Automatic precision numerical control track saw

Abstract

The utility model discloses an automatic precise numerical control track saw, which relates to the technical field of floor mounting processing equipment, and comprises a machine tool lower frame general assembly and a machine tool middle frame general assembly, a processing module is arranged at the top of the machine tool lower frame general assembly, and a general driving unit is arranged on the inner side of the machine tool lower frame general assembly. The machining module comprises a positioning unit, the positioning unit comprises a footage driving part, an output shaft of the footage driving part is connected with a footage sliding block, a sensing probe is arranged in the footage sliding block, and the sensing probe is connected with the main driving unit through an electric signal. According to the automatic precision numerical control track saw, the sensing probe of the laser displacement sensor detects the thickness of a plate located on the machine tool middle frame general assembly through the footage shield, electric signals are fed back to the general driving unit, the cutting depth is adjusted through the general driving unit, the device can automatically measure the thickness of wood, and the cutting efficiency is improved. The time for manually measuring the thickness of the wood is saved, and the measurement accuracy is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of floor mounting board processing equipment, in particular to an automated precision numerically controlled track saw. Background Art

[0002] The precision CNC track saw is a processing equipment that uses CNC technology to control the motor-driven saw blade to accurately cut various metals or woods along the track. It can achieve multiple cutting methods such as multiple lengths and multiple angles through different blade and track settings.

[0003] Precision CNC track saws are widely used in woodworking, metal processing, cabinet making, furniture manufacturing, building decoration and other fields. The existing Chinese patent with authorization announcement number CN215395786U discloses precision CNC track saws. It adopts high-rigidity bed structure technology, which greatly improves the working stability of machine tools under long-term and heavy loads. All motion mechanisms adopt advanced linear slide rail systems to ensure high precision and high speed of machine tools during operation. The frame feed mechanism of the machine tool adopts high-precision ball screws to replace traditional trapezoidal screws, with small reverse clearance, large load torque and fast action response speed.

[0004] Track saws usually have a precision-machined guide rail system installed on a column or under a workbench to ensure that the saw blade can move smoothly and accurately in the horizontal or vertical direction, and the motor provides power to drive the saw blade to rotate. The transmission system transmits the power of the motor to the spindle, thereby achieving precise cutting of the plate. However, when cutting plates, existing track saws need to manually measure the thickness of the plates and manually adjust the cutting depth through the CNC system. When processing multiple groups of plates, errors are prone to occur in the thickness after manual measurement, which affects the cutting accuracy of the plates. Utility Model Content

[0005] In view of the fact that the above-mentioned existing track saw needs to manually measure the thickness of the plate when cutting the plate, and manually adjust the cutting depth through the CNC system, when processing multiple groups of plates, errors are prone to occur in the thickness of the plate after manual measurement, which affects the cutting accuracy of the plate, the present utility model is proposed.

[0006] Therefore, the utility model aims to provide an automated precision CNC track saw, the purpose of which is to automatically detect the thickness of the plate located on the frame assembly of the machine tool through a sensor probe on the footage slider moving along the footage shield, and feed back the sensor probe through an electrical signal, thereby completing the automatic adjustment of the cutting depth of the plate.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: an automated precision CNC track saw, comprising a machine tool lower frame assembly and a machine tool middle frame assembly, wherein the machine tool middle frame assembly is located on the top of the machine tool lower frame assembly, a processing module is further arranged on the top of the machine tool lower frame assembly, the machine tool middle frame assembly is located between the processing module and the machine tool lower frame assembly, a total drive unit is arranged on the inner side of the machine tool lower frame assembly, and the total drive unit is located at the bottom of the processing module;

[0008] The processing module includes a positioning unit, and the positioning unit includes a footage driving member, and the footage driving member is installed on the top of the machine tool frame assembly, and the output shaft of the footage driving member is connected to a footage slider, and the footage slider is movably connected to the top of the machine tool frame assembly through the footage driving member;

[0009] The footage slider is provided with a sensor probe, and the sensor probe is connected to the main drive unit through an electrical signal;

[0010] A footage shield is also provided on the top of the footage driving member, the footage shield is located on the top of the overall assembly of the machine tool center frame, and the footage slider is movably connected to the inner side of the footage shield.

[0011] As a preferred solution of the automated precision CNC track saw described in the utility model, a machine tool wood grabbing mechanism assembly is also arranged on the top of the machine tool central frame assembly, an air drive assembly is fixedly installed on one side of the machine tool wood grabbing mechanism assembly, and the outer side of the air drive assembly is connected to a pneumatic control drive component through an electrical signal.

[0012] As a preferred solution of the automated precision CNC track saw described in the utility model, wherein: a pneumatic sub-drive component and an independent vacuum suction cup are arranged on one side of the machine tool wood grabbing mechanism general assembly, and the pneumatic sub-drive component corresponds to the independent vacuum suction cup one by one, and the pneumatic sub-drive component and the independent vacuum suction cup are connected to the air drive general assembly and the pneumatic control drive component through electrical signals.

[0013] As a preferred solution of the automated precision CNC track saw described in the utility model, wherein: the processing module also includes a reset unit, the reset unit includes an upper frame assembly on a machine tool, the upper frame assembly on the machine tool is located on the top of the middle frame assembly on the machine tool, the upper frame assembly on the machine tool is equipped with an upper frame linear slide rail system, the upper frame assembly on the machine tool is also provided with a wood bracket, and deep groove ball bearings are arranged on the wood bracket.

[0014] As a preferred solution of the automated precision CNC track saw described in the utility model, wherein: the reset unit also includes a linear slide rail system of a machine tool wood grabbing mechanism, the linear slide rail system of the machine tool wood grabbing mechanism is fixedly installed at the bottom of the machine tool wood grabbing mechanism general assembly, and a linear slider is arranged on the side of the linear slide rail system of the machine tool wood grabbing mechanism away from the machine tool wood grabbing mechanism general assembly, the linear slider is adapted to the upper frame linear slide rail system, and the linear slide rail system of the machine tool wood grabbing mechanism is movably connected to the top of the machine tool upper frame general assembly through the linear slider.

[0015] As a preferred solution of the automated precision CNC track saw of the utility model, the main drive unit is provided with a servo motor and a reducer, and one end of the reducer is connected to the output shaft of the servo motor.

[0016] As a preferred solution of the automated precision CNC track saw described in the utility model, wherein: the reducers are connected to the machine tool drag chain system in the machine tool lower frame assembly and the machine tool linear slide rail system in the machine tool middle frame assembly through electrical signals.

[0017] Beneficial effects of the utility model:

[0018] 1. The sensor probe of the laser displacement sensor detects the thickness of the plate on the frame assembly of the machine tool through the footage shield, and feeds back the electrical signal to the main drive unit. The cutting depth is adjusted by the main drive unit, so that the device can automatically measure the thickness of the wood, saving the time of manual measurement of the thickness of the wood and ensuring the measurement accuracy.

[0019] 2. The position of the corresponding plate is adjusted by independent control of the air drive assembly connected to the pneumatic sub-drive and the electrical signal of the pneumatic control drive, so as to avoid the deviation of the plate during the cutting process, and the state of the plate is adjusted by the matching linear slider under the drive of the pneumatic control drive, so that when there is a deviation between the reciprocating position and the ruler position, the position can be automatically corrected by one-key return to avoid sawing errors.

[0020] 3. The speed of the servo motor controlled by the PLC controller is adjusted by the meshing gear set inside the reducer, and the power is transmitted to the drag chain system in the lower frame assembly of the machine tool and the linear guide rail system in the middle frame assembly of the machine tool. The direct power transmission mode is adopted to reduce kinetic energy loss, improve the efficiency of sheet metal processing, and shorten the time required for manual handling of sheets. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0022] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the automated precision CNC track saw of the utility model.

[0023] Figure 2 It is a side view of the overall structure of the automated precision CNC track saw of the utility model.

[0024] Figure 3 It is a top view of the overall structure of the automated precision CNC track saw of the utility model.

[0025] Figure 4 It is a top view of the processing module structure of the automated precision CNC track saw of the utility model.

[0026] Figure 5 The utility model is a schematic diagram of the structure of the advance drive component and the overall assembly of the upper frame of the machine tool of the automated precision CNC track saw.

[0027] Figure 6 It is a schematic diagram of the back structure of the general assembly of the wood grabbing mechanism of the machine tool of the automated precision CNC track saw of the utility model.

[0028] Figure 7 It is a front structural schematic diagram of the general assembly of the wood grabbing mechanism of the machine tool of the automated precision CNC track saw of the utility model.

[0029] Figure 8 The utility model is a schematic diagram of the structure of the total drive unit of the automated precision CNC track saw.

[0030] Description of reference numerals:

[0031] 1. Assembly of lower frame of machine tool; 2. Assembly of middle frame of machine tool; 3. Processing module; 31. Positioning unit; 311. Feed drive; 312. Feed slider; 313. Sensor probe; 314. Feed shield; 315. Assembly of wood grabbing mechanism of machine tool; 316. Assembly of air drive; 317. Pneumatic control drive; 318. Pneumatic sub-drive; 319. Independent vacuum suction cup; 32. Reset unit; 321. Assembly of upper frame of machine tool; 322. Linear guide rail system of upper frame; 323. Wood bracket; 324. Deep groove ball bearing; 325. Linear guide rail system of wood grabbing mechanism of machine tool; 326. Linear slider; 4. Total drive unit; 41. Servo motor; 42. Reducer. DETAILED DESCRIPTION

[0032] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0033] Example 1

[0034] Reference Figure 1-8 , which is the first embodiment of the utility model, provides an automated precision CNC track saw, the automated precision CNC track saw comprises a machine tool lower frame assembly 1 and a machine tool middle frame assembly 2, the machine tool middle frame assembly 2 is located on the top of the machine tool lower frame assembly 1, a processing module 3 is also arranged on the top of the machine tool lower frame assembly 1, the machine tool middle frame assembly 2 is located between the processing module 3 and the machine tool lower frame assembly 1, a total drive unit 4 is arranged on the inner side of the machine tool lower frame assembly 1, the total drive unit 4 is located at the bottom of the processing module 3, the processing module The positioning unit 31 includes a positioning unit 31, which includes a footage driving member 311. The footage driving member 311 is installed on the top of the machine tool middle frame assembly 2. The output shaft of the footage driving member 311 is connected to a footage slider 312. The footage slider 312 is movably connected to the top of the machine tool middle frame assembly 2 through the footage driving member 311. A sensor probe 313 is provided in the footage slider 312. The sensor probe 313 is connected to the main driving unit 4 through an electrical signal. A footage shield 314 is also provided on the top of the footage driving member 311. The footage shield 314 Located at the top of the machine tool middle frame assembly 2, and the footage slider 312 is movably connected to the inner side of the footage shield 314. The machine tool lower frame assembly 1 and the machine tool middle frame assembly 2 are both existing technologies, which can ensure sufficient structural strength while ensuring stability and reliability during the plate processing and transportation process. The footage drive 311 has two modes: air drive and electric drive. When air drive, the sensor probe 313 is connected to the output shaft of the footage drive 311 through a push rod. When electric drive, the sensor probe 313 is connected to the output shaft of the footage drive 311 through a screw rod, and A thread corresponding to the screw rod is provided on the inner side. The sensing probe 313 is a laser displacement sensor, which can detect the thickness of the plate on the frame assembly 2 in the machine tool through the footage shield 314, and feed back the electrical signal to the total drive unit 4, and adjust the cutting depth through the total drive unit 4. The footage shield 314 can isolate the moving path of the footage slider 312 from the outside world to ensure the smooth movement of the footage slider 312, and provide a limit for the footage slider 312 to avoid dislocation of the footage slider 312 during movement, thereby ensuring measurement accuracy.

[0035] A machine tool wood grabbing mechanism assembly 315 is also provided on the top of the machine tool mid-frame assembly 2, and an air drive assembly 316 is fixedly installed on one side of the machine tool wood grabbing mechanism assembly 315. The outer side of the air drive assembly 316 is connected to a pneumatic control drive component 317 through an electrical signal. The machine tool wood grabbing mechanism assembly 315 is movably connected to the top of the machine tool mid-frame assembly 2 through the pneumatic control drive component 317. The air drive assembly 316 can provide power for the pneumatic control drive component 317 to push the machine tool wood grabbing mechanism assembly 315 to move on the top of the machine tool mid-frame assembly 2.

[0036] A pneumatic sub-drive component 318 and an independent vacuum suction cup 319 are arranged on one side of the machine tool wood grabbing mechanism general assembly 315, and the pneumatic sub-drive component 318 corresponds to the independent vacuum suction cup 319 one by one. The pneumatic sub-drive component 318 and the independent vacuum suction cup 319 are connected to the air drive general assembly 316 and the pneumatic control drive component 317 through electrical signals. The pneumatic sub-drive component 318 can be independently controlled by the electrical signals of the air drive general assembly 316 and the pneumatic control drive component 317 to adjust the position of the corresponding plate, thereby avoiding the deviation of the plate during the cutting process. The independent vacuum suction cup 319 adsorbs the plate by discharging the air from the contact surface with the plate, so that compared with the traditional mechanical grab hook, the damage to the plate is less and more stable.

[0037] The processing module 3 also includes a reset unit 32, which includes a machine tool upper frame assembly 321. The machine tool upper frame assembly 321 is located on the top of the machine tool middle frame assembly 2. The machine tool upper frame assembly 321 is equipped with an upper frame linear slide rail system 322. The machine tool upper frame assembly 321 is also provided with a wood bracket 323. Deep groove ball bearings 324 are arranged on the wood bracket 323. The machine tool upper frame assembly 321 is composed of four square guide rails. Each mating mounting surface of the machine tool upper frame assembly 321 is paved with steel plates. The upper frame linear slide rail system 322 can limit the direction of movement of the plate, thereby preventing the plate from detaching during processing. The wood bracket 323 isolates the device from the plate and reduces the friction between the device and the plate through the deep groove ball bearing 324, thereby facilitating the adjustment of the plate and reducing the wear on the plate.

[0038] The reset unit 32 also includes a machine tool wood grabbing mechanism linear slide rail system 325, which is fixedly installed at the bottom of the machine tool wood grabbing mechanism general assembly 315. A linear slider 326 is provided on the side of the machine tool wood grabbing mechanism linear slide rail system 325 away from the machine tool wood grabbing mechanism general assembly 315. The linear slider 326 and the upper frame linear slide rail system 322 are adapted to each other. The machine tool wood grabbing mechanism linear slide rail system 325 is movably connected to the top of the machine tool upper frame general assembly 321 through the linear slider 326. The linear slider 326 can slide on the top of the upper frame linear slide rail system 322 on the machine tool upper frame general assembly 321 when driven by the pneumatic control drive component 317, thereby adjusting the distance between the upper structure of the machine tool wood grabbing mechanism general assembly 315 and the plate on the machine tool upper frame general assembly 321, so that when there is a deviation between the reciprocating position and the ruler position, the pneumatic drive component 318 is cooperated to complete the correction.

[0039] The main drive unit 4 is provided with a servo motor 41 and a reducer 42. One end of the reducer 42 is connected to the output shaft of the servo motor 41. The servo motor 41 can change the current direction through the PLC controller, thereby changing the rotation direction of the output shaft, thereby realizing intelligent control of the conveying direction of the device. The reducer 42 can adjust the speed of the servo motor 41 in real time through the internal meshing gear set, thereby making the device more stable and efficient during operation.

[0040] The reducers 42 are connected to the machine tool drag chain system in the machine tool lower frame assembly 1 and the machine tool linear slide rail system in the machine tool middle frame assembly 2 through electrical signals. The reducers 42 can provide power to the machine tool lower frame assembly 1 and the machine tool linear slide rail system in the machine tool middle frame assembly 2 respectively, thereby adopting a direct power transmission mode, reducing kinetic energy loss, improving the efficiency of plate processing, and shortening the time required for manual handling of plates.

[0041] The device as a whole adopts a composite driving power of air drive and electric drive, which improves the stability of the device under heavy load, and adjusts the speed of the servo motor 41 controlled by the PLC controller through the gear set meshing inside the reducer 42, and transmits the power to the drag chain system in the lower frame assembly 1 of the machine tool and the machine tool linear slide rail system in the middle frame assembly 2 of the machine tool respectively, adopts a direct power transmission mode to reduce kinetic energy loss, improve the efficiency of plate processing, and shorten the time required for manual handling of plates. The footage driving part 311 of multiple driving modes drives the footage slider 312 with the sensor probe 313 to move along the inner side of the footage shield 314, and in this process, the sensor probe 313 of the laser displacement sensor detects the thickness of the plate on the middle frame assembly 2 of the machine tool through the footage shield 314, and feeds back to the total drive unit 4 through an electrical signal, and adjusts the cutting depth through the total drive unit 4. Compared with the traditional manual measurement method, it can more effectively avoid the dislocation of the plate on the middle frame assembly 2 of the machine tool during the movement, so that the device The device can automatically measure the thickness of wood, save time for manual measurement of wood thickness, ensure measurement accuracy, and discharge air from the contact surface of the plate through the independent vacuum suction cup 319 to adsorb the plate. Compared with the traditional mechanical grab hook, the damage to the plate is less and more stable. The pneumatic sub-drive 318 is independently controlled by the electrical signals of the air drive assembly 316 and the pneumatic control drive 317 to adjust the position of the corresponding plate, thereby avoiding the deviation of the plate during cutting. When the pneumatic control drive 317 drives the machine tool wood grabbing mechanism assembly 315 through the matching linear slider 326, the machine tool wood grabbing mechanism assembly 315 slides on the top of the upper frame linear slide rail system 322 on the machine tool upper frame assembly 321, thereby adjusting the distance between the upper structure of the machine tool wood grabbing mechanism assembly 315 and the plate on the machine tool upper frame assembly 321. When the reciprocating position and the ruler position deviate, the independently controlled pneumatic sub-drive 318 is used to complete the correction. When the reciprocating position and the ruler position deviate, the position can be automatically corrected by one-key return to avoid sawing errors.

[0042] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An automated precision numerically controlled track saw, comprising a machine tool lower frame assembly (1) and a machine tool middle frame assembly (2), wherein the machine tool middle frame assembly (2) is located on top of the machine tool lower frame assembly (1), and is characterized in that: A processing module (3) is also arranged on the top of the machine tool lower frame assembly (1); the machine tool middle frame assembly (2) is located between the processing module (3) and the machine tool lower frame assembly (1); a total drive unit (4) is arranged on the inner side of the machine tool lower frame assembly (1); and the total drive unit (4) is located at the bottom of the processing module (3); The processing module (3) comprises a positioning unit (31), the positioning unit (31) comprises a footage driving member (311), the footage driving member (311) is mounted on the top of the machine tool center frame assembly (2), the output shaft of the footage driving member (311) is connected to a footage sliding block (312), and the footage sliding block (312) is movably connected to the top of the machine tool center frame assembly (2) through the footage driving member (311); The footage slider (312) is provided with a sensor probe (313), and the sensor probe (313) is connected to the main drive unit (4) via an electrical signal; A footage shield (314) is also provided on the top of the footage driving member (311), the footage shield (314) is located on the top of the machine tool center frame assembly (2), and the footage slider (312) is movably connected to the inner side of the footage shield (314).

2. The automated precision CNC track saw according to claim 1, characterized in that: A machine tool wood grabbing mechanism assembly (315) is also arranged on the top of the machine tool middle frame assembly (2), and a pneumatic drive assembly (316) is fixedly installed on one side of the machine tool wood grabbing mechanism assembly (315), and a pneumatic control drive component (317) is connected to the outer side of the pneumatic drive assembly (316) via an electrical signal.

3. The automated precision CNC track saw according to claim 2, characterized in that: A pneumatic drive component (318) and an independent vacuum suction cup (319) are arranged on one side of the machine tool wood gripping mechanism assembly (315), and the pneumatic drive component (318) corresponds to the independent vacuum suction cup (319) one by one. The pneumatic drive component (318) and the independent vacuum suction cup (319) are both connected to the pneumatic drive assembly (316) and the pneumatic control drive component (317) through electrical signals.

4. The automated precision CNC track saw according to claim 1, characterized in that: The processing module (3) also includes a reset unit (32), the reset unit (32) includes a machine tool upper frame assembly (321), the machine tool upper frame assembly (321) is located on the top of the machine tool middle frame assembly (2), the machine tool upper frame assembly (321) is equipped with an upper frame linear guide rail system (322), the machine tool upper frame assembly (321) is also provided with a wood bracket (323), and deep groove ball bearings (324) are arranged on the wood bracket (323).

5. The automated precision CNC track saw according to claim 4, characterized in that: The reset unit (32) also includes a machine tool wood grabbing mechanism linear slide rail system (325), the machine tool wood grabbing mechanism linear slide rail system (325) is fixedly installed at the bottom of the machine tool wood grabbing mechanism general assembly (315), and a linear slider (326) is provided on the side of the machine tool wood grabbing mechanism linear slide rail system (325) away from the machine tool wood grabbing mechanism general assembly (315), and the linear slider (326) is adapted to the upper frame linear slide rail system (322) mutually, and the machine tool wood grabbing mechanism linear slide rail system (325) is movably connected to the top of the machine tool upper frame general assembly (321) through the linear slider (326).

6. The automated precision CNC track saw according to claim 1, characterized in that: The overall drive unit (4) is provided with a servo motor (41) and a reducer (42), and one end of the reducer (42) is connected to the output shaft of the servo motor (41).

7. The automated precision CNC track saw according to claim 6, characterized in that: The speed reducers (42) are connected to the machine tool drag chain system in the machine tool lower frame assembly (1) and the machine tool linear slide rail system in the machine tool middle frame assembly (2) through electrical signals.

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