CN206925207U - A kind of hole punching positioning device for opening steel pipe - Google Patents
A kind of hole punching positioning device for opening steel pipe Download PDFInfo
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- CN206925207U CN206925207U CN201720779142.1U CN201720779142U CN206925207U CN 206925207 U CN206925207 U CN 206925207U CN 201720779142 U CN201720779142 U CN 201720779142U CN 206925207 U CN206925207 U CN 206925207U
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- steel pipe
- punch
- plug
- opening steel
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Abstract
Opening steel pipe punching apparatus technical field is the utility model is related to, discloses a kind of hole punching positioning device for opening steel pipe, including punch structure and fixed structure, fixed structure includes bottom plate, fixed seat and supporting and positioning mechanism；Punch structure includes punch-pin, and punch-pin is fixedly installed in the punching executing agency of punch press；Bottom plate is fixedly installed on punch press workbench, fixed seat is fixedly installed on bottom plate left end, level is fixedly installed plug in the middle part of fixed seat, steel pipe punching end can be socketed on plug, cavity plate is vertically arranged with plug, locating ring is arranged with plug, locating ring right side is used to position opening steel tube end part, and cavity plate is adapted to punch-pin；Supporting and positioning mechanism fixes opening steel pipe in support and bottom plate, including shape of a saddle support block, shape of a saddle support block are fixedly installed on bottom plate.The utility model is simple in construction, easy to operate, ensures that punching position is accurate, and then lifts punching quality, meets the requirement of client's subsequent use.
Description
Technical field
It the utility model is related to and be related to opening steel pipe punching apparatus technical field, it is more particularly to a kind of for opening steel pipe
Hole punching positioning device.
Background technology
The opening steel pipe of customer demand needs to carry out gas shielded arc welding operation, and welding process needs to carry out essence to opening steel pipe
It is determined that position, also just needs to open up positioning hole on opening steel pipe, the position of positioning hole size of every opening steel pipe must keep phase
Precision together, in addition, when opening steel pipe is in punching, it is necessary to ensure that opening penstock installation is reliable and stable, based on above mentioned problem, sheet
Application proposes a kind of hole punching positioning device for opening steel pipe.
Utility model content
Goal of the invention of the present utility model is：For above-mentioned problem, there is provided a kind of rushing for opening steel pipe
Hole positioning device, it is simple in construction, it is easy to operate, ensure that punching position is accurate, and then punching quality is lifted, meet client
Subsequent use requirement.
The technical solution adopted in the utility model is such：A kind of hole punching positioning device for opening steel pipe, including
Punch structure and fixed structure, the fixed structure include bottom plate, fixed seat and supporting and positioning mechanism；
The punch structure includes punch-pin, and the punch-pin is fixedly installed in the punching executing agency of punch press；
The bottom plate is fixedly installed on punch press workbench, and the fixed seat is fixedly installed on bottom plate left end, described solid
Level is fixedly installed plug in the middle part of reservation, and opening steel pipe punching end can be socketed on plug, is vertically arranged with the plug
Cavity plate, locating ring is arranged with the plug, the locating ring right side is used to position opening steel tube end part, described recessed
Mould is adapted to punch-pin；Opening steel pipe is fixedly supported on bottom plate by the supporting and positioning mechanism, including shape of a saddle support block, described
Shape of a saddle support block is fixedly installed on bottom plate.
A kind of hole punching positioning device for opening steel pipe described in the utility model, the supporting and positioning mechanism also include
Wedge locating block, the wedge locating block are fixedly installed on bottom plate, and the plug bottom sets jagged, the wedge shape positioning
Block top is extended into the breach, and the wedge locating block top has straightway and wedge-shaped introduction segment, and the wedge shape imports
Section plays guide effect to opening steel pipe socket dress process, and when opening steel pipe socket installs complete, open steel tube opening clamps the straight line
Section.
A kind of hole punching positioning device for opening steel pipe described in the utility model, the locating ring are provided with vertical lack
Mouthful, when punch-pin is descending, a part of structure of its left end is located in vertical cut (V. cut).
A kind of hole punching positioning device for opening steel pipe described in the utility model, the locating ring inside have platform
Rank, the plug outer surface has step, and when locating ring is socketed on plug, the step inside locating ring is to plug outer surface
Step progress is spacing, prevents plug to be moved to the left relative to locating ring；There is step mounting hole in the middle part of the fixed seat, be socketed with
In the plug insertion step mounting hole of locating ring, locating ring left side holds out against fixed seat right side, passes through spiral shell in plug left side
Tether and be connected to platen, platen is just fitted into the step of step mounting hole, prevents plug from being moved right relative to fixed seat.
A kind of hole punching positioning device for opening steel pipe described in the utility model, the plug insert step mounting hole
Part there is rectangular section, rectangular section is corresponded in the step mounting hole and is also equipped with rectangle plane, rectangular section and
Rectangle plane fits together, and can prevent plug from being rotated relative to fixed seat.
A kind of hole punching positioning device for opening steel pipe described in the utility model, the punch structure also include mould
Handle, template, pressing plate and punch retainer, the die shank are fixedly installed on template top, and the template bottom is fixedly connected sequentially
Pressing plate and punch retainer, the punch-pin are fixedly installed on punch retainer, and the punch-pin upper surface is pushed up with pressing plate lower surface
Tightly, the die shank and template are fixedly connected with the punching executing agency of punch press.
A kind of hole punching positioning device for opening steel pipe described in the utility model, the front and back end of the template lower surface
Two guide sleeves are fixedly installed respectively, and guide pillar, punch operation are fixedly installed corresponding to the guide sleeve on the bottom plate
When, two guide pillars are respectively enterd in corresponding guide sleeve, are realized and are oriented to, the distance between the punch-pin bottom and opening steel pipe top end
More than the distance between guide sleeve bottom and guide pillar top.
A kind of hole punching positioning device for opening steel pipe described in the utility model, the guide pillar top are carried out with arc
Shape chamfering.
A kind of hole punching positioning device for opening steel pipe described in the utility model, the supporting and positioning mechanism also include
The locking plectane of bottom plate right-hand member is arranged at, after opening steel pipe installs, locking plectane can hold out against opening steel pipe right side, and realization is opened
The locking of mouth steel pipe right-hand member.
A kind of hole punching positioning device for opening steel pipe described in the utility model, the locking plectane are connected with locking
Controlling organization, the locking controlling organization are fixedly installed on bottom plate by locking bed.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：The utility model structure
Simply, it is easy to operate, punching efficiency is improved, ensure that punching position is accurate, and then punching quality is lifted, meet visitor
Family subsequent use requirement.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model left view；
Fig. 3 is the utility model right view；
Fig. 4 is the utility model and opening steel pipe scheme of installation；
Fig. 5 is Fig. 4 sectional view；
Fig. 6 is wedge locating block structural representation in the utility model；
Fig. 7 is plug structural representation in the utility model；
Fig. 8 is plug upward view in the utility model；
Fig. 9 is the utility model convex mould fixed plate structure schematic diagram；
Figure 10 is the utility model convex mould fixed plate top view；
Figure 11 is the utility model convex mould structural representation；
Figure 12 is fixed seat structure schematic diagram in the utility model；
Figure 13 is fixed seat left view in the utility model；
Figure 14 is locating ring structure schematic diagram in the utility model；
Figure 15 is locating ring right view in the utility model；
Figure 16 is the opening steel-tube construction schematic diagram for punching hole.
Marked in figure：1 is bottom plate, and 2 be fixed seat, and 3 be punch-pin, and 4 be curved portions, and 5 be rectangular portion, and 6 be guide part, and 7 are
Plug, 8 be cavity plate, and 9 be locating ring, and 10 be shape of a saddle support block, and 11 be wedge locating block, and 12 be breach, and 13 be straightway, 14
It is vertical cut (V. cut) for wedge-shaped introduction segment, 15,16 be step mounting hole, and 17 be platen, and 18 be rectangular section, and 19 be rectangle plane,
20 be die shank, and 21 be template, and 22 be pressing plate, and 23 be punch retainer, and 24 be guide sleeve, and 25 be guide pillar, and 26 be to lock plectane, 27
It is opening steel pipe for locking bed, 28.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
As shown in Fig. 1 to 16, a kind of hole punching positioning device for opening steel pipe, including punch structure and fixed structure,
The fixed structure includes bottom plate 1, fixed seat 2 and supporting and positioning mechanism；The punch structure includes punch-pin 3, punch-pin 3 it is specific
Shape is fixedly installed on the punching executing agency of punch press according to carry out specific design, the punch-pin 3 is actually needed（Do not show in figure
Go out）On；
Bottom plate 1 is fixedly installed on punch press workbench（Not shown in figure）On, the fixed seat 2 is fixedly installed on bottom plate 1
Left end, the middle part level of fixed seat 2 are fixedly installed plug 7, and opening steel pipe 28 punching end can be socketed on plug 7, plug 7
Right-hand member has arc angling so that and opening steel pipe 28 is more prone to when being socketed, and the opening internal diameter of steel pipe 28 is adapted to the external diameter of plug 7,
Opening steel pipe 28 punching end packs into one end distance of plug 7 so that fixation of the opening steel pipe 28 punching end on plug 7 is more steady
Gu being vertically arranged with cavity plate 8 on the plug 7, locating ring 9 is arranged with the plug 7, the right side of locating ring 9 is used for
The end of opening steel pipe 28 is positioned, the cavity plate 8 is adapted to punch-pin 3；
Locating ring 9 is provided with vertical cut (V. cut) 15, and when punch-pin 3 is descending, a part of structure of its left end is located in vertical cut (V. cut) 15,
Specifically, the concrete structure of punch-pin 3 includes curved portions 4, rectangular portion 5 and guide part 6 herein, and when punch-pin 3 is descending, guide part 6 is located at
In vertical cut (V. cut) 15 so that vertical cut (V. cut) 15 has certain guiding and protective effect to punch-pin 3；The supporting and positioning mechanism will
Opening steel pipe 28 is fixedly supported on bottom plate 1, including shape of a saddle support block 10, the shape of a saddle support block 10 are fixedly installed on bottom
On plate 1, the arc part of shape of a saddle support block 10 with the outer round surface of opening steel pipe 28 is intact is bonded, opening steel pipe 28 is realized
Firm support；
Supporting and positioning mechanism also includes the locking plectane 26 for being arranged at the right-hand member of bottom plate 1, after opening steel pipe 28 installs, locking
Plectane 26 can hold out against opening steel pipe 28 right side, realize the locking of the opening right-hand member of steel pipe 28, and the locking plectane 26 is connected with lock
Tight controlling organization, the locking controlling organization are fixedly installed on bottom plate 1 by locking bed 27, and controllable locking plectane 26 is right
Be open the locking and unblock of the right-hand member of steel pipe 28, and locking controlling organization may further be the structure of pneumatic control, improve its locking with
It is horizontal to unlock operation automation.
Further, the supporting and positioning mechanism also includes wedge locating block 11, and the wedge locating block 11 is fixedly installed
In on bottom plate 1, the bottom of plug 7 sets jagged 12, and the top of wedge locating block 11 is extended into the breach 12, institute
Stating the top of wedge locating block 11 has straightway 13 and wedge-shaped introduction segment 14, and the wedge-shaped introduction segment 14 is set with to opening steel pipe 28
Process plays guide effect, and when the opening suit of steel pipe 28 finishes, the opening opening of steel pipe 28 clamps the straightway 13, specifically,
The minimum thickness of wedge-shaped introduction segment 14 is less than the width of the punching end opening of opening steel pipe 28, and the thickness of straightway 13 is slightly larger than opening
The width of the punching end opening of steel pipe 28, being arranged such can ensure that opening steel pipe 28 is open smoothly clamps straight line along wedge-shaped introduction segment 14
Section 13, it ensure that opening steel pipe 28 clamps straightway 13 all the time when being installed in place, further such that opening steel pipe 28 punching end is consolidated
It is fixed firm, be advantageous to the stabilization of follow-up punch process.
Further, the inside of locating ring 9 has step, and the outer surface of plug 7 has step, and locating ring 9 is socketed
When on plug 7, step progress of the step to the outer surface of plug 7 inside locating ring 9 is spacing, prevents plug 7 relative to positioning
Ring 9 is moved to the left；The middle part of fixed seat 2 has step mounting hole 16, and the plug 7 for being socketed with locating ring 9 inserts step installation
In hole 16, the left side of locating ring 9 holds out against the right side of fixed seat 2, and platen 17, platen have been bolted in the left side of plug 7
17 just fit into the step of step mounting hole 16, prevent plug 7 from being moved right relative to fixed seat 2；The plug 7 inserts
The part of step mounting hole 16 has rectangular section 18, and the step mounting hole 16 is interior to be also equipped with square corresponding to rectangular section 18
Shape plane 19, rectangular section 18 fit together with rectangle plane 19, can prevent plug 7 from being rotated relative to fixed seat 2, so set
Put so that the installation fixation between plug 7, locating ring 9 and fixed seat 2 is more convenient, solid and reliable.
Further, the punch structure also includes die shank 20, template 21, pressing plate 22 and punch retainer 23, the mould
Handle 20 is fixedly installed on the top of template 21, and the bottom of template 21 is fixedly connected sequentially pressing plate 22 and punch retainer 23, described
Punch-pin 3 is fixedly installed on punch retainer 23, and the upper surface of punch-pin 3 is held out against with the lower surface of pressing plate 22, the He of die shank 20
Template 21 is fixedly connected with the punching executing agency of punch press；The front and back end of the lower surface of template 21 is fixedly installed two respectively
Guide sleeve 24, guide pillar 25 is fixedly installed corresponding to the guide sleeve 24 on the bottom plate 1, during punch operation, two guide pillars 25
In guide sleeve 24 corresponding to respectively enteing, realize and be oriented to, the distance between the bottom of punch-pin 3 and the top of opening steel pipe 28 are more than
The distance between the bottom of guide sleeve 24 and the top of guide pillar 25, the top of guide pillar 25 are carried out with arc angling so that guide pillar 25
Into guide sleeve 24 more smoothly, it is arranged such, there is more preferable guide effect to whole punch process, further ensure convex
Stability of the mould 3 in punch process, ensure that punching position is more accurate.
During operation, whole device has been fixedly installed on punch press workbench, is first socketed on the punching end of opening steel pipe 28
On plug 7, opening clamps the straightway 13 on the top of wedge locating block 11, and opening steel pipe 28 rear portion is arranged at shape of a saddle support block
On 10, locking plectane 26 is then held out against into opening steel pipe 28 right part by operating locking controlling organization, is then turned on punch press punching
Hole executing agency is punched out operation.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
- A kind of 1. hole punching positioning device for opening steel pipe, it is characterised in that：It is described solid including punch structure and fixed structure Determining structure includes bottom plate（1）, fixed seat（2）And supporting and positioning mechanism；The punch structure includes punch-pin（3）, the punch-pin（3）It is fixedly installed in the punching executing agency of punch press；The bottom plate（1）It is fixedly installed on punch press workbench, the fixed seat（2）It is fixedly installed on bottom plate（1）Left end, institute State fixed seat（2）Middle part level is fixedly installed plug（7）, be open steel pipe（28）Punching end can be socketed on plug（7）On, it is described Plug（7）On be vertically arranged with cavity plate（8）, the plug（7）On be arranged with locating ring（9）, the locating ring（9）Use right side In to opening steel pipe（28）End is positioned, the cavity plate（8）With punch-pin（3）Adaptation；The supporting and positioning mechanism is by opening Steel pipe（28）It is fixedly supported to bottom plate（1）On, including shape of a saddle support block（10）, the shape of a saddle support block（10）Fixed setting In bottom plate（1）On.
- A kind of 2. hole punching positioning device for opening steel pipe according to claim 1, it is characterised in that：The support is fixed Position mechanism also includes wedge locating block（11）, the wedge locating block（11）It is fixedly installed on bottom plate（1）On, the plug（7） Bottom sets jagged（12）, the wedge locating block（11）Top extends into the breach（12）It is interior, the wedge locating block （11）Top has straightway（13）With wedge-shaped introduction segment（14）, the wedge-shaped introduction segment（14）To opening steel pipe（28）It was set with Journey plays guide effect, and be open steel pipe（28）When suit finishes, be open steel pipe（28）Opening clamps the straightway（13）.
- A kind of 3. hole punching positioning device for opening steel pipe according to claim 2, it is characterised in that：The locating ring （9）It is provided with vertical cut (V. cut)（15）, punch-pin（3）When descending, a part of structure of its left end is located at vertical cut (V. cut)（15）It is interior.
- A kind of 4. hole punching positioning device for opening steel pipe according to claim 3, it is characterised in that：The locating ring （9）Inside has step, the plug（7）Outer surface has step, locating ring（9）It is socketed on plug（7）When upper, locating ring （9）Internal step is to plug（7）The step progress of outer surface is spacing, prevents plug（7）Relative to locating ring（9）To moving to left It is dynamic；The fixed seat（2）Middle part has step mounting hole（16）, it is socketed with locating ring（9）Plug（7）Insert step mounting hole （16）It is interior, locating ring（9）Left side holds out against fixed seat（2）Right side, in plug（7）Left side has been bolted platen （17）, platen（17）Just fit into step mounting hole（16）Step in, prevent plug（7）Relative to fixed seat（2）To the right It is mobile.
- A kind of 5. hole punching positioning device for opening steel pipe according to claim 4, it is characterised in that：The plug （7）Insert step mounting hole（16）Part there is rectangular section（18）, the step mounting hole（16）It is interior to be cut corresponding to rectangle Face（18）It is also equipped with rectangle plane（19）, rectangular section（18）With rectangle plane（19）Fit together, plug can be prevented（7） Relative to fixed seat（2）Rotate.
- A kind of 6. hole punching positioning device for opening steel pipe according to claim 1, it is characterised in that：The punching knot Structure also includes die shank（20）, template（21）, pressing plate（22）And punch retainer（23）, the die shank（20）It is fixedly installed on template （21）Top, the template（21）Bottom is fixedly connected sequentially pressing plate（22）And punch retainer（23）, the punch-pin（3）It is fixed It is arranged at punch retainer（23）On, the punch-pin（3）Upper surface and pressing plate（22）Lower surface is held out against, the die shank（20）And mould Plate（21）It is fixedly connected with the punching executing agency of punch press.
- A kind of 7. hole punching positioning device for opening steel pipe according to claim 6, it is characterised in that：The template （21）The front and back end of lower surface is fixedly installed two guide sleeves respectively（24）, in the bottom plate（1）It is upper to correspond to the guiding Set（24）It is fixedly installed guide pillar（25）, during punch operation, two guide pillars（25）Respectively enter corresponding guide sleeve（24）It is interior, realize It is oriented to, the punch-pin（3）Bottom and opening steel pipe（28）The distance between top is more than guide sleeve（24）Bottom and guide pillar（25） The distance between top.
- A kind of 8. hole punching positioning device for opening steel pipe according to claim 7, it is characterised in that：The guide pillar （25）Top is carried out with arc angling.
- A kind of 9. hole punching positioning device for opening steel pipe according to claim 1, it is characterised in that：The support is fixed Position mechanism also includes being arranged at bottom plate（1）The locking plectane of right-hand member（26）, be open steel pipe（28）After installing, plectane is locked（26） Opening steel pipe can be held out against（28）Right side, realize opening steel pipe（28）The locking of right-hand member.
- A kind of 10. hole punching positioning device for opening steel pipe according to claim 9, it is characterised in that：The locking Plectane（26）Locking controlling organization is connected with, the locking controlling organization passes through locking bed（27）It is fixedly installed on bottom plate（1）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720779142.1U CN206925207U (en) | 2017-06-30 | 2017-06-30 | A kind of hole punching positioning device for opening steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720779142.1U CN206925207U (en) | 2017-06-30 | 2017-06-30 | A kind of hole punching positioning device for opening steel pipe |
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| Publication Number | Publication Date |
|---|---|
| CN206925207U true CN206925207U (en) | 2018-01-26 |
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ID=61353779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720779142.1U Active CN206925207U (en) | 2017-06-30 | 2017-06-30 | A kind of hole punching positioning device for opening steel pipe |
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| Country | Link |
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| CN (1) | CN206925207U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108161030A (en) * | 2018-02-12 | 2018-06-15 | 无锡智能自控工程股份有限公司 | A kind of spherical surface processing tool based on lathe in machining V-type semicircle valve ball |
| CN108421887A (en) * | 2018-04-09 | 2018-08-21 | 南京坚固高中压阀门制造有限公司 | A kind of valve body punching die |
| CN108480482A (en) * | 2018-04-25 | 2018-09-04 | 上海德朗汽车零部件制造有限公司 | A kind of vehicle intercooler connecting tube embossing die |
| CN110090891A (en) * | 2019-05-29 | 2019-08-06 | 浙江吉山科技有限公司 | A kind of device for automobile instrument crossbeam punching |
| CN110681764A (en) * | 2019-10-28 | 2020-01-14 | 四川龙立可不锈钢管业有限公司 | Pipe perforating device and method |
| CN110718382A (en) * | 2018-07-11 | 2020-01-21 | 盾安环境技术有限公司 | Packaging mold, packaging mold assembly and coil structure packaging system |
| CN110947829A (en) * | 2019-11-29 | 2020-04-03 | 方明 | Supporting device for manufacturing electromagnetic valve body |
| CN114700430A (en) * | 2022-03-21 | 2022-07-05 | 奇瑞汽车股份有限公司 | Positioning plate |
-
2017
- 2017-06-30 CN CN201720779142.1U patent/CN206925207U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108161030A (en) * | 2018-02-12 | 2018-06-15 | 无锡智能自控工程股份有限公司 | A kind of spherical surface processing tool based on lathe in machining V-type semicircle valve ball |
| CN108161030B (en) * | 2018-02-12 | 2024-05-10 | 无锡智能自控工程股份有限公司 | Sphere processing tool for processing V-shaped semicircular valve ball based on numerical control lathe |
| CN108421887A (en) * | 2018-04-09 | 2018-08-21 | 南京坚固高中压阀门制造有限公司 | A kind of valve body punching die |
| CN108480482A (en) * | 2018-04-25 | 2018-09-04 | 上海德朗汽车零部件制造有限公司 | A kind of vehicle intercooler connecting tube embossing die |
| CN108480482B (en) * | 2018-04-25 | 2024-05-10 | 上海德朗汽车散热器制造有限公司 | Automobile intercooler connecting pipe rib pressing die |
| CN110718382A (en) * | 2018-07-11 | 2020-01-21 | 盾安环境技术有限公司 | Packaging mold, packaging mold assembly and coil structure packaging system |
| CN110090891A (en) * | 2019-05-29 | 2019-08-06 | 浙江吉山科技有限公司 | A kind of device for automobile instrument crossbeam punching |
| CN110681764A (en) * | 2019-10-28 | 2020-01-14 | 四川龙立可不锈钢管业有限公司 | Pipe perforating device and method |
| CN110681764B (en) * | 2019-10-28 | 2024-05-17 | 四川龙立可不锈钢管业有限公司 | Pipe perforating device and perforating method |
| CN110947829A (en) * | 2019-11-29 | 2020-04-03 | 方明 | Supporting device for manufacturing electromagnetic valve body |
| CN114700430A (en) * | 2022-03-21 | 2022-07-05 | 奇瑞汽车股份有限公司 | Positioning plate |
| CN114700430B (en) * | 2022-03-21 | 2023-01-03 | 奇瑞汽车股份有限公司 | Positioning plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" |
Address after: Shanchuan community, Jine street, Longchang City, Neijiang City, Sichuan Province Patentee after: Longchang Shanchuan Machinery Co.,Ltd. Address before: Shanchuan Town, Longchang County, Neijiang City, Sichuan Province Patentee before: LONGCHANG SHANCHUAN PRECISION WELDED TUBE Co.,Ltd. |
|
| CP03 | "change of name, title or address" |