WO2022077657A1 - Fixing device for stainless steel pipe welding - Google Patents

Abstract

A fixing device for stainless steel pipe welding. The fixing device comprises a mounting bottom plate (1), wherein a left side plate (2) and a right side plate (3) are symmetrically fixed to an upper end face of the mounting bottom plate (1); a connecting plate (4) is connected between the left side plate (2) and the right side plate (3); a telescopic rod (5) is fixed to a lower end of the connecting plate (4); a U-shaped support (10) is fixed to a movable column of the telescopic rod (5); a first gear (11) is rotationally connected to the U-shaped support (10); a stabilizing plate (6) is connected to the telescopic rod (5); several fastening bolts (7) are connected between the stabilizing plate (6) and the connecting plate (4); a left clamping mechanism (8) and a right clamping mechanism (9) are respectively connected to outer sides of the left side plate (2) and the right side plate (3); and a first stainless steel pipe (12) and a second stainless steel pipe (13) are respectively clamped to upper parts of the left clamping mechanism (8) and the right clamping mechanism (9). The device has a good fixing effect, can meet a butt joint requirement well for the welding of two steel pipes, has relatively high flexibility, and can clamp steel pipes with different diameters at two sides thereof, such that the device has wider application range.

Description

A fixture for stainless steel pipe welding technical field

The invention relates to the technical field of stainless steel pipe welding, in particular to a fixing device for stainless steel pipe welding.

Background technique

At present, the fixing device used for welding stainless steel pipe has a single structure and cannot play a stable and fixed role well. A large part of the work requires manual adjustment of the welding butt position, which makes its precision not meet the welding requirements.

technical solutions

The purpose of the present invention is to provide a fixing device for stainless steel pipe welding, so as to solve the problem that the current fixing device used for stainless steel pipe welding has a single structure and cannot play a stable and fixed role well, and a large part of the work requires manual adjustment of welding. Butt position, which makes its precision not meet the problem of welding requirements.

To achieve the above object, the present invention provides the following technical solutions:

A fixing device for stainless steel pipe welding includes an installation bottom plate, a left side plate and a right side plate are symmetrically fixed on the upper end surface of the installation bottom plate, and a connecting plate is connected between the left side plate and the right side plate, so the A telescopic rod is fixed at the lower end of the connecting plate, a U-shaped bracket is fixed on the movable column of the telescopic rod, a first gear is rotatably connected to the U-shaped bracket, a stable plate is connected to the telescopic rod, and the stable plate is connected with the connection A number of fastening bolts are connected between the plates, and a left clamping mechanism and a right clamping mechanism are respectively connected to the outside of the left side plate and the right side plate. The first stainless steel tube and the second stainless steel tube.

As a further solution of the present invention: the left side plate and the right side plate are similar in structure and symmetrically arranged, the left side plate includes a vertical main plate, the upper end of the vertical main plate is provided with an arc-shaped notch, and the upper end of the main plate is provided with an arc-shaped notch. A first straight plate and a second straight plate are fixedly connected on the side symmetrically, the first straight plate and the second straight plate are inclined downward relative to the main board, and a rectangular through slot is opened in the middle of the main board.

As a further solution of the present invention: the left clamping mechanism includes a first sliding base, the first sliding base is fixed on the main board, a first sliding block is slidably connected in the first sliding base, and the first sliding base is slidably connected to the first sliding base. The block is fixedly connected with a first rack, the first rack is engaged with a first gear, the first rack is located in a rectangular through slot, and a first double-sided rack is fixedly connected to the upper end of the first sliding block, The upper end of the first double-sided rack is fixedly connected with a first arc-shaped clamping plate, the left side of the first double-sided rack is engaged with a second gear, and the second gear is rotatably connected to the first fixed column, The first fixing column is fixed on the main board, the left side of the second gear is engaged with a second rack, the left end of the second rack is fixed with a second sliding plate, and the second sliding plate is slidably connected to the second rack. On the sliding base, the second sliding base is fixed on the first straight plate, and a first hook-shaped plate is fixedly connected to the right end of the second rack, and the first hook-shaped plate is fixed with a second arc clamp plate.

As a further solution of the present invention: the right side of the first double-sided rack is meshed with a third gear, the third gear is rotatably connected to the second fixed column, and the second fixed column is fixed on the first straight plate , the right side of the third gear is meshed with a third rack, the right end of the third rack is fixedly connected with a third sliding plate, the third sliding plate is slidably connected to the third sliding base, and the third sliding plate The base is fixed on the second straight plate, a second hook-shaped plate is fixedly connected to the left end of the third rack, and a third arc-shaped clamping plate is fixedly connected to the second hook-shaped plate.

As a further solution of the present invention: the first sliding base, the second sliding base and the third sliding base are all provided with a first arrow-shaped groove, and the first arrow-shaped groove located in the first sliding base The triangular part is slidably connected to the first sliding block, the two sides of the first sliding block are fixed with a first plastic plate with a right-angled triangle cross-section, and a first arrow-shaped groove triangle located inside the second sliding base and the third sliding base The third sliding plate of the part has a trapezoidal shape.

As a further solution of the present invention: the right clamping mechanism and the left clamping mechanism have the same position symmetry, and the right clamping mechanism includes a fourth sliding base, a fourth sliding block, a fourth rack, and a second double-sided tooth bar, fourth arc clamping plate, fourth gear, third fixed column, fifth rack, fifth sliding plate, fifth sliding base, third hook plate, fifth arc clamping plate, fifth a gear, a fourth fixing column, a sixth rack, a sixth sliding plate, a sixth sliding base, a fourth hook-shaped plate, a sixth arc-shaped clamping plate, a second arrow-shaped groove and a second plastic plate.

As a further solution of the present invention: both the second plastic plate and the first plastic plate have a certain coefficient of friction, and the frictional force between the first plastic plate and the first arrow-shaped groove is greater than that between the second plastic plate and the first plastic plate. Friction between two arrow-shaped grooves.

The embodiment of the present invention provides a fixing device for stainless steel pipe welding, the fixing effect of the device is good, the butt joint requirements for welding two steel pipes can be well completed, and the flexibility is relatively high, and the two sides can clamp different thicknesses. Steel pipes have a wider range of use.

Description of drawings

1 is a structural diagram of a fixing device for stainless steel pipe welding provided by an embodiment of the present invention;

Fig. 2 is the left side view of Fig. 1;

3 is a cross-sectional view of FIG. 2 at A-A;

FIG. 4 is a cross-sectional view at B-B of FIG. 2 .

In the figure: 1. Installation bottom plate; 2. Left side plate; 21. Vertical main board; 22. First straight plate; 23. Second straight plate; 24. Rectangular through slot; Plate; 4. Connecting plate; 5. Telescopic rod; 6. Stable plate; 7. Fastening bolt; 8. Left clamping mechanism; 81. First sliding base; 82. First sliding block; 83. First rack 84, the first double-sided rack; 85, the first arc clamping plate; 86, the second gear; 87, the first fixed column; 88, the second rack; 89, the second sliding plate; 810, the first Two sliding bases; 811, the first hook plate; 812, the second arc clamping plate; 813, the third gear; 814, the second fixed column; 815, the third rack; 816, the third sliding plate; 817 , the third sliding base; 818, the second hook plate; 819, the third arc clamping plate; 820, the first arrow groove; 821, the first plastic plate; 9, the right clamping mechanism; 91, the first Four sliding bases; 92, the fourth sliding block; 93, the fourth rack; 94, the second double-sided rack; 95, the fourth arc clamping plate; 96, the fourth gear; 97, the third fixed column; 98, the fifth rack; 99, the fifth sliding plate; 910, the fifth sliding base; 911, the third hook plate; 912, the fifth arc clamping plate; 913, the fifth gear; 914, the fourth fixed Column; 915, sixth rack; 916, sixth sliding plate; 917, sixth sliding base; 918, fourth hook plate; 919, sixth arc clamping plate; 920, second arrow groove; 921, the second plastic plate; 10, the U-shaped bracket; 11, the first gear; 12, the first stainless steel pipe; 13, the second stainless steel pipe.

Embodiments of the present invention

The technical solution of the present patent will be described in further detail below in conjunction with specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present patent, but should not be construed as a limitation on the present patent.

Example 1:

As shown in FIG. 1-FIG. 4, in an embodiment of the present invention, a fixing device for stainless steel pipe welding includes an installation base plate 1, and the upper end surface of the installation base plate 1 is symmetrically fixed with a left side plate 2 and a right side Plate 3, a connecting plate 4 is connected between the left plate 2 and the right plate 3, a telescopic rod 5 is fixed at the lower end of the connecting plate 4, and a U-shaped bracket 10 is fixed on the movable column of the telescopic rod 5, so The U-shaped bracket 10 is rotatably connected with a first gear 11, the telescopic rod 5 is connected with a stabilizing plate 6, and a number of fastening bolts 7 are connected between the stabilizing plate 6 and the connecting plate 4, which are located on the left side plate. 2 and the outside of the right side plate 3 are respectively connected with a left clamping mechanism 8 and a right clamping mechanism 9, and above the left clamping mechanism 8 and the right clamping mechanism 9 are respectively clamped with a first stainless steel tube 12 and a second stainless steel tube 13.

In the embodiment of the present invention, the working condition is when the diameters of the first stainless steel pipe 12 and the second stainless steel pipe 13 are the same: the telescopic rod 5 is controlled to be extended from the shortest contraction state, and then the live column is pressed against the U-shaped bracket 10 Then the first gear 11 moves up, and then the first gear 11 pushes the first rack 83 and the fourth rack 93 on the left and right sides, so that the first rack 83 and the fourth rack 93 move up at the same time, and then the first rack 83 and the fourth rack 93 move up at the same time. The sliding block 82 and the fourth sliding block 92 slide upward, and then the first arc-shaped clamping plate 85 moves upward along with the first rack 83 to be closed toward the first stainless steel tube 12 .

Example 2:

As shown in FIG. 1-FIG. 4, in the embodiment of the present invention, the left side plate 2 and the right side plate 3 are similar in structure and symmetrically arranged, and the left side plate 2 includes a vertical main board 21, the vertical main board The upper end of the main plate 21 is provided with an arc-shaped notch 25, and the upper end of the main plate 21 is symmetrically and fixedly connected with a first straight plate 22 and a second straight plate 23. The first straight plate 22 and the second straight plate 23 are inclined relative to the main plate 21. A rectangular through slot 24 is opened in the middle of the main board 21 .

In the embodiment of the present invention, taking the first sliding block 82 sliding upward as an example, the first sliding block 82 slides upward in the first arrow-shaped groove 820, and then the first double-sided rack 84 moves upward, and then the second The gear 86 rotates counterclockwise, the third gear 813 rotates clockwise, and the second gear 86 rotates counterclockwise to move the second rack 88 to the left, and then the second sliding plate 89 slides left on the second sliding base 810, the first hook type The plate 811 moves downward to the left, so that the second arc-shaped clamping plate 812 is closed toward the first stainless steel tube 12; the third gear 813 rotates synchronously and clockwise, causing the second hook-shaped plate 818 to move downward to the right, and the third arc-shaped clamping plate 819 is folded towards the first stainless steel tube 12, and the three arc-shaped clamping plates work together to form a clamping state on the first stainless steel tube 12; and the right clamping mechanism 9 on the right is synchronized with the left clamping mechanism 8 on the left, Because the fourth rack 93 moves up in synchronization with the first rack 83 .

Example 3:

As shown in FIGS. 1-4 , in the embodiment of the present invention, the left clamping mechanism 8 includes a first sliding base 81 , the first sliding base 81 is fixed on the main board 21 , and the first sliding base 81 A first sliding block 82 is slidably connected inside, and the first sliding block 82 is fixedly connected with a first rack 83, the first rack 83 is engaged with the first gear 11, and the first rack 83 is located in the rectangular through slot 24, a first double-sided rack 84 is fixedly connected to the upper end of the first sliding block 82, and a first arc-shaped clamping plate 85 is fixedly connected to the upper end of the first double-sided rack 84. The left side of the surface rack 84 is engaged with a second gear 86, the second gear 86 is rotatably connected to the first fixing column 87, the first fixing column 87 is fixed on the main board 21, and the left side of the second gear 86 A second rack 88 is engaged, the left end of the second rack 88 is fixed with a second sliding plate 89, the second sliding plate 89 is slidably connected to the second sliding base 810, and the second sliding base 810 is fixed on the On the first straight plate 22 , a first hook-shaped plate 811 is fixedly connected to the right end of the second rack 88 , and a second arc-shaped clamping plate 812 is fixed to the first hook-shaped plate 811 .

In the embodiment of the present invention, the working condition is when the diameters of the first stainless steel pipe 12 and the second stainless steel pipe 13 are different: referring to the descriptions of Embodiments 1 and 2, at this time, the left clamping mechanism 8 and the right clamping mechanism are 9. One of the two sides is clamped first, depending on whether the steel pipe with a larger diameter is on the left or the right. Taking the first stainless steel pipe 12 as an example of a large-diameter steel pipe, the left clamping mechanism 8 clamps first, and then the first rack 83 does not go up. Since the movable column of the telescopic rod 5 is still extending, the first gear 11 moves up and rotates counterclockwise, and then the fourth rack 93 on the right moves up, and then the right clamping mechanism 9 completes the second The clamping action of the stainless steel pipe 13 .

Example 4:

As shown in FIGS. 1-4 , in the embodiment of the present invention, a third gear 813 is engaged with the right side of the first double-sided rack 84 , and the third gear 813 is rotatably connected to the second fixing column 814 . The second fixing column 814 is fixed on the first straight plate 22 , a third rack 815 is engaged with the right side of the third gear 813 , and a third sliding plate 816 is fixedly connected to the right end of the third rack 815 . The third sliding plate 816 is slidably connected to the third sliding base 817 , the third sliding base 817 is fixed on the second straight plate 23 , and a second hook plate 818 is fixedly connected to the left end of the third rack 815 . The second hook-shaped plate 818 is fixedly connected with a third arc-shaped clamping plate 819 .

In the embodiment of the present invention, the rectangular through slot 24 facilitates that the first rack 83 can slide inside without interference, the third arc-shaped clamping plate 819 , the second arc-shaped clamping plate 812 and the first arc-shaped clamping plate 819 The plate 85 stabilizes the first stainless steel tube 12 from three directions, and its arc shape makes the first stainless steel tube 12 more tightly clamped, and is not easy to rotate or fall off.

Example 5:

As shown in FIGS. 1-4 , in the embodiment of the present invention, the first sliding base 81 , the second sliding base 810 and the third sliding base 817 are all provided with a first arrow-shaped groove 820 , which is located in the The triangular portion of the first arrow-shaped groove 820 in the first sliding base 81 is slidably connected to the first sliding block 82 , and a first plastic plate 821 with a right-angled triangular cross-section is fixed on both sides of the first sliding block 82 . The third sliding plate 816 at the triangular portion of the first arrow-shaped groove 820 inside the second sliding base 810 and the third sliding base 817 is trapezoidal in shape.

In the embodiment of the present invention, the first arrow-shaped groove 820 is specifically a rectangular through groove connected with a trapezoidal through groove, and the triangle formed by the first sliding block 82 and the first plastic plate 821 is a protective measure to prevent falling off during sliding Similarly, the third sliding plate 816 has a trapezoidal shape, which is also to prevent it from falling off when sliding in the third sliding base 817 .

Example 6:

As shown in FIG. 1-FIG. 4, in the embodiment of the present invention, the right clamping mechanism 9 and the left clamping mechanism 8 have the same position and symmetrical structure, and the right clamping mechanism 9 includes a fourth sliding base 91, a fourth Slide block 92, fourth rack 93, second double-sided rack 94, fourth arc clamping plate 95, fourth gear 96, third fixing column 97, fifth rack 98, fifth sliding plate 99, Fifth sliding base 910 , third hook plate 911 , fifth arc clamping plate 912 , fifth gear 913 , fourth fixing column 914 , sixth rack 915 , sixth sliding plate 916 , sixth sliding base 917 , a fourth hook-shaped plate 918 , a sixth arc-shaped clamping plate 919 , a second arrow-shaped groove 920 and a second plastic plate 921 .

In the embodiment of the present invention, the structure of the right clamping mechanism 9 and the left clamping mechanism 8 are symmetrical in the same position, which facilitates the replacement and selection of parts and is relatively inexpensive considering the replaceability of common parts.

Example 7:

As shown in FIGS. 1-4 , in the embodiment of the present invention, the second plastic plate 921 and the first plastic plate 821 both have a certain coefficient of friction, and the first plastic plate 821 and the first arrow-shaped groove The frictional force between 820 is greater than the frictional force between the second plastic plate 921 and the second arrow-shaped groove 920 .

In the embodiment of the present invention, the difference in the coefficient of friction between the second plastic plate 921 and the first plastic plate 821 is further in the production process, the clamping sequence of the left clamping mechanism 8 and the right clamping mechanism 9 on both sides It is limited to facilitate the clamping operation of steel pipes of different thicknesses.

The above embodiment of the present invention provides a fixing device for welding stainless steel pipes, which has good fixing effect, can well meet the butt requirements of welding two steel pipes, and has relatively high flexibility, and can clamp different sides on both sides. Thick and thin steel pipes can be used in a wider range.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, some modifications and improvements can be made without departing from the concept of the present invention, and these should also be regarded as the protection of the present invention. scope, these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims (7)

A fixing device for stainless steel pipe welding, comprising an installation bottom plate (1), characterized in that a left side plate (2) and a right side plate (3) are symmetrically fixed on the upper end surface of the mounting bottom plate (1), so that the A connecting plate (4) is connected between the left side plate (2) and the right side plate (3), and a telescopic rod (5) is fixed at the lower end of the connecting plate (4), and the telescopic rod (5) is on the movable column A U-shaped bracket (10) is fixed, a first gear (11) is rotatably connected to the U-shaped bracket (10), and a stabilizing plate (6) is connected to the telescopic rod (5), and the stabilizing plate (6) A number of fastening bolts (7) are connected with the connecting plate (4), and a left clamping mechanism (8) and a right clamping mechanism are respectively connected to the outside of the left side plate (2) and the right side plate (3). (9), a first stainless steel pipe (12) and a second stainless steel pipe (13) are respectively clamped above the left clamping mechanism (8) and the right clamping mechanism (9). A fixing device for stainless steel pipe welding according to claim 1, characterized in that the left side plate (2) and the right side plate (3) are similar in structure and symmetrically arranged, and the left side plate (2) ) comprises a vertical main board (21), the upper end of the vertical main board (21) is provided with an arc-shaped notch (25), and the upper end of the main board (21) is symmetrically and fixedly connected with a first straight board (22) and a second straight board (22). Two straight plates (23), the first straight plate (22) and the second straight plate (23) are inclined downward relative to the main plate (21), and a rectangular through slot (24) is formed in the middle of the main plate (21). A fixing device for stainless steel pipe welding according to claim 1, characterized in that the left clamping mechanism (8) comprises a first sliding base (81), and the first sliding base (81) is fixed On the main board (21), a first sliding block (82) is slidably connected in the first sliding base (81), and a first rack (83) is fixedly connected to the first sliding block (82). The first rack (83) meshes with the first gear (11), the first rack (83) is located in the rectangular through groove (24), and the upper end of the first sliding block (82) is fixedly connected with a first double A surface rack (84), the upper end of the first double-sided rack (84) is fixedly connected with a first arc-shaped clamping plate (85), and the left side of the first double-sided rack (84) is engaged with a second Gear (86), the second gear (86) is rotatably connected to the first fixing column (87), the first fixing column (87) is fixed on the main board (21), the second gear (86) A second rack (88) is engaged on the left side, a second sliding plate (89) is fixed at the left end of the second rack (88), and the second sliding plate (89) is slidably connected to the second sliding base (810). ), the second sliding base (810) is fixed on the first straight plate (22), and a first hook-shaped plate (811) is fixedly connected to the right end of the second rack (88). The hook-shaped plate (811) is fixed with a second arc-shaped clamping plate (812). The fixing device for stainless steel pipe welding according to claim 3, wherein a third gear (813) is engaged with the right side of the first double-sided rack (84), and the third gear ( 813) is rotatably connected to the second fixing column (814), the second fixing column (814) is fixed on the first straight plate (22), and the right side of the third gear (813) is meshed with a third rack (815), a third sliding plate (816) is fixedly connected to the right end of the third rack (815), and the third sliding plate (816) is slidably connected to the third sliding base (817). The sliding base (817) is fixed on the second straight plate (23), and a second hook-shaped plate (818) is fixedly connected to the left end of the third rack (815), and the second hook-shaped plate (818) is fixedly connected There is a third arcuate clamping plate (819). The fixing device for stainless steel pipe welding according to claim 3, wherein the first sliding base (81), the second sliding base (810) and the third sliding base (817) are all open inside There is a first arrow-shaped groove (820), and the triangular part of the first arrow-shaped groove (820) located in the first sliding base (81) is slidably connected to the first sliding block (82), and the first sliding block (82) is A first plastic plate (821) with a right-angled triangular cross-section is fixed on both sides of the block (82), and a first arrow-shaped groove (820) located inside the second sliding base (810) and the third sliding base (817) The third sliding plate (816) in the triangular part is trapezoidal in shape. A fixing device for stainless steel pipe welding according to claim 1, characterized in that the right clamping mechanism (9) and the left clamping mechanism (8) have the same position and symmetrical structure, and the right clamping mechanism (9) Including a fourth sliding base (91), a fourth sliding block (92), a fourth rack (93), a second double-sided rack (94), a fourth arc-shaped clamping plate (95), a fourth Four gears (96), third fixed column (97), fifth rack (98), fifth sliding plate (99), fifth sliding base (910), third hook plate (911), fifth arc clamp plate (912), fifth gear (913), fourth fixing column (914), sixth rack (915), sixth sliding plate (916), sixth sliding base (917), fourth hook A mold plate (918), a sixth arc-shaped clamping plate (919), a second arrow-shaped groove (920) and a second plastic plate (921). The fixing device for stainless steel pipe welding according to claim 6, wherein the second plastic plate (921) and the first plastic plate (821) both have a certain coefficient of friction, and the first plastic plate (921) has a certain coefficient of friction. The frictional force between the plastic plate (821) and the first arrow-shaped groove (820) is greater than the frictional force between the second plastic plate (921) and the second arrow-shaped groove (920).