CN205600225U - Improve device of axle type part hole machining precision - Google Patents
Improve device of axle type part hole machining precision Download PDFInfo
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- CN205600225U CN205600225U CN201620055514.1U CN201620055514U CN205600225U CN 205600225 U CN205600225 U CN 205600225U CN 201620055514 U CN201620055514 U CN 201620055514U CN 205600225 U CN205600225 U CN 205600225U
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Abstract
The utility model relates to an improve device of axle type part hole machining precision belongs to the machining field. But the device comprises adjusting device, axle type part height of center adjusting device, automatic checkout device, hydraulic pressure loading device and the hydraulic control part of variable diameter's loading steel ball, but variable diameter's a loading steel ball adjusting device and an axle type part height of center adjusting device install on work platform through guide rail and slide bracket respectively, but variable diameter's loading steel ball adjusting device mainly comprises extrusion head, gear box, loading hydraulic cylinder and the ball who installs on the guide rail, the axle a type part height of center adjusting device comprise positioner and high adjusting device, waits to process the work piece and adjusted by positioner and high adjusting device location, automatic checkout device comprises PC control system, the next quick -witted programmable controller PLC and servo controller. The utility model overcomes the expense of axle type part hole finish machining mode is higher at present, the narrower scheduling problem of application scope.
Description
Technical field
This utility model is applied to solve center hole of shaft part polish problem costly, belongs to field of machining.Different-diameter centre bore and the axial workpiece of different external form can be applied to.A kind of device improving axial workpiece endoporus machining accuracy that this utility model relates to is the loading steel ball by hydraulic loading device extruding variable-diameter, and by the center height of regulation different-diameter axial workpiece, ensure the central axis of axial workpiece and the central axis centering of load bar, it is achieved the polish of different-diameter center hole of shaft part.
Background technology
Along with developing rapidly of equipment manufacture industry, the demand of the part of revolution class is increased the most day by day, therefore the axial workpiece demand with endoporus is increased the most day by day.The methods such as the method for traditional finishing of internal diameter mainly uses honing, fraising, polishing.But for the axial workpiece that some apertures are less, then can only by fraising by the way of, but working (machining) efficiency and processing cost are the highest.
At present, the processing mode of axial workpiece is mainly processed on numerically controlled lathe.The processing mode of centre bore is to carry out roughing by lathe, then by the way of fraising or honing, polish is carried out, in order to ensure the surface roughness of machining accuracy and endoporus, and need to arrange special clamping and location mode, not only processing cost is costly, and processing mode is more complicated.Also having some producers to improve inner hole precision by the way of extruding carbonization wolfram steel pearl, reduce cost and process time, but then need different steel balls for different apertures, therefore the scope of application is narrower.
This utility model is according to the actually used operating mode of hole machined in on-the-spot axial workpiece, it is proposed that a kind of device improving axial workpiece endoporus machining accuracy, it is possible to be applicable to the polish of different-diameter axial workpiece.Working (machining) efficiency is high, applied widely, and processing cost is relatively low.
Utility model content
Technical problem to be solved in the utility model is to overcome current axial workpiece finishing of internal diameter mode costly, the problems such as the scope of application is narrower.This utility model provides a kind of loading head with variable-diameter, regulates dissimilar axial workpiece center high, a kind of device improving axial workpiece endoporus machining accuracy of the functions such as automatic measurement.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that realization, and accompanying drawings is as follows:
A kind of device improving axial workpiece endoporus machining accuracy, is grouped into by the load adjusting means of steel ball, axial workpiece center height regulating device, automatic detection device, hydraulic loading device and the hydraulic control portion of variable-diameter, it is characterised in that:
nullThe loading steel ball adjusting means of described variable-diameter and axial workpiece center height regulating device are respectively by guide rail 27、Fixed support block 16 and sliding platform 13 are arranged on work platforms 26，The loading steel ball adjusting means of described variable-diameter is mainly by the extrusion head 17 being arranged on guide rail 27、Gear-box 21、Loading hydraulic cylinder 25 and ball-screw 32 form，Described extrusion head 17 is connected with gear-box 21 by connecting rod 20，Described gear-box 21 is connected by load bar 22 with loading hydraulic cylinder 25，Described gear-box 21 is slidably matched with guide rail 27 by being fixed on slide unit 30，Described loading hydraulic cylinder 25 is fixed on guide rail 27 by gripper shoe 24，Equipped with pull pressure sensor 23 on described load bar 22，Equipped with motor 28 on described gear-box 21，Described ball-screw 32 is fixed on guide rail 27 by screw block 33 and is connected with slide unit 30；Described extrusion head 17, connecting rod 20, load bar 22, loading hydraulic cylinder 25 coaxial line are installed；
Described axial workpiece center height regulating device is made up of positioner and arrangement for adjusting height, and workpiece to be processed 2 is carried out positioning and altitude mixture control by positioner and arrangement for adjusting height respectively；
Described automatic detection device is made up of upper computer control system, slave computer programmable controller PLC and servo controller；
Described slave computer programmable controller PLC is by RS232 line and upper industrial computer control system communication, down direction is connected with solenoid directional control valve, controlled the start and stop of pumping plant by control PLC, and solenoid directional control valve provides hydraulic oil to loading hydraulic cylinder, and change the direction of feed of loading hydraulic cylinder.
The steel ball that loads of described variable-diameter is constituted by 120 degree of angular distribution extrusion heads 17 by 3, the T-slot being slidably connected with the T-shaped boss in connecting rod 20 it is provided with bottom described extrusion head 17, in order to prevent extrusion head 17 from skidding off, outside equipped with hold-down ring 18 at extrusion head 17, hold-down ring 18 is connected by holddown spring 41 with extrusion head 17, and hold-down ring 18 is connected with gear-box 21 by crossed strip 19.
The power loading steel ball of described variable-diameter is provided by loading hydraulic cylinder 25, described hydraulic cylinder 25 is fixed in gripper shoe 24, load bar 22 is promoted to move, load bar 22 is fixed on gear-box 21, gear-box 21 is fixed on slide unit 30, slide unit 30 two bottom sides is provided with guide rail slide block 31, middle part is connected to ball-screw 32, slide unit 30 is level slip on guide rail 27 under load bar 22 promotes, ball-screw 32 is driven to rotate, sensor for countering, the distance that record slide unit 30 moves are installed in ball-screw 32 side.
Described extrusion head 17 is internal equipped with tapered rod 40, is loaded the diameter of steel ball in the position adjustments within extrusion head 17 by regulation tapered rod 40；Described tapered rod 40 and connecting rod 20 matched in clearance, have half slot at connecting rod 20 afterbody, and tapered rod 40 afterbody is provided with the tooth bar matched with the little gear 39 in gear-box 21；Described little gear 39 is contained on motor internal 36 output shaft within gear-box 21, and described motor internal 36 drives little gear 39 to move；Little gear 39 and tooth bar mating band are moved tapered rod 40 and are moved, and the T-shaped boss bottom extrusion head 17 and the T-slot matched in clearance in connecting rod 20 ensure that tapered rod 40 promotes the extrusion head 17 T-shaped guide rail in connecting rod 20 to move；Extrusion head 17 extrudes holddown spring 41, equipped with pressure transducer 42 bottom holddown spring 41, pressure transducer 42 is demarcated, numerical value according to pressure transducer 42 reads the diameter loading steel ball, set the change in value scope that pressure transducer 42 is certain, it is ensured that the diameter of steel ball changes within the specified range.
Described gear-box 21 is built with intermeshing upper lower gear 37,38, described gear 37 is contained in connecting rod 20 and coordinates transmission torque by key, described lower gear 38 is driven by the motor 28 being fixed on motor base 29, connecting rod 20 is driven to rotate, connecting rod 20 drives 3 extrusion heads 17 to rotate by T-shaped boss, an extrusion process is carried out again, to eliminate the gap impact on extrusion process behind the position in gap between extrusion head 17 by changing.
Described positioner is mainly made up of position adjustments hydraulic cylinder 4, left wedge 9, right wedge 11 and sliding platform 13, described left wedge 9, right wedge 11 are fixed on fixed support block 16 and sliding platform 13 by screw rod 10 respectively, rectangular boss bottom sliding platform 13 and the rectangular recess matched in clearance on work platforms 26, realize the regulation of the horizontal level of right wedge 11, fixed support block 16 is fixed on work platforms 26, workpiece to be processed 2 is placed on left and right wedge 9,11 and is close to left wedge 9 plane, is fixed with fixing nut 8 by compact heap 7.
Described position adjustments hydraulic cylinder 4 is fixed on fixed support plate 5, described fixed support plate 5 is fixed on work platforms 26, the catch bar 6 being connected with position adjustments hydraulic cylinder 4 is connected through fixed support block 16 with sliding platform 13, on the right side of right wedge 11 equipped with position sensor, right wedge 11 moves to specify position to be capable of being automatically stopped, by starting the regulation that position adjustments hydraulic cylinder 4 realizes the horizontal level of right wedge 11.
Described arrangement for adjusting height is by servomotor 14, cam 35, cored slab 12 and solid slab 34 form, described servomotor 14 is fixed on sliding platform 13 by motor cabinet 15, described cored slab 12 is fixing with right wedge 11 and is socketed with solid slab 34, described solid slab 34 is affixed with left wedge 9, when unclamping all fixing nuts 8, described cam 35 is driven by servomotor 14 and contacts with cored slab 12, realize left and right wedge 9, 11 and workpiece to be processed 2 be synchronized with the movement, realize the regulation that axial workpiece center is high, whether described cam 35 contacts with cored slab 12, judged by force transducer.
Described position sensor, sensor for countering and pull pressure sensor, upper industrial computer is given by the displacement loaded and force feedback by signal amplifier, thus realize the real-time monitoring to reality operating mode, the wherein said pull pressure sensor 23 on loading hydraulic cylinder 25 needs to demonstrate the maximum of measurement power, minima and variance yields in host computer interface, parameter is measured by these, feedback machining accuracy is the most overproof, if it is overproof, then need to change the position in steel ball space, carry out an extrusion process again, until show value completes to specify requirement.
Described hydraulic loading device and hydraulic control portion are made up of position adjustments hydraulic cylinder 4, loading hydraulic cylinder 25, choke valve 43, solenoid directional control valve 44, overflow valve 45, double-action variable displacement motor 46, hydralic pressure gauge 47, accumulator 48 and check valve 49, described hydraulic control portion provides energy by accumulator 48, and the direction of motion of loading hydraulic cylinder 25 and speed are controlled by solenoid directional control valve 44 and choke valve 43 respectively；During carrying out extrusion process, if the pressure of hydralic pressure gauge 47 measurement is inadequate, double-action variable displacement motor 46 provide extra pressure；The movement velocity of described loading hydraulic cylinder 25 is adjusted by throttle grverning；Choke valve 43 is connected in hydraulic circuit, and in parallel with the overflow valve 45 of an other branch road；Choke valve 43 and overflow valve 45 are equivalent to two liquid resistances of parallel connection, if in the case of hydraulic pump output flow is constant, through choke valve 43 enter the flow of loading hydraulic cylinder 25 be Q1 and flow to the flow of overflow valve 45 oil sump tank be Q2 be that the size hindered by the liquid of choke valve 43 and overflow valve 45 determines；The openings of sizes of regulation choke valve 43, then can regulate the movement velocity of loading hydraulic cylinder 25；Described position adjustments hydraulic cylinder 4 changes the direction of motion of hydraulic cylinder 4 by solenoid directional control valve 44, it is impossible to carry out loading velocity regulation.
Compared with prior art the beneficial effects of the utility model are:
The device of a kind of axial workpiece endoporus machining accuracy the most described in the utility model completes the polish of axial workpiece endoporus by the bore area loading steel ball extruding generation processing workpiece of variable-diameter, loading steel ball is made to move freely in centre bore by hydraulic loading device, manufacturing procedure is simple, process time is short, and cost of manufacture is low.
The loading steel ball adjusting means of variable-diameter the most described in the utility model, it is possible to load the size of steel ball size according to the axial workpiece regulation of different center-hole diameters, it is achieved the extrusion process to different-diameter centre bore part.In order to eliminate the impact loading the steel ball size big post gap of change, by rotating loading head, reprocess, it is ensured that machining accuracy.Embody motility and the versatility of this charger.
The center height regulating device of axial workpiece the most described in the utility model, it is possible to be applicable to different external form and the axial workpiece of diameter.This utility model comprises two wedges and a two-dimensional positioning system realizes different types of axial workpiece location.The center arranging cam height adjusting means regulation different-diameter axial workpiece bottom wedge is high, it is achieved the central axis of load bar and axial workpiece central axis centering.In order to ensure that the wedge of both sides can be synchronized with the movement in short transverse, horizontal direction moves freely, by cored slab and solid slab matched in clearance in the middle of two wedges.
Automatic detection device the most described in the utility model, installs pull pressure sensor by loading at loading hydraulic cylinder at steel ball, according to pull pressure sensor in loading procedure, measure the fluctuation exerted oneself and identify the precision of endoporus.Realization need not dismantle workpiece just can complete the measurement of part, decreases workpiece because disqualified upon inspection needs to reinstall the time of processing.
Hydraulic control portion the most described in the utility model, it is possible to according to the loading velocity of different processing request regulation load bars, it is ensured that requirements such as the roughness of processing bore area and cylindricities.
The device of a kind of axial workpiece endoporus machining accuracy the most described in the utility model is simple to operate, installs workpiece convenient, it is only necessary to the central axis of regulation axial workpiece and the central axis centering of load bar.The installation workpiece time is short, and working (machining) efficiency is significantly improved.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is further described:
Fig. 1 is the axonometric projection graph of a kind of integral arrangement improving axial workpiece endoporus machining accuracy device described in the utility model；
Fig. 2 is the axonometric projection graph of the center height regulating device of a kind of axial workpiece endoporus machining accuracy device described in the utility model；
Fig. 3 is the altitude mixture control schematic diagram of the center height regulating device of a kind of axial workpiece endoporus machining accuracy device described in the utility model；
Fig. 4 is the axonometric projection graph outside variable steel ball adjusting means of a kind of axial workpiece endoporus machining accuracy device described in the utility model；
Fig. 5 is the axonometric projection graph within variable steel ball adjusting means gear-box of a kind of axial workpiece endoporus machining accuracy device described in the utility model；
Fig. 6 is the axonometric projection graph at the variable steel ball adjusting means extrusion head position of a kind of axial workpiece endoporus machining accuracy device described in the utility model；
Fig. 7 is the schematic diagram at the variable steel ball adjusting means extrusion head position of a kind of axial workpiece endoporus machining accuracy device described in the utility model；
Fig. 8 is the theory diagram of the hydraulic control portion of a kind of axial workpiece endoporus machining accuracy device described in the utility model；
Fig. 9 is the theory diagram of the signal control portion of a kind of axial workpiece endoporus machining accuracy device described in the utility model；
nullIn figure: 1. adjustable positioning device，2. workpiece to be processed，The most variable steel ball adjusting means，4. position adjustments hydraulic cylinder，5. fixed support plate，6. catch bar，7. compact heap，8. fix nut，The most left wedge，10. screw rod，11. right wedges，12. cored slabs，13. sliding platforms，14. servomotors，15. motor cabinets，16. fixed support block，17. extrusion heads，18. hold-down rings，19. crossed strips，20. connecting rods，21. gear-boxes，22. load bars，23. pull pressure sensor，24. gripper shoes，25. loading hydraulic cylinders,26. work platformses，27. guide rails，28. motors，29. motor bases，30. slide units，31. guideways，32. ball-screws，33. screw block，34. solid slabs，35. cams，36. motor internal，37. gears，38. lower gears，39. little gears，40. tapered rods，41. holddown springs，42. pressure transducers，43. flow speed control valves，44. solenoid directional control valves，45. overflow valves，46. double-action variable displacement motors，47. hydralic pressure gauges，48. accumulators，49. check valves.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is explained in detail:
Refering to Fig. 1, a kind of axial workpiece bore finish machining device described in the utility model includes that variable-diameter loads steel ball adjusting means, axial workpiece center height regulating device, automatic detection device, hydraulic loading device and hydraulic control portion.This utility model is applicable to the axial workpiece of different external form and the finishing of internal diameter of the axial workpiece of different pore size.
One, variable-diameter loads steel ball adjusting means
Refering to shown in Fig. 4～7, the loading steel ball adjusting means of described variable-diameter is by extrusion head 17, hold-down ring 18, crossed strip 19, connecting rod 20, gear-box 21, load bar 22, pull pressure sensor 23, gripper shoe 24, loading hydraulic cylinder 25, work platforms 26, guide rail 27, motor 28, motor base 29, slide unit 30, guide rail slide block 31, ball-screw 32, screw block 33, solid slab 34, cam 35, motor internal 36, gear 37, lower gear 38, little gear 39, tapered rod 40, holddown spring 41, pressure transducer 42 grade forms.
The steel ball that loads of variable-diameter is made up of the extrusion head 17 at three 120 degree of angles, and refering to Fig. 6, shown in Fig. 7, the T-slot bottom extrusion head 17 is connected with connecting rod 20, enables extrusion head to slide along T-slot.In order to prevent extrusion head 17 from skidding off, equipped with hold-down ring 18 outside it, hold-down ring 18 is connected by holddown spring 41 with extrusion head 17.Hold-down ring 18 is connected with gear-box 21 by crossed strip 19.Extrusion head 17 is internal to be contacted with tapered rod 40, and regulation tapered rod 40 just can regulate the diameter loading steel ball.Refering to shown in Fig. 5, Fig. 7, tapered rod 40 and connecting rod 20 matched in clearance, have half slot at connecting rod 20 afterbody, enable the tooth bar of tapered rod 40 afterbody to coordinate with little gear 39.Motor internal 36 drives little gear 39 to move.Little gear 39 and tooth bar mating band are moved tapered rod 40 and are moved, and tapered rod 40 promotes the extrusion head 17 T-shaped guide rail in connecting rod 20 to move.Extrusion head 17 extrudes holddown spring 41, equipped with pressure transducer 42 bottom holddown spring, demarcates pressure transducer 42, then can read the diameter loading steel ball according to the numerical value of pressure transducer 42.When loading the diameter change of steel ball, there is gap between 3 extrusion heads 17, in order to eliminate the gap impact on extrusion process, refering to shown in Fig. 5, Fig. 6.Motor 28 is fixed on motor base 29, and drives lower gear 38 to move, and lower gear 38 engages with gear 37, gear 37 coordinates with connecting rod 20, transmitting torque by key, drive connecting rod 20 to rotate, connecting rod 20 drives 3 extrusion heads 17 to rotate by T-shaped boss.By said process, change and carry out an extrusion process process again behind the position in gap between extrusion head 17.
Refering to shown in Fig. 4, the power loading steel ball of variable-diameter is provided by loading hydraulic cylinder 25.Hydraulic cylinder 25 is fixed in gripper shoe 24, and centre is equipped with force transducer and promotes load bar 22 to move.Load bar 22 is fixed on gear-box 21, gear-box 21 is fixed on slide unit 30, bottom slide unit 30, two ends are connected to guide rail slide block 31, and middle part is connected to ball-screw 32. therefore slide unit 30 and level can slide on guide rail 27 under load bar 22 promotes, and drives ball-screw 32 to rotate.Sensor for countering, the distance that record slide unit 30 moves are installed in ball-screw 32 side.Refering to shown in Fig. 1, when loading steel ball and completing extrusion process, hold-down ring 18 is close to the surface of workpiece to be processed 2, the crossed strip 19 that extruding is fixed on gear-box 21.After extrusion process completes, when loading steel ball leaves workpiece to be processed 2, crossed strip 19 drives hold-down ring 18 to return to specify position.
Two, axial workpiece center height regulating device
Refering to shown in Fig. 2, Fig. 3, described axial workpiece center height regulating device includes positioner and arrangement for adjusting height composition.By position adjustments hydraulic cylinder 4, fixed support plate 5, catch bar 6, compact heap 7, fixing nut 8, left wedge 9, screw rod 10, right wedge 11, cored slab 12, sliding platform 13, servomotor 14, motor cabinet 15, fixed support block 16, solid slab 34, cam 35 grade forms.Turn on the fixing nut 8 on screw rod 10, compact heap 7 is rotated along screw rod 10, workpiece to be processed 2 is placed on right wedge 11 and left wedge 9.And workpiece to be processed 2 is close in left wedge 9 plane, left wedge 9 is connected with fixed support block 16 by screw rod, and fixed support block 16 is fixed on work platforms 26.Open position regulation hydraulic cylinder 4, catch bar 6 is driven to move, catch bar 6 is connected through fixed support block 16 with sliding platform 13, rectangular boss bottom sliding platform 13 and the rectangular recess matched in clearance on work platforms 26, sliding platform 13 is connected with right wedge 11 by screw rod, it is achieved the regulation of the horizontal level of right wedge 11.On the right side of right wedge 11 equipped with position sensor, right wedge 11 moves to specify position to be capable of being automatically stopped.Servomotor 14 band moving cam 35 moves, and makes cam 35 contact with cored slab 12.Servomotor 14 is arranged on motor cabinet 16, middle equipped with force transducer, it is judged that whether cam 35 contacts with cored slab 12.Unclamp all of nut on screw rod, being again started up servomotor 14 band moving cam 35 to move, cam 35 promotes solid slab 12 to move, and solid slab 12 is fixing with right wedge 11 and is connected with solid slab 34, solid slab 34 is affixed with left wedge 9, it is achieved right wedge 11 is synchronized with the movement with left wedge 9.Left wedge 9 promotes workpiece to be processed 2 to move with right wedge 11, it is achieved the regulation that axial workpiece center is high.
Three, automatic detection device
Refering to shown in Fig. 9, described automatic detection device includes that upper computer control system, slave computer programmable controller PLC, servo controller form.
Described the next programmable controller PLC is by RS232 line and upper industrial computer control system communication, down direction is connected with solenoid directional control valve, control the start and stop of pumping plant by controlling solenoid directional control valve and provide hydraulic oil to loading hydraulic cylinder, and changing the direction of feed of loading hydraulic cylinder.
Described position sensor, sensor for countering and pull pressure sensor, gives upper industrial computer by signal amplifier by the displacement loaded and force feedback.Thus realize the real-time monitoring to reality operating mode.The wherein said pull pressure sensor 23 on loading hydraulic cylinder 25 needs to demonstrate the maximum of measurement power, minima and variance yields in host computer interface.Measuring parameter by these, feedback machining accuracy is the most overproof.If overproof, then need to change the position in steel ball space, then carry out an extrusion process, until show value completes to specify requirement.
Four, hydraulic loading device and hydraulic control
Refering to shown in Fig. 8, described hydraulic loading device and hydraulic control portion are made up of position adjustments hydraulic cylinder 4, loading hydraulic cylinder 25, choke valve 43, solenoid directional control valve 44, overflow valve 45, double-action variable displacement motor 46, hydralic pressure gauge 47, accumulator 48, check valve 49 grade.
Described hydraulic control portion mainly provides energy by accumulator 48, and the direction of motion of loading hydraulic cylinder 25 and speed are controlled by solenoid directional control valve 44 and choke valve 43 respectively.During carrying out extrusion process, if the pressure of hydralic pressure gauge 47 measurement is inadequate, double-action variable displacement motor 46 provide extra pressure.The movement velocity of described loading hydraulic cylinder 25 is adjusted by throttle grverning.Choke valve 43 is connected in hydraulic circuit, and in parallel with the overflow valve 45 of an other branch road.Choke valve 43 and overflow valve 45 are equivalent to two liquid resistances of parallel connection, if in the case of hydraulic pump output flow is constant, through choke valve 43 enter the flow of loading hydraulic cylinder 25 be Q1 and flow to the flow of overflow valve 45 oil sump tank be Q2 be that the size hindered by the liquid of choke valve 43 and overflow valve 45 determines.The openings of sizes of regulation choke valve 43, then can regulate the movement velocity of loading hydraulic cylinder 25.Described position adjustments hydraulic cylinder 4 changes the direction of motion of hydraulic cylinder 4 by solenoid directional control valve 44, it is impossible to enough carry out loading velocity regulation.
A kind of operation principle improving axial workpiece endoporus machining accuracy device:
First, workpiece to be processed 2 is installed on center height regulating device 1, is completed the location of workpiece to be processed 2 by left wedge 9, right wedge 11 and location plane, and regulated the position of right wedge 11 by position adjustments hydraulic cylinder 4.Starting servomotor 14, take cam 35 to and move, cam 35 promotes left wedge 9 and right wedge 11 to move, the axis completing workpiece to be processed 2 and the centering regulation loading steel ball centrage.Then fastening nut, makes compact heap 7 compress workpiece to be processed 2.The motor internal 36 adjusting variable-diameter loading steel ball adjusting means 3 drives tapered rod 40 to move, and tapered rod 40 drives extrusion head 17 to move, it is achieved steel ball size size adjustment.
First workpiece to be processed 2 is installed on center height regulating device 1, is completed the location of workpiece to be processed 2 by the nut of the wedge at two ends and plane two ends, location, the axis of the nut guarantee workpiece to be processed 2 that regulation wedge is upper and lower and distance rod axis centering.Then the fixing nut 8 of regulation makes compact heap 7 compress workpiece to be processed 2.Regulating the connecting rod 20 of variable steel ball adjusting means 1 drives extrusion head 17 motion to change the size of steel ball, then opens hydraulic cylinder 25 and promotes distance rod 6 to move, and the endoporus specific bit loading steel ball and clamp-oning workpiece to be processed 2 is postponed and extracts, completes an extrusion process.Starting motor 28 drives lower gear 38 to move, and drives connecting rod 20 to rotate by gear drive, and connecting rod 20 drives 3 extrusion heads 17 to rotate by T-shaped boss, makes steel ball rotate to specify position, then opens hydraulic cylinder and complete the extrusion process of an endoporus.The maximum of the measurement power that read-out display shows and minima and variance yields, if checking qualified, finally unclamping compact heap 7, taking out workpiece.Otherwise, need to change the position in steel ball space, then carry out an extrusion process, until show value completes to specify requirement.For same workpiece, the size of steel ball and center high are put and are had only to regulate once.Easy and simple to handle, will check with on process to one procedure, work efficiency is high.
Embodiment described in this utility model be for the ease of these those skilled in the art it will be appreciated that and application this utility model, this utility model is the embodiment of a kind of optimization, the most concrete a kind of technical scheme in other words conj.or perhaps, therefore this utility model is not limited to implement the description of this kind of more specific technical scheme.If relevant technical staff makes in the case of adhering to this utility model basic technical scheme needs not move through the equivalent structure change of creative work or various amendment all in protection domain of the present utility model.
Claims (10)
1. improve a device for axial workpiece endoporus machining accuracy, the load adjusting means of steel ball, axial workpiece center height regulating device, automatic detection device, hydraulic loading device and the hydraulic control portion of variable-diameter be grouped into, it is characterised in that:
nullThe loading steel ball adjusting means of described variable-diameter and axial workpiece center height regulating device are respectively by guide rail (27)、Fixed support block (16) and sliding platform (13) are arranged on work platforms (26)，The loading steel ball adjusting means of described variable-diameter is mainly by the extrusion head (17) being arranged on guide rail (27)、Gear-box (21)、Loading hydraulic cylinder (25) and ball-screw (32) composition，Described extrusion head (17) is connected with gear-box (21) by connecting rod (20)，Described gear-box (21) is connected by load bar (22) with loading hydraulic cylinder (25)，By being fixed on, slide unit (30) is upper to be slidably matched described gear-box (21) with guide rail (27)，Described loading hydraulic cylinder (25) is fixed on guide rail (27) by gripper shoe (24)，Equipped with pull pressure sensor (23) on described load bar (22)，Equipped with motor (28) on described gear-box (21)，Described ball-screw (32) is fixed on guide rail (27) by screw block (33) and above and is connected with slide unit (30)；Described extrusion head (17), connecting rod (20), load bar (22), loading hydraulic cylinder (25) coaxial line are installed；
Described axial workpiece center height regulating device is made up of positioner and arrangement for adjusting height, and workpiece to be processed (2) is carried out positioning and altitude mixture control by positioner and arrangement for adjusting height respectively；
Described automatic detection device is made up of upper computer control system, slave computer programmable controller PLC and servo controller；
Described slave computer programmable controller PLC is by RS232 line and upper industrial computer control system communication, down direction is connected with solenoid directional control valve, controlled the start and stop of pumping plant by control PLC, and solenoid directional control valve provides hydraulic oil to loading hydraulic cylinder, and change the direction of feed of loading hydraulic cylinder.
A kind of device improving axial workpiece endoporus machining accuracy the most according to claim 1, it is characterised in that:
The steel ball that loads of described variable-diameter is constituted by 120 degree of angular distribution extrusion heads (17) by 3, described extrusion head (17) bottom is provided with the T-slot being slidably connected with the T-shaped boss in connecting rod (20), in order to prevent extrusion head (17) from skidding off, outside equipped with hold-down ring (18) at extrusion head (17), hold-down ring (18) is connected by holddown spring (41) with extrusion head (17), and hold-down ring (18) is connected with gear-box (21) by crossed strip (19).
A kind of device improving axial workpiece endoporus machining accuracy the most according to claim 1 and 2, it is characterised in that:
The power loading steel ball of described variable-diameter is provided by loading hydraulic cylinder (25), described hydraulic cylinder (25) is fixed in gripper shoe (24), promote load bar (22) motion, load bar (22) is fixed on gear-box (21), gear-box (21) is fixed on slide unit (30), slide unit (30) two bottom sides is provided with guide rail slide block (31), middle part is connected to ball-screw (32), slide unit (30) slides in the upper level of guide rail (27) under load bar (22) promotes, ball-screw (32) is driven to rotate, sensor for countering is installed in ball-screw (32) side, the distance of record slide unit (30) movement.
A kind of device improving axial workpiece endoporus machining accuracy the most according to claim 1 and 2, it is characterised in that:
Described extrusion head (17) is internal equipped with tapered rod (40), is loaded the diameter of steel ball in the position adjustments that extrusion head (17) is internal by regulation tapered rod (40)；Described tapered rod (40) and connecting rod (20) matched in clearance, having half slot at connecting rod (20) afterbody, tapered rod (40) afterbody is provided with the tooth bar matched with the little gear (39) in gear-box (21)；Described little gear (39) is contained on motor internal (36) output shaft that gear-box (21) is internal, and described motor internal (36) drives little gear (39) to move；Little gear (39) and tooth bar mating band move tapered rod (40) motion, and the T-shaped boss of extrusion head (17) bottom and the T-slot matched in clearance in connecting rod (20) ensure the T-shaped guide rail motion that tapered rod (40) promotes extrusion head (17) in connecting rod (20)；Extrusion head (17) extruding holddown spring (41), holddown spring (41) bottom is equipped with pressure transducer (42), pressure transducer (42) is demarcated, numerical value according to pressure transducer (42) reads the diameter loading steel ball, set the change in value scope that pressure transducer (42) is certain, it is ensured that the diameter of steel ball changes within the specified range.
A kind of device improving axial workpiece endoporus machining accuracy the most according to claim 4, it is characterised in that:
Described gear-box (21) is built with intermeshing upper lower gear (37,38), described gear (37) is contained in connecting rod (20) and above and coordinates transmission torque by key, described lower gear (38) is driven by the motor (28) being fixed on motor base (29), connecting rod (20) is driven to rotate, connecting rod (20) drives 3 extrusion heads (17) to rotate by T-shaped boss, an extrusion process is carried out again, to eliminate the gap impact on extrusion process behind the position in gap between extrusion head (17) by changing.
A kind of device improving axial workpiece endoporus machining accuracy the most according to claim 3, it is characterised in that:
Described positioner is mainly by position adjustments hydraulic cylinder (4), left wedge (9), right wedge (11) and sliding platform (13) composition, described left wedge (9), right wedge (11) is fixed on fixed support block (16) and sliding platform (13) by screw rod (10) respectively, the rectangular boss of sliding platform (13) bottom and the rectangular recess matched in clearance on work platforms (26), realize the regulation of the horizontal level of right wedge (11), fixed support block (16) is fixed on work platforms (26), workpiece to be processed (2) is placed on left and right wedge (9, 11) go up and be close to left wedge (9) plane, fixed with fixing nut (8) by compact heap (7).
A kind of device improving axial workpiece endoporus machining accuracy the most according to claim 6, it is characterised in that:
Described position adjustments hydraulic cylinder (4) is fixed on fixed support plate (5), described fixed support plate (5) is fixed on work platforms (26), the catch bar (6) being connected with position adjustments hydraulic cylinder (4) is connected through fixed support block (16) with sliding platform (13), on the right side of right wedge (11) equipped with position sensor, right wedge (11) moves to specify position to be capable of being automatically stopped, by starting the regulation that position adjustments hydraulic cylinder (4) realizes the horizontal level of right wedge (11).
A kind of device improving axial workpiece endoporus machining accuracy the most according to claim 1, it is characterised in that:
Described arrangement for adjusting height is by servomotor (14), cam (35), cored slab (12) and solid slab (34) composition, described servomotor (14) is fixed on sliding platform (13) by motor cabinet (15), described cored slab (12) is fixing with right wedge (11) and is socketed with solid slab (34), described solid slab (34) is affixed with left wedge (9), when unclamping all fixing nut (8), described cam (35) is driven by servomotor (14) and contacts with cored slab (12), realize left and right wedge (9, 11) it is synchronized with the movement with workpiece to be processed (2), realize the regulation that axial workpiece center is high, whether described cam (35) contacts with cored slab (12), judged by force transducer.
A kind of device improving axial workpiece endoporus machining accuracy the most according to claim 7, it is characterised in that:
Described position sensor, sensor for countering and pull pressure sensor, upper industrial computer is given by the displacement loaded and force feedback by signal amplifier, thus realize the real-time monitoring to reality operating mode, pull pressure sensor (23) on wherein said loading hydraulic cylinder (25) needs to demonstrate the maximum of measurement power, minima and variance yields in host computer interface, parameter is measured by these, feedback machining accuracy is the most overproof, if it is overproof, then need to change the position in steel ball space, carry out an extrusion process again, until show value completes to specify requirement.
A kind of device improving axial workpiece endoporus machining accuracy the most according to claim 1, it is characterised in that:
Described hydraulic loading device and hydraulic control portion are made up of position adjustments hydraulic cylinder (4), loading hydraulic cylinder (25), choke valve (43), solenoid directional control valve (44), overflow valve (45), double-action variable displacement motor (46), hydralic pressure gauge (47), accumulator (48) and check valve (49), described hydraulic control portion provides energy by accumulator (48), and the direction of motion of loading hydraulic cylinder (25) and speed are controlled by solenoid directional control valve (44) and choke valve (43) respectively；During carrying out extrusion process, if the pressure measured of hydralic pressure gauge (47) is inadequate, double-action variable displacement motor (46) provide extra pressure；The movement velocity of described loading hydraulic cylinder (25) is adjusted by throttle grverning；Choke valve (43) is connected in hydraulic circuit, and in parallel with the overflow valve (45) of an other branch road；Choke valve (43) and overflow valve (45) are equivalent to two liquid resistances of parallel connection, if in the case of hydraulic pump output flow is constant, through choke valve (43) enter the flow of loading hydraulic cylinder (25) be Q1 and flow to the flow of overflow valve (45) oil sump tank be Q2 be the size decision hindered by the liquid of choke valve (43) and overflow valve (45)；The openings of sizes of regulation choke valve (43), then can regulate the movement velocity of loading hydraulic cylinder (25)；Described position adjustments hydraulic cylinder (4) changes the direction of motion of hydraulic cylinder (4) by solenoid directional control valve (44), it is impossible to carry out loading velocity regulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620055514.1U CN205600225U (en) | 2016-01-21 | 2016-01-21 | Improve device of axle type part hole machining precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620055514.1U CN205600225U (en) | 2016-01-21 | 2016-01-21 | Improve device of axle type part hole machining precision |
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| Publication Number | Publication Date |
|---|---|
| CN205600225U true CN205600225U (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620055514.1U Withdrawn - After Issue CN205600225U (en) | 2016-01-21 | 2016-01-21 | Improve device of axle type part hole machining precision |
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| Country | Link |
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| CN (1) | CN205600225U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105499907A (en) * | 2016-01-21 | 2016-04-20 | 吉林大学 | Device for improving machining precision of inner holes of shaft parts |
| CN106851957A (en) * | 2017-01-03 | 2017-06-13 | 中国原子能科学研究院 | It is a kind of to squeeze swollen device for preparing the target piece of irradiation uranium foil target part |
| CN108151989A (en) * | 2018-03-21 | 2018-06-12 | 吉林大学 | Numerical control horizontal servo saddle rigidity detection device and application method |
| CN108326380A (en) * | 2018-03-14 | 2018-07-27 | 桐乡市远邦传感器有限公司 | A kind of intelligent open cnc device |
| CN111256907A (en) * | 2020-01-03 | 2020-06-09 | 武汉钢铁有限公司 | Intelligent line inspection checking device of transmitter |
| CN113155607A (en) * | 2021-04-06 | 2021-07-23 | 人本股份有限公司 | Press-pull loading simulation test device |
| CN114406714A (en) * | 2022-03-03 | 2022-04-29 | 范梦晨 | Automatic molding production line for end part of connecting rod of automobile shock absorber |
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2016
- 2016-01-21 CN CN201620055514.1U patent/CN205600225U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499907A (en) * | 2016-01-21 | 2016-04-20 | 吉林大学 | Device for improving machining precision of inner holes of shaft parts |
| CN106851957A (en) * | 2017-01-03 | 2017-06-13 | 中国原子能科学研究院 | It is a kind of to squeeze swollen device for preparing the target piece of irradiation uranium foil target part |
| CN108326380A (en) * | 2018-03-14 | 2018-07-27 | 桐乡市远邦传感器有限公司 | A kind of intelligent open cnc device |
| CN108151989A (en) * | 2018-03-21 | 2018-06-12 | 吉林大学 | Numerical control horizontal servo saddle rigidity detection device and application method |
| CN108151989B (en) * | 2018-03-21 | 2023-09-19 | 吉林大学 | Rigidity detection device for numerical control horizontal servo tool rest and use method |
| CN111256907A (en) * | 2020-01-03 | 2020-06-09 | 武汉钢铁有限公司 | Intelligent line inspection checking device of transmitter |
| CN111256907B (en) * | 2020-01-03 | 2021-08-17 | 武汉钢铁有限公司 | Intelligent line inspection checking device of transmitter |
| CN113155607A (en) * | 2021-04-06 | 2021-07-23 | 人本股份有限公司 | Press-pull loading simulation test device |
| CN114406714A (en) * | 2022-03-03 | 2022-04-29 | 范梦晨 | Automatic molding production line for end part of connecting rod of automobile shock absorber |
| CN114406714B (en) * | 2022-03-03 | 2023-12-26 | 浙江奔利汽车部件有限公司 | Automatic forming production line for connecting rod end part of automobile shock absorber |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160928 Effective date of abandoning: 20170801 |