Welding workbench for continuous machining

Abstract

The utility model relates to a welding table for continuous machining, which comprises a weighting base capable of providing a supporting plane, and a machining disc is rotatably supported on the weighting base through a rotary supporting column. The weighting base is further provided with a deflection driving assembly which can be in transmission connection with the machining disc to drive the machining disc to deflect, and a plurality of clamping assemblies capable of limiting workpieces are annularly distributed on the top face of the machining disc at intervals. The clamping assembly is inserted into the machining disc in a lifting mode. A negative pressure cleaning assembly and a welding assembly are supported on the side edge of the machining disc through a table column. The surface of a workpiece and a welding seam area can be cleaned through negative pressure airflow, so that the welding efficiency is improved, welding pollution is reduced, and meanwhile the continuous machining efficiency is improved through a continuous feeding structure in a rotating disc shape.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to a welding workbench for continuous processing. Background Art

[0002] At present, the commonly used welding equipment uses the high-temperature arc generated by the instantaneous short circuit of the positive and negative poles to melt the solder on the welding electrode and the material to be welded, so as to achieve the purpose of combining the contacted objects. Among them, spot welding equipment is widely used in the manufacturing industry, especially in the automotive manufacturing for welding automotive parts. It has the advantages of fast welding speed, high automation degree, and high strength of welding joints. On the production line, spot welding equipment is usually integrated into the automated system to improve production efficiency and consistency.

[0003] However, the existing spot welding equipment cannot clean the sundries, dust, etc. on the surface of the workpiece. It is very easy to cause welding notches due to the influence of sundries and dust when the welding machine performs welding treatment on the weld, reducing the welding quality. In addition, the existing welding machine cannot handle the harmful poisonous gases, flying sparks, and debris generated during the welding process, which is very easy to pollute the processing environment and damage the health of the operators. Moreover, the existing welding machine equipment can usually only perform welding treatment on a single workpiece limited by the clamping component, and it takes a long time to disassemble, install, and replace the workpiece, greatly reducing the comprehensive efficiency of batch continuous welding treatment and unable to meet the growing welding processing requirements. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a welding workbench that can clean the surface of the workpiece and the weld area through negative pressure air flow to improve the welding efficiency and reduce welding pollution, and at the same time improve the efficiency of continuous processing by setting a continuous feeding structure in the form of a turntable, so as to solve the problem that the existing welding machine cannot pre-clean the weld formed by the workpiece, resulting in welding notches easily caused by sundries and dust, affecting the welding quality, and the existing welding cannot handle the harmful poisonous gases, flying sparks, and debris generated during the welding process. In addition, the existing welding machine is restricted by the workpiece clamping and positioning structure and cannot continuously and efficiently perform batch welding processing, and requires a long intermittent time for disassembling, installing, and replacing the workpiece, reducing the comprehensive efficiency.

[0005] The technical solution adopted by the present utility model is as follows: A welding workbench for continuous processing, including a weighted base capable of providing a support plane, on which a processing disk is rotatably supported by a rotating pillar, and a deflection driving assembly capable of being in transmission connection with the processing disk to drive the processing disk to deflect is further arranged on the weighted base. A plurality of clamping assemblies capable of limiting the workpiece are circumferentially and spacedly arranged on the top surface of the processing disk, and the clamping assemblies are inserted on the processing disk in a liftable manner; a negative pressure cleaning assembly and a welding assembly are supported by a table column on the side of the processing disk.

[0006] According to a preferred embodiment, the processing disk includes a main disk body, a first ring plate, a second ring plate, an installation groove body and a guide air pipe. Among them, the first ring plate and the second ring plate are stacked on the top surface of the main disk body; the installation groove body penetrating the first ring plate and the second ring plate is inserted on the main disk body; a guide air pipe penetrating the plate body of the first ring plate and the side wall of the installation groove body is further inserted on the outer side surface of the first ring plate.

[0007] According to a preferred embodiment, a toothed disk coaxial with the main disk body is arranged on the bottom surface of the main disk body, and the toothed disk can be in transmission engagement with the deflection driving assembly; a magnetic attraction plate is arranged at one end of the guide air pipe far away from the installation groove body.

[0008] According to a preferred embodiment, right-angle connecting strip plates are symmetrically arranged on the object placing table of the clamping assembly, and a limiting member capable of positioning the workpiece on the object placing table is inserted on the plate body of the right-angle connecting strip plate parallel to the object placing table; a hydraulic lifting rod capable of supporting the object placing table in a manner of adjustable suspension height in the cavity of the installation groove body is connected to the bottom of the object placing table.

[0009] According to a preferred embodiment, the limiting member includes a limiting strip plate, a threaded positioning rod, a guiding sliding rod, a supporting spring and a limiting pressing block. Among them, a threaded positioning rod and a guiding sliding rod are arranged on the top surface of the limiting strip plate, the threaded positioning rod is rotatably connected to the limiting strip plate, and the threaded positioning rod and the guiding sliding rod are inserted on the right-angle connecting strip plate in a parallel manner; the lower surface of the limiting strip plate is connected to the limiting pressing block through the supporting springs arranged in an array.

[0010] According to a preferred embodiment, the negative pressure pumping unit of the negative pressure cleaning assembly is installed on the side surface of the table column facing the processing disk, and an air inlet pipe capable of partially placing in the annular gap between the main disk body and the second ring plate and being adjustable in conduction with the guide air pipe is inserted at the air inlet end of the negative pressure pumping unit close to the processing disk; an elastic sleeve is sleeved at one end of the air inlet pipe close to the guide air pipe.

[0011] According to a preferred embodiment, a dust collection bin placed on the weighted base is further connected below the negative pressure air extraction unit.

[0012] According to a preferred embodiment, the welding assembly includes a lifting and adjusting rod supported on the column, a top plate installed at the axial upper end of the lifting and adjusting rod, a transverse movement guide rail provided on the lower surface of the plate body of the top plate, and a welding head installed at the mobile end of the transverse movement guide rail.

[0013] According to a preferred embodiment, a balance counterweight is further provided at one end of the top plate away from the transverse movement guide rail.

[0014] According to a preferred embodiment, the deflection motor of the deflection drive assembly is installed on the weighted base, and the output shaft of the deflection motor is connected with a transmission gear capable of meshing with the toothed disc.

[0015] The beneficial effects of the present utility model are as follows:

[0016] The processing disk provided in the present application can drive the circumferentially spaced clamping assemblies and the workpieces clamped thereby to perform intermittent deflection under the drive of the deflection drive assembly, so as to continuously move the workpieces to the welding station, and while using the negative pressure cleaning assembly to perform suction cleaning and continuous transfer of sundries, perform weld seam welding through the welding assembly capable of translating radially along the processing disk, effectively improving the welding efficiency, realizing the synchronous progress of welding processing and workpiece disassembly and assembly, avoiding the drawback of the existing welding machine only having a single station and requiring frequent shutdowns for workpiece disassembly and replacement, which prolongs the welding cycle. By performing workpiece loading, positioning welding, and workpiece removal processing on the clamping assemblies at different stations in the same period, the synchronous progress of the processes is realized, the welding cycle is shortened, batch continuous welding processing is realized, and the comprehensive welding efficiency is increased. The clamping assemblies provided in the present application can position multiple different stations, so as to facilitate the independent welding, loading, and disassembly of different workpieces in the same period, so that the welding assembly can continuously perform welding processing without setting a long shutdown interval time, realizing batch continuous welding treatment of workpieces and improving the comprehensive welding efficiency. The negative pressure cleaning assembly provided in the present application can draw air flow through the surface of the workpiece limited by the clamping assembly, thereby effectively removing sundries, dust and other foreign matters existing on the surface of the workpiece and in the weld seam area, ensuring the cleanliness of the weld seam, enabling the welding assembly to perform high-quality welding processing on the weld seam, avoiding the generation of defects such as welding gaps, and greatly improving the comprehensive welding quality and processing yield. In addition, the negative pressure cleaning assembly can also draw harmful poisonous gases and debris generated during the processing by generating negative pressure air flow in the welding space during the welding process, so as to avoid environmental pollution and harm to the operator's body by the harmful poisonous gases, and at the same time transfer the generated debris to maintain the cleanliness during the processing, preventing the splashed debris from falling on the weld seam area to be processed and affecting the welding effect. Brief Description of the Drawings

[0017] Figure 1 Fig. 1 is a schematic structural view of a preferred continuously processed welding workbench proposed by the present utility model;

[0018] Figure 2 Fig. 2 is a partial enlarged schematic structural view of part A of a preferred continuously processed welding workbench proposed by the present utility model;

[0019] Figure 3 Fig. 3 is a plan view of the main disk body of a preferred continuously processed welding workbench proposed by the present utility model;

[0020] Figure 4 Fig. 4 is a side schematic structural view of the clamping assembly of a preferred continuously processed welding workbench proposed by the present utility model.

[0021] List of Reference Numerals

[0022] 1: weighted base; 2: rotating pillar; 3: processing disk; 4: deflection drive assembly; 5: clamping assembly; 6: table pillar; 7: negative pressure cleaning assembly; 8: welding assembly; 31: main disk body; 32: first ring plate; 33: second ring plate; 34: installation groove body; 35: air duct; 41: deflection motor; 42: transmission gear; 51: placing table; 52: right-angle connecting strip; 53: limiting member; 54: hydraulic lifting rod; 71: negative pressure air extraction unit; 72: intake pipe; 73: elastic sleeve; 74: dust collection bin; 81: lifting adjustment rod; 82: top plate; 83: transverse guide rail; 84: welding head; 85: balance counterweight; 311: toothed disk; 351: magnetic attraction plate; 531: limiting strip; 532: threaded positioning rod; 533: guiding slide rod; 534: support spring; 535: limiting pressure block. Detailed Description of the Preferred Embodiments

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or in the prior art, the following will briefly introduce the present utility model in combination with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structures of the drawings is only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts.

[0024] The following will refer to the drawings and describe in detail the technical solutions provided by the present utility model through embodiments. It should be noted here that the description of these embodiments is used to help understand the present utility model, but does not constitute a limitation to the present utility model. In some cases, since some embodiments belong to the prior art or conventional techniques, they are not described or are not described in detail.

[0025] In addition, the technical features described herein, or the steps in all the methods or processes disclosed, except for mutually exclusive features and / or steps, can also be combined in any suitable manner in one or more embodiments. For those skilled in the art, it is easy to understand that the steps or the order of operations of the methods related to the embodiments provided herein can also be changed. Any order in the drawings and embodiments is only for illustrative purposes and does not imply a requirement for a certain order, unless it is clearly stated that a certain order is required.

[0026] The serial numbers assigned to the components herein, such as "first", "second", etc., are only used to distinguish the objects described and do not have any sequential or technical meaning. And the "connection" and "coupling" mentioned in this application, under reasonable circumstances (without self - contradiction), both include direct and indirect connection (coupling).

[0027] The following is a detailed description with reference to the drawings.

[0028] Embodiment 1

[0029] This application provides a welding workbench for continuous processing, which includes a weighted base 1, a rotating pillar 2, a processing disk 3, a deflection driving assembly 4, a clamping assembly 5, a table pillar 6, a negative pressure cleaning assembly 7, and a welding assembly 8.

[0030] According to Figures 1-4A specific embodiment is shown in which the weighted base 1 can provide a support plane. A processing disk 3 is rotatably supported on the weighted base 1 by a rotating support column 2. A deflection drive assembly 4 capable of being in transmission connection with the processing disk 3 to drive the processing disk 3 to deflect is further provided on the weighted base 1. A plurality of clamping assemblies 5 capable of limiting the workpiece are circumferentially and spacedly arranged on the top surface of the processing disk 3. The clamping assemblies 5 are inserted on the processing disk 3 in a liftable manner. The side of the processing disk 3 supports a negative pressure cleaning assembly 7 and a welding assembly 8 through a pedestal 6. The processing disk 3 can drive the clamping assemblies 5 to deflect, so that the workpieces clamped by the plurality of circumferentially and spacedly arranged clamping assemblies 5 can sequentially pass through the welding stations defined by the negative pressure cleaning assembly 7 and the welding assembly 8, so as to continuously transfer the impurities and dust in the weld area by the negative pressure cleaning assembly 7 while completing the welding process of the weld by the radial translation of the welding assembly 8. The processing disk 3 provided in the present application can drive the circumferentially and spacedly arranged clamping assemblies 5 and the workpieces clamped by them to deflect intermittently under the drive of the deflection drive assembly 4, so as to continuously move the workpieces to the welding stations, so as to perform suction cleaning and continuous transfer of sundries by the negative pressure cleaning assembly 7 while performing weld welding by the welding assembly 8 capable of translating radially along the processing disk 3, effectively improving the welding efficiency, realizing the synchronous progress of welding processing and workpiece disassembly and assembly, avoiding the drawback of the existing welding machine only having a single station and requiring frequent shutdowns for workpiece disassembly and replacement, which prolongs the welding cycle, and performing workpiece loading, positioning welding and workpiece removal processing on the clamping assemblies 5 at different stations in the same period to realize the synchronous progress of processes, shortening the welding cycle, realizing batch continuous welding processing, and increasing the comprehensive welding efficiency. The clamping assemblies 5 provided in the present application can position multiple different stations, so as to facilitate independent welding, loading and disassembly of different workpieces in the same period, so that the welding assembly 8 can continuously perform welding processing without setting a long shutdown interval time, realizing batch continuous welding treatment of workpieces and improving the comprehensive welding efficiency. The negative pressure cleaning assembly 7 provided in the present application can draw air flow through the surface of the workpiece limited by the clamping assemblies 5, so as to effectively remove foreign matters such as sundries and dust existing on the surface of the workpiece and in the weld area, so as to ensure the cleanliness of the weld, so that the welding assembly 8 can perform high-quality welding processing on the weld, avoiding the generation of defects such as welding gaps, and greatly improving the comprehensive welding quality and processing yield. In addition, the negative pressure cleaning assembly 7 can also draw harmful poisonous gases and debris generated during the processing process by generating negative pressure air flow in the welding space during the welding process, so as to avoid environmental pollution and harm to the operator's body by the harmful poisonous gases, and at the same time transfer the generated debris to maintain the cleanliness during the processing process, preventing the splashed debris from falling on the weld area to be processed and affecting the welding effect.The welding assembly 8 provided in this application can complete the welding of the weld seam during translation. In particular, the translation of the welding assembly 8 can be coordinated with the deflection of the processing disk 3, so as to achieve precise welding processing of the weld seam with a curved path through double displacement, improving the applicable range of welding to precisely weld workpieces with increasingly complex contours.

[0031] Preferably, the processing disk 3 includes a main disk body 31, a first ring plate 32, a second ring plate 33, a mounting groove body 34, and an air guide pipe 35. Preferably, the first ring plate 32 and the second ring plate 33 are stacked on the top surface of the main disk body 31. Further preferably, the mounting groove body 34 is inserted into the main disk body 31 and penetrates through the first ring plate 32 and the second ring plate 33. Further preferably, the air guide pipe 35 is also inserted on the outer side surface of the first ring plate 32 and penetrates through the plate body thereof and the side wall of the mounting groove body 34. Preferably, the mounting groove body 34 also penetrates through the main disk body 31, and the mounting groove bodies 34 are arranged at circumferential intervals, so that its groove cavity is used to accommodate and place the clamping assembly 5. The mounting groove body 34 provided in this application can be used to accommodate the clamping assembly 5, so as to position the workpiece below the horizontal plane of the air guide pipe 35, so that the airflow negatively drawn by the air guide pipe 35 can carry the sundries and dust on the surface of the workpiece and the weld seam area. The first ring plate 32 and the second ring plate 33 provided in this application can form a retaining structure with a certain height, so as to intercept the sparks and debris splashing everywhere during the welding process, avoiding flying into the external space to pollute the environment and cause safety hazards, and greatly improving the safety of the welding process.

[0032] Preferably, a toothed disk 311 coaxial with it is provided on the bottom surface of the main disk body 31. Further preferably, the toothed disk 311 can be in transmission engagement with the deflection drive assembly 4. Preferably, a magnetic attraction plate 351 is provided at one end of the air guide pipe 35 away from the mounting groove body 34. The air guide pipe 35 provided in this application can be magnetically connected to the elastic sleeve 73 to form a specific negative pressure traction flow channel, and during the rotation of the main disk body 31, the circumferentially spaced air guide pipes 35 are communicated with the elastic sleeve 73, so as to clean the workpieces clamped by different clamping assemblies 5.

[0033] Preferably, the deflection motor 41 of the deflection drive assembly 4 is installed on the weighted base 1. Further preferably, the output shaft of the deflection motor 41 is connected with a transmission gear 42 that can be meshed with the toothed disk 311. The deflection motor 41 adopts a conventional low-speed and high-torque deflection motor, which can perform periodic deflection movement according to the control instruction, so as to effectively change the working position of the main disk body 31.

[0034] Preferably, the clamping assembly 5 includes a placement table 51, a right-angle connecting strip 52, a limiting member 53, and a hydraulic lifting rod 54. Preferably, right-angle connecting strips 52 are symmetrically arranged on the placement table 51. Preferably, a limiting member 53 capable of positioning the workpiece on the placement table 51 is inserted into the plate body of the right-angle connecting strip 52 parallel to the placement table 51. Preferably, a hydraulic lifting rod 54 is connected to the bottom of the placement table 51 to support it in the cavity of the installation groove 34 in a manner of adjustable suspension height. Preferably, the top surface of the placement table 51 is covered with an anti-slip pad, and the anti-slip pad is a silicone pad that is heat-resistant and can deform to a certain extent to effectively fit the surface of the workpiece. During use, the hydraulic lifting rod 54 can lift and lower periodically to controllably move the placement table 51 out of the installation groove 34, so as to facilitate the extraction of the workpiece under the right-angle connecting strip 52 from both sides, facilitating the efficient removal and loading of the workpiece. And the hydraulic lifting rod 54 also moves the placement table 51 into the installation groove 34 periodically, so that the height of the workpiece on the placement table 51 is not higher than the height of the air duct 35, and the nozzle of the air duct 35 is located in the horizontal plane above the workpiece, so that the negative pressure suction in the air duct 35 can effectively draw the airflow to carry the sundries and dust on the surface of the workpiece. After the workpiece is moved into the installation groove 34, the installation groove 34 can also effectively construct a surrounding protection structure, improving the safety of welding and preventing sparks and debris from flying everywhere.

[0035] Preferably, the limiting member 53 includes a limiting strip 531, a threaded positioning rod 532, a guiding slide rod 533, a supporting spring 534, and a limiting pressure block 535. Preferably, a threaded positioning rod 532 and a guiding slide rod 533 are arranged on the top surface of the limiting strip 531. Specifically, the threaded positioning rod 532 is rotatably connected to the limiting strip 531. Further preferably, the threaded positioning rod 532 and the guiding slide rod 533 are inserted into the right-angle connecting strip 52 in a parallel manner. Specifically, the threaded positioning rod 532 is threadedly inserted into the right-angle connecting strip 52. Preferably, the lower surface of the limiting strip 531 is connected to the limiting pressure block 535 through an array of supporting springs 534, so as to adjustably press at least part of the limiting pressure block 535 against the upper surface of the workpiece to limit the placement position of the workpiece on the placement table 51. In this application, an array of supporting springs 534 is provided to effectively and adaptively clamp the workpiece with a non-planar surface profile to ensure the stability and effectiveness of clamping.

[0036] Preferably, the negative pressure cleaning assembly 7 includes a negative pressure air extraction unit 71, an air inlet pipe 72, an elastic sleeve 73, and a dust collection bin 74. Preferably, the negative pressure air extraction unit 71 is installed on the side of the column 6 facing the processing disk 3. Preferably, an air inlet pipe 72, which can be partially placed in the annular gap between the main disk body 31 and the second ring plate 33 and is adjustably communicated with the air guide pipe 35, is inserted into the air inlet end of the negative pressure air extraction unit 71 close to the processing disk 3. Further preferably, an elastic sleeve 73 is sleeved on one end of the air inlet pipe 72 close to the air guide pipe 35, so that the air inlet pipe 72 can be communicated with the air guide pipe 35 when the elastic sleeve 73 abuts against the magnetic attraction plate 351, thereby constructing an air inlet flow passage communicated with the cavity of the installation groove body 34, and quickly pulling the impurities on the surface of the workpiece on the placing table 51 to be directionally transferred along with the negative pressure air flow. Preferably, the elastic sleeve 73 includes a cylinder sleeved on the air inlet pipe 72 and a limiting spring for defining the axial relative position between the cylinder and the air inlet pipe 72. Preferably, a dust collection bin 74 placed on the weighting base 1 is further connected below the negative pressure air extraction unit 71. Further preferably, a poisonous gas adsorption and filtration structure is further arranged at the exhaust port of the dust collection bin 74, so as to filter the harmful poisonous gas generated during the high-temperature welding process through adsorption materials such as activated carbon, thereby reducing the pollutants generated during the welding process.

[0037] Preferably, the welding assembly 8 includes a lifting adjustment rod 81, a top plate 82, a transverse movement guide rail 83, a welding head 84, and a balance counterweight 85. Preferably, the lifting adjustment rod 81 is supported on the column 6. The top plate 82 is installed at the upper end of the lifting adjustment rod 81 in the axial direction. The transverse movement guide rail 83 is arranged on the lower surface of the plate body of the top plate 82. The welding head 84 is installed on the moving end of the transverse movement guide rail 83. Further preferably, the transverse movement guide rail 83 is located directly above the processing disk 3 to drive the welding head 84 to radially translate above the placing table 51. Preferably, a balance counterweight 85 is further arranged at one end of the top plate 82 away from the transverse movement guide rail 83.

[0038] The present utility model is not limited to the above optional embodiments. Any person can obtain other various forms of products under the inspiration of the present utility model. However, no matter what changes are made in its shape or structure, as long as the technical solutions fall within the scope defined by the claims of the present utility model, they all fall within the protection scope of the present utility model. Those skilled in the art should understand that the specification and drawings of the present utility model are illustrative and do not constitute a limitation on the claims. The protection scope of the present utility model is defined by the claims and their equivalents. Throughout the text, the features guided by "preferably" are only an optional manner and should not be understood as must be set. Therefore, the applicant reserves the right to abandon or delete the relevant preferred features at any time.

Claims

1. A welding workbench for continuous processing, comprising a weighted base (1) capable of providing a support plane, characterized in that, a processing disk (3) is rotatably supported on the weighted base (1) by a rotating pillar (2), and a deflection driving assembly (4) capable of being in transmission connection with the processing disk (3) to drive the processing disk (3) to deflect is further arranged on the weighted base (1); a plurality of clamping assemblies (5) capable of limiting workpieces are circumferentially and spacedly arranged on the top surface of the processing disk (3), and the clamping assemblies (5) are inserted on the processing disk (3) in a liftable manner; a negative pressure cleaning assembly (7) and a welding assembly (8) are supported on the side of the processing disk (3) by a platform pillar (6).

2. The continuous processing welding workbench according to claim 1, characterized in that, The processing disk (3) comprises a main disk body (31), a first ring plate (32), a second ring plate (33), a mounting groove body (34) and an air duct (35), wherein, the first ring plate (32) and the second ring plate (33) are stacked on the top surface of the main disk body (31); a mounting groove body (34) penetrating through the first ring plate (32) and the second ring plate (33) is inserted on the main disk body (31); an air duct (35) penetrating through the plate body of the first ring plate (32) and the side wall of the mounting groove body (34) is further inserted on the outer side surface of the first ring plate (32).

3. The continuously processed welding workbench according to claim 2, wherein, A toothed disk (311) coaxial with the main disk body (31) is arranged on the bottom surface of the main disk body (31), and the toothed disk (311) can be in transmission engagement with the deflection driving assembly (4); A magnetic suction plate (351) is arranged at one end of the air duct (35) far away from the mounting groove body (34).

4. The continuously processed welding workbench according to claim 3, characterized in that, Right-angle connecting strip plates (52) are symmetrically arranged on the placing table (51) of the clamping assembly (5), and a limiting member (53) capable of positioning the workpiece on the placing table (51) is inserted on the plate body of the right-angle connecting strip plate (52) parallel to the placing table (51); A hydraulic lifting rod (54) capable of supporting the placing table (51) in a manner of adjustable suspension height is connected to the bottom of the placing table (51) and is supported in the cavity of the mounting groove body (34).

5. The continuously processed welding workbench according to claim 4, wherein The limiting member (53) comprises a limiting strip plate (531), a threaded positioning rod (532), a guiding sliding rod (533), a supporting spring (534) and a limiting pressing block (535), wherein, a threaded positioning rod (532) and a guiding sliding rod (533) are arranged on the top surface of the limiting strip plate (531), the threaded positioning rod (532) is rotatably connected to the limiting strip plate (531), and the threaded positioning rod (532) and the guiding sliding rod (533) are inserted on the right-angle connecting strip plate (52) in a parallel manner; the lower surface of the limiting strip plate (531) is connected to the limiting pressing block (535) through the supporting springs (534) arranged in an array.

6. The continuously processed welding workbench according to claim 5, characterized in that, The negative pressure extraction unit (71) of the negative pressure cleaning assembly (7) is installed on the side of the pedestal (6) facing the processing disk (3), and an air inlet pipe (72) that can be partially placed in the annular space between the main disk body (31) and the second ring plate (33) and is adjustable and conductively connected to the air guide pipe (35) is inserted near the air inlet end of the negative pressure extraction unit (71) close to the processing disk (3); An elastic sleeve (73) is sleeved on one end of the air inlet pipe (72) close to the air guide pipe (35).

7. The continuously processed welding workbench according to claim 6, characterized in that, A dust collection bin (74) placed on the weighted base (1) is also connected below the negative pressure extraction unit (71).

8. The continuously processed welding workbench according to claim 7, characterized in that, The welding assembly (8) includes a lifting adjustment rod (81) supported on the pedestal (6), a top plate (82) installed at the upper end of the axial direction of the lifting adjustment rod (81), a transverse movement guide rail (83) provided on the lower surface of the plate body of the top plate (82), and a welding head (84) installed at the moving end of the transverse movement guide rail (83).

9. The continuously processed welding workbench according to claim 8, wherein, A balance weight block (85) is also provided at one end of the top plate (82) away from the transverse movement guide rail (83).

10. The continuously processed welding workbench according to claim 9, characterized in that, The deflection driving motor (41) of the deflection driving assembly (4) is installed on the weighted base (1), and an output shaft of the deflection driving motor (41) is connected with a transmission gear (42) capable of meshing with the toothed disk (311).

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