CN102218555A - Multistation numerical control drilling center of high-precision super-long work piece - Google Patents
Multistation numerical control drilling center of high-precision super-long work piece Download PDFInfo
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- CN102218555A CN102218555A CN2011101376225A CN201110137622A CN102218555A CN 102218555 A CN102218555 A CN 102218555A CN 2011101376225 A CN2011101376225 A CN 2011101376225A CN 201110137622 A CN201110137622 A CN 201110137622A CN 102218555 A CN102218555 A CN 102218555A
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- blanking
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention discloses a multistation numerical control drilling center of a high-precision super-long work piece. The drilling center provided by the invention comprises a host, a feeding system, a blanking system, a pneumatic and vacuum system, a drill adjusting, drill breaking and bald drilling detection and identification system and a CNC (Computer Numerical Control) and operation system, wherein a guide rail bracket is fixed on a main body rack; a linear guide rail is fixed on the guide rail bracket; a linear guide rail slide block is spliced and sheathed on the linear guide rail; a motor bracket is fixed by virtue of bolts or welded on the linear guide rail slide block; a variable frequency motor is fixed on the motor bracket by virtue of bolts; a ball screw and a drilling servo motor are fixed on the guide rail bracket and are connected by virtue of a coupler; a host hydraulic pressing mechanism comprises a hydraulic cylinder, a hydraulic pressing tool and a connecting rod; the hydraulic cylinder is fixed on the main body rack by virtue of bolts; and one end of the connecting rod is hinged with the hydraulic cylinder, and the other end of the connecting rod is hinged with the hydraulic pressing tool. By utilizing the multistation numerical control drilling center, the machining quality and the production efficiency of stainless steel belt holes can be improved, and the integral quality of a steel-aluminum composite conductor rail is guaranteed.
Description
Technical field
The present invention relates to the machine tool technology field, relate to the multi-station digital-controlled commentaries on classics of a kind of high accuracy super long workpiece specifically and cut the center.
Background technology
Steel-aluminium composite conducting rail is the main element in urban track traffic the 3rd (four) the rail electric power system, have conduct electricity very well, current capacity is big, proportion is little, in light weight, easy for installation, corrosion-resistant, anti-wear performance is good, advantages such as long service life.C shape stainless steel band adopts 304 (0Cr18Ni9) or 430 (1Cr17) material in the steel-aluminium composite conducting rail, and general length is 15 meters or 18 meters, requirement is punched on steel band two inclined planes, punch about 1500 or 1800 altogether in the two sides, and the error accumulation of pitch of holes must not surpass 0.3mm, and the rig automaticity and the machining accuracy of stainless steel band are lower in the steel-aluminium composite conducting rail that uses at present, the multi-station digital-controlled drilling of high accuracy super long workpiece center can significantly improve stainless steel crudy with holes and production efficiency, guarantees the steel-aluminium composite conducting rail total quality.
Summary of the invention
Purpose of the present invention is exactly the deficiency at prior art, and providing the multi-station digital-controlled commentaries on classics of a kind of high accuracy super long workpiece to cut the center, its main frame hydraulic pressure hold-down mechanism can significantly improve stainless steel machining accuracy with holes and production efficiency and guarantee the total quality of steel-aluminium composite conducting rail.
Technology solution of the present invention is as follows:
The multi-station digital-controlled drilling of high accuracy super long workpiece center comprises main frame, feeding system, blanking system, pneumatic and vacuum system and CNC numerical control and operating system; Feeding system is positioned over the front end of main frame, and blanking system is positioned over host back end; Pneumatic and vacuum system is fixed on the main frame, CNC numerical control and operating system are fixed on the main stand, be fixed with rail brackets on the main stand, line slideway is fixed on the rail brackets, line slideway slide block sleeve on line slideway, electric machine support bolting or be welded on the line slideway slide block, variable-frequency motor is bolted on the electric machine support, ball screw and drilling servomotor are fixed on the rail brackets, connect by shaft coupling between the two; Main frame hydraulic pressure hold-down mechanism comprises hydraulic cylinder, hydraulic pressure pressing element and connecting rod, and hydraulic cylinder is bolted on the main stand, the hinged hydraulic pressure pressing element of hinged hydraulic cylinder one end of connecting rod one end; Transmission servomotor bolt is connected on the main stand, and the transmission servomotor links to each other with the gear of drive rail on being fixed on main stand by chain, is fixed with clamping fixture support on the drive rail.
Feeding system comprises that material loading welding support, material loading dial chain motor and the quiet guide rail of material loading, and material loading is dialled chain motor bolt and is connected on the material loading welding support, and the quiet guide rail of material loading is fixed on the material loading welding support.
Blanking connects crossbeam one end welding blanking welding support, other end welding blanking line slideway support, bolt connects the blanking line slideway between two blanking welding supports, the quiet guide rail holder of blanking is fixed on blanking with the blanking servomotor and is connected on the crossbeam, the blanking servomotor links to each other with the blanking ball screw by shaft coupling, blanking ball screw other end sleeve is connected blanking at bolt and connects in the rigid bearing on the crossbeam, the quiet guide rail of blanking is fixed on the quiet guide rail holder of blanking, the quiet guide rail cage bolt of blanking is fixed with a plurality of pneumatic cutting agencies, be fixed with the blanking slide block on the quiet guide rail of blanking, bolting has the mobile anchor clamps in location and wears pin retention mechanisms on the blanking slide block, and blanking hydraulic pressure hold-down mechanism is fixed on the blanking line slideway.
Brill, the breaking of rod, the bald brill detection and Identification system of transferring is installed on the main frame.
Beneficial effect of the present invention is:
1, adopt main frame hydraulic pressure hold-down mechanism to guarantee that C shape stainless steel band drawbore position is consistent with composite holes position benchmark, the position, hole conforms to, and has improved the machining accuracy of workpiece and production efficiency and has guaranteed the total quality of steel-aluminium composite conducting rail.
2, blanking system adopts pneumatic cutting agency, has improved automation degree of equipment.
3, adopt hydraulic clamp and pneumatic detent mechanism, guaranteed not lose the step when C shape stainless steel band moves, do not have skew.
4, adopt hydraulic pressure and pneumatic system, leakage to bore detection and Identification system and CNC control and operating system, significantly improved drilling quality and efficient.
5, stable, the good reliability of equipment.
6, overall construction design is reasonable, and good looking appearance is installed simple, convenient.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples:
Fig. 1 is the left view of main frame of the present invention;
Fig. 2 is the front view of main frame of the present invention;
Fig. 3 is the I partial enlarged drawing of Fig. 1;
Fig. 4 is the front view of feeding system of the present invention;
Fig. 5 is the right view of feeding system of the present invention;
Fig. 6 is the front view of blanking system of the present invention;
Fig. 7 is the right view of blanking system of the present invention;
Fig. 8 is the shaft side figure of blanking system of the present invention;
Fig. 9 is the front view of the C type stainless steel band that the present invention processed;
Figure 10 is the left view of the C type stainless steel band that the present invention processed.
Among the figure: 101, main frame; 102, feeding system; 103, blanking system; 104, main frame hydraulic pressure hold-down mechanism; 105, pneumatic and vacuum system; 106, CNC numerical control and operating system; 1, transmission servomotor; 2, main stand; 3, line slideway slide block; 4, ball screw; 5, shaft coupling; 6, electric machine support; 7, variable-frequency motor; 8, line slideway; 9, rail brackets; 10, drilling servomotor, 11, hydraulic cylinder; 12, connecting rod; 13, hydraulic pressure pressing element; 14, chain; 15, drive rail; 16, clamping fixture support; 21, material loading welding support; 22, material loading is dialled the chain motor; 23, the quiet guide rail of material loading; 31, wear pin retention mechanisms; 32, blanking line slideway; 33, blanking line slideway support; 34, blanking connects crossbeam; 35, pneumatic cutting agency; 36, blanking welding support; 37, blanking servomotor; 38, blanking ball screw; 39, locate mobile anchor clamps; 40, the quiet guide rail of blanking; 41, the quiet guide rail holder of blanking; 42, blanking hydraulic pressure hold-down mechanism; 43, rigid bearing; 44, blanking slide block; 45, transfer brill, the breaking of rod, bald brill detection and Identification system.
The specific embodiment
The following stated only is preferred embodiment of the present invention, does not therefore limit protection scope of the present invention.
Embodiment: see Fig. 1 to shown in Figure 10, the multi-station digital-controlled drilling of high accuracy super long workpiece center comprises main frame 101, feeding system 102, blanking system 103, pneumatic and vacuum system 105 and CNC numerical control and operating system 106; Feeding system 102 is positioned over the front end of main frame 101, and blanking system 103 is positioned over the rear end of main frame 101; Pneumatic and vacuum system 105 is fixed on the main frame 101, CNC numerical control and operating system 106 are fixed on the main stand 2, be fixed with rail brackets 9 on the main stand 2, line slideway 8 is fixed on the rail brackets 9, line slideway slide block 3 sleeves on line slideway 8, electric machine support 6 bolting or be welded on the line slideway slide block 3, variable-frequency motor 7 is bolted on the electric machine support 6, ball screw 4 and drilling servomotor 10 are fixed on the rail brackets 9, connect by shaft coupling 5 between the two; Main frame hydraulic pressure hold-down mechanism 104 comprises hydraulic cylinder 11, hydraulic pressure pressing element 13 and connecting rod 12, and hydraulic cylinder 11 is bolted on the main stand 2, the hinged hydraulic pressure pressing element 13 of hinged hydraulic cylinder 11 1 ends of connecting rod 12 1 ends; Transmission servomotor 1 bolt is connected on the main stand 2, and transmission servomotor 1 links to each other with the gear of drive rail 15 on being fixed on main stand 2 by chain 14, is fixed with clamping fixture support 16 on the drive rail 15.
Feeding system 102 comprises that material loading welding support 21, material loading dial chain motor 22 and the quiet guide rail 23 of material loading, and material loading is dialled chain motor 22 bolts and is connected on the material loading welding support 21, and the quiet guide rail 23 of material loading is fixed on the material loading welding support 21.
Blanking connects crossbeam 34 1 ends welding blanking welding support 36, other end welding blanking line slideway support 33, bolt connects blanking line slideway 32 between two blanking welding supports 36, the quiet guide rail holder 41 of blanking is fixed on blanking with blanking servomotor 37 and is connected on the crossbeam 34, blanking servomotor 37 links to each other with blanking ball screw 38 by shaft coupling, blanking ball screw 38 other end sleeves are connected blanking at bolt and connect in the rigid bearing 43 on the crossbeam 34, the quiet guide rail 40 of blanking is fixed on the quiet guide rail holder 41 of blanking, quiet guide rail holder 41 bolting of blanking have a plurality of pneumatic cutting agencies 35, be fixed with blanking slide block 44 on the quiet guide rail 40 of blanking, bolting has the mobile anchor clamps 39 in location and wears pin retention mechanisms 31 on the blanking slide block 44, and blanking hydraulic pressure hold-down mechanism 42 is fixed on the blanking line slideway 32.
Brill, the breaking of rod, the bald brill detection and Identification system 45 of transferring is installed on the main frame 101.
Operation principle:
Material loading is dialled chain motor 22 and is rotated, and drives sprocket wheel work, makes group chain drive C shape stainless steel band and moves ahead, and finishes feeding for the first time, and the limit switch perceptual signal is dialled chain and returned.
Drilling servomotor 10 drives ball screws 4 and rotates, drive line slideway slide block 3 and on workpiece move, the servomotor 1 of transmission simultaneously by chain 14 make clamping fixture support 16 and on workpiece move, finish the main frame feeding several times of holing.The liquid circulation groove is fixed on the clamping fixture support 16, is convenient to cooling fluid and reclaims.
Add man-hour for full-length 18000mm (or 15000mm) C shape stainless steel band, main frame is finished after the boring of every C shape stainless steel band 3000mm, drilling servomotor 10 drives ball screw 4 and rotates, make line slideway slide block 3 and on the workpiece section that moves ahead move (100mm) and stop, for next procedure ready.
The wearing pin retention mechanisms 31 and will locate the top and insert in the hole of blanking system, blanking servomotor 37 drives blanking ball screws 38 and rotates, and drives to wear mobile anchor clamps 39 reaches of pin retention mechanisms 31 and location, and making the workpiece shift motion is 2900mm, finishes feeding for the second time.The hydraulic system action, make the hydraulic cylinder 11 of main frame hydraulic pressure hold-down mechanism 104 promote hydraulic pressure pressing element 13 and blanking hydraulic pressure hold-down mechanism 42 drive pressing plate workpiece pressings by connecting rod 12, then vacuum system starts, vacuum cup absorption, wear pin retention mechanisms 31 punch offs, wear the mobile anchor clamps 39 of pin retention mechanisms 31 and location and return, the hydraulic pressure of blanking simultaneously hold-down mechanism 42 drives the release of pressing plate workpiece pressing.
After for the second time boring is finished, the wearing pin retention mechanisms 31 and will locate the top and insert in the hole of blanking system, blanking servomotor 37 drives blanking ball screws 38 and rotates, and drives to wear the mobile anchor clamps 39 of pin retention mechanisms 31 and location and move forward, and finishes feeding for the third time.
The 4th time with the 5th time and for the third time manner of execution, and feeding length is identical.
The 6th time identical with for the third time manner of execution.
The wearing pin retention mechanisms 31 and will locate the top and insert in the hole of blanking system, blanking servomotor 37 drives ball screws 38 and rotates, and drives to wear mobile anchor clamps 39 reaches of pin retention mechanisms 31 and location, makes workpiece shift out main frame fully, to the blanking workbench.The hydraulic system action makes blanking hydraulic pressure hold-down mechanism 42 drive the pressing plate workpiece pressing, wears pin retention mechanisms 31 punch offs, wears the mobile anchor clamps 39 of pin retention mechanisms 31 and location and returns.Then, blanking hydraulic pressure hold-down mechanism 42 drives the release of pressing plate workpiece pressing, and the boring everything is finished.
Claims (4)
1. the multi-station digital-controlled drilling of high accuracy super long workpiece center comprises main frame (101), feeding system (102), blanking system (103), pneumatic and vacuum system (105) and CNC numerical control and operating system (106); Feeding system (102) is positioned over the front end of main frame (101), and blanking system (103) is positioned over the rear end of main frame (101); Pneumatic and vacuum system (105) is fixed on the main frame (101), CNC numerical control and operating system (106) are fixed on the main stand (2), it is characterized in that: be fixed with rail brackets (9) on the main stand (2), line slideway (8) is fixed on the rail brackets (9), line slideway slide block (3) sleeve is on line slideway (8), electric machine support (6) bolting or be welded on the line slideway slide block (3), variable-frequency motor (7) is bolted on the electric machine support (6), ball screw (4) and drilling servomotor (10) are fixed on the rail brackets (9), connect by shaft coupling (5) between the two; Main frame hydraulic pressure hold-down mechanism (104) comprises hydraulic cylinder (11), hydraulic pressure pressing element (13) and connecting rod (12), hydraulic cylinder (11) is bolted on the main stand (2), the hinged hydraulic cylinder hinged hydraulic pressure pressing elements of (11) one ends of connecting rod (12) one ends (13); Transmission servomotor (1) bolt is connected on the main stand (2), transmission servomotor (1) links to each other with the gear of drive rail (15) on being fixed on main stand (2) by chain (14), is fixed with clamping fixture support (16) on the drive rail (15).
2. according to the multi-station digital-controlled drilling of the described high accuracy super long workpiece of claim 1 center, it is characterized in that: feeding system (102) comprises that material loading welding support (21), material loading dial chain motor (22) and the quiet guide rail of material loading (23), material loading is dialled chain motor (22) bolt and is connected on the material loading welding support (21), and the quiet guide rail of material loading (23) is fixed on the material loading welding support (21).
3. according to the multi-station digital-controlled drilling of the described high accuracy super long workpiece of claim 1 center, it is characterized in that: blanking connects crossbeam (34) one ends welding blanking welding support (36), other end welding blanking line slideway support (33), bolt connects blanking line slideway (32) between two blanking welding supports (36), the quiet guide rail holder of blanking (41) is fixed on blanking with blanking servomotor (37) and is connected on the crossbeam (34), blanking servomotor (37) links to each other with blanking ball screw (38) by shaft coupling, blanking ball screw (38) other end sleeve is connected blanking at bolt and connects in the rigid bearing (43) on the crossbeam (34), the quiet guide rail of blanking (40) is fixed on the quiet guide rail holder of blanking (41), the quiet guide rail holder of blanking (41) bolting has a plurality of pneumatic cutting agencies (35), be fixed with blanking slide block (44) on the quiet guide rail of blanking (40), blanking slide block (44) is gone up bolting to be had location mobile anchor clamps (39) and wears pin retention mechanisms (31), and blanking hydraulic pressure hold-down mechanism (42) is fixed on the blanking line slideway (32).
4. according to the multi-station digital-controlled drilling of the described high accuracy super long workpiece of claim 1 center, it is characterized in that: brill, the breaking of rod, the bald brill detection and Identification systems (45) of transferring are installed on the main frame (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101376225A CN102218555B (en) | 2011-05-25 | 2011-05-25 | Multistation numerical control drilling center of high-precision super-long work piece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101376225A CN102218555B (en) | 2011-05-25 | 2011-05-25 | Multistation numerical control drilling center of high-precision super-long work piece |
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| CN102218555A true CN102218555A (en) | 2011-10-19 |
| CN102218555B CN102218555B (en) | 2012-11-14 |
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| CN2011101376225A Active CN102218555B (en) | 2011-05-25 | 2011-05-25 | Multistation numerical control drilling center of high-precision super-long work piece |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999306A (en) * | 2015-07-31 | 2015-10-28 | 安徽涌诚机械有限公司 | Fixture for finish machining of multiple holes and multiple planes of long and large casting |
| CN105673593A (en) * | 2016-03-03 | 2016-06-15 | 芜湖日升重型机床有限公司 | Two-time feeding combined machine tool power sliding platform hydraulic system |
| CN107791398A (en) * | 2017-11-13 | 2018-03-13 | 中山市创科科研技术服务有限公司 | A kind of spherical glass product perforating device |
| CN108838462A (en) * | 2018-05-28 | 2018-11-20 | 徐盼盼 | A kind of building prefabricated components C-type steel cutting equipment |
| CN112719988A (en) * | 2021-01-15 | 2021-04-30 | 珠海美宜通透气窗有限公司 | Positioning and punching equipment for processing blades |
| CN113059212A (en) * | 2021-04-03 | 2021-07-02 | 李文红 | Machining mechanism of ceiling spotlight |
| CN110260806B (en) * | 2019-06-21 | 2024-06-07 | 浙江丰立智能科技股份有限公司 | Multifunctional laser shaft diameter inspection tester |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06182460A (en) * | 1991-03-01 | 1994-07-05 | Yamaura:Kk | Machine for machining c shape steel |
| CN2239313Y (en) * | 1995-05-11 | 1996-11-06 | 大连机车车辆厂 | Multi-station combined drilling machine for middle beam of railroad vehicle |
| CN2915360Y (en) * | 2006-04-27 | 2007-06-27 | 臧日政 | Multi-position processing machine |
| CN202114293U (en) * | 2011-05-25 | 2012-01-18 | 中铁电气化局集团有限公司 | High-precision multistation numerical-control drilling center for overlength workpiece |
-
2011
- 2011-05-25 CN CN2011101376225A patent/CN102218555B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06182460A (en) * | 1991-03-01 | 1994-07-05 | Yamaura:Kk | Machine for machining c shape steel |
| CN2239313Y (en) * | 1995-05-11 | 1996-11-06 | 大连机车车辆厂 | Multi-station combined drilling machine for middle beam of railroad vehicle |
| CN2915360Y (en) * | 2006-04-27 | 2007-06-27 | 臧日政 | Multi-position processing machine |
| CN202114293U (en) * | 2011-05-25 | 2012-01-18 | 中铁电气化局集团有限公司 | High-precision multistation numerical-control drilling center for overlength workpiece |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999306A (en) * | 2015-07-31 | 2015-10-28 | 安徽涌诚机械有限公司 | Fixture for finish machining of multiple holes and multiple planes of long and large casting |
| CN104999306B (en) * | 2015-07-31 | 2017-03-29 | 安徽涌诚机械有限公司 | The many plane precision process fixtures of elongated heavy castings porous |
| CN105673593A (en) * | 2016-03-03 | 2016-06-15 | 芜湖日升重型机床有限公司 | Two-time feeding combined machine tool power sliding platform hydraulic system |
| CN107791398A (en) * | 2017-11-13 | 2018-03-13 | 中山市创科科研技术服务有限公司 | A kind of spherical glass product perforating device |
| CN108838462A (en) * | 2018-05-28 | 2018-11-20 | 徐盼盼 | A kind of building prefabricated components C-type steel cutting equipment |
| CN110260806B (en) * | 2019-06-21 | 2024-06-07 | 浙江丰立智能科技股份有限公司 | Multifunctional laser shaft diameter inspection tester |
| CN112719988A (en) * | 2021-01-15 | 2021-04-30 | 珠海美宜通透气窗有限公司 | Positioning and punching equipment for processing blades |
| CN112719988B (en) * | 2021-01-15 | 2022-06-14 | 珠海美宜通透气窗有限公司 | Positioning and punching equipment for processing blades |
| CN113059212A (en) * | 2021-04-03 | 2021-07-02 | 李文红 | Machining mechanism of ceiling spotlight |
| CN113059212B (en) * | 2021-04-03 | 2023-06-09 | 东莞永冠电子科技有限公司 | Machining mechanism of ceiling spotlight |
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| Publication number | Publication date |
|---|---|
| CN102218555B (en) | 2012-11-14 |
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Address after: 100036 Beijing City, Fengtai District Wanshou Road South Golden Village No. 1 Co-patentee after: China Iron and high - speed electrical equipment Limited by Share Ltd Patentee after: Zhongtie Electric Bureau Group Co., Ltd. Address before: 100036 Beijing City, Fengtai District Wanshou Road South Golden Village No. 1 Co-patentee before: China Railway Electrification Bureau Group Baoji Equipment Co., Ltd. Patentee before: Zhongtie Electric Bureau Group Co., Ltd. |