Self-centering metal part clamping device

Abstract

The utility model relates to the field of metal processing and manufacturing, and discloses a self-centering metal part clamping device which comprises a platform and a bottom plate, the lower surface of the platform is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a sliding plate, and the outer wall of the sliding plate is slidably connected to the inner wall of the platform. A plurality of groups of clamping rods are fixedly connected to the upper surface of the sliding plate, the clamping rods are transversely arranged and distributed, the lower surface of the sliding strip is fixedly connected to the upper surface of the platform, an auxiliary centering assembly is arranged on the outer wall of the sliding plate, and an inclination adjusting assembly is arranged on the upper surface of the bottom plate. According to the centering device, the sliding plate is driven by the hydraulic cylinder to slide under the limitation of the platform, the sliding block and the sliding strip, the effect of driving the linkage rod and the synchronous plate to drive the clamping rods on the two sides to be centered is achieved, the first-stage centering and fixing effect is achieved in the using process, and meanwhile the second-stage centering and fixing effect is achieved through the auxiliary centering assembly.

Description

Technical Field

[0001] This utility model relates to the field of metal processing and manufacturing, and in particular to a self-centering metal parts clamping device. Background Technology

[0002] Metal parts are components made of metal materials and used in various machines, equipment, tools, and products. They play a vital role in industry and manufacturing. Metal parts are widely used in the automotive, aerospace, electronics, energy, and construction industries, and different metal materials and manufacturing methods can be used depending on factors such as usage requirements, performance, and processing technology.

[0003] A self-centering metal parts clamping device (or self-centering fixture) is a tool used to clamp metal parts and is widely used in machining equipment such as lathes, milling machines, and grinding machines. Its main function is to ensure the center position and stability of the clamped part during machining, preventing displacement or deformation during machining, thereby improving machining accuracy and efficiency.

[0004] Traditional metal parts clamping devices mostly use manual or simple mechanical structures for positioning and clamping. Manual clamping is not only cumbersome and inefficient, but also difficult to guarantee the consistency of clamping accuracy each time due to differences in human operation. This can easily lead to large dimensional deviations in the machined parts, failing to meet the requirements of high-precision machining. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a self-centering metal parts clamping device, which aims to improve the traditional manual clamping method, which is difficult to guarantee the consistency of clamping accuracy each time, and is prone to large deviations in the dimensions of the processed parts, thus failing to meet the requirements of high-precision machining.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A self-centering metal parts clamping device includes a platform and a base plate. A hydraulic cylinder is fixedly connected to the lower surface of the platform, and a slide plate is fixedly connected to the output end of the hydraulic cylinder. The outer wall of the slide plate is slidably connected to the inner wall of the platform. A clamping rod is fixedly connected to the upper surface of the slide plate. Multiple sets of clamping rods are arranged horizontally. A linkage rod is rotatably connected to the upper surface of the slide plate. A synchronization plate is rotatably connected to the outer wall of the linkage rod. The inner wall of the synchronization plate is rotatably connected to the outer wall of the platform. A slider is fixedly connected to the lower surface of the slide plate. A slide bar is slidably connected to the inner wall of the slider. The lower surface of the slide bar is fixedly connected to the upper surface of the platform. An auxiliary centering component is provided on the outer wall of the slide plate. A tilt adjustment component is provided on the upper surface of the base plate.

[0008] Preferably, the auxiliary centering component includes a limiting sleeve, the outer wall of which is rotatably connected to the inner wall of the slide plate, and an electric push rod is fixedly connected to the inner wall of the limiting sleeve.

[0009] Preferably, the output end of the electric push rod is fixedly connected to a T-shaped rotating block, and the outer wall of the T-shaped rotating block is rotatably connected to the inner wall of the slide plate.

[0010] Preferably, a pressure rod is rotatably connected to the upper inner wall of the T-shaped rotating block, a centering rod is rotatably connected to the outer wall of the pressure rod, and the outer wall of the centering rod is rotatably connected to the inner wall of the slide plate.

[0011] Preferably, the tilt adjustment assembly includes a sliding seat, the lower surface of which is fixedly connected to the upper surface of the base plate, a motor is fixedly connected to the outer wall of the sliding seat, and a threaded rod is fixedly connected to the output end of the motor.

[0012] Preferably, the outer wall of the threaded rod is threadedly connected to a slide, the outer wall of the slide is slidably connected to the inner wall of the slide seat, and a drive rod is fixedly mounted on the upper surface of the slide.

[0013] Preferably, the toothed end of the drive rod is engaged with a first drive wheel, the toothed end of the drive rod is engaged with a second drive wheel, and the toothed end of the drive rod is engaged with a third drive wheel. The inner walls of the first drive wheel, the second drive wheel, and the third drive wheel are all fixedly connected with lifting rods. The third drive wheel and the first drive wheel are arranged alternately on opposite sides.

[0014] Preferably, the inner wall of the lifting rod is slidably connected to an inner support column, the outer wall of the inner support column is slidably connected to a support leg, the lower surface of the support leg is fixedly connected to the upper surface of the base plate, and the top of the inner support column is detachably fitted with a connecting sleeve, and multiple sets of the connecting sleeves are arranged in a rectangular array.

[0015] This utility model has the following beneficial effects:

[0016] 1. In this utility model, the parts are first placed on the platform, and then the hydraulic cylinder drives the slide plate to slide under the limit of the platform, the slider, and the slide bar, which drives the linkage rod and the synchronous plate to drive the clamping rods on both sides to center. During use, it plays a primary centering and fixing role, and at the same time, the auxiliary centering component plays a secondary fixing and centering role.

[0017] 2. In this utility model, the electric push rod drives the limiting sleeve to rotate under the limiting of the sliding plate. The electric push rod drives the T-shaped rotating block and the pressure rod to move. At the same time, the sliding plate limits the T-shaped rotating block. The pressure rod drives the centering rod to press down inward under the limiting of the sliding plate. During use, it achieves a two-stage centering and fixing effect.

[0018] 3. In this utility model, when the threaded rod is driven by the motor to rotate inside the sliding seat, the sliding table is moved by the threaded rod. When it meshes with the second drive wheel, it achieves the effect of height adjustment. When it meshes with either the first drive wheel or the third drive wheel, the inner support slide column is driven by the lifting rod, which achieves the effect of unilateral height adjustment during use. It is convenient to load or unload materials according to the needs of use. At the same time, the connecting sleeve supports the platform and rotates with the central roller, thus achieving the effect of limiting and fixing during use. Attached Figure Description

[0019] Figure 1 This is a perspective view of the self-centering metal parts clamping device proposed in this utility model.

[0020] Figure 2 This is a partial schematic diagram of the platform of the self-centering metal parts clamping device proposed in this utility model;

[0021] Figure 3 This is a partial schematic diagram of the T-shaped rotating block of the self-centering metal parts clamping device proposed in this utility model;

[0022] Figure 4 This is a partial schematic diagram of the inner support slide column of the self-centering metal part clamping device proposed in this utility model.

[0023] Legend:

[0024] 1. Platform; 2. Hydraulic cylinder; 3. Slide plate; 4. Clamping rod; 5. Linkage rod; 6. Synchronizing plate; 7. Slider; 8. Slide bar; 9. Electric push rod; 10. Limit sleeve; 11. T-shaped rotating block; 12. Pressure rod; 13. Centering rod; 14. Base plate; 15. Motor; 16. Slide table; 17. Drive rod; 18. First drive wheel; 19. Second drive wheel; 20. Third drive wheel; 21. Lifting rod; 22. Inner support slide column; 23. Support leg; 24. Connecting sleeve; 25. Sliding seat. Detailed Implementation

[0025] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0026] Reference Figures 1-4An embodiment of this utility model provides a self-centering metal parts clamping device, including a platform 1 and a base plate 14. A hydraulic cylinder 2 is fixedly connected to the lower surface of the platform 1, and a slide plate 3 is fixedly connected to the output end of the hydraulic cylinder 2. The outer wall of the slide plate 3 is slidably connected to the inner wall of the platform 1. A clamping rod 4 is fixedly connected to the upper surface of the slide plate 3. Multiple sets of clamping rods 4 are arranged horizontally. A linkage rod 5 is rotatably connected to the upper surface of the slide plate 3. A synchronization plate 6 is rotatably connected to the outer wall of the linkage rod 5. The inner wall of the synchronization plate 6 is rotatably connected to the outer wall of the platform 1. A slider 7 is fixedly connected to the lower surface of the slide plate 3. A slide bar 8 is slidably connected to the inner wall of the slider 7. The lower surface of the slide bar 8 is fixedly connected to the upper surface of the platform 1. An auxiliary centering component is provided on the outer wall of the slide plate 3. An tilt adjustment component is provided on the upper surface of the base plate 14.

[0027] Specifically, the parts are first placed on platform 1. During use, the hydraulic cylinder 2 is activated to drive the slide plate 3 to slide under the limit of platform 1. At the same time, the slider 7 and slide bar 8 limit the slide plate 3 to prevent it from deviating. During use, the slide plate 3 drives the clamping rod 4 under the drive of the hydraulic cylinder 2 to achieve the first centering effect. During use, the slide plate 3 drives the linkage rod 5 and the synchronization plate 6 under the action of platform 1 to drive the slide plate 3 on the other side to achieve synchronous centering effect. At the same time, the auxiliary centering component achieves the centering effect during use. During use, the tilt adjustment component not only achieves the height adjustment effect, but also has the tilting effect to any side.

[0028] Reference Figure 3 The auxiliary centering component includes a limiting sleeve 10, the outer wall of which is rotatably connected to the inner wall of the slide plate 3. An electric push rod 9 is fixedly connected to the inner wall of the limiting sleeve 10. A T-shaped rotating block 11 is fixedly connected to the output end of the electric push rod 9, and the outer wall of the T-shaped rotating block 11 is rotatably connected to the inner wall of the slide plate 3. A pressure rod 12 is rotatably connected to the upper inner wall of the T-shaped rotating block 11, and a centering rod 13 is rotatably connected to the outer wall of the pressure rod 12. The outer wall of the centering rod 13 is rotatably connected to the inner wall of the slide plate 3.

[0029] Specifically, when the electric push rod 9 is started, the limiting sleeve 10 rotates inside the slide plate 3 to limit the electric push rod 9. At the same time, the electric push rod 9 drives the T-shaped rotating block 11 to rotate inside the slide plate 3, which allows the T-shaped rotating block 11 to drive the pressure rod 12 to move the centering rod 13 downward. Thus, during use, it can play a secondary positioning role for the part.

[0030] Reference Figure 4The tilt adjustment assembly includes a sliding seat 25, the lower surface of which is fixedly connected to the upper surface of the base plate 14. A motor 15 is fixedly connected to the outer wall of the sliding seat 25, and a threaded rod is fixedly connected to the output end of the motor 15. A slide table 16 is threadedly connected to the outer wall of the threaded rod, and the outer wall of the slide table 16 is slidably connected to the inner wall of the sliding seat 25. A drive rod 17 is fixedly mounted on the upper surface of the slide table 16. A first drive wheel 18, a second drive wheel 19, and a third drive wheel 20 are engaged with the toothed ends of the drive rod 17. Lifting rods 21 are fixedly connected to the inner walls of the first drive wheel 18, the second drive wheel 19, and the third drive wheel 20. The third drive wheel 20 and the first drive wheel 18 are arranged alternately on opposite sides. The inner wall of the lifting rod 21 is slidably connected to an inner support column 22, and the outer wall of the inner support column 22 is slidably connected to a support leg 23. The lower surface of the support leg 23 is fixedly connected to the upper surface of the base plate 14. The top of the inner support column 22 is detachably installed with a connecting sleeve 24, and multiple sets of connecting sleeves 24 are arranged in a rectangular array.

[0031] Specifically, the motor 15 drives the threaded rod to rotate, which in turn drives the slide table 16 to slide inside the sliding seat 25 during use. This emphasizes the effect of adjusting the position of the drive rod 17 during use. When the drive rod 17 drives the first drive wheel 18 to rotate, the height on one side can be adjusted. When the second drive wheel 19 engages, the overall height can be adjusted. When it engages with the third drive wheel 20, the height on the other side can be adjusted. At the same time, during use, the lifting rod 21 drives the inner support slide column 22 to adjust its height under the limit of the support leg 23. The bottom of the inner support slide column 22 slides inside the lifting rod 21, so that the lifting rod 21 can adjust its height when it rotates. During use, the adjustment can be selected according to actual needs, which can help adjust the material during loading and unloading.

[0032] Working principle: When the device is needed, the part is placed on platform 1, and hydraulic cylinder 2 is activated. The output end of hydraulic cylinder 2 drives slide plate 3 to slide under the limiting action of platform 1. At the same time, slider 7 slides in slide bar 8, which limits slide plate 3 to prevent displacement. The movement of slide plate 3 drives clamping rod 4 to perform clamping operation. Clamping rod 4 is arranged in multiple sets laterally, thereby realizing the first step of clamping and centering of the part. Slide plate 3 is connected to linkage rod 5 and synchronous plate 6. The other side of slide plate 3 moves synchronously under the action of synchronous plate 6, thereby realizing synchronous clamping and centering on both sides. At the same time, secondary positioning is achieved through auxiliary centering components: After electric push rod 9 is activated, it is limited by limiting sleeve 10. The output end of electric push rod 9 drives T-shaped rotating block 11 to rotate. The rotating block 11 drives the pressure rod 12 and the centering rod 13 to move, so that the centering rod 13 assists in positioning the parts, thereby improving the centering accuracy of the parts. The tilt adjustment component set on the base plate 14 drives the threaded rod through the motor 15, so that the slide table 16 slides in the sliding seat 25, thereby adjusting the position of the slide table 16. The upper surface of the slide table 16 is fixedly connected to the drive rod 17, and the toothed end of the drive rod 17 meshes with the first drive wheel 18, the second drive wheel 19 and the third drive wheel 20 respectively. The inner wall is fixedly connected to the lifting rod 21. The rotation of the lifting rod 21 further drives the inner support slide column 22 to slide under the limit of the support leg 23, thereby adjusting the overall height or local height of the device, thus achieving the height adjustment and tilt adjustment functions of the device according to actual needs.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A self-centering metal part clamping device, comprising a platform (1) and a base plate (14), characterized in that: A hydraulic cylinder (2) is fixedly connected to the lower surface of the platform (1), and a slide plate (3) is fixedly connected to the output end of the hydraulic cylinder (2). The outer wall of the slide plate (3) is slidably connected to the inner wall of the platform (1). A clamping rod (4) is fixedly connected to the upper surface of the slide plate (3). Multiple clamping rods (4) are arranged in a horizontal arrangement. A linkage rod (5) is rotatably connected to the upper surface of the slide plate (3). A synchronization plate (6) is rotatably connected to the outer wall of the linkage rod (5). The inner wall of the synchronization plate (6) is rotatably connected to the outer wall of the platform (1). A slider (7) is fixedly connected to the lower surface of the slide plate (3). A slide bar (8) is slidably connected to the inner wall of the slider (7). The lower surface of the slide bar (8) is fixedly connected to the upper surface of the platform (1). An auxiliary centering component is provided on the outer wall of the slide plate (3). A tilt adjustment component is provided on the upper surface of the base plate (14).

2. The self-centering metal part clamping device according to claim 1, characterized in that: The auxiliary centering component includes a limiting sleeve (10), the outer wall of which is rotatably connected to the inner wall of the slide plate (3), and an electric push rod (9) is fixedly connected to the inner wall of the limiting sleeve (10).

3. The self-centering metal part clamping device according to claim 2, characterized in that: The output end of the electric push rod (9) is fixedly connected to a T-shaped rotating block (11), and the outer wall of the T-shaped rotating block (11) is rotatably connected to the inner wall of the slide plate (3).

4. The self-centering metal part clamping device according to claim 3, characterized in that: The upper inner wall of the T-shaped rotating block (11) is rotatably connected to a pressure rod (12), the outer wall of the pressure rod (12) is rotatably connected to a centering rod (13), and the outer wall of the centering rod (13) is rotatably connected to the inner wall of the slide plate (3).

5. The self-centering metal part clamping device according to claim 1, characterized in that: The tilt adjustment assembly includes a sliding seat (25), the lower surface of which is fixedly connected to the upper surface of the base plate (14), and a motor (15) is fixedly connected to the outer wall of the sliding seat (25). A threaded rod is fixedly connected to the output end of the motor (15).

6. The self-centering metal part clamping device according to claim 5, characterized in that: The outer wall of the threaded rod is threadedly connected to a slide (16), the outer wall of the slide (16) is slidably connected to the inner wall of the slide seat (25), and a drive rod (17) is fixedly provided on the upper surface of the slide (16).

7. The self-centering metal part clamping device according to claim 6, characterized in that: The toothed end of the drive rod (17) is engaged with a first drive wheel (18), the toothed end of the drive rod (17) is engaged with a second drive wheel (19), and the toothed end of the drive rod (17) is engaged with a third drive wheel (20). The inner walls of the first drive wheel (18), the second drive wheel (19), and the third drive wheel (20) are all fixedly connected with lifting rods (21). The third drive wheel (20) and the first drive wheel (18) are arranged crosswise on opposite sides.

8. The self-centering metal part clamping device according to claim 7, characterized in that: The inner wall of the lifting rod (21) is slidably connected to an inner support column (22), and the outer wall of the inner support column (22) is slidably connected to a support leg (23). The lower surface of the support leg (23) is fixedly connected to the upper surface of the base plate (14). The top of the inner support column (22) is detachably fitted with a connecting sleeve (24), and multiple sets of the connecting sleeve (24) are arranged in a rectangular array.

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