Heat pipe bundle welding tool clamp

Abstract

The invention discloses a heat pipe bundle welding tool clamp, and belongs to the field of welding tool clamps. Comprising two cantilever lifting supports, a lifting platform is detachably mounted on the inner sides of the cantilever lifting supports through bolts, a bearing seat is detachably mounted on the upper surface of the lifting platform through bolts, and a rotating shaft is rotationally connected to the top of the bearing seat through a rotating shaft; a gear motor is detachably mounted on the upper surface of the lifting platform on the left of the two rotating shafts through bolts, and the right end of the output end of the gear motor extends to the inner side of the rotating shaft close to the right of the gear motor. The opposite sides of the two rotating shafts are fixedly connected with cantilevers. The arc-shaped heat pipe bundles of different batches can be welded on one tool, welding of different stations is achieved, deformation of the pipe bundles caused by hoisting and turning over of workpieces is effectively avoided, the working intensity of workers can be reduced, and the welding appearance and the welding quality are guaranteed.

Description

Technical Field

[0001] The invention relates to a welding fixture, in particular to a heat pipe bundle welding fixture. Background Art

[0002] Due to the special shape of the bow-shaped heat pipe bundle, the pull-out joints on the heat pipe main pipe and the auxiliary pipe have a whole row of butt welds. Because the bundle is closely arranged and limited by the welding orientation, secondary welding on both sides is required.

[0003] Generally, due to the downward welding position of the bow-shaped heat pipe, flat welding can be used when welding on the outside, but when welding on the inside, the heat pipe needs to be raised. At this time, only overhead welding can be used. Overhead welding is a special position welding method that consumes the most physical energy and is the most difficult. It is not conducive to the welder's operation and cannot guarantee the welding quality. Summary of the invention

[0004] Purpose of the invention: The purpose of the present invention is to provide a clamp that is convenient for welders to operate; another purpose of the present invention is to provide a clamp that ensures welding quality.

[0005] Technical solution: A heat pipe bundle welding fixture, including a cantilever lifting support, the number of the cantilever lifting supports is two, the inner side of the cantilever lifting support is disassembled with a lifting platform by bolts, the upper surface of the lifting platform is disassembled with a bearing seat by bolts, the top of the bearing seat is rotatably connected with a rotating shaft by a rotating shaft, the upper surface of the lifting platform located on the left side of the two rotating shafts is disassembled with a reduction motor by bolts, the right end of the output end of the reduction motor extends to the inner side of the rotating shaft close to the right side of the reduction motor; cantilevers are fixedly connected to the opposite sides of the two rotating shafts, a plurality of straight heat pipe fixed main beams are arranged between the two cantilevers, and the straight heat pipe fixed main beams and the cantilevers are fixedly connected to the cantilever. The opposite sides are connected by bolts, and the opposite ends of the two opposite left and right straight heat pipe fixed main beams are installed with width adjustment plates by bolts, and the two adjacent width adjustment plates are connected by bolts; the outer side wall of the cantilever and the outer side wall of the width adjustment plate are installed with bow tube support coarse adjustment plates by bolts, and the bow heat pipe support plate is installed between the two opposite left and right bow tube support coarse adjustment plates by bolts; the straight heat pipe clamping main beam is installed by bolts between the two straight heat pipe fixed main beams close to the cantilever, and the opposite sides of the two straight heat pipe clamping main beams are symmetrically installed with sliders by bolts, and the opposite sides of the two opposite left and right sliders are installed with conical top blocks by bolts.

[0006] Furthermore, the outer wall of the rotating shaft is threadedly connected with a drive shaft limiting pin, and the bottom end of the drive shaft limiting pin extends to the inner side of the rotating shaft and contacts the outer wall of the output shaft of the reduction motor.

[0007] Furthermore, a through-type bow heat pipe support plate height fine-adjustment slide groove is provided on the left side of the bow pipe support coarse-adjustment plate.

[0008] Furthermore, a through-type bow heat pipe support plate height coarse adjustment hole is provided on the front surface of the bow heat pipe support coarse adjustment plate.

[0009] Furthermore, a plurality of through-type straight heat pipe fixing main beam width adjustment holes are provided on the left side of the width adjustment plate.

[0010] Furthermore, the upper surface of the straight heat pipe fixing main beam is provided with a plurality of through-type straight heat pipe clamping main beam positioning coarse adjustment holes.

[0011] Furthermore, a through-type horizontal fine-tuning slide groove for the heat pipe support plate is provided on the left side of the heat pipe support plate.

[0012] Furthermore, a through-type conical top block slide groove is opened on the left side of the slider, and straight heat pipe clamping main beam measuring scales are provided on the opposite sides of the straight heat pipe clamping main beam. A slider slide groove is opened symmetrically front and back on the left side of the straight heat pipe clamping main beam, and a through-type straight heat pipe clamping main beam fine-tuning slide groove is opened on the lower surface of the straight heat pipe clamping main beam.

[0013] Furthermore, the two opposite left and right conical top blocks are integrally formed with conical top block sliding blocks on their opposite sides.

[0014] Beneficial effects: Different batches of bow-shaped heat pipe bundles can be welded on one tool, and welding can be achieved at different workstations, effectively avoiding deformation of the bundle caused by workpiece hoisting and turning over, reducing the work intensity of workers, and ensuring welding appearance and welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0016] Figure 2 It is a schematic diagram of the connection structure of the reduction motor, the lifting platform, the bearing seat, the bearing and the driving shaft limit pin of the present invention;

[0017] Figure 3 It is a schematic diagram of the connection structure of the cantilever, the straight heat pipe fixed main beam and the width adjustment plate of the present invention;

[0018] Figure 4 It is a schematic diagram of the connection structure of the bow tube support coarse adjustment plate and the bow heat pipe support plate of the present invention;

[0019] Figure 5 It is a structural schematic diagram of the straight heat pipe clamping main beam of the present invention;

[0020] Figure 6 It is a schematic diagram of the partial connection structure of the straight heat pipe clamping main beam and the conical top block of the present invention;

[0021] Figure 7 It is a schematic diagram of the connection structure of the conical top block and the conical top block slider of the present invention.

[0022] In the figure: 1. Cantilever lifting support; 2. Slider; 3. Straight heat pipe clamping main beam; 4. Conical top block; 5. Bow tube support coarse adjustment plate; 6. Bow heat pipe support plate; 7. Straight heat pipe fixed main beam; 8. Width adjustment plate; 9. Cantilever; 10. Drive shaft limit pin; 11. Rotating shaft; 12. Reducer motor; 13. Lifting platform; 14. Bearing seat; 15. Bow heat pipe support plate height fine adjustment slide; 16. Bow heat pipe support plate height coarse adjustment hole; 17. Straight heat pipe fixed main beam width adjustment hole; 18. Straight heat pipe clamping main beam positioning coarse adjustment hole; 19. Bow heat pipe support plate horizontal fine adjustment slide; 20. Conical top block slide; 21. Straight heat pipe clamping main beam measurement scale; 22. Slider slide; 23. Straight heat pipe clamping main beam fine adjustment slide; 24. Conical top block slider. DETAILED DESCRIPTION

[0023] In order to make the technical solution of the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0024] Example 1

[0025] like Figure 1 As shown, a heat pipe bundle welding fixture is provided, including a cantilever lifting support 1, the number of the cantilever lifting supports 1 is two, and a lifting platform 13 is installed on the inner side of the cantilever lifting support 1 by bolts;

[0026] The jib lifting support 1 and the lifting platform 13 constitute a rotating system height adjustment mechanism, which can adjust the height of the rotating system during flipping and adjust the welding operation area to a reasonable height;

[0027] The upper surface of the lifting platform 13 is equipped with a bearing seat 14 by bolts, and the top of the bearing seat 14 is rotatably connected with a rotating shaft 11 by a rotating shaft. The upper surface of the lifting platform 13 located on the left side of the two rotating shafts 11 is equipped with a reduction motor 12 by bolts, and the right end of the output end of the reduction motor 12 extends to the inner side of the rotating shaft 11 close to the right side of the reduction motor 12. The opposite sides of the two rotating shafts 11 are fixedly connected with cantilevers 9;

[0028] The swing arm 9, the reduction motor 12, the rotating shaft 11 and the bearing seat 14 are composed of manual rotation, which not only reduces the burden on workers, but also makes the operation process safer and the rotation range more accurate;

[0029] A plurality of straight heat pipe fixing main beams 7 are arranged between the two cantilevers 9, and the straight heat pipe fixing main beams 7 are detachably connected to the opposite side of the cantilever 9 by bolts, and width adjustment plates 8 are detachably installed at the opposite ends of the two straight heat pipe fixing main beams 7 opposite to each other by bolts, and two adjacent width adjustment plates 8 are detachably connected by bolts;

[0030] The heat pipe fixing platform is formed by fixing the main beam 7 and the width adjustment plate 8 through the straight heat pipe;

[0031] The outer side wall of the cantilever 9 and the outer side wall of the width adjustment plate 8 are both installed with a bow tube support coarse adjustment plate 5 by disassembling bolts, and a bow heat pipe support plate 6 is installed between the two left and right opposite bow tube support coarse adjustment plates 5 by disassembling bolts;

[0032] The bow tube support coarse adjustment plate 5 and the bow heat pipe support plate 6 form a height adjustment mechanism for installing the bow heat pipe bundle, which can realize the height adjustment of the heat pipe bundle support with different bow heights;

[0033] A straight heat pipe clamping main beam 3 is installed between two straight heat pipe fixing main beams 7 near the cantilever 9 by disassembling bolts, and sliders 2 are symmetrically disassembled and installed on opposite sides of the two straight heat pipe clamping main beams 3 by disassembling bolts, and conical top blocks 4 are installed on opposite sides of two left and right opposite sliders 2 by disassembling bolts;

[0034] The straight heat pipe measurement clamping system can fix the straight heat pipe on the tooling and ensure the accuracy of the fixed distance;

[0035] The outer wall of the rotating shaft 11 is threadedly connected with a driving shaft limiting latch 10, and the bottom end of the driving shaft limiting latch 10 extends to the inner side of the rotating shaft 11 and contacts the outer wall of the output shaft of the reduction motor 12;

[0036] The locking mechanism of the rotation system composed of the bearing seat 14 and the driving shaft limit pin 10 can achieve fixed locking after rotating to a certain angle, thereby ensuring safety during welding.

[0037] like Figures 2 to 7 As shown, a through-type bow heat pipe support plate height fine adjustment slide groove 15 is provided on the left side of the bow pipe support coarse adjustment plate 5;

[0038] A through-type bow heat pipe support plate height coarse adjustment hole 16 is provided on the front surface of the bow heat pipe support coarse adjustment plate 5;

[0039] The left side of the width adjustment plate 8 is provided with a plurality of through-type straight heat pipe fixing main beam width adjustment holes 17;

[0040] The upper surface of the straight heat pipe fixing main beam 7 is provided with a plurality of through-type straight heat pipe clamping main beam positioning rough adjustment holes 18;

[0041] A through-type horizontal fine-tuning slide groove 19 for the heat pipe support plate is provided on the left side of the heat pipe support plate 6;

[0042] A through-type conical top block chute 20 is provided on the left side of the slider 2, and a straight heat pipe clamping main beam measuring scale 21 is provided on the opposite side of the straight heat pipe clamping main beam 3, a slider chute 22 is symmetrically provided on the left side of the straight heat pipe clamping main beam 3, and a through-type straight heat pipe clamping main beam fine-tuning chute 23 is provided on the lower surface of the straight heat pipe clamping main beam 3;

[0043] Conical top block sliders 24 are integrally formed on the opposite sides of the two conical top blocks 4;

[0044] Workflow: First, adjust the number of heat pipe fixing platforms on the tooling to match the lengths of straight heat pipes of different specifications. The heat pipe fixing platforms are connected with bolts through the width adjustment holes 17 of the straight heat pipe fixing main beam, and the two ends are connected to the swing arm 9 through the width adjustment holes 17 of the straight heat pipe fixing main beam;

[0045] The swing arm 9 is connected to the rotating shaft 11, the rotating shaft 11 passes through the bearing seat 14, the seat bearing 14 is fixed on the lifting platform 13, the output shaft of the reduction motor 12 is inserted into the inner side of the rotating shaft 11, and the rotating shaft 11 is provided with a limit pin hole, and the drive shaft limit pin 10 is inserted to fix it. The lifting platform 13 is fixed on the swing arm lifting support 1 through the stud support;

[0046] Fix the straight heat pipe clamping main beam 3 to the straight heat pipe fixed main beam 7 with bolts (not tightened) through the straight heat pipe clamping main beam fine adjustment slot 23 and the straight heat pipe clamping main beam positioning coarse adjustment hole 18, determine the position of the straight heat pipe clamping main beam measurement scale 21 on the straight heat pipe clamping main beam 3 according to the spacing of the straight heat pipes, and adjust the slider 2 to the scale position along the slider slot 22;

[0047] Use the conical top block 4 to support the two ends of the straight heat pipe, and place it flat on the straight heat pipe fixed main beam 7. Through the straight heat pipe clamping main beam fine-adjustment slide groove 23, insert the slider 2 of the conical top block 4 into the conical top block slide groove 20, and tighten the bolts between the straight heat pipe clamping main beam 3 and the straight heat pipe fixed main beam 7 to clamp the straight heat pipe, place the bow heat pipe in the groove of the bow heat pipe support plate 6, and roughly adjust the bow pipe support rough adjustment plate 5 through the bow heat pipe support plate height coarse adjustment hole 16 to match the specifications of the bow heat pipe;

[0048] Fine-tune the slide groove 15 through the height of the bow heat pipe support plate to align the bow heat pipe port with the reserved opening on the straight heat pipe in the vertical direction;

[0049] Through the horizontal fine-tuning slide groove 19 of the bow heat pipe support plate, the bow heat pipe port is aligned with the reserved opening on the straight heat pipe in the horizontal direction, and the front welding operation is carried out. The heat pipe fixing platform is lifted by a crane, and the studs supporting the lifting platform 13 are pulled out. The lifting platform 13 is lifted from the horizontal working position height to the vertical working position height, and the studs are reinserted to release the lifting state of the heat pipe fixing platform;

[0050] Pull out the drive shaft limit pin 10 to release the locked state of the rotation system;

[0051] Control the reduction motor 12 to rotate, rotate the heat pipe fixing platform to the vertical position, reinsert the drive shaft limit pin 10, restore the locked state of the rotation system, switch to the vertical state position, perform the reverse side welding operation, and after the welding operation is completed, remove the drive shaft limit pin 10 to release the locked state of the rotation system;

[0052] Control the reduction motor 12 to rotate, restore the heat pipe fixing platform to the horizontal position, reinsert the drive shaft limit pin 10, and restore the rotation system to the locked state;

[0053] Lift the heat pipe fixing platform by crane or other means, remove the studs supporting the lifting platform 13, lower the lifting platform 13 from the vertical working height to the horizontal working height, reinsert the studs, and release the lifting state of the heat pipe fixing platform;

[0054] Release the locking state of the straight heat pipe clamping main beam 3 and the straight heat pipe fixing main beam 7, pull out the conical top block 4, release the clamping state of the heat pipe workpiece, and move the workpiece to the storage area.

[0055] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A heat pipe bundle welding fixture, comprising a cantilever lifting support (1), characterized in that: The number of the cantilever lifting supports (1) is two, a lifting platform (13) is installed on the inner side of the cantilever lifting supports (1) by means of bolts, a bearing seat (14) is installed on the upper surface of the lifting platform (13) by means of bolts, the top of the bearing seat (14) is rotatably connected to a rotating shaft (11) by means of a rotating shaft, a reduction motor (12) is installed on the upper surface of the lifting platform (13) located on the left side of the two rotating shafts (11) by means of bolts, the right end of the output end of the reduction motor (12) extends to the inner side of the rotating shaft (11) close to the right side of the reduction motor (12); cantilevers (9) are fixedly connected to the opposite sides of the two rotating shafts (11), a plurality of straight heat pipe fixed main beams (7) are arranged between the two cantilevers (9), and the relative position of the straight heat pipe fixed main beams (7) and the cantilever (9) is The opposite sides are connected by bolts, and the opposite ends of the two opposite left and right straight heat pipe fixed main beams (7) are both installed with width adjustment plates (8) by bolts, and the two adjacent width adjustment plates (8) are connected by bolts; the outer side wall of the cantilever (9) and the outer side wall of the width adjustment plate (8) are both installed with bow tube support coarse adjustment plates (5) by bolts, and the bow heat pipe support plate (6) is installed between the two opposite left and right bow tube support coarse adjustment plates (5) by bolts; the straight heat pipe clamping main beam (3) is installed by bolts between the two straight heat pipe fixed main beams (7) close to the cantilever (9), and the opposite sides of the two straight heat pipe clamping main beams (3) are both installed with sliders (2) symmetrically installed by bolts, and the opposite sides of the two opposite left and right sliders (2) are both installed with conical top blocks (4) by bolts.

2. The heat pipe bundle welding fixture according to claim 1, characterized in that: The outer wall of the rotating shaft (11) is threadedly connected with a drive shaft limit pin (10), and the bottom end of the drive shaft limit pin (10) extends to the inner side of the rotating shaft (11) and contacts the outer wall of the output shaft of the reduction motor (12).

3. The heat pipe bundle welding fixture according to claim 1, characterized in that: A through-type heat pipe support plate height fine adjustment slide groove (15) is provided on the left side of the heat pipe support coarse adjustment plate (5).

4. The heat pipe bundle welding fixture according to claim 1, characterized in that: A through-type bow heat pipe support plate height coarse adjustment hole (16) is provided on the front surface of the bow heat pipe support coarse adjustment plate (5).

5. The heat pipe bundle welding fixture according to claim 1, characterized in that: A plurality of through-type straight heat pipe fixing main beam width adjustment holes (17) are provided on the left side of the width adjustment plate (8).

6. The heat pipe bundle welding fixture according to claim 1, characterized in that: The upper surface of the straight heat pipe fixing main beam (7) is provided with a plurality of through-type straight heat pipe clamping main beam positioning coarse adjustment holes (18).

7. The heat pipe bundle welding fixture according to claim 1, characterized in that: A through-type horizontal fine-tuning slide groove (19) for the heat pipe support plate is provided on the left side of the heat pipe support plate (6).

8. The heat pipe bundle welding fixture according to claim 1, characterized in that: A through-type conical top block slide groove (20) is provided on the left side of the slider (2), a straight heat pipe clamping main beam measurement scale (21) is provided on the opposite side of the straight heat pipe clamping main beam (3), a slider slide groove (22) is symmetrically provided on the left side of the straight heat pipe clamping main beam (3), and a through-type straight heat pipe clamping main beam fine-tuning slide groove (23) is provided on the lower surface of the straight heat pipe clamping main beam (3).

9. The heat pipe bundle welding fixture according to claim 1, characterized in that: Conical top block sliding blocks (24) are integrally formed on the opposite sides of the two conical top blocks (4) opposite to each other.

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