Multi-procedure machining tool for center frame base
By designing a multi-process machining fixture that includes a base plate, a fixing plate, a fixing box, side plates, and an electric telescopic rod, the problem of inconvenient fixing and clamping of the center frame base was solved, realizing convenient multi-directional clamping and adapting to the needs of different types of center frame bases, thus improving processing efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGXIA QIAOFENG MASCH MFG CO LTD
- Filing Date
- 2025-03-25
- Publication Date
- 2026-04-21
AI Technical Summary
In the existing technology, the fixing and clamping of the center frame base is inconvenient, it is difficult to clamp and replace it in multiple positions, and it cannot adapt to different types of center frame bases.
A multi-process machining fixture was designed, which includes components such as a base plate, a fixing plate, a fixing box, a side plate, an electric telescopic rod, and a fixing cylinder. By combining the electric telescopic rod and the fixing plate, the center frame base can be conveniently fixed and clamped in multiple directions.
It enables convenient fixing and multi-directional clamping of the center frame base, facilitates easy replacement, adapts to different types of center frame base requirements, and improves processing efficiency.
Smart Images

Figure CN224143523U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of CNC lathes, specifically a multi-process machining fixture for a center rest base. Background Technology
[0002] CNC lathes are among the most widely used CNC machine tools. They are mainly used for cutting and machining the inner and outer cylindrical surfaces, inner and outer conical surfaces with arbitrary cone angles, complex rotating inner and outer curved surfaces, and cylindrical and conical threads of shaft or disc parts. They can also perform grooving, drilling, reaming, boring, and other machining operations.
[0003] CNC machine tools automatically process parts according to a pre-programmed machining program. We compile the machining process route, process parameters, tool movement trajectory, displacement, cutting parameters, and auxiliary functions into a machining program sheet according to the instruction codes and program format specified by the CNC machine tool. The contents of this program sheet are then recorded on a control medium and input into the CNC device of the CNC machine tool, thereby directing the machine tool to process the parts.
[0004] In the manufacturing process of CNC machine tools, it is necessary to process the center support base of the CNC lathe so that the center support base of the CNC machine tool can be better adapted. Therefore, a multi-process machining fixture for the center support base is proposed. Utility Model Content
[0005] Technical problems to be solved
[0006] To address the shortcomings of existing technologies, this utility model provides a multi-process machining fixture for center frame bases, which can conveniently fix and clamp the center frame bases, and can also conveniently clamp and replace the center frame bases from multiple directions. Furthermore, it can clamp and install different types of center frame bases within a certain size range.
[0007] Technical solution
[0008] To achieve the above objectives, this utility model provides the following technical solution:
[0009] A multi-process machining fixture for a central frame base includes a base plate, a fixing plate, a fixing box, side plates, a set of first electric telescopic rods, two sets of electric telescopic rods, and a first fixing cylinder. It further includes: a fixing plate installed at the center of the upper end face of the base plate, with support plates at both ends of the fixing plate; fixing boxes at both ends of the upper end face of the base plate; side plates fixedly installed at the rear sides of both ends of the left and right end faces of the base plate; a set of first electric telescopic rods fixedly installed at both ends of the front side of the upper end face of the base plate; two sets of electric telescopic rods fixedly installed at the center of the inner side of the set of first electric telescopic rods; and a first fixing cylinder fixedly installed at the front side of the cut-off face of the base plate.
[0010] As a preferred embodiment of this utility model, a first fixing bolt is provided through the middle of the support plate, and a first fixing piece is attached to the end face of the first fixing bolt away from the vertical central axis of the fixing plate.
[0011] As a preferred embodiment of this utility model, a spring is installed on the inner side of the fixing box, and a connecting rod is fixedly provided on the upper end face of the spring. The connecting rod forms a sliding structure inside the fixing box through the spring, and the spring and the connecting rod are provided at equal intervals on the inner side of the fixing box.
[0012] As a preferred embodiment of this utility model, a second fixing bolt is installed through the middle of the side plate, and a second fixing piece is attached to one end of the second fixing bolt near the vertical central axis of the bottom plate.
[0013] As a preferred embodiment of this utility model, a first connecting block is installed at the output end of the first set of electric telescopic rods, and a first connecting plate is installed on the outer side of the first connecting block, and a first connecting bolt is connected to the inner side of the first connecting block. A second set of electric telescopic rods is installed on the side of the first set of electric telescopic rods near the vertical central axis of the base plate. The first connecting block and the first connecting plate are connected by a snap-fit method, and the first connecting block and the first connecting bolt are connected by a threaded band method. The first connecting plate and the second set of electric telescopic rods are connected by a close fit method.
[0014] As a preferred embodiment of this utility model, the output ends of the two sets of electric telescopic rods are equipped with second connecting blocks, and the outer side of the second connecting blocks is equipped with a second connecting plate, and the inner side of the second connecting blocks is connected with a second connecting bolt.
[0015] As a preferred embodiment of the present invention, a second fixed cylinder is installed on the inner side of the first fixed cylinder, and a rotating bolt is provided through the upper end of the first fixed cylinder, and a rotating shaft is installed on the outer rear end of the rotating bolt. The first fixed cylinder and the second fixed cylinder are connected in a sliding manner, and both the first fixed cylinder and the second fixed cylinder are connected to the rotating bolt by a plug-in manner, and the rotating bolt and the rotating shaft are connected by a thread.
[0016] As a preferred embodiment of this utility model, the support plate, fixing box, side plate, a set of first electric telescopic rods, a set of second electric telescopic rods, two sets of electric telescopic rods and the first fixing cylinder are all arranged symmetrically on the left and right sides based on the vertical central axis of the base plate.
[0017] As a preferred technical solution of this utility model, the support plate and the first fixing bolt are connected by threads, and the first fixing bolt and the first fixing piece form an integrated structure, and the first fixing piece is made of rubber.
[0018] Beneficial effects
[0019] Compared with the prior art, this utility model provides a multi-process machining fixture for a center frame base, which has the following beneficial effects:
[0020] This multi-process machining fixture for a center frame base allows for convenient fixing and clamping of the center frame base via a first connecting plate, a second connecting plate, and a second fixing cylinder. Furthermore, the first fixing plate, the second fixing plate, and the connecting rod enable convenient clamping and replacement of the center frame base from multiple directional positions. Attached Figure Description
[0021] Figure 1 This is a frontal cross-sectional view of the present invention.
[0022] Figure 2 This is a side view sectional structural diagram of the present invention;
[0023] Figure 3 This is a top view cross-sectional structural diagram of the present invention;
[0024] Figure 4 This utility model Figure 2 Enlarged structural diagram at point A in the middle;
[0025] Figure 5 This is a schematic diagram of the cross-sectional structure of the spring and connecting rod connection of this utility model;
[0026] Figure 6 This is a schematic cross-sectional view of the connection between the second connecting block and the second connecting plate of this utility model.
[0027] Figure 7 This is a schematic diagram of the cross-sectional structure of the connection between the first connecting block and the first connecting plate of this utility model.
[0028] In the diagram: 1. Base plate; 2. Fixing plate; 3. Support plate; 4. First fixing bolt; 5. First fixing piece; 6. Fixing box; 7. Spring; 8. Connecting rod; 9. Side plate; 10. Second fixing bolt; 11. Second fixing piece; 12. A set of first electric telescopic rods; 13. First connecting block; 14. First connecting plate; 15. First connecting bolt; 16. A set of second electric telescopic rods; 17. Two sets of electric telescopic rods; 18. Second connecting block; 19. Second connecting plate; 20. Second connecting bolt; 21. First fixing cylinder; 22. Second fixing cylinder; 23. Rotating bolt; 24. Rotating shaft. Detailed Implementation
[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0030] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0031] Please see Figure 1-7 This utility model provides a technical solution including a base plate 1, a fixing plate 2, a fixing box 6, a side plate 9, a set of first electric telescopic rods 12, two sets of electric telescopic rods 17, and a first fixing cylinder 21. Support plates 3 are provided at both ends of the fixing plate 2. The fixing plate 2 is used to fix and support the support plates 3. The support plates 3 are used to fix and support the inner side of external components on the side. The fixing box 6 is used to support and fix the bottom of the external components on the side. The side plate 9 is used to support and fix the outer side of the external components on the side. The set of first electric telescopic rods 12, the two sets of electric telescopic rods 17, and the first fixing cylinder 21 fix and support the front of the external components.
[0032] In this embodiment, please refer to Figure 1 . Figure 2 and Figure 3 A first fixing bolt 4 is provided through the middle of the support plate 3, and a first fixing piece 5 is attached to the end face of the first fixing bolt 4 away from the vertical central axis of the fixing plate 2. The first fixing bolt 4 moves the first fixing piece 5 left and right by threaded connection with the support plate 3. Because the first fixing piece 5 is made of rubber, it can protect the surface of external parts when clamping them.
[0033] For further details, please refer to Figure 1 . Figure 2 , Figure 3 and Figure 5A spring 7 is installed inside the fixed box 6, and a connecting rod 8 is fixedly installed on the upper end of the spring 7. The connecting rod 8 forms a sliding structure inside the fixed box 6 through the spring 7. The spring 7 and the connecting rod 8 are evenly spaced inside the fixed box 6. The spring 7 drives the connecting rod 8 to form a sliding structure inside the fixed box 6 through its own characteristics. The arc-shaped head at the upper end of the connecting rod 8 can protect the surface of external parts and prevent scratches.
[0034] For further details, please refer to Figure 1 and Figure 2 A second fixing bolt 10 is installed through the middle of the side plate 9, and a second fixing piece 11 is attached to one end of the second fixing bolt 10 near the vertical central axis of the base plate 1. The second fixing bolt 10 moves the second fixing piece 11 left and right by threaded connection with the side plate 9. Because the second fixing piece 11 is made of rubber, it can protect the surface of external parts when clamping them.
[0035] For further details, please refer to Figure 2 , Figure 3 and Figure 7 A first connecting block 13 is installed at the output end of a set of first electric telescopic rods 12, and a first connecting plate 14 is installed on the outer side of the first connecting block 13. A first connecting bolt 15 is connected to the inner side of the first connecting block 13. A set of second electric telescopic rods 16 is installed on the side of the set of first electric telescopic rods 12 near the vertical central axis of the base plate 1. The first connecting block 13 and the first connecting plate 14 are connected by a snap-fit method, and the first connecting block 13 and the first connecting bolt 15 are connected by a threaded band method. The first connecting plate 14 and the set of second electric telescopic rods 16 are connected by a close fit method. The first connecting block 13 moves up and down through the set of first electric telescopic rods 12. The threaded connection between the first connecting block 13 and the first connecting plate 14 can fix the first connecting plate 14, so that the first connecting plate 14 can move up and down with the set of first electric telescopic rods 12. The first connecting plate 14 can clamp external parts.
[0036] For further details, please refer to Figure 2 , Figure 3 , Figure 4 and Figure 6The output ends of the two sets of electric telescopic rods 17 are equipped with second connecting blocks 18, and second connecting plates 19 are installed on the outer side of the second connecting blocks 18. The inner side of the second connecting blocks 18 is connected with a second connecting bolt 20. The second connecting blocks 18 move up and down through the two sets of electric telescopic rods 17. The threaded connection between the second connecting blocks 18 and the second connecting bolt 20 can fix the second connecting plate 19, so that the second connecting plate 19 can move up and down with the two sets of electric telescopic rods 17. The second connecting plate 19 can clamp external parts.
[0037] For further details, please refer to Figure 2 and Figure 3 A second fixed cylinder 22 is installed inside the first fixed cylinder 21, and a rotating bolt 23 is provided through the upper end of the first fixed cylinder 21. A rotating shaft 24 is installed on the outer rear end of the rotating bolt 23. The first fixed cylinder 21 and the second fixed cylinder 22 are connected in a sliding manner, and both the first fixed cylinder 21 and the second fixed cylinder 22 are connected to the rotating bolt 23 by insertion. The rotating bolt 23 and the rotating shaft 24 are connected by threads. The sliding connection of the first fixed cylinder 21 and the second fixed cylinder 22 allows the second fixed cylinder 22 to slide and pull inside the first fixed cylinder 21. The rotating bolt 23 can fix the second fixed cylinder 22 by insertion with the first fixed cylinder 21 and the second fixed cylinder 22. The threaded connection between the rotating bolt 23 and the rotating shaft 24 can prevent the rotating bolt 23 from falling off during fixing.
[0038] Working principle: First, place the base plate 1 in the designated position. When processing the top and bottom surfaces of the part, pass the part under the first connecting plate 14 and above the second connecting plate 19, and place it on the upper surface of the support plate 3. By opening a set of first electric telescopic rods 12 and two sets of electric telescopic rods 17, the first set of first electric telescopic rods 12 moves downward and the two sets of electric telescopic rods 17 move upward, thereby clamping and fixing the top and bottom surfaces of the part with the first connecting plate 14 and the second connecting plate 19. At the same time, adjust the height of the second fixing cylinder 22 inside the first fixing cylinder 21 to support the front end of the part. After adjustment, the second fixing cylinder 22 can be fixed by rotating the bolt 23. Then, when processing the side of the external parts, place the external parts above the connecting rods 8. Multiple sets of connecting rods 8 follow the contour of the outer surface of the part to perform telescopic clamping. Finally, by rotating the first fixing bolt 4 and the second fixing bolt 10 inside the support plate 3 and the side plate 9, the first fixing plate 5 and the second fixing plate 11 fix the part.
[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A center frame base multi-process machining tooling, comprising a bottom plate (1), a fixed plate (2), a fixed box (6), a side plate (9), a group of first electric telescopic rods (12), two groups of electric telescopic rods (17) and a first fixed cylinder (21), characterized in that, Also includes: A fixing plate (2) is installed in the middle of the upper end face of the base plate (1), and a support plate (3) is provided at both the left and right ends of the fixing plate (2). A fixing box (6) is provided on both the left and right sides of the upper end face of the base plate (1). A side plate (9) is fixedly installed on the rear side of both the left and right ends of the base plate (1). A set of first electric telescopic rods (12) is fixedly installed on both the left and right ends of the front side of the upper end face of the base plate (1). Two sets of electric telescopic rods (17) are fixedly installed in the middle of the inner side of the set of first electric telescopic rods (12). A first fixing cylinder (21) is fixedly installed on the front side of the cut-off face of the base plate (1).
2. A center mount base multi-process machining tooling fixture according to claim 1, wherein: The support plate (3) is provided with a first fixing bolt (4) through the middle, and a first fixing piece (5) is attached to the end face of the first fixing bolt (4) away from the vertical central axis of the fixing plate (2).
3. The multi-process machining fixture for a center frame base according to claim 1, characterized in that: A spring (7) is installed on the inner side of the fixed box (6), and a connecting rod (8) is fixedly provided on the upper end face of the spring (7). The connecting rod (8) forms a sliding structure inside the fixed box (6) through the spring (7), and the spring (7) and the connecting rod (8) are provided at equal intervals on the inner side of the fixed box (6).
4. The center mount base multi-process machining tooling of claim 1, wherein: A second fixing bolt (10) is installed through the middle of the side plate (9), and a second fixing piece (11) is pasted on one end face of the second fixing bolt (10) near the vertical central axis of the bottom plate (1).
5. A center mount base multi-process machining tooling fixture according to claim 1, wherein: The output end of the first set of electric telescopic rods (12) is equipped with a first connecting block (13), and a first connecting plate (14) is installed on the outside of the first connecting block (13). A first connecting bolt (15) is connected to the inside of the first connecting block (13). A set of second electric telescopic rods (16) is installed on the side of the first set of electric telescopic rods (12) near the vertical central axis of the base plate (1). The first connecting block (13) and the first connecting plate (14) are connected by a snap-fit method, and the first connecting block (13) and the first connecting bolt (15) are connected by a threaded band method. The first connecting plate (14) and the set of second electric telescopic rods (16) are connected by a close fit method.
6. A center mount base multi-process machining tooling fixture according to claim 1, wherein: The output ends of the two sets of electric telescopic rods (17) are equipped with a second connecting block (18), and a second connecting plate (19) is installed on the outside of the second connecting block (18), and a second connecting bolt (20) is connected to the inside of the second connecting block (18).
7. A center mount base multi-process machining tooling fixture according to claim 1, wherein: The inner side of the first fixed cylinder (21) is equipped with a second fixed cylinder (22), and a rotating bolt (23) is provided through the upper end of the first fixed cylinder (21). A rotating shaft (24) is installed on the outer side of the rear end of the rotating bolt (23). The first fixed cylinder (21) and the second fixed cylinder (22) are connected in a sliding manner. The first fixed cylinder (21) and the second fixed cylinder (22) are both connected to the rotating bolt (23) by plugging. The rotating bolt (23) and the rotating shaft (24) are connected by threads.
8. A center mount base multi-process machining tooling fixture according to claim 1, wherein: The support plate (3), the fixing box (6), the side plate (9), a set of first electric telescopic rods (12), a set of second electric telescopic rods (16), two sets of electric telescopic rods (17) and the first fixing cylinder (21) are all arranged symmetrically on the left and right sides based on the vertical central axis of the base plate (1).
9. The multi-process machining fixture for a center frame base according to claim 2, characterized in that: The support plate (3) and the first fixing bolt (4) are connected by threads, and the first fixing bolt (4) and the first fixing piece (5) form an integrated structure, and the first fixing piece (5) is made of rubber.