RKM filter upper cover punching tool

By designing the upper cover drilling tooling for the RKM filter and using components such as fixed seats and limit blocks, the problem of machining difficulty of the upper cover hole is solved, and the precise control of the hole diameter and the convenience of machining is achieved.

CN222944981UActive Publication Date: 2025-06-06HYDAC TECH SHANGHAI LTD
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Patent Information

Application Number
CN202421883815.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-05
Publication Date
2025-06-06
Estimated Expiration
2034-08-05

AI Technical Summary

Technical Problem

The hole processing of the upper cover of the existing RKM filter is difficult, especially because the upper cover surface is curved and the holes need to be tilted, resulting in manual hole drilling that cannot ensure that the hole diameter meets the requirements of the drawing.

Method used

A RKM filter upper cover drilling tool is designed, including fixed seats, limit plates, limit rods, limit blocks and other components. An inclined processing surface is provided on the fixed seat to match the holes on the upper cover body, and the stability and processing accuracy of the upper cover are ensured through limit blocks and buffer pads.

Benefits of technology

By prefabricating a fixed seat with an angle, the upper cover is in a horizontal state during processing, and the drill bit can be directly perpendicularly, improving the convenience and accuracy of processing; at the same time, the design of the limit block during disassembly and assembly makes replacement more convenient.

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Abstract

The utility model relates to the technical field of filter machining assistance, and particularly discloses an RKM filter upper cover punching tool which comprises an upper cover body, a fixing base, a limiting plate, a limiting rod and a limiting block. The inclination angle of the machining face is matched with the inclination angle of a machining hole in the upper cover body. A positioning groove is formed in the machining face, and the upper cover body is arranged in the positioning groove in a matched mode. The limiting plate is arranged to be a strip-shaped plate, one end of the limiting plate is rotationally connected with the side face of the fixing base, the other end of the limiting plate is connected with the limiting rod, a limiting block is arranged at the end of the limiting rod, and the limiting block abuts against the upper cover body. When the punching tool is used, the angle of a machining center table board does not need to be adjusted, the drill bit directly and vertically punches holes, and machining is convenient; during disassembly and assembly, only the side edge limiting blocks need to be overturned outwards, and replacement is convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of filter processing assistance, in particular to a RKM filter upper cover punching tool. Background Art

[0002] RKM filter is a filter specially used for oil filtration in hydraulic system. The unique design of this filter is that it can handle both open and closed circuit hydraulic systems, which is especially important for the mobile machinery industry. RKM filter is not just a simple filtering device, it is also a return oil and suction oil combination filter, providing full flow filtration function, which means that all fluids passing through the system can be filtered.

[0003] There is a hole on the upper cover of the existing RKM filter that has a special processing requirement. Since the surface of the upper cover is usually set as an arc surface, and the hole needs to be processed and tilted, it brings difficulty to the processing; if the hole is punched manually, it cannot be guaranteed that the size of the hole meets the requirements of the drawing. Utility Model Content

[0004] The purpose of the utility model is to provide a RKM filter upper cover punching tool to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an RKM filter upper cover punching tool, comprising an upper cover body, a fixing seat, a limit plate, a limit rod, and a limit block, wherein the fixing seat as a whole is a right-angled trapezoidal block structure, and an inclined processing surface is arranged on the upper surface of the fixing seat, and the inclination angle of the processing surface matches the inclination angle of the processing hole on the upper cover body; a positioning groove is arranged on the processing surface, and the upper cover body is cooperatively arranged in the positioning groove; the limit plate is arranged as a strip plate, one end of the limit plate is rotatably connected to the side surface of the fixing seat, and the other end of the limit plate is connected to the limit rod, and a limit block is arranged at the end of the limit rod, and the limit block and the side surface of the protruding part on the upper part of the upper cover body are pressed against each other.

[0006] Preferably, one end of the limiting plate is connected to the fixing seat via a locking nut, and the other end is provided with a connecting nut, and the limiting rod is connected to the connecting nut via a threaded structure.

[0007] Preferably, the positioning groove is configured as a circular groove, and a plurality of fixing holes are provided on the processing surface around the positioning groove, and fixing screws are installed in the fixing holes; a hook is correspondingly provided on the side of the upper cover body, and the side of the hook is opened, and the hook fits on the fixing screw.

[0008] Preferably, an adjustment opening is provided on one side of the positioning groove, and the cross section of the adjustment opening is set to be square.

[0009] Preferably, a buffer pad is provided on the limit block, and the buffer pad is made of rubber material.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the punching tool provided by the utility model prefabricates an angled fixing seat so that the processing part of the upper cover is in a horizontal state after being placed, so that during processing, the drill bit can directly punch holes vertically, which is convenient for processing; when disassembling and assembling, only the side limit blocks need to be flipped outwards, which is convenient for replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 It is a top view of the utility model;

[0013] Figure 3 This is a schematic diagram of the fixing seat structure of the utility model;

[0014] Numbers in the figure: 1. Upper cover body; 2. Fixed seat; 3. Limit plate; 4. Connecting nut; 5. Limit rod; 6. Limit block; 7. Locking nut; 8. Fixing screw; 9. Hook; 10. Processing hole; 11. Processing surface; 12. Positioning groove; 13. Adjustment port; 14. Fixing hole. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0017] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0018] See also Figure 1-3 The utility model provides a technical solution: an RKM filter upper cover punching tool, comprising an upper cover body 1, a fixing seat 2, a limiting plate 3, a limiting rod 5, and a limiting block 6. The fixing seat 2 is an overall right-angle trapezoidal block structure, and an inclined processing surface 11 is arranged on the upper surface of the fixing seat 2, and the inclination angle of the processing surface 11 matches the inclination angle of the processing hole 10 on the upper cover body 1; a positioning groove 12 is arranged on the processing surface 11, and the upper cover body 1 is cooperatively arranged in the positioning groove 12; the limiting plate 3 is arranged as a strip plate, one end of the limiting plate 3 is rotatably connected to the side of the fixing seat 2, and the other end of the limiting plate 3 is connected to the limiting rod 5, and a limiting block 6 is arranged at the end of the limiting rod 5, and the limiting block 6 and the side of the protruding part of the upper part of the upper cover body 1 are mutually abutted.

[0019] Furthermore, one end of the limiting plate 3 is connected to the fixing seat 2 via a locking nut 7, and the other end is provided with a connecting nut 4, and the limiting rod 5 is connected to the connecting nut 4 via a threaded structure.

[0020] Furthermore, the positioning groove 12 is configured as a circular groove, and a plurality of fixing holes 14 are provided on the processing surface 11 around the positioning groove 12, and fixing screws 8 are installed in the fixing holes 14; a hook 9 is correspondingly provided on the side of the upper cover body 1, and the hook 9 has an opening on the side, and the hook 9 cooperates and is clamped on the fixing screw 8.

[0021] Furthermore, an adjustment opening 13 is provided on one side of the positioning groove 12 , and the cross section of the adjustment opening 13 is set to be square.

[0022] Furthermore, a buffer pad is provided on the limiting block 6, and the buffer pad is made of rubber material.

[0023] Working principle: In actual use, the fixed seat 2 is connected to the machining center table, and an inclined machining surface 11 is machined on the fixed seat 2 through a milling process, so that after the upper cover body 1 is placed on the machining surface 11, the position of the machining hole 10 remains perpendicular to the horizontal plane, so that the drill bit can directly drill vertically during machining, which is convenient for machining.

[0024] The limit plate 3 is connected to the fixing seat 2 through a locking nut 7. Tightening or loosening the locking nut 7 can achieve the tightening and loosening of the limit plate 3, so as to facilitate the adjustment of the position of the limit plate 3. The other end of the limit plate 3 is connected to the limit rod 5 through the connecting nut 4. The limit rod 5 is pressed against the side of the protruding part of the upper cover body 1 through the limit block 6 to achieve a clamping effect.

[0025] The upper cover body 1 can be stuck in the positioning groove 12, and rotated in the positioning groove 12 to adjust the state, and is stuck on the fixing screw 8 through the side hook 9, and then supported by the limit block 6, so as to ensure the stability of the upper cover body 1 and ensure the processing effect. The setting of the adjustment port 13 can provide space for the external structure of the upper cover body 1 when rotating.

[0026] During disassembly, the locking nut 7 is loosened, and the limiting plate 3 is removed so that the limiting block 6 leaves the upper cover body 1 , and then the upper cover body 1 is rotated to disengage the hook 9 from the fixing screw 8 .

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. RKM filter cover punching tool, characterized by: The invention comprises an upper cover body (1), a fixing seat (2), a limiting plate (3), a limiting rod (5), and a limiting block (6); the fixing seat (2) is in a right-angle trapezoidal block structure as a whole; an inclined processing surface (11) is arranged on the upper surface of the fixing seat (2); the inclination angle of the processing surface (11) matches the inclination angle of the processing hole (10) on the upper cover body (1); a positioning groove (12) is arranged on the processing surface (11), and the upper cover body (1) is arranged in the positioning groove (12); the limiting plate (3) is arranged as a strip plate, one end of the limiting plate (3) is rotatably connected to the side of the fixing seat (2), and the other end of the limiting plate (3) is connected to the limiting rod (5); a limiting block (6) is arranged at the end of the limiting rod (5), and the limiting block (6) and the side of the protruding part of the upper part of the upper cover body (1) are mutually abutted.

2. The RKM filter cover punching tool according to claim 1, characterized in that: One end of the limit plate (3) is connected to the fixing seat (2) via a locking nut (7), and the other end is provided with a connecting nut (4); the limit rod (5) is connected to the connecting nut (4) via a threaded structure.

3. The RKM filter cover punching tool according to claim 1, characterized in that: The positioning groove (12) is configured as a circular groove, and a plurality of groups of fixing holes (14) are configured on a processing surface (11) around the positioning groove (12), and fixing screws (8) are installed in the fixing holes (14); a hook (9) is correspondingly configured on the side of the upper cover body (1), and the hook (9) has an opening on the side, and the hook (9) is engaged with the fixing screw (8).

4. The RKM filter cover punching tool according to claim 1, characterized in that: An adjustment opening (13) is provided on one side of the positioning groove (12), and the cross section of the adjustment opening (13) is arranged to be square.

5. The RKM filter cover punching tool according to claim 1, characterized in that: The limit block (6) is provided with a buffer pad, and the buffer pad is made of rubber material.