CN113843426A - Frock clamp for bearing retainer - Google Patents
Frock clamp for bearing retainer Download PDFInfo
- Publication number
- CN113843426A CN113843426A CN202111218799.8A CN202111218799A CN113843426A CN 113843426 A CN113843426 A CN 113843426A CN 202111218799 A CN202111218799 A CN 202111218799A CN 113843426 A CN113843426 A CN 113843426A
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- China
- Prior art keywords
- bearing retainer
- annular positioning
- positioning groove
- bearing
- positioning
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/103—Retention by pivotal elements, e.g. catches, pawls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to a tool clamp for a bearing retainer, which comprises a chuck, a tire seat and a fastener, wherein the chuck is provided with a plurality of clamping jaws, the tire seat is clamped and fixed on the chuck through the plurality of clamping jaws, the tire seat is provided with an annular positioning groove, the bearing retainer is fixed in the annular positioning groove of the tire seat through a fixing assembly, the fastener is positioned between the outer diameter side surface of the annular positioning groove and the outer peripheral surface of the bearing retainer, and the fastener is respectively abutted against the outer diameter side surface of the annular positioning groove and the outer peripheral surface of the bearing retainer during positioning. The bearing retainer is fixed in the annular positioning groove of the tire seat through the fixing assembly, so that the radial stress of the bearing retainer can be ensured to be uniform, the requirements on high-precision roundness and flatness can be met, and the time for replacing and adjusting different bearing retainers is prolonged.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a tool clamp for a bearing retainer.
Background
The production of the current lathe for manufacturing the large thin-wall bearing retainer mainly adopts a traditional six-jaw clamp, the clamping force is mainly realized by radially clamping jaws through threaded connection, the radial stress of the clamping jaws contacting with the bearing retainer cannot be consistent manually, the roundness is difficult to guarantee, and the clamping force of each clamping jaw needs to be repeatedly adjusted when each large thin-wall bearing retainer is machined, so that time and labor are wasted. Because the strength of a large thin-wall bearing retainer product is poor, the flatness of the end face after end face turning is difficult to ensure.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a tool clamp for a bearing retainer, which can solve the problem of out-of-tolerance flatness and roundness caused by non-uniform clamping force in the lathe machining process of a large thin-wall bearing retainer product.
In order to achieve the purpose, the invention adopts the following technical scheme:
frock clamp for bearing holder, including chuck, child seat and fastener, be provided with a plurality of clamping jaws on the chuck, the child seat is through a plurality of the clamping jaw centre gripping is fixed in the chuck, be provided with annular positioning groove on the child seat, the bearing holder passes through fixed subassembly is fixed in the annular positioning groove of child seat, the fastener is located annular positioning groove external diameter side with between the bearing holder outer peripheral face, during the location, the fastener respectively with annular positioning groove external diameter side with bearing holder outer peripheral face butt.
Further, locating component includes a plurality of briquetting of arranging along annular positioning groove circumference, annular positioning groove's external diameter side is the first conical surface of outside expansion, be provided with on the briquetting with the second conical surface of first conical surface looks adaptation, on the briquetting relative second conical surface one side be provided with be used for with the locating surface of bearing holder outer peripheral face butt, every briquetting lead to the bolt along axially adjustable be located in the annular positioning groove, revolve twist bolt adjustment briquetting and move to annular positioning groove bottom along first conical surface, the locating surface on the briquetting is supported and is pressed in the bearing holder outer peripheral face, fixes the bearing holder centre gripping.
Preferably, the positioning surface on the pressing block is an inward concave arc surface, and the inward concave arc surface is matched with the outer circumferential surface of the bearing retainer.
Furthermore, each pressing block is provided with a through hole parallel to the axial direction of the annular positioning groove, an axial threaded hole is formed in the groove bottom surface of the annular positioning groove, the aperture of the through hole is larger than the diameter of the fastening bolt, the threaded section of the fastening bolt penetrates through the through hole, the thread is screwed in the threaded hole, the nut of the fastening bolt abuts against the pressing block, and the pressing block can move towards the bottom of the annular positioning groove along the conical surface under the action of the given lower pressure of the fastening bolt.
Furthermore, a gasket is arranged between the nut of the fastening bolt and the pressing block.
Furthermore, an inclined plane is arranged between the positioning surface of the pressing block and the upper surface of the pressing block, and the inclined plane inclines towards one side far away from the bearing retainer.
Furthermore, the clamping jaw is six, and the circumference equipartition is in on the chuck, radially be provided with the spout on the chuck, the mobilizable setting of clamping jaw is in the spout.
Further, radially be provided with the spout on the chuck, clamping jaw slidable sets up in the spout, the clamping jaw is manual clamping jaw, the outer terminal surface of manual clamping jaw is provided with positioning screw, and the coaxial fixed turbine that is provided with in positioning screw front end is provided with on the chuck with the worm of turbine looks adaptation, it is rotatory positioning screw realizes the tight location of clamp of manual clamping jaw.
Further, the clamping jaw includes the ladder locating surface, the child seat location with in the ladder locating surface, a plurality of tight ladder locating surfaces of clamp set up relatively, the child seat centre gripping in ladder locating surface department, the ladder locating surface include with under the bearing holder terminal surface laminated first locating surface mutually and with the second locating surface of bearing holder outer periphery looks butt, the second locating surface is the cambered surface, the radian of cambered surface with bearing holder outer periphery looks adaptation.
Further, the inner diameter of the annular positioning groove is smaller than that of the bearing retainer.
Furthermore, an annular positioning disc is arranged between the inner peripheral surface of the bearing retainer and the inner diameter side surface of the annular positioning groove, the annular positioning disc is detachably mounted on the groove bottom surface of the annular positioning groove through a plurality of positioning screws, and the bearing retainer is in clearance fit with the annular positioning disc.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a tool clamp for a bearing retainer, which comprises a chuck, a tire seat and a fastener, wherein the chuck is provided with a plurality of clamping jaws, the tire seat is clamped and fixed on the chuck through the plurality of clamping jaws, the tire seat is provided with an annular positioning groove, the bearing retainer is fixed in the annular positioning groove of the tire seat through a fixing assembly, the fastener is positioned between the outer diameter side surface of the annular positioning groove and the outer peripheral surface of the bearing retainer, and during positioning, the fastener is respectively abutted against the outer diameter side surface of the annular positioning groove and the outer peripheral surface of the bearing retainer. The bearing retainer is fixed in the annular positioning groove of the tire seat through the fixing assembly, so that the radial stress of the bearing retainer can be ensured to be uniform, the requirements on high-precision roundness and flatness can be met, and the time for replacing and adjusting different bearing retainers is prolonged.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic view of a portion of the structure of FIG. 1;
FIG. 3 is a schematic view of the structure at C in FIG. 2;
FIG. 4 is a schematic perspective view of another embodiment of the present invention;
FIG. 5 is a schematic view of a portion of the structure of FIG. 4;
FIG. 6 is a schematic view of the structure at A in FIG. 5;
fig. 7 is a schematic structural diagram at B in fig. 5.
In the figure: 1. clamping jaw, 1.1, first locating surface, 1.2, second locating surface, 2, child seat, 2.1, annular positioning groove, 2.1a, first conical surface, 3, briquetting, 3.1, second conical surface, 3.2, indent arc face, 3.3, through-hole, 4, fastening bolt, 5, bearing retainer, 6, chuck, 6.1, spout, 7, annular positioning disk, 8, gasket, 9, inclined plane, 11, set screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
As shown in fig. 1-3, the tooling fixture for the bearing retainer comprises a chuck 6, a tire seat 2 and a fastener, wherein the chuck 6 is provided with a plurality of clamping jaws 1, the tire seat 2 is clamped and fixed on the chuck 6 through the plurality of clamping jaws 1, the number of the clamping jaws 1 is six in the embodiment, the clamping jaws are circumferentially and uniformly distributed on the chuck 6, the chuck 6 is provided with a sliding groove 6.1 along the radial direction, and the clamping jaws 1 are movably arranged in the sliding groove 6.1. Specifically, clamping jaw 1 is manual clamping jaw 1, and the rotatable positioning screw that is provided with of manual clamping jaw 1 outer terminal surface is provided with the turbine in the coaxial fixed of positioning screw front end, be provided with on chuck 6 with the worm of turbine looks adaptation drives the tight location of clamp that the turbine and worm mesh realization manual clamping jaw through rotatory positioning screw during the use. The chuck 6 in the present embodiment may be any self-centering chuck that can perform a clamping function in the related art. In use, the chuck 6 is rotatably mounted on a lathe.
Clamping jaw 1 includes the ladder locating surface, and child seat 2 is located the ladder locating surface, and is concrete, the ladder locating surface of a plurality of clamping jaws 1 sets up relatively, and child seat 2 centre gripping is in ladder locating surface department, the ladder locating surface include with bearing retainer 5 under the terminal surface laminating first locating surface 1.1 mutually and with bearing retainer 5 outer periphery looks butt's second locating surface 1.2, second locating surface 1.2 is the cambered surface, the radian of cambered surface and bearing retainer 5 outer periphery looks adaptation.
The tire seat 2 in this embodiment is provided with annular positioning groove 2.1, and bearing retainer 5 is fixed in annular positioning groove 2.1 of tire seat 2 through fixed subassembly in, and the fastener is located between annular positioning groove 2.1 external diameter side and the 5 outer peripheral faces of bearing retainer, and during the location, the fastener respectively with annular positioning groove 2.1 external diameter side and 5 outer peripheral faces butt of bearing retainer.
Specifically, locating component includes a plurality of briquetting 3 of arranging along annular positioning groove 2.1 circumference, annular positioning groove 2.1's external diameter side is the first conical surface 2.1a of outside expansion, be provided with on the briquetting 3 with the second conical surface 3.1 of first conical surface 2.1a looks adaptation, one side relative second conical surface 3.1 on the briquetting 3 is provided with the locating surface that is used for with 5 outer peripheral face butts of bearing retainer, preferably, this locating surface is indent arc face 3.2, indent arc face 3.2 and 5 outer peripheral face looks adaptations of bearing retainer.
Every briquetting 3 leads to fastening bolt 4 and is fixed in annular positioning groove 2.1 along the adjustable location of axial, it is concrete, set up on every briquetting 3 and be on a parallel with annular positioning groove 2.1 mouthful axial through-hole 3.3, set up axial screw hole on the tank bottom surface of annular positioning groove 2.1 mouthful, the aperture of through-hole 3.3 is greater than fastening bolt 4's diameter, fastening bolt 4's screw thread section passes through-hole 3.3, the screw thread connects soon in the screw hole, fastening bolt 4's nut butt in briquetting 3, briquetting 3 can be at the bottom of the annular positioning groove 2.1 motion along first conical surface 2.1a under the effect of the lower pressure of the giving of fastening bolt 4. A spacer 8 is provided between the nut of the fastening bolt 4 and the press block 3 in this embodiment. The gasket 8 can increase the contact area between the nut of the fastening bolt 4 and the pressure block 3, and ensure the fastening stability of the pressure block 3.
When the clamping device is used, the tightening bolt 4 is screwed to adjust the pressing block 3 to move towards the bottom surface of the annular positioning groove 2.1 along the first conical surface 2.1a, the positioning surface (the concave arc surface 3.2) on the pressing block 3 is pressed against the outer peripheral surface of the bearing retainer 5, and the inner peripheral surface of the bearing retainer 5 is pressed against the inner diameter side surface of the annular positioning groove 2.1, so that the bearing retainer 5 is clamped and fixed. And (4) screwing the fastening bolt 4 in the opposite direction, canceling the pressure applied to the pressing block 3 by the fastening bolt 4, taking out the pressing block 3, and releasing the clamping of the bearing retainer 5.
It should be noted that the inner diameter of the annular positioning groove 2.1 is smaller than the inner diameter of the bearing holder 5, that is, a small gap exists between the inner diameter side surface of the annular positioning groove 2.1 and the inner circumferential surface of the bearing holder 5, and the small gap ensures that the bearing holder 5 is self-centered when being clamped and fixed by the pressing block 3, and also avoids the problem of poor roundness after processing caused by difficulty in adjusting the radial clamping force. In addition, the slight clearance ensures that the slight elastic deformation of the bearing cage 5 after it is compressed does not affect the roundness of the final bearing cage 5.
An inclined plane 9 is arranged between the positioning surface (the concave arc surface 3.2) and the upper surface of the pressing block 3 in the embodiment, and the inclined plane 9 inclines towards one side far away from the bearing retainer 5. The inclined plane 9 is arranged to facilitate processing.
Compared with the prior art, the embodiment has the beneficial effects that:
according to the scheme, the tire seat 2 is fixed at one time mainly through the machine tool chuck 6 and the manual clamping jaw 1, and the lower end face of a product of the large-sized thin-wall bearing retainer 5 is contacted with the bottom of the annular positioning groove 2.1 on the tire seat 2 to play a supporting role; the inner diameter of the bearing retainer 5 is in clearance fit with the spigot of the tyre seat 2 (namely, a clearance exists between the inner diameter side surface of the annular positioning groove 2.1 and the inner circumferential surface of the bearing retainer 5) to play a role in radial positioning. One side of the pressing block 3 is provided with a second conical surface 3.1 which is matched with a first conical surface 2.1a on the annular positioning groove 2.1 of the tire seat 2, and the fastening bolt 4 presses the pressing block 3 downwards to generate radial inward clamping force, so that the inner diameter of the bearing retainer 5 is abutted against and fixed with the spigot of the tire seat 2. The clamping mode can ensure that the radial stress of the bearing retainer 5 is uniform and meets the requirements of high-precision roundness and flatness, and the time for replacing and adjusting different bearing retainers 5 is also prolonged.
In the case of the example 2, the following examples are given,
as shown in fig. 4-7, the tooling fixture for the bearing retainer comprises a chuck 6, a tire seat 2 and a fastener, wherein the chuck 6 is provided with a plurality of clamping jaws 1, the tire seat 2 is clamped and fixed on the chuck 6 through the plurality of clamping jaws 1, the number of the clamping jaws 1 is six in the embodiment, the clamping jaws are circumferentially and uniformly distributed on the chuck 6, the chuck 6 is provided with a sliding groove 6.1 along the radial direction, and the clamping jaws 1 are movably arranged in the sliding groove 6.1. Specifically, clamping jaw 1 is manual clamping jaw 1, and the rotatable positioning screw that is provided with of manual clamping jaw 1 outer terminal surface is provided with the turbine in the coaxial fixed of positioning screw front end, be provided with on chuck 6 with the worm of turbine looks adaptation drives the tight location of clamp that the turbine and worm mesh realization manual clamping jaw through rotatory positioning screw during the use. It should be noted that the chuck in the present embodiment may be any self-centering chuck capable of realizing a clamping function in the related art. In use, the chuck 6 is rotatably mounted on a lathe.
The clamping jaw 1 in the embodiment comprises a step positioning surface, the clamping bead seat 2 is positioned in the step positioning surface, specifically, the step positioning surfaces of the clamping jaws 1 are arranged oppositely, the clamping bead seat 2 is clamped at the step positioning surface, the step positioning surface comprises a first positioning surface 1.1 attached to the lower end face of the bearing retainer 5 and a second positioning surface 1.2 abutted to the outer circumferential surface of the bearing retainer 5, the second positioning surface 1.2 is an arc surface, and the radian of the arc surface is matched with the outer circumferential surface of the bearing retainer 5.
The tire seat 2 in this embodiment is provided with annular positioning groove 2.1, and bearing retainer 5 is fixed in annular positioning groove 2.1 of tire seat 2 through fixed subassembly in, and the fastener is located between annular positioning groove 2.1 external diameter side and the 5 outer peripheral faces of bearing retainer, and during the location, the fastener respectively with annular positioning groove 2.1 external diameter side and 5 outer peripheral faces butt of bearing retainer. In this embodiment, an annular positioning disk 7 is arranged between the inner peripheral surface of the bearing holder 5 and the inner diameter side surface of the annular positioning groove 2.1, the annular positioning disk 7 is detachably and fixedly mounted on the groove bottom surface of the annular positioning groove 2.1 through a plurality of positioning screws 11, the bearing holder 5 is in clearance fit with the annular positioning disk 7, and it should be noted that different annular positioning disks 7 can be matched according to specification and model numbers of the bearing holder 5 during use.
Specifically, locating component includes a plurality of briquetting 3 of arranging along annular positioning groove 2.1 circumference, annular positioning groove 2.1's external diameter side is the first conical surface 2.1a of outside expansion, be provided with on the briquetting 3 with the second conical surface 3.1 of first conical surface 2.1a looks adaptation, one side relative second conical surface 3.1 on the briquetting 3 is provided with the locating surface that is used for with 5 outer peripheral face butts of bearing retainer, preferably, this locating surface is indent arc face 3.2, indent arc face 3.2 and 5 outer peripheral face looks adaptations of bearing retainer.
Every briquetting 3 leads to fastening bolt 4 and is fixed in annular positioning groove 2.1 along the adjustable location of axial, it is concrete, set up on every briquetting 3 and be on a parallel with annular positioning groove 2.1 mouthful axial through-hole 3.3, set up axial screw hole on the tank bottom surface of annular positioning groove 2.1 mouthful, the aperture of through-hole 3.3 is greater than fastening bolt 4's diameter, fastening bolt 4's screw thread section passes through-hole 3.3, the screw thread connects soon in the screw hole, fastening bolt 4's nut butt in briquetting 3, briquetting 3 can be at the bottom of the annular positioning groove 2.1 motion along first conical surface 2.1a under the effect of the lower pressure of the giving of fastening bolt 4. A spacer 8 is provided between the nut of the fastening bolt 4 and the press block 3 in this embodiment. The gasket 8 can increase the contact area between the nut of the fastening bolt 4 and the pressure block 3, and ensure the fastening stability of the pressure block 3.
When the clamping device is used, the pressing block 3 is adjusted to move towards the bottom surface of the annular positioning groove 2.1 along the first conical surface 2.1a by screwing the fastening bolt 4, the positioning surface (the concave arc surface 3.2) on the pressing block 3 is abutted against the outer peripheral surface of the bearing retainer 5, and the inner peripheral surface of the bearing retainer 5 is abutted against the outer peripheral surface of the annular positioning disc 7, so that the bearing retainer 5 is clamped and fixed. And (4) screwing the fastening bolt 4 in the opposite direction, canceling the pressure applied to the pressing block 3 by the fastening bolt 4, taking out the pressing block 3, and releasing the clamping of the bearing retainer 5.
It should be noted that the bearing holder 5 is in clearance fit with the annular positioning disk 7, that is, a small clearance exists between the outer circumferential surface of the annular positioning disk 7 and the inner circumferential surface of the bearing holder 5, and the small clearance ensures that the bearing holder 5 realizes self-centering when being clamped and fixed by the pressing block 3, and also avoids the problem of out-of-roundness after machining caused by difficulty in adjusting the magnitude of the radial clamping force. In addition, the slight clearance ensures that the slight elastic deformation of the bearing cage 5 after compression does not affect the final cage roundness.
An inclined plane 9 is arranged between the positioning surface (the concave arc surface 3.2) and the upper surface of the pressing block 3 in the embodiment, and the inclined plane 9 inclines towards one side far away from the bearing retainer 5. The inclined plane 9 is arranged to facilitate processing.
Compared with the prior art, the embodiment has the beneficial effects that:
the lower end surface of a large thin-wall bearing retainer 5 product is contacted with the bottom of an annular positioning groove 2.1 on a tire seat 2 to play a supporting role; the outer diameter of an annular positioning disc 7 fixed with the tire seat is matched with the inner diameter of a large-sized thin-walled bearing retainer through small clearance to realize radial positioning; the outer diameter of the large thin-wall bearing retainer 5 is clamped by the radial force generated by adjusting the position of the pressing block 3 through the fastening bolt 4. The support of the bottom plane of the annular positioning groove 2.1 on the tire seat 2 effectively avoids the flatness out-of-tolerance after processing caused by axial deformation of the bearing retainer 5 during clamping due to insufficient strength. The clearance fit of the outer diameter of the annular positioning disc 7 and the inner diameter of the bearing retainer 5 ensures self-centering of a product, and simultaneously clamps the bearing retainer 5 together with the pressing block 3, so that the problem of poor roundness after machining, which is caused by difficulty in adjustment of the radial clamping force, is avoided. The design can realize quick replacement of workpieces without repeated positioning, not only improves the production efficiency, but also effectively lightens the labor capacity of operators, improves the processing precision of large-scale thin-wall bearing retainer 5 products, and reduces the rejection rate.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Frock clamp for bearing holder, its characterized in that: including chuck, child seat and fastener, be provided with a plurality of clamping jaws on the chuck, the child seat is through a plurality of the clamping jaw centre gripping is fixed in the chuck, be provided with annular positioning groove on the child seat, the bearing holder passes through fixed subassembly is fixed in the annular positioning groove of child seat, the fastener is located annular positioning groove external diameter side with between the bearing holder outer peripheral face, during the location, the fastener respectively with annular positioning groove external diameter side with bearing holder outer peripheral face butt.
2. The tool clamp for the bearing retainer according to claim 1, characterized in that: locating component includes a plurality of briquettings of arranging along annular positioning groove circumference, the external diameter side of annular positioning groove is the first conical surface of outside expansion, be provided with on the briquetting with the second conical surface of first conical surface looks adaptation, on the briquetting relative second conical surface one side be provided with be used for with the locating surface of bearing holder outer peripheral face butt, every briquetting lead to the bolt along axially adjustable be located in the annular positioning groove, revolve twist bolt adjustment briquetting and move to annular positioning groove bottom along first conical surface, the locating surface on the briquetting supports and presses in the bearing holder outer peripheral face, fixes the bearing holder centre gripping.
3. The tool clamp for the bearing retainer according to claim 2, characterized in that: the positioning surface on the pressing block is an inwards concave arc surface, and the inwards concave arc surface is matched with the outer circumferential surface of the bearing retainer.
4. The tool clamp for the bearing retainer according to claim 2, characterized in that: every seted up on the briquetting and being on a parallel with annular positioning groove axial through-hole, set up axial screw hole on the tank bottom surface of annular positioning groove, the aperture of through-hole is greater than fastening bolt's diameter, fastening bolt's screw thread section passes the through-hole, the screw thread connect soon in the screw hole, fastening bolt's nut butt in the briquetting, the briquetting can be under the effect of fastening bolt's the lower pressure of giving down the cone moves to annular positioning tank bottom.
5. The tool clamp for the bearing retainer according to claim 2, characterized in that: and a gasket is arranged between the nut of the fastening bolt and the pressing block.
6. The tool clamp for the bearing retainer according to claim 2, characterized in that: an inclined plane is arranged between the positioning surface of the pressing block and the upper surface of the pressing block, and the inclined plane inclines towards one side far away from the bearing retainer.
7. The tool holder for a bearing retainer according to any one of claims 1 to 6, wherein: the clamping jaws are six in number, the clamping jaws are uniformly distributed on the chuck in the circumferential direction, sliding grooves are formed in the chuck in the radial direction, and the clamping jaws are movably arranged in the sliding grooves; the clamping jaw is a manual clamping jaw, a positioning screw is arranged on the outer end face of the manual clamping jaw, a turbine is coaxially and fixedly arranged at the front end of the positioning screw, a worm matched with the turbine is arranged on the clamping plate, and the positioning screw is rotated to clamp and position the manual clamping jaw.
8. The tool holder for a bearing retainer according to any one of claims 1 to 6, wherein: the clamping jaw comprises a step positioning surface, the tire seat is positioned and arranged in the step positioning surface, a plurality of clamping step positioning surfaces are arranged oppositely, the tire seat is clamped at the step positioning surface, the step positioning surface comprises a first positioning surface and a second positioning surface, the first positioning surface is attached to the lower end face of the bearing retainer, the second positioning surface is abutted to the outer circumferential surface of the bearing retainer, the second positioning surface is an arc surface, and the radian of the arc surface is matched with the outer circumferential surface of the bearing retainer.
9. The tool holder for a bearing retainer according to any one of claims 1 to 6, wherein: the inner diameter of the annular positioning groove is smaller than that of the bearing retainer, and when the bearing retainer is clamped and positioned, the inner circumferential surface of the bearing retainer abuts against the side surface of the inner diameter of the annular positioning groove.
10. The tool clamp for the bearing retainer according to claim 1, characterized in that: an annular positioning disc is arranged between the inner peripheral surface of the bearing retainer and the inner diameter side surface of the annular positioning groove, the annular positioning disc is detachably mounted on the groove bottom surface of the annular positioning groove through a plurality of positioning screws, and the bearing retainer is in clearance fit with the annular positioning disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111218799.8A CN113843426A (en) | 2021-10-20 | 2021-10-20 | Frock clamp for bearing retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111218799.8A CN113843426A (en) | 2021-10-20 | 2021-10-20 | Frock clamp for bearing retainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113843426A true CN113843426A (en) | 2021-12-28 |
Family
ID=78982450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111218799.8A Pending CN113843426A (en) | 2021-10-20 | 2021-10-20 | Frock clamp for bearing retainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113843426A (en) |
-
2021
- 2021-10-20 CN CN202111218799.8A patent/CN113843426A/en active Pending
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