CN210024661U - Broken cutter detection mechanism - Google Patents
Broken cutter detection mechanism Download PDFInfo
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- CN210024661U CN210024661U CN201920370102.0U CN201920370102U CN210024661U CN 210024661 U CN210024661 U CN 210024661U CN 201920370102 U CN201920370102 U CN 201920370102U CN 210024661 U CN210024661 U CN 210024661U
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Abstract
The utility model relates to a disconnected sword detection mechanism, including base, the ladder groove, press the depression bar and press the briquetting, the base is equipped with the ladder groove, press the depression bar to locate the ladder inslot, press the one end of depression bar with pedestal connection, press the briquetting to locate press the other end of depression bar and with press the depression bar to connect. The original technical means of optical signal judgment is eliminated, and the accuracy of cutter breaking detection is improved by adopting an electric signal as a judgment basis.
Description
Technical Field
The utility model relates to a lathe disconnected sword detection area, in particular to disconnected sword detection mechanism.
Background
In machine tool machining, a cutter is very important, a workpiece can be cut and machined through rotation of the cutter, so the integrity of the cutter is critical to the machining quality, if the cutter is not timely found to be broken in the machining process, flying cutters can be caused, the machine tool can be damaged, the machining quality of the machined workpiece can be further influenced, and the machine tool can be assembled on an engine or other mechanical mechanisms to cause great quality and safety accidents.
In the prior art, a correlation sensor is mostly adopted to detect the broken cutter, but the correlation sensor has a large sensing range and low precision, and iron scraps in a processing bin are more, so that the detection accuracy rate of the broken cutter is influenced when the broken cutter is stuck on a cutter or a sensor, a false alarm of the broken cutter can be generated, and equipment needs to be stopped, inspected and maintained. Some machine tools are additionally provided with special broken cutter detection devices, but the detection devices have complex structures and high manufacturing cost.
Disclosure of Invention
The utility model provides a disconnected sword detection mechanism aims at solving the current detection device and detects the problem that the rate of accuracy is not high and the mechanism is complicated.
The utility model provides a disconnected sword detection mechanism, including base, the ladder groove, press the depression bar and press the briquetting, the base is equipped with the ladder groove, press the depression bar to locate the ladder inslot, press the one end of depression bar with pedestal connection, press the briquetting to locate press the other end of depression bar and with press the depression bar to connect.
As a further improvement, the knife-breaking detection mechanism further comprises a proximity switch, the proximity switch is located on the base and located on one side of the pressing rod.
As a further improvement, the knife-breaking detection mechanism further comprises a first connecting shaft, the pressing block passes through the first connecting shaft and the pressing rod are connected.
As a further improvement, the press rod other end top is equipped with the through-hole, be equipped with first connecting hole according to press rod one side, first connecting hole with the through-hole is perpendicular.
As a further improvement of the present invention, the first connecting hole is connected to the first connecting shaft.
As a further improvement, the knife-breaking detection mechanism further comprises a second connecting shaft, and the pressing rod passes through the second connecting shaft and the pedestal connection.
As a further improvement of the utility model, one side of base is equipped with the second connecting hole, the second connecting hole with it is perpendicular to press the depression bar.
As a further improvement of the present invention, the second connecting hole is connected to the second connecting shaft.
As a further improvement, the knife-breaking detection mechanism further comprises a tension spring, a first tension spring component and a second tension spring component, the end of the pressing rod is provided with the first tension spring component, the bottom of the end of the base is provided with the second tension spring component, one end of the tension spring is connected with the first tension spring component, and the other end of the tension spring is connected with the second tension spring component.
As a further improvement of the utility model, the opposite side of the proximity switch is provided with an observation groove.
The utility model has the advantages that: the original technical means of optical signal judgment is eliminated, and the accuracy of cutter breaking detection is improved by adopting an electric signal as a judgment basis.
Drawings
Fig. 1 is an overall view of the present invention.
Fig. 2 is a plan view of the present invention.
Detailed Description
Reference numerals: 1-base, 2-step groove, 3-pressing rod, 4-proximity switch, 5-pressing block, 6-through hole, 7-first connecting hole, 8-first connecting shaft, 9-second connecting hole, 10-second connecting shaft, 11-first tension spring component, 12-second tension spring component, 13-tension spring, 14-observation groove.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1, a knife breakage detection mechanism comprises a base 1, a stepped groove 2, a pressing rod 3 and a pressing block 5, wherein the base 1 is provided with the stepped groove 2, the pressing rod 3 is arranged in the stepped groove 2, one end of the pressing rod 3 is connected with the base 1, and the pressing block 5 is arranged at the other end of the pressing rod 3 and is connected with the pressing rod 3.
Preferably, the knife-breaking detection mechanism further comprises a proximity switch 4, and the proximity switch 4 is arranged on the base 1 and located on one side of the pressing rod 3.
The utility model discloses a proximity switch 4 replaces original correlation formula sensor, and proximity switch 4 is one kind and need not to carry out mechanical direct contact and the position switch that can operate with the moving part, when object proximity switch's response face to action distance, does not need mechanical contact and exerts any pressure and can make the switch action to provide control command for computer device, consequently do not need direct test cutter just can know whether the cutter splits, press the motion range of depression bar 3, will with proximity switch 4 has the response, the utility model discloses well proximity switch 4 preferably adopts ba lufu 2 linear induction type sensor.
As shown in fig. 1, after each set of tools is finished, the main spindle moves to a position just above the pressing block 5, and then the main spindle descends a specific distance according to the different tools to press the pressing block 5 and lower the other end of the pressing rod 3. If the tool is not broken and the spindle descends to the right position, the pressing rod 3 can be pressed to the sensing position of the proximity switch 4, the condition that the tool is not broken in the PMC logic circuit is met, and the equipment performs the next action; if the cutter is broken, after the main shaft descends to the right position, the pressing rod 3 cannot be pressed to the induction position of the proximity switch 4, the cutter breaking condition in the PMC logic circuit is met, an alarm is given immediately, and the equipment is shut down.
Preferably, the broken blade detection mechanism further includes a first connecting shaft 8, and the pressing block 5 is connected to the pressing rod 3 through the first connecting shaft 8. Press 3 other end tops of depression bar to be equipped with through-hole 6, press 3 one sides of depression bar to be equipped with first connecting hole 7, first connecting hole 7 with through-hole 6 is perpendicular. The first connection hole 7 is connected to the first connection shaft 8.
According to the comparatively hard material of texture will be selected to the briquetting 5, because press briquetting 5 with cutter direct contact, just the utility model discloses need repeated repetitious usage, so press briquetting best design for the cylinder type and can rotate on the first connecting axle 8, work as press briquetting 5 on certain point by repetitious usage back, rotatable press briquetting 5 to make its contact point with the cutter change, so not only can guarantee the accuracy that detects, can increase moreover the utility model discloses a life. As shown in fig. 2, the first connecting hole 7 is a through hole, the first connecting shaft 8 is connected to the first connecting hole 7 by welding or screws, the pressing block 5 is connected to the through hole 6 by the first connecting shaft 8, the pressing block 5 is fixed to the through hole 6, and when a tool is pressed against the pressing block 5, the other end of the pressing rod 3 is driven to descend.
Preferably, the broken knife detection mechanism further comprises a second connecting shaft 10, and the pressing rod 3 is connected with the base 1 through the second connecting shaft 10. One side of the base 1 is provided with a second connecting hole 9, and the second connecting hole 9 is perpendicular to the pressing rod 3. The second connecting hole 9 is connected with the second connecting shaft 10.
As shown in fig. 2, one end of the pressing rod 3 is fixed to the second connecting shaft 10, a second connecting hole 9 is formed in one side of the base 1, the second connecting hole 9 is a through hole, and the second connecting shaft 10 may be connected to the second connecting hole 9 by welding or screws.
Preferentially, disconnected sword detection mechanism still includes extension spring 13, first extension spring part 11 and second extension spring part 12, press 3 end of depression bar and be equipped with first extension spring part 11, 1 end bottom of base is equipped with second extension spring part 12, the one end of extension spring 13 with first extension spring part 11 is connected, the other end of extension spring 13 with second extension spring part 12 is connected.
When the cutter is detected, the spindle descends, the pressing block 5 is pressed, the other end of the pressing rod 3 descends, the tension spring 13 is stretched, after detection is completed, the spindle ascends, no pressure exists on the pressing rod 3, the tension spring 13 elastically recovers, and the pressing rod 3 returns to the original position under the action force recovered by the tension spring 13.
Preferably, the proximity switch 4 is provided with a viewing slot 14 on the opposite side.
The broken cutter detection is carried out in the machine tool, and an operator needs to observe in real time during the detection process, so that an observation groove 14 is formed in the opposite side of the proximity switch 4 so as to be convenient for observation from the outside of the machine tool, and the real-time state can be observed when the equipment runs.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. The utility model provides a disconnected sword detection mechanism, its characterized in that includes base (1), ladder groove (2), presses down depression bar (3) and presses down briquetting (5), base (1) is equipped with ladder groove (2), press down briquetting (3) to locate in ladder groove (2), press down the one end of depression bar (3) with base (1) is connected, press briquetting (5) to locate press down the other end of depression bar (3) and with press down briquetting (3) to connect.
2. The breaking detection mechanism according to claim 1, further comprising a proximity switch (4), wherein the proximity switch (4) is disposed on the base (1) and located on one side of the pressing rod (3).
3. The break detecting mechanism according to claim 2, further comprising a first connecting shaft (8), wherein the pressing block (5) is connected to the pressing rod (3) through the first connecting shaft (8).
4. The broken knife detection mechanism according to claim 3, characterized in that a through hole (6) is arranged at the top of the other end of the pressing rod (3), a first connecting hole (7) is arranged at one side of the pressing rod (3), and the first connecting hole (7) is perpendicular to the through hole (6).
5. A break detecting mechanism according to claim 4, characterized in that the first connecting hole (7) is connected to the first connecting shaft (8).
6. The break detecting mechanism according to claim 4, characterized in that it further comprises a second connecting shaft (10), and the pressing rod (3) is connected with the base (1) through the second connecting shaft (10).
7. The cutter breakage detection mechanism according to claim 6, wherein a second connection hole (9) is formed in one side of the base (1), and the second connection hole (9) is perpendicular to the pressing rod (3).
8. A break detecting mechanism according to claim 7, characterized in that the second connection hole (9) is connected with the second connection shaft (10).
9. The broken knife detection mechanism according to any one of claims 1, 2, 4 and 7, further comprising a tension spring (13), a first tension spring component (11) and a second tension spring component (12), wherein the first tension spring component (11) is arranged at the tail end of the pressing rod (3), the second tension spring component (12) is arranged at the bottom of the tail end of the base (1), one end of the tension spring (13) is connected with the first tension spring component (11), and the other end of the tension spring (13) is connected with the second tension spring component (12).
10. A break detecting mechanism according to any of the claims 2-8, characterized in that the proximity switch (4) is provided with a viewing slot (14) on the opposite side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920370102.0U CN210024661U (en) | 2019-03-22 | 2019-03-22 | Broken cutter detection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920370102.0U CN210024661U (en) | 2019-03-22 | 2019-03-22 | Broken cutter detection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210024661U true CN210024661U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920370102.0U Active CN210024661U (en) | 2019-03-22 | 2019-03-22 | Broken cutter detection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210024661U (en) |
-
2019
- 2019-03-22 CN CN201920370102.0U patent/CN210024661U/en active Active
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