CN204639178U - Heavy four-jaw chuck - Google Patents

Heavy four-jaw chuck Download PDF

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Publication number
CN204639178U
CN204639178U CN201520332686.4U CN201520332686U CN204639178U CN 204639178 U CN204639178 U CN 204639178U CN 201520332686 U CN201520332686 U CN 201520332686U CN 204639178 U CN204639178 U CN 204639178U
Authority
CN
China
Prior art keywords
chuck
jaw
master jaw
chute
fixed gap
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
CN201520332686.4U
Other languages
Chinese (zh)
Inventor
王雪峰
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.)
Suzhou Envil Machinery Co Ltd
Original Assignee
Suzhou Envil Machinery 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 Suzhou Envil Machinery Co Ltd filed Critical Suzhou Envil Machinery Co Ltd
Priority to CN201520332686.4U priority Critical patent/CN204639178U/en
Application granted granted Critical
Publication of CN204639178U publication Critical patent/CN204639178U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of heavy four-jaw chuck, its drip irrigation device comprises chuck body, master jaw, claw, screw mandrel, described master jaw, claw, screw mandrel are respectively equipped with four and symmetry is installed on chuck body, described chuck body is provided with chute, in described chute, slippage is connected with screw rod, described screw rod is connected with nut after running through master jaw, described master jaw is provided with regulating tank, described claw to be installed in regulating tank and to engage with screw mandrel, described chute is provided with fixed gap, and described master jaw is provided with the gag lever post entering fixed gap for grafting.Master jaw inserts fixed gap by gag lever post, then tie down screw and nut, enhances being fixedly connected with of master jaw and chuck body, effectively prevent master jaw along the slippage of chute direction, improve the clamping effect of chuck.

Description

Heavy four-jaw chuck
Technical field
The utility model relates to machine chuck class frock technical field, and more particularly, it relates to a kind of heavy four-jaw chuck.
Background technology
Four-jaw chuck full name is the manual four-jaw chuck of lathe, is by a disk body, four screw mandrels, one pair of claw composition.Drive four paws respectively with four leading screws during work, therefore common four-jaw chuck does not have self centering effect, but can by adjustment four paws position, the various rectangle of clamping, irregular workpiece, each claw can independently moving, be applicable to clamping eccentric element and irregularly shaped part, be therefore widely used in engine lathe, low-cost type CNC lathe, grinding machine, milling machine, drilling machine and dividing head panoramic table etc.
In prior art, application number is the Chinese patent of 200720035695.2, it discloses a kind of heavy four-jaw chuck of claw A seating of improvement, and application number is the Chinese patent of 200720035697.1, it discloses a kind of heavy four-jaw chuck, this structure disclosed in two China's patent is substantially identical, be all by limiting structure, claw is fixed on master jaw, avoid producing in the course of work of claw after holding workpiece loosening, improve the clamping effect of claw.But the clamping effect of chuck can be affected except the finite-state between claw and master jaw, how finite-state between master jaw and chuck body also can affect the clamping effect of chuck, but typically using bolt and nut cooperation in prior art is fixed on chuck body by master jaw, bolt slippage is in the chute of chuck body, by master jaw being clipped on chuck body with nut screw connection, but this clamp structure is when master jaw bears load forces, or can sliding phenomenon be there is, affect the clamping effect of chuck.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of heavy four-jaw chuck improving chuck clamping effect.
For achieving the above object, the utility model provides following technical scheme: a kind of heavy four-jaw chuck, comprise chuck body, master jaw, claw, screw mandrel, described master jaw, claw, screw mandrel is respectively equipped with four and symmetry is installed on chuck body, described chuck body is provided with chute, in described chute, slippage is connected with screw rod, described screw rod is connected with nut after running through master jaw, described master jaw is provided with regulating tank, described claw to be installed in regulating tank and to engage with screw mandrel, described chute is provided with fixed gap, described master jaw is provided with the gag lever post entering fixed gap for grafting.
By adopting technique scheme, master jaw inserts fixed gap by gag lever post, then tie down screw and nut, enhances being fixedly connected with of master jaw and chuck body, effectively prevent master jaw along the slippage of chute direction, improve the clamping effect of chuck.
The utility model is set to further: described fixed gap is located at upper shed place of chute.
By adopting technique scheme, fixed gap is located at upper shed place of chute, namely fixed gap is arranged on the upper surface of chuck body, is therefore convenient to the production and processing of fixed gap, in addition fixed gap be located at chute upper shed prescription just master jaw when slippage, gag lever post is inserted in fixed gap.
The utility model is set to further: described fixed gap is located at the relative both sides of chute, and two breach that are relatively fixed can be encircled into complete circular cambered surface.
By adopting technique scheme, two breach that are relatively fixed are formed gag lever post to be clasped, add the contact area of gag lever post and chuck body, be conducive to the fixed effect increasing gag lever post, enhance being fixedly connected with of master jaw and chuck body, effectively prevent master jaw along the slippage of chute direction, improve the clamping effect of chuck.
The utility model is set to further: described fixed gap is located at the bottom surface of chute.
By adopting technique scheme, the bottom surface of chute outside upper shed place that fixed gap is located at chute, can also be located at.
The utility model is set to further: described fixed gap is provided with multiple and arranges along track length direction.
By adopting technique scheme, fixed gap is provided with multiple master jaw of being convenient to and carries out suitable adjustment, strengthens the scope of application of chuck.
The utility model is set to further: described gag lever post and master jaw removably connect.
By adopting technique scheme, again gag lever post being fit into master jaw and grafting enters fixed gap after master jaw slippage puts in place, making master jaw can not be influenced because of the projection of gag lever post in slipping, therefore convenient operation work uses.
The utility model is set to further: described gag lever post is threaded with master jaw.
By adopting technique scheme, make claw clamp part to be processed after master jaw is fixing, gag lever post is threaded with master jaw and gag lever post can be avoided to jump out in fixed gap because chuck vibrates in process, is conducive to the stability in use improving gag lever post.
Accompanying drawing explanation
Fig. 1 is the structural representation view of the heavy four-jaw chuck of the utility model;
Fig. 2 is the A portion structure for amplifying schematic views of Fig. 1;
Fig. 3 is the stereochemical structure schematic views of claw.
Reference numeral: 1, chuck body; 11, chute; 111, fixed gap; 2, master jaw; 21, regulating tank; 22, gag lever post; 3, claw; 4, screw mandrel; 5, screw rod; 6, nut.
Detailed description of the invention
Referring to figs. 1 through Fig. 3, the heavy four-jaw chuck embodiment of the utility model is described further.
A kind of heavy four-jaw chuck, comprise chuck body 1, master jaw 2, claw 3, screw mandrel 4, wherein master jaw 2, claw 3, screw mandrel 4 is combined into the clamp assemblies for clamping part to be processed, this clamp assemblies is respectively equipped with four and symmetry is installed on chuck body 1, chuck body 1 is provided with chute 11, the cross section of chute 11 can vibrational power flow in T shape, in chute 11, slippage is connected with screw rod 5, the cross section of screw rod 5 can vibrational power flow in T shape, the nut portion slippage of screw rod 5 is in chute 11, and the threaded rod of screw rod 5 from the upper opening of chute 11 extend out run through master jaw 2 after be connected with nut 6, screw rod 5 and nut 6 are provided with multiple on a master jaw 2, to improve the fixed effect of master jaw 2, in addition master jaw 2 is provided with regulating tank 21, the cross section of regulating tank 21 can vibrational power flow in T shape, claw 3 to be installed in regulating tank 21 and to engage with screw mandrel 4, it should be noted that said structure all belongs to prior art herein, therefore be not described further, and in order to improve the technical problem proposed in background, its primary solutions is: chute 11 is provided with fixed gap 111, master jaw 2 is provided with the gag lever post 22 entering fixed gap 111 for grafting.
Therefore in use, gag lever post 22 is first inserted fixed gap 111 along chute 11 direction slippage to during approximate location by master jaw 2, the approximate location of master jaw 2 is determined, then coordinated with screw rod 5 by nut 6, namely stationary jaw seat 2 is realized by tie down screw 5 and nut 6, this structure inserts by gag lever post 22 the fixing restriction that fixed gap 111 adds master jaw 2, enhance being fixedly connected with of master jaw 2 and chuck body 1, effectively prevent master jaw 2 along chute 11 direction slippage, improve the clamping effect of chuck.
In addition the bottom surface of chute 11 can also be located at outside upper shed place that this fixed gap 111 can be located at chute 11, but the application's preferred version is upper shed place fixed gap 111 being located at chute 11, the upper surface of chuck body 1 is arranged on by fixed gap 111, therefore the production and processing of fixed gap 111 is convenient to, in addition fixed gap 111 is located at upper shed place of chute 11, and handled easily personnel observe when slippage master jaw 2 and aimed in insertion fixed gap 111 by gag lever post 22.Simultaneously in fixed gap 111, be fixedly connected with degree in order to improving gag lever post 22, fixed gap 111 can also be located at the relative both sides of chute 11, and make two breach 111 that are relatively fixed can be encircled into complete circular cambered surface, the breach 111 pairs of gag lever posts 22 that are relatively fixed two are like this formed to be clasped, add the contact area of gag lever post 22 and chuck body 1, be conducive to the fixed effect increasing gag lever post 22, enhance being fixedly connected with of master jaw 2 and chuck body 1, effectively prevent master jaw 2 along chute 11 direction slippage, improve the clamping effect of chuck.
Fixed gap 111 is provided with multiple and arranges along chute 11 length direction, make fixed gap 111 undulate vibrational power flow on chute 11, and fixed gap 111 be provided with multiple after can be convenient to master jaw 2 and carry out suitable adjustment, be conducive to the scope of application strengthening chuck.
Gag lever post 22 and master jaw 2 removably connect, the maintenance being not only convenient to gag lever post 22 is replaced, and after master jaw 2 slippage puts in place, again gag lever post 22 is fit into master jaw 2 grafting enters fixed gap 111, master jaw 2 will be made influenced in slipping because of the projection of gag lever post 22, therefore convenient operation work uses.In addition preferred version is for be threaded gag lever post 22 with master jaw 2, after master jaw 2 is fixing, make claw 3 clamp part to be processed, gag lever post 22 is threaded with master jaw 2 and gag lever post 22 can be avoided to jump out in fixed gap 111 because chuck vibrates in process, is conducive to the stability in use improving gag lever post 22.
Below be only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (7)

1. a heavy four-jaw chuck, comprise chuck body, master jaw, claw, screw mandrel, described master jaw, claw, screw mandrel are respectively equipped with four and symmetry is installed on chuck body, described chuck body is provided with chute, in described chute, slippage is connected with screw rod, described screw rod is connected with nut after running through master jaw, described master jaw is provided with regulating tank, described claw to be installed in regulating tank and to engage with screw mandrel, it is characterized in that: described chute is provided with fixed gap, described master jaw is provided with the gag lever post entering fixed gap for grafting.
2. heavy four-jaw chuck according to claim 1, is characterized in that: described fixed gap is located at upper shed place of chute.
3. heavy four-jaw chuck according to claim 2, is characterized in that: described fixed gap is located at the relative both sides of chute, and two breach that are relatively fixed can be encircled into complete circular cambered surface.
4. heavy four-jaw chuck according to claim 1, is characterized in that: described fixed gap is located at the bottom surface of chute.
5. the heavy four-jaw chuck according to claim 2 or 4, is characterized in that: described fixed gap is provided with multiple and arranges along track length direction.
6. heavy four-jaw chuck according to claim 1, is characterized in that: described gag lever post and master jaw removably connect.
7. heavy four-jaw chuck according to claim 6, is characterized in that: described gag lever post is threaded with master jaw.
CN201520332686.4U 2015-05-21 2015-05-21 Heavy four-jaw chuck Expired - Fee Related CN204639178U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520332686.4U CN204639178U (en) 2015-05-21 2015-05-21 Heavy four-jaw chuck

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520332686.4U CN204639178U (en) 2015-05-21 2015-05-21 Heavy four-jaw chuck

Publications (1)

Publication Number Publication Date
CN204639178U true CN204639178U (en) 2015-09-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520332686.4U Expired - Fee Related CN204639178U (en) 2015-05-21 2015-05-21 Heavy four-jaw chuck

Country Status (1)

Country Link
CN (1) CN204639178U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106424800A (en) * 2016-11-25 2017-02-22 中国科学院上海技术物理研究所 Eight-clamping-claw inner and outer clamping device for machining thin casing-pipe-shaped component
CN110576200A (en) * 2019-09-23 2019-12-17 李彦双 Multifunctional four-jaw chuck for machine tool

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106424800A (en) * 2016-11-25 2017-02-22 中国科学院上海技术物理研究所 Eight-clamping-claw inner and outer clamping device for machining thin casing-pipe-shaped component
CN106424800B (en) * 2016-11-25 2018-06-29 中国科学院上海技术物理研究所 Clamping device inside and outside a kind of eight claws for being used to process slim cannula-like part
CN110576200A (en) * 2019-09-23 2019-12-17 李彦双 Multifunctional four-jaw chuck for machine tool
CN110576200B (en) * 2019-09-23 2020-10-02 盐城青松机械制造有限公司 Multifunctional four-jaw chuck for machine tool

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

Granted publication date: 20150916

Termination date: 20180521