CN106956201B - Grinding polisher and method thereof - Google Patents

Grinding polisher and method thereof Download PDF

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Publication number
CN106956201B
CN106956201B CN201710161486.0A CN201710161486A CN106956201B CN 106956201 B CN106956201 B CN 106956201B CN 201710161486 A CN201710161486 A CN 201710161486A CN 106956201 B CN106956201 B CN 106956201B
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China
Prior art keywords
connecting rod
grinding
frame
hole
moving workbench
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CN201710161486.0A
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CN106956201A (en
Inventor
冯凯萍
石宝民
周兆忠
倪成员
郁炜
尹涛
许庆华
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Quzhou University
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Quzhou University
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    • 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
    • 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention discloses a grinding polisher and a method thereof. The grinding mechanism comprises a frame, a motor, a coupler, a fixed bracket, a moving workbench, a cam mechanism, a grinding disc, a cantilever beam, a first connecting rod, a third connecting rod and a second connecting rod; the pressurizing mechanism consists of a pressurizing thimble, a fixed clamping needle, a rotary weight frame, a weight rotating rod, a spiral weight and a clamp. The unique design of grinding connecting rod component of this grinding polisher makes the processing orbit change through cam mechanism's change, and the pressurization mode is the pressurization of both sides, has avoided the pressure to concentrate, and it has simple structure, stability good, machining precision high characteristics to tend to steady state more in whole course of working.

Description

Grinding polisher and method thereof
Technical Field
The invention belongs to the field of precision machining, grinding and polishing, and relates to a grinding and polishing machine and a method thereof.
Background
With the progress of scientific technology, the grinding polisher plays an increasingly important role in the field of precision machining and polishing.
The polishing machine is polishing equipment for grinding the surface of a product to obtain the product with higher surface precision. The traditional grinding and polishing machine mainly comprises a frame, polishing wheels on the frame, polishing fabrics on the polishing wheels, a driving motor for driving the polishing wheels and the like, but the traditional grinding and polishing machine has the problems of low efficiency, poor processing precision, poor stability and the like in the processing process, and the expected high-quality scratch-free appearance is difficult to achieve. The plane polishing machine on the market at present is mainly provided with a swing arm type plane polishing machine, a weight pressurizing polishing machine, a planetary plane polishing machine and the like, wherein a workpiece clamp has a deflection moment, and the workpiece clamp is obliquely pressurized by adopting a cylinder, so that the workpiece is easy to run and fly to cause damage during high-speed grinding; the weight pressurizing and polishing machine is suitable for precision machining in a laboratory; the latter is the most widely used planetary plane polishing machine at present, and can finish the precise grinding processing of materials such as ceramics, sapphires and the like, but the planetary plane polishing machine is still deficient in the aspect of processing large-scale workpieces.
Referring to the related patent, the Chinese patent application with publication number of CN 103862355A discloses a polishing machine, which is integrally of a gantry type structure and comprises an abrasive belt mechanism, a flexible grinding head, a linear shaft, a swinging shaft and a rotating shaft, wherein a variable frequency motor drives an abrasive belt on the abrasive belt mechanism to move; chinese patent application publication No. CN 205799205U discloses a polishing machine, comprising a housing, a polishing seat, wherein the polishing seat is arranged on the housing, and the pressure equalizing device comprises at least four pressure heads, a driving member and at least two driven members.
Disclosure of Invention
The invention provides a grinding polisher, which has the following technical scheme:
the grinding and polishing machine comprises a bottom grinding mechanism and a top pressurizing mechanism, wherein the grinding mechanism consists of a frame, a motor, a coupler, a fixed bracket, a moving workbench, a cam mechanism, a grinding disc, a cantilever beam, a first connecting rod, a third connecting rod and a second connecting rod; the pressurizing mechanism consists of a pressurizing thimble, a fixed clamping needle, a rotary weight frame, a weight rotating rod, a spiral weight and a clamp;
two cantilever beams are fixed on the rack, a pressurizing mechanism is respectively arranged on each cantilever beam, pressure is applied to the left side and the right side of the clamp by the two pressurizing mechanisms, two extending rods are fixed at the front end of each cantilever beam, the extending rods are hinged with the rotary weight frame, one end of each rotary weight frame is provided with threads, two spiral weights are connected to the rotary weight frame in a spiral connection mode, a weight rotating rod is fixed on the upper side of the rotary weight frame, the rotary weight rotating rod can drive the rotary weight frame to rotate, a hole is formed in the front end of each cantilever beam, a pressurizing thimble is placed in the hole, when the rotary weight frame is put down by the weight rotating rod, the pressurizing thimble is pushed down by a spring in the hole of the rotary weight frame, the moment on the rotary weight frame can be changed by rotating the spiral weights in the front and back directions, the pressure of the rotary weight frame on the pressurizing thimble is changed, and therefore, the change of a processing load is controlled, and a fixing clamp needle is also fixed at the front end of the cantilever beam and used for clamping the clamp;
the motor is fixed in the frame through the fixed bolster, the motor passes through the shaft coupling and connects cam mechanism, the motor rotates and drives cam mechanism and rotate, the plane mounting has the motion workstation in the frame, the motion workstation can be in the plane motion in the frame, the trompil in the middle of the motion workstation, set up cam mechanism in the hole, cam mechanism outside curve and motion workstation hole curve are in the rotatory interval contact of cam mechanism, cam mechanism rotates and drives the motion workstation motion, the abrasive disc has been installed to motion workstation upside, the inboard both sides of motion workstation are respectively through first connecting rod, the frame is connected to the second connecting rod, the third connecting rod then links up the both sides connecting rod in the middle of the hinge of first connecting rod, the second connecting rod, this link set is used for limiting the range of motion workstation.
The clamp is characterized in that the two sides of the clamp are respectively provided with a thimble hole and a clamping hole, the pressing thimble is propped in the thimble hole to realize the application of pressure to the clamp, the fixed clamping needle is clamped in the clamping hole, the degree of freedom of the clamp is limited, the movement is prevented, and the clamp can mechanically clamp or cohesively clamp a workpiece.
The mechanism composed of the first connecting rod, the third connecting rod, the second connecting rod and the cam mechanism of the bottom grinding mechanism limits the rotation range of the motion workbench; when the polishing machine works, the motor provides a power source through the coupler to drive the cam mechanism to realize rotary motion, the cam mechanism drives the plane of the moving workbench to move in a curved manner, and the plane of the grinding disc arranged on the moving workbench moves in a curved manner at the moment to finish the grinding and polishing work of a workpiece; the pressurizing mechanism is arranged at the upper ends of cantilever beams at two sides to meet the clamping requirement on the clamp, the weight rotating rod is rotated and lifted during operation, the clamp after clamping a workpiece is placed on the grinding disc, the pressurizing thimble props against the thimble hole of the clamp, the fixing clamp needle is clamped into the clamping hole of the clamp to limit the freedom degree of the clamp, the weight rotating rod is put down, the spiral weight is rotated forwards and backwards, the pressure is set, and the pressurizing work is completed.
The plane of the moving workbench in the bottom grinding mechanism can be square, rectangle, circle, regular pentagon, regular hexagon, polygon and the like, and the middle opening can be one of square, circle, polygon, curve and multi-section.
The top pressurizing mechanism weight can move forwards and backwards to change the moment so as to change the pressure of the pressurizing thimble on the clamp, so that the requirements of different occasions on different processing loads are met.
The plane of the moving workbench (4) in the bottom grinding mechanism can be one of square, rectangle, circle, regular pentagon, regular hexagon and polygon, and the middle opening can be one of square, circle, polygon, curve and multiple selected section.
The unique design of the grinding connecting rod component of the grinding polisher enables the workpiece to be more stable in the whole processing process, and has the characteristics of simple structure, high stability of the grinding disc, high processing precision, excellent performance and the like. The pressurizing mechanism and the rotating mechanism can better and accurately keep the stability of the processing process and adapt to the continuous change of the pressure of the processing process by continuous adjustment.
Drawings
FIG. 1 is a schematic view of a polishing machine (perspective view I);
FIG. 2 is a schematic view of a polishing machine (perspective view II);
FIG. 3 is a schematic view of the workpiece clamping and overall of the grinder polisher.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention.
The grinding and polishing machine shown in figures 1-3 mainly comprises a grinding mechanism and a pressurizing mechanism. The grinding mechanism consists of a frame 1, a motor 2, a coupler 16, a fixed bracket 3, a moving workbench 4, a cam mechanism 15, a grinding disc 5, a cantilever beam 11, a first connecting rod 12, a third connecting rod 13 and a second connecting rod 14; the pressurizing mechanism consists of a pressurizing thimble 6, a fixed clamping needle 7, a rotary weight frame 8, a weight rotating rod 9, a spiral weight 10 and a clamp 17.
The pressurizing mechanism is characterized in that two cantilever beams 11 are fixed on the frame 1, each cantilever beam 11 is provided with a pressurizing mechanism, the two pressurizing mechanisms apply pressure on the left side and the right side of the clamp respectively, the front end of each cantilever beam 11 is fixed with two extending rods, each extending rod is connected with a rotating weight frame 8 through a screw mechanism, one end of each rotating weight frame 8 is provided with threads, two screw weights 10 are connected to the rotating weight frame 8 in a screw connection mode, a weight rotating rod 9 is fixed on the upper side of one end of each rotating weight frame 8, the rotating weight rotating rod 9 can drive the rotating weight frame 8 to rotate, the front end of each cantilever beam 11 is provided with a hole, a pressurizing thimble 6 is placed in the hole, when the rotating weight frame 8 is put down through the weight rotating rod 9, the pressurizing thimble 6 is pushed down by the springs in the holes of the cantilever beams 11 to jack the pressurizing thimble 6, the screw weights 10 can be rotated in the front and back directions to change the moment on the rotating weight frame 8, the pressure of the rotating weight frame 8 to change the pressurizing weight 6, and accordingly the change of the pressurizing weight frame 8 is controlled, and the clamp load is clamped by fixing the cantilever beam 7.
The grinding mechanism is characterized in that a motor 2 is fixed on a frame 1 through a fixed bracket 3, the motor 2 is connected with a cam mechanism 15 through a coupler 16, the motor 2 rotates to drive the cam mechanism 15 to rotate, a moving workbench 4 is arranged on the upper plane of the frame in a plane connection mode, namely, the moving workbench 4 can move on the upper plane of the frame, the middle of the moving workbench 4 is provided with a hole, the cam mechanism 15 is matched in the hole, the outer side curve of the cam mechanism 15 is contacted with the inner hole curve of the moving workbench 4 in different places in rotation, the cam mechanism 15 rotates to drive the moving workbench 4, and the plane movement mode of the moving workbench 4 also changes along with the cam curve due to the fact that cam matching holes in the cam and the moving workbench 4 can be in any shape, a grinding disc 5 is arranged on the upper side of the moving workbench 4, and then the movement track of the grinding disc 5 changes; the two sides of the inner side of the moving workbench 4 are respectively connected with the frame through a first connecting rod 12 and a second connecting rod 14, a third connecting rod 13 connects the connecting rods on the two sides between the hinges of the first connecting rod 12 and the second connecting rod 14, and the connecting rod group can limit the moving range of the moving workbench 4.
The clamp 17 is characterized in that a thimble hole and a clamping hole are respectively formed in two sides of the clamp 17, the pressing thimble 6 is propped against the thimble hole, pressure is applied to the clamp, the fixed clamping needle 7 is clamped in the clamping hole, the degree of freedom of the clamp is limited, movement is prevented, and the clamp clamps a workpiece mechanically.
Wherein the plane of the motion table 4 in the grinding mechanism may be square, rectangular, round, regular pentagonal, regular hexagonal, etc., in this embodiment a square plane motion table is adopted.
The specific operation steps are as follows:
1) During operation, the clamp for clamping the workpiece is placed on the grinding disc, the pressing thimble 6 props against the thimble hole of the clamp, the fixed clamping needle 7 is clamped into the clamping hole of the clamp, the degree of freedom of the clamp is limited, the weight rotating rod 9 is put down, the spiral weight 10 is rotated forwards and backwards, and the pressing work is completed under a given pressure;
2) The power switch is pressed down, the motor 2 provides a power source through the coupler (16) to drive the cam mechanism 15 to do rotary motion, the cam mechanism (15) drives the plane curve motion of the moving workbench (4), and the plane curve motion of the grinding disc 5 arranged on the moving workbench (4) finishes the grinding and polishing work of the workpiece.

Claims (1)

1. The grinding and polishing machine comprises a bottom grinding mechanism and a top pressurizing mechanism, and is characterized in that the grinding mechanism consists of a frame (1), a motor (2), a coupler (16), a fixed bracket (3), a moving workbench (4), a cam mechanism (15), a grinding disc (5), a cantilever beam (11), a first connecting rod (12), a third connecting rod (13) and a second connecting rod (14); the pressurizing mechanism consists of a pressurizing thimble (6), a fixed clamping needle (7), a rotary weight frame (8), a weight rotating rod (9), a spiral weight (10) and a clamp (17);
two cantilever beams (11) are fixed on the frame (1), a pressurizing mechanism is respectively arranged on each cantilever beam (11), pressure is applied to the left side and the right side of the clamp by the two pressurizing mechanisms, two extending rods are fixed at the front end of each cantilever beam (11), the extending rods are hinged with a rotary weight frame (8), one end of each rotary weight frame (8) is provided with threads, two spiral weights (10) are connected to the rotary weight frame (8) in a spiral connection mode, a weight rotating rod (9) is fixed on the upper side of each rotary weight frame (8), the rotary weight rotating rod (9) can drive the rotary weight frame (8) to rotate, a hole is formed in the front end of each cantilever beam (11), a pressing thimble (6) is placed in the hole, when the rotary weight frame (8) is put down by the weight rotating rod (9), the springs in the holes of the cantilever beams (11) jack the thimble (6) in a spiral connection mode, the spiral weights (10) can clamp the two rotary weight frames (8) in the front direction, the pressing needle (8) can be clamped in the front, the pressing force moment can be further controlled by the rotation of the rotary weight frame (8), and the pressing force moment can be further changed, and the pressing force moment can be further fixed on the cantilever beams (7) by the pressing force moment is changed;
the motor (2) is fixed on the frame (1) through the fixed bracket (3), the motor (2) is connected with the cam mechanism (15) through the coupler (16), the motor (2) rotates to drive the cam mechanism (15) to rotate, the moving workbench (4) is arranged on the upper plane of the frame, the moving workbench (4) can move in the plane on the upper plane of the frame, a hole is formed in the middle of the moving workbench (4), the cam mechanism (15) is arranged in the hole, the outer side curve of the cam mechanism (15) is in interval contact with the inner hole curve of the moving workbench (4) in the rotation of the cam mechanism (15), the cam mechanism (15) rotates to drive the moving workbench (4) to move, the grinding disc (5) is arranged on the upper side of the moving workbench (4), two sides of the upper side of the moving workbench (4) are respectively connected with the frame through the first connecting rod (12) and the second connecting rod (14), the third connecting rod (13) connects the two sides of the connecting rod in the middle of the hinge of the first connecting rod (12) and the second connecting rod (14), and the first connecting rod (12) and the third connecting rod (13) are used for limiting the movement range of the moving workbench (4);
the two sides of the clamp (17) are respectively provided with a thimble hole and a clamping hole, the pressing thimble (6) is propped against the thimble hole to realize the application of pressure to the clamp, and the fixed clamping needle (7) is clamped in the clamping hole, so that the degree of freedom of the clamp is limited and the movement is prevented;
the plane of the moving workbench (4) is one of square, rectangle, circle, regular pentagon and regular hexagon, and the middle opening is one of circle, polygon, curve and multi-selection section;
the grinding and polishing machine comprises the following steps when in grinding and polishing:
1) Pressurization preparation work: the fixture after clamping the workpiece is placed on the grinding disc, the pressing thimble (6) is propped against the thimble hole of the fixture, the fixed clamping needle (7) is clamped into the clamping hole of the fixture, the freedom degree of the fixture is limited, the weight rotating rod (9) is put down, the spiral weight (10) is rotated forwards and backwards, and the pressing work is completed under a given pressure;
2) Grinding and polishing: the power switch is pressed down, the motor (2) provides a power source through the coupler (16) to drive the cam mechanism (15) to do rotary motion, the cam mechanism (15) drives the moving workbench (4) to do plane curve motion, and at the moment, the grinding disc (5) installed on the moving workbench (4) performs plane curve motion to finish grinding and polishing work on a workpiece.
CN201710161486.0A 2017-03-17 2017-03-17 Grinding polisher and method thereof Active CN106956201B (en)

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Application Number Priority Date Filing Date Title
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CN106956201B true CN106956201B (en) 2023-07-28

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112720098B (en) * 2021-01-04 2023-08-15 南京驭逡通信科技有限公司 Uniform wood stick polishing device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2365011Y (en) * 1999-05-05 2000-02-23 胡秀 Fine grinding polishing machine
CN2650938Y (en) * 2003-11-28 2004-10-27 黄金泉 Opti-fiber grinder
TW200734121A (en) * 2006-01-23 2007-09-16 Freescale Semiconductor Inc Method and apparatus for conditioning a CMP pad
CN101947749A (en) * 2010-09-14 2011-01-19 西安理工大学 Numerical control machine tool capable of grinding two sides of plane by dislocation self-rotation and ultrasonic vibration
CN103707170A (en) * 2013-12-30 2014-04-09 南阳中一光学装备有限公司 Drive type reversion polisher
CN204123258U (en) * 2014-10-11 2015-01-28 深圳市海德精密机械有限公司 A kind of counterweight pressing means of single-sided lapping machine and counterweight pressing mechanism
WO2015126017A1 (en) * 2014-02-20 2015-08-27 주식회사 도우인시스 Grinder for outside diameter of curved window glass of mobile device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100484717C (en) * 2004-10-18 2009-05-06 新科实业有限公司 Clamp for grinding magnetic head, grinding apparatus and grinding method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2365011Y (en) * 1999-05-05 2000-02-23 胡秀 Fine grinding polishing machine
CN2650938Y (en) * 2003-11-28 2004-10-27 黄金泉 Opti-fiber grinder
TW200734121A (en) * 2006-01-23 2007-09-16 Freescale Semiconductor Inc Method and apparatus for conditioning a CMP pad
CN101947749A (en) * 2010-09-14 2011-01-19 西安理工大学 Numerical control machine tool capable of grinding two sides of plane by dislocation self-rotation and ultrasonic vibration
CN103707170A (en) * 2013-12-30 2014-04-09 南阳中一光学装备有限公司 Drive type reversion polisher
WO2015126017A1 (en) * 2014-02-20 2015-08-27 주식회사 도우인시스 Grinder for outside diameter of curved window glass of mobile device
CN204123258U (en) * 2014-10-11 2015-01-28 深圳市海德精密机械有限公司 A kind of counterweight pressing means of single-sided lapping machine and counterweight pressing mechanism

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