CN108015600A - A kind of fixture for the processing of pliers body automatic vertical - Google Patents
A kind of fixture for the processing of pliers body automatic vertical Download PDFInfo
- Publication number
- CN108015600A CN108015600A CN201810046432.4A CN201810046432A CN108015600A CN 108015600 A CN108015600 A CN 108015600A CN 201810046432 A CN201810046432 A CN 201810046432A CN 108015600 A CN108015600 A CN 108015600A
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- CN
- China
- Prior art keywords
- pliers
- column
- processing
- fixture
- pliers body
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/06—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of pushers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/12—Sorting arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Abstract
The invention discloses a kind of fixture for the processing of pliers body automatic vertical, it includes first layer platform and three column-like guides being fixed thereon, is equipped with movable push on guide rail, and the push plate front end of movable push is provided with striker plate；Be provided with the striker plate with the matched guide pin in mill hole on pliers head, and on the downside of the front of striker plate be provided with the feeding table for being used to support pliers body to be mounted；The anterior end of column-like guides is provided with the spring stack for coordinating with striker plate.The object of the present invention is to provide a kind of fixture for the processing of pliers body automatic vertical, realize that automatic sequence is put using the own characteristic of pliers, it is not necessary to carry out flange tiling, reduce manufacturing procedure, machining period is reduced, technical support is provided for efficiently production, easy to subsequent automated processing.
Description
Technical field
The invention belongs to hardware tool manufacturing field, is related to a kind of process equipment of pliers, is specially that one kind is used for pliers
The fixture of body automatic vertical processing.
Background technology
Pliers is a kind of very extensive hardware tool of use occasion, and pliers head thereon point is the main work of pliers
Make key element, for shearing electric wire, iron wire or sheet iron etc..Pliers camera function area generally comprises following key element：Inner cutter hole,
Outer cutting edge, square opening, mill, as Figure 1-Figure 2, pliers body 80 are made of centrosymmetric two one side of something in left and right, it is wrapped respectively
Include that pliers is first 81, pliers handle 82；On pliers first 81, the outer cutting edge 802, inner cutter hole 803 and side of shearing are separately provided for
Mouth 804, and the mill 801 for assembling, and the mill hole 805 for assembling.
In existing pliers head processing technology, when manufacturing pliers, this four elements on pliers head are respectively by two
Eight processing stations of procedure point are completed, and left pliers body does No. four clampings, four processing stations；Right pliers body makees four dresses
Folder, four processing stations；And existing technology is mostly artificial clamping, cause production efficiency low, labor intensity is big.
To trace it to its cause and be, existing pliers is since structure is more complicated, the generally mixed stack up after blank shaping,
Without stacking in a row in sequence, one looks for material to waste part-time to process, and two come since feeding is inconsistent, cannot accomplish certainly
Dynamic processing feeding.
Automatic positioning of the prior art to pliers is erected in the form of guide rail come, i.e., state as shown in Figure 3, the knot
The automatic turning that structure realizes pliers body using the self gravitation of pliers head positions；Meanwhile in processing, make pliers using push plate
Body is laid in machine table after being overturn, then using fixture clamping.
But the guide rail structure is in actual use fixed pliers body, it is necessary to reuse positioning element, and
During carrying out movement, there are the possibility of the sideslip of certain probability（Sideslip probability is 0.5 ‰ or so）, it is unfavorable for automation and send
Material processing；And pliers body wastes more machining period during carrying out overturning, it is unfavorable for rapid processing production；
In addition, come --- to carry out --- upset tiling --- and during clamping is processed, product jump easily occur by erecting in pliers
Dynamic, individual cases influence processing, it is necessary to which manually error correction intervention, wastes process time, cause to bear to management.
For ripe hardware tool, how price improves processing technology than relatively low, and Improving The Quality of Products and reduction add
Work cost is the important goal of all processors.
The content of the invention
The purpose of the present invention is in view of the above problems, providing a kind of fixture for the processing of pliers body automatic vertical, utilization
The own characteristic of pliers realizes that automatic sequence is put, it is not necessary to carries out flange tiling, reduces manufacturing procedure, reduce machining period,
Technical support is provided for efficiently production, easy to subsequent automated processing.
In order to achieve the above object, the technical solution adopted by the present invention is：A kind of folder for the processing of pliers body automatic vertical
Tool, it includes first layer platform（1）And three column-like guides being fixed thereon, movable push is equipped with guide rail
（4）, and movable push（4）Push plate front end be provided with striker plate（5）；The striker plate（5）On be provided with and the mill on pliers head
The matched guide pin of disk hole（53）, and in striker plate（5）Front on the downside of be used to support pliers body to be mounted with being provided with
Feeding table；It is provided with and is used for and striker plate in the anterior end of column-like guides（5）The spring stack of cooperation.
Further, the first layer platform（1）Front on the downside of be provided with second layer platform（2）, and first layer platform
（1）With second layer platform（2）Between pass through the stock guide that is obliquely installed（3）Connection；In stock guide（3）On be provided with movable span
（31）, the spring stack is arranged on movable span（31）It is interior.
Further, the spring stack includes being arranged on movable span（31）The bottom spring column base of lower section（7）, and elasticity
The bottom spring stack of activity on it（71）, bottom spring stack（71）Activity direction is upward.
Further, the spring stack includes being arranged on movable span（31）The top spring column base of top（6）, and elasticity
The top spring stack of activity on it（61）, top spring stack（61）Activity direction is downward.
Further, the striker plate（5）On be provided with and the matched location hole of spring stack.
Further, the striker plate（5）Structure is the structure identical with the external contouring of pliers to be processed, and in pliers
Head position is provided with feeding table, including is arranged on the first material conveying platform at pliers head mill（51）, and it is inclined at pincers
The second feeding table at the front end arc of subheader（52）, and the first material conveying platform（51）With the second feeding table（52）It is in backgauge
Plate（5）Lower section and extend forwardly into few one width for erecting pliers body when coming.
Further, three column-like guides are in the first platform（1）On position relationship be：First column-like guides（11）Place
In the one end of pliers head away from mill, the second column-like guides（12）It is at the lower face at pliers head mill hole, the 3rd column
Guide rail（13）The middle circular arc being in where pliers handle middle-end.
Further, being in that pliers head point mouth position to be fixed is provided with front of the end of column-like guides can left and right pendulum
Dynamic flexible stripper（8）.
Further, the movable push（4）Lower section and three column-like guides parallel contacts, and movable push（4）Bottom side
Face is provided with guide groove and is embedded with column-like guides.
Further, the striker plate（5）Upper setting with the matched guide pin in mill hole on pliers head（53）For
Elastic thimble, and its front is conical structure.
Beneficial effects of the present invention：The present invention provides a kind of fixture for the processing of pliers body automatic vertical, pincers are utilized
The own characteristic of son realizes that automatic sequence is put, it is not necessary to carries out flange tiling, reduces manufacturing procedure, reduces machining period, be
Efficiently production provides technical support, easy to subsequent automated processing.
1st, the pliers body fallen under overturning on discharge guide is consistent in discharge port head direction, but positive and negative not consistent；
Gravity of the present invention is employed from return ordering structure, facilitates the pliers decorum one to be moved to completely the same, and with subsequent handling clamping
With processing.
2nd, positioning element need not be reused pliers body is fixed, and during movement is carried out, there is no one
Determine the possibility of the sideslip of probability, be conducive to automate feeding processing.
3rd, pliers body can position processing without upset, save more machining period, be conducive to rapid processing production.
4th, avoiding pliers body from coming by erecting, --- carrying out --- upset tiling ---, clamping produces during processing
Product are beated, so that since individual cases influence to process, are avoided artificial error correction intervention, are saved process time, alleviate management
Burden.
5th, clamp structure is simply firm, it is not necessary to which extra equipment, cost is low, efficient.
Brief description of the drawings
Fig. 1 is pliers body decomposition texture schematic diagram to be processed.
Fig. 2 is left half of pliers body main structure diagram in Fig. 1.
Fig. 3 is the automatic putting schematic diagram in orbit of this pliers body 80.
Fig. 4 is dimensional structure diagram of the present invention.
Fig. 5 is schematic top plan view in Fig. 4.
Fig. 6 is schematic front view in Fig. 4.
Fig. 7 is the working state schematic representation of apparatus of the present invention clamping clip daughter 80.
Working state schematic representation when Fig. 8 is apparatus of the present invention material returned.
Fig. 9 is schematic front view in Fig. 8.
Label character is expressed as described in figure：80th, pliers body；81st, pliers head；82nd, pliers handle；801st, mill；802nd, it is outer
Cutting edge；803rd, inner cutter hole；804th, square opening；805th, mill hole；
1st, first layer platform；11st, the first column-like guides；12nd, the second column-like guides；13rd, the 3rd column-like guides；2nd, the second layer is put down
Platform；3rd, stock guide；31st, movable span；4th, movable push；5th, striker plate；51st, the first feeding table；52nd, the second feeding table；53rd, guide
Pin；54th, top location hole；55th, bottom location hole；6th, top spring column base；61st, top spring stack；7th, bottom spring column base；
71st, bottom spring stack；8th, stripper.
Embodiment
In order to make those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings to the present invention into
Row is described in detail, and the description of this part is only exemplary and explanatory, should not there is any limitation to protection scope of the present invention
Effect.
As Figure 4-Figure 6, concrete structure of the invention is：A kind of fixture for the processing of pliers body automatic vertical, it
Including first layer platform 1 and three column-like guides being fixed thereon, movable push 4 is equipped with guide rail, and it is living
The push plate front end of dynamic push plate 4 is provided with striker plate 5；It is provided with the striker plate 5 and the mill hole on pliers head is matched leads
Material pin 53, and with being provided with the feeding table for being used to support pliers body to be mounted on the downside of the front of striker plate 5；In column-like guides
Anterior end is provided with the spring stack for coordinating with striker plate 5.
Preferably, second layer platform 2, and first layer platform 1 and second are provided with the downside of the front of the first layer platform 1
Connected between layer platform 2 by the stock guide 3 being obliquely installed；Movable span 31 is provided with stock guide 3, the spring stack is arranged on
In movable span 31.Stock guide 3 is employed, plays the role of flexible undertaking whereabouts pliers body 80, while be avoided that under pliers body 80
The spring column assembly of lower section is hit during falling.
Preferably, the spring stack includes the bottom spring column base 7 for being arranged on the lower section of movable span 31, and elasticity activity exists
Bottom spring stack 71 thereon, 71 activity direction of bottom spring stack is upward.
Preferably, the spring stack includes the top spring column base 6 for being arranged on the top of movable span 31, and elasticity activity exists
Top spring stack 61 thereon, 61 activity direction of top spring stack is downward.
Preferably, it is provided with the striker plate 5 and the matched location hole of spring stack.As shown in figure 9, in striker plate 5
On, its top is provided with top location hole 54 and is engaged with top spring stack 61, and 5 bottom of striker plate is provided with bottom location hole
55 are engaged with bottom spring stack 71.
Preferably, 5 structure of striker plate is the structure identical with the external contouring of pliers to be processed, and on pliers head
Position is provided with feeding table, including is arranged on the first material conveying platform 51 at pliers head mill, and is inclined at pliers head
The second feeding table 52 at the arc of front end, and the first material conveying platform 51 and the second feeding table 52 are in the lower section of striker plate 5 simultaneously
Extend forwardly into a few width for erecting pliers body when coming.It is so designed that, pliers body 80 can be effectively stored, before implementation
Avoid rocking or beating during shifting, ensure that clamping is definitely effective.
Preferably, position relationship of three column-like guides on the first platform 1 is：First column-like guides 11 are in pliers
The one end of head away from mill, the second column-like guides 12 are at the lower face at pliers head mill hole, at the 3rd column-like guides 13
Middle circular arc where pliers handle middle-end.
Preferably, pliers head point mouth position to be fixed is in front of the end of the column-like guides to be provided with and can swing
Flexible stripper 8.Using flexible discharging harden structure, first, occurring push when can be processed to avoid clamping excessively, second, side
Just discharging.
Preferably, the lower section of movable push 4 and three column-like guides parallel contacts, and 4 bottom sides of movable push are set
There is guide groove to be embedded with column-like guides.Designed using guide-track groove, be avoided that push plate offset error.
Preferably, being set on the striker plate 5 with the matched guide pin 53 in mill hole on pliers head is elastic top
Pin, and its front is conical structure.Using elastic thimble, contact is facilitated to find accurately, fast and easy centering, easy to rapid processing.
Relevant push plate driving and control system are since it is conventional design in the present invention, and the emphasis of non-invention,
For the narration simplicity of behavior, omission processing has been carried out.
When specifically used, as shown in Figure 4, Figure 5, under fall on pliers body 80 to be processed on clamp rail as shown in Figure 3 into
Automated location of having gone adjustment and under the effect of gravity self uprights；Then the striker plate 5 in movable push 4 and front promotes
Pliers body 80 is moved forward along guide rail.The guide pin 53 on striker plate 5 is interspersed at the mill hole 805 of pliers body 80 real at the same time
Row alignment centering, then the first feeding table 51 of the lower section of striker plate 5, the second material conveying platform 52 accept pliers body as feeding table
80 bottom and therewith face contact, and go ahead and are moved to outside guide rail end, as shown in Figure 6.
Top spring stack 61 allowed in the pliers body top location hole 54 after 80s for being embedded in striker plate 5 at this time, bottom spring
Column 71 allowed in the pliers body bottom location hole 55 after 80s for being embedded in striker plate 5, realized positioning and clamping；Then in pliers to be processed
The anterior position of body 80, sets process tool to carry out surface processing.Process tool a variety of can be set, and not retouched herein
State.
After completion of processing, movable push 4 is moved rearwards, at this time due to the first feeding table 51,52 conduct of the second material conveying platform
Feeding table accepts the bottom of pliers body 80 and face contacts therewith, and the pliers body 80 after processing has the trend retreated therewith；And by
It is in top spring stack 61, bottom spring stack 71 between striker plate 5 and pliers body 80, plays the role of separated isolation, from
And cause the pliers body 80 of completion of processing departs to drop to lower section.As shown in Fig. 8, Fig. 9.
In this way, complete the automatic vertical process operation of pliers body.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or equipment including a series of elements not only include those key elements, and
And other elements that are not explicitly listed are further included, or further include as this process, method, article or equipment institute inherently
Key element.
Specific case used herein is set forth the principle of the present invention and embodiment, the explanation of above example
It is only intended to help the method and its core concept for understanding the present invention.The above is only the preferred embodiment of the present invention, should
When pointing out, due to the finiteness of literal expression, and objectively there are unlimited concrete structure, for the common skill of the art
For art personnel, without departing from the principle of the present invention, some improvement, retouching or change can also be made, can also incited somebody to action
Above-mentioned technical characteristic is combined by rights；These improve retouching, change or combination, or the not improved structure by invention
Think and technical solution directly applies to other occasions, be regarded as protection scope of the present invention.
Claims (10)
1. a kind of fixture for the processing of pliers body automatic vertical, it is characterised in that it includes first layer platform（1）It is and fixed
Three column-like guides on it, are equipped with movable push on guide rail（4）, and movable push（4）Push plate front end set
It is equipped with striker plate（5）；The striker plate（5）On be provided with and the matched guide pin in mill hole on pliers head（53）, and keeping off
Flitch（5）Front on the downside of be provided with the feeding table for being used to support pliers body to be mounted；Set in the anterior end of column-like guides
It is equipped with and is used for and striker plate（5）The spring stack of cooperation.
2. a kind of fixture for the processing of pliers body automatic vertical according to claim 1, it is characterised in that described first
Layer platform（1）Front on the downside of be provided with second layer platform（2）, and first layer platform（1）With second layer platform（2）Between pass through
The stock guide being obliquely installed（3）Connection；In stock guide（3）On be provided with movable span（31）, the spring stack is arranged on movable span
（31）It is interior.
A kind of 3. fixture for the processing of pliers body automatic vertical according to claim 2, it is characterised in that the spring
Column includes being arranged on movable span（31）The bottom spring column base of lower section（7）, and the bottom spring stack of elasticity activity on it
（71）, bottom spring stack（71）Activity direction is upward.
A kind of 4. fixture for the processing of pliers body automatic vertical according to claim 2, it is characterised in that the spring
Column includes being arranged on movable span（31）The top spring column base of top（6）, and the top spring stack of elasticity activity on it
（61）, top spring stack（61）Activity direction is downward.
A kind of 5. fixture for the processing of pliers body automatic vertical according to claim 1, it is characterised in that the backgauge
Plate（5）On be provided with and the matched location hole of spring stack.
A kind of 6. fixture for the processing of pliers body automatic vertical according to claim 1, it is characterised in that the backgauge
Plate（5）Structure is the structure identical with the external contouring of pliers to be processed, and pliers head position is provided with feeding table, including is set
Put the first material conveying platform at pliers head mill（51）, and it is inclined at the second feeding at the front end arc of pliers head
Platform（52）, and the first material conveying platform（51）With the second feeding table（52）It is in striker plate（5）Lower section and extend forwardly into few
One width for erecting pliers body when coming.
A kind of 7. fixture for the processing of pliers body automatic vertical according to claim 1, it is characterised in that three column
Shape guide rail is in the first platform（1）On position relationship be：First column-like guides（11）The one end of pliers head away from mill is in, the
Two column-like guides（12）It is at the lower face at pliers head mill hole, the 3rd column-like guides（13）It is in where pliers handle middle-end
Middle circular arc.
A kind of 8. fixture for the processing of pliers body automatic vertical according to claim 1, it is characterised in that the column
Pliers head point mouth position to be fixed, which is in, in front of the end of guide rail is provided with the flexible stripper that can be swung（8）.
9. a kind of fixture for the processing of pliers body automatic vertical according to claim 1-8 any one, its feature exist
In the movable push（4）Lower section and three column-like guides parallel contacts, and movable push（4）It is embedding that bottom sides are provided with guide groove
Enter there are column-like guides.
10. a kind of fixture for the processing of pliers body automatic vertical according to claim 1-8 any one, its feature exist
In the striker plate（5）Upper setting with the matched guide pin in mill hole on pliers head（53）For elastic thimble, and before it
Side is conical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810046432.4A CN108015600A (en) | 2018-01-18 | 2018-01-18 | A kind of fixture for the processing of pliers body automatic vertical |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810046432.4A CN108015600A (en) | 2018-01-18 | 2018-01-18 | A kind of fixture for the processing of pliers body automatic vertical |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108015600A true CN108015600A (en) | 2018-05-11 |
Family
ID=62071582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810046432.4A Withdrawn CN108015600A (en) | 2018-01-18 | 2018-01-18 | A kind of fixture for the processing of pliers body automatic vertical |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108015600A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436177A (en) * | 2019-08-15 | 2019-11-12 | 多维联合集团有限公司 | A kind of loading assemblies |
| CN110654844A (en) * | 2019-10-10 | 2020-01-07 | 湖南精专自动化技术有限公司 | Automatic conveying and positioning device for machining clamp body |
| CN112264820A (en) * | 2020-10-19 | 2021-01-26 | 湖南龙霸五金工具制造有限公司 | Automatic positioning and clamping mechanism for pliers |
-
2018
- 2018-01-18 CN CN201810046432.4A patent/CN108015600A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436177A (en) * | 2019-08-15 | 2019-11-12 | 多维联合集团有限公司 | A kind of loading assemblies |
| CN110654844A (en) * | 2019-10-10 | 2020-01-07 | 湖南精专自动化技术有限公司 | Automatic conveying and positioning device for machining clamp body |
| CN112264820A (en) * | 2020-10-19 | 2021-01-26 | 湖南龙霸五金工具制造有限公司 | Automatic positioning and clamping mechanism for pliers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 422800 No. 18, Shaoxian street, xianchaqiao Town, Shaodong county, Shaoyang City, Hunan Province Applicant after: Hunan harmonious hardware and electromechanical Co.,Ltd. Address before: 422800 No. 18, Shaoxian street, xianchaqiao Town, Shaodong county, Shaoyang City, Hunan Province Applicant before: SHAODONG HEXIE HARDWARE Co. |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220721 Address after: 422800 building F3, Longteng Industrial Park, Lvting Avenue, liangshitang street, Shaodong City, Shaoyang City, Hunan Province Applicant after: HUNAN JINGZHUAN AUTOMATION TECHNOLOGY Co.,Ltd. Address before: 422800 No. 18, Shaoxian street, xianchaqiao Town, Shaodong county, Shaoyang City, Hunan Province Applicant before: Hunan harmonious hardware and electromechanical Co.,Ltd. |
|
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180511 |