CN1958188A - Method for fabricating helical spring bunch, and fabricating equipment - Google Patents
Method for fabricating helical spring bunch, and fabricating equipment Download PDFInfo
- Publication number
- CN1958188A CN1958188A CN 200610060808 CN200610060808A CN1958188A CN 1958188 A CN1958188 A CN 1958188A CN 200610060808 CN200610060808 CN 200610060808 CN 200610060808 A CN200610060808 A CN 200610060808A CN 1958188 A CN1958188 A CN 1958188A
- Authority
- CN
- China
- Prior art keywords
- steel wire
- spring
- manipulator
- guiding steel
- clip
- 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
Images
Landscapes
- Springs (AREA)
- Wire Processing (AREA)
Abstract
A technology for manufacturing a string of spiral springs includes such steps as providing a guiding steel wire with a tail connected with an exchangeable steel wire, manufacture a spiral spring, passing said guiding steel wire through it, making the spiral spring to slide along the exchangeable steel wire, repeating said steps until said exchangeable steel wire is full of the spiral springs, and exchanging it with another steel wire. Its apparatus is also disclosed.
Description
Technical field
The present invention relates to a kind of helical method for processing and machinery thereof, be specifically related to a kind of processing method and device thereof that is provided with the helical spring string of guiding steel wire and serial connection steel wire.
Background technology
Helical spring production method of the prior art, be with the spring processing equipment spring is rolled finish cut-out after, directly be linked into spring in the product box by connecing property management, spring is being carried out quality examination, during following process, because the case shock mount is monomer, plenty of time need be expended when taking out arrangement, and, because the spring structure of certain model is comparatively complicated, also easily cause the situations such as agglomerating of twining when taking out arrangement, particularly when spring such as need electroplate at post-production, the spring monomer also easily twines agglomerating at electroplating process, also need to put in order one by one and pack after the processing, and be not easy to carry out the quality inspection in process, control and supervision, thereby, caused spring quality instability and operating efficiency in the operation operation of back low.
The spiral processing unit (plant) of prior art, production be the spring monomer, still do not have can be directly with each spring monomer serial connection bunchiness.
Summary of the invention
At existing above-mentioned shortcoming in the prior art, one of purpose of the present invention is, a kind of processing method of helical spring string is provided, and this method is preset with a guiding steel wire and serial connection steel wire, can directly the spring monomer of producing be connected in series bunchiness, and be fixed;
The present invention also aims to, providing a kind of spring that adopts above-mentioned processing method to serially add frock puts, this device is provided with one and is used for the guiding steel wire of spring monomer serial connection bunchiness is worn device, by this device, can be with the spring monomer of producing, constantly serial connection is convenient to packing, use and following process for quantity or the fixing spring string of length.
The present invention realizes that the technical scheme that above-mentioned purpose adopts is:
A kind of processing method of helical spring string is characterized in that it comprises the steps:
1. preset a guiding steel wire, the end of this steel wire connects a removable serial connection steel wire;
2. the raw material steel wire is rolled and be processed as helical spring;
3. will be in the helical spring the anterior alignment guidance steel wire head in pipe middle part, and cut off spring afterbody steel wire, be set in naturally on the described guiding steel wire after making its landing, and via guiding the steel wire landing to being connected in series steel wire;
4. repeating step 2)~step 3), make spring successively bunchiness be set on the described serial connection steel wire, form the spring string;
5. the spring on being set in described serial connection steel wire reaches when setting quantity or serial connection length, takes off this serial connection steel wire, and changes a new serial connection steel wire;
6. repeating step 2)~step 5).
The processing method of aforesaid helical spring string is characterized in that, described guiding steel wire front end also is provided with one and is used for the draw point that guide springs is inserted in; The end of described steel wire also is provided with one and is used for entangling described guiding steel wire and the sebific duct that is connected in series the steel wire joint.
The processing method of aforesaid helical spring string is characterized in that, described step 1) is that the guiding steel wire directly is fixed on the core in advance.
The processing method of aforesaid helical spring string is characterized in that, described step 1) also comprises the steps: to set gradually the manipulator that three front ends in upper, middle and lower have clip; The guiding steel wire is clamped on the clip of the middle part of establishing in advance and bottom manipulator front end;
Described step 2) also comprise the steps: spring roll machine cut-out before, the top manipulator is opened forward stretches out, its clip resets after clamping spring; This moment, three manipulator clip centers were on the vertical curve middle part and the described guiding steel wire of bottom manipulator clip clamping; Top manipulator intermediate plate opens, and spring is fallen into above the guiding steel wire that middle part manipulator and bottom manipulator clamp naturally; When spring dropped on the guiding steel wire, middle part manipulator intermediate plate opened, and bottom manipulator clip does not open, and spring is dropped on the manipulator of bottom; After spring dropped on the manipulator of bottom, the intermediate plate closure of middle part manipulator was clamped the guiding steel wire, and bottom manipulator clip opens, and spring falls along the guiding steel wire, was slipped to naturally on the serial connection steel wire.
The processing method of aforesaid helical spring string is characterized in that, described step 1) also comprises the steps: to set gradually the manipulator that upper and lower two front ends have clip; The guiding steel wire is clamped on the clip of having established described upper and lower two manipulator front ends in advance;
Described step 2) comprises the steps: that also upper and lower two manipulators move up together with its guiding steel wire of clamping before the spring roll-forming cuts off, make guiding steel wire front end aim at the middle part of pipe front end in the described spring; Cut off spring, spring is fallen into above the guiding steel wire of two manipulator clampings naturally; When spring dropped on the guiding steel wire, top manipulator intermediate plate opened, and bottom manipulator clip does not open, and spring is dropped on the manipulator of bottom; After spring dropped on the manipulator of bottom, the intermediate plate closure of top manipulator was clamped the guiding steel wire, and bottom manipulator clip opens, and spring falls along the guiding steel wire, was slipped to naturally on the serial connection steel wire.
A kind of spring that adopts said spiral spring string processing method serially adds frock and puts, it comprises drive unit, transmission device, rolling device and shearing device, aforementioned means all is installed on the frame, rolling device comprise star be distributed in the some coiling bars on the winder and be arranged on the winder axle, and outwardly directed axle core, it is characterized in that it comprises that also a guiding steel wire that is arranged on the described frame wears device; Described guiding steel wire wears device and comprises a guiding steel wire, and this steel wire end is connected with a removable serial connection steel wire; Described guiding steel wire wears device, when shearing device cuts off spring, will be in the described guiding steel wire front end alignment springs middle part of pipe front end, spring fallen naturally and be set on this guiding steel wire, and and then fall and be set in to being connected in series on the steel wire formation spring string.
Aforesaid guiding steel wire front end also is provided with one and is used for the draw point that guide springs is inserted in, and this draw point is with described guiding steel wire one and through a section of cut-off processing; The end of described steel wire also is provided with one and is used for entangling described guiding steel wire and the sebific duct that is connected in series the steel wire joint; The diameter of bore of described sebific duct is slightly less than the diameter of described guiding steel wire and serial connection steel wire, and the latter two one section all can insert in this sebific duct, and is utilized its elastic contractile force that the two is fixed by this sebific duct; When changing the serial connection steel wire, former serial connection steel wire can be extracted out from described sebific duct, then anterior this sebific duct that inserts of new serial connection steel wire be got final product.
Aforesaid spring serially adds frock and puts, and it is characterized in that, it is the one section guiding steel wire that directly is fixed on the described axle core that described guiding steel wire wears device, after described spring is cut off directly along this guiding steel wire landing to being connected in series on the steel wire.
Aforesaid spring serially adds frock and puts, and it is characterized in that, described guiding steel wire wears device, is three manipulators in top, middle part, bottom that are fixed on the described frame, and the front end of this manipulator is respectively equipped with a clip that can open and close up; Described clip is used for clamping or unclamp the guiding steel wire.
Aforesaid spring serially adds frock and puts, and it is characterized in that, described guiding steel wire wears device, is two manipulators in top, bottom that are fixed on the described frame, and the front end of this manipulator is respectively equipped with a clip that can open and close up; Described clip is used for clamping or unclamp the guiding steel wire.
Aforesaid spring serially adds frock and puts, and it is characterized in that, described manipulator is a Pneumatic manipulator, and it comprises pneumatic means, front end clip in the rear portion stiff end, arm, arm and is connected some gas lines on the arm.
The invention has the advantages that: spring string processing method provided by the present invention, it is the spring string of a rule that the spring monomer constantly is connected in series, and the serial connection steel wire that is located in its interior pipe is fixed, in packing, use, during post-production, the serial connection steel wire that connects each spring string, each spring monomer can be organized in an orderly manner, be convenient in packing, quality testing in use and the following process process, control, thereby stabilizing spring quality status in process of production, thoroughly solved the agglomerating phenomenon of winding that wherein exists, improved production efficiency greatly, can guarantee product quality, and reduce production costs.
Description of drawings
Fig. 1 is that the embodiment of the invention 1 spring serially adds the main TV structure schematic diagram that frock is put.
Fig. 2 is that the embodiment of the invention 2 springs serially add the perspective view that frock is put.
Fig. 3 is the main TV structure schematic diagram of Fig. 2.
Fig. 4 is that the embodiment of the invention 2 springs serially add the perspective view that frock is put.
Fig. 5 is the main TV structure schematic diagram of Fig. 4.
Fig. 6 is the perspective view of manipulator among embodiment 2 and the embodiment 3.
Fig. 7 guides steel wire among the embodiment 1 and is connected in series steel wire syndeton enlarged diagram.
Among the figure: 1, frame; 2, axle core; 3, guiding steel wire; 4, top manipulator; 5, middle part manipulator; 6, bottom manipulator; 7, arm; 8, front end clip; 9, winder; 10, serial connection steel wire; 11, sebific duct.
The present invention is further described below in conjunction with drawings and Examples.
The specific embodiment
1. preset a guiding steel wire, the end of this steel wire connects a removable serial connection steel wire;
2. the raw material steel wire is rolled and be processed as helical spring;
3. will be in the helical spring the anterior alignment guidance steel wire head in pipe middle part, and cut off spring afterbody steel wire, be set in naturally on the described guiding steel wire after making its landing, and via guiding the steel wire landing to being connected in series steel wire;
4. repeating step 2)~step 3), make spring successively bunchiness be set on the described serial connection steel wire, form the spring string;
5. the spring on being set in described serial connection steel wire reaches when setting quantity or serial connection length, takes off this serial connection steel wire, and changes a new serial connection steel wire;
6. repeating step 2)~step 5).
The processing method of aforesaid helical spring string, described guiding steel wire front end also are provided with one and are used for the draw point that guide springs is inserted in; The end of described steel wire also is provided with one and is used for entangling described guiding steel wire and the sebific duct that is connected in series the steel wire joint.
The processing method of aforesaid helical spring string, described step 1) is that the guiding steel wire directly is fixed on the core in advance.
Referring to Fig. 1, providing a kind of helical spring that adopts said method to serially add frock puts, it comprises drive unit, transmission device, rolling device and shearing device, aforementioned means all is installed on the frame (1), rolling device comprises that star is distributed in the some coiling bars on the winder (9) and is arranged on that 9 of winders are gone up, and outwardly directed axle core (2), and it comprises that also a guiding steel wire that is arranged on the described frame (1) wears device; Described guiding steel wire wears device and comprises a guiding steel wire (3), and this steel wire (3) end is connected with a removable serial connection steel wire (10); Described guiding steel wire (3) wears device, when shearing device cuts off spring, will described guiding steel wire (3) front end alignment springs in the middle part of pipe front end, spring fallen naturally and be set on this guiding steel wire (3), and and then fall and be set on the serial connection steel wire, form the spring string; It is the one section guiding steel wire (3) that directly is fixed on the described axle core (2) that described guiding steel wire wears device, after described spring is cut off directly along this guiding steel wire (3) landing to being connected in series on the steel wire.
Referring to Fig. 7, described guiding steel wire (3) front end also is provided with one and is used for the draw point that guide springs is inserted in, and this draw point is with described guiding steel wire one and through a section of cut-off processing; The end of described steel wire (3) also is provided with one and is used for entangling described guiding steel wire (3) and the sebific duct (11) that is connected in series steel wire (10) joint.The diameter of bore of described sebific duct (11) is slightly less than the diameter of described guiding steel wire (3) and serial connection steel wire (10), and the latter two one section all can insert in this sebific duct (11), and is utilized its elastic contractile force that the two is fixed by this sebific duct (11); When changing serial connection steel wire (10), former serial connection steel wire (10) can be extracted out from described sebific duct (11), then anterior this sebific duct (11) that inserts of new serial connection steel wire (10) be got final product.
Described step 2) comprises the steps: that also upper and lower two manipulators move up together with its guiding steel wire of clamping before the spring roll-forming cuts off, make guiding steel wire front end aim at the middle part of pipe front end in the described spring; Cut off spring, spring is fallen into above the guiding steel wire of two manipulator clampings naturally; When spring dropped on the guiding steel wire, top manipulator intermediate plate opened, and bottom manipulator clip does not open, and spring is dropped on the manipulator of bottom; After spring dropped on the manipulator of bottom, the intermediate plate closure of top manipulator was clamped the guiding steel wire, and bottom manipulator clip opens, and spring falls along the guiding steel wire, was slipped to naturally on the serial connection steel wire.
Referring to Fig. 6, described manipulator is a Pneumatic manipulator, and it comprises pneumatic means, front end clip (8) in the rear portion stiff end, arm (7), arm and is connected some gas lines on the arm.
Referring to Fig. 2 and Fig. 3, a kind of helical spring of employing said method serially adds frock and puts, its basic structure is identical with embodiment 1, its difference is, described guiding steel wire wears device, be top manipulator (4), the bottom manipulator (6) that is fixed on the described frame (1), the front end of this two manipulator (4), (6) is respectively equipped with a clip (8) that can open and close up; Described clip (8) be used for clamping or unclamp the guiding steel wire (3).
Described step 2) also comprise the steps: spring roll machine cut-out before, the top manipulator is opened forward stretches out, its clip resets after clamping spring; This moment, three manipulator clip centers were on the vertical curve middle part and the described guiding steel wire of bottom manipulator clip clamping; Top manipulator intermediate plate opens, and spring is fallen into above the guiding steel wire that middle part manipulator and bottom manipulator clamp naturally; When spring dropped on the guiding steel wire, middle part manipulator intermediate plate opened, and bottom manipulator clip does not open, and spring is dropped on the manipulator of bottom; After spring dropped on the manipulator of bottom, the intermediate plate closure of middle part manipulator was clamped the guiding steel wire, and bottom manipulator clip opens, and spring falls along the guiding steel wire, was slipped to naturally on the serial connection steel wire.
Referring to Fig. 4 and Fig. 5, a kind of helical spring that adopts said method serially adds frock and puts, its basic structure is identical with embodiment 2, its difference is, described guiding steel wire wears device, be three top manipulators (4), middle part manipulator (5), the bottom manipulator (6) that is fixed on the described frame (1), the front end of these three manipulators (4), (5), (6) is respectively equipped with a clip (8) that can open and close up; Described clip (8) be used for clamping or unclamp the guiding steel wire (3).
Method and the structure identical or approximate as the above embodiment of the present invention, resulting spring string processing method and device thereof, all a kind of processing method of helical spring string and processing unit (plant) thereof within protection domain of the present invention.
Claims (10)
1, a kind of processing method of helical spring string is characterized in that, it comprises the steps:
(1) preset a guiding steel wire, the end of this steel wire connects a removable serial connection steel wire;
(2) the raw material steel wire rolls and is processed as helical spring;
(3) will be in the helical spring the anterior alignment guidance steel wire head in pipe middle part, and cut off spring afterbody steel wire, be set in naturally on the described guiding steel wire after making its landing, and via guiding the steel wire landing to being connected in series steel wire;
(4) repeating step (2)~step (3), make spring successively bunchiness be set on the described serial connection steel wire, form the spring string;
(5) spring that is set on the described serial connection steel wire reaches when setting quantity or serial connection length, takes off this serial connection steel wire, and changes a new serial connection steel wire;
(6) multiple step (2)~step (5).
2, the processing method of helical spring string as claimed in claim 1 is characterized in that, described guiding steel wire front end also is provided with one and is used for the draw point that guide springs is inserted in; The end of described steel wire also is provided with one and is used for entangling described guiding steel wire and the sebific duct that is connected in series the steel wire joint.
3, the processing method of helical spring string as claimed in claim 1 or 2 is characterized in that, described step 1) is that the guiding steel wire directly is fixed on the core in advance.
4, the processing method of helical spring string as claimed in claim 1 or 2 is characterized in that, described step (1) also comprises the steps: to set gradually the manipulator that three front ends in upper, middle and lower have clip; The guiding steel wire is clamped on the clip of the middle part of establishing in advance and bottom manipulator front end;
Described step (2) also comprise the steps: spring roll machine cut-out before, the top manipulator is opened forward stretches out, its clip resets after clamping spring; This moment, three manipulator clip centers were on the vertical curve middle part and the described guiding steel wire of bottom manipulator clip clamping; Top manipulator intermediate plate opens, and spring is fallen into above the guiding steel wire that middle part manipulator and bottom manipulator clamp naturally; When spring dropped on the guiding steel wire, middle part manipulator intermediate plate opened, and bottom manipulator clip does not open, and spring is dropped on the manipulator of bottom; After spring dropped on the manipulator of bottom, the intermediate plate closure of middle part manipulator was clamped the guiding steel wire, and bottom manipulator clip opens, and spring falls along the guiding steel wire, was slipped to naturally on the serial connection steel wire.
5, the processing method of helical spring string as claimed in claim 1 or 2 is characterized in that, described step (1) also comprises the steps: to set gradually the manipulator that upper and lower two front ends have clip; The guiding steel wire is clamped on the clip of having established described upper and lower two manipulator front ends in advance;
Described step (2) comprises the steps: that also upper and lower two manipulators move up together with its guiding steel wire of clamping before the spring roll-forming cuts off, and makes guiding steel wire front end aim at the middle part of pipe front end in the described spring; Cut off spring, spring is fallen into above the guiding steel wire of two manipulator clampings naturally; When spring dropped on the guiding steel wire, top manipulator intermediate plate opened, and bottom manipulator clip does not open, and spring is dropped on the manipulator of bottom; After spring dropped on the manipulator of bottom, the intermediate plate closure of top manipulator was clamped the guiding steel wire, and bottom manipulator clip opens, and spring falls along the guiding steel wire, was slipped to naturally on the serial connection steel wire.
6, a kind of spring that adopts the described helical spring string processing method of claim 1 serially adds frock and puts, it comprises drive unit, transmission device, rolling device and shearing device, aforementioned means all is installed on the frame, rolling device comprise star be distributed in the some coiling bars on the winder and be arranged on the winder axle, and outwardly directed axle core, it is characterized in that it comprises that also a guiding steel wire that is arranged on the described frame wears device; Described guiding steel wire wears device and comprises a guiding steel wire, and this steel wire end is connected with a removable serial connection steel wire; Described guiding steel wire wears device, when shearing device cuts off spring, will be in the described guiding steel wire front end alignment springs middle part of pipe front end, spring fallen naturally and be set on this guiding steel wire, and and then fall and be set in to being connected in series on the steel wire formation spring string.
7, spring as claimed in claim 6 serially adds frock and puts, and it is characterized in that, it is the one section guiding steel wire that directly is fixed on the described axle core that described guiding steel wire wears device, after described spring is cut off directly along this guiding steel wire landing to being connected in series on the steel wire.
8, spring as claimed in claim 6 serially adds frock and puts, it is characterized in that, described guiding steel wire wears device, is three manipulators in top, middle part, bottom that are fixed on the described frame, and the front end of this manipulator is respectively equipped with a clip that can open and close up; Described clip is used for clamping or unclamp the guiding steel wire.
9, spring as claimed in claim 6 serially adds frock and puts, and it is characterized in that described guiding steel wire wears device, is two manipulators in top, bottom that are fixed on the described frame, and the front end of this manipulator is respectively equipped with a clip that can open and close up; Described clip is used for clamping or unclamp the guiding steel wire.
10, spring serially adds frock and puts as claimed in claim 8 or 9, it is characterized in that described manipulator is a Pneumatic manipulator, and it comprises pneumatic means, front end clip in rear portion stiff end, arm, the arm and is connected some gas lines on the arm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100608084A CN100457317C (en) | 2006-05-25 | 2006-05-25 | Method for fabricating helical spring bunch, and fabricating equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100608084A CN100457317C (en) | 2006-05-25 | 2006-05-25 | Method for fabricating helical spring bunch, and fabricating equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1958188A true CN1958188A (en) | 2007-05-09 |
CN100457317C CN100457317C (en) | 2009-02-04 |
Family
ID=38070128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100608084A Expired - Fee Related CN100457317C (en) | 2006-05-25 | 2006-05-25 | Method for fabricating helical spring bunch, and fabricating equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100457317C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107685974A (en) * | 2016-08-03 | 2018-02-13 | 刘刚 | A kind of electricapparatus equipment that medicinal material is conspired to create to string |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3809494A1 (en) * | 1988-03-22 | 1988-12-29 | Wagner Federn Gmbh | Apparatus and method for handling compression springs |
CN2039238U (en) * | 1988-06-02 | 1989-06-14 | 陕西省宝鸡市标准件弹簧厂 | Forming machine for spring washer |
JP4098613B2 (en) * | 2002-12-11 | 2008-06-11 | 朝日インテック株式会社 | Hollow stranded wire coil body, medical instrument using the same, and manufacturing method thereof |
CN2767007Y (en) * | 2005-02-24 | 2006-03-29 | 无锡市荡口通用机械有限公司 | Rotating filament winder of spiral hoop |
CN200963661Y (en) * | 2006-05-25 | 2007-10-24 | 东莞市精工五金弹簧制造有限公司 | Apparatus for processing spiral spring string |
-
2006
- 2006-05-25 CN CNB2006100608084A patent/CN100457317C/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107685974A (en) * | 2016-08-03 | 2018-02-13 | 刘刚 | A kind of electricapparatus equipment that medicinal material is conspired to create to string |
Also Published As
Publication number | Publication date |
---|---|
CN100457317C (en) | 2009-02-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10128042B2 (en) | Full-automatic network transformer winding machine | |
CN109678000B (en) | Full-automatic circle of cutting of pencil bi-polar fixed length reducing is pricked all-in-one | |
CN1901110A (en) | Edgewise coil winding machine | |
CN102825456A (en) | LED (light-emitting diode) lamp band horizontal assembly machine having hollow tube structure | |
CN1135203C (en) | Winder for synthetic filaments | |
CN106576538A (en) | Transplanting manipulator | |
CN1958188A (en) | Method for fabricating helical spring bunch, and fabricating equipment | |
CN200963661Y (en) | Apparatus for processing spiral spring string | |
CN204558243U (en) | A kind of fully automatic network Transformer Winding Machines | |
CN207872977U (en) | A kind of coiling machine feeding system | |
CN117259608A (en) | Twisted needle and twisted wire straightening equipment | |
CN202307349U (en) | Wire twisting machine | |
CN1747884A (en) | Method and device for temporarily storing linear body | |
CN208743480U (en) | A kind of machine-shaping device of eyes pipe | |
CN213327963U (en) | Feeding wheel stabilising arrangement is used in polyester filament production | |
CN203397782U (en) | Wire feeding anti-jumper device of bunching machine | |
CN213366264U (en) | Cable conductor stranding equipment | |
CN213887146U (en) | Melon seed sieve separator | |
CN108817896A (en) | High speed pin machine | |
CN107352079A (en) | A kind of branched intestines put intestines machine with robot | |
CN104492889B (en) | Vertical iron core numerical control winding lathe | |
CN100342465C (en) | Machine for winding wire on toroidal core | |
CN109894537B (en) | Feeding mechanism of bending machine | |
CN207497018U (en) | A kind of multi-track sparking automatic pinboard machine of machine drum body | |
CN1843753A (en) | Multi-spindle automatic paper tube-flattening machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090204 Termination date: 20200525 |