CN212443589U - Dabber subassembly is used in big terminal surface gear grinding processing - Google Patents

Abstract

A mandrel component for gear grinding processing of a large-end face gear relates to the technical field of gear processing and comprises a mandrel, the mandrel sequentially comprises a front shaft section, a positioning part used for matching with an inner hole of the large face gear, a middle shaft section and a rear shaft section from front to back, the diameter of the front shaft section is smaller than that of the positioning part, a pressing block is detachably sleeved on the front shaft section, an adjusting nut is connected with the front shaft section positioned on the front side of the pressing block in a threaded manner and rotates, the right end face of the pressing block can prop against the front end of the positioning part, the middle shaft section is detachably sleeved with a supporting plate through a thread, an elastic O-shaped ring is annularly arranged on the front end surface of the supporting plate, the elastic O-shaped ring protrudes forwards from the front end surface of the supporting plate to rotate the supporting plate, the elastic O-shaped ring can be abutted against the rear end face of the large face gear, and the front end face of the large face gear is abutted against the pressing block. The utility model discloses can improve the rigidity behind the big face gear clamping to improve the gerar grinding precision.

Description

Dabber subassembly is used in big terminal surface gear grinding processing

Technical Field

The utility model belongs to the technical field of the gear machining technique and specifically relates to indicate a dabber subassembly is used in processing of big face gear gerar grinding.

Background

In the gear grinding process of the gear, the gear is usually positioned and clamped on a mandrel, so that two end faces of the gear are clamped, and then the gear is ground by synchronously rotating with the mandrel. Because the contact area when the two end faces of the gear are clamped is small, when the large end face gear is machined, the rigidity of the large end face gear is insufficient due to the clamping structure, and finally the machined gear grinding precision is not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a big terminal gear is dabber subassembly for gear grinding processing can improve the rigidity behind the big terminal gear clamping to improve the gear grinding precision.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a dabber subassembly is used in processing of big terminal surface gear gerar grinding, includes the dabber, the dabber is by going to back including preceding shaft segment in proper order, be used for cooperating location portion, axis section and the rear axle section in big terminal surface gear hole, the diameter of preceding shaft segment is less than the diameter of location portion, can dismantle the cover on the preceding shaft segment and be equipped with the briquetting, be located threaded connection has adjusting nut on the preceding shaft segment of briquetting front side, rotates adjusting nut can make the right-hand member face of briquetting supports the front end of location portion, the cover can be dismantled through the screw thread to the well shaft segment is equipped with the backup pad, the preceding terminal surface of backup pad is gone up the annular and is provided with elasticity O type circle, elasticity O type circle is from the preceding terminal surface of backup pad forward protrusion, rotates the backup pad can make elasticity O type circle supports the rear end face of leaning on big terminal surface gear.

Preferably, the outer diameter of the middle shaft section is larger than that of the positioning part.

More preferably, the side wall surface of the support plate is provided with at least two blind holes along the radial direction.

More preferably, a groove is annularly formed on the front end surface of the support plate, the elastic O-ring is fixedly installed in the groove, and the thickness of the elastic O-ring is greater than the depth of the groove.

More preferably, the elastic O-ring is made of rubber material.

The beneficial effects of the utility model reside in that: through set up the backup pad on the dabber to make the elasticity O type circle of backup pad front end support and lean on in big face gear's rear end face, can improve the rigidity behind the big face gear clamping, thereby improve the gear grinding precision.

Drawings

Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention when clamping a large face gear.

The reference signs are:

1 a-front shaft section 1 b-positioning part 1 c-middle shaft section

1 d-rear shaft section 2-big end face gear 3-pressing block

4-adjusting nut 5-supporting plate 6-elastic O-shaped ring

7-blind hole.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

It should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, in the present disclosure, unless explicitly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but 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 thus, should not be construed as limiting the present invention.

As shown in fig. 1, the mandrel component for gear grinding processing of the large face gear comprises a mandrel, the mandrel sequentially comprises a front shaft section 1a, a positioning part 1b for matching with an inner hole of the large face gear 2, a middle shaft section 1c and a rear shaft section 1d from front to back, the diameter of the front shaft section 1a is smaller than that of the positioning part 1b, a pressing block 3 is detachably sleeved on the front shaft section 1a, an adjusting nut 4 is connected with the front shaft section 1a on the front side of the pressing block 3 in a threaded manner, the adjusting nut 4 is rotated, the right end face of the pressing block 3 can prop against the front end of the positioning part 1b, the middle shaft section 1c is detachably sleeved with a supporting plate 5 through threads, an elastic O-shaped ring 6 is annularly arranged on the front end face of the supporting plate 5, the elastic O-shaped ring 6 protrudes forwards from the front end face of the supporting plate 5, the supporting plate 5 is rotated, the elastic O-shaped ring 6 can be abutted against the rear end face of the large face gear 2, and the front end face of the large face gear 2 is abutted against the pressing block 3.

When the spindle assembly for processing the gear grinding of the large face gear provided by the above embodiment is used, firstly, the large face gear 2 is installed, the inner hole of the large face gear 2 is sleeved on the positioning portion 1b, then, the pressing block 3 and the adjusting nut 4 are installed in the front shaft section 1a, the adjusting nut 4 is rotated to press the pressing block 3 against the left end face of the positioning portion 1b, the outer diameter of the pressing block 3 is larger than the outer diameter of the positioning portion 1b, then, the supporting plate 5 is installed on the middle shaft section 1c, the supporting plate 5 is rotated forward to make the elastic O-ring abut against the rear end face of the large face gear 2, and simultaneously, the front end face of the large face gear 2 abuts against the pressing block 3, at this time, the work of clamping the large face gear 2 to the spindle is completed, and it should be known to a person skilled in the art that the size of the supporting plate 5 can be designed according to the size of the large face gear 2 to make the elastic O-ring 6, therefore, the stability of supporting and clamping the large face gear 2 is improved to a great extent, the rigidity of the large face gear 2 is improved, and the large face gear grinding machine is more beneficial to gear grinding.

Preferably, the outer diameter of the middle shaft section 1c is larger than the outer diameter of the positioning portion 1b, which makes the front end face of the middle shaft section 1c reliable backward when the large face gear 2 is installed, facilitating positioning.

More preferably, at least two blind holes 7 are radially formed on the side wall surface of the supporting plate 5, and the supporting plate 5 can be easily rotated by inserting a round bar auxiliary tool into the blind holes 7 and then holding the round bar, thereby improving the clamping and disassembling efficiency.

More preferably, a groove is annularly provided on the front end surface of the support plate 5, the elastic O-ring 6 is fixedly installed in the groove, and the thickness of the elastic O-ring 6 is larger than the depth of the groove.

In addition, in the present embodiment, it is more preferable that the elastic O-ring 6 is made of a rubber material.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

In order to make it easier for those skilled in the art to understand the improvement of the present invention over the prior art, some drawings and descriptions of the present invention have been simplified, and in order to clarify, some other elements have been omitted from this document, those skilled in the art should recognize that these omitted elements may also constitute the content of the present invention.

Claims (5)

1. Big end face gear grinds dabber subassembly for tooth processing, including the dabber, its characterized in that: the core shaft sequentially comprises a front shaft section (1 a), a positioning part (1 b) used for matching with an inner hole of a large end face gear (2), a middle shaft section (1 c) and a rear shaft section (1 d) from front to back, the diameter of the front shaft section (1 a) is smaller than that of the positioning part (1 b), a pressing block (3) is detachably sleeved on the front shaft section (1 a), an adjusting nut (4) is connected to the front shaft section (1 a) on the front side of the pressing block (3) in a threaded manner, the adjusting nut (4) is rotated to enable the right end face of the pressing block (3) to abut against the front end of the positioning part (1 b), a supporting plate (5) is detachably sleeved on the middle shaft section (1 c) through threads, an elastic O-shaped ring (6) is annularly arranged on the front end face of the supporting plate (5), and the elastic O-shaped ring (6) protrudes forwards from the front end face of the supporting, the supporting plate (5) is rotated, so that the elastic O-shaped ring (6) is abutted against the rear end face of the large face gear (2), and the front end face of the large face gear (2) is abutted against the pressing block (3).

2. The spindle assembly for large face gear grinding according to claim 1, wherein: the outer diameter of the middle shaft section (1 c) is larger than that of the positioning part (1 b).

3. The spindle assembly for large face gear grinding according to claim 2, wherein: at least two blind holes (7) are radially arranged on the side wall surface of the supporting plate (5).

4. The spindle assembly for large face gear grinding according to claim 3, wherein: the front end face of the supporting plate (5) is annularly provided with a groove, the elastic O-shaped ring (6) is fixedly arranged in the groove, and the thickness of the elastic O-shaped ring (6) is larger than the depth of the groove.

5. The spindle assembly for large face gear grinding according to claim 4, wherein: the elastic O-shaped ring (6) is made of rubber materials.

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