CN114473604A - Machine tool for machining symmetrical workpieces - Google Patents

Machine tool for machining symmetrical workpieces Download PDF

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Publication number
CN114473604A
CN114473604A CN202210336902.7A CN202210336902A CN114473604A CN 114473604 A CN114473604 A CN 114473604A CN 202210336902 A CN202210336902 A CN 202210336902A CN 114473604 A CN114473604 A CN 114473604A
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CN
China
Prior art keywords
machining
tool
screw rod
sliding rail
workpiece
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Granted
Application number
CN202210336902.7A
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Chinese (zh)
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CN114473604B (en
Inventor
吴其干
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Wenling Keyu Automation Equipment Co ltd
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Wenling Keyu Automation Equipment Co ltd
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Priority to CN202210336902.7A priority Critical patent/CN114473604B/en
Publication of CN114473604A publication Critical patent/CN114473604A/en
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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
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22—Feeding members carrying tools or work
    • B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
    • B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
    • B23Q5/402—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw in which screw or nut can both be driven
    • 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
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0042—Devices for removing chips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The application relates to a machine tool for machining a symmetrical workpiece, which comprises an underframe, two machining mechanisms for machining the workpiece and a fixing mechanism for fixing the workpiece, wherein the machining mechanisms comprise tool holders for mounting tool bits and a first driving assembly for driving the tool holders to slide; the tool apron on the two machining mechanisms are driven by the first driving component to move away from or close to each other to slide, and when the tool bit is installed on the tool apron, the tool bits on the two tool apron are opposite; the fixing mechanism is used for fixing the workpiece in the middle of the two tool bits. The fixing mechanism is arranged in the middle of the two tool apron, so that the two sides of the workpiece which is in mirror symmetry can be conveniently machined and can be simultaneously machined, and the machining efficiency and the machining quality are improved; the blocking net and the collecting tank are arranged, so that the workpiece is separated from scraps generated in processing; the control mechanism is arranged to control the rotation of the blocking net, and the blanking port is arranged, so that workpieces can be conveniently blanked, and automatic blanking is realized.

Description

Machine tool for machining symmetrical workpieces
Technical Field
The application relates to the field of workpiece machining equipment, in particular to a machine tool for machining symmetrical workpieces.
Background
Many workpieces are mirror-symmetrical, and when two sides of a workpiece need to be machined, one side is usually machined first, and then the other side is machined, so that the workpiece machining efficiency is low. And during the step-by-step machining of the two sides, due to the change of the positions of the workpieces, the machining positions of the two sides of the workpieces are easy to be staggered, and the quality of the workpieces is influenced.
Disclosure of Invention
In order to improve the machining efficiency of a workpiece with a mirror symmetry shape, the application provides a machine tool for machining the symmetric workpiece.
The application provides a symmetrical lathe for work piece processing adopts following technical scheme:
a machine tool for machining symmetrical workpieces comprises a base frame, two machining mechanisms for machining the workpieces and a fixing mechanism for fixing the workpieces, wherein the machining mechanisms comprise tool holders for mounting tool bits and first driving components for driving the tool holders to slide;
the tool apron on the two machining mechanisms are driven by the first driving component to move away from or close to each other to slide, and when the tool bit is installed on the tool apron, the tool bits on the two tool apron are opposite; the fixing mechanism is used for fixing the workpiece in the middle of the two tool bits.
By adopting the technical scheme, the first driving component can drive the two tool apron to move simultaneously, so that the two tool apron can be far away or close to each other, when the tool bit is arranged on the tool apron, the workpiece is fixed in the middle of the two tool apron by the fixing mechanism, and because the workpiece is in a mirror symmetry shape, the tool bit can simultaneously process two sides of a mirror image of the workpiece, so that the working phase rate is improved; and because the tool bits are opposite to each other, when the workpiece is arranged between the two tool apron, the two sides of the processed shape of the tool bits are the same and are completely symmetrical, so that the processing quality of the workpiece is improved.
Optionally, the first driving assembly includes a sliding seat, a first sliding rail, a first motor and a first lead screw; the first sliding rail is fixed on the top surface of the underframe, the sliding seat is arranged on the first sliding rail in a sliding manner, the first lead screw is rotatably connected to the first sliding rail, the first lead screw is parallel to the length direction of the first sliding rail, the first lead screw is in threaded connection with the sliding seat, the tool apron is arranged on the sliding seat, and the first motor drives the first lead screw to rotate; the length direction of the first screw rod is transverse.
Through adopting above-mentioned technical scheme, when first lead screw of first motor drive rotated, two blade holders slided along two first lead screws for two blade holders are kept away from each other or are close to, and when two blade holders were close to each other, the installation tool bit can be processed the work piece on the blade holder, when the blade holder was kept away from each other, can change the work piece.
Optionally, the processing mechanism further comprises a second driving assembly for driving the tool apron to slide vertically.
Through adopting above-mentioned technical scheme, through setting up second drive assembly for the tool bit is convenient at vertical removal, in order to adjust the position of tool bit, makes the tool bit accurate to the processing position of work piece.
Optionally, the second driving assembly comprises a supporting seat, a second sliding rail, a second motor and a second screw rod; the supporting seat is fixed on the sliding seat, the second sliding rail is fixed on the supporting seat, the tool apron is arranged on the second sliding rail in a sliding mode, the second lead screw is connected to the supporting seat in a rotating mode, the tool apron is connected with the second lead screw in a threaded mode, the length directions of the second lead screw and the second sliding rail are vertical, and the second motor drives the second lead screw to rotate.
Through adopting above-mentioned technical scheme, second motor drive second lead screw rotates for the blade holder is along vertical slip, and second drive assembly simple structure can make the blade holder adjust in the position of vertical direction.
Optionally, the fixing mechanism includes a clamp and a third driving assembly for driving the clamp to slide, the third driving assembly includes a third slide rail, a third screw rod and a third motor, the third slide rail is disposed on the top surface of the underframe, two ends of the third screw rod are rotatably connected to the third slide rail, the third screw rod is in threaded connection with the clamp, and the length directions of the third slide rail and the third screw rod are both perpendicular to the length direction of the first screw rod; and the third motor drives the third screw rod to rotate.
Through adopting above-mentioned technical scheme, third motor drive third lead screw rotates for anchor clamps slide along the direction of length direction vertically with first lead screw. When the machining is carried out, the clamp slides along the length direction of the third screw rod, so that the workpiece can move in the machining process, the second driving component and the second driving component are conveniently matched to drive the tool bit to move, and the machining is realized.
Optionally, a discharge port is formed in the bottom frame, the discharge port is located below the space between the two tool holders, a blocking net is arranged below the discharge port, a leakage hole for the chips to leak is formed in the blocking net, and a collecting groove for collecting the chips is formed below the blocking net.
Through adopting above-mentioned technical scheme, the discharge gate is located the below between two blade holders for the piece that the tool bit produced to work piece processing conveniently drops in discharge gate department, and through setting up the block, makes can directly drop on blocking the net after work piece processing is accomplished, and the piece striking block makes the piece on the work piece further drop, and the piece that the striking also made on the block simultaneously conveniently drops in the collecting vat, makes workpiece surface comparatively clean.
Optionally, a surrounding plate is arranged on the bottom frame, the surrounding plate extends along the circumferential direction of the discharge hole, and a discharge hole is formed in the side wall of the surrounding plate; the blocking net is provided with a rotating shaft, two ends of the rotating shaft are rotatably connected to the enclosing plate, and the underframe is provided with a control mechanism for controlling the rotating shaft to rotate; after the blocking net rotates, the lower end of the blocking net is opposite to the feed opening.
By adopting the technical scheme, after the control mechanism controls the blocking net to rotate around the rotating shaft, the workpiece can slide down from the feed opening because the lower end of the blocking net is opposite to the feed opening. The conveying belt can be arranged at the feed opening, workpieces can be directly fed onto the conveying belt, automatic feeding is achieved, and a digital factory is convenient to manufacture.
Optionally, the control mechanism includes a turntable, a driving source for driving the turntable to rotate, an eccentric column and a reciprocating assembly, the turntable is rotatably connected to the bottom frame, and the eccentric column is fixed to the turntable; the reciprocating assembly comprises a straight rod, a gear fixed at the end part of the straight rod and a rack arranged on the bottom frame in a sliding manner, the axis of the gear is parallel to the axis of the turntable, and the rack is meshed with the gear; a straight groove is formed in the side wall of the straight rod in a penetrating mode, the eccentric column is arranged in the straight groove in a sliding mode, and the center of the gear is rotatably connected to the bottom frame; when the eccentric columns are far away from the blocking net to rotate, the eccentric columns are positioned on one side, close to the gear, in the straight grooves;
the rack is positioned on the outer side of the coaming, and the sliding direction of the rack is a direction far away from or close to the barrier net; the end part of the rack close to the blocking net is provided with a pull rope, the enclosing plate is provided with a rope hole for the pull rope to pass through, one end of the pull rope, far away from the rack, is fixedly connected with the end part of the blocking net, and the pull rope is positioned on one side of the rotating shaft in the radial direction.
Through adopting above-mentioned technical scheme, when control assembly drive block rotated, the driving source drive carousel rotated, was located the straight flute because of the eccentric block for the eccentric block slides and drives gear revolve in the straight flute, and the gear drives the rack and slides, makes the rack keep away from or be close to the block. When the rack is far away from the barrier net, the end part of the barrier net is pulled by the pull rope, so that the barrier net is kept horizontal; when the end part of the rack is close to the blocking net, the end part of the blocking net connecting pull rope is downwards overturned to be aligned with the feed opening through self gravity, and a workpiece on the blocking net can slide out of the feed opening;
when the eccentric columns are far away from the blocking net to rotate, the eccentric columns are positioned on one side, close to the gear, in the straight groove, so that when the control mechanism moves, the sliding of the racks is in a mode of quickly approaching the blocking net and slowly leaving the blocking net, the blocking net is slowly restored to a horizontal state, and a workpiece has sufficient time to slide from the blocking net and slide out from the blanking port; and the slip of rack is for being close to the setting of block fast for the tip descending speed that the block is close to the feed opening is very fast, and inertial reason makes the work piece on the block slide from the block more easily, and is difficult for being blocked by the small opening on the block, makes the work piece unloading smooth and easy.
Optionally, a roller is arranged in the rope hole, and the pull rope is abutted to the wheel surface of the roller.
Through adopting above-mentioned technical scheme, realize turning to of stay cord through setting up the gyro wheel, make the stay cord slide more smoothly, and stay cord wearing and tearing are less.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the fixing mechanism is arranged in the middle of the two tool apron, so that two sides of a workpiece which is in mirror symmetry are convenient to process, and the processing efficiency and the processing quality are improved in a mode that two sides of the workpiece are processed simultaneously;
2. the blocking net and the collecting tank are arranged, so that the workpiece is separated from scraps generated in processing;
3. the control mechanism is arranged to control the rotation of the blocking net, and the blanking port is arranged, so that workpieces can be conveniently blanked, and automatic blanking is realized.
Drawings
Fig. 1 is a first overall schematic view of embodiment 1 of the present application, and mainly shows the structure of a processing mechanism.
Fig. 2 is a second overall schematic view of embodiment 1 of the present application, mainly illustrating the structure of the fixing mechanism.
Fig. 3 is an overall schematic view of embodiment 2 of the present application.
Fig. 4 is a partial cross-sectional view taken along line a-a of fig. 3, showing the configuration of the net, trough and control mechanism, but showing the rack away from the net.
Fig. 5 is a structural illustration of the control mechanism.
Fig. 6 is a second partial sectional view of example 2, showing primarily the rack away from the barrier.
Description of reference numerals: 1. a chassis; 11. a discharge port; 12. mounting a plate; 2. a processing mechanism; 21. a tool apron; 22. a first drive assembly; 221. a sliding seat; 222. a first slide rail; 223. a first motor; 224. a first lead screw; 23. a second drive assembly; 231. a supporting seat; 232. a second slide rail; 233. a second lead screw; 234. a second motor; 3. a fixing mechanism; 31. a clamp; 311. a chuck; 312. a base; 32. a third drive assembly; 321. a third slide rail; 322. a third screw rod; 323. a third motor; 4. enclosing plates; 41. a feeding port; 5. blocking; 51. a rotating shaft; 52. a leak hole; 6. collecting tank; 7. a control mechanism; 71. a turntable; 72. a drive source; 73. an eccentric column; 74. a reciprocating assembly; 741. a straight rod; 742. a gear; 743. a rack; 744. a straight groove; 745. pulling a rope; 8. and a roller.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
Example 1:
the embodiment 1 of the application discloses a machine tool for machining a symmetrical workpiece. Referring to fig. 1, a machine tool for machining a symmetrical workpiece includes a base frame 1, two machining mechanisms 2 provided on the base frame 1, and a fixing mechanism 3.
Referring to fig. 1, the machining mechanism 2 includes a tool holder 21, a first driving unit 22 for driving the tool holder 21 to move in a horizontal direction, and a second driving unit 23 for driving the tool holder 21 to move in a vertical direction. The tool apron 21 is used for mounting a tool bit, and the tool apron 21 is provided with a motor for driving the tool bit to rotate.
Referring to fig. 1, the first driving assembly 22 includes a sliding seat 221, a first slide rail 222, a first motor 223, and a first lead screw 224. The first slide rail 222 is fixed on the top surface of the chassis 1, and the slide seat 221 is slidably connected to the first slide rail 222. The two ends of the first screw rod 224 are rotatably connected to the two ends of the first slide rail 222, the length direction of the first screw rod 224 is a horizontal direction, the length direction of the first screw rod 224 is parallel to the length direction of the first slide rail 222, the middle part of the first screw rod 224 is in threaded connection with the bottom of the sliding seat 221, the first motor 223 is fixed at the end part of the first slide rail 222, and the first motor 223 and the first screw rod 224 are coaxially fixed. The first screw rods 224 on the two first driving assemblies 22 are on the same straight line, and the two first motors 223 are located at the ends of the two first screw rods 224, which are far away from each other, and the two first driving assemblies 22 drive the two tool rests 21 to be far away from or close to each other.
Referring to fig. 1, the second driving assembly 23 includes a supporting seat 231, a second slide rail 232, a second lead screw 233, and a second motor 234 for driving the second lead screw 233 to rotate. The supporting seat 231 is fixed on the top surface of the sliding seat 221, the second slide rail 232 is fixed on the side wall of the supporting seat 231, the length direction of the second slide rail 232 is vertical, the length direction of the second slide rail 232 is parallel to the length direction of the second lead screw 233, two ends of the second lead screw 233 are rotatably connected to the supporting seat 231, the middle part of the second lead screw 233 is in threaded connection with the tool apron 21, and the tool apron 21 is arranged on the sliding seat 221 through the supporting seat 231. The second motor 234 is fixed at the top end of the second slide rail 232, the motor shaft of the second motor 234 faces downward, the second motor 234 is coaxially fixed with the second screw rod 233, and when the second motor 234 drives the screw rod to rotate, the tool apron 21 ascends or descends.
Referring to fig. 1 and 2, the fixing mechanism 3 includes a clamp 31 and a third driving assembly 32 that drives the clamp 31 to slide. The clamp 31 includes a chuck 311 and a base 312, the chuck 311 faces a position right in the middle of the two tool holders 21, the chuck 311 is used for fixing a workpiece at a position right in the middle of the two tool holders 21, and the chuck 311 is mounted on the base 312.
Referring to fig. 1 and 2, the third driving assembly 32 includes a third slide rail 321, a third lead screw 322, and a third motor 323 for driving the third lead screw 322 to rotate. The third slide rail 321 is fixed on the top surface of the chassis 1, two ends of the third screw rod 322 are rotatably connected to two ends of the third slide rail 321, the length direction of the third screw rod 322 is the same as that of the third slide rail 321, the length direction of the third screw rod 322 is perpendicular to both the first screw rod 224 and the second screw rod 233, and the middle part of the third screw rod 322 is in threaded connection with the base 312. The third motor 323 is fixed at one end of the third sliding rail 321 away from the tool apron 21, and a motor shaft of the third motor 323 is coaxially fixed with the third screw rod 322.
Referring to fig. 1, a discharge port 11 is formed in a chassis 1, the discharge port 11 is located right below two tool holders 21, when a workpiece is fixed by a chuck 311, the workpiece is located right above the discharge port 11, a conveyor belt can be arranged below the discharge port 11, and the workpiece can directly fall on the conveyor belt after being processed, so that the workpiece is convenient to transport.
The implementation principle of a machine tool for machining a symmetrical workpiece in embodiment 1 of the application is as follows: the mirror-symmetrical workpiece is manually fed into the chuck 311, the chuck 311 clamps the workpiece, the tool bits are mounted on the tool, the workpiece is positioned between the two tool bits, and the two tool bits have equal distance and equal angle to the two mirror-symmetrical sides of the workpiece; the first driving component 22 drives the tool apron 21 to approach each other, the second driving component 23 drives the tool apron to slide vertically, and the third driving component 32 drives the chuck 311 to move, so that the workpiece moves, and the workpiece is machined by matching. After the workpiece is machined, the chuck 311 is released, and the workpiece falls directly into the discharge port 11.
In conclusion, the workpiece is in a mirror symmetry shape, so that the tool bit can simultaneously machine two sides of the mirror image of the workpiece, and the working phase ratio is improved; and because the tool bits are opposite to each other, when the workpiece is between the two tool apron 21, the tool bits are processed on the two sides of the workpiece in the same shape, thereby improving the processing quality of the workpiece.
Example 2:
referring to fig. 3 and 4, embodiment 2 is different from embodiment 1 in that the bottom of the chassis 1 is hollow, a coaming 4 is fixed on the bottom surface of the chassis 1, the coaming 4 is located in the hollow of the chassis 1, and the coaming 4 is arranged along the circumferential direction of the discharge hole 11. The coaming 4 is rotatably connected with a barrier net 5, the circumferential side wall of the barrier net 5 contacts the coaming 4, and the end part of the barrier net 5 is rotatably connected on the inner wall of the coaming 4 through a rotating shaft 51. The barrier net 5 is provided with a leakage hole 52 for the chips generated during the processing of the workpiece to leak, and a collecting groove 6 for collecting the chips is arranged below the barrier net 5.
Referring to fig. 4, a blanking opening 41 is formed through a side wall of the enclosure plate 4 away from the rotating shaft 51, and the position height of the blanking opening 41 is lower than that of the rotating shaft 51. A control mechanism 7 for controlling rotation of the barrier net 5 about the axis of rotation 51 is provided on the end of the barrier net 5 remote from the axis of rotation 51. After the end part of the barrier net 5 far away from the rotating shaft 51 rotates downwards, the end part of the barrier net 5 is opposite to the feed opening 41, so that the workpiece on the barrier net 5 can slide off from the feed opening 41.
Referring to fig. 4 and 5, the control mechanism 7 includes a turntable 71, a driving source 72 for driving the turntable 71 to rotate, an eccentric column 73 on the turntable 71, and two reciprocating assemblies 74. Two mounting plates 12 are arranged in the hollow position of the bottom of the underframe 1, the rotary disc 71 is rotatably connected to one of the mounting plates 12, and the rotary disc 71 is rotatably connected to the underframe 1 through the mounting plate 12. The longitudinal direction of the axis of the dial 71 is parallel to the longitudinal direction of the rotary shaft 51. The driving source 72 is a control motor, the control motor is fixed on one side of the mounting plate 12 away from the turntable 71, and a motor shaft of the control motor is coaxially fixed with the turntable 71. The control motor is provided with a speed reducing mechanism, so that the rotating speed of the control motor is reduced, and the rotation of the rotary disc 71 is conveniently controlled.
Referring to fig. 4 and 5, the eccentric column 73 is fixed on the side of the rotary disc 71 away from the mounting plate 12, and the eccentric column 73 is fixed near the circumferential edge of the rotary disc 71.
Referring to fig. 4 and 5, the reciprocating assemblies 74 are respectively disposed on the sides of the two mounting plates 12 close to each other. The reciprocating assembly 74 includes a straight rod 741, a gear 742 fixed to an end of the straight rod 741, and a rack 743 slidably disposed on the mounting plate 12, wherein the rack 743 is slidably disposed on the chassis 1 through the mounting plate 12.
Referring to fig. 4 and 5, the axis of the gear 742 is parallel to the axis of the turntable 71, and the longitudinal direction of the straight rod 741 is along the radial direction of the gear 742. A straight slot 744 is formed through the side wall of the straight rod 741, the eccentric column 73 is slidably disposed in the straight slot 744, the length direction of the rack 743 is perpendicular to the length direction of the rotating shaft 51, the length direction of the rack 743 is horizontal, the rack 743 is engaged with the gear 742, and the rack 743 on the same mounting plate 12 as the turntable 71 is located below the turntable 71.
Referring to fig. 4 and 6, when the eccentric column 73 rotates in a direction approaching the rack 743 when the turntable 71 rotates, the eccentric column 73 tends to rotate in a direction away from the barrier net 5.
Referring to fig. 4 and 5, the rack 743 is located outside the enclosure 4, a pulling rope 745 is fixed on an end portion of the rack 743 close to the barrier net 5, a rope hole for the pulling rope 745 to pass through is formed in the enclosure 4, the rope hole is located above the barrier net 5, the rope hole and the blanking opening 41 are located on the same side of the enclosure 4, and the rope hole is located above the blanking opening 41. The pivot axis 51 is located at the end of the barrier net 5 remote from the rack 743, the end of the drawstrings 745 remote from the rack 743 secures the end of the barrier net 5 remote from the pivot axis 51, and the drawstrings 745 of the two shuttle assemblies 74 are connected at both ends of the edge of the barrier net 5 remote from the pivot axis 51.
Referring to fig. 4 and 5, a roller 8 is rotatably connected in the rope hole, the axis of the roller 8 is perpendicular to the sliding direction of the rack 743, the side wall of the pull rope 745 abuts against the wheel surface of the roller 8, so that the pull rope 745 is not easy to damage, and the pull rope 745 is a steel wire rope, has better strength and better toughness.
The implementation principle of the embodiment 2 is as follows: the workpiece falls on the barrier net 5 after being processed, the workpiece further falls off chips on the workpiece through impact, and then the motor is controlled to drive the rotary disc 71 to rotate, so that the eccentric column 73 slides in the straight slot 744, and the gear 742 is driven to rotate to drive the rack 743 to slide. By the design of the shuttle assembly 74, the sliding of the rack 743 is in a manner of rapidly approaching the barrier net 5 and slowly moving away from the barrier net 5; when the rack 74 is quickly close to the barrier net 5, the end part of the barrier net 5 far away from the rotating shaft 51 is quickly turned downwards through gravity, at the moment, the end part of the barrier net 5 is over against the feed opening 41, and workpieces conveniently fall from the feed opening 41; when the rack 743 leaves the barrier net 5 slowly, the end part of the barrier net 5 far away from the rotating shaft 51 rises slowly, so that the workpiece has enough time to slide off the barrier net 5 and is discharged from the discharge opening, the control motor can keep moving continuously, the control motor does not need to be shut down, and the reciprocating motion is realized, so that the single discharge of the workpiece is realized, and the workpiece discharge is convenient.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. A machine tool for machining symmetrical workpieces, comprising an underframe (1), two machining mechanisms (2) for machining the workpieces and one fixing mechanism (3) for fixing the workpieces, characterized in that: the machining mechanism (2) comprises a cutter holder (21) for mounting a cutter head and a first driving component (22) for driving the cutter holder (21) to slide;
the tool holders (21) on the two processing mechanisms (2) are driven by a first driving component (22) to slide away from or close to each other, and when the tool bits are installed on the tool holders (21), the tool bits on the two tool holders (21) are opposite; the fixing mechanism (3) is used for fixing the workpiece in the middle of the two tool bits.
2. A machine tool for machining symmetrical workpieces according to claim 1, characterized in that: the first driving assembly (22) comprises a sliding seat (221), a first sliding rail (222), a first motor (223) and a first screw rod (224); the first sliding rail (222) is fixed on the top surface of the chassis (1), the sliding seat (221) is arranged on the first sliding rail (222) in a sliding manner, the first screw rod (224) is rotatably connected to the first sliding rail (222), the first screw rod (224) is parallel to the length direction of the first sliding rail (222), the first screw rod (224) is in threaded connection with the sliding seat (221), the tool apron (21) is arranged on the sliding seat (221), and the first motor (223) drives the first screw rod (224) to rotate; the length direction of the first screw rod (224) is transverse.
3. A machine tool for machining symmetrical workpieces according to claim 2, characterized in that: the machining mechanism (2) further comprises a second driving assembly (23) used for driving the tool apron (21) to vertically slide.
4. A machine tool for machining symmetrical workpieces according to claim 3, characterized in that: the second driving assembly (23) comprises a supporting seat (231), a second sliding rail (232), a second motor (234) and a second screw rod (233); the supporting seat (231) is fixed on the sliding seat (221), the second sliding rail (232) is fixed on the supporting seat (231), the tool apron (21) is arranged on the second sliding rail (232) in a sliding mode, the second screw rod (233) is connected to the supporting seat (231) in a rotating mode, the tool apron (21) is connected with the second screw rod (233) in a threaded mode, the length directions of the second screw rod (233) and the second sliding rail (232) are vertical, and the second motor (234) drives the second screw rod (233) to rotate.
5. A machine tool for machining symmetrical workpieces according to claim 1, characterized in that: the fixing mechanism (3) comprises a clamp (31) and a third driving assembly (32) for driving the clamp (31) to slide, the third driving assembly (32) comprises a third sliding rail (321), a third screw rod (322) and a third motor (323), the third sliding rail (321) is arranged on the top surface of the underframe (1), two ends of the third screw rod (322) are rotatably connected to the third sliding rail (321), the third screw rod (322) is in threaded connection with the clamp (31), and the length directions of the third sliding rail (321) and the third screw rod (322) are both vertical to the length direction of the first screw rod (224); the third motor (323) drives the third screw rod (322) to rotate.
6. A machine tool for machining symmetrical workpieces according to claim 1, characterized in that: be provided with discharge gate (11) on chassis (1), discharge gate (11) are located the below between two blade holders (21), discharge gate (11) below is provided with block (5), be provided with on block (5) and supply the piece to leak down weeping hole (52), block (5) below is provided with collecting vat (6) that are used for collecting the piece.
7. A machine tool for the machining of symmetrical workpieces according to claim 6, characterized in that: a surrounding plate (4) is arranged on the bottom frame (1), the surrounding plate (4) extends along the circumferential direction of the discharge hole (11), and a discharge hole (41) is formed in the side wall of the surrounding plate (4); the barrier net (5) is provided with a rotating shaft (51), two ends of the rotating shaft (51) are rotatably connected to the enclosing plate (4), and the underframe (1) is provided with a control mechanism (7) for controlling the rotating shaft (51) to rotate; after the blocking net (5) rotates, the lower end of the blocking net (5) is opposite to the feed opening (41).
8. A machine tool for machining symmetrical workpieces according to claim 7, characterized in that: the control mechanism (7) comprises a rotary disc (71), a driving source (72) for driving the rotary disc (71) to rotate, an eccentric column (73) and a reciprocating assembly (74), the rotary disc (71) is rotatably connected to the bottom frame (1), and the eccentric column (73) is fixed on the rotary disc (71); the reciprocating assembly (74) comprises a straight rod (741), a gear (742) fixed at the end of the straight rod (741) and a rack (743) arranged on the underframe (1) in a sliding mode, the axis of the gear (742) is parallel to the axis of the turntable (71), and the rack (743) is meshed with the gear (742); a straight slot (744) is formed in the side wall of the straight rod (741) in a penetrating mode, the eccentric column (73) is arranged in the straight slot (744) in a sliding mode, and the end portion, close to the gear (742), of the straight rod (741) is connected to the underframe (1) in a rotating mode; when the eccentric column (73) rotates away from the barrier net (5), the eccentric column (73) is positioned on one side, close to the gear (742), in the straight slot (744);
the rack (743) is positioned on the outer side of the enclosing plate (4), and the sliding direction of the rack (743) is a direction far away from or close to the barrier net (5); a pull rope (745) is arranged at the end part of the rack (743) close to the barrier net (5), a rope hole for the pull rope (745) to pass through is arranged on the coaming (4), one end of the pull rope (745) far away from the rack (743) is fixedly connected with the end part of the barrier net (5), and the pull rope (745) is positioned at one radial side of the rotating shaft (51).
9. A machine tool for machining symmetrical workpieces according to claim 8, characterized in that: the rope hole is internally provided with a roller (8), and the pull rope (745) is abutted against the wheel surface of the roller (8).
CN202210336902.7A 2022-04-01 2022-04-01 Machine tool for machining symmetrical workpieces Active CN114473604B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205703519U (en) * 2016-04-18 2016-11-23 佛山市德赛格精工机械有限公司 A kind of double spindle processing Digit Control Machine Tools for the processing of workpiece double end
KR101868559B1 (en) * 2017-03-31 2018-06-20 (주)유지인트 Machining center with symmetrical machining module
CN110773751A (en) * 2019-10-25 2020-02-11 重庆第二机床厂有限责任公司 Two-way automatic turning special plane
CN210755419U (en) * 2019-10-30 2020-06-16 汇龙电机有限公司 Bidirectional slot milling machine
CN112024944A (en) * 2020-09-04 2020-12-04 陈远旭 Multi freedom's circuit board numerical control machine tool
CN214264819U (en) * 2020-12-31 2021-09-24 新乡日升数控轴承装备股份有限公司 Stud processing combined machine tool

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205703519U (en) * 2016-04-18 2016-11-23 佛山市德赛格精工机械有限公司 A kind of double spindle processing Digit Control Machine Tools for the processing of workpiece double end
KR101868559B1 (en) * 2017-03-31 2018-06-20 (주)유지인트 Machining center with symmetrical machining module
CN110773751A (en) * 2019-10-25 2020-02-11 重庆第二机床厂有限责任公司 Two-way automatic turning special plane
CN210755419U (en) * 2019-10-30 2020-06-16 汇龙电机有限公司 Bidirectional slot milling machine
CN112024944A (en) * 2020-09-04 2020-12-04 陈远旭 Multi freedom's circuit board numerical control machine tool
CN214264819U (en) * 2020-12-31 2021-09-24 新乡日升数控轴承装备股份有限公司 Stud processing combined machine tool

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Denomination of invention: A machine tool for symmetrical workpiece processing

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