is required, or a case where polishing is performed using a barrel having different volumes is considered.

A seventh aspect of the present invention is the polishing method using the centrifugal barrel polishing machine according to the first or second invention, wherein the polishing method comprises a step of charging a workpiece, a polishing medium, water, and a compound into the barrel group, A step of fixing the barrel tank to the barrel case; and a step of polishing the workpiece by rotating the barrel tank while revolving the revolving disc, wherein the workpiece to be charged into the barrel tank, , And at least one of the compounds is different in at least one barrel group and in a different barrel group. According to the seventh aspect of the present invention, the polishing process of another polishing process and the polishing process of another process can be performed simultaneously in a wet manner.

An eighth invention is a polishing method using a centrifugal barrel polishing machine according to the first or second invention, wherein the polishing method comprises the steps of charging a workpiece and a polishing medium into the barrel chamber, And a step of polishing the workpiece by rotating the barrel at the same time while revolving the revolving disc, wherein the amount of at least one of a workpiece charged in the barrel and a polishing medium is at least 1 Are distinguished in terms of the number of barrels and other barrels. According to the eighth aspect of the present invention, the amount of the workpiece and the amount of the abrasive media can be adjusted as needed, thereby simultaneously performing polishing processing under a plurality of abrasive conditions. For example, a case where a plurality of levels of machining accuracy are required, or a case where a barrel having a different volume is used for polishing is considered.

According to a ninth aspect of the present invention, there is provided a polishing method using a centrifugal barrel polishing machine according to the first or second aspect, wherein the polishing method comprises the steps of charging a workpiece and a polishing medium into the barrel chamber, And a step of grinding the workpiece by rotating the barrel at the same time while revolving the master disk. At least one of a workpiece and a polishing medium to be charged into the barrel, It is characterized by a different set of barrels and other barrels. According to the eighth aspect of the present invention, it is possible to carry out the polishing process of another polishing process and the polishing process of the other processed product simultaneously in a dry manner.

The present application is based on Japanese Patent Application No. 2012-099701 filed on April 25, 2012, the contents of which are incorporated herein by reference.

Further, the present invention may be more fully understood by the following detailed description. It should be understood, however, that the detailed description and specific examples, while indicating preferred embodiments of the invention, are given by way of illustration only. From the above detailed description, various changes and modifications will be apparent to those skilled in the art.

Applicants do not intend to incorporate any of the described embodiments in the public domain, nor shall they be included in the scope of the claimed invention under the doctrine of equivalents.

In describing the present specification or claims, the use of the noun and the same directives should be construed to include both singular and plural, unless specifically indicated otherwise, or unless the context clearly dictates otherwise. The use of any example or exemplary term (e.g., " etc. ") provided herein is merely intended to facilitate the description of the present invention, and is not intended to limit the scope of the present invention It does not apply.

1 is an explanatory view showing a structure of a centrifugal barrel polishing machine of the present invention. 1 (A) is a front view, and Fig. 1 (B) is a right side view.
Fig. 2 is an explanatory diagram showing a rotation and revolution mechanism (mechanism) of a barrel set in the centrifugal barrel polishing machine of the present invention. Fig. 2 (A) is a front view, and Fig. 2 (B) is an AA arrow in Fig. 2 (A).
3 is a schematic diagram showing the structure of a dog and a proximity switch used for detecting the position of a barrel.
4 is an explanatory view showing the structure of the slide door opening / closing device.
5 is an explanatory diagram for explaining an example of a method of fixing the barrel trough to the barrel case. 5 (A) is a front view and FIG. 5 (B) is a cross-sectional view taken along the line AA in FIG. 5 (A).
6 is an explanatory diagram for explaining an example of a method of fixing the barrel trough to the barrel case. FIG. 6A is a front view, FIG. 6B is a AA arrow in FIG. 6A, and FIG. 6C is a BB line sectional view in FIG. 6A.
7 is an explanatory view for explaining an example of a method of fixing the barrel trough to the barrel case. 7 (A) is a front view and FIG. 7 (B) is a cross-sectional view taken along the line AA in FIG. 7 (A).
8 is an explanatory view showing an example of a barrel tank. Fig. 8A is a perspective view of the front face viewed from obliquely above, Fig. 8B is a schematic view showing a cross section, and Fig. 8C is an explanatory diagram for explaining the operation of the portion A in Fig.
9 is an explanatory diagram for explaining a state in which the barrel trough is fixed to the barrel case.

A centrifugal barrel polishing machine of the present invention will be described with reference to the drawings. Here, Fig. 1 shows a state in which the slide door 30 of the centrifugal barrel polishing machine 1 is opened to show the internal structure.

The present invention is not limited to the following embodiments.

1, the centrifugal barrel polishing machine 1 includes a housing 10 having a slide door 30 in a front face (a front direction in Fig. 1) A plurality of barrel tanks 11, a barrel trough case 12 to which the barrel tanks 11 are fixed respectively, and a turret 14 (a revolving disc) to which the barrel trough case 12 is fixed do. Thus, the barrel tanks 11 are arranged so as to be able to rotate and revolve in the vertical direction in Fig. In this embodiment, four barrels 12a to 12d are used as the barrel case 12, but the present invention is not limited to this, and any number may be used.

As shown in Fig. 5 (B), the barrel assembly 11 is composed of a box body 11x having an opened upper surface and a cover 11y for closing the opening, And is formed in a cylindrical shape capable of loading a polishing medium (including a polishing medium when polishing by dry method, and further containing water and a compound when necessary by wet polishing). In the present embodiment, the inner space has an octagonal shape, but the shape is not particularly limited.

Barrel tanks 11 of an arbitrary size can be fixed to the barrel collars 12a to 12d. One or a plurality (for example, two to eight) of barrel tanks 11 can be fixed to the barrel case portions 12a to 12d. Thereby, it is possible to carry out the following processes (1), (2), (3) and (4) regardless of whether it is wet or dry. Such a processing method is an example, and the present invention is not limited to these.

(1) When the amount of the workpiece is insufficient, such as when the workpiece is for development use, a barrel tank 11 having a size corresponding to the amount of the workpiece is selected, and an optimum amount of polishing media , And in the case of wet, additional water and, if necessary, compounds can be charged into the barrel.

(2) When a rough polishing process, an intermediate polishing process, or a finishing polishing process is required, the polishing medium suitable for each process is charged into each barrel together with the above-mentioned material to be processed, It is possible to carry out another polishing step at the same time.

(3) When a workpiece having different sizes, amounts, and materials is polished, an abrasive medium suitable for grinding the workpiece is charged into each barrel group together with the workpiece, and the centrifugal barrel grinder is operated. The polishing process can be performed simultaneously.

(4) When a plurality of levels of machining accuracy (for example, surface roughness, gloss, etc.) are required, a barrel set having a size suitable for each machining condition is selected, By loading the optimum amount of the polishing medium in accordance with the volume of the volume and the barrel tanks, it is possible to simultaneously perform polishing processing with different machining accuracy.

In the present embodiment, two barrel tanks 11 are fixed to each barrel case 12 (see Fig. 2 (B)). The number of barrels is not limited to this, and can be set arbitrarily according to the amount of the workpiece and the purpose of grinding.

The barrel jaw cases 12a to 12d each have rotation axes 15a to 15d. The pair of turrets 14 are arranged around the revolving shaft 13 fixed horizontally. The barrel collars 12a to 12d are disposed between the pair of turrets 14 so as to be equally spaced in the circumferential direction. At this time, the barrel jaw cases 12a to 12d are supported by the turret 14 by the rotation axes 15a to 15d which are parallel to the revolving shaft 13. Thereby, the barrel collars 12a to 12d and the barrel collars 11 fixed to the barrel collars 12a to 12d are configured to be rotatable relative to the turret 14.

The centrifugal barrel polishing machine 1 is provided with a motor 20 for a polishing machine as a driving mechanism for rotationally driving the turret 14. The abrasive machine motor 20 also has a brake function. The motor 20 for the abrasive machine is connected to an inverter (not shown), and the number of revolutions of the motor 20 for the abrasive machine can be arbitrarily set. It is possible not only to change the revolving speed and rotation speed of the barrel 11 by changing the number of revolutions of the motor 20 for the abrasive machine but also to change the peripheral speed of the turret 14 ) Can be driven by the operator at a low speed of less than a safe speed, for example, 533 mm / s or less. The grinding machine motor 20 and the inverter are capable of rotating the turret 14 even when the weight balance of each of the barrel collars 12a to 12d is collapsed due to detachment and attachment of the barrel 11 So that a large torque can be generated.

A motor pulley 23 is fixed to the rotating shaft of the motor and a ball 24 is placed on the outer periphery of the motor pulley 23 and the turret 14 so that the turret 14 rotates the revolving shaft 13 And is rotatable about the center.

2 (A), the revolving pulleys 25a, 25b of small diameter are arranged in the revolving shaft 13 in a direction away from both turrets 14 (outside of the turret 14) 25b are fixed. Rotating pulleys 26a to 26d having the same diameter as the idle pulleys 25a and 25b are fixed to the rotating shafts 15a to 15d, respectively.

The rotating pulleys 26a and 26b and the idle pulley 25a adjacent to the rotating direction of the turret 14 are provided on the drive side (left side in the drawing) of the turret 14, and the rotating pulleys 26c and 26d, The pulley 25b is provided outside the opposing turret 14 (right side in the drawing). In other words, two adjacent barrel-group rotating pulleys and one idling pulley form a group, and are disposed outside the opposed turrets 14, respectively.

As shown in Fig. 2 (B), between the idle pulleys 25a and 25b and the rotating pulleys 26a to 26d, self-supporting belts 27a and 27b are in contact with the inner peripheral surface so as to come in contact with each other, Is brought into contact with the outer circumferential surface of the self-propelling belt 27a to reduce looseness of the belt. Similarly, a self-propelled belt 27b is stuck on the right idler pulley 25b and the rotating pulleys 26c and 26d.

Rotation of the revolving shaft 13 by the self-supporting belts 27a and 27b causes the rotation of the rotation shafts 15a to 15d when the rotation shafts 15a to 15d are rotated around the revolving shaft 13 by the rotation of the turret 14. [ And the rotation axes 15a to 15d rotate. Since the revolving pulleys 25a and 25b and the revolving pulleys 26a to 26d have the same diameter, the revolving axes 15a to 15d cooperate with the revolution shaft 13, that is, the revolutions of the turret 14, As shown in FIG. Thereby, the revolving shaft 13 can be rotated around the barrel tanks 11a to 11d while maintaining the attitude of the barrel tanks 11a to 11d.

3, a proximal switch 41 (see FIG. 3) provided on the base of the centrifugal barrel polishing machine 1 rotates together with the turret 14 at an outer peripheral edge of the turret 14 close to the barrel collars 12a to 12d, (Dogs 40a to 40d in the present embodiment) that can be detected by the position detecting members 40a to 40d. The dogs 40a to 40d are formed by, for example, plate-shaped metal pieces.

When the dogs 40a to 40d are opposed to the proximity switch 41 and the proximity switch 41 is in the ON state, the position detection signal is transmitted to the control unit 51 (see Fig. 1). Each of the dogs 40a to 40d is provided so as to be positioned at a position where the barrel tanks 11a to 11d can work from the slide door 30 when the proximity switch 41 is in the ON state, have. For example, as shown in Fig. 3, when the dog 40b is opposed to the proximity switch 41, the barrel 11a is disposed on the front face of the slide door 30.

As described above, the dogs 40a to 40d and the proximity switch 41 can detect the position every 1/4 turn (one pitch).

It is also possible to further include a proximity switch for detecting the number of revolutions and a detecting switch for detecting the number of revolutions so as to transmit the revolutionsignal to the control section 51. [ As a result, the number of revolutions of the turret 14 can be grasped more accurately, so that the grinding conditions can be more accurately grasped and controlled.

The dogs for detecting the number of revolutions and the proximity switches may be provided separately from the dogs 40a to 40d and the proximity switches 41 depending on the response speed and the like, and the dogs 40a to 40d and the proximity switches 41 It is also possible to share it with other companies.

As shown in Fig. 4, a slide door opening / closing device 32 is provided adjacent to the slide door 30 for regulating the opening and closing of the slide door 30. The slide door opening and closing device 32 includes a latch fixing part 32a which can be engaged with a hook part 30a formed at an end of the slide door 30 and a hook part And a solenoid lock 32c capable of interlocking the latch lock 32b by a command from the control unit 51. The solenoid lock 32b is provided with a solenoid lock 32c for interlocking the latch lock 32b.

The latching securing portion 32a is pressed in a direction in which the latching portion 32a is engaged with the hook portion 30a (upward in the drawing), and is configured to be movable in the vertical direction. When the slide door 30 is closed, the latch fixing portion 32a is guided by the protrusion of the hook portion 30a and once drawn downward. After the protrusion of the hook portion 30a passes through the latching portion 32a So that the slide door 30 is not opened by hooking and fixing the hook portion 30a. When the latch lock 32b is pulled downward when the opening condition of the slide door 30 described later is satisfied, the latching of the hook portion 30a by the latch fixing portion 32a is released, Can be opened.

Here, the solenoid lock used in this type of interlock conventionally performs a closing operation at the time of energization. In such a configuration, when power is cut off due to abrupt power failure or the like, the turret 14 rotates inertially The slide door 30 can be opened and closed. Thus, in the present embodiment, the solenoid lock 32c is configured to be safer by performing the opening operation in the cylinder.

1, a control device 50 provided with a push-button operation panel and a control button on the rear surface is provided on the front surface of the housing 10. As shown in Fig. The control device 50 is connected to the control section 51 and instructs the control section 51 to control the operation time and the rotation speed of the motor 20 for polishing machine (i.e., the polishing time and the rotation / ) Can be set manually. In addition, the control button causes the motor 20 for a grinding machine and the inverter to interlock with each other to perform pitch transfer, which will be described later.

The control unit 51 performs drive control of the motor 20 for a polishing machine based on the polishing conditions set in the control device 50. [ Here, when the number of rotations is measured by the dog for detecting the number of rotations and the proximity switch, feedback control of the motor 20 for the polisher may be performed on the basis of the number of rotations output from the proximity switch.

The control unit 51 is electrically connected to the slide door opening / closing apparatus 32 and the proximity switch 41. Based on the signals output from these units, the control unit 51 controls the position of the turret 14, (30).

Hereinafter, the polishing processing procedure by the centrifugal barrel polishing machine 1 will be described. In the present embodiment, the case where the following four processes are carried out at the same time in a wet process for polishing the workpieces A and B having different sizes and materials will be described as an example.

Step 1: A step of removing burrs and the like of a workpiece (rough polishing)

Step 2: A step of reducing the irregularities of the workpiece to which Step 1 is completed (intermediate finish polishing)

Step 3: A step of finishing a mirror finished workpiece to which the step 2 has been completed (finish polishing)

Step 4: A step of performing cleaning and anticorrosive treatment of the workpiece having completed Step 3 (cleaning and rust-proofing treatment)

Polishing medium and water for carrying out rough polishing with the workpiece (A) are charged into a box body of the barrel tank 11a 1 . Polishing medium and water are charged into the box body of the barrel tank 11a 2 to perform rough polishing with the workpiece (B). Likewise, the barrels of the barrel tanks 11b 1 and 11b 2 are charged with a workpiece for which the rough polishing (step 1) has been completed and a polishing medium and water for carrying out the intermediate finish polishing (step 2). Likewise, a workpiece having been subjected to the intermediate finish polishing (step 2) and a polishing medium and water for performing finish polishing (step 3) are charged into the box bodies of the barrel tanks 11c 1 and 11c 2 , respectively. Likewise, a workpiece for which finishing polishing (step 3) has been completed and a compound for cleaning and rust-proofing (step 4) are charged into the box bodies of the barrel tanks 11d 1 and 11d 2 . After the workpiece, polishing media, water, and compound are charged into the box body, the cover of the barrel tank is placed on each of them.

The control device 50 is operated to set the above-described polishing conditions (operation time and rotation speed of the polishing machine motor 20).

Subsequently, the pitching operation of the turret 14 is performed by operating the control device 50. When any one of the dogs 40a to 40d is detected by the proximity switch 41 as the turret 14 rotates at low speed by the motor 20 for the abrasive machine, A signal is outputted, and the control section 51 performs control for stopping the motor 20 for the abrasive machine by the brake. Thus, a desired barrel jaw case (e.g., barrel jaw case 12a) is disposed in front of the slide door 30.

Subsequently, the latch lock 32b is operated to release the locking of the hook portion 30a by the latch fixing portion 32a, and the slide door 30 is opened.

The barrel tanks 11a 1 and 11a 2 are placed on the barrel case 12a disposed on the front side of the slide door 30, respectively. Thereafter, the cover of the barrel tanks (11a 1 , 11a 2 ) is pressed against the box body of the barrel tank by the fixing member, thereby bringing the cover and the box body into close contact with each other, ). During by tightly pressing the cover of the barrel tank (11a 1, 11a 2) in the box body of the barrel tank (11a 1, 11a 2), since the internal space is sealed, the polishing, a barrel tank (11a 1, 11a 2) The charge does not leak.

A lining (not shown) made of abrasion resistant rubber is preferably provided on the inner surface of the box body 11x of the barrel tank 11 and the inner surface of the cover 11y to prevent wear on each surface . In order to improve the adhesion between the box body 11x and the cover 11y, it is preferable to provide a seal member (not shown) made of an elastic body on the contact surface between the box body 11x and the cover 11y desirable.

It is also possible to provide the positioning pin 11z (see FIG. 5 (B)) in the barrel trough 11 and the hole for fitting the positioning pin 11z into the barrel trough case 12 desirable. Thereby, when the barrel trough 11 is fixed to the barrel trough case 12, the position of the barrel trough 11 can be prevented from being displaced. There is a fear that a load is applied to the revolving shaft 13 and the rotation shaft 15 to be damaged if the fixing position of the barrel 11 is deflected for each barrel case 12. Therefore, ) Can prevent such breakage. For example, in the case of having a plurality of barrel case 12, the center of gravity of the barrel case 12 positioned at a diagonal angle is set such that the center of the revolving shaft 13 ) And the position of the rotation shaft 15 at which no excessive load is applied can be adjusted by the positioning pin 11z. It is preferable that the hole is formed in advance in consideration of the size and shape of the barrel to be mounted. For example, one to eight barrel tanks 11 can be fixed to the barrel tanks 12 by forming holes corresponding to one to eight barrel tanks 11 in the barrel tanks 12 .

The holding member is, for example, as shown in Fig. 5, protruding from both sides of the cylindrical cam (12x 1) and said cam lever (12x 2) and the cam (12x 1) installed in the (12x 1), its shaft this can take advantage of the eccentric rod (12x) having an eccentric shaft (12x 3) on the central axis and the other of the cam cylinder (12x 1). In each side of the barrel tank case 12, and that the eccentric shaft (12x 3) is being charged holes are formed, the eccentric rod (12x) is held in the bore, the barrel tank case. The eccentric rod (12x), can be rotated around the central axis of the eccentric shaft (12x 3). By then the barrel tank 11, respectively mounted on the barrel tank case 12, the worker is manually operating the lever (12x 2), rotating the eccentric rod (12x), said cam (12x 1) the The cover 11y can be strongly pressed against the box body 11x and can be fixed to the barrel case 12 by abutting against the cover 11y. Further, by installing the shoulder (S) to the cover (11y), it is preferable that the cam (12x 1) structured to abut the shoulder (S).

In addition, as another example of the fixing member, for example, as shown in Fig. 6, a press plate (12y 1) and a pressing force adjusting mechanism (12y 2), and the press plate (12y 1) and the pressing force adjusting mechanism (12y 2 can be used to 12y);) a hatch (昇降具provided with a holding member (12y 3) of the plate-like to keep the barrel tank case 12 a. An example of the elevation 12y will be described with reference to Fig. Ceiling portion of the bottom surface (底面) additional holding member (12y 3) of the inverted U-shaped opening has a groove parallel to the through-wall are formed. The press plate 12y 1 has a U-shape that is smaller than the retaining member 12y 3 with the ceiling portion opened and the wall surface of the press plate is slidably received in the groove of the retaining member 12y 3 . Further, the holding member, and (12y 3), the ceiling portion in the center, a through-female screw portion is provided in, the pressing force adjusting mechanism (12y 2) with a male screw portion is provided is charged. By rotating the pressing force adjusting mechanism 12y 2 , the press plate 12y 1 can be moved up and down. Both ends of the holding member 12y 3 can be loaded on both side surfaces of the barrel jaw case 12 and a cutout for holding the holding member 12y 3 in a detachable manner to the barrel jaw case 12 C) is opened. Was fixed to the barrel tank case to the holding member (12y 3), the pressing force adjusting mechanism (12y 2) to the arrangement, the press plate by the (12y 1) strongly press downward, the box body of the cover (11y) (11x And it can be fixed to the barrel case 12. In order to ensure good contact between the cover 11y and the press plate 12y 1 , a shoulder S is provided on the cover 11y and the press plate 12y 1 is provided on the shoulder S It is preferable to have a structure in which they abut each other. When the barrel tank 11 is taken out of the barrel case 12, the press plate 12y 1 is moved upward and then the elevation opening 12y is moved from the barrel case 12 It can be removed. Thereby, the barrel tank 11 can be easily exchanged.

When the eccentric rod 12x is used, the pressing force of the cover 11y and the force for fixing the barrel 11 to the barrel case 12 are determined depending on the amount of eccentricity. Further, the case of using the press plates (12y), the pressing force adjusting mechanism (12y 1) of the force for fixing the pressing force and the barrel to the barrel tank bath 11 the casing 12 of the cover (11y) in accordance with the stroke (stroke) . Therefore, when there is a possibility that the pressing force and the fixing force are insufficient due to a manufacturing error of the barrel tank 11, an elastic body (for example, urethane, rubber (preferably rubber having wear resistance) , Silicone, etc.) can be used as the fixing belt 12z. The end of the fixing belt 12z is fastened to the fastening fixture F so that the barrel assembly 11 can be fixed to the barrel assembly 11. [ Can be fixed to the barrel case (12). In this embodiment, the fixing belt 12z is used. The structure for fixing the fixing belt 12z to the fixing portion F is such that both side portions of the fixing belt 12z are ring-shaped and the fixing portion F is hooked, It is also possible to adopt a structure in which the ring-shaped member is hung, and another known structure may be used.

In the case where the structure for sealing the space inside the barrel tank 11 is separately provided, the fixing member may only have a function of fixing the barrel tank 11 to the barrel case 12. [ As a structure for pressing the cover 11y against the box body 11x, the cover 11y is pressed on the box body 11x by a clamping mechanism such as a C-type vice The cover 11y may be pressed onto the box body 11x by forming screw holes and through holes in the box body 11x and the cover 11y and tightening the bolts. Alternatively, a cover fixing member 11y 1 as described later may be provided in the barrel 11.

An example of the cover fixing member 11y 1 will be described with reference to Fig. The cover fixing member 11y 1 includes an index plunger 11y 2 for adjusting a pressing force of the cover 11y and a cover 11y 2 for operating the index plunger 11y 2 , have a cover pressing member (11y 3) of cylindrical shape that can be pressed against, and the cover urging member (11y 3) is configured to be rotated by operating an index plunger. The cover fixing member 11y 1 is provided at four portions of the cover 11y and the box body 11x is formed with a hole portion 11x 1 for receiving the cover pressing member 11y 3 . The cover pressing member (11y 3) There may be an inclined groove (11y 4) form, there are also installed a fixing pin (11x 2) wherein the hole portion (11x 1). Moving the said cover pressing member (11y 3) in the hole portion (11x 1) L direction in the one and then, the index plunger (11y 2) 8 (A) is also a charge to, the cover pressing member (11y 3) rotation, and the inclined grooves (11y 4) by a fixing pin (11x 2) is guided to move downward the cover (11y). That is, by pivoting in the direction of the arrow on the left side a view of a cover pressing member (11y 3) is 8 (C) also, the cover (11y) is pressed to the box body (11x), as shown in the figure right-hand side of FIG. 8 (C) . And index plunger (11y 2) has reaches the predetermined position, the cover pressing member by the pin is projecting downward in the index plunger (11y 2) by the cover (11y), the recess (not shown) provided in the (11y 3) And is positioned at a predetermined position. That is, by an index plunger (11y 2), the pressing force of the cover (11y) is adjusted. Conversely, when rotating the index plunger (11y 2) also to the O direction of the 8 (A), since the pressing force of the cover (11y) released, can be peeled off the cover (11y) of the box member (11x).

After the barrel tanks 11a 1 and 11a 2 are fixed to the barrel case, the operation of pitching the turret 14 is carried out by the operation button of the control device 50. Then, Thereby, the pitch feeding is performed so that the other barrel case (for example, the barrel case 12b) is on the front face. After placing a barrel tank casing (12b) at the front of the slide door (30) and to lock the turret 14, in the same way as described above, the barrel tank case (12b), a barrel tank (11b 1, 11b 2) Fixed. Repeating the above operation, the 11c 1, 11c 2 to the barrel tank case (12c), to secure the 11d 1, 11d 2 on the barrel tank case (12d). When all of the barrel tanks 11 are fixed to the barrel case 12, the slide door 30 is closed and then locked with the latch lock.

Next, by operating the control device 50, the polisher motor 20 is rotationally driven based on the command of the control section 51, and the turret 14 is rotated to rotate the workpiece And polishing is performed.

When the grinding process is completed, the supply of electric power to the grinder motor 20 is stopped, and the turret 14 rotates inertia. Since the inertia rotation continues for about 20 seconds, the controller 51 releases the solenoid lock 32c from interlocking the latch lock 32b until the rotation speed of the turret 14 becomes a safe rotation speed .

Next, after confirming that the turret 14 is stopped, or has reached a predetermined number of revolutions or less, by operating the control device 50 and performing the pitch transfer operation of the turret 14 as described above, (For example, a barrel case 12a) is disposed on the front surface of the slide door 30. [ Whether or not the turret 14 is at or below the predetermined number of revolutions can be judged based on whether the number of revolutions of the rotation accepting proximity switch or the output of the position detecting signal of the position detecting proximity switch 41 is within a predetermined time.

Subsequently, the latch lock 32b is operated to release the locking of the hook portion 30a by the latch fixing portion 32a, and the slide door 30 is opened to take out the barrels 11a 1 and 11a 2 (Withdrawal) and exchange.

After the removal and replacement of all of the barrel tanks 11 is carried out by the operation as described above, the barrel polishing machine 1 is operated in the same manner to perform polishing again.

The workpiece is recovered from all the barrel tanks 11 taken out and the workpieces of the barrels 11a 1 to 11b 3 are charged into the barrel tanks of the next process. The work pieces of the barrel sets 11a 1 and 11b 1 are attached to the barrel sets 11a 2 and 11b 2 and the materials of the barrel sets 11a 2 and 11b 2 are supplied to the barrel sets 11a 3 and 11b 3 , (11a 3 , 11b 3 ) are charged into the barrels (11a 4 , 11b 4 ), respectively. The workpiece of the barrel tanks 11a 4 and 11b 4 is recovered as a finished product through a drying process. By performing the process of collecting and exchanging the workpiece during the operation of the barrel polishing machine 1, it is possible to obtain the finished product continuously.

(Change example)

In the present embodiment, a case has been described in which a plurality of kinds of workpieces and a plurality of polishing steps are simultaneously performed in a wet manner, but the present invention is not limited to this. For example, it may be dry-polished, and wet and dry may be performed at the same time.

When the amount of the workpiece is small (for example, when the workpiece is a sample for research and development, the amount is insufficient), the barrel polishing machine of the present invention can appropriately perform polishing. For example, when there is no amount of the workpiece to be charged into a normal barrel tank, a barrel tank 11 having a volume corresponding to the amount of the workpiece is fixed to the barrel tank case 12a, 12b to 12d are fixed to an empty barrel tank 11, the barrel polishing machine can be operated. As a result, a small amount of the workpiece can be polished.

In addition, in the case of polishing a workpiece having a different material or shape, polishing processing can be performed simultaneously by loading a workpiece of a different kind into each barrel tank 11. [ In addition, the amount and material of the abrasive medium can be appropriately selected in accordance with the material and the shape of the workpiece. In the case of wet polishing, the amount of water and the amount and kind of the compound to be added as required can be appropriately selected.

It is also possible to appropriately select the amount and material of the polishing medium for each port in accordance with the polishing purpose (for example, when obtaining a workpiece having different surface roughness) in order to obtain a workpiece in another polishing state So that it is possible to carry out various kinds of polishing processes at the same time. In the case of wet polishing, the amount of water and the amount and kind of the compound to be added as required can be appropriately selected.

The effects of (1) to (10) can be obtained depending on the kind of the compound by charging the compound in the case of wet polishing. Depending on the purpose, the type and amount of the compound can be selected appropriately.

(1) Improvement of polishing force

(2) cleaning of abrasive media and continuation of abrasive force (preventing clogging-up of abrasive media)

(3) Cleaning of the workpiece

(4) Improvement of gloss of workpiece

(5) Removal of the scale of the workpiece

(6) Removal of oils and fats in workpieces

(7) To impart a rustproofing effect to the workpiece or to prevent discoloration of the workpiece

(8) Prevent the formation of striking marks on the surface of the workpiece

(9) Water softening (softening)

(10) When the workpiece is a hard material, suppression of chipping

The number of the barrel tanks 11 to be fixed to the barrel tanks 12a to 12d is not limited to the number of the barrel tanks 11 to be fixed to the barrel tanks 12a to 12d, It can be selected appropriately according to quantity and processing purpose. 9A to 9H show a configuration in which one to eight barrel tanks 11 are fixed to one barrel tier case 12, but depending on the size of the barrel tier case 12, Can increase. 9 (A), (I), and (J), the barrel tanks 11 of different sizes may be fixed, and one barrel trough case 12, When a plurality of barrel tanks 11 are fixed to the barrel tanks 11, the barrel tanks 11 having different sizes may be fixed.

The volume of the barrel 11 fixed to the barrel case 12 can be appropriately selected in accordance with the amount of the workpiece and the processing purpose.

The number and the volume of the barrel tanks 11 fixed to the barrel tanks 12 may be different for each barrel tanks 12. In this case, the gravitational difference between the barrel jaw cases (in the case of the present embodiment, the barrel jaw cases 12a and 12c, 12b and 12d) on the opposite sides is too large to affect the rotation of the turret, When the load is excessively large, it is desirable to select the number and the volume of the barrel tank 11 within such a range that the influence is not exerted.

The structure for fixing the barrel set 11 to the barrel case 12 by the fixing belt 12z is not limited to the structure described in the embodiment. For example, a turnbuckle may be provided at both ends of the fixing belt, the hook fixing portion F may be hooked, and the ring-shaped member may be hooked to the hook fixing portion. Since the tension of the fixing belt 12z can be adjusted by the turn buckle, strong pressing force and fixing force can be obtained. Alternatively, both end portions of the fastening fixing portion F and the fixing belt 12z may be hook and loop fasteners (for example, the hook fixing portion F may be a hook, both ends of the fixing belt may be looped , And the end of the fixing belt 12z may be fixed to the fixing portion F by the hook and loop type fastener.

The fixing belt 12z is not provided with the engagement fixing portion F in the barrel case 12 when the barrel assembly 12 is fixed to the barrel assembly 12 by the fixing belt 12z, The tank 11 may be fixed. For example, a hook and a loop of a hook-and-loop type fastener are provided on the hook fixing belt 12z so that it can be fixed to the barrel case 12 only with the fixing belt 12z. Alternatively, one end of the fixing belt 12z may be formed in a circular ring shape, a turnbuckle may be provided at the other end, and both ends of the fixing belt 12z may be connected through the turnbuckle and the tension of the fixing belt 12z may be adjusted The barrel tanks 11 may be fixed to the barrel case 12. In this case,

The shape of the stationary belt 12z is not limited to a plate shape and may have a round cross section or a circular ring cross section. The width of the fixing belt 12z can be arbitrarily selected. For example, a plurality of narrow fixing belts 12z may be used. Even if a plurality of barrels 11 are fixed with the same fixing belt 12z by using a wide fixing belt 12z, Do.

Hereinafter, the main symbols used in the present specification and drawings are collectively shown.

One; Centrifugal Barrel Grinder
11; Barrel
11x; Box body
11x 1; Hole portion
11x 2 ; Fixing pin
11y; cover
11y 1 ; The cover fixing member
11y 2 ; Index plunger
11y 3 ; Cover pressing member
11y 4 ; Oblique groove
11z; Positioning pin
12; Barrel case
12x; Eccentric rod
12x 1; cam
12x 2; lever
12x 3; Eccentric shaft
12y; The elevator
12y 1 ; Press plate
12y 2 ; A pressing force adjusting mechanism
12y 3 ; Retaining member
12z; Fixing belt
13; Rotation axis
14; Turret (original disk)
15; Revolution axis
20; Motor for grinding machine
23; Motor pulley
24; Ball Belt for Ball
25; Idle pulley
26; Rotating pulley
27; Self-belts
28; Loosening prevention pulley
30; Slide door
30a; Hook portion
32; Slide door switchgear
32a; [0034]
32b; Latch lock
32c; Solenoid lock
40a to 40d; Dog
41; Proximity switch
50; Control device
51; The control unit
C; Cut
F; [0034]
S; Shoulder

Claims (11)

A plurality of barrel case rotatably provided on the revolving disc at intervals in the circumferential direction thereof and a barrel assembly detachably fixed to the barrel case,
A barrel which is capable of fixing a barrel tank of a different size to the barrel case and is rotatably installed on the revolving barrel through the barrel tank case,
And a fixing member for fixing the barrel tank to the barrel case,
Characterized in that at least one of the barrel case is capable of fixing two or more barrel tanks
Centrifugal Barrel Grinder. The method according to claim 1,
Wherein the barrel assembly has a positioning pin which is fitted into a hole of the barrel case,
Centrifugal Barrel Grinder. 3. The method according to claim 1 or 2,
The barrel assembly includes a box body with an upper opening and a cover for closing an opening of the box body,
Wherein the fixing member presses the cover of the barrel set placed on the barrel case to seal the inside space and fixes the barrel to the barrel case. doing
Centrifugal Barrel Grinder. The method of claim 3,
Wherein the fixing member includes: a press plate for pressing the cover of the barrel set to a box body of the barrel; a pressing force adjusting opening for adjusting the pressing force of the press plate; and a pressing force adjusting opening Wherein the holding member is a lifting member having a holding member
Centrifugal Barrel Grinder. The method of claim 3,
The fixing member includes a cylindrical eccentric rod rotatably held in the barrel case and a cylindrical cam whose eccentric axis is eccentric from the eccentric rod, and the center of the eccentric rod is rotated about the axis Wherein the cam presses the cover of the barrel tank to the box body
Centrifugal Barrel Grinder. The method of claim 3,
Wherein the fixing member is a fixed belt made of an elastic body. A polishing method using the centrifugal barrel polishing machine according to claim 1 or 2,
The polishing method comprises the steps of charging a workpiece, a polishing medium, water, and a compound into the barrel tank,
Fixing the barrel tank to the barrel case;
And a step of revolving the revolving disc and rotating the barrel to polish the workpiece,
Wherein the amount of at least one of a workpiece, a polishing medium, water, and a compound to be charged into the barrel is different in at least one barrel group from the other barrel group. A polishing method using the centrifugal barrel polishing machine according to claim 1 or 2,
The polishing method includes the steps of charging a workpiece, a polishing medium, water, and a compound into the barrel,
Fixing the barrel tank to the barrel case;
And a step of revolving the revolving disc and rotating the barrel to polish the workpiece,
Wherein at least one of a workpiece, a polishing medium, and a compound to be charged into the barrel is different from at least one barrel in the barrel. A polishing method using the centrifugal barrel polishing machine according to claim 1 or 2,
The polishing method includes the steps of charging a workpiece and a polishing medium into the barrel,
Fixing the barrel tank to the barrel case;
And a step of revolving the revolving disc and rotating the barrel to polish the workpiece,
Wherein the amount of at least one of a workpiece and a polishing medium loaded in the barrel is different in at least one barrel and in a different barrel. A polishing method using the centrifugal barrel polishing machine according to claim 1 or 2,
The polishing method includes the steps of charging a workpiece and a polishing medium into the barrel,
Fixing the barrel tank to the barrel case;
And a step of revolving the revolving disc and rotating the barrel to polish the workpiece,
Wherein at least one of a workpiece and a polishing medium charged in the barrel is different from at least one barrel in the other barrel. delete
KR1020147017040A 2012-04-25 2012-05-28 Centrifugal barrel polishing machine and polishing method KR101893434B1 (en)

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JPJP-P-2012-099701 2012-04-25
JP2012099701 2012-04-25
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KR (1) KR101893434B1 (en)
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JPWO2013161093A1 (en) 2015-12-21
JP5949907B2 (en) 2016-07-13
CN104039505A (en) 2014-09-10
WO2013161093A1 (en) 2013-10-31
TW201343322A (en) 2013-11-01
KR20150005508A (en) 2015-01-14

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