Positioning device for high-precision numerical control machine tool

Abstract

The utility model discloses a positioning device for a high-precision numerical control machine tool, which comprises a horizontal mounting seat, and is characterized in that a material collecting box is fixedly mounted on the lower end surface of the horizontal mounting seat, a swinging arm is mounted in the middle of the material collecting box, and a fixed bracket is fixedly mounted at one end of the upper end surface of the horizontal mounting seat; a limiting push plate is slidably connected to the inner side of the fixed bracket, and an adjusting handle is mounted on the inner side of the limiting push plate; a guide inclined block is slidably connected to the other end of the upper end face of the horizontal mounting base, a leveling sliding block is slidably connected to the middle of the guide inclined block, a connecting sliding plate is mounted on one side of the leveling sliding block, a second transmission motor is fixedly mounted at the other end of the horizontal mounting base, and an electric push rod is mounted on one side of the second transmission motor. The positioning device has the advantages that a workpiece is positioned, supported and horizontally adjusted, so that a chuck of a machine tool can clamp the workpiece conveniently, the workpiece can be automatically positioned by the machine tool, and the positioning device is convenient to use.

Description

Technical Field

[0001] The utility model relates to the field of machine tools, in particular to a positioning device for high-precision numerically controlled machine tools. Background Art

[0002] CNC machine tools are automated machine tools equipped with a program control system that can operate and process parts according to pre-programmed programs. CNC lathes are one of the most widely used CNC machine tools. They are mainly used for cutting and processing of inner and outer cylindrical surfaces of shaft parts or disk parts, inner and outer conical surfaces of arbitrary cone angles, complex rotating inner and outer curved surfaces, and cylindrical and conical threads. Among them, machines with a processing accuracy within the range of 0.004-0.01mm are precision CNC machine tools, and CNC machine tools are divided into manual processing and automatic processing modes. Manual processing requires workers to manually load and unload materials during the CNC machine processing process.

[0003] In the prior art, when the workpieces of the machine tool are manually loaded and unloaded, the workpieces cannot be accurately positioned, the workpiece clamping accuracy cannot be met, and the workpieces are of different types and shapes, making positioning even more difficult. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a positioning device for a high-precision CNC machine tool. In order to solve the above technical problems, the technical solution of the utility model is:

[0005] A positioning device for a high-precision CNC machine tool, comprising a horizontal mounting seat, characterized in that: a material collecting box is fixedly mounted on the lower end surface of the horizontal mounting seat, a swing arm is mounted in the middle of the material collecting box, a fixed bracket is fixedly mounted on one end of the upper end surface of the horizontal mounting seat, a limited push plate is slidably connected to the inner side of the fixed bracket, and an adjustment handle is mounted on the inner side of the limited push plate;

[0006] The other end of the upper end surface of the horizontal mounting seat is slidably connected with a guide bevel block, the middle part of the guide bevel block is slidably connected with a smoothing block, one side of the smoothing block is installed with a connecting slide plate, the other end of the horizontal mounting seat is fixedly installed with a second transmission motor, one side of the second transmission motor is installed with an electric push rod, one end of the electric push rod passes through the horizontal mounting seat and is fixedly connected with the guide bevel block, the inner side of one end of the guide bevel block is rotatably connected with a transmission screw, and the inner side of the other end of the guide bevel block is installed with a guide rod.

[0007] Preferably, a transmission gear ring is fixedly mounted on the bottom end of the swing arm, a fixed mounting plate is rotatably connected to the outer side of the transmission gear ring, and a first transmission motor is fixedly mounted on one side of the fixed mounting plate.

[0008] Preferably, the upper end of the swing arm passes through the collection box and is fixedly connected to the horizontal mounting seat, one end of the first transmission motor is provided with an output shaft, one end of the output shaft is provided with a gear, the output shaft passes through the fixed mounting plate and is connected to the gear through a flat key, and the gear is meshed with the transmission gear ring.

[0009] Preferably, one end of the adjustment handle passes through the fixed bracket and is threadedly connected to the bottom end of the limit push plate, the limit push plate and the fixed bracket are connected via the adjustment handle, and the upper end surface of the fixed bracket is provided with anti-slip grooves.

[0010] Preferably, a guide groove is provided in the middle of the guide bevel block, the smoothing block is arranged on the inner side of the guide groove, the smoothing block is fixedly connected to the connecting slide plate, a slide groove is provided on one side of the connecting slide plate, and the output end of the electric push rod passes through the guide bevel block and is plugged into the inner side of the slide groove.

[0011] Preferably, the output end of the second transmission motor is connected to the transmission screw via a coupling, the guide bevel block is connected to the transmission screw via threads, and one end of the guide rod passes through the guide bevel block and is fixedly connected to the horizontal mounting seat.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] 1. The second transmission motor drives the guide bevel block to slide on the upper end surface of the horizontal mounting seat through the transmission screw, and then the guide bevel block synchronously drives the electric push rod to move under the guidance of the guide rod to meet the positioning of workpieces of different lengths. The first transmission motor drives the transmission gear ring, the swing arm and the horizontal mounting seat to swing through the gear, so that the two ends of the workpiece are supported by the guide bevel block and the fixed bracket, which is convenient for the machine tool chuck to clamp the workpiece. After the positioning is completed, the horizontal mounting seat is reset to separate the guide bevel block and the fixed bracket from the workpiece, which is convenient for the processing of the workpiece;

[0014] 2. The electric push rod drives the leveling block to slide in the middle of the guide bevel block through the connecting slide, and then the leveling block slides along the inclined side of the guide bevel block to adjust the height. Then, the sliding of the leveling block can drive the other end of the workpiece to adjust the level of the workpiece, which is convenient for the machine tool to position the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 A top view of the utility model as a whole;

[0017] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model as a whole;

[0018] Figure 4 This is a schematic diagram of the installation structure of the fixed bracket of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the guide bevel block of the utility model.

[0020] In the figure: 1. fixed mounting plate; 2. first transmission motor; 3. swing arm; 4. horizontal mounting seat; 5. collecting box; 6. transmission screw; 7. guide rod; 8. guide bevel block; 9. fixed bracket; 10. limit push plate; 11. second transmission motor; 12. electric push rod; 13. transmission gear ring; 14. adjustment handle; 15. leveling block; 16. connecting slide plate. DETAILED DESCRIPTION

[0021] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0022] The first transmission motor 2 (model: YS7134), the second transmission motor 11 (model: GV50-3.7KW-60-S) and the electric push rod 12 (model: LBP40) mentioned in the present invention can all be purchased from the market or obtained by private customization.

[0023] As the preferred technical solution of this embodiment, Figure 4 As shown, a positioning device for a high-precision CNC machine tool described in the utility model includes a horizontal mounting seat 4, which is characterized in that: a material collecting box 5 is fixedly installed on the lower end surface of the horizontal mounting seat 4, a swing arm 3 is installed in the middle of the material collecting box 5, and a fixed bracket 9 is fixedly installed on one end of the upper end surface of the horizontal mounting seat 4, and the inner side of the fixed bracket 9 is slidably connected to a limited push plate 10, and an adjusting handle 14 is installed on the inner side of the limited push plate 10, one end of the adjusting handle 14 passes through the fixed bracket 9 and is threadedly connected to the bottom end of the limited push plate 10, the limited push plate 10 is connected to the fixed bracket 9 through the adjusting handle 14, and the upper end surface of the fixed bracket 9 is provided with anti-slip grooves, and the rotation of the adjusting handle 14 facilitates the limited push plate 10 to slide on the inner side of the fixed bracket 9, thereby realizing horizontal pushing of the workpiece.

[0024] As the preferred technical solution of this embodiment, Figure 5As shown, the other end of the upper end surface of the horizontal mounting seat 4 is slidably connected with a guide bevel 8, and the middle part of the guide bevel 8 is slidably connected with a leveling block 15, and a connecting slide plate 16 is installed on one side of the leveling block 15. The other end of the horizontal mounting seat 4 is fixedly installed with a second transmission motor 11, and the output end of the second transmission motor 11 is connected to the transmission screw 6 through a coupling, and the guide bevel 8 is connected to the transmission screw 6 through a threaded connection. One end of the guide rod 7 passes through the guide bevel 8 and is fixedly connected to the horizontal mounting seat 4, and the inner side of one end of the guide bevel 8 is rotatably connected with the transmission screw 6, and the inner side of the other end of the guide bevel 8 is installed with a guide rod 7. The second transmission motor 11 drives the guide bevel 8 to slide on the upper end surface of the horizontal mounting seat 4 through the transmission screw 6, and then the guide bevel 8 synchronously drives the electric push rod 12 to move under the guiding action of the guide rod 7, so as to meet the positioning requirements of workpieces of different lengths.

[0025] As the preferred technical solution of this embodiment, Figure 5 As shown, an electric push rod 12 is installed on one side of the second transmission motor 11, one end of the electric push rod 12 passes through the horizontal mounting seat 4 and is fixedly connected to the guide bevel 8, a guide groove is provided in the middle of the guide bevel 8, and an adjustment block 15 is arranged on the inner side of the guide groove, and the adjustment block 15 is fixedly connected to a connecting slide 16, and a slide groove is provided on one side of the connecting slide 16. The output end of the electric push rod 12 passes through the guide bevel 8 and is plugged into the inner side of the slide groove, so that the electric push rod 12 drives the adjustment block 15 to slide in the middle of the guide bevel 8 through the connecting slide 16 under the support of the guide bevel 8, and then the adjustment block 15 is adjusted in height when sliding along the oblique side of the guide bevel 8, and then the sliding of the adjustment block 15 can drive the other end of the workpiece to be adjusted, thereby realizing the horizontal adjustment of the workpiece.

[0026] As the preferred technical solution of this embodiment, Figures 1 to 3 As shown, a transmission ring gear 13 is fixedly installed at the bottom end of the swing arm 3, and a fixed mounting plate 1 is rotatably connected to the outer side of the transmission ring gear 13. A first transmission motor 2 is fixedly installed on one side of the fixed mounting plate 1. The upper end of the swing arm 3 passes through the collecting box 5 and is fixedly connected to the horizontal mounting seat 4. An output shaft is provided at one end of the first transmission motor 2, and a gear is provided at one end of the output shaft. The output shaft passes through the fixed mounting plate 1 and is connected to the gear through a flat key. The gear is meshed with the transmission ring gear 13. The drive of the first transmission motor 2 can drive the horizontal mounting seat 4 to swing through the swing arm 3 and the transmission ring gear 13.

[0027] Working principle: fix the fixed mounting plate 1 on the inner wall of the machine tool, so that the fixed mounting plate 1 is fixedly mounted on the horizontal mounting seat 4 through the swing arm 3, turn on the power, and when the workpiece is loaded and clamped, adjust the distance between the guide bevel block 8 and the fixed bracket 9 according to the length of the workpiece. Specifically, start the second transmission motor 11, so that the second transmission motor 11 drives the guide bevel block 8 to slide on the upper end surface of the horizontal mounting seat 4 through the transmission screw 6 under the support of the horizontal mounting seat 4, and then the guide bevel block 8 synchronously drives the electric push rod 12 to move under the guiding action of the guide rod 7, so as to meet the positioning of workpieces of different lengths.

[0028] The first transmission motor 2 is started, so that the first transmission motor 2 drives the transmission ring gear 13 to rotate on the inner side of the fixed mounting plate 1 through the transmission of the gear, and then the transmission ring gear 13 drives the horizontal mounting seat 4 to swing through the swing arm 3, so that the two ends of the workpiece are supported by the guide bevel block 8 and the fixed bracket 9, and at this time, the machine tool chuck is used to pre-clamp the end of the workpiece close to the fixed bracket 9;

[0029] Start the electric push rod 12, so that under the support of the guide bevel block 8, the electric push rod 12 drives the leveling block 15 to slide in the middle part of the guide bevel block 8 through the connecting slide plate 16, and then the leveling block 15 is adjusted in height while sliding along the inclined side surface of the guide bevel block 8. Then, the sliding of the leveling block 15 can drive the other end of the workpiece to be adjusted, thereby realizing the horizontal adjustment of the workpiece, which is convenient for the machine tool to position the workpiece. After the positioning is completed, the horizontal mounting seat 4 is reset to separate the guide bevel block 8 and the fixed bracket 9 from the workpiece, which is convenient for the processing of the workpiece.

[0030] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A positioning device for a high-precision CNC machine tool, comprising a horizontal mounting seat (4), characterized in that: A material collecting box (5) is fixedly mounted on the lower end surface of the horizontal mounting seat (4), a swing arm (3) is mounted in the middle of the material collecting box (5), a fixed bracket (9) is fixedly mounted on one end of the upper end surface of the horizontal mounting seat (4), a limited push plate (10) is slidably connected to the inner side of the fixed bracket (9), and an adjustment handle (14) is mounted on the inner side of the limited push plate (10); The other end of the upper end surface of the horizontal mounting seat (4) is slidably connected to a guide bevel block (8), the middle part of the guide bevel block (8) is slidably connected to a leveling block (15), one side of the leveling block (15) is provided with a connecting slide plate (16), the other end of the horizontal mounting seat (4) is fixedly installed with a second transmission motor (11), one side of the second transmission motor (11) is provided with an electric push rod (12), one end of the electric push rod (12) passes through the horizontal mounting seat (4) and is fixedly connected to the guide bevel block (8), the inner side of one end of the guide bevel block (8) is rotatably connected with a transmission screw (6), and the inner side of the other end of the guide bevel block (8) is provided with a guide rod (7).

2. A positioning device for a high-precision CNC machine tool according to claim 1, characterized in that: A transmission gear ring (13) is fixedly mounted on the bottom end of the swing arm (3); a fixed mounting plate (1) is rotatably connected to the outer side of the transmission gear ring (13); and a first transmission motor (2) is fixedly mounted on one side of the fixed mounting plate (1).

3. A positioning device for a high-precision CNC machine tool according to claim 2, characterized in that: The upper end of the swing arm (3) passes through the collecting box (5) and is fixedly connected to the horizontal mounting seat (4); an output shaft is provided at one end of the first transmission motor (2); a gear is provided at one end of the output shaft; the output shaft passes through the fixed mounting plate (1) and is connected to the gear via a flat key; the gear is meshed with the transmission gear ring (13).

4. A positioning device for a high-precision CNC machine tool according to claim 1, characterized in that: One end of the adjusting handle (14) passes through the fixed bracket (9) and is connected to the bottom end of the limiting push plate (10) through a thread; the limiting push plate (10) and the fixed bracket (9) are connected through the adjusting handle (14); and the upper end surface of the fixed bracket (9) is provided with anti-slip grooves.

5. The positioning device for a high-precision CNC machine tool according to claim 1, characterized in that: A guide groove is provided in the middle of the guide bevel block (8), the leveling block (15) is arranged on the inner side of the guide groove, the leveling block (15) is fixedly connected to the connecting slide plate (16), a slide groove is provided on one side of the connecting slide plate (16), and the output end of the electric push rod (12) passes through the guide bevel block (8) and is plugged into the inner side of the slide groove.

6. A positioning device for a high-precision CNC machine tool according to claim 1, characterized in that: The output end of the second transmission motor (11) is connected to the transmission screw (6) via a coupling, the guide bevel block (8) is connected to the transmission screw (6) via threads, and one end of the guide rod (7) passes through the guide bevel block (8) and is fixedly connected to the horizontal mounting seat (4).

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