CN115070454A - CNC numerical control lathe axle type work piece adds clamping apparatus - Google Patents
CNC numerical control lathe axle type work piece adds clamping apparatus Download PDFInfo
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- CN115070454A CN115070454A CN202210998123.3A CN202210998123A CN115070454A CN 115070454 A CN115070454 A CN 115070454A CN 202210998123 A CN202210998123 A CN 202210998123A CN 115070454 A CN115070454 A CN 115070454A
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- chuck
- fixedly connected
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- shaft
- rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/72—Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
- B23Q1/76—Steadies; Rests
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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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a CNC (computer numerical control) lathe shaft workpiece machining clamp which comprises a driving shaft, wherein a chuck is arranged on the right side of the driving shaft, a supporting device is arranged outside the chuck, a clamping device is arranged inside the chuck, and a connecting shaft is fixedly connected to the outer surface on the left side of the chuck. The part is easy to swing, and the processing precision is influenced.
Description
Technical Field
The invention relates to the technical field of clamps, in particular to a shaft workpiece machining clamp of a CNC (computer numerical control) lathe.
Background
A lathe is a machine tool for turning a rotating workpiece mainly by a turning tool, and is the most important type of metal cutting machine tools, and the most important number of lathes are lathe machines in general machine manufacturing factories, and also called machine tools, and a drill, a reamer, a tap, a die, a knurling tool, and the like can be used for the lathe machine tools to perform corresponding machining.
In the prior art, like a CNC patent CN113118822B discloses a CNC numerical control lathe shaft workpiece processing clamp, which includes a housing, a shaft end clamping device, an auxiliary clamping device and a translation device, the position of the inside of the housing near the right end is provided with the shaft end clamping device, the left side of the shaft end clamping device is provided with the auxiliary clamping device, and the left side of the auxiliary clamping device is provided with the translation device. The invention can solve the following problems possibly encountered in the clamping process of the traditional CNC numerical control lathe: a. most of the existing CNC (computerized numerical control) lathes adopt a three-jaw chuck to clamp and fix one end of a shaft part, and the mode needs manual operation to clamp and fix the shaft part, so that time and labor are wasted, and the clamping effect cannot be guaranteed; b. when the shaft part is a long shaft, the central axis of the shaft part deviates in the machining process due to the self gravity of the shaft part, so that a cutter is easily damaged, the machining precision is low, and the use requirement cannot be met.
However, in the prior art, when a traditional lathe is used, the shaft part needs to be clamped and fixed by the three-jaw chuck, in the process, the inner sleeve hole of the chuck needs to be manually rotated, the shaft part can be fixed by manual operation, the fixing effect is poor, manual repeated pre-tightening is needed, the efficiency is low, and when a longer shaft part is machined, the part can swing in a small amplitude when rotating at a high speed due to the influence of the self gravity of the part, and the machining precision is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the technical scheme adopted by the invention for solving the technical problems is as follows: a shaft workpiece machining clamp of a CNC (computer numerical control) lathe comprises a driving shaft, wherein a chuck is arranged on the right side of the driving shaft, a supporting device is arranged outside the chuck, a clamping device is arranged inside the chuck, a shaft part is inserted into the inside of the chuck, an adjusting device inside the clamping device fixes the outer surface of the left end of the shaft part, in the process, a hydraulic device wraps and fixes the outer surface of the shaft part, a ring pipe passes through a hydraulic system inside equipment, a connecting shaft is fixedly connected to the outer surface of the left side of the chuck, and the outer surface of the left end of the connecting shaft is fixedly connected with the inner surface of the driving shaft;
the clamping device comprises an annular pipe, a hydraulic pipe is fixedly connected to the outer surface of the annular pipe, an adjusting device is arranged outside the hydraulic pipe, hydraulic oil is injected into the outside of the hydraulic device through the hydraulic pipe, the hydraulic devices are close to each other to achieve the purpose of clamping, the shaft parts are fixed through the adjusting device and the hydraulic device through double-layer protection, and the hydraulic device is arranged on the right side of the adjusting device;
adjusting device includes the screw rod, the right-hand member fixedly connected with fixing device of screw rod, fixing device's external fixed surface is connected with the slide bar, treats that the part is fixed the back, and the drive shaft passes through the connecting axle and drives the chuck rotation, and the inside part of chuck rotates, and at this in-process, strutting arrangement plays the stable effect of support, prevents that the part from rocking when processing the axle type part of overlength, influences the machining precision, the external fixed surface of slide bar is connected with the expansion ring.
Preferably, the surface of annular tube and the internal surface fixed connection of chuck, the internal surface of chuck and the external surface fixed connection of hydraulic pressure pipe, along with the insertion of axle type part, the left end of part and the right-hand member contact extrusion of retraction rod, under the effect of pressure, retraction rod retracts the inside of sealing cylinder, the shell fragment with retract the contact of rod, the inside hydraulic oil of sealing cylinder pours into telescopic inside through the return bend, the right-hand member of hydraulic pressure pipe is linked together with the outside space of hydraulic means, hydraulic means's surface and the internal surface sliding connection of chuck.
Preferably, the internal surface of chuck and the surface sliding connection of slide bar, the hydraulic pressure pipe is the annular arrangement along the surface of annular pipe, and the inside oil pressure increase of sleeve forces the ejector pin to stretch out from telescopic inside, and the ejector pin that stretches out supports the surface of axle type part, fixes the left end of part, because splint annular arranges for four ejector pins stretch out simultaneously, fixing device is the annular arrangement along the right-hand member of screw rod, hydraulic means and fixing device staggered arrangement.
Preferably, hydraulic means and fixing device's dislocation contained angle is forty-five degrees, the surface of screw rod and the internal surface sliding connection of chuck when accomplishing axle type part centre gripping also can realize self-centering, and through adjusting screw control fixing device's position, the slide bar prevents that fixing device from rotating, the supplementary fixed part of expansion ring, the left end of screw rod and the right-hand member contactless of drive shaft.
Preferably, fixing device includes the retraction rod, the surface sliding connection of retraction rod has a sealed section of thick bamboo, the internal surface fixed connection of sealed section of thick bamboo has the shell fragment, the left side of shell fragment is provided with splint, and the annular tube passes through the inside hydraulic system of equipment, passes through the outside that hydraulic pressure pipe injected hydraulic means with hydraulic oil, and hydraulic means is close to each other, and the space at closing plate top is filled with hydraulic oil, and hydraulic oil promotes the closing plate along the internal surface lapse of chuck, and the outside extension spring extension of dead lever, fixed plate move down, through the position of adjusting lever, satisfy the centre gripping of different diameter axle class parts, the internal surface fixed connection of splint has the return bend, the bottom on return bend top is provided with the ejector pin, the surface sliding connection of ejector pin has the sleeve.
Preferably, the left surface of splint and the right-hand member fixed connection of screw rod and slide bar, the left surface of retraction rod contacts with the surface on shell fragment right side, treats that the lever removes behind the assigned position, inserts axle class part, because the existence of swash plate for the lever is low on the left and high on the right side, along with the continuous insertion of part, the left end of part supports and slides the lower surface of extrusion swash plate, the bottom of return bend is linked together with the inside of a sealed section of thick bamboo, the surface and the telescopic surface fixed connection of splint.
Preferably, hydraulic means includes the closing plate, the internal surface sliding connection of closing plate has the dead lever, the outside of dead lever is provided with extension spring, because the lower surface of swash plate adopts the inclined plane design, the lever rotates along with the inserting of part, and the lever is high right-hand member gradually, and the right-hand member of lever supports the surface of part, when preventing that the part from lasting the entering, also can reach the purpose of centre gripping, the lower fixed surface of closing plate is connected with the fixed plate, the surface of fixed plate rotates and is connected with the lever, the lower fixed surface of lever is connected with the swash plate.
Preferably, the outer surface of the sealing plate is in sliding connection with the inner surface of the chuck, the top end of the hydraulic pipe is located at the top of the left side of the sealing plate, the sleeve ring is sleeved on the outer surface of the chuck, the left end of the guide rail is fixed to a machine tool, the chuck rotates relative to the sleeve ring, the reinforcing ribs assist in stabilizing the guide rail and connecting the guide rail fixedly, the inner surface of the chuck is fixedly connected with the two ends of the fixing rod, the inner surface of the chuck is fixedly connected with the top end of the extension spring, and the bottom end of the extension spring is fixedly connected with the upper surface of the sealing plate.
Preferably, the strutting arrangement includes the lantern ring, the outer fixed surface of the lantern ring is connected with the strengthening rib, the bottom fixedly connected with guide rail of strengthening rib holds up the upper surface of the inside roller of device and the lower surface contact roll of axle type part, and the roller is fixed to the bottom plate, prevents that the roller from droing, the outer fixed surface of guide rail is connected with the adapter sleeve, the right side of adapter sleeve is provided with the device of holding up.
Preferably, the device that holds up is including adjusting the pole, the internal surface of adjusting the pole passes through-hole fixedly connected with bolt, the top fixedly connected with bottom plate of adjusting the pole, the internal surface roll connection of bottom plate has the roller, controls the position of adjusting the pole through the through-hole that adjusts the bolt and corresponds to satisfy the processing of the part of different diameters, the surface of adjusting the pole is connected with the internal surface fixed connection of guide rail, the bolt runs through the guide rail, the through-hole is seted up in the wall of adjusting the pole, the internal surface of the lantern ring rotates with the surface of chuck and is connected.
The invention has the following beneficial effects:
1. the invention is provided with the clamping device, when the equipment is used, the shaft part is inserted into the chuck, the adjusting device in the clamping device fixes the outer surface of the left end of the shaft part, in the process, the hydraulic device wraps and fixes the outer surface of the shaft part, the annular pipe injects hydraulic oil into the outside of the hydraulic device through the hydraulic system in the equipment, the hydraulic devices are close to each other to achieve the purpose of clamping, the shaft part is fixed through the adjusting device and the hydraulic device and double-layer protection, after the part is fixed, the driving shaft drives the chuck to rotate through the connecting shaft, the part in the chuck rotates, in the process, the supporting device plays a role of supporting stably, the part is prevented from shaking when the overlong shaft part is processed, the processing precision is influenced, and the problem that the traditional lathe clamp is only fixed through the three-jaw chuck is solved, poor fixing effect.
2. According to the invention, through the arrangement of the adjusting device, when the lathe fixture is used, along with the insertion of the shaft parts, the left end of each part is in contact extrusion with the right end of the corresponding retraction rod, the retraction rods retract into the sealing cylinder under the action of pressure, the elastic sheets are in contact with the retraction rods, hydraulic oil in the sealing cylinder is injected into the sleeve through the bent pipes, the oil pressure in the sleeve is increased, the ejector rods are forced to extend out of the sleeve, the extending ejector rods abut against the outer surface of the shaft parts, the left ends of the parts are fixed, the four ejector rods extend out simultaneously due to the annular arrangement of the clamping plates, automatic centering can be realized while clamping of the shaft parts is completed, the position of the fixing device is controlled through the adjusting screw, the slide rods prevent the fixing device from rotating, the telescopic rings assist in fixing the parts, and the problem that the traditional lathe fixture needs manual clamping and fixing is solved.
3. The invention is provided with the hydraulic device, when the device is used, the annular pipe injects hydraulic oil into the outside of the hydraulic device through the hydraulic pipe through the hydraulic system in the device, the hydraulic devices are close to each other, the space at the top of the sealing plate is filled with the hydraulic oil, the hydraulic oil pushes the sealing plate to slide downwards along the inner surface of the chuck, the extension spring outside the fixed rod extends, the fixed plate moves downwards, the clamping of shaft parts with different diameters is met by adjusting the position of the lever, the shaft parts are inserted after the lever moves to a specified position, the left end of the lever is low and the right end of the lever is high due to the existence of the inclined plate, the left end of the part supports and slides to extrude the lower surface of the inclined plate along with the continuous insertion of the part, the lower surface of the inclined plate adopts an inclined plane design, the lever rotates along with the insertion of the part, the left end of the lever is gradually high and the right end of the lever supports against the outer surface of the part, the purpose of clamping can be achieved while the part is prevented from continuously entering, and the problem that the automation degree of a traditional lathe fixture is low is solved.
4. According to the invention, through arranging the supporting device, when the equipment is used, the sleeve ring is sleeved on the outer surface of the chuck, the left end of the guide rail is fixed with a machine tool, the chuck rotates relative to the sleeve ring, the reinforcing rib assists in stabilizing the guide rail, the connecting sleeve fixes the guide rail, the upper surface of the roller in the supporting device is contacted and rolled with the lower surface of the shaft part, the bottom plate fixes the roller to prevent the roller from falling off, and the position of the adjusting rod is controlled by adjusting the through hole corresponding to the bolt, so that the processing of parts with different diameters is met, and the problem that the part is easy to swing and the processing precision is influenced when the traditional lathe processes longer shaft parts is solved.
Drawings
FIG. 1 is a front view of the CNC lathe shaft workpiece machining fixture;
FIG. 2 is a sectional view of the shaft-like workpiece processing clamp of the CNC lathe;
FIG. 3 is a schematic structural diagram of a chuck of the CNC lathe shaft workpiece machining clamp;
FIG. 4 is a schematic structural view of the clamping device of the CNC lathe shaft workpiece machining clamp;
FIG. 5 is an exploded view of the clamping device of the CNC lathe shaft workpiece machining clamp;
FIG. 6 is a schematic structural diagram of the adjusting device of the CNC lathe shaft workpiece machining clamp;
FIG. 7 is a schematic structural diagram of the hydraulic device of the CNC lathe shaft workpiece machining clamp;
FIG. 8 is a schematic structural diagram of the supporting device of the CNC lathe shaft workpiece machining clamp;
FIG. 9 is a schematic structural diagram of the holding device for the shaft-like workpiece processing fixture of the CNC lathe.
In the figure: 1. a drive shaft; 2. a chuck; 3. a support device; 4. a clamping device; 5. a connecting shaft; 6. an annular tube; 7. a hydraulic tube; 8. an adjustment device; 9. a hydraulic device; 10. a screw; 11. a fixing device; 12. a slide bar; 13. a telescopic ring; 20. retracting the rod; 21. a sealing cylinder; 22. a spring plate; 23. a splint; 24. bending the pipe; 25. a top rod; 26. a sleeve; 30. a sealing plate; 31. fixing the rod; 32. an extension spring; 33. a fixing plate; 34. a lever; 35. a sloping plate; 40. a collar; 41. reinforcing ribs; 42. a guide rail; 43. connecting sleeves; 44. a holding device; 50. adjusting a rod; 51. a through hole; 52. a bolt; 53. a base plate; 54. and (4) a roller.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
The first embodiment is as follows:
referring to fig. 1 to 9, the present invention provides a technical solution: a shaft workpiece machining clamp of a CNC (computer numerical control) lathe comprises a driving shaft 1, wherein a chuck 2 is arranged on the right side of the driving shaft 1, a supporting device 3 is arranged outside the chuck 2, a clamping device 4 is arranged inside the chuck 2, a connecting shaft 5 is fixedly connected to the outer surface of the left side of the chuck 2, and the outer surface of the left end of the connecting shaft 5 is fixedly connected with the inner surface of the driving shaft 1; the clamping device 4 comprises an annular pipe 6, a hydraulic pipe 7 is fixedly connected to the outer surface of the annular pipe 6, an adjusting device 8 is arranged outside the hydraulic pipe 7, and a hydraulic device 9 is arranged on the right side of the adjusting device 8; the adjusting device 8 comprises a screw rod 10, a fixing device 11 is fixedly connected to the right end of the screw rod 10, a sliding rod 12 is fixedly connected to the outer surface of the fixing device 11, and a telescopic ring 13 is fixedly connected to the outer surface of the sliding rod 12.
The outer surface of the annular pipe 6 is fixedly connected with the inner surface of the chuck 2, the inner surface of the chuck 2 is fixedly connected with the outer surface of the hydraulic pipe 7, the right end of the hydraulic pipe 7 is communicated with the space outside the hydraulic device 9, and the outer surface of the hydraulic device 9 is in sliding connection with the inner surface of the chuck 2. The inner surface of the chuck 2 is connected with the outer surface of the sliding rod 12 in a sliding way, the hydraulic pipes 7 are arranged along the outer surface of the annular pipe 6 in an annular way, the fixing devices 11 are arranged along the right end of the screw 10 in an annular way, and the hydraulic devices 9 and the fixing devices 11 are arranged in a staggered way. The dislocation included angle of the hydraulic device 9 and the fixing device 11 is forty-five degrees, the outer surface of the screw rod 10 is in sliding connection with the inner surface of the chuck 2, and the left end of the screw rod 10 is not in contact with the right end of the driving shaft 1.
The fixing device 11 comprises a retraction rod 20, a sealing cylinder 21 is connected to the outer surface of the retraction rod 20 in a sliding mode, an elastic sheet 22 is fixedly connected to the inner surface of the sealing cylinder 21, a clamping plate 23 is arranged on the left side of the elastic sheet 22, an elbow pipe 24 is fixedly connected to the inner surface of the clamping plate 23, an ejector rod 25 is arranged at the bottom of the top end of the elbow pipe 24, and a sleeve 26 is connected to the outer surface of the ejector rod 25 in a sliding mode. The outer surface of the left side of the clamping plate 23 is fixedly connected with the right ends of the screw rod 10 and the sliding rod 12, the outer surface of the left side of the retraction rod 20 is contacted with the outer surface of the right side of the elastic sheet 22, the bottom end of the bent pipe 24 is communicated with the inside of the sealing barrel 21, and the outer surface of the clamping plate 23 is fixedly connected with the outer surface of the sleeve 26.
The hydraulic device 9 comprises a sealing plate 30, a fixing rod 31 is connected to the inner surface of the sealing plate 30 in a sliding mode, an extension spring 32 is arranged outside the fixing rod 31, a fixing plate 33 is fixedly connected to the lower surface of the sealing plate 30, a lever 34 is rotatably connected to the outer surface of the fixing plate 33, and an inclined plate 35 is fixedly connected to the lower surface of the lever 34. The outer surface of the sealing plate 30 is slidably connected with the inner surface of the chuck 2, the top end of the hydraulic tube 7 is located at the top of the left side of the sealing plate 30, the inner surface of the chuck 2 is fixedly connected with two ends of the fixing rod 31, the inner surface of the chuck 2 is fixedly connected with the top end of the extension spring 32, and the bottom end of the extension spring 32 is fixedly connected with the upper surface of the sealing plate 30.
During the use, insert axle type part in the inside of chuck 2, the adjusting device 8 of the inside of clamping device 4 is with the external surface fixation of axle type part left end, in this process, hydraulic means 9 wraps up the surface of axle type part fixedly, ring pipe 6 passes through the inside hydraulic system of equipment, pass through hydraulic pipe 7 and pour into the outside of hydraulic means 9 with hydraulic oil, hydraulic means 9 is close to each other, reach the purpose of centre gripping, through adjusting device 8 and hydraulic means 9, double-deck protection, it is fixed with axle type part, after the part is fixed, drive shaft 1 drives chuck 2 through connecting axle 5 and rotates, the inside part of chuck 2 rotates, in this process, strutting arrangement 3 plays the stable effect of support, prevent when processing overlength axle type part, the part rocks, influence the machining precision.
Along with the insertion of axle type part, the left end of part and the right-hand member contact extrusion that contracts pole 20, under the effect of pressure, the inside of the sealed section of thick bamboo 21 of contracting pole 20 withdrawal, shell fragment 22 and the contact that contracts pole 20, the inside hydraulic oil of sealed section of thick bamboo 21 pours into the inside of sleeve 26 into through return bend 24, the inside oil pressure increase of sleeve 26, force ejector pin 25 to stretch out from the inside of sleeve 26, the surface that the ejector pin 25 that stretches out supported axle type part, it is fixed with the left end of part, because splint 23 annular arranges, make four ejector pins 25 stretch out simultaneously, when accomplishing the centre gripping of axle type part, also can realize automatic centering, position through adjusting screw 10 control fixing device 11, slide bar 12 prevents fixing device 11 from rotating, the supplementary fixed part of expansion ring 13.
The annular pipe 6 passes through a hydraulic system in the equipment, hydraulic oil is injected into the outside of the hydraulic device 9 through the hydraulic pipe 7, the hydraulic device 9 is close to each other, the space at the top of the sealing plate 30 is filled with the hydraulic oil, the hydraulic oil pushes the sealing plate 30 to slide downwards along the inner surface of the chuck 2, the extension spring 32 outside the fixing rod 31 extends, the fixing plate 33 moves downwards, the position of the lever 34 is adjusted to meet the clamping of shaft parts with different diameters, after the lever 34 moves to a specified position, the shaft parts are inserted, the lever 34 is low on the left and high on the right due to the existence of the inclined plate 35, the left end of the part supports and slides to extrude the lower surface of the inclined plate 35 along with the continuous insertion of the part, the lower surface of the inclined plate 35 adopts an inclined surface design, the lever 34 rotates along with the insertion of the part, the lever 34 gradually moves high on the left and low on the right, and the right end of the lever 34 supports the outer surface of the part, the purpose of clamping can be achieved while the part is prevented from continuously entering.
Example two:
referring to fig. 1 to 9, the present invention provides a technical solution: on the basis of the first embodiment, the supporting device 3 includes a collar 40, a reinforcing rib 41 is fixedly connected to an outer surface of the collar 40, a guide rail 42 is fixedly connected to a bottom end of the reinforcing rib 41, a connecting sleeve 43 is fixedly connected to an outer surface of the guide rail 42, and a supporting device 44 is arranged on a right side of the connecting sleeve 43. The supporting device 44 comprises an adjusting rod 50, a bolt 52 is fixedly connected to the inner surface of the adjusting rod 50 through a through hole 51, a bottom plate 53 is fixedly connected to the top end of the adjusting rod 50, a roller 54 is connected to the inner surface of the bottom plate 53 in a rolling manner, the outer surface of the adjusting rod 50 is fixedly connected to the inner surface of the guide rail 42, the bolt 52 penetrates through the guide rail 42, the through hole 51 is formed in the wall of the adjusting rod 50, and the inner surface of the collar 40 is rotatably connected to the outer surface of the chuck 2.
When the clamping device is used, the sleeve ring 40 is sleeved on the outer surface of the clamping head 2, the left end of the guide rail 42 is fixed with a machine tool, the clamping head 2 rotates relative to the sleeve ring 40, the reinforcing ribs 41 assist in stabilizing the guide rail 42, the connecting sleeve 43 fixes the guide rail 42, the upper surface of the roller 54 in the supporting device 44 is in contact rolling with the lower surface of a shaft part, the roller 54 is fixed by the bottom plate 53, the roller 54 is prevented from falling off, the position of the adjusting rod 50 is controlled by adjusting the through hole 51 corresponding to the bolt 52, and therefore machining of parts with different diameters is met.
Example three:
referring to fig. 1 to 9, the present invention provides a technical solution: on the basis of the second embodiment, the right side of the driving shaft 1 is provided with the chuck 2, the outside of the chuck 2 is provided with the supporting device 3, the inside of the chuck 2 is provided with the clamping device 4, the outer surface of the annular tube 6 is fixedly connected with the inner surface of the chuck 2, the inner surface of the chuck 2 is fixedly connected with the outer surface of the hydraulic tube 7, the right end of the hydraulic tube 7 is communicated with the space outside the hydraulic device 9, the bottom of the top end of the elbow 24 is provided with the ejector rod 25, the outer surface of the ejector rod 25 is slidably connected with the sleeve 26, the outer surface of the left side of the clamping plate 23 is fixedly connected with the right ends of the screw rod 10 and the slide rod 12, the outer surface of the guide rail 42 is fixedly connected with the connecting sleeve 43, and the right side of the connecting sleeve 43 is provided with the supporting device 44. The lifting device 44 comprises an adjusting rod 50, and a bolt 52 is fixedly connected to the inner surface of the adjusting rod 50 through a through hole 51.
When the device is used, the shaft parts are fixed through the adjusting device 8 and the hydraulic device 9, double-layer protection is realized, after the parts are fixed, the driving shaft 1 drives the chuck 2 to rotate through the connecting shaft 5, the hydraulic device 9 wraps and fixes the outer surface of the shaft parts, the annular pipe 6 passes through a hydraulic system in the device, hydraulic oil is injected into the outside of the hydraulic device 9 through the hydraulic pipe 7, the parts in the chuck 2 rotate, the four ejector rods 25 extend out simultaneously due to the annular arrangement of the clamping plates 23, automatic centering can be realized while the clamping of the shaft parts is finished, the position of the fixing device 11 is controlled through the adjusting screw rod 10, the slide rod 12 prevents the fixing device 11 from rotating, the telescopic ring 13 assists in fixing the parts, the left ends of the parts abut against and slide to extrude the lower surface of the inclined plate 35 along with the continuous insertion of the parts, the clamping of the shaft parts with different diameters is met through the position of the adjusting lever 34, after the lever 34 moves to a designated position, the shaft part is inserted, the right end of the lever 34 abuts against the outer surface of the part, the purpose of clamping can be achieved while the part is prevented from continuously entering, and the position of the adjusting rod 50 is controlled by the through hole 51 corresponding to the adjusting bolt 52, so that the processing of parts with different diameters is met.
The working principle is as follows:
when the equipment is used, a shaft part is inserted into the chuck 2, the adjusting device 8 in the clamping device 4 fixes the outer surface of the left end of the shaft part, in the process, the hydraulic device 9 wraps and fixes the outer surface of the shaft part, the annular tube 6 passes through a hydraulic system in the equipment, hydraulic oil is injected into the outer part of the hydraulic device 9 through the hydraulic tube 7, the hydraulic devices 9 are close to each other to achieve the purpose of clamping, the shaft part is fixed through the adjusting device 8 and the hydraulic device 9 by double-layer protection, after the part is fixed, the driving shaft 1 drives the chuck 2 to rotate through the connecting shaft 5, the part in the chuck 2 rotates, in the process, the supporting device 3 plays a role of stable support, the part is prevented from shaking when the overlong shaft part is processed, the processing precision is influenced, and the problem that the traditional lathe clamp is only fixed through a three-jaw chuck is solved, poor fixing effect.
Along with the insertion of axle type part, the left end of part and the right-hand member contact extrusion that contracts pole 20, under the effect of pressure, contract the inside of the sealed section of thick bamboo 21 of pole 20 withdrawal, shell fragment 22 and the contact that contracts pole 20, the inside hydraulic oil of sealed section of thick bamboo 21 pours into the inside of sleeve 26 into through return bend 24, the inside oil pressure increase of sleeve 26, force ejector pin 25 to stretch out from the inside of sleeve 26, the surface that stretches out ejector pin 25 supported axle type part, it is fixed with the left end of part, because splint 23 annular arranges, make four ejector pins 25 stretch out simultaneously, when accomplishing axle type part centre gripping, also can realize automatic centering, through adjusting screw 10 control fixing device 11's position, slide bar 12 prevents fixing device 11 from rotating, the supplementary fixed part of expansion ring 13, the fixed problem that traditional lathe anchor clamps need manual centre gripping is solved.
The annular pipe 6 passes through a hydraulic system in the equipment, hydraulic oil is injected into the outside of the hydraulic device 9 through the hydraulic pipe 7, the hydraulic device 9 is close to each other, the space at the top of the sealing plate 30 is filled with the hydraulic oil, the hydraulic oil pushes the sealing plate 30 to slide downwards along the inner surface of the chuck 2, the extension spring 32 outside the fixing rod 31 extends, the fixing plate 33 moves downwards, the position of the lever 34 is adjusted to meet the clamping of shaft parts with different diameters, after the lever 34 moves to a specified position, the shaft parts are inserted, the lever 34 is low on the left and high on the right due to the existence of the inclined plate 35, the left end of the part supports and slides to extrude the lower surface of the inclined plate 35 along with the continuous insertion of the part, the lower surface of the inclined plate 35 adopts an inclined surface design, the lever 34 rotates along with the insertion of the part, the lever 34 gradually moves high on the left and low on the right, and the right end of the lever 34 supports the outer surface of the part, the purpose of clamping can be achieved while the part is prevented from continuously entering, and the problem that the automation degree of a traditional lathe fixture is low is solved.
The lantern ring 40 is sleeved on the outer surface of the chuck 2, the left end of the guide rail 42 is fixed with a machine tool, the chuck 2 rotates relative to the lantern ring 40, the reinforcing ribs 41 assist in stabilizing the guide rail 42, the connecting sleeve 43 fixes the guide rail 42, the upper surface of a roller 54 inside the supporting device 44 is in contact rolling with the lower surface of a shaft part, the roller 54 is fixed by the bottom plate 53, the roller 54 is prevented from falling off, the position of the adjusting rod 50 is controlled through a through hole 51 corresponding to the adjusting bolt 52, therefore, the processing of parts with different diameters is met, and the problem that when a traditional lathe is used for processing long shaft parts, the parts swing easily and the processing precision is influenced is solved.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific details or limitations.
Claims (8)
1. The utility model provides a CNC numerical control lathe axle type work piece adds clamping apparatus, includes drive shaft (1), its characterized in that: a chuck (2) is arranged on the right side of the driving shaft (1), a supporting device (3) is arranged outside the chuck (2), a clamping device (4) is arranged inside the chuck (2), a connecting shaft (5) is fixedly connected to the outer surface of the left side of the chuck (2), and the outer surface of the left end of the connecting shaft (5) is fixedly connected with the inner surface of the driving shaft (1);
the clamping device (4) comprises an annular pipe (6), a hydraulic pipe (7) is fixedly connected to the outer surface of the annular pipe (6), an adjusting device (8) is arranged outside the hydraulic pipe (7), and a hydraulic device (9) is arranged on the right side of the adjusting device (8);
the adjusting device (8) comprises a screw rod (10), the right end of the screw rod (10) is fixedly connected with a fixing device (11), the outer surface of the fixing device (11) is fixedly connected with a sliding rod (12), and the outer surface of the sliding rod (12) is fixedly connected with a telescopic ring (13);
the outer surface of the annular pipe (6) is fixedly connected with the inner surface of the chuck (2), the inner surface of the chuck (2) is fixedly connected with the outer surface of the hydraulic pipe (7), the right end of the hydraulic pipe (7) is communicated with the space outside the hydraulic device (9), and the outer surface of the hydraulic device (9) is in sliding connection with the inner surface of the chuck (2);
the inner surface of the chuck (2) is in sliding connection with the outer surface of the sliding rod (12), the hydraulic pipes (7) are arranged in an annular mode along the outer surface of the annular pipe (6), the fixing devices (11) are arranged in an annular mode along the right end of the screw rod (10), and the hydraulic devices (9) and the fixing devices (11) are arranged in a staggered mode.
2. The shaft workpiece machining clamp of the CNC lathe as recited in claim 1, wherein: the dislocation contained angle of hydraulic means (9) and fixing device (11) is forty-five degrees, the surface of screw rod (10) and the internal surface sliding connection of chuck (2), the left end of screw rod (10) and the right-hand member of drive shaft (1) are contactless.
3. The shaft workpiece machining clamp of the CNC lathe as recited in claim 1, wherein: fixing device (11) are including retraction rod (20), the surface sliding connection of retraction rod (20) has a sealed section of thick bamboo (21), the internal surface fixed connection of a sealed section of thick bamboo (21) has shell fragment (22), the left side of shell fragment (22) is provided with splint (23), the internal surface fixed connection of splint (23) has return bend (24), the bottom on return bend (24) top is provided with ejector pin (25), the surface sliding connection of ejector pin (25) has sleeve (26).
4. The shaft-type workpiece processing clamp of the CNC lathe as claimed in claim 3, wherein: the left outer surface of the clamping plate (23) is fixedly connected with the right ends of the screw rod (10) and the sliding rod (12), the left outer surface of the retraction rod (20) is in contact with the outer surface of the right side of the elastic sheet (22), the bottom end of the bent pipe (24) is communicated with the inside of the sealing barrel (21), and the outer surface of the clamping plate (23) is fixedly connected with the outer surface of the sleeve (26).
5. The shaft workpiece machining clamp of the CNC lathe as recited in claim 1, wherein: the hydraulic device (9) comprises a sealing plate (30), a fixing rod (31) is connected to the inner surface of the sealing plate (30) in a sliding mode, an extension spring (32) is arranged outside the fixing rod (31), a fixing plate (33) is fixedly connected to the lower surface of the sealing plate (30), a lever (34) is rotatably connected to the outer surface of the fixing plate (33), and an inclined plate (35) is fixedly connected to the lower surface of the lever (34).
6. The shaft-type workpiece processing clamp of the CNC lathe as claimed in claim 5, wherein: the outer surface of the sealing plate (30) is in sliding connection with the inner surface of the chuck (2), the top end of the hydraulic pipe (7) is located at the top of the left side of the sealing plate (30), the inner surface of the chuck (2) is fixedly connected with the two ends of the fixing rod (31), the inner surface of the chuck (2) is fixedly connected with the top end of the extension spring (32), and the bottom end of the extension spring (32) is fixedly connected with the upper surface of the sealing plate (30).
7. The shaft workpiece machining clamp of the CNC lathe as recited in claim 1, wherein: strutting arrangement (3) are including lantern ring (40), the outer fixed surface of the lantern ring (40) is connected with strengthening rib (41), the bottom fixedly connected with guide rail (42) of strengthening rib (41), the outer fixed surface of guide rail (42) is connected with adapter sleeve (43), the right side of adapter sleeve (43) is provided with holds up device (44).
8. The CNC lathe shaft workpiece machining clamp of claim 7, is characterized in that: the support device (44) is including adjusting pole (50), the internal surface of adjusting pole (50) passes through-hole (51) fixedly connected with bolt (52), the top fixedly connected with bottom plate (53) of adjusting pole (50), the internal surface roll connection of bottom plate (53) has roller (54), the surface of adjusting pole (50) is connected with the internal surface fixed connection of guide rail (42), bolt (52) run through guide rail (42), through-hole (51) are seted up in the wall of adjusting pole (50), the internal surface of lantern ring (40) is connected with the surface rotation of chuck (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210998123.3A CN115070454A (en) | 2022-08-19 | 2022-08-19 | CNC numerical control lathe axle type work piece adds clamping apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210998123.3A CN115070454A (en) | 2022-08-19 | 2022-08-19 | CNC numerical control lathe axle type work piece adds clamping apparatus |
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| CN115070454A true CN115070454A (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210998123.3A Pending CN115070454A (en) | 2022-08-19 | 2022-08-19 | CNC numerical control lathe axle type work piece adds clamping apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115673365A (en) * | 2022-12-30 | 2023-02-03 | 江苏创一精锻有限公司 | CNC numerical control lathe axle type work piece adds clamping apparatus |
| CN116276193A (en) * | 2023-02-02 | 2023-06-23 | 江苏拓强智能科技有限公司 | Clamping equipment for boring inner side surface of annular part |
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