CN109382473B - Stamping tool for semicircular arc parts on middle part and torsion arms at two ends of compound torsion spring - Google Patents
Stamping tool for semicircular arc parts on middle part and torsion arms at two ends of compound torsion spring Download PDFInfo
- Publication number
- CN109382473B CN109382473B CN201811527283.XA CN201811527283A CN109382473B CN 109382473 B CN109382473 B CN 109382473B CN 201811527283 A CN201811527283 A CN 201811527283A CN 109382473 B CN109382473 B CN 109382473B
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- female die
- die
- torsion spring
- groove
- semicircular arc
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- 150000001875 compounds Chemical class 0.000 title abstract description 22
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000004080 punching Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
- Springs (AREA)
Abstract
The invention discloses a stamping tool for semicircular arc parts on the middle part and two torsion arms of a compound torsion spring, wherein the stamping device for semicircular arc parts on the middle part and the two torsion arms of the compound torsion spring comprises a female die and a male die, the female die is provided with a convex part, the convex part is fixedly connected with the female die and is positioned at the center of the end face of the female die, the convex part is provided with a groove, the groove is positioned at one side far away from the female die, the male die is positioned above the female die, the male die is provided with a bulge, the bulge and the male die are integrally formed and positioned at one side close to the female die and are matched with the groove, and one die is used for stamping semicircular arc parts with the same shape and size at different positions of the torsion spring, so that the size and the shape of the torsion spring coil are prevented from being inconsistent, and the torque accuracy is improved.
Description
Technical Field
The invention relates to the technical field of torsion spring manufacturing, in particular to a stamping tool for semicircular arc parts on torsion arms at the middle part and two ends of a duplex torsion spring.
Background
The torsion spring can store and release angular energy or statically secure a device by rotating the arm about the central axis of the spring body. The ends of the torsion springs are secured to other components which pull them back to their original position as they rotate about the spring center, creating a torque or rotational force.
The manufacture of the semicircular arc parts on the middle part and the torsion arms at the two ends of the existing compound torsion spring is to sleeve the simple-shaped die in the torsion arm ring, finish the manufacture of the shape and the size by using a vice or a clamp, and manually manufacture, wherein the shape and the size are difficult to control, the size of the torsion arm is easy to be inconsistent with the size of the relative position of the spring coil, the torque accuracy is reduced, and the steel wire is easy to be damaged.
Disclosure of Invention
The invention aims to provide a stamping tool for semicircular arc parts on the middle part and two ends of a compound torsion spring, and aims to solve the problems that the sizes and the shapes of torsion arms are inconsistent with the relative position sizes of coils and the accuracy of torque is reduced because the semicircular arc parts on the middle part and the two ends of the torsion spring are manually manufactured by using a vice or a clamp.
In order to achieve the above object, the present invention provides a stamping tool for a semicircular arc portion on a middle part and two torsion arms of a compound torsion spring, where the stamping device for the semicircular arc portion on the middle part and two torsion arms of the compound torsion spring includes a female die and a male die, the female die has a protrusion fixedly connected with the female die and located at a center position of an end face of the female die, the protrusion has a groove, the groove is located at a side far from the female die, the male die is located above the female die, the male die has a protrusion, the protrusion is integrally formed with the male die and located at a side near the female die and is adapted to the groove, the female die further has two moving grooves, the number of the moving grooves is located at two sides of the protrusion and is relatively arranged, and the stamping device further includes two adjusting pieces, the number of the adjusting pieces is two and is relatively arranged with the two moving grooves.
The adjusting piece comprises a T-shaped bolt, a first nut and a second nut, wherein the T-shaped bolt is provided with a transverse portion and a vertical portion, the transverse portion and the vertical portion are integrally formed, the vertical portion is located in the movable groove and extends to the upper portion of the female die, the transverse portion is fixedly connected with the female die and located below the female die, and the first nut and the second nut are in threaded connection with the vertical portion and are sequentially located above the female die from bottom to top.
The stamping device further comprises a locating plate, wherein the locating plate is in threaded connection with the female die, located on the adjacent surface of the groove and arranged opposite to the male die.
The stamping device further comprises two positioning shafts, wherein the two positioning shafts are fixedly connected with the positioning plate, are positioned on two sides of the male die and are mutually resisted.
The stamping device further comprises an anti-slip pad, wherein the anti-slip pad is fixedly connected with the male die and is positioned on one side, away from the protrusion, of the male die.
According to the stamping device for the semicircular arc parts on the middle part and the torsion arms at the two ends of the compound torsion spring, the concave die is provided with the protruding parts, the protruding parts are fixedly connected with the concave die and are positioned at the center of the end face of the concave die, the protruding parts are provided with the grooves, the grooves are positioned at one side far away from the concave die, the convex die is positioned above the concave die, the convex die is provided with the protrusions, the protrusions and the convex die are integrally formed and positioned at one side close to the concave die and are matched with the grooves, and one die is used for stamping semicircular arc parts with the same shape and size for different positions of the torsion spring, so that the sizes and the shapes of the torsion arms are not consistent with the sizes of the relative positions of coils, and the torque accuracy is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a stamping apparatus of the present invention;
FIG. 2 is a top view of a stamping center torsion arm of the stamping apparatus of the present invention;
FIG. 3 is a top view of a stamping device of the present invention stamping two end torque arms;
in the figure: 100-stamping device, 1-die, 2-punch, 3-adjusting piece, 4-locating plate, 5-locating shaft, 11-boss, 12-moving groove, 21-boss, 31-T bolt, 32-first nut, 33-second nut, 111-groove, 311-transverse portion, 312-vertical portion.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, in the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 to 3, the present invention provides a stamping tool 100 for a half-arc portion on a torsion arm at the middle and two ends of a compound torsion spring, where the stamping device 100 for a half-arc portion on a torsion arm at the middle and two ends of a compound torsion spring includes a die 1 and a punch 2, the die 1 has a protrusion 11, the protrusion 11 is fixedly connected with the die 1 and is located at the center of an end surface of the die 1, the protrusion 11 has a groove 111, the groove 111 is located at a side far from the die 1, the punch 2 is located above the die 1, the punch 2 has a protrusion 21, and the protrusion 21 is integrally formed with the punch 2 and is located at a side near the die 1 and is adapted to the groove 111.
In this embodiment, the compound torsion spring includes semicircle body, two first semicircle portions, two connecting portions, two spring coils and two second semicircle portions, two first semicircle portion one end respectively with semicircle body connects, and towards same direction, the other end respectively with two connecting portion's one end is connected, two first semicircle portion and two connecting portion constitute respectively two middle part torsion arms, two connecting portion's the other end inwards extends, and respectively with two spring coils are connected, two semicircle portion one end respectively with two spring coils is connected, and follows middle part torsion arm opposite direction stretches out, and the other end is the free end, two second semicircle portion is two outer end torsion arms. The female die 1 is provided with a protruding portion 11, the protruding portion 11 is fixedly connected with the female die 1 and located at the center of the end face of the female die 1, the protruding portion 11 is higher than the surface of the female die 1, stress is facilitated, and therefore punching of the male die 2 on the semicircular arc portions on the middle portion of the compound torsion spring and torsion arms at two ends is facilitated. The protruding portion 11 is provided with a groove 111, the groove 111 is located at one side far away from the female die 1, the shape and the size of the groove 111 are consistent with those of the two first semicircular arc portions on the middle portion and the two ends of the duplex torsion spring, the middle torsion arm of the duplex torsion spring is placed on the groove 111, the male die 2 is moved downwards by a tool until the protruding portion 21 is matched with the groove 111 and is located in the groove 111, so that the semicircular arc portions are punched, the middle torsion arm on the other side of the duplex torsion spring is punched, and all the middle torsion arm positions of the duplex torsion spring are punched. The compound torsion spring is coiled by using other tools to manufacture a spring ring of the compound torsion spring, the torsion arm positions at the two ends of the compound torsion spring are placed in the groove 111, the above operation is repeated, and the punching of the semicircular arc parts of the torsion arms at the two ends is realized.
According to the stamping device 100 for the semicircular arc parts on the middle part and the torsion arms at the two ends of the compound torsion spring, the concave die 1 is provided with the protruding part 11, the protruding part 11 is fixedly connected with the concave die 1 and is positioned at the center of the end face of the concave die 1, the protruding part 11 is provided with the groove 111, the groove 111 is positioned at one side far away from the concave die 1, the convex die 2 is positioned above the concave die 1, the convex die 2 is provided with the protruding part 21, the protruding part 21 and the convex die 2 are integrally formed and are positioned at one side close to the concave die 1 and are matched with the groove 111, and one die is used for stamping semicircular arc parts with the same shape and size for different positions of the torsion spring, so that the size and the shape of the torsion spring coil are prevented from being inconsistent, and the torque accuracy is improved.
Further, the female die 1 further has two moving grooves 12, and the moving grooves 12 are respectively located at two sides of the protruding portion 11 and are disposed opposite to each other. The stamping device 100 further comprises two adjusting pieces 3, the two adjusting pieces 3 are respectively opposite to the two moving grooves 12, the adjusting pieces 3 comprise a T-shaped bolt 31, a first nut 32 and a second nut 33, the T-shaped bolt 31 is provided with a transverse portion 311 and a vertical portion 312, the transverse portion 311 and the vertical portion 312 are integrally formed, the vertical portion 312 is located in the moving grooves 12 and extends to the upper portion of the female die 1, the transverse portion 311 is fixedly connected with the female die 1 and located below the female die 1, and the first nut 32 and the second nut 33 are in threaded connection with the vertical portion 312 and are located above the female die 1 sequentially from bottom to top. In this embodiment, the cooperation between the transverse portion 311 and the first nut 32 may fix the vertical portion 312 in the moving groove 12 and above the female die 1, place one end of the compound torsion spring on the end surface of the first nut 32 facing away from the female die 1, twist the first nut 32, clamp the compound torsion spring, and fix the compound torsion spring, so as to prevent the compound torsion spring from being displaced when punching the first semicircular arc portion and the second semicircular arc portion on the middle and both ends of the compound torsion spring, and improve accuracy of punching positions.
Further, the stamping device 100 further includes a positioning plate 4, where the positioning plate 4 is in threaded connection with the female die 1, is located on a surface adjacent to the groove 111, and is disposed opposite to the male die 2. The stamping device 100 further comprises two positioning shafts 5, and the two positioning shafts 5 are fixedly connected with the positioning plate 4, positioned at two sides of the male die 2 and mutually resisting. In this embodiment, the female die 1 has a plurality of threaded holes, the plurality of threaded holes are equidistantly disposed on the connecting end surface of the positioning plate 4, and the height of the positioning plate 4 on the end surface of the female die 1 can be adjusted by screws. The two positioning shafts 5 have guiding function, so that the protrusions 21 are driven by the male die 2 to move up and down, and accuracy of stamping positions is facilitated.
The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present invention.
Claims (1)
1. A stamping tool for semicircular arc parts on the middle part and two ends of a duplex torsion spring is characterized in that,
comprises a female die and a male die, wherein the female die is provided with a convex part which is fixedly connected with the female die and is positioned at the center of the end face of the female die, the convex part is provided with a groove which is positioned at one side far away from the female die, the male die is positioned above the female die and is provided with a bulge which is integrally formed with the male die and is positioned at one side close to the female die and is matched with the groove, the female die is also provided with two moving grooves which are respectively positioned at two sides of the convex part and are oppositely arranged, the stamping tool also comprises an adjusting part which comprises a T-shaped bolt, a first nut and a second nut, the T-shaped bolt is provided with a transverse part and a vertical part, the transverse part and the vertical part are integrally formed, the vertical part is positioned in the movable groove and extends to the upper part of the female die, the transverse part is fixedly connected with the female die and positioned below the female die, the first nut and the second nut are in threaded connection with the vertical part and are sequentially positioned above the female die from bottom to top, the number of the adjusting parts is two and are respectively arranged opposite to the two movable grooves, the stamping tool further comprises a positioning plate which is in threaded connection with the female die and is positioned on the adjacent surface of the groove and is opposite to the male die, the stamping tool further comprises positioning shafts, and the number of the positioning shafts is two and is fixedly connected with the positioning plate and positioned on two sides of the male die and resists each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811527283.XA CN109382473B (en) | 2018-12-13 | 2018-12-13 | Stamping tool for semicircular arc parts on middle part and torsion arms at two ends of compound torsion spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811527283.XA CN109382473B (en) | 2018-12-13 | 2018-12-13 | Stamping tool for semicircular arc parts on middle part and torsion arms at two ends of compound torsion spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109382473A CN109382473A (en) | 2019-02-26 |
| CN109382473B true CN109382473B (en) | 2023-10-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811527283.XA Active CN109382473B (en) | 2018-12-13 | 2018-12-13 | Stamping tool for semicircular arc parts on middle part and torsion arms at two ends of compound torsion spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109382473B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203030775U (en) * | 2012-11-23 | 2013-07-03 | 东风汽车电子有限公司 | Universal fixture for part flanging and pressing rivet |
| CN103433380A (en) * | 2013-08-02 | 2013-12-11 | 龚志辉 | Raised forming method of drawing mould of automobile panel |
| CN204209005U (en) * | 2014-11-15 | 2015-03-18 | 福建永行工贸有限公司 | Tyre rim quick die change device |
| CN206215753U (en) * | 2016-11-11 | 2017-06-06 | 重庆厚辉汽车配件有限公司 | The decompressor of leaf spring |
| CN208195443U (en) * | 2018-03-13 | 2018-12-07 | 青岛鑫驿金属制品有限公司 | Plate stamping machine |
| CN108941329A (en) * | 2018-07-02 | 2018-12-07 | 河南宏源车轮股份有限公司 | A kind of punch die structure and its process for stamping |
| CN209502851U (en) * | 2018-12-13 | 2019-10-18 | 重庆望江工业有限公司 | A kind of stamping device at compound torsional spring middle part and the semicircle arc portion in the torque arm of both ends |
-
2018
- 2018-12-13 CN CN201811527283.XA patent/CN109382473B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203030775U (en) * | 2012-11-23 | 2013-07-03 | 东风汽车电子有限公司 | Universal fixture for part flanging and pressing rivet |
| CN103433380A (en) * | 2013-08-02 | 2013-12-11 | 龚志辉 | Raised forming method of drawing mould of automobile panel |
| CN204209005U (en) * | 2014-11-15 | 2015-03-18 | 福建永行工贸有限公司 | Tyre rim quick die change device |
| CN206215753U (en) * | 2016-11-11 | 2017-06-06 | 重庆厚辉汽车配件有限公司 | The decompressor of leaf spring |
| CN208195443U (en) * | 2018-03-13 | 2018-12-07 | 青岛鑫驿金属制品有限公司 | Plate stamping machine |
| CN108941329A (en) * | 2018-07-02 | 2018-12-07 | 河南宏源车轮股份有限公司 | A kind of punch die structure and its process for stamping |
| CN209502851U (en) * | 2018-12-13 | 2019-10-18 | 重庆望江工业有限公司 | A kind of stamping device at compound torsional spring middle part and the semicircle arc portion in the torque arm of both ends |
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| Publication number | Publication date |
|---|---|
| CN109382473A (en) | 2019-02-26 |
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