Flexible assembly production line for ball valves

Abstract

The utility model belongs to the technical field of ball valve assembly, and relates to a flexible assembly production line for ball valves. The conveying mechanism comprises a track and a moving trolley capable of walking on the track; a preassembling unit, a body unit, a pressure testing unit and a final assembly testing unit are sequentially arranged on one side of the track in the length direction and are connected with a control electric cabinet, and the control electric cabinet is controlled by a PLC (Programmable Logic Controller); and conveying of the containers among the operation units is completed. The body unit comprises a plurality of body assembling stations, each body assembling station comprises a workbench, a bearing bottom plate is installed on each workbench, a rotary supporting part is movably arranged on each bearing bottom plate, a clamping air cylinder is further fixedly installed on each bearing bottom plate, and a piston rod of each clamping air cylinder can move in the vertical direction. According to the production line, flexible dispatching of products in the assembling process can be effectively implemented in a discrete production organization mode, the circulation efficiency of the products in process is improved, the labor intensity of operators is reduced, and meanwhile, the warehousing and caching requirements of the products between procedures are met.

Description

Technical Field

[0001] The utility model belongs to the technical field of ball valve assembly, and relates to a ball valve flexible assembly production line. Background Art

[0002] With the vigorous development of automation applications, ball valves are increasingly widely used in the petrochemical industry, sewage treatment industry, food and beverage industry, etc. The main function of the ball valve is to control the switching and regulation of the fluid to ensure the normal flow of the fluid in the pipeline. The advantages of the ball valve are simple structure, easy operation, good sealing, strong corrosion resistance and the ability to withstand high pressure and high temperature. The production mode of ball valves is mainly based on discrete production of multiple varieties and large quantities. It is difficult to realize the automated assembly process under this mode; the traditional production mode is difficult to meet the huge market demand, and a new assembly mode is urgently needed. Summary of the invention

[0003] In view of the above-mentioned problems, the utility model provides a flexible assembly production line for ball valves, which can effectively implement flexible scheduling of products in the assembly process under a discrete production organization mode, improve the circulation efficiency of work-in-progress, reduce the labor intensity of operators, and at the same time meet the storage and caching needs of products between processes.

[0004] According to the technical solution of the utility model: a ball valve flexible assembly production line, characterized in that it includes:

[0005] A conveying mechanism, the conveying mechanism comprising a track and a moving vehicle movably arranged on the track;

[0006] A pre-installation unit, a main unit, a pressure test unit and an assembly test unit are sequentially arranged along the length extension direction on one side of the track;

[0007] The conveying mechanism, the first conveying line of the pre-installation unit, the first assembly lines of the pre-installation unit, the second conveying line of the main unit, the second assembly lines of the main unit, the third conveying line of the pressure test unit, the lower line of the pressure test unit, the upper line of the pressure test unit, the fourth conveying line of the final assembly test unit and the third assembly lines of the final assembly test unit are connected to the control cabinet, which is controlled by PLC; the conveying of the container between the operating units is completed;

[0008] The body unit comprises a plurality of body assembly stations, a second conveyor line body and a plurality of second assembly line bodies, each body assembly station is matched with a second assembly line body; the second conveyor line body, the second assembly line body and the body assembly station are fixed to the ground respectively;

[0009] The main body unit includes a plurality of main body assembly stations, each of which includes a workbench, on which a bearing base is installed, on which a rotating support component is movably arranged, and a clamping cylinder is also fixedly installed on the bearing base, and a piston rod of the clamping cylinder can move in a vertical direction.

[0010] As a further improvement of the present invention, the pre-installation unit includes a plurality of pre-installation assembly stations, a first conveyor line body, and a plurality of first assembly line bodies. Each pre-installation assembly station is respectively equipped with a first assembly line body, and the pre-installation assembly station and the first assembly line body are arranged in a straight line and parallel to the first conveyor line body. The first assembly line body is close to the track, and the first conveyor line body and the first assembly line body are respectively fixed to the ground.

[0011] As a further improvement of the present invention, the plurality of pre-assembly workstations are all assembly workbenches.

[0012] As a further improvement of the present invention, a container is stored in the first conveying line body, and the container can be used to place ball valves of different specifications and circulate as a universal carrier.

[0013] As a further improvement of the present invention, each of the body units includes three groups of body assembly stations.

[0014] As a further improvement of the utility model, the pressure test unit includes a plurality of upper line bodies, a plurality of lower line bodies, a plurality of pressure testing stations and a third conveying line body; the third conveying line body, the lower line body, the upper line body and the plurality of pressure testing stations are respectively fixed to the ground.

[0015] As a further improvement of the present invention, the pressure testing station includes an equipment main frame, and a driving frame is respectively arranged at both ends of the length direction of the equipment main frame. Each of the driving frames is respectively arranged with three sets of jaws, and each set of jaws is respectively driven by a hydraulic cylinder installed in the driving frame.

[0016] As a further improvement of the present invention, the final assembly and testing unit includes a fourth conveyor line, a number of final assembly and testing stations, a number of third assembly lines and a number of performance testing devices; the fourth conveyor line, a number of final assembly and testing stations, a number of third assembly lines and a number of performance testing devices are respectively fixed on the ground.

[0017] As a further improvement of the present invention, the final assembly test stations correspond one to one with the performance detection devices, and four groups are provided in total; every two groups correspond to a third assembly line body.

[0018] As a further improvement of the utility model, the assembly test station includes a test mounting frame and an adjustment rod rotatably arranged on the upper side plate of the test mounting frame, a clamping block is installed on the axial inner end of the adjustment rod, and a hand wheel is installed on the axial outer end of the adjustment rod.

[0019] As a further improvement of the utility model, the control cabinet is connected to the conveying mechanism, the first conveying line body, several first assembly line bodies, the second conveying line body, several second assembly line bodies, the third conveying line body, the lower line body, the upper line body, the fourth conveying line body and several third assembly line bodies, and the control cabinet is controlled by PLC.

[0020] The technical effect of the utility model is that the product structure of the utility model is reasonable and ingenious, and the mobile vehicle can realize flexible scheduling of products between different working units and between working units and conveying lines, which greatly improves the flow efficiency in the ball valve assembly process, reduces the labor intensity of personnel, and solves the problem of product storage and caching between working processes. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model.

[0022] Figure 2 This is the axonometric diagram of the conveying mechanism.

[0023] Figure 3 Axonometric drawing of the pre-assembled unit.

[0024] Figure 4 This is the axonometric drawing of the main unit.

[0025] Figure 5 This is the axonometric view of the pressure test unit.

[0026] Figure 6 This is the axonometric view of the final assembly test unit.

[0027] Figure 7 This is an axonometric view of the container.

[0028] Figure 8 This is the product axonometric drawing. DETAILED DESCRIPTION

[0029] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0030] Figures 1 to 8It includes a conveying mechanism 1, a track 11, a mobile vehicle 12, a pre-installation unit 2, a container 21, a first conveyor line body 22, a first assembly line body 23, a pre-installation assembly station 24, a main body unit 3, a second conveyor line body 31, a second assembly line body 32, a main body assembly station 33, a pressure test unit 4, a third conveyor line body 41, a lower line body 42, an upper line body 43, a pressure test station 44, an assembly test unit 5, a fourth conveyor line body 51, an assembly test station 52, a third assembly line body 53, a performance detection device 54, a control cabinet 6, and a ball valve 7.

[0031] like Figures 1 to 8 As shown, the utility model is a ball valve flexible assembly production line, including a conveying mechanism 1, the conveying mechanism 1 includes a track 11 and a moving vehicle 12 movably arranged on the track 11, and the conveying mechanism 1 is used to realize the conveyance of products. The conveying mechanism 1 is a mature product in the prior art, and the utility model product directly adopts it. The invention purpose of the utility model is to provide a ball valve flexible assembly production line structure.

[0032] A pre-installed unit 2, a main unit 3, a pressure test unit 4, an assembly test unit 5, and a control cabinet 6 are sequentially arranged along the length direction on one side of the track 11. The pre-installed unit 2, the main unit 3, the pressure test unit 4, the assembly test unit 5, and the control cabinet 6 are arranged in a straight line.

[0033] The control cabinet 6 is connected to the conveying mechanism 1, the first conveying line 22 of the pre-installation unit, several first assembly lines 23 of the pre-installation unit, the second conveying line 31 of the main unit, several second assembly lines 32 of the main unit, the third conveying line 41 of the pressure test unit, the lower line 42 of the pressure test unit, the upper line 43 of the pressure test unit, the fourth conveying line 51 of the final assembly and testing unit, and several third assembly lines 53 of the final assembly and testing unit, and the control cabinet 6 is controlled by PLC.

[0034] The pre-installation unit 2 is used to perform the pre-installation assembly process, the main body unit 3 is used to perform the main body assembly process, the pressure test unit 4 is used to perform the pressure test process, the final assembly test unit 5 is used to perform the final assembly, accessory connection and product debugging processes, and the control cabinet 6 is used to control the product transportation of the assembly production line.

[0035] like Figure 2 As shown, the pre-assembly unit 2 includes a plurality of pre-assembly stations 24, each of which is an assembly workbench.

[0036] The pre-installation unit 2 also includes a first conveyor line body 22 and a plurality of first assembly line bodies 23. Each pre-installation assembly station 24 is respectively provided with a first assembly line body 23, and the pre-installation assembly station 24 and the first assembly line body 23 are arranged in a straight line and parallel to the first conveyor line body 22. The first assembly line body 23 is close to the track 11, and the container 21 is stored in the first conveyor line body 22. The first conveyor line body 22 and the first assembly line body 23 are respectively fixed to the ground by anchor bolts. The container 21 can be used to place ball valves of different specifications and circulate as a universal carrier.

[0037] The conveying mechanism 1 conveys the container 21 containing the product between each operation unit to realize the storage and buffering of the product between the processes. It is understandable that in the specific operation, after the product is placed in the container 21, the product and the container 21 can be regarded as a whole for circulation.

[0038] like Figure 4 As shown, the body unit 3 includes a plurality of body assembly stations 33, a second conveyor line body 31 and a plurality of second assembly line bodies 32, and each body assembly station 33 is respectively matched with a second assembly line body 32. The second conveyor line body 31, the second assembly line body 32 and the body assembly station 33 are respectively fixed to the ground by anchor bolts.

[0039] Each of the body assembly stations 33 includes a workbench 33-1, on which a bearing base plate 33-2 is installed, on which a rotating support component 33-3 is movably provided, and on which a clamping cylinder 33-4 is fixedly installed, wherein the piston rod of the clamping cylinder 33-4 can move in a vertical direction.

[0040] like Figure 5 As shown, the pressure test unit 4 includes a third conveyor line body 41, a plurality of lower line bodies 42, a plurality of upper line bodies 43, and a plurality of pressure test stations 44. The third conveyor line body 41, the lower line body 42, the upper line body 43, and the pressure test station 44 are respectively fixed to the ground by anchor bolts.

[0041] The pressure test station 44 includes a main equipment frame 44-1, and a driving frame 44-2 is respectively arranged at both ends of the length direction of the main equipment frame 44-1. Each driving frame 44-2 is respectively provided with three sets of clamps 44-3, and each set of clamps 44-3 is respectively driven by a hydraulic cylinder installed in the driving frame 44-2.

[0042] like Figure 6As shown, the final assembly test unit 5 includes a fourth conveyor line body 51, a plurality of final assembly test stations 52, a plurality of third assembly line bodies 53, and a plurality of performance detection devices 54. The fourth conveyor line body 51, the final assembly test station 52, and the third assembly line body 53 are respectively fixed to the ground by anchor bolts. The performance detection device 54 includes a control circuit, which is equipped with electronic components and a set of testing software. The performance detection device 54 is a mature product in the prior art, and the utility model product directly adopts it to perform performance detection on the ball valve 7. The performance detection device 54 in the utility model adopts the valve performance automatic detection device disclosed in the Chinese invention patent with application number: CN2022103914358.

[0043] The final assembly test station 52 corresponds to the performance test device 54 one by one, and there are four groups in total; every two groups correspond to a third assembly line body 53. The final assembly test station 52 includes a test mounting frame and an adjustment rod rotatably arranged on the upper side plate of the test mounting frame, a clamping block is installed at the axial inner end of the adjustment rod, and a hand wheel is installed at the axial outer end of the adjustment rod.

[0044] like Figures 1 to 8 As shown, when the product of the utility model is working, in the actual assembly process, the conveying mechanism 1 conveys the empty container 21 from the first conveying line body 22 and places it on the first assembly line body 23. The pre-assembly process is performed at the pre-assembly station 24, and the pre-assembly product is placed in the empty container 21 on the first assembly line body 23.

[0045] The conveying mechanism 1 conveys the container 21 with the product on the first assembly line 23 to the second assembly line 32, and clamps the product to the main assembly station 33 to perform the main assembly process. After the main assembly process is completed, the product is placed in the empty container 21 on the second assembly line 32.

[0046] When the main unit does not meet the assembly conditions, the conveying mechanism 1 can convey the container 21 to the second conveying line 31 for storage; when the assembly conditions are met, the conveying mechanism 1 conveys the container 21 stored in the second conveying line 31 to the second assembly line 32 and then performs the main unit operation.

[0047] The conveying mechanism 1 conveys the empty container 21 from the first conveying line body 22 and places it on the upper line body 43 .

[0048] The conveying mechanism 1 conveys the container 21 with the product on the second assembly line body 32 to the lower line body 42 to perform the offline action, and uses the universal lifting equipment to lift the product to the pressure testing station 44 for pressure testing. After the test is completed, the universal lifting equipment is used again to lift the product into the empty container 21 on the upper line body 43.

[0049] The conveying mechanism 1 conveys the empty container 21 on the lower conveying line body 42 to the first conveying line body 22 .

[0050] When the pressure test unit does not meet the pressure test conditions, the conveying mechanism 1 can convey the container 21 to the third conveying line body 41 for storage; when the pressure test conditions are met, the conveying mechanism 1 conveys the container 21 stored in the third conveying line body 41 to the lower line body 42 and then performs the pressure test unit operation.

[0051] The conveying mechanism 1 conveys the container 21 with the product on the upper assembly line 43 to the third assembly line 53, and clamps the product to the final assembly test station 52 to perform the assembly, accessory connection and product debugging process. The product that has completed the final assembly test is hoisted from the final assembly test station 52 using a universal lifting device, and the conveying mechanism 1 conveys the empty container 21 on the third assembly line 53 to the first conveying line 22.

[0052] When the final assembly and testing unit does not meet the assembly conditions, the conveying mechanism 1 can convey the container 21 to the fourth conveying line 51 for storage; when the assembly conditions are met, the conveying mechanism 1 conveys the container 21 stored in the fourth conveying line 51 to the third assembly line 53 and then performs the final assembly and testing unit operation.

[0053] The assembly production line is controlled by the PLC in the control cabinet 6 to complete the transportation of the container 21 between the various operation units.

[0054] It should be noted that the process flow in this implementation example is not limited to being implemented one by one from the first process to the last process, but flexible scheduling between processes can be achieved.

[0055] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of this patent and are not intended to limit it. Although this patent has been described in detail with reference to examples, ordinary technicians in this field should understand that the technical solution of this patent can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of this patent, which should be included in the scope of the claims of this patent.

Claims

1. A ball valve flexible assembly production line, characterized in that: include: A conveying mechanism (1), the conveying mechanism (1) comprising a track (11) and a moving vehicle (12) movably arranged on the track (11); A pre-installation unit (2), a main unit (3), a pressure test unit (4) and an assembly test unit (5) are sequentially arranged on one side of the track (11) along a length extension direction; The conveying mechanism (1), the first conveying line body (22) of the pre-installation unit, the plurality of first assembly lines (23) of the pre-installation unit, the second conveying line body (31) of the main unit, the plurality of second assembly lines (32) of the main unit, the third conveying line body (41) of the pressure test unit, the lower line body (42) of the pressure test unit, the upper line body (43) of the pressure test unit, the fourth conveying line body (51) of the final assembly and testing unit, and the plurality of third assembly lines (53) of the final assembly and testing unit are connected to a control cabinet (6), and the control cabinet (6) is controlled by a PLC; the conveying of the container between the various operation units is completed; The main body unit (3) comprises a plurality of main body assembly stations (33), a second conveyor line body (31) and a plurality of second assembly line bodies (32); each main body assembly station (33) is matched with a second assembly line body (32); the second conveyor line body (31), the second assembly line body (32) and the main body assembly station (33) are respectively fixed to the ground; Each of the body assembly stations (33) comprises a workbench (33-1), a bearing base plate (33-2) being mounted on the workbench (33-1), a rotating support component (33-3) being movably arranged on the bearing base plate (33-2), and a clamping cylinder (33-4) being fixedly mounted on the bearing base plate (33-2), wherein a piston rod of the clamping cylinder (33-4) is movable in a vertical direction.

2. The ball valve flexible assembly production line according to claim 1, characterized in that: The pre-installation unit (2) comprises a plurality of pre-installation assembly stations (24), a first conveyor line body (22), and a plurality of first assembly line bodies (23); each pre-installation assembly station (24) is respectively provided with a first assembly line body (23); the pre-installation assembly station (24) and the first assembly line body (23) are arranged in a straight line and are parallel to the first conveyor line body (22); the first assembly line body (23) is close to the track (11); and the first conveyor line body (22) and the first assembly line body (23) are respectively fixed to the ground.

3. The ball valve flexible assembly production line according to claim 2, characterized in that: The plurality of pre-assembly workstations (24) are all assembly workbenches.

4. The ball valve flexible assembly production line according to claim 2, characterized in that: The first conveying line body (22) contains a storage container (21), wherein the container (21) can be used to store ball valves of different specifications and circulate as a universal carrier.

5. The ball valve flexible assembly production line according to claim 1, characterized in that: Each of the body units (3) comprises three groups of body assembly stations (33).

6. The ball valve flexible assembly production line according to claim 1, characterized in that: The pressure test unit (4) comprises a plurality of upper line bodies (43), a plurality of lower line bodies (42), a plurality of pressure test stations (44) and a third conveying line body (41); the third conveying line body (41), the lower line body (42), the upper line body (43) and the plurality of pressure test stations (44) are respectively fixed to the ground.

7. The ball valve flexible assembly production line according to claim 6, characterized in that: The pressure test station (44) comprises an equipment main frame (44-1), a driving frame (44-2) is respectively arranged at both ends of the equipment main frame (44-1) in the length direction, each driving frame (44-2) is respectively arranged with three sets of clamping jaws (44-3), and each set of clamping jaws (44-3) is respectively driven by a hydraulic cylinder installed in the driving frame (44-2).

8. The ball valve flexible assembly production line according to claim 1, characterized in that: The final assembly test unit (5) comprises a fourth conveyor line body (51), a plurality of final assembly test stations (52), a plurality of third assembly line bodies (53) and a plurality of performance detection devices (54); the fourth conveyor line body (51), the plurality of final assembly test stations (52), the plurality of third assembly line bodies (53) and the plurality of performance detection devices (54) are respectively fixed to the ground.

9. The ball valve flexible assembly production line according to claim 8, characterized in that: The final assembly test stations (52) correspond to the performance detection devices (54) one by one, and a total of four groups are provided; every two groups correspond to a third assembly line body (53).

10. The ball valve flexible assembly production line according to claim 9, characterized in that: The final assembly test station (52) comprises a test mounting frame and an adjustment rod rotatably arranged on an upper side plate of the test mounting frame, a pressing block is installed at the axial inner end of the adjustment rod, and a hand wheel is installed at the axial outer end of the adjustment rod.

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