Metal sleeve butt joint mechanism and welding device thereof

Abstract

The utility model discloses a metal sleeve butt joint mechanism which comprises a movable base, and a lifting welding gun head moving vertically is arranged in the middle of the movable base through a connecting frame. Bearing assemblies are arranged at the two ends of the movable base correspondingly, a rotary connecting mechanism is arranged between the multiple bearing assemblies, and the connecting mechanism comprises arc-shaped blocks which rotate to the tops of the bearing assemblies; gear assemblies are arranged at the two ends of the multiple connecting rods, and driving mechanisms used for rotation of the multiple connecting rods are arranged at the bottoms of the gear assemblies; the locking assembly is used for pressing and limiting the metal sleeve; and the connecting block rotates at the top of the arc-shaped block through the hinge. By means of the arrangement mode that the bearing assembly and the connecting mechanism are matched, the gear assembly and the driving mechanism are utilized, two metal sleeves can be in butt joint conveniently and rotate stably, the lifting welding gun head capable of moving up and down can conduct stable welding on the metal sleeves in butt joint conveniently, welding deviation is reduced, and welding stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sleeve butt joint welding technical field especially relates to a kind of metal sleeve butt joint mechanism and its welding device. BACKGROUND

[0002] With the rapid development of high-quality metal product production and the progress of welding technology, the weld quality is continuously improved, and welding is also called fusion welding, which is a manufacturing process and technology that joins metal or other thermoplastic materials such as plastic by heating, high temperature or high pressure. Due to the characteristics of metal sleeve during production and transportation, the length of metal sleeve is limited, but when using metal sleeve, metal sleeve needs to be lengthened and welded.

[0003] When the existing metal sleeve is welded, two metal sleeves need to be butt jointed, so that the opposite ends of the two metal sleeves can be ring spot welded. However, the butt joint mechanism of the existing metal sleeve generally uses two locking pieces to fix two metal sleeves respectively, and then rotates the two metal sleeves synchronously through a rotating structure or manually. Since the connectivity between the rotating structure and the two locking pieces or the butt jointed metal sleeves is not high, the rotation of the two metal sleeves is out of sync, which can cause deviation in the butt joint position of the metal sleeve and affect the stability of the metal sleeve welding. SUMMARY

[0004] The utility model aims at providing a kind of metal sleeve butt joint mechanism and its welding device to solve the problems raised in the above background.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of metal sleeve butt joint mechanism, comprising: mobile base, the middle part of the mobile base is provided with vertically moving lifting welding torch head by connecting frame;

[0006] Both ends of the mobile base are provided with bearing assembly, and a rotating connecting mechanism is arranged between the plurality of bearing assemblies, the connecting mechanism comprises:

[0007] A plurality of arc blocks are rotatable on the top of the bearing assembly.

[0008] A plurality of connecting rods are fixed between the two arc blocks, and gear assemblies are arranged at both ends of the plurality of connecting rods, and a driving mechanism for rotating the plurality of connecting rods is arranged at the bottom of the gear assemblies.

[0009] A plurality of locking assemblies are arranged above the arc blocks, and the locking assemblies are used for pressing and limiting the metal sleeve.

[0010] A connecting block is rotatable on the top of the arc block by a hinge.

[0011] Preferably, the locking assembly is fixed on the top of the plurality of connecting rods, and the gear assembly is arranged on one side of the locking assembly.

[0012] Preferably, the bearing assembly comprises:

[0013] a bearing block fixed on the end of the moving base;

[0014] a plurality of embedding grooves arranged on the top of the bearing block in an arc shape;

[0015] a plurality of rolling balls movably embedded in the inner cavities of the embedding grooves, and the arc-shaped block and the connecting block are connected with the inner cavities of the adjacent bearing blocks in a clockwise rolling manner.

[0016] Preferably, the locking assembly comprises:

[0017] a plurality of supporting rods, each of which is fixed on the end of the plurality of connecting rods;

[0018] a supporting plate fixed on the top of the plurality of supporting rods;

[0019] a threaded rod threadedly penetrating the middle portion of the supporting plate;

[0020] an arc-shaped plate rotatably penetrating the bottom of the threaded rod;

[0021] a rubber block fixed on the inner wall of the arc-shaped plate.

[0022] Preferably, the gear assembly comprises:

[0023] a plurality of fixed rods, each of which is fixed on both ends of the connecting rod;

[0024] a driving gear arranged on the end of the plurality of connecting rods, and the end of the adjacent two fixed rods is fixed on the inner wall of the driving gear, and the driving mechanism is arranged on the bottom of the plurality of driving gears.

[0025] Preferably, the driving mechanism comprises:

[0026] a rotating rod, both ends of which are rotatably connected with the bottom of the bearing block through bearings;

[0027] a plurality of rotating gears, each of which is fixedly penetrated on both ends of the rotating rod;

[0028] a servo motor arranged on one end of the rotating rod.

[0029] Preferably, the output end of the servo motor is in transmission connection with one end of the rotating rod, and the rotating gear is in meshing connection with the outer wall of the adjacent driving gear.

[0030] The utility model discloses another purpose at providing a kind of welding device, the welding device includes the metal sleeve butt joint mechanism of above-mentioned.

[0031] The utility model discloses technical effect and advantage:

[0032] The utility model discloses through the setting mode of bearing assembly, connecting mechanism cooperation, utilize gear assembly and drive mechanism, make it can rotate to multiple connecting rods, the position of metal sleeve between arc block and connecting block is fixed by locking assembly, make its metal sleeve position fixed, and by connecting rod, make the position of two arc blocks fixed, facilitate two metal sleeves can be relatively butt joint, and can be stably rotated between two bearing assemblies, facilitate the lifting welding torch head that can move up and down can be stably welded to butt joint metal sleeve, reduce the deviation of welding, improve the stability of welding. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 It is whole structure schematic diagram of the utility model.

[0034] Figure 2 It is whole structure schematic diagram of the utility model Figure 1 It is local amplification structure schematic diagram of A place in the utility model.

[0035] Figure 3 It is whole front cross section structure schematic diagram of the utility model.

[0036] In the drawing: 1, mobile base; 2, lifting welding torch head; 3, bearing assembly; 31, bearing block; 32, embedded slot; 33, ball; 4, connecting mechanism; 41, arc block; 42, connecting rod; 43, locking assembly; 431, support rod; 432, support plate; 433, threaded rod; 434, arc plate; 435, rubber block; 44, connecting block; 5, gear assembly; 51, fixed rod; 52, drive gear; 6, drive mechanism; 61, rotating rod; 62, rotating gear; 63, servo motor. DETAILED DESCRIPTION

[0037] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model, and 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 person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0038] The utility model provides as Figures 1-3The metal sleeve butt joint mechanism shown comprises a moving base 1, a vertically moving lifting welding torch head 2 is arranged in the middle of the moving base 1 through a connecting frame, the lifting welding torch head 2 can reciprocate vertically to move the welding torch head, so that the lifting welding torch head 2 can circular spot weld the rotating metal sleeve;

[0039] Further, the two ends of the moving base 1 are provided with bearing assemblies 3, the bearing assembly 3 comprises a bearing block 31, a plurality of embedded grooves 32 and a plurality of rolling balls 33, the bearing block 31 is fixed to the end of the moving base 1, the plurality of embedded grooves 32 are arc-shapedly arranged on the top of the bearing block 31, and the plurality of rolling balls 33 are movably embedded in the inner cavities of the embedded grooves 32; through the arrangement of the rolling balls 33, the friction damage of the inner wall of the bearing block 31 is reduced;

[0040] Further, a rotating connecting mechanism 4 is arranged between the plurality of bearing assemblies 3, the connecting mechanism 4 comprises a plurality of arc-shaped blocks 41, a plurality of connecting rods 42, a plurality of locking assemblies 43 and a connecting block 44, the arc-shaped block 41 rotates on the top of the bearing assembly 3, the plurality of connecting rods 42 are fixed between the two arc-shaped blocks 41, the plurality of arc-shaped blocks 41 are two arc-shaped blocks 41, the plurality of connecting rods 42 are two connecting rods 42, the ends of the two connecting rods 42 are fixed to the two sides of the arc-shaped block 41, through the connecting rod 42, the two arc-shaped blocks 41 can stably form a whole, the locking assembly 43 is arranged above the arc-shaped block 41, the locking assembly 43 is used for pressing and limiting the metal sleeve, the connecting block 44 rotates on the top of the arc-shaped block 41 through a hinge, the arc-shaped block 41 and the connecting block 44 are rollingly connected with the inner cavities of the adjacent bearing blocks 31 in a clockwise direction, the arc-shaped block 41 and the connecting block 44 can respectively have an arc-shaped structure, the arc-shaped block 41 and the connecting block 44 can form a circular ring structure, the arc-shaped block 41 and the connecting block 44 can stably rotate on the top of the bearing block 31 through the rolling balls 33, the metal sleeve can be stably arranged in the inner cavities of the arc-shaped block 41 and the connecting block 44, and through the locking assembly 43, the metal sleeve can be stably arranged in the inner cavities of the two arc-shaped blocks 41, and the lifting welding torch head 2 can move up and down, so that the connecting rod 42 does not affect the circular spot welding of the metal sleeve by the lifting welding torch head 2;

[0041] Specifically, the locking assembly 43 is fixed to the top of the plurality of connecting rods 42, the locking assembly 43 comprises a plurality of supporting rods 431, a supporting plate 432, a threaded rod 433, an arc-shaped plate 434 and a rubber block 435, the plurality of supporting rods 431 are respectively fixed to the ends of the plurality of connecting rods 42, the supporting plate 432 is fixed to the top of the plurality of supporting rods 431, the threaded rod 433 is threadedly inserted into the middle of the supporting plate 432, the arc-shaped plate 434 is rotatably inserted into the bottom of the threaded rod 433, and the rubber block 435 is fixed to the inner wall of the arc-shaped plate 434; through the rotation of the threaded rod 433, the arc-shaped plate 434 can move on the top of the arc-shaped block 41, the rubber block 435 can limit the position of the metal sleeve, and the stability of the position of the metal sleeve is improved.

[0042] Further, the two ends of the plurality of connecting rods 42 are provided with gear assemblies 5, the gear assemblies 5 are arranged on one side of the locking assembly 43, the gear assemblies 5 comprise: a plurality of fixed rods 51 and a drive gear 52, the plurality of fixed rods 51 are respectively fixed to the two ends of the connecting rods 42, the drive gear 52 is arranged at the end of the plurality of connecting rods 42, and the ends of the two adjacent fixed rods 51 are fixed to the inner wall of the drive gear 52, through the rotation of the drive gear 52, the two connecting rods 42 can be stably rotated, and the metal sleeve fixed in the inner cavity of the arc-shaped plate 434 can be stably rotated.

[0043] The bottom of the gear assembly 5 is provided with a driving mechanism 6 for rotating the plurality of connecting rods 42, the driving mechanism 6 is arranged at the bottom of the plurality of drive gears 52, the driving mechanism 6 comprises: a rotating rod 61, a plurality of rotating gears 62 and a servo motor 63, the two ends of the rotating rod 61 are respectively rotatably inserted into the bottom of the bearing block 31 through bearings, the plurality of rotating gears 62 are respectively fixed to the two ends of the rotating rod 61, the servo motor 63 is arranged at one end of the rotating rod 61, the servo motor 63 is fixed to the outer wall of one of the bearing blocks 31 through a support plate, the servo motor 63 is electrically connected with an external power supply through an external switch, the output end of the servo motor 63 is in transmission connection with one end of the rotating rod 61, the rotating gear 62 is in meshing connection with the outer wall of the adjacent drive gear 52, through the driving of the servo motor 63, the rotating rod 61 can be stably rotated, the rotating gear 62 can drive the drive gear 52 to be stably rotated, and the two metal sleeves can be synchronously rotated, the docking deviation is reduced, the two metal sleeves arranged in opposite directions can be stably welded, and the welding stability is improved.

[0044] As shown in Figure 1 The welding device comprises the metal sleeve docking mechanism.

[0045] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A metal ferrule buttressing mechanism comprising: The mobile base (1) is provided with a vertically moving lifting welding gun head (2) in the middle part through a connecting frame; Characterized in that: both ends of the mobile base (1) are provided with bearing assemblies (3), a rotating connecting mechanism (4) is arranged between a plurality of bearing assemblies (3), the connecting mechanism (4) comprises: A plurality of arc-shaped blocks (41) are arranged on the top of the bearing assembly (3); A plurality of connecting rods (42) are fixed between two arc-shaped blocks (41), and both ends of the plurality of connecting rods (42) are provided with gear assemblies (5), and the bottom of the gear assembly (5) is provided with a driving mechanism (6) for rotating the plurality of connecting rods (42); A plurality of locking assemblies (43) are arranged above the arc-shaped block (41), and the locking assembly (43) is used for pressing and limiting the metal sleeve; The connecting block (44) is rotatably connected to the top of the arc-shaped block (41) through a hinge.

2. A metal sleeve docking mechanism according to claim 1, wherein, The locking assembly (43) is fixed to the top of the plurality of connecting rods (42), and the gear assembly (5) is arranged on one side of the locking assembly (43).

3. A metal sleeve docking mechanism according to claim 2, wherein, The bearing assembly (3) comprises: The bearing block (31) is fixed to the end of the mobile base (1); A plurality of embedded grooves (32) are arranged on the top of the bearing block (31); The ball (33) is movably embedded in the inner cavity of the embedded groove (32), and the arc-shaped block (41) and the connecting block (44) are connected with the inner cavity of the adjacent bearing block (31) by rolling clockwise.

4. A metal sleeve docking mechanism according to claim 2, wherein, The locking assembly (43) comprises: A plurality of support rods (431) are respectively fixed to the ends of the plurality of connecting rods (42); The support plate (432) is fixed to the top of the plurality of support rods (431); The threaded rod (433) is threadedly inserted into the middle part of the support plate (432); The arc-shaped plate (434) is rotatably inserted into the bottom of the threaded rod (433); The rubber block (435) is fixed to the inner wall of the arc-shaped plate (434).

5. A metal sleeve docking mechanism according to claim 2, wherein, The gear assembly (5) comprises: A plurality of fixed rods (51) are respectively fixed to both ends of the connecting rod (42); The driving gear (52) is arranged at the end of the plurality of connecting rods (42), and the ends of the adjacent two fixed rods (51) are fixed to the inner wall of the driving gear (52), and the driving mechanism (6) is arranged at the bottom of the plurality of driving gears (52).

6. A metal sleeve docking mechanism according to claim 5, wherein, The driving mechanism (6) comprises: The rotating rod (61) is rotatably connected to the bottom of the bearing block (31) through bearings at both ends; A plurality of rotating gears (62) are respectively fixed to both ends of the rotating rod (61); The servo motor (63) is arranged at one end of the rotating rod (61).

7. A metal sleeve docking mechanism according to claim 6, wherein, The output end of the servo motor (63) is in transmission connection with one end of a rotating rod (61), and the rotating gear (62) is in meshing connection with the outer wall of the adjacent driving gear (52).

8. A welding device characterized by, The welding device comprises a metal sleeve butt joint mechanism according to any one of claims 1-7.

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