Splitting jig suitable for interference fitting workpieces
By designing a split fixture for interference-connecting workpieces, the pushing assembly is used to drive the second workpiece to separate from the first workpiece, the problem of damage to the workpiece surface during separation is solved, and damage-free separation and complete appearance are achieved guaranteed degree.
Patent Information
- Application Number
- CN202420102753.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-15
- Publication Date
- 2025-02-21
- Estimated Expiration
- 2034-01-15
AI Technical Summary
When separating workpieces that use interference connection, they need to be pried from the outside, resulting in damage to the surface of the workpiece, affecting the product value and the convenience of dismantling and repair.
A disassembly fixture is designed, including a first base for fixing the first workpiece and a pushing assembly passing through the first workpiece, and the pushing assembly drives the second workpiece to disengage the first workpiece from the inside to achieve separation. No damage to the surface of the workpiece.
The split fixture can remove the two workpieces interfered from the interior without damaging the outer surface of the workpiece, and there is no need to set up additional slots, ensuring the integrity of the product appearance.
Smart Images

Figure CN222511755U_ABST
Abstract
Description
[Technical field]
[0001] The present application belongs to the technical field of workpiece splitting jigs, and in particular relates to a splitting jig suitable for interference-connected workpieces. [Background technology]
[0002] During the mechanical installation process, many parts need to fit tightly to prevent the connection from falling off or transmitting large torque, so interference fit technology was born. Interference fit is to use the elasticity of the material to expand and deform the hole and put it on another workpiece. When the hole is restored, it generates a clamping force on the other workpiece to connect the two parts, such as the interference connection between the bezel and the case. However, when separating the workpieces connected by interference fit, it is often necessary to pry them apart from the outside with the help of tools, or set special slots to facilitate the tool to pry them apart with force. This method not only affects the appearance integrity of the product, but also easily damages the surface of the workpiece when prying and separating, affecting the product value, and is not convenient for disassembly and maintenance of the workpiece. [Contents of the utility model]
[0003] In order to solve the problem in the prior art that when separating workpieces with interference fit, the workpieces need to be pried apart from the outside, which damages the surface of the workpieces, the present application provides a splitting jig suitable for interference fit workpieces that does not damage the surface of the workpieces.
[0004] This application is implemented through the following technical solutions:
[0005] A splitting jig suitable for interference-connected workpieces comprises a first base for fixing a first workpiece and a pushing assembly passing through the first workpiece and used for driving a second workpiece interference-connected with the first workpiece to separate from the first workpiece.
[0006] As described above, a splitting jig suitable for interference-connected workpieces, the pushing assembly includes a second base clamped with the inner wall of the second workpiece, and a pushing piece partially embedded in the first base and abutting against the second base.
[0007] As described above, a splitting jig suitable for interference-connected workpieces, the pushing member is threadedly connected to the first base, the pushing member rotates forward relative to the first base, pushing the second base away from the first base in a vertical direction to separate the first workpiece from the second workpiece, the pushing member reverses relative to the first base, and the second base approaches the first base in a vertical direction under the action of gravity to be reset.
[0008] As described above, a disassembly jig suitable for interference-connected workpieces, the second base includes a first clamp and a second clamp, the first clamp and the second clamp are provided with mounting grooves that are interconnected and for elastic members to be placed in, and guide grooves that are interconnected and for guide columns to be placed in, when the first clamp and the second clamp approach each other along the guide column, the outer diameter length of the second base is reduced, and at the same time, the elastic member is compressed, and the first clamp and the second clamp move away from each other along the guide column under the elastic force of the elastic member, so as to increase the outer diameter length of the second base.
[0009] In the above-mentioned splitting jig suitable for interference-connected workpieces, the first base is provided with an internal thread, the pushing member is provided with an external thread, and the inner diameter length of the first base is greater than the outer diameter length of the pushing member.
[0010] As described above, a splitting jig suitable for interference-connected workpieces, a first plane and a second plane parallel to each other are provided on the outer side wall of the first base.
[0011] As described above, a splitting jig suitable for interference-connected workpieces is provided, wherein the first workpiece is a watch case, the second workpiece is a watch ring, the second base is provided with a flange arranged around the outer contour of the second base and extending outward, and the inner wall of the second workpiece is provided with a groove for the flange to be inserted into.
[0012] As described above, a splitting jig suitable for interference-connected workpieces is provided on the first base. The platform is arranged around the outer contour of the first base and used to support the first workpiece, and at least two connecting holes are arranged on the platform and corresponding to the hole positions of the first workpiece. Fasteners pass through the connecting holes and the hole positions of the first workpiece in sequence to fix the first workpiece on the first base.
[0013] In the above-mentioned splitting jig suitable for interference-connected workpieces, the two connecting holes are respectively arranged corresponding to the first plane and the second plane.
[0014] In the above-mentioned splitting jig suitable for interference-connected workpieces, the push piece is provided with pineapple patterns.
[0015] Compared with the prior art, this application has the following advantages:
[0016] The present application discloses a splitting jig suitable for interference-connected workpieces. The first base is fixed to the first workpiece, and a pushing assembly passes through the first workpiece to drive the second workpiece to separate from the first workpiece from the inside. This structural setting can separate the two interference-connected workpieces from the inside without damaging the outer surfaces of the workpieces, and there is no need to set up additional grooves for leveraging, thereby ensuring the integrity of the appearance.
Brief Description of the Drawings
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0018] Figure 1 It is a three-dimensional stereogram in the embodiment of the present application;
[0019] Figure 2 yes Figure 1 Exploded view of;
[0020] Figure 3 It is a schematic diagram of the installation of the embodiment of the present application and the workpiece;
[0021] Figure 4 yes Figure 1 Schematic diagram of local decomposition;
[0022] Figure 5 A bottom view of the first base in the embodiment of the present application. [Specific implementation method]
[0023] In order to make the technical problems, technical solutions and beneficial effects solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.
[0024] See also Figures 1 to 5 A splitting jig suitable for interference-connected workpieces includes a first base 1 for fixing a first workpiece 100, and a pushing assembly 300 that passes through the first workpiece 100 and is used to drive a second workpiece 200 that is interference-connected with the first workpiece 100 to separate from the first workpiece 100.
[0025] In this embodiment, by fixing the first base to the first workpiece, the pushing assembly passes through the first workpiece and drives the second workpiece to separate from the first workpiece from the inside. This structural setting can separate the two workpieces that are interference-connected from the inside without damaging the outer surfaces of the workpieces, and there is no need to set up additional grooves for levering, thereby ensuring the integrity of the appearance.
[0026] Furthermore, as a preferred embodiment of the present solution but not a limitation, the ejection assembly 300 includes a second base 2 clamped to the inner wall of the second workpiece 200 , and an ejection member 3 partially embedded in the first base 1 and abutting against the second base 2 .
[0027] Furthermore, as a preferred embodiment of the present invention but not a limitation, the pushing member 3 is threadedly connected to the first base 1, the pushing member 3 rotates forward relative to the first base 1, pushing the second base 2 away from the first base 1 in the vertical direction to separate the first workpiece 100 from the second workpiece 200, and the pushing member 3 reverses relative to the first base 1, and the second base 2 approaches the first base 1 in the vertical direction under the action of gravity for resetting.
[0028] Furthermore, as a preferred embodiment of the present invention but not a limitation, the second base 2 includes a first clamp 21 and a second clamp 22, and the first clamp 21 and the second clamp 22 are provided with mounting grooves 5 that are interconnected and for the elastic member 4 to be placed, and guide grooves 7 that are interconnected and for the guide column 6 to be placed. When the first clamp 21 and the second clamp 22 approach each other along the guide column 6, the outer diameter length of the second base 2 is reduced, and at the same time, the elastic member 4 is compressed, and the first clamp 21 and the second clamp 22 move away from each other along the guide column 6 under the elastic force of the elastic member 4 to increase the outer diameter length of the second base.
[0029] In this embodiment, when the inner diameter length of the first workpiece is smaller than the inner diameter length of the second workpiece, the second base cannot pass through the first workpiece and engage with the second workpiece. Therefore, the structural setting can adjust the outer diameter length of the second base so that when the first clamping member and the second clamping member are close to each other, the outer diameter length of the second base is smaller than the inner diameter length of the first base so as to pass through the first base. Subsequently, the first clamping member and the second clamping member move away from each other under the action of elastic force, and the outer diameter length of the second base is larger than the inner diameter length of the first base so as to engage with the inner side of the second workpiece and prevent the second base from escaping from the first base. This setting has a simple structure and can be used for workpieces of unknown size specifications.
[0030] Further, as a preferred implementation manner of the present solution but not a limitation, the first base 1 is provided with an internal thread, the push member 3 is provided with an external thread, and the inner diameter length of the first base 1 is greater than the outer diameter length of the push member 3 .
[0031] In this embodiment, this structural setting allows the operator to hold the outer wall of the first base when using the jig, providing space for the operator to use the jig, or provide space for fixation when the torque motor is used to control the rotation. In addition, this setting makes it difficult for foreign objects and impurities to fall between the external thread and the internal thread, thereby affecting the movement of the push piece relative to the first base.
[0032] Furthermore, as a preferred implementation manner of the present solution but not a limitation, a first plane 11 and a second plane 12 which are parallel to each other are provided on the outer side wall of the first base 1 .
[0033] In this embodiment, the friction force of the outer surface of the first base is increased, reducing the possibility of slipping when the operator holds the first base. In some applications that need to maintain a fixed position or prevent sliding, this design can effectively improve the safety and stability of the operation.
[0034] Furthermore, as a preferred embodiment of the present solution but not a limitation, the first workpiece 100 is a watch case, the second workpiece 200 is a watch bezel, the second base 2 is provided with a flange arranged around the outer contour of the second base 2 and extending outward, and the inner wall of the second workpiece 200 is provided with a groove 201 for the flange to be inserted into.
[0035] Furthermore, as a preferred embodiment of the present invention but not a limitation, the first base 1 is provided with a platform 13 which is arranged around the outer contour of the first base 1 and is used to support the first workpiece 100, and at least two connecting holes 14 which are arranged on the platform 13 and correspond to the hole positions of the first workpiece 100, and fasteners pass through the connecting holes 14 and the hole positions of the first workpiece 100 in sequence to fix the first workpiece 100 on the first base 1.
[0036] In this embodiment, the platform serves as a supporting structure to ensure that the first workpiece is stably placed on the first base, thereby enhancing the overall structural stability and reliability. At the same time, by setting at least two connection holes on the platform and using fasteners to fix the first workpiece on the base, a close connection and firm fixation between the workpiece and the base is ensured. This fixing method can prevent the workpiece from moving during use. In addition, this design also facilitates subsequent maintenance, replacement or adjustment, making the operation easier and more efficient.
[0037] Further, as a preferred implementation manner of the present solution but not a limitation, the two connection holes 14 are respectively provided corresponding to the first plane 11 and the second plane 12 .
[0038] In this embodiment, the arrangement of the connecting holes corresponding to the first plane and the second plane can provide a larger operating space for the installation of the fastener, thereby improving the convenience of operation.
[0039] Furthermore, as a preferred implementation of the present solution but not a limitation, the outer diameter of the flange 21 is greater than the inner diameter of the first base 1 .
[0040] In this embodiment, this structural setting can prevent the second base from falling into the first base, so that the second base cannot be taken out, and simplifies the assembly process.
[0041] Furthermore, as a preferred implementation manner of the present solution but not a limitation thereof, the push member 3 is provided with a pineapple pattern.
[0042] In this embodiment, additional feel and control are provided. The pineapple pattern surface texture can increase friction, so that the user can still operate the push piece easily and stably in slippery or wet finger conditions. This texture design not only improves the practicality and operability of the product, but also helps reduce accidental slips or mistakes, thereby enhancing safety. In addition, the visual effect of the pineapple pattern may also add a unique aesthetic and style to the product.
[0043] The working principle of this embodiment is as follows:
[0044] The present application discloses a splitting jig suitable for interference-connected workpieces. The first base is fixed to the first workpiece, and a pushing assembly passes through the first workpiece to drive the second workpiece to separate from the first workpiece from the inside. This structural setting can separate the two interference-connected workpieces from the inside without damaging the outer surfaces of the workpieces, and there is no need to set up additional grooves for leveraging, thereby ensuring the integrity of the appearance.
[0045] The above are implementation methods provided in combination with specific contents, and it is not intended that the specific implementation of this application is limited to these descriptions. Any method structure similar to the present application, or a number of technical deductions or replacements based on the concept of the present application, should be considered as the protection scope of this application.
Claims
1. A splitting jig suitable for interference-connected workpieces, characterized in that: It comprises a first base (1) for fixing a first workpiece (100), and a pushing assembly (300) that passes through the first workpiece (100) and is used to drive a second workpiece (200) that is interference-connected with the first workpiece (100) to detach from the first workpiece (100).
2. A splitting jig for interference-connected workpieces according to claim 1, characterized in that: The pushing assembly (300) comprises a second base (2) clamped with the inner wall of the second workpiece (200), and a pushing member (3) partially embedded in the first base (1) and abutting against the second base (2).
3. A splitting jig for interference-connected workpieces according to claim 2, characterized in that: The pushing member (3) is threadedly connected to the first base (1); the pushing member (3) rotates forward relative to the first base (1) to push the second base (2) away from the first base (1) in a vertical direction to separate the first workpiece (100) from the second workpiece (200); the pushing member (3) rotates reversely relative to the first base (1); the second base (2) approaches the first base (1) in a vertical direction under the action of gravity to be reset.
4. A disassembly jig for interference-connected workpieces according to claim 2, characterized in that: The second base (2) comprises a first clamping member (21) and a second clamping member (22). The first clamping member (21) and the second clamping member (22) are provided with mounting grooves (5) which are interconnected and in which the elastic member (4) is placed, and guide grooves (7) which are interconnected and in which the guide column (6) is placed. When the first clamping member (21) and the second clamping member (22) approach each other along the guide column (6), the outer diameter length of the second base (2) is reduced. At the same time, the elastic member (4) is compressed. Under the elastic force of the elastic member (4), the first clamping member (21) and the second clamping member (22) move away from each other along the guide column (6) to increase the outer diameter length of the second base.
5. The splitting jig for interference-connected workpieces according to claim 2, characterized in that: The first base (1) is provided with an internal thread, the push member (3) is provided with an external thread, and the inner diameter length of the first base (1) is greater than the outer diameter length of the push member (3).
6. A splitting jig for interference-connected workpieces according to claim 2, characterized in that: A first plane (11) and a second plane (12) which are parallel to each other are provided on the outer side wall of the first base (1).
7. A splitting jig for interference-connected workpieces according to claim 6, characterized in that: The first workpiece (100) is a watch case, the second workpiece (200) is a watch ring, the second base (2) is provided with a flange arranged around the outer contour of the second base (2) and extending outwards, and the inner wall of the second workpiece (200) is provided with a groove (201) for the flange to be inserted into.
8. A splitting jig for interference-connected workpieces according to claim 7, characterized in that: The first base (1) is provided with a platform (13) arranged around the outer contour of the first base (1) and used to support the first workpiece (100), and at least two connecting holes (14) arranged on the platform (13) and corresponding to the hole positions of the first workpiece (100), and fasteners pass through the connecting holes (14) and the hole positions of the first workpiece (100) in sequence to fix the first workpiece (100) on the first base (1).
9. A splitting jig for interference-connected workpieces according to claim 8, characterized in that: The two connection holes (14) are respectively arranged corresponding to the first plane (11) and the second plane (12).
10. The disassembly jig for interference-connected workpieces according to claim 2, characterized in that: The pushing member (3) is provided with a pineapple pattern.