CN202786350U - Vertical quenching machine - Google Patents
Vertical quenching machine Download PDFInfo
- Publication number
- CN202786350U CN202786350U CN2012204385813U CN201220438581U CN202786350U CN 202786350 U CN202786350 U CN 202786350U CN 2012204385813 U CN2012204385813 U CN 2012204385813U CN 201220438581 U CN201220438581 U CN 201220438581U CN 202786350 U CN202786350 U CN 202786350U
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- frame
- transformer
- quenching machine
- screw mandrel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model discloses a vertical quenching machine which comprises a rack, wherein the rack is provided with a transformer which can move vertically; the electric energy output end of the transformer is connected with a magnetic sensing heater; the rack is further provided with a clamping component; the clamping component comprises an upper clamping mechanism and a lower clamping mechanism; the upper clamping mechanism comprises an upper tip cone; the lower clamping mechanism comprises a lower tip cone; and the lower tip cone is positioned below the upper tip cone. When the vertical quenching machine is used, the upper tip cone and the lower tip cone act in a joint manner and clamp a cylindrical workpiece; and after being powered on, the transformer carries out heating treatment on the cylindrical workpiece through the magnetic sensing heater. In such process, the transformer drives the magnetic sensing heater to move up and down and accomplish the quenching treatment on the whole cylindrical workpiece. According to the vertical quenching machine, the transformer and the magnetic sensing heater are moved so as to carry out the quenching treatment on the cylindrical workpiece, and the requirements on treatment can be met without positioning the vertical quenching machine in a large height, so that the vertical quenching machine has the advantages of being moderate in height and convenient to install and clamp.
Description
Technical field
The utility model relates to the quenching device technical field, relates in particular to a kind of vertical quenching machine.
Background technology
Workpiece is being carried out in the process of quench treatment, prior art generally adopts special-purpose quenching apparatus to come workpiece is carried out quench treatment, the also quenching press of existence form various kinds in the prior art.
Cylindrical work (bar) is being carried out in the process of quench treatment, vertical quenching machine is used comparatively extensive, and existing vertical quenching machine is in the quench treatment process of reality, magnetic induction heaters maintains static, cylindrical work is inserted in the magnetic induction heaters also up and down, and then finishes the quench treatment to whole cylindrical work; For satisfying the needs of quench treatment, it is very high to tend to design according to the vertical quenching machine of above-mentioned quench treatment mode, can cause like this defective that clamping is inconvenient, equipment volume is large.
The utility model content
The purpose of this utility model is to provide a kind of vertical quenching machine, the moderate and convenient mounting and clamping of this vertical quenching machine height for the deficiencies in the prior art.
For achieving the above object, the utility model is achieved through the following technical solutions.
A kind of vertical quenching machine includes frame, and frame is equiped with the vertically transformer of activity, and the electric energy output end of transformer is provided be used to the magnetic induction heaters of being inserted in cylindrical work; Frame also is equiped with the clamp assemblies for the clamping cylindrical work, the lower clamping device that clamp assemblies includes clamping device and is positioned at the clamping device below, upper clamping device includes the upper addendum cone that can vertically adjust height, lower clamping device includes the lower addendum cone that is installed in rotationally the frame bottom, lower addendum cone be positioned at addendum cone under.
Wherein, described matched transformer is equipped with the transformer mount pad, the corresponding transformer mount pad of described frame is equiped with the first motor, the clutch end of the first motor is fitted with the first screw mandrel, the clutch end of the first motor drives with the first screw mandrel and is connected, corresponding the first screw mandrel of transformer mount pad is fitted with the first nut, and the first screw mandrel and the first nut are spirally connected.
Wherein, be equiped with the first guiding mechanism between described transformer mount pad and the described frame, the first guide runner that the first guiding mechanism includes the first directive slide track and cooperates with the first directive slide track, the first directive slide track vertically is fixed in frame, and the first guide runner is fixed in the transformer mount pad.
Wherein, the second motor that described lower clamping device also includes rotating shaft and is installed in described frame bottom, described lower addendum cone can not be installed in the upper end of rotating shaft with relatively rotating, the bottom of rotating shaft is installed in the frame bottom rotationally by bearing, and the clutch end section of the second motor is connected with rotating shaft transmission.
Wherein, the clutch end of described the second motor is connected with described rotating shaft chain gear.
Wherein, the clutch end of described the second motor is connected with described rotating shaft belt transmission.
Wherein, described upper clamping device also includes the vertically adjustment seat of activity, the corresponding described upper addendum cone of adjustment seat is equiped with the interior slide bar of through hole that core offers the sleeve of through hole and is flush-mounted in movably sleeve, sleeve is installed in the top of adjustment seat, the upper end of slide bar extends to the top of sleeve, the bottom of slide bar is run through adjustment seat and is extended to the below of adjustment seat, upper addendum cone is installed in the bottom of slide bar, the upper end of slide bar is fitted with shank of the key, the leading section of shank of the key and the upper end of slide bar are hinged, contiguous block in the middle of being provided with between the middle part of shank of the key and the sleeve, the both ends of middle contiguous block are hinged with shank of the key and the sleeve of respective side respectively.
Wherein, be embedded with spring in the through hole of described sleeve, the corresponding spring of sleeve has extended shoulder block, and the corresponding spring of described slide bar has extended lower shoulder block, and spring housing is loaded on slide bar, the both ends of spring respectively with upper shoulder block and the lower shoulder block butt of respective side.
Wherein, described adjustment seat is fitted with the second screw mandrel of vertical layout, and the both ends of the second screw mandrel are installed in respectively described frame rotationally, and upper end or the bottom of the second screw mandrel are equiped with handwheel, and handwheel drives with the second screw mandrel and is connected; Corresponding the second screw mandrel of adjustment seat is provided with the second nut, and the second screw mandrel and the second nut are spirally connected.
Wherein, be equiped with the second guiding mechanism between described adjustment seat and the described frame, the guide pin bushing that the second guiding mechanism includes the second directive slide track and cooperates with guide pillar, guide pillar vertically are fixed in frame, and guide pin bushing is fixed in adjustment seat.
The beneficial effects of the utility model are: a kind of vertical quenching machine described in the utility model, include frame, and frame is equiped with the vertically transformer of activity, and the electric energy output end of transformer is provided with magnetic induction heaters; Frame also is equiped with clamp assemblies, and clamp assemblies includes clamping device and lower clamping device, and upper clamping device includes addendum cone, and lower clamping device includes lower addendum cone, lower addendum cone be positioned at addendum cone under.Cylindrical work is carried out in the process of quench treatment at the utility model, upper addendum cone and lower addendum cone teamwork also clamp cylindrical work, and wherein, upper addendum cone holds the upper end of cylindrical work, and lower addendum cone holds the bottom of cylindrical work; By magnetic induction heaters cylindrical work is carried out heat treated after the transformer energising, in this process, transformer belt dynamic magnetic induction well heater moves up and down and finishes the quench treatment to whole cylindrical work.Comprehensive above-mentioned situation as can be known, the utility model moves by transformer and magnetic induction heaters cylindrical work is carried out quench treatment, the height of the vertical quenching machine of this kind quenching mode need not the too high needs that can satisfy processing; So, the utlity model has advantage highly moderate, convenient mounting and clamping.
Description of drawings
The below utilizes accompanying drawing to come the utility model is further detailed, but the embodiment in the accompanying drawing does not consist of any restriction of the present utility model.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation at another visual angle of the utility model.
Fig. 3 is the structural representation at the another visual angle of the utility model.
Fig. 4 is the structural representation of upper clamping device of the present utility model.
Fig. 5 is the diagrammatic cross-section of upper clamping device of the present utility model.
In Fig. 1 to Fig. 5, include:
1---the upper clamping device of frame 2---transformer 3---
31---upper addendum cone 32---adjustment seat 321---the second nuts
33---the upper shoulder blocks of sleeve 331---through hole 332---
34---slide bar 341---lower shoulder block 35---shank of the keys
36---the lower clamping devices of middle contiguous block 37---spring 4---
41---lower addendum cone 42---rotating shaft 43---the second motors
5---transformer mount pad 51---first nut 6---the first motors
61---the first screw mandrel 7---first guiding mechanism 71---the first directive slide tracks
72---the first guide runner 8---second screw mandrel 81---handwheels
9---the second guiding mechanism 91---guide pillar 92---guide pin bushings.
Embodiment
Come the utility model is described below in conjunction with concrete embodiment.
Embodiment one, and as shown in Figure 1 to Figure 3, a kind of vertical quenching machine includes frame 1, and frame 1 is equiped with the vertically transformer 2 of activity, and the electric energy output end of transformer 2 is provided be used to the magnetic induction heaters (not shown) of being inserted in cylindrical work; Frame 1 also is equiped with the clamp assemblies for the clamping cylindrical work, the lower clamping device 4 that clamp assemblies includes clamping device 3 and is positioned at clamping device 3 belows, upper clamping device 3 includes the upper addendum cone 31 that can vertically adjust height, lower clamping device 4 includes the lower addendum cone 41 that is installed in rotationally frame 1 bottom, lower addendum cone 41 be positioned at addendum cone 31 under.
Further, transformer 2 is fitted with transformer mount pad 5, frame 1 corresponding transformer mount pad 5 is equiped with the first motor 6, as shown in Figure 1 to Figure 3, the first motor 6 of present embodiment one is installed on the upper end of frame 1, and the clutch end that the clutch end of the first motor 6 is fitted with the first screw mandrel 61, the first motors 6 is connected with 61 drivings of the first screw mandrel, transformer mount pad 5 corresponding the first screw mandrels 61 are fitted with the first nut 51, the first screw mandrels 61 and the first nut 51 is spirally connected.
Further, be equiped with the first guiding mechanism 7 between transformer mount pad 5 and the frame 1, the first guide runner 72 that the first guiding mechanism 7 includes the first directive slide track 71 and cooperates with the first directive slide track 71, the first directive slide track 71 vertically is fixed in frame 1, the first guide runner 72 and is fixed in transformer mount pad 5.
Below in conjunction with concrete course of action come present embodiment one is described in detail, be specially: the bottom of cylindrical work is positioned over the lower addendum cone 41 of lower clamping device 4, the upper addendum cone 31 of upper clamping device 3 moves, so that upper addendum cone 31 near and hold the upper end of cylindrical work, upper addendum cone 31 and lower addendum cone 41 combined action also clamp cylindrical work, wherein, upper addendum cone 31 and lower addendum cone 41 hold respectively the corresponding upper end of cylindrical work and bottom; After clamping to be processed is complete, transformer 2 energisings, magnetic induction heaters heats cylindrical work, start the first motor 6, the first motor 6 drives the first screw mandrel 61 and rotates, it is vertically mobile that the first screw mandrel 61 drives the first nut 51, and then it is vertically mobile to drive transformer mount pad 5, transformer 2 and magnetic induction heaters, and finally finish the quench treatment to whole cylindrical work; Need further to explain that in transformer mount pad 5 vertical mobile processes, the first guide runner 72 slides and moving exactly of transformer mount pad 5 led relative to the first directive slide track 71.
Comprehensive above-mentioned situation as can be known, the vertical quenching machine of present embodiment one is finished quench treatment to whole cylindrical work by the vertical activity of transformer 2 and magnetic induction heaters, need not to design to get the very high needs that can satisfy processing according to the vertical quenching machine of this quenching mode; So, advantage highly moderate, convenient mounting and clamping that the vertical quenching machine of present embodiment one has.
Embodiment two, as shown in figures 1 and 3, present embodiment two is with the difference of embodiment one: the second motor 43 that lower clamping device 4 also includes rotating shaft 42 and is installed in frame 1 bottom, lower addendum cone 41 can not be installed in the upper end of rotating shaft 42 with relatively rotating, the bottom of rotating shaft 42 is installed in frame 1 bottom rotationally by bearing, and clutch end section and the rotating shaft 42 of the second motor 43 are in transmission connection; Wherein, the clutch end section of the first motor 6 can adopt chain gear or belt-driven mode and rotating shaft 42 to be in transmission connection.
Vertical quenching machine at present embodiment two carries out in the process of quench treatment to cylindrical work, the second motor 43 drives rotating shaft 42 and rotates, rotating shaft 42 drives lower addendum cone 41 again and rotates, because the effect that holds of the bottom of 41 pairs of cylindrical works of lower addendum cone, lower addendum cone 41 can drive cylindrical work and rotate; Cylindrical work is carried out in the process of quench treatment in magnetic induction heaters, changing of workpieces kinetic energy guarantees that enough magnetic induction heaters carries out quench treatment to cylindrical work equably, and then improves the quenching quality.
Embodiment three, such as Fig. 1, Fig. 3, Fig. 4 and shown in Figure 5, present embodiment three is with the difference of embodiment one: upper clamping device 3 also includes the vertically adjustment seat 32 of activity, the corresponding upper addendum cones 31 of adjustment seat 32 are equiped with core and offer the sleeve 33 of through hole 331 and be flush-mounted in movably slide bar 34 in the through hole 331 of sleeve 33, sleeve 33 is installed in the top of adjustment seat 32, the upper end of slide bar 34 extends to the top of sleeve 33, the bottom of slide bar 34 is run through adjustment seat 32 and is extended to the below of adjustment seat 32, upper addendum cone 31 is installed in the bottom of slide bar 34, the upper end of slide bar 34 is fitted with shank of the key 35, the upper end of the leading section of shank of the key 35 and slide bar 34 is hinged, contiguous block 36 in the middle of being provided with between the middle part of shank of the key 35 and the sleeve 33, the both ends of middle contiguous block 36 are hinged with shank of the key 35 and the sleeve 33 of respective side respectively; Need further to explain, the slider-crank mechanism that middle contiguous block 36, shank of the key 35 and slide bar 34 form has auto-lock function, when upper addendum cone 31 held cylindrical work, slide bar 34 was can be automatically mobile up, just can drive slide bar 34 by the rearward end of breaking shank of the key 35 off with the fingers and thumb and moved and only have.
Wherein, for so that upper addendum cone 31 can flexibly hold the upper end of cylindrical work, present embodiment three has adopted following structure design, be specially: be embedded with spring 37 in the through hole 331 of sleeve 33, sleeve 33 corresponding springs 37 have extended shoulder block 332, slide bar 34 corresponding springs 37 have extended lower shoulder block 341, and spring 37 is set in slide bar 34, the both ends of spring 37 respectively with upper shoulder block 332 and lower shoulder block 341 butts of respective side.
Further, upper end or bottom that the both ends that adjustment seat 32 is fitted with the second screw mandrel 8, the second screw mandrels 8 of vertical layout are installed in respectively frame 1, the second screw mandrel 8 rotationally are equiped with handwheel 81, and handwheel 81 drives with the second screw mandrel 8 and is connected; Adjustment seat 32 corresponding the second screw mandrels 8 are provided with the second nut 321, the second screw mandrels 8 and the second nut 321 is spirally connected.
Further, for so that adjustment seat 32 can be accurately and be vertical movable reposefully, the vertical quenching machine of present embodiment three has been set up the second guiding mechanism 9, be specially: be equiped with the second guiding mechanism 9 between adjustment seat 32 and the frame 1, the guide pin bushing 92 that the second guiding mechanism 9 includes guide pillar 91 and cooperates with guide pillar 91, guide pillar 91 vertically is fixed in frame 1, and guide pin bushing 92 is fixed in adjustment seat 32.
Come the vertical quenching machine of present embodiment three is described in detail below in conjunction with concrete course of action, be specially: in the process of clamping cylindrical work, break off with the fingers and thumb downwards shank of the key 35 rearward end and so that slide bar 34 move up, when treating that cylindrical work is positioned on the lower addendum cone 41, rotate handwheel 81 and so that regulating block move down, when treating that addendum cone 31 touches the upper end of cylindrical work, upwards also so that slide bar 34 moves down, the upper addendum cone 31 of slide bar 34 drives moves down also so that upper addendum cone 31 holds the upper end of cylindrical work the rearward end of pushing tow shank of the key 35; Need further to explain that in adjustment seat 32 vertical movable processes, guide pin bushing 92 relative guide pillars 91 slide and adjustment seat 32 is led exactly.
Above content only is preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (10)
1. a vertical quenching machine includes frame (1), it is characterized in that: frame (1) is equiped with the vertically transformer (2) of activity, and the electric energy output end of transformer (2) is provided be used to the magnetic induction heaters of being inserted in cylindrical work; Frame (1) also is equiped with the clamp assemblies for the clamping cylindrical work, the lower clamping device (4) that clamp assemblies includes clamping device (3) and is positioned at clamping device (3) below, upper clamping device (3) includes the upper addendum cone (31) that can vertically adjust height, lower clamping device (4) includes the lower addendum cone (41) that is installed in rotationally frame (1) bottom, lower addendum cone (41) be positioned at addendum cone (31) under.
2. a kind of vertical quenching machine according to claim 1, it is characterized in that: described transformer (2) is fitted with transformer mount pad (5), the corresponding transformer mount pad of described frame (1) (5) is equiped with the first motor (6), the clutch end of the first motor (6) is fitted with the first screw mandrel (61), the clutch end of the first motor (6) drives with the first screw mandrel (61) and is connected, corresponding the first screw mandrel of transformer mount pad (5) (61) is fitted with the first nut (51), and the first screw mandrel (61) is spirally connected with the first nut (51).
3. a kind of vertical quenching machine according to claim 2, it is characterized in that: be equiped with the first guiding mechanism (7) between described transformer mount pad (5) and the described frame (1), the first guide runner (72) that the first guiding mechanism (7) includes the first directive slide track (71) and cooperates with the first directive slide track (71), the first directive slide track (71) vertically is fixed in frame (1), and the first guide runner (72) is fixed in transformer mount pad (5).
4. a kind of vertical quenching machine according to claim 1, it is characterized in that: the second motor (43) that described lower clamping device (4) also includes rotating shaft (42) and is installed in described frame (1) bottom, described lower addendum cone (41) can not be installed in the upper end of rotating shaft (42) with relatively rotating, the bottom of rotating shaft (42) is installed in frame (1) bottom rotationally by bearing, and the clutch end section of the second motor (43) and rotating shaft (42) are in transmission connection.
5. a kind of vertical quenching machine according to claim 4, it is characterized in that: the clutch end of described the second motor (43) is connected with described rotating shaft (42) chain gear.
6. a kind of vertical quenching machine according to claim 4, it is characterized in that: the clutch end of described the second motor (43) is connected with described rotating shaft (42) belt transmission.
7. a kind of vertical quenching machine according to claim 1, it is characterized in that: described upper clamping device (3) also includes the vertically adjustment seat (32) of activity, the corresponding described upper addendum cone of adjustment seat (32) (31) is equiped with the interior slide bar (34) of through hole (331) that core offers the sleeve (33) of through hole (331) and is flush-mounted in movably sleeve (33), sleeve (33) is installed in the top of adjustment seat (32), the upper end of slide bar (34) extends to the top of sleeve (33), the bottom of slide bar (34) is run through adjustment seat (32) and is extended to the below of adjustment seat (32), upper addendum cone (31) is installed in the bottom of slide bar (34), the upper end of slide bar (34) is fitted with shank of the key (35), the upper end of the leading section of shank of the key (35) and slide bar (34) is hinged, contiguous block (36) in the middle of being provided with between the middle part of shank of the key (35) and the sleeve (33), the both ends of middle contiguous block (36) are hinged with shank of the key (35) and the sleeve (33) of respective side respectively.
8. a kind of vertical quenching machine according to claim 7, it is characterized in that: be embedded with spring (37) in the through hole (331) of described sleeve (33), the corresponding spring of sleeve (33) (37) has extended shoulder block (332), the corresponding spring of described slide bar (34) (37) has extended lower shoulder block (341), spring (37) is set in slide bar (34), the both ends of spring (37) respectively with upper shoulder block (332) and lower shoulder block (341) butt of respective side.
9. according to claim 7 or 8 described a kind of vertical quenching machines, it is characterized in that: described adjustment seat (32) is fitted with second screw mandrel (8) of vertical layout, the both ends of the second screw mandrel (8) are installed in respectively described frame (1) rotationally, the upper end of the second screw mandrel (8) or bottom are equiped with handwheel (81), and handwheel (81) drives with the second screw mandrel (8) and is connected; Corresponding the second screw mandrel of adjustment seat (32) (8) is provided with the second nut (321), and the second screw mandrel (8) is spirally connected with the second nut (321).
10. a kind of vertical quenching machine according to claim 9, it is characterized in that: be equiped with the second guiding mechanism (9) between described adjustment seat (32) and the described frame (1), the guide pin bushing (92) that the second guiding mechanism (9) includes guide pillar (91) and cooperates with guide pillar (91), guide pillar (91) vertically is fixed in frame (1), and guide pin bushing (92) is fixed in adjustment seat (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204385813U CN202786350U (en) | 2012-08-31 | 2012-08-31 | Vertical quenching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204385813U CN202786350U (en) | 2012-08-31 | 2012-08-31 | Vertical quenching machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202786350U true CN202786350U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204385813U Expired - Lifetime CN202786350U (en) | 2012-08-31 | 2012-08-31 | Vertical quenching machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN202786350U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104357625A (en) * | 2014-12-01 | 2015-02-18 | 邢台德乐机械轧辊有限公司 | Vertical quenching machine tool |
| CN106755819A (en) * | 2016-12-30 | 2017-05-31 | 无锡明珠钢球有限公司 | Large-scale high-frequency induction hardening equipment |
| CN106811582A (en) * | 2015-11-30 | 2017-06-09 | 池州学院 | A kind of thrust wheel quenching support meanss |
| CN107662769A (en) * | 2017-10-26 | 2018-02-06 | 天津华星瑞煜科技发展有限公司 | Novel photocatalyst coating liquid storage tank device |
| CN111663088A (en) * | 2020-07-06 | 2020-09-15 | 上海交通大学 | Air quenching method and device suitable for engine piston |
-
2012
- 2012-08-31 CN CN2012204385813U patent/CN202786350U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104357625A (en) * | 2014-12-01 | 2015-02-18 | 邢台德乐机械轧辊有限公司 | Vertical quenching machine tool |
| CN106811582A (en) * | 2015-11-30 | 2017-06-09 | 池州学院 | A kind of thrust wheel quenching support meanss |
| CN106755819A (en) * | 2016-12-30 | 2017-05-31 | 无锡明珠钢球有限公司 | Large-scale high-frequency induction hardening equipment |
| CN106755819B (en) * | 2016-12-30 | 2018-11-06 | 无锡明珠钢球有限公司 | Large-scale high-frequency induction hardening equipment |
| CN107662769A (en) * | 2017-10-26 | 2018-02-06 | 天津华星瑞煜科技发展有限公司 | Novel photocatalyst coating liquid storage tank device |
| CN111663088A (en) * | 2020-07-06 | 2020-09-15 | 上海交通大学 | Air quenching method and device suitable for engine piston |
| CN111663088B (en) * | 2020-07-06 | 2021-09-28 | 上海交通大学 | Air quenching method and device suitable for engine piston |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 523000 Guangdong city of Dongguan province Zhugang Qiaotou Industrial Zone Road, Sha Tau Village Changan town Dongguan city of China Mechanical Equipment Co. Ltd. Patentee after: Guangdong Lihua induction equipment Co.,Ltd. Address before: 523000 Guangdong city of Dongguan province Zhugang Qiaotou Industrial Zone Road, Sha Tau Village Changan town Dongguan city of China Mechanical Equipment Co. Ltd. Patentee before: DONGGUAN LIHUA MACHINERY EQUIPMENT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
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| CX01 | Expiry of patent term |