CN203557258U - Worm gear positioning external-circle grinding mandrel - Google Patents

Worm gear positioning external-circle grinding mandrel Download PDF

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Publication number
CN203557258U
CN203557258U CN201320705670.4U CN201320705670U CN203557258U CN 203557258 U CN203557258 U CN 203557258U CN 201320705670 U CN201320705670 U CN 201320705670U CN 203557258 U CN203557258 U CN 203557258U
Authority
CN
China
Prior art keywords
mandrel
location
tapered sleeve
positioning
barb
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320705670.4U
Other languages
Chinese (zh)
Inventor
鲁成布
吕锦弟
李自军
施正泽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG WUMA REDUCER CO Ltd
Original Assignee
ZHEJIANG WUMA REDUCER CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZHEJIANG WUMA REDUCER CO Ltd filed Critical ZHEJIANG WUMA REDUCER CO Ltd
Priority to CN201320705670.4U priority Critical patent/CN203557258U/en
Application granted granted Critical
Publication of CN203557258U publication Critical patent/CN203557258U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a worm gear positioning external-circle grinding mandrel. The mandrel comprises a mandrel body, positioning taper sleeves, a positioning base and a baffle, wherein the positioning base is fixed on the baffle; one end of the mandrel body extends into the positioning base and is matched with the positioning base in a positioned manner; the positioning taper sleeves are arranged on two sides of the mandrel body respectively; outer side walls of the positioning taper sleeves are conical surfaces; ends, which are smaller in outer diameter, of the positioning taper sleeves are opposite; a taper sleeve ring barb is arranged on the outer side surface of one end, which is far away from the other positioning taper sleeve, of one positioning taper sleeve; barb rings and locking nuts are arranged outside the positioning taper sleeves; ring hooks hooked with the taper sleeve ring barbs are arranged on the barb rings; the locking nuts are fixed with the barb rings through fixing bolts; threaded sections are arranged on two sides of the mandrel body; and the threaded sections of the mandrel body are sleeved with the locking nuts. According to the worm gear positioning external-circle grinding mandrel, radial and axial positions of workpieces can be positioned simultaneously, the precision of grinding of external-circle diameters and end surface spans is higher, the positioning taper sleeves evade requirements for the inner hole precision, the product coaxiality is improved, the locking nuts can rotate in both forward and reverse directions, and the mandrel is convenient to disassemble.

Description

A kind of worm gear location external grinding mandrel
Technical field
The utility model relates to machinery manufacturing technology field, is specifically related to a kind of worm gear location external grinding mandrel.
Background technology
At present, the cylindrical of sleeve workpiece of the prior art grinds the general mode on folder one top that adopts of processing and clamps, sleeve workpiece easily produces distortion, vibrations, the not high bad phenomenon of precision in process, can not guarantee coaxial precision, the workpiece that processing makes does not reach instructions for use, the especially processing of some symmetrical components.In addition, existing cylindrical grinds processing mandrel must rely on the endoporus that precision is very high, also can cause the poor problem of axiality.
Summary of the invention
The purpose of this utility model is: for the deficiencies in the prior art, the utility model provides a kind of and produced that precision is high, the worm gear of convenient disassembly location external grinding mandrel.
To achieve these goals, the utility model has adopted following technical scheme:
A kind of worm gear location external grinding mandrel, comprise mandrel, positioning base and baffle plate, described positioning base is fixed on described baffle plate, one end of described mandrel is stretched in positioning base and with described positioning base formation location and is coordinated, the both sides of described mandrel are respectively equipped with location tapered sleeve, the lateral wall of described location tapered sleeve is taper seat, less one end of external diameter of described location tapered sleeve is oppositely arranged, described location tapered sleeve is provided with tapered sleeve ring barb away from the lateral surface of one end of another location tapered sleeve, described location tapered sleeve peripheral hardware has barb ring, described barb ring is provided with the bail mutually hooking together with tapered sleeve barb, described location tapered sleeve is away from the locking nut that is provided with of another location tapered sleeve, described locking nut is fixed by a set bolt and described barb ring, the both sides of described mandrel are provided with thread segment, described locking nut is set in outside mandrel thread section.
As preferably, described barb ring comprises barb ring body, and described barb ring body is set in outside the tapered sleeve of location, and described barb ring body is provided with bulge loop by madial wall of another location tapered sleeve, and described bulge loop and barb ring body madial wall form bail described above.Adopt after above-mentioned preferred version, the structure of barb ring of the present utility model is compacter, and the intensity of the barb being formed by bulge loop is larger, coordinates firm stable more with the location of location tapered sleeve.
As preferably, described locking nut is by the setting that offsets of a side of location tapered sleeve and location tapered sleeve.Adopt after above-mentioned preferred version, locking nut is compacter with coordinating of location tapered sleeve.
As preferably, the two ends of described mandrel are respectively equipped with a mandrel positive stop lug boss, described mandrel positive stop lug boss and described spacing cooperation of locking nut, and described mandrel positive stop lug boss and thread segment are arranged towards two ends by mandrel center.Adopt after above-mentioned preferred version, can limit the formation of locking nut.
As preferably, described positioning base comprises base body, described base body and described baffle plate are fixed, one side of base body is provided with the positioning base cover with the coaxial setting of mandrel, the side that described base body is provided with positioning base cover is provided with the locating slot inserting for mandrel end, described mandrel end is done base sheath and embeds described locating slot through location, forms above-mentioned mandrel and coordinates with the location of positioning base.Adopt after above-mentioned preferred version,
As preferably, described positioning base puts and locates corresponding position, tapered sleeve position and offer action pane.Adopt after above-mentioned preferred version, can be so that the position of the locking nut of adjusted position in positioning base cover.
Worm gear of the present utility model location external grinding mandrel rotational lock nut can drive the processed workpiece of locating cone cover locking, the radial and axial position of positioning workpieces simultaneously, grinding outside diameter and end face span precision are higher, are particularly suitable for the processing of some symmetrical components; The locating cone cover of worm gear of the present utility model location external grinding mandrel is evaded the requirement of inner hole precision, has improved the axiality of product, and locking nut can forward and counter-rotating, convenient disassembly.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the utility model embodiment;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
The specific embodiment
As Figure 1-Figure 2, embodiment of the present utility model is a kind of worm gear location external grinding mandrel specifically, comprises mandrel 1, positioning base 2 and baffle plate 3.Positioning base 2 utilizes connecting bolt 21 to be fixed on baffle plate 3.One end of mandrel 1 is stretched in positioning base 2 and is formed location with positioning base 2 and coordinates.The both sides of mandrel 1 are respectively equipped with location tapered sleeve 4.The lateral wall of location tapered sleeve 4 is taper seat 41.Less one end of external diameter of location tapered sleeve 4 is oppositely arranged.Location tapered sleeve 4 is provided with tapered sleeve ring barb 42 away from the lateral surface of one end of another location tapered sleeve 4.The outer barb ring 5 that is provided with of location tapered sleeve 4.Barb ring 5 is provided with the bail 51 mutually hooking together with tapered sleeve barb 42.Location tapered sleeve 4 is provided with locking nut 6 away from another location tapered sleeve 4.Locking nut 6 is fixing with barb ring 5 by a set bolt 7, and the both sides of mandrel 1 are provided with thread segment 11, and locking nut 6 is set in outside the thread segment 11 of mandrel 1.
Barb ring 5 comprises barb ring body 52, and barb ring body 52 is set in outside the tapered sleeve 4 of location, and barb ring body 52 is provided with bulge loop 53 by the madial wall of another location tapered sleeve 4, and bulge loop 53 forms above-mentioned bail 51 with barb ring body 52 madial walls.Locking nut 6 is by a side and location tapered sleeve 4 setting that offsets of location tapered sleeve 4.The two ends of mandrel 1 are respectively equipped with a mandrel positive stop lug boss 12, and mandrel positive stop lug boss 12 coordinates with locking nut 6 is spacing, and mandrel positive stop lug boss 12 and thread segment 11 are arranged towards two ends by mandrel 1 center.
Positioning base 2 comprises base body 22, base body 22 is fixing with baffle plate 3, one side of base body 22 is provided with the positioning base cover 23 with the coaxial setting of mandrel 1, the side that base body 22 is provided with positioning base cover 23 is provided with the locating slot 221 inserting for mandrel 1 end, mandrel 1 end is done base sheath 23 and embeds locating slot 221 through location, forms above-mentioned mandrel 1 and coordinates with the location of positioning base 2.On positioning base cover 23, offer action pane 231 with tapered sleeve 1 corresponding position, position, location.
During installation, will locate tapered sleeve 4 respectively with barb ring 5 left-hand threads, barb ring 5 and locking nut 6 use set bolts 7 are locked.Workpiece 8 is inserted in mandrel 1, and two ends utilize locking nut 6 and the screw thread at thread segment 11 places of mandrel 1 that two location tapered sleeves 4 are screwed in to mandrel 1; Positioning base 2 is locked and is fixed on clamp with connecting bolt 21 with baffle plate.Mandrel 1 is placed on positioning base 2, and the end face of positioning base 2 is developed in a side end face of workpiece 8, successively screws locking nut 6, makes to locate tapered sleeve 4 and is inserted into workpiece 8, completes location axially and radially.

Claims (6)

1. a worm gear is located external grinding mandrel, comprise mandrel, positioning base and baffle plate, it is characterized in that: described positioning base is fixed on described baffle plate, one end of described mandrel is stretched in positioning base and with described positioning base formation location and is coordinated, the both sides of described mandrel are respectively equipped with location tapered sleeve, the lateral wall of described location tapered sleeve is taper seat, less one end of external diameter of described location tapered sleeve is oppositely arranged, described location tapered sleeve is provided with tapered sleeve ring barb away from the lateral surface of one end of another location tapered sleeve, described location tapered sleeve peripheral hardware has barb ring, described barb ring is provided with the bail mutually hooking together with tapered sleeve barb, described location tapered sleeve is away from the locking nut that is provided with of another location tapered sleeve, described locking nut is fixed by a set bolt and described barb ring, the both sides of described mandrel are provided with thread segment, described locking nut is set in outside mandrel thread section.
2. worm gear according to claim 1 is located external grinding mandrel, it is characterized in that: described barb ring comprises barb ring body, described barb ring body is set in outside the tapered sleeve of location, described barb ring body is provided with bulge loop by the madial wall of another location tapered sleeve, and described bulge loop and barb ring body madial wall form bail described above.
3. worm gear according to claim 1 location external grinding mandrel, is characterized in that: described locking nut by a side of location tapered sleeve with locate the tapered sleeve setting that offsets.
4. according to the worm gear location external grinding mandrel described in claim 1 or 3, it is characterized in that: the two ends of described mandrel are respectively equipped with a mandrel positive stop lug boss, described mandrel positive stop lug boss and described spacing cooperation of locking nut, described mandrel positive stop lug boss and thread segment are arranged towards two ends by mandrel center.
5. worm gear according to claim 1 is located external grinding mandrel, it is characterized in that: described positioning base comprises base body, described base body and described baffle plate are fixed, one side of base body is provided with the positioning base cover with the coaxial setting of mandrel, the side that described base body is provided with positioning base cover is provided with the locating slot inserting for mandrel end, described mandrel end is done base sheath and embeds described locating slot through location, forms above-mentioned mandrel and coordinates with the location of positioning base.
6. worm gear according to claim 5 location external grinding mandrel, is characterized in that: described positioning base puts and locates corresponding position, tapered sleeve position and offer action pane.
CN201320705670.4U 2013-11-08 2013-11-08 Worm gear positioning external-circle grinding mandrel Expired - Fee Related CN203557258U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320705670.4U CN203557258U (en) 2013-11-08 2013-11-08 Worm gear positioning external-circle grinding mandrel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320705670.4U CN203557258U (en) 2013-11-08 2013-11-08 Worm gear positioning external-circle grinding mandrel

Publications (1)

Publication Number Publication Date
CN203557258U true CN203557258U (en) 2014-04-23

Family

ID=50507005

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320705670.4U Expired - Fee Related CN203557258U (en) 2013-11-08 2013-11-08 Worm gear positioning external-circle grinding mandrel

Country Status (1)

Country Link
CN (1) CN203557258U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140423

Termination date: 20181108

CF01 Termination of patent right due to non-payment of annual fee