Multi-station rotary positioning welding device for shaft end base

Abstract

The utility model belongs to the technical field of welding tools, and particularly relates to a multi-station rotary positioning welding device for a shaft end base. The shaft end base welding device solves the problem of shaft end base welding and comprises a support assembly, a plurality of welding faces are arranged on the support assembly, and each welding face is provided with a positioning assembly used for positioning a part to be welded. The two support assemblies are arranged on the two sides of the support installing and welding piece, and the support assembly is installed between the two support assemblies through a transmission shaft and can rotate around the transmission shaft. And the bracket assembly is arranged on the base assembly. Through the multi-station design, the welding efficiency is improved. Namely, various parts are accurately assembled and quickly positioned, and welding operation of all stations can be completed through one-time clamping on a welding tool clamp.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding tooling, in particular to a multi-station rotary positioning welding device for a shaft end base. Background Art

[0002] The axle end base is a connecting component between the vehicle body and the axle system in a rail vehicle. It provides solid support for the end of the axle, bears various loads during the operation of the vehicle, ensures that the axle end components can be stably installed and operated, and improves the reliability of the entire vehicle. At the same time, it assists the vehicle in accurately guiding on the rail, helps maintain the stability and balance of the vehicle, reduces vibration and shaking, and ensures driving safety. When the rail vehicle starts, brakes, and passes through a curve, it bears certain impacts and loads, transfers the weight and power of the vehicle to the track, protects the axle end and its components from damage by external factors, and also facilitates the inspection and maintenance of the axle end components.

[0003] The traditional production process is that the shaft end base assembly weldment (multiple parts and multiple positioning dimensions are assembled on the workpiece) is first manually riveted and welded through traditional low-end measures, and then processed in a machining center to achieve the precise dimensions required by the drawing.

[0004] The shaft end base assembly is made of simple jigs and assembled inefficiently during the welding production process. After welding, the workpiece will be deformed and needs to be processed again in the machining center to finally meet the technical requirements of the workpiece size. In this way, it is very important to ensure welding accuracy, deformation and efficiency during the welding process of the shaft end base. However, traditional welding jigs have problems such as inaccurate positioning, welding deformation, multiple flow processes, low production efficiency, high production cost, and high labor intensity of workers. Summary of the invention

[0005] In order to solve the problem of shaft end base welding, the utility model provides a shaft end base multi-station rotary positioning welding device.

[0006] The utility model adopts the following technical scheme: a multi-station rotary positioning welding device for a shaft end base, comprising:

[0007] A support assembly, wherein a plurality of welding surfaces are arranged on the support assembly, and each welding surface is provided with a positioning assembly for positioning the parts to be welded;

[0008] Two bracket assemblies, the bracket assemblies are arranged on both sides of the support assembly weldment, the support assembly is installed between the two bracket assemblies through a transmission shaft, and can rotate around the transmission shaft;

[0009] A base assembly, the bracket assembly is arranged on the base assembly.

[0010] In some embodiments, the support assembly is a cylindrical structure.

[0011] In some embodiments, the support assembly is a square column structure with four faces, and the square column structure has four welding faces.

[0012] In some embodiments, positioning the parts to be welded includes:

[0013] Two positioning plates, the two positioning plates are respectively arranged at the two ends of the welding surface, one end of the positioning plate is provided with a circular hole, and a positioning pin is arranged in the circular hole for positioning the workpiece to be welded;

[0014] Two pads, the two pads are respectively arranged between two positioning plates of the welding surface;

[0015] Two groups of positioning holes are arranged between two pads, each group of positioning holes has two holes, fastening bolts are arranged in the holes, and the two fastening bolts are used to fix a U-shaped pressure plate.

[0016] In some embodiments, the locating latch comprises:

[0017] A latch end portion, wherein the latch end portion is inserted into the circular hole;

[0018] The latch head is integral with the latch end, the latch head is exposed in the round hole, and a through hole is arranged on the latch head.

[0019] In some embodiments, the base assembly includes an I-beam, and bottom plates are fixed to the upper sides of both ends of the I-beam for fixing the bracket assembly, and base plates are fixed to the lower sides of both ends of the I-beam.

[0020] In some embodiments, the bracket assembly includes:

[0021] A support plate, wherein the support plate is arranged vertically, a bearing hole is opened at the center of the support plate, a bearing is arranged in the bearing hole, and the center of the bearing is connected to the end of the support assembly through a transmission shaft;

[0022] The support bottom plate is horizontally arranged and used to fix the support vertical plate. A plurality of rib plates are arranged between the support vertical plate and the support bottom plate.

[0023] In some embodiments, a circle of support positioning holes is provided on the bracket vertical plate with the bearing hole as the center;

[0024] The support assembly is provided with side panels at both ends, and the side panels are provided with side panel positioning holes;

[0025] The support positioning holes correspond to the side plate positioning holes one by one, and at least one positioning pin is inserted between the two.

[0026] In some embodiments, more than two rows of long holes are set on the bracket bottom plate, and bolts are set in the long holes. The bracket bottom plate is fixed to the base assembly through the bolts.

[0027] In some embodiments, the locating pin comprises:

[0028] A positioning pin end, the positioning pin end is arranged in the support positioning hole and the side plate positioning hole, the positioning pin end is a cylinder with two steps, the diameters of the two steps are respectively the same as the diameters of the support positioning hole and the side plate positioning hole, and the diameter of the support positioning hole is larger than the diameter of the side plate positioning hole;

[0029] The locating pin head is an integral structure with the locating pin end, the locating pin head is exposed outside the support locating hole, and a through hole is arranged on the locating pin head.

[0030] Compared with the prior art, the utility model has the following beneficial effects:

[0031] The utility model improves welding efficiency through multi-station design, that is, accurate assembly and rapid positioning of various parts, and all welding operations at all stations can be completed by clamping on the welding fixture once.

[0032] The precise positioning fixture of the utility model ensures the welding quality. Compared with manual riveting and welding, the welding fixture has the characteristics of high efficiency, high quality, high economy, and reduced welding labor intensity. At the same time, the positioning accuracy is high, thereby ensuring the quality and precision of the product, and solving the problem of numerous processing procedures and long construction period in the production of batch shaft end bases. After welding and forming, the accuracy requirements of the drawings can be directly guaranteed without further processing.

[0033] The utility model also plays a role of compulsory restraint and anti-deformation measure during welding.

[0034] The utility model has the advantages of simple structure and convenient operation and can be widely used in the welding production and manufacturing of large quantities of shaft end bases. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 This is the front view of the multi-station rotary positioning welding device for the shaft end base;

[0036] Figure 2 This is a side view of the multi-station rotary positioning welding device for the shaft end base;

[0037] Figure 3 This is a three-dimensional diagram of the multi-station rotary positioning welding device for the shaft end base;

[0038] Figure 4 This is the main view of the support assembly;

[0039] Figure 5 is a three-dimensional diagram of the support assembly;

[0040] Figure 6 is a three-dimensional diagram of the bracket assembly;

[0041] Figure 7 is a three-dimensional diagram of the base assembly;

[0042] Figure 8 It is a three-dimensional diagram of the U-shaped pressure plate;

[0043] Fig. 9 It is a three-dimensional diagram of the positioning pin;

[0044] Fig.10 This is a three-dimensional diagram of the positioning pin. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0046] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effect and purpose that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of the relative relationship, without substantial change of the technical content, should also be regarded as the scope of the implementation of the utility model.

[0047] like Figure 1-3 As shown, a multi-station rotary positioning welding device for a shaft end base includes:

[0048] A support assembly 3 is provided with a plurality of welding surfaces, each welding surface is provided with a positioning assembly for positioning a workpiece 5 to be welded; a positioning workbench which can accurately clamp the shaft end base to ensure accurate positioning of the shaft end base, and a working platform assembly which can reverse the deformation and position the shaft end base.

[0049] Two bracket assemblies 2, the bracket assemblies are arranged on both sides of the support assembly weldment, the support assembly is installed between the two bracket assemblies through the transmission shaft and can rotate around the transmission shaft; it is used to carry the transmission shaft assembly and realize multi-station switching of the rotating support assembly.

[0050] A base assembly 1, the bracket assembly is arranged on the base assembly. The base assembly is used to carry various components of the welding tooling, so that the welding position is appropriate and the loading and unloading of workpieces is convenient.

[0051] like Figure 4 As shown, the support assembly is a columnar structure.

[0052] Specifically, the support assembly is a square column structure with four faces, and the square column structure has four welding faces. In other embodiments, a triangular prism structure with three faces can also be used as long as sufficient welding space can be provided.

[0053] In some embodiments, positioning the parts to be welded includes:

[0054] Two positioning plates 3.2, the two positioning plates 3.2 are respectively arranged at the two ends of the welding surface, one end of the positioning plate 3.2 is provided with a circular hole 3.3, and a positioning pin is arranged in the circular hole 3.3 for positioning the to-be-welded part 5;

[0055] Two pads 3.4, the two pads 3.4 are respectively arranged between the two positioning plates 3.2 of the welding surface;

[0056] Two groups of positioning holes 3.5 are arranged between two pads 3.4. Each group of positioning holes has two holes, and fastening bolts are arranged in the holes. The two fastening bolts are used to fix a U-shaped pressure plate 4.

[0057] Specifically, the circular hole 3.3 is used to achieve the required multi-station positioning, corresponds to the screw hole on the welded part 5, and inserts the positioning pin. The utility model is designed with a workbench for anti-deformation positioning of the workpiece, and the pad 3.4 can make the positioning height difference 1mm, so that the workpiece can meet the drawing requirements after welding without further finishing.

[0058] The U-shaped pressing plate 4 is pressed on the workpiece 5 to be welded, and the U-shaped pressing plate 4 and the positioning hole 3.5 are locked by bolts, so that the workpiece 5 to be welded is fixed.

[0059] like Fig.10 As shown, the positioning pin includes:

[0060] A latch end b, the latch end b being inserted into the circular hole 3.3;

[0061] The latch head a is integral with the latch end b, the latch head a is exposed from the round hole, and a through hole c is arranged on the latch head a.

[0062] Specifically, after the welded part 5 is positioned, a hole is provided on the welded part 5 itself, and the positioning pin is inserted into the hole of the welded part 5 and the circular hole 3.3 to lock the two, and at the same time, a nail is inserted into the through hole c of the pin head a to lock it.

[0063] like Figure 7 As shown, the base assembly includes an I-beam 1.1, bottom plates 1.3 are fixed to the upper sides of both ends of the I-beam 1.1 for fixing the bracket assembly 2, and base plates 1.2 are fixed to the lower sides of both ends of the I-beam 1.1.

[0064] like Figure 6 As shown, the bracket assembly includes:

[0065] A support plate 2.2, wherein the support plate 2.2 is arranged vertically, a bearing hole 2.4 is provided at the center of the support plate 2.2, a bearing is provided in the bearing hole 2.4, and the center of the bearing is connected to the end of the support assembly through a transmission shaft;

[0066] The support bottom plate 2.1 is horizontally arranged and used to fix the support vertical plate 2.2. A plurality of rib plates 2.3 are arranged between the support vertical plate 2.2 and the support bottom plate 2.1.

[0067] A circle of support positioning holes 2.5 are arranged on the bracket vertical plate 2.2 with the bearing hole 2.4 as the center;

[0068] The support assembly 3 is provided with side panels 3.1 at both ends, and the side panels 3.1 are provided with side panel positioning holes 3.6;

[0069] The support locating holes 2.5 correspond to the side plate locating holes 3.6 one by one, and at least one locating pin is inserted between the two.

[0070] In some embodiments, more than two rows of elongated holes 2.6 are arranged on the bracket bottom plate 2.1, and bolts are arranged in the elongated holes 2.6, and the bracket bottom plate is fixed to the base assembly 3 by the bolts.

[0071] Specifically, a plurality of bolt holes are provided on the bottom plate 1.3, and the bolt holes correspond to the elongated holes 2.6, through which bolts are passed for fixing, and fine adjustment can be performed by adjusting the positions of the bolts in the elongated holes 2.6.

[0072] like Fig. 9 As shown, the positioning pin includes:

[0073] A positioning pin end d, the positioning pin end is arranged in the support positioning hole 2.5 and the side plate positioning hole 3.6, the positioning pin end is a cylinder with two steps, the diameters of the two steps are respectively the same as the diameters of the support positioning hole and the side plate positioning hole, and the diameter of the support positioning hole 2.5 is larger than the diameter of the side plate positioning hole 3.6;

[0074] The locating pin head e is an integral structure with the locating pin end, the locating pin head is exposed outside the support locating hole, and a through hole f is provided on the locating pin head.

[0075] Specifically, after the rotating support assembly 3 is positioned, the positioning pin is inserted into the support positioning hole 2.5 and the side plate positioning hole 3.6 to lock the rotating support assembly 3, and a nail can be inserted into the through hole f to lock it.

[0076] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A multi-station rotary positioning welding device for a shaft end base, characterized in that: include: A support assembly, wherein a plurality of welding surfaces are arranged on the support assembly, and each welding surface is provided with a positioning assembly for positioning the parts to be welded; Two bracket assemblies, the bracket assemblies are arranged on both sides of the support assembly weldment, the support assembly is installed between the two bracket assemblies through a transmission shaft, and can rotate around the transmission shaft; A base assembly, the bracket assembly is arranged on the base assembly.

2. The multi-station rotary positioning welding device for the shaft end base according to claim 1 is characterized in that: The support assembly is a columnar structure.

3. The multi-station rotary positioning welding device for the shaft end base according to claim 2 is characterized in that: The support assembly is a square column structure with four faces, and the square column structure has four welding faces.

4. The multi-station rotary positioning welding device for the shaft end base according to claim 1 or 3, characterized in that: The positioning of the parts to be welded comprises: Two positioning plates, the two positioning plates are respectively arranged at the two ends of the welding surface, one end of the positioning plate is provided with a circular hole, and a positioning pin is arranged in the circular hole for positioning the workpiece to be welded; Two pads, the two pads are respectively arranged between two positioning plates of the welding surface; Two groups of positioning holes are arranged between two pads, each group of positioning holes has two holes, fastening bolts are arranged in the holes, and the two fastening bolts are used to fix a U-shaped pressure plate.

5. The multi-station rotary positioning welding device for the shaft end base according to claim 4 is characterized in that: The positioning latch comprises: A latch end portion, wherein the latch end portion is inserted into the circular hole; The latch head is integral with the latch end, the latch head is exposed in the round hole, and a through hole is arranged on the latch head.

6. The shaft end base multi-station rotary positioning welding device according to claim 1 is characterized in that: The base assembly comprises an I-beam, wherein bottom plates are fixed on the upper sides of both ends of the I-beam for fixing the bracket assembly, and base plates are fixed on the lower sides of both ends of the I-beam.

7. The multi-station rotary positioning welding device for the shaft end base according to claim 1 is characterized in that: The bracket assembly comprises: A support plate, wherein the support plate is arranged vertically, a bearing hole is opened at the center of the support plate, a bearing is arranged in the bearing hole, and the center of the bearing is connected to the end of the support assembly through a transmission shaft; The support bottom plate is horizontally arranged and used to fix the support vertical plate. A plurality of rib plates are arranged between the support vertical plate and the support bottom plate.

8. The shaft end base multi-station rotary positioning welding device according to claim 7 is characterized in that: The bracket vertical plate is provided with a circle of support positioning holes with the bearing hole as the center; The support assembly is provided with side panels at both ends, and the side panels are provided with side panel positioning holes; The support positioning holes correspond to the side plate positioning holes one by one, and at least one positioning pin is inserted between the two.

9. The multi-station rotary positioning welding device for the shaft end base according to claim 8 is characterized in that: The support bottom plate is provided with more than two rows of long holes, and bolts are arranged in the long holes, and the support bottom plate is fixed to the base assembly through the bolts.

10. The shaft end base multi-station rotary positioning welding device according to claim 8, characterized in that: The positioning pin comprises: A positioning pin end, the positioning pin end is arranged in the support positioning hole and the side plate positioning hole, the positioning pin end is a cylinder with two steps, the diameters of the two steps are respectively the same as the diameters of the support positioning hole and the side plate positioning hole, and the diameter of the support positioning hole is larger than the diameter of the side plate positioning hole; The locating pin head is an integral structure with the locating pin end, the locating pin head is exposed outside the support locating hole, and a through hole is arranged on the locating pin head.

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