Drilling device for automobile part machining

Abstract

The utility model discloses a drilling device for machining automobile parts. The drilling device comprises a machine body, a base, a driving system, a feeding system, a cooling system and a control system. The driving system comprises a first motor, a servo driver and a main shaft, the feeding system comprises a second motor, a ball screw and a linear guide rail, and the cooling system comprises a cooling liquid pump, a nozzle and a temperature sensor. According to the device, the drilling process is monitored and adjusted through an accurate control system, the machining precision and efficiency are ensured, and the device is suitable for drilling machining of high-precision automobile accessories. According to the drilling device, an efficient cooling and feeding system is adopted, the drilling quality can be effectively improved, thermal deformation is reduced, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to automobile parts processing technical field more specifically, the utility model relates to a drilling device for automobile parts processing. BACKGROUND

[0002] The existing automobile parts drilling device adopts traditional mechanical transmission and cooling mode, and has problems of low machining precision, uneven cooling, low efficiency and the like. In the machining process of high-precision automobile parts, how to improve drilling precision, control cutting force and temperature, and maintain cooling effect is a difficult problem in the prior art. Therefore, a drilling device with higher precision, higher automation degree and optimized cooling effect is required. SUMMARY

[0003] The utility model provides a drilling device for automobile parts processing can improve machining precision, increase automation level and optimize cooling system to adapt to the high-precision requirement of modern automobile parts processing.

[0004] To achieve the above object, the technical scheme of the utility model is as follows:

[0005] A drilling device for automobile parts processing, comprising a machine body, a base, a driving system, a feeding system, a cooling system and a control system, the base is arranged below the machine body, the driving system comprises a first motor, a servo driver and a main shaft, the first motor is arranged above the machine body, and the first motor is movably connected with the servo driver and the main shaft, a drill bit is arranged at the tail end of the main shaft, the servo driver controls the rotating speed of the first motor to drive the main shaft to rotate;

[0006] The feeding system is installed on the base, and the feeding system comprises a second motor, a ball screw and a linear guide rail, a sliding block is arranged on the linear guide rail, the sliding block is connected with the ball screw, the ball screw is connected with the second motor, the second motor drives the ball screw to rotate, the sliding block is driven to move along the linear guide rail through the ball screw to realize feeding;

[0007] The cooling system comprises a cooling liquid pump, a nozzle and a temperature sensor, the nozzle is arranged at the lower half of the machine body, the cooling liquid pump is arranged on the side surface of the machine body, the cooling liquid pump delivers cooling liquid to the nozzle through a pipeline, the nozzle sprays the cooling liquid to the drill bit and the workpiece, the temperature sensor monitors the temperature of the cooling liquid and feeds back a signal to the control system, and the control system adjusts the spraying amount of the cooling liquid according to the feedback signal.

[0008] As an improvement of the utility model, the sliding block is provided with a pressure sensor, the pressure sensor is connected with the control system, the pressure sensor detects the cutting force in the drilling process and feeds back a signal to the control system, and the control system adjusts the feeding speed or the rotating speed of the main shaft according to the feedback signal.

[0009] As a kind of improvement of the utility model, the slider is equipped with clamp, for clamping workpiece, ensure its stability.

[0010] As a kind of improvement of the utility model, the base is also equipped with visual sensor, the visual sensor is parallel to feed system, the visual sensor is connected with control system, the visual sensor detects the position of workpiece and feedback signal to control system, the control system adjusts feed speed according to feedback signal, to ensure accurate positioning of workpiece.

[0011] Preferably, the control system includes PLC controller, touch screen, the PLC controller is connected by data line each component, centralized control drilling device work, the touch screen is used for operator to set parameter and real-time monitoring state.

[0012] As a kind of improvement of the utility model, the drill bit is fixed on the spindle by thread or chuck, which is convenient for selecting appropriate model according to the required aperture, and replacing different drill bits according to process requirements.

[0013] As a kind of improvement of the utility model, the first motor is brushless motor, high-precision speed regulation is realized through servo driver, drilling precision and processing efficiency are improved;The second motor is servo motor.

[0014] The drilling device for automobile parts machining has the following beneficial effects:

[0015] The drilling device is provided with driving system, combined with accurate feed control and cooling liquid adjusting function, which effectively improves the machining precision in drilling process. Especially through real-time monitoring of pressure sensor and visual sensor, the feed speed and spindle speed can be automatically adjusted, to ensure that the contact force between drill bit and workpiece always remains in ideal range, thereby avoiding cutting force fluctuation and hole position deviation in machining, and significantly improving the machining precision and consistency.

[0016] The drilling device is provided with cooling system, through the cooperative work of cooling liquid pump and nozzle, to ensure that drill bit and workpiece are fully cooled during drilling process, to reduce workpiece thermal deformation or drill bit loss caused by high temperature due to cutting. At the same time, temperature sensor can monitor the temperature of cooling liquid in real time, and adjust the injection amount of cooling liquid through feedback, to ensure that the temperature of cooling liquid is always in the best state, further improving the machining efficiency and drilling quality.

[0017] The improved design of the drilling device provides efficient processing capacity. The application of brushless motor and servo motor not only improves the energy efficiency of the system, but also enhances the working stability of the equipment and prolongs the service life of the equipment. In addition, the drill bit can be fixed by thread or chuck, different types of drill bits can be easily replaced, different specifications and shapes of hole processing requirements can be adapted, the flexibility of the equipment is improved, and the production cycle is shortened. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model.

[0019] LIST OF FIGURES:

[0020] 1, first motor; 2, servo driver; 3, main shaft; 4, drill bit; 5, second motor; 6, ball screw; 7, linear guide rail; 8, sliding block; 9, cooling liquid pump; 10, nozzle; 11, clamp; 12, base; 13, machine body. DETAILED DESCRIPTION

[0021] The utility model will be further illustrated in conjunction with the drawings and specific embodiments, and it should be understood that the following specific embodiments are only used to illustrate the utility model and are not used to limit the scope of the utility model. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "in" and "out" refer to the directions towards or away from the geometric center of a particular component.

[0022] In addition, the terms "mounting", "connection" and "connection" should be broadly understood, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] As shown in the figure, the utility model provides a kind of drilling device for automobile accessory processing, including machine body 13, base 12, drive system, feed system, cooling system, control system, the base 12 is located in the lower of machine body 13, the drive system includes first motor 1, servo driver 2, main shaft 3, the first motor 1 is located above machine body 13, first motor 1 is movably connected with servo driver 2 and main shaft 3, the main shaft 3 end is equipped with drill bit 4, the servo driver 2 controls the rotating speed of first motor 1, drives main shaft 3 to rotate;

[0024] The feeding system is installed on the base 12, and the feeding system comprises a second motor 5, a ball screw 6, a linear guide rail 7, a sliding block 8 arranged on the linear guide rail 7, the sliding block 8 being connected with the ball screw 6, the ball screw 6 being connected with the second motor 5, the second motor 5 driving the ball screw 6 to rotate, and the sliding block 8 being driven to move along the linear guide rail 7 by the ball screw 6, so that feeding is realized.

[0025] The cooling system comprises a cooling liquid pump 9, a nozzle 10 and a temperature sensor, the nozzle 10 being arranged at the lower half of the machine body 13, and the cooling liquid pump 9 being arranged at the side of the machine body 13; the cooling liquid pump 9 delivers cooling liquid to the nozzle 10 through a pipeline; the nozzle 10 sprays the cooling liquid to the drill bit 4 and the workpiece; the temperature sensor monitors the temperature of the cooling liquid and feeds back a signal to the control system; and the control system adjusts the spraying amount of the cooling liquid according to the feedback signal.

[0026] The sliding block 8 is provided with a pressure sensor, the pressure sensor being connected with the control system, the pressure sensor detecting the cutting force in the drilling process and feeding back a signal to the control system, and the control system adjusting the feeding speed or the rotating speed of the main shaft 3 according to the feedback signal.

[0027] The sliding block 8 is provided with a clamp 11 for clamping the workpiece, so that the stability of the workpiece is ensured.

[0028] The base 12 is further provided with a visual sensor, the visual sensor being arranged parallel to the feeding system, the visual sensor being connected with the control system, the visual sensor detecting the position of the workpiece and feeding back a signal to the control system, and the control system adjusting the feeding speed according to the feedback signal, so that the accurate positioning of the workpiece is ensured.

[0029] The control system comprises a PLC controller and a touch screen, the PLC controller being connected with each component through a data line, the work of the drilling device being controlled in a centralized manner, and the touch screen being used for setting parameters by an operator and monitoring the working state in real time.

[0030] The drill bit 4 is fixed to the main shaft 3 in a threaded or chucking mode, so that appropriate models can be selected according to the required hole diameter, and different drill bits 4 can be replaced according to process requirements.

[0031] The first motor 1 is a brushless motor, high-precision rotating speed adjustment is realized through the servo driver 2, and the drilling precision and the machining efficiency are improved; and the second motor 5 is a servo motor.

[0032] The drilling device for machining automobile parts provided by the utility model has the working process as follows:

[0033] Firstly, the operator sets the machining parameters through the touch screen, including drilling depth, feed speed, spindle 3 speed, etc. After the control system (PLC controller) receives these parameters, it automatically adjusts each system to prepare for work. The workpiece is clamped on the sliding block 8, and the visual sensor detects the position of the workpiece to ensure that the workpiece is in the correct machining position and feeds back the signal to the control system to confirm the positioning accuracy.

[0034] After starting, the first motor 1 drives the spindle 3 to rotate through the servo driver 2, and the drill bit 4 starts to work. At the same time, the feed system starts to work, and the second motor 5 drives the sliding block 8 to move accurately along the linear guide rail 7 through the ball screw 6, thereby realizing the horizontal feed of the workpiece. The pressure sensor monitors the cutting force in real time during drilling and transmits the detected signal to the control system, which automatically adjusts the feed speed or spindle 3 speed according to the feedback signal to ensure that the cutting force is always within the optimal range, avoiding the influence of excessive or insufficient cutting force on machining accuracy and drill bit 4 life.

[0035] During drilling, the cooling liquid pump 9 delivers cooling liquid to the nozzle 10 through the pipeline, and the nozzle 10 sprays cooling liquid towards the drill bit 4 and the workpiece to effectively dissipate heat and lubricate. The temperature sensor monitors the temperature of the cooling liquid in real time and feeds back the signal to the control system, which automatically adjusts the spraying amount according to the temperature change of the cooling liquid to ensure the optimization of the cooling effect during drilling and prevent material deformation and drill bit 4 wear caused by overheating.

[0036] The entire drilling process is monitored in real time by the control system, and the visual sensor detects the position of the workpiece to ensure that the workpiece is always in the correct position. If there is a position deviation, the control system will automatically adjust the feed speed or stop the equipment to reposition. Through the automatic control and feedback mechanism, the entire machining process is more accurate and efficient, reducing human error and production time.

[0037] According to the machining requirements, the operator can easily replace different types of drill bits 4 through the chuck or threaded method to meet the drilling requirements of different hole diameters or depths. The fixing method of the drill bit 4 is convenient for the operator to quickly adjust and maintain, improving production efficiency and reducing equipment downtime.

[0038] It is to be noted that terminology such as first and second, and the like, is merely used to differentiate one entity or action from another without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0039] The accompanying drawings are only intended to illustrate the technical thought of the present application, and cannot be used to limit the protection scope of the present application. For those skilled in the art, some improvements and refinements can be made without departing from the principle of the present application, and these improvements and refinements all fall within the protection scope of the claims of the present application.

Claims

1. A drilling device for processing automotive parts, comprising a body, a base, a drive system, a feed system, a cooling system, and a control system, characterized in that: The base is located below the machine body. The drive system includes a first motor, a servo driver, and a spindle. The first motor is located above the machine body and is movably connected to the servo driver and the spindle. A drill bit is provided at the end of the spindle. The feed system is mounted on the base and includes a second motor, a ball screw, and a linear guide. A slider is provided on the linear guide and is connected to the ball screw. The ball screw is connected to the second motor. The cooling system includes a coolant pump, a nozzle, and a temperature sensor. The nozzle is located in the lower half of the machine body, and the coolant pump is located on the side of the machine body. The coolant pump delivers coolant to the nozzle through a pipe. The nozzle sprays coolant onto the drill bit and the workpiece. The temperature sensor monitors the temperature of the coolant and feeds the signal back to the control system. The control system adjusts the coolant spray volume according to the feedback signal.

2. The drilling device for processing automotive parts according to claim 1, characterized in that: The slider is equipped with a pressure sensor, which is connected to the control system.

3. The drilling device for processing automotive parts according to claim 2, characterized in that: The slider is equipped with a clamp.

4. The drilling device for processing automotive parts according to claim 3, characterized in that: The base is also equipped with a vision sensor, which is set parallel to the feeding system and is connected to the control system.

5. The drilling device for processing automotive parts according to claim 1, characterized in that: The drill bit is fixed to the spindle using threads or a chuck.

6. The drilling apparatus for processing automotive parts according to any one of claims 1-5, characterized in that: The first motor is a brushless motor, and the second motor is a servo motor.

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