CN201108940Y - Pole stock cutting apparatus - Google Patents
Pole stock cutting apparatus Download PDFInfo
- Publication number
- CN201108940Y CN201108940Y CNU2007201288628U CN200720128862U CN201108940Y CN 201108940 Y CN201108940 Y CN 201108940Y CN U2007201288628 U CNU2007201288628 U CN U2007201288628U CN 200720128862 U CN200720128862 U CN 200720128862U CN 201108940 Y CN201108940 Y CN 201108940Y
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- pole stock
- sides
- arms
- guide frame
- tool
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Abstract
The utility model discloses a small pole snipping device, which mainly comprises a feed mechanism, a locating mechanism and a snipping mechanism. The feeding mechanism comprises a feeder and at least one material guiding rest, after a plurality of small poles are respectively arranged on the material guiding rest through the feeder, the small poles can be located on a snipping point accurately through a stowing tool, a stock stop and a plurality of clamping tools in the locating mechanism, and the small poles are cut to be the needed length by the snipping mechanism, thereby not only snipping the small poles accurately to improve the merit ratio of products, but also favoring the automatic process for the small pole snipping to facilitate mass manufacture.
Description
Technical field
The utility model is about a kind of pole stock cutting means, not only can accurately cut pole stock and effectively promotes the product fine rate, helps pole stock to cut automation processing and a large amount of the manufacturing again.
Background technology
Because scientific and technological progress is quick, the electronic product object is gradually towards microminiaturization and integration development, also relatively must microminiaturization and constitute the circuit board of electronic product object or printed circuit board (PCB), so also will cause also microminiaturization day by day of the drilling technique that can be used for printed circuit board (PCB) and employed drill bit (or claiming micro drill).
Conventional micro drill generally is to make whole drill bit with the pole stock that wolfram steel constitutes, and comprise that its shank and drill point are all formed by the wolfram steel material, yet because the wolfram steel cost is too high, whole drill bit is all formed the increase that will cause manufacturing cost by wolfram steel.
For this reason, for saving manufacturing cost, there is the dealer to propose the wolfram steel pole stock is cut, with drill point as drill bit, and with other comparatively cheap metal pole stock, for example stainless steel, formed shank with integrally welded, forms a connection drill bit with superpower hardness and lower cost thus.And in the manufacturing process of above-mentioned connection drill bit, the pole stock that how accurately to cut precision then is a key technology wherein.
Known pole stock cutting means; As shown in Figure 1, be to be provided with a feeding mechanism 13, a pusher 15 and a cutting machine structure 17 in a platform 11, feeding mechanism 13 can be inserted a pole stock 19 to be cut on the V-arrangement guide groove 131 in the pusher 15, by this pusher 15 this pole stock 19 is pushed into cutting mechanism 17 places, one 151 of the pressing plates in location carry out suppression to pole stock 19, cutting mechanism 17 then carries out cutting action to pole stock 19, to finish the program of material loading and cutting.
Yet, when pusher 15 is pushed into cutting mechanism 17 positions with pole stock 19, may cause the dislocation (for example: pole stock 19 improper slips or pole stock cutting means 10 rock) of pole stock 19 because of some external factor, relatively also will cause pole stock 19 positions that positioning pressuring plate 151 suppressed mistake to some extent, the length of rod material that causes cutting mechanism 17 to cut out is also inconsistent, has therefore influenced the accuracy of pole stock cutting means 10.
Moreover the pole stock cutting means of commonly using 10 only can carry out cutting process to single pole stock 19, with regard to output, and the space that it still has solved and improves.
Again, conventional positioning pressuring plate 151 will cause the wearing and tearing of positioning pressuring plate 151 after long-term use, cause effectively fixedly pole stock 19 of positioning pressuring plate 151, cause the error amount of pole stock 19 when cutting to increase, influenced the body of rod integrity degree of this pole stock 19 and cut the flatness of face.
The utility model content
Main purpose of the present utility model, be to provide a kind of pole stock cutting means,, reduce the degree that pressing plate weares and teares because of fixing pole stock by a plurality of floating platens being set with fixing pole stock, and keep the body of rod integrity degree of pole stock and cut the flatness of face, effectively promote the product fine rate.
Secondary objective of the present utility model is to provide a kind of pole stock cutting means, by a stock stop is set, provides pressing plate in fixing pole stock and before cutting pole stock, is able to accurate contraposition, cuts precision and product fine rate to improve pole stock.
Another purpose of the present utility model is to provide a kind of pole stock cutting means, is able to a guide frame of ccontaining a plurality of pole stocks by setting, can cut a plurality of pole stocks in the same period, to reach a large amount of manufacturings and to promote industry applications.
Another purpose of the present utility model is to provide a kind of pole stock cutting means, can cut the pole stock of various different sizes, to improve the spendable scope of cutting means.
For reaching above-mentioned purpose, the utility model provides a kind of pole stock cutting means, it mainly includes: a feed mechanism, it includes a feed appliance and at least one guide frame, the guide frame can carry out translation motion in a range of translation, cradle then be arranged at the guide frame in this range of translation above locate, feed appliance then can be equipped with a plurality of pole stocks to be cut, and when the translation of guide frame, feed appliance can place pole stock on this guide frame one by one; One location mechanism, it includes a pusher, a stock stop and at least one tool of seizing on both sides by the arms, pusher is arranged at a side of this guide frame, stock stop then is arranged at another side of this guide frame, and be provided with one in this guide frame and cut a little, and contiguous cutting located to be provided with this and seized tool on both sides by the arms, can be in order to seize this pole stock on both sides by the arms; And a cutting mechanism, it is located at this and cuts a top, when this pole stock is promoted by pusher and after being positioned this and cutting a little, cutting mechanism can be able to this pole stock is cut out Len req.
Again, for reaching above-mentioned purpose, the utility model also can provide a kind of pole stock cutting means, it mainly includes: a feed mechanism, and it includes a feed appliance and at least one guide frame, and the guide frame can carry out translation motion in a range of translation, cradle then be arranged at the guide frame in this range of translation above locate, feed appliance then can be equipped with a plurality of pole stocks to be cut, and when the translation of guide frame, feed appliance can place pole stock on this guide frame one by one; One location mechanism, it includes a pusher and at least one tool of seizing on both sides by the arms, and pusher is arranged at a side of this guide frame, and be provided with one in this guide frame and cut a little, and contiguous cutting located to be provided with this and seized tool on both sides by the arms, seizes tool on both sides by the arms and includes a floating platen, can be in order to seize this pole stock on both sides by the arms; And a cutting mechanism, it is located at this and cuts a top, when this pole stock is promoted by pusher and after being positioned this and cutting a little, cutting mechanism can be able to this pole stock is cut out Len req.
The beneficial effects of the utility model are, at first, can promote pole stock and cut accuracy and integrality in the process.The tool of seizing on both sides by the arms of the present utility model can be provided with a plurality of pressing plates, this pressing plate may be selected to be a floating platen, when cutting mechanism cuts pole stock, floating platen can press solidly pole stock, and permissible range with a buffering, be not to kill pole stock fully, therefore can reduce the wearing and tearing of floating platen, with the state that presses solidly that continues to provide pole stock stable.And the utility model front end is seized the design that tool and rear end are seized tool on both sides by the arms on both sides by the arms, can suppress the two ends that pole stock is desired cutting position again respectively, and the stability when helping pole stock to be cut.
Secondly, the utility model provides a kind of pole stock cutting means, is able to a guide frame of ccontaining a plurality of pole stocks by setting, can cut a plurality of pole stocks in the same period, to reach a large amount of manufacturings and to promote industry applications.
In addition, the pole stock that the utility model pole stock cutting means can cut multiple various outer diameter size (for example: diameter 0.5mm～60mm), to improve the scope of application of pole stock cutting means, too small for external diameter, and can't seize the pole stock that tool can press solidly on both sides by the arms by this time, the utility model also can be reached the purpose that presses solidly pole stock by changing corresponding guide frame.
Description of drawings
Fig. 1 is the stereogram of pole stock cutting means commonly used.
Fig. 2 A to Fig. 2 C is respectively two sectional side views and the vertical view of the utility model pole stock cutting means one preferred embodiment.
Fig. 3 A and Fig. 3 B are respectively the vertical view of the utility model detent mechanism when start.
Fig. 4 is the profile of the utility model pole stock cutting means when start.
Fig. 5 A to Fig. 5 C is respectively the generalized section of the utility model guide frame when start.
Fig. 6 A to Fig. 6 C is respectively the structural section of the another embodiment of the utility model guide frame when start.
Fig. 7 is the structural section of the another embodiment of the utility model feed appliance.
The main element symbol description
10 pole stock cutting means, 11 platforms
13 feeding mechanisms, 131 V-arrangement guide grooves
15 pushers, 151 positioning pressuring plates
17 cutting mechanisms, 19 pole stocks
20 pole stock cutting means, 21 platforms
22 magazines, 24 swash plates
26 controllers, 29 pole stocks
291 rear side end, 293 front side end
30 feed mechanisms, 31 feed appliances
33 guide framves 335 cut a little
337 guide frame actuators, 339 V grooves
40 detent mechanisms, 41 pushers
411 pusher actuators, 413 charging rams
43 stock stops, 431 backgauge actuators
433 material blocking rods, 435 dampers
451 front ends are seized tool 455 rear ends on both sides by the arms and are seized tool on both sides by the arms
455 hold tool actuator 457 floating platens under the arm
50 cutting mechanisms, 51 emery wheels
53 cutting mechanism actuators, 65 trippers
651 sub-material actuators 653 hold material space
71 feed appliances, 711 concussion dishes
7111 discharging openings, 7113 concussion dish actuators
713 hoppers, 715 inductors
717 feeding rails
The specific embodiment
At first, see also Fig. 2 A to Fig. 2 C, it is respectively two sectional side views and the vertical view of one preferred embodiment of the utility model pole stock cutting means; As shown in the figure, pole stock cutting means 20 includes a feed mechanism 30, an one location mechanism 40 and a cutting mechanism 50, wherein this feed mechanism 30 includes at least one feed appliance 31 and at least one guide frame 33, guide frame 33 is arranged on the platform 21, and can carry out translation motion in (first fixed point A shown in Fig. 5 A and one second fixed point B between) in certain range of translation, and the place, top is provided with feed appliance 31 in these guide frame 33 range of translation, feed appliance 31 can be equipped with at least one pole stock to be cut 29, and for example cutter is provided with at least one V groove 339 that can ccontaining pole stock 29 on feed appliance 31.
Again, detent mechanism 40 includes a pusher 41, a stock stop 43 and a plurality of tool 451/453 of seizing on both sides by the arms, 43 of pusher 41 and stock stops are not arranged at the two side ends position of contiguous this guide frame 33, and be provided with one in this guide frame 33 and cut a little 335, and cut a little 335 positions in contiguous this and be provided with and seize tool on both sides by the arms, for example front end is seized tool 451 on both sides by the arms and/or the rear end is seized tool 453 on both sides by the arms.
Moreover, seeing also Fig. 3 A and Fig. 3 B, it is the vertical view of the utility model detent mechanism when start; Please consult Fig. 2 A simultaneously, after feed mechanism 30 placed this guide frame 33 with part pole stock 29, detent mechanism 40 can begin start.And pusher 41 can include a pusher actuator 411 and at least one charging ram 413 in this embodiment, wherein this charging ram 413 will be controlled by pusher actuator 411 and the sphere of action that enters guide frame 33, and can contact the rear side end 291 of pole stock 29 and promote pole stock 29 and advance, as shown in Figure 3A.
Again, when pole stock 29 is pushed preceding and then enters when cutting a little 335 positions, this stock stop 43 can prop up the front side end 293 of pole stock 29, make the two ends of this pole stock 29 be subjected to the effect of this stock stop 43 and this pusher 41 and accurate location respectively, shown in Fig. 3 B.
In this embodiment, this stock stop 43 can include a backgauge actuator 431 and at least one material blocking rod 433, material blocking rod 433 is controlled by backgauge actuator 431, with movable and touch the front side end 293 of this pole stock 29, to allow stressed and accurate location, pole stock 29 both sides really.Certainly, in the another embodiment of the utility model, its stock stop 43 also can only include a striker plate or material blocking rod 433, and material blocking rod 433 then is one fixed, so can allow the front side end 293 of pole stock 29 touch striker plate or material blocking rod 433 equally by the effect of pusher 41.
In addition, power connects one and holds seizing tool 451/453 on both sides by the arms and can down suppressing from the top of pole stock 29 of tool actuator 455 under the arm, causes this pole stock 29 to be unlikely to mobile.Then, cut a little by being arranged at this that 50 pairs of these pole stocks 29 of cutting mechanism of 335 tops cut action, with the action of finishing the single location and cutting, as shown in Figure 4.
Again, in the another embodiment of the utility model, this stock stop 43 also can be provided with a plurality of material blocking rods 433 and a plurality of damper 435, and the external diameter of this charging ram 413 and material blocking rod 433 is also less than the external diameter of this pole stock 29, allow pusher 41 and stock stop 43 be able to and cut in the process in the location of pole stock 29, continue to prop up the end positions of pole stock 29 by charging ram 413 and material blocking rod 433, to improve stability.Again, 435 of dampers are set can allow pole stock 29 in the process of cutting, the vibrations that produce because of cutting mechanism 50 do not damage pole stock 29 bodies.
Cut accuracy and integrality in the process in order to promote pole stock 29, seize tool 451/453 on both sides by the arms and can be provided with a plurality of pressing plates 457, this pressing plate 457 may be selected to be a floating platen, when cutting mechanism 50 cuts pole stock 29, floating platen 457 can press solidly pole stock 29, and have the permissible range of a buffering, be not to kill pole stock 29 fully, therefore can reduce the wearing and tearing of floating platen 457, to continue to provide pole stock 29 the stable state that presses solidly.And the utility model front end is seized the design that tool 451 and rear end are seized tool 453 on both sides by the arms on both sides by the arms, can suppress pole stock 29 again respectively and desire the two ends of cutting positions, and the stability when helping pole stock 29 to be cut.
In addition, the utility model pole stock cutting means 20 still can be provided with a magazine 22, it is arranged at this and cuts a little 335 belows, interconnect with this guide frame 33 by a swash plate 24, after cutting mechanism 50 cuts pole stock 29, pole stock 29 cropped parts can fall into magazine 22 via swash plate 24.
Again, the pole stock 29 that the utility model pole stock cutting means 20 can cut multiple various outer diameter size (for example: diameter 0.5mm～60mm), to improve the scope of application of pole stock cutting means 20, too small for external diameter, and can't seize the pole stock 29 that tool 451/453 can press solidly on both sides by the arms by this time, the utility model also can be reached the purpose that presses solidly pole stock 29 by changing corresponding guide frame 33.
Continue, see also Fig. 5 A to Fig. 5 C, it is the illustrative view of the utility model guide frame; As shown in the figure, the guide frame 33 of feed mechanism 30 is provided with a plurality of V grooves 339, and guide frame 33 also can connect and be controlled by guide frame actuator 337 and be able to come and go between one first fixed point A and one second fixed point B when mobile, can become a range of translation of this guide frame 33 between the first fixed point A and the one second fixed point B, and this feed appliance 31 can be inserted pole stock 29 in the corresponding V groove 339 one by one, with flow performing such as treat follow-up location and cut.
In addition, see also Fig. 6 A to Fig. 6 C, it is respectively the structural section of the another embodiment of the utility model guide frame when start; As shown in the figure, in this embodiment, between feed appliance 31 and guide frame 33, can be provided with at least one tripper 65, it can connect and be controlled by a sub-material actuator 651, and tripper 65 is provided with a plurality of appearance material spaces 653, by this tripper 65 translation in certain limit, and pole stock 29 can be taken out to this feed appliance 31, and place one by one on the guide frame 33.
At last, see also Fig. 7, it is the structural section of the another embodiment of the utility model feed appliance; As shown in the figure, in this embodiment, in order to reach the automated job flow process, the utility model feed appliance 71 also can include multiple member, for example this feed appliance 71 can include a concussion dish 711 and a hopper 713, and is provided with an inductor 715 in hopper 713 tops.Concussion dish 711 is provided with a material mouth 7111, and material mouth 7111 is to being provided with a feeding rail 717 between this hopper 713.
This concussion dish 711 can be equipped with a plurality of pole stocks 29, and concussion dish 711 will connect and be controlled by a concussion dish actuator 7113, the concussion action will cause this pole stock 29 to be dropped out to feeding rail 717 by material mouth 7111, and by this feeding rail 717 pole stock 29 is delivered to hopper 713 and pile up with sequence in addition, after inductor 715 is sensed pole stock 29, then can control this concussion dish 711 and stop start.29 of pole stocks in the hopper 713 can be placed on tripper 65 or the guide frame 33 in regular turn.
Again, guide frame actuator 337 of the present utility model, pusher actuator 411, hold under the arm tool actuator 455, backgauge actuator 431, sub-material actuator 651 and cutting mechanism actuator 53 all may be selected to be a pneumatic cylinder, a hydraulic cylinder, a motor or said elements knockdown one of them.And, the utility model pole stock cutting means 20 still can be provided with a controller 26, in order to control guide frame actuator 337, pusher actuator 411 in proper order, hold tool actuator 455 under the arm, backgauge actuator 431, sub-material actuator 651, concussion dish actuator 7113, inductor 715 and cutting mechanism actuator 53, to reach the automated job flow process.
The above, it only is a preferred embodiment of the present utility model, be not to be used for limiting the scope that the utility model is implemented, be that all equalizations of doing according to the described shape of the utility model claim, structure, feature and spirit change and modification, all should be included in the claim of the present utility model.
Claims (11)
1. a pole stock cutting means is characterized in that, mainly comprises:
One feed mechanism, it comprises a feed appliance and at least one guide frame, this guide frame can carry out translation motion in a range of translation, this cradle then is arranged at the guide frame and locates in this range of translation, feed appliance then can be equipped with a plurality of pole stocks to be cut, and when the translation of guide frame, feed appliance can place pole stock on this guide frame one by one;
One location mechanism, it includes a pusher, a stock stop and at least one tool of seizing on both sides by the arms, this pusher is arranged at a side of this guide frame, this stock stop then is arranged at another side of this guide frame, and be provided with one in this guide frame and cut a little, and contiguous cutting located to be provided with this and seized tool on both sides by the arms, can be in order to seize this pole stock on both sides by the arms; And
One cutting mechanism, it is located at this and cuts a top, and after this pole stock was promoted by pusher and is positioned this and cuts a little, cutting mechanism can be able to this pole stock is cut out Len req.
2. pole stock cutting means as claimed in claim 1 is characterized in that this seizes tool on both sides by the arms and include at least one pressing plate, and this pressing plate is a floating platen, and can connect and hold the tool actuator under the arm.
3. pole stock cutting means as claimed in claim 1 is characterized in that this guide sets up to be equipped with at least one V groove, in order to ccontaining this pole stock.
4. pole stock cutting means as claimed in claim 1 is characterized in that this feed mechanism also includes at least one tripper, be arranged between this guide frame and this feed appliance, and this tripper can be connected with a sub-material actuator.
5. pole stock cutting means as claimed in claim 1 is characterized in that this seizes tool on both sides by the arms and include that a front end is seized tool on both sides by the arms and a rear end is seized tool on both sides by the arms, and front end is seized tool and rear end on both sides by the arms and seized tool on both sides by the arms and be located at the both sides that cut a little respectively.
6. pole stock cutting means as claimed in claim 1, it is characterized in that this feed appliance also includes a hopper and a concussion dish, this concussion dish is in order to ccontaining this pole stock, and can connect a concussion dish actuator, and shake the effect and this pole stock is deposited in this hopper, in this hopper, be provided with an inductor again.
7. pole stock cutting means as claimed in claim 1 it is characterized in that this pusher includes at least one charging ram, and can connect a pusher actuator, and this stock stop includes at least one material blocking rod, and can connect a backgauge actuator.
8. pole stock cutting means as claimed in claim 1 is characterized in that also being provided with in this stock stop a damper.
9. pole stock cutting means as claimed in claim 1 is characterised in that, also includes a controller.
10. a pole stock cutting means is characterized in that, mainly comprises:
One feed mechanism, it comprises a feed appliance and at least one guide frame, this guide frame can carry out translation motion in a range of translation, this cradle then is arranged at the guide frame and locates in this range of translation, feed appliance then can be equipped with a plurality of pole stocks to be cut, and when the translation of guide frame, feed appliance can place pole stock on this guide frame one by one;
One location mechanism, it includes a pusher and at least one tool of seizing on both sides by the arms, and this pusher is arranged at a side of this guide frame, and be provided with one in this guide frame and cut a little, and contiguous cutting located to be provided with this and seized tool on both sides by the arms, seizes tool on both sides by the arms and includes a floating platen, can be in order to seize this pole stock on both sides by the arms; And
One cutting mechanism, it is located at this and cuts a top, and after this pole stock was promoted by pusher and is positioned this and cuts a little, cutting mechanism can be able to this pole stock is cut out Len req.
11. pole stock cutting means as claimed in claim 10 is characterized in that this seizes tool on both sides by the arms and include that a front end is seized tool on both sides by the arms and a rear end is seized tool on both sides by the arms, and front end is seized tool and rear end on both sides by the arms and seized tool on both sides by the arms and be located at the both sides that cut a little respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201288628U CN201108940Y (en) | 2007-08-22 | 2007-08-22 | Pole stock cutting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201288628U CN201108940Y (en) | 2007-08-22 | 2007-08-22 | Pole stock cutting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201108940Y true CN201108940Y (en) | 2008-09-03 |
Family
ID=39893458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201288628U Expired - Fee Related CN201108940Y (en) | 2007-08-22 | 2007-08-22 | Pole stock cutting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201108940Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749333A (en) * | 2011-04-18 | 2012-10-24 | 久元电子股份有限公司 | Multi-track detection system for detecting appearances of multiple electronic components |
| CN101733469B (en) * | 2008-11-13 | 2012-12-12 | 浙江福特机械制造有限公司 | Full-automatic hydraulic cutter |
| CN105328082A (en) * | 2015-11-27 | 2016-02-17 | 镇江晨光焊接设备制造有限公司 | Stock bin mechanism |
| CN105598317A (en) * | 2016-03-08 | 2016-05-25 | 淮安信息职业技术学院 | Full-automatic bender for medical suture needles |
| CN110281401A (en) * | 2019-06-28 | 2019-09-27 | 永康卡梅新材料有限公司 | It is a kind of using porous ceramics as the photocatalyst air purifying material of carrier |
| CN111112506A (en) * | 2019-12-23 | 2020-05-08 | 耿建军 | Cutting device for wire and cable processing |
| CN112743148A (en) * | 2021-03-23 | 2021-05-04 | 深圳市奥伟灵建筑设计有限公司 | Special-shaped pipe cutting machine |
-
2007
- 2007-08-22 CN CNU2007201288628U patent/CN201108940Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101733469B (en) * | 2008-11-13 | 2012-12-12 | 浙江福特机械制造有限公司 | Full-automatic hydraulic cutter |
| CN102749333A (en) * | 2011-04-18 | 2012-10-24 | 久元电子股份有限公司 | Multi-track detection system for detecting appearances of multiple electronic components |
| CN105328082A (en) * | 2015-11-27 | 2016-02-17 | 镇江晨光焊接设备制造有限公司 | Stock bin mechanism |
| CN105328082B (en) * | 2015-11-27 | 2017-08-18 | 镇江晨光焊接设备制造有限公司 | Feed bin mechanism |
| CN105598317A (en) * | 2016-03-08 | 2016-05-25 | 淮安信息职业技术学院 | Full-automatic bender for medical suture needles |
| CN110281401A (en) * | 2019-06-28 | 2019-09-27 | 永康卡梅新材料有限公司 | It is a kind of using porous ceramics as the photocatalyst air purifying material of carrier |
| CN111112506A (en) * | 2019-12-23 | 2020-05-08 | 耿建军 | Cutting device for wire and cable processing |
| CN112743148A (en) * | 2021-03-23 | 2021-05-04 | 深圳市奥伟灵建筑设计有限公司 | Special-shaped pipe cutting machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080903 Termination date: 20120822 |