Grinding tool for inner diameter and outer diameter of numerically controlled lathe
By designing inner and outer diameter grinding tooling on CNC lathes, grinding is done by contacting the outer diameter or inner diameter surface of the belt pulley, the problems of low tool processing accuracy and easy wear are solved, and more efficient and economical processing effects are achieved.
Patent Information
- Application Number
- CN202421486968.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-06-27
AI Technical Summary
In the prior art, when the grooves are processed on the belt pulleys by the tool, the accuracy is low and the tool is prone to wear, affecting the processing work.
A CNC lathe inner and outer diameter grinding tool is designed, using a combination of base, cutter head, fixture and oil stone. The movement of the base drives the movement of the cutter head, fixture and oil stone, so that the oil stone contacts the outer diameter or inner diameter surface of the belt pulley for grinding.
It improves the processing accuracy of grooves, extends the service life of oil and stone, has a low cost, and is convenient for the processing of belt pulleys.
Smart Images

Figure CN222768117U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of grinding tools, and in particular to an inner and outer diameter grinding tool for a CNC lathe. Background Art
[0002] The front wheel system of the automobile engine includes a belt pulley, on which a groove is coaxially arranged. The surface of the groove close to the axis of the belt pulley is called the outer diameter surface, the surface of the groove away from the axis of the belt pulley is called the inner diameter surface, and the surface between the inner diameter surface and the outer diameter surface is called the end surface. In the actual production process, the groove needs to be machined on the belt pulley by a tool.
[0003] The above-mentioned related technologies have the following defects: after the groove is machined on the belt pulley by a tool, the precision of the machined groove is low, and the tool is easily worn, which affects the processing of the belt pulley. Utility Model Content
[0004] In order to improve the problem of low precision of grooves machined by a tool, the present application provides an inner and outer diameter grinding tool for a CNC lathe.
[0005] The present application provides a CNC lathe inner and outer diameter grinding tooling adopts the following technical solution:
[0006] A tool for grinding inner and outer diameters of a CNC lathe comprises a base, a cutter head is arranged on the base, an embedding groove is opened on one side of the end of the base, the cutter head is embedded in the embedding groove, a fixture is arranged on the cutter head, the fixture and the cutter head slide relative to each other, an oil stone is arranged on the fixture, and the oil stone is used for grinding the outer diameter surface and the inner diameter surface.
[0007] By adopting the above technical solution, when it is necessary to process the groove on the belt pulley, the base is moved so that one end of the base extends into the groove, the movement of the base can drive the movement of the cutter head, the movement of the cutter head can drive the movement of the fixture, and the movement of the fixture can drive the movement of the oilstone, so that the oilstone contacts the outer diameter surface or the inner diameter surface, thereby processing the belt pulley. Compared with processing by means of a tool, processing by means of an oilstone can improve the processing accuracy of the groove, and the oilstone is not easily damaged, the cost is low, and the processing of the belt pulley is convenient.
[0008] Preferably, a sliding groove is provided on the cutter head, the clamp is located in the sliding groove and slides, an elastic member is provided in the cutter head, the elastic member is used to control the sliding of the clamp, and a first limiting hole is provided on the clamp, and the first limiting hole is for an oil stone to be embedded.
[0009] By adopting the above technical solution, the first limiting hole can limit the oilstone, which is convenient for positioning the oilstone and the clamp; the elastic member can exert force on the clamp to make the clamp slide in the sliding groove, and the sliding of the clamp can drive the movement of the oilstone, which is convenient for the oilstone to grind the outer diameter surface and the inner diameter surface.
[0010] Preferably, the elastic member is a spring, one end of the spring is fixedly connected to the bottom of the sliding slot, and the other end of the spring is fixedly connected to a clamp located on one side of the sliding slot.
[0011] By adopting the above technical solution, the spring can apply thrust to the clamp, so that the clamp moves away from the bottom of the sliding groove, thereby moving the oilstone away from the bottom of the sliding groove, making it easier for the oilstone to grind the outer diameter surface and the inner diameter surface.
[0012] Preferably, a threaded hole is provided on the clamp, the threaded hole is communicated with the first limiting hole, and the threaded hole is for a bolt to be screwed into.
[0013] By adopting the above technical solution, after the oilstone is placed in the first limiting hole, the operator can screw the bolt into the threaded hole, and screw the bolt until it abuts against the oilstone, so that the oilstone is positioned in the first limiting hole, which facilitates the movement of the oilstone driven by the clamp.
[0014] Preferably, a baffle is provided on the cutter head, the clamp can be moved to fit with the lower end of the baffle, a second limiting hole is opened on the baffle, the hole wall of the second limiting hole fits with the oilstone, and the oilstone extends out of the second limiting hole on the side away from the clamp.
[0015] By adopting the above technical solution, the baffle can limit the movement of the clamp, and the second limiting hole can further limit the oilstone, thereby improving the stability of the oilstone, reducing the possibility of the oilstone shifting, and facilitating the grinding work of the oilstone.
[0016] Preferably, the cutter head and the base are detachably connected, and the baffle and the cutter head are detachably connected.
[0017] By adopting the above technical solution, the operator can install the cutter head on the base to facilitate the installation of the oilstone, and can also disassemble the cutter head and the base to facilitate the storage of the cutter head; the operator can install the baffle on the cutter head to facilitate the baffle to further limit the oilstone.
[0018] Preferably, the cutter head is provided with a first bolt, and the first bolt passes through the cutter head and is threadedly connected to the bottom of the groove of the embedding groove.
[0019] By adopting the above technical solution, when the cutter head needs to be installed, the cutter head is moved so that the cutter head is placed in the embedding groove, and then the first bolt is screwed in so that the first bolt passes through the cutter head and the bottom of the embedding groove to be threadedly connected. The first bolt can limit the cutter head and fix the cutter head and the base, thereby realizing the installation of the cutter head.
[0020] Preferably, a second bolt is provided on the baffle plate, and the second bolt passes through the baffle plate and is threadedly connected to the cutter head.
[0021] By adopting the above technical solution, when the baffle needs to be installed, the baffle is moved to a suitable position. At this time, the oil stone is located in the second limiting hole. Then, the second bolt is screwed in so that the second bolt passes through the baffle and the cutter head threaded connection. The second bolt can limit the baffle and fix the baffle and the cutter head, thereby realizing the installation of the baffle.
[0022] In summary, the present application includes at least one of the following beneficial technical effects:
[0023] 1. Through the arrangement of the base, the cutter head, the fixture and the oil stone, when it is necessary to process the groove on the belt pulley, the base is moved so that one end of the base extends into the groove, the movement of the base can drive the movement of the cutter head, the movement of the cutter head can drive the movement of the fixture, and the movement of the fixture can drive the movement of the oil stone, so that the oil stone contacts the outer diameter surface or the inner diameter surface, thereby processing the belt pulley. Compared with processing by a tool, processing by an oil stone can improve the processing accuracy of the groove, and the oil stone is not easy to be damaged, the cost is low, and it is convenient for processing the belt pulley;
[0024] 2. Through the arrangement of the first limiting hole and the elastic member, the first limiting hole can limit the oilstone, which is convenient for positioning the oilstone and the fixture; the elastic member can exert a force on the fixture, so that the fixture slides in the sliding groove, and the sliding of the fixture can drive the movement of the oilstone, which is convenient for the oilstone to grind the outer diameter surface and the inner diameter surface;
[0025] 3. Through the setting of the baffle and the second limiting hole, the baffle can limit the movement of the clamp, and the second limiting hole can further limit the oilstone, thereby improving the stability of the oilstone, reducing the possibility of the oilstone shifting, and facilitating the grinding work of the oilstone. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a structural schematic diagram used to reflect the contact between the grinding tool and the inner diameter surface in the embodiment of the present application.
[0027] Figure 2 It is a structural schematic diagram used to reflect the outer diameter surface contact of the grinding tool box in the embodiment of the present application.
[0028] Figure 3 It is a schematic diagram of the connection structure of the cutter head, the clamp, the oilstone, the baffle and the base in the embodiment of the present application.
[0029] Figure 4 It is a schematic diagram of the cross-sectional structure used to illustrate the grinding tooling in the embodiment of the present application.
[0030] Figure 5 It is a schematic diagram of the exploded structure of the cutter head and the base in the embodiment of the present application.
[0031] Figure 6It is a schematic diagram of the exploded structure of the oil head and the clamp in the embodiment of the present application.
[0032] Figure 7 It is a schematic diagram of the overall structure of the baffle and the cutter head in the embodiment of the present application.
[0033] Explanation of the accompanying drawings: 1. base; 11. embedding groove; 2. cutter head; 21. sliding groove; 22. spring; 23. first bolt; 3. clamp; 31. first limiting hole; 32. threaded hole; 4. oilstone; 5. baffle; 51. second limiting hole; 52. second bolt; 6. belt pulley; 61. outer diameter surface; 62. inner diameter surface. DETAILED DESCRIPTION
[0034] The following is combined with Figure 1-7 This application is described in further detail.
[0035] The present application embodiment discloses a CNC lathe inner and outer diameter grinding tool, such as Figure 1 and 2 As shown, it includes a base 1, one end of the base 1 extends into the groove of the belt pulley 6, and an oil stone 4 is provided on one side of the end of the base 1 extending into the groove of the belt pulley 6, and the oil stone 4 is used to grind the outer diameter surface 61 and the inner diameter surface 62. In actual operation, the operator moves the base 1 so that the base 1 drives the oil stone 4 to enter the groove of the belt pulley 6, and then the belt pulley 6 is rotated by the CNC lathe, and the oil stone 4 can grind the outer diameter surface 61 and the inner diameter surface 62.
[0036] like Figure 3 and 4 As shown, a cutter head 2 is detachably connected to the base 1, a fixture 3 is relatively slidably provided on the cutter head 2, a sliding groove 21 is provided on the cutter head 2, and the fixture 3 is located in the sliding groove 21 and slides; an elastic member is provided in the cutter head 2, and the elastic member is a spring 22, one end of the spring 22 is fixedly connected to the bottom of the sliding groove 21, and the other end is fixedly connected to the fixture 3 on one side of the sliding groove 21. Under natural conditions, the elastic member can apply a thrust to the fixture 3 to move the fixture 3 away from the bottom of the sliding groove 21, and the oilstone 4 and the fixture 3 are detachably connected. In actual operation, the operator can install the cutter head 2 on the base 1, and the installation of the cutter head 2 can install the fixture 3 on the base 1, and then install the oilstone 4 on the fixture 3, and then move the base 1, so that the base 1 drives the oilstone 4 to move, so that the oilstone 4 contacts the outer diameter surface 61 or the inner diameter surface 62, and grinds the outer diameter surface 61 and the inner diameter surface 62. The oilstone 4 will be worn out during grinding. At this time, the spring 22 continuously applies force to the clamp 3, so that the clamp 3 moves away from the bottom of the sliding groove 21, thereby moving the oilstone 4 away from the bottom of the sliding groove 21, so that the oilstone 4 can continue to abut against the outer diameter surface 61 or the inner diameter surface 62, thereby facilitating the oilstone 4 to perform grinding.
[0037] like Figure 3 , 4 As shown in FIG. 5 , an embedding groove 11 is provided on one side of the end of the base 1 extending into the groove of the belt pulley 6. The embedding groove 11 is for the cutter head 2 to be embedded. The embedding groove 11 can limit the cutter head 2 so that the cutter head 2 and the base 1 are relatively positioned. A first bolt 23 is provided in the cutter head 2. The first bolt 23 passes through the bottom of the sliding groove 21 and is threadedly connected with the bottom of the embedding groove 11. The first bolt 23 can be rotated to abut against the bottom of the sliding groove 21. When the cutter head 2 needs to be installed, the cutter head 2 is moved to be embedded in the embedding groove 11. The embedding groove 11 can position the cutter head 2 and the base 1 relatively. Then, the first bolt 23 is screwed in. The first bolt 23 passes through the bottom of the sliding groove 21 and is threadedly connected with the bottom of the embedding groove 11. The first bolt 23 is rotated to abut against the bottom of the sliding groove 21. The first bolt 23 can limit the cutter head 2 so that the cutter head 2 is fixed in the embedding groove 11, thereby realizing the fixed installation of the cutter head 2 and the base 1.
[0038] like Figure 4 and 6 As shown, the clamp 3 is provided with a first limiting hole 31, one end of the oilstone 4 extends into the first limiting hole 31, and the other end extends out of the clamp 3. A threaded hole 32 is provided on the side of the clamp 3, and the threaded hole 32 is connected to the first limiting hole 31, and the threaded hole 32 is for the bolt to be screwed in. When the oilstone 4 needs to be installed on the clamp 3, the oilstone 4 is moved so that one end of the oilstone 4 moves into the first limiting hole 31, and then the bolt is completely screwed into the threaded hole 32, and the bolt is rotated until it abuts against the oilstone 4. The bolt can apply a force to the oilstone 4, so that the oilstone 4 is fixed in the first limiting hole 31, thereby realizing the fixed installation of the oilstone 4 and the clamp 3, which is convenient for the clamp 3 to drive the oilstone 4 to move, so as to facilitate the grinding work of the oilstone 4.
[0039] like Figure 3 , 4 As shown in Figure 7, the upper end surface of the cutter head 2 is provided with a baffle 5, the baffle 5 and the cutter head 2 are detachably connected, the baffle 5 and the cutter head 2 are coaxial, and the clamp 3 can be moved to fit with the lower end of the baffle 5; the baffle 5 is provided with a second limiting hole 51, one end of the oilstone 4 extends into the first limiting hole 31, and the other end passes through the second limiting hole 51 and extends out of the baffle 5. The operator installs the baffle 5 on the cutter head 2, the baffle 5 can limit the sliding length of the clamp 3, and the second limiting hole 51 can further limit the oilstone 4, thereby improving the stability of the oilstone 4 and facilitating the grinding work of the oilstone 4.
[0040] like Figure 3 , 4As shown in FIG. 7 , the baffle plate 5 is provided with a second bolt 52, which passes through the baffle plate 5 and is threadedly connected to the cutter head 2, and the second bolt 52 can be rotated to abut against the baffle plate 5. When the baffle plate 5 needs to be installed, the baffle plate 5 is moved so that the baffle plate 5 and the cutter head 2 fit together, and the oilstone 4 is located in the second limiting hole 51, and then the second bolt 52 is screwed in so that the second bolt 52 passes through the baffle plate 5 and is threadedly connected to the cutter head 2. The second bolt 52 can limit the baffle plate 5, so that the baffle plate 5 and the cutter head 2 are fixed, thereby achieving the fixation of the baffle plate 5, facilitating the limiting of the sliding length of the clamp 3, and facilitating the grinding work of the oilstone 4.
[0041] The implementation principle of the inner and outer diameter grinding tooling of a CNC lathe in the embodiment of the present application is as follows:
[0042] During the actual operation, the operator moves the base 1 toward the belt pulley 6 through the CNC lathe, so that one end of the base 1 is located in the groove of the belt pulley 6, and moves the base 1 again so that the base 1 drives the oil stone 4 to contact the outer diameter surface 61 or the inner diameter surface 62, and the belt pulley 6 is rotated by the CNC lathe, so that the oil stone 4 grinds the outer diameter surface 61 or the inner diameter surface 62.
[0043] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A CNC lathe inner and outer diameter grinding tool, characterized in that: The invention comprises a base (1), a cutter head (2) is arranged on the base (1), an embedding groove (11) is provided on one side of the end of the base (1), the embedding groove (11) is for the cutter head (2) to be embedded, a clamp (3) is arranged on the cutter head (2), the clamp (3) and the cutter head (2) slide relative to each other, an oil stone (4) is arranged on the clamp (3), and the oil stone (4) is used for grinding the outer diameter surface (61) and the inner diameter surface (62).
2. The inner and outer diameter grinding tool for a CNC lathe according to claim 1, characterized in that: The cutter head (2) is provided with a sliding groove (21), the clamp (3) is located in the sliding groove (21) and slides, an elastic member is provided in the cutter head (2), the elastic member is used to control the sliding of the clamp (3), and a first limiting hole (31) is provided on the clamp (3), and the first limiting hole (31) is provided for the oil stone (4) to be embedded.
3. The inner and outer diameter grinding tool for a CNC lathe according to claim 2, characterized in that: The elastic member is a spring (22), one end of the spring (22) is fixedly connected to the bottom of the sliding groove (21), and the other end is fixedly connected to a side of the clamp (3) located at the sliding groove (21).
4. The inner and outer diameter grinding tool for a CNC lathe according to claim 2, characterized in that: The clamp (3) is provided with a threaded hole (32), the threaded hole (32) is communicated with the first limiting hole (31), and the threaded hole (32) is for a bolt to be screwed into.
5. The inner and outer diameter grinding tool for a CNC lathe according to claim 2, characterized in that: The cutter head (2) is provided with a baffle (5), the clamp (3) can be moved to fit with the lower end of the baffle (5), a second limiting hole (51) is opened on the baffle (5), the hole wall of the second limiting hole (51) fits with the oilstone (4), and the side of the oilstone (4) away from the clamp (3) extends out of the second limiting hole (51).
6. The inner and outer diameter grinding tool for a CNC lathe according to claim 5, characterized in that: The cutter head (2) and the base (1) are detachably connected, and the baffle (5) and the cutter head (2) are detachably connected.
7. The inner and outer diameter grinding tool for a CNC lathe according to claim 6, characterized in that: The cutter head (2) is provided with a first bolt (23), and the first bolt (23) passes through the cutter head (2) and is threadedly connected to the bottom of the groove of the embedding groove (11).
8. The inner and outer diameter grinding tool for a CNC lathe according to claim 6, characterized in that: The baffle plate (5) is provided with a second bolt (52), and the second bolt (52) passes through the baffle plate (5) and is threadedly connected to the cutter head (2).