CN220388482U - Piston rod horizontal rotation positioning welding tool - Google Patents
Piston rod horizontal rotation positioning welding tool Download PDFInfo
- Publication number
- CN220388482U CN220388482U CN202322327493.7U CN202322327493U CN220388482U CN 220388482 U CN220388482 U CN 220388482U CN 202322327493 U CN202322327493 U CN 202322327493U CN 220388482 U CN220388482 U CN 220388482U
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- piston rod
- tailstock
- horizontal rotation
- welding tool
- wedge
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- 238000003466 welding Methods 0.000 title claims abstract description 64
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
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Abstract
The utility model discloses a piston rod horizontal rotation positioning welding tool which comprises a rack, a jacking mechanism, a bearing mechanism and a tailstock, wherein the jacking mechanism, the bearing mechanism and the tailstock are sequentially arranged on the rack; the clamping mechanism is provided with a dial indicator at the position close to the assembling end of the rod head and the piston rod, and the clamping mechanism clamps the rod head and the piston rod to be fixed by spot welding after the coaxiality and the perpendicularity of the rod head and the piston rod are adjusted through the dial indicator. This piston rod horizontal rotation tack welding frock sets up the percentage table through one side at the tight mechanism of top for after accomplishing the preliminary assembly of pole head and piston rod, can ensure axiality and straightness that hangs down of pole head and piston rod before the welding through the percentage table, the tight mechanism of top is used for tight pole head and piston rod of top to be fixed with carrying out spot welding by welder, thereby avoids flashing seam, wrong limit scheduling problem, in order to guarantee welding precision.
Description
Technical Field
The utility model relates to a piston rod horizontal rotation positioning welding tool, and belongs to the technical field of piston rod assembly.
Background
The piston rod and the rod head have the geometric tolerance requirements such as coaxiality and perpendicularity after being welded, but the rod head and the piston rod matching spigot are in clearance fit, so that the phenomenon of flash seam, wrong edge or play can occur if the rod head is not tightly propped up during welding, and the problem of precision reduction is caused. If the rod head and the piston rod are tightly propped, the piston rod cannot be fully welded in a rotating way, so that the welding difficulty is increased;
in order to avoid large deviation of verticality and coaxiality, the existing welding positioning mode is to arrange a pressing mechanism only on the radial direction of a piston rod and rod heads at two ends of the piston rod during positioning welding, and lock the positions of the rod heads and the piston rod; however, the piston rod and the rod heads at the two ends need to be tightly pressed, after the rod heads are aligned, the three positions need to be respectively clamped, so that the problem of deflection and dislocation of the rod heads can be caused, and the positions need to be gradually and respectively tightly pressed during clamping, so that the operation is complicated, and the welding precision and efficiency are affected;
therefore, in order to avoid the problems of flashing seams, misalignment and the like of the club head during welding and ensure the welding precision, a horizontal rotation positioning welding tool for the piston rod is needed.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a horizontal rotation positioning welding tool for a piston rod, which is characterized in that a dial indicator is arranged on one side of a tightening mechanism, so that after the initial assembly of a rod head and the piston rod is finished, coaxiality and verticality of the rod head and the piston rod before welding can be ensured through the dial indicator, the tightening mechanism is used for tightening the rod head and the piston rod to be fixed by a welding gun through spot welding, and then the rod head and the piston rod which are fixed through spot welding can be transferred to a welding machine to be automatically welded, so that the problems of flashing, edge staggering and the like are avoided, and the welding precision is ensured.
In order to achieve the above purpose/solve the above technical problems, the present utility model is realized by adopting the following technical scheme: a piston rod horizontal rotation positioning welding tool comprises a rack, a jacking mechanism, a bearing mechanism and a tailstock which are sequentially arranged on the rack,
the bearing mechanism is used for bearing a piston rod to be welded, and the tailstock is used for supporting one end of the piston rod;
the clamping mechanism is provided with a dial indicator at the position close to the assembling end of the rod head and the piston rod, and the clamping mechanism clamps the rod head and the piston rod to be fixed by spot welding after the coaxiality and the perpendicularity of the rod head and the piston rod are adjusted through the dial indicator.
Further, the tailstock comprises a tailstock main body and a tailstock top, wherein,
the tailstock main body is arranged on the rack;
the tail top is detachably arranged on one side, close to the bearing structure, of the tail seat main body.
Further, the tailstock main body is slidably mounted on the rack, so that the working position can be adjusted according to the length of the piston rod, and the tailstock main body is fixed through the anti-disengaging mechanism after adjustment.
Further, one end of the tail top, which is close to the piston rod, is provided with a taper.
Further, the anti-disengaging mechanism comprises a wedge-shaped anti-disengaging buckle and a wedge block, wherein,
the plurality of wedge blocks are symmetrically arranged on the front side and the rear side of the rack;
the wedge-shaped anti-falling buckle is matched with the wedge-shaped block, and the wedge-shaped block is fixed on the front side and the rear side of the tailstock main body.
Further, the propping mechanism comprises a hydraulic press and a top disc, wherein,
the hydraulic press is fixed on the rack, and the top disc is detachably arranged on one side, close to the bearing structure, of the hydraulic press.
Further, the bearing mechanism comprises a supporting part, a connecting part and a bearing roller, wherein,
the supporting part is arranged on the rack, and the bearing roller is arranged on the top side of the supporting part through the connecting part;
the number of the connecting parts is two, and the two connecting parts are symmetrically arranged on the front side and the rear side of the top end of the supporting part.
Further, the connecting part comprises a bracket and an adjusting screw, wherein,
the bracket is slidably mounted on the support portion and is connected with the adjusting screw so as to adjust the working position of the bearing roller on the bracket in the radial direction of the piston rod through the adjusting screw.
Further, the bearing roller is made of nylon.
Compared with the prior art, the utility model has the beneficial effects that:
according to the horizontal rotation positioning welding tool for the piston rod, the dial indicator is arranged on one side of the tightening mechanism, so that after the preliminary assembly of the rod head and the piston rod is completed, coaxiality and perpendicularity of the rod head and the piston rod before welding can be ensured through the dial indicator, the tightening mechanism is used for tightening the rod head and the piston rod to be fixed by a welding gun through spot welding, and then the rod head and the piston rod after the spot welding fixing can be transferred to a welding machine to be automatically welded, so that the problems of seam flashing, edge staggering and the like are avoided, and the welding precision is ensured;
according to the piston rod horizontal rotation positioning welding tool, the tailstock is adjustably arranged on the top side of the rack, so that the working position can be adjusted according to the length of the piston rod, applicability is improved, the risk that the tailstock is inclined backwards during jacking is avoided by arranging the anti-drop mechanism, and the tailstock position is convenient to detach and adjust;
according to the piston rod horizontal rotation positioning welding tool, the tail top is detachably arranged on one side, close to the piston rod, of the tailstock main body, so that the tail top can be replaced conveniently to meet the supporting requirements of piston rods with different specifications;
according to the horizontal rotation positioning welding tool for the piston rod, provided by the utility model, the bracket and the adjusting bolt are arranged in the bearing mechanism, so that the distance between the bearing rollers is adjusted according to the diameter of the piston rod, and the applicability is improved;
according to the piston rod horizontal rotation positioning welding tool provided by the utility model, the bearing roller is made of nylon, so that collision and coating damage on the surface of the piston rod can be prevented when the bearing mechanism bears the piston rod.
Drawings
Fig. 1 is a schematic structural diagram of a piston rod horizontal rotation positioning welding tool according to a first embodiment;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the support mechanism of FIG. 1;
FIG. 4 is a schematic top view of the support mechanism of FIG. 3;
fig. 5 is a schematic view of the tailstock of fig. 1.
In the figure: 1. a stand; 2. a piston rod; 3. a dial indicator; 4. a welding gun; 5. a tailstock main body; 6. a tail top; 7. wedge-shaped anti-falling buckle; 8. wedge blocks; 9. a hydraulic press; 10. a top plate; 11. a support roller; 12. a bracket; 13. and adjusting the screw.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
Example 1
As shown in fig. 1-5, the embodiment provides a piston rod horizontal rotation positioning welding tool, which comprises a rack 1, and a tightening mechanism, a bearing mechanism and a tailstock which are sequentially arranged on the rack 1,
the bearing mechanism is used for bearing the piston rod 2 to be welded, and the tailstock is used for supporting one end of the piston rod 2;
the tightening mechanism is provided with a dial indicator 3 near the assembling end of the rod head K and the piston rod 2, and after the coaxiality and the perpendicularity of the rod head K and the piston rod 2 are adjusted through the dial indicator 3, the tightening mechanism tightens the rod head K and the piston rod 2 to be fixed through spot welding by a welding gun 4.
In the above technical scheme, through setting up percentage table 3 in one side of tight mechanism of top for after accomplishing the preliminary assembly of pole head K and piston rod 2, can ensure axiality and straightness that hangs down of pole head K and piston rod 2 before the welding through percentage table 3, tight mechanism of top is used for tight pole head K and piston rod 2 of top with carry out spot welding by welder 4 and fix, then can shift the pole head K who accomplishes spot welding fixedly and piston rod 2 to the welding machine and carry out automatic weld, thereby avoid flashing, wrong limit scheduling problem, in order to guarantee welding accuracy.
In some embodiments, to achieve a support of the piston rod 2 by the tailstock, the tailstock comprises a tailstock body 5 and a tailstock crown 6, wherein,
the tailstock main body 5 is arranged on the rack 1;
for the support demand that is convenient for follow-up change tail top 6 in order to satisfy different specification piston rod 2, tail top 6 demountable installation is close to bearing structure's one side in tailstock main part 5, and the tail top is used for supporting piston rod 2, to the special-shaped structure of piston rod 2, but the individual design tail top 6 has promoted the suitability of tail top 6.
In some embodiments, to adjust the position of the tailstock according to the length of the piston rod 2, the tailstock body 5 is slidably mounted on the stand 1 to adjust the working position according to the length of the piston rod 2, and is fixed by a locking mechanism after the adjustment.
In order to adapt to the piston rods 2 with different rod diameters as much as possible, the end of the tail top 6, which is close to the piston rod 2, is provided with a taper.
In some embodiments, to achieve a supporting fixation of the tailstock body 5 by the anti-disengaging mechanism, the anti-disengaging mechanism comprises a wedge-shaped anti-disengaging buckle 7 and a wedge block 8, wherein,
the number of the wedge blocks 8 is several, and the wedge blocks 8 are symmetrically arranged on the front side and the rear side of the rack 1;
the wedge-shaped anti-falling buckle 7 is matched with the wedge-shaped block 8, and the wedge-shaped block 8 is fixed on the front side and the rear side of the tailstock main body 5; specifically, the wedge-shaped anti-falling buckle 7 is provided with a clamping groove matched with the wedge-shaped block 8 towards one side (namely the right side in the direction of illustration) of the wedge-shaped block 8, so that the tailstock main body 5 is supported when the clamping groove in the wedge-shaped anti-falling buckle 7 is contacted with the wedge-shaped block 8, when the matching of the wedge-shaped anti-falling buckle 7 and the wedge-shaped block 8 is required to be released, the tailstock main body 5 is moved towards the direction away from the wedge-shaped block 8, then the tailstock main body 5 can be lifted to change the position, and after the tailstock main body 5 is moved to a proper position, the wedge-shaped anti-falling buckle 7 is matched with the wedge-shaped block 8.
In some embodiments, to achieve the tightening of the head K and the piston rod 2 by the tightening mechanism, the tightening mechanism comprises a hydraulic machine 9 and a top plate 10, wherein,
the hydraulic press 9 is fixed on the rack 1, and the top disc 10 is detachably arranged on one side of the hydraulic press 9, which is close to the bearing structure; the removable connection of the top disk 10 with the hydraulic machine 9 allows to replace the proper top disk 10 according to the form of the head K;
the top plate 10 is copper, and can effectively prevent collision.
In some embodiments, for the purpose of carrying the piston rod 2 by a carrying mechanism, said carrying mechanism comprises a support part, a connecting part and a carrying drum 11, wherein,
the supporting part is arranged on the rack 1, and the bearing roller 11 is arranged on the top side of the supporting part through a connecting part;
the number of the connecting parts is two, and the two connecting parts are symmetrically arranged at the front side and the rear side of the top end of the supporting part;
by adopting the support roller 11 to support the piston rod 2, the piston rod can rotate freely compared with the mode of supporting the V-shaped block.
In some embodiments, for adjusting the distance between the support cylinders 11 according to the diameter of the piston rods, the connection comprises a bracket 12 and an adjusting screw 13, wherein,
the bracket 12 is slidably mounted on the supporting part, and the bracket 12 is connected with the adjusting screw 13 so as to adjust the working position of the bearing roller 11 on the bracket 12 in the radial direction of the piston rod 2 through the adjusting screw 13; specifically, the bracket 12 is slidably connected to the support portion through a slider fixed to the bottom side, the bracket 12 is screwed to the adjusting screw 13, the other end of the adjusting screw 13 is rotatably connected to a support plate, the bracket 12 is located between the support plate and the adjusting end (i.e., the manual adjustment position) of the adjusting screw 13, and the support plate is fixed to the support portion to realize movement of the bracket 12 by rotating the adjusting screw 13.
In some embodiments, in order to prevent the surface of the piston rod 2 from being knocked and damaged when the bearing mechanism bears the piston rod 2, the bearing roller 11 is made of nylon.
In summary, according to the horizontal rotation positioning welding tool for the piston rod provided by the embodiment, by arranging the dial indicator 3 on one side of the tightening mechanism, after the preliminary assembly of the rod head K and the piston rod 2 is completed, coaxiality and verticality of the rod head K and the piston rod 2 before welding can be ensured through the dial indicator 3, the tightening mechanism is used for tightening the rod head K and the piston rod 2 to be fixed by the welding gun 4 through spot welding, and then the rod head K and the piston rod 2 which are fixed through spot welding can be transferred to the welding machine to be automatically welded, so that the problems of flashing, edge staggering and the like are avoided, and the welding precision is ensured; the tailstock is adjustably arranged on the top side of the rack 1, so that the working position can be adjusted according to the length of the piston rod 2, the applicability is improved, the risk that the tailstock is inclined backwards during jacking is avoided by arranging the anti-drop mechanism, and the tailstock position is convenient to detach and adjust; the tail top 6 is detachably arranged on one side, close to the piston rod 2, of the tail seat main body 5, so that the tail top 6 can be replaced conveniently to meet the supporting requirements of the piston rods 2 with different specifications; the bracket 12 and the adjusting bolt 13 in the bearing mechanism are arranged, so that the distance between the bearing rollers 11 is adjusted according to the diameter of the piston rod, and the applicability is improved; the supporting roller 11 is made of nylon, so that collision and damage to the plating layer on the surface of the piston rod 2 can be prevented when the supporting mechanism supports the piston rod 2.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (9)
1. A piston rod horizontal rotation positioning welding tool is characterized by comprising a rack (1), and a jacking mechanism, a bearing mechanism and a tailstock which are sequentially arranged on the rack (1),
the bearing mechanism is used for bearing the piston rod (2) to be welded, and the tailstock is used for supporting one end of the piston rod (2);
the assembly end of the propping mechanism, which is close to the rod head and the piston rod (2), is provided with a dial indicator (3), and after coaxiality and verticality of the rod head and the piston rod (2) are adjusted through the dial indicator (3), the propping mechanism is propped against the rod head and the piston rod (2) to be fixed by spot welding.
2. The piston rod horizontal rotation tack welding tool according to claim 1, wherein the tailstock comprises a tailstock body (5) and a tailstock top (6), wherein,
the tailstock main body (5) is arranged on the rack (1);
the tail top (6) is detachably arranged on one side, close to the bearing structure, of the tail seat main body (5).
3. The piston rod horizontal rotation tack welding tool according to claim 2, wherein the tailstock body (5) is slidably mounted on the stand (1) to adjust the working position according to the length of the piston rod (2) and is fixed by a locking mechanism after adjustment.
4. The piston rod horizontal rotation tack welding tool according to claim 2, wherein one end of the tail top (6) close to the piston rod (2) is provided with a taper.
5. The piston rod horizontal rotation tack welding tool according to claim 3, wherein the anti-disengaging mechanism comprises a wedge-shaped anti-disengaging buckle (7) and a wedge-shaped block (8), wherein,
the number of the wedge-shaped blocks (8) is several, and the wedge-shaped blocks (8) are symmetrically arranged on the front side and the rear side of the rack (1);
the wedge-shaped anti-falling buckle (7) is matched with the wedge-shaped block (8), and the wedge-shaped block (8) is fixed on the front side and the rear side of the tailstock main body (5).
6. The piston rod horizontal rotation tack welding tool according to claim 1, wherein the jacking mechanism comprises a hydraulic press (9) and a top disk (10), wherein,
the hydraulic machine (9) is fixed on the rack (1), and the top disc (10) is detachably arranged on one side, close to the bearing structure, of the hydraulic machine (9).
7. The piston rod horizontal rotation tack welding tool according to claim 1, wherein the bearing mechanism comprises a support part, a connecting part and a bearing roller (11), wherein,
the supporting part is arranged on the rack (1), and the bearing roller (11) is arranged on the top side of the supporting part through the connecting part;
the number of the connecting parts is two, and the two connecting parts are symmetrically arranged on the front side and the rear side of the top end of the supporting part.
8. The piston rod horizontal rotation tack welding tool according to claim 7, wherein the connection comprises a bracket (12) and an adjusting screw (13), wherein,
the bracket (12) is slidably mounted on the supporting part, and the bracket (12) is connected with the adjusting screw (13) so as to adjust the working position of the bearing roller (11) on the bracket (12) in the radial direction of the piston rod (2) through the adjusting screw (13).
9. The piston rod horizontal rotation tack welding tool as claimed in claim 7, wherein the bearing roller (11) is made of nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322327493.7U CN220388482U (en) | 2023-08-29 | 2023-08-29 | Piston rod horizontal rotation positioning welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322327493.7U CN220388482U (en) | 2023-08-29 | 2023-08-29 | Piston rod horizontal rotation positioning welding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220388482U true CN220388482U (en) | 2024-01-26 |
Family
ID=89611878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322327493.7U Active CN220388482U (en) | 2023-08-29 | 2023-08-29 | Piston rod horizontal rotation positioning welding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220388482U (en) |
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2023
- 2023-08-29 CN CN202322327493.7U patent/CN220388482U/en active Active
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