CN111975435B - Double-end milling device with clamping early warning function - Google Patents
Double-end milling device with clamping early warning function Download PDFInfo
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- CN111975435B CN111975435B CN202010701179.9A CN202010701179A CN111975435B CN 111975435 B CN111975435 B CN 111975435B CN 202010701179 A CN202010701179 A CN 202010701179A CN 111975435 B CN111975435 B CN 111975435B
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- 238000003801 milling Methods 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 238000005520 cutting process Methods 0.000 claims description 11
- 230000000903 blocking Effects 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 4
- 230000000875 corresponding Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 20
- 230000001965 increased Effects 0.000 abstract description 12
- 230000001939 inductive effect Effects 0.000 abstract description 11
- 238000003754 machining Methods 0.000 abstract description 6
- 230000001105 regulatory Effects 0.000 description 6
- 230000003068 static Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0078—Safety devices protecting the operator, e.g. against accident or noise
- B23Q11/0089—Safety devices protecting the operator, e.g. against accident or noise actuating operator protecting means, e.g. closing a cover element, producing an alarm signal
Abstract
The invention relates to the technical field of machining correlation, and discloses a double-head milling device with a clamping early warning function. According to the invention, the ejecting block and the detection coil are arranged on the rotating table, so that in the process of clamping the part, the part is placed on the rotating table and ejected up through the ejecting block, then the part is pressed down through the hydraulic mechanism and falls, induction current is generated in the detection coil, the situation that the part is fixed and falls can be intuitively known, when the detection coil is not subjected to the reduction or disappearance of the induction current, the part is clamped in place, different pressures are applied according to the hardness difference of the part, the phenomenon that the surface of the part is deformed due to the fact that the hydraulic pressure is continuously increased because whether the part is clamped in place cannot be accurately known is finally avoided, and the purpose of clamping early warning is finally achieved.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a double-head milling device with a clamping early warning function.
Background
The double-end milling device is one of the most extensive milling machines used in machinery manufacturing and assembly factories, and is different from the traditional milling machine in that the double-end milling machine enables parts to be fixed on a rotating table through a hydraulic rod, and is provided with milling cutters through two sides of the parts simultaneously, so that in the milling process, the two sides can be processed simultaneously, the processing efficiency is greatly improved, and the phenomenon of increasing the form and position tolerance of the surfaces of the parts due to repeated clamping is avoided.
Current double-end milling device is at the in-process of centre gripping, directly suppresses the part on the revolving stage through the hydraulic stem whereabouts to make the hydraulic stem when the unable accurate acquirement kill when the suppression targets in place, when meetting some parts that hardness is lower, whether unable accurate prediction acquireed the part and targets in place, and then can make the hydraulic stem take place the surface of part deformation when continuously increasing pressure, influence the plane degree on part surface.
In addition, in the use process of the conventional double-head milling device, in order to prevent the milling cutters on two sides from cutting the hydraulic mechanism, the part is fixed through the extending hydraulic rod, so that in the cutting process of the milling machine, the machined workpiece can be subjected to the vertical shaking force of the milling cutters during cutting, the part is easy to deviate in the machining process, and the conventional double-head milling machine does not have equipment for detecting the position of the part in real time, so that the surface degree error of the part after machining can be increased, and the use of the part is influenced.
Disclosure of Invention
Aiming at the defects of the conventional double-head milling device in the use process in the background technology, the invention provides the double-head milling device with the clamping early warning function, which has the advantages of clamping early warning and deflection early warning and solves the problems in the background technology.
The invention provides the following technical scheme: a double-end milling device with a clamping early warning function comprises a rack, wherein a cutting mechanism, a positioning mechanism, a feeding mechanism, a hydraulic mechanism, an operation panel and a waste material box are mounted on the rack, a rotating table located below the hydraulic mechanism is movably mounted on the surface of the inner wall of the feeding mechanism, a movable frame is movably mounted on the surface of the inner wall of the rotating table, ejector blocks are respectively movably mounted on two sides of the surface of the movable frame, an adjusting spring is movably mounted on one side of the middle of each ejector block, one end of each adjusting spring is movably mounted with the corresponding movable frame, the ejector blocks are located in inner cavities of the adjusting springs, detection magnets located below the movable frames are fixedly mounted at the bottom ends of the ejector blocks, detection coils are respectively and fixedly mounted on the bottom surfaces of the movable frames, and the detection magnets are coaxial with the detection coils;
the movable frame is provided with a sliding wheel, a fixed magnet and a balance coil, the two ends of the movable frame are respectively and fixedly provided with the fixed magnet, the two sides of the movable frame are respectively and fixedly provided with the sliding wheel for sliding, the two sides of the inner wall of the rack are respectively and fixedly provided with the balance coil coaxial with the fixed magnet, and the fixed magnet is positioned in the inner cavity of the balance coil;
the number of the sliding wheels is eight, the eight sliding wheels are averagely divided into two groups, and the sliding wheels of one group are symmetrically arranged on two sides of the movable frame in pairs;
the quantity of fixed magnet is four, and four fixed magnet average divide into two sets ofly, and a set of fixed magnet symmetry is installed at the both ends of adjustable shelf.
Preferably, the side wall of the ejector block is fixedly connected with a supporting block movably mounted with the adjusting spring, and the side wall of the ejector block is movably mounted with an ash baffle plate located above the supporting block.
Preferably, the number of the movable frames is two, the two movable frames are respectively arranged on the inner wall of the rotating platform, and the two movable frames are vertically arranged.
Preferably, the number of the adjusting springs is four, and the four adjusting springs are equally divided into two groups, and the stiffness coefficient of one group of the adjusting springs is smaller than that of the other group of the adjusting springs.
Preferably, the top end of the top block is fixedly provided with a rubber block for preventing the processed part from being scratched.
Preferably, the surface of the rotating table is respectively provided with a square groove for the movement of the top block, and the length value of the square groove is smaller than that of the ash baffle.
Preferably, a buzzer for alarming is arranged on the operation panel.
The invention has the following beneficial effects:
1. according to the invention, the ejecting block and the detection coil are arranged on the rotating table, so that in the process of clamping the part, the part is placed on the rotating table and ejected up through the ejecting block, then the part is pressed down through the hydraulic mechanism and falls, induction current is generated in the detection coil, the situation that the part is fixed and falls can be intuitively known, when the detection coil is not subjected to the reduction or disappearance of the induction current, the part is clamped in place, different pressures are applied according to the hardness difference of the part, the phenomenon that the surface of the part is deformed due to the fact that the hydraulic pressure is continuously increased because whether the part is clamped in place cannot be accurately known is finally avoided, and the purpose of clamping early warning is finally achieved.
2. The fixed magnets are arranged at the two ends of the movable frame, so that in the process of processing the parts, the movable frame is continuously pressed on the rotating table by the parts, when the parts are deviated due to the cutting force of the double-end milling cutter, the magnetic field directions of the fixed magnets in the magnetic field generated by electrifying the pass band of the balance coil repel each other, so that the parts are about to move, the static friction force of the parts is gradually increased, the force of the movable frame for pushing the fixed magnets is gradually increased, the repulsive force of the fixed magnets for resisting the magnetic field of the balance coil is increased finally, the current of the balance coil is changed, and the alarm can be given out after signal processing, so that the aim of giving an alarm before the parts are deflected is fulfilled.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic structural operation of the present invention;
FIG. 4 is a schematic diagram of the variation of the frictional force of the structure of the present invention.
In the figure: 1. a frame; 2. a cutting mechanism; 3. a positioning mechanism; 4. a feeding mechanism; 5. a hydraulic mechanism; 6. an operation panel; 7. a waste material box; 8. a rotating table; 9. a movable frame; 10. a top block; 11. adjusting the spring; 12. detecting the magnet; 13. a detection coil; 14. a sliding wheel; 15. fixing a magnet; 16. a balance coil; 17. an ash blocking plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a double-head milling device with clamping and early warning functions comprises a frame 1, a cutting mechanism 2, a positioning mechanism 3, a feeding mechanism 4, a hydraulic mechanism 5, an operating panel 6 and a waste box 7 are mounted on the frame 1, a rotating table 8 located below the hydraulic mechanism 5 is movably mounted on the inner wall surface of the feeding mechanism 4, movable frames 9 are respectively movably mounted on the inner wall surface of the rotating table 8, ejector blocks 10 are respectively movably mounted on two sides of the surface of the movable frame 9, an adjusting spring 11 is movably mounted on one side of the middle of the ejector block 10, one end of the adjusting spring 11 is movably mounted with the movable frame 9, the ejector blocks 10 are located in an inner cavity of the adjusting spring 11, a detection magnet 12 located below the movable frame 9 is fixedly mounted at the bottom end of the ejector block 10, detection coils 13 are respectively fixedly mounted on the bottom surface of the movable frame 9, and the detection magnet 12 is coaxial with the detection coils 13, in order to realize early warning in the clamping process of a workpiece, the vertical movable frames 9 are respectively arranged on the rotating tables 8, the ejector blocks 10 are respectively arranged on the movable frames 9, the ejector blocks 10 are ejected by the adjusting springs 11, so that in the process of placing the workpiece, the ejection force caused by the adjusting springs 11 needs to be overcome, then the workpiece is pressed downwards by the hydraulic mechanism 5, the ejector blocks 10 are further promoted to fall, meanwhile, the detection magnets 12 fall by the falling of the ejector blocks 10, induction current is generated by the detection coils 13 in the falling process of the detection magnets 12, further, the ejector blocks 10 can be accurately known in the falling process, when the induction current generated by the detection coils 13 is weakened to disappear, whether the workpiece is fixed in place or not can be known in advance, and finally different hydraulic pressures are applied according to workpieces with different hardness, thereby avoiding the phenomenon that the surface of the workpiece is deformed due to overhigh hydraulic pressure.
Wherein, the movable frame 9 is provided with a sliding wheel 14, a fixed magnet 15 and a balance coil 16, two ends of the movable frame 9 are respectively fixedly provided with the fixed magnet 15, two sides of the movable frame 9 are respectively fixedly provided with the sliding wheel 14 for sliding, two sides of the inner wall of the frame 1 are respectively fixedly provided with the balance coil 16 coaxial with the fixed magnet 15, and the fixed magnet 15 is positioned in the inner cavity of the balance coil 16, in order to realize the early warning of workpiece deflection, the two sides of the movable frame 9 are respectively fixedly provided with the fixed magnets 15, two sides of the fixed magnet 15 are provided with the balance coil 16 repulsive with the magnetic field force of the fixed magnet 15, then the movable frame 9 is in a balanced position through the balance coil 16, if the workpiece deflects, the top block 10 is urged to have a static friction force moving to one side, when the static friction force is gradually increased to a peak value, the fixed magnet 15 resists the repulsive force generated by the balance coil 16 and breaks balance, and then the current value of the balance coil 16 on one side starts to increase gradually, and the operation panel 6 stops processing commands according to the change of the current, so that the situation that workpieces are processed in a deflection state is avoided, not only can parts be scrapped, but also the cost is greatly increased, and the working efficiency is reduced.
Wherein, lateral wall fixedly connected with and adjusting spring 11 movable mounting's supporting shoe of kicking block 10, and the lateral wall movable mounting of kicking block 10 has the ash blocking plate 17 that is located the supporting shoe top, in order to guarantee adjusting spring 11's normal work and provide the support for ash blocking plate 17, thereby lateral wall at kicking block 10 is equipped with the supporting shoe, not only accessible supporting shoe compresses adjusting spring 11, and simultaneously, lift up ash blocking plate 17 through the supporting shoe, and then can avoid outside bits of dust to enter into the inside of revolving stage 8 through ash blocking plate 17, thereby avoid leading to phenomena such as follow-up equipment failure or maloperation because of the bits of dust.
Wherein, the quantity of adjustable shelf 9 is two, and two adjustable shelves 9 are installed respectively at the inner wall that rotates platform 8, two adjustable shelves 9 are installed perpendicularly, it is more accurate in order to prevent to make the deflection detection early warning, thereby be equipped with two vertically adjustable shelves 9 on rotating platform 8, and can carry out the detection of the horizontal and longitudinal motion of work piece through the check out test set on the adjustable shelf 9, and then the accurate nature of great increase detection, simultaneously, avoid one-way detection to lead to the unable normal phenomenon of processing of work piece because of the false detection motion.
Wherein, the quantity of movable pulley 14 has eight, and eight movable pulley 14 divide into two sets ofly on average, the both sides at adjustable shelf 9 are installed to two liang of symmetries of a set of movable pulley 14, rub in rotating platform 8 in order to reduce adjustable shelf 9, thereby there are movable pulley 14 at the both sides of adjustable shelf 9 fixed mounting respectively, therefore make adjustable shelf 9 change rolling friction into by original sliding friction at the in-process of motion, and then great increase adjustable shelf 9's life, simultaneously, can make when the work piece deflection appears through movable pulley 14, move movable shelf 9 to one side through movable pulley 14, thereby reach the protection to the internals.
Wherein, the quantity of fixed magnet 15 is four, and four fixed magnet 15 divide into two sets of equally, the both ends at adjustable shelf 9 are installed to a set of fixed magnet 15 symmetry, in order to realize the work piece early warning that deflects, thereby at adjustable shelf 9 both ends respectively fixed mounting have fixed magnet 15, and produce the repulsion to fixed magnet 15 through balance coil 16, impel adjustable shelf 9 to be in the balance at the middle part, and then make when adjustable shelf 9 receives the change of power, can impel 16's increase and lead to 16's current change of balance coil through the 14 repulsion of movable pulley in the short time, therefore make the more sensitive and accurate of detection.
Wherein, the quantity of regulating spring 11 is four, and four regulating spring 11 divide into two sets of averagely, the coefficient of stiffness of a set of regulating spring 11 is less than the coefficient of stiffness of another set of regulating spring 11, in order to realize the purpose that the kicking block 10 falls in proper order at the clamping process of work piece, thereby make two liang of differences of coefficient of stiffness of regulating spring 11, and then in the in-process that pressurizes through hydraulic pressure mechanism 5, because regulating spring 11 pushes out the elasticity size difference, thereby make kicking block 10 fall in proper order and until all fall down, and then produce the reaction work piece pressing degree that the change trend of each current value can be better through kicking block 10 below detection coil 13, and then avoid leading to the phenomenon that the work piece surface appears deforming because of continuously pressurizing, whether the reaction work piece that the change of the induced current through detection coil 13 still can be accurate is fixed in place simultaneously.
Wherein, the top fixed mounting of kicking block 10 has the block rubber that is used for preventing to process the part fish tail, in order to prevent that the work piece is at fixed in-process fish tail work piece to there is the block rubber at the top fixed mounting of kicking block 10, not only can prevent that kicking block 10 from scraping the surface of colored part, simultaneously can also increase and the part between frictional force.
Wherein, the square groove that is used for kicking block 10 activity is seted up respectively on the surface of revolving stage 8, and the length value of square groove is less than the length value of ash baffle 17, can receive and release on revolving stage 8 in order to guarantee kicking block 10 to offer the square groove that is used for kicking block 10 activity on the surface of revolving stage 8, still can guarantee through the square groove simultaneously that kicking block 10 moves at certain within range, and then make kicking block 10 more convenient at the in-process that receive and releases.
The operating panel 6 is provided with a buzzer for alarming, in order to achieve the purpose that an operator can warn the workpiece to displace, the operating panel 6 is provided with the buzzer, and when the workpiece deflects, the induced current generated by the balance coil 16 causes the operating panel 6 to alarm, so that the operator can be prompted to check.
The using method of the invention is as follows: firstly, fixing the machine frame 1 at a proper position, then positioning and fixing the workpiece by placing the workpiece on the rotating table 8 and by the positioning mechanism 3 and the hydraulic mechanism 5, and secondly:
clamping early warning detection: in the process of pressing a workpiece on the rotating table 8 through the hydraulic mechanism 5, the ejector block 10 jacks up the workpiece through the adjusting spring 11, so that the ejector block 10 moves downwards through the workpiece when the hydraulic mechanism 5 presses, the adjusting spring 11 is compressed at the same time, the detecting magnet 12 is pushed to fall, induction current is generated in the detecting coil 13, the induction current is transmitted to the operation panel 6 for checking, then the ejector block 10 with weak elasticity moves downwards at a higher speed due to different stiffness coefficients of the adjusting springs 11 on the two groups of movable frames 9, so that the intensity of the induction current is gradually enhanced, when the workpiece continuously falls, the ejector block 10 with weak elasticity falls to the surface of the rotating table 8 in advance, and the induction current is reduced or eliminated, and then, when the workpiece continuously falls, the induction current generated by the detecting magnet 12 in the ejector block 10 with strong elasticity is gradually reduced until eliminated, finally, when the current in the detection magnet 12 does not fluctuate any more, clamping and positioning are finished, meanwhile, the current in the detection magnet 12 is continuously weakened, so that the situation that the workpiece approaches the surface of the rotating table 8 can be known, and then different hydraulic pressures are additionally applied to the workpieces with different hardness;
deflection early warning: the balance coils 16 are continuously electrified, and the repulsive magnetic field is generated by the balance coils 16 and the fixed magnets 15, so that the movable frame 9 can tend to be balanced between the two balance coils 16, then when a workpiece is cut by the cutting mechanism 2, and a part begins to deviate due to the cutting force of a milling cutter on the cutting mechanism 2, the relationship between the force and the friction force in the graph of figure 4 can be obtained, when an object is static to moving, the static friction force of the object can reach a certain peak value, so that in the process that the workpiece begins to deflect, the top block 10 can be driven to drive the movable frame 9 to have driving force increased on one side, and the movable frame 9 is balanced between the two balance coils 16, so that when the force changes, the repulsive force in the magnetic field between the fixed magnets 15 on one side and the balance coils 16 can be increased, the current change value of the balance coils 16 can be changed, and when the change value reaches the peak value required by the static friction force, the operation is stopped through the operation panel 6, the alarm is started through the buzzer on the operation panel 6, the machining is carried out after the inspection, and then the machining is carried out again as required, and the operation steps are carried out.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a double-end milling device with centre gripping early warning function, includes frame (1), install cutting mechanism (2), positioning mechanism (3), feed mechanism (4), hydraulic pressure mechanism (5), operating panel (6) and waste material box (7) on frame (1), its characterized in that: the feeding device is characterized in that a rotating table (8) located below a hydraulic mechanism (5) is movably mounted on the surface of the inner wall of the feeding mechanism (4), a movable frame (9) is movably mounted on the surface of the inner wall of the rotating table (8), ejector blocks (10) are movably mounted on two sides of the surface of the movable frame (9) respectively, an adjusting spring (11) is movably mounted on one side of the middle of each ejector block (10), one end of each adjusting spring (11) is movably mounted on the corresponding movable frame (9), each ejector block (10) is located in an inner cavity of each adjusting spring (11), a detection magnet (12) located below the corresponding movable frame (9) is fixedly mounted at the bottom end of each ejector block (10), detection coils (13) are fixedly mounted on the left side and the right side of the bottom surface of each movable frame (9) respectively, and the detection magnets (12) are coaxial with the detection coils (13);
the movable rack (9) is provided with a sliding wheel (14), a fixed magnet (15) and a balance coil (16), the two ends of the movable rack (9) are respectively and fixedly provided with the fixed magnet (15), the two sides of the movable rack (9) are respectively and fixedly provided with the sliding wheel (14) for sliding, the two sides of the inner wall of the rack (1) are respectively and fixedly provided with the balance coil (16) coaxial with the fixed magnet (15), and the fixed magnet (15) is positioned in the inner cavity of the balance coil (16);
the number of the sliding wheels (14) is eight, the eight sliding wheels (14) are divided into two groups on average, and one group of the sliding wheels (14) are symmetrically arranged on two sides of the movable frame (9) in pairs;
the number of the fixed magnets (15) is four, the four fixed magnets (15) are equally divided into two groups, and the fixed magnets (15) are symmetrically arranged at two ends of the movable frame (9).
2. The double-head milling device with the clamping early warning function according to claim 1, characterized in that: the lateral wall fixedly connected with of kicking block (10) and adjusting spring (11) movable mounting's supporting shoe, and the lateral wall movable mounting of kicking block (10) has ash blocking plate (17) that are located the supporting shoe top.
3. The double-head milling device with the clamping early warning function according to claim 1, characterized in that: the number of the movable frames (9) is two, the two movable frames (9) are respectively arranged on the inner wall of the rotating platform (8), and the two movable frames (9) are vertically arranged.
4. The double-head milling device with the clamping early warning function according to claim 1, characterized in that: the number of the adjusting springs (11) is four, the four adjusting springs (11) are divided into two groups on average, and the stiffness coefficient of one group of the adjusting springs (11) is smaller than that of the other group of the adjusting springs (11).
5. The double-head milling device with the clamping early warning function according to claim 1, characterized in that: the top end of the ejector block (10) is fixedly provided with a rubber block used for preventing processed parts from being scratched.
6. The double-head milling device with the clamping early warning function according to claim 1, characterized in that: the surface of the rotating table (8) is respectively provided with a square groove for the movement of the top block (10), and the length value of the square groove is smaller than that of the ash baffle (17).
7. The double-head milling device with the clamping early warning function according to claim 1, characterized in that: and a buzzer for alarming is arranged on the operation panel (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010701179.9A CN111975435B (en) | 2020-07-20 | 2020-07-20 | Double-end milling device with clamping early warning function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010701179.9A CN111975435B (en) | 2020-07-20 | 2020-07-20 | Double-end milling device with clamping early warning function |
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| CN111975435A CN111975435A (en) | 2020-11-24 |
| CN111975435B true CN111975435B (en) | 2021-12-07 |
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|---|---|---|---|---|
| JP2004136411A (en) * | 2002-10-18 | 2004-05-13 | Rix Corp | Rotary joint |
| CN202824780U (en) * | 2012-07-31 | 2013-03-27 | 重庆长青球墨铸铁制造有限责任公司 | Novel double-headed milling machine |
| CN205271519U (en) * | 2015-12-01 | 2016-06-01 | 烟台丰禾工业机械零部件有限公司 | Air jig with alarm device |
| CN106383018A (en) * | 2016-12-01 | 2017-02-08 | 十堰市天策模具股份有限公司 | Hardness detection device for automobile stamping member |
| CN107530848A (en) * | 2015-02-16 | 2018-01-02 | Smc株式会社 | Clamping device |
| CN109848892A (en) * | 2019-01-23 | 2019-06-07 | 南昌航空大学 | A kind of fixture unit and operating method clamping thin-walled parts |
-
2020
- 2020-07-20 CN CN202010701179.9A patent/CN111975435B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004136411A (en) * | 2002-10-18 | 2004-05-13 | Rix Corp | Rotary joint |
| CN202824780U (en) * | 2012-07-31 | 2013-03-27 | 重庆长青球墨铸铁制造有限责任公司 | Novel double-headed milling machine |
| CN107530848A (en) * | 2015-02-16 | 2018-01-02 | Smc株式会社 | Clamping device |
| CN205271519U (en) * | 2015-12-01 | 2016-06-01 | 烟台丰禾工业机械零部件有限公司 | Air jig with alarm device |
| CN106383018A (en) * | 2016-12-01 | 2017-02-08 | 十堰市天策模具股份有限公司 | Hardness detection device for automobile stamping member |
| CN109848892A (en) * | 2019-01-23 | 2019-06-07 | 南昌航空大学 | A kind of fixture unit and operating method clamping thin-walled parts |
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