CN108015310B - A kind of double drilling machine processing platforms of drilling machine - Google Patents

A kind of double drilling machine processing platforms of drilling machine Download PDF

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Publication number
CN108015310B
CN108015310B CN201711296064.0A CN201711296064A CN108015310B CN 108015310 B CN108015310 B CN 108015310B CN 201711296064 A CN201711296064 A CN 201711296064A CN 108015310 B CN108015310 B CN 108015310B
Authority
CN
China
Prior art keywords
fixed
workpiece
drilling machine
support base
drilling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201711296064.0A
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Chinese (zh)
Other versions
CN108015310A (en
Inventor
韩雪飞
贾文文
邢智东
黄新伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pengchuan Cheqiao Co., Ltd. of Junan County
Original Assignee
Pengchuan Cheqiao Co Ltd Of Junan County
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pengchuan Cheqiao Co Ltd Of Junan County filed Critical Pengchuan Cheqiao Co Ltd Of Junan County
Priority to CN201711296064.0A priority Critical patent/CN108015310B/en
Publication of CN108015310A publication Critical patent/CN108015310A/en
Application granted granted Critical
Publication of CN108015310B publication Critical patent/CN108015310B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B39/00General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
    • B23B39/16Drilling machines with a plurality of working-spindles; Drilling automatons
    • B23B39/22Drilling machines with a plurality of working-spindles; Drilling automatons with working-spindles in opposite headstocks
    • 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
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22Feeding members carrying tools or work
    • B23Q5/28Electric drives
    • 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
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22Feeding members carrying tools or work
    • B23Q5/34Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • B23Q5/38Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
    • B23Q5/40Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Abstract

The invention discloses a kind of double drilling machine processing platforms of drilling machine, comprising: workbench, the workbench are fixed on the rack, and the middle part of the workbench is equipped with groove, are symmetrically installed with drilling machine on the table surface of the groove two sides;Support base, the support base is equipped with lead screw, sliding sleeve is threaded on the lead screw, the sliding sleeve is fixed on the bottom of Work piece fixing platform, and the both ends of the Work piece fixing platform are equipped with fixed plate, are equipped with cylinder on the outside of the fixed plate, the telescopic end of the cylinder is fixed with claw, the lower rotation of the support base is connected to the top of screw rod, and the screw rod is engaged with turbine, and the turbine is fixed on the output end of the first stepper motor.Workpiece of the present invention is fixed, in boring procedure, can be reconciled up and down workpiece, it realizes to progress drilling operation at workpiece different location, under the action of two drilling machines, drilling processing can be carried out to the two sides of workpiece simultaneously, improve the processing efficiency of drilling.

Description

A kind of double drilling machine processing platforms of drilling machine
Technical field
The invention belongs to machinery to set technical field, and in particular to a kind of double drilling machine processing platforms of drilling machine.
Background technique
Machining refers to the process of to be changed by outer dimension or performance of a kind of mechanical equipment to workpiece.By adding Difference in work mode can be divided into machining and pressure processing.The production process of machine refers to be made from raw material (or semi-finished product) At all processes of product.For production of machinery include raw material transport and preservation, the preparation of production, the manufacture of blank, The processing and heat treatment of part, the assembly and debugging of product, the contents such as paint and packaging.The content of production process is very extensive, The principle and method tissue of modern enterprise system analysis engineering produce and Instructing manufacture, regards production process as one with defeated The production system for entering and exporting processes the machinery of needs by digital display milling machine, digital display form grinder, digital display lathe, electric discharge machine, ten thousand Can grinding machine, machining center, laser welding, in walk conventional machinery silk, fast wire winding, slow wire feeding, cylindrical grinder, internal grinder, precision Lathe etc., can carry out the processing such as vehicle, milling, plane, mill of precision component, and such machinery is good at vehicle, milling, plane, mill of precision component etc. Processing, can process various irregular shape parts, machining accuracy is up to 2 μm.In process of production, all change production objects Shape, size, position and property etc., the process for becoming finished product or semi-finished product is known as technical process.It is to produce The major part of journey.Technical process can be divided into the technical process such as casting, forging, punching press, welding, machining, assembly again, mechanical Process for making generally refers to the summation of the machining work process of part and the assembling technology procedure of machine, other processes Then it is known as supporting process, such as transport, keeping, power supply, maintenance of equipment etc..Technical process is suitable by one or several again The process composition of sequence arrangement, a process several work steps by being made of.
In the manufacturing procedure to drill to workpiece, existing drilling machine platform can only drill to the side of workpiece, After the completion of one side can only be waited to bore do-nothing operation when needing the another side to workpiece to drill, workpiece is retightened, it could be right The another side of workpiece drills, and elastic workpiece, which exists, repeatedly is not fixed firmly the hidden danger leaned on, and when needing batch processing to process, bores Hole low efficiency.
Summary of the invention
The purpose of the present invention is to provide a kind of double drilling machine processing platforms of drilling machine, to solve to propose in above-mentioned background technique The problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of double drilling machine processing platforms of drilling machine, comprising:
Workbench, the workbench are fixed on the rack, and the middle part of the workbench is equipped with groove, the groove two sides Drilling machine is symmetrically installed on table surface;
Support base, the support base are equipped with lead screw, and one end of the lead screw and the output end of second stepper motor are fixed It connects, is threaded with sliding sleeve on the lead screw, the sliding sleeve is fixed on the bottom of Work piece fixing platform, the Work piece fixing platform Both ends are equipped with fixed plate, are equipped with cylinder on the outside of the fixed plate, the telescopic end of the cylinder is fixed with claw, the support base Lower rotation be connected to the top of screw rod, the screw rod is engaged with turbine, and the turbine is fixed on the defeated of the first stepper motor Outlet.
Preferably, integrated setting has anti-skid chequer on the inner sidewall of the claw.
Preferably, the lower surface two sides integrated setting of the Work piece fixing platform has chimb, between the chimb and sliding sleeve Form sliding slot.
Preferably, the sliding slot and the sliding rail of support base two sides are slidably connected.
Preferably, positioning plate is fixed with by fixed link in the rack, first stepper motor is fixed on positioning plate On.
Preferably, the bottom side of the support base is fixed with guide rod, and the bottom of the guide rod is movably connected on positioning plate.
Preferably, the drilling machine is detachably secured on workbench by bolt, and the workbench is equipped with mounting groove.
Preferably, the screw rod passes through positioning plate, and the bottom end of the screw rod is fixed with limited block.
Technical effect and advantage of the invention:
1, claw is pushed to carry out clamping fixed to workpiece by cylinder, claw is V-shaped, workpiece can be fixed and be scheduled on claw Interior, workpiece is fixed;
2, in boring procedure, turbine is driven by the first stepper motor, and then drive screw rod using gear, so that screw rod It drives support base to rise, and then adjusts the height of workpiece on Work piece fixing platform, realize to carrying out drilling behaviour at workpiece different height Make, then by second stepper motor drive lead screw, by driving lead screw drive sliding sleeve movement so that Work piece fixing platform along Sliding rail on support base is moved, and then adjusts the horizontal position of workpiece, is realized to carrying out drilling behaviour at workpiece different location Make;
3, under the action of two drilling machines, drilling processing can be carried out to the two sides of workpiece simultaneously, improves adding for drilling Work efficiency rate.
Detailed description of the invention
Fig. 1 is a kind of overlooking structure diagram of the drilling machine of the present invention with double drilling machine processing platforms;
Fig. 2 is a kind of side structure schematic view of the drilling machine of the present invention with double drilling machine processing platforms;
Fig. 3 is a kind of drilling machine mounting structure schematic diagram of the drilling machine of the present invention with double drilling machine processing platforms;
Fig. 4 is a kind of Work piece fixing platform structural schematic diagram of the drilling machine of the present invention with double drilling machine processing platforms;
Fig. 5 is a kind of support base overlooking structure diagram of the drilling machine of the present invention with double drilling machine processing platforms.
In figure: 1 workbench, 101 mounting grooves, 2 drilling machines, 3 grooves, 4 Work piece fixing platforms, 401 fixed plates, 402 chimbs, 403 Sliding slot, 5 cylinders, 6 claws, 7 racks, 8 fixed links, 9 positioning plates, 10 screw rods, 11 guide rods, 12 support bases, 121 sliding rails, 13 first Stepper motor, 14 turbines, 15 lead screws, 16 sliding sleeves, 17 second stepper motors, 18 limited blocks.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
As shown in Figs. 1-5, the double drilling machine processing platforms of a kind of drilling machine, comprising:
Workbench 1, the workbench 1 are fixed in rack 7, and the middle part of the workbench 1 is equipped with groove 3, the groove 3 Drilling machine 2 is symmetrically installed on 1 surface of workbench of two sides;
Support base 12, the support base 12 are equipped with lead screw 15, one end and the second stepper motor 17 of the lead screw 15 Output end is fixedly connected, and sliding sleeve 16 is threaded on the lead screw 15, and the sliding sleeve 16 is fixed on the bottom of Work piece fixing platform 4 Portion, the both ends of the Work piece fixing platform 4 are equipped with fixed plate 401, are equipped with cylinder 5, the cylinder 5 on the outside of the fixed plate 401 Telescopic end be fixed with claw 6, the lower rotation of the support base 12 is connected to the top of screw rod 10, the screw rod 10 and turbine 14 engagements, the turbine 14 are fixed on the output end of the first stepper motor 13.
Integrated setting has anti-skid chequer on the inner sidewall of the claw 6, and claw 6 is V-shaped, when cylinder 5 stretches out, can incite somebody to action Workpiece fixing is scheduled in claw 6, and workpiece is fixed, and the anti-skid chequer on claw 6 can prevent workpiece from skidding, and is improved and is stablized Property.
The lower surface two sides integrated setting of the Work piece fixing platform 4 has a chimb 402, the chimb 402 and sliding sleeve 16 it Between formed sliding slot 403, be bonded to each other between Work piece fixing platform 4 and support base 12, when second stepper motor 17 rotate when, drive silk Thick stick 15 and then the drive movement of sliding sleeve 16, so that Work piece fixing platform 4 is moved along support base 12.
The sliding slot 403 and the sliding rail 121 of 12 two sides of support base are slidably connected, and sliding slot 403 is mutually embedding with sliding rail 121 It closes, the smoothness of Work piece fixing platform 4 can be improved, be conducive to mention high control precision to the moving distance of workpiece, and then ensure that The precision of drilling improves processing quality.
Positioning plate 9 is fixed with by fixed link 8 in the rack 7, first stepper motor 14 is fixed on positioning plate 9 On, turbine 14 is driven by the first stepper motor 14, and then drive screw rod 10 using gear, so that screw rod 10 drives support base 12 Rise, and then adjust the height of workpiece on Work piece fixing platform 4, realizes to progress drilling operation at workpiece different height.
The bottom side of the support base 12 is fixed with guide rod 11, and the bottom of the guide rod 11 is movably connected on positioning plate 9, It is slidably connected between guide rod 11 and positioning plate 9, can prevent support base 12 from occurring in the process of moving up and down certainly by guide rod 11 Turn, guarantees that support base 12 only moves up and down.
The drilling machine 2 is detachably secured on workbench 1 by bolt, and the workbench 1 is equipped with mounting groove 101, is led to Cross the position of adjustment drilling machine 2, the distance between adjustable drilling machine 2 and workpiece.
The screw rod 10 passes through positioning plate 9, and the bottom end of the screw rod 10 is fixed with limited block 18, can by limited block 18 It is limited with the formation to screw rod 10, prevents screw rod 10 beyond stroke, equipment is protected.
Specifically, in use, workpiece is placed on Work piece fixing platform 4, by the promotion claw 6 of cylinder 5 to workpiece progress Clamping fixed drives turbine 14 by the first stepper motor 13, and then drive screw rod 10 using gear, makes in boring procedure Obtaining screw rod 10 drives support base 12 to rise, and then adjusts the height of workpiece on Work piece fixing platform 4, realizes to workpiece different height Drilling operation is carried out, then lead screw 15 is driven by second stepper motor 17, drives sliding sleeve 16 mobile by driving lead screw 15, So that Work piece fixing platform 4 is moved along the sliding rail 121 on support base 12, and then adjusts the horizontal position of workpiece, realization pair Drilling operation is carried out at workpiece different location, under the action of two drilling machine 2, drilling can be carried out to the two sides of workpiece simultaneously and added Work improves the processing efficiency of drilling.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features, All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims (1)

1. a kind of double drilling machine processing platforms of drilling machine characterized by comprising workbench (1), the workbench (1) are fixed on In rack (7), the middle part of the workbench (1) is equipped with groove (3), symmetrical on workbench (1) surface of groove (3) two sides Drilling machine (2) are installed;Support base (12), the support base (12) are equipped with lead screw (15), one end of the lead screw (15) and the The output end of two stepping motor (17) is fixedly connected, and is threaded with sliding sleeve (16) on the lead screw (15), the sliding sleeve (16) It is fixed on the bottom of Work piece fixing platform (4), the both ends of the Work piece fixing platform (4) are equipped with fixed plate (401), the fixed plate (401) outside is equipped with cylinder (5), and the telescopic end of the cylinder (5) is fixed with claw (6), the bottom of the support base (12) It is rotationally connected with the top of screw rod (10), the screw rod (10) is engaged with turbine (14), and the turbine (14) is fixed on the first step Into the output end of motor (13);Integrated setting has anti-skid chequer on the inner sidewall of the claw (6);The Work piece fixing platform (4) Lower surface two sides integrated setting have chimb (402), between the chimb (402) and sliding sleeve (16) formed sliding slot (403);Institute It states sliding slot (403) and the sliding rail (121) of support base (12) two sides is slidably connected;It is fixed by fixed link (8) on the rack (7) Have positioning plate (9), first stepper motor (13) is fixed on positioning plate (9);The bottom side of the support base (12) is solid Surely have guide rod (11), the bottom of the guide rod (11) is movably connected on positioning plate (9);The drilling machine (2) is detachable by bolt It is fixed on workbench (1), the workbench (1) is equipped with mounting groove (101);The screw rod (10) passes through positioning plate (9), institute The bottom end for stating screw rod (10) is fixed with limited block (18);In use, workpiece is placed on Work piece fixing platform (4), pass through cylinder (5) it pushes claw (6) to carry out clamping fixed to workpiece, in boring procedure, drives turbine by the first stepper motor (13) (14), it and then using gear driving screw rod (10), so that screw rod (10) drives support base (12) to rise, and then adjusts workpiece and fixes The height of workpiece on platform (4) is realized and is driven to progress drilling operation at workpiece different height, then by second stepper motor (17) Lead screw (15) drives sliding sleeve (16) mobile, so that Work piece fixing platform (4) is along support base (12) by driving lead screw (15) On sliding rail (121) moved, and then adjust the horizontal position of workpiece, realize to carrying out drilling behaviour at workpiece different location Make, under the action of two drilling machine (2), drilling processing can be carried out to the two sides of workpiece simultaneously, improves the processing effect of drilling Rate.
CN201711296064.0A 2017-12-08 2017-12-08 A kind of double drilling machine processing platforms of drilling machine Expired - Fee Related CN108015310B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711296064.0A CN108015310B (en) 2017-12-08 2017-12-08 A kind of double drilling machine processing platforms of drilling machine

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Application Number Priority Date Filing Date Title
CN201711296064.0A CN108015310B (en) 2017-12-08 2017-12-08 A kind of double drilling machine processing platforms of drilling machine

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CN108015310B true CN108015310B (en) 2019-07-05

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110394676A (en) * 2019-08-06 2019-11-01 海盐汇联通用配件有限公司 A kind of hex nut fluting uses automatic slotting device
CN110385625A (en) * 2019-08-06 2019-10-29 海盐汇联通用配件有限公司 A kind of novel slotted nut process units
CN112338226B (en) * 2020-10-30 2023-07-07 中山开通塑胶五金有限公司 Multi-station drilling machine convenient for drilling holes at two ends of cylinder simultaneously
CN115816089B (en) * 2023-01-07 2023-04-21 东莞市锐纳精密刀具有限公司 Preparation device and preparation method of fast-assembled integrated pentagonal diamond groove cutter
CN117124090B (en) * 2023-10-26 2023-12-29 烟台金晖铜业有限公司 Fixing structure for parallel drilling and milling machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS642806A (en) * 1987-06-26 1989-01-06 Horikawa Denki Kogyo:Kk Device for boring hole in workpiece
CN203863373U (en) * 2014-06-03 2014-10-08 温州职业技术学院 Precise servo-drive sliding worktable
CN204818857U (en) * 2015-08-04 2015-12-02 安徽机电职业技术学院 Clamping device of car axostylus axostyle class part platform face processing
CN206373389U (en) * 2017-01-22 2017-08-04 东莞普力司新机械有限公司 A kind of motor case drilling equipment
CN206605061U (en) * 2017-03-01 2017-11-03 无锡特莱斯精密机械制造有限公司 A kind of new type auto puncher
CN107378028A (en) * 2017-07-21 2017-11-24 罗厚镇 A kind of radial drilling machine for being easy to regulation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9723849B2 (en) * 2013-05-29 2017-08-08 DAS Foods, LLC Method of coring a food blank

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS642806A (en) * 1987-06-26 1989-01-06 Horikawa Denki Kogyo:Kk Device for boring hole in workpiece
CN203863373U (en) * 2014-06-03 2014-10-08 温州职业技术学院 Precise servo-drive sliding worktable
CN204818857U (en) * 2015-08-04 2015-12-02 安徽机电职业技术学院 Clamping device of car axostylus axostyle class part platform face processing
CN206373389U (en) * 2017-01-22 2017-08-04 东莞普力司新机械有限公司 A kind of motor case drilling equipment
CN206605061U (en) * 2017-03-01 2017-11-03 无锡特莱斯精密机械制造有限公司 A kind of new type auto puncher
CN107378028A (en) * 2017-07-21 2017-11-24 罗厚镇 A kind of radial drilling machine for being easy to regulation

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