Positioning device for welding

Abstract

The utility model relates to the technical field of welding processing, and discloses a positioning device for welding, which comprises a base, one end of the base is fixedly connected with a fixed seat, one end of the base far away from the fixed seat is provided with a sliding seat, the fixed seat and the sliding seat are symmetrically arranged, and the sliding seat is in sliding connection with the base. The base is provided with a driving assembly for controlling the sliding seat to move towards the fixed seat, the fixed seat and the sliding seat are each provided with a clamping assembly for fixing the end of a steel pipe, a mounting seat is arranged between the fixed seat and the sliding seat, and the mounting seat is in sliding connection with the base. And a fixing assembly for fixing the opposite ends of the two steel pipes is arranged on the mounting seat. According to the utility model, the left end, the right end and the two sides of the welding position of the steel pipe are clamped and fixed, and the welding quality is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding processing technical field, especially a kind of positioning device for welding. BACKGROUND

[0002] Welding, also known as soldering, is a manufacturing process and technology that joins metal or other thermoplastic materials such as plastic through heating, high temperature or high pressure. There are many energy sources for modern welding, including gas flame, electric arc, laser, electron beam, friction and ultrasonic wave, etc. In addition to being used in factories, welding can also be performed in various environments, such as outdoors, underwater and in space.

[0003] The utility model discloses a positioning device for welding in the prior art discloses a positioning device for welding, including bottom plate, support leg, fixed mechanism and moving mechanism, the support leg fixedly connected in the bottom plate bottom four corner edge department position department, the fixed mechanism fixedly connected in the bottom plate top, the moving mechanism fixedly connected in the bottom plate top left side, this positioning device for welding, by placing steel pipe between clamping plate, rotation turntable, drive two-way threaded rod rotation, so that moving block is close to each other, so that clamping plate is fixed to steel pipe and is clamped, avoids steel pipe to sway, so that steel pipe is always located at the center of mounting ring, by moving mechanism makes left and right department steel pipe relative end alignment contact, welding is carried out to the junction.

[0004] However, in the above-mentioned device, the clamping plate can only clamp the opposite ends of the left and right steel pipes. When the two steel pipes to be welded are relatively long, the opposite ends of the steel pipes will deviate under the action of gravity, which will affect the welding quality. UTILITY MODEL CONTENTS

[0005] The utility model discloses a positioning device for welding, which can clamp and fix the left and right ends of the steel pipe at the welding position and the two sides, effectively improving the welding quality.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: a positioning device for welding, comprising a base, one end of the base is fixedly connected with a fixed seat, the end of the base away from the fixed seat is provided with a sliding seat, the fixed seat and the sliding seat are symmetrically arranged, the sliding seat is slidably connected with the base, a driving assembly for controlling the sliding seat to move towards the fixed seat is arranged on the base, clamping assemblies for fixing the end of the steel pipe are arranged on the fixed seat and the sliding seat, a mounting seat is arranged between the fixed seat and the sliding seat, the mounting seat is slidably connected with the base, and a fixing assembly for fixing the opposite ends of the two steel pipes is arranged on the mounting seat.

[0007] By adopting the technical scheme, the two steel pipes are placed in the sliding seat and the fixed seat respectively, the two opposite ends of the steel pipes are clamped by the clamping assembly, the sliding seat is controlled to move towards the fixed seat by the driving assembly, so that the left and right steel pipes are aligned and fitted, the mounting seat is moved, the fixed assembly is controlled to be located at the connection of the steel pipes, then the two opposite ends of the steel pipes are clamped by the fixed assembly, the clamping and fixing of the left and right ends and the two sides of the welding position of the steel pipes are realized, then welding is performed at the connection of the steel pipes, and the welding quality is effectively improved.

[0008] The utility model further provides: the fixed assembly includes the clamping plate group that symmetrically set in the both sides of steel pipe, be provided with the control assembly of control clamping plate group mutually close to the both sides of two steel pipes of clamping on the mounting seat.

[0009] The utility model further provides: the clamping plate group includes two clamping plates on the same side of two steel pipes, two clamping plates are symmetrically set, and the contact position of the clamping plate and the steel pipe is arc-shaped.

[0010] By adopting the technical scheme, the four clamping plates are fully clamped and fixed on the left and right ends and the two sides of the welding position, which can effectively ensure that the steel pipe does not shift during welding, thereby affecting the machining precision.

[0011] The utility model further provides: the control assembly includes the fixed plate of fixed connection in the mounting seat, the first connecting rod of hinged with clamping plate, the second connecting rod of hinged in the first connecting rod far from clamping plate one end and the third connecting rod of hinged in the second connecting rod far from the first connecting rod one end, the third connecting rod far from the one end of second connecting rod and fixed plate hinged, clamping plate and fixed plate sliding connection, two connecting pieces of sliding connection are set on the fixed plate along the vertical steel pipe direction, two connecting pieces are symmetrically set along the axial direction of two steel pipes, the connecting piece is hinged with two second connecting rods respectively on the same side of two steel pipes, the connecting piece and the second connecting rod are connected at the center of the second connecting rod, the one end of the connecting piece far from the second connecting rod is hinged with the fourth connecting rod, the fixed plate is fixedly connected with the drive cylinder, the drive cylinder is arranged in parallel with the steel pipe, the output end of the drive cylinder is fixedly connected with the drive plate, and the one end of the fourth connecting rod far from the connecting piece is hinged with the drive plate.

[0012] By adopting the technical scheme, the drive cylinder controls the movement of the drive plate, the connecting pieces are controlled to move towards each other through the two fourth connecting rods, the connecting pieces control the synchronous reverse movement of the first connecting rod and the third connecting rod at both ends of the second connecting rod through the second connecting rod, so as to control the clamping plate group to move towards each other and clamp and fix the welding position of the two steel pipes, and the welding positioning is completed.

[0013] The utility model discloses further provide: fixedly connected with the guide rod on the clamping plate, the guide rod is perpendicular to the steel pipe setting, the guide rod and mounting base slidingly connected.

[0014] Through adopting the above technical scheme, the guide rod provides the limiting and guiding effect for the movement of the clamping plate.

[0015] The utility model discloses further provide: the clamping assembly includes respectively setting on the sliding seat and fixed seat's rotating ring, the rotating ring is provided with the clamping plate along the diametric direction symmetry, the rotating ring is provided with the clamping cylinder symmetry, clamping cylinder output and clamping plate fixed connection.

[0016] Through adopting the above technical scheme, the clamping cylinder controls two clamping plates to be close to each other, thereby clamping the apart end of the steel pipe, avoids the steel pipe to sway, influences the welding processing quality.

[0017] The utility model discloses further provide: the clamping plate is arc.

[0018] Through adopting the above technical scheme, better fit the shape of the steel pipe.

[0019] The utility model discloses further provide: the drive assembly includes with the first screw rod of base rotating connection, the sliding seat bottom is connected with the first screw rod thread, the first screw rod end fixed connection has the first motor.

[0020] Through adopting the above technical scheme, through the first motor control first screw rod rotation, and then adjust the distance between sliding seat and fixed seat, make left and right part steel pipe alignment fit, be convenient for according to the length of steel pipe adjustment, the steel pipe is conveniently and quickly aligned, further realizes the positioning, and be convenient for the welding of steel pipe.

[0021] The utility model discloses further provide: the second screw rod is rotated and is connected on the base, the second screw rod is set up in parallel with the first screw rod, the mounting seat bottom is connected with the second screw rod thread, the second screw rod end fixed connection has the second motor, the base is set up and is connected with the first screw rod parallelly of the slide groove, the sliding seat and mounting seat all with slide groove slidingly connected.

[0022] Through adopting the above technical scheme, after guaranteeing that the steel pipe welding position is aligned and fits under the action of the clamping assembly, starts the second motor, controls the second screw rod rotation, controls the mounting seat to move to the steel pipe welding place, guarantees that the steel pipe welding place is located between two clamping plates on the same side.

[0023] The utility model discloses further provide: the second screw rod passes through the sliding seat and the sliding seat is connected with the second screw rod slidingly, the first screw rod passes through the mounting seat and the mounting seat is connected with the first screw rod slidingly.

[0024] By adopting the technical scheme, when the first screw controls the movement of the sliding seat, the second screw provides a guiding and limiting action for the sliding seat; when the second screw controls the movement of the mounting seat, the first screw provides a guiding and limiting action for the mounting seat.

[0025] The utility model discloses beneficial effect is:

[0026] 1, the utility model discloses when using, places the steel pipe respectively in the sliding seat and fixed seat, carries out clamping to two steel pipes opposite ends through the clamping subassembly, and the drive subassembly controls the sliding seat and moves to the fixed seat direction, thereby making left and right part steel pipe alignment and fit, realizes the positioning of steel pipe, and moves the mounting seat, and control fixed subassembly is located steel pipe junction, then fixed subassembly carries out clamping to two steel pipes opposite ends, has realized to the clamping fixed of left and right two ends and both sides at steel pipe welding position, further realizes the positioning of steel pipe, then carries out welding at steel pipe junction, effectively improves the welding quality.

[0027] 2, the utility model discloses in fixed subassembly, drive cylinder controls drive board movement, and through two fourth connecting rods control connecting piece and approach each other, and connecting piece passes through second connecting rod control and is located at the synchronous reverse movement of first connecting rod and third connecting rod two ends of second connecting rod, thereby control clamping board group and approach each other to the clamping fixed of two steel pipes welding position, completes the welding positioning, effectively avoids the situation that the opposite end of steel pipe deviates. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will briefly introduce the drawing needed to be used in the embodiment description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0029] Figure 1 It is the structure schematic diagram of the utility model.

[0030] Figure 2 It is Figure 1 The structure enlarged schematic diagram in A place in it.

[0031] Figure 3 It is the bottom structure schematic diagram of control assembly of the utility model.

[0032] Figure 4 It is the overhead structure schematic diagram of the utility model.

[0033] In the figure, 1, base; 2, fixed seat; 3, sliding seat; 4, clamping assembly; 41, rotating ring; 42, clamping plate; 43, clamping cylinder; 5, drive assembly; 51, first screw; 52, first motor; 6, mounting seat; 7, fixing assembly; 71, clamping plate; 72, control assembly; 721, fixed plate; 722, first connecting rod; 723, second connecting rod; 724, third connecting rod; 725, connecting piece; 726, fourth connecting rod; 727, drive cylinder; 728, drive plate; 729, guide rod; 8, second screw; 9, second motor; 10, sliding groove. DETAILED DESCRIPTION

[0034] The technical solutions of the utility model will be described clearly and completely in combination with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0035] Embodiment, please refer to Figures 1-4 A positioning device for welding, comprising a base 1, one end of the base 1 is fixedly connected with a fixed seat 2, the end, away from the fixed seat 2, of the base 1 is provided with a sliding seat 3, the fixed seat 2 and the sliding seat 3 are symmetrically arranged, the sliding seat 3 is slidably connected with the base 1, the base 1 is provided with a drive assembly 5 for controlling the sliding seat 3 to move towards the fixed seat 2, the fixed seat 2 and the sliding seat 3 are both provided with a clamping assembly 4 for fixing the end of a steel pipe, a mounting seat 6 is arranged between the fixed seat 2 and the sliding seat 3, the mounting seat 6 is slidably connected with the base 1, the mounting seat 6 is provided with a fixing assembly 7 for fixing the opposite ends of two steel pipes, the steel pipes are respectively placed in the sliding seat 3 and the fixed seat 2, the opposite ends of the two steel pipes are clamped by the clamping assembly 4, the drive assembly 5 controls the sliding seat 3 to move towards the fixed seat 2, so that the left and right steel pipes are aligned and fitted, the mounting seat 6 is moved, the fixing assembly 7 is controlled to be located at the connection of the steel pipes, then the fixing assembly 7 clamps the opposite ends of the two steel pipes, the clamping and fixing of the left and right ends and the two sides of the steel pipes at the welding position are realized, then the steel pipes are welded at the connection, and the welding quality is effectively improved.

[0036] Further, the fixing assembly 7 comprises a clamping plate 71 group symmetrically arranged on both sides of the steel pipe, and the mounting seat 6 is provided with a control assembly 72 for controlling the clamping plate 71 group to move close to each other to clamp the opposite ends of the two steel pipes. The clamping plate 71 group comprises two clamping plates 71 located on the same side of the two steel pipes, and the two clamping plates 71 are symmetrically arranged. The contact position of the clamping plate 71 with the steel pipe is arc-shaped. The control assembly 72 comprises a fixed plate 721 fixedly connected to the mounting seat 6, a first connecting rod 722 hinged to the clamping plate 71, a second connecting rod 723 hinged to one end of the first connecting rod 722 away from the clamping plate 71, and a third connecting rod 724 hinged to one end of the second connecting rod 723 away from the first connecting rod 722. The other end of the third connecting rod 724 away from the second connecting rod 723 is hinged to the fixed plate 721. The clamping plate 71 is slidingly connected to the fixed plate 721. Two connecting pieces 725 are slidingly connected to the fixed plate 721 in the direction perpendicular to the steel pipe. The two connecting pieces 725 are symmetrically arranged in the axial direction of the two steel pipes. The connecting piece 725 is hinged to the two second connecting rods 723 located on the same side of the two steel pipes, respectively. The connecting position of the connecting piece 725 and the second connecting rod 723 is located at the center of the second connecting rod 723. The one end of the connecting piece 725 away from the second connecting rod 723 is hinged to a fourth connecting rod 726. A drive cylinder 727 is fixedly connected to the fixed plate 721. The drive cylinder 727 is parallel to the steel pipe. The output end of the drive cylinder 727 is fixedly connected to a drive plate 728. The other end of the two fourth connecting rods 726 away from the connecting piece 725 is hinged to the drive plate 728.

[0037] The four clamping plates 71 can fully clamp and fix the left and right ends of the welding position and the two sides, which can effectively ensure that the steel pipe will not be displaced during welding, thereby affecting the machining precision. The drive cylinder 727 controls the movement of the drive plate 728. The two fourth connecting rods 726 control the connecting pieces 725 to move close to each other. The connecting piece 725 controls the first connecting rod 722 and the third connecting rod 724 located at both ends of the second connecting rod 723 to move synchronously and reversely through the second connecting rod 723, so as to control the clamping plate 71 group to move close to each other to clamp and fix the welding position of the two steel pipes, thereby completing the welding positioning.

[0038] Further, the clamping plate 71 is fixedly connected to a guide rod 729. The guide rod 729 is perpendicular to the steel pipe. The guide rod 729 is slidingly connected to the mounting seat 6. The guide rod 729 provides a limiting and guiding effect for the movement of the clamping plate 71.

[0039] Further, the clamping assembly 4 comprises rotating rings 41 arranged on the sliding seat 3 and the fixed seat 2, respectively. The rotating rings 41 are symmetrically provided with clamping plates 42 in the diameter direction. The clamping plates 42 are arc-shaped. The rotating rings 41 are symmetrically provided with clamping cylinders 43. The output end of the clamping cylinder 43 is fixedly connected to the clamping plate 42. The clamping cylinder 43 controls the two clamping plates 42 to move close to each other, thereby clamping the opposite ends of the steel pipe, avoiding the shaking of the steel pipe, and affecting the welding machining quality.

[0040] Further, the driving assembly 5 comprises a first screw rod 51 rotationally connected with the base 1, the bottom of the sliding seat 3 is threadedly connected with the first screw rod 51, and the first motor 52 is fixedly connected with the end of the first screw rod 51; the rotation of the first screw rod 51 is controlled by the first motor 52, thereby adjusting the distance between the sliding seat 3 and the fixed seat 2, so that the left and right steel pipes are aligned and fitted, and the length of the steel pipe is adjusted, the steel pipes are quickly aligned, the positioning is further realized, and the welding of the steel pipes is facilitated.

[0041] Further, the second screw rod 8 is rotationally connected with the base 1 and is parallel to the first screw rod 51, the bottom of the mounting seat 6 is threadedly connected with the second screw rod 8, and the second motor 9 is fixedly connected with the end of the second screw rod 8; the sliding groove 10 parallel to the first screw rod 51 is formed in the base 1, and the sliding seat 3 and the mounting seat 6 are slidably connected with the sliding groove 10; after the steel pipes are aligned and fitted under the action of the clamping assembly 4, the second motor 9 is started to control the rotation of the second screw rod 8, the mounting seat 6 is moved to the welding position of the steel pipes, and the welding position of the steel pipes is ensured to be located between the two clamping plates 71 on the same side.

[0042] Further, the second screw rod 8 penetrates through the sliding seat 3 and is slidably connected with the sliding seat 3, and the first screw rod 51 penetrates through the mounting seat 6 and is slidably connected with the mounting seat 6; when the sliding seat 3 is moved by the first screw rod 51, the second screw rod 8 provides a guiding and limiting action for the sliding seat 3; when the mounting seat 6 is moved by the second screw rod 8, the first screw rod 51 provides a guiding and limiting action for the mounting seat 6.

[0043] The working principle of the utility model is as follows:

[0044] The clamping cylinder 43 controls the two clamping plates 42 to approach each other, thereby clamping the two steel pipes respectively; the first motor 52 controls the rotation of the first screw rod 51, thereby adjusting the distance between the sliding seat 3 and the fixed seat 2, so that the left and right steel pipes are aligned and fitted; the second motor 9 controls the rotation of the second screw rod 8, controls the mounting seat 6 to move to the welding position of the steel pipes, and ensures that the welding position of the steel pipes is located between the two clamping plates 71 on the same side; the driving cylinder 727 controls the movement of the driving plate 728, the connecting piece 725 is controlled to approach each other by the two fourth connecting rods 726, the connecting piece 725 controls the first connecting rod 722 and the third connecting rod 724 located at the two ends of the second connecting rod 723 to synchronously and reversely move by the second connecting rod 723, thereby controlling the clamping plate 71 group to approach each other and clamp and fix the two steel pipe welding positions, welding positioning is completed, and the welding quality is effectively improved; when rotation is needed, the clamping plate 71 group moves away from each other, the rotating ring 41 is directly rotated, the steel pipes are driven to rotate, and the position of the welding joint is adjusted.

[0045] The contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0046] Finally, it should be noted that the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included within the scope of the present application.

Claims

1. A positioning device for welding, comprising a base (1), characterised in that: The base (1) is fixedly connected with a fixed seat (2), and the base (1) is provided with a sliding seat (3) away from the fixed seat (2), the fixed seat (2) and the sliding seat (3) are symmetrically arranged, the sliding seat (3) is slidably connected with the base (1), the base (1) is provided with a driving assembly (5) for controlling the sliding seat (3) to move towards the fixed seat (2), the fixed seat (2) and the sliding seat (3) are provided with clamping assemblies (4) for fixing the end of the steel pipe, and the fixed seat (2) and the sliding seat (3) are provided with a mounting seat (6), the mounting seat (6) is slidably connected with the base (1), and the mounting seat (6) is provided with a fixing assembly (7) for fixing the opposite ends of the two steel pipes.

2. A positioning device for welding as claimed in claim 1, characterized in that: The fixing assembly (7) comprises a clamping plate (71) group symmetrically arranged on both sides of the steel pipe, and the mounting seat (6) is provided with a control assembly (72) for controlling the clamping plates (71) to be close to each other to clamp the opposite ends of the two steel pipes.

3. A positioning device for welding according to claim 2, characterized in that: The clamping plate (71) group comprises two clamping plates (71) located on the same side of the two steel pipes, and the two clamping plates (71) are symmetrically arranged, and the contact position of the clamping plate (71) with the steel pipe is arc-shaped.

4. A positioning device for welding according to claim 3, characterized in that: The control assembly (72) comprises a fixed plate (721) fixedly connected to the mounting seat (6), a first connecting rod (722) hinged to the clamping plate (71), a second connecting rod (723) hinged to one end of the first connecting rod (722) away from the clamping plate (71), and a third connecting rod (724) hinged to one end of the second connecting rod (723) away from the first connecting rod (722), one end of the third connecting rod (724) away from the second connecting rod (723) is hinged to the fixed plate (721), the clamping plate (71) is slidably connected with the fixed plate (721), two connecting pieces (725) are slidably connected to the fixed plate (721) in the direction perpendicular to the steel pipe, the two connecting pieces (725) are symmetrically arranged along the axial direction of the two steel pipes, the connecting piece (725) is hinged to the two second connecting rods (723) located on the same side of the two steel pipes, respectively, the connecting piece (725) is connected to the second connecting rod (723) at the center of the second connecting rod (723), one end of the connecting piece (725) away from the second connecting rod (723) is hinged to a fourth connecting rod (726), the fixed plate (721) is fixedly connected with a driving cylinder (727), the driving cylinder (727) is arranged parallel to the steel pipe, the output end of the driving cylinder (727) is fixedly connected with a driving plate (728), and two fourth connecting rods (726) are hinged to the driving plate (728) at one end away from the connecting piece (725).

5. A positioning device for welding according to claim 4, characterized in that: The clamping plate (71) is fixedly connected with a guide rod (729), and the guide rod (729) is arranged perpendicular to the steel pipe and slidably connected with the mounting seat (6).

6. A positioning device for welding according to claim 1, characterized in that: The clamping assembly (4) comprises rotating rings (41) arranged on the sliding seat (3) and the fixed seat (2) respectively, the rotating rings (41) are symmetrically provided with clamping plates (42) in the diametric direction, the rotating rings (41) are symmetrically provided with clamping cylinders (43), and the output ends of the clamping cylinders (43) are fixedly connected with the clamping plates (42).

7. A positioning device for welding according to claim 6, characterized in that: The clamping plate (42) is arc-shaped.

8. The positioning device for welding according to claim 1, wherein: The driving assembly (5) comprises a first screw rod (51) rotationally connected with the base (1), the bottom of the sliding seat (3) is threadedly connected with the first screw rod (51), and the end of the first screw rod (51) is fixedly connected with a first motor (52).

9. A positioning device for welding according to claim 8, characterized in that: The base (1) is rotationally connected with a second screw rod (8), the second screw rod (8) is arranged in parallel with the first screw rod (51), the bottom of the mounting seat (6) is threadedly connected with the second screw rod (8), the end of the second screw rod (8) is fixedly connected with a second motor (9), the base (1) is provided with a sliding groove (10) arranged in parallel with the first screw rod (51), and the sliding seat (3) and the mounting seat (6) are slidably connected with the sliding groove (10).

10. A positioning device for welding according to claim 9, characterized in that: The second screw rod (8) penetrates the sliding seat (3) and is slidably connected with the second screw rod (8), and the first screw rod (51) penetrates the mounting seat (6) and is slidably connected with the first screw rod (51).

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