Signal sensor mechanism for automatic tool changing system in new tool magazine of machining center

By designing a new signal sensing mechanism in the automatic tool change system of the machining center tool magazine, the combination of induction disk and signal box is used to solve the problem of complex and prone to failure in the prior art, the accuracy and stability of signal transmission are achieved, and the maintenance cost is reduced.

CN222711590UActive Publication Date: 2025-04-04SUZHOU LIANZHAN PRECISION MECHTRONICS CO LTD
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Patent Information

Application Number
CN202421274235.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-05
Publication Date
2025-04-04
Estimated Expiration
2034-06-05

AI Technical Summary

Technical Problem

In the automatic tool changing system of the existing machining machine tool tool magazine, the signal transmission method is complex, prone to failure, difficult maintenance, and professional adjustment of the encoder and induction rod, poor popularity and poor sealing, resulting in signal transmission distortion.

Method used

A new type of automatic tool change system signal sensing mechanism of machining center tool magazine is designed, using a combination of induction disk and signal box. The induction disk is connected to the inlet shaft mechanism through a fixture, and the waist hole on the induction disk ensures the accuracy and stability of signal transmission.

Benefits of technology

It realizes the simplicity and low cost of signal transmission, reduces the difficulty of maintenance and replacement, ensures the normal operation of the equipment, and has a small component area and does not occupy space.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of machining machine tools, and in particular to a new signal sensor mechanism for an automatic tool changing system of a tool magazine in a machining center. It includes a tool magazine box, an input shaft mechanism arranged in the tool magazine box for installing an input shaft, a signal box is installed outside the tool magazine box and at a position corresponding to the input shaft mechanism, a cavity is provided in the signal box, and a limited position mounting hole is provided on the side, a sensor disk is provided in the cavity of the signal box, and the sensor disk is connected to the end of the input shaft mechanism of the tool magazine box through a fixing part, a limited position anti-fool hole is provided on the side of the sensor disk, a plurality of waist-shaped holes are provided on the sensor disk, a plurality of groups of sensors are provided on the signal box, and the sensing area of ​​the sensor corresponds to the trajectory of the rotation of the waist-shaped hole. The benefits of the utility model are as follows: the disk is directly connected to the main transmission input shaft, and a general sensor is used to replace a sensor of special specifications, which simplifies the assembly process and makes signal transmission more direct and accurate.
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Description

Technical Field

[0001] The utility model relates to the technical field of machining machine tools, in particular to a novel signal sensor mechanism for an automatic tool changing system of a tool magazine of a machining center. Background Art

[0002] Prior art, CN202020090878.X A mounting device for the encoder sensor rod of the automatic tool changing system of the tool magazine of a machining machine tool, which is a direct connection encoder for the input shaft to transmit the signal, and the assembly process is complicated by the sprocket group to transmit the signal, and the encoder method is expensive to transmit the signal. The prior art has the following disadvantages: the sprocket group is used to drive the signal wheel and the sensor wheel group to achieve the purpose of signal transmission, which has a variety of matching workpieces and is time-consuming to assemble. The sprocket chain type transmits the control signal, which is prone to failure and difficult to repair. The cover plate must be removed, which increases the maintenance time and difficulty; and the adjustment of the encoder and the sensor rod is relatively professional and cannot be popularized; the poor sealing of the encoder and the sensor rod is prone to failure or signal distortion.

[0003] Therefore, it is necessary to design a new signal sensor mechanism for the automatic tool changing system of the machining center tool magazine to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a novel signal sensor mechanism for an automatic tool changing system of a tool magazine in a machining center to overcome the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A novel signal sensing mechanism for an automatic tool changing system of a tool magazine in a machining center comprises a tool magazine box and an input shaft mechanism arranged on the tool magazine box for installing an input shaft. The invention is characterized in that a signal box is installed outside the tool magazine box and at a position corresponding to the input shaft mechanism, a cavity is provided in the signal box, and a limited position mounting hole is provided on the side, a sensor disk is provided in the cavity of the signal box, and the sensor disk is connected to the end of the input shaft mechanism of the tool magazine box through a fixing part, a limited position anti-fool hole is provided on the side of the sensor disk, a plurality of waist-shaped holes are provided on the sensor disk, a plurality of groups of sensors are provided on the signal box, and the sensing area of ​​the sensor is set corresponding to the trajectory of the rotation of the waist-shaped hole.

[0007] Preferably, a perspective hole is opened beside the position-limiting installation hole.

[0008] Preferably, at least three groups of waist-shaped holes are provided, and the middle group corresponds to the position-limiting and fool-proof holes, and the other waist-shaped holes are respectively placed on both sides.

[0009] Preferably, a first O-ring is provided between the induction disc and the signal box.

[0010] Preferably, a gasket is further provided between the fixing member and the induction disc.

[0011] Preferably, a sensor fixing plate is installed outside the cavity of the signal box, the cavity is covered by the sensor fixing plate, and a sealing ring is provided between the sensor fixing plate and the signal box.

[0012] Preferably, a detection window is installed at the perspective hole of the signal box, and a standard line is opened on the detection window.

[0013] The beneficial effects of the utility model are as follows: the technical solution sets an induction disk, and sets a fool-proof hole on the induction disk to facilitate assembly and adjustment, and directly detects the waist-shaped hole on the induction disk through the sensor to ensure the normal operation of the entire mechanism, with a simple structure and low manufacturing cost. The induction disk is directly connected to the main shaft, and the induction signal will not be distorted. It can be used in conjunction with an ordinary sensor, thereby greatly reducing the cost and facilitating later maintenance and replacement, and the component area is small and does not take up space. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an exploded diagram of a signal sensor mechanism of a new type of automatic tool changing system of a tool magazine in a machining center of the utility model;

[0015] Figure 2 This is a schematic diagram of a signal box of a signal sensor mechanism of a new type of automatic tool changing system of a tool magazine in a machining center according to the utility model;

[0016] Figure 3 This is a schematic diagram of the induction disk of a signal sensing mechanism of a new type of automatic tool changing system of a tool magazine in a machining center according to the utility model;

[0017] In the figure: 1. tool magazine box; 2. input shaft mechanism; 3. signal box; 31. cavity; 32. perspective hole; 33. limit installation hole; 4. induction plate; 41. fixing piece; 42. limit anti-fool hole; 43. waist-shaped hole; 44. first O-ring; 45. gasket; 5. sensor fixing plate; 6. sealing ring; 7. sensor; 8. detection window; 81. standard line. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0020] Reference Figures 1 to 3 A novel signal sensor mechanism for an automatic tool changing system of a tool magazine in a machining center comprises a tool magazine box 1, and an input shaft mechanism 2 arranged in the tool magazine box for installing an input shaft;

[0021] A signal box 3 is installed outside the tool magazine box and at a position corresponding to the input shaft mechanism, a cavity 31 is opened in the signal box, a perspective hole 32 is opened on the side, and a limited position installation hole 33 is set beside the perspective hole;

[0022] A sensing disc 4 is arranged in the cavity of the signal box, and the sensing disc 4 is connected to the end of the input shaft mechanism of the tool magazine box through a fixing piece 41, a limited position foolproof hole 42 is opened on the side of the sensing disc, and a plurality of waist-shaped holes 43 are arranged on the sensing disc, and at least three groups of waist-shaped holes are arranged, and the middle group corresponds to the limited position foolproof hole arrangement, and the two outer groups are arranged on both sides respectively; in order to effectively improve the sealing performance, a first O-type sealing ring 44 is arranged between the sensing disc and the signal box 3; the waist-shaped holes 43 are evenly distributed with the center point of the sensing disc as the center;

[0023] A gasket 45 is also provided between the fixing member and the induction disc to prevent pressure, corrosion, leakage, etc. between the two.

[0024] A sensor fixing plate 5 is installed outside the cavity of the signal box, the cavity is covered by the sensor fixing plate, and a sealing ring 6 is provided between the sensor fixing plate and the signal box;

[0025] A plurality of sensors 7 are provided on the signal box; and the sensing areas of the sensors are arranged corresponding to the waist-shaped holes; when the rotating disk rotates, the rotation trajectory of the waist-shaped holes 43 is sensed by the sensors.

[0026] During assembly, the limit hole is set opposite to the limit installation hole 33 of the signal box to ensure the installation position of the induction disc;

[0027] A detection window 8 is installed at the perspective hole 32 of the signal box; a standard line 81 is opened on the detection window, and the standard line is used to detect the position of the limit hole 42 of the induction disk to ensure that the induction disk is within the range of the standard line, thereby ensuring the safety of the entire equipment;

[0028] In this implementation case, during the detection, the induction disc rotates with the input shaft mechanism, and the sensor senses the waist-shaped holes on the induction disc. If each group can sense it, there is no problem. If it cannot sense it, it means that there is a fault, and a signal is sent to stop the machine urgently for maintenance.

[0029] The benefits of the utility model are that the technical solution sets an induction disk and sets a fool-proof hole on the induction disk to facilitate assembly and adjustment. The waist-shaped hole on the induction disk is directly detected by the sensor to ensure the normal operation of the entire mechanism. The structure is simple and the production cost is low. The induction disk is directly connected to the main shaft, and the induction signal will not be distorted. It can be used in conjunction with an ordinary sensor, thereby greatly reducing the cost and facilitating later maintenance and replacement. The component area is small and does not take up space.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A new signal sensor mechanism for an automatic tool changing system of a tool magazine in a machining center, comprising a tool magazine box and an input shaft mechanism arranged in the tool magazine box for installing an input shaft, characterized in that: A signal box is installed outside the tool magazine box and at a corresponding position of the input shaft mechanism. A cavity is opened in the signal box, and a limited position installation hole is opened on the side. A sensor disk is arranged in the cavity of the signal box, and the sensor disk is connected to the end of the input shaft mechanism of the tool magazine box through a fixing part. A limited position anti-fool hole is opened on the side of the sensor disk, a plurality of waist-shaped holes are arranged on the sensor disk, a plurality of groups of sensors are opened on the signal box, and the sensing area of ​​the sensor corresponds to the trajectory of the rotation of the waist-shaped hole.

2. According to claim 1, a new type of signal sensor mechanism for automatic tool changing system of tool magazine in machining center is characterized by: A perspective hole is provided beside the position limiting installation hole.

3. According to claim 1, a new type of signal sensor mechanism for automatic tool changing system of tool magazine in machining center is characterized by: At least three groups of waist-shaped holes are arranged, and the middle group corresponds to the position-limiting and fool-proofing holes, and the other waist-shaped holes are arranged on both sides.

4. According to claim 1, a new type of signal sensor mechanism for automatic tool changing system of tool magazine in machining center is characterized by: A first O-type sealing ring is arranged between the induction disc and the signal box.

5. According to claim 1, the new type of signal sensor mechanism for automatic tool changing system of tool magazine in machining center is characterized by: A gasket is also arranged between the fixing member and the induction disc.

6. The new signal sensor mechanism for the automatic tool changing system of tool magazine in a machining center according to claim 1 is characterized by: A sensor fixing plate is installed outside the cavity of the signal box, the cavity is covered by the sensor fixing plate, and a sealing ring is arranged between the sensor fixing plate and the signal box.

7. The new signal sensor mechanism for the automatic tool changing system of tool magazine in a machining center according to claim 1 is characterized by: A detection window is installed at the perspective hole of the signal box, and a standard line is opened on the detection window.

Citation Information

Patent Citations

  • Mounting device for encoder induction rod of automatic tool changing system of machining tool magazine

    CN212095431U