CN112496422A

CN112496422A - Milling machine with cleaning function and capable of automatically clamping and loosening workpiece

Info

Publication number: CN112496422A
Application number: CN202011489053.6A
Authority: CN
Inventors: 薛佳委
Original assignee: Nanjing Dongwuqing Technology Co ltd
Current assignee: Nanjing Dongwuqing Technology Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-03-16

Abstract

The invention discloses a milling machine with a cleaning function and capable of automatically clamping and loosening workpieces, which comprises a machine tool body, wherein a guide cavity with an upward opening is arranged in the machine tool body, a sliding box is arranged in the guide cavity in a left-right sliding manner, a workpiece groove with an upward opening is arranged in the sliding box, two sliding clamping blocks are arranged in the workpiece groove in a sliding manner, and U-shaped cavities are symmetrically arranged at the left side and the right side of the workpiece groove in the sliding box; when the milling machine is used for milling the plane of a workpiece, the workpiece is automatically clamped and driven to move rightwards, meanwhile, the sliding milling cutter is moved forwards and backwards, so that the plane milling operation of the workpiece is realized, the workpiece is automatically loosened after the processing is finished, the initial state is automatically recovered after the workpiece is taken away, the next workpiece is processed and loosened, the operation steps of workers are reduced, simultaneously, scraps can be automatically discharged, and the difficulty of removing the scraps by the workers is reduced.

Description

Milling machine with cleaning function and capable of automatically clamping and loosening workpiece

Technical Field

The invention relates to the related field of numerical control lathes, in particular to a milling machine with a cleaning function and capable of automatically clamping and loosening workpieces.

Background

Traditional numerically controlled fraise machine is when milling planar operation to the work piece, need manual processing after the work piece centre gripping earlier, the manual work piece of taking off after finishing processing, carry out the centre gripping of next work piece, not only the time-wasting and centre gripping need the tool setting again at every turn, can't carry out batch production, greatly reduced the efficiency of production, need the manual work to clear up the sweeps on the processing bench simultaneously, this process can only go on after finishing processing, and take very much time.

The milling machine with the cleaning function and the automatic workpiece clamping and loosening function can solve the problems.

Disclosure of Invention

In order to solve the problems, the milling machine with the self-cleaning function and the automatic workpiece clamping and loosening function is designed in the embodiment, the milling machine with the self-cleaning function and the automatic workpiece clamping and loosening function comprises a machine tool bed body, a guide cavity with an upward opening is arranged in the machine tool bed body, a sliding box is arranged in the guide cavity in a left-right sliding mode, a workpiece groove with an upward opening is arranged in the sliding box, two sliding clamping blocks are arranged in the workpiece groove in a sliding mode, a U-shaped cavity is symmetrically arranged on the left side and the right side of the workpiece groove in the sliding box, push rods are arranged in the U-shaped cavity in a left-right sliding mode, one end, close to the workpiece groove, of each push rod on the left side and the right side is fixedly connected to the end face of the corresponding sliding clamping block, a worm wheel cavity is arranged on the lower side of the workpiece groove in the sliding box, a Tang's threaded rod is rotatably, two thread sliding plates are connected to the Tang's threaded rod in a threaded manner, linkage rods are fixedly connected to the end faces, opposite to each other, of the two thread sliding plates, the linkage rods are located on the upper side of the Tang's threaded rod and are in sliding fit with the corresponding U-shaped cavities, chip removal channels with downward openings are respectively communicated with the front side and the rear side of the worm cavity on the inner wall of the lower side of the workpiece groove, and the chip removal channels are communicated with the guide cavity; a support column is fixedly connected to the upper end surface of the machine tool body at the rear side of the guide cavity, a reciprocating screw and a spline shaft are rotatably connected to the front end surface of the support column, the spline shaft is located on the lower side of the reciprocating screw, a threaded slider is in threaded connection with the reciprocating screw, a linkage cavity is arranged in the threaded slider, a sliding guide sleeve is rotatably connected in the linkage cavity in a front-back through manner, the sliding guide sleeve is in splined connection with the spline shaft, a sliding milling cutter is rotatably connected to the inner wall of the lower side of the linkage cavity, and the lower end of the sliding milling cutter is located on the lower side; a chip removal hole with a right opening is formed in the lower side of the guide cavity in the machine tool body and is communicated with the guide cavity through a communication hole, a power output shaft is rotatably connected to the inner wall of the left side of the chip removal hole, and a helical blade is fixedly connected to the power output shaft; place the work piece between two slip clamp splice of work piece inslot, later the slip case moves right, later tang's threaded rod rotates the slip that drives two screw thread slides back of the body mutually, and then it slides to drive the gangbar through the screw thread slide, and then it slides to drive the slip clamp splice through the push rod, and then press from both sides the work piece tightly, later reciprocal lead screw drives the screw slider back-and-forth movement, the integral key shaft drives the rotation of sliding milling cutter, and then process the work piece through sliding milling cutter, the sweeps that produces during processing passes through the chip removal passageway and carries the direction intracavity, later carry the chip removal downthehole through the intercommunicating pore, and then carry to the external world under helical blade's drive, realize automatically the centre gripping and loosen the work piece, workman.

Beneficially, a linkage groove with a right opening is formed in the inner wall of the left side of the guide cavity, a placing groove with a left opening is formed in the inner wall of the right side of the guide cavity, slide rod holes with a downward opening are formed in the linkage groove and the inner wall of the upper side of the placing groove, support slide rods are arranged in the slide rod holes in a sliding mode, a traction spring is fixedly arranged between the upper end face of each support slide rod and the inner wall of the upper side of each slide rod hole, a threaded rod is connected between the two support slide rods in a penetrating and rotating mode, two guide slide rods are arranged in the placing groove in a front-back sliding mode, the left end of each guide slide rod is located in the linkage groove, a return spring is fixedly arranged between the lower end face of each guide slide rod and the inner wall of the lower side of the placing groove and the linkage groove, the; the threaded rod rotates to further drive the sliding box to slide along the direction of the guide sliding rod, and further drive the workpiece to be processed.

Beneficially, a linkage worm wheel is fixedly connected between the two threaded sliding plates on the Tang's threaded rod, a linkage worm is rotatably connected to the inner wall of the lower side of a worm wheel cavity, the linkage worm is meshed with the linkage worm wheel, the lower end of the linkage worm is located in the guide cavity and fixedly connected with a linkage gear, fixing racks are fixedly connected to the front inner side wall and the rear inner side wall of the guide cavity, a spline hole with a downward opening is formed in the lower end face of the linkage worm, a linkage shaft is slidably arranged in the spline hole, a thrust spring is fixedly connected between the upper end face of the linkage shaft and the inner wall of the upper side of the spline hole, a cleaning rod is fixedly connected to the lower end of the linkage shaft, and the cleaning rod abuts against the; when the sliding box slides downwards, the linkage worm is driven to slide downwards through the linkage worm, so that the linkage gear is meshed with the fixed rack on the rear side, when the sliding box moves, the linkage worm is driven to rotate through the linkage gear, the Thangs threaded rod is driven to rotate through the linkage worm wheel, the workpiece is clamped tightly, the linkage worm rotates while driving the linkage shaft to rotate, the cleaning rod is driven to rotate, waste scraps falling in the guide cavity are cleaned, and when the linkage gear is meshed with the fixed rack on the front side, the linkage worm is driven to rotate in the reverse direction, and the workpiece is loosened.

Beneficially, a transmission shaft is rotatably connected to the lower side of the linkage groove, two adjusting bevel gears are fixedly connected to the transmission shaft, a connecting bevel gear is fixedly connected to the left end of the threaded rod, the connecting bevel gear is located between the two adjusting bevel gears, a power cavity is arranged on the lower side of the guide cavity in the machine tool body, the lower end of the transmission shaft is located in the power cavity and fixedly connected with a rotating bevel gear, a power motor is fixedly arranged on the inner wall of the left side of the power cavity, the left end of the power output shaft is located in the power cavity and is in power connection with the right end face of the power motor, two transmission bevel gears are fixedly connected to one section of the power cavity on the power output shaft, and the transmission bevel gear on the left side is meshed with the rotating; starting a power motor, driving a transmission bevel gear to rotate through a power output shaft, driving a transmission shaft to rotate through rotating the bevel gear, driving a linking bevel gear to rotate through adjusting the bevel gear, driving a threaded rod to rotate, driving the threaded rod to rotate when the adjusting bevel gear on the upper side is meshed with the linking bevel gear, and driving the threaded rod to rotate reversely when the adjusting bevel gear on the lower side is meshed with the linking bevel gear.

Beneficially, a driven bevel gear is fixedly connected to the upper end of the sliding milling cutter, a driving bevel gear is fixedly connected to a section, located in the linkage cavity, of the sliding guide sleeve, the driving bevel gear is meshed with the driven bevel gear, synchronous gears are fixedly connected to the reciprocating lead screw and the rear side of the threaded sliding block on the spline shaft, the two synchronous gears are meshed, a bevel gear cavity is formed in the support column, the rear end of the spline shaft is located in the bevel gear cavity and fixedly connected with an input bevel gear, a power shaft is rotatably arranged on the inner wall of the lower side of the bevel gear cavity, two output bevel gears are fixedly connected to the power shaft, and the output bevel gear on the upper side is meshed with the input bevel gear; the power shaft rotates, and then drives input bevel gear through output bevel gear and rotates, and then drives the slip guide pin bushing through the integral key shaft and rotates, and then drives driven bevel gear through initiative bevel gear and rotates, and then drives the rotation of sliding milling cutter, and then processes the work piece, drives reciprocal lead screw through synchronous gear and rotates when the integral key shaft rotates, and then drives the screw thread slider through reciprocal lead screw and slides.

Beneficially, a synchronous rotating shaft is rotatably connected to the inner wall of the rear side of the power cavity on the front side of the bevel gear cavity, the rear end of the synchronous rotating shaft is located in the bevel gear cavity and fixedly connected with a matching bevel gear, the matching bevel gear is meshed with the output bevel gear on the lower side, the front end of the synchronous rotating shaft is fixedly connected with a linkage bevel gear, and the linkage bevel gear is meshed with the transmission bevel gear on the right side; the power output shaft rotates, then drives the linkage bevel gear to rotate through the transmission bevel gear on the right side, then drives the cooperation bevel gear to rotate through the synchronous rotating shaft, and then drives the power shaft to rotate through the output bevel gear, and then drives the sliding milling cutter to rotate, and the work piece is processed.

The invention has the beneficial effects that: when the milling machine is used for milling the plane of a workpiece, the workpiece is automatically clamped and driven to move rightwards, meanwhile, the sliding milling cutter is moved forwards and backwards, so that the plane milling operation of the workpiece is realized, the workpiece is automatically loosened after the processing is finished, the initial state is automatically recovered after the workpiece is taken away, the next workpiece is processed and loosened, the operation steps of workers are reduced, simultaneously, scraps can be automatically discharged, and the difficulty of removing the scraps by the workers is reduced.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view showing the overall structure of a milling machine with a self-cleaning function and capable of automatically clamping and unclamping a workpiece according to the present invention.

FIG. 2 is an enlarged schematic view of A in FIG. 1;

FIG. 3 is an enlarged schematic view of B of FIG. 1;

FIG. 4 is a schematic diagram of the structure of C-C in FIG. 1;

FIG. 5 is a schematic diagram of D-D of FIG. 1;

FIG. 6 is a schematic diagram of the structure of E-E in FIG. 1;

fig. 7 is a schematic view of the structure of F-F in fig. 2.

Detailed Description

The invention will now be described in detail with reference to fig. 1 to 7, for the sake of convenience of description, the following orientations are now defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The milling machine with the self-cleaning function and the automatic workpiece clamping and loosening function comprises a machine tool body 11, wherein a guide cavity 14 with an upward opening is arranged in the machine tool body 11, a sliding box 39 is arranged in the guide cavity 14 in a left-right sliding mode, a workpiece groove 52 with an upward opening is arranged in the sliding box 39, two sliding clamping blocks 43 are arranged in the workpiece groove 52 in a sliding mode, U-shaped cavities 45 are symmetrically arranged in the sliding box 39 on the left side and the right side of the workpiece groove 52 in a left-right sliding mode, push rods 44 are arranged in the U-shaped cavities 45 in a left-right sliding mode, one ends, close to the workpiece groove 52, of the push rods 44 on the left side and the right side are fixedly connected to the end faces of the corresponding sliding clamping blocks 43 respectively, a worm wheel cavity 47 is arranged in the sliding box 39 on the lower side of the workpiece groove 52, a Thangshi threaded rod 51 is rotatably connected between the left inner side wall and the right inner side wall of the worm wheel cavity 47, two, the two back-to-back end surfaces of the two threaded sliding plates 48 are fixedly connected with a linkage rod 46, the linkage rod 46 is positioned on the upper side of the Tang's threaded rod 51 and is in sliding fit with the corresponding U-shaped cavity 45, the front side and the back side of the worm wheel cavity 47 on the inner wall of the lower side of the workpiece groove 52 are respectively communicated with a chip removal channel 67 with a downward opening, and the chip removal channel 67 is communicated with the guide cavity 14; a support column 30 is fixedly connected to the upper end surface of the machine tool body 11 at the rear side of the guide cavity 14, a reciprocating lead screw 32 and a spline shaft 28 are rotatably connected to the front end surface of the support column 30, the spline shaft 28 is located at the lower side of the reciprocating lead screw 32, a threaded slider 31 is in threaded connection with the reciprocating lead screw 32, a linkage cavity 33 is arranged in the threaded slider 31, a sliding guide sleeve 29 is rotatably connected to the linkage cavity 33 in a front-back through manner, the sliding guide sleeve 29 is in splined connection with the spline shaft 28, a sliding milling cutter 35 is rotatably connected to the inner wall of the lower side of the linkage cavity 33, and the lower end of the sliding milling cutter 35 is located at the lower; a chip removal hole 17 with a right opening is formed in the lower side of the guide cavity 14 in the machine tool body 11, the chip removal hole 17 is communicated with the guide cavity 14 through a communication hole 19, a power output shaft 13 is rotatably connected to the inner wall of the left side of the chip removal hole 17, and a spiral blade 18 is fixedly connected to the power output shaft 13; the workpiece is placed between two sliding clamping blocks 43 in a workpiece groove 52, then a sliding box 39 moves rightwards, then a Down's threaded rod 51 rotates to drive two threaded sliding plates 48 to slide back and forth, then the threaded sliding plates 48 drive a linkage rod 46 to slide, further the push rod 44 drives the sliding clamping blocks 43 to slide, further the workpiece is clamped, then a reciprocating screw 32 drives a threaded sliding block 31 to move back and forth, a spline shaft 28 drives a sliding milling cutter 35 to rotate, further the workpiece is processed through the sliding milling cutter 35, scraps generated during processing are conveyed into a guide cavity 14 through a scrap discharge channel 67, then the scraps are conveyed into a scrap discharge hole 17 through a communication hole 19, and further the scraps are conveyed to the outside under the drive of a spiral blade 18, clamping and loosening of the workpiece are automatically realized, operation steps of workers are reduced, and direct scrap removal is facilitated.

Advantageously, the inner wall of the guide chamber 14 on the left side is provided with a linkage groove 36 with a right opening, the inner wall of the right side is provided with a placing groove 23 with a left opening, the linkage groove 36 and the inner wall of the upper side of the placing groove 23 are both provided with a slide bar hole 25 with a downward opening, a supporting slide bar 24 is arranged in the slide bar hole 25 in a sliding way, a traction spring 26 is fixedly arranged between the upper end surface of the supporting slide bar 24 and the inner wall of the upper side of the slide bar hole 25, a threaded rod 22 is connected between the two supporting slide bars 24 in a penetrating and rotating way, two guide slide bars 21 are arranged in the placing groove 23 for preventing the front and the back from sliding, the left ends of the guide slide bars 21 are positioned in the linkage groove 36, a return spring 20 is fixedly arranged between the lower end surface of the guide slide bar 21 and the inner wall of the lower side of the placing groove 23 and the linkage groove 36, the sliding box 39 is in threaded connection with the threaded rod 22, and the sliding box 39 is in sliding fit with the two guide slide bars 21; the threaded rod 22 rotates to drive the slide box 39 to slide along the direction of the guide slide bar 21, and further drive the workpiece to be processed.

Beneficially, a linkage worm wheel 50 is fixedly connected between the two threaded sliding plates 48 on the down-ward threaded rod 51, a linkage worm 49 is rotatably connected on the inner wall of the lower side of the worm wheel cavity 47, the linkage worm 49 is meshed with the linkage worm wheel 50, the lower end of the linkage worm 49 is located in the guide cavity 14 and fixedly connected with a linkage gear 58, fixed racks 54 are fixedly connected on the inner side walls of the front and the rear of the guide cavity 14, a spline hole 57 with a downward opening is arranged on the lower end surface of the linkage worm 49, a linkage shaft 56 is slidably arranged in the spline hole 57, a thrust spring 53 is fixedly connected between the upper end surface of the linkage shaft 56 and the inner wall of the upper side of the spline hole 57, a cleaning rod 55 is fixedly connected to the lower end of the linkage shaft 56, and the cleaning rod 55 abuts against the inner wall of the lower; when the sliding box 39 slides downwards, the linkage worm gear 49 drives the linkage gear 58 to slide downwards, so that the linkage gear 58 is meshed with the fixed rack 54 at the rear side, when the sliding box 39 moves, the linkage worm gear 49 is driven to rotate through the linkage gear 58, the Thangs threaded rod 51 is driven to rotate through the linkage worm wheel 50, the workpiece is clamped, the linkage worm 49 rotates and simultaneously drives the linkage shaft 56 to rotate, the cleaning rod 55 is driven to rotate, waste scraps falling in the guide cavity 14 are cleaned, and when the linkage gear 58 is meshed with the fixed rack 54 at the front side, the linkage worm 49 is driven to rotate reversely, and the workpiece is loosened.

Beneficially, a transmission shaft 40 is rotatably connected to the lower side of the linkage groove 36, two adjusting bevel gears 37 are fixedly connected to the transmission shaft 40, a connecting bevel gear 38 is fixedly connected to the left end of the threaded rod 22, the connecting bevel gear 38 is located between the two adjusting bevel gears 37, a power cavity 65 is arranged on the lower side of the guide cavity 14 in the machine tool body 11, the lower end of the transmission shaft 40 is located in the power cavity 65 and fixedly connected with a rotating bevel gear 41, a power motor 42 is fixedly arranged on the inner wall of the left side of the power cavity 65, the left end of the power output shaft 13 is located in the power cavity 65 and is dynamically connected to the right end face of the power motor 42, two transmission bevel gears 12 are fixedly connected to a section of the power cavity 65 on the power output shaft 13, and the transmission bevel gear 12 on the left side is engaged with the rotating bevel gear 41; the power motor 42 is started, and then the power output shaft 13 drives the transmission bevel gear 12 to rotate, and then the transmission shaft 40 is driven to rotate by rotating the bevel gear 41, and then the adjustment bevel gear 37 drives the engagement bevel gear 38 to rotate, and then the threaded rod 22 is driven to rotate, when the adjustment bevel gear 37 at the upper side is meshed with the engagement bevel gear 38, the threaded rod 22 is driven to rotate positively, and when the adjustment bevel gear 37 at the lower side is meshed with the engagement bevel gear 38, the threaded rod 22 is driven to rotate negatively.

Beneficially, a driven bevel gear 27 is fixedly connected to the upper end of the slide milling cutter 35, a driving bevel gear 34 is fixedly connected to a section of the slide guide sleeve 29 inside the linkage cavity 33, the driving bevel gear 34 is engaged with the driven bevel gear 27, synchronous gears 60 are fixedly connected to the reciprocating screw shaft 32 and the spline shaft 28 on the rear side of the threaded slider 31, the two synchronous gears 60 are engaged, a bevel gear cavity 61 is arranged inside the support column 30, the rear end of the spline shaft 28 is located inside the bevel gear cavity 61 and fixedly connected with an input bevel gear 59, a power shaft 63 is rotatably arranged on the inner wall of the lower side of the bevel gear cavity 61, two output bevel gears 62 are fixedly connected to the power shaft 63, and the output bevel gear 62 on the upper side is engaged with the input bevel gear 59; the power shaft 63 rotates, and then the input bevel gear 59 rotates through the output bevel gear 62, and then the sliding guide sleeve 29 rotates through the spline shaft 28, and then the driven bevel gear 27 rotates through the driving bevel gear 34, and then the sliding milling cutter 35 rotates, and then the workpiece is processed, and the reciprocating lead screw 32 rotates through the synchronous gear 60 while the spline shaft 28 rotates, and then the threaded sliding block 31 slides through the reciprocating lead screw 32.

Beneficially, a synchronous rotating shaft 64 is rotatably connected to the inner wall of the rear side of the power cavity 65 at the front side of the bevel gear cavity 61, the rear end of the synchronous rotating shaft 64 is located in the bevel gear cavity 61 and fixedly connected with a matching bevel gear 66, the matching bevel gear 66 is meshed with the output bevel gear 62 at the lower side, the front end of the synchronous rotating shaft 64 is fixedly connected with a linkage bevel gear 15, and the linkage bevel gear 15 is meshed with the transmission bevel gear 12 at the right side; the power output shaft 13 rotates, and then the drive bevel gear 12 on the right side drives the linkage bevel gear 15 to rotate, and then the synchronous rotating shaft 64 drives the matching bevel gear 66 to rotate, and then the output bevel gear 62 drives the power shaft 63 to rotate, and then the sliding milling cutter 35 is driven to rotate, so as to process the workpiece.

The following describes in detail the use steps of a milling machine with a self-cleaning function and automatic clamping and unclamping of a workpiece according to the present invention with reference to fig. 1 to 7:

initially, the sliding box 39 is located at the left limit position, the engaging bevel gear 38 is meshed with the adjusting bevel gear 37 on the upper side, the distance between the two sliding clamping blocks 43 is the largest, the distance between the two threaded sliding plates 48 is the smallest, hydraulic oil is placed in the U-shaped cavity 45, and the linkage gear 58 is not meshed with the fixed rack 54;

the workpiece is placed between two sliding clamping blocks 43 in a workpiece groove 52, so that a sliding box 39 slides downwards under the action of the gravity of the workpiece, a connecting bevel gear 38 is meshed with an adjusting bevel gear 37 on the lower side, a linkage gear 58 is driven to move downwards through a linkage worm 49, the linkage gear 58 is meshed with a fixed rack 54, then a power motor 42 is started, a transmission bevel gear 12 on the left side is driven to rotate through a power output shaft 13, a transmission shaft 40 is driven to rotate through a rotating bevel gear 41, the connecting bevel gear 38 is driven to rotate through an adjusting bevel gear 37 on the lower side, a threaded rod 22 is driven to rotate, the threaded rod 22 rotates in the reverse direction, the sliding box 39 is driven to move rightwards through the threaded rod 22, the linkage gear 58 is driven to rotate through the fixed rack 54, the linkage worm 49 is driven to rotate, and a Thangler threaded rod 51 is driven to, the Thangs threaded rod 51 rotates to drive the two threaded sliding plates 48 to slide in an opposite way, and then the threaded sliding plates 48 drive the linkage rod 46 to slide, and due to the existence of hydraulic oil in the U-shaped cavity 45, the push rod 44 drives the sliding clamping blocks 43 to slide in opposite directions, so that a workpiece is clamped, when the linkage gear 58 is not meshed with the fixed rack 54, the workpiece is completely clamped, and due to the self-locking property between the linkage worm 49 and the linkage worm wheel 50, the workpiece cannot be loosened during processing;

the power output shaft 13 rotates and simultaneously drives the right-side transmission bevel gear 12 to rotate, the right-side transmission bevel gear 12 drives the linkage bevel gear 15 to rotate, the synchronization rotating shaft 64 drives the matching bevel gear 66 to rotate, the output bevel gear 62 drives the power shaft 63 to rotate, the input bevel gear 59 drives the spline shaft 28 to rotate, the sliding guide sleeve 29 drives the driving bevel gear 34 to rotate, the driven bevel gear 27 drives the sliding milling cutter 35 to rotate, the workpiece is machined, the spline shaft 28 rotates and simultaneously drives the reciprocating lead screw 32 to rotate through the synchronization gear 60, the threaded slider 31 is driven to slide on the reciprocating lead screw 32, the threaded slider 31 drives the sliding milling cutter 35 to slide, and the workpiece is machined forwards and backwards while moving to the right;

the scrap generated after the workpiece is machined by the sliding milling cutter 35 falls into the guide cavity 14 through the scrap discharge channel 67, the linkage worm 49 rotates and drives the cleaning rod 55 to rotate through the linkage shaft 56, the scrap at the upper corner of the inner wall of the lower side of the guide cavity 14 is further removed through the cleaning rod 55, when the linkage worm 49 does not rotate, the cleaning rod 55 is driven to move rightwards, the scrap generated during machining is further swept to the right side of the guide cavity 14 and conveyed into the scrap discharge hole 17 through the communicating hole 19, the spiral blade 18 is driven to rotate when the power output shaft 13 rotates, and the scrap is further conveyed to the outside under the driving of the spiral blade 18, so that the cleaning is convenient;

when the linkage gear 58 is meshed with the fixed rack 54 on the front side, the linkage gear 58 rotates reversely at the moment, then the linkage worm gear 49 drives the linkage worm gear 50 to rotate reversely, then the two sliding clamping blocks 43 slide oppositely, further the machined workpiece is conveniently taken out, then the sliding box 39 slides upwards under the elastic action of the reset spring 20, the linking bevel gear 38 is meshed with the adjusting bevel gear 37 on the upper side, at the moment, the threaded rod 22 rotates forwards, and then the sliding box 39 is driven to slide leftwards to recover the initial state.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a from milling machine of taking clean function and self-holding and unclamping work piece, includes the lathe bed body, its characterized in that: a guide cavity with an upward opening is arranged in the machine tool body, a sliding box is arranged in the guide cavity in a left-right sliding manner, a workpiece groove with an upward opening is arranged in the sliding box, two sliding clamping blocks are arranged in the workpiece groove in a sliding manner, U-shaped cavities are symmetrically arranged on the left side and the right side of the workpiece groove in the sliding box, push rods are arranged in the U-shaped cavities in a left-right sliding manner, one ends, close to the workpiece groove, of the push rods on the left side and the right side are respectively and fixedly connected to the end surfaces of the corresponding sliding clamping blocks, a worm wheel cavity is arranged on the lower side of the workpiece groove in the sliding box, a Thangler threaded rod is rotatably connected between the left inner side wall and the right inner side wall of the worm wheel cavity, two threaded sliding plates are in threaded connection with each other, a linkage rod is fixedly connected to the end surfaces of the two threaded sliding plates which are opposite to each other, the linkage, a chip removal channel with a downward opening is respectively communicated with the front side and the rear side of the worm wheel cavity on the inner wall of the lower side of the workpiece groove, and the chip removal channel is communicated with the guide cavity; a support column is fixedly connected to the upper end surface of the machine tool body at the rear side of the guide cavity, a reciprocating screw and a spline shaft are rotatably connected to the front end surface of the support column, the spline shaft is located on the lower side of the reciprocating screw, a threaded slider is in threaded connection with the reciprocating screw, a linkage cavity is arranged in the threaded slider, a sliding guide sleeve is rotatably connected in the linkage cavity in a front-back through manner, the sliding guide sleeve is in splined connection with the spline shaft, a sliding milling cutter is rotatably connected to the inner wall of the lower side of the linkage cavity, and the lower end of the sliding milling cutter is located on the lower side; the chip removal hole with the opening right is arranged on the lower side of the guide cavity in the machine tool body and communicated with the guide cavity through a communication hole, a power output shaft is rotatably connected to the inner wall of the left side of the chip removal hole, and a spiral blade is fixedly connected to the power output shaft.

2. A milling machine with a self-cleaning function for automatically clamping and releasing a workpiece as claimed in claim 1, wherein: the guide cavity comprises a guide cavity, and is characterized in that a linkage groove with a rightward opening is formed in the inner wall on the left side of the guide cavity, a placing groove with a leftward opening is formed in the inner wall on the right side, a slide bar hole with a downward opening is formed in the inner wall on the upper side of the placing groove, a support slide bar is arranged in the slide bar hole in a sliding manner, a traction spring and a threaded rod are fixedly arranged between the upper end face of the support slide bar and the inner wall on the upper side of the slide bar hole, two traction springs and two traction rods are fixedly arranged between the support slide bars, a threaded rod is connected with the support slide bar in a penetrating manner, two guide slide bars are arranged in the placing groove in a front-back sliding manner, the left end of each guide slide bar is located in the linkage groove, a lower end face of each guide slide bar is.

3. A milling machine with a self-cleaning function for automatically clamping and releasing a workpiece as claimed in claim 2, wherein: the feed mechanism is characterized in that a linkage worm wheel is fixedly connected between the threaded sliding plates on the Tang's threaded rod, a linkage worm is rotatably connected to the inner wall of the lower side of a worm wheel cavity, the linkage worm is meshed with the linkage worm wheel, the lower end of the linkage worm is located in the guide cavity and is fixedly connected with the linkage gear, fixing racks are fixedly connected to the inner side wall of the guide cavity front and back, a splined hole with a downward opening is formed in the lower end face of the linkage worm, a linkage shaft is arranged in the splined hole in a sliding mode, the upper end face of the linkage shaft is fixedly connected with a thrust spring between the inner walls of the upper sides of the splined hole, a cleaning rod is fixedly connected with the lower end of the linkage shaft, and.

4. A milling machine with a self-cleaning function for automatically clamping and releasing a workpiece as claimed in claim 3, wherein: the utility model discloses a power transmission device, including linkage groove, drive shaft, connecting bevel gear, power cavity, power output shaft, power cavity, power shaft, connecting bevel gear, power cavity, power motor, power output shaft, power shaft, transmission bevel gear, transmission shaft, guide bevel gear.

5. A milling machine with a self-cleaning function for automatically clamping and releasing a workpiece as claimed in claim 4, wherein: the upper end rigid coupling of slip milling cutter has driven bevel gear, slip leading collar in one section rigid coupling in the linkage intracavity has drive bevel gear, drive bevel gear with driven bevel gear meshes, reciprocal lead screw on the integral key shaft in the equal rigid coupling in rear side of screw slider has synchronizing gear, two synchronizing gear meshes, be equipped with the bevel gear chamber in the support column, the rear end of integral key shaft is located bevel gear intracavity and rigid coupling have input bevel gear, it is equipped with the power shaft to rotate on the lower side inner wall in bevel gear chamber, the last rigid coupling of power shaft has two output bevel gears, the upside output bevel gear with input bevel gear meshes.

6. A milling machine with self-cleaning function and automatic clamping and unclamping of workpieces as claimed in claim 5, characterized in that: the bevel gear transmission mechanism is characterized in that a synchronous rotating shaft is rotatably connected to the front side of the bevel gear cavity on the inner wall of the rear side of the power cavity, the rear end of the synchronous rotating shaft is located in the bevel gear cavity and fixedly connected with a matching bevel gear, the matching bevel gear is meshed with the output bevel gear on the lower side, a linkage bevel gear is fixedly connected to the front end of the synchronous rotating shaft, and the linkage bevel gear is meshed with the transmission bevel gear on the right side.