Semi-automatic arc welding device

Abstract

The utility model discloses a semi-automatic arc welding device which comprises a welding table placed on a horizontal plane, a working table is further installed in the center of the top of the welding table, and a welding assembly is further arranged above the welding table. The inner side of the arc-shaped clamping block is attached to the outer side of a machined part, the arc-shaped clamping block limits the machined part through the arrangement of the driving mechanism, the air injection mechanism can conduct air injection treatment on the machined part through work of the driving mechanism, and the purposes of cleaning before work and cooling after welding are achieved. According to the semi-automatic arc welding device, the driving mechanism is arranged, the two sets of arc-shaped clamping blocks can move relative to each other through the driving mechanism, and therefore a machined part is limited, and the problems that when the machined part needs to be replaced, the temperature of the surface of the machined part is still high, and workers cannot replace the machined part very conveniently can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the welding related technical field, concretely to a kind of semi-automatic arc welding device. BACKGROUND

[0002] Electric arc welding is a commonly used metal joining technique, its basic principle is to melt welding wire and base material through high temperature of electric arc, so that they form a firm weld after cooling. However, traditional manual electric arc welding has problems such as low efficiency, high labor intensity and unstable welding quality, which is difficult to meet the needs of modern industrial production for efficient and high-quality welding.

[0003] There are many types of existing arc welding devices, but there are still some shortcomings in use. During the welding process, the welding machine is not strong in its targeting for arc-shaped welding. Compared with manual welding, although the welding quality is improved, the work efficiency still needs to be improved. To solve the above problems, reference can be made to the existing technology (Chinese patent with application number 201220013156.X and publication date of September 5, 2012) which discloses an arc welding device. The welding device is provided with a welding head guide, which has a horizontal adjusting rod and a vertical adjuster. In use, the welding head can be moved to the set position. At the same time, the positioning turntable is provided with more than three positioning members, which can fix the arc-shaped welding piece to the positioning turntable and can rotate with the positioning turntable. Through the positioning of the welding head and the rotation of the welding piece, arc welding is realized.

[0004] Although the above device can perform arc welding processing, after welding, the surface temperature of the workpiece will rise. When the workpiece needs to be replaced, the surface temperature of the workpiece is still relatively high, which cannot be easily replaced by the workers.

[0005] Therefore, we propose a semi-automatic arc welding device to solve the above problems. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims to provide a kind of semi-automatic arc welding device to solve the problem that the surface temperature of the workpiece will rise after welding by the arc welding machine on the market at present, when the workpiece needs to be replaced, the surface temperature of the workpiece is still relatively high, which cannot be easily replaced by the workers.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A kind of semi-automatic arc welding device, including the welding table placed on horizontal plane, the top center position of the welding table is also equipped with workbench, the upper position of the welding table is also provided with welding assembly;Driving motor is fixedly installed in the top right corner position of the welding table, the output end position of the driving motor is fixed with the center position of threaded rod, the outside of the threaded rod is screw-connected in the bottom shell position of electric push rod, the top position of the electric push rod is also fixed with welding assembly;Two groups of sliding grooves are opened in the top of the workbench, the inside of the sliding groove is slidably provided with arc clamping block, the inside of the arc clamping block is attached to the outside of workpiece, and the arc clamping block is limited to workpiece by the setting of driving mechanism, and the working of the driving mechanism can realize that workpiece is handled by air injection mechanism, to achieve the purpose of cleaning before work and cooling after welding.

[0008] As the preferred technical scheme of the application, the top rear position of the welding table is also fixed with a group of guide rods, and the end of the threaded rod away from the driving motor is rotatably arranged at the top position of the welding table.

[0009] As the preferred technical scheme of the application, the driving mechanism includes a rotating motor installed inside the welding table, a reciprocating screw rod is vertically installed at the output end of the rotating motor, the top position of the reciprocating screw rod is fixed at the bottom center position of the connecting gear, two groups of connecting racks are engagedly connected to the outside of the connecting gear, and the outside of the two groups of connecting racks is fixedly connected to one end of the two groups of arc clamping blocks.

[0010] As the preferred technical scheme of the application, the bottom of the arc clamping block is slidably arranged inside the two groups of sliding grooves, and one group of connecting racks is fixed to one side of the bottom of the arc clamping block, and a through groove is formed in the side of the bottom of the arc clamping block away from the connecting rack.

[0011] As the preferred technical scheme of the application, the arc clamping block is mirror image arranged with two groups about the vertical center line of the workbench, the width of the through groove is greater than the width of the connecting rack, and the connecting rack is slidably arranged inside the through groove.

[0012] As the preferred technical scheme of the application, the air injection mechanism includes a threaded connecting frame screw-connected to the outside of the reciprocating screw rod, piston rods are fixed at the front and rear ends of the threaded connecting frame, the upper end of the piston rod is attached to the inner wall of the connecting cylinder, the top position of the connecting cylinder is connected to the outside of the arc clamping block through the connecting hose, and a plurality of air injection ports are formed in the surface of the arc clamping block.

[0013] The upper interior of the connecting cylinder is connected with the interior of the connecting cylinder through a one-way air inlet valve, and a one-way air outlet valve is arranged at the outer end position of the air jet port.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: the semi-automatic arc welding device is provided with a driving mechanism, the driving mechanism can realize the relative movement of the two groups of arc-shaped clamping blocks, thereby limiting the processing piece, and the working of the driving mechanism can realize the cleaning and cooling of the surface of the workpiece by the gas jet mechanism, thereby solving the problem that the surface temperature of the processing piece is still relatively high when the processing piece needs to be replaced, and the processing piece cannot be replaced by the staff conveniently, and the specific content is shown as follows:

[0015] 1. The rotating motor is provided, the rotating motor drives the reciprocating screw rod and the engaging gear to rotate, the engaging gear drives the meshing connecting connecting rack to move, the two groups of meshing connecting connecting rack drive the arc-shaped clamping block to move relatively, and the processing piece on the top of the workbench is limited; further, the through groove is provided, the bottom position of the arc-shaped clamping block is provided with the through groove, and the width of the through groove is greater than the width of the connecting rack, so that the arc-shaped clamping block can move relatively stably, and the purpose of stable limiting of the processing piece is achieved.

[0016] 2. The reciprocating screw rod is provided, the rotation of the reciprocating screw rod can drive the piston rod to move through the threaded connection of the threaded connection frame, so that the piston rod can slide in the interior of the connecting cylinder, the gas is conveyed to the interior of the air jet port through the connecting hose, and the outer surface of the processing piece can be cleaned; further, in the process of releasing the limiting, the gas can be sprayed and cooled on the surface position of the workpiece. DRAWINGS

[0017] Figure 1 It is a front view structural schematic diagram of the utility model;

[0018] Figure 2 It is a front view structural schematic diagram of the utility model Figure 1 It is an enlarged structural schematic diagram of A in the utility model;

[0019] Figure 3 It is a front view structural schematic diagram of the welding assembly of the utility model;

[0020] Figure 4 It is a workbench bottom view sectional structure schematic diagram of the utility model;

[0021] Figure 5 It is a front view structural schematic diagram of the arc-shaped clamping block of the utility model;

[0022] Figure 6The utility model discloses a connecting cylinder cross section structure schematic diagram.

[0023] In the drawing: 1, welding platform, 2, workbench, 3, drive motor, 4, threaded rod, 5, electric push rod, 6, guide rod, 7, welding assembly, 8, rotation motor, 9, reciprocating screw, 10, link gear, 11, connecting rack, 12, arc clamping block, 13, through slot, 14, sliding slot, 15, threaded connection frame, 16, piston rod, 17, connecting cylinder, 18, connecting hose, 19, air jet. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative work belong to the protection scope of the utility model.

[0025] Please refer to Figures 1-6 The utility model provides the following technical scheme:

[0026] Embodiment one

[0027] In order to be convenient for the workpiece to carry out the spacing and welding processing, can refer to the attached Figure 1 -attached Figure 4The welding table 1 is placed on the horizontal plane, the top center position of the welding table 1 is further provided with the workbench 2, and the upper position of the welding table 1 is further provided with the welding assembly 7; The driving motor 3 is fixedly installed at the top right corner of the welding table 1, the output end position of the driving motor 3 is fixed with the center position of the threaded rod 4, the outer side of the threaded rod 4 is threadedly connected with the bottom shell position of the electric push rod 5, and the top position of the electric push rod 5 is further fixed with the welding assembly 7; The top of the workbench 2 is provided with two groups of sliding grooves 14, the arc-shaped clamping blocks 12 are slidably arranged in the sliding grooves 14, the inner side of the arc-shaped clamping blocks 12 is attached to the outer side of the workpiece, the arc-shaped clamping blocks 12 are limited by the driving mechanism, a group of guide rods 6 is further fixed to the top rear side of the welding table 1, and one end of the threaded rod 4 away from the driving motor 3 is rotatably arranged at the top position of the welding table 1; The driving mechanism comprises a rotating motor 8 installed in the welding table 1, a reciprocating screw rod 9 is vertically installed at the output end position of the rotating motor 8, the top position of the reciprocating screw rod 9 is fixed at the bottom center position of the connecting gear 10, two groups of connecting racks 11 are meshingly connected to the outer side of the connecting gear 10, and the outer sides of the two groups of connecting racks 11 are fixedly connected with one end of the two groups of arc-shaped clamping blocks 12; The bottom of the arc-shaped clamping block 12 is slidably arranged in the two groups of sliding grooves 14, and one group of connecting racks 11 is fixed to one side of the bottom of the arc-shaped clamping block 12. A through groove 13 is further formed in the side of the bottom of the arc-shaped clamping block 12 away from the connecting rack 11; The arc-shaped clamping blocks 12 are mirror images about the vertical center line of the workbench 2, the width of the through groove 13 is greater than the width of the connecting rack 11, and the transverse position of the connecting rack 11 is slidably arranged in the through groove 13.

[0028] Firstly, the workers place the workpiece on the top of the workbench 2, start the rotating motor 8, drive the reciprocating screw rod 9 fixedly connected to the output end of the rotating motor 8 to rotate, drive the two groups of connecting racks 11 meshingly connected to the outer side of the reciprocating screw rod 9 to move relative to each other, drive the two groups of arc-shaped clamping blocks 12 to move relative to each other in the sliding grooves 14, and the outer side of one group of reciprocating screw rods 9 will slide through the through groove 13. The arc-shaped clamping blocks 12 can limit the workpiece during movement; then the driving motor 3 is started, the threaded rod 4 drives the electric push rod 5 to stably slide on the top of the welding table 1 through the guide rod 6, the electric push rod 5 drives the welding assembly 7 to move, and the welding height of the welding assembly 7 can be adjusted through the welding assembly 7, so that the welding process can be realized.

[0029] Example two

[0030] In order to solve the problem that the surface temperature of the workpiece will be increased after welding by the arc welding machine in the market, and the workpiece cannot be replaced when the surface temperature is still high. Figure 1 and the accompanying drawings Figure 4 - the accompanying drawings Figure 6 When the reciprocating screw rod 9 rotates, the threaded connecting frame 15 connected with the reciprocating screw rod 9 can also move, so that the threaded connecting frame 15 drives the piston rod 16 to slide in the connecting cylinder 17, and when the piston rod 16 moves upward, the piston rod 16 extrudes the gas in the connecting cylinder 17, so that the gas is sprayed through the connecting hose 18, the air outlet 19 and the pressure nozzle, so that the gas acts on the surface position of the workpiece, and the gas can be sprayed on the surface position of the workpiece during relative clamping, so that the workpiece can be cleaned by spraying gas, which is convenient for subsequent welding work.

[0031] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0032] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A semi-automatic arc welding device, comprising a welding table (1) placed on a horizontal plane, a workbench (2) is further installed at the top center position of the welding table (1), and a welding assembly (7) is further arranged at the upper position of the welding table (1); characterized in that A driving motor (3) is fixedly installed at the top right corner of the welding table (1), the output end position of the driving motor (3) is fixed with the center position of a threaded rod (4), the outer side of the threaded rod (4) is threadedly connected with the bottom shell position of an electric push rod (5), and the top position of the electric push rod (5) is further fixed with the welding assembly (7); Two groups of sliding grooves (14) are formed in the top of the workbench (2), the sliding grooves (14) are internally and slidably provided with arc-shaped clamping blocks (12), the inner side of the arc-shaped clamping blocks (12) is attached to the outer side of a workpiece, the arc-shaped clamping blocks (12) are limited by the driving mechanism, and the working of the driving mechanism can realize jet processing of the workpiece by the jet mechanism, so as to achieve the purposes of cleaning before work and cooling after welding.

2. A semi-automatic arc welding device according to claim 1, characterized in that: A group of guide rods (6) are further fixed at the top rear position of the welding table (1), and one end of the threaded rod (4) away from the driving motor (3) is rotatably arranged at the top position of the welding table (1).

3. A semi-automatic arc welding device according to claim 1, characterized in that: The driving mechanism comprises a rotating motor (8) installed in the welding table (1), a reciprocating screw rod (9) is vertically installed at the output end position of the rotating motor (8), the top position of the reciprocating screw rod (9) is fixed at the bottom center position of an adapter gear (10), two groups of connecting racks (11) are meshingly connected to the outer side of the adapter gear (10), and the outer sides of the two groups of connecting racks (11) are fixedly connected with one end of the two groups of arc-shaped clamping blocks (12).

4. A semi-automatic arc welding device according to claim 3, characterized in that: The bottom of the arc-shaped clamping block (12) is slidably arranged in the two groups of sliding grooves (14), one group of connecting racks (11) is fixed at one side of the bottom of the arc-shaped clamping block (12), and a through groove (13) is further formed at the side of the bottom of the arc-shaped clamping block (12) away from the connecting rack (11).

5. A semi-automatic arc welding device according to claim 4, characterized in that: The two groups of arc-shaped clamping blocks (12) are mirror images about the vertical center line of the workbench (2), the width of the through groove (13) is greater than the width of the connecting rack (11), and the connecting rack (11) is slidably arranged in the through groove (13).

6. A semi-automatic arc welding device according to claim 1, characterized in that: The jet mechanism comprises a threaded connecting frame (15) threadedly connected to the outer side of the reciprocating screw rod (9), piston rods (16) are fixed at the front and rear ends of the threaded connecting frame (15), the upper end of the piston rod (16) is attached to the inner wall of a connecting cylinder (17), the top position of the connecting cylinder (17) is connected with the outer side of the arc-shaped clamping block (12) through a connecting hose (18), and a plurality of jet ports (19) are formed in the surface of the arc-shaped clamping block (12).

7. A semi-automatic arc welding device according to claim 6, characterized in that: The upper inside of the connecting cylinder (17) is communicated with the inside of the connecting cylinder (17) through a one-way air inlet valve, and a one-way air outlet valve is arranged at the outer end position of the air jet port (19), and the outside of the air jet port (19) corresponds to the outside of the machined part.

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