Positioning and clamping mechanism of automobile stamping part welding fixture

Abstract

The utility model discloses an automobile stamping part welding fixture positioning and clamping mechanism which is characterized in that the upper surface of a base is fixedly connected with a protection plate, a water outlet is formed in the protection plate, and a positioning pin is arranged on the upper surface of the base; a limiting block is fixedly connected to the side surface of the supporting block, a connecting plate is fixedly connected to the upper surface of the limiting block, a connecting block is movably connected to the upper surface of the connecting plate, a telescopic rod is fixedly connected to the interior of the connecting block, a fixing block is fixedly connected to the telescopic rod, the connecting block is slidably connected with the positioning pin, and a lubricating oil tank is fixedly connected to the side surface of the connecting plate. A sliding plate is arranged in the supporting block, a sliding block is slidably connected to the side surface of the sliding plate, and a lifting block is fixedly connected to the side surface of the sliding block, and through the structure, the beneficial effects that stable positioning and clamping are achieved, lubricating is fast and convenient, the service life of the device is prolonged, loss is reduced, the positioning process is stable, and positioning is conducted stably are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning and clamping mechanisms, in particular to a positioning and clamping mechanism for a welding fixture of automobile stamping parts. Background Art

[0002] Automobile stamping parts welding fixture is a tool used for stamping parts welding in the automobile production process. The welding fixture positioning clamping mechanism is a device used for positioning and clamping in the welding assembly process. Automobile stamping parts welding fixture usually needs to use a positioning clamping mechanism to ensure the accurate positioning and clamping of the workpiece during the welding process. These positioning clamping mechanisms are usually specially designed to ensure the accurate positioning and fixation of the welded parts during the welding process. However, the traditional positioning clamping mechanism is prone to poor positioning accuracy, unstable positioning process, and positioning misalignment during use. It is difficult to add lubricating oil to the device, and the device is not easy to clean. For example, the Chinese patent disclosed, "Automobile stamping parts welding fixture positioning clamping mechanism", its application number is "CN20192 0307590.0", which includes: a rotating base is fixedly connected to the middle position directly below the platform, chamfers are arranged on the left and right sides of the bottom of the platform, two gear tracks are respectively fixedly connected to the left and right sides of the top of the platform, two slide rails are respectively fixedly connected to the left and right sides of the top of the platform, two mobile clamping devices are respectively provided with slide grooves at the bottom, two mobile clamping devices are respectively slidably connected to the top of the slide rails through the slide grooves, two motors are respectively fixedly connected to one side of the mobile clamping device, and the fixed clamping device is fixedly connected to the middle position of the top of the platform. However, the above components still have the following problems: the positioning accuracy of the device is poor, the positioning process is not stable, the positioning misalignment problem is easy to occur, the lubricating oil field of the device is difficult to add, and the device is not easy to clean. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a positioning and clamping mechanism for a welding fixture for automobile stamping parts, wherein the position of the device is fixed by a limit block and a positioning pin, and then the lifting structure in the support block and the telescopic rod and the fixed block in the connecting block are moved, thereby achieving accurate positioning of the device, being able to stably control the clamping force, and the device running smoothly during positioning and clamping, which can improve accuracy while reducing the possibility of fluctuations. The device is lubricated by a lubricating oil tank on the side of the connecting plate, and then cleaned by a cleaning device inside the device, thereby achieving fast and stable lubrication of the device, thereby reducing losses and increasing service life, and the device is easy to clean and can effectively avoid erosion by stains such as grease.

[0004] The utility model also provides a positioning and clamping mechanism of the above-mentioned automobile stamping part welding fixture, comprising: a base, the upper surface of the base is fixedly connected with a protective plate, the interior of the protective plate is provided with a drain outlet, and the upper surface of the base is provided with a positioning pin; a supporting block, the side surface of the supporting block is fixedly connected with a limiting block, the upper surface of the limiting block is fixedly connected with a connecting plate, the upper surface of the connecting plate is movably connected with a connecting block, the interior of the connecting block is fixedly connected with a telescopic rod, the telescopic rod is fixedly connected with a fixed block, the connecting block is slidably connected with the positioning pin, and the side surface of the connecting plate is fixedly connected with a lubricating oil tank; a sliding plate is provided inside the support block, the side surface of the sliding plate is slidably connected with a sliding block, and the side surface of the sliding block is fixedly connected with a lifting block. Through the above device, the advantages of stable positioning and clamping, quick and convenient lubrication, extended service life of the device, reduced loss, stable positioning process, and smooth positioning are achieved.

[0005] According to the positioning and clamping mechanism of the automobile stamping parts welding fixture described in the utility model, the lifting block is fixedly connected to the connecting block, and the lifting block is slidably connected to the supporting block. Through the above device, the position of the lifting block is stable, and the connecting block can be stably driven to lift and lower.

[0006] According to the positioning and clamping mechanism of the automobile stamping parts welding fixture described in the utility model, the lubricating oil tank is fixedly connected to the limit block, and the lubricating oil tank is movably connected to the connecting block. Through the above device, the lubricating oil tank is stably positioned and can stably lubricate the device.

[0007] According to the positioning and clamping mechanism of the automobile stamping parts welding fixture described in the utility model, the inner surface of the protective plate is fixedly connected with a cleaning box, and the cleaning box is located above the drain outlet. Through the above device, the position of the cleaning box is fixed and there is no direct contact with the device, which can reduce the effect of the cleaning agent on the corrosion of the device.

[0008] According to the positioning and clamping mechanism of the automobile stamping parts welding fixture described in the utility model, a storage box is provided on the side surface of the base, and a dry cloth is installed inside the storage box. Through the above device, the device can be wiped dry with a dry cloth after cleaning to prevent residual detergent from corroding the device.

[0009] According to the positioning and clamping mechanism of the automobile stamping parts welding fixture described in the utility model, the interior of the cleaning box is filled with a mild detergent, and the cleaning box is provided with a spray port. Through the above device, the detergent is relatively mild and can reduce the effect of corrosion.

[0010] According to the positioning and clamping mechanism of the automobile stamping parts welding fixture described in the utility model, a water tank is fixedly connected to the top of the cleaning box, and a water pipe is arranged on the water tank. Through the above device, the advantage of being able to flush the device after cleaning with the detergent to discharge the detergent is achieved.

[0011] According to the positioning and clamping mechanism of the automobile stamping parts welding fixture described in the utility model, the fixing block and the connecting block are respectively located on both sides of the positioning pin. Through the above device, the fixing block can stably clamp the stamping parts.

[0012] Beneficial Effects

[0013] 1. Compared with the prior art, the positioning and clamping mechanism of the automobile stamping welding fixture fixes the position of the device through the limit block and the positioning pin, and then moves through the lifting structure in the support block and the telescopic rod and the fixed block in the connecting block, so as to achieve accurate positioning of the device, stably control the clamping force, and the device runs smoothly during positioning and clamping, which can improve the accuracy while reducing the possibility of fluctuation.

[0014] 2. Compared with the prior art, the positioning and clamping mechanism of the automobile stamping welding fixture lubricates the device through the lubricating oil tank on the side of the connecting plate, and then cleans it through the cleaning device inside the device, thereby achieving fast and stable lubrication of the device, thereby reducing losses and increasing service life. The device is easy to clean and can effectively avoid erosion by stains such as grease. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is the overall structural diagram of the positioning and clamping mechanism of the automobile stamping welding fixture of the utility model;

[0017] Figure 2 It is a side view structural diagram of the positioning and clamping mechanism of the automobile stamping welding fixture of the utility model;

[0018] Figure 3 It is a right side cross-sectional view of the positioning and clamping mechanism of the automobile stamping welding fixture of the utility model;

[0019] Figure 4 It is a left side cross-sectional view of the positioning and clamping mechanism of the automobile stamping parts welding fixture of the utility model.

[0020] Legend:

[0021] 1. Base; 2. Protective plate; 3. Drain port; 4. Cleaning box; 5. Lubricating oil tank; 6. Positioning pin; 7. Fixed block; 8. Telescopic rod; 9. Connecting block; 10. Lifting block; 11. Sliding block; 12. Limiting block; 13. Sliding plate; 14. Support block; 15. Connecting plate. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment is a positioning and clamping mechanism for a welding fixture for automobile stamping parts, which includes: a base 1, which provides stable support for the device as a whole, a protective plate 2 is fixedly connected to the upper surface of the base 1, which provides protection for the device, a drain port 3 is arranged inside the protective plate 2, which discharges the waste water after cleaning, a positioning pin 6 is arranged on the upper surface of the base 1, which positions the stamping parts, a storage box is arranged on the side surface of the base 1, which stores articles, a dry cloth is arranged inside the storage box, which wipes the device dry after cleaning, a cleaning box 4 is fixedly connected to the inner surface of the protective plate 2, which cleans the device, the cleaning box 4 is located above the drain port 3, which limits the cleaning box 4, a soft detergent is arranged inside the cleaning box 4, which limits the articles inside the cleaning box 4, a spray port is arranged on the cleaning box 4, which sprinkles the detergent in the cleaning box 4, a water tank is fixedly connected above the cleaning box 4, which removes the residual detergent, and a water pipe is arranged on the water tank to sprinkle the water in the water tank.

[0024] The support block 14 provides support for the positioning and clamping mechanism. The side surface of the support block 14 is fixedly connected to the limit block 12 to limit the positioning and clamping mechanism. The upper surface of the limit block 12 is fixedly connected to a connecting plate 15. The upper surface of the connecting plate 15 is movably connected to a connecting block 9. The connecting block 9 is connected to the limit block 12, so that the connecting block 9 has a stable support source. The interior of the connecting block 9 is fixedly connected to a telescopic rod 8 to control the fixed block 7 to move up and down. The telescopic rod 8 is fixedly connected to a fixed block 7 to press the objects. The fixed block 7 and the connecting block 9 are respectively located on both sides of the positioning pin 6. The fixed block 7 and the connecting block 9 are limited. The connecting block 9 is slidably connected to the positioning pin 6 to limit the range of movement of the connecting block 9, which is convenient for positioning. The side surface of the connecting plate 15 is fixedly connected to a lubricating oil tank 5 to lubricate the device. The lubricating oil tank 5 is fixedly connected to the limit block 12 to limit the lubricating oil tank 5. The lubricating oil tank 5 is movably connected to the connecting block 9 to provide support for the lubricating oil tank 5.

[0025] A sliding plate 13 is provided inside the support block 14 to enable the sliding block 11 to slide stably. The side surface of the sliding plate 13 is slidably connected to the sliding block 11 to control the lifting block 10 to be lifted. The side surface of the sliding block 11 is fixedly connected to the lifting block 10. The lifting block 10 is fixedly connected to the connecting block 9. After being connected to the connecting block 9, the connecting block 9 is lifted and lowered. The lifting block 10 is slidably connected to the support block 14 to provide support for the lifting block 10 and limit the range of movement of the lifting block 10.

[0026] Working principle: During use, the connecting block 9 is raised through the lifting structure control device inside the support block 14, and the object is placed in the positioning pin 6. The connecting block 9 is controlled to descend through the lifting device. The connecting block 9 is slidably connected with the positioning pin 6, and the fixed block 7 below the connecting block 9 is lowered through the telescopic rod 8. The fixed block 7 fixes the object. The lifting device is composed of a sliding plate 13, a sliding block 11, a lifting block 10 and a support block 14. The support block 14 is fixed to the limit block 12, and the connecting plate 15 above the limit block 12 is fixed to the connecting block 9. The lubricating oil tank 5 is installed on the side of the connecting plate 15, and a base 1 is installed under the limit block 12 for support. A protective plate 2 is installed around it for protection. A drain port 3 is installed inside the protective plate 2, and a cleaning box 4 is installed on the inner surface of the protective plate 2. A water tank is installed above the cleaning box 4, and a storage box is installed on the side of the base 1. Dry cloth is stored in the storage box.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A positioning and clamping mechanism for a welding fixture for automobile stamping parts, characterized in that: include: A base (1), the upper surface of the base (1) being fixedly connected to a protective plate (2), a drainage port (3) being provided inside the protective plate (2), and a positioning pin (6) being provided on the upper surface of the base (1); A support block (14), the side surface of the support block (14) is fixedly connected to a limit block (12), the upper surface of the limit block (12) is fixedly connected to a connecting plate (15), the upper surface of the connecting plate (15) is movably connected to a connecting block (9), the interior of the connecting block (9) is fixedly connected to a telescopic rod (8), the telescopic rod (8) is fixedly connected to a fixed block (7), the connecting block (9) is slidably connected to a positioning pin (6), and the side surface of the connecting plate (15) is fixedly connected to a lubricating oil tank (5); A sliding plate (13) is arranged inside the support block (14); a side surface of the sliding plate (13) is slidably connected to a sliding block (11); and a side surface of the sliding block (11) is fixedly connected to a lifting block (10).

2. The positioning and clamping mechanism of the automobile stamping welding fixture according to claim 1 is characterized in that: The lifting block (10) is fixedly connected to the connecting block (9), and the lifting block (10) is slidably connected to the supporting block (14).

3. The positioning and clamping mechanism of the automobile stamping welding fixture according to claim 1 is characterized in that: The lubricating oil tank (5) is fixedly connected to the limiting block (12), and the lubricating oil tank (5) is movably connected to the connecting block (9).

4. The positioning and clamping mechanism of the automobile stamping welding fixture according to claim 1 is characterized in that: A cleaning box (4) is fixedly connected to the inner surface of the protection plate (2), and the cleaning box (4) is located above the drain outlet (3).

5. The positioning and clamping mechanism of the automobile stamping welding fixture according to claim 1 is characterized in that: A storage box is provided on the side surface of the base (1), and dry cloth is contained inside the storage box.

6. The automobile stamping parts welding fixture positioning and clamping mechanism according to claim 4, characterized in that: The interior of the cleaning box (4) is filled with a mild cleaning agent, and a spraying port is provided on the cleaning box (4).

7. The automobile stamping parts welding fixture positioning and clamping mechanism according to claim 4, characterized in that: A water tank is fixedly connected above the cleaning box (4), and a water pipe is arranged on the water tank.

8. The positioning and clamping mechanism of the automobile stamping welding fixture according to claim 1, characterized in that: The fixing block (7) and the connecting block (9) are respectively located on both sides of the positioning pin (6).

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