CN103495772A - Cutting machine - Google Patents
Cutting machine Download PDFInfo
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- CN103495772A CN103495772A CN201310489723.8A CN201310489723A CN103495772A CN 103495772 A CN103495772 A CN 103495772A CN 201310489723 A CN201310489723 A CN 201310489723A CN 103495772 A CN103495772 A CN 103495772A
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Abstract
The invention discloses a cutting machine. The cutting machine comprises a base, a guide rail, a motor, a speed reducer A, a transmission device and a cutting device. The guide rail is arranged at the upper portion of the base, the transmission device comprises a synchronous belt, a synchronous belt driving wheel, a synchronous belt driven wheel, a workbench and a synchronous belt pressing board, and the workbench and a synchronous belt contact on the synchronous belt are mutually pressed through the synchronous belt pressing board. The cutting device comprises a fixing board, a main cutting servo motor, an eccentric wheel, a feeding servo motor, a speed reducer B, a swing rod, a saw blade and a support. The fixing board is connected with the workbench and reciprocates along the guide rail through a sliding block, a swing fulcrum bearing is arranged at the front face of the fixing board, the main cutting servo motor is connected with the swing fulcrum bearing through the support, the saw blade is connected with the main cutting servo motor, the feeding servo motor is connected with the eccentric wheel through the speed reducer B, and the eccentric wheel is connected with the shell of the main cutting servo motor through the swing rod. The cutting machine is small in occupied area and fast in response speed, and greatly improves cutting efficiency.
Description
Technical field
The present invention relates to the cutting field, relate in particular to a kind of cutting machine.
Background technology
Its guide rail of existing cutting machine is arranged on bottom, cutting mechanism mainly drives the cutting blade rotation by common electric machine by the V-type belt wheel and carries out cutting work, by cylinder as the cutting centripetal force, cutting mechanism integral body is moved on guide rail by gear, U-shaped groove by cutting machine middle part is as cutting fluid and chip discharge habitat, in actual cutting process, use the V band to connect cutting blade and will cause the tensioning of V band, the problems such as band surface wear, affect cutting efficiency, the mode connected by gear drives the cutting mechanism motion, to impact and wear and tear cutting mechanism at electric motor starting with while stopping, affect the service life of cutting mechanism, because guide rail is arranged on bottom, U-shaped groove is arranged at the middle part of cutting machine, the scrap that makes cutting mechanism produce and cooling fluid etc. can't be discharged smoothly, in actual production, cleaning comparatively bothers, if the smear metal savings too much, can shine into impact to main cutting mechanism, use the main body of cylinder as cutting action, excessive to the injury of base stress, during use, often can break down.
Summary of the invention
The present invention is directed to the defects such as the cutting efficiency that exists in prior art, chip removal inconvenience, a kind of new cutting machine is provided.
In order to solve the problems of the technologies described above, the present invention is achieved through the following technical solutions:
A kind of cutting machine, comprise pedestal, guide rail, motor, reductor A, transmission device, cutter sweep, described guide rail is arranged at pedestal top, and described transmission device comprises Timing Belt, the Timing Belt driving wheel, the Timing Belt driven pulley, workbench, the Timing Belt pressing plate, described Timing Belt driving wheel and Timing Belt driven pulley are arranged at respectively the both sides of pedestal, described motor is arranged at pedestal one side and drives the rotation of Timing Belt driving wheel by reductor A, described Timing Belt one end is placed on the Timing Belt driving wheel, the other end is placed on the Timing Belt driven pulley, be provided with the Timing Belt joint on described Timing Belt, described Timing Belt pressing plate is arranged on workbench, described workbench compresses mutually by Timing Belt pressing plate and Timing Belt joint, and described cutter sweep comprises fixed head, main cutting servomotor, eccentric wheel, the feed servo motor, reductor B, swing arm, saw blade, support, described fixed head is connected with described workbench, the described fixed head back side is provided with slide block, front is provided with the swing fulcrum roller, described fixed head is reciprocating along guide rail by slide block, described support one end is connected with the swing fulcrum roller, the other end is connected with main cutting servomotor, described saw blade is connected with described main cutting servomotor, described reductor B is connected with described feed servo motor, described eccentric wheel is connected with described reductor B, described reductor B is arranged on workbench, described swing arm one end is connected with eccentric wheel, the other end is connected with the shell of main cutting servomotor.
Drive workbench and then drive whole cutter sweep by Timing Belt and move back and forth along guide rail, impact and the wearing and tearing that can reduce at electric motor starting and cutter sweep be caused while stopping because of the flexible characteristic of Timing Belt, make overall work more tend to be steady, the Timing Belt pressing plate is for mutually compressing the Timing Belt joint on workbench and Timing Belt, guide rail is arranged to pedestal top, not only more save space, and guide rail overall increases to pedestal top by cutter sweep, make the scrap and the cooling fluid that produce in cutting process directly to flow down along pedestal, more be conducive to chip removal and row's cutting fluid, avoid affecting the equipment normal operation because of obstructions such as cutting fluids, fixed head is for all parts of fixing cutter sweep and be connected with workbench, can drive fixed head while making workbench move under Timing Belt drives moves reciprocatingly along guide rail simultaneously, main cutting servomotor is as main rotating power source, directly with saw blade, be connected, for saw blade provides rotary power, avoided carrying out secondary-conduction by miscellaneous part and rotary power could have been flowed to saw blade, reliability and transmission efficiency have been improved, the feed servo motor via reducer drives eccentric wheel to rotate, eccentric wheel drives swing arm again to the pulling force of main cutting servomotor be connected with swing arm, thereby make cutting during welded tube the master cut servomotor and take under swing arm drives and swing fulcrum roller and turn an angle as the center of circle and make the saw blade Welded Pipe be cut, after having cut, the feed servo motor via reducer drives the eccentric reposition that rotates back to, main cutting servomotor homing under the drive of swing arm, for carrying out cutting action next time, prepare, main cutting servomotor take that to swing fulcrum roller be that the angle speed (distance) that rotates of the center of circle is by the feed servo parameter of electric machine (speed) and the decision of eccentric eccentric throw, therefore, when needs cut the welded tube of different size, only need to adjust the angle that the axle of feed servo motor rotates and change eccentric eccentric throw, can the welded tube of different size be cut, greatly improved operating efficiency.
As preferably, a kind of cutting machine described above, also comprise clamping device, described clamping device comprises clamping cylinder, air cylinder support, quiet clamp, moving clamp, clamping guide-rail, joint ball bearing screw rod, upper backup pad, lower supporting plate, the gripper shoe fulcrum, described air cylinder support, quiet clamp, the gripper shoe fulcrum is arranged at respectively on the fixed head front, described clamping cylinder is connected with fixed head by air cylinder support, described upper backup pad one end is connected with the gripper shoe fulcrum, the other end is connected with an end of joint ball bearing screw rod and lower supporting plate respectively, the other end of described lower supporting plate is connected with moving clamp, described moving clamp is connected with quiet clamp by clamping guide-rail, described clamping cylinder is by joint ball bearing screw rod, upper backup pad, lower supporting plate drives moving clamp and quiet clamp clamps and unclamps.
Quiet clamp and moving clamp are clamped for the welded tube to the need cutting, in the time will cutting, the joint ball bearing screw rod that clamping cylinder is started working and promotion is connected with clamping cylinder moves, and then the promotion upper backup pad rotates around the gripper shoe fulcrum, promote moving clamp thereby the drive lower supporting plate moves and move and then clamp welded tube to quiet clamp, after having cut, clamping cylinder unclamps, thereby drive upper backup pad around gripper shoe fulcrum homing by joint ball bearing screw rod, thereby drive moving clamp by lower supporting plate, with quiet clamp, separate and unclamp welded tube.
As preferably, a kind of cutting machine described above, described pedestal two ends also are provided with approach switch.Prevent that in automatic or manual crawl motion, cutter sweep bumps against base side boards and has an accident, safer.
As preferably, a kind of cutting machine described above, described Timing Belt driven pulley place also is provided with the degree of tightness adjusting bolt.For the tightness of Timing Belt is regulated, the normal deformation equivalent caused after installation or motion to adjust Timing Belt, more accurate while making Timing Belt work.
As preferably, a kind of cutting machine described above, also be provided with ribs between described workbench and fixed head.Rigidity during for increasing cutting, promote cutting stability.
As preferably, a kind of cutting machine described above, also be provided with the saw blade outer cover on described fixed head, and described saw blade outer cover bottom is V-shape.The saw blade outer cover is for the protection of saw blade; avoid the staff to touch saw blade injured because of accident simultaneously; V-shape is made in saw blade outer cover bottom; can make cutting fluid and smear metal flow down, assemble, discharge along the V-shape bottom natural of saw blade outer cover, more be conducive to other dust hazes such as chip removal and row's cutting fluid.
As preferably, a kind of cutting machine described above, described motor, main cutting servomotor, feed servo motor, reductor B control by same control system is unified.Can carry out unified allocation of resources by control system between each motor while making work, accuracy is higher, and has greatly promoted operating efficiency.
As preferably, a kind of cutting machine described above, described motor is vertically placed or horizontal direction is placed.The room for promotion utilization rate.
As preferably, a kind of cutting machine described above, described motor is threephase asynchronous or servomotor.The threephase asynchronous low price, cost is lower, and the servomotor response speed is very fast, better performances, the user can select and need the motor type used according to s own situation.
As preferably, a kind of cutting machine described above, also be provided with the Timing Belt outer cover on described pedestal.The Timing Belt outer cover, outside investing Timing Belt, avoids Timing Belt in motion fracture to occur, and foreign matter such as is involved at the other problems, safer during work.
As preferably, a kind of cutting machine described above, described guide rail two ends are individually fixed on the side plate of pedestal both sides.Make guide rails assembling more firm.
As preferably, a kind of cutting machine described above, the angle A between described guide rail and horizontal direction is 60 °～85 °, and the deflector of pedestal and the angle B between horizontal direction are 55 °～80 °, and the table top of pedestal and the angle C between horizontal direction are 20 °～40 °.Angle between guide rail and horizontal direction is arranged to 60 °～85 °, the plane that can reduce cutter sweep integral body occupies rate, make between the cutting machine parts tightr, more convenient while making cutting, angle between the deflector of pedestal and horizontal direction is arranged to 55 °～80 °, angle between the table top of pedestal and horizontal direction is arranged to respectively to 20 °～40 °, make pedestal integral body be tilting, when when cutting, smear metal and cutting fluid drop on pedestal table top and deflector, can be along the landing of table top and deflector nature, and convenient during cleaning.
The accompanying drawing explanation
The structural representation that Fig. 1 is a kind of cutting machine of the present invention;
The rear structure schematic diagram that Fig. 2 is a kind of cutting machine of the present invention;
The left side structural representation that Fig. 3 is a kind of cutting machine of the present invention;
The structural representation that Fig. 4 is cutter sweep in the present invention;
Fig. 5 is structural representation when in the present invention, the cutter sweep band clamps device;
The structural representation that Fig. 6 is pedestal in the present invention.
The specific embodiment
Below in conjunction with accompanying drawing 1-6 and the specific embodiment, the present invention is described in further detail, but they are not limitations of the present invention:
As shown in Figures 1 to 6, a kind of cutting machine, comprise pedestal 11, guide rail 10, motor 13, reductor A34, transmission device, cutter sweep, described guide rail 10 is arranged at pedestal 11 tops, described transmission device comprises Timing Belt 3, Timing Belt driving wheel 12, Timing Belt driven pulley 1, workbench 23, Timing Belt pressing plate 18, described Timing Belt driving wheel 12 and Timing Belt driven pulley 1 are arranged at respectively the both sides of pedestal 11, described motor 13 is arranged at pedestal 11 1 sides and drives 12 rotations of Timing Belt driving wheel by reductor A34, described Timing Belt 3 one ends are placed on Timing Belt driving wheel 12, the other end is placed on Timing Belt driven pulley 1, be provided with Timing Belt joint 17 on described Timing Belt 3, described Timing Belt pressing plate 18 is arranged on workbench 23, described workbench 23 compresses mutually by Timing Belt pressing plate 18 and Timing Belt joint 17, described cutter sweep comprises fixed head 8, main cutting servomotor 6, eccentric wheel 16, feed servo motor 14, reductor B15, swing arm 22, saw blade 20, support 7, described fixed head 8 is connected with described workbench 23, described fixed head 8 back sides are provided with slide block 9, front is provided with and swings fulcrum roller 5, described fixed head 8 is reciprocating along guide rail 10 by slide block 9, described support 7 one ends are connected with swing fulcrum roller 5, the other end is connected with main cutting servomotor 6, described saw blade 20 is connected with described main cutting servomotor 6, described reductor B15 is connected with described feed servo motor 14, described eccentric wheel 16 is connected with described reductor B15, described reductor B15 is arranged on workbench 23, described swing arm 22 1 ends are connected with eccentric wheel 16, the other end is connected with the shell of main cutting servomotor 6.
During work, control system is controlled the speed of the welded tube linear uniform motion of the welding fabrication of coming from the production line preceding working procedure, and detect the speed displacement of welded tube with grating scale, now control system control motor 13 turns round and passes through reductor A34 and drives 12 runnings of Timing Belt driving wheel, and then drive Timing Belt 3 moves, now workbench 23 moves under the drive of Timing Belt 3, and then drive fixed head 8 and the device that is fixed on fixed head 8 reciprocating along guide rail 10, and synchronize with the welded tube speed of the welding fabrication of coming from the production line preceding working procedure, when displacement equates, feed servo motor 14 on workbench 23 is started working and is driven reductor B15 motion, and then band movable eccentric wheel 16 rotates, eccentric wheel 16 and then drive swing arm 22 move, swing arm 22 will drive connected main cutting servomotor 6 and move, main cutting servomotor 6 be take swing fulcrum roller 5 inwardly to rotate as the center of circle, and then drive saw blade 20 is cut to welded tube, after cutting, feed servo motor 14 is by reductor B15, eccentric wheel 16, swing arm 22 sets back main cutting servomotor 6, and then drive saw blade 20 breaks away from welded tubes, welded tube is continued mobile, until welded tube move to the cutting apart from the time, cutter sweep continues to repeat above step.
As preferably, also comprise clamping device, described clamping device comprises clamping cylinder 25, air cylinder support 24, quiet clamp 28, moving clamp 29, clamping guide-rail 27, joint ball bearing screw rod 26, upper backup pad 31, lower supporting plate 30, gripper shoe fulcrum 32, described air cylinder support 24, quiet clamp 28, gripper shoe fulcrum 32 is arranged at respectively on fixed head 8 fronts, described clamping cylinder 25 is connected with fixed head 8 by air cylinder support 24, described upper backup pad 31 1 ends are connected with gripper shoe fulcrum 32, the other end is connected with an end of joint ball bearing screw rod 26 and lower supporting plate 30 respectively, the other end of described lower supporting plate 30 is connected with moving clamp 29, described moving clamp 29 is connected with quiet clamp 28 by clamping guide-rail 27, described clamping cylinder 25 is by joint ball bearing screw rod 26, upper backup pad 31, lower supporting plate 30 drives moving clamp 29 and clamps with quiet clamp 28 and unclamp.
When welded tube moves to Cutting Length, the joint ball bearing screw rod 26 that clamping cylinder 25 will be started working and promotion is connected with clamping cylinder 25 moves, and then promote upper backup pad 31 around 32 rotations of gripper shoe fulcrum, promote moving clamp 29 thereby drive lower supporting plate 30 moves and move and then clamp welded tube to quiet clamp 28, after having cut, clamping cylinder 25 unclamps, thereby drive upper backup pad 31 around gripper shoe fulcrum 32 homings by joint ball bearing screw rod 26, thereby drive moving clamp 29 by lower supporting plate 30, with quiet clamp 28, separate and unclamp welded tube.
As preferably, described pedestal 11 two ends also are provided with approach switch 2.
As preferably, described Timing Belt driven pulley 1 place also is provided with degree of tightness adjusting bolt 19.
As preferably, between described workbench 23 and fixed head 8, also be provided with ribs 21.
As preferably, also be provided with saw blade outer cover 4 on described fixed head 8, described saw blade outer cover 4 bottoms are V-shape.
As preferably, described motor 13, main cutting servomotor 6, feed servo motor 14, reductor B15 control by same control system is unified.
As preferably, described motor 13 is vertically placed or horizontal direction is placed.
As preferably, described motor 13 is threephase asynchronous or servomotor.
As preferably, on described pedestal 11, also be provided with Timing Belt outer cover 33.
As preferably, described guide rail 10 two ends are individually fixed on the side plate 113 of pedestal 11 both sides.
As preferably, the angle A between described guide rail 10 and horizontal direction is 60 °～85 °, and the deflector 112 of pedestal 11 and the angle B between horizontal direction are 55 °～80 °, and the table top 111 of pedestal 11 and the angle C between horizontal direction are 20 °～40 °.
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the scope of the present patent application patent change and modify, and all should belong to covering scope of the present invention.
Claims (12)
1. a cutting machine, comprise pedestal (11), guide rail (10), motor (13), reductor A (34), transmission device, cutter sweep, it is characterized in that: described guide rail (10) is arranged at pedestal (11) top, described transmission device comprises Timing Belt (3), Timing Belt driving wheel (12), Timing Belt driven pulley (1), workbench (23), Timing Belt pressing plate (18), described Timing Belt driving wheel (12) and Timing Belt driven pulley (1) are arranged at respectively the both sides of pedestal (11), described motor (13) is arranged at pedestal (11) one sides and drives Timing Belt driving wheel (12) rotation by reductor A (34), described Timing Belt (3) one ends are placed on Timing Belt driving wheel (12), the other end is placed on Timing Belt driven pulley (1), be provided with Timing Belt joint (17) on described Timing Belt (3), described Timing Belt pressing plate (18) is arranged on workbench (23), described workbench (23) compresses mutually by Timing Belt pressing plate (18) and Timing Belt joint (17), described cutter sweep comprises fixed head (8), main cutting servomotor (6), eccentric wheel (16), feed servo motor (14), reductor B (15), swing arm (22), saw blade (20), support (7), described fixed head (8) is connected with described workbench (23), described fixed head (8) back side is provided with slide block (9), front is provided with and swings fulcrum roller (5), described fixed head (8) is reciprocating along guide rail (10) by slide block (9), described support (7) one ends are connected with swing fulcrum roller (5), the other end is connected with main cutting servomotor (6), described saw blade (20) is connected with described main cutting servomotor (6), described reductor B (15) is connected with described feed servo motor (14), described eccentric wheel (16) is connected with described reductor B (15), described reductor B (15) is arranged on workbench (23), described swing arm (22) one ends are connected with eccentric wheel (16), the other end is connected with the shell of main cutting servomotor (6).
2. a kind of cutting machine according to claim 1, it is characterized in that: also comprise clamping device, described clamping device comprises clamping cylinder (25), air cylinder support (24), quiet clamp (28), moving clamp (29), clamping guide-rail (27), joint ball bearing screw rod (26), upper backup pad (31), lower supporting plate (30), gripper shoe fulcrum (32), described air cylinder support (24), quiet clamp (28), gripper shoe fulcrum (32) is arranged at respectively on fixed head (8) front, described clamping cylinder (25) is connected with fixed head (8) by air cylinder support (24), described upper backup pad (31) one ends are connected with gripper shoe fulcrum (32), the other end is connected with an end of joint ball bearing screw rod (26) and lower supporting plate (30) respectively, the other end of described lower supporting plate (30) is connected with moving clamp (29), described moving clamp (29) is connected with quiet clamp (28) by clamping guide-rail (27), described clamping cylinder (25) is by joint ball bearing screw rod (26), upper backup pad (31), lower supporting plate (30) drives moving clamp (29) and clamps with quiet clamp (28) and unclamp.
3. a kind of cutting machine according to claim 1, it is characterized in that: described pedestal (11) two ends also are provided with approach switch (2).
4. a kind of cutting machine according to claim 1, it is characterized in that: described Timing Belt driven pulley (1) locates also to be provided with degree of tightness adjusting bolt (19).
5. a kind of cutting machine according to claim 1, is characterized in that: between described workbench (23) and fixed head (8), also be provided with ribs (21).
6. a kind of cutting machine according to claim 1 is characterized in that: also be provided with saw blade outer cover (4) on described fixed head (8), described saw blade outer cover (4) bottom is V-shape.
7. a kind of cutting machine according to claim 1 is characterized in that: described motor (13), main cutting servomotor (6), feed servo motor (14), reductor B (15) control by same control system is unified.
8. a kind of cutting machine according to claim 1 is characterized in that: described motor (13) is vertically placed or horizontal direction is placed.
9. a kind of cutting machine according to claim 1, it is characterized in that: described motor (13) is threephase asynchronous or servomotor.
10. a kind of cutting machine according to claim 1, is characterized in that: also be provided with Timing Belt outer cover (33) on described pedestal (11).
11. a kind of cutting machine according to claim 1 is characterized in that: described guide rail (10) two ends are individually fixed on the side plate (113) of pedestal (11) both sides.
12. a kind of cutting machine according to claim 1, it is characterized in that: the angle A between described guide rail (10) and horizontal direction is 60 °～85 °, deflector (112) and the angle B between horizontal direction of pedestal (11) are 55 °～80 °, and table top (111) and the angle C between horizontal direction of pedestal (11) are 20 °～40 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310489723.8A CN103495772B (en) | 2013-10-18 | 2013-10-18 | A kind of cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310489723.8A CN103495772B (en) | 2013-10-18 | 2013-10-18 | A kind of cutting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103495772A true CN103495772A (en) | 2014-01-08 |
| CN103495772B CN103495772B (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310489723.8A Expired - Fee Related CN103495772B (en) | 2013-10-18 | 2013-10-18 | A kind of cutting machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN103495772B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105965090A (en) * | 2016-06-06 | 2016-09-28 | 大连民族大学 | Movable pneumatic booster reciprocating cutting and discharging machine |
| CN107584687A (en) * | 2017-10-31 | 2018-01-16 | 乐山新天源太阳能科技有限公司 | Annular diamond wire extracting machine |
| CN107671358A (en) * | 2017-09-19 | 2018-02-09 | 上海恒荷机电科技有限公司 | Section tube electric tube cutter |
| CN109283042A (en) * | 2018-11-08 | 2019-01-29 | 上海赛飞航空线缆制造有限公司 | A kind of flexible cable is test bed |
| CN110303170A (en) * | 2019-07-14 | 2019-10-08 | 南京湛泸科技有限公司 | A kind of gate valve seat ring cutter device |
| CN113547339A (en) * | 2020-04-26 | 2021-10-26 | 盐城市海通机械制造厂 | Automatic control cutting device |
| CN114472752A (en) * | 2021-12-23 | 2022-05-13 | 杭州应敏科技有限公司 | Automatic cable cutting device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105965090A (en) * | 2016-06-06 | 2016-09-28 | 大连民族大学 | Movable pneumatic booster reciprocating cutting and discharging machine |
| CN105965090B (en) * | 2016-06-06 | 2018-03-27 | 大连民族大学 | A kind of packaged type air assisted reciprocating cutting blanking machine |
| CN107671358A (en) * | 2017-09-19 | 2018-02-09 | 上海恒荷机电科技有限公司 | Section tube electric tube cutter |
| CN107584687A (en) * | 2017-10-31 | 2018-01-16 | 乐山新天源太阳能科技有限公司 | Annular diamond wire extracting machine |
| CN107584687B (en) * | 2017-10-31 | 2024-03-26 | 乐山新天源太阳能科技有限公司 | Annular diamond wire squaring machine |
| CN109283042A (en) * | 2018-11-08 | 2019-01-29 | 上海赛飞航空线缆制造有限公司 | A kind of flexible cable is test bed |
| CN109283042B (en) * | 2018-11-08 | 2022-02-22 | 上海赛飞航空线缆制造有限公司 | Flexible cable test bench |
| CN110303170A (en) * | 2019-07-14 | 2019-10-08 | 南京湛泸科技有限公司 | A kind of gate valve seat ring cutter device |
| CN110303170B (en) * | 2019-07-14 | 2024-05-17 | 南京湛泸科技有限公司 | Gate valve seat ring cutting device |
| CN113547339A (en) * | 2020-04-26 | 2021-10-26 | 盐城市海通机械制造厂 | Automatic control cutting device |
| CN114472752A (en) * | 2021-12-23 | 2022-05-13 | 杭州应敏科技有限公司 | Automatic cable cutting device |
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| Publication number | Publication date |
|---|---|
| CN103495772B (en) | 2015-09-02 |
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