CN217736082U - Synchronizer gear ring fine blanking piece and production equipment thereof - Google Patents
Synchronizer gear ring fine blanking piece and production equipment thereof Download PDFInfo
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- CN217736082U CN217736082U CN202221920511.1U CN202221920511U CN217736082U CN 217736082 U CN217736082 U CN 217736082U CN 202221920511 U CN202221920511 U CN 202221920511U CN 217736082 U CN217736082 U CN 217736082U
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Abstract
The utility model relates to a synchronizer gear ring fine blanking piece and production equipment thereof, the synchronizer gear ring fine blanking piece comprises a body, the body is of a plate-shaped structure, and the center of the body is provided with a spline hole; wherein, still be provided with two above dysmorphism holes on the body, two above dysmorphism holes wind the central circumference setting of body, and be located the outside of splined hole, the both sides in dysmorphism hole are provided with first chamfer respectively, the dysmorphism hole is close to one side at the center of body is provided with the second chamfer. Compared with the prior art, the special-shaped hole is provided with the chamfers in three directions, so that the problem that burrs are easily generated in the orifice of the special-shaped hole is avoided, and meanwhile, the special-shaped hole is convenient for assembling the two sides and one side close to the center of the body with other structures; the service life of the gearbox can be prolonged.
Description
Technical Field
The utility model relates to a synchronizer ring technical field, in particular to synchronizer ring essence towards piece and production facility thereof.
Background
The core part on the automatic gearbox on the synchronizer gear ring has great development difficulty because the part has great thickness and high precision requirement and relates to a fine blanking and local forming composite process.
Fine blanking is an advanced manufacturing process of mechanical parts, which utilizes a fine blanking press with three forces (even four or five, but at least three) and a specially designed fine blanking die to stamp plate materials, so as to obtain parts with high dimensional precision and smooth shearing surfaces. The method has the advantages of high productivity, low manufacturing cost, easy realization of automation and the like, and is widely applied to the automobile part manufacturing industry.
The fine punching process can be combined with other punching processes except for processing a flat plate piece with a complex shape and an inner hole, and more complex machine parts can be processed. The commonly used composite process comprises: fine blanking and semi-punching, fine blanking and local thinning, fine blanking and shallow drawing, fine blanking and extrusion, fine blanking and local forming and the like.
In the process of implementing the present invention, the inventor finds the following problems in the prior art:
in the prior art, burrs are easily generated in the orifice of a special-shaped hole of a synchronizer gear ring, and meanwhile, the special-shaped hole is inconvenient to assemble with other structures.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the application provides a fine blanking piece for a synchronizer gear ring and a production device thereof, which are used for solving the technical problems that burrs are easily generated on an orifice of a special-shaped hole of the synchronizer gear ring and the special-shaped hole is inconvenient to assemble with other structures in the prior art.
To achieve the above object, in a first aspect, the inventors provide a synchronizer ring fine blanking piece, comprising:
the body is of a plate-shaped structure, and a spline hole is formed in the center of the body;
wherein, still be provided with the dysmorphism hole more than two on the body, the dysmorphism hole more than two winds the central circumference setting of body, and be located the outside of splined hole, the both sides in dysmorphism hole are provided with first chamfer respectively, the dysmorphism hole is close to one side at the center of body is provided with the second chamfer.
Be different from prior art, the technical scheme of this application is provided with first chamfer respectively through the both sides in dysmorphism hole, dysmorphism hole is close to one side at the center of body is provided with the second chamfer. Therefore, the chamfers are arranged in the three directions of the special-shaped hole, the problem that burrs are easily generated at the orifice of the special-shaped hole is avoided, and meanwhile, the special-shaped hole is convenient for assembling the two sides and one side close to the center of the body with other structures; the service life of the gearbox can be prolonged.
As an embodiment of the utility model, the front in dysmorphism hole all is provided with two first chamfers with the both sides at the back, the front in dysmorphism hole all is provided with the second chamfer with the back. So, through two first chamfers and a second chamfer at the front and the back in dysmorphism hole, make things convenient for special-shaped hole to assemble two positive and negative faces and other structures, carry out mild transition between dysmorphism hole and other structures to further improve the life of gearbox.
As an embodiment of the present invention, two first chamfers are respectively located on both sides of the second chamfer. So, lie in the both sides of second chamfer through two first chamfers, conveniently link together second chamfer and two first chamfers.
As an embodiment of the present invention, the special-shaped hole includes a first arc portion, a first connecting portion, a second arc portion and a second connecting portion, the first arc portion, the first connecting portion, the second arc portion and the second connecting portion are connected in sequence, and two first chamfers are respectively located on the first connecting portion and the second connecting portion. So, can carry out the chamfer to first connecting portion and second connecting portion and handle, make things convenient for the dysmorphism hole to assemble at first connecting portion, second connecting portion and other structures.
As an embodiment of the present invention, the first arc-shaped portion is far away from the center of the body, the second arc-shaped portion is close to the center of the body, and the second chamfer is disposed on the second arc-shaped portion. So, can carry out the chamfer to second arc portion and handle, make things convenient for the dysmorphism hole to assemble with other structures at the second arc portion that is close to the center.
As an embodiment of the utility model, be provided with first constant head tank on the splined hole. So, can conveniently install the synchronizer gear ring through first constant head tank.
As an embodiment of the utility model, be provided with the second constant head tank on the splined hole, the second constant head tank with first constant head tank sets up respectively the both ends of splined hole. Therefore, the synchronizer gear ring can be further conveniently installed and positioned through the matching of the first positioning groove and the second positioning groove.
In order to achieve the above object, according to a second aspect, the inventor provides a production apparatus for a synchronizer ring fine blanking member, which is used for producing the synchronizer ring fine blanking member according to any one of the above mentioned inventor.
Compared with the prior art, the technical scheme of the application has the advantages that the chamfers are arranged in the three directions of the special-shaped hole, so that the problem that burrs are easily generated at the orifice of the special-shaped hole is solved, and meanwhile, the special-shaped hole is convenient for assembling the two sides and one side close to the center of the body with other structures; the service life of the gearbox can be prolonged.
The above description of the present invention is only an overview of the technical solutions of the present application, and in order to make the technical solutions of the present application more clearly understood by those skilled in the art, further, the present invention can be implemented according to the contents described in the text and the drawings of the present application, and in order to make the above objects, other objects, features, and advantages of the present application more easily understood, the following description will be made in conjunction with the detailed description of the present application and the drawings.
Drawings
The drawings are only for purposes of illustrating the principles, implementations, applications, features, and effects of particular embodiments of the present application, as well as others related thereto, and are not to be construed as limiting the application.
In the drawings of the specification:
FIG. 1 is a schematic structural view of a synchronizer ring fine blanking member according to an embodiment of the present application;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic view of another angle structure of a fine blanking member of a synchronizer ring according to an embodiment of the present application;
FIG. 4 is a front view of a synchronizer ring detail of an embodiment of the present application;
fig. 5 is a partially enlarged view of B in fig. 4.
The reference numerals referred to in the above figures are explained below:
1. the body is provided with a plurality of grooves,
2. a spline hole is formed in the spline hole,
21. a first positioning groove is arranged on the bottom of the shell,
22. a second positioning groove is formed in the first positioning groove,
3. the special-shaped hole is arranged on the outer wall of the hole,
31. the first chamfer is formed by the first chamfer,
32. the second chamfer is formed by the second chamfer,
33. a first arc-shaped part, a second arc-shaped part,
34. a first connecting part is arranged at the first side of the base plate,
35. a second arc-shaped part is arranged on the first arc-shaped part,
36. a second connecting portion.
Detailed Description
In order to explain in detail possible application scenarios, technical principles, practical embodiments, and the like of the present application, the following detailed description is given with reference to the accompanying drawings in conjunction with the listed embodiments. The embodiments described herein are merely for more clearly illustrating the technical solutions of the present application, and therefore, the embodiments are only used as examples, and the scope of the present application is not limited thereby.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or related to other embodiments specifically defined. In principle, in the present application, the technical features mentioned in the embodiments can be combined in any manner to form a corresponding implementable technical solution as long as there is no technical contradiction or conflict.
Unless otherwise defined, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the use of relational terms herein is intended only to describe particular embodiments and is not intended to limit the present application.
In the description of the present application, the term "and/or" is a expression for describing a logical relationship between objects, meaning that three relationships may exist, for example a and/or B, meaning: there are three cases of A, B, and both A and B. In addition, the character "/" herein generally indicates that the former and latter associated objects are in a logical relationship of "or".
In this application, terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation without necessarily requiring or implying any actual such relationship or order between such entities or operations.
Without further limitation, in this application, the use of "including," "comprising," "having," or other similar expressions in phrases and expressions of "including," "comprising," or "having," is intended to cover a non-exclusive inclusion, and such expressions do not exclude the presence of additional elements in a process, method, or article that includes the recited elements, such that a process, method, or article that includes a list of elements may include not only those elements but also other elements not expressly listed or inherent to such process, method, or article.
As is understood in the "review guidelines," in this application, the terms "greater than," "less than," "more than," and the like are to be understood as excluding the number; the expressions "above", "below", "within" and the like are understood to include the present numbers. In addition, in the description of the embodiments of the present application, "a plurality" means two or more (including two), and expressions related to "a plurality" similar thereto are also understood, for example, "a plurality of groups", "a plurality of times", and the like, unless specifically defined otherwise.
In the description of the embodiments of the present application, spatially relative expressions such as "central," "longitudinal," "lateral," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used, and the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the specific embodiments or drawings and are only for convenience of describing the specific embodiments of the present application or for the convenience of the reader, and do not indicate or imply that the device or component in question must have a specific position, a specific orientation, or be constructed or operated in a specific orientation and therefore should not be construed as limiting the embodiments of the present application.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured," and "disposed" used in the description of the embodiments of the present application should be construed broadly. For example, the connection can be a fixed connection, a detachable connection, or an integrated connection; it can be mechanical connection, electrical connection, and communication connection; they may be directly connected or indirectly connected through an intermediate; which may be communication within two elements or an interaction of two elements. Specific meanings of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains in accordance with specific situations.
The core part on the automatic gearbox on the synchronizer gear ring has great development difficulty because the part has great thickness and high precision requirement and relates to a fine blanking and local forming composite process. In the prior art, burrs are easily generated in the orifice of a special-shaped hole of a synchronizer gear ring, and meanwhile, the special-shaped hole is inconvenient to assemble with other structures. When the orifice of the special-shaped hole is not chamfered and is matched with other structures for use, the stress concentration condition is easy to occur, the burrs easily influence the service life of other structures, and the special-shaped hole is inconvenient to be assembled with other parts.
The applicant researches and discovers that the two sides of the special-shaped hole can be respectively provided with a first chamfer, one side of the special-shaped hole close to the center of the body is provided with a second chamfer, namely, the chamfers are arranged in the three directions of the special-shaped hole, so that the problem that burrs are easily generated at the orifice of the special-shaped hole is avoided, and meanwhile, the two sides of the special-shaped hole and one side close to the center of the body can be conveniently assembled with other structures; the service life of the gearbox can be prolonged.
In the embodiment, the synchronizer gear ring fine blanking piece and the production equipment thereof can be applied to various application fields of synchronizer gear rings.
According to some embodiments of the present application, please refer to fig. 1 to 5, the embodiments relate to a synchronizer ring fine blanking piece, including a body 1, the body 1 is a plate-shaped structure, a spline hole 2 is provided at the center of the body 1; wherein, still be provided with two or more dysmorphism holes 3 on the body 1, two or more dysmorphism holes 3 set up around the central circumference of body 1 to be located the outside of splined hole 2, the both sides of dysmorphism hole 3 are provided with first chamfer 31 respectively, and one side that dysmorphism hole 3 is close to the center of body 1 is provided with second chamfer 32.
In the embodiment, the spline holes and the 12 special-shaped holes are punched by adopting a gear ring pressing plate fine punching technology, the technology belongs to the traditional fine punching technology, and the special-shaped hole chamfers adopt a local cold forming technology.
The chamfering complexity is embodied on each different cross section, the chamfering angles are different, the chamfering surface is a three-dimensional curved surface, and the chamfering is required on the arc surface close to the center as well as the two sides of the square hole.
The size requirement of the spline hole is as follows: the thickness of the part is 8mm, the number of teeth is 31, the modulus is 3.0, the pressure angle is 20 degrees, the coefficient is-0.28343, the addendum circle phi is 93H8, the gear precision is 8 grades, and the common normal error Fr is 0.056. The punching surface quality requirement is as follows: the area proportion of the surface bright belt is more than 75 percent, and the tearing grade is 1 grade.
As the roughness of two planes of the product is required to be Rz4, and the end face run-out is required to be 0.1mm, the two planes need to be ground after fine blanking. To ensure that the thickness of the final product is 8 (0/+ 0.1) mm, the thickness of the material before fine blanking needs to reach 8.6mm, namely, a steel plate with the thickness of 8.6mm is used for fine blanking. The module of the spline hole gear is 3mm, and the ratio of the module to the material thickness is 3/8.6=0.35.
Different from the prior art, the technical scheme of this application is provided with first chamfer 31 respectively through the both sides in dysmorphism hole 3, and one side that dysmorphism hole 3 is close to the center of body 1 is provided with second chamfer 32. Thus, chamfers are arranged in the three directions of the special-shaped hole 3, so that the problem that burrs are easily generated at the orifice of the special-shaped hole 3 is solved, and meanwhile, the special-shaped hole 3 is convenient to assemble the two sides and one side close to the center of the body 1 with other structures; the service life of the gearbox can be prolonged.
According to some embodiments of the present application, optionally, two first chamfers 31 are provided on both sides of the front and back surfaces of the shaped hole 3, and a second chamfer 32 is provided on both the front and back surfaces of the shaped hole 3.
So, two first chamfers 31 and a second chamfer 32 through the front of dysmorphism hole 3 and the back make things convenient for dysmorphism hole 3 to assemble two anti-faces well with other structures, carry out gentle transition between dysmorphism hole 3 and other structures to further improve the life of gearbox.
According to some embodiments of the present application, optionally, two first chamfers 31 are respectively located at both sides of the second chamfer 32.
Thus, the two first chamfers 31 are positioned at two sides of the second chamfer 32, so that the second chamfer 32 and the two first chamfers 31 are conveniently connected together.
According to some embodiments of the present application, optionally, the profiled hole 3 includes a first arc portion 33, a first connection portion 34, a second arc portion 35 and a second connection portion 36, the first arc portion 33, the first connection portion 34, the second arc portion 35 and the second connection portion 36 are connected in sequence, and the two first chamfers 31 are respectively located on the first connection portion 34 and the second connection portion 36.
Therefore, chamfering processing can be performed on the first connecting portion 34 and the second connecting portion 36, and the assembly of the special-shaped hole 3 on the first connecting portion 34 and the second connecting portion 36 and other structures is facilitated.
According to some embodiments of the present application, optionally, the first arc-shaped portion 33 is disposed away from the center of the body 1, the second arc-shaped portion 35 is disposed near the center of the body 1, and the second chamfer 32 is disposed on the second arc-shaped portion 35.
So, can carry out the chamfer to second arc portion 35 and handle, make things convenient for special-shaped hole 3 to assemble with other structures at second arc portion 35 that is close to the center.
According to some embodiments of the present application, optionally, the spline hole 2 is provided with a first positioning groove 21.
Therefore, the synchronizer gear ring can be conveniently installed through the first positioning groove 21.
According to some embodiments of the present application, optionally, the spline hole 2 is provided with a second positioning groove 22, and the second positioning groove 22 and the first positioning groove 21 are respectively disposed at two ends of the spline hole 2.
Therefore, the installation and the positioning of the synchronizer gear ring can be further facilitated through the matching of the first positioning groove 21 and the second positioning groove 22.
In a second aspect, the present embodiment further relates to a production apparatus for a synchronizer gear ring fine blanking member, which is used for producing the synchronizer gear ring fine blanking member provided in any one of the above.
In this embodiment, a production facility of specific synchronous ware ring gear essence towards piece includes:
the 1000T fine blanking machine is used for fine blanking products;
the deburring machine is used for deburring a product;
315T fine punching machine, which is used for forming chamfer angle on the product;
the 650T fine blanking machine is used for fine blanking of the spline and hole trimming of a product;
the numerical control lathe is used for carrying out outer diameter turning on the product;
the MK-7760 horizontal double-ended grinding machine is used for pre-grinding a plane of a product;
a multi-purpose furnace production line for heat treatment of products;
the vibration grinding machine/cleaning pool is used for performing vibration grinding on the product;
the FX-IG-250CNC high-precision inner hole grinding machine is used for grinding an inner hole of a product;
the internal spline is detected by a go-no go gauge.
Compared with the prior art, according to the technical scheme, the chamfers are arranged in the three directions of the special-shaped hole 3, so that the problem that burrs are easily generated at the orifice of the special-shaped hole 3 is solved, and meanwhile, the special-shaped hole 3 is convenient to assemble the two sides and one side close to the center of the body 1 with other structures; the service life of the gearbox can be prolonged.
Those skilled in the art will appreciate that although some embodiments herein include some features included in other embodiments, not others, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present disclosure, and the present disclosure should be construed as being covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present application is not intended to be limited to the particular embodiments disclosed herein but is to cover all embodiments that may fall within the scope of the appended claims.
Claims (8)
1. The utility model provides a synchronous ware ring gear essence is towards piece which characterized in that includes:
the body is of a plate-shaped structure, and a spline hole is formed in the center of the body;
wherein, still be provided with the dysmorphism hole more than two on the body, the dysmorphism hole more than two winds the central circumference setting of body, and be located the outside of splined hole, the both sides in dysmorphism hole are provided with first chamfer respectively, the dysmorphism hole is close to one side at the center of body is provided with the second chamfer.
2. The synchronizer ring fine blanking member according to claim 1, wherein both sides of the front face and the back face of said shaped hole are provided with two first chamfers, and both the front face and the back face of said shaped hole are provided with second chamfers.
3. The synchronizer ring fine blanking of claim 1 wherein said two first chamfers are located on either side of said second chamfer.
4. The synchronizer ring fine blanking member according to any one of claims 1 to 3, wherein said special-shaped hole comprises a first arc-shaped portion, a first connecting portion, a second arc-shaped portion and a second connecting portion, said first arc-shaped portion, said first connecting portion, said second arc-shaped portion and said second connecting portion are connected in sequence, and two first chamfers are respectively located on said first connecting portion and said second connecting portion.
5. The synchronizer ring wormhead of claim 4, wherein said first arcuate portion is disposed away from a center of said body, said second arcuate portion is disposed proximate to a center of said body, and said second chamfer is disposed on said second arcuate portion.
6. The synchronizer ring fine blanking of claim 1 wherein said splined bore is provided with a first detent.
7. The synchronizer ring fine blanking member according to claim 6, wherein a second positioning groove is provided on the splined hole, and the second positioning groove and the first positioning groove are respectively provided at both ends of the splined hole.
8. A production apparatus for a synchronizer ring gear piece, characterized by being used for producing the synchronizer ring gear piece according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221920511.1U CN217736082U (en) | 2022-07-21 | 2022-07-21 | Synchronizer gear ring fine blanking piece and production equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221920511.1U CN217736082U (en) | 2022-07-21 | 2022-07-21 | Synchronizer gear ring fine blanking piece and production equipment thereof |
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| Publication Number | Publication Date |
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| CN217736082U true CN217736082U (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221920511.1U Active CN217736082U (en) | 2022-07-21 | 2022-07-21 | Synchronizer gear ring fine blanking piece and production equipment thereof |
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| CN (1) | CN217736082U (en) |
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- 2022-07-21 CN CN202221920511.1U patent/CN217736082U/en active Active
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