High-precision transmission structure of intelligent numerical control machine tool

Abstract

The invention relates to the technical field of numerical control machine tools, and discloses an intelligent numerical control machine tool high-precision transmission structure which comprises a base, two cross beams and a moving table are arranged above the base, the moving table is slidably connected between the two cross beams, and an adjusting mechanism is arranged at the top of the base. The adjusting mechanism comprises an electric push rod, a sliding seat, a fixed seat, a rotating shaft, a first hinge rod and a second hinge rod, the fixed seat is fixedly connected to the top of the base, the sliding seat is slidably connected to the top of the base, the electric push rod is fixedly installed at the top of the base, and the output end of the electric push rod is fixedly connected with the outer wall of the left side of the sliding seat through a telescopic rod; the electric push rod is started to drive the sliding base to move rightwards, the sliding base drives the first hinge rod to rotate through the rotating shaft, the first hinge rod drives the cross beam to move upwards, and the cross beam drives the moving table to move upwards, so that the purpose of adjusting the height of the moving table is achieved, the transmission structure can adjust the corresponding machining height, and the applicability of the transmission structure is improved.

Description

Technical Field

[0001] The invention relates to the technical field of numerically controlled machine tools, and in particular to a high-precision transmission structure for intelligent numerically controlled machine tools. Background Art

[0002] CNC machine tool is the abbreviation of digital control machine tool, which 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, express them in coded numbers, and input them into the CNC device through information carriers. After calculation and processing, various control signals are sent by the CNC device to control the movement of the machine tool, and automatically process the parts according to the shape and size required by the drawing. CNC machine tools have better solved the problems of complex, precise, small batch and multi-variety parts processing. They are flexible and efficient automated machine tools and represent the development direction of modern machine tool control technology. With the development of electronic information technology, the world's machine tool industry has entered the era of mechatronics with digital manufacturing technology as the core, among which CNC machine tools are one of the representative products. CNC machine tools are the processing mother machines of the manufacturing industry and an important foundation of the national economy. It provides equipment and means for various sectors of the national economy and has infinitely magnified economic and social effects. Transmission components are an indispensable component in CNC machine tools.

[0003] According to a Chinese patent with the publication number "CN209007067U", a high-precision transmission structure of an intelligent CNC machine tool is disclosed, including a workbench and a transmission assembly, the transmission assembly includes a guide rail, the guide rail is connected to a slider, the slider is connected to the workbench, and the slider is provided with a cylindrical rolling body for contacting the guide rail. The guide rail adopts a roller-type linear structure, and the cylindrical rolling body is in line and surface contact with the guide rail. Under the same load volume, it has better load-bearing capacity and stronger rigidity.

[0004] The above technology improves the problem of weak rigidity of the transmission structure of CNC machine tools in the prior art, but the transmission structure has poor adaptability, is inconvenient to adjust, and cannot be adjusted accordingly according to actual processing conditions. It has certain limitations. Therefore, a high-precision transmission structure of an intelligent CNC machine tool is proposed to solve the above-mentioned problems. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a high-precision transmission structure for an intelligent CNC machine tool in view of the deficiencies in the above-mentioned prior art.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: a high-precision transmission structure of an intelligent CNC machine tool, comprising a base, two beams and a moving platform are arranged above the base, the moving platform is slidably connected between the two beams, an adjustment mechanism is arranged on the top of the base, the adjustment mechanism comprises an electric push rod, a slide seat, a fixed seat, a rotating shaft, an articulated rod 1 and an articulated rod 2, the fixed seat is fixedly connected to the top of the base, and the slide seat is slidably connected to the top of the base, the electric push rod is fixedly installed on the top of the base, and the output end is fixedly connected to the left outer wall of the slide seat through a telescopic rod, the rotating shaft is rotatably connected to the inside of the slide seat and the fixed seat, the middle section of the articulated rod 1 is hinged to the middle section of the articulated rod 2, and the two are cross-arranged, one end of the articulated rod 1 and the articulated rod 2 are both fixedly connected to the outer wall of the rotating shaft, and the other end of the articulated rod 2 is hinged to the outer wall of the beam, the other end of the articulated rod 1 is fixedly connected to a slider, the outer wall of the beam is provided with a sliding groove, and the slider is slidably connected to the inside of the sliding groove.

[0007] A spring 1 is arranged inside the slide groove, and the two ends of the spring 1 are fixedly connected to the outer wall of the slider and the inner wall of the slide groove respectively; a U-shaped rod is fixedly connected to the top of the base, and the U-shaped rod passes through the slide seat and is slidably connected to the slide seat; the spring 1 is arranged to improve the stability of the lifting and lowering of the beam.

[0008] A moving mechanism is arranged above the base, and the moving mechanism includes a T-shaped plate, a motor 1, a screw and a fixed block. The T-shaped plate is fixedly connected between two cross beams, and there are two T-shaped plates. The two T-shaped plates are respectively located on the left and right sides of the moving platform. The motor 1 is fixedly mounted on the outer wall of the T-shaped plate on the right side of the moving platform. The screw is arranged at the output end of the motor 1, and the screw passes through the fixed block and is threadedly connected to the fixed block. The top of the fixed block is fixedly connected to the bottom of the moving platform. The motor 1 is arranged to drive the screw to rotate.

[0009] The left end of the screw rod is rotatably connected to the outer wall of the T-shaped plate on the left side of the moving platform through a bearing. A rectangular groove is provided on the top of each of the two beams. An L-shaped sliding rod is fixedly connected to the front and rear sides of the moving platform. One end of the L-shaped sliding rod is slidably connected to the inside of the rectangular groove. The rectangular groove and the L-shaped sliding rod are provided to enable the moving platform to move stably between the two beams.

[0010] A clamping mechanism is provided on the moving platform, and the clamping mechanism includes a second motor, a second rectangular groove, a bidirectional threaded rod, a connecting rod, a rectangular hole, and a clamping plate. The second rectangular groove is opened at the bottom of the moving platform, and the second motor is fixedly installed on the right side of the moving platform. The bidirectional threaded rod is arranged at the output end of the second motor and is rotatably connected to the inside of the second rectangular groove through a second bearing. The rectangular hole is opened at the top of the moving platform, and the connecting rod passes through the rectangular hole and is slidably connected to the rectangular hole. The bidirectional threaded rod passes through the connecting rod and is threadedly connected to the connecting rod. The clamping plate is arranged on the top of the connecting rod. The second motor is arranged to drive the bidirectional threaded rod to rotate.

[0011] A disassembly and assembly mechanism is provided on the movable platform, and the disassembly and assembly mechanism includes a groove, a mounting block and a clamping rod. The groove is opened at the top of the connecting rod, and the mounting block is fixedly connected to the bottom of the clamping plate and inserted into the inside of the groove. A clamping groove is opened on the outer wall of the mounting block, and one end of the clamping rod passes through the outer wall of the connecting rod and is inserted into the inside of the clamping groove. The clamping rod and the clamping groove are provided to fix the mounting block in the groove.

[0012] The clamping rod is slidably connected to the connecting rod, and the other end is fixedly connected to a slide plate. A buckle groove is provided on the top of the slide plate, and the buckle groove is provided to facilitate the movement of the slide plate.

[0013] The outer wall of the clamping rod is sleeved with a second spring, and the two ends of the second spring are respectively fixedly connected to the outer wall of the slide plate and the outer wall of the connecting rod. The second spring can be provided to drive the clamping rod to reset.

[0014] The present invention adopts the above technical solution to bring the following beneficial effects: 1. The high-precision transmission structure of the intelligent CNC machine tool drives the slide to move right by starting the electric push rod, and the slide drives the hinged rod to rotate through the rotating shaft, the hinged rod drives the crossbeam to move upward, and the crossbeam drives the mobile table to move upward, so as to achieve the purpose of adjusting the height of the mobile table, so that the transmission structure can adjust the corresponding processing height, and improve the applicability of the transmission structure.

[0015] 2. The high-precision transmission structure of the intelligent CNC machine tool drives the screw to rotate by starting the motor, and the screw drives the moving table to move left and right through the fixed block, and the moving table drives the workpiece thereon to move, thereby achieving the purpose of transmission.

[0016] 3. The high-precision transmission structure of the intelligent CNC machine tool places the workpiece to be processed on the top of the mobile table and between the two clamping plates, starts the second motor to drive the bidirectional threaded rod to rotate, and the bidirectional threaded rod drives the two connecting rods to approach each other, so that the two clamping plates clamp and fix the workpiece.

[0017] 4. The intelligent CNC machine tool has a high-precision transmission structure. By holding the groove with fingers and pulling the slide, the slide drives the clamping rod to disengage from the groove, thereby releasing the restriction of the mounting block, making it convenient for the disassembly of the splint and the staff to replace different clamping parts, so that the device can clamp different types of workpieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the internal structure of the chute of the present invention; Figure 3 It is a structural schematic diagram of the mobile mechanism of the present invention; Figure 4 It is a structural schematic diagram of the clamping mechanism of the present invention; Figure 5 is a cross-sectional view of a mobile station of the present invention; Figure 6 It is an enlarged view of A of the present invention; Figure 7 It is a side sectional view of the present invention.

[0019] In the figure: 1. base; 2. crossbeam; 3. moving platform; 4. adjusting mechanism; 41. electric push rod; 42. slide seat; 43. fixed seat; 44. rotating shaft; 45. hinged rod 1; 46. hinged rod 2; 47. U-shaped rod; 48. slide groove; 49. slider; 410. spring 1; 5. moving mechanism; 51. T-plate; 52. motor 1; 53. screw rod; 54. fixing block; 55. L-shaped slide rod; 6. clamping mechanism; 61. motor 2; 62. rectangular groove 2; 63. two-way threaded rod; 64. connecting rod; 65. rectangular hole; 66. clamping plate; 7. disassembly and assembly mechanism; 71. groove; 72. mounting block; 73. clamping rod; 74. slide plate; 75. spring 2; 76. buckle groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "setting" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0024] See also Figure 1-2An embodiment of the present invention is: a high-precision transmission structure of an intelligent CNC machine tool, comprising a base 1, two beams 2 and a moving platform 3 are arranged above the base 1, the moving platform 3 is slidably connected between the two beams 2, an adjustment mechanism 4 is arranged on the top of the base 1, the adjustment mechanism 4 comprises an electric push rod 41, a slide 42, a fixed seat 43, a rotating shaft 44, an articulated rod 1 45 and an articulated rod 2 46, the fixed seat 43 is fixedly connected to the top of the base 1, and the slide 42 is slidably connected to the top of the base 1, the electric push rod 41 is fixedly installed on the top of the base 1, and the output end is fixedly connected to the left outer wall of the slide 42 through a telescopic rod, the rotating shaft 44 is rotatably connected to the inside of the slide 42 and the fixed seat 43, the middle section of the articulated rod 1 45 is hinged to the middle section of the articulated rod 2 46, and the two are cross-arranged The base 1 is provided with a U-shaped rod 47, and the U-shaped rod 47 passes through the slide 42 and is slidably connected to the slide 42. The spring 410 is arranged inside the slide 48, and the two ends of the spring 410 are respectively fixedly connected to the outer wall of the slide 49 and the inner wall of the slide 48. The top of the base 1 is fixedly connected with a U-shaped rod 47, and the U-shaped rod 47 passes through the slide 42 and is slidably connected to the slide 42. The spring 410 is arranged to improve the stability of the lifting and lowering of the beam 2, and the U-shaped rod 47 is arranged to make the slide 42 stably slide left and right and limit its sliding distance.

[0025] Working principle: By starting the electric push rod 41, the slide 42 is driven to move right, the slide 42 drives the hinge rod 45 to rotate through the rotating shaft 44, the hinge rod 45 drives the crossbeam 2 to move upward, and the crossbeam 2 drives the movable platform 3 to move upward, so as to achieve the purpose of adjusting the height of the movable platform 3, so that the transmission structure can adjust the corresponding processing height, and improve the applicability of the transmission structure.

[0026] See also Figure 3-4On the basis of the above embodiment, in another embodiment of the present invention, a moving mechanism 5 is arranged above the base 1, and the moving mechanism 5 includes a T-shaped plate 51, a motor 52, a screw 53 and a fixed block 54. The T-shaped plate 51 is fixedly connected between the two cross beams 2, and the number is two. The two T-shaped plates 51 are respectively located on the left and right sides of the moving platform 3. The motor 52 is fixedly installed on the outer wall of the T-shaped plate 51 located on the right side of the moving platform 3. The screw 53 is arranged at the output end of the motor 52, and the screw 53 passes through the fixed block 54 and the fixed block 54 screw The top of the fixed block 54 is fixedly connected to the bottom of the moving platform 3, and the motor 52 is provided to drive the screw rod 53 to rotate. The left end of the screw rod 53 is rotatably connected to the outer wall of the T-shaped plate 51 located on the left side of the moving platform 3 through a bearing 1. A rectangular groove 1 is provided on the top of the two beams 2, and an L-shaped slide bar 55 is fixedly connected to the front and rear sides of the moving platform 3. One end of the L-shaped slide bar 55 is slidably connected to the inside of the rectangular groove 1. The rectangular groove 1 and the L-shaped slide bar 55 are provided to enable the moving platform 3 to move stably between the two beams 2.

[0027] Working principle: by starting the motor 52, the screw rod 53 is driven to rotate, the screw rod 53 drives the movable platform 3 to move left and right through the fixed block 54, and the movable platform 3 drives the workpiece thereon to move, thereby achieving the purpose of transmission.

[0028] See also Figure 4-5 On the basis of the above embodiment, in another embodiment of the present invention, a clamping mechanism 6 is provided on the moving platform 3, and the clamping mechanism 6 includes a second motor 61, a second rectangular groove 62, a bidirectional threaded rod 63, a connecting rod 64, a rectangular hole 65, and a clamping plate 66. The second rectangular groove 62 is opened at the bottom of the moving platform 3, and the second motor 61 is fixedly installed on the right side of the moving platform 3. The bidirectional threaded rod 63 is arranged at the output end of the second motor 61 and is rotatably connected to the inside of the second rectangular groove 62 through the second bearing. The rectangular hole 65 is opened at the top of the moving platform 3, and the connecting rod 64 passes through the rectangular hole 65 and is slidably connected to the rectangular hole 65. The bidirectional threaded rod 63 passes through the connecting rod 64 and is threadedly connected to the connecting rod 64. The clamping plate 66 is arranged on the top of the connecting rod 64. The second motor 61 is arranged to drive the bidirectional threaded rod 63 to rotate.

[0029] Working principle: by placing the workpiece to be processed on the top of the movable table 3 and between the two clamps 66, starting the second motor 61 to drive the bidirectional threaded rod 63 to rotate, the bidirectional threaded rod 63 drives the two connecting rods 64 to approach each other, so that the two clamps 66 clamp and fix the workpiece.

[0030] See also Figure 5-7On the basis of the above embodiment, in another embodiment of the present invention, a disassembly and assembly mechanism 7 is provided on the movable platform 3, and the disassembly and assembly mechanism 7 includes a groove 71, a mounting block 72 and a clamping rod 73. The groove 71 is provided at the top of the connecting rod 64, and the mounting block 72 is fixedly connected to the bottom of the clamping plate 66 and inserted into the inside of the groove 71. The outer wall of the mounting block 72 is provided with a clamping groove, and one end of the clamping rod 73 passes through the outer wall of the connecting rod 64 and is inserted into the inside of the clamping groove. The clamping rod 73 and the clamping groove are provided to fix the mounting block 72 in the groove 71. The clamping rod 73 is slidably connected to the connecting rod 64, and the other end is fixedly connected to a slide plate 74. A buckle groove 76 is provided on the top of the slide plate 74. The buckle groove 76 is provided to facilitate the movement of the slide plate 74. The outer wall of the clamping rod 73 is provided with a spring 2 75, and the two ends of the spring 2 75 are respectively fixedly connected to the outer wall of the slide plate 74 and the outer wall of the connecting rod 64. The clamping rod 73 can be driven to reset by providing the spring 2 75.

[0031] Working principle: By holding the buckle slot 76 with your fingers and pulling the slide plate 74, the slide plate 74 drives the clamping rod 73 to disengage from the slot, thereby releasing the restriction of the mounting block 72, thereby facilitating the disassembly of the splint 66 and the replacement of different clamping parts by the staff, so that the device can clamp different types of workpieces.

[0032] It is worth noting that the motor 1 52, the motor 2 61 and the electric push rod 41 are all controlled by a controller. The above are all existing technologies and are not the main innovations, so they will not be described in detail here.

[0033] The present invention provides a high-precision transmission structure for intelligent CNC machine tools. There are many methods and ways to implement the technical solution. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A high-precision transmission structure for an intelligent CNC machine tool, comprising a base (1), characterized in that: Two crossbeams (2) and a moving platform (3) are arranged above the base (1), and the moving platform (3) is slidably connected between the two crossbeams (2). An adjustment mechanism (4) is arranged on the top of the base (1), and the adjustment mechanism (4) comprises an electric push rod (41), a sliding seat (42), a fixed seat (43), a rotating shaft (44), a hinge rod 1 (45) and a hinge rod 2 (46). The fixed seat (43) is fixedly connected to the top of the base (1), and the sliding seat (42) is slidably connected to the top of the base (1). The electric push rod (41) is fixedly installed on the top of the base (1), and the output end is connected to the sliding seat through a telescopic rod. The left outer wall of the rotating shaft (42) is fixedly connected, the rotating shaft (44) is rotatably connected inside the sliding seat (42) and the fixed seat (43), the middle section of the hinged rod (45) is hinged to the middle section of the hinged rod (46), and the two are arranged crosswise, one end of the hinged rod (45) and the hinged rod (46) are both fixedly connected to the outer wall of the rotating shaft (44), and the other end of the hinged rod (46) is hinged to the outer wall of the cross beam (2), the other end of the hinged rod (45) is fixedly connected to a slider (49), the outer wall of the cross beam (2) is provided with a slide groove (48), and the slider (49) is slidably connected inside the slide groove (48).

2. The high-precision transmission structure of an intelligent CNC machine tool according to claim 1, characterized in that: A spring 1 (410) is disposed inside the slide groove (48), and two ends of the spring 1 (410) are respectively fixedly connected to the outer wall of the slider (49) and the inner wall of the slide groove (48). A U-shaped rod (47) is fixedly connected to the top of the base (1), and the U-shaped rod (47) passes through the slide seat (42) and is slidably connected to the slide seat (42).

3. The high-precision transmission structure of an intelligent CNC machine tool according to claim 1, characterized in that: A moving mechanism (5) is arranged above the base (1), and the moving mechanism (5) comprises a T-shaped plate (51), a motor (52), a screw (53) and a fixed block (54). The T-shaped plate (51) is fixedly connected between the two cross beams (2), and there are two of them. The two T-shaped plates (51) are respectively located on the left and right sides of the moving platform (3). The motor (52) is fixedly mounted on the outer wall of the T-shaped plate (51) located on the right side of the moving platform (3). The screw (53) is arranged at the output end of the motor (52), and the screw (53) passes through the fixed block (54) and is threadedly connected to the fixed block (54). The top of the fixed block (54) is fixedly connected to the bottom of the moving platform (3).

4. The high-precision transmission structure of an intelligent CNC machine tool according to claim 3 is characterized in that: The left end of the screw rod (53) is rotatably connected to the outer wall of the T-shaped plate (51) located on the left side of the moving platform (3) through a bearing. A rectangular groove (1) is provided on the top of each of the two cross beams (2). The front and rear sides of the moving platform (3) are fixedly connected to an L-shaped sliding rod (55), and one end of the L-shaped sliding rod (55) is slidably connected to the inside of the rectangular groove (1).

5. The high-precision transmission structure of an intelligent CNC machine tool according to claim 1, characterized in that: The movable platform (3) is provided with a clamping mechanism (6), the clamping mechanism (6) comprising a second motor (61), a second rectangular groove (62), a bidirectional threaded rod (63), a connecting rod (64), a rectangular hole (65), and a clamping plate (66). The second rectangular groove (62) is provided at the bottom of the movable platform (3), the second motor (61) is fixedly mounted on the right side of the movable platform (3), the bidirectional threaded rod (63) is provided at the output end of the second motor (61) and is rotatably connected to the inside of the second rectangular groove (62) through a second bearing, the rectangular hole (65) is provided at the top of the movable platform (3), the connecting rod (64) passes through the rectangular hole (65) and is slidably connected to the rectangular hole (65), the bidirectional threaded rod (63) passes through the connecting rod (64) and is threadedly connected to the connecting rod (64), and the clamping plate (66) is provided at the top of the connecting rod (64).

6. The high-precision transmission structure of an intelligent CNC machine tool according to claim 5, characterized in that: The movable platform (3) is provided with a disassembly and assembly mechanism (7), the disassembly and assembly mechanism (7) comprising a groove (71), a mounting block (72) and a clamping rod (73), the groove (71) being formed at the top of the connecting rod (64), the mounting block (72) being fixedly connected to the bottom of the clamping plate (66) and inserted into the interior of the groove (71), the outer wall of the mounting block (72) being provided with a clamping groove, and one end of the clamping rod (73) passing through the outer wall of the connecting rod (64) and being inserted into the interior of the clamping groove.

7. The high-precision transmission structure of an intelligent CNC machine tool according to claim 6, characterized in that: The clamping rod (73) is slidably connected to the connecting rod (64), and the other end is fixedly connected to a slide plate (74), and a buckle groove (76) is formed on the top of the slide plate (74).

8. The high-precision transmission structure of an intelligent CNC machine tool according to claim 7, characterized in that: The outer wall of the clamping rod (73) is sleeved with a second spring (75), and the two ends of the second spring (75) are respectively fixedly connected to the outer wall of the slide plate (74) and the outer wall of the connecting rod (64).

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