CN204504366U - A kind of angle steel saw lathe - Google Patents
A kind of angle steel saw lathe Download PDFInfo
- Publication number
- CN204504366U CN204504366U CN201520140015.8U CN201520140015U CN204504366U CN 204504366 U CN204504366 U CN 204504366U CN 201520140015 U CN201520140015 U CN 201520140015U CN 204504366 U CN204504366 U CN 204504366U
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- sawing unit
- workbench
- lathe bed
- angle steel
- lathe
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Abstract
The utility model discloses a kind of angle steel saw lathe, the utility model comprises lathe bed, the workbench be arranged on lathe bed, left sawing unit and right sawing unit, left sawing unit and right sawing unit are arranged on lathe bed, left sawing unit and right sawing unit lay respectively at the left and right sides of workbench, workbench is provided with the material road for supporting workpiece, workbench is provided with the hold down gag for workpiece pressing.The utility model adopts two sawing unit, and cutting-rate is high, and during work, two saw blade sawing simultaneously angle steel, reduces the saw blade diameter used, increase the stability of saw blade, ensure the service life of saw blade; The utility model is a high efficiency, high-quality, low use cost, safe and reliable angle steel saw lathe.
Description
Technical field
The utility model relates to a kind of angle steel saw lathe.
Background technology
What require angle steel cross section quality along with the development of steel tower industry and electrical network conveying industries improves constantly, and the shearing in usual angle steel processing and manufacturing, band saw Sawing Process, can not meet the cross section quality requirement to large gauge angle steel in professional standard.For the sawing of large gauge angle steel, if adopt the sawing of single saw blade disk, the saw blade of use will comparatively large, rigidity of saw blade is poor, use cost is also higher.Therefore, how to provide a high efficiency, high-quality, low use cost and the angle steel High-speed Sawing Machine of automated production can be met, for particularly important steel tower corner iron manufacturing industry.
Utility model content
The technical problems to be solved in the utility model is: provide the angle steel saw lathe that a kind of cutting efficiency is high.
In order to solve the problems of the technologies described above, the utility model comprises lathe bed, the workbench be arranged on lathe bed, left sawing unit and right sawing unit, left sawing unit and right sawing unit are arranged on lathe bed, left sawing unit and right sawing unit lay respectively at the left and right sides of workbench, workbench is provided with the material road for supporting workpiece, workbench is provided with the hold down gag for workpiece pressing.
In order to better clamping workpiece, described lathe bed comprises left lathe bed and right lathe bed, workbench is fixed on left lathe bed and right lathe bed, there is bottom described material road the supporting surface that two, left and right is corresponding to two lateral surfaces of workpiece, left lathe bed is provided with the feed arrangement driving the feeding of left sawing unit, the direction of feed of left sawing unit is parallel with the left support face in material road, right lathe bed is provided with the feed arrangement driving the feeding of right sawing unit, the direction of feed of right sawing unit is parallel with the right support face in material road.
In order to improve the stability of lathe bed, described left lathe bed and right lathe bed are fixed on same base.
Smooth in order to ensure the tangent plane of workpiece, described left sawing unit and the saw blade of right sawing unit are circular saw bit, and two circular saw bits are in the same plane vertical with workbench charge channel length direction.
For the ease of sending workpiece to, the feed side of described workbench is provided with material-supporting device, material-supporting device comprise slide up and down setting supporting plate on the table, drive supporting plate lifting hydraulic cylinder and be arranged on supporting plate for supporting the roller of workpiece.
Workpiece is sent in order to be convenient to further, described hydraulic cylinder is arranged on the side of workbench upper feeding, cylinder body and the workbench of hydraulic cylinder fix, supporting plate is provided with two rollers, the both sides of supporting plate are respectively provided with a guide pad for supporting plate elevating movement guiding, the downside of supporting plate is connected with the piston rod of hydraulic cylinder, and guide pad is fixedly connected with workbench.
For the ease of left and right sides sawing simultaneously, described left sawing unit is identical with right sawing cellular construction, the feed arrangement of right sawing unit is identical with the feed arrangement structure of left sawing unit, left sawing unit and right sawing unit are symmetricly set on the left and right sides of workbench, and the feed arrangement of left sawing unit and the feed arrangement of right sawing unit are symmetricly set on the left and right sides of workbench.
In order to improve the cutting-rate of two sawing unit, described left sawing unit comprises drive motors, reductor, saw blade, wheel brush considers device to be worth doing clearly, oil mist cooling device and magnetic powder brake, the output shaft of drive motors is directly connected with the power shaft of reductor, saw blade is arranged on the output shaft of reductor, saw blade both sides are furnished with the combination of carbide alloy briquetting, one end of the output shaft of reductor is fixed with ring flange, saw blade is fixed on ring flange by bearing pin, magnetic powder brake is arranged on the other end of the output shaft of reductor, wheel brush clear bits device comprises brush holder and rotates the brush of the colyliform be arranged on brush holder, brush holder is fixed on reductor, brush is pressed in the edge of saw blade side, oil mist cooling device is arranged on reductor, injection direction is facing to saw blade.The utility model adopts and install magnetic powder brake on speed reducer output shaft, and reduction or backlash when eliminating reducer gear transmission, extend saw blade lifetime; The utility model adopts mist of oil cooling, device considered clearly to be worth doing by wheel brush, hard alloy blocks guiding, effectively prevent the vibration of sawing process, sticky tooth phenomenon and secondary cutting to the damage of saw blade.
For the ease of driving the feeding of sawing unit, described left feed arrangement comprises left servomotor, ball-screw and line slideway auxiliary, the ball-screw of left feed arrangement and line slideway auxiliary are arranged on left lathe bed, left servomotor is fixed on bearing, bearing is fixed on left lathe bed, left servomotor is connected with the leading screw of ball-screw by shaft coupling, and the slide block on the left reductor of sawing unit and the screw of ball-screw and line slideway auxiliary fixes.
In order to better workpiece pressing, described hold down gag has two covers, often overlap hold down gag and comprise hydraulic cylinder, hold down gag connecting plate, briquetting and clamping plate, the cylinder body of the hydraulic cylinder of hold down gag is fixed on top board, hold down gag connecting plate is connected by being connected hanger with the piston rod of the hydraulic cylinder of hold down gag, briquetting and clamping plate are bolted, hold down gag connecting plate is between briquetting and clamping plate, hold down gag connecting plate and briquetting and clamping plate pass through pinned connection, workbench is provided with the guider of briquetting lifting, the length direction in two cover compression device busy Tai Liao roads arranges.By using two hold down gags to compress simultaneously, reduce the resonance of workpiece in sawing process, ensure sawing cross section quality.
The beneficial effects of the utility model are: the utility model adopts two sawing unit, and cutting-rate is high, and during work, two saw blade sawing simultaneously angle steel, reduces the saw blade diameter used, increase the stability of saw blade, ensure the service life of saw blade; The utility model is a high efficiency, high-quality, low use cost, safe and reliable angle steel saw lathe.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model;
Fig. 2 is schematic front view of the present utility model;
Fig. 3 is that schematic diagram is looked on a left side of the present utility model;
Fig. 4 is schematic top plan view of the present utility model;
Fig. 5 is A partial enlarged drawing in Fig. 2;
Fig. 6 is B partial enlarged drawing in Fig. 4;
Fig. 7 is the main TV structure schematic diagram of utility model works platform place part;
Fig. 8 is the left TV structure schematic diagram of utility model works platform place part;
Fig. 9 is A-A sectional view in Fig. 7;
Figure 10 is B-B sectional view in Fig. 8;
Figure 11, Figure 12 are fundamental diagram of the present utility model;
In figure: 1, base, 2, left lathe bed, 3, left feed arrangement, 4, left sawing unit, 5, workbench, 6, hold down gag, 7, right sawing unit, 8, right feed arrangement, 9, right lathe bed, 10, material-supporting device, 11, servomotor, 12, bearing, 13, drive motors, 14, reductor, 15, saw blade, 16, carbide alloy briquetting combines, and 17, saw blade, 18, carbide alloy briquetting combines, and 19, reductor, 20, drive motors, 21, servomotor, 22, bearing, 23, ball-screw, 24, line slideway auxiliary, 25, magnetic powder brake, 26, hydraulic cylinder, 27, hydraulic cylinder, 28, wheel brush considers device to be worth doing clearly, 29, oil mist cooling device, 30, ring flange, 31, guide plate, 32, briquetting, 33, connecting plate, 34, clamping plate, 35, guide plate, 36, hydraulic cylinder, 37, supporting plate, 38, guide pad, 39, roller, 40, 41, 43, riser, 42, gripper shoe, 44, gripper shoe, 45, 51, wearing plate, 46, 49, gusset, 47, 48, stiffener, 50, gripper shoe, 52, top board.
Detailed description of the invention
The concrete embodiment of one as Figure 1-10 shows, it comprises left lathe bed 2, workbench 5, right lathe bed 9, hold down gag 6, left sawing unit 4, base 1, right lathe bed 9, right sawing unit 7 and material-supporting device 10, left lathe bed 2 and right lathe bed 9 are fixed on base 1, workbench 5 is fixed on left lathe bed 2 and right lathe bed 9, hold down gag 6 is arranged on workbench 5, right sawing unit 7 is arranged on right lathe bed 9, and left sawing unit 4 is arranged on left lathe bed 2.
As shown in Fig. 1, Fig. 7, Fig. 8 and Figure 10, workbench 5 comprises riser 40, riser 41, gripper shoe 42 and riser 43.Riser 40, riser 41 and riser 43 are arranged in parallel, riser 40, riser 41 are respectively connected by a gripper shoe 44 with the both sides of riser 43, riser 40, riser 41 and riser 43 offer material hole, riser 40 and riser 41 material hole internal fixtion have two pieces of gripper shoe 42 and gripper shoes 50 being arranged in V-shaped, gripper shoe 42 is provided with wearing plate 45, gripper shoe 50 is provided with wearing plate 51, thus on workbench 5, form material road.Riser 40, riser 41 are connected with stiffener 48 by stiffener 47 with the both sides of the bottom of riser 43.Be provided with gusset 49 between gripper shoe 50 and stiffener 48, between gripper shoe 42 and stiffener 47, be provided with gusset 46.The top of riser 40, riser 41 and riser 43 is fixed by top board 52.
As shown in Figure 1, Figure 2 and Figure 4, left sawing unit 4 and right sawing unit 7 are arranged symmetrically in workbench 5 both sides, and workpiece passes through on the material road of workbench 5, and material-supporting device 10 is fixed on the riser 40 of workbench 5.
As shown in Figure 7, Figure 8 and Figure 9, material-supporting device 10 comprises hydraulic cylinder 36, supporting plate 37, roller 39 and guide pad 38.Hydraulic cylinder 36 is arranged on the side of workbench 5 upper feeding, cylinder body and the workbench 5 of hydraulic cylinder 36 fix, supporting plate 37 is provided with two rollers 39, the both sides of supporting plate 37 are respectively provided with a guide pad 38, the downside of supporting plate 37 is connected with the piston rod of hydraulic cylinder 36, guide pad 38 is for the guiding of supporting plate 37 elevating movement, and guide pad 38 is fixedly connected with workbench 5.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, left sawing unit 4 comprises drive motors 13, reductor 14, saw blade 15, wheel brush clear bits device 28, oil mist cooling device 29 and magnetic powder brake 25.The output shaft of drive motors 13 is directly connected with the power shaft of reductor 14, saw blade 15 is arranged on the output shaft of reductor 14, one end of the output shaft of reductor 14 is fixed with ring flange 30, saw blade 15 is fixed on ring flange 30 by bearing pin, saw blade 15 both sides are furnished with carbide alloy briquetting combination 16, magnetic powder brake 25 is arranged on the other end of the output shaft of reductor 14, wheel brush clear bits device 28 comprises brush holder and rotates the brush of the colyliform be arranged on brush holder, brush holder is fixed on reductor 14, brush is pressed in the edge of saw blade 15 side, brush rotates with the rotation of saw blade 15, reach the effect of the residual scrap iron removed on sawtooth.Oil mist cooling device 29 is arranged on reductor 14, and injection direction is facing to saw blade 15, and the sawtooth making sawing complete reaches the effect of cooling rapidly.
Right sawing unit 7 comprises drive motors 20, reductor 19, saw blade 17, wheel brush clear bits device 28, oil mist cooling device 29, carbide alloy briquetting combination 18 and magnetic powder brake 25.The syndeton of each parts of right sawing unit 7 is identical with left sawing unit 4.
Left sawing unit 4 is arranged on left lathe bed 2 by left feed arrangement 3, left feed arrangement 3 comprises servomotor 11, ball-screw 23 and line slideway auxiliary 24, the ball-screw 23 of left feed arrangement 3 and line slideway auxiliary 24 are arranged on left lathe bed 2, servomotor 11 is fixed on bearing 12, bearing 12 is fixed on left lathe bed 2, servomotor 11 is connected by the leading screw of shaft coupling with ball-screw 23, the reductor 14 of left sawing unit 4 fixes with the slide block on the screw of ball-screw 23 and line slideway auxiliary 24, thus left sawing unit 4 can be driven in the guide effect lower feeding of line slideway auxiliary 24.
Right sawing unit 7 is arranged on right lathe bed 9 by right feed arrangement 8, and right feed arrangement 8 comprises servomotor 21, ball-screw 23 and line slideway auxiliary 24, and the structure of right feed arrangement 8 is identical with left feed arrangement 3.The ball-screw 23 of right feed arrangement 8 and line slideway auxiliary 24 are arranged on right lathe bed 9, and servomotor 21 is fixed on right lathe bed 9 by bearing 22.The reductor 19 of right sawing unit 7 fixes with the slide block on the screw of ball-screw 23 and line slideway auxiliary 24, thus right sawing unit 7 can be driven in the guide effect lower feeding of line slideway auxiliary 24.
The guide direction of two line slideway auxiliaries 24 of left feed arrangement 3 and right feed arrangement 8 is perpendicular.The axis being parallel of saw blade 15 and saw blade 17 and vertical with the guide direction of two line slideway auxiliaries 24, saw blade 15 and saw blade 17 are in the same plane vertical with workbench 5 charge channel length direction.The guide direction of the line slideway auxiliary 24 of left feed arrangement 3 is parallel with the wearing plate in the left side in workbench Shang Liao road, and the guide direction of the line slideway auxiliary 24 of right feed arrangement 8 is parallel with the wearing plate on the right side in workbench Shang Liao road.
As shown in Fig. 1, Fig. 9 and Figure 10, hold down gag 6 has two covers, often overlap hold down gag 6 comprise hydraulic cylinder 26(or hydraulic cylinder 27), hold down gag connecting plate 33, briquetting 32 and clamping plate 34.The cylinder body of hydraulic cylinder 26 is fixed on top board 52, hold down gag connecting plate 33 is connected by being connected hanger with the piston rod of hydraulic cylinder 26, briquetting 32 and clamping plate 34 are bolted, hold down gag connecting plate 33 is between briquetting 32 and clamping plate 34, and hold down gag connecting plate 33 passes through pinned connection with briquetting 32 and clamping plate 34.Workbench 5 is provided with the guide plate that two pieces of guide plate 31(guide plates 35 laying respectively at briquetting 32 both sides are the briquetting of another set of hold down gag 6), for the guiding that briquetting 32 moves up and down.Two cover hold down gags 6 arrange on the length direction in the material road of workbench.
The course of work of this specific embodiment is:
1. be placed on by workpiece (angle steel) on material road, under digital control system controls, the sawing position of workbench sent into by workpiece by feeding trolley automatically according to the sawing length of setting.
Descending under the effect of 2. hold down gag 6 hydraulic cylinder thereon, hydraulic system auto lock, workpiece pressing, is fixed on workpiece on the wearing plate of workbench 5.
3. under digital control system controls, servomotor 11 and servomotor 21 drive ball-screw 23 to drive the guide rail feeding of left sawing unit 4 and right sawing unit 7 linearly guideway 24 simultaneously, drive motors 13 and drive motors 20 drive saw blade 15 and saw blade 17 High Rotation Speed by reductor 14 and reductor 19 simultaneously, under the driving of saw blade 15 and saw blade 17, wheel brush clear bits device 28 rotates along with the rotation of saw blade.
4. when saw blade 15 and saw blade 17 are fed into close to workpiece, oil mist cooling device 29 is started working, saw blade 15 and saw blade 17 start sawing workpieces, sawing mode as is illustrated by figs. 11 and 12, wherein left sawing unit 4 sawing workpieces close to after half digital control system control under linearly guide rail return initial point, after right sawing unit 7 sawing workpieces remainder, under digital control system controls, linearly initial point return by guide rail, realizes the complete sawing of workpiece.
5. up under hold down gag hydraulic cylinder effect thereon, get back to respective initial point, unclamp workpiece.
6. the sawing position of workbench delivered to by workpiece by pay-off again, and the workpiece motion s simultaneously sawed is to next process.
7. whole sawings that above action completes this workpiece are repeated.
Claims (10)
1. an angle steel saw lathe, it is characterized in that: comprise lathe bed, the workbench be arranged on lathe bed, left sawing unit and right sawing unit, left sawing unit and right sawing unit are arranged on lathe bed, left sawing unit and right sawing unit lay respectively at the left and right sides of workbench, workbench is provided with the material road for supporting workpiece, workbench is provided with the hold down gag for workpiece pressing.
2. angle steel saw lathe according to claim 1, it is characterized in that: described lathe bed comprises left lathe bed and right lathe bed, workbench is fixed on left lathe bed and right lathe bed, there is bottom described material road the supporting surface that two, left and right is corresponding to two lateral surfaces of workpiece, left lathe bed is provided with the feed arrangement driving the feeding of left sawing unit, the direction of feed of left sawing unit is parallel with the left support face in material road, right lathe bed is provided with the feed arrangement driving the feeding of right sawing unit, the direction of feed of right sawing unit is parallel with the right support face in material road.
3. angle steel saw lathe according to claim 2, is characterized in that: described left lathe bed and right lathe bed are fixed on same base.
4. angle steel saw lathe according to claim 2, is characterized in that: described left sawing unit and the saw blade of right sawing unit are circular saw bit, and two circular saw bits are in the same plane vertical with workbench charge channel length direction.
5. angle steel saw lathe according to claim 2, it is characterized in that: the feed side of described workbench is provided with material-supporting device, material-supporting device comprise slide up and down setting supporting plate on the table, drive supporting plate lifting hydraulic cylinder and be arranged on supporting plate for supporting the roller of workpiece.
6. angle steel saw lathe according to claim 5, it is characterized in that: described hydraulic cylinder is arranged on the side of workbench upper feeding, cylinder body and the workbench of hydraulic cylinder fix, supporting plate is provided with two rollers, the both sides of supporting plate are respectively provided with a guide pad for supporting plate elevating movement guiding, the downside of supporting plate is connected with the piston rod of hydraulic cylinder, and guide pad is fixedly connected with workbench.
7. according to the angle steel saw lathe in claim 1-6 described in any one, it is characterized in that: described left sawing unit is identical with right sawing cellular construction, the feed arrangement of right sawing unit is identical with the feed arrangement structure of left sawing unit, left sawing unit and right sawing unit are symmetricly set on the left and right sides of workbench, and the feed arrangement of left sawing unit and the feed arrangement of right sawing unit are symmetricly set on the left and right sides of workbench.
8. angle steel saw lathe according to claim 7, it is characterized in that: described left sawing unit comprises drive motors, reductor, saw blade, wheel brush considers device to be worth doing clearly, oil mist cooling device and magnetic powder brake, the output shaft of drive motors is directly connected with the power shaft of reductor, saw blade is arranged on the output shaft of reductor, saw blade both sides are furnished with the combination of carbide alloy briquetting, one end of the output shaft of reductor is fixed with ring flange, saw blade is fixed on ring flange by bearing pin, magnetic powder brake is arranged on the other end of the output shaft of reductor, wheel brush clear bits device comprises brush holder and rotates the brush of the colyliform be arranged on brush holder, brush holder is fixed on reductor, brush is pressed in the edge of saw blade side, oil mist cooling device is arranged on reductor, injection direction is facing to saw blade.
9. angle steel saw lathe according to claim 8, it is characterized in that: the feed arrangement of described left sawing unit comprises left servomotor, ball-screw and line slideway auxiliary, the ball-screw of the feed arrangement of left sawing unit and line slideway auxiliary are arranged on left lathe bed, left servomotor is fixed on bearing, bearing is fixed on left lathe bed, left servomotor is connected with the leading screw of ball-screw by shaft coupling, and the slide block on the left reductor of sawing unit and the screw of ball-screw and line slideway auxiliary fixes.
10. according to the angle steel saw lathe in claim 1-6 described in any one, it is characterized in that: described hold down gag has two covers, often overlap hold down gag and comprise hydraulic cylinder, hold down gag connecting plate, briquetting and clamping plate, the cylinder body of the hydraulic cylinder of hold down gag is fixed on top board, hold down gag connecting plate is connected by being connected hanger with the piston rod of the hydraulic cylinder of hold down gag, briquetting and clamping plate are bolted, hold down gag connecting plate is between briquetting and clamping plate, hold down gag connecting plate and briquetting and clamping plate pass through pinned connection, workbench is provided with the guider of briquetting lifting, the length direction in two cover compression device busy Tai Liao roads arranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520140015.8U CN204504366U (en) | 2015-03-12 | 2015-03-12 | A kind of angle steel saw lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520140015.8U CN204504366U (en) | 2015-03-12 | 2015-03-12 | A kind of angle steel saw lathe |
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| Publication Number | Publication Date |
|---|---|
| CN204504366U true CN204504366U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520140015.8U Expired - Fee Related CN204504366U (en) | 2015-03-12 | 2015-03-12 | A kind of angle steel saw lathe |
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| CN (1) | CN204504366U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216050A (en) * | 2015-11-10 | 2016-01-06 | 济南德佳机器有限公司 | The special-shaped sawing device of a kind of section bar |
| CN105478893A (en) * | 2015-12-23 | 2016-04-13 | 大连三高科技发展有限公司 | Double-vehicle type size-fixed flying saw machine |
| CN107234466A (en) * | 2017-06-30 | 2017-10-10 | 四川宇桥铁塔有限公司 | Improve the process of equal leg angle corner cut quality |
| CN107297542A (en) * | 2017-08-24 | 2017-10-27 | 泉州弘正机械有限公司 | A kind of saw cutting device being used in full-automatic electric tube cutter |
| CN110732725A (en) * | 2019-11-22 | 2020-01-31 | 济南华信铝塑门窗设备有限公司 | Section bar saw cuts device |
| CN110877122A (en) * | 2019-12-06 | 2020-03-13 | 温州知束贸易有限公司 | Angle steel cutting device capable of accurately positioning cutting length |
| CN111112740A (en) * | 2018-10-31 | 2020-05-08 | 株式会社则武 | Double-head type bar cutting device |
| CN110732725B (en) * | 2019-11-22 | 2024-06-04 | 济南华信铝塑门窗设备有限公司 | Profile sawing device |
-
2015
- 2015-03-12 CN CN201520140015.8U patent/CN204504366U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216050A (en) * | 2015-11-10 | 2016-01-06 | 济南德佳机器有限公司 | The special-shaped sawing device of a kind of section bar |
| CN105478893A (en) * | 2015-12-23 | 2016-04-13 | 大连三高科技发展有限公司 | Double-vehicle type size-fixed flying saw machine |
| CN107234466A (en) * | 2017-06-30 | 2017-10-10 | 四川宇桥铁塔有限公司 | Improve the process of equal leg angle corner cut quality |
| CN107297542A (en) * | 2017-08-24 | 2017-10-27 | 泉州弘正机械有限公司 | A kind of saw cutting device being used in full-automatic electric tube cutter |
| CN111112740A (en) * | 2018-10-31 | 2020-05-08 | 株式会社则武 | Double-head type bar cutting device |
| CN110732725A (en) * | 2019-11-22 | 2020-01-31 | 济南华信铝塑门窗设备有限公司 | Section bar saw cuts device |
| CN110732725B (en) * | 2019-11-22 | 2024-06-04 | 济南华信铝塑门窗设备有限公司 | Profile sawing device |
| CN110877122A (en) * | 2019-12-06 | 2020-03-13 | 温州知束贸易有限公司 | Angle steel cutting device capable of accurately positioning cutting length |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160427 Address after: Licheng District 250101 Shandong city of Ji'nan province (hi tech Zone) Tianchen Street No. 389 Patentee after: Shandong Fayin Intelligent Equipment Co. Ltd. Address before: Licheng District 250101 Shandong city of Ji'nan province (hi tech Zone) Tianchen Street No. 389 Patentee before: Shandong Fayin Numerically Controlled Machinery Co., Ltd. |
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| 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: 20150729 Termination date: 20200312 |