CN108620645A - A kind of text wound articles for use imitation workpiece polishing mechanism - Google Patents
A kind of text wound articles for use imitation workpiece polishing mechanism Download PDFInfo
- Publication number
- CN108620645A CN108620645A CN201810915762.2A CN201810915762A CN108620645A CN 108620645 A CN108620645 A CN 108620645A CN 201810915762 A CN201810915762 A CN 201810915762A CN 108620645 A CN108620645 A CN 108620645A
- Authority
- CN
- China
- Prior art keywords
- workpiece polishing
- clamping device
- polishing mechanism
- imitation
- rotation axis
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 82
- 238000005498 polishing Methods 0.000 title claims abstract description 61
- 238000003801 milling Methods 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000227 grinding Methods 0.000 description 20
- 230000033001 locomotion Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C1/00—Milling machines not designed for particular work or special operations
- B23C1/16—Milling machines not designed for particular work or special operations specially designed for control by copying devices
-
- 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
- B23Q3/02—Devices 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
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of text wound articles for use imitation workpiece polishing mechanisms,It is related to text wound production manufacture field,Including mechanism body,The mechanism body includes haulage gear,Clamping device one,Two workpiece polishing mechanism of clamping device,Copy mechanism and rotation axis,The haulage gear,One end of clamping device one and clamping device two is rotatablely connected with rotation axis successively from top to bottom,The imitation mechanism includes draw bar and the straight fork of sliding,The straight fork of sliding has three and is slidably connected with haulage gear,The other end directly pitched that slides is hinged with draw bar,The workpiece polishing mechanism includes center-pole and milling cutter,The workpiece polishing mechanism is set to the centre of clamping device one and clamping device two,It is connected by " u "-shaped support tube between the workpiece polishing mechanism and imitation mechanism,This kind copies workpiece polishing mechanism and the decorative pattern in template can be burnt on mechanical,It is easy to operate,Accuracy is high,The efficiency of polishing can be improved.
Description
Technical field
Production manufacture field is created the present invention relates to literary, and in particular to a kind of text wound articles for use imitation workpiece polishing mechanism.
Background technology:
Cultural brainchild typically pure hand-made when making, making when, need scribing line, engraving, polishing, and one
Slightly mistake will make works fail among denier, therefore in order to improve the success rate of works, and polishing is copied by machinery
Mode, as long as producing template processes desired finished product.
Such as discloses a kind of phone housing polishing production line application No. is CN201720645937.3 and move grinding disc with oneself
Structure;Including board;The top of the board is equipped with protective cover;It is described to move grinding disc structure include grinding disc feeding machanism
With useless grinding disc collecting mechanism;The grinding disc feeding machanism includes at least three gag lever posts, upper barrier plate and pressing plate;It is described
The receiving storehouse of the grinding disc is constituted between upper barrier plate and the pressing plate;The useless grinding disc collecting mechanism includes useless grinding disc
Collection box, grinding clamping jaw of beating up, beat up grinding cylinder and support base.The structure is used from grinding disc structure is moved, machine of polishing
People can be according to setting time, and pneumatic grinding head can be with the old grinding disc of automatic dismantling, the then automatic grinding disc more renewed.It is time saving
It is laborsaving and efficient.But the structure copies polishing it is not disclosed how realizing.
Such as application No. is CN201520292097.8 to disclose a kind of grinding device of wall surface polishing climbing robot, including
Grinding head, polishing motor are connect with rack, are fixedly arranged above lifting motor in polishing motor, lifting motor passes through synchronous with screw rod
Band connection, screw rod are threadedly coupled with sliding block, and sliding block is fixedly connected with polishing lifter plate;The output end of polishing motor passes through keyway knot
Structure connect with grinding head, polishing lifter plate, while being connected with damping spring on grinding head.Grinding head passes through flower by polishing motor
Key cooperation carries out rotation driving, and the lifting of grinding head can be made to beat by lifting motor by screw rod, slider-actuated, while shock-damping structure
Bistrique carries out the upper and lower flexible purpose for realizing shock-absorbing by a small margin at the protruding part for touching wall surface, along lead rod direction, but
It is that the structure copies polishing it is not disclosed how realizing.
Invention content
It is caused by the prior art to solve the purpose of the present invention is to provide a kind of text wound articles for use imitation workpiece polishing mechanism
The above-mentioned defects.
A kind of text wound articles for use imitation workpiece polishing mechanism, including mechanism body, the mechanism body include haulage gear, clamping
Mechanism and rotation axis, the haulage gear, clamping device one and clamping device, are copied at two workpiece polishing mechanism of clamping device by mechanism one
Two one end is rotatablely connected with rotation axis successively from top to bottom, and the imitation mechanism includes draw bar and the straight fork of sliding, the cunning
Dynamic straight fork has three and is slidably connected with haulage gear, and the other end that the sliding is directly pitched and draw bar are hinged, the sander
Structure includes center-pole and milling cutter, and the workpiece polishing mechanism is set to the centre of clamping device one and clamping device two, the workpiece polishing mechanism
It is connect by " u "-shaped support tube between imitation mechanism.
Preferably, the haulage gear includes round sheave and connecting plate one, and the straight fork of sliding, which is slidably connected to, to be led
The inside of lead plate, the connecting plate one are rotatablely connected with rotation axis.
Preferably, include circular clamp disk and connecting plate two on the clamping device one and clamping device two, it is described
Clamping disk is equipped with several lateral fixing nuts and longitudinal clamping nut, and the connecting plate two is rotatablely connected with rotation axis.
Preferably, the lower rotation of the draw bar is equipped with telescopic imitation head.
Preferably, the center-pole is internally provided with the motor with milling cutter axis connection, and the milling cutter is replaceable.
Preferably, the bottom of the rotation axis is equipped with fixed station.
Preferably, the connecting plate one and connecting plate two and the junction of rotation axis are equipped with fastening nut.
The advantage of the invention is that:This kind copies workpiece polishing mechanism, and template is placed on clamping device one and is clamped, it would be desirable to
Mechanical be placed in aid mechanism two of polishing clamps by the way that the decorative pattern in template can be burnt on mechanical to the imitation of template,
Easy to operate, accuracy is high, can improve the efficiency of polishing.
Description of the drawings
Fig. 1 is the front view of the embodiment of the present invention 1.
Fig. 2 is the left view of the embodiment of the present invention 1.
Fig. 3 is the vertical view of haulage gear in the embodiment of the present invention 1.
Fig. 4 is the vertical view of clamping device one in the embodiment of the present invention 1.
Fig. 5 is the schematic diagram that head is copied in the embodiment of the present invention 1.
Fig. 6 is the connection diagram that straight fork and draw bar are slided in the embodiment of the present invention 1.
Fig. 7 is the front view of the embodiment of the present invention 2.
Fig. 8 is the left view of the embodiment of the present invention 2.
Fig. 9 is the vertical view of haulage gear in the embodiment of the present invention 2.
Figure 10 is the vertical view of clamping device one in the embodiment of the present invention 2.
Figure 11 is the schematic diagram that head is copied in the embodiment of the present invention 2.
Figure 12 is the connection diagram that straight fork and draw bar are slided in the embodiment of the present invention 2.
Wherein:1-haulage gear, 2-clamping devices one, 3-clamping devices two, 4-rotation axis, the straight fork of 5-slidings,
6-draw bars, 7-connecting plates one, 8-copy head, and 9-" u "-shaped support tubes, 10-longitudinal clamping nuts, 11-is laterally fixed
Nut, 12-center-poles, 13-milling cutters, 14-connecting plates two, 15-fastening nuts, 16-sheaves, 17-clamping disks, 18-
Fixed station, 19-turntables, 20-calibrating plates.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
Embodiment 1
As shown in Figures 1 to 6, a kind of text wound articles for use imitation workpiece polishing mechanism, including mechanism body, the mechanism body packet
It includes haulage gear 1, clamping device 1,23 workpiece polishing mechanism of clamping device, copy mechanism and rotation axis 4, clamping device 1 and folder
Hold mechanism 23 and be respectively used to clamping template and mechanical, the haulage gear 1, clamping device 1 and clamping device 23 one end
It is rotatablely connected successively with rotation axis 4 from top to bottom, haulage gear 1, clamping device 1 and clamping device 23 can be around rotations
Axis 4 rotates, and the imitation mechanism includes draw bar 6 and the straight fork 5 of sliding, and directly fork 5 has three and slided with haulage gear for the sliding
Dynamic connection, haulage gear 1 limit the motion range of draw bar 6 by sliding straight fork 5, the other end of the straight fork of the sliding 5 with
Draw bar 6 is hinged, and the workpiece polishing mechanism includes center-pole 12 and milling cutter 13, and the workpiece polishing mechanism is set to clamping device 1 and folder
The centre of mechanism 23 is held, is connected by " u "-shaped support tube 9 between the workpiece polishing mechanism and imitation mechanism, workpiece polishing mechanism and imitation
Mechanism eats the guarantee of stay tube 9 by " u "-shaped and links together.
It is worth noting that, the haulage gear 1 includes round sheave 16 and connecting plate 1, directly fork 5 is slided for the sliding
The dynamic inside for being connected to sheave 16, the connecting plate 1 are rotatablely connected with rotation axis 4, and sliding straight fork 5 can be in sheave 16
In arbitrarily slide, ensure enough scopes of activities.
In the present embodiment, the clamping device 1 with include circular clamp disk 17 on clamping device 23 and connect
Plate 2 14, the clamping disk 17 are equipped with several lateral fixing nuts 11 and longitudinal clamping nut 10, the connecting plate 2 14 with
Rotation axis 4 be rotatablely connected, by lateral fixing nut 11 come fixed form and it is mechanical prevent its transverse movement, pass through longitudinal clamping
Nut 10 carrys out fixed form and mechanical prevents its up and down motion.
In the present embodiment, the lower rotation of the draw bar 6 is equipped with telescopic imitation head 8, convenient for facing along template
It imitates.
In the present embodiment, the center-pole 12 is internally provided with the motor with 13 axis connection of milling cutter, and the milling cutter 13 can be more
It changes, milling cutter 13 can be replaced according to the needs of polishing.
In the present embodiment, the bottom of the rotation axis 4 is equipped with fixed station 18, plays the role of supporting regulation.
In addition, the connecting plate 1 and connecting plate 2 14 and the junction of rotation axis 4 are equipped with fastening nut 15, it to be used for position
The fixation set.
Embodiment 2
As shown in Fig. 7 to Figure 12, a kind of text wound articles for use imitation workpiece polishing mechanism, including mechanism body, the mechanism body
Including haulage gear 1, clamping device 1,23 workpiece polishing mechanism of clamping device, copy mechanism and rotation axis 4, one 2 He of clamping device
Clamping device 23 is respectively used to clamping template and mechanical, the haulage gear 1, clamping device 1 and clamping device 23 one
End from top to bottom successively with rotation axis 4 be rotatablely connected, haulage gear 1, clamping device 1 and clamping device 23 can around turn
Moving axis 4 rotates, and the imitation mechanism includes draw bar 6 and the straight fork 5 of sliding, and directly fork 5 has three and and haulage gear for the sliding
It is slidably connected, haulage gear 1 limits the motion range of draw bar 6, the other end for sliding straight fork 5 by sliding straight fork 5
Hinged with draw bar 6, the workpiece polishing mechanism includes center-pole 12 and milling cutter 13, the workpiece polishing mechanism be set to clamping device 1 with
The centre of clamping device 23, the workpiece polishing mechanism and copying are connected by " u "-shaped support tube 9 between mechanism, workpiece polishing mechanism and are faced
Imitate mechanism by " u "-shaped eat stay tube 9 guarantee link together.
It is worth noting that, the haulage gear 1 includes round sheave 16 and connecting plate 1, directly fork 5 is slided for the sliding
The dynamic inside for being connected to sheave 16, the connecting plate 1 are rotatablely connected with rotation axis 4, and sliding straight fork 5 can be in sheave 16
In arbitrarily slide, ensure enough scopes of activities.
In the present embodiment, the clamping device 1 with include circular clamp disk 17 on clamping device 23 and connect
Plate 2 14, the clamping disk 17 are equipped with several lateral fixing nuts 11 and longitudinal clamping nut 10, the connecting plate 2 14 with
Rotation axis 4 be rotatablely connected, by lateral fixing nut 11 come fixed form and it is mechanical prevent its transverse movement, pass through longitudinal clamping
Nut 10 carrys out fixed form and mechanical prevents its up and down motion.
In the present embodiment, the lower rotation of the draw bar 6 is equipped with telescopic imitation head 8, convenient for facing along template
It imitates.
In the present embodiment, the center-pole 12 is internally provided with the motor with 13 axis connection of milling cutter, and the milling cutter 13 can be more
It changes, milling cutter 13 can be replaced according to the needs of polishing.
In the present embodiment, the bottom of the rotation axis 4 is equipped with fixed station 18, plays the role of supporting regulation.
In the present embodiment, it is rotatably connected to turntable 19 between the draw bar 6 and imitation head 8, turntable 19 can pass through spiral shell
The elastic fixation of line, turntable 19 can make the contact range bigger of imitation head 8.
In the present embodiment, the clamping device 1 and clamping device 23 are equipped with calibrating plate 20, for by template with
It sees that mechanical position carries out unified fixation, prevents position from having deviation.
In addition, the connecting plate 1 and connecting plate 2 14 and the junction of rotation axis 4 are equipped with fastening nut 15, it to be used for position
The fixation set.
Based on above-mentioned, this kind text wound articles for use imitation workpiece polishing mechanism, including mechanism body, the mechanism body include traction
Mechanism and rotation axis 4, clamping device 1 and clamping device, 23 workpiece polishing mechanism of clamping device, are copied at clamping device 1 by mechanism 1
23 are respectively used to clamping template and mechanical, and haulage gear 1 limits the motion range of draw bar 6 by sliding straight fork 5, polishes
Mechanism and imitation mechanism eat the guarantee of stay tube 9 by " u "-shaped and link together, and the haulage gear 1 is including round sheave 16 and even
Fishplate bar 1, the sliding is straight to pitch 5 inside for being slidably connected to sheave 16, and the connecting plate 1 is rotatablely connected with rotation axis 4,
Directly fork 5 can arbitrarily slide in sheave 16 for sliding, ensure enough scopes of activities, the clamping device 1 and clamping machine
Include circular clamp disk 17 and connecting plate 2 14 on structure 23, the clamping disk 17 is equipped with several lateral fixing nuts 11
Nut 10 is clamped with longitudinal, the connecting plate 2 14 is rotatablely connected with rotation axis 4, by lateral fixing nut 11 come fixed form
Prevent its transverse movement with mechanical, by it is longitudinal be clamped nut 10 come fixed form and it is mechanical prevent its up and down motion, it is described to lead
Draw and be rotatably connected to turntable 19 between bar 6 and imitation head 8, turntable 19 can make imitation by the elastic fixation of screw thread, turntable 19
First 8 contact range bigger, the clamping device 1 and clamping device 23 are equipped with calibrating plate 20, for by template and seeing quarter
The position of plate carries out unified fixation, prevents position from having deviation, this kind copies workpiece polishing mechanism, and template is placed on clamping device one
It clamps, it would be desirable to which mechanical be placed in aid mechanism two of polishing clamps by can carve the decorative pattern in template to the imitation of template
Record is easy to operate on mechanical, and accuracy is high, can improve the efficiency of polishing.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, all things considered are all merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (7)
1. a kind of text wound articles for use include haulage gear (1), folder with workpiece polishing mechanism, including mechanism body, the mechanism body is copied
It holds mechanism one (2), clamping device two (3) workpiece polishing mechanism, copy mechanism and rotation axis (4), which is characterized in that the haulage gear
(1), one end of clamping device one (2) and clamping device two (3) is rotatablely connected with rotation axis (4) successively from top to bottom, described to face
It includes draw bar (6) and the straight fork (5) of sliding to imitate mechanism, and the straight fork (5) of sliding has three and is slidably connected with haulage gear, institute
The other end for stating the straight fork (5) of sliding is hinged with draw bar (6), and the workpiece polishing mechanism includes center-pole (12) and milling cutter (13), institute
The centre that workpiece polishing mechanism is set to clamping device one (2) and clamping device two (3) is stated, is led between the workpiece polishing mechanism and imitation mechanism
Cross " u "-shaped support tube (9) connection.
2. a kind of text wound articles for use imitation workpiece polishing mechanism according to claim 1, it is characterised in that:The haulage gear
(1) including round sheave (16) and connecting plate one (7), the straight fork (5) of sliding is slidably connected to the inside of sheave (16),
The connecting plate one (7) is rotatablely connected with rotation axis (4).
3. a kind of text wound articles for use imitation workpiece polishing mechanism according to claim 2, it is characterised in that:The clamping device one
(2) and include circular clamp disk (17) and connecting plate two (14) on clamping device two (3), the clamping disk (17) is equipped with
Several transverse direction fixing nuts (11) and longitudinal clamping nut (10), the connecting plate two (14) are rotatablely connected with rotation axis (4).
4. a kind of text wound articles for use imitation workpiece polishing mechanism according to claim 1, it is characterised in that:The draw bar (6)
Lower rotation be equipped with telescopic imitation head (8).
5. a kind of text wound articles for use imitation workpiece polishing mechanism according to claim 1, it is characterised in that:The center-pole (12)
It is internally provided with and the motor of milling cutter (13) axis connection, the milling cutter (13) is replaceable.
6. a kind of text wound articles for use imitation workpiece polishing mechanism according to claim 1, it is characterised in that:The rotation axis (4)
Bottom be equipped with fixed station (18).
7. a kind of text wound articles for use imitation workpiece polishing mechanism according to claim 3, it is characterised in that:The connecting plate one
(7) and the junction of connecting plate two (14) and rotation axis (4) is equipped with fastening nut (15).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810915762.2A CN108620645A (en) | 2018-08-13 | 2018-08-13 | A kind of text wound articles for use imitation workpiece polishing mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810915762.2A CN108620645A (en) | 2018-08-13 | 2018-08-13 | A kind of text wound articles for use imitation workpiece polishing mechanism |
Publications (1)
Publication Number | Publication Date |
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CN108620645A true CN108620645A (en) | 2018-10-09 |
Family
ID=63708868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810915762.2A Pending CN108620645A (en) | 2018-08-13 | 2018-08-13 | A kind of text wound articles for use imitation workpiece polishing mechanism |
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Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH331313A (en) * | 1952-04-17 | 1958-07-15 | Karl Schmid Wolfgang | Copy machine tool |
AU7010974A (en) * | 1973-06-12 | 1975-12-18 | Anet L C A | Machine tools |
CN2271155Y (en) * | 1996-12-14 | 1997-12-24 | 丁会益 | Copy amplifying apparatus for character and figure |
US6576183B1 (en) * | 1998-09-07 | 2003-06-10 | David William Thomas | Profile cutting apparatus |
US20040228696A1 (en) * | 2001-01-16 | 2004-11-18 | Claydon Terry John | Copying apparatus |
CN103624303A (en) * | 2013-12-16 | 2014-03-12 | 毕文廷 | Key making machine |
CN104858685A (en) * | 2015-05-30 | 2015-08-26 | 久亿航宇科技(大连)有限公司 | Conical radome machining and fixing fixture |
CN204603405U (en) * | 2015-05-25 | 2015-09-02 | 景宁隆尚工艺品有限公司 | Novel profiling machine |
CN205817466U (en) * | 2016-06-29 | 2016-12-21 | 周秋野 | Rotary feed formula profiler fixture |
CN107932087A (en) * | 2017-12-27 | 2018-04-20 | 广西大学 | The conical helical spring fixture of nonlinear vibration moving platform |
CN208840579U (en) * | 2018-08-13 | 2019-05-10 | 芜湖新使命教育科技有限公司 | A kind of text wound articles imitation workpiece polishing mechanism |
-
2018
- 2018-08-13 CN CN201810915762.2A patent/CN108620645A/en active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH331313A (en) * | 1952-04-17 | 1958-07-15 | Karl Schmid Wolfgang | Copy machine tool |
AU7010974A (en) * | 1973-06-12 | 1975-12-18 | Anet L C A | Machine tools |
CN2271155Y (en) * | 1996-12-14 | 1997-12-24 | 丁会益 | Copy amplifying apparatus for character and figure |
US6576183B1 (en) * | 1998-09-07 | 2003-06-10 | David William Thomas | Profile cutting apparatus |
US20040228696A1 (en) * | 2001-01-16 | 2004-11-18 | Claydon Terry John | Copying apparatus |
CN103624303A (en) * | 2013-12-16 | 2014-03-12 | 毕文廷 | Key making machine |
CN204603405U (en) * | 2015-05-25 | 2015-09-02 | 景宁隆尚工艺品有限公司 | Novel profiling machine |
CN104858685A (en) * | 2015-05-30 | 2015-08-26 | 久亿航宇科技(大连)有限公司 | Conical radome machining and fixing fixture |
CN205817466U (en) * | 2016-06-29 | 2016-12-21 | 周秋野 | Rotary feed formula profiler fixture |
CN107932087A (en) * | 2017-12-27 | 2018-04-20 | 广西大学 | The conical helical spring fixture of nonlinear vibration moving platform |
CN208840579U (en) * | 2018-08-13 | 2019-05-10 | 芜湖新使命教育科技有限公司 | A kind of text wound articles imitation workpiece polishing mechanism |
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