Fixing device for transmission shaft tube machining

Abstract

The utility model discloses a fixing device for transmission shaft tube machining, and relates to the technical field of transmission shaft tube machining. The device comprises a bottom plate, a positioning mechanism is fixedly arranged at the upper end of the bottom plate, an ejection mechanism is arranged in the positioning mechanism, the positioning mechanism comprises a positioning frame, the lower end of the positioning frame is fixedly connected with the upper end of the bottom plate, an air cylinder is arranged in the positioning frame, and the lower end of the air cylinder is fixedly connected with the upper end of the bottom plate. The output end of the air cylinder is fixedly provided with a limiting frame, the inner side of the limiting frame is provided with two positioning rods, the two sides of the positioning frame are each provided with two inclined grooves, and the inclined grooves are in sliding fit with the positioning rods. The stability of the structure is enhanced, and the machining precision and efficiency are effectively improved.

Description

Technical Field

[0001] This application relates to the field of transmission shaft tube processing technology, and in particular to a fixing device for processing transmission shaft tubes. Background Technology

[0002] The fixing device for machining drive shaft tubes is suitable for efficient and stable machining of drive shaft tubes required in the automotive, construction machinery, aerospace and other fields in precision machining workshops. This device can firmly clamp shaft tubes of various sizes and materials, ensuring that the position of the shaft tube remains stable during complex processes such as drilling, milling and grinding, thereby improving machining accuracy and efficiency, reducing scrap rate, and is a key auxiliary tool for improving the manufacturing quality of drive shaft components.

[0003] Regarding the aforementioned technologies, the inventors believe that in the past processing, shaft tubes were prone to shaking or shifting due to unreasonable design of the clamping device, resulting in decreased processing accuracy and low product qualification rate. In general, there are technical problems of unstable clamping and inaccurate positioning in the existing transmission shaft tube processing process. Utility Model Content

[0004] The purpose of this application is to provide a fixing device for machining transmission shaft tubes to improve the problems of unstable clamping and inaccurate positioning.

[0005] The present application provides a fixing device for machining transmission shaft tubes, which adopts the following technical solution:

[0006] A fixing device for machining a transmission shaft tube includes a base plate. A positioning mechanism is fixedly provided at the upper end of the base plate. An ejection mechanism is provided inside the positioning mechanism. The positioning mechanism includes a positioning frame, and the lower end of the positioning frame is fixedly connected to the upper end of the base plate. A cylinder is provided inside the positioning frame, and the lower end of the cylinder is fixedly connected to the upper end of the base plate. A limiting frame is fixedly provided at the output end of the cylinder. A positioning rod is provided on the inner side of the limiting frame. Inclined grooves are provided on both sides of the positioning frame, and the inclined grooves slide with the positioning rod. A positioning plate is fixedly provided on the outer surface of the positioning rod. A positioning clamp is fixedly provided at the upper end of the positioning plate. A positioning base is fixedly provided at the middle of the upper end of the positioning frame.

[0007] By adopting the above technical solution, the positioning mechanism enables precise clamping and positioning of the drive shaft tube. At the same time, the sliding cooperation between the slide rail and the positioning slider enhances the stability of the structure and effectively improves the processing accuracy and efficiency.

[0008] Optionally, the ejection mechanism includes an ejection frame, which is located above the limiting frame. Two ejection rods are fixedly provided on one end of the ejection frame and the limiting frame facing each other. An ejection mold is fixedly provided on one end of the ejection frame near the positioning base. Sliding plates are fixedly provided on both sides of the ejection frame. Sliding rods are provided on the inner sides of the two sliding plates, and the upper ends of the two sliding rods are fixedly connected to the upper inner wall of the positioning frame.

[0009] By adopting the above technical solution, the processed shaft tube can be ejected through the ejection mechanism.

[0010] Optionally, the limiting frame has limiting grooves on both sides near the inner wall of the positioning frame, and the limiting grooves slide with the positioning rod.

[0011] By adopting the above technical solution, the sliding fit between the limiting groove and the positioning rod enhances the accuracy and stability of positioning.

[0012] Optionally, the upper end of the positioning frame has two positioning grooves, which slide in conjunction with the positioning plate.

[0013] By adopting the above technical solution, the sliding fit between the positioning groove and the positioning plate further enhances the flexibility of positioning.

[0014] Optionally, slide rails are fixedly provided on both sides of the inner surface of the positioning frame, and positioning sliders are fixedly provided on both sides of the limiting frame near the inner wall of the positioning frame, with the positioning sliders slidingly engaging with the slide rails.

[0015] By adopting the above technical solution, the sliding cooperation between the slide rail and the positioning slider ensures the stability of the structure.

[0016] Optionally, ejection sliders are fixedly provided on both sides of the ejector frame near the inner wall of the positioning frame, and the ejection sliders slide in cooperation with the slide rail.

[0017] By adopting the above technical solution, the sliding cooperation between the ejector slider and the slide rail ensures the convenience of adjustment.

[0018] Optionally, the upper end of the positioning frame is provided with an ejection groove, which slides in conjunction with the ejection mold.

[0019] By adopting the above technical solution, the sliding cooperation between the sliding groove and the sliding rod makes the movement of the ejection mechanism more stable and controllable.

[0020] Optionally, the upper end of the sliding plate is provided with a sliding groove, which slides in conjunction with the sliding rod.

[0021] By adopting the above technical solution, the sliding fit between the ejector groove and the ejector mold ensures the accuracy and reliability of the ejection action.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. This utility model achieves precise clamping and positioning of the drive shaft tube through a positioning mechanism. At the same time, the sliding cooperation between the slide rail and the positioning slider enhances the stability of the structure and effectively improves the processing accuracy and efficiency. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of this utility model.

[0025] Figure 2 This is a cross-sectional schematic diagram of the positioning mechanism of this utility model.

[0026] Figure 3 This is a cross-sectional schematic diagram of the ejection mechanism of this utility model.

[0027] In the diagram, 1 is the base plate; 2 is the positioning mechanism; 3 is the ejection mechanism; 20 is the positioning frame; 21 is the cylinder; 22 is the limiting groove; 23 is the positioning rod; 24 is the limiting frame; 25 is the positioning groove; 26 is the positioning plate; 27 is the inclined groove; 28 is the positioning slider; 29 is the slide rail; 201 is the positioning base; 202 is the positioning clamping plate; 30 is the ejection rod; 31 is the ejection slider; 32 is the ejection mold; 33 is the ejection groove; 34 is the sliding rod; 35 is the sliding groove; 36 is the sliding plate; and 37 is the ejection frame. Detailed Implementation

[0028] The following is in conjunction with the appendix Figure 1 - Appendix Figure 3 This application will be described in further detail below.

[0029] Example

[0030] A fixing device for machining a transmission shaft tube, as shown in the reference. Figure 1 and Figure 2 The base plate 1 serves as the foundation of the entire fixing device, and the positioning mechanism 2 is fixedly connected to its upper end. The core of the positioning mechanism 2 is the positioning frame 20, which is also fixedly connected to the base plate 1. The cylinder 21 is located inside the positioning frame 20, and its lower end is fixedly connected to the base plate 1. The output end is connected to the limiting frame 24. Two positioning rods 23 are provided on the inner side of the limiting frame 24. They slide and cooperate with the inclined grooves 27 on both sides of the positioning frame 20. The positioning plate 26 is fixedly connected to the outer surface of the positioning rods 23. The positioning clamp 202 is fixedly connected to the upper end of the positioning plate 26. The positioning base 201 is provided in the middle of the upper end of the positioning frame 20.

[0031] Reference Figure 2The sliding fit between the limiting groove 22 and the positioning rod 23 enhances the accuracy and stability of positioning, while the sliding fit between the positioning groove 25 and the positioning plate 26 further improves the flexibility of positioning. The sliding fit between the slide rail 29 and the positioning slider 28, as well as the sliding fit between the ejector slider 31 and the slide rail 29, together ensure the stability of the structure and the convenience of adjustment.

[0032] Reference Figure 3 The ejector frame 37 of the ejector mechanism 3 is located above the limit frame 24, and two ejector rods 30 are fixedly connected to one end of the ejector frame 37 opposite to the limit frame 24. The ejector mold 32 is fixedly connected to one end of the ejector frame 37 near the positioning base 201. Sliding plates 36 are fixedly connected to both sides of the ejector frame 37. Sliding rods 34 are provided on the inner side of the sliding plates 36. The upper end of the sliding rods 34 is fixedly connected to the upper inner wall of the positioning frame 20.

[0033] Reference Figure 3 The sliding engagement between the sliding groove 35 and the sliding rod 34 makes the movement of the ejection mechanism 3 more stable and controllable, while the sliding engagement between the ejection groove 33 and the ejection mold 32 ensures the accuracy and reliability of the ejection action.

[0034] The implementation principle of this application embodiment is as follows: When it is necessary to fix the drive shaft tube, the tube is placed in the positioning base 201. Then the cylinder 21 is started, pushing the limit frame 24 to move downward. As the limit frame 24 moves, the positioning rod 23 slides in the inclined groove 27, and at the same time drives the positioning plate 26 and the positioning clamping plate 202 to move towards the tube until the tube is tightly clamped on the positioning base 201. This allows the positioning mechanism 2 to ensure that the positioning clamping plate 202 clamps the tube evenly through the guiding effect of the inclined groove 27.

[0035] When the processing is completed and the shaft tube needs to be removed, the ejection mechanism 3 is activated. As the cylinder 21 pushes upward, the positioning mechanism 2 releases the fixation of the shaft tube. At the same time, the ejection frame 37, guided by the sliding rod 34, pushes the limit frame 24 upward through the ejection rod 30. Meanwhile, the ejection mold 32 slides along the ejection groove 33, ejecting the shaft tube from the positioning base 201. This not only ensures the smoothness and reliability of the ejection action, but also enhances the stability and durability of the ejection mechanism 3 through the cooperation of the sliding plate 36 and the sliding groove 35.

[0036] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. A fixing device for machining a transmission shaft tube, comprising a base plate (1), characterized in that: The upper end of the base plate (1) is fixedly provided with a positioning mechanism (2), and the interior of the positioning mechanism (2) is provided with an ejection mechanism (3). The positioning mechanism (2) includes a positioning frame (20), and the lower end of the positioning frame (20) is fixedly connected to the upper end of the base plate (1). The positioning frame (20) is provided with a cylinder (21), and the lower end of the cylinder (21) is fixedly connected to the upper end of the base plate (1). The output end of the cylinder (21) is fixedly provided with a limiting frame (24). The inner side of the limiting frame (24) is provided with a positioning rod (23). The two sides of the positioning frame (20) are provided with inclined grooves (27). The inclined grooves (27) and the positioning rod (23) slide together. The outer surface of the positioning rod (23) is fixedly provided with a positioning plate (26). The upper end of the positioning plate (26) is fixedly provided with a positioning clamp (202). The middle part of the upper end of the positioning frame (20) is fixedly provided with a positioning base (201).

2. The fixing device for machining a transmission shaft tube according to claim 1, characterized in that: The ejection mechanism (3) includes an ejection frame (37), which is located above the limiting frame (24). Two ejection rods (30) are fixedly provided on one end of the ejection frame (37) and the limiting frame (24). An ejection mold (32) is fixedly provided on one end of the ejection frame (37) near the positioning base (201). Sliding plates (36) are fixedly provided on both sides of the ejection frame (37). Sliding rods (34) are provided on the inner side of the two sliding plates (36), and the upper ends of the two sliding rods (34) are fixedly connected to the upper inner wall of the positioning frame (20).

3. The fixing device for machining a transmission shaft tube according to claim 1, characterized in that: The limiting frame (24) has limiting grooves (22) on both sides of the inner wall of the positioning frame (20), and the limiting grooves (22) slide with the positioning rod (23).

4. The fixing device for machining a transmission shaft tube according to claim 1, characterized in that: The upper end of the positioning frame (20) has two positioning grooves (25), which slide in conjunction with the positioning plate (26).

5. The fixing device for machining a transmission shaft tube according to claim 1, characterized in that: The inner surface of the positioning frame (20) is fixedly provided with slide rails (29) on both sides, and the positioning frame (24) is fixedly provided with positioning sliders (28) on both sides near the inner wall of the positioning frame (20). The positioning sliders (28) slide in cooperation with the slide rails (29).

6. The fixing device for machining a transmission shaft tube according to claim 2, characterized in that: The ejector frame (37) is fixedly provided with ejector sliders (31) on both sides of the inner wall of the positioning frame (20), and the ejector sliders (31) slide in cooperation with the slide rail (29).

7. The fixing device for machining a transmission shaft tube according to claim 1, characterized in that: The upper end of the positioning frame (20) is provided with an ejection groove (33), which slides in conjunction with the ejection mold (32).

8. A fixing device for machining a transmission shaft tube according to claim 2, characterized in that: The upper end of the sliding plate (36) is provided with a sliding groove (35), and the sliding groove (35) is slidably engaged with the sliding rod (34).

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