Center frame holding clamp machining protection tool
By designing the center frame clamp processing protective tooling, the combined structure of the base, baffle and abutment block is used to solve the scratches and roller wear problems caused by the iron chips being squeezed into the clamp position, achieving effective iron chip blocking and extended service life.
Patent Information
- Application Number
- CN202420157127.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-23
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-01-23
AI Technical Summary
When the existing center frame is bored to process the inner spline shaft, iron chips are easily squeezed into the clamping position between the roller and the outer wall of the inner spline shaft, resulting in scratches on the outer wall of the inner spline shaft and wear of the roller, reducing service life.
A central frame clamp processing protective tool is designed, including a base, a first baffle and a second baffle. By providing abutment block and a locking assembly, the iron chips are blocked from splashing to the clamp position, and the internal spline shafts of different radial sizes are adapted through the removable abutment block.
Effectively prevent iron chips from splashing to the clamping position of the roller and inner spline shaft, prevent scratches and roller wear on the outer wall of the inner spline shaft, extend the service life, and improve the applicability of protective tooling.
Smart Images
Figure CN222627088U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of processing tooling, and in particular to a center frame clamping processing protection tooling. Background Art
[0002] The center stand is an auxiliary processing device used for machining shafts, pipes and other workpieces. It has the functions of shock absorption and preventing the workpiece from bending, and is widely used in CNC machine tools. Especially in permanent magnet motors, the internal spline shaft is one of the most critical parts of the rotor components. When machining the internal spline shaft, the center stand is usually used for boring.
[0003] The existing center frame (including roller) generally uses the roller on the center frame to abut against the outer wall of the inner spline shaft to limit the inner spline shaft in the circumferential direction. Since the clamping position of the roller on the center frame is very close to the processing position when boring the inner spline shaft, and the roller and the outer wall of the inner spline shaft rotate relative to each other, the flying iron chips are easily squeezed in the clamping position between the roller and the outer wall of the inner spline shaft during processing, which is easy to scratch the outer wall of the inner spline shaft that has been processed, and also wear the roller on the center frame, reducing the service life of the roller. Utility Model Content
[0004] In order to improve the problem that iron chips are squeezed in the clamping position and scratch the outer wall of the inner spline shaft and wear the roller, the present application provides a center frame clamping processing protective tooling.
[0005] The present application provides a center frame clamping processing protective tooling, which adopts the following technical solution:
[0006] A center frame clamping processing protective tooling includes a base, a first baffle and a second baffle for preventing iron chips from splashing to the clamping position, the first baffle is arranged on the base, one end of the second baffle is rotatably connected to the first baffle, and a locking assembly is arranged between the first baffle and the second baffle; the first baffle and the second baffle are respectively provided with a clearance groove for the inner spline shaft to pass through.
[0007] Preferably, the first baffle plate and the second baffle plate are respectively provided with abutment blocks for abutting the inner spline shaft at the clearance groove, and the abutment blocks are elastic.
[0008] Preferably, the second baffle is provided with a connecting block, the first baffle is provided with a connecting groove for the connecting block to be plugged in, and the connecting groove is communicated with the giving way groove.
[0009] Preferably, the locking assembly includes a pin shaft passing through the first baffle and the connecting block, and a dovetail pin passing through the pin shaft, the pin shaft includes a pin handle, and the dovetail pin is located at one end of the pin shaft away from the pin handle.
[0010] Preferably, the abutment block is a semi-annular structure.
[0011] Preferably, the abutment block is detachably connected to the first baffle plate or the second baffle plate.
[0012] Preferably, the base is provided with elongated mounting holes, and there are at least two of the mounting holes.
[0013] Preferably, the second baffle is provided with a lifting ring for turning itself over.
[0014] In summary, the present application includes at least one of the following beneficial effects:
[0015] 1. Before processing, the base is installed on the side wall of the center frame through the mounting holes and bolts. After the roller on the center frame clamps the internal spline shaft, the second baffle is rotated to the connection block and inserted into the connection groove. The connection block and the first baffle are locked by the pin shaft and the dovetail pin, so that the abutment block abuts against the outer wall of the internal spline shaft. At this time, the first baffle and the second baffle and the two abutment blocks are all in the middle position between the cutter and the center frame. During processing, iron chips are blocked from splashing to the clamping position of the roller and the internal spline shaft, thereby improving the problem of iron chips scratching the outer wall of the internal spline shaft and wearing the roller;
[0016] 2. When the radial dimension of the processed internal spline shaft changes, remove the abutment block and replace it with a matching abutment block to ensure that iron chips are effectively blocked from splashing to the center frame and the clamping position of the internal spline shaft, thereby improving the applicability of the protective tooling. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the structure of this embodiment of the present application;
[0018] Figure 2 This is the positive intention of this embodiment of the present application.
[0019] Explanation of the reference numerals: 1. base; 11. mounting hole; 2. first baffle; 21. connecting groove; 3. second baffle; 31. connecting block; 4. abutment block; 5. clearance groove; 51. mounting groove; 6. avoidance groove; 7. locking assembly; 71. pin shaft; 711. pin handle; 72. dovetail pin; 8. lifting ring. DETAILED DESCRIPTION
[0020] The following is combined with Figure 1-2 This application is described in further detail.
[0021] The embodiment of the present application discloses a center frame clamp processing protective tooling, referring to Figure 1 and Figure 2The center frame clamping processing protective tooling comprises a base 1, a first baffle 2 installed on the top of the base 1, and a second baffle 3 rotatably connected to one end of the first baffle 2. The first baffle 2 and the second baffle 3 are respectively provided with abutment blocks 4. When in use, the base 1 is installed on the side wall of the center frame to use the first baffle 2, the second baffle 3 and the abutment blocks 4 to prevent iron filings from splashing to the clamping position of the roller and the inner spline shaft.
[0022] Reference Figure 1 and Figure 2 The base 1 and the first baffle 2 are formed in an integral structure. Two mounting holes 11 are provided at the bottom of the base 1 for mounting to the side wall of the center frame. The mounting holes 11 are in a long strip structure so as to adjust the installation position of the protective tooling as a whole on the center frame. During installation, the bolts are passed through the mounting holes 11 and then threadedly connected to the side wall of the center frame to fix the base 1 and the center frame.
[0023] Reference Figure 1 and Figure 2 The first baffle plate 2 is provided with a clearance groove 5, and the second baffle plate 3 is also provided with a clearance groove 5, and the two clearance grooves 5 are provided for the inner spline shaft to be processed to pass through. In addition, due to the opening of the clearance groove 5, the first baffle plate 2 and the second baffle plate 3 are both semi-annular, so that the first baffle plate 2 and the second baffle plate 3 can form a circular ring structure.
[0024] Reference Figure 1 and Figure 2 The inner walls of the two clearance grooves 5 are respectively provided with installation grooves 51 for partial insertion of the abutment blocks 4. During installation, the two abutment blocks 4 are respectively inserted into the installation grooves 51, and the abutment blocks 4 are detachably connected to the first baffle plate 2 or the second baffle plate 3 by screws. When the radial dimension of the internal spline shaft to be processed changes, different abutment blocks 4 can be replaced to ensure that iron chips are effectively blocked from splashing to the clamping position of the center frame and the internal spline shaft, thereby improving the applicability of the protective tooling.
[0025] Reference Figure 1 and Figure 2 It should be noted that the abutment block 4 is a semi-ring structure, which is used to abut the outer wall of the inner spline shaft to adapt to the installation of the inner spline shaft, and at the same time better prevent iron filings from splashing to the clamping position of the roller and the inner spline shaft. In addition, the abutment block 4 is made of nylon material and has a certain elasticity. During processing, the abutment block 4 will not wear the outer wall of the inner spline shaft.
[0026] Reference Figure 1 and Figure 2, connecting blocks 31 are fixed at both ends of the second baffle 3, and connecting grooves 21 communicating with the clearance grooves 5 are respectively provided at both ends of the first baffle 2, and the connecting grooves 21 are plugged into the connecting blocks 31. The second baffle 3 is rotatably connected to the first baffle 2 through one of the connecting blocks 31, and the second baffle 3 is provided with a clearance groove 6 at the connecting block 31 to facilitate the flipping of the second baffle 3. Locking components 7 are respectively provided at both ends of the second baffle 3 and the first baffle 2 for connecting the first baffle 2 and the second baffle 3.
[0027] Reference Figure 1 and Figure 2 The locking assembly 7 includes a pin shaft 71 passing through the first baffle 2 and the connecting block 31, and a dovetail pin 72 passing through one end of the pin shaft 71. The pin shaft 71 includes a pin handle 711, and the pin handle 711 is located at one end of the pin shaft 71. During installation, the pin shaft 71 is limitedly installed by using the pin handle 711 and the dovetail pin 72, so as to realize the locking connection between the first baffle 2 and the second baffle 3.
[0028] Reference Figure 1 and Figure 2 Furthermore, in order to facilitate manual flipping of the second baffle 3 , a lifting ring 8 is installed on the top of the second baffle 3 .
[0029] The implementation principle of a center frame clamping processing protective tooling in the embodiment of the present application is:
[0030] Before processing, the base 1 is first installed on the side wall of the center frame through the mounting holes 11 and bolts, so that the first baffle 2 and the second baffle 3 and the center frame are in a coaxial state, and the second baffle 3 is flipped over to be in an open state; then the inner spline shaft is clamped by the roller on the center frame, and the second baffle 3 is rotated until one of the connecting blocks 31 is inserted into the connecting groove 21, and the connecting block 31 and the first baffle 2 are locked and connected by the pin shaft 71 and the dovetail pin 72; at this time, the two abutment blocks 4 are respectively abutted against the outer wall of the inner spline shaft, and the first baffle 2 and the second baffle 3 and the two abutment blocks 4 are all located in the middle position between the cutter and the center frame. During processing, it can effectively prevent iron chips from splashing to the clamping position of the roller and the inner spline shaft, thereby improving the problem of iron chips scratching the outer wall of the inner spline shaft and wearing the roller.
[0031] 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 center frame clamping processing protective tooling, characterized by: The invention comprises a base (1), a first baffle (2) and a second baffle (3) for preventing iron filings from splashing to a clamping position, wherein the first baffle (2) is arranged on the base (1), one end of the second baffle (3) is rotatably connected to the first baffle (2), and a locking component (7) is arranged between the first baffle (2) and the second baffle (3); and the first baffle (2) and the second baffle (3) are respectively provided with a clearance groove (5) for the inner spline shaft to pass through.
2. The protective tooling for center frame clamping processing according to claim 1 is characterized by: The first baffle plate (2) and the second baffle plate (3) are respectively provided with abutment blocks (4) for abutting against the inner spline shaft at the clearance groove (5), and the abutment blocks (4) are elastic.
3. The protective tooling for center frame clamping processing according to claim 1 is characterized by: The second baffle plate (3) is provided with a connecting block (31), and the first baffle plate (2) is provided with a connecting groove (21) for the connecting block (31) to be plugged in, and the connecting groove (21) is communicated with the clearance groove (5).
4. The protective tooling for center frame clamping processing according to claim 3 is characterized by: The locking assembly (7) comprises a pin shaft (71) penetrating the first baffle (2) and the connecting block (31), and a dovetail pin (72) penetrating the pin shaft (71); the pin shaft (71) comprises a pin handle (711); and the dovetail pin (72) is located at one end of the pin shaft (71) away from the pin handle (711).
5. The protective tooling for center frame clamping processing according to claim 2 is characterized by: The abutment block (4) is in a semi-annular structure.
6. The protective tooling for center frame clamping processing according to claim 2 is characterized by: The abutment block (4) is detachably connected to the first baffle plate (2) or the second baffle plate (3).
7. The protective tooling for center frame clamping processing according to claim 1 is characterized by: The base (1) is provided with long strip-shaped mounting holes (11), and there are at least two of the mounting holes (11).
8. The protective tooling for center frame clamping processing according to claim 1 is characterized by: The second baffle (3) is provided with a lifting ring (8) for turning itself over.