CNC intelligent wireless cold knife device

Abstract

The utility model provides a CNC (Computer Numerical Control) intelligent wireless cold knife device, aiming at solving the problem that a wireless signal is unstable in an industrial environment. The device comprises a cold knife device main body, a receiver and an emitter. The cold knife device body comprises a motor, a mounting block, an iron pipe, a connecting piece, a water outlet pipe and a water pipe. The motor is fixed to the mounting block and drives the connecting piece to rotate, and the water outlet pipe and the water pipe are arranged on the connecting piece and communicate. And the receiver is fixedly arranged on the side surface of a shell of the motor and is electrically connected with a controller of the motor through a waterproof plug terminal. The emitter is connected with the receiver in a wireless communication mode and used for sending motor start-stop and rotating speed adjusting signals. The receiver comprises a signal decoding module and an anti-interference circuit and is used for receiving and analyzing the instruction of the transmitter and transmitting the instruction to the controller through a shielding cable arranged in the iron pipe. And through the external receiver, the receiving effect of wireless signals is remarkably improved, the signal receiving is optimized, and the problem of unstable signals in an industrial environment is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of CNC machining center cooling equipment technical field, especially a kind of CNC intelligent wireless cold knife device. BACKGROUND

[0002] In the processing of CNC machining center, cold knife device is important equipment for cooling and lubricating tool. The existing CNC intelligent wireless cold knife device has unstable problem in receiving signal, and the main reason is that wireless signal is susceptible to interference in industrial environment, leading to inaccurate signal reception, affecting the normal operation of the device. SUMMARY

[0003] In view of the above situation, it is necessary to provide a kind of CNC intelligent wireless cold knife device to solve at least one of the above problems, including cold knife device main body, receiver (9) and transmitter (10), the cold knife device main body includes motor (1), mounting block (2), and iron pipe (8), connecting piece (3), water outlet pipe (5) and water pipe (4), characterized by:

[0004] The motor (1) is fixed on the mounting block (2);

[0005] The water outlet pipe (5) and the water pipe are both arranged on the connecting piece (3), the water outlet pipe (5) and the water pipe are communicated, and the motor drives the connecting piece (3) to rotate;

[0006] The receiver (9) is fixedly arranged on the side surface of the shell of the motor (1), and is electrically connected with the controller (7) of the motor (1) through the waterproof plug-in terminal (91);

[0007] The transmitter (10) is connected with the receiver (9) through wireless communication mode, for sending motor start-stop and speed regulation signal;

[0008] The receiver (9) includes signal decoding module and anti-interference circuit, for receiving and analyzing the instruction of the transmitter (10), and transmitting to the controller (7) through the shielded cable built-in the iron pipe (8).

[0009] Preferably, it further includes connecting plate structure (6), the connecting plate structure (6) includes first connecting plate (61) and second connecting plate (62), the first connecting plate (61) is fixed on one side of mounting block (2), the second connecting plate (62) is fixed on the other side of the first connecting plate (61), and the two form 90° bending structure by bolt connection

[0010] Preferably, the first connecting plate (61) is provided with two arc-shaped through grooves (611) and a first through hole (612) in the middle, the second connecting plate (62) is provided with a plurality of second through holes (621) and a second through hole (622) in the middle, and the iron pipe (8) sequentially passes through the arc-shaped through grooves (611) and the second through holes (621), and the second through hole (622) in the middle is coaxially aligned with the first through hole (612).

[0011] Preferably, the arc of the arc-shaped through groove (611) matches the bending angle of the iron pipe (8), and the inner wall of the through groove is provided with a wear-resistant coating, and the thickness of the coating is 0.1-0.3mm.

[0012] Preferably, the wireless communication mode is a dual-band switching communication, including 2.4GHz and 5.8GHz frequency bands, and the frequency band switching threshold is set to be greater than or equal to -70dBm.

[0013] Preferably, the waterproof plug-in terminal (91) and the shell of the motor (1) are provided with a silica gel sealing ring (911), the thickness of the sealing ring is 1.5±0.2mm, and the thickness of the gold plating of the contact sheet of the plug-in terminal is greater than or equal to 0.5μm.

[0014] Preferably, the anti-interference circuit includes a band-pass filter and a metal shielding cover, the metal shielding cover completely covers the PCB board of the receiver (9), and the shielding cover and the shell of the motor (1) are adhered by conductive adhesive.

[0015] Preferably, the iron pipe (8) is provided with an independent wire slot (81), the shielding cable and the cooling liquid pipeline are arranged in parallel in the independent wire slot (81), and the inner wall of the wire slot is coated with an insulating layer.

[0016] Preferably, the transmitter (10) is built-in lithium battery, and the back is provided with magnetic charging contact, and is connected with external charging seat through magnetic coupling mode.

[0017] Preferably, the communication between the receiver (9) and the transmitter (10) adopts AES-128 encryption protocol, and each communication instruction contains a dynamic check code. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the structure schematic diagram of the CNC intelligent wireless cold knife device of the embodiment of the utility model.

[0019] Figure 2 is the structure schematic diagram of the connecting plate of the embodiment of the utility model.

[0020] Figure 3 is the structure schematic diagram of the transmitter of the embodiment of the utility model.

[0021] Figure 4It is the structure schematic diagram of the receiver of the embodiment of the utility model. DETAILED DESCRIPTION

[0022] In order to make the utility model purposes, technical scheme and advantages more clearly, the following is combined with the embodiment, and the CNC intelligent wireless cold knife device of the utility model is further detailedly explained.It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0023] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", "vertical", "horizontal", "top", "bottom", "inner", "outer" is based on the orientation or positional relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model indicated or implied by the device or element must have a particular orientation, a particular orientation and operation, therefore, cannot be understood as limiting the utility model.In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the communication between two elements.The above-mentioned terms in the utility model can be understood by the person skilled in the art according to the specific circumstances.

[0025] Please see Figures 1 to 4 In the embodiment, the connecting piece (3) is arranged on the mounting block, the motor is connected with the connecting piece (3) by means of a latch, the motor drives the connecting piece (3) to rotate, the water outlet pipe (5) and the water pipe are arranged on the connecting piece (3), so as to drive the water outlet pipe (5) to adjust the angle, and the CNC intelligent wireless cold knife device is connected with the receiver (9), which significantly improves the receiving effect of the wireless signal.The receiver (9) is fixedly arranged on the side surface of the shell of the motor (1), and is electrically connected with the controller (7) of the motor (1) through the waterproof plug-in terminal (91).So that the receiver (9) can more effectively receive the signal sent by the transmitter (10), and solve the problem of unstable signal in the industrial environment.Through optimizing the position and connection mode of the receiver (9), the stability and reliability of signal transmission are ensured.

[0026] Please participate Figures 1 to 4In another embodiment, the anti-interference circuit of the receiver (9) includes a bandpass filter and a metal shield. The bandpass filter is used to filter out high-frequency noise and low-frequency interference in the received signal, ensuring the purity of the received signal; the metal shield effectively shields external electromagnetic interference, protecting the normal operation of the internal circuitry of the receiver (9). The metal shield completely covers the PCB board of the receiver (9), and the shield is bonded to the motor (1) housing with conductive adhesive. This effectively reduces electromagnetic interference, improves signal accuracy, and ensures the stability and reliability of wireless communication.

[0027] Please participate Figures 1 to 4 In another embodiment, a silicone sealing ring (911) is provided between the waterproof plug terminal (91) and the motor (1) housing. The sealing ring has a thickness of 1.5±0.2mm, and the gold plating thickness of the plug terminal contact piece is ≥0.5μm. This ensures the waterproof performance of the device, prevents moisture from entering the motor (1) and extends its service life. The gold-plated contact piece improves conductivity and corrosion resistance, ensuring the stability and reliability of signal transmission.

[0028] Please participate Figures 1 to 4 In another embodiment, the wireless communication method is dual-band switching communication, including 2.4GHz and 5.8GHz bands. The band switching threshold is set to an ambient electromagnetic noise intensity ≥ -70dBm. Dual-band switching solves the problem of unstable industrial wireless signals. When the ambient electromagnetic noise intensity is low, communication is performed using the 2.4GHz band, which has good penetration and coverage; when the ambient electromagnetic noise intensity is high, it automatically switches to the 5.8GHz band, which has a higher data transmission rate and anti-interference capability. This dual-band switching mechanism ensures the stability and reliability of wireless communication, distinguishing it from ordinary wireless remote control solutions.

[0029] Please participate Figures 1 to 4 In another embodiment, the CNC intelligent wireless cold knife device further includes a connecting plate structure (6), comprising a first connecting plate (61) and a second connecting plate (62). The first connecting plate (61) is fixed to one side of the mounting block (2), and the second connecting plate (62) is fixed to the other side of the first connecting plate (61), and the two are connected by bolts to form a 90° bent structure. This not only enhances the rigidity of the connecting plate structure but also makes the assembly and disassembly of the device more convenient. The 90° bent structure improves the stability and load-bearing capacity of the device, ensuring the tight connection between the motor (1) and the connecting piece (3).

[0030] Please participate Figures 1 to 4In another embodiment, the first connecting plate (61) is provided with two arc-shaped through slots (611) and a central first through hole (612), and the second connecting plate (62) is provided with multiple second through holes (621) and a central second through hole (622). The iron pipe (8) passes through the arc-shaped through slots (611) and the second through holes (621) in sequence, and the central second through hole (622) is coaxially aligned with the first through hole (612). The curvature of the arc-shaped through slots (611) matches the bending angle of the iron pipe (8), and the inner wall of the through slot is provided with a wear-resistant coating with a coating thickness of 0.1-0.3 mm. This ensures the stability and flexibility of the iron pipe (8) within the arc-shaped through slots (611), reduces wear, and extends the service life of the device.

[0031] Please participate Figures 1 to 4 In another embodiment, the iron pipe (8) is provided with an independent cable tray (81), in which the shielded cable and coolant pipeline are arranged parallel to each other, and the inner wall of the cable tray is coated with an insulating layer. This ensures the orderly arrangement of the shielded cable and coolant pipeline, reduces mutual interference, and improves the reliability of the device. The insulating layer prevents short circuits between the shielded cable and the coolant pipeline, ensuring the safety and stability of signal transmission.

[0032] Please participate Figures 1 to 4 In another embodiment, the transmitter (10) has a built-in lithium battery and magnetic charging contacts on its back, which are connected to an external charging dock via magnetic coupling. This makes charging the transmitter (10) more convenient and improves the user experience. The magnetic coupling method ensures the stability and reliability of the charging connection and prevents charging failures due to poor contact.

[0033] Please participate Figures 1 to 4 In another embodiment, the communication between the receiver (9) and the transmitter (10) adopts the AES-128 encryption protocol, and each communication command includes a dynamic checksum. The AES-128 encryption protocol is a symmetric encryption algorithm with high encryption strength and fast encryption speed, which can effectively prevent communication commands from being stolen or tampered with; the dynamic checksum ensures the uniqueness and integrity of each communication command, further improving the security of communication. This ensures the security and reliability of wireless communication and prevents commands from being tampered with or forged.

[0034] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A CNC intelligent wireless cold knife device, comprising a cold knife device body, a receiver (9) and a transmitter (10), wherein the cold knife device body comprises a motor (1), a mounting block (2), an iron pipe (8), a connector (3), a water outlet pipe (5) and a water pipe (4), characterized in that: The motor (1) is fixed on the mounting block (2); The water outlet pipe (5) and the water pipe are both provided on the connector (3), the water outlet pipe (5) and the water pipe are connected, and the motor drives the connector (3) to rotate; The receiver (9) is fixedly installed on the side of the housing of the motor (1) and is electrically connected to the controller (7) of the motor (1) through a waterproof plug-in terminal (91); The transmitter (10) and receiver (9) are connected wirelessly to send motor start / stop and speed regulation signals; The receiver (9) includes a signal decoding module and an anti-interference circuit, used to receive and parse the instructions of the transmitter (10) and transmit them to the controller (7) through the shielded cable built into the iron pipe (8).

2. The CNC intelligent wireless cold knife device according to claim 1, characterized in that: It also includes a connecting plate structure (6), which includes a first connecting plate (61) and a second connecting plate (62). The first connecting plate (61) is fixed to one side of the mounting block (2), and the second connecting plate (62) is fixed to the other side of the first connecting plate (61). The two are connected by bolts to form a 90° bent structure.

3. The CNC intelligent wireless cold knife device according to claim 2, characterized in that: The first connecting plate (61) is provided with two arc-shaped through slots (611) and a middle first through hole (612). The second connecting plate (62) is provided with multiple second through holes (621) and a middle second through hole (622). The iron pipe (8) passes through the arc-shaped through slots (611) and the second through holes (621) in sequence, and the middle second through hole (622) is coaxially aligned with the first through hole (612).

4. The CNC intelligent wireless cold knife device according to claim 3, characterized in that: The arc of the arc-shaped through groove (611) matches the bending angle of the iron pipe (8), and the inner wall of the through groove is provided with a wear-resistant coating with a coating thickness of 0.1-0.3mm.

5. The CNC intelligent wireless cold knife device according to claim 1, characterized in that: The wireless communication method is dual-band switching communication, including 2.4GHz and 5.8GHz frequency bands, and the frequency band switching threshold is set to an environmental electromagnetic noise intensity ≥ -70dBm.

6. The CNC intelligent wireless cold knife device according to claim 1, characterized in that: A silicone sealing ring (911) is provided between the waterproof plug terminal (91) and the housing of the motor (1). The thickness of the sealing ring is 1.5±0.2mm, and the gold plating thickness of the contact piece of the plug terminal is ≥0.5μm.

7. The CNC intelligent wireless cold knife device according to claim 1, characterized in that: The anti-interference circuit includes a bandpass filter and a metal shield. The metal shield completely covers the PCB board of the receiver (9), and the shield is bonded to the housing of the motor (1) with conductive adhesive.

8. The CNC intelligent wireless cold knife device according to claim 1, characterized in that: The iron pipe (8) is provided with an independent cable trough (81), and the shielded cable and the coolant pipeline are arranged in parallel in the independent cable trough (81), and the inner wall of the cable trough is coated with an insulating layer.

9. The CNC intelligent wireless cold knife device according to claim 1, characterized in that: The transmitter (10) has a built-in lithium battery and magnetic charging contacts on the back, and is connected to an external charging dock by magnetic coupling.

10. The CNC intelligent wireless cold knife device according to claim 1, characterized in that: The communication between the receiver (9) and the transmitter (10) adopts the AES-128 encryption protocol, and each communication instruction contains a dynamic check code.

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