CN105880637A - Lathe used for turning long rod class of parts - Google Patents
Lathe used for turning long rod class of parts Download PDFInfo
- Publication number
- CN105880637A CN105880637A CN201610317173.5A CN201610317173A CN105880637A CN 105880637 A CN105880637 A CN 105880637A CN 201610317173 A CN201610317173 A CN 201610317173A CN 105880637 A CN105880637 A CN 105880637A
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- Prior art keywords
- clamping limb
- push
- hole
- knife bar
- pull block
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/08—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning axles, bars, rods, tubes, rolls, i.e. shaft-turning lathes, roll lathes; Centreless turning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
- B23B27/1662—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with plate-like cutting inserts clamped against the walls of the recess in the shank by a clamping member acting upon the wall of a hole in the cutting insert
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/04—Tool holders for a single cutting tool
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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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/064—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Clamps And Clips (AREA)
Abstract
A lathe used for turning long rod class of parts comprises a lathe body, a cutter bar, a cutter bar clamping device, a clamping jaw type lathe center clamping device, a chuck and a motor, wherein the motor, the clamping jaw type lathe center clamping device and the cutter bar clamping device are fixed to the lathe body, and a main shaft of the motor is fixedly connected with the chuck; and the cutter bar clamping device comprises a horizontally arranged base, a cutter bar and a cutter bar sleeve, a positioning block protruding downwards out of the lower surface of the base is embedded in the bottom of the base, the base is fixedly connected with the cutter bar sleeve through a support base, the cutter bar sleeve is of a cylindrical structure, the central line of the cutter bar sleeve is horizontally arranged in the left and right direction, and a cylindrical mounting cavity is arranged in the cutter bar sleeve in the axial direction. The device is high in processing and turning precision, great in stability, low in defective rate and accurate in centering.
Description
Technical field
The invention belongs to machining equipment technical field, be specifically related to a kind of lathe for the long component of rod category of turning.
Background technology
Lathe is the capital equipment of machining, the revolution class processing modes such as the surface of main working shaft-like part and boring, lathe process has two kinds of form processings: one is that lathe tool is fixed, processing is the workpiece shaped in rotating, another kind is to be fixed by workpiece, by the high speed rotating of lathe tool, the horizontal and vertical movement of lathe tool carries out precision processing, lathe be mainly used in processing axle, dish, set and other there is the workpiece of rotary surface, be that machine-building and repair factory use a widest class machine tooling；But lathe carries out longhole inner circle to workpiece adds man-hour, owing to workpiece aperture is little, draw ratio is big, and the conventional knife on lathe cannot realize deep hole machining；Due to its hole depth, the cutter of processing all overlength, being not fee from the vibration of cutter during processing, the stability of processing reduces, and will result in the damage to workpiece, can only change workpiece, add operating cost；
The centre frame additionally used at engine lathe and miniature numerical control lathe process major axis at present, use cast iron center frame and carry out three points centering clamping workpiece, add man-hour requirement and adjust the clamping and positioning realized in major axis processing the most at any time, the shortcoming of cast iron center frame is often to process the different workpiece of a kind of diameter to be required for once adjusting, waste time and energy, reduce the efficiency of processing, and after passing through artificial adjustment, centering precision is poor, and processing effect is poor；nullThe patent documentation " the electronic open type self-centering center rest of lathe " of Application No. 2014200868679 and the patent documentation " the manual open type self-centering center rest of lathe " of Application No. 2014200868861 all describe a kind of lathe center frame，The structure of two kinds of lathe center frames is different except type of drive，Other structure is the most identical，There is following defect in it: clamp arm can not clamp workpiece，And the position of the clamping bearing on projection pulley and the clamping bearing on two clamp arms and piece-holder point is triangle，When triangle is equilateral triangle，Best to the clamping effect of workpiece，When triangle is obtuse triangle，The most less desirable to the clamping effect of workpiece，But when the size of workpiece is different，Will certainly cause three clamp shafts honour workpiece bite position constitute obtuse triangle，Therefore clamping effect it is difficult to ensure that.
Summary of the invention
The present invention is to solve weak point of the prior art, it is provided that the lathe for the long component of rod category of turning that a kind of good stability, defect rate are low, centering is accurate, machining accuracy is high.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that the lathe for the long component of rod category of turning, including lathe bed, knife bar, knife bar clamping device, jack catchs type turning center clamper, chuck and motor, motor, jack catchs type turning center clamper and knife bar clamping device are fixed on lathe bed, and the main shaft of motor is fixing with chuck to be connected；
nullKnife bar clamping device includes horizontally disposed pedestal、Knife bar and knife bar set，Base bottom is embedded with the locating piece of downwardly projecting pedestal lower surface，By supporting, seat is fixing with knife bar set to be connected pedestal，Knife bar set is cylinder-like structure，The centrage of knife bar set is horizontally disposed with in left-right direction，The installation cavity of cylinder in axial direction it is provided with in knife bar set，Left end and the right-hand member of installation cavity are the most uncovered，The centrage of installation cavity is positioned at the dead ahead of the centrage of knife bar set，The rear side of knife bar set axially offers the first breach，First breach connects with installation cavity，The upper back horizontal Tile in left-right direction of knife bar set is provided with at least two mounting groove，Bottom each mounting groove, upper screwed hole is the most vertically offered on rear side of knife bar set，Mounting groove passes through upper screwed hole and the first breach up/down perforation，Knife bar puts and at least offers a lower screwed hole，Lower screwed hole is positioned at below the first breach and is correspondingly arranged with upper screwed hole，The most corresponding upper screwed hole has fastening bolt with wearing and threaded in lower screwed hole，Other upper screwed hole female thread connects regulation bolt；In installation cavity, coaxial line is provided with resilient sleeve, the rear side of resilient sleeve in axial direction offers the second breach, second breach and the first breach are correspondingly arranged, knife bar right-hand member is plugged in resilient sleeve, knife bar left part is provided with compression screw and installing hole, the centrage of installing hole is horizontally disposed with along the longitudinal direction, blade bearing it is equipped with in installing hole, blade bearing front end is equipped with blade, the centrage compressing screw is horizontally disposed with in left-right direction, compress screw right-hand member to connect with on the left of installing hole, compress the connection of screw female thread and have housing screw, housing screw right-hand member and the press-fit of blade bearing top；
Jack catchs type turning center clamper includes mounting seat, erecting bed and claw clamping device, and erecting bed is fixed on mounting seat upper surface, and claw clamping device is arranged on erecting bed front side surface；Claw clamping device includes push-and-pull block, upper clamping limb, lower clamping limb and micro-adjusting mechanism, push-and-pull block vertical cross-section in left-right direction is isosceles trapezoid, the left surface of push-and-pull block is vertically arranged and the left surface of push-and-pull block is parallel with the right flank of push-and-pull block, the area of the left surface of push-and-pull block is less than the area of the right flank of push-and-pull block, guide rail it is fixed with in the horizontal direction on the trailing flank of push-and-pull block, erecting bed front side surface offers dovetail groove in the horizontal direction, and push-and-pull block is slidably connected at erecting bed leading flank in being plugged in dovetail groove by guide rail；The upper side of push-and-pull block is provided with slide rail, and the downside of push-and-pull block is provided with glidepath；In push-and-pull block, the center line direction along push-and-pull block offers guide through hole, and micro-adjusting mechanism right-to-left is extended through guide through hole, and the left part of micro-adjusting mechanism protrudes from push-and-pull block left surface；The right flank of push-and-pull block is fixed with two pull bars along left and right horizontal direction, two pull bars are side by side up and down to be correspondingly arranged, it is fixed with drawing handle between the right-hand member of two pull bars, it is fixed with connecting rod between two pull bars, erecting bed leading flank is provided with the fixed plate between connecting rod and drawing handle, being provided with two compression springs between connecting rod and fixed plate side by side, two compression springs are all parallel with pull bar；
Upper clamping limb is identical with the structure of lower clamping limb, and upper clamping limb is positioned at the surface of lower clamping limb and upper clamping limb and lower clamping limb and is symmetrical arranged about the center line of push-and-pull block；Upper clamping limb is provided with pin-and-hole, and erecting bed front side surface left side is fixed with upper pin, and upper pin is positioned at above push-and-pull block, and upper clamping limb is hinged on erecting bed leading flank in being located in upper pin-and-hole by upper pin；The left end of upper clamping limb is rotatably connected to the first rolling bearing, and the right-hand member of upper clamping limb is rotatably connected to upper roller, is provided with the first stretching spring between upper clamping limb and erecting bed, and the junction of the first stretching spring and upper clamping limb is between upper pin and upper roller；Under the effect of the first stretching spring, upper roller rolls and is connected on slide rail；
Lower clamping limb is provided with lower pin-and-hole, and erecting bed front side surface left side is fixed with lower bearing pin, and lower bearing pin is positioned at below push-and-pull block, and lower clamping limb is hinged on erecting bed leading flank in being located in lower pin-and-hole by lower bearing pin；The left end of lower clamping limb is rotatably connected to the second rolling bearing, the right-hand member of lower clamping limb is rotatably connected to bottom roller, the second stretching spring it is provided with between right part and the erecting bed of lower clamping limb, the junction of the second stretching spring and lower clamping limb is between lower bearing pin and bottom roller, under the effect of the second stretching spring, bottom roller rolls and is connected on glidepath.
Resilient sleeve outer surface axially offers slot, is inserted with clamping pin in slot.
Supporting one piece of connecting plate and two pieces of gripper shoes that seat includes being fixed on pedestal, two pieces of gripper shoes are fixed on connecting plate two ends, and the upper side edge of connecting plate and two pieces of gripper shoes is along being each attached to knife bar set following side.
Micro-adjusting mechanism includes stay tube and a screw rod, in stay tube is located in guide through hole and the inwall of a stay tube outer wall and guide through hole is slidably matched, guide through hole inwall offers gathering sill in left-right direction, prop up stay tube outer wall and be provided with the guide pad being positioned at gathering sill, prop up stay tube left part stretch out guide through hole and protrude and erecting bed left surface, the left end propping up stay tube is rotatably connected to the second rolling bearing, screw rod right-to-left extend in a stay tube along guide through hole, screw rod is threadeded with a stay tube, the right-hand member of screw rod is positioned at outside guide through hole, the right-hand member of screw rod is provided with regulation hands handle, screw rod right part is rotatably connected in guide through hole by thrust bearing, it is provided with on the right side of push-and-pull block and is directed to through hole right-hand member and blocks and position the bearing gland of thrust bearing.
Use technique scheme, the method have the advantages that
(1) knife bar clamping device first knife bar set is fixed on pedestal by supporting seat, and fixed form can be welding, it is ensured that the stability of knife bar set when to work pieces process；Knife bar set is cylinder-like structure, the installation cavity of cylinder in axial direction it is provided with in knife bar set, left end and the right-hand member of installation cavity are the most uncovered, the centrage of installation cavity is positioned at the dead ahead of the centrage of knife bar set, the rear side of knife bar set axially offers the first breach, first breach connects with installation cavity, adjustment hole and fastener hole is the most vertically offered on rear side of knife bar set, adjustment hole and fastener hole are through hole and are arranged side by side, adjustment hole passes the first breach, adjustment hole upper end is positioned at knife bar set upper side wall, adjustment hole lower end is positioned at knife bar set lower wall, fastener hole upper end is positioned at knife bar set upper side wall, fastener hole lower end is positioned at the first indentations bottom；The most threaded in adjustment hole have fastening bolt, and fastening bolt passes the first breach, and the most threaded in fastener hole have regulation bolt；By regulation regulation bolt and fastening bolt, can more easily clamp knife bar and resilient sleeve；Resilient sleeve slow down the vibrations of knife bar when deep hole processing operation；Plugging clamping pin in slot, clamping pin is used for making resilient sleeve be fitted in more closely in installation cavity, prevents resilient sleeve from producing vibrations owing to having gap with knife bar set；
(2) knife bar left part is provided with housing screw and installing hole, the opening of installing hole forward and is equipped with blade bearing in installing hole, blade it is equipped with in blade bearing, housing screw is threaded in knife bar left end and housing screw and the press-fit of blade bearing top from left to right, when breaks down, only need to unscrew housing screw to then take out and more allowing blade replacement, more allowing blade replacement is convenient；
null(3) workpiece of different-diameter can accurately be felt relieved clamping by jack catchs type turning center clamper，Concrete clipping operation is: pull the most to the right drawing handle，Then drawing handle pulls push-and-pull block by two pull bars，Push-and-pull block dovetail groove along erecting bed is made to move right，Under the effect of the first stretching spring and the second stretching spring，The upper roller of upper clamping limb right-hand member is along upper slide rail scrolls beneath to the left，The bottom roller of lower clamping limb right-hand member rolls over to the left along glidepath，Owing to upper clamping limb and lower clamping limb are hinged on erecting bed by upper pin and lower bearing pin respectively，From lever principle，Upper clamping limb right-hand member moves downward，Upper clamping limb left end then moves upward，Same lower clamping limb right-hand member moves upward，Lower clamping limb left end then moves downward，Then go up the distance between clamping limb and lower clamping limb and become big，Grasping part is opened (described grasping part is the space between upper clamping limb and lower clamping limb)，Then workpiece is placed between upper clamping limb and lower clamping limb，Promote drawing handle the most to the left，Push-and-pull block along dovetail groove to left movement，With the most contrary，The upper roller of upper clamping limb right-hand member rolls over to the right along upper slide rail，The bottom roller of lower clamping limb right-hand member rolls to the right along glidepath，Then the distance gone up between clamping limb left end and lower clamping limb diminishes，Until after the second rolling bearing top of the first rolling bearing of upper clamping limb and lower clamping limb is pressed in surface of the work，Stop promoting drawing handle；nullPosition followed by trace regulation the 3rd rolling bearing，Make the 3rd rolling bearing push up equally and be pressed in surface of the work，Concrete regulation process is: make screw rod turn in a stay tube inward turning by rotating regulation handle，Owing to a stay tube is slidably matched with the inwall with guide through hole，Prop up between stay tube with screw rod as threadeding，So a stay tube is under the rotation forces of screw rod，It is moved to the left，Stop the rotation regulation handle when the 3rd rolling bearing top of a stay tube left end is pressed in workpiece，Now the first rolling bearing、Second rolling bearing and the 3rd rolling bearing are clamped in outer surface of workpiece simultaneously，Specific position due to three rolling bearings，So the centrage one of workpiece is positioned on horizontal plane，Workpiece will not tilt，And regulate trace micro-adjusting mechanism and can ensure that three rolling bearings are equilateral triangle with the triangle of the outer surface bite driving of workpiece，Centering is accurately，Good clamping effect compared with the open type self-centering center rest mentioned in background technology；
(4) two compression springs it are provided with between connecting rod and fixed plate side by side, compression spring makes push-and-pull block by continuing power to the left, make to be in clamp position all the time between clamping limb and lower clamping limb, i.e. it is positioned at grasping part when workpiece, owing to, under the active force of compression spring, two the second rolling bearings can be pressed on outer surface of workpiece；Being provided with the first stretching spring and the second stretching spring between right part and the erecting bed of upper clamping limb, between the right part of lower clamping limb and erecting bed, the meaning of the first stretching spring and the second stretching spring is to enable roller to compress rolling on upper slide rail and glidepath；Screw rod right part is rotatably connected in guide through hole by thrust bearing, is provided with and is directed to through hole right-hand member and blocks and position the bearing gland of thrust bearing on the right side of push-and-pull block.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of knife bar clamping device；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the right view of Fig. 2；
The structural representation of Fig. 5 jack catchs type turning center clamper.
Detailed description of the invention
As shown in Figure 1, the lathe for the long component of rod category of turning of the present invention, including lathe bed 100, knife bar 52, knife bar clamping device 104, jack catchs type turning center clamper 101, chuck 102 and motor 103, motor 103, jack catchs type turning center clamper 101 and knife bar clamping device 104 are fixed on lathe bed 100, and the main shaft of motor 103 is fixing with chuck 102 to be connected；
nullAs in Figure 2-4，Knife bar clamping device 104 includes horizontally disposed pedestal 41 and knife bar set 42，The locating piece 43 of downwardly projecting pedestal 41 lower surface it is embedded with bottom pedestal 41，By supporting, seat is fixing with knife bar set 42 to be connected pedestal 41，Knife bar set 42 is cylinder-like structure，The centrage of knife bar set 42 is horizontally disposed with in left-right direction，The installation cavity 44 of cylinder in axial direction it is provided with in knife bar set 42，Left end and the right-hand member of installation cavity 44 are the most uncovered，The centrage of installation cavity 44 is positioned at the dead ahead of the centrage of knife bar set 42，The rear side of knife bar set 42 axially offers the first breach 45，First breach 45 connects with installation cavity 44，The upper back horizontal Tile in left-right direction of knife bar set 42 is provided with at least two mounting groove 61，Bottom each mounting groove 61, upper screwed hole 46 is the most vertically offered on rear side of knife bar set 42，Mounting groove 61 is by upper screwed hole 46 and the first breach 45 up/down perforation，A lower screwed hole 47 is at least offered on knife bar set 42，Lower screwed hole 47 is positioned at below the first breach 45 and is correspondingly arranged with upper screwed hole 46，The most corresponding upper screwed hole 46 has fastening bolt 48 with wearing and threaded in lower screwed hole 47，Other upper screwed hole 46 female thread connects regulation bolt 49；In installation cavity 44, coaxial line is provided with resilient sleeve 50, the rear side of resilient sleeve 50 axially offers the second breach 51, second breach 51 and the first breach 45 are correspondingly arranged, knife bar 52 is positioned at resilient sleeve 50, knife bar 52 left part is provided with compression screw and installing hole 54, the centrage of installing hole 54 is horizontally disposed with along the longitudinal direction, blade bearing 55 it is equipped with in installing hole 54, blade bearing 55 front end is equipped with blade 56, the centrage compressing screw is horizontally disposed with in left-right direction, compress screw right-hand member to connect on the left of installing hole 54, compress the connection of screw female thread and have housing screw 53, housing screw 53 right-hand member and blade bearing 55 push up press-fit.
Resilient sleeve 50 outer surface axially offers slot 57, is inserted with clamping pin 58 in slot 57.
Supporting one piece of connecting plate 59 and two pieces of gripper shoes 60 that seat includes being fixed on pedestal 41, two pieces of gripper shoes 60 are fixed on connecting plate 59 two ends, and the upper side edge edge of connecting plate 59 and two pieces of gripper shoes 60 is each attached to knife bar and overlaps 42 following sides.
As it is shown in figure 5, jack catchs type turning center clamper 101, including mounting seat 1, erecting bed 2 and claw clamping device, erecting bed 2 is fixed on mounting seat 1 upper surface, and claw clamping device is arranged on erecting bed 2 front side surface；Claw clamping device includes push-and-pull block 3, upper clamping limb 4, lower clamping limb 5 and micro-adjusting mechanism, push-and-pull block 3 vertical cross-section in left-right direction is isosceles trapezoid, the left surface of push-and-pull block 3 is vertically arranged and the left surface of push-and-pull block 3 is parallel with the right flank of push-and-pull block 3, the area of the left surface of push-and-pull block 3 is less than the area of the right flank of push-and-pull block 3, guide rail it is fixed with in the horizontal direction on the trailing flank of push-and-pull block 3, erecting bed 2 front side surface offers dovetail groove in the horizontal direction, push-and-pull block 3 is slidably connected at erecting bed 2 leading flank in being plugged in dovetail groove by guide rail, (owing to guide rail and dovetail groove are on rear side of push-and-pull block 3, and guide rail and dovetail groove be slidably connected as prior art, figure is not illustrated)；The upper side of push-and-pull block 3 is provided with slide rail 6, and the downside of push-and-pull block 3 is provided with glidepath 7；In push-and-pull block 3, the center line direction along push-and-pull block 3 offers guide through hole 8, and micro-adjusting mechanism right-to-left is extended through guide through hole 8, and the left part of micro-adjusting mechanism protrudes from push-and-pull block 3 left surface；The right flank of push-and-pull block 3 is fixed with two pull bars 9 along left and right horizontal direction, two pull bars 9 are side by side up and down to be correspondingly arranged, drawing handle 10 it is fixed with between the right-hand member of two pull bars 9, it is fixed with connecting rod 11 between two pull bars 9, erecting bed 2 leading flank is provided with the fixed plate 12 between connecting rod 11 and drawing handle 10, being provided with two compression springs 13 between connecting rod 11 and fixed plate 12 side by side, two compression springs 13 are all parallel with pull bar 9；
Upper clamping limb 4 is identical with the structure of lower clamping limb 5, and upper clamping limb 4 is positioned at the surface of lower clamping limb 5 and upper clamping limb 4 and lower clamping limb 5 and is symmetrical arranged about the center line of push-and-pull block 3；Upper clamping limb 4 is provided with pin-and-hole, and erecting bed 2 front side surface left side is fixed with upper pin 14, and upper pin 14 is positioned at above push-and-pull block 3, and upper clamping limb 4 is hinged on erecting bed 2 leading flank in being located in pin-and-hole by upper pin 14；The left end of upper clamping limb 4 is rotatably connected to the first rolling bearing 15, the right-hand member of upper clamping limb 4 is rotatably connected to upper roller 16, being provided with the first stretching spring 17 between right part and the erecting bed 2 of upper clamping limb 4, the junction of the first stretching spring 17 and upper clamping limb 4 is between upper pin 14 and upper roller 16；Under the effect of the first stretching spring 17, upper roller 16 rolls and is connected on slide rail 6；
Lower clamping limb 5 is provided with lower pin-and-hole, and erecting bed 2 front side surface left side is fixed with lower bearing pin 23, and lower bearing pin 23 is positioned at below push-and-pull block 3, and lower clamping limb 5 is hinged with erecting bed 2 in being located in lower pin-and-hole by lower bearing pin 23；The left end of lower clamping limb 5 is rotatably connected to the second rolling bearing 24, the right-hand member of lower clamping limb 5 is rotatably connected to bottom roller 25, being provided with the second stretching spring 26 between right part and the erecting bed 2 of lower clamping limb 5, the junction of the second stretching spring 26 and lower clamping limb 5 is between lower bearing pin 23 and bottom roller 25；Under the effect of the second stretching spring 26, bottom roller 25 rolls and is connected on glidepath 7.
nullMicro-adjusting mechanism includes stay tube 18 and a screw rod 19，In stay tube 18 is located in guide through hole 8 and the inwall of a stay tube 18 and guide through hole 8 is slidably matched，Guide through hole 8 inwall offers gathering sill 27 in left-right direction，Prop up stay tube 18 outer wall and be provided with the guide pad 28 being positioned at gathering sill 27，Prop up stay tube 18 left part stretch out guide through hole 8 and protrude and erecting bed 2 left surface，The left end propping up stay tube 18 is rotatably connected to the 3rd rolling bearing 20，Screw rod 19 right-to-left extend in a stay tube 18 along guide through hole 8，Screw rod 19 is threadeded with a stay tube 18，The right-hand member of screw rod 19 is positioned at outside guide through hole 8，The right-hand member of screw rod 19 is provided with regulation handle 21，Screw rod 19 right part is rotatably connected in guide through hole 8 by thrust bearing 29，It is provided with on the right side of push-and-pull block 3 and is directed to through hole 8 right-hand member and blocks and position the bearing gland 30 of thrust bearing 29.
This device work process when concrete turning operation is:
(1) first knife bar 52 is fixed in the installation cavity 44 of knife bar set 42: knife bar 52 is assemblied in resilient sleeve 50, then fastening bolt 48 is unscrewed in operation, tighten regulation bolt 49 simultaneously, the top, top of regulation bolt 49 is pressed in the knife bar below the first breach 45 and overlaps on 42 walls, by operation fastening bolt 48 and regulation bolt 49, the volume of installation cavity 44 increases, preferably resilient sleeve 50 and knife bar 52 can be assemblied in installation cavity 44, unclamp regulation bolt 49 afterwards and tighten fastening bolt 48, the bore of installation cavity 44 reduces, resilient sleeve 50 is fixed in installation cavity 44, then clamping pin 58 is plugged in slot 57；
(2) then one end of workpiece 22 is located in jack catchs type turning center clamper 101, the other end of workpiece 22 is connected on chuck 102, then pedestal 41 by locating piece 43 and fixing is bolted on lathe bed 100, one end being equipped with blade 56 of knife bar 52 extend in workpiece 22 simultaneously, motor 103 main shaft is in transmission connection with workpiece 22 by workpiece 22 chuck 102, start motor 103, then motor 103 drives workpiece 22 to rotate, and the blade 56 on knife bar 52 carries out deep hole machining to workpiece 22.
The operational approach being wherein stably clamped on jack catchs type turning center clamper 101 by workpiece 22 is: mounting seat 1 be fixed on lathe bed 100 by fastening bolt, it is assumed that be front with just direction to view person in Fig. 5, then workpiece 22 is from back to front through this device；nullThe concrete operations being clamped on this device by workpiece 22 are: pull the most to the right drawing handle 10，Then drawing handle 10 pulls push-and-pull block 3 by two pull bars 9，The push-and-pull block 3 dovetail groove along erecting bed 2 is made to move right，Under the effect of the first stretching spring 17 and the second stretching spring 26，The upper roller 16 of upper clamping limb 4 right-hand member is along upper slide rail 6 scrolls beneath to the left，The bottom roller 25 of lower clamping limb 5 right-hand member rolls over to the left along glidepath 7，Owing to upper clamping limb 4 and lower clamping limb 5 are hinged on erecting bed 2 by the first bearing pin 14 and the second bearing pin 23 respectively，From lever principle，Upper clamping limb 4 right-hand member moves downward，Upper clamping limb 4 left end then moves upward，Same lower clamping limb 5 right-hand member moves upward，Lower clamping limb 5 left end then moves downward，Then go up the distance between clamping limb 4 and lower clamping limb 5 and become big，Grasping part is opened (described grasping part is the space between upper clamping limb 4 and lower clamping limb 5)，Then workpiece 22 is placed between upper clamping limb 4 and lower clamping limb 5，Promote drawing handle 10 the most to the left，Push-and-pull block 3 along dovetail groove to left movement，With the most contrary，The upper roller 16 of upper clamping limb 4 right-hand member rolls over to the right along upper slide rail 6，The bottom roller 25 of lower clamping limb 5 right-hand member rolls to the right along glidepath 7，Then the distance gone up between clamping limb 4 left end and lower clamping limb 5 diminishes，Until after the first rolling bearing 15 and the second rolling bearing 24 top are pressed in workpiece 22 surface，Stop promoting drawing handle 10；nullPosition followed by trace regulation the 3rd rolling bearing 20，Make the 3rd rolling bearing 20 push up equally and be pressed in workpiece 22 surface，Concrete regulation process is: make screw rod 19 rotate in a stay tube 18 by rotating regulation handle 21，Owing to a stay tube 18 is slidably matched with the inwall with guide through hole 8，Prop up between stay tube 18 with screw rod 19 as threadeding，So the guide pad 28 on a stay tube 18 is moved to the left along gathering sill 27 under the rotation forces of screw rod 19，Stop the rotation regulation handle 21 when the 3rd rolling bearing 20 top of stay tube 18 left end is pressed in workpiece 22，Now the first rolling bearing 15、Second rolling bearing 24 and the 3rd rolling bearing 20 are clamped in workpiece 22 outer surface simultaneously，Specific position due to three rolling bearings，So the centrage one of workpiece 22 is positioned on horizontal plane，Workpiece 22 will not tilt，Next workpiece 22 can be carried out operation.
The shape of the present invention, material, structure etc. are not made any pro forma restriction by the present embodiment; every any simple modification, equivalent variations and modification made above example according to the technical spirit of the present invention, belongs to the protection domain of technical solution of the present invention.
Claims (4)
1. for the lathe of the long component of rod category of turning, it is characterized in that: include lathe bed, knife bar, knife bar clamping device, jack catchs type turning center clamper, chuck and motor, motor, jack catchs type turning center clamper and knife bar clamping device are fixed on lathe bed, and the main shaft of motor is fixing with chuck to be connected；
nullKnife bar clamping device includes horizontally disposed pedestal、Knife bar and knife bar set，Base bottom is embedded with the locating piece of downwardly projecting pedestal lower surface，By supporting, seat is fixing with knife bar set to be connected pedestal，Knife bar set is cylinder-like structure，The centrage of knife bar set is horizontally disposed with in left-right direction，The installation cavity of cylinder in axial direction it is provided with in knife bar set，Left end and the right-hand member of installation cavity are the most uncovered，The centrage of installation cavity is positioned at the dead ahead of the centrage of knife bar set，The rear side of knife bar set axially offers the first breach，First breach connects with installation cavity，The upper back horizontal Tile in left-right direction of knife bar set is provided with at least two mounting groove，Bottom each mounting groove, upper screwed hole is the most vertically offered on rear side of knife bar set，Mounting groove passes through upper screwed hole and the first breach up/down perforation，Knife bar puts and at least offers a lower screwed hole，Lower screwed hole is positioned at below the first breach and is correspondingly arranged with upper screwed hole，The most corresponding upper screwed hole has fastening bolt with wearing and threaded in lower screwed hole，Other upper screwed hole female thread connects regulation bolt；In installation cavity, coaxial line is provided with resilient sleeve, the rear side of resilient sleeve in axial direction offers the second breach, second breach and the first breach are correspondingly arranged, knife bar right-hand member is plugged in resilient sleeve, knife bar left part is provided with compression screw and installing hole, the centrage of installing hole is horizontally disposed with along the longitudinal direction, blade bearing it is equipped with in installing hole, blade bearing front end is equipped with blade, the centrage compressing screw is horizontally disposed with in left-right direction, compress screw right-hand member to connect with on the left of installing hole, compress the connection of screw female thread and have housing screw, housing screw right-hand member and the press-fit of blade bearing top；
Jack catchs type turning center clamper includes mounting seat, erecting bed and claw clamping device, and erecting bed is fixed on mounting seat upper surface, and claw clamping device is arranged on erecting bed front side surface；Claw clamping device includes push-and-pull block, upper clamping limb, lower clamping limb and micro-adjusting mechanism, push-and-pull block vertical cross-section in left-right direction is isosceles trapezoid, the left surface of push-and-pull block is vertically arranged and the left surface of push-and-pull block is parallel with the right flank of push-and-pull block, the area of the left surface of push-and-pull block is less than the area of the right flank of push-and-pull block, guide rail it is fixed with in the horizontal direction on the trailing flank of push-and-pull block, erecting bed front side surface offers dovetail groove in the horizontal direction, and push-and-pull block is slidably connected at erecting bed leading flank in being plugged in dovetail groove by guide rail；The upper side of push-and-pull block is provided with slide rail, and the downside of push-and-pull block is provided with glidepath；In push-and-pull block, the center line direction along push-and-pull block offers guide through hole, and micro-adjusting mechanism right-to-left is extended through guide through hole, and the left part of micro-adjusting mechanism protrudes from push-and-pull block left surface；The right flank of push-and-pull block is fixed with two pull bars along left and right horizontal direction, two pull bars are side by side up and down to be correspondingly arranged, it is fixed with drawing handle between the right-hand member of two pull bars, it is fixed with connecting rod between two pull bars, erecting bed leading flank is provided with the fixed plate between connecting rod and drawing handle, being provided with two compression springs between connecting rod and fixed plate side by side, two compression springs are all parallel with pull bar；
Upper clamping limb is identical with the structure of lower clamping limb, and upper clamping limb is positioned at the surface of lower clamping limb and upper clamping limb and lower clamping limb and is symmetrical arranged about the center line of push-and-pull block；Upper clamping limb is provided with pin-and-hole, and erecting bed front side surface left side is fixed with upper pin, and upper pin is positioned at above push-and-pull block, and upper clamping limb is hinged on erecting bed leading flank in being located in upper pin-and-hole by upper pin；The left end of upper clamping limb is rotatably connected to the first rolling bearing, and the right-hand member of upper clamping limb is rotatably connected to upper roller, is provided with the first stretching spring between upper clamping limb and erecting bed, and the junction of the first stretching spring and upper clamping limb is between upper pin and upper roller；Under the effect of the first stretching spring, upper roller rolls and is connected on slide rail；
Lower clamping limb is provided with lower pin-and-hole, and erecting bed front side surface left side is fixed with lower bearing pin, and lower bearing pin is positioned at below push-and-pull block, and lower clamping limb is hinged on erecting bed leading flank in being located in lower pin-and-hole by lower bearing pin；The left end of lower clamping limb is rotatably connected to the second rolling bearing, the right-hand member of lower clamping limb is rotatably connected to bottom roller, the second stretching spring it is provided with between right part and the erecting bed of lower clamping limb, the junction of the second stretching spring and lower clamping limb is between lower bearing pin and bottom roller, under the effect of the second stretching spring, bottom roller rolls and is connected on glidepath.
Lathe for the long component of rod category of turning the most according to claim 1, it is characterised in that: resilient sleeve outer surface axially offers slot, is inserted with clamping pin in slot.
Lathe for the long component of rod category of turning the most according to claim 2, it is characterized in that: support one piece of connecting plate and two pieces of gripper shoes that seat includes being fixed on pedestal, two pieces of gripper shoes are fixed on connecting plate two ends, and the upper side edge of connecting plate and two pieces of gripper shoes is along being each attached to knife bar set following side.
nullLathe for the long component of rod category of turning the most according to claim 3，It is characterized in that: micro-adjusting mechanism includes stay tube and a screw rod，In stay tube is located in guide through hole and the inwall of a stay tube outer wall and guide through hole is slidably matched，Guide through hole inwall offers gathering sill in left-right direction，Prop up stay tube outer wall and be provided with the guide pad being positioned at gathering sill，Prop up stay tube left part stretch out guide through hole and protrude and erecting bed left surface，The left end propping up stay tube is rotatably connected to the second rolling bearing，Screw rod right-to-left extend in a stay tube along guide through hole，Screw rod is threadeded with a stay tube，The right-hand member of screw rod is positioned at outside guide through hole，The right-hand member of screw rod is provided with regulation handle，Screw rod right part is rotatably connected in guide through hole by thrust bearing，It is provided with on the right side of push-and-pull block and is directed to through hole right-hand member and blocks and position the bearing gland of thrust bearing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610317173.5A CN105880637B (en) | 2016-05-16 | 2016-05-16 | Lathe for the long component of rod category of turning |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610317173.5A CN105880637B (en) | 2016-05-16 | 2016-05-16 | Lathe for the long component of rod category of turning |
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| CN105880637A true CN105880637A (en) | 2016-08-24 |
| CN105880637B CN105880637B (en) | 2017-11-14 |
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| CN201610317173.5A Expired - Fee Related CN105880637B (en) | 2016-05-16 | 2016-05-16 | Lathe for the long component of rod category of turning |
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| CN106840861A (en) * | 2017-01-13 | 2017-06-13 | 绍兴文理学院 | Dynamic rock mechanics tests various sizes of sample positioning device |
| CN107443171A (en) * | 2017-08-03 | 2017-12-08 | 安徽科创生产力促进中心有限责任公司 | A kind of plate-like lathe |
| CN108247084A (en) * | 2018-03-22 | 2018-07-06 | 天津滨海龙泰科技发展有限公司 | It is a kind of to walk knife system suitable for the processing of long axis plug |
| CN108747482A (en) * | 2018-06-24 | 2018-11-06 | 苏州亨允晟机电科技有限公司 | A kind of cutting mechanism making shallow mouth in work piece inner surface |
| CN108942279A (en) * | 2018-08-06 | 2018-12-07 | 江南工业集团有限公司 | A kind of auxiliary processing device of long circular Curve |
| CN109048292A (en) * | 2018-10-29 | 2018-12-21 | 武汉联航机电有限公司 | A kind of pin shaft assembly equipment |
| CN109128756A (en) * | 2018-10-29 | 2019-01-04 | 武汉联航机电有限公司 | A kind of XY is to separated float clamp mechanism |
| CN111168433A (en) * | 2020-02-25 | 2020-05-19 | 米伦医疗科技(苏州)有限公司 | Booster circular tube clamp with circumferential freedom degree |
| CN111318841A (en) * | 2020-04-17 | 2020-06-23 | 苏州威尔汉姆堆焊技术有限公司 | Stretching-in type welding device |
| CN112372362A (en) * | 2020-10-29 | 2021-02-19 | 许昌学院 | Automatic feeding formula anchor clamps for machining |
| CN112404877A (en) * | 2020-11-12 | 2021-02-26 | 贾刊和 | Fixing device for metal welding |
| CN114700511A (en) * | 2022-03-07 | 2022-07-05 | 上海欣机机床有限公司 | Automatic machining machine tool and method for long shaft parts |
| CN115870767A (en) * | 2022-11-30 | 2023-03-31 | 山东银亿汇峰智能制造有限公司 | Lathe fixture and method for positioning and machining outer cylinder of hydraulic support through inner hole |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840861A (en) * | 2017-01-13 | 2017-06-13 | 绍兴文理学院 | Dynamic rock mechanics tests various sizes of sample positioning device |
| CN107443171A (en) * | 2017-08-03 | 2017-12-08 | 安徽科创生产力促进中心有限责任公司 | A kind of plate-like lathe |
| CN107443171B (en) * | 2017-08-03 | 2019-05-14 | 安徽科创生产力促进中心有限责任公司 | A kind of plate-like lathe |
| CN108247084A (en) * | 2018-03-22 | 2018-07-06 | 天津滨海龙泰科技发展有限公司 | It is a kind of to walk knife system suitable for the processing of long axis plug |
| CN108747482A (en) * | 2018-06-24 | 2018-11-06 | 苏州亨允晟机电科技有限公司 | A kind of cutting mechanism making shallow mouth in work piece inner surface |
| CN108747482B (en) * | 2018-06-24 | 2019-09-10 | 李小燕 | A kind of cutting mechanism and its application method making shallow mouth in annular workpieces inner surface |
| CN108942279A (en) * | 2018-08-06 | 2018-12-07 | 江南工业集团有限公司 | A kind of auxiliary processing device of long circular Curve |
| CN109128756B (en) * | 2018-10-29 | 2024-05-31 | 武汉联航机电有限公司 | XY is to separately clamping mechanism that floats |
| CN109048292A (en) * | 2018-10-29 | 2018-12-21 | 武汉联航机电有限公司 | A kind of pin shaft assembly equipment |
| CN109128756A (en) * | 2018-10-29 | 2019-01-04 | 武汉联航机电有限公司 | A kind of XY is to separated float clamp mechanism |
| CN109048292B (en) * | 2018-10-29 | 2024-06-07 | 武汉联航机电有限公司 | Pin shaft assembly equipment |
| CN111168433A (en) * | 2020-02-25 | 2020-05-19 | 米伦医疗科技(苏州)有限公司 | Booster circular tube clamp with circumferential freedom degree |
| CN111318841A (en) * | 2020-04-17 | 2020-06-23 | 苏州威尔汉姆堆焊技术有限公司 | Stretching-in type welding device |
| CN112372362B (en) * | 2020-10-29 | 2021-09-21 | 许昌学院 | Automatic feeding formula anchor clamps for machining |
| CN112372362A (en) * | 2020-10-29 | 2021-02-19 | 许昌学院 | Automatic feeding formula anchor clamps for machining |
| CN112404877B (en) * | 2020-11-12 | 2022-07-19 | 中铁二十四局集团西南建设有限公司 | Fixing device for metal welding |
| CN112404877A (en) * | 2020-11-12 | 2021-02-26 | 贾刊和 | Fixing device for metal welding |
| CN114700511A (en) * | 2022-03-07 | 2022-07-05 | 上海欣机机床有限公司 | Automatic machining machine tool and method for long shaft parts |
| CN115870767A (en) * | 2022-11-30 | 2023-03-31 | 山东银亿汇峰智能制造有限公司 | Lathe fixture and method for positioning and machining outer cylinder of hydraulic support through inner hole |
| CN115870767B (en) * | 2022-11-30 | 2024-05-14 | 山东银亿汇峰智能制造有限公司 | Lathe fixture and method for processing outer cylinder and outer circle of hydraulic support through inner hole positioning |
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