CN103286817A - Manufacturing method and device of fixed-length cut-off perforating machine for automobile sealing strip - Google Patents

Manufacturing method and device of fixed-length cut-off perforating machine for automobile sealing strip Download PDF

Info

Publication number
CN103286817A
CN103286817A CN2013102663029A CN201310266302A CN103286817A CN 103286817 A CN103286817 A CN 103286817A CN 2013102663029 A CN2013102663029 A CN 2013102663029A CN 201310266302 A CN201310266302 A CN 201310266302A CN 103286817 A CN103286817 A CN 103286817A
Authority
CN
China
Prior art keywords
pneumatic
puncher
crossbeam
automobile
weather strip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2013102663029A
Other languages
Chinese (zh)
Inventor
徐世平
马强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guizhou Guihang Automotive Components Co Ltd
Original Assignee
Guizhou Guihang Automotive Components Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guizhou Guihang Automotive Components Co Ltd filed Critical Guizhou Guihang Automotive Components Co Ltd
Priority to CN2013102663029A priority Critical patent/CN103286817A/en
Publication of CN103286817A publication Critical patent/CN103286817A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The invention discloses a manufacturing method and device of a fixed-length cut-off perforating machine for an automobile sealing strip. A fixed-length cut-off perforating machine is included; an operating platform and an pneumatic beam are manufactured on a rack of the fixed-length cut-off perforating machine; a mounting platform used for the placement of the automobile sealing strip is manufactured on the operating platform; end cutting tool clamps are manufactured at the two ends of the pneumatic beam; a perforating machine is arranged on the pneumatic beam and between the two end cutting tool clamps; the pneumatic beam moves up and down through motive power provided by compressed air; through such the arrangement, both the end cutting tool clamps and the perforating machine are arranged on the pneumatic beam; along with the up-and-down movement of the pneumatic beam, the end cutting tool clamps and the perforating machine cut off and perforate the automobile sealing strip at the same time; and while the quality of parts is guaranteed, equipment and site are saved, and furthermore the production rate is increased.

Description

A kind of preparation method and device thereof of customized cut-off puncher of weather strip for automobile
Technical field
Preparation method and the device thereof of the customized cut-off puncher of a kind of weather strip for automobile of the present invention belong to automobile door bar processing technique field.
Background technology
At present; weather strip for automobile is one of important spare part of automobile; be widely used in car door; vehicle window; vehicle body; the skylight; positions such as engine case and reserve (luggage) case; has sound insulation; dustproof; the function of water-impervious and damping; keep and the interior subenvironment of maintenance cart; thereby play the passenger; the important protective effect of electromechanical assembly and accessory; at first; automobile door bar requirement on machining accuracy height; be to adopt manual processing before always; but waste lot of manpower and material resources like this; and inefficiency; be not suitable for large-scale production; then to automobile door strip adoption segmental machining; utilize cut-out equipment and punch device to process exactly; part at first is installed in to cut off on the cut-out equipment to be transported on the punch device by conveyer belt then and punches; but because the elasticity of part in course of conveying causes the part displacement through regular meeting; cause the processing pintle hole to fail apart from instability; produce a large amount of waste products; and taken a large amount of work-yards; need operator's quantity workloads many and operator big, so there is deficiency in existing processing method.
Summary of the invention
The objective of the invention is: provide a kind of simple in structure, design is ingenious, easy and simple to handle, safe and reliable, preparation method and the device thereof of the customized cut-off puncher of a kind of weather strip for automobile that can cut off part simultaneously and punch, to overcome the deficiencies in the prior art.
The present invention is achieved in that a kind of preparation method of customized cut-off puncher of weather strip for automobile, comprise customized cut-off punching frame, be manufactured with operating platform and pneumatic crossbeam in customized cut-off punching frame, be manufactured with the erecting bed of placing weather strip for automobile at operating platform, be manufactured with termination cutoff tool anchor clamps at the two ends of pneumatic crossbeam, be provided with puncher on the pneumatic crossbeam and between two termination cutoff tool anchor clamps, pneumatic crossbeam provides power to move up and down by compressed air, by such arranging termination cutoff tool anchor clamps and puncher are arranged on the pneumatic crossbeam simultaneously, along with moving up and down of pneumatic crossbeam, the operation that termination cutoff tool anchor clamps and puncher cut off simultaneously and punch weather strip for automobile, when guaranteeing part quality, saved equipment, the place, thus productivity ratio improved.
Termination cutoff tool anchor clamps are to be made of cutter shaft, cutter shaft slide cartridge, end cutter holder head and single-edge blade.
A kind of customized cut-off puncher of weather strip for automobile, comprise customized cut-off punching frame, customized cut-off punching frame is provided with operating platform and pneumatic crossbeam, operating platform is provided with the erecting bed of laying weather strip for automobile, erecting bed is provided with part crosswise fixed groove, be provided with termination cutoff tool anchor clamps at the two ends of pneumatic crossbeam, be provided with puncher on the pneumatic crossbeam and between two termination cutoff tool anchor clamps.
Termination cutoff tool anchor clamps are to be made of cutter shaft, cutter shaft slide cartridge, end cutter holder head and single-edge blade, the cutter shaft slide cartridge is connected with pneumatic crossbeam, be provided with cutter shaft in the cutter shaft slide cartridge, be provided with end cutter holder head at an end of cutter shaft, end cutter holder head is provided with single-edge blade.
Pneumatic crossbeam is provided with 2~25 puncheres.
One side of part crosswise fixed groove is provided with the vertical cutter relieving groove of cutting knife, is provided with the cut-out cushion block in the bottom of the vertical cutter relieving groove of cutting knife.
Set up at the customized cut-off puncher and to be equipped with pipe and the air control unit that links with compressed air.
Cutter shaft is provided with spring.
Owing to adopted technique scheme, at termination cutoff tool anchor clamps and the puncher that pneumatic crossbeam arranges, pneumatic crossbeam provides power to move up and down by compressed air, by such arranging termination cutoff tool anchor clamps and puncher are arranged on the pneumatic crossbeam simultaneously, along with moving up and down of pneumatic crossbeam, the operation that termination cutoff tool anchor clamps and puncher cut off simultaneously and punch weather strip for automobile; The present invention compared with prior art, the present invention not only has simple in structure, designs ingeniously, and cost is low, simple to operate, safe and reliable, save production equipment simultaneously in the quality that guarantees product, advantage such as increase work efficiency.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of termination cutoff tool anchor clamps;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the erecting bed structural representation;
Fig. 5 is the upward view of Fig. 4;
Description of reference numerals: 1-customized cut-off punching frame, 2-operating platform, the pneumatic crossbeam of 3-, the 4-erecting bed, 5-crosswise fixed groove, 6-termination cutoff tool anchor clamps, the 7-puncher, the vertical cutter relieving groove of 8-, 9-cuts off cushion block, the 10-cutter shaft, 11-cutter shaft slide cartridge, 12-end cutter holder head, the 13-single-edge blade, the 14-pipe, 15-air control unit, 16-spring.
The specific embodiment
The present invention is described in further detail below in conjunction with drawings and Examples, but not as limitation of the present invention.
Embodiments of the invention: a kind of preparation method of customized cut-off puncher of weather strip for automobile, comprise customized cut-off punching frame, be manufactured with operating platform and pneumatic crossbeam in customized cut-off punching frame, be manufactured with the erecting bed of placing weather strip for automobile at operating platform, be manufactured with termination cutoff tool anchor clamps at the two ends of pneumatic crossbeam, be provided with puncher on the pneumatic crossbeam and between two termination cutoff tool anchor clamps, pneumatic crossbeam provides power to move up and down by compressed air, by such arranging termination cutoff tool anchor clamps and puncher are arranged on the pneumatic crossbeam simultaneously, along with moving up and down of pneumatic crossbeam, the operation that termination cutoff tool anchor clamps and puncher cut off simultaneously and punch weather strip for automobile, when guaranteeing part quality, saved equipment, the place, thus productivity ratio improved.
Termination cutoff tool anchor clamps are to be made of cutter shaft, cutter shaft slide cartridge, end cutter holder head and single-edge blade.
A kind of customized cut-off puncher of weather strip for automobile, comprise customized cut-off punching frame 1, customized cut-off punching frame 1 is provided with operating platform 2 and pneumatic crossbeam 3, operating platform 2 is provided with the erecting bed 4 of laying weather strip for automobile, erecting bed 4 is provided with part crosswise fixed groove 5, be provided with termination cutoff tool anchor clamps 6 at the two ends of pneumatic crossbeam 3, be provided with puncher 7 on the pneumatic crossbeam 3 and between two termination cutoff tool anchor clamps 6.
Termination cutoff tool anchor clamps 6 are to be made of cutter shaft 10, cutter shaft slide cartridge 11, end cutter holder head 12 and single-edge blade 13, cutter shaft slide cartridge 11 is connected with pneumatic crossbeam 3, in cutter shaft slide cartridge 11, be provided with cutter shaft 10, end at cutter shaft 10 is provided with end cutter holder head 12, and end cutter holder head 12 is provided with single-edge blade 13.
Pneumatic crossbeam 3 is provided with 2~25 puncheres 7.
One side of part crosswise fixed groove 5 is provided with the vertical cutter relieving groove 8 of cutting knife, is provided with in the bottom of the vertical cutter relieving groove 8 of cutting knife to cut off cushion block 9.
Be provided with pipe 14 and the air control unit 15 that links with compressed air in customized cut-off punching frame 1.
Cutter shaft 10 is provided with spring 16.
Among the present invention, puncher 7 is existing product, is made up of pneumatic air drill, can punch automatically to weather strip for automobile.
Among the present invention, termination cutoff tool anchor clamps 6 have certain buffering and avoid directly being punched on the vertical cutter relieving groove 8 of cutting knife and damage blade, can not cushion too big and can't cut part, install suitable spring 16 therefore for cutter shaft 10, single-edge blade 13 adopts and is easy to change De Unit angle of throat sheet.
Part crosswise fixed groove 5 two ends are groove, are provided with in the bottom of the vertical cutter relieving groove 8 of cutting knife to cut off cushion block 9, cut off cushion block 9 and adopt general nylon cushion block (10 * 10 * 100) to be convenient to change.
Air control unit 15 is conventional device, and by pneumatic servovalve, cylinder and position detecting device are formed.
The present invention is arranged on termination cutoff tool anchor clamps and puncher on the pneumatic crossbeam simultaneously, along with moving up and down of pneumatic crossbeam, the operation that termination cutoff tool anchor clamps and puncher cut off simultaneously and punch weather strip for automobile, when guaranteeing part quality, save equipment, place, thereby improved productivity ratio.
Improve the production time of back part through such trial-production and improve 18 seconds/part by original 33 seconds/part, pintle hole spacing tolerance guarantees ± 1.5, the length overall dimensional tolerance by ± 16 drop to ± 10 in, and cancel 2 of desk-top punch presses, knife edge die tire one pair, one on operating desk, one of producers, 2 pairs of part termination shearing devices are saved about 8 square meters of production site.
On the modern pintle hole of criticizing this project in the production run and length dimension, guaranteed fully through 2012-7 always, improved productivity ratio thereby when guaranteeing part quality, saved equipment, place and personnel.Therefore this project can be generalized in the production of other products, and have an appointment half part of this workshop needs can improve productivity ratio on original basis by dropping into little cost with the equipment punching.Simultaneously this project also has weak point, and end holes apart from apart from less than 40 can not finish punching cut-out task, at inferior weak point, the workshop can be improved and be promoted in project in 2013.
Production time is improved 18 seconds/part by original 33 seconds/part, pintle hole spacing tolerance guarantees ± 1.5, the length overall dimensional tolerance by ± 16 drop to ± 10 in, and cancel 2 of desk-top punch presses, knife edge die tire one pair, one on operating desk, one of producers, 2 pairs of part termination shearing devices, save about 8 square meters of production site, equipment, fitting device, personnel and the production site of cancellation can be done him in addition and use: punch press and operating desk can be used for cutting off other parts, and personnel and place can be used in other production aspects.

Claims (8)

1. the preparation method of the customized cut-off puncher of a weather strip for automobile, comprise customized cut-off punching frame, it is characterized in that: be manufactured with operating platform and pneumatic crossbeam in customized cut-off punching frame, be manufactured with the erecting bed of placing weather strip for automobile at operating platform, be manufactured with termination cutoff tool anchor clamps at the two ends of pneumatic crossbeam, be provided with puncher on the pneumatic crossbeam and between two termination cutoff tool anchor clamps, pneumatic crossbeam provides power to move up and down by compressed air, by such arranging termination cutoff tool anchor clamps and puncher are arranged on the pneumatic crossbeam simultaneously, along with moving up and down of pneumatic crossbeam, the operation that termination cutoff tool anchor clamps and puncher cut off simultaneously and punch weather strip for automobile, when guaranteeing part quality, saved equipment, the place, thus productivity ratio improved.
2. according to the preparation method of the customized cut-off puncher of claim 1 described weather strip for automobile, it is characterized in that: termination cutoff tool anchor clamps are to be made of cutter shaft, cutter shaft slide cartridge, end cutter holder head and single-edge blade.
3. the customized cut-off puncher of a weather strip for automobile, comprise customized cut-off punching frame (1), it is characterized in that: customized cut-off punching frame (1) is provided with operating platform (2) and pneumatic crossbeam (3), operating platform (2) is provided with the erecting bed (4) of laying weather strip for automobile, erecting bed (4) is provided with part crosswise fixed groove (5), be provided with termination cutoff tool anchor clamps (6) at the two ends of pneumatic crossbeam (3), go up and between two termination cutoff tool anchor clamps (6), be provided with puncher (7) at pneumatic crossbeam (3).
4. according to the customized cut-off puncher of claim 3 described weather strip for automobile, it is characterized in that: termination cutoff tool anchor clamps (6) are to be made of cutter shaft (10), cutter shaft slide cartridge (11), end cutter holder head (12) and single-edge blade (13), cutter shaft slide cartridge (11) is connected with pneumatic crossbeam (3), in cutter shaft slide cartridge (11), be provided with cutter shaft (10), end at cutter shaft (10) is provided with end cutter holder head (12), and end cutter holder head (12) is provided with single-edge blade (13).
5. according to the customized cut-off puncher of claim 3 described weather strip for automobile, it is characterized in that: pneumatic crossbeam (3) is provided with 2~25 puncheres (7).
6. according to the customized cut-off puncher of claim 3 described weather strip for automobile, it is characterized in that: a side of part crosswise fixed groove (5) is provided with the vertical cutter relieving groove of cutting knife (8), is provided with in the bottom of the vertical cutter relieving groove of cutting knife (8) to cut off cushion block (9).
7. according to the customized cut-off puncher of claim 3 described weather strip for automobile, it is characterized in that: be provided with pipe (14) and the air control unit (15) that links with compressed air in customized cut-off punching frame (1).
8. according to the customized cut-off puncher of claim 3 described weather strip for automobile, it is characterized in that: cutter shaft (10) is provided with spring (16).
CN2013102663029A 2013-06-28 2013-06-28 Manufacturing method and device of fixed-length cut-off perforating machine for automobile sealing strip Pending CN103286817A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013102663029A CN103286817A (en) 2013-06-28 2013-06-28 Manufacturing method and device of fixed-length cut-off perforating machine for automobile sealing strip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013102663029A CN103286817A (en) 2013-06-28 2013-06-28 Manufacturing method and device of fixed-length cut-off perforating machine for automobile sealing strip

Publications (1)

Publication Number Publication Date
CN103286817A true CN103286817A (en) 2013-09-11

Family

ID=49088613

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013102663029A Pending CN103286817A (en) 2013-06-28 2013-06-28 Manufacturing method and device of fixed-length cut-off perforating machine for automobile sealing strip

Country Status (1)

Country Link
CN (1) CN103286817A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103601362A (en) * 2013-10-30 2014-02-26 安徽佰瑞特日用品有限公司 Novel inner flask cutting device
CN103846964A (en) * 2014-03-13 2014-06-11 浙江兴宇汽车零部件有限公司 Rubber sponge pipe perforating machine
CN103898251A (en) * 2014-04-21 2014-07-02 武汉腾畅科技有限公司 Numerically controlled tape cutting and punching integrated machine
CN104369225A (en) * 2014-12-01 2015-02-25 贵州省工程复合材料中心 Fixed-length punching method and device for profiled bars for soft and hard co-extrusion sealing
CN104924356A (en) * 2015-06-19 2015-09-23 河北贵航鸿图汽车零部件有限公司 Automatic installing machine for automobile sealing strip and nail catcher
CN108247728A (en) * 2018-01-25 2018-07-06 上海荣南科技有限公司 A kind of multistation automatic die cutter mechanical device and method for die cutting
CN109849095A (en) * 2018-12-12 2019-06-07 北京华通橡塑制品有限公司清河分公司 A kind of double knife type sealing strip shear
CN110919757A (en) * 2019-11-19 2020-03-27 长沙永昌车辆零部件有限公司 Drill bit mounting tool of sealing strip punching machine and using method

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2171013A1 (en) * 1972-02-07 1973-09-21 Tech Cuir Centre High frequency moulding tool - with integral boundary cutter held clear to avoid arcing
CN1343548A (en) * 2001-10-31 2002-04-10 苏州宝时得电动工具有限公司 Fast fixture of cutting tool
DE102008003576A1 (en) * 2008-01-09 2009-07-16 Ueberschär, Volker Sheet material e.g. paper, punching and/or cutting device for e.g. index card, has shear cutter that rises with separation plunger found at end stopper from punching edge to one of slot ends and extends partially into slot
CN101863052A (en) * 2010-05-19 2010-10-20 昆山市三众模具制造有限公司 Automobile back door sealing strip shaving die
CN101890733A (en) * 2010-07-07 2010-11-24 珠海天威飞马打印耗材有限公司 Doctor blade cutting device and method
CN102019627A (en) * 2009-09-11 2011-04-20 上海边光实业有限公司 Marking device
CN202412347U (en) * 2011-12-31 2012-09-05 天津星光橡塑有限公司 Multi-row program-controlled automatic punching and cutting machine
CN102699949A (en) * 2012-05-15 2012-10-03 陈清标 Cutting-off punching forming machinery
CN202556481U (en) * 2012-05-14 2012-11-28 天津贵航红阳密封件有限公司 Off-line punch of sealing strips
CN102794784A (en) * 2012-08-09 2012-11-28 山东水星博惠汽车部件股份有限公司 Dual-station cutting machine tool
CN203357533U (en) * 2013-06-28 2013-12-25 贵州贵航汽车零部件股份有限公司 Fixed length cutting-off hole punch

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2171013A1 (en) * 1972-02-07 1973-09-21 Tech Cuir Centre High frequency moulding tool - with integral boundary cutter held clear to avoid arcing
CN1343548A (en) * 2001-10-31 2002-04-10 苏州宝时得电动工具有限公司 Fast fixture of cutting tool
DE102008003576A1 (en) * 2008-01-09 2009-07-16 Ueberschär, Volker Sheet material e.g. paper, punching and/or cutting device for e.g. index card, has shear cutter that rises with separation plunger found at end stopper from punching edge to one of slot ends and extends partially into slot
CN102019627A (en) * 2009-09-11 2011-04-20 上海边光实业有限公司 Marking device
CN101863052A (en) * 2010-05-19 2010-10-20 昆山市三众模具制造有限公司 Automobile back door sealing strip shaving die
CN101890733A (en) * 2010-07-07 2010-11-24 珠海天威飞马打印耗材有限公司 Doctor blade cutting device and method
CN202412347U (en) * 2011-12-31 2012-09-05 天津星光橡塑有限公司 Multi-row program-controlled automatic punching and cutting machine
CN202556481U (en) * 2012-05-14 2012-11-28 天津贵航红阳密封件有限公司 Off-line punch of sealing strips
CN102699949A (en) * 2012-05-15 2012-10-03 陈清标 Cutting-off punching forming machinery
CN102794784A (en) * 2012-08-09 2012-11-28 山东水星博惠汽车部件股份有限公司 Dual-station cutting machine tool
CN203357533U (en) * 2013-06-28 2013-12-25 贵州贵航汽车零部件股份有限公司 Fixed length cutting-off hole punch

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103601362A (en) * 2013-10-30 2014-02-26 安徽佰瑞特日用品有限公司 Novel inner flask cutting device
CN103601362B (en) * 2013-10-30 2016-01-27 安徽佰瑞特日用品有限公司 A kind of glass liner cutting unit
CN103846964A (en) * 2014-03-13 2014-06-11 浙江兴宇汽车零部件有限公司 Rubber sponge pipe perforating machine
CN103898251A (en) * 2014-04-21 2014-07-02 武汉腾畅科技有限公司 Numerically controlled tape cutting and punching integrated machine
CN104369225A (en) * 2014-12-01 2015-02-25 贵州省工程复合材料中心 Fixed-length punching method and device for profiled bars for soft and hard co-extrusion sealing
CN104369225B (en) * 2014-12-01 2016-08-31 贵州省工程复合材料中心 The fixed length drilling method of soft-hard coextrusion sealing profile shapes and device
CN104924356A (en) * 2015-06-19 2015-09-23 河北贵航鸿图汽车零部件有限公司 Automatic installing machine for automobile sealing strip and nail catcher
CN108247728A (en) * 2018-01-25 2018-07-06 上海荣南科技有限公司 A kind of multistation automatic die cutter mechanical device and method for die cutting
CN108247728B (en) * 2018-01-25 2023-10-20 上海荣南科技有限公司 Multi-station automatic punching machine mechanical device and punching method
CN109849095A (en) * 2018-12-12 2019-06-07 北京华通橡塑制品有限公司清河分公司 A kind of double knife type sealing strip shear
CN110919757A (en) * 2019-11-19 2020-03-27 长沙永昌车辆零部件有限公司 Drill bit mounting tool of sealing strip punching machine and using method
CN110919757B (en) * 2019-11-19 2021-04-20 长沙永昌车辆零部件有限公司 Drill bit mounting tool of sealing strip punching machine and using method

Similar Documents

Publication Publication Date Title
CN103286817A (en) Manufacturing method and device of fixed-length cut-off perforating machine for automobile sealing strip
CN202952046U (en) Punching and cutting production line for supporting plate of solar water heater
CN102862183B (en) Semi-automatic punching machine for packaging tube
CN203357533U (en) Fixed length cutting-off hole punch
CN206899380U (en) Sealing strip die cutting die
CN203266792U (en) Guillotine shear for automobile spare parts
CN104551687B (en) A kind of angle steel eyelet work cutting machine
CN202726160U (en) Cut-off device for installation guide rail inside control cabinet
CN105312666A (en) Cutting machine for cylinder of shock absorber
CN204800060U (en) Work piece clamping mechanism who uses on cutting equipment of bumper shock absorber barrel
CN103639524A (en) Plate shearer capable of positioning plates accurately
CN202753224U (en) Movable punching die of die-cutting ruler
CN205798572U (en) A kind of cutting machine
CN104801755A (en) Plate shearing machine capable of stopping materials
CN106042046B (en) Punching guillotine
CN203330238U (en) Fast automobile roof punching device
CN105312915A (en) Workpiece clamping mechanism for cutting equipment for cylinder of shock absorber
CN204657605U (en) Can backgauge plate shearing machine
CN207642093U (en) A kind of automobile reinforcer Trimming Die
CN203370904U (en) Gap cutting die for narrow-strip-shaped automobile body accessory with U-shaped section
CN202639032U (en) Rectangular pipe orifice punching mold
CN102389919A (en) Plate spring cutting die
CN203380944U (en) Full-automatic profile cutting equipment
CN203265470U (en) Valve key production device
CN202517114U (en) High-precision sizing and cut-off device for round wire steel

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
AD01 Patent right deemed abandoned

Effective date of abandoning: 20160803

C20 Patent right or utility model deemed to be abandoned or is abandoned