Tool for disassembling pin and bearing

Abstract

The utility model discloses a tool for disassembling a pin and a bearing, which comprises a base (1), an ejector pin (2) and a ring pad (3), one end of the ejector pin (2) is in threaded connection with the base (1), and the ring pad (3) is sleeved on the ejector pin (2). According to the utility model, the pin and the bearing can be disassembled in a narrow space, and the maintenance efficiency of equipment is effectively improved.

Description

Technical Field

[0001] This utility model relates to a disassembly tool, and more particularly to a tool for disassembling pins and bearings. Background Technology

[0002] The ZB416 / X6 high-speed packaging machine is a flip-top hard box packaging machine. The cigarette packs use linkage mechanisms for handover and folding actions, which are frequent and require high working capacity from the pins and bearings. In addition, the pins and bearings of the transmission parts and linkage mechanisms of this machine need to be replaced frequently, and many of these parts are located inside the machine, close to the machine wall, where space is limited. Common methods of removing pins and bearings, such as striking or pulling, cannot be used.

[0003] Each replacement of pins and bearings requires the disassembly of a large number of surrounding parts, which is time-consuming and labor-intensive, and seriously affects maintenance efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a tooling for disassembling pins and bearings to solve the technical problems in the prior art. It can disassemble pins and bearings in a confined space, effectively improving the maintenance efficiency of the equipment.

[0005] This utility model provides a tooling for disassembling pins and bearings, including a base, a pin, and a ring washer. One end of the pin is threaded to the base, and the ring washer is sleeved on the pin.

[0006] In the aforementioned tooling for disassembling pins and bearings, preferably, the base is a cylindrical structure, and two opening slots are provided on the side wall of the base, the two opening slots being arranged symmetrically with respect to the axis of the base.

[0007] In the aforementioned tooling for disassembling pins and bearings, preferably, the base has a threaded through hole along the axial direction, and the threaded through hole is coaxial with the base.

[0008] In the aforementioned tooling for disassembling pins and bearings, preferably, the ejector pin includes a stud section, a first wrench connecting section, a limiting section and an ejector rod section connected in sequence, and the stud section is threadedly connected to the threaded through hole.

[0009] In the aforementioned tooling for disassembling pins and bearings, preferably, the cross-sectional shape of the first wrench connecting section is a regular hexagon, and the circumcircle diameter of the cross-sectional shape of the first wrench connecting section is equal to the diameter of the stud section.

[0010] In the aforementioned tooling for disassembling pins and bearings, preferably, the cross-sectional shape of the limiting section is circular, and the diameter of the limiting section is equal to the diameter of the stud section.

[0011] In the aforementioned tooling for disassembling pins and bearings, preferably, the diameter of the push rod section is smaller than the diameter of the pin, and the end of the push rod section has a tapered end.

[0012] Preferably, the aforementioned tooling for disassembling pins and bearings further includes a connecting column, the outer wall of which has threads, and a second wrench connecting section is formed at the middle position of the connecting column, the cross-sectional shape of which is a regular hexagon.

[0013] Compared with existing technologies, this utility model includes a base, a ejector pin, and a ring washer. One end of the ejector pin is threaded to the base, and the ring washer is fitted onto the ejector pin. This utility model is small in size and simple in structure. In use, the base is abutted against the wall panel, the ejector pin is aligned with the pin to be disassembled, one wrench is used to fix the base, and another wrench is used to rotate the ejector pin. The ejector pin rotates off the base and pushes the pin out, gradually removing the pin. The operation method is the same when disassembling the bearing; simply install the ring washer onto the ejector pin. This utility model is easy to operate, enabling the disassembly of pins and bearings in confined spaces, thus improving maintenance efficiency. Attached Figure Description

[0014] Figure 1 This is an isometric view of Embodiment 1 of this utility model;

[0015] Figure 2 This is an isometric view of the base;

[0016] Figure 3 It is an isometric view of the ejector pin and the ring washer;

[0017] Figure 4 It is an isometric view of the connecting column;

[0018] Figure 5 This is an isometric view of Embodiment 2 of this utility model.

[0019] Explanation of reference numerals in the attached drawings: 1. Base; 2. Ejector pin; 3. Ring washer; 4. Opening groove; 5. Threaded through hole; 7. Stud section; 8. First wrench connecting section; 9. Limiting section; 10. Ejector rod section; 11. Conical end; 12. Connecting post; 13. Second wrench connecting section. Detailed Implementation

[0020] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0021] Embodiment 1 of this utility model: As shown Figures 1-3As shown, a tooling for disassembling pins and bearings includes a base 1, a pin 2, and a ring washer 3. One end of the pin 2 is threadedly connected to the base 1, and the ring washer 3 is sleeved on the pin 2.

[0022] When using this tool to remove the pin, first remove the ring washer 3 from the ejector pin 2, then abut the base 1 against the wall panel, and use a wrench to fix the base 1. Then use another wrench to rotate the ejector pin 2, and the ejector pin 2 will slowly push out the pin. When removing the bearing, simply install the ring washer 3 onto the ejector pin 2 and remove the bearing according to the aforementioned method.

[0023] This tooling has a simple structure and small size, and can be placed in a confined space. It can disassemble pins and bearings without hammering or pulling, thus improving maintenance efficiency.

[0024] In this embodiment, the base 1 is a cylindrical structure, and two opening slots 4 are provided on the side wall of the base 1. The two opening slots 4 are arranged symmetrically with respect to the axis of the base 1.

[0025] By setting two opening slots 4, a wrench can be used to lock the opening slots 4 to restrict the rotation of the base 1.

[0026] A threaded through hole 5 is provided on the base 1 along the axial direction, and the threaded through hole 5 is coaxial with the base 1. The threaded through hole 5 is used to install the ejector pin 2.

[0027] The ejector pin 2 includes a stud section 7, a first wrench connecting section 8, a limiting section 9, and an ejector rod section 10 connected in sequence. The stud section 7 is threadedly connected to the threaded through hole 5.

[0028] Before use, the stud section 7 should be fully screwed into the threaded through hole 5. This reduces the total length of the ejector pin 2 and the base 1, making it easier to fit into confined spaces. The length of the stud section 7 should be less than the length of the threaded through hole 5.

[0029] The cross-sectional shape of the first wrench connecting section 8 is a regular hexagon, and the circumscribed circle diameter of the first wrench connecting section 8 is equal to the diameter of the stud section 7. The first wrench connecting section 8 is used to connect with the wrench, allowing the wrench to engage with and rotate the first wrench connecting section 8. Since the circumscribed circle diameter of the first wrench connecting section 8 is equal to the diameter of the stud section 7, the stud section 7 can axially limit the wrench and prevent it from slipping.

[0030] The limiting section 9 has a circular cross-sectional shape, and its diameter is equal to that of the stud section 7. The limiting section 9, in conjunction with the stud section 7, limits the wrench on both sides, preventing it from sliding axially. The limiting section 9 also limits the ring washer 3.

[0031] The diameter of the push rod section 10 is smaller than the diameter of the pin, and the end of the push rod section 10 has a tapered end 11. The main function of the push rod section 10 is to remove the pin, so its diameter should be slightly smaller than the diameter of the pin to be removed. In order to ensure the structural strength of the push rod section 10 and prevent it from breaking, it is preferable that the diameter of the push rod section 10 is 1mm-2mm smaller than the diameter of the pin to be removed.

[0032] The tapered end 11 is designed to guide the push rod section 10 into the pin hole, preventing the push rod section 10 from failing to enter the pin hole smoothly due to the inability to fully align it with the pin.

[0033] The working principle of this utility model is as follows: When disassembling the pin, two wrenches are required. For ease of description, the two wrenches are referred to as the first wrench and the second wrench, respectively. Both the first wrench and the second wrench are commercially available products and belong to existing technology, which can be purchased directly. First, adjust the position of the ejector pin 2 according to the space size. Rotate the ejector pin 2 so that the total length of the base 1 after connecting the ejector pin 2 is slightly less than the distance between the packaging machine wall panel and the pin. Place the base 1 against the packaging machine wall panel and adjust the position of the base 1 so that the ejector pin 2 is aligned with the pin. Engage the second wrench with the slot 4 on the base 1. Use the second wrench to restrict the position of the base 1 and prevent it from rotating. Engage the first wrench with the connecting section 8 of the first wrench and rotate the connecting section 8 of the first wrench to rotate the stud section 7 outward. Use the push rod section 10 and the conical end 11 to push the pin out of the pin hole.

[0034] When disassembling the bearing, the ring washer 3 must first be fitted onto the push rod section 10. The ring washer 3 is used to push the side of the bearing. The disassembly method is the same as the disassembly method of the pin. The outer diameter of the ring washer 3 is available in various sizes. When disassembling bearings with different outer diameter sizes, the appropriate outer diameter ring washer 3 should be selected.

[0035] Embodiment 2 of this utility model: Please refer to Figure 4 and Figure 5 If the distance between the packaging machine wall panel and the pin or bearing is greater than the sum of the total lengths of the base 1 and the ejector pin 2, two or more bases 1 are required, and the bases 1 are connected by connecting columns 12.

[0036] The outer wall of the connecting post 12 has threads, and a second wrench connecting section 13 is formed in the middle of the connecting post 12. The cross-sectional shape of the second wrench connecting section 13 is a regular hexagon.

[0037] The connecting post 12 is used to connect to the threaded through hole 5 on the base 1. The connecting post 12 is used to connect to the base 1, thereby increasing the total length to make up for the problem of insufficient length.

[0038] The above description, based on the embodiments shown in the drawings, details the structure, features, and effects of this utility model. The above description is only a preferred embodiment of this utility model, but the scope of implementation of this utility model is not limited to what is shown in the drawings. Any changes made in accordance with the concept of this utility model, or modifications to equivalent embodiments, that do not exceed the spirit covered by the specification and drawings, shall be within the protection scope of this utility model.

Claims

1. A tooling for disassembling pins and bearings, comprising a base (1), characterized in that: It also includes a ejector pin (2) and a ring washer (3), one end of which is threaded to the base (1), and the ring washer (3) is sleeved on the ejector pin (2).

2. The tooling for disassembling pins and bearings according to claim 1, characterized in that: The base (1) is a cylindrical structure, and two opening slots (4) are opened on the side wall of the base (1). The two opening slots (4) are arranged symmetrically with respect to the axis of the base (1).

3. The tooling for disassembling pins and bearings according to claim 2, characterized in that: The base (1) has a threaded through hole (5) along the axial direction, and the threaded through hole (5) is coaxial with the base (1).

4. The tooling for disassembling pins and bearings according to claim 3, characterized in that: The ejector pin (2) includes a stud section (7), a first wrench connecting section (8), a limiting section (9) and an ejector rod section (10) connected in sequence. The stud section (7) is threadedly connected to the threaded through hole (5).

5. The tooling for disassembling pins and bearings according to claim 4, characterized in that: The cross-sectional shape of the first wrench connecting section (8) is a regular hexagon, and the diameter of the circumscribed circle of the cross-sectional shape of the first wrench connecting section (8) is equal to the diameter of the stud section (7).

6. The tooling for disassembling pins and bearings according to claim 5, characterized in that: The cross-sectional shape of the limiting segment (9) is circular, and the diameter of the limiting segment (9) is equal to the diameter of the stud segment (7).

7. The tooling for disassembling pins and bearings according to claim 6, characterized in that: The diameter of the push rod section (10) is smaller than the diameter of the pin, and the end of the push rod section (10) has a tapered end (11).

8. The tooling for disassembling pins and bearings according to claim 7, characterized in that: It also includes a connecting post (12), the outer wall of which has threads, and a second wrench connecting section (13) is formed in the middle of the connecting post (12), the cross-sectional shape of which is a regular hexagon.

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