CN214867347U - Bipyramid opening cover anchor clamps that rise - Google Patents

Bipyramid opening cover anchor clamps that rise Download PDF

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Publication number
CN214867347U
CN214867347U CN202121133672.1U CN202121133672U CN214867347U CN 214867347 U CN214867347 U CN 214867347U CN 202121133672 U CN202121133672 U CN 202121133672U CN 214867347 U CN214867347 U CN 214867347U
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CN
China
Prior art keywords
conical surface
rise
sleeve
rises
inclination angle
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Active
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CN202121133672.1U
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Chinese (zh)
Inventor
栗志丰
赵付银
王文英
位庆波
王银根
王来发
霍贵民
王保昌
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Anyang Huawei Gear Co ltd
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Anyang Huawei Gear Co ltd
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Priority to CN202121133672.1U priority Critical patent/CN214867347U/en
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Abstract

The utility model discloses a bipyramid opening cover anchor clamps that rise, including base, the tight cover that rises, uide bushing and lock nut, the base includes the fixed terminal surface brace table and the dabber of mutually perpendicular, the dabber outside is equipped with along the axis in proper order and rises tight cover, uide bushing and lock nut, lock nut passes through threaded connection with the dabber, the inner wall both ends that rise tight cover all are provided with the conical surface, the lateral wall that rises tight cover both ends all is provided with the open slot, the position that the tight cover that rises is touched to tip brace table and direction cover all is provided with the conical surface that agrees with mutually, and this bipyramid opening cover anchor clamps that rise adopts bipyramid rises to establish the design, can rise tightly in step in both ends, eliminates the clearance between dabber and the work piece shaft hole, promotes positioning accuracy.

Description

Bipyramid opening cover anchor clamps that rise
Technical Field
The utility model relates to a machining equipment technical field specifically is a bipyramid opening cover anchor clamps that rise.
Background
When gear machining is carried out, the shaft hole is mostly used as a positioning reference surface, but the problem of low positioning accuracy exists in the existing spindle positioning mode, and the accuracy requirement on a gear blank is high, so that a mode of adding the bellows sleeve outside the spindle is adopted in the prior art to eliminate the gap between the spindle and the hole wall and improve the positioning accuracy, but the bellows sleeve belongs to a thin-wall flexible part, the uniformity of the wall thickness is not easy to guarantee during machining, the positioning accuracy is reduced, and the service life is short.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a bipyramid opening cover anchor clamps that rise, adopt the bipyramid tight cover design that rises, can both ends rise tightly in step, eliminate the clearance between dabber and the work piece shaft hole, promote positioning accuracy, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bipyramid opening cover anchor clamps that rise, includes base, the cover that rises, uide bushing and lock nut, the base includes the tip brace table and the dabber that mutually perpendicular is fixed, the dabber outside along the axis in proper order the cover be equipped with rise tight cover, uide bushing and lock nut, lock nut passes through threaded connection with the dabber, the inner wall both ends of the cover that rise are all provided with the conical surface, the lateral wall at the cover both ends that rise all is provided with the open slot, the position that tip brace table and uide bushing contacted the tight cover that rises all is provided with the conical surface that agrees with mutually.
As a preferred technical solution of the present invention, the inclined angle of the tapered surface of the tension sleeve near the end supporting platform is β, the inclined angle of the tapered surface at the other end is α, α =30 °, and β =30 °;
the design of the large-taper conical surface is adopted, so that an operator can easily and manually screw the lock nut, and the workpiece can be conveniently and quickly detached and replaced.
As a preferred technical solution of the present invention, the inclined angle of the tapered surface of the tension sleeve near the end supporting platform is β, the inclined angle of the tapered surface at the other end is α, α =30 °, and β =60 °;
the taper of the conical surface of the lower end is reduced, so that the lower end tensioning sleeve is tensioned before the upper end, and the problem that the tensioning sleeve cannot move down after the upper end is tensioned is solved.
As a preferred technical scheme of the utility model, a ring groove is arranged at the contact position of the end supporting platform and the mandrel, and a floating support is arranged in the ring groove in a matching way;
by adding floating supports, over-positioning of the end supports is avoided.
As an optimal technical scheme of the utility model, the contact surface of unsteady support and ring channel is spherical, unsteady support is ring structure, and the inner ring diameter of unsteady support is greater than the diameter of axle that corresponds the position dabber.
Compared with the prior art, the beneficial effects of the utility model are that: this bipyramid opening cover anchor clamps that rise adopts and sets up the mode of conical surface at the tight cover both ends that rise, puts the tight cover that rises and when receiving axial extrusion, can make both ends outwards expand, initiatively eliminates the clearance between dabber and the work piece shaft hole to promote positioning accuracy, and for the bellows sleeve, the tight wall thickness of cover that rises is thick, and the relative processing degree of difficulty descends, life increases.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the present invention;
FIG. 3 is a schematic view of the expansion sleeve of the present invention;
FIG. 4 is a cross-sectional view of the tensioning sleeve of the present invention;
fig. 5 is another structural section view of the present invention.
In the figure: the device comprises a base 1, a core shaft 101, an end supporting table 102, a floating support 103, a tensioning sleeve 2, a guide sleeve 3 and a locking nut 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a bipyramid opening cover anchor clamps that rise, including base 1, rise tight cover 2, uide bushing 3 and lock nut 4, base 1 includes the fixed tip supporting bench 102 and dabber 101 of mutually perpendicular, dabber 101 outside along the axis in proper order the cover be equipped with rise tight cover 2, uide bushing 3 and lock nut 4, lock nut 4 passes through threaded connection with dabber 101, the inner wall both ends of the tight cover 2 that rise all are provided with the conical surface, the lateral wall at the tight cover 2 both ends that rise all is provided with the open slot, the position that the tight cover 2 was risen in tip supporting bench 102 and the contact of uide bushing 3 all is provided with the conical surface that agrees with mutually.
The inclination angle of the conical surface of the tensioning sleeve 2 close to the end supporting platform 102 is beta, the inclination angle of the conical surface at the other end is alpha, and alpha =30 degrees, and beta =30 degrees;
the design of the conical surface with large taper is adopted, so that an operator can easily and manually screw the lock nut 4, and the workpiece can be conveniently and quickly detached and replaced.
The inclination angle of the conical surface of the tensioning sleeve 2 close to the end supporting platform 102 is beta, the inclination angle of the conical surface at the other end is alpha, and alpha =30 degrees, and beta =60 degrees;
the taper of the conical surface of the lower end is reduced, so that the lower end tensioning sleeve 2 is tensioned before the upper end tensioning sleeve, and the problem that the tensioning sleeve 2 cannot move down after the upper end tensioning sleeve is tensioned is solved.
An annular groove is arranged at the contact position of the end supporting platform 102 and the mandrel 101, and a floating support 103 is arranged in the annular groove in a matching manner;
by adding floating supports, over-positioning of the end supports is avoided.
The contact surface of the floating support 103 and the annular groove is a spherical surface, the floating support is of an annular structure, and the diameter of the inner ring of the floating support is larger than the shaft diameter of the mandrel 101 at the corresponding position.
When in use: the tensioning sleeve 2, the guide sleeve 3 and the locking nut 4 are sequentially sleeved outside the mandrel 101, a workpiece is clamped outside the tensioning sleeve 2, the locking nut 4 is screwed at the moment, the guide sleeve 3 and the tensioning sleeve 2 are pressed downwards, and two ends of the tensioning sleeve 2 expand outwards under the action of the conical surface to position the workpiece.
The annular groove is formed in the middle of the outer portion of the tensioning sleeve 2, so that the contact area between the outer wall and the shaft hole of the workpiece is reduced, and the processing difficulty of the outer wall of the tensioning sleeve 2 is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a bipyramid opening cover anchor clamps that rise, includes base (1), rises and tightly overlaps (2), uide bushing (3) and lock nut (4), its characterized in that: the base (1) comprises an end supporting table (102) and a mandrel (101) which are perpendicular to each other and fixed, wherein a tensioning sleeve (2), a guide sleeve (3) and a locking nut (4) are sequentially sleeved outside the mandrel (101) along an axis, the locking nut (4) is in threaded connection with the mandrel (101), conical surfaces are arranged at two ends of the inner wall of the tensioning sleeve (2), open grooves are formed in side walls of two ends of the tensioning sleeve (2), and the end supporting table (102) and the guide sleeve (3) are in contact with the tensioning sleeve (2) and are provided with conical surfaces matched with each other.
2. The double-cone split expanding sleeve clamp of claim 1, wherein: the inclination angle of the conical surface of the tensioning sleeve (2) close to the end supporting platform (102) is beta, the inclination angle of the conical surface of the other end is alpha, the alpha =30 degrees, and the beta =30 degrees.
3. The double-cone split expanding sleeve clamp of claim 1, wherein: the inclination angle of the conical surface of the tensioning sleeve (2) close to the end supporting platform (102) is beta, the inclination angle of the conical surface of the other end is alpha, and the inclination angle of the conical surface is alpha =30 degrees, and the inclination angle of the conical surface of the other end is beta =60 degrees.
4. A double-cone split expanding sleeve clamp according to any one of claims 1-3, wherein: an annular groove is formed in the contact position of the end supporting platform (102) and the mandrel (101), and a floating support (103) is installed in the annular groove in a matched mode.
5. The double-cone split expanding sleeve clamp of claim 4, wherein: the contact surface of the floating support (103) and the annular groove is a spherical surface, the floating support is of an annular structure, and the diameter of the inner ring of the floating support is larger than the diameter of the mandrel (101) at the corresponding position.
CN202121133672.1U 2021-05-25 2021-05-25 Bipyramid opening cover anchor clamps that rise Active CN214867347U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121133672.1U CN214867347U (en) 2021-05-25 2021-05-25 Bipyramid opening cover anchor clamps that rise

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121133672.1U CN214867347U (en) 2021-05-25 2021-05-25 Bipyramid opening cover anchor clamps that rise

Publications (1)

Publication Number Publication Date
CN214867347U true CN214867347U (en) 2021-11-26

Family

ID=78900853

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121133672.1U Active CN214867347U (en) 2021-05-25 2021-05-25 Bipyramid opening cover anchor clamps that rise

Country Status (1)

Country Link
CN (1) CN214867347U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A double cone opening expansion sleeve fixture

Granted publication date: 20211126

Pledgee: Bank of China Limited Anyang Branch

Pledgor: Anyang Huawei Gear Co.,Ltd.

Registration number: Y2024980021387