Broken tool detection equipment for numerical control machine tool

Abstract

The utility model relates to the technical field of broken cutter detection, in particular to broken cutter detection equipment for a numerical control machine tool, which can be used for conveniently dismounting and mounting a detector, is convenient to use, saves the dismounting and mounting time and reduces the labor intensity of workers. Comprising a machine body, a cutter and a mounting box, the cutter is located at the lower end of the top of the machine body, the mounting box is mounted on the right side wall of the machine body through an inserting assembly, the inserting assembly comprises a top plate, two bolts, an inserting column and two limiting sliding blocks, a lifting assembly is mounted in the mounting box, and a moving plate is fixedly mounted at the lower end of the lifting assembly; a position adjusting assembly is installed at the bottom of the movable plate, and a plurality of limiting sliding blocks are installed at the output end of the position adjusting assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of broken tool detection, in particular to a broken tool detection device for a numerical control machine tool. Background Art

[0002] CNC machine tools are short for digitally controlled machine tools. They are automated machine tools equipped with a program control system that can operate and process parts according to pre-programmed programs. Tools with smaller diameters often break unexpectedly when working on high-precision machining centers. Since there is no sign of tool breakage, the machining center continues to operate according to the pre-programmed tool path after the tool breaks, which not only wastes time, but also causes major problems for product assembly if defective workpieces flow to downstream processes. A tool breaking detection device for a numerically controlled machine tool proposed in prior art publication number CN216421923U includes a positioning plate, a housing, a moving assembly, a sliding rod and a pressure sensor; a circular positioning plate is coaxially sleeved and fixedly provided in the middle of the tool near its blade, and a housing is also fitted and fixedly provided at a lower position on one side of the spindle frame, the housing is a vertically arranged hollow rectangular parallelepiped structure, and an L-shaped sliding rod is vertically arranged inside the housing near one side of the spindle frame, the vertical end of the sliding rod vertically extends downward from the lower surface of the housing, and a pressure sensor is also provided on the end face of its vertical end, the horizontal end of the sliding rod moves vertically up and down in the housing through the moving assembly, and drives the pressure sensor to move vertically downward in the direction of the positioning plate; the tool is detected for tool breaking by contact between the pressure sensor and the positioning plate. However, it is fixedly connected during use, and when the detector fails, it is very inconvenient to disassemble or install the detector, which not only increases the labor intensity of the manual labor, but also wastes time. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a CNC machine tool broken tool detection device which can facilitate the disassembly and installation of the detector, is easy to use, saves disassembly and installation time, and reduces the labor intensity of the staff.

[0004] A tool breakage detection device for a numerically controlled machine tool of the present utility model includes a machine body, a tool, and an installation box. The tool is located at the lower end of the top of the machine body. An installation box is installed on the right side wall of the machine body through an insertion assembly. A lifting assembly is installed inside the installation box. A moving plate is fixedly installed at the lower end of the lifting assembly. A position adjustment assembly is installed at the bottom of the moving plate, and a plurality of limit sliders are installed at the output end of the position adjustment assembly. The installation box is installed on the machine body through the insertion assembly, which is convenient for disassembling and installing the detector, easy to use, saves disassembly and installation time, and reduces the labor intensity of the staff. The detector is driven downward by the lifting assembly, and at the same time, the position adjustment assembly drives the detector to approach the tool for detection, thus avoiding the occurrence of ineffective processing, workpiece destructive processing, and waste of working hours, and improving the processing efficiency.

[0005] Preferably, the insertion assembly includes a top plate, two bolts, an insertion post, and two limit sliders. The top plate is fixedly connected to the top end of the installation box. Bolts are screwed on the front and rear sides of the top of the top plate. An insertion post is fixedly installed at the left bottom end of the top plate. A jack matching the insertion post is opened at the right part of the top end of the machine body. The limit sliders are symmetrically installed on the front and rear sides of the insertion post at the left bottom end of the top plate. A guiding slot is opened on the right side wall of the machine body. During use, the installation box drives the insertion post to insert into the jack, and at the same time drives the limit sliders to insert into the guiding slot, and the bolts are tightened to fix the top plate, thereby fixing the installation box by insertion, which is convenient for disassembling and installing the detector, easy to use, saves disassembly and installation time, and reduces the labor intensity of the staff.

[0006] Preferably, the lifting assembly includes a fixed plate, a forward and reverse motor, a lead screw, a lifting plate, and a plurality of push rods. The fixed plate is fixedly installed on the upper side inside the installation box. The forward and reverse motor is fixedly installed in the middle of the top end of the fixed plate. The output end of the forward and reverse motor passes through the top end of the fixed plate and is fixedly installed with a lead screw. The lead screw is rotatably installed inside the installation box. The middle part of the lifting plate is screwed on the outer wall of the lead screw. Push rods are fixedly installed at the four corners of the bottom of the lifting plate. The push rods slide through the bottom end of the installation box and are fixedly connected to the top of the moving plate. Starting the forward and reverse motor drives the lead screw to rotate. The lead screw pushes the lifting plate to move downward inside the installation box. The lifting plate pushes the push rods to move downward, pushing the moving plate to move, so that the detector can detect tools of different lengths and improve the applicable range.

[0007] Preferably, guiding columns are respectively fixedly installed at the four corners of the bottom of the fixed plate. The bottom ends of the guiding columns are fixedly installed at the bottom end inside the installation box, and the four corners of the lifting plate are respectively slidably installed on the outer walls of the guiding columns. When the lifting plate moves, it slides on the outer walls of the guiding columns to support and guide it, ensuring stability during movement and improving detection accuracy.

[0008] Preferably, the position adjustment assembly includes an electric telescopic rod, a mounting bracket, and a support member. The electric telescopic rod is fixedly installed in the middle of the bottom end of the moving plate. The telescopic end of the electric telescopic rod is fixedly installed with a mounting bracket. The left side of the mounting bracket is arc-shaped, and the detector is fixedly installed on the left side wall of the mounting bracket. When the electric telescopic rod is started to push the mounting bracket towards the tool, the distance between the detector and the tool is adjusted to perform real-time tool breakage detection on the tool, thereby avoiding ineffective processing, workpiece destructive processing, and waste of working hours, and improving the processing efficiency.

[0009] Preferably, the support member includes two support plates and two support sliding columns. The two support plates are symmetrically installed at the front and rear ends of the bottom of the moving plate with respect to the electric telescopic rod. The left end of the support sliding column is fixedly connected to the front and rear ends of the mounting bracket, and the support sliding column is slidably installed on the support plate. When the electric telescopic rod pushes the mounting bracket to move, the mounting bracket drives the support sliding column to move on the support plate, which can support and guide the mounting bracket and ensure its service life.

[0010] Preferably, the four corners of the right side wall of the installation box are installed with maintenance covers through screws; Unscrewing the screws can remove the maintenance cover on the right side wall of the installation box, which is convenient for internal maintenance and improves the convenience during use.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: The installation box is installed on the machine body through the insertion assembly, which can facilitate the disassembly and installation of the detector, is convenient to use, saves disassembly and assembly time, reduces the labor intensity of the staff, drives the detector to move downward through the lifting assembly, and at the same time the position adjustment assembly drives the detector to approach the tool for detection, thereby avoiding ineffective processing, workpiece destructive processing, and waste of working hours, and improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is the structural schematic diagram of the present utility model;

[0013] Figure 2 is the axonometric structural schematic diagram of the present utility model;

[0014] Figure 3 is the partial sectional structural schematic diagram of the present utility model;

[0015] Figure 4 is the top view sectional structural schematic diagram of the present utility model;

[0016] Figure 5 is the front view sectional structural schematic diagram of the present utility model;

[0017] Figure 6 is the right view sectional structural schematic diagram of the present utility model;

[0018] Reference numerals in the drawings: 1, fuselage; 2, cutting tool; 3, mounting box; 4, top plate; 5, bolt; 6, plug post; 7, limit slider; 8, fixing plate; 9, forward and reverse motor; 10, lead screw; 11, lifting plate; 12, push rod; 13, moving plate; 14, electric telescopic rod; 15, guide post; 16, mounting bracket; 17, detector; 18, support plate; 19, support sliding column; 20, maintenance cover plate; 21, screw. Detailed implementation manners

[0019] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0020] As Figures 1 to 6 shown, the cutting tool 2 is located at the lower end of the top of the fuselage 1. The top plate 4 is fixedly connected to the top end of the mounting box 3. Bolts 5 are screwed on the front and rear sides of the top of the top plate 4. A plug post 6 is fixedly installed at the bottom end of the left side of the top plate 4. A jack matching the plug post 6 is opened at the upper right part of the top end of the fuselage 1. The limit sliders 7 are symmetrically installed on the front and rear sides of the bottom end of the left side of the top plate 4 with respect to the plug post 6. A guide slot is opened on the right side wall of the fuselage 1. Maintenance cover plates 20 are installed at the four corners of the right side wall of the mounting box 3 through screws 21. The fixing plate 8 is fixedly installed on the upper side inside the mounting box 3. The forward and reverse motor 9 is fixedly installed at the middle of the top end of the fixing plate 8. The output end of the forward and reverse motor 9 passes through the top end of the fixing plate 8 and is fixedly installed with a lead screw 10. The lead screw 10 is rotatably installed inside the mounting box 3. The middle part of the lifting plate 11 is screwed on the outer wall of the lead screw 10. Push rods 12 are fixedly installed at the four corners of the bottom of the lifting plate 11. The push rods 12 slide through the bottom end of the mounting box 3 and are fixedly connected to the top of the moving plate 13. Guide posts 15 are respectively fixedly installed at the four corners of the bottom of the fixing plate 8. The bottom ends of the guide posts 15 are fixedly installed at the bottom end inside the mounting box 3. The four corners of the lifting plate 11 are respectively slidably installed on the outer walls of the guide posts 15. The electric telescopic rod 14 is fixedly installed at the middle of the bottom end of the moving plate 13. The telescopic end of the electric telescopic rod 14 is fixedly installed with a mounting bracket 16. The left side of the mounting bracket 16 is arc-shaped. The detector 17 is fixedly installed on the left side wall of the mounting bracket 16. Two support plates 18 are symmetrically installed on the front and rear ends of the bottom of the moving plate 13 with respect to the electric telescopic rod 14. The left end of the support sliding column 19 is fixedly connected to the front and rear ends of the mounting bracket 16. The support sliding column 19 is slidably installed on the support plate 18;

[0021] During use, the installation box 3 drives the insertion post 6 to insert into the jack, and at the same time drives the limit slider 7 to insert into the guiding slot. Tighten the bolt 5 to fix the top plate 4, thereby inserting and fixing the installation box 3, which facilitates the disassembly and installation of the detector, is convenient to use, saves disassembly and assembly time, and reduces the labor intensity of the staff. Start the forward and reverse motor 9 to drive the lead screw 10 to rotate. The lead screw 10 pushes the lifting plate 11 to move downward inside the installation box 3. The lifting plate 11 pushes the push rod 12 to move downward, pushing the moving plate 13 to move, so that the detector 17 can detect tools 2 of different lengths, improving the scope of application. When the lifting plate 11 moves, it slides on the outer wall of the guiding post 15 to support and guide it, ensuring stability during movement and improving the detection accuracy. Start the electric telescopic rod 14 to push the mounting bracket 16 towards the tool 2, adjust the distance between the detector 17 and the tool 2, and perform real-time tool breakage detection on the tool 2, thereby avoiding the occurrence of ineffective processing, workpiece destructive processing, and waste of working hours, and improving the processing efficiency. When the electric telescopic rod 14 pushes the mounting bracket 16 to move, the mounting bracket 16 drives the support sliding column 19 to move on the support plate 18, which can support and guide the mounting bracket 16 and ensure its service life. Unscrew the screw 21 to remove the maintenance cover plate 20 from the right side wall of the installation box 3, which is convenient for internal maintenance and improves the convenience during use.

[0022] As Figures 1 to 6 shown, for a tool breakage detection device of a numerical control machine tool of the present utility model, during operation, the installation box 3 drives the insertion post 6 to insert into the jack, and at the same time drives the limit slider 7 to insert into the guiding slot. Tighten the bolt 5 to fix the top plate 4, thereby inserting and fixing the installation box 3. Start the forward and reverse motor 9 to drive the lead screw 10 to rotate. The lead screw 10 pushes the lifting plate 11 to move downward inside the installation box 3. The lifting plate 11 pushes the push rod 12 to move downward, pushing the moving plate 13 to move, so that the detector 17 can detect tools 2 of different lengths. When the lifting plate 11 moves, it slides on the outer wall of the guiding post 15 to support and guide it, ensuring stability during movement. Start the electric telescopic rod 14 to push the mounting bracket 16 towards the tool 2, adjust the distance between the detector 17 and the tool 2, and perform real-time tool breakage detection on the tool 2. When the electric telescopic rod 14 pushes the mounting bracket 16 to move, the mounting bracket 16 drives the support sliding column 19 to move on the support plate 18, which can support and guide the mounting bracket 16.

[0023] The forward and reverse motor 9 and the detector 17 of a tool breakage detection device of a numerical control machine tool of the present utility model are purchased on the market. Technical personnel in this industry only need to install and operate according to the attached user manual, without the need for creative labor from technical personnel in this field.

[0024] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A tool breakage detection device for a numerical control machine tool, characterized in that It includes a fuselage (1), a cutting tool (2) and an installation box (3). The cutting tool (2) is located at the lower end of the top of the fuselage (1). The installation box (3) is installed on the right side wall of the fuselage (1) through an insertion assembly. An elevating assembly is installed inside the installation box (3). A moving plate (13) is fixedly installed at the lower end of the elevating assembly. A position adjusting assembly is installed at the bottom of the moving plate (13), and a plurality of limiting sliders (7) are installed at the output end of the position adjusting assembly. The insertion assembly includes a top plate (4), two bolts (5), an insertion post (6) and two limiting sliders (7). The top plate (4) is fixedly connected to the top end of the installation box (3). The bolts (5) are screwed on the front and rear sides of the top of the top plate (4). The insertion post (6) is fixedly installed at the left bottom end of the top plate (4). A jack matching the insertion post (6) is opened at the right part of the top end of the fuselage (1). The limiting sliders (7) are symmetrically installed on the left bottom end of the top plate (4) before and after the insertion post (6). A guiding slot is opened on the right side wall of the fuselage (1).

2. The tool breakage detection device for a numerical control machine tool according to claim 1, wherein The elevating assembly includes a fixing plate (8), a positive and negative motor (9), a lead screw (10), an elevating plate (11) and a plurality of push rods (12). The fixing plate (8) is fixedly installed on the upper side inside the installation box (3). The positive and negative motor (9) is fixedly installed in the middle of the top end of the fixing plate (8). The output end of the positive and negative motor (9) passes through the top end of the fixing plate (8) and is fixedly installed with the lead screw (10). The lead screw (10) is rotatably installed inside the installation box (3). The middle part of the elevating plate (11) is screwed on the outer wall of the lead screw (10). Push rods (12) are fixedly installed at the four corners of the bottom of the elevating plate (11). The push rods (12) slide through the bottom end of the installation box (3) and are fixedly connected to the top of the moving plate (13).

3. The tool breakage detection device for a numerical control machine tool according to claim 2, characterized in that, Guide posts (15) are respectively fixedly installed at the four corners of the bottom of the fixing plate (8). The bottom ends of the guide posts (15) are fixedly installed at the bottom end inside the installation box (3), and the four corners of the elevating plate (11) are respectively slidably installed on the outer walls of the guide posts (15).

4. An NC machine tool tool breakage detection device according to claim 1, characterized in that, The position adjusting assembly includes an electric telescopic rod (14), an installation frame (16) and a supporting component. The electric telescopic rod (14) is fixedly installed in the middle of the bottom end of the moving plate (13). The telescopic end of the electric telescopic rod (14) is fixedly installed with the installation frame (16). The left side of the installation frame (16) is arc-shaped. A detector (17) is fixedly installed on the left side wall of the installation frame (16).

5. The tool breakage detection device for a numerically controlled machine tool according to claim 4, wherein The supporting component includes two supporting plates (18) and two supporting sliding columns (19). The two supporting plates (18) are symmetrically installed on the front and rear ends of the bottom of the moving plate (13) before and after the electric telescopic rod (14). The left ends of the supporting sliding columns (19) are fixedly connected to the front and rear ends of the installation frame (16). The supporting sliding columns (19) are slidably installed on the supporting plates (18).

6. The tool breakage detection device for a numerically controlled machine tool according to claim 1, characterized in that, Maintenance covers (20) are installed at the four corners of the right side wall of the installation box (3) through screws (21).

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