Laser welding device for frame of mixed ammonium oil and fuel oil explosive vehicle and its production process

Abstract

The present application discloses a laser welding device for the frame of a mixed ammonium nitrate oil explosive vehicle, which belongs to the field of welding. The welding chamber has at least one welding area for realizing welding operations; a purification box is arranged on the top of the welding chamber and is connected to the welding area; an air suction device is installed on the purification box; a partition is arranged on the inner wall of the purification box to separate the welding area and the purification box; there are several air guides arranged on the partition; a water tank is arranged on the partition; a filter assembly is arranged in the purification box for filtering the gas generated by welding; wherein the air guide includes an air vent that penetrates the partition and an air guide strip arranged on the inner wall of the air vent; an atomizing plate for atomizing water is installed on the water tank. The beneficial effect of the present application is to provide a laser welding device for the frame of a mixed ammonium nitrate oil explosive vehicle with an air purification effect.

Description

Technical Field

[0001] The present application relates to the field of welding, and in particular to a laser welding device for a frame of a truck loaded with ammonium nitrate and oil explosives. Background Art

[0002] Laser welding is an efficient and precise welding method that uses a high-energy-density laser beam as a heat source. It is one of the important aspects of the application of laser material processing technology. The laser welding process is a heat conduction type, that is, the laser radiation heats the surface of the workpiece, and the surface heat diffuses to the inside through heat conduction. By controlling the width, energy, peak power and repetition frequency of the laser pulse, the workpiece is melted to form a specific molten pool.

[0003] During on-site operations, especially when welding the frame of a mixed ammonium oil and fuel explosive truck, harmful gases will be generated during the welding process due to the large specifications of the frame components and material limitations; operators will inhale a large amount of harmful gases during long-term operation; the current solution is for operators to wear masks, but the protective effect of masks is limited;

[0004] Therefore, it is necessary to design a laser welding device for the frame of a mixed ammonium nitrate oil explosive truck that can purify the harmful gases generated during the welding process. Summary of the invention

[0005] The content of this application is used to introduce concepts in a brief form, which will be described in detail in the detailed implementation section below. The content of this application is not intended to identify the key features or essential features of the technical solution claimed for protection, nor is it intended to limit the scope of the technical solution claimed for protection.

[0006] In order to solve the technical problems mentioned in the above background technology section, some embodiments of the present application provide a laser welding device for a frame of a mixed ammonium oil and fuel explosive vehicle, a welding chamber, and at least one welding area for realizing welding operations;

[0007] A purification box, which is arranged on the top of the welding chamber and is connected to the welding area;

[0008] A suction device, installed on the purification box;

[0009] A partition plate is arranged on the inner wall of the purification box to separate the welding area and the purification box;

[0010] There are several air guides, which are arranged on the partition;

[0011] A water tank is provided on the partition;

[0012] A filter assembly is arranged in the purification box and is used to filter the gas generated by welding;

[0013] The air guide member includes an air hole penetrating the partition plate and an air guide strip arranged on the inner wall of the air hole; an atomizing plate for atomizing water is installed on the water tank.

[0014] During the working process, water mist is formed in the purification box through the atomizing plate; the gas can enter the purification box in a vortex shape through the air guide strip and combine with the water mist, so that the water droplets are mixed with the particulate impurities in the gas; then the air is purified through the set filter component; the effect of purifying the air during welding is achieved, making the processing area more comfortable.

[0015] In some embodiments, a plurality of ventilation holes are radially distributed toward the side of the partition board with the central axis of the partition board as the reference line;

[0016] The atomizing plate is in a circular ring shape, and any point of the atomizing plate is located between any two air holes in the radial direction of the partition plate.

[0017] By setting the above scheme, the gas sprayed from any ventilation hole can be combined with the water mist, which increases the probability of combining impurities and water droplets in the water mist; further explanation, it can be beneficial to the subsequent air filtration effect.

[0018] In some embodiments, the air guide strip is located on the inner wall of the air vent and extends in the axial direction, and the extension track rotates in the circumferential direction of the air vent;

[0019] The air guide strips are arranged in a circular array along the circumference of the air holes so as to guide the air to enter the purification box in a spiral shape.

[0020] Through the design of the above scheme, the setting of the air guide strip can give the gas a rotating path when it enters the purification box, so that the gas can form a vortex shape; in this way, the centrifugal force can throw the particulate impurities in the gas in the direction of the axis of the original air guide hole, which can effectively improve the combination effect of water droplets and impurities.

[0021] In some embodiments, a connecting groove is provided between two adjacent water grooves on the partition plate to connect the two adjacent water grooves;

[0022] A blocking block is movably arranged on the connecting groove;

[0023] The surface portion of the blocking block is penetrated to form a through hole connecting the water tanks on both sides of the blocking block;

[0024] Wherein, a groove corresponding to the blocking block is arranged at the bottom of the water tank; the blocking block is movably arranged in the groove, and the inner wall of the groove completely covers the through hole;

[0025] The partition is also provided with an electromagnet for driving the blocking block to move.

[0026] Through the design of the above scheme, the movement of the blocking block can be controlled by the power on / off of the electromagnet; in this way, the water flow of the water tank can be controlled; it can be understood that when all the water tanks are flowing with water, the density of the atomized water droplets can only be increased; and because the water pressure of the water tank is reduced, the atomization flow rate is reduced, which can increase the time for combining with impurities and enhance the purification effect; the above function is used in situations where a large amount of purified air is required, such as when multiple welding areas are working at the same time.

[0027] In some embodiments, the filtration assembly comprises:

[0028] A filter plate is disposed in the purification box and is located above the partition;

[0029] A condensation plate, disposed between the filter plate and the partition plate;

[0030] The water storage plate is arranged below the condensation plate.

[0031] Through the design of the above scheme, the filter plate can further filter the gas so that the air quality meets the emission standards; when the water mist contacts the condensation plate, the temperature of the condensation plate is lower than the gas temperature, so the gas will form water droplets on the condensation plate, which plays a role in removing water; and the impurities in the water mist can be directly hung on the condensation plate to achieve preliminary filtration; the setting of the water storage plate can collect the water droplets on the condensation plate.

[0032] In some embodiments, a support ring for supporting the filter plate is fixedly disposed on the inner wall of the purification box;

[0033] A plurality of support rods are arranged on the bottom surface of the filter plate to connect the support ring and the filter plate;

[0034] The surface of the support ring is formed with telescopic holes corresponding to the support rods;

[0035] The support rod is movably inserted into the telescopic hole and connected via a first elastic member.

[0036] Through the design of the above scheme, when the gas passes through the filter plate, the filter plate can be shaken due to the action of wind; on the one hand, the shaking effect can increase the contact range between the gas and the filter plate, thereby improving the purification effect; on the other hand, if there is condensed water at the bottom of the filter plate, the condensed water can be shaken off onto the condensation plate.

[0037] In some embodiments, the condensation plates are fixedly disposed on the inner wall of the support ring and arranged in a line along the diameter direction of the support ring;

[0038] The side of the condensing plate away from the partition forms an arc portion;

[0039] The side of the condensation plate away from the arc portion forms a water guide portion;

[0040] The water guide portion corresponds to the water storage plate so that the condensed water is guided to the water storage plate.

[0041] Through the design of the above scheme, the structure of the arc portion can make the gas gather and stay on the surface of the arc portion for a short time, thereby improving the condensation effect; wherein, the water guide portion is conical, and the end portion corresponds to the water storage plate; therefore, it can ensure that the condensed water is guided to the water storage plate to prevent water dripping onto the partition.

[0042] In some embodiments, a reflow groove is formed in the support ring;

[0043] Both ends of the water storage plate are connected to the reflux groove to drain the condensed water into the reflux groove;

[0044] A water storage tank connected to the reflux tank is also provided on the welding chamber;

[0045] The water storage tank is connected with the water tank through a water pipe, and a water pump is arranged at the end of the water pipe to supply water to flow into the water tank through the water pipe.

[0046] Through the design of the above scheme, the circulation of water used for purifying the air is achieved, thus saving resources.

[0047] A processing technology for realizing the laser welding device for the frame of the above-mentioned mixed ammonium nitrate oil explosive vehicle comprises the following steps:

[0048] S1. After cleaning the welded parts, place them in the welding area;

[0049] S2. After closing the welding chamber, start welding and start the suction device at the same time;

[0050] S3, sucking the fume generated during welding into the purification box through the suction device;

[0051] S4. The gas is purified through the filter assembly and then discharged from the welding chamber.

[0052] In the above step S1, a laser welding machine for realizing automatic welding is placed in the welding area; and a tooling for supporting the parts to be welded is arranged in the welding area;

[0053] The above method realizes automatic welding, and can purify harmful gases generated by welding during the welding process, making the production environment more comfortable. BRIEF DESCRIPTION OF THE DRAWINGS

[0054] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The illustrative embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application.

[0055] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the components and elements are not necessarily drawn to scale.

[0056] In the attached picture:

[0057] Figure 1 is an overall schematic diagram according to an embodiment of the present application;

[0058] Figure 2 It is a structural schematic diagram of a part of the embodiment, mainly showing the installation structure of the purification box and the welding bin;

[0059] Figure 3 It is a structural schematic diagram of a part of the embodiment, mainly showing the installation structure of the filter assembly and the partition;

[0060] Figure 4 It is a structural schematic diagram of a part of the embodiment, mainly showing the structure of the partition;

[0061] Figure 5 It is a structural schematic diagram of a part of the embodiment, mainly showing the structure of the air guide member;

[0062] Figure 6 It is a structural schematic diagram of a part of the embodiment, mainly showing the explosion structure of the filter assembly;

[0063] Figure 7 It is a structural schematic diagram of a part of the embodiment, mainly showing the structure of the condensation plate and the water storage plate;

[0064] Figure 8 It is a structural schematic diagram of a part of the embodiment, mainly showing the structure of the water storage plate;

[0065] Fig. 9 It is a structural schematic diagram of a part of the embodiment, mainly showing the structure of the blocking block;

[0066] Fig.10 It is a structural schematic diagram of a part of the embodiment, mainly showing the structure of the reflow tank.

[0067] 1. Welding chamber; 2. Welding area; 3. Operating area; 4. Laser welding machine; 5. Operating table; 6. Purification box; 7. Air suction device; 8. Purification chamber; 9. Support column; 10. Exhaust hole; 11. Partition; 12. Air guide; 13. Filter assembly; 14. Ventilation hole; 15. Air guide strip; 16. Water tank; 17. Atomizing plate; 18. Atomizing nozzle; 19. Connecting groove; 20. Groove; 21. Blockage block; 22. Through hole; 24. Filter plate; 25. Condensation plate; 26. Water storage plate; 27. Support ring; 28. Support rod; 29. ​​Telescopic hole; 30. First elastic member; 31. Arc portion; 32. Water guide portion; 33. Reflux groove. DETAILED DESCRIPTION

[0068] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0069] It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0070] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0071] It should be noted that the modifications of "one" and "plurality" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0072] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments. Embodiment 1

[0073] Reference Figure 1-Figure 10 , a laser welding device for a mixed ammonium oil and fuel explosive vehicle frame, comprising: a welding chamber 1, a purification box 6, an air suction device 7, a partition 11, an air guide 12, a water tank 16, and a filter assembly 13;

[0074] In this embodiment, the welding chamber 1 is a rectangular chamber formed by splicing a plurality of partitions 11, and has two welding areas 2 for realizing welding operations; wherein, the welding chamber 1 completely seals the welding area 2, and an operation area 3 is provided at a position corresponding to the welding area 2 for operation by the staff; a chamber door is installed at the operation area 3 to seal the welding area 2 during welding operations; specifically, a laser welding machine 4 for realizing welding is placed in the welding area 2, and an operating table 5 is provided on the side of the welding chamber 1 to facilitate the control of the operation of the laser welding machine 4; 1 is provided above a purification box 6, the purification box 6 having a purification chamber 8 connected to the welding area 2; an air suction device 7 is installed at the upper end of the purification box 6, the air suction device 7 is any device that can form a negative pressure in the purification chamber 8, such as an air compressor or an air pump available on the market; preferably, a support column 9 connected to the purification chamber 8 is provided on the end face of the purification box 6, and a plurality of exhaust holes 10 are provided on the side wall of the support column 9; the air suction device 7 is installed at the end of the support column 9, and the present application does not make any improvement on the installation of the air suction device 7, so the installation form of the air suction device 7 is not described in detail;

[0075] In an optional scheme, a disc-shaped partition 11 is fixedly set at the junction of the purification chamber 8 and the welding area 2 to separate the welding area 2 from the purification chamber 8; the partition 11 can be installed by welding, bonding or bolting; a plurality of air guides 12 connecting the purification chamber 8 and the welding chamber 1 are arranged on the partition 11; wherein, a filter assembly 13 for filtering the gas generated by welding is arranged on the inner wall of the purification chamber 8 and above the partition 11; a negative pressure is generated in the purification chamber 8 by the suction device 7, so that the air guide 12 sucks air; the fume generated during welding is guided to the purification assembly through the air guide 12 for purification treatment, and then discharged from the exhaust hole 10.

[0076] In a more specific optional implementation scheme, the air guide member 12 includes air holes 14 and air guide strips 15; wherein, the air holes 14 are radially distributed toward the side of the partition 11 with the central axis of the partition 11 as the reference line; the air guide strips 15 are located on the inner wall of the air hole 14 and extend along the axial direction, and the extension trajectory rotates along the circumferential direction of the air hole 14; the air guide strips 15 are arranged in a circular array along the circumferential direction of the air hole 14 to guide the gas to enter the purification box 6 in a spiral shape; through the setting of the above-mentioned structure, the gas can rotate when entering the purification chamber 8, and during the rotation process, the particulate matter in the gas will be thrown away from the central axis of the air hole 14 under the action of centrifugal force, so that the particles and the gas are separated; since a plurality of air guide members 12 are provided, the particles separated by each air guide member 12 can collide with the particles separated by the adjacent air guide member 12 and adhere together to form particles with a smaller mesh size, which is beneficial to later filtration.

[0077] In an optional scheme, a water trough 16 for water flow is also provided on the partition 11, the water trough 16 is in a circular shape, and the extension trajectory of the water trough 16 is located between two adjacent air holes in the radial direction of the partition 11; wherein, an atomizing plate 17 is installed at the notch of the water trough 16, and the atomizing plate 17 is in a circular shape consistent with the water trough 16; and a plurality of atomizing nozzles 18 for forming fine water mist from the water in the water trough 16 are provided on the atomizing plate 17, and the atomizing nozzles 18 are arranged in a circular array along the extension trajectory of the atomizing plate 17; specifically, the atomizing nozzles 18 have an injection path for guiding the fine water mist to be sprayed to the filter component 13; since the atomizing nozzles 18 are arranged in a circular shape, the atomizing plate 17 will form an annular water mist barrier; it can be understood that the vortex-shaped airflow formed by the air guide 12 can combine the particles in the gas with the water mist, thereby bonding the particles through water droplets, and has a flocculation effect on the particles; and then the particles can be filtered through the setting of the filter component 13, thereby improving the gas purification effect.

[0078] In an optional solution, a connecting groove 19 is provided between two adjacent water grooves 16 on the partition 11 to connect the two adjacent water grooves 16; wherein, a groove 20 is formed at the bottom of the connecting groove 19, and a blocking block 21 is movably provided on the inner wall of the groove 20 for isolating the two ends of the connecting groove 19; specifically, a surface portion of the blocking block 21 penetrates to form a through hole 22 connecting the water grooves 16 on both sides of the blocking block 21; taking the present embodiment as an example, when the connecting groove 19 is in a blocked state, the inner wall of the groove 20 completely covers the through hole 22; when one of the water grooves 16 is in a water-flowing state, the atomizing plate 17 corresponding to the water-flowing state starts to spray water mist; more specifically, an electromagnet for driving the blocking block 21 to move is also provided on the partition 11; after the electromagnet is energized to generate magnetism, it will attract the blocking block 21 to move, so that the through hole 22 connects the connecting groove 19; in this way, water flows through both water grooves 16, so that both atomizing plates 17 form a water mist barrier; it can be understood that a concentric water mist barrier is formed on the partition 11; the effect of adhesion between particles and water droplets is improved.

[0079] In an optional solution, an air quality detector is installed inside the purification box 6 to detect the air at the exhaust hole 10; the particle detector is electrically connected to the central processing unit arranged in the operating table 5, and the central processing unit is electrically connected to the display module for displaying the air quality at the exhaust hole; and is connected to the actuator; the actuator is electrically connected to the electromagnet to control the start / shutdown of the electromagnet; it can be understood that the air quality detector transmits the detected data to the central processing unit, and determines whether the air meets the standard through the central processing unit; wherein the air quality standard can be input into the central processing unit according to the actual situation; if the air quality does not meet the standard, the actuator starts the electromagnet to make multiple atomization plates 17 atomize at the same time; it can be understood that a large increase in the density of water droplets can improve the binding effect with particulate matter, and thereby improve the air purification effect through the filter component 13.

[0080] In a more specific optional embodiment, the filter assembly 13 includes: a filter plate 24, a condensation plate 25, and a water storage plate 26; a support ring 27 for supporting the filter plate 24 is fixedly arranged on the inner wall of the purification chamber 8; wherein, a plurality of support rods 28 are arranged on the bottom surface of the filter plate 24 to connect the support ring 27 and the filter plate 24, and a telescopic hole 29 corresponding to the support rod 28 is formed on the surface of the support ring 27; the support rod 28 is movably inserted into the telescopic hole 29 and connected by a first elastic member 30; the first elastic member 30 is a spring, which gives the support rod 28 elasticity away from the bottom of the telescopic hole 29; more specifically, there is a spacing between the side wall of the support rod 28 and the inner wall of the telescopic hole 29; with such a configuration, when the gas contacts the filter plate 24, the filter plate 24 will be shaken due to the influence of wind force; when shaking, the turbulence of the air inside the filter plate 24 can be aggravated, so that the filtering effect with the filter plate 24 is better;

[0081] In another optional embodiment, the condensation plate 25 is fixedly arranged on the inner wall of the support ring 27 below the filter plate 24, and is arranged in a line along the diameter direction of the support ring 27; specifically, the side of the condensation plate 25 away from the partition 11 forms a circular arc portion 31; the setting of the circular arc portion 31 can accumulate water mist, expand the contact area between the water mist and the condensation plate 25, so that water droplets form a hanging wall on the condensation plate 25; at this time, the particles bonded by the water droplets are also hung on the condensation plate 25, achieving a preliminary filtering effect; wherein, the side of the condensation plate 25 away from the circular arc portion 31 forms a water guide portion 32, and the water droplets hanging on the wall of the condensation plate 25 can flow under the influence of gravity or wind, and be guided to the water storage plate 26 through the water guide portion 32;

[0082] Specifically, the water storage plate 26 is fixedly arranged on the inner wall of the support ring 27 below the condensation plate 25, and corresponds to the water guide part 32 of each condensation plate 25; in this way, water droplets can flow onto the water storage plate 26; in an optional scheme, a reflux groove 33 is formed in the support ring 27, and both ends of the water storage plate 26 are connected to the reflux groove 33 to drain the condensed water into the reflux groove 33; preferably, the water storage plate 26 is formed in a V-shape, with the middle higher than the two ends; in this way, water can be diverted from the two ends of the water storage plate 26 to the reflux groove 33; more specifically, a water storage tank is also provided on the welding warehouse 1, the water storage tank is connected to the reflux groove 33, and a filter net is provided at the connection point to filter impurities in the reflux groove 33; the water storage tank is connected to the water tank 16 through a water pipe, and a water pump is provided at the end of the water pipe to supply water to flow into the water tank 16 through the water pipe, thus forming a water circulation. Embodiment 2

[0083] A method comprising the following steps:

[0084] S1, after the frame assembly for assembling into the mixed ammonium oil-fuel explosive vehicle frame is cleaned up, it is placed on the tooling in the welding area 2 and fixed by the tooling; and the program for operating the laser welding machine 4 to perform automatic welding operation is input into the operating table 5;

[0085] S2, after closing the door, start the program to start welding; at the same time start the suction device 7;

[0086] S3, the smoke generated during welding is sucked into the purification box 6 through the suction device 7; the water pump is started to fill the purification chamber 8 with water mist;

[0087] S4. The flue gas meets the water mist so that the particles are combined with water; then when the water mist passes through the condensation plate 25, the water droplets are hung on the wall of the condensation plate 25 and are initially filtered; the gas that has undergone the initial filtration treatment enters the filter plate 24 and is filtered to purify the air; wherein, the air at the exhaust hole 10 is detected in real time by an air quality detector, and the density of the water mist in the purification chamber 8 is adjusted according to the air quality; the greater the density of the water mist, the better the effect of removing particles in the gas.

[0088] The above method can achieve the purification of the smoke generated during the welding process; the effect of water mist can also increase the humidity of the air, making the operating area comfortable.

[0089] The above descriptions are only some preferred embodiments of the present disclosure and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the above inventive concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in the embodiments of the present disclosure.

Claims

1. A laser welding device for a frame of a mixed ammonium nitrate oil explosive vehicle, comprising: A welding chamber, having at least one welding area for performing welding operations; A purification box, disposed on the top of the welding chamber and connected to the welding area; An air suction device, installed on the purification box; It is characterized in that: the laser welding device for the frame of the mixed ammonium nitrate oil explosive vehicle also includes: A partition plate is arranged on the inner wall of the purification box to separate the welding area and the purification box; A plurality of air guides are provided on the partition plate; A water tank, disposed on the partition; A filter assembly is disposed in the purification box and is used to filter the gas generated by welding; The air guide member includes an air hole penetrating the partition plate and an air guide strip arranged on the inner wall of the air hole; an atomizing plate for atomizing water is installed on the water tank; The filter assembly comprises: A filter plate, disposed in the purification box and located above the partition; A condensation plate, disposed between the filter plate and the partition plate; A water storage plate, arranged below the condensation plate; A support ring for supporting the filter plate is fixedly arranged on the inner wall of the purification box; A plurality of support rods are arranged on the bottom surface of the filter plate to connect the support ring and the filter plate; The surface of the support ring is formed with a telescopic hole corresponding to the support rod; The support rod is movably inserted into the telescopic hole and connected via a first elastic member; The condensation plates are fixedly arranged on the inner wall of the support ring and arranged in a line along the diameter direction of the support ring; The condensing plate forms an arc portion away from the side of the partition; The side of the condensation plate away from the arc portion forms a water guide portion; Wherein, the water guide portion corresponds to the water storage plate so that the condensed water is guided to the water storage plate; A reflux groove is formed in the support ring; Both ends of the water storage plate are connected to the reflux groove so that the condensed water can be drained into the reflux groove; The welding chamber is also provided with a water storage tank connected to the reflux tank; The water storage tank is connected to the water tank through a water pipe, and a water pump is arranged at the end of the water pipe to supply water to flow into the water tank through the water pipe.

2. The laser welding device for the mixed ammonium nitrate-fuel mixture vehicle frame according to claim 1, wherein: The ventilation holes are radially distributed toward the side of the partition board with the central axis of the partition board as the reference line; The atomizing plate is in a circular ring shape, and any point of the atomizing plate is located between any two of the air holes in the radial direction of the partition plate.

3. The laser welding device for the mixed ammonium nitrate oil explosive vehicle frame according to claim 2, wherein: The air guide strip is located on the inner wall of the air hole and extends in the axial direction, and the extension track rotates along the circumferential direction of the air hole; The air guide strips are arranged in a circular array along the circumferential direction of the air holes to guide the air into the purification box in a spiral shape.

4. The laser welding device for the mixed ammonium nitrate-fuel mixture vehicle frame according to claim 3, wherein: A connecting groove is provided between two adjacent water grooves on the partition plate to connect the two adjacent water grooves; A blocking block is movably arranged on the communicating groove; The surface portion of the blocking block penetrates to form a through hole connecting the water tanks on both sides of the blocking block; Wherein, a groove corresponding to the blocking block is provided at the bottom of the water tank; the blocking block is movably arranged in the groove, and the inner wall of the groove completely covers the through hole; The partition plate is also provided with an electromagnet for driving the blocking block to move.

5. A processing technology for a laser welding device for a mixed ammonium nitrate oil explosive vehicle frame according to any one of claims 1 to 4, characterized in that: The following steps are involved: S1, placing the welded parts in the welding area after cleaning; S2. After closing the welding chamber, start welding and start the suction device at the same time; S3, sucking the fume generated during welding into the purification box through the suction device; S4. The gas is purified through the filter assembly and then discharged from the welding chamber.

6. The processing technology of the laser welding device for the mixed ammonium nitrate oil explosive vehicle frame according to claim 5 is characterized in that: In step S1, a laser welding machine for realizing automatic welding is placed in the welding area; and a tooling for supporting the parts to be welded is arranged in the welding area.

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