CN107414153B - Radial milling flutes device of cylinder work piece terminal surface - Google Patents
Radial milling flutes device of cylinder work piece terminal surface Download PDFInfo
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- CN107414153B CN107414153B CN201710847388.2A CN201710847388A CN107414153B CN 107414153 B CN107414153 B CN 107414153B CN 201710847388 A CN201710847388 A CN 201710847388A CN 107414153 B CN107414153 B CN 107414153B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
- B23C3/30—Milling straight grooves, e.g. keyways
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/08—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of slides or chutes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model provides a radial milling flutes device of cylinder work piece terminal surface, the on-line screen storage device comprises a base, be provided with the driving box on the base and be located the mounting box of driving box front side, the rectangular hole has been seted up at the mounting box top, the edge is the step structure around the rectangular hole, the front side in the rectangular hole and rear side respectively first slide board and second slide board, the upper portion of first slide board and second slide board respectively with step structure cooperation and through fastening bolt connection, form the sharp slide hole that left side right side is wide between the rear side of first slide board and the front side of second slide board, the narrow straight line slide hole of middle part, the downthehole slip of straight line slide is provided with cylinder work piece anchor clamps subassembly, be provided with the power drive mechanism of drive cylinder work piece anchor clamps subassembly along straight line slide hole side to side in the mounting box. The invention reduces vibration and setback in the horizontal movement process of the workpiece left and right, reduces the abrasion of the clamp, prolongs the service life, and has the advantages of simple structure, convenient use, labor reduction and efficiency improvement.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a radial groove milling device for an end face of a cylindrical workpiece.
Background
The end face of a plurality of cylindrical workpieces is grooved along the radial direction in the processing process, a milling machine is generally adopted for grooving, a clamp for clamping the cylindrical workpieces is arranged on a workbench of the milling machine, the cylindrical workpieces are clamped on the clamp, and the milling machine is operated to perform groove milling operation on the end face of the cylindrical workpieces. By adopting the milling groove operation mode, the operation process of installing and detaching the cylindrical workpiece on and from the clamp is complex, so that more time is wasted and the operation efficiency of milling grooves is affected.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides the radial milling groove device for the end face of the cylindrical workpiece, which is convenient for clamping, automatic discharging and high in milling groove operation efficiency.
In order to solve the technical problems, the invention adopts the following technical scheme: the radial milling groove device for the end face of the cylindrical workpiece comprises a base, a driving box and a mounting box positioned at the front side of the driving box are arranged on the base, a motor and a speed changer are arranged in the driving box, a cantilever beam positioned above the mounting box is fixedly arranged at the top of the driving box along the front-back horizontal direction, a main shaft of the motor is in transmission connection with a power input shaft of the speed changer through a coupling, a power output shaft of the speed changer is coaxially and in transmission connection with a driving shaft, the driving shaft is positioned below the cantilever beam and is parallel to the cantilever beam, a disc type milling cutter is fixedly arranged on the driving shaft, a dovetail groove guide rail is arranged on the cantilever beam along the front-back horizontal direction, a stabilizing block is arranged on the dovetail groove guide rail in a sliding manner, a front-back transparent stabilizing hole is formed in the stabilizing block, a sliding sleeve is arranged in the stabilizing hole, the front end of the driving shaft stretches into and is rotatably connected in the sliding sleeve, and a positioning bolt pressed against the dovetail groove guide rail is in a threaded manner on the stabilizing block;
rectangular holes are formed in the top of the mounting box, step structures are arranged at the edges of the periphery of the rectangular holes, a first slide plate and a second slide plate are arranged on the front side and the rear side of each rectangular hole respectively, the upper parts of the first slide plate and the second slide plate are matched with the step structures respectively and are connected through fastening bolts, a linear slide hole with wide left side and narrow right side and narrow middle part is formed between the rear side of the first slide plate and the front side of the second slide plate, a cylinder workpiece clamp assembly is slidably arranged in the linear slide hole, and a power driving mechanism for driving the cylinder workpiece clamp assembly to move left and right along the linear slide hole is arranged in the mounting box.
The cylindrical workpiece clamp assembly comprises a clamp seat and a profiling clamp, wherein a profiling clamp placing groove with an upward opening is formed in the middle left side of the clamp seat, and the front and rear directions of the profiling clamp placing groove are open;
the profiling clamp comprises two clamping blocks and two compression springs, wherein the rear side wall of the front clamping block and the front side wall of the rear clamping block are respectively provided with a semicircular slot hole penetrating up and down, the semicircular slots of the two clamping blocks are correspondingly arranged front and back and enclose into a workpiece clamping slot hole, the left side and the right side of the semicircular slot holes on the upper part of the two clamping blocks are respectively provided with a spring mounting groove with opposite opening directions, and the front end and the rear end of each compression spring are respectively arranged in the spring mounting groove of the front clamping block and the spring mounting groove of the rear clamping block; under the action of the compression spring, the front side of the clamping block at the front side is in jacking contact with the rear side of the first slideway plate, and the rear side of the clamping block at the rear side is in jacking contact with the front side of the second slideway plate;
the lower parts of the two clamping blocks are arranged in the profiling clamp placing groove, and the left side and the right side of the lower parts of the two clamping blocks are both in sliding connection with the left side wall and the right side wall of the profiling clamp placing groove through dovetail groove structures arranged along the front-back horizontal direction.
Also comprises an automatic blanking mechanism, wherein the automatic blanking mechanism comprises a striker plate, a return spring, a stop block and a push rod component,
the clamp seat is provided with a first blanking hole penetrating the clamp seat downwards at the bottom of the profiling clamp placing groove, a workpiece clamping slotted hole is correspondingly communicated with the first blanking hole from top to bottom, the inside of the clamp seat is provided with a mounting groove communicated with the first blanking hole along the left-right horizontal direction, the right end of the mounting groove is opened and the left end is closed, a striker plate is arranged in the mounting groove, a second blanking hole is arranged on the striker plate on the right side, the diameter of the second blanking hole is larger than that of the first blanking hole, the second blanking hole is staggered left and right with the first blanking hole, the lower surfaces of the front side and the rear side of the right end part of the striker plate are respectively and downwards fixedly connected with a sleeve pipe with the right end being blocked, and the length of the sleeve pipe in the left-right horizontal direction is smaller than that of the striker plate;
the left end of the reset spring is in propping contact with the left side wall in the mounting groove, and the right end of the reset spring extends into the sleeve and is in propping fit with the right end of the sleeve;
the right side wall of the clamp seat is provided with a fixed groove, and the stop block is arranged in the fixed groove and is connected with the right side of the clamp seat through a screw; under the action of a return spring, the right side of the baffle plate is in pressing contact with the left side of the stop block;
the push rod assembly comprises a fixing frame and two push rods, wherein the fixing frame is fixedly connected to the right ends of the first slide rail plate and the second slide rail plate, the two push rods are positioned in the linear slide holes and are horizontally arranged along the left-right direction, the left ends of the push rods are fixedly connected to the fixing frame, and the right ends of the two push rods are respectively provided with the same central line with a sleeve.
The front side and the rear side of the clamp seat are respectively and fixedly connected with a first sliding block forwards and backwards, a first guide groove is formed in the left-right horizontal direction on the rear side of the first slideway plate and the front side of the second slideway plate, and the clamp seat is slidably connected in the first guide groove through the first sliding blocks; the rear side of the clamping block at the rear side and the front side of the clamping block at the front side are fixedly connected with second sliding blocks, the rear side of the first slideway plate and the front side of the second slideway plate are provided with second guide grooves along the left-right horizontal direction, the positions of the second guide grooves are higher than those of the first guide grooves, and the second sliding blocks are slidably connected in the second guide grooves.
The linear sliding hole comprises a first sliding groove, a second sliding groove and a third sliding groove which are sequentially arranged from left to right, the widths of the first sliding groove and the third sliding groove are equal, the width of the second sliding groove is smaller than that of the third sliding groove, a first transition curved surface is arranged between the front side wall and the rear side wall of the right end of the first sliding groove and the front side wall and the rear side wall of the left end of the second sliding groove respectively, and a second transition curved surface is arranged between the front side wall and the rear side wall of the left end of the third sliding groove and the front side wall and the rear side wall of the right end of the second sliding groove respectively; two clamping blocks symmetrically arranged in the front-back direction in the profiling clamp are respectively provided with a clamped part, the clamped parts of the clamping blocks positioned at the front side are arranged in the middle of the front side surface of the front side clamping block in a protruding mode, the left side edge and the right side edge of the clamped parts are respectively provided with a third transition curved surface with the front side surface of the clamping blocks positioned at the front side, and the curvatures of the first transition curved surface, the second transition curved surface and the third transition curved surface are the same.
The right side of the mounting box is open, a material collecting box which is positioned in the mounting box and positioned below the linear sliding hole is placed on the base, the top of the material collecting box is open, and handles are fixedly arranged on the left side and the right side of the material collecting box.
The power driving mechanism is an air cylinder, the cylinder body of the air cylinder is rotationally connected to the right side wall of the left side plate of the mounting box through a left hinge, the right end of a piston rod of the air cylinder is connected to the left bottom of the left side of the clamp seat through a right hinge, the lower part of the right end of the piston rod of the air cylinder is fixedly connected with a touch rod, a first limit switch and a second limit switch which are in touch fit with the lower end of the touch rod are arranged in the mounting box, and the first limit switch and the second limit switch are respectively located below the left side and below the right side of the linear sliding hole.
By adopting the technical scheme, the groove milling operation process comprises the following steps: the mounting box of the invention can not move up and down and back and forth, so the disc milling cutter is required to be selected and regulated before the milling groove operation, the disc milling cutter is arranged on the driving shaft and positioned at the center of the second chute of the linear sliding hole in the front-back direction, and the disc milling cutters with different diameters are selected according to the depth of the milling groove required by the cylindrical workpiece.
Assuming that the profiling clamp is positioned at the first chute at the beginning, a worker puts a cylindrical workpiece to be processed into the profiling clamp, a motor is started, a driving shaft and a disc type milling cutter are driven to rotate at a high speed through a transmission, a cylinder is started at the same time, a piston rod of the cylinder extends to drive the profiling clamp to move along a linear slide Kong Xiangyou, and when the profiling clamp moves from the first chute to the second chute, the linear slide hole is narrowed, two clamping blocks clamp the cylindrical workpiece, and at the moment, a compression spring is compressed; the third transition curved surface is matched with the first transition curved surface, so that the profiling clamp can be stably transited from a loosening state to a clamping state in the linear sliding hole; with the high-speed rotation of the disc-type milling cutter and the rightward movement of the clamped cylindrical workpiece, the disc-type milling cutter radially mills the upper end surface of the cylindrical workpiece into a groove.
After the machining is finished, the profiling clamp continuously moves forwards, moves into the third sliding groove from the second sliding groove, the linear sliding hole is widened, the two clamping blocks of the profiling clamp are sprung open by the compression spring between the two clamping blocks, and the machined cylindrical workpiece is loosened; the third transition curved surface is matched with the second transition curved surface, so that the profiling clamp can be stably transited from a clamping state to a loosening state in the linear sliding hole;
when the machined cylindrical workpiece moves to the right end of the linear sliding hole along with the profiling clamp, the left ends of the two push rods prop against the material baffle plate and push the material baffle plate leftwards, at the moment, the reset spring is compressed, the second blanking hole on the material baffle plate moves leftwards towards the first blanking hole, when the second blanking hole is opposite to the first blanking hole, the machined cylindrical workpiece falls into the material collecting box by self gravity, at the moment, the touch rod at the bottom of the right end of the piston rod touches the second limit switch, the piston rod of the cylinder immediately contracts, the profiling clamp is driven to return leftwards to the first sliding groove, the material baffle plate moves rightwards under the action of the reset spring, and the second blanking hole and the first blanking hole are dislocated again.
When the piston rod of the cylinder moves leftwards until the touch rod touches the first limit switch, the cylinder stops for a few seconds to provide time for workers to load cylindrical workpieces into the workpiece clamping slots, then the cylinder starts, and the piston rod of the cylinder stretches to repeat the operation process.
The expansion speed of the piston rod of the air cylinder can be adjusted through the pressure of compressed air, so that the grooves with different hardness and different processing sizes can be adaptively adjusted, and the service life of the disc milling cutter is effectively prolonged.
In summary, the invention has the following advantages:
according to the invention, the cylinder workpiece clamp assembly can reciprocate in the left-right direction in the linear sliding hole through the driving of the cylinder, the profiling clamp automatically clamps the cylindrical workpiece at the narrower part of the middle part of the linear sliding hole, the cylindrical workpiece is automatically loosened at the wider parts of the left side and the right side of the linear sliding hole, and when the machined cylindrical workpiece moves to the right end of the linear sliding hole, the two push rods in the automatic blanking mechanism prop against the baffle plate and overcome the elastic force of the reset spring to push the baffle plate leftwards, so that after the first blanking hole corresponds to the second blanking hole up and down, the machined cylindrical workpiece automatically falls into the material collecting box downwards through the first blanking hole and the second blanking hole.
The sleeve arranged on the baffle plate is not only used for positioning the return spring, but also can enable the right end of the baffle plate to be always propped against the stop block when the push rod does not prop against the right end of the baffle plate, the first blanking hole and the second blanking hole are staggered, and the baffle plate supports a cylindrical workpiece. The back side and the front side of the clamp seat are fixedly connected with a first sliding block, so that the clamp seat slides in the linear sliding hole to be more stable, a cylindrical workpiece to be processed is not rocked, and the processing quality is improved;
the left side and the right side of two grip blocks lower part all with the left side wall and the right side wall of profile modeling anchor clamps standing groove through along the dovetail structure sliding connection who sets up of horizontal direction around, this not only can make two grip blocks can follow shape anchor clamps standing groove back and forth movement under compression spring's effect, can ensure cylindrical work piece's stability in milling flutes operation in-process moreover. In addition, the clamping blocks of the semicircular slots with different inner diameters can be replaced according to the outer diameter of the cylindrical workpiece to be processed.
The collection box sets up on the base, when collection box case was full, can hold the handle on right side with the collection box pull out the installation case, two people lift the installation case and shift to next station and carry out other processing to cylindrical work piece, convenient and practical.
The first transition curved surface, the second transition curved surface and the third transition curved surface are arranged on the clamping block, so that vibration and setbacks generated when the profiling clamp is in the linear slide hole in a clamping and loosening state can be reduced, meanwhile, the transition curved surfaces are smooth surfaces, abrasion of the profiling clamp and the linear slide hole can be reduced, and the service life is prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a right side schematic view of FIG. 1;
FIG. 4 is an enlarged partial schematic view at A in FIG. 2;
FIG. 5 is an enlarged partial schematic view at B in FIG. 3
FIG. 6 is a schematic perspective view of a clamp base according to the present invention;
fig. 7 is a schematic perspective view of a striker plate and return spring of the present invention.
Detailed Description
As shown in fig. 1-7, the radial slot milling device for the end face of a cylindrical workpiece comprises a base 1, wherein a driving box 2 and a mounting box 3 positioned at the front side of the driving box 2 are arranged on the base 1, a motor and a speed changer are arranged in the driving box 2, a cantilever beam 4 positioned above the mounting box 3 is fixedly arranged at the top of the driving box 2 along the front-back horizontal direction, a main shaft of the motor is in transmission connection with a power input shaft of the speed changer through a coupling, a power output shaft of the speed changer is in coaxial transmission connection with a driving shaft 5, the driving shaft 5 is positioned below the cantilever beam 4 and parallel to the cantilever beam 4, a disc type milling cutter 6 is fixedly arranged on the driving shaft 5, a dovetail groove guide rail 7 is arranged on the cantilever beam 4 along the front-back horizontal direction, a stabilizing block 8 is arranged on the dovetail groove guide rail 7 in a sliding way, a front-back transparent stabilizing hole is formed in the stabilizing block 8, the front end of the driving shaft 5 extends into and is in rotation connection with a sliding sleeve, and a positioning bolt 50 in top-pressing with the dovetail groove guide rail 7 is in a threaded connection manner; since the front end of the driving shaft 5 is of a cantilever structure, a stabilizing block 8 is provided to ensure stability of the disc cutter 6 during operation.
Rectangular holes are formed in the top of the mounting box 3, step structures are arranged at the edges of the periphery of the rectangular holes, a first slideway plate 9 and a second slideway plate 10 are arranged on the front side and the rear side of each rectangular hole, the upper parts of the first slideway plate 9 and the second slideway plate 10 are respectively matched with the step structures and are connected through fastening bolts 11, linear sliding holes with wide left side and narrow middle part are formed between the rear side of the first slideway plate 9 and the front side of the second slideway plate 10, a cylinder workpiece clamp assembly is slidably arranged in the linear sliding holes, and a power driving mechanism for driving the cylinder workpiece clamp assembly to move left and right along the linear sliding holes is arranged in the mounting box 3.
The cylindrical workpiece clamp assembly comprises a clamp seat 12 and a profiling clamp, wherein a profiling clamp placing groove 13 with an upward opening is formed in the middle left side of the clamp seat 12, and the profiling clamp placing groove 13 is open in the front-rear direction;
the profiling clamp comprises two clamping blocks 14 and two compression springs 15, wherein semicircular slots penetrating up and down are formed in the rear side wall of the front clamping block 14 and the front side wall of the rear clamping block 14, the semicircular slots of the two clamping blocks 14 are correspondingly arranged front and back and enclose a workpiece clamping slot 16, spring mounting grooves 17 with opposite opening directions are formed in the left side and the right side of the semicircular slots on the upper side of the two clamping blocks 14, and the front ends and the rear ends of the compression springs 15 are respectively mounted in the spring mounting grooves 17 of the front clamping block 14 and the spring mounting grooves 17 of the rear clamping block 14; under the action of the compression spring 15, the front side of the front clamping block 14 is in jacking contact with the rear side of the first slideway plate 9, and the rear side of the rear clamping block 14 is in jacking contact with the front side of the second slideway plate 10;
the lower parts of the two clamping blocks 14 are arranged in the profiling clamp placing groove 13, and the left side and the right side of the lower parts of the two clamping blocks 14 are both in sliding connection with the left side wall and the right side wall of the profiling clamp placing groove 13 through dovetail groove structures 18 arranged along the front-back horizontal direction.
The invention also comprises an automatic blanking mechanism which comprises a striker plate 19, a return spring 20, a stop block 21 and a push rod component,
the clamp seat 12 is provided with a first blanking hole 22 penetrating through the clamp seat 12 downwards at the bottom of the profiling clamp placing groove 13, a workpiece clamping slotted hole 16 is correspondingly communicated with the first blanking hole 22 up and down, the inside of the clamp seat 12 is provided with a mounting groove 23 communicated with the first blanking hole 22 along the left-right horizontal direction, the right end of the mounting groove 23 is opened and the left end is closed, a baffle plate 19 is arranged in the mounting groove 23, a second blanking hole 24 is arranged on the baffle plate 19 on the right side, the diameter of the second blanking hole 24 is larger than that of the first blanking hole 22, the second blanking hole 24 is staggered left and right with the first blanking hole 22, the lower surfaces of the front side and the rear side of the right end of the baffle plate 19 are respectively and downwards fixedly connected with a sleeve 25 with the right end being blocked, and the length of the sleeve 25 in the left-right horizontal direction is smaller than that of the baffle plate 19;
the reset spring 20 is arranged in the mounting groove 23 in a left-right horizontal direction, two reset springs are arranged in a front-back symmetrical mode, the left end of the reset spring 20 is in jacking contact with the left side wall in the mounting groove 23, and the right end of the reset spring 20 extends into the sleeve 25 and is in jacking fit with the right end of the sleeve 25;
a fixed groove 26 is formed in the right side wall of the clamp seat 12, and a stop block 21 is arranged in the fixed groove 26 and is connected with the right side of the clamp seat 12 through a screw 27; under the action of the return spring 20, the right side edge of the striker plate 19 is in pressing contact with the left side surface of the stop block 21;
the push rod assembly comprises a fixing frame 28 and two push rods 29, wherein the fixing frame 28 is fixedly connected to the right ends of the first slide rail plate 9 and the second slide rail plate 10, the two push rods 29 are positioned in the linear slide holes and are horizontally arranged along the left-right direction, the left ends of the push rods 29 are fixedly connected to the fixing frame 28, and the right ends of the two push rods 29 are respectively provided with the same central line with one sleeve 25.
The front side and the rear side of the clamp seat 12 are respectively and fixedly connected with a first sliding block 30 forwards and backwards, a first guide groove is formed in the left-right horizontal direction on the rear side of the first slideway plate 9 and the front side of the second slideway plate 10, and the clamp seat 12 is slidably connected in the first guide groove through the first sliding block 30; the rear side of the clamping block 14 at the rear side and the front side of the clamping block 14 at the front side are fixedly connected with a second sliding block 31, the rear side of the first slideway plate 9 and the front side of the second slideway plate 10 are provided with second guide grooves along the left-right horizontal direction, the positions of the second guide grooves are higher than those of the first guide grooves, and the second sliding blocks 31 are slidably connected in the second guide grooves.
The linear sliding hole comprises a first sliding groove 32, a second sliding groove 33 and a third sliding groove 34 which are sequentially arranged from left to right, the widths of the first sliding groove 32 and the third sliding groove 34 are equal, the width of the second sliding groove 33 is smaller than that of the third sliding groove 34, a first transition curved surface is arranged between the front side wall and the rear side wall of the right end of the first sliding groove 32 and the front side wall and the rear side wall of the left end of the second sliding groove 33 respectively, and a second transition curved surface is arranged between the front side wall and the rear side wall of the left end of the third sliding groove 34 and the front side wall and the rear side wall of the right end of the second sliding groove 33 respectively; two clamping blocks 14 symmetrically arranged in the front-rear direction in the profiling clamp are respectively provided with a clamped part, the clamped part of the clamping block 14 positioned at the front side is arranged in the middle of the front side surface of the front clamping block in a protruding mode, the left side edge and the right side edge of the clamped part are respectively provided with a third transition curved surface with the front side surface of the clamping block positioned at the front side, and the curvatures of the first transition curved surface, the second transition curved surface and the third transition curved surface are the same.
The right side of the mounting box 3 is open, a collecting box 35 which is positioned in the mounting box 3 and positioned below the linear sliding hole is placed on the base 1, the top of the collecting box 35 is open, and handles 36 are fixedly arranged on the left side and the right side of the collecting box 35.
The power driving mechanism is an air cylinder 37, the cylinder body of the air cylinder 37 is rotationally connected to the right side wall of the left side plate of the mounting box 3 through a left hinge, the right end of a piston rod of the air cylinder 37 is connected with the left side bottom of the clamp seat 12 through a right hinge, the lower part of the right end of the piston rod of the air cylinder 37 is fixedly connected with a touch rod 38, a mechanical first limit switch 39 and a mechanical second limit switch which are in touch fit with the lower end of the touch rod 38 are arranged in the mounting box 3, and the first limit switch 39 and the second limit switch are respectively located below the left side and below the right side of the linear slide hole.
The groove milling operation process of the invention comprises the following steps: the mounting box 3 of the present invention cannot move up and down and back and forth, so that the disc milling cutter 6 needs to be selected and adjusted before the slot milling operation, the disc milling cutter 6 is mounted on the driving shaft 5 and positioned at the center of the second chute 33 of the linear slide hole in the front-back direction, and the disc milling cutters with different diameters are selected according to the depth of the slot milling required by the cylindrical workpiece.
Assuming that the profiling clamp is positioned at the first chute 32 at the beginning, a worker puts a cylindrical workpiece to be processed into the profiling clamp, starts a motor, drives a driving shaft 5 and a disc-type milling cutter to rotate at high speed through a transmission, simultaneously starts a cylinder 37, and the piston rod of the cylinder 37 extends to drive the profiling clamp to move along a linear slide Kong Xiangyou, and when the profiling clamp moves from the first chute 32 to the second chute 33, two clamping blocks clamp the cylindrical workpiece due to the narrowing of a linear slide hole, and at the moment, a compression spring 15 is compressed; the third transition curved surface is matched with the first transition curved surface, so that the profiling clamp can be stably transited from a loosening state to a clamping state in the linear sliding hole; with the high-speed rotation of the disc cutter 6 and the rightward movement of the clamped cylindrical workpiece, the disc cutter 6 radially mills the upper end surface of the cylindrical workpiece into a groove.
After the machining is finished, the profiling clamp continues to move forwards, the profiling clamp moves into the third sliding groove 34 from the second sliding groove 33, the linear sliding hole is widened, the compression spring 15 between the two clamping blocks of the profiling clamp bounces off the two clamping blocks, and the machined cylindrical workpiece is loosened; the third transition curved surface is matched with the second transition curved surface, so that the profiling clamp can be stably transited from a clamping state to a loosening state in the linear sliding hole;
when the machined cylindrical workpiece moves to the right end of the linear sliding hole along with the profiling clamp, the left ends of the two push rods 29 prop against the material baffle 19 and push the material baffle 19 leftwards, at the moment, the reset spring 20 is compressed, the second blanking hole 24 on the material baffle 19 also moves leftwards towards the first blanking hole 22, when the second blanking hole 24 is opposite to the first blanking hole 22, the machined cylindrical workpiece falls into the material collecting box by self gravity, at the moment, the touch rod 38 at the bottom of the right end of the piston rod touches the second limit switch, the piston rod of the cylinder 37 immediately contracts, the profiling clamp is driven to return leftwards into the first sliding groove 32, the material baffle 19 moves rightwards under the action of the reset spring 20, and the second blanking hole 24 and the first blanking hole 22 are dislocated again.
When the piston rod of the air cylinder 37 moves leftward until the touch lever 38 touches the first limit switch 39, the air cylinder 37 is stopped for several seconds, providing time for a worker to load the cylindrical workpiece into the workpiece holding slot 16, and then the air cylinder 37 is started, and the piston rod of the air cylinder 37 is extended to repeat the above-described operation.
The expansion and contraction speed of the piston rod of the air cylinder 37 can be adjusted through the pressure of compressed air, so that the grooves with different hardness and different machining sizes can be adaptively adjusted, and the service life of the disc milling cutter 6 is effectively prolonged.
In summary, the invention has the following advantages:
according to the invention, the cylinder workpiece clamp assembly can be driven by the air cylinder 37 to reciprocate in the left-right direction in the linear sliding hole, the profiling clamp automatically clamps the cylindrical workpiece at the narrower part of the middle part of the linear sliding hole, the cylindrical workpiece is automatically loosened at the wider parts of the left side and the right side of the linear sliding hole, when the machined cylindrical workpiece moves to the right end of the linear sliding hole, the two push rods 29 in the automatic blanking mechanism are propped against the striker plate 19 and overcome the elastic force of the reset spring 20 to push the striker plate 19 leftwards, so that after the first blanking hole 22 and the second blanking hole 24 vertically correspond, the machined cylindrical workpiece automatically falls into the material collecting box downwards through the first blanking hole 22 and the second blanking hole 24, and the cylinder workpiece clamping device has the advantages of simple structure, convenience in use, labor reduction and efficiency improvement.
The sleeve 25 arranged on the baffle plate 19 is not only used for positioning the return spring 20, but also can enable the right end of the baffle plate 19 to be always propped against the stop block 21 when the push rod 29 does not prop against the right end of the baffle plate 19, the first blanking hole 22 and the second blanking hole 24 are staggered, and the baffle plate 19 supports a cylindrical workpiece. The first sliding blocks 30 are fixedly connected to the rear side and the front side of the clamp seat 12, so that the clamp seat 12 slides in the linear sliding holes more stably, and a processed cylindrical workpiece does not shake, so that the processing quality is improved;
the left side and the right side of the lower parts of the two clamping blocks 14 are both in sliding connection with the left side wall and the right side wall of the profiling clamp placing groove 13 through a dovetail groove structure 18 arranged along the front-back horizontal direction, so that the two clamping blocks 14 can move back and forth along the shape clamp placing groove under the action of the compression spring 15, and the stability of a cylindrical workpiece can be ensured in the groove milling operation process. In addition, the clamping blocks 14 of the semicircular slots with different inner diameters can be replaced according to the outer diameter of the cylindrical workpiece to be processed.
The collection box sets up on base 1, and when collection box was full, can hold the handle 36 on right side and pull out the mounting box 3 with collection box, two people lifted mounting box 3 and shift to next station and carry out other processing to cylindrical work piece, convenient and practical.
The present embodiment is not limited in any way by the shape, material, structure, etc. of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present invention are all included in the scope of protection of the technical solution of the present invention.
Claims (4)
1. Radial milling flutes device of cylinder work piece terminal surface, its characterized in that: the device comprises a base, wherein a driving box and an installing box positioned at the front side of the driving box are arranged on the base, a motor and a speed changer are arranged in the driving box, a cantilever beam positioned above the installing box is fixedly arranged at the top of the driving box along the front-back horizontal direction, a main shaft of the motor is in transmission connection with a power input shaft of the speed changer through a coupler, a power output shaft of the speed changer is in coaxial transmission connection with a driving shaft which is positioned below the cantilever beam and parallel to the cantilever beam, a disc-type milling cutter is fixedly arranged on the driving shaft, a dovetail groove guide rail is arranged on the cantilever beam along the front-back horizontal direction, a stabilizing block is arranged on the dovetail groove guide rail in a sliding way, a front-back transparent stabilizing hole is formed in the stabilizing block, a sliding sleeve is arranged in the stabilizing hole, the front end of the driving shaft extends into and is in the sliding sleeve in a rotating way, and a positioning bolt pressed against the dovetail groove guide rail is in threaded connection with the stabilizing block;
the top of the mounting box is provided with a rectangular hole, the peripheral edge of the rectangular hole is of a step structure, the front side and the rear side of the rectangular hole are respectively provided with a first slideway plate and a second slideway plate, the upper parts of the first slideway plate and the second slideway plate are respectively matched with the step structure and are connected through fastening bolts, a linear sliding hole with wide left side and narrow right side and narrow middle part is formed between the rear side of the first slideway plate and the front side of the second slideway plate, a cylinder workpiece clamp assembly is slidably arranged in the linear sliding hole, and a power driving mechanism for driving the cylinder workpiece clamp assembly to move left and right along the linear sliding hole is arranged in the mounting box;
the cylindrical workpiece clamp assembly comprises a clamp seat and a profiling clamp, wherein a profiling clamp placing groove with an upward opening is formed in the middle left side of the clamp seat, and the front and rear directions of the profiling clamp placing groove are open;
the profiling clamp comprises two clamping blocks and two compression springs, wherein the rear side wall of the front clamping block and the front side wall of the rear clamping block are respectively provided with a semicircular slot hole penetrating up and down, the semicircular slots of the two clamping blocks are correspondingly arranged front and back and enclose into a workpiece clamping slot hole, the left side and the right side of the semicircular slot holes on the upper part of the two clamping blocks are respectively provided with a spring mounting groove with opposite opening directions, and the front end and the rear end of each compression spring are respectively arranged in the spring mounting groove of the front clamping block and the spring mounting groove of the rear clamping block; under the action of the compression spring, the front side of the clamping block at the front side is in jacking contact with the rear side of the first slideway plate, and the rear side of the clamping block at the rear side is in jacking contact with the front side of the second slideway plate;
the lower parts of the two clamping blocks are arranged in the profiling clamp placing groove, and the left side and the right side of the lower parts of the two clamping blocks are both in sliding connection with the left side wall and the right side wall of the profiling clamp placing groove through dovetail groove structures arranged along the front-back horizontal direction;
also comprises an automatic blanking mechanism, wherein the automatic blanking mechanism comprises a striker plate, a return spring, a stop block and a push rod component,
the clamp seat is provided with a first blanking hole penetrating the clamp seat downwards at the bottom of the profiling clamp placing groove, a workpiece clamping slotted hole is correspondingly communicated with the first blanking hole from top to bottom, the inside of the clamp seat is provided with a mounting groove communicated with the first blanking hole along the left-right horizontal direction, the right end of the mounting groove is opened and the left end is closed, a striker plate is arranged in the mounting groove, a second blanking hole is arranged on the striker plate on the right side, the diameter of the second blanking hole is larger than that of the first blanking hole, the second blanking hole is staggered left and right with the first blanking hole, the lower surfaces of the front side and the rear side of the right end part of the striker plate are respectively and downwards fixedly connected with a sleeve pipe with the right end being blocked, and the length of the sleeve pipe in the left-right horizontal direction is smaller than that of the striker plate;
the left end of the reset spring is in propping contact with the left side wall in the mounting groove, and the right end of the reset spring extends into the sleeve and is in propping fit with the right end of the sleeve;
the right side wall of the clamp seat is provided with a fixed groove, and the stop block is arranged in the fixed groove and is connected with the right side of the clamp seat through a screw; under the action of a return spring, the right side of the baffle plate is in pressing contact with the left side of the stop block;
the push rod assembly comprises a fixing frame and two push rods, the fixing frame is fixedly connected to the right ends of the first slide rail plate and the second slide rail plate, the two push rods are positioned in the linear slide holes and are horizontally arranged along the left-right direction, the left ends of the push rods are fixedly connected to the fixing frame, and the right ends of the two push rods are respectively provided with the same central line with one sleeve;
the front side and the rear side of the clamp seat are respectively and fixedly connected with a first sliding block forwards and backwards, a first guide groove is formed in the left-right horizontal direction on the rear side of the first slideway plate and the front side of the second slideway plate, and the clamp seat is slidably connected in the first guide groove through the first sliding blocks; the rear side of the clamping block at the rear side and the front side of the clamping block at the front side are fixedly connected with second sliding blocks, the rear side of the first slideway plate and the front side of the second slideway plate are provided with second guide grooves along the left-right horizontal direction, the positions of the second guide grooves are higher than those of the first guide grooves, and the second sliding blocks are slidably connected in the second guide grooves.
2. The cylindrical workpiece end face radial milling groove device according to claim 1, wherein: the linear sliding hole comprises a first sliding groove, a second sliding groove and a third sliding groove which are sequentially arranged from left to right, the widths of the first sliding groove and the third sliding groove are equal, the width of the second sliding groove is smaller than that of the third sliding groove, a first transition curved surface is arranged between the front side wall and the rear side wall of the right end of the first sliding groove and the front side wall and the rear side wall of the left end of the second sliding groove respectively, and a second transition curved surface is arranged between the front side wall and the rear side wall of the left end of the third sliding groove and the front side wall and the rear side wall of the right end of the second sliding groove respectively; two clamping blocks symmetrically arranged in the front-back direction in the profiling clamp are respectively provided with a clamped part, the clamped parts of the clamping blocks positioned at the front side are arranged in the middle of the front side surface of the front side clamping block in a protruding mode, the left side edge and the right side edge of the clamped parts are respectively provided with a third transition curved surface with the front side surface of the clamping blocks positioned at the front side, and the curvatures of the first transition curved surface, the second transition curved surface and the third transition curved surface are the same.
3. The cylindrical workpiece end face radial milling groove device according to claim 1, wherein: the right side of the mounting box is open, a material collecting box which is positioned in the mounting box and positioned below the linear sliding hole is placed on the base, the top of the material collecting box is open, and handles are fixedly arranged on the left side and the right side of the material collecting box.
4. The cylindrical workpiece end face radial milling groove device according to claim 1, wherein: the power driving mechanism is an air cylinder, the cylinder body of the air cylinder is rotationally connected to the right side wall of the left side plate of the mounting box through a left hinge, the right end of a piston rod of the air cylinder is connected to the left bottom of the left side of the clamp seat through a right hinge, the lower part of the right end of the piston rod of the air cylinder is fixedly connected with a touch rod, a first limit switch and a second limit switch which are in touch fit with the lower end of the touch rod are arranged in the mounting box, and the first limit switch and the second limit switch are respectively located below the left side and below the right side of the linear sliding hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710847388.2A CN107414153B (en) | 2017-09-19 | 2017-09-19 | Radial milling flutes device of cylinder work piece terminal surface |
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| CN201710847388.2A CN107414153B (en) | 2017-09-19 | 2017-09-19 | Radial milling flutes device of cylinder work piece terminal surface |
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| CN107414153B true CN107414153B (en) | 2023-05-30 |
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| CN108176976B (en) * | 2018-01-24 | 2024-04-30 | 上海英汇科技发展有限公司 | Mounting mechanism and mounting method for stop washer |
| CN110586997B (en) * | 2019-10-16 | 2024-04-26 | 济宁市中路智能科技有限公司 | Numerical control reinforcing steel bar end face milling machine |
| CN112440135B (en) * | 2020-11-13 | 2022-04-22 | 江苏华阳重工股份有限公司 | Rudder blade machining device capable of being quickly assembled and disassembled |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1226558A (en) * | 1959-02-20 | 1960-07-13 | Mckay Machine Co | End milling machine |
| CN103144147A (en) * | 2013-02-21 | 2013-06-12 | 东阳市新和电子机械有限公司 | Automatic curved surface profiling machine cutting mechanism |
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2017
- 2017-09-19 CN CN201710847388.2A patent/CN107414153B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1226558A (en) * | 1959-02-20 | 1960-07-13 | Mckay Machine Co | End milling machine |
| CN103144147A (en) * | 2013-02-21 | 2013-06-12 | 东阳市新和电子机械有限公司 | Automatic curved surface profiling machine cutting mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 自定心夹紧铣削装置的设计;鲁科良等;《机电技术》(第03期);全文 * |
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