CN107790782A - A kind of steel plate drilling machine - Google Patents

A kind of steel plate drilling machine Download PDF

Info

Publication number
CN107790782A
CN107790782A CN201711126036.4A CN201711126036A CN107790782A CN 107790782 A CN107790782 A CN 107790782A CN 201711126036 A CN201711126036 A CN 201711126036A CN 107790782 A CN107790782 A CN 107790782A
Authority
CN
China
Prior art keywords
plate
fixedly connected
motor
electric pushrod
steel plate
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.)
Withdrawn
Application number
CN201711126036.4A
Other languages
Chinese (zh)
Inventor
毛永远
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.)
Jiangsu European Oil Technology Co Ltd
Original Assignee
Jiangsu European Oil Technology 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 Jiangsu European Oil Technology Co Ltd filed Critical Jiangsu European Oil Technology Co Ltd
Priority to CN201711126036.4A priority Critical patent/CN107790782A/en
Publication of CN107790782A publication Critical patent/CN107790782A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B41/00Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B47/00Constructional features of components specially designed for boring or drilling machines; Accessories therefor
    • B23B47/26Liftable or lowerable drill heads or headstocks; Balancing arrangements therefor
    • 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
    • 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
    • B23Q7/00Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/02Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of drums or rotating tables or discs

Abstract

The invention discloses a kind of steel plate drilling machine, including bottom plate, the upper surface of the bottom plate is fixedly connected with the bottom of the first electric pushrod, and the top of the first electric pushrod is fixedly connected with the lower surface of the first supporting plate, the right flank of first supporting plate is fixedly connected with the left end of two the second electric pushrods, and left surface of the right-hand member of two the second electric pushrods with the first fixed plate is fixedly connected, the fuselage of first motor is fixedly connected with the front of the first fixed plate.The steel plate drilling machine, by setting the first electric pushrod, the second electric pushrod, the 3rd electric pushrod, the first motor, the second motor, rotating shaft, bearing, flap, driving wheel, driven pulley, belt, the first pressing plate, the second pressing plate, battery and control panel, it is achieved thereby that each position of steel plate is punched, not only facilitate the operation of worker, the production time used is also saved, so as to accelerate the process of production.

Description

A kind of steel plate drilling machine
Technical field
The present invention relates to field of mechanical technique, specially a kind of steel plate drilling machine.
Background technology
Drilling machine refers to utilize side of the instrument harder than object, sharper keen by rotary cutting or rotary squeezing Formula, the machinery and equipment that cylindrical hole or hole are left on object are referred to as, and also have referred to as rig, puncher, perforator and lead to Hole machine etc., by being drilled to precise part, to get a desired effect, drilling machine has automatic drills and full-automatic drilling Hole machine, with the increase of cost of human resources, most enterprises consider full-automatic drilling machine as developing direction, with the epoch Development, the lifting of the drilling technique of automatic drilling machine, various hardware dies and watchband are drilled using full-automatic drilling machine, table Band drilling and jewellery drill with the obvious advantage.
Current steel plate drilling machine is all usually that fixing at one for steel plate is drilled, and is wanted to boring elsewhere Hole usually needs to move the steel plate being connected in pressing plate, not only troublesome in poeration, also wastes the production time used, so as to Influence production efficiency.
The content of the invention
It is an object of the invention to provide a kind of steel plate drilling machine, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical scheme:A kind of steel plate drilling machine, including bottom plate, the bottom The upper surface of plate is fixedly connected with the bottom of the first electric pushrod, and under the top of the first electric pushrod and the first supporting plate Surface is fixedly connected, and the right flank of first supporting plate is fixedly connected with the left end of two the second electric pushrods, and two Left surface of the right-hand member of second electric pushrod with the first fixed plate is fixedly connected, and the fuselage of first motor and first is fixed The front of plate is fixedly connected, and the output shaft of the first motor is fixedly connected with the top of drill bit, the upper surface card of the bottom plate Bearing is connected to, and bearing inner sleeve is connected to rotating shaft, and the outer surface of the rotating shaft is socketed with driven pulley, and driven pulley passes through belt It is connected with capstan drive, the upper surface of the driven pulley is fixedly connected with the output shaft of the second motor, and the second motor Fuselage is fixedly connected by the second fixed plate with the left surface of the second supporting plate, and the lower surface of the second supporting plate and bottom plate Upper surface is fixedly connected, and the top of the rotating shaft is fixedly connected with the lower surface of flap, and flap be located at the first electric pushrod and Between second motor, and the upper surface of flap offers chute, sliding block is provided with the chute, and the side of sliding block leads to Cross the 3rd electric pushrod to be fixedly connected with the right flank of chute inwall, the upper surface of the sliding block and the lower surface of the first pressing plate are consolidated Fixed connection, and the second pressing plate is provided with the left of the first pressing plate, and the lower surface of the second pressing plate and the upper surface of flap are consolidated Fixed connection.
Preferably, the upper surface of the bottom plate is provided with battery, and battery is located at the left side of the first electric pushrod, and The upper surface of battery is provided with control panel.
Preferably, the output end of the control panel respectively with the first motor, the second motor, the first electric pushrod, second The input of electric pushrod and the 3rd electric pushrod electrically connects, and the input of control panel and the output end of battery are electrically connected Connect.
Preferably, the shape of first pressing plate and the second pressing plate is U-shaped.
Preferably, second fixed plate be shaped as it is trapezoidal.
Preferably, second motor is band-type brake motor.
Compared with prior art, the beneficial effects of the invention are as follows:The steel plate drilling machine, by set the first electric pushrod, Second electric pushrod, the 3rd electric pushrod, the first motor, the second motor, rotating shaft, bearing, flap, driving wheel, driven pulley, skin Band, the first pressing plate, the second pressing plate, battery and control panel, so that controlling the 3rd electric pushrod to extend by control panel Make the first pressing plate and the second platen clamp steel plate, control the 3rd electric pushrod to stop elongation by control panel, pass through chain of command Plate controls the second electric pushrod regulation elongation regulation left and right distance, controls the second electric pushrod to stop elongation by control panel, By control panel control the second motor turn right drive flap turn right regulation angle, pass through control panel control second Motor stalls, control the first motor to rotate by control panel and drive drill bit to rotate, pass through the electricity of control panel control first Dynamic push rod shortens, it is achieved thereby that being punched to each position of steel plate, not only facilitates the operation of worker, also saves life The production time used, so as to accelerate the process of production.
Brief description of the drawings
Fig. 1 is the diagrammatic cross-section that structure of the present invention is faced.
In figure:1 bottom plate, 2 flaps, 3 bearings, 4 rotating shafts, 5 driven pulleys, 6 sliding blocks, 7 belts, 8 driving wheels, 9 second motors, 10 Second supporting plate, 11 second fixed plates, 12 the 3rd electric pushrods, 13 first pressing plates, 14 chutes, 15 drill bits, 16 first motors, 17 First fixed plate, 18 second electric pushrods, 19 first supporting plates 19,20 first electric pushrods, 21 control panels, 22 batteries, 23 second pressing plates.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme:A kind of steel plate drilling machine, including bottom plate 1, the upper table of bottom plate 1 Face is fixedly connected with the bottom of the first electric pushrod 20, and the top of the first electric pushrod 20 and the following table of the first supporting plate 19 Face is fixedly connected, by setting the first electric pushrod 20, so that the first motor 16 can stretching by the first electric pushrod 20 Contracting realization is moved up and down, so that drill bit 15 can move up and down, so as to facilitate the operation of worker, the upper surface of bottom plate 1 is set It is equipped with battery 22, and battery 22 is located at the left side of the first electric pushrod 20, the output end of control panel 21 is respectively with first The input electrical connection of motor 16, the second motor 9, the first electric pushrod 20, the second electric pushrod 18 and the 3rd electric pushrod 12, And the input of control panel 21 electrically connects with the output end of battery 22, and the upper surface of battery 22 is provided with chain of command Plate 21, by setting control panel 21 and battery 22, so that battery 22 can give the first motor 16, the second motor 9, first Electric pushrod 20, the second electric pushrod 18 and the 3rd electric pushrod 12 provide electric power, control panel 21 can control the first motor 16, Second motor 9, the first electric pushrod 20, the second electric pushrod 18 and the 3rd electric pushrod 12 work, so as to facilitate worker's Operation, the right flank of the first supporting plate 19 is fixedly connected with the left end of two the second electric pushrods 18, and two second electronic Left surface of the right-hand member of push rod 18 with the first fixed plate 17 is fixedly connected, by setting the second electric pushrod 18, so that the One motor 16 can be moved left and right by the flexible realization of the second electric pushrod 18, so that drill bit 15 can move left and right, from And the operation of worker is facilitated, the fuselage of the first motor 16 is fixedly connected with the front of the first fixed plate 17, by setting first Fixed plate 17, so that the fuselage of the first motor 16 will not rotate, so that the energy normal work of the first motor 16, and the first electricity The output shaft of machine 16 is fixedly connected with the top of drill bit 15, by setting drill bit 15, so that the first motor 16 can when rotating To drive drill bit 15 to rotate, so as to bore steel plate, the upper surface of bottom plate 1 is connected with bearing 3, by setting bearing 3, so as to Rotating shaft 4 is rotated, so that flap 2 can rotate, and be socketed with rotating shaft 4 in bearing 3, the outer surface socket of rotating shaft 4 There is driven pulley 5, by setting driven pulley 5, so that the second motor 9 drives driving wheel 8 to rotate, driving wheel 8 is driven by belt 7 Drive driven pulley 5 to rotate, so as to drive rotating shaft 4 to rotate so that flap 2 can rotate, and driven pulley 5 by belt 7 with Driving wheel 8 is connected, by setting belt 7, so that driving wheel 8 can drive driven pulley 5 to rotate when rotating, driven pulley 5 Upper surface be fixedly connected with the output shaft of the second motor 9, by setting driving wheel 8 so that the second motor 9 drive driving wheel 8 rotate, and driving wheel 8 is driven by belt 7 drives driven pulley 5 to rotate, so as to drive rotating shaft 4 to rotate, so that flap 2 can turn Dynamic, the second motor 9 is band-type brake motor, and the fuselage of the second motor 9 passes through a left side for the second fixed plate 11 and the second supporting plate 10 Side is fixedly connected, and being shaped as the second fixed plate 11 is trapezoidal, by setting the second fixed plate 11, so that the second motor 9 Fuselage will not rotate, so that the energy normal work of the second motor 9, and the lower surface of the second supporting plate 10 and the upper table of bottom plate 1 Face is fixedly connected, and the top of rotating shaft 4 is fixedly connected with the lower surface of flap 2, and flap 2 is located at the first electric pushrod 20 and second Between motor 9, and the upper surface of flap 2 offers chute 14, by setting chute 14, so that sliding block 6 can be in chute Slided in 14, sliding block 6 is provided with chute 14, by setting sliding block 6, so that the first pressing plate 13 can move left and right, so that Steel plate can be fixed for first pressing plate 13 and the second pressing plate 23, so that the steel plate when boring dynamic of drill bit 15 will not rock, so as to The convenient drilling to steel plate, and the side of sliding block 6 is fixed by the right flank of the 3rd electric pushrod 12 and the inwall of chute 14 and connected Connect, by setting the 3rd electric pushrod 12, so that the 3rd electric pushrod 12 first pressing plate 13 when flexible can move left and right, from And enable the first pressing plate 13 and the second pressing plate 23 that steel plate is fixed, so that the steel plate when boring dynamic of drill bit 15 will not rock, So as to the convenient drilling to steel plate, the upper surface of sliding block 6 is fixedly connected with the lower surface of the first pressing plate 13, and the first pressing plate 13 Left side be provided with the second pressing plate 23, and the lower surface of the second pressing plate 23 is fixedly connected with the upper surface of flap 2, passes through setting First pressing plate 13 and the second pressing plate 23, so that the steel plate when boring dynamic steel plate of drill bit 15 will not rock, so as to convenient to steel plate The shape of drilling, the first pressing plate 13 and the second pressing plate 23 is U-shaped, is U-shaped by setting the first pressing plate 13 and the second pressing plate 23, So that preferably steel plate is fixed for the first pressing plate 13 and the second pressing plate 23, so that the steel plate when boring dynamic steel plate of drill bit 15 It will not rock, so as to the convenient drilling to steel plate.
Operation principle:In use, worker is first placed on steel plate between the first pressing plate 13 and the second pressing plate 23, then pass through control Panel 21 processed controls the elongation of the 3rd electric pushrod 12 Interal fixation, Interal fixation the first pressing plate 13 and the second pressing plate 23 it Between, then control the 3rd electric pushrod 12 to stop elongation by panel, the second electric pushrod is then controlled by control panel 21 The right position of 18 elongation the first fixed plates 17 of regulation, when the first fixed plate 17 is adjusted to suitable position, passes through control Panel 21 controls the second electric pushrod 18 to stop elongation, controls the output shaft of the second motor 9 to rotate forward by control panel 21 and drives Flap 2 rotates forward, and then controls the first electric pushrod 20 to shorten the height of the first supporting plate 19 of regulation by control panel 21, controls First motor 16, which rotates, drives drill bit 15 to rotate, so as to being drilled to steel plate, hole accomplish fluently after by the control of control panel 21 the One electric pushrod 20 rises, and controls the first motor 16 to stall by control panel 21, electronic by the control the 3rd of control panel 21 Push rod 12 shortens, and controls the 3rd electric pushrod 12 to stop shortening by control panel 21, then from the first pressing plate 13 and the second pressure Steel plate is removed between plate 23.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (6)

1. a kind of steel plate drilling machine, including bottom plate (1), it is characterised in that:The upper surface of the bottom plate (1) and the first electric pushrod (20) bottom is fixedly connected, and the top of the first electric pushrod (20) and the lower surface of the first supporting plate (19) are fixed and connected Connecing, the right flank of first supporting plate (19) is fixedly connected with the left end of two the second electric pushrods (18), and two Left surface of the right-hand member of two electric pushrods (18) with the first fixed plate (17) is fixedly connected, the fuselage of first motor (16) It is fixedly connected with the front of the first fixed plate (17), and the top of the output shaft of the first motor (16) and drill bit (15) is fixed and connected Connect, the upper surface of the bottom plate (1) is connected with bearing (3), and is socketed with rotating shaft (4) in bearing (3), the rotating shaft (4) Outer surface is socketed with driven pulley (5), and driven pulley (5) is connected by belt (7) and driving wheel (8), the driven pulley (5) upper surface is fixedly connected with the output shaft of the second motor (9), and the fuselage of the second motor (9) passes through the second fixed plate (11) left surface with the second supporting plate (10) is fixedly connected, and the lower surface of the second supporting plate (10) and bottom plate (1) is upper Surface is fixedly connected, and the top of the rotating shaft (4) is fixedly connected with the lower surface of flap (2), and flap (2) is electronic positioned at first Between push rod (20) and the second motor (9), and the upper surface of flap (2) offers chute (14), is set in the chute (14) Sliding block (6) is equipped with, and the side of sliding block (6) is fixed by the right flank of the 3rd electric pushrod (12) and chute (14) inwall and connected Connect, the upper surface of the sliding block (6) is fixedly connected with the lower surface of the first pressing plate (13), and is set on the left of the first pressing plate (13) The second pressing plate (23) is equipped with, and the lower surface of the second pressing plate (23) is fixedly connected with the upper surface of flap (2).
A kind of 2. steel plate drilling machine according to claim 1, it is characterised in that:The upper surface of the bottom plate (1) is provided with Battery (22), and battery (22) is located at the left side of the first electric pushrod (20), and the upper surface of battery (22) is provided with Control panel (21).
A kind of 3. steel plate drilling machine according to claim 2, it is characterised in that:The output end of the control panel (21) point Not with the first motor (16), the second motor (9), the first electric pushrod (20), the second electric pushrod () 18 and the 3rd electric pushrod (12) input electrical connection, and the input of control panel (21) electrically connects with the output end of battery (22).
A kind of 4. steel plate drilling machine according to claim 1, it is characterised in that:First pressing plate (13) and the second pressing plate (23) shape is U-shaped.
A kind of 5. steel plate drilling machine according to claim 1, it is characterised in that:Second fixed plate (11) are shaped as It is trapezoidal.
A kind of 6. steel plate drilling machine according to claim 1, it is characterised in that:Second motor (9) is band-type brake motor.
CN201711126036.4A 2017-11-15 2017-11-15 A kind of steel plate drilling machine Withdrawn CN107790782A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711126036.4A CN107790782A (en) 2017-11-15 2017-11-15 A kind of steel plate drilling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711126036.4A CN107790782A (en) 2017-11-15 2017-11-15 A kind of steel plate drilling machine

Publications (1)

Publication Number Publication Date
CN107790782A true CN107790782A (en) 2018-03-13

Family

ID=61535028

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711126036.4A Withdrawn CN107790782A (en) 2017-11-15 2017-11-15 A kind of steel plate drilling machine

Country Status (1)

Country Link
CN (1) CN107790782A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108817603A (en) * 2018-07-26 2018-11-16 深圳市智能机器人研究院 The three cutting torch robot H section steel cutter devices with structure light detection
CN108849070A (en) * 2018-05-28 2018-11-23 芜湖盛创新材料科技有限公司 A kind of seedling rearing room facilitating discharging
CN109079195A (en) * 2018-08-30 2018-12-25 浙江仕善汽车科技股份有限公司 Drilling equipment is used in a kind of processing of the automobile component that clamping effect is good
CN110666523A (en) * 2019-11-13 2020-01-10 嵊州宁丰轴承有限公司 Drilling and polishing equipment for coupler production
CN110976937A (en) * 2019-12-23 2020-04-10 朱海浪 Aluminum alloy drilling equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108849070A (en) * 2018-05-28 2018-11-23 芜湖盛创新材料科技有限公司 A kind of seedling rearing room facilitating discharging
CN108817603A (en) * 2018-07-26 2018-11-16 深圳市智能机器人研究院 The three cutting torch robot H section steel cutter devices with structure light detection
CN109079195A (en) * 2018-08-30 2018-12-25 浙江仕善汽车科技股份有限公司 Drilling equipment is used in a kind of processing of the automobile component that clamping effect is good
CN110666523A (en) * 2019-11-13 2020-01-10 嵊州宁丰轴承有限公司 Drilling and polishing equipment for coupler production
CN110976937A (en) * 2019-12-23 2020-04-10 朱海浪 Aluminum alloy drilling equipment

Similar Documents

Publication Publication Date Title
CN107790782A (en) A kind of steel plate drilling machine
CN206643378U (en) A kind of high-efficiency drilling equipment
CN107717014A (en) A kind of efficient perforating device
CN109877356A (en) A kind of efficiently accurate perforating device
CN107914154A (en) A kind of crane workpiece perforating device easy to adjust
CN107414126A (en) A kind of automatic drilling device of turning
CN206215954U (en) A kind of efficient drilling device of motor casing drilling machine
CN108296517A (en) A kind of plank multidigit drilling device
CN207431321U (en) A kind of steel plate drilling machine
CN106825660A (en) A kind of drilling machine of adjustable punching depth
CN211564614U (en) Perforating device is used in building board processing
CN108081397A (en) A kind of cylindrical timber drilling equipment suitable for production line
CN209812809U (en) House building construction wall drilling device
CN206287259U (en) Furniture panel drilling machine
CN106735416A (en) A kind of drilling machine easy to use
CN206614061U (en) Automatic metal drilling machine
CN109132787A (en) A kind of all hydraulic caterpillar elevator rail timbering machine
CN207155224U (en) The workpiece drilling-milling apparatus of digital control processing
CN206812240U (en) A kind of jewelry production puncher easy to use
CN205763996U (en) A kind of boring machine in hgher efficiency
CN106001678B (en) A kind of rotating disc type brake block puncher
CN111958255B (en) Automatic building steel processing equipment
CN207789351U (en) A kind of hydropower installation rotary type automatic punching device
CN211840211U (en) Electromechanical integrated hole digging equipment
CN210523873U (en) Speed-adjustable punching machine for lockset machining

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20180313

WW01 Invention patent application withdrawn after publication