CN212370897U - Snake spring forming tool for snake spring coupler - Google Patents
Snake spring forming tool for snake spring coupler Download PDFInfo
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- CN212370897U CN212370897U CN202021909706.7U CN202021909706U CN212370897U CN 212370897 U CN212370897 U CN 212370897U CN 202021909706 U CN202021909706 U CN 202021909706U CN 212370897 U CN212370897 U CN 212370897U
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Abstract
The utility model discloses a serpentine spring forming tool of a serpentine spring coupling, which comprises a base, a guide cylinder and a bending structure; the guide cylinder is fixedly arranged on the base, and the bending structure is arranged on the guide cylinder; the guide cylinder is provided with symmetrically arranged positioning holes; the bending structure comprises a bolt and a bending spanner, and the bolt is embedded in the positioning hole; the bending spanner is also embedded in the positioning hole and can be rotatably arranged in the positioning hole; the utility model can better control the position relation between the bolts through the positioning holes, ensure the assembly clearance to be consistent and ensure the load of the manufactured serpentine spring to be balanced; through bending structure, can guarantee that the fashioned both ends of spring are symmetrical, the circumference array is even to the fillet of transition also can be smooth-going, guarantees not to take place stress concentration.
Description
Technical Field
The utility model relates to a spring processing field, concretely relates to serpentine spring shaft coupling's serpentine spring shaping frock.
Background
Two tooth surfaces of the serpentine spring coupling are composed of a plurality of arc-shaped surfaces and are connected through the lining of the serpentine springs, so that the serpentine spring coupling bears load impact and variable load more greatly. Because the serpentine spring cross-section is the rectangular conical surface structure, to the structural feature of serpentine spring product, if the spring shaping both ends are asymmetric, the circumference array is inhomogeneous, the transition R angle is not smooth, can lead to load atress stress concentration, the fit-up gap is inconsistent, and load atress is unbalanced, very easily takes place the fracture risk, influences assembly quality and performance, and the influence that research a shaping serpentine spring manufacturing process solved assembly and service property and caused becomes current urgent task.
Based on the above situation, the utility model provides a serpentine spring shaping frock of serpentine spring shaft coupling can effectively solve above problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a serpentine spring shaping frock of serpentine spring shaft coupling. The serpentine spring forming tool for the serpentine spring coupler has the advantages that the structure is simple, the use is convenient, the position relation among the bolts can be better controlled through the positioning holes, the assembly clearance is ensured to be consistent, and the load stress of the manufactured serpentine spring is ensured to be balanced; through bending structure, can guarantee that the fashioned both ends of spring are symmetrical, the circumference array is even to the fillet of transition also can be smooth-going, guarantees not to take place stress concentration.
The utility model discloses a following technical scheme realizes:
a serpentine spring forming tool of a serpentine spring coupling comprises a base, a guide cylinder and a bending structure; the guide cylinder is fixedly arranged on the base, and the bending structure is arranged on the guide cylinder; symmetrical positioning holes are formed in the guide cylinder; the bending structure comprises a bolt and a bending spanner, and the bolt is embedded in the positioning hole; the bending spanner is also embedded in the positioning hole and is rotatably connected in the positioning hole.
The utility model can better control the position relation between the bolts through the positioning holes, ensure the assembly clearance to be consistent and ensure the load of the manufactured serpentine spring to be balanced; through bending structure, can guarantee that the fashioned both ends of spring are symmetrical, the circumference array is even to the fillet of transition also can be smooth-going, guarantees not to take place stress concentration.
Preferably, the guide cylinder is cylindrical and fixed on the base laterally; the positioning hole is formed in the upper side of the circular arc surface of the guide cylinder.
Preferably, the number of the positioning holes is 8, and the positioning holes are divided into two groups which are symmetrical to each other; each group of positioning holes are arranged in a triangular shape, and three positioning holes are arranged on the bottom edge.
Preferably, the bolts comprise positioning bolts and shaping bolts, the shaping bolts are arranged on the positioning holes on one side to be bent, and the positioning bolts are arranged on the positioning holes on the other side; the positioning holes where the shaping bolt and the positioning bolt are located correspond to each other.
Preferably, the bending spanner is provided with a first through hole and a second through hole; the first through hole is formed in the head of the bending wrench, and the second through hole is formed in the middle of the bending wrench; the positioning bolt is embedded in the first through hole, and the bending taper pin is embedded in the second through hole.
Preferably, the angle between the bending taper pin and the conical section bar is complementary.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the serpentine spring forming tool for the serpentine spring coupler has the advantages that the structure is simple, the use is convenient, the position relation among the bolts can be better controlled through the positioning holes, the assembly clearance is ensured to be consistent, and the load stress of the manufactured serpentine spring is ensured to be balanced; through bending structure, can guarantee that the fashioned both ends of spring are symmetrical, the circumference array is even to the fillet of transition also can be smooth-going, guarantees not to take place stress concentration.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1 to 2, a serpentine spring forming tool for a serpentine spring coupling comprises a base 1, a guide cylinder 2 and a bending structure 3; the guide cylinder 2 is fixedly arranged on the base 1, and the bending structure 3 is arranged on the guide cylinder 2; symmetrical positioning holes 21 are formed in the guide cylinder 2; the bending structure 3 comprises a bolt 31 and a bending spanner 32, and the bolt 31 is embedded in the positioning hole 21; the bending wrench 32 is also embedded in the positioning hole 21, and the bending wrench 32 is rotatably connected in the positioning hole 21.
The utility model can better control the position relation between the bolts 31 through the positioning holes 21, ensure the assembly clearance to be consistent and ensure the load stress of the manufactured serpentine spring to be balanced; through bending structure can guarantee that the fashioned both ends of spring are symmetrical, and the circumference array is even to the fillet of transition also can be smooth-going, guarantees not to take place stress concentration.
Further, in another embodiment, the guide cylinder 2 is cylindrical and fixed on the base 1; the positioning hole 21 is arranged on the upper side of the arc surface of the guide cylinder 2.
The cylindrical guide cylinder 2 is gradually bent towards the annular shape in the process of forming the serpentine spring, so that the step of bending the serpentine spring after forming the serpentine spring is reduced, the production efficiency is improved, and the uniform circumferential array can be ensured; and the bending process on the guide cylinder 2 is smoother and gradual, no bending point occurs, the possibility of stress concentration is reduced, and the durability of the serpentine spring is improved.
Further, in another embodiment, there are 8 positioning holes 21, and the positioning holes are symmetrically arranged in two groups; each group of the positioning holes 21 is arranged in a triangle, and three positioning holes 21 are arranged on the bottom side.
The two groups of positioning holes 21 which are symmetrically arranged can better determine the fixing position of the bolt 31, and ensure that the length of the snake-shaped spring is consistent with the arc length and the distance between the snake-shaped spring pieces is consistent; set up a plurality of locating hole 21 has improved the utility model discloses an application scope ensures the utility model discloses can be applicable to the serpentine spring shaft coupling serpentine spring machine-shaping of different shaping radian, different shaping length, different circumference array angle.
Further, in another embodiment, the bolt 31 includes a positioning bolt 311 and a shaped bolt 312, the shaped bolt 312 is disposed on the positioning hole 21 on one side to be bent, and the positioning bolt 311 is disposed on the positioning hole 21 on the other side; the positioning holes 21 where the shaping bolt 312 and the positioning bolt 311 are located correspond to each other.
The positioning bolt 311 limits the bent part of the conical section bar to achieve the fixing effect; and the shaping pin 312 assists the bending wrench 32 to bend the conical section.
Further, in another embodiment, a first through hole 321 and a second through hole 322 are provided on the bending wrench 32; the first through hole 321 is provided at the head of the bending wrench 32, and the second through hole 322 is provided at the middle of the bending wrench 32; the positioning bolt 311 is embedded in the first through hole 321, and a bending taper pin 323 is embedded in the second through hole 322.
The first through hole 321 and the positioning bolt 311 are arranged, so that the bending wrench 32 is ensured to perform circular motion with the first through hole 321 as a circle center, and smooth fillet transition is ensured; and the bending taper pin 323 bends the conical section with the rotation of the bending wrench 32.
Further, in another embodiment, the angle between the angle of the bending taper pin 323 and the conical profile is complementary.
The angle complementation between the bending taper pin 323 and the conical section can ensure that the bending taper pin 323 is more attached to the conical section, the stress on the conical section is more uniform during bending, the bending can be better completed, the appearance is complete after bending, and the fillet transition is smooth.
The utility model discloses a theory of operation of an embodiment as follows:
the utility model provides a serpentine spring shaping frock of serpentine spring shaft coupling, with conical surface section bar horizontal symmetry place on guide cylinder 2 and through location bolt 311 location bending length, realize the angle complementation parallel through the angle between the conical pin 323 of bending on bending spanner 32 and the conical surface section bar, decide the fillet of bending with design bolt 312, bending spanner 32 bends, comes and goes the location and bends, realizes serpentine spring's machine-shaping. The processed and formed serpentine spring has the advantages of complete and lossless appearance, consistent sheet length and radian, uniform circumferential array, consistent inter-sheet distance, smooth fillet transition, perfect assembly interchangeability and universality, and guarantee and improvement of design and use requirements and performance
According to the utility model discloses a description and attached drawing, the field technical personnel make or use very easily the utility model discloses a serpentine spring shaping frock of serpentine spring shaft coupling to can produce the positive effect that the utility model discloses record.
Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (6)
1. The utility model provides a serpentine spring shaping frock of serpentine spring shaft coupling which characterized in that: comprises a base (1), a guide cylinder (2) and a bending structure (3); the guide cylinder (2) is fixedly arranged on the base (1), and the bending structure (3) is arranged on the guide cylinder (2); symmetrical positioning holes (21) are formed in the guide cylinder (2); the bending structure (3) comprises a plug pin (31) and a bending spanner (32), and the plug pin (31) is embedded in the positioning hole (21); the bending wrench (32) is also embedded in the positioning hole (21), and the bending wrench (32) is rotatably connected in the positioning hole (21).
2. The serpentine spring forming tool for the serpentine spring coupling according to claim 1, wherein: the guide cylinder (2) is in a cylindrical shape and is laterally fixed on the base (1); the positioning hole (21) is arranged on the upper side of the arc surface of the guide cylinder (2).
3. The serpentine spring forming tool for the serpentine spring coupling according to claim 1, wherein: the number of the positioning holes (21) is 8, and the positioning holes are divided into two groups which are symmetrical to each other; each group of the positioning holes (21) are arranged in a triangular shape, and three positioning holes (21) are arranged on the bottom edge.
4. The serpentine spring forming tool for the serpentine spring coupling according to claim 1, wherein: the bolt (31) comprises a positioning bolt (311) and a shaping bolt (312), the shaping bolt (312) is arranged on the positioning hole (21) on one side needing to be bent, and the positioning bolt (311) is arranged on the positioning hole (21) on the other side; the positioning holes (21) where the shaping bolt (312) and the positioning bolt (311) are located correspond to each other.
5. The serpentine spring forming tool for the serpentine spring coupling according to claim 4, wherein: a first through hole (321) and a second through hole (322) are formed in the bending spanner (32); the first through hole (321) is arranged at the head of the bending wrench (32), and the second through hole (322) is arranged at the middle part of the bending wrench (32); the positioning bolt (311) is embedded in the first through hole (321), and the bending taper pin (323) is embedded in the second through hole (322).
6. The serpentine spring forming tool for the serpentine spring coupling according to claim 5, wherein: the angle between the bending taper pin (323) and the conical section bar is complementary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021909706.7U CN212370897U (en) | 2020-09-04 | 2020-09-04 | Snake spring forming tool for snake spring coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021909706.7U CN212370897U (en) | 2020-09-04 | 2020-09-04 | Snake spring forming tool for snake spring coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212370897U true CN212370897U (en) | 2021-01-19 |
Family
ID=74176266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021909706.7U Active CN212370897U (en) | 2020-09-04 | 2020-09-04 | Snake spring forming tool for snake spring coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212370897U (en) |
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2020
- 2020-09-04 CN CN202021909706.7U patent/CN212370897U/en active Active
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