Rolling, reversing and shaving integrated dense bead sleeve clamp

Abstract

The utility model relates to the technical field of gear machining, in particular to a rolling, reversing and shaving integrated dense ball sleeve clamp which comprises a mandrel, the mandrel is of a six-section type stepped shaft structure and sequentially comprises a first shaft section, a second shaft section, a third shaft section, a fourth shaft section, a fifth shaft section and a sixth shaft section from left to right, a driving sleeve is arranged on the first shaft section, and the driving sleeve is arranged on the second shaft section. A copper-based steel ball dense ball sleeve is arranged on the fourth shaft section, a compression spring and a pressing plate are arranged on the fifth shaft section, the left end of the compression spring is axially limited on the fourth shaft section, the right end of the compression spring is axially limited on the pressing plate, a cover plate is arranged on the pressing plate, and a nut is arranged on the sixth shaft section. The problems that among different machining technologies, the universality of a workpiece clamp is low, the workpiece abrasion risk is increased, the product percent of pass is low, the production efficiency is low, and the production cost is high can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear machining technical field, concretely is roll, reverse, shave integrated dense pearl cover clamp. BACKGROUND

[0002] Gear machining process hobbing, chamfering and shaving are three important process steps. When hobbing, hobbing cutter and workpiece rotate according to certain speed ratio, and tooth shape is cut on workpiece, workpiece is fixedly connected with driving shaft of hobbing machine through hobbing clamp and rotates along with driving shaft. When chamfering, workpiece is fixed on driving shaft of chamfering equipment through chamfering clamp and rotates along with driving shaft, and chamfering tool feeds along the axial or radial direction of workpiece, and chamfer or roundness is cut. When shaving, shaving cutter meshes with workpiece gear and drives workpiece to rotate, and workpiece is supported on support shaft of shaving machine through shaving clamp. When workpiece is machined, different clamps need to be used according to different machining processes of workpiece, and the generality between clamps is poor, which leads to frequent loading and unloading of workpiece during machining, increases the risk of workpiece wear, increases product failure rate, and increases the burden of operating personnel, reduces production efficiency and increases production cost. SUMMARY

[0003] The utility model provides roll, reverse, shave integrated dense pearl cover clamp, can solve the problem between different machining processes, the generality of workpiece clamp is low, increases workpiece wear risk, product pass rate is low, production efficiency is low, and the problem of high production cost.

[0004] The application provides the following technical scheme:

[0005] Roll, reverse, shave integrated dense pearl cover clamp, including the mandrel, the mandrel is six segment type ladder shaft structure, left to right is first axle section, second axle section, third axle section, fourth axle section, fifth axle section and sixth axle section in proper order, be equipped with the drive sleeve on the first axle section, be equipped with copper base steel ball dense pearl cover on the fourth axle section, be equipped with compression spring and pressure plate on the fifth axle section, the left end of the compression spring is axially limited in the fourth axle section, and the right end is axially limited in the pressure plate, be equipped with the cover plate on the pressure plate, be equipped with the nut on the sixth axle section.

[0006] Beneficial effect: the roll, reverse, shave integrated dense pearl cover clamp of the technical scheme can be used in hobbing, chamfering and shaving machining process, the generality of clamp is strong, reduces the frequency of workpiece loading and unloading, effectively reduces the risk of workpiece wear, guarantees workpiece quality and precision, improves production efficiency. Through drive sleeve, the rotation accuracy of workpiece can be ensured, transmission error is reduced, and machining accuracy is improved. Through copper base steel ball dense pearl cover, the friction between mandrel and workpiece can be reduced, the service life of mandrel is prolonged, and cost is reduced.

[0007] Further, the end face of the drive sleeve is provided with a positioning groove.

[0008] Beneficial effects: the driving sleeve is fixed in the circumferential direction through the positioning groove and the protrusion on the driving knife edge tooling of the gear hobbing machine or chamfering equipment, reducing the position error in the clamping process and improving the machining precision.

[0009] Further, the diameter of the third shaft segment of the mandrel is the largest, and the diameters of the shaft segments gradually decrease from the third shaft segment to the left end or the right end.

[0010] Beneficial effects: facilitate the disassembly of the workpiece and ensure the stability of the workpiece and the mandrel during high-speed rotation machining.

[0011] Further, a groove is arranged on the stepped surface between the third shaft segment and the fourth shaft segment of the mandrel.

[0012] Beneficial effects: reduce the contact area with the workpiece, reduce the wear between the clamp and the workpiece, ensure the precision of the workpiece, and prolong the service life of the clamp.

[0013] Further, a cutting surface is arranged on the outer peripheral wall of the fifth shaft segment of the mandrel, and the inner hole of the pressing plate is a flat hole, which cooperates with the cutting surface of the fifth shaft segment to limit the circumferential position of the pressing plate and the fifth shaft segment.

[0014] Beneficial effects: through the cooperation of the cutting surface and the flat hole, the pressing plate and the mandrel are guaranteed to rotate synchronously, the error is reduced, and the machining precision is ensured.

[0015] Further, a let-in slot is arranged on the end face of the cover plate relative to the fourth shaft segment.

[0016] Beneficial effects: the let-in slot allows the fourth shaft segment or the baffle to let in, which can be applied to workpieces of different thicknesses, improves the versatility of the workpiece, avoids impact during the process of the cover plate pressing the workpiece, and prolongs the service life of the clamp.

[0017] Further, a network is arranged on the outer peripheral wall of the cover plate, and an annular groove is arranged in the middle of the outer peripheral wall of the cover plate.

[0018] Beneficial effects: facilitate the operator to hold the cover plate for disassembly and assembly, avoid dropping during the process of disassembly and assembly, affect the quality of the cover plate, and shorten the service life of the cover plate.

[0019] Further, an outwardly extending protrusion is arranged on the outer peripheral wall of the pressing plate, and a sliding groove that slidably cooperates with the protrusion of the pressing plate is arranged on the hole wall of the inner hole of the cover plate.

[0020] Beneficial effects: through the cooperation of the protrusion and the sliding groove, the cover plate can be detachably installed on the pressing plate, improving the disassembly efficiency of the workpiece, and further improving the production efficiency and reducing the production cost.

[0021] Further, the right end of the compression spring is provided with an end head extending to the pressing plate direction, and the end head is installed in the mounting groove provided on the protrusion.

[0022] Beneficial effects: ensure the compression spring and the pressing block and the mandrel rotate synchronously, reduce the wear between components, prolong the service life of the clamp, and avoid affecting the workpiece.

[0023] Further, a baffle is sleeved on the fifth section shaft of the mandrel, the baffle is located between the fourth section shaft and the compression spring, the outer diameter of the baffle is greater than the inner diameter of the copper-based steel ball dense bead sleeve and less than the outer diameter of the copper-based steel ball dense bead sleeve.

[0024] Beneficial effects: when the workpiece is disassembled, the copper-based steel ball dense bead sleeve can be effectively prevented from separating from the fourth section shaft along with the workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structure schematic view of the rolling, overturning and shaving integrated dense bead sleeve clamp embodiment one of the utility model.

[0026] Figure 2 It is a sectional view of the driving sleeve of the rolling, overturning and shaving integrated dense bead sleeve clamp embodiment one of the utility model.

[0027] Figure 3 It is a left view of the driving sleeve of the rolling, overturning and shaving integrated dense bead sleeve clamp embodiment one of the utility model.

[0028] Figure 4 It is a mandrel schematic view of the rolling, overturning and shaving integrated dense bead sleeve clamp embodiment one of the utility model, wherein a is a front view of the mandrel, b is an A-A sectional view of a, and c is a B-B sectional view of a.

[0029] Figure 5 It is a left view of the cover plate of the rolling, overturning and shaving integrated dense bead sleeve clamp embodiment one of the utility model.

[0030] Figure 6 It is a partial sectional view of the cover plate of the rolling, overturning and shaving integrated dense bead sleeve clamp embodiment one of the utility model.

[0031] Figure 7 It is a left view of the pressing plate of the rolling, overturning and shaving integrated dense bead sleeve clamp embodiment one of the utility model.

[0032] Figure 8 It is an axial view of the pressing plate of the rolling, overturning and shaving integrated dense bead sleeve clamp embodiment one of the utility model.

[0033] Figure 9 It is a structure schematic view of the rolling, overturning and shaving integrated dense bead sleeve clamp embodiment four of the utility model. DETAILED DESCRIPTION

[0034] The specific embodiments are further described in detail below:

[0035] The marks in the attached drawings of the specification include: driving sleeve 1, mandrel 2, copper-based steel ball bead sleeve 3, workpiece 4, compression spring 5, cover plate 6, pressing plate 7, nut 8, positioning groove 9, groove 10, cutting surface 11, flat hole 12, protrusion 13, sliding groove 14, let go of the slot 15, net 16, annular groove 17, installation groove 18, cutting plane 19, baffle 20.

[0036] Example one

[0037] As Figures 1 to 8As shown, the integrated rolling, chamfering and shaving die holder for dense bead sleeve includes a mandrel 2, which is a six-section stepped shaft structure, and sequentially includes a first shaft section, a second shaft section, a third shaft section, a fourth shaft section, a fifth shaft section and a sixth shaft section from left to right, wherein the third shaft section has the largest outer diameter, and the diameter of the shaft section gradually decreases from the third shaft section to the left end or the right end. The first shaft section is provided with a driving sleeve 1, which is fixed on the first shaft section by interference fit. The left end surface of the driving sleeve 1 is uniformly provided with a plurality of positioning grooves 9, which are used for plug-in cooperation with the protrusions on the driving knife edge tooling of the gear hobbing machine or the chamfering equipment to fixedly connect the mandrel 2 with the driving knife edge in the circumferential direction. The second shaft section has a rectangular cross section, and the outer peripheral wall of the second shaft section is provided with a network pattern. The stepped surface between the second shaft section and the third shaft section is a slope, and the stepped surface between the third shaft section and the fourth shaft section is provided with a groove 10. The fourth shaft section is provided with a copper-based steel ball dense bead sleeve 3. In use, a workpiece 4 is sleeved on the copper-based steel ball dense bead sleeve 3, so that the workpiece 4 and the copper-based steel ball dense bead sleeve 3, and the copper-based steel ball dense bead sleeve 3 and the mandrel 2 are all in interference fit, and the workpiece 4 is fixed on the mandrel 2 in the circumferential direction. The outer peripheral wall of the fifth shaft section is provided with two symmetrical cut surfaces 11. The left end of the fifth shaft section is provided with a compression spring 5, and the right end of the fifth shaft section is provided with a pressing plate 7. The inner hole of the pressing plate 7 is a flat hole 12 corresponding to the shape of the outer periphery of the fifth shaft section. The flat hole 12 cooperates with the cut surface 11 of the fifth shaft section to limit the circumferential position of the pressing plate 7 and the fifth shaft section, and the pressing plate 7 and the fifth shaft section are axially slidingly connected. The outer right end of the pressing plate 7 is provided with three outwardly extending protrusions 13, which are uniformly distributed on the outer periphery of the pressing plate 7. The left end of the compression spring 5 is axially limited on the stepped surface between the fourth shaft section and the fifth shaft section, and the right end of the compression spring 5 is axially limited on the left end surface of the pressing plate 7. The outer periphery of the compression spring 5 and the pressing plate 7 is provided with a detachable cover plate 6, which is slidingly connected with the compression spring 5 and the pressing plate 7. The inner hole of the cover plate 6 is a cylindrical hole, and the hole wall of the inner hole is provided with three evenly distributed sliding grooves 14 slidingly connected with the protrusions 13 of the pressing plate 7. The left end surface of the cover plate 6 is provided with a recess 15. The sixth shaft section is provided with a nut 8, which is threadedly connected with the sixth shaft section through the external threads on the outer peripheral wall. The nut 8 abuts against the pressing plate 7 and provides axial limitation for the pressing plate 7. In use, the nut 8 drives the pressing plate 7 to move to the left end to compress the compression spring 5, and the nut 8 moves to the right to drive the pressing plate 7 to move to the right under the elastic force of the compression spring 5. The left and right end surfaces of the mandrel 2 are provided with blind holes for cooperation with the supporting shaft of the gear shaving machine, and the hole opening of the blind hole is a tapered hole and the hole bottom is a cylindrical hole.

[0038] The use method is as follows:

[0039] When the workpiece is mounted and dismounted, the nut 8 on the mandrel 2 moves to the right end, the pressing plate 7 moves to the right end under the action of the rebound force of the compression spring 5, the cover plate 6 rotates circumferentially, the sliding slot 14 of the cover plate 6 is aligned with the protrusion 13 of the pressing plate 7, the cover plate 6 moves to the right end, and the cover plate 6 is separated from the mandrel 2 through the nut 8 and the pressing plate 7. The workpiece 4 is set in the copper-based steel ball dense bead sleeve 3 and circumferentially fixed by passing through the nut 8, the pressing plate 7, the compression spring 5, and the copper-based steel ball dense bead sleeve 3. The cover plate 6 passes through the nut 8 from the right end and is arranged on the left end of the pressing plate 7. The cover plate 6 is rotated to make the sliding slot 14 of the cover plate 6 dislocated from the protrusion 13 of the cover plate 6. The protrusion 13 is abutted against the cover plate 6. The nut 8 is tightened to move to the left end, and the pressing plate 7 and the cover plate 6 are further moved to the left end. The workpiece 4 is tightly abutted on the stepped surface of the third shaft section and the fourth shaft section, so that the workpiece 4 is fixed on the mandrel 2. When the workpiece 4 is processed by gear hobbing or chamfering, the mandrel 2 is circumferentially fixedly connected with the driving knife edge through the driving sleeve 1 and the protrusion inserted and matched on the driving knife edge tooling of the gear hobbing machine or the chamfering equipment, so that the workpiece 4 is synchronously rotated with the driving knife edge to complete the processing. When the workpiece 4 is processed by gear shaving, the blind hole at the left and right ends of the mandrel 2 is supported on the supporting shaft of the gear shaving machine, and the gear shaving cutter is engaged with the workpiece 4 to drive the workpiece 4 to rotate to complete the processing.

[0040] Example Two

[0041] The difference between this embodiment and example one is that the outer peripheral wall of the cover plate 6 is provided with a net pattern 16, and the outer peripheral wall of the cover plate 6 is provided with an annular groove 17. Thus, the operator can hold the cover plate 6 to operate the disassembly and assembly, avoid the cover plate 6 from falling during the mounting and dismounting process, affect the quality of the cover plate 6, and shorten the service life of the cover plate 6.

[0042] Example Three

[0043] The difference between this embodiment and example one is that the protrusion 13 of the pressing plate 7 is provided with a mounting groove 18 on the left end surface opposite to the compression spring 5, and the outer peripheral left end of the pressing plate 7 is provided with a cut plane 19 corresponding to the mounting groove 18. The right end of the compression spring 5 is provided with an end head extending to the pressing plate 7. The end head passes through the mounting groove 18 from the channel formed between the cut plane 19 of the pressing plate 7 and the inner wall of the cover plate 6, so that the compression spring 5 is circumferentially limited in the pressing plate 7.

[0044] Example Four

[0045] As Figure 9As shown, the difference between the embodiment and the embodiment one is that the fifth section shaft of the mandrel 2 is sleeved with a baffle 20, the baffle 20 is located between the stepped surface between the fourth section shaft and the fifth section shaft and the compression spring 5 and is located in the groove 10 at the left end of the cover plate 6, the outer diameter of the baffle 20 is greater than the inner diameter of the copper-based steel ball bead sleeve 3 and is smaller than the outer diameter of the copper-based steel ball bead sleeve 3. When the workpiece 4 is disassembled, the copper-based steel ball bead sleeve 3 can be effectively prevented from being separated from the fourth section shaft with the workpiece 4.

[0046] The above is only the embodiment of the utility model, the utility model is not limited to this embodiment case involved field, the specific structure and the characteristics of the scheme known in the art and the like are not described too much herein. It should be pointed out that for those skilled in the art, without departing from the structure of the utility model, a number of deformations and improvements can also be made, which should also be considered as the protection scope of the utility model, which will not affect the effect and the practicability of the patent. The protection scope claimed in the application should be subject to the content of its claims, and the specific implementation mode and the like recorded in the specification can be used to explain the content of the claims.

Claims

1. An integrated bead set fixture for rolling, pouring and shaving, including a core shaft, characterized in that: The core shaft is a six-section stepped shaft structure, which includes the first shaft section, the second shaft section, the third shaft section, the fourth shaft section, the fifth shaft section and the sixth shaft section from left to right. The first shaft section is provided with a drive sleeve, the fourth shaft section is provided with a copper-based steel ball bead sleeve, the fifth shaft section is provided with a compression spring and a pressure plate, the left end of the compression spring is axially limited at the fourth shaft section, and the right end is axially limited at the pressure plate, a cover plate is provided on the pressure plate, and a nut is provided on the sixth shaft section.

2. The integrated rolling, pouring and shaving bead set fixture according to claim 1, characterized in that: The end surface of the driving sleeve is provided with a positioning groove.

3. The integrated rolling, pouring and shaving bead set fixture according to claim 1, characterized in that: The third shaft section of the core shaft has the largest diameter, and the diameters of the shaft sections decrease successively from the third shaft section toward the left end or the right end.

4. The integrated rolling, pouring and shaving bead set fixture according to claim 1, characterized in that: A groove is provided on the stepped surface between the third shaft section and the fourth shaft section of the core shaft.

5. The integrated rolling, pouring and shaving bead set fixture according to claim 1, characterized in that: A section is provided on the outer peripheral wall of the fifth shaft segment of the core shaft, and the inner hole of the pressure plate is a flat hole. The flat hole cooperates with the section of the fifth shaft segment to limit the pressure plate and the fifth shaft segment in circumferential direction.

6. The integrated rolling, pouring and shaving bead set fixture according to claim 1, characterized in that: A clearance groove is provided on the end surface of the cover plate opposite to the fourth shaft segment.

7. The integrated rolling, pouring and shaving bead set fixture according to claim 6, characterized in that: The outer peripheral wall of the cover plate is provided with a mesh pattern, and the middle part of the outer peripheral wall of the cover plate is provided with an annular groove.

8. The integrated rolling, pouring and shaving bead set fixture according to claim 1, characterized in that: The outer peripheral wall of the pressure plate is provided with a protrusion extending outward, and the hole wall of the inner hole of the cover plate is provided with a sliding groove that slidably cooperates with the protrusion of the pressure plate.

9. The integrated rolling, pouring and shaving bead set fixture according to claim 8, characterized in that: The right end of the compression spring is provided with an end head extending toward the pressure plate, and the end head is installed in a mounting groove provided on the protrusion.

10. The integrated rolling, pouring and shaving bead set fixture according to claim 1, characterized in that: A baffle is sleeved on the fifth section of the core shaft, and the baffle is located between the fourth section of the shaft and the compression spring. The outer diameter of the baffle is larger than the inner diameter of the copper-based steel ball dense bead sleeve and smaller than the outer diameter of the copper-based steel ball dense bead sleeve.

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