Back burning device

Abstract

The utility model provides a back burning device. The back burning device comprises a rail extending in the longitudinal direction; the back burning assemblies are arranged at intervals in the transverse direction; the back burning assembly comprises a plurality of baking guns arranged at intervals in the transverse direction. The conveying mechanism can move along the track and pass through the back burning assembly, the conveying mechanism is provided with a supporting face used for supporting a part to be subjected to back burning, the length of the part to be subjected to back burning extends in the transverse direction, and the supporting face upwards exceeds the top of the back burning assembly; the visual sensor is arranged above one group of back burning components and is used for collecting back burning position information of the to-be-back-burnt part; the controller is in communication connection with the visual sensor and is used for receiving the back burning position information and outputting a control signal according to the back burning position information; and the controller is in communication connection with the back burning assembly and is used for adjusting the position of the baking gun relative to the piece to be subjected to back burning according to the control signal.

Description

Technical Field

[0001] The utility model relates to the technical field of shipbuilding, in particular to a back-firing device. Background Art

[0002] my country's shipbuilding industry has flourished in recent years, with welding accounting for over 40% of shipbuilding work. However, due to uneven heat input and material properties, welding deformation and residual stresses inevitably occur within the structure during welding. Pyrotechnic backburning is used to eliminate weld deformation and residual stresses in ship structures. Currently, most shipyards still use manual pyrotechnics, which requires highly skilled personnel, is inefficient, costly, and poses challenges in ensuring quality. Utility Model Content

[0003] The purpose of the utility model is to provide a back-burning device to solve the problems of low efficiency and difficult quality assurance in the prior art.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions: a back-burning device, comprising:

[0005] Track, extending longitudinally;

[0006] A plurality of back-burning assemblies are arranged at intervals along the transverse direction; the back-burning assemblies include a plurality of baking guns arranged at intervals along the transverse direction, and the baking guns are used to back-burn the parts to be back-burned;

[0007] a conveying mechanism capable of moving along the track and passing through the back-burning assembly, the conveying mechanism having a support surface for supporting a to-be-back-burned piece having a length extending in a transverse direction, the support surface extending upward beyond the top of the back-burning assembly;

[0008] A visual sensor is provided above one of the back-burning assemblies and is used to collect back-burning position information of the parts to be back-burned;

[0009] A controller is communicatively connected to the visual sensor, configured to receive the back-burning position information and output a control signal based on the back-burning position information; the controller is communicatively connected to the back-burning assembly, configured to adjust the position of the baking gun relative to the workpiece to be back-burned based on the control signal.

[0010] In one embodiment, the back-burning assembly includes a base, a beam extending laterally on the base, and a transverse force member. A plurality of the roasting guns are arranged on the beam at intervals along the transverse direction. The transverse force member is used to drive the beam to move laterally relative to the base. The transverse force member is communicatively connected to the controller and is used to receive a control signal from the controller to drive the beam to move laterally.

[0011] In one embodiment, the baking gun includes an ignition sensor and a gun head. The ignition sensor is used to detect whether there are parts to be back-burned. The gun head is communicatively connected to the ignition sensor to receive signals and start and stop according to the signals.

[0012] In one embodiment, the back-burning assembly includes a transversely extending beam, and a plurality of the roasting guns are arranged on the transversely spaced beam, each of which can be raised and lowered relative to the beam. The back-burning assembly includes a distance sensor for detecting the vertical distance between the gun head of the roasting gun and the workpiece to be back-burned. The controller can control the raising and lowering of the roasting guns according to the distance detected by the distance sensor to adjust the distance.

[0013] In one embodiment, the back-burning assembly includes a base and a crossbeam extending laterally on the base, a plurality of the roasting guns are arranged on the crossbeam at intervals along the transverse direction, the roasting guns can be moved laterally along the crossbeam to adjust the distance between any two adjacent roasting guns, and the back-burning assembly includes a locking member for locking the roasting guns and the crossbeam.

[0014] In one embodiment, the back-burning assembly includes a base, a beam arranged on the base and extending laterally, and a lifting power component, wherein the lifting power component is used to drive the beam to rise and fall relative to the base, and the lifting power component is communicatively connected to the controller to receive control from the controller to rise to a safe height or descend below the safe height.

[0015] In one embodiment, the controller is in communication with the conveying mechanism and is used to control the speed of the conveying mechanism when transporting the parts to be back-fired through the back-fired assembly.

[0016] In one embodiment, the visual sensor is disposed at an outer end of the back-burning assembly at the end, so as to detect the position of the reinforcing beam of the part to be back-burned at the end and obtain the back-burning position signal.

[0017] In one embodiment, the number of the back-burning assemblies is three, the number of the tracks is two, one track is provided between any two adjacent back-burning assemblies, and the conveying mechanism spans the two tracks and moves along the tracks;

[0018] The number of baking guns of the back-fired assembly located in the middle is greater than the number of baking guns of the back-fired assembly located at the end.

[0019] In one embodiment, the back-burning device includes a column and a support rod arranged at the top of the column and extending laterally, the column is arranged on the outside of the back-burning assembly located at the end, the support rod is located above the back-burning assembly, and the visual sensor is arranged at the bottom of the support rod.

[0020] It can be seen from the above technical solution that the present invention has at least the following advantages and positive effects:

[0021] The back-burning device of the present invention includes a track, a conveyor mechanism, a back-burning assembly, a visual sensor, and a controller. The conveyor mechanism moves along the track, carrying the workpiece to be back-burned to the back-burning assembly. The visual sensor collects back-burning position signals, and the controller outputs a control signal based on this back-burning position information. The controller adjusts the position of the firing gun relative to the workpiece to be back-burned, and the back-burning assembly performs back-burning on the workpiece. This back-burning device achieves back-burning by allowing the workpiece to move with the conveyor mechanism while the firing gun remains virtually stationary. The coordination of these mechanisms enables automation, improving back-burning efficiency and quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a main schematic diagram of the back-firing device and the workpiece to be back-firing in the utility model.

[0023] Figure 2 yes Figure 1 A local schematic diagram of .

[0024] Figure 3 It is a side view schematic diagram of the back-burning component in the utility model.

[0025] The following are the descriptions of the reference numerals:

[0026] 11. Track; 12. Back-burning assembly; 121. Base; 122. Crossbeam; 123. Grill gun; 1231. Ignition sensor; 124. Lifting power unit; 1241. Motor; 1242. Connecting rod; 125. Locking member; 126. Lifting drive unit; 127. Distance sensor; 128. Transverse force unit; 13. Conveying mechanism; 14. Vision sensor; 15. Controller;

[0027] 2. Parts to be back-fired; 21. Plate; 22. Reinforcement beam. DETAILED DESCRIPTION

[0028] Although the present invention can be easily embodied as embodiments of different forms, only some of the specific embodiments are shown in the drawings and will be described in detail in this specification. It should be understood that this description should be regarded as an exemplary illustration of the principles of the present invention and is not intended to limit the present invention to that described herein.

[0029] Thus, a feature indicated in this specification is intended to illustrate one of the features of one embodiment of the present invention, rather than implying that every embodiment of the present invention must have the described feature. Furthermore, it should be noted that this specification describes many features. Although certain features can be combined together to illustrate possible system designs, these features can also be used in other, not explicitly described, combinations. Thus, unless otherwise noted, the described combinations are not intended to be limiting.

[0030] In the embodiments shown in the accompanying drawings, directional indications (such as up, down, left, right, front, and back) used to explain the structure and movement of various components of the present invention are not absolute but relative. These descriptions are applicable when these components are in the positions shown in the accompanying drawings. If the descriptions of the positions of these components are changed, these directional indications will also change accordingly.

[0031] See Figure 1 The utility model provides a back-burning device, which is suitable for back-burning of ship structural parts during the ship manufacturing process.

[0032] Back burning refers to the pyrotechnic operation on the back side of the weld.

[0033] The back-firing device includes a longitudinally extending track 11, multiple sets of back-firing assemblies 12 spaced laterally, a conveyor mechanism 13, a visual sensor 14, and a controller. The conveyor mechanism 13 moves the workpiece 2 to be back-firing, the visual sensor 14 collects information, and the controller controls the movement of the back-firing assembly 12, allowing the workpiece 2 to be back-firinged while the mobile firing gun 123 remains virtually stationary, improving efficiency and quality.

[0034] The back-burning part 2 can be any structure constituting a hull, such as a deck.

[0035] The deck includes a plate body 21 and reinforcing beams 22 arranged parallel to and spaced apart from each other on the plate body 21 . The reinforcing beams 22 extend along the width direction of the plate body 21 , and a plurality of reinforcing beams 22 are arranged at intervals along the length direction of the plate body 21 .

[0036] The track 11 extends in the longitudinal direction. For ease of description, the extending direction of the track 11 is defined as the longitudinal direction, and the extending direction in the horizontal plane and perpendicular to the longitudinal direction is defined as the transverse direction.

[0037] The track 11 can be arranged on the ground or under the ground. The longitudinal ends of the track 11 are respectively provided with a loading station and a unloading station.

[0038] In this embodiment, there are two rails 11 , which are spaced apart in the transverse direction.

[0039] The conveyor mechanism 13 is capable of moving along the track 11 and passing through the back-firing assembly 12. Specifically, the conveyor mechanism 13 can move along the track 11 to the loading station for loading. After loading, the conveyor mechanism 13 moves through the back-firing assembly 12, performing back-firing during the movement. The conveyor mechanism 13 can also move to the unloading station for unloading, unloading the back-fired workpiece 2 to the unloading station. Specifically, the conveyor mechanism 13 carries the workpiece 2 to be back-fired through the back-firing assembly 12, and the back-firing assembly 12 performs back-firing on the moving workpiece 2.

[0040] The conveying mechanism 13 has a support surface for supporting the laterally extending back-burned workpiece 2. The support surface extends upward beyond the top of the back-burning assembly 12. Specifically, the conveying mechanism 13 is relatively high, extending upward above the back-burning assembly 12, so that the workpiece 2 to be back-burned is positioned above the back-burning assembly 12.

[0041] Specifically, the conveying mechanism 13 spans across the two rails 11 and moves along the rails 11. In this embodiment, the conveying mechanism 13 is a ground rail trolley.

[0042] Multiple groups of back-burning assemblies 12 are arranged at intervals along the horizontal direction. In this embodiment, there are three groups of back-burning assemblies 12, and there is a track 11 between any two adjacent groups of back-burning assemblies 12, that is, back-burning assemblies 12 are provided on opposite sides of each track 11, so that the conveying mechanism 13 can pass through the back-burning assemblies 12.

[0043] Combine Figure 2 and Figure 3 The back-burning assembly 12 includes a plurality of lances 123 spaced laterally apart. The lances 123 are used to back-burn the back-burned parts 2. The number of lances 123 in the middle back-burning assembly 12 is greater than the number of lances 123 in the end back-burning assemblies 12. In this embodiment, the middle back-burning assembly 12 includes nine lances 123, while the end back-burning assemblies 12 include six lances 123. In other embodiments, the number of lances 123 in each group of back-burning assemblies 12 can be increased based on actual needs.

[0044] The back-fired assembly 12 includes a base 121 and a crossbeam 122 disposed on the base 121 and extending laterally. The base 121 is disposed on the ground on both sides of the track 11. The base 121 includes two laterally spaced pillars extending vertically.

[0045] The back-burner assembly 12 includes a lifting element 124. This element is used to raise and lower the crossbeam 122 relative to the base 121. Specifically, this element 124 comprises a connecting rod extending laterally and a motor that drives the connecting rod up and down. The connecting rod is slidably connected to both pillars, and the motor drives the connecting rod up and down. In this embodiment, there are two motors, one for each pillar. The crossbeam 122 is connected to the connecting rod and rises and falls accordingly.

[0046] The lifting power member 124 is in communication with the controller to receive control from the controller to be raised to a safe height or lowered below the safe height.

[0047] Multiple lances 123 are spaced laterally along the crossbeam 122. The lances 123 can be moved laterally along the crossbeam 122 to adjust the distance between any two adjacent lances 123. Because decks of varying sizes have different spacing between adjacent reinforcement beams 22, adjusting the distance between adjacent lances 123 allows the backfire assembly 12 to accommodate decks of varying sizes.

[0048] The back-burning assembly 12 includes a locking member 125 , which is used to lock the roasting gun 123 and the crossbeam 122 .

[0049] For example, a plurality of sleeves are sleeved around the outer periphery of the crossbeam 122. The sleeves are movable along the crossbeam 122, and the grilling gun 123 is mounted on the sleeves. A locking member 125 is disposed at the bottom of the sleeve and extends upward through the bottom wall of the sleeve. The locking member 125 is threadedly connected to the bottom wall of the sleeve. The locking member 125 can be rotated to raise or lower its top end to abut the bottom of the crossbeam 122, or rotated away from the crossbeam 122 to allow the sleeve to move.

[0050] In this embodiment, the cross section of the cross beam 122 can be square. The cross section of the sleeve can also be square. Alternatively, the sleeve includes a U-shaped main body and two folded edges provided at the opening of the main body.

[0051] The distance between two adjacent baking guns 123 is pre-adjusted according to the size of the workpiece 2 to be back-fired.

[0052] Each roasting gun 123 can be raised and lowered relative to the crossbeam 122. Specifically, the roasting gun 123 is raised and lowered by a lifting drive 126. In this embodiment, the lifting drive 126 includes a motor and a lead screw. The motor is specifically disposed at the top of the sleeve, enabling the motor to be mounted on the crossbeam 122. The lead screw extends vertically and is connected to the output shaft of the motor. The roasting gun 123 is connected to the lead screw, and the motor drives the lead screw to rotate clockwise or counterclockwise, thereby raising or lowering the roasting gun 123, thereby adjusting the height distance between the gun tip and the workpiece 2 to be roasted.

[0053] Specifically, the roasting gun 123 is connected to the lead screw through a transition rod. The transition rod extends in the transverse direction. The two gun heads are arranged at both ends of the transition rod in the transverse direction.

[0054] The roasting gun 123 includes an ignition sensor and a gun head. The gun head is capable of ejecting flames, and the ignition sensor is used to detect the presence of a component 2 to be burned. The ignition sensor is in communication with the gun head and is used to control the start and stop of the gun head. Specifically, when the ignition sensor detects the component 2 to be burned, the gun head is controlled to start, i.e., ignite. If the ignition sensor does not detect the component 2 to be burned, or detects that the component 2 to be burned has moved away, the gun head is controlled to stop, i.e., extinguish the flame. In this embodiment, each roasting gun 123 includes two gun heads spaced laterally apart. The two gun heads are arranged at an angle facing each other, and both are oriented toward the location of the reinforcement beam.

[0055] The back-firing assembly 12 includes a distance sensor 127 for detecting the vertical distance between the torch tip of the torch 123 and the workpiece 2 to be back-firing. Specifically, the distance sensor 127 is located at the same height as the torch tip. Laterally, the distance sensor 127 is positioned between the two torch tips. Vertically, the distance sensor 127 is spaced apart from the torch tips and positioned upstream of the torch tips. This means that the workpiece to be back-firing passes the distance sensor 127 before the torch tip.

[0056] The controller can control the raising and lowering of the grilling gun 123 and adjust the distance according to the distance detected by the distance sensor 127. Specifically, the controller is in communication connection with the motor of the lifting drive member 126.

[0057] Furthermore, the back-burning assembly 12 also includes a transverse force member 128. That is, the back-burning assembly 12 includes a base 121, a crossbeam 122 provided on the base 121 and extending in the transverse direction, and the transverse force member 128. The transverse force member 128 is used to drive the crossbeam 122 to move in the transverse direction relative to the base 121. The transverse force member 128 is communicatively connected to the controller and is used to receive a control signal from the controller to drive the crossbeam 122 to move in the transverse direction. Through the movement of the crossbeam 122, the baking gun 123 is made to correspond to the part to be back-burned 2 that needs to be back-burned. For example, if the baking gun 123 corresponds to the reinforcement beam 22 of the deck, it can be achieved that the baking gun 123 corresponds to the back side of the weld between the reinforcement beam 22 and the plate body 21.

[0058] Specifically, the traversing force member 128 includes a lead screw and a motor that drives the lead screw. The lead screw extends laterally and is mounted on a connecting rod of the lifting force member 124. Specifically, a slide rail is provided at the top of the connecting rod. A nut is connected to the lead screw of the traversing force member 128, which slides with the slide rail. The nut is fixed to the bottom of the crossbeam. Therefore, when the lead screw rotates and drives the nut along the slide rail, the crossbeam 122 also moves laterally.

[0059] The visual sensor 14 is disposed above one of the back-burning assemblies 12 and is used to collect back-burning position information of the workpiece 2 to be back-burned.

[0060] Specifically, a visual sensor 14 is located at the outer end of the back-burning assembly 12 to detect the position of the reinforcement beam 22 at the end of the back-burning component 2 and generate a back-burning position signal. Because the spacing between adjacent reinforcement beams 22 on a fixed-size deck is constant, the visual sensor 14 can determine the position of all back-burning components on the deck by simply detecting the position of the first reinforcement beam 22, thereby locating the roasting gun 123.

[0061] The back-burning device includes a column and a support rod arranged at the top of the column and extending laterally. The column is arranged on the outside of the back-burning component 12 at the end, such as Figure 1 The support rod is located above the back-burning assembly 12, and the visual sensor 14 is arranged at the bottom of the support rod.

[0062] Preferably, the visual sensor 14 is set at a distance between the support rod and the column to ensure that the visual sensor 14 can meet the detection requirements of most sizes of the back-fired parts 2, so that the distance between the visual sensor 14 and the first reinforcing beam 22 on the back-fired parts 2 is closer, thereby improving the detection accuracy.

[0063] For example, the visual sensor 14 can use the center of the column as the origin to detect the longitudinal coordinates of the first reinforcing beam 22 located at the end (or detect the distance between the reinforcing beam 22 and the origin). After the controller obtains the back-burning position signal, the controller controls the transverse force member 128 to start, and moves the center of the baking gun 123 located at the end to the longitudinal coordinates of the reinforcing beam 22.

[0064] The controller is connected to the visual sensor 14 for receiving back-burning position information and outputting a control signal based on the back-burning position information. The controller is connected to the back-burning assembly 12 for adjusting the position of the baking gun 123 relative to the workpiece 2 to be back-burned based on the control signal.

[0065] The controller is in communication with the conveyor mechanism 13 and is used to control the speed of the conveyor mechanism 13 as it transports the workpiece 2 to be backfired through the backfire assembly 12, allowing the workpiece 2 to be backfired while in motion. The controller controls the conveyor mechanism 13 to move through the backfire assembly 12 at varying speeds depending on the thickness of the workpiece 2 to be backfired. Generally, the thicker the workpiece 2 to be backfired, the slower the speed, allowing the workpiece 2 to be backfired for a longer period of time.

[0066] The back-burning method of the back-burning device comprises the following steps:

[0067] S1. Load the workpiece 2 to be back-fired onto the conveying mechanism 13 so that the length of the workpiece 2 to be back-fired extends in the transverse direction.

[0068] The conveying mechanism 13 moves to the loading station, that is, one end of the track 11 , and then loads the workpiece 2 to be back-fired onto the conveying mechanism 13 .

[0069] S2 , the conveying mechanism 13 moves along the track 11 to move the workpiece 2 to be back-burned to the back-burning assembly 12 .

[0070] S3. The visual sensor 14 detects the back-burning position information of the workpiece 2 to be back-burned.

[0071] Specifically, the visual sensor 14 detects the position of the first reinforcing beam 22 of the part 2 to be back-burned, thereby obtaining the back-burning position information.

[0072] The size information of the workpiece 2 to be back-fired can be input into the controller in advance. The controller can obtain the positions of all the reinforcing beams 22 based on the size information of the workpiece 2 to be back-fired and the position of the first reinforcing beam 22 .

[0073] S4. The controller controls the back-burning assembly 12 to move according to the back-burning position information so that the baking gun 123 corresponds to the position where the back-burned component 2 needs to be back-burned.

[0074] Specifically, once the size of the back-burned part 2 is predetermined, the spacing between two adjacent reinforcing beams 22 is also determined. Therefore, the spacing between two adjacent baking guns 123 can be adjusted in advance so that each baking gun 123 corresponds to a reinforcing beam 22 .

[0075] The controller controls the movement of the crossbeam 122 of each back-burning assembly 12 based on the back-burning position information of the first reinforcing beam 22 detected by the visual sensor 14, so that the baking gun 123 at the head end corresponds to the first reinforcing beam 22, thereby achieving that each baking gun 123 corresponds to a reinforcing beam 22.

[0076] It should be noted that the distance between two adjacent back-fired assemblies 12 is fixed. Therefore, the controller can achieve that each baking gun 123 of multiple groups of back-fired assemblies 12 corresponds to a reinforcing beam 22 by controlling the movement of the crossbeam 122 .

[0077] S5. The conveying mechanism 13 moves, so that the workpiece 2 to be back-burned passes through the back-burning assembly 12 in the longitudinal direction, and the back-burning is completed.

[0078] When the conveying mechanism 13 moves with the workpiece 2 to be back-fired, it detects whether the workpiece 2 to be back-fired is close to or away from the baking gun 123 and controls the baking gun 123 to be turned on or off according to the detected signal.

[0079] After the ignition sensor of the baking gun 123 detects the edge of the workpiece 2 to be back-burned, it controls the gun head to start and the back-burning begins.

[0080] After the conveying mechanism 13 moves and the entire workpiece 2 to be back-burned passes through the baking gun 123, the ignition sensor detects that the workpiece 2 to be back-burned has left its detection range, and the gun head is closed. The back-burning process is completed.

[0081] When back-burning begins, the distance sensor 127 detects the vertical distance between the gun head and the workpiece 2 to be back-burned. A preset height is set in the controller. The controller controls the lifting drive 126 to start and lift the gun head to the preset height based on the difference between the real-time distance detected by the distance sensor 127 and the preset height.

[0082] When the conveying mechanism 13 moves with the workpiece 2 to be back-fired and back-fired, the distance sensor 127 also detects the distance in real time, and the controller also detects the distance in real time according to the difference between the distance detected by the distance sensor 127 and the preset height.

[0083] Therefore, by adjusting the vertical distance, it is ensured that when the back-burning assembly 12 is back-burned, each part of the back-burned part 2 can obtain a consistent back-burning effect, and all of them are good back-burning effects.

[0084] The controller controls the speed of the conveying mechanism 13 passing through the back-burning assembly 12 according to the thickness of the back-burned workpiece 2. That is, the thicker back-burned workpiece 2 passes through the back-burning assembly 12 at a lower speed, thereby obtaining a longer back-burning time.

[0085] In this back-firing method, a conveying mechanism 13 moves along a track 11, carrying a workpiece 2 to be back-fired to a back-firing assembly 12. A visual sensor 14 collects a back-firing position signal, and based on the back-firing position information, the position of a baking gun 123 relative to the workpiece 2 to be back-fired is adjusted. The workpiece 2 to be back-fired is then back-fired by the back-firing assembly 12. This back-firing method has a high degree of automation, improves back-firing efficiency, and enhances back-firing quality.

[0086] While the present invention has been described with reference to several exemplary embodiments, it should be understood that the terms used are illustrative and exemplary rather than restrictive. Since the present invention can be embodied in a variety of forms without departing from the spirit or essence of the invention, it should be understood that the above-described embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope of the appended claims. Therefore, all changes and modifications that fall within the scope of the claims or their equivalents are intended to be covered by the appended claims.

Claims

1. A back-burning device, characterized in that: include: Track, extending longitudinally; A plurality of back-burning assemblies are arranged at intervals along the transverse direction; the back-burning assemblies include a plurality of baking guns arranged at intervals along the transverse direction, and the baking guns are used to back-burn the parts to be back-burned; a conveying mechanism capable of moving along the track and passing through the back-burning assembly, the conveying mechanism having a support surface for supporting a to-be-back-burned piece having a length extending in a transverse direction, the support surface extending upward beyond the top of the back-burning assembly; A visual sensor is provided above one of the back-burning assemblies and is used to collect back-burning position information of the parts to be back-burned; A controller is communicatively connected to the visual sensor, configured to receive the back-burning position information and output a control signal based on the back-burning position information; the controller is communicatively connected to the back-burning assembly, configured to adjust the position of the baking gun relative to the workpiece to be back-burned based on the control signal.

2. The back-burning device according to claim 1, characterized in that The back-burning assembly includes a base, a beam arranged on the base and extending laterally, and a transverse force member. A plurality of the roasting guns are arranged on the beam at intervals along the transverse direction. The transverse force member is used to drive the beam to move laterally relative to the base. The transverse force member is communicatively connected to the controller and is used to receive a control signal from the controller to drive the beam to move laterally.

3. The back-burning device according to claim 1, characterized in that The baking gun includes an ignition sensor and a gun head. The ignition sensor is used to detect whether there is a part to be back-burned. The gun head is communicatively connected to the ignition sensor and is used to receive signals and start and stop according to the signals.

4. The back-burning device according to claim 1, characterized in that The back-burning assembly includes a crossbeam extending in the transverse direction, and a plurality of the roasting guns are arranged on the crossbeam at intervals in the transverse direction. Each of the roasting guns can be raised and lowered relative to the crossbeam. The back-burning assembly includes a distance sensor for detecting the vertical distance between the gun head of the roasting gun and the part to be back-burned. The controller can control the raising and lowering of the roasting guns according to the distance detected by the distance sensor and thus adjust the distance.

5. The back-burning device according to claim 1, characterized in that The back-burning assembly includes a base and a crossbeam extending laterally on the base. A plurality of grilling guns are arranged on the crossbeam at intervals along the transverse direction. The grilling guns can be moved laterally along the crossbeam to adjust the distance between any two adjacent grilling guns. The back-burning assembly includes a locking member for locking the grilling guns and the crossbeam.

6. The back-burning device according to claim 1, characterized in that The back-burning assembly includes a base, a beam arranged on the base and extending laterally, and a lifting power member, wherein the lifting power member is used to drive the beam to rise and fall relative to the base, and the lifting power member is communicatively connected to the controller to receive control from the controller to rise to a safe height or descend below the safe height.

7. The back-burning device according to claim 1, characterized in that The controller is in communication with the conveying mechanism and is used to control the speed at which the conveying mechanism transports the parts to be back-fired through the back-fired assembly.

8. The back-burning device according to claim 1, characterized in that The visual sensor is arranged at the outer end of the back-burning assembly at the end, so as to detect the position of the back-burning part at the reinforcing beam at the end and obtain the back-burning position signal.

9. The back-burning device according to claim 1, characterized in that There are three back-burning assemblies and two tracks. One track is provided between any two adjacent back-burning assemblies. The conveying mechanism spans the two tracks and moves along the tracks. The number of baking guns of the back-fired assembly located in the middle is greater than the number of baking guns of the back-fired assembly located at the end.

10. The back-burning device according to claim 1, characterized in that The back-burning device includes a column and a support rod arranged at the top of the column and extending laterally. The column is arranged on the outside of the back-burning assembly at the end, the support rod is located above the back-burning assembly, and the visual sensor is arranged at the bottom of the support rod.

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