Power cylinder with better space accessibility

By improving the installation method of the power cylinder and utilizing the design of the replacement components, the problem of interference between the power cylinder and the workpiece was solved, enabling flexible adjustment and stable connection of the power cylinder position, thus improving the accessibility of riveting simulation and the friendliness of robot operation.

CN224214491UActive Publication Date: 2026-05-08SHANGHAI GRIPP INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI GRIPP INTELLIGENT TECHNOLOGY CO LTD
Filing Date
2025-05-26
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

In the automotive riveting simulation process, interference between the power cylinder and the workpiece results in a large workload for avoiding interference in the riveting simulation. Furthermore, the power cylinder, as a core component, cannot be changed, leading to unstable connections.

Method used

A power cylinder with better spatial accessibility was designed. By changing the installation method of the power cylinder through the replacement of components, the position adjustment and fixation of the power cylinder can be achieved by using a combination of threaded cover, insert plate, base and threaded groove, so as to avoid interference.

Benefits of technology

The improved installation method simplifies the adjustment of the power cylinder position, avoids interference, improves accessibility, and lowers the center of gravity, making the robot payload more user-friendly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a power cylinder with better space reachability, which comprises a power cylinder and further comprises a reloading assembly, the reloading assembly comprises a threaded cover installed on one side of the power cylinder in a butt joint mode, and an inserting plate is fixedly installed on one side of the threaded cover; a threaded groove is formed in one side of the inserting plate, a base is slidably mounted on the outer side of the inserting plate in a sleeving mode, and a front mounting groove and a rear mounting groove are formed in the front side and the rear side of the base correspondingly; the front installation groove and the threaded groove are installed correspondingly, and a screw and a nut are installed in the front installation groove and the threaded groove. According to the replacement assembly, for the problem of large workload of riveting simulation avoiding interference, the position of a threaded groove in an insertion plate in a front mounting groove or a rear mounting groove can be changed through sliding, and then the locking and fixing effects are achieved through a stud and a nut. The action position of the power cylinder can be simply changed through the operation, and interference is avoided; in a default state, the gravity center of the whole cylinder is lower, the robot payload is more friendly, reverse installation is achieved during interference, and reachability can be improved.
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Description

Technical Field

[0001] This utility model relates to the field of riveting power cylinder technology, and in particular to a power cylinder with better spatial accessibility. Background Technology

[0002] Automotive riveted power cylinders are key components that use riveting technology to firmly connect the cylinder body to the cylinder bottom or other parts. In automobile manufacturing, the power cylinder, as an actuator that converts hydraulic or pneumatic energy into mechanical energy, makes the connection method between its cylinder body and cylinder bottom crucial. Riveting technology is widely used in power cylinder connections due to its advantages such as strong connection, simple structure, and light weight. By pressing rivets into multiple layers of sheet metal under certain pressure and speed, the sheet metal and rivets undergo plastic deformation under the pressure of the rivets, causing the rivet legs to open and forming a stable interlocking connection between the rivet and the sheet metal. This cold connection technology ensures the stability and reliability of the power cylinder under high-pressure and high-speed operating environments. Simultaneously, riveting technology also has good corrosion resistance and fatigue resistance, enabling it to adapt to various harsh working environments and extending the service life of the power cylinder.

[0003] Chinese invention patent application CN215467600U discloses a nut riveting mechanism. This patent includes a frame mounted on a support base. A workpiece upper positioning device is installed at the top front end of the frame. Below the workpiece upper positioning device is a riveting device, which includes a riveting fixture, outer wedges, inner wedges, an outer sleeve, an inner wedge positioning sleeve, and a riveting power cylinder. Six outer wedges are fixed to the inner wall of the outer sleeve and connected to the telescopic end of the riveting power cylinder. The bottom of the riveting power cylinder is fixed to the support base. The inner wedges are fitted to the outer wedges via inclined surfaces, and the lower part of the inner wedges is fixed by the inner wedge positioning sleeve. The riveting fixture is fixed to the top of the outer wedges. This invention utilizes a six-point riveting method, allowing the six riveting points to move simultaneously with a certain precision control. This ensures uniform and controllable force during the riveting process, providing sufficient mechanical strength to prevent nut loosening, while effectively reducing the generation of iron filings.

[0004] In existing technologies, interference sometimes occurs between the power cylinder and the workpiece during automotive riveting simulation. Generally speaking, the power cylinder, as a core component, cannot be modified, resulting in a large workload for avoiding interference in riveting simulation. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a power cylinder with better spatial accessibility.

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

[0007] A power cylinder with better spatial accessibility, comprising the power cylinder and also including:

[0008] The replacement assembly includes a threaded cover that is mounted on one side of the power cylinder, and a plug plate is fixedly mounted on one side of the threaded cover;

[0009] A threaded groove is provided on one side of the insert plate, and a base is slidably mounted on the outer side of the insert plate. The base is provided with a front mounting groove and a rear mounting groove on the front and rear sides respectively.

[0010] The front mounting slot and the threaded slot are installed in a corresponding manner, and the screw and nut are installed inside the front mounting slot and the threaded slot.

[0011] A further technical solution involves providing external threads at the corresponding locations of the power cylinder and the threaded cover, while providing internal threads inside the threaded cover.

[0012] A further technical solution involves providing an mounting surface around the threaded cap, with screws mounted on the mating surface of the mounting surface.

[0013] A further technical solution involves a double-layered base, with a front mounting groove and a rear mounting groove running through the interior of the base.

[0014] A further technical solution involves fixing an outer frame around the base, attaching a suspension to one side of the outer frame, and installing bolts inside the suspension.

[0015] Further technical solutions also include:

[0016] The cylinder block assembly includes an oil inlet pipe and an oil outlet pipe located on the side of the power cylinder, and a push rod is provided at the output end of the power cylinder.

[0017] A further technical solution involves connecting an external servo hydraulic oil inlet / outlet control device to the inlet and outlet oil pipes.

[0018] Compared with the prior art, this utility model provides a power cylinder with better spatial accessibility, and has the following beneficial effects:

[0019] The main improvement made to the installation method of the power cylinder was achieved through the design of the replacement components. To address the issue of excessive workload in riveting simulation to avoid interference, we can slide and change the position of the threaded groove on the insert plate within the front or rear mounting slot, and then achieve a locking and fixing effect using studs and nuts. This operation allows for easy modification of the power cylinder's operating position, avoiding interference.

[0020] The modular design of the power cylinder base allows for installation in both directions. By default, the center of gravity of the entire cylinder is lower, making it more compatible with the robot's payload. In case of interference, reverse installation can be selected to improve accessibility. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of a power cylinder with better spatial accessibility proposed in this utility model;

[0022] Figure 2 This is a structural diagram illustrating the disassembly of a power cylinder, which provides better spatial accessibility according to this utility model.

[0023] Figure 3 This is a schematic diagram of a power cylinder replacement structure with better spatial accessibility proposed in this utility model;

[0024] Figure 4 This is a top view structural schematic diagram of a power cylinder with better spatial accessibility proposed in this utility model.

[0025] In the diagram: 1. Power cylinder; 2. Replacement assembly; 3. Cylinder block assembly; 4. Threaded cap; 5. Internal thread; 6. Mounting plane; 7. Screw; 8. Insert plate; 9. Threaded groove; 10. Base; 11. Front mounting slot; 12. Rear mounting slot; 13. Screw; 14. Nut; 15. Outer frame; 16. Suspension; 17. Bolt; 18. Oil inlet pipe; 19. Oil outlet pipe; 20. Push rod. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0027] Example 1: Refer to Figure 1 - Figure 4 A power cylinder with better spatial accessibility includes a power cylinder 1, which is the power output component of this device. It also includes:

[0028] Replacement assembly 2 includes a threaded cover 4 that is mated and installed on one side of the power cylinder 1. The threaded cover 4 is locked onto one side of the power cylinder 1. A insert plate 8 is fixedly installed on one side of the threaded cover 4.

[0029] The insert plate 8 has a threaded groove 9 on one side, which can correspond to the front mounting groove 11 or the rear mounting groove 12 respectively, thereby achieving the effect of anti-interference position adjustment. The base 10 is slidably mounted on the outer side of the insert plate 8, and the base 10 has a front mounting groove 11 and a rear mounting groove 12 on its front and rear sides respectively.

[0030] The front mounting groove 11 is installed in correspondence with the threaded groove 9. The front mounting groove 11 and the threaded groove 9 are equipped with screws 13 and nuts 14. Screws 13 and nuts 14 are components that fix the insert plate 8 to the base 10.

[0031] The aforementioned power cylinder with better spatial accessibility has external threads on the corresponding parts of the power cylinder 1 and the threaded cover 4, and internal threads 5 are provided inside the threaded cover 4, which are threadedly connected and fixed to each other.

[0032] In the aforementioned power cylinder with improved spatial accessibility, the threaded cover 4 has a mounting surface 6 around its periphery. The mounting surface is used to fix the threaded cover 4 to the surface of the power cylinder 1 using screws 7. Screws 7 are installed on the surface of the mounting surface 6.

[0033] The aforementioned power cylinder with better spatial accessibility has a base 10 that is a double-layer structure. The front mounting groove 11 and the rear mounting groove 12 are disposed inside the base 10, so that the threaded groove 9 can be installed at the corresponding positions of the front mounting groove 11 or the rear mounting groove 12.

[0034] The aforementioned power cylinder with improved spatial accessibility includes an outer frame 15 fixedly installed around the periphery of the base 10 for enclosing the main body of the base 10; a suspension 16 is connected to one side of the outer frame 15, and the suspension 16 and bolts 17 are used to mount the main body of the device on the frame. Bolts 17 are installed inside the suspension 16.

[0035] The aforementioned power cylinder with improved spatial accessibility further includes:

[0036] The cylinder assembly 3 includes an oil inlet pipe 18 and an oil outlet pipe 19 disposed on the side of the power cylinder 1. The oil inlet pipe 18 and the oil outlet pipe 19 achieve the motion control effect of the power cylinder 1. The output end of the power cylinder 1 is provided with a push rod 20, which is the part that directly outputs power.

[0037] The aforementioned power cylinder with better spatial accessibility has an external servo hydraulic oil inlet / outlet control device connected to the oil inlet pipe 18 and oil outlet pipe 19, which is used to achieve the effect of servo automatic control of this device.

[0038] Working principle:

[0039] In the actual design process, this utility model addresses the following defects in the prior art: "In the prior art, during automotive riveting simulation, interference sometimes occurs between the power cylinder and the workpiece. Generally speaking, the power cylinder, as a core component, cannot be modified, resulting in a large workload for avoiding interference in riveting simulation." Therefore, a replacement component 2 is specifically proposed.

[0040] The main change in replacement component 2 is the installation method of the power cylinder base. The threaded cover 4 is installed by connecting its internal thread 5 to the external thread on the power cylinder 1. To ensure the stability of the connection, screws 7 are also used to fix it in place on the mounting surface 6.

[0041] By changing the threaded grooves 9 on the insert plate 8 to correspond with either the front mounting groove 11 or the rear mounting groove 12, the bottom power cylinder 1 can be installed in different positions, thus achieving an interference-free installation effect. Fixing is achieved by installing screws 13 and nuts 14 inside the slots; finally, the device is fixed to the frame using nuts 17 on the suspension 16. The motor mount features a modular design, allowing for both forward and reverse installation. By default, the cylinder's center of gravity is lower, making it more suitable for the robot's payload. In case of interference, reverse installation can be selected to improve accessibility.

[0042] This invention improves the installation method of the power cylinder through its interchangeable components. Addressing the issue of excessive workload in riveting simulations to avoid interference, the position of the threaded groove on the insert plate can be changed between the front and rear mounting slots, and then secured with studs and nuts. This allows for easy repositioning of the power cylinder, preventing interference. The modular design of the power cylinder base allows for both forward and reverse installation. In its default state, the cylinder's center of gravity is lower, making it more suitable for the robot's payload. In case of interference, reverse installation can be selected to improve accessibility.

[0043] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. The above description is merely a preferred embodiment of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A power cylinder with better spatial accessibility, comprising a power cylinder (1), characterized in that, Also includes: Replacement assembly (2), the replacement assembly (2) includes a threaded cover (4) which is mated and installed on one side of the power cylinder (1), and a plug plate (8) is fixedly installed on one side of the threaded cover (4); A threaded groove (9) is provided on one side of the insert plate (8), and a base (10) is slidably mounted on the outer side of the insert plate (8). A front mounting groove (11) and a rear mounting groove (12) are provided on the front and rear sides of the base (10) respectively. The front mounting groove (11) is installed in correspondence with the threaded groove (9), and the screw (13) and nut (14) are installed inside the front mounting groove (11) and the threaded groove (9).

2. The power cylinder with better spatial accessibility according to claim 1, characterized in that, The power cylinder (1) and the threaded cover (4) are provided with external threads at corresponding positions, and the threaded cover (4) is provided with internal threads (5).

3. A power cylinder with better spatial accessibility according to claim 1, characterized in that, The threaded cap (4) has a mounting surface (6) around its periphery, and screws (7) are mounted on the surface of the mounting surface (6).

4. A power cylinder with better spatial accessibility according to claim 1, characterized in that, The base (10) is a double-layer structure, and the front mounting groove (11) and the rear mounting groove (12) are disposed inside the base (10).

5. A power cylinder with better spatial accessibility according to claim 4, characterized in that, An outer frame (15) is fixedly installed around the base (10), and a suspension (16) is installed on one side of the outer frame (15). Bolts (17) are installed inside the suspension (16).

6. A power cylinder with improved spatial accessibility according to claim 1, characterized in that, Also includes: The cylinder assembly (3) includes an oil inlet pipe (18) and an oil outlet pipe (19) disposed on the side of the power cylinder (1), and the output end of the power cylinder (1) is provided with a push rod (20).

7. A power cylinder with better spatial accessibility according to claim 6, characterized in that, The oil inlet pipe (18) and oil outlet pipe (19) are connected to a servo hydraulic oil inlet and outlet control device.

Citation Information

Patent Citations

  • Nut riveting mechanism

    CN215467600U