CN210335560U - Clamping tool for ultrahigh-hardness drill bit machining machine tool - Google Patents
Clamping tool for ultrahigh-hardness drill bit machining machine tool Download PDFInfo
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- CN210335560U CN210335560U CN201920602213.XU CN201920602213U CN210335560U CN 210335560 U CN210335560 U CN 210335560U CN 201920602213 U CN201920602213 U CN 201920602213U CN 210335560 U CN210335560 U CN 210335560U
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- drill bit
- linkage shaft
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- linkage
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Abstract
A clamping tool for an ultrahigh-hardness drill bit processing machine tool comprises a sleeve, a fastening sleeve, a linkage shaft and a pressing rod, wherein the sleeve is of a hollow cylindrical structure, the fastening sleeve is arranged on the surface of the sleeve and is in threaded connection with the surface of the sleeve, three grooves are formed in the surface of the sleeve, one ends of the grooves are vertically penetrated and provided with the linkage shaft, one ends of the linkage shafts enter the inner cavity of the sleeve and are respectively connected with an arc-shaped clamping plate, the other ends of the linkage shafts are respectively provided with a rotating shaft, springs are arranged on the linkage shafts, and the springs are located between the rotating shaft and the grooves; the two sides of one end of the pressing rod are both provided with pin shafts and hinged with the other end of the groove through the pin shafts, and the other end of the pressing pipe is connected with a rotating shaft on the linkage shaft; through rotatory adapter sleeve, make it remove to recess one side, the while swivel sleeve inner wall makes according to the depression bar to slope in the recess to press the depression bar to press the linkage shaft through the pivot and press, thereby make arc splint press the drill bit fixed, fixed mode is more convenient, and fixed effect is better.
Description
Technical Field
The utility model belongs to the technical field of the drill bit processing, concretely relates to super high rigidity drill bit is centre gripping frock for machine tool.
Background
The drill bit is a common cutting and punching tool and has the characteristics of high hardness, high wear resistance and the like. After the drill bit is used for a long time, the cutting edge is abraded, so that the drill bit needs to be ground on a machine tool, and the drill bit needs to be fixed during grinding. When the drill bit is fixed, the existing drill bit clamp mostly adopts a bolt to extrude the drill bit to realize fixation, the drill bit cannot be effectively fixed by the mode, and the surface of the drill bit is easily abraded. Meanwhile, the drill bit can vibrate during grinding, so that the smoothness of the ground drill bit is affected, and the drill bits are different in size, so that various types of drill bits are needed to adapt to the clamp, the machining cost is increased, and the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model discloses a super high rigidity is centre gripping frock for drill machine tool.
The specific technical scheme is as follows:
a clamping tool for an ultrahigh-hardness drill bit processing machine tool comprises a sleeve, a fastening sleeve, a linkage shaft and a pressing rod, wherein the sleeve is of a hollow cylinder structure, the fastening sleeve is arranged on the surface of the sleeve, the fastening sleeve is in threaded connection with the surface of the sleeve, so that the fastening sleeve can move along the surface of the sleeve, three long-strip-shaped grooves are formed in the surface of the sleeve, the three grooves are uniformly distributed on the surface of the sleeve, the three grooves are parallel to each other, one end of each groove is vertically penetrated by the linkage shaft, one end of each linkage shaft enters an inner cavity of the sleeve, an arc-shaped clamping plate which can be attached to a drill bit is respectively connected with the linkage shaft, the other end of each linkage shaft is horizontally penetrated by a rotating shaft, the rotating shaft is movably connected with the linkage shaft, and a spring is arranged on the linkage shaft, the spring is positioned between the rotating shaft and the groove; the two sides of one end of the pressing rod are respectively provided with a pin shaft and hinged with the two sides of the other end of the groove through the pin shafts, the pressing rod is arranged in an inclined manner, and the other end of the pressing pipe is connected with a rotating shaft on the linkage shaft; through rotatory adapter sleeve, make it remove to recess one side, the force is applyed to the pressure pole to the swivel sleeve inner wall simultaneously for incline in the pressure pole is to the recess, and presses the linkage shaft through the pivot according to the pressure pole, and the spring compresses, thereby makes three arc splint press the drill bit fixedly.
Furthermore, one end of the sleeve is provided with a limiting ring, and the fastening sleeve is limited through the limiting ring.
Furthermore, the inner side surfaces of the arc-shaped clamping plates are provided with a plurality of clamping teeth, so that the friction force between the arc-shaped clamping plates and the drill bit is increased when the drill bit is fixed by the arc-shaped clamping plates.
Further, the size of the pressing rod is matched with the size of the groove.
Further, the length of the fastening sleeve is one third of the length of the sleeve.
Furthermore, the surface of the fastening sleeve is provided with anti-skid convex lines.
The utility model has the advantages that:
the utility model discloses a rotatory adapter sleeve is pressed according to the depression bar, makes the arc splint in linkage axial and the sleeve pipe remove to the sleeve pipe center to make arc splint carry out the all-round pressing to the drill bit fixed, can fix not unidimensional drill bit, and make the even atress in drill bit surface, can not take place wearing and tearing, the side surface is equipped with the latch in the arc splint simultaneously, can more effectually fix the drill bit, prevent that it from taking place displacement or vibrations when polishing, compares traditional drill bit anchor clamps, the utility model discloses fixed mode is more convenient, and fixed effect is better.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a main sectional view of the present invention.
Fig. 3 is a side sectional view of the present invention.
Fig. 4 is an enlarged schematic view of a portion a in fig. 1.
Fig. 5 is a cross-sectional view of a linkage shaft of the present invention.
Detailed Description
For making the technical scheme of the utility model clear more clearly and definitely, it is right to combine the drawing below the utility model discloses further describe, any is right the utility model discloses technical scheme's technical characteristic carries out the scheme that equivalent replacement and conventional reasoning reachs and all falls into the utility model discloses protection scope.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Description of the reference numerals
The device comprises a sleeve 1, a limiting ring 101, a groove 102, threads 103, a fastening sleeve 2, a protective convex line 201, a linkage shaft 3, a rotating shaft 301, a spring 302, an arc-shaped clamping plate 303, a trapezoidal clamping tooth 3031, a pressing rod 4 and a pin shaft 401.
A clamping tool for an ultrahigh-hardness drill bit processing machine tool comprises a sleeve, a fastening sleeve, a linkage shaft and a pressing rod, wherein the sleeve is of a hollow cylinder structure, the fastening sleeve is arranged on the surface of the sleeve, the fastening sleeve is in threaded connection with the surface of the sleeve, so that the fastening sleeve can move along the surface of the sleeve, three long-strip-shaped grooves are formed in the surface of the sleeve, the three grooves are uniformly distributed on the surface of the sleeve, the three grooves are parallel to each other, one end of each groove is vertically penetrated by the linkage shaft, one end of each linkage shaft enters an inner cavity of the sleeve, an arc-shaped clamping plate which can be attached to a drill bit is respectively connected with the linkage shaft, the other end of each linkage shaft is horizontally penetrated by a rotating shaft, the rotating shaft is movably connected with the linkage shaft, and a spring is arranged on the linkage shaft, the spring is positioned between the rotating shaft and the groove; the two sides of one end of the pressing rod are both provided with a pin shaft, the pressing rod is hinged with the two sides of the other end of the groove through the pin shaft, the pressing rod is arranged in an inclined mode, and the other end of the pressing pipe is connected with a rotating shaft on the linkage shaft; through rotatory adapter sleeve, make it remove to recess one side, the force is applyed to the pressure pole to the swivel sleeve inner wall simultaneously for incline in the pressure pole is to the recess, and presses the linkage shaft through the pivot according to the pressure pole, and the spring compresses, thereby makes three arc splint press the drill bit fixedly.
Furthermore, one end of the sleeve is provided with a limiting ring, and the fastening sleeve is limited through the limiting ring.
Furthermore, the inner side surfaces of the arc-shaped clamping plates are provided with a plurality of clamping teeth, so that the friction force between the arc-shaped clamping plates and the drill bit is increased when the drill bit is fixed by the arc-shaped clamping plates.
Further, the size of the pressing rod is matched with the size of the groove.
Further, the length of the fastening sleeve is one third of the length of the sleeve.
Furthermore, the surface of the fastening sleeve is provided with anti-skid convex lines.
The working principle is as follows:
the utility model discloses when fixing the drill bit, place the drill bit in bushing inner chamber, through rotatory adapter sleeve, make it remove to recess one side, the force is applyed to pressing the depression bar to the swivel sleeve inner wall simultaneously, make to incline in the depression bar to the recess, and press the depression bar to press down the linkage shaft through the pivot, the spring compresses, thereby it is fixed to make three arc splint press down the drill bit, when pressing the depression bar when being in the recess completely, the linkage shaft is spacing to the adapter sleeve, makes it can't move forward again. When the drill bit is taken out, the fastening sleeve is rotated to move towards one side of the limiting ring, the linkage shaft moves towards the outer side of the sleeve under the action force of the spring, the pressing rod is reset gradually, and the arc-shaped clamping plate does not press the drill bit at the moment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A clamping tool for an ultrahigh-hardness drill bit processing machine tool is characterized by comprising a sleeve, a fastening sleeve, a linkage shaft and a pressing rod, wherein the sleeve is of a hollow cylindrical structure, the fastening sleeve is arranged on the surface of the sleeve, the fastening sleeve is in threaded connection with the surface of the sleeve, so that the fastening sleeve can move along the surface of the sleeve, three grooves are formed in the surface of the sleeve and are uniformly distributed on the surface of the sleeve, the three grooves are parallel to each other, one end of each groove is vertically provided with the linkage shaft in a penetrating mode, one end of each linkage shaft enters an inner cavity of the sleeve and is respectively connected with an arc-shaped clamping plate capable of being attached to a drill bit, the other end of each linkage shaft is horizontally provided with a rotating shaft in a penetrating mode, the rotating shaft is movably connected with the linkage shaft, and springs are arranged on the linkage shaft, the spring is positioned between the rotating shaft and the groove; the two sides of one end of the pressing rod are respectively provided with a pin shaft and hinged with the two sides of the other end of the groove through the pin shafts, the pressing rod is arranged in an inclined manner, and the other end of the pressing rod is connected with a rotating shaft on the linkage shaft; through rotatory adapter sleeve, make it remove to recess one side, the force is applyed to the pressure pole to the swivel sleeve inner wall simultaneously for incline in the pressure pole is to the recess, and presses the linkage shaft through the pivot according to the pressure pole, and the spring compresses, thereby makes three arc splint press the drill bit fixedly.
2. The clamping tool for the ultrahigh-hardness drill processing machine tool as claimed in claim 1, wherein a limiting ring is arranged at one end of the sleeve, and the fastening sleeve is limited by the limiting ring.
3. The clamping tool for the ultrahigh-hardness drill processing machine tool as claimed in claim 1, wherein the inner side surfaces of the arc-shaped clamping plates are provided with a plurality of clamping teeth, so that the arc-shaped clamping plates increase the friction force between the arc-shaped clamping plates and the drill when the drill is fixed.
4. The clamping tool for the ultrahigh-hardness drill processing machine tool as claimed in claim 1, wherein the size of the pressing rod is adapted to the size of the groove.
5. The clamping tool for the ultrahigh-hardness drill processing machine tool as claimed in claim 1, wherein the length of the fastening sleeve is one third of the length of the sleeve.
6. The clamping tool for the ultrahigh-hardness drill processing machine tool as claimed in claim 1, wherein the surface of the fastening sleeve is provided with anti-slip ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920602213.XU CN210335560U (en) | 2019-04-29 | 2019-04-29 | Clamping tool for ultrahigh-hardness drill bit machining machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920602213.XU CN210335560U (en) | 2019-04-29 | 2019-04-29 | Clamping tool for ultrahigh-hardness drill bit machining machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210335560U true CN210335560U (en) | 2020-04-17 |
Family
ID=70180806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920602213.XU Active CN210335560U (en) | 2019-04-29 | 2019-04-29 | Clamping tool for ultrahigh-hardness drill bit machining machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210335560U (en) |
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2019
- 2019-04-29 CN CN201920602213.XU patent/CN210335560U/en active Active
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