CN103071812B - Floating tool holder for profiling end socket groove - Google Patents
Floating tool holder for profiling end socket groove Download PDFInfo
- Publication number
- CN103071812B CN103071812B CN201310026040.9A CN201310026040A CN103071812B CN 103071812 B CN103071812 B CN 103071812B CN 201310026040 A CN201310026040 A CN 201310026040A CN 103071812 B CN103071812 B CN 103071812B
- Authority
- CN
- China
- Prior art keywords
- knife bar
- interior
- bar
- grooves
- end bearing
- 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.)
- Active
Links
Landscapes
- Turning (AREA)
- Accessories And Tools For Shearing Machines (AREA)
Abstract
The invention discloses a floating tool holder for profiling an end socket groove. The floating tool holder comprises a sliding shaft, a sliding sleeve, base clamps, end covers, a middle plate, an inner cutter bar slot frame, an inner cutter bar, an outer cutter bar slot frame, an outer cutter bar, at least one inner bar end bearing and at least one outer bar end bearing 13, wherein the sliding sleeve is matched with the sliding shaft through a ball array; the base clamps are arranged at two ends of the sliding shaft; the end covers are arranged at two ends of the sliding shaft and are used for preventing the sliding shaft from axially floating; the middle plate is connected with the base clamps; the inner cutter bar slot frame is connected with the middle plate; the inner cutter bar is arranged on the inner cutter bar slot frame in a sliding form; the outer cutter bar slot frame is connected with the middle plate; the outer cutter bar is arranged on the outer cutter bar slot frame in the sliding form; the inner bar end bearing is moveably arranged on the inner cutter bar slot frame; one end of the inner bar end bearing is in contact with a workpiece end socket; the outer bar end bearing 13 is moveably arranged on the outer cutter bar slot frame; and one end of the outer bar end bearing 13 is in contact with the workpiece end socket. The floating tool holder further comprises a clamping plate which is connected with the sliding sleeve and is used for fixing an external tool holder. The floating tool holder also comprises a fastener which is arranged on the inner cutter bar slot frame and is used for preventing the inner bar end bearing from loosening. The floating tool holder also comprises the fastener which is arranged on the outer cutter bar slot frame and is used for preventing the outer bar end bearing 13 from loosening.
Description
Technical field
The present invention relates to a kind of grooves with seal heads profiling floating knife rest, particularly a kind of relating to, is applied to chemical industry, the big-and-middle diameter end socket of steel of landification equipment manufacturing industry purposes is titanium particularly, nickel, stainless steel, dual phase steel, the materials such as high-strength low alloy steel and titanium, nickel, the profiling of the big-and-middle diameter end socket of copper composite plate system bevel for welding, for the big-and-middle diameter ellipse of above-mentioned material or dome head which kind of forming mode no matter, all there is certain ovality in the end socket radial circumference that especially diameter and wall thickness rate value are larger, or the eccentric situation of the trace of turning more difficult setting while clamping, for ensureing the angle after the turning of end socket bevel for welding, root face size, in any position of circumference, be unanimously, no longer artificial grinder buffing, the grooves with seal heads profiling floating knife rest of enhancing productivity.
Background technology
Big-and-middle in specialty, in heavy pressure vessels for the chemical industry equipment process for making, the machine cut of the big-and-middle diameter dimension head skirt of steel bevel for welding is common and main manufacturing procedure together, to the big-and-middle-sized grooves with seal heads moulding of general general class carbon steel material, can use the at the uniform velocity simple rubbing down removal in gas cutting rear surface oxide layer of semi-automatic rotating disk, but there is a higher-strength for above-mentioned, compared with highly corrosion resistant, the pressure vessel alloy high-strength steel of elevated pressures rank designing requirement, dual phase steel, titanium, the materials such as nickel, after groove thermal cutting processing, be very easily oxidized, heat is cut air cooling sclerosis, the situations such as apparent microscratch, the moulding of final straight flange bevel for welding angle faces is generally safe cold forming (Vehicle Processing), and bevel angle, root face size, fineness etc. are also the standard offer steps to cold skill before welding procedure is implemented.Grooves with seal heads moulding just should be followed the technological requirement of standard, in the methods of turning groove, creates to some extent.Quite a few workload of standing state is in the reconditioning to after grooves with seal heads turning, even whole circumference groove is completely with being manually polished into type, comprise that domestic some large-scale professional end socket manufacturing firm is in the grooves with seal heads blank thermal cutting in advance to responsive materials such as high-strength steel, automatically after the grinding of emery wheel terminal, to groove face, must do PT check for the sake of assurance, for evading quality risk, and avoid bevel for welding rubbing down amount in man-hour large, production efficiency is not high, emery wheel consuming cost strengthens, organic smog that sand dust microparticle and resin sand sheet friction heat waste produce causes human and environment pollution condition, ensure the apparent homogeneous of bevel for welding, fineness, the regularity of angle and root face size, improve quality and integrated cost benefit, seek the step-contour turning of a kind of high efficiency grooves with seal heads end process imperative.
Present situation: domestic and international current device:
1. sincerely for cylindrical parts groove, processing is sorted out, form (desk-top homework type on the tube groove cutting technology of domestic majority in pipeline manufacturing industry, field work types etc.) device is a lot, this class equipment majority is at approximately 1 meter of extraordinary line of following standard circularity, to originate from the state cutting of the moving welded pipe mouth of pipe according to seamless steel pipe (DN500 is following) or nominal diameter, the design concept of this cutting form is that to regard the mouth of pipe as standard just round, the desk-top mouth of pipe square groove machine under this theory for example, its groove knife rest cutter head is the radially machine automatization feed while turning with respect to Zhuan Pan rotation, (however line produces pipeline and also for line, is producing equipment just in case existence and the not too round part nest of tubes of output are provided with the inwall profiling bevel truning fixture of various ways), for medium-and-large-sized non-line, produce the pipeline made or the processing of special material pipeline and medium-and-large-sized diameter pressure vessel head groove just exists limitation, only big-and-middle diameter pipeline at least needs to change " V " clevis seat into two the standard semi arch seats that respective tube outside diameter is identical, cutting after minimizing clamping distortion (and be difficult to gather effect for heavier walled fitting, when pipe fitting center and the contraposition of turntable rotation center, loaded down with trivial details efficiency is low), so contour turning for big-and-middle diameter grooves with seal heads, the device that no longer people is reconditioning still belongs to blank at present.
2. the high-efficient cutting form network of the big-and-middle diameter grooves with seal heads of external similar our research and development has no retrieving information, the visible groove topping machanism that has (DN600 or DN1000 are following) single roller (single-point) inwall profiling fixed dimension cutter of applying in domestic equipment Imported From German EMH Company petroleum pipeline production line only, can not continue to use and also not be suitable for our big-and-middle diameter end socket, the particularly profiling of coloured (titanium) composite plate grooves with seal heads present situation, aforementioned several pipe end slope-mouth process technology present situations both at home and abroad, can be summarized as knife rest cutter head is that movable body, workpiece to be machined are static element.
Summary of the invention
The object of this invention is to provide a kind of profiling floating topping machanism, car for big-and-middle diameter steel and composite plate grooves with seal heads processed and make bevel angle, the root face size that meets the requirement of welding procedure diagram, and consistent at circumference arbitrary orientation size uniform.
For solving the problems of the technologies described above, the invention provides a kind of grooves with seal heads profiling floating knife rest.
Technical scheme of the present invention is a kind of grooves with seal heads profiling floating knife rest, comprise slide-bar, by ball, be listed as the sliding sleeve matching with slide-bar, be arranged on the seat folder at slide-bar two ends, be arranged on the end cap that is used for preventing slide-bar axial float of slide-bar two ends, press from both sides with seat the intermediate plate being connected, the interior knife bar truss being connected with intermediate plate, be slidably arranged in the interior knife bar on interior knife bar truss, the outer knife bar truss being connected with intermediate plate, be slidably arranged in the outer knife bar on outer knife bar truss, be movably arranged on interior knife bar truss at least one and interior rod end bearing that one end contacts with workpiece end socket and be movably arranged on outer knife bar truss at least one and outer rod end bearing that one end contacts with workpiece end socket.
Further improvement of the present invention: also comprise the clamping plate that are used for fixing outside knife rest that are connected with sliding sleeve.
Further improvement of the present invention: also comprise the securing member for preventing that interior rod end bearing is loosening being arranged on interior knife bar truss.
Further improvement of the present invention: also comprise the securing member for preventing that outer rod end bearing is loosening being arranged on outer knife bar truss.
Further improvement of the present invention: the shape of cross section of described slide-bar is square or rectangle.
Further improvement of the present invention: described interior knife bar is slidably arranged on interior knife bar truss by the inner screw being arranged on interior knife bar truss.
Further improvement of the present invention: described outer knife bar is slidably arranged on outer knife bar truss by the external screw rod being arranged on outer knife bar truss.
Further improvement of the present invention a: termination of described inner screw is provided with for regulating the interior knife bar feed handwheel of interior knife bar advance and retreat cutter position.For the ease of operator, adjust in the course of the work the advance and retreat cutter position of interior knife bar.
Further improvement of the present invention: a termination of described external screw rod be provided with for regulate outer knife bar advance and retreat cutter position outer knife bar feed handwheel.For the ease of operator, adjust in the course of the work the advance and retreat cutter position of outer knife bar.
The present invention's beneficial effect compared with prior art: when the end socket bevel for welding of the big-and-middle diameter dimension of turning, can effectively avoid because big-and-middle diameter dimension end socket is in punching press, strain relief after spinning differ and distinguish assembly welding after micro-deformation, soft deformation that diameter and wall thickness rate value form compared with large end socket etc. and have ovality, micro-off-centring during with clamping contraposition, make the groove face size after turning, angle, the state of fineness in each orientation of circumference conforms with technological standards and symmetry, unanimously, eliminate the turning knife mark that trembles, cutting work efficiency is fast, without artificial groove after turning, polish again, use manpower and material resources sparingly and enhance productivity, end socket for the postforming of medium-and-large-sized composite plate jigsaw assembly welding, the opening of its inwall You1-2 road coating joint strip weldering about 3mm of bed thickness such as (coating) wide about 40mm stainless steel or titaniums, when the profiling that keeps steady of two groups of 4 rod end bearings makes to cross over notch, pass mutually relay profiling and clamp still effectively stable for remaining 3, profiling when enforcement is turned round clamping to end socket workpiece straight flange place groove larger radius of curvature is balance again, it is the present invention program's a feature.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is that the A-A of Fig. 1 is to view.
Fig. 3 is that the B-B of Fig. 1 is to view.
Wherein: 1, clamping plate, 2, sliding sleeve, 3, slide-bar, 4, seat folder, 5, end cap, 6, intermediate plate, 7, interior knife bar truss, 8, interior knife bar feed handwheel, 9, outer knife bar feed handwheel, 10, outer knife bar truss, 11, outer knife bar, 12, interior knife bar, 13, outer rod end bearing, 14, interior rod end bearing, 15, inner screw, 16, external screw rod, 17, ball row, 18, workpiece end socket.
The specific embodiment
1 to Fig. 3 the present invention is further described by reference to the accompanying drawings:
A kind of grooves with seal heads profiling floating knife rest of the present invention, comprising: clamping plate 1, sliding sleeve 2, slide-bar 3, seat folder 4, end cap 5, intermediate plate 6, interior knife bar truss 7, interior knife bar feed handwheel 8, outer knife bar feed handwheel 9, outer knife bar truss 10, outer knife bar 11, interior knife bar 12, outer rod end bearing 13, interior rod end bearing 14, inner screw 15, external screw rod 16 and ball row 17.
A kind of grooves with seal heads profiling floating knife rest of the present invention, comprise slide-bar 3, the sliding sleeve 2 matching with slide-bar 3 by ball row 17, be arranged on the seat folder 4 at slide-bar 3 two ends, be arranged on the end cap 5 that is used for preventing slide-bar 3 axial floats of slide-bar 3 two ends, press from both sides 4 intermediate plates that are connected 6 with seat, the interior knife bar truss 7 being connected with intermediate plate 6, be slidably arranged in the interior knife bar 12 on interior knife bar truss 7, the outer knife bar truss 10 being connected with intermediate plate 6, be slidably arranged in the outer knife bar 11 on outer knife bar truss 10, be movably arranged on interior knife bar truss 7 at least one and interior rod end bearing that one end contacts with workpiece end socket 18 14 and be movably arranged on outer knife bar truss 10 at least one and outer rod end bearing 13 that one end contacts with workpiece end socket 18.
Sliding sleeve 2 of the present invention is sleeved on slide-bar 3, between sliding sleeve 2 and slide-bar 3, by ball row 17, matches.Seat folder 4 is arranged on the two ends of slide-bar 3 by key; End cap 5 is bolted in the two ends of slide-bar 3 by sieve, is used for preventing the axial float of slide-bar 3; Intermediate plate 6 is connected with slide-bar 3 by bolt; Interior knife bar truss 7 is all bolted on intermediate plate 6 with outer knife bar truss 10; Interior knife bar 12 is slidably arranged on interior knife bar truss 7 by the inner screw 15 being arranged on interior knife bar truss 7; Outer knife bar 11 is slidably arranged on outer knife bar truss 10 by the external screw rod 16 being arranged on outer knife bar truss 10.
The present invention adopts the structure of two interior rod end bearings 14 and two outer rod end bearings 13.Two interior rod end bearings 14 are movably arranged on interior knife bar truss 7 and one end of interior rod end bearing 14 contacts with the inner surface of workpiece end socket 18; Two outer rod end bearings 13 are movably arranged on outer knife bar truss 10 and one end of outer rod end bearing 13 contacts with the outer surface of workpiece end socket 18.Two interior rod end bearings 14 and two outer rod end bearings 13 contact with outer surface with the inner surface of workpiece end socket 18 in the course of the work all the time, guarantee that the position of workpiece end socket 18 in process guarantees relative fixing all the time with the position of cutter head in knife rest.
For the ease of floating tool holder of the present invention and outside knife rest, fix, the present invention is provided with the connected clamping plate of sliding sleeve 21.
For the ease of interior rod end bearing 14 of the present invention, contact all the time in the course of the work with the inner surface of workpiece end socket 18, the present invention is provided with for preventing the loosening securing member of interior rod end bearing 14 on interior knife bar truss 7.
For the ease of outer rod end bearing 13 of the present invention, contact all the time in the course of the work with the outer surface of workpiece end socket 18, the present invention is provided with for preventing the loosening securing member of outer rod end bearing 13 on knife bar truss 10 outside.
The present invention reliably cuts in order to ensure slide-bar 3 knife bar connecing that connects firmly, and slide-bar 3 of the present invention adopts the slide-bar of square or rectangular in form, and the shape of cross section of slide-bar 3 of the present invention is square or rectangle.
For the ease of operator, adjust in the course of the work the advance and retreat cutter position of interior knife bar 12, the present invention is provided with in a termination of inner screw 15 for regulating the interior knife bar advance and retreat cutter handwheel 8 of interior knife bar 12 feed positions.
For the ease of operator, adjust in the course of the work the advance and retreat cutter position of interior knife bar 12, the present invention in a termination of external screw rod 16, be provided with for regulate outer knife bar 11 advance and retreat cutter positions outer knife bar advance and retreat cutter handwheel 9.
Use procedure of the present invention is as follows:
As shown in Figure 1-Figure 3, situation while having simulated profiling floating knife rest to big-and-middle diameter grooves with seal heads cutwork, also can be first by the plane of founding the original fixed knife bar knife rest turning groove of tool holder 19 during turning, then use profiling floating knife rest turning groove, turn handwheel advance and retreat cutter during turning groove, select arbitrarily cut in the outer groove of first car or first car, as shown in Figure 1-Figure 3.
1. by 1 mouthful, the clamping plate of profiling floating knife rest to entering to stand in the cutter saddle trough of car lifting armed lever, adjust blade and make its alignment pieces longitude and latitude radius axial line, and step up clamping plate 1;
2. set up 4 positions of good interior rod end bearing 14 and outer rod end bearing 13, make interior rod end bearing 14 and outer rod end bearing 13 sturdy inner surface and outer surface by steady workpiece end socket 18 respectively, the vertical car rotating disk of crawl makes that workpiece end socket slowly rotates, vertical car lifting arm lifting is controlled, making floating tool holder of the present invention follow workpiece end socket slowly rotates, lubricated and the relative motion by ball row 17 of slide-bar 3 and sliding sleeve 2 freely, turn arbor wheel is selected arbitrarily the sequencing of the inside and outside groove of turning, implement the turning process of groove, until the 18 groove cuttings of workpiece end socket are complete.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (9)
1. a grooves with seal heads profiling floating knife rest, it is characterized in that: comprise slide-bar (3), by ball, be listed as the sliding sleeve (2) that match with slide-bar (3) (17), be arranged on the seat folder (4) at slide-bar (3) two ends, be arranged on the end cap (5) that is used for preventing slide-bar (3) axial float of slide-bar (3) two ends, the intermediate plate (6) being connected with seat folder (4), the interior knife bar truss (7) being connected with intermediate plate (6), be slidably arranged in the interior knife bar (12) on interior knife bar truss (7), the outer knife bar truss (10) being connected with intermediate plate (6), be slidably arranged in the outer knife bar (11) on outer knife bar truss (10), be movably arranged on interior knife bar truss (7) at least one and interior rod end bearing (14) that one end contacts with workpiece end socket (18) and be movably arranged on outer knife bar truss (10) at least one and outer rod end bearing (13) that one end contacts with workpiece end socket (18).
2. grooves with seal heads profiling floating knife rest according to claim 1, is characterized in that: also comprise the clamping plate that are used for fixing outside knife rest (1) that are connected with sliding sleeve (2).
3. grooves with seal heads profiling floating knife rest according to claim 1 and 2, is characterized in that: also comprise be arranged on interior knife bar truss (7) for preventing the loosening securing member of interior rod end bearing (14).
4. grooves with seal heads profiling floating knife rest according to claim 1 and 2, is characterized in that: also comprise be arranged on outer knife bar truss (10) for preventing the loosening securing member of outer rod end bearing (13).
5. grooves with seal heads profiling floating knife rest according to claim 1, is characterized in that: the shape of cross section of described slide-bar (3) is square or rectangle.
6. grooves with seal heads profiling floating knife rest according to claim 1 and 2, is characterized in that: described interior knife bar (12) is slidably arranged on interior knife bar truss (7) by the inner screw (15) being arranged on interior knife bar truss (7).
7. grooves with seal heads profiling floating knife rest according to claim 1 and 2, is characterized in that: described outer knife bar (11) is slidably arranged on outer knife bar truss (10) by the external screw rod (16) being arranged on outer knife bar truss (10).
8. grooves with seal heads profiling floating knife rest according to claim 6, is characterized in that: a termination of described inner screw (15) is provided with for regulating the interior knife bar feed handwheel (8) of interior knife bar (12) advance and retreat cutter position.
9. grooves with seal heads profiling floating knife rest according to claim 7, is characterized in that: a termination of described external screw rod (16) be provided with for regulate outer knife bar (11) advance and retreat cutter position outer knife bar feed handwheel (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310026040.9A CN103071812B (en) | 2013-01-23 | 2013-01-23 | Floating tool holder for profiling end socket groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310026040.9A CN103071812B (en) | 2013-01-23 | 2013-01-23 | Floating tool holder for profiling end socket groove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103071812A CN103071812A (en) | 2013-05-01 |
| CN103071812B true CN103071812B (en) | 2014-12-10 |
Family
ID=48148620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310026040.9A Active CN103071812B (en) | 2013-01-23 | 2013-01-23 | Floating tool holder for profiling end socket groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103071812B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107336074A (en) * | 2017-07-26 | 2017-11-10 | 嘉善霸器机械制造有限公司 | A kind of locating and guiding water spray device |
| CN110103296A (en) * | 2019-04-03 | 2019-08-09 | 永胜机械工业（昆山）有限公司 | A kind of seal head cylinder body fluting beveling machine of going through the motions automatically |
| CN114800023B (en) * | 2022-06-20 | 2024-04-05 | 辽宁元创石化技术有限公司 | Edge shaving machine for machining composite board products |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2753739A (en) * | 1952-09-11 | 1956-07-10 | Dreier Brothers Inc | Traveling tool |
| US3103140A (en) * | 1961-03-10 | 1963-09-10 | United States Steel Corp | Combination tool head for finishing pipe ends |
| US3501872A (en) * | 1966-08-08 | 1970-03-24 | Mary C Harter | Internal pipe beveling attachment for pipe beveling machines |
| DE1552421B1 (en) * | 1966-10-21 | 1969-11-06 | Reika Werk Gmbh Maschf | Device for simultaneous chamfering of the inner and outer edges of pipe ends |
| US3699828A (en) * | 1970-12-02 | 1972-10-24 | Victaulic Co Of America | Pipe groover |
| JPS58217201A (en) * | 1982-06-08 | 1983-12-17 | Nisshin Steel Co Ltd | End surface machining device for cylindrical work |
| CN2095733U (en) * | 1991-07-27 | 1992-02-12 | 刘福祥 | Profiling mechanism for working elbow slape end of seamless steel tube |
| CN2350144Y (en) * | 1998-01-08 | 1999-11-24 | 番禺珠江钢管有限公司 | External angle profile device for trimming end of steel pipe |
| DE102007045331A1 (en) * | 2007-09-22 | 2009-04-02 | Illinois Tool Works Inc., Glenview | Pipe end processing device and thus equipped pipe end processing device |
| CN101357404A (en) * | 2008-08-29 | 2009-02-04 | 天水锻压机床有限公司 | Adjustment method of inner-profile radial floating tool rest and tool |
| CN201543826U (en) * | 2009-10-30 | 2010-08-11 | 中海石油金洲管道有限公司 | Flat-head chamfering device for outer profiling steel pipe |
| CN203140790U (en) * | 2013-01-23 | 2013-08-21 | 南京宝色股份公司 | Sealing head groove copying floating tool holder |
-
2013
- 2013-01-23 CN CN201310026040.9A patent/CN103071812B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103071812A (en) | 2013-05-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103071812B (en) | Floating tool holder for profiling end socket groove | |
| CN103192298A (en) | Screw tap grinding mechanism | |
| CN105033580A (en) | Machining method for banjo union | |
| CN103386497A (en) | Automatic cutter-feeding pipeline profiling groove tool device | |
| CN110153870A (en) | A kind of TiC base steel bonded carbide end cap inner bore honing device and its Honing process method | |
| CN204954385U (en) | Universal centre frame | |
| CN204912951U (en) | Pipe chamfering tool | |
| CN107009259A (en) | A kind of hinge top gem of a girdle-pendant bar of threaded adjusting | |
| CN207013775U (en) | A kind of milling cutter construction | |
| CN203140790U (en) | Sealing head groove copying floating tool holder | |
| CN204976248U (en) | Accurate processingequipment of sealed arc piece | |
| CN205200572U (en) | A multiple -cutting -edge lathe tool for thin wall spot facing work | |
| CN109434574A (en) | A kind of disc scissors reconditioning fixture | |
| CN205660523U (en) | Thin wall spare honing frock | |
| CN204036043U (en) | Lathe clamping assembly | |
| CN201940908U (en) | Abrasive wheel for processing bulb | |
| CN201940781U (en) | Floating inner hole rolling machine with six adjustable beads | |
| CN205057094U (en) | Double -end chamfering tool rest | |
| CN207982457U (en) | A kind of tube groove flexibility cutter device | |
| CN203599995U (en) | Center hole grinding thimble | |
| CN203751845U (en) | Grinding device for disc edge-trimming cutters of aluminum strip edge trimmer | |
| CN205733045U (en) | A kind of cutting polishing acrylic diamond cutter | |
| CN206811731U (en) | A kind of hinge top gem of a girdle-pendant bar of threaded adjusting | |
| CN209223712U (en) | A kind of disc scissors reconditioning fixture | |
| CN205870283U (en) | Core symmetry anchor clamps are bored in coping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |