NC machining center clamp tool
By adopting the base design in the NC machining center fixture tool, combining the bidirectional screw and electric push rod, the positioning clamping and height adjustment of the workpiece is achieved, the problem of clamping position offset is solved, and the processing effect and the practicality of the device is improved. sex.
Patent Information
- Application Number
- CN202420464054.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-11
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-03-11
AI Technical Summary
The existing NC machining center fixtures are prone to positional offset when clamping workpieces, which affects the processing effect.
Adopting a base design, including a moving groove and a bidirectional screw, combined with electric push rod and slider, the positioning clamping and height adjustment of the workpiece is achieved. Through the cooperation of the bidirectional screw and slider, the workpiece is ensured to be centered and fixed clamped. and adjust the clamping height with an electric push rod.
It improves the clamping effect of the workpiece and the practicality of the device, ensures stable clamping and flexible adjustment of the workpiece, reduces clamping position offset, and improves the processing effect.
Smart Images
Figure CN222199652U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of numerical control equipment, and in particular to a fixture for an NC machining center. Background Art
[0002] For example, the Chinese utility model patent with announcement number CN219094417U discloses a fixture for CNC machine tool processing center, which mainly relates to the field of CNC equipment. A fixture for CNC machine tool processing center includes a base, a first clamp body is fixedly arranged on the top of the base, a second clamp body is arranged outside the first clamp body, a side surface of the first clamp body is provided with a stepped through hole and a first guide hole, a handle is arranged on the other side surface of the first clamp body, a spring is arranged inside the stepped through hole, a side surface of the second clamp body close to the first clamp body is provided with a placement hole and a second guide hole, a connecting rod is arranged between the stepped through hole and the placement hole, and a guide rod is arranged between the first guide hole and the second guide hole. The beneficial effects of the utility model are: the utility model has a simple structure, and can better limit the displacement of the workpiece after installation; by replacing connecting rods of different models, the range of motion of the clamp body can be changed to adapt to workpieces of different thicknesses; each part of the fixture can be disassembled and replaced separately, which is convenient for maintenance;
[0003] With respect to the above-mentioned related technologies, the inventors believe that when the fixture in the related technologies clamps the workpiece, the position of the workpiece clamping is easily offset, which can easily affect the processing effect of the workpiece.
[0004] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content
[0005] In order to solve the problem in the related art that when a fixture is used to clamp a workpiece, the clamping position of the workpiece is easily offset, which easily affects the processing effect of the workpiece, the present application provides a fixture for an NC machining center.
[0006] The NC machining center fixture provided in this application adopts the following technical solution:
[0007] A NC machining center fixture tooling includes a base, a movable groove is symmetrically opened on the top of the base along its length, a first bidirectional screw is rotatably arranged inside the movable groove, both ends of the first bidirectional screw are threadedly connected to a movable block, an electric push rod is fixedly installed inside the top of the movable block, a clamping seat is fixedly connected to the top of the electric push rod, and a slide groove is symmetrically opened on the top of the base along its width, a second bidirectional screw is rotatably arranged inside the slide groove, and a slider is threadedly connected to the outer side of the second bidirectional screw.
[0008] Preferably, guide grooves are provided on both sides of the top of the moving block and the bottom of the clamping seat is fixedly mounted with guide columns matching the guide grooves.
[0009] Preferably, the ends of the first bidirectional screw rod and the second bidirectional screw rod are fixedly connected to a turntable, and a plurality of anti-slip grooves are provided in the circumferential direction of the turntable.
[0010] Preferably, a mounting plate is fixedly connected to the bottom of the base by bolts, and mounting holes are provided at four corners of the mounting plate.
[0011] Preferably, a plurality of balls are rotatably provided at the proximal ends of the two sliders.
[0012] In summary, this application includes the following beneficial technical effects:
[0013] 1. The present application provides a sliding groove symmetrically in the width direction of the base, and is provided with a second bidirectional screw and a slider, so that the sliders can be pushed closer to each other by rotating the second bidirectional screw to center the workpiece, and then the first bidirectional screw is rotated to push the clamping seat to fix and clamp the workpiece; compared with the prior art, the present application can realize the positioning and clamping of the workpiece, and improve the clamping effect of the workpiece;
[0014] 2. The present application installs an electric push rod inside the moving block, and cooperates with a guide groove and a guide column, so that by starting the electric push rod, the electric push rod can push the clamping seat to move up and down, thereby adjusting the clamping height of the workpiece, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application;
[0016] Figure 2 It is a structural schematic diagram of a base of an application embodiment;
[0017] Figure 3 It is a schematic diagram of the half-section structure of the moving block and the clamping seat of the embodiment of the application.
[0018] Explanation of the reference numerals: 1. Mounting plate; 11. Mounting hole; 2. Base; 21. Moving groove; 22. Slide groove; 3. First bidirectional screw; 4. Moving block; 41. Electric push rod; 42. Guide groove; 5. Clamping seat; 51. Guide column; 6. Second bidirectional screw; 7. Sliding block; 71. Ball. DETAILED DESCRIPTION
[0019] The following is combined with Figure 1-3 This application is described in further detail.
[0020] The present application embodiment discloses a NC machining center fixture. Figure 1-3 A NC machining center fixture includes a base 2, a moving groove 21 is symmetrically opened on the top of the base 2 along its length, a first bidirectional screw rod 3 is rotatably arranged inside the moving groove 21, both ends of the first bidirectional screw rod 3 are threadedly connected to a moving block 4, an electric push rod 41 is fixedly installed inside the top of the moving block 4, a clamping seat 5 is fixedly connected to the top of the electric push rod 41, and a slide groove 22 is symmetrically opened on the top of the base 2 along its width, a second bidirectional screw rod 6 is rotatably arranged inside the slide groove 22, and a slider 7 is threadedly connected to the outer side of the second bidirectional screw rod 6.
[0021] Here, by rotating the first bidirectional screw rod 3, the first bidirectional screw rod 3 can push the two moving blocks 4 closer to each other, adjust the distance between the two clamping seats 5, and then place the workpiece to be clamped on the two clamping seats 5, and then rotate the second bidirectional screw rod 6, the second bidirectional screw rod 6 can push the two sliders 7 closer to each other, so that the workpiece to be clamped can be initially limited, and then the first bidirectional screw rod 3 is rotated again, so that the clamping seat 5 can fix the workpiece, and then the electric push rod 41 can be started, and the electric push rod 41 can push the clamping seat 5 to move up and down, so that the clamping height of the workpiece can be adjusted.
[0022] Reference Figure 3 The top of the moving block 4 is located on both sides of the electric push rod 41 and is provided with guide grooves 42 , and the bottom of the clamping seat 5 is fixedly installed with guide columns 51 that match the guide grooves 42 .
[0023] Here, the guide groove 42 and the guide column 51 are provided so as to guide the movement of the clamping seat 5 .
[0024] Reference Figure 1 The ends of the first bidirectional screw rod 3 and the second bidirectional screw rod 6 are fixedly connected to a turntable, and a plurality of anti-slip grooves 22 are opened in the circumferential direction of the turntable.
[0025] Here, a turntable is provided and an anti-slip groove 22 is provided, so that the first bidirectional screw rod 3 and the second bidirectional screw rod 6 can be driven to rotate.
[0026] Reference Figure 1 The bottom of the base 2 is fixedly connected with a mounting plate 1 by bolts, and mounting holes 11 are opened at the four corners of the mounting plate 1.
[0027] Here, the mounting plate 1 is provided and the mounting hole 11 is opened, so that the base 2 can be fixedly installed on the machine tool.
[0028] Reference Figure 1 A plurality of balls 71 are rotatably arranged at the near ends of the two sliders 7 .
[0029] Here, by providing the ball bearings 71, the friction between the slider 7 and the workpiece can be reduced.
[0030] The implementation principle of a NC machining center fixture tooling of the embodiment of the present application is: when in use, the device can be fixedly installed at the specified position of the machine tool through the mounting hole 11 on the mounting plate 1, and then the first bidirectional screw rod 3 is rotated, the first bidirectional screw rod 3 can push the two moving blocks 4 and the two clamping seats 5 to approach each other, and the workpiece to be clamped is placed on the clamping seat 5, and the second bidirectional screw rod 6 is rotated, the second bidirectional screw rod 6 can push the two sliding blocks 7 to approach each other to limit the workpiece, and then the first bidirectional screw rod 3 is rotated again, the first bidirectional screw rod 3 can push the clamping seat 5 to fix and clamp the workpiece, and realize the centering clamping of the workpiece, and then by starting the electric push rod 41, the electric push rod 41 can push the clamping seat 5 to move up and down, so that the clamping height of the workpiece can be adjusted, thereby improving the practicability of the device.
[0031] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;
[0032] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;
[0033] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
[0034] 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 fixture for an NC machining center, comprising a base (2), characterized in that: The top of the base (2) is symmetrically provided with a moving groove (21) along its length, a first bidirectional screw rod (3) is rotatably arranged inside the moving groove (21), both ends of the first bidirectional screw rod (3) are threadedly connected to a moving block (4), an electric push rod (41) is fixedly installed inside the top of the moving block (4), the top of the electric push rod (41) is fixedly connected to a clamping seat (5), and the top of the base (2) is symmetrically provided with a sliding groove (22) along its width, a second bidirectional screw rod (6) is rotatably arranged inside the sliding groove (22), and a slider (7) is threadedly connected to the outer side of the second bidirectional screw rod (6).
2. The NC machining center fixture according to claim 1, characterized in that: The top of the moving block (4) is provided with guide grooves (42) on both sides of the electric push rod (41), and the bottom of the clamping seat (5) is fixedly installed with guide columns (51) that match the guide grooves (42).
3. The NC machining center fixture according to claim 1, characterized in that: The ends of the first bidirectional screw rod (3) and the second bidirectional screw rod (6) are both fixedly connected to a rotating disk, and a plurality of anti-slip grooves (22) are provided in the circumferential direction of the rotating disk.
4. The NC machining center fixture according to claim 1, characterized in that: The bottom of the base (2) is fixedly connected to a mounting plate (1) via bolts, and mounting holes (11) are provided at the four corners of the mounting plate (1).
5. The NC machining center fixture according to claim 1, characterized in that: A plurality of balls (71) are rotatably arranged at the proximal ends of the two sliding blocks (7).