Auxiliary tool for copper bush installation
By designing auxiliary tooling for copper bushing installation and utilizing the limiting structure of the shaft and bushing, the problem of controlling the pressing depth of the copper bushing was solved, thus achieving precise installation and efficient production of the copper bushing.
Patent Information
- Application Number
- CN202520072713.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-13
AI Technical Summary
In existing technologies, the insertion depth of copper bushings cannot be effectively controlled during installation, resulting in poor sealing or inability to assemble properly, leading to low production efficiency and high labor costs.
Design an auxiliary tooling that includes a shaft bar and a bushing. The shaft bar has a limiting part, an abutting part, and an abutting surface. The bushing has a through channel. The preset distance and limiting structure ensure that the pressing depth of the copper bushing meets the tolerance requirements.
It achieves precise control over the pressing depth of the copper sleeve, avoiding rework, reducing labor costs, and improving production efficiency and installation reliability.
Smart Images
Figure CN223718783U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to copper bush installation technical field especially relates to a kind of auxiliary tool for copper bush installation. BACKGROUND
[0002] Copper bush, also known as copper shaft sleeve, is a kind of oil lubricated bearing, widely used in various light industry, large-scale, heavy machinery, with excellent mechanical properties and corrosion resistance, it plays an important role in various machinery, is one of the key components of mechanical transmission and support.
[0003] Copper bush needs to be installed in the installation hole reserved in product, currently, copper bush is first butted with installation hole, then shaft stick is used to top on copper bush, and pressure machine is started to press shaft stick to press copper bush into installation hole, but as there is no limit on shaft stick, the press-in size of copper bush cannot be well controlled, press-in too deep will lead to poor product sealing and oil leakage, press-in too shallow will lead to copper bush toping other parts during subsequent assembly and normal assembly cannot be carried out. Therefore, press-in depth detection needs to be carried out after the installation of copper bush is completed, and unqualified needs secondary rework, production efficiency is low, and labor cost is high.
[0004] Therefore, it is necessary to provide an auxiliary tool for copper bush installation to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing an auxiliary tool for copper bush installation, saves labor cost, and improves production efficiency.
[0006] To achieve this purpose, the utility model adopts the following technical solutions:
[0007] An auxiliary tool for copper bush installation comprises:
[0008] Shaft stick, the shaft stick comprises limiting portion, body portion and abutting portion arranged in sequence, the abutting portion is provided with abutting face, the diameter of the abutting portion is same with the outer diameter of copper bush;
[0009] Shaft sleeve, the shaft sleeve is provided with channel, the body portion and the abutting portion are arranged in the channel and can move along the length direction of the channel, the first end of the shaft sleeve can abut against the limiting portion to limit the movement of the body portion and the abutting portion, at this time, the distance between the second end face of the shaft sleeve and the abutting face is preset value.
[0010] As preferred, limiting shaft is protruded on the abutting face, the limiting shaft is arranged in the copper bush to limit the displacement of the copper bush along its radial direction, and the copper bush can abut against the abutting face.
[0011] Preferably, the inner wall of the channel has a gap with the body part and the abutting part.
[0012] Preferably, the gap is 0.05mm.
[0013] Preferably, the preset value is 1.5mm.
[0014] Preferably, the wall surface of the limiting part abutting with the shaft sleeve is provided with a first buffer layer.
[0015] Preferably, the material of the first buffer layer is rubber.
[0016] Preferably, the wall surface of the shaft sleeve abutting with the limiting part is provided with a second buffer layer.
[0017] Preferably, the material of the second buffer layer is rubber.
[0018] Preferably, the limiting part, the body part and the abutting part are integrally formed.
[0019] The utility model discloses beneficial effect:
[0020] The auxiliary tool for copper sleeve installation includes a shaft stick and a shaft sleeve, the shaft stick includes an abutting part, a body part and an abutting part connected with each other, the abutting part is provided with an abutting surface, the diameter of the abutting part is same with the outer diameter of the copper sleeve, the shaft sleeve is provided with a channel, the body part and the abutting part are arranged in the channel and can move along the length direction of the channel, the first end of the shaft sleeve can abut with the limiting part to limit the movement of the body part, at this time, the distance between the second end surface of the shaft sleeve and the abutting surface is a preset value.
[0021] In the installation of the copper sleeve using the auxiliary tool, first, the shaft sleeve is sleeved on the shaft rod, and the abutting surface on the abutting portion is located outside the shaft sleeve to facilitate subsequent positioning; the copper sleeve is aligned with the mounting hole reserved on the product, the auxiliary tool is placed on the upper end of the copper sleeve so that the abutting surface abuts against the copper sleeve, and then the shaft sleeve is moved towards the product so that the second end surface of the shaft sleeve abuts against the surface of the product, at this time, the copper sleeve and part of the shaft rod are located in the channel of the copper sleeve, the pneumatic press is turned on to slightly jog the shaft rod, and the copper sleeve is pre-positioned at the mounting hole of the product, at this time, the auxiliary tool can be removed to observe whether the pre-positioning position is accurate, if accurate, the abutting surface is abutted against the copper sleeve, and the pneumatic press is turned on to press the shaft rod, so that the copper sleeve is pressed into the mounting hole, since the diameter of the abutting portion is the same as the outer diameter of the copper sleeve, therefore, as the shaft rod is gradually pressed, the abutting portion can also enter the mounting hole, when the limiting portion of the shaft rod abuts against the shaft sleeve, the movement of the shaft rod is limited and cannot continue to be pressed under the driving of the pneumatic press, that is, the copper sleeve cannot continue to be pressed downwards, at this time, the distance between the abutting surface and the second end surface of the shaft sleeve is a preset value, that is, the distance between the top end surface of the copper sleeve and the surface of the product is a preset value, and the pressing depth of the copper sleeve is exactly the preset depth that meets the tolerance requirement, and the installation of the copper sleeve is completed.
[0022] The auxiliary tool for copper sleeve installation is simple in structure and convenient to use, in use, the pressing depth does not need to be additionally controlled, only needs to be pressed until the shaft rod abuts against the shaft sleeve, and the installation of the copper sleeve is completed, the pressing depth of each copper sleeve into the product is uniform, and the pressing depth meets the tolerance requirement, so that the pressing depth is neither too deep nor too shallow, the situation that the pressing depth does not meet the requirement and needs to be reworked is avoided, the pressing depth does not need to be detected, the labor for rechecking and secondary reworking is saved, the labor cost is reduced, and the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 is a schematic view of the auxiliary tool for copper sleeve installation provided by the utility model;
[0024] Figure 2 is a schematic view of the shaft rod provided by the utility model;
[0025] Figure 3 is a sectional view of the shaft sleeve provided by the utility model.
[0026] In the drawings:
[0027] 1, shaft rod; 11, limiting portion; 12, body portion; 13, abutting portion; 131, abutting surface; 14, limiting shaft;
[0028] 2, shaft sleeve; 21, channel. DETAILED DESCRIPTION
[0029] The utility model will be described in further detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are merely used to explain the utility model and not to limit the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for ease of description, not all the structures.
[0030] In the description of the utility model, unless explicitly defined and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements or the interaction between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0031] In the utility model, unless explicitly defined and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0032] In the description of the embodiment, the terms "up", "down", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.
[0033] The copper sleeve needs to be installed in the mounting hole reserved in the product. At present, the copper sleeve is usually butt jointed with the mounting hole first, and then the shaft rod is used to top on the copper sleeve, and then the press is started to press the shaft rod to press the copper sleeve into the mounting hole. However, since there is no limit on the shaft rod, the pressing size of the copper sleeve cannot be well controlled, and if the pressing is too deep, the product will have poor sealing and oil leakage phenomenon, and if the pressing is too shallow, the copper sleeve will be topped to other parts during subsequent assembly, and normal assembly cannot be carried out. Therefore, after the installation of the copper sleeve is completed, the pressing depth detection needs to be carried out, and if it is unqualified, it needs to be reworked twice, which is low in production efficiency and high in labor cost.
[0034] In order to solve the above problems, such as Figures 1-3As shown, the embodiment provides an auxiliary tool for copper sleeve installation, which includes a shaft stick 1 and a shaft sleeve 2, the shaft stick 1 includes a limiting portion 11, a body portion 12 and an abutting portion 13 connected in sequence, the abutting portion 13 is provided with an abutting surface 131, the diameter of the abutting portion 13 is the same as the outer diameter of the copper sleeve, the shaft sleeve 2 is provided with a channel 21, the body portion 12 and the abutting portion 13 are arranged in the channel 21 and can move along the length direction of the channel 21, the first end of the shaft sleeve 2 can abut against the limiting portion 11 to limit the movement of the body portion 12 and the abutting portion 13, at this time, the distance between the second end surface of the shaft sleeve 2 and the abutting surface 131 is a preset value.
[0035] In the installation of the copper sleeve using the auxiliary tool, first, the shaft sleeve 2 is arranged on the shaft stick 1, and the abutting surface 131 of the abutting portion 13 is located outside the shaft sleeve 2 to facilitate the subsequent butt joint positioning with the copper sleeve; the copper sleeve is aligned with the installation hole reserved on the product, the auxiliary tool is placed on the upper end of the copper sleeve so that the abutting surface 131 abuts against the copper sleeve, and then the shaft sleeve 2 is moved towards the product so that the second end surface of the shaft sleeve 2 abuts against the surface of the product, at this time, the copper sleeve and part of the shaft stick 1 are located in the channel 21 of the shaft sleeve 2, the pneumatic press is started to slightly drive the shaft stick 1 so that the shaft stick 1 presses the copper sleeve to preliminarily position the copper sleeve at the installation hole of the product, and then the auxiliary tool is removed to observe whether the preliminary positioning position is accurate, if accurate, the abutting surface 131 of the auxiliary tool is abutted against the copper sleeve, and then the pneumatic press is started to press the shaft stick 1 to press the copper sleeve into the installation hole, since the diameter of the abutting portion 13 is the same as the outer diameter of the copper sleeve, as the shaft stick 1 is gradually pressed, the abutting portion 13 can also enter the installation hole, when the limiting portion 11 of the shaft stick 1 abuts against the shaft sleeve 2, the movement of the shaft stick 1 is limited and cannot continue to move downwards under the drive of the pneumatic press, that is, the copper sleeve cannot continue to be pressed into the installation hole, at this time, the distance between the abutting surface 131 and the second end surface of the shaft sleeve 2 is the preset value, that is, the distance between the top end surface of the copper sleeve and the surface of the product is the preset value, and the pressing depth of the copper sleeve is exactly the preset depth that meets the tolerance requirement, that is, the installation of the copper sleeve is completed.
[0036] The auxiliary tool for copper sleeve installation has simple structure and is convenient to use, in use, the pressing depth does not need to be controlled additionally, only needs to be pressed to the abutting of the shaft stick 1 and the shaft sleeve 2, the installation of the copper sleeve can be completed, the depth of each copper sleeve pressed into the product is uniform, and the pressing depth meets the tolerance requirement, neither too deep nor too shallow, the situation that the pressing depth does not meet the requirement and needs to be reworked is eliminated, the pressing depth does not need to be detected subsequently, the investment of manual rechecking and secondary reworking is saved, the labor cost is reduced, and the production efficiency is improved.
[0037] Specifically, as shown in the drawings, Figure 1 , Figure 2As shown, the abutting surface 131 is provided with a limiting shaft 14, the limiting shaft 14 is arranged in the copper sleeve to limit the radial displacement of the copper sleeve, and the copper sleeve can abut against the abutting surface 131. When the copper sleeve is installed, the limiting shaft 14 is inserted into the copper sleeve to ensure that the copper sleeve abuts against the abutting surface 131, and due to the presence of the limiting shaft 14, the copper sleeve will not displace in the radial direction when pressed by the auxiliary tool, so that the installation will not be affected due to the inclination of the copper sleeve, and the reliability of the installation of the copper sleeve is ensured.
[0038] Specifically, gaps exist between the inner wall of the channel 21 and the body part 12 and the abutting part 13, the existence of the gaps reduces the direct contact between the shaft rod 1 and the inner wall of the shaft sleeve 2, thereby reducing the heat and wear caused by friction, which helps to prolong the service life of the auxiliary tool, and the existence of the gaps makes the shaft rod 1 more easily inserted into the channel 21 of the shaft sleeve 2, and also makes the body part 12 and the abutting part 13 of the shaft rod 1 move more smoothly in the channel 21 of the shaft sleeve 2.
[0039] In this embodiment, the gap is 0.05 mm, at this time, the distance between the shaft rod 1 and the shaft sleeve 2 is small, and the shaft sleeve 2 can also limit the movement of the shaft rod 1, so that the shaft rod 1 can only displace downward under the drive of the pneumatic press, thereby ensuring that a stable downward pressure is applied to the copper sleeve and ensuring the installation quality of the shaft sleeve 2.
[0040] In this embodiment, the preset value is 1.5 mm. When the preset value is 1.5 mm, the distance between the top end surface of the installed copper sleeve and the surface of the product is 1.5 mm, which meets the requirement of the installation tolerance. It should be noted that the specific value of the preset value is determined by the actual installation requirement and is not limited.
[0041] In an optional embodiment, a first buffer layer is arranged on the wall surface of the limiting part 11 abutting against the shaft sleeve 2. By arranging the first buffer layer, the impact force and vibration energy generated when the limiting part 11 abuts against the shaft sleeve 2 under the drive of the pneumatic press can be effectively absorbed, thereby protecting the shaft rod 1 and the shaft sleeve 2 and reducing noise.
[0042] Specifically, the material of the first buffer layer is rubber, which is easy to obtain and low in price.
[0043] In another optional embodiment, a second buffer layer is arranged on the wall surface of the shaft sleeve 2 abutting against the limiting part 11. By arranging the second buffer layer, the impact force and vibration energy generated when the limiting part 11 abuts against the shaft sleeve 2 under the drive of the pneumatic press can be effectively absorbed, thereby protecting the shaft rod 1 and the shaft sleeve 2 and reducing noise.
[0044] Specifically, the material of the second buffer layer is rubber, which is easy to obtain and low in price.
[0045] In the embodiment, the limiting portion 11, the body portion 12 and the abutting portion 13 are integrally formed. The design of integral forming can ensure that the connection between the limiting portion 11, the body portion 12 and the abutting portion 13 is more firm, avoid structural weakness possibly caused by welding or assembling process, when the shaft bar 1 is subjected to the action of the pneumatic press, the shaft bar 1 can maintain good stability and strength, and there is no risk of failure caused by loosening or deformation between components; the integral forming process can simplify the production process of the shaft bar 1, reduce the number of parts and the assembly process, and is simple to manufacture and low in cost.
[0046] Further, the limiting shaft 14 is integrally formed with the abutting portion 13, that is, the limiting portion 11, the body portion 12, the abutting portion 13 and the limiting shaft 14 are integrally formed to form the shaft bar 1.
[0047] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not a limitation on the embodiments of the utility model. For ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be made without departing from the protection scope of the utility model. Here, all the embodiments need not and cannot be exhausted. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.
Claims
1. An auxiliary tool for copper bush mounting, characterized by, The application relates to a shaft rod (1) and a shaft sleeve (2). The shaft rod (1) comprises a limiting part (11), a body part (12) and an abutting part (13) arranged in sequence, the abutting part (13) is provided with an abutting surface (131), and the diameter of the abutting part (13) is the same as the outer diameter of a copper sleeve; The shaft sleeve (2) is provided with a channel (21), the body part (12) and the abutting part (13) are arranged in the channel (21) and can move along the length direction of the channel (21), the first end of the shaft sleeve (2) can abut against the limiting part (11) to limit the movement of the body part (12) and the abutting part (13), and the distance between the second end surface of the shaft sleeve (2) and the abutting surface (131) is a preset value.
2. The auxiliary tool for copper jacket installation according to claim 1, characterized in that, The abutting surface (131) is provided with a limiting shaft (14), the limiting shaft (14) is arranged in the copper sleeve to limit the radial displacement of the copper sleeve, and the copper sleeve can abut against the abutting surface (131).
3. The auxiliary tool for copper jacket installation according to claim 1, wherein The inner wall of the channel (21) is provided with gaps between the body part (12) and the abutting part (13).
4. The auxiliary tool for copper bush mounting according to claim 3, characterized in that, The gap is 0.05 mm.
5. The auxiliary tool for copper bush mounting according to claim 1, wherein The preset value is 1.5 mm.
6. The auxiliary tool for copper bush mounting according to claim 1, wherein The limiting part (11) is provided with a first buffer layer on the wall surface abutting against the shaft sleeve (2).
7. The auxiliary tool for copper bush mounting according to claim 6, wherein The material of the first buffer layer is rubber.
8. The auxiliary tool for copper bush mounting according to claim 1, wherein The shaft sleeve (2) is provided with a second buffer layer on the wall surface abutting against the limiting part (11).
9. The auxiliary tool for copper bush mounting according to claim 8, wherein The material of the second buffer layer is rubber.
10. The auxiliary tool for copper bush mounting according to claim 1, wherein The limiting part (11), the body part (12) and the abutting part (13) are integrally formed.