Welding fixture

Abstract

The utility model discloses a welding fixture which comprises a base, a clamping assembly and an adjusting assembly, the clamping assembly is installed on the base, a connecting shaft is fixedly installed on the clamping assembly, and the clamping assembly is used for clamping a brake pedal. The adjusting assembly is installed on the base, the adjusting assembly and the clamping assembly are arranged at intervals, the adjusting assembly comprises a push-pull part and a fixing part, the fixing part is used for fixing the rocker arm to the push-pull part, the push-pull part is used for adjusting the distance between the rocker arm and the brake pedal, and the connecting shaft is used for connecting the brake pedal and the rocker arm. The brake pedal needing to be welded and machined and the rocker arm needing to be welded and machined are fixed to the clamping assembly and the adjusting assembly respectively, and the adjusting assembly can adjust the distance between the brake pedal and the rocker arm so that the brake pedal can make contact with the connecting shaft and be welded together. In other words, the welding clamp can fix two welding workpieces through one-time machining, welding machining does not need to be conducted separately, the welding machining procedure is simplified, and the welding machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of welding, in particular to welding fixture. BACKGROUND

[0002] The motorcycle foot brake pedal usually comprises a brake pedal and a rocker arm, and the brake pedal and the rocker arm are welded together through a connecting shaft. In the related art, the brake pedal and the rocker arm need to be welded separately during the manufacturing process of the foot brake pedal, the connecting shaft and the foot brake pedal are welded together using a fixture first, and then the rocker arm and the connecting shaft are welded together using another fixture. The complicated welding process not only increases the production cost, but also affects the production efficiency to some extent. SUMMARY

[0003] The utility model discloses a welding fixture, which has the advantages of simple operation and high production efficiency.

[0004] The welding fixture comprises a base, a clamping assembly installed on the base, a connecting shaft fixedly installed on the clamping assembly, and the clamping assembly is used for clamping the brake pedal; an adjusting assembly installed on the base and arranged at intervals with the clamping assembly, the adjusting assembly comprises a push-pull component and a fixing piece, the fixing piece is used for fixing the rocker arm to the push-pull component, the push-pull component is used for adjusting the distance between the rocker arm and the brake pedal, and the connecting shaft is used for connecting the brake pedal and the rocker arm.

[0005] The welding fixture has the following beneficial effects: the brake pedal and the rocker arm to be welded are fixed on the clamping assembly and the adjusting assembly respectively, the adjusting assembly can adjust the distance between the brake pedal and the rocker arm, so that the brake pedal and the connecting shaft are in contact and welded together. That is, the welding fixture can fix two welding workpieces at one time, and welding processing is not needed to be carried out separately, thereby simplifying the welding processing procedure, improving the welding processing efficiency of the foot brake pedal, and reducing the production cost.

[0006] According to some embodiments of the utility model, the adjusting assembly further comprises a mounting seat, the mounting seat is slidably provided with a connecting rod, the push-pull component comprises a first moving plate and a second moving plate, the two ends of the connecting rod are connected with the first moving plate and the second moving plate respectively, the rocker arm is fixedly installed on the second moving plate, the first moving plate is connected with a push-pull rod, and the push-pull rod is used for pushing the first moving plate to drive the second moving plate to move.

[0007] According to the welding fixture of some embodiments of the present utility model, the push-pull part further comprises a rocker and a fixed seat, the fixed seat is installed on the mounting seat, the rocker is rotationally connected with the fixed seat, the push-pull rod is slidingly arranged on the fixed seat and connected with the rocker, and the rocker swings to drive the push-pull rod to move.

[0008] According to the welding fixture of some embodiments of the present utility model, the second moving plate is provided with a positioning column, the rocker is arranged in the positioning column, and the positioning column is used for positioning the rocker.

[0009] According to the welding fixture of some embodiments of the present utility model, the connecting rod and the push-pull rod are respectively connected to two opposite end faces of the first moving plate, the connecting rod has two, the two connecting rods are arranged along the direction perpendicular to the moving direction of the first moving plate, and the push-pull rod is arranged between the two connecting rods.

[0010] According to the welding fixture of some embodiments of the present utility model, the clamping assembly comprises a first support and a second support, and two ends of the brake pedal are respectively fixed to the first support and the second support.

[0011] According to the welding fixture of some embodiments of the present utility model, the connecting shaft is fixed to the second support, the brake pedal is arranged in the connecting shaft, and the brake pedal and the rocker have an overlapping part in the center line direction of the connecting shaft.

[0012] According to the welding fixture of some embodiments of the present utility model, the first support is provided with a positioning plate and a first limiting piece, the first limiting piece is installed on the positioning plate, the positioning plate is provided with a receiving groove, the brake pedal is clamped on the first limiting piece and abuts against the groove wall of the receiving groove.

[0013] According to the welding fixture of some embodiments of the present utility model, the clamping assembly comprises a third support, the third support is used for supporting the middle part of the brake pedal, the third support is provided with a second limiting piece, and the second limiting piece is used for limiting the movement of the brake pedal.

[0014] According to the welding fixture of some embodiments of the present utility model, the fixing part is provided with a handle, the handle is used for screwing the fixing part to compress or loosen the rocker.

[0015] Additional aspects and advantages of the present utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present utility model. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or additional aspects and advantages of the present utility model will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the references to the following drawings, of which:

[0017] Figure 1 The structure schematic view of the welding fixture of the present utility model embodiment is shown in the figure.

[0018] Figure 2 The structure schematic view of the welding fixture of the present utility model embodiment is shown in the figure.

[0019] Explanation of reference numerals:

[0020] Base 100;

[0021] Clamping assembly 200;Brake pedal 210;First support 220;Positioning plate 221;Receiving groove 2211;First limiting part 222;Second support 230;Connecting shaft 231;Third support 240;Second limiting part 241;

[0022] Adjusting assembly 300;Rocker arm 310;Push-pull part 320;First moving plate 321;Push-pull rod 3211;Second moving plate 322;Positioning column 3221;Fixing part 330;Handle 331;Mounting seat 340;Connecting rod 350;Rocker 360;Fixed seat 370. DETAILED DESCRIPTION

[0023] The embodiments of the present utility model are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present utility model, and cannot be understood as a limitation on the present utility model.

[0024] In the description of the present utility model, it is understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, and therefore cannot be understood as a limitation on the present utility model.

[0025] In the description of the present utility model, the meaning of several is one or more, and the meaning of multiple is more than two, greater than, less than, more than, etc. are understood as not including the number, and above, below, etc. are understood as including the number. If it is described as first, first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0026] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing, connecting should be understood broadly, and the skilled in the art can determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0027] In the description of the utility model, the description of the reference terms ''an embodiment'', ''the embodiment'', ''some embodiments'', ''some embodiments'', ''illustrative embodiment'', ''exemplary embodiment'', ''example'', ''specific example'', or ''some examples'' means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model.In the specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example.Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0028] The foot brake pedal is a key control component in the motorcycle braking system.The motorcycle foot brake pedal is generally composed of a brake pedal and a rocker arm, and the two are welded into a whole through a connecting shaft.The rocker arm works by using the principle of lever, when the rider steps on the foot brake pedal, one end of the rocker arm is stressed to rotate around the fulcrum, and the other end transmits the force to brake caliper or brake drum components.The pedal exerts a small force, which is greatly amplified through the rocker arm to achieve effective braking.In the related art, the production of the foot brake pedal needs to go through multiple complex welding procedures.First, a special fixture is used to accurately fix the connecting shaft and the foot brake pedal and complete welding;then, another set of fixture is replaced to weld the rocker arm and the foot brake pedal that has been welded.The complicated welding procedure greatly increases the labor and material cost investment in the production process, and reduces the production efficiency.

[0029] Therefore, as Figure 1 and Figure 2As shown, the welding fixture provided by the utility model, including base 100, clamping assembly 200 and adjusting assembly 300, base 100 is the basic support structure, adopt solid material to make, such as high strength alloy steel, aluminum alloy or magnesium alloy etc., to ensure that can bear various external force action without deformation or damage in the use process. Clamping assembly 200 is installed on base 100, and clamping assembly 200 is fixedly installed with connecting shaft 231, and clamping assembly 200 is used for clamping brake pedal 210. Adjusting assembly 300 is installed on base 100, and is arranged with clamping assembly 200, and adjusting assembly 300 includes push-pull part 320 and fixed part 330, and fixed part 330 is used for fixing swing arm 310 on push-pull part 320. Fixed part 330 has two, and two fixed parts 330 are respectively located at both ends of swing arm 310, and swing arm 310 can be stably fixed on push-pull part 320, and loose phenomenon is prevented. Push-pull part 320 is used for adjusting the distance between swing arm 310 and brake pedal 210, and push-pull part 320 can move along the axial direction of connecting shaft 231, and then swing arm 310 is driven to approach or away from brake pedal 210, and the precise adjustment of the distance between swing arm 310 and brake pedal 210 is realized, and connecting shaft 231 is used for connecting brake pedal 210 and swing arm 310. The brake pedal 210 and swing arm 310 to be welded are fixed on clamping assembly 200 and adjusting assembly 300, and the distance between brake pedal 210 and swing arm 310 is adjusted by adjusting assembly 300, so that brake pedal 210 is in contact with connecting shaft 231, and is welded together. That is, the welding fixture can fix two welding workpieces to be welded together, and welding processing is not needed to be carried out separately, so that the welding processing procedure is simplified, and the efficiency of the welding processing of the brake pedal is improved.

[0030] In some embodiments of the utility model, as shown in Figure 1 and Figure 2 As shown, adjusting assembly 300 further includes mounting seat 340, mounting seat 340 includes first mounting plate perpendicular to base 100, and further includes second mounting plate parallel to base 100. The second mounting plate is located on the side of the first mounting plate away from clamping assembly 200, and the first mounting plate and the second mounting plate are provided with connecting pieces on the side surface, and the connecting pieces are used for tightly mounting the first mounting plate and the second mounting plate together, so as to improve the stability of mounting seat 340. Mounting seat 340 is slidably provided with connecting rod 350, and connecting rod 350 is slidably arranged in first mounting plate. Mounting seat 340 has simple structure, and the first mounting plate and the second mounting plate cooperate to improve the overall stability of adjusting assembly 300.

[0031] Specifically, the push-pull component 320 comprises a first moving plate 321 and a second moving plate 322, a first mounting plate is located between the first moving plate 321 and the second moving plate 322, and the first moving plate 321 is located towards the second mounting plate, the second moving plate 322 is located towards the first mounting plate, two ends of a connecting rod 350 are connected with the first moving plate 321 and the second moving plate 322 respectively, the connecting rod 350 is tightly connected with the first moving plate 321 through a nut, and the stability of the connection is ensured. The rocker arm 310 is fixedly installed on the second moving plate 322, the first moving plate 321 is connected with a push-pull rod 3211, and the push-pull rod 3211 is used for pushing the first moving plate 321 to drive the second moving plate 322 to move, that is, the push-pull rod 3211 pushes the first moving plate 321 to move, and since the connecting rod 350 is connected between the first moving plate 321 and the second moving plate 322, the first moving plate 321 drives the second moving plate 322 to move through the connecting rod 350, the operation is simple, and the adjustment process is stable and reliable, and the adjustment error caused by loosening or displacement of components is reduced.

[0032] Further, in some embodiments of the utility model, as shown in Figure 1 and Figure 2 , the connecting rod 350 and the push-pull rod 3211 are connected to two opposite end faces of the first moving plate 321 respectively, the connecting rod 350 has two, and the two connecting rods 350 are arranged along the direction perpendicular to the moving direction of the first moving plate 321, which effectively avoids the lateral deviation of the first moving plate 321 and the second moving plate 322 during the moving process, the push-pull rod 3211 is arranged between the two connecting rods 350, which is beneficial to the stable movement of the first moving plate 321, reduces the shaking and deviation, and guarantees the welding precision.

[0033] In some embodiments of the utility model, as shown in Figure 1 and Figure 2 , the push-pull component 320 further comprises a rocker 360 and a fixed seat 370, the fixed seat 370 is installed on the mounting seat 340 and the second mounting plate, the rocker 360 is rotationally connected with the fixed seat 370, the push-pull rod 3211 is slidingly arranged in the fixed seat 370 and connected with the rocker 360, the rocker 360 is a quick clamp, the rocker 360 swings to drive the push-pull rod 3211 to move, the distance between the brake pedal 210 and the rocker 360 can be quickly adjusted, and the adjustment can be completed in an instant by simply pulling the rocker 360, so that the position of the workpiece is stable during the welding process, the welding quality is improved, the operation time is saved, and the work efficiency is improved.

[0034] Further, in some embodiments of the utility model, second moving plate 322 is provided with positioning column 3221, rocker arm 310 is arranged in positioning column 3221, and positioning column 3221 is used for positioning rocker arm 310. In welding processing, rocker arm 310 is preliminarily positioned through positioning column 3221, and then is fixed through fixing part 330, so that simple operation and convenient clamping are achieved. It should be noted that positioning column 3221 is located in the axial direction of connecting shaft 231, which is conducive to guaranteeing the precision of welding and facilitating the welding operation and processing between brake pedal 210 and rocker arm 310.

[0035] Specifically, in some embodiments of the utility model, as shown in Figure 1 and Figure 2 It can be understood that the clamping assembly 200 includes a first support 220 and a second support 230, the first support 220 and the second support 230 are arranged perpendicular to the base 100, the first support 220 and the second support 230 are provided with a fixed plate at the bottom, the fixed plate is parallel to the base 100, and the fixed plate is fixed between the base 100 by a fastener, which guarantees the stability of the first support 220 and the second support 230, the two ends of the brake pedal 210 are fixed to the first support 220 and the second support 230 respectively, and the two-end fixation provides accurate positioning for the brake pedal 210, and the assembly is simple.

[0036] Further, in some embodiments of the utility model, the connecting shaft 231 is fixed to the second support 230, and the brake pedal 210 is arranged in the connecting shaft 231, which is conducive to reducing the positioning error and improving the welding precision. In the centerline direction of the connecting shaft 231, the brake pedal 210 and the rocker arm 310 have an overlapping part. The adjusting assembly 300 is used for adjusting the distance between the rocker arm 310 and the connecting shaft 231, so that the rocker arm 310 and the connecting shaft 231 are in contact and welded, and the brake pedal 210 and the rocker arm 310 are conveniently welded.

[0037] Further, in some embodiments of the utility model, first support piece 220 is provided with positioning plate 221 and first limiting piece 222, first limiting piece 222 is installed on positioning plate 221, brake pedal 210 is provided with arc surface, first limiting piece 222 includes the connecting plate that extends obliquely towards brake pedal 210, to adapt the bending curvature of brake pedal 210, the stopper is set up on connecting plate, the stopper is threadedly connected with connecting plate, and a clamping groove is formed between connecting plate and stopper. Positioning plate 221 is provided with accommodating groove 2211, and the appearance of accommodating groove 2211 is matched with the appearance of brake pedal 210, brake pedal 210 is clamped in first limiting piece 222, that is, brake pedal 210 is clamped in the clamping groove, and is in abutment with the groove wall of accommodating groove 2211. The close clamping mode of brake pedal 210 and first support piece 220 effectively prevents the shaking and displacement of brake pedal 210 during welding, guarantees the fastening stability of the welding fixture, and improves the precision of welding processing.

[0038] In some embodiments of the utility model, as shown in Figure 1 and Figure 2 The clamping assembly 200 includes a third support 240 for supporting the middle part of the brake pedal 210, i.e. the third support 240 is located between the first support 220 and the second support 230. The third support 240 is provided with a fixing plate at the bottom, which is used to install the third support 240 on the base 100. The fixing plate is fixed on the base 100 by fasteners. The third support 240 is provided with a second limiting piece 241 for limiting the movement of the brake pedal 210. It should be noted that the second limiting piece 241 is inclined to adapt to the inclined angle of the brake pedal 210. The first support 220, the second support 230 and the third support 240 cooperate to complete the clamping and fixing of the brake pedal 210, ensuring the stability of the brake pedal 210 position during welding and improving the welding quality.

[0039] In some embodiments of the utility model, as shown in Figure 1 and Figure 2 The fixing member 330 is provided with a handle 331 for screwing the fixing member 330 to tighten or loosen the rocker arm 310. The handle 331 provides a leverage point, which can more accurately control the degree of screwing of the fixing member 330. When tightening the rocker arm 310, the tightening force of the fixing member 330 on the rocker arm 310 can be adjusted by slightly turning the handle 331 according to actual needs, ensuring that the rocker arm 310 is fixed and not damaged due to excessive pressure, which helps to ensure the assembly quality of the product.

[0040] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A welding fixture, characterized in that, include: Base; A clamping assembly is mounted on the base, and a connecting shaft is fixedly mounted on the clamping assembly. The clamping assembly is used to clamp the brake pedal. An adjustment assembly is mounted on the base and spaced apart from the clamping assembly. The adjustment assembly includes a push-pull component and a fixing component. The fixing component is used to fix the rocker arm to the push-pull component. The push-pull component is used to adjust the distance between the rocker arm and the brake pedal. The connecting shaft is used to connect the brake pedal and the rocker arm.

2. The welding fixture according to claim 1, characterized in that: The adjustment assembly also includes a mounting base, on which a connecting rod is slidably disposed. The push-pull component includes a first movable plate and a second movable plate. The two ends of the connecting rod are respectively connected to the first movable plate and the second movable plate. The rocker arm is fixedly mounted on the second movable plate. The first movable plate is connected to a push-pull rod, which is used to push the first movable plate to drive the second movable plate to move.

3. The welding fixture according to claim 2, characterized in that: The push-pull component also includes a rocker arm and a fixed base. The fixed base is mounted on the mounting base, the rocker arm is rotatably connected to the fixed base, and the push-pull rod is slidably disposed on the fixed base and connected to the rocker arm. The rocker arm swings to drive the push-pull rod to move.

4. The welding fixture according to claim 2, characterized in that: The second movable plate is provided with a positioning post, and the rocker arm passes through the positioning post. The positioning post is used to position the rocker arm.

5. The welding fixture according to claim 3, characterized in that: The connecting rod and the push-pull rod are respectively connected to two opposite end faces of the first moving plate. There are two connecting rods, which are arranged at intervals along the direction perpendicular to the movement of the first moving plate. The push-pull rod is disposed between the two connecting rods.

6. The welding fixture according to claim 1, characterized in that: The clamping assembly includes a first support member and a second support member, and the two ends of the brake pedal are respectively fixed to the first support member and the second support member.

7. The welding fixture according to claim 6, characterized in that: The connecting shaft is fixed to the second support member, and the brake pedal passes through the connecting shaft. In the direction of the center line of the connecting shaft, the brake pedal and the rocker arm have an overlapping part.

8. The welding fixture according to claim 6, characterized in that: The first support member is provided with a positioning plate and a first limiting member. The first limiting member is installed on the positioning plate. The positioning plate is provided with a receiving groove. The brake pedal is engaged with the first limiting member and abuts against the groove wall of the receiving groove.

9. The welding fixture according to claim 6, characterized in that: The clamping assembly includes a third support member for supporting the middle part of the brake pedal, and the third support member is provided with a second limiting member for restricting the movement of the brake pedal.

10. The welding fixture according to claim 1, characterized in that: The fixing component is provided with a handle, which is used to screw the fixing component to tighten or loosen the rocker arm.

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