Welding positioning mechanism of wiper arm extension rod

Abstract

The utility model relates to a kind of welding positioning mechanism of wiper arm extension rod, including base, V-block, limiting baffle, lateral clamping mechanism and high-low direction clamping mechanism;V-block is connected to base, with the matching placement surface of the appearance surface of wiper arm extension rod, placement surface is used to place wiper arm extension rod;Limiting baffle is connected to base;Lateral clamping mechanism is connected to base, lateral clamping mechanism and limiting baffle are respectively arranged in the length direction of V-block both ends, lateral clamping mechanism and limiting baffle cooperate for clamping wiper arm extension rod, to limit clamping wiper arm extension rod moves along length direction;High-low direction clamping mechanism is connected to base, high-low direction clamping mechanism and V-block cooperate for clamping wiper arm extension rod, to limit clamping wiper arm extension rod moves along height direction.The utility model can adapt to the clamping installation demand of wiper arm extension rod of multiple sizes, with higher universality, simple structure is convenient for later adjustment.

Description

Technical Field

[0001] This utility model relates to the field of welding positioning tooling technology, and in particular to a welding positioning mechanism for a wiper arm extension rod. Background Technology

[0002] Wiper arms are one of the parts that need to be modified on protective modified vehicles. In the product design of protective vehicles, the accuracy of the overall shape and coaxiality of the modified wiper arms is an important indicator after the parts are modified. It can improve the overall assembly appearance quality of the vehicle and reduce the probability of abnormal noise from the wiper arms.

[0003] However, in actual processing, due to the low production volume of protective modified vehicles, many companies will use existing products for modification and processing in order to ensure cost control. This simple processing method usually results in poor part forming accuracy and consistency, and some key dimensions cannot be guaranteed, which is not convenient for batch operation. Therefore, a welding positioning mechanism for the wiper arm extension rod is proposed. Utility Model Content

[0004] The purpose of this utility model is to provide a welding and positioning mechanism for a wiper arm extension rod, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a welding and positioning mechanism for a wiper arm extension rod, comprising a base, a V-block, a limiting baffle, a lateral clamping mechanism, and a height-low direction clamping mechanism; the V-block is connected to the base and has a placement surface that matches the outer surface of the wiper arm extension rod, the placement surface being used to place the wiper arm extension rod; the limiting baffle is connected to the base; the lateral clamping mechanism is connected to the base, the lateral clamping mechanism and the limiting baffle are respectively disposed opposite to each other at both ends of the V-block in the length direction, the lateral clamping mechanism and the limiting baffle cooperate to clamp the wiper arm extension rod, thereby restricting the movement of the clamped wiper arm extension rod along the length direction; the height-low direction clamping mechanism is connected to the base, the height-low direction clamping mechanism and the V-block cooperate to clamp the wiper arm extension rod, thereby restricting the movement of the clamped wiper arm extension rod along the height direction.

[0006] Preferably, the lateral clamping mechanism includes a clamping head, a threaded block, and a threaded rod. The threaded block is fixedly connected to the base, the threaded rod is threadedly connected to the threaded block, the clamping head is connected to the end of the threaded rod, and the clamping head is disposed opposite to the limiting baffle.

[0007] Preferably, the high-low direction clamping mechanism includes a base, a rotating clamping block, a threaded guide rod, and a clamping nut. The base is fixedly connected to the base, the rotating clamping block is rotatably connected to the base, the rotating clamping block is provided with a mounting groove, the threaded guide rod passes through the mounting groove and is fixedly connected to the base at one end, the clamping nut is located at the other end of the threaded guide rod and is threadedly connected to the threaded guide rod, and the clamping nut abuts against the rotating clamping block.

[0008] Preferably, the high-low direction clamping mechanism further includes a plurality of clamping blocks, which are spaced apart and fixedly connected to the rotating clamping block.

[0009] Preferably, the high-low direction clamping mechanism further includes a first screw and a first positioning pin, the first positioning pin positioningly connecting the clamping block and the rotating clamping block, and the first screw fasteningly connecting the clamping block and the rotating clamping block.

[0010] Preferably, the high-low direction clamping mechanism further includes a first pin and a second pin, the first pin connecting the base and the threaded guide rod, and the second pin rotatably connecting the base and the rotating clamping block.

[0011] Preferably, the device further includes a second screw and a second positioning pin, the second positioning pin positioning and connecting the limiting baffle and the base, and the second screw fastening and connecting the limiting baffle and the base.

[0012] Preferably, the device further includes a third screw and a third locating pin, wherein the third locating pin positions and connects the V-block to the base, and the third screw fastens and connects the V-block to the base.

[0013] Preferably, it further includes a limiting block, which is fixedly connected to the base and is disposed opposite to the limiting baffle.

[0014] Preferably, it further includes a fourth screw and a fourth positioning pin, wherein the fourth positioning pin positions and connects the limiting block to the base, and the fourth screw fastens and connects the limiting block to the base.

[0015] Compared with the prior art, the present invention, by adopting the above technical solution, has the following technical effects: 1. This utility model achieves rapid vertical clamping and installation positioning of the wiper arm extension rod by using a high-low direction clamping mechanism in conjunction with a V-block. The side clamping mechanism in conjunction with the limiting baffle can complete the rapid horizontal positioning and clamping of the wiper arm extension rod. The structure is simple and easy to adjust later. In addition, the use of a threaded structure makes it easy to meet the positioning and clamping requirements of wiper arm extension rods of different lengths later.

[0016] 2. In this utility model, the threaded engagement between the clamping nut and the threaded guide rod allows the bottom of the clamping nut to contact the top of the rotating clamping block, thereby driving the rotating clamping block and the clamping block that is fitted together to move, achieving rapid vertical clamping and installation positioning of the wiper arm extension rod. The threaded engagement between the threaded guide rod and the clamping nut allows for a long adjustment distance, which can adapt to the clamping and installation requirements of wiper arm extension rods of different sizes, and has high versatility.

[0017] 3. It adopts a modular positioning structure, and by replacing the limit baffles and V-blocks of different specifications, it can meet the positioning needs of wiper arm extension rods of various sizes, which has high versatility and adaptability. Attached Figure Description

[0018] Figure 1 A schematic diagram of the welding positioning mechanism for the wiper arm extension rod provided in an embodiment of this utility model; Figure 2 The front view of the welding positioning mechanism for the wiper arm extension rod provided in the embodiment of this utility model.

[0019] Figure 3 A top view of the welding positioning mechanism for the wiper arm extension rod provided in an embodiment of this utility model.

[0020] Figure 4 A bottom view of the welding positioning mechanism for the wiper arm extension rod provided in an embodiment of this utility model.

[0021] Figure 5 A cross-sectional view of the welding positioning mechanism for the wiper arm extension rod provided in an embodiment of this utility model.

[0022] In the diagram: 1. Base; 2. V-block; 3. Limiting baffle; 4. Lateral clamping mechanism; 5. Height-low direction clamping mechanism; 8. Limiting block; 41. Pressing head; 42. Threaded block; 43. Threaded rod; 44. Assisting rod; 51. Base; 52. Rotary pressing block; 53. Threaded guide rod; 54. Pressing nut; 55. Pressing block; 56. First screw; 57. First locating pin; 58. First pin; 59. Second pin; 61. Second screw; 62. Second locating pin; 71. Third screw; 72. Third locating pin; 91. Fourth screw; 92. Fourth locating pin; 93. Fifth screw; 94. Fifth locating pin; 521. Mounting slot. Detailed Implementation

[0023] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0024] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly set on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to the other component.

[0025] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0026] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" or "several" means two or more, unless otherwise explicitly specified.

[0027] It should be understood that the structures, proportions, sizes, etc., depicted in the accompanying drawings are merely for illustrative purposes and to aid those skilled in the art in understanding and reading the content disclosed herein. They are not intended to limit the implementation conditions of this application and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to the size, without affecting the effectiveness and purpose of this application, should still fall within the scope of the technical content disclosed herein. Furthermore, the term "and / or" as used in this specification includes any and all combinations of the related listed items.

[0028] like Figures 1 to 5As shown, this utility model provides a welding positioning mechanism for a wiper arm extension rod, including a base 1, a V-block 2, a limiting baffle 3, a lateral clamping mechanism 4, and a height-low direction clamping mechanism 5. The V-block 2 is connected to the base 1 and has a placement surface 21 that matches the outer surface of the wiper arm extension rod. The placement surface 21 is used to place the wiper arm extension rod. The limiting baffle 3 is connected to the base 1. The lateral clamping mechanism 4 is connected to the base 1. The lateral clamping mechanism 4 and the limiting baffle 3 are respectively arranged opposite to each other at both ends of the V-block 2 in the length direction. The lateral clamping mechanism 4 and the limiting baffle 3 cooperate to clamp the wiper arm extension rod to restrict the movement of the clamped wiper arm extension rod along the length direction. The height-low direction clamping mechanism 5 is connected to the base 1. The height-low direction clamping mechanism 5 and the V-block 2 cooperate to clamp the wiper arm extension rod to restrict the movement of the clamped wiper arm extension rod along the height direction. Specifically, the base 1, serving as the mounting foundation for the entire mechanism, is made of high-strength steel plate with a rust-proof surface treatment. Furthermore, the base 1 is provided with a matrix of mounting holes for installing various functional components.

[0029] In one embodiment, the lateral clamping mechanism 4 includes a clamping head 41, a threaded block 42, and a threaded rod 43. The threaded block 42 is fixedly connected to the base 1, the threaded rod 43 is threadedly connected to the threaded block 42, and the clamping head 41 is connected to the end of the threaded rod 43. The clamping head 41 is positioned opposite to the limiting baffle 3. Specifically, the threaded rod 43 and the threaded block 42 are fitted with trapezoidal threads to provide stable transmission and self-locking functions. The clamping head 41 is fixed to the end of the threaded rod 43 by a threaded connection, and its working surface is machined into an arc surface that matches the shape of the workpiece to increase the contact area and avoid damage to the workpiece surface. Furthermore, the lateral clamping mechanism 4 also includes an assist rod 44, which is connected to the threaded rod and is used for hand gripping to facilitate force application. The assist rod 44 is inserted into the mounting hole at the end of the threaded rod and is used as a force-saving operating lever.

[0030] In one embodiment, the vertical clamping mechanism 5 includes a base 51, a rotating clamping block 52, a threaded guide rod 53, and a clamping nut 54. The base 51 is fixedly connected to the base 1, and the rotating clamping block 52 is rotatably connected to the base 51. The rotating clamping block 52 has a mounting groove 521. The threaded guide rod 53 passes through the mounting groove 521 and is fixedly connected to the base 51 at one end. The clamping nut 54 is located at the other end of the threaded guide rod 53 and is threadedly connected to the threaded guide rod 53. The clamping nut 54 abuts against the rotating clamping block 52. The rotating clamping block 52 has an elongated oval mounting groove 521, which allows for a certain displacement compensation during rotation.

[0031] In one embodiment, the high-low direction clamping mechanism further includes a plurality of clamping blocks 55, which are spaced apart and fixedly connected to the rotating clamping block 52.

[0032] In one embodiment, the vertical clamping mechanism 5 further includes a first screw 56 and a first positioning pin 57. The first positioning pin 57 positions and connects the clamping block 55 and the rotating clamping block 52, and the first screw 56 fastens and connects the clamping block 55 and the rotating clamping block 52. Multiple clamping blocks 55 are spaced apart below the rotating clamping block 52 via the first positioning pin 57 and the first screw 56, forming a uniform distribution of clamping force.

[0033] In one embodiment, the high-low direction clamping mechanism 5 further includes a first pin 58 and a second pin 59. The first pin 58 connects the base 51 and the threaded guide rod 53, and the second pin 59 rotatably connects the base 51 and the rotating clamping block 52.

[0034] In one embodiment, a second screw 61 and a second positioning pin 62 are also included. The second positioning pin 62 positions and connects the limiting baffle 3 and the base 1, and the second screw 61 fastens and connects the limiting baffle 3 and the base 1.

[0035] In one embodiment, a third screw 71 and a third locating pin 72 are also included. The third locating pin 72 positions and connects the V-block 2 and the base 1, and the third screw 71 fastens and connects the V-block 2 and the base 1.

[0036] In one embodiment, a limiting block 8 is also included, which is fixedly connected to the base 1 and is disposed opposite to the limiting baffle 3.

[0037] In one embodiment, a fourth screw 91 and a fourth positioning pin 92 are also included. The fourth positioning pin 92 positions and connects the limiting block 8 and the base 1, and the fourth screw 91 fastens and connects the limiting block 8 and the base 1.

[0038] In one embodiment, a fifth screw 93 and a fifth locating pin 94 are also included. The fifth locating pin 94 positions and connects the base 51 to the base 1, and the fifth screw 93 secures and connects the base 51 to the base 1. In use, the mechanism is first fixed to the work platform through the mounting holes in the base. The clamping nut 54 and threaded rod 43 are loosened to open the clamping mechanism. The wiper arm extension rod is placed on the placement surface 21 of the V-block 2, with one end pressed against the limiting baffle 3. The threaded rod 43 is rotated by the assist rod 44, pushing the clamping head 41 towards the workpiece to complete the initial lateral positioning. Then, the clamping nut 54 is tightened, and the rotating clamping block 52 is rotated by the threaded guide rod 53, causing the clamping block 55 to press against the upper part of the workpiece, completing the vertical clamping. After welding is completed, the clamping components are loosened in reverse order to remove the machined workpiece.

[0039] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0040] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A welding positioning mechanism for a wiper arm extension rod, characterized by, include: Base; V-shaped block, connected to the base, has a placement surface that matches the outer surface of the wiper arm extension rod, the placement surface being used to place the wiper arm extension rod; A limiting baffle is connected to the base; A lateral clamping mechanism is connected to the base. The lateral clamping mechanism and the limiting baffle are respectively disposed opposite to each other at both ends of the V-shaped block in the length direction. The lateral clamping mechanism and the limiting baffle cooperate to clamp the wiper arm extension rod to limit the movement of the wiper arm extension rod in the length direction. A height-low direction clamping mechanism is connected to the base. The height-low direction clamping mechanism and the V-block cooperate to clamp the wiper arm extension rod to limit the movement of the wiper arm extension rod in the height direction.

2. The welding and positioning mechanism for the wiper arm extension rod according to claim 1, characterized in that, The lateral clamping mechanism includes a clamping head, a threaded block, and a threaded rod. The threaded block is fixedly connected to the base, the threaded rod is threadedly connected to the threaded block, and the clamping head is connected to the end of the threaded rod. The clamping head is disposed opposite to the limiting baffle.

3. The welding and positioning mechanism for the wiper arm extension rod according to claim 1, characterized in that, The high-low direction clamping mechanism includes a base, a rotating clamping block, a threaded guide rod, and a clamping nut. The base is fixedly connected to the base, the rotating clamping block is rotatably connected to the base, the rotating clamping block is provided with a mounting groove, the threaded guide rod passes through the mounting groove and is fixedly connected to the base at one end, the clamping nut is located at the other end of the threaded guide rod and is threadedly connected to the threaded guide rod, and the clamping nut abuts against the rotating clamping block.

4. The welding and positioning mechanism for the wiper arm extension rod according to claim 3, characterized in that, The high-low direction clamping mechanism also includes multiple clamping blocks, which are spaced apart and fixedly connected to the rotating clamping block.

5. The welding and positioning mechanism for the wiper arm extension rod according to claim 4, characterized in that, The high-low direction clamping mechanism further includes a first screw and a first positioning pin. The first positioning pin positions and connects the clamping block and the rotating clamping block, and the first screw fastens and connects the clamping block and the rotating clamping block.

6. The welding positioning mechanism for the wiper arm extension rod according to claim 3, characterized in that, The high-low direction clamping mechanism also includes a first pin and a second pin. The first pin connects the base to the threaded guide rod, and the second pin rotatably connects the base to the rotating clamping block.

7. The welding and positioning mechanism for the wiper arm extension rod according to claim 1, characterized in that, It also includes a second screw and a second positioning pin, the second positioning pin positioning and connecting the limiting baffle and the base, and the second screw fastening and connecting the limiting baffle and the base.

8. The welding and positioning mechanism for the wiper arm extension rod according to claim 1, characterized in that, It also includes a third screw and a third locating pin, the third locating pin being used to position and connect the V-block to the base, and the third screw being used to fasten the V-block to the base.

9. The welding positioning mechanism for the wiper arm extension rod according to claim 1, characterized in that, It also includes a limiting block, which is fixedly connected to the base and is disposed opposite to the limiting baffle.

10. The welding and positioning mechanism for the wiper arm extension rod according to claim 9, characterized in that, It also includes a fourth screw and a fourth locating pin, wherein the fourth locating pin positions and connects the limiting block to the base, and the fourth screw fastens and connects the limiting block to the base.

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