CN107009234B - High-temperature alloy casting cast gate grinding apparatus - Google Patents

High-temperature alloy casting cast gate grinding apparatus Download PDF

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Publication number
CN107009234B
CN107009234B CN201710237016.8A CN201710237016A CN107009234B CN 107009234 B CN107009234 B CN 107009234B CN 201710237016 A CN201710237016 A CN 201710237016A CN 107009234 B CN107009234 B CN 107009234B
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CN
China
Prior art keywords
shaft
rubber
rack
casting
conveyer belt
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.)
Active
Application number
CN201710237016.8A
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Chinese (zh)
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CN107009234A (en
Inventor
王文革
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.)
Jiangmen Xinhui Weixing Hardware Products Co., Ltd.
Original Assignee
Chongqing City Yongchuan District Yirui Machinery 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.)
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Publication date
Application filed by Chongqing City Yongchuan District Yirui Machinery Co Ltd filed Critical Chongqing City Yongchuan District Yirui Machinery Co Ltd
Priority to CN201710237016.8A priority Critical patent/CN107009234B/en
Publication of CN107009234A publication Critical patent/CN107009234A/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
    • B24B21/00Machines or devices using grinding or polishing belts; Accessories therefor
    • 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
    • B24B21/00Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/18Accessories
    • 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
    • B24B41/02Frames; Beds; Carriages
    • 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

Abstract

The invention discloses a kind of high-temperature alloy casting cast gate grinding apparatus, including rack, the first rubber, the second rubber and fixture, the first workpiece polishing mechanism and the second workpiece polishing mechanism are equipped in rack, first rubber is tensioned between first rotating shaft and the second shaft, and the second rubber is tensioned between third shaft and the 4th shaft;It is provided with push rod between second rubber and conveyer belt, the one end of push rod far from the first rubber is connected with push plate, push plate mutually has the first air bag, rack is equipped with the first groove and the second groove, third shaft is rotatably connected in the first groove, 4th shaft is rotatably connected in the second groove, the upside of third shaft and the 4th shaft homogeneously has pushing block, the downside of third shaft and the 4th shaft homogeneously has lower pushing block, the second air bag is connected between upper pushing block and rack, it is lower that the first elastic component, the first air bag and the connection of the second air bag are connected between pushing block and rack;Compared with prior art, grinding efficiency is high for this patent, and grinding quality is more preferable.

Description

High-temperature alloy casting cast gate grinding apparatus
Technical field
The present invention relates to casting manufacturing field more particularly to a kind of high-temperature alloy casting cast gate grinding apparatus.
Background technology
Casting unavoidably generates extra cast gate after cast molding, is all by vehicle in the past for these cast gates Bed, which gets on the bus to prune, to be removed, but for some high-temperature alloy castings, viscosity is high, is easily sticked on knife, cutting ability is very poor so that The service life of cutter is very short, and this adds increased the costs of production;In addition, the viscosity due to alloy-steel casting is high, cutter cutting when It waits due to adhesion, it is also difficult to form bright and clean section.
For this purpose, application No. is the patent documents of CN201210147856.2 to disclose a kind of high-temperature alloy casting cast gate grinding Device includes the fixture for clamping casting, is slidably connected at below fixture on the first pedestal, and one end of fixture is against sand Skin, rubber are connected in shaft, and shaft is driven by driving mechanism and rotated, and the first cylinder is fixed on one end of the first pedestal, the One cylinder pushes fixture to be moved to rubber;Fixture includes a receiving portion, and one end of receiving portion is arranged there are one the second cylinder, the The piston rod of two cylinders stretches into receiving portion, and fixed on the piston rod of the second cylinder there are one baffles, and fixture further includes a bottom Plate, the bottom of receiving portion are fixed there are one swivel nut, are provided with screw rod on bottom plate, screw rod is rotatably connected with swivel nut, bottom plate Bottom setting there are two the first convex block, the first guide rod is provided on the first pedestal, the first guide rod passes through the first convex block, the first base The first guide rod is provided on seat, the first guide rod passes through the first convex block, further includes second pedestal, the first pedestal is slidably connected at On second pedestal, third cylinder is provided on the second pedestal, third cylinder pushes the first pedestal along the transverse shifting of rubber.It uses When, casting is fixed in fixture, pushes fixture to be moved to rubber using the first cylinder, and casting pushes rubber on fixture, starts Driving device, driving device drive shaft rotation, shaft to drive rubber rotation, the piston rod on the first cylinder to stretch out, push folder Tool is moved along the first guide rod to rubber positive direction so that the casting sprue on fixture contacts rubber, while third cylinder opens It is dynamic, push the first pedestal to be moved along the transverse reciprocating of rubber;After the distance that the piston rod of first cylinder stretches out reaches setting value, The cast gate grinding of casting is completed, and the piston rod on the first cylinder is withdrawn, and is simultaneously stopped the running of third cylinder, then the second cylinder On piston rod withdraw, casting can take out out of receiving portion.
Although said program removes extra cast gate using rubber instead of cutter, cost is reduced, also improves casting The finish of discharge surface is poured, but there is problems:1, this scheme is clamped casting using fixture, and cast gate is passed through and is accommodated Portion, but receiving portion be have it is certain thickness, after rubber is ground the cast gate of casting, because of the wall thickness of receiving portion, So that the cast gate on casting can not possibly completely be ground away, cause to be ground incomplete problem;2, this scheme to cast gate into It is then the receiving portion that is placed on of one casting of a casting is ground, efficiency is very low when row grinding.
Invention content
The invention is intended to provide a kind of grinding efficiency height, the better high-temperature alloy casting cast gate grinding apparatus of grinding quality.
High-temperature alloy casting cast gate grinding apparatus in this programme, including rack, the first rubber and the second rubber, the machine Conveyer belt is installed on frame, several fixtures are installed on the conveyer belt, are equipped in the rack above the conveyer belt First workpiece polishing mechanism and the second workpiece polishing mechanism, first workpiece polishing mechanism include first rotating shaft and the second shaft, described first turn Axis and the second shaft are rotatably connected in rack, and first rubber is tensioned between first rotating shaft and the second shaft, described Second workpiece polishing mechanism includes third shaft and the 4th shaft, and second rubber is tensioned between third shaft and the 4th shaft, The distance between first rubber and conveyer belt are more than the distance between the second rubber and conveyer belt;Second rubber with it is defeated It send and is provided with push rod between, the push rod is slidably connected in rack, and the one end of the push rod far from the first rubber, which is fixed, to be connected It is connected to push plate, the push plate mutually has the first air bag, and first air bag is fixedly connected in rack, and the rack is equipped with the One groove and the second groove, the third shaft and the first groove coordinate, and the 4th shaft coordinates with the second groove, and described the The upside of three shafts and the 4th shaft homogeneously has a pushing block, and the downside of the third shaft and the 4th shaft, which homogeneously has down, to push away Block is connected with the second air bag, the first elastic component, institute is connected between the lower pushing block and rack between the upper pushing block and rack State the first air bag and the connection of the second air bag.
The technical principle of this programme:Rack is for connecting and supporting each mechanism, the first rubber and the second rubber to be used to It polishes the cast gate of casting, used for conveyer belt in conveying casting, fixture is for being clamped casting, in grinding, casting It will not shake;Before use, the first workpiece polishing mechanism and the second workpiece polishing mechanism run at high speed, casting is placed into fixture on the conveyor belt On, upward, casting transports the cast gate of casting together with conveyer belt, and when casting is transported to below the first rubber, casting pours Mouth offsets with the first rubber, and the rotation of the first rubber is just ground the cast gate of casting, during grinding, because of conveyer belt It is being driven always, to casting, there are one the thrusts pushed to the second workpiece polishing mechanism direction always, so casting can be in the first rubber First time grinding is carried out to the cast gate of casting, casting continues to be driven together with conveyer belt, when casting is transported to the second sander When below structure, the cast gate that the second rubber has not first been ground casting through the first rubber continues to be ground, and is ground with the first rubber Cut that casting sprue principle is the same, the second rubber is ground the cast gate of casting, and the cast gate of casting also has part burr at this time, mill Cut unclean, casting enters the bottom of the second rubber, offsets and is ground with the bottom of the second rubber, in casting in the second sand During subcutaneous direction the first air bag direction movement, casting will offset with push rod, in casting motion process, push push rod to First air pocket motion compresses the first air bag, after the first air bag is compressed, the first air bag using the push plate being fixedly connected with push rod Gas enters the second air bag, and the second air bag swells, and the second air bag will push pushing block to move downward after swelling, and then will pressure Contracting elastic component so that third shaft and the 4th shaft move downward, so so that the second rubber moves downward, the second rubber with Casting carries out abutting grinding, and until the cast gate of casting is polished completely, casting enters the end of conveyer belt, is detached from conveyer belt. After grinding finishes, under the reset force of elastic component, third shaft and the 4th shaft move upwards, and the gas in the second air bag returns The first air bag is returned, push rod resets, and prepares the arrival of next casting.
The advantageous effect of this programme compared with prior art:1, this programme conveys casting using conveyer belt, and casting is conveying During polished casting using the first workpiece polishing mechanism and the second workpiece polishing mechanism, conveying of the entire grinding process in casting It completes in the process, and the multiple casting of clamping of grip separation can be utilized simultaneously on the conveyor belt, multiple casting are pressed from both sides Tightly, it realizes and the pipeline system of casting is ground, it is more efficient to the integral grinding of casting;2, this programme utilizes the first workpiece polishing mechanism First time grinding first is carried out to casting sprue, recycles the second workpiece polishing mechanism to carry out second to the cast gate of casting and is ground, finally It pushes the second workpiece polishing mechanism to move down using by the second air bag, the cast gate of casting is polished completely, the quality for being ground out More preferably.
Further, the fixture includes the first transverse slat and the second transverse slat, and first transverse slat and the second transverse slat are hinged on On conveyer belt, first transverse slat and the second transverse slat are connected with the second elastic component between the side and conveyer belt of conveyer belt, The side of first transverse slat and the second transverse slat far from conveyer belt is fixedly connected with riser, and the opposite side of the riser is fixedly connected There is clamping plate.In use, directly casting is placed on the transverse slat of conveyer belt, casting on transverse slat, compresses second by gravity pressure Elastic component, transverse slat are moved to close to conveyer belt, and riser will move toward one another, and be clamped casting using clamping plate.
Further, lever is slidably connected between the riser.Casting is placed on the first transverse slat and the second transverse slat, is utilized Clamping plate is clamped casting, when casting offsets as conveyer belt operates together with the first workpiece polishing mechanism and the second workpiece polishing mechanism When, lever can prevent because clamping plate causes casting to be separated from fixture casting clamping built on the sand.
Further, actuating unit is installed in the first rotating shaft, the first belt is installed in second shaft It takes turns, the second belt pulley is installed in the third shaft, being tensioned between first belt pulley and the second belt pulley has skin Band.Actuating unit drives first rotating shaft rotation, first rotating shaft to drive the second shaft to rotate by the first rubber, the rotation of the second shaft When the first belt pulley rotate, the first belt pulley again can by belt drive third shaft rotation so that the second rubber It is rotated with the 4th shaft;An actuating unit, which can so be only used, can drive the first workpiece polishing mechanism and the second workpiece polishing mechanism Rotation saves equipment usage quantity, can reduce the cost of whole device.
Further, the lower end of the upper pushing block and the upper end of lower pushing block are arc-shaped.Because of third shaft and the 4th turn Axis be cylinder, by the end set of upper pushing block and lower pushing block be it is arc-shaped, can be with third shaft and the 4th abundant phase of shaft It supports, the operating of third shaft and the 4th shaft is more steady.
Further, first elastic component is the first compression spring, and second elastic component is the second compression spring.Compression spring elasticity is good, It is at low cost, the cost of equipment can be reduced.
Description of the drawings
Fig. 1 is the structural schematic diagram of high-temperature alloy casting cast gate grinding apparatus embodiment of the present invention.
Fig. 2 is the schematic diagram of fixture in Fig. 1.
Fig. 3 is upper pushing block in Fig. 1 and the schematic diagram at lower pushing block.
Specific implementation mode
Below by specific implementation mode, the present invention is described in further detail:
Reference numeral in Figure of description includes:Rack 1, the first rubber 2, the second rubber 3, conveyer belt 4, the first transverse slat 5, the second transverse slat 6, the second compression spring 7, riser 8, bar 9, clamping plate 10, first rotating shaft 11, the second shaft 12, third shaft 13, Four shafts 14, belt 15, push rod 16, push plate 17, the first air bag 18, upper pushing block 19, lower pushing block 20, the second air bag 21, first pressure Spring 22, casting 23.
Shown in the basic reference chart 1 of embodiment, Fig. 2 and Fig. 3:High-temperature alloy casting cast gate grinding apparatus, including rack 1, One rubber 2 and the second rubber 3 are equipped with conveyer belt 4 in rack 1, and fixture is equipped on conveyer belt 4, and fixture includes the first transverse slat 5 With the second transverse slat 6, the first transverse slat 5 and the second transverse slat 6 are hinged on conveyer belt 4, the downside of the first transverse slat 5 and the second transverse slat 6 It is connected with the second compression spring 7 between conveyer belt 4, the upside of the first transverse slat 5 and the second transverse slat 6 is bonded with riser 8, between riser 8 Bar 9 is slidably connected, the opposite side of riser 8 is bonded with clamping plate 10, the first polishing is equipped in the rack 1 of 4 top of conveyer belt Mechanism and the second workpiece polishing mechanism, the first workpiece polishing mechanism include first rotating shaft 11 and the second shaft 12, first rotating shaft 11 and second turn Axis 12 is rotatably connected in rack 1, and the first rubber 2 is tensioned between first rotating shaft 11 and the second shaft 12, the second sander Structure includes third shaft 13 and the 4th shaft 14, and the second rubber 3 is tensioned between third shaft 13 and the 4th shaft 14, the first sand The distance between skin 2 and conveyer belt 4 are more than the distance between the second rubber 3 and conveyer belt 4, and electricity is equipped in first rotating shaft 11 Machine is equipped with the first belt 15 wheel in the second shaft 12 by flat key, and the second belt is equipped with by flat key in third shaft 13 15 wheels, being tensioned between the first belt 15 wheel and the second belt 15 wheel has belt 15;It is provided between second rubber 3 and conveyer belt 4 Push rod 16, push rod 16 are slidably connected in rack 1, and 16 right end of push rod is threaded with push plate 17, and 17 phase of push plate has the first gas Capsule 18, the first air bag 18 are bonded in rack 1, and rack 1 is equipped with the first groove and the second groove, and third shaft 13 is rotatablely connected In the first groove, the 4th shaft 14 is rotatably connected in the second groove, and the upside of third shaft 13 and the 4th shaft 14 is homogeneous Have a pushing block 19, the downside of third shaft 13 and the 4th shaft 14 homogeneously has a lower pushing block 20, the lower end of upper pushing block 19 and under The upper end of pushing block 20 is arc-shaped, is bonded with the second air bag 21 between upper pushing block 19 and rack 1, lower pushing block 20 and rack 1 it Between be connected with the first compression spring 22, the first air bag 18 is connected to the second air bag 21.
In use, starting motor, motor drives first rotating shaft 11 to rotate, and first rotating shaft 11 drives the by the first rubber 2 Two shafts 12 rotate, and the first belt 15 wheel rotation when the second shaft 12 rotates, the first belt 15 wheel can pass through 15 band of belt again The rotation of dynamic third shaft 13, so that the second rubber 3 and the rotation of the 4th shaft 14;Then directly casting 23 is placed on defeated Send on the first transverse slat 5 and the second transverse slat 6 of band 4, casting 23 by gravity pressure on the first transverse slat 5 and the second transverse slat 6, compression the Two compression springs 7, the first transverse slat 5 and the second transverse slat 6 move downward, because the lower end of riser 8 is fixedly connected on the first transverse slat 5 and On two transverse slats 6, when the first transverse slat 5 and the second transverse slat 6 are become being close to conveyer belt 4 from inclination, the upper end of riser 8 will be opposite Casting 23, is clamped by movement using clamping plate 10, and upward, casting 23 transports the cast gate of casting 23 together with conveyer belt 4, gear Bar 9 blocks casting 23, and casting 23 will not move on fixture to the opposite direction of conveying direction, when casting 23 is transported to first When 2 lower section of rubber, the cast gate of casting 23 offsets with the first rubber 2, and the rotation of the first rubber 2 just grinds the cast gate of casting 23 It cuts, during grinding, because conveyer belt 4 is being driven always, casting 23 has always there are one being moved to 3 direction of the second rubber Kinetic energy, so casting 23 can carry out first time grinding in the first rubber 2 to the cast gate of casting 23, casting 23 continues with conveying Band 4 is driven together, when casting 23 is transported to the second 3 lower section of rubber, the second rubber 3 first to casting 23 through the first rubber 2 not The cast gate being ground continues to be ground, and as the first rubber 2 grinding 23 cast gate principle of casting, the second rubber 3 is to casting 23 Cast gate be ground, in casting 23 during 18 direction of the first air bag of 3 times directions of the second rubber moves, casting 23 will It offsets with push rod 16, in 23 motion process of casting, pushes push rod 16 to be moved to the first air bag 18, be fixedly connected using with push rod 16 Push plate 17 compress the first air bag 18, after the first air bag 18 is compressed, the gas of the first air bag 18 enters the second air bag 21, the Two air bags 21 swell, and the second air bag 21 will push pushing block 19 to move downward after swelling, and then will compress the first compression spring 22, make It obtains third shaft 13 and the 4th shaft 14 moves downward, so so that the second rubber 3 moves downward, the second rubber 3 and casting 23 Abutting grinding is carried out, until the cast gate of casting 23 is smoothed, casting 23 enters the right part of conveyer belt 4, is detached from conveyer belt 4. After grinding finishes, under the reset force of the first compression spring 22, third shaft 13 and the 4th shaft 14 move upwards, the second air bag 21 Interior gas returns to the first air bag 18, and push rod 16 resets, and prepares the arrival of next casting 23.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these all do not interfere with what the present invention was implemented Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification The records such as specific implementation mode can be used for explaining the content of claim.

Claims (6)

1. high-temperature alloy casting cast gate grinding apparatus, including rack, the first rubber and the second rubber, it is characterised in that:The machine Conveyer belt is installed on frame, several fixtures are installed on the conveyer belt, are equipped in the rack above the conveyer belt First workpiece polishing mechanism and the second workpiece polishing mechanism, first workpiece polishing mechanism include first rotating shaft and the second shaft, described first turn Axis and the second shaft are rotatably connected in rack, and first rubber is tensioned between first rotating shaft and the second shaft, described Second workpiece polishing mechanism includes third shaft and the 4th shaft, and second rubber is tensioned between third shaft and the 4th shaft, The distance between first rubber and conveyer belt are more than the distance between the second rubber and conveyer belt;Second rubber with it is defeated It send and is provided with push rod between, the push rod is slidably connected in rack, and the one end of the push rod far from the first rubber, which is fixed, to be connected It is connected to push plate, the push plate mutually has the first air bag, and first air bag is fixedly connected in rack, and the rack is equipped with the One groove and the second groove, the third shaft coordinate with the first groove gap, and the 4th shaft is matched with the second groove gap It closes, the upside of the third shaft and the 4th shaft homogeneously has a pushing block, and the downside of the third shaft and the 4th shaft is equal Lower pushing block is mutually had, the second air bag is connected between the upper pushing block and rack, is connected between the lower pushing block and rack One elastic component, first air bag and the connection of the second air bag.
2. high-temperature alloy casting cast gate grinding apparatus according to claim 1, it is characterised in that:The fixture includes first Transverse slat and the second transverse slat, first transverse slat and the second transverse slat are hinged on the conveyor belt, first transverse slat and the second transverse slat It is connected with the second elastic component between the side and conveyer belt of conveyer belt, first transverse slat and the second transverse slat are far from conveyer belt Side be fixedly connected with riser, the opposite side of the riser is fixedly connected with clamping plate.
3. high-temperature alloy casting cast gate grinding apparatus according to claim 2, it is characterised in that:It is slided between the riser It is connected with lever.
4. high-temperature alloy casting cast gate grinding apparatus according to claim 3, it is characterised in that:Pacify in the first rotating shaft Equipped with actuating unit, it is installed with the first belt pulley in second shaft, second is installed in the third shaft Belt pulley, being tensioned between first belt pulley and the second belt pulley has belt.
5. high-temperature alloy casting cast gate grinding apparatus according to claim 4, it is characterised in that:The lower end of the upper pushing block Upper end with lower pushing block is arc-shaped.
6. high-temperature alloy casting cast gate grinding apparatus according to claim 5, it is characterised in that:First elastic component is First compression spring, second elastic component are the second compression spring.
CN201710237016.8A 2017-04-12 2017-04-12 High-temperature alloy casting cast gate grinding apparatus Active CN107009234B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710237016.8A CN107009234B (en) 2017-04-12 2017-04-12 High-temperature alloy casting cast gate grinding apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710237016.8A CN107009234B (en) 2017-04-12 2017-04-12 High-temperature alloy casting cast gate grinding apparatus

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CN107009234B true CN107009234B (en) 2018-08-28

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107684940A (en) * 2017-10-10 2018-02-13 安徽瑞思威尔科技有限公司 A kind of fixing device for wide-mouth bottle
CN108723507B (en) * 2018-05-29 2019-05-24 重庆市璧山区合成机械制造有限公司 Gear machining equipment

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US3570190A (en) * 1968-02-29 1971-03-16 Carborundum Co Belt sanding and polishing machine
US3668814A (en) * 1970-03-30 1972-06-13 Minnesota Mining & Mfg Surface grinding device
US5931726A (en) * 1997-12-19 1999-08-03 Peters; Jeffrey T. Adjustment plate
US6464571B2 (en) * 1998-12-01 2002-10-15 Nutool, Inc. Polishing apparatus and method with belt drive system adapted to extend the lifetime of a refreshing polishing belt provided therein
CN102699796B (en) * 2012-05-14 2014-12-03 宁波霍思特精密机械有限公司 Grinding device for gate of high temperature alloy casting
CN202726697U (en) * 2012-07-23 2013-02-13 宁波霍思特精密机械有限公司 Device for automatically cutting riser of cast part
CN205057718U (en) * 2015-10-27 2016-03-02 大连华升精密铸件制造有限公司 Turbine runner grinding device
CN205904832U (en) * 2016-05-12 2017-01-25 安吉县富康竹木机械厂 Lumber sanding grinder

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Effective date of registration: 20190613

Address after: 529100 Da Butou (Tu Name) of the Qian Village Committee of Siqian Town, Xinhui District, Jiangmen City, Guangdong Province

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Address before: 402168 Zaojiao Villagers Group of Yonggang Village, Shengli Road Office, Yongchuan District, Chongqing

Patentee before: CHONGQING CITY YONGCHUAN DISTRICT YIRUI MACHINERY CO., LTD.

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