CN202779505U - Main shaft clamping mechanism for rotary extrusion - Google Patents
Main shaft clamping mechanism for rotary extrusion Download PDFInfo
- Publication number
- CN202779505U CN202779505U CN 201220414932 CN201220414932U CN202779505U CN 202779505 U CN202779505 U CN 202779505U CN 201220414932 CN201220414932 CN 201220414932 CN 201220414932 U CN201220414932 U CN 201220414932U CN 202779505 U CN202779505 U CN 202779505U
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- Prior art keywords
- jaw
- clamping
- main shaft
- installation sleeve
- clamping mechanism
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Abstract
The utility model discloses a main shaft clamping mechanism for rotary extrusion, which 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 made of Q235 steel; the clamping jaws are arranged at one end of the clamping jaw installation sleeve at certain intervals along the circumferential direction of the clamping jaw installation sleeve; a clamping jaw pressing sleeve is sleeved on the surfaces of the clamping jaws, and is matched with the inclined surfaces of the clamping jaws; one end of the clamping jaw pressing sleeve which is far away from the clamping jaws is provided with a thrust ball bearing; an outer ring is arranged outside the thrust ball bearing; the surface of the outer ring is provided with a glass fiber reinforced plastic anticorrosive layer; guide pillars are arranged between the clamping jaws and the clamping jaw installation sleeve; and disc springs are sleeved on the guide pillars. Due to the adoption of the main shaft clamping mechanism, the problem of insufficient rigidity during rotary extrusion of thin-wall pipe parts can be solved effectively, detachment and maintenance are simple and convenient, and workpieces of various pipe diameters can be processed; and moreover, the clamping force is very large, so that the main shaft clamping mechanism is very convenient and practical.
Description
Technical field
The utility model relates to a kind of clamping device, relates in particular to a kind of spinning main shaft clamping mechanism.
Background technology
Rotary pressure technology has obtained using more and more widely as a kind of low cost, high efficiency part forming technique now.When carrying out mould pressing, need spinning to fix processed part with main shaft clamping mechanism, main shaft clamping mechanism is one of critical component of spinning machine, is directly connected to the processing characteristics of lathe.The thin-walled tubes part is one of main processing object of mould pressing, and when processing thin-walled pipe part, existing spinning is little with the clamping force of main shaft clamping mechanism, affects workpiece accuracy.Existing spinning only is an end that clamps the thin-walled tubes part with main shaft clamping mechanism in addition, and insufficient rigidity when causing thin-walled tubes part spinning is easily damaged when spinning, scraps.
Summary of the invention
Problem for above-mentioned prior art existence, the utility model provides a kind of spinning main shaft clamping mechanism, the problem of insufficient rigidity in the time of can effectively solving thin-walled tubes part spinning, and load and unload convenience easy to maintenance, can process the workpiece of various calibers, its clamping force is large in addition, and is very convenient and practical.
The technical solution of the utility model is: a kind of spinning main shaft clamping mechanism, comprise some jaws and jaw installation sleeve, described jaw adopts the Q235 steel to make, jaw circumferentially is arranged at intervals at a wherein end of jaw installation sleeve along the jaw installation sleeve, jaw surfaces is socketed with the jaw gland, and the jaw gland cooperates with the jaw inclined-plane, and the jaw gland is provided with thrust ball bearing away from an end of jaw, thrust ball bearing is outside equipped with outer shroud, and outer ring surface is provided with the Corrosion Protection of Fiber Reinforced Plastics layer; Be provided with guide pillar between jaw and the jaw installation sleeve, be socketed with disk spring on the guide pillar.
As preferably, described jaw is 8, is removably connected with fixture block on the working face of jaw, and thrust ball bearing is outside equipped with the exoskeletal rubber oil sea of J type.
As preferably, be provided with projection on the inclined-plane of jaw, have the groove that cooperates with projection on the inclined-plane of jaw gland; 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.
The beneficial effects of the utility model are: with the utility model connecting fluid cylinder pressure, by the Driven by Hydraulic Cylinder outer shroud, promote the jaw gland by thrust ball bearing and compress jaw, thereby make jaw clamping work pieces blank during use, clamping force is large.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 for supporting the endoporus of thin-walled tubes part, makes part have enough rigidity when spinning.By adjusting fixture block and workpiece support structure of rings size, can process the workpiece of various calibers, very convenient.Loading and unloading of the present utility model convenience easy to maintenance is suitable for other lathes and uses in addition, and is very convenient and practical.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is internal structure schematic diagram of the present utility model.
The specific embodiment
As a kind of embodiment of the present utility model, as depicted in figs. 1 and 2, a kind of spinning main shaft clamping mechanism comprises some jaws 6 and jaw installation sleeve 1, and described jaw 6 adopts the Q235 steel to make good combination property, long service life.Jaw 6 circumferentially is arranged at intervals at a wherein end of jaw installation sleeve 1 along jaw installation sleeve 1, and in the present embodiment, as preferably, described jaw 6 is 8.Jaw 6 surfaces are socketed with jaw gland 5, and jaw gland 5 cooperates with jaw 6 inclined-planes, in the present embodiment, as preferably, are provided with projection on the inclined-plane of jaw 6, have the groove that cooperates with projection on the inclined-plane of jaw gland 5.Jaw gland 5 and jaw installation sleeve 1 all adopt 45 steel to make.
Jaw gland 5 is provided with thrust ball bearing 2 away from an end of jaw 6, thrust ball bearing 2 is outside equipped with outer shroud 3, outer shroud 3 surfaces are provided with the Corrosion Protection of Fiber Reinforced Plastics layer, fiberglass is good anticorrosion-rust prevention material, atmosphere, water and multiple acid, alkali, salt and multiple organic solvent are had good resistivity, prolonged service life of the present utility model, and it only needs at corresponding component external coating fiberglass, manufacture craft is simple, and is very convenient and practical.In the present embodiment, as preferably, thrust ball bearing 2 is two, is arranged at intervals at jaw gland 5 away from an end of jaw 6.Thrust ball bearing 2 is connected on the jaw gland 5 by 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 make, and is provided with two guide pillars 7 on each jaw 6.Jaw 6 resets by the disk spring 8 on the guide pillar 7.
In the present embodiment, as preferably, 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.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 by hexagon socket cap head screw.By adjusting the physical dimension of fixture block 9 and workpiece support ring 10, can process the workpiece of various calibers, very convenient.
The utility model course of work is as follows, the utility model is connected with hydraulic cylinder, and with pack into gap between fixture block 9 and the workpiece support ring 10 of workpiece blank, and the end face location by jaw installation sleeve 1.Driven by Hydraulic Cylinder outer shroud 3, outer shroud 3 promotes jaw gland 5 by thrust ball bearing 2, and jaw gland 5 and jaw 6 make jaw 6 clamping work pieces blanks by cooperating inclined-plane, projection and groove that axial force is converted into radial load.After finishing spinning, jaw 6 resets by the disk spring 8 on the guide pillar 7.
The above only is a kind of embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and obvious mode of texturing etc., all should be included within the protection domain of the present utility model.
Claims (3)
1. spinning main shaft clamping mechanism, comprise some jaws and jaw installation sleeve, it is characterized in that: described jaw adopts the Q235 steel to make, jaw circumferentially is arranged at intervals at a wherein end of jaw installation sleeve along the jaw installation sleeve, jaw surfaces is socketed with the jaw gland, and the jaw gland cooperates with the jaw inclined-plane, and the jaw gland is provided with thrust ball bearing away from an end of jaw, thrust ball bearing is outside equipped with outer shroud, and outer ring surface is provided with the Corrosion Protection of Fiber Reinforced Plastics layer; Be provided with guide pillar between jaw and the jaw installation sleeve, be socketed with disk spring on the guide pillar.
2. spinning main shaft clamping mechanism according to claim 1, it is characterized in that: described jaw is 8, is removably connected with fixture block on the working face of jaw, thrust ball bearing is outside equipped with the exoskeletal rubber oil sea of J type.
3. spinning main shaft clamping mechanism according to claim 1 and 2 is characterized in that: be provided with projection on the inclined-plane of jaw, have the groove that cooperates with projection on the inclined-plane of jaw gland; 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220414932 CN202779505U (en) | 2012-08-21 | 2012-08-21 | Main shaft clamping mechanism for rotary extrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220414932 CN202779505U (en) | 2012-08-21 | 2012-08-21 | Main shaft clamping mechanism for rotary extrusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202779505U true CN202779505U (en) | 2013-03-13 |
Family
ID=47806847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220414932 Expired - Fee Related CN202779505U (en) | 2012-08-21 | 2012-08-21 | Main shaft clamping mechanism for rotary extrusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202779505U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170545A (en) * | 2013-04-10 | 2013-06-26 | 中山市科力高自动化设备有限公司 | Centrifugal clamping mechanism for rotary pressing machine |
| 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 |
| 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 |
-
2012
- 2012-08-21 CN CN 201220414932 patent/CN202779505U/en not_active Expired - Fee Related
Cited By (4)
| 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 |
| CN103170545A (en) * | 2013-04-10 | 2013-06-26 | 中山市科力高自动化设备有限公司 | Centrifugal clamping mechanism for rotary pressing machine |
| CN103170545B (en) * | 2013-04-10 | 2016-01-13 | 中山市科力高自动化设备有限公司 | A kind of centrifugal clamp system for spinning machine |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20130821 |