CN106670911B - A kind of spring double-sided grinding machine of automatic charging - Google Patents

A kind of spring double-sided grinding machine of automatic charging Download PDF

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Publication number
CN106670911B
CN106670911B CN201710011187.9A CN201710011187A CN106670911B CN 106670911 B CN106670911 B CN 106670911B CN 201710011187 A CN201710011187 A CN 201710011187A CN 106670911 B CN106670911 B CN 106670911B
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China
Prior art keywords
spring
automatic charging
feeding
slide
frame
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CN201710011187.9A
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CN106670911A (en
Inventor
寿新涛
金雷
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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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
    • B24B7/00Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10Single-purpose machines or devices
    • B24B7/16Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
    • B24B7/17Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings for simultaneously grinding opposite and parallel end faces, e.g. double disc grinders
    • 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
    • B24B27/00Other grinding machines or devices
    • B24B27/0023Other grinding machines or devices grinding machines with a plurality of working posts
    • 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
    • B24B27/00Other grinding machines or devices
    • B24B27/0069Other grinding machines or devices with means for feeding the work-pieces to the grinding tool, e.g. turntables, transfer means
    • 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
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/005Feeding or manipulating devices specially adapted to grinding machines
    • 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
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • 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
    • B24B7/00Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10Single-purpose machines or devices
    • B24B7/16Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
    • B24B7/167Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings end faces coil springs

Abstract

The invention discloses a kind of spring double-sided grinding machines of automatic charging, including rack, rotary loading seat, upper surface workpiece polishing mechanism, lower end surface workpiece polishing mechanism and automatic charging device, the rack is equipped with fixed underpan, the periphery of the fixed underpan is equipped with gear frame, the rotary loading seat is equipped with turntable, several caulking grooves are offered on the turntable, automatic charging device is successively arranged in circumferential on the outside of the rotary loading seat, upper surface workpiece polishing mechanism, lower end surface workpiece polishing mechanism and lower material frame, the automatic charging device is equipped with feeding slide, spring chute is equipped in the feeding slide, the upper surface workpiece polishing mechanism is equipped with the first grinding wheel, the lower end surface workpiece polishing mechanism is equipped with the second grinding wheel, feeding position is delivered to using cylinder driving slide, spring is pushed in rotary loading seat by cylinder, realize oneself of vertical spring Dynamic feeding, two polishing grinding wheels successively polish to the upper and lower end face of spring, can be improved production efficiency.

Description

A kind of spring double-sided grinding machine of automatic charging
[technical field]
The present invention relates to the technical field of automatic assembling, the technology of the spring double-sided grinding machine of especially a kind of automatic charging Field.
[background technique]
At present, when spring dispatches from the factory, because the not clean or spring bending cutter of production spring steel wire surface itself is not Finishing can make the end face of spring generate burr, and burr had both affected the precision of spring beauty and installation, while installing in transport Cheng Zhonghui damages the hand of operator, it is therefore desirable to polish the end face of spring, present spring polishing is single-ended Face is polished after blanking, another end face of reversely polishing, and feeding is the manual feeding of single spring, and low efficiency influences benefit, beats simultaneously Grinding two end faces can be improved production efficiency, this just needs to carry out spring standing feeding, and traditional artificial feeding operation can make Worker increases work load, therefore proposes a kind of spring double-sided grinding machine of automatic charging.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, a kind of two-sided mill dress of the spring of automatic charging is proposed It sets, falls into vertical spring in slide using collating unit, drive slide to be delivered to feeding position by cylinder, gas can be passed through Spring is pushed in rotary loading seat by cylinder, realizes the automatic charging of vertical spring, using rotary loading seat recycle feeding, two Polishing grinding wheel successively polish to the upper and lower end face of spring and automatic blanking, can reduce the work load of worker, improves life Produce efficiency.
To achieve the above object, the invention proposes a kind of spring double-sided grinding machines of automatic charging, including rack, rotation Feeding seat, upper surface workpiece polishing mechanism, lower end surface workpiece polishing mechanism and automatic charging device, the rack are equipped with fixed underpan, institute The periphery for stating fixed underpan is equipped with gear frame, offers installation cavity, the lower section of the fixed underpan at the center of the fixed underpan Equipped with headstock, the drive shaft of the headstock is matched through installation cavity with rotary loading seat, is set on the rotary loading seat Have turntable, offer several caulking grooves on the turntable, the caulking groove runs through turntable, on the outside of the rotary loading seat in it is circumferential according to It is secondary to be equipped with automatic charging device, upper surface workpiece polishing mechanism, lower end surface workpiece polishing mechanism and lower material frame, it is set on the automatic charging device There is feeding slide, spring chute is equipped in the feeding slide, the gear frame is equipped with the first gap segments and the second gap segments, institute It states spring chute to match with the second gap segments, the upper surface workpiece polishing mechanism is equipped with the first grinding wheel, first grinding wheel position In the top of turntable, the lower end surface workpiece polishing mechanism is equipped with the second grinding wheel, and second grinding wheel is located at the lower section of turntable, described Mounting groove is offered on fixed underpan, the mounting groove and the second grinding wheel cooperate, and are equipped with additional lock in first gap segments Plate, the auxiliary clamping plate are matched with the second grinding wheel.
Preferably, the automatic charging device further includes collating unit, slide push cylinder, spring push cylinder and limit Determine frame, the collating unit is equipped with feeding channel, and the two sides in the feeding channel are equipped with conveying device, the conveying device Equipped with conveyer belt, the outer wall of the conveyer belt and spring cooperates, and offers charging conduit, the charging conduit in the feeding channel It being matched with feeding slide, the lower section of the feeding slide is equipped with guide rail, and the feeding slide is matched with slide push cylinder, The feeding slide is equipped with baffle, and the baffle and charging conduit cooperate, and the lower section of the charging conduit, which is equipped with, limits frame, the limit The two sides for determining frame are equipped with mounting plate, set between the mounting plate there are two partition, offer feeding through slot on the partition, described Feeding through slot is matched with spring push cylinder.
Preferably, being equipped with weight sensor in feeding slide, the width of the spring chute is equal to the width of spring, institute The height for stating spring chute is less than the length of spring, and the side of the feeding slide is equipped with support plate, installs in the support plate There is baffle, the upper surface of the baffle and the lower end surface of charging conduit cooperate, and the length of the baffle is greater than the stroke of feeding slide.
Preferably, the conveying device further includes belt wheel and driving mechanism, the driving mechanism driving pulley rotation, institute State that band wheel drive conveyer belt is mobile, the distance between the two sides conveyer belt in the feeding channel be slightly less than or equal to spring outer diameter Length.
Preferably, the upper surface of the partition is concordant with the upper surface of baffle, the lower end surface of the partition is higher than feeding The upper surface of slide, the feeding slide driving spring are moved along the channel that partition forms.
Preferably, the telescopic rod of the spring push cylinder is equipped with pushing block, the pushing block is equipped with arc drive surface, The slide push cylinder, spring push cylinder are connected with control unit.
Preferably, the caulking groove is matched with spring, the height of the caulking groove is less than the length of spring, the caulking groove packet Lead-in groove and locating slot are included, the cross-sectional shape of the lead-in groove is rectangle, and the cross-sectional shape of the locating slot is semicircle, Diameter of a circle is equal to the diameter of spring where the positioning slot cross-section.
Preferably, the auxiliary clamping plate is located at the top of the second grinding wheel, the auxiliary clamping plate is connected with connecting plate, institute The two sides for stating connecting plate are fixed in the first gap segments, and the cross sectional shape of the connecting plate is arc, the inner wall of the connecting plate Complete circle is formed with the inner wall of gear frame, the lower end surface of the connecting plate is higher than the lower end surface of gear frame, the upper end of the auxiliary clamping plate Face is concordant with the holding of the lower end surface of the first grinding wheel.
Preferably, the upper surface of second grinding wheel and the upper surface flush of fixed underpan, on the fixed underpan Blanking groove is offered, the blanking groove and lower material frame cooperate, and the lower material frame is obliquely mounted on the lower section of fixed underpan, institute The width for stating blanking groove is greater than the width of caulking groove and is less than the width of lower material frame.
Beneficial effects of the present invention: the present invention passes through rack, rotary loading seat, upper surface workpiece polishing mechanism, lower end surface polishing The cooperation of mechanism and automatic charging device etc., falls into vertical spring in slide using collating unit, drives slide by cylinder It is delivered to feeding position, spring can be pushed on rotary loading seat by cylinder and recycle feeding, two polishing grinding wheels are successively The upper and lower end face of spring polish and automatic blanking, the automatic charging polishing of vertical spring is realized, can reduce worker's Work load improves production efficiency.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of schematic top plan view of the spring double-sided grinding machine of automatic charging of the present invention;
Fig. 2 is a kind of left view schematic diagram of the spring double-sided grinding machine of automatic charging of the present invention;
Fig. 3 is a kind of plan structure signal of automatic charging device of the spring double-sided grinding machine of automatic charging of the present invention Figure;
Fig. 4 is a kind of schematic top plan view of the rack of the spring double-sided grinding machine of automatic charging of the present invention;
Fig. 5 is a kind of schematic front view of the feeding slide of the spring double-sided grinding machine of automatic charging of the present invention.
[specific embodiment]
Refering to fig. 1 to Fig. 5, a kind of spring double-sided grinding machine of automatic charging of the present invention, including rack 1, rotary loading seat 2, upper surface workpiece polishing mechanism 3, lower end surface workpiece polishing mechanism 4 and automatic charging device 5, the rack 1 are equipped with fixed underpan 11, institute The periphery for stating fixed underpan 11 is equipped with gear frame 12, offers installation cavity 114, the fixed bottom at the center of the fixed underpan 11 The lower section of disk 11 is equipped with headstock 13, and the drive shaft of the headstock 13 is matched through installation cavity 114 with rotary loading seat 2, The rotary loading seat 2 is equipped with turntable 21, several caulking grooves 22 are offered on the turntable 21, and the caulking groove 22 runs through turntable 21, automatic charging device 5, upper surface workpiece polishing mechanism 3, lower end surface polishing are successively arranged in circumferential on the outside of the rotary loading seat 2 Mechanism 4 and lower material frame 113, the automatic charging device 5 are equipped with feeding slide 54, slip in the feeding slide 54 equipped with spring Slot 542, the gear frame 12 are equipped with the first gap segments 121 and the second gap segments 122, the spring chute 542 and the second notch Section 122 matches, and the upper surface workpiece polishing mechanism 3 is equipped with the first grinding wheel 31, and first grinding wheel 31 is located at the upper of turntable 21 Side, the lower end surface workpiece polishing mechanism 4 are equipped with the second grinding wheel 41, and second grinding wheel 41 is located at the lower section of turntable 21, described solid Determine to offer mounting groove 111 on chassis 11, the mounting groove 111 and the second grinding wheel 41 cooperate, and pacify in first gap segments 121 Equipped with auxiliary clamping plate 124, the auxiliary clamping plate 124 is matched with the second grinding wheel 41.
The automatic charging device 5 further includes collating unit 51, slide push cylinder 52, spring push cylinder 53 and limits Frame 55, the collating unit 51 are equipped with feeding channel 511, and the two sides in the feeding channel 511 are equipped with conveying device 512, The conveying device 512 is equipped with conveyer belt 5121, and the outer wall of the conveyer belt 5121 and spring cooperates, the feeding channel Charging conduit 5111 is offered in 511, the charging conduit 5111 is matched with feeding slide 54, and the lower section of the feeding slide 54 is set There is guide rail 541, the feeding slide 54 is matched with slide push cylinder 52, and the feeding slide 54 is equipped with baffle 544, institute It states baffle 544 and charging conduit 5111 cooperates, the lower section of the charging conduit 5111, which is equipped with, limits frame 55, the two sides for limiting frame 55 It equipped with mounting plate 551, is set between the mounting plate 551 there are two partition 552, offers feeding through slot on the partition 552 5521, the feeding through slot 5521 is matched with spring push cylinder 53.Weight sensor, the bullet are equipped in feeding slide 54 The width of spring chute 542 is equal to the width of spring, and the height of the spring chute 542 is less than the length of spring, and the feeding is sliding The side of seat 54 is equipped with support plate 543, is equipped with baffle 544 in the support plate 543, the upper surface of the baffle 544 with fall The lower end surface of hopper 5111 cooperates, and the length of the baffle 544 is greater than the stroke of feeding slide 54.The conveying device 512 is also Including belt wheel 5122 and driving mechanism 5123,5123 driving pulley 5122 of the driving mechanism rotation, the belt wheel 5122 is driven Conveyer belt 5121 is mobile, and the distance between the two sides conveyer belt 5121 in the feeding channel 511 is slightly less than or outer equal to spring Electrical path length.The upper surface of the partition 552 is concordant with the upper surface of baffle 544, and the lower end surface of the partition 552 is sliding higher than feeding The upper surface of seat 54,54 driving spring of feeding slide are moved along the channel that partition 552 forms.The spring push cylinder 53 telescopic rod is equipped with pushing block 531, and the pushing block 531 is equipped with arc drive surface, and the slide push cylinder 52, spring push away Cylinder 53 of supplying gas is connected with control unit.The caulking groove 22 is matched with spring, and the height of the caulking groove 22 is less than the length of spring, The caulking groove 22 includes lead-in groove 221 and locating slot 222, and the cross-sectional shape of the lead-in groove 221 is rectangle, the locating slot 222 cross-sectional shape is semicircle, and diameter of a circle is equal to the diameter of spring where 222 section of locating slot.The auxiliary Clamping plate 124 is located at the top of the second grinding wheel 41, and the auxiliary clamping plate 124 is connected with connecting plate 123, the connecting plate 123 Two sides are fixed in the first gap segments 121, and the cross sectional shape of the connecting plate 123 is arc, the inner wall of the connecting plate 123 with The inner wall for keeping off frame 12 forms complete circle, and the lower end surface of the connecting plate 123 is higher than the lower end surface of gear frame 12, the auxiliary clamping plate 124 upper surface is concordant with the holding of the lower end surface of the first grinding wheel 31.The upper surface of second grinding wheel 41 and fixed underpan 11 Upper surface flush offers blanking groove 112 on the fixed underpan 11, and the blanking groove 112 cooperates with lower material frame 113, institute The lower section that lower material frame 113 is obliquely mounted on fixed underpan 11 is stated, the width of the blanking groove 112 is greater than the width of caulking groove 22 And it is less than the width of lower material frame 113.
The course of work of the present invention:
During the work time, the spring of setting is sequentially placed into for a kind of spring double-sided grinding machine of automatic charging of the present invention In feeding channel 511, belt wheel 5122 drives conveyer belt 5121 mobile, and transmission belt 5121 successively transmits spring to the left, spring warp It crosses charging conduit 5111 to fall in the spring chute 542 for entering feeding slide 54, the part that spring is higher than spring chute 542 is embedded in Between two partitions 552, it can be avoided when spring is fallen and shift, accurate positioning, weight sensor receives signal biography Control unit is passed, control unit controls slide push cylinder 52 and acts, and baffle 544 always can be by charging conduit during this 5111 are blocked, and extra spring is avoided to fall, and slide 54 is moving forward to spring push cylinder 3 just along guide rail 41 Front, then control unit driving spring push cylinder 53 acts, and pushing block 531 slips spring from spring through feeding through slot 521 Push out in slot 542 and enter in caulking groove 22, upper surface workpiece polishing mechanism 3, lower end surface workpiece polishing mechanism 4 are to the bullet on different station When spring is polished, rotary loading seat 2 stops operating as static state, and spring chute 542 is communicated with caulking groove 23 at this time, and spring is from spring Push out in chute 542 and enter in caulking groove 22, spring push cylinder 3 first resets after feeding, and then slide push cylinder 2 is multiple Slide 4 is withdrawn into the underface of charging conduit 111 by position, can carry out feeding work next time, and there is lead-in groove 221 guiding to make With convenient for spring to be put into, auxiliary clamping plate 124 has positioning action to spring, carries out convenient for lower end surface workpiece polishing mechanism 4 to spring Polishing, control system control headstock 13 acts after the completion of polishing, one station of rotation of rotary loading seat 2, on all stations Spring shifts to next station with rotary loading seat 2, and the spring on blanking groove 112, which can descend in material frame 113, to be discharged, and successively follows Ring polishing, two polishing grinding wheels successively polish to the upper and lower end face of spring and automatic blanking, can reduce the work of worker Burden improves production efficiency.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention Scheme all belong to the scope of protection of the present invention.

Claims (8)

1. a kind of spring double-sided grinding machine of automatic charging, it is characterised in that: including rack (1), rotary loading seat (2), upper end Face workpiece polishing mechanism (3), lower end surface workpiece polishing mechanism (4) and automatic charging device (5), the rack (1) are equipped with fixed underpan (11), the periphery of the fixed underpan (11) is equipped with gear frame (12), offers installation cavity at the center of the fixed underpan (11) (114), the lower section of the fixed underpan (11) is equipped with headstock (13), and the drive shaft of the headstock (13) runs through installation cavity (114) it is matched with rotary loading seat (2), the rotary loading seat (2) is equipped with turntable (21), opens up on the turntable (21) There are several caulking grooves (22), the caulking groove (22) runs through turntable (21), is successively arranged on the outside of the rotary loading seat (2) in circumferential Automatic charging device (5), upper surface workpiece polishing mechanism (3), lower end surface workpiece polishing mechanism (4) and lower material frame (113), the automatic charging Device (5) is equipped with feeding slide (54), is equipped with spring chute (542) in the feeding slide (54), on the gear frame (12) Equipped with the first gap segments (121) and the second gap segments (122), the spring chute (542) and the second gap segments (122) match It closes, the upper surface workpiece polishing mechanism (3) is equipped with the first grinding wheel (31), and first grinding wheel (31) is located at the upper of turntable (21) Side, the lower end surface workpiece polishing mechanism (4) are equipped with the second grinding wheel (41), and second grinding wheel (41) is located under turntable (21) It is square, it is offered mounting groove (111) on the fixed underpan (11), the mounting groove (111) and the second grinding wheel (41) cooperate, described Auxiliary clamping plate (124) is installed, the auxiliary clamping plate (124) matches with the second grinding wheel (41), institute in the first gap segments (121) Automatic charging device (5) is stated to further include collating unit (51), slide push cylinder (52), spring push cylinder (53) and limit frame (55), the collating unit (51) is equipped with feeding channel (511), and the two sides of the feeding channel (511) are equipped with conveying dress It sets (512), the conveying device (512) is equipped with conveyer belt (5121), and the outer wall of the conveyer belt (5121) and spring cooperates, It is offered charging conduit (5111) in the feeding channel (511), the charging conduit (5111) matches with feeding slide (54), institute The lower section for stating feeding slide (54) is equipped with guide rail (541), and the feeding slide (54) matches with slide push cylinder (52), institute Feeding slide (54) are stated equipped with baffle (544), the baffle (544) and charging conduit (5111) cooperate, the charging conduit (5111) lower section, which is equipped with, limits frame (55), and the two sides for limiting frame (55) are equipped with mounting plate (551), the mounting plate (551) it there are two being set between partition (552), is offered feeding through slot (5521) on the partition (552), the feeding through slot (5521) it is matched with spring push cylinder (53).
2. a kind of spring double-sided grinding machine of automatic charging as described in claim 1, it is characterised in that: in feeding slide (54) Equipped with weight sensor, the width of the spring chute (542) is equal to the width of spring, the height of the spring chute (542) Less than the length of spring, the side of the feeding slide (54) is equipped with support plate (543), is equipped on the support plate (543) Baffle (544), the upper surface of the baffle (544) and the lower end surface of charging conduit (5111) cooperate, the length of the baffle (544) Greater than the stroke of feeding slide (54).
3. a kind of spring double-sided grinding machine of automatic charging as described in claim 1, it is characterised in that: the conveying device It (512) further include belt wheel (5122) and driving mechanism (5123), driving mechanism (5123) driving pulley (5122) rotation, institute State that belt wheel (5122) driving conveyer belt (5121) is mobile, between the two sides conveyer belt (5121) of the feeding channel (511) away from From be slightly less than or equal to spring outer diameter length.
4. a kind of spring double-sided grinding machine of automatic charging as described in claim 1, it is characterised in that: the partition (552) Upper surface it is concordant with the upper surface of baffle (544), the lower end surface of the partition (552) is higher than the upper end of feeding slide (54) Face, feeding slide (54) driving spring are mobile along the channel that partition (552) forms.
5. a kind of spring double-sided grinding machine of automatic charging as described in claim 1, it is characterised in that: the spring pushes gas The telescopic rod of cylinder (53) is equipped with pushing block (531), and the pushing block (531) is equipped with arc drive surface, the slide push cylinder (52), spring push cylinder (53) is connected with control unit.
6. a kind of spring double-sided grinding machine of automatic charging as described in claim 1, it is characterised in that: the caulking groove (22) with Spring matches, and the height of the caulking groove (22) is less than the length of spring, and the caulking groove (22) includes lead-in groove (221) and positioning Slot (222), the cross-sectional shape of the lead-in groove (221) are rectangle, and the cross-sectional shape of the locating slot (222) is semicircle Shape, diameter of a circle is equal to the diameter of spring where locating slot (222) section.
7. a kind of spring double-sided grinding machine of automatic charging as described in claim 1, it is characterised in that: the auxiliary clamping plate (124) it is located at the top of the second grinding wheel (41), the auxiliary clamping plate (124) is connected with connecting plate (123), the connecting plate (123) two sides are fixed on the first gap segments (121), and the cross sectional shape of the connecting plate (123) is arc, the connecting plate (123) inner wall of inner wall and gear frame (12) forms complete circle, and the lower end surface of the connecting plate (123) is higher than under gear frame (12) The upper surface of end face, auxiliary clamping plate (124) is concordant with the holding of the lower end surface of the first grinding wheel (31).
8. a kind of spring double-sided grinding machine of automatic charging as described in claim 1, it is characterised in that: second grinding wheel (41) the upper surface flush of upper surface and fixed underpan (11) offers blanking groove (112) on the fixed underpan (11), The blanking groove (112) and lower material frame (113) cooperate, and the lower material frame (113) is obliquely mounted on fixed underpan (11) Lower section, the width that the width of the blanking groove (112) is greater than caulking groove (22) and the width for being less than lower material frame (113).
CN201710011187.9A 2017-01-06 2017-01-06 A kind of spring double-sided grinding machine of automatic charging Active CN106670911B (en)

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