Chamfering device

Abstract

The utility model relates to the field of machinery, in particular to a chamfering device used for chamfering the edge of an orifice of a machining hole. Comprising a chamfering tool, a main shaft, a sealing cover, a needle bearing, a main sleeve, a gear combination, an inner gear and a clamp spring. The round hole chamfering device is reasonable in structure, easy and convenient to operate and capable of chamfering the edge of a machined round hole conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical field, especially point to a chamfering device for chamfering hole orifice edge of processing hole. BACKGROUND

[0002] In machining, after processing inner hole, it is usually needed to chamfer hole orifice edge of processing hole. SUMMARY

[0003] In order to solve above-mentioned problem, the utility model provides a chamfering device.

[0004] The utility model employs the technical scheme of:

[0005] The chamfering device includes chamfering tool, main shaft, cover, needle bearing, main sleeve, gear combination, internal gear and clasp spring.

[0006] The main sleeve is equipped with bearing mounting hole and handle.

[0007] The gear combination includes support sleeve, transition gear, pinion and gear cover.

[0008] The main shaft is equipped with tool installation cylinder, cover installation cylinder, journal, support sleeve installation cylinder, pinion installation cylinder and clasp spring groove.

[0009] The pinion installation cylinder is a section of cylinder with notch, the pinion is equipped with notch inner hole, and the pinion installation cylinder cooperates with the notch inner hole of the pinion.

[0010] The support sleeve is equipped with support sleeve inner hole, transition gear installation cylinder and gear cover installation cylinder.

[0011] The internal gear is equipped with internal gear tooth, internal gear inner hole and internal gear handle.

[0012] The inner hole of the needle bearing is installed into the journal, the bearing mounting hole is sleeved into the outer circle of the needle bearing, the support sleeve is sleeved into the main shaft, the support sleeve inner hole cooperates with the support sleeve installation cylinder, the pinion is installed into the pinion installation cylinder, the transition gear is installed into the transition gear installation cylinder, the transition gear is engaged with the pinion, the gear cover is installed into the gear cover installation cylinder and riveted, the internal gear inner hole is sleeved into the pinion installation cylinder, the internal gear tooth is engaged with the transition gear, the clasp spring is installed into the clasp spring groove, and the cover is installed into the bearing mounting hole.

[0013] The utility model has the advantages of:

[0014] The utility model discloses a reasonable structure, easy operation can conveniently chamfer the edge of the round hole orifice of processing. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model discloses further illustrate in combination with the figure of the utility model:

[0016] Figure 1 It is the structure schematic diagram of the utility model.

[0017] Figure 2 It is the explosion drawing of the utility model.

[0018] Figure 3 It is the explosion drawing of the gear combination.

[0019] Figure 4 It is the structure schematic diagram of the main shaft.

[0020] Figure 5 It is the structure schematic diagram of the support cover, for the convenience of display, the support cover is cut away half.

[0021] Figure 6 It is the structure schematic diagram of the main cover.

[0022] Figure 7 It is the structure schematic diagram of the internal gear.

[0023] In the drawing, 1. chamfering tool, 2. main shaft, 3. cover, 4. needle bearing, 5. main cover, 6. gear combination, 7. internal gear, 8. circlip, 21. tool installation cylinder, 22. cover installation cylinder, 23. journal, 24. support cover installation cylinder, 25. pinion installation cylinder, 26. circlip groove, 51. bearing installation hole, 52. handle, 61. support cover, 62. transition gear, 63. pinion, 64. gear cover, 611. support cover inner hole, 612. transition gear installation cylinder, 613. gear cover installation cylinder, 71. internal gear tooth, 72. internal gear inner hole, 73. internal gear handle. DETAILED DESCRIPTION

[0024] The technical scheme in the utility model embodiment will be clearly and completely described in combination with the drawings in the utility model embodiment; Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment, based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor belong to the range of the utility model protection.

[0025] It is the preferred embodiment of the utility model.

[0026] As Figure 1 , Figure 2The chamfering device comprises the chamfering tool 1, the main shaft 2, the cover 3, the needle bearing 4, the main sleeve 5, the gear assembly 6, the inner gear 7 and the circlip 8.

[0027] As shown in Figure 6 The main sleeve 5 is provided with the bearing mounting hole 51 and the handle 52.

[0028] As shown in Figure 3 The gear assembly 6 comprises the support sleeve 61, the transition gear 62, the pinion 63 and the gear cover 64.

[0029] As shown in Figure 4 The main shaft 2 is provided with the tool mounting cylinder 21, the cover mounting cylinder 22, the journal 23, the support sleeve mounting cylinder 24, the pinion mounting cylinder 25 and the circlip groove 26.

[0030] The pinion mounting cylinder 25 is a cylinder with a notch, the pinion 63 is provided with a notched inner hole, and the pinion mounting cylinder 25 cooperates with the notched inner hole of the pinion 63.

[0031] As shown in Figure 5 The support sleeve 61 is provided with the support sleeve inner hole 611, the transition gear mounting cylinder 612 and the gear cover mounting cylinder 613.

[0032] As shown in Figure 7 The inner gear 7 is provided with the inner gear teeth 71, the inner gear inner hole 72 and the inner gear handle 73.

[0033] The inner hole of the needle bearing 4 is mounted on the journal 23, the bearing mounting hole 51 is sleeved on the outer circle of the needle bearing 4, the support sleeve 61 is sleeved on the main shaft 2, the support sleeve inner hole 611 cooperates with the support sleeve mounting cylinder 24, the pinion 63 is mounted on the pinion mounting cylinder 25, three transition gears 62 are respectively mounted on three transition gear mounting cylinders 612, the transition gears 62 mesh with the pinion 63, the gear cover 64 is mounted on the gear cover mounting cylinder 613 and riveted, the inner gear inner hole 72 is sleeved on the pinion mounting cylinder 25, the inner gear teeth 71 mesh with the transition gears 62, and the circlip 8 is mounted in the circlip groove 26. The cover 3 is mounted in the bearing mounting hole 51, the inner hole of the cover 3 is clearance fit with the cover mounting cylinder 22, and the outer circle of the cover 3 is interference fit with the bearing mounting hole 51.

[0034] The chamfering tool 1 is provided with a notched inner hole which cooperates with the tool mounting cylinder 21.

[0035] In use, the chamfering tool 1 is installed in the tool mounting cylinder 21, one hand holds the handle 52, one hand holds the internal gear handle 73, the taper of the chamfering tool 1 is inserted into an inner hole to be chamfered, and the internal gear handle 73 is uniformly shaken in the clockwise direction.

[0036] It should be noted finally that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the scope of protection of the present application. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the essence and scope of the technical solutions of the present application.

Claims

1. A chamfering tool, comprising a chamfering cutter, a spindle, a cover, a needle roller bearing, a main sleeve, a gear assembly, an internal gear, and a retaining ring; characterized in that: The main sleeve is provided with a bearing mounting hole and a handle; the gear assembly includes a support sleeve, a transition gear, a pinion, and a gear cover; the main shaft is provided with a tool mounting cylinder, a cover mounting cylinder, a journal, a support sleeve mounting cylinder, a pinion mounting cylinder, and a snap ring groove; the pinion mounting cylinder is a section of cylinder with a notch, the pinion has a notched inner hole, and the pinion mounting cylinder mates with the notched inner hole of the pinion; the support sleeve is provided with a support sleeve inner hole, a transition gear mounting cylinder, and a gear cover mounting cylinder; the internal gear is provided with internal gear teeth, an internal gear inner hole, and an internal gear handle; the needle roller bearing is... The inner hole of the bearing is inserted into the journal, the bearing mounting hole is fitted into the outer circle of the needle roller bearing, the support sleeve is fitted into the main shaft, the inner hole of the support sleeve mates with the support sleeve mounting cylinder, the pinion is installed into the pinion mounting cylinder, the transition gear is installed into the transition gear mounting cylinder, the transition gear meshes with the pinion, the gear cover is installed into the gear cover mounting cylinder and riveted; the inner hole of the internal gear is fitted into the pinion mounting cylinder, the teeth of the internal gear mesh with the transition gear, the snap ring is installed into the snap ring groove; the cover is installed into the bearing mounting hole.

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