CN111745495B - Finish machining system and finish machining method for casting and molding pump body product - Google Patents
Finish machining system and finish machining method for casting and molding pump body product Download PDFInfo
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- CN111745495B CN111745495B CN202010672809.4A CN202010672809A CN111745495B CN 111745495 B CN111745495 B CN 111745495B CN 202010672809 A CN202010672809 A CN 202010672809A CN 111745495 B CN111745495 B CN 111745495B
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- 238000003754 machining Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000005266 casting Methods 0.000 title claims abstract description 11
- 238000000465 moulding Methods 0.000 title claims description 8
- 238000005498 polishing Methods 0.000 claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims description 37
- 239000007921 spray Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 230000009471 action Effects 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000272814 Anser sp. Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004548 suspo-emulsion Substances 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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
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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
- B24B27/0023—Other grinding machines or devices grinding machines with a plurality of working posts
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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
- B24B27/0046—Column grinding machines
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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
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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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
- B24B41/06—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
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a pump body product casting forming finish machining system and a finish machining method, which comprise a bottom plate and a plurality of groups of fixing devices arranged at the top of the bottom plate, wherein the fixing devices are linearly distributed along the length direction of the bottom plate, a support is erected above the bottom plate, and grinding devices which correspond to the fixing devices one by one are arranged at the bottom of the support. The feeding screw is rotated to drive the expansion core to move downwards so as to push the expansion block to move outwards, the pump shell is internally supported and fixed by the internal support block, the fixing is more stable relative to the external support, and the collision with an external polishing device is avoided.
Description
Technical Field
The invention relates to the technical field of pump body sprue gate excision, in particular to a finish machining system and a finish machining method for pump body product casting molding.
Background
The pump is a machine for conveying fluid or pressurizing fluid, and can transfer the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used for conveying liquid, such as water, oil, acid-base solution, emulsion, suspoemulsion and liquid metal, etc., and can also be used for conveying liquid, gas mixture and liquid containing suspended solid matter. The pump comprises pump case, impeller, pump shaft and motor, wherein set up the shaft hole on the pump case, still communicate there is the pipeline, and the pump case is the pouring and forms, and there is convex sprue gate on the pump case surface after the shaping, needs to excise the sprue gate.
When the pump shell is subjected to fine machining, the pump shell is inconvenient and unstable to fix due to the irregular shape of the pump shell, and the later sprue gate cutting work is not facilitated; secondly, when the pouring gate is cut, the pouring gate needs to be aligned with a cutter, and the position of the pouring gate is uncertain because the well-fixed pump shell pipeline direction is not necessarily completely consistent.
Therefore, the invention provides a finish machining system and a finish machining method for casting and molding pump body products.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: the utility model provides a pump body product casting shaping finish machining system, includes that bottom plate and multiunit set up the fixing device at the bottom plate top, and fixing device is linear distribution along the length direction of bottom plate, and the support has been erect to the top of bottom plate, and the bottom of support be provided with fixing device one-to-one's grinding device, its characterized in that: the fixing device comprises a first cylinder with two open ends, a top cover is arranged at the top of the first cylinder, the bottom of the first cylinder is fixed on a bottom plate, a plurality of groups of through holes distributed in an annular mode are formed in the outer wall of the first cylinder, expansion blocks are arranged in each group of through holes in a sliding mode, an expansion core is further arranged inside the first cylinder, the expansion core is of a round table-shaped structure with the diameter gradually increasing from bottom to top, one side, close to the expansion core, of the outer wall of each expansion block is inclined, and the expansion blocks are in contact with the outer wall of each expansion core;
the top of the expansion core is fixedly connected with a feeding screw rod, the feeding screw rod penetrates through the top of the top cover and is fixedly connected with the top cover in a threaded manner, the outer wall of the expansion block is fixedly connected with a connecting rod, the tail end of the connecting rod is fixedly connected with an inner supporting block, and the bottom of the inner supporting block is contacted with the bottom plate; the bracket comprises vertical plates symmetrically arranged at two ends of the top of the bottom plate and a truss erected between the two vertical plates, a water tank is fixedly arranged at the top of the truss, and the polishing device is positioned at the bottom of the truss;
the polishing device comprises a guide rod vertically arranged at the bottom of the truss and a limiting plate arranged at the bottom of the guide rod, a lifting ring is sleeved outside the guide rod in a sliding mode, a rotating ring is arranged outside the lifting ring in a rotating mode through a bearing, transverse plates are symmetrically arranged on the outer wall of the rotating ring, waist-shaped holes extending along the length direction of the transverse plates are formed in the top of the transverse plates, a motor is installed at the top of the transverse plates, an output end rotating shaft of the motor penetrates through the waist-shaped holes to be communicated downwards, and the tail end of the output end rotating shaft of the motor is fixedly connected with a polishing mechanism;
the grinding mechanism comprises a second cylinder with an opening at the bottom and a closed top and a plurality of groups of openings formed in the side wall of the second cylinder. The openings are distributed in an annular shape at the periphery of the second cylinder, the openings are distributed to the bottom of the second cylinder in an wild goose array mode, the bottom of the second cylinder is provided with a circular ring, a plurality of groups of polishing knives are arranged at the top of the circular ring, the outer annular surface of each polishing knife is fixedly connected with the inner wall of the second cylinder, the inner annular surface of each polishing knife is in an inclined shape, and the distance between the inner annular surface and the outer annular surface of each polishing knife is gradually reduced from top to bottom;
the outside of guide bar is located and is equipped with the spring between truss and the lift ring by the cover, and the both ends of spring respectively with truss and lift ring fixed connection, the bottom of diaphragm is close to the end and is provided with the shower nozzle, and the bottom of shower nozzle is buckled to grinding machanism's direction, and the top of shower nozzle is linked together through elastic hose and water tank, and the outer wall of shower nozzle is provided with the valve.
Preferably, the outer wall of the first cylinder is provided with a support plate below the through hole, and the top of the support plate is flush with the bottom of the through hole.
Preferably, the top of the expansion core is provided with a circular groove, the bottom end of the feeding screw rod extends into the circular groove and is fixedly connected with the circular groove, the top of the top cover is provided with a threaded hole corresponding to the position of the feeding screw rod, and the feeding screw rod penetrates through the threaded hole.
Preferably, the outer ring surface of the inner supporting block is arc-shaped, the top of the bottom plate is provided with a guide groove corresponding to the inner supporting block along the sliding direction of the inner supporting block, and the bottom of the inner supporting block is provided with a sliding block in sliding butt joint in the guide groove.
Preferably, the outer wall of guide bar is provided with the bar arch that the multiunit is annular and distributes, and the bar arch extends to the both ends of guide bar, and the inner wall of lift ring is seted up with protruding matched with bar recess of bar.
Preferably, the tail end of the transverse plate is provided with a hanging ring for hanging a balancing weight.
Preferably, the method for finishing the three pouring gates of the pump shell by using the pump body product casting and forming finishing system comprises the following steps:
s1 pump shell fixing: buckling a pump shell on a fixing device, enabling a feeding screw to penetrate through a shaft hole in the top of the pump shell, rotating the feeding screw, driving the expanding core to rotate by the feeding screw, simultaneously applying downward feeding force to the expanding core, driving the inner supporting block to slide outwards after the expanding block is subjected to the thrust of the expanding core until the outer wall of the inner supporting block is abutted against the inner wall of the pump shell, and then internally supporting and fixing the groups of inner supporting blocks in the pump shell;
s2 calibrating the grinding mechanism: the transverse plate is lifted upwards for a certain distance, the lifting ring is driven by the rotating ring to move upwards along the guide rod, the spring is compressed and contracted, the rotating ring is rotated to enable the polishing mechanism to rotate to the corresponding pouring gate, the external force applied to the transverse plate is removed, the lifting ring moves downwards along the guide rod under the elastic force action of the spring, the second cylinder is sleeved outside the pouring gate at the moment, and the polishing knife is in contact with the outer wall of the pouring gate;
s3 pouring gate polishing: the motor is started to drive the polishing mechanism to rotate, the polishing knife performs cutting and polishing on the pouring gate in the rotating process, and meanwhile, the lifting ring moves downwards along the guide rod under the action of the elastic force of the spring, so that the polishing knife is always abutted against the pouring gate;
s4 cooling the grinding mechanism: and opening a valve on the spray head, wherein water in the water tank flows to the spray head through the elastic hose, and is finally sprayed between the polishing mechanism and the pouring gate through the spray head to cool the polishing mechanism and the pouring gate.
Advantageous effects
1. The feeding screw is rotated to drive the expansion core to move downwards, so that the expansion block is pushed to move outwards, the inner support block is used for carrying out inner support fixing on the pump shell, the fixing is more stable relative to the outer support fixing, and the collision with an external polishing device is avoided;
2. the grinding mechanism is driven by the motor to rotate, so that the grinding knife can cut and grind the pouring gate, the grinding mechanism can rotate at any angle under the driving of the rotating ring, and the position of the grinding mechanism on the transverse plate can be adjusted, so that the grinding mechanism is suitable for pump cases with different sizes and specifications.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the base and fixture of the present invention;
FIG. 3 is a partial cutaway view of the fixation device of the present invention;
FIG. 4 is an enlarged schematic view of area A of FIG. 1 in accordance with the present invention;
FIG. 5 is a schematic view of the guide bar and cross plate assembly of the present invention;
figure 6 is a schematic diagram of the construction of the sharpening mechanism of the invention.
In the figure: 10. a base plate; 11. a guide groove; 20. a fixing device; 21. a first cylinder; 211. a through hole; 212. a support plate; 22. a top cover; 221. a threaded hole; 23. expanding blocks; 24. expanding the core; 25. a feed screw; 26. a connecting rod; 27. an inner support block; 30. a support; 31. a vertical plate; 32. a truss; 33. a water tank; 40. a polishing device; 41. a guide bar; 411. a strip-shaped bulge; 412. a limiting plate; 42. a lifting ring; 43. a rotating ring; 44. a transverse plate; 441. a kidney-shaped hole; 442. hanging a ring; 45. a motor; 46. a polishing mechanism; 461. a second cylinder; 462. a circular ring; 463. an opening; 464. polishing the knife; 47. a spring; 48. a spray head; 49. an elastic hose.
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 6, a pump body product casting, forming and finish machining system comprises a bottom plate 10 and a plurality of groups of fixing devices 20 arranged at the top of the bottom plate 10, wherein the fixing devices 20 are linearly distributed along the length direction of the bottom plate 10, a support 30 is erected above the bottom plate 10, and the bottom of the support 30 is provided with grinding devices 40 corresponding to the fixing devices 20 one by one; the fixing device 20 comprises a first cylinder 21 with two open ends, a top cover 22 is arranged at the top of the first cylinder 21, the bottom of the first cylinder 21 is fixed on the bottom plate 10, a plurality of groups of through holes 211 distributed in an annular shape are formed in the outer wall of the first cylinder 21, an expansion block 23 is arranged in each group of through holes 211 in a sliding manner, a support plate 212 is arranged below the through holes 211 on the outer wall of the first cylinder 21, and the top of the support plate 212 is flush with the bottom of the through holes 211; the first cylinder 21 is internally provided with an expansion core 24, the expansion core 24 is of a circular truncated cone-shaped structure with the diameter gradually increasing from bottom to top, one side, close to the expansion core 24, of the outer wall of the expansion block 23 is inclined, the expansion block 23 is in contact with the outer wall of the expansion core 24, the top of the expansion core 24 is provided with a circular groove, a feeding screw rod 25 is fixedly connected in the circular groove, the top of the top cover 22 is provided with a threaded hole 221 corresponding to the feeding screw rod 25, and the feeding screw rod 25 is in threaded connection with the through hole 211 and penetrates through the threaded hole 221 to be communicated to the upper side of the top cover 22;
the feeding screw rod 25 is rotated downwards, the feeding screw rod 25 drives the expansion core 24 to rotate and simultaneously supplies a downward feeding force to the expansion core 24, the expansion core 24 supplies an outward thrust to the expansion block 23 to push the expansion block 23 out of the through hole 211, the outer wall of the expansion block 23 is fixedly connected with a connecting rod 26, the tail end of the connecting rod 26 is fixedly connected with an inner supporting block 27, the outer ring surface of the inner supporting block 27 is arc-shaped, the bottom of the inner supporting block 27 is in contact with the bottom plate 10, the top of the bottom plate 10 is provided with a guide groove 11 corresponding to the inner supporting block 27 along the sliding direction of the inner supporting block 27, and the bottom of the inner supporting block 27 is provided with a sliding block in sliding butt joint with the guide groove 11; the expansion block 23 drives the inner supporting block 27 to slide along the guide groove 11 through the connecting rod 26, when the expansion block 23 slides out of the through hole 211, the supporting plate 212 plays a supporting role for the expansion block 23, the movable distance of the expansion block 23 is prolonged, the range of the inner supporting block 27 is further enlarged, when the pump shell is fixed, the pump shell is buckled on the fixing device 20, the feeding screw 25 penetrates through a shaft hole in the top of the pump shell, the feeding screw 25 is rotated to drive the expansion core 24 to move downwards, the expansion block 23 drives the inner supporting block 27 to slide outwards along the guide groove 11 under the thrust force until the outer wall of the inner supporting block 27 abuts against the inner wall of the pump shell, and therefore the inner supporting and fixing of the pump shell are achieved;
the bracket 30 comprises vertical plates 31 symmetrically arranged at two ends of the top of the bottom plate 10 and a truss 32 erected between the two vertical plates 31, a water tank 33 is fixedly arranged at the top of the truss 32, and the grinding device 40 is positioned at the bottom of the truss 32; the grinding device 40 comprises a guide rod 41 vertically arranged at the bottom of the truss 32, a plurality of groups of strip-shaped protrusions 411 distributed in an annular shape are arranged on the outer wall of the guide rod 41, the strip-shaped protrusions 411 extend to two ends of the guide rod 41, a lifting ring 42 is slidably sleeved outside the guide rod 41, strip-shaped grooves matched with the strip-shaped protrusions 411 are formed in the inner wall of the lifting ring 42, a limiting plate 412 for limiting the moving range of the lifting ring 42 is arranged at the bottom of the guide rod 41, and a space exists between the limiting plate 412 and the pump shell;
the outer part of the lifting ring 42 is rotatably provided with a rotating ring 43 through a bearing, the outer wall of the rotating ring 43 is symmetrically provided with a transverse plate 44, the top of the transverse plate 44 is provided with a waist-shaped hole 441 extending along the length direction of the transverse plate, the top of the transverse plate 44 is provided with a motor 45, an output end rotating shaft of the motor 45 penetrates through the waist-shaped hole 441 to pass downwards, the tail end of the output end rotating shaft of the motor 45 is fixedly connected with a polishing mechanism 46, and the distance between the polishing mechanism 46 and the guide rod 41 can be changed by adjusting the installation position of the motor 45, so that the lifting ring is suitable for pouring ports on pump shells with different sizes and specifications; the grinding mechanism 46 comprises a second cylinder 461 with an opening at the bottom and a closed top and an opening 463 formed in the side wall of the second cylinder 461, the top of the second cylinder 461 is fixedly connected with the output end of the motor 45, the openings 463 are provided with a plurality of groups and uniformly and annularly distributed on the periphery of the second cylinder 461, the opening 463 extends to the bottom of the second cylinder 461, the opening 463 is provided for facilitating spray cooling of the grinding mechanism 46, the bottom of the second cylinder 461 is provided with a ring 462, the inner diameter of the ring 462 is smaller than that of the second cylinder 461, the top of the ring 462 is provided with a plurality of groups of grinding knives 464, the outer annular surface of each grinding knife 464 is fixedly connected with the inner wall of the second cylinder 461, the inner annular surface of each grinding knife 464 is inclined, and the distance between the inner annular surface and the outer annular surface of each grinding knife 464 from top to bottom is gradually reduced;
a spring 47 is sleeved between the truss 32 and the lifting ring 42 outside the guide rod 41, two ends of the spring 47 are respectively fixedly connected with the truss 32 and the lifting ring 42, a spray head 48 is arranged at the bottom of the transverse plate 44 close to the tail end, the bottom end of the spray head 48 is bent towards the direction of the polishing mechanism 46, the top end of the spray head 48 penetrates through the transverse plate 44, the top end of the spray head 48 is communicated with the water tank 33 through an elastic hose 49, and a valve is arranged on the outer wall of the spray head 48; when the grinding mechanism 46 performs cutting grinding on the pouring gate, a valve on the spray head 48 is opened, water is sprayed between the grinding mechanism 46 and the pouring gate through the spray head 48, so that the cooling effect is achieved, cut chips are washed away, and the rigidity of the grinding knife 464 is increased due to the arrangement of the circular ring 462;
when polishing is carried out, the transverse plate 44 is lifted upwards for a certain distance, the lifting ring 42 is driven by the rotating ring 43 to move upwards along the guide rod 41, the spring 47 is compressed, the rotating ring 43 is rotated to enable the polishing mechanism 46 to rotate to the corresponding pouring gate, the external force applied to the transverse plate 44 is removed, the lifting ring 42 moves downwards along the guide rod 41 under the elastic force action of the spring 47, the second cylinder 461 is sleeved outside the pouring gate at the moment, the polishing knife 464 is in contact with the outer wall of the pouring gate, the motor 45 is started to drive the polishing mechanism 46 to rotate, the polishing knife 464 performs cutting and polishing on the pouring gate in the rotating process, meanwhile, the lifting ring 42 moves downwards along the guide rod 41 under the elastic force action of the spring 47, and the polishing knife 464 is always abutted against the pouring gate; a hanging ring 442 is further arranged at the tail end of the transverse plate 44, and in actual operation, in order to keep the polishing knife 464 to be always abutted against the pouring gate, a balancing weight can be hung on the hanging ring 442; for the pouring gate on the outer wall of the pipeline on the pump shell, because the distance from the pouring gate to the shaft hole on the pump shell is different from the distance between the other two pouring gates, after the two symmetrical pouring gates on the pump shell are polished, the pouring gates on the pipeline are polished independently, and the polishing step is the same as the step;
the method for finishing the three pouring gates of the pump shell by using the pump body product casting forming finishing system comprises the following steps:
s1 pump shell fixing: the pump shell is buckled on the fixing device 20, the feeding screw 25 penetrates through a shaft hole in the top of the pump shell, the feeding screw 25 is rotated, the feeding screw 25 drives the expansion core 24 to rotate and simultaneously gives downward feeding force to the expansion core 24, the expansion block 23 drives the inner supporting block 27 to slide outwards along the guide groove 11 after being pushed by the expansion core 24 until the outer wall of the inner supporting block 27 is abutted against the inner wall of the pump shell, and at the moment, a plurality of groups of inner supporting blocks 27 are fixedly supported in the pump shell;
s2 calibrating the grinding mechanism: the transverse plate 44 is lifted upwards for a certain distance, the lifting ring 42 is driven by the rotating ring 43 to move upwards along the guide rod 41, the spring 47 is compressed and contracted, the rotating ring 43 is rotated to enable the polishing mechanism 46 to rotate to the corresponding pouring gate, the external force applied to the transverse plate 44 is removed, the lifting ring 42 moves downwards along the guide rod 41 under the action of the elastic force of the spring 47, the second cylinder 461 is sleeved outside the pouring gate at the moment, and the polishing knife 464 is in contact with the outer wall of the pouring gate;
s3 pouring gate polishing: starting the motor 45 to drive the polishing mechanism 46 to rotate, cutting and polishing the pouring gate by the polishing knife 464 in the rotating process, moving the lifting ring 42 downwards along the guide rod 41 under the action of the elastic force of the spring 47 to enable the polishing knife 464 to be always abutted against the pouring gate, gradually polishing the pouring gate from a cylindrical shape to a conical shape, continuously polishing, gradually reducing the length of the pouring gate, and cutting off the tip of the pouring gate for the last remaining conical pouring gate by the cutting knife;
s4 cooling the grinding mechanism: and opening a valve on the spray head 48, enabling the water in the water tank 33 to flow to the spray head 48 through the elastic hose 49, and finally spraying the water between the polishing mechanism 46 and the pouring gate through the spray head 48 to cool the polishing mechanism 46 and the pouring gate.
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 (6)
1. The utility model provides a pump body product casting shaping finish machining system, includes that bottom plate (10) and multiunit set up fixing device (20) at bottom plate (10) top, and fixing device (20) are linear distribution along the length direction of bottom plate (10), and support (30) have been erect to the top of bottom plate (10), and the bottom of support (30) is provided with grinding device (40) with fixing device (20) one-to-one, its characterized in that: the fixing device (20) comprises a first cylinder (21) with two open ends, a top cover (22) is arranged at the top of the first cylinder (21), the bottom of the first cylinder (21) is fixed on the bottom plate (10), a plurality of groups of through holes (211) distributed in an annular shape are formed in the outer wall of the first cylinder (21), expansion blocks (23) are arranged in each group of through holes (211) in a sliding mode, an expansion core (24) is further arranged inside the first cylinder (21), the expansion core (24) is of a circular truncated cone-shaped structure with the diameter gradually increasing from bottom to top, one side, close to the expansion core (24), of the outer wall of the expansion block (23) is inclined, and the expansion blocks (23) are in contact with the outer wall of the expansion core (24);
the top of the expansion core (24) is fixedly connected with a feeding screw rod (25), the feeding screw rod (25) penetrates through the top of the top cover (22) and is in threaded connection with the top cover (22) to be fixed, the outer wall of the expansion block (23) is fixedly connected with a connecting rod (26), the tail end of the connecting rod (26) is fixedly connected with an inner supporting block (27), and the bottom of the inner supporting block (27) is in contact with the bottom plate (10); the support (30) comprises vertical plates (31) symmetrically arranged at two ends of the top of the bottom plate (10) and a truss (32) erected between the two groups of vertical plates (31), a water tank (33) is fixedly arranged at the top of the truss (32), and the grinding device (40) is positioned at the bottom of the truss (32);
the polishing device (40) comprises a guide rod (41) vertically arranged at the bottom of the truss (32) and a limiting plate (412) arranged at the bottom of the guide rod (41), a lifting ring (42) is sleeved outside the guide rod (41) in a sliding mode, a rotating ring (43) is arranged outside the lifting ring (42) in a rotating mode through a bearing, transverse plates (44) are symmetrically arranged on the outer wall of the rotating ring (43), waist-shaped holes (441) extending along the length direction of the transverse plates (44) are formed in the top of the transverse plates (44), a motor (45) is installed at the top of the transverse plates (44), an output end rotating shaft of the motor (45) penetrates through the waist-shaped holes (441) to be communicated downwards, and a polishing mechanism (46) is fixedly connected to the tail end of the output end rotating shaft of the motor (45); a hanging ring (442) used for hanging a balancing weight is arranged at the tail end of the transverse plate (44);
the grinding mechanism (46) comprises a second cylinder (461) with an opening at the bottom and a closed top and a plurality of groups of openings (463) formed in the side wall of the second cylinder (461); the openings (463) are annularly distributed on the periphery of the second cylinder (461), the openings (463) extend to the bottom of the second cylinder (461), a circular ring (462) is arranged at the bottom of the second cylinder (461), a plurality of groups of polishing knives (464) are arranged at the top of the circular ring (462), the outer annular surface of each polishing knife (464) is fixedly connected with the inner wall of the second cylinder (461), the inner annular surface of each polishing knife (464) is inclined, and the distance between the inner annular surface and the outer annular surface of each polishing knife (464) is gradually reduced from top to bottom;
the outside of guide bar (41) is located and is equipped with spring (47) between truss (32) and lift ring (42), and the both ends of spring (47) respectively with truss (32) and lift ring (42) fixed connection, the bottom of diaphragm (44) is close to the end and is provided with shower nozzle (48), and the bottom of shower nozzle (48) is buckled to the direction of grinding machanism (46), and the top of shower nozzle (48) is linked together through elastic hose (49) and water tank (33), and the outer wall of shower nozzle (48) is provided with the valve.
2. The pump body product cast molding finish machining system of claim 1, wherein: the outer wall of the first cylinder (21) is provided with a supporting plate (212) below the through hole (211), and the top of the supporting plate (212) is flush with the bottom of the through hole (211).
3. The pump body product cast molding finish machining system of claim 1, wherein: the top of the expansion core (24) is provided with a circular groove, the bottom end of the feeding screw rod (25) extends into the circular groove and is fixedly connected with the circular groove, the top of the top cover (22) is provided with a threaded hole (221) corresponding to the position of the feeding screw rod (25), and the feeding screw rod (25) penetrates through the threaded hole (221).
4. The pump body product cast molding finish machining system of claim 1, wherein: the outer ring surface of the inner supporting block (27) is arc-shaped, the top of the bottom plate (10) is provided with a corresponding guide groove (11) along the sliding direction of the inner supporting block (27), and the bottom of the inner supporting block (27) is provided with a sliding block which is in sliding butt joint in the guide groove (11).
5. The pump body product cast molding finish machining system of claim 1, wherein: the outer wall of guide bar (41) is provided with the protruding (411) of bar that the multiunit is annular and distributes, and bar is protruding (411) and extend to the both ends of guide bar (41), and the inner wall of lift ring (42) is seted up and is matched with bar recess with protruding (411) of bar.
6. A pump body product casting forming finish machining method is characterized in that: the pump body product cast finish machining system is matched for completion and comprises the following steps:
s1 pump shell fixing: the pump shell is buckled on the fixing device (20), the feeding screw (25) penetrates through a shaft hole in the top of the pump shell, the feeding screw (25) is rotated, the feeding screw (25) drives the expansion core (24) to rotate and simultaneously gives downward feeding force to the expansion core (24), the expansion block (23) drives the inner supporting block (27) to slide outwards after being pushed by the expansion core (24) until the outer wall of the inner supporting block (27) is abutted against the inner wall of the pump shell, and at the moment, a plurality of groups of inner supporting blocks (27) are supported and fixed in the pump shell;
s2 calibrating the grinding mechanism: the transverse plate (44) is lifted up for a certain distance, the lifting ring (42) is driven by the rotating ring (43) to move upwards along the guide rod (41), the spring (47) is compressed, the rotating ring (43) is rotated to enable the polishing mechanism (46) to rotate to the corresponding pouring gate, the external force applied to the transverse plate (44) is removed, the lifting ring (42) moves downwards along the guide rod (41) under the action of the elastic force of the spring (47), the second cylinder (461) is sleeved outside the pouring gate at the moment, and the polishing knife (464) is in contact with the outer wall of the pouring gate;
s3 pouring gate polishing: the motor (45) is started to drive the grinding mechanism (46) to rotate, the grinding knife (464) cuts and grinds the pouring gate in the rotating process, and meanwhile, the lifting ring (42) moves downwards along the guide rod (41) under the elastic force action of the spring (47), so that the grinding knife (464) is always abutted against the pouring gate;
s4 cooling the grinding mechanism: and (3) opening a valve on the spray head (48), enabling water in the water tank (33) to flow to the spray head (48) through the elastic hose (49), finally spraying the water between the polishing mechanism (46) and the pouring gate through the spray head (48), and cooling the polishing mechanism (46) and the pouring gate.
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Effective date of registration: 20210922 Address after: 556000 floor 1, building a-5, standard plant, Lushan Industrial Park, Kaili City, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Province Applicant after: Qiandongnan Zhongzhicheng Machinery Co.,Ltd. Address before: 230041 No. 17, Weisan Road, Baohe Industrial Park, Baohe District, Hefei City, Anhui Province Applicant before: Song Fengai |
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Address after: 556000 floor 1, building a-5, standard plant, Lushan Industrial Park, Kaili City, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Province Patentee after: Guizhou Jinyuan Zhiguang Technology Co.,Ltd. Address before: 556000 floor 1, building a-5, standard plant, Lushan Industrial Park, Kaili City, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Province Patentee before: Qiandongnan Zhongzhicheng Machinery Co.,Ltd. |