CN202278112U - Main shaft clamping mechanism - Google Patents

Main shaft clamping mechanism Download PDF

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Publication number
CN202278112U
CN202278112U CN2011202985029U CN201120298502U CN202278112U CN 202278112 U CN202278112 U CN 202278112U CN 2011202985029 U CN2011202985029 U CN 2011202985029U CN 201120298502 U CN201120298502 U CN 201120298502U CN 202278112 U CN202278112 U CN 202278112U
Authority
CN
China
Prior art keywords
jaw
clamping jaw
clamping
installation sleeve
main shaft
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
CN2011202985029U
Other languages
Chinese (zh)
Inventor
王立志
殷君
彭洪
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.)
Changzheng Machinery Factory China Aerospace Science and Technology Corp
Original Assignee
Changzheng Machinery Factory China Aerospace Science and Technology Corp
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 Changzheng Machinery Factory China Aerospace Science and Technology Corp filed Critical Changzheng Machinery Factory China Aerospace Science and Technology Corp
Priority to CN2011202985029U priority Critical patent/CN202278112U/en
Application granted granted Critical
Publication of CN202278112U publication Critical patent/CN202278112U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a main shaft clamping mechanism, and relates to a clamping device. The main shaft clamping mechanism comprises a plurality of clamping jaws and a clamping jaw installation sleeve, wherein the clamping jaws are arranged at one of end of the clamping jaw installation sleeve at certain intervals along the peripheral direction of clamping jaw installation sleeve; the surface of each clamping jaw is provided with a clamping jaw pressure sleeve; the clamping jaw pressure sleeve is sleeved on the clamping jaw installation sleeve, and is matched with a clamping jaw inclined surface; one end of the clamping jaw pressure sleeve which is far away from each clamping jaw is provided with a thrust ball bearing; an external ring is arranged outside the thrust ball bearing; a guide post is arranged between each clamping jaw and the clamping jaw installation sleeve; a disc spring is sleeved on the guide post; the end face of the clamping jaw installation sleeve which is close to each clamping jaw is detachably connected with a workpiece support ring; and a gap is formed between the workpiece support ring and the work surface of each clamping jaw. Due to the adoption of the main shaft clamping mechanism, the problem of insufficient rigidity during rotary extrusion of a thin-wall pipe part can be solved efficiently, loading, unloading and maintenance are easy and convenient, and workpieces of various pipe diameters can be processed; and moreover, the clamping force is large, so that the main shaft clamping mechanism is very practical.

Description

The main shaft clamp mechanism
Technical field
The utility model relates to a kind of clamping device, relates in particular to a kind of main shaft clamp mechanism.
Background technology
Rotary pressure technology has obtained application more and more widely now as a kind of low cost, high efficiency part forming technology.When carrying out mould pressing, need the main shaft clamp mechanism to fix processed part, the main shaft clamp mechanism is one of critical component of spinning machine, is directly connected to the processing characteristics of lathe.The thin-walled pipe part is one of main processing object of mould pressing, and when processing thin-walled pipe part, the clamping force of existing main shaft clamp mechanism is little, influences workpiece accuracy.Existing in addition main shaft clamp mechanism only is an end that grasps the thin-walled pipe part, insufficient rigidity when causing thin-walled pipe part spinning.
Summary of the invention
To the problem that above-mentioned prior art exists, the utility model provides a kind of main shaft clamp mechanism, the problem of insufficient rigidity in the time of can effectively solving thin-walled pipe part spinning; And load and unload convenience easy to maintenance; Can process the workpiece of various calibers, its clamping force is big in addition, and is very practical.
The technical scheme of the utility model is: a kind of main shaft clamp mechanism, comprise some jaws and jaw installation sleeve, and jaw circumferentially is arranged at intervals at a wherein end of jaw installation sleeve along the jaw installation sleeve; Jaw surfaces is provided with the jaw gland; The jaw gland is socketed on the jaw installation sleeve and with the jaw inclined-plane and cooperates, and the jaw gland is provided with thrust ball bearing away from an end of jaw, and thrust ball bearing is outside equipped with outer shroud; Be provided with guide pillar between jaw and the jaw installation sleeve, be socketed with disk spring on the guide pillar; The jaw installation sleeve is removably connected with the workpiece support ring near the end face of jaw, leaves the gap between the working face of workpiece support ring and jaw.
As preferably, be removably connected with fixture block on the working face of jaw.
As preferably, thrust ball bearing is outside equipped with the exoskeletal rubber oil sea of J type.
As preferably, said jaw is 8.
As preferably, the inclined-plane of jaw is provided with convexity, has on the inclined-plane of jaw gland and the protruding groove that cooperates.
The beneficial effect of the utility model is: the utility model connects hydraulic cylinder, by the Driven by Hydraulic Cylinder outer shroud, promotes the jaw gland through thrust ball bearing and compresses jaw, thereby make jaw clamping work pieces blank, and clamping force is big.Can pressure sensor on the hydraulic circuit, make fastening safety reliable.During spinning, the workpiece blank slit between fixture block and the workpiece support ring of packing into, with the end face location of jaw installation sleeve, the workpiece support ring is used to support the endoporus of thin-walled pipe part, makes part when spinning, have enough rigidity.Through the physical dimension of adjustment fixture block and workpiece support ring, can process the workpiece of various calibers, very convenient.The loading and unloading of the utility model convenience easy to maintenance is suitable for other lathes and uses in addition, and is very practical.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the internal structure sketch map of the utility model.
The specific embodiment
As a kind of embodiment of the utility model, as depicted in figs. 1 and 2, a kind of main shaft clamp mechanism; Comprise some jaws 6 and jaw installation sleeve 1, jaw 6 circumferentially is arranged at intervals at a wherein end of jaw installation sleeve 1 along jaw installation sleeve 1, in the present embodiment; As preferably, said jaw 6 is 8.Jaw 6 surfaces are provided with jaw gland 5, and jaw gland 5 is socketed on the jaw installation sleeve 1 and with jaw 6 inclined-planes and cooperates, and in the present embodiment, as preferably, the inclined-plane of jaw 6 is provided with convexity, have on the inclined-plane of jaw gland 5 and the protruding groove that cooperates.Jaw 6, jaw gland 5 all adopts 45 steel to process with jaw installation sleeve 1.
Jaw gland 5 is provided with thrust ball bearing 2 away from an end of jaw 6, and thrust ball bearing 2 is outside equipped with outer shroud 3, and in the present embodiment, as preferably, thrust ball bearing 2 is two, is arranged side by side in the end of jaw gland 5 away from jaw 6.Thrust ball bearing 2 is connected on the jaw gland 5 through round nut and interior hexagonal flush end holding screw.Thrust ball bearing 2 is outside equipped with the exoskeletal rubber oil sea 4 of J type.Be provided with guide pillar 7 between jaw 6 and the jaw installation sleeve 1, be socketed with disk spring 8 on the guide pillar 7; In the present embodiment, as preferably, guide pillar 7 adopts 45 steel to process, and each jaw 6 is provided with two guide pillars 7.Jaw 6 resets through the disk spring on the guide pillar 78.
Jaw installation sleeve 1 is removably connected with workpiece support ring 10 near the end face of jaw 6, leaves the gap between the working face of workpiece support ring 10 and jaw 6.In the present embodiment, as preferably, be removably connected with fixture block 9 on the working face of jaw 6.Fixture block 9 is removably connected to the working face of jaw 6 through hexagon socket cap head screw.Through the physical dimension of adjustment fixture block 9 and workpiece support ring 10, can process the workpiece of various calibers, very convenient.
The utility model course of work is following, the utility model is connected with hydraulic cylinder, and with the workpiece blank gap between fixture block 9 and the workpiece support ring 10 of packing into, and the end face location through jaw installation sleeve 1.Driven by Hydraulic Cylinder outer shroud 3, outer shroud 3 promotes jaw gland 5 through thrust ball bearing 2, and jaw gland 5 is converted into radial load through cooperating inclined-plane, convexity and groove with axial force with jaw 6, makes jaw 6 clamping work pieces blanks.After accomplishing spinning, jaw 6 resets through the disk spring on the guide pillar 78.

Claims (5)

1. a main shaft clamp mechanism comprises some jaws and jaw installation sleeve, it is characterized in that: jaw circumferentially is arranged at intervals at a wherein end of jaw installation sleeve along the jaw installation sleeve; Jaw surfaces is provided with the jaw gland; The jaw gland is socketed on the jaw installation sleeve and with the jaw inclined-plane and cooperates, and the jaw gland is provided with thrust ball bearing away from an end of jaw, and thrust ball bearing is outside equipped with outer shroud; Be provided with guide pillar between jaw and the jaw installation sleeve, be socketed with disk spring on the guide pillar; The jaw installation sleeve is removably connected with the workpiece support ring near the end face of jaw, leaves the gap between the working face of workpiece support ring and jaw.
2. main shaft clamp mechanism according to claim 1 is characterized in that: be removably connected with fixture block on the working face of jaw.
3. main shaft clamp mechanism according to claim 1 and 2 is characterized in that: thrust ball bearing is outside equipped with the exoskeletal rubber oil sea of J type.
4. main shaft clamp mechanism according to claim 3 is characterized in that: said jaw is 8.
5. main shaft clamp mechanism according to claim 4 is characterized in that: the inclined-plane of jaw is provided with convexity, has on the inclined-plane of jaw gland and the protruding groove that cooperates.
CN2011202985029U 2011-08-17 2011-08-17 Main shaft clamping mechanism Expired - Fee Related CN202278112U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202985029U CN202278112U (en) 2011-08-17 2011-08-17 Main shaft clamping mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011202985029U CN202278112U (en) 2011-08-17 2011-08-17 Main shaft clamping mechanism

Publications (1)

Publication Number Publication Date
CN202278112U true CN202278112U (en) 2012-06-20

Family

ID=46224298

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011202985029U Expired - Fee Related CN202278112U (en) 2011-08-17 2011-08-17 Main shaft clamping mechanism

Country Status (1)

Country Link
CN (1) CN202278112U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103381449A (en) * 2013-07-05 2013-11-06 江苏久维压力容器制造有限公司 Fixedly rotating clamping jaw component for cylinder body of gas cylinder
CN103406466A (en) * 2013-08-01 2013-11-27 江苏鹏诚钢构有限公司 Pipe bending clamp
CN103624176A (en) * 2012-08-21 2014-03-12 成都掌握移动信息技术有限公司 Main shaft clamping mechanism for spinning
CN104624764A (en) * 2015-02-13 2015-05-20 中信戴卡股份有限公司 Improved spinning roller clamping device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103624176A (en) * 2012-08-21 2014-03-12 成都掌握移动信息技术有限公司 Main shaft clamping mechanism for spinning
CN103381449A (en) * 2013-07-05 2013-11-06 江苏久维压力容器制造有限公司 Fixedly rotating clamping jaw component for cylinder body of gas cylinder
CN103406466A (en) * 2013-08-01 2013-11-27 江苏鹏诚钢构有限公司 Pipe bending clamp
CN104624764A (en) * 2015-02-13 2015-05-20 中信戴卡股份有限公司 Improved spinning roller clamping device

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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: 20120620

Termination date: 20150817

EXPY Termination of patent right or utility model