CN105006392A - Automatic polishing trimmer for static contacts - Google Patents

Automatic polishing trimmer for static contacts Download PDF

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Publication number
CN105006392A
CN105006392A CN201510442436.0A CN201510442436A CN105006392A CN 105006392 A CN105006392 A CN 105006392A CN 201510442436 A CN201510442436 A CN 201510442436A CN 105006392 A CN105006392 A CN 105006392A
Authority
CN
China
Prior art keywords
polishing
worm
fixed contact
shaping
workpiece fixing
Prior art date
Application number
CN201510442436.0A
Other languages
Chinese (zh)
Inventor
王竞如
刘晓颖
刘坚钢
吴德祥
何耀明
许文枫
符吉祥
蒋超奇
熊白云
Original Assignee
宁波耀华电气科技有限责任公司
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 宁波耀华电气科技有限责任公司 filed Critical 宁波耀华电气科技有限责任公司
Priority to CN201510442436.0A priority Critical patent/CN105006392A/en
Publication of CN105006392A publication Critical patent/CN105006392A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B29/00Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • B24B29/02Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00Apparatus or processes specially adapted for manufacture of electric switches
    • H01H11/04Apparatus or processes specially adapted for manufacture of electric switches of switch contacts

Abstract

The invention provides an automatic polishing trimmer for static contacts, which comprises a base and a workpiece positioning module. The workpiece positioning module is arranged rotatably on the base. The workpiece positioning module is connected with an intermittent drive mechanism used for driving the workpiece positioning module to move intermittently. One round of the workpiece positioning module is provided with uniformly-spaced notches used for the assembly of to-be-machined static contacts. The workpiece positioning module is successively provided with a feeding station, a shaping station, a polishing station and a blanking station along the running direction. The shaping station is provided with a shaping mechanism. The shaping mechanism comprises a compaction assembly and a stamping assembly. The compaction assembly comprises a first telescopic drive device, a horizontal telescopic shaft and a compaction block. The stamping assembly comprises a second telescopic drive device, a vertical telescopic shaft and a stamping block. The automatic polishing trimmer further comprises an automatic shaping controller. under the control effect of the automatic shaping controller, when the workpiece positioning module is in the stopping state, the shaping mechanism is switched on to successively compress and stamp workpieces, and then is reset after the stamping operation. The automatic polishing trimmer is high in machining efficiency and good in quality stability.

Description

Fixed contact automatic polishing trimmer

Technical field

The present invention relates to switch static contact process equipment, especially a kind of fixed contact polishing shaping device.

Background technology

Existing switch static contact adopts copper material to weld silver strip manufacture in a large number, is tightly melted to solder by copper contact, solder and the silver strip mould inner pressure at higher temperature during welding, by copper contact and silver strip welded together, and to electroplate.Because welding high temperature makes silver strip surface softening, cause rough surface; Plating adopts barrel plating, and bending part may be caused to be out of shape.

Summary of the invention

In order to the deficiency that the operation overcoming existing switch static contact processing mode is more, working (machining) efficiency is lower, quality stability is poor, the invention provides the fixed contact automatic polishing trimmer that a kind of working (machining) efficiency is higher, quality stability is good.

The technical solution adopted for the present invention to solve the technical problems is:

A kind of fixed contact automatic polishing trimmer, comprise pedestal and Workpiece fixing mould, described Workpiece fixing mould is installed in rotation on pedestal, described Workpiece fixing mould with for driving the intermittent drive mechanism of Workpiece fixing mould intermittent movement to be connected, the equally spaced notch arranged for fixed contact to be processed assembling of one circle of described Workpiece fixing mould, described Workpiece fixing mould side arranges feeding station successively according to traffic direction, shaping station, polishing station and discharge station, described shaping station installs reshaping device, described reshaping device comprises and holding down assembly and punch assembly, described holding down assembly comprises the first retractable driving device, horizontal extension axle and compact heap, the output of described first retractable driving device installs described horizontal extension axle, compact heap is installed in the end of described horizontal extension axle, described compact heap is positioned at the outside of described notch, described punch assembly comprises the second retractable driving device, vertically telescopic shaft and pressing block, the output of described second retractable driving device is connected with described vertical telescopic shaft, described pressing block is installed in the lower end of described vertical telescopic shaft, described pressing block is positioned at the top of described notch, and described automatic polishing trimmer also comprises and first compresses punching press again and the automatic shaping controller resetted after punching press completes for controlling to start when described Workpiece fixing mould is in halted state described reshaping device.

Further, described automatic shaping controller comprises the first travel switch, the one or two electromagnetically operated valve, the second travel switch and the two or two electromagnetically operated valve, described first travel switch is connected with the first two-dimensional electromagnetic valve, described one or two electromagnetically operated valve is the control switch of the second retractable driving device, described second stroke is connected with the second two-dimensional electromagnetic valve, described two or two electromagnetically operated valve is the control switch of the first retractable driving device, successively triggers described second travel switch, the first travel switch after described Workpiece fixing mould is in halted state.

Further again, described intermittent drive mechanism comprises intermittent drive device, worm and gear assembly, axial cam and rotating disk, rotating disk pin arranged at equal intervals by one circle of described rotating disk, the output shaft of described intermittent drive device is connected with the worm screw of described worm and gear assembly, described axial cam is installed in the side of the worm-wheel shaft of described worm and gear assembly, described axial cam comprises oblique flange and straight flange, described oblique flange connects straight flange, it is 360 ° after oblique flange place angle and adjacent straight flange place angle are added, the oblique flange of described axial cam and the straight matched in clearance of flange respectively and between adjacent discs pin, described rotating disk and described Workpiece fixing mould are coaxially arranged.

The opposite side of described worm-wheel shaft installs radial cams, and the longitudinal end of described radial cams is provided with side direction breach, and described second travel switch, the first travel switch coordinate respectively at described radial cams, and described first stroke Switch Controller answers the top of described side direction breach.

Described polishing station installs polishing assembly, described polishing assembly comprises polishing motor, emery wheel and polishing adjusting device, the output shaft of described polishing motor installs emery wheel, described emery wheel is positioned at the top of the Workpiece fixing mould of described fixed contact shaping polishing machine, described polishing adjusting device comprises adjustment support and slide block, described adjustment support is fixed on the pedestal of described fixed contact shaping polishing machine, described adjustment support comprises seat and the support seat of honour under support, under described support, seat fixes guide pillar, the mounting bracket seat of honour, upper end of described guide pillar, described slide block can slide up and down to be sleeved on described guide pillar, described polishing motor is fixedly connected with described slide block, described slide block is connected with the driven unit for driving described slide block to move up and down.

Described driven unit comprises adjusting screw(rod) and adjusting handle, and the lower end of described adjusting screw(rod) is movably connected on described slide block, and described adjusting screw(rod) passes the added internal thread hole of described bearing, and described adjusting handle is installed in the upper end of described adjusting screw(rod).

Described slide block fixedly mounts cover plate, and the lower end of described adjusting screw(rod) is provided with step, and described step hangs in described cover plate.

Described discharge station installs top mechanism, described ejecting mechanism comprises and ejects drive unit and push rod, the described output ejecting drive unit is connected with described push rod, and described push rod is positioned at the below of described notch, described one or two electromagnetically operated valve be described in eject the control switch of driving mechanism.

Beneficial effect of the present invention is mainly manifested in: working (machining) efficiency is higher, quality stability is good, can complete the polishing shaping of contact efficiently.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of fixed contact automatic polishing trimmer.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is that the intermittent condition of axial cam and rotating disk coordinates schematic diagram.

Fig. 4 is the A-A figure of Fig. 3.

Fig. 5 is the cooperation schematic diagram of the linkage status of axial cam and rotating disk.

Fig. 6 is the A-A figure of Fig. 5.

Fig. 7 is the schematic diagram of instrument ejecting mechanism.

Fig. 8 is the schematic diagram of grinding wheel regulating mechanism.

Fig. 9 is the control principle drawing of two electromagnetically operated valves and hydraulic jack.

Embodiment

Below in conjunction with accompanying drawing, the invention will be further described.

With reference to Fig. 1 ~ Fig. 9, a kind of fixed contact automatic polishing trimmer, comprise pedestal 1 and Workpiece fixing mould 16, described Workpiece fixing mould 16 is installed in rotation on pedestal 1, described Workpiece fixing mould 16 with for driving the intermittent drive mechanism of Workpiece fixing mould intermittent movement to be connected, one circle of described Workpiece fixing mould 16 is equally spaced arranges the notch assembled for fixed contact 10 to be processed, described Workpiece fixing mould 16 side arranges feeding station successively according to traffic direction, shaping station, polishing station and discharge station, described shaping station installs reshaping device, described reshaping device comprises and holding down assembly and punch assembly, described holding down assembly comprises the first retractable driving device 9, horizontal extension axle 8 and compact heap, the output of described first retractable driving device 9 installs described horizontal extension axle 8, compact heap is installed in the end of described horizontal extension axle 8, described compact heap is positioned at the outside of described notch, described punch assembly comprises the second retractable driving device 12, vertically telescopic shaft 11 and pressing block, the output of described second retractable driving device 12 is connected with described vertical telescopic shaft 11, described pressing block is installed in the lower end of described vertical telescopic shaft 11, described pressing block is positioned at the top of described notch, and described automatic polishing trimmer also comprises and first compresses punching press again and the automatic shaping controller resetted after punching press completes for controlling to start when described Workpiece fixing mould is in halted state described reshaping device.

Further, described automatic shaping controller comprises the first travel switch 24, one or two electromagnetically operated valve 26, second travel switch 25 and the two or two electromagnetically operated valve 27, described first travel switch 24 is connected with the first two-dimensional electromagnetic valve 26, described one or two electromagnetically operated valve 26 is control switchs of the second retractable driving device 12, described second stroke 25 is connected with the second two-dimensional electromagnetic valve 27, described two or two electromagnetically operated valve 27 is control switchs of the first retractable driving device 9, successively described second travel switch 25 is triggered after described Workpiece fixing mould 16 is in halted state, first travel switch 24.

Further again, described intermittent drive mechanism comprises intermittent drive device 2, worm and gear assembly, axial cam 19 and rotating disk 4, rotating disk pin 5 arranged at equal intervals by one circle of described rotating disk 4, the output shaft of described intermittent drive device is connected with the worm screw 3 of described worm and gear assembly, described axial cam 19 is installed in the side of the worm-wheel shaft 20 of described worm and gear assembly, described axial cam 19 comprises oblique flange and straight flange, described oblique flange connects straight flange, it is 360 ° after oblique flange place angle and adjacent straight flange place angle are added, the oblique flange of described axial cam and the straight matched in clearance of flange respectively and between adjacent discs pin 5, described rotating disk 4 is coaxially arranged with described Workpiece fixing mould 16.

Further, described axis cam 19 comprises one section of oblique flange and two sections of straight flanges, and wherein one section of straight flange is connected with one end of described one section of oblique flange, and the other end of described one section of oblique flange connects with the wherein straight flange of another section.Certainly, also other arrangements can be adopted, such as two sections of oblique flanges and one section of straight flange etc.

The opposite side of described worm-wheel shaft 20 installs radial cams 23, the longitudinal end of described radial cams 23 is provided with side direction breach, described second travel switch 25, first travel switch 24 coordinates respectively at described radial cams, and the top of the corresponding described side direction breach of described first travel switch 25.The position of described side direction breach is arranged according to the rotation direction of worm-wheel shaft, after worm-wheel shaft rotates, towards the direction of described two travel switches, after radial cams rotates from minor axis side direction major axis side, major axis side contacts with the second travel switch without side direction indentation, there, now, due to the existence of side direction breach, major axis side has side direction indentation, there can not to conflict the first travel switch, and the radian at side direction breach place is arranged as required; After worm-wheel shaft is rotated further and turns over described side direction breach, the first travel switch is also surveyed with major axis and is contacted; Achieve the job order of the second travel switch (control hold down assembly action) first action, the first travel switch (controlling punch assembly action) action afterwards like this.

Further again, be provided with side direction breach to the bilateral symmetry of the longitudinal end of described radial cams; When after action after the first action of the second travel switch, the first travel switch, radian interval between two, the major axis side side direction breach of radial cams, for the trimming time, after trimming completes, the second travel switch is still in and major axis side conflict state, and the first stroke switch bit is when described side direction breach, first travel switch and major axis side depart from, radial cams is rotated further, and when proceeding to minor axis side from major axis side, the second travel switch also can depart from.

Described polishing station installs polishing assembly, described polishing assembly comprises polishing motor 1308, emery wheel 15 and polishing adjusting device 13, the output shaft of described polishing motor 1308 installs emery wheel 15, described emery wheel 15 is positioned at the top of the Workpiece fixing mould 16 of described fixed contact shaping polishing machine, described polishing adjusting device 13 comprises adjustment support and slide block 1306, described adjustment support is fixed on the pedestal of described fixed contact shaping polishing machine, described adjustment support comprises seat 1305 and the support seat of honour 1303 under support, under described support, seat 1305 fixes guide pillar 1304, the mounting bracket seat of honour, upper end 1303 of described guide pillar 1304, described slide block 1306 can slide up and down to be sleeved on described guide pillar 1304, described polishing motor 1308 is fixedly connected with described slide block 1306, described slide block 1306 is connected with the driven unit for driving described slide block to move up and down.

Further, described driven unit comprises adjusting screw(rod) 1302 and adjusting handle 1301, the lower end of described adjusting screw(rod) 1302 is movably connected on described slide block 1306, described adjusting screw(rod) 1302 is through the internal thread hole at the described support seat of honour 1303, and described adjusting handle 1301 is installed in the upper end of described adjusting screw(rod) 1302.Also other type of drive can be adopted.

Further again, described slide block 1306 fixedly mounts cover plate 1307, and the lower end of described adjusting screw(rod) 1302 is provided with step, and described step hangs in described cover plate 1307.Certainly, also other movable connection methods can be adopted.

Described discharge station installs top mechanism, described ejecting mechanism comprises and ejects drive unit 21 and push rod 22, the described output ejecting drive unit 21 is connected with described push rod 22, described push rod 22 is positioned at the below of described notch, described one or two electromagnetically operated valve 26 be described in eject the control switch of driving mechanism 21.

In the present embodiment, described first retractable driving device 9 is the first hydraulic cylinder, and described second retractable driving device 12 is the second hydraulic cylinder, described in eject drive unit 21 be the 3rd hydraulic cylinder, certainly, also can select other telescopic drive modes; Described first retractable driving device 9 and the second retractable driving device 12 are arranged on support 7, and described support 7 is fixed on pedestal 1.Described intermittent drive device 2 adopts motor, certainly, also can adopt other rotary actuation modes.

Described worm and gear assembly comprises worm screw 3 and worm gear 18, and described worm gear 18 is fixedly mounted on worm-wheel shaft 20, and described worm-wheel shaft is installed in rotation on worm-wheel bracket 17, and described worm-wheel bracket 17 is fixed on pedestal 1; Described rotating disk 4 is arranged on the lower end of rotating disk main shaft 6, and main shaft support 15 installed by described rotating disk main shaft 6, and described Workpiece fixing mould 16 installed by the rotating disk main shaft above described main shaft support 15; The notch shape that described Workpiece fixing mould 16 1 encloses is mated with fixed contact 10 to be processed.

The course of work of the present embodiment is:

The first step, first welds silver strip and faces up and insert Workpiece fixing mould 16, Fig. 2 by workpiece 10 (fixed contact).

Second step, intermittent drive device 2 drives worm and gear drive system, and worm-wheel shaft 20 drives axial cam to rotate 19, and axial cam 19 promotes rotating disk 4 and sells mobile.Form because axial cam 19 connects two sections of straight flanges by one section of oblique flange, when worm-wheel shaft 20 uniform rotation, promote each rotating disk pin 5 on rotating disk 4 successively, realize rotating disk 4 turns-stop intermittent movement, drive Workpiece fixing mould 16 turns-stop intermittent movement, conveying workpieces 10 to shaping, polishing and ejection station, and can stop at each station, Fig. 1, Fig. 5, Fig. 6.

3rd step, axial cam 19 is by worm-wheel shaft 20 and radial cams 23 synchronous axial system, radial cams 23 vertically two two parts controls the second travel switch 25 and the first travel switch 24 respectively, see Fig. 5, Fig. 7, first travel switch 24 controls the one or two electromagnetically operated valve 26, and the one or two electromagnetically operated valve 26 controls the second hydraulic cylinder and the 3rd hydraulic cylinder, and the second travel switch 25 controls the two or two electromagnetically operated valve 27, two or two electromagnetically operated valve 27 controls the first hydraulic cylinder, sees Fig. 9.When worm-wheel shaft 20 by Fig. 5 left side depending on rotating counterclockwise, during axial cam 19 straight flange sections contact rotating disk pin 5, rotating disk 4 stops operating, and radial cams 23 is first depressed the second travel switch the 25, the 22 electromagnetically operated valve 27 and is energized, and the first hydraulic cylinder stretches out, workpiece pressing; Worm-wheel shaft 20 is rotated further, and radial cams 23 is depressed the first travel switch the 24, the 1 electromagnetically operated valve 26 again and is energized, and the second hydraulic cylinder stretches out, stamped workpieces shaping, and the 3rd hydraulic cylinder stretches out, and ejects the workpiece completing shaping polishing; Worm-wheel shaft is rotated further, and cam first unclamps travel switch 1, the power-off of two electromagnetically operated valves 1, and the second hydraulic cylinder and the 3rd hydraulic cylinder are retracted, then unclamps the second travel switch 25, first hydraulic cylinder retraction; When worm-wheel shaft 20 is rotated further to Fig. 7 position, during axial cam 19 oblique flange sections contact rotating disk pin 5, rotating disk 4 rotates, and Workpiece fixing mould 16 rotates a step pitch, automatic cycle.

4th step, because buffing wheel 15 causes polishing change in size because of wearing and tearing, needs by regulating the height and position of emery wheel to be compensated.Grinding wheel regulating mechanism 13 comprises seat 1305 under adjusting handle 1301, adjusting screw(rod) 1302, the support seat of honour 1303, guide pillar 1304, support, slide block 1306, cover plate 1307 form, adjusting screw(rod) 1302 is driven to rotate by rotating adjusting handle 1301, screw rod rotates in the internal thread hole at the support seat of honour 1303, realizes moving up and down.The step of screw rod lower end tangles cover plate 1307, and cover plate is connected with screw with slide block 1306, and there is pilot hole slide block both sides, and the guide pillar 1304 connecting upper and lower seat passes from pilot hole, makes slide block 1306 realize mobile with adjusting screw(rod) and can not rotate.1308 polishing motors are fixed on slide block 1306, machine shaft connect buffing wheel 15, thus realize the adjustment of emery wheel position.

Claims (10)

1. a fixed contact automatic polishing trimmer, it is characterized in that: described polishing trimmer comprises pedestal and Workpiece fixing mould, described Workpiece fixing mould is installed in rotation on pedestal, described Workpiece fixing mould with for driving the intermittent drive mechanism of Workpiece fixing mould intermittent movement to be connected, the equally spaced notch arranged for fixed contact to be processed assembling of one circle of described Workpiece fixing mould, described Workpiece fixing mould side arranges feeding station successively according to traffic direction, shaping station, polishing station and discharge station, described shaping station installs reshaping device, described reshaping device comprises and holding down assembly and punch assembly, described holding down assembly comprises the first retractable driving device, horizontal extension axle and compact heap, the output of described first retractable driving device installs described horizontal extension axle, compact heap is installed in the end of described horizontal extension axle, described compact heap is positioned at the outside of described notch, described punch assembly comprises the second retractable driving device, vertically telescopic shaft and pressing block, the output of described second retractable driving device is connected with described vertical telescopic shaft, described pressing block is installed in the lower end of described vertical telescopic shaft, described pressing block is positioned at the top of described notch, and described automatic polishing trimmer also comprises and first compresses punching press again and the automatic shaping controller resetted after punching press completes for controlling to start when described Workpiece fixing mould is in halted state described reshaping device.
2. fixed contact automatic polishing trimmer as claimed in claim 1, it is characterized in that: described automatic shaping controller comprises the first travel switch, one or two electromagnetically operated valve, second travel switch and the two or two electromagnetically operated valve, described first travel switch is connected with the first two-dimensional electromagnetic valve, described one or two electromagnetically operated valve is the control switch of the second retractable driving device, described second stroke is connected with the second two-dimensional electromagnetic valve, described two or two electromagnetically operated valve is the control switch of the first retractable driving device, successively described second travel switch is triggered after described Workpiece fixing mould is in halted state, first travel switch.
3. fixed contact automatic polishing trimmer as claimed in claim 1, it is characterized in that: described intermittent drive mechanism comprises intermittent drive device, worm and gear assembly, axial cam and rotating disk, rotating disk pin arranged at equal intervals by one circle of described rotating disk, the output shaft of described intermittent drive device is connected with the worm screw of described worm and gear assembly, described axial cam is installed in the side of the worm-wheel shaft of described worm and gear assembly, described axial cam comprises oblique flange and straight flange, described oblique flange connects straight flange, it is 360 ° after oblique flange place angle and adjacent straight flange place angle are added, the oblique flange of described axial cam and the straight matched in clearance of flange respectively and between adjacent discs pin, described rotating disk and described Workpiece fixing mould are coaxially arranged.
4. fixed contact automatic polishing trimmer as claimed in claim 2, it is characterized in that: described intermittent drive mechanism comprises intermittent drive device, worm and gear assembly, axial cam and rotating disk, rotating disk pin arranged at equal intervals by one circle of described rotating disk, the output shaft of described intermittent drive device is connected with the worm screw of described worm and gear assembly, described axial cam is installed in the side of the worm-wheel shaft of described worm and gear assembly, described axial cam connects two sections of straight flanges by one section of oblique flange and forms, the oblique flange of described axial cam and the straight matched in clearance of flange respectively and between adjacent discs pin, described rotating disk and described Workpiece fixing mould are coaxially arranged.
5. fixed contact automatic polishing trimmer as claimed in claim 4, it is characterized in that: the opposite side of described worm-wheel shaft installs radial cams, the longitudinal end of described radial cams is provided with side direction breach, described second travel switch, the first travel switch coordinate respectively at described radial cams, and described first stroke Switch Controller answers the top of described side direction breach.
6. the fixed contact automatic polishing trimmer as described in one of Claims 1 to 5, it is characterized in that: described polishing station installs polishing assembly, described polishing assembly comprises polishing motor, emery wheel and polishing adjusting device, the output shaft of described polishing motor installs emery wheel, described emery wheel is positioned at the top of the Workpiece fixing mould of described fixed contact shaping polishing machine, described polishing adjusting device comprises adjustment support and slide block, described adjustment support is fixed on the pedestal of described fixed contact shaping polishing machine, described adjustment support comprises seat and the support seat of honour under support, under described support, seat fixes guide pillar, the mounting bracket seat of honour, upper end of described guide pillar, described slide block can slide up and down to be sleeved on described guide pillar, described polishing motor is fixedly connected with described slide block, described slide block is connected with the driven unit for driving described slide block to move up and down.
7. fixed contact automatic polishing trimmer as claimed in claim 6, it is characterized in that: described driven unit comprises adjusting screw(rod) and adjusting handle, the lower end of described adjusting screw(rod) is movably connected on described slide block, described adjusting screw(rod) passes the added internal thread hole of described bearing, and described adjusting handle is installed in the upper end of described adjusting screw(rod).
8. fixed contact automatic polishing trimmer as claimed in claim 6, it is characterized in that: described slide block fixedly mounts cover plate, the lower end of described adjusting screw(rod) is provided with step, and described step hangs in described cover plate.
9. the fixed contact automatic polishing trimmer as described in claim 1 or 3, it is characterized in that: described discharge station installs top mechanism, described ejecting mechanism comprises and ejects drive unit and push rod, the described output ejecting drive unit is connected with described push rod, and described push rod is positioned at the below of described notch.
10. the fixed contact automatic polishing trimmer as described in claim 2,4 or 5, it is characterized in that: described discharge station installs top mechanism, described ejecting mechanism comprises and ejects drive unit and push rod, the described output ejecting drive unit is connected with described push rod, described push rod is positioned at the below of described notch, described one or two electromagnetically operated valve be described in eject the control switch of driving mechanism.
CN201510442436.0A 2015-07-24 2015-07-24 Automatic polishing trimmer for static contacts CN105006392A (en)

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CN110919378A (en) * 2019-12-04 2020-03-27 嘉兴求精机械有限公司 Panel beating all-in-one of polishing of buckling

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CN110919378A (en) * 2019-12-04 2020-03-27 嘉兴求精机械有限公司 Panel beating all-in-one of polishing of buckling

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