CN217801282U - Positioning and clamping tool for machining circular workpiece - Google Patents
Positioning and clamping tool for machining circular workpiece Download PDFInfo
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- CN217801282U CN217801282U CN202221838808.3U CN202221838808U CN217801282U CN 217801282 U CN217801282 U CN 217801282U CN 202221838808 U CN202221838808 U CN 202221838808U CN 217801282 U CN217801282 U CN 217801282U
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Abstract
The utility model provides a location clamping frock for processing circular workpiece, include: the clamping device comprises a clamping base, a clamping column, an eccentric shaft, a rotating ring, a rotating connecting rod and a driving cylinder. The middle part of the clamping base is provided with a clamping area; the clamping columns are arranged at the top of the clamping base and are arranged at intervals around the clamping area, and arc-shaped abutting surfaces for abutting against the round workpiece are arranged on the side parts, close to the clamping area, of the clamping columns; the clamping column can rotate around the eccentric shaft, so that the arc-shaped abutting surface at least partially enters the clamping area; the rotating ring is sleeved outside the clamping column by taking the clamping area as a center; the rotating connecting rods and the clamping columns are arranged in a one-to-one correspondence manner; the driving cylinder can drive the rotating ring to rotate along the rotating groove. From this, this frock can exert the clamping force to circular workpiece in more even position, when can effectively fixing it, because the position of clamping force is relatively more even, can avoid the outer wall of circular workpiece to appear warping.
Description
Technical Field
The utility model relates to the technical field of machining, especially, relate to a location clamping frock for processing circular workpiece.
Background
The tooling is a general term for various tools used in the manufacturing process and comprises a cutter, a clamp, a die, a measuring tool, a checking tool, an auxiliary tool, a bench tool, a station tool and the like. The fixture can be used for fixing a processing object in a mechanical manufacturing process to enable the processing object to be located at a correct position to receive processing or detection.
In the field of machining, a circular workpiece is a common workpiece type, and since the workpiece is circular in shape, the workpiece needs to be fixed by a clamp during machining. In the prior art, in order to fix a circular workpiece, the circular workpiece is usually clamped by two fixing blocks to fix the circular workpiece, for example, the chinese patent with application number 201820246588.2 and name 201820311381.9, which is entitled a clamping fixture for a circular workpiece, and both the two fixing blocks for clamping the circular workpiece in the two prior art are provided with V-shaped abutting surfaces, and the V-shaped abutting surfaces can abut against the side wall of the circular workpiece to fix the circular workpiece.
However, under such fixed mode, the frock is not even enough to circular workpiece's butt position, and when the clamping-force of frock is less, can not fix circular workpiece effectively, leads to circular workpiece to take off easily, brings the potential safety hazard for subsequent processing, when the clamping-force of frock is great, leads to circular workpiece's outer wall to warp easily, and inconvenient dismantlement.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that exists among the prior art at least partially, the utility model provides a location clamping frock for processing circular workpiece, it can solve the problem that the in-process of processing circular workpiece that exists can't rationally fix it among the prior art at least.
The utility model provides a location clamping frock for processing circular workpiece, the location clamping frock includes:
the clamping device comprises a clamping base, a clamping device and a clamping device, wherein the middle part of the clamping base is provided with a clamping area;
the clamping device comprises clamping columns, clamping bases and clamping devices, wherein the clamping columns are arranged at the top of the clamping base, the number of the clamping columns is at least three, the clamping columns are arranged at intervals around the clamping area, each clamping column is provided with an eccentric shaft hole penetrating along the axial direction of the clamping column, the axis of the eccentric shaft hole deviates from the axis of the clamping column, and the side part, close to the clamping area, of each clamping column is provided with an arc-shaped abutting surface for abutting against a round workpiece;
the eccentric shaft is inserted into the eccentric shaft hole, one end of the eccentric shaft is fixed to the top of the clamping base, and the clamping column can rotate around the eccentric shaft so that the arc-shaped abutting surface at least partially enters the clamping area;
the rotating ring is sleeved outside the clamping column by taking the clamping area as a center, an annular rotating groove is formed in the top of the clamping base, and the bottom of the rotating ring is movably inserted into the rotating groove;
the rotating connecting rods are arranged in one-to-one correspondence with the clamping columns, one end of each rotating connecting rod is rotatably connected to the rotating ring, and the other end of each rotating connecting rod is rotatably connected to the clamping column corresponding to the current rotating connecting rod;
the clamping base is provided with a rotating groove, the clamping base is provided with a top, a clamping base is arranged on the top, a driving cylinder is fixedly arranged at the top of the clamping base, an output shaft of the driving cylinder is connected to the rotating ring, and the driving cylinder can drive the rotating ring to rotate along the rotating groove.
Optionally, the positioning and clamping tool further comprises a fixing ring, the fixing ring is sleeved on the periphery of the clamping area and is located at the top of each clamping column, and the eccentric shaft in each clamping column extends beyond the clamping column and is fixedly connected with the fixing ring.
Optionally, the number of the clamping columns is six, and the six clamping columns surround the clamping area and are arranged at equal intervals.
Optionally, the number of the driving cylinders is two, and the two driving cylinders are respectively arranged on two sides of the rotating ring.
Optionally, a connection wing plate is disposed at a side portion of the rotating ring, the connection wing plate extends outward in a radial direction of the rotating ring, and an output shaft of the driving cylinder is rotatably connected to the connection wing plate.
Optionally, a cylindrical receiving groove is formed in the top of the clamping base, and the receiving groove at least partially forms the clamping area.
The technical principle of the utility model is that:
during in-service use, can place the circular workpiece of treating processing in the clamping region, start and drive actuating cylinder for it drives the swivel becket rotation to drive actuating cylinder, and the swivel becket is rotatory around the eccentric shaft through rotating connecting rod drive centre gripping post, and the circular-arc butt face of centre gripping post lateral part gets into in the clamping region and butt to the lateral wall of circular workpiece.
Compared with the prior art, the utility model discloses following beneficial effect has:
the clamping columns are arranged on the peripheral sides of the round workpieces to be machined, the clamping columns can be used for fixing the round workpieces from multiple directions, and therefore the clamping action force can be applied to the round workpieces at more uniform positions by the tool, and when the tool is effectively fixed, the clamping action force is relatively uniform in positions due to the fact that the solid cylinders or the hollow cylinders are used, the outer walls of the round workpieces can be prevented from being deformed. In addition, the tool can also accurately position the circular workpiece.
Drawings
Fig. 1 is a schematic structural view of a positioning and clamping tool for machining a circular workpiece according to an embodiment of the present invention;
fig. 2 isbase:Sub>A sectional view taken alongbase:Sub>A directionbase:Sub>A-base:Sub>A in fig. 1.
Description of reference numerals:
11: the clamping base 12: the clamping column 13: eccentric shaft
14: rotating the ring 15: the rotating connecting rod 16: driving cylinder
17: fixing ring 18: the connection wing plate 20: arc-shaped abutting surface
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
In the following description, for purposes of explanation, specific details are set forth in order to provide a thorough understanding of the present invention. It is apparent that the practice of the invention is not limited to the specific details known to those skilled in the art. The present invention is described in detail below with reference to the preferred embodiments, however, the present invention can have other embodiments in addition to the detailed description, and should not be construed as being limited to the embodiments set forth herein.
It is to be understood that the terms "a," "an," and "the" as used herein are intended to describe specific embodiments only and are not to be taken as limiting the invention, which is intended to include the plural forms as well, unless the context clearly indicates otherwise. When the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The terms "upper", "lower", "front", "rear", "left", "right" and the like as used herein are for illustrative purposes only and are not limiting.
Ordinal words such as "first" and "second" are referred to in this application as labels only, and do not have any other meanings, such as a particular order, etc. Also, for example, the term "first component" does not itself imply the presence of "second component", and the term "second component" does not itself imply the presence of "first component".
Hereinafter, specific embodiments of the present invention will be described in more detail with reference to the accompanying drawings, which illustrate representative embodiments of the present invention and do not limit the present invention.
According to the utility model discloses an embodiment provides a location clamping frock for processing circular workpiece, and this location clamping frock can set up on processing equipment such as lathe to can treat the circular workpiece of processing and carry out accurate clamping location, no matter be solid cylinder or a hollow cylinder section of thick bamboo, this location clamping frock can be fixed it from week side uniformly. And the positioning and clamping tool is simple in structure, convenient to carry and install, and capable of being conveniently fixed in any required working environment.
Specifically, as shown in fig. 1 and fig. 2, the positioning and clamping tool in this embodiment includes: the clamping device comprises a clamping base 11, a clamping column 12, an eccentric shaft 13, a rotating ring 14, a rotating connecting rod 15 and a driving cylinder 16.
In the present embodiment, the clamping base 11 has a clamping area in the middle, in which a circular workpiece to be machined can be placed, and the clamping base 11 can be fixed on a required workbench by means of external devices such as bolts.
The clamping columns 12 are arranged at the top of the clamping base 11, the number of the clamping columns 12 is at least three, the clamping columns 12 are arranged around a clamping area at intervals, each clamping column 12 is provided with an eccentric shaft hole penetrating along the axial direction of the clamping column, the axis of the eccentric shaft hole deviates from the axis of the clamping column 12, and the side part, close to the clamping area, of each clamping column 12 is provided with an arc-shaped abutting surface 20 for abutting against a round workpiece;
the eccentric shaft 13 is inserted into the eccentric shaft hole, one end of the eccentric shaft 13 is fixed at the top of the clamping base 11, and the clamping column 12 can rotate around the eccentric shaft 13, so that the arc-shaped abutting surface 20 at least partially enters the clamping area;
the rotating ring 14 is sleeved outside the clamping column 12 by taking the clamping area as a center, an annular rotating groove is formed in the top of the clamping base 11, and the bottom of the rotating ring 14 is movably inserted into the rotating groove;
the rotating connecting rods 15 are arranged in one-to-one correspondence with the clamping columns 12, one end of each rotating connecting rod 15 is rotatably connected to the rotating ring 14, and the other end of each rotating connecting rod 15 is rotatably connected to the clamping column 12 corresponding to the current rotating connecting rod 15;
the driving air cylinder 16 is fixedly arranged at the top of the clamping base 11, an output shaft of the driving air cylinder 16 is connected to the rotating ring 14, and the driving air cylinder 16 can drive the rotating ring 14 to rotate along the rotating groove.
During practical use, a circular workpiece to be machined can be placed in a clamping area at the top of the clamping base 11, then the driving cylinder 16 is started, the driving cylinder 16 drives the rotating ring 14 to rotate, the rotating ring 14 drives the clamping column 12 to rotate around the eccentric shaft 13 through the rotating connecting rod 15, and the arc-shaped abutting surface 20 at the side of the clamping column 12 enters the clamping area and abuts against the side wall of the circular workpiece.
Since the clamping columns 12 are arranged at intervals on the peripheral side of the clamping area, the arc-shaped abutting surfaces 20 of the clamping columns 12 can be abutted to the side portions of the circular workpiece uniformly from multiple directions, so that uniform abutting acting force is applied to the circular workpiece, and the circular workpiece can be fixed more reasonably.
Further, as shown in fig. 1 and fig. 2, the positioning and clamping tool in this embodiment further includes a fixing ring 17, the fixing ring 17 is sleeved on the periphery of the clamping area and is located at the top of the clamping columns 12, and the eccentric shaft 13 in each clamping column 12 extends beyond the clamping column 12 and is fixedly connected to the fixing ring 17.
Therefore, the end part, far away from the clamping base 11, of the eccentric shaft 13 can be effectively fixed by the fixing ring 17, and the position of the clamping column 12 is prevented from being deviated in the process of clamping the circular workpiece.
In order for the clamping columns 12 to more effectively secure a circular workpiece, in this embodiment, the number of clamping columns 12 is six, with the six clamping columns 12 being evenly spaced around the clamping area.
In actual use, the arc-shaped abutting surfaces of the six clamping columns 12 can abut against the side wall of the circular workpiece from six positions in the circumferential direction, so that the clamping columns 12 can apply more uniform abutting acting force to the circular workpiece, and the fixing effect is ensured.
Preferably, as shown in fig. 1, the number of the driving cylinders is two, and the two driving cylinders are respectively disposed at both sides of the rotating ring.
Therefore, the two driving cylinders can drive the rotating ring 14 to rotate from two positions, so that the rotating ring 14 can receive the rotating driving force from two directions, and the stress of the rotating ring is more uniform.
In order to avoid interference of the driving cylinder 16 with other components in the process of driving the rotation of the rotating ring 14, in the present embodiment, a connection wing plate 18 is provided at a side portion of the rotating ring 14, the connection wing plate 18 is provided to extend outward in a radial direction of the rotating ring 14, and an output shaft of the driving cylinder 16 is rotatably connected to the connection wing plate 18.
Further, the top of the clamping base 11 is provided with a cylindrical receiving groove, which at least partially forms the clamping area. Therefore, in actual use, the round workpiece to be machined can be directly inserted into the accommodating groove.
The bending apparatus in this embodiment has the following advantages:
set up the centre gripping post through week side at the circular work piece of treating processing, let the centre gripping post can follow a plurality of directions and fix circular work piece, from this, can guarantee that the frock can exert the clamping force to circular work piece in more even position, no matter be solid cylinder or hollow cylinder section of thick bamboo, when can effectively fixing it, because the position of clamping force is relatively more even, can avoid the outer wall of circular work piece to appear warping. In addition, the tool can also accurately position the circular workpiece.
Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Terms such as "part," "member," and the like, when used herein, can refer to either a single part or a combination of parts. Terms such as "mounted," "disposed," and the like, as used herein, may refer to one component as being directly attached to another component or one component as being attached to another component through intervening components. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is not applicable or otherwise stated in the other embodiment.
The present invention has been described in terms of the above embodiments, but it is to be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the described embodiments. Furthermore, it will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that many more modifications and variations can be made in accordance with the teachings of the present invention, all of which fall within the scope of the invention as claimed. The scope of the present invention is defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides a location clamping frock for processing circular workpiece which characterized in that, location clamping frock includes:
the clamping device comprises a clamping base, a clamping device and a clamping device, wherein the middle part of the clamping base is provided with a clamping area;
the clamping device comprises clamping columns, clamping bases and clamping devices, wherein the clamping columns are arranged at the top of the clamping base, the number of the clamping columns is at least three, the clamping columns are arranged at intervals around the clamping area, each clamping column is provided with an eccentric shaft hole penetrating along the axial direction of the clamping column, the axis of the eccentric shaft hole deviates from the axis of the clamping column, and the side part, close to the clamping area, of each clamping column is provided with an arc-shaped abutting surface for abutting against a round workpiece;
the eccentric shaft is inserted into the eccentric shaft hole, one end of the eccentric shaft is fixed to the top of the clamping base, and the clamping column can rotate around the eccentric shaft so that the arc-shaped abutting surface at least partially enters the clamping area;
the rotating ring is sleeved outside the clamping column by taking the clamping area as a center, an annular rotating groove is formed in the top of the clamping base, and the bottom of the rotating ring is movably inserted into the rotating groove;
the rotating connecting rods are arranged in one-to-one correspondence with the clamping columns, one end of each rotating connecting rod is rotatably connected to the rotating ring, and the other end of each rotating connecting rod is rotatably connected to the clamping column corresponding to the current rotating connecting rod;
the clamping base is provided with a rotating groove, the clamping base is provided with a top, a clamping base is arranged on the top, a driving cylinder is fixedly arranged at the top of the clamping base, an output shaft of the driving cylinder is connected to the rotating ring, and the driving cylinder can drive the rotating ring to rotate along the rotating groove.
2. The positioning and clamping tool for machining the circular workpiece according to claim 1, further comprising a fixing ring, wherein the fixing ring is sleeved on the periphery of the clamping area and is located at the top of the clamping columns, and the eccentric shaft in each clamping column extends beyond the clamping column and is fixedly connected with the fixing ring.
3. The positioning and clamping tool for machining the circular workpiece according to claim 1, wherein the number of the clamping columns is six, and the six clamping columns are uniformly arranged around the clamping area at intervals.
4. The positioning and clamping tool for machining the circular workpiece according to claim 1, wherein the number of the driving cylinders is two, and the two driving cylinders are respectively arranged on two sides of the rotating ring.
5. The positioning and clamping tool for machining the circular workpiece according to claim 1, wherein a connecting wing plate is arranged on the side of the rotating ring, the connecting wing plate extends outwards along the radial direction of the rotating ring, and an output shaft of the driving cylinder is rotatably connected to the connecting wing plate.
6. The positioning and clamping tool for machining the circular workpiece according to claim 1, wherein a cylindrical accommodating groove is formed in the top of the clamping base, and the accommodating groove at least partially forms the clamping area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221838808.3U CN217801282U (en) | 2022-07-14 | 2022-07-14 | Positioning and clamping tool for machining circular workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221838808.3U CN217801282U (en) | 2022-07-14 | 2022-07-14 | Positioning and clamping tool for machining circular workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217801282U true CN217801282U (en) | 2022-11-15 |
Family
ID=83966028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221838808.3U Active CN217801282U (en) | 2022-07-14 | 2022-07-14 | Positioning and clamping tool for machining circular workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217801282U (en) |
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2022
- 2022-07-14 CN CN202221838808.3U patent/CN217801282U/en active Active
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