Summary of the invention
The object of the invention is to provide a kind of machining accuracy height, the quality conformance of the Worm and screw of processing is good, simple in structure, cost is low, the Worm and screw of easy operating is processed the milling bed, has solved the mobile precision that has reduced Worm and screw processing of the existing cutter of prior art Worm and screw processing device, has influenced the crudy uniformity of Worm and screw or the complex structure that existing Worm and screw special processing equipment exists, the equipment manufacturing cost height, operation easier is than problems such as height.
Above-mentioned technical purpose of the present invention solves by the following technical programs: it comprises lathe bed, work piece holder reaches the cutter that clamps workpiece one side corresponding to work piece holder, being used to drive the work piece holder rotation is connected with described work piece holder with the workpiece feed mechanism of axial translation, described workpiece feed mechanism comprises a moving threaded body and quiet threaded body that is fixed on the lathe bed of mutual threaded engagement at least, the output in moving threaded body one end and feeding power source is in transmission connection, and the other end of described moving threaded body is fixedlyed connected with work piece holder.Add and adjust cutter man-hour cutter is fixed, with piece-holder on work piece holder, the feeding power source drives moving threaded body rotation, under moving threaded body and quiet threaded body threaded engagement, realize rotatablely moving and the axial translation motion of moving threaded body, the workpiece that is clamped on the work piece holder rotates and the axial translation motion thereby drive, cutter acts on and realizes cutter and workpiece relative rotary motion and axial translation motion on the workpiece, thereby on workpiece, process Worm and screw with moving threaded body uniform pitch, thereby the workpiece that assurance machines has and moves the Worm and screw that threaded body has identical pitch, the machining accuracy of Worm and screw and the uniformity of quality have been improved, the composition of equipment is simple in structure, reduce various driving errors, improve workpiece accuracy, be equipped with the worm screw that many cover ball screws just can be finished all size, screw mandrel processing.The device fabrication cost has higher precision and reliability far below legacy equipment, and easy to operate, is easy to apply.Wherein, the feeding power source can be motor, steam engine, oil-burning machine or the reducing gear that driven by motor, steam engine, oil-burning machine.Wherein, the processing stroke can be controlled by travel switch control or other method, and is simple and reliable for structure.If need the processing multiple thread, then only a plurality of cutters need be set and get final product.
As preferably, described cutter has the governor motion that can be used for regulating the angle between plane, cutter blade place and the moving threaded body axis, described governor motion structure is: described cutter is installed on the output of cutter power source, and described cutter power source hoop is slidingly connected on the dial.By regulating the cutter power source in dial hoop position, the angle between the axis of cutter blade plane and moving threaded body can be regulated, thereby the processing helical angle of workpiece can be adjusted, can satisfy the needs of the Worm and screw of processing different helical angles.Wherein, the cutter power source can be motor, steam engine, oil-burning machine or the reducing gear that driven by motor, steam engine, oil-burning machine.
As preferably, described dial is located on the base plate, and described base plate and lathe bed are slidingly connected along the direction perpendicular to feed screw.By regulating base plate with respect to the position of lathe bed edge perpendicular to feeding threaded body axis direction, the distance between cutter blade and moving threaded body axis can be adjusted, thereby the working depth of cutter can be regulated the workpiece screw thread, can satisfy the processing needs of different depth screw thread.
As preferably, described work piece holder comprises a drive dog and a driven chuck that is oppositely arranged, and described drive dog and moving threaded body are affixed, and described driven chuck is connected with slide bar one end; The described slide bar other end and slider block are affixed, and described slider block and lathe bed are slidingly connected.Wherein, the slide bar other end also can be slidingly connected with slider block, and slider block and lathe bed are affixed.Wherein, drive dog plays the effect that drives workpiece rotation and axial translation, and driven chuck plays the effect of supporting workpiece rotation and axial translation.
As preferably, described moving threaded body is a screw mandrel, and described quiet threaded body is a nut or a plurality of coaxial affixed nut that cooperates with wire rod thread.Wherein, quiet threaded body also can adopt screwed pipe etc. to have the structure of internal thread.
As preferably, described feeding power source and lathe bed are slidingly connected, and make the feeding power source follow moving moving axially of threaded body and move, and are convenient to the setting of the drive mechanism between feeding power source and the moving threaded body.
As preferably, described cutter is milling cutter or formed grinding wheel, and the number of cutter can be one or more.Wherein milling cutter or formed grinding wheel can adopt circular configuration, at the periphery of circular configuration blade are set, and by the rotation of cutter drive power source workpiece are carried out screw thread processing, can accelerate the process velocity of screw thread.Cutter can the work sheet screw thread, and a plurality of cutters can be processed multiple thread, when a plurality of cutter is set, both can adopt a plurality of milling cutters, also can adopt a plurality of emery wheels, can also adopt the combination of a plurality of milling cutters and emery wheel.
As preferably, described lathe bed is provided with guide rail, described moving threaded body is a screw mandrel, described quiet threaded body is a nut or a plurality of coaxial affixed nut that cooperates with wire rod thread, described work piece holder comprises a drive dog and a driven chuck that is oppositely arranged, described drive dog and moving threaded body are affixed, the described moving threaded body other end is connected by shaft joint with the feeding power source output terminal, described feeding power source and guide rail are slidingly connected, described driven chuck is connected with slide bar one end, the described slide bar other end is fixedlyed connected with slider block, and described slider block and guide rail are slidingly connected; Described cutter has the governor motion that can be used for regulating the angle between plane, cutter blade place and the moving threaded body axis, described governor motion is: described cutter is installed on the output of cutter power source, described cutter power source hoop is slidingly connected on the dial, described dial is located on the base plate, and described base plate and lathe bed are slidingly connected along the direction perpendicular to feed screw.
As preferably, be provided with substrate between described base plate and lathe bed, described substrate and lathe bed are fixed, and are provided with the adjusting screw mandrel that is used to regulate the relative position between base plate and substrate between described base plate and substrate.Wherein, the setting that substrate can be convenient to base plate is set under base plate, regulates the adjusting operation that screw mandrel can be convenient to both relative positions and between base plate and substrate, be provided with.
Therefore, the present invention has the accuracy of screw machining height, the screw thread high conformity of processing, and simple in structure, cost is low, the characteristics of easy operating.
The specific embodiment
Below by specific embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1: as depicted in figs. 1 and 2, a kind of Worm and screw processing milling machine, comprise lathe bed 1, the work piece holder that is made of a drive dog 2 that is oppositely arranged and a driven chuck 3 reaches the cutter 4 that clamps workpiece one side corresponding to work piece holder, the workpiece feed mechanism that is used to drive work piece holder rotation and axial translation comprises a moving threaded body 5 and quiet threaded body 6 that is fixed on the lathe bed 1 of mutual threaded engagement, moving threaded body 5 shows as a screw mandrel at this, quiet threaded body 6 shows as one or two of cooperating with wire rod thread by nut support 7 coaxial affixed nuts at this, cutter 4 shows as a circular milling cutter at this, the output in moving threaded body 5 one ends and feeding power source 8 is in transmission connection by shaft joint 9, and the other end of moving threaded body 5 is fixedlyed connected with the drive dog 3 of work piece holder.
Lathe bed 1 is provided with guide rail 10, and feeding power source 8 is slidingly connected by motor frame 11 and guide rail 10, and driven chuck 3 is connected with slide bar 12 1 ends, and slide bar 12 other ends are fixedlyed connected with slider block 13, and slider block 13 is slidingly connected with guide rail 12; The governor motion structure that can be used for regulating the angle between plane, cutter blade place and the moving threaded body axis is: cutter 4 is installed on the output of cutter power source 14, cutter power source 14 hoops are slidingly connected on the horizontally disposed dial 15, dial 15 is located on the horizontally disposed base plate 16, be provided with horizontally disposed substrate 17 between base plate 16 and the lathe bed 1, substrate 17 is fixing with lathe bed 1, be provided with the adjusting screw mandrel 18 of the relative position that is used to regulate 17 of base plate 16 and substrates between base plate 16 and the substrate 17, joint screw mandrel 18 is provided with a swing handle of being convenient to rotate 19.Feeding power source 8 shows as a reducing motor at this embodiment, and cutter power source 14 shows as a motor at this.Wherein, the processing stroke is by controlling with the travel switch in control feeding power source.
Add man-hour, workpiece 21 is clamped on the work piece holder, again cutter is fixed according to the angle that predetermined processing helical angle is adjusted plane, cutter blade place and axis of workpiece by dial, the feeding power source drives moving threaded body rotation, under moving threaded body and quiet threaded body threaded engagement, realize rotatablely moving and the axial translation motion of moving threaded body, the workpiece that is clamped on the work piece holder rotates and the axial translation motion thereby drive, cutter acts on and realizes cutter and workpiece relative rotary motion and axial translation motion on the workpiece, thereby on workpiece, process the Worm and screw with moving threaded body uniform pitch, thereby guarantee that the workpiece that machines has and moves the Worm and screw that threaded body has identical pitch.
Embodiment 2: as shown in Figure 3 and Figure 4, a kind of Worm and screw processing grinding machine, comprise lathe bed 1, the work piece holder that is made of a drive dog 2 that is oppositely arranged and a driven chuck 3 reaches the cutter 4 that clamps workpiece one side corresponding to work piece holder, the workpiece feed mechanism that is used to drive work piece holder rotation and axial translation comprises a moving threaded body 5 and quiet threaded body 6 that is fixed on the lathe bed 1 of mutual threaded engagement, moving threaded body 5 shows as a screw mandrel at this, quiet threaded body 6 shows as one or two of cooperating with wire rod thread by nut support 7 coaxial affixed nuts at this, cutter 4 shows as a circular grinding wheel at this, be respectively equipped with the diamond pen 20 that is used for repairing emery wheel in the both sides of circular grinding wheel, the output in moving threaded body 5 one ends and feeding power source 8 is in transmission connection by shaft joint 9, and the other end of moving threaded body 5 is fixedlyed connected with the drive dog 3 of work piece holder.
Lathe bed 1 is provided with guide rail 10, and feeding power source 8 is slidingly connected by motor frame 11 and guide rail 10, and driven chuck 3 is connected with slide bar 12 1 ends, and slide bar 12 other ends are fixedlyed connected with slider block 13, and slider block 13 is slidingly connected with guide rail 12; The governor motion structure that can be used for regulating the angle between plane, cutter blade place and the moving threaded body axis is: cutter 4 is installed on the output of cutter power source 14, and cutter power source 14 hoops are slidingly connected on the dial 15 of vertical setting.Feeding power source 8 shows as a reducing motor at this embodiment, and cutter power source 14 shows as a motor at this.Wherein, the processing stroke is by controlling with the travel switch in control feeding power source.
Add man-hour, workpiece 21 is clamped on the work piece holder, again cutter is fixed according to the angle that predetermined processing helical angle is adjusted plane, cutter blade place and axis of workpiece by dial, the feeding power source drives moving threaded body rotation, under moving threaded body and quiet threaded body threaded engagement, realize rotatablely moving and the axial translation motion of moving threaded body, the workpiece that is clamped on the work piece holder rotates and the axial translation motion thereby drive, cutter acts on and realizes cutter and workpiece relative rotary motion and axial translation motion on the workpiece, thereby on workpiece, process the Worm and screw with moving threaded body uniform pitch, thereby guarantee that the workpiece that machines has and moves the Worm and screw that threaded body has identical pitch.