CN108655779A - A kind of automobile machinery part processing unit (plant) - Google Patents

A kind of automobile machinery part processing unit (plant) Download PDF

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Publication number
CN108655779A
CN108655779A CN201810494218.5A CN201810494218A CN108655779A CN 108655779 A CN108655779 A CN 108655779A CN 201810494218 A CN201810494218 A CN 201810494218A CN 108655779 A CN108655779 A CN 108655779A
Authority
CN
China
Prior art keywords
fixed plate
plate
pedestal
gear
fixed
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.)
Granted
Application number
CN201810494218.5A
Other languages
Chinese (zh)
Other versions
CN108655779B (en
Inventor
曹爱霞
陈江波
谢建新
刘浩
苑风云
曹传剑
刘超
陈肖媛
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.)
Qingdao Huanghai University
Original Assignee
Qingdao Huanghai University
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 Qingdao Huanghai University filed Critical Qingdao Huanghai University
Priority to CN201810494218.5A priority Critical patent/CN108655779B/en
Publication of CN108655779A publication Critical patent/CN108655779A/en
Application granted granted Critical
Publication of CN108655779B publication Critical patent/CN108655779B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25Movable or adjustable work or tool supports
    • 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
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/22Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
    • 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
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • 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
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • B23Q3/064Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The invention discloses a kind of automobile machinery part processing unit (plant)s, belong to mechanical equipment technical field.The device includes pedestal, the upper surface of pedestal is equipped with slide plate and connecting plate, and connecting plate is fixed on the side of pedestal, and slide plate is slidably connected at by the fixed sliding block in its bottom in the sliding slot of chassis interior, the inside engagement of sliding block is plugged with screw rod, and one end of screw rod is rotatably connected on the side wall of sliding slot;The lateral wall of connecting plate is equipped with the second fixed plate, it also is provided with snap-gauge on the outside of second fixed plate, the connecting shaft that the inside of connecting plate connect with the second fixed plate is rotatably connected on the inside of second fixed plate by connecting shaft runs through the side wall of connecting plate and extends in inner cavity and be fixedly connected with first gear.The present invention can rotate the angle that pointer meaning can be shown with table slot by pointer in table slot, realize two fixed plates in rotation, and pointer need not can in advance be measured, improved work efficiency with the inclined angle of random observation institute.

Description

A kind of automobile machinery part processing unit (plant)
Technical field
The present invention relates to mechanical equipment technical field, specially a kind of automobile machinery part processing unit (plant).
Background technology
Currently, in automobile production manufactures or repairs, it is often necessary to polishing machining is carried out to automobile machinery part, It is relatively difficult for the processing of cylindrical component among these.Cylindrical component working surface is not allowed generally to be fixed easily clamping, drilling Angle is not also accurate, can not meet the work requirements of high-precision auto parts, the work difficulty of staff is made to increase.
Invention content
The purpose of the present invention is to provide a kind of automobile machinery part processing unit (plant)s, to solve to propose in above-mentioned background technology The problem of.
To achieve the above object, the present invention provides the following technical solutions:A kind of automobile machinery part processing unit (plant), including bottom The upper surface of seat, the pedestal is equipped with slide plate and connecting plate, and connecting plate is fixed on the side of pedestal, and slide plate is fixed by its bottom Sliding block be slidably connected in the sliding slot of chassis interior, the engagement of the inside of the sliding block is plugged with screw rod, the screw rod One end is rotatably connected on the side wall of sliding slot, and the other end extends to the outside of pedestal through pedestal and is fixedly connected with first and twists Ring is rotatably connected to the first fixed plate on the madial wall of the slide plate, and the outside of first fixed plate is equipped with snap-gauge, and first is solid The inside of fixed board through the side wall of slide plate and is connected with pointer by connecting shaft, and the indicators turn is described in the inside of table slot Table slot is located in the lateral wall of slide plate;The lateral wall of the connecting plate is equipped with the second fixed plate, the outside of the second fixed plate Equipped with snap-gauge, the inside for being rotatably connected on connecting plate on the inside of second fixed plate by connecting shaft is connected with the second fixed plate Connecting shaft extend in inner cavity and be fixedly connected with first gear through the side wall of connecting plate, nibbled below the first gear Conjunction is connected with the 4th gear, and second gear, the lower section engagement of the second gear are fixedly connected on the outside of the 4th gear It is connected with third gear, the third gear is fixed on the side of first rotating shaft, and the 4th gear and first rotating shaft rotate On the side wall for connecting inner cavity, the first rotating shaft is connected by belt and the second shaft, and second shaft, which is fixedly connected on, passes through The one end for wearing axis extends to outside through pedestal through the one end of axis far from the second shaft and is fixedly connected with the second stubborn ring.
Preferably, it is all provided with that there are two slot, the internal activities of the slot in first fixed plate and the second fixed plate It is plugged with cutting, cutting is located at the side of snap-gauge.
Preferably, the both sides of first fixed plate and the second fixed plate be equipped with it is pre- mark closely, the first stubborn ring and Also is provided on two stubborn rings it is pre- mark closely, and pre- mark closely is flexibly connected with corresponding cutting or pedestal respectively.
Preferably, the both sides of the pedestal are equipped with fixed block.
Preferably, it is connected with processing axis between described two snap-gauges.
Compared with prior art, the beneficial effects of the invention are as follows:The present invention can be fixed processing axis by two snap-gauges Firmly, gap is equipped with and between two snap-gauges, realize in processing can by drill bit, drill-through processing axis is processed from gap, Hole machined is carried out on axial workpiece, is respectively fixed with snap-gauge by two fixed plates, and fixed plate can be realized with rotational angle Inclined hole processing can be carried out on axial workpiece, can be rotated in table slot by pointer and table slot can show pointer meaning Angle realizes two fixed plates in rotation, and pointer need not can in advance be measured, saved with the inclined angle of random observation institute The time has been saved, has been improved work efficiency.
Description of the drawings
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the local attachment structure schematic diagram of connecting plate of the present invention and fixed plate;
Fig. 3 is connection structure explosive view of the present invention;
Fig. 4 be the present invention slide plate, fixed plate, through the local attachment structure schematic diagram of axis and screw rod;
Fig. 5 is inner cavity structural schematic diagram of the present invention.
In figure:1, pedestal, 101, sliding slot, 2, slide plate, 201, sliding block, 3, connecting plate, 301, inner cavity, the 4, first stubborn ring, 5, Second stubborn ring, 6, pointer, 7, table slot, 8, processing axis, 9, first gear, 10, second gear, 11, third gear, 12, first turns Axis, 13, belt, the 14, the 4th gear, the 15, first fixed plate, 151, slot, 16, snap-gauge, 161, cutting, 17, run through axis, 18, Screw rod, 19, mark closely in advance, 20, fixed block, the 21, second shaft, the 22, second fixed plate.
Specific implementation mode
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 describes, 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.
- 5 are please referred to Fig.1, the present invention provides a kind of technical solution:A kind of automobile machinery part processing unit (plant), including pedestal 1, the upper surface of the pedestal 1 is equipped with slide plate 2 and connecting plate 3, and connecting plate 3 is fixed on the side of pedestal 1, and slide plate 2 passes through its bottom The fixed sliding block in portion 201 is slidably connected in the sliding slot 101 inside pedestal 1, and the inside engagement of the sliding block 201 is plugged with One end of screw rod 18, the screw rod 18 is rotatably connected on the side wall of sliding slot 101, and the other end extends to pedestal 1 through pedestal 1 Outside is simultaneously fixedly connected with the first stubborn ring 4, and the first stubborn ring 4 of rotation can drive slide plate 2 in pedestal by screw rod 18 and sliding block 201 It is slided on 1, the first fixed plate 15 is rotatably connected on the madial wall of the slide plate 2, the outside of first fixed plate 15 is equipped with The inside of snap-gauge 16, the first fixed plate 15 through the side wall of slide plate 2 and is connected with pointer 6 by connecting shaft, and the pointer 6 rotates In the inside of table slot 7, the table slot 7 is located in the lateral wall of slide plate 2, and pointer 6 can show that snap-gauge 16 is rotated in table slot 7 Angle, the angle that snap-gauge 16 is rotated is to process the angle that is rotated of axis 8;
The lateral wall of the connecting plate 3 is equipped with the second fixed plate 22, and the outside of the second fixed plate 22 also is provided with snap-gauge 16, Second fixed plate, 22 inside is rotatably connected on the company of the inside and the connection of the second fixed plate 22 of connecting plate 3 by connecting shaft Spindle extends in inner cavity 301 and is fixedly connected with first gear 9, the lower section of the first gear 9 through the side wall of connecting plate 3 Engagement is connected with the 4th gear 14, and the outside of the 4th gear 14 is fixedly connected with second gear 10, the second gear 10 Lower section engagement be connected with third gear 11, the third gear 11 is fixed on the side of first rotating shaft 12, the 4th gear 14 and first rotating shaft 12 be rotatablely connected on the side wall of inner cavity 301, the connections of multiple gears makes the rotation of the second fixed plate 22 more Adding accurate, improves the accuracy of bore angle, the first rotating shaft 12 is connected by belt 13 and the second shaft 21, and described the Two shafts 21 are fixedly connected on through one end of axis 17, are extended to through pedestal 1 through the one end of axis 17 far from the second shaft 21 Outside is simultaneously fixedly connected with the second stubborn ring 5.
Specifically, being all provided in first fixed plate, 15 and second fixed plate 22, there are two slot 151, the slots 151 internal activity is plugged with cutting 161, and cutting 161 is located at the side of snap-gauge 16, and snap-gauge 16 can pass through 161 grafting of cutting In slot 151, snap-gauge 16 can be replaced according to the diameter of processing axis 8.
Specifically, the both sides of first fixed plate, 15 and second fixed plate 22 are equipped with pre-loading screw, described first Twist also be provided on ring 4 and second stubborn ring 5 it is pre- mark closely 19, and it is pre- mark closely 19 respectively with corresponding cutting 161 or 1 activity of pedestal even Connect, pre- in fixed plate, which marks closely 19, can fix corresponding cutting, and snap-gauge 16 is fixed, twist that ring is equipped with it is pre- mark closely 19 can To fix two stubborn rings, prevent from twisting ring rotating because of power caused by process.
Specifically, the both sides of the pedestal 1 are equipped with fixed block 20, for fixing the present apparatus.
Specifically, being connected with processing axis 8 between described two snap-gauges 16, the both ends of two snap-gauges 16 can will add Work axis 8 coats completely, and the middle part of snap-gauge 16 is equipped with gap in both sides up and down, it can be ensured that drill bit or milling cutter pass through and to processing Axis 8 is processed.
Operation principle:The present apparatus is fixed on milling machine or machining center workbench, it is suitable then to select as needed Snap-gauge 16, snap-gauge 16 is fixed on by the cutting 161 of side in corresponding fixed plate, then turns the first change 4, first Change 4 drives slide plate 2 to be slided to the direction of connecting plate 3 by screw rod 18 and sliding block 201, and processing axis 8 is fixed on two cards Among plate 16, fixed to complete to rotate the second stubborn ring 5 later, the second stubborn ring 5 is driven by running through axis 17, the rotation of the second shaft 21, Second shaft 21 drives first rotating shaft 12 to rotate by belt 13, and first rotating shaft 12 drives the second fixed plate 22 by several gears Rotation, the second fixed plate 22 drive the snap-gauge 16 being attached thereto to rotate, and are connected with processing axis 8 due to two snap-gauges 16, so One of snap-gauge 16 can drive another snap-gauge 16 and processing axis 8 while rotate, and the first fixed plate 15 can drive pointer 6 again It is rotated in table slot 7, pointer 6 is adjusted and pre- marks closely 19 by corresponding after completing it can be observed how the angle that is rotated of processing axis 8 Inclined hole processing can be carried out by tightening.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims (5)

1. a kind of automobile machinery part processing unit (plant), including pedestal (1), it is characterised in that:The upper surface of the pedestal (1) is equipped with Slide plate (2) and connecting plate (3), connecting plate (3) are fixed on the side of pedestal (1), and slide plate (2) passes through the fixed sliding block in its bottom (201) it is slidably connected in the internal sliding slot (101) of pedestal (1), the inside engagement of the sliding block (201) is plugged with screw rod (18), one end of the screw rod (18) is rotatably connected on the side wall of sliding slot (101), and the other end extends to bottom through pedestal (1) The outside of seat (1) is simultaneously fixedly connected with the first stubborn ring (4), and the first fixed plate is rotatably connected on the madial wall of the slide plate (2) (15), the outside of first fixed plate (15) is equipped with snap-gauge (16), and the inside of the first fixed plate (15) is run through by connecting shaft The side wall of slide plate (2) is simultaneously connected with pointer (6), and in the inside of table slot (7), the table slot (7) is located at cunning for pointer (6) rotation In the lateral wall of plate (2);
The lateral wall of the connecting plate (3) is equipped with the second fixed plate (22), and the second fixed plate also is provided with snap-gauge on the outside of (22) (16), inside and the second fixed plate of connecting plate (3) are rotatably connected on the inside of second fixed plate (22) by connecting shaft (22) connecting shaft connected extends in inner cavity (301) and is fixedly connected with first gear (9) through the side wall of connecting plate (3), The lower section engagement of the first gear (9) is connected with the 4th gear (14), is fixedly connected on the outside of the 4th gear (14) The lower section engagement of second gear (10), the second gear (10) is connected with third gear (11), and the third gear (11) is solid It is scheduled on the side of first rotating shaft (12), the 4th gear (14) and first rotating shaft (12) are rotatablely connected the side of inner cavity (301) On wall, the first rotating shaft (12) is connected by belt (13) and the second shaft (21), and second shaft (21) is fixedly connected In one end through axis (17), extends to external through pedestal (1) through the one end of axis (17) far from the second shaft (21) and consolidate Surely it is connected with the second stubborn ring (5).
2. a kind of automobile machinery part processing unit (plant) according to claim 1, it is characterised in that:First fixed plate (15) and in the second fixed plate (22) it is all provided with there are two slot (151), the internal activity of the slot (151) is plugged with cutting (161), cutting (161) is located at the side of snap-gauge (16).
3. a kind of automobile machinery part processing unit (plant) according to claim 1, it is characterised in that:First fixed plate (15) and the both sides of the second fixed plate (22) be equipped with it is pre- mark closely (19), also set on the first stubborn ring (4) and the second stubborn ring (5) Have it is pre- mark closely (19), and mark closely (19) in advance and be flexibly connected respectively with corresponding cutting (161) or pedestal (1).
4. a kind of automobile machinery part processing unit (plant) according to claim 1, it is characterised in that:The two of the pedestal (1) Side is equipped with fixed block (20).
5. a kind of automobile machinery part processing unit (plant) according to claim 1, it is characterised in that:Described two snap-gauges (16) Between be connected with processing axis (8).
CN201810494218.5A 2018-05-22 2018-05-22 Automobile machine part machining device Expired - Fee Related CN108655779B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810494218.5A CN108655779B (en) 2018-05-22 2018-05-22 Automobile machine part machining device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810494218.5A CN108655779B (en) 2018-05-22 2018-05-22 Automobile machine part machining device

Publications (2)

Publication Number Publication Date
CN108655779A true CN108655779A (en) 2018-10-16
CN108655779B CN108655779B (en) 2020-08-25

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Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020118868A1 (en) * 2018-12-12 2020-06-18 无锡鹰贝精密轴承有限公司 Center frame for milling of slender shaft part of valves
CN113973434A (en) * 2021-10-08 2022-01-25 广德博亚新星电子科技有限公司 PCB drilling equipment convenient to remove dust

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Publication number Priority date Publication date Assignee Title
US7854072B2 (en) * 2008-05-21 2010-12-21 Michael Curt Stark Precision sine vise
CN202571920U (en) * 2012-03-21 2012-12-05 苏州市福迈精密机械有限公司 Dual-face drilling clamp
CN204565658U (en) * 2015-04-09 2015-08-19 济南大学 A kind of pipe fitting radial index hole processing clamping device
CN104924104A (en) * 2015-07-02 2015-09-23 中国科学院光电技术研究所 Inclined plane machining tool with angle adjustable
CN105598719A (en) * 2014-11-25 2016-05-25 西安众智惠泽光电科技有限公司 Automatic clamping clamp for long-axis parts
CN205888663U (en) * 2016-07-20 2017-01-18 大碇电脑配件(上海)有限公司 Process anchor clamps that punch
CN107378045A (en) * 2017-08-30 2017-11-24 苏州群志机械设备有限公司 A kind of axle class punch device for numerical control machining center
JP3214689U (en) * 2017-11-15 2018-02-01 賢陽 袁 Chuck mechanism of machining equipment for rod-shaped material
CN207222995U (en) * 2017-08-30 2018-04-13 苏州群志机械设备有限公司 A kind of numerical control machining center diclinic hole processing device
CN207222996U (en) * 2017-08-30 2018-04-13 苏州群志机械设备有限公司 A kind of axis class punch device for numerical control machining center

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7854072B2 (en) * 2008-05-21 2010-12-21 Michael Curt Stark Precision sine vise
CN202571920U (en) * 2012-03-21 2012-12-05 苏州市福迈精密机械有限公司 Dual-face drilling clamp
CN105598719A (en) * 2014-11-25 2016-05-25 西安众智惠泽光电科技有限公司 Automatic clamping clamp for long-axis parts
CN204565658U (en) * 2015-04-09 2015-08-19 济南大学 A kind of pipe fitting radial index hole processing clamping device
CN104924104A (en) * 2015-07-02 2015-09-23 中国科学院光电技术研究所 Inclined plane machining tool with angle adjustable
CN205888663U (en) * 2016-07-20 2017-01-18 大碇电脑配件(上海)有限公司 Process anchor clamps that punch
CN107378045A (en) * 2017-08-30 2017-11-24 苏州群志机械设备有限公司 A kind of axle class punch device for numerical control machining center
CN207222995U (en) * 2017-08-30 2018-04-13 苏州群志机械设备有限公司 A kind of numerical control machining center diclinic hole processing device
CN207222996U (en) * 2017-08-30 2018-04-13 苏州群志机械设备有限公司 A kind of axis class punch device for numerical control machining center
JP3214689U (en) * 2017-11-15 2018-02-01 賢陽 袁 Chuck mechanism of machining equipment for rod-shaped material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020118868A1 (en) * 2018-12-12 2020-06-18 无锡鹰贝精密轴承有限公司 Center frame for milling of slender shaft part of valves
CN113973434A (en) * 2021-10-08 2022-01-25 广德博亚新星电子科技有限公司 PCB drilling equipment convenient to remove dust
CN113973434B (en) * 2021-10-08 2024-03-26 广德博亚新星电子科技有限公司 PCB drilling equipment convenient to remove dust

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