JP2018196924A - Processing device and processing method using the same - Google Patents

Abstract

To provide a processing device capable of processing a plurality of workpieces by one device and capable of shortening a cycle time without requiring a complicated constitution.SOLUTION: In a state in which each of workpieces W transferred from the holding part 52 is processed in a first processing part 41 and a second processing part 45, the workpiece W held in the holding part 52 in a second direction is carried away by a carrying in/out mechanism 7 and an unprocessed workpiece W is carried in, then an index lathe 5 is made to circle half round, and the workpiece W held in the holding part 52 in the second direction is carried away by the carrying in/out mechanism 7 and the unprocessed workpiece W is carried in.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a processing apparatus including an indexing board that holds and rotates a workpiece, and a processing unit that processes the workpiece, and a processing method using the processing device.

  Conventionally, as a processing device equipped with a processing unit for processing a workpiece and an indexing plate for conveying the workpiece to the processing unit, the indexing plate is intermittently rotated to a predetermined position, the workpiece is processed at the processing unit, There are known ones in which an indexing board is intermittently rotated to carry out a processed workpiece.

  For example, three rotary tables (work holding parts) are provided at intervals of 120 ° on a support base (indexing board) as an example of a work in which three holding parts are provided at equal intervals on an indexing board. Have been disclosed. The work is held on the rotary table, the support base is intermittently rotated, and the work is sequentially fed to the work supply / removal station, the work first polishing station, and the work second polishing station. In the first and second polishing stations, the polishing member is pressed against the workpiece from above on the rotary table for polishing (Patent Document 1).

  In addition, as an example of conveying and processing four work holding portions at equal intervals on an indexing board, a substrate (workpiece) loading / unloading stage (carrying in / out position), a rough grinding stage, a medium finish grinding stage, A precision grinding stage is placed concentrically with the index rotary table (indexing board), the index rotary table holding the substrate is intermittently rotated, and the substrate is fed to each stage and processed on the index rotary table. (Patent Document 2).

  As described above, according to Patent Documents 1 and 2, since a workpiece can be loaded and unloaded and processed by a single machining apparatus, the machining cycle time (work loading / unloading) can be compared to the case where a plurality of machines are used. , Time to processing and unloading) can be shortened.

Japanese Patent Laid-Open No. 10-146747 JP 2007-044786 A

  Incidentally, in recent years, it has been demanded to further shorten the processing cycle time. On the other hand, there is a demand to avoid an increase in size and complexity of the processing apparatus.

  In Patent Documents 1 and 2 described above, since processing is performed on the indexing machine at each station such as polishing and grinding, the indexing machine is positioned and fixed at a predetermined position during the work processing, and the work is performed during the work processing. The take-out board cannot be rotated. In this case, depending on the difference in processing time between the stations, there is a possibility that the waiting time may be increased depending on the station, and there is a limit to shortening the cycle time.

  The present invention has been made in view of such a point, and the object of the present invention is to be able to perform a plurality of processes and the like, and to shorten the cycle time without requiring a complicated configuration. It is to provide a processing apparatus.

  In order to achieve the above object, according to the present invention, the workpiece is transferred to the processing portion instead of being placed on the indexing plate and processed so that the indexing plate can be rotated during the processing of the workpiece.

  Specifically, the first invention presupposes a processing apparatus including an indexing board that holds and rotates a workpiece and a processing section that processes the workpiece. The processing unit includes a first processing unit and a second processing unit arranged side by side with the indexing plate in between, and the indexing plate includes the first processing unit and the second processing unit. The holding device is provided with four holding portions at equal intervals in the circumferential direction in a first direction parallel to the arrangement direction of the first and second directions intersecting at right angles to the first direction. Is a transfer mechanism for transferring the work held by each of the two holding parts in the first direction to the first processing part and the second processing part, and one of the works in the second direction. A loading / unloading mechanism for loading / unloading the workpiece held by the holding unit to / from the holding unit, and each of the workpieces transferred from the holding unit by the transfer mechanism is the first machining. In the state of being processed by the part and the second processing part, After unloading the workpiece held in one of the holding portions in the second direction and loading the unprocessed workpiece, the indexing board is half-turned and the second loading / unloading mechanism causes the second The workpiece held by the other holding portion in the direction is unloaded and the unprocessed workpiece is loaded.

  In the first aspect of the invention, since the workpiece is transferred from the holding portion to the machining portion and processed, the two processed workpieces held at opposite positions by rotating the indexing plate while machining the two workpieces. It is possible to carry out workpieces and carry in two unmachined workpieces. In the present invention, “transfer to the first processing unit and the second processing unit” by the transfer mechanism means “transfer to a position processed by the first processing unit and the second processing unit”. It shall be said.

  In a second invention, in the first invention, a first work table that supports the workpiece to be processed by the first processing unit and is movable between the first processing unit and the indexing board, A second work table that supports the work to be processed by the second processing unit and is movable between the second processing unit and the indexing board; and the first work table and the first work table The two work tables also serve as the transfer mechanism.

  In the second invention, the first work table and the second work table can move so as to transfer the work from the holding unit to the first processing unit and the second processing unit, respectively, and the first processing unit And the workpiece | work of the state processed by this 2nd process part can be supported. In the present invention, “movable between the first processing section and the indexing board” and “movable between the second processing section and the indexing board” respectively mean “first It can be said that “movable between the position processed by the processing unit and the indexing board” and “movable between the position processed by the second processing unit and the indexing board”.

  According to a third invention, in the first or second invention, each of the holding portions includes a notch that is formed from an outer periphery of the indexing board toward the rotation center axis and holds the workpiece in a detachable manner. The transfer mechanism slides the work held in the notch from the inner peripheral side to the outer peripheral side of the indexing board, and moves the work from the holding part to the first processing part and the second processing part. It is supposed to be transferred to the department.

  In the third aspect of the invention, since the workpiece held in the notch is slid from the inner peripheral side to the outer peripheral side of the indexing board and transferred from the holding unit to the processing unit by the transfer mechanism, the linear movement The workpiece can be removed from the holding part.

  According to a fourth aspect of the present invention, in the processing method using the processing apparatus for processing a workpiece using any one of the first to third aspects of the invention, two of the above-mentioned processed in the holding portion in the first direction. A first step of rotating the indexing board by 90 ° with each of the workpieces held and holding the two unmachined workpieces in the holding section in the second direction; and the first step Subsequently, a second step of performing processing by transferring the two unprocessed workpieces held by the holding unit in the first direction to the first processing unit and the second processing unit, respectively. While the workpiece is being processed in the second step, the processed workpiece held by one of the holding portions in the second direction is unloaded and the unprocessed workpiece is transferred in the third direction. Step and the second step While the workpiece is being machined, following the third step, the indexing disk is rotated 180 °, and the machined workpiece held by the other holding portion in the second direction is rotated. After the workpiece is unloaded and the unprocessed workpiece is loaded, and after the fourth step, the machining of the two workpieces that were being machined in the second step is completed. And a fifth step of transferring the workpiece to the holding portion in the first direction.

  In this 4th invention, while the workpiece | work is processed by the 1st process part and the 2nd process part, while carrying out the processed workpiece hold | maintained at one holding part in the 2nd direction from an indexing board After loading the unprocessed workpiece, the indexing board is rotated half a turn to reverse the positions of the two holding portions facing each other in the second direction, and the processed workpiece held by the other holding portion is Similarly, since the unloaded workpiece can be loaded while being unloaded by the loading / unloading mechanism, two workpieces are unloaded and two unmachined workpieces are loaded while two workpieces are being processed in parallel. be able to.

  In a fifth invention, in the fourth invention, after the fifth step, the process returns to the first step and the steps from the first step to the fifth step are repeated.

  In the fifth aspect, the first step to the fifth step are repeated, so that the processed workpiece is unloaded and the unprocessed workpiece is loaded and processed sequentially.

  As described above, according to the first invention, the cycle time required to carry in, process and carry out one workpiece can be shortened.

  According to the second invention, it is not necessary to separately provide a transfer mechanism, and the entire processing apparatus can be reduced in size.

  According to the third invention, since the transfer mechanism does not require complicated movement, the workpiece can be moved in a short time.

  According to the fourth invention, the cycle time required to carry in, process and carry out one workpiece can be shortened.

  According to the fifth invention, the workpiece can be processed with high production efficiency by repeating the loading and unloading.

FIG. 1 is a schematic perspective view of a processing apparatus according to Embodiment 1 of the present invention. FIG. 2 is a schematic perspective view showing a part of the processing apparatus according to the first embodiment of the present invention. FIG. 3 is a schematic diagram for explaining a working state in the indexing board and the machining unit of the machining apparatus according to Embodiment 1 of the present invention. FIG. 4 is a flowchart showing a machining process by the machining apparatus according to Embodiment 1 of the present invention. FIG. 5 is a view corresponding to FIG. 1 according to the second embodiment of the present invention.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. The following description of the preferred embodiments is merely exemplary in nature and is in no way intended to limit the invention, its application, or its application.

(Embodiment 1)
As shown in FIGS. 1 and 2, the processing apparatus 1 includes a rectangular parallelepiped bed 2 and a rectangular parallelepiped column 3 standing on the rear side of the bed 2. It is configured to have an L shape. In addition, the processing apparatus 1 is provided in the column 3, a processing unit 4 that processes the workpiece W, and a disc-shaped indexing disc that is provided adjacent to the processing unit 4 and that rotates while holding the workpiece W. 5 is further provided.

  The column 3 includes a first column 31 and a second column 35 arranged side by side in the left-right direction. The processing unit 4 includes a first processing unit 41 attached to the first column 31 and a second processing unit 45 attached to the second column 35. The indexing board 5 is provided at an intermediate portion in the width direction of the processing apparatus 1 (in the direction of arrow X in FIG. 1) between the first processing unit 41 and the second processing unit 45.

  In the following, the front side of the column 3 is referred to as the front side of the processing apparatus 1, the back side is referred to as the rear side, the upper and lower sides are referred to as the upper side and the lower side, and the right side with the processing apparatus 1 facing the front side (in FIG. The left side on the paper surface and the left side (the right side on the paper surface in FIG. 1) are referred to as the right side and the left side, respectively. The left-right direction is referred to as a first direction X, the front-rear direction is referred to as a second direction Y, and the up-down direction is referred to as a third direction Z.

  The indexing board 5 includes four holding portions 52 that hold the workpiece W so as to be detachable at an equal distance from the rotation center shaft 51 and at equal intervals in the circumferential direction. Each holding part 52 is in a first direction X parallel to the arrangement direction of the first processing part 41 and the second processing part 45 by intermittent rotation of the indexing board 5 around the rotation center axis 51 extending in a substantially vertical direction. The second direction Y and the second direction Y intersecting the first direction X at right angles to each other.

  In the processing apparatus 1, the two workpieces W held by the holding unit 52 positioned in the first direction X are detached from the holding unit 52 and transferred to the first processing unit 41 and the second processing unit 45. The transfer mechanism 6 that moves the workpiece W in such a manner as described above, and the loading / unloading mechanism 7 that loads and unloads one of the two workpieces W held by the holding portion 52 positioned in the second direction Y with respect to the holding portion 52. With. The carry-in / out mechanism 7 may be a commonly used carry-in / out mechanism such as a robot hand, and is not shown in FIGS. 1 and 2 and is schematically shown in FIG. .

  Next, the detailed structure of the processing apparatus 1 is demonstrated based on FIG.1 and FIG.2.

  The indexing disk 5 has a rotation center shaft 51 supported by a rotation support base 21 protruding at the center on the upper surface side of the bed 2 and can rotate about the rotation center axis 51 in a substantially horizontal direction.

  A first work table 22 is provided on the upper surface of the bed 2 on the left side of the rotation support table 21 and on the front side of the first column 31. The first work base 22 has a rectangular first work slide guide 23 attached to the bed 2 and a U-shaped cross section, and is provided on the first work slide guide 23 so as to be slidable in the first direction X. A first work table 24 on which the work W to be mounted is placed, and a cylindrical first main shaft 25 that is rotatably installed on the first work table 24 and supports the work W to be processed. The workpiece W is supported by, for example, a magnet with respect to the first main shaft 25 via the jig 10. A second work table 26, a second work slide guide 27, a second work table 28 as a transfer mechanism 6, and a second main shaft 29 are provided on the right side of the rotation support table 21 symmetrically with the left side. The first work table 24 and the second work table 28 are slid in the first direction X by a drive mechanism (not shown) made of, for example, an electric motor.

  Although details will be described later, the first work table 24 and the second work table 28 slide in the first direction X, respectively, and the work W is transferred to the holding unit 52, the first processing unit 41, and the second processing unit 45. It becomes the structure which serves as the transfer mechanism 6 to do. With this configuration, it is not necessary to separately provide a transfer mechanism, and the entire processing apparatus 1 can be accommodated in a compact manner.

  A first tool table 33 is provided in front of the first column 31, and a first tool slide guide 32 that guides the first tool table 33 in the third direction Z (vertical direction) includes the first column 31 and the first tool. It is provided between the table 33. A first tool box 34 is attached to the front surface of the first tool table 33. A first processing portion 41 that processes the workpiece W is attached to the first tool box 34. The first tool box 34 and the first processing section 41 are guided by the first tool slide guide 32, slide in the third direction Z together with the first tool table 33, and are workpieces to be processed positioned below. Processing is performed close to or away from W.

  In the present embodiment, the first processing unit 41 and the second processing unit 45 perform the same processing on the same part of the same type of workpiece W, and the description of the first processing unit 41 will be given below. To simplify the description of the second processing unit 45.

  Specifically, the first processing unit 41 includes a first tool rotating body 42 attached to the first tool box 34 and a lower portion of the first tool rotating body 42 that can rotate about an axis extending in the third direction Z. And a first grindstone 44 fixed to the lower end of the first spindle 43. A motor (not shown) for rotating the first spindle 43 is provided inside the first tool rotating body 42.

  For example, when grinding the inner surface of the workpiece W, the first tool table 33 is moved down in the third direction Z using the first tool slide guide 32 as a guide, so that the first processing unit 41 approaches the workpiece W. . Then, the first grindstone 44 is inserted into the cylinder of the workpiece W, and the first grindstone 44 rotates together with the first spindle 43 while being in contact with the inner surface of the workpiece W, and the workpiece W on the first workpiece table 24. Is rotated together with the first main spindle 25 so that the inner surface of the workpiece W is ground. Similarly to the first column 31, the second column 35 includes a second tool slide guide 36, a second tool table 37, and a first tool box 38, and a second processing unit 45 is attached to the first tool box 38. . The second processing unit 45 is provided with a second tool rotating body 46, a second spindle 47, and a second grindstone 48.

  The four holding portions 52 provided in the indexing board 5 have the same shape, and a notch 53 is formed in a substantially U shape from the outer periphery of the indexing board 5 toward the rotation center shaft 51. The notch 53 has a shape in which the first main shaft 25 of the first work table 24 and the second main shaft 29 of the second work table 28 can go in and out in the first direction X from the radially outer side of the index board 5. .

  The jig 10 is used to support the workpiece W on the indexing board 5 or the first main shaft 25 and the second main shaft 29 and is generally used, and detailed description thereof is omitted. .

  FIG. 2 shows the first machining section 41 and the second machining table shown in FIG. 1 so that the first work table 24 and the second work table 28 approach the rotation center axis 51 of the indexing board 5, that is, the center in the left-right direction. The state where it slides in the 1st direction X from the position below the part 45 to the position which penetrates into the downward direction of the index board 5 is shown.

  As shown in FIG. 2, when the workpiece W is transferred from the holding unit 52 to the processing unit 4, the first work table 24 is slid in the first direction X so as to approach the rotation center axis 51 of the index board 5. Thus, the right half of the first work table 24 (transfer mechanism 6) enters below the index board 5, the first main shaft 25 is loosely fitted into the notch 53, and the upper surface of the first main shaft 25 is the jig 10 The state is opposite to the lower surface. Then, the first spindle 25 supports the jig 10 so that the jig 10 can be moved from the holding portion 52. Thereafter, the first work table 24 is slid in the first direction X so as to be separated from the rotation center axis 51 of the indexing board 5. By this operation, the first main shaft 25 comes out radially outward from the notch 53, and the jig 10 and the workpiece W are separated from the index board 5. Further, the first work table 24 is slid to move the work W to a position where it can be processed by the first processing unit 41.

  The second work table 28 that moves to a position that can be machined by the second machining unit 45 moves in the opposite direction in synchronization with the first work table 24 of the first machining unit 41, and is a symmetrical movement. Therefore, explanation is omitted. The first main shaft 25 and the second main shaft 29 only need to enter below the workpiece W held by the holding portion 52, and are brought into contact with the notch 53 instead of loosely fitting. Also good.

  In addition, as shown in FIG. 1, the “position that can be machined by the first machining unit 41” means that the first spindle 25 on the first work table 24 is on the front side of the first machining unit 41, and the first spindle 25 A position where the supported workpiece W is below the first processing portion 41 is referred to. Similarly, the “position at which the second processing unit 45 can process” refers to a position where the workpiece W is below the second processing unit 45.

  By providing a notch 53 in the holding part 52 and sliding the first work table 24 and the second work table 28 in the first direction X between the indexing board 5 and the processing part 4, the work W Even if it is not lifted upward, it can be transferred to the holding portion 52 and the processing portion 4 by a linear movement in the left-right direction, so that it can be transferred in a short time with a simple configuration.

  As schematically shown in FIG. 3, the carry-in / out mechanism 7 is located at the front portion of the processing apparatus 1 at one of the holding portions 52 positioned in the second direction Y at the radially outer position of the indexing plate 5. It is attached to the bed 2 adjacent to the holding part 52. The carry-in / out mechanism 7 has, for example, a robot hand or the like, and carries out the processed workpiece W held by the adjacent second direction Y holding unit 52 from the holding unit 52 or holds it in the second direction Y. It is arranged so that an unprocessed workpiece W can be carried into the part 52.

  The processing apparatus 1 further includes a rotation mechanism (not shown) that rotates the index board 5 in the clockwise direction. As shown in FIG. 1, the control unit 9 that controls the rotation mechanism includes a first rotation control unit 9a that controls the indexing plate 5 to rotate by 90 ° clockwise, and the indexing plate 5 includes a clock. And a second rotation control unit 9b that controls to rotate 180 degrees in the rotation direction.

  In addition, in order to distinguish and explain the four holding parts 52, in FIG. 3, in the state of 1st step S1 mentioned later, the holding part 52 in the position adjacent to the 1st process part 41 is 1st holding part 52a, The holding part 52 at a position adjacent to the second processing part 45 facing in the first direction X is defined as a second holding part 52b. Further, the holding portion 52 that is relatively away from the carry-in / out mechanism 7 in the second direction Y is the third holding portion 52c, and the holding portion 52 that is adjacent to the carry-in / out mechanism 7 is the fourth holding portion 52d. And That is, description will be made sequentially as 52a, 52d, 52b, 52c in the clockwise direction. In order to distinguish and describe the workpiece W, in FIGS. 3 and 4, in the first step S1, the workpieces W held by the four holding portions 52a, 52d, 52b, and 52c are respectively workpieces W1, W4, and W2. , W3.

  Although a detailed method will be described later, the workpieces W3 and W4 held by the third holding unit 52c and the fourth holding unit 52d in the first direction X are respectively transferred by the transfer mechanism 6 to the first processing unit 41 and the second processing unit 41. The workpiece W1 held by the first holding portion 52a, which is one holding portion 52 in the second direction Y, is transferred by the loading / unloading mechanism 7 while being transferred to the processing portion 45 and processed (S2 in FIG. 3). The unprocessed workpiece W5 is carried into the first holding portion 52a after unloading (S3 in FIG. 3). Then, the indexing board 5 is rotated halfway, and the work W2 held by the second holding part 52b, which is the other holding part 52 in the second direction Y, is carried out by the carry-in / out mechanism 7, and the second holding part 52b. An unprocessed workpiece W6 is carried into the container (S4 in FIG. 3). As a result, four workpieces W can be loaded and unloaded while simultaneously processing the two workpieces W, and the loading / unloading time required for one workpiece W can be shortened. Therefore, machining of one workpiece W (unloading, machining and unloading) Cycle time can be shortened.

  Next, the process of this embodiment is demonstrated based on FIG.3 and FIG.4.

  First, as the first step S1, two workpieces W1 and W2 that have been processed by the first processing unit 41 and the second processing unit 45, respectively, in the first holding unit 52a and the second holding unit 52b in the first direction X, respectively. Hold. At the same time, in the second direction Y, the third holding part 52c and the fourth holding part 52d hold the two unprocessed workpieces W3 and W4, respectively, and the indexing board 5 is rotated with its rotation center axis 51. At the center, the first rotation control unit 9a rotates 90 degrees clockwise.

  By this rotation, the third holding portion 52c and the fourth holding portion 52d are positioned in the first direction X, and the first holding portion 52a and the second holding portion 52b are positioned in the second direction Y.

  Next, as the second step S2, the first work table 24 (transfer mechanism 6) is moved in the first direction X so as to approach the rotation center shaft 51 of the indexing board 5, and the first main shaft 25 is held third. The workpiece 52 is held below the workpiece W3 held by the portion 52c (FIG. 2). Then, the work W3 is supported by the first main spindle 25, the first work table 24 (transfer mechanism 6) is moved in the first direction X so as to be away from the rotation center axis 51 of the indexing board 5, and the work W3 is moved in the first direction. The first processing unit 41 is transferred to the first processing unit 41, and the first processing unit 41 is lowered to start processing. The transfer mechanism 6 (second work table 28) is similarly moved so as to synchronize with it, and the workpiece W4 of the fourth holding portion 52d is transferred to the second processing portion 45 and processed by the second processing portion 45. To start. In addition, the part enclosed with the dashed-dotted line in FIG. 3 shows that it is in the state in this process.

  Next, as the third step S3, while the workpieces W3 and W4 are being processed in the second step S2, the processed holding held by the first holding portion 52a which is one holding portion 52 in the second direction Y is performed. The workpiece W1 is unloaded by the loading / unloading mechanism 7, and the unprocessed workpiece W5 is loaded into the first holding portion 52a.

  While the workpieces W3 and W4 are being machined in the second step S2, as a fourth step S4 following the third step S3, the indexing board 5 is centered on its rotation center axis 51 and the second rotation control unit 9b. To rotate it 180 ° clockwise. By this rotation, the positions of the four holding portions 52 are reversed around the rotation center axis 51. That is, the positions of the first holding part 52 a and the second holding part 52 b in the second direction Y are reversed, and the second holding part 52 b is located adjacent to the carry-in / out mechanism 7. Then, the processed workpiece W2 held by the second holding portion 52b, which is the other holding portion 52 in the second direction Y, is carried out by the carry-in / out mechanism 7, and an unmachined workpiece is transferred to the second holding portion 52b. Carry in W6.

  Next, as the fifth step S5, the machining of the two workpieces W3 and W4 in the second step S2 is completed following the fourth step S4 while keeping the position of the indexing board 5 in the state of the fourth step S4. Then, the transfer mechanism 6 (the first work table 24 and the second work table 28) is moved toward the center in the first direction X, and the processed workpieces W3 and W4 are held in the first direction X in the third holding direction. They are transferred to the part 52c and the fourth holding part 52d, respectively.

  By the processes from the first step S1 to the fifth step S5, the first holding part 52a changes from the processed work W1 to the unprocessed work W5, and the second holding part 52b changes from the processed work W2 to the unprocessed work. Change to W6. Further, the unprocessed workpiece W3 is processed in the third holding portion 52c, and the unprocessed workpiece W4 is processed in the fourth holding portion 52d.

  When the process is completed up to the fifth step S5, the process returns to the first step S1 and repeats the process up to the fifth step S5 to sequentially carry out the processed workpieces W and carry in or process the unprocessed workpieces W. Can do.

  Through the series of steps, while the workpiece W3 and the workpiece W4 are being processed by the first processing unit 41 and the second processing unit 45, the processed workpieces W1 and W2 are unloaded and a new unprocessed workpiece W5 is taken out. , W6 can be carried in. Therefore, the time required to carry out the workpieces W1 and W2 and the time required to carry in the workpieces W5 and W6 can be shared with the machining time of the workpieces W3 and W4. That is, since the time for loading and unloading four workpieces can be set during the machining of two workpieces W, the cycle time from loading, machining and unloading of one workpiece W can be shortened.

  In addition, since the first processing unit 41 can perform a processing operation without interfering with the movement of the indexing board 5, when the workpiece W is processed by the first processing unit 41, the first processing unit 41 may It is possible to change the direction of the main shaft 25 and the height and direction of the first grindstone 44, and complex processing is also possible. The same applies to the second processing portion 45 provided symmetrically.

  Further, when machining the workpiece W, it is required to increase the positioning accuracy. In the present invention, since the workpiece W is not machined on the indexing board 5, the workpiece W is machined on the indexing board 5. In comparison, it is easier to control the index position.

  Moreover, in this embodiment, the 1st process part 41, the indexing board 5, and the 2nd process part 45 are arrange | positioned side by side, and it is the space by which the front side was open | released rather than the process part 4, The processing apparatus 1 The machining state of the workpiece W can be visually recognized from the front side. Therefore, work such as maintenance of the processing unit 4 and replacement of the grindstone can be performed from the front of the processing apparatus 1 where the workpiece W is carried in and out, so that workability is excellent. Further, since the holding portion 52 positioned on the rear side of the indexing board 5 which is a place where it is difficult to perform relatively complicated work becomes a standby position for the workpiece W, the space on the rear side of the indexing board 5 is effectively used. Can be used for

(Embodiment 2)
A second embodiment will be described with reference to FIG. In the second embodiment, only portions different from the first embodiment will be described, and description of common portions will be omitted. In the second embodiment, the workpiece W processed by the first processing unit 41 and the workpiece W ′ processed by the second processing unit 45 are different types and perform different processing. In order to further shorten the cycle time, it is preferable that the workpiece W processed by the first processing unit 41 and the workpiece W ′ processed by the second processing unit 45 have substantially the same processing time.

  Also in the second embodiment, the same process as in the first embodiment may be repeated. The processed workpiece W is unloaded, the unprocessed workpiece W is loaded, and the processed workpiece W ′ is unloaded and unprocessed. If the workpiece W ′ is carried in, the workpiece W is always processed in the first processing section 41 and the workpiece W ′ is processed in the second processing section 45.

  Therefore, for example, if the workpiece W and the workpiece W ′ have the same part of processing, although the dimensions and shape are partially different, and the processing time is substantially the same, the two types of workpieces can be Since it can process with the processing apparatus 101, it is excellent in production efficiency.

(Other embodiments)
In the above embodiment, the first work slide guide 23 and the second work slide guide 27 are provided on the common bed 2, but the first work slide guide 23 and the second work are not the common bed 2. The slide guide 27 may be a bed on which the slide guide 27 is placed separately.

  Further, the indexing board 5 is not limited to the disk shape of the above-described embodiment, and may be provided with the four holding portions 52 as long as it can be indexed and rotated. The arm may be provided in a radial shape and may have a shape including a holding portion at the tip.

  Moreover, in the said embodiment, although the 1st process part 41 and the 2nd process part 45 shall carry out internal surface grinding with the 1st grindstone 44 and the 2nd grindstone 48, it is not restricted to this, Other processes For example, cutting or honing may be performed.

  Moreover, in the said embodiment, although the transfer mechanism 6 was set as the structure which the 1st work table 24 and the 2nd work table 28 serve as, it is not restricted to this, Other mechanisms, for example, a robot hand, an arm mechanism, etc., are used. You may make it transfer by using.

  In the above embodiment, the first rotation control unit 9a that rotates 90 ° and the 9b that rotates 180 ° are provided. However, the present invention is not limited to this, and the first rotation control unit 9a rotates twice by 90 °. Thus, the second rotation control unit 9b may also be used.

  In the above embodiment, the workpiece W is supported by the holding portion 52 of the indexing board 5 and the first and second main shafts 25 and 29 via the jig 10, but depending on the shape of the workpiece W and the like. The jig 10 may be omitted and directly supported.

DESCRIPTION OF SYMBOLS 1,101 Processing apparatus 24 1st work table 28 2nd work table 4 Processing part 41 1st processing part 45 2nd processing part 5 Indexing board 51 Rotation center shaft 52 Holding part 53 Notch 6 Transfer mechanism 7 Carry-in / out mechanism W, W 'Work X First direction
Y second direction
S1 1st step S2 2nd step S3 3rd step S4 4th step S5 5th step

Claims (5)

In a processing apparatus comprising an indexing machine that holds and rotates a workpiece and a processing section that processes the workpiece,
The processing unit includes a first processing unit and a second processing unit arranged side by side with the indexing plate in between,
The indexing board detachably holds the workpiece in a first direction parallel to the direction in which the first processing unit and the second processing unit are arranged and in a second direction perpendicular to the first direction. Four holding parts are provided at equal intervals in the circumferential direction,
The processing apparatus includes: a transfer mechanism that transfers the work held in each of the two holding parts in the first direction to the first processing part and the second processing part; and And a loading / unloading mechanism for loading / unloading the workpiece held by the one holding unit to / from the holding unit,
While the workpieces transferred from the holding unit by the transfer mechanism are being processed by the first processing unit and the second processing unit, respectively, in the second direction by the carry-in / out mechanism. After unloading the workpiece held by the holding portion and loading the unprocessed workpiece, the indexing board is half-turned and the other holding in the second direction is performed by the loading / unloading mechanism. A processing apparatus characterized in that the work held by the part is unloaded and the unprocessed work is loaded. The processing apparatus according to claim 1,
A first work table that supports the workpiece to be processed by the first processing unit and is movable between the first processing unit and the indexing board;
A second work table that supports the workpiece to be processed by the second processing unit and is movable between the second processing unit and the indexing board;
The processing apparatus, wherein the first work table and the second work table also serve as the transfer mechanism. In the processing apparatus according to claim 1 or 2,
The indexing board has a rotation center axis,
Each of the holding portions is formed from an outer periphery of the indexing board toward the rotation center axis, and includes a notch that holds the work so as to be removable.
The transfer mechanism is configured to slide the work held in the notch from the inner peripheral side to the outer peripheral side of the indexing board, and to move the work from the holding part to the first processing part and the second processing part. A processing apparatus characterized by being transferred to the machine. In the processing method using the processing apparatus which processes a workpiece | work using the processing apparatus as described in any one of Claim 1 to 3,
In the state in which the two processed workpieces are held in the holding unit in the first direction and the two unprocessed workpieces are held in the holding unit in the second direction, respectively. A first step of rotating the indexing board by 90 °;
Subsequent to the first step, the two unprocessed workpieces held by the holding unit in the first direction are transferred to the first processing unit and the second processing unit, respectively, for processing. The second step;
While the workpiece is being machined in the second step, the third step is to carry out the worked workpiece held in one of the holding portions in the second direction and carry in the unmachined workpiece. When,
While the workpiece is being processed in the second step, following the third step, the indexing board is rotated by 180 °, and the workpiece is held in the other holding portion in the second direction. A fourth step of unloading the finished workpiece and loading the unprocessed workpiece;
Subsequent to the fourth step, after the processing of the two workpieces being processed in the second step is completed, the workpieces are transferred to the holding portions in the first direction, respectively. 5 steps, The processing method using the processing apparatus characterized by the above-mentioned. In the processing method using the processing apparatus according to claim 4,
A processing method using a processing apparatus, wherein the first step to the fifth step are repeated after returning to the first step after the fifth step.

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