CN210967915U - Positioning device for gear end face milling groove - Google Patents
Positioning device for gear end face milling groove Download PDFInfo
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- CN210967915U CN210967915U CN201921706457.9U CN201921706457U CN210967915U CN 210967915 U CN210967915 U CN 210967915U CN 201921706457 U CN201921706457 U CN 201921706457U CN 210967915 U CN210967915 U CN 210967915U
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Abstract
The utility model relates to the field of workpiece milling groove manufacturing and processing, in particular to a positioning device for gear end face milling grooves, which comprises a base, wherein a vertical plate is arranged on the base, an assembly hole is arranged on the vertical plate, a hollow shaft axially extending on a positioning disc is assembled in the assembly hole arranged on the vertical plate, a clamping mandrel is in clearance fit in the hollow shaft of the positioning disc, one end of the clamping mandrel extends out of the disc surface of the positioning disc to be used as a workpiece clamping part, the end head of the workpiece clamping part is provided with an axially extending feed abdicating groove radially penetrating the end head, the outer circumferences of the two side walls of the feed abdicating groove are symmetrically provided with two positioning cutting grooves, a pressing plate provided with a clamping opening is in clamping fit with the positioning cutting grooves to axially position the workpiece, a limiting pin seat used for circumferentially positioning the workpiece is arranged on the vertical plate in a position deviated from the assembly hole, an elastic positioning pin is, the axis extension line of the elastic positioning pin is intersected with the circle center of the assembling hole, so that the efficiency and the accuracy of groove milling positioning are improved.
Description
Technical Field
The utility model relates to a work piece milling flutes preparation processing field, concretely relates to positioner of gear face milling flutes.
Background
In the process of milling grooves on workpieces, a gear tooth groove and an end surface groove are required to keep a certain angular position relation, a positioning mandrel is generally provided with a fixed cylindrical pin for positioning by calculating a contact radius, and the method is low in efficiency and has the problem of inaccurate gap positioning.
Disclosure of Invention
The utility model aims at providing a positioner of gear end face milling flutes to the not enough that prior art corresponds, improved the efficiency and the accuracy of milling flutes location.
The utility model aims at adopting the following scheme to realize: a positioning device for gear end face milling grooves comprises a base, wherein a vertical plate is arranged on the base, an assembling hole is formed in the vertical plate, a hollow shaft axially extending on a positioning disc is assembled in the assembling hole formed in the vertical plate, a clamping mandrel is in clearance fit in the hollow shaft of the positioning disc, one end of the clamping mandrel extends out of the disc surface of the positioning disc to serve as a workpiece clamping part, a feeding and abdicating groove axially extending and radially penetrating the end is formed in the end head of the workpiece clamping part, two positioning cutting grooves are symmetrically formed in the outer circumferences of the two side walls of the feeding and abdicating groove, a pressing plate provided with a clamping opening is in clamping fit with the positioning cutting grooves to axially position a workpiece, a threaded section extending out of the hollow shaft of the positioning disc is formed at the other end of the clamping mandrel, a nut is in threaded fit with the threaded section, the vertical plate and the positioning disc are circumferentially positioned through screws, and, the side wall of the clamping mandrel is provided with an axially extending strip-shaped groove, an anti-rotation bolt is inserted into the strip-shaped groove from a radial threaded hole, a limiting pin seat used for circumferentially positioning a workpiece is installed on the vertical plate in a position deviating from the assembly hole, an elastic positioning pin is in sliding fit in the limiting pin seat, and the axis extension line of the elastic positioning pin is intersected with the circle center of the assembly hole.
And a gasket is arranged between the nut and the hollow shaft axially extending on the positioning disc.
The base is provided with an open slot for being fixedly installed on the bed.
The included angle of the intersection of the axis extension line of the elastic positioning pin and the axis extension line of the anti-rotation bolt is less than 45 degrees.
An opening is arranged on the outer circumference of the positioning disc, and the central axis of the opening is superposed with the central axis of the elastic positioning pin.
The utility model discloses contain following beneficial effect: the clamping device comprises a base, wherein a vertical plate is arranged on the base, an assembling hole is formed in the vertical plate, a hollow shaft axially extending from a positioning disc is assembled in the assembling hole formed in the vertical plate, a clamping mandrel is in clearance fit in the hollow shaft of the positioning disc, one end of the clamping mandrel extends out of the disc surface of the positioning disc to serve as a workpiece clamping part, an axially extending cutter feeding and abdicating groove radially penetrating the end is formed in the end head of the workpiece clamping part, two positioning cutting grooves are symmetrically formed in the outer circumferences of the two side walls of the cutter feeding and abdicating groove, a pressing plate provided with a clamping opening is in clamping fit with the positioning cutting grooves to axially position a workpiece, a threaded section extending out of the hollow shaft of the positioning disc is formed at the other end of the clamping mandrel, a nut is in threaded fit with the threaded section, the vertical plate and the positioning disc are circumferentially positioned through screws, a radial threaded hole is formed in the, an anti-rotation bolt is inserted into the strip-shaped groove from a radial threaded hole, a limiting pin seat used for circumferentially positioning the workpiece is installed on the vertical plate in a position deviated from the assembling hole, an elastic positioning pin is in sliding fit in the limiting pin seat, and the axis extension line of the elastic positioning pin is intersected with the circle center of the assembling hole.
A washer is arranged between the nut and the hollow shaft extending axially on the positioning disk, so that the positioning disk cannot be positioned due to loosening of the nut.
The included angle of the intersection of the axis extension line of the elastic positioning pin and the axis extension line of the anti-rotation bolt is smaller than 45 degrees, so that after the elastic positioning pin enters the tooth socket, the stress point has enough torque to circumferentially position the gear.
An opening is formed in the outer circumference of the positioning disc, the central axis of the opening is overlapped with the central axis of the elastic positioning pin, and the tooth grooves of the gear are aligned to the opening, so that the elastic positioning pin is accurately inserted into the tooth grooves to circumferentially position the gear.
The device improves the efficiency and the accuracy of the groove milling positioning and solves the problem of inaccurate gap positioning of the former device.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is a schematic structural view of the clamping mandrel of the present invention;
fig. 4 is a schematic structural view of the vertical plate of the present invention;
fig. 5 is a schematic structural view of the pressing plate of the present invention;
fig. 6 is a schematic structural view of the positioning plate of the present invention;
fig. 7 is an assembly diagram of the present invention and a workpiece.
Detailed Description
As shown in fig. 1 to 7, a positioning device for gear end face groove milling includes a base 14, wherein an open slot 23 is formed in the base 14, and is used for being mounted and fixed on a bed. The base 14 is provided with a vertical plate 1, the vertical plate 1 is provided with an assembling hole 16, an axially extending hollow shaft 15 on a positioning disc 2 is assembled in the assembling hole 16 arranged on the vertical plate 1, a clamping mandrel 7 is in clearance fit in the hollow shaft 15 of the positioning disc 2, one end of the clamping mandrel 7 extends out of the disc surface of the positioning disc 2 to serve as a workpiece clamping part 18, the end head of the workpiece clamping part 18 is provided with an axially extending feed abdicating groove 19 which radially penetrates through the end head, the outer circumferences of the two side walls of the feed abdicating groove 19 are symmetrically provided with two positioning cutting grooves 17, a compression plate 3 provided with a clamping opening 20 is in clamping fit with the positioning cutting grooves 17 to axially position a workpiece, the other end of the clamping mandrel 7 is a threaded section which extends out of the hollow shaft 15 of the positioning disc 2, a nut 8 is in threaded fit with the threaded section, and a gasket 9 is arranged between the nut 8 and the axially, the positioning disc 2 is prevented from being positioned due to the fact that the nut 8 is loosened. Riser 1 and positioning disk 2 form the circumference location through screw 13, the 16 lateral walls of pilot hole of riser 1 are equipped with a radial screw hole 21, clamping dabber 7 lateral wall is equipped with an axially extended bar groove 22, and one prevents that rotation bolt 10 inserts bar groove 22 from radial screw hole 21, a spacing key seat 6 that is used for to work piece circumference location is installed to 16 positions of pilot hole on the riser 1 partially, and 4 sliding fit of an elastic locating pin is in spacing key seat 6, the axle center extension line of elastic locating pin 4 intersects with the centre of a circle of pilot hole 16. The included angle of the intersection of the axis extension line of the elastic positioning pin 4 and the axis extension line of the anti-rotation bolt 10 is smaller than 45 degrees, so that after the elastic positioning pin 4 enters the tooth socket, the stress point has enough torque to circumferentially position the gear 24. An opening 25 is formed in the outer circumference of the positioning disc 2, the central axis of the opening 25 is overlapped with the central axis of the elastic positioning pin 4, and the tooth groove of the gear 24 is aligned with the opening, so that the elastic positioning pin 4 is accurately inserted into the tooth groove to circumferentially position the gear 24.
Use the utility model discloses when 24 location to the gear, take off pressure strip 3 earlier, pass the one end that clamping dabber 7 was equipped with location grooving 17 with gear 24, hug closely positioning disk 2 and place, again with the cooperation of joint opening 20 and the location grooving 17 joint of pressure strip 3, screw up nut 8 with 24 axial fixings of gear, then the pulling sets up the handle 11 at 4 tail ends of elastic locating pin, make elastic locating pin 4 withdraw from the opening 25 of positioning disk 2, align opening 25 on the positioning disk 2 with arbitrary tooth's socket of gear 24 simultaneously, loosen handle 11, insert the tooth's socket of gear 24 when making elastic locating pin 4 insert opening 25, make 24 circumference of gear fixed back, can begin to process gear 24.
The above only be the utility model discloses a preferred embodiment to be not used for the restriction the utility model discloses, technical personnel in the field are not deviating from the utility model discloses a under the prerequisite of spirit, right the utility model discloses the change of going on all falls into the utility model discloses a protection scope.
Claims (5)
1. A positioner of gear face milling flutes, includes base (14), its characterized in that: the vertical plate (1) is arranged on the base (14), an assembling hole (16) is formed in the vertical plate (1), an axially extending hollow shaft (15) on a positioning disc (2) is assembled in the assembling hole (16) formed in the vertical plate (1), a clamping mandrel (7) is in clearance fit in the hollow shaft (15) of the positioning disc (2), one end of the clamping mandrel (7) extends out of the disc surface of the positioning disc (2) to serve as a workpiece clamping part (18), an axially extending feed abdicating groove (19) which radially penetrates through the end is formed in the end of the workpiece clamping part (18), two positioning cutting grooves (17) are symmetrically formed in the outer circumference of the two side walls of the feed abdicating groove (19), a pressing plate (3) provided with a clamping opening (20) is in clamping fit with the positioning cutting grooves (17) to axially position a workpiece, and the other end of the clamping mandrel (7) is a threaded section extending out of the hollow shaft (15) of the positioning disc (2), a nut (8) is in threaded fit with the threaded section, the vertical plate (1) and the positioning disc (2) are circumferentially positioned through a screw (13), a radial threaded hole (21) is formed in the side wall of an assembling hole (16) of the vertical plate (1), an axially extending strip-shaped groove (22) is formed in the side wall of the clamping mandrel (7), an anti-rotation bolt (10) is inserted into the strip-shaped groove (22) from the radial threaded hole (21), a limiting pin seat (6) used for circumferentially positioning a workpiece is installed on the vertical plate (1) in a position deviating from the assembling hole (16), an elastic positioning pin (4) is in sliding fit with the limiting pin seat (6), and the extension line of the axis of the elastic positioning pin (4) is intersected with the circle center of the assembling hole (16).
2. The positioning device for gear face milling grooves according to claim 1, characterized in that: a washer (9) is arranged between the nut (8) and an axially extending hollow shaft (15) on the positioning disk (2).
3. The positioning device for gear face milling grooves according to claim 1, characterized in that: an open slot (23) is arranged on the base (14) and used for being fixedly installed on a bed.
4. The positioning device for gear face milling grooves according to claim 1, characterized in that: the included angle of the intersection of the axis extension line of the elastic positioning pin (4) and the axis extension line of the anti-rotation bolt (10) is less than 45 degrees.
5. The positioning device for gear face milling grooves according to claim 1, characterized in that: an opening (25) is arranged on the outer circumference of the positioning disc (2), and the central axis of the opening (25) is superposed with the central axis of the elastic positioning pin (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921706457.9U CN210967915U (en) | 2019-10-12 | 2019-10-12 | Positioning device for gear end face milling groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921706457.9U CN210967915U (en) | 2019-10-12 | 2019-10-12 | Positioning device for gear end face milling groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210967915U true CN210967915U (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921706457.9U Active CN210967915U (en) | 2019-10-12 | 2019-10-12 | Positioning device for gear end face milling groove |
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| Country | Link |
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| CN (1) | CN210967915U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478389A (en) * | 2021-07-22 | 2021-10-08 | 杭州铭赫科技有限公司 | MIM variable cross section turbo charger blade terminal surface grinds clamping tool |
| CN113857888A (en) * | 2021-10-11 | 2021-12-31 | 重庆钢铁集团三峰工业有限公司 | Continuous casting roller bearing seat processing frock |
| CN114161102A (en) * | 2021-12-31 | 2022-03-11 | 重庆市星极齿轮有限责任公司 | Gear slotting and perforating process |
-
2019
- 2019-10-12 CN CN201921706457.9U patent/CN210967915U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478389A (en) * | 2021-07-22 | 2021-10-08 | 杭州铭赫科技有限公司 | MIM variable cross section turbo charger blade terminal surface grinds clamping tool |
| CN113857888A (en) * | 2021-10-11 | 2021-12-31 | 重庆钢铁集团三峰工业有限公司 | Continuous casting roller bearing seat processing frock |
| CN114161102A (en) * | 2021-12-31 | 2022-03-11 | 重庆市星极齿轮有限责任公司 | Gear slotting and perforating process |
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