CN103433522B - Steel plate spring automatic drilling equipment and automatic drilling method - Google Patents
Steel plate spring automatic drilling equipment and automatic drilling method Download PDFInfo
- Publication number
- CN103433522B CN103433522B CN201310379205.0A CN201310379205A CN103433522B CN 103433522 B CN103433522 B CN 103433522B CN 201310379205 A CN201310379205 A CN 201310379205A CN 103433522 B CN103433522 B CN 103433522B
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- leaf spring
- drilling machine
- slide block
- steel leaf
- guide rail
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- 238000005553 drilling Methods 0.000 title claims abstract description 89
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 53
- 239000010959 steel Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000007599 discharging Methods 0.000 claims abstract description 25
- 238000005096 rolling process Methods 0.000 claims description 20
- 238000007790 scraping Methods 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Drilling And Boring (AREA)
Abstract
The invention discloses steel plate spring automatic drilling equipment and an automatic drilling method, and relates to the field of steel plate spring drilling. The equipment comprises a drilling machine, a clamp, a roller way support, a transverse pushing device, a feeding roller way, a discharging roller way, a transverse locating device and a longitudinal locating device. The drilling machine includes a drilling machine stand column and a drilling machine base, the drilling machine stand column is fixed on one side of the drilling machine base, the clamp is fixed on the other side of the drilling machine base, and the transverse pushing device is fixed on the lower portion of the drilling machine stand column; the clamp comprises a clamp base, and the transverse locating device is arranged on the clamp base; the roller way support stretches across above the drilling machine base, and the feeding roller way, the discharging roller way and the longitudinal locating device are arranged on the roller way support. According to the steel plate spring automatic drilling equipment and the automatic drilling method, automatic drilling of a steel plate spring can be achieved, the labor intensity of workers is relieved, the production efficiency is enhanced, the drilling quality is improved, and production safety is guaranteed.
Description
Technical field
The present invention relates to steel leaf spring boring field, particularly relate to a kind of steel leaf spring automatic drilling equipment and automatic drilling method.
Background technology
At present, manually-operated operating type is mainly taked in steel leaf spring boring, complete completely by hand, due to Manual drilling equipment and steel leaf spring workpiece part weight, and output is large, make operator's labour intensity very big, production efficiency is extremely low, but also easily there is security incident, the quality of boring is also difficult to ensure.
Summary of the invention
The object of the invention is the deficiency in order to overcome above-mentioned background technology, a kind of steel leaf spring automatic drilling equipment and automatic drilling method are provided, the automatic drilling of steel leaf spring can be realized, reduce the labour intensity of operator, enhance productivity and drilling quality, ensure production safety.
Steel leaf spring automatic drilling equipment provided by the invention and automatic drilling method, comprise drilling machine, fixture, roller-way support, horizontal material-pulling device, feeding roller table, discharging roller-way, horizontal positioning device, longitudinal positioning device, drilling machine comprises drilling machine column, drilling machine base, slide unit, main shaft and drill bit, the side of drilling machine base is fixed with drilling machine column, opposite side is fixed with fixture, it is characterized in that: the side surface upper part of described drilling machine column is fixed with slide unit, bottom is fixed with horizontal material-pulling device, slide unit comprises slide plate, the slide plate of slide unit is connected with main shaft, the lower end of main shaft is provided with drill bit, fixture comprises clamp base, and the longitudinal centre line of clamp base upper surface is provided with horizontal positioning device, roller-way support is crossed with above drilling machine base, roller-way support is provided with feeding roller table, discharging roller-way and longitudinal positioning device, feeding roller table and discharging roller-way parallel arranged, clamp base is fixed with cylinder mount pad, the first lifting guide holder and the second lifting guide holder, cylinder mount pad comprises 2 columns and 1 erecting bed, erecting bed is across the top at 2 columns, first lifting guide holder, the second lifting guide holder are all positioned at below erecting bed, the inner side of two root posts, erecting bed are fixed with the first cylinder,
Described horizontal material-pulling device comprises the pusher of three parallel arranged, and each pusher comprises second cylinder, and the top of each second cylinder is fixed with a scraping wings;
Described horizontal positioning device comprises the first servomotor, shaft coupling, the first ball wire bar pair, the first guide rail slide block pair and located lateral plate, first servomotor is connected by shaft coupling one end with the first ball wire bar pair, the other end of the first ball wire bar pair is fixed with the first guide rail slide block pair, first guide rail slide block pair comprises the first guide rail and the first slide block, the first slide block is fixed with located lateral plate;
Described longitudinal positioning device comprises the second servomotor, first rolling bearing units, second guide rail slide block is secondary, locating support and the second ball wire bar pair, roller-way support is provided with the second servomotor, first rolling bearing units, second rolling bearing units, second guide rail slide block is secondary and the 3rd guide rail slide block is secondary, second servomotor is connected with the first rolling bearing units, second ball wire bar pair comprises feed screw nut and ball screw, the two ends of ball screw are each passed through the first rolling bearing units, second rolling bearing units, second guide rail slide block pair comprises the second guide rail and the second slide block, 3rd guide rail slide block pair comprises the 3rd guide rail and the 3rd slide block, second guide rail and the 3rd guide rail are all fixed on roller-way support, locating support is fixed on the second slide block, on 3rd slide block, the side of locating support is parallel is provided with stationary positioned baffle plate and supporting plate, stationary positioned baffle plate is positioned at directly over feeding roller table, supporting plate is positioned at directly over discharging roller-way, the side of supporting plate is provided with lifting positioning baffle, locating support is also provided with the 3rd cylinder, the piston rod of the 3rd cylinder is fixedly connected with lifting positioning baffle.
On the basis of technique scheme, described fixture also comprises drill jig, in the center line of drill jig and drilling machine, the center line of drill bit point-blank, drill jig comprises 2 fairleads, 2 fairleads are enclosed within the first lifting guide holder, the second lifting guide holder respectively, the top of drill jig is fixedly connected with the piston rod of the first cylinder, and the bottom of drill jig is fixed with pressure strip, and the bottom of pressure strip is fixed with briquetting.
On the basis of technique scheme, described briquetting takes the shape of the letter U.
On the basis of technique scheme, all high than the feeding roller table 2 ~ 5mm in bottom of three scraping wings in described horizontal material-pulling device.
On the basis of technique scheme, all high than the feeding roller table 3 ~ 4mm in bottom of three scraping wings in described horizontal material-pulling device.
On the basis of technique scheme, the bottom of three scraping wings in described horizontal material-pulling device is all than feeding roller table height 3.5mm.
On the basis of technique scheme, described located lateral plate place plane 2 ~ 5mm higher than discharging roller-way.
On the basis of technique scheme, described located lateral plate place plane 3 ~ 4mm higher than discharging roller-way.
On the basis of technique scheme, described located lateral plate place plane is than discharging roller-way height 3.5mm.
The present invention also provides a kind of steel leaf spring automatic drilling method based on above-mentioned steel leaf spring automatic drilling equipment, comprises the following steps:
S1, steel leaf spring workpiece is placed into the feed side of feeding roller table, the direction of steel leaf spring workpiece to drilling machine is carried by feeding roller table, is transported to the location, stationary positioned baffle plate place of longitudinal positioning device;
The second cylinder in three pushers in S2, horizontal material-pulling device is pneumatic, and steel leaf spring workpiece is pushed to the location, located lateral baffle plate 7e place of horizontal positioning device by three scraping wings;
In S3, horizontal material-pulling device both sides pusher in the second cylinder regain, the second cylinder in middle pusher keeps compressing; The first cylinder in fixture presses down, and compresses steel leaf spring workpiece, the descending boring of main shaft of drilling machine;
After S4, boring, the main shaft of drilling machine is up, leave steel leaf spring workpiece, fixture is up, the second cylinder in the pusher of the centre of horizontal material-pulling device is regained, decontrol steel leaf spring workpiece, the lifting positioning baffle of longitudinal positioning device is up, and the complete steel leaf spring workpiece of boring is sent by discharging roller-way.
Compared with prior art, advantage of the present invention is as follows:
The present invention can realize the automatic drilling of steel leaf spring, reduces the labour intensity of operator, enhances productivity and drilling quality, ensures production safety.
Accompanying drawing explanation
Fig. 1 is the side view of embodiment of the present invention light plate spring automatic drilling equipment;
Fig. 2 is the top view of embodiment of the present invention light plate spring automatic drilling equipment;
Fig. 3 is the structural representation of fixture in the embodiment of the present invention;
Fig. 4 is the structural representation of horizontal positioning device in the embodiment of the present invention;
Fig. 5 is the structural representation of longitudinal positioning device in the embodiment of the present invention.
Reference numeral: 1-drilling machine, 2-fixture, 3-roller-way support, 4-horizontal material-pulling device, 5-feeding roller table, 6-discharging roller-way, 7-horizontal positioning device, 8-longitudinal positioning device, 1a-drilling machine column, 1b-drilling machine base, 1c-slide unit, 1d-main shaft, 1e-drill bit, 2a-the first cylinder, 2b-cylinder mount pad, 2c-pressure strip, 2d-the first is elevated guide holder, 2e-clamp base, 2f-the second is elevated guide holder, 2g-drill jig, 2h-briquetting, 4a-the second cylinder, 4b-scraping wings, 7a-the first servomotor, 7b-shaft coupling, 7c-the first ball wire bar pair, 7d-the first guide rail slide block is secondary, 7e-located lateral plate, 8a-the second servomotor, 8b-the first rolling bearing units, 8c-the second guide rail slide block is secondary, 8d-locating support, 8e-supporting plate, 8f-lifting positioning baffle, 8g-the second ball wire bar pair, 8h-the second rolling bearing units, 8i-the 3rd guide rail slide block is secondary, 8j-the 3rd cylinder, 8k-stationary positioned baffle plate.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
See Fig. 1, shown in Fig. 2, the embodiment of the present invention provides a kind of steel leaf spring automatic drilling equipment, comprise drilling machine 1, fixture 2, roller-way support 3, horizontal material-pulling device 4, feeding roller table 5, discharging roller-way 6, horizontal positioning device 7, longitudinal positioning device 8, drilling machine 1 comprises drilling machine column 1a, drilling machine base 1b, slide unit 1c, main shaft 1d and drill bit 1e, the side of drilling machine base 1b is fixed with drilling machine column 1a, opposite side is fixed with fixture 2, the side surface upper part of drilling machine column 1a is fixed with slide unit 1c, bottom is fixed with horizontal material-pulling device 4, slide unit 1c comprises slide plate, the slide plate of slide unit 1c is connected with main shaft 1d, the lower end of main shaft 1d is provided with drill bit 1e, fixture 2 comprises clamp base 2e, the longitudinal centre line of clamp base 2e upper surface is provided with horizontal positioning device 7, be crossed with roller-way support 3 above drilling machine base 1b, roller-way support 3 be provided with feeding roller table 5, discharging roller-way 6 and longitudinal positioning device 8, feeding roller table 5 and discharging roller-way 6 parallel arranged.
Shown in Figure 3, clamp base 2e is fixed with cylinder mount pad 2b, the first lifting guide holder 2d and second lifting guide holder 2f, cylinder mount pad 2b comprises 2 columns and 1 erecting bed, erecting bed is across the top at 2 columns, first lifting guide holder 2d, the second lifting guide holder 2f are all positioned at below erecting bed, the survey of two root posts, erecting bed are fixed with the first cylinder 2a; Fixture 2 also comprises drill jig 2g, in the center line of drill jig 2g and drilling machine 1, the center line of drill bit 1e point-blank, drill jig 2g comprises 2 fairleads, 2 fairleads are enclosed within the first lifting guide holder 2d, the second lifting guide holder 2f respectively, the top of drill jig 2g is fixedly connected with the piston rod of the first cylinder 2a, the bottom of drill jig 2g is fixed with pressure strip 2c, and the bottom of pressure strip 2c is fixed with the briquetting 2h of U-shaped.
Shown in Figure 2, horizontal material-pulling device 4 comprises the pusher of three parallel arranged, and each pusher comprises a second cylinder 4a, and the top of each second cylinder 4a is fixed with a scraping wings 4b.All high than the feeding roller table 52 ~ 5mm in bottom of three scraping wings 4b, such as: 3mm, 3.5mm, 4mm.
Shown in Figure 4, horizontal positioning device 7 comprises the first servomotor 7a, shaft coupling 7b, the first ball wire bar pair 7c, the first guide rail slide block secondary 7d and located lateral plate 7e, first servomotor 7a is connected with one end of the first ball wire bar pair 7c by shaft coupling 7b, the other end of the first ball wire bar pair 7c is fixed with the first guide rail slide block secondary 7d, first guide rail slide block secondary 7d comprises the first guide rail and the first slide block, first slide block is fixed with located lateral plate 7e, located lateral plate 7e place plane 2 ~ 5mm higher than discharging roller-way 6, such as: 3mm, 3.5mm, 4mm.
Shown in Figure 5, longitudinal positioning device 8 comprises the second servomotor 8a, first rolling bearing units 8b, second guide rail slide block secondary 8c, locating support 8d and the second ball wire bar pair 8g, roller-way support 3 is provided with the second servomotor 8a, first rolling bearing units 8b, second rolling bearing units 8h, second guide rail slide block secondary 8c and the 3rd guide rail slide block secondary 8i, second servomotor 8a is connected with the first rolling bearing units 8b, second ball wire bar pair 8g comprises feed screw nut and ball screw, the two ends of ball screw are each passed through the first rolling bearing units 8b, second rolling bearing units 8h, second guide rail slide block secondary 8c comprises the second guide rail and the second slide block, 3rd guide rail slide block secondary 8i comprises the 3rd guide rail and the 3rd slide block, second guide rail and the 3rd guide rail are all fixed on roller-way support 3, locating support 8d is fixed on the second slide block, on 3rd slide block, the side of locating support 8d is parallel is provided with stationary positioned baffle plate 8k and supporting plate 8e, stationary positioned baffle plate 8k is positioned at directly over feeding roller table 5, supporting plate 8e is positioned at directly over discharging roller-way 6, the side of supporting plate 8e is provided with lifting positioning baffle 8f, locating support 8c is also provided with the 3rd cylinder 8j, the piston rod of the 3rd cylinder 8j is fixedly connected with lifting positioning baffle 8f.
The operation principle of longitudinal positioning device 8 is as follows:
Stationary positioned baffle plate 8k is highly fixing, as just locating use, lifting positioning baffle 8f liftable folding under the driving of the 3rd cylinder 8j, during workpiece conveying, lifting positioning baffle 8f declines, workpiece is positioned, after machining, the 3rd cylinder 8j drives lifting positioning baffle 8f to rise, and material passes through from the bottom of lifting positioning baffle 8f; Locating support 8d in longitudinal positioning device 8 is driven by the second servomotor 8a and ball screw assembly, 8g, jointly led by the second guide rail slide block secondary 8c and the 3rd guide rail slide block secondary 8i, stationary positioned baffle plate 8k all can adjust according to the length of steel leaf spring workpiece with the longitudinal register benchmark of lifting positioning baffle 8f, and then can realize the centre-drilling hole of different size steel leaf spring workpiece.
The embodiment of the present invention also provides a kind of steel leaf spring automatic drilling method based on above-mentioned steel leaf spring automatic drilling equipment, comprises the following steps:
S1, steel leaf spring workpiece is placed into the feed side of feeding roller table 5, the direction of steel leaf spring workpiece to drilling machine 1 is carried by feeding roller table 5, is transported to the location, stationary positioned baffle plate 8k place of longitudinal positioning device 8;
The second cylinder 4a in three pushers in S2, horizontal material-pulling device 4 is pneumatic, and steel leaf spring workpiece is pushed to the location, located lateral baffle plate 7e place of horizontal positioning device 7 by three scraping wings 4b;
In S3, horizontal material-pulling device 4 both sides pusher in the second cylinder 4a regain, the second cylinder 4a in middle pusher keeps compressing; The first cylinder 2a in fixture 2 presses down, and compresses steel leaf spring workpiece, the descending boring of main shaft 1d of drilling machine 1;
After S4, boring, the main shaft 1d of drilling machine 1 is up, leave steel leaf spring workpiece, fixture 2 is up, the second cylinder 4a in the pusher of the centre of horizontal material-pulling device 4 regains, decontrol steel leaf spring workpiece, the lifting positioning baffle 8f of longitudinal positioning device 8 is up, and the complete steel leaf spring workpiece of boring is sent by discharging roller-way 6.
Those skilled in the art can carry out various modifications and variations to the embodiment of the present invention, if these amendments and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then these revise and modification also within protection scope of the present invention.
The prior art that the content do not described in detail in description is known to the skilled person.
Claims (10)
1. a steel leaf spring automatic drilling equipment, comprise drilling machine (1), fixture (2), roller-way support (3), horizontal material-pulling device (4), feeding roller table (5), discharging roller-way (6), horizontal positioning device (7), longitudinal positioning device (8), drilling machine (1) comprises drilling machine column (1a), drilling machine base (1b), slide unit (1c), main shaft (1d) and drill bit (1e), the side of drilling machine base (1b) is fixed with drilling machine column (1a), opposite side is fixed with fixture (2), it is characterized in that: the side surface upper part of described drilling machine column (1a) is fixed with slide unit (1c), bottom is fixed with horizontal material-pulling device (4), slide unit (1c) comprises slide plate, the slide plate of slide unit (1c) is connected with main shaft (1d), the lower end of main shaft (1d) is provided with drill bit (1e), fixture (2) comprises clamp base (2e), the longitudinal centre line of clamp base (2e) upper surface is provided with horizontal positioning device (7), drilling machine base (1b) top is crossed with roller-way support (3), roller-way support (3) is provided with feeding roller table (5), discharging roller-way (6) and longitudinal positioning device (8), feeding roller table (5) and discharging roller-way (6) parallel arranged, clamp base (2e) is fixed with cylinder mount pad (2b), first lifting guide holder (2d) and the second lifting guide holder (2f), cylinder mount pad (2b) comprises 2 columns and 1 erecting bed, erecting bed is across the top at 2 columns, first lifting guide holder (2d), second lifting guide holder (2f) is all positioned at below erecting bed, the inner side of two root posts, erecting bed is fixed with the first cylinder (2a),
Described horizontal material-pulling device (4) comprises the pusher of three parallel arranged, and each pusher comprises second cylinder (4a), and the top of each second cylinder (4a) is fixed with a scraping wings (4b);
Described horizontal positioning device (7) comprises the first servomotor (7a), shaft coupling (7b), the first ball wire bar pair (7c), the first guide rail slide block pair (7d) and located lateral plate (7e), first servomotor (7a) is connected by shaft coupling (7b) one end with the first ball wire bar pair (7c), the other end of the first ball wire bar pair (7c) is fixed with the first guide rail slide block pair (7d), first guide rail slide block pair (7d) comprises the first guide rail and the first slide block, the first slide block is fixed with located lateral plate (7e);
Described longitudinal positioning device (8) comprises the second servomotor (8a), first rolling bearing units (8b), second guide rail slide block pair (8c), locating support (8d) and the second ball wire bar pair (8g), roller-way support (3) is provided with the second servomotor (8a), first rolling bearing units (8b), second rolling bearing units (8h), second guide rail slide block pair (8c) and the 3rd guide rail slide block pair (8i), second servomotor (8a) is connected with the first rolling bearing units (8b), second ball wire bar pair (8g) comprises feed screw nut and ball screw, the two ends of ball screw are each passed through the first rolling bearing units (8b), second rolling bearing units (8h), second guide rail slide block pair (8c) comprises the second guide rail and the second slide block, 3rd guide rail slide block pair (8i) comprises the 3rd guide rail and the 3rd slide block, second guide rail and the 3rd guide rail are all fixed on roller-way support (3), locating support (8d) is fixed on the second slide block, on 3rd slide block, the side of locating support (8d) is parallel is provided with stationary positioned baffle plate (8k) and supporting plate (8e), stationary positioned baffle plate (8k) is positioned at directly over feeding roller table (5), supporting plate (8e) is positioned at directly over discharging roller-way (6), the side of supporting plate (8e) is provided with lifting positioning baffle (8f), locating support (8d) is also provided with the 3rd cylinder (8j), the piston rod of the 3rd cylinder (8j) is fixedly connected with lifting positioning baffle (8f).
2. steel leaf spring automatic drilling equipment as claimed in claim 1, it is characterized in that: described fixture (2) also comprises drill jig (2g), the center line of the center line of drill jig (2g) and the middle drill bit (1e) of drilling machine (1) point-blank, drill jig (2g) comprises 2 fairleads, 2 fairleads are enclosed within the first lifting guide holder (2d) respectively, in second lifting guide holder (2f), the top of drill jig (2g) is fixedly connected with the piston rod of the first cylinder (2a), the bottom of drill jig (2g) is fixed with pressure strip (2c), the bottom of pressure strip (2c) is fixed with briquetting (2h).
3. steel leaf spring automatic drilling equipment as claimed in claim 2, is characterized in that: described briquetting (2h) takes the shape of the letter U.
4. steel leaf spring automatic drilling equipment as claimed in claim 1, is characterized in that: all high than feeding roller table (5) 2 ~ 5mm in bottom of three scraping wings (4b) in described horizontal material-pulling device (4).
5. steel leaf spring automatic drilling equipment as claimed in claim 4, is characterized in that: all high than feeding roller table (5) 3 ~ 4mm in bottom of three scraping wings (4b) in described horizontal material-pulling device (4).
6. steel leaf spring automatic drilling equipment as claimed in claim 5, is characterized in that: all high than feeding roller table (5) 3.5mm in bottom of three scraping wings (4b) in described horizontal material-pulling device (4).
7. steel leaf spring automatic drilling equipment as claimed in claim 1, is characterized in that: described located lateral plate (7e) place plane 2 ~ 5mm higher than discharging roller-way (6).
8. steel leaf spring automatic drilling equipment as claimed in claim 7, is characterized in that: described located lateral plate (7e) place plane 3 ~ 4mm higher than discharging roller-way (6).
9. steel leaf spring automatic drilling equipment as claimed in claim 8, is characterized in that: described located lateral plate (7e) place plane 3.5mm higher than discharging roller-way (6).
10., based on a steel leaf spring automatic drilling method for steel leaf spring automatic drilling equipment according to any one of claim 1 to 9, it is characterized in that, comprise the following steps:
S1, steel leaf spring workpiece is placed into the feed side of feeding roller table (5), the direction of steel leaf spring workpiece to drilling machine (1) is carried by feeding roller table (5), is transported to the location, stationary positioned baffle plate (8k) place of longitudinal positioning device (8);
The second cylinder (4a) in three pushers in S2, horizontal material-pulling device (4) is pneumatic, and steel leaf spring workpiece is pushed to the location, located lateral baffle plate 7e place of horizontal positioning device (7) by three scraping wings (4b);
The second cylinder (4a) in the pusher of the middle both sides of S3, horizontal material-pulling device (4) is regained, and the second cylinder (4a) in middle pusher keeps compressing; The first cylinder (2a) in fixture (2) presses down, and compresses steel leaf spring workpiece, main shaft (1d) the descending boring of drilling machine (1);
After S4, boring, the main shaft (1d) of drilling machine (1) is up, leave steel leaf spring workpiece, fixture (2) is up, the second cylinder (4a) in the pusher of the centre of horizontal material-pulling device (4) is regained, decontrol steel leaf spring workpiece, the lifting positioning baffle (8f) of longitudinal positioning device (8) is up, and the complete steel leaf spring workpiece of boring is sent by discharging roller-way (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310379205.0A CN103433522B (en) | 2013-08-27 | 2013-08-27 | Steel plate spring automatic drilling equipment and automatic drilling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310379205.0A CN103433522B (en) | 2013-08-27 | 2013-08-27 | Steel plate spring automatic drilling equipment and automatic drilling method |
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| Publication Number | Publication Date |
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| CN103433522A CN103433522A (en) | 2013-12-11 |
| CN103433522B true CN103433522B (en) | 2015-07-15 |
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| CN201310379205.0A Expired - Fee Related CN103433522B (en) | 2013-08-27 | 2013-08-27 | Steel plate spring automatic drilling equipment and automatic drilling method |
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| CN103433522A (en) | 2013-12-11 |
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Address after: 430070 815 factory building of flame steel market, Hongshan District, Wuhan, Hubei Patentee after: WUHAN LIAO AUTOMATION Co.,Ltd. Address before: 430070, Hubei, Wuhan province Hongshan District flame steel market Industrial Park No. 815 Patentee before: WUHAN FENGJIN ELECTROMECHANICAL Co.,Ltd. |
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