CN102950187B - Novel multi-station automatic stretching punching machine - Google Patents
Novel multi-station automatic stretching punching machine Download PDFInfo
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- CN102950187B CN102950187B CN201210533958.8A CN201210533958A CN102950187B CN 102950187 B CN102950187 B CN 102950187B CN 201210533958 A CN201210533958 A CN 201210533958A CN 102950187 B CN102950187 B CN 102950187B
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Abstract
The invention discloses a stretching punching machine, in particular to a novel multi-station automatic stretching punching machine, which comprises the multi-station punching machine, a stretching module, an ejector system, a pneumatic feeder and a transmission system, wherein a stripper plate is arranged between a stretching die and a stretching punch; a stripper disc is arranged on the stripper plate; a pair of square rods is movably connected onto a lower working table of the multi-station punching machine and is located between the stripper plate and the stretching die; elastic rings are respectively bound to two ends of the square rods; the transmission system is matched with cams of the square rods; a manipulator is fixed on each square rod; manipulators on the two square rods are mutually symmetrical and correspond to the stripper plate one by one; a building block is arranged on an upper working table of the multi-station punching machine; and the building block and the two square rods form a shape of a Chinese character 'pin'. The technical defects that a material returning system and a transmission system for driving the material returning system and a clamping mechanism of a manipulator to work of the existing multi-station automatic stretching punching machine are complicated and have poor work stability are overcome. The stretching punching machine has good work stability.
Description
Technical field
The present invention relates to a kind of drawing punch, particularly a kind of novel multi-station automatic drawing punch.
Background technology
Technical process at existing traditional processing drawn products: first according to the requirement of drawn products, determine to process the stretching process of drawn products and manufacture and design the mould of this drawn products, every procedure needs one set of die, from the superficial to the deep, and be arranged on common punch press successively, successively punching press just completes, and every procedure of above-mentioned process is all completed by manual operations.Such as: certain drawn products needs stretching eight ability plastic, in the process of this drawn products, must design eight cover processing molds, and every mold just can complete every procedure at different punch presses respectively.In the process of above-mentioned drawn products, because the operation of processing this drawn products is many, mould is many, makes its processed complex.Because taking equipment, operating personnel are many, and make its processing cost high, machining accuracy is low.Because above-mentioned operation many parts need manual operation, make the efficiency of production low, poor stability, poor product quality.
Application number is 200710074161.5, publication number is that the Chinese invention patent of CN 101293263A discloses a kind of multi-station automatic drawing punch device, its rear at drawing die and draw punch are provided with material returning system, between stretching die and material returning sleeve, be provided with manipulator, described manipulator comprises manipulator folder, holds mechanism.It well solves because operation is many in traditional drawn products production process, and mould makes processed complex more; Because taking equipment, operating personnel are many, the technology drawbacks such as the efficiency that it is produced is low, poor stability, poor product quality.
But multi-station automatic drawing punch device disclosed in above-mentioned Chinese invention patent, it still comes with some shortcomings: first the transmission system of its material returning system and driving material returning system and manipulator clamping institution staff is more loaded down with trivial details, poor work stability; Secondly above-mentioned multi-station automatic drawing punch device can not carry out necking down process process to drawn products.
Summary of the invention
The object of the invention is to provide one can promote job stability to solve above-mentioned the deficiencies in the prior art, and drawing process process can be carried out, the novel multi-station automatic drawing punch of necking down process process can be carried out again.
To achieve these goals, novel multi-station automatic drawing punch designed by the present invention, comprise multi-station punch, be installed on the draw punch on the upper table of multi-station punch, be installed on the stretching die on the lower table of multi-station punch, be installed on the liftout system of stretching die bottom, the described liftout system being installed on stretching die bottom refers to that described lower table is provided with the first through hole, described first through hole is corresponding with stretching die, and both are mutually through, in the first through hole, plug is connected to jumping core, spring is combined with in the outer end of jumping core, the other end of described spring is crimped with pressing plate, Pneumatic feeder on front side of the lower table being installed on multi-station punch and be installed on the transmission system of side of multi-station punch, described transmission system refers to that output has final drive shaft in the upper end of multi-station punch, the first steering gear is fixed with in the sidewall upper of multi-station punch, be in transmission connection between final drive shaft and the first steering gear, first steering gear lower end is provided with Hooks coupling universal coupling, Hooks coupling universal coupling upper driving is connected with the first turning cylinder, the other end of described first turning cylinder is connected with cam box assembly, described cam box assembly and described a pair square rod between stripper plate and stretching die are in transmission connection, stripper plate is provided with between stretching die and draw punch, described stripper plate is fixed on the side plate of lower table, stripper plate is provided with the de-charging tray identical with the quantity of stretching die with draw punch, described draw punch runs through de-charging tray and coordinates with stretching die, the lower table of multi-station punch is connected with a pair square rod, this to square rod between stripper plate and stretching die, and its both ends are all tied and are connected to elastic ring, transmission system and this is to square rod cam engagement, every bar square rod is fixed with the manipulator identical with the quantity of stretching die with draw punch, article two, the manipulator on square rod is symmetrical, and it is corresponding one by one with de-charging tray, the upper table of multi-station punch is provided with building block, described building block is arranged towards square rod, and be product shape with two square rods.
The job stability of novel multi-station automatic drawing punch provided by the invention is high, and maintenance is convenient.
As preferably, the present invention includes multi-station punch, be installed on the draw punch on the upper table of multi-station punch and reducing drift, described draw punch and reducing drift are word order shape, be installed on the stretching die on the lower table of multi-station punch and reducing die, described stretching die is identical with draw punch quantity and corresponding, described reducing die is identical and corresponding with reducing drift quantity, described stretching die is same with reducing die in word order shape, be installed on the liftout system of lower table bottom, described liftout system is respectively to strain stretch die and reducing die, describedly be installed on lower table bottom, and the liftout system corresponding with reducing die refers to be provided with the second through hole on lower table, described second through hole is corresponding with reducing die, and both are mutually through, in the second through hole, plug is connected to jumping core, ejector beam is connected with in the outer end of jumping core, the other end of described ejector beam and transmission system cam engagement, Pneumatic feeder on front side of the lower table being installed on multi-station punch and be installed on the transmission system of side of multi-station punch, described transmission system refers to that output has final drive shaft in the upper end of multi-station punch, the first steering gear is fixed with in the sidewall upper of multi-station punch, be in transmission connection between final drive shaft and the first steering gear, first steering gear lower end is provided with Hooks coupling universal coupling, Hooks coupling universal coupling upper driving is connected with the first turning cylinder, the other end of described first turning cylinder is connected with cam box assembly, described cam box assembly and described a pair square rod between stripper plate and stretching die are in transmission connection, the second turning cylinder is provided with in the lower end of cam box assembly, the other end of described second turning cylinder is connected with the second steering gear, second steering gear is provided with output shaft, output shaft is socketed with and ejects cam and coordinate with ejector beam, stripper plate is provided with between stretching die and draw punch, described stripper plate is fixed on the side plate of lower table, stripper plate is provided with de-charging tray, described draw punch runs through corresponding de-charging tray and coordinates with to strain stretch die, the lower table of multi-station punch is connected with a pair square rod, this to square rod between stripper plate and stretching die, and its both ends are all tied and are connected to elastic ring, transmission system is connected square rod with this, every bar square rod is fixed with manipulator, article two, the manipulator on square rod is symmetrical, and it is corresponding with de-charging tray, the upper table of multi-station punch is provided with building block, described building block is arranged towards square rod, and be product shape with two square rods.This preferred version is optimum implementation of the present invention, and it makes the present invention to carry out drawing process process, can carry out necking down process process again.
Conveniently the working trajectory of the upper table of alignment multi-station punch, is provided with guidance set between upper table and lower table described in the present invention.
The novel multi-station automatic drawing punch that the present invention obtains, it utilizes de-charging tray by drawn products under draw punch gear, a pair square rod is utilized to realize clamping to drive symmetrically arranged manipulator or unclamp, thus realize the transposition of drawn products in the station of front and back, to compare the material returning system of existing multi-station automatic drawing punch device and manipulator clamping structure, structure of the present invention is simple, good operating stability; The present invention simultaneously can realize drawing process and necking down process on a table apparatus, and make for drawn products, its processing technology is simpler; For enterprise, it can cut down finished cost, and promotes machining accuracy; Make the production efficiency of enterprise and product quality better, the processing safety of enterprise staff is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is that in embodiment 1, upper table down moves, and building block enters the view between two square rods;
Fig. 3 is that in embodiment 1, upper table up moves, the view that building block and two square rods depart from;
Fig. 4 is the structural representation of embodiment 2;
Fig. 5 is the structural representation of embodiment 3;
Fig. 6 is the structural representation of embodiment 4;
Fig. 7 is the structural representation of embodiment 5;
Fig. 8 is the structural representation of embodiment 6;
Fig. 9 is the structural representation of embodiment 7.
In figure: multi-station punch 1, upper table 1-1, lower table 1-2, first through hole 1-3, second through hole 1-4, draw punch 2, reducing drift 2-1, stretching die 3, reducing die 3-1, stripper plate 4, de-charging tray 5, square rod 6, elastic ring 7, manipulator 8, building block 9, final drive shaft 10, first steering gear 11, first turning cylinder 12, cam box assembly 13, second turning cylinder 14, second steering gear 15, output shaft 16, eject cam 17, Hooks coupling universal coupling 18, jump core 19, ejector beam 20, spring 21, pressing plate 22, guidance set 23, transmission system 24, liftout system 25, Pneumatic feeder 26.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
Embodiment 1:
As shown in Figure 1, the novel multi-station automatic drawing punch that the present embodiment provides, comprise multi-station punch 1, be installed on the draw punch 2 on the upper table 1-1 of multi-station punch 1, be installed on the stretching die 3 on the lower table 1-2 of multi-station punch 1, be installed on the liftout system 25 of stretching die 3 bottom, Pneumatic feeder 26 on front side of the lower table 1-2 being installed on multi-station punch 1 and be installed on the transmission system 24 of side of multi-station punch 1, stripper plate 4 is provided with between stretching die 3 and draw punch 2, described stripper plate 4 is fixed on the side plate of lower table 1-2, stripper plate 4 is provided with the de-charging tray 5 identical with the quantity of stretching die 3 with draw punch 2, described draw punch 2 runs through de-charging tray 5 and coordinates with stretching die 3, the lower table 1-2 of multi-station punch 1 is connected with a pair square rod 6, this to square rod 6 between stripper plate 4 and stretching die 3, and its both ends are all tied and are connected to elastic ring 7, transmission system 24 with this to square rod 6 cam engagement, every bar square rod 6 is fixed with the manipulator 8 identical with the quantity of stretching die 3 with draw punch 2, article two, the manipulator 8 on square rod 6 is symmetrical, and it is corresponding one by one with de-charging tray 5, the upper table 1-1 of multi-station punch 1 is provided with building block 9, described building block 9 is arranged towards square rod 6, and with two square rods 6 in product shape.
The processing method of the novel multi-station automatic drawing punch that the present embodiment provides, its concrete process is: coiled strip is first delivered to by Pneumatic feeder 26 in first station of drawing die and carried out blanking or Blanking by the first step, then drives a pair left and right motion of square rod 6 by transmission system 24; Simultaneously a pair square rod 6 realizes folding under the effect of elastic ring 7 and building block 9, as described in Figure 2, when upper table 1-1 moves downward, building block 9 on upper table 1-1 enters between two square rods 6, and symmetrical manipulator 8 is open-shaped, as described in Figure 3, when upper table 1-1 moves upward, building block 9 on upper table 1-1 departs from two square rods 6, and symmetrical manipulator 8 is in closing up shape under the effect of elastic ring 7, and manipulator 8 clamps raw material or semi-finished product are carried out feeding by square rod 6 drive;
Second step multiple site punching is shaping: raw material or semi-finished product are transported on the second station of drawing die by manipulator 8, raw material or semi-finished product are pulled into drawing and forming in stretching die 3 by draw punch 2, rely on the spring 21 in liftout system 25 or cylinder that product is made stretching die 3 when the upper table 1-1 of multi-station punch 1 rises, the upper table 1-1 of multi-station punch 1 continues to rise, semi-finished product push from draw punch 2 by de-charging tray 5, semi-finished product are clamped in the mould of feeding lower road station, until strike out finished product by manipulator 8.
Embodiment 2:
As described in Figure 4, the novel multi-station automatic drawing punch that the present embodiment provides, its general structure is consistent with embodiment 1, but in order to simplify the liftout system of the present embodiment, promote its job stability, liftout system 25 described in the present embodiment refers to: described lower table 1-2 is provided with the first through hole 1-3, described first through hole 1-3 is corresponding with stretching die 3, and both are mutually through, in the first through hole 1-3, plug is connected to and jumps core 19, be combined with spring 21 in the outer end of jumping core 19, the other end of described spring 21 is crimped with pressing plate 22.
Embodiment 3:
As described in Figure 5, the novel multi-station automatic drawing punch that the present embodiment provides, its general structure is consistent with embodiment 2, but in order to simplify the transmission system 24 of the present embodiment, promote its job stability, transmission system 24 described in the present embodiment refers to: exporting in the upper end of multi-station punch 1 has final drive shaft 10, the first steering gear 11 is fixed with in the sidewall upper of multi-station punch 1, be in transmission connection between final drive shaft 10 and the first steering gear 11, first steering gear 11 lower end is provided with Hooks coupling universal coupling 18, Hooks coupling universal coupling 18 upper driving is connected with the first turning cylinder 12, the other end of described first turning cylinder 12 is connected with cam box assembly 13, described cam box assembly 13 and described a pair square rod 6 between stripper plate 4 and stretching die 3 are in transmission connection.
Embodiment 4:
As described in Figure 6, the novel multi-station automatic drawing punch that the present embodiment provides, comprise multi-station punch 1, be installed on five draw punchs 2 on the upper table 1-1 of multi-station punch 1 and a reducing drift 2-1, described five draw punchs 2 and a reducing drift 2-1 are word order shape, be installed on five the stretching dies 3 on the lower table 1-2 of multi-station punch 1 and a reducing die 3-1, described five stretching dies 3 are corresponding respectively with five draw punchs 2, a described reducing die 3-1 is corresponding with a reducing drift 2-1, described stretching die 3 is same with reducing die 3-1 in word order shape, be installed on the liftout system 25 of lower table 1-2 bottom, described liftout system 25 is respectively to strain stretch die 3 and reducing die 3-1, Pneumatic feeder 26 on front side of the lower table 1-2 being installed on multi-station punch 1 and be installed on the transmission system 24 of side of multi-station punch 1, stripper plate 4 is provided with between stretching die 3 and draw punch 2, described stripper plate 4 is fixed on the side plate of lower table 1-2, stripper plate 4 is provided with de-charging tray 5, described five draw punchs 2 run through corresponding de-charging tray 5 and coordinate with to strain stretch die 3, the lower table 1-2 of multi-station punch 1 is connected with a pair square rod 6, this to square rod 6 between stripper plate 4 and stretching die 3, and its both ends are all tied and are connected to elastic ring 7, transmission system 24 is connected square rod 6 with this, every bar square rod 6 is fixed with manipulator 8, article two, the manipulator 8 on square rod 6 is symmetrical, and it is corresponding with de-charging tray 5, the upper table 1-1 of multi-station punch 1 is provided with building block 9, described building block 9 is arranged towards square rod 6, and with two square rods 6 in product shape.
Embodiment 5:
As described in Figure 7, the novel multi-station automatic drawing punch that the present embodiment provides, its general structure is consistent with embodiment 4, but carry out the product stretching quality after necking down process to be hoisted through the present embodiment, lower table 1-2 bottom is installed on described in the present embodiment, and the liftout system 25 corresponding with reducing die 3-1 refers to: be provided with the second through hole 1-4 on lower table 1-2, described second through hole 1-4 is corresponding with reducing die 3-1, and both are mutually through, in the second through hole 1-4, plug is connected to and jumps core 19, ejector beam 20 is connected with in the outer end of jumping core 19, the other end of described ejector beam 20 and transmission system 24 cam engagement.
Embodiment 6:
As described in Figure 8, the novel multi-station automatic drawing punch that the present embodiment provides, its general structure is consistent with embodiment 5, but conveniently ejector beam 20 is transmitted system 24 and drives, transmission system 24 described in the present embodiment refers to: exporting in the upper end of multi-station punch 1 has final drive shaft 10, the first steering gear 11 is fixed with in the sidewall upper of multi-station punch 1, be in transmission connection between final drive shaft 10 and the first steering gear 11, first steering gear 11 lower end is provided with Hooks coupling universal coupling 18, Hooks coupling universal coupling 18 upper driving is connected with the first turning cylinder 12, the other end of described first turning cylinder 12 is connected with cam box assembly 13, described cam box assembly 13 and described a pair square rod 6 between stripper plate 4 and stretching die 3 are in transmission connection, the second turning cylinder 14 is provided with in the lower end of cam box assembly 13, the other end of described second turning cylinder 14 is connected with the second steering gear 15, second steering gear 15 is provided with output shaft 16, output shaft 16 is socketed with and ejects cam 17 and coordinate with ejector beam 20.
Embodiment 7:
As described in Figure 9, the novel multi-station automatic drawing punch that the present embodiment provides, its general structure is consistent with embodiment 1, but conveniently the working trajectory of the upper table 1-1 of alignment multi-station punch 1, is provided with guidance set 23 between the 1-1 of upper table described in the present embodiment and lower table 1-2.
Claims (8)
1. a novel multi-station automatic drawing punch, comprise multi-station punch (1), be installed on the draw punch (2) on the upper table (1-1) of multi-station punch (1), be installed on the stretching die (3) on the lower table (1-2) of multi-station punch (1), be installed on the liftout system (25) of stretching die (3) bottom, the transmission system (24) of the Pneumatic feeder (26) being installed on lower table (1-2) front side of multi-station punch (1) and the side being installed on multi-station punch (1), it is characterized in that: between stretching die (3) and draw punch (2), be provided with stripper plate (4), described stripper plate (4) is fixed on the side plate of lower table (1-2), stripper plate (4) is provided with the de-charging tray (5) identical with the quantity of stretching die (3) with draw punch (2), described draw punch (2) runs through de-charging tray (5) and coordinates with stretching die (3), the lower table (1-2) of multi-station punch (1) is connected with a pair square rod (6), this is positioned between stripper plate (4) and stretching die (3) to square rod (6), and its both ends are all tied and are connected to elastic ring (7), transmission system (24) with this to square rod (6) cam engagement, every bar square rod (6) is fixed with the manipulator (8) identical with the quantity of stretching die (3) with draw punch (2), article two, the manipulator (8) on square rod (6) is symmetrical, and it is corresponding one by one with de-charging tray (5), the upper table (1-1) of multi-station punch (1) is provided with building block (9), described building block (9) is arranged towards square rod (6), and with two square rods (6) in product shape.
2. novel multi-station automatic drawing punch according to claim 1, the liftout system (25) being installed on stretching die (3) bottom described in it is characterized in that refers to: described lower table (1-2) is provided with the first through hole (1-3), described first through hole (1-3) is corresponding with stretching die (3), and both are mutually through, in the first through hole (1-3), plug is connected to and jumps core (19), be combined with spring (21) in the outer end of jumping core (19), the other end of described spring (21) is crimped with pressing plate (22).
3. novel multi-station automatic drawing punch according to claim 1 and 2, it is characterized in that described transmission system (24) refers to: exporting in the upper end of multi-station punch (1) has final drive shaft (10), the first steering gear (11) is fixed with in the sidewall upper of multi-station punch (1), be in transmission connection between final drive shaft (10) and the first steering gear (11), first steering gear (11) lower end is provided with Hooks coupling universal coupling (18), Hooks coupling universal coupling (18) upper driving is connected with the first turning cylinder (12), the other end of described first turning cylinder (12) is connected with cam box assembly (13), described cam box assembly (13) and described a pair square rod (6) be positioned between stripper plate (4) and stretching die (3) are in transmission connection.
4. novel multi-station automatic drawing punch according to claim 1, it is characterized in that: comprise multi-station punch (1), be installed on the draw punch (2) on the upper table (1-1) of multi-station punch (1) and reducing drift (2-1), described draw punch (2) and reducing drift (2-1) are in word order shape, be installed on the stretching die (3) on the lower table (1-2) of multi-station punch (1) and reducing die (3-1), described stretching die (3) is identical and corresponding with draw punch (2) quantity, described reducing die (3-1) is identical and corresponding with reducing drift (2-1) quantity, described stretching die (3) is same with reducing die (3-1) in word order shape, be installed on the liftout system (25) of lower table (1-2) bottom, described liftout system (25) is respectively to strain stretch die (3) and reducing die (3-1), the transmission system (24) of the Pneumatic feeder (26) being installed on lower table (1-2) front side of multi-station punch (1) and the side being installed on multi-station punch (1), stripper plate (4) is provided with between stretching die (3) and draw punch (2), described stripper plate (4) is fixed on the side plate of lower table (1-2), stripper plate (4) is provided with de-charging tray (5), described draw punch (2) runs through corresponding de-charging tray (5) and coordinates with to strain stretch die (3), the lower table (1-2) of multi-station punch (1) is connected with a pair square rod (6), this is positioned between stripper plate (4) and stretching die (3) to square rod (6), and its both ends are all tied and are connected to elastic ring (7), transmission system (24) is connected square rod (6) with this, every bar square rod (6) is fixed with manipulator (8), article two, the manipulator (8) on square rod (6) is symmetrical, and it is corresponding with de-charging tray (5), the upper table (1-1) of multi-station punch (1) is provided with building block (9), described building block (9) is arranged towards square rod (6), and with two square rods (6) in product shape.
5. novel multi-station automatic drawing punch according to claim 3, lower table (1-2) bottom is installed on described in it is characterized in that, and the liftout system (25) corresponding with reducing die (3-1) refers to: be provided with the second through hole (1-4) on lower table (1-2), described second through hole (1-4) is corresponding with reducing die (3-1), and both are mutually through, in the second through hole (1-4), plug is connected to and jumps core (19), ejector beam (20) is connected with in the outer end of jumping core (19), the other end of described ejector beam (20) and transmission system (24) cam engagement.
6. novel multi-station automatic drawing punch according to claim 3, it is characterized in that described transmission system (24) refers to: exporting in the upper end of multi-station punch (1) has final drive shaft (10), the first steering gear (11) is fixed with in the sidewall upper of multi-station punch (1), be in transmission connection between final drive shaft (10) and the first steering gear (11), first steering gear (11) lower end is provided with Hooks coupling universal coupling (18), the first turning cylinder (12) is connected with at Hooks coupling universal coupling (18) upper driving, the other end of described first turning cylinder (12) is connected with cam box assembly (13), described cam box assembly (13) and described a pair square rod (6) be positioned between stripper plate (4) and stretching die (3) are in transmission connection, the second turning cylinder (14) is provided with in the lower end of cam box assembly (13), the other end of described second turning cylinder (14) is connected with the second steering gear (15), second steering gear (15) is provided with output shaft (16), output shaft (16) is socketed with and ejects cam (17) and coordinate with ejector beam (20).
7. novel multi-station automatic drawing punch according to claim 4, it is characterized in that described transmission system (24) refers to: exporting in the upper end of multi-station punch (1) has final drive shaft (10), the first steering gear (11) is fixed with in the sidewall upper of multi-station punch (1), be in transmission connection between final drive shaft (10) and the first steering gear (11), first steering gear (11) lower end is provided with Hooks coupling universal coupling (18), the first turning cylinder (12) is connected with at Hooks coupling universal coupling (18) upper driving, the other end of described first turning cylinder (12) is connected with cam box assembly (13), described cam box assembly (13) and described a pair square rod (6) be positioned between stripper plate (4) and stretching die (3) are in transmission connection, the second turning cylinder (14) is provided with in the lower end of cam box assembly (13), the other end of described second turning cylinder (14) is connected with the second steering gear (15), second steering gear (15) is provided with output shaft (16), output shaft (16) is socketed with and ejects cam (17) and coordinate with ejector beam (20).
8. the novel multi-station automatic drawing punch according to claim 1 or 4, is characterized in that: be provided with guidance set (23) between the upper table (1-1) of described multi-station punch (1) and lower table (1-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210533958.8A CN102950187B (en) | 2012-12-12 | 2012-12-12 | Novel multi-station automatic stretching punching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210533958.8A CN102950187B (en) | 2012-12-12 | 2012-12-12 | Novel multi-station automatic stretching punching machine |
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| Publication Number | Publication Date |
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| CN102950187A CN102950187A (en) | 2013-03-06 |
| CN102950187B true CN102950187B (en) | 2015-04-01 |
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| CN201210533958.8A Expired - Fee Related CN102950187B (en) | 2012-12-12 | 2012-12-12 | Novel multi-station automatic stretching punching machine |
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| CN103973055B (en) * | 2014-05-21 | 2016-05-11 | 福鼎市金闽辉机车部件有限公司 | The process units of coil of electronic expansion valve stator plate and corresponding production method |
| CN108655703B (en) * | 2018-07-18 | 2023-10-13 | 大连智云自动化装备股份有限公司 | Main bearing cap pressure head device |
| CN109365636A (en) * | 2018-11-30 | 2019-02-22 | 宁波欧泰瑞克精密机械工业有限公司 | A kind of single-power multi-station punch |
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| CN1986104A (en) * | 2006-11-27 | 2007-06-27 | 倪志华 | Feeding method for multiple site punching of drawn hardware piece |
| CN101293263A (en) * | 2007-04-26 | 2008-10-29 | 王瑞峰 | Processing method for multi-station automatic stretch and punch press employing the same |
| CN201283390Y (en) * | 2008-10-18 | 2009-08-05 | 厦门市尚明达机电工业有限公司 | Blanking and stretching mold |
| CN202516911U (en) * | 2012-04-24 | 2012-11-07 | 温州鹤立液压机械有限公司 | Multi-station stretcher |
| CN202921737U (en) * | 2012-12-12 | 2013-05-08 | 慈溪市天时机械有限公司 | Novel multi-station automatic stretching punch |
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| CN102950187A (en) | 2013-03-06 |
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