CN114952364A - Tool magazine and machine tool - Google Patents
Tool magazine and machine tool Download PDFInfo
- Publication number
- CN114952364A CN114952364A CN202210033427.6A CN202210033427A CN114952364A CN 114952364 A CN114952364 A CN 114952364A CN 202210033427 A CN202210033427 A CN 202210033427A CN 114952364 A CN114952364 A CN 114952364A
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- CN
- China
- Prior art keywords
- tool
- spindle
- rail
- tool magazine
- grip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
- B23Q3/15526—Storage devices; Drive mechanisms therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention provides a tool magazine and a machine tool with the tool magazine, which can enable a large number of holding arms and restrain the upsizing of the tool magazine. A tool magazine configured to move a plurality of holding arms for holding tools along a rail, wherein the rail includes: two first straight portions opposing each other; two second straight line portions opposing each other; and a curved portion connecting an end of the first linear portion and an end of the second linear portion.
Description
Technical Field
The invention relates to a tool magazine and a machine tool.
Background
Conventionally, a machine tool includes a tool magazine and a spindle head that can move up and down (see japanese patent application laid-open No. 2013-154436). The tool magazine includes a plurality of moving bodies connected in an annular shape. Each moving body has a plurality of gripping arms for holding a tool. The tool magazine moves the movable body along an annular track surrounding the periphery of the spindle head, and a predetermined grip arm is disposed below the spindle head. The spindle head rotatably supports the spindle. The main shaft head is lowered, and the tool held by the holding arm is attached to the main shaft.
A machine tool holds a workpiece on a table, rotates a spindle to which a tool is attached, and performs various kinds of machining such as milling, tapping, and the like. The tool attached to the spindle needs to be exchanged according to the type of work to be processed. With the modularity of the machining components and the tendency toward integration of machining processes, the number of tool holders used for one workpiece increases, and the number of holding arms holding the tool increases. Therefore, the total number of moving bodies holding the gripping arms increases, or the entire length of the moving bodies becomes long, and the tool magazine becomes large.
Disclosure of Invention
Problems to be solved by the invention
The invention aims to provide a tool magazine and a machine tool with the tool magazine, wherein the tool magazine can be large in number of holding arms and can be prevented from being large.
Means for solving the problems
Technical means 1 is a tool magazine in which a plurality of gripping arms for gripping a tool are moved along a rail, the rail including: two first straight portions facing each other; two second linear portions opposing each other; and a curved portion connecting an end of the first linear portion and an end of the second linear portion.
By forming the track in a rounded rectangle having the first straight portion, the second straight portion, and the curved portion, the circumferential length (moving path distance) of the track becomes longer than that of a oval shape or an elliptical shape having the same overall length and width. Therefore, the tool magazine can be prevented from being enlarged, and the number of the gripping arms arranged in the movement path can be increased.
The tool magazine according to claim 2 has a rail that surrounds a spindle on which the tool is mounted, and the first linear portion extends in a direction orthogonal to the axial direction of the spindle, and the tool held by the holding arm positioned in the first linear portion is mounted on the spindle.
The first straight line portion of the trajectory, which is the tool exchange position, is arranged along a direction orthogonal to the axial direction of the spindle. Since the grip arm moves along the first linear portion, the posture of the grip arm when the tool is attached can be maintained straight with respect to the spindle, and the tool gripped by the grip arm can be smoothly attached to the spindle.
In the tool magazine according to claim 3, the plurality of gripping arms are arranged in a row at a predetermined interval on the lower surface of the moving body moving along the rail, and the length of the first linear portion is twice or more the interval between the gripping arms at both ends of the moving body.
The length of the first straight line part is more than twice of the interval between the holding arms at the two ends of the moving body. Therefore, when the plurality of grip arms are attached to one movable body in a row at predetermined intervals, the movable body can position each grip arm at the exchange position at the center of the first linear portion without overlapping a part of the movable body with the curved portion. The posture of the gripping arm when the tool is attached can be maintained straight with respect to the main shaft regardless of which gripping arm among the plurality of gripping arms is.
The tool magazine according to claim 4 includes: a pair of support rods each having a gripping portion for gripping a tool at one end; and an urging member provided between the other ends of the pair of support rods, the urging member urging the pair of support rods in a direction in which the gripping portions of the pair of support rods approach each other.
The gripping arm including a pair of support rods includes a biasing member between the other ends of the support rods, and grips the tool by the biasing force of the biasing member. Therefore, the length of the grip portion can be shortened as compared with the case where the biasing member is provided in the grip portion. As a result, the width of the gripping arms can be shortened, and therefore the number of gripping arms arranged on the rail can be increased.
Claim 5 provides a machine tool including the tool magazine described above and a spindle to which a tool is attached, wherein the rail surrounds the spindle.
The same effect as the tool magazine is produced.
In a tool magazine and a machine tool, the number of gripping arms is large, and the tool magazine can be prevented from being large.
Drawings
Fig. 1 is a perspective view of a machine tool.
Fig. 2 is a front view of the machine tool.
Fig. 3 is a right side view of the machine tool with the chain part and the like omitted.
Fig. 4 is a schematic perspective view of the rail portion.
Fig. 5 is a schematic perspective view of the tool magazine moving on the rail portion.
FIG. 6 is a sectional view of the line VI-VI shown in FIG. 5 as a sectional line.
Fig. 7 is a schematic perspective view of the moving body and the grip arm.
Fig. 8 is a schematic plan view of the substrate.
Fig. 9 is a perspective view of the grip arm.
Fig. 10 is a schematic partially enlarged plan view of the tool magazine.
Fig. 11 is an explanatory diagram of the track shape and the circumferential length.
Detailed Description
The present invention will be described below with reference to the drawings showing machine tools according to embodiments. In the following description, the top, bottom, front, rear, left, and right shown in the drawings are used.
As shown in fig. 1 to 3, the machine tool 100 includes a base 10, a spindle head 20, a tool magazine 30, and the like. The base 10 is rectangular and extends in the front-rear direction. The work holding portion 11 is provided on the upper front side of the base 10. The workpiece holding unit 11 holds a workpiece to be processed. The workpiece holding portion 11 is rotatable about a C-axis extending vertically. The support table 12 is provided at the rear side of the upper portion of the base 10. An X-axis direction moving device 14 is provided on the upper surface of the support table 12. The X-axis direction moving device 14 can move in the left-right direction (X-axis direction). The Y-axis direction moving device 15 is provided above the X-axis direction moving device 14. The Y-axis direction moving device 15 supports the column 13 to be movable in the front-rear direction (Y-axis direction). The Z-axis direction moving device 16 is provided on the front surface of the column 13. The Z-axis direction moving device 16 moves the spindle head 20 in the vertical direction (Z-axis direction).
The spindle head 20 includes a spindle 21 extending vertically. The spindle 21 rotates about an axis. A tool is attached to the lower end of the spindle 21. The spindle motor 22 is provided at an upper end portion of the spindle head 20. The spindle 21 and the tool are rotated by rotation of a spindle motor 22. The rotating tool machines the workpiece held by the workpiece holding portion 11.
The tool magazine 30 will be described with reference to fig. 4 to 7. The tool magazine 30 includes a rail portion 31, a chain portion 32, and a tool magazine driving portion 33. The magazine 30 moves the chain portion 32 along the rail portion 31 by driving of the magazine driving portion 33.
The rail portion 31 includes two support beams 311, a rail base 312, and a rail 313. The support beam 311 is a plate-like structural member having a substantially right triangle shape. The oblique side of the support beam 311 is disposed on the upper side. The oblique side of the support beam 311 is inclined so as to descend toward the front. The support beams 311 are fixed to the right and left of the column 13. The support beam 311 extends from the left and right portions fixed to the column 13 to both side portions of the spindle head 20, and the upper end surface of the support beam 311 is inclined approximately 30 degrees from the front bottom to the rear top with respect to the horizontal plane. The track table 312 is a rectangle (rectangle) with rounded corners in a top view, and extends forward and backward. The track base 312 is provided on the oblique side of the support beam 311 and surrounds the column 13 and the spindle 21. The track table 312 is inclined at approximately 30 degrees to the horizontal. A positioning mechanism 314 for aligning the position of the tool with the position of the spindle 21 is provided at the center of the front lower end of the rail table 312. The center portion of the lower end portion of the track table 312 is located at the cutter changing position.
The rail 313 is provided above the rail table 312 and forms an annular rail. The rail 313 is rectangular with rounded corners in a plan view, and has a substantially rectangular cross section. The rail 313 includes two first linear portions 313a facing each other and two second linear portions 313b facing each other, and the curved portion 313c connects an end of the first linear portion 313a and an end of the second linear portion 313 b. The two first straight portions 313a are provided in the front and rear of the spindle head 20, respectively, and extend linearly in the left-right direction. The two second linear portions 313b are provided on the left and right sides of the spindle head 20, respectively, and extend linearly in the front-rear direction, i.e., in the direction orthogonal to the left-right direction. The first linear portion 313a and the second linear portion 313b are arranged to be orthogonal to each other. The track table 312 and the track 313 are configured to: the first straight portion 313a is parallel to a direction orthogonal to the axial direction of the spindle 21, and the longitudinal center of the first straight portion 313a coincides with the axial center of the spindle 21. The two second linear portions 313b are desirably parallel, but may be narrowed between front ends or rear ends of the two second linear portions 313 b.
The mount table 315 is provided at the rear of the track table 312, and the magazine drive unit 33 is mounted on the mount table 315. The tool magazine driving unit 33 includes a motor 331 and a gear 332. The axis of the gear 332 is substantially at right angles to the oblique side of the support beam 311. The gear 332 is connected to a rotation shaft of the motor 331 and meshes with the chain portion 32. The motor 331 rotates the gear 332, thereby rotating the chain portion 32 and the plurality of holding arms 36. The chain portion 32 is provided along the rail 313. The chain unit 32 includes a plurality of moving bodies 34, a plurality of links 35, and a plurality of gripping arms 36. The link 35 is an elongated substantially rectangular plate shape and extends linearly. The link 35 connects the adjacent moving bodies 34. The plurality of moving bodies 34 and the links 35 form an endless chain.
As shown in fig. 6 and 7, the moving body 34 includes a base plate 341, two inner rollers 342, two outer rollers 343, two bearings 344, and two coupling shafts 345. The substrate 341 has a substantially rectangular plate shape in plan view extending in the left-right direction. The two inner rollers 342 are provided on the lower surface of the substrate 341 and are long side portions on the rear side. The two inner rollers 342 are aligned in a left-right direction. The two outer rollers 343 are provided on the lower surface of the base plate 341 and are front long side portions. The two outer rollers 343 are aligned in a row in the left-right direction. The rotation axis of the inner roller 342 and the rotation axis of the outer roller 343 are at right angles to the substrate 341, respectively. The two coupling shafts 345 are provided at both ends of the upper surface of the substrate 341. The two coupling shaft bodies 345 are aligned in a row in the left-right direction. The axis of the connecting shaft 345 is perpendicular to the upper surface of the substrate 341. As shown in fig. 5, both end portions of the link 35 in the longitudinal direction are rotatably connected to the adjacent moving bodies 34 via the link shafts 345, respectively, by the link 35. A bearing 344 is rotatably provided around the coupling shaft body 345. The rotation axis of the bearing 344 is at right angles to the upper surface of the base plate 341. The two grip arms 36 are attached to both end portions of the lower surface of the base plate 341. The two grip arms 36 are aligned in a row with a predetermined interval in the left-right direction of the substrate 341.
As shown in fig. 8, point a represents the axial center of the inner roller 342, point B represents the axial center of the outer roller 343, and point C represents the axial center of the coupling shaft body 345. The positions of the points A in the front-back direction are consistent. The positions of the two points B in the front-back direction are consistent. The positions of the two points C in the front-back direction are consistent. The distance L1 between the axial centers of the inner rollers 342 is shorter than the distance L2 between the axial centers of the outer rollers 343. As described later, the lower tip of the holder of the grip arm 36 swings around the axis of the arm pivot 368 (see fig. 7), and the tool is exchanged. In one movable body 34, the axial direction of the arm pivot 368, the linear direction connecting the axial centers of the inner rollers 342, the linear direction connecting the axial centers of the outer rollers 343, and the linear direction connecting the axial centers of the connecting shaft bodies 345 are all parallel to each other.
The lower surface of the substrate 341 is disposed above the rails 313. The inner roller 342 is rotatably in contact with the inner peripheral side surface of the rail 313. The outer roller 343 is rotatably in contact with the outer peripheral side surface of the rail 313. The bearing 344 of the base 341 engages with the gear 332, and the movable body 34 moves along the rail 313 in conjunction with the rotation of the gear 332. The bearing 344 rotates in engagement with the gear 332, thereby reducing friction and wear. Since the bearing 344 is used as a meshing member that meshes with the gear 332, the diameter can be increased as compared with the case of using a pin, and a larger load can be received. When a pin having a small diameter is used, a plurality of pins are required, but the use of the bearing 344 can reduce the number of components, thereby reducing the manufacturing cost. Since the distance L1 between the axial centers of the inner rollers 342 is made shorter than the distance L2 between the axial centers of the outer rollers 343, it is possible to suppress the gaps between the rollers and the track 313, which are generated in the straight portions and the curved portions of the track 313.
In the following description, the grip arm 36 of the first linear portion 313a located on the front side is used as an example, and the upper, lower, front, rear, left, and right sides are illustrated in the drawings. As shown in fig. 7 and 9, the gripping arm 36 includes an attachment plate 361 attached to the base plate 341. An extension 362 is provided at a lower portion of the mounting plate 361. The extension part 362 extends in the vertical direction, and the lower end of the extension part 362 is bent rearward. A positioning pin 363 for aligning the position of the grip arm 36 with the position of the spindle head 20 is provided at a vertically intermediate portion of the extension portion 362. Two guide plates 365 for guiding the swing of a support lever 369 described later are fixed to the left and right side surfaces of the lower end of the extension portion 362. The two guide plates 365 are opposed to each other. In a side view, guide plate 365 has a substantially triangular shape with an upper end portion as a vertex and extending downward. An arm shaft hole 366 into which an arm pivot 368 described later is inserted is provided at an upper end portion of the guide plate 365. A support plate 367 extending in a substantially vertical direction is provided between the two guide plates 365. A cam follower 364 is provided on the rear side of the upper portion of the support plate 367. The lower end portion of the support plate 367 is bent to protrude rearward. The rear edge portion of the lower end portion is formed in an arc shape in plan view recessed toward the front side. A arm pivot 368 is fixed at an upper end of the support plate 367. Both end portions of the arm pivot 368 are inserted into the arm shaft holes 366 of the respective guide plates 365 swingably. The grip arm 36 is attached to the movable body 34 along the rail 313 with an arm pivot 368.
Grooves X are formed in both right and left side surfaces of the lower end portion of the support plate 367. The grooves X extend in the front-rear direction. The first support lever 369a and the second support lever 369b are inserted into each slot X. The first support lever 369a and the second support lever 369b constitute a pair of support levers 369. The first support rod 369a and the second support rod 369b extend in the front-rear direction. The front portions of the first and second support rods 369a and 369b protrude forward from the groove X. The rear portions of the first and second support rods 369a and 369b protrude rearward beyond the slot X. The front-rear direction middle portion of the first support lever 369a is connected to the rear portion of the support plate 367 via a pivot 369c having an axial direction in the vertical direction. The second support rod 369b is connected at its middle portion in the front-rear direction to the rear portion of the support plate 367 via a pivot 369d having an axial direction in the vertical direction.
A portion of the first support lever 369a on the rear side of the pivot shaft 369c is curved so as to protrude leftward in an arc shape along the support plate 367. A portion of the second support lever 369b on the rear side of the pivot shaft 369d is curved so as to protrude rightward along the circular arc shape of the support plate 367. A cylindrical grip portion 369e is provided at a distal end (one end) portion of the rear end portion of the first support rod 369a and a distal end (one end) portion of the rear end portion of the second support rod 369 b. Each of the gripping portions 369e has an axial direction which is the same as the arm pivot 368 and is oriented in the left-right direction.
The grip pins 369f axially protrude from the respective grip portions 369 e. The tip end surfaces of the two holding pins 369f face each other. The tip surface of the holding pin 369f is formed into a curved surface protruding outward. The holding pin 369f holds the knife handle. The tool holder is in a cylindrical shape with the upper and lower directions being axial, and the tool is embedded in the tool holder. A groove is formed in the outer periphery of the shank. When the tool holder is inserted between the two holding pins 369f, the holding pins 369f are locked in the grooves, and hold the tool holder and the tool.
A spring seat 369g is provided at a front end (the other end) of the first support rod 369a and a front end (the other end) of the second support rod 369 b. The two spring seats 369g have a disk shape and face each other in the left-right direction. A pressure spring 369h is provided between the two spring seats 369 g. The pressure spring 369h biases the two spring seats 369g so that the two spring seats 369g are separated from each other in the left-right direction, thereby biasing the two holding pins 369f in a direction in which the tip end surfaces of the two holding pins 369f approach each other. The pressure spring 369h is an example of the urging member, and rubber can be used instead of the pressure spring 369 h. As described above, the first support rod 369a and the second support rod 369b have the holding pin 369f at the rear end portion and the pressing spring 369h at the front end portion. The length of the grip portion 369e can be shortened as compared with a case where a pressure spring 369h is provided inside the grip portion 369e and the pressure spring 369h biases the grip pin 369 f. The dimension in the moving direction of the grip arm 36 can be reduced without reducing the dimension between the tip end surfaces of the two grip pins 369 f.
The length of the first linear portion 313a, the predetermined interval between the grip arms 36, and the length of the link 35 will be described with reference to fig. 10 and 4. The interval L3 between the two grip arms 36 arranged in the moving body 34 is shorter than the length L4 of the link 35. The interval L3 is an interval between center portions of adjacent grip arms 36 in the moving direction. The length L4 of the link 35 is the length between the axial centers of the connecting shaft bodies 345 at both end portions of the link 35.
Consider the case where the interval L3 and the length L4 of the link 35 are the same. When the interval L3 is reduced in order to connect more gripping arms 36, the adjacent gripping arms 36 interfere with each other when the adjacent moving body 34 is closest to the vicinity of the connection portion where the first linear portion 313a is connected to the curved portion 313c or the vicinity of the connection portion where the second linear portion 313b is connected to the curved portion 313 c. In the present embodiment, the interval L3 is made shorter than the length L4 of the link 35, so that the number of the gripping arms holding the chain portion 32 can be increased while suppressing the size increase of the tool magazine 30 and the interference between the gripping arms 36.
The length L5 of the first linear portion 313a of the rail 313 is twice or more the distance L6 between the gripping arms 36 at both ends of the moving body 34. In fig. 10, the movable body 34 includes two grip arms 36, and the interval L3 is equal to the interval L6. The grip arm 36 moves along the rail 313 in a state of being aligned in the moving direction, and indexes (japanese) a tool to an exchange position below the spindle 21 (す from cutting り). After the main spindle 21 is lowered, the tool holder and the tool are attached to the main spindle 21 at the exchange positions. If L5 is equal to or greater than L6 × 2, no matter which of the gripping arms 36 of the movable body 34 is located at the exchange position, a part of the movable body 34 does not overlap the curved portion 313c, and the posture of the movable body 34 can be maintained straight with respect to the main shaft 21. Therefore, the main spindle 21 and the grip arm 36 that grips the tool to be attached face each other, and the main spindle head 20 positioned above the grip arm 36 is moved downward by the Z-axis moving device 16, so that the tool can be smoothly attached to the main spindle 21.
The number of the grip arms 36 of one moving body 34 may be three or more. At this time, since the dimension of the movable body 34 in the left-right direction is increased, three or more bearings 344 may be provided according to the pitch of the gear 332.
The track of the present embodiment having a rounded rectangle shape is shown on the upper side of fig. 11. A rail of a comparative example having a waisted shape is shown on the lower side of fig. 11. When the entire length and width of the rail are the same, the circumference (travel path distance) of the rail of the example is longer than the circumference (travel path distance) of the rail of the comparative example. The example of applying specific values and performing calculations is illustrated. The total length of the rail was 1055mm, and the total width was 612 mm. According to the calculation, the circumference was 2807mm in the comparative example, whereas the circumference was 2950mm in the example. By using a rounded rectangular rail as compared with a waistline shape or the like, the increase in the size of the rail can be suppressed, the circumferential length can be increased, and the number of the grip arms 36 included in the tool magazine 30 can be increased. The full length is the longitudinal length and the full width is the transverse length.
Claims (5)
1. A tool magazine in which a plurality of holding arms for holding tools are moved along a rail,
the track has:
two first straight portions facing each other;
two second linear portions opposing each other; and
and a curved portion connecting an end of the first linear portion and an end of the second linear portion.
2. The tool magazine of claim 1,
the rail surrounds a spindle on which the tool is mounted,
the first straight line portion extends in a direction orthogonal to an axial direction of the spindle,
and attaching the tool held by the gripping arm positioned in the first linear portion to the main spindle.
3. The tool magazine according to claim 1 or 2, wherein,
a plurality of the holding arms are arranged in a line at a predetermined interval on a lower surface of a moving body moving along the rail,
the length of the first linear portion is twice or more of the interval between the grip arms at both ends of the movable body.
4. The tool magazine according to any one of claims 1 to 3,
the grip arm includes:
a pair of support rods each having a gripping portion for gripping a tool at one end; and
a biasing member provided between the other ends of the pair of support rods,
the biasing member biases the pair of support rods in a direction in which the grip portions of the pair of support rods approach each other.
5. A machine tool in which, in a machine tool,
the machine tool is provided with:
the tool magazine of any one of claims 1 to 4, and
a main shaft for installing a cutter is arranged on the cutter,
the track surrounds the spindle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021030689A JP2022131648A (en) | 2021-02-26 | 2021-02-26 | Tool magazine and machine tool |
| JP2021-030689 | 2021-02-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114952364A true CN114952364A (en) | 2022-08-30 |
| CN114952364B CN114952364B (en) | 2023-09-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210033427.6A Active CN114952364B (en) | 2021-02-26 | 2022-01-12 | Tool magazine and machine tool |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2022131648A (en) |
| CN (1) | CN114952364B (en) |
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| CN102729082A (en) * | 2011-04-12 | 2012-10-17 | 孙颖 | Cutter changing device of machine tool |
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| CN202910624U (en) * | 2012-01-30 | 2013-05-01 | 兄弟工业株式会社 | Machine tool |
| CN203371331U (en) * | 2012-06-05 | 2014-01-01 | 兄弟工业株式会社 | Machine tool |
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| CN104802017A (en) * | 2015-04-29 | 2015-07-29 | 佛山市普拉迪数控科技有限公司 | Movable type bamboo hat tool changer |
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| CN107127637A (en) * | 2016-02-26 | 2017-09-05 | 兄弟工业株式会社 | Telescopic shield and lathe |
| TW201801899A (en) * | 2016-07-12 | 2018-01-16 | 大塚製藥股份有限公司 | Stamping device and rotational stamping disc comprises an upper wheel, upper stamping rollers, a lower wheel, lower part stamping rollers without giving a loading weight overturning the pestle |
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| JP2020044630A (en) * | 2018-09-20 | 2020-03-26 | ブラザー工業株式会社 | Machine tool |
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| JP2022131648A (en) | 2022-09-07 |
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