CN114952589A - Deburring grinding device for straight-groove heat-dissipation type cast motor shell - Google Patents
Deburring grinding device for straight-groove heat-dissipation type cast motor shell Download PDFInfo
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- CN114952589A CN114952589A CN202210598840.7A CN202210598840A CN114952589A CN 114952589 A CN114952589 A CN 114952589A CN 202210598840 A CN202210598840 A CN 202210598840A CN 114952589 A CN114952589 A CN 114952589A
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- 238000000227 grinding Methods 0.000 title claims abstract description 66
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 23
- 239000004576 sand Substances 0.000 claims abstract description 62
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000005498 polishing Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000007547 defect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 244000035744 Hura crepitans Species 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007528 sand casting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
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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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/12—Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
- B24B31/16—Means for separating the workpiece from the abrasive medium at the end of operation
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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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/14—Casings; Enclosures; Supports
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a deburring and polishing device for a straight-groove heat-dissipation type cast motor shell, which comprises a clamping piece, a clamping seat, a transverse pushing hydraulic rod, an L-shaped pedestal, a lifting hydraulic rod, an inflating column and a turntable, wherein a rotating shaft and a driving motor are arranged on the bottom surface of the turntable, the bottom surface of the clamping seat is in sliding fit with the surface of the L-shaped pedestal, and the clamping seat and the L-shaped pedestal are in sliding fit with the inner wall of a grinding box. According to the invention, the structural characteristics of the straight-groove heat-dissipation type cast motor shell are utilized, a special clamping piece attached to a radiating fin of the motor shell is adopted to clamp and lift the motor shell, then the pressure is reduced to enable the motor shell to slide along with the dead weight, and one-time sliding friction polishing is carried out; then, the sand is impacted on the inflatable column through sliding, extruded and tightly wrapped on the inflatable column, so that a motor shell is supported in the inflatable column, and the motor shell is stirred and polished to complete full polishing through rotation of the turntable; in addition, the clamping process can be used for detecting the compressive strength of the motor casing.
Description
Technical Field
The invention relates to the technical field of casting part polishing, in particular to a deburring and polishing device for a straight-groove heat-dissipation type cast motor shell.
Background
The defects of the motor shell produced by casting production, particularly sand casting production, are obvious, but most of the motor shells made of cast iron are produced by sand casting at present, polishing treatment is needed before passivation and paint spraying, but the heat dissipation sheet on the outer wall of the motor shell forms a groove shape, polishing is inconvenient, and the defects which are firmer are very difficult to treat.
In order to facilitate post-treatment of casting, most of the prior cast iron motor shells adopt straight-through groove-shaped radiating fins, namely, two ends of each radiating fin are almost flush with two end surfaces of the motor shell, screw holes or pin holes are arranged on the two end surfaces of the motor shell, and the final motor shell structure is assembled by screws or pins and end covers on two sides.
Although relative to other shells with complex radiating fin structures, the motor shell of a through groove type is convenient to process, but firm defects such as burrs, bulges, slag inclusion and the like need to be processed manually and firmly, scratch and even damage are easily caused due to poor processing, the corrosion resistance and other stress qualities of the motor shell are seriously influenced, and the introduction of high-efficiency polishing equipment is urgently needed.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a deburring and grinding device for a straight-groove heat-dissipation type cast motor shell.
In order to achieve the purpose, the invention adopts the following technical scheme:
a deburring and polishing device for a straight-groove heat-dissipation type cast motor shell comprises clamping pieces used for clamping the outer side of a motor shell, clamping seats used for mounting the clamping pieces, transverse pushing hydraulic rods used for pushing the clamping seats, an L-shaped pedestal used for fixing the transverse pushing hydraulic rods, lifting hydraulic rods used for lifting the L-shaped pedestal, an inflation column used for clamping the inner side of the motor shell and a turntable used for driving the inflation column to rotate, wherein the two groups of L-shaped pedestals are symmetrically arranged on two sides of the turntable;
the bottom surfaces of the clamping seats are in sliding fit with the surface of the L-shaped pedestal, the side walls on the two sides of the clamping seats are in sliding fit with the inner side wall of the grinding box, the L-shaped side wall of the L-shaped pedestal is also in sliding fit with the inner side wall of the grinding box, and when the lifting hydraulic rod is shortest, the bottom surfaces of the L-shaped pedestal are attached to the inner bottom wall of the grinding box, so that two groups of clamping seats, the L-shaped pedestal and the bottom wall of the grinding box form a box-type cavity structure with relatively closed periphery, and later grinding treatment is facilitated;
a concave groove is formed on one side of the clamping seat far away from the transverse pushing hydraulic rod, a convex block clamped with the concave groove is arranged on one side of the clamping seat and fixed on the clamping seat through a pin, a polishing groove correspondingly attached to a radiating fin of the motor shell is arranged on the other side of the clamping seat, and the surface of the clamping seat and the inner wall of the polishing groove are both frosted surfaces which are used for friction polishing when the radiating fin falls and slides in the polishing groove, so that the deburring function is realized;
the outer wall of the inflating column is of a cone structure with a hemispherical top and a narrow top and a wide bottom, the outer diameter of the upper portion of the outer wall of the inflating column is smaller than the inner diameter of the motor shell, the outer diameter of the lower portion of the outer wall of the inflating column is larger than the inner diameter of the motor shell, an inflating valve is arranged at the bottom of the outer wall of the inflating column and used for inflating and inflating enough pressure, the motor shell can fall down and is tightly sleeved outside the inflating column, the inflating column and the motor shell on the inflating column can be driven to rotate when the turntable rotates, therefore, sand in the box type cavity structure can be stirred at a low speed, and the outer wall of the motor shell and the sand are fully rubbed and polished.
Preferably, the inflatable column is a hollow cavity structure made of thick-wall rubber, is bonded on the surface of the turntable after being subjected to hot-pressing and extrusion molding by a mold, and is checked for tightness.
Preferably, the bottom of the sand grinding box is provided with a sand discharge pipe for discharging sand in the sand grinding box.
Preferably, the surface gap that two clamping pieces are relative is embedded with pressure sensing piece to transmit to the sensor display screen through pre-buried wire on, the pressure value that shows is the pressure between clamping piece and the motor casing surface.
According to the deburring and grinding device for the straight-groove heat-dissipation type cast motor shell, a novel grinding method is formed in the using process, and the deburring and grinding device is specifically as follows:
s1, releasing the motor shell: enabling the internal pressure of the inflatable column to be 0.6-0.8MPa through an air pump, adjusting a lifting hydraulic rod to enable the bottom surface of the L-shaped pedestal to be attached to the bottom wall of the sand grinding box, adjusting transverse pushing hydraulic rods on two sides to enable the space between clamping pieces on two sides to be larger than the external width of the motor shell by at most 10mm, enabling the radiating fins of the motor shell to slide on the inflatable column from the top edges of the clamping pieces along grinding grooves of the clamping pieces;
s2, clamping the motor shell: meanwhile, the transverse pushing hydraulic rods on the two sides are slowly adjusted to enable the clamping pieces to be clamped and completely attached to the outer surface of the motor shell, the pressure between the clamping pieces and the motor shell is not less than 0.5MPa, the lifting hydraulic rods are adjusted accordingly, and the L-shaped pedestal is lifted to enable the motor shell to be separated from the inflating column;
s3, sliding the motor shell: slowly reducing the pressure of the transverse pushing hydraulic rods on the two sides to enable the pressure between the surface of the clamping piece and the surface of the motor shell to reach 0.05-0.1MPa, lightly tapping the top edge of the motor shell downwards by using a wooden hammer, slowly sliding down the motor shell after a moment and gradually accelerating under the action of gravity, rubbing the surface of the motor shell and the surface of the clamping piece, rubbing cooling fins of the motor shell in a polishing groove, and finally separating the motor shell from the clamping piece, colliding onto an inflatable column, extruding and tightly wrapping the inflatable column;
s4, stirring sand and grinding: adjusting a lifting hydraulic rod to enable the bottom surface of the L-shaped pedestal to be attached to the bottom wall of the sand grinding box, retracting the transverse pushing hydraulic rods on the two sides to enable the distance between the two clamping pieces to be larger than the width of the bevel edge of the motor shell, pouring sand into the box-type cavity structure, submerging the motor shell, starting a driving motor at the rotating speed of 15-30r/min, enabling the motor shell and the cooling fins thereof to stir the sand, and grinding for 5-10 min;
s5, sand discharge: adjusting a lifting hydraulic rod to enable the bottom surface of the L-shaped pedestal to be separated from the bottom wall of the sand grinding box, sucking sand by a sand sucking machine through a sand discharge pipe, blowing the surface of the motor shell by a blower to enable the surface of the motor shell to be basically free of sand sticking, basically discharging the sand in the sand grinding box to the greatest extent, opening an inflating valve to release the pressure, and taking out the motor shell.
Preferably, before step S2, the hydraulic pressure of the lateral pushing hydraulic rods on both sides is slowly increased to gradually increase the pressure of the clamping pieces on the motor casing to 1MPa, and it is observed whether the motor casing is deformed, and if the pressure is lower than 1MPa, the deformation proves that the motor casing belongs to a material with low compressive strength, that is, the compressive strength of the motor casing is detected before grinding.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the structural characteristics of the straight-groove heat-dissipation type cast motor shell are utilized, a special clamping piece attached to a radiating fin of the motor shell is adopted to clamp and lift the motor shell, then the pressure is reduced to enable the motor shell to slide along with the dead weight, and one-time sliding friction polishing is carried out; then, the sand is impacted on the inflatable column through sliding and is extruded and tightly wrapped on the inflatable column, the motor shell is supported in the inflatable column, and the motor shell is stirred and polished for sand through rotation of the rotary table, so that full polishing is completed. In addition, the clamping process can be used for detecting the compressive strength of the motor casing.
Drawings
Fig. 1 is a top view of a deburring and grinding device for a straight-slot heat-dissipation type cast motor housing according to the present invention;
fig. 2 is a first structural schematic diagram (motor housing throwing) of the deburring and grinding device for the straight-groove heat-dissipation type cast motor housing provided by the invention;
fig. 3 is a structural schematic diagram of a deburring and grinding device for a straight-slot heat-dissipation type cast motor housing according to the present invention (clamping of the motor housing);
fig. 4 is a schematic structural diagram of a deburring and grinding device for a straight-slot heat-dissipation type cast motor housing according to the present invention (the motor housing slides down);
fig. 5 is a schematic structural diagram of a deburring and grinding device for a straight-slot heat-dissipation type cast motor housing according to the present invention (sand stirring and grinding).
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a deburring and polishing device for a straight-slot heat-dissipation type cast motor shell comprises a clamping piece 2 for clamping the outer side of a motor shell 1, a clamping seat 3 for mounting the clamping piece 2, a transverse pushing hydraulic rod 4 for pushing the clamping seat 3, an L-shaped pedestal 5 for fixing the transverse pushing hydraulic rod 4, a lifting hydraulic rod 6 for lifting the L-shaped pedestal 5, an inflating column 7 for clamping the inner side of the motor shell 1 and a turntable 8 for driving the inflating column 7 to rotate, wherein the two groups of L-shaped pedestals 5 are symmetrically arranged on two sides of the turntable 8, the turntable 8 is arranged at the central position of a grinding box 9, a rotating shaft 10 is arranged at the center of the bottom surface of the turntable 8, the bottom end of the rotating shaft 10 is connected with a driving motor 11, the base of the driving motor 11 is arranged in a motor bin 12, the barrel body of the lifting hydraulic rod 6 and the motor cabin 12 support the sanding box 9, and the movable rod body of the lifting hydraulic rod 6 can freely lift in a smooth hole of the sanding box 9;
the bottom surface of the clamping seat 3 is in sliding fit with the surface of the L-shaped pedestal 5, the side walls of two sides of the clamping seat 3 are in sliding fit with the inner side wall of the grinding box 9, the L-shaped side wall of the L-shaped pedestal 5 is also in sliding fit with the inner side wall of the grinding box 9, when the lifting hydraulic rod 6 is shortest, the bottom surface of the L-shaped pedestal 5 is attached to the inner bottom wall of the grinding box 9, and therefore two groups of clamping seats 3, the L-shaped pedestal 5 and the bottom wall of the grinding box 9 form a box-type cavity structure with relatively closed periphery, and later grinding treatment is facilitated;
a concave groove is formed on one side of the clamping seat 3 away from the transverse pushing hydraulic rod 4, a convex block clamped with the concave groove is arranged on one side of the clamping piece 2 and fixed on the clamping seat 3 through a pin, a polishing groove 13 correspondingly attached to a radiating fin of the motor casing 1 is arranged on the other side of the clamping piece 2, and the surface of the clamping piece 2 and the inner wall of the polishing groove 13 are both frosted surfaces which are used for friction polishing when the radiating fin falls and slides in the polishing groove 13 to realize the deburring function;
the outer wall of the air charging column 7 is of a cone structure with a hemispherical top end and a narrow top and a wide bottom, the outer diameter of the upper part of the outer wall of the air charging column 7 is smaller than the inner diameter of the motor casing 1, the outer diameter of the lower part of the outer wall of the air charging column 7 is larger than the inner diameter of the motor casing 1, the valve 14 is arranged at the bottom of the outer wall of the air charging column 7 and used for inflating and inflating enough pressure, the motor casing 1 can fall down and is tightly sleeved outside the air charging column 7, the air charging column 7 and the motor casing 1 thereon can be driven to rotate when the turntable 8 rotates, therefore, sand in a low-speed stirring box type cavity structure can be stirred, and the outer wall of the motor casing 1 and the sand are fully rubbed and polished.
Referring to fig. 2, the air-filled column 7 is a hollow cavity structure made of thick-wall rubber, and is bonded to the surface of the turntable 8 after being hot-pressed and extrusion molded by a mold, and the sealing performance is tested.
Referring to fig. 2, the bottom of the sand box 9 is provided with a sand discharge pipe 15 for discharging sand in the sand box 9.
Referring to fig. 2, the pressure sensing piece is embedded in the surface gap where the two clamping pieces 2 are opposite to each other and is transmitted to the sensor display screen through the embedded wire, and the display pressure value is the pressure between the clamping pieces 2 and the surface of the motor casing 1.
Referring to fig. 2 to 5, according to the deburring and polishing device for the straight-groove heat-dissipation type cast motor housing, a novel polishing method is formed in the using process, and the method specifically comprises the following steps:
s1, releasing the motor shell: the internal pressure of an inflatable column 7 is 0.6-0.8MPa through an air pump, a lifting hydraulic rod 6 is adjusted, the bottom surface of an L-shaped pedestal 5 is attached to the bottom wall of a sand grinding box 9, transverse pushing hydraulic rods 4 on two sides are adjusted, the distance between clamping pieces 2 on two sides is larger than the external width of a motor casing 1 by 10mm at most, radiating fins of the motor casing 1 are along grinding grooves 13 of the clamping pieces 2, and the motor casing 1 is placed on the inflatable column 7 in a sliding mode from the top edge of the clamping pieces 2;
s2, clamping the motor shell: meanwhile, the transverse pushing hydraulic rods 4 on the two sides are slowly adjusted to enable the clamping pieces 2 to be clamped and completely attached to the outer surface of the motor shell 1, the pressure between the clamping pieces 2 and the motor shell 1 is not less than 0.5MPa, and then the lifting hydraulic rods 6 are adjusted to lift the L-shaped pedestal 5 to enable the motor shell 1 to be separated from the inflating column 7;
s3, sliding the motor shell: the pressure of the transverse pushing hydraulic rods 4 on the two sides is slowly reduced to enable the pressure between the surface of the clamping piece 2 and the surface of the motor shell 1 to reach 0.05-0.1MPa, a wooden hammer is adopted to tap the top edge of the motor shell 1 downwards, the motor shell 1 slowly slides down after a moment and is gradually accelerated under the action of gravity, the surface of the motor shell 1 and the surface of the clamping piece 2 are rubbed, radiating fins of the motor shell are rubbed in a polishing groove 13, and finally the motor shell 1 is separated from the clamping piece 2, collides onto the inflatable column 7, is squeezed and tightly wraps the inflatable column 7;
s4, stirring sand and grinding: adjusting a lifting hydraulic rod 6 to enable the bottom surface of an L-shaped pedestal 5 to be attached to the bottom wall of a sand grinding box 9, retracting the horizontal pushing hydraulic rods 4 on the two sides to enable the distance between the two clamping pieces 2 to be larger than the width of the bevel edge of the motor shell 1, pouring sand into the box-type cavity structure and submerging the motor shell 1, starting a driving motor 11 at the rotating speed of 15-30r/min to enable the motor shell 1 and the radiating fins thereof to stir the sand, and grinding for 5-10 min;
s5, sand discharge: adjusting the lifting hydraulic rod 6 to enable the bottom surface of the L-shaped pedestal 5 to be separated from the bottom wall of the sand grinding box 9, sucking sand by using a sand sucking machine in the sand discharge pipe 15, blowing the surface of the motor casing 1 by using a blower to ensure that the surface of the motor casing 1 is basically free of bonded sand, basically discharging sand in the sand grinding box 9, opening the inflating valve 14 to release pressure, and taking out the motor casing 1.
In addition, before step S2, the hydraulic pressure of the lateral pushing hydraulic rods 4 on both sides is slowly increased, so that the pressure of the clamping pieces 2 on the motor casing 1 is gradually increased to 1MPa, and whether the motor casing 1 is deformed is observed, and if the pressure is lower than 1MPa, the deformation proves that the motor casing 1 belongs to a material with low compressive strength, that is, the compressive strength of the motor casing 1 is detected before grinding.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A deburring and grinding device for a straight-groove heat-dissipation type cast motor shell comprises clamping pieces (2) used for clamping the outer side of a motor shell (1), clamping seats (3) used for installing the clamping pieces (2), a transverse pushing hydraulic rod (4) used for pushing the clamping seats (3), an L-shaped pedestal (5) used for fixing the transverse pushing hydraulic rod (4), lifting hydraulic rods (6) used for lifting the L-shaped pedestal (5), an inflating column (7) used for clamping the inner side of the motor shell (1) and a turntable (8) used for driving the inflating column (7) to rotate, and is characterized in that two groups of the L-shaped pedestals (5) are symmetrically arranged on two sides of the turntable (8), the turntable (8) is arranged at the central position of a sand grinding box (9), a rotating shaft (10) is arranged at the center of the bottom surface of the turntable (8), a driving motor (11) is connected to the bottom end of the rotating shaft (10), and a base of the driving motor (11) is installed in a motor bin (12), the sand grinding box (9) is supported by the barrel body of the lifting hydraulic rod (6) and the motor bin (12), and the movable rod body of the lifting hydraulic rod (6) can freely lift in a smooth hole of the sand grinding box (9);
the bottom surfaces of the clamping seats (3) are in sliding fit with the surface of the L-shaped pedestal (5), the side walls of two sides of each clamping seat (3) are in sliding fit with the inner side wall of the sand grinding box (9), the L-shaped side wall of each L-shaped pedestal (5) is also in sliding fit with the inner side wall of the sand grinding box (9), and when the lifting hydraulic rod (6) is shortest, the bottom surfaces of the L-shaped pedestals (5) are attached to the inner bottom wall of the sand grinding box (9), so that two groups of clamping seats (3), the L-shaped pedestals (5) and the bottom wall of the sand grinding box (9) form a box-type cavity structure with relatively closed periphery;
a concave groove is formed in one side, away from the transverse pushing hydraulic rod (4), of the clamping seat (3), a convex block clamped with the concave groove is arranged on one side of the clamping piece (2) and fixed on the clamping seat (3) through a pin, a grinding groove (13) correspondingly attached to a radiating fin of the motor shell (1) is arranged on the other side of the clamping piece (2), and the surface of the clamping piece (2) and the inner wall of the grinding groove (13) are ground surfaces;
the outer wall of the inflatable column (7) is of a cone structure with a hemispherical top and a narrow top and a wide bottom, the outer diameter of the upper part of the outer wall of the inflatable column (7) is smaller than the inner diameter of the motor casing (1), the outer diameter of the lower part of the outer wall of the inflatable column (7) is larger than the inner diameter of the motor casing (1), and the air valve (14) is arranged at the bottom of the outer wall of the inflatable column (7).
2. The deburring and grinding device for the straight slot heat dissipation type cast motor shell as claimed in claim 1, wherein the gas-filled column (7) is a hollow cavity structure made of thick-wall rubber.
3. The deburring and grinding device for the straight slot heat dissipation type casting motor shell as claimed in claim 1, wherein a sand discharge pipe (15) is arranged at the bottom of the sand grinding box (9).
4. The deburring and grinding device for the straight slot heat dissipation type cast motor shell as claimed in claim 1, characterized in that a pressure sensing piece is embedded in a gap between the opposite surfaces of the two clamping pieces (2).
5. The deburring grinding device for the straight slot heat-dissipation type cast motor shell as claimed in claim 1, characterized in that the use process is as follows:
s1, releasing the motor shell: the internal pressure of the inflatable column (7) is 0.6-0.8MPa through an air pump, a lifting hydraulic rod (6) is adjusted, the bottom surface of an L-shaped pedestal (5) is attached to the bottom wall of a sand grinding box (9), transverse pushing hydraulic rods (4) on two sides are adjusted, the distance between clamping pieces (2) on two sides is larger than the external width of the motor shell (1) by at most 10mm, radiating fins of the motor shell (1) are arranged along grinding grooves (13) of the clamping pieces (2), and the motor shell (1) is slid onto the inflatable column (7) from the top edge of the clamping pieces (2);
s2, clamping the motor shell: meanwhile, the transverse pushing hydraulic rods (4) on the two sides are slowly adjusted to enable the clamping piece (2) to be clamped and completely attached to the outer surface of the motor shell (1), the pressure between the clamping piece (2) and the motor shell (1) is not less than 0.5MPa, the lifting hydraulic rod (6) is adjusted accordingly, and the L-shaped pedestal (5) is lifted to enable the motor shell (1) to be separated from the inflating column (7);
s3, sliding the motor shell: the pressure of the transverse pushing hydraulic rods (4) on the two sides is slowly reduced to enable the pressure between the surface of the clamping piece (2) and the surface of the motor shell (1) to reach 0.05-0.1MPa, a wooden hammer is adopted to tap the top edge of the motor shell (1) downwards, the motor shell (1) slowly slides down after a moment and is gradually accelerated under the action of gravity, the surface of the motor shell (1) is rubbed with the surface of the clamping piece (2), cooling fins of the motor shell are rubbed in the polishing groove (13), and finally the motor shell (1) is separated from the clamping piece (2), is collided onto the inflatable column (7), is squeezed and expanded and wraps up the inflatable column (7);
s4, stirring sand and grinding: adjusting a lifting hydraulic rod (6), enabling the bottom surface of an L-shaped pedestal (5) to be attached to the bottom wall of a sand grinding box (9), retracting transverse pushing hydraulic rods (4) on two sides, enabling the distance between two clamping pieces (2) to be larger than the width of the bevel edge of a motor shell (1), pouring sand into the box-type cavity structure, submerging the motor shell (1), starting a driving motor (11) at the rotating speed of 15-30r/min, enabling the motor shell (1) and cooling fins thereof to stir the sand, and grinding for 5-10 min;
s5, sand discharge: adjusting a lifting hydraulic rod (6) to enable the bottom surface of the L-shaped pedestal (5) to be separated from the bottom wall of the sand grinding box (9), sucking sand by a sand sucking machine in a sand discharge pipe (15), blowing the surface of the motor casing (1) by a blower to enable the surface of the motor casing (1) to be basically free of adhering sand, basically discharging sand in the sand grinding box (9), opening an air valve (14) to release pressure, and taking out the motor casing (1).
6. The deburring and grinding device for the straight flute heat dissipation type cast motor casing as claimed in claim 5, wherein before the step S2, the hydraulic pressure of the lateral pushing hydraulic rods (4) on the two sides is slowly increased, so that the pressure of the clamping pieces (2) on the motor casing (1) is gradually increased to 1MPa, whether the motor casing (1) is deformed is observed, and if the pressure is lower than 1MPa, the deformation proves that the motor casing (1) belongs to a material with low compressive strength, namely the compressive strength of the motor casing (1) is detected before grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210598840.7A CN114952589B (en) | 2022-05-30 | 2022-05-30 | Deburring grinding device of straight flute heat dissipation type casting motor housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210598840.7A CN114952589B (en) | 2022-05-30 | 2022-05-30 | Deburring grinding device of straight flute heat dissipation type casting motor housing |
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| Publication Number | Publication Date |
|---|---|
| CN114952589A true CN114952589A (en) | 2022-08-30 |
| CN114952589B CN114952589B (en) | 2023-11-03 |
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| CN202210598840.7A Active CN114952589B (en) | 2022-05-30 | 2022-05-30 | Deburring grinding device of straight flute heat dissipation type casting motor housing |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| US20100164187A1 (en) * | 2007-03-06 | 2010-07-01 | The University Of Sheffield | Adaptive design of fixture for thin-walled shell/cylindrical components |
| CN104708534A (en) * | 2013-12-17 | 2015-06-17 | 北京有色金属研究总院 | Polishing method for major-diameter thin-wall metal tube stock |
| CN109648455A (en) * | 2018-12-18 | 2019-04-19 | 程郎 | A kind of arbitrary shape metal surface treating apparatus |
| CN111993262A (en) * | 2020-09-03 | 2020-11-27 | 浙江科惠医疗器械股份有限公司 | Medical hip mortar cup inner wall polishing machine |
| CN212684285U (en) * | 2020-08-18 | 2021-03-12 | 南京智达电气设备有限公司 | Expansion mandrel for horizontal processing of electroceramic blank |
| CN112792720A (en) * | 2021-01-14 | 2021-05-14 | 杭州永智信息科技有限公司 | Pneumatic high-adaptability cylindrical workpiece polishing device |
| CN113059428A (en) * | 2021-04-20 | 2021-07-02 | 孙雪峰 | Quick burring device of new energy automobile motor housing processing usefulness |
| CN216179243U (en) * | 2021-09-29 | 2022-04-05 | 莱阳市试压泵科技有限公司 | Grinding device is used in immersible pump processing |
| CN114346896A (en) * | 2021-12-30 | 2022-04-15 | 盐城安科液压机械有限公司 | Turning device with anti-skidding structure for production of hydraulic fittings |
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2022
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1253553A (en) * | 1969-02-10 | 1971-11-17 | Imp Knife Ass Co | Portable pneumatically operable clamp |
| US20100164187A1 (en) * | 2007-03-06 | 2010-07-01 | The University Of Sheffield | Adaptive design of fixture for thin-walled shell/cylindrical components |
| CN104708534A (en) * | 2013-12-17 | 2015-06-17 | 北京有色金属研究总院 | Polishing method for major-diameter thin-wall metal tube stock |
| CN109648455A (en) * | 2018-12-18 | 2019-04-19 | 程郎 | A kind of arbitrary shape metal surface treating apparatus |
| CN212684285U (en) * | 2020-08-18 | 2021-03-12 | 南京智达电气设备有限公司 | Expansion mandrel for horizontal processing of electroceramic blank |
| CN111993262A (en) * | 2020-09-03 | 2020-11-27 | 浙江科惠医疗器械股份有限公司 | Medical hip mortar cup inner wall polishing machine |
| CN112792720A (en) * | 2021-01-14 | 2021-05-14 | 杭州永智信息科技有限公司 | Pneumatic high-adaptability cylindrical workpiece polishing device |
| CN113059428A (en) * | 2021-04-20 | 2021-07-02 | 孙雪峰 | Quick burring device of new energy automobile motor housing processing usefulness |
| CN216179243U (en) * | 2021-09-29 | 2022-04-05 | 莱阳市试压泵科技有限公司 | Grinding device is used in immersible pump processing |
| CN114346896A (en) * | 2021-12-30 | 2022-04-15 | 盐城安科液压机械有限公司 | Turning device with anti-skidding structure for production of hydraulic fittings |
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|---|---|
| CN114952589B (en) | 2023-11-03 |
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