CN113333649A - Forming process and forming tool for spring with hook - Google Patents
Forming process and forming tool for spring with hook Download PDFInfo
- Publication number
- CN113333649A CN113333649A CN202110639929.9A CN202110639929A CN113333649A CN 113333649 A CN113333649 A CN 113333649A CN 202110639929 A CN202110639929 A CN 202110639929A CN 113333649 A CN113333649 A CN 113333649A
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- China
- Prior art keywords
- knife
- plate
- hook
- horizontal
- spring
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F35/00—Making springs from wire
- B21F35/02—Bending or deforming ends of coil springs to special shape
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wire Processing (AREA)
- Springs (AREA)
Abstract
The invention discloses a forming process of a spring with a hook and a forming tool thereof. The forming tool comprises a positioning knife and a corner folding knife; the positioning knife comprises a horizontal plate and two vertical plates, a rectangular notch is formed in the end portion of the horizontal plate, and the two vertical plates are parallel to each other and vertically arranged on the edges of the two sides of the horizontal plate; the angle folding knife is composed of a horizontal rectangular plate and two plate blocks vertically connected with the horizontal rectangular plate, the two plate blocks vertically connected with the horizontal rectangular plate are mutually vertically connected, and the horizontal rectangular plate of the angle folding knife is matched with a rectangular notch positioned at the end part in shape. The forming process of the hooked spring utilizes the positioning knife to position the tension spring, and then the bevel knife moves upwards, so that the drag hook of the hooked tension spring is formed in a natural bevel mode.
Description
Technical Field
The invention relates to a forming process of a spring with a hook and a forming tool thereof.
Background
For a tension spring with a hook, the width and the height of a hook body of the tension spring are required to be consistent with the size of the outer diameter wound by the tension spring, and the intermittence requirement of the head of the tension spring hook is less than one half of the wire diameter of a wire; the draw hook machine requiring the tension spring cannot be directly molded, at present, the draw hook is prefabricated and molded by using tools through manpower, the method is low in production efficiency and unstable in size, the manpower requirement is large under the condition of mass production, and the cost is high.
Disclosure of Invention
The invention aims to provide a forming process and a forming tool for a hooked spring, and aims to solve the problems.
In order to achieve the purpose, the technical scheme of the invention is to design a forming tool with a hook spring, which comprises a positioning knife and a corner folding knife; the positioning knife comprises a horizontal plate and two vertical plates, a rectangular notch is formed in the end portion of the horizontal plate, and the two vertical plates are parallel to each other and vertically arranged on the edges of the two sides of the horizontal plate; the angle folding knife is composed of a horizontal rectangular plate and two plate blocks vertically connected with the horizontal rectangular plate, the two plate blocks vertically connected with the horizontal rectangular plate are mutually vertically connected, and the horizontal rectangular plate of the angle folding knife is matched with a rectangular notch positioned at the end part in shape.
A forming process of a hooked spring comprises the following steps:
step one, taking an un-folded hook tension spring, and attaching the top of the un-folded hook tension spring to the lower part of the end part of a horizontal plate of a positioning knife, so that a hook of the un-folded hook tension spring is exposed at a rectangular notch of the positioning knife;
secondly, horizontally and tangentially positioning a rectangular notch of the knife by a horizontal rectangular plate of the angle folding knife; so that the horizontal rectangular plate of the angle folding knife extrudes the hook of the hook tension spring which is not folded to be folded upwards.
The invention has the advantages and beneficial effects that: according to the forming process and the forming tool for the hooked spring, after the tension spring is well positioned by the positioning knife, the angle folding knife moves upwards, so that the drag hook with the hooked tension spring is formed in a natural angle folding mode.
Drawings
FIG. 1 is a schematic view of an un-dog angle hooked tension spring.
FIG. 2 is a schematic diagram of a first step of a forming process of a hooked spring.
FIG. 3 is a schematic diagram of a second step of the forming process of the hooked spring.
Fig. 4 is a schematic view of a hook extension spring forming a dog-ear.
Wherein, location sword 1, angle sword 2, take hook extension spring 3.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example (b):
a forming tool with a hook spring comprises a positioning knife 1 and a bevel knife 2; the positioning knife 1 is composed of a horizontal plate and two vertical plates, a rectangular notch is formed in the end portion of the horizontal plate, and the two vertical plates are parallel to each other and vertically arranged on the edges of the two sides of the horizontal plate; the angle folding knife 2 is composed of a horizontal rectangular plate and two plate blocks vertically connected with the horizontal rectangular plate, the two plate blocks vertically connected with the horizontal rectangular plate are vertically connected with each other, and the horizontal rectangular plate of the angle folding knife 2 is matched with a rectangular notch positioned at the end part of the angle folding knife 1 in shape.
A forming process of a hooked spring comprises the following steps:
step one, taking an un-folded hook tension spring 3, and attaching the top of the un-folded hook tension spring 3 to the lower part of the end part of a horizontal plate of the positioning knife 1, so that a hook of the un-folded hook tension spring 3 is exposed at a rectangular notch of the positioning knife 1;
secondly, horizontally and tangentially positioning a horizontal rectangular plate of the angle folding knife 2 at a rectangular notch of the knife 1; so that the horizontal rectangular plate of the angle folding knife 2 extrudes the hook of the hook tension spring 3 which is not folded upwards.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. A forming process of a hook spring is characterized by comprising the following steps:
step one, taking an un-folded hook tension spring, and attaching the top of the un-folded hook tension spring to the lower part of the end part of a horizontal plate of a positioning knife, so that a hook of the un-folded hook tension spring is exposed at a rectangular notch of the positioning knife;
secondly, horizontally and tangentially positioning a rectangular notch of the knife by a horizontal rectangular plate of the angle folding knife; so that the horizontal rectangular plate of the angle folding knife extrudes the hook of the hook tension spring which is not folded to be folded upwards;
after the tension spring is positioned by the positioning knife, the angle folding knife moves upwards, so that the drag hook with the hook tension spring is formed by natural angle folding.
2. The forming process of the hooked spring forming tool according to claim 1, characterized in that: comprises a positioning knife and a corner folding knife; the positioning knife is composed of a horizontal plate and two vertical plates, a rectangular notch is formed in the end portion of the horizontal plate, the two vertical plates are parallel to each other and are vertically arranged on the edges of the two sides of the horizontal plate.
3. The hooked spring forming tool according to claim 2, characterized in that: the angle folding knife is composed of a horizontal rectangular plate and two plate blocks vertically connected with the horizontal rectangular plate, the two plate blocks vertically connected with the horizontal rectangular plate are mutually vertically connected, and the horizontal rectangular plate of the angle folding knife is matched with a rectangular notch positioned at the end part in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110639929.9A CN113333649A (en) | 2019-04-24 | 2019-04-24 | Forming process and forming tool for spring with hook |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910333719.XA CN110216231A (en) | 2019-04-24 | 2019-04-24 | A kind of band hooks the moulding process and its forming frock of spring |
| CN202110639929.9A CN113333649A (en) | 2019-04-24 | 2019-04-24 | Forming process and forming tool for spring with hook |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910333719.XA Division CN110216231A (en) | 2019-04-24 | 2019-04-24 | A kind of band hooks the moulding process and its forming frock of spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113333649A true CN113333649A (en) | 2021-09-03 |
Family
ID=67819946
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910333719.XA Pending CN110216231A (en) | 2019-04-24 | 2019-04-24 | A kind of band hooks the moulding process and its forming frock of spring |
| CN202110639929.9A Pending CN113333649A (en) | 2019-04-24 | 2019-04-24 | Forming process and forming tool for spring with hook |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910333719.XA Pending CN110216231A (en) | 2019-04-24 | 2019-04-24 | A kind of band hooks the moulding process and its forming frock of spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN110216231A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE438003C (en) * | 1926-12-02 | Ernst Klinkmann | Device for bending eyelets on tension springs | |
| CN205128805U (en) * | 2015-10-27 | 2016-04-06 | 亿祥五金弹簧（昆山）有限公司 | Morally formula catches hold of extension spring molding cutting tool/molding cutter with a hook |
| CN207402041U (en) * | 2017-09-30 | 2018-05-25 | 卡塔罗精密部件（苏州）有限公司 | A kind of English tension spring drag hook forming frock |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB238776A (en) * | 1925-01-26 | 1925-08-27 | Ernst Klinkmann | Apparatus for bending loops on tension springs |
| TW339702U (en) * | 1997-03-31 | 1998-09-01 | Foremost Machinery Co Ltd | Spring hook ring forming clamp |
| CN206425459U (en) * | 2016-11-28 | 2017-08-22 | 内蒙古一机集团路通弹簧有限公司 | Carbine brake forming frock |
| CN208050828U (en) * | 2018-02-09 | 2018-11-06 | 浙江兰菱机械有限公司 | A kind of spring punching hook equipment |
| CN109226605A (en) * | 2018-10-14 | 2019-01-18 | 南京弹簧有限公司 | A kind of forming frock of tension spring drag hook |
-
2019
- 2019-04-24 CN CN201910333719.XA patent/CN110216231A/en active Pending
- 2019-04-24 CN CN202110639929.9A patent/CN113333649A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE438003C (en) * | 1926-12-02 | Ernst Klinkmann | Device for bending eyelets on tension springs | |
| CN205128805U (en) * | 2015-10-27 | 2016-04-06 | 亿祥五金弹簧（昆山）有限公司 | Morally formula catches hold of extension spring molding cutting tool/molding cutter with a hook |
| CN207402041U (en) * | 2017-09-30 | 2018-05-25 | 卡塔罗精密部件（苏州）有限公司 | A kind of English tension spring drag hook forming frock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110216231A (en) | 2019-09-10 |
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