CN216421923U - Knife-breaking detection device for numerical control machine tool - Google Patents
Knife-breaking detection device for numerical control machine tool Download PDFInfo
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- CN216421923U CN216421923U CN202122623247.7U CN202122623247U CN216421923U CN 216421923 U CN216421923 U CN 216421923U CN 202122623247 U CN202122623247 U CN 202122623247U CN 216421923 U CN216421923 U CN 216421923U
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- shell
- cutter
- main shaft
- pressure sensor
- machine tool
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- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 6
- 230000001066 destructive effect Effects 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model discloses a broken cutter detection device for a numerical control machine tool, which comprises a positioning plate, a shell, a moving assembly, a sliding rod and a pressure sensor; a circular positioning plate is fixedly sleeved in the middle of the cutter close to the cutting edge of the cutter coaxially, a shell is fixedly attached to a position, below one side face of the main shaft rack, the shell is of a vertically arranged hollow cuboid structure, an L-shaped sliding rod is vertically arranged on one side, close to the main shaft rack, of the shell, the vertical end of the sliding rod vertically extends downwards to the lower surface of the shell, a pressure sensor is further arranged on the end face of the vertical end of the sliding rod, the horizontal end of the sliding rod vertically moves up and down in the shell through a moving assembly, and the pressure sensor is driven to vertically move downwards towards the direction of the positioning plate; and the cutter is subjected to cutter breakage detection through the contact of the pressure sensor and the positioning plate. The utility model discloses a carry out real-time disconnected sword to the cutter and detect, improved machining efficiency.
Description
Technical Field
The utility model relates to a lathe skilled worker technical field, concretely relates to disconnected sword detection device that digit control machine tool was used.
Background
When a workpiece is machined by a machine tool, the cutter is easy to break due to the abrasion of the cutter, stress fatigue and the like, the service life of the cutter is prolonged, or an operator does not perform standard operation, and particularly the cutter with a small diameter. However, because the protective door of the machine tool is closed tightly in the machining process, no alarm device is provided when the cutter is broken, the machining process of the machine tool is automatic, an operator may need to operate the machine tool by one person, and the working beat is compact. Therefore, the above problems need to be solved.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a disconnected sword detection device that digit control machine tool was used, through the cooperation of removing subassembly, slide bar, pressure sensor, locating plate and limit switch, realized carrying out real-time disconnected sword to the cutter and detected to the phenomenon emergence in invalid processing, work piece destructive processing and extravagant man-hour has been avoided, has improved machining efficiency.
In order to solve the technical problem, the utility model discloses take following technical scheme: the utility model discloses a broken cutter detection device for a numerical control machine tool, which comprises a main shaft frame, a main shaft, a cutter frame and a cutter; the main shaft is installed through the main shaft frame, and the rear end of the main shaft is connected with a power driving device of the numerical control machine tool; a tool rest is arranged at the front end of the main shaft, and the cutter is detachably arranged on the tool rest; the innovation points are as follows: the device also comprises a positioning plate, a shell, a moving assembly, a sliding rod and a pressure sensor; a circular positioning plate is fixedly sleeved in the middle of the cutter close to the cutting edge of the cutter coaxially, a shell is fixedly attached to a position, below one side face of the main shaft rack, the shell is of a vertically arranged hollow cuboid structure, an L-shaped sliding rod is vertically arranged on one side, close to the main shaft rack, of the shell, the vertical end of the sliding rod vertically extends downwards to the lower surface of the shell, a pressure sensor is further arranged on the end face of the vertical end of the sliding rod, the horizontal end of the sliding rod vertically moves up and down in the shell through a moving assembly, and the pressure sensor is driven to vertically move downwards towards the direction of the positioning plate; and the cutter is subjected to cutter breakage detection through the contact of the pressure sensor and the positioning plate.
Preferably, the moving assembly comprises a supporting plate, a motor, a threaded rod, a guide rail and a sliding block; a supporting plate matched with the inside of the shell is horizontally arranged at the upper position inside the shell, and the peripheral side surfaces of the supporting plate are respectively and fixedly connected with the inner side surface of the shell; a threaded rod is vertically arranged between the supporting plate and the inner bottom surface of the shell, two ends of the threaded rod are respectively rotatably connected with the supporting plate and the inner bottom surface of the shell, and one end of the threaded rod connected with the supporting plate vertically extends upwards out of the supporting plate and is in linkage connection with the output end of the motor; the motor is vertically arranged and is fixedly connected with the upper surface of the supporting plate in a threaded manner; guide rails are vertically and symmetrically arranged on the left side and the right side of the threaded rod in parallel, and two ends of each guide rail are fixedly connected with the supporting plate and the inner bottom surface of the shell in a threaded manner; the threaded rod is further sleeved with a sliding block, the sliding block is horizontally arranged between the supporting plate and the inner bottom surface of the shell, is in threaded connection with the threaded rod and is vertically and vertically connected with each guide rail in a sliding mode.
Preferably, the horizontal end of the sliding rod is vertically and fixedly connected with one side surface of the sliding block close to the main shaft frame, and vertically moves up and down along with the sliding block.
Preferably, a limiting plate is horizontally arranged between the vertical end of the sliding block and the pressure sensor, the upper surface of the limiting plate is fixedly attached to the end face of the vertical end of the sliding block, and the lower surface of the limiting plate is fixedly connected with the fixed end of the pressure sensor; the area of the limiting plate is larger than the area of the joint of the sliding rod and the lower surface of the shell, and the vertical upward movement of the sliding rod is limited through the limiting plate.
Preferably, the detection end of the pressure sensor is arranged towards the direction of the positioning plate and is arranged in the range covered by the positioning plate.
Preferably, the positioning plate is arranged at the rear end of the cutting edge and close to the cutting edge, and does not interfere with the action of the cutting tool.
Preferably, the device also comprises a bracket and a limit switch; a bracket is vertically arranged on one side of the inner bottom surface of the shell, which is far away from the main shaft rack, and a limit switch is arranged on one side of the upper end of the bracket, which is close to the main shaft rack; the detection end of the limit switch is arranged towards the vertical moving track direction of the sliding block, and limits the vertical downward movement of the sliding block.
Preferably, the vertical distance between the sliding block and the limit switch is greater than the vertical distance between the pressure sensor and the positioning plate.
Preferably, the device also comprises a plurality of reinforcing plates; and a plurality of reinforcing plates are vertically arranged on one side of the upper surface of the shell, which is close to the main shaft rack, at intervals, and each reinforcing plate is fixedly connected with the upper surface of the shell and the corresponding side surface of the main shaft rack respectively and used for reinforcing and fixing the shell.
The utility model has the advantages that: the utility model discloses a remove subassembly, slide bar, pressure sensor, locating plate and limit switch's cooperation and use, realized carrying out real-time disconnected sword to the cutter and detected to the phenomenon of having avoided invalid processing, work piece destructive processing and extravagant man-hour takes place, has improved machining efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is the utility model relates to a knife breakage detection device for numerical control machine tool.
Wherein, 1-main shaft frame; 2-a tool rest; 3-cutting tools; 4-a main shaft; 5, positioning a plate; 6-knife edge; 7-a housing; 8-a support plate; 9-a motor; 10-a threaded rod; 11-a guide rail; 12-a slide block; 13-a slide bar; 14-a limiting plate; 15-a pressure sensor; 16-a scaffold; 17-a limit switch; 18-reinforcing plate.
Detailed Description
The technical solution of the present invention will be described clearly and completely through the following detailed description.
The utility model discloses a broken cutter detection device for a numerical control machine tool, which comprises a main shaft frame 1, a main shaft 4, a cutter rest 2, a cutter 3, a positioning plate 5, a shell 7, a moving assembly, a sliding rod 13 and a pressure sensor 15; the main shaft 4 is installed through the main shaft frame 1, and the rear end of the main shaft is connected with a power driving device of a numerical control machine tool; a tool rest 2 is arranged at the front end of the main shaft 4, and a cutter 3 is detachably arranged on the tool rest 2; the specific structure is as shown in fig. 1, a circular positioning plate 5 is fixedly sleeved and coaxially at the middle of the cutter 3 close to a cutting edge 6 of the cutter, a shell 7 is fixedly attached to a lower side of the main shaft rack 1, the shell 7 is of a vertically arranged hollow cuboid structure, an L-shaped sliding rod 13 is vertically arranged at one side of the shell close to the main shaft rack 1, the vertical end of the sliding rod 13 vertically extends downwards to the lower surface of the shell 7, a pressure sensor 15 is arranged on the end surface of the vertical end of the sliding rod 13, the horizontal end of the sliding rod 13 vertically moves up and down in the shell 7 through a moving assembly, and the pressure sensor 15 is driven to vertically move downwards towards the positioning plate 5; the utility model discloses a pressure sensor 15 whether with the contact of locating plate 5, come to carry out the disconnected sword to cutter 3 and detect, judge that cutter 3 is in normal condition still disconnected sword state.
The middle moving component of the utility model comprises a supporting plate 8, a motor 9, a threaded rod 10, a guide rail 11 and a slide block 12; as shown in fig. 1, a support plate 8 matched with the inside of the casing 7 is horizontally arranged at an upper position inside the casing 7, and the peripheral side surfaces of the support plate 8 are respectively fixedly connected with the inner side surface of the casing 7; a threaded rod 10 is also vertically arranged between the support plate 8 and the inner bottom surface of the shell 7, two ends of the threaded rod 10 are respectively rotatably connected with the support plate 8 and the inner bottom surface of the shell 7, and one end of the threaded rod 10 connected with the support plate 8 vertically extends upwards to form the support plate 8 and is in linkage connection with the output end of the motor 9; wherein, the motor 9 is vertically arranged and is fixed with the upper surface of the supporting plate 8 by screw joint;
as shown in fig. 1, guide rails 11 are also vertically, parallelly and symmetrically arranged on the left side and the right side of the threaded rod 10, and two ends of each guide rail 11 are respectively fixed with the support plate 8 and the inner bottom surface of the shell 7 in a threaded manner; the threaded rod 10 is further sleeved with a sliding block 12, the sliding block 12 is horizontally arranged between the supporting plate 8 and the inner bottom surface of the shell 7, is in threaded connection with the threaded rod 10 and is vertically and vertically connected with each guide rail 11 in a sliding mode. The horizontal end of the middle sliding rod 13 is fixedly connected with the sliding block 12 by a side surface of the main shaft frame 1, and moves vertically along with the sliding block 12.
As shown in fig. 1, a limit plate 14 is horizontally arranged between the vertical end of the slider 12 and the pressure sensor 15, the upper surface of the limit plate 14 is fixedly attached to the end surface of the vertical end of the slider 12, and the lower surface of the limit plate is fixedly connected to the fixed end of the pressure sensor 15; the area of the limit plate 14 is larger than the area of the joint of the sliding rod 13 and the lower surface of the housing 7, and the limit plate 14 limits the vertical upward movement of the sliding rod 13.
In the utility model, the detection end of the pressure sensor 15 is arranged towards the direction of the positioning plate 5 and is arranged in the range covered by the positioning plate 5, thereby ensuring that the pressure sensor 15 can be contacted with the positioning plate 5 when the cutter 3 is in a normal state; as shown in fig. 1, the positioning plate 5 is disposed at the rear end of the blade 6, near the blade 6 thereof, and does not interfere with the action of the cutter 3.
As shown in fig. 1, a bracket 16 is vertically arranged on one side of the inner bottom surface of the shell 7, which is far away from the main shaft frame 1, and a limit switch 17 is arranged on one side of the upper end of the bracket 16, which is close to the main shaft frame 1; the detection end of the limit switch 17 is arranged towards the vertical movement track direction of the slide block 12 and limits the vertical downward movement of the slide block 12; wherein, the vertical distance between the slide block 12 and the limit switch 17 is larger than the vertical distance between the pressure sensor 15 and the positioning plate 5, so that the sliding rod 13 does not move downwards all the time when the cutter 3 is in the cutter breaking state.
As shown in fig. 1, a plurality of reinforcing plates 18 are further vertically arranged on the upper surface of the housing 7 close to the spindle frame 1 at intervals, and each reinforcing plate 18 is fixedly connected with the upper surface of the housing 7 and the corresponding side surface of the spindle frame 1, and reinforces and fixes the housing 7.
The utility model discloses a theory of operation:
(1) when the cutter 3 is lifted, the sliding block 12 drives the sliding rod 13 to vertically move downwards under the driving of the motor 9, so that the pressure sensor 15 is in contact with the positioning plate 5, the cutter 3 is judged to be in a normal state, and then the sliding block 12 drives the sliding rod 13 to vertically move upwards under the driving of the motor 9, and one-time cutter breakage detection is completed;
(2) when the cutter 3 is in the cutter breaking state, the pressure sensor 15 can continue to move downwards due to the fact that the pressure sensor cannot contact the positioning plate 5, then the sliding block 12 contacts the limit switch 17, the equipment stops, and the cutter 3 is maintained and replaced.
The utility model has the advantages that: the utility model discloses a remove subassembly, slide bar 13, pressure sensor 15, locating plate 5 and limit switch 17's cooperation and use, realized carrying out real-time disconnected sword to cutter 3 and detected to the phenomenon of having avoided invalid processing, work piece destructive processing and extravagant man-hour takes place, has improved machining efficiency.
The above-mentioned embodiments are only described as the preferred embodiments of the present invention, and are not intended to limit the concept and scope of the present invention, and the technical content of the present invention, which is claimed by the present invention, is fully recorded in the technical claims.
Claims (9)
1. A broken cutter detection device for a numerical control machine tool comprises a main shaft frame, a main shaft, a cutter frame and a cutter; the main shaft is installed through the main shaft frame, and the rear end of the main shaft is connected with a power driving device of the numerical control machine tool; a tool rest is arranged at the front end of the main shaft, and the cutter is detachably arranged on the tool rest; the method is characterized in that: the device also comprises a positioning plate, a shell, a moving assembly, a sliding rod and a pressure sensor; a circular positioning plate is fixedly sleeved in the middle of the cutter close to the cutting edge of the cutter coaxially, a shell is fixedly attached to a position, below one side face of the main shaft rack, the shell is of a vertically arranged hollow cuboid structure, an L-shaped sliding rod is vertically arranged on one side, close to the main shaft rack, of the shell, the vertical end of the sliding rod vertically extends downwards to the lower surface of the shell, a pressure sensor is further arranged on the end face of the vertical end of the sliding rod, the horizontal end of the sliding rod vertically moves up and down in the shell through a moving assembly, and the pressure sensor is driven to vertically move downwards towards the direction of the positioning plate; and the cutter is subjected to cutter breaking detection through the contact of the pressure sensor and the positioning plate.
2. The broken cutter detection device for the numerical control machine tool according to claim 1, characterized in that: the moving assembly comprises a supporting plate, a motor, a threaded rod, a guide rail and a sliding block; a supporting plate matched with the inside of the shell is horizontally arranged at the upper position inside the shell, and the peripheral side surfaces of the supporting plate are respectively and fixedly connected with the inner side surface of the shell; a threaded rod is vertically arranged between the supporting plate and the inner bottom surface of the shell, two ends of the threaded rod are respectively rotatably connected with the supporting plate and the inner bottom surface of the shell, and one end of the threaded rod connected with the supporting plate vertically extends upwards out of the supporting plate and is in linkage connection with the output end of the motor; the motor is vertically arranged and is fixedly connected with the upper surface of the supporting plate in a threaded manner; guide rails are vertically and symmetrically arranged on the left side and the right side of the threaded rod in parallel, and two ends of each guide rail are fixedly connected with the supporting plate and the inner bottom surface of the shell in a threaded manner; the threaded rod is further sleeved with a sliding block, the sliding block is horizontally arranged between the supporting plate and the inner bottom surface of the shell, is in threaded connection with the threaded rod and is vertically and vertically connected with each guide rail in a sliding mode.
3. The broken cutter detection device for the numerical control machine tool according to claim 2, characterized in that: the horizontal end of the sliding rod is vertically and fixedly connected with one side surface of the sliding block close to the main shaft rack and vertically moves up and down along with the sliding block.
4. The broken cutter detection device for the numerical control machine tool according to claim 2, characterized in that: a limiting plate is horizontally arranged between the vertical end of the sliding block and the pressure sensor, the upper surface of the limiting plate is fixedly attached to the end face of the vertical end of the sliding block, and the lower surface of the limiting plate is fixedly connected with the fixed end of the pressure sensor; the area of the limiting plate is larger than the area of the joint of the sliding rod and the lower surface of the shell, and the vertical upward movement of the sliding rod is limited through the limiting plate.
5. The broken cutter detection device for the numerical control machine tool according to claim 1, characterized in that: the detection end of the pressure sensor is arranged towards the direction of the positioning plate and is arranged in the range covered by the positioning plate.
6. The broken cutter detection device for the numerical control machine tool according to claim 1, characterized in that: the locating plate is arranged at the rear end of the cutting edge and close to the cutting edge, and does not interfere with the action of the cutter.
7. The broken cutter detection device for the numerical control machine tool according to claim 2, characterized in that: the device also comprises a bracket and a limit switch; a bracket is vertically arranged on one side of the inner bottom surface of the shell, which is far away from the main shaft rack, and a limit switch is arranged on one side of the upper end of the bracket, which is close to the main shaft rack; the detection end of the limit switch is arranged towards the vertical moving track direction of the sliding block, and limits the vertical downward movement of the sliding block.
8. The device for detecting the broken cutter for the numerical control machine tool according to claim 7, characterized in that: the vertical distance between the sliding block and the limit switch is larger than the vertical distance between the pressure sensor and the positioning plate.
9. The broken cutter detection device for the numerical control machine tool according to claim 2, characterized in that: also comprises a plurality of reinforcing plates; and a plurality of reinforcing plates are vertically arranged on one side of the upper surface of the shell, which is close to the main shaft rack, at intervals, and each reinforcing plate is fixedly connected with the upper surface of the shell and the corresponding side surface of the main shaft rack respectively and used for reinforcing and fixing the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122623247.7U CN216421923U (en) | 2021-10-29 | 2021-10-29 | Knife-breaking detection device for numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122623247.7U CN216421923U (en) | 2021-10-29 | 2021-10-29 | Knife-breaking detection device for numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216421923U true CN216421923U (en) | 2022-05-03 |
Family
ID=81334551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122623247.7U Expired - Fee Related CN216421923U (en) | 2021-10-29 | 2021-10-29 | Knife-breaking detection device for numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216421923U (en) |
-
2021
- 2021-10-29 CN CN202122623247.7U patent/CN216421923U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220503 |