CN118254019B - Pump shell drilling equipment of centrifugal pump - Google Patents
Pump shell drilling equipment of centrifugal pump Download PDFInfo
- Publication number
- CN118254019B CN118254019B CN202410680039.6A CN202410680039A CN118254019B CN 118254019 B CN118254019 B CN 118254019B CN 202410680039 A CN202410680039 A CN 202410680039A CN 118254019 B CN118254019 B CN 118254019B
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- CN
- China
- Prior art keywords
- supporting
- centrifugal pump
- fixedly connected
- positioning device
- telescopic cylinder
- Prior art date
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- 238000005553 drilling Methods 0.000 title claims abstract description 71
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 3
- 244000309464 bull Species 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 13
- 238000003801 milling Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
- B23Q16/02—Indexing equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the field of centrifugal pump processing, in particular to centrifugal pump shell drilling equipment, which comprises a supporting device, wherein a positioning device used for fixedly reversing a centrifugal pump shell is arranged in the supporting device, a second telescopic cylinder and a first telescopic cylinder which are symmetrically distributed are arranged at the left end and the right end of the supporting device, a fixing device is arranged at one end of the first telescopic cylinder, which is close to the positioning device, and a rotating device is arranged at one end of the second telescopic cylinder, which is close to the positioning device. According to the invention, the two-way alternate support drilling operation mode is adopted to drill the centrifugal pump shell, when one end of the centrifugal pump shell is drilled, the other end is supported, after one end is processed, the centrifugal pump shell is directly rotated for 180 degrees to drill the other end, so that the drilling efficiency of the centrifugal pump shell is improved, meanwhile, the support end and the drilling end are connected together through the support device, the support end and the drilling end are operated with opposite force, and the stability in the drilling process is improved.
Description
Technical Field
The invention relates to the technical field of centrifugal pump processing, in particular to drilling equipment for a pump shell of a centrifugal pump.
Background
The centrifugal pump shell is one of main components of the centrifugal pump and is used for surrounding and supporting a rotor, the sealing performance of the centrifugal pump is closely related to that of a sealing surface of the centrifugal pump shell, a port sealing surface of the centrifugal pump shell is mainly in sealing connection with a pipeline, and the connection between the port sealing surface of the centrifugal pump shell and the pipeline is generally in bolt connection, so that drilling operation is required to be carried out on the sealing surface of the centrifugal pump shell to drill bolt holes for the bolt connection, and if the sealing surface of the centrifugal pump shell cannot accurately drill, the performance of the centrifugal pump is greatly influenced.
The flatness and the perpendicularity of the sealing surface of the pump shell can be ensured by accurate drilling processing, so that the sealing performance between the pump body and the sealing component is ensured; the accurate drilling processing can also prolong the service life of the sealing element, and reduce the abrasion and faults of the pump body caused by poor sealing.
The existing centrifugal pump shell is generally drilled by a numerical control drilling and milling machine, the pump shell is required to be fixed on a machine tool during drilling, then the numerical control drilling and milling machine drives a drill bit to rotate so as to drill the pump shell, and the drilling mode has the following defects: 1. the manufacturing cost of the numerical control milling and drilling machine is high, the production cost of the centrifugal pump is increased due to the fact that the numerical control milling and drilling machine is used for processing the pump shell, corresponding processing data are required to be input into the system before processing, the professional level requirements on operators are high, and the operation is complex; 2. the feeding and discharging ports on the pump shell are all required to be drilled, after one port is drilled in the existing drilling mode, the pump shell is required to be detached from the machine tool, then the pump shell is replaced to the other port for drilling, the whole replacing process takes longer time, and the drilling efficiency is affected.
Disclosure of Invention
In order to solve the problems, the invention provides a drilling device for a pump shell of a centrifugal pump, which comprises a supporting device, wherein a positioning device used for fixedly reversing the pump shell of the centrifugal pump is arranged in the supporting device, a second telescopic cylinder and a first telescopic cylinder which are symmetrically distributed are arranged at the left end and the right end of the supporting device, a fixing device is arranged at one end of the first telescopic cylinder, which is close to the positioning device, a rotating device is arranged at one end of the second telescopic cylinder, which is close to the positioning device, and a drilling machine is arranged at one end of the rotating device, which is close to the positioning device.
The fixing device comprises a first supporting mechanism arranged on the output shaft of the first telescopic cylinder, and a fixing mechanism used for supporting and fixing the feeding and discharging port of the centrifugal pump shell is arranged on one side, close to the positioning device, of the first supporting mechanism.
The rotary device comprises a second supporting mechanism arranged on an output shaft of a second telescopic cylinder, an intermittent rotating mechanism used for driving the drilling machine to rotate intermittently at a fixed angle is arranged on one side, close to the positioning device, of the second supporting mechanism, a driving motor used for driving the second supporting mechanism to operate is arranged on one side, far away from the positioning device, of the second supporting mechanism, a limiting mechanism used for fixing the intermittent rotating mechanism is arranged on one side, close to the positioning device, of the bottom of the second supporting mechanism, and a reciprocating mechanism used for driving the limiting mechanism to reciprocate is connected between the driving motor and the limiting mechanism in a transmission mode.
In one possible implementation mode, the supporting device comprises a supporting table, the left side and the right side of the supporting table are fixedly connected with lower supporting frames, an upper supporting frame is arranged above the supporting table, two ends of the upper supporting frame are fixedly connected with the lower supporting frames through connecting plates, and guide rods are arranged inside the lower supporting frames and the upper supporting frames.
In one possible implementation mode, the positioning device comprises a reversing disc rotatably mounted at the top of the supporting table, a fixing groove matched with the pump shell of the centrifugal pump is formed in the top of the reversing disc, an arc-shaped groove with the center of a circle coinciding with the axis of the reversing disc is formed in the reversing disc, a limiting rod is fixedly connected to the top of the supporting table, the limiting rod is slidably mounted in the arc-shaped groove, and the reversing disc is fixedly connected with the supporting table through a fastening bolt sleeved with threads.
In one possible implementation manner, the first supporting mechanism comprises a first supporting plate fixedly connected to the output shaft of the first telescopic cylinder, and the upper end and the lower end of the first supporting plate are fixedly sleeved with first sliding sleeves which are slidably mounted outside the guide rods.
In one possible implementation mode, the fixing mechanism comprises a square tube fixedly connected to one side of the first supporting plate, which is close to the positioning device, one end of the square tube, which is close to the positioning device, is rotationally connected with a plurality of clamping pieces which are uniformly distributed by taking the square tube as a center circumference, each clamping piece comprises an inner supporting rod rotationally connected with the square tube, an outer baffle is fixedly connected to the outer side of each inner supporting rod, a movable plate is arranged in the square tube in a sliding mode, a reset spring is fixedly connected between the movable plate and the first supporting plate, and a pull rope is fixedly connected between the movable plate and each clamping piece.
In one possible implementation mode, the second supporting plate fixedly connected to the output shaft of the second telescopic cylinder is arranged on the second supporting mechanism in a sleeved mode, the second sliding sleeve is fixedly sleeved at the upper end and the lower end of the second supporting plate, the second sliding sleeve is slidably mounted outside the guide rod, and the driving motor is fixedly mounted on one side, away from the positioning device, of the second supporting plate.
In one possible implementation mode, the intermittent rotating mechanism comprises a sheave rotatably mounted on one side of the second support plate, which is close to the positioning device, a rotary table is fixedly connected to one side of the sheave, which is close to the positioning device, the drilling machine is fixedly mounted on the rotary table, limiting holes uniformly distributed along the circumferential direction of the rotary table are formed in the rotary table, and a driving plate matched with the sheave is fixedly connected to an output shaft of the driving motor.
In one possible implementation mode, the limiting mechanism comprises a rectangular sleeve fixedly connected with a second sliding sleeve at the bottom, the rectangular sleeve is slidably mounted outside the guide rod, a sliding groove is formed in the top of the rectangular sleeve, a sliding block is slidably mounted in the sliding groove, and a fixing rod matched with the limiting hole is fixedly connected to the top of the sliding block.
In one possible implementation manner, the reciprocating mechanism comprises an eccentric wheel assembly rotatably mounted on one side of the second support plate close to the driving motor, the top of the eccentric wheel assembly is in transmission connection with the driving motor, a pull rod assembly is mounted in the second support plate in a reciprocating sliding manner, and the eccentric wheel assembly is in transmission connection with the sliding block through the pull rod assembly.
In one possible implementation mode, the eccentric wheel assembly comprises a transmission shaft rotatably mounted on the side face of the second support plate, a wheel disc is fixedly connected to the bottom of the transmission shaft, a rotating rod is fixedly connected to the edge of the bottom face of the wheel disc, the pull rod assembly comprises a reciprocating pull rod slidably mounted inside the second support plate, one end, close to the wheel disc, of the reciprocating pull rod is fixedly connected with a waist-shaped frame, the rotating rod is slidably mounted inside the waist-shaped frame, and one end, away from the waist-shaped frame, of the reciprocating pull rod is fixedly connected with a sliding block.
The invention has the beneficial effects that: 1. according to the invention, the two-way alternate support drilling operation mode is adopted to drill the centrifugal pump shell, when one end of the centrifugal pump shell is drilled, the other end is supported, after one end is processed, the centrifugal pump shell is directly rotated for 180 degrees to drill the other end, so that the drilling efficiency of the centrifugal pump shell is improved, meanwhile, the support end and the drilling end are connected together through the support device, the support end and the drilling end are operated with opposite force, and the stability of the centrifugal pump shell in the drilling process is improved.
2. According to the invention, the intermittent rotating mechanism is matched with the driving motor, so that the drilling machine can be driven to rotate at a fixed angle, the drilling machine can be directly rotated to the next drilling position to drill after one-time drilling is completed, the structure is simple, the production cost is low, manual adjustment is not needed, the operation of workers is convenient, meanwhile, the driving motor, the limiting mechanism and the reciprocating mechanism are matched in a linkage manner, and in the process of rotating the intermittent rotating mechanism at a fixed angle, the reciprocating mechanism can synchronously drive the limiting mechanism to reciprocate, so that the limiting mechanism can fix the turntable after the intermittent rotating mechanism rotates at a good angle, the stability of the turntable is greatly improved, and the stability of the drilling machine in drilling is ensured.
3. According to the invention, the fixing device is used for fixing the centrifugal pump shell, the fixing device is only required to be pushed to be close to the centrifugal pump shell, the inner supporting rod can be driven to be outwards supported in the rotating process of the outer baffle plate, the tail end of the centrifugal pump shell is tightly pressed by the outer baffle plate, meanwhile, the inner supporting rod is used for carrying out inner supporting and clamping on the inside of the centrifugal pump shell, when the drilling machine is used for pressing and drilling the centrifugal pump shell, the fixing device can provide reverse supporting force for the centrifugal pump shell, so that the centrifugal pump shell is prevented from deforming due to unbalanced stress, accurate drilling is facilitated, and the stability of the centrifugal pump shell in drilling is improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the supporting device of the present invention.
Fig. 3 is a schematic perspective view of the positioning device of the present invention.
Fig. 4 is a cross-sectional view of the fixture of the present invention.
Fig. 5 is a plan view of the rotary device of the present invention.
Fig. 6 is a partially cut-away schematic perspective view of a rotary device of the present invention.
Fig. 7 is a schematic perspective view of the reciprocating mechanism of the present invention.
In the figure: 1. a support device; 11. a support table; 12. a lower support frame; 13. an upper support frame; 14. a guide rod; 2. a positioning device; 21. a reversing disc; 211. a fixing groove; 212. an arc-shaped groove; 22. a limit rod; 23. a fastening bolt; 3. a first telescopic cylinder; 4. a fixing device; 41. a first supporting mechanism; 411. a first support plate; 412. a first sliding sleeve; 42. a fixing mechanism; 421. square tubes; 422. a clamping member; 4221. an inner stay; 4222. an outer baffle; 423. a return spring; 424. a movable plate; 425. a pull rope; 5. a second telescopic cylinder; 6. a rotating device; 61. a second supporting mechanism; 611. a second support plate; 612. the second sliding sleeve; 62. an intermittent rotation mechanism; 621. a sheave; 622. a turntable; 623. a limiting hole; 624. an active dial; 63. a driving motor; 64. a limiting mechanism; 641. a rectangular sleeve; 6411. a slip groove; 642. a sliding block; 643. a fixed rod; 65. a reciprocating mechanism; 651. an eccentric wheel assembly; 6511. a transmission shaft; 6512. a wheel disc; 6513. a rotating rod; 652. a pull rod assembly; 6521. a reciprocating pull rod; 6522. waist-round frame; 7. and (5) a drilling machine.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms than described below and similarly modified by those skilled in the art without departing from the spirit or scope of the invention, which is therefore not limited to the specific embodiments disclosed below.
Referring to fig. 1, a drilling device for a pump casing of a centrifugal pump includes a supporting device 1, a positioning device 2 for fixedly reversing the pump casing of the centrifugal pump is installed in the supporting device 1, a second telescopic cylinder 5 and a first telescopic cylinder 3 which are symmetrically distributed are arranged at the left end and the right end of the supporting device 1, a fixing device 4 is installed at one end, close to the positioning device 2, of the first telescopic cylinder 3, a rotating device 6 is installed at one end, close to the positioning device 2, of the second telescopic cylinder 5, and a drilling machine 7 is installed at one end, close to the positioning device 2, of the rotating device 6.
Referring to fig. 1 and 4, the fixing device 4 includes a first supporting mechanism 41 mounted on the output shaft of the first telescopic cylinder 3, and a fixing mechanism 42 for supporting and fixing the inlet and outlet ports of the pump casing of the centrifugal pump is mounted on one side of the first supporting mechanism 41, which is close to the positioning device 2.
Referring to fig. 1, 5 and 6, the rotating device 6 includes a second supporting mechanism 61 installed on an output shaft of the second telescopic cylinder 5, an intermittent rotating mechanism 62 for driving the drilling machine 7 to intermittently rotate at a fixed angle is installed on a side, close to the positioning device 2, of the second supporting mechanism 61, a driving motor 63 for driving the second supporting mechanism 61 to operate is installed on a side, far away from the positioning device 2, of the second supporting mechanism 61, a limiting mechanism 64 for fixing the intermittent rotating mechanism 62 is arranged on a side, close to the positioning device 2, of the bottom of the second supporting mechanism 61, and a reciprocating mechanism 65 for driving the limiting mechanism 64 to reciprocate is connected between the driving motor 63 and the limiting mechanism 64 in a transmission manner.
Referring to fig. 1 and 2, the supporting device 1 includes a supporting table 11, a lower supporting frame 12 is fixedly connected to both sides of the supporting table 11, an upper supporting frame 13 is disposed above the supporting table 11, two ends of the upper supporting frame 13 are fixedly connected to the lower supporting frame 12 through a connecting plate, the first telescopic cylinder 3 and the second telescopic cylinder 5 are fixedly mounted on the connecting plate, and guide rods 14 are disposed inside the lower supporting frame 12 and the upper supporting frame 13.
Referring to fig. 1 and 3, the positioning device 2 includes a reversing disc 21 rotatably mounted on the top of the supporting table 11, a fixing groove 211 matched with the centrifugal pump casing is provided on the top of the reversing disc 21, an arc-shaped groove 212 with a center overlapping with the axis of the reversing disc 21 is provided in the reversing disc 21, a limit rod 22 is fixedly connected to the top of the supporting table 11, the limit rod 22 is slidably mounted in the arc-shaped groove 212, the reversing disc 21 is fixedly connected with the supporting table 11 through a fastening bolt 23 sleeved with threads, the centrifugal pump casing is mounted on the fixing groove 211 through the fastening bolt, after drilling is completed at one end of the centrifugal pump casing, the fastening bolt 23 is unscrewed, then the reversing disc 21 is rotated 180 degrees, and one end of the centrifugal pump casing, which is not drilled, is rotated to the side of the rotating device 6, so that quick reversing of the centrifugal pump casing is realized, and the drilling efficiency is improved.
Referring to fig. 1 and 4, the first supporting mechanism 41 includes a first supporting plate 411 fixedly connected to the output shaft of the first telescopic cylinder 3, and a first sliding sleeve 412 fixedly sleeved at the upper end and the lower end of the first supporting plate 411, where the first sliding sleeve 412 is slidably mounted on the outside of the guiding rod 14, and the guiding rod 14 plays a role in guiding and limiting the first supporting plate 411, so that the first supporting plate 411 moves more stably, and the moving stability of the fixing mechanism 42 is improved.
Referring to fig. 1 and 4, the fixing mechanism 42 includes a square tube 421 fixedly connected to a side of the first support plate 411 near the positioning device 2, one end of the square tube 421 near the positioning device 2 is rotatably connected with a plurality of clamping pieces 422 uniformly distributed around the square tube 421, the clamping pieces 422 include an inner support rod 4221 rotatably connected to the square tube 421, an outer baffle 4222 is fixedly connected to the outer side of the inner support rod 4221, a movable plate 424 is slidably mounted in the square tube 421, a return spring 423 is fixedly connected between the movable plate 424 and the first support plate 411, a pull rope 425 is fixedly connected between the movable plate 424 and the clamping pieces 422, the first support plate 411 is pushed by a first telescopic cylinder 3 to approach the centrifugal pump casing, the inner support rod 4221 enters the inside of the centrifugal pump casing port, and when the port of the centrifugal pump casing extrudes the outer baffle 4222, the inner support rod 4221 rotates outwards and is pushed against the inner wall of the centrifugal pump casing port, so that the centrifugal pump casing port is supported and fixed, and the stability of drilling of the centrifugal pump casing is improved.
Referring to fig. 1, 5 and 6, the second support mechanism 61 includes a second support plate 611 fixedly connected to the output shaft of the second telescopic cylinder 5, the upper and lower ends of the second support plate 611 are fixedly sleeved with a second sliding sleeve 612, the second sliding sleeve 612 is slidably mounted on the outside of the guide rod 14, and the driving motor 63 is fixedly mounted on one side of the second support plate 611 away from the positioning device 2.
Referring to fig. 5 and 6, the intermittent rotation mechanism 62 includes a sheave 621 rotatably mounted on one side of the second support plate 611 near the positioning device 2, a turntable 622 fixedly connected to one side of the sheave 621 near the positioning device 2, a drilling machine 7 fixedly mounted on the turntable 622, a limiting hole 623 uniformly distributed along the circumferential direction of the turntable 622, a driving plate 624 fixedly connected to an output shaft of the driving motor 63 and matched with the sheave 621, and the driving plate 624 is driven to rotate by the driving motor 63, and the turntable 622 is driven to intermittently rotate by a specific angle through linkage cooperation of the driving plate 624 and the sheave 621, so that the drilling position of the drilling machine 7 is adjusted, and the drilling machine 7 is convenient to drill holes uniformly distributed along the circumferential direction on a port of the centrifugal pump shell.
Referring to fig. 5 and 6, the limiting mechanism 64 includes a rectangular sleeve 641 fixedly connected to a second sliding sleeve 612 at the bottom, the rectangular sleeve 641 is slidably mounted on the outside of the guide rod 14, a sliding slot 6411 is provided at the top of the rectangular sleeve 641, a sliding block 642 is slidably mounted in the sliding slot 6411, and a fixing rod 643 matched with the limiting hole 623 is fixedly connected to the top of the sliding block 642.
Referring to fig. 5,6 and 7, the reciprocating mechanism 65 includes an eccentric wheel assembly 651 rotatably mounted on one side of a second support plate 611 near the driving motor 63, the top of the eccentric wheel assembly 651 is in transmission connection with the driving motor 63, a pull rod assembly 652 is reciprocally slidably mounted in the second support plate 611, and the eccentric wheel assembly 651 is in transmission connection with the sliding block 642 through the pull rod assembly 652.
Referring to fig. 5, 6 and 7, the eccentric wheel assembly 651 includes a transmission shaft 6511 rotatably mounted on a side surface of the second support plate 611, a top end of the transmission shaft 6511 is in transmission connection with the driving motor 63 through a bevel gear set, a bottom of the transmission shaft 6511 is fixedly connected with a wheel disc 6512, an edge of a bottom surface of the wheel disc 6512 is fixedly connected with a rotating rod 6513, the pull rod assembly 652 includes a reciprocating pull rod 6521 slidably mounted inside the second support plate 611, one end of the reciprocating pull rod 6521, which is close to the wheel disc 6512, is fixedly connected with a waist-round frame 6522, the rotating rod 6513 is slidably mounted inside the waist-round frame 6522, one end, which is far away from the waist-round frame 6522, of the reciprocating pull rod 6521 is fixedly connected with a sliding block 642, the transmission shaft 6511 is driven to rotate by the driving motor 63, the reciprocating pull rod 6521 is driven by the rotating rod 6513, and the sliding block 642 is driven to reciprocate by the reciprocating pull rod 6521, so that the fixing rod 643 can be separated from the rotating disc 622 when the rotating disc 622 rotates, after the rotating disc 622 rotates, the rotating is matched with the limiting hole 623, and the rotating disc 622 is fixed.
In use, the centrifugal pump casing is placed on the fixing groove 211, the two ports of the centrifugal pump casing are aligned with the fixing device 4 and the rotating device 6 respectively, and the centrifugal pump casing is fixed on the fixing groove 211 by using the fixing bolts.
The fixing device 4 is pushed to approach the centrifugal pump shell by the first telescopic cylinder 3, so that the inner support rod 4221 stretches into the port of the centrifugal pump shell, when the port of the centrifugal pump shell presses the outer baffle 4222, the inner support rod 4221 can rotate outwards until the inner wall of the port of the centrifugal pump is supported, and at the moment, the outer baffle 4222 cannot rotate continuously so as to be pressed outside the port of the centrifugal pump shell.
And then starting the drilling machine 7, pushing the second supporting plate 611 to approach the centrifugal pump shell by using the second telescopic cylinder 5, so that the drilling machine 7 drills holes on the sealing surface of the port of the centrifugal pump shell.
After the drilling is completed once, the second telescopic cylinder 5 pulls the second supporting plate 611 to move away from the pump shell of the centrifugal pump, then the driving motor 63 drives the driving dial 624 to rotate 180 degrees, and the turntable 622 rotates by a specific angle through the linkage cooperation of the driving dial 624 and the grooved pulley 621, so that the drilling machine 7 is moved from the first drilling position to the next drilling position.
Before the turntable 622 rotates, the driving motor 63 drives the fixing rod 643 to move in a direction away from the turntable 622 through the eccentric wheel assembly 651 and the pull rod assembly 652, so that the fixing rod 643 is unlocked from the turntable 622, and after the turntable 622 rotates, the sliding block 642 moves in a direction close to the turntable 622 again, so that the top end of the fixing rod 643 is reinserted into the limiting hole 623, and the turntable 622 is fixed. And repeating the steps to finish the drilling operation of one port of the pump shell of the centrifugal pump.
After drilling one end, the first telescopic cylinder 3 and the second telescopic cylinder 5 respectively drive the fixing device 4 and the rotating device 6 to be away from the pump shell of the centrifugal pump, then the drilling machine 7 is closed, then the fastening bolt 23 is unscrewed to release the fixation of the reversing disc 21, then the reversing disc 21 is rotated 180 degrees, one end of the pump shell of the centrifugal pump, which is not drilled, is transferred to the rotating device 6, then the fastening bolt 23 is rotated again to fix the reversing disc 21, and then the drilling operation of the other end of the pump shell of the centrifugal pump is completed by repeating the steps.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, or slidably connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle according to the present invention should be covered in the protection scope of the present invention.
Claims (7)
1. Centrifugal pump casing drilling equipment, including strutting arrangement (1), its characterized in that: the centrifugal pump is characterized in that a positioning device (2) for fixedly reversing a pump shell of the centrifugal pump is arranged in the supporting device (1), a second telescopic cylinder (5) and a first telescopic cylinder (3) which are symmetrically distributed are arranged at the left end and the right end of the supporting device (1), a fixing device (4) is arranged at one end, close to the positioning device (2), of the first telescopic cylinder (3), a rotating device (6) is arranged at one end, close to the positioning device (2), of the second telescopic cylinder (5), and a drilling machine (7) is arranged at one end, close to the positioning device (2), of the rotating device (6);
The fixing device (4) comprises a first supporting mechanism (41) arranged on the output shaft of the first telescopic cylinder (3), and a fixing mechanism (42) used for supporting and fixing the feeding and discharging port of the centrifugal pump shell is arranged on one side, close to the positioning device (2), of the first supporting mechanism (41);
The rotary device (6) comprises a second supporting mechanism (61) arranged on an output shaft of the second telescopic cylinder (5), an intermittent rotating mechanism (62) for driving the drilling machine (7) to intermittently rotate at a fixed angle is arranged on one side, close to the positioning device (2), of the second supporting mechanism (61), a driving motor (63) for driving the second supporting mechanism (61) to operate is arranged on one side, far away from the positioning device (2), of the second supporting mechanism (61), a limiting mechanism (64) for fixing the intermittent rotating mechanism (62) is arranged on one side, close to the positioning device (2), of the bottom of the second supporting mechanism (61), and a reciprocating mechanism (65) for driving the limiting mechanism (64) to reciprocate is connected between the driving motor (63) and the limiting mechanism (64) in a transmission manner.
The supporting device (1) comprises a supporting table (11), wherein lower supporting frames (12) are fixedly connected to the left side and the right side of the supporting table (11), an upper supporting frame (13) is arranged above the supporting table (11), two ends of the upper supporting frame (13) are fixedly connected with the lower supporting frame (12) through connecting plates, and guide rods (14) are arranged in the lower supporting frame (12) and the upper supporting frame (13);
the first supporting mechanism (41) comprises a first supporting plate (411) fixedly connected to an output shaft of the first telescopic cylinder (3), a first sliding sleeve (412) is fixedly sleeved at the upper end and the lower end of the first supporting plate (411), and the first sliding sleeve (412) is slidably arranged outside the guide rod (14);
fixed establishment (42) are including fixed connection side's pipe (421) near positioner (2) one side in first backup pad (411), side's pipe (421) are close to the one end rotation of positioner (2) and are connected with a plurality of clamping pieces (422) that regard square pipe (421) as central circumference evenly distributed, clamping pieces (422) include with side's pipe (421) rotation connection's interior vaulting pole (4221), the outside fixedly connected with outer baffle (4222) of interior vaulting pole (4221), the inside slidable mounting of square pipe (421) has fly leaf (424), fixedly connected with reset spring (423) between fly leaf (424) and the first backup pad (411), fixedly connected with stay cord (425) between fly leaf (424) and clamping pieces (422).
2. A centrifugal pump casing drilling apparatus according to claim 1, wherein: the positioning device comprises a reversing disc (21) rotatably mounted at the top of a supporting table (11), a fixing groove (211) matched with a pump shell of a centrifugal pump is formed in the top of the reversing disc (21), an arc-shaped groove (212) with the center of a circle coincident with the axis of the reversing disc (21) is formed in the reversing disc (21), a limiting rod (22) is fixedly connected to the top of the supporting table (11), the limiting rod (22) is slidably mounted in the arc-shaped groove (212), and the reversing disc (21) is connected with the supporting table (11) through a fastening bolt (23) sleeved with threads.
3. A centrifugal pump casing drilling apparatus according to claim 1, wherein: the second supporting mechanism (61) comprises a second supporting plate (611) fixedly connected to the output shaft of the second telescopic cylinder (5), the upper end and the lower end of the second supporting plate (611) are fixedly sleeved with second sliding sleeves (612), the second sliding sleeves (612) are slidably mounted outside the guide rods (14), and the driving motor (63) is fixedly mounted on one side, far away from the positioning device (2), of the second supporting plate (611).
4. A centrifugal pump casing drilling apparatus according to claim 3, wherein: intermittent type slewing mechanism (62) are including rotating sheave (621) of installing in second backup pad (611) one side near positioner (2), one side fixedly connected with carousel (622) of sheave (621) near positioner (2), drilling machine (7) fixed mounting is on carousel (622), offer spacing hole (623) along its circumference evenly distributed on carousel (622), fixedly connected with and sheave (621) matched with initiative driver plate (624) on the output shaft of driving motor (63).
5. A centrifugal pump casing drilling apparatus according to claim 4, wherein: the limiting mechanism (64) comprises a rectangular sleeve (641) fixedly connected with a second sliding sleeve (612) at the bottom, the rectangular sleeve (641) is slidably mounted on the outside of the guide rod (14), a sliding groove (6411) is formed in the top of the rectangular sleeve (641), a sliding block (642) is slidably mounted in the sliding groove (6411), and a fixing rod (643) matched with the limiting hole (623) is fixedly connected to the top of the sliding block (642).
6. A centrifugal pump casing drilling apparatus according to claim 3, wherein: the reciprocating mechanism (65) comprises an eccentric wheel assembly (651) rotatably mounted on one side, close to the driving motor (63), of the second supporting plate (611), the top of the eccentric wheel assembly (651) is in transmission connection with the driving motor (63), a pull rod assembly (652) is mounted in the second supporting plate (611) in a reciprocating sliding manner, and the eccentric wheel assembly (651) is in transmission connection with the sliding block (642) through the pull rod assembly (652).
7. A centrifugal pump casing drilling apparatus according to claim 6, wherein: eccentric wheel subassembly (651) is including rotating transmission shaft (6511) of installing in second backup pad (611) side, the bottom fixedly connected with rim plate (6512) of transmission shaft (6511), the edge fixedly connected with bull stick (6513) of rim plate (6512) bottom surface, pull rod subassembly (652) are including slidable mounting in inside reciprocal pull rod (6521) of second backup pad (611), reciprocal pull rod (6521) are close to the one end fixedly connected with oval frame (6522) of rim plate (6512), bull stick (6513) slidable mounting is in the inside of oval frame (6522), the one end and the sliding block (642) of oval frame (6522) are kept away from to reciprocal pull rod (6521).
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| CN202410680039.6A CN118254019B (en) | 2024-05-29 | 2024-05-29 | Pump shell drilling equipment of centrifugal pump |
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| CN202410680039.6A CN118254019B (en) | 2024-05-29 | 2024-05-29 | Pump shell drilling equipment of centrifugal pump |
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| CN204867520U (en) * | 2015-08-14 | 2015-12-16 | 河北豪阳泵业有限公司 | Processing appearance but pump case two way synchronization of reducing is drilled |
| CN212599094U (en) * | 2020-03-28 | 2021-02-26 | 上海杰武精密机械有限公司 | Numerical control machine tool capable of drilling workpiece |
| CN219310126U (en) * | 2023-02-20 | 2023-07-07 | 尚哲宇 | Drilling optimizing device for valve machining |
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| CN110666562B (en) * | 2019-11-01 | 2021-06-08 | 芜湖挺优机电技术有限公司 | Quick drill bit replacing mechanism for drilling machine |
| CN214238592U (en) * | 2020-12-31 | 2021-09-21 | 江苏福润达新材料科技有限责任公司 | Insulating material high accuracy drilling equipment |
| CN112496898A (en) * | 2021-02-01 | 2021-03-16 | 德清诚造机械科技有限公司 | Production facility of new energy automobile parts machining |
| CN215247969U (en) * | 2021-06-03 | 2021-12-21 | 河南中博轨道装备科技有限公司 | Reversing disc for grooving end face of sleeper |
| CN216541003U (en) * | 2021-12-27 | 2022-05-17 | 泾县恒运机械铸造有限公司 | Processing equipment for backflow prevention valve of water pump |
| CN117001436A (en) * | 2023-08-01 | 2023-11-07 | 杜立清 | A corrugated pipe grinding device used for construction engineering pipe processing |
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| CN204867520U (en) * | 2015-08-14 | 2015-12-16 | 河北豪阳泵业有限公司 | Processing appearance but pump case two way synchronization of reducing is drilled |
| CN212599094U (en) * | 2020-03-28 | 2021-02-26 | 上海杰武精密机械有限公司 | Numerical control machine tool capable of drilling workpiece |
| CN219310126U (en) * | 2023-02-20 | 2023-07-07 | 尚哲宇 | Drilling optimizing device for valve machining |
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