Improved automobile V-shaped rod welding device

Abstract

The utility model relates to automobile accessories, and provides an improved automobile V-shaped rod welding device which comprises a machine tool, a first driving mechanism, a first clamp unit and a second clamp unit, the first clamp unit and the second clamp unit are arranged on the machine tool, and the first clamp unit comprises an upper hydraulic clamping block and a lower hydraulic clamping block which are arranged on a shaft end seat. The second clamp unit comprises a second driving mechanism, a seat body, a placing seat, a steering pressing seat and a connecting rod, and the top of the placing seat is provided with a placing groove which is obliquely placed relative to one end of an upper ball seat of the V-shaped rod and enables a supporting rod connected with the upper ball seat and the connecting rod to be horizontally and transversely placed; the middle of the steering pressing seat is hinged to the top of the supporting column, and the left portion of the steering pressing seat is provided with an inclined pressing face matched with the upper end face, obliquely placed in the containing groove, of the upper ball seat of the V-shaped rod. The second driving mechanism drives the steering pressing seat through the connecting rod to tightly press the top end of the upper ball seat of the V-shaped rod or lifts the left portion of the steering pressing seat to loosen the V-shaped rod after machining is completed. The friction welding device solves the problems that when an existing friction welding device is used for welding, clamping is inconvenient, and welding efficiency is low.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories, in particular to an improved automobile V-rod welding device. Background Art

[0002] With the development of the economy and science and technology, automobiles have become the primary means of transportation. Auto parts are the components that make up a car and the products that serve it. There are many different types of auto parts. With the improvement of living standards, people are increasingly spending on cars, and the auto parts market is growing. In recent years, auto parts manufacturers have also experienced rapid growth. With the rapid development of auto parts manufacturing technology, manufacturing equipment and auxiliary devices have become increasingly efficient and sophisticated. For example, auto parts such as V-bars and torsion bars are now mostly automated.

[0003] refer to Figure 1The automobile V-rod (also known as the V-thrust rod) is a component used to maintain the stability of the axle. It is mainly composed of two connecting rods 1' and an upper ball seat 2'. One end is connected to the axle, and the other end is connected to the frame. The automobile V-rod cooperates with other components that stabilize the axle to ensure the longitudinal stability of the axle when the vehicle is driving or braking. However, when welding the connecting rod 1' and the upper ball seat 2' of the existing automobile V-rod, due to the shape of the upper ball seat 2', the welding between it and the connecting rod 1' often deviates, that is, the connecting rod 1' and the upper ball seat 2' branch pipe cannot be stably and firmly coaxially welded. At the same time, the welding method used in the existing technology is carbon dioxide gas shielded welding, which will produce sparks during the process, making subsequent cleaning difficult and requiring special protection. The welding wire and welding gun are easy to clog. After cleaning the welding gun, the welding wire needs to be adjusted synchronously for neutrality. If forgotten, it will cause biased welding. For welding thicker parts, two welding passes are generally required, and the welding time is long. Furthermore, improper selection of welding current and voltage can easily lead to problems such as cold welds and incomplete fusion, while also causing significant environmental pollution. Therefore, friction welding is a new option. For example, Chinese patent document CN202220243772.8 discloses a welding fixture for friction welding a drive shaft. The fixture is used to clamp a drive shaft formed by coaxially connecting a universal joint fork, a shaft tube, and a splined sleeve. The fixture comprises: a first clamp unit for clamping the universal joint fork; a second clamp unit for clamping the shaft tube; and a third clamp unit rotatably connected to the shaft end seat for clamping the splined sleeve. Under the clamping action of the first, second, and third clamp units, the universal joint fork, shaft tube, and splined sleeve are coaxially aligned. This fixture effectively addresses the problems of the prior art, ensuring reliable and stable locking of the universal joint fork, shaft tube, and splined sleeve while also offering excellent adjustability, versatility, and interchangeability. However, since the upper ball seat 2' of the V-rod is difficult to position during welding in order to ensure its coaxiality with the connecting rod 1', it is inconvenient to clamp it when using a friction welding device, and the welding efficiency is low. Utility Model Content

[0004] Therefore, in order to solve the above problems, the present invention proposes an improved automobile V-rod welding device which is easy to use, effective and stable in clamping to ensure the coaxiality of V-rod welding and improve work efficiency.

[0005] To solve the technical problem, the utility model discloses the following scheme: A improved automobile V rod welding device, including lathe, first drive mechanism, the first fixture unit of the connecting rod of the V rod of being located on the left part of lathe and the second fixture unit of the upper ball seat of being located on the right part of lathe and clamping V rod, the first fixture unit includes the shaft end seat of rotary power end and the rotary clamping seat of the connecting rod of clamping V rod and can be adjusted in radial direction, the rotary clamping seat is locked on the shaft end seat of rotary power end, the first drive mechanism is located on lathe and first drive mechanism output end is connected and drives first fixture unit horizontal reciprocating movement towards second fixture unit, the first fixture unit includes a pair of radial upper and lower distribution upper hydraulic clamping block and lower hydraulic clamping block of the connecting rod of clamping V rod and is located on the shaft end seat, the second fixture unit includes second drive mechanism, seat body, placement seat, steering pressure seat and connecting rod, the placement seat is located on the side of seat body towards first fixture unit, the placement seat top is equipped with with the inclined placement of the one end of the upper ball seat of V rod and makes the upper ball seat and the connecting rod connection horizontal transverse placement placement groove, the seat body is located on the side of placement seat and is equipped with the support column extending upward, the steering pressure seat middle part is hinged with the top of support column and the left part of steering pressure seat is equipped with the inclined pressure surface of the upper end surface of the upper ball seat of V rod and is placed in the placement groove after the inclined placement, the second drive mechanism is located on lathe and second drive mechanism output end is hinged with one end of connecting rod, the other end of connecting rod is hinged with the right part of steering pressure seat, the second drive mechanism is driven by connecting rod and makes the upper ball seat top of V rod or the upper lifting steering pressure seat left part loose V rod.

[0006] Further improvement, it also includes the support rotating seat, the support rotating seat is located on the lathe between the first fixture unit and the second fixture unit, and the rotating support hole for the connecting rod of the V rod is arranged on the support rotating seat.

[0007] Further improvement, the placement groove of the placement seat is provided with an inclined positioning column with an outer diameter matched with the inner diameter of the upper ball seat of the V rod.

[0008] Further improvement, one side of the upper hydraulic clamping block and the lower hydraulic clamping block of the first fixture unit is respectively provided with an arc-shaped groove matched with the connecting rod of the V rod.

[0009] Further improvement, it also includes the third drive mechanism, the third drive mechanism is located on the lathe and the third drive mechanism output end is connected and drives the second fixture unit horizontal reciprocating movement towards the first fixture unit.

[0010] Further improvement, the first drive mechanism is a hydraulic cylinder or a motor lead screw, and the second drive mechanism is a hydraulic cylinder or a gas cylinder.

[0011] By adopting the above-mentioned technical solution, the beneficial effect of the utility model is as follows: by redesigning the second clamp unit on the machine tool, a placement groove on the placement seat is set to tilt the V-rod upper ball seat so that the support rod connected to the upper ball seat and the connecting rod can maintain a horizontal axial position, and a second driving mechanism is used to drive the inclined pressing surface of the steering pressure seat hinged to the support column on the seat body through the connecting rod to press the top of the upper ball seat of the V-rod or lift the left part of the steering pressure seat to release the V-rod after processing, so that when the upper ball seat of the V-rod and the connecting rod are friction-welded, the connecting rod of the V-rod is placed in the first clamp unit, and at this time, the lower part of the upper ball seat is placed in the placement groove of the placement seat, and the second driving mechanism drives the steering pressure seat through the connecting rod to press the inclined upper end surface of the upper ball seat to cooperate with the placement groove to position the upper ball seat so that the support rod connected to the upper ball seat and the connecting rod can maintain a horizontal axial position, thereby driving the first clamp unit toward the second through the first driving mechanism. The clamp unit, and the rotation of the shaft end seat at the rotating power end drives the V-rod connecting rod and the free end of the upper ball seat support rod clamped by the second clamp unit to perform rotational friction welding. Effective and stable clamping ensures the coaxiality of the welding of the V-rod upper ball seat and the connecting rod, with good welding quality and easy use. It only needs to control the start and stop to place the workpiece and remove the welded workpiece to complete the welding, with fast welding speed and high welding efficiency. The setting of the supporting rotating seat allows the connecting rod to be supported and positioned at two points by the supporting rotating seat and the first clamp unit to enhance the coaxiality, making the overall welding structure more stable and not offset during friction welding, ensuring that the coaxial concentricity of the upper ball seat of the V-rod and the connecting rod is more accurate. An inclined positioning column with an outer diameter matching the inner diameter of the upper ball seat of the V-rod is set in the placement groove of the placement seat, which can make the positioning of the upper ball seat of the V-rod more accurate and will not offset, further improving the processing accuracy and can be widely promoted and applied. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a partial structural diagram of an existing automobile V-rod;

[0013] Figure 2 A schematic structural diagram of an embodiment of the present utility model;

[0014] Figure 3 This is a schematic structural diagram from another angle of an embodiment of the utility model;

[0015] Figure 4 It is a schematic top view of the structure of an embodiment of the present utility model. DETAILED DESCRIPTION

[0016] The present invention will now be further described with reference to the accompanying drawings and specific implementation methods.

[0017] refer to Figure 2-Figure 4The preferred improved automobile V-rod welding device of the present invention includes a machine tool 1, a first drive mechanism 2, a first clamp unit provided on the left side of the machine tool 1 for clamping the connecting rod of the V-rod 3, and a second clamp unit provided on the right side of the machine tool 1 for clamping the upper ball seat of the V-rod 3, and a support rotating seat 6 provided on the machine tool 1 between the first clamp unit and the second clamp unit, wherein the support rotating seat 6 is provided with a rotating support hole for the connecting rod of the V-rod 3 to pass through, the first clamp unit includes an axis end seat 411 of a rotating power end 41 and a rotating clamping seat that can be adjusted in the radial direction and clamps the connecting rod of the V-rod 3, and the rotating clamping seat is locked in On the shaft end seat 411 of the rotating power end 41, the first driving mechanism 2 is a motor screw, the first driving mechanism 2 is arranged on the machine tool 1 and the output end of the first driving mechanism 2 is connected and drives the first clamp unit to move back and forth horizontally toward the second clamp unit, the first clamp unit includes a pair of upper hydraulic clamping blocks 42 and lower hydraulic clamping blocks 43 of the connecting rods of the V rod 3 radially distributed up and down and arranged on the shaft end seat 411, the upper hydraulic clamping blocks 42 and the lower hydraulic clamping blocks 43 facing each other are respectively provided with arc grooves adapted to the connecting rods of the V rod 3, the second clamp unit includes a second driving mechanism 51, a seat The body 52, the placement seat 53, the steering pressure seat 54 and the connecting rod 55, the placement seat 53 is arranged on the side of the seat body 52 facing the first clamp unit, the top of the placement seat 53 is provided with a placement groove 531 which is tilted and placed with one end of the upper ball seat of the V rod 3 and makes the support rod 31 connected to the upper ball seat and the connecting rod in a horizontal and horizontal position, the placement groove 531 of the placement seat 53 is provided with an inclined positioning column whose outer diameter is adapted to the inner diameter of the upper ball seat of the V rod 3, the seat body 52 is provided with an upwardly extending support column 521 on one side of the placement seat 53, the middle part of the steering pressure seat 54 is hinged with the top of the support column 521 and the left part of the steering pressure seat 54 is provided with The inclined pressure surface 541 is adapted to the upper end surface after the upper ball seat of the V-rod 3 is tilted and placed in the placement groove 531. The second driving mechanism 51 is a hydraulic cylinder. The second driving mechanism 51 is arranged on the machine tool 1 and the output end of the second driving mechanism 51 is hinged to one end of the connecting rod 55. The other end of the connecting rod 55 is hinged to the right part of the steering pressure seat 54. The horizontal position of the hinge point of the connecting rod 55 and the steering pressure seat 54 is lower than the hinge point of the steering pressure seat 54 and the support column 521. The second driving mechanism 51 drives the steering pressure seat 54 through the connecting rod 55 to press the top of the upper ball seat of the V-rod 3 or lift the left part of the steering pressure seat 54 to release the V-rod 3 after processing is completed.

[0018] In the above embodiment, the first drive mechanism can also be driven by a pneumatic cylinder or hydraulic cylinder, and the second drive mechanism can also be a pneumatic cylinder. A third drive mechanism can also be added, that is, the third drive mechanism is installed on the machine tool, and the output end of the third drive mechanism is connected to and drives the second clamping unit to move horizontally and reciprocally toward the first clamping unit, making it more convenient to use. The support rotating seat can also be omitted.

[0019] Although the present invention has been specifically shown and described in conjunction with the preferred embodiments, those skilled in the art should understand that various changes can be made to the form and details of the present invention without departing from the spirit and scope of the present invention as defined by the appended claims, and all of these changes are within the scope of protection of the present invention.

Claims

1. An improved automotive V-bar welding device, comprising a machine tool, a first drive mechanism, a first clamping unit disposed on the left side of the machine tool for clamping the connecting rod of the V-bar, and a second clamping unit disposed on the right side of the machine tool for clamping the upper ball seat of the V-bar. The first clamping unit includes a shaft end seat for a rotating power end and a radially adjustable rotating clamping seat for clamping the connecting rod of the V-bar. The rotating clamping seat is locked to the shaft end seat of the rotating power end. The device is characterized in that: The first driving mechanism is provided on the machine tool and the output end of the first driving mechanism is connected to and drives the first clamp unit to move back and forth horizontally toward the second clamp unit. The first clamp unit includes an upper hydraulic clamping block and a lower hydraulic clamping block of a pair of radially distributed upper and lower connecting rods that can clamp the V-rod, which are provided on the shaft end seat. The second clamp unit includes a second driving mechanism, a seat body, a placement seat, a steering pressure seat and a connecting rod. The placement seat is provided on the side of the seat body facing the first clamp unit. The top of the placement seat is provided with an upper ball seat that is tilted and placed with one end of the V-rod so that the upper ball seat is connected to the connecting rod. The support rod is in a horizontally placed placement slot, and the seat body is located on one side of the placement seat and is provided with an upward extending support column, the middle part of the steering pressure seat is hinged to the top of the support column and the left part of the steering pressure seat is provided with an inclined pressure surface adapted to the upper end face of the upper ball seat of the V-rod after it is tilted and placed in the placement slot, the second driving mechanism is provided on the machine tool and the output end of the second driving mechanism is hinged to one end of the connecting rod, and the other end of the connecting rod is hinged to the right part of the steering pressure seat, and the second driving mechanism drives the steering pressure seat to press the top end of the upper ball seat of the V-rod through the connecting rod or lifts the left part of the steering pressure seat to release the V-rod after processing is completed.

2. The improved automobile V-bar welding device according to claim 1, characterized in that: It also includes a support rotating seat, which is arranged on the machine tool between the first clamp unit and the second clamp unit, and a rotation support hole for the connecting rod of the V rod to pass through is provided on the support rotating seat.

3. The improved automobile V-bar welding device according to claim 1, characterized in that: An inclined positioning column with an outer diameter matching the inner diameter of the ball seat on the V-rod is provided in the placement groove of the placement seat.

4. The improved automobile V-bar welding device according to claim 1, characterized in that: The upper hydraulic clamping block and the lower hydraulic clamping block of the first clamp unit are respectively provided with arc grooves adapted to the connecting rod of the V rod on their surfaces facing each other.

5. The improved automobile V-bar welding device according to claim 1, characterized in that: It also includes a third driving mechanism, which is arranged on the machine tool and has an output end connected to and drives the second clamp unit to move back and forth horizontally toward the first clamp unit.

6. The improved automobile V-bar welding device according to claim 1, characterized in that: The first driving mechanism is a hydraulic cylinder or a motor screw, and the second driving mechanism is a hydraulic cylinder or a pneumatic cylinder.

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