Valve shell welding operation equipment

Abstract

The invention relates to the technical field of welding operation machines, and discloses valve shell welding operation equipment which comprises a workbench, a numerical control sliding rail is fixedly connected to the top of the workbench, a supporting part is fixedly connected to the bottom of the workbench, and a lifting platform is slidably connected to the interior of the numerical control sliding rail. Through the arrangement of loosening protection equipment, when the lifting platform is out of control and falls due to faults, a piston block accelerates to vertically move downwards to push water flow in a plunger pump to flow out from the output end of the plunger pump through a one-way guide-out check valve, and water flow in a water storage tank is guided into the plunger pump through a one-way guide-in check valve; water flowing out of the one-way guide-out check valve flows through the water injection hose and finally flows into the stacked water bed, a buffer area with a buffer effect is rapidly and automatically built through rapid expansion of the stacked water bed, the maximum life protection guarantee is provided for operators, casualties caused by rapid falling of the operators are avoided, and the service life of the operators is prolonged. And a stable and safe operation environment is provided for operators.

Description

Technical Field

[0001] The present invention relates to the technical field of welding manipulators, and particularly to a welding operation device for valve shells. Background Art

[0002] A welding manipulator is a mechanical device used to assist or automate the welding process, and is widely used in industrial manufacturing, pipeline construction, shipbuilding and other fields. It improves the welding efficiency and quality by precisely controlling the position, angle and movement trajectory of the welding torch or workpiece, while reducing the labor intensity and safety hazards of manual operations.

[0003] According to the publicly disclosed safety anti-falling device for the lifting mechanism of a welding manipulator (publication number: CN 104439806B), it includes a first bracket, a second bracket and a fixing plate arranged between the first bracket and the second bracket. The fixing plate is provided with a notch and rotatably connected with a pawl through a core shaft. A blind hole is horizontally formed on the first bracket, and a top block is movably arranged in the blind hole. A spring is arranged between the top block and the bottom of the blind hole. One end of the lower part of the pawl is provided with a convex block for jamming the top block, and the other end of the lower part of the pawl is provided with a stop pawl matched with a ratchet tooth. An installation block is arranged on the upper part of the pawl, and an installation hole for connecting with a chain is formed on the installation block. This invention can effectively prevent accidents such as the chain breaking and heavy objects falling due to chain aging or external forces, effectively ensuring the safety of the equipment and the personal safety of the operators. It has the characteristics of simple and compact structure, flexible operation, reliable locking, durability, and convenient and fast installation and disassembly.

[0004] However, in the above application, through the settings of components such as the pawl and the installation block, when the chain breaks and heavy objects fall due to chain aging or external forces, after the safety anti-falling device is impacted by a strong heavy object, it is difficult to ensure its normal operation, and it is difficult to provide support and buffer protection for the operating staff. Therefore, a welding operation device for valve shells is proposed to solve the above-mentioned problems. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide a welding operation device for valve shells in view of the above-mentioned deficiencies in the prior art.

[0006] To solve the above technical problems, the technical solution adopted by the present invention is: a valve housing welding operation device, including a workbench, on the top of which a numerical control slide rail is fixedly connected, and at one end of the numerical control slide rail, a loosening protection device is provided; the loosening protection device includes a steel cable groove disc, one end of which penetrates through the numerical control slide rail and is rotatably connected to the numerical control slide rail. On the top of the lifting platform, a counterweight iron block is fixedly connected, and on the top of the counterweight iron block, a strength steel cable is fixedly connected. One end of the strength steel cable is wound and fixedly connected inside a circular groove formed on the outer surface of the steel cable groove disc through the steel cable groove disc. At the end of the steel cable groove disc away from the numerical control slide rail, a meshing tooth block is fixedly connected. On the side of the numerical control slide rail, an adapted rack bar is slidably connected. At one end of the adapted rack bar, a connecting cross plate is fixedly connected. At the bottom of the connecting cross plate, a plunger rod is fixedly connected. One end of the plunger rod penetrates through a plunger pump, and at the end of the plunger rod penetrating through the plunger pump, a piston block is fixedly connected. The outer surface of the piston block is slidably connected to the inner wall of the plunger pump. At the input end of the plunger pump, a water storage tank is provided, and at the output end of the plunger pump, a water injection hose is provided. One end of the water injection hose penetrates through a laminated water bed.

[0007] Preferably, a support part is fixedly connected to the bottom of the workbench. Inside the numerical control slide rail, a lifting platform is slidably connected. On the front side of the lifting platform, a controllable power supply module is provided. On the top of the lifting platform, a central control module is provided. The output end of the central control module is connected to a welding operation module. At the input end of the plunger pump, a one-way import check valve is fixedly connected, and one end of the one-way import check valve is fixedly connected to the water storage tank. At the output end of the plunger pump, a one-way export check valve is fixedly connected, and one end of the one-way export check valve is fixedly connected to the end of the water injection hose away from the laminated water bed. The designs of the one-way import check valve and the one-way export check valve define the water flow runoff direction of the plunger pump.

[0008] Preferably, the side of the adapted rack bar meshes with the side of the meshing tooth block, and the bottom of the plunger pump is fixedly connected to the top of the workbench. The meshing of the side of the adapted rack bar with the side of the meshing tooth block ensures the stability of the transmission.

[0009] Preferably, the end of the stacked water bed away from the water injection hose is provided with a loosening and resisting device, the loosening and resisting device includes a drainage hose, one end of the drainage hose is fixedly connected to the end of the stacked water bed away from the water injection hose, the other end of the drainage hose is fixedly connected to a transfer water tank, the transfer water tank is provided with two output ends, the first output end of the transfer water tank is fixedly connected to an arc pressure relief pipe, one end of the arc pressure relief pipe is internally connected to a resisting support rod through a piston sliding connection, the outer surface of the resisting support rod is fixedly connected to a tension spring, one end of the tension spring is fixedly connected to the inside of one end of the arc pressure relief pipe. The design of the loosening and resisting device allows the lifting platform to resist the bottom of the lifting platform in the process of falling when it falls out of control due to a fault, providing reverse support force for the rapid falling of the lifting platform, and cooperating with the loosening protection device to reduce the falling speed of the lifting platform and the excessive pressure of the rapid falling of the lifting platform, so as to avoid damage and explosion caused by the imbalance of internal and external pressure of the stacked water bed.

[0010] Preferably, the second output end of the transfer water tank is fixedly connected with an arc-shaped circulation pipe, and one end of the arc-shaped circulation pipe is fixedly connected to the water storage tank. When the water level inside the transfer water tank increases, part of the water flows into the water storage tank through the arc-shaped circulation pipe, thereby realizing the effect of water recycling.

[0011] Preferably, the top of the interference support rod is located directly below the lifting platform, and the side of the transfer water tank is fixedly connected to the side of the workbench. Such a design ensures that the interference support rod can stably provide support to the bottom of the lifting platform when it is extended.

[0012] Preferably, a tension maintenance device is provided on the outer surface of the steel cable trough plate, and the tension maintenance device includes an extrusion roller, one end of which is fixedly connected to the circumferential surface of the steel cable trough plate, an oil filling box is fixedly connected to the top of the CNC slide rail, an oil spray nozzle is fixedly connected to the bottom of the oil filling box, and an adjustment plate is slidably connected to the inside of the oil filling box. The design of the tension maintenance device lubricates the strength steel cable, thereby reducing the wear of the strength steel cable caused by long-term strong stress. At the same time, when the top of the force plate is no longer subjected to the extrusion force, the adjustment plate will be automatically reset by the elastic potential energy of the reset spring, thereby controlling the lubrication frequency of the oil spray nozzle.

[0013] Preferably, a return spring is fixedly connected to the top of the adjustment plate, one end of the return spring is fixedly connected to a spring fixing plate, and the side surface of the spring fixing plate is fixedly connected to the inner side surface of the oil filling box.

[0014] Preferably, when the return spring is in a relaxed state, the height of the adjustment plate is higher than the height of the oil nozzle, an L-shaped connecting rod is fixedly connected to the top of the adjustment plate, an oil filling port is provided on the top of the oil filling box, one end of the L-shaped connecting rod passes through the oil filling port and has no connection with the oil filling port, and one end of the L-shaped connecting rod passing through the oil filling port is fixedly connected to a force plate. The elastic potential energy of the return spring is used to adjust the position of the adjustment plate in different states, thereby achieving the role of the intermittent lubrication strength cable.

[0015] Preferably, the force-bearing plate is slidably connected to the side of the oil filling box, and the force-bearing plate is located on the displacement track of the squeezing roller. Such a design ensures that the squeezing roller stably squeezes the top of the force-bearing plate during the rotation process, and drives the top of the force-bearing plate to move vertically downward.

[0016] The present invention adopts the above technical solution to bring the following beneficial effects: 1. The valve housing welding operation machine, through the setting of loose protection equipment, makes it possible that when the lifting platform loses control and falls due to a fault, the piston block accelerates the vertical downward displacement to push the water inside the plunger pump to flow out from the output end of the plunger pump through the one-way export check valve, and the water inside the water tank is introduced into the interior of the plunger pump through the one-way introduction check valve. The water flowing out of the one-way export check valve flows through the water injection hose and finally flows into the cascading water bed. The cascading water bed quickly expands, and then quickly and automatically builds a buffer zone with a buffering effect, giving the operator the greatest life protection guarantee, avoiding casualties of the operator due to rapid falling, and providing a stable and safe operating environment for the operator.

[0017] 2. The valve shell welding operation machine, through the setting of the loose protection device, makes the expansion area of ​​the cascading water bed under normal conditions of the lifting platform falling normally, and gives a certain buffering effect in the normal lifting and lowering of the lifting platform, but does not trigger the extreme pressure inside the plunger pump and the extreme expansion of the cascading water bed itself, which plays a protective role in the general work of the equipment, controls the loss of the loose protection device itself, and reduces the use load of the loose protection device itself.

[0018] 3. The valve shell welding operation machine, through the setting of the loose resistance device, makes the internal water level of the transfer water tank tend to the extreme value. A part of the water flows through the arc pressure relief pipe to give a strong resistance force to the resistance support rod. The resistance support rod is forced to extend outward and resist the bottom of the lifting platform in the process of falling, providing reverse support force for the rapid fall of the lifting platform, and cooperating with the loose protection device to reduce the falling speed of the lifting platform and the excessive pressure of the lifting platform when it falls rapidly, so as to avoid damage and explosion caused by the imbalance of internal and external pressure of the cascading water bed.

[0019] 4. For this valve housing welding manipulator, through the setting of the tensile maintenance device, when the lifting platform falls out of control due to a fault, when the adjusting plate intermittently moves vertically downward to below the fuel injector, the lubricating oil inside the fuel injection tank intermittently flows out through the fuel injector into the circular groove opened on the steel cable groove plate, and lubricates the high-strength steel cable, thereby reducing the wear caused by the high-strength steel cable being subjected to strong stress for a long time. At the same time, when there is no extrusion force on the top of the stress plate, the adjusting plate will automatically reset due to the elastic potential energy of the return spring, and thus control the lubrication frequency of the fuel injector. Description of the Drawings

[0020] Figure 1 It is a three-dimensional external structure schematic diagram of the present invention; Figure 2 It is a three-dimensional enlarged structure schematic diagram of the side of the workbench of the present invention; Figure 3 It is a three-dimensional enlarged structure schematic diagram of the first cross-section of the side of the workbench of the present invention; Figure 4 It is a three-dimensional sectional view structure schematic diagram of the first cross-section of the top of the workbench of the present invention; Figure 5 It is a three-dimensional sectional view structure schematic diagram of the second cross-section of the top of the workbench of the present invention; Figure 6 It is a three-dimensional side sectional enlarged structure schematic diagram inside the plunger pump of the present invention; Figure 7 It is a three-dimensional sectional view structure schematic diagram inside the fuel injection tank of the present invention; Figure 8 For the present invention Figure 1 Three-dimensional enlarged structure schematic diagram of A in

[0021] In the figure: 1. Workbench; 2. Numerical control slide rail; 3. Support part; 4. Lifting platform; 5. Controllable power supply module; 6. Central control module; 7. Welding operation module; 8. Loosening protection device; 81. Steel cable groove plate; 82. Counterweight iron block; 83. High-strength steel cable; 84. Meshing tooth block; 85. Adapted rack bar; 86. Connecting cross plate; 87. Plunger rod; 88. Plunger pump; 89. Water storage tank; 810. Water injection hose; 811. Laminated water bed; 812. One-way import check valve; 813. One-way export check valve; 814. Piston block; 9. Loosening contact device; 91. Drainage hose; 92. Transfer water tank; 93. Arc-shaped pressure relief pipe; 94. Contact support rod; 95. Tensile spring; 96. Arc-shaped circulation pipe; 10. Tensile maintenance device; 101. Extrusion roller; 102. Fuel injection tank; 103. Fuel injector; 104. Adjusting plate; 105. Return spring; 106. Spring fixing plate; 107. L-shaped connecting rod; 108. Oil injection port; 109. Stress plate. Detailed Implementation Modes

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1 - 8 , an embodiment of the present invention is: a valve housing welding operation device, including a workbench 1. A numerical control slide rail 2 is fixedly connected to the top of the workbench 1. A loosening protection device 8 is arranged at one end of the numerical control slide rail 2; the loosening protection device 8 includes a steel cable groove disc 81. One end of the steel cable groove disc 81 penetrates through the numerical control slide rail 2 and is rotatably connected to the numerical control slide rail 2. A counterweight iron block 82 is fixedly connected to the top of the lifting platform 4. A strength steel cable 83 is fixedly connected to the top of the counterweight iron block 82. One end of the strength steel cable 83 is wound and fixedly connected inside an annular groove formed on the outer surface of the steel cable groove disc 81 through the steel cable groove disc 81. A meshing tooth block 84 is fixedly connected to the end of the steel cable groove disc 81 away from the numerical control slide rail 2. An adaptor rack bar 85 is slidably connected to the side surface of the numerical control slide rail 2. A connecting cross plate 86 is fixedly connected to one end of the adaptor rack bar 85. A plunger rod 87 is fixedly connected to the bottom of the connecting cross plate 86. One end of the plunger rod 87 penetrates through a plunger pump 88. A piston block 814 is fixedly connected to the end of the plunger rod 87 penetrating through the plunger pump 88. The outer surface of the piston block 814 is slidably connected to the inner wall of the plunger pump 88. A water storage tank 89 is arranged at the input end of the plunger pump 88. A water injection hose 810 is arranged at the output end of the plunger pump 88. One end of the water injection hose 810 penetrates through a laminated water bed 811.

[0024] A support part 3 is fixedly connected to the bottom of the workbench 1. A lifting platform 4 is slidably connected inside the numerical control slide rail 2. A controllable power supply module 5 is arranged on the front side of the lifting platform 4. A central control module 6 is arranged on the top of the lifting platform 4. The output end of the central control module 6 is connected to a welding operation module 7. A one-way inlet check valve 812 is fixedly connected to the input end of the plunger pump 88. One end of the one-way inlet check valve 812 is fixedly connected to the water storage tank 89. A one-way outlet check valve 813 is fixedly connected to the output end of the plunger pump 88. One end of the one-way outlet check valve 813 is fixedly connected to the end of the water injection hose 810 away from the laminated water bed 811. The designs of the one-way inlet check valve 812 and the one-way outlet check valve 813 limit the water flow direction of the plunger pump 88.

[0025] The side surface of the adaptor rack bar 85 meshes with the side surface of the meshing tooth block 84. The plunger pump 88 is fixedly connected to the top of the workbench 1. The meshing of the side surface of the adaptor rack bar 85 with the side surface of the meshing tooth block 84 ensures the stability of the transmission; Working principle: The device realizes the precise movement of the lifting platform 4 through the numerically controlled slide rail 2. The operator controls the welding operation module 7 to complete the welding of the valve housing through the central control module 6, and the controllable power supply module provides power support for the welding operation module 7. When the lifting platform 4 falls uncontrollably due to a malfunction and the speed > 0.5 m / s, the inertial tension of the counterweight iron block 82 drives the high-strength steel cable 83 to quickly straighten. After the high-strength steel cable 83 quickly straightens, it drives the cable reel 81 to accelerate rotation through the cable reel 81. The accelerated rotation of the cable reel 81 drives the meshing tooth block 84 to accelerate rotation. The accelerated rotation of the meshing tooth block 84 drives the mating rack bar 85 engaged with it to accelerate vertically downward displacement. The accelerated vertical downward displacement of the mating rack bar 85 drives the connecting cross plate 86 to accelerate vertically downward displacement. The accelerated vertical downward displacement of the connecting cross plate 86 drives the plunger rod 87 to accelerate vertically downward displacement. The accelerated vertical downward displacement of the plunger rod 87 drives the piston block 814 to accelerate vertically downward displacement. At this time, since the input end and the output end of the plunger pump 88 are provided with a one-way export check valve 813 and a one-way import check valve 812, the accelerated vertical downward displacement of the piston block 814 pushes the water flow inside the plunger pump 88 to flow out from the output end of the plunger pump 88 through the one-way export check valve 813, and the water flow inside the water storage tank 89 is introduced into the inside of the plunger pump 88 through the one-way import check valve 812. The water flow flowing out from the one-way export check valve 813 flows through the water injection hose 810 and finally flows into the stacked water bed 811, causing the inside of the stacked water bed 811 to quickly expand to form a protective pad with a buffering effect.

[0026] It should be noted that: The expansion speed of the stacked water bed 811 is affected by the acceleration of the plunger rod 87. When the acceleration of the plunger rod 87 is faster, the pressure threshold inside the plunger pump 88 is larger. At this time, the water flow velocity flowing out from the one-way export check valve 813 is faster, and the expansion rate of the stacked water bed 811 is faster. This is the extreme situation where the lifting platform 4 falls uncontrollably due to a malfunction. In this extreme situation, through the rapid expansion of the stacked water bed 811, a buffer zone with a buffering effect is quickly and automatically built, providing the maximum life protection for the operator, avoiding casualties of the operator caused by a rapid fall, and providing a stable and safe operating environment for the operator. The expansion speed of the stacked water bed 811 is affected by the acceleration of the plunger rod 87. When the acceleration of the plunger rod 87 is stable, the pressure threshold inside the plunger pump 88 is stable. At this time, the water flow velocity flowing out from the one-way export check valve 813 is normal, and the expansion rate of the stacked water bed 811 is normal. This is the working condition of the normal fall of the lifting platform 4. Under normal circumstances, the expansion area of the stacked water bed 811 is controlled, providing a certain buffering effect during the normal lifting and lowering of the lifting platform 4, but not triggering the extreme pressure inside the plunger pump 88 and the extreme expansion of the stacked water bed 811 itself, playing a protective role in the general operation of the device, and controlling the self-loss of the loose protection device 8, reducing the use load of the loose protection device 8 itself.

[0027] See also Figures 1 - 7 On the basis of the above embodiment, in another embodiment of the present invention, a loosening and resisting device 9 is provided at one end of the stacked water bed 811 away from the water injection hose 810, and the loosening and resisting device 9 includes a drainage hose 91, one end of the drainage hose 91 is fixedly connected to the end of the stacked water bed 811 away from the water injection hose 810, and the other end of the drainage hose 91 is fixedly connected to a transfer water tank 92, and the transfer water tank 92 is provided with two output ends, and the first output end of the transfer water tank 92 is fixedly connected to an arc-shaped pressure relief pipe 93, and a resisting support rod 94 is slidably connected to one end of the arc-shaped pressure relief pipe 93 through a piston, and a tension spring 95 is fixedly connected to the outer surface of the resistance support rod 94, and one end of the tension spring 95 is fixedly connected to the inside of one end of the arc-shaped pressure relief pipe 93. The design of the loosening and falling resistance device 9 allows the lifting platform 4 to resist the bottom of the lifting platform 4 which is falling when it falls out of control due to a malfunction, thereby providing reverse support force for the rapid falling of the lifting platform 4, and cooperating with the loosening protection device 8 to reduce the falling speed of the lifting platform 4 and the excessive pressure caused by the rapid falling of the lifting platform 4, thereby avoiding damage and explosion caused by the imbalance of internal and external pressures of the stacked water bed 811.

[0028] The second output end of the transfer water tank 92 is fixedly connected with an arc-shaped circulation pipe 96, and one end of the arc-shaped circulation pipe 96 is fixedly connected to the water storage tank 89. When the water level inside the transfer water tank 92 increases, part of the water flows into the water storage tank 89 through the arc-shaped circulation pipe 96, thereby realizing the effect of water recycling.

[0029] The top of the resistance support rod 94 is located directly below the lifting platform 4, and the side of the transfer water tank 92 is fixedly connected to the side of the workbench 1. Such a design ensures that the resistance support rod 94 provides stable support to the bottom of the lifting platform 4 when it is extended.

[0030] The outer surface of the steel cable groove plate 81 is provided with a tension maintenance device 10, which includes a squeeze roller 101, one end of which is fixedly connected to the circumferential surface of the steel cable groove plate 81, an oil filling box 102 is fixedly connected to the top of the numerical control slide rail 2, an oil injection nozzle 103 is fixedly connected to the bottom of the oil filling box 102, and an adjustment plate 104 is slidably connected inside the oil filling box 102. The design of the tension maintenance device 10 lubricates the strength steel cable 83, thereby reducing the wear of the strength steel cable 83 caused by long-term strong stress. At the same time, when the top of the force plate 109 is no longer subjected to the squeeze force, the adjustment plate 104 will be automatically reset by the elastic potential energy of the reset spring 105, thereby controlling the lubrication frequency of the oil injection nozzle 103.

[0031] A return spring 105 is fixedly connected to the top of the adjustment plate 104 , one end of the return spring 105 is fixedly connected to a spring fixing plate 106 , and the side surface of the spring fixing plate 106 is fixedly connected to the inner side surface of the oil filling box 102 .

[0032] When the return spring 105 is in a relaxed state, the height of the adjustment plate 104 is higher than the height of the oil injection nozzle 103, an L-shaped connecting rod 107 is fixedly connected to the top of the adjustment plate 104, an oil filling port 108 is provided on the top of the oil filling box 102, one end of the L-shaped connecting rod 107 passes through the oil filling port 108 and has no connection with the oil filling port 108, and one end of the L-shaped connecting rod 107 passing through the oil filling port 108 is fixedly connected to a force plate 109. The elastic potential energy of the return spring 105 is used to adjust the position of the adjustment plate 104 in different states, thereby achieving the function of the intermittent lubrication strength cable 83.

[0033] The force plate 109 is slidably connected to the side of the oil filling box 102, and the force plate 109 is located on the displacement track of the squeezing roller 101. Such a design ensures that the squeezing roller 101 stably squeezes the top of the force plate 109 during the rotation process, and drives the top of the force plate 109 to move vertically downward.

[0034] Working principle: When the lifting platform 4 falls out of control due to a fault, after the lifting platform 4 falls to the top of the stacked water bed 811, the stacked water bed 811 is subjected to a strong impact force, and the internal water flow is injected into the interior of the transfer water tank 92 through the drainage hose 91. The water level in the transfer water tank 92 increases rapidly, and a part of the water flows into the water storage tank 89 through the arc circulation pipe 96, thereby realizing the effect of water recycling and saving energy loss. However, when the stacked water bed 811 is subjected to a strong impact force, the water level in the transfer water tank 92 tends to an extreme value, and a part of the water flows through the arc pressure relief pipe 93 to give a strong resistance force to the resistance support rod 94. The resistance support rod 94 is forced to extend outward and resist the bottom of the lifting platform 4 that is falling, providing reverse support force for the rapid fall of the lifting platform 4, and cooperating with the loosening protection device 8 to reduce the falling speed of the lifting platform 4 and the excessive pressure of the rapid fall of the lifting platform 4, so as to avoid damage and explosion caused by the imbalance of internal and external pressures of the stacked water bed 811; Meanwhile, during the rotation of the cable trough plate 81, the squeezing roller 101 is driven to rotate. The squeezing roller 101 intermittently squeezes the top of the force-bearing plate 109. The top of the force-bearing plate 109 is intermittently squeezed, driving the L-shaped connecting rod 107 to intermittently vertically displace downward. The intermittent vertical downward displacement of the L-shaped connecting rod 107 drives the adjusting plate 104 to vertically displace downward. When the adjusting plate 104 intermittently vertically displaces downward to below the fuel injector 103, the lubricating oil inside the fuel injection tank 102 intermittently flows out through the fuel injector 103 into the circular groove formed on the cable trough plate 81, and lubricates the high-strength cable 83, thereby reducing the wear caused by the high-strength cable 83 being under strong stress for a long time. At the same time, when the top of the force-bearing plate 109 is no longer under the squeezing force, the adjusting plate 104 will be automatically reset by the elastic potential energy of the return spring 105. Furthermore, the lubrication frequency of the fuel injector 103 is controlled; During the reverse rotation of the cable trough plate 81, the squeezing roller 101 is driven to reverse. The squeezing roller 101 intermittently squeezes the bottom of the force-bearing plate 109. The bottom of the force-bearing plate 109 is intermittently squeezed, driving the L-shaped connecting rod 107 to intermittently vertically displace upward. The intermittent vertical upward displacement of the L-shaped connecting rod 107 drives the adjusting plate 104 to vertically displace upward. When the intermittent vertical upward displacement of the adjusting plate 104 is blocked by the compression extreme value of the return spring 105, at this time, only by controlling the oil injection volume inside the fuel injection tank 102, it can be ensured that the stored oil inside the fuel injection tank 102 seeps out from one end of the oil injection port 108.

[0035] The present invention provides a valve housing welding operation device. There are many methods and ways to specifically implement this technical solution. The above is only the preferred embodiment of the present invention. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention. Each component not clearly defined in this embodiment can be implemented by using the prior art.

Claims

1. A valve housing welding operation device, comprising a workbench (1), characterized in that: The top of the workbench (1) is fixedly connected with a numerical control slide rail (2), the bottom of the workbench (1) is fixedly connected with a support part (3), the inside of the numerical control slide rail (2) is slidably connected with a lifting platform (4), and one end of the numerical control slide rail (2) is provided with a loosening protection device (8); The loosening protection device (8) includes a steel cable groove disc (81), one end of the steel cable groove disc (81) penetrates through the numerical control slide rail (2) and is rotatably connected with the numerical control slide rail (2), the top of the lifting platform (4) is fixedly connected with a counterweight iron block (82), the top of the counterweight iron block (82) is fixedly connected with a high-strength steel cable (83), one end of the high-strength steel cable (83) is wound and fixedly connected inside an annular groove formed on the outer surface of the steel cable groove disc (81) through the steel cable groove disc (81), the end of the steel cable groove disc (81) away from the numerical control slide rail (2) is fixedly connected with an engaging tooth block (84), the side of the numerical control slide rail (2) is slidably connected with an adaptor rack bar (85), one end of the adaptor rack bar (85) is fixedly connected with a connecting cross plate (86), the bottom of the connecting cross plate (86) is fixedly connected with a plunger rod (87), one end of the plunger rod (87) penetrates through a plunger pump (88), the end of the plunger rod (87) penetrating through the plunger pump (88) is fixedly connected with a piston block (814), the outer surface of the piston block (814) is slidably connected with the inner wall of the plunger pump (88), the input end of the plunger pump (88) is provided with a water storage tank (89), the output end of the plunger pump (88) is provided with a water injection hose (810), and one end of the water injection hose (810) penetrates through a laminated water bed (811).

2. The valve housing welding operation equipment according to claim 1, characterized in that: A controllable power supply module (5) is arranged on the front side of the lifting platform (4), a central control module (6) is arranged on the top of the lifting platform (4), the output end of the central control module (6) is connected with a welding operation module (7), the input end of the plunger pump (88) is fixedly connected with a one-way inlet check valve (812), one end of the one-way inlet check valve (812) is fixedly connected with the water storage tank (89), the output end of the plunger pump (88) is fixedly connected with a one-way outlet check valve (813), and one end of the one-way outlet check valve (813) is fixedly connected with the end of the water injection hose (810) away from the laminated water bed (811).

3. The valve housing welding operation equipment according to claim 2, characterized in that: The side of the adaptor rack bar (85) is meshed with the side of the engaging tooth block (84), and the bottom of the plunger pump (88) is fixedly connected to the top of the workbench (1).

4. The valve housing welding operation equipment according to claim 3, characterized in that: A loosening and resisting device (9) is provided at one end of the stacked water bed (811) away from the water injection hose (810), and the loosening and resisting device (9) comprises a drainage hose (91), one end of the drainage hose (91) is fixedly connected to one end of the stacked water bed (811) away from the water injection hose (810), and the other end of the drainage hose (91) is fixedly connected to a transfer water tank (92), and the transfer water tank (92) is provided with two output ends, and the first output end of the transfer water tank (92) is fixedly connected to an arc-shaped pressure relief pipe (93), and one end of the arc-shaped pressure relief pipe (93) is internally connected to a resisting support rod (94) through a piston sliding connection, and a tension spring (95) is fixedly connected to the outer surface of the resisting support rod (94), and one end of the tension spring (95) is fixedly connected to the inside of one end of the arc-shaped pressure relief pipe (93).

5. The valve housing welding operation equipment according to claim 4, characterized in that: The second output end of the transfer water tank (92) is fixedly connected to an arc-shaped circulation pipe (96), and one end of the arc-shaped circulation pipe (96) is fixedly connected to the water storage tank (89).

6. The valve housing welding operation device according to claim 5, characterized in that: The top end of the abutting support rod (94) is located directly below the lifting platform (4), and the side of the transfer water tank (92) is fixedly connected to the side of the workbench (1).

7. The valve housing welding operation equipment according to claim 6, characterized in that: A tension maintenance device (10) is provided on the outer surface of the steel cable groove disc (81), and the tension maintenance device (10) comprises a squeezing roller (101), one end of the squeezing roller (101) is fixedly connected to the circumferential surface of the steel cable groove disc (81), an oil filling box (102) is fixedly connected to the top of the numerical control slide rail (2), an oil injection nozzle (103) is fixedly connected to the bottom of the oil filling box (102), and an adjustment plate (104) is slidably connected to the inside of the oil filling box (102).

8. An operating device for welding a valve housing according to claim 7, characterized in that: A return spring (105) is fixedly connected to the top of the adjustment plate (104), one end of the return spring (105) is fixedly connected to a spring fixing plate (106), and a side surface of the spring fixing plate (106) is fixedly connected to the inner side surface of the oil filling box (102).

9. The valve housing welding operation device according to claim 8, wherein: When the return spring (105) is in a relaxed state, the height of the adjustment plate (104) is higher than the height of the oil injection nozzle (103); an L-shaped connecting rod (107) is fixedly connected to the top of the adjustment plate (104); an oil filling port (108) is provided on the top of the oil filling box (102); one end of the L-shaped connecting rod (107) passes through the oil filling port (108) and has no connection with the oil filling port (108); and one end of the L-shaped connecting rod (107) that passes through the oil filling port (108) is fixedly connected to a force-bearing plate (109).

10. A valve housing welding operation device according to claim 9, characterized in that: The force-bearing plate (109) is slidably connected to the side of the oil filling box (102), and the force-bearing plate (109) is located on the displacement track of the squeezing roller (101).

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