CN110802172A - Press spring piece bending die - Google Patents

Press spring piece bending die Download PDF

Info

Publication number
CN110802172A
CN110802172A CN201911128161.8A CN201911128161A CN110802172A CN 110802172 A CN110802172 A CN 110802172A CN 201911128161 A CN201911128161 A CN 201911128161A CN 110802172 A CN110802172 A CN 110802172A
Authority
CN
China
Prior art keywords
concave
plane
inclined plane
die
lower die
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
CN201911128161.8A
Other languages
Chinese (zh)
Inventor
张韬
吕维
翁千雅
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.)
WUZHOU OKA OPTICAL INSTRUMENT CO Ltd
Original Assignee
WUZHOU OKA OPTICAL INSTRUMENT 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 WUZHOU OKA OPTICAL INSTRUMENT CO Ltd filed Critical WUZHOU OKA OPTICAL INSTRUMENT CO Ltd
Priority to CN201911128161.8A priority Critical patent/CN110802172A/en
Publication of CN110802172A publication Critical patent/CN110802172A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • B21D37/12Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/002Positioning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0209Tools therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The invention discloses a compression spring piece bending die, which relates to the technical field of machining and comprises an upper die and a lower die, wherein the upper end of the lower die is provided with a concave plane B and a concave inclined plane D which is lower than the concave plane B and inclines downwards, the concave inclined plane D is connected with the concave plane B through a transition inclined plane C, the outer side of the concave plane B is connected with a first inclined plane A, the outer side of the concave inclined plane D is connected with a second inclined plane E, the included angle between the first inclined plane A and the concave plane B, the included angle between the transition inclined plane C and the concave inclined plane D are α, the included angle between the concave plane B and the transition inclined plane C, and the included angle between the concave inclined plane D and the second inclined plane E are β, the upper die is provided with a bottom surface matched with the lower die, the lower die is provided with a positioning pin at the concave plane B, and the upper die is provided with a pin hole corresponding to the positioning pin.

Description

Press spring piece bending die
Technical Field
The invention relates to the technical field of machining, in particular to a compression spring piece bending die.
Background
As shown in fig. 1 and 2, the pressure spring is a strip shape with two ends having different widths,
the pressure spring leaf is provided with a section of flat plate part b and a section of inclined plate part d which is lower than the flat plate part b and inclines downwards, the flat plate part b is connected with the inclined plate part d through a bending plate part c which bends downwards, the included angle between the bending plate part c and the inclined plate part d is 142 degrees, the included angle between the bending plate part c and the flat plate part b is 130 degrees, the flat plate part b is close to one end with large width, a through hole is formed in the flat plate part b close to the bending plate part c, the outer end of the flat plate part b is connected with a first warping plate part a which tilts upwards, the included angle between the first warping plate part a and the flat plate part b is 142 degrees, the outer end of the inclined plate part d is connected with a second warping plate part e which tilts upwards, and the included angle between the second warping. Because no special compression spring piece bending die is arranged, the compression spring piece is bent and formed by adopting a tool manually, the labor intensity of an operator is high, the production efficiency is low, and the forming quality of the compression spring piece is difficult to ensure.
Disclosure of Invention
The invention aims to provide a compression spring piece bending die which can solve the problems that the labor intensity of an operator is high, the production efficiency is low, and the forming quality of a compression spring piece is difficult to ensure when a tool is manually adopted to bend and form the compression spring piece.
In order to solve the problems, the technical scheme includes that the compression spring leaf bending die comprises an upper die and a lower die, a section of concave plane B and a section of concave inclined plane D which is lower than the concave plane B and inclines downwards are arranged at the upper end of the lower die, the concave inclined plane D is connected with the concave plane B through a transition inclined plane C, a first inclined plane A which inclines upwards and outwards is connected to the outer side of the concave plane B, a second inclined plane E which inclines upwards and outwards is connected to the outer side of the concave inclined plane D, the included angle between the first inclined plane A and the concave plane B and the included angle between the transition inclined plane C and the concave inclined plane D are α, the included angle between the concave plane B and the transition inclined plane C and the included angle between the concave inclined plane D and the second inclined plane E are β, the upper die is provided with a bottom surface matched with the lower die, a positioning pin is arranged at the concave plane B of the lower die, and the upper die is provided with a pin hole corresponding to the.
In the above technical solution of the press spring bending die, a more specific technical solution may also be: a plurality of limiting holes are formed in the lower die and located below the concave plane B, limiting pins and pressure springs are arranged in the limiting holes, and the upper ends of the limiting pins extend out of the concave plane B.
Furthermore, the lower die is connected with a lower die bottom plate through a bolt.
Furthermore, the lower die is provided with a positioning pin hole, the positioning pin is provided with a cylinder matched with the positioning pin hole, and the cylinder is provided with a pin extending out of the concave plane B.
Further, the angle α is 142 °, and the angle β is 130 °.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. the invention can punch and form the pressure spring piece at one time, the labor intensity of an operator is low, and the production efficiency is greatly improved; the positioning pin is used for positioning, so that the forming quality of the pressure spring piece is ensured, and the product percent of pass is high.
2. A plurality of limiting holes are formed in the lower die and located below the concave plane B, limiting pins and pressure springs are arranged in the limiting holes, and the upper ends of the limiting pins extend out of the concave plane B. After the punching is finished, the limiting pin jacks up the pressure spring piece under the elastic action of the pressure spring, and the discharging is convenient and quick.
3. The lower die is connected with a lower die bottom plate through a bolt, so that the limiting pin and the pressure spring are convenient to install and reliable in work.
4. The lower die is provided with a positioning pin hole, the positioning pin is provided with a cylinder matched with the positioning pin hole, the cylinder is provided with a pin extending out of the concave plane B, and the pressure spring piece is accurately stamped and positioned.
Drawings
Fig. 1 is a schematic structural view of a pressure spring.
Fig. 2 is a schematic view of the expansion of the pressure spring plate.
Fig. 3 is a schematic structural diagram of an embodiment of the present invention.
Fig. 4 is a schematic structural view of an upper die in the embodiment of the present invention.
FIG. 5 is a bottom view of the upper die in an embodiment of the present invention.
FIG. 6 is a schematic structural view of a locating pin in an embodiment of the present invention.
FIG. 7 is a schematic structural diagram of a lower die in an embodiment of the present invention.
FIG. 8 is a top view of a lower die in an embodiment of the present invention.
FIG. 9 is a schematic structural diagram of a lower mold base plate in an embodiment of the present invention.
Fig. 10 is a schematic structural view of a stopper pin according to an embodiment of the present invention.
Detailed Description
The invention will be further described in detail with reference to the following examples:
the compression spring leaf bending die comprises an upper die 1 and a lower die 3, the lower die 3 is connected with a lower die base plate 5 through a bolt 4, the structure of the lower die base plate 5 is as shown in fig. 9, the upper end of the lower die 3 is provided with a section of concave plane B and a section of concave inclined plane D which is lower than the concave plane B and inclines downwards, the concave inclined plane D is connected with the concave plane B through a transition inclined plane C, the outer side of the concave plane B is connected with a first inclined plane A which inclines upwards and outwards, the outer side of the concave inclined plane D is connected with a second inclined plane E which inclines upwards and outwards, the angle α of the included angle between the first inclined plane A and the concave plane B is 142 degrees, the angle α of the included angle between the transition inclined plane C and the concave inclined plane D is 142 degrees, the angle β of the included angle between the concave plane B and the transition inclined plane C is 130 degrees, the angle β of the included angle between the concave inclined plane D and the second inclined plane E is 130 degrees, the upper die 1 is provided with a bottom surface which is matched with the lower die 3, the lower die 3 is provided with a positioning pin hole 2 which is provided with a positioning pin hole 2, the positioning pin which is provided with a cylinder body 2-1 matched with a positioning pin which is provided in the upper pin, the upper pin 5, the upper pin which is provided with a positioning pin and a positioning pin 5, the upper pin which is provided with a positioning pin which is provided on the concave pin hole 7 pin structure, the.
The invention can punch and form the pressure spring piece at one time, the labor intensity of an operator is low, and the production efficiency is greatly improved; the positioning pin 2 is used for positioning, so that the forming quality of the pressure spring piece is ensured, and the product percent of pass is high. After the punching is finished, the limiting pin 7 jacks up the pressure spring piece under the elastic action of the pressure spring 6, and the discharging is convenient and quick.

Claims (9)

1. The compression spring leaf bending die is characterized by comprising an upper die (1) and a lower die (3), wherein a section of concave plane B and a section of concave inclined plane D which is lower than the concave plane B and inclines downwards are arranged at the upper end of the lower die (3), the concave inclined plane D is connected with the concave plane B through a transition inclined plane C, a first inclined plane A which inclines upwards is connected to the outer side of the concave plane B, a second inclined plane E which inclines upwards is connected to the outer side of the concave inclined plane D, the included angle between the first inclined plane A and the concave plane B and the included angle between the transition inclined plane C and the concave inclined plane D are α, the included angle between the concave plane B and the transition inclined plane C and the included angle between the concave inclined plane D and the second inclined plane E are β, the upper die (1) is provided with a bottom surface matched with the lower die (3), a positioning pin (2) is arranged at the position, located on the concave plane B, of the lower die (3), and the upper die (1) is provided with a pin hole corresponding to the positioning pin.
2. The pressure spring plate bending die according to claim 1, wherein: the lower die (3) is provided with a plurality of limiting holes below the concave plane B, limiting pins (7) and pressure springs (6) are arranged in the limiting holes, and the upper ends of the limiting pins (7) extend out of the concave plane B.
3. The pressure spring plate bending die according to claim 1 or 2, wherein: the lower die (3) is connected with a lower die bottom plate (5) through a bolt (4).
4. The pressure spring plate bending die according to claim 1 or 2, wherein: the lower die (3) is provided with a positioning pin hole, the positioning pin (2) is provided with a cylinder (2-1) matched with the positioning pin hole, and the cylinder (2-1) is provided with a pin (2-2) extending out of the concave plane B.
5. The pressure spring plate bending die according to claim 3, wherein: the lower die (3) is provided with a positioning pin hole, the positioning pin (2) is provided with a cylinder (2-1) matched with the positioning pin hole, and a pin (2-2) extending out of the concave plane B is arranged on the cylinder (2-1).
6. The pressure spring bending die according to claim 1 or 2, wherein the angle α is 142 °, and the angle β is 130 °.
7. The spring press bending die of claim 3, wherein the angle α is 142 °, and the angle β is 130 °.
8. The spring press bending die of claim 4, wherein the angle α is 142 °, and the angle β is 130 °.
9. The spring press bending die of claim 5, wherein the angle α is 142 °, and the angle β is 130 °.
CN201911128161.8A 2019-11-18 2019-11-18 Press spring piece bending die Pending CN110802172A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911128161.8A CN110802172A (en) 2019-11-18 2019-11-18 Press spring piece bending die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911128161.8A CN110802172A (en) 2019-11-18 2019-11-18 Press spring piece bending die

Publications (1)

Publication Number Publication Date
CN110802172A true CN110802172A (en) 2020-02-18

Family

ID=69490382

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911128161.8A Pending CN110802172A (en) 2019-11-18 2019-11-18 Press spring piece bending die

Country Status (1)

Country Link
CN (1) CN110802172A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112775218A (en) * 2020-12-04 2021-05-11 上海航天设备制造总厂有限公司 Composite processing tool and method for forming and heat treating beryllium bronze reed

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2155490C (en) * 1994-08-08 2000-04-18 Andrew Balaity Bending instrument
CN102806272A (en) * 2011-05-30 2012-12-05 江苏振世达汽车模具有限公司 Crack-proof punch and die set for pressing V-shaped part
CN205386597U (en) * 2016-01-18 2016-07-20 旌德县华丰电子元件有限公司 Socket spring piece bending processing mould with mould position function in correction
CN105921619A (en) * 2016-06-01 2016-09-07 芜湖卓越空调零部件有限公司 Fracture-preventing one-step bending die
CN107282780A (en) * 2017-07-31 2017-10-24 昆山信杰汽车部件有限公司 The lower mould of one kind bending
CN108213210A (en) * 2018-03-26 2018-06-29 合肥工业大学 A kind of molding large plastometric set mold of complex section U-shaped board part, application method
CN208427630U (en) * 2018-07-13 2019-01-25 山西北方机械制造有限责任公司 A kind of bending die

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2155490C (en) * 1994-08-08 2000-04-18 Andrew Balaity Bending instrument
CN102806272A (en) * 2011-05-30 2012-12-05 江苏振世达汽车模具有限公司 Crack-proof punch and die set for pressing V-shaped part
CN205386597U (en) * 2016-01-18 2016-07-20 旌德县华丰电子元件有限公司 Socket spring piece bending processing mould with mould position function in correction
CN105921619A (en) * 2016-06-01 2016-09-07 芜湖卓越空调零部件有限公司 Fracture-preventing one-step bending die
CN107282780A (en) * 2017-07-31 2017-10-24 昆山信杰汽车部件有限公司 The lower mould of one kind bending
CN108213210A (en) * 2018-03-26 2018-06-29 合肥工业大学 A kind of molding large plastometric set mold of complex section U-shaped board part, application method
CN208427630U (en) * 2018-07-13 2019-01-25 山西北方机械制造有限责任公司 A kind of bending die

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112775218A (en) * 2020-12-04 2021-05-11 上海航天设备制造总厂有限公司 Composite processing tool and method for forming and heat treating beryllium bronze reed

Similar Documents

Publication Publication Date Title
CN107377781B (en) Non-contact bending sliding block structure
CN204584055U (en) Slot U-shaped folder bending die with flange
CN105834300A (en) Bending die of peripheral surrounding structure
CN102366790A (en) Bending die
CN110802172A (en) Press spring piece bending die
KR20110095748A (en) Oil pressure punch of more than two operate press mold
CN209664116U (en) A kind of bracket type asymmetric curvature mold
CN111774479B (en) Multifunctional bridge stamping die
CN205074396U (en) Multi -angle punching device
CN210497804U (en) Flat copper bar forming device
KR200461623Y1 (en) Fire door frame mold
CN214290671U (en) Bending forming punch and die for transition chain plate
CN104368699B (en) Left and right principal arm bar diel
CN211247975U (en) Aluminum profile bending die
CN109175176B (en) automobile parts and production process thereof
JP4376129B2 (en) Arc-shaped bending method and apparatus for metal plate
CN102896185B (en) Method for bending wave spring with concave hole
CN104668327A (en) Arc-shaped plate stamping method
CN213002225U (en) 180 degrees forming die of inflection
CN214516909U (en) Metal plate bending clamp
CN104368693A (en) U-shaped piece bending and correcting die
CN113953356B (en) Bending die for punching double-peak piece by using swing punch and working method thereof
CN205551390U (en) High accuracy casting mould
CN218835721U (en) Novel wave spring forming die
CN215902504U (en) Plate bending tool

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20200218