CN220278948U - Taper bolt device applied to positioning of machining fixture workpiece - Google Patents
Taper bolt device applied to positioning of machining fixture workpiece Download PDFInfo
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- CN220278948U CN220278948U CN202321682681.5U CN202321682681U CN220278948U CN 220278948 U CN220278948 U CN 220278948U CN 202321682681 U CN202321682681 U CN 202321682681U CN 220278948 U CN220278948 U CN 220278948U
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- 238000003754 machining Methods 0.000 title claims abstract description 62
- 238000009434 installation Methods 0.000 abstract description 4
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- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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Abstract
The utility model relates to a taper bolt device applied to positioning of a machining fixture workpiece, which comprises: the taper pin base is provided with a positioning hole and a mounting structure used for being mounted on a working table surface of the machining fixture. One end of the taper pin is detachably arranged in the positioning hole of the taper pin base, and the taper pin is provided with a taper structure corresponding to a pin hole of a workpiece to be machined. The taper pin is used for fixing the workpiece on the machining fixture better, so that the clamping stability of the machining fixture to the workpiece is ensured, the machining quality of a product is improved, the installation is convenient, and the machining efficiency of the product is improved.
Description
Technical Field
The application relates to the technical field of machining, in particular to a taper bolt device applied to positioning of a machining fixture workpiece.
Background
In the practical application of the machining fixture, in order to ensure the stability of machined parts, a positioning pin is often added near a machining area to accurately position and press a workpiece, so that the machining efficiency of the parts is improved, and the quality and stability of the machining of the parts are ensured; however, due to the structure and the size of individual products, when the positioning of the allowed positioning pins is insufficient, only manual auxiliary workpieces are often selected for positioning and clamping, then the positioning pins are put into the hand, the selection of no-wire can only conflict with the original purpose of designing and placing the taper bolt, and sometimes, some auxiliary positioning pins are selected because of no-wire, but the clamping is inconvenient, personnel injury is sometimes caused, the requirement of processing and production is not satisfied, and the quality of the processed products is reduced.
Disclosure of Invention
In view of the above problems, the application provides a taper bolt device applied to positioning of a workpiece of a machining fixture, which solves the problems that the clamping of the existing auxiliary positioning pin is inconvenient, a machined part cannot be accurately positioned on the machining fixture, the overall stability of the workpiece clamped by the fixture is affected, and the quality of a machined product is reduced.
To achieve the above object, the present inventors provide a taper pin device for positioning a workpiece of a machining jig, comprising:
the taper pin base is provided with a positioning hole and a mounting structure used for being mounted on a working table surface of the machining fixture.
One end of the taper pin is detachably arranged in the positioning hole of the taper pin base, and the taper pin is provided with a taper structure corresponding to a pin hole of a workpiece to be machined.
In some embodiments, further comprising a connecting screw;
a through hole is formed in the taper pin, and a threaded hole is formed in the bottom of the positioning hole of the taper pin base;
the connecting screw penetrates through the through hole of the taper pin and is in threaded connection with the threaded hole on the taper pin base.
In some embodiments, the connection screw is a socket head cap screw.
In some embodiments, the taper pin cover plate is detachably mounted at the other end of the taper pin.
In some embodiments, the transverse section of the mounting structure of the taper pin base is a trapezoid with two arc sides.
In some embodiments, the mounting structure of the taper pin base includes a calibration structure disposed at a bottom of the taper pin base.
In some embodiments, the surface of the taper pin base provided with the positioning hole is convex towards the direction of the positioning hole.
In some embodiments, the mounting structure of the taper pin base includes a plurality of mounting holes disposed on the taper pin base.
Compared with the prior art, the technical scheme is that when a workpiece is required to be subjected to auxiliary positioning through the positioning pin on the machining fixture, the taper pin base of the taper bolt device is arranged on the working table of the machining fixture, then when the workpiece to be machined is placed on the working table of the machining fixture, the pin hole on the workpiece is aligned with the positioning hole on the taper pin base, then the taper pin is fixedly arranged in the positioning hole of the taper pin base by inserting the taper pin into the pin hole on the workpiece and the positioning hole on the taper pin base, and the taper pin is provided with the taper structure corresponding to the pin hole of the workpiece, so that the taper pin can be better and accurately fixed on the machining fixture, the clamping stability of the workpiece by the machining fixture is ensured, the machining quality of a product is improved, the installation is convenient, and the machining efficiency of the product is improved.
The foregoing summary is merely an overview of the present application, and is provided to enable one of ordinary skill in the art to make more clear the present application and to be practiced according to the teachings of the present application and to make more readily understood the above-described and other objects, features and advantages of the present application, as well as by reference to the following detailed description and accompanying drawings.
Drawings
The drawings are only for purposes of illustrating the principles, implementations, applications, features, and effects of the present application and are not to be construed as limiting the application.
In the drawings of the specification:
FIG. 1 is a schematic view of a taper bolt device for positioning a workpiece of a machining fixture according to an embodiment;
FIG. 2 is a schematic view of a taper pin according to an embodiment;
FIG. 3 is a schematic view of another embodiment of a taper bolt assembly for positioning a workpiece of a machining fixture;
FIG. 4 is a schematic view of another embodiment of a taper bolt assembly for positioning a workpiece of a machining fixture;
FIG. 5 is a schematic view of a taper pin base according to an embodiment;
FIG. 6 is a schematic view of another embodiment of a taper bolt assembly for positioning a workpiece of a machining fixture;
FIG. 7 is a schematic view of another construction of a taper pin base according to an embodiment;
fig. 8 is a schematic view of another structure of the taper pin base according to the embodiment.
Reference numerals referred to in the above drawings are explained as follows:
110. taper pin base;
111. positioning holes, 112, threaded holes, 113, calibration structures, 114 and mounting holes;
120. taper pin;
121. taper structure, 122, through hole;
130. a connecting screw;
140. taper pin cover plate.
Detailed Description
In order to describe the possible application scenarios, technical principles, practical embodiments, and the like of the present application in detail, the following description is made with reference to the specific embodiments and the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples and are not intended to limit the scope of protection of the present application.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of the phrase "in various places in the specification are not necessarily all referring to the same embodiment, nor are they particularly limited to independence or relevance from other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the technical features mentioned in the embodiments may be combined in any manner to form a corresponding implementable technical solution.
Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application pertains; the use of related terms herein is for the description of specific embodiments only and is not intended to limit the present application.
In the description of the present application, the term "and/or" is a representation for describing a logical relationship between objects, which means that there may be three relationships, e.g., a and/or B, representing: there are three cases, a, B, and both a and B. In addition, the character "/" herein generally indicates that the front-to-back associated object is an "or" logical relationship.
In this application, terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual number, order, or sequence of such entities or operations.
Without further limitation, the use of the terms "comprising," "including," "having," or other like terms in this application is intended to cover a non-exclusive inclusion, such that a process, method, or article of manufacture that comprises a list of elements does not include additional elements but may include other elements not expressly listed or inherent to such process, method, or article of manufacture.
As in the understanding of the "examination guideline," the expressions "greater than", "less than", "exceeding", and the like are understood to exclude the present number in this application; the expressions "above", "below", "within" and the like are understood to include this number. Furthermore, in the description of the embodiments of the present application, the meaning of "a plurality of" is two or more (including two), and similarly, the expression "a plurality of" is also to be understood as such, for example, "a plurality of groups", "a plurality of" and the like, unless specifically defined otherwise.
In the description of the embodiments of the present application, spatially relative terms such as "center," "longitudinal," "transverse," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," etc., are used herein as terms of orientation or positional relationship based on the specific embodiments or figures, and are merely for convenience of description of the specific embodiments of the present application or ease of understanding of the reader, and do not indicate or imply that the devices or components referred to must have a particular position, a particular orientation, or be configured or operated in a particular orientation, and therefore are not to be construed as limiting of the embodiments of the present application.
Unless specifically stated or limited otherwise, in the description of the embodiments of the present application, the terms "mounted," "connected," "affixed," "disposed," and the like are to be construed broadly. For example, the "connection" may be a fixed connection, a detachable connection, or an integral arrangement; the device can be mechanically connected, electrically connected and communicated; it can be directly connected or indirectly connected through an intermediate medium; which may be a communication between two elements or an interaction between two elements. The 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 according to the specific circumstances.
Referring to fig. 1, the present embodiment provides a taper bolt device for positioning a workpiece of a machining fixture, including:
the taper pin base 110, be equipped with locating hole 111 and be used for installing the mounting structure on the table surface of machining anchor clamps on the taper pin base 110.
The taper pin 120, one end of the taper pin 120 is detachably mounted in the positioning hole 111 of the taper pin base 110, and the taper pin 120 is provided with a taper structure 121 corresponding to a pin hole of a workpiece to be machined.
When a workpiece is required to be positioned on a machining fixture in an auxiliary manner through a positioning pin, the taper pin base 110 of the taper pin device is installed on a working table of the machining fixture, then when the workpiece to be machined is placed on the working table of the machining fixture, the pin hole on the workpiece is aligned with the positioning hole 111 on the taper pin base 110, then the taper pin 120 is fixedly installed in the positioning hole 111 of the taper pin base 110 through inserting the taper pin 120 into the pin hole on the workpiece and the positioning hole 111 on the taper pin base, and the taper structure 121 corresponding to the pin hole of the workpiece is arranged on the taper pin 120, so that the taper pin 120 can be used for fixing the workpiece on the machining fixture accurately, the clamping stability of the machining fixture to the workpiece is ensured, the machining quality of a product is improved, the installation is convenient, and the machining efficiency of the product is improved.
Referring to fig. 2-5, in some embodiments, a connecting screw 130 is further included;
a through hole 122 is arranged in the taper pin 120, and a threaded hole 112 is arranged at the bottom of the positioning hole 111 of the taper pin base 110;
the connecting screw 130 is threaded through the through hole 122 of the taper pin 120 to be connected with the threaded hole 112 of the taper pin base 110.
When the taper pin 120 is required to be installed in the positioning hole 111 of the taper pin base 110, the taper pin 120 is inserted into the positioning hole 111 of the taper pin 120 base, then the connecting screw 130 is inserted into the through hole 122 of the taper pin 120 to enter the threaded hole 112 at the bottom of the positioning hole 111, and the connecting screw 130 is screwed into the threaded hole 112, so that the taper pin 120 is installed in the positioning hole 111 of the taper pin base 110; when the taper pin 120 is required to be detached from the positioning hole 111 of the taper pin base 110, the connecting screw 130 is only required to be screwed out of the threaded hole 112, and the taper pin 120 is further taken out of the positioning hole 111. The taper pin 120 and the positioning hole 111 on the taper pin base 110 are installed by arranging the connecting screw 130, when the taper pin 120 is installed, the connecting screw 130 is stressed mainly, and when the connecting screw 130 is worn or deformed and broken, only the connecting screw 130 needs to be replaced, the taper pin 120 does not need to be replaced, the cost is saved, and the time for replacing the taper pin 120 is also reduced. In other embodiments, external threads may be provided at the bottom of the taper pin 120, while internal threads may be provided within the locating hole 111 of the taper pin base 110, and the taper pin 120 may be removably mounted within the locating hole 111 by the external threads and the internal threads on the locating hole 111; or a screw structure with external threads is arranged at the center of the bottom of the positioning hole 111 of the taper pin base 110, and a connecting hole structure matched with the screw structure is arranged at the bottom of the taper pin 120, so that the detachable installation between the taper pin 120 and the positioning hole 111 can be realized through the screw structure and the connecting hole structure.
In some embodiments, the connection screw 130 is a socket head cap screw. By setting the connecting screw 130 as an inner hexagon screw, the head of the connecting screw 130 can sink to the surface of the through hole 122 of the taper pin 120, the smoothness of the surface of the taper pin 120 is ensured, and meanwhile, the connecting screw 130 is convenient to screw into the threaded hole 112 in the positioning hole 111. The connecting screw 130 may also be a countersunk screw of other structures, such as a straight screw, a cross screw, a quincuncial screw, or a pentagonal screw.
Referring to fig. 6, in some embodiments, the taper pin cover 140 is further included, and the taper pin cover 140 is detachably mounted on the other end of the taper pin 120. In order to avoid the problem that the connecting screw 130 falls off due to vibration generated during the machining process of the workpiece, the taper pin cover plate 140 is detachably mounted at the other end of the taper pin 120, and when the connecting screw 130 is mounted on the threaded hole 112 in the positioning hole 111 through the through hole 122 of the taper pin 120, the taper pin cover plate 140 is mounted at the other end of the taper pin 120, so that the problem that the connecting screw 130 falls off due to vibration generated during the machining process of the workpiece is avoided.
Referring to fig. 5, in some embodiments, the mounting structure of the taper pin base 110 has a trapezoid shape with two curved sides in a transverse cross section. By setting the cross section of the mounting structure of the taper pin base 110 to be a trapezoid shape with both sides being arc-shaped, the occupation space of the taper pin base 110 on the table surface of the machining fixture can be reduced.
Referring to fig. 7, in some embodiments, the mounting structure of the taper pin base 110 includes an alignment structure 113 disposed at the bottom of the taper pin base 110. In order to facilitate the taper pin base 110 to be accurately and rapidly mounted on the working table of the machining fixture, the calibration structure 113 is arranged at the bottom of the taper pin base 110, when the taper pin base 110 is required to be mounted on the working table of the machining fixture, the calibration structure 113 on the taper pin base 110 is aligned with the corresponding calibration position on the working table of the machining fixture, and then the taper pin base 110 is mounted on the working table of the machining fixture. Wherein, the calibration structure 113 may be a calibration post, and the corresponding calibration hole is provided on the calibration position of the working surface of the machining fixture, and the taper pin base 110 is accurately installed on the working surface of the machining fixture by inserting the calibration post into the calibration hole. In other embodiments, alignment holes may be provided in the bottom of the taper pin base 110, with corresponding alignment positions provided on the table top of the machining fixture.
Referring to fig. 8, in some embodiments, the surface of the taper pin base 110 provided with the positioning hole 111 is convex toward the positioning hole 111. The surface of the taper pin base 110, provided with the positioning hole 111, is protruded in the direction of the positioning hole 111, so that the contact surface between the taper pin base 110 and the workpiece is smaller, and the problem that the workpiece clamping is unstable due to the fact that the contact surface between the taper pin base 110 and the workpiece is overlarge and the surface of the workpiece is irregular can be avoided.
Referring to fig. 5 and 7, in some embodiments, the mounting structure of the taper pin base 110 includes a plurality of mounting holes 114 disposed on the taper pin base 110. By providing a plurality of mounting holes 114 on the taper pin base 110, the taper pin base 110 can be removably mounted on the table of the machining fixture by bolts.
In some embodiments, a taper bolt device for positioning a workpiece of a machining fixture is composed of a taper pin base 110, a taper pin 120, an inner hexagonal screw and a taper pin cover plate 140. The through hole 122 is arranged in the middle of the taper pin 120, and the socket head cap screw is placed, so that the socket head cap screw is mainly worn or deformed or broken in the use process, and only the socket head cap screw is replaced, so that the cost is saved, and the time for replacing the taper pin 120 is prolonged. The device is arranged in machining fixtures such as CNC (numerical control lathe) machining, lathe machining and the like, a workpiece is clamped on the fixture through a taper bolt device, a pin hole of the workpiece is aligned with a positioning hole 111 of a taper pin base 110, after the taper pin 120 is inserted, an inner hexagon screw in front of the taper pin 120 is locked on the taper pin base 110 by rotating a pin handle by hand, and the workpiece is accurately fixed on the fixture, so that the machining fixture is stable and ensured. In the actual use process, the difficult condition of accurate positioning of the large-scale workpiece can be reduced, and the taper pin 120 can be designed and used for positioning according to the requirement under the condition of accurate taper pin positioning. Therefore, the overall stability of the workpiece clamped by the clamp can be improved, and the machining efficiency and quality of the parts can be improved.
Finally, it should be noted that, although the foregoing embodiments have been described in the text and the accompanying drawings of the present application, the scope of the patent protection of the present application is not limited thereby. All technical schemes generated by replacing or modifying equivalent structures or equivalent flows based on the essential idea of the application and by utilizing the contents recorded in the text and the drawings of the application, and the technical schemes of the embodiments are directly or indirectly implemented in other related technical fields, and the like, are included in the patent protection scope of the application.
Claims (8)
1. The utility model provides a be applied to tapering bolt device that machining anchor clamps work piece was fixed a position which characterized in that includes:
the taper pin base is provided with a positioning hole and a mounting structure used for being mounted on a working table surface of the machining fixture;
one end of the taper pin is detachably arranged in the positioning hole of the taper pin base, and the taper pin is provided with a taper structure corresponding to a pin hole of a workpiece to be machined.
2. The taper bolt device for positioning a workpiece of a machining fixture according to claim 1, further comprising a connecting screw;
a through hole is formed in the taper pin, and a threaded hole is formed in the bottom of the positioning hole of the taper pin base;
the connecting screw penetrates through the through hole of the taper pin and is in threaded connection with the threaded hole on the taper pin base.
3. The taper bolt device for positioning a workpiece of a machining fixture according to claim 2, wherein the connecting screw is a socket head cap screw.
4. The taper bolt device for positioning a workpiece of a machining fixture according to claim 1, further comprising a taper pin cover plate detachably mounted to the other end of the taper pin.
5. The taper bolt device for positioning a workpiece of a machining fixture according to claim 1, wherein the transverse section of the mounting structure of the taper bolt base is a trapezoid with two arc sides.
6. The taper pin apparatus for machine tool fixture workpiece positioning of claim 1, wherein the taper pin base mounting structure comprises a calibration structure disposed at a bottom of the taper pin base.
7. The taper bolt device for positioning a workpiece of a machining fixture according to claim 1, wherein the surface of the taper bolt base provided with the positioning hole is convex towards the positioning hole.
8. The taper pin apparatus for machine tool fixture workpiece positioning of claim 1, wherein the taper pin base mounting structure includes a plurality of mounting holes disposed in the taper pin base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321682681.5U CN220278948U (en) | 2023-06-29 | 2023-06-29 | Taper bolt device applied to positioning of machining fixture workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321682681.5U CN220278948U (en) | 2023-06-29 | 2023-06-29 | Taper bolt device applied to positioning of machining fixture workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220278948U true CN220278948U (en) | 2024-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321682681.5U Active CN220278948U (en) | 2023-06-29 | 2023-06-29 | Taper bolt device applied to positioning of machining fixture workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220278948U (en) |
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2023
- 2023-06-29 CN CN202321682681.5U patent/CN220278948U/en active Active
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