CN104985462B - A kind of fixture for being exclusively used in channel-shaped workpiece - Google Patents

A kind of fixture for being exclusively used in channel-shaped workpiece Download PDF

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Publication number
CN104985462B
CN104985462B CN201510418849.5A CN201510418849A CN104985462B CN 104985462 B CN104985462 B CN 104985462B CN 201510418849 A CN201510418849 A CN 201510418849A CN 104985462 B CN104985462 B CN 104985462B
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China
Prior art keywords
channel
shaped workpiece
fixture
clamping
connecting plate
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Application number
CN201510418849.5A
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Chinese (zh)
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CN104985462A (en
Inventor
叶青健
刘世泉
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Foshan Pratic CNC Science and Technology Co Ltd
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Foshan Pratic CNC Science and Technology Co Ltd
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Priority to CN201510418849.5A priority Critical patent/CN104985462B/en
Publication of CN104985462A publication Critical patent/CN104985462A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/08Work-clamping means other than mechanically-actuated
    • B23Q3/082Work-clamping means other than mechanically-actuated hydraulically actuated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • B23Q3/065Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means
    • B23Q2703/04Work clamping means using fluid means or a vacuum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means
    • B23Q2703/10Devices for clamping workpieces of a particular form or made from a particular material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

A kind of fixture for being exclusively used in channel-shaped workpiece;Including the base and clamp assemblies, the clamp assemblies include connecting plate, fixing axle, clamping plate, positioning briquetting, fishbolt and push-tight cylinder;Two connecting plates are set in parallel in the base, and two fixing axles are set in parallel between two connecting plates, and the position relationship between fixing axle and connecting plate is to be mutually perpendicular to;The two ends of the clamping plate are slidably serially connected in two fixing axles respectively, and some clamping plates are arranged between two connecting plates.The front and back sides of clamping plate limit motion of the channel-shaped workpiece in fore-and-aft direction;Positioning briquetting and fishbolt limit motion of the channel-shaped workpiece in vertical direction, connecting plate push-tight are carried into motion of the channel-shaped workpiece in left and right directions to connecting plate together, is limited finally by push-tight cylinder, clamping is stable, convenient processing.

Description

A kind of fixture for being exclusively used in channel-shaped workpiece
Technical field
The present invention relates to field of fixture equipment, particularly a kind of fixture for being exclusively used in channel-shaped workpiece.
Background technology
With the development of Numeric Control Technology, the parts machining of many products is all machined by Digit Control Machine Tool, one on lathe As need installs fixture come clamping channel-shaped workpiece or guiding cutter, its effect is to position workpiece so that channel-shaped workpiece acquisition phase Reliably clamped for the correct position of lathe and cutter, and by channel-shaped workpiece.In the processing of channel-shaped workpiece, channel-shaped workpiece one As be to carry out clampings using the double fixed clamp fixtures of the right and left cylinder, when channel-shaped workpiece is processed, only by the radial direction of Y-direction Z-direction play axially easily occurs for chucking power, channel-shaped workpiece, influences the precision of processing.Further, since the clamping of channel-shaped workpiece Contact surface is small, if increasing radial direction chucking power, channel-shaped workpiece is by it is possible that crushing problem, makes the processing of channel-shaped workpiece not smart Close, its product qualified rate is not also high.
The content of the invention
For drawbacks described above, it is an object of the invention to propose a kind of fixture for being exclusively used in channel-shaped workpiece.
For up to this purpose, the present invention uses following technical scheme:
A kind of fixture for being exclusively used in channel-shaped workpiece;Including base and clamp assemblies, the clamp assemblies include connecting plate, consolidated Dead axle, clamping plate, positioning briquetting, fishbolt and push-tight cylinder;
Two connecting plates are set in parallel in the base, and two fixing axles are set in parallel in two connections Between plate, and position relationship between fixing axle and connecting plate is is mutually perpendicular to;Slidably go here and there respectively at the two ends of the clamping plate It is connected in two fixing axles, some clamping plates are arranged between two connecting plates;
The clamping plate is the tabular constituted with leading flank, trailing flank, left surface, right flank, upper side and downside Structure, the positioning briquetting is the L-shaped structure being made of one piece by lateral blocks and vertical block two parts, the lateral blocks clamp Crossed the corner to be formed in the upper side and left surface, right flank, vertical block is fitted in a corresponding left side for the clamping plate The positioning briquetting is fixed on corresponding left surface or right flank by side or right flank, fishbolt through the vertical block; The push-tight cylinder promotes the direction of some clamping plates connecting plate thereto, by all clamping board clampings.
Further, provided with fastening spring, the fastening spring be sleeved on after the fishbolt sequentially pass through again it is described Channel-shaped workpiece is fixed behind the side of positioning briquetting and clamping plate.
Further, the lateral blocks are made up of two side pawls, the side pawl by described vertical plate one end edge Yan Shui Square formed to after extension, the lateral blocks in horizontal direction are U-shape structure.
Further, back-moving spring is provided between the clamping plate and clamping plate, the back-moving spring is serially connected in described solid Dead axle.
Further, the push-tight cylinder is located at the outside of the connecting plate, and the expansion link of push-tight cylinder passes through the company The connection through hole of fishplate bar is fixedly connected after entering on the inside of connecting plate with nearest clamping plate.
Further, two connecting plates are connected by connecting bolt, and the connecting bolt is penetrated on the outside of connecting plate, and Fixed after being passed from the connecting plate for being provided with the push-tight cylinder by nut.
Further, the clamp assemblies are fixed on the base by rotary cylinder, when fixed, the rotary cylinder The upper surface of levelling block and the connecting plate is extruded, the length of the base according to can set simultaneously two groups or two groups with The specification of upper clamp assemblies is set.
Further, when the clamp assemblies are arranged on the base, the connecting bolt in inner side is set by bearing block Put in the base, the rotary cylinder is arranged on the offside of the bearing block.
Further, the base is provided with through hole, and the through hole is arranged on the lower section of the clamp assemblies.
Beneficial effects of the present invention:Channel-shaped workpiece is while upper side and downside of the clamping in clamping plate, clamping is in upside During face, channel-shaped workpiece is directly tipped upside down on clamping plate, the interior concave bottom surface of channel-shaped workpiece is contacted with the upper side of clamping plate, groove Two vertical inner walls of shape workpiece are contacted with leading flank and trailing flank respectively to be adjacent to;Again with positioning briquetting by the left and right two of channel-shaped workpiece Side is clamped, and the outer bottom of the lateral blocks of positioning briquetting and the channel-shaped workpiece of back-off is adjacent to, vertical block and corresponding left surface or the right side Contacts side surfaces are adjacent to, and the positioning briquetting of L-shaped is installed on the upper side and left surface or right flank and crossed the corner to be formed, then The positioning briquetting is fixed on corresponding left surface or right flank by fishbolt through the vertical block;Clamping plate Front and back sides limit motion of the channel-shaped workpiece in fore-and-aft direction;Positioning briquetting and fishbolt limit channel-shaped workpiece vertical The motion in direction, channel-shaped workpiece is carried in left and right finally by push-tight cylinder by connecting plate push-tight to connecting plate together, is limited The motion in direction, clamping is stable, convenient processing.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the present of invention;
Fig. 2 is the partial enlarged drawing of part A in Fig. 1;
Fig. 3 is the scheme of installation of channel-shaped workpiece and clamping plate in the present invention;
Fig. 4 is the top view of one embodiment of the present of invention.
Wherein:Base 1;
Connecting plate 201, fixing axle 202;Clamping plate 203, leading flank 2031, right flank 2032, upper side 2033;Positioning Briquetting 204, lateral blocks 2041, vertical block 2042;Fishbolt 205, push-tight cylinder 206, connecting bolt 207;
Channel-shaped workpiece 3, fastening spring 4, side pawl 5, rotary cylinder 7, bearing block 8, through hole 9.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
As shown in Figure 1, Figure 2 and shown in Fig. 4, a kind of fixture for being exclusively used in channel-shaped workpiece;
Including base 1 and clamp assemblies,
The clamp assemblies include connecting plate 201, fixing axle 202, clamping plate 203, positioning briquetting 204, fishbolt 205 With push-tight cylinder 206;
Two connecting plates 201 are set in parallel in the base 1, and two fixing axles 202 are set in parallel in two Between the connecting plate 201, and position relationship between fixing axle 202 and connecting plate 201 is is mutually perpendicular to;The clamping plate 203 two ends are slidably serially connected in two fixing axles 202 respectively, and some clamping plates 203 are arranged on two connecting plates 201 Between;
As shown in Figures 1 and 3, the clamping plate 203 is with leading flank 2031, trailing flank, left surface, right flank 2032nd, the platy structure of upper side 2033 and downside composition, the positioning briquetting 204 is by lateral blocks 2041 and vertical block The L-shaped structure that 2042 two parts are made of one piece, the lateral blocks 2041 are installed on the upper side 2033 and left surface, the right side 2032 cross the corner to be formed sideways, and vertical block 2042 is fitted in the corresponding left surface or right flank of the clamping plate 203 2032, the positioning briquetting 204 is fixed on corresponding left surface or right flank by fishbolt 205 through the vertical block 2042 2032;The push-tight cylinder 206 promotes the direction of some clamping plates 203 connecting plate 201 thereto, by all dresses Clamping plate 203 is clamped.
Channel-shaped workpiece 3 simultaneously clamping in the upper side 2033 of clamping plate 203 and downside, clamping in upper side 2033, Channel-shaped workpiece 3 is directly tipped upside down on clamping plate 203, makes the interior concave bottom surface of channel-shaped workpiece 3 and the upper side 2033 of clamping plate 203 Contact, two vertical inner walls of channel-shaped workpiece 3 are contacted with leading flank 2031 and trailing flank respectively to be adjacent to;Use positioning briquetting 204 will again The left and right sides of channel-shaped workpiece 3 is clamped, and the lateral blocks 2041 of positioning briquetting 204 and the outer bottom of the channel-shaped workpiece 3 of back-off are adjacent to, Vertical block 2042 is contacted and is adjacent to corresponding left surface or right flank 2032, and the positioning briquetting 204 of L-shaped is installed on the upper side 2033 are crossed the corner to be formed with left surface or right flank 2032, then fishbolt 205 is passed through the vertical block 2042 The positioning briquetting 204 is fixed on corresponding left surface or right flank 2032;The front and back sides limitation of clamping plate 203 Motion of the channel-shaped workpiece 3 in fore-and-aft direction;Positioning briquetting 204 and fishbolt 205 limit channel-shaped workpiece 3 in vertical side To motion, finally by push-tight cylinder 206 by the push-tight of connecting plate 203 to together, limit connecting plate 203 carry channel-shaped workpiece 3 left and right directions motion.
Provided with fastening spring 4, the fastening spring 4 sequentially passes through the positioning again after being sleeved on the fishbolt 205 Channel-shaped workpiece 3 is fixed behind the side of briquetting 204 and clamping plate 203.
Fishbolt 205 is passed through behind positioning briquetting 204, the side of clamping plate 203, and fastening spring 4 is compressed in positioning Between the lid of briquetting 204 and fishbolt 205, spring enhances positioning briquetting by the restoring force that its backward two ends of compression are produced Clamping force between 204 and clamping plate 203, it is ensured that the stability of clamping.
The lateral blocks 2041 are made up of two side pawls 5, the side pawl 5 by described one end of vertical plate 2042 edge Yan Shui Square formed to after extension, the lateral blocks 2041 in horizontal direction are U-shape structure.
The structure of entire plate is replaced with two side pawls 5, the contact area of lateral blocks 2041 and channel-shaped workpiece 3 is reduced, In the case that power is suitable, pressure is added, while avoiding damage of the power to the surface of channel-shaped workpiece 3 during clamping.
Back-moving spring is provided between the clamping plate 203 and clamping plate 203, the back-moving spring is serially connected in the fixing axle 202.When clamping plate 203 is clamped, clamping plate 203 extrudes back-moving spring therebetween with clamping plate 203, and the back-moving spring compressed is Restoring force produced by recovering deformation is acted on the clamping plate 203 of its both sides, is improved steady when clamping plate 203 is clamped It is qualitative;On the other hand, when channel-shaped workpiece 3 needs unloading after machining, after the expansion link retraction of push-tight cylinder 206, clamping plate 203 are flicked under the restoring force effect of back-moving spring so that have gap cooperation between each clamping plate 203.
The push-tight cylinder 206 is located at the outside of the connecting plate 201, and the expansion link of push-tight cylinder 206 passes through the company The connection through hole of fishplate bar 201 is fixedly connected after entering the inner side of connecting plate 201 with nearest clamping plate 203.Propulsion cylinder 206 is set Put in the outside of connecting plate 201, be easily installed, and more fully make use of the inner space of connecting plate 201 to be used to set clamping plate 203。
Two connecting plates 201 are connected by connecting bolt 207, and the outside of connecting bolt 207 from the connecting plate 201 is worn Enter, and fixed by nut after being passed from the connecting plate 201 for being provided with the push-tight cylinder 206.
Push-tight cylinder 206 promotes all clamping plates 203 to the connecting plate 201 of offside, and all clamping plates 203 are clamped, This connecting plate 201 is also by the motive force from connecting plate 201, in the technical program, and bolt is inserted from this end, prevents final Fixed nut loosens or come off in the presence of above-mentioned motive force, it is ensured that the use of fixture.
The clamp assemblies are fixed on the base 1 by rotary cylinder 7, when fixed, the level of the rotary cylinder 7 The upper surface of briquetting and the connecting plate 201 is extruded, and the length of the base 1 is according to can set two groups simultaneously and the above is pressed from both sides The specification for holding component is set.
By the fixed clamp component of rotary cylinder 7, limitation clamp assemblies are in the motion of vertical direction, clamping stabilization;It is straight again Connect base 1 being put on lathe and workpiece is processed, convenient operation.
When the clamp assemblies are arranged on the base 1, the connecting bolt 207 in inner side is arranged on by bearing block 8 The base 1, the rotary cylinder 7 is arranged on the offside of the bearing block 8.
One group of clamp assemblies is arranged on base 1, and channel-shaped workpiece 3 is separately fixed to the upper and lower side of clamping plate 203, processing When, it will first be machined in conplane channel-shaped workpiece 3, then rotary cylinder 7 is unclamped, whole clamp assemblies are lifted, So that bearing of the connecting bolt 207 in bearing block 8 is rotated after 180 degree, the unprocessed channel-shaped in lower flat before Upper plane is arrived in the displacement of workpiece 3, can proceed processing, and the workpiece processed is in lower flat.
The base 1 is provided with through hole 9, and the through hole 9 is arranged on the lower section of the clamp assemblies.The useless of processing generation cuts expense Slag is fallen on row's turning device of lathe by through hole 9, easy cleaning.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's Principle, and limiting the scope of the invention can not be construed in any way.Based on explanation herein, the technology of this area Personnel, which would not require any inventive effort, can associate other embodiments of the present invention, and these modes are fallen within Within protection scope of the present invention.

Claims (9)

1. a kind of fixture for being exclusively used in channel-shaped workpiece, it is characterised in that:
Including base and clamp assemblies;
The clamp assemblies include connecting plate, fixing axle, clamping plate, positioning briquetting, fishbolt and push-tight cylinder;
Two connecting plates are set in parallel in the base, two fixing axles be set in parallel in two connecting plates it Between, and position relationship between fixing axle and connecting plate is is mutually perpendicular to;The two ends of the clamping plate are slidably serially connected in respectively In two fixing axles, some clamping plates are arranged between two connecting plates;
The clamping plate is the platy structure constituted with leading flank, trailing flank, left surface, right flank, upper side and downside, The positioning briquetting is the L-shaped structure being made of one piece by lateral blocks and vertical block two parts, and the lateral blocks are installed on institute State upper side and left surface, right flank to cross the corner to be formed, vertical block is fitted in the corresponding left surface of the clamping plate Or right flank, the positioning briquetting is fixed on corresponding left surface or right flank by fishbolt through the vertical block;It is described Push-tight cylinder promotes the direction of some clamping plates connecting plate thereto, by all clamping board clampings.
2. a kind of fixture for being exclusively used in channel-shaped workpiece according to claim 1, it is characterised in that:Provided with fastening spring, institute Fastening spring is stated to be sleeved on channel-shaped work behind the side for sequentially passing through the positioning briquetting and clamping plate after the fishbolt again Part is fixed.
3. a kind of fixture for being exclusively used in channel-shaped workpiece according to claim 1, it is characterised in that:The lateral blocks are by two Side pawl composition, the side pawl by the edge of described vertical plate one end it is horizontally extending after formed, it is described in horizontal direction Lateral blocks are U-shape structure.
4. a kind of fixture for being exclusively used in channel-shaped workpiece according to claim 1, it is characterised in that:The clamping plate and clamping Back-moving spring is provided between plate, the back-moving spring is serially connected in the fixing axle.
5. a kind of fixture for being exclusively used in channel-shaped workpiece according to claim 1, it is characterised in that:The push-tight cylinder is located at The outside of the connecting plate, after the connection through hole of expansion link through the connecting plate of push-tight cylinder enters on the inside of connecting plate and most Near clamping plate is fixedly connected.
6. a kind of fixture for being exclusively used in channel-shaped workpiece according to claim 5, it is characterised in that:Two connecting plates pass through even Connecting bolt is connected, and the connecting bolt is penetrated on the outside of connecting plate, and is passed from the connecting plate for being provided with the push-tight cylinder Fixed afterwards by nut.
7. a kind of fixture for being exclusively used in channel-shaped workpiece according to claim 6, it is characterised in that:The clamp assemblies pass through Rotary cylinder is fixed on the base, when fixed, the upper surface of the levelling block of the rotary cylinder and the connecting plate Extruding, the length of the base is according to can set the specification of two groups or more clamp assemblies to set simultaneously.
8. a kind of fixture for being exclusively used in channel-shaped workpiece according to claim 7, it is characterised in that:The clamp assemblies are set In the base, the connecting bolt in inner side is arranged on the base by bearing block, and the rotary cylinder is arranged on institute State the offside of bearing block.
9. a kind of fixture for being exclusively used in channel-shaped workpiece according to claim 1 or 7, it is characterised in that:The base is provided with Through hole, the through hole is arranged on the lower section of the clamp assemblies.
CN201510418849.5A 2015-07-16 2015-07-16 A kind of fixture for being exclusively used in channel-shaped workpiece Active CN104985462B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510418849.5A CN104985462B (en) 2015-07-16 2015-07-16 A kind of fixture for being exclusively used in channel-shaped workpiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510418849.5A CN104985462B (en) 2015-07-16 2015-07-16 A kind of fixture for being exclusively used in channel-shaped workpiece

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CN104985462A CN104985462A (en) 2015-10-21
CN104985462B true CN104985462B (en) 2017-08-25

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Publication number Priority date Publication date Assignee Title
CN114055049B (en) * 2021-11-12 2024-02-09 鑫磊压缩机股份有限公司 Welding fixture and method for underframe of screw machine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000094346A (en) * 1998-09-18 2000-04-04 Japan Nuclear Fuel Co Ltd<Jnf> Metallic plate material holding device for analyzing sample cut-off device
CN201889511U (en) * 2010-11-26 2011-07-06 宝钢发展有限公司 Horizontal-type milling clamp with multiple rectangular blocks
CN102069401B (en) * 2010-12-18 2013-01-09 重庆大江工业有限责任公司 Fixture for drilling inflating and discharging holes in hub
CN103639764A (en) * 2013-11-29 2014-03-19 无锡市航鹄科技有限公司 Milling clamp
CN104339199A (en) * 2014-10-08 2015-02-11 哈尔滨汽轮机厂有限责任公司 Clamping device for milling pedestal plate of steam turbine

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Address after: Block 1 and block 3, No. 9, Lexin Avenue, Leping Town, Sanshui District, Foshan City, Guangdong Province

Patentee after: Guangdong Pradi Technology Co., Ltd

Address before: 528137 No. 70, C District, Sanshui Central Industrial Park, Guangdong, Foshan

Patentee before: FOSHAN PRATIC CNC SCIENCE & TECHNOLOGY Co.,Ltd.