CN213531107U - Hydraulic hobbing clamp for driven gear - Google Patents
Hydraulic hobbing clamp for driven gear Download PDFInfo
- Publication number
- CN213531107U CN213531107U CN202021202369.8U CN202021202369U CN213531107U CN 213531107 U CN213531107 U CN 213531107U CN 202021202369 U CN202021202369 U CN 202021202369U CN 213531107 U CN213531107 U CN 213531107U
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- driven gear
- hydraulic
- hobbing
- hydraulic pressure
- anchor clamps
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Abstract
The utility model discloses a driven gear hydraulic pressure gear hobbing anchor clamps, including hydraulic pressure gear hobbing dabber, the piston, the anchor clamps inner chamber, the outer wall of anchor clamps inner chamber is the cover that expands, through hexagon socket head cap screw fixedly connected with packing ring on the base of hydraulic pressure gear hobbing dabber, driven gear installs on the packing ring, and driven gear's top is provided with the clamp plate, the central authorities department of clamp plate is upper and lower open-ended cylindrical through-hole, and the top of clamp plate is provided with the adapter sleeve, the central authorities department of adapter sleeve is upper and lower open-ended cylindrical through-hole, and the gear hobbing machine is top to pass in the through-hole of clamp plate and adapter sleeve to be located directly over the axial of hydraulic pressure. The utility model provides a pair of driven gear hydraulic pressure gear hobbing anchor clamps, convenient to use is swift, and degree of mechanization is high, and is efficient, and low in manufacturing cost simultaneously, hydraulic fixture have eliminated the clearance between work piece and the anchor clamps, belong to zero clearance processing to can effectual assurance product precision.
Description
Technical Field
The utility model belongs to the technical field of driven gear hobbing processing, concretely relates to driven gear hydraulic pressure hobbing clamp.
Background
In the existing gear machining process, the hobbing clamp applied to actual machining mainly has two types, respectively: a screw cap locking clamp and a hydraulic internal expanding clamp.
A clamping method of the bolt-locking cap type hobbing clamp comprises the steps of loading a workpiece into a hobbing mandrel, positioning a cylindrical surface, enabling the end surface of the workpiece to be tightly abutted to the end surface of a step mandrel, covering a gland, screwing a compression nut, enabling the two end surfaces of the workpiece to be tightly attached to the end surface of the mandrel and the positioning surface of the gland respectively, jacking a central hole in the upper end of the step mandrel by using the tip of a machine tool, starting the machine tool, and processing. The clamp has no axial clamping and pressing mechanism, and is positioned and clamped together, so that the positioning precision is reduced; when the shaft diameter of a workpiece is small, the shaft diameter is easy to be twisted and deformed when the nut is screwed by a wrench, and when the nut is screwed by the wrench, the tightening force is insufficient, the hobbing cutter and a machine tool are possibly damaged, the labor intensity of manual operation is high, and the working efficiency is low; the requirement on the matching of the hole and the shaft is high, the requirement on the dimensional tolerance of the inner hole is very small, and the processing difficulty of the gear blank is high; the abrasion of the shaft diameter is difficult to be consistent with the size of the inner hole of the processed workpiece, so that the positioning precision is reduced, and the processing precision is unstable.
In the hydraulic internal expansion type clamp, a clamp shaft of the traditional hobbing clamp is in clearance fit with an inner hole of a workpiece, and the precision of a product machined by the hydraulic internal expansion type clamp cannot be effectively and stably ensured under the influence of a fit clearance; and the work piece needs to compress tightly the processing through the nut is manual, and workman intensity of labour is big, and is efficient, and manufacturing cost is higher simultaneously.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a driven gear hydraulic pressure gear hobbing anchor clamps that convenient and fast, machining precision are high.
The utility model discloses a realize through following technical scheme.
The utility model provides a driven gear hydraulic pressure gear hobbing anchor clamps, includes the hydraulic pressure gear hobbing dabber, and the piston penetrates from the bottom center department of hydraulic pressure gear hobbing dabber, sets up in the inside of hydraulic pressure gear hobbing dabber, and the top of piston is provided with the anchor clamps inner chamber, the outer wall of anchor clamps inner chamber is the cover that expands, through hexagon socket head cap screw fixedly connected with packing ring on the base of hydraulic pressure gear hobbing dabber, driven gear installs on the packing ring, and driven gear's top is provided with the clamp plate, the central authorities department of clamp plate is upper and lower open-ended cylindrical through-hole, and the top of clamp plate is provided with the adapter sleeve, the central authorities department of adapter sleeve is upper and lower open-ended cylindrical through-hole, and the gear hobbing machine top passes from the through-hole of clamp.
Specifically, a plurality of O-shaped rings are arranged between the outer wall of the piston and the inner side wall of the hydraulic hobbing mandrel.
Specifically, the pressing plate and the connecting sleeve are fixedly connected through a second inner hexagonal socket head cap screw and the cylindrical helical compression spring, and the second inner hexagonal socket head cap screw is arranged inside the cylindrical helical compression spring.
Specifically, the top end of the connecting sleeve is provided with a fixing screw, and the fixing screw is perpendicular to the extending direction of the cylindrical through hole in the connecting sleeve.
According to the technical scheme, the beneficial effects of the utility model are that:
the utility model provides a pair of driven gear hydraulic pressure gear hobbing anchor clamps, convenient to use is swift, and degree of mechanization is high, and is efficient, and low in manufacturing cost simultaneously, hydraulic fixture have eliminated the clearance between work piece and the anchor clamps, belong to zero clearance processing to can effectual assurance product precision, compress tightly through numerical control is automatic simultaneously, reduced working strength, improved work efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the utility model relates to a driven gear hydraulic pressure gear hobbing anchor clamps schematic structure.
Fig. 2 is the schematic view of the cross-sectional structure of the hydraulic hobbing mandrel of the present invention.
Fig. 3 is a schematic view of the overlooking structure of the hydraulic hobbing mandrel of the present invention.
Fig. 4 is a schematic structural view of the expansion sleeve of the present invention.
Fig. 5 is a schematic structural diagram of the gasket of the present invention.
Fig. 6 is a schematic structural diagram of the piston of the present invention.
Fig. 7 is a schematic structural view of the pressing plate of the present invention.
Fig. 8 is a schematic top view of the pressing plate of the present invention.
Fig. 9 is a schematic structural view of the connecting sleeve of the present invention.
Fig. 10 is a schematic view of a top view structure of the connection sleeve of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 10, a driven gear hydraulic hobbing clamp comprises a hydraulic hobbing mandrel 1, a piston 10 penetrates through the bottom center of the hydraulic hobbing mandrel 1 and is arranged inside the hydraulic hobbing mandrel 1, a clamp inner cavity 14 is arranged at the top of the piston 10, the outer wall of the inner cavity 14 of the clamp is provided with an expansion sleeve 13, the base of the hydraulic hobbing mandrel 1 is fixedly connected with a gasket 2 through an inner hexagonal socket head cap screw 11, the driven gear 15 is arranged on the gasket 2, the pressing plate 3 is arranged above the driven gear 15, the center of the pressure plate 3 is a cylindrical through hole with an upper opening and a lower opening, a connecting sleeve 4 is arranged above the pressure plate 3, the center of the connecting sleeve 4 is a cylindrical through hole with an upper opening and a lower opening, and a tip 5 of the hobbing machine penetrates through the through holes of the pressure plate 3 and the connecting sleeve 4 and is positioned right above the axial direction of the hydraulic hobbing mandrel 1.
Specifically, 3O-rings 12 are disposed between the outer wall of the piston 10 and the inner side wall of the hydraulic hobbing mandrel 1.
Specifically, the pressing plate 3 and the connecting sleeve 4 are fixedly connected through a second socket head cap screw 7 and a cylindrical helical compression spring 8, and the second socket head cap screw 7 is arranged inside the cylindrical helical compression spring 8.
Specifically, the top end of the connecting sleeve 4 is provided with a fixing screw 6, and the fixing screw 6 is perpendicular to the extending direction of the cylindrical through hole in the connecting sleeve 4.
The utility model discloses a theory of operation does: the piston 10 is pushed by a hydraulic mechanism of the numerical control gear hobbing machine, liquid plastic in the inner cavity 14 of the clamp expands under the action of pressure, then the expansion sleeve 13 expands uniformly, and the driven gear is clamped after the expansion sleeve 13 expands.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (4)
1. The hydraulic hobbing clamp for the driven gear is characterized by comprising a hydraulic hobbing mandrel, wherein a piston penetrates through the center of the bottom of the hydraulic hobbing mandrel and is arranged inside the hydraulic hobbing mandrel, a clamp inner cavity is formed in the top of the piston, an outer wall of the clamp inner cavity is an expansion sleeve, a gasket is fixedly connected onto a base of the hydraulic hobbing mandrel through an inner hexagonal socket head screw, the driven gear is mounted on the gasket, a pressing plate is arranged above the driven gear, a cylindrical through hole with an upper opening and a lower opening is formed in the center of the pressing plate, a connecting sleeve is arranged above the pressing plate, a cylindrical through hole with an upper opening and a lower opening is formed in the center of the connecting sleeve, and the tip of a hobbing machine penetrates through the through holes of the pressing plate and the connecting sleeve and is located right above the hydraulic hobbing mandrel in the axial.
2. A driven gear hydraulic hobbing clamp according to claim 1, wherein O-rings are provided between the outer wall of the piston and the inner side wall of the hydraulic hobbing mandrel.
3. The hydraulic hobbing fixture for a driven gear according to claim 1, wherein the pressure plate is fixedly connected with the connecting sleeve by a second socket head cap screw and the helical compression spring, and the second socket head cap screw is disposed inside the helical compression spring.
4. The hydraulic hobbing fixture for driven gears according to claim 1, wherein the top end of the connecting sleeve is provided with a fixing screw perpendicular to the extending direction of the cylindrical through hole in the connecting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021202369.8U CN213531107U (en) | 2020-06-27 | 2020-06-27 | Hydraulic hobbing clamp for driven gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021202369.8U CN213531107U (en) | 2020-06-27 | 2020-06-27 | Hydraulic hobbing clamp for driven gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213531107U true CN213531107U (en) | 2021-06-25 |
Family
ID=76476261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021202369.8U Active CN213531107U (en) | 2020-06-27 | 2020-06-27 | Hydraulic hobbing clamp for driven gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213531107U (en) |
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2020
- 2020-06-27 CN CN202021202369.8U patent/CN213531107U/en active Active
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