Main shaft nut cutter dismounting tool
By designing a spindle nut removal tool with automatically retractable positioning pins and positioning holes at different distances, the adaptability problem of hole spacing of different specifications is solved, fast and accurate disassembly is achieved, work difficulty and cost are reduced, and customer satisfaction is improved.
Patent Information
- Application Number
- CN202422782578.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-11-14
AI Technical Summary
Existing spindle nut removal tools cannot adapt to hole spacings of different specifications, resulting in workers being unable to accurately remove the spindle nuts, increasing work difficulty and delaying maintenance, and reducing customer satisfaction.
A spindle nut removal tool is designed, which includes an automatically retractable positioning pin and positioning holes at different distances. It can adapt to spindle nuts of different specifications and achieve disassembly through the cooperation of the positioning pin and the spindle nut hole.
It improves the scope of application of tools, reduces the types of tools to be carried, reduces working time and costs, and improves work convenience and customer satisfaction.
Smart Images

Figure CN223326318U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of tool removal tools, in particular to a tool for removing a spindle nut. Background Art
[0002] A spindle nut removal tool is a tool specifically designed for installing and removing the tool retaining nut on a machine tool spindle. Currently, mainstream spindle nut removal tools on the market are typically designed with one end for removing the flange and the other for removing the nut. Because spindle nuts have varying hole spacings, tools for removing them require different specifications. However, when personnel visit customer sites to address issues, if they are not fully prepared and lack an accurate understanding of the customer's spindle nut hole spacing, they may be unable to remove the spindle nut correctly. This situation not only increases the difficulty of the work but can also lead to repair delays and customer dissatisfaction.
[0003] Therefore, how to overcome the above technical defects is a problem that needs to be solved urgently by those skilled in the art. Utility Model Content
[0004] In view of this, the purpose of the present invention is to provide a spindle nut removal tool, which can effectively improve the scope of application of the spindle nut removal tool, reduce the difficulty of work, and improve customer satisfaction.
[0005] To achieve the above objectives, the present invention provides the following technical solutions:
[0006] A spindle nut removal tool comprises a tool body, a spindle nut removal portion and a positioning pin, wherein the spindle nut removal portion is provided at one end of the tool body;
[0007] At least two first positioning holes and two second positioning holes are provided on the spindle nut disassembly portion, and the distance between the two first positioning holes is different from the distance between the two second positioning holes;
[0008] There are at least four positioning pins, which are installed in the first positioning hole and the second positioning hole in a one-to-one correspondence. The positioning pins can automatically extend and retract in the first positioning hole and the second positioning hole.
[0009] Optionally, a line connecting the two first positioning holes and a line connecting the two second positioning holes both pass through the center of the spindle nut disassembly portion;
[0010] An included angle between a line connecting two of the first positioning holes and a line connecting two of the second positioning holes is 50°-80°.
[0011] Optionally, an angle between a line connecting the first positioning holes and a line connecting the two second positioning holes is 60°.
[0012] Optionally, elastic members are provided in both the first positioning hole and the second positioning hole, and the bottom end surface of the positioning pin can contact the elastic members.
[0013] Optionally, the elastic member is a spring.
[0014] Optionally, a spring sleeve is further included, and the spring sleeve is sleeved on the spring.
[0015] Optionally, the positioning pin includes a base, a first pin and a second pin, the first pin is arranged on the base, the second pin is arranged on the first pin, and the elastic member can contact the base;
[0016] The base, the first pin and the second pin are all columnar structures. The diameters of the base, the first pin and the second pin decrease successively. The second pin cooperates with the first positioning hole or the second positioning hole.
[0017] Optionally, a mounting groove is provided along the axial direction of the first pin, and the second pin is arranged in the mounting groove, or the second pin is arranged on the end surface of the first pin.
[0018] Optionally, a flange disassembly portion is further included, and the flange disassembly portion is arranged at the other end of the tool body.
[0019] Optionally, the flange disassembly portion includes a base and a protrusion arranged on the base, the protrusion is provided with a pin hole, and a pin column that cooperates with the flange is installed in the pin hole.
[0020] It can be seen from the above technical solution that when a spindle nut of a certain specification is disassembled using a spindle nut removal tool, the two positioning pins placed in the first positioning hole can be matched and connected with the corresponding holes on the spindle nut. At this time, the two positioning pins in the second positioning hole can automatically retract under the external force of the spindle nut, and the spindle nut can be disassembled by rotating the removal tool body; similarly, when a spindle nut of another specification is disassembled, the two positioning pins in the second positioning hole can be matched and connected with the corresponding holes on the spindle nut. At this time, the two positioning pins in the first positioning hole can automatically retract under the external force of the spindle nut, and the spindle nut can be disassembled by rotating the removal tool body.
[0021] Compared with the prior art, the spindle nut removal tool disclosed in the embodiment of the utility model has the following technical advantages:
[0022] 1) The applicability of the spindle nut removal tool has been improved, eliminating the need to carry multiple tools and increasing work convenience;
[0023] 2) When performing on-site repairs, staff no longer need to spend time confirming which tools to bring. They only need to bring the tools they need to complete the disassembly task, allowing them to complete repairs quickly and accurately, significantly reducing work time and improving customer satisfaction.
[0024] 3) The types and quantities of tools are reduced, which reduces procurement and management costs, as well as the transportation and storage costs caused by carrying multiple tools. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.
[0026] Figure 1 This is a structural schematic diagram of a spindle nut removal portion in a spindle nut removal tool disclosed in an embodiment of the present utility model;
[0027] Figure 2 This is a structural schematic diagram of a tool body in a spindle nut tool removal tool disclosed in an embodiment of the present utility model;
[0028] Figure 3 This is a structural schematic diagram of the positioning pin in the spindle nut removal tool disclosed in an embodiment of the present utility model;
[0029] Figure 4 This is a structural schematic diagram of the flange removal part in the spindle nut removal tool disclosed in an embodiment of the utility model.
[0030] Description of reference numerals:
[0031] 100, tool body; 200, spindle nut removal part; 201-first positioning hole; 202, second positioning hole; 300, flange removal part; 301, base; 302, protrusion; 303, pin hole; 400, positioning pin; 401, base; 402, first pin; 403, second pin. DETAILED DESCRIPTION
[0032] In view of this, the core of the present invention is to provide a spindle nut removal tool, which can effectively improve the scope of application of the spindle nut removal tool, reduce the difficulty of work, and improve customer satisfaction.
[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Please refer to Figures 1 to 4 .
[0034] Please refer to Figure 1 and Figure 2 The spindle nut removal tool disclosed in the embodiment of the present utility model includes a removal tool body 100, a spindle nut removal portion 200 and a positioning pin 400.
[0035] Among them, the spindle nut disassembly part 200 is arranged at one end of the tool disassembly tool body 100, and at least two first positioning holes 201 and two second positioning holes 202 are provided on the spindle nut disassembly part 200. The distance between the two first positioning holes 201 is different from the distance between the two second positioning holes 202. There are at least four positioning pins 400, and they are respectively installed in the first positioning hole 201 and the second positioning hole 202. The positioning pins 400 can automatically extend and retract in the first positioning hole 201 and the second positioning hole 202.
[0036] When a spindle nut removal tool is used to remove a spindle nut of a certain specification, the two positioning pins 400 placed in the first positioning hole 201 can be matched and connected with the corresponding holes on the spindle nut. At this time, the two positioning pins 400 in the second positioning hole 202 can be automatically retracted under the external force of the spindle nut, and the spindle nut can be removed by rotating the removal tool body 100; similarly, when a spindle nut of another specification is to be removed, the two positioning pins 400 in the second positioning hole 202 can be matched and connected with the corresponding holes on the spindle nut. At this time, the two positioning pins 400 in the first positioning hole 201 can be automatically retracted under the external force of the spindle nut, and the spindle nut can be removed by rotating the removal tool body 100.
[0037] Compared with the prior art, the spindle nut removal tool disclosed in the embodiment of the utility model has the following technical advantages:
[0038] 1) The applicability of the spindle nut removal tool has been improved, eliminating the need to carry multiple tools and increasing work convenience;
[0039] 2) When performing on-site repairs, staff no longer need to spend time confirming which tools to bring. They only need to bring the tools they need to complete the disassembly task, allowing them to complete repairs quickly and accurately, significantly reducing work time and improving customer satisfaction.
[0040] 3) The types and quantities of tools are reduced, which reduces procurement and management costs, as well as the transportation and storage costs caused by carrying multiple tools.
[0041] It should be noted that the spindle nut removal part 200 can be fixedly provided on the tool removal tool body 100, and the spindle nut removal part 200 can also be rotatably provided on the tool removal tool body 100. When the spindle nut removal part 200 is rotatably provided on the tool removal tool body 100, the extension and retraction of the positioning pin 400 can be more conveniently controlled, and the position of the positioning pin 400 can be further stabilized.
[0042] As a further embodiment, the line connecting the two first positioning holes 201 and the line connecting the two second positioning holes 202 disclosed in the embodiment of the present invention both pass through the center of the spindle nut disassembly body. The angle between the line connecting the two first positioning holes 201 and the line connecting the two second positioning holes 202 is 50°-80°.
[0043] Such a configuration can effectively avoid the mutual interference between the positioning pin 400 placed in the first positioning hole 201 and the positioning pin 400 placed in the second positioning hole 202, thereby ensuring the smoothness and reliability of the spindle nut removal tool during use.
[0044] As a further embodiment, the angle between the connecting line between the first positioning holes 201 and the connecting line between the two second positioning holes 202 disclosed in the embodiment of the present utility model is 60°.
[0045] Such a setting can not only further optimize the operating performance of the spindle nut removal tool, but also reduce the risk of the positioning pin 400 getting stuck, thereby improving the overall working efficiency of the tool.
[0046] It should be noted that elastic parts are provided in the first positioning hole 201 and the second positioning hole 202 disclosed in the embodiment of the present invention, wherein the bottom end surface of the positioning pin 400 can contact the elastic part. With such arrangement, during the process of disassembly or installation of the spindle nut, the elastic part is compressed or released, and under the action of the elastic part, the positioning pin 400 can be extended and retracted.
[0047] The embodiments of the present invention do not limit the specific structure of the elastic member. As long as the structure meets the requirements for the implementation and use of the present invention, it is within the protection scope of the present invention.
[0048] As one preferred embodiment, the elastic member disclosed in the embodiment of the present invention is preferably a spring. Such an arrangement not only ensures smooth switching of the positioning pin 400 between different hole spacings, but also ensures the reliability and accuracy of the spindle nut removal tool during operation.
[0049] In order to further ensure the flexibility of the positioning pin 400 in extension and contraction, the spring disclosed in the embodiment of the present utility model is preferably a Misumi C-VUF-15 model spring.
[0050] As a further embodiment, the spindle nut removal tool disclosed in the embodiment of the present invention further includes a spring sleeve, wherein the spring sleeve is sleeved on the spring. Such an arrangement can provide a guide for the spring and ensure the accuracy of the spring expansion and contraction.
[0051] The embodiment of the present invention does not limit the specific structure of the positioning pin 400. As long as the structure meets the use requirements of the present invention, it is within the protection scope of the present invention.
[0052] As one example, please refer to Figure 3 The positioning pin 400 disclosed in the embodiment of the present invention includes a base 401, a first pin 402 and a second pin 403, wherein the first pin 402 is arranged on the base 401, the second pin 403 is arranged on the first pin 402, and the elastic member can contact the base 401.
[0053] Specifically, the base 401 , the first pin 402 and the second pin 403 are all columnar structures, the diameters of the base 401 , the first pin 402 and the second pin 403 decrease successively, and the second pin 403 cooperates with the first positioning hole 201 or the second positioning hole 202 .
[0054] The embodiment of the present utility model does not limit the specific connection structure of the first pin 402 and the second pin 403. As long as the structure meets the use requirements of the present utility model, it is within the protection scope of the present utility model.
[0055] As one embodiment, in the spindle nut removal tool disclosed in the embodiment of the present invention, a mounting groove may be opened along the axial direction of the first pin 402, and the second pin 403 may be arranged in the mounting groove.
[0056] Of course, as another embodiment, the second pin 403 may also be disposed on the end surface of the first pin 402 .
[0057] As a further example, please refer to Figure 4 The spindle nut removal tool disclosed in the embodiment of the present invention further includes a flange removal portion 300 , wherein the flange removal portion 300 is arranged at the other end of the removal tool body 100 .
[0058] Specifically, the flange removal portion 300 includes a base 301 and a protrusion 302 disposed on the base 301. The protrusion 302 is provided with a pin hole 303, into which a pin that mates with the flange is installed. With this arrangement, the spindle nut removal tool can remove the spindle nut at one end and the flange at the other.
[0059] Finally, it should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprises" or any other variation thereof is intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0060] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.
[0061] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A spindle nut removal tool, characterized in that: It includes a tool body, a spindle nut disassembly part and a positioning pin, wherein the spindle nut disassembly part is provided at one end of the tool body; At least two first positioning holes and two second positioning holes are provided on the spindle nut disassembly portion, and the distance between the two first positioning holes is different from the distance between the two second positioning holes; There are at least four positioning pins, which are installed in the first positioning hole and the second positioning hole in a one-to-one correspondence. The positioning pins can automatically extend and retract in the first positioning hole and the second positioning hole.
2. The spindle nut removal tool according to claim 1, characterized in that: A line connecting the two first positioning holes and a line connecting the two second positioning holes both pass through the center of the spindle nut disassembly portion; An included angle between a line connecting two of the first positioning holes and a line connecting two of the second positioning holes is 50°-80°.
3. The spindle nut removal tool according to claim 2, characterized in that: An included angle between a line connecting the first positioning holes and a line connecting the two second positioning holes is 60°.
4. The spindle nut removal tool according to claim 1, characterized in that: Elastic members are provided in both the first positioning hole and the second positioning hole, and the bottom end surface of the positioning pin can contact the elastic members.
5. The spindle nut removal tool according to claim 4, characterized in that: The elastic member is a spring.
6. The spindle nut removal tool according to claim 5, characterized in that: It also includes a spring sleeve, which is sleeved on the spring.
7. The spindle nut removal tool according to claim 4, characterized in that: The positioning pin includes a base, a first pin and a second pin, wherein the first pin is arranged on the base, the second pin is arranged on the first pin, and the elastic member can contact the base; The base, the first pin and the second pin are all columnar structures. The diameters of the base, the first pin and the second pin decrease successively. The second pin cooperates with the first positioning hole or the second positioning hole.
8. The spindle nut removal tool according to claim 7, characterized in that: A mounting groove is provided along the axial direction of the first pin, and the second pin is arranged in the mounting groove, or the second pin is arranged on the end surface of the first pin.
9. The spindle nut removal tool according to claim 1, characterized in that: It also includes a flange disassembly portion, which is arranged at the other end of the tool body.
10. The spindle nut removal tool according to claim 9, characterized in that: The flange disassembly portion includes a base and a protrusion arranged on the base, the protrusion is provided with a pin hole, and a pin column that matches the flange is installed in the pin hole.