CN220921651U - Servo chain type tool magazine with multiple safety control protection functions - Google Patents
Servo chain type tool magazine with multiple safety control protection functions Download PDFInfo
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- CN220921651U CN220921651U CN202322954132.5U CN202322954132U CN220921651U CN 220921651 U CN220921651 U CN 220921651U CN 202322954132 U CN202322954132 U CN 202322954132U CN 220921651 U CN220921651 U CN 220921651U
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- 230000006698 induction Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 238000010408 sweeping Methods 0.000 claims description 3
- 230000005693 optoelectronics Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 abstract description 4
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
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Abstract
The utility model provides a multiple safety control protection servo chain type tool magazine which comprises a support, a top disc and a driving mechanism, wherein the driving mechanism is fixedly connected to the inner side of the support. The utility model has the advantages that: when the cutter is loaded, whether the cutter is installed correctly can be judged, whether the cutter of the cutter claw is installed or not can be judged, after the machine tool is started up each time, the cutter magazine can automatically detect the cutter state on each cutter claw through rotation, the cutters are loaded on which cutter claws, the cutters on the cutter claws are detected by a plurality of sensors, the risk of collision when the main shaft changes the cutter is avoided, the origin position of the cutter magazine is rapidly judged through an origin switch, the counting is carried out again, and the error reporting of the system is reduced; the efficiency and the degree of accuracy are improved, whether each cutter claw 10 dress sword can be judged through the automated inspection after the start, need not artifical judgement, the availability factor and the security of lathe have been improved greatly, through the multiple detection of 3 sensors, the possibility of hitting the sword of main shaft when the tool change can be avoided completely.
Description
Technical Field
The utility model relates to the technical field of tool magazine, in particular to a multiple safety control protection servo chain type tool magazine.
Background
The tool magazine is one of key parts of the numerical control machine tool and stores tools used for machining of the numerical control machine tool. The chain type tool magazine is one of the main solutions of the large-capacity tool magazine in the numerical control machine because of the large number of tools which can be loaded. More and more machines adopt servo chain type tool magazine due to stability, high efficiency, high control precision, flexible control and other reasons of servo motor driving. The traditional servo chain type tool magazine is generally provided with a diffuse reflection photoelectric switch at a tool changing position for detecting whether a tool exists at the position, so that a signal is fed back to a numerical control system, and the situation that a main shaft collides with the tool during tool returning or tool taking is avoided.
However, the switch cannot be used for other detection functions, such as fast determination of whether all jaw positions have clamped a tool. This clearly fails to meet the need for intelligence in terms of safety and efficiency.
Along with the increasing demands of the numerical control machine for use efficiency and safety intellectualization, the demands of enterprises on machine products are also increased. The method can be used for judging whether each cutter claw of the cutter magazine has a loaded cutter or not more quickly after the machine tool is started each time, so that more efficient and safer control is provided for the machine tool when the machine tool is used, and new requirements are provided for the control mode of the cutter magazine. In addition, when the actual machine tool is used, it is necessary to load the empty claws with the tools after the detection is completed. How to determine if the tool loading is correct and whether it is done puts new demands on safety control and control logic.
Disclosure of utility model
The object of the present utility model is to solve at least one of the technical drawbacks.
Therefore, an objective of the present utility model is to provide a multiple safety control protection servo chain magazine to solve the problems mentioned in the background art and overcome the shortcomings in the prior art.
In order to achieve the above purpose, an embodiment of an aspect of the present utility model provides a multiple safety control protection servo chain type tool magazine, which includes a bracket, a top plate and a driving mechanism, wherein the driving mechanism is fixedly connected to the inner side of the bracket, the top plate is fixedly connected to the top of the bracket, and the track is fixedly connected to the top of the bracket;
a chain plate is movably connected to a chain wheel at the output end of the driving mechanism, and a bracket is fixedly connected to the inner side of the track;
The outer surface of the track is movably connected with a chain plate;
The middle part of the top surface of the bracket is fixedly connected with a first diffuse reflection photoelectric switch;
a second diffuse reflection photoelectric switch is fixedly connected to the middle part of the top surface of the top disc;
a proximity switch is fixedly connected to the middle part of one track;
The outer surface of the chain plate is fixedly connected with a plurality of cutter claws, wherein the cutter claws comprise a cutter claw at a zero position, and the root parts of the top surfaces of the cutter claws are fixedly connected with metal induction plates.
In any of the above schemes, preferably, the output end of the driving mechanism drives the chain plate to rotate when driving the chain wheel to rotate.
The technical scheme is adopted: A40T chain type tool magazine is taken as an example, and a multiple safety control protection servo tool magazine is introduced. On the basis of an original 40T chain type tool magazine, a diffuse reflection photoelectric switch, namely a second diffuse reflection photoelectric switch, is newly added on a top disc above a chain wheel at the rear part of the tool magazine, and the function I is as follows: for rapid detection and determination of whether a tool has been loaded on each jaw. The working principle is that when the tool magazine rotates, the distance between the tool handle on each tool claw and the sensor is fixed, if the tool is already installed on the tool claw, when the tool magazine continuously rotates, the sensor can detect that the position of the tool claw is already loaded with the tool, and the signal is fed back to the numerical control system and recorded, so that the number of the tool claw on which the tool is loaded is displayed on the system. The number of each cutter claw corresponds to one. The sensor is arranged at the middle position of the tool magazine and is far away from the processing area, so that oil mist, scrap iron and the like in processing can be prevented from affecting the detection accuracy of the sensor.
The second action is: the method can be used for detecting the correctness of the clamping tool. The working principle is that after the rapid detection is completed, a worker can control the tool magazine to rotate through the forward and reverse rotation control button at the rear of the machine tool until the tool magazine is rotated to a position where no tool is installed. At this time, a confirm cutter loading button is selected firstly, a cutter can be loaded by opening a cutter magazine back door after confirmation, and once a worker loads the cutter on a cutter claw correctly, a sensor lamp at the position is turned on, and the signal is fed back to a numerical control system. The tool may then continue to be loaded in other locations or the tool magazine door may be closed. In the process of clamping the cutter, the cutter magazine enters a manual control mode, forward and reverse rotation is controlled through a control key at the rear of the machine tool, and automatic rotation cannot be caused.
Newly adding an origin switch: and a1 proximity switch is additionally arranged in the center of the tool magazine, and a metal induction sheet is arranged on the No. 1 tool claw. Because the number of the chain type servo tool magazine tools is numerous, the encoder of the servo motor cannot quickly and effectively determine the coordinate value of the No. 1 tool claw 10 (the tool magazine zero position), and meanwhile, in the use process, infinite counting of tool positions can be carried out, so that system error reporting is easy to occur. After the original point switch is newly added, the zero point position of the tool magazine can be quickly and effectively determined in the quick rotation process of the tool magazine, and then counting is started from the tool magazine 1 again. Therefore, the motion control precision and stability of the servo motor to the chain type tool magazine can be improved, and the use safety of the tool magazine is further improved.
The control method mainly has the following effects: 1. when the cutter is loaded, whether the cutter is installed correctly can be judged, 2, whether the cutter of the cutter claw is installed or not can be judged, 3, after a machine tool is started up each time, the cutter magazine can automatically detect the cutter state on each cutter claw through rotation, and the cutter claws on which the cutter is loaded are detected, 4, the cutter on the cutter claw is detected by a plurality of sensors, so that the risk of collision when the main shaft changes the cutter is avoided, 5, the origin position of the cutter magazine is judged rapidly through an origin switch, the counting is carried out again, and the system error is reduced; 6. the efficiency and the degree of accuracy are improved, through the automated inspection after the start, whether every claw dress sword, need not artifical judgement, have improved the availability factor and the security of lathe greatly, and 7, through the multiple detection of 3 sensors, the possibility of hitting the sword when the tool change of main shaft can be avoided completely.
It is preferred from any of the above aspects that the track is provided with two parallel tracks.
By any of the above schemes, it is preferable that the first diffuse reflection photoelectric switch and the second diffuse reflection photoelectric switch are respectively located at two ends of the tool magazine, and the purpose of the first diffuse reflection photoelectric switch is that whether the tool change position of the spindle is detected or not.
It is preferred by any of the above aspects that the purpose of the second diffusely reflective optoelectronic switch is: detecting whether a cutter exists at the position of the manual clamping cutter or not; the quick knife sweeping switch is used for detecting clamping conditions of the knife on each knife claw by rotating a knife magazine chain plate.
The technical scheme is adopted: the second diffuse reflection photoelectric switch can rapidly detect the clamping condition of the cutter on each cutter claw.
In any of the above embodiments, it is preferable that the proximity switch senses the direction of the proximity switch downward, and detects and determines the zero position of the tool.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
This servo chain tool magazine of multiple safety control protection through newly increasing 1 diffuse reflection photoelectric switch on the roof plate of tool magazine rear sprocket department top, second diffuse reflection photoelectric switch, increases 1 proximity switch in tool magazine central point put to install the metal induction piece on No. 1 sword claw, can realize following purpose: 1. when the cutter is loaded, whether the cutter is installed correctly can be judged, 2, whether the cutter of the cutter claw is installed or not can be judged, 3, after a machine tool is started up each time, the cutter magazine can automatically detect the cutter state on each cutter claw through rotation, and the cutter claws on which the cutter is loaded are detected, 4, the cutter on the cutter claw is detected by a plurality of sensors, so that the risk of collision when the main shaft changes the cutter is avoided, 5, the origin position of the cutter magazine is judged rapidly through an origin switch, the counting is carried out again, and the system error is reduced; 6. the efficiency and the degree of accuracy are improved, through the automated inspection after the start, whether every claw dress sword, need not artifical judgement, have improved the availability factor and the security of lathe greatly, and 7, through the multiple detection of 3 sensors, the possibility of hitting the sword when the tool change of main shaft can be avoided completely.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is an enlarged schematic view of the structure of the present utility model at B in FIG. 1;
fig. 4 is an enlarged schematic view of the structure of fig. 1C according to the present utility model.
In the figure: the device comprises a 1-bracket, a 2-top disc, a 3-driving mechanism, a 4-track, a 5-chain link plate, a 6-bracket, a 7-first diffuse reflection photoelectric switch, an 8-second diffuse reflection photoelectric switch, a 9-proximity switch, a 10-cutter claw and an 11-metal induction sheet.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1-4, the servo chain type tool magazine with multiple safety control protection comprises a support 1, a top disc 2 and a driving mechanism 3, wherein the driving mechanism 3 is fixedly connected to the inner side of the support 1, the top disc 2 is fixedly connected to the top of the support 1, and a track 4 is fixedly connected to the top of the support 1;
a chain plate 5 is movably connected to a chain wheel at the output end of the driving mechanism 3, and a bracket 6 is fixedly connected to the inner side of the track 4;
the outer surface of the track 4 is movably connected with a chain plate 5;
The middle part of the top surface of the bracket 6 is fixedly connected with a first diffuse reflection photoelectric switch 7;
The middle part of the top surface of one top disc 2 is fixedly connected with a second diffuse reflection photoelectric switch 8;
the middle part of one track 4 is fixedly connected with a proximity switch 9;
the outer surface of the chain link plate 5 is fixedly connected with a plurality of cutter claws 10, wherein the cutter claws 10 at a zero position are included, and the root part of the top surface of the cutter claw 10 is fixedly connected with a metal induction piece 11.
Example 1: the output end of the driving mechanism 3 drives the chain plate 5 to rotate when driving the chain wheel to rotate. A40T chain type tool magazine is taken as an example, and a multiple safety control protection servo tool magazine is introduced. On the basis of an original 40T chain type tool magazine, a second diffuse reflection photoelectric switch 8 which is 1 diffuse reflection photoelectric switch is newly added on a top disc 2 above a chain wheel at the rear part of the tool magazine, and the function one: for quick detection and judgment of whether or not a tool has been loaded on each of the jaws 10. The working principle is that when the tool magazine rotates, the distance between the tool shank on each tool claw 10 and the sensor is fixed, if the tool is already installed on the tool claw 10, when the tool magazine continuously rotates, the sensor can detect that the position of the tool claw 10 is already loaded with the tool, and the signal is fed back to the numerical control system and recorded, so that the number of the tool claw 10 loaded with the tool is displayed on the system. The number of each jaw 10 corresponds one to one. The sensor is arranged at the middle position of the tool magazine and is far away from the processing area, so that oil mist, scrap iron and the like in processing can be prevented from affecting the detection accuracy of the sensor.
Example 2: the second diffuse reflection photoelectric switch 8 can be used for detecting the correctness of the clamping tool. The working principle is that after the rapid detection is completed, a worker can control the tool magazine to rotate through the forward and reverse rotation control button at the rear of the machine tool until the tool magazine is rotated to a position where no tool is installed. At this time, the "load tool" button is selected first, the tool magazine back door is opened to load tools after confirmation, and once the worker loads tools correctly onto the tool claws 10, the sensor lamp at that position is turned on, and this signal is fed back to the numerical control system. The tool may then continue to be loaded in other locations or the tool magazine door may be closed. In the process of clamping the cutter, the cutter magazine enters a manual control mode, forward and reverse rotation is controlled through a control key at the rear of the machine tool, and automatic rotation cannot be caused.
Example 3: the rails 4 are provided with two parallel rails. The first diffuse reflection photoelectric switch 7 and the second diffuse reflection photoelectric switch 8 are respectively positioned at two ends of the tool magazine, and the purpose of the first diffuse reflection photoelectric switch 7 is that whether the tool change position of the spindle is detected or not. The purpose of the second diffusely reflective electro-optical switch 8 is: detecting whether a cutter exists at the position of the manual clamping cutter or not; the quick knife sweeping switch is used for detecting the clamping condition of the knife on each knife claw 10 by rotating the knife magazine chain link plate 5. The second diffuse reflection photoelectric switch 8 can rapidly detect the clamping condition of the cutter on each cutter claw 10. The sensing direction of the proximity switch 9 is downward, and the sensing direction is used for detecting and judging the zero position of the cutter.
The working principle of the utility model is as follows:
Take a 40T chain magazine as an example. On the basis of an original 40T chain type tool magazine, a second diffuse reflection photoelectric switch 8 which is 1 diffuse reflection photoelectric switch is newly added on a top disc 2 above a chain wheel at the rear part of the tool magazine, and the function one: for quick detection and judgment of whether or not a tool has been loaded on each of the jaws 10. The working principle is that when the tool magazine rotates, the distance between the tool shank on each tool claw 10 and the sensor is fixed, if the tool is already installed on the tool claw 10, when the tool magazine continuously rotates, the sensor can detect that the position of the tool claw 10 is already loaded with the tool, and the signal is fed back to the numerical control system and recorded, so that the number of the tool claw 10 loaded with the tool is displayed on the system. The number of each jaw 10 corresponds one to one. The sensor is arranged at the middle position of the tool magazine and is far away from the processing area, so that oil mist, scrap iron and the like in processing can be prevented from affecting the detection accuracy of the sensor.
The second action is: the method can be used for detecting the correctness of the clamping tool. The working principle is that after the rapid detection is completed, a worker can control the tool magazine to rotate through the forward and reverse rotation control button at the rear of the machine tool until the tool magazine is rotated to a position where no tool is installed. At this time, the "load tool" button is selected first, the tool magazine back door is opened to load tools after confirmation, and once the worker loads tools correctly onto the tool claws 10, the sensor lamp at that position is turned on, and this signal is fed back to the numerical control system. The tool may then continue to be loaded in other locations or the tool magazine door may be closed. In the process of clamping the cutter, the cutter magazine enters a manual control mode, forward and reverse rotation is controlled through a control key at the rear of the machine tool, and automatic rotation cannot be caused.
Newly adding an origin switch: a proximity switch 9 is additionally arranged at the central position of the tool magazine, and a metal induction sheet 11 is arranged on a No. 1 tool claw 10. Because the number of the chain type servo tool magazine tools is numerous, the encoder of the servo motor cannot quickly and effectively determine the coordinate value of the No. 1 tool claw 10 (the tool magazine zero position), and meanwhile, in the use process, infinite counting of tool positions can be carried out, so that system error reporting is easy to occur. After the original point switch is newly added, the zero point position of the tool magazine can be quickly and effectively determined in the quick rotation process of the tool magazine, and then counting is started from the tool magazine 1 again. Therefore, the motion control precision and stability of the servo motor to the chain type tool magazine can be improved, and the use safety of the tool magazine is further improved.
Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:
This servo chain tool magazine of multiple safety control protection through newly increasing 1 diffuse reflection photoelectric switch, namely second diffuse reflection photoelectric switch 8 on the top tray 2 of tool magazine rear sprocket department top, increases 1 proximity switch 9 in tool magazine central point put to install metal induction piece 11 on No. 1 sword claw 10, can realize following purpose: 1. when the cutter is loaded, whether the cutter is installed correctly can be judged, 2, whether the cutter of the cutter claw 10 is installed or not can be judged, 3, after the machine tool is started up each time, the cutter magazine can automatically detect the cutter state on each cutter claw 10 through rotation, and the cutter state on each cutter claw 10 is loaded, 4, the cutter on the cutter claw 10 is detected by a plurality of sensors, so that the risk of collision during the cutter changing of a main shaft is avoided, 5, the original position of the cutter magazine is judged rapidly through an original point switch, the counting is carried out again, and the error reporting of a system is reduced; 6. the efficiency and the degree of accuracy are improved, through the automated inspection after the start, whether every claw 10 dress sword, need not artifical judgement, have improved the availability factor and the security of lathe greatly, and 7, through the multiple detection of 3 sensors, the possibility of hitting the sword when the tool change of main shaft can be avoided completely.
Claims (6)
1. The utility model provides a multiple safety control protection's servo chain tool magazine which characterized in that, includes support (1), roof plate (2) and actuating mechanism (3), the inboard fixedly connected with actuating mechanism (3) of support (1), the top fixedly connected with roof plate (2) of support (1), the top fixedly connected with track (4) of support (1);
A chain plate (5) is movably connected to a chain wheel at the output end of the driving mechanism (3), and a bracket (6) is fixedly connected to the inner side of the track (4);
the outer surface of the track (4) is movably connected with a chain plate (5);
the middle part of the top surface of the bracket (6) is fixedly connected with a first diffuse reflection photoelectric switch (7);
The middle part of the top surface of one top disc (2) is fixedly connected with a second diffuse reflection photoelectric switch (8);
The middle part of one track (4) is fixedly connected with a proximity switch (9);
The outer surface of the chain link plate (5) is fixedly connected with a plurality of cutter claws (10), wherein the cutter claws (10) at a zero position are included, and the root parts of the top surfaces of the cutter claws (10) are fixedly connected with metal induction plates (11).
2. A multiple safety control protected servo chain magazine as claimed in claim 1 wherein: the output end of the driving mechanism (3) drives the chain plate (5) to rotate when driving the chain wheel to rotate.
3. A multiple safety control protected servo chain magazine as claimed in claim 2 wherein: the rails (4) are provided with two parallel rails.
4. A multiple safety control protected servo chain magazine as claimed in claim 3 wherein: the first diffuse reflection photoelectric switch (7) and the second diffuse reflection photoelectric switch (8) are respectively positioned at two ends of the tool magazine, and the purpose of the first diffuse reflection photoelectric switch (7) is that whether a tool change position of a main shaft is detected or not.
5. The multiple safety control protected servo chain magazine as in claim 4 wherein: the purpose of the second diffusely reflective optoelectronic switch (8) is: detecting whether a cutter exists at the position of the manual clamping cutter or not; the quick knife sweeping switch is used for detecting the clamping condition of the knife on each knife claw (10) by rotating a knife magazine chain link plate (5).
6. The multiple safety control protected servo chain magazine as in claim 5 wherein: the induction direction of the proximity switch (9) is downward, and the detection and judgment of the zero position of the cutter are performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322954132.5U CN220921651U (en) | 2023-11-02 | 2023-11-02 | Servo chain type tool magazine with multiple safety control protection functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322954132.5U CN220921651U (en) | 2023-11-02 | 2023-11-02 | Servo chain type tool magazine with multiple safety control protection functions |
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| Publication Number | Publication Date |
|---|---|
| CN220921651U true CN220921651U (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322954132.5U Active CN220921651U (en) | 2023-11-02 | 2023-11-02 | Servo chain type tool magazine with multiple safety control protection functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220921651U (en) |
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2023
- 2023-11-02 CN CN202322954132.5U patent/CN220921651U/en active Active
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