CN205032292U - High -speed fixed structure of turning round of centrifugal separator - Google Patents

High -speed fixed structure of turning round of centrifugal separator Download PDF

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Publication number
CN205032292U
CN205032292U CN201520576646.4U CN201520576646U CN205032292U CN 205032292 U CN205032292 U CN 205032292U CN 201520576646 U CN201520576646 U CN 201520576646U CN 205032292 U CN205032292 U CN 205032292U
Authority
CN
China
Prior art keywords
chamber
collet
conical surface
rotary head
collet chuck
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
CN201520576646.4U
Other languages
Chinese (zh)
Inventor
曾浪生
潘志刚
张必春
王建
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.)
Sichuan Shuke Instrument Co Ltd
Original Assignee
Sichuan Shuke Instrument 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 Sichuan Shuke Instrument Co Ltd filed Critical Sichuan Shuke Instrument Co Ltd
Priority to CN201520576646.4U priority Critical patent/CN205032292U/en
Application granted granted Critical
Publication of CN205032292U publication Critical patent/CN205032292U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Centrifugal Separators (AREA)

Abstract

The utility model relates to a centrifugal separator, high speed on specific centrifugal separator of the saying so fixed structure of turning round. The utility model provides a convenient to use, safe and reliable's high -speed fixed structure of turning round of centrifugal separator, include collet chuck, screw, pivot and turn round, the pivot upper end is equipped with the screw hole and is full tapering form, the collet chuck surface is for straight cartridge type and be equipped with the fluting, the inside upper end of collet chuck is equipped with the embedding chamber, embedding chamber upper end is equipped with the access, conical surface chamber has been seted up to the inside lower extreme of collet chuck, conical surface chamber and embedding chamber communicate with each other, screwed connection is passed through in the pivot upper end in conical surface chamber, the centre bore of turning round is for straightening the cartridge type, collet chuck ann is in the centre bore of turning round. The utility model has the advantages of: the tapering form is helped in pivot design, has avoided the traditional escape condition of disconnected axle easily, the collet chuck who turns round between the pivot designs for change the centrifuge head convenient and fast that becomes.

Description

A kind of centrifuge high speed rotary head fixed structure
Technical field
The utility model relates to a kind of centrifuge, the high speed rotary head fixed structure specifically on a kind of centrifuge.
Background technology
Centrifuge is a kind of equipment that the centrifugal force by producing during rotary head High Rotation Speed reaches to different densities materials stratify in liquid.Traditional centrifuge high speed rotary head adopts the inner conical surface of rotary head centre bore in the close-fitting mode of male cone (strobilus masculinus) of motor shaft mostly, also existing with changing rotary head inconvenience, even having the situation of getting to get off, the time of serious waste user of service.
The installation of secondly traditional centrifuge-head, in order to form the conical surface or external screw thread face on the stress surface of machine shaft, machine shaft is processed with escape, which forms stress to concentrate, easily cause crack defect, reduce the intensity of axle, in existing centrifuge use procedure, often occur that off-axis phenomenon is exactly therefore produce.
Utility model content
The purpose of this utility model is overcome the inconvenient deficiency of existing centrifuge high speed rotary head dismounting and avoid machine shaft to occur off-axis phenomenon, designs a kind of centrifuge high speed rotary head fixed structure esy to use, safe and reliable.
The technical scheme adopted is: a kind of centrifuge high speed rotary head fixed structure, comprise collet, screw, rotating shaft and rotary head, described rotating shaft upper end is provided with screwed hole and is full tapering form, described collet outer surface is straight barrel type and is provided with fluting, described collet inner upper end is provided with and embeds chamber, upper end, described embedding chamber is provided with adjusting hole, and described collet interior lower end offers conical surface chamber, and described conical surface chamber communicates with embedding chamber; Described screw upper end is nut, and lower end is threaded rod, and described nut embeds in chamber, and described threaded rod is positioned at conical surface chamber; Described conical surface chamber is connected to rotating shaft upper end by screw, and the centre bore of described rotary head is straight barrel type, and described collet is positioned in the centre bore of rotary head.
Further, described conical surface chamber is identical with the tapering of rotating shaft upper end.
Further, respectively there are 5 flutings at described collet outer surface two ends, and described fluting is distributed on collet outer surface.
The utility model has the advantage of: pivot design helps tapering form, avoid the situation of the easy off-axis of traditional escape; Collet design between rotary head rotating shaft, make to change centrifuge-head and become convenient and swift, user can mix the rotary head of the different size that can meet different scientific experiment requirement needs on a desk centrifuge, has saved the space of laboratory preciousness and has needed to buy the funds of multiple stage centrifuge.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of collet in the utility model embodiment.
Fig. 2 is the main TV structure schematic diagram of collet in the utility model embodiment.
Fig. 3 is sectional structure schematic diagram of the present utility model.
Fig. 4 is the structural representation of screw in the utility model embodiment.
Fig. 5 is the structural representation of the utility model embodiment shaft.
Shown in figure: 1-collet, 2-screw, 3-rotating shaft, 4-slots, and 5-rotary head, 201-nut, 202-threaded rod, 301-screwed hole, 401-embeds chamber, 402-adjusting hole, 403-conical surface chamber.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further illustrated.
As shown in Fig. 1 ~ 5, the utility model provides a kind of centrifuge high speed rotary head fixed structure, comprise collet 1, screw 2, rotating shaft 3 and rotary head 5, described rotating shaft 3 upper end is provided with screwed hole 301 and is full tapering form, described collet 1 outer surface is straight barrel type and is provided with fluting 4, described collet 1 inner upper end is provided with and embeds chamber 401, upper end, described embedding chamber 401 is provided with adjusting hole 402, described collet 1 interior lower end offers conical surface chamber 403, and described conical surface chamber 403 communicates with embedding chamber 401; Described screw 2 upper end is nut 201, and lower end is threaded rod 202, and described nut 201 to embed in chamber 401, and described threaded rod 202 is positioned at conical surface chamber 403; Described conical surface chamber 403 is connected to rotating shaft 3 upper end by screw 2, and the centre bore of described rotary head 5 is straight barrel type, and described collet 1 is positioned in the centre bore of rotary head 5.
The spatial design of embedding nut becomes to need could load at outside spreading the mode of nut, when rotary head 5 is contained on collet 1 in centrifuge, when inner screw 2 is to backspin, also can haul collet 1 mobile to the lower cone of rotating shaft 3 simultaneously, thus tensioner rotary head 5; And screw 2 from rotating shaft 3 to outward turning time, because collet 1 outside does not have enough spaces that embedded nut 201 can be allowed to deviate from, and collet 1 upwards can only be pulled out, thus makes collet 1 reduce rear rotary head 5 easily to take out.
It is the conical surface that collet 1 is designed to inside, can with the conical surface exact contact of the rotating shaft 3 of motor, outside faces directly, when the centre bore of transfer 5 closely cooperating after tensioner, rotary head 5 can be taken out easily again after unclamping, thus ensure that the contact area of transfer 5 centre bore.
Preferred embodiment, described collet 1 outer surface two ends respectively have 5 to slot 4, and described fluting 4 is distributed on collet 1 outer surface, ensure that the external diameter at screw 2 tensioner rear spring chuck 1 two ends is the same.
Preferably, described conical surface chamber 403 is identical with the tapering of rotating shaft 3 upper end.The male cone (strobilus masculinus) of rotating shaft 3 is processed by high-precision cylindrical grinder, ensure that high precision, the inner conical surface of collet 1 is processed by internal grinder simultaneously, inside and outside cone match, even if there is mismachining tolerance, because collet 1 is elastomer, certain equivalent deformation can be produced, interior male cone (strobilus masculinus) is concentric, and no matter how many times mounting or dismounting can ensure concentric uniformity, and the noise making centrifuge on-stream, vibration reduce greatly.

Claims (3)

1. a centrifuge high speed rotary head fixed structure, is characterized in that: comprise collet (1), screw (2), rotating shaft (3) and rotary head (5), and described rotating shaft (3) upper end is provided with screwed hole (301) and is full tapering shape;
Described collet (1) outer surface is straight barrel type and is provided with fluting (4), described collet (1) inner upper end is provided with and embeds chamber (401), described embedding chamber (401) upper end is provided with adjusting hole (402), described collet (1) interior lower end offers conical surface chamber (403), and described conical surface chamber (403) communicates with embedding chamber (401);
Described screw (2) upper end is nut (201), and lower end is threaded rod (202), and described nut (201) embeds in chamber (401), and described threaded rod (202) is positioned at conical surface chamber (403);
Described conical surface chamber (403) is connected to rotating shaft (3) upper end by screw (2), and the centre bore of described rotary head (5) is straight barrel type, and described collet (1) is positioned in the centre bore of rotary head (5).
2. a kind of centrifuge high speed rotary head fixed structure as claimed in claim 1, is characterized in that: described conical surface chamber (403) is identical with the tapering of rotating shaft (3) upper end.
3. a kind of centrifuge high speed rotary head fixed structure as claimed in claim 1 or 2, is characterized in that: respectively there are 5 flutings (4) at described collet (1) outer surface two ends, and described fluting (4) is distributed on collet (1) outer surface.
CN201520576646.4U 2015-08-03 2015-08-03 High -speed fixed structure of turning round of centrifugal separator Expired - Fee Related CN205032292U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520576646.4U CN205032292U (en) 2015-08-03 2015-08-03 High -speed fixed structure of turning round of centrifugal separator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520576646.4U CN205032292U (en) 2015-08-03 2015-08-03 High -speed fixed structure of turning round of centrifugal separator

Publications (1)

Publication Number Publication Date
CN205032292U true CN205032292U (en) 2016-02-17

Family

ID=55291226

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520576646.4U Expired - Fee Related CN205032292U (en) 2015-08-03 2015-08-03 High -speed fixed structure of turning round of centrifugal separator

Country Status (1)

Country Link
CN (1) CN205032292U (en)

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Legal Events

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

Granted publication date: 20160217

Termination date: 20190803

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