CN107175510B - Double-disc bidirectional feeding multi-station cutting machine - Google Patents

Double-disc bidirectional feeding multi-station cutting machine Download PDF

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Publication number
CN107175510B
CN107175510B CN201710608947.4A CN201710608947A CN107175510B CN 107175510 B CN107175510 B CN 107175510B CN 201710608947 A CN201710608947 A CN 201710608947A CN 107175510 B CN107175510 B CN 107175510B
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cutting
station
disc
cutting unit
side feeding
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CN107175510A (en
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蒋晓龙
蒋忍
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Chongqing Zhongtian Mold Co ltd
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Chongqing Zhongtian Mold Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/02Machine tools for performing different machining operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q16/00Equipment for precise positioning of tool or work into particular locations not otherwise provided for
    • B23Q16/02Indexing equipment
    • B23Q16/08Indexing equipment having means for clamping the relatively movable parts together in the indexed position
    • B23Q16/10Rotary indexing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices 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
    • B23Q3/06Work-clamping means
    • B23Q3/08Work-clamping means other than mechanically-actuated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means
    • B23Q2703/04Work clamping means using fluid means or a vacuum
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Milling Processes (AREA)
  • Drilling And Boring (AREA)

Abstract

The invention discloses a double-disc bidirectional feeding multi-station cutting machine, which belongs to the technical field of mechanical equipment and comprises an operating table, an index disc, a start-stop station and at least three outside feeding cutting units, wherein a rotating disc is arranged on a rotating body of the index disc, the start-stop station and all the outside feeding cutting units sequentially encircle the periphery of the rotating disc, part clamps which are in one-to-one correspondence with the outside feeding cutting units and the start-stop stations are arranged on the rotating disc, a fixed disc is arranged on a fixed body of the index disc through a connecting shaft and is positioned above the rotating disc, and at least one inside feeding cutting unit which is corresponding to the outside feeding cutting units is arranged on the fixed disc and forms a cutting station together with the corresponding outside feeding cutting units and the part clamps. The invention realizes one-time clamping of the part, simultaneously completes multi-station cutting processing of hole sites on two sides of the part, ensures the hole site precision of the part, improves the production efficiency, and well solves the technical problem of multi-station simultaneous processing of the hole sites on two sides of the part.

Description

Double-disc bidirectional feeding multi-station cutting machine
Technical Field
The invention belongs to the technical field of machining equipment, and particularly relates to cutting equipment capable of achieving multi-station simultaneous machining of hole sites on two sides of a part.
Background
The existing rotary disc type drilling and tapping integrated machine is generally composed of an index plate and a cutting device such as a drilling device, a tapping device and the like, wherein the cutting device is arranged on the periphery of the index plate. However, holes of parts of many products are positioned on two sides of the parts, as shown in fig. 6 and 7, at least two pieces of processing equipment are adopted in the existing processing mode, the hole position processing on one side is finished after clamping on one piece of equipment, and the hole position processing on the other side is finished after clamping on the other piece of equipment. The clamping times are multiple, the hole site precision is not easy to guarantee, the production efficiency is low, and the equipment and labor cost is high.
Disclosure of Invention
Aiming at the defect that the multi-station simultaneous machining of hole sites on two sides of a part cannot be realized on the same equipment in the prior art, the invention aims to provide the double-disc bidirectional feeding multi-station cutting machine, which realizes one-time clamping of the part and simultaneously completes the multi-station cutting machining of the hole sites on two sides of the part, thereby not only ensuring the hole site precision of the part, but also improving the production efficiency, and well solving the technical problem of the multi-station simultaneous machining of the hole sites on two sides of the part.
The technical scheme adopted by the invention is as follows: the utility model provides a two-disc bi-directional feeding multistation cutting machine, includes the operation panel to and install the graduated disk on the operation panel, start and stop station and at least three outside feed cutting unit, install the rolling disc on the swivel of graduated disk, outside feed cutting unit carries out the cutting process by outside to inside, start and stop station and all outside feed cutting unit encircle the periphery at the rolling disc in proper order, be provided with the part anchor clamps with outside feed cutting unit and start and stop the station one-to-one on the rolling disc, outside feed cutting unit and the part anchor clamps that correspond with it constitute a cutting station, install the fixed disk through the connecting axle on the body of graduated disk to be located the rolling disc top, set up at least one inboard feed cutting unit that corresponds with outside feed cutting unit on the fixed disk, inboard feed cutting unit carries out the cutting process by inboard outside feed cutting unit and constitutes a cutting station jointly with corresponding outside feed cutting unit and part anchor clamps.
As the optimization of the scheme, the two inner side feeding cutting units are arranged on the fixed disc in parallel and in a head-to-tail opposite mode, any cutting station is eccentric to the circle center of the rotating disc, and the eccentric distances L of all the cutting stations are equal. When the number of the inner side feeding cutting units is two, the inner side feeding cutting units are arranged in parallel in a mode of opposite head and tail and eccentric dislocation, so that the whole structure is more compact, the occupied space is smaller, and the purpose of arranging the multi-station cutting units on the smaller turntable is achieved. When the number of the inner side feeding cutting units is three or more, the diameters of the rotating disc and the fixed disc can be increased, and all the inner side feeding cutting units are arranged in a mode that the circle centers of the inner side feeding cutting units are divergent and the tail ends of the inner side feeding cutting units are connected with each other on the fixed disc.
Further, the cutting stations are divided into a first cutting station, a second cutting station, a third cutting station, a fourth cutting station and a fifth cutting station, the start-stop station is arranged between the first cutting station and the fifth cutting station, the two inner side feeding cutting units respectively correspond to the first cutting station and the fourth cutting station, the outer side feeding cutting unit and the inner side feeding cutting unit of the fourth cutting station are numerical control tapping devices, and the outer side feeding cutting units and the inner side feeding cutting units of the rest cutting stations are numerical control drilling devices. The start-stop station is used for clamping the part before machining and disassembling the part after machining, the start-stop station is a manual operation station, other cutting stations are controlled to automatically operate through a numerical control system, and after one-time clamping, the five cutting stations are used for completing the cutting machining of seven working procedures of the part, so that the clamping frequency is reduced, the hole position precision of the part is ensured, and the production efficiency is improved.
Further, a plane bearing for rotating support is arranged between the rotating disc and the fixed disc through a connecting shaft sleeve, so that vibration instability of an inner side feeding cutting unit on the fixed disc due to large volume and weight in the processing process is effectively prevented; and a dust ring is sleeved outside the plane bearing to prevent dust and cuttings from entering.
Further, each part clamp is correspondingly provided with a clamping cylinder, the clamping cylinders are controlled sequentially through a gas flow dividing valve to realize automatic clamping of parts at all cutting stations and automatic loosening of start-stop stations, a 7-shaped internal hollow support is arranged in an inlet pipe and an exhaust pipe in front of the gas flow dividing valve, the 7-shaped internal hollow support is fixed on an operating platform after the gas flow dividing valve is arranged in a door-shaped internal hollow support, the door-shaped internal hollow support is fixed on a rotating disc, and power lines and control lines of two inner side feeding cutting units are led out from the hollow part of the connecting shaft center part, so that the rotating disc can be prevented from winding of pipes and lines in the rotating process, and the space above the operating platform is tidier and orderly.
The invention has the beneficial effects that: a fixed disc is arranged on the fixed body of the dividing disc through a connecting shaft, and the fixed disc is positioned above the rotating disc and is used for installing an inner side feeding cutting unit, and the inner side feeding cutting unit and the outer side feeding cutting unit form a cutting station together; the machining device combines the rest cutting stations to realize one-time clamping of the part, and simultaneously completes multi-station cutting machining of hole sites on two sides of the part, thereby ensuring the hole site precision of the part, improving the production efficiency and reducing the equipment and labor cost.
Drawings
Fig. 1 is a top view of a dual-disc bi-directional feed multi-station cutting machine.
Fig. 2 is a front view of a dual-disc bi-directional feed multi-station cutting machine.
Fig. 3 is a perspective view of a dual-disc bi-directional feed multi-station cutting machine.
Fig. 4 is a second perspective view of a dual-disc bi-directional feed multi-station cutting machine.
Fig. 5 is a cut-away view of a dual-disc bi-directional feed multi-station cutter at the location of the rotating disc.
Fig. 6 is a perspective effect view after the part processing.
Fig. 7 is a perspective view of the part after machining.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
referring to fig. 1 to 5, a double-disc bidirectional feeding multi-station cutting machine mainly comprises an operation table 1, a rotating disc 2, an outer feeding cutting unit 3, a part clamp 4, a fixed disc 5, an inner feeding cutting unit 6, a clamping cylinder 7, a gas flow dividing valve 8, a 7-shaped hollow bracket 9, a door-shaped hollow bracket 10, a starting button 11, a numerical control display screen 12, an index disc 13, a plane bearing 14, a dust ring 15 and a connecting shaft 16.
The dividing plate 13 is arranged on the operating platform 1, the rotating plate 2 is connected to the rotating body of the dividing plate 13, the fixed plate 5 is fixed on the fixed body of the dividing plate 13 through the connecting shaft 16, and the fixed plate 5 is positioned above the rotating plate 2. The rotating disc 2 can rotate along with the rotating body of the dividing disc 13, and the fixed disc 5 is fixed and not rotated. Preferably, a plane bearing 14 which is rotatably supported is sleeved between the rotating disc 2 and the fixed disc 5 through a connecting shaft 16, so that vibration instability of the inner side feeding cutting unit 6 on the fixed disc 5 due to large volume and weight in the processing process is effectively prevented; and a dust ring 15 is sleeved outside the plane bearing 14 to prevent dust and cuttings from entering.
The operating table 1 is also provided with a start-stop station O and five outside feeding cutting units 3, and the start-stop station O and all outside feeding cutting units 3 sequentially encircle the periphery of the rotating disc 2. The rotating disc 2 is provided with part clamps 4 which are in one-to-one correspondence with the outside feeding cutting units 3 and the start-stop stations 0. The outside feed cutting unit 3 performs cutting from the outside to the inside, and forms a cutting station together with the corresponding part holder 4. The outside feed cutting units 3 are not limited to five but at least three.
The fixed disk 5 is provided with two inner feed cutting units 6, which are respectively in one-to-one correspondence with the two outer feed cutting units 3. The inside feed cutting unit 6 performs inside-to-outside feed cutting processing, and forms a cutting station together with the corresponding part holder 4 and outside feed cutting unit 3. The inside feed cutting units 6 are at least one, but not limited to two.
Preferably, when the number of the inner feed cutting units 6 is two, the fixed disk 5 may be parallel to each other and disposed end to end, any one of the cutting stations is eccentrically offset from the center of the rotary disk 2, and the eccentricities L of all the cutting stations are equal (as shown in fig. 1). When the inside feed cutting units 6 are three or more, the diameters of the rotating disc 2 and the fixed disc 5 can be increased, and all inside feed cutting units 6 are arranged with the center of the circle divergent on the fixed disc 5 and the end parts thereof are connected.
The cutting stations are divided into a first cutting station I, a second cutting station II, a third cutting station III, a fourth cutting station IV and a fifth cutting station V, a start-stop station O is arranged between the first cutting station I and the fifth cutting station V, and six stations, namely, the five cutting stations and the start-stop station O, are preferably uniformly distributed circumferentially outside the rotating disc 2. The start-stop station O is also a manual operation station and is used for clamping parts and disassembling the machined parts.
The two inner side feeding cutting units 6 correspond to the first cutting station I and the fourth cutting station IV respectively, and except that the outer side feeding cutting unit 3 and the inner side feeding cutting unit 6 of the fourth cutting station IV are numerical control tapping devices, the inner side feeding cutting units 3 and the inner side feeding cutting units 6 of the rest cutting stations are numerical control drilling devices.
Each part clamp 4 is correspondingly provided with a clamping cylinder 7, and the clamping cylinders 7 are controlled sequentially through a gas flow dividing valve 8 to realize automatic clamping of parts at all cutting stations and automatic loosening of a start-stop station 0; the air inlet and exhaust pipes in front of the gas splitter valve 8 are arranged in a 7-shaped hollow bracket 9, the air inlet and exhaust pipes behind the gas splitter valve 8 are arranged in a door-shaped hollow bracket 10, the 7-shaped hollow bracket 9 is fixed on the operating platform 1, and the door-shaped hollow bracket 10 is fixed on the rotating disc 2. Both the power lines and the control lines of the two inner side feed cutting units 6 are led out from the hollow center of the connecting shaft 16.
Brief description of working procedure: firstly, an operator loads a part on a part clamp 4 positioned at a start-stop position 0, presses a start button 11, clamps the part by a clamping cylinder 7 positioned at the start-stop position 0, rotates a rotating disc 2 by a certain angle, sequentially rotates the part clamp 4 and the part positioned at the start-stop position 0 to a next station, returns the part clamp 4 and the part of the last cutting station to the start-stop position 0, and loosens the part by the clamping cylinder 7; simultaneously, an outer side feeding cutting unit 3 positioned on the periphery of the rotating disc 2 and an inner side feeding cutting unit 6 positioned on the fixed disc 5 are started at the same time to perform cutting processing such as drilling and tapping of different hole sites, and the cutting units respectively return to a to-be-processed stop state after the processing is finished; the operator takes out the machined part and loads the part to be machined, presses the start button 11 again, and performs the above cycle.
The double-disc bidirectional feeding multi-station cutting machine in the embodiment is a drilling and tapping integrated machine, adopts a servo numerical control technology, can automatically control numerical control drilling and tapping devices of all stations to complete drilling and tapping procedures of different hole sites, and can control the machining speed, the stroke and the spindle rotating speed through numerical control programs; simultaneously, the clamping cylinder can be automatically controlled through the gas flow dividing valve, so that the part can be automatically clamped at all cutting stations and can be automatically loosened at the start-stop station. The all-in-one machine is high in automation degree, accurate and reliable in control, one-time clamping of parts is well achieved, machining of multiple stations of hole sites on two sides of the parts is finished, hole site precision of the parts is guaranteed, and production efficiency is improved.
The parts shown in fig. 6 and 7 are machined by the double-disc bidirectional feeding multi-station cutting machine, and the work division of each station is as follows:
1. first cutting station I: outside feed cutting unit drilling bottom hole with depth of 2-M3 and 6 at one end of part
Figure BDA0001358746100000061
Depth
7, at the same time, the inner side of the fixed disk is fed with a cutting unit to drill a bottom hole of depth 6 from 2 to M3 at the other end of the processed part>
Figure BDA0001358746100000062
Depth 7;
2. second cutting station ii: one end of the part is drilled by the outside feeding cutting unit
Figure BDA0001358746100000063
Depth 8.5;
3. third cutting station iii: one end of the part is drilled by the outside feeding cutting unit
Figure BDA0001358746100000071
A through hole;
4. fourth cutting station IV: the outside feeding cutting unit is used for tapping one end 2-M3 of the machined part, and meanwhile, the inside feeding cutting unit on the fixed disc is used for tapping the other end 2-M3 of the machined part;
5. fifth cutting station v: one end of the part is drilled by the outside feeding cutting unit
Figure BDA0001358746100000072
And 8 deep.

Claims (1)

1. The utility model provides a two-disc bi-directional feeding multistation cutting machine, includes operation panel (1) to and install index plate (13) on operation panel (1), start stop position (0) and at least three outside feed cutting unit (3), install rolling disc (2) on the rotation of index plate (13), outside feed cutting unit (3) are given cutting machining by outside inwards, start stop position (0) and all outside feed cutting unit (3) encircle in proper order in the periphery of rolling disc (2), be provided with on rolling disc (2) with outside feed cutting unit (3) and start stop position (0) one-to-one part anchor clamps (4), outside feed cutting unit (3) and part anchor clamps (4) that correspond with it constitute a cutting station, its characterized in that:
a fixed disc (5) is arranged on the fixed body of the dividing disc (13) through a connecting shaft (16) and is positioned above the rotating disc (2), at least one inner side feeding cutting unit (6) corresponding to the outer side feeding cutting unit (3) is arranged on the fixed disc (5), and the inner side feeding cutting unit (6) performs cutting processing by feeding from the inner side to the outer side and forms a cutting station together with the corresponding outer side feeding cutting unit (3) and the part clamp (4);
the two inner side feeding cutting units (6) are arranged on the fixed disc (5) in parallel and in a head-to-tail opposite mode, any cutting station is eccentric to the circle center of the rotating disc (2), and the eccentric distances L of all the cutting stations are equal;
the cutting stations are divided into a first cutting station (I), a second cutting station (II), a third cutting station (IV) and a fifth cutting station (V), a start-stop station (0) is arranged between the first cutting station (I) and the fifth cutting station (V), two inner side feeding cutting units (6) respectively correspond to the first cutting station (I) and the fourth cutting station (IV), and except for an outer side feeding cutting unit (3) and an inner side feeding cutting unit (6) of the fourth cutting station (IV), the outer side feeding cutting units (3) and the inner side feeding cutting units (6) of the other cutting stations are numerical control drilling devices;
a plane bearing (14) which is rotatably supported is sleeved between the rotating disc (2) and the fixed disc (5) through a connecting shaft (16), and a dust ring (15) is sleeved outside the plane bearing (14);
each part clamp (4) is correspondingly provided with a clamping cylinder (7), the clamping cylinders (7) are controlled by the sequence of a gas flow dividing valve (8) to realize automatic clamping of parts at all cutting stations and automatic loosening of start-stop stations, an advance exhaust pipe of the gas flow dividing valve (8) is arranged in a 7-shaped hollow bracket (9), an advance exhaust pipe of the gas flow dividing valve (8) is arranged in a 7-shaped hollow bracket (10), the 7-shaped hollow bracket (9) is fixed on an operating table (1), the door-shaped hollow bracket (10) is fixed on a rotating disc (2), and power lines and control lines of two inner side feed cutting units (6) are led out from the hollow part of the center of a connecting shaft (16);
the cutting machine has high automation degree, can realize one-time clamping of the part, and simultaneously completes multi-station cutting processing of hole sites on two sides of the part;
the division of work of each station of the cutting machine is as follows:
first cutting station I: the outside feeding cutting unit drills 2 bottom holes with the depth of 6mm of M3 at one end of the part, the depth of 7mm of 2.5mm, and meanwhile, the inside feeding cutting unit on the fixed disc drills 2 bottom holes with the depth of 6mm of M3 at the other end of the part, and the depth of 7mm of 2.5 mm;
second cutting station ii: 2 pieces of outer side feeding cutting units drill one end of the part, wherein the depth of the outer side feeding cutting units is 2mm and 8.5mm;
third cutting station iii: drilling one end of the part by using an outer side feeding and cutting unit, and forming a 5.5mm through hole;
fourth cutting station IV: the outside feeding cutting unit is used for tapping one end of a machined part 2M 3 deep by 6mm, and meanwhile, the inside feeding cutting unit on the fixed disc is used for tapping the other end of the machined part 2M 3 deep by 6mm;
fifth cutting station v: and (3) drilling one end of the part by using an outer side feeding cutting unit, wherein the depth of the part is 4mm and 8mm.
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CN110899778B (en) * 2019-10-31 2021-02-09 惠州市新智源模具科技有限公司 Full-automatic multi-station multi-shaft numerical control CNC machining center
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CN204771556U (en) * 2015-07-06 2015-11-18 浙江美亚特精密机械有限公司 A carousel machine for processing festival tight screw hole of fork lock and locking groove
CN105537943A (en) * 2015-12-10 2016-05-04 中山市毅马五金有限公司 Flange end plate all-in-one machine with drilling, tapping and groove milling functions

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