CN215698095U - Disc type annular part machining and positioning tool - Google Patents
Disc type annular part machining and positioning tool Download PDFInfo
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- CN215698095U CN215698095U CN202023013901.4U CN202023013901U CN215698095U CN 215698095 U CN215698095 U CN 215698095U CN 202023013901 U CN202023013901 U CN 202023013901U CN 215698095 U CN215698095 U CN 215698095U
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Abstract
The utility model discloses a positioning tool for machining disc-type annular parts, and belongs to the technical field of part machining. This frock includes: the chuck is provided with a chuck body and clamping jaws; the positioning core disc is provided with a positioning part and a core disc, and the positioning part is clamped and positioned by the clamping jaws; an axial setting element, and a radial joint spare, the hole of waiting the disc type annular part of processing is located to radial joint spare card, the axial setting element passes in proper order radial joint spare the location core dish with a centre bore of chuck, axial positioning wait the disc type annular part of processing in on the location core dish. The tool is applied to disc annular part machining equipment, can fix and position parts to be machined, and solves the problems that the disc annular parts with smaller thickness are difficult to fix and position and are easy to deform to influence machining precision.
Description
Technical Field
The utility model belongs to the technical field of part processing, and particularly relates to a disc annular part processing and positioning tool.
Background
The disc-type annular part is a typical part commonly used in machining, is widely applied and generally consists of an end face, an inner hole and an outer circumferential face, and the machining of the part is usually finished on a horizontal numerical control lathe. The existing processing method mostly adopts a multi-jaw chuck to clamp the outer circumferential surface of the disc annular part so as to position and install the disc annular part on processing equipment and then process the part.
However, the following problems arise with this processing method: 1) for disc-type annular parts with smaller thickness, the contact range of the clamping jaws of the chuck and the outer circumferential surface of the part to be processed is smaller, the clamping force is not easy to control, and the positioning and fixing effect is difficult to ensure; if the clamping force of the clamping jaw is too small, safe turning cannot be guaranteed, if the clamping force is too large, the part can generate obvious elastic deformation, and after the clamping jaw is loosened after the end face and the excircle are machined, the elastic deformation is recovered, so that the dimensional accuracy of the end face is poor; 2) the outer circumferential surface of the disc-shaped annular part needs to be processed twice, so that tool connecting traces with different degrees can be generated, and the processing quality of the part can be directly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a positioning tool for processing disc-type annular parts, which solves the technical problems that the disc-type annular parts with smaller thickness are difficult to position and fix and are easy to deform to influence the processing precision during processing, and has the advantages of accurate positioning and convenient operation.
The application discloses disc annular parts machining location frock includes:
the chuck is provided with a chuck body and clamping jaws;
the positioning core disc is provided with a positioning part and a core disc, and the positioning part is clamped and positioned by the clamping jaws;
an axial positioning member, and
a radial joint spare, the hole of waiting the disc type annular part of processing is located to radial joint spare card, the axial setting element passes in proper order radial joint spare the location core dish with a centre bore of chuck, axial positioning wait the disc type annular part of processing in on the location core dish.
In some embodiments, the radial clamping member is an elastic snap ring which can stretch and contract along the radial direction.
In some embodiments, the axial positioning element is a fixing bolt, the central hole of the positioning core disc is a threaded through hole adapted to the fixing bolt, and the fixing bolt further includes:
the bolt head is abutted against the elastic clamping ring; and
and one end of the threaded bolt rod is connected with the bolt head, and the other end of the threaded bolt rod penetrates through the elastic snap ring, the threaded through hole and the central hole of the chuck to axially position the disc type annular part to be processed on the positioning core disc.
In some of the embodiments, the central hole of the elastic snap ring is a conical hole; the bolt head further comprises a cone frustum, the small-diameter surface of the cone frustum is connected with the threaded bolt rod, and the cone frustum is inserted into the cone hole.
In some of these embodiments, the plug head further comprises a hexagonal tightening body, which connects the large diameter face of the truncated cone.
In some of these embodiments, the snap ring further comprises:
a ring-shaped body, and
the first narrow through grooves are formed in one annular end face of the circular ring-shaped body, and the first narrow through grooves are communicated with the conical holes and the peripheral face of the circular ring-shaped body.
In some embodiments, the snap ring further includes a plurality of second narrow through grooves, the second narrow through grooves are opened on the other annular end surface of the circular ring-shaped body, the second narrow through grooves communicate the conical hole with the outer circumferential surface of the circular ring-shaped body, and the plurality of second narrow through grooves are spaced from the plurality of first narrow through grooves.
In some of these embodiments, the first plurality of narrow through slots and the second plurality of narrow through slots are evenly distributed circumferentially along the annular body.
In some of these embodiments, the chuck is a four jaw chuck.
In some of these embodiments, the core disc is provided in the shape of a disc, the outer diameter of the core disc being smaller than the outer diameter of the disc-like annular part; the positioning part is a cylindrical ring body which is coaxial and integrally arranged with the core disc.
Compared with the prior art, the utility model has the beneficial effects that:
the disc annular part machining and positioning tool solves the technical problems that the disc annular part with smaller thickness is difficult to position and fix during machining and is easy to deform to influence machining precision, and has the advantages of being accurate in positioning and convenient to operate. Specifically, the method comprises the following steps:
(1) the frock that adopts this embodiment adopts fixed mounting in the location core dish of chuck, and the radial joint spare cooperation of disc class annular part hole is located to the card to and the cooperation of axial setting element, can be firmly reliable will treat the disc class annular part fixed-position installation of processing on the processing equipment, this frock each part and the coincidence of disc class annular part central line after the assembly, the location is accurate.
(2) Compared with the traditional clamping jaw directly clamping and positioning the disc annular part by adopting the chuck, the tool is not easy to generate axial deformation when used for fixing the disc annular part with smaller thickness, and the radial clamping piece and the axial positioning piece are adopted, so that the disc annular part can be stressed radially and uniformly, and the problems of deformation and clamping damage of the disc annular part caused by radial force are avoided.
(3) This frock easy dismounting, and after a clamping location, processing with the annular part of the same type only need change the work piece do not have can direct processing, need not alignment once more, especially is fit for mass production and uses.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a perspective exploded view of a disc-like annular part machining and positioning tool according to an embodiment of the utility model;
FIG. 2 is a schematic cross-sectional view of an assembly state of a positioning tool for machining a disc-like annular part according to an embodiment of the utility model;
fig. 3 is a schematic diagram of a preferred structure of a snap ring according to an embodiment of the present invention.
Wherein:
1. a chuck 11, a jaw 12, a disk body,
2. a positioning core disc 21, a thread through hole 22, a positioning part 23 and a core disc,
3. a disc-like annular part, 31, an inner bore,
4. a radial clamping piece 41, a conical hole 42, a circular ring body 43, a first narrow through groove 44 and a second narrow through groove,
5. the axial positioning piece 51, the threaded bolt rod 52, the truncated cone 53 and the screwing hexagonal body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments provided by the present invention, belong to the protection scope of the present invention.
It is obvious that the drawings in the following description are only examples or embodiments of the utility model, from which it is possible for a person skilled in the art, without inventive effort, to apply the utility model also in other similar contexts. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.
Reference in the specification 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 utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one of ordinary skill in the art that the described embodiments of the present invention can be combined with other embodiments without conflict.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of describing the utility model are not to be construed as limiting in number, and may be construed to cover both the singular and the plural. The present invention relates to the terms "comprises," "comprising," "includes," "including," "has," "having" and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in the description of the utility model are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" as used herein means two or more. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. The terms "first," "second," "third," and the like in reference to the present invention are used merely to distinguish between similar objects and not necessarily to represent a particular ordering for the objects.
The embodiment of the application provides a disc annular part machining and positioning tool, and fig. 1 and fig. 2 are a three-dimensional explosion diagram and a cross-sectional schematic diagram of the disc annular part machining and positioning tool according to the embodiment of the utility model. Referring to fig. 1-2, the tooling at least comprises: the device comprises a chuck 1, a positioning core disc 2, an axial positioning piece 5 and a radial clamping piece 4; the chuck 1 is provided with a chuck body 12 and a clamping jaw 11, a positioning core disc 2 is provided with a positioning part 22 and a core disc 23, the positioning part 22 is clamped and positioned by the clamping jaw 11, a radial clamping piece 4 is clamped in an inner hole 31 of a disc type annular part 3 to be processed, and an axial positioning piece 5 sequentially penetrates through a center hole of the radial clamping piece 4, a center hole of the positioning core disc 2 and a center hole of the chuck 1 to axially position the disc type annular part 3 on the positioning core disc 2.
The tool fixing, positioning and mounting disc type annular part 3 can be mainly realized through the following modes:
1) aligning and positioning the position of the core disc 2 by using a dial indicator, and clamping a positioning part 22 of the core disc 2 by using the clamping jaws 11 of the open disc 1 after the central axis of the core disc 2 coincides with the central axis of the chuck 1;
2) the radial clamping piece 4 is clamped in an inner hole of the disc type annular part 3 to be processed, the processed end face of the disc type annular part 3 is pressed on the disc surface of the core disc 23, the disc type annular part 3 and the positioning part 22 are respectively positioned at two sides of the core disc 23, and a central hole of the clamping piece 4 is communicated with a central hole of the positioning core disc 2;
3) the axial positioning piece 55 sequentially passes through the radial clamping piece 4, the positioning core disc 2 and the center hole of the chuck 1 so as to axially position the disc-like annular part 3 on the positioning core disc 2.
The frock that adopts this embodiment adopts fixed mounting in chuck 1's location core dish, and the radial joint spare 4 cooperation of 3 holes 31 of disc type annular part are located to the card to and the cooperation of axial positioning piece 5, can be firmly reliable will treat 3 location installations of disc type annular part on the processing equipment of processing, and as shown in figure 2, each part of this frock and 3 central lines coincidence of disc type annular part after the assembly, the location is accurate. Simultaneously, compare in the direct centre gripping of jack catch that adopts the chuck and fix a position disc class annular part 3, adopt this frock for difficult production axial deformation when fixed thickness is less disc class annular part 3, and adopt radial joint spare 4 and axial setting element 5, can make disc class annular part 3 radially even atress, avoided disc class annular part 3 deformation and the clamp problem that radial force arouses. In addition, the tool is convenient to disassemble and assemble, and after one-time clamping and positioning, the same type of annular parts 3 are processed, the annular parts can be directly processed without replacing the workpiece, secondary alignment is not needed (namely, the step 1 is not needed to be repeated)), and the tool is particularly suitable for mass production and use.
Wherein, the axial positioning piece 5 is a fixing bolt, the central hole of the positioning core disc is provided with a thread through hole 21 matched with the fixing bolt, and the radial clamping piece 4 is an elastic clamping ring which can stretch out and draw back along the radial direction. Specifically, the fixing bolt comprises a bolt head and a threaded bolt rod 51, wherein the bolt head is abutted to the elastic snap ring; one end of the threaded bolt rod 51 is connected with the bolt head, and the other end of the threaded bolt rod passes through the central hole of the elastic snap ring, the threaded through hole 21 and the central hole of the chuck 1 so as to axially position the disc-like annular part 3 on the positioning core disc 2.
Specifically, the center hole of the elastic snap ring is a conical hole 41; the bolt head preferably comprises a cone frustum 52, the small diameter surface of the cone frustum 52 is connected with the threaded bolt rod 51, and the cone frustum 52 is inserted into the cone-shaped hole 41; specifically, the taper of the conical hole 41 is the same as the taper of the truncated cone 52. Adopt above-mentioned structure, axial setting element 5 connects location core dish 2 and radial joint spare 4 in-process, and fastening bolt screws and produces axial displacement, and the outer conical surface of circular cone 52 acts on the interior conical surface of circular cone hole 41, can make radial joint spare 4 take place radial expansion, further increases the interact of radial joint spare 4 and 3 holes 31 of the annular part of dish class, and the even atress of hole 31 periphery, radial joint spare 4 can be firm joint fixed plate class annular part 3 more.
Fig. 3 is a schematic structural diagram of a preferred elastic snap ring according to an embodiment of the present invention, and referring to fig. 3, the elastic snap ring preferably includes: the circular body 42 and a plurality of first narrow through grooves 43, the first narrow through grooves 43 are arranged on one annular end face of the circular body 42, and the first narrow through grooves 43 are communicated with the conical holes 41 and the peripheral face of the circular body 42. By adopting the structure, when the cone frustum 52 is screwed into the conical hole 41, the elastic clamping ring can be further ensured to be uniformly expanded radially, so that the uniform stress on the circumference of the inner hole 31 of the disc-type annular part 3 is ensured, the fixing effect is ensured, and the workpiece damage caused by the nonuniform stress is avoided.
Specifically, in order to further ensure that the periphery of the inner hole 31 of the disc-like annular part 3 is uniformly stressed and prevent the workpiece from being damaged, the elastic snap ring further comprises a plurality of second narrow through grooves 44, the second narrow through grooves 44 are formed in the other annular end face of the annular body 42, the second narrow through grooves 44 are communicated with the outer peripheral faces of the conical hole 41 and the annular body 42, and the plurality of second narrow through grooves 44 and the plurality of first narrow through grooves 43 are arranged at intervals; the first narrow through slots 43 and the second narrow through slots 44 are evenly distributed along the circumferential direction of the annular body 42.
Specifically, the length directions of the first narrow through groove 43 and the second narrow through groove 44 are both arranged along the radial direction of the snap ring, and the depth directions are both parallel to the central axis of the circular ring body 42.
In order to facilitate the operation, the bolt head further comprises a tightening hexagonal body 53, and the tightening hexagonal body 53 is connected with the large-diameter surface of the truncated cone 52. The arrangement of the screwed hexagonal body 53 can facilitate the use of a wrench knob fixing bolt, so that the tool can be conveniently disassembled and assembled.
In order to avoid the influence of the tool on the machining of the disc-type annular part 3, the core disc 23 is disc-shaped, the outer diameter of the core disc 23 is smaller than that of the disc-type annular part 3, and the positioning portion 22 is a cylindrical ring body which is coaxial and integrally arranged with the core disc 23.
Those skilled in the art will appreciate that the specific configuration of the tooling shown in fig. 1-2 does not constitute a definition of the disc-like annular part machining and positioning tooling, nor does the specific configuration of the snap ring shown in fig. 3 constitute a definition of the radial snap 4, and may include more or fewer components than shown, or some combination of components, or a different arrangement of components. For example, the chuck 1 may be a four-jaw chuck as shown in fig. 1, or may be a three-jaw chuck or a six-jaw chuck.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a disc annular parts machining location frock which characterized in that: the method comprises the following steps:
the chuck is provided with a chuck body and clamping jaws;
the positioning core disc is provided with a positioning part and a core disc, and the positioning part is clamped and positioned by the clamping jaws;
an axial positioning member, and
a radial joint spare, the hole of treating the disc type annular part of processing is located to radial joint spare card, the axial setting element passes in proper order radial joint spare the location core dish with chuck, axial positioning treat the disc type annular part of processing in on the location core dish.
2. The disc type annular part machining and positioning tool according to claim 1, characterized in that: the radial clamping piece is an elastic clamping ring which can stretch out and draw back along the radial direction.
3. The disc type annular part machining and positioning tool according to claim 2, characterized in that: the axial positioning piece is a fixing bolt, the centre bore of location core disc establish into with the screw thread through-hole of fixing bolt adaptation, fixing bolt further includes:
the bolt head is abutted against the elastic clamping ring; and
and one end of the threaded bolt rod is connected with the bolt head, and the other end of the threaded bolt rod penetrates through the central hole of the elastic snap ring, the threaded through hole and the central hole of the chuck to axially position the disc type annular part to be processed on the positioning core disc.
4. The disc type annular part machining and positioning tool according to claim 3, characterized in that: the center hole of the elastic snap ring is a conical hole; the bolt head further comprises a cone frustum, the small-diameter surface of the cone frustum is connected with the threaded bolt rod, and the cone frustum is inserted into the cone hole.
5. The disc type annular part machining and positioning tool according to claim 4, characterized in that: the bolt head further comprises a screwing hexagonal body, and the screwing hexagonal body is connected with the large-diameter surface of the cone frustum.
6. The disc type annular part machining and positioning tool according to claim 4, characterized in that: the snap ring further comprises:
a ring-shaped body, and
the first narrow through grooves are formed in one annular end face of the circular ring-shaped body, and the first narrow through grooves are communicated with the conical holes and the peripheral face of the circular ring-shaped body.
7. The disc type annular part machining and positioning tool according to claim 6, characterized in that: the elastic snap ring further comprises a plurality of second narrow through grooves, the second narrow through grooves are formed in the other annular end face of the circular ring-shaped body, the second narrow through grooves are communicated with the conical hole and the outer peripheral face of the circular ring-shaped body, and the second narrow through grooves and the first narrow through grooves are arranged at intervals.
8. The disc type annular part machining and positioning tool according to claim 7, characterized in that: the plurality of first narrow through grooves and the plurality of second narrow through grooves are evenly distributed along the circumferential direction of the circular ring-shaped body.
9. The disc type annular part machining and positioning tool according to claim 1, characterized in that: the chuck is a four-jaw chuck.
10. The disc type annular part machining and positioning tool according to claim 1, characterized in that: the core disc is in a disc shape, and the outer diameter of the core disc is smaller than that of the disc-type annular part; the positioning part is a cylindrical ring body which is coaxial and integrally arranged with the core disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023013901.4U CN215698095U (en) | 2020-12-15 | 2020-12-15 | Disc type annular part machining and positioning tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023013901.4U CN215698095U (en) | 2020-12-15 | 2020-12-15 | Disc type annular part machining and positioning tool |
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| CN215698095U true CN215698095U (en) | 2022-02-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118455565A (en) * | 2024-07-09 | 2024-08-09 | 山东辰榜数控装备有限公司 | Auxiliary structure matched with machine tool chuck |
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2020
- 2020-12-15 CN CN202023013901.4U patent/CN215698095U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118455565A (en) * | 2024-07-09 | 2024-08-09 | 山东辰榜数控装备有限公司 | Auxiliary structure matched with machine tool chuck |
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