CN204934661U - The outer expanding fixture of a kind of bearing ring - Google Patents

The outer expanding fixture of a kind of bearing ring Download PDF

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Publication number
CN204934661U
CN204934661U CN201520646993.XU CN201520646993U CN204934661U CN 204934661 U CN204934661 U CN 204934661U CN 201520646993 U CN201520646993 U CN 201520646993U CN 204934661 U CN204934661 U CN 204934661U
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China
Prior art keywords
carrier head
base
claw
forms
transition disc
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CN201520646993.XU
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Chinese (zh)
Inventor
时大方
刘国仓
谢维兵
王辉
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Zhejiang Tianma Bearing Group Co Ltd
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ZHEJIANG TIANMA BEARING CO Ltd
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Priority to CN201520646993.XU priority Critical patent/CN204934661U/en
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Abstract

The utility model discloses the outer expanding fixture of a kind of bearing ring, include the transition disc be connected with machine tool chief axis, the base of the carrier head be connected with transition disc, and the locating ring be arranged on base of the carrier head and claw; Described base of the carrier head in a tubular form, for installing the claw installation portion of claw on front side of base of the carrier head, base of the carrier head is positioned at the fixing shoulder forming on rear side of jaw installation portion and install locating ring; The anterior wall of described base of the carrier head equidistantly offers 6 vertically and cuts open groove; Described base of the carrier head front end inner circumferential is shaped to the conical surface wide outside and narrow inside; Outer expanding fixture also comprise be connected with the piston rod in the middle of machine tool chief axis in pull bar, and the front tension bar be connected with middle pull bar, front tension bar rear portion outer wall forms the taper surface matched with the conical surface of described base of the carrier head.Faster one times than the outer expanding spring perch of tradition in installation after new fixture comes into operation, debug time is faster one times than originally, and claw external diameter can repeatedly the reconditioning life-span improves several times than originally.

Description

The outer expanding fixture of a kind of bearing ring
Technical field
The utility model relates to the outer expanding fixture of a kind of bearing ring.
Background technology
The outer expanding spring perch that tradition uses, the parts required are many, and one newly processes outer expanding collet, generally by 6 lobes or 9 lobes even or 12 lobes form, a process that overall chuck is being slit into a few lobe can fix this few lobe with brazing simultaneously, after cutting open completely, owing to having fixing them or an entirety of brazing, the external diameter of chuck of regrinding is to ensure the concentricity and ovality etc. of he and chuck endoporus.New chuck first knocks out the brazing be used for fixing before use, then fixes with this few lobe chuck of two spring handles.So new outer expanding collet just can come into operation.Because outer expanding collet uses spring to fix, so after the wearing and tearing of chuck external diameter, have no idea to review one's lessons by oneself, only has the discarded chuck renewed.Fixture adjustment get up also more complicated, the time of strain, unclamping is long.
Summary of the invention
Technical problem to be solved in the utility model is: the deficiency existed for prior art, provides the bearing ring that a kind of structure is simple, debugging is convenient, processing is simple, the clamping time is short outer expanding fixture.
For realizing the object of the utility model, be achieved by the following technical solutions: the outer expanding fixture of a kind of bearing ring, includes the transition disc be connected with machine tool chief axis, the base of the carrier head be connected with transition disc, and the locating ring be arranged on base of the carrier head and claw;
Described base of the carrier head in a tubular form, for installing the claw installation portion of claw on front side of base of the carrier head, base of the carrier head is positioned at the fixing shoulder forming on rear side of jaw installation portion and install locating ring;
The anterior wall of described base of the carrier head equidistantly offers 6 vertically and cuts open groove, in the middle part of described base of the carrier head wall, each position cutting open groove corresponding offers oval groove;
Described locating ring is made up of the locating ring lobe of 6 circular arcs, and described claw is made up of the claw lobe of 6 circular arcs
Described base of the carrier head front end inner circumferential is shaped to the conical surface wide outside and narrow inside;
Outer expanding fixture also comprise be connected with the piston rod in the middle of machine tool chief axis in pull bar, and the front tension bar be connected with middle pull bar, front tension bar rear portion outer wall forms the taper surface matched with the conical surface of described base of the carrier head.
Preferably: described base of the carrier head rearward end forms an outer flange collar, outer flange collar offers 3-4 fixing counterbore, on the wall of described transition disc front end, the position of corresponding fixing counterbore forms the first internal thread hole, fixes and is connected by screw between counterbore and the first internal thread hole
Preferably: described base of the carrier head rear end face forms the second cooperation concave station, the front end wall of described transition disc forms the cooperation boss coordinating concave station to coordinate with second to locate.
Preferably: described locating ring lobe rear end forms interior clamping ring, interior clamping ring offers two connecting through holes, on the fixing shoulder rear surface of described base of the carrier head often adjacent two cut open between groove and offer four internal thread hole corresponding with connecting through hole, and have between two described 4th internal thread hole connecting through holes and the 4th internal thread hole and be connected by screw.
Preferably: described claw lobe radially forms two second and connects counterbore, on described claw installation portion often adjacent two cut open to offer between groove and connect the 3rd internal thread hole corresponding to counterbore with second, second connects between counterbore and the 3rd internal thread hole and is connected by screw.
Preferably: described middle pull bar one end is the first external thread rod be threaded connection with piston rod, the middle pull bar other end is the second internal thread hole be threaded connection with front tension bar, and in the middle part of middle pull bar, outer wall forms the locating shoulder offseted with transition disc front end face; Offers the middle tension rod thru-hole passed for the first external thread rod in the middle of described transition disc, and transition disc front end be positioned at coordinate boss inner circumferential to be formed to coordinate with locating shoulder locate first coordinate concave station.
Preferably: the rear end wall of described transition disc forms the concave station coordinating with machine tool chief axis and locate.
Preferably: described middle pull bar forms the spanner auxiliary section with more than a pair parallel wall surface away from one end outer wall of the first external thread rod.
Preferably: one end of described front tension bar is the second external thread rod be threaded connection with middle pull bar, front tension bar other end end forms die nut hole.
Compared with prior art, the beneficial effects of the utility model are: faster one times than the outer expanding spring perch of tradition in installation after new fixture comes into operation, debug time is faster one times than originally, and claw external diameter can repeatedly the reconditioning life-span improves several times than originally.
Accompanying drawing explanation
Fig. 1 is mounting structure schematic diagram of the present utility model.
Fig. 2 is the structural representation of transition disc.
Fig. 3 is the sectional structure schematic diagram of transition disc.
Fig. 4 is the sectional structure schematic diagram of middle pull bar.
Fig. 5 is the structural representation in middle back end of tie rod face.
Fig. 6 is the structural representation of base of the carrier head.
Fig. 7 is the D-D sectional view of Fig. 6.
Fig. 8 is the F-F sectional view of Fig. 6.
Fig. 9 is the C-C sectional view of Fig. 6.
Figure 10 is the structural representation of locating ring.
Figure 11 is the sectional structure schematic diagram of locating ring.
Figure 12 is the structural representation of jaw.
Figure 13 is the sectional structure schematic diagram of jaw.
Figure 14 is the structural representation of front tension bar.
1, transition disc; 11, concave station; 12, the first internal thread hole; 13, boss is coordinated; 14, middle tension rod thru-hole; 15, first coordinates concave station; 16, first connects counterbore; 2, middle pull bar; 21, the first external thread rod; 22, locating shoulder; 23, the first internal thread hole; 24, spanner auxiliary section; 3, base of the carrier head; 31, oval groove; 32, fixing shoulder; 33, the 3rd internal thread hole; 34, fixing counterbore; 35, the 4th internal thread hole; 36, groove is cut open; 37, second coordinate concave station, 38, the conical surface; 4, locating ring; 41, locating ring lobe; 42, connecting through hole; 5, claw; 51, claw lobe; 52, second connects counterbore; 6, front tension bar; 61 second external thread rods; 62, taper surface; 63, die nut hole.
Detailed description of the invention
With reference to the accompanying drawings detailed description of the invention of the present utility model is made a detailed explanation below.
According to shown in Fig. 1 to Figure 14, the present embodiment is the outer expanding fixture of a kind of bearing ring, includes the transition disc 1 be connected with machine tool chief axis 7, the base of the carrier head 3 be connected with transition disc, and the locating ring 4 be arranged on base of the carrier head and claw 5;
Described base of the carrier head in a tubular form, for installing the claw installation portion of claw on front side of base of the carrier head, base of the carrier head is positioned at the fixing shoulder 32 forming on rear side of jaw installation portion and install locating ring;
The anterior wall of described base of the carrier head equidistantly offers 6 vertically and cuts open groove 36, in the middle part of described base of the carrier head wall, each position cutting open groove corresponding offers oval groove 31;
Described locating ring 4 is made up of the locating ring lobe 41 of 6 circular arcs, and described claw 5 is made up of the claw lobe 51 of 6 circular arcs
Described base of the carrier head front end inner circumferential is shaped to the conical surface 38 wide outside and narrow inside;
Outer expanding fixture also comprise be connected with the piston rod in the middle of machine tool chief axis in pull bar 2, and the front tension bar 6 be connected with middle pull bar, front tension bar rear portion outer wall forms the taper surface 62 matched with the conical surface of described base of the carrier head.
Described transition disc offers 6 first connection counterbores 16, first connection counterbores to be connected with machine tool chief axis by screw.
Described base of the carrier head rearward end forms an outer flange collar, outer flange collar offers 3-4 fixing counterbore 34, on the wall of described transition disc front end, the position of corresponding fixing counterbore forms the first internal thread hole 12, fixes and is connected by screw between counterbore and the first internal thread hole.
Described base of the carrier head rear end face forms the second cooperation concave station 37, the front end wall of described transition disc forms the cooperation boss 13 coordinating concave station to coordinate with second to locate.
Described locating ring lobe rear end forms interior clamping ring, interior clamping ring offers two connecting through holes 42, on the fixing shoulder rear surface of described base of the carrier head often adjacent two cut open between groove and offer four internal thread hole 35 corresponding with connecting through hole, and have between two described 4th internal thread hole connecting through holes and the 4th internal thread hole and be connected by screw.
Described claw lobe radially forms two second and connects counterbore 52, on described claw installation portion often adjacent two cut open to offer between groove and to connect the 3rd internal thread hole 33, second corresponding to counterbore with second and connect between counterbore and the 3rd internal thread hole and be connected by screw.
Described middle pull bar one end is the first external thread rod 21 be threaded connection with piston rod, and the middle pull bar other end is the second internal thread hole 23 be threaded connection with front tension bar, and in the middle part of middle pull bar, outer wall forms the locating shoulder 22 offseted with transition disc front end face; Offers the middle tension rod thru-hole 14 passed for the first external thread rod in the middle of described transition disc, and transition disc front end be positioned at coordinate boss inner circumferential to be formed to coordinate with locating shoulder locate first coordinate concave station 15.
The rear end wall of described transition disc forms the concave station 11 coordinating with machine tool chief axis and locate.
Described middle pull bar forms the spanner auxiliary section 24 with more than a pair parallel wall surface away from one end outer wall of the first external thread rod.
One end of described front tension bar is the second external thread rod 62 be threaded connection with middle pull bar, and front tension bar other end end forms die nut hole 63.
First transition disc 1 is matched with machine tool chief axis 7 during assembling, then connecting counterbore by six first is screwed on lathe, then middle pull bar 2 is connected on piston rod, then base of the carrier head 3 is matched with transition disc, and be connected on transition disc by three the first internal thread hole screws, then claw lobe 51 being connected counterbore screw by second is connected on base of the carrier head, then locating ring lobe 41 is connected on base of the carrier head shoulder end face by connecting through hole again, finally front tension bar is connected on middle pull bar, the installation of outer like this expanding fixture, after having debugged concentricity, just lasso can be processed.Add man-hour, first lasso is put on claw, then steps on bucket cylinder pedal, pull bar during piston rod is driven, middle pull bar drives front tension bar, mobile to lathe inside, by the taper surface of front tension bar, claw is swollen clamping collar inner circumferential like this.
Above-described embodiment is only the preferred embodiment of the utility model, does not limit protection domain of the present utility model with this, all equivalence changes done according to the utility model the scope of the claims and description with modify, be all within scope that the utility model patent contains.

Claims (9)

1. the outer expanding fixture of bearing ring, is characterized in that: include the transition disc be connected with machine tool chief axis, the base of the carrier head be connected with transition disc, and the locating ring be arranged on base of the carrier head and claw;
Described base of the carrier head in a tubular form, for installing the claw installation portion of claw on front side of base of the carrier head, base of the carrier head is positioned at the fixing shoulder forming on rear side of jaw installation portion and install locating ring;
The anterior wall of described base of the carrier head equidistantly offers 6 vertically and cuts open groove, in the middle part of described base of the carrier head wall, each position cutting open groove corresponding offers oval groove;
Described locating ring is made up of the locating ring lobe of 6 circular arcs, and described claw is made up of the claw lobe of 6 circular arcs
Described base of the carrier head front end inner circumferential is shaped to the conical surface wide outside and narrow inside;
Outer expanding fixture also comprise be connected with the piston rod in the middle of machine tool chief axis in pull bar, and the front tension bar be connected with middle pull bar, front tension bar rear portion outer wall forms the taper surface matched with the conical surface of described base of the carrier head.
2. the outer expanding fixture of a kind of bearing ring as claimed in claim 1, it is characterized in that: described base of the carrier head rearward end forms an outer flange collar, outer flange collar offers 3-4 fixing counterbore, on the wall of described transition disc front end, the position of corresponding fixing counterbore forms the first internal thread hole, fixes and is connected by screw between counterbore and the first internal thread hole.
3. the outer expanding fixture of a kind of bearing ring as claimed in claim 1 or 2, is characterized in that: described base of the carrier head rear end face forms the second cooperation concave station, the front end wall of described transition disc forms the cooperation boss coordinating concave station to coordinate with second to locate.
4. the outer expanding fixture of a kind of bearing ring as claimed in claim 1, it is characterized in that: described locating ring lobe rear end forms interior clamping ring, interior clamping ring offers two connecting through holes, on the fixing shoulder rear surface of described base of the carrier head often adjacent two cut open between groove and offer four internal thread hole corresponding with connecting through hole, and have between two described 4th internal thread hole connecting through holes and the 4th internal thread hole and be connected by screw.
5. the outer expanding fixture of a kind of bearing ring as claimed in claim 1, it is characterized in that: described claw lobe radially forms two second and connects counterbore, on described claw installation portion often adjacent two cut open to offer between groove and connect the 3rd internal thread hole corresponding to counterbore with second, second connects between counterbore and the 3rd internal thread hole and is connected by screw.
6. the outer expanding fixture of a kind of bearing ring as claimed in claim 1, it is characterized in that: described middle pull bar one end is the first external thread rod be threaded connection with piston rod, the middle pull bar other end is the second internal thread hole be threaded connection with front tension bar, and in the middle part of middle pull bar, outer wall forms the locating shoulder offseted with transition disc front end face; Offers the middle tension rod thru-hole passed for the first external thread rod in the middle of described transition disc, and transition disc front end be positioned at coordinate boss inner circumferential to be formed to coordinate with locating shoulder locate first coordinate concave station.
7. the outer expanding fixture of a kind of bearing ring as claimed in claim 1, is characterized in that: the rear end wall of described transition disc forms the concave station coordinating with machine tool chief axis and locate.
8. the outer expanding fixture of a kind of bearing ring as claimed in claim 1, is characterized in that: described middle pull bar forms the spanner auxiliary section with more than a pair parallel wall surface away from one end outer wall of the first external thread rod.
9. the outer expanding fixture of a kind of bearing ring as claimed in claim 1, it is characterized in that: one end of described front tension bar is the second external thread rod be threaded connection with middle pull bar, front tension bar other end end forms die nut hole.
CN201520646993.XU 2015-08-25 2015-08-25 The outer expanding fixture of a kind of bearing ring Active CN204934661U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520646993.XU CN204934661U (en) 2015-08-25 2015-08-25 The outer expanding fixture of a kind of bearing ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520646993.XU CN204934661U (en) 2015-08-25 2015-08-25 The outer expanding fixture of a kind of bearing ring

Publications (1)

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CN204934661U true CN204934661U (en) 2016-01-06

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105081386A (en) * 2015-08-25 2015-11-25 浙江天马轴承有限公司 Outward expansion type clamp for bearing ring
CN105773259A (en) * 2016-04-21 2016-07-20 浙江天马轴承有限公司 Cylindrical roller bearing copper holder pocket hole milling fixture
CN108687505A (en) * 2018-06-08 2018-10-23 合肥巨智能装备有限公司 gearbox shafting bearing outer ring transfer device
CN112621127A (en) * 2020-12-14 2021-04-09 哈尔滨轴承集团公司 Method for processing tyre cushion

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105081386A (en) * 2015-08-25 2015-11-25 浙江天马轴承有限公司 Outward expansion type clamp for bearing ring
CN105773259A (en) * 2016-04-21 2016-07-20 浙江天马轴承有限公司 Cylindrical roller bearing copper holder pocket hole milling fixture
CN105773259B (en) * 2016-04-21 2018-01-23 浙江天马轴承有限公司 A kind of cylinder roller bearing copper cage pocket hole milling fixture
CN108687505A (en) * 2018-06-08 2018-10-23 合肥巨智能装备有限公司 gearbox shafting bearing outer ring transfer device
CN112621127A (en) * 2020-12-14 2021-04-09 哈尔滨轴承集团公司 Method for processing tyre cushion
CN112621127B (en) * 2020-12-14 2022-06-21 哈尔滨轴承集团公司 Method for processing tyre cushion

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C14 Grant of patent or utility model
GR01 Patent grant
CP03 Change of name, title or address

Address after: 313200 Zhejiang city of Huzhou province Deqing County leidian town Canal Road No. 8

Patentee after: Zhejiang Tianma Bearing Group Co., Ltd.

Address before: 313200 Zhejiang city of Huzhou province Deqing County leidian town near the canal Hangzhou Industrial Zone, Road No. 8

Patentee before: ZHEJIANG TIANMA BEARING CO., LTD.

CP03 Change of name, title or address