CN210909527U - Drill bit grinding and positioning device with ultrahigh hardness - Google Patents
Drill bit grinding and positioning device with ultrahigh hardness Download PDFInfo
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- CN210909527U CN210909527U CN201920616108.1U CN201920616108U CN210909527U CN 210909527 U CN210909527 U CN 210909527U CN 201920616108 U CN201920616108 U CN 201920616108U CN 210909527 U CN210909527 U CN 210909527U
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Abstract
A drill bit grinding and positioning device with ultrahigh hardness comprises a fixed sleeve, a positioning clamp and a limiting sleeve, wherein the fixed sleeve is a hollow cylinder, a plurality of positioning grooves are formed in the inner cavity of the fixed sleeve, and the positioning grooves extend to the other end along one end of the inner cavity of the fixed sleeve; the side wall of one end of the limiting sleeve is provided with an opening, the inner wall of one end of the opening is in threaded connection with the surface of the fixed sleeve, the side wall of the other end of the opening is provided with a through hole, a plurality of limiting grooves are arranged around the through hole, and the limiting grooves are of an arc structure and are distributed spirally; the positioning clamp comprises an extension plate, arc-shaped clamping plates, a connecting shaft and a limiting wheel, the extension plate is embedded into the positioning groove, the arc-shaped clamping plates are connected to the other sides of the extension plates, one end of the connecting shaft is connected with the extension plate, the other end of the connecting shaft is connected with the limiting wheel, and the idler wheel is embedded into the limiting groove and movably connected with the limiting groove; through rotating spacing sleeve, make the movable pulley roll to drive the extension board and remove, and then make arc splint carry out the centre gripping to the drill bit and fix, fixed mode is more firm convenient.
Description
Technical Field
The utility model belongs to the technical field of the drill bit processing, concretely relates to drill bit grinding positioner with super high rigidity.
Background
The drill bit is a common cutting and punching tool in machining, and has the characteristics of high hardness, high wear resistance and the like. After a drill bit drills for a long time, the edge of the drill bit is gradually worn, so that the drilling precision is lost, and therefore the edge of the drill bit needs to be polished after the drill bit is used for multiple times, so that the precision is improved, and the service life is prolonged. When the drill bit is polished on the grinding machine, the drill bit is firstly required to be fixed, and the drill bit is prevented from displacing when being polished, so that the cutting part of the drill bit is damaged when being polished, the existing drill bit sharpening fixing clamp generally adopts a bolt to extrude the drill bit to be laterally arranged, so that the drill bit is fixed, the fixing effect of the fixing mode is poor, the drill bit cannot be fixed in an all-round mode, the drill bit still can vibrate and displace when being polished, and the polishing precision of the drill bit is seriously influenced.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model discloses a drill bit grinding positioner with super high rigidity.
The specific technical scheme is as follows:
a drill bit grinding and positioning device with ultrahigh hardness comprises a fixing sleeve, a positioning clamp and a limiting sleeve, wherein the fixing sleeve is of a hollow cylindrical structure, a plurality of positioning grooves are formed in an inner cavity of the fixing sleeve, the plurality of positioning grooves are uniformly distributed in the inner cavity of the fixing sleeve, and the positioning grooves extend to the other end along one end of the inner cavity of the fixing sleeve; the limiting sleeve is of a hollow cylindrical structure, the side wall of one end of the limiting sleeve is provided with an opening, the inner wall of one end of the opening of the limiting sleeve is in threaded connection with the surface of one end of the fixing sleeve, a through hole is formed in the center of the side wall of the other end of the limiting sleeve, a plurality of limiting grooves are formed around the through hole and are of arc-shaped structures, and the plurality of limiting grooves are spirally and uniformly distributed around the through hole; the positioning clamp comprises an extension plate, arc-shaped clamping plates, a connecting shaft and limiting wheels, wherein the extension plate is of a long strip-shaped structure, one side of the extension plate is respectively embedded into the positioning groove in the inner cavity of the fixing sleeve, the other side of the extension plate is connected with the outer wall of the arc-shaped clamping plate, the inner wall of the arc-shaped clamping plate can be attached to the side wall of a drill bit, one end of the connecting shaft is connected with one end of the extension plate, the other end of the connecting shaft is connected with the limiting wheels, and the limiting wheels are respectively embedded into a plurality of limiting grooves in the limiting sleeve and movably connected with the limiting grooves; through rotating the spacing sleeve with fixed sleeve threaded connection for the movable pulley in the spacing groove rolls, and spacing wheel drives the extension board through the connecting axle and removes from constant head tank to fixed sleeve's center, and then makes the arc splint carry out the centre gripping to the drill bit fixed.
Furthermore, spacing round includes stopper, pivot and gyro wheel, the gyro wheel is embedded into in the spacing groove, the pivot runs through the axle center of gyro wheel to rotate with the gyro wheel and be connected, one is connected respectively at the pivot both ends the stopper, two the stopper is located respectively the both sides of spacing groove to carry on spacingly to the gyro wheel, make spacing round can roll in the spacing groove.
Furthermore, the limiting block is of a cylindrical structure.
Furthermore, the number of the positioning clamps is consistent with the number of the positioning grooves and the number of the limiting grooves.
Further, the diameter of the through hole is consistent with the diameter of the inner cavity of the fixing sleeve.
Furthermore, the surface of the inner wall of the arc-shaped clamping plate is provided with anti-skidding convex lines.
The utility model has the advantages that:
(1) the utility model discloses a rotate the limit sleeve with fixed sleeve threaded connection for the movable pulley in the spacing groove rolls, and spacing round drives the extension board through the connecting axle and removes from the constant head tank to fixed sleeve's center, and then makes arc splint carry out the centre gripping fixed to the drill bit, and traditional screw extrusion that compares is fixed, the utility model discloses a threaded connection between limit sleeve and the fixed sleeve carries on spacingly, and fixed mode is firm more convenient, and the structure is ingenious, and the practicality is high.
(2) The utility model discloses an arc splint can be fixed the drill bit of unidimensional not to can be all-round fix the drill bit, the antiskid burr on the cooperation arc splint inner wall prevents effectively that the drill bit from taking place vibrations and displacement when the sharpening, has further guaranteed the quality of polishing of drill bit.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
Fig. 4 is a left side view of the middle fixing sleeve of the present invention.
Fig. 5 is a perspective view of the middle fixing clip of the present invention.
Fig. 6 is a schematic structural view of the middle limiting wheel 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. The fixing devices mentioned in the invention are all general connection modes in the mechanical field, and can be welding, bolt and nut connection and screw connection.
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 fixing device comprises a fixing sleeve 1, a positioning groove 101, threads 102, a positioning clamp 2, an extension plate 201, an arc-shaped clamping plate 202, an anti-skidding convex line 2021, a connecting shaft 203, a limiting wheel 204, a limiting block 2041, a rotating shaft 2042, a roller 2043, a limiting sleeve 3, a through hole 301 and a limiting groove 302.
A drill bit grinding and positioning device with ultrahigh hardness comprises a fixing sleeve, a positioning clamp and a limiting sleeve, wherein the fixing sleeve is of a hollow cylindrical structure, three positioning grooves are formed in an inner cavity of the fixing sleeve and are uniformly distributed in the inner cavity of the fixing sleeve, and the three positioning grooves extend to the other end along one end of the inner cavity of the fixing sleeve; the limiting sleeve is of a hollow cylindrical structure, the side wall of one end of the limiting sleeve is provided with an opening, the inner wall of one end of the opening of the limiting sleeve is in threaded connection with the surface of one end of the fixing sleeve, a through hole is formed in the center of the side wall of the other end of the limiting sleeve, three limiting grooves are formed around the through hole and are all of an arc-shaped structure, and the three limiting grooves are spirally and uniformly distributed around the through hole; the positioning clamp comprises an extension plate, an arc-shaped clamping plate, a connecting shaft and a limiting wheel, wherein the extension plate is of a long strip-shaped structure, one side of the extension plate is respectively embedded into the positioning groove in the inner cavity of the fixing sleeve, the other side of the extension plate is connected with the outer wall of the arc-shaped clamping plate, the inner wall of the arc-shaped clamping plate can be attached to the side wall of a drill bit, one end of the connecting shaft is connected with one end of the extension plate, the other end of the connecting shaft is connected with the limiting wheel, and the limiting wheel is respectively embedded into three limiting grooves in the limiting sleeve and is movably connected with the; through rotating the spacing sleeve with fixed sleeve threaded connection for the movable pulley in the spacing groove rolls, and spacing wheel drives the extension board through the connecting axle and removes from constant head tank to fixed sleeve's center, and then makes the arc splint carry out the centre gripping to the drill bit fixed.
Furthermore, spacing round includes stopper, pivot and gyro wheel, the gyro wheel is embedded into in the spacing groove, the pivot runs through the axle center of gyro wheel to rotate with the gyro wheel and be connected, one is connected respectively at the pivot both ends the stopper, two the stopper is located respectively the both sides of spacing groove to carry on spacingly to the gyro wheel, make spacing round can roll in the spacing groove.
Furthermore, the limiting block is of a cylindrical structure.
Furthermore, the number of the positioning clamps is consistent with the number of the positioning grooves and the number of the limiting grooves.
Further, the diameter of the through hole is consistent with the diameter of the inner cavity of the fixing sleeve.
Furthermore, the surface of the inner wall of the arc-shaped clamping plate is provided with anti-skidding convex lines.
The working principle is as follows:
when fixing the drill bit, earlier through rotating the spacing sleeve with fixed sleeve threaded connection for the movable pulley in the spacing groove rolls, and spacing wheel passes through the connecting axle and drives the extension board and remove from constant head tank to fixed sleeve's center, and then makes the arc splint all remove to the drill bit and carry out the centre gripping to the drill bit fixed.
Displacement threaded connection between spacing sleeve and the fixed sleeve to can carry on spacingly to the fixation clamp, make it can not take place the displacement.
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. The drill bit grinding and positioning device with ultrahigh hardness is characterized by comprising a fixed sleeve, a positioning clamp and a limiting sleeve, wherein the fixed sleeve is of a hollow cylindrical structure, a plurality of positioning grooves are formed in the inner cavity of the fixed sleeve and are uniformly distributed in the inner cavity of the fixed sleeve, and the positioning grooves extend to the other end along one end of the inner cavity of the fixed sleeve; the limiting sleeve is of a hollow cylindrical structure, the side wall of one end of the limiting sleeve is provided with an opening, the inner wall of one end of the opening of the limiting sleeve is in threaded connection with the surface of one end of the fixing sleeve, a through hole is formed in the center of the side wall of the other end of the limiting sleeve, a plurality of limiting grooves are formed around the through hole and are of arc-shaped structures, and the plurality of limiting grooves are spirally and uniformly distributed around the through hole; the positioning clamp comprises an extension plate, arc-shaped clamping plates, a connecting shaft and limiting wheels, wherein the extension plate is of a long strip-shaped structure, one side of the extension plate is embedded into the positioning groove in the inner cavity of the fixing sleeve, the other side of the extension plate is connected with the outer wall of each arc-shaped clamping plate, the inner wall of each arc-shaped clamping plate can be attached to the side wall of a drill bit, one end of the connecting shaft is connected with one end of each extension plate, the other end of the connecting shaft is connected with the limiting wheels, and the limiting wheels are respectively embedded into a plurality of limiting grooves in the limiting sleeve and movably connected with the limiting grooves; through rotating the spacing sleeve with fixed sleeve threaded connection for the movable pulley in the spacing groove rolls, and spacing wheel drives the extension board through the connecting axle and removes from constant head tank to fixed sleeve's center, and then makes the arc splint carry out the centre gripping to the drill bit fixed.
2. The ultra-high hardness drill bit grinding and positioning device according to claim 1, wherein the limiting wheel comprises limiting blocks, a rotating shaft and a roller, the roller is embedded into the limiting groove, the rotating shaft penetrates through the axis of the roller and is rotatably connected with the roller, two ends of the rotating shaft are respectively connected with one limiting block, and the two limiting blocks are respectively located at two sides of the limiting groove and limit the roller, so that the limiting wheel can roll in the limiting groove.
3. The ultra-high hardness drill bit grinding and positioning device according to claim 2, wherein the limiting block is of a cylindrical structure.
4. The ultra-high hardness drill grinding and positioning device according to claim 1, wherein the number of the positioning clips corresponds to the number of the positioning grooves and the limiting grooves.
5. The ultra-high hardness drill bit grinding and positioning device as claimed in claim 1, wherein the diameter of said through hole is identical to the diameter of the inner cavity of the fixing sleeve.
6. The ultra-high hardness drill bit grinding and positioning device as claimed in claim 1, wherein said arc-shaped clamping plate is provided with anti-slip ribs on an inner wall surface thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920616108.1U CN210909527U (en) | 2019-04-30 | 2019-04-30 | Drill bit grinding and positioning device with ultrahigh hardness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920616108.1U CN210909527U (en) | 2019-04-30 | 2019-04-30 | Drill bit grinding and positioning device with ultrahigh hardness |
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| Publication Number | Publication Date |
|---|---|
| CN210909527U true CN210909527U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920616108.1U Active CN210909527U (en) | 2019-04-30 | 2019-04-30 | Drill bit grinding and positioning device with ultrahigh hardness |
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| CN (1) | CN210909527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116728183A (en) * | 2023-07-07 | 2023-09-12 | 浙江迈力机电有限公司 | Gear shaft grinding device for manufacturing gear reduction motor |
-
2019
- 2019-04-30 CN CN201920616108.1U patent/CN210909527U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116728183A (en) * | 2023-07-07 | 2023-09-12 | 浙江迈力机电有限公司 | Gear shaft grinding device for manufacturing gear reduction motor |
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