Stud welding device

Abstract

The utility model discloses a stud welding device which comprises a fixing module and a welding module. The fixing module comprises a positioning assembly, a plurality of position changing machines and a position changing track. The position changing machines comprise a first position changing machine and at least one second position changing machine; the displacement track is a long straight track; the first position changing machine is fixed at one end of the position changing track; the second position changing machine is mounted on the position changing track and can move along the position changing track; the positioning assembly is arranged on the side, away from the second positioner, of the first positioner. The first positioner and the second positioner are used for fixing a welding main body workpiece; the positioning assembly is used for positioning one end of the welding body workpiece. The welding module comprises a welding track and a welding robot; the welding track is arranged on one side of the displacement track in parallel; the welding robot is movably installed on the welding track and used for moving to different positions to weld studs for the welding body workpiece. According to the utility model, the welding efficiency and consistency are improved, and the production efficiency and the product quality are further improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of bridge structure welding, and specifically relates to a stud welding device. Background Art

[0002] At present, manual welding is mainly used for stud welding of bridge structural components. However, the specifications of bridge structural components are diverse, and some workpieces are dozens of meters long, requiring more than two hundred studs to be welded. Before welding, it is usually necessary to manually draw lines to position the studs. This welding method not only has a large amount of manual labor and low efficiency, but also has low stud positioning accuracy and poor product consistency. Summary of the Invention

[0003] The utility model provides a stud welding device, which realizes mechanization of stud positioning and welding, and improves production efficiency and product consistency.

[0004] To solve the above technical problems, the utility model adopts the following technical solutions to achieve:

[0005] A stud welding device includes a fixing module and a welding module;

[0006] The fixing module includes a positioning component, a plurality of positioners, and a positioner track; each of the positioners is a first positioner and at least one second positioner; the positioner track is a long straight track; the first positioner is fixed at one end of the positioner track; the second positioner is installed on the positioner track and can move along the positioner track; the positioning component is arranged on the side of the first positioner away from the second positioner; the first positioner and the second positioner are used to fix the welding main body workpiece; the positioning component is used to position one end of the welding main body workpiece.

[0007] The welding module includes a welding track and a welding robot; the welding track is located on one side of the positioner track and is arranged parallel to the positioner track; the welding robot is installed on the welding track and can move along the welding track to move to different positions to weld studs for the welding main body workpiece.

[0008] In some specific embodiments, the positioning component includes a chassis, a feeding mechanism, and a positioning seat;

[0009] The chassis is fixedly arranged relative to the first positioner; the feeding mechanism includes a feeding screw, a handle, and a nut; the feeding screw is arranged along the length direction of the positioner track, and it is rotatably installed on the chassis in a single-axis manner; the handle is fixedly connected to one end of the feeding screw; the nut is threadedly connected to the feeding screw.

[0010] The positioning seat is fixedly connected to the nut and is slidably connected to the chassis in the length direction of the displacement track.

[0011] In some specific embodiments, the positioning seat includes a positioning plate which is vertically arranged and perpendicular to the displacement track, and one side faces the first positioner.

[0012] The positioning seat further includes a reinforcing rib plate and a bottom plate; the bottom plate is horizontally arranged and fixedly connected to the positioning plate; the reinforcing rib plate is vertically arranged on the other side of the positioning plate, perpendicular to the positioning plate, and fixedly connected to the positioning plate and the bottom plate.

[0013] In some specific embodiments, the positioner includes a base which is fixedly arranged or connected to the displacement track.

[0014] The positioner further includes an adjusting moving member which is annular and connected to the base.

[0015] The positioner further includes a plurality of positioning columns and a plurality of fixing columns; each of the positioning columns is vertically arranged at the inner bottom of the inner ring of the adjusting moving member and horizontally arranged on the left or right side of the inner side of the inner ring of the adjusting moving member; each of the fixing columns is vertically arranged at the top of the inner ring of the adjusting moving member and horizontally arranged on the right or left side of the inner side of the inner ring of the adjusting moving member.

[0016] Each of the positioning columns is a columnar structure, one end of which is fixedly connected to the adjusting moving member and the other end is used for connecting the welded main body workpiece; each of the fixing columns is a column with an external thread, one end of which is threadedly connected to the adjusting moving member and the other end is used for connecting the welded main body workpiece.

[0017] In some specific embodiments, the adjusting moving member is composed of a first part and a second part, which are respectively partial rings of the adjusting moving member; one end of the first part and the second part is rotatably connected by a single axis, and the other end is detachably and fixedly connected.

[0018] In some specific embodiments, the positioner further includes an electric hydraulic cylinder and a rocker.

[0019] One end of the rocker is rotatably connected to the base by a single axis, and the other end is slidably connected to the first part along its ring; the second part is connected to the base.

[0020] One end of the electric hydraulic cylinder is rotatably connected to the base by a single axis, and the other end is rotatably connected to the middle part of the rocker by a single axis.

[0021] In some specific embodiments, the positioner further includes an adjusting fixing member.

[0022] The adjusting moving part is slidably rotatable with respect to the base, and a plurality of teeth are formed on the outer side of the outer ring circumference;

[0023] The adjusting fixing part includes a rotation driving part and a gear; the rotation driving part is fixedly connected to the base; the gear is connected to the rotation driving part and is driven to rotate by the rotation driving part; the adjusting moving part is meshed and connected with the gear.

[0024] In some specific embodiments, the second positioner is driven by a servo motor to move along the positioning track.

[0025] In some specific embodiments, the welding module further includes a pallet positioning seat, which is fixedly connected to the welding robot and can move along the welding track with the welding robot;

[0026] The pallet positioning seat is used for placing a stud pallet; the stud pallet is used for positioning and placing a plurality of the studs.

[0027] In some specific embodiments, the welding robot is driven by a servo motor to move along the welding track.

[0028] Compared with the prior art, the advantages and positive effects of the present utility model are as follows: The stud welding device of the present utility model accurately positions and fixes the welding main body workpiece through the fixing module, realizing the mechanization and standardization of the positioning and fixing of the welding main body workpiece; the welding position and welding operation are made non-discriminatory through the welding track and the welding robot installed on the welding track, improving the operation efficiency and consistency of welding a plurality of studs on the welding main body workpiece, thereby improving the production efficiency and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0030] Figure 1 is a schematic structural diagram of a stud welding device according to an embodiment;

[0031] Figure 2 is a schematic top view structural diagram of a stud welding device according to an embodiment;

[0032] Figure 3 is a schematic structural diagram when the positioner and the positioning track fix the welding main body workpiece according to an embodiment;

[0033] Figure 4It is a schematic structural diagram when a tilter and a tilting track hoist and weld a main workpiece according to an embodiment;

[0034] Figure 5 It is a schematic structural diagram of a positioning component according to an embodiment;

[0035] Figure 6 It is Figure 3 The partial enlarged structural diagram at position A in

[0036] Figure 7 It is Figure 4 The partial enlarged structural diagram at position B in

[0037] In the figure,

[0038] 1. Welding module; 2. Fixing module; 3. Welding main workpiece; 11. Welding robot; 111. Automatic stud welding gun; 12. Welding track; 13. Tray positioning seat; 14. Stud tray; 21. Positioning component; 22. Tilter; 23. Tilting track; 211. Underframe; 212. Feed screw; 213. Handle; 214. Positioning plate; 215. Base plate; 216. Reinforcing rib plate; 221. First tilter; 222. Second tilter; 223. Base; 224. Adjusting and moving part; 225. Positioning column; 226. Fixing column; 227. Electric hydraulic cylinder; 228. Rocker; 229. First part; 220. Second part. Detailed implementation manners

[0039] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions from beginning to end. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present invention, and should not be construed as a limitation to the present invention.

[0040] Referring to Figure 1 , Figure 2 , Figure 3 , the stud welding device of the present invention includes a fixing module 2 and a welding module 1.

[0041] The fixing module 2 is used to accurately position and fix the welding main workpiece 3; the welding main workpiece 3 is a long straight structural member.

[0042] The fixing module 2 includes a positioning component 21, a plurality of positioners 22, and a positioning track 23; each positioner 22 is respectively a first positioner 221 and at least one second positioner 222; the positioning track 23 is a long straight track; the first positioner 221 is fixedly arranged at one end of the positioning track 23, and it can be located on the positioning track 23 or on the extension line of one end of the positioning track 23; that is, it is not arranged on the positioning track 23. The second positioner 222 is installed on the positioning track 23 and can move along the positioning track 23; by moving the second positioner 222, the distance between the first positioner 221 and the second positioner 222 is adjusted to adapt to welding main body workpieces 3 with different lengths.

[0043] The positioning component 21 is located on the side of the first positioner 221 away from the second positioner 222 and is used to position one end of the welding main body workpiece 3. That is, when the welding main body workpiece 3 is fixed, one end is placed on the first positioner 221 and the end is connected to the positioning component 21, so as to realize the positioning of one end of the welding main body workpiece 3 in the length direction of the positioning track 23. In addition, both ends of the welding main body workpiece 3 in the length direction are respectively placed on the first positioner 221 and the second positioner 222 for fixation, so as to realize both the positioning and the fixation of the welding main body workpiece 3.

[0044] The welding module 1 includes a welding track 12 and a welding robot 11; the welding track 12 is located on one side of the positioning track 23 and is arranged in parallel with the positioning track 23; the welding robot 11 is installed on the welding track 12 and can move along the welding track 12, and is used to move to different positions of the welding main body workpiece 3 to perform stud welding operations.

[0045] The stud welding device of the present utility model accurately positions and fixes the welding main body workpiece 3 through the fixing module 2, realizing the mechanization and standardization of the positioning and fixation of the welding main body workpiece 3; through the welding track 12 and the welding robot 11 installed on the welding track 12, the welding positions and welding operations are made non-differentiated, improving the operation efficiency and consistency of welding multiple studs on the welding main body workpiece 3, and further improving the production efficiency and product quality.

[0046] The specific structure and principle of the stud welding device of the present utility model will be described in detail below through specific embodiments.

[0047] In some specific embodiments, referring to Figure 1 、 Figure 2 、 Figure 5 ,the positioning component 21 includes a chassis 211, a feeding mechanism, and a positioning seat.

[0048] The chassis 211 is fixedly arranged relative to the first positioner 221; the feeding mechanism includes a feeding screw 212, a handle 213, and a nut; the feeding screw 212 is arranged along the length direction of the positioning track 23 or in a direction parallel to the length direction of the positioning track 23, is installed on the chassis 211, and can rotate uniaxially relative to the chassis 211.

[0049] The handle 213 is fixedly connected to one end of the feeding screw 212, and the feeding screw 212 can be rotated around its axis by shaking the handle 213; of course, the feeding screw 212 can also be rotated forward or backward by electric rotation drive.

[0050] The nut is threadedly connected to the feeding screw 212. Specifically, both ends of the feeding screw 212 are rotatably connected to the chassis 211 uniaxially; the nut is located in the middle of both ends of the feeding screw 212, is threadedly connected to the feeding screw 212, and moves forward or backward along the length direction of the feeding screw 212 as the feeding screw 212 rotates.

[0051] The positioning seat is fixedly connected to the nut and is slidably connected to the chassis 211 relative to each other in the length direction of the positioning track 23, so that the nut translates without rotating when the feeding screw 212 rotates.

[0052] When the stud welding device of this embodiment fixes the welded main workpiece 3, the positioning seat is adjusted to the positioning position; the welded main workpiece 3 is placed on the first positioner 221 and the second positioner 222 and is positioned by the positioning seat; after the first positioner 221 and the second positioner 222 fix the welded main workpiece 3, the positioning seat moves away from the welded main workpiece 3 to prevent affecting the welding operation.

[0053] In some specific embodiments, referring to Figure 1 、 Figure 2 、 Figure 5 , the positioning seat includes a positioning plate 214, which is vertically arranged and perpendicular to the positioning track 23, so that one of its sides faces the first positioner 221, facilitating one end of the welded main workpiece 3 to be connected to the side of the positioning plate 214 during positioning, improving the positioning accuracy and positioning efficiency.

[0054] The positioning seat further includes a bottom plate 215 and a reinforcing rib plate 216; the bottom plate 215 is horizontally arranged and fixedly connected to the positioning plate 214; the reinforcing rib plate 216 is vertically arranged, is located on the other side of the positioning plate 214, is perpendicular to the positioning plate 214, and is fixedly connected to the positioning plate 214 and the bottom plate 215, improving the connection strength between the positioning plate 214 and the bottom plate 215, enhancing its stability, and thus extending its service life.

[0055] In addition, the positioning component 21 further includes a slider and a slide rail; the slider is arranged below the bottom plate 215 and fixedly connected to the bottom plate 215; the slide rail is located above the chassis 211 and fixedly connected to the chassis 211; the slider is slidably connected to the slide rail to realize the sliding connection between the positioning seat and the chassis 211.

[0056] In some specific embodiments, referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 , Figure 7 , the positioner 22 includes a base 223, which is fixedly arranged or connected to the position-changing track 23; specifically, the base 223 of the first positioner 221 is fixedly arranged; the base 223 of the second positioner 222 is connected to the position-changing track 23 and can move along the position-changing track 23.

[0057] The positioner 22 further includes an adjusting and moving member 224, which is annular and connected to the base 223.

[0058] The positioner 22 further includes a plurality of positioning columns 225 and a plurality of fixing columns 226; each positioning column 225 is respectively arranged vertically at the bottom inside the inner ring of the adjusting and moving member 224 and horizontally on the left or right side inside the inner ring of the adjusting and moving member 224.

[0059] That is, the positioning column 225 is a column body, and at least one vertically arranged positioning column 225 is fixedly arranged at the bottom inside the ring of the adjusting and moving member 224; that is, one end of at least one positioning column 225 is fixedly connected to the bottom inside the ring of the adjusting and moving member 224, and the other end is vertically upward for supporting the welding main body workpiece 3, and since the positioning column 225 cannot be adjusted, it is used to position the vertical position of the welding main body workpiece 3.

[0060] At least one horizontally arranged positioning column 225 is fixedly arranged on the left or right side inside the ring of the adjusting and moving member 224; that is, one end of at least one positioning column 225 is fixedly connected to the left or right side inside the ring of the adjusting and moving member 224, and the other end is horizontally to the right or left, and is connected to the welding main body workpiece 3 when it is placed, and is used to position the longitudinal position of the welding main body workpiece 3.

[0061] The fixing column 226 is a columnar structure, and an external thread is formed on its outer side, and is respectively arranged vertically at the top inside the ring of the adjusting and moving member 224 and horizontally on the right or left side inside the ring of the adjusting and moving member 224. That is, one end of at least one fixing column 226 is threadedly connected to the top inside the ring of the adjusting and moving member 224, and the other end extends vertically downward, and is used to be connected to the upper side of the welding main body workpiece 3, and the lower end of the welding main body workpiece 3 is pressed by rotating the fixing column 226 to fix it in the vertical direction.

[0062] The fixed column 226, which is arranged on the right or left side inside the adjusting moving part 224 ring, is threadedly connected to the adjusting moving part 224 at one end and extends horizontally to the left or right at the other end for connecting to the left or right side of the welded main workpiece 3, and the welded main workpiece 3 is tightly connected in the longitudinal direction by rotating the fixed column 226, so as to fix the welded main workpiece 3 in the longitudinal direction.

[0063] In some specific embodiments, referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 , Figure 7 , the adjusting moving part 224 is composed of a first part 229 and a second part 220, which are respectively partial circular rings of the adjusting moving part 224; one ends of the first part 229 and the second part 220 are rotatably connected in a single axis, and the other ends are detachably and fixedly connected.

[0064] When the stud welding device of this embodiment hoists and places the welded main workpiece 3 on the fixed module 2, the detachable and fixed connection between the first part 229 and the second part 220 is released, so that the first part 229 opens relative to the second part 220, facilitating the placement of the welded main workpiece 3 into the adjusting moving part 224, improving the fixing efficiency, and further improving the welding efficiency.

[0065] In some specific embodiments, referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 , Figure 7 , the positioner 22 further includes an electric hydraulic cylinder 227 and a rocker 228.

[0066] One end of the rocker 228 is rotatably connected to the base 223 in a single axis, and the other end is slidably connected to the first part 229 along its ring; the second part 220 is connected to the base 223.

[0067] One end of the electric hydraulic cylinder 227 is rotatably connected to the base 223 in a single axis, and the other end is rotatably connected to the middle of the rocker 228 in a single axis.

[0068] The stud welding device of this embodiment realizes the mechanization and automation of the opening of the first part 229 relative to the second part 220 through the electric hydraulic cylinder 227 and the rocker 228 mechanism, improves the fixing efficiency, and further improves the welding efficiency.

[0069] In some specific embodiments, referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 , Figure 7, the turntable 22 further includes an adjusting and fixing member (not shown in the drawings), which includes a rotary driving member and a gear.

[0070] The adjusting and moving member 224 is slidably and rotatably connected to the base 223, and a plurality of teeth are formed on the outer side of the outer circumferential ring thereof; that is, the adjusting and moving member 224 has an external gear ring structure; the rotary driving member is fixedly connected to the base 223; the gear is connected to the rotary driving member and is driven to rotate by the rotary driving member; the adjusting and moving member 224 is meshed and connected with the gear.

[0071] In the stud welding device of this embodiment, the rotary driving member, the gear and the external gear ring of the adjusting and moving member 224 are meshed and connected, so that the adjusting and moving member 224 can rotate around its axis relative to the base 223, which is used to adjust the working angle of the welded main workpiece 3 and improve the welding quality and efficiency.

[0072] In some specific embodiments, referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 , Figure 7 , the movement of the second turntable 222 along the turntable track 23 is driven by a servo motor.

[0073] In some specific embodiments, referring to Figure 1 , Figure 2 , the welding module 1 further includes a tray positioning seat 13, which is fixedly connected to the welding robot 11 and can move along the welding track 12 with the welding robot 11.

[0074] The tray positioning seat 13 is used to place the stud tray 14; the stud tray 14 is used to position and place a plurality of studs.

[0075] During the welding operation of the stud welding device of this embodiment, the welding robot 11 takes the studs from the stud tray 14, reducing the degree of human participation and improving the efficiency and accuracy; when the studs in the stud tray 14 are used up, the stud tray 14 can be replaced as a whole, improving the feeding efficiency and thus improving the welding operation efficiency.

[0076] In some specific embodiments, referring to Figure 1 , Figure 2 , the stud tray 14 positions and places the combination of the stud and the magnetic ring, reducing the combination process of the stud and the magnetic ring during welding and improving the welding efficiency and welding precision.

[0077] In some specific embodiments, referring to Figure 1 , Figure 2, the welding robot 11 further includes an automatic stud welding gun 111, which includes a grasping device. The grasping device is used to pick up the combination of the stud and the magnetic ring, move it to the welding position and cooperate for welding, avoiding manual operation and placing and welding the stud separately at different times, reducing the labor intensity of workers and improving the welding accuracy.

[0078] In some specific embodiments, referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 , Figure 7 , the movement of the welding robot 11 along the welding track 12 is driven by a servo motor.

[0079] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0080] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0081] In the present invention, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0082] In the present utility model, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature may mean that the first feature is directly below or obliquely below the second feature, or merely indicates that the horizontal height of the first feature is less than that of the second feature.

[0083] In the description of this specification, the description with reference to terms such as "an embodiment", "some embodiments", "examples", "specific examples", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0084] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present utility model.

Claims

1. A stud welding device, characterized in that: include: A fixed module, which includes a positioning assembly, a plurality of positioners, and a positioner track; Each of the positioners is a first positioner and at least one second positioner; The position changing track is a long straight track; the first positioner is fixed at one end of the position changing track; the second positioner is installed on the position changing track and can move along the position changing track; the positioning assembly is arranged on the side of the first positioner away from the second positioner; the first positioner and the second positioner are used to fix the welding main workpiece; the positioning assembly is used to position one end of the welding main workpiece; The welding module comprises a welding track and a welding robot; the welding track is located on one side of the displacement track and is arranged parallel to the displacement track; the welding robot is installed on the welding track and can move along the welding track to move to different positions to weld studs for the welding main workpiece.

2. The stud welding device according to claim 1, characterized in that: The positioning assembly includes a base frame, a feeding mechanism, and a positioning seat; The base frame is fixedly arranged relative to the first positioner; the feeding mechanism comprises a feeding screw, a handle and a nut; the feeding screw is arranged along the length direction of the position changing track and can be rotatably mounted on the base frame; the handle is fixedly connected to one end of the feeding screw; the nut is threadedly connected to the feeding screw; The positioning seat is fixedly connected to the nut, and is relatively slidably connected to the base frame in the length direction of the displacement track.

3. The stud welding device according to claim 2, characterized in that: The positioning seat includes a positioning plate, which is vertically arranged and perpendicular to the position changing track, and one side faces the first position changing machine; The positioning seat also includes a reinforcing rib plate and a bottom plate; the bottom plate is horizontally arranged and fixedly connected to the positioning plate; the reinforcing rib plate is vertically arranged, located on the other side of the positioning plate, perpendicular to the positioning plate, and fixedly connected to the positioning plate and the bottom plate.

4. The stud welding device according to claim 1, characterized in that: The positioner includes a base, which is fixedly arranged or connected to the positioner track; The positioner also includes an adjusting movable member, which is annular and connected to the base; The positioner further comprises a plurality of positioning posts and a plurality of fixing posts; each of the positioning posts is respectively arranged vertically at the inner bottom of the inner ring of the adjusting movable member, and horizontally at the left or right side of the inner ring of the adjusting movable member; each of the fixing posts is respectively arranged vertically at the top of the inner ring of the adjusting movable member, and horizontally at the right or left side of the inner ring of the adjusting movable member; Each of the positioning columns is a column structure, one end of which is fixedly connected to the adjusting movable part, and the other end is used to connect the welding main workpiece; each of the fixed columns is a column, formed with an external thread, one end of which is threadedly connected to the adjusting movable part, and the other end is used to connect the welding main workpiece.

5. The stud welding device according to claim 4, characterized in that: The adjusting movable member is composed of a first part and a second part, which are partial circular rings of the adjusting movable member respectively; one end of the first part and the second part can be connected in a single-axis rotation, and the other end can be detachably fixedly connected.

6. The stud welding device according to claim 5, characterized in that: The positioner also includes an electric hydraulic cylinder and a rocker; One end of the rocker is connected to the base for single-axis rotation, and the other end is connected to the first part in a circular sliding manner; the second part is connected to the base; One end of the electric hydraulic cylinder is connected to the base for single-axis rotation, and the other end is connected to the middle part of the rocker for single-axis rotation.

7. The stud welding device according to claim 6, characterized in that: The positioner also includes an adjustment fixture; The adjusting movable member and the base can slide and rotate, and a plurality of teeth are formed on the outer side of the outer ring circumference; The adjusting fixed member comprises a rotating driving member and a gear; the rotating driving member is fixedly connected to the base; the gear is connected to the rotating driving member and driven to rotate by the rotating driving member; the adjusting movable member is meshedly connected to the gear.

8. The stud welding device according to claim 1, characterized in that: The second positioner is driven by a servo motor to move along the positioner track.

9. The stud welding device according to any one of claims 1 to 8, characterized in that: The welding module also includes a pallet positioning seat, which is fixedly connected to the welding robot and can move along the welding track with the welding robot; The pallet positioning seat is used for placing a stud pallet; the stud pallet is used for positioning and placing a plurality of the studs.

10. The stud welding device according to claim 9, characterized in that: The welding robot is driven by a servo motor to move along the welding track.

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