CN104942333B - A kind of device for being drilled to circular valve element - Google Patents

A kind of device for being drilled to circular valve element Download PDF

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Publication number
CN104942333B
CN104942333B CN201510219854.3A CN201510219854A CN104942333B CN 104942333 B CN104942333 B CN 104942333B CN 201510219854 A CN201510219854 A CN 201510219854A CN 104942333 B CN104942333 B CN 104942333B
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CN
China
Prior art keywords
valve element
drilled
drill bit
pillar
clamp column
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Active
Application number
CN201510219854.3A
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Chinese (zh)
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CN104942333A (en
Inventor
倪建平
闻斌楠
王剑飞
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Huadong Mining Equipment Co Ltd
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Huadong Mining Equipment Co Ltd
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Publication date
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Priority to CN201510219854.3A priority Critical patent/CN104942333B/en
Publication of CN104942333A publication Critical patent/CN104942333A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
    • 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
    • B23Q3/08—Work-clamping means other than mechanically-actuated
    • B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
    • 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
    • B23Q2703/00—Work clamping
    • B23Q2703/02—Work clamping means
    • B23Q2703/04—Work clamping means using fluid means or a vacuum
    • 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
    • B23Q2703/00—Work clamping
    • B23Q2703/02—Work clamping means
    • B23Q2703/08—Devices for clamping a plurality of workpieces

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses a kind of device for being drilled to circular valve element, including workbench, the workbench is provided with some production mechanisms, the production mechanism includes the chute on borehole drill construction, setting and the workbench for being drilled to valve element, hydraulic cylinder, 2 clamping devices, and 2 clamping devices are symmetrical arranged；The clamping device includes pillar, and the bottom of the pillar is connected by sliding block with slide, and the pillar is provided with rotating disk, and the rotating disk is provided with some conical clamp columns；The hydraulic cylinder is connected by isometric connecting rod and sliding block；The borehole drill construction includes drill bit, and the drill bit radially extends along clamp column.The present invention can be drilled to the valve element of different sizes, different length, multiple valve elements can be drilled simultaneously, the diverse location of valve element can be drilled, and different holes can be bored to valve element, and machining accuracy is high, and production efficiency is high, and adaptability is good.

Description

A kind of device for being drilled to circular valve element
Technical field
The present invention relates to safety valve technical field of processing equipment, more particularly to a kind of it is used for what circular valve element was drilled Device.
Background technology
Safety valve is a kind of safeguard protection valve, and its opening and closing element is in normally off by external force effect is lower, when equipment or Pressure medium rise in pipeline, automatically turn on during more than setting, by outside system discharge medium prevent pipeline or set Standby interior pressure medium exceedes specified value.Safety valve belongs to automatic valve class, is mainly used in boiler, on pressure vessels and pipes, control Pressing pressure is no more than setting, and important protective effect has been run to personal safety and equipment.
, it is necessary to be drilled to circular valve element in process of manufacture, prior art can not be with same angle to same The various sizes of valve element of one species is processed, it is impossible to processes operation simultaneously to multiple valve elements, and machining accuracy is not high.Therefore Shen Ask someone to propose a kind of device for drilling to safe valve core, adaptability is good, high in machining efficiency.
The content of the invention
In order to solve technical problem present in background technology, the present invention proposes a kind of for being bored to circular valve element The device in hole, machining accuracy is high, and production efficiency is high.
A kind of device for being drilled to circular valve element proposed by the present invention, including workbench, set on the workbench There are some production mechanisms, the production mechanism includes the cunning on borehole drill construction, setting and the workbench for being drilled to valve element Groove, hydraulic cylinder, 2 clamping devices, 2 clamping devices are symmetrical arranged；
The clamping device includes pillar, and the bottom of the pillar is connected by sliding block with slide, and the pillar, which is provided with, to be turned Disk, the rotating disk are provided with some conical clamp columns；
The hydraulic cylinder is connected by isometric connecting rod and sliding block；
The borehole drill construction includes drill bit, drilling direction the radially extending along clamp column of the drill bit.
By the valve element for being designed to clamp different-diameter of conical clamp column, slided by hydraulic cylinder, connecting rod driving Block, can clamp the valve element of different length, and adaptability is good.Meanwhile clamp different-diameter, length valve element when, the axle of valve element Line is constant, therefore, effectively ensure machining accuracy.
Preferably, the rotating disk is rotatablely connected by first rotating shaft and pillar, and the clamp column is centered on first rotating shaft Overlapped into circle distribution, or, the axis of the clamp column with the axis of first rotating shaft.
Rotating disk is rotated by first rotating shaft, different valve elements can be drilled using same borehole drill construction, saved more Change the time of valve element, production efficiency is high.
Preferably, the clamp column is rotatablely connected by the second rotating shaft and rotating disk, the axis of the clamp column and second turn The axis of axle overlaps.
By the second axis of rotation rotating disk, same valve element diverse location can be drilled using same borehole drill construction, The time of rotational valve core is saved, production efficiency is high to be improved.
Preferably, the borehole drill construction includes support, slide plate, some first units, and the slide plate connects with bracket slide Connect, first units include the first motor, the drill bit, and the drill bit and the first motor are connected.
In embodiment, support vertical can be set.By sliding skateboard, valve element can be bored using different drill bits Hole operation, different holes can be processed on valve element；More bit change is also allowed for, adaptability is good, efficiency high.
Preferably, the borehole drill construction also includes guide rail, pole, the diameter parallel or oblique of the guide rail and clamp column, should The bottom of pole rolls with guide rail and connected, and the pole is provided with fixed plate, and the fixed plate is provided with some second units, should Second units include the second motor, the drill bit, and the drill bit and the second motor are connected.
In embodiment, axis of the guide rail along clamp column can be set.By mobile pole, multiple second can be utilized to bore Hole unit drills to valve element, reduces drill bit and grinds, valve element can also be drilled using different drill bits, also allow for changing Drill bit.
Preferably, lift cylinders are provided between 2 pillars, the top of the lift cylinders is provided with the act material for being used for lifting valve element Plate.
After machining, to both sides displacement, the valve element processed slides Driven by Hydraulic Cylinder sliding block naturally, utilizes lift cylinders Driving lifts flitch and rises valve element to be processed, is slided using Driven by Hydraulic Cylinder sliding block is relative, using clamp column by valve to be processed Core clamps, so as to be processed operation.
Preferably, the act flitch is arc.It is easy to lift valve element to be processed.
Preferably, the borehole drill construction includes multiple the 3rd units for being used to carry out same valve element Drilling operation, 3rd units include the 3rd motor, the drill bit, and the drill bit and the 3rd motor are connected.
Bore operation, efficiency high can be carried out simultaneously to the diverse location of valve element.
The present invention can be drilled to the valve element of different sizes, different length, and multiple valve elements can be bored simultaneously Hole, the diverse location of valve element can be drilled, different holes can be bored to valve element, machining accuracy is high, and production efficiency is high, fits Answering property is good.
Brief description of the drawings
Fig. 1 is the structural representation of embodiments of the invention 1；
Fig. 2 be Fig. 1 in A-A to structural representation；
Fig. 3 is the structural representation of embodiments of the invention 2；
Fig. 4 be Fig. 3 in B-B to structural representation；
Fig. 5 is the structural representation of embodiments of the invention 3；
Fig. 6 be Fig. 5 in C-C to structural representation.
Embodiment
Embodiment 1：
Reference picture 1,2, a kind of device for being drilled to circular valve element proposed by the present invention, including workbench 1, should Workbench 1 is provided with some production mechanisms, and the production mechanism includes being used for borehole drill construction, setting and the work for drilling to valve element Make 3,2 clamping devices of chute 2, hydraulic cylinder on platform, 2 clamping devices are symmetrical arranged；
The clamping device includes pillar 4, and the bottom of the pillar 4 is slidably connected by sliding block 5 and chute 2, is set on the pillar 4 There is rotating disk 6, the rotating disk 6 is provided with some conical clamp columns 7；
The hydraulic cylinder 3 is connected by isometric connecting rod 8 with sliding block 5；
The borehole drill construction includes drill bit 9, drilling direction the radially extending along clamp column 7 of the drill bit 9.
By the valve element for being designed to clamp different-diameter of conical clamp column 7, driven by hydraulic cylinder 3, connecting rod 8 Sliding block 5, can clamp the valve element of different length, and adaptability is good.Meanwhile clamp different-diameter, length valve element when, valve element Axis is constant, therefore, effectively ensure machining accuracy.
Rotating disk 6 is rotatablely connected by first rotating shaft 10 and pillar 4, and clamp column 7 is centered on first rotating shaft 10 into circumference point Cloth, or, the axis of clamp column 7 overlap with the axis of first rotating shaft 10.
Rotating disk 6 is rotated by first rotating shaft 10, different valve elements can be drilled using same borehole drill construction, saved The time of valve element is changed, production efficiency is high.
Clamp column 7 is rotatablely connected by the second rotating shaft 11 with rotating disk 6, the axis of the axis of clamp column 7 and the second rotating shaft 11 Overlap.
Rotating disk 6 is rotated by the second rotating shaft 11, same valve element diverse location can be bored using same borehole drill construction Hole, the time of rotational valve core is saved, production efficiency is high to be improved.
Borehole drill construction includes support 12, slide plate 13, some first units, and the slide plate 13 is slidably connected with support 12, First units include the first motor 14, drill bit 9, and the drill bit 9 is connected with the first motor 14.
In the present embodiment, support 12 can be vertically arranged.By sliding skateboard 13, different drill bits 9 can be utilized to valve Core carries out bore operation, and different holes can be processed on valve element；More bit change 9 is also allowed for, adaptability is good, efficiency high.
Lift cylinders 19 are provided between 2 pillars, the top of the lift cylinders 19 is provided with the act flitch 20 for being used for lifting valve element.
After machining, hydraulic cylinder 3 drives sliding block 5, and to both sides displacement, the valve element processed slides naturally, utilizes lifting The driving of cylinder 19 lifts flitch 20 and rises valve element to be processed, recycles hydraulic cylinder 3 to drive sliding block 5 is relative to slide, will using clamp column 7 Valve element clamping to be processed, so as to be processed operation.
Act flitch 20 is arc.It is easy to lift valve element to be processed.
Embodiment 2：
Reference picture 3,4, a kind of device for being drilled to circular valve element proposed by the present invention, including workbench 1, should Workbench 1 is provided with some production mechanisms, and the production mechanism includes being used for borehole drill construction, setting and the work for drilling to valve element Make 3,2 clamping devices of chute 2, hydraulic cylinder on platform, 2 clamping devices are symmetrical arranged；
The clamping device includes pillar 4, and the bottom of the pillar 4 is slidably connected by sliding block 5 and chute 2, is set on the pillar 4 There is rotating disk 6, the rotating disk 6 is provided with some conical clamp columns 7；
The hydraulic cylinder 3 is connected by isometric connecting rod 8 with sliding block 5；
The borehole drill construction includes drill bit 9, drilling direction the radially extending along clamp column 7 of the drill bit 9.
By the valve element for being designed to clamp different-diameter of conical clamp column 7, driven by hydraulic cylinder 3, connecting rod 8 Sliding block 5, can clamp the valve element of different length, and adaptability is good.Meanwhile clamp different-diameter, length valve element when, valve element Axis is constant, therefore, effectively ensure machining accuracy.
Borehole drill construction also includes guide rail 15, pole 16, the guide rail 15 and the diameter parallel or oblique of clamp column 7, the pole 16 bottom rolls with guide rail 15 and connected, and the pole 16 is provided with fixed plate 17, and the fixed plate 17 is provided with some second drillings Unit, second units include the second motor 18, drill bit 9, and the drill bit 9 is connected with the second motor 18.
In the present embodiment, axis of the guide rail 15 along clamp column 7 can be set.By mobile pole 16, can utilize more Individual second units drill to valve element, reduce drill bit 9 and grind, valve element can also be drilled using different drill bits 9, Also allow for more bit change 9.
Embodiment 3：
Reference picture 5,6, a kind of device for being drilled to circular valve element proposed by the present invention, including workbench 1, should Workbench 1 is provided with some production mechanisms, and the production mechanism includes being used for borehole drill construction, setting and the work for drilling to valve element Make 3,2 clamping devices of chute 2, hydraulic cylinder on platform, 2 clamping devices are symmetrical arranged；
The clamping device includes pillar 4, and the bottom of the pillar 4 is slidably connected by sliding block 5 and chute 2, is set on the pillar 4 There is rotating disk 6, the rotating disk 6 is provided with some conical clamp columns 7；
The hydraulic cylinder 3 is connected by isometric connecting rod 8 with sliding block 5；
The borehole drill construction includes drill bit 9, drilling direction the radially extending along clamp column 7 of the drill bit 9.
By the valve element for being designed to clamp different-diameter of conical clamp column 7, driven by hydraulic cylinder 3, connecting rod 8 Sliding block 5, can clamp the valve element of different length, and adaptability is good.Meanwhile clamp different-diameter, length valve element when, valve element Axis is constant, therefore, effectively ensure machining accuracy.
Borehole drill construction includes multiple the 3rd units for being used to carry out same valve element Drilling operation, and the 3rd drilling is single Member includes the 3rd motor 21, drill bit 9, and the drill bit 9 is connected with the 3rd motor 21.
Bore operation, efficiency high can be carried out simultaneously to the diverse location of valve element.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.

Claims (7)

  1. A kind of 1. device for being drilled to circular valve element, it is characterised in that：Including workbench (1), on the workbench (1) Provided with some production mechanisms, the production mechanism include be used for valve element is drilled borehole drill construction, be arranged at workbench (1) Chute (2), hydraulic cylinder (3), 2 clamping devices, 2 clamping devices are symmetrical arranged；
    The clamping device includes pillar (4), and the bottom of the pillar (4) is slidably connected by sliding block (5) and chute (2), the pillar (4) rotating disk (6) is provided with, the rotating disk (6) is provided with some conical clamp columns (7)；The clamp column (7) passes through the second rotating shaft (11) it is rotatablely connected with rotating disk (6), the axis of the clamp column (7) overlaps with the axis of the second rotating shaft (11)；
    The hydraulic cylinder (3) is connected by isometric connecting rod (8) and sliding block (5)；
    The borehole drill construction includes drill bit (9), drilling direction the radially extending along clamp column (7) of the drill bit (9).
  2. 2. the device according to claim 1 for being drilled to circular valve element, it is characterised in that：The rotating disk (6) It is rotatablely connected by first rotating shaft (10) and pillar (4), the clamp column (7) is centered on first rotating shaft (10) into circumference point Cloth, or, the axis of the clamp column (7) overlap with the axis of first rotating shaft (10).
  3. 3. according to claim 1-2 selects one for the device that is drilled to circular valve element, it is characterised in that：It is described Borehole drill construction includes support (12), slide plate (13), some first units, and the slide plate (13) is slidably connected with support (12), First units include the first motor (14), the drill bit (9), and the drill bit (9) is connected with the first motor (14).
  4. 4. the device according to claim 1 for being drilled to circular valve element, it is characterised in that：The borehole drill construction Also include guide rail (15), pole (16), the guide rail (15) and the diameter parallel or oblique of clamp column (7), the bottom of the pole (16) End rolls with guide rail (15) and connected, and the pole (16) is provided with fixed plate (17), and the fixed plate (17) is provided with some second and bored Hole unit, second units include the second motor (18), the drill bit (9), and the drill bit (9) passes with the second motor (18) Dynamic connection.
  5. 5. the device according to claim 1 for being drilled to circular valve element, it is characterised in that：2 pillars (4) lift cylinders (19) are provided between, the top of the lift cylinders (19) is provided with the act flitch (20) for being used for lifting valve element.
  6. 6. the device according to claim 5 for being drilled to circular valve element, it is characterised in that：The act flitch (20) it is arc.
  7. 7. the device according to claim 1 for being drilled to circular valve element, it is characterised in that：The borehole drill construction Including multiple the 3rd units for being used to carry out same valve element Drilling operation, the 3rd units include the 3rd motor (21), the drill bit (9), the drill bit (9) are connected with the 3rd motor (21).
CN201510219854.3A 2015-04-30 2015-04-30 A kind of device for being drilled to circular valve element Active CN104942333B (en)

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Application Number Priority Date Filing Date Title
CN201510219854.3A CN104942333B (en) 2015-04-30 2015-04-30 A kind of device for being drilled to circular valve element

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Application Number Priority Date Filing Date Title
CN201510219854.3A CN104942333B (en) 2015-04-30 2015-04-30 A kind of device for being drilled to circular valve element

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CN104942333B true CN104942333B (en) 2017-11-17

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107350514A (en) * 2017-08-09 2017-11-17 华东矿用设备有限公司 A kind of valve machining production line
CN108188433A (en) * 2017-12-25 2018-06-22 全椒县新华机械有限责任公司 A kind of oil pipe Drilling operation device
CN108480683A (en) * 2018-04-10 2018-09-04 重庆市耀植机械有限责任公司 A kind of drilling equipment
CN109014909A (en) * 2018-09-21 2018-12-18 杜商精机（嘉兴）有限公司 Valve body and spool high-precision integrative processing unit (plant)
CN111702530B (en) * 2020-07-08 2022-03-11 铜陵爱阀科技有限公司 Valve production equipment
CN116871931B (en) * 2023-09-07 2023-12-26 兴化市通舟船舶设备有限公司 Gear drilling processing stop gear

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101954502A (en) * 2010-06-10 2011-01-26 无锡华联精工机械有限公司 CNC (Computerized Numerical Control) drilling machine for processing pipe fittings
CN202155715U (en) * 2011-03-30 2012-03-07 芜湖瑞和机电有限公司 Rotary bidirectional drilling clamp
CN103978373A (en) * 2014-05-30 2014-08-13 苏州市富尔达科技股份有限公司 Drilling and tapping device for door closer
CN104117705A (en) * 2013-04-26 2014-10-29 郦峰 Four-drill drilling machine
CN104384948A (en) * 2014-09-16 2015-03-04 芜湖市华益阀门制造有限公司 Radial drilling fixture of rotating disc part

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202087862U (en) * 2011-03-30 2011-12-28 芜湖瑞和机电有限公司 Multi-drill frock clamp
CN202263956U (en) * 2011-09-09 2012-06-06 苏州东方铁塔有限公司 Large steel plate member drilling device
CN202894405U (en) * 2012-10-26 2013-04-24 昆山集智成模具有限公司 Guide plate drill

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101954502A (en) * 2010-06-10 2011-01-26 无锡华联精工机械有限公司 CNC (Computerized Numerical Control) drilling machine for processing pipe fittings
CN202155715U (en) * 2011-03-30 2012-03-07 芜湖瑞和机电有限公司 Rotary bidirectional drilling clamp
CN104117705A (en) * 2013-04-26 2014-10-29 郦峰 Four-drill drilling machine
CN103978373A (en) * 2014-05-30 2014-08-13 苏州市富尔达科技股份有限公司 Drilling and tapping device for door closer
CN104384948A (en) * 2014-09-16 2015-03-04 芜湖市华益阀门制造有限公司 Radial drilling fixture of rotating disc part

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