CN217121604U - Forming tool for double-strand tension spring - Google Patents
Forming tool for double-strand tension spring Download PDFInfo
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- CN217121604U CN217121604U CN202123299678.9U CN202123299678U CN217121604U CN 217121604 U CN217121604 U CN 217121604U CN 202123299678 U CN202123299678 U CN 202123299678U CN 217121604 U CN217121604 U CN 217121604U
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- tension spring
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- spring fixing
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Abstract
The utility model provides a forming tool for a double-strand tension spring, which comprises a bottom plate, wherein a first tension spring fixing block, a second tension spring fixing block, a tension spring positioning block, an R forming block and a rotating handle are connected on the upper end surface of the bottom plate, the first tension spring fixing block and the second tension spring fixing block are arranged at intervals, the opposite sides of the first tension spring fixing block and the second tension spring fixing block are parallel to each other, the R forming block is positioned on the right side of the first tension spring fixing block, and the left side surface of the R forming block is parallel to and closely adjacent to the right side surface of the first tension spring fixing block; the tension spring positioning block is positioned between the first tension spring fixing block and the second tension spring fixing block, the right end face of the tension spring positioning block is in butt joint with the left end face of the R forming block, a plurality of convex strips extending upwards are arranged on the upper end face of the tension spring positioning block at intervals, and the convex strips are parallel to the right side face of the tension spring positioning block; the rotating handle is rotatably connected with the bottom plate. The utility model discloses a two-strand extension spring shaping frock simple structure can make up two single strand extension springs into two-strand extension spring fast.
Description
Technical Field
The utility model relates to a technical field is made to the extension spring, concretely relates to shaping frock of bifilar extension spring.
Background
At present, tension springs in the industry are all formed by single-strand materials, because equipment molds can only penetrate through a material and double-strand materials, the tension springs cannot be formed, but the force value of the single-strand springs cannot be achieved under the condition of the same wire diameter, and if a large wire diameter is used, the tension springs are too heavy and influence the appearance, so that the tension springs similar to double strands are particularly important.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a shaping frock of bifilar extension spring.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a forming tool for a double-strand tension spring comprises a bottom plate, wherein a first tension spring fixing block, a second tension spring fixing block, a tension spring positioning block, an R forming block and a rotating handle are connected to the upper end face of the bottom plate, the first tension spring fixing block and the second tension spring fixing block are arranged at intervals, opposite side faces of the first tension spring fixing block and the second tension spring fixing block are parallel to each other, the R forming block is located on the right side of the first tension spring fixing block, the left side face of the R forming block is parallel to and closely adjacent to the right side face of the first tension spring fixing block, and the front end face of the R forming block extends to the plane where the front end face of the tension spring positioning block is located; the tension spring positioning block is positioned between the first tension spring fixing block and the second tension spring fixing block, the right end face of the tension spring positioning block is in butt joint with the left end face of the R forming block, a plurality of convex strips extending upwards are arranged on the upper end face of the tension spring positioning block at intervals, the convex strips extend from the front end face to the rear end face of the tension spring positioning block, the convex strips are parallel to the right side face of the tension spring positioning block, and the vertical distance between every two adjacent convex strips is the same as the diameter of the tension spring steel wire; the rotating handle comprises a handle, a rotating plate is integrally formed at one end of the handle, a fixed rod and a bending rod are arranged on the rotating plate in a penetrating mode, and the fixed rod is rotatably connected with the bottom plate.
Furthermore, be equipped with a fixed through hole on the bottom plate, fixed through hole is located the rear side of first extension spring fixed block, the lower extreme and the fixed through hole rotatable coupling of dead lever.
Furthermore, the right side of the first tension spring fixing block is an inclined plane inclined to the left.
Furthermore, the cross section of the tension spring positioning block is a parallelogram, and the right side face of the tension spring positioning block, the inclination direction and the angle of which are the same as those of the tension spring steel wire, is in parallel butt joint with the left side face of the R forming block.
Further, the right flank of second extension spring fixed block and the right flank dislocation set of extension spring locating piece, the right flank of second extension spring fixed block is located the left side of the right flank of extension spring locating piece, second extension spring fixed block right flank include with its rear end face vertically vertical portion and rake, vertical position is close to first extension spring fixed block one side, the place ahead of rake is arranged in to the pole of buckling.
Furthermore, the vertical distance between the first tension spring fixing block and the second tension spring fixing block is the same as the outer diameter of the tension spring, the width of the tension spring positioning block is smaller than the vertical distance between the first tension spring fixing block and the second tension spring fixing block, and the front end face of the tension spring positioning block is butted with the rear end face of the second tension spring fixing block.
Furthermore, the upper end face of the second tension spring fixing block and the upper end face of the R forming block are located in the same plane, and the upper end face of the tension spring positioning block is lower than the upper end face of the second tension spring fixing block.
Furthermore, the number of sand grip is two, is located the right side of extension spring fixed block up end, and the vertical distance that is located between sand grip and the extension spring fixed block right flank on right side is the same with the diameter of extension spring steel wire.
Furthermore, first extension spring fixed block, second extension spring fixed block and R become the shaping piece and all can dismantle with the bottom plate through the screw and be connected.
Furthermore, the bottom plate is provided with an embedded groove matched with the shape of the tension spring positioning block, and the tension spring positioning block is embedded in the embedded groove.
The utility model discloses a two-strand extension spring's shaping frock, the semi-manufactured goods that forms is inlayed together two single strand extension springs and is placed on this shaping frock, then utilize the pole of buckling to have the not shaping ear at semi-manufactured goods both ends perpendicular to the extension spring body to buckle into with the central line axis parallel position of extension spring body; use the utility model discloses a frock can be perfect with the product shaping, has compensatied the shortcoming that the board can not the fashioned regret to thereby can avoid the product scar to be favorable to product fatigue strength.
Drawings
Fig. 1 is a schematic structural view of a forming tool for a two-strand tension spring according to the present invention in a top view;
fig. 2 is a front view of the tension spring positioning block of the present invention;
fig. 3 is a top view of the bottom plate of the present invention;
fig. 4 is a front view of a tension spring semi-finished product composed of two single-stranded tension springs according to the present invention;
fig. 5 is a schematic view of the tension spring finished product structure of the present invention.
The bending device comprises a base plate 1, a first tension spring fixing block 2, a second tension spring fixing block 3, a tension spring positioning block 4, a forming block 5-R, a rotating handle 6, a fixing through hole 11, a caulking groove 12, a convex strip 41, a handle 61, a rotating plate 62, a fixing rod 63 and a bending rod 64.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-5, a forming tool for a double-strand tension spring comprises a base plate 1, wherein a first tension spring fixing block 2, a second tension spring fixing block 3, a tension spring positioning block 4, an R forming block 5 and a rotating handle are connected to the upper end surface of the base plate 1, the first tension spring fixing block 2, the second tension spring fixing block 3 and the R forming block 5 are detachably connected to the base plate 1 through screws, an embedded groove 12 matched with the tension spring positioning block 4 in shape is formed in the base plate 1, the tension spring positioning block 4 is embedded in the embedded groove 12, the upper end surface of the second tension spring fixing block 3 and the upper end surface of the R forming block 5 are located in the same plane, and the upper end surface of the tension spring positioning block 4 is lower than the upper end surface of the second tension spring fixing block 3; the first tension spring fixing block 2 and the second tension spring fixing block 3 are arranged at intervals, opposite side surfaces of the first tension spring fixing block 2 and the second tension spring fixing block 3 are parallel to each other, the right side surface of the first tension spring fixing block 2 is an inclined surface inclined to the left, the R forming block 5 is located on the right side of the first tension spring fixing block 2, the left side surface of the R forming block 5 is parallel to and closely adjacent to the right side surface of the first tension spring fixing block 2, and the front end surface of the R forming block 5 extends to the plane where the front end surface of the tension spring positioning block 4 is located; the vertical distance between the first tension spring fixing block 2 and the second tension spring fixing block 3 is the same as the outer diameter of the tension spring 6, the width of the tension spring positioning block 4 is smaller than the vertical distance between the first tension spring fixing block 2 and the second tension spring fixing block 3, and the front end face of the tension spring positioning block 4 is butted with the rear end face of the second tension spring fixing block 3; the cross section of the tension spring positioning block 4 is a parallelogram, the inclination direction and the angle of the tension spring positioning block are the same as those of the tension spring steel wire, the right side surface of the tension spring positioning block 4 is in parallel butt joint with the left side surface of the R forming block 5, the tension spring positioning block 4 is positioned between the first tension spring fixing block 2 and the second tension spring fixing block 3, the right side end surface of the tension spring positioning block 4 is in butt joint with the left side end surface of the R forming block 5, two convex strips 41 extending upwards are arranged on the upper end face of the tension spring positioning block 4 at intervals, the convex strips 41 are positioned on the right side of the upper end face of the tension spring fixing block 4, the vertical distance between the convex strips 41 positioned on the right side and the right side face of the tension spring fixing block 4 is the same as the diameter of the steel wire of the tension spring 6, the convex strips 41 are positioned by the tension spring, the front end face of the positioning block 4 extends to the rear end face, the convex strips 41 are parallel to the right side face of the positioning block 4, and the vertical distance between every two adjacent convex strips 41 is the same as the diameter of the tension spring steel wire; rotating handle includes handle 61 the one end integrated into one piece of handle 61 has rotor plate 62 wear to be equipped with a dead lever 63 and a pole 64 of buckling on the rotor plate 62, dead lever 63 and 1 rotatable coupling of bottom plate be equipped with a fixing hole 11 on the bottom plate 1, and fixing hole 11 is located the rear side of first extension spring fixed block 2, the lower extreme and the 11 rotatable coupling of fixing hole of dead lever 63, the right flank of second extension spring fixed block 3 and the right flank dislocation set of extension spring locating piece 4, the right flank of second extension spring fixed block 3 are located the left side of the right flank of extension spring locating piece 4, and 3 right flanks of second extension spring fixed block include with its rear end face vertically vertical portion 31 and rake 32, vertical portion 31 is located and is close to first extension spring fixed block 2 one side, buckle the pole 64 and arrange the place ahead of rake 32 in.
Those of ordinary skill in the art will understand that: the above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The forming tool for the double-strand tension spring is characterized by comprising a bottom plate, wherein a first tension spring fixing block, a second tension spring fixing block, a tension spring positioning block, an R forming block and a rotating handle are connected to the upper end face of the bottom plate, the first tension spring fixing block and the second tension spring fixing block are arranged at intervals, opposite side faces of the first tension spring fixing block and the second tension spring fixing block are parallel to each other, the R forming block is located on the right side of the first tension spring fixing block, the left side face of the R forming block is parallel to and closely adjacent to the right side face of the first tension spring fixing block, and the front end face of the R forming block extends to the plane where the front end face of the tension spring positioning block is located; the tension spring positioning block is positioned between the first tension spring fixing block and the second tension spring fixing block, the right end face of the tension spring positioning block is in butt joint with the left end face of the R forming block, a plurality of convex strips extending upwards are arranged on the upper end face of the tension spring positioning block at intervals, the convex strips extend from the front end face to the rear end face of the tension spring positioning block, the convex strips are parallel to the right side face of the tension spring positioning block, and the vertical distance between every two adjacent convex strips is the same as the diameter of the tension spring steel wire; the rotating handle comprises a handle, a rotating plate is integrally formed at one end of the handle, a fixed rod and a bending rod are arranged on the rotating plate in a penetrating mode, and the fixed rod is rotatably connected with the bottom plate.
2. The tooling for forming the bifilar tension spring as claimed in claim 1, wherein a fixing through hole is formed in the bottom plate, the fixing through hole is located on the rear side of the first tension spring fixing block, and the lower end of the fixing rod is rotatably connected with the fixing through hole.
3. The tool for forming the bifilar tension spring as claimed in claim 2, wherein the right side surface of the first tension spring fixing block is an inclined surface inclined to the left.
4. The tooling of claim 3, wherein the cross section of the tension spring positioning block is a parallelogram, and the right side of the tension spring positioning block and the left side of the R forming block are in parallel butt joint, the inclination direction and the angle of the parallelogram are the same as those of the tension spring steel wire.
5. The forming tool for the double-strand tension spring as claimed in claim 1, wherein the right side surface of the second tension spring fixing block and the right side surface of the tension spring positioning block are arranged in a staggered manner, the right side surface of the second tension spring fixing block is located on the left side of the right side surface of the tension spring positioning block, the right side surface of the second tension spring fixing block comprises a vertical portion and an inclined portion perpendicular to the rear end surface of the vertical portion, the vertical portion is located on one side close to the first tension spring fixing block, and the bending rod is arranged in front of the inclined portion.
6. The tooling for forming the bifilar tension spring as claimed in claim 1, wherein a vertical distance between the first tension spring fixing block and the second tension spring fixing block is the same as an outer diameter of the tension spring, a width of the tension spring positioning block is smaller than a vertical distance between the first tension spring fixing block and the second tension spring fixing block, and a front end face of the tension spring positioning block is butted with a rear end face of the second tension spring fixing block.
7. The tooling of claim 1, wherein the upper end surface of the second tension spring fixing block and the upper end surface of the R-shaped forming block are located on the same plane, and the upper end surface of the tension spring positioning block is lower than the upper end surface of the second tension spring fixing block.
8. The forming tool for the bifilar tension spring as claimed in claim 1, wherein the number of the protruding strips is two, the protruding strips are located on the right side of the upper end face of the tension spring fixing block, and the vertical distance between the protruding strips located on the right side and the right side face of the tension spring fixing block is the same as the diameter of the tension spring steel wire.
9. The forming tool for the bifilar tension spring as claimed in claim 1, wherein the first tension spring fixing block, the second tension spring fixing block and the R forming block are detachably connected with the bottom plate through screws.
10. The tooling for forming the bifilar tension spring as claimed in claim 1, wherein the bottom plate is provided with an embedding groove matched with the shape of the tension spring positioning block, and the tension spring positioning block is embedded in the embedding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123299678.9U CN217121604U (en) | 2021-12-24 | 2021-12-24 | Forming tool for double-strand tension spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123299678.9U CN217121604U (en) | 2021-12-24 | 2021-12-24 | Forming tool for double-strand tension spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217121604U true CN217121604U (en) | 2022-08-05 |
Family
ID=82620514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123299678.9U Active CN217121604U (en) | 2021-12-24 | 2021-12-24 | Forming tool for double-strand tension spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217121604U (en) |
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2021
- 2021-12-24 CN CN202123299678.9U patent/CN217121604U/en active Active
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