CN112405063B - Working method of stall protection auxiliary device with adjustable rotating speed limit for machining cutting machine tool - Google Patents
Working method of stall protection auxiliary device with adjustable rotating speed limit for machining cutting machine tool Download PDFInfo
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- CN112405063B CN112405063B CN202011304424.9A CN202011304424A CN112405063B CN 112405063 B CN112405063 B CN 112405063B CN 202011304424 A CN202011304424 A CN 202011304424A CN 112405063 B CN112405063 B CN 112405063B
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- 238000005520 cutting process Methods 0.000 title claims abstract description 40
- 238000003754 machining Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims description 16
- 238000003860 storage Methods 0.000 claims abstract description 20
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 230000006698 induction Effects 0.000 claims abstract description 4
- 230000000979 retarding effect Effects 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 21
- 239000003921 oil Substances 0.000 claims description 18
- 235000019198 oils Nutrition 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 4
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 4
- 229910052602 gypsum Inorganic materials 0.000 claims description 4
- 239000010440 gypsum Substances 0.000 claims description 4
- 239000004571 lime Substances 0.000 claims description 4
- 239000004006 olive oil Substances 0.000 claims description 4
- 235000008390 olive oil Nutrition 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 238000011017 operating method Methods 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 7
- 239000007787 solid Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/20—Adjusting or stopping working-spindles in a predetermined position
-
- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/54—Arrangements or details not restricted to group B23Q5/02 or group B23Q5/22 respectively, e.g. control handles
- B23Q5/58—Safety devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lubricants (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention relates to the technical field of mechanical manufacturing, and discloses a stall protection auxiliary device with adjustable rotating speed limit for a machining cutting machine tool, which comprises a driving shaft, wherein the outside of the driving shaft is movably connected with a connecting seat, the outside of the connecting seat is movably connected with an inertia spring, the top of the inertia spring is movably connected with a counterweight ball, the top of the counterweight ball is movably connected with a push rod, the top of the push rod is movably connected with an oil storage bag, the outside of the oil storage bag is movably connected with a cutting coil, the driving shaft is driven to rotate by a driving shaft in the machining process, the driving shaft rotates to drive the cutting coil to cut a magnetic induction line between two magnetic plates, so that induced current is generated, when the rotating speed of the driving shaft is too high, the current generated by the cutting coil is increased, at the moment, the speed-limiting variable fluid is electrified and condensed into a solid, so that the rotating speed of the driving shaft is reduced and the rotating speed of the driving shaft is reduced, therefore, the effect of stall protection of the adjustable machine tool machining rotating speed is achieved.
Description
Technical Field
The invention relates to the technical field of machine manufacturing, in particular to a stall protection auxiliary device with adjustable rotating speed limit for a machining cutting machine tool.
Background
With the development of science and technology, the industrial level of people is continuously improved, the most important item in industrial manufacturing is mechanical processing, the mechanical processing is less and less helpful to various machine tools, and people can cut, polish, drill holes and the like of workpieces by using the machine tools, so that the workpieces with composite use requirements are obtained.
The existing machine tool can not leave the high-speed rotation of a machining tool bit when in use, so that the rotating speed of a transmission shaft of the machine tool needs to be guaranteed when the machine tool is used for machining, if the rotating speed is too slow, a preset machining effect cannot be achieved, but if the rotating speed is too fast, the phenomenon of tool breakage can occur, property loss is caused, the personal safety of an operator is threatened, and meanwhile, the service life of the machine tool can be prolonged by regular maintenance.
In view of the above, the present invention provides a stall protection assisting device with adjustable rotation speed limit for a machining cutting machine tool, which is developed and improved in view of the existing structure and defects, so as to achieve the purpose of higher practical value.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a stall protection auxiliary device with adjustable rotating speed limit for a machining cutting machine tool, which has the advantages of stall protection of the adjustable machine tool machining rotating speed and automatic lubrication and maintenance of machine tools in the machining process, and solves the problems that the rotating speed of the machine tool cannot be ensured in the traditional machine tool machining process and the machine tool cannot be maintained in the machining process.
(II) technical scheme
In order to realize the purposes of stall protection of the adjustable machine tool machining rotating speed and automatic lubrication and maintenance of the machine tool in the machining process, the invention provides the following technical scheme: a stall protection auxiliary device with adjustable rotating speed limit for a machining cutting machine tool comprises a driving shaft, wherein a connecting seat is movably connected to the outer portion of the driving shaft, an inertia spring is movably connected to the outer portion of the connecting seat, a counterweight ball is movably connected to the top of the inertia spring, a push rod is movably connected to the top of the counterweight ball, an oil storage bag is movably connected to the top of the push rod, a cutting coil is movably connected to the outer portion of the oil storage bag, a mounting seat is movably connected to the outer portion of the cutting coil, a retarding block is movably connected to the outer portion of the mounting seat, a speed limiting seat is movably connected to the outer portion of the retarding block, a speed limiting spring is movably connected to the inner portion of the speed limiting seat, speed limiting variable fluid is movably connected to the outer portion of the speed limiting spring, a speed limiting block is movably connected to the bottom of the speed limiting spring, a magnetic plate is movably connected to the outer portion of the speed limiting seat, a rheostat is movably connected to the outer portion of the magnetic plate, the rheostat is characterized in that the left side of the rheostat is movably connected with a power-on circuit, the left side of the power-on circuit is movably connected with a piezoresistor, the top of the rheostat is movably connected with a poking sheet, the top of the poking sheet is movably connected with a toothed plate, and the top of the toothed plate is movably connected with an adjusting handle.
Preferably, the rate-limiting variable fluid is a suspension prepared by adding gypsum, lime and carbon powder into olive oil according to a certain proportion and then adding water and stirring, and is known as an electrorheological fluid.
Preferably, the plectrum forms a closed loop with the cutting coil, the speed-limiting variable liquid, the rheostat and the piezoresistor through a power-on circuit.
Preferably, the number of the magnetic plates is two, and the magnetic plates are symmetrically distributed on the left side and the right side of the speed limiting seat.
Preferably, the oil storage bag is movably connected with a return spring inside, and the liquid stored in the oil storage bag is lubricating liquid.
Preferably, the shape and size of the speed limiting block are consistent with those of the speed retarding block, and the central axis of the speed limiting block and the central axis of the speed limiting spring are in the same straight line.
(III) advantageous effects
Compared with the prior art, the invention provides a stall protection auxiliary device with adjustable rotating speed limit for a machining cutting machine tool, which has the following beneficial effects:
1. the stall protection auxiliary device with adjustable rotation speed limit for the machining cutting machine tool is connected with a transmission shaft of the machine tool through the driving shaft, the driving shaft is driven to rotate by the transmission shaft in the machining process, the driving shaft rotates to drive a cutting coil to rotate, the cutting coil rotates to cut a magnetic induction line between two magnetic plates, so induced current is generated, the current flows into a piezoresistor through a power supply circuit, when the piezoresistor normally rotates, the voltage applied to two ends of the piezoresistor by the current is smaller than the threshold value of the piezoresistor, so the piezoresistor is equivalent to a disconnected switch, the speed limit rheological fluid is not electrified at the moment, the driving shaft rotates to drive an installation seat to rotate, the installation seat rotates to drive a retarding block to rotate, a thrust force is applied to a speed limit block in the rotating process of the retarding block, the thrust force is transmitted to a speed limit spring through the speed limit block, and finally the speed limit spring is compressed to deform to drive the speed limit block to move, therefore, the retarding block can normally rotate, the driving shaft can normally rotate, when the rotating speed of the driving shaft is too high, the current generated by the cutting coil is increased, so that the voltage applied to the two ends of the piezoresistor is greater than the threshold value of the piezoresistor, the piezoresistor is equivalent to a closed switch, the speed-limiting variable fluid is electrified and condensed into a solid, the retarding spring cannot normally rebound when the retarding block is contacted with the speed-limiting block, the retarding spring exerts a blocking force on the retarding block, the blocking force is transmitted into the driving shaft through the retarding block, the rotating speed of the driving shaft is reduced, and the rotating speed stall protection effect of the adjustable machine tool machining rotating speed is achieved.
2. This machine tooling is stall protection auxiliary device of rotational speed restriction adjustable for cutting machine tool, can drive the driving shaft through the transmission shaft when adding man-hour and rotate, the driving shaft rotates and drives the connecting seat and rotate, the connecting seat rotates and can apply centrifugal force for the counter weight ball, the rotational speed along with the driving shaft accelerates, the centrifugal force increase that the counter weight ball received, thereby tensile inertia spring makes it take place to drive push rod extrusion oil storage bag after deformation, receive its inside pressure increase after the extrusion at the oil storage bag, thereby make the lubricated liquid blowout of its inside storage, spun lubricated liquid drops on the transmission shaft surface, thereby the effect of the automatic machine tool mechanical lubrication maintenance of in-process of processing has been reached.
Drawings
FIG. 1 is a schematic view of an adjusting handle according to the present invention;
FIG. 2 is a schematic view of a varistor according to the present invention;
FIG. 3 is a schematic view of the structure of the driving shaft of the present invention;
FIG. 4 is a schematic view of the reservoir of the present invention;
fig. 5 is a schematic diagram of the speed limiting block structure of the present invention.
In the figure: 1. a drive shaft; 2. a connecting seat; 3. an inertia spring; 4. a counterweight ball; 5. a push rod; 6. an oil reservoir bladder; 7. cutting the coil; 8. a mounting seat; 9. a retarding block; 10. a speed limiting seat; 11. a speed limiting spring; 12. speed-limiting variable liquid; 13. a speed limit block; 14. a magnetic plate; 15. a varistor; 16. a power-on circuit; 17. a voltage dependent resistor; 18. a shifting sheet; 19. a toothed plate; 20. and adjusting the handle.
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. 1-5, a stall protection auxiliary device with adjustable rotation speed limit for a machining cutting machine tool comprises a driving shaft 1, a connecting seat 2 is movably connected to the outside of the driving shaft 1, an inertia spring 3 is movably connected to the outside of the connecting seat 2, a counterweight ball 4 is movably connected to the top of the inertia spring 3, a push rod 5 is movably connected to the top of the counterweight ball 4, an oil storage bag 6 is movably connected to the top of the push rod 5, a return spring is movably connected to the inside of the oil storage bag 6, the liquid stored in the oil storage bag 6 is lubricating liquid, a cutting coil 7 is movably connected to the outside of the oil storage bag 6, a mounting seat 8 is movably connected to the outside of the cutting coil 7, a retarding block 9 is movably connected to the outside of the mounting seat 8, a speed limiting seat 10 is movably connected to the outside of the retarding block 9, a speed limiting spring 11 is movably connected to the inside of the speed limiting seat 10, a speed limiting rheological fluid 12 is gypsum, Lime and carbon powder are added into olive oil according to a certain proportion, then water is added for stirring to form a suspension, the school name is an electrorheological fluid, the bottom of a speed-limiting spring 11 is movably connected with speed-limiting blocks 13, the shape and the size of the speed-limiting blocks 13 are consistent with that of a retarding block 9, the central axis of the speed-limiting blocks 13 is in the same straight line with that of the speed-limiting spring 11, the outside of a speed-limiting seat 10 is movably connected with two magnetic plates 14, the two magnetic plates 14 are symmetrically distributed on the left side and the right side of the speed-limiting seat 10, the outside of the magnetic plates 14 is movably connected with a rheostat 15, the left side of the rheostat 15 is movably connected with a power line 16, the left side of the power line 16 is movably connected with a piezoresistor 17, the top of the rheostat 15 is movably connected with a poking piece 18, the poking piece 18 forms a closed loop with a cutting coil 7, the speed-limiting rheostat 12, the rheostat 15 and the piezoresistor 17 through the power line 16, the top of the poking piece 18 is movably connected with a toothed plate 19, the top of the toothed plate 19 is movably connected with an adjusting handle 20.
When the voltage applied to the varistor 17 is lower than its threshold value, the current flowing through it is extremely small, which corresponds to a resistance of infinite magnitude, and when the voltage applied to it is lower than its threshold value, it corresponds to a switch in the open state; when the voltage across the varistor 17 exceeds its threshold value, the current flowing through it increases sharply, which corresponds to a resistance of infinite resistance, i.e. when the voltage across it is above its threshold value, it corresponds to a switch in the closed state.
The electroform is that gypsum, lime and carbon powder are added into olive oil according to a certain proportion, then water is added to stir them to form a suspension liquid, and when the suspension liquid is not applied with electric field, it can freely flow like water or oil, but when the electric field is applied, it can be changed into solid from free flowing liquid, and with the increase of electric field strength, the strength of solid also can be increased, and when the electric field is removed, it can be changed into liquid from solid.
The working principle is as follows: a stall protection auxiliary device with adjustable rotating speed limit for a machining cutting machine tool determines the required rotating speed when in use, an operator manually rotates an adjusting handle 20, the adjusting handle 20 rotates to drive a toothed plate 19 to rotate, the toothed plate 19 rotates to drive a pull sheet 18 to slide on a rheostat 15, so that the resistance value of the rheostat 15 is changed to reach the required resistance value, when machining is carried out, a driving shaft 1 is connected with a driving shaft of the machine tool, the driving shaft drives the driving shaft 1 to rotate in the machining process, the driving shaft 1 rotates to drive a cutting coil 7 to rotate, the cutting coil 7 rotates to cut a magnetic induction line between two magnetic plates 14, so that an induced current is generated, the current flows into a piezoresistor 17 through a current circuit 16, when normal rotation is carried out, the voltage of the current applied to two ends of the piezoresistor 17 is smaller than the threshold value, so that the piezoresistor 17 is equivalent to a disconnected switch, therefore, the speed-limiting variable liquid 12 is not electrified, the driving shaft 1 rotates to drive the mounting seat 8 to rotate, the mounting seat 8 rotates to drive the retarding block 9 to rotate, a thrust force is applied to the speed-limiting block 13 in the rotation process of the retarding block 9, the thrust force is transmitted to the speed-limiting spring 11 through the speed-limiting block 13, and finally the speed-limiting spring 11 is compressed to deform and drive the speed-limiting block 13 to move, so that the retarding block 9 can normally rotate, the driving shaft 1 can normally rotate, when the rotation speed of the driving shaft 1 is too high, the current generated by the cutting coil 7 is increased, the voltage applied to two ends of the piezoresistor 17 is larger than the threshold value of the piezoresistor, the piezoresistor 17 is equivalent to a closed switch, the speed-limiting variable liquid 12 is electrically coagulated into a solid, so that the speed-limiting spring 11 cannot normally rebound when the retarding block 9 is contacted with the speed-limiting block 13, and the retarding block 9 applies a blocking force, the blocking force is transmitted into the driving shaft 1 through the retarding block 9, so that the rotating speed of the driving shaft 1 is reduced, the rotating speed of the transmission shaft is further reduced, and the effect of stall protection of the machining rotating speed of the adjustable machine tool is achieved.
The utility model provides a machine tooling is stall protection auxiliary device of rotational speed restriction adjustable for cutting machine tool, the transmission shaft can drive driving shaft 1 and rotate when adding man-hour, driving shaft 1 rotates and drives connecting seat 2 and rotate, connecting seat 2 rotates and can apply for centrifugal force of counter weight ball 4, along with the rotational speed of driving shaft 1 accelerates, the centrifugal force increase that counter weight ball 4 received, thereby tensile inertia spring 3 makes it take place to drive push rod 5 extrusion oil storage bag 6 after deformation, receive its inside pressure increase after the extrusion at oil storage bag 6, thereby make the lubricated liquid blowout of its inside storage, spun lubricated liquid drops on the transmission shaft surface, thereby the in-process of processing has been reached automatically to the effect of the lubricated maintenance of lathe machinery.
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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (6)
1. The working method of the stall protection auxiliary device with the adjustable rotating speed limit for the machining cutting machine tool comprises a driving shaft (1), wherein the driving shaft (1) is movably connected with a connecting seat (2) in the outer part, the connecting seat (2) is movably connected with an inertia spring (3) in the outer part, the inertia spring (3) is movably connected with a counterweight ball (4) in the top part, the counterweight ball (4) is movably connected with a push rod (5) in the top part, the push rod (5) is movably connected with an oil storage bag (6) in the top part, the oil storage bag (6) is movably connected with a cutting coil (7) in the outer part, the cutting coil (7) is movably connected with a mounting seat (8) in the outer part, the mounting seat (8) is movably connected with a retarding block (9) in the outer part, and the retarding block (9) is movably connected with a speed limiting seat (10) in the outer part, the speed limiting device is characterized in that a speed limiting spring (11) is movably connected inside the speed limiting seat (10), a speed limiting variable liquid (12) is movably connected outside the speed limiting spring (11), a speed limiting block (13) is movably connected at the bottom of the speed limiting spring (11), a magnetic plate (14) is movably connected outside the speed limiting seat (10), a rheostat (15) is movably connected outside the magnetic plate (14), a power-on circuit (16) is movably connected on the left side of the rheostat (15), a piezoresistor (17) is movably connected on the left side of the power-on circuit (16), a shifting piece (18) is movably connected at the top of the rheostat (15), a toothed plate (19) is movably connected at the top of the shifting piece (18), and an adjusting handle (20) is movably connected at the top of the toothed plate (19);
the method is characterized in that: when the speed limiting rheostat is used, the required rotating speed is determined, the adjusting handle is manually rotated by an operator, the adjusting handle rotates to drive the toothed plate to rotate, the toothed plate rotates to drive the poking sheet to slide on the rheostat, so that the resistance value of the rheostat is changed to reach the required resistance value, when the processing is carried out, the driving shaft is connected with a transmission shaft of a machine tool, the transmission shaft drives the driving shaft to rotate in the processing process, the driving shaft rotates to drive the cutting coil to rotate, the cutting coil rotates to cut a magnetic induction line between the two magnetic plates, so that induced current is generated, the current flows into the piezoresistor through a power circuit, when the piezoresistor normally rotates, the voltage applied to two ends of the piezoresistor by the current is smaller than the threshold value, so that the piezoresistor is equivalent to a disconnected switch, the speed limiting rheostat is not electrified, the driving shaft rotates to drive the mounting seat to rotate, the mounting seat rotates to drive the retarding block to rotate, the retarding block can apply a thrust to the speed limiting block in the rotating process, the thrust is transmitted to the speed limiting spring through the speed limiting block, and finally the speed limiting spring is compressed to deform and then drives the speed limiting block to move, so that the retarding block can normally rotate, and further the driving shaft can normally rotate.
2. The operating method of a stall protection aid with adjustable speed limit for a machining cutting machine according to claim 1 wherein: the speed-limiting variable liquid (12) is a suspension prepared by adding gypsum, lime and carbon powder into olive oil according to a certain proportion and then adding water and stirring, and is known as an electrorheological fluid.
3. The operating method of a stall protection aid with adjustable speed limit for a machining cutting machine according to claim 1 wherein: the plectrum (18) forms a closed loop with the cutting coil (7), the speed-limiting variable liquid (12), the rheostat (15) and the piezoresistor (17) through a power-on circuit (16).
4. The operating method of a stall protection aid with adjustable speed limit for a machining cutting machine according to claim 1 wherein: the number of the magnetic plates (14) is two, and the magnetic plates are symmetrically distributed on the left side and the right side of the speed limiting seat (10).
5. The operating method of a stall protection aid with adjustable speed limit for a machining cutting machine according to claim 1 wherein: the oil storage bag (6) is movably connected with a return spring inside, and the liquid stored in the oil storage bag (6) is lubricating liquid.
6. The operating method of a stall protection aid with adjustable speed limit for a machining cutting machine according to claim 1 wherein: the speed limiting block (13) and the retarding block (9) are identical in shape and size, and the central axis of the speed limiting block (13) and the central axis of the speed limiting spring (11) are in the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011304424.9A CN112405063B (en) | 2020-11-19 | 2020-11-19 | Working method of stall protection auxiliary device with adjustable rotating speed limit for machining cutting machine tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011304424.9A CN112405063B (en) | 2020-11-19 | 2020-11-19 | Working method of stall protection auxiliary device with adjustable rotating speed limit for machining cutting machine tool |
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| CN112405063A CN112405063A (en) | 2021-02-26 |
| CN112405063B true CN112405063B (en) | 2021-11-30 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207393904U (en) * | 2017-04-05 | 2018-05-22 | 嵊州市三界机械配件厂 | A kind of sprocket wheel with self-lubricating function |
| CN111807230A (en) * | 2020-07-27 | 2020-10-23 | 杭州新汉杰科技有限公司 | Computer machine case hoist and mount stall self-locking mechanism |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207393904U (en) * | 2017-04-05 | 2018-05-22 | 嵊州市三界机械配件厂 | A kind of sprocket wheel with self-lubricating function |
| CN111807230A (en) * | 2020-07-27 | 2020-10-23 | 杭州新汉杰科技有限公司 | Computer machine case hoist and mount stall self-locking mechanism |
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Effective date of registration: 20211109 Address after: 273500 No. 107, Hongfa Road, Zoucheng Development Zone, Jining City, Shandong Province Applicant after: Zoucheng Juli Machinery Co.,Ltd. Address before: 315000 Xiaoxian Bay, Gaotang Township, Xiangshan County, Ningbo City, Zhejiang Province Applicant before: NINGBO QIHANG SHIPPING CO.,LTD. |
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Denomination of invention: A working method of stall protection auxiliary device with adjustable speed limit for machining and cutting machine tools Effective date of registration: 20220627 Granted publication date: 20211130 Pledgee: China Postal Savings Bank Limited by Share Ltd. Zoucheng branch Pledgor: Zoucheng Juli Machinery Co.,Ltd. Registration number: Y2022980008913 |
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Date of cancellation: 20230621 Granted publication date: 20211130 Pledgee: China Postal Savings Bank Limited by Share Ltd. Zoucheng branch Pledgor: Zoucheng Juli Machinery Co.,Ltd. Registration number: Y2022980008913 |
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Denomination of invention: A working method of a stall protection auxiliary device with adjustable speed limit for machining and cutting machine tools Effective date of registration: 20230809 Granted publication date: 20211130 Pledgee: China Postal Savings Bank Limited by Share Ltd. Zoucheng branch Pledgor: Zoucheng Juli Machinery Co.,Ltd. Registration number: Y2023980051473 |
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