CNC intelligent wired cold knife device

By designing a limiting boss, a bent iron pipe, and a connecting plate structure, the problem of slippage between the motor and the water nozzle was solved, achieving high precision and stable cooling effect for the CNC cold knife device and extending its service life.

CN223700218UActive Publication Date: 2025-12-23SHENZHEN AIKEDA TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520272224.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2025-12-23
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

In existing CNC cold tool devices, the motor and water nozzle are prone to stripping, which leads to decreased rotational accuracy, misalignment of the water nozzle with the tool, and poor cooling effect.

Method used

The design of limiting bosses and grooves ensures precise positioning of the motor and mounting block. The 90° bent iron pipe and connecting plate structure enhances the tightness of the connection between the motor and the connector. The use of PLC controller and shielded cable ensures the stability of signal transmission. The combination of aluminum alloy mounting block and anti-rust coating improves the stability and corrosion resistance of the device.

Benefits of technology

It improves the rotational accuracy and stability of the cold knife device, avoids stripping, ensures that the water spray nozzle is aligned with the tool, and enhances the cooling effect, device reliability, and service life.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223700218U_ABST
    Figure CN223700218U_ABST
Patent Text Reader

Abstract

The utility model provides a CNC intelligent wired cold knife device, and aims to solve the problems that the connection between a motor and a water injection nozzle connecting piece of an existing cold knife device is not tight enough, and the rotation precision is reduced. The device comprises a motor, a mounting block, a connecting piece, a water pipe, a water outlet pipe, a connecting plate structure and a controller. And the motor is matched with the groove of the mounting block through the limiting boss, so that accurate positioning and stable connection are realized. And the connecting plate structure comprises a first connecting plate and a second connecting plate, the moving range of the iron pipe is limited through cooperation of an arc-shaped through groove and a second through hole, and the connecting tightness between the motor and the connecting piece is further enhanced. And the reinforcing ribs are arranged at the bent parts of the iron pipes, so that the structural strength is improved. The controller is connected with the motor through a shielding cable arranged in the iron pipe, and stable communication is ensured. According to the device, by optimizing the structural design, the connection tightness and the rotation precision between the motor and the connecting piece are effectively improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

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

[0002] In the machining process of CNC machining center, cold knife device is important equipment for cooling and lubricating tool. The existing CNC cold knife device usually adopts motor to drive water jet to rotate, and the motor usually has only one axial fixed structure, which will cause sliding phenomenon between motor and rotating part of water jet after long time use, resulting in the decrease of rotation accuracy, and further leading to the misalignment of water jet to tool, and poor cooling effect. SUMMARY

[0003] In view of the above situation, it is necessary to provide a CNC intelligent wired cold knife device to solve at least one of the above problems, comprising motor (1), mounting block (2), connecting piece (3), water pipe (4), water outlet pipe (5), connecting plate structure (6) and controller (7),

[0004] The four corners of the motor (1) are threadedly connected with the mounting block (2), the bottom of the motor (1) is provided with a limiting boss (11), and the bottom of the mounting block (2) is provided with a groove (21) matched with the limiting boss (11);

[0005] The connecting plate structure (6) comprises a first connecting plate (61) and a second connecting plate (62), 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 first through hole (612) and the second through hole (622) in the middle are fixedly connected;

[0006] The motor (1) is fixedly connected with a 90° bent iron pipe (8), the iron pipe (8) passes through the arc-shaped through groove (611) and the second through hole (621) in sequence, and the wire of the controller (7) passes through the iron pipe (8) and is electrically connected with the motor (1).

[0007] Preferably, the arrangement direction of the second through hole (621) is consistent with the extension direction of the arc-shaped through groove (611).

[0008] Preferably, the first connecting plate (61) and the second connecting plate (62) are both 90° bent structures, and are fixedly connected by bolts.

[0009] Preferably, the outer diameter of the iron pipe (8) is gap-fitted with the width of the arc-shaped through groove (611), and the gap range is 0.1-0.5mm.

[0010] Preferably, the limiting boss (11) is a rectangular protrusion, and the groove (21) is complementary in shape to the limiting boss (11).

[0011] Preferably, the bent part of the iron pipe (8) is provided with a reinforcing rib.

[0012] Preferably, the controller (7) is a PLC controller, and is connected with the motor (1) through a shielded cable built in the iron pipe (8).

[0013] Preferably, the material of the mounting block (2) is aluminum alloy, and the surface is provided with an anti-rust coating.

[0014] Preferably, the end of the arc-shaped through slot (611) is provided with a limiting stopper (613) for limiting the moving range of the iron pipe (8). BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic diagram of the CNC intelligent wired cold knife device according to an embodiment of the present application.

[0016] Figure 2 is a structural schematic diagram of a connecting plate structure according to an embodiment of the present application.

[0017] Figure 3 is an exploded view of the CNC intelligent wired cold knife device according to an embodiment of the present application.

[0018] Figure 4 is an exploded view of the CNC intelligent wired cold knife device according to an embodiment of the present application.

[0019] Figure 5 is a structural schematic diagram of a controller according to an embodiment of the present application. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the present application clearer, the present application CNC intelligent wired cold knife device will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0021] 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" and the like is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and 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 indicative or suggestive of relative importance.

[0022] 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, or it can be 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 through specific circumstances.

[0023] Please refer to Figures 1 to 5 The utility model provides a kind of CNC intelligent wired cold knife device, including motor (1), mounting block (2), connecting piece (3), water pipe (4), outlet pipe (5), connecting plate structure (6) and controller (7). Four corners of motor (1) are threadedly connected with mounting block (2), the bottom of motor (1) is equipped with limiting boss (11), and the bottom of mounting block (2) is equipped with recess (21) matched with limiting boss (11), when motor (1) is installed in mounting block (2), limiting boss (11) is embedded in recess (21), to ensure the accurate positioning and stable connection between motor (1) and mounting block (2), avoid the situation of loosening or deviation in long time use process.

[0024] The connecting plate structure (6) comprises a first connecting plate (61) and a second connecting plate (62), 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 first through hole (612) and the second through hole (622) in the middle are fixedly connected. The motor (1) is fixedly connected with a 90° bent iron pipe (8), the iron pipe (8) passes through the arc-shaped through groove (611) and the second through hole (621) in sequence, the wire of the controller (7) passes through the iron pipe (8) and is electrically connected with the motor (1), the horizontal limiting of the iron pipe (8) further enhances the connection tightness between the motor (1) and the connecting piece (3), avoids the sliding phenomenon after long-time use, and improves the rotation accuracy of the device.

[0025] In the embodiment, the arrangement direction of the second through hole (621) is consistent with the extension direction of the arc-shaped through groove (611), so that the iron pipe (8) can be more smoothly limited and fixed when passing through the arc-shaped through groove (611) and the second through hole (621), and the stability and reliability of the device are further improved. When the motor (1) drives the connecting piece (3) to rotate, the iron pipe (8) can maintain a stable position under the limiting action of the arc-shaped through groove (611) and the second through hole (621), and deviation caused by vibration or external force is avoided.

[0026] Please attend Figures 1 to 5 In another embodiment, the first connecting plate (61) and the second connecting plate (62) are both 90° bent structures and are fixedly connected by bolts. The rigidity of the connecting plate structure (6) is enhanced, and the assembly and disassembly of the device are more convenient. Through bolted connection, the stable connection between the first connecting plate (61) and the second connecting plate (62) can be ensured, and when disassembly is needed, the bolts only need to be loosened, which is convenient for maintenance and cleaning.

[0027] Please attend Figures 1 to 5 In another embodiment, the outer diameter of the iron pipe (8) is gap-fitted with the width of the arc-shaped through groove (611), and the gap range is 0.1-0.5mm. The stability and flexibility of the iron pipe (8) in the arc-shaped through groove (611) are improved. When the motor (1) drives the connecting piece (3) to rotate, the iron pipe (8) can move smoothly in the arc-shaped through groove (611) while maintaining a stable position, avoiding shaking caused by too large gap or jamming caused by too small gap.

[0028] Please attend Figures 1 to 5In another embodiment, the limiting boss (11) is a rectangular protrusion, and the groove (21) is shaped complementary to the limiting boss (11). This design ensures precise positioning and stable connection between the motor (1) and the mounting block (2). When the motor (1) is mounted on the mounting block (2), the cooperation of the limiting boss (11) and the groove (21) can effectively prevent the motor (1) from loosening or shifting during use, improving the reliability of the device.

[0029] Please attend Figures 1 to 5 In another embodiment, the bending part of the iron pipe (8) is provided with a reinforcing rib. This design enhances the structural strength of the iron pipe (8) and reduces stress concentration caused by bending. When the motor (1) drives the rotating connection (3), the reinforcing rib at the bending part of the iron pipe (8) can effectively disperse stress, avoiding fracture or deformation caused by stress concentration, and improving the service life of the device.

[0030] Please attend Figures 1 to 5 In another embodiment, the controller (7) is a PLC controller, and is connected with the motor (1) through a shielded cable built in the iron pipe (8). This ensures stable communication between the controller (7) and the motor (1), reducing signal interference. When the controller (7) sends control signals to the motor (1), the shielded cable can effectively prevent external electromagnetic interference, ensuring accurate signal transmission and improving the reliability of the device.

[0031] Please attend Figures 1 to 5 In another embodiment, the mounting block (2) is made of aluminum alloy, and the surface is provided with a rust-proof coating. This design not only improves the strength and light weight of the mounting block (2), but also enhances its corrosion resistance. For example, when used in a humid or corrosive environment, the rust-proof coating can effectively prevent the surface of the mounting block (2) from rusting, prolonging the service life of the device.

[0032] Please attend Figures 1 to 5 In another embodiment, the end of the arc-shaped through slot (611) is provided with a limiting stop block (613) for limiting the movement range of the iron pipe (8). This design ensures the movement range of the iron pipe (8) in the arc-shaped through slot (611), avoiding instability caused by excessive movement. For example, when the motor (1) drives the rotating connection (3), the limiting stop block (613) can effectively limit the movement range of the iron pipe (8), ensuring its stable operation within the predetermined range, improving the reliability of the device.

[0033] The above merely describes preferred embodiments of the present application and is not intended to limit the present application in any form. Although the present application has been disclosed with preferred embodiments, it is not intended to limit the present application. Any skilled person in the art can make minor changes or modifications to the disclosed technical content without departing from the technical solution of the present application, and any simple modification, equivalent change and modification of the above embodiments based on the technical essence of the present application still belong to the scope of the technical solution of the present application.

Claims

1. A CNC intelligent wired cold knife device, comprising a motor (1), a mounting block (2), a connecting piece (3), a water pipe (4), a water outlet pipe (5), a connecting plate structure (6) and a controller (7), characterized in that: the four corners of the motor (1) are threadedly connected with the mounting block (2), and the bottom of the motor (1) is provided with a limiting boss (11), and the bottom of the mounting block (2) is provided with a groove (21) matched with the limiting boss (11); the connecting plate structure (6) comprises a first connecting plate (61) and a second connecting plate (62), 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 first through hole (612) and the second through hole (622) in the middle are fixedly connected; the motor (1) is fixedly connected with a 90° bent iron pipe (8), the iron pipe (8) passes through the arc-shaped through groove (611) and the second through hole (621) in sequence, and the wire of the controller (7) passes through the iron pipe (8) and is electrically connected with the motor (1).

2. The CNC intelligent wired cold knife device according to claim 1, characterized in that: The arrangement direction of the second through hole (621) is consistent with the extension direction of the arc-shaped through groove (611).

3. The CNC intelligent wired cold knife device according to claim 1, wherein: The first connecting plate (61) and the second connecting plate (62) are both 90° bent structures and are fixedly connected through bolts.

4. The CNC intelligent wired cold knife device of claim 1, wherein: The outer diameter of the iron pipe (8) is gap-fitted with the width of the arc-shaped through groove (611), and the gap range is 0.1-0.5mm.

5. The CNC intelligent wired cold knife device of claim 1, wherein: The limiting boss (11) is a rectangular protrusion, and the shape of the groove (21) is complementary to the limiting boss (11).

6. The CNC intelligent wired cold knife device of claim 1, wherein: The bent part of the iron pipe (8) is provided with a reinforcing rib.

7. The CNC intelligent wired cold knife device of claim 1, wherein: The controller (7) is a PLC controller, and is connected with the motor (1) through a shielded cable built in the iron pipe (8).

8. The CNC intelligent wired cold knife device of claim 1, wherein: The material of the mounting block (2) is aluminum alloy, and the surface is provided with an anti-rust coating.

9. The CNC intelligent wired cold knife device of claim 1, wherein: The end of the arc-shaped through groove (611) is provided with a limiting stopper (613) for limiting the movement range of the iron pipe (8).