Clamp for numerical control machine tool

Abstract

The utility model discloses a clamp for a numerical control machine tool, and relates to the technical field of machine tool clamps. The clamp is composed of a base, a lifting mechanism and a placing table, the bottom end of the lifting mechanism is installed at the upper end of the base, a shaft of the bottom end of the lifting mechanism is installed on the upper side of a rotating mechanism, the rotating mechanism is installed in the base, the placing table is installed at the upper end of the lifting mechanism, and a clamping plate is installed at the upper end of the placing table in a retracting mode. A pneumatic flexible clamp is installed on the inner side of the clamping plate, the bottom end of the clamping plate is installed on the upper side of a sliding mechanism, the bottom end of the sliding mechanism is installed on the upper side of a power mechanism, and the power mechanism is installed in the containing table. In the machining process, the height of a workpiece can be adjusted through the lifting mechanism, the workpiece can be driven to rotate through the rotating mechanism, the workpiece can be conveniently adjusted, and the workpiece can be conveniently machined.

Description

Technical Field

[0001] The utility model belongs to the field of machine tool fixtures, and in particular relates to a fixture used for numerically controlled machine tools. Background Art

[0002] Machine tools refer to machines used to manufacture machines, also known as machine tools or machine tools, and are usually referred to as machine tools. They are generally divided into metal cutting machine tools, forging machine tools, and woodworking machine tools. There are many ways to process mechanical parts in modern machinery manufacturing: in addition to cutting, there are also casting, forging, welding, stamping, extrusion, etc. During the processing of machine tools, fixtures are needed to clamp and fix the workpiece.

[0003] Chinese patent number CN202220415125.0 discloses a CNC machine tool fixture, including a frame, a cylinder connected to the frame, a clamping block connected to the cylinder, and a waste collection box arranged in the frame. The frame includes a fixed plate, a support plate connected to the fixed plate, and a mounting plate connected to the support plate. The fixed plate is provided with a card slot and a blanking slot, and the blanking slot is connected to the card slot. The cylinder is connected to the mounting plate. The clamping block presses the workpiece into the card slot under the drive of the cylinder.

[0004] During the use of the utility model, it is difficult to adjust the position of the workpiece after it is fixed, which is very inconvenient when adjustment is required during processing.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a clamp for a numerically controlled machine tool.

[0007] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0008] A fixture used in a CNC machine tool comprises a fixture; the fixture is composed of a base, a lifting mechanism and a placing table, the bottom end of the lifting mechanism is installed at the upper end of the base, the bottom end shaft of the lifting mechanism is installed on the upper side of a rotating mechanism, the rotating mechanism is installed inside the base, the placing table is installed at the upper end of the lifting mechanism, a clamp is installed on the upper end of the placing table, a pneumatic flexible clamp is installed on the inner side of the clamp, the bottom end of the clamp is installed on the upper side of a sliding mechanism, the bottom end of the sliding mechanism is installed on the upper side of a power mechanism, and the power mechanism is installed inside the placing table.

[0009] Optionally, the lifting mechanism is composed of a telescopic rod and a mounting plate, the bottom end of the telescopic rod is installed at an upper position of the mounting plate, and the upper end of the telescopic rod is installed at an inner position of the placement platform.

[0010] Optionally, the power mechanism consists of a first motor and a transmission, the first motor is installed inside the placement table, and the first motor is installed at the bottom end of the mounting plate.

[0011] Optionally, the rotating mechanism consists of a large gear, a small gear and a second motor, the large gear is installed on the bottom end shaft of the lifting mechanism and is located at the bottom end of the inner section of the base, the small gear and the large gear are meshed and connected, the bottom end of the small gear is installed on the bottom end of the second motor, and the second motor is installed inside the base.

[0012] Optionally, the second motor and the second motor are both configured as servo motors.

[0013] Optionally, a plurality of clamping rods are evenly installed at the front end of the pneumatic flexible clamp.

[0014] Optionally, the sliding mechanism consists of a turntable, a connecting rod, a slider and a slide rod. The turntable is rotatably installed in the middle position of the placement table, the slide rod is installed around the inside of the base, the slider is slidably installed on the upper side of the slide rod, and the two ends of the connecting rod are rotatably installed on one side of the slider and the upper end of the turntable.

[0015] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below at the same time:

[0016] 1. During the processing, the height of the workpiece can be adjusted through the lifting mechanism, and the workpiece can be driven to rotate through the rotating mechanism, which is convenient for adjusting the workpiece and processing the workpiece.

[0017] 2. When the power mechanism is in use, the first motor is turned on by a switch, the first motor will provide power, the rotation speed will be adjusted through the transmission and then output.

[0018] 3. When the rotating mechanism is in use, the second motor is turned on by the switch, and the second motor will drive the small gear to rotate. The small gear drives the placement table to rotate through the large gear, thereby rotating the workpiece on the upper side of the placement table.

[0019] 4. When the sliding mechanism is in use, the power mechanism will drive the turntable to rotate. During the rotation of the turntable, the slider will be driven by the connecting rod to move along the slide rod, and the moving slider will drive the splint to move.

[0020] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0022] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0023] Figure 2 This is a schematic diagram of the internal structure of an embodiment of the utility model;

[0024] Figure 3 This is a schematic diagram of the internal structure of a placement table according to an embodiment of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of a pneumatic flexible clamp according to an embodiment of the utility model;

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 1. Clamp; 2. Base; 3. Lifting mechanism; 4. Placement table; 5. Clamp; 6. Turntable; 7. First motor; 8. Slider; 9. Sliding rod; 10. Connecting rod; 11. Pneumatic flexible clamp; 12. Sliding mechanism; 13. Telescopic rod; 14. Mounting plate; 15. Rotating mechanism; 16. Small gear; 17. Second motor; 18. Large gear; 19. Power mechanism; 20. Transmission; 21. Clamping rod.

[0028] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0029] The utility model will now be further described in detail with reference to the accompanying drawings.

[0030] See also Figure 1-4 As shown, in this embodiment, a fixture for a CNC machine tool is provided, including a fixture 1; the fixture 1 is composed of a base 2, a lifting mechanism 3 and a placement table 4, the bottom end of the lifting mechanism 3 is installed at the upper end of the base 2, the bottom end shaft of the lifting mechanism 3 is installed on the upper side of the rotating mechanism 15, the rotating mechanism 15 is installed inside the base 2, the placement table 4 is installed at the upper end of the lifting mechanism 3, a splint 5 is installed on the upper end of the placement table 4, a pneumatic flexible clamp 11 is installed on the inner side of the splint 5, the bottom end of the splint 5 is installed on the upper side of the sliding mechanism 12, the bottom end of the sliding mechanism 12 is installed on the upper side of the power mechanism 19, and the power mechanism 19 is installed in the inner position of the placement table 4.

[0031] The application of one aspect of this embodiment is: when in use, the workpiece is placed on the upper side of the placement table 4, and the power mechanism 19 is turned on by the switch. The power mechanism 19 will drive the sliding mechanism 12 to move, and the sliding mechanism 12 will drive the clamping plate 5 to clamp the workpiece. During the clamping process, the pneumatic flexible clamp 11 can increase the contact area with the workpiece. At the same time, during the processing, the height of the workpiece can be adjusted by the lifting mechanism 3, and the workpiece can be driven to rotate by the rotating mechanism 15, which is convenient for adjusting the workpiece and facilitating the processing of the workpiece.

[0032] In this embodiment, the lifting mechanism 3 is composed of a telescopic rod 13 and a mounting plate 14. The bottom end of the telescopic rod 13 is installed at the upper end of the mounting plate 14, and the upper end of the telescopic rod 13 is installed inside the placement table 4. When the lifting mechanism 3 is in use, the telescopic rod 13 is turned on by a switch, and the telescopic rod 13 will drive the height of the placement table 4 to be adjusted.

[0033] In this embodiment, the power mechanism 19 consists of a first motor 7 and a transmission 20. The first motor 7 is installed inside the placement table 4, and the first motor 7 is installed at the bottom end of the mounting plate 14. When the power mechanism 19 is in use, the first motor 7 is turned on by a switch, and the first motor 7 will provide power, and the rotation speed will be adjusted through the transmission 20 and then output.

[0034] In this embodiment, the rotating mechanism 15 is composed of a large gear 18, a small gear 16 and a second motor 17. The large gear 18 is installed on the bottom end shaft of the lifting mechanism 3 and is located at the bottom end of the inner section of the base 2. The small gear 16 and the large gear 18 are meshed and connected. The bottom end of the small gear 16 is installed on the bottom end of the second motor 17. The second motor 17 is installed inside the base 2. When the rotating mechanism 15 is in use, the second motor 17 is turned on by a switch, and the second motor 17 will drive the small gear 16 to rotate. The small gear 16 drives the placement table 4 to rotate through the large gear 18, thereby rotating the workpiece on the upper side of the placement table 4.

[0035] In this embodiment, the second motor 17 and the second motor 17 are both configured as servo motors. The servo motor used by the second motor 17 is mainly controlled by an encoder, and the encoder can accurately control the rotation speed of the second motor 17, thereby facilitating the control of the rotation angle of the placement table 4.

[0036] In this embodiment, a plurality of clamping rods 21 are evenly installed at the front end of the pneumatic flexible clamp 11. The arrangement of the plurality of clamping rods 21 can increase the contact area between the pneumatic flexible clamp 11 and the workpiece during use, so that the pneumatic flexible clamp 11 can clamp the workpiece more stably.

[0037] In this embodiment, the sliding mechanism 12 is composed of a turntable 6, a connecting rod 10, a slider 8 and a slide bar 9. The turntable 6 is rotatably installed in the middle position of the placement table 4, the slide bar 9 is installed at the surrounding positions inside the base 2, the slider 8 is slidably installed on the upper side of the slide bar 9, and the two ends of the connecting rod 10 are rotatably installed on one side of the slider 8 and the upper end of the turntable 6. During the use of the sliding mechanism 12, the power mechanism 19 will drive the turntable 6 to rotate. During the rotation of the turntable 6, the slider 8 will be driven by the connecting rod 10 to move along the slide bar 9, and the moving slider 8 will drive the splint 5 to move.

[0038] The present invention is not limited to the above-mentioned implementation modes. Anyone should be aware of the structural changes made under the inspiration of the present invention. Any technical solution that is the same or similar to the present invention falls within the protection scope of the present invention. The technology, shape, and structure that are not described in detail in the present invention are all known technologies.

Claims

1. A fixture for a CNC machine tool, characterized in that: The clamp (1) comprises a base (2), a lifting mechanism (3) and a placement table (4); the bottom end of the lifting mechanism (3) is mounted on the upper end of the base (2); the bottom end shaft of the lifting mechanism (3) is mounted on the upper side of a rotating mechanism (15); the rotating mechanism (15) is mounted inside the base (2); the placement table (4) is mounted on the upper end of the lifting mechanism (3); a clamp (5) is mounted on the upper end of the placement table (4); a pneumatic flexible clamp (11) is mounted on the inner side of the clamp (5); the bottom end of the clamp (5) is mounted on the upper side of a sliding mechanism (12); the bottom end of the sliding mechanism (12) is mounted on the upper side of a power mechanism (19); and the power mechanism (19) is mounted on the inner side of the placement table (4).

2. A fixture for a CNC machine tool according to claim 1, characterized in that: The lifting mechanism (3) is composed of a telescopic rod (13) and a mounting plate (14); the bottom end of the telescopic rod (13) is mounted on the upper end of the mounting plate (14); and the upper end of the telescopic rod (13) is mounted inside the placement platform (4).

3. The fixture for a CNC machine tool according to claim 1, characterized in that: The power mechanism (19) consists of a first motor (7) and a transmission (20); the first motor (7) is installed inside the placement table (4); and the first motor (7) is installed at the bottom end of the mounting plate (14).

4. The fixture for a CNC machine tool according to claim 3, characterized in that: The rotating mechanism (15) is composed of a large gear (18), a small gear (16) and a second motor (17); the large gear (18) is mounted on the bottom shaft of the lifting mechanism (3) and is located at the bottom end of the inner section of the base (2); the small gear (16) and the large gear (18) are meshedly connected; the bottom end of the small gear (16) is mounted on the bottom end of the second motor (17); and the second motor (17) is mounted inside the base (2).

5. The fixture for a CNC machine tool according to claim 4, characterized in that: The second motor (17) and the second motor (17) are both configured as servo motors.

6. The fixture for a CNC machine tool according to claim 1, characterized in that: A plurality of clamping rods (21) are evenly mounted at the front end of the pneumatic flexible clamp (11).

7. The fixture for a CNC machine tool according to claim 1, characterized in that: The sliding mechanism (12) is composed of a turntable (6), a connecting rod (10), a slider (8) and a slide bar (9); the turntable (6) is rotatably mounted in the middle position of the placement table (4); the slide bar (9) is mounted on the inner periphery of the base (2); the slider (8) is slidably mounted on the upper side of the slide bar (9); and the two ends of the connecting rod (10) are rotatably mounted on one side of the slider (8) and the upper end of the turntable (6).

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