Welding device for metal part machining

Abstract

The invention belongs to the technical field of welding devices, and particularly discloses a metal part machining welding device which comprises a device body, a lifting moving arm is fixedly connected to the top end of the device body, a welding head is arranged on the left side of the lifting moving arm, and a welding table is fixedly connected to the top end of the left side of the device body. Two sets of workpiece fixing mechanisms are arranged at the top end of the welding table, the two sets of workpiece fixing mechanisms are arranged on the front side and the rear side of the top end of the welding table correspondingly, and each workpiece fixing mechanism comprises a main fixing module, a combining module, a removing module and a positioning module. And a combination module is arranged in the main fixing module, a removing module is arranged at the top end of the combination module, through the structural design of the workpiece fixing mechanism, metal parts of different specifications, different shapes and different sizes are fixed, the metal parts are stably welded, and the conditions of insufficient welding and partial welding are avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of welding devices, and in particular relates to a welding device for processing metal parts. Background Art

[0002] A welding device is a common device in the field of mechanical processing, which is mainly used to connect two metal objects. The main welding methods now include gas flame, arc, laser, electron beam, friction and ultrasonic, etc. Objects that can be connected by welding are no longer limited to metals.

[0003] The existing welding device for metal parts processing can specifically refer to the Chinese invention patent with application number: CN202311462234.3, which discloses a metal parts welding device in detail, including a welding platform, a feeding mechanism is fixedly connected to the top of the welding platform, a feeding channel is penetrated at one end of the welding platform, a discharge column is clamped inside the feeding channel, a push plate is slidably connected to the surface of the discharge column, a top spring is fixedly connected to the surface of the push plate, and the other end of the top spring is fixedly connected to the discharge column. The present invention drives the receiving seat to slide toward the cleaning plate direction through the transmission wheel group. After the connecting teeth are engaged with the driven teeth, the rotating block can drive the pipe part to rotate, and push the bowl part and the pipe part to dock through the push ring. The bowl part and the pipe part in the rotation process are uniformly welded by the welding gun, which can realize automatic docking and fixing, and clean the processing debris and dust remaining at the interface, realize automatic welding, and prevent safety accidents while ensuring the welding quality.

[0004] Although the welding devices in the prior art can already weld metal parts well, they still cannot effectively weld metal parts of various shapes. When welding metal parts of different shapes, the lack of effective fixation will cause the metal parts to shake and shift during the welding process, resulting in poor welding effect and the inability to fully connect the two sets of metal parts to be welded. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings in the prior art and to provide a welding device for metal parts processing.

[0006] To achieve the above objectives, the present invention provides a welding device for metal parts processing, including a device main body, a lifting and moving arm is fixedly connected to the top of the device main body, a welding head is arranged on the left side of the lifting and moving arm, a welding table is fixedly connected to the top of the left side of the device main body, a workpiece fixing mechanism is arranged on the top of the welding table, two groups of the workpiece fixing mechanisms are arranged, and the two groups of the workpiece fixing mechanisms are respectively arranged on the front and rear sides of the top of the welding table, the workpiece fixing mechanism includes a main fixing module, a combination module, a release module and a positioning module, a combination module is arranged inside the main fixing module, a release module is arranged at the top of the combination module, and a positioning module is arranged at the bottom of the main fixing module.

[0007] In the above technical scheme, further, the main fixing module includes a main positioning seat, which is arranged at the top of the welding table, and the front and rear sides of the top of the welding table are fixedly connected with baffles, and the baffle is in contact with one end of the main positioning seat, and the bottom end of the main positioning seat is slidably connected to the welding table, and the left and right sides of the main positioning seat are provided with auxiliary positioning seats, and a movable groove is opened on the side of the auxiliary positioning seat close to the main positioning seat, and a guide rod is fixedly connected to the inside of the movable groove, a first spring is wound around the outside of the guide rod, and a movable block is sleeved on the outside of the guide rod, the movable block is fixedly connected to the movable positioning seat, and the movable positioning seat is sleeved inside the main positioning seat, and a combination module is arranged between the main positioning seat and the movable positioning seat.

[0008] In the above technical solution, further, one end of the first spring close to the movable block is fixedly connected to the movable block, and one end of the first spring away from the movable block is fixedly connected to the inner wall of the movable groove.

[0009] In the above technical solution, further, the combination module includes a combination groove, which is opened at the top of the movable positioning seat, and the combination groove cooperates with the combination card block. The top of the combination card block is sleeved inside the movable cavity, and the movable cavity is opened on the inner wall of the main positioning seat. A second spring is arranged inside the movable cavity, and the bottom end of the second spring is fixedly connected to the top of the combination card block, and the top of the second spring is fixedly connected to the top of the inner wall of the movable cavity.

[0010] In the above technical solution, further, a slope is provided at the bottom end of the combined card block, and a first slider is fixedly connected to one side of the combined card block, the first slider is slidably connected to the inside of a first slide groove, and the first slide groove is provided on one side of the inner wall of the active cavity.

[0011] In the above technical solution, further, the release component includes an abutment groove, the abutment groove is arranged on the side of the combined card block away from the first slider, and the abutment groove cooperates with the abutment block, the abutment block is sleeved inside the moving cavity, the moving cavity is arranged on the side of the inner wall of the active cavity away from the first slide groove, and the moving cavity is communicated with the active cavity, a second slide block is fixedly connected to the inner wall of the moving cavity, the second slide block is slidably connected to the inside of the second slide groove, the second slide groove is arranged at the bottom end of the abutment block, a third spring is arranged inside the second slide groove, one side of the third spring is fixedly connected to the second slide block, and the other side of the third spring is fixedly connected to the inner wall of the second slide groove, a tooth groove is arranged on one side of the top of the abutment block, and the abutment block is connected to the passive gear The driven gear is meshed with each other, and is rotatably connected to the inner wall of the transmission chamber. The transmission chamber is arranged inside the main positioning seat, and the transmission chamber is communicated with the moving chamber. The driven gear is meshed with the driving gear, and the bottom end of the driving gear is also rotatably connected to the inner wall of the transmission chamber. The top of the driving gear is fixedly connected with a connecting shaft, and a connecting chamber is arranged at the top of the connecting shaft. A connecting sleeve rod is sleeved inside the connecting chamber, and the top of the connecting sleeve rod is fixedly connected to a fixed clamping plate. A fourth spring is arranged at the bottom end of the connecting sleeve rod, and the fixed clamping plate is engaged with a limit clamp, and the limit clamp is fixedly connected to the top of the main positioning seat. A knob is fixedly connected to the top of the fixed clamping plate, and an anti-slip sleeve is glued to the outer side of the knob, and the anti-slip sleeve is made of rubber.

[0012] In the above technical solution, further, the top end of the fourth spring is fixedly connected to the bottom end of the connecting sleeve rod, and the bottom end of the fourth spring is fixedly connected to the bottom end of the inner wall of the connecting cavity, and both sides of the inner wall of the connecting cavity are fixedly connected with a third slider, and the third slider is slidably connected to the inside of the third slide groove, and the third slide groove is opened on both sides of the connecting sleeve rod.

[0013] In the above technical scheme, further, the positioning assembly includes a fixed cavity, which is opened at the bottom ends of the main positioning seat and the auxiliary positioning seat, and a fixed block is provided inside the fixed cavity, and the fixed block cooperates with the fixed groove, and the fixed groove is opened at the top of the welding table. A fifth spring is also provided inside the fixed block, and the bottom end of the fifth spring is fixedly connected to the top of the fixed block, and the top of the fifth spring is fixedly connected to the top of the inner wall of the fixed cavity, and a push plate is fixedly connected to one side of the fixed block, and the push plate is L-shaped, and the push plate passes through the main positioning seat and the auxiliary positioning seat and extends to the outside of the main positioning seat and the auxiliary positioning seat.

[0014] Compared with the prior art, the present invention has the following beneficial effects: the present invention adopts a structural design of a combination of a main positioning seat, a secondary positioning seat and a movable positioning seat, and can effectively fix metal parts of different specifications and shapes by splitting the main positioning seat, the secondary positioning seat and the movable positioning seat, thereby effectively avoiding the occurrence of deviation and shaking during the welding process of metal parts of different specifications and shapes; The present invention facilitates the combination of the main positioning seat, the auxiliary positioning seat and the movable positioning seat through the structural design of the combined module, thereby facilitating the fixing of larger metal parts for alignment and welding. The present invention can conveniently and quickly control the connection between the movable positioning seat and the main positioning seat through the structural design of the release module, so as to separate the movable positioning seat from the main positioning seat. The structural design of the positioning module effectively avoids the main positioning seat and the auxiliary positioning seat from retreating due to the effect of the reaction force when fixing the metal parts. The structural design can more stably fix the metal parts, thereby facilitating the welding of the metal parts, effectively improving the welding quality, and avoiding the occurrence of biased welding and missing welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure proposed by the present invention; Figure 2 This is a schematic diagram of a first partial three-dimensional structure proposed by the present invention; Figure 3 A schematic diagram of a first partial cross-sectional three-dimensional structure proposed by the present invention; Figure 4 The present invention proposes Figure 3 The enlarged structural diagram at A in the middle; Figure 5 A schematic diagram of a second partial cross-sectional three-dimensional structure proposed by the present invention; Figure 6 The present invention proposes Figure 5 The enlarged structural diagram at B in the middle; Figure 7 A schematic diagram of a third partial cross-sectional three-dimensional structure proposed by the present invention; Figure 8 A schematic diagram of a fourth partial cross-sectional three-dimensional structure proposed by the present invention; Fig. 9 A fifth partial cross-sectional three-dimensional structural schematic diagram of the present invention; Fig.10 The present invention proposes Fig. 9 The enlarged structural diagram at C in the middle; Fig.11 The present invention proposes Fig.10 Enlarged structural diagram at D in the middle.

[0016] In the figure: 1, device body; 2, lifting movable arm; 3, welding head; 4, welding table; 51, main positioning seat; 52, baffle; 53, auxiliary positioning seat; 54, movable groove; 55, guide rod; 56, first spring; 57, movable block; 58, movable positioning seat; 59, combination groove; 60, combination card block; 61, movable cavity; 62, second spring; 63, first slider; 64, first slide groove; 65, abutment groove; 66, abutment block; 67, movable cavity; 68. Second slider; 69. Second slide groove; 70. Third spring; 71. Passive gear; 72. Driving gear; 73. Transmission cavity; 74. Connecting shaft; 75. Connecting cavity; 76. Connecting sleeve rod; 77. Fourth spring; 78. Third slider; 79. Third slide groove; 80. Fixed card plate; 81. Knob; 82. Anti-slip sleeve; 83. Limit card; 84. Fifth spring; 85. Fixed block; 86. Fixed groove; 87. Push plate; 88. Fixed cavity. DETAILED DESCRIPTION

[0017] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0018] like Figure 1-Figure 4 A welding device for metal parts processing shown in the figure includes a device body 1, the top of the device body 1 is fixedly connected with a lifting and moving arm 2, the left side of the lifting and moving arm 2 is provided with a welding head 3, the top of the left side of the device body 1 is fixedly connected with a welding table 4, the top of the welding table 4 is provided with a workpiece fixing mechanism, the workpiece fixing mechanism is provided with two groups, and the two groups of workpiece fixing mechanisms are respectively arranged on the front and back sides of the top of the welding table 4, the workpiece fixing mechanism includes a main fixing module, a combination module, a release module and a positioning module, the interior of the main fixing module is provided with a combination module, the top of the combination module is provided with a release module, and the bottom of the main fixing module is provided with a positioning module; through the combined effect between the various components, metal parts of various specifications, shapes and volumes can be effectively fixed, and then the metal parts can be stably welded to avoid the situation of false welding and biased welding.

[0019] like Figure 2-Figure 8A welding device for metal parts processing shown in the figure, the main fixing module includes a main positioning seat 51, the main positioning seat 51 is arranged at the top of the welding table 4, the front and rear sides of the top of the welding table 4 are fixedly connected with baffles 52, the baffle 52 is in contact with one end of the main positioning seat 51, the bottom end of the main positioning seat 51 is slidably connected to the welding table 4, and the left and right sides of the main positioning seat 51 are provided with auxiliary positioning seats 53, the auxiliary positioning seat 53 is provided with a movable groove 54 on the side close to the main positioning seat 51, the inside of the movable groove 54 is fixedly connected with a guide rod 55, the outer side of the guide rod 55 is wrapped with a first spring 56, and the outer side of the guide rod 55 is sleeved with a movable block 57, the movable block 57 is fixedly connected with a movable positioning seat 58, the movable positioning seat 58 is sleeved inside the main positioning seat 51, and a combination module is provided between the main positioning seat 51 and the movable positioning seat 58, the first spring 56 is close to One end of the movable block 57 is fixedly connected to the movable block 57, and one end of the first spring 56 away from the movable block 57 is fixedly connected to the inner wall of the movable groove 54; the combination module includes a combination groove 59, which is arranged at the top of the movable positioning seat 58, and the combination groove 59 cooperates with the combination card block 60, the top of the combination card block 60 is sleeved inside the movable cavity 61, and the movable cavity 61 is arranged on the inner wall of the main positioning seat 51, and a second spring 62 is arranged inside the movable cavity 61, and the bottom end of the second spring 62 is fixedly connected to the top of the combination card block 60, and the top end of the second spring 62 is fixedly connected to the top of the inner wall of the movable cavity 61, and the bottom end of the combination card block 60 is provided with an inclined surface, and one side of the combination card block 60 is fixedly connected with a first slider 63, and the first slider 63 is slidably connected to the inside of the first slide groove 64, and the first slide groove 64 is arranged on one side of the inner wall of the movable cavity 61;When the auxiliary positioning seat 53 and the movable positioning seat 58 are combined with the main positioning seat 51, the auxiliary positioning seat 53 and the movable positioning seat 58 are first pushed to move toward the main positioning seat 51, so that the movable positioning seat 58 is inserted into the interior of the main positioning seat 51. When the movable positioning seat 58 is inserted into the interior of the main positioning seat 51, the top of the movable positioning seat 58 squeezes the inclined surface opened at the bottom end of the combined card block 60. Under the action of the squeezing force, the combined card block 60 moves toward the interior of the active cavity 61 and squeezes the second spring 62, so that the second spring 62 is elastically deformed under the action of the squeezing force. When the movable positioning seat 58 is combined with the main positioning seat 51, the movable positioning seat 58 is inserted into the interior of the main positioning seat 51. When the inner wall of the seat 51 abuts and cannot be inserted further, the squeezing force of the movable positioning seat 58 on the combination block 60 disappears. At this time, the combination block 60 returns to its original position under the restoring force of the second spring 62, and is inserted into the combination groove 59 and engaged with the combination groove 59, which plays the effect of continuing to fix the movable positioning seat 58, so that the movable positioning seat 58 and the auxiliary positioning seat 53 are combined with the main positioning seat 51. When the auxiliary positioning seat 53 is pushed and the movable positioning seat 58 is inserted into the main positioning seat 51, the movable block 57 slides in the movable groove 54 and squeezes the first spring 56 to cause the first spring 56 to produce elastic deformation.

[0020] like Figure 6-Figure 10A welding device for metal parts processing is shown, the release assembly includes an abutment groove 65, the abutment groove 65 is arranged on the side of the combined card block 60 away from the first slider 63, and the abutment groove 65 cooperates with the abutment block 66, the abutment block 66 is sleeved inside the moving cavity 67, the moving cavity 67 is arranged on the side of the inner wall of the active cavity 61 away from the first slide groove 64, and the moving cavity 67 is connected to the active cavity 61, and the inner wall of the moving cavity 67 is fixedly connected to the second slider 68, and the second slider 68 is slidably connected to the inner wall of the second slide groove 69. The second slide groove 69 is provided at the bottom end of the abutment block 66, a third spring 70 is provided inside the second slide groove 69, one side of the third spring 70 is fixedly connected to the second slider 68, and the other side of the third spring 70 is fixedly connected to the inner wall of the second slide groove 69, a tooth groove is provided on one side of the top of the abutment block 66, and the abutment block 66 is meshed with a driven gear 71, and the driven gear 71 is rotatably connected to the inner wall of a transmission cavity 73, and the transmission cavity 73 is provided inside the main positioning seat 51, and the transmission cavity 73 is connected to the moving cavity 67. The driven gear 71 is meshed with the driving gear 72, and the bottom end of the driving gear 72 is also rotatably connected to the inner wall of the transmission chamber 73. The top of the driving gear 72 is fixedly connected with a connecting shaft 74, and a connecting chamber 75 is provided at the top of the connecting shaft 74. A connecting sleeve rod 76 is sleeved inside the connecting chamber 75. The top of the connecting sleeve rod 76 is fixedly connected to a fixed card plate 80, and a fourth spring 77 is provided at the bottom end of the connecting sleeve rod 76. The fixed card plate 80 is engaged with a limit card 83, and the limit card 83 is fixedly connected to On the top of the main positioning seat 51, the top of the fixed card plate 80 is fixedly connected with a knob 81, and the outer side of the knob 81 is glued with an anti-slip sleeve 82, and the anti-slip sleeve 82 is made of rubber. The top of the fourth spring 77 is fixedly connected to the bottom end of the connecting sleeve rod 76, and the bottom end of the fourth spring 77 is fixedly connected to the bottom end of the inner wall of the connecting cavity 75. Both sides of the inner wall of the connecting cavity 75 are fixedly connected with a third slider 78, and the third slider 78 is slidably connected to the inside of the third slide groove 79, and the third slide groove 79 is opened on both sides of the connecting sleeve rod 76;When separating the main positioning seat 51 from the auxiliary positioning seat 53 to fix smaller metal parts, first pull the knob 81 and the anti-slip sleeve 82 upward. Under the action of the pulling force, the knob 81 and the anti-slip sleeve 82 move upward, and drive the fixed card plate 80 to move upward synchronously to release the state of being engaged with the limit card 83. At this time, rotating the knob 81 and the anti-slip sleeve 82 drives the connecting shaft 74 and the active gear 72 to rotate synchronously through the third slider 78 and the third slide groove 79, so that the two sets of passive gears 71 meshing with the active gear 72 rotate synchronously, and then the abutment block 66 meshing with the passive gear 71 moves toward the combined card block 60, and Inserted into the abutment groove 65, the combination block 60 is pushed to move into the movable cavity 61, so that the combination block 60 is released from the state of being engaged with the combination groove 59. At this time, the limiting effect of the movable positioning seat 58 is released, and the movable positioning seat 58 and the movable block 57 are restored to their original positions under the pulling force of the first spring 56, forming a V-shaped structural design with the auxiliary positioning seat 53, so as to facilitate the centering and fixing of smaller metal parts. By splitting the main positioning seat 51 and the auxiliary positioning seat 53 into three groups of structural designs, multiple groups of smaller metal parts can be fixed at the same time, and special-shaped non-standard metal parts can also be fixed. ;

[0021] like Fig.11A welding device for metal parts processing shown in FIG. 1 , wherein the positioning assembly includes a fixing cavity 88, wherein the fixing cavity 88 is provided at the bottom ends of the main positioning seat 51 and the auxiliary positioning seat 53, wherein a fixing block 85 is sleeved inside the fixing cavity 88, wherein the fixing block 85 cooperates with a fixing groove 86, wherein the fixing groove 86 is provided at the top end of the welding table 4, wherein a fifth spring 84 is further provided inside the fixing block 85, wherein the bottom end of the fifth spring 84 is fixedly connected to the top end of the fixing block 85, and the top end of the fifth spring 84 is fixedly connected to the top end of the inner wall of the fixing cavity 88, and one side of the fixing block 85 is fixedly connected to the fixing block 85. There is a push plate 87, which is L-shaped and passes through the main positioning seat 51 and the auxiliary positioning seat 53 and extends to the outside of the main positioning seat 51 and the auxiliary positioning seat 53; when welding larger metal parts, there is no need to separate the auxiliary positioning seat 53 and the movable positioning seat 58 from the main positioning seat 51. At this time, the two groups of main positioning seats 51 can be directly pushed closer to each other, so that the main positioning seat 51 drives the auxiliary positioning seat 53 to move synchronously, so that the inclined surface of the fixed block 85 set at the bottom of the main positioning seat 51 and the auxiliary positioning seat 53 is squeezed by the welding table 4, so that the fixed block 85 is squeezed Under the action of the force, the fifth spring 84 is squeezed to move toward the inside of the fixing cavity 88, so that the fifth spring 84 is elastically deformed under the action of the squeezing force. Through the overall V-shaped design of the main positioning seat 51 and the auxiliary positioning seat 53, the metal part is pushed and moved by the main positioning seat 51 and the auxiliary positioning seat 53 to move toward the center position of the main positioning seat 51. When the two sets of main positioning seats 51 and the auxiliary positioning seats 53 are completely in contact with the metal part and can no longer be pushed and moved, the squeezing force on the fixing block 85 disappears, and the fixing block 85 is restored to its original position under the action of the restoring force of the fifth spring 84. The main locating seat 51 and the auxiliary locating seat 53 are inserted into the fixing groove 86 and engage with the fixing groove 86, so that the two sets of main locating seats 51 and the auxiliary locating seats 53 cannot retreat, thereby effectively fixing the metal parts. This effectively solves the problem that although the welding device in the prior art can weld metal parts well, it still cannot effectively weld metal parts of various shapes. When welding metal parts of different shapes, the metal parts will shake and shift during the welding process due to lack of effective fixation, which leads to poor welding effect and the problem that the two sets of metal parts to be welded cannot be completely connected.

[0022] Working principle: When welding larger metal parts, the two sets of main positioning seats 51 are directly pushed closer to each other, so that the main positioning seats 51 drive the auxiliary positioning seats 53 to move synchronously, so that the inclined surfaces of the fixing blocks 85 arranged at the bottom ends of the main positioning seats 51 and the auxiliary positioning seats 53 are squeezed by the welding table 4, and then the fixing blocks 85 are moved into the interior of the fixing cavity 88 under the action of the squeezing force and squeeze the fifth spring 84, so that the fifth spring 84 is elastically deformed under the action of the squeezing force, and the main positioning seats 51 and the auxiliary positioning seats 53 are integrally V-shaped. The design enables the metal part to move toward the center position of the main positioning seat 51 when it is pushed and moved by the main positioning seat 51 and the auxiliary positioning seat 53. When the two sets of main positioning seats 51 and the auxiliary positioning seats 53 are completely in contact with the metal part and can no longer be pushed and moved, the extrusion force on the fixing block 85 disappears. At this time, the fixing block 85 is restored to its original position under the action of the restoring force of the fifth spring 84, and is inserted into the interior of the fixing groove 86 and engaged with the fixing groove 86, so that the two sets of main positioning seats 51 and the auxiliary positioning seats 53 cannot retreat, thereby effectively fixing the metal part.

[0023] When the welding of the metal parts is completed and the fixation of the metal parts needs to be released, it is only necessary to push the pushing plate 87 to move the fixing block 85 toward the inside of the fixing cavity 88 to release the engagement with the fixing groove 86, and then push the main positioning seat 51 and the auxiliary positioning seat 53 to move to release the fixation of the metal parts and remove the welded metal parts.

[0024] When the main positioning seat 51 and the auxiliary positioning seat 53 are to be separated to fix smaller metal parts, the knob 81 and the anti-slip sleeve 82 are first pulled upward. Under the action of the pulling force, the knob 81 and the anti-slip sleeve 82 move upward and drive the fixed card plate 80 to move upward synchronously to release the state of being engaged with the limit card 83. At this time, rotating the knob 81 and the anti-slip sleeve 82 drives the connecting shaft 74 and the active gear 72 to rotate synchronously through the third slider 78 and the third slide groove 79, so that the two groups of passive gears 71 meshing with the active gear 72 rotate synchronously, and then the abutment block 66 meshing with the passive gear 71 moves toward the combination card block 60 and is inserted into the inside of the abutment groove 65, pushing the combination card block 60 to move toward the inside of the active cavity 61, so that the combination card block 60 is released from the state of being engaged with the combination groove 59. At this time, the limiting effect of the active positioning seat 58 is released, and the active positioning seat 58 and the active block 57 are restored to their original positions under the action of the pulling force of the first spring 56.

[0025] When the auxiliary positioning seat 53 and the movable positioning seat 58 are to be combined with the main positioning seat 51, the auxiliary positioning seat 53 and the movable positioning seat 58 are first pushed to move toward the main positioning seat 51, so that the movable positioning seat 58 is inserted into the interior of the main positioning seat 51. When the movable positioning seat 58 is inserted into the interior of the main positioning seat 51, the top of the movable positioning seat 58 squeezes the inclined surface opened at the bottom end of the combined card block 60. Under the action of the squeezing force, the combined card block 60 moves toward the interior of the active cavity 61 and squeezes the second spring 62, so that the second spring 62 is elastically deformed under the action of the squeezing force. When the movable positioning seat 58 is combined with the main positioning seat 51, the movable positioning seat 58 is inserted into the interior of the main positioning seat 51. When the inner wall of the seat 51 abuts and cannot be further inserted, the squeezing force of the movable positioning seat 58 on the combined card block 60 disappears. At this time, the combined card block 60 returns to its original position under the restoring force of the second spring 62, and is inserted into the interior of the combined groove 59 and engages with the combined groove 59, thereby continuing to fix the movable positioning seat 58, so that the movable positioning seat 58 and the auxiliary positioning seat 53 are combined with the main positioning seat 51. When the auxiliary positioning seat 53 is pushed and the movable positioning seat 58 is inserted into the interior of the main positioning seat 51, the movable block 57 slides in the interior of the movable groove 54 at the same time and squeezes the first spring 56 to cause the first spring 56 to produce elastic deformation.

[0026] When the auxiliary positioning seat 53 and the movable positioning seat 58 are fixing the metal parts, the reaction force of the metal parts will cause the movable positioning seat 58 to move, so that the movable positioning seat 58 drives the movable block 57 to move synchronously inside the movable groove 54, and pulls the first spring 56 to produce elastic deformation. In this way, it is possible to effectively avoid the situation where the auxiliary positioning seat 53 and the movable block 57 exert excessive pressure on the metal parts, causing deformation of the metal parts.

[0027] When the combined card block 60 moves, the first slider 63 fixedly connected to the combined card block 60 slides synchronously inside the first slide groove 64, and the combination of the first slider 63 and the first slide groove 64 limits the moving distance of the combined card block 60 and guides the movement of the combined card block 60, thereby preventing the combined card block 60 from moving excessively and escaping from the inside of the active cavity 61 under the action of the restoring force of the second spring 62, and making the combined card block 60 move more smoothly inside the active cavity 61.

[0028] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A welding device for metal parts processing, comprising a device body (1), characterized in that: The top of the device body (1) is fixedly connected to a lifting and moving arm (2), a welding head (3) is arranged on the left side of the lifting and moving arm (2), the top of the left side of the device body (1) is fixedly connected to a welding table (4), the top of the welding table (4) is provided with a workpiece fixing mechanism, two groups of the workpiece fixing mechanisms are provided, and the two groups of the workpiece fixing mechanisms are respectively arranged at the front and rear sides of the top of the welding table (4), the workpiece fixing mechanism comprises a main fixing module, a combination module, a release module and a positioning module, the combination module is arranged inside the main fixing module, the release module is arranged at the top of the combination module, and the positioning module is arranged at the bottom of the main fixing module.

2. A welding device for metal parts processing according to claim 1, characterized in that: The main fixing module comprises a main positioning seat (51), the main positioning seat (51) is arranged at the top of the welding table (4), the front and rear sides of the top of the welding table (4) are fixedly connected with baffles (52), the baffles (52) are fitted with one end of the main positioning seat (51), the bottom end of the main positioning seat (51) is slidably connected to the welding table (4), and the left and right sides of the main positioning seat (51) are both provided with auxiliary positioning seats (53), the auxiliary positioning seats (53) are close to the main positioning seat (51) A movable groove (54) is provided on one side of the movable groove (54), a guide rod (55) is fixedly connected to the inside of the movable groove (54), a first spring (56) is wound around the outside of the guide rod (55), and a movable block (57) is sleeved on the outside of the guide rod (55), the movable block (57) is fixedly connected to a movable positioning seat (58), the movable positioning seat (58) is sleeved inside the main positioning seat (51), and a combination module is provided between the main positioning seat (51) and the movable positioning seat (58).

3. A welding device for metal parts processing according to claim 2, characterized in that: One end of the first spring (56) close to the movable block (57) is fixedly connected to the movable block (57), and one end of the first spring (56) away from the movable block (57) is fixedly connected to the inner wall of the movable groove (54).

4. A welding device for metal parts processing according to claim 1, characterized in that: The combination module comprises a combination slot (59), the combination slot (59) being arranged at the top end of the movable positioning seat (58), the combination slot (59) being matched with a combination card block (60), the top end of the combination card block (60) being sleeved inside an active cavity (61), the active cavity (61) being arranged on the inner wall of the main positioning seat (51), a second spring (62) being arranged inside the active cavity (61), the bottom end of the second spring (62) being fixedly connected to the top end of the combination card block (60), and the top end of the second spring (62) being fixedly connected to the top end of the inner wall of the active cavity (61).

5. A welding device for metal parts processing according to claim 4, characterized in that: The bottom end of the combined card block (60) is provided with an inclined surface, and a first sliding block (63) is fixedly connected to one side of the combined card block (60), the first sliding block (63) is slidably connected to the inside of a first sliding groove (64), and the first sliding groove (64) is provided on one side of the inner wall of the active cavity (61).

6. A welding device for metal parts processing according to claim 1, characterized in that: The release assembly comprises an abutment groove (65), the abutment groove (65) being arranged on a side of the combined card block (60) away from the first slide block (63), and the abutment groove (65) is matched with an abutment block (66), the abutment block (66) is sleeved inside a movable cavity (67), the movable cavity (67) being arranged on a side of an inner wall of the movable cavity (61) away from the first slide groove (64), and the movable cavity (67) is communicated with the movable cavity (61), a second slide block (68) is fixedly connected to the inner wall of the movable cavity (67), and the movable cavity (67) is connected to the movable cavity (61). The second slider (68) is slidably connected inside the second slide groove (69), the second slide groove (69) is opened at the bottom end of the abutment block (66), a third spring (70) is arranged inside the second slide groove (69), one side of the third spring (70) is fixedly connected to the second slider (68), and the other side of the third spring (70) is fixedly connected to the inner wall of the second slide groove (69), a tooth groove is opened on one side of the top end of the abutment block (66), and the abutment block (66) is meshed with the driven gear (71), and the driven gear The wheel (71) is rotatably connected to the inner wall of the transmission cavity (73). The transmission cavity (73) is provided inside the main positioning seat (51), and the transmission cavity (73) is communicated with the moving cavity (67). The passive gear (71) is meshed with the active gear (72). The bottom end of the active gear (72) is also rotatably connected to the inner wall of the transmission cavity (73). The top end of the active gear (72) is fixedly connected to a connecting shaft (74). The top end of the connecting shaft (74) is provided with a connecting cavity (75). The connecting cavity (75) A connecting sleeve rod (76) is sleeved inside the main positioning seat (51), the top end of the connecting sleeve rod (76) is fixedly connected to the fixed clamping plate (80), the bottom end of the connecting sleeve rod (76) is provided with a fourth spring (77), the fixed clamping plate (80) is engaged with a limit clamp (83), the limit clamp (83) is fixedly connected to the top end of the main positioning seat (51), the top end of the fixed clamping plate (80) is fixedly connected to a knob (81), the outer side of the knob (81) is glued with an anti-slip sleeve (82), and the anti-slip sleeve (82) is made of rubber.

7. A welding device for metal parts processing according to claim 6, characterized in that: The top end of the fourth spring (77) is fixedly connected to the bottom end of the connecting sleeve rod (76), and the bottom end of the fourth spring (77) is fixedly connected to the bottom end of the inner wall of the connecting cavity (75). Both sides of the inner wall of the connecting cavity (75) are fixedly connected with a third slider (78). The third slider (78) is slidably connected inside a third slide groove (79). The third slide groove (79) is provided on both sides of the connecting sleeve rod (76).

8. A welding device for metal parts processing according to claim 1, characterized in that: The positioning assembly comprises a fixing cavity (88), wherein the fixing cavity (88) is provided at the bottom ends of the main positioning seat (51) and the auxiliary positioning seat (53), a fixing block (85) is sleeved inside the fixing cavity (88), the fixing block (85) cooperates with a fixing groove (86), the fixing groove (86) is provided at the top end of the welding table (4), a fifth spring (84) is further provided inside the fixing block (85), the bottom end of the fifth spring (84) is fixedly connected to the top end of the fixing block (85), and the top end of the fifth spring (84) is fixedly connected to the top end of the inner wall of the fixing cavity (88), and a push plate (87) is fixedly connected to one side of the fixing block (85), the push plate (87) is L-shaped, and the push plate (87) passes through the main positioning seat (51) and the auxiliary positioning seat (53) and extends to the outside of the main positioning seat (51) and the auxiliary positioning seat (53).

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