CN104723211A - Large-scale sharpening machine screw down cylinder fixing device and manufacturing method thereof - Google Patents
Large-scale sharpening machine screw down cylinder fixing device and manufacturing method thereof Download PDFInfo
- Publication number
- CN104723211A CN104723211A CN201510107208.8A CN201510107208A CN104723211A CN 104723211 A CN104723211 A CN 104723211A CN 201510107208 A CN201510107208 A CN 201510107208A CN 104723211 A CN104723211 A CN 104723211A
- Authority
- CN
- China
- Prior art keywords
- annulus
- transparent cover
- framework
- plate
- cone 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a large-scale sharpening machine screw down cylinder fixing device and a manufacturing method thereof and belongs to the field of metallurgy industry production auxiliary equipment. The large-scale sharpening machine screw down cylinder fixing device and the manufacturing method thereof change a cylinder shaft into a cone shaft, the length of a fitting surface is shortened, and the phenomenon that the assembly and the disassembly processes waste time and labor is avoided; a taper sleeve adopts cast copper materials, so that the abrasive loss of the cone shaft is reduced; a tension tank structure on the opening stop portion of a transparent cover can guarantee the transparent cover to always maintain close matching with an inner hole of a second circular ring; the transparent cover can be detached conveniently through a detachable screw; a 1:20 taper fit structure can compensate for the abrasive loss, and the service life of the structure is prolonged; though drawing lines on a production field and cutting phi 140 mm circular holes, assembling, spot welding, adjusting, welding, polishing and welding seams and performing vibration aging treatment on the welding seams, the welding stress is eliminated, and the structure improvement can be completed on the basis of maintaining the original main structure.
Description
Technical field
The present invention relates to a kind of large-scale sharpening machine pressure cylinder fixture and preparation method thereof, belong to smelter production auxiliary equipment field.
Background technology
Sharpening machine is the equipment processed continuous casting billet surface, pressure cylinder controls the lifting of sharpening machine main frame and the size of depressing force, suffered active force is in dynamic change, and the vibrations produced in reconditioning process can be directly delivered to pressure cylinder, are the critical components of sharpening machine.As shown in Figure 1 and Figure 2, the top of pressure cylinder 6 is arranged in the frame structure of main frame, and frame structure and the column 1 of main frame weld together; Be originally by a cylinder axis 5, through the endoporus of the bearing 7 on pressure cylinder 6 top, by back-up ring 8, bearing 7 is located, match with the endoporus of framework first plate 9 and framework second plate 2 respectively in the two ends of cylinder axis 5, one end is installed with clamp 3 wherein, clamp 3 is fixed by the first bolt 4, realizes the location to cylinder axis 5 and anti-rotation function.
Originally there is following problem in structure: 1, the external diameter value of cylinder axis 5 is all the same in whole length, make the length of mating surface oversize, assembling and dissembling process is wasted time and energy, and makes the cylindrical of cylinder axis 5 and the endoporus serious wear of framework first plate 9 and framework second plate 2, 2, without wear-compensating structure, under the vibrations of reconditioning process and the wearing and tearing acting in conjunction of assembling process, the gap width between the endoporus of the cylindrical of cylinder axis 5 and framework first plate 9 and framework second plate 2 is easily caused to increase, affect the service behaviour of pressure cylinder 6, and the frame structure of main frame is a huge structural member, not easily change, in order to can production be maintained, welding method can only be used to be connect with framework first plate 9 and framework second plate 2 by cylinder axis 5, when needing dismounting, butt welded seam place carries out cutting and again welding again, cylinder axis 5 is caused to be badly damaged with framework first plate 9 and framework second plate 2.
Summary of the invention
The invention provides a kind of large-scale sharpening machine pressure cylinder fixture, the length of mating surface is shortened by design cone axis structure, the phenomenon that disassembly process wastes time and energy can be avoided, reducing the wear extent of the cylindrical of axle and the endoporus of framework first plate and framework second plate, can reduce and compensate for wear amount with the transparent cover structure of band Tensioning structure by adopting cone axis, cast copper tapered sleeve; Present invention also offers the preparation method of this fixture, by rule in production scene and cut out Φ 140 circular hole, assembling, spot welding, adjustment, welding, polishing welding seams, butt welded seam carry out vibrations Ageing Treatment, eliminate welding stress, structure can be completed on the basis keeping original agent structure and improve.
The present invention realizes by the following technical solutions:
The invention provides a kind of large-scale sharpening machine pressure cylinder fixture, comprise axle, axle two ends are connecting frame first plate and framework second plate respectively, framework first plate and framework second plate are fixed on column, the top of pressure cylinder is arranged in the frame structure of main frame, it is characterized in that: described axle is cone axis, it is cone axis first paragraph in the middle part of axle, this section is column structure, axle left end is cone axis second segment, axle right-hand member is cone axis the 3rd section, the tapering of cone axis second segment and cone axis the 3rd section is 1:20, tapered sleeve is provided with outside cone axis second segment, the interior external taper of this tapered sleeve is 1:20, it is the first annulus outside tapered sleeve, first annulus is nested in framework first plate, the second annulus is provided with in cone axis the 3rd section of outside, second annulus is nested in framework second plate, the right side that cone axis is the 3rd section is provided with transparent cover, transparent cover left end is seam, transparent cover center is provided with taper hole, transparent cover internal taper hole coordinates with cone axis the 3rd section, transparent cover seam contacts with the second annulus, second annulus end face is provided with screw, the end face of transparent cover is provided with via hole and dismounting screw.
Described first annulus inside is conical bore, and tapered sleeve passes from this hole.
Described second annulus inside is cylindrical hole, and the sleeve of transparent cover passes from this hole.
Described first annulus and the second annulus are annular slab, and all there is chamfering structure the edge of the both ends of the surface of annular slab.
The internal taper hole at described transparent cover center is 1:20 tapering, and transparent cover seam is radially evenly provided with four tensioner grooves.
Described transparent cover radially distributes two and dismantle screw, transparent cover is fixed on framework second plate, for dismantling transparent cover through this dismounting screw by bolt.
Described transparent cover is uniformly distributed six via holes, transparent cover, through via hole, is fixed on the second annulus, avoids it to move by the second bolt.
The invention provides a kind of preparation method of above-mentioned large-scale sharpening machine pressure cylinder fixture, comprise the following steps:
(1) cut out Φ 140mm circular hole in the center of framework first plate, cut out Φ 140mm circular hole in the center of framework second plate;
(2) process the first annulus, make the one-tenth-value thickness 1/10 of the first annulus equal with the one-tenth-value thickness 1/10 of framework first plate, the external diameter value of the first annulus is Φ 140mm, and the tapering of the first annulus internal taper hole is 1:20, and size value and tapered sleeve male cone (strobilus masculinus) match; First annulus both sides cylindrical all processes 10 × 45o groove;
(3) process the second annulus, make the one-tenth-value thickness 1/10 of the second annulus equal with the one-tenth-value thickness 1/10 of framework second plate, the external diameter value of the second annulus is Φ 140mm, and the diameter of bore of the second annulus is Φ 73(
+ 0.03 0) be dimensional tolerance in mm(bracket), the second annulus both sides cylindrical all processes 10 × 45o groove;
(4) tapered sleeve is installed to cone axis second segment, first annulus internal taper hole is inserted in tapered sleeve male cone (strobilus masculinus), transparent cover is installed on cone axis, transparent cover internal taper hole and cone axis the 3rd section is matched, the above-mentioned cone axis assembly entirety assembled is penetrated frame structure, the thickness direction of the first annulus is alignd with framework first plate, second annulus is installed to the cylindrical position of the transparent cover seam of this assembly, adjust the axial location of the second annulus, the thickness direction of the second annulus is alignd with framework second plate;
(5) by the first annulus and the spot welding of framework first plate, by the second annulus and the spot welding of framework second plate, mounting spring packing ring and the second bolt, adjust the position of each part, guarantee that the relativeness of each part is all correct, weld at each groove place, by smooth for each weld grinding; Carry out vibrations Ageing Treatment, eliminate welding stress;
(6) dismantle the second bolt, spring washer, take out transparent cover, cone axis, tapered sleeve.
Above-mentionedly be exact position in order to determine the new parts such as the first annulus, the second annulus in steps and implement welding, this is the core link of improvement, now also bearing is not installed, above-mentioned final step is that improvement completes after disassembling these parts, for ensuing formal installation all set condition, next just formal installment work can be carried out.
The core of the technical program is: adopt conical structure to replace original cylindrical structural: the program comprises the axle of the outer cone of two ends all with 1:20 tapering, at cone axis second segment, a tapered sleeve is installed, the interior external taper of this tapered sleeve is 1:20, material is cast copper, the male cone (strobilus masculinus) of tapered sleeve is arranged in the internal taper hole of the first annulus, and the first annulus is positioned at the endoporus place of framework first plate; Cone axis the 3rd section, transparent cover is installed, there is the internal taper hole of 1:20 tapering at transparent cover center, the cylindrical at transparent cover seam position is arranged in the cylindrical hole of the second annulus, the cylindrical at transparent cover seam position radially processes 4 uniform tensioner grooves, make transparent cover seam can with the endoporus tensioner of the second annulus, the second annulus is positioned at the endoporus place of framework second plate; Above-mentioned tapered sleeve structure can closely cooperate with cone axis first paragraph and the first annulus internal taper hole and reduce wear extent each other, and energy compensate for wear amount; The cylindrical structure at above-mentioned transparent cover seam position has tensioner function, also can compensate for wear amount.
After sharpening machine pressure cylinder fixture improvement enforcement provided by the invention completes, there is following advantage compared with original structure of seat:
(1) the mating surface contraction in length of bearing and cone axis, the mating surface contraction in length of cone axis and the first frame plate endoporus and the second frame plate endoporus, assembling process is easy;
(2) tapered sleeve adopts the tensioner groove structure at cast copper material, transparent cover seam cylindrical position, can reduce the wearing and tearing to cone axis and the first frame plate endoporus, the second frame plate endoporus;
(3) 1:20 taper fit structure can compensate for wear amount, extends the service life of this structure;
(4) transparent cover can be mounted and dismounted easily by bolt.
Below in conjunction with drawings and Examples, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is the front view of pressure cylinder fixture original structure.
Fig. 2 is the A-A view of pressure cylinder fixture original structure.
Fig. 3 is the front view of structure after pressure cylinder fixture is improved.
Fig. 4 is the B-B view of structure after pressure cylinder fixture is improved.
Fig. 5 is cone axis structure chart.
Fig. 6 is tapered sleeve structure chart.
Fig. 7 is the first circular ring structure figure.
Fig. 8 is transparent cover front view.
Fig. 9 is the C-C view of transparent cover.
Figure 10 is the second circular ring structure figure.
In figure, 1, column, 2, framework second plate, 3, clamp, 4, first bolt, 5, cylinder axis, 6, pressure cylinder, 7, bearing, 8, back-up ring, 9, framework first plate, 10, cone axis, 11, tapered sleeve, 12, first annulus, 13, transparent cover, 14, second bolt, 15, spring washer, 16, second annulus, 17, cone axis first paragraph, 18, cone axis second segment, 19, cone axis the 3rd section, 20, tapered sleeve male cone (strobilus masculinus), 21, tapered sleeve internal taper hole, 22, first annulus internal taper hole, 23, screw, 24, via hole, 25, dismounting screw, 26, tensioner groove, 27, transparent cover internal taper hole, 28, transparent cover seam.
Detailed description of the invention
Embodiment:
As shown in Fig. 3 ~ 10, a kind of large-scale sharpening machine pressure cylinder fixture, comprise axle, axle two ends are connecting frame first plate 9 and framework second plate 2 respectively, framework first plate 9 and framework second plate 2 are fixed on column 1, the top of pressure cylinder 6 is arranged in the frame structure of main frame, it is characterized in that: described axle is cone axis 10, it is cone axis first paragraph 17 in the middle part of axle, this section is column structure, axle left end is cone axis second segment 18, axle right-hand member is cone axis the 3rd section 19, the tapering of cone axis second segment 18 and cone axis the 3rd section 19 is 1:20, tapered sleeve 11 is provided with outside cone axis second segment 18, the interior external taper (i.e. the tapering of tapered sleeve male cone (strobilus masculinus) 20 and tapered sleeve internal taper hole 21) of this tapered sleeve 11 is 1:20, it is the first annulus 12 outside tapered sleeve 11, the tapering of the first annulus internal taper hole 22 is 1:20, first annulus 12 is nested in framework first plate 9, the second annulus 16 is provided with outside cone axis the 3rd section 19, second annulus 16 is nested in framework second plate 2, the outside that cone axis is the 3rd section 19 is provided with transparent cover 13, transparent cover 13 left end is seam, transparent cover center is provided with taper hole, transparent cover internal taper hole 27 coordinates for the 3rd section 19 with cone axis, transparent cover seam 28 contacts with the second annulus 1616, second annulus end face is provided with screw 23, the end face of transparent cover 13 is provided with via hole 24 and dismounting screw 25.
Described first annulus 12 inside is conical bore, and tapered sleeve 11 passes from this hole.
Described second annulus 16 inside is cylindrical hole, and the sleeve of transparent cover 13 passes from this hole.
Described first annulus 12 and the second annulus 16 are annular slab, and all there is chamfering structure the edge of the both ends of the surface of annular slab.
Described transparent cover internal taper hole 27 is 1:20 tapering, and transparent cover seam 28 is radially evenly provided with four tensioner grooves 26.
Described transparent cover 13 radially distributes two and dismantle screw 25, transparent cover 13 is fixed on framework second plate 2, for dismantling transparent cover 13 through this dismounting screw by bolt.
Described transparent cover 13 is uniformly distributed six via holes 24, second bolt 14 through this via hole location transparent cover, avoids it to move.
The present embodiment is a kind of improvement of large-scale sharpening machine pressure cylinder structure of seat, specifically comprises the steps:
The improvement of I pressure cylinder fixture:
A changes cylinder axis 5 into cone axis 10: cone axis 10 structure comprises 3 sections, and centre is cone axis first paragraph 17, is size value Φ 63(
+ 0.021 + 0.002) cylinder of mm, for installing bearing 7; Being cone axis second segment 18 on the left of cone axis first paragraph 17, is the outer cone of 1:20 tapering, and the diameter value of the large end of circular cone is equal with the size value of cone axis first paragraph 17, is smoothly connected with cone axis first paragraph 17; Being cone axis the 3rd section 19 on the right side of cone axis first paragraph 17, is the outer cone of 1:20 tapering, and the diameter value of the large end of circular cone is equal with the size value of cone axis first paragraph 17, is smoothly connected with cone axis first paragraph 17; Cone axis 10 adopts the modifier treatment of 45# steel, guarantees HB241-286;
The outside diameter value that b designs the first annulus 12: the first annulus 12 is Φ 140mm, and center is the internal taper hole of 1:20 tapering, and size value and tapered sleeve male cone (strobilus masculinus) 20 match; The one-tenth-value thickness 1/10 of the first annulus 12 is equal with the one-tenth-value thickness 1/10 of framework first plate 9, and the cylindrical of the first annulus 12 all processes the groove of 10 × 45 ° in thickness direction both sides, for welding;
C increases tapered sleeve 11 part: the inside and outside of tapered sleeve 11 is 1:20 conical shape, and tapered sleeve internal taper hole 21 coordinates with cone axis second segment 18, and tapered sleeve male cone (strobilus masculinus) 20 coordinates with the first annulus internal taper hole 22, and tapered sleeve 11 adopts cast copper material;
The outside diameter value that d designs the second annulus 16: the second annulus 16 is Φ 140mm, and center is Φ 73(
+ 0.03 0) cylindrical hole; The one-tenth-value thickness 1/10 of the second annulus 16 is equal with the one-tenth-value thickness 1/10 of framework second plate 2, and the cylindrical of the second annulus 16 all processes the groove of 10 × 45 ° in thickness direction both sides, and for welding, uniform 6 M16 screws 23 on the second annulus 16, for installing the second bolt 14;
E increases transparent cover 13 part: the diameter value of transparent cover seam 28 is Φ 73mm(
-0.03 -0.049), transparent cover seam 28 radially processes 4 uniform tensioner grooves 26, make transparent cover seam 28 can with the endoporus tensioner of the second annulus 16; The transparent cover internal taper hole 27 of to be taperings be at the center of transparent cover 13 1:20, coordinates with the outer conical surface of cone axis the 3rd section 19; The end face of transparent cover 13 processes 6 uniform Φ 18mm via holes 24; The end face of transparent cover 13 processes 2 uniform dismounting screws 25, for dismantling transparent cover 13.
The implementation method that II pressure cylinder fixture is improved:
It comprises the steps:
, in production scene, rule and cut out Φ 140mm circular hole in the center of framework first plate 9 by a;
, in production scene, rule and cut out Φ 140mm circular hole in the center of framework second plate 2 by b;
Tapered sleeve 11 is installed to cone axis second segment 18 by c, and tapered sleeve internal taper hole 21 is matched with the male cone (strobilus masculinus) of cone axis second segment 18; First annulus 12 is inserted in tapered sleeve 11, the first annulus internal taper hole 22 is matched with tapered sleeve male cone (strobilus masculinus) 20; Transparent cover 13 is installed to cone axis the 3rd section 19, the male cone (strobilus masculinus) of transparent cover internal taper hole 27 and cone axis the 3rd section 19 is matched; Above-mentioned assembly entirety is penetrated frame structure, the thickness direction of the first annulus 12 is alignd with framework first plate 9, second annulus 16 is installed to the cylindrical position of the transparent cover seam 28 of this assembly, adjust the axial location of the second annulus 16, the thickness direction of the second annulus 16 is alignd with framework second plate 2;
D by the first annulus 12 and the spot welding of framework first plate 9, by the second annulus 16 and the spot welding of framework second plate 2;
E mounting spring packing ring 15 and the second bolt 14, adjust the position of each part, guarantees that the relativeness of each part is all correct;
F welds at each groove place;
G is by smooth for each weld grinding;
H carries out vibrations Ageing Treatment, eliminates welding stress;
I dismantles the second bolt 14, spring washer 15, takes out transparent cover 13, cone axis 10, tapered sleeve 11.
The enforcement that pressure cylinder structure of seat improves completes.
Claims (8)
1. one kind large-scale sharpening machine pressure cylinder fixture, comprise axle, axle two ends are connecting frame first plate and framework second plate respectively, framework first plate and framework second plate are fixed on column, the top of pressure cylinder is arranged in the frame structure of main frame, it is characterized in that: described axle is cone axis, it is cone axis first paragraph in the middle part of axle, this section is column structure, axle left end is cone axis second segment, axle right-hand member is cone axis the 3rd section, the tapering of cone axis second segment and cone axis the 3rd section is 1:20, tapered sleeve is provided with outside cone axis second segment, the interior external taper of this tapered sleeve is 1:20, it is the first annulus outside tapered sleeve, first annulus is nested in framework first plate, the second annulus is provided with in cone axis the 3rd section of outside, second annulus is nested in framework second plate, the right side that cone axis is the 3rd section is provided with transparent cover, transparent cover left end is seam, transparent cover center is provided with taper hole, transparent cover internal taper hole coordinates with cone axis the 3rd section, transparent cover seam contacts with the second annulus, second annulus end face is provided with screw, the end face of transparent cover is provided with via hole and dismounting screw.
2. large-scale sharpening machine pressure cylinder fixture according to claim 1, is characterized in that: described first annulus inside is conical bore, and tapered sleeve passes from this hole.
3. large-scale sharpening machine pressure cylinder fixture according to claim 1, is characterized in that: described second annulus inside is cylindrical hole, and transparent cover seam passes from this hole.
4. large-scale sharpening machine pressure cylinder fixture according to claim 1, is characterized in that: described first annulus and the second annulus are annular slab, and all there is chamfering structure the edge of the both ends of the surface of annular slab.
5. large-scale sharpening machine pressure cylinder fixture according to claim 1, is characterized in that: the internal taper hole at described transparent cover center is 1:20 tapering, and transparent cover seam is radially evenly provided with four tensioner grooves.
6. large-scale sharpening machine pressure cylinder fixture according to claim 1, is characterized in that: described transparent cover radially distributes two and dismantle screw, and transparent cover is fixed on framework second plate through this dismounting screw by bolt.
7. large-scale sharpening machine pressure cylinder fixture according to claim 1, is characterized in that: described transparent cover is uniformly distributed six via holes, and transparent cover, through via hole, is fixed on the second annulus by the second bolt.
8. a preparation method for the large-scale sharpening machine pressure cylinder fixture described in any one of claim 1 ~ 7, is characterized in that: comprise the following steps:
(1) cut out Φ 140mm circular hole in the center of framework first plate, cut out Φ 140mm circular hole in the center of framework second plate;
(2) process the first annulus, make the one-tenth-value thickness 1/10 of the first annulus equal with the one-tenth-value thickness 1/10 of framework first plate, the external diameter value of the first annulus is Φ 140mm, and the tapering of the first annulus internal taper hole is 1:20, and size value and tapered sleeve male cone (strobilus masculinus) match; First annulus both sides cylindrical all processes 10 × 45o groove;
(3) process the second annulus, make the one-tenth-value thickness 1/10 of the second annulus equal with the one-tenth-value thickness 1/10 of framework second plate, the external diameter value of the second annulus is Φ 140mm, and the diameter of bore of the second annulus is Φ 73mm, and the second annulus both sides cylindrical all processes 10 × 45o groove;
(4) tapered sleeve is installed to cone axis second segment, first annulus internal taper hole is inserted in tapered sleeve male cone (strobilus masculinus), transparent cover is installed on cone axis, transparent cover internal taper hole and cone axis the 3rd section is matched, the above-mentioned cone axis assembly entirety assembled is penetrated frame structure, the thickness direction of the first annulus is alignd with framework first plate, second annulus is installed to the cylindrical position of the transparent cover seam of this assembly, adjust the axial location of the second annulus, the thickness direction of the second annulus is alignd with framework second plate;
(5) by the first annulus and the spot welding of framework first plate, by the second annulus and the spot welding of framework second plate, mounting spring packing ring and the second bolt, adjust the position of each part, guarantee that the relativeness of each part is all correct, weld at each groove place, by smooth for each weld grinding; Carry out vibrations Ageing Treatment, eliminate welding stress;
(6) dismantle the second bolt, spring washer, take out transparent cover, cone axis, tapered sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510107208.8A CN104723211B (en) | 2015-03-12 | 2015-03-12 | A kind of large-scale sharpening machine pressure cylinder fixing device and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510107208.8A CN104723211B (en) | 2015-03-12 | 2015-03-12 | A kind of large-scale sharpening machine pressure cylinder fixing device and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104723211A true CN104723211A (en) | 2015-06-24 |
| CN104723211B CN104723211B (en) | 2017-03-01 |
Family
ID=53447933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510107208.8A Active CN104723211B (en) | 2015-03-12 | 2015-03-12 | A kind of large-scale sharpening machine pressure cylinder fixing device and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104723211B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114407512A (en) * | 2022-01-22 | 2022-04-29 | 刘宇祥 | Flat screen printing machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4577981A (en) * | 1983-06-21 | 1986-03-25 | Yoshizuka Seiki Co., Ltd. | Spindle device |
| JP2005342878A (en) * | 2004-06-07 | 2005-12-15 | Nagashima Seiko Kk | Grinding wheel spindle using air bearing |
| CN201209179Y (en) * | 2008-05-10 | 2009-03-18 | 李文军 | Taper drawing belt roller bearing binder |
| CN102581724A (en) * | 2012-02-29 | 2012-07-18 | 博罗县精汇电子科技有限公司 | Fixing mechanism for brush roller of circuit board grinding machine |
| CN203228108U (en) * | 2012-12-29 | 2013-10-09 | 广州市昊志机电股份有限公司 | Shaft core assembly with grinding wheels arranged on both ends |
-
2015
- 2015-03-12 CN CN201510107208.8A patent/CN104723211B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4577981A (en) * | 1983-06-21 | 1986-03-25 | Yoshizuka Seiki Co., Ltd. | Spindle device |
| JP2005342878A (en) * | 2004-06-07 | 2005-12-15 | Nagashima Seiko Kk | Grinding wheel spindle using air bearing |
| CN201209179Y (en) * | 2008-05-10 | 2009-03-18 | 李文军 | Taper drawing belt roller bearing binder |
| CN102581724A (en) * | 2012-02-29 | 2012-07-18 | 博罗县精汇电子科技有限公司 | Fixing mechanism for brush roller of circuit board grinding machine |
| CN203228108U (en) * | 2012-12-29 | 2013-10-09 | 广州市昊志机电股份有限公司 | Shaft core assembly with grinding wheels arranged on both ends |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114407512A (en) * | 2022-01-22 | 2022-04-29 | 刘宇祥 | Flat screen printing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104723211B (en) | 2017-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105345735A (en) | Cylinder sleeve dismounting device | |
| CN104723211A (en) | Large-scale sharpening machine screw down cylinder fixing device and manufacturing method thereof | |
| CN201565746U (en) | Self-centering jig of automatic circular welder | |
| CN203282380U (en) | Spliced type base | |
| CN102189108B (en) | Roll body guiding piece and receiving section and rolling tool and relevant replacing options | |
| CN104551338A (en) | Full-automatic special welding machine for suspension arms | |
| CN207028715U (en) | A kind of vehicle and its axle housing | |
| CN103990990B (en) | A kind of hydraulically operated fixture for compressor crankcase turnery processing | |
| CN201100324Y (en) | Bearing base for online oil seal replacement | |
| US6450693B1 (en) | Bearing arrangement for a shaft supporting a rotating tool | |
| CN211051580U (en) | Novel hydraulic cone crusher structure | |
| CN108167421B (en) | Cantilever type shaft coupling supporting transmission device | |
| CN104117542B (en) | A kind of roller bed device and the assembly and disassembly methods that can dismantle online the body of roll | |
| CN111590266B (en) | Mine car pull rod seat welding maintenance method | |
| CA3219121A1 (en) | Mantle retaining system and method for a gyratory crusher | |
| CN109115032B (en) | Manufacturing process of launching tube tool | |
| CN109175054B (en) | Internal rotation spinning machine | |
| CN209920501U (en) | Double-screw type split charging barrel | |
| CN112756042B (en) | Fixing method for crossbeam bushing of single-cylinder hydraulic cone crusher | |
| CN207139687U (en) | A kind of hydraulic support bearing pin draw-off gear | |
| CN210059830U (en) | Eccentric sleeve | |
| CN218225431U (en) | Steering column bearing press-fitting die | |
| CN105252192B (en) | Angle adjustment device | |
| CN220971984U (en) | Grinding wheel machine head structure | |
| KR102603007B1 (en) | Lamp for vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |