CN206047663U - A kind of handware machining drilling machine - Google Patents

A kind of handware machining drilling machine Download PDF

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Publication number
CN206047663U
CN206047663U CN201620914649.9U CN201620914649U CN206047663U CN 206047663 U CN206047663 U CN 206047663U CN 201620914649 U CN201620914649 U CN 201620914649U CN 206047663 U CN206047663 U CN 206047663U
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CN
China
Prior art keywords
drilling machine
gripper shoe
workbench
handware
hole
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
CN201620914649.9U
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Chinese (zh)
Inventor
李志昊
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.)
Tianjin Joyou Industry & Trade Co Ltd
Original Assignee
Tianjin Joyou Industry & Trade 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
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Priority to CN201620914649.9U priority Critical patent/CN206047663U/en
Application granted granted Critical
Publication of CN206047663U publication Critical patent/CN206047663U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

This utility model belongs to five metals processing equipment correlative technology field,More particularly to a kind of handware machining drilling machine,A kind of handware machining drilling machine,Including drilling machine support,The drilling machine support is provided with support post,Top board is provided with the top of the support post,Workbench is provided between the top board and drilling machine support,The central part of the workbench is provided with one-level through hole,The workbench is provided with clamp assembly symmetrically arranged along one-level through hole both sides,The clamp assembly includes gripper shoe、Screw rod、Push pedal,The gripper shoe is bolted with one end of worktable upper surface,The gripper shoe is provided with internal thread hole,The gripper shoe is connected with screw flight by internal thread hole,Clamp assembly on the drilling machine not only has simple structure、It is easy to use,To workpiece to step up stability high,Improve machining accuracy,Extend the advantage of the service life of drill bit,And reduce reduction labor intensity,Raising produces work efficiency.

Description

A kind of handware machining drilling machine
Technical field
This utility model belongs to five metals processing equipment correlative technology field, more particularly to a kind of handware machining drilling machine.
Background technology
Drilling machine refers to that main drill bit processes the lathe in hole on workpiece.Generally bit is main motion, and drill bit axial direction is moved Move as feed motion.Drilling machine simple structure, machining accuracy are relatively low, can holes drilled through, blind hole, change special tool, can expand, ream Hole, reams or carries out the processing such as tapping.In the course of processing, workpiece is motionless, allows cutter to move, by center cutter alignment hole center, and Rotate cutter, be that workpiece is maintained static the characteristics of drilling machine, cutter rotates, but traditional drilling machine is often fixed Positioning, clamping, inefficiency, stability are poor, while reducing the machining accuracy of workpiece hole, can also damage drill bit, reduce drill bit Service life, in the course of processing of workpiece due to high speed rotation produce high temperature be easily damaged drill bit, significantly reduce The service life of drill bit, it is therefore desirable to install the hydrojet pipeline alignment hydrojet of cooling lubrication.
Utility model content
The purpose of this utility model is, for above-mentioned deficiency present in prior art, to propose that a kind of handware processing is bored Bed, the clamp assembly on the drilling machine not only have simple structure, easy to use, to workpiece to step up stability high, improve plus Work precision, extends the advantage of the service life of drill bit, and reduces reduction labor intensity, and raising produces work efficiency.
This utility model solves its technical problem and employs the following technical solutions realization:
A kind of handware machining drilling machine, including drilling machine support, the drilling machine support are provided with support post, and the support is stood Top board is provided with the top of post, workbench between the top board and drilling machine support, is provided with, the central part of the workbench is provided with one Level through hole, the workbench are provided with clamp assembly symmetrically arranged along one-level through hole both sides;
The clamp assembly includes gripper shoe, screw rod, push pedal, and the gripper shoe passes through spiral shell with one end of worktable upper surface Tether and connect, the gripper shoe is provided with internal thread hole, the gripper shoe is connected with screw flight by internal thread hole, the screw rod One end pass from gripper shoe, the screw rod does not pass through one end of gripper shoe and is provided with handle, and the gripper shoe is away from handle Side wall be provided with the center of circle and spring of the internal thread hole center of circle on a horizontal line, the gripper shoe is connected with push pedal by spring Connect, the push pedal is provided with the center of circle and groove of the internal thread hole center of circle on same level straight line, institute near the side wall of gripper shoe State screw rod and to insert in the groove in push pedal through one end of gripper shoe from spring, the push pedal is away from setting on the side wall of gripper shoe There is slideway, the push pedal is provided with pressing plate away from the side of gripper shoe, and the two ends of the pressing plate lateral wall are provided with and slideway cooperation Slide block, is provided with the electric magnet contacted with slideway inner surface between the slide block at pressing plate lateral wall two ends.
Preferably, the top board is provided with secondary through holes and cylinder, and one end of the ejecting rod of cylinder is erected from secondary through holes Direct puncture goes out, and the ejecting rod of cylinder is provided with motor through one end of secondary through holes, and the output shaft of the motor is down, described The output shaft of motor is provided with drill bit holder, and the drill bit holder inner clip has drill bit.
Preferably, the workbench is provided with multiple leaking holes.
Preferably, water leg is provided with the top of the drilling machine support, screen plate, the water leg are provided with the water leg Bottom be provided with exhalant canal.
Preferably, the handware machining drilling machine also includes storage tank, and the bottom of the storage tank is provided with water inlet pipe, described Outlet pipe is provided with the top of storage tank, the outlet pipe is provided with suction pump, and the end of the outlet pipe is provided with water body injector head, The end of the water inlet pipe is connected with exhalant canal.
Preferably, the handware machining drilling machine also includes break-make electric switch, described break-make electric switch one end and electric magnet Connection, the break-make electric switch other end are connected with power supply.
Preferably, the handware machining drilling machine also includes workpiece, and the workpiece setting is in the lower section of drill bit, the workpiece Bottom contact with workbench, the centrage of the Workpiece boring position is overlapped with the centrage of one-level through hole.
Compared with prior art, the beneficial effect of this utility model generation is:A kind of handware machining drilling machine is provided, to work When part is clamped, two screw rods are driven to rotate while rotating two handles manually, so that two screw rods promote two respectively Push pedal is advanced to workpiece direction, realizes stepping up function to workpiece both sides, with simple structure, easy to use, workpiece is added Tight stability is high, improves machining accuracy, extends the advantage of the service life of drill bit, and reduce reduction labor intensity, Raising produces work efficiency, while the storage tank being provided with and water body shower nozzle, realize the refrigerating function to drill bit, and be provided with collection Tank and the exhalant canal being connected with storage tank and water inlet pipe, are realized the recycling of coolant, have saved making for coolant Consumption, reduces Financial cost.
Description of the drawings
Below in conjunction with the accompanying drawings this utility model is further illustrated:
Fig. 1 is overall structure figure of the present utility model.
Wherein:1st, cylinder;2nd, top board;3rd, motor;4th, drill bit holder;5th, drill bit;6th, push pedal;7th, gripper shoe;8th, screw rod; 9th, electric magnet;10th, workbench;11st, pressing plate;12nd, workpiece;13rd, support post;14th, screen plate;15th, drilling machine support;16th, water storage Case;17th, outlet pipe;18th, water body injector head;19th, water leg;20th, push rod;21st, one-level through hole;22nd, handle;23rd, spring;24、 Slide block;25th, leaking hole;26th, exhalant canal;27th, water inlet pipe.
Specific embodiment
This utility model is described further with reference to embodiment:
As shown in figure 1, this utility model provides a kind of handware machining drilling machine, including drilling machine support 15, the drilling machine Seat 15 is provided with support post 13, and the top of the support post 13 is provided with top board 2, sets between the top board 2 and drilling machine support 1 The central part for having workbench 10, the workbench 10 is provided with one-level through hole 21, and the workbench 10 is provided with along one-level through hole The symmetrically arranged clamp assembly in 21 both sides;
The clamp assembly includes one end of gripper shoe 7, screw rod 8, push pedal 6, the gripper shoe 7 and 10 upper surface of workbench It is bolted, the gripper shoe 7 is provided with internal thread hole, the gripper shoe 7 is connected with 8 screw thread of screw rod by internal thread hole Connect, one end of the screw rod 8 is passed from gripper shoe 7, and the screw rod 8 does not pass through one end of gripper shoe 7 and is provided with handle 22, institute The side wall that gripper shoe 7 is stated away from handle 22 is provided with the center of circle and spring 23 of the internal thread hole center of circle on a horizontal line, described Gripper shoe 7 is connected with push pedal 6 by spring 23, and the push pedal 6 is provided with the center of circle near the side wall of gripper shoe and is justified with internal thread hole Groove of the heart on same level straight line, the screw rod 8 through gripper shoe 7 one end is from spring 23 and inserts in recessed in push pedal 6 In groove, the push pedal 6 is provided with slideway away from the side wall of gripper shoe 7, and the push pedal 6 is provided with pressing plate away from the side of gripper shoe 7 11, the two ends of 11 lateral wall of the pressing plate are provided with the slide block 24 coordinated with slideway, the slide block 24 at 11 lateral wall two ends of the pressing plate Between be provided with the electric magnet 9 contacted with slideway inner surface.
The top board 2 is provided with secondary through holes and cylinder 1, and one end of 1 push rod 20 of the cylinder is vertical from secondary through holes Pass, 1 push rod 20 of the cylinder is provided with motor 3 through one end of secondary through holes, the output shaft of the motor 3 down, The output shaft of the motor 3 is provided with drill bit holder 4, accompanies drill bit 5 in the drill bit holder 4.
The workbench 10 is provided with multiple leaking holes 25.
The top of the drilling machine support 15 is provided with water leg 19, is provided with screen plate 14 in the water leg 19, described to catchment The bottom of groove 19 is provided with exhalant canal 26.
The handware machining drilling machine also includes storage tank 16, and the bottom of the storage tank 16 is provided with water inlet pipe 27, described The top of storage tank 16 is provided with outlet pipe 17, and the outlet pipe 17 is provided with suction pump, and the end of the outlet pipe 17 is provided with water Body injector head 18, the end of the water inlet pipe 27 are connected with exhalant canal 26.
The handware machining drilling machine also includes break-make electric switch, and described break-make electric switch one end is connected with electric magnet 9, institute State the break-make electric switch other end to be connected with power supply.
The handware machining drilling machine also includes workpiece 12, and the workpiece 12 is arranged at the lower section of drill bit 5, the workpiece 12 Bottom contact with workbench 10, the centrage of 12 bore position of the workpiece is overlapped with the centrage of one-level through hole 21.
The operation principle of the handware machining drilling machine is:When drilling to 12 specified location of workpiece, first to workpiece 12 It is clamped, after workpiece 12 is put on workbench 10, while rotate along two symmetrical handles 22 of 21 centrage of one-level through hole, Two symmetrical screw rods 8 are driven to rotate so that two symmetrical screw rods 8 promote symmetrical two push pedal 6 respectively to workpiece 12 Both sides are close, and when the side wall of pressing plate 11 is contacted with workpiece 12, stop operating handle 22, make electric magnet 9 break by power-on switch Electricity, while adjusting symmetrical two pressing plate 11 manually so that pressing plate 11 is compressed to workpiece both sides in vertical direction, has been compressed Cheng Hou, makes electric magnet 9 powered by power-on switch, so that electric magnet 9 is contacted with 6 sliding way inner surface of push pedal, plays to pressure The adsorption of plate 11, realizes the fixation of 11 vertical direction of pressing plate, is then rotated further handle 22 manually so that push pedal 6 is to work 12 both sides of part carry out the fixation of horizontal direction, complete the pinching action to workpiece 12, then start cylinder 1 and motor 3, cylinder 1 driving electric machine 3 is moved downward, and motor 3 drives drill bit 5 to rotate, so as to realize the boring action to workpiece 12, Suction pump on the front opening outlet pipe 17 of drilling so that the water of storage tank 16 passes through outlet pipe 17 and water body injector head 18 is sprayed onto The position of the work of drill bit 5, and then cooling effect is played to drill bit 5, unnecessary cooling water is by the leaking hole stream on workbench 10 Enter in water leg 19, filtered by screen plate 14, the cooling water after filtration passes through outlet passage 26 and water inlet pipe 27 flows Enter in storage tank 16, complete the cycling and reutilization function of cooling water, after filtering a period of time, can be by screen plate 14 from drilling machine Extract out in seat 15 and cleaned.
The fixture of the drilling machine not only has simple structure, easy to use, to workpiece to step up stability high, improve processing Precision, extends the advantage of the service life of drill bit, and reduces reduction labor intensity, and raising produces work efficiency.
It has been described in detail to of the present utility model above by embodiment, but the content is only of the present utility model Preferred embodiment, it is impossible to be considered as limiting practical range of the present utility model.It is all to be made according to this utility model application range Impartial change with improve etc., still all should belong within patent covering scope of the present utility model.

Claims (7)

1. a kind of handware machining drilling machine, it is characterised in that:Including drilling machine support, the drilling machine support is provided with support post, Top board is provided with the top of the support post, workbench, the central authorities of the workbench between the top board and drilling machine support, are provided with Position is provided with one-level through hole, and the workbench is provided with clamp assembly symmetrically arranged along one-level through hole both sides;
The clamp assembly includes gripper shoe, screw rod, push pedal, and the gripper shoe is connected by bolt with one end of worktable upper surface Connect, the gripper shoe is provided with internal thread hole, the gripper shoe is connected with screw flight by internal thread hole, the one of the screw rod End is passed from gripper shoe, and the screw rod does not pass through one end of gripper shoe and is provided with handle, side of the gripper shoe away from handle Wall is provided with the center of circle and spring of the internal thread hole center of circle on a horizontal line, and the gripper shoe is connected with push pedal by spring, The push pedal is provided with the center of circle and groove of the internal thread hole center of circle on same level straight line, the spiral shell near the side wall of gripper shoe Bar through gripper shoe one end is from spring and inserts in the groove in push pedal, the push pedal is provided with cunning away from the side wall of gripper shoe Road, the push pedal are provided with pressing plate away from the side of gripper shoe, and the two ends of the pressing plate lateral wall are provided with the slide block coordinated with slideway, The electric magnet contacted with slideway inner surface is provided between the slide block at pressing plate lateral wall two ends.
2. a kind of handware machining drilling machine according to claim 1, it is characterised in that:The top board is provided with secondary through holes And cylinder, one end of the ejecting rod of cylinder vertically passed from secondary through holes, the one end of the ejecting rod of cylinder through secondary through holes Motor is provided with, down, the output shaft of the motor is provided with drill bit holder, the drill bit to the output shaft of the motor Drill bit is accompanied in holder.
3. a kind of handware machining drilling machine according to claim 1, it is characterised in that:The workbench is provided with multiple leakages Water hole.
4. a kind of handware machining drilling machine according to claim 1, it is characterised in that:It is provided with the top of the drilling machine support Water leg, is provided with screen plate in the water leg, the bottom of the water leg is provided with exhalant canal.
5. a kind of handware machining drilling machine according to claim 1, it is characterised in that:The handware machining drilling machine is also wrapped Storage tank is included, the bottom of the storage tank is provided with water inlet pipe, is provided with outlet pipe, sets on the outlet pipe at the top of the storage tank The end for having suction pump, the outlet pipe is provided with water body injector head, and the end of the water inlet pipe is connected with exhalant canal.
6. a kind of handware machining drilling machine according to claim 1, it is characterised in that:The handware machining drilling machine is also wrapped Break-make electric switch is included, described break-make electric switch one end is connected with electric magnet, and the break-make electric switch other end is connected with power supply.
7. a kind of handware machining drilling machine according to claim 1, it is characterised in that:The handware machining drilling machine is also wrapped Workpiece is included, the lower section of the workpiece setting drill bit, the bottom of the workpiece are contacted with workbench, in the Workpiece boring position Heart line is overlapped with the centrage of one-level through hole.
CN201620914649.9U 2016-08-19 2016-08-19 A kind of handware machining drilling machine Expired - Fee Related CN206047663U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620914649.9U CN206047663U (en) 2016-08-19 2016-08-19 A kind of handware machining drilling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620914649.9U CN206047663U (en) 2016-08-19 2016-08-19 A kind of handware machining drilling machine

Publications (1)

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CN206047663U true CN206047663U (en) 2017-03-29

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Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107262770A (en) * 2017-05-15 2017-10-20 朱礼鹏 A kind of wheel hub processing drilling equipment for facilitating clamping
CN107443325A (en) * 2017-08-30 2017-12-08 重庆市永川区泰兴机械厂 The medium-and-large-sized cylinder body turnover mechanism of marine diesel
CN107470865A (en) * 2017-08-08 2017-12-15 合肥英源新材料科技有限公司 A kind of manufacture method of the instrument installs case of meter support device
CN107571053A (en) * 2017-10-19 2018-01-12 梁北洪 A kind of fixed mechanism of special-shaped workpiece
CN107598205A (en) * 2017-09-28 2018-01-19 天津市誉航润铭科技发展有限公司 One kind processing drilling part device
CN107695738A (en) * 2017-09-27 2018-02-16 海盐琦安瑞精密机械有限公司 A kind of belt pulley drilling equipment
CN107738137A (en) * 2017-10-15 2018-02-27 芜湖挺优机电技术有限公司 A kind of machining tool coolant nozzle positioner
CN107983999A (en) * 2017-12-06 2018-05-04 高佳 A kind of gear puncher with clamping function
CN107999806A (en) * 2017-12-24 2018-05-08 乐清市驰林电气有限公司 A kind of adjustable machinery processing apparatus
CN108015308A (en) * 2018-01-16 2018-05-11 湖北三叶机电制造股份有限公司 A kind of drilling machine
CN108326347A (en) * 2018-04-25 2018-07-27 苏州鸣人金属制品有限公司 A kind of production and processing drilling device
CN108356533A (en) * 2018-02-09 2018-08-03 乐福特科技(深圳)有限公司 The part drilling-milling apparatus of multistation processing is realized on a kind of straight line station
CN108380917A (en) * 2018-04-25 2018-08-10 苏州鸣人金属制品有限公司 A kind of multifunctional hole-drilling equipment
CN108422227A (en) * 2018-05-17 2018-08-21 句容新禾五金电器有限公司 A kind of workpiece clamping device
CN108581541A (en) * 2018-07-03 2018-09-28 绵竹市凯瑞机械加工有限公司 It is a kind of to improve the device that precision is processed to ring flange
CN108687695A (en) * 2018-07-12 2018-10-23 湖州织里曦之贝服饰有限公司 A kind of accessory production and processing spring cooling clamping device
CN108788824A (en) * 2018-06-29 2018-11-13 温州市职业中等专业学校 High-precision horizontal Machining centers
CN108817503A (en) * 2018-06-26 2018-11-16 孙寅 A kind of automobile manufacture angle steel cutter device
CN108890327A (en) * 2018-07-03 2018-11-27 绵竹市凯瑞机械加工有限公司 It is a kind of to process the fixed equipment used suitable for ring flange
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CN108941708A (en) * 2018-07-26 2018-12-07 芜湖精达机械制造有限公司 A kind of milling machine for processing side inclined hole
CN109128956A (en) * 2018-10-12 2019-01-04 刘湘静 A kind of Novel drilling equipment for electronics manufacturing area
CN109396484A (en) * 2017-08-17 2019-03-01 南京雄豹精密机械有限公司 Sliding block installs hole processing device
CN109590551A (en) * 2018-12-25 2019-04-09 湖北航宇精工科技有限公司 Automatically inner-hole burr mechanism is gone to
CN109664125A (en) * 2018-12-20 2019-04-23 安徽米科智能科技有限公司 A kind of tooling device of automatic positioning and clamping
CN110640583A (en) * 2019-11-08 2020-01-03 徐州恒永电子科技有限公司 Hardware is grinding device regularly
CN110757241A (en) * 2019-11-05 2020-02-07 湖南城市学院 Numerically-controlled drilling machine with water-cooling function
CN110860957A (en) * 2019-11-27 2020-03-06 湖南大合新材料有限公司 Semiconductor processing device
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Cited By (38)

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CN107262770A (en) * 2017-05-15 2017-10-20 朱礼鹏 A kind of wheel hub processing drilling equipment for facilitating clamping
CN107262770B (en) * 2017-05-15 2019-07-09 广州中精汽车部件有限公司 A kind of wheel hub processing drilling equipment facilitating clamping
CN107470865A (en) * 2017-08-08 2017-12-15 合肥英源新材料科技有限公司 A kind of manufacture method of the instrument installs case of meter support device
CN109396484A (en) * 2017-08-17 2019-03-01 南京雄豹精密机械有限公司 Sliding block installs hole processing device
CN107443325A (en) * 2017-08-30 2017-12-08 重庆市永川区泰兴机械厂 The medium-and-large-sized cylinder body turnover mechanism of marine diesel
CN107443325B (en) * 2017-08-30 2019-09-03 重庆市永川区泰兴机械厂 The medium-and-large-sized cylinder body turnover mechanism of marine diesel
CN107695738A (en) * 2017-09-27 2018-02-16 海盐琦安瑞精密机械有限公司 A kind of belt pulley drilling equipment
CN107598205A (en) * 2017-09-28 2018-01-19 天津市誉航润铭科技发展有限公司 One kind processing drilling part device
CN107738137A (en) * 2017-10-15 2018-02-27 芜湖挺优机电技术有限公司 A kind of machining tool coolant nozzle positioner
CN107571053A (en) * 2017-10-19 2018-01-12 梁北洪 A kind of fixed mechanism of special-shaped workpiece
CN107983999A (en) * 2017-12-06 2018-05-04 高佳 A kind of gear puncher with clamping function
CN107999806A (en) * 2017-12-24 2018-05-08 乐清市驰林电气有限公司 A kind of adjustable machinery processing apparatus
CN108015308A (en) * 2018-01-16 2018-05-11 湖北三叶机电制造股份有限公司 A kind of drilling machine
CN108356533A (en) * 2018-02-09 2018-08-03 乐福特科技(深圳)有限公司 The part drilling-milling apparatus of multistation processing is realized on a kind of straight line station
CN108380917A (en) * 2018-04-25 2018-08-10 苏州鸣人金属制品有限公司 A kind of multifunctional hole-drilling equipment
CN108326347A (en) * 2018-04-25 2018-07-27 苏州鸣人金属制品有限公司 A kind of production and processing drilling device
CN108422227A (en) * 2018-05-17 2018-08-21 句容新禾五金电器有限公司 A kind of workpiece clamping device
CN108817503A (en) * 2018-06-26 2018-11-16 孙寅 A kind of automobile manufacture angle steel cutter device
CN108788824B (en) * 2018-06-29 2019-09-17 温州市职业中等专业学校 The fixed device of high-precision horizontal Machining centers
CN108788824A (en) * 2018-06-29 2018-11-13 温州市职业中等专业学校 High-precision horizontal Machining centers
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CN109128956B (en) * 2018-10-12 2021-09-07 深圳市广安瑞业设备有限公司 Drilling equipment used in electronic production field
CN109128956A (en) * 2018-10-12 2019-01-04 刘湘静 A kind of Novel drilling equipment for electronics manufacturing area
CN109664125A (en) * 2018-12-20 2019-04-23 安徽米科智能科技有限公司 A kind of tooling device of automatic positioning and clamping
CN109590551A (en) * 2018-12-25 2019-04-09 湖北航宇精工科技有限公司 Automatically inner-hole burr mechanism is gone to
CN109590551B (en) * 2018-12-25 2020-08-04 湖北航宇精工科技有限公司 Automatic inner hole burr removing mechanism
CN110757241A (en) * 2019-11-05 2020-02-07 湖南城市学院 Numerically-controlled drilling machine with water-cooling function
CN110640583A (en) * 2019-11-08 2020-01-03 徐州恒永电子科技有限公司 Hardware is grinding device regularly
CN110860957A (en) * 2019-11-27 2020-03-06 湖南大合新材料有限公司 Semiconductor processing device
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CN111413068A (en) * 2020-04-29 2020-07-14 燕凤侠 Optical detection device
CN112024936A (en) * 2020-07-15 2020-12-04 江苏扬园金属制造有限公司 Perforating device for pipe fitting
CN112008472A (en) * 2020-08-18 2020-12-01 海宁欣鼎商贸有限公司 Full-automatic ironwork cutting iron fillings are from recovery plant
CN112264646A (en) * 2020-10-19 2021-01-26 胡少洪 Accurate positioning drilling machine with automatic calibration function

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