Welding device for pipe and flange

Abstract

The utility model relates to the technical field of pipe processing, and discloses a welding device for a pipe and a flange, which comprises a base, the two sides of the base are fixedly connected with external connection seats, the two sides of the base are symmetrically provided with fixing frames, the top ends of the fixing frames are fixedly connected outside the external connection seats, and the top ends of the fixing frames are fixedly connected outside the external connection seats. And a rotating assembly for improving the welding effect is arranged at the top of the base. According to the welding device for the pipe and the flange, the auxiliary side frame, the welding rotary disc, the sliding rail, the sliding seat, the connecting plate, the linkage shaft and the driving motor are arranged, the welding rotary disc rotates by one circle, workers can conduct welding operation conveniently, the situation that the welding rotary disc inclines and shakes in the rotating process to affect the welding effect is effectively prevented, the welding precision is enhanced, and the welding efficiency is improved. The problems that the pipe is manually rotated mainly through manual work, it is guaranteed that welding machining can be conducted on the connecting position of the pipe and a flange, but welding omission is prone to occurring in manual rotation operation, the whole welding process is not smooth, and consumed time is much are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe material processing technical field, concretely for a kind of welding device for pipe material and flange. BACKGROUND

[0002] The role of pipe processing mainly reflects the demand of different industries for pipe, improves the grade and performance of product, and enhances the market competitiveness of product, and pipe processing covers from simple cutting to complex forming processing, including but not limited to laser pipe cutting technology, hot rolling, cold rolling, welding and various processes, these technologies can be made according to the specific needs of different industries, produce standard pipe fittings, produce high-quality pipe, with good physical and chemical stability, and the technology and equipment are excellent, and the process layout is reasonable.

[0003] Pipe and flange connection realizes the sealing, compression resistance, heat resistance and convenient disassembly and installation of pipeline system, two pipe fittings can be fixed on a flange plate through flange, two flange plates are tightly fixed through multiple bolts, the sealing property of pipeline connection part is guaranteed, liquid and gas leakage can be prevented under high pressure or high temperature condition, the possibility of accident occurrence is reduced, and currently, pipe is manually rotated by artificial, to ensure that pipe and flange connection can be welded, but manual rotation operation is prone to welding omission, and the overall welding process is not smooth, and more time is consumed.

[0004] Therefore, a new welding device for pipe and flange is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a welding device for pipe and flange to solve the problem that manual rotation of pipe is mainly used to ensure that pipe and flange connection can be welded, but manual rotation operation is prone to welding omission, the overall welding process is not smooth, and more time is consumed.

[0006] To achieve the above object, the utility model provides the following technical scheme: a welding device for pipe and flange, comprising a base, the both sides of the base are fixedly connected with external connectors, the both sides of the base are symmetrically provided with fixing frames, the top end of the fixing frame is fixedly connected outside the external connector, the top of the base is provided with a rotating assembly for improving welding effect.

[0007] The rotating assembly includes a welding turntable movably connected to the top end of a base, a plurality of auxiliary side frames fixedly connected to the top end of the base, the auxiliary side frames being equidistantly arranged outside the welding turntable, an outer connecting plate fixedly connected to the inner end of the auxiliary side frame, a circle of slide rails arranged at the outer end of the welding turntable, the outer end of the slide rail being fixedly connected to the inner wall of the outer connecting plate, a plurality of slide seats fixedly connected to the outer end of the welding turntable, the slide seat being sleevedly arranged outside the slide rail and being slidably connected to the surface of the slide rail.

[0008] Preferably, a linkage shaft is fixedly connected to the center of the bottom end of the welding turntable, the bottom of the linkage shaft penetrating through the inside of the base, and a driving motor is fixedly connected to the linkage shaft.

[0009] Preferably, a pipe body is vertically arranged above the welding turntable, flanges are arranged at the bottom end and the top end of the pipe body, and the flange at the top of the pipe body is more than the flange at the bottom.

[0010] Preferably, an adjusting frame is sleevedly arranged outside one side of the flange, a placing groove is inwardly arranged at the right side of the adjusting frame, and the bottom of the flange is attached to the bottom end inside the placing groove.

[0011] Preferably, an adjusting frame is sleevedly arranged outside one side of the flange, a placing groove is inwardly arranged at the right side of the adjusting frame, and the bottom of the flange is attached to the bottom end inside the placing groove.

[0012] Preferably, mounting seats are fixedly connected to the two sides of the top end of the welding turntable, and a plurality of inner grooves are horizontally arranged on the surface of the welding turntable.

[0013] Preferably, a telescopic frame is fixedly connected to the side wall of the mounting seat, a fixed plate is fixedly connected to the outer side of the telescopic frame, connecting seats are fixedly connected to the front end and the rear end of the bottom of the fixed plate, a positioning rod is vertically arranged inside the connecting seat, and the bottom of the positioning rod is insertedly connected to the inside of the inner groove.

[0014] Preferably, a push block is fixedly connected to the top end of the positioning rod, and a handle is fixedly connected to one side of the top of the telescopic frame.

[0015] Compared with the prior art, the welding device for the pipe and the flange not only realizes the stable rotation function, realizes the clamping and fixing function, but also realizes the limiting and supporting function.

[0016] (1) By being provided with auxiliary side frame, welding turntable, slide rail, sliding seat, connecting plate, linkage shaft and driving motor, the driving motor cooperates with the linkage shaft, drives the welding turntable fixed at the top to rotate stably, one rotation of the welding turntable facilitates the welding operation of the staff, reduces the possibility of missed welding, the sliding seat is sleeved and installed outside the slide rail, the sliding structure is used to enhance the balance and stability of the welding turntable, effectively prevents the welding turntable from tilting and shaking during rotation to affect the welding effect, enhances the welding precision, and provides all-round support and protection for the outer end of the welding turntable;

[0017] (2) By being provided with adjusting frame, clamping plate, placing groove, screw rod, sleeve and knob, the screw rod moves downward in the sleeve according to the thread direction on the surface, the clamping plate is adjusted to the adaptive position according to the thickness of the flange, the two ends of the flange are limited and fixed through the clamping plate and the bottom end of the adjusting frame, the connection between the flange and the pipe body is convenient for welding treatment, effectively prevents the flange from falling and reduces the welding success rate, and the flange is quickly positioned;

[0018] (3) By being provided with mounting seat, telescopic frame, handle, fixed plate, positioning rod, connecting seat and inner groove, the flange to be welded is placed on the top of the welding turntable, the telescopic frame is pulled inward through the handle, the flange width is adjusted flexibly, two groups of fixed plates cooperate with each other to limit and fix the two sides of the flange, the adjusting range of the device is expanded, the adaptability is improved, the positioning rod penetrates the inside of the connecting seat vertically, the plug-in structure is used to fix it in the inner groove, the fixed plate is prevented from moving left and right, the fixity of the fixed plate is improved, the overall structure is prevented from displacement when the flange and the pipe body are welded, and the rotation operation of the welding turntable does not cause shaking influence on the pipe body and the flange. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structure schematic view of the utility model;

[0020] Figure 2 It is an auxiliary side frame bottom view structure schematic view of the utility model;

[0021] Figure 3 It is a welding turntable top view structure schematic view of the utility model;

[0022] Figure 4 It is an adjusting frame front view structure schematic view of the utility model.

[0023] In the figure: 1, fixed frame; 2, base; 3, auxiliary side frame; 4, welding turntable; 5, positioning rod; 6, adjusting frame; 7, knob; 8, screw rod; 9, clamping plate; 10, flange; 11, pipe body; 12, push block; 13, telescopic frame; 14, sliding seat; 15, external seat; 16, driving motor; 17, connecting plate; 18, linkage shaft; 19, sliding rail; 20, external plate; 21, inner groove; 22, connecting seat; 23, handle; 24, fixed plate; 25, mounting seat; 26, sleeve; 27, placing groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Embodiment 1: please refer to Figures 1-4 A welding device for pipe and flange, comprising a base 2, the both sides of the base 2 are fixedly connected with an external seat 15, the both sides of the base 2 are symmetrically provided with a fixed frame 1, the top end of the fixed frame 1 is fixedly connected outside the external seat 15, the top of the base 2 is provided with a rotating assembly for improving the welding effect;

[0026] The rotating assembly comprises a welding turntable 4, the welding turntable 4 is movably connected at the top end of the base 2, a plurality of auxiliary side frames 3 are fixedly connected at the top end of the base 2, the auxiliary side frames 3 are equidistantly arranged outside the welding turntable 4, the inner end of the auxiliary side frame 3 is fixedly connected with an external plate 20, the outer end of the welding turntable 4 is provided with a circle of sliding rails 19, the outer end of the sliding rail 19 is fixedly connected with the inner wall of the external plate 20, a plurality of sliding seats 14 are fixedly connected at the outer end of the welding turntable 4, the sliding seat 14 is sleevedly installed outside the sliding rail 19 and is slidingly connected on the surface of the sliding rail 19;

[0027] The center of the bottom end of the welding turntable 4 is fixedly connected with a linkage shaft 18, the bottom of the linkage shaft 18 penetrates the inside of the base 2 and is fixedly connected with a driving motor 16, the connecting plate 17 is transversely fixedly connected between the bottom of the two fixed frames 1;

[0028] Specifically, as Figure 1 and Figure 2As shown, the flange 10 and the pipe body 11 that need to be welded during use are placed on the top of the welding turntable 4, and the driving motor 16 drives the welding turntable 4 to rotate through the fixed linkage shaft 18 on the top, and the flange 10 and the pipe body 11 are fixed together by manual welding during one rotation of the welding turntable 4, and the sliding seat 14 is sleeved and installed outside the sliding rail 19, and the outer end of the welding turntable 4 is provided with strong support and protection by the plurality of auxiliary side frames 3 during rotation.

[0029] In the embodiment 2, the pipe body 11 is vertically arranged above the welding turntable 4, the flange 10 is arranged at the bottom end and the top end of the pipe body 11, and there is one more set of flanges 10 at the top of the pipe body 11 than at the bottom.

[0030] The adjusting frame 6 is sleeved and arranged outside one side of the flange 10, the right side of the adjusting frame 6 is inwardly provided with a placing groove 27, and the bottom of the flange 10 is attached to the bottom end inside the placing groove 27.

[0031] The top end of the adjusting frame 6 is provided with a sleeve 26, the inside of the sleeve 26 is vertically penetrated by a lead screw 8, the top end of the lead screw 8 is fixedly connected with a knob 7, the bottom end of the lead screw 8 is movably connected with a clamping plate 9, and the threads on the surface of the lead screw 8 are matched with the threads on the inner wall of the sleeve 26.

[0032] Specifically, as shown in Figure 1 and Figure 4 during use, one side of the two sets of flanges 10 is inserted into the placing groove 27, the adjusting frame 6 is sleeved and installed outside, the knob 7 is rotated to drive the lead screw 8 to stably move downward in the inside of the sleeve 26, until the clamping plate 9 is attached to the top of the flange 10, and the clamping plate 9 and the adjusting frame 6 are matched to clamp and fix the two ends of the flange 10.

[0033] In the embodiment 3, the mounting seat 25 is fixedly connected at the two sides of the top end of the welding turntable 4, and a plurality of inner grooves 21 are horizontally arranged on the surface of the welding turntable 4.

[0034] The side wall of the mounting seat 25 is fixedly connected with the telescopic frame 13, the outer side of the telescopic frame 13 is fixedly connected with the fixed plate 24, the front end and the rear end of the bottom of the fixed plate 24 are fixedly connected with the connecting seat 22, the inside of the connecting seat 22 is vertically penetrated by the positioning rod 5, and the bottom of the positioning rod 5 is inserted and connected into the inside of the inner groove 21.

[0035] The top end of the positioning rod 5 is fixedly connected with the push block 12, and one side of the top of the telescopic frame 13 is fixedly connected with the handle 23.

[0036] Specifically, as shown in Figure 1 and Figure 3As shown, when in use, the flange 10 is placed on the top of the welding turntable 4, the telescopic frame 13 is pulled inward through the handle 23 until the two groups of fixing plates 24 limit and fix the two sides of the flange 10, the positioning rod 5 is penetrated through the inside of the connecting seat 22 after extruding the push block 12, is inserted into the inner groove 21 and is inserted and fixed, the connecting seat 22 and the fixing plate 24 are fixed at the current position.

[0037] Principle: the utility model discloses in use, the flange 10 is placed on the top of the welding turntable 4, the telescopic frame 13 is pulled inward through the handle 23 until the two groups of fixing plates 24 limit and fix the two sides of the flange 10, the positioning rod 5 is penetrated through the inside of the connecting seat 22 after extruding the push block 12, is inserted into the inner groove 21 and is inserted and fixed, the connecting seat 22 and the fixing plate 24 are fixed at the current position, one side of two flanges 10 is inserted into the placing groove 27, and the adjusting frame 6 is sleeved and installed on its outside, and the knob 7 rotates after driving the screw rod 8 to move stably downward in the inside of the sleeve 26 until the clamping plate 9 is attached to the top of the flange 10, and the welding turntable 4 is rotated through the fixed linkage shaft 18 on the top after the driving motor 16 operates, and the flange 10 and the pipe body 11 are fixed together through manual welding when the welding turntable 4 rotates a circle.

[0038] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A welding device for pipes and flanges, comprising a base (2), characterized in that: External seats (15) are fixedly connected to both sides of the base (2), fixed frames (1) are symmetrically provided on both sides of the base (2), the top of the fixed frame (1) is fixedly connected to the outside of the external seat (15), and a rotating assembly for improving the welding effect is provided on the top of the base (2); The rotating assembly includes a welding turntable (4), the welding turntable (4) is movably connected to the top of the base (2), the top of the base (2) is fixedly connected to a plurality of auxiliary side frames (3), the auxiliary side frames (3) are arranged at equal intervals outside the welding turntable (4), the inner ends of the auxiliary side frames (3) are fixedly connected to an external plate (20), the outer end of the welding turntable (4) is provided with a circle of slide rails (19), the outer end of the slide rails (19) is fixedly connected to the inner wall of the external plate (20), the outer end of the welding turntable (4) is fixedly connected to a plurality of sliding seats (14), the sliding seats (14) are sleeved and installed on the outside of the slide rails (19), and are slidably connected to the surface of the slide rails (19).

2. The device for welding pipes and flanges according to claim 1, characterized in that: A linkage shaft (18) is fixedly connected at the center of the bottom end of the welding turntable (4), the bottom of the linkage shaft (18) passes through the interior of the base (2) and is fixedly connected to a drive motor (16), and a connecting plate (17) is fixedly connected transversely between the bottoms of the two sets of fixing frames (1).

3. The device for welding pipes and flanges according to claim 1, characterized in that: A pipe body (11) is vertically arranged above the welding turntable (4), and flanges (10) are arranged at the bottom and top ends of the pipe body (11). The number of flanges (10) at the top of the pipe body (11) is one more than that at the bottom.

4. The device for welding pipes and flanges according to claim 3, characterized in that: An adjustment frame (6) is sleeved on the outside of one side of the flange (10), and a placement groove (27) is provided inwardly on the right side of the adjustment frame (6). The bottom of the flange (10) fits with the bottom end of the placement groove (27).

5. The device for welding pipes and flanges according to claim 4, characterized in that: The top of the adjusting frame (6) is provided with a sleeve (26), the interior of the sleeve (26) is vertically penetrated by a screw rod (8), the top of the screw rod (8) is fixedly connected to a knob (7), the bottom of the screw rod (8) is movably connected to a splint (9), and the thread on the surface of the screw rod (8) matches the thread on the inner wall of the sleeve (26).

6. The device for welding pipes and flanges according to claim 1, characterized in that: Mounting seats (25) are fixedly connected to both sides of the top of the welding turntable (4), and a plurality of groups of inner grooves (21) are horizontally provided on the surface of the welding turntable (4).

7. The device for welding pipes and flanges according to claim 6, characterized in that: The side wall of the mounting seat (25) is fixedly connected to a telescopic frame (13), the outer side of the telescopic frame (13) is fixedly connected to a fixing plate (24), the front end and the rear end of the bottom of the fixing plate (24) are fixedly connected to a connecting seat (22), a positioning rod (5) is vertically penetrated inside the connecting seat (22), and the bottom of the positioning rod (5) is plugged into the inside of the inner groove (21).

8. The device for welding pipes and flanges according to claim 7, characterized in that: The top end of the positioning rod (5) is fixedly connected to a push block (12), and one side of the top of the telescopic frame (13) is fixedly connected to a handle (23).

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