Welding anti-splashing device for middle shield machining

Abstract

The utility model provides a welding anti-splashing device for middle shield machining. The welding anti-splashing device comprises a rotating shaft, a supporting rod, welding equipment, an anti-splashing cover, a connecting pipe, a purifying device, a collecting device, an air pump and an exhaust pipe. The six supporting rods are arranged on the outer surface of the rotating shaft at equal intervals. According to the welding anti-splashing device for middle shield machining, negative pressure is generated through the air pump, sparks and smoke generated at the welding position are absorbed through the anti-splashing cover, the sparks and the smoke are recycled from the connecting pipe into the collecting device to be collected, the sparks are not prone to splashing, meanwhile, the smoke generated during welding is recycled and purified, and the welding quality is improved. The device is simple in structure and high in practicability, sparks in the welding process are prevented from splashing outwards, the sparks and smoke generated in the welding process are recycled, the influence of the sparks and the smoke on workers in a workshop is reduced, and the safety and the protection performance during machining are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of shield machine welding, especially to a welding anti-splashing device for middle shield processing. BACKGROUND

[0002] In some major projects using shield machines for tunneling work, such as tunneling projects in areas with prominent underground water, welding maintenance of the cutter head and cutters often needs to be performed in the cutter head cabin of the shield machine. Because the shield machine works in a high-pressure environment, the cutter head directly acts on the rock soil during the tunneling process, and the rock soil cutting and crushing functions are completed through extrusion and impact on the rock soil. In addition, the nature and super strength of the shield machine work result in frequent damage to the cutter head and cutters, which requires timely welding maintenance of the cutter head and cutters in the cutter head cabin of the shield machine. The welding efficiency of the cutter head and cutters plays a crucial role in the overall work efficiency, thereby seriously affecting the work efficiency of the shield machine.

[0003] Currently, the structure of the cutter head and cutters of the shield machine is complex, and the maintenance can be performed by a rotary welding manipulator at the connection between the middle shield and the rear shield of the shield machine.

[0004] However, welding sparks are splashed during welding, the welding sparks have high temperature, randomness, and splashing, and a large amount of splashed sparks can make the working environment worse. Metal particles formed after the cooling of the sparks can be scattered in the air and on the working surface, which not only affects the line of sight of the operator but also can be inhaled into the human body by the operators in the workshop, causing damage to the respiratory system. At the same time, these metal particles can also contaminate some precision components inside the shield machine, affecting the performance and service life of the shield machine.

[0005] Therefore, it is necessary to provide a welding anti-splashing device for middle shield processing to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0006] The utility model provides a welding anti-splashing device for middle shield processing, solves the problems of welding sparks splashing during welding, the welding sparks having high temperature, randomness, and splashing, a large amount of splashed sparks making the working environment worse, metal particles formed after the cooling of the sparks being scattered in the air and on the working surface, which not only affects the line of sight of the operator but also can be inhaled into the human body by the operators in the workshop, causing damage to the respiratory system, and these metal particles contaminating some precision components inside the shield machine, affecting the performance and service life of the shield machine.

[0007] To solve the above technical problems, the utility model provides a welding anti-splashing device for middle shield processing, which comprises a rotating shaft, a supporting rod, a welding device, a splash-proof cover, a connecting pipe, a purification device, a collecting device, an air pump, and an exhaust pipe.

[0008] Six support rods are equidistantly arranged on the outer surface of the rotating shaft, and the welding device is fixedly installed on one end of one of the support rods.

[0009] The splash-proof cover is fixedly installed on the outer surface of the welding device, the connecting pipe is fixedly connected to one side of the splash-proof cover, the purification device is fixedly connected to one end of the connecting pipe, the collecting device is slidingly installed in the interior of the purification device, the purification device is used for purifying the smoke collected in the collecting device, and the collecting device comprises a collecting box, a collecting groove, a filtering groove, a connecting plate and a pull rod.

[0010] Preferably, the mounting seat is fixedly installed on one end of the support rod, the welding head is fixedly connected to one side of the mounting seat, and the welding rod is arranged at one end of the welding head.

[0011] Preferably, the collecting box is slidingly installed on one side in the interior of the purification device, the collecting groove is formed in the middle of one side of the collecting box, the filtering groove is formed on one side of the inner cavity wall of the collecting groove, the connecting plate is fixedly installed on one side of the outer surface of the collecting box, and the pull rod is fixedly installed in the middle of the surface of the connecting plate.

[0012] Preferably, the inner wall surface of the collecting groove is provided with an activated carbon bag, and the inner surface of the splash-proof cover is provided with a fireproof blanket.

[0013] Preferably, the connecting plate is made of magnetite plate material, and the purification device is made of iron material.

[0014] Preferably, a plurality of clamping holes are formed in the outer surface of the support rod, and one side of the outer surface of the support rod is provided with a connecting component.

[0015] Preferably, the connecting component comprises a storage box, a storage groove, a threaded hole and a fastener, the storage box is fixedly installed on the outer surface of the rotating shaft, the storage groove is formed in the middle of one side of the storage box, the threaded hole is arranged on one side of the outer surface of the storage box, and the fastener is threadedly engaged in the interior of the threaded hole.

[0016] Compared with the related art, the welding splash-proof device for middle shield machining has the following beneficial effects:

[0017] The utility model provides a welding anti -spatter device for middle shield processing passes through the air pump to produce the negative pressure, passes through the splash guard cover to the spark and flue gas that welding place produces is absorbed, and the spark and flue gas are collected from the inside of the collection device that the connecting pipe recycles, and the spark is not easy to splash, and the flue gas produced when welding is recycled and purified, the device simple structure, practicality is strong, prevents the spark in the welding process and spatters outward, and the spark and flue gas produced when welding are recycled, reduce the influence of the spark and flue gas to the staff in workshop, improve the security and protectivity when processing. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model provides a welding anti -spatter device for middle shield processing first embodiment's structure schematic view of the utility model provides a welding anti -spatter device for middle shield processing second embodiment's structure schematic view;

[0019] Figure 2 For Figure 1 The utility model discloses an enlarged view of A place shown in the figure.

[0020] Figure 3 For Figure 1 The utility model discloses a rotary shaft side view schematic view shown in the figure.

[0021] Figure 4 For Figure 3 The utility model discloses an enlarged view of B place shown in the figure.

[0022] Figure 5 For Figure 1 The utility model discloses a rotary shaft cross section schematic view shown in the figure.

[0023] Figure 6 For Figure 5 The utility model discloses an enlarged view of C place shown in the figure.

[0024] Figure 7 The utility model provides a welding anti -spatter device for middle shield processing first embodiment's structure schematic view of the utility model provides a welding anti -spatter device for middle shield processing second embodiment's structure schematic view;

[0025] Figure 8 For Figure 7 The utility model discloses an enlarged view of D place shown in the figure.

[0026] Figure 9 For Figure 7 The utility model discloses a connecting part structure schematic view shown in the figure.

[0027] Mark number in the drawing: 1, rotary shaft, 2, support rod, 3, splash guard cover, 4, welding equipment, 41, mounting seat, 42, welding head, 43, electrode, 5, connecting pipe, 6, purification device, 7, collection device, 71, collection box, 72, collection groove, 73, filter groove, 74, connecting plate, 75, pull rod, 8, air pump, 9, exhaust pipe, 10, back shield, 11, middle shield, 12, connecting part, 121, storage box, 122, storage groove, 123, screw hole, 124, fastener, 13, clamping hole. DETAILED DESCRIPTION

[0028] The utility model will be further described below in combination with the drawings and embodiments.

[0029] First embodiment

[0030] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 And Figure 6 Among them, Figure 1 It is the structure diagram of the first embodiment of the welding anti-splashing device for middle shield processing provided by the utility model; Figure 2 It is the enlarged diagram of A shown in Figure 1 It is the rotating shaft side view schematic diagram shown in Figure 3 It is the enlarged diagram of B shown in Figure 1 It is the rotating shaft sectional view schematic diagram shown in Figure 4 It is the enlarged diagram of C shown in Figure 3 A welding anti-splashing device for middle shield processing, comprising: rotating shaft 1, support rod 2, welding equipment 4, splash guard 3, connecting pipe 5, purification device 6, collection device 7, air pump 8 and exhaust pipe 9; Figure 5 Figure 1 Six said support rod 2 are respectively equidistantly arranged on the outer surface of the rotating shaft 1, one end of one of the support rod 2 is fixedly installed with the welding equipment 4, the welding equipment 4 is used for welding, and the welding equipment 4 comprises a mounting seat 41, a welding head 42 and a welding rod 43. Figure 6 Figure 5 The splash guard 3 is fixedly installed on the outer surface of the welding equipment 4, the connecting pipe 5 is fixedly connected to one side of the splash guard 3, the purification device 6 is fixedly connected to one end of the connecting pipe 5, the collection device 7 is slidingly installed in the interior of the purification device 6, the purification device 6 is used for purifying the smoke collected in the collection device 7, the collection device 7 comprises a collection box 71, a collection groove 72, a filter groove 73, a connecting plate 74 and a pull rod 75, the air pump 8 is fixedly installed on one side of the outer surface of the purification device 6, and the exhaust pipe 9 is fixedly connected to one side of the air pump 8.

[0031] The mounting seat 41 is fixedly installed on one end of the support rod 2, the welding head 42 is fixedly connected to one side of the mounting seat 41, and the welding rod 43 is arranged at one end of the welding head 42.

[0032] The mounting seat 41 is fixedly installed on one end of the support rod 2, the welding head 42 is fixedly connected to one side of the mounting seat 41, and the welding rod 43 is arranged at one end of the welding head 42.

[0033] The mounting seat 41 is fixedly installed on one end of the support rod 2, the welding head 42 is fixedly connected to one side of the mounting seat 41, and the welding rod 43 is arranged at one end of the welding head 42.

[0034] ​​The collecting box 71 is slidingly installed on one side of the inside of the purifying device 6, the collecting groove 72 is arranged in the middle of one side of the collecting box 71, the filtering groove 73 is arranged on one side of the inner cavity wall of the collecting groove 72, the connecting plate 74 is fixedly installed on one side of the outer surface of the collecting box 71, and the pull rod 75 is fixedly installed on the middle of the surface of the connecting plate 74.

[0035] The inner wall surface of the collecting groove 72 is provided with an activated carbon bag, and the inner surface of the splash-proof cover 3 is provided with a fire blanket.

[0036] The connecting plate 74 is made of a magnet plate material, and the purifying device 6 is made of an iron material.

[0037] The support rod 2 abuts against the inside of the shield machine shell, the shield machine shell is placed on the mounting frame for support, one end of the rotating shaft 1 is rotated through a rotating piece, and the welding equipment 4 is welded at the connecting position between the rear shield 10 and the middle shield 11.

[0038] When the collecting box 71 is installed into the inside of the purifying device 6, the connecting plate 74 is adsorbed on the surface of the purifying device 6 through magnetic force, and the collecting box 71 can be pulled out by manpower.

[0039] The working principle of the welding splash-proof device for middle shield machining provided by the utility model is as follows:

[0040] In work, first, the rear shield 10 and the middle shield 11 are connected and installed on the placing frame, the rotating shaft 1 carries the support rod 2 to extend into the middle of the inside of the rear shield 10 and the middle shield 11, and the support rod 2 abuts against the inner surface of the shield body.

[0041] The rotating shaft 1 is driven to rotate through an external driving device, the air pump 8 and the welding are controlled to start at the same time, the air pump 8 generates negative pressure, the connecting pipe 5 attracts and discharges the sparks and the smoke in the inside of the splash-proof cover 3 into the inside of the collecting box 71.

[0042] The sparks are collected in the inside of the collecting groove 72 and wait for cleaning, after the smoke is purified by the activated carbon in the inside of the collecting groove 72, the airflow is discharged through the exhaust pipe 9 by the air pump 8 through the filtering groove 73.

[0043] The operator can hold the pull rod 75 to take out the collecting box 71 from the purifying device 6, and clean the collected sparks.

[0044] Compared with the related art, the welding splash-proof device for middle shield machining has the following beneficial effects:

[0045] The utility model provides a welding anti -spatter device for middle shield processing, produce negative pressure through air pump 8, through the anti -splash cover 3 to the spark and flue gas of welding place produces absorption, the spark and flue gas are collected from the inside recovery of connecting pipe 5 into collecting device 7, the spark is not easy to splash, and the flue gas produced when welding is recycled and purified, the device simple structure, practicality is strong, prevents the spark in the welding process and spatters, the spark and flue gas produced when welding are recycled, reduce the influence of the spark and flue gas to the staff in workshop, improve the safety and protectivity when processing.

[0046] Second embodiment

[0047] Please refer to Figure 7 、 Figure 8 and Figure 9 , based on the first embodiment of the application provides a kind of welding anti -spatter device for middle shield processing, the second embodiment of the application proposes another welding anti -spatter device for middle shield processing. Second embodiment is only the preferred mode of first embodiment, the implementation of second embodiment does not cause influence to the single implementation of first embodiment.

[0048] Specifically, the second embodiment of the application provides a welding anti -spatter device for middle shield processing, which is different from the first embodiment of the application.

[0049] The connecting component 12 includes a receiving box 121, a receiving groove 122, a threaded hole 123 and a fastener 124, the receiving box 121 is fixedly installed on the outer surface of the rotating shaft 1, the receiving groove 122 is opened in the middle of one side of the receiving box 121, the threaded hole 123 is arranged on one side of the outer surface of the receiving box 121, and the fastener 124 is threadedly engaged in the inside of the threaded hole 123.

[0050] Six connecting components 12 are respectively installed equidistantly on the outer surface of the rotating shaft 1, and six supporting rods 2 are respectively assembled in the inside of the connecting components 12.

[0051] The clamping holes 13 are provided with a plurality of clamping holes, which are convenient for adjusting the supporting length of the supporting rods 2.

[0052] The working principle of the welding anti -spatter device for middle shield processing provided by the utility model is as follows:

[0053] In work, first, the supporting rod 2 is moved in the inside of the receiving groove 122, after adjusting the length of the supporting rod 2, the fastener 124 is threadedly engaged with the threaded hole 123 and embedded in the inside of the clamping hole 13, and the supporting rod 2 is limited.

[0054] Compared with the related art, the welding anti-splashing device for shield machining has the following beneficial effects:

[0055] The utility model provides a kind of welding anti-splashing device for shield machining, the position of support rod 2 in storage groove 122 is adjusted, so as to adjust the interval of support rod 2 between rotating shaft 1, the device is simple in structure, and practical, the position of support rod 2 can be adjusted according to the diameter of shield shell welded, so as to adapt to support different diameter shield shell, improve the practicality and flexibility of the device.

[0056] The above-mentioned is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A welding anti-splashing device for mesoscutum processing, characterized by, The utility model provides a welding device, it includes: A rotating shaft, a support rod, a welding device, a splash guard, a connecting pipe, a purification device, a collection device, a gas pump and an exhaust pipe; Six support rods are equidistantly arranged on the outer surface of the rotating shaft, and the welding device is fixedly installed on one end of one of the support rods. The welding device is used for welding and includes a mounting seat, a welding head and an electrode. The splash guard is fixedly installed on the outer surface of the welding device, the connecting pipe is fixedly connected to one side of the splash guard, the purification device is fixedly connected to one end of the connecting pipe, the collection device is slidingly installed inside the purification device, the purification device is used for purifying the flue gas collected in the collection device, and the collection device includes a collection box, a collection groove, a filter groove, a connecting plate and a pull rod.

2. The welding anti-splashing device for mesoscutum processing according to claim 1, characterized in that, The mounting seat is fixedly installed on one end of the support rod, and the welding head is fixedly connected to one side of the mounting seat. The electrode is arranged at one end of the welding head.

3. The welding anti-splashing device for mesoscutum processing according to claim 1, characterized in that, The collection box is slidingly installed on one side of the purification device, the collection groove is formed in the middle of one side of the collection box, the filter groove is formed on one side of the inner cavity wall of the collection groove, the connecting plate is fixedly installed on one side of the outer surface of the collection box, and the pull rod is fixedly installed in the middle of the surface of the connecting plate.

4. The welding anti-splashing device for mesoscutum processing according to claim 1, characterized in that, The inner wall surface of the collection groove is provided with an activated carbon bag, and the inner surface of the splash guard is provided with a fire blanket.

5. The welding anti-splatter device for mid-shield processing according to claim 1, characterized in that, The connecting plate is made of magnetite plate material, and the purification device is made of iron material.

6. The welding anti-splatter device for mid-shield processing according to claim 1, characterized in that, A plurality of clamping holes are formed in the outer surface of the support rod, and one side of the outer surface of the support rod is provided with a connecting component.

7. The welding anti-splatter device for mesoscutum processing according to claim 6, characterized in that, The connecting component includes a storage box, a storage groove, a threaded hole and a fastener. The storage box is fixedly installed on the outer surface of the rotating shaft, the storage groove is formed in the middle of one side of the storage box, the threaded hole is arranged on one side of the outer surface of the storage box, and the fastener is threadedly engaged in the inner part of the threaded hole.

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