High-precision powerful auxiliary supporting air cylinder

Abstract

The utility model discloses a high-precision powerful auxiliary supporting air cylinder which comprises a cylinder barrel provided with an inner cavity, a double-force air cylinder assembly installed in the inner cavity of the cylinder barrel, a floating supporting rod arranged at the output end of the double-force air cylinder assembly and a floating limiting assembly arranged between the floating supporting rod and the output end of the double-force air cylinder assembly. The floating limiting assembly comprises a collet which is movably arranged on the periphery of the floating supporting rod in a sleeving mode and a wedge-shaped structure which is arranged between the periphery of the collet and the output end of the double-force air cylinder assembly. The double-force air cylinder assembly is used for driving the collet chuck to tightly hold or loosen the floating supporting rod through the wedge-shaped structure. According to the utility model, the floating supporting rod is matched with the floating limiting assembly, so that the quick and high-precision positioning adjustment of a machined part is realized automatically. And meanwhile, powerful auxiliary supporting is provided through the floating limiting assembly and the double-force air cylinder assembly, shaking and deformation of parts in the machining process are effectively prevented, the overall structure is compact, the installation space is saved, and the device is suitable for various application scenes.

Description

Technical Field

[0001] This utility model relates to the field of automation technology, and in particular to a high-precision, high-power auxiliary support cylinder. Background Technology

[0002] With the rapid development of technology and the continuous improvement of automated production levels, products are gradually moving towards lightweighting and miniaturization. In many processing or automated production scenarios, the processing of light and thin parts is often involved, such as the riveting of thin sheet parts, which requires cylinders to provide auxiliary support force.

[0003] However, existing cylinders cannot quickly support and position parts, affecting processing efficiency. Furthermore, due to insufficient support force, they cannot provide adequate support for easily deformable parts, causing vibration and deformation during processing, impacting machining accuracy and product quality. In addition, existing cylinders are large in size, occupying significant installation space, making them unsuitable for processing scenarios with limited space. Utility Model Content

[0004] The purpose of this invention is to provide a high-precision, high-power auxiliary support cylinder. By setting a floating support rod in conjunction with a floating limit component, it achieves automatic, rapid, and high-precision positioning and adjustment of the machined parts. Simultaneously, the floating limit component and the double-force cylinder assembly provide strong auxiliary support, effectively preventing the parts from shaking and deforming during processing. The overall structure is compact, saves installation space, and is suitable for various application scenarios.

[0005] To achieve the above objectives, the following technical solution is adopted:

[0006] A high-precision, high-power auxiliary support cylinder includes a cylinder barrel with an inner cavity, a double-force cylinder assembly installed in the inner cavity of the cylinder barrel, a floating support rod located at the output end of the double-force cylinder assembly, and a floating limiting assembly located between the floating support rod and the output end of the double-force cylinder assembly. The floating limiting assembly includes a collet movably sleeved on the outer circumference of the floating support rod, and a wedge-shaped structure located between the outer circumference of the collet and the output end of the double-force cylinder assembly. The double-force cylinder assembly is used to drive the collet to tighten or loosen the floating support rod via the wedge-shaped structure.

[0007] Preferably, the output end of the double-force cylinder assembly is provided with a limiting groove that extends through the top; the wedge structure includes a first wedge-shaped surface disposed on the side wall of the limiting groove and a second wedge-shaped surface disposed on the outer circumference of the collet; the first wedge-shaped surface and the second wedge-shaped surface are adapted to each other and are arranged in close contact.

[0008] Preferably, when the double-force cylinder assembly extends, the collet grips the floating support rod; when the double-force cylinder assembly retracts, the collet releases the floating support rod.

[0009] Preferably, an elastic element is provided between the bottom of the floating support rod and the bottom of the limiting groove.

[0010] Preferably, the double-force cylinder assembly includes a first piston assembly and a second piston assembly arranged vertically; both the first piston assembly and the second piston assembly include a piston and a piston rod connected to the piston; the bottom of the piston rod of the first piston assembly is inserted into the top of the piston rod of the second piston assembly.

[0011] Preferably, a partition block is provided in the middle of the inner cavity of the cylinder; the first piston assembly is arranged above the partition block, and the second piston assembly is arranged below the partition block; a first through hole is provided in the middle of the partition block for the piston rods of the first piston assembly and the second piston assembly to be inserted and engaged.

[0012] Preferably, the floating support rod is fitted with a dust cover to prevent foreign objects from entering the cylinder.

[0013] Preferably, the top of the floating support rod is detachably connected to a ball-head support.

[0014] Preferably, the auxiliary support cylinder further includes a front cover located on the top of the cylinder barrel; the front cover has a second through hole for the upper part of the output end of the double force cylinder assembly and the lower part of the collet to extend into; the top of the front cover is detachably connected to a locking sleeve for locking the collet to the front cover.

[0015] Preferably, the bottom of the cylinder is provided with a rear cover; the top of the rear cover is provided with a buffer pad.

[0016] By adopting the above solution, the beneficial effects of this utility model are:

[0017] This invention provides a high-precision, high-power auxiliary support cylinder. By combining a floating support rod with a floating limit assembly, it achieves automatic, rapid, and high-precision positioning and adjustment of the machined parts. Simultaneously, the floating limit assembly and the double-force cylinder assembly provide strong auxiliary support, effectively preventing vibration and deformation of the parts during processing. The overall structure is compact, saving installation space and suitable for various application scenarios. In a preferred embodiment, a dust cover is provided to prevent the cylinder's internal components from being affected by the external environment, thus improving the cylinder's reliability. Attached Figure Description

[0018] Figure 1 This is a perspective view of the present utility model;

[0019] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0020] The following are explanations of the labels in the attached diagram:

[0021] 1—Cylinder barrel, 2—Floating support rod,

[0022] 3—Clip; 4—Wedge structure;

[0023] 5—Elastic element, 6—First piston assembly,

[0024] 7—Second piston assembly, 8—Separator block,

[0025] 9—Dust cover; 10—Ball head support component;

[0026] 11—Front cover, 12—Locking sleeve,

[0027] 13—Back cover, 14—Buffer pad

[0028] A—the extended air vent of the cylinder; B—the retracted air vent of the cylinder. Detailed Implementation

[0029] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0030] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0031] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, 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 utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0032] Reference Figures 1 to 2As shown, this utility model provides a high-precision, high-power auxiliary support cylinder, including a cylinder barrel 1 with an inner cavity, a double-force cylinder assembly installed in the inner cavity of the cylinder barrel 1, a floating support rod 2 located at the output end of the double-force cylinder assembly, and a floating limiting assembly located between the floating support rod 2 and the output end of the double-force cylinder assembly; the floating limiting assembly includes a collet 3 movably sleeved on the outer circumference of the floating support rod 2, and a wedge-shaped structure 4 located between the outer circumference of the collet 3 and the output end of the double-force cylinder assembly; the double-force cylinder assembly is used to drive the collet 3 to tighten or loosen the floating support rod 2 via the wedge-shaped structure 4.

[0033] This utility model provides a high-precision, high-strength auxiliary support cylinder that achieves strong support by relying on a double-force cylinder assembly and a floating limit assembly, preventing vibration and deformation during parts processing.

[0034] The output end of the double-force cylinder assembly has a limiting groove that extends through the top. The wedge structure 4 includes a first wedge-shaped surface on the side wall of the limiting groove and a second wedge-shaped surface on the outer circumference of the collet 3. The first and second wedge-shaped surfaces are adapted to each other and are arranged in close contact. When the double-force cylinder assembly extends, the collet 3 grips the floating support rod 2; when the double-force cylinder assembly retracts, the collet releases the floating support rod 2.

[0035] An elastic element 5 is provided between the bottom of the floating support rod 2 and the bottom of the limiting groove. Specifically, the elastic element 5 is a spring. The elastic element 5 provides an elastic adjustment force for the floating support rod 2. Before air is supplied, under the action of the elastic element 5, the floating support rod 2 can float and adjust its height according to the different positions of the processed parts, automatically completing adaptive adjustment. Then, air is supplied to the cylinder to pressurize it, and the floating limiting assembly forcefully clamps the floating support rod 2 to achieve the purpose of auxiliary positioning and support.

[0036] The double-force cylinder assembly includes a first piston assembly 6 and a second piston assembly 7 arranged vertically. Both the first piston assembly 6 and the second piston assembly 7 include a piston and a piston rod connected to the piston. The bottom of the piston rod of the first piston assembly 6 is inserted into the top of the piston rod of the second piston assembly 7. A limiting groove is formed within the piston rod of the first piston assembly 6. Further, the first wedge-shaped surface is a tapered surface that gradually increases upward within the limiting groove, and the collet 3 is an overall tapered body that gradually decreases downward, thereby forming a second wedge-shaped surface on the outer circumference of the collet 3 that matches the first wedge-shaped surface.

[0037] The cylinder 1 has a partition block 8 in the middle of its inner cavity; the first piston assembly 6 is arranged above the partition block 8, and the second piston assembly 7 is arranged below the partition block 8; the partition block 8 has a first through hole in the middle for the piston rods of the first piston assembly 6 and the second piston assembly 7 to be inserted and engaged.

[0038] A dust cover 9 is fitted onto the floating support rod 2 to prevent foreign objects from entering the cylinder. Furthermore, the dust cover 9 is installed between the ball head support 10 and the locking sleeve 12. The opening of the dust cover 9 surrounds the outer circumference of the locking sleeve 12, but the dust cover 9 is not connected to the locking sleeve 12. The dust cover 9 can float up and down with the floating support rod 2.

[0039] The top of the floating support rod 2 is detachably connected to a ball-head support 10. Specifically, the ball-head support 10 is a ball-head nut. The ball-head nut holds the thin sheet-like parts in place, preventing them from shaking and deforming during processing.

[0040] The auxiliary support cylinder also includes a front cover 11 located on the top of the cylinder barrel 1; the front cover 11 has a second through hole for the upper part of the output end of the double force cylinder assembly and the lower part of the collet 3 to extend into; the top of the front cover 11 is detachably connected to a locking sleeve 12 for locking the collet 3 onto the front cover 11.

[0041] Furthermore, a positioning ring is provided between the front cover 11, the locking sleeve 12, and the collet 3 for mounting and positioning the front cover 11, the locking sleeve 12, and the collet 3. At the same time, the top of the locking sleeve 12 is located above the collet 3, which can effectively prevent the collet 3 from moving upward.

[0042] The bottom of the cylinder 1 is provided with a rear cover 13; the top of the rear cover 13 is provided with a buffer pad 14. By setting the buffer pad 14, the impact force of the double force cylinder assembly is buffered.

[0043] Please continue to refer to Figure 1 When air is supplied to the extended vent A, the piston rods of the first piston assembly 6 and the second piston assembly 7 push upwards, pressing the second wedge surface of the collet 3 through the first wedge surface, causing the collet 3 to hold the floating support rod 2 tightly. When air is supplied to the retracted vent B, the piston rods of the first piston assembly 6 and the second piston assembly 7 move downwards, releasing the pressure on the collet 3, causing the collet 3 to release the floating support rod 2. At this time, the floating support rod 2 can float up and down by 7mm with a very small force (less than 8N).

[0044] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model. Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the utility model and are not intended to limit the implementation of this utility model. For those skilled in the art, various obvious changes, readjustments, and substitutions can be made without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A high-precision power-assisted support cylinder, characterized by, The auxiliary supporting cylinder comprises a cylinder barrel provided with an inner cavity, a double force cylinder assembly installed in the inner cavity of the cylinder barrel, a floating support rod arranged at an output end of the double force cylinder assembly, and a floating limiting assembly arranged between the floating support rod and the output end of the double force cylinder assembly.

2. The high precision power assist support cylinder according to claim 1, characterized by, The output end of the double force cylinder assembly is provided with a limiting groove penetrating a top portion.

3. The high precision power assist support cylinder of claim 2, wherein, When the double force cylinder assembly extends, the collet clamps the floating support rod.

4. The high precision power assist support cylinder of claim 2, wherein, The bottom portion of the floating support rod and the bottom portion of the limiting groove are provided with an elastic member.

5. The high precision power assist support cylinder of claim 1, wherein, The double force cylinder assembly comprises a first piston assembly and a second piston assembly arranged in an up-down manner.

6. The high precision power assist support cylinder of claim 5, wherein, The inner cavity of the cylinder barrel is provided with a partition block in a middle portion.

7. The high precision power assist support cylinder of claim 1, wherein, The floating support rod is provided with a dustproof cover.

8. The high precision power assist support cylinder of claim 1, wherein, The top portion of the floating support rod is detachably connected with a ball head support.

9. The high precision power assist support cylinder of claim 1, wherein, The auxiliary supporting cylinder further comprises a front cover arranged at the top portion of the cylinder barrel.

10. The high precision power assist support cylinder of claim 1, wherein, The top portion of the front cover is detachably connected with a locking sleeve for locking the collet on the front cover.

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