CN104551136A - Special milling machine tool - Google Patents
Special milling machine tool Download PDFInfo
- Publication number
- CN104551136A CN104551136A CN201310476026.9A CN201310476026A CN104551136A CN 104551136 A CN104551136 A CN 104551136A CN 201310476026 A CN201310476026 A CN 201310476026A CN 104551136 A CN104551136 A CN 104551136A
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- China
- Prior art keywords
- motor
- machine tool
- milling machine
- lead screw
- special milling
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
-
- 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
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
-
- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention provides a special milling machine tool which comprises a machine base, a linear guide rail pair and a lead screw pair, wherein the linear guide rail pair is fixed on the machine base, and the lead screw pair is arranged on the machine base and parallel to the linear guide rail pair; a workbench is arranged on a guide rail sliding block of the linear guide rail pair and nuts of the lead screw pair, and a fixing frame and a first motor are arranged on the workbench; a vertical milling head is fixedly arranged on the fixing frame, and the power output end of the first motor is connected with the power input end of the vertical milling head through a coupler; a transmission mechanism is arranged at one end of the lead screw pair and driven by a second motor fixed on the machine base. The whole special milling machine tool is placed on a base of a forging press, and the vertical milling head can be driven by a hydraulic motor with low rotation speed as the first motor, so that a main transmission system is not required to be equipped with a speed reducer. The special milling machine tool has the advantages of being simple in whole structure, light in dead weight, low in cost, small in resistance relative to the movement of the forging press, and flexible in movement. The special milling machine tool can repair the planes of the base of the forging press on the two sides through the rotation of the workbench, so that the working efficiency is high.
Description
Technical field
The present invention relates to a kind of forging press base prosthetic appliance, particularly relate to a kind of special milling machine tool.
Background technology
Forging press is the equipment of metal and mechanical cold working, applies pressure to metal stock, makes metal stock produce plastic deformation and has certain mechanical performance, definite shape and size to obtain.The base of forging press impacts through long-term at work, and seating plane can produce distortion, and distortion causes forging press accurately cannot to be located the blank that will forge and press, and therefore, needs the base of forging press to repair.
In prior art, carry out on large-scale planer-type milling machine to the reparation of the base of forging press, planer-type milling machine entirety is placed on base, with the upper working face of the patrix of forging press for benchmark, the distance of upper working face to the guide pass of planer-type milling machine of the patrix of forging press is measured with the dial gauge of belt length extension bar, utilize adjustment screw to regulate planer-type milling machine, make the guide rail of planer-type milling machine parallel with the upper working face of the patrix of forging press, error is not more than 0.02mm.After planer-type milling machine is adjusted, milling is carried out to the relevant position of the base of forging press, completes the reparation of the relevant position of the base of forging press; Afterwards, mobile gantry milling machine, repeats above step, then repairs other plane of forging press base, until the whole table top of forging press base is repaired complete.Above in the whole repair process of forging press base, the workload of mobile gantry milling machine, adjustment planer-type milling machine is very large, has a strong impact on the operating efficiency of the reparation of the base of forging press.In addition, planer-type milling machine bulky, expensive, thus make the rehabilitation cost of the base of forging press high, make forging press use the maintenance cost of producer high, use producer to cause very large financial burden to forging press.
Summary of the invention
The shortcoming of prior art in view of the above, the technical problem to be solved in the present invention is to provide a kind of compact, use flexibly, effectively can carry out the reparation of forging press base and the high special milling machine tool of operating efficiency, to overcome the above-mentioned defect of prior art.
In order to solve the problems of the technologies described above, the invention provides a kind of special milling machine tool, comprise support, the line slideway auxiliary be fixed on described support, be located at lead screw pair on described support and parallel with described line slideway auxiliary, end mill head, the guide rail slide block of described line slideway auxiliary and the nut of described lead screw pair are provided with workbench, described workbench is provided with for the fixed mount of fixing described end mill head and provides the first motor of power for described end mill head, and the clutch end of described first motor is connected by the power intake of shaft coupling with described end mill head; One end of described lead screw pair is provided with the transmission mechanism driven by the second motor, and described transmission mechanism drives the leading screw of described lead screw pair, drives described workbench and described end mill head to do linear reciprocating motion along described line slideway auxiliary by the nut on described leading screw.
Preferably, described support comprises an elongate steel plate, and the corner of described elongate steel plate is respectively equipped with an adjustment screw, is provided with the adjustment screw regulating described support upper-lower position in described adjustment screw.
Preferably, described workbench be in the horizontal direction can 360 ° rotate rotary tables, comprise the bottom plate be fixed together with the nut of the guide rail slide block of described line slideway auxiliary, described lead screw pair, and be fixed on the mounting plate above described bottom plate; The top of described mounting plate is provided with can 360 ° of revolution supporting plates rotated in the horizontal direction, and described revolution supporting plate is provided with the revolution screw be fixed together with described mounting plate, and described first motor, fixed mount are all fixed on described revolution supporting plate.
Preferably, described line slideway auxiliary is two covers, and described lead screw pair is a set of, and described lead screw pair is located between described two cover guideways.
Preferably, described first motor is hydraulic motor; Described second motor is motor, is provided with the decelerator being fixed on described support between the clutch end of described motor and the power intake of described transmission mechanism.
Preferably, described motor is fixed on described decelerator.
Preferably, described lead screw pair is ball guide screw nat.
Preferably, the clutch end of described end mill head is provided with facing cutter.
Preferably, described decelerator is worm type of reduction gearing.
Preferably, described transmission mechanism is gear drive.
As mentioned above, a kind of special milling machine tool of the present invention, has following beneficial effect:
The present invention can be placed on the base of forging press by the fixing entirety of support and forging press base, end mill head adopts fluid motor-driven, thus main transmission need not configure deceleration device, overall structure is simple, and volume ratio planer-type milling machine is much smaller, therefore conduct oneself with dignity very light, not only cost is low, and little relative to the resistance of forging press movement, flexibly mobile, the present invention can be repaired by the plane of the revolution of workbench to the forging press base of its both sides, and therefore operating efficiency is high.
Accompanying drawing explanation
Fig. 1 be shown as a kind of special milling machine tool of the present invention remove decelerator and motor after schematic front view.
Fig. 2 is shown as the K of Fig. 1 to schematic diagram.
Fig. 3 is shown as the schematic top plan view of the transmission mechanism of a kind of special milling machine tool of the present invention and decelerator, motor part.
Element numbers explanation
1 end mill head 2 facing cutter
3 fixed mount 4 supports
5 line slideway auxiliary 6 feed screw nut brackets
7 adjustment screw 8 bottom plates
9 mounting plate 10 pinions
11 second motor 12 decelerators
13 gear wheel 14 reducer stents
15 first leading screw supporting seats 16 turn round screw
17 revolution supporting plate 18 first motors
19 first motor bracket 20 shaft couplings
21 lead screw pair 22 second leading screw supporting seats
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this description can understand other advantages of the present invention and effect easily.
Refer to Fig. 1 to Fig. 3.Notice, structure, ratio, size etc. that this description institute accompanying drawings illustrates, content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this description as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
As Fig. 1, Fig. 2, shown in Fig. 3, the invention provides a kind of special milling machine tool, comprise support 4, be fixed on the line slideway auxiliary 5 on described support 4, be located at lead screw pair 21 on described support 4 and parallel with described line slideway auxiliary 5, end mill head 1, the guide rail slide block of described line slideway auxiliary 5 and the nut of described lead screw pair 21 are provided with workbench, described workbench is provided with for the fixed mount 3 of fixing described end mill head 1 and provides the first motor 18 of power for described end mill head 1, the clutch end of described first motor 18 is connected with the power intake of described end mill head 1 by shaft coupling 20, one end of described lead screw pair 21 is provided with the transmission mechanism driven by the second motor 11, described transmission mechanism drives the leading screw of described lead screw pair 21, drives described workbench and described end mill head 1 to do linear reciprocating motion along described line slideway auxiliary 5 by the nut (i.e. the nut of described lead screw pair 21) on described leading screw.
Light as much as possible in order to make special milling machine tool of the present invention conduct oneself with dignity, so that move flexibly, described support 4 of the present invention is designed to the form of an elongate steel plate, and can establish the fabrication hole not affecting its intensity, rigidity in elongate steel plate, to alleviate the deadweight of support further.Be respectively equipped with an adjustment screw in the corner of described elongate steel plate, in described adjustment screw, be provided with the adjustment screw 7 regulating described support 4 upper-lower position.
Described workbench be in the horizontal direction can 360 ° rotate rotary tables, comprise the bottom plate 8 be fixed together with the guide rail slide block of described line slideway auxiliary 5, the nut of described lead screw pair 21, and be fixed on the mounting plate 9 above described bottom plate 8; The top of described mounting plate 9 is provided with can 360 ° of revolution supporting plates 17 rotated in the horizontal direction, described revolution supporting plate 17 is provided with the revolution screw 16 be fixed together with described mounting plate 9, and described first motor 18, fixed mount 3 are all fixed on described revolution supporting plate 17.Nut and a feed screw nut bracket 6 of wherein said lead screw pair 21 are fixed, and described feed screw nut bracket 6 is fixed with described bottom plate 8 again, thus realizes the nut of described lead screw pair 21 and the fixing of described bottom plate 8.Described revolution supporting plate 17 is provided with the first motor bracket 19, and described first motor 18 is fixed on described first motor bracket 19, thus realizes fixing between described first motor 18 and described revolution supporting plate 17.
Described line slideway auxiliary 5 of the present invention is two covers, and described lead screw pair 21 is a set of, and described lead screw pair 21 is located between described two cover guideways 5.The load-bearing of two cover guideways 5 end mill head 1, first motor 18 etc. on workbench of the present invention and workbench is the mobile guide of workbench simultaneously; Lead screw pair 21 moves along guideway 5 for driving workbench of the present invention, drives end mill head 1 to move as reciprocating linear.
The main transmission of general conventional machine tool often adopts motor to drive, specific to special grinding machine of the present invention, for the reparation to forging press base, certainly will also need a set of deceleration device is installed, the total weight of deceleration device and motor can not be less than 100kg, such weight acts on workbench of the present invention, deadweight of the present invention can be made very large, cause movable workbench, rotation resistance very large, have a strong impact on normal work of the present invention, make adjustment difficulty of the present invention large, affect operating efficiency of the present invention.In order to eliminate above-mentioned drawback, described first motor 18 of main transmission of the present invention adopts hydraulic motor, the hydraulic motor weight of installing on the table only has 7.5kg, be connected with circuit apparatus for hydraulic by flexible pipe, namely hydraulic part is separated with mechanical part, thus make the load-bearing of workbench design with conventional machine tool compared with greatly alleviate, thus deadweight of the present invention is little, movable workbench, the resistance rotated is little, and hydraulic motor can stepless time adjustment within the scope of 7 ~ 375r/min, therefore, main transmission of the present invention does not need to configure deceleration device again, more ensure that deadweight of the present invention is little, also have the torque of hydraulic motor to reach 300Nmm, power can reach 10Kw, and therefore the rotating speed of the present invention's not only Milling Process is low, and has large, the high-power advantage of moment of torsion.
Because ball guide screw nat has transmission efficiency high (reaching 85%-98%), highly sensitive (without vibration, without creeping, synchronism is good), positioning precision is high (can realize gapless driving, rigidity is strong, temperature rise is little), long service life (is more than 4 times of common lead screw, wear and tear little, precision keeps the phase long) advantage, and use, lubrication and easy to maintenance, reliable; Can reverse transmission, not self-locking.Although higher relative to trapezoidal screw price, still well, therefore, described lead screw pair 21 of the present invention adopts ball guide screw nat to cost performance.The two ends of the leading screw of described lead screw pair 21 be arranged on respectively by bearing be fixed on described support 4 the first leading screw supporting seat 15 and the second leading screw supporting seat 22 in.
The clutch end of described end mill head 1 of the present invention is provided with facing cutter 2, and for realizing the milling reparation to forging press base, the diameter of described facing cutter 2 is preferably 125mm or 160mm, to guarantee, by fluid motor-driven, to ensure milling efficiency simultaneously.
Described second motor 11 of the present invention is motor, is provided with the decelerator 12 being fixed on described support between the clutch end of described motor and the power intake of described transmission mechanism.Because the gearratio of worm type of reduction gearing is large, described decelerator 12 of the present invention adopts worm type of reduction gearing, to reach large slowing effect, decelerator 12 of the present invention is fixed on one speed reducer support 14, described reducer stent 14 is fixed on described support 4, thus realizing the fixing of described decelerator 12 and described support 4, described motor (i.e. described second motor 11) is fixed on described decelerator 12.Described transmission mechanism of the present invention is gear drive, one pinion 10 of the gear wheel 13 comprising the one end of the leading screw being fixed on described lead screw pair 21 and the clutch end being fixed on described decelerator 12, makes the driving of described decelerator 12 to described lead screw pair 21 further be slowed down by pinion 10 and the gearratio of gear wheel 13.
Using method of the present invention is as follows:
When repairing forging press base, first special milling machine tool entirety of the present invention is placed on forging press base, the support 4 of special milling machine tool of the present invention is made to be seated on forging press base, with the upper working face of the patrix of forging press for benchmark, the distance between the upper working face of the patrix of forging press and the guide pass of special milling machine tool of the present invention is measured with the dial gauge of belt length extension bar, adjustment screw 7 pairs of supports 4 are utilized to adjust, make the guide pass of special milling machine tool of the present invention parallel with the upper working face of the patrix of forging press, error is not more than 0.02mm, then fix with forging press base with the support 4 of pressing plate by special milling machine tool of the present invention.
Adjustment end mill head 1, makes the depth of cut of the coverlay to be repaired of facing cutter 2 pairs of forging press bases meet the requirements; Then start the first motor 18, make facing cutter 2 in running order; Restart the second motor 11, make lead screw pair 21 drive movable workbench, make the forging press base of the facing cutter 2 of end mill head 1 lower end to the side of special milling machine tool of the present invention carry out plane reparation.After reparation, operation end mill head 1 drives facing cutter 2 upwards to regain; Unclamp revolution screw 16, rotate revolution supporting plate 17, revolution supporting plate 17 is made to drive end mill head 1 and facing cutter 2 to do 180 ° of rotations around mounting plate 9 in the horizontal direction, end mill head 1 and facing cutter is made to be in the opposite side of special milling machine tool of the present invention, tighten revolution screw 16 again, revolution supporting plate 17 and mounting plate 9 are fixed together, and then tool setting is carried out to facing cutter 2, start the first motor 18 afterwards, restart the second motor 11, make the forging press base of the facing cutter 2 of end mill head 1 lower end to the opposite side of special milling machine tool of the present invention carry out plane reparation.
After the plane of the forging press base of the both sides of special milling machine tool of the present invention is repaired, open pressing plate, by relative for special milling machine tool of the present invention forging press base displacement, repeat above-mentioned steps more afterwards, plane reparation is carried out to other position of forging press base, until whole forging press base plane is repaired complete.
To in the whole repair process of forging press base, the area will repaired because of forging press base is at about 1000mm × 1800mm, whole repair process special milling machine tool of the present invention will move and repeatedly just can complete, therefore the workload moving, adjust special milling machine tool of the present invention is very large, the design of rotary table of the present invention, forging press base is repaired as much as possible after once adjusting, make workload that is mobile, that adjust special milling machine tool of the present invention few as much as possible, make the operating efficiency of the reparation to forging press base high.
In sum, special milling machine tool of the present invention from heavy and light, good rigidly, precision is high, rotating speed is low, moment of torsion is large, overall structure is simple, and not only production cost is low, and little relative to the resistance of forging press movement, mobile flexible.The present invention can be repaired by the plane of the revolution of workbench to the forging press base of its both sides, and therefore operating efficiency is high.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. a special milling machine tool, it is characterized in that, comprise support, end mill head, the line slideway auxiliary be fixed on described support, be located at lead screw pair on described support and parallel with described line slideway auxiliary, the guide rail slide block of described line slideway auxiliary and the nut of described lead screw pair are provided with workbench, described workbench is provided with for the fixed mount of fixing described end mill head and provides the first motor of power for described end mill head, and the clutch end of described first motor is connected by the power intake of shaft coupling with described end mill head; One end of described lead screw pair is provided with the transmission mechanism driven by the second motor, and described transmission mechanism drives the leading screw of described lead screw pair, drives described workbench and described end mill head to do linear reciprocating motion along described line slideway auxiliary by the nut on described leading screw.
2. special milling machine tool according to claim 1, it is characterized in that: described support comprises an elongate steel plate, the corner of described elongate steel plate is respectively equipped with an adjustment screw, is provided with the adjustment screw regulating described support upper-lower position in described adjustment screw.
3. special milling machine tool according to claim 1 and 2, it is characterized in that: described workbench be in the horizontal direction can 360 ° rotate rotary tables, comprise the bottom plate be fixed together with the nut of the guide rail slide block of described line slideway auxiliary, described lead screw pair, and be fixed on the mounting plate above described bottom plate; The top of described mounting plate is provided with can 360 ° of revolution supporting plates rotated in the horizontal direction, and described revolution supporting plate is provided with the revolution screw be fixed together with described mounting plate, and described first motor, described fixed mount are all fixed on described revolution supporting plate.
4. special milling machine tool according to claim 1, is characterized in that: described line slideway auxiliary is two covers, and described lead screw pair is a set of, and described lead screw pair is located between described two cover guideways.
5. special milling machine tool according to claim 1, is characterized in that: described first motor is hydraulic motor; Described second motor is motor, is provided with the decelerator being fixed on described support between the clutch end of described motor and the power intake of described transmission mechanism.
6. special milling machine tool according to claim 5, is characterized in that: described motor is fixed on described decelerator.
7. special milling machine tool according to claim 1, is characterized in that: described lead screw pair is ball guide screw nat.
8. special milling machine tool according to claim 1, is characterized in that: the clutch end of described end mill head is provided with facing cutter.
9. special milling machine tool according to claim 1, is characterized in that: described decelerator is worm type of reduction gearing.
10. special milling machine tool according to claim 1, is characterized in that: described transmission mechanism is gear drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310476026.9A CN104551136A (en) | 2013-10-12 | 2013-10-12 | Special milling machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310476026.9A CN104551136A (en) | 2013-10-12 | 2013-10-12 | Special milling machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104551136A true CN104551136A (en) | 2015-04-29 |
Family
ID=53068787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310476026.9A Pending CN104551136A (en) | 2013-10-12 | 2013-10-12 | Special milling machine tool |
Country Status (1)
| Country | Link |
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| CN (1) | CN104551136A (en) |
Citations (10)
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|---|---|---|---|---|
| US2816487A (en) * | 1948-09-16 | 1957-12-17 | Kearney & Trecker Corp | Milling machine |
| DE1241231B (en) * | 1959-03-11 | 1967-05-24 | Hans Deckel Dr Ing | Interchangeable spindle head for machine tools |
| JPS5828442A (en) * | 1981-08-12 | 1983-02-19 | Meidensha Electric Mfg Co Ltd | Self-traveling type machining device |
| CN2923128Y (en) * | 2006-06-27 | 2007-07-18 | 大连机床集团有限责任公司 | Column moving type milling-turning machine tool |
| CN200963706Y (en) * | 2006-11-09 | 2007-10-24 | 哈尔滨汽轮机厂有限责任公司 | Slotter for modifying steam turbine cylinder in situ |
| US20080253876A1 (en) * | 2007-04-10 | 2008-10-16 | Erowa Ag | Handling Manipulator Assembly |
| CN201179603Y (en) * | 2007-04-23 | 2009-01-14 | 章富林 | Horizontal and vertical boring-mill processing center |
| CN201309155Y (en) * | 2008-07-17 | 2009-09-16 | 浙江天煌科技实业有限公司 | Four-degree of freedom mechanical hand capable of moving straight |
| CN202185623U (en) * | 2011-07-25 | 2012-04-11 | 浙江扬帆通用机械制造有限公司 | Mobile ground vertical milling machine |
| CN202667753U (en) * | 2012-07-11 | 2013-01-16 | 葛洲坝集团第二工程有限公司 | Device for processing gate water seal seat board |
-
2013
- 2013-10-12 CN CN201310476026.9A patent/CN104551136A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2816487A (en) * | 1948-09-16 | 1957-12-17 | Kearney & Trecker Corp | Milling machine |
| DE1241231B (en) * | 1959-03-11 | 1967-05-24 | Hans Deckel Dr Ing | Interchangeable spindle head for machine tools |
| JPS5828442A (en) * | 1981-08-12 | 1983-02-19 | Meidensha Electric Mfg Co Ltd | Self-traveling type machining device |
| CN2923128Y (en) * | 2006-06-27 | 2007-07-18 | 大连机床集团有限责任公司 | Column moving type milling-turning machine tool |
| CN200963706Y (en) * | 2006-11-09 | 2007-10-24 | 哈尔滨汽轮机厂有限责任公司 | Slotter for modifying steam turbine cylinder in situ |
| US20080253876A1 (en) * | 2007-04-10 | 2008-10-16 | Erowa Ag | Handling Manipulator Assembly |
| CN201179603Y (en) * | 2007-04-23 | 2009-01-14 | 章富林 | Horizontal and vertical boring-mill processing center |
| CN201309155Y (en) * | 2008-07-17 | 2009-09-16 | 浙江天煌科技实业有限公司 | Four-degree of freedom mechanical hand capable of moving straight |
| CN202185623U (en) * | 2011-07-25 | 2012-04-11 | 浙江扬帆通用机械制造有限公司 | Mobile ground vertical milling machine |
| CN202667753U (en) * | 2012-07-11 | 2013-01-16 | 葛洲坝集团第二工程有限公司 | Device for processing gate water seal seat board |
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Application publication date: 20150429 |
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