CN112059737A - Surface treatment method for boiler accessory after casting and molding - Google Patents
Surface treatment method for boiler accessory after casting and molding Download PDFInfo
- Publication number
- CN112059737A CN112059737A CN202010972181.XA CN202010972181A CN112059737A CN 112059737 A CN112059737 A CN 112059737A CN 202010972181 A CN202010972181 A CN 202010972181A CN 112059737 A CN112059737 A CN 112059737A
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- Prior art keywords
- straight
- platform
- flat grinding
- plate
- accessories
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Classifications
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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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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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
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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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
- B24B47/00—Drives or gearings; Equipment therefor
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/14—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by liquid or gas pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention provides a surface treatment method after casting and molding of boiler accessories, which uses a surface treatment device, wherein the device comprises an engagement and rotation clamping mechanism, a flat grinding mechanism and a platform straight plate, wherein the engagement and rotation clamping mechanism is installed on the platform straight plate, the flat grinding mechanism is arranged right above the engagement and rotation clamping mechanism, and the flat grinding mechanism is installed on the platform straight plate; the invention can solve the problem that the surface of the chain wheel grate segment is usually made of cast iron, and because of casting technology after the chain wheel grate segment is produced in a factory, sand grains which are difficult to remove are adhered to the surface of a casting and are called as bonded sand, the bonded sand affects the appearance of the casting, increases the workload of cleaning and cutting the casting, and even affects the service life of a machine, so that the surface of the chain wheel grate segment needs to be polished, and the surface quality of the chain wheel grate segment is increased.
Description
Technical Field
The invention relates to the technical field of boiler accessories, in particular to a surface treatment method for a boiler accessory after casting and molding.
Background
A boiler or an industrial furnace is a unit for stacking and efficiently burning solid fuel. The whole fire grate mainly comprises a frame and a fire grate segment. The grate segments are usually made of cast iron, the necessary ventilation gaps are maintained between the segments after assembly, and separate ventilation chambers capable of adjusting air volume are arranged below the grate so that air can enter the fuel layer through the gaps for combustion. The burnt ash is discharged by manual or mechanical method. The fire grate is of a fixed type, a movable type, a reciprocating type, a vibrating type, a underfeed type and the like;
the chain wheel grate segment is usually made of cast iron, and because of a casting process after being produced in a factory, sand grains which are difficult to remove are adhered to the surface of a casting and are called sticky sand, the sticky sand affects the appearance of the casting, increases the workload of cleaning and cutting the casting, and even affects the service life of a machine, so that the surface of the chain wheel grate segment needs to be polished, and the surface quality of the chain wheel grate segment is increased.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme that a surface treatment method after the boiler accessory is cast and molded uses a surface treatment device, the device comprises an engagement and rotation clamping mechanism, a flat grinding mechanism and a platform straight plate, the engagement and rotation clamping mechanism is installed on the platform straight plate, the flat grinding mechanism is arranged right above the engagement and rotation clamping mechanism, and the flat grinding mechanism is installed on the platform straight plate, wherein:
the surface treatment method for the boiler fittings after casting and forming by using the surface treatment equipment comprises the following steps;
collecting accessories, namely uniformly collecting the cast and molded accessories and intensively conveying the collected accessories to a specified working position;
placing the accessories in the step one, placing the accessories on the surface treatment equipment in order, and fixedly clamping the accessories through an engagement and rotation clamping mechanism;
surface treatment, namely polishing the surface of the accessory fixed by the meshing clamping mechanism by a flat grinding mechanism;
step four, collecting and stacking, taking out the accessories subjected to surface treatment in step three from the surface treatment equipment, checking the surface polishing condition of the accessories, and uniformly stacking the qualified accessories:
the meshing and rotating clamping mechanism comprises a horizontal slide rail, a linkage slide plate, a spur rack, a straight gear, a clamping unit and an execution cylinder; the horizontal sliding rail is symmetrically arranged on the platform straight plate through a pin bolt, a linkage sliding plate is arranged on the horizontal sliding rail in a sliding fit mode, the bottom end face of the linkage sliding plate is provided with a plurality of groups of straight racks which are linearly distributed along the length direction of the linkage sliding plate through bolts, the straight racks and the straight gears are mutually meshed and rotatably connected, the straight gears are uniformly arranged on the platform straight plate through bearings, a clamping unit is arranged on the straight gears through the pin bolt, the execution cylinder is arranged on the platform straight plate through a cylinder seat, and the output shaft of the execution cylinder is mutually connected with the linkage sliding plate through a floating joint; the linkage sliding plate is driven to move on the horizontal sliding rail through the execution cylinder, so that the straight rack is meshed with the rotating straight gear to realize the forward and reverse rotation of the clamping unit.
The clamping unit comprises; the device comprises a platform square frame, a fixed clamping plate, a central cam, an eccentric cam, a connecting rod, a spherical grab handle and a cylindrical spring; the square platform frame is installed on a straight gear through a pin bolt, a fixed clamping plate is arranged on the square platform frame, a central cam is installed at the upper end of the middle of the square platform frame through a bearing with a seat, eccentric cams are evenly arranged in the circumferential direction of the central cam and are installed on the square platform frame through bearings, the eccentric cams and the central cam are mutually rotated and abutted, a connecting rod is installed at the bottom shaft end of the central cam through a hinge pin, a spherical grab handle is installed at one end shaft head of the connecting rod through the hinge pin, one end shaft head of a cylindrical spring is installed on the square platform frame through a spring support, and the other end shaft head of the cylindrical spring is mutually connected with the connecting rod through the spring support; thereby through the inboard of connecting rod rotation center cam and the tight work piece of eccentric cam butt clamp, use cylindrical spring to produce clamping-force through the spring force, the spherical grab handle operatable ninety degrees folding of using puts into fixed cardboard through folding down and locks.
The flat grinding mechanism comprises a vertical plate stand, a lifting shaft lever, a grab handle straight rod, an extension spring, an upper sliding support, a booster wheel and a flat grinding unit; the vertical plate stand is arranged on a platform vertical plate, the outer walls of two sides of the vertical plate stand are provided with lifting shaft rods through hinge pins, a grab handle straight rod is arranged between the two lifting shaft rods, shaft heads at two ends of the grab handle straight rod penetrate through the lifting shaft rods, one end shaft head of an extension spring is arranged on the vertical plate stand through a spring support, the shaft head at the other end of the extension spring is connected with an upper sliding support through the spring support, the upper sliding support is arranged on the vertical plate stand through a sliding fit mode, the outer walls of two sides of the upper sliding support are provided with power-assisted wheels through bearings, the power-assisted wheels are connected with the lifting shaft rods through a rolling butt mode, and the upper sliding support is provided with a plurality of groups of flat grinding units which are linearly distributed along the length direction of the upper sliding support; the straight rod of the grab handle pulls the lifting shaft rod to descend to be in rolling butt joint with the power-assisted wheel, the upper sliding support is pushed to slide and ascend on the vertical plate stand, and the extension spring plays a role in pulling all the time.
The flat grinding unit comprises a fixed straight plate, a guide shaft lever and a flat grinding pressing block; the fixed straight plate is arranged on the inner wall of the upper sliding support, the fixed straight plate is symmetrically provided with guide shaft rods through pin bolts, and the bottom shaft ends of the guide shaft rods are provided with flat grinding pressing blocks in a sliding fit mode; the guide shaft lever plays a role in guiding, resisting and cushioning through the fact that the flat grinding pressing block is in close contact with the grinding surface.
Preferably; the platform square frame and the eccentric cam are provided with positioning pins, the platform square frame and the eccentric cam are provided with the positioning pins, the eccentric cam rotating position can be conveniently abutted and positioned, the torsion spring is arranged in the eccentric cam, and the torsion spring is abutted and positioned to the positioning pins, so that the eccentric cam is always in contact with the central cam, and the eccentric cam rotating direction can be conveniently reset.
Preferably; the bottom terminal surface of flat grinding briquetting is clearance fit design, will the bottom terminal surface of flat grinding briquetting establishes to clearance fit design, is convenient for with sprocket fire grate piece in close contact with, makes flat grinding briquetting and the unsmooth inseparable laminating of sprocket fire grate piece through clearance fit to accurate area of contact of polishing improves the quality of polishing effect.
Advantageous effects
The clamping unit clamps the outer side of a workpiece which cannot be contacted during grinding operation, the connecting rod rotates the central cam to be abutted against the eccentric cam so as to clamp the inner side of the workpiece, the cylindrical spring generates clamping force through spring force, the used spherical grab handle can be folded by ninety degrees and is placed into the fixed clamping plate to be locked through downward folding, and the clamping and positioning are prevented from being released during grinding operation.
The friction resistance of the lifting shaft rod during hinged rotation is reduced through the power-assisted wheel, the smoothness of the upper sliding support during lifting movement is improved through the rolling and abutting of the power-assisted wheel and the lifting shaft rod, the straight rod of the grab handle can be conveniently manually held to lift and move, and the friction resistance of manual operation is reduced.
The straight gear is meshed with the straight gear to rotate so as to realize forward and reverse rotation reciprocating execution of the clamping sprocket fire grate segment, the surface polishing effect of the sprocket fire grate segment is improved, and the surface of the sprocket fire grate segment is tightly attached through the flat polishing unit, so that the contact area is accurately polished, and the polishing quality is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the operation of the present invention;
FIG. 2 is a schematic view of the left side perspective of the home position of the present invention;
FIG. 3 is a schematic representation of the right-side perspective of the home position of the present invention;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 3;
FIG. 5 is a schematic bottom perspective view of the present invention;
FIG. 6 is a schematic view of the plan view position of the present invention;
FIG. 7 is an enlarged view of a portion of the invention at B in FIG. 6;
FIG. 8 is a perspective view of the clamping unit of the present invention in a rear view position;
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 8, a surface treatment method for boiler fittings after casting molding uses a surface treatment device, which comprises an engaging and rotating clamping mechanism 1, a flat grinding mechanism 2 and a flat plate 3, wherein the engaging and rotating clamping mechanism 1 is installed on the flat plate 3, the flat grinding mechanism 2 is arranged right above the engaging and rotating clamping mechanism 1, and the flat grinding mechanism 2 is installed on the flat plate 3, wherein:
the surface treatment method for the boiler fittings after casting and forming by using the surface treatment equipment comprises the following steps;
collecting accessories, namely uniformly collecting the cast and molded accessories and intensively conveying the collected accessories to a specified working position;
placing the accessories in the step one, placing the accessories on the surface treatment equipment in order, and fixedly clamping the accessories through the meshing clamping mechanism 1;
surface treatment, namely, polishing the surface of the accessory fixed by the meshing clamping mechanism 1 by a flat grinding mechanism 2;
collecting and stacking, namely taking the accessories subjected to the surface treatment in the step three out of the surface treatment equipment, checking the surface polishing condition of the accessories, and uniformly stacking the qualified accessories;
the meshing clamping mechanism 1 comprises a horizontal slide rail 10, a linkage slide plate 11, a spur rack 12, a spur gear 13, a clamping unit 14 and an execution cylinder 15; the horizontal sliding rail 10 is symmetrically installed on the platform straight plate 3 through a pin bolt, a linkage sliding plate 11 is arranged on the horizontal sliding rail 10 in a sliding fit mode, a plurality of groups of straight racks 12 which are linearly distributed along the length direction of the linkage sliding plate 11 are arranged on the bottom end face of the linkage sliding plate 11 through bolts, the straight racks 12 are in meshed rotary connection with a straight gear 13, the straight gear 13 is evenly installed on the platform straight plate 3 through a bearing, a clamping unit 14 is installed on the straight gear 13 through the pin bolt, an execution cylinder 15 is installed on the platform straight plate 3 through a cylinder seat, and an output shaft of the execution cylinder 15 is connected with the linkage sliding plate 11 through a floating joint; the linkage sliding plate 11 is driven to move on the horizontal sliding rail 10 through the actuating cylinder 15, so that the spur rack 12 is meshed with the rotating spur gear 13 to realize the forward and reverse rotation actions of the clamping unit 14.
The clamping unit 14 comprises; a platform square frame 141, a fixed clamping plate 142, a central cam 143, an eccentric cam 144, a connecting rod 145, a spherical grab handle 146 and a cylindrical spring 147; the platform square frame 141 is installed on the straight gear 13 through a pin bolt, a fixing clamping plate 142 is arranged on the platform square frame 141, the central cam 143 is installed at the upper end of the middle part of the platform square frame 141 through a bearing with a seat, eccentric cams 144 are evenly arranged around the circumferential direction of the central cam 143, the eccentric cams 144 are installed on the platform square frame 141 through bearings, the eccentric cams 144 and the central cam 143 are mutually rotated and abutted, positioning pins are arranged on the platform square frame 141 and the eccentric cams 144, the abutting positioning of the rotating positions of the eccentric cams 144 is facilitated, a torsion spring is arranged in the eccentric cams 144, and the eccentric cams 144 are always contacted with the central cam 143 through the abutting positioning pins of the torsion spring, so that the rotating directions of the eccentric cams 144 are conveniently reset; the connecting rod 145 is installed on the bottom shaft end of the central cam 143 through a hinge pin, a shaft head at one end of the connecting rod 145 is provided with a spherical grab handle 146 through a hinge pin, a shaft head at one end of the cylindrical spring 147 is installed on the platform square frame 141 through a spring support, and a shaft head at the other end of the cylindrical spring 147 is connected with the connecting rod 145 through a spring support; the inner side of the workpiece is clamped by rotating the central cam 143 against the eccentric cam 144 by the link 145, the clamping force is generated by the spring force using the cylindrical spring 147, and the knob 146 used operates a ninety degree fold, locking by folding down into the fixed catch plate 142.
The flat grinding mechanism 2 comprises a vertical plate stand 20, a lifting shaft rod 21, a grab handle straight rod 22, an extension spring 23, an upper sliding support 24, a booster wheel 25 and a flat grinding unit 26; the vertical plate stand 20 is arranged on the platform vertical plate 3, the outer walls of two sides of the vertical plate stand 20 are provided with a lifting shaft rod 21 through a hinge pin, a grab handle straight rod 22 is arranged between the two lifting shaft rods 21, the two end shaft heads of the grab handle straight rod 22 penetrate through the interior of the lifting shaft rod 21, one end shaft head of the extension spring 23 is arranged on the vertical plate stand 20 through a spring support, the other end shaft head positioned on the extension spring 23 is mutually connected with the upper sliding support 24 through a spring support, the upper sliding support 24 is arranged on the vertical plate stand 20 in a sliding fit manner, the outer walls of the two sides of the upper sliding support 24 are provided with a power-assisted wheel 25 through a bearing, the boosting wheel 25 is connected with the lifting shaft rod 21 in a rolling abutting mode, and a plurality of groups of flat grinding units 26 which are linearly distributed along the length direction of the upper sliding support 24 are arranged on the upper sliding support; the straight grab handle rod 22 pulls the lifting shaft rod 21 to descend to be in rolling contact with the power assisting wheel 25, the upper sliding support 24 is pushed to slide and lift on the vertical plate frame 20, and the extension spring 23 plays a role of pulling all the time.
The flat grinding unit 26 comprises a fixed straight plate 261, a guide shaft 262 and a flat grinding pressing block 263; the fixed straight plate 261 is installed on the inner wall of the upper sliding support 24, the guide shaft rods 262 are symmetrically installed on the fixed straight plate 261 through pin bolts, flat grinding pressing blocks 263 are arranged at the bottom shaft ends of the guide shaft rods 262 in a sliding fit mode, the bottom end faces of the flat grinding pressing blocks 263 are in a clearance fit design, the flat grinding pressing blocks 263 are convenient to be in close contact with the chain wheel fire grate segments, the flat grinding pressing blocks 263 are in concave-convex close fit with the chain wheel fire grate segments through clearance fit, therefore, the contact area of polishing is accurate, and the polishing quality effect is improved; the guide shaft 262 serves to guide, push, and dampen vibrations by the flat grinding block 263 closely contacting the grinding surface.
The surface treatment equipment is characterized in that the surface polishing treatment process after the boiler accessory is cast and molded is as follows:
the inner side of the workpiece is clamped by first rotating the central cam 143 into abutment with the eccentric cam 144 by the link 145, the clamping force is generated by spring force using the cylindrical spring 147, the knob 146 used can operate a ninety degree fold, locking by folding down into the fixed catch plate 142;
then, the linkage sliding plate 11 is driven to move on the horizontal sliding rail 10 through the execution cylinder 15, so that the spur rack 12 is meshed with the rotation spur gear 13 to realize the forward and reverse rotation of the clamping unit 14; then the straight rod 22 of the grab handle pulls the lifting shaft rod 21 to descend to be in rolling contact with the power-assisted wheel 25, the upper sliding support 24 is pushed to slide and lift on the vertical plate frame 20, and the extension spring 23 plays a role in pulling all the time;
and finally, tightly contacting and polishing through a flat grinding pressing block 263.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A surface treatment method for boiler accessories after casting and forming uses a surface treatment device which comprises a meshing and rotating clamping mechanism (1), a flat grinding mechanism (2) and a flat plate (3), and is characterized in that: platform straight board (3) on install and to nibble fixture (1) of changeing, be located to nibble and to change fixture (1) directly over be provided with flat grinding machine structure (2), flat grinding machine structure (2) install on platform straight board (3), wherein:
the surface treatment method for the boiler fittings after casting and forming by using the surface treatment equipment comprises the following steps;
collecting accessories, namely uniformly collecting the cast and molded accessories and intensively conveying the collected accessories to a specified working position;
placing the accessories in the step one, placing the accessories on the surface treatment equipment in order, and fixedly clamping the accessories through the meshing clamping mechanism (1);
surface treatment, namely polishing the surface of the accessory fixed by the meshing clamping mechanism (1) through a flat grinding mechanism (2);
collecting and stacking, namely taking the accessories subjected to the surface treatment in the step three out of the surface treatment equipment, checking the surface polishing condition of the accessories, and uniformly stacking the qualified accessories;
the meshing and rotating clamping mechanism (1) comprises a horizontal slide rail (10), a linkage slide plate (11), a spur rack (12), a spur gear (13), a clamping unit (14) and an execution cylinder (15); the horizontal sliding rail (10) is symmetrically installed on a platform straight plate (3) through a pin bolt, a linkage sliding plate (11) is arranged on the horizontal sliding rail (10) in a sliding fit mode, a plurality of groups of straight racks (12) which are linearly distributed along the length direction of the linkage sliding plate (11) are arranged on the bottom end face of the linkage sliding plate through bolts, the straight racks (12) and a straight gear (13) are in meshed rotary connection with each other, the straight gear (13) is uniformly installed on the platform straight plate (3) through a bearing, a clamping unit (14) is installed on the straight gear (13) through the pin bolt, an execution cylinder (15) is installed on the platform straight plate (3) through a cylinder seat, and an output shaft of the execution cylinder (15) is connected with the linkage sliding plate (11) through a floating joint;
the clamping unit (14) comprises; the device comprises a platform square frame (141), a fixed clamping plate (142), a central cam (143), an eccentric cam (144), a connecting rod (145), a spherical grab handle (146) and a cylindrical spring (147); the platform square frame (141) is arranged on the straight gear (13) through a pin bolt, a fixed clamping plate (142) is arranged on the platform square frame (141), the central cam (143) is arranged at the upper end of the middle part of the platform square frame (141) through a bearing with a seat, and eccentric cams (144) are uniformly arranged around the circumferential direction of the central cam (143), the eccentric cam (144) is arranged on the platform square frame (141) through a bearing, the eccentric cam (144) and the central cam (143) are mutually rotated and abutted, the connecting rod (145) is arranged on the bottom shaft end of the central cam (143) through a hinge pin, a shaft head at one end of the connecting rod (145) is provided with a spherical grab handle (146) through the hinge pin, one end shaft head of the cylindrical spring (147) is installed on the platform square frame (141) through a spring support, and the other end shaft head positioned on the cylindrical spring (147) is connected with the connecting rod (145) through the spring support.
2. The method for treating the surface of the boiler accessory after casting according to claim 1, wherein the method comprises the following steps: the flat grinding mechanism (2) comprises a vertical plate stand (20), a lifting shaft lever (21), a grab handle straight lever (22), an extension spring (23), an upper sliding support (24), a booster wheel (25) and a flat grinding unit (26); the vertical plate stand (20) is arranged on a platform vertical plate (3), the outer walls of two sides of the vertical plate stand (20) are provided with lifting shaft rods (21) through hinge pins, a grab handle straight rod (22) is arranged between the two lifting shaft rods (21), shaft heads at two ends of the grab handle straight rod (22) penetrate through the lifting shaft rods (21), one end of a shaft head of an extension spring (23) is arranged on the vertical plate stand (20) through a spring support, the other end of the shaft head positioned on the extension spring (23) is connected with an upper sliding support (24) through a spring support, the upper sliding support (24) is arranged on the vertical plate stand (20) in a sliding fit mode, the outer walls of two sides of the upper sliding support (24) are provided with assisting wheels (25) through bearings, and the assisting wheels (25) are connected with the lifting shaft rods (21) in a rolling butt joint mode, the upper sliding support (24) is provided with a plurality of groups of flat grinding units (26) which are linearly distributed along the length direction.
3. The method for treating the surface of the boiler accessory after casting according to claim 2, wherein the method comprises the following steps: the flat grinding unit (26) comprises a fixed straight plate (261), a guide shaft lever (262) and a flat grinding pressing block (263); fixed straight board (261) install on the inner wall of going up slide bracket (24), fixed straight board (261) on install guiding axle pole (262) through the cotter symmetry, the bottom axle head of guiding axle pole (262) is provided with flat grinding briquetting (263) through sliding fit mode.
4. The method for treating the surface of the boiler accessory after casting according to claim 1, wherein the method comprises the following steps: and positioning pins are arranged on the platform square frame (141) and the eccentric cam (144).
5. The method for treating the surface of the boiler accessory after casting according to claim 3, wherein the method comprises the following steps: the bottom end face of the flat grinding pressing block (263) is in clearance fit design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010972181.XA CN112059737A (en) | 2020-09-16 | 2020-09-16 | Surface treatment method for boiler accessory after casting and molding |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010972181.XA CN112059737A (en) | 2020-09-16 | 2020-09-16 | Surface treatment method for boiler accessory after casting and molding |
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| CN112059737A true CN112059737A (en) | 2020-12-11 |
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| CN202010972181.XA Pending CN112059737A (en) | 2020-09-16 | 2020-09-16 | Surface treatment method for boiler accessory after casting and molding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116690152A (en) * | 2023-08-08 | 2023-09-05 | 兴化市盛大精密铸钢有限公司 | Boiler accessory assembly machine |
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