CN214602778U - Vertical bent pipe welding jig - Google Patents

Abstract

The utility model discloses a found return bend welding jig, include: the base, the bent pipe positioning mechanism, the transverse pipe positioning mechanism, the U-shaped pipe positioning mechanism and the butt joint mechanism are used for connecting the bent pipe, the transverse pipe and the U-shaped pipe through the butt joint mechanism; the bent pipe positioning mechanism comprises a first support column, a first clamp and a fixing piece, wherein the first clamp is positioned on the inner side of the first support column; the transverse pipe positioning mechanism comprises a second supporting column and a second clamp, a first positioning groove is formed in the surface of the second supporting column, the transverse pipe is positioned and connected into the first positioning groove through the second clamp, and two ends of the transverse pipe are respectively connected with the bent pipe on the first supporting column in a clamping mode; u-shaped pipe positioning mechanism includes a plurality of third anchor clamps and a plurality of third support column, and second positioning groove has been seted up on the third support column surface, connects the U-shaped pipe location in second positioning groove and is located the top of violently managing through third anchor clamps. The utility model provides a technical problem of treadmill frame welding efficiency and quality.

Description

Vertical bent pipe welding jig

Technical Field

The utility model relates to a body-building apparatus spare part processing technology field, concretely relates to found return bend welding jig.

Background

The treadmill is a commonly-used apparatus for families and gymnasiums, is the simplest one of family fitness apparatuses, and is the best choice of the family fitness apparatus. The treadmill mainly comprises a frame, an electronic watch and a running belt, wherein the frame mainly comprises an electronic watch frame group, an upright post frame group and a running belt frame group, the upright post frame group comprises two bent pipes which are arranged in parallel, and the electronic watch frame group comprises a standard transverse pipe and a U-shaped pipe.

In the existing welding technology, when a frame of the treadmill is welded, a stand frame group and an electronic watch frame group are separately welded and finally assembled. The problems existing in the prior art during welding are as follows:

1. firstly, the transverse pipe and the U-shaped pipe need to be marked on the bent pipe respectively, which is time-consuming and labor-consuming.

2. The elbow belongs to the arc form, need guarantee earlier between elbow and the horizontal pole welding level, prevents to take place the slope. Furthermore, the precision of the frame of the treadmill is highly required, and a lot of time is wasted.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a found return bend welding jig, this tool has improved the welding efficiency of treadmill frame, has guaranteed the precision between the product, does not need independent welding and equipment again simultaneously.

The technical scheme of the utility model is that: the utility model provides a found return bend welding jig, includes: the base, the bent pipe positioning mechanism, the transverse pipe positioning mechanism, the U-shaped pipe positioning mechanism and the butt joint mechanism are used for connecting the bent pipe, the transverse pipe and the U-shaped pipe through the butt joint mechanism;

a bracket is fixed on one side of the base, and a workbench is fixedly arranged on the other side of the base;

the bent pipe positioning mechanism comprises two groups of first supporting columns, two groups of first clamps and two groups of fixing pieces, wherein the two groups of first supporting columns and the two groups of first clamps are respectively and symmetrically arranged on two sides of the workbench; the first clamp is positioned on the inner side of the first support column; the fixing piece is used for positioning and connecting the bent pipe to the inner side of the bracket;

the transverse pipe positioning mechanism is positioned between the bent pipe positioning mechanisms and comprises a second supporting column and a second clamp, a first positioning groove is formed in the surface of the second supporting column, the transverse pipe is positioned and connected into the first positioning groove through the second clamp, and two ends of the transverse pipe are respectively connected with the bent pipe on the first supporting column in a clamping mode;

the U-shaped pipe positioning mechanism is positioned on one side of the transverse pipe positioning mechanism and positioned between the bent pipe positioning mechanisms; the U-shaped pipe positioning mechanism comprises a plurality of third clamps and a plurality of third supporting columns, wherein second positioning grooves are formed in the surfaces of the third supporting columns, and the U-shaped pipes are connected in the second positioning grooves in a positioning mode through the third clamps and located above the transverse pipes.

Furthermore, the second clamp comprises an upright post, a connecting seat, a first hinge, a push rod, a second hinge and a pressure head assembly, one end of the upright post is fixedly connected to the upper end of the base, and the other end of the upright post is connected with the connecting seat through a bolt; the surface of the connecting seat is fixedly connected with an L-shaped lug, and two ends of the L-shaped lug are respectively provided with a through hole and are respectively movably connected with the first hinge and the second hinge; push rod location connect in on first hinge and the second hinge, the pressure head subassembly with second hinge integrated into one piece pushes down the first hinge of push rod control and rotates with the second hinge, drives the pressure head subassembly and pushes down and fix violently the pipe surface, has guaranteed to violently manage the stability that the joint is connected between the return bend.

Further, the pressure head subassembly includes pressure head mount, nut and locking pressure head, the pressure head mount with second hinge integrated into one piece, the locking pressure head passes through the nut to be fixed inside the pressure head mount, can adjust the degree of depth that the locking pressure head is located the pressure head mount through the nut to can adjust the stroke of first hinge and second hinge.

Furthermore, the structure of the second clamp is the same as that of the third clamp, and the push rod is pressed down to achieve the effect of positioning and fixing the U-shaped pipe by utilizing the lever principle.

Further, the third clamp has 4 groups, so that the stability of the U-shaped pipe is ensured.

Further, the first clamp comprises a connecting seat, a third hinge, a pull rod and a fixing assembly, a U-shaped lug is fixedly installed in the middle of the connecting seat, one end of the U-shaped lug is a cylindrical through pipe, and the other end of the U-shaped lug is connected with a U-shaped block; a pull rod is movably connected between the U-shaped block and the third hinge; the fixing component penetrates through the cylindrical through pipe, the end part of the fixing component is movably connected with the third hinge, and the upper push-pull rod controls the third hinge to drive the fixing component to move by utilizing the lever principle, so that the surface of the bent pipe is positioned and fixed.

Furthermore, the fixed subassembly includes first ejector sleeve and threaded connection at the inside second ejector sleeve of first ejector sleeve, the one end veneer that the second ejector sleeve is close to the return bend has the rubber pad, can adjust the second ejector sleeve and first length between pushing away according to the thickness of return bend to the best centre gripping effect has been guaranteed. Furthermore, the rubber pad is glued at the end part of the second push pipe, so that the smoothness of the surface of the bent pipe is guaranteed, the friction force is improved, and the clamping force is increased.

Further, docking mechanism includes fourth anchor clamps and fourth support column, the fourth support column is located first support column and second support column intermediate position, the fourth anchor clamps are located one side of fourth support column places the connection piece on fourth support column and second support column, and this connection piece is respectively with the return bend, violently manage and the U-shaped union coupling and fixed through fourth anchor clamps, has guaranteed the stationarity.

Furthermore, the structure of the fourth clamp is the same as that of the second clamp and the third clamp, and the push rod is pressed down to achieve the effect of positioning and fixing the U-shaped pipe by utilizing the lever principle.

The utility model has the beneficial technical effects that:

the elbow, the transverse pipe and the U-shaped pipe are placed in the positioning grooves in the supporting columns and are fixed through the clamps respectively, so that the stability of the joints of the elbow, the transverse pipe and the U-shaped pipe is guaranteed, the welding is facilitated, the accuracy between the elbow and the transverse pipe and the U-shaped pipe are guaranteed, the elbow, the transverse pipe and the U-shaped pipe do not need to be welded separately, the welding efficiency is improved, and the welding quality is guaranteed.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the elbow pipe positioning mechanism of the present invention;

fig. 3 is a schematic structural view of a first clamp of the present invention;

fig. 4 is a schematic structural view of the horizontal tube positioning mechanism of the present invention;

fig. 5 is a schematic structural view of a second clamp of the present invention;

fig. 6 is a schematic structural view of a U-shaped tube positioning mechanism of the present invention;

fig. 7 is a schematic structural diagram of the docking mechanism of the present invention;

fig. 8 is a schematic structural view of the fixing member of the present invention.

The reference signs are:

1. a base; 2. a pipe bending positioning mechanism; 21. a first support column; 22. a first clamp; 221. a U-shaped projection; 222. a third hinge; 223. a pull rod; 224. a first push pipe; 225. a second push pipe; 226. a rubber pad; 227. a cylindrical through pipe; 228. a U-shaped block; 23. a fixing member; 231. a U-shaped connecting plate; 3. a transverse pipe positioning mechanism; 31. a second support column; 311. a first positioning groove; 32. a second clamp; 321. a column; 322. a connecting seat; 323. a first hinge; 324. a push rod; 325. a second hinge; 326. a pressure head fixing frame; 327. a nut; 328. locking a pressure head; 329. an L-shaped tab; 4. a U-shaped pipe positioning mechanism; 41. A third support column; 411. a second positioning groove; 42. a third clamp; 5. a docking mechanism; 51. a fourth clamp; 52. a fourth support column; 6. a support; 61. positioning holes; 62. positioning pins; 63. fixing the rod; 7. Bending the pipe; 8. a transverse tube; 9. a U-shaped tube; 10. connecting sheets; 11. a right-angled triangular plate; 12. a work bench.

Detailed Description

In order to make the technical means of the present invention clearer and to implement the present invention according to the content of the specification, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples, which are used for illustrating the present invention and are not intended to limit the scope of the present invention.

As shown in figures 1 and 8, the application relates to a vertical elbow welding jig, which comprises a base 1, an elbow positioning mechanism 2, a transverse pipe positioning mechanism 3, a U-shaped pipe positioning mechanism 4 and a butt joint mechanism 5, wherein an elbow 7, a transverse pipe 8 and a U-shaped pipe 9 are connected through the butt joint mechanism 5, welding is facilitated, tightness between the elbow 7 and the transverse pipe 8 and the U-shaped pipe 9 is guaranteed, meanwhile, welding efficiency is improved, and welding quality is guaranteed.

One side fixed mounting has support 6 on base 1, and this support 6 is equipped with two, and locating hole 61 has been seted up to the tip of this support 6, and the both ends of dead lever 63 are connected in this support 6 respectively. The opposite side fixed mounting of base 1 has a plurality of right angle triangle-shaped boards 11, and the right-angle side of this right angle triangle-shaped board 11 is inboard, and the hypotenuse is the outside, and simultaneously, fixedly connected with workstation 12 on this right angle triangle-shaped board 11's the hypotenuse. Firstly, one end of the elbow 7 is placed on the workbench 12, the other end of the elbow is connected with the U-shaped connecting plate 231 through the bolt and the screw, holes matched with the positioning holes 61 in the support 6 are respectively formed in two sides of the U-shaped connecting plate 231, the U-shaped connecting plate 231 is clamped with the upper surface of the support 6 and is fixed through the positioning pins 62, and the stability of the elbow 7 on the workbench 12 is guaranteed.

The two sides at workstation 12 are installed to the symmetry formula of return bend positioning mechanism 2, this return bend positioning mechanism 2 includes parallel arrangement first support column 21 on workstation 12 and the first anchor clamps 22 that are located first support column 21 one side, this first support column 21 is L shape structure, places the lower tip at first support column 21 with the one end of return bend 7 to the upper end of passing through first anchor clamps 22 with return bend 7 and first support column 21 supports, has guaranteed the stability of return bend 7.

As shown in fig. 2-3, the first clamp 22 includes: upright 321, connecting seat 322, third hinge 222, pull rod 223 and fixing component, wherein one end of upright 321 is connected with base 1, and the other end is connected with connecting seat 322. A U-shaped projection 221 is fixedly mounted in the middle of the upper end of the connecting seat 322, one end of the U-shaped projection 221 near the elbow 7 is fixedly connected with a cylindrical through pipe 227, and the other end is fixedly connected with a U-shaped block 228. Wherein, the two sides of the U-shaped block 228 are provided with holes penetrating the inside thereof. The front end of the pull rod 223 is bent upwards, the bottom of the pull rod 223 is provided with a hole and movably connected with the U-shaped block 228, furthermore, one end of the third hinge 222 is movably connected with the bottom of the pull rod 223, the other end is movably connected with the fixing piece 23, and the fixing piece 23 penetrates through the cylindrical through pipe 227 and contacts with the surface of the elbow pipe 7. When the pull rod 223 is lifted up, the pull rod 223 and the U-shaped block 228 rotate, and at the same time, the third hinge 222 is controlled to move towards the cylindrical through pipe 227, so that the fixing member 23 is driven to slide inside the cylindrical through pipe 227, and the surface of the elbow pipe 7 is extruded and fixed.

Meanwhile, the fixing assembly comprises a first push pipe 224 and a second push pipe 225, the inside of the first push pipe 224 is of a hollow structure, the second push pipe 225 is placed inside the first push pipe 224 and fixed through a nut, and the length of the second push pipe 225 inside the first push pipe 224 can be adjusted through rotating the nut, so that the bent pipe 7 is better clamped, and the stability in the welding process is guaranteed. The rubber pad 226 is glued to the end of the second push tube 225, and the rubber pad 226 increases the friction force between the second push tube and the bent tube 7, so that the positioning stability of the bent tube 7 is ensured, and the surface of the bent tube is prevented from being damaged.

As shown in fig. 4 to 5, the transverse tube positioning mechanism 3 includes a second support column 31 and a second clamp 32, the second support column 31 is located on one side of the first support columns 21, and three second support columns 31 are arranged in parallel and located between the first support columns 21. A first positioning groove 311 is formed in the upper end of the second supporting column 31, and the transverse tube 8 is placed in the first positioning groove 311. Meanwhile, the second clamp 32 is located at the middle position of the cross tube 8 and at one side of the second support column 31. The transverse pipe 8 is positioned and connected inside the first positioning groove 311 through the second clamp 32, and the stability of clamping connection between the transverse pipe 8 and the bent pipe 7 is guaranteed.

The second clamp 32 comprises a vertical column 321, a connecting seat 322, a first hinge 323, a push rod 324, a second hinge 325 and a pressure head assembly, wherein one end of the vertical column 321 is fixedly connected to the upper end of the base 1, and the other end of the vertical column is connected with the connecting seat 322 through a bolt; the surface of the connecting seat 322 is fixedly connected with an L-shaped lug 329, and two ends of the L-shaped lug 329 are respectively provided with a through hole and are respectively movably connected with a first hinge 323 and a second hinge 325; push rod 324 is positioned and connected to first hinge 323 and second hinge 325, and the ram assembly is integrally formed with second hinge 325. Through the pull-down push rod 324, the push rod 324 drives the first hinge 323 and the second hinge 325 to rotate, the second hinge 325 drives the pressure head assembly to press down and fix the position of the surface of the transverse pipe 8, and the stability of clamping connection between the transverse pipe 8 and the elbow pipe 7 is ensured.

The pressure head assembly comprises a pressure head fixing frame 326, a nut 327 and a locking pressure head 328, wherein the pressure head fixing frame 326 and the second hinge 325 are integrally formed, and when the second hinge 325 rotates, the pressure head fixing frame 326 is driven to press downwards, and the effect of fixing the surface of a product is achieved. The locking pressure head 328 is fixed inside the pressure head fixing frame 326 through the nut 327 threads, and meanwhile, the length of the locking pressure head 328 inside the pressure head fixing frame 326 is adjusted through rotating the nut 327, so that the surface of a product is fixed.

As shown in fig. 6, the U-shaped pipe positioning mechanism 4 is located at the front end of the horizontal pipe positioning mechanism 3 and between the two bent pipe positioning mechanisms 2, and the U-shaped pipe 9 is connected with the cross rod 8 and the bent pipe 7 in an abutting mode through the U-shaped pipe positioning mechanism 4, so that welding is facilitated. Wherein the U-shaped pipe positioning mechanism 4 includes a plurality of third clamps 42 and a plurality of third support columns 41. Meanwhile, a second positioning groove 411 is formed in the middle of the upper surface of the third supporting column 41, and the U-shaped pipe is positioned and connected inside the second positioning groove 411 and located right above the transverse pipe 8 by a third clamp 42. Furthermore, two third support columns 41 are arranged in the middle of the U-shaped tube 9, two ends of each third support column 41 are respectively arranged at one side of the second support column 31, and the U-shaped tube 9 is supported by the four third support columns 41. Meanwhile, the third clamp 42 has the same structure as the second clamp 32, and positions and fixes the surface of the hairpin tube 9 by pressing down using the principle of leverage.

As shown in fig. 7, the docking mechanism 5 includes a fourth clamp 51 and a fourth support column 52, and the fourth support column 52 is located at a position rearward from the middle of the first support column 21 and the second support column 31. The fourth jig 51 is positioned at one side of the fourth supporting column 52. The connecting piece 10 is of an L-shaped structure, and the connecting piece 10 is placed on the fourth supporting column 52 and the second supporting column 31 to play a role in supporting. At the moment, the vertical end of the connecting sheet 10 is abutted against one side of the elbow 7, the side edge of the connecting sheet 10 is abutted against the transverse pipe 8, and the upper end of the connecting sheet 10 is abutted against the bottom of the U-shaped pipe 9. Through fourth anchor clamps 51 with connection piece 10 location connection on fourth support column 52 and second support column 31, guaranteed connection piece 10 and violently manage 8, return bend 7 and U-shaped pipe 9 stable connection, the welding of being convenient for improves welding efficiency, welding quality. The structure of the fourth clamp 51 is the same as the structure of the second clamp 32 and the third clamp 42, and the press head is driven to abut against and fix the surface of the product by utilizing the lever principle.

For further explanation, the present invention will be explained with the following working steps:

1. first, the horizontal tube 8 is engaged with the bent tubes 7 and placed between the bent tubes 7. After the clamping, the horizontal tube 8 and the bent tube 7 are simultaneously placed on the workbench 12, and the horizontal tube 8 is located in the first positioning groove 311 on the second supporting column 31.

2. One end of the elbow 7 is connected to the U-shaped connecting plate 231 by screws, and the U-shaped connecting plate is clamped to the surface of the bracket 6 and fixed by the positioning pins 62. At this time, the U-shaped connection plate 231 is positioned directly above the fixing lever 63.

3. The other end of the bent pipe 7 is placed at the lower end of the first support column 21, and the upper push-pull rod 223 controls the third hinge 222 to drive the first push pipe 224 and the second push pipe 225 to extrude with the surface of the product, so that the first push pipe and the second push pipe abut against and are fixed on the upper end of the first support column 21. Meanwhile, the push rod 324 is pulled down to control the first hinge 323 and the second hinge 325 to rotate, the second hinge 325 drives the ram assembly to press down, and the locking ram 328 inside the ram assembly contacts with the surface of the product and is positioned and connected inside the first positioning groove 311. At this time, the horizontal tube 8 is stably connected to the bent tube 7.

4. The U-shaped pipe 9 is placed in the second positioning groove 411 on the third supporting column 41, the push rod 324 is pulled downwards to control the first hinge 323 and the second hinge 325 to rotate, the second hinge 325 drives the pressure head assembly to press downwards, the locking pressure head 328 inside the pressure head assembly is in contact with the surface of a product and is positioned and connected inside the second positioning groove 411, and the U-shaped pipe 9 is located right above the transverse pipe 8 at the moment.

5. The connecting piece 10 is placed on the fourth supporting column 52 and the second supporting column 31, at this time, the vertical end of the connecting piece 10 is connected with the side edge of the bent pipe 7, the side edge of the connecting piece 10 is connected with the side edge of the transverse pipe 8, and the upper surface of the connecting piece 10 is connected with the bottom of the U-shaped pipe 9. The hand pulling push rod 324 controls the first hinge 323 and the second hinge 325 to rotate, the second hinge 325 drives the pressure head assembly to press downwards, the locking pressure head 328 inside the pressure head assembly is in contact with the surface of the product and is positioned and connected to the upper ends of the second supporting column 31 and the fourth supporting column 52, and the transverse pipe 8, the bent pipe 7 and the U-shaped pipe 9 are connected through the connecting piece 10.

6. At this time, the horizontal tube 8, the bent tube 7 and the U-shaped tube 9 are all fixed and connected to each other, and their connection ends are welded and fixed, respectively.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides a found return bend welding jig which characterized in that includes: the device comprises a base (1), a bent pipe positioning mechanism (2), a transverse pipe positioning mechanism (3), a U-shaped pipe positioning mechanism (4) and a butt joint mechanism (5), wherein a bent pipe (7), a transverse pipe (8) and a U-shaped pipe (9) are connected through the butt joint mechanism (5);

a bracket (6) is fixed on one side of the base (1), and a workbench (12) is fixedly arranged on the other side of the base (1);

the bent pipe positioning mechanism (2) comprises two groups of first supporting columns (21), two groups of first clamps (22) and a fixing piece (23), wherein the two groups of first supporting columns (21) and the two groups of first clamps (22) are respectively and symmetrically arranged on two sides of the workbench; the first clamp (22) is located inside the first support column (21); the fixing piece (23) is used for positioning and connecting the elbow to the inner side of the bracket (6);

the transverse pipe positioning mechanism (3) is located between the bent pipe positioning mechanisms (2), the transverse pipe positioning mechanism (3) comprises a second supporting column (31) and a second clamp (32), a first positioning groove (311) is formed in the surface of the second supporting column (31), a transverse pipe (8) is connected to the inside of the first positioning groove (311) in a positioning mode through the second clamp (32), and two ends of the transverse pipe (8) are connected with a bent pipe (7) on the first supporting column (21) in a clamping mode respectively;

the U-shaped pipe positioning mechanism (4) is positioned on one side of the transverse pipe positioning mechanism (3) and between the bent pipe positioning mechanisms (2); u-shaped pipe positioning mechanism (4) includes a plurality of third anchor clamps (42) and a plurality of third support column (41), second positioning groove (411) have been seted up on third support column (41) surface, through third anchor clamps (42) with U-shaped pipe (9) location connect in second positioning groove (411) and be located the top of violently managing (8).

2. The vertical bent pipe welding jig is characterized in that the second clamp (32) comprises a vertical column (321), a connecting seat (322), a first hinge (323), a push rod (324), a second hinge (325) and a pressure head assembly, one end of the vertical column (321) is fixedly connected to the upper end of the base (1), and the other end of the vertical column is bolted to the connecting seat (322); the surface of the connecting seat (322) is fixedly connected with an L-shaped lug (329), and two ends of the L-shaped lug (329) are respectively provided with a through hole and are respectively movably connected with the first hinge (323) and the second hinge (325); the push rod (324) is positioned and connected to the first hinge (323) and the second hinge (325), and the pressure head assembly is integrally formed with the second hinge (325).

3. The vertical bend welding jig according to claim 2, wherein the ram assembly comprises a ram holder (326), a nut (327) and a locking ram (328), the ram holder (326) is integrally formed with the second hinge (325), and the locking ram (328) is fixed inside the ram holder (326) through the nut (327).

4. The vertical tube bending welding jig according to claim 3, wherein the second clamp (32) is identical in structure to the third clamp (42).

5. The vertical tube welding jig according to claim 1, wherein the third clamps (42) have 4 sets.

6. The vertical bent pipe welding jig according to claim 1, wherein the first clamp (22) comprises a vertical column (321), a connecting seat (322), a third hinge (222), a push rod (324) and a fixing assembly, a U-shaped lug (221) is fixedly installed in the middle of the connecting seat (322), one end of the U-shaped lug (221) is a cylindrical through pipe (227), and the other end of the U-shaped lug is connected with a U-shaped block (228); a pull rod (223) is movably connected between the U-shaped block (228) and the third hinge (222); the fixing component penetrates through the cylindrical through pipe (227), and the end part of the fixing component is movably connected with the third hinge (222).

7. The vertical bent pipe welding jig according to claim 6, characterized in that the fixed assembly comprises a first push pipe (224) and a second push pipe (225) which is screwed inside the first push pipe (224), and a rubber pad (226) is glued to one end of the second push pipe (225) close to the bent pipe (7).

8. The vertical pipe bending welding jig according to claim 1, wherein the abutting mechanism (5) comprises a fourth clamp (51) and a fourth supporting column (52), the fourth supporting column (52) is located at a position between the first supporting column (21) and the second supporting column (31), and the fourth clamp (51) is located on one side of the fourth supporting column (52).

9. The vertical tube bending welding jig according to claim 8, wherein the fourth clamp (51) is identical in structure to the second clamp (32) and the third clamp (42).

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