Workpiece clamping mechanism for milling machine

Abstract

The utility model relates to the field of milling machines, and discloses a milling machine workpiece clamping mechanism which comprises a milling machine support, clamping blocks are symmetrically and movably mounted on the upper surface of the milling machine support, fixing frames are symmetrically welded to one sides of the clamping blocks, lead screws are rotatably mounted in the fixing frames, and movable parts are arranged on the outer surfaces, located in the fixing frames, of the lead screws in a sleeving mode. A supporting frame is fixedly installed at the position, corresponding to the fixing frame, of the upper surface of the clamping block, one side of the rotating supporting rod penetrates through the outer portion of the supporting frame to be fixedly connected with a limiting clamping block, a fixing groove is formed in the middle of one end of the rotating supporting rod in a penetrating mode, and the outer surface of the fixing groove is sleeved with a movable block. The clamping blocks are matched with the limiting clamping blocks to abut against the different positions of the outer surface of the workpiece, then the effect that the different positions of the workpiece are conveniently clamped and fixed to a milling machine support is achieved, the overall stability of the clamped workpiece is improved, the problem that the workpiece possibly shakes under milling machine machining is solved, and the machining efficiency is improved. And the overall milling efficiency of the workpiece is improved.

Description

Technical Field

[0001] The present application relates to the field of milling machines, and in particular to a workpiece clamping mechanism for milling machines. Background Art

[0002] Milling machines mainly refer to machine tools that use milling cutters to process various surfaces of workpieces. Usually, the main motion is the rotation of the milling cutter, and the movement of the workpiece and the milling cutter is the feed motion. It can process planes, grooves, various curved surfaces, gears, etc.

[0003] When a milling machine processes a workpiece, the workpiece needs to be clamped and fixed on the base of the milling machine. The existing fixture only clamps and positions the bottom of the workpiece when clamping the workpiece. When the milling machine is milling the upper surface of the workpiece, it may cause the top to move, which in turn causes the workpiece to shake as a whole, reducing the clamping and fixing effect of the workpiece on the milling machine, and also has a certain impact on the overall processing efficiency of the milling machine.

[0004] In view of the above-mentioned related technologies, the inventor believes that the milling machine has the defect of unstable clamping and positioning when processing the workpiece. Therefore, a workpiece clamping mechanism for a milling machine is proposed to solve the above problem. Utility Model Content

[0005] In order to solve the problem of unstable clamping and positioning of a fixture when a milling machine processes a workpiece, the present application provides a workpiece clamping mechanism for a milling machine.

[0006] The present application provides a workpiece clamping mechanism for a milling machine using the following technical solution:

[0007] The camming mechanism according to claim 1, wherein the locking mechanism is located at the bottom of the support frame and the locking mechanism is located at the bottom of the support frame. The locking mechanism comprises a through-hole, a bolt, and a bolt. The two bolts are connected via a through-hole to the locking mechanism, and the two bolts are connected via a through-hole to the locking mechanism. The two bolts are connected via a through-hole to the locking mechanism.

[0008] Preferably, the rotating mechanism includes a sliding groove, which is symmetrically opened in the middle of the top end of the milling machine support, and a movable support plate is rotatably installed in the middle of the bottom end of the clamping block through the sliding groove, a servo motor is installed at the bottom inner of the milling machine support, and a movable plate is installed at the output end of the upper surface of the servo motor, and the top edge of the movable plate is rotatably connected to the bottom edge of the movable support plate.

[0009] Preferably, guide rods are fixedly mounted on the front and rear ends of the upper surface of the milling machine support, through holes are symmetrically opened on one side of the clamping block, the clamping block is movably sleeved on the outer surface of the guide rod, and the guide rod and the through hole are interlocked.

[0010] Preferably, a threaded hole is provided through the middle of one side of the movable part, the outer diameter of the screw rod is smaller than the inner diameter of the threaded hole, and the screw rod and the threaded hole are adapted to each other.

[0011] Preferably, guide grooves are provided at both the front and rear ends of the inner wall of the support frame, and protrusions are welded to the middle of the front and rear ends of the movable block extending to the inside of the guide grooves, and the guide grooves and the protrusions are adapted to each other.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] By placing the workpiece on the upper surface of the milling machine support, rotating the movable plate to drive the movable support plate to move, and then adjusting the two clamping blocks to move along the outer surface of the guide support rod to clamp the workpiece, and at the same time rotating the screw rod to drive the movable part to move along the inside of the fixed frame, adjusting the rotating support rod to move in the support frame, and rotating the threaded rod to make the movable block move along the support frame, adjusting the inclination angle of the rotating support rod, so that the limit clamping block is clamped at different positions on the outer surface of the workpiece; compared with the prior art, this scheme has the effect of facilitating the clamping and fixing of the workpiece at different positions on the milling machine support, improving the overall stability of the workpiece after clamping, solving the problem of possible shaking of the workpiece under milling machine processing, and improving the overall milling processing efficiency of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application;

[0015] Figure 2 It is a structural schematic diagram of the movable plate in the application embodiment;

[0016] Figure 3 It is a schematic diagram of the structure of the limit clamp block in the application embodiment;

[0017] Figure 4 is a schematic diagram of the structure of the rotating support rod in the embodiment of the application;

[0018] Explanation of the reference numerals in the accompanying drawings: 1. milling machine support; 2. guide support rod; 3. clamping block; 4. fixed frame; 5. screw rod; 6. movable part; 7. rotating support rod; 8. supporting frame; 9. limit clamping block; 10. fixed groove; 11. movable block; 12. threaded rod; 13. sliding groove; 14. movable support plate; 15. movable plate; 16. servo motor. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-4This application is described in further detail.

[0020] The present application embodiment discloses a workpiece clamping mechanism for a milling machine. Figure 1-4 A workpiece clamping mechanism for a milling machine comprises a milling machine support 1, a clamping block 3 is symmetrically and movably installed on the upper surface of the milling machine support 1, guide support rods 2 are fixedly installed on the front and rear ends of the upper surface of the milling machine support 1, a through hole is symmetrically opened on one side of the edge of the clamping block 3, the clamping block 3 is movably sleeved on the outer surface of the guide support rod 2, the guide support rod 2 and the through hole are interlocked with each other, a fixed frame 4 is symmetrically welded on one side of the clamping block 3, a screw rod 5 is rotatably installed inside the fixed frame 4, the outer surface of the screw rod 5 is located inside the fixed frame 4 and is sleeved with a movable part 6, a threaded hole is opened in the middle of one side of the movable part 6, the outer diameter of the screw rod 5 is smaller than the inner diameter of the threaded hole, the screw rod 5 and the threaded hole are adapted to each other, and the movable A rotating support rod 7 is hinged at the middle part of the top of the component 6, and a support frame 8 is fixedly installed at the position corresponding to the upper surface of the clamping block 3 and the fixed frame 4. One side of the rotating support rod 7 passes through the outside of the support frame 8 and is fixedly connected to a limited clamp block 9. A fixed groove 10 is opened in the middle of one end of the rotating support rod 7, and a movable block 11 is sleeved on the outer surface of the fixed groove 10. Guide grooves are opened at both ends of the inner wall of the support frame 8. The middle parts of the front and rear ends of the movable block 11 extend to the inside of the guide groove and are welded with protrusions. The guide groove and the protrusion are adapted to each other. The middle part of the top of the movable block 11 extends to the top of the support frame 8 and a threaded rod 12 is rotatably installed. A rotating mechanism is also provided inside the milling machine support 1 for controlling the movement of the clamping block 3.

[0021] By placing the workpiece on the upper surface of the milling machine support 1, the clamping block 3 is movably clamped on both sides of the workpiece along the outer surface of the guide support rod 2, so that the guide support rod 2 guides and supports the movable clamping block 3, thereby keeping the clamping block 3 in a stable state during mobile clamping. At the same time, the rotating screw 5 drives the movable part 6 to move along the inside of the fixed frame 4, so that the movable part 6 pushes the rotating support rod 7 to move along the inside of the support frame 8, and the rotating threaded rod 12 makes the movable block 11 move along the support frame 8, so that the movable block 11 that moves up and down pushes the rotating support rod 7 to rotate, thereby adjusting the inclination angle of the rotating support rod 7 inside the support frame 8, so that the screw 5 cooperates with the threaded rod 12 to further adjust the placement position of the limit clamp 9, so that the limit clamp 9 is clamped at different positions on the outer surface of the workpiece, reflecting the multi-directional clamping effect of the workpiece on the upper surface of the milling machine support 1.

[0022] Reference Figure 1 and Figure 2 The rotating mechanism includes a sliding groove 13, which is symmetrically arranged at the middle of the top of the milling machine support 1. A movable support plate 14 is rotatably installed at the middle of the bottom of the clamping block 3 through the sliding groove 13. A servo motor 16 is installed at the bottom of the milling machine support 1. A movable plate 15 is installed at the output end of the upper surface of the servo motor 16. The top edge of the movable plate 15 is rotatably connected to the bottom edge of the movable support plate 14.

[0023] By starting the servo motor 16 to drive the movable plate 15 to rotate, the movable plate 15 rotates to pull the movable support plate 14 to move along the sliding groove 13, and then the movable support plate 14 pulls the clamping block 3 to move along the upper surface of the milling machine support 1, reflecting the overall movable adjustment effect of the clamping block 3.

[0024] The implementation principle of a workpiece clamping mechanism for a milling machine in the embodiment of the present application is as follows: by placing the workpiece on the upper surface of the milling machine support 1, starting the servo motor 16 to drive the movable plate 15 to rotate, the input end of the servo motor 16 power supply is electrically connected to the output end of the external power supply, so that the movable plate 15 rotates to pull the movable support plate 14 to move along the sliding groove 13, and then the movable support plate 14 pulls the clamping block 3 to move along the outer surface of the guide support rod 2 to clamp on both sides of the workpiece, so that the guide support rod 2 guides and supports the clamping block 3 in motion, thereby keeping the clamping block 3 in a stable state during mobile clamping, and at the same time, the rotating screw 5 drives the movable part 6 to move along the inside of the fixed frame 4, so that the movable part 6 pushes the rotating The support rod 7 moves inside the support frame 8, and the rotating threaded rod 12 makes the movable block 11 move along the support frame 8, so that the movable block 11 that moves up and down pushes the rotating support rod 7 to rotate, thereby adjusting the inclination angle of the rotating support rod 7 inside the support frame 8, so that the screw rod 5 cooperates with the threaded rod 12 to further adjust the placement position of the limit clamp 9, thereby making the limit clamp 9 clamped at different positions on the outer surface of the workpiece; compared with the prior art, this scheme has the effect of facilitating the clamping and fixing of the workpiece at different positions on the milling machine support 1, thereby improving the overall stability of the workpiece after clamping, solving the problem that the workpiece may shake during milling machine processing, and improving the overall milling processing efficiency of the workpiece.

[0025] 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;

[0026] 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;

[0027] 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.

[0028] 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 workpiece clamping mechanism for a milling machine, comprising a milling machine support (1), characterized in that: A clamping block (3) is symmetrically and movably mounted on the upper surface of the milling machine support (1), a fixed frame (4) is symmetrically welded on one side of the clamping block (3), a screw rod (5) is rotatably mounted inside the fixed frame (4), the outer surface of the screw rod (5) is located inside the fixed frame (4) and is sleeved with a movable part (6), a rotating support rod (7) is hingedly connected to the middle of the top of the movable part (6), a support frame (8) is fixedly mounted on the upper surface of the clamping block (3) at a position corresponding to the fixed frame (4), one side of the rotating support rod (7) passes through the outside of the support frame (8) and is fixedly connected to a limited clamping block (9), a fixed groove (10) is formed in the middle of one end of the rotating support rod (7), a movable block (11) is sleeved on the outer surface of the fixed groove (10), a threaded rod (12) is rotatably mounted on the middle of the top of the movable block (11) extending to the top of the support frame (8), and a rotating mechanism is also provided inside the milling machine support (1) for controlling the clamping block (3) to move.

2. A workpiece clamping mechanism for a milling machine according to claim 1, characterized in that: The rotating mechanism comprises a sliding groove (13), the sliding groove (13) is symmetrically arranged at the middle of the top end of the milling machine support (1), a movable support plate (14) is rotatably installed at the middle of the bottom end of the clamping block (3) through the sliding groove (13), a servo motor (16) is installed at the bottom of the milling machine support (1), a movable plate (15) is installed at the output end of the upper surface of the servo motor (16), and the top edge of the movable plate (15) is rotatably connected to the bottom edge of the movable support plate (14).

3. A workpiece clamping mechanism for a milling machine according to claim 1, characterized in that: Guide rods (2) are fixedly mounted on the front and rear ends of the upper surface of the milling machine support (1); through holes are symmetrically opened on one side of the clamping block (3); the clamping block (3) is movably sleeved on the outer surface of the guide rod (2); and the guide rod (2) and the through hole are interlocked with each other.

4. A workpiece clamping mechanism for a milling machine according to claim 1, characterized in that: A threaded hole is provided through the middle of one side of the movable part (6); the outer diameter of the screw rod (5) is smaller than the inner diameter of the threaded hole; the screw rod (5) and the threaded hole are adapted to each other.

5. The workpiece clamping mechanism for a milling machine according to claim 1, characterized in that: The inner wall of the support frame (8) is provided with guide grooves at both the front and rear ends, and the middle parts of the front and rear ends of the movable block (11) extend to the inside of the guide grooves and are welded with protrusions, and the guide grooves and the protrusions are adapted to each other.

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