Workpiece fixing table for numerical control machine tool machining

Abstract

The utility model discloses a numerical control machine tool machining workpiece fixing table, and relates to the technical field of numerical control machine tool machining, the numerical control machine tool machining workpiece fixing table comprises a workbench, the upper surface of the workbench is fixedly connected with a mounting plate, a first screw rod penetrates through the surface of the mounting plate, and the first screw rod is rotatably connected with the mounting plate; one end of the first screw rod is fixedly connected with a hand wheel, the outer surface of the first screw rod is in threaded connection with a moving plate, the bottom of the moving plate is fixedly connected with a sliding block, a groove is formed in the surface of the moving plate, and a T-shaped rod is slidably connected into the groove. According to the disc-shaped workpiece clamping device, through mutual cooperation of the movable plate, the groove, the rotary knob, the mounting block, the second screw rod and the T-shaped rod, the two clamping arms can move at the same time, so that different types of disc-shaped workpieces can be fixed conveniently, and then machining of workers is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machine tool processing, and more specifically to a numerical control machine tool processing workpiece fixing table. Background Art

[0002] CNC machine tool is the abbreviation of digital control machine tool. It is an automated machine tool equipped with a program control system. The control system can logically process programs specified by control codes or other symbolic instructions, decode them, and express them in coded numbers. The information carrier is input into the CNC device, and various control signals are sent out by the CNC device after calculation and processing to control the movement of the machine tool. The parts are automatically processed according to the shape and size required by the drawing. When the CNC machine tool processes the workpiece, a fixed table is required to fix the workpiece.

[0003] In the Chinese utility model patent application number: CN202020386996.5, there is disclosed a CNC machine tool processing workpiece fixing table, the structure includes a workbench, a T-slot, a base and a slide slot, the upper surface of the workbench is installed with a base, the interior of the base is provided with a slide slot, the interior of the base is installed with a transmission mechanism, the transmission mechanism includes a threaded rod, a bearing, a swivel, a clamping plate, a slider and a retaining ring, the interior of the retaining ring is installed with a connecting mechanism, the connecting mechanism includes a connecting plate, a connecting rod, a second nut, a protective shell, a plug rod and a spring, the interior of the connecting plate is installed with a clamping mechanism, the clamping mechanism includes an arc plate, a gasket, a cross bar and a through hole. The CNC machine tool processing workpiece fixing table can clamp a cylindrical workpiece through the cooperation of two arc plates, but it is not convenient for fixing different types of disc-shaped workpieces, and the scope of application is small.

[0004] Therefore, it is necessary to propose a CNC machine tool workpiece fixing table to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to solve the problem that the existing CNC machine tool processing workpiece fixing table mentioned in the background technology can clamp columnar workpieces through the cooperation of two arc-shaped plates, but is not convenient for fixing different types of disc-shaped workpieces and has a small scope of application. The utility model provides a CNC machine tool processing workpiece fixing table.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0009] A fixed table for processing workpieces of a numerically controlled machine tool comprises a workbench, the upper surface of the workbench is fixedly connected to a mounting plate, the surface of the mounting plate is penetrated by a first screw, the first screw and the mounting plate are rotationally connected, one end of the first screw is fixedly connected to a handwheel, the outer surface of the first screw is threadedly connected to a movable plate, the bottom of the movable plate is fixedly connected to a sliding block, the surface of the movable plate is provided with a groove, and the inside of the groove is slidably connected to a T-shaped rod.

[0010] Furthermore, a mounting block is fixedly connected to the surface of the movable plate, a second screw penetrates the surface of the mounting block, the second screw and the mounting block are rotationally connected, the second screw and the T-shaped rod are threadedly connected, and the second screw is a bidirectional screw to facilitate simultaneous movement of two T-shaped rods.

[0011] Furthermore, one end of the second screw rod is fixedly connected to a knob, and the outer surface of the knob is symmetrically provided with anti-slip grooves, which can increase the friction between the knob and a human hand, thereby facilitating the rotation of the knob.

[0012] Furthermore, the inner end of the T-shaped rod is rotatably connected to a clamping arm, and a protrusion is provided on the inner side of the clamping arm. The protrusion is made of rubber, which is conducive to fixing the workpiece.

[0013] Furthermore, a limiting groove is provided on the upper surface of the workbench, and the limiting groove corresponds to the sliding block, and the limiting groove can limit the sliding block.

[0014] Furthermore, a fixing plate is fixedly connected to a side end of the T-shaped rod, and a first fixing block is fixedly connected to a surface of the fixing plate.

[0015] Furthermore, a second fixing block is fixedly connected to the outer side of the clamping arm, and an electric push rod is hinged between the second fixing block and the first fixing block.

[0016] (III) Beneficial effects

[0017] The beneficial effects of the utility model are as follows:

[0018] 1. The utility model can make two clamping arms move simultaneously through the cooperation among the moving plate, the groove, the knob, the mounting block, the second screw rod and the T-shaped rod, so as to facilitate the fixing of different types of disc-shaped workpieces, thereby facilitating the processing by the staff.

[0019] 2. The utility model can make the clamping arm rotate to a certain angle through the cooperation among the electric push rod, the fixing plate, the first fixing block and the second fixing block, so as to facilitate the fixing of the square workpiece and facilitate the processing by the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a three-dimensional schematic diagram of the local structure of the utility model;

[0022] Figure 3 It is a three-dimensional schematic diagram of the workbench of the utility model;

[0023] Figure 4 It is a three-dimensional schematic diagram of the local structure of the utility model.

[0024] Figure numerals: 1. workbench; 2. handwheel; 3. mounting plate; 4. moving plate; 5. clamping arm; 6. slider; 7. groove; 8. knob; 9. first screw rod; 10. mounting block; 11. protrusion; 12. electric push rod; 13. second screw rod; 14. limiting groove; 15. fixing plate; 16. first fixing block; 17. second fixing block; 18. T-bar. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1

[0027] See also Figure 1-4A fixed table for machining workpieces of a numerically controlled machine tool comprises a workbench 1, a mounting plate 3 is fixedly connected to the upper surface of the workbench 1, a first screw 9 is passed through the surface of the mounting plate 3, the first screw 9 and the mounting plate 3 are rotatably connected, a hand wheel 2 is fixedly connected to one end of the first screw 9, a movable plate 4 is threadedly connected to the outer surface of the first screw 9, a mounting block 10 is fixedly connected to the surface of the movable plate 4, a second screw 13 is passed through the surface of the mounting block 10, the second screw 13 and the mounting block 10 are rotatably connected, the second screw 13 and a T-shaped rod 18 are threadedly connected, and the second screw 13 is a bidirectional screw, which is convenient for two T-shaped rods 18 to be operated simultaneously Movement, one end of the second screw rod 13 is fixedly connected to a knob 8, and the outer surface of the knob 8 is symmetrically provided with anti-slip grooves, which can increase the friction between the knob 8 and the human hand, thereby facilitating the rotation of the knob 8, the bottom of the movable plate 4 is fixedly connected to a slider 6, and the surface of the movable plate 4 is provided with a groove 7, and the inside of the groove 7 is slidably connected to a T-shaped rod 18, and the inner end of the T-shaped rod 18 is rotatably connected to a clamping arm 5, and a protrusion 11 is provided on the inner side of the clamping arm 5, and the protrusion 11 is made of rubber, which is conducive to fixing the workpiece, and a limiting groove 14 is provided on the upper surface of the workbench 1, and the limiting groove 14 corresponds to the slider 6, and the limiting groove 14 can limit the slider 6.

[0028] In this embodiment, the staff puts the disc-shaped workpiece on the workbench 1 and then turns the handwheel 2, which will drive the first screw 9 to rotate. Then, under the action of the thread, the movable plate 4 will drive the slider 6 and the T-shaped rod 18 to move along the limit groove 14, and then the T-shaped rod 18 will drive the clamping arm 5 to move, and then the clamping arm 5 will fix the disc-shaped workpiece. The staff can turn the knob 8 as needed, and then the knob 8 will drive the second screw 13 to rotate. Then, under the action of the thread, the two T-shaped rods 18 will move closer to or farther away from each other, thereby realizing the fixation of different types of disc-shaped workpieces, which is beneficial to the staff for processing.

[0029] Example 2

[0030] See also Figure 1-4 This embodiment is further optimized on the basis of Embodiment 1. Specifically, a fixing plate 15 is fixedly connected to the side end of the T-shaped rod 18, a first fixing block 16 is fixedly connected to the surface of the fixing plate 15, a second fixing block 17 is fixedly connected to the outer side of the clamping arm 5, and an electric push rod 12 is hinged between the second fixing block 17 and the first fixing block 16. Under the action of the electric push rod 12, the clamping arm 5 can rotate.

[0031] In this embodiment, the staff can start the electric push rod 12 as needed to retract the electric push rod 12. During this process, the clamping arm 5 will rotate to a certain angle, so as to facilitate the fixation of the square workpiece, which is beneficial to the staff for processing.

[0032] Working principle: the staff puts the disc-shaped workpiece on the workbench 1, and then turns the handwheel 2, the handwheel 2 will drive the first screw 9 to rotate, and then under the action of the thread, the movable plate 4 will drive the slider 6 and the T-shaped rod 18 to move along the limit groove 14, and then the T-shaped rod 18 will drive the clamping arm 5 to move, and then the clamping arm 5 will fix the disc-shaped workpiece. The staff can turn the knob 8 as needed, and then the knob 8 will drive the second screw 13 to rotate, and then under the action of the thread, the two T-shaped rods 18 will move closer to or farther away from each other, and then different types of disc-shaped workpieces can be fixed. In addition, the staff can start the electric push rod 12 as needed to retract the output end of the electric push rod 12. During this process, the clamping arm 5 will rotate a certain angle, and then the square workpiece can be fixed.

[0033] In summary: the utility model, through the mutual cooperation among the movable plate 4, the groove 7, the knob 8, the mounting block 10, the second screw 13 and the T-shaped rod 18, can make the two clamping arms 5 move at the same time, so as to facilitate the fixation of different types of disc-shaped workpieces, and thus facilitate the processing by the staff; through the mutual cooperation among the electric push rod 12, the fixed plate 15, the first fixed block 16 and the second fixed block 17, the clamping arm 5 can be rotated to a certain angle, so as to facilitate the fixation of the square workpiece, and thus facilitate the processing by the staff.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. The patent protection scope of the present invention shall be based on the claims. All equivalent structural changes made using the description and drawings of the present invention shall be included in the protection scope of the present invention.

Claims

1. A workpiece fixing table for a numerically controlled machine tool, comprising a worktable (1), characterized in that: The upper surface of the workbench (1) is fixedly connected to a mounting plate (3), the surface of the mounting plate (3) is penetrated by a first screw rod (9), the first screw rod (9) and the mounting plate (3) are rotationally connected, one end of the first screw rod (9) is fixedly connected to a hand wheel (2), the outer surface of the first screw rod (9) is threadedly connected to a movable plate (4), the bottom of the movable plate (4) is fixedly connected to a slider (6), the surface of the movable plate (4) is provided with a groove (7), and the interior of the groove (7) is slidably connected to a T-shaped rod (18).

2. A workpiece fixing table for CNC machine tools according to claim 1, characterized in that: A mounting block (10) is fixedly connected to the surface of the movable plate (4), a second screw rod (13) passes through the surface of the mounting block (10), the second screw rod (13) and the mounting block (10) are rotationally connected, and the second screw rod (13) and the T-shaped rod (18) are threadedly connected.

3. A workpiece fixing table for CNC machine tools according to claim 2, characterized in that: One end of the second screw rod (13) is fixedly connected to a knob (8), and an outer surface of the knob (8) is symmetrically provided with anti-slip grooves.

4. The CNC machine tool workpiece fixing table according to claim 1, characterized in that: The inner end of the T-shaped rod (18) is rotatably connected to a clamping arm (5), and a protrusion (11) is provided on the inner side of the clamping arm (5), and the protrusion (11) is made of rubber.

5. The CNC machine tool workpiece fixing table according to claim 1, characterized in that: A limiting groove (14) is provided on the upper surface of the workbench (1), and the limiting groove (14) corresponds to the sliding block (6).

6. The CNC machine tool workpiece fixing table according to claim 1, characterized in that: A fixing plate (15) is fixedly connected to the side end of the T-shaped rod (18), and a first fixing block (16) is fixedly connected to the surface of the fixing plate (15).

7. The CNC machine tool workpiece fixing table according to claim 4, characterized in that: A second fixing block (17) is fixedly connected to the outer side of the clamping arm (5), and an electric push rod (12) is hinged between the second fixing block (17) and the first fixing block (16).

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