CN115213787B - Polishing device and polishing method for oxide layer after heat treatment of metal workpiece - Google Patents

Polishing device and polishing method for oxide layer after heat treatment of metal workpiece Download PDF

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Publication number
CN115213787B
CN115213787B CN202210680786.0A CN202210680786A CN115213787B CN 115213787 B CN115213787 B CN 115213787B CN 202210680786 A CN202210680786 A CN 202210680786A CN 115213787 B CN115213787 B CN 115213787B
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workpiece
polishing
rod
oxide layer
rocking wheel
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CN115213787A (en
Inventor
刘晓初
胡彬
梁忠伟
萧金瑞
邝超鹏
余刁刁
郑佳鹏
张艺腾
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Guangzhou University
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Guangzhou University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
    • B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
    • B24B55/03—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant designed as a complete equipment for feeding or clarifying coolant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/07—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor involving a stationary work-table
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/07—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor involving a stationary work-table
    • B24B7/075—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor involving a stationary work-table using a reciprocating grinding head mounted on a movable carriage

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

The invention relates to the technical field of metal processing, and discloses an oxide layer polishing device after heat treatment of a metal workpiece, which comprises a main transmission mechanism, wherein a lifting mechanism capable of being driven by the main transmission mechanism to reciprocate is arranged below the main transmission mechanism, a cooling mechanism for cleaning the workpiece to take away heat is arranged on the side edge of the main transmission mechanism, and a workpiece fixing mechanism is arranged at the bottom of the lifting mechanism. The polishing device and the polishing method for the oxide layer after the heat treatment of the metal workpiece have the advantages of compact structure, convenience in manufacturing, no need of power supply, convenience in replacement after abrasion of the frosted paper, labor saving compared with the traditional polishing mode and high efficiency.

Description

Polishing device and polishing method for oxide layer after heat treatment of metal workpiece
Technical Field
The invention relates to the technical field of metal processing, in particular to a polishing device and a polishing method for an oxide layer after heat treatment of a metal workpiece.
Background
After heat treatment, the metal workpiece usually has an oxide layer, mainly oxygen in air and oxide layer generated by oxidation of the workpiece, and the oxide layer is thicker as the heating time is longer and the temperature is higher. The procedure usually performed after the heat treatment of the metal workpiece is hardness inspection or wire cutting. The principle of the hardness test is that the Vickers hardness tester presses the surface of a workpiece through a stepping motor, then a reading microscope measures the length of the diagonal line of the indentation, and the Vickers hardness is measured by using a conversion relation between the diagonal line and the test force, so that the observation of the indentation is greatly influenced by an oxide carbonized layer generated by heat treatment. In addition, the existence of impurities on the surface layer of the metal workpiece can influence the conductivity of the workpiece to be processed, and the work efficiency of wire-cut electric discharge machining can be influenced. For polishing of the oxide layer of the work piece for heat treatment hardness test, it is currently common to use a hand-held grinder for polishing or sand paper on a work table. Although the quantitative polishing device and the polishing method for the heat treatment hardness test part of the patent number CN111360644A are improved on the traditional grinder, the polishing depth is accurate, but the polishing depth is not out of the range of a grinding wheel, the device is labor-saving, but the relative cutting heat is higher, the surface burn of a workpiece layer is more serious, and the subsequent metallographic structure observation work is not facilitated. The traditional polishing method has the advantages that the heat generated by polishing the oxide layer on the workbench through sand paper is small, the metallographic structure is slightly affected, the damage to the wrist joint of a person is great, the human engineering principle is not met, in addition, the epidermis of the hand is easy to break during polishing, and the wound is at risk of being infected.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a polishing device and a polishing method for an oxide layer after heat treatment of a metal workpiece, so as to solve the problems.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an oxidation layer grinding device after metal workpiece heat treatment, includes main drive mechanism, main drive mechanism's below is provided with the elevating system that can be driven by main drive mechanism and carry out reciprocating motion, and main drive mechanism's side is provided with the cooling body that is used for wasing the work piece and takes away heat, elevating system bottom is provided with work piece fixed establishment.
Preferably, the main transmission mechanism comprises a top box body, a first rocking wheel, a first cylindrical lug, bearings, a second cylindrical lug, a fixing plate and a cross rod, wherein the first rocking wheel is installed inside the top box body in a rotating mode, the first rocking wheel is driven by an external driving source, four bearings are fixedly installed on the inner wall of the top box body, the two bearings on the upper side and the lower side correspond to each other, the cross rod is arranged between the two bearings on the upper side and the lower side, the fixing plate is fixedly installed on the cross rod, the fixing plate is in a T shape, the first rocking wheel is provided with two symmetrical first cylindrical lugs, and the cross rod is provided with a linkage structure.
Preferably, the link gear includes the dysmorphism pole, the dysmorphism pole is L shape, the dysmorphism pole rotates the inner wall of installing at the top box, and the one end of dysmorphism pole is located the below of one of them first cylinder lug, fixed mounting has the second cylinder lug on the horizontal pole, be provided with the breach on the dysmorphism pole lower extreme corresponds second cylinder lug position, breach and second cylinder lug joint are in the same place, and when first rocking wheel carried out clockwise rotation, first cylinder lug contacted with the dysmorphism pole, through dysmorphism pole connection second cylinder lug drive horizontal pole right motion, then first cylinder lug can contact with the fixed plate again, through fixed plate drive horizontal pole left motion, just so turn into the circular motion of first rocking wheel horizontal pole repetitive motion.
Preferably, the lifting mechanism comprises a sleeve, a lifting rod, a fixing frame and a cam rod, wherein the top end of the sleeve is fixedly connected with the cross rod, the lifting rod is inserted into the sleeve, the fixing frame is movably mounted on the outer side of the sleeve through a bolt I, one side of the fixing frame is provided with a rotating mechanism, the other side of the fixing frame is hinged with the cam rod through a bolt II, and the bottom of the lifting rod is fixedly provided with a polishing plate.
Preferably, the rotary mechanism comprises a second rocking wheel, a rotary handle is installed on one side of the second rocking wheel deviating from the fixed frame, a notch is formed in one side of the sleeve corresponding to the second rocking wheel, a tooth slot is formed in one side of the lifting rod corresponding to the notch, a connecting hole is formed in the right side of the fixed frame, the second rocking wheel is connected to the fixed frame through the connecting hole, one side of the second rocking wheel corresponding to the lifting rod is in a spiral line shape, the pitches of the second rocking wheel and the lifting rod are equal, the second rocking wheel and the lifting rod form gear-rack transmission, when the cam rod rotates rightwards to lean against the sleeve, the second rocking wheel is meshed with the lifting rod, the lifting rod is driven to ascend and descend by rotation of the second rocking wheel, when the cam rod rotates leftwards, the second rocking wheel is not meshed with the lifting rod, and the lifting rod can move up and down freely.
Preferably, the workpiece fixing mechanism comprises a water outlet, a working pool and a magnetic switch, wherein the working pool is positioned right below the polishing plate, the water outlet is communicated with the inside of the working pool, and the magnetic switch is provided with a side edge of the fixing frame. The working pool can control magnetism through the magnetic switch, when the workpiece is placed, the magnetic switch can be opened to enable the working pool to be magnetically fixed with the workpiece, so that the workpiece is prevented from moving when polished. The working pool recovers water from the cooling mechanism and recovers the water through the water outlet.
Preferably, the cooling mechanism comprises a plug, a water tank, a water pipe and a water valve switch, wherein the plug is blocked at a water inlet of the water tank, the water pipe is connected to a water outlet of the water tank, the water valve switch is arranged at a water outlet end of the water pipe, water can be added into the water tank by opening the plug, and when polishing work is carried out, the water valve switch can be opened to properly flush materials, so that a part of heat is taken away, and overheating and burning of a surface layer of a workpiece are prevented.
A polishing method of an oxide layer polishing device after heat treatment of a metal workpiece comprises the following steps:
1. fixing the workpiece in a working pool;
2. fixing the frosted paper on a polishing plate at the bottom of the lifting rod;
3. the cam rod rotates leftwards, so that the second rocking wheel is disengaged from the lifting rod, and the bottom abrasive paper is placed on the surface of the workpiece to be polished;
4. the cam rod rotates rightwards to enable the second rocking wheel to be meshed with the lifting rod, and the lifting rod is enabled to have a downward force on the workpiece by rotating the second rocking wheel;
5. and the first rocking wheel and the polishing plate are rotated to reciprocate, the oxide layer is polished, and the water valve switch is timely opened to spray water to the surface of the workpiece for cooling.
Preferably, after the oxide layer is polished, the device can also polish the surface of the workpiece with lower roughness, the frosted paper at the bottom of the polishing plate is replaced, and the second rocking wheel is operated when the polishing plate moves inwards, so that the lifting rod moves upwards appropriately and does not contact with the surface of the workpiece, the reciprocating motion of the polishing plate is changed into unidirectional motion, and the polishing work of the surface of the workpiece can be performed.
(III) beneficial effects
Compared with the prior art, the polishing device and the polishing method for the oxide layer after heat treatment of the metal workpiece have the following beneficial effects:
1. the polishing device and the polishing method for the oxide layer after heat treatment of the metal workpiece are compact in structure, convenient to manufacture, free from power supply, convenient to replace after abrasion of the abrasive paper, and relatively labor-saving and relatively high in efficiency compared with the traditional polishing mode.
2. Compared with the traditional grinding wheel grinding, the grinding device and the grinding method for the oxide layer after heat treatment of the metal workpiece are small in heat quantity, less in damage to the surface layer of the material and provided with an auxiliary cooling mechanism.
3. According to the polishing device and the polishing method for the oxide layer after heat treatment of the metal workpiece, a human body does not need to be in direct contact with the workpiece or sand paper, the safety is high, the metal workpiece is simple and easy to put on hands, and the polishing amount can be independently controlled.
Drawings
FIG. 1 is a schematic view of a polishing apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a polishing apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic view showing a back structure of a polishing apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a main drive mechanism of a grinding apparatus according to an embodiment of the invention;
FIG. 5 is a schematic view of a lifting mechanism of a polishing apparatus according to an embodiment of the present invention;
FIG. 6 is a schematic view of a lifting rod and a second swing wheel of the polishing apparatus according to the embodiment of the present invention;
FIG. 7 is a schematic view of a connection structure between a main driving mechanism and a lifting mechanism of a polishing apparatus according to an embodiment of the present invention;
FIG. 8 is a flowchart illustrating steps performed in a polishing method according to an embodiment of the present invention;
fig. 9 is a schematic diagram illustrating a transmission process of the polishing apparatus according to the embodiment of the present invention.
In the figure: 1. a top box; 2. a first rocking wheel; 3. a plug; 4. a water tank; 5. a fixing frame; 6. polishing the plate; 7. a water outlet; 8. a working pool; 9. a magnetic switch; 10. a second rocking wheel; 11. a water pipe; 12. a water valve switch; 13. a cam lever; 14. a first cylindrical bump; 15. a special-shaped rod; 16. a fixing plate; 17. a bearing; 18. a second cylindrical bump; 19. a lifting rod; 20. a cross bar; 21. a sleeve; 22. a first bolt; 23. and a second bolt.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1-9, the polishing device for an oxide layer after heat treatment of a metal workpiece provided by the embodiment of the invention comprises a main transmission mechanism, wherein a lifting mechanism capable of being driven by the main transmission mechanism to reciprocate is arranged below the main transmission mechanism, a cooling mechanism for cleaning the workpiece to take away heat is arranged on the side edge of the main transmission mechanism, and a workpiece fixing mechanism is arranged at the bottom of the lifting mechanism.
Further, the main transmission mechanism comprises a top box body 1, a first rocking wheel 2, a first cylindrical protruding block 14, bearings 17, a second cylindrical protruding block 18, a fixing plate 16 and a cross rod 20, wherein the first rocking wheel 2 is rotatably installed inside the top box body 1, the first rocking wheel 2 is driven by an external driving source, the driving source is a motor, four bearings 17 are fixedly installed on the inner wall of the top box body 1, two bearings 17 on the upper side and the lower side correspond to each other, the cross rod 20 is arranged between the two bearings 17 on the upper side and the lower side, the fixing plate 16 is fixedly installed on the cross rod 20, the fixing plate 16 is in a T shape, two symmetrical first cylindrical protruding blocks 14 are installed on the first rocking wheel 2, and a linkage structure is arranged on the cross rod 20.
Further, the link gear includes dysmorphism pole 15, dysmorphism pole 15 is L shape, dysmorphism pole 15 rotates the inner wall of installing at top box 1, and the one end of dysmorphism pole 15 is located the below of one of them first cylinder lug 14, fixed mounting has second cylinder lug 18 on horizontal pole 20, be provided with the breach on the corresponding second cylinder lug 18 position of dysmorphism pole 15 lower extreme, the breach is in the same place with second cylinder lug 18 joint, when first rocking wheel 2 carries out clockwise rotation, first cylinder lug 14 contacts with dysmorphism pole 15, connect second cylinder lug 18 through dysmorphism pole 15 and drive horizontal pole 20 and move right, then first cylinder lug 14 can contact with fixed plate 16 again, drive horizontal pole 20 through fixed plate 16 and move left, just so turn into horizontal pole 20 repetitive motion with the circular motion of first rocking wheel 2.
Further, elevating system includes sleeve 21, lifter 19, mount 5 and cam lever 13, and the top and the horizontal pole 20 fixed connection of sleeve 21 are in the same place, and lifter 19 pegging graft in the inside of sleeve 21, and mount 5 pass through bolt one 22 movable mounting in the sleeve 21 outside, and one side of mount 5 is provided with rotary mechanism, and the other side of mount 5 articulates through bolt two 23 has cam lever 13, and the bottom fixed mounting of lifter 19 has polishing plate 6.
Further, rotary mechanism includes second rocking wheel 10, second rocking wheel 10 deviates from mount 5 one side and installs the rotation handle, the breach has been seted up to sleeve 21 corresponding second rocking wheel 10 one side, the tooth's socket has been seted up to lifter 19 corresponding breach one side, the connecting hole has been seted up on mount 5 right side, second rocking wheel 10 passes through the connecting hole to be connected on mount 5, second rocking wheel 10 corresponds lifter 19 one side and is the heliciform, both pitch equals, second rocking wheel 10 constitutes rack and pinion transmission with lifter 19, when cam lever 13 turns right and leans on sleeve 21, second rocking wheel 10 meshes with lifter 19, second rocking wheel 10 is rotatory to drive lifter 19 rise and descend, when cam lever 13 turns left, second rocking wheel 10 and lifter 19 no longer mesh, lifter 19 can free oscilaltion.
Further, the workpiece fixing mechanism comprises a water outlet 7, a working pool 8 and a magnetic switch 9, wherein the working pool 8 is positioned under the polishing plate 6, the water outlet 7 is communicated with the inside of the working pool 8, and the magnetic switch 9 is arranged on the side edge of the fixing frame 5. The working pool 8 can control magnetism through the magnetic switch 9, when the workpiece is placed, the magnetic switch can be opened to enable the working pool 8 to be magnetically fixed, so that the workpiece is prevented from moving when being polished. The working tank 8 recovers water from the cooling mechanism and recovers the water through the water outlet 7.
Further, the cooling mechanism comprises a plug 3, a water tank 4, a water pipe 11 and a water valve switch 12, wherein the plug 3 is plugged at a water inlet of the water tank 4, the water pipe 11 is connected to a water outlet of the water tank 4, the water valve switch 12 is arranged at a water outlet end of the water pipe 11, water can be added into the water tank 4 by opening the plug 3, and when polishing work is carried out, the water valve switch 12 can be opened to properly flush materials, so that a part of heat is taken away, and overheating and burning of a surface layer of a workpiece are prevented.
A polishing method of an oxide layer polishing device after heat treatment of a metal workpiece comprises the following steps:
1. fixing the workpiece in the working pool 8;
2. fixing the abrasive paper on the polishing plate 6 at the bottom of the lifting rod 19;
3. the cam rod 13 rotates leftwards to disengage the second rocking wheel 10 from the lifting rod 19, and the bottom abrasive paper is placed on the surface of the workpiece to be polished;
4. the cam rod 13 rotates rightwards to enable the second rocking wheel 10 to be meshed with the lifting rod 19, and the second rocking wheel 10 is rotated to enable the lifting rod 19 to have a downward force on a workpiece;
5. the first rocking wheel 10 and the polishing plate 6 are rotated to reciprocate, the oxide layer is polished, and a water valve switch is timely opened to spray water to the surface of the workpiece for cooling.
After the oxide layer is polished, the device can also polish the surface of the workpiece with lower roughness, the abrasive paper at the bottom of the polishing plate 6 is replaced, and the second rocking wheel 10 is operated when the polishing plate 6 moves inwards, so that the lifting rod 19 moves upwards appropriately and does not contact with the surface of the workpiece, the reciprocating motion of the polishing plate is changed into unidirectional motion, and the polishing work of the surface of the workpiece can be performed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a metal work piece heat treatment back oxide layer grinding device, includes main drive mechanism, its characterized in that: a lifting mechanism which can be driven by the main transmission mechanism to reciprocate is arranged below the main transmission mechanism, a cooling mechanism for cleaning a workpiece to take away heat is arranged on the side edge of the main transmission mechanism, and a workpiece fixing mechanism is arranged at the bottom of the lifting mechanism;
the main transmission mechanism comprises a top box body (1), a first rocking wheel (2), a first cylindrical protruding block (14), bearings (17), a second cylindrical protruding block (18), a fixing plate (16) and a cross rod (20), wherein the first rocking wheel (2) is rotatably arranged in the top box body (1), the first rocking wheel (2) is driven by an external driving source, the driving source is a motor, four bearings (17) are fixedly arranged on the inner wall of the top box body (1), the two bearings (17) on the upper side and the lower side correspond to each other, a cross rod (20) is arranged between the two bearings (17) on the upper side and the lower side, the fixing plate (16) is fixedly arranged on the cross rod (20), the fixing plate (16) is in a T shape, two symmetrical first cylindrical protruding blocks (14) are arranged on the first rocking wheel (2), and a linkage structure is arranged on the cross rod (20);
the linkage mechanism comprises a special-shaped rod (15), the special-shaped rod (15) is L-shaped, the special-shaped rod (15) is rotatably arranged on the inner wall of the top box body (1), one end of the special-shaped rod (15) is positioned below one of the first cylindrical bumps (14), a second cylindrical bump (18) is fixedly arranged on the cross rod (20), a notch is formed in the position, corresponding to the second cylindrical bump (18), of the lower end of the special-shaped rod (15), and the notch is clamped with the second cylindrical bump (18);
the lifting mechanism comprises a sleeve (21), a lifting rod (19), a fixing frame (5) and a cam rod (13), wherein the top end of the sleeve (21) is fixedly connected with a cross rod (20), the lifting rod (19) is inserted into the sleeve (21), the fixing frame (5) is movably mounted on the outer side of the sleeve (21) through a first bolt (22), one side of the fixing frame (5) is provided with a rotating mechanism, the other side of the fixing frame (5) is hinged with the cam rod (13) through a second bolt (23), and a polishing plate (6) is fixedly mounted at the bottom of the lifting rod (19);
the rotary mechanism comprises a second shaking wheel (10), a rotary handle is arranged on one side, deviating from the fixed frame (5), of the second shaking wheel (10), a notch is formed in one side, corresponding to the second shaking wheel (10), of the sleeve (21), a tooth slot is formed in one side, corresponding to the notch, of the lifting rod (19), a connecting hole is formed in the right side of the fixed frame (5), the second shaking wheel (10) is connected onto the fixed frame (5) through the connecting hole, one side, corresponding to the lifting rod (19), of the second shaking wheel (10) is in a spiral line shape, the pitch of the two is equal, and the second shaking wheel (10) and the lifting rod (19) form gear-rack transmission.
2. The post heat treatment oxide layer polishing device for a metal workpiece according to claim 1, wherein: the workpiece fixing mechanism comprises a water outlet (7), a working pool (8) and a magnetic switch (9), wherein the working pool (8) is positioned right below the polishing plate (6), the water outlet (7) is communicated with the inside of the working pool (8), and the magnetic switch (9) is provided with a side edge of the fixing frame (5).
3. The post heat treatment oxide layer polishing device for a metal workpiece according to claim 1, wherein: the cooling mechanism comprises a plug (3), a water tank (4), a water pipe (11) and a water valve switch (12), wherein the plug (3) is plugged at a water inlet of the water tank (4), the water pipe (11) is connected to a water outlet of the water tank (4), and the water valve switch (12) is arranged at a water outlet end of the water pipe (11).
4. A polishing method of the metal workpiece heat-treated oxide layer polishing device, characterized in that the metal workpiece heat-treated oxide layer polishing device according to claim 3 is adopted, comprising the following steps:
the first step: fixing the workpiece in a working tank (8);
and a second step of: the frosted paper is fixed on a polishing plate (6) at the bottom of a lifting rod (19);
and a third step of: the cam rod (13) rotates leftwards, so that the second rocking wheel (10) is disengaged from the lifting rod (19), and the bottom abrasive paper is placed on the surface of a workpiece to be polished;
fourth step: the cam rod (13) rotates rightwards to enable the second rocking wheel (10) to be meshed with the lifting rod (19), and the second rocking wheel (10) is rotated to enable the lifting rod (19) to have a downward force on a workpiece;
fifth step: the first rocking wheel (10) and the polishing plate (6) are rotated to reciprocate, the oxide layer is polished, and the water valve switch is opened timely to spray water to the surface of the workpiece for cooling.
5. The polishing method of the oxide layer polishing device after heat treatment of a metal workpiece according to claim 4, wherein: when the device polishes the surface of a workpiece with lower roughness, the abrasive paper at the bottom of the polishing plate (6) is replaced, and the second rocking wheel (10) is operated when the polishing plate (6) moves inwards, so that a proper amount of lifting rod (19) moves upwards and is not contacted with the surface of the workpiece, the reciprocating motion of the polishing plate is changed into unidirectional motion, and the polishing work of the surface of the workpiece is performed.
CN202210680786.0A 2022-06-16 2022-06-16 Polishing device and polishing method for oxide layer after heat treatment of metal workpiece Active CN115213787B (en)

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CN113977368A (en) * 2021-11-25 2022-01-28 常州市佳舜精密机械设备有限公司 Valve body fine grinding device
CN215659399U (en) * 2021-05-31 2022-01-28 山东中再生表面处理科技有限公司 Metal workpiece machining platform
CN114226098A (en) * 2021-12-14 2022-03-25 兴发铝业（成都）有限公司 Aluminium alloy spraying plastics processing apparatus based on internet

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Publication number Priority date Publication date Assignee Title
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