Welding device for high railway base metal component

Abstract

The utility model belongs to the technical field of metal part welding, and particularly relates to a welding device for a high railway base metal component, which comprises two workbenches which are symmetrically distributed and provided with V-shaped grooves, and further comprises an alignment mechanism and a welding mechanism, the welding mechanism comprises a fixing frame, a first fixing plate, a first electric push rod, a mounting plate and a laser welding head fixed to the mounting plate, and a piston rod of the first electric push rod penetrates through the first fixing plate and then is fixedly connected with the mounting plate; the driving mechanism is connected to the welding mechanism in a drivable mode and used for driving the welding mechanism to do circular motion. According to the utility model, the driving mechanism is used for driving the welding mechanism to do circular motion, the metal piece is placed in the V-shaped groove and does not need to rotate, all-directional welding is carried out on the metal piece through the welding mechanism, the stability is high, the device is suitable for metal pieces of various specifications, and welding of special-shaped components can also be completed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to metal piece welding technical field, concretely relates to a welding device of high railway foundation metal component. BACKGROUND

[0002] The roadbed is the basis of the track or the pavement, and is a soil engineering structure formed by excavation or filling. The main role of the roadbed is to provide necessary conditions for track or pavement laying and train or vehicle operation, and to bear the static load and dynamic load of the track and vehicle or the pavement and traffic load, and simultaneously transmit and diffuse the load to the deep foundation. On the longitudinal section, the roadbed must ensure the elevation required by the line; on the plane, the roadbed and the bridge and the tunnel are connected to form an integrated and continuous line.

[0003] Many metal components are needed in the process of railway roadbed construction, and the metal components need to be welded before being put into use in the roadbed construction.

[0004] The metal component welding in the prior art can be accurately adjusted, but the metal component needs to be rotated during the welding process, which can meet the general welding operation, but the two metal components to be welded must have the same rotating speed and need to be synchronously rotated, which is difficult to control, and the shaking of the metal component caused by external factors also affects the welding quality.

[0005] To solve the above problems, a welding device of high railway foundation metal component is provided in the present application. CONTENT OF THE UTILITY MODEL

[0006] To solve the above problems in the prior art, the utility model provides a welding device of high railway foundation metal component, which has the characteristics of convenient use and high welding quality.

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a welding device of high railway foundation metal component, comprising a workbench, two workbenches are symmetrically distributed, and a V-shaped groove is arranged on the workbench, and further comprising:

[0008] The alignment mechanism is fixed on the two workbenches, and is used for clamping the metal component to be welded.

[0009] The welding mechanism comprises a fixing frame, a No. 1 fixing plate fixed on the fixing frame, a No. 1 electric push rod fixed on the No. 1 fixing plate, a mounting plate and a laser welding head fixed on the mounting plate, and the piston rod of the No. 1 electric push rod is fixedly connected with the mounting plate after penetrating through the No. 1 fixing plate.

[0010] The driving mechanism is drivingly connected to the welding mechanism, and is used for driving the welding mechanism to make circular motion.

[0011] As a preferred technical scheme of the utility model, the driving mechanism comprises:

[0012] The circular guide rail is connected to the workbench, and each end of the circular guide rail has a guide sliding slot;

[0013] The gear ring is fixed to the end of the circular guide rail, and the gear ring is coaxial with the circular guide rail;

[0014] The driving gear is rotatably installed on the fixed frame and engaged with the gear ring;

[0015] The driving motor is fixed on the fixed frame for driving the driving gear to rotate;

[0016] The two groups of rollers are symmetrically installed on the fixed frame and embedded in the corresponding guide sliding slots.

[0017] As a preferred technical scheme of the utility model, the fine adjustment mechanism further comprises:

[0018] The moving block is fixed in the circular guide rail by the fixed rod;

[0019] The second fixed plate is fixed on the workbench;

[0020] The second electric push rod is fixed on the second fixed plate, and the piston rod of the second electric push rod is fixedly connected with the moving block after penetrating through the second fixed plate.

[0021] As a preferred technical scheme of the utility model, the fine adjustment mechanism further comprises:

[0022] The two guide rods are symmetrically fixed on the moving block and penetrate through the second fixed plate.

[0023] As a preferred technical scheme of the utility model, the fine adjustment mechanism further comprises:

[0024] The two limiting clamping plates are symmetrically fixed on the workbench, the moving block is located in the inner space of the two limiting clamping plates, and the vertical height of the moving block is equal to the interval of the two limiting clamping plates.

[0025] As a preferred technical scheme of the utility model, the alignment mechanism comprises:

[0026] The support rod is fixed to the bottom surface of the workbench;

[0027] The third fixing plate is fixed on the supporting rod;

[0028] The adjusting screw is installed on the third fixing plate in a threaded manner, and the end of the adjusting screw is rotatably connected with the positioning disc through a bearing after penetrating through the third fixing plate.

[0029] As a preferred technical scheme of the utility model, the alignment mechanism further comprises:

[0030] The handle is fixed to the end of the adjusting screw away from the positioning disc.

[0031] Compared with the prior art, the utility model has the beneficial effects that:

[0032] In the utility model, the welding mechanism is driven to do the circumferential motion through the driving mechanism, the metal piece is placed in the V-shaped groove without rotating, the metal piece is welded in all directions through the welding mechanism, the stability is high, and the welding mechanism is suitable for metal components of various specifications and can also complete the welding of special-shaped components, so that the application range is wide.

[0033] Other additional advantages and beneficial effects of the present application will be partially given in the following description, partially will become obvious from the following description, or will be known by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0034] The accompanying drawings are used to provide further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0035] Figure 1 It is the structural schematic diagram of the utility model;

[0036] Figure 2 It is the driving mechanism amplification structure schematic diagram in the utility model Figure 1 ;

[0037] Figure 3 It is the fine adjustment mechanism amplification structure schematic diagram in the utility model Figure 1 ;

[0038] In the figure: 1, workbench; 11, V-shaped groove; 2, welding mechanism; 21, fixed frame; 22, No. 1 fixed plate; 23, mounting plate; 24, No. 1 electric push rod; 25, laser welding head; 3, driving mechanism; 31, circular ring guide rail; 311, guide chute; 32, gear ring; 33, driving gear; 34, driving motor; 35, roller; 4, fine adjustment mechanism; 41, moving block; 42, fixed rod; 43, No. 2 fixed plate; 44, No. 2 electric push rod; 45, guide rod; 46, limit clamp plate; 5, alignment mechanism; 51, support rod; 52, No. 3 fixed plate; 53, positioning disc; 54, adjusting screw; 55, handle. DETAILED DESCRIPTION

[0039] 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.

[0040] Please refer to Figures 1-3 The utility model provides the following technical scheme: a welding device for high-speed railway metal components, comprising a workbench 1, two workbenches 1 are symmetrically distributed, and there is a V-shaped groove 11 on the workbench 1, further comprising: alignment mechanism 5, welding mechanism 2 and driving mechanism 3.

[0041] Further, as shown in Figure 1 and Figure 2 In the embodiment, alignment mechanism 5 is fixed on the two workbenches 1, which is used for clamping the metal pieces to be welded, welding mechanism 2 comprises fixed frame 21, No. 1 fixed plate 22 fixed on fixed frame 21, No. 1 electric push rod 24 fixed on No. 1 fixed plate 22, mounting plate 23 and laser welding head 25 fixed on mounting plate 23, the piston rod of No. 1 electric push rod 24 is fixedly connected with mounting plate 23 after penetrating through No. 1 fixed plate 22, driving mechanism 3 is drivingly connected with welding mechanism 2, which is used for driving welding mechanism 2 to do circular motion, after using the above scheme, the metal pieces to be welded are placed in V-shaped groove 11, then the metal pieces to be welded are clamped by alignment mechanism 5, so that the two metal pieces are butt jointed, and the butt joint position of the two metal pieces is above the inner side gap of the two workbenches 1, corresponding to the welding position, then No. 1 electric push rod 24 is started to adjust the position of laser welding head 25, so that laser welding head 25 is close to the welding position of the metal piece, then driving mechanism 3 is started to drive welding mechanism 2 to do circular motion, and the metal piece is welded in all directions by welding mechanism 2, which has high stability and is suitable for metal pieces of various specifications, and can also complete the welding of special-shaped components, so the application range is wide.

[0042] Optionally, by Figure 1 and Figure 2 As shown in the embodiment, the driving mechanism 3 comprises a circular guide rail 31, a gear ring 32, a driving gear 33, a driving motor 34 and two rollers 35, the circular guide rail 31 is connected to the workbench 1 and has a guide chute 311 at both ends of the circular guide rail 31, the gear ring 32 is fixed to the end of the circular guide rail 31 and coaxial with the circular guide rail 31, the driving gear 33 is rotatably installed on the fixed frame 21 and engaged with the gear ring 32, the driving motor 34 is fixed on the fixed frame 21 for driving the driving gear 33 to rotate, and the two rollers 35 are symmetrically installed on the fixed frame 21 and embedded in the corresponding guide chute 311, after the above scheme is adopted, the driving motor 34 is started to drive the driving gear 33 to rotate, under the engagement, the driving gear 33 drives the fixed frame 21 to make a circular motion while rotating, and the two rollers 35 roll along the guide chute 311, thereby ensuring the stability of the fixed frame 21.

[0043] Preferably, by Figure 1 and Figure 3 As shown in the embodiment, the fine adjustment mechanism 4 further comprises a moving block 41, a second fixed plate 43 and a second electric push rod 44, the moving block 41 is fixed in the circular guide rail 31 by a fixed rod 42, the second fixed plate 43 is fixed on the workbench 1, the second electric push rod 44 is fixed on the second fixed plate 43, and the piston rod of the second electric push rod 44 is fixedly connected with the moving block 41 after penetrating through the second fixed plate 43, after the above scheme is adopted, the second electric push rod 44 is started to fine adjust the position of the circular guide rail 31, so as to fine adjust the position of the welding mechanism 2, thereby ensuring that the welding mechanism 2 reliably corresponds to the welding position of the metal piece.

[0044] It should be noted that the utility model has two fine adjustment mechanisms 4, which simultaneously drive the circular guide rail 31 to move from both sides, and the stability is high.

[0045] Preferably, by Figure 1 and Figure 3 As shown in the embodiment, the fine adjustment mechanism 4 further comprises a guide rod 45, the two guide rods 45 are symmetrically fixed on the moving block 41 and penetrate through the second fixed plate 43, the guide rod 45 is arranged to guide the circular guide rail 31, thereby ensuring the stability of the circular guide rail 31.

[0046] Preferably, by Figure 1 and Figure 3As shown in the embodiment, the fine adjustment mechanism 4 further comprises two limiting clamping plates 46, which are symmetrically fixed on the workbench 1, the moving block 41 is located in the inner space of the two limiting clamping plates 46, and the vertical height of the moving block 41 is equal to the interval of the two limiting clamping plates 46, so that the position of the moving block 41 is limited, thereby limiting the position of the circular ring guide rail 31, further improving the stability of the circular ring guide rail 31, and avoiding shaking of the circular ring guide rail 31.

[0047] Optionally, the welding device further comprises a positioning mechanism 5, Figure 1 As shown in the embodiment, the positioning mechanism 5 comprises a supporting rod 51, a No. 3 fixed plate 52 and an adjusting screw 54, the supporting rod 51 is fixed on the bottom surface of the workbench 1, the No. 3 fixed plate 52 is fixed on the supporting rod 51, and the adjusting screw 54 is installed on the No. 3 fixed plate 52 in a threaded screwing manner, and the end of the adjusting screw 54 is rotatably connected to the positioning disc 53 through a bearing after penetrating through the No. 3 fixed plate 52. After the above scheme is adopted, the adjusting screw 54 is rotated to drive the positioning disc 53 to move under the threaded screwing action, and the two positioning discs 53 on the two sides clamp the metal piece, so that the position of the positioning disc 53 does not need to be adjusted again when the metal pieces of the same batch are welded subsequently, and the metal pieces can be directly placed in the V-shaped groove 11.

[0048] Preferably, the welding device further comprises a positioning mechanism 5, Figure 1 As shown in the embodiment, the positioning mechanism 5 further comprises a handle 55, which is fixed to the end of the adjusting screw 54 away from the positioning disc 53, and the handle 55 is easy to rotate the adjusting screw 54.

[0049] It should be noted that the No. 1 electric push rod 24, the driving motor 34 and the No. 2 electric push rod 44 are all conventional devices purchased on the market, and the built-in power switch can be selected by a person skilled in the art according to the use requirement, the working principle thereof is a common knowledge of a person skilled in the art and has been fully disclosed by the prior art, and therefore will not be described in detail herein.

[0050] The circuit connection of the utility model relates to a common means adopted by a person skilled in the art, and can be obtained by a limited number of tests, which belongs to the prior art.

[0051] The components not described in detail herein are the prior art.

[0052] The working principle and use process of the utility model are as follows: when the welding device is used, the metal pieces to be welded are placed in the V-shaped groove 11, the adjusting screw 54 is rotated to drive the positioning disc 53 to move under the threaded screwing action, the two positioning discs 53 on the two sides clamp the metal pieces, the two metal pieces are butt-jointed, and the position of the positioning disc 53 does not need to be adjusted again when the metal pieces of the same batch are welded subsequently, and the metal pieces can be directly placed in the V-shaped groove 11.

[0053] The position of the butt joint of the two metal pieces is above the gap between the two worktables 1, corresponding to the welding position, then the first electric push rod 24 is started to adjust the position of the laser welding head 25, so that the laser welding head 25 is close to the welding position of the metal piece, then the driving motor 34 is started to drive the driving gear 33 to rotate, under the meshing effect, the driving gear 33 rotates while driving the fixed frame 21 to do the circular motion, the two groups of rollers 35 roll along the guide sliding groove 311, and the metal piece is welded by the laser welding head 25 in all directions, the stability is high, and it is suitable for metal pieces of various specifications, and can also complete the welding of special-shaped components, and the application range is wide.

[0054] 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 are 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. within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A welding apparatus for high-speed railway subgrade metal components, comprising two worktables (1) symmetrically distributed, and each worktable (1) having a V-groove (11), characterized in that, Also includes: Alignment mechanism (5), which is fixed on both worktables (1) for clamping the metal parts to be welded; Welding mechanism (2), the welding mechanism (2) includes a fixed frame (21), a first fixed plate (22) fixed on the fixed frame (21), a first electric push rod (24) fixed on the first fixed plate (22), a mounting plate (23), and a laser welding head (25) fixed on the mounting plate (23). The piston rod of the first electric push rod (24) passes through the first fixed plate (22) and is fixedly connected to the mounting plate (23). A drive mechanism (3) is drivably connected to the welding mechanism (2) and is used to drive the welding mechanism (2) to perform circular motion.

2. The welding device for high-speed railway subgrade metal components according to claim 1, characterized in that: The drive mechanism (3) includes: A circular guide rail (31) is connected to the worktable (1), and both ends of the circular guide rail (31) have guide grooves (311). A gear ring (32) is fixed to the end of the annular guide rail (31), and the gear ring (32) is coaxial with the annular guide rail (31). A drive gear (33) is rotatably mounted on the fixed frame (21) and meshes with the gear ring (32); A drive motor (34) is fixed on the fixed frame (21) for driving the drive gear (33) to rotate; Rollers (35), two sets of rollers (35) are symmetrically mounted on the fixed frame (21) and embedded in the corresponding guide grooves (311).

3. The welding device for high-speed railway subgrade metal components according to claim 2, characterized in that: It also includes a fine-tuning mechanism (4), and the fine-tuning mechanism (4) includes: The movable block (41) is fixed inside the annular guide rail (31) by means of a fixing rod (42); Second fixing plate (43), which is fixed on the workbench (1); The second electric push rod (44) is fixed on the second fixed plate (43), and the piston rod of the second electric push rod (44) passes through the second fixed plate (43) and is fixedly connected to the moving block (41).

4. The welding device for high-speed railway subgrade metal components according to claim 3, characterized in that: The fine-tuning mechanism (4) also includes: Guide rods (45), two of the guide rods (45) are symmetrically fixed on the moving block (41) and pass through the second fixing plate (43).

5. The welding device for high-speed railway subgrade metal components according to claim 3, characterized in that: The fine-tuning mechanism (4) also includes: Limiting clamps (46), two limiting clamps (46) are symmetrically fixed on the worktable (1), the moving block (41) is located in the inner space of the two limiting clamps (46), and the vertical height of the moving block (41) is equal to the interval between the two limiting clamps (46).

6. The welding device for high-speed railway subgrade metal components according to claim 1, characterized in that: The alignment mechanism (5) includes: Support rod (51), the support rod (51) is fixed to the bottom surface of the workbench (1); The third fixing plate (52) is fixed on the support rod (51); Adjusting screw (54) is installed on the third fixing plate (52) by thread engagement, and the end of the adjusting screw (54) passes through the third fixing plate (52) and is rotatably connected to the positioning plate (53) by bearing.

7. The welding device for high-speed railway subgrade metal components according to claim 6, characterized in that: The alignment mechanism (5) further includes: A handle (55) is fixed to the end of the adjusting screw (54) away from the positioning plate (53).

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