Workbench of numerical control milling machine

Abstract

The utility model discloses a numerical control milling machine working table, which relates to the technical field of numerical control machining equipment and comprises a working table seat, two clamping plates are symmetrically arranged on two sides of the top of the working table seat, and a sliding seat is arranged in the working table. A gland is arranged at the top of the sliding seat, and a rotating shaft is arranged in the sliding seat; pressing plates are arranged in the two sides of the bottom of the gland. A plurality of pull rod fixing seats are uniformly arranged on the rotating shaft at intervals, one end of the rotating shaft penetrates through the sliding seat and is provided with a hand wheel, and one end, close to the hand wheel, of the rotating shaft is provided with a first tightening nut; a rotating rod limiting seat is arranged at the top of the pressing plate; two pull rods are arranged at the two ends of the pull rod fixing seat; a rotating rod is arranged at the top of the rotating rod limiting seat; a limiting pin is arranged at the other end of the pull rod, and a second tightening nut is arranged on the side, close to the gland, of the rotating rod. By means of the structure, use of screws can be reduced, the clamp can be rapidly replaced and fixed, workload is reduced, and working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control processing equipment, in particular to a numerical control milling machine workbench. Background Art

[0002] CNC milling machine, also known as CNC milling machine, is a milling machine controlled by electronic digital signals. It is an automatic processing equipment developed on the basis of general milling machine. The processing technology of the two is basically the same, and the structure is somewhat similar. The CNC milling machine table is an important part of the CNC milling machine. Its design, function and use have a vital impact on the performance and processing quality of the machine tool.

[0003] In the process of turning and milling, different fixtures are usually required to meet the processing requirements of different parts. Most of the existing CNC milling machine workbenches use mechanical force to fix the fixtures, such as bolts and screws. During the fixing and disassembly process, it takes a certain amount of time and effort to tighten or loosen the screws. When the fixture needs to be frequently replaced or adjusted, the frequent use of screws will increase the workload and reduce work efficiency. Therefore, we propose a CNC milling machine workbench to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to provide a CNC milling machine workbench to solve the problem that the existing CNC milling machine workbench mentioned in the above background technology mostly uses screws to fix the clamps, and it takes a certain amount of time and energy to tighten or loosen the screws during the fixing and disassembly process. When the clamps need to be frequently replaced or adjusted, the frequent use of screws will increase the workload and reduce the work efficiency.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A CNC milling machine workbench comprises a workbench seat, two clamping plates are symmetrically arranged on both sides of the top of the workbench seat, a sliding seat is arranged inside the workbench, a pressure cover is arranged on the top of the sliding seat, a rotating shaft is arranged inside the sliding seat, clamping plates are arranged on both sides of the bottom of the pressure cover, a plurality of pull rod fixing seats are evenly spaced on the rotating shaft, a hand wheel is arranged at one end of the rotating shaft passing through the sliding seat, a first tightening nut is arranged at the end of the rotating shaft close to the hand wheel, a rotating rod limiting seat is arranged on the top of the clamping plate, two pull rods are arranged at both ends of the pull rod fixing seat, a rotating rod is arranged on the top of the rotating rod limiting seat, a limiting pin is arranged at the other end of the pull rod, and a second tightening nut is arranged on the side of the rotating rod close to the pressure cover.

[0007] Furthermore, a first slide groove is provided on the top of the workbench, and a plurality of U-shaped grooves are evenly spaced on one side of the card plate. The card plate is fixedly connected to the top of the workbench, and the two card plates with the U-shaped grooves on one side are arranged close to each other. A groove is provided on the top of the sliding seat, and the sliding seat is slidably connected inside the first slide groove, and a plurality of second slide grooves are evenly spaced on both sides of the groove.

[0008] Furthermore, both ends of the rotating shaft are rotatably connected to the sliding seats respectively, one end of the rotating shaft passes through the sliding seat and is fixedly connected to the handwheel, the pull rod fixing seat is fixedly connected to the rotating shaft, the first tightening nut is located between the sliding seat and the handwheel, and the first tightening nut is rotatably connected to the rotating shaft through a thread.

[0009] Furthermore, one end of the pull rod is rotatably connected to the pull rod fixing seat, and one end of the pull rod is rotatably connected to the limit pin. The limit pin is projected into a U shape in a top view, and the limit pin is slidably connected inside the second sliding groove.

[0010] Furthermore, two clamping grooves are symmetrically arranged on both sides of the bottom of the pressure cover, the pressure cover is movably installed with the sliding seat, and the clamping plate is slidably connected inside the clamping groove.

[0011] Furthermore, the rotating rod limit seat is fixedly connected to the clamping plate, the rotating rod includes a threaded rotating rod and a limit block, the threaded rotating rod is rotatably connected to the pressure cover via a thread, one end of the threaded rotating rod passes through the pressure cover and is fixedly connected to the limit block, the limit block is rotatably connected inside the rotating rod limit seat, and the second tightening nut is rotatably connected to the threaded rotating rod via a thread.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model is provided with a workbench seat, two cardboards are symmetrically arranged on both sides of the top of the workbench seat, a sliding seat is arranged inside the workbench, a plurality of U-shaped card slots are evenly arranged on one side of the cardboard, a rotating shaft is arranged inside the sliding seat, a plurality of pull rod fixing seats are evenly arranged on the rotating shaft, a hand wheel is arranged at one end of the rotating shaft passing through the sliding seat, two pull rods are arranged at both ends of the pull rod fixing seat, and a limit pin is arranged at the other end of the pull rod. In this process, by rotating the hand wheel, the rotating shaft is driven, and then the pull rod fixing seat is driven, and the pull rod is further driven, so that the limit pin is inserted into the U-shaped card slot, the sliding seat can be quickly fixed, and then the clamp is fixed, and it is convenient to quickly adjust the position, reduce the workload of disassembling and assembling the clamp, and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2This is a schematic diagram of the internal installation structure of the sliding seat of the utility model;

[0016] Figure 3 It is a schematic diagram of the installation structure of the utility model in a side cross-section;

[0017] Figure 4 This is a front cross-sectional installation structure schematic diagram of the utility model;

[0018] Figure markings: 1. workbench base; 101. first slide groove; 2. clamping plate; 201. U-shaped clamping groove; 3. sliding seat; 301. groove; 302. second slide groove; 4. pressure cover; 401. clamping groove; 5. rotating shaft; 6. clamping plate; 7. pull rod fixing seat; 8. hand wheel; 9. first tightening nut; 10. rotating rod limiting seat; 11. pull rod; 12. limiting pin; 13. rotating rod; 1301. threaded rotating rod; 1302. limiting block; 14. second tightening nut. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-Figure 4 The utility model provides a technical solution: a CNC milling machine workbench, comprising a workbench seat 1, two card plates 2 are symmetrically arranged on both sides of the top of the workbench seat 1, a sliding seat 3 is arranged inside the workbench, a pressure cover 4 is arranged on the top of the sliding seat 3, a rotating shaft 5 is arranged inside the sliding seat 3, and clamping plates 6 are arranged on both sides of the bottom of the pressure cover 4, a plurality of tie rod fixing seats 7 are evenly spaced on the rotating shaft 5, a hand wheel 8 is arranged at one end of the rotating shaft 5 passing through the sliding seat 3, a first tightening nut 9 is arranged at the end of the rotating shaft 5 close to the hand wheel 8, a rotating rod limiting seat 10 is arranged on the top of the clamping plate 6, two tie rods 11 are arranged at both ends of the tie rod fixing seat 7, a rotating rod 13 is arranged on the top of the rotating rod limiting seat 10, a limiting pin 12 is arranged on the other end of the tie rod 11, and a second tightening nut 14 is arranged on the side of the rotating rod 13 close to the pressure cover 4.

[0021] The top of the workbench 1 is provided with a first slide groove 101, and one side of the card plate 2 is evenly spaced with a plurality of U-shaped card grooves 201, the card plate 2 is fixedly connected to the top of the workbench 1, and the two card plates 2 are provided with U-shaped card grooves 201 on one side and are arranged close to each other, the top of the sliding seat 3 is provided with a groove 301, the sliding seat 3 is slidably connected inside the first slide groove 101, and a plurality of second slide grooves 302 are evenly spaced on both sides of the groove 301. In this example, by providing the first slide groove 101, the sliding seat 3 can quickly slide into the inside of the workbench 1, thereby quickly fixing the fixture.

[0022] The two ends of the rotating shaft 5 are respectively rotatably connected with the sliding seat 3, one end of the rotating shaft 5 passes through the sliding seat 3 and is fixedly connected with the hand wheel 8, the pull rod fixing seat 7 is fixedly connected with the rotating shaft 5, the first tightening nut 9 is located between the sliding seat 3 and the hand wheel 8, and the first tightening nut 9 is rotatably connected with the rotating shaft 5 through a thread. In this example, by rotating the first tightening nut 9, the rotating shaft 5 can be fixed to prevent the rotating shaft 5 from rotating due to vibration during the milling process, causing the limit pin 12 to be pushed out of the U-shaped slot 201, so that the sliding seat 3 is loosened.

[0023] One end of the pull rod 11 is rotatably connected to the pull rod fixing seat 7, and one end of the pull rod 11 is rotatably connected to the limit pin 12. The limit pin 12 is U-shaped in top view, and the limit pin 12 is slidably connected inside the second slide groove 302. In this example, by rotating the pull rod fixing seat 7 and then driving the pull rod 11, the limit pin 12 can be quickly controlled to move, thereby realizing the rapid fixing of the sliding seat 3.

[0024] Two pressing grooves 401 are symmetrically arranged on both sides of the bottom of the pressing cover 4 . The pressing cover 4 is movably installed with the sliding seat 3 , and the pressing plate 6 is slidably connected inside the pressing groove 401 .

[0025] The rotating rod limit seat 10 is fixedly connected to the pressing plate 6, and the rotating rod 13 includes a threaded rotating rod 1301 and a limit block 1302. The threaded rotating rod 1301 is rotatably connected to the pressure cover 4 through a thread, and one end of the threaded rotating rod 1301 passes through the pressure cover 4 and is fixedly connected to the limit block 1302. The limit block 1302 is rotatably connected inside the rotating rod limit seat 10, and the second tightening nut 14 is rotatably connected to the threaded rotating rod 1301 through a thread. In this example, by rotating the second tightening nut 14, the threaded rotating rod 1301 can be firmly fixed to prevent the threaded rotating rod 1301 from rotating due to vibration, causing the pressure plate 6 to loosen the pressure cover 4, and then causing the sliding seat 3 to loosen.

[0026] Working principle: Slide the sliding seat 3 into the workbench seat 1 through the first sliding groove 101, and then drive the rotating shaft 5 to rotate by turning the hand wheel 8, and further drive the pull rod fixing seat 7 to rotate, so that the pull rod 11 pushes out the limit pin 12, and the limit pin 12 is inserted into the U-shaped slot 201 through the second sliding groove 302. Rotate the first tightening nut 9 to fix the rotating shaft 5, and drive the limit block 1302 to move downward by screwing the threaded rotating rod 1301. The limit block 1302 rotates inside the rotating rod limit seat 10, and then drive the clamping plate 6 to clamp the clamping plate 2, and fix the rotating rod 13 by rotating the second tightening nut 14, thereby fixing the sliding seat 3.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A CNC milling machine workbench, characterized in that: The workbench comprises a workbench seat (1), two clamping plates (2) are symmetrically arranged on both sides of the top of the workbench seat (1), a sliding seat (3) is arranged inside the workbench, a pressure cover (4) is arranged on the top of the sliding seat (3), a rotating shaft (5) is arranged inside the sliding seat (3), pressing plates (6) are arranged inside the bottom of the pressure cover (4), a plurality of tie rod fixing seats (7) are evenly spaced on the rotating shaft (5), and a hand wheel is arranged at one end of the rotating shaft (5) through the sliding seat (3). (8), a first tightening nut (9) is arranged at one end of the rotating shaft (5) close to the hand wheel (8), a rotating rod limiting seat (10) is arranged at the top of the clamping plate (6), two pulling rods (11) are arranged at both ends of the pulling rod fixing seat (7), a rotating rod (13) is arranged at the top of the rotating rod limiting seat (10), a limiting pin (12) is arranged at the other end of the pulling rod (11), and a second tightening nut (14) is arranged on the side of the rotating rod (13) close to the pressure cover (4).

2. A CNC milling machine workbench according to claim 1, characterized in that: The top of the workbench (1) is provided with a first slide groove (101), one side of the card plate (2) is provided with a plurality of U-shaped card grooves (201) at even intervals, the card plate (2) is fixedly connected to the top of the workbench (1), and the two card plates (2) are provided with U-shaped card grooves (201) on one side and are arranged close to each other, the top of the sliding seat (3) is provided with a groove (301), the sliding seat (3) is slidably connected inside the first slide groove (101), and a plurality of second slide grooves (302) are evenly spaced on both sides of the groove (301).

3. A CNC milling machine workbench according to claim 2, characterized in that: The two ends of the rotating shaft (5) are respectively rotatably connected to the sliding seat (3), one end of the rotating shaft (5) passes through the sliding seat (3) and is fixedly connected to the hand wheel (8), the pull rod fixing seat (7) is fixedly connected to the rotating shaft (5), and the first tightening nut (9) is located between the sliding seat (3) and the hand wheel (8), and the first tightening nut (9) is rotatably connected to the rotating shaft (5) through a thread.

4. A CNC milling machine workbench according to claim 3, characterized in that: One end of the pull rod (11) is rotatably connected to the pull rod fixing seat (7), and one end of the pull rod (11) is rotatably connected to the limit pin (12). The limit pin (12) is U-shaped in top view, and the limit pin (12) is slidably connected inside the second slide groove (302).

5. The CNC milling machine workbench according to claim 1, characterized in that: Two clamping grooves (401) are symmetrically arranged on both sides of the bottom of the pressure cover (4), the pressure cover (4) and the sliding seat (3) are movably installed, and the clamping plate (6) is slidably connected inside the clamping groove (401).

6. The CNC milling machine workbench according to claim 1, characterized in that: The rotating rod limit seat (10) is fixedly connected to the clamping plate (6), and the rotating rod (13) includes a threaded rotating rod (1301) and a limit block (1302). The threaded rotating rod (1301) is rotatably connected to the pressure cover (4) via a thread, and one end of the threaded rotating rod (1301) passes through the pressure cover (4) and is fixedly connected to the limit block (1302). The limit block (1302) is rotatably connected inside the rotating rod limit seat (10), and the second tightening nut (14) is rotatably connected to the threaded rotating rod (1301) via a thread.

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