CN206578309U - A kind of strong stress locating centre - Google Patents

A kind of strong stress locating centre Download PDF

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Publication number
CN206578309U
CN206578309U CN201720125815.1U CN201720125815U CN206578309U CN 206578309 U CN206578309 U CN 206578309U CN 201720125815 U CN201720125815 U CN 201720125815U CN 206578309 U CN206578309 U CN 206578309U
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CN
China
Prior art keywords
main body
top main
sliding sleeve
matrix
cone
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Expired - Fee Related
Application number
CN201720125815.1U
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Chinese (zh)
Inventor
张斌
王海哲
李贵武
王贤哲
刘涛
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Individual
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Individual
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Priority to CN201720125815.1U priority Critical patent/CN206578309U/en
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Publication of CN206578309U publication Critical patent/CN206578309U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model is related to locating centre technical field, especially a kind of strong stress locating centre, including top main body, one end of top main body is provided with cone, also include the sliding sleeve of matrix and circular tube shaped, the top main body is installed in sliding sleeve, the other end of the top main body is circumferentially evenly equipped with no less than three selling sheets, the one end open of the sliding sleeve, described matrix is inserted into opening and is connected by screw thread with sliding sleeve, circumference of the sliding sleeve along opening is evenly equipped with the limited mouth no less than three strips, the selling sheet is stuck in limited mouth, spacing end face of the other end of the sliding sleeve provided with cone, provided with buffer gear, prevent the problem of the next stress of top elongated caused by cutting heat is excessive, lubricant effect is improved provided with tank filler sleeve, increase the ability of structural strength and resistance stress provided with selling sheet.

Description

A kind of strong stress locating centre
Technical field
The utility model is related to locating centre technical field, more particularly to a kind of strong stress locating centre.
Background technology
Top is the instrument that machining center positioning must be used.Up to the present what is used in the world is top, is divided into Stationary center and the class of live centre two.Stationary center has the advantages that positioning precision is high, therefore is widely adopted in requiring more high-precision In the manufacturing procedure of degree.But when radial cutting force is larger or during higher rotating speed, larger axial elongation and frictional heat will be produced, Destroy the oil film set up to kill phenomenon and limit it and use scope, therefore be only used for Smaller load, slow-speed of revolution cutting.Revolution It is top therefore to adapt to higher rotation speed and larger cutting load because itself carries the rolling bearing of good lubrication, it compensate for fixing Top deficiency.But due to rotation structure of core clamper complexity and the clearance problem of rolling bearing itself, structural failure is just generated, And rigidity is also poor.These, cut when the circle bounce precision and the rough cut that have impact on workpiece because the uneven generation of allowance becomes Cut power and cause the copying error of workpiece, increase the circular runout of workpiece.Therefore live centre is only applicable to precision quality and wanted Seek not high rough turn, half finishing processing process.On the other hand, in roughing the accumulation of cutting heat and make workpiece produce axially stretch It is long, it can produce great axial load and easily damaged time for the tailstock tool of uncompensated live centre or of no help compensation structure Turn top.Therefore need a kind of to can adapt to strong stress, the strong stress locating centre of high lubricating effect.
Utility model content
The purpose of this utility model is and one proposed in order to solve to have the shortcomings that in the prior art to be not suitable with strong stress Plant strong stress locating centre.
To achieve these goals, the utility model employs following technical scheme:
A kind of strong stress locating centre, including top main body are designed, one end of top main body is provided with cone, in addition to matrix With the sliding sleeve of circular tube shaped, the top main body is installed in sliding sleeve, and the other end of the top main body, which is circumferentially evenly equipped with, to be no less than Three selling sheets, the one end open of the sliding sleeve, described matrix is inserted into opening and is connected by screw thread with sliding sleeve, the sliding sleeve Be evenly equipped with the limited mouth no less than three strips along the circumference of opening, the selling sheet is stuck in limited mouth, the sliding sleeve it is another Spacing end face of the one end provided with cone, the center of the spacing end face is provided with circular hole, and the cone extends to cunning through circular hole Set is outer, and the circumferential row centered on axis is connected with buffer gear, the top main body between described matrix and top main body Show and oilhole is sent no less than three, the inlet and outlet for sending oilhole is respectively provided at cone surface and top main body away from cone End face on, described matrix is provided with the tank filler sleeve of L-type, the inlet and outlet of the tank filler sleeve be respectively provided at matrix side and Matrix is on the end face of top main body.
It is preferred that, the buffer gear includes two necks for being respectively provided at top main body and base end, described in two Buffering disc spring is installed between neck.
It is preferred that, the buffer gear includes being located at the boss of top body end and is located at the neck of base end, institute State boss to be stuck in neck, and buffering disc spring is installed between boss and neck.
It is preferred that, the edge of the top main body is circumferentially evenly equipped with no less than three semicircular radiating grooves, the radiating Groove and the axis parallel of top main body.
It is preferred that, the one end of described matrix away from top main body is provided with pin shaft hole, the axle center phase of the pin shaft hole and matrix It is mutually vertical.
The utility model proposes a kind of strong stress locating centre, beneficial effect is:Provided with buffer gear, Yin Qie is prevented Cut heat and cause the problem of next stress of top elongated is excessive, improve lubricant effect provided with tank filler sleeve, structure is increased provided with selling sheet The ability of intensity and resistance stress.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of strong stress locating centre structural representation;
Fig. 2 be the utility model proposes a kind of strong stress locating centre sliding sleeve structural representation;
Fig. 3 be the utility model proposes a kind of strong stress locating centre top main body structural representation;
Fig. 4 be the utility model proposes a kind of strong stress locating centre buffer gear the first structural representation;
Fig. 5 be the utility model proposes a kind of strong stress locating centre buffer gear second of structural representation.
In figure:Sliding sleeve 1, buffer gear 2, selling sheet 3, spacing end face 4, send oilhole 5, cone 6, top main body 7, tank filler sleeve 8, Radiating groove 9, circular hole 10, limited mouth 11, matrix 12, buffering disc spring 13, neck 14, boss 15, pin shaft hole 16.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.
Reference picture 1-4, a kind of strong stress locating centre, including top main body 7, the edge of top main body 7 is circumferentially evenly equipped with No less than three semicircular radiating grooves 9, radiating groove 9 and the axis parallel of top main body 7.Radiating groove 9, which can play to dredge, to be added Work heat increases the effect of cooling effect.
One end of top main body 7 is provided with cone 6, includes the sliding sleeve 1 of matrix 12 and circular tube shaped, matrix 12 is away from top master One end of body 7 is provided with pin shaft hole 16, and the axle center of pin shaft hole 16 and matrix 12 is mutually perpendicular to.Pin shaft hole 16 is used for fixing base 12.
Top main body 7 is installed in sliding sleeve 1, and the other end of top main body 7 is circumferentially evenly equipped with no less than three selling sheets 3, sliding The one end open of set 1, matrix 12 is inserted into opening and is connected by screw thread with sliding sleeve 1, and sliding sleeve 1 is evenly equipped with along the circumference of opening No less than the limited mouth 11 of three strips, selling sheet 3 is stuck in limited mouth 11, and the other end of sliding sleeve 1 is provided with the spacing of cone End face 4, the center of spacing end face 4 is provided with circular hole 10, and cone 6 is extended to outside sliding sleeve 1 through circular hole 10, and sliding sleeve 1 plays fixed top The effect of sharp main body 7 and buffer gear 2, selling sheet 3 plays stationary center main body 7 and strengthens integrally-built effect.
Buffer gear 2 is connected between matrix 12 and top main body 7, buffer gear 2 includes being respectively provided at the top He of main body 7 Buffering disc spring 13 is installed between two necks 14 of the end face of matrix 12, two necks 14.Buffer gear 2, which is played, prevents stress mistake The effect for causing top internal damage to crumble greatly.
Circumferential row is shown and send oilhole 5 no less than three centered on axis in top main body 7, send oilhole 5 import and Outlet is respectively provided on the end face of the surface of cone 6 and top main body 7 away from cone 6, and matrix 12 is provided with the tank filler sleeve 8 of L-type, plus The inlet and outlet of oilhole 8 is respectively provided at the side of matrix 12 and matrix 12 on the end face of top main body 7.Send the He of oilhole 5 Tank filler sleeve 8, which coordinates, send oil increase lubricant effect to cone 6.
Reference picture 5, as another preferred embodiment of the present utility model, unique difference with a upper embodiment is to buffer Mechanism 2 includes the boss 15 for being located at the top end of main body 7 and the neck 14 for being located at the end of matrix 12, and boss 15 is stuck in neck 14 It is interior, and buffering disc spring 13 is installed between boss 15 and neck 14.Neck 14 and boss 15, which coordinate, plays tolerance lateral stress Effect.
Operation principle:Sliding sleeve 1 plays a part of stationary center main body 7 and buffer gear 2, and selling sheet 3 plays stationary center master Body 7 and the integrally-built effect of reinforcement, buffer gear 2 play a part of preventing stress is excessive from causing top internal injury to crumble, Send oilhole 5 and tank filler sleeve 8 to coordinate and oil increase lubricant effect is sent to cone 6.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not This is confined to, any one skilled in the art is in the technical scope that the utility model is disclosed, according to this practicality New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model Within enclosing.

Claims (5)

1. a kind of strong stress locating centre, including top main body (7), one end of top main body (7) are provided with cone (6), its feature It is:Also include the sliding sleeve (1) of matrix (12) and circular tube shaped, the top main body (7) is installed in sliding sleeve (1), described top The other end of main body (7) is circumferentially evenly equipped with no less than three selling sheets (3), the one end open of the sliding sleeve (1), described matrix (12) It is inserted into opening and is connected by screw thread with sliding sleeve (1), circumference of the sliding sleeve (1) along opening is evenly equipped with long no less than three The limited mouth (11) of bar shaped, the selling sheet (3) is stuck in limited mouth (11), and the other end of the sliding sleeve (1) is provided with cone Spacing end face (4), the center of the spacing end face (4) is provided with circular hole (10), and the cone (6) extends to cunning through circular hole (10) Cover (1) outside, be connected between described matrix (12) and top main body (7) in buffer gear (2), the top main body (7) in Circumferential row is shown and oilhole (5) is sent no less than three centered on axis, and the inlet and outlet for sending oilhole (5) is respectively provided at cone (6) on the end face of surface and top main body (7) away from cone (6), described matrix (12) is provided with the tank filler sleeve (8) of L-type, described The inlet and outlet of tank filler sleeve (8) is respectively provided at the side of matrix (12) and matrix (12) on the end face of top main body (7).
2. a kind of strong stress locating centre according to claim 1, it is characterised in that:The buffer gear (2) includes dividing It is not located between two necks (14) of top main body (7) and matrix (12) end face, two necks (14) and buffering is installed Disc spring (13).
3. a kind of strong stress locating centre according to claim 1, it is characterised in that:The buffer gear (2) includes setting Top main body (7) end boss (15) and be located at the neck (14) of matrix (12) end, the boss (15) is stuck in neck (14) in, and buffering disc spring (13) is installed between boss (15) and neck (14).
4. a kind of strong stress locating centre according to claim 1, it is characterised in that:The edge of the top main body (7) Circumferentially it is evenly equipped with no less than three semicircular radiating grooves (9), the radiating groove (9) and the axis parallel of top main body (7).
5. a kind of strong stress locating centre according to claim 1, it is characterised in that:Described matrix (12) is away from top master One end of body (7) is provided with pin shaft hole (16), and the pin shaft hole (16) and the axle center of matrix (12) are mutually perpendicular to.
CN201720125815.1U 2017-02-13 2017-02-13 A kind of strong stress locating centre Expired - Fee Related CN206578309U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720125815.1U CN206578309U (en) 2017-02-13 2017-02-13 A kind of strong stress locating centre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720125815.1U CN206578309U (en) 2017-02-13 2017-02-13 A kind of strong stress locating centre

Publications (1)

Publication Number Publication Date
CN206578309U true CN206578309U (en) 2017-10-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720125815.1U Expired - Fee Related CN206578309U (en) 2017-02-13 2017-02-13 A kind of strong stress locating centre

Country Status (1)

Country Link
CN (1) CN206578309U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107052375A (en) * 2017-02-13 2017-08-18 张斌 A kind of strong stress locating centre

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107052375A (en) * 2017-02-13 2017-08-18 张斌 A kind of strong stress locating centre

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

Granted publication date: 20171024

Termination date: 20180213