Milling device for movable jaw of numerical control machine tool

Abstract

The utility model discloses a milling device for a movable jaw of a numerical control machine tool, which relates to the technical field of milling devices and comprises a base, a first air cylinder is fixedly connected in a cavity of the base, and one end of the first air cylinder penetrates through the top of the base and is fixedly connected with a U-shaped rotating seat. A placing table is fixedly connected between the side walls of the two ends of the U-shaped rotating base through an angle adjusting mechanism, a fixed clamp is fixedly connected to one end of the top of the placing table, and a movable clamp is fixedly connected into a cavity of the placing table through a transmission mechanism. The milling device provided by the utility model comprises the base, and the workpiece and the milling cutter are cooled on the basis that the workpiece is processed under angle adjustment after being fixed, so that the problem that the conventional milling device for the movable jaw of the numerical control machine tool is inconvenient to mill the inclined surface of the polygonal workpiece; and the workpiece and the milling cutter are easy to deform due to overheating in the milling process.

Description

Technical Field

[0001] The utility model relates to the technical field of milling devices, in particular to a movable jaw milling device for a numerically controlled machine tool. Background Art

[0002] A milling machine, also known as a "conventional milling machine", is a type of CNC machine tool. A milling machine refers to a machine tool that uses a high-speed rotating milling cutter to fix the workpiece by cooperating with movable jaws to perform cutting processing on the workpiece.

[0003] The existing CNC machine tool movable jaw milling device is unable to mill inclined surfaces when processing multi-sided workpieces or polygonal workpieces. In addition, the long-term contact between the milling cutter and the workpiece during the milling process will generate a large amount of heat, which will easily cause the milling cutter and the workpiece to overheat and deform. Therefore, it is necessary to solve the problem that the existing CNC machine tool movable jaw milling device is not convenient for milling the inclined surfaces of polygonal workpieces, and is prone to overheating during the milling process, causing deformation of the workpiece and the milling cutter. Utility Model Content

[0004] In view of the above problems existing in the existing movable jaw milling device of a CNC machine tool, the present utility model is proposed.

[0005] Therefore, the purpose of this utility model is to provide a CNC machine tool movable jaw milling device to solve the problem that the existing CNC machine tool movable jaw milling device is not convenient for milling the inclined surface of a polygonal workpiece and is prone to overheating during the milling process, causing deformation of the workpiece and the milling cutter.

[0006] In order to achieve the above-mentioned objectives, the utility model provides the following technical solutions: A movable jaw milling device for a CNC machine tool comprises a base, a first cylinder is fixedly connected to the cavity of the base, one end of the first cylinder passes through the top of the base and is fixedly connected to a U-shaped rotating seat, a placing table is fixedly connected between the side walls of the U-shaped rotating seat through an angle adjustment mechanism, one end of the top of the placing table is fixedly connected to a fixed clamp, a movable clamp is fixedly connected to the cavity of the placing table through a transmission mechanism, the side wall of the base is fixedly connected to an L-shaped support seat, the bottom of one end of the L-shaped support seat is fixedly connected to a movable adjustment device, the bottom of the movable adjustment device is fixedly connected to a milling cutter driving device, the bottom of the milling cutter driving device is fixedly connected to a milling cutter, the pipe wall of the milling cutter driving device is rotatably connected to a cooling spray ring through an opening, the top of the L-shaped support seat is fixedly connected to a fan, one end of the fan is fixedly connected to a U-shaped pipe, and the other end of the U-shaped pipe is fixedly connected to the side wall of the cooling spray ring.

[0007] Preferably, the angle adjustment mechanism includes a support rod, a worm gear, a rotating sleeve and a worm, a support rod is fixedly connected between the two end side walls of the U-shaped rotating seat, the rod wall of the support rod is fixedly connected to the worm gear, a rotating sleeve is rotatably connected between the two end side walls of the U-shaped rotating seat, the inner side wall of the rotating sleeve is rotatably connected to the worm, and the rod wall of the worm is meshingly connected to the worm gear.

[0008] Preferably, the transmission mechanism includes a second cylinder, a sliding mouth and a dry-type limit slider. The second cylinder is fixedly connected to the cavity of the placing table. The top of the placing table is provided with a sliding mouth and is slidably connected with a dry-type limit slider. One end of the dry-type limit slider passes through the sliding mouth and is fixedly connected to one end of the second cylinder. The top of the dry-type limit slider is fixedly connected to the bottom of the movable clamp.

[0009] Preferably, the cooling spray ring is a hollow ring body with a plurality of spray holes opened at the bottom.

[0010] Furthermore, one end of the worm passes through the side wall of the rotating sleeve and is fixedly connected to a rotating handle.

[0011] Preferably, a plurality of universal wheels are fixedly connected to the bottom of the base.

[0012] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0013] 1. The utility model utilizes a worm arranged in the rotating sleeve cavity to engage with the worm wheel during the rotation process to drive the rotating sleeve to rotate. After rotation, the teeth of the worm and the worm wheel are self-locked to prevent rotation, thereby driving the workpiece fixed on the top of the placement table to rotate and adjust the angle.

[0014] 2. The utility model utilizes a cooling spray ring rotatably connected to the pipe wall of the milling cutter drive device. After the fan and the U-shaped pipe provide wind power, the workpiece and the milling cutter are cooled by blowing air during the milling process to avoid overheating and deformation.

[0015] 3. The utility model utilizes a second cylinder provided in the placement table cavity to drive the dry-type limit slider to move in the sliding mouth, thereby driving the movable clamp to move toward the fixed clamp to clamp and fix the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0018] Figure 2 This is a front structural sectional view of the present utility model;

[0019] Figure 3 This is a cross-sectional view of the U-shaped rotating seat and placement table structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the cooling spray ring of the present utility model.

[0021] Description of reference numerals:

[0022] 1. Base; 2. First cylinder; 3. U-shaped rotating seat; 4. Placement table; 5. Fixing clamp; 6. Moving clamp; 7. L-shaped support seat; 8. Moving adjustment device; 9. Milling cutter drive device; 10. Milling cutter; 11. Cooling spray ring; 12. Fan; 13. U-shaped pipe; 14. Support rod; 15. Worm gear; 16. Rotating sleeve; 17. Worm; 18. Second cylinder; 19. Slide; 20. Dry type limit slider; 21. Spray hole; 22. Rotating handle; 23. Universal wheel. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0024] The embodiment of the utility model discloses a movable jaw milling device for a numerically controlled machine tool.

[0025] The utility model provides Figure 1-4The shown embodiment of a CNC machine tool movable jaw milling device comprises a base 1, a first cylinder 2 is fixedly connected to the cavity of the base 1, one end of the first cylinder 2 passes through the top of the base 1 and is fixedly connected to a U-shaped rotating seat 3, a placing table 4 is fixedly connected between the side walls of the U-shaped rotating seat 3 through an angle adjustment mechanism, a fixed clamp 5 is fixedly connected to the top end of the placing table 4, a movable clamp 6 is fixedly connected to the cavity of the placing table 4 through a transmission mechanism, an L-shaped support seat 7 is fixedly connected to the side wall of the base 1, a movable adjustment device 8 is fixedly connected to the bottom of one end of the L-shaped support seat 7, a milling cutter drive device 9 is fixedly connected to the bottom of the movable adjustment device 8, a milling cutter 10 is fixedly connected to the milling cutter drive device 9, a cooling spray ring 11 is rotatably connected to the pipe wall of the milling cutter drive device 9 through an opening, a fan 12 is fixedly connected to the top of the L-shaped support seat 7, one end of the fan 12 is fixedly connected to a U-shaped pipe 13, and the other end of the U-shaped pipe 13 is fixedly connected to the cooling cutter 10. The side wall of the cooling spray ring 11 is fixedly connected, and the transmission mechanism is used to drive the movable clamp 6 to move toward the fixed clamp 5 to clamp and fix the workpiece, and the first cylinder 2 is used to drive it to rise and contact the milling cutter 10, and the milling cutter 10 is driven by the milling cutter drive device 9 to mill the workpiece, and the movable adjustment device 8 is used to drive the milling cutter drive device 9 and the milling cutter 10 to move, and the angle adjustment mechanism provided between the U-shaped rotating seat 3 is used to drive the placement table 4 to rotate for angle adjustment to facilitate the processing of polyhedral workpieces, and the cooling spray ring 11 is provided on the pipe wall of the milling cutter drive device 9. After the wind force is provided by the fan 12 and the U-shaped tube 13, the workpiece and the milling cutter 10 are blown to cool the workpiece during the milling process to avoid overheating and deformation, thereby solving the problem that the existing CNC machine tool movable jaw milling device is not convenient for milling the inclined surface of the polygonal workpiece, and is prone to overheating during the milling process, causing deformation of the workpiece and the milling cutter.

[0026] In order to drive the workpiece fixed on the top of the placement table 4 to rotate and adjust the angle, Figure 1-3 As shown, the angle adjustment mechanism includes a support rod 14, a worm gear 15, a rotating sleeve 16 and a worm 17. The support rod 14 is fixedly connected between the side walls at both ends of the U-shaped rotating seat 3, and the rod wall of the support rod 14 is fixedly connected to the worm gear 15. The rotating sleeve 16 is rotatably connected between the side walls at both ends of the U-shaped rotating seat 3, and the inner side wall of the rotating sleeve 16 is rotatably connected to the worm 17. The rod wall of the worm 17 is meshed with the worm wheel 15. The worm 17 is meshed with the worm wheel 15 during the rotation process and rotates. After rotation, the teeth of the worm 17 and the worm wheel 15 are self-locked to prevent rotation, thereby driving the workpiece fixed on the top of the placement table 4 to rotate and adjust the angle.

[0027] In order to drive the movable clamp 6 to move toward the fixed clamp 5 to clamp the workpiece, Figure 1-3As shown, the transmission mechanism includes a second cylinder 18, a sliding mouth 19 and a dry-type limit slider 20. The second cylinder 18 is fixedly connected to the cavity of the placement table 4. The top of the placement table 4 is provided with a sliding mouth 19, and is slidably connected with the dry-type limit slider 20. One end of the dry-type limit slider 20 passes through the sliding mouth 19 and is fixedly connected to one end of the second cylinder 18. The top of the dry-type limit slider 20 is fixedly connected to the bottom of the movable clamp 6. The second cylinder 18 is used to drive the dry-type limit slider 20 to move in the sliding mouth 19, thereby driving the movable clamp 6 to move toward the fixed clamp 5 to clamp the workpiece.

[0028] In order to make the cooling spray ring 11 realize the cooling air outlet function, Figure 1 、 2 4, the cooling spray ring 11 is a hollow ring body, and a plurality of spray holes 21 are opened at the bottom. By using the cooling spray ring 11 which is set as a hollow ring body and a plurality of spray holes 21 are opened at the bottom, the cooling spray ring 11 can realize the cooling air outlet function.

[0029] In order to facilitate manual driving of the worm 17 for rotation, Figure 1-3 As shown, one end of the worm 17 passes through the side wall of the rotating sleeve 16 and is fixedly connected to a rotating handle 22. The rotating handle 22 is provided to facilitate manual rotation of the worm 17.

[0030] Finally, in order to facilitate the movement of the device to other working areas, such as Figure 1-4 As shown, a plurality of universal wheels 23 are fixedly connected to the bottom of the base 1, and the device is driven to move to other working areas by utilizing the plurality of universal wheels 23.

[0031] Working principle:

[0032] When in use, the workpiece is placed on the top of the placing table 4, and the transmission mechanism drives the mobile clamp 6 to move toward the fixed clamp 5, so that the workpiece is clamped and fixed. The first cylinder 2 drives it to rise and contact the milling cutter 10, and the mobile adjustment device 8 is used to drive the milling cutter drive device 9 and the milling cutter 10 to move. The milling cutter drive device 9 drives the milling cutter 10 to mill the workpiece, and the handle 22 is turned to drive the worm 17 to engage with the worm wheel 15 during the rotation process. After the rotation, the teeth of the worm 17 and the worm wheel 15 are used to rotate. Self-locking prevents rotation, thereby driving the workpiece fixed on the top of the placement table 4 to rotate and adjust the angle, which is convenient for processing multi-faceted workpieces. By setting a cooling spray ring 11 that is rotatably connected to the pipe wall of the milling cutter drive device 9, and providing wind power through the fan 12 and the U-shaped tube 13, the workpiece and the milling cutter 10 are blown to cool during the milling process to avoid overheating and deformation, thereby solving the problem that the existing CNC machine tool movable jaw milling device is not convenient for milling the inclined surface of the polygonal workpiece, and is prone to overheating during the milling process, causing the workpiece and the milling cutter to deform.

[0033] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A CNC machine tool movable jaw milling device, comprising a base (1), characterized in that: A first cylinder (2) is fixedly connected to the cavity of the base (1), one end of the first cylinder (2) passes through the top of the base (1) and is fixedly connected to a U-shaped rotating seat (3), a placement table (4) is fixedly connected between the side walls at both ends of the U-shaped rotating seat (3) via an angle adjustment mechanism, a fixed clamp (5) is fixedly connected to one end of the top of the placement table (4), a movable clamp (6) is fixedly connected to the cavity of the placement table (4) via a transmission mechanism, an L-shaped support seat (7) is fixedly connected to the side wall of the base (1), and the L-shaped support seat (7) The bottom of one end of the L-shaped support seat (7) is fixedly connected to a movable adjustment device (8), the bottom of the movable adjustment device (8) is fixedly connected to a milling cutter driving device (9), the bottom of the milling cutter driving device (9) is fixedly connected to a milling cutter (10), the pipe wall of the milling cutter driving device (9) is rotatably connected to a cooling spray ring (11) through an opening, the top of the L-shaped support seat (7) is fixedly connected to a fan (12), one end of the fan (12) is fixedly connected to a U-shaped pipe (13), and the other end of the U-shaped pipe (13) is fixedly connected to the side wall of the cooling spray ring (11).

2. The movable jaw milling device for a CNC machine tool according to claim 1, characterized in that: The angle adjustment mechanism comprises a support rod (14), a worm wheel (15), a rotating sleeve (16) and a worm (17); the support rod (14) is fixedly connected between the side walls at both ends of the U-shaped rotating seat (3); the rod wall of the support rod (14) is fixedly connected to the worm wheel (15); the rotating sleeve (16) is rotatably connected between the side walls at both ends of the U-shaped rotating seat (3); the inner side wall of the rotating sleeve (16) is rotatably connected to the worm (17); the rod wall of the worm (17) is meshed with the worm wheel (15).

3. The movable jaw milling device for a CNC machine tool according to claim 1, characterized in that: The transmission mechanism includes a second cylinder (18), a sliding mouth (19) and a dry-type limiting slider (20); the second cylinder (18) is fixedly connected to the cavity of the placement table (4); the top of the placement table (4) is provided with a sliding mouth (19) and is slidably connected to the dry-type limiting slider (20); one end of the dry-type limiting slider (20) passes through the sliding mouth (19) and is fixedly connected to one end of the second cylinder (18); the top of the dry-type limiting slider (20) is fixedly connected to the bottom of the movable clamp (6).

4. The movable jaw milling device for a CNC machine tool according to claim 1, characterized in that: The cooling spray ring (11) is a hollow ring body, and a plurality of spray holes (21) are opened at the bottom.

5. The movable jaw milling device for a CNC machine tool according to claim 2, characterized in that: One end of the worm (17) passes through the side wall of the rotating sleeve (16) and is fixedly connected to a rotating handle (22).

6. The movable jaw milling device for a CNC machine tool according to claim 1, characterized in that: A plurality of universal wheels (23) are fixedly connected to the bottom of the base (1).

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