CN114603508B - Tool rest for rapidly adjusting main deflection angle of tool on dynamometer - Google Patents
Tool rest for rapidly adjusting main deflection angle of tool on dynamometer Download PDFInfo
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- CN114603508B CN114603508B CN202210426244.0A CN202210426244A CN114603508B CN 114603508 B CN114603508 B CN 114603508B CN 202210426244 A CN202210426244 A CN 202210426244A CN 114603508 B CN114603508 B CN 114603508B
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- 230000007246 mechanism Effects 0.000 claims abstract description 71
- 238000009434 installation Methods 0.000 claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000003754 machining Methods 0.000 description 9
- 238000007789 sealing Methods 0.000 description 6
- 238000011160 research Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000011949 advanced processing technology Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a tool rest for rapidly adjusting a main deflection angle of a tool, which comprises an upper base and a lower base which are arranged up and down, wherein the lower base is provided with an installation cavity with an open top, the upper base is covered above the installation cavity of the lower base, the upper base is provided with a tool mounting frame, the bottom of the upper base is provided with a support column which vertically extends downwards, the support column is positioned in the installation cavity of the lower base, the installation cavity of the lower base is internally provided with a lifting driving mechanism and a rotation driving mechanism, the lifting driving mechanism drives the support column to vertically lift, the rotation driving mechanism drives the support column to circumferentially rotate, the lower base is also provided with a circumferential locking mechanism and a vertical locking mechanism, the circumferential locking mechanism circumferentially locks the support column, and the vertical locking mechanism vertically locks the support column. Compared with the prior art, the invention has the following advantages: the tool main deflection angle is conveniently and quickly adjusted.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a tool rest for quickly adjusting a tool main deflection angle on a dynamometer.
Background
With the rapid development of the economy in China, the mechanical processing industry gradually reaches the world advanced level, and various advanced processing technologies are continuously emerging due to continuous efforts and exploration of all first-line workers, technicians and scientific researchers, and the processing technology of various materials is also continuously improved and perfected. When a machine tool is used for cutting, the main deflection angle and the auxiliary deflection angle of the tool can influence the height of a residual surface of the cutting, so that the main deflection angle and the auxiliary deflection angle can influence the machining precision of a machined surface; in addition, the size of the main deflection angle also affects the chip form, cutting efficiency, tool life and the like, so that reasonable selection of the main deflection angle plays an important role in machining, and therefore, experiment workers need a great deal of experiments to determine the reasonable main deflection angle required by related machining.
In order to achieve the above results, most workers change the principal deflection angle during cutting by changing the insert and the holder; for machining, the lathe tool and the cutter bar are required to be continuously clamped and replaced by replacing the lathe tool and the cutter bar, so that time and labor are wasted, the production and machining efficiency is reduced, and the production and manufacturing cost is increased; for scientific research experimenters, a sufficient main deflection angle experimental parameter level cannot be obtained by changing the main deflection angle through changing the turning tool and the cutter bar, and the types of alternative main deflection angles are few, so that it is more difficult to find the turning tool capable of realizing various main deflection angle changes. Based on the above problems, it is important to provide a tool holder capable of rapidly changing the principal deflection angle.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a tool rest for quickly adjusting the main deflection angle of a tool on a dynamometer so as to realize convenient and quick adjustment of the main deflection angle of the tool.
The invention is realized by the following technical scheme:
the utility model provides a knife rest for quick adjustment cutter body deflection angle on dynamometer, includes upper base and lower base of arranging from top to bottom, be equipped with the open installation cavity in top on the lower base, upper base lid is established in the installation cavity top of lower base, be provided with the cutter mounting bracket on the upper base, upper base bottom is equipped with vertical downwardly extending's support column, the support column is arranged in the installation cavity of lower base, be equipped with lift actuating mechanism and rotation actuating mechanism in the installation cavity of lower base, drive the support column through lift actuating mechanism and vertically lift, drive support column circumference rotation through rotation actuating mechanism, still be equipped with circumference locking mechanism and vertical locking mechanism on the lower base, carry out circumference locking to the support column through circumference locking mechanism, carry out the locking of vertical position to the support column through vertical locking mechanism;
the circumferential locking mechanism comprises a circumferential locking gear, the circumferential locking gear is fixed at the bottom of the supporting column, a circle of outer conical teeth are arranged on the circumferential locking gear, a conical locking groove is formed in the bottom wall of the installation cavity of the lower base, a circle of inner conical teeth are arranged on the inner side wall of the locking groove, and the circumferential locking of the supporting column located at the lower limit position is achieved through the engagement of the outer conical teeth of the circumferential locking gear and the inner conical teeth of the locking groove.
As the preferable scheme of above-mentioned knife rest, lift actuating mechanism includes lifting gear, lifting rack, the transmission shaft, drive bevel gear, driven bevel gear, lifting rocker, transmission shaft and lifting rocker rotate respectively and install on lower base and mutually perpendicular, lifting rocker one end fixed mounting has drive bevel gear, lifting rocker other end stretches out from the perforation on the lower base lateral wall, driven bevel gear and lifting gear fixed cover dress are on the transmission shaft respectively, driven bevel gear meshes with drive bevel gear, lifting rack slides and sets up in the installation cavity and can follow vertical slip, lifting rack openly meshes with lifting gear, lifting rack back is equipped with outside convex side direction slider, open round and side direction slider matched with side direction spout on the support column lateral wall, side direction slider can circumferentially slide in side direction spout, rotate lifting rocker, can drive the rack and go up and down, and then drive support column and last base lift together through lifting rack.
As the preferred scheme of above-mentioned knife rest, rotary driving mechanism includes intermeshing's worm wheel and worm, and the worm wheel rotates the installation cavity that sets up in the lower base, and the worm wheel center is opened has only the vertical gliding sliding hole of support column, and the worm rotates to be installed on the lower base, and worm one end outwards stretches out from lower base lateral wall, rotates the worm, and the worm can drive the worm wheel rotation, and the worm wheel can drive the support column rotation.
As the preferred scheme of above-mentioned knife rest, the installation cavity bottom of lower base is equipped with vertical upwards extending guide post, and open at the support column bottom has vertical guide slot, and the guide slot and the guide post sliding fit of support column realize the vertical gliding direction to the support column.
As the preferred scheme of above-mentioned knife rest, vertical locking mechanism sets up in the lower base outside and is located the lift rocker periphery, vertical locking mechanism is including fixing the locking seat in the lower base outside, it has the through-hole that supplies the lift rocker to wear out to open on the locking seat, the locking seat outer end is opened there is the ring channel, be provided with annular locking dish in the ring channel, locking dish one side is equipped with the locking handle of outside extension, it has the operation groove that supplies the locking handle to stretch out and rotate to open on one side of the locking seat, be equipped with the screw thread arch that is the plane heliciform on the locking dish outer terminal surface, the locking seat outer end is equipped with two radial spouts that are relative, slide in two radial spouts respectively and be provided with two locking sliders, the locking slider is equipped with the many arc recesses with screw thread arch matched with in the one end towards the locking dish, locking seat outer end fixed mounting has the clamping ring, inwards compress tightly two locking sliders through the clamping ring, the inner end of two locking sliders stretches into respectively in the through rotating the locking handle and drives the locking dish and rotate, under the bellied effect of the screw thread of two locking slider and locking dish, thereby drive two locking sliders and are close to each other or keep away from each other to realize the tight or loosen the rocker.
As the preferable scheme of above-mentioned knife rest, be equipped with the closed loop between upper base and the lower base top, the closed loop is through a plurality of closed springs and the upper base elastic connection that distribute along circumference, and the elasticity is supported the closed loop all the time on the lower base terminal surface through a plurality of closed springs.
As the preferable scheme of above-mentioned knife rest, lifting rack top is equipped with upwards convex top slider, goes up the base bottom and opens the top spout that has round and top slider matched with, and top slider can circumference slip in the top spout.
As the preferable scheme of above-mentioned knife rest, be equipped with a plurality of edges that stop rotating along circumference on the support column lateral wall, be equipped with a plurality of grooves that stop rotating along circumference on the sliding hole inside wall at worm wheel center, a plurality of grooves that stop rotating and a plurality of edges that stop rotating one-to-one cooperate.
As the preferable scheme of the knife rest, the top end surface of the lower base is provided with angle scale marks, and one side of the upper base is provided with a pointer matched with the angle scale marks.
Compared with the prior art, the invention has the following advantages:
1. the tool rest for quickly adjusting the tool main deflection angle on the dynamometer can drive the support column and the upper base on the support column to rotate circumferentially together through the rotary driving mechanism, so that the tool on the tool mounting frame of the upper base is driven to rotate, further the adjustment of the tool main deflection angle is realized, the circumferential position and the vertical position of the support column can be respectively locked through the circumferential locking mechanism and the vertical locking mechanism, the main deflection angle during cutting can be quickly changed without changing a blade and a cutter bar, the preparation time of production and processing is reduced, the labor intensity of workers is reduced, the production and processing efficiency is greatly improved, and the production and manufacturing cost is reduced; in addition, for scientific research experimenters, the tool rest can obtain enough main deflection angle experimental parameter levels, overcomes the defect of insufficient experimental data caused by few main deflection angle types which can be selected, and greatly improves the reliability and accuracy of experiments of the scientific research experimenters.
2. The lifting driving mechanism of the tool rest for rapidly adjusting the main deflection angle of the tool provided by the invention adopts a group of bevel gear mechanisms and a group of gear rack mechanisms, the lifting rocking bar is rotated to drive the racks to lift, and then the lifting rack drives the support column and the upper base to lift together.
3. According to the tool rest for rapidly adjusting the main deflection angle of the tool, provided by the invention, the circumferential locking mechanism adopts the bevel gear engagement to realize circumferential locking, so that the locking effect is good, and the stability of the main deflection angle of the tool is ensured.
4. The tool rest for rapidly adjusting the main deflection angle of the tool on the dynamometer provided by the invention has the advantages that the worm and gear mechanism is adopted as the rotary driving mechanism, and the worm wheel and the support column can only vertically slide and cannot rotate relatively, so that the lifting requirement of the support column is met, and the rotation motion of the worm wheel can be transmitted to the support column, thereby meeting the rotation requirement of the support column and the upper base.
5. According to the tool rest for rapidly adjusting the main deflection angle of the tool, the vertical locking mechanism of the tool rest is characterized in that the locking disc with the planar threads is adopted to drive the two locking sliding blocks to be close to or far away from each other, so that the lifting rocker can be clamped or loosened, and the support column and the upper base can be firmly locked at any vertical position; and the locking handle is only required to be rotated to realize locking or unlocking, so that the operation is convenient and quick.
6. The tool rest for rapidly adjusting the main deflection angle of the tool, provided by the invention, is elastically connected with the sealing ring at the bottom of the upper base, so that the sealing ring can be always elastically pressed against the top end surface of the lower base, external pollutants are effectively prevented from entering into the mounting cavity of the lower base, the tool rest structure is damaged, and the service life of the tool rest is prolonged.
7. The tool rest for quickly adjusting the main deflection angle of the tool provided by the invention has the advantages that the angle scale marks are arranged on the top end surface of the lower base, and the pointer matched with the angle scale marks for use is arranged on one side of the upper base, so that the operator can intuitively read the angle when adjusting the main deflection angle, and the main deflection angle can be adjusted more quickly, efficiently and accurately.
Drawings
Fig. 1 is a perspective view of the upper chassis of the present invention when it is lowered.
Fig. 2 is a perspective view of the upper base of the present invention when lifted.
Fig. 3 is a perspective view of the lift drive mechanism and the rotation drive mechanism of the present invention.
Fig. 4 is a longitudinal cross-sectional view of the present invention.
Fig. 5 is a perspective view of the circumferential locking mechanism of the present invention.
Fig. 6 is a perspective view of the vertical locking mechanism of the present invention.
Fig. 7 is a perspective view of the vertical locking mechanism of the present invention with the compression ring removed.
Fig. 8 is a perspective view of a locking plate of the vertical locking mechanism of the present invention.
Fig. 9 is a perspective view of two locking sliders of the vertical locking mechanism of the present invention.
Fig. 10 is a perspective exploded view of the upper bottom cover and the closure ring of the present invention.
Fig. 11 is a perspective view of the worm wheel of the present invention.
Reference numerals in the drawings: the device comprises an upper base, a lower base, a 3 mounting seat, a 4 mounting cavity, a 5 cutter mounting frame, a 6 sealing ring, a 7 sealing spring, an 8 supporting column, a 9 guiding column, a 10 guiding groove, a 11 lifting gear, a 12 lifting rack, a 13 transmission shaft, a 14 driving bevel gear, a 15 driven bevel gear, a 16 lifting rocker, a 17 lifting turntable, a 18 supporting block, a 19 supporting cross bar, a 20 guiding rod, a 21 lateral sliding block, a 22 lateral sliding groove, a 23 top sliding block, a 24 top sliding groove, a 25 circumferential locking gear, a 26 outer conical tooth, a 27 locking groove, a 28 inner conical tooth, a 29 worm wheel, a 30 worm, a 31 supporting rod, a 32 mounting sliding block, a 33 mounting sliding groove, a 34 sliding hole, a 35 rotation stopping lug, a 36 rotation stopping groove, a 37 rotating turntable, a 38 locking seat, a 39 through hole, a 40 locking disc, a 41 locking handle, a 42 operation groove, a 43 thread protrusion, a 44 locking sliding block, a 45 arc groove, a 46 clamping ring, a 47 arc pressing block, a 48 angle scale mark, a 49 pointer, a 50 clamping block and 51 clamping groove.
Detailed Description
The following describes in detail the examples of the present invention, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of protection of the present invention is not limited to the following examples.
Referring to fig. 1 to 11, this embodiment discloses a knife rest for quick adjustment of tool principal deflection angle on a dynamometer, including upper base 1 and lower base 2 that arrange from top to bottom, lower base 2 bottom is equipped with mount pad 3, be equipped with open top installation cavity 4 on lower base 2, upper base 1 lid is established in the installation cavity 4 top of lower base 2, be provided with tool mounting bracket 5 on upper base 1, be equipped with closed loop 6 between upper base 1 and lower base 2 top, closed loop 6 is through a plurality of closed springs 7 and the upper base 1 elastic connection that distribute along the circumference, be equipped with a plurality of fixture blocks 50 along the circumference on the inside wall of closed loop 6, upper base 1 lateral wall is equipped with a plurality of draw-in grooves 51 with fixture block 50 slider complex along the circumference, a plurality of fixture blocks 50 and a plurality of draw-in grooves 51 one-to-one sliding fit. The sealing rings 6 are always elastically pressed against the top end surface of the lower base 2 through the plurality of sealing springs 7, so that external pollutants are effectively prevented from entering the mounting cavity 4 of the lower base 2, and the tool rest structure is damaged. The bottom of the upper base 1 is provided with a support column 8 which extends vertically downwards, the support column 8 is positioned in the installation cavity 4 of the lower base 2, the bottom of the installation cavity 4 of the lower base 2 is provided with a guide column 9 which extends vertically upwards, the bottom of the support column 8 is provided with a vertical guide groove 10, and the guide groove 10 of the support column 8 is in sliding fit with the guide column 9 to realize the vertical sliding guide of the support column 8. The installation cavity 4 of the lower base 2 is internally provided with a lifting driving mechanism and a rotating driving mechanism, the lifting driving mechanism drives the support column 8 to vertically lift, the rotating driving mechanism drives the support column 8 to circumferentially rotate, the lower base 2 is also provided with a circumferential locking mechanism and a vertical locking mechanism, the support column 8 is circumferentially locked through the circumferential locking mechanism, and the vertical position of the support column 8 is locked through the vertical locking mechanism.
The lifting driving mechanism comprises a lifting gear 11, a lifting rack 12, a transmission shaft 13, a driving bevel gear 14, a driven bevel gear 15 and a lifting rocker 16, wherein the transmission shaft 13 and the lifting rocker 16 are respectively and rotatably arranged on the lower base 2 and are mutually perpendicular, one end of the lifting rocker 16 is fixedly provided with the driving bevel gear 14, the other end of the lifting rocker 16 extends out of a through hole in the side wall of the lower base 2 and is provided with a lifting turntable 17, one end of the lifting rocker 16, where the driving bevel gear 14 is arranged, is an inner end, the inner end of the lifting rocker 16 is rotatably supported on a supporting block 18, and the bottom of the supporting block 18 is fixed on the bottom wall of the installation cavity 4. Driven bevel gear 15 and lifting gear 11 are fixed the suit respectively on transmission shaft 13, and driven bevel gear 15 meshes with initiative bevel gear 14, and lifting rack 12 slides and sets up in installation cavity 4 and can follow vertical slip, is equipped with in the installation cavity 4 and supports horizontal pole 19, is fixed with vertical guide bar 20 on the support horizontal pole 19, and lifting rack 12 slide the suit on guide bar 20, sets up guide bar 20 and guides lifting rack 12 vertical movement for lifting rack 12 reciprocates the process more reliable and stable. The front surface of the lifting rack 12 is meshed with the lifting gear 11, a lateral sliding block 21 protruding outwards is arranged on the back surface of the lifting rack 12, a circle of lateral sliding grooves 22 which are in sliding fit with the lateral sliding block 21 are formed in the side wall of the supporting column 8, and the lateral sliding block 21 can circumferentially slide in the lateral sliding grooves 22; the top of the lifting rack 12 is provided with a top sliding block 23 protruding upwards, the bottom of the upper base 1 is provided with a circle of top sliding grooves 24 which are matched with the top sliding block 23 in a sliding way, the top sliding block 23 can circumferentially slide in the top sliding grooves 24, wherein the lateral sliding blocks 21 and the top sliding blocks 23 are T-shaped sliding blocks, and correspondingly, the lateral sliding grooves 22 and the top sliding grooves 24 are T-shaped sliding grooves. The lifting turntable 17 at the outer end of the lifting rocker 16 can drive the rack to lift, and then the lifting rack 12 drives the support column 8 and the upper base 1 to lift together.
The circumferential locking mechanism comprises a circumferential locking gear 25, the circumferential locking gear 25 is fixed at the bottom of the supporting column 8, a circle of outer conical teeth 26 are arranged on the circumferential locking gear 25, a conical locking groove 27 is formed in the bottom wall of the installation cavity 4 of the lower base 2, a circle of inner conical teeth 28 are arranged on the inner side wall of the locking groove 27, and the circumferential locking of the supporting column 8 positioned at the lower limit position is realized by meshing the outer conical teeth 26 of the circumferential locking gear 25 with the inner conical teeth 28 of the locking groove 27. Wherein, the outer cone teeth 26 and the inner cone teeth 28 have better locking effect by adopting helical teeth.
The rotary driving mechanism comprises a worm wheel 29 and a worm 30 which are meshed with each other, the worm wheel 29 is rotatably arranged in the installation cavity 4 of the lower base 2, specifically, a circle of annular installation sliding grooves 33 are formed in the bottom of the worm wheel 29, the worm wheel 29 is supported by a plurality of support rods 31 below, the bottoms of the support rods 31 are fixed on the bottom wall of the installation cavity 4 of the lower base 2, installation sliding blocks 32 are arranged at the tops of the support rods 31, the installation sliding blocks 32 at the tops of the support rods 31 are in sliding fit with the installation sliding grooves 33 at the bottom of the worm wheel 29, and the installation sliding blocks 32 can rotate Xiang Huadong relative to the installation sliding grooves 33, so that the worm wheel 29 is rotatably installed in the installation cavity 4; the mounting slide 32 is a T-shaped slide, and correspondingly, the mounting slide 33 is a slide with a T-shaped cross section. The center of the worm wheel 29 is provided with a sliding hole 34 for only the vertical sliding of the support column 8, a plurality of rotation stopping ribs 35 are arranged on the outer side wall of the support column 8 along the circumferential direction, a plurality of rotation stopping grooves 36 are arranged on the inner side wall of the sliding hole 34 in the center of the worm wheel 29 along the circumferential direction, and the rotation stopping grooves 36 are matched with the rotation stopping ribs 35 in a one-to-one correspondence manner, so that the support column 8 and the worm wheel 29 cannot rotate relatively and only can slide vertically. The worm 30 is rotatably mounted on the lower base 2, one end of the worm 30 extends outwards from the side wall of the lower base 2 and is provided with a rotary turntable 37, the rotary turntable 37 at the outer end of the worm 30 is rotated, the worm 30 drives the worm wheel 29 to rotate, and the worm wheel 29 drives the support column 8 to rotate.
The vertical locking mechanism is arranged on the outer side of the lower base 2 and is positioned on the periphery of the lifting rocker 16, the vertical locking mechanism comprises a locking seat 38 fixed on the outer side of the lower base 2, a through hole 39 for the lifting rocker 16 to penetrate is formed in the locking seat 38, an annular groove is formed in the outer end of the locking seat 38, an annular locking disc 40 is arranged in the annular groove, a locking handle 41 extending outwards is arranged on one side of the locking disc 40, an operating groove 42 for the locking handle 41 to extend out and rotate is formed in one side of the locking seat 38, a thread bulge 43 in a plane thread shape is formed in the outer end face of the locking disc 40, two opposite radial sliding grooves are formed in the outer end of the locking seat 38, two locking sliding blocks 44 are respectively arranged in the two radial sliding grooves in a sliding mode, a plurality of arc-shaped grooves 45 in sliding fit with the thread bulge 43 are formed in one end of the locking sliding blocks 44, a pressing ring 46 is fixedly arranged at the outer end of the locking seat 38, the two locking sliding blocks 44 are pressed inwards through the pressing ring 46, and two radial sliding grooves for the two locking sliding blocks 44 are formed in positions corresponding to the two locking sliding blocks 44. The inner ends of the two locking slide blocks 44 respectively extend into the through holes 39 of the locking seat 38 and are provided with arc-shaped pressing blocks 47, the locking handle 41 is rotated to drive the locking disc 40 to rotate, and under the matching action of the arc-shaped grooves 45 of the two locking slide blocks 44 and the threaded protrusions 43 of the locking disc 40, the two locking slide blocks 44 are driven to be close to or far away from each other, so that the lifting rocking bar 16 is clamped or loosened.
The top surface of the lower base 2 is provided with angle graduation marks 48, one side of the upper base 1 is provided with a pointer 49 matched with the angle graduation marks 48, and in the embodiment, the pointer 49 is arranged on the closed ring 6 which is elastically connected with the upper base 1.
In use, the tool is mounted on the tool mounting 5 and then the mounting 3 of the tool holder is mounted on a load cell on the machine. In the cutting process, if the main deflection angle of a cutter needs to be changed, firstly, loosening the lifting rocker 16 through the vertical locking mechanism, rotating the lifting turntable 17, driving the lifting rack 12 to move upwards through the lifting driving mechanism, driving the support column 8 and the upper base 1 to move upwards through the lifting rack 12 until the circumferential locking gear 25 at the bottom of the support column 8 is lifted to be completely separated from the inner conical tooth 28 of the locking groove 27, at the moment, the circumferential movement of the support column 8 is unlocked, and clamping the lifting rocker 16 through the vertical locking mechanism, so that the support column 8 and the upper base 1 are locked and stopped at the vertical position; and then the rotary turntable 37 is rotated, the support column 8 and the upper base 1 on the support column are driven to horizontally rotate together through the worm and gear mechanism, and then the cutter is driven to horizontally rotate, so that the main deflection angle of the cutter can be quickly adjusted, and the rotating angle can be intuitively and accurately read according to the matching of the pointer 49 and the angle scale line 48. When the cutter is adjusted to a required main deflection angle, the lifting rocker 16 is loosened again through the vertical locking mechanism, the lifting turntable 17 is reversely rotated, the lifting rack 12 is driven to move downwards through the lifting driving mechanism, the lifting rack 12 drives the support column 8 and the upper base 1 to move downwards to an initial position together, at the moment, the circumferential locking gear 25 at the bottom of the support column 8 is meshed with the inner conical teeth 28 of the locking groove 27 again, and thus the locking of the circumferential position of the support column 8 is realized, and the locking of the main deflection angle position of the cutter is realized; simultaneously, the lifting rocker 16 is clamped again through the vertical locking mechanism, and the support column 8 is locked at the lower limit position, so that the quick adjustment and locking of the main deflection angle of the cutter are completed.
Due to the special structure of the tool rest, the main deflection angle of the machine tool can be quickly changed during cutting without changing the blade and the tool bar during machining, so that the preparation time of production and machining is reduced, the labor intensity of workers is reduced, the production and machining efficiency is greatly improved, and meanwhile, the production and manufacturing cost is also reduced; for scientific research experimenters, the tool rest can obtain enough main deflection angle experimental parameter levels, the defect of insufficient experimental data caused by few main deflection angle types which can be selected is avoided, and the reliability and accuracy of the scientific research experimenters are greatly improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (7)
1. The utility model provides a knife rest for quick adjustment cutter main deflection angle on dynamometer, is including last base (1) and lower base (2) of arranging from top to bottom, its characterized in that: the automatic cutting machine is characterized in that an installation cavity (4) with an open top is arranged on the lower base (2), the upper base (1) is arranged above the installation cavity (4) of the lower base (2) in a covering mode, a cutter installation frame (5) is arranged on the upper base (1), a support column (8) extending vertically downwards is arranged at the bottom of the upper base (1), the support column (8) is located in the installation cavity (4) of the lower base (2), a lifting driving mechanism and a rotation driving mechanism are arranged in the installation cavity (4) of the lower base (2), the support column (8) is driven to vertically lift through the lifting driving mechanism, the support column (8) is driven to circumferentially rotate through the rotation driving mechanism, a circumferential locking mechanism and a vertical locking mechanism are further arranged on the lower base (2), the support column (8) is circumferentially locked through the circumferential locking mechanism, and the vertical position of the support column (8) is locked through the vertical locking mechanism;
the circumferential locking mechanism comprises a circumferential locking gear (25), the circumferential locking gear (25) is fixed at the bottom of the supporting column (8), a circle of outer conical teeth (26) are arranged on the circumferential locking gear (25), a conical locking groove (27) is formed in the bottom wall of the installation cavity (4) of the lower base (2), a circle of inner conical teeth (28) are arranged on the inner side wall of the locking groove (27), and the circumferential locking of the supporting column (8) at the lower limit position is realized by meshing the outer conical teeth (26) of the circumferential locking gear (25) with the inner conical teeth (28) of the locking groove (27);
the lifting driving mechanism comprises a lifting gear (11), a lifting rack (12), a transmission shaft (13), a driving bevel gear (14), a driven bevel gear (15) and a lifting rocker (16), wherein the transmission shaft (13) and the lifting rocker (16) are respectively rotatably arranged on a lower base (2) and are mutually perpendicular, one end of the lifting rocker (16) is fixedly provided with the driving bevel gear (14), the other end of the lifting rocker (16) extends out of a through hole on the side wall of the lower base (2), the driven bevel gear (15) and the lifting gear (11) are respectively fixedly sleeved on the transmission shaft (13), the driven bevel gear (15) is meshed with the driving bevel gear (14), the lifting rack (12) is slidably arranged in an installation cavity (4) and can vertically slide, the front surface of the lifting rack (12) is meshed with the lifting gear (11), the back surface of the lifting rack (12) is provided with a lateral sliding block (21) which is outwards protruded, a circle of lateral sliding groove (22) which is slidably matched with the lateral sliding block (21) is formed in the side wall of a support column (8), the lateral sliding block (21) can circumferentially slide in the lateral sliding groove (22), and the lifting rocker (16) is rotated, so that the lifting rack (12) can be driven to lift and lift the support column (1) together;
the vertical locking mechanism is arranged on the outer side of the lower base (2) and is positioned on the periphery of the lifting rocker (16), the vertical locking mechanism comprises a locking seat (38) fixed on the outer side of the lower base (2), a through hole (39) for the lifting rocker (16) to penetrate is formed in the locking seat (38), an annular groove is formed in the outer end of the locking seat (38), an annular locking disc (40) is arranged in the annular groove, an outwards extending locking handle (41) is arranged on one side of the locking disc (40), an operating groove (42) for the locking handle (41) to extend and rotate is formed in one side of the locking seat (38), a threaded bulge (43) in a plane thread shape is arranged on the outer end face of the locking disc (40), two opposite radial sliding grooves are formed in the outer end of the locking seat (38), two locking sliding blocks (44) are respectively arranged in a sliding mode, a plurality of arc-shaped grooves (45) which are in sliding fit with the threaded bulge (43) are formed in one end of the locking sliding block (44), the outer end of the locking seat (38) is fixedly provided with a pressing ring (46), the two inner ends (44) are pressed into the arc-shaped pressing ring (41) through the two locking blocks (44) to be driven to rotate, and the two inner ends (44) are respectively pressed into the arc-shaped pressing ring (41) to be driven to rotate, and the pressing ring (41) to be pressed into the through the arc-shaped pressing ring (40) to be respectively, under the cooperation of the arc-shaped grooves (45) of the two locking sliding blocks (44) and the threaded protrusions (43) of the locking disc (40), the two locking sliding blocks (44) are driven to be close to or far away from each other, so that the lifting rocking rod (16) is clamped or loosened.
2. A tool holder for use in a load cell for rapid adjustment of tool principal deflection angle as claimed in claim 1, wherein: the rotary driving mechanism comprises a worm wheel (29) and a worm (30) which are meshed with each other, the worm wheel (29) is rotationally arranged in a mounting cavity (4) of the lower base (2), a sliding hole (34) for only enabling the support column (8) to vertically slide is formed in the center of the worm wheel (29), the worm (30) is rotationally arranged on the lower base (2), one end of the worm (30) extends out of the side wall of the lower base (2), the worm (30) is rotated, the worm (30) can drive the worm wheel (29) to rotate, and the worm wheel (29) can drive the support column (8) to rotate.
3. A tool holder for use in a load cell for rapid adjustment of tool principal deflection angle as claimed in claim 1, wherein: the bottom of the installation cavity (4) of the lower base (2) is provided with a guide column (9) extending vertically upwards, the bottom of the support column (8) is provided with a vertical guide groove (10), and the guide groove (10) of the support column (8) is in sliding fit with the guide column (9) so as to realize the vertical sliding guide of the support column (8).
4. A tool holder for use in a load cell for rapid adjustment of tool principal deflection angle as claimed in claim 1, wherein: the upper base (1) and the top end of the lower base (2) are provided with a closed ring (6), the closed ring (6) is elastically connected with the upper base (1) through a plurality of closed springs (7) distributed along the circumferential direction, and the closed ring (6) is always elastically pressed on the top end face of the lower base (2) through the plurality of closed springs (7).
5. A tool holder for use in a load cell for rapid adjustment of tool principal deflection angle as claimed in claim 1, wherein: the lifting rack (12) is characterized in that the top of the lifting rack (12) is provided with an upward protruding top sliding block (23), the bottom of the upper base (1) is provided with a circle of top sliding grooves (24) which are in sliding fit with the top sliding block (23), and the top sliding block (23) can circumferentially slide in the top sliding grooves (24).
6. A tool holder for use in a load cell for rapid adjustment of tool principal deflection angle as claimed in claim 3, wherein: a plurality of rotation stopping ribs (35) are arranged on the outer side wall of the support column (8) along the circumferential direction, a plurality of rotation stopping grooves (36) are arranged on the inner side wall of a sliding hole (34) in the center of the worm wheel (29) along the circumferential direction, and the rotation stopping grooves (36) are matched with the rotation stopping ribs (35) in a one-to-one correspondence mode.
7. A tool holder for use in a load cell for rapid adjustment of tool principal deflection angle as claimed in claim 1, wherein: the top end surface of the lower base (2) is provided with angle scale marks (48), and one side of the upper base (1) is provided with a pointer (49) matched with the angle scale marks (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210426244.0A CN114603508B (en) | 2022-04-21 | 2022-04-21 | Tool rest for rapidly adjusting main deflection angle of tool on dynamometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210426244.0A CN114603508B (en) | 2022-04-21 | 2022-04-21 | Tool rest for rapidly adjusting main deflection angle of tool on dynamometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114603508A CN114603508A (en) | 2022-06-10 |
| CN114603508B true CN114603508B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210426244.0A Active CN114603508B (en) | 2022-04-21 | 2022-04-21 | Tool rest for rapidly adjusting main deflection angle of tool on dynamometer |
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| CN (1) | CN114603508B (en) |
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| CN108031945A (en) * | 2017-12-07 | 2018-05-15 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of high frequency brazing fixture of carbide bit and structural steel handle of a knife |
| JP2019188582A (en) * | 2018-04-28 | 2019-10-31 | 福建省通通発科技発展有限公司 | Highly efficient and new type jig component for work-piece clamping |
| CN113561127A (en) * | 2021-08-16 | 2021-10-29 | 嘉兴市阿丽三科技有限公司 | Production clamping device for mechanical equipment and clamping process thereof |
| CN114310503A (en) * | 2021-12-29 | 2022-04-12 | 姜堰经济开发区科创中心 | Tool rest of diamond tool sharpening machine tool |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108031945A (en) * | 2017-12-07 | 2018-05-15 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of high frequency brazing fixture of carbide bit and structural steel handle of a knife |
| JP2019188582A (en) * | 2018-04-28 | 2019-10-31 | 福建省通通発科技発展有限公司 | Highly efficient and new type jig component for work-piece clamping |
| CN113561127A (en) * | 2021-08-16 | 2021-10-29 | 嘉兴市阿丽三科技有限公司 | Production clamping device for mechanical equipment and clamping process thereof |
| CN114310503A (en) * | 2021-12-29 | 2022-04-12 | 姜堰经济开发区科创中心 | Tool rest of diamond tool sharpening machine tool |
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| 棘轮锁紧式举升机构的设计;范健文;熊维平;管菁;;现代制造技术与装备(第06期);全文 * |
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| CN114603508A (en) | 2022-06-10 |
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