Mounting jig

Abstract

This invention discloses an assembly fixture, relating to the field of motor processing technology. The assembly fixture is used to assemble an oil seal on a housing. The housing has an installation area and a positioning hole penetrating the installation area. The assembly fixture includes: a mounting flange located on one side of the installation area, the mounting flange having a first mating position for fixing the oil seal; and a positioning seat located on the back side of the installation area and mating with the positioning hole for limiting movement, the positioning seat having a first assembly position passing through the positioning hole and slidingly engaging with the first mating position to press the oil seal onto the installation area. The technical solution provided by this invention improves the assembly accuracy and efficiency of motor oil seals.

Description

Technical Field

[0001] This invention relates to the field of motor processing technology, and in particular to an assembly fixture. Background Technology

[0002] In the design and manufacturing of modern industrial robots, oil seals and bearings are indispensable structural components. Oil seal devices are typically installed at various joint interfaces of the robot to effectively seal the lubricating grease inside the reducer, maintaining good lubrication and preventing the intrusion of external contaminants. However, existing installation processes present several challenges: damage to oil seals or inaccurate positioning during assembly are common problems. These issues can easily lead to lubricating grease leakage, resulting in reduced lubrication efficiency of the reducer, accelerated wear, and consequently, significantly shortened service life and reliability of the reducer and even the entire robot system. Summary of the Invention

[0003] The main objective of this invention is to provide an assembly fixture that improves the assembly accuracy and efficiency of motor oil seals.

[0004] To achieve the above objectives, the present invention provides an assembly fixture for assembling an oil seal on a housing, the housing having an installation area and a positioning hole penetrating the installation area, the assembly fixture comprising:

[0005] A mounting flange is located on one side of the mounting area. The mounting flange has a first mating position for fixing the oil seal.

[0006] A positioning seat is provided on the back side of the installation area and engages with the positioning hole for limiting the position. The positioning seat has a first assembly position, which passes through the positioning hole and slides with the first engagement position to press the oil seal onto the installation area.

[0007] In one embodiment, the mounting flange has a first end face facing the positioning seat, the first mating position includes a first mating body, the first mating body protruding from the first end face, the first mating body extending around the center of the mounting flange, the side wall of the first mating body facing the center of the mounting flange slidingly engaging with the first mating position, and the oil seal engaging with the side wall of the first mating body opposite to the center of the mounting flange and the first end face.

[0008] In one embodiment, the first mating position further includes a first support body, which is disposed on the first end face and extends around the first mating body, and the first support body is used to support the oil seal.

[0009] In one embodiment, the mounting flange has a second end face opposite to the first end face, the second end face having a second mating position for fixing the bearing, and the second mating position for slidingly engaging with the first mounting position to press the bearing onto the mounting area.

[0010] In one embodiment, the second mating position includes a second mating body, which protrudes from the second end face and extends around the center of the mounting flange. The sidewall of the second mating body facing the center of the mounting flange slides with the first assembly position. The bearing engages with the sidewall of the second mating body opposite to the center of the mounting flange and the second end face.

[0011] In one embodiment, the second mating position further includes a second support body, which is disposed on the second end face and extends around the second mating body, and the second support body is used to support the bearing.

[0012] In one embodiment, the positioning seat includes:

[0013] The first positioning body fits against the periphery of the positioning hole;

[0014] The second positioning body protrudes from the first positioning body and engages with the inner wall of the positioning hole.

[0015] A first assembly protrudes from the second positioning body and extends toward the mounting flange side. The first assembly slides with the first mating position, and the first assembly forms the first mating position.

[0016] In one embodiment, the mounting flange is provided with a first connecting hole, and the positioning seat is provided with a second connecting hole. The first connecting hole, the second connecting hole, and the positioning hole are coaxially arranged. The assembly fixture also includes a driving member, which passes through the first connecting hole and cooperates with the second connecting hole to drive the mounting flange and the positioning seat to move closer or further apart from each other.

[0017] In one embodiment, the driving component is a bolt, which is threaded into the first connecting hole.

[0018] In one embodiment, the mounting flange is provided with a plurality of first gripping holes, the plurality of first gripping holes being arranged at intervals around the center of the mounting flange; and / or, the positioning seat is provided with a plurality of second gripping holes, the plurality of second gripping holes being arranged at intervals around the center of the positioning seat.

[0019] Compared with the prior art, in the technical solution of this invention, the assembly fixture includes a mounting flange and a positioning seat. The motor housing has an oil seal mounting area and a positioning hole penetrating the mounting area. The mounting flange is located on one side of the mounting area and has a first mating position for fixing the oil seal. The positioning seat is located on the back side of the mounting area and engages with the positioning hole for positioning. The positioning seat has a first assembly position that passes through the positioning hole and slides with the first mating position. This guides the mounting flange, allowing it to press the oil seal onto the mounting area. The sliding engagement between the first assembly position and the first mating position allows the oil seal to move along a predetermined path during assembly. The positioning seat and the positioning hole's positioning ensure that the oil seal does not interfere with other parts of the housing during assembly, thus improving assembly accuracy. Furthermore, the assembly process eliminates the need for repeated confirmation of the oil seal's position, improving assembly efficiency. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of an embodiment of the assembly fixture provided by the present invention;

[0022] Figure 2 A cross-sectional schematic diagram of the assembly fixture for assembling the oil seal provided by the present invention;

[0023] Figure 3 This is a schematic diagram of the assembly fixture for assembling bearings provided by the present invention;

[0024] Figure 4 This is a schematic diagram of a flange mounting structure in the assembly fixture provided by the present invention;

[0025] Figure 5 This is another structural schematic diagram of the mounting flange in the assembly fixture provided by the present invention;

[0026] Figure 6 This is a schematic diagram of the positioning seat in the assembly fixture provided by the present invention.

[0027] Explanation of icon numbers:

[0028] 10. Oil seal; 20. Bearing; 100. Mounting flange; 110. First mating position; 111. First mating body; 112. First support body; 120. Second mating position; 121. Second mating body; 122. Second support body; 130. First gripping hole; 200. Positioning seat; 210. First positioning body; 220. Second positioning body; 230. First assembly; 240. Second gripping hole; 300. Drive component.

[0029] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0031] It should be noted that if the embodiments of the present invention involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0032] Furthermore, if the embodiments of this invention involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

[0033] To improve the assembly accuracy and efficiency of the motor oil seal 10, this technical solution proposes an assembly fixture for assembling the oil seal 10 on a housing. The housing has an installation area and a positioning hole penetrating the installation area. The assembly fixture includes:

[0034] A mounting flange 100 is located on one side of the installation area. The mounting flange 100 has a first mating position 110 for fixing the oil seal 10.

[0035] The positioning seat 200 is located on the back side of the installation area and is matched with the positioning hole for limiting. The positioning seat 200 has a first assembly position, which passes through the positioning hole and slides with the first mating position 110 to press the oil seal 10 onto the installation area.

[0036] like Figures 1 to 6 In one embodiment of the present invention, the assembly fixture is specifically optimized to address the assembly challenges of the oil seal 10 on the industrial robot housing, significantly improving assembly accuracy and efficiency. The housing has an installation area for mounting the oil seal 10, which can be a mounting groove structure on the housing. A positioning hole is pre-set within this area, playing a crucial guiding and positioning role during assembly. One of the core components of the assembly fixture is the mounting flange 100, located on one side of the housing mounting area. The mounting flange 100 is designed with a first mating position 110, which firmly secures the oil seal 10, ensuring that the oil seal 10 maintains its correct initial position during assembly and preventing displacement or deformation during the assembly process. The shape and size of the first mating position 110 precisely match the shape of the target oil seal 10, ensuring good fixing force while avoiding damage to the oil seal 10. Another core component is the positioning seat 200, which is located on the back of the housing mounting area. It achieves a tight and precise fit with the positioning hole on the housing, ensuring absolute spatial stability and providing a solid foundation for subsequent assembly operations. The positioning seat 200 has a first mounting position that passes through the positioning hole of the housing and forms a sliding fit with the first mating position 110 on one side of the mounting flange 100. Through this design, when the operator applies appropriate pressure to move the mounting flange 100 towards the positioning hole, the first mounting position and the first mating position 110 will slide relative to each other, pressing the oil seal 10 against the housing mounting area. This achieves perfect assembly of the oil seal 10 and ensures a tight fit between the oil seal 10 and the housing surface, effectively preventing oil leakage. In summary, the assembly fixture provided in this embodiment, through the cooperation of the mounting flange 100 and the positioning seat 200, not only simplifies the assembly process of the oil seal 10 and improves the assembly efficiency, but also greatly improves the accuracy and reliability of the assembly.

[0037] like Figure 2 and Figure 4In one embodiment of the present invention, the mounting flange 100 has a first end face facing the positioning seat 200. The first mating position 110 includes a first mating body 111, which protrudes from the first end face and extends around the center of the mounting flange 100. The side wall of the first mating body 111 facing the center of the mounting flange 100 is slidably mated with the first mating position. The oil seal 10 is mated with the side wall of the first mating body 111 away from the center of the mounting flange 100 and the first end face. The technical solution of this embodiment further optimizes and refines the design of the mounting flange 100. In this solution, the mounting flange 100 is designed with a first end face facing the positioning seat 200. The first end face is a plane, and a first mating body 111 is provided on the first end face. The first mating body 111 is a protruding structure on the first end face. The first mating body 111 extends around the central axis of the mounting flange 100 to form a continuous and uniform annular structure. The oil seal 10 can be fitted onto the outer circumference of the first mating body 111. This allows the first mating body 111 to support and limit the oil seal 10 in all directions. No matter what stage of the assembly process, it can maintain stable guidance and positioning of the oil seal 10, greatly reducing the possibility of assembly errors. In addition, the side wall of the first mating body 111 facing the center of the mounting flange 100, through the limiting between the first mating body 111 and the first assembly position, ensures the stability of the mounting flange 100 during the sliding process, thereby improving the assembly accuracy and reliability.

[0038] like Figure 4 In one embodiment of the present invention, the first mating position 110 further includes a first support body 112. The first support body 112 is disposed on the first end face and extends around the first mating body 111. The first support body 112 is used to support the oil seal 10. In order to ensure that the oil seal 10 can be smoothly pressed into the installation area, the first support body 112 is disposed on the first end face of the mounting flange 100 and extends in a ring around the first mating body 111. The first support body 112 supports the area near the outer periphery of the end face of the oil seal 10. Thus, during assembly, since the outer periphery of the oil seal 10 mates with the housing, the first support body 112 can ensure that the outer periphery of the oil seal 10 can be smoothly pressed into the installation area, ensuring the assembly quality.

[0039] like Figure 3 and Figure 5 In one embodiment of the present invention, the mounting flange 100 has a second end face opposite to the first end face, and the second end face is provided with a second mating position 120. The second mating position 120 is used to fix the bearing 20, and the second mating position 120 is used to slide with the first assembly position to press the bearing 20 onto the mounting area.

[0040] In this design, the mounting flange 100 also integrates the assembly of the bearing 20, thus increasing the functional versatility of the assembly fixture and improving the overall efficiency of motor assembly. Specifically, the mounting flange 100 includes two opposing end faces. The first end face, as mentioned earlier, is used for the assembly of the oil seal 10, while the newly added second end face faces the other side and is specifically used for the assembly of the bearing 20. A second mating position 120 is provided on the second end face. This second mating position 120 can both firmly fix the bearing 20 and slide with the first mating position. When appropriate pressure is applied to the mounting flange 100, the second mating position 120 will move along a specific guide path, simultaneously pushing the bearing 20 to smoothly and accurately press into the mounting area of ​​the housing. This design ensures a tight fit between the bearing 20 and the mounting area, improving the accuracy and efficiency of assembly. During the installation process, after the oil seal 10 is assembled, the second mating position 120 can be used to continue assembling the bearing 20, thus further improving the efficiency of motor assembly.

[0041] This embodiment not only optimizes the assembly process of individual components through this integrated design, but also improves the convenience and efficiency of industrial robots in assembly and maintenance at the system level.

[0042] like Figure 5 In this embodiment, the second mating position 120 can adopt a structural design similar to the first mating position 110. The second mating position 120 includes a second mating body 121, which protrudes from the second end face. The second mating body 121 extends around the center of the mounting flange 100. The side wall of the second mating body 121 facing the center of the mounting flange 100 slides and engages with the first assembly position. The bearing 20 engages with the side wall of the second mating body 121 away from the center of the mounting flange 100 and the second end face. The second end face is a plane, and a second mating body 121 is provided on the second end face. The second mating body 121 is a protruding structure on the second end face. The second mating body 121 extends around the central axis of the mounting flange 100, forming a continuous and uniform annular structure. The bearing 20 can be fitted onto the outer circumference of the second mating body 121. This allows the second mating body 121 to support and limit the bearing 20 in all directions. No matter what stage of the assembly process, it can maintain stable guidance and positioning of the bearing 20, greatly reducing the possibility of assembly errors. In addition, the side wall of the second mating body 121 facing the center of the mounting flange 100, through the limiting between the second mating body 121 and the second assembly position, ensures the stability of the mounting flange 100 during the sliding process, thereby improving the assembly accuracy and reliability.

[0043] like Figure 5In one embodiment of the present invention, the second mating position 120 further includes a second support body 122. The second support body 122 is disposed on the second end face and extends around the second mating body 121. The second support body 122 is used to support the bearing 20. The structure of the second support body 122 can be similar to that of the second mating body 121. The second support body 122 is disposed on the second end face of the mounting flange 100 and extends in a ring around the second mating body 121. The second support body 122 supports the area near the outer periphery on the end face of the bearing 20. Thus, during assembly, since the outer periphery of the bearing 20 mates with the housing, the second support body 122 can ensure that the outer periphery of the bearing 20 can be smoothly pressed into the mounting area, ensuring the assembly quality.

[0044] like Figure 6 In one embodiment of the present invention, the positioning seat 200 includes:

[0045] The first positioning body 210 fits against the periphery of the positioning hole;

[0046] The second positioning body 220 protrudes from the first positioning body 210 and engages with the inner wall of the positioning hole.

[0047] The first assembly 230 protrudes from the second positioning body 220 and extends toward the mounting flange 100. The first assembly 230 is slidably engaged with the first mating position 110, and the first assembly 230 forms the first mating position 110.

[0048] In this specific embodiment of the invention, the structure of the positioning seat 200 is further improved to enhance its precise positioning and stable pressing capability during the assembly of the oil seal 10. In this solution, the positioning seat 200 consists of three key components: a first positioning body 210, a second positioning body 220, and a first assembly body 230. The first positioning body 210 is a flat plate structure. The first positioning body 210 fits tightly against the periphery of the positioning hole on the housing to limit the axial displacement of the positioning seat 200 in the positioning hole. The second positioning body 220 is protruding above the first positioning body 210 and forms a good fit with the inner wall of the positioning hole to limit the radial displacement of the positioning seat 200 in the positioning hole. The positioning and fixing of the positioning seat 200 is achieved through the cooperation of the first positioning body 210 and the second positioning body 220 to ensure the accuracy of the subsequent assembly of the oil seal 10 and the bearing 20. The first assembly body 230, as the core execution component in the assembly process, protrudes above the second positioning body 220 and extends towards the mounting flange 100. The first assembly 230 can be a cylindrical structure, designed to achieve a precise sliding fit with the first mating position 110 on the mounting flange 100. In this embodiment of the invention, the cooperation of the first positioning body 210, the second positioning body 220, and the first assembly 230 not only achieves precise positioning of the oil seal 10 assembly position, but also ensures a smooth and efficient assembly process.

[0049] like Figure 4 and Figure 5 In one embodiment of the present invention, the mounting flange 100 is provided with a first connecting hole, and the positioning seat 200 is provided with a second connecting hole. The first connecting hole, the second connecting hole and the positioning hole are coaxially arranged. The assembly fixture also includes a driving member 300, which passes through the first connecting hole and cooperates with the second connecting hole to drive the mounting flange 100 and the positioning seat 200 to move closer or further apart from each other.

[0050] In this embodiment, to further enhance the flexibility and maneuverability of the assembly fixture, a first connecting hole is provided on the mounting flange 100, while the positioning seat 200 is correspondingly equipped with a second connecting hole. These two holes are coaxially arranged with the positioning hole on the housing. The assembly fixture is also equipped with a driving component 300, which passes through the first connecting hole on the mounting flange 100 and engages with the second connecting hole on the positioning seat 200. By operating the driving component 300, the mounting flange 100 and the positioning seat 200 can be brought closer together. Through the sliding engagement of the first mating position 110 and the first assembly body 230, the oil seal 10 or bearing 20 is precisely pressed into place. The entire process not only simplifies the complexity of manual operation but also significantly improves the accuracy and efficiency of assembly, reducing potential errors during the assembly process. In addition, the coaxial arrangement of the first connecting hole, the second connecting hole, and the positioning hole not only ensures the mechanical stability of the entire drive system but also makes the assembly fixture easier to align and install during use, improving the convenience of on-site operations.

[0051] In one embodiment of the present invention, the driving component 300 is a bolt, which is threaded into the first connecting hole. Bolts are not only simple in structure and easy to obtain, but also provide a stable and adjustable driving force. In specific implementation, the second connecting hole is designed with an internal thread structure that matches the bolt. When the bolt is screwed into the second connecting hole, its rotational motion is converted into linear motion. Through the pushing action of the thread, one end of the bolt gradually penetrates into the second connecting hole of the positioning seat 200, thereby driving relative movement between the mounting flange 100 and the positioning seat 200. Using a bolt as the driving component 300 allows the operator to easily adjust the tightening degree of the bolt according to actual needs using tools such as manual or electric wrenches, thereby controlling the distance between the mounting flange 100 and the positioning seat 200. This makes the assembly process of the oil seal 10 or bearing 20 more flexible and controllable. Furthermore, as standardized fasteners, bolts come in various specifications and models, facilitating the selection of appropriate sizes and strength grades according to different assembly requirements, enhancing the versatility and adaptability of the embodiments of the present invention.

[0052] like Figures 4 to 6In one embodiment of the present invention, the mounting flange 100 is provided with a plurality of first gripping holes 130, which are spaced apart around the center of the mounting flange 100; and / or, the positioning seat 200 is provided with a plurality of second gripping holes 240, which are spaced apart around the center of the positioning seat 200. In this embodiment of the present invention, in order to further improve the ease of operation and practicality of the assembly fixture, the mounting flange 100 is provided with a plurality of first gripping holes 130, which are evenly spaced around the center of the mounting flange 100. This design takes into account the need for the operator to firmly grip the mounting flange 100 when loading and unloading the oil seal 10 and when picking up and placing the mounting flange 100, and the first gripping holes 130 improve the flexibility of operation.

[0053] Similarly, the positioning base 200 is also equipped with multiple second gripping holes 240. These holes are arranged in the same manner as the first gripping holes 130, spaced apart around the center of the positioning base 200. The second gripping holes 240 also facilitate the gripping of the positioning base 200 and improve the flexibility of operation.

[0054] The above description is merely an exemplary embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention specification and drawings under the technical concept of the present invention, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

Claims

1. An assembly fixture, characterized in that, For assembling an oil seal on a housing having a mounting area and a positioning hole penetrating the mounting area, the assembly fixture includes: A mounting flange is located on one side of the mounting area. The mounting flange has a first mating position for fixing the oil seal. A positioning seat is provided on the back side of the installation area and is matched with the positioning hole for limiting. The positioning seat has a first assembly position, which passes through the positioning hole and slides with the first mating position to press the oil seal onto the installation area. The mounting flange has a first end face facing the positioning seat. The first mating position includes a first mating body, which protrudes from the first end face and extends around the center of the mounting flange. The side wall of the first mating body facing the center of the mounting flange slides with the first mating position. The oil seal mates with the side wall of the first mating body away from the center of the mounting flange and with the first end face. The first mating position also includes a first support body, which is disposed on the first end face and extends around the first mating body. The first support body is used to support the oil seal. The mounting flange has a second end face opposite to the first end face. The second end face has a second mating position for fixing the bearing and for slidingly engaging with the first mounting position to press the bearing onto the mounting area. The second mating position includes a second mating body protruding from the second end face and extending around the center of the mounting flange. The sidewall of the second mating body facing the center of the mounting flange slides with the first mounting position. The bearing engages with the sidewall of the second mating body opposite to the center of the mounting flange and with the second end face. The second mating position also includes a second support body located on the second end face and extending around the second mating body. The second support body supports the bearing. The positioning seat includes: The first positioning body fits against the periphery of the positioning hole; The second positioning body protrudes from the first positioning body and engages with the inner wall of the positioning hole. A first assembly protrudes from the second positioning body and extends toward the mounting flange side. The first assembly slides with the first mating position, and the first assembly forms the first mating position.

2. The assembly fixture as described in claim 1, characterized in that, The mounting flange is provided with a first connecting hole, and the positioning seat is provided with a second connecting hole. The first connecting hole, the second connecting hole, and the positioning hole are coaxially arranged. The assembly fixture also includes a driving component, which passes through the first connecting hole and cooperates with the second connecting hole to drive the mounting flange and the positioning seat to move closer or further apart.

3. The assembly fixture as described in claim 2, characterized in that, The driving component is a bolt, which is threaded into the first connecting hole.

4. The assembly fixture as described in claim 1, characterized in that, The mounting flange is provided with a plurality of first gripping holes, which are spaced apart around the center of the mounting flange; and / or, the positioning seat is provided with a plurality of second gripping holes, which are spaced apart around the center of the positioning seat.

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