CN107855615A - A kind of electrostatic crumb loading formula chasing bar - Google Patents

A kind of electrostatic crumb loading formula chasing bar Download PDF

Info

Publication number
CN107855615A
CN107855615A CN201711397351.0A CN201711397351A CN107855615A CN 107855615 A CN107855615 A CN 107855615A CN 201711397351 A CN201711397351 A CN 201711397351A CN 107855615 A CN107855615 A CN 107855615A
Authority
CN
China
Prior art keywords
tapping
electrostatic
crumb loading
storage compartment
interval
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.)
Pending
Application number
CN201711397351.0A
Other languages
Chinese (zh)
Inventor
刘建民
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.)
Chongqing Carver Industry Co Ltd
Original Assignee
Chongqing Carver Industry 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 Chongqing Carver Industry Co Ltd filed Critical Chongqing Carver Industry Co Ltd
Priority to CN201711397351.0A priority Critical patent/CN107855615A/en
Publication of CN107855615A publication Critical patent/CN107855615A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00Thread cutting; Automatic machines specially designed therefor
    • B23G1/22Machines specially designed for operating on pipes or tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00Thread cutting; Automatic machines specially designed therefor
    • B23G1/44Equipment or accessories specially designed for machines or devices for thread cutting
    • B23G1/52Equipment or accessories specially designed for machines or devices for thread cutting for operating on pipes or tubes
    • 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
    • B23Q11/0064Devices for removing chips by using a magnetic or electric field

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

The invention discloses a kind of electrostatic crumb loading formula chasing bar, including workbench, two-way tapper mechanism and electrostatic collection mechanism is provided with workbench;Two-way tapper mechanism includes two tapping machines, and tapping machine includes tapping bar, and two tapping bar ends close to each other are provided with elastic trigger switch;Electrostatic collection mechanism includes the electrostatic crumb loading area that high-voltage rectifying transformer and each tapping machine are equipped with, and electrostatic crumb loading area includes discharge plate and collecting plate, discharge plate and collecting plate connection corresponding with the positive pole and negative pole of high-voltage rectifying transformer respectively;Feeding machanism includes storage compartment, and storage compartment includes the guiding enclosure wall that two relative spacings are set, and one of be oriented on enclosure wall is provided with interval feed part, and interval is fed part and is driven using one of tapping machine as power by driving member;The present invention compared with prior art, is effectively collected to iron filings, improves the working environment of staff, and improve tapping efficiency and quality.

Description

A kind of electrostatic crumb loading formula chasing bar
Technical field
The present invention relates to locker processing equipment field, and in particular to a kind of electrostatic crumb loading formula chasing bar.
Background technology
Locker is usually to be used for bundling or fixing goods, is widely used in cargo transport and automobile fixture locking tool neck Domain, a kind of existing locker include connecting cylinder, screw rod, hook, driving wheel and handle, and connecting cylinder is connected with screw flight, hang Hook connects are on screw rod.
The connecting cylinder of locker is made of iron pipe, and the both sides in iron pipe carry out tapping respectively, the both sides shape in iron pipe The internal thread different into thread rotary orientation;Tapping is being carried out to iron pipe using tapping machine now, during carrying out tapping to iron pipe Need staff that continuously iron pipe is put on workbench and tapping is carried out to it, iron pipe can produce during tapping Substantial amounts of iron filings, iron filings splashes are easily hurted sb.'s feelings, and iron filings are everywhere on the table, influence the building ring of staff Border.
The content of the invention
For the deficiency in the presence of prior art, it is an object of the invention to provide a kind of electrostatic crumb loading formula tapping dress Put, to solve in the prior art, connecting cylinder is during tapping is carried out, and tapping efficiency is low and the problem of iron filings splashes.
To achieve the above object, present invention employs following technical scheme:A kind of electrostatic crumb loading formula chasing bar, including Workbench, it is provided with to both sides in iron pipe on the workbench while carries out the two-way tapper mechanism of tapping, to two-way tapping machine Structure interval provides the feeding machanism of iron pipe and iron filings caused by the process of two-way tapper mechanism progress tapping is collected quiet Electric collecting mechanism;
The two-way tapper mechanism includes carrying out opposite by actuator driving or mutually symmetrically arranged from two of motion attacked Silk machine, tapping machine include tapping bar, and two tapping bar ends close to each other are provided with elastic trigger switch;Two elasticity are touched When hair switch offsets, actuator drives two tapping bars to carry out mutually from motion;
The electrostatic collection mechanism includes the electrostatic crumb loading area that high-voltage rectifying transformer and each tapping machine are equipped with, Electrostatic crumb loading area includes discharge plate and collecting plate, discharge plate and collecting plate respectively with the positive pole of high-voltage rectifying transformer and Negative pole is corresponding to be connected;
The feeding machanism is included between two tapping machines and upper and lower end is the storage compartment of opening, and storage compartment is wrapped Include the guiding enclosure wall that two relative spacings are set, the interval of the iron pipe of storage compartment's memory storage between two guiding enclosure walls from it is lower to On stack gradually, one of be oriented on enclosure wall is provided with interval feed part, and interval is fed part and is using one of tapping machine Power is driven by driving member.
Compared to prior art, the present invention has the advantages that:
1st, high-voltage DC power supply is provided for discharge plate and collecting plate by high-voltage rectifying transformer, makes discharge plate and collection Form electrostatic place between dirt plate, electrostatic place attack against each other a machine caused iron filings in tapping process is carried out carried out by collecting plate it is quiet Electro Sorb, iron filings splashes are avoided, after completing tapping, high-voltage rectifying transformer power-off can carry out clear to caused scrap Reason;
2nd, whole device reasonably make use of power of the actuator during operation, can measure bigger profit With;
3rd, during two tapping bars carry out tapping, when the elastic trigger switch of two tapping boom ends offsets To wait, actuator drives two tapping bars mutually complete tapping work from motion, avoid two tapping bars from being contacted firmly, The damage of tapping bar is caused, so as to carry out safely and effectively tapping work;
4th, power is provided by actuator, two tapping machine move toward one anothers of driving carry out tapping simultaneously to the both sides in iron pipe Work, while the iron pipe by storing indoor storage of the interval feed part interval set by being oriented on enclosure wall provides to tapping machine Tapping raw material, so as to improve the tapping efficiency to iron pipe, and two guiding enclosure walls serve fixed effect to iron pipe, avoid Iron pipe shakes during tapping is carried out, and improves the tapping quality of iron pipe.
Brief description of the drawings
Fig. 1 is a kind of structural representation of electrostatic crumb loading formula chasing bar of the present invention;
Fig. 2 is the profile of Tu1Zhong storage compartments.
Embodiment
Below by embodiment, the present invention is further detailed explanation:
Reference in Figure of description includes:Workbench 1, tapping machine 2, elastic trigger switch 3, worm gear 4, screw rod 5, Worm screw section 6, sleeve 7, it is oriented to enclosure wall 8, overhead gage 9, lower baffle 10, pressing plate 11, threaded rod 12, gear 13, support tube 14, rack 15th, relief hole 16, feeding slide plate 17, high-voltage rectifying transformer 18, discharge plate 19, collecting plate 20.
Embodiment
With reference to shown in figure 1 and Fig. 2:A kind of electrostatic crumb loading formula chasing bar, including workbench 1, it is provided with workbench 1 double To tapper mechanism, feeding machanism and electrostatic collection mechanism;Two-way tapper mechanism include by actuator driving carry out it is opposite or mutually from Two symmetrically arranged tapping machines 2 of motion, tapping machine 2 are slidably arranged on the guide rail of the installation on workbench 1, tapping machine 2 include tapping bar, and two tapping bar ends close to each other are provided with elastic trigger switch 3;Actuator is included by engine The worm gear 4 that structure is driven and the screw rod 5 being rotatably arranged on workbench 1, actuating unit can be Double-directional rotary motor, elasticity Trigger switch 3 electrically connects with actuating unit, and the center of worm gear 4 is connected with the output end of actuating unit, and worm screw includes being located at middle part Worm screw section 6 and be connected to the left spiro rod section at the both ends of worm screw section 6 and right spiro rod section, worm screw section 6 is connected with worm gear 4, left spiral shell Thread rotary orientation in bar segment and right spiro rod section is on the contrary, and be threaded with sleeve 7, two sets on left spiro rod section and right spiro rod section Cylinder 7 is fixedly connected by connecting rod and the tapping machine being equipped with it 2 respectively;There is provided by actuating unit original dynamic Power, driving worm gear 4 rotate, and the worm screw section 6 of worm gear 4 and worm screw, which is connected, drives worm screw to rotate, mistake of the worm screw in rotation Cheng Zhong, drive two sleeves 7 to carry out move toward one another, and then drive two tapping machines 2 to carry out move toward one another motion, two tapping machines 2 during move toward one another, and the tapping bar of tapping machine 2 carries out tapping work to iron pipe, when the elasticity of two tapping boom ends When trigger switch 3 offsets, actuating unit rotates backward, so that worm gear 4 and worm screw rotate backward, two sleeves 7 of driving enter Row makes two tapping machines 2 mutually withdrawn from motion, two tapping bars from the iron pipe for completing tapping mutually from motion.
The feeding machanism is included between two tapping machines 2 and upper and lower end is the storage compartment of opening, and storage compartment is wrapped Include the guiding enclosure wall 8 that two relative spacings are set, the interval of the iron pipe of storage compartment's memory storage between two guiding enclosure walls 8 is under To above stacking gradually, one of be oriented on enclosure wall 8 is provided with interval feed part, and interval is fed part with one of tapping machine 2 It is driven for power by driving member;Interval feed part includes being slidably arranged in being oriented on enclosure wall 8 to be carried out inside and outside storage compartment Mobile overhead gage 9 and lower baffle 10, overhead gage 9 and lower baffle 10 are moved backward it by driving member, and lower baffle 10 On be provided with multiple pressing plates 11 for being fixed of iron pipes to being located at lower side in storage compartment, contact of the pressing plate 11 with iron pipe End face is curved, and multiple clip tooths are evenly equipped with its end face;Driving member includes the threaded rod 12 being driven by tapping machine 2 and turned The dynamic gear 13 set, one end of threaded rod 12 are connected by spring with one of connecting rod, and gear 13 is away from connecting rod An annular groove using its center as the center of circle is provided with end face, is slided in annular groove and is arranged with support tube 14, support tube 14 passes through Connecting plate is fixedly mounted on workbench 1;The center of gear 13 is provided with screwed hole, the screwed hole screw thread of threaded rod 12 and gear 13 Connection, the both sides of gear 13 are engaged with the rack 15 be arrangeding in parallel, two racks 15 respectively with overhead gage 9 and lower baffle 10 one by one It is connected;Relief hole 16 is provided with positioned at the downside at two middle parts of guiding enclosure wall 8 on workbench 1, positioned at the following table of workbench 1 Face is hinged with feeding slide plate 17, and relief hole 16 is located above the middle part of feeding slide plate 17;In the progress close to each other of two tapping machines 2 During tapping, driving threaded rod 12 moves in the screwed hole of gear 13 to close to the direction of connecting plate, and gear 13 occurs Rotate, so as to enter action edge transmission by rack 15, drive lower baffle 10 and pressing plate 11 simultaneously in the guiding being equipped with it Slided on enclosure wall 8 to another guiding enclosure wall 8 and enter line slip, overhead gage 9 in storage compartment with lower baffle 10 in a reverse direction Enter line slip, lower baffle 10 is supported to the iron pipe of storage compartment lower side, and pressing plate 11 to the iron pipe of lower side compress admittedly Fixed, the opening center at the iron pipe both ends of lower side on one wire, passes through pressing plate 11 with the tapping end center of two tapping bars With the pressure of the iron pipe of upside, clamping fixed further is carried out to the iron pipe of lower side, avoids the iron pipe of lower side from being attacked Shaken during silk;After the iron pipe of lower side completes tapping, two tapping machines 2 are located remotely from each other, so as to drive screw thread Bar 12 moves in the screwed hole of gear 13 to the direction away from connecting plate, and gear 13 rotates backward, and then makes lower baffle 10, pressure Plate 11 and upper plate washer enter line slip in a reverse direction, and the iron pipe for completing tapping is fallen on from relief hole 16 on feeding slide plate 17, Feeding slide plate 17 is rotated by the Action of Gravity Field of iron pipe, and feeding slide plate 17 forms an inclined slideway and sees iron pipe off, The position of feeding slide plate 17 is provided with beneficial to being rotated by the Action of Gravity Field of iron pipe, and lower baffle 10 slides into storage compartment, Iron pipe in storage compartment is supported, avoids the iron pipe in storage compartment from draining from relief hole 16;When again to iron pipe progress Tapping, when two tapping machines 2 are close to each other, lower baffle 10, pressing plate 11 and upper plate washer move backward again, in storage compartment Iron pipe is moved down successively, and tapping work is carried out to the iron pipe of lower side.
The electrostatic collection mechanism includes the high-voltage rectifying transformer 18 being arranged on workbench 1 and each tapping machine 2 is equal The electrostatic crumb loading area being equipped with, electrostatic crumb loading area include one group of discharge plate 19 and collecting plate 20 be arrangeding in parallel, carry out The both ends of the iron pipe of tapping are located at respectively between every group of discharge plate 19 and collecting plate 20, discharge plate 19 and collecting plate 20 connections corresponding with the positive pole and negative pole of high-voltage rectifying transformer 18 respectively;During iron pipe carries out tapping, pass through high pressure Rectifier transformer 18 provides high-voltage DC power supply, makes powered on discharge plate 19 and collecting plate 20, discharge plate 19 and collecting plate Electrostatic field is formed between 20, iron filings caused by iron pipe tapping are adsorbed on collecting plate 20, iron filings are collected.
In use, starting actuating unit, two move toward one anothers of tapping machine 2, tapping work, while high repoussage are carried out to iron pipe Convertor transformer 18 is powered, and electrostatic field is formed between discharge plate 19 and collecting plate 20, and collecting plate 20 is received to caused iron filings Collection.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the skill of the present invention Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this Among the right of invention.

Claims (3)

1. a kind of electrostatic crumb loading formula chasing bar, it is characterised in that including workbench, be provided with the workbench in iron pipe Both sides carry out the two-way tapper mechanism of tapping, provide the feeding machanism of iron pipe to two-way tapper mechanism interval and attacked to two-way simultaneously The electrostatic collection mechanism that iron filings caused by the process of silk mechanism progress tapping are collected;
The two-way tapper mechanism includes carrying out two symmetrically arranged tapping machines of the opposite or phase from motion by actuator driving, Tapping machine includes tapping bar, and two tapping bar ends close to each other are provided with elastic trigger switch;Two elasticity triggerings are opened When pass offsets, actuator drives two tapping bars to carry out mutually from motion;
The electrostatic collection mechanism includes the electrostatic crumb loading area that high-voltage rectifying transformer and each tapping machine are equipped with, electrostatic Crumb loading area includes discharge plate and collecting plate, discharge plate and the collecting plate positive pole and negative pole with high-voltage rectifying transformer respectively Corresponding connection;
The feeding machanism is included between two tapping machines and upper and lower end is the storage compartment of opening, and storage compartment includes two The guiding enclosure wall that individual relative spacing is set, the interval of the iron pipe of storage compartment's memory storage between two guiding enclosure walls from top to bottom according to Secondary stacking, one of be oriented on enclosure wall are provided with interval feed part, and interval is fed part and led to using one of tapping machine as power Driving member is crossed to be driven.
A kind of 2. electrostatic crumb loading formula chasing bar according to claim 1, it is characterised in that:The interval feed part includes The overhead gage and lower baffle for being oriented to and being moved on enclosure wall inside and outside storage compartment are slidably arranged in, overhead gage and lower baffle are by being driven Part is moved backward it, and multiple iron pipes to being located at lower side in storage compartment are provided with lower baffle and are fixed Pressing plate, pressing plate moves with lower baffle inside and outside storage compartment.
A kind of 3. electrostatic crumb loading formula chasing bar according to claim 1 or 2, it is characterised in that:The driving member includes The threaded rod that is driven by tapping machine and the gear set is rotated, the center of gear is provided with screwed hole, threaded rod and gear Screwed hole is threadedly coupled, and the both sides of gear are engaged with the rack be arrangeding in parallel, two racks respectively with overhead gage and lower baffle one One is connected.
CN201711397351.0A 2017-12-21 2017-12-21 A kind of electrostatic crumb loading formula chasing bar Pending CN107855615A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711397351.0A CN107855615A (en) 2017-12-21 2017-12-21 A kind of electrostatic crumb loading formula chasing bar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711397351.0A CN107855615A (en) 2017-12-21 2017-12-21 A kind of electrostatic crumb loading formula chasing bar

Publications (1)

Publication Number Publication Date
CN107855615A true CN107855615A (en) 2018-03-30

Family

ID=61706942

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711397351.0A Pending CN107855615A (en) 2017-12-21 2017-12-21 A kind of electrostatic crumb loading formula chasing bar

Country Status (1)

Country Link
CN (1) CN107855615A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110504096A (en) * 2018-05-16 2019-11-26 宁波新州焊接设备有限公司 A kind of transformer
CN111872734A (en) * 2020-07-31 2020-11-03 周书全 High-precision lathe for optical axis machining

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201547896U (en) * 2009-09-27 2010-08-11 谭胜德 Anion smoke dust purifier
CN201871828U (en) * 2010-11-26 2011-06-22 黄山市永丰机电制造有限公司 Numerical control tapping machine tool
CN103182544A (en) * 2011-12-30 2013-07-03 上海运安制版有限公司 Two-way self-centering automatic taper hole machine tool
CN103372689A (en) * 2013-07-09 2013-10-30 缙云县汽缸体厂 Duplex head internal thread miller
CN105234460A (en) * 2015-11-06 2016-01-13 天津市晟岛科技有限公司 Perforating device
CN205289964U (en) * 2016-01-15 2016-06-08 成都佰富隆精工机械有限公司 Special two -way tapping machine of bearing cap
CN205629399U (en) * 2016-05-07 2016-10-12 桐乡市中泰纺织练染有限公司 Automatic feeding device
CN106334841A (en) * 2016-11-03 2017-01-18 昆山辰峰新金属制品有限公司 Accurate-locating double-end tapping machining equipment for aluminum profile
CN206561144U (en) * 2017-03-27 2017-10-17 广东鹏大五金制品有限公司 A kind of two-way drilling machine
CN207787878U (en) * 2017-12-21 2018-08-31 重庆卡沃尔工业有限公司 A kind of electrostatic crumb loading formula chasing bar

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201547896U (en) * 2009-09-27 2010-08-11 谭胜德 Anion smoke dust purifier
CN201871828U (en) * 2010-11-26 2011-06-22 黄山市永丰机电制造有限公司 Numerical control tapping machine tool
CN103182544A (en) * 2011-12-30 2013-07-03 上海运安制版有限公司 Two-way self-centering automatic taper hole machine tool
CN103372689A (en) * 2013-07-09 2013-10-30 缙云县汽缸体厂 Duplex head internal thread miller
CN105234460A (en) * 2015-11-06 2016-01-13 天津市晟岛科技有限公司 Perforating device
CN205289964U (en) * 2016-01-15 2016-06-08 成都佰富隆精工机械有限公司 Special two -way tapping machine of bearing cap
CN205629399U (en) * 2016-05-07 2016-10-12 桐乡市中泰纺织练染有限公司 Automatic feeding device
CN106334841A (en) * 2016-11-03 2017-01-18 昆山辰峰新金属制品有限公司 Accurate-locating double-end tapping machining equipment for aluminum profile
CN206561144U (en) * 2017-03-27 2017-10-17 广东鹏大五金制品有限公司 A kind of two-way drilling machine
CN207787878U (en) * 2017-12-21 2018-08-31 重庆卡沃尔工业有限公司 A kind of electrostatic crumb loading formula chasing bar

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110504096A (en) * 2018-05-16 2019-11-26 宁波新州焊接设备有限公司 A kind of transformer
CN110504096B (en) * 2018-05-16 2024-04-12 宁波新州焊接设备有限公司 Transformer
CN111872734A (en) * 2020-07-31 2020-11-03 周书全 High-precision lathe for optical axis machining

Similar Documents

Publication Publication Date Title
CN206415561U (en) A kind of robot automatic riveting device
CN106274018B (en) A kind of automatic dyestripping machine
CN201975270U (en) Metal-spraying equipment
CN107855615A (en) A kind of electrostatic crumb loading formula chasing bar
CN108748235A (en) A kind of gripping robot easy to use
CN207787878U (en) A kind of electrostatic crumb loading formula chasing bar
CN105798032B (en) A kind of cleaning machine
CN107931752A (en) A kind of clipping chasing bar
CN206510057U (en) A kind of adjustable mechanical hand
CN107838505A (en) A kind of efficiently two-way chasing bar
CN206244032U (en) Mechanical clamp
CN207787877U (en) A kind of efficiently two-way chasing bar
CN208063839U (en) A kind of fruit picking collection device
CN207787876U (en) A kind of Automatic-feeding formula threading apparatus
CN109794567A (en) A kind of controller for electric vehicle productive power line processing intercept unit
CN207787882U (en) A kind of clipping chasing bar
CN207788411U (en) A kind of absorption dust-collecting type tapping system
CN207293777U (en) A kind of colour-spun yarns bobbin winder device
CN205771801U (en) A kind of high speed material tidying mechanism
CN107552929A (en) A kind of electric welding machine equipped with adjustable hydraulic retention mechanism
CN209156479U (en) A kind of workpiece tapped through hole cleaning device
CN108569595A (en) One kind smoothing out with the fingers line function cable receptacle automatically
CN208773735U (en) A kind of long puncher manipulator of 1 meter of 2 flexible board
CN210443419U (en) Transformer high-voltage and low-voltage winding processing device
CN211163371U (en) Mechanical automatic grinding device for workpiece

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20180330

RJ01 Rejection of invention patent application after publication