CN104191275A - Workpiece clamping device of feeding machine and clamping method - Google Patents
Workpiece clamping device of feeding machine and clamping method Download PDFInfo
- Publication number
- CN104191275A CN104191275A CN201410395535.3A CN201410395535A CN104191275A CN 104191275 A CN104191275 A CN 104191275A CN 201410395535 A CN201410395535 A CN 201410395535A CN 104191275 A CN104191275 A CN 104191275A
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- China
- Prior art keywords
- chuck
- bearing
- elastic mechanism
- workpiece
- interior
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a workpiece clamping device of a feeding machine and a clamping method. The workpiece clamping device of the feeding machine comprises an outer chuck, an inner chuck, an elastic mechanism and a plurality of bearings, the outer chuck is provided with a chuck containing cavity used for containing the inner chuck and the bearings, the diameter of the front end of the outer chuck is larger than that of the rear end of the outer chuck so that the front end of the outer chuck can clamp the inner chuck under squeezing force, the inner chuck is arranged in the chuck containing cavity in a sleeved mode, the front end of the inner chuck is sequentially provided with a workpiece clamping cavity and an elastic mechanism containing cavity from front to back, the workpiece clamping cavity is used for clamping workpieces to be machined, the elastic mechanism containing cavity is used for containing the elastic mechanism, the workpiece clamping cavity is communicated with the elastic mechanism containing cavity, the outer side of the front end of the inner chuck is provided with a protrusion, the bearings are arranged at the rear end of the inner chuck in a sleeved mode and the outer side faces of the bearings are attached to the inner wall face of the outer chuck. Before the workpieces are machined, the workpieces can be accurately positioned and clamped in direction and position and machining precision of the workpieces is high.
Description
Technical field
The present invention relates to a kind of processing equipment of hardware workpiece, particularly a kind of feed machine work holder and clamp method.
Background technology
Feed machine is a kind of machinery that small size workpiece in enormous quantities is processed, and is generally that feeder passes bar to be processed from spindle through-hole, collet Automatic-clamping workpiece, then by various processing unit (plant)s, bar is completed to processing.Yet, in the prior art, because feed machine is when the feeding, workpiece is to pass through from main shaft, and its feeding efficiency is lower, and, because the collet of feed machine was in processing kind, all the time in rotation status, therefore, workpiece is in first being processed, can not in direction He on position, to workpiece, accurately locate, thereby affect the machining accuracy of workpiece, particularly for some special-shaped workpiece, existing feed machine even cannot be processed it.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned deficiency of the prior art, provides a kind of before processing work, can in direction He on position, to workpiece, carry out accurate positioning clamping, the feed machine work holder that Workpiece Machining Accuracy is high.For this reason, the present invention also will provide a kind of clamp method of this feed machine work holder.
For solving above-mentioned first technical problem, technical scheme of the present invention is: a kind of feed machine work holder, comprises an outer chuck, an interior chuck, an elastic mechanism and some bearings; Described outer chuck has a chuck accommodating cavity, for accommodating interior chuck and bearing; The diameter of described outer chuck front end is greater than the diameter of rear end, so that outer chuck front end is squeezed power and clamps interior chuck; Described inner clip headgear is located in described chuck accommodating cavity, interior chuck front end is provided with piece-holder chamber and elastic mechanism accommodating cavity from front to back successively, piece-holder chamber is for clamping workpiece to be processed, elastic mechanism accommodating cavity is for accommodating described elastic mechanism, and this piece-holder chamber is connected with elastic mechanism accommodating cavity; The outside of described interior chuck front end is provided with a projection; Described some bearing holder (housing, cover)s are located at the rear end of interior chuck, and bearing lateral surface and outer chuck internal face fit.
Described elastic mechanism comprises the spring of core bar and connection core bar, and accordingly, the elastic mechanism accommodating cavity of described interior chuck comprises the core bar chamber of accommodating core bar and the spring cavity of putting spring; Described spring can apply an elastic pressure to the workpiece in piece-holder chamber by core bar.
Outside described outer chuck rear end, side is provided with an escape, by escape, can pull outer chuck to retreat.
The quantity of described bearing is three, along the axis direction of interior chuck, is followed successively by from front to back clutch shaft bearing, the second bearing and the 3rd bearing, and wherein, clutch shaft bearing and the second bearing are installed together, and between the second bearing and the 3rd bearing, are also provided with bearing holder (housing, cover).
For solving above-mentioned second technical problem, technical scheme of the present invention is: the clamp method of feed machine work holder, comprises following clamping step:
A. feed machine drives outer chuck rotation, and interior chuck, elastic mechanism and bearing rotate along with the rotation of outer chuck;
B. the brake gear of feed machine withstands the projection in interior chuck front end outside, forces interior chuck and the elastic mechanism that is placed in elastic mechanism accommodating cavity stops the rotation, and now, under the effect of bearing, outer chuck continues rotation;
C. workpiece to be processed is pressed into the piece-holder chamber of interior chuck front end, and forces elastic mechanism to produce elastic deformation, make elastic mechanism form elastic pressure to workpiece;
D. outer chuck is squeezed power and clamps interior chuck, and interior chuck again clamping work pieces clamps the workpiece in chamber, and meanwhile, the brake gear of feed machine is withdrawn;
E. interior chuck is followed first rotation of outer clip, and feed machine is processed the workpiece in piece-holder chamber;
F. unclamp the extruding force that imposes on outer chuck, outer chuck and interior chuck and then unclamp, and workpiece, under the elastic pressure effect of elastic mechanism, ejects piece-holder chamber.
The invention has the beneficial effects as follows: because work holder of the present invention adopts outer clip head-clamp, hold the design of between interior chuck, outer chuck and interior chuck, some bearings being installed, make outer chuck in the process of rotation, interior chuck can stop the rotation, therefore, under the projection of interior chuck and the cooperation of feed machine brake gear, interior chuck can stop the rotation at a predetermined charging position, thereby make workpiece on direction and position, accurately be positioned, in the workpiece accommodating cavity of interior chuck, greatly to have improved the machining accuracy of workpiece.
Accompanying drawing explanation
Fig. 1 is for adopting the feed machine overall structure schematic diagram of clamping device of the present invention.
Fig. 2 is the overall structure schematic diagram of work holder.
Fig. 3 is the dispersed structure schematic diagram of work holder.
Fig. 4 is the package assembly schematic diagram of interior chuck, bearing and bearing holder (housing, cover).
Fig. 5 is the dispersed structure schematic diagram of work holder (another angle).
Fig. 6 is the vertical profile TV structure schematic diagram of work holder.
Fig. 7 is the structure chart of institute's processing work in the embodiment of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, structural principle of the present invention and operation principle are described in further detail.
As shown in Figure 1, for adopting the feed machine overall structure schematic diagram of clamping device 1 of the present invention, this feed machine comprises work holder 1, brake gear 2, workpiece pay-off 3, liftout and pre-perforating device 4, drilling equipment 5, facing attachment 6, tapping device 7.For absolutely proving clamping device 1 structure of the present invention and clamp method, below, the present invention, by take the flat titanium nut 100 shown in Fig. 7 as workpiece is illustrated, certainly, the invention is not restricted to clamp this kind of workpiece.In addition, this feed machine also comprises the parts such as board, driving mechanism, control device, because these structures and parts do not relate to the related content of technical solution of the present invention, therefore these incoherent structures and component no longer is described in detail.
As shown in Figures 1 to 6, work holder 1 of the present invention comprises the interior chuck 12 of an outer chuck 11,, an elastic mechanism 13 and some bearings 14; Described outer chuck 11 has a chuck accommodating cavity 111, for accommodating interior chuck 12 and bearing 14; The diameter of described outer chuck 11 front ends is greater than the diameter of rear end, so that outer chuck 11 front ends are squeezed power and clamp interior chuck 12, this extruding force comes from feed machine board; Described interior chuck 12 is sheathed in described chuck accommodating cavity 111, interior chuck 12 front ends are provided with piece-holder chamber 121 and elastic mechanism accommodating cavity 122 from front to back successively, piece-holder chamber 121 is for clamping workpiece to be processed 100, elastic mechanism accommodating cavity 122 is for accommodating described elastic mechanism 13, and this piece-holder chamber 121 is connected with elastic mechanism accommodating cavity 122; The outside of described interior chuck 12 front ends is provided with a projection 123; Described some bearings 14 are sheathed on the rear end of interior chuck 12, and bearing 14 lateral surfaces and outer chuck 11 internal faces fit.
As shown in Figures 1 to 6, described elastic mechanism 13 comprises the spring 132 of core bar 131 and connection core bar, and accordingly, the elastic mechanism accommodating cavity 122 of described interior chuck comprises the core bar chamber 1221 of accommodating core bar and the spring cavity 1222 of putting spring; Described spring 132 can apply an elastic pressure to the workpiece in piece-holder chamber 121 by core bar 131.
As shown in Figures 1 to 6, outside described outer chuck rear end, side is provided with an escape, by escape, can pull outer chuck to retreat, and like this, the front end of outer chuck 11 will be squeezed power and clamp interior chuck 12.
As shown in Figures 1 to 6, the quantity of described bearing 14 is three, axis direction along interior chuck 12, be followed successively by from front to back clutch shaft bearing 141, the second bearing 142 and the 3rd bearing 143, wherein, clutch shaft bearing 141 and the second bearing 142 are installed together, and between the second bearing 142 and the 3rd bearing 143, are also provided with bearing holder (housing, cover) 144.
The clamp method of above-mentioned feed machine work holder, comprises following clamping step:
A. feed machine drives outer chuck rotation, and interior chuck, elastic mechanism and bearing rotate along with the rotation of outer chuck;
B. the brake gear 2 of feed machine withstands the projection in interior chuck front end outside (brake gear 2 is provided with brake lever 21, when brake, brake lever 21 just can be resisted against a protruding side), the elastic mechanism that forces interior chuck and be placed in elastic mechanism accommodating cavity stops the rotation, now, under the effect of bearing, outer chuck continues rotation;
C. workpiece to be processed is pressed into the piece-holder chamber of interior chuck front end, and forces elastic mechanism to produce elastic deformation, make elastic mechanism form elastic pressure to workpiece;
D. outer chuck is squeezed power and clamps interior chuck, and interior chuck again clamping work pieces clamps the workpiece in chamber, and meanwhile, the brake gear 2 of feed machine is withdrawn;
E. interior chuck is followed first rotation of outer clip, and feed machine is processed the workpiece in piece-holder chamber;
F. unclamp the extruding force that imposes on outer chuck, outer chuck and interior chuck and then unclamp, and workpiece, under the elastic pressure effect of elastic mechanism, ejects piece-holder chamber.
The above, be only better embodiment of the present invention, and any trickle modification, equivalent variations and modification that every foundation technical scheme of the present invention is done above embodiment, all belong in the scope of technical solution of the present invention.
Claims (5)
1. a feed machine work holder, is characterized in that: comprise an outer chuck, an interior chuck, an elastic mechanism and some bearings; Described outer chuck has a chuck accommodating cavity, for accommodating interior chuck and bearing; The diameter of described outer chuck front end is greater than the diameter of rear end, so that outer chuck front end is squeezed power and clamps interior chuck; Described inner clip headgear is located in described chuck accommodating cavity, interior chuck front end is provided with piece-holder chamber and elastic mechanism accommodating cavity from front to back successively, piece-holder chamber is for clamping workpiece to be processed, elastic mechanism accommodating cavity is for accommodating described elastic mechanism, and this piece-holder chamber is connected with elastic mechanism accommodating cavity; The outside of described interior chuck front end is provided with a projection; Described some bearing holder (housing, cover)s are located at the rear end of interior chuck, and bearing lateral surface and outer chuck internal face fit.
2. feed machine work holder according to claim 1, it is characterized in that: described elastic mechanism comprises core bar and connects the spring of core bar, accordingly, the elastic mechanism accommodating cavity of described interior chuck comprises the core bar chamber of accommodating core bar and the spring cavity of putting spring; Described spring can apply an elastic pressure to the workpiece in piece-holder chamber by core bar.
3. feed machine work holder according to claim 1, is characterized in that: outside described outer chuck rear end, side is provided with an escape, by escape, can pull outer chuck to retreat.
4. feed machine work holder according to claim 1, it is characterized in that: the quantity of described bearing is three, axis direction along interior chuck, be followed successively by from front to back clutch shaft bearing, the second bearing and the 3rd bearing, wherein, clutch shaft bearing and the second bearing are installed together, and between the second bearing and the 3rd bearing, are also provided with bearing holder (housing, cover).
5. the piece-holder method of any one feed machine work holder in claim 1 to 4, is characterized in that, comprises following clamping step:
A. feed machine drives outer chuck rotation, and interior chuck, elastic mechanism and bearing rotate along with the rotation of outer chuck;
B. the brake gear of feed machine withstands the projection in interior chuck front end outside, forces interior chuck and the elastic mechanism that is placed in elastic mechanism accommodating cavity stops the rotation, and now, under the effect of bearing, outer chuck continues rotation;
C. workpiece to be processed is pressed into the piece-holder chamber of interior chuck front end, and forces elastic mechanism to produce elastic deformation, make elastic mechanism form elastic pressure to workpiece;
D. outer chuck is squeezed power and clamps interior chuck, and interior chuck again clamping work pieces clamps the workpiece in chamber, and meanwhile, the brake gear of feed machine is withdrawn;
E. interior chuck is followed first rotation of outer clip, and feed machine is processed the workpiece in piece-holder chamber;
F. unclamp the extruding force that imposes on outer chuck, outer chuck and interior chuck and then unclamp, and workpiece, under the elastic pressure effect of elastic mechanism, ejects piece-holder chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410395535.3A CN104191275A (en) | 2014-08-13 | 2014-08-13 | Workpiece clamping device of feeding machine and clamping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410395535.3A CN104191275A (en) | 2014-08-13 | 2014-08-13 | Workpiece clamping device of feeding machine and clamping method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104191275A true CN104191275A (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410395535.3A Pending CN104191275A (en) | 2014-08-13 | 2014-08-13 | Workpiece clamping device of feeding machine and clamping method |
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| Country | Link |
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| CN (1) | CN104191275A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750384A (en) * | 2016-05-16 | 2016-07-13 | 安徽德系重工科技有限公司 | Improved inner-pushing type clamping device for numerical control tube bending machine |
| CN108656065A (en) * | 2018-06-04 | 2018-10-16 | 四川省蓝扬科技有限公司 | A kind of portable secured tool box |
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|---|---|---|---|---|
| CN101954504A (en) * | 2010-08-31 | 2011-01-26 | 溧阳市虹翔机械制造有限公司 | Machining fixture for automobile pressure plate |
| CN202462067U (en) * | 2012-02-29 | 2012-10-03 | 深圳市福麒珠宝首饰有限公司 | Inflatable rotating and positioning mechanism and embroidery clamping device formed thereby |
| DE102011080502A1 (en) * | 2011-08-05 | 2013-02-07 | Schunk Gmbh & Co. Kg Spann- Und Greiftechnik | Clamping device for use in pallet handling system for detachable fixing of workpiece carrier, has cylinder provided with cylinder recesses or cylinder bulges, and piston with piston bulges or piston recesses |
| CN203696493U (en) * | 2014-03-11 | 2014-07-09 | 上海泰锋精密刀具股份有限公司 | Orifice chamfering lathe fixture |
| CN103921142A (en) * | 2014-04-18 | 2014-07-16 | 蒋剑锋 | Fixing clamp for turning special-shaped workpiece |
| CN103962841A (en) * | 2014-04-23 | 2014-08-06 | 东莞市钲锟精密五金有限公司 | Method for tapping of special-shaped nut by means of cam type automatic lathe and device |
| CN204148903U (en) * | 2014-08-13 | 2015-02-11 | 东莞市日进五金科技有限公司 | A kind of feed machine work holder |
-
2014
- 2014-08-13 CN CN201410395535.3A patent/CN104191275A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101954504A (en) * | 2010-08-31 | 2011-01-26 | 溧阳市虹翔机械制造有限公司 | Machining fixture for automobile pressure plate |
| DE102011080502A1 (en) * | 2011-08-05 | 2013-02-07 | Schunk Gmbh & Co. Kg Spann- Und Greiftechnik | Clamping device for use in pallet handling system for detachable fixing of workpiece carrier, has cylinder provided with cylinder recesses or cylinder bulges, and piston with piston bulges or piston recesses |
| CN202462067U (en) * | 2012-02-29 | 2012-10-03 | 深圳市福麒珠宝首饰有限公司 | Inflatable rotating and positioning mechanism and embroidery clamping device formed thereby |
| CN203696493U (en) * | 2014-03-11 | 2014-07-09 | 上海泰锋精密刀具股份有限公司 | Orifice chamfering lathe fixture |
| CN103921142A (en) * | 2014-04-18 | 2014-07-16 | 蒋剑锋 | Fixing clamp for turning special-shaped workpiece |
| CN103962841A (en) * | 2014-04-23 | 2014-08-06 | 东莞市钲锟精密五金有限公司 | Method for tapping of special-shaped nut by means of cam type automatic lathe and device |
| CN204148903U (en) * | 2014-08-13 | 2015-02-11 | 东莞市日进五金科技有限公司 | A kind of feed machine work holder |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750384A (en) * | 2016-05-16 | 2016-07-13 | 安徽德系重工科技有限公司 | Improved inner-pushing type clamping device for numerical control tube bending machine |
| CN108656065A (en) * | 2018-06-04 | 2018-10-16 | 四川省蓝扬科技有限公司 | A kind of portable secured tool box |
| CN108656065B (en) * | 2018-06-04 | 2023-11-10 | 国网四川省电力公司自贡供电公司 | Portable safety tool box |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141210 |