CN110605578B - Single-stage single-suction centrifugal pump assembly platform - Google Patents
Single-stage single-suction centrifugal pump assembly platform Download PDFInfo
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- CN110605578B CN110605578B CN201911000049.6A CN201911000049A CN110605578B CN 110605578 B CN110605578 B CN 110605578B CN 201911000049 A CN201911000049 A CN 201911000049A CN 110605578 B CN110605578 B CN 110605578B
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- 239000000725 suspension Substances 0.000 claims abstract description 107
- 238000003825 pressing Methods 0.000 claims description 43
- 210000000078 claw Anatomy 0.000 claims description 16
- 238000005056 compaction Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000011900 installation process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
- B23P19/006—Holding or positioning the article in front of the applying tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/002—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units stationary whilst being composed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention particularly relates to a single-stage single-suction centrifugal pump assembly platform which comprises a supporting platform assembly, a control component assembly, an assembling tool assembly, a clamping moving assembly and a centrifugal pump part assembly, wherein the control component assembly, the assembling tool assembly, the clamping moving assembly and the centrifugal pump part assembly are all arranged on the supporting platform assembly; the centrifugal pump part assembly is controlled by the control component assembly, and is assembled on the supporting platform assembly and the suspension body assembly supporting body through the clamping moving assembly and the assembling tool assembly. The invention has the advantages of simple and novel structure and convenient use, greatly improves the assembly efficiency of the centrifugal pump, improves the assembly precision, reduces the problem of unstable performance of the centrifugal pump caused by assembly errors, and improves the working performance of the pump.
Description
Technical Field
The invention belongs to the technical field of centrifugal pump production, and particularly relates to a single-stage single-suction centrifugal pump assembly platform.
Background
The centrifugal pump is applied to the fields of national economy and important scientific research, and the performance requirement on the centrifugal pump is continuously improved. Centrifugal pump vibration and noise become important problems of the current society, and the unstable condition of the centrifugal pump caused by the installation process of each component of the centrifugal pump is serious.
The eccentric and structural damage problems often occur when the centrifugal pump is assembled manually, so that the centrifugal pump can vibrate too much and even cause safety problems when running, and the normal operation of the centrifugal pump is seriously affected. At present, most of the components are installed in a separated mode, all the components are assembled together again under the condition that the installation precision of single parts is guaranteed, the precision of the single parts is controlled, but the assembly is the precision of the whole component, and the assembly efficiency is low. In order to solve the above problems, a centrifugal pump suspension bearing and a pump shaft mounting device have been proposed.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a single-stage single-suction centrifugal pump assembly platform.
In order to achieve the above object, the present invention provides the following technical solutions:
the single-stage single-suction centrifugal pump assembly platform comprises a supporting platform assembly, a control component assembly, an assembly tool assembly, a clamping moving assembly and a centrifugal pump part assembly, wherein the control component assembly, the assembly tool assembly, the clamping moving assembly and the centrifugal pump part assembly are all arranged on the supporting platform assembly; the assembly tool assembly comprises a suspension body assembly support body, a compactor, an impeller support body, a pump cover assembly support body, a volute casing support body, a rear bearing compaction head and a front bearing compaction head, and the centrifugal pump part assembly comprises a suspension body, a pump shaft, a bearing, a rear bearing cover, a front bearing cover, a pump cover assembly, an impeller and a volute casing; the suspension body assembly support body, the compactor, the impeller support body, the pump cover assembly support body, the volute support body, the rear bearing compaction head, the front bearing compaction head, the suspension body, the pump shaft, the bearing, the rear bearing cover and the front bearing cover are respectively arranged on the support platform assembly, and the pump cover assembly, the impeller and the volute are respectively arranged on the pump cover assembly support body, the impeller support body and the volute support body; the suspension body, the pump shaft, the bearing, the rear bearing cover, the front bearing cover, the pump cover assembly, the impeller and the volute are controlled by the control component assembly, and the assembly is completed on the support platform assembly and the suspension body assembly support body under the actions of the suspension body assembly support body, the compactor, the rear bearing compaction head and the front bearing compaction head.
Preferably, the supporting platform assembly comprises a platform base, a suspension body placing table, a pump shaft placing table, a rear bearing cover placing frame, a bearing table and a front bearing cover placing frame, wherein the platform base is divided into an upper layer and a lower layer, and four side surfaces are all in an opening state; the suspension body placing table is of an arc-shaped plate structure and is arranged in the middle position of the left side of the upper layer of the platform base, and the suspension body is arranged on the suspension body placing table; the pump shaft placing table consists of two pump shaft supporting bodies with arc top ends and is arranged at the corner of the left rear end of the upper layer of the platform base, and the pump shaft is arranged on the pump shaft placing table; the bearing table is arranged at the middle position of the front end of the upper layer of the platform base, and the bearing is arranged on the bearing table; the rear bearing cap rack is arranged at the left front end corner of the upper layer of the platform base, the rear bearing cap is arranged on the rear bearing cap rack, the front bearing cap rack is arranged at the right front end corner of the upper layer of the platform base, the front bearing cap is arranged on the front bearing cap rack, and five fixing pins are arranged on the rear bearing cap rack and the front bearing cap rack and are respectively convenient for placing the rear bearing cap and the front bearing cap.
Preferably, the supporting platform assembly further comprises a rear bearing pressing head placing table, a cutter placing box, a pressing device placing groove, a front bearing pressing head placing table, an impeller supporting device placing groove, a pump cover assembly supporting device placing groove and a volute supporting device placing groove, and the suspension assembly supporting body is arranged at the center position of the upper layer of the platform base; the rear bearing pressing head placing table is arranged at the corner of the left front end of the upper layer of the platform base, and the rear bearing pressing head is arranged on the rear bearing pressing head placing table; the cutter placing box is arranged at the middle position of the rear end of the upper layer of the platform base and is used for storing fasteners and cutters required in the assembly process of the centrifugal pump; the compactor placing groove is formed in the middle of the front end of the upper layer of the platform base, the compactor comprises a compactor extending end and a compactor fixing seat, the compactor extending end is arranged on the compactor fixing seat, the compactor fixing seat is arranged in the compactor placing groove, and the compactor extending end is controlled by a compactor cylinder; the front bearing pressing head placing table is arranged at the corner of the right front end of the upper layer of the platform base, and the front bearing pressing head is arranged on the front bearing pressing head placing table; the volute supporting device placing groove is formed in the corner of the right rear end of the upper layer of the platform base, the volute supporting body is arranged in the volute supporting device placing groove, and the volute is arranged on the volute supporting body; the impeller supporting device placing groove and the pump cover assembly supporting device placing groove are formed in the upper layer of the platform base at the front side of the volute supporting device placing groove, the impeller supporting device placing groove is formed in the right side of the pump cover assembly supporting device placing groove, the impeller supporting body and the pump cover assembly supporting body are respectively arranged in the impeller supporting device placing groove and the pump cover assembly supporting device placing groove, and the impeller and the pump cover assembly are respectively arranged on the impeller supporting body and the pump cover assembly supporting body.
Preferably, the upper layers of the platform bases on the left side and the right side of the suspension assembly support body are respectively provided with a support sliding table mounting hole, support sliding table assemblies are respectively mounted in the support sliding table mounting holes, each support sliding table assembly comprises a support sliding table, two guide rails for the support sliding table and a support sliding table cylinder, and each support sliding table is mounted on the corresponding guide rail for the corresponding support sliding table and controlled to slide on the corresponding guide rail for the corresponding support sliding table through the corresponding support sliding table cylinder.
Preferably, the suspension body assembling support body is provided with a suspension clamping body moving chute, a suspension body left clamping body and a suspension body right clamping body are arranged in the suspension clamping body moving chute, the suspension body left clamping body and the suspension body right clamping body are in semicircular arc shapes and are respectively arranged at the left side and the right side of the upper end of the suspension body assembling support body, and the suspension body left clamping body and the suspension body right clamping body are symmetrically arranged and respectively move in the suspension clamping body moving chute through two suspension body clamping body air cylinders.
Preferably, the centrifugal pump component assembly further comprises a lifting lug, and the lifting lug is mounted on the suspension body.
Preferably, the control component assembly comprises a master controller, a PLC controller assembly, a reversing valve assembly and a power box, wherein the master controller is arranged at the corner of the left rear end of the upper layer of the platform base and plays a role in controlling the whole device, and is provided with a scram device and a device state display; the PLC controller assembly is arranged at the central position of the lower layer of the platform base, has the functions of manual operation, automatic operation and automatic system storage, is connected with the master controller and the clamping and moving assembly through a data signal line, and realizes real-time data transmission, and the PLC controller assembly controls accurate movement of the clamping and moving assembly; the reversing valve assembly and the power box are arranged on the lower layer of the platform base, the main controller, the PLC controller assembly, the reversing valve assembly and the clamping moving assembly are powered by a three-phase power supply externally connected with the power box, and the reversing valve assembly is connected to the PLC controller assembly and controls the movement of each cylinder in the assembly tool assembly and the clamping moving assembly.
Preferably, the clamping moving assembly comprises a first mechanical arm, a second mechanical arm, a third mechanical arm, a fourth mechanical arm, a cylinder clamping claw and a cutter mounting body, wherein the first mechanical arm is arranged on a platform base at the left side of a front bearing cover placing rack and a front bearing pressing head placing table, the second mechanical arm is arranged on a platform base at the left side of a volute casing supporting device placing groove, the third mechanical arm is arranged on a platform base at the right side of a pump shaft placing table, the fourth mechanical arm is arranged on a platform base at the right side of a rear bearing cover placing rack and a rear bearing pressing head placing table, and the first mechanical arm, the second mechanical arm, the third mechanical arm and the fourth mechanical arm are arranged in a central symmetry manner by using a central point of a suspension body assembling supporting body; the two cylinder clamping claws are respectively arranged at the tail parts of the last joints of the first mechanical arm and the fourth mechanical arm and play a role in clamping; the cutter mounting body is provided with two cutter mounting bodies which are respectively arranged at the tail parts of the last joints of the mechanical arm II and the mechanical arm III, so that the cutter mounting body plays a role in fastening a fastener.
The invention has the beneficial effects that:
The single-stage single-suction centrifugal pump assembly platform is simple and novel in structure and convenient to use, manual operation is changed into single-stage single-suction centrifugal pump assembly operation by using a machine, so that the assembly efficiency of the centrifugal pump is greatly improved, the assembly precision is improved, the problem of unstable performance of the centrifugal pump caused by assembly errors is reduced, the working performance of the pump is improved, the difficulty degree of the assembly process of the centrifugal pump is reduced to a certain extent, and the mechanical arm and the air cylinder are controlled by mainly using a control program, so that the single-stage single-suction centrifugal pump assembly platform has popularization value.
Drawings
Fig. 1: the structure of the invention is schematically shown;
fig. 2: a top view of the structure of the invention;
Fig. 3: the invention is a structural back view;
fig. 4: the supporting platform assembly structure of the invention is schematically shown;
fig. 5: the suspension body assembly support body, the suspension body left clamping body, the suspension body right clamping body and the suspension body clamping body cylinder structure schematic diagram are provided;
fig. 6: the centrifugal pump structure schematic diagram of the invention is completed;
Fig. 7: the impeller support body and the impeller structure schematic diagram of the invention;
Fig. 8: the volute casing support body and the volute casing structure schematic diagram are provided;
Fig. 9: the pump cover assembly supporting body and the pump cover assembly structure schematic diagram are provided;
Fig. 10: the structure of the compactor is schematically shown.
Detailed Description
The following description of embodiments of the present invention is provided with reference to fig. 1 to 10:
as shown in fig. 1-10, a single-stage single-suction centrifugal pump assembly platform comprises a supporting platform assembly 100, a control component assembly 200, an assembling tool assembly 300, a clamping moving assembly 400 and a centrifugal pump part assembly 500, wherein the control component assembly 200, the assembling tool assembly 300, the clamping moving assembly 400 and the centrifugal pump part assembly 500 are all arranged on the supporting platform assembly 100.
The supporting platform assembly 100 comprises a platform base 101, a suspension body placing table 102, a pump shaft placing table 103, a rear bearing cover placing rack 104, a rear bearing pressing head placing table 105, a cutter placing box 106, a bearing carrying table 107, a pressing device placing groove 108, a front bearing cover placing rack 109, a front bearing pressing head placing table 110, an impeller supporting device placing groove 111, a pump cover assembly supporting device placing groove 112 and a volute supporting device placing groove 113, wherein the platform base 101 is divided into an upper layer and a lower layer, and four side surfaces are all in an opening state; the suspension body placing table 102 is of an arc-shaped plate structure and is arranged in the middle position of the left side of the upper layer of the platform base 101; the pump shaft placing table 103 consists of two pump shaft supporting bodies with arc top ends and is arranged at the corner of the left rear end of the upper layer of the platform base 101; the rear bearing cap placing frame 104 is arranged at the left front end corner of the upper layer of the platform base 101, the front bearing cap placing frame 109 is arranged at the right front end corner of the upper layer of the platform base 101, and five fixing pins are arranged on the rear bearing cap placing frame 104 and the front bearing cap placing frame 109; the rear bearing pressing head placing table 105 is arranged at the front corner of the left side of the upper layer of the platform base 101; the cutter placing box 106 is arranged at the middle position of the rear end of the upper layer of the platform base 101 and is used for storing fasteners and cutters required in the assembly process of the centrifugal pump; the bearing table 107 is arranged at the middle position of the front end of the upper layer of the platform base 101; the compactor placing groove 108 is arranged at the middle position of the front end of the upper layer of the platform base 101; the front bearing pressing head placing table 110 is arranged at the corner of the right front end of the upper layer of the platform base 101; the volute casing supporting device placing groove 113 is arranged at the corner of the right rear end of the upper layer of the platform base 101; the impeller supporting device placing groove 111 and the pump cover assembly supporting device placing groove 112 are arranged on the upper layer of the platform base 101 at the front side of the volute supporting device placing groove 113, and the impeller supporting device placing groove 111 is arranged on the right side of the pump cover assembly supporting device placing groove 112.
The control component assembly 200 comprises a main controller 201, a PLC controller assembly 202, a reversing valve assembly 203 and a power box 204, wherein the main controller 201 is arranged at the corner of the left rear end of the upper layer of the platform base 101, plays a role in controlling the whole device, and is provided with a scram device and a device state display; the PLC controller assembly 202 is arranged at the central position of the lower layer of the platform base 101, has the functions of manual operation, automatic operation and automatic system storage, is connected with the main controller 201 and the clamping moving assembly 400 through a data signal line, realizes real-time data transmission, and controls accurate movement of the clamping moving assembly 400 by the PLC controller assembly 202; the reversing valve assembly 203 and the power box 204 are arranged on the lower layer of the platform base 101, and the overall controller 201, the PLC controller assembly 202, the reversing valve assembly 203 and the clamping moving assembly 400 are powered by a three-phase power supply externally connected with the power box 204, and the reversing valve assembly 203 is connected to the PLC controller assembly 202 and controls the movement of each cylinder in the assembly tool assembly 300 and the clamping moving assembly 400.
The clamping moving assembly 400 comprises a first mechanical arm 401, a second mechanical arm 402, a third mechanical arm 403, a fourth mechanical arm 404, a cylinder clamping claw 405 and a cutter mounting body 406, wherein the first mechanical arm 401 is arranged on the left platform base 101 of the front bearing cover placing frame 109 and the front bearing pressing head placing table 110, the second mechanical arm 402 is arranged on the left platform base 101 of the volute casing supporting device placing groove 113, the third mechanical arm 403 is arranged on the right platform base 101 of the pump shaft placing table 103, the fourth mechanical arm 404 is arranged on the right platform base 101 of the rear bearing cover placing frame 104 and the rear bearing pressing head placing table 105, and the first mechanical arm 401, the second mechanical arm 402, the third mechanical arm 403 and the fourth mechanical arm 404 are arranged in a central symmetry mode by the central point of the suspension body assembling supporting body 301; the two cylinder clamping claws 405 are respectively arranged at the tail parts of the last joints of the mechanical arm I401 and the mechanical arm IV 404 to play a role in clamping; the cutter mounting body 406 is provided with two cutter mounting bodies, and the cutter mounting bodies are respectively arranged at the tail parts of the last joints of the mechanical arm two 402 and the mechanical arm three 403 and play a role in fastening fasteners.
The assembly tool assembly 300 comprises a suspension assembly support 301, a compressor 302, an impeller support 306, a pump cover assembly support 307, a volute casing support 308, a rear bearing compression head 309 and a front bearing compression head 310, the centrifugal pump component assembly 500 comprises a suspension 501, a pump shaft 502, a bearing 503, a rear bearing cover 504, a front bearing cover 505, a pump cover assembly 506, an impeller 507, a volute 508 and a lifting lug 509, the lifting lug 509 is mounted on the suspension 501, the suspension assembly support 301, the compressor 302, the impeller support 306, the pump cover assembly support 307, the volute casing support 308, the rear bearing compression head 309, the front bearing compression head 310, the suspension 501, the pump shaft 502, the bearing 503, the rear bearing cover 504 and the front bearing cover 505 are respectively arranged on the support platform assembly 100, and the pump cover assembly 506, the impeller 507 and the volute 508 are respectively arranged on the pump cover assembly support 307, the impeller support 306 and the volute casing support 308; suspension body 501, pump shaft 502, bearing 503, rear bearing cover 504, front bearing cover 505, pump cover assembly 506, impeller 507, volute 508 are assembled on support platform assembly 100 and suspension body assembly support 301 by clamping movement assembly 400 and under the action of suspension body assembly support 301, impactor 302, rear bearing pressure head 309, front bearing pressure head 310 under the control of control component assembly 200.
Wherein the suspension assembly support 301 is disposed at the center of the upper layer of the platform base 101; the suspension body 501 is provided on the suspension body placement stage 102; the pump shaft 502 is arranged on the pump shaft placing table 103; the rear bearing cap 504 is arranged on the rear bearing cap placing frame 104, the front bearing cap 505 is arranged on the front bearing cap placing frame 109, five fixing pins are arranged on the rear bearing cap placing frame 104 and the front bearing cap placing frame 109, so that the rear bearing cap 504 and the front bearing cap 505 can be placed conveniently; the rear bearing pressing head 309 is provided on the rear bearing pressing head placing table 105; the bearing 503 is arranged on the bearing carrying table 107; the compactor 302 comprises a compactor extension end and a compactor fixing seat, wherein the compactor extension end is arranged on the compactor fixing seat, the compactor fixing seat is arranged in the compactor placing groove 108, and the compactor extension end is controlled by a compactor cylinder; the front bearing pressing head 310 is mounted on the front bearing pressing head placing table 110; the volute casing support 308 is installed in the volute casing support placement groove 113, and the volute casing 508 is arranged on the volute casing support 308; the impeller support 306 and the pump cover assembly support 307 are respectively installed in the impeller support device placement groove 111 and the pump cover assembly support device placement groove 112, and the impeller 507 and the pump cover assembly 506 are respectively arranged on the impeller support 306 and the pump cover assembly support 307.
Wherein, the upper layer of the platform frame 101 at the left and right sides of the suspension assembly support 301 is provided with a support sliding table mounting hole, a support sliding table assembly is installed in the support sliding table mounting hole, the support sliding table assembly comprises a support sliding table 114, two support sliding table guide rails 115 and a support sliding table cylinder 116, and the support sliding table 114 is installed on the two support sliding table guide rails 115 and controlled to slide on the two support sliding table guide rails 115 through the support sliding table cylinder 116.
The suspension body assembling support 301 is provided with a suspension body moving chute 3011, a suspension body left clamping body 303 and a suspension body right clamping body 304 are arranged in the suspension body moving chute 3011, the suspension body left clamping body 303 and the suspension body right clamping body 304 are in semicircular arc shapes and are respectively arranged at the left side and the right side of the upper end of the suspension body assembling support 301, and the suspension body left clamping body 303 and the suspension body right clamping body 304 are symmetrically arranged and respectively controlled to move in the suspension body moving chute 3011 through two suspension body clamping body cylinders 305.
The working process of the single-stage single-suction centrifugal pump assembly platform is as follows:
① Before working, the staff places all parts to be assembled at the corresponding positions designated by the equipment, then starts the equipment, calls a program corrected in advance, and starts the equipment through the master controller 201.
② After the device is started, digital signals in the overall controller 201 are converted into electric signals through the PLC assembly 202 and sent to the inside of each mechanical arm in the clamping and moving assembly 400, so that each mechanical arm performs corresponding movement; after receiving the signal, the mechanical arm IV 404 starts corresponding rotation of each joint, drives the cylinder clamping claw 405 to move to the position, close to the lifting lug 509, on the upper end of the suspension body 501, the cylinder clamping claw 405 clamps the lifting lug 509 under the control of the reversing valve assembly 203, and the suspension body 501 is lifted to move between the suspension body left clamping body 303 and the suspension body right clamping body 304 on the suspension body assembly support body 301; the two suspension body clamping body cylinders 305 move inwards under the control of the reversing valve assembly 203, and finally clamp the suspension body 501; the cylinder clamping claw 405 of the mechanical arm IV 404 loosens the lifting lug 509, the mechanical arm IV 404 drives the cylinder clamping claw 405 to clamp the pump shaft 502, the mechanical arm IV 404 rotates to enable the pump shaft 502 to penetrate from the rear side of the suspension body 501, and the axis of the pump shaft 502 is overlapped with the axis of the suspension body 501, so that the specified position is reached.
③ The mechanical arm I401 drives the cylinder clamping claw 405 to clamp the bearing 503, and the bearing 503 enters from the front side of the suspension body 501 and is sleeved on the pump shaft 502; the first mechanical arm 401 again drives the cylinder gripper 405 to move, grabs the compactor 302 from the compactor placing groove 108 and moves to the bracket sliding table 114 on the right side of the suspension body assembly support body 301, and makes the boss on the lower side of the compactor 302 scratch into the bracket sliding table 114 along the sliding groove of the bracket sliding table 114 from the side surface so as to be fixed on the bracket sliding table 114.
④ The first mechanical arm 401 again grabs the front bearing pressing head 310 and installs the front bearing pressing head 310 on the pressing device extending end of the pressing device 302; the bracket sliding table cylinder 116 controls the bracket sliding table 114 to slide forwards on the two bracket sliding table guide rails 115, so that the bearing 503 is pre-tensioned under the action of the front bearing compression head 310; the presser cylinder performs back and forth reciprocating impact movement under the control of the reversing valve assembly 203, so that the bearing 503 is installed in place, and the support slipway 114 performs sliding withdrawal on the two support slipway guide rails 115 under the control of the support slipway cylinder 116.
⑤ The mechanical arm I401 drives the cylinder clamping claw 405 to clamp the front bearing cover 505 onto the pump shaft 502, the front bearing cover 505 is pushed in by the compactor 302 under the action of the bracket sliding table cylinder 116, the front bearing 503 is blocked by the front bearing cover 505, and the bracket sliding table 114 is retracted; the first mechanical arm 401 drives the cylinder clamping claw 405 to loosen the pump shaft 502, and the front bearing pressing head 310 and the pressing device 302 are respectively retrieved to be in place.
⑥ The mechanical arm II 402 drives the cutter mounting body 406 to move into the cutter placing box 106, selects a corresponding cutter, is provided with a corresponding fastener, and then moves to the front end of the suspension body 501 to fasten the front bearing cover 505; the mechanical arm IV 404 drives the cylinder clamping claw 405 to loosen the pump shaft 502, clamps the other bearing 503, and enables the bearing 503 to be sleeved on the pump shaft 502 from the rear side of the suspension body 501; the clamp 302 is removed by the mechanical arm IV 404 and is fixed on the bracket sliding table 114 on the left side of the suspension assembly support 301; the fourth mechanical arm 404 again grips the rear bearing pressing head 309 and installs the rear bearing pressing head 309 on the presser extension end of the presser 302, performing the same installation process as the above-described front bearing 503; after the rear bearing 503 is mounted, the mechanical arm four 404 grabs the rear bearing cover 504, and sleeves the rear bearing cover 504 on the pump shaft 502 from the rear side of the suspension body 501, and the rear bearing cover 504 is pressed against the rear bearing 503 again by the pressing device 302; the mechanical arm IV 404 drives the cylinder clamping claws 405 to respectively retrieve the rear bearing pressing head 309 and the pressing device 302 to the original positions; the third mechanical arm 403 drives the cutter mounting body 406 to move into the cutter placing box 106, selects a corresponding cutter, and after corresponding fasteners are configured, moves to the rear end of the suspension body 501 to fasten the rear bearing cover 504.
⑦ The mechanical arm I401 clamps the pump cover assembly support 307, so that the pump cover assembly support 307 drives the pump cover assembly 506 to be installed on the bracket sliding table 114 on the right side of the suspension body assembly support 301 together, and the bracket sliding table cylinder 116 controls the bracket sliding table 114 to slide forwards on the two bracket sliding table guide rails 115, so that the pump cover assembly 506 is pressed on the front end surface of the suspension body 501; the first robotic arm 401 retrieves the pump cap assembly support 307 and returns it to the pump cap assembly support device placement slot 112.
⑧ The mechanical arm I401 grabs the impeller support body 306 again, the impeller support body 306 and the impeller 507 are fixed on the support sliding table 114, and the support sliding table cylinder 116 controls the support sliding table 114 to slide forwards on the guide rails 115 for the two support sliding tables, so that the impeller 507 is pressed on the front end surface of the pump cover assembly 506; simultaneously, the first mechanical arm 401 retrieves the impeller support 306 into the impeller support accommodating groove 111; the mechanical arm two 402 drives the cutter mounting body 406 to the cutter placing box 106 to select a corresponding cutter, and after corresponding fasteners are configured, the cutter mounting body is moved to the front end face of the impeller 507 to fasten the impeller 507 to the pump shaft 502.
⑨ The mechanical arm I401 moves again, the volute casing support 308 is taken out and fixed on the bracket sliding table 114, the bracket sliding table cylinder 116 controls the bracket sliding table 114 to slide forwards on the two bracket sliding table guide rails 115, and six fixing screws of the volute casing 508 are moved to be in contact with the fixing holes of the suspension body 501; the third mechanical arm 403 drives the cutter mounting body 406 to the cutter placing box 106 to select a corresponding cutter, and after corresponding fasteners are configured, the cutter is moved to the rear end face of the volute 508 to fasten the volute 508 to the suspension body 501; then the mechanical arm IV 404 drives the cylinder clamping claw 405 to enter the lifting lug 509 again to clamp, the two suspension clamping body cylinders 305 start to retract under the control of the reversing valve assembly 203, and when the cylinders completely retract to the original positions, the mechanical arm IV 404 moves to vertically lift the assembled centrifugal pump off the whole device; simultaneously, the first mechanical arm 401 returns the volute supporting body 308 to the volute supporting device placing groove 113, and all mechanisms are restored to the initial positions; and (5) carrying out the assembly process for a plurality of times, and repeating the operation.
The single-stage single-suction centrifugal pump assembly platform is simple and novel in structure and convenient to use, manual operation is changed into single-stage single-suction centrifugal pump assembly operation by using a machine, so that the assembly efficiency of the centrifugal pump is greatly improved, the assembly precision is improved, the problem of unstable performance of the centrifugal pump caused by assembly errors is reduced, the working performance of the pump is improved, the difficulty degree of the assembly process of the centrifugal pump is reduced to a certain extent, and the mechanical arm and the air cylinder are controlled by mainly using a control program, so that the single-stage single-suction centrifugal pump assembly platform has popularization value.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the above embodiments, but is also within the scope of the invention if the inventive concept and technical scheme is not substantially modified or applied directly to other occasions without modification.
Claims (6)
1. The single-stage single-suction centrifugal pump assembly platform is characterized by comprising a supporting platform assembly (100), a control component assembly (200), an assembling tool assembly (300), a clamping moving assembly (400) and a centrifugal pump part assembly (500), wherein the control component assembly (200), the assembling tool assembly (300), the clamping moving assembly (400) and the centrifugal pump part assembly (500) are all arranged on the supporting platform assembly (100); the assembly tool assembly (300) comprises a suspension body assembly supporting body (301), a compressor (302), an impeller supporting body (306), a pump cover assembly supporting body (307), a volute casing supporting body (308), a rear bearing compressing head (309) and a front bearing compressing head (310), and the centrifugal pump part assembly (500) comprises a suspension body (501), a pump shaft (502), a bearing (503), a rear bearing cover (504), a front bearing cover (505), a pump cover assembly (506), an impeller (507) and a volute casing (508); the suspension body assembly support body (301), the compressor (302), the impeller support body (306), the pump cover assembly support body (307), the volute casing support body (308), the rear bearing compression head (309), the front bearing compression head (310), the suspension body (501), the pump shaft (502), the bearing (503), the rear bearing cover (504) and the front bearing cover (505) are respectively arranged on the support platform assembly (100), and the pump cover assembly (506), the impeller (507) and the volute casing (508) are respectively arranged on the pump cover assembly support body (307), the impeller support body (306) and the volute casing support body (308); the suspension body (501), the pump shaft (502), the bearing (503), the rear bearing cover (504), the front bearing cover (505), the pump cover assembly (506), the impeller (507) and the volute (508) are assembled on the supporting platform assembly (100) and the suspension body assembly support body (301) under the control of the control component assembly (200) through clamping the moving assembly (400) and under the action of the suspension body assembly support body (301), the compactor (302), the rear bearing compaction head (309) and the front bearing compaction head (310);
The supporting platform assembly (100) comprises a platform base (101), a suspension body placing table (102), a pump shaft placing table (103), a rear bearing cover placing rack (104), a bearing platform (107) and a front bearing cover placing rack (109), wherein the platform base (101) is divided into an upper layer and a lower layer, and four side surfaces are all in an opening state; the suspension body placing table (102) is of an arc-shaped plate structure and is arranged at the middle position of the left side of the upper layer of the platform base (101), and the suspension body (501) is arranged on the suspension body placing table (102); the pump shaft placing table (103) consists of two pump shaft supporting bodies with arc top ends and is arranged at the corner of the left rear end of the upper layer of the platform base (101), and the pump shaft (502) is arranged on the pump shaft placing table (103); the bearing platform (107) is arranged at the middle position of the front end of the upper layer of the platform base (101), and the bearing (503) is arranged on the bearing platform (107); the rear bearing cover placing frame (104) is arranged at the front corner of the left side of the upper layer of the platform base (101), the rear bearing cover (504) is arranged on the rear bearing cover placing frame (104), the front bearing cover placing frame (109) is arranged at the front corner of the right side of the upper layer of the platform base (101), the front bearing cover (505) is arranged on the front bearing cover placing frame (109), and five fixing pins are respectively arranged on the rear bearing cover placing frame (104) and the front bearing cover placing frame (109) so as to be convenient for placing the rear bearing cover (504) and the front bearing cover (505); the centrifugal pump part assembly (500) further comprises a lifting lug (509), and the lifting lug (509) is mounted on the suspension body (501).
2. The single-stage single-suction centrifugal pump assembly platform according to claim 1, wherein the support platform assembly (100) further comprises a rear bearing pressing head placing table (105), a cutter placing box (106), a compactor placing groove (108), a front bearing pressing head placing table (110), an impeller supporting device placing groove (111), a pump cover assembly supporting device placing groove (112) and a volute supporting device placing groove (113), and the suspension assembly supporting body (301) is arranged at the center position of the upper layer of the platform base (101); the rear bearing pressing head placing table (105) is arranged at the corner of the left front end of the upper layer of the platform base (101), and the rear bearing pressing head (309) is arranged on the rear bearing pressing head placing table (105); the cutter placing box (106) is arranged at the middle position of the rear end of the upper layer of the platform base (101) and is used for storing fasteners and cutters required in the assembly process of the centrifugal pump; the compactor placing groove (108) is formed in the middle of the front end of the upper layer of the platform base (101), the compactor (302) comprises a compactor extending end and a compactor fixing seat, the compactor extending end is arranged on the compactor fixing seat, the compactor fixing seat is arranged in the compactor placing groove (108), and the compactor extending end is controlled by a compactor cylinder; the front bearing pressing head placing table (110) is arranged at the corner of the right front end of the upper layer of the platform base (101), and the front bearing pressing head (310) is arranged on the front bearing pressing head placing table (110); the volute supporting device placing groove (113) is arranged at the corner of the right rear end of the upper layer of the platform base (101), the volute supporting body (308) is arranged in the volute supporting device placing groove (113), and the volute (508) is arranged on the volute supporting body (308); impeller strutting arrangement standing groove (111), pump cover assembly strutting arrangement standing groove (112) all set up on platform frame (101) upper strata of spiral case strutting arrangement standing groove (113) front side, impeller strutting arrangement standing groove (111) set up in the right side of pump cover assembly strutting arrangement standing groove (112), impeller support (306), pump cover assembly support (307) are installed respectively in impeller strutting arrangement standing groove (111), pump cover assembly strutting arrangement standing groove (112), impeller (507), pump cover assembly (506) set up respectively on impeller support (306), pump cover assembly support (307).
3. The single-stage single-suction centrifugal pump assembly platform according to claim 2, wherein the upper layers of the platform bases (101) on the left side and the right side of the suspension body assembly support body (301) are respectively provided with a support sliding table mounting hole, support sliding table assemblies are respectively mounted in the support sliding table mounting holes, each support sliding table assembly comprises a support sliding table (114), two support sliding table guide rails (115) and a support sliding table cylinder (116), and each support sliding table (114) is mounted on the corresponding two support sliding table guide rails (115) and is controlled to slide on the corresponding two support sliding table guide rails (115) through the corresponding support sliding table cylinder (116).
4. A single-stage single-suction centrifugal pump assembly platform according to claim 2 or 3, wherein a suspension clamping body moving chute (3011) is arranged on the suspension body assembly support body (301), a suspension body left clamping body (303) and a suspension body right clamping body (304) are arranged in the suspension clamping body moving chute (3011), the suspension body left clamping body (303) and the suspension body right clamping body (304) are in semicircular arc shapes, are respectively arranged on the left side and the right side of the upper end of the suspension body assembly support body (301), and the suspension body left clamping body (303) and the suspension body right clamping body (304) are symmetrically arranged and are respectively controlled to move in the suspension clamping body moving chute (3011) through two suspension body clamping body cylinders (305).
5. The single-stage single-suction centrifugal pump assembly platform according to claim 1, wherein the control component assembly (200) comprises a main controller (201), a PLC controller assembly (202), a reversing valve assembly (203) and a power supply box (204), the main controller (201) is arranged at the left rear end corner of the upper layer of the platform base (101) and plays a role in controlling the whole device, and the main controller (201) is provided with a scram device and a device state display; the PLC controller assembly (202) is arranged at the central position of the lower layer of the platform base (101), has functions of manual operation, automatic operation and automatic system storage, is connected with the main controller (201) and the clamping moving assembly (400) through data signal lines, and realizes real-time data transmission, and the PLC controller assembly (202) controls accurate movement of the clamping moving assembly (400); the reversing valve assembly (203) and the power box (204) are arranged on the lower layer of the platform base (101), the main controller (201), the PLC controller assembly (202), the reversing valve assembly (203) and the clamping moving assembly (400) are powered by a three-phase power supply externally connected with the power box (204), and the reversing valve assembly (203) is connected to the PLC controller assembly (202) and controls the movement of each cylinder in the assembling tool assembly (300) and the clamping moving assembly (400).
6. The single-stage single-suction centrifugal pump assembly platform according to claim 2, wherein the clamping moving assembly (400) comprises a first mechanical arm (401), a second mechanical arm (402), a third mechanical arm (403), a fourth mechanical arm (404), a cylinder clamping claw (405) and a cutter mounting body (406), wherein the first mechanical arm (401) is arranged on a left platform base (101) of the front bearing cover placing frame (109), the front bearing pressing head placing table (110), the second mechanical arm (402) is arranged on a left platform base (101) of the volute supporting device placing groove (113), the third mechanical arm (403) is arranged on a right platform base (101) of the pump shaft placing table (103), the fourth mechanical arm (404) is arranged on a right platform base (101) of the rear bearing cover placing frame (104) and the rear bearing pressing head placing table (105), and the first mechanical arm (401), the second mechanical arm (402), the third mechanical arm (403) and the fourth mechanical arm (404) are symmetrically arranged with a center point of the center of the assembly supporting body (301); the two cylinder clamping claws (405) are respectively arranged at the tail parts of the last joints of the mechanical arm I (401) and the mechanical arm IV (404) to play a role in clamping; the cutter mounting body (406) is provided with two cutter mounting bodies which are respectively arranged at the tail parts of the last joints of the mechanical arm II (402) and the mechanical arm III (403) to play a role in fastening a fastener.
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| CN201911000049.6A CN110605578B (en) | 2019-10-21 | 2019-10-21 | Single-stage single-suction centrifugal pump assembly platform |
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| CN201911000049.6A CN110605578B (en) | 2019-10-21 | 2019-10-21 | Single-stage single-suction centrifugal pump assembly platform |
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| CN110605578B true CN110605578B (en) | 2024-05-28 |
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| CN117399985B (en) * | 2023-12-15 | 2024-03-05 | 杭州新亚低温科技有限公司 | High-accuracy and high-efficiency assembling and debugging system for high-power high-lift cryogenic pump |
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