CN108655756A - Gantry machine tool - Google Patents
Gantry machine tool Download PDFInfo
- Publication number
- CN108655756A CN108655756A CN201810163945.3A CN201810163945A CN108655756A CN 108655756 A CN108655756 A CN 108655756A CN 201810163945 A CN201810163945 A CN 201810163945A CN 108655756 A CN108655756 A CN 108655756A
- Authority
- CN
- China
- Prior art keywords
- column
- spindle box
- traverse rod
- machine tool
- gantry machine
- 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.)
- Granted
Links
Classifications
-
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/0046—Column grinding machines
-
- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
-
- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/012—Portals
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
Abstract
The present invention provides a kind of gantry machine tool, and project is to realize lightweight and realizes the raising of machining accuracy.The gantry machine tool of the present invention has：First column (10) and the second column (20)；Traverse rod (32) is supported in the first column (10) and the second column (20)；And spindle box (332), it is supported in traverse rod (32), the first column (10) and the second column (20) are respectively arranged with upward and to the inclined inclined strut in the spindle box of traverse rod (32) (332) side (15,25).By the way that inclined strut (15,25) is arranged, it can realize the mitigation of weight, and by making the gradient of inclined strut (15,25) corresponding to the spindle box (332) for being configured at traverse rod (32), the rigidity that each column (10,20) can be improved, the load to be effectively resistant to spindle box side increase.Therefore, it is possible to realize lightweight and can realize the raising of machining accuracy.
Description
This application claims the priority based on Japanese patent application filed in 28 days March in 2017 the 2017-062240th.
The entire content of this Japanese application is incorporated by reference in this manual.
Technical field
The present invention relates to a kind of gantry machine tools having column.
Background technology
Gantry machine tool has both ends by the traverse rod of pair of right and left upright supports and is supported in the spindle box of traverse rod.
In this gantry machine tool, in order to make the weight of left and right pillar tolerance traverse rod and spindle box, and left and right is prevented
Column bends and influences the machining accuracy of spindle box, needs the rigidity for improving left and right pillar.
In existing gantry machine tool, in the hollow interior of left and right pillar, the rib of angularly disposed raised line shape, to improve a left side
The rigidity (for example, referenced patent document 1) of right column.
Patent document 1：Japanese Unexamined Patent Publication 10-286734 bulletins
In above-mentioned existing gantry machine tool, ribbed becomes to be tilted relative to the long side direction of traverse rod, therefore is directed to traverse rod
Long side direction on load can obtain higher rigidity.
However, by traverse rod supports main shaft case, on the direction that traverse rod easy tos produce towards spindle box side
Load, and in above-mentioned existing gantry machine tool, rigidity for load in this direction are simultaneously not enough.Accordingly, there exist
Left and right pillar relative to traverse rod and to spindle box side bend the possibility that declines so as to cause machining accuracy.
Invention content
Inhibit the flexure of column to improve the gantry machine tool of machining accuracy the purpose of the present invention is to provide a kind of.
The gantry machine tool of the present invention is configured to have：
First column and the second column；
Traverse rod is supported in first column and second column；And
Spindle box is supported in the traverse rod,
First column and second column are respectively arranged with upward and to the master of the traverse rod
The inclined inclined strut in axle box side.
In accordance with the invention it is possible to provide it is a kind of inhibit column flexure to improve the gantry machine tool of machining accuracy.
Description of the drawings
Fig. 1 is the stereogram for indicating the gantry machine tool involved by embodiments of the present invention.
Fig. 2 (A) is the stereogram of the first column or the second column, and Fig. 2 (B) is the section view of the W-W line cuttings along Fig. 2 (A)
Figure.
Fig. 3 is that the position between the extending direction and spindle box of the inclined strut for illustrating the first column or the second column is closed
The side view of the gantry machine tool of system.
Fig. 4 is the stereogram for the example for indicating that the processing unit (plant) of gantry machine tool is different.
In figure：1,1A- gantry machine tools, the first columns of 10-, the second columns of 20-, 11,21- top plate portions, 12,22- bottom plates
Portion, 13, the first pillars of 23-, 14, the second pillars of 24-, 15,25- inclined struts, 32- traverse rods, 331- saddles, 332- spindle boxes, 34,
34A- processing unit (plant)s, 34a, 34Aa- grinding wheel (tool), 131,141,151,231,241,251- flanges, e- extended lines.
Specific implementation mode
[summary of gantry machine tool]
Hereinafter, refer to the attached drawing, detailed description of embodiments of the present invention.
Fig. 1 is the stereogram for indicating the gantry machine tool 1 involved by embodiments of the present invention.In figure, X-direction and Y
Axis direction is mutually orthogonal directions in the horizontal direction, and Z-direction is the vertical direction orthogonal with X-direction and Y direction
On upper and lower directions.In the following description, before the side in X-direction being set as, the other side in X-direction is set as
Afterwards, the side in Y direction is set as left, the other side in Y direction is set as right.
Gantry machine tool 1 is the so-called grinding machine being ground to a surface of workpiece, is had：Base portion 31a, 31b；The
One column 10；Second column 20；Traverse rod 32；Saddle 331；Spindle box 332；Processing unit (plant) 34, configure workpiece workbench 36 and
Lathe bed 35.
[lathe bed]
Lathe bed 35 has a pair of of the linear guide (not shown) extended along X-direction, which supports workbench 36
It allows it to move along X-direction.Also, it is not shown equipped with making workbench 36 move along X-direction on lathe bed 35
Conveying mechanism.Conveying mechanism will arbitrarily control the motor of volume of traffic as driving source, and workbench 36 is made to keep workpiece
(workpiece) and moved along X-direction.
Also, the both sides in the Y direction of vehicle body 35 are linked with a pair of of base portion 31a, 31b so that a pair of base portion
31a, 31b vehicle body 35 protrudes.It is placed with the first column 10 on the base portion 31a on right side, is placed on the base portion 31b in left side
The lower end of two columns 20, the first column 10 and the second column 20 is individually fixed in base portion by known methods such as bolt or welding
31a、31b。
[traverse rod]
First column 10 and the second column 20 erect setting and clip lathe bed 35 and arrange in the Y-axis direction.Moreover, first
The upper end of column 10 and the second column 20 is supported by cross via bracket 32a (diagram for omitting 20 lateral bracket of the second column) fixation
Rail 32 so that the traverse rod 32 extends along Y direction.Moreover, the upper end of the first column 10 and the second column 20 by bolt or
The known methods such as welding are fixed on traverse rod 32.
Traverse rod 32 is elongated in the Y-axis direction, and supports saddle 331 as energy through not shown the linear guide on front side of it
It is enough to be moved along Y direction.
Also, equipped with the conveyer (not shown) for making saddle 331 move and make it to position along Y direction on traverse rod 32
Structure.The conveying mechanism also will arbitrarily control the motor of volume of traffic as driving source, and saddle 331 can be made along Y-axis side
To being moved and positioned over any position.
331 supports main shaft case 332 of saddle, spindle box 332 support processing unit (plant) 34.On the other hand, make based on traverse rod 32
Saddle 331, which along Y direction moves control and workpiece based on lathe bed 35 and moves control collaboration along X-direction, to carry out.As a result, can
It is enough that processing unit (plant) 34 is moved and positioned over any position on the X-Y plane of workpiece, so as to the whole surface to workpiece
Or any position carries out grinding.
[spindle box and saddle]
Spindle box 332 is supported in traverse rod 32 so as to be moved along Y direction via saddle 331, and with can be along Z axis
The mode of direction lifting is supported in saddle 331.Also, it is supported by processing unit (plant) 34 in the lower end of spindle box 332.
Saddle 331 has the function of that spindle box 332 is made to lift along Z-direction.
Therefore, saddle 331 is supported spindle box 332 by the linear guide (not shown) as that can be moved along Z-direction.And
And equipped with the conveying mechanism (not shown) for making spindle box 332 move and make it to position along Z-direction on saddle 331.This is defeated
It send mechanism also and will arbitrarily control the motor of volume of traffic as driving source, and spindle box 332 can be made to be moved along Z-direction
And it is positioned at any position.
[processing unit (plant)]
Processing unit (plant) 34 is held in the lower end of spindle box 332.
The processing unit (plant) 34 is with the disk-shaped or cylindric grinding wheel 34a around Y-axis rotation driving as tool
Grinding attachment.Grinding wheel 34a is configured at the right end of the lower end of spindle box 332.By make grinding wheel 34a rotate and make its periphery with
Workpiece sliding contact, to be ground to workpiece.
[the first column and the second column]
Fig. 2 (A) is the stereogram of the first column 10 or the second column 20, and Fig. 2 (B) is the W-W line cuttings along Fig. 2 (A)
Sectional view.
In addition, other than of different size in Y direction, the first column 10 is identical as the structure of the second column 20, because
This illustrates the identical part of these structures, according to fig. 2 (A) and Fig. 2 (B) together.In addition, in Fig. 2 (A) and Fig. 2 (B)
In, it is identical, but institute as above by the width means in the Y direction of the first column 10 and the second column 20 to simplify the explanation
It states, the width in the Y direction of the second column 20 is actually wider than the width in the Y direction of the first column 10.
It is hollow pillar that first column 10 and the second column 20, which are by the integral inside of the metal castings such as steel, from Y
It is in generally trapezoidal when axis direction is observed.
First column 10 and the second column 20 have：Top plate portion 11,21；Base plate 12,22；First pillar 13,23；Second
Pillar 14,24 and inclined strut 15,25.
Top plate portion 11,21 and base plate 12,22 are elongated in the X-axis direction rectangular plate-like, and base plate 12,22 is than top
Plate portion 11,21 is grown.Also, in order to mitigate weight, rectangular aperture is formed on top plate portion 11,21 and base plate 12,22.
First pillar 13,23 links the front end of the front end and base plate 12,22 of top plate portion 11,21, and with court
Tilted rearward upward and slightly.Also, the structure proximate of the first pillar 13,23 is in channel-section steel.That is, in the first pillar 13,23
Y direction on both ends, throughout its overall length be formed with towards rear erect setting flange 131,231, the first pillar
13,23 section is in "U" shape.
Second pillar 14,24 links the rear end of the rear end and base plate 12,22 of top plate portion 11,21, and along Z axis
Direction and formed.Also, the structure proximate of the second pillar 14,24 is in channel-section steel.That is, in the Y direction of the second pillar 14,24
Both ends, throughout its overall length be formed with towards front erect setting flange 141,241, the section of the second pillar 14,24
In "U" shape.
Also, it has been observed that saddle 331 and spindle box 332 are assemblied in the front side of traverse rod 32.Therefore, the first column 10 and
The support load for the traverse rod 32 that two columns 20 are born is in front side bigger.Therefore, the first pillar 13,23 uses and the second pillar
14,24 compared to the higher structure of rigidity for the compression load on long side direction.Specifically, the first pillar 13,23 is convex
The width (width on the direction orthogonal with the long side direction of pillar) of edge 131,231 compares the flange of the second pillar 14,24
141,241 width is wider.
In addition, the rigidity for the compression load on long side direction of the first pillar 13,23 is made to be more than the second pillar 14,24
The structure of the rigidity for the compression load on long side direction it's not limited to that, other structures can also be used.For example, can
With thicken the first pillar 13,23 wall thickness or flange 131,231 thickness, can also on the first pillar 13,23 along
Rib is arranged in upper and lower directions, can also install reinforcing member on the first pillar 13,23.
Inclined strut 15,25 links the rear end of the front end and base plate 12,22 of top plate portion 11,21, and with direction
Top and tilt forwards.Also, the structure proximate of inclined strut 15,25 is in H-shaped steel.That is, in the Y direction of inclined strut 15,25
On both ends, throughout its overall length be formed with towards former and later two directions erect setting flange 151,251.
Also, it has been observed that in processing unit (plant) 34, grinding wheel 34a is configured at the right end of the lower end of spindle box 332.Therefore,
When being ground, entire spindle box 332 is located at the left side of grinding wheel 34a, therefore the second column 20 positioned at left side is born
It is more that load is more than the case where load that the first column 10 is born.
Therefore, the second column 20 uses compared with the first column 10 for the rigid higher of the compression load in upper and lower directions
Structure.Specifically, the width in the Y direction of the second column 20 is more wider than the width in the Y direction of the first column 10.
In addition, the rigidity for the compression load in upper and lower directions of the second column 20 is made to be more than being directed to for the first column 10
It's not limited to that for the structure of the rigidity of compression load in upper and lower directions, can also use other structures.For example, being stood with first
Column 10 is compared, can thicken each pillar 23,24 of the second column 20 or the wall thickness or flange 231 of inclined strut 25,241,
Rib can also be arranged along upper and lower directions on each pillar 23,24 or inclined strut 25 in 251 thickness, can also be vertical second
Reinforcing member is installed on each pillar 23,24 or inclined strut 25 and flange 231,241,251 of column 20.
[relationship between the first column and the inclined strut and spindle box of the second column]
Fig. 3 is the dragon for indicating the relationship between the first column 10 and the inclined strut 15,25 and spindle box 332 of the second column 20
The right side view of gate-type lathe 1.
It has been observed that the inclined strut 15,25 of the first column 10 and the second column 20 is with tilting upward and forwards.And
And from the long side direction of traverse rod 32 (Y direction) when gantry machine tool 1, spindle box 332 is configured to and inclined strut 15,25
The extended line e extended along its long side direction intersect.The width side that the extended line e of inclined strut 15,25 passes through flange 151,251
To center.
Also, spindle box 332 is moved up and down relative to saddle 331.In figure 3, the spindle box 332 of solid line indicates to move down
The spindle box 332 of dynamic upper limit position, double dot dash line indicates the lower position moved up and down.
As shown in figure 3, even if spindle box 332 is lifted in the range of upper limit position to lower position, spindle box 332
Always the extended line e with inclined strut 15,25 intersects.
[technique effects of embodiments of the present invention]
In gantry machine tool 1, the first column 10 and the second column 20 are respectively arranged with upward and towards cross
The inclined inclined strut in the side (front side) for being provided with spindle box 332 of rail 32 15,25.
In the case where spindle box 332 is supported in the front side of traverse rod 32, the support load that each column 10,20 is born exists
Front side bigger still for this load, has higher rigidity towards the inclined inclined strut 15,25 in above-mentioned direction.
Therefore, even if realizing the light-weighted of device in the case that reducing the materials'use amount of each column 10,20,
Also higher rigidity can be obtained, so as to inhibit each column 10,20 to generate flexure.
Moreover, thus, it is possible to reduce 332 run-off the straight of spindle box, the grinding wheel 34a of processing unit (plant) 34 can be made with appropriate
Direction is contacted with workpiece, therefore can realize the raising of machining accuracy.
In addition, the column 10,20 with above-mentioned inclined strut 15,25 for example be formed as hollow box-like and inside along
The common column that upper and lower directions is provided with the rib (ruggedized construction) of raised line shape is compared, even if materials'use amount is reduced to half
Left and right (being substantially reduced to half), can also obtain the rigidity with common column same degree.
Also, gantry machine tool 1 is formed as, the first pillar 13,23 of the front side of the first column 10 and the second column 20
Rigidity is higher than the rigidity of the second pillar 14,24.
For the first column 10 and the second column 20, the rigidity of 332 side of spindle box of traverse rod 32, and energy can be improved
The flexure for enough reducing each column 10,20, so as to realize further increasing for machining accuracy.
Also, the inclined strut 15,25 of the first column 10 and the second column 20 is all formed as H-shaped section, therefore can mitigate
The weight of inclined strut 15,25 and its rigidity can be improved, and then be able to maintain that the rigidity of gantry machine tool 1, so as to reality
The further lightweight of existing whole device.
Also, in gantry machine tool 1, correspond to the configuration of grinding wheel 34a in the Y direction of spindle box 332, it will be with
Second column 20 of the opposite side in the side configured with grinding wheel 34a is formed as it and is rigidly higher than the rigidity of the first column 10.
It is almost entire main in the case of unilateral side (right side) being configured at grinding wheel 34a in the Y direction of spindle box 332
Axle box 332 is configured at the left side of grinding wheel 34a always, therefore when being processed action, is configured at 20 institute of the second column in left side
The case where support load born becomes larger is more.Therefore, by the way that the second column 20 is set as it rigidly higher than the first column 10
Rigidity, can reduce the inclination in processing action, be capable of further increasing for the machining accuracy of realization device.
Even if also, the support load born in the second column 20 can also pass through and improve carrying in the case of become larger
Power realizes the raising of durability.
Also, in gantry machine tool 1, when from Y direction, spindle box 332 is configured to and the first column 10 and
The extended line e of the inclined strut 15,25 of two columns 20 intersects.
Using this configuration, for the support load caused by the spindle box 332 being configured on traverse rod 32,
The inclined strut 15,25 of first column 10 and the second column 20 more effectively realizes higher rigidity.
Moreover, spindle box 332 is configured to such as lower structure：No matter it is located at any position in upper and lower mobile range, main
Extended line e of the axle box 332 always with inclined strut 15,25 intersects.In this case, during processing, even if processing unit (plant) 34
It is lifted, can be also supported always with higher rigidity.
Therefore, it is possible to inhibit to influence caused by the lifting action of processing unit (plant) 34, it can be processed work with high precision
Industry.
[other]
In the above-described embodiment, to feelings that gantry machine tool 1 is the grinding machine for having the processing unit (plant) 34 with grinding wheel 34a
Condition is illustrated, and still, as long as planer-type, the type of the processing of processing unit (plant) is not restricted by.
For example, having as shown in figure 4, can also the first column 10 and the second column 20 be applied to the support of spindle box 332
The gantry machine tools 1A such as the cutter of processing unit (plant) 34A of the tools such as slotting cutter or milling head 34Aa.
Also, the rotary shaft that gantry machine tool is not limited to the grinding wheel 34a of processing unit (plant) 34 as shown in Figure 1 is level side
To grinding machine, the first column 10 and the second column 20 can also be applied to rotary shaft towards the gantry machine tool in other directions or
The gantry machine tool in the direction of control rotary shaft can be changed.
Also, the left and right side of the first column 10 and the second column 20 is provided with opening, but can also be formed as imperforation
Tabular.Also, can also cover body can also be set to the plank of its engaged closed opening.
Claims (5)
1. a kind of gantry machine tool, which is characterized in that have：
First column and the second column；
Traverse rod is supported in first column and second column；And
Spindle box is supported in the traverse rod,
First column and second column are respectively arranged with upward and to the spindle box of the traverse rod
The inclined inclined strut in side.
2. gantry machine tool according to claim 1, which is characterized in that
First column and second column are provided with：First pillar is set to the traverse rod relative to the inclined strut
The spindle box side；And second pillar, the phase with the spindle box side of the traverse rod is set to relative to the inclined strut
Anti- side,
First pillar is formed as it and is rigidly higher than the rigidity of second pillar.
3. gantry machine tool according to claim 1 or 2, which is characterized in that
The section of the inclined strut is formed as H-shaped.
4. gantry machine tool according to any one of claim 1 to 3, which is characterized in that
Tool is configured at the side end side on the long side direction of the traverse rod of the spindle box,
Second column-type of end side side on the long side direction of the traverse rod becomes it rigidly higher than described
The rigidity of first column.
5. gantry machine tool according to any one of claim 1 to 4, which is characterized in that
When from the long side direction of the traverse rod, the spindle box is configured to and first column and second column
The extended line of the inclined strut intersects.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-062240 | 2017-03-28 | ||
| JP2017062240A JP6813406B2 (en) | 2017-03-28 | 2017-03-28 | Gate type machine tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108655756A true CN108655756A (en) | 2018-10-16 |
| CN108655756B CN108655756B (en) | 2020-12-22 |
Family
ID=63784729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810163945.3A Active CN108655756B (en) | 2017-03-28 | 2018-02-27 | Gantry machine tool |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6813406B2 (en) |
| KR (1) | KR102413400B1 (en) |
| CN (1) | CN108655756B (en) |
| TW (1) | TWI658894B (en) |
Citations (5)
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| CN201455664U (en) * | 2009-07-08 | 2010-05-12 | 台州职业技术学院 | Horizontal machining center column |
| JP2010173026A (en) * | 2009-01-30 | 2010-08-12 | Sumitomo Heavy Ind Ltd | Planer type machine tool |
| CN203330698U (en) * | 2013-07-16 | 2013-12-11 | 大连理工大学 | Stand column structure of numerically-controlled machine tool or machining center |
| CN203542059U (en) * | 2013-11-14 | 2014-04-16 | 济南星辉数控机械科技有限公司 | Numerical control three-dimensional carving machine tool portal framework |
| CN205254549U (en) * | 2015-12-30 | 2016-05-25 | 浙江纳迪克数控设备有限公司 | Firm center pillar for processing |
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| JPH08150534A (en) * | 1994-11-25 | 1996-06-11 | Toshiba Mach Co Ltd | Speed increasing device for table feed speed in machine tool |
| JPH1070252A (en) * | 1996-08-27 | 1998-03-10 | Mitsubishi Electric Corp | Semiconductor device and method of fabricating the same |
| JPH10286734A (en) | 1997-04-11 | 1998-10-27 | Toshiba Mach Co Ltd | Gantry machine tool |
| JP4585018B2 (en) * | 2008-08-04 | 2010-11-24 | 住友重機械工業株式会社 | Stage equipment |
| TWM392029U (en) * | 2010-07-09 | 2010-11-11 | Awea Mechantronic Co Ltd | Beam column type crane machine center |
| CN104369047B (en) * | 2014-10-16 | 2016-08-17 | 成都飞机工业（集团）有限责任公司 | The balance system of the double column lathe in gantry |
| CN104924084B (en) * | 2015-06-02 | 2017-04-26 | 东莞泽鑫数控机床有限公司 | Gantry turning-milling compound structure |
| CN105397501B (en) * | 2015-12-26 | 2017-11-10 | 项智锋 | A kind of numerical control machining center frame |
| TWM527803U (en) * | 2016-03-24 | 2016-09-01 | Land America Health & Fitness Co Ltd | Exercise bike frame laser cutting equipment |
-
2017
- 2017-03-28 JP JP2017062240A patent/JP6813406B2/en active Active
-
2018
- 2018-02-27 CN CN201810163945.3A patent/CN108655756B/en active Active
- 2018-03-01 TW TW107106772A patent/TWI658894B/en active
- 2018-03-06 KR KR1020180026285A patent/KR102413400B1/en active IP Right Grant
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010173026A (en) * | 2009-01-30 | 2010-08-12 | Sumitomo Heavy Ind Ltd | Planer type machine tool |
| CN201455664U (en) * | 2009-07-08 | 2010-05-12 | 台州职业技术学院 | Horizontal machining center column |
| CN203330698U (en) * | 2013-07-16 | 2013-12-11 | 大连理工大学 | Stand column structure of numerically-controlled machine tool or machining center |
| CN203542059U (en) * | 2013-11-14 | 2014-04-16 | 济南星辉数控机械科技有限公司 | Numerical control three-dimensional carving machine tool portal framework |
| CN205254549U (en) * | 2015-12-30 | 2016-05-25 | 浙江纳迪克数控设备有限公司 | Firm center pillar for processing |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018164952A (en) | 2018-10-25 |
| TWI658894B (en) | 2019-05-11 |
| CN108655756B (en) | 2020-12-22 |
| KR20180109682A (en) | 2018-10-08 |
| TW201836756A (en) | 2018-10-16 |
| KR102413400B1 (en) | 2022-06-24 |
| JP6813406B2 (en) | 2021-01-13 |
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