CN110722185B - Crankshaft connecting rod double-head synchronous multi-shaft drilling device - Google Patents

Crankshaft connecting rod double-head synchronous multi-shaft drilling device Download PDF

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Publication number
CN110722185B
CN110722185B CN201911068082.2A CN201911068082A CN110722185B CN 110722185 B CN110722185 B CN 110722185B CN 201911068082 A CN201911068082 A CN 201911068082A CN 110722185 B CN110722185 B CN 110722185B
Authority
CN
China
Prior art keywords
rotating shaft
drilling
bearing platform
workpiece
drill bit
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
CN201911068082.2A
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Chinese (zh)
Other versions
CN110722185A (en
Inventor
刘雪侠
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.)
Nantong Huagong Machinery Co ltd
Original Assignee
Nantong Huagong Machinery Co ltd
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 Nantong Huagong Machinery Co ltd filed Critical Nantong Huagong Machinery Co ltd
Priority to CN201911068082.2A priority Critical patent/CN110722185B/en
Publication of CN110722185A publication Critical patent/CN110722185A/en
Application granted granted Critical
Publication of CN110722185B publication Critical patent/CN110722185B/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
    • 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
    • B23Q11/00Accessories 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
    • B23Q11/0042Devices for removing chips
    • 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

Abstract

The invention relates to the field of crankshaft connecting rod processing, in particular to a crankshaft connecting rod double-end synchronous multi-shaft drilling device which comprises a base, a translation device arranged at the top end of the base, a workpiece clamping device arranged at the top end of the base and positioned beside a translation assembly, and a drilling device for drilling a crankshaft connecting rod, the translation assembly comprises a bearing platform and two slide rails, the two slide rails are respectively arranged at two sides of the top end of the base in a horizontal state, each slide rail is provided with a plurality of slide blocks which are in sliding fit with the slide rails, the bearing platform is arranged at the top ends of all the slide blocks in a horizontal state, the drilling device is arranged at the top end of the bearing platform, the synchronous multi-shaft drilling operation with the double heads on the crankshaft connecting rod is achieved through the mutual matching operation among the translation device, the workpiece clamping device and the drilling device, and the problems of inconvenience and inaccurate positions caused by multiple times of drilling are reduced.

Description

Crankshaft connecting rod double-head synchronous multi-shaft drilling device
Technical Field
The invention relates to the field of crankshaft connecting rod machining, in particular to a crankshaft connecting rod double-end synchronous multi-shaft drilling device.
Background
The main motion mechanism of crank connecting rod mechanism engine. The function is to convert the reciprocating motion of the piston into the rotating motion of the crankshaft, and simultaneously convert the force acting on the piston into the torque output by the crankshaft to drive the automobile wheels to rotate. The crank connecting rod mechanism consists of a piston group, a connecting rod group, a crankshaft, a flywheel group and other parts, wherein the connecting rod group is the crankshaft connecting rod.
The crankshaft connecting rod is a common part in automobile engines, motorcycle engines and the like, but under the application of some special environments, two ends of the crankshaft rod need to be drilled, and some common drilling equipment cannot complete the synchronous drilling and multi-shaft simultaneous drilling of the two ends of the crankshaft rod, so that a double-end synchronous multi-shaft drilling device for the shaft connecting rod is needed to be designed.
Disclosure of Invention
The invention aims to provide a crankshaft connecting rod double-end synchronous multi-shaft drilling device aiming at the defects of the prior art, and the problems of inconvenience and inaccurate position caused by multiple times of drilling are solved by the mutual matching work among a translation device, a workpiece clamping device and a drilling device.
In order to solve the above problems, the present invention provides the following technical solutions:
the utility model provides a synchronous multiaxis drilling equipment of crankshaft connecting rod double-end, including the base, still including setting up the translation device on the base top, install on the base top and be located the work piece clamping device of translation subassembly side and be used for the drilling equipment of crankshaft connecting rod drilling, the translation subassembly is including load-bearing platform and two slide rails, and two slide rails are the horizontality and install the both sides on the base top respectively, all are provided with a plurality of and slide rail sliding fit's slider on every slide rail, and load-bearing platform is the horizontality and installs the top at all sliders, and drilling equipment sets up the top at load-bearing platform.
Further, the translation subassembly is still including pivot mounting panel and the driving electric jar that is used for driving load-bearing platform along the slide rail translation, the pivot mounting panel is vertical state and installs on load-bearing platform's top, and the driving electric jar is horizontal state and installs on the base and the output of driving electric jar sets up towards load-bearing platform's direction, and the output and the load-bearing platform of driving electric jar are connected.
Further, drilling equipment is including drive assembly, first drilling subassembly and second drilling subassembly are all installed on the pivot mounting panel, and first drilling equipment and second drilling equipment are parallel arrangement, and drive assembly installs in load-bearing platform's bottom, still sets up on the base to be used for dodging drive assembly's the groove of dodging.
Furthermore, the first drilling assembly and the second drilling assembly are identical in structure and respectively comprise a rotating shaft and a plurality of drill bit jackets, the rotating shaft penetrates through the rotating shaft mounting plate in a horizontal state, the middle section of the rotating shaft is coupled with the rotating shaft mounting plate, the tail end of the rotating shaft is provided with a driven wheel, the front end of the rotating shaft is provided with a driving gear, all the drill bit jackets are arranged at the front end of the rotating shaft and are sequentially arranged along the circumferential direction of the rotating shaft, the middle section of each drill bit jacket is provided with a driven gear, all the driven gears are meshed with the driving gear, the tail end of each drill bit jacket is inserted into the rotating shaft mounting plate and is coupled with the rotating shaft mounting plate, the front end of the rotating shaft mounting plate is positioned at the front ends of the first drilling assembly and the second drilling assembly and is provided with a rotating shaft protective shell, and the front ends of the drill bit, the drill bit is horizontally arranged at the front end of the drill bit jacket, and the output end of the drill bit faces the direction of the workpiece clamping device.
Further, drive assembly is including driving motor and motor mounting panel, the motor mounting panel is vertical state and installs in load-bearing platform's bottom, and driving motor installs on the motor mounting panel, driving motor's output sets up and uses the action wheel, and the action wheel all is connected through the belt with the follow driving wheel on first drilling subassembly and the second drilling subassembly, still set up on the pivot mounting panel and be used for adjusting the tight pulley of belt elasticity with two.
Furthermore, the workpiece clamping device comprises a workpiece containing frame, a workpiece pressing cylinder and two fragment collecting boxes, wherein the workpiece containing frame is arranged on the vertical state mounting base, a fixing clamp used for fixing the workpiece is arranged between the workpiece containing frame and the drill bit clamping sleeve on the workpiece containing frame, the workpiece pressing cylinder is arranged at the top end of the workpiece containing frame in a vertical state, the output end of the workpiece pressing cylinder is downwards arranged and extends towards the fixing clamp, and the fragments are collected and respectively arranged on two sides of the workpiece containing frame and located below the fixing clamp.
Furthermore, the both ends that lie in the side of one of them slide rail on the base all are provided with the buffer, and load-bearing platform's bottom still sets up the contact block that is used for cooperating the buffer.
Has the advantages that:
according to the double-head synchronous multi-shaft drilling device for the crankshaft connecting rod, the double-head synchronous multi-shaft drilling work on the crankshaft connecting rod is achieved through the mutual matching work among the translation device, the workpiece clamping device and the drilling device, the crankshaft connecting rod is prevented from being arranged on the fixing clamp, the output shaft of the workpiece pressing cylinder is pushed out and pressed on the crankshaft connecting rod, the driving motor is started to enable the drill bit to rotate, then the electric cylinder is driven to push the bearing platform towards the workpiece clamping device, when the bearing platform moves towards the workpiece clamping device along the sliding rail, the drill bit can touch the crankshaft connecting rod and complete the drilling work, and the problems of inconvenience and inaccurate position caused by multiple times of drilling are solved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic perspective view of a workpiece clamping device according to the present invention;
FIG. 4 is a schematic perspective view of the translation device of the present invention;
FIG. 5 is a schematic perspective view of a drilling apparatus according to the present invention;
FIG. 6 is a schematic perspective view of a second embodiment of the drilling apparatus of the present invention;
FIG. 7 is an exploded perspective view of the drilling assembly of the present invention;
description of reference numerals:
the device comprises a translation device 1, a bearing platform 11, a sliding rail 12, a sliding block 13, a rotating shaft mounting plate 14, a driving electric cylinder 15, a buffer 16, a collision block 17, a workpiece clamping device 2, a workpiece containing frame 21, a workpiece pressing air cylinder 22, a debris collecting box 23, a fixing clamp 24, a drilling device 3, a driving assembly 31, an avoiding groove 311, a driving motor 312, a driving wheel 313, a tension wheel 314, a motor mounting plate 315, a first drilling assembly 32, a second drilling assembly 33, a rotating shaft 331, a drill bit jacket 332, a driven wheel 333, a driven gear 334 and a rotating shaft protective shell 335.
Detailed Description
The following detailed description of specific embodiments of the present invention is made with reference to the accompanying drawings and examples:
referring to fig. 1 to 7, a synchronous multiaxis drilling equipment 3 of crankshaft connecting rod double-end that shows, including the base, still including setting up translation device 1 on the base top, install on the base top and be located the workpiece clamping device 2 of translation subassembly side and be used for the drilling equipment 3 of crankshaft connecting rod drilling, the translation subassembly is including load-bearing platform 11 and two slide rails 12, and two slide rails 12 are the horizontality and install the both sides on the base top respectively, all are provided with a plurality of and slide rail 12 sliding fit's slider 13 on every slide rail 12, and load-bearing platform 11 is the horizontality and installs the top at all sliders 13, and drilling equipment 3 sets up the top at load-bearing platform 11.
The translation subassembly is still including pivot mounting panel 14 and the driving electric jar 15 that is used for driving bearing platform 11 along slide rail 12 translation, pivot mounting panel 14 is vertical state and installs the top at bearing platform 11, and driving electric jar 15 is horizontal state and installs on the base and the direction setting of driving electric jar 15's output towards bearing platform 11, and driving electric jar 15's output is connected with bearing platform 11. Through setting up driving electric cylinder 15, driving electric cylinder 15 can be with load-bearing platform 11 along the sliding direction back-and-forth movement of slide rail 12, and the convenient installation drilling equipment 3 setting of installation when still setting up pivot mounting panel 14 at the top of load-bearing platform 11.
Drilling equipment 3 is including drive assembly 31, first drilling subassembly 32 and second drilling subassembly 33 are all installed on pivot mounting panel 14, and first drilling equipment 3 and second drilling equipment 3 are parallel arrangement, and drive assembly 31 installs in the bottom of load-bearing platform 11, still sets up on the base to be used for dodging drive assembly 31 dodge the groove 311. Drive assembly 31 installs in the bottom of load-bearing platform 11, and load-bearing platform 11 can be driven by drive electric cylinder 15 and remove at the during operation, sets up on the base and dodges the hole and make things convenient for drive assembly 31 to remove can not produce collision or friction with the base.
The first drilling assembly 32 and the second drilling assembly 33 are identical in structure and comprise a rotating shaft 331 and a plurality of drill bit jackets 332, the rotating shaft 331 horizontally penetrates through the rotating shaft mounting plate 14, the middle section of the rotating shaft 331 is coupled with the rotating shaft mounting plate 14, the tail end of the rotating shaft 331 is provided with a driven wheel 333, the front end of the rotating shaft 331 is provided with a driving gear, all the drill bit jackets 332 are arranged at the front end of the rotating shaft 331 and all the drill bit jackets 332 are sequentially arranged along the circumferential direction of the rotating shaft 331, the middle section of each drill bit jacket 332 is provided with a driven gear 334, all the driven gears 334 are meshed with the driving gear, the tail end of each drill bit jacket 332 is inserted into the rotating shaft mounting plate 14 and is axially connected with the rotating shaft mounting plate 14, and the front ends of the rotating shaft mounting plate 14, which are located at the front ends of the first drilling assembly, the front end of the drill bit jacket 332 penetrates through the rotating shaft protective shell 335 and is coupled with the rotating shaft protective shell 335, the drill bit is horizontally arranged at the front end of the drill bit jacket 332, and the output end of the drill bit is arranged towards the workpiece clamping device 2. The driven wheel 333 arranged at the tail end of the rotating shaft 331 is driven by the driving component 31 to rotate the rotating shaft 331, the rotating shaft 331 drives the driving gear while rotating, the driving gear drives the driven gear 334 meshed with the driving gear to rotate the drill bit jacket 332, and the drill bit is installed at the output end of the drill bit jacket 332 to rotate.
Drive assembly 31 is including driving motor 312 and motor mounting panel 315, motor mounting panel 315 is vertical state and installs the bottom at load-bearing platform 11, and driving motor 312 installs on motor mounting panel 315, driving wheel 313 is used in the output setting of driving motor 312, and driving wheel 313 all is connected through the belt with first drilling subassembly 32 and the driven wheel 333 on the second drilling subassembly 33, still set up on the pivot mounting panel 14 and be used for adjusting the tight degree of belt tight pulley 314 with two. The driving wheel 313 arranged on the output shaft is driven by the driving motor 312 to rotate, the driving wheel 313 drives the two driven wheels 333 through a belt, and the tension wheel 314 which is provided with two conditions of belt tightness and controls the tightness degree of the belt is arranged on the rotating shaft mounting plate 14, and the tension wheel 314 is arranged on the rotating shaft mounting plate 14 and can be adjusted slightly through bolts.
The workpiece clamping device 2 comprises a workpiece containing frame 21, a workpiece pressing cylinder 22 and two fragment collecting boxes 23, wherein the workpiece containing frame 21 is arranged on the base in a vertical state, a fixing clamp 24 used for fixing a workpiece is arranged between the workpiece containing frame 21 and the drill clamping sleeve 332 on the workpiece containing frame 21, the workpiece pressing cylinder 22 is arranged at the top end of the workpiece containing frame 21 in a vertical state, the output end of the workpiece pressing cylinder 22 is downwards arranged and extends towards the fixing clamp 24, and the two fragments are collected and respectively arranged on two sides of the workpiece containing frame 21 and are arranged below the fixing clamp 24. The height of the fixing clamp 24 is set to be consistent with the height of the drill through the workpiece containing frame 21, the workpiece is placed on the fixing clamp 24, the workpiece is pressed down through the workpiece pressing air cylinder 22 and is propped against the fixing clamp 24, so that the workpiece is fixed, the fragment collecting box 23 is arranged at the bottom end of the fixing clamp 24, metal fragments generated by drilling are collected in the process, and the fragments are placed and clamped on the driving motor 312 or the driving electric cylinder 15.
The two ends of the base, which are located beside one of the slide rails 12, are provided with buffers 16, and the bottom end of the bearing platform 11 is further provided with a collision block 17 used for matching with the buffers 16. The buffer 16 is arranged to cooperate with the abutment block 17 in order to prevent the carrier platform 11 from being pushed out of the slide rail 12.
The working principle is as follows: firstly, the crankshaft connecting rod is prevented from being arranged on the fixing clamp 24, then the output shaft of the workpiece pressing cylinder is ejected out for pressing and mounting the crankshaft connecting rod, at this time, the driving motor 312 is started to enable the drill bit to rotate, then the electric cylinder 15 is driven to push the bearing platform 11 towards the workpiece clamping device 2, and when the bearing platform 11 moves towards the workpiece clamping device 2 along the slide rail 12, the drill bit can touch the crankshaft connecting rod and continue to go deep to complete the drilling work.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims (1)

1. The utility model provides a synchronous multiaxis drilling equipment of bent axle connecting rod double-end, including the base, its characterized in that: the drilling device comprises a translation device (1) arranged at the top end of a base, a workpiece clamping device (2) arranged at the top end of the base and located beside a translation assembly, and a drilling device (3) used for drilling a crankshaft connecting rod, wherein the translation assembly comprises a bearing platform (11) and two slide rails (12), the two slide rails (12) are arranged at two sides of the top end of the base respectively in a horizontal state, each slide rail (12) is provided with a plurality of slide blocks (13) in sliding fit with the slide rails (12), the bearing platform (11) is arranged at the top ends of all the slide blocks (13) in a horizontal state, the drilling device (3) is arranged at the top end of the bearing platform (11), the translation assembly further comprises a rotating shaft mounting plate (14) and a driving electric cylinder (15) used for driving the bearing platform (11) to translate along the slide rails (12), and the rotating shaft mounting plate (14) is arranged at the top end of the bearing platform, the electric driving cylinder (15) is horizontally arranged on the base, the output end of the electric driving cylinder (15) faces the direction of the bearing platform (11), the output end of the electric driving cylinder (15) is connected with the bearing platform (11), the drilling device (3) comprises a driving assembly (31), a first drilling assembly (32) and a second drilling assembly (33), the first drilling assembly (32) and the second drilling assembly (33) are both arranged on the rotating shaft mounting plate (14), the first drilling device (3) and the second drilling device (3) are arranged in parallel, the driving assembly (31) is arranged at the bottom end of the bearing platform (11), the base is further provided with an avoiding groove (311) for avoiding the driving assembly (31), the first drilling assembly (32) and the second drilling assembly (33) are identical in structure and both comprise a rotating shaft (331) and a plurality of drill bit clamping sleeves (332), the drill bit clamping device is characterized in that the rotating shaft (331) penetrates through the rotating shaft mounting plate (14) in a horizontal state, the middle section of the rotating shaft (331) is in shaft connection with the rotating shaft mounting plate (14), a driven wheel (333) is arranged at the tail end of the rotating shaft (331), a driving gear is arranged at the front end of the rotating shaft (331), all the drill bit clamping sleeves (332) are arranged at the front end of the rotating shaft (331) in sequence along the circumferential direction of the rotating shaft (331), a driven gear (334) is arranged at the middle section of each drill bit clamping sleeve (332), all the driven gears (334) are meshed with the driving gear, the tail end of each drill bit clamping sleeve (332) is inserted into the rotating shaft mounting plate (14) and connected with the rotating shaft mounting plate (14), a rotating shaft protective shell (335) is arranged at the front ends of the first drilling assembly (32) and the second drilling assembly (33), the front end of the drill bit jacket (332) penetrates through the rotating shaft protective shell (335) and is in shaft connection with the rotating shaft protective shell (335), the drill bit is horizontally arranged at the front end of the drill bit jacket (332), the output end of the drill bit faces the direction of the workpiece clamping device (2), the driving assembly (31) comprises a driving motor (312) and a motor mounting plate (315), the motor mounting plate (315) is vertically arranged at the bottom end of the bearing platform (11), the driving motor (312) is arranged on the motor mounting plate (315), the output end of the driving motor (312) is provided with a driving wheel (313), the driving wheel (313) is connected with driven wheels (333) on the first drilling assembly (32) and the second drilling assembly (33) through belts, and the rotating shaft mounting plate (14) is further provided with two tension wheels (314) for adjusting the tightness degree of the belts, the workpiece clamping device (2) comprises a workpiece containing frame (21), a workpiece pressing cylinder (22) and two fragment collecting boxes (23), wherein the workpiece containing frame (21) is vertically arranged on a base, a fixing clamp (24) for fixing a workpiece is arranged between the workpiece containing frame (21) and a drill bit clamping sleeve (332) on the workpiece containing frame (21), the workpiece pressing cylinder (22) is vertically arranged at the top end of the workpiece containing frame (21), the output end of the workpiece pressing cylinder (22) is downwards arranged and extends towards the fixing clamp (24), the two fragment collecting boxes are respectively arranged at two sides of the workpiece containing frame (21) and below the fixing clamp (24), buffers (16) are respectively arranged at two ends of the side of one sliding rail (12) on the base, and a butting block (17) for matching with the buffers (16) is further arranged at the bottom end of the bearing platform (11), the crankshaft connecting rod is placed on the fixing clamp at first, then the output shaft of the workpiece pressing cylinder is ejected out to press the crankshaft connecting rod, the driving motor is started to enable the drill bit to rotate, then the electric cylinder is driven to push the bearing platform towards the workpiece clamping device, and when the bearing platform moves towards the workpiece clamping device along the sliding rail, the drill bit can touch the crankshaft connecting rod and continue to go deep to complete drilling work.
CN201911068082.2A 2019-11-04 2019-11-04 Crankshaft connecting rod double-head synchronous multi-shaft drilling device Expired - Fee Related CN110722185B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911068082.2A CN110722185B (en) 2019-11-04 2019-11-04 Crankshaft connecting rod double-head synchronous multi-shaft drilling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911068082.2A CN110722185B (en) 2019-11-04 2019-11-04 Crankshaft connecting rod double-head synchronous multi-shaft drilling device

Publications (2)

Publication Number Publication Date
CN110722185A CN110722185A (en) 2020-01-24
CN110722185B true CN110722185B (en) 2020-12-01

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111408964B (en) * 2020-04-26 2021-08-06 蔚蓝计划(北京)科技有限公司 Reciprocating piston type engine crankshaft machining robot
CN112024933A (en) * 2020-09-09 2020-12-04 广州花筑科技有限公司 Drilling device for machining numerical control machine tool

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2768539A (en) * 1951-03-21 1956-10-30 Wollenhaupt Jakob Electrically controlled drilling machine, particularly for drilling deep holes
JPH07100242B2 (en) * 1987-08-24 1995-11-01 エンシュウ株式会社 Automatic head change machine tool with magazine
CN2541091Y (en) * 2002-05-15 2003-03-26 陆建国 Regulatable line drilling machine
CN201537727U (en) * 2009-09-23 2010-08-04 南通润邦重机有限公司 Movable feed system
CN201586768U (en) * 2009-10-11 2010-09-22 谢国兵 Multiple-spindle drilling machine

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TA01 Transfer of patent application right

Effective date of registration: 20201111

Address after: 226600 Jiangsu city of Nantong province Haian County baiding town of white village's white South 8 group

Applicant after: NANTONG HUAGONG MACHINERY Co.,Ltd.

Address before: 241002 Anhui Province, Wuhu city Yijiang District Higher Education Park Wenjin Road No. 16

Applicant before: Liu Xuexia

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201201

Termination date: 20211104