CN101804436B - Automatic feeder for punch - Google Patents
Automatic feeder for punch Download PDFInfo
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- CN101804436B CN101804436B CN2010101489182A CN201010148918A CN101804436B CN 101804436 B CN101804436 B CN 101804436B CN 2010101489182 A CN2010101489182 A CN 2010101489182A CN 201010148918 A CN201010148918 A CN 201010148918A CN 101804436 B CN101804436 B CN 101804436B
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Abstract
The invention relates to an automatic feeder for a punch, belonging to the field of punching equipment of flaky material parts. The invention particularly relates to an automatic feeding mechanism for a punch, which is used for carrying out subsequently punch forming for many times on flakes subjected to punch forming once. The automatic feeder comprises a stand (1), a stand regulating mechanism, a stacking plate (6), a supporting frame (5), a pushing and feeding mechanism and a power transmission mechanism, wherein the stand regulating mechanism is installed at the bottom of the stand (1), the stacking plate (6) is arranged at the front end of the stand (1), the supporting frame (5) is arranged below the stacking plate (6), and the pushing and feeding mechanism and the power transmission mechanism are arranged above the stacking plate (6). The automatic feeder is characterized in that two pushing arms (9) are fixed at the front end of a sliding comprehensive support (13) side by side; two feeding arms (14) are respectively fixed at the left side and the right side of the sliding comprehensive support (13); the feeding arms (14) comprise an upper clamping part (23) and a lower clamping part (24); bidirectional transmission shafts (20) are respectively arranged at the tail ends of the upper clamping part (23) and the lower clamping part (24); gears are correspondingly arranged on the two bidirectional transmission shafts (20); and an upper gear and a lower gear are meshed to drive the upper clamping part (23) and the lower clamping part (24) to rotate oppositely. The automatic feeder of the invention can automatically push and feed materials safely and synchronously together with the punch, can be directly driven by the working power of the punch, does not need an additional power source, and has the advantages of energy saving and high efficiency.
Description
Technical field
Automatic feeder for punch belongs to sheet materials and parts punch process apparatus field, is specifically related to a kind of automatic feeding mechanism of punching machine when one time punching molded thin slice is carried out follow-up repeatedly punch forming again.
Background technology
Raw material once strikes out on the half-finished basis of sheet through punch press, also need pass through the moulding of follow-up repeatedly punch process.The feeding operation of existing follow-up punch process in most cases; Still be in punching press feeding process, directly to be processed with hand feeding to diel by operating personnel, efficient is not high first to facts have proved this manual feeding style, and is strict to operating personnel; Second manually the feeding safety coefficient is not high; The injured example of disabling of operating personnel is not rarely seen yet in punching press feeding operation, three manual feedings, and operating personnel's working strength is big.
Chinese patent 200810022260.3 all relates to roller press type feeding technology with 200820169017.X, facts have proved feeding when the feed mechanism of this type is long, and feeding is single not to be satisfied by towards the various many specification requirements of workpiece.Chinese patent 200820040168.5 automatic feeding mechanism of punching machine need with other distribution source as power, and realize feeder work with the energy drives that the kind of drive utilizes stamping machine to give, and are then more superior.
Summary of the invention
The technical problem that the present invention will solve is: overcome the deficiency of prior art, provide a kind of and can accomplish automatically and the action of stamping machine synchronized push material, push the automatic feeder for punch of material safety.
The technical solution adopted for the present invention to solve the technical problems is: this automatic feeder for punch; Comprise frame, be installed in the frame governor motion of frame bottom, the windrow plate that is arranged on the frame front end, the bracing frame of windrow plate below, the propelling movement material mechanism and the power drive mechanism of windrow plate top; It is characterized in that: said propelling movement material mechanism comprises two pusher arms, slip comprehensive support, two feeding arms, friction guide plate, slide rail, slide-and-guide wheel, frictional power wheel, poke rod, compression spring, fixed mount and slide bar, and two pusher arms are fixed on slip comprehensive support front end side by side, and two feeding arms are separately fixed at the slip comprehensive support left and right sides; The feeding arm is made up of the upper and lower portion of holding that adds; The upper and lower portion end of holding that adds is respectively equipped with two-way power transmission shaft, and correspondence is provided with gear on the two two-way power transmission shafts, and the upper and lower portion of holding that adds of gears engaged drive realizes relatively rotating up and down; The poke rod upper end is fixed on down on the two-way power transmission shaft that adds the portion of holding; The lower end is passed fixed mount and is connected with slide bar, is provided with compression spring between poke rod and the fixed mount, and fixed mount is fixed on the slip comprehensive support; The frictional power wheel is equipped with in the slide bar bottom; The frictional power wheel closely contacts with the friction guide plate, and slide rail is fixed on the frame, and the slip comprehensive support is movably arranged on the slide rail through two groups of slide-and-guide wheels.
Said friction guide plate longitudinal section is the parallelogram that is tilted to the left, and the frictional power wheel slides along friction guide plate longitudinal section counterclockwise.
The upper and lower plane of said friction guide plate length equals the half the of windrow plate to drift centre distance.The feeding arm grasps quilt towards material in the midpoint of windrow plate center and drift center stroke.
Said power drive mechanism comprises drive sprocket, punch press trace, gearbox and chain; Punch press trace one end is fixed on the drive sprocket; The other end is connected with punch press reciprocator; Drive sprocket is connected with the gearbox input sprocket through chain, and the gearbox output chain gear is connected through two groups of slide-and-guide wheel supports of chain and propelling movement material mechanism, drives the slide-and-guide wheel and slides along slide rail.
Support frame as described above comprises directive wheel, guide rail, hydraulic cylinder and guide rail fixed plate; Guide rail is fixed on the guide rail fixed plate of bracing frame bottom; Be provided with many group directive wheels all around; The guide rail fixed plate below is provided with the hydraulic cavities that communicates with a plurality of hydraulic cylinders, and through hydraulic valve control hydraulic cylinder switch, the windrow plate is fixed on the bracing frame.
Support frame as described above comprises directive wheel, guide rail, control lever, guide rail fixed plate, spring bearer plate, spring backguy and support spring; The guide rail fixed plate below is provided with a plurality of support springs; The support spring upper end is fixed with spring bearer plate; Spring bearer plate is provided with the spring backguy, and the spring backguy other end is fixed on the control lever, and control lever is realized the support spring extension and contraction control through spring backguy control spring pressing plate.
Said pusher arm is located at windrow plate top, and the front end lower plane is the low stairstepping in preceding high back, and ladder height dashes material thickness with quilt and equated.
Said frame governor motion comprises lateral adjustment and vertical governor motion; Lateral adjustment drives the leading screw rotation through the frame lateral adjustments handwheel that is fixed on leading screw one end; Frame is fixed on the feed screw nut, and vertically governor motion is regulated through a pair of orthogonal upper and lower bevel gear, and the stands longitudinal adjusting handle is fixed on the bevel gear; Following bevel gear is fixed on the turn-screw upper end, and feed screw nut and frame are fixed.
Compared with prior art, the beneficial effect that automatic feeder for punch of the present invention had is:
1. full automatic working replaces the artificial stamping machine feeding of giving fully, avoids operating personnel's personal injury.
2. work asynchronously with stamping machine, reduce the inferior rate of product.
3. can directly utilize the stamping machine operation power to drive, need not additional power source power, efficient energy-saving.
4. use the distinctive pusher positioning system of feeding of punching of this mechanism to realize that feeding accurately locatees, and pusher, feeding action link up smooth.
5. the thin slice of all size in 100～600mm scope quilt is all applicable towards material, and wide application is practical, and is of many uses in machining industry.
Description of drawings
Fig. 1 is an automatic feeder for punch complete machine cross-sectional schematic of the present invention.
Fig. 2 is that the present invention pushes material mechanism and power drive mechanism cross-sectional schematic.
Fig. 3 pushes material mechanism and slip comprehensive support perspective view.
Fig. 4 is that the frictional power opinion is along friction guide plate motion principle sketch map.
Fig. 5 is windrow plate and bracing frame embodiment 1 structural representation.
Fig. 6 is windrow plate and bracing frame embodiment 2 structural representations.
Fig. 7 is that windrow plate and control lever structure are overlooked cross-sectional schematic.
Wherein: 1; Frame 2; Frame lateral adjustments handwheel 3; Last bevel gear 4; Following bevel gear 5; Bracing frame 6; Windrow plate 7; Directive wheel 8; Guide rail 9; Pusher arm 10; Drive sprocket 11; Punch press trace 12; Gearbox 13; Slip comprehensive support 14; Feeding arm 15; Friction guide plate 16; Frictional power wheel 17; Guide plate adjusting bracket 18; Slide-and-guide wheel 19; Slide rail 20; Two-way power transmission shaft 21; Poke rod 22; Slide bar 23; Last clamping part 24; Following clamping part 25; Compression spring 26; Fixed mount 27; Guide rail fixed plate 28; Hydraulic cylinder 29; Dashed material 30; Spring bearer plate 31; Spring backguy 32; Support spring 33; Control lever.
1～7 couple of the present invention further specifies below in conjunction with accompanying drawing:
The specific embodiment
Embodiment 1
Fig. 1～5th, the most preferred embodiment of automatic feeder for punch of the present invention,
With reference to accompanying drawing 1:
Automatic feeder for punch comprises frame 1, is installed in the bracing frame 5 of the frame governor motion of frame 1 bottom, the windrow plate 6 that is arranged on frame 1 front end, windrow plate 6 belows, the propelling movement material mechanism and the power drive mechanism of windrow plate 6 tops.The frame governor motion is realized the fine setting to shelf position, comprises lateral adjustment and vertical governor motion two parts, and lateral adjustment drives the leading screws rotation through the frame lateral adjustments handwheel 2 that is fixed on leading screw one end, and frame 1 is fixed on the horizontal feed screw nut; Vertically governor motion is through a pair of orthogonal upper and lower bevel gear 3,4 controls, and the stands longitudinal adjusting handle is fixed on the bevel gear 3, and following bevel gear 4 is fixed on the turn-screw upper end, and frame 1 is fixed with longitudinal leadscrew nut.
With reference to accompanying drawing 2～3:
Push material mechanism and comprise two pusher arms 9, slip comprehensive support 13, two feeding arms 14, friction guide plate 15, slide rail 19, slide-and-guide wheel 18, frictional power wheel 16, poke rod 21, compression spring 25, fixed mount 26 and slide bar 22; Two pusher arms 9 are fixed on the slip comprehensive support 13 side by side; Pusher arm 9 front ends are positioned at windrow plate 6 tops; The front end lower plane is the low stairstepping in preceding high back, and ladder height dashes material 29 thickness with quilt and equated.Two feeding arms 14 are separately fixed at slip comprehensive support 13 left and right sides; Feeding arm 14 is made up of upper and lower clamping part 23,24, and upper and lower clamping part 23,24 ends are respectively equipped with that correspondence is provided with gear on two-way power transmission shaft 20, the two two-way power transmission shafts 20; Gears engaged drives upper and lower clamping part 23,24 and realizes relatively rotating up and down; Poke rod 21 upper ends are fixed on down on the two-way power transmission shaft 20 that adds the portion of holding 24, and the lower end is passed fixed mount 26 and is connected with slide bar 22, is provided with compression spring 25 between poke rod 21 and the fixed mount 26; Fixed mount 26 is fixed on the slip comprehensive support 13; Frictional power wheel 16 is equipped with in slide bar 22 bottoms, and frictional power wheel 16 closely contacts with friction guide plate 15, and slides counterclockwise along friction guide plate 15 central longitudinal cross sections.Friction guide plate 15 longitudinal sections are the parallelogram that is tilted to the left, and upper and lower plane length equals the half the of windrow plate 6 centers to drift centre distance.Friction guide plate 15 belows are provided with guide plate adjusting bracket 17, can realize the fine setting to friction position, guide plate 15 left and right sides.
Power drive mechanism comprises drive sprocket 10, punch press trace 11 and gearbox 12; Punch press trace 11 1 ends are fixed on the drive sprocket 10; The other end is connected with punch press jumper bar transmission mechanism; Drive sprocket 10 is connected with gearbox 12 input sprockets through chain, and gearbox 12 output chain gears are taken turns 18 supports through two groups of slide-and-guides of chain and propelling movement material mechanism and are connected, and the chain two ends are separately fixed at two slide-and-guides and take turns on 18 supports; Slip comprehensive support 13 is movably arranged on the slide rail 19 through two groups of slide-and-guide wheels 18, and slide rail 19 two ends and frame 1 are fixing.Gearbox 12 input sprockets drive slide-and-guide wheel 18 through chain and horizontally slip along slide rail 19, thereby drive slip comprehensive support 13 move left and right.
With reference to accompanying drawing 5:
Frame 1 front end is provided with windrow plate 6, and windrow plate 6 is fixed on the bracing frame 5, and bracing frame 5 comprises directive wheel 7, guide rail 8, hydraulic cylinder 28 and control lever 33, is provided with a plurality of directive wheels 7 around the guide rail 8, guarantees that guide rail 8 drives 6 vertical up-or-down movements of windrow plate.Guide rail fixed plate 27 belows are provided with a plurality of hydraulic cylinders 28, through control lever 33 control hydraulic cylinders 28 hydraulic valve switches.Hydraulic cylinder 28 unlatching quantity are many more, and the support effect of 5 pairs of windrow plates 6 of bracing frame is big more.According to stacking the size of being dashed material 29 quantity and weight on the windrow plate 6, regulator solution cylinder pressure 28 is opened quantity, thereby control windrow plate 6 height and the rates of climb make first quilt in windrow plate 6 tops dash material 29 and fit with pusher arm 9 front end lower planes all the time.
The operation principle and the course of work are following:
At first transfer to lowest order to bracing frame 5, the various thin slices of moulding scope in 100-600mm are dashed material 29 be positioned on the windrow plate 6, regulate windrow plate 6, make and dashed material 29 and closely contact with pusher arm 9 front end lower planes.So that a thin slice material at top is dashed in the material 29 in 9 allocations of pusher arm.
Regulate the stands longitudinal governor motion, rotate the stands longitudinal adjusting handle, make pusher arm 9 height consistent with the punching machine mold height.Rotate frame lateral adjustments handwheel 2, regulate feeding arm 14 crawl positions, make the crawl position on the mid point of windrow plate 6 centers and the punch press drift line of centres.
Punch press trace 11 is fixedly connected with punch press reciprocator, and drift moves back and forth, and drives trace and swings up and down, and moves back and forth along slide bar about 22 thereby drive slip comprehensive support 13 through driving chain and gearbox 12.Accompanying drawing 4 is the frictional power opinion along friction guide plate motion principle sketch map, and with reference to accompanying drawing 4: when drift pressed down, slip comprehensive support 13 was to left movement; Pusher arm 9 promotion tops are dashed material 29 and are moved to left; Below frictional power wheel 16 slides left along friction guide plate 15 transverse plane DA simultaneously, and when arriving the A point, compression spring 25 presses down slide bar 22; Frictional power wheel 16 is slided along friction guide plate 15 inclined-plane AB; Drive poke rod 21 and press down, feeding arm 14 adds the portion of holding up and down to be opened, and will be dashed material 29 and put into punching machine mold; Lift on the drift, driving chain drives slip comprehensive support 13 and moves to right, and frictional power wheel 16 slides to the right along friction guide plate 15 transverse plane BC, and feeding arm 14 is recalled; While pusher arm 9 is followed slip comprehensive support 13 and is recalled, and when arriving the C point, drift presses down; CD moves along the inclined-plane left to drive slip comprehensive support 13 further drive frictional power wheels 16, drives on the poke rod 21 to lift, and feeding arm 14 adds up and down holds portion's closure; Grasp and dashed material 29, along the DA plane motion, 14 feedings of feeding arm.Realize feeding arm 14 " send to close back and open ", feeding automatically links up.When frictional power wheel 16 feeding arm 14 stressed closed conditions that are during plane motion on friction guide plate 15; When frictional power wheel 16 feeding arm 14 when friction guide plate 15 lower planes move is opening; Driving feeding arm 14 through friction guide plate 15 with frictional power wheel 16 is synchronized with the movement; And avoided pusher arm 9 to rewind and dashed material 29, influencing pusher feeding process, when avoiding the stamping machine punching press again because feeding is not in place defect ware appears.
Embodiment 2
With reference to accompanying drawing 6～7:
The 33 regulating spring backguys 31 of Spin Control bar, spring backguy 31 drives spring bearer plate 30 and presses down, and reduces support spring 32 quantity, thus control application of force size, adjustable support frame 5 goes up and down, and the pressure size of 6 of material 29 and pusher arm 9 and windrow plates is dashed in fine setting indirectly.
Other part-structures of automatic feeder for punch are identical with embodiment 1 with the course of work.
The above only is preferred embodiment of the present invention, is not to be the restriction of invention being made other form, and any professional and technical personnel of being familiar with possibly utilize the technology contents of above-mentioned announcement to change or be modified as the equivalent embodiment of equivalent variations.But everyly do not break away from technical scheme content of the present invention, to any simple modification, equivalent variations and remodeling that above embodiment did, still belong to the protection domain of technical scheme of the present invention according to technical spirit of the present invention.
Claims (7)
1. automatic feeder for punch; Comprise frame (1), be installed in the frame governor motion of frame (1) bottom, the windrow plate (6) that is arranged on frame (1) front end, the bracing frame (5) of windrow plate (6) below, the propelling movement material mechanism and the power drive mechanism of windrow plate (6) top; It is characterized in that: said propelling movement material mechanism comprises two pusher arms (9), slip comprehensive support (13), two feeding arms (14), friction guide plate (15), frictional power wheel (16), slide-and-guide wheel (18), slide rail (19), poke rod (21), slide bar (22), compression spring (25) and fixed mount (26); Two pusher arms (9) are fixed on slip comprehensive support (13) front end side by side; Two feeding arms (14) are separately fixed at slip comprehensive support (13) left and right sides, and feeding arm (14) is made up of upper and lower clamping part (23,24), and upper and lower clamping part (23,24) end is respectively equipped with two-way power transmission shaft (20); Two two-way power transmission shafts (20) are gone up correspondence and are provided with gear; Gears engaged drives upper and lower clamping part (23,24) and realizes relatively rotating up and down, and poke rod (21) upper end is fixed on down on the two-way power transmission shaft (20) of clamping part (24), and the lower end is passed fixed mount (26) and is connected with slide bar (22); Be provided with compression spring (25) between poke rod (21) and the fixed mount (26); Fixed mount (26) is fixed on the slip comprehensive support (13), and frictional power wheel (16) is equipped with in slide bar (22) bottom, and frictional power wheel (16) closely contacts with friction guide plate (15); Slide rail (19) is fixed on the frame (1); Slip comprehensive support (13) is taken turns (18) through two groups of slide-and-guides and is movably arranged on the slide rail (19), and said power drive mechanism comprises drive sprocket (10), punch press trace (11), gearbox (12) and chain, and punch press trace (11) one ends are fixed on the drive sprocket (10); The other end is connected with punch press reciprocator; Drive sprocket (10) is connected with gearbox (12) input sprocket through chain, and gearbox (12) output chain gear is taken turns (18) support through two groups of slide-and-guides of chain and propelling movement material mechanism and is connected, and drives slide-and-guide wheel (18) and slides along slide rail (19).
2. automatic feeder for punch according to claim 1 is characterized in that: said friction guide plate (15) longitudinal section is the parallelogram that is tilted to the left, and frictional power wheel (16) slides along friction guide plate (15) longitudinal section counterclockwise.
3. automatic feeder for punch according to claim 2 is characterized in that: the upper and lower plane of said friction guide plate (15) length equals the half the of windrow plate (6) center to drift centre distance.
4. automatic feeder for punch according to claim 1; It is characterized in that: support frame as described above (5) comprises directive wheel (7), guide rail (8), hydraulic cylinder (28) and guide rail fixed plate (27); Guide rail (8) is fixed on the guide rail fixed plate (27) of bracing frame (5) bottom, is provided with many group directive wheels (7) all around, and guide rail fixed plate (27) below is provided with the hydraulic cavities that communicates with a plurality of hydraulic cylinders (28); Through hydraulic valve control hydraulic cylinder (28) switch, windrow plate (6) is fixed on the bracing frame (5).
5. automatic feeder for punch according to claim 1; It is characterized in that: support frame as described above (5) comprises directive wheel (7), guide rail (8), control lever (33), guide rail fixed plate (27), spring bearer plate (30), spring backguy (31) and support spring (32); Guide rail fixed plate (27) below is provided with a plurality of support springs (32); Support spring (32) upper end is fixed with spring bearer plate (30); Spring bearer plate (30) is provided with spring backguy (31), and spring backguy (31) other end is fixed on the control lever (33), and control lever (33) is realized support spring (32) extension and contraction control through spring backguy (31) control spring pressing plate (30).
6. automatic feeder for punch according to claim 1 is characterized in that: said pusher arm (9) is located at the windrow plate
(6) top, pusher arm (9) front end lower plane are the low stairstepping in preceding high back, and ladder height dashes material (29) thickness with quilt and equated.
7. automatic feeder for punch according to claim 1; It is characterized in that: said frame governor motion comprises lateral adjustment and vertical governor motion; Lateral adjustment drives the leading screw rotation through the frame lateral adjustments handwheel (2) that is fixed on leading screw one end; Vertically governor motion is regulated through a pair of orthogonal upper and lower bevel gear (3,4); The stands longitudinal adjusting handle is fixed on the bevel gear (3), and following bevel gear (4) is fixed on the turn-screw upper end, and feed screw nut and frame (1) are fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101489182A CN101804436B (en) | 2010-04-19 | 2010-04-19 | Automatic feeder for punch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101489182A CN101804436B (en) | 2010-04-19 | 2010-04-19 | Automatic feeder for punch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101804436A CN101804436A (en) | 2010-08-18 |
| CN101804436B true CN101804436B (en) | 2012-07-11 |
Family
ID=42606484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101489182A Expired - Fee Related CN101804436B (en) | 2010-04-19 | 2010-04-19 | Automatic feeder for punch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101804436B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102233391A (en) * | 2011-03-02 | 2011-11-09 | 浙江博雷重型机床制造有限公司 | Feeding mechanism of computer numerical control (CNC) punching machine tool |
| CN102139308A (en) * | 2011-03-02 | 2011-08-03 | 浙江博雷重型机床制造有限公司 | Numerical control punching machine tool |
| CN107824705A (en) * | 2017-11-22 | 2018-03-23 | 江苏三阳环保工程有限公司 | A kind of feed device for lead acid accumulator plate grid punching net |
| CN108515102B (en) * | 2018-04-01 | 2020-05-15 | 六安市科新生产力促进中心有限公司 | Efficient stamping device for machining motor rear shell and using method thereof |
| CN112547901B (en) * | 2020-12-10 | 2022-08-09 | 深圳市黎兵铜带机机械有限公司 | High-efficiency copper strip forming compression mould |
| CN112872151B (en) * | 2021-02-04 | 2022-12-06 | 东莞市燊华塑胶五金有限公司 | Stamping mechanism for aluminum alloy sheets |
| CN113210524B (en) * | 2021-04-30 | 2023-03-24 | 浙江田中精机股份有限公司 | Automatic feeder of punch press capable of adjusting length and width of feeding plate |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1406310A (en) * | 1921-04-07 | 1922-02-14 | Harry C H Walsh | Automatic feed mechanism for punch presses |
| US1458339A (en) * | 1922-02-20 | 1923-06-12 | Randolph B Hancock | Automatic feeding device |
| JPS6037228A (en) * | 1983-08-10 | 1985-02-26 | Toyo Seikan Kaisha Ltd | Sheet material transporting device |
| FR2659578B1 (en) * | 1990-03-14 | 1995-04-28 | Peugeot | APPARATUS FOR AUTOMATICALLY FEEDING SHEET SHEET OF A PRESS OR OTHER MACHINE. |
| US6065325A (en) * | 1999-05-26 | 2000-05-23 | Tsai; Sou-Jun | Automatic stamping machine |
| CN2511412Y (en) * | 2001-01-12 | 2002-09-18 | 邹继才 | Automatic bottle cover punch press with oscillating feed and jacking in advance |
| CN2487468Y (en) * | 2001-06-20 | 2002-04-24 | 郑贵龙 | Stamping and feeding device |
| CN201120438Y (en) * | 2007-09-17 | 2008-09-24 | 振力机械(昆山)有限公司 | Coupled rod structure with punch press of clip type feeding mechanism |
| CN101322998A (en) * | 2008-06-30 | 2008-12-17 | 常熟市双华电子有限公司 | Automatic feeding mechanism of punching machine with improved structure |
| CN201644667U (en) * | 2010-04-19 | 2010-11-24 | 郑贵龙 | Automatic feeding machine of punch press |
-
2010
- 2010-04-19 CN CN2010101489182A patent/CN101804436B/en not_active Expired - Fee Related
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| CN101804436A (en) | 2010-08-18 |
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Owner name: WANG DONGYONG Free format text: FORMER OWNER: ZHENG GUILONG Effective date: 20110805 |
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Effective date of registration: 20110805 Address after: 255300, Zhoucun District, Shandong City, Zhengyang province Zibo northbound Shimen village, Zibo East Hao Thermoelectric equipment Co., Ltd. Applicant after: Wang Dongyong Address before: 255200, Zibo, Shandong province Boshan District North Bo Town invited Rabbit Village Applicant before: Zheng Guilong |
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