CN110576200B - Multifunctional four-jaw chuck for machine tool - Google Patents
Multifunctional four-jaw chuck for machine tool Download PDFInfo
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- CN110576200B CN110576200B CN201910897378.9A CN201910897378A CN110576200B CN 110576200 B CN110576200 B CN 110576200B CN 201910897378 A CN201910897378 A CN 201910897378A CN 110576200 B CN110576200 B CN 110576200B
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- sliding
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- ratchet
- spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/102—Jaws, accessories or adjustment means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
- B23B31/1627—Details of the jaws
- B23B31/16283—Indivudually adjustable jaws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention relates to the field of clamps, in particular to a multifunctional four-jaw chuck for a machine tool, which comprises a clamping combination body, an adjusting combination body and a disk-shaped part clamping combination body, wherein the four-jaw chuck is one of common clamps of the machine tool, the traditional four-jaw chuck can only realize the single function of automatic centering or non-automatic centering of four jaws and can not clamp elliptic and rectangular disk-shaped parts, the invention solves the problems that a pull handle is stirred to rotate by the angle of one ratchet and limit the position, the rotation of the rotary handle can simultaneously adjust the four jaws to simultaneously advance or retreat so as to finish automatic centering clamping, the pull handle is stirred to rotate by the angle of two ratchets and limit the position, a four-corner wrench can be used for respectively adjusting the position of each jaw so as to finish clamping elliptic, rectangular and other cylindrical materials, the disk-shaped part clamping combination body can clamp disk-shaped parts and is convenient to, when in use, the clamping part can be rapidly installed, and when not in use, the clamping part can be rapidly disassembled.
Description
Technical Field
The invention relates to the field of clamps, in particular to a multifunctional four-jaw chuck for a machine tool.
Background
The four-jaw chuck is one of common clamps of a machine tool, the traditional four-jaw chuck can only realize the single function of automatic centering or non-automatic centering of four jaws and can not clamp oval and rectangular disc-shaped parts, and the invention solves the problems.
Disclosure of Invention
The purpose of the invention is realized by the following technical scheme:
a multifunctional four-jaw chuck for a machine tool comprises a clamping assembly, an adjusting assembly and a disc-shaped part clamping assembly, wherein the clamping assembly comprises a four-corner wrench, adjusting cylinders, a clamp shell, bevel gears, spiral toothed shafts, spiral teeth, jaws, jaw sliding frames, jaw sliding rails, sliding chutes I, positioning holes, sliding chutes II, friction grooves and threaded through holes, the four-corner wrench and the four adjusting cylinders are in clearance fit, the four adjusting cylinders are rotationally connected with the clamp shell, the four adjusting cylinders are respectively connected with the four bevel gears, the four bevel gears are respectively connected with the four spiral toothed shafts, the four spiral toothed shafts are respectively connected with the four spiral teeth, the four spiral teeth are respectively connected with the four jaws in a meshing manner, the rotating directions of every two opposite spiral teeth are opposite, the four jaws are respectively connected with the eight jaw sliding frames, the four jaws and the eight jaws are respectively connected with the four jaw sliding rails in a sliding manner, four jack catch slide rails, spout II, friction groove, two screw thread through-holes all are located the anchor clamps shell, and four spouts I are located four jack catches respectively, and the locating hole equipartition is in four spouts I respectively.
The adjusting assembly comprises a handle, a poking claw shaft, a poking claw, a spring sheet bracket, a ratchet wheel shaft, a ratchet wheel positioning groove I, a handle shaft, a bracket, a pull button, a sliding plate, a spring I, a sliding plate sliding rail, a ratchet wheel positioning groove II, a shifting fork, a shifting column, a shifting wheel, a poking wheel shaft, a bracket, a connecting rod, a support lug, a friction block, a square spring, a friction block sliding groove, a spring II bracket, a spring II, a rotating handle, a sliding cover and annular conical teeth, wherein the handle is connected with the poking claw shaft, the poking claw shaft is rotationally connected with the poking claw, the spring sheet bracket is connected with the handle, two ends of the spring sheet are respectively connected with the spring sheet bracket and the poking claw, the spring sheet is in a compressed state, the poking claw is contacted with the ratchet wheel, the ratchet wheel is connected with the ratchet wheel shaft, the handle is connected with the handle shaft, the handle shaft is rotationally connected with the support, the pull button is connected with the sliding plate, the spring I is sleeved on the sliding plate, two ends of the spring I are respectively connected with the pull button and the sliding plate slide rail, the spring I is in a compressed state, the sliding plate is slidably connected with the sliding plate slide rail, the ratchet wheel positioning groove I and the ratchet wheel positioning groove II, the sliding plate slide rail is connected with the support, the handle is connected with the shifting fork which is respectively connected with two shifting columns, the two shifting columns are respectively contacted with the shifting wheel, the shifting wheel is connected with the shifting wheel shaft, the shifting wheel shaft is connected with the rotary handle, the shifting wheel shaft is connected with the support, the two connecting rods are respectively hinged with two support lugs, the two support lugs are respectively connected with the two friction blocks, the two friction blocks are respectively slidably connected with the two friction block slide grooves, the two friction blocks are in a compressed state, the two friction block sliding grooves are located on the sliding cover, the sliding cover is in sliding connection with the sliding groove II, the four spring II supports are connected with the clamp shell, two ends of the four springs II are respectively connected with the four spring II supports and the sliding cover, the four springs II are in a compressed state, the sliding cover is connected with the annular bevel gear, and the annular bevel gear is in meshing connection with the four bevel gears;
the clamping assembly is connected with the adjusting assembly, and the disc-shaped part clamping assembly is connected with the clamping assembly.
As a further optimization of the technical scheme, the invention relates to a multifunctional four-jaw chuck for a machine tool, wherein a disk-shaped part clamping assembly comprises a lifting disk, a threaded shaft I, a lifting knob, a belt wheel I, a belt wheel II, a threaded shaft II, a transposition rod, an inclined block shell, a spring III, an inclined block shell sliding frame, a lower threaded column, an upper threaded cylinder and a limiting disk, wherein the lifting disk is rotatably connected with the threaded shaft I and the threaded shaft II, the threaded shaft I and the threaded shaft II are respectively in threaded connection with two threaded through holes, the lifting knob and the belt wheel I are respectively connected with the threaded shaft I, the belt wheel I, the belt and the belt wheel II are connected with the belt wheel II, the eight transposition rods are respectively connected with the eight inclined blocks, the eight transposition rods and the eight inclined blocks are respectively in sliding connection with the four inclined block shells, two ends of the four springs III are respectively connected with the eight inclined blocks, four springs III all are located four sloping block shells, and four springs III all are in compression state, and four sloping block shells are connected with eight sloping block shell balladers, and four sloping block shells, eight sloping block shell balladers all are connected with I sliding connection of spout, and four lower screw thread posts are connected with four sloping block shells respectively, and four lower screw thread posts are connected with four last screw thread section of thick bamboo threaded connection respectively, and four last screw thread section of thick bamboo are connected with four spacing dishes respectively.
The multifunctional four-jaw chuck for the machine tool has the beneficial effects that: stir the rotatory ratchet's of handle angle and spacing, it can adjust four jack catchs simultaneously and advance or retreat simultaneously to rotate the swing handle this moment, can accomplish automatic centering and press from both sides tightly, stir the rotatory two ratchet's of handle angle and spacing, use the four corners spanner to adjust the position of every jack catch respectively this moment, can accomplish the clamp of cylindricality materials such as ellipse, rectangle, the tight assembly of dish type part clamp can press from both sides tight dish type part, and convenient to detach, the installation, can install rapidly during the application and press from both sides tight part, can dismantle rapidly when not finishing.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a first view of the structure of the clamping assembly 1 of the present invention;
FIG. 3 is a schematic structural view II of the clamping assembly 1 of the present invention;
FIG. 4 is an enlarged partial schematic view of the clamping assembly 1 of the present invention;
FIG. 5 is a schematic view showing the structure of the clamping assembly 1 of the present invention;
FIG. 6 is a fourth schematic structural view of the clamping assembly 1 of the present invention;
FIG. 7 is a first schematic view of the structure of the adjusting assembly 2 of the present invention;
FIG. 8 is a second schematic structural view of the adjusting assembly 2 of the present invention;
FIG. 9 is a third schematic view of the structure of the adjusting assembly 2 of the present invention;
FIG. 10 is a fourth schematic view of the structure of the adjusting assembly 2 of the present invention;
FIG. 11 is a fifth schematic view of the adjusting assembly 2 of the present invention;
FIG. 12 is a partial cross-sectional view of the conditioning assembly 2 of the present invention;
FIG. 13 is a sixth schematic view of the adjusting assembly 2 of the present invention;
FIG. 14 is a first structural view of the disk-shaped part clamping assembly 3 of the present invention;
FIG. 15 is a second structural view of the disc-shaped part clamping assembly 3 of the present invention;
FIG. 16 is a partial sectional view three of the disc-type part clamp assembly 3 of the present invention;
fig. 17 is a third structural view of the disc-shaped part clamping assembly 3 of the invention.
In the figure: a clamping assembly 1; 1-1 of a quadrangular wrench; an adjusting cylinder 1-2; 1-3 of a clamp shell; 1-4 of bevel gears; 1-5 of a spiral tooth shaft; 1-6 parts of helical teeth; 1-7 of a claw; a jaw carriage 1-8; a jaw slide rail 1-9; 1-10 of a chute I; 1-11 of positioning holes; 1-12 of a chute II; 1-13 of friction groove; threaded through holes 1-14; adjusting the combination body 2; 2-1 of a handle; a claw shaft 2-2; 2-3 of a pusher dog; 2-4 of a spring plate; 2-5 of a spring plate bracket; 2-6 parts of ratchet wheel; 2-7 of ratchet shaft; ratchet wheel positioning grooves I2-8; 2-9 parts of a handle shaft; 2-10 parts of a bracket; 2-11 of a pull button; 2-12 of a sliding plate; 2-13 parts of a spring; 2-14 parts of a sliding plate sliding rail; 2-15 ratchet wheel positioning grooves; 2-16 of a shifting fork; 2-17 of a shifting column; 2-18 of a thumb wheel; 2-19 of a shifting wheel shaft; 2-20 parts of a bracket; 2-21 of a connecting rod; 2-22 of a support lug; 2-23 parts of friction blocks; 2-24 parts of square spring; 2-25 of a sliding chute of the friction block; 2-26 of a spring II bracket; 2-27 parts of a spring II; 2-28 of a rotating handle; a slide cover 2-29; 2-30 parts of annular bevel gear; a disc-shaped part clamp assembly 3; 3-1 of a lifting disc; 3-2 parts of a threaded shaft; 3-3 of a lifting knob; 3-4 belt wheels; 3-5 parts of a belt; belt wheels II 3-6; 3-7 parts of a threaded shaft; 3-8 parts of a transposition rod; 3-9 parts of a sloping block; 3-10 parts of an inclined block shell; 3-11 parts of a spring; a swash block housing carriage 3-12; 3-13 parts of lower threaded column; 3-14 parts of an upper thread cylinder; and 3-15 parts of a limiting disc.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The fixed connection in the equipment is realized by fixing in modes of welding, thread fixing and the like, and different fixing modes are used in combination with different use environments; the rotary connection means that the bearing is arranged on the shaft in a drying mode, a spring retainer ring groove is formed in the shaft or the shaft hole, and the elastic retainer ring is clamped in the retainer ring groove to achieve axial fixation of the bearing and achieve rotation; the sliding connection refers to the connection through the sliding of the sliding block in the sliding groove or the guide rail; the hinge joint is a movable connection mode on connecting parts such as a hinge, a pin shaft, a short shaft and the like; the required sealing positions are sealed by sealing rings or O-shaped rings.
The first embodiment is as follows:
the embodiment is described below by combining fig. 1-17, a multifunctional four-jaw chuck for a machine tool, which comprises a clamping assembly 1, an adjusting assembly 2 and a disk-shaped part clamping assembly 3, wherein the clamping assembly 1 comprises a four-corner wrench 1-1, an adjusting cylinder 1-2, a clamp housing 1-3, bevel gears 1-4, a spiral gear shaft 1-5, spiral teeth 1-6, clamping jaws 1-7, clamping jaw sliding frames 1-8, clamping jaw sliding rails 1-9, sliding chutes i 1-10, positioning holes 1-11, sliding chutes ii 1-12, friction grooves 1-13 and threaded through holes 1-14, the four-corner wrench 1-1 and the four adjusting cylinders 1-2 are in clearance fit, the four adjusting cylinders 1-2 are rotatably connected with the clamp housing 1-3, the four adjusting cylinders 1-2 are respectively connected with the four bevel gears 1-4, four bevel gears 1-4 are respectively connected with four spiral tooth shafts 1-5, the four spiral tooth shafts 1-5 are respectively connected with four spiral teeth 1-6, the four spiral teeth 1-6 are respectively connected with four claws 1-7 in a meshing way, the rotating directions of every two opposite spiral teeth 1-6 are opposite, the four claws 1-7 are respectively connected with eight claw sliding frames 1-8, the four claws 1-7 and the eight claw sliding frames 1-8 are respectively connected with four claw sliding rails 1-9 in a sliding way, the four claw sliding rails 1-9, sliding chutes II 1-12, friction grooves 1-13 and two threaded through holes 1-14 are all positioned in a clamp shell 1-3, the four sliding chutes I1-10 are respectively positioned in the four claws 1-7, and positioning holes 1-11 are respectively and uniformly distributed in the four sliding chutes I1-10, clamping can be accomplished.
The adjusting assembly 2 comprises a handle 2-1, a pusher shaft 2-2, a pusher 2-3, a spring plate 2-4, a spring plate support 2-5, a ratchet 2-6, a ratchet shaft 2-7, a ratchet positioning groove I2-8, a handle shaft 2-9, a support 2-10, a pull button 2-11, a sliding plate 2-12, a spring I2-13, a sliding plate slide rail 2-14, a ratchet positioning groove II 2-15, a shifting fork 2-16, a shifting column 2-17, a shifting wheel 2-18, a shifting wheel shaft 2-19, a support 2-20, a connecting rod 2-21, a support lug 2-22, a friction block 2-23, a square spring 2-24, a friction block sliding groove 2-25, a spring II support 2-26, a spring II 2-27, a rotary handle 2-28, a spring support 2-5, a ratchet positioning, The sliding cover 2-29 and the ring-shaped bevel gear 2-30, the handle 2-1 is connected with the pusher dog shaft 2-2, the pusher dog shaft 2-2 is rotationally connected with the pusher dog 2-3, the spring piece support 2-5 is connected with the handle 2-1, two ends of the spring piece 2-4 are respectively connected with the spring piece support 2-5 and the pusher dog 2-3, the spring piece 2-4 is in a compressed state, the pusher dog 2-3 is contacted with the ratchet wheel 2-6, the ratchet wheel 2-6 is connected with the ratchet wheel shaft 2-7, the ratchet wheel shaft 2-7 is connected with the ratchet wheel positioning groove I2-8, the ratchet wheel positioning groove I2-8 and the ratchet wheel 2-6 have sixteen same number, the ratchet wheel positioning groove I2-8 is rotationally connected with the support 2-10, and the handle 2-1 is connected with the handle shaft 2-9, the handle shaft 2-9 is rotatably connected with the support 2-10, the pull button 2-11 is connected with the sliding plate 2-12, the spring I2-13 is sleeved on the sliding plate 2-12, two ends of the spring I2-13 are respectively connected with the pull button 2-11 and the sliding plate slide rail 2-14, the spring I2-13 is in a compressed state, the sliding plate 2-12 is slidably connected with the sliding plate slide rail 2-14, the ratchet wheel positioning groove I2-8 and the ratchet wheel positioning groove II 2-15, the sliding plate slide rail 2-14 is connected with the support 2-10, the handle 2-1 is connected with the shifting fork 2-16, the shifting fork 2-16 is respectively connected with the two shifting columns 2-17, the two shifting columns 2-17 are respectively connected with the shifting wheels 2-18, the shifting wheels 2-18 are connected with the shifting wheel shafts 2-19, the dial wheel shaft 2-19 is connected with the rotary handle 2-28, the dial wheel shaft 2-19 is connected with the support 2-20, two connecting rods 2-21 are hinged with the support 2-20, two connecting rods 2-21 are respectively hinged with two support lugs 2-22, two support lugs 2-22 are respectively connected with two friction blocks 2-23, two friction blocks 2-23 are respectively connected with two friction block chutes 2-25 in a sliding manner, two ends of two square springs 2-24 are respectively connected with two friction block chutes 2-25 and two friction blocks 2-23, two friction blocks 2-23 are in a compressed state, two friction block chutes 2-25 are respectively positioned on a sliding cover 2-29, the sliding cover 2-29 is connected with chutes II 1-12 in a sliding manner, four spring II supports 2-26 are respectively connected with a clamp shell 1-3, two ends of the four springs II 2-27 are respectively connected with the four spring II supports 2-26 and the sliding covers 2-29, the four springs II 2-27 are all in a compressed state, the sliding covers 2-29 are connected with the annular bevel gears 2-30, and the annular bevel gears 2-30 are in meshed connection with the four bevel gears 1-4, so that automatic centering clamping or non-automatic centering clamping can be adjusted;
the clamping assembly 1 is connected with the adjusting assembly 2, and the disc-shaped part clamping assembly 3 is connected with the clamping assembly 1.
The second embodiment is as follows:
the embodiment is described below by combining with figures 1-17, and the embodiment is further described, wherein the disc-shaped part clamping assembly 3 comprises a lifting disc 3-1, a threaded shaft I3-2, a lifting knob 3-3, a belt wheel I3-4, a belt 3-5, a belt wheel II 3-6, a threaded shaft II 3-7, a transposition rod 3-8, an inclined block 3-9, an inclined block shell 3-10, a spring III 3-11, an inclined block shell sliding frame 3-12, a lower threaded column 3-13, an upper threaded cylinder 3-14 and a limiting disc 3-15, the lifting disc 3-1 is rotatably connected with the threaded shaft I3-2 and the threaded shaft II 3-7, the threaded shaft I3-2 and the threaded shaft II 3-7 are respectively in threaded connection with two threaded through holes 1-14, a lifting knob 3-3 and a belt wheel I3-4 are connected with a threaded shaft I3-2, the belt wheel I3-4, a belt 3-5 and a belt wheel II 3-6 are connected with a belt wheel, the belt wheel II 3-6 is connected with a threaded shaft II 3-7, eight transposition rods 3-8 are respectively connected with eight swash blocks 3-9, eight transposition rods 3-8 and eight swash blocks 3-9 are respectively connected with four swash block shells 3-10 in a sliding manner, two ends of four springs III 3-11 are respectively connected with eight swash blocks 3-9, four springs III 3-11 are respectively positioned in the four swash block shells 3-10, four springs III 3-11 are respectively in a compressed state, four swash block shells 3-10 are connected with eight swash block shell sliding carriages 3-12, and four swash block shells 3-10, Eight sloping block shell sliding frames 3-12 are all in sliding connection with sliding chutes I1-10, four lower threaded columns 3-13 are respectively connected with four sloping block shells 3-10, four lower threaded columns 3-13 are respectively in threaded connection with four upper threaded cylinders 3-14, four upper threaded cylinders 3-14 are respectively connected with four limiting discs 3-15, disc-shaped parts can be clamped, disassembly and assembly are convenient, the clamping parts can be rapidly installed during application, and the disassembly can be rapidly completed when the device is not used.
The invention relates to a multifunctional four-jaw chuck for a machine tool, which has the working principle that: the handle 2-1 is stirred, the handle 2-1 rotates by taking a handle shaft 2-9 as a fulcrum, the handle 2-1 drives a poke claw shaft 2-2 to rotate, the poke claw shaft 2-2 drives a poke claw 2-3 to slide on the surface of a ratchet 2-6, the poke claw 2-3 is always kept in close contact with the ratchet 2-6 under the action of an elastic sheet 2-4, when the poke claw 2-3 rotates by the angle of one ratchet, the handle 2-1 is released, the poke claw 2-3 cannot be reset by a clamped ratchet on the ratchet 2-6, the handle 2-1 cannot be reset, the handle 2-1 drives a shifting fork 2-16 to rotate, the shifting fork 2-16 drives two shifting columns 2-17 to rotate, the two shifting columns 2-17 drive shifting wheels 2-18 to move, the shifting wheels 2-18 drive shifting wheel shafts 2-19 to move, the dial wheel shaft 2-19 drives the bracket 2-20 to move, the bracket 2-20 drives the two connecting rods 2-21 hinged with the bracket to tend to be vertical, the two connecting rods 2-21 drive the two friction blocks 2-23 to slide in the friction block sliding grooves 2-25 through the two support lugs 2-22, the two friction blocks 2-23 are not contacted with the friction grooves 1-13 any more, the sliding cover 2-29 rotates without influencing the clamp shell 1-3, the rotating handle 2-28 is rotated, the clamp shell 1-3 is fixed, the rotating handle 2-28 drives the dial wheel shaft 2-19 to rotate, the dial wheel shaft 2-19 drives the bracket 2-20 to rotate, the bracket 2-20 drives the two connecting rods 2-21 to rotate, the two connecting rods 2-21 drive the two friction blocks 2-23 to rotate through the two support lugs 2-22, two friction blocks 2-23 drive a sliding cover 2-29 to rotate, the sliding cover 2-29 drives an annular bevel gear 2-30 to rotate, the annular bevel gear 2-30 drives four bevel gears 1-4 to rotate, the four bevel gears 1-4 drive four spiral gear shafts 1-5 to rotate, the four spiral gear shafts 1-5 drive four spiral teeth 1-6 to rotate, the rotation directions of every two opposite spiral teeth 1-6 are opposite, the four spiral teeth 1-6 drive four claws 1-7 to slide in four claw slide rails 1-9, the four claws 1-7 drive four claw slide frames 1-8 to slide in the four claw slide rails 1-9, thus completing the simultaneous automatic centering and clamping of the four claws 1-7, and the self-locking function is realized because the four spiral teeth 1-6 are meshed with the four claws 1-7, therefore, the clamping parts of the four clamping jaws 1-7 cannot be loosened, the handle 2-1 is pulled, the transmission process from the handle 2-1 to the ratchet wheel 2-6 is repeated, the pusher dog 2-3 rotates by the angle of one ratchet tooth again and is limited by the ratchet tooth on the ratchet wheel 2-6, the transmission process from the shifting fork 2-16 to the friction block 2-23 is repeated, the friction block 2-23 slides to the end in the friction block sliding groove 2-25, the square spring 2-24 is compressed to the limit, the friction block 2-23 drives the sliding cover 2-29 to slide in the sliding groove II 1-12, the spring II 2-27 is further compressed, the sliding cover 2-29 drives the annular conical tooth 2-30 to be not meshed with the four bevel gears 1-4, the four-corner wrench 1-1 is inserted into the adjusting cylinder 1-2 to rotate, the adjusting cylinder 1-2 drives the bevel gear 1-4 to rotate, the bevel gear 1-4 does not drive the rest bevel gear 1-4 to rotate, the transmission process from the bevel gear 1-4 to the claw 1-7 is repeated, thus realizing the purpose of respectively adjusting the position of each claw 1-7, realizing the purpose of non-self-centering clamping, completing the clamping of cylindrical materials such as ellipse, rectangle and the like, the pull button 2-11 is pulled, the pull button 2-11 drives the sliding plate 2-12 to slide in the sliding plate sliding rail 2-14, when the tail end of the sliding plate 2-12 slides into the sliding plate sliding rail 2-14, the sliding plate 2-12 does not limit the ratchet shaft 2-7 through the ratchet positioning slot I2-8 any more, the ratchet shaft 2-7 can rotate, the ratchet 2-6 can rotate, under the thrust of the spring II 2-27, the sliding cover 2-29 slides and resets in the sliding groove II 1-12, under the thrust of the square spring 2-24, the friction block 2-23 slides and resets in the friction block sliding groove 2-25 and is in close contact with the friction groove 1-13 again, the handle 2-1, the shifting fork 2-16, the shifting post 2-17, the shifting wheel 2-18, the shifting wheel shaft 2-19, the bracket 2-20, the connecting rod 2-21 and the support lug 2-22 are reset, the handle 2-1 drives the ratchet 2-6 to reset through the shifting claw 2-3, the pull knob 2-11 is loosened, the sliding plate 2-12 resets and is clamped in the ratchet positioning groove I2-8 again under the action of the spring I2-13, the ratchet 2-6 cannot rotate, at the moment, the machine tool control clamp shell 1-3 is started to rotate to drive the clamping part to rotate, finishing cutting, aligning the inclined block shell sliding frame 3-12 to the sliding chute I1-10, pushing the inclined block shell sliding frame 3-12 to slide in the sliding chute I1-10, enabling the inclined planes of the two inclined blocks 3-9 to be in contact with the positioning holes 1-11, retracting the two inclined blocks 3-9 into the inclined block shell 3-10, enabling the planes of the two inclined blocks 3-9 to be in contact with the positioning holes 1-11, enabling the two inclined blocks 3-9 not to retreat but only to advance, adjusting the two inclined blocks 3-9 to the proper positioning holes 1-11, clamping the two inclined blocks 3-9 into the positioning holes 1-11 under the action of the spring III 3-11, similarly adjusting the positions of the other inclined blocks 3-9, if the positions need to be adjusted, tightly holding the two transposition rods 3-8 by hands, enabling the two transposition rods 3-8 to be close to each other in the inclined block shell 3-10, two transposition rods 3-8 drive two inclined blocks 3-9 to be retracted into the inclined block shells 3-10, the planes of the two inclined blocks 3-9 can retreat without contacting with the positioning holes 1-11, the two transposition rods 3-8 are loosened by sliding to a proper position, the two inclined blocks 3-9 are clamped into the positioning holes 1-11, the threaded shafts I3-2 and II 3-7 are aligned with the two threaded through holes 1-14, the lifting knob 3-3 is rotated, the lifting knob 3-3 drives the threaded shafts I3-2 to rotate, the threaded shafts I3-2 drive the belt pulleys I3-4 to rotate, the belt pulleys I3-4 drive the belt pulleys II 3-6 to rotate through the belts 3-5, the belt pulleys II 3-6 drive the threaded shafts II 3-7 to rotate, the threaded shafts I3-2 and II 3-7 are screwed into the two threaded through holes 1-14, the screwing depth is adjusted by rotating the lifting knob 3-3, the lifting disc 3-1 is driven to lift by the threaded shaft I3-2 and the threaded shaft II 3-7, the disc-shaped part is placed on the lifting disc 3-1 to adjust the position, the four upper threaded cylinders 3-14 are sleeved on the lower threaded columns 3-13 to rotate the limiting discs 3-15, the disc-shaped part is clamped by the limiting discs 3-15 from the upper side under the action of the threads, and the disc-shaped part is not loosened due to self-locking kinetic energy of the threads, so that the clamping of the disc-shaped part is completed.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (2)
1. The utility model provides a lathe is with multi-functional four-jaw chuck, presss from both sides tight assembly (3) including pressing from both sides tight assembly (1), adjusting assembly (2) and dish type part, its characterized in that: the clamping assembly (1) comprises a four-corner wrench (1-1), adjusting cylinders (1-2), a clamp shell (1-3), bevel gears (1-4), spiral toothed shafts (1-5), spiral teeth (1-6), clamping jaws (1-7), clamping jaw sliding frames (1-8), clamping jaw sliding rails (1-9), sliding chutes (1-10), positioning holes (1-11), sliding chutes (1-12), friction grooves (1-13) and threaded through holes (1-14), wherein the four-corner wrench (1-1) and the four adjusting cylinders (1-2) are in clearance fit, the four adjusting cylinders (1-2) are rotationally connected with the clamp shell (1-3), the four adjusting cylinders (1-2) are respectively connected with the four bevel gears (1-4), four bevel gears (1-4) are respectively connected with four spiral tooth shafts (1-5), the four spiral tooth shafts (1-5) are respectively connected with four spiral teeth (1-6), the four spiral teeth (1-6) are respectively engaged with four claws (1-7), every two opposite spiral teeth (1-6) have opposite rotating directions, the four claws (1-7) are respectively connected with eight claw sliding frames (1-8), the four claws (1-7) and the eight claw sliding frames (1-8) are respectively connected with four claw sliding rails (1-9) in a sliding manner, the four claw sliding rails (1-9), sliding chutes (1-12), friction grooves (1-13) and two threaded through holes (1-14) are all positioned in a clamp shell (1-3), the four sliding chutes I (1-10) are respectively positioned in the four clamping jaws (1-7), and the positioning holes (1-11) are respectively and uniformly distributed in the four sliding chutes I (1-10);
the adjusting assembly (2) comprises a handle (2-1), a pusher dog shaft (2-2), a pusher dog (2-3), an elastic sheet (2-4), an elastic sheet support (2-5), a ratchet (2-6), a ratchet shaft (2-7), a ratchet positioning groove I (2-8), a handle shaft (2-9), a support (2-10), a pull button (2-11), a sliding plate (2-12), a spring I (2-13), a sliding plate sliding rail (2-14), a ratchet positioning groove II (2-15), a shifting fork (2-16), a shifting column (2-17), a shifting wheel (2-18), a shifting wheel shaft (2-19), a support (2-20), a connecting rod (2-21), a support lug (2-22), a friction block (2-23), A square spring (2-24), a friction block sliding groove (2-25), a spring II support (2-26), a spring II (2-27), a rotating handle (2-28), a sliding cover (2-29) and annular bevel teeth (2-30), a handle (2-1) is connected with a claw shaft (2-2), the claw shaft (2-2) is rotationally connected with a claw (2-3), a spring sheet support (2-5) is connected with the handle (2-1), two ends of a spring sheet (2-4) are respectively connected with the spring sheet support (2-5) and the claw (2-3), the spring sheet (2-4) is in a compressed state, the claw (2-3) is contacted with a ratchet wheel (2-6), the ratchet wheel (2-6) is connected with a ratchet wheel shaft (2-7), the ratchet shaft (2-7) is connected with the ratchet positioning groove I (2-8), the ratchet positioning groove I (2-8) and the ratchet on the ratchet (2-6) are sixteen in number, the ratchet positioning groove I (2-8) is rotationally connected with the support (2-10), the handle (2-1) is connected with the handle shaft (2-9), the handle shaft (2-9) is rotationally connected with the support (2-10), the pull button (2-11) is connected with the sliding plate (2-12), the spring I (2-13) is sleeved on the sliding plate (2-12), two ends of the spring I (2-13) are respectively connected with the pull button (2-11) and the sliding plate sliding rail (2-14), the spring I (2-13) is in a compressed state, and the sliding plate (2-12) and the sliding plate sliding rail (2-14) are connected, The ratchet wheel positioning groove I (2-8) and the ratchet wheel positioning groove II (2-15) are connected in a sliding mode, a sliding plate sliding rail (2-14) is connected with a support (2-10), a handle (2-1) is connected with a shifting fork (2-16), the shifting fork (2-16) is respectively connected with two shifting columns (2-17), the two shifting columns (2-17) are respectively contacted with shifting wheels (2-18), the shifting wheels (2-18) are connected with shifting wheel shafts (2-19), the shifting wheel shafts (2-19) are connected with rotating handles (2-28), the shifting wheel shafts (2-19) are connected with the support (2-20), the two connecting rods (2-21) are hinged with the support (2-20), the two connecting rods (2-21) are respectively hinged with two support lugs (2-22), the two support lugs (2-22) are respectively connected with two friction blocks (2-23), the two friction blocks (2-23) are respectively connected with two friction block chutes (2-25) in a sliding manner, the two ends of two square springs (2-24) are respectively connected with the two friction block chutes (2-25) and the two friction blocks (2-23), the two friction blocks (2-23) are in a compressed state, the two friction block chutes (2-25) are respectively positioned on a sliding cover (2-29), the sliding cover (2-29) is connected with a chute II (1-12) in a sliding manner, the four spring II supports (2-26) are respectively connected with a clamp shell (1-3), the two ends of the four springs II (2-27) are respectively connected with the four spring II supports (2-26) and the sliding cover (2-29), the four springs II (2-27) are all in a compressed state, the sliding covers (2-29) are connected with the annular bevel teeth (2-30), and the annular bevel teeth (2-30) are in meshed connection with the four bevel gears (1-4);
the clamping assembly (1) is connected with the adjusting assembly (2), and the disc-shaped part clamping assembly (3) is connected with the clamping assembly (1).
2. The multi-functional four-jaw chuck for machine tool according to claim 1, characterized in that: the disc-shaped part clamping assembly (3) comprises a lifting disc (3-1), a threaded shaft I (3-2), a lifting knob (3-3), a belt wheel I (3-4), a belt (3-5), a belt wheel II (3-6), a threaded shaft II (3-7), a transposition rod (3-8), an inclined block (3-9), an inclined block shell (3-10), a spring III (3-11), an inclined block shell sliding frame (3-12), a lower threaded column (3-13), an upper threaded cylinder (3-14) and a limiting disc (3-15), wherein the lifting disc (3-1) is rotatably connected with the threaded shaft I (3-2) and the threaded shaft II (3-7), the threaded shaft I (3-2) and the threaded shaft II (3-7) are respectively in threaded connection with two threaded through holes (1-14), the lifting knob (3-3) and the belt wheel I (3-4) are connected with the threaded shaft I (3-2), the belt wheel I (3-4), the belt (3-5) and the belt wheel II (3-6) are connected with the belt wheel, the belt wheel II (3-6) is connected with the threaded shaft II (3-7), eight transposition rods (3-8) are respectively connected with eight inclined blocks (3-9), the eight transposition rods (3-8) and the eight inclined blocks (3-9) are respectively connected with four inclined block shells (3-10) in a sliding manner, two ends of four springs III (3-11) are respectively connected with the eight inclined blocks (3-9), the four springs III (3-11) are respectively positioned in the four inclined block shells (3-10), and the four springs III (3-11) are in a compression state, the four swash block shells (3-10) are connected with the eight swash block shell sliding frames (3-12), the four swash block shells (3-10) and the eight swash block shell sliding frames (3-12) are connected with the sliding grooves I (1-10) in a sliding mode, the four lower threaded columns (3-13) are respectively connected with the four swash block shells (3-10), the four lower threaded columns (3-13) are respectively connected with the four upper threaded cylinders (3-14) in a threaded mode, and the four upper threaded cylinders (3-14) are respectively connected with the four limiting discs (3-15).
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| CN201910897378.9A CN110576200B (en) | 2019-09-23 | 2019-09-23 | Multifunctional four-jaw chuck for machine tool |
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| CN201910897378.9A CN110576200B (en) | 2019-09-23 | 2019-09-23 | Multifunctional four-jaw chuck for machine tool |
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| CN110576200B true CN110576200B (en) | 2020-10-02 |
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| CN110899798B (en) * | 2019-12-31 | 2021-03-23 | 江苏悍狮霸智能科技有限公司 | Adjustable assembled disc milling cutter |
| CN111451589B (en) * | 2020-04-23 | 2021-06-15 | 浙江鑫宇汽车零部件有限公司 | Machining device for bolt broken wire |
| CN112140072B (en) * | 2020-08-28 | 2023-01-31 | 安徽金冠玻璃有限责任公司 | Adjustable moving station frame based on glass cup processing turntable |
| CN114131068B (en) * | 2021-11-05 | 2022-10-11 | 西安理工大学 | Four-claw automatic centering device and method based on end tooth transmission |
| CN114042947B (en) * | 2021-11-05 | 2022-10-11 | 西安理工大学 | Four-claw automatic centering device and method based on Morse cone combination |
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| Publication number | Publication date |
|---|---|
| CN110576200A (en) | 2019-12-17 |
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Effective date of registration: 20200907 Address after: Guangming East Road, economic development zone, Jianhu County, Yancheng City, Jiangsu Province Applicant after: Yancheng Qingsong Machinery Manufacturing Co., Ltd Address before: 150001 School of mechanical and electrical engineering, Harbin Institute of Technology, 92 West straight street, Nangang District, Heilongjiang, Harbin Applicant before: Li Yanshuang |
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