CN212420045U - Flame plasma cutting torch anti-collision device - Google Patents
Flame plasma cutting torch anti-collision device Download PDFInfo
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- CN212420045U CN212420045U CN202020772488.0U CN202020772488U CN212420045U CN 212420045 U CN212420045 U CN 212420045U CN 202020772488 U CN202020772488 U CN 202020772488U CN 212420045 U CN212420045 U CN 212420045U
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- connecting plate
- clamp holder
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Abstract
The utility model discloses a flame plasma cutting torch buffer stop, including connecting plate, proximity switch, holder, nylon cover, location axle, copper sheathing and magnet steel, connecting plate one end and the lift body coupling of numerical control cutting equipment are provided with the holder on the other end, the holder carries out the centre gripping with the cutting torch, and holder one side is provided with the proximity switch screw hole, and proximity switch installs in the proximity switch threaded hole, is provided with the nylon cover between holder and the cutting torch, in location axle embedding connecting plate, holder and location axle match, fix the holder, the cutting torch other end carries out the centre gripping through the second holder, and this holder below is provided with the copper sheathing, installs the magnet steel in the copper sheathing. At present, when workers operate the numerical control cutting machine to manually adjust the position of the cutting torch, misoperation occurs occasionally, and the cutting torch is caused to impact a workpiece or various obstacles. The existing cutting torch is usually clamped by a fixed clamp, and the clamp and the cutting torch can not be separated in time after being impacted, so that the cutting torch is damaged by impact.
Description
Technical Field
The utility model belongs to metal hot working field relates to a flame plasma cuts torch buffer stop.
Background
In the cutting process of the plasma numerical control cutting machine, the height tracking of the cutting torch adopts an arc pressure tracking mode, the arc pressure changes along with the change of the distance between the torch head of the cutting torch and a plate, the plasma cutting machine can reach the height appointed by the plate when in initial positioning in order to perform the arc pressure tracking at the appointed height, and then the plasma cutting machine starts the arc and performs the height tracking. At present, the plasma cutting machine generally adopts two modes to realize initial positioning, firstly: after the cutting torch is descended and touches the plate, the limit switch is closed, and the numerical control system enables the cutting torch to rise to the designated height according to the limit signal. Secondly, the following steps: the motor locked-rotor mode is adopted, the mechanical part cannot continuously descend after the cutting torch touches a plate, the motor is locked-rotor at the moment, and the numerical control system enables the cutting torch to rise to a specified height after detecting that the current of the motor is greatly changed. The two modes have certain defects, and in the first mode, if the limit switch has a fault, the numerical control system cannot detect a limit signal, the plasma cutting torch can be damaged by collision, and other mechanical parts can be even damaged. The second mode greatly shortens the service life of the motor, and the plasma cutting torch can be damaged due to excessive collision.
Disclosure of Invention
The utility model aims to provide a: the anti-collision device for the flame plasma cutting torch solves the problem that the existing cutting torch is clamped by a fixed clamp, and the clamp and the cutting torch cannot be separated in time after being impacted, so that the cutting torch is damaged. The part of the numerical control cutting machine adopts a cutting gun anti-collision device special for a robot, and the cost is overhigh.
The utility model adopts the technical scheme as follows:
the utility model provides a flame plasma cuts torch buffer stop which characterized in that: including connecting plate, proximity switch, holder, nylon cover, location axle, copper sheathing and magnet steel, connecting plate one end and numerical control cutting equipment's lift body coupling are provided with the holder on the other end, the holder carries out the cutting torch centre gripping, and holder one side is provided with the proximity switch screw hole, and proximity switch installs in the proximity switch screw hole, is provided with the nylon cover between holder and the cutting torch, in the embedding connecting plate of location axle, the holder matches with the location axle, fixes the holder, the cutting torch other end carries out the centre gripping through the second holder, is provided with the copper sheathing below this holder, installs the magnet steel in the copper sheathing.
At present, when workers operate the numerical control cutting machine to manually adjust the position of the cutting torch, misoperation occurs occasionally, and the cutting torch is caused to impact a workpiece or various obstacles. The existing cutting torch is usually clamped by a fixed clamp, and the clamp and the cutting torch can not be separated in time after being impacted, so that the cutting torch is damaged by impact. And part of the numerical control cutting machines adopt a cutting gun anti-collision device special for a robot, so that the cost is overhigh.
Furthermore, the connecting plate and the clamp holder are made of carbon steel. The carbon steel is selected as the material because the carbon steel is low in price and easy to smelt, the carbon steel is a good choice for reducing the cost, the carbon steel is good in processing manufacturability, can be matched with heat treatment for performance improvement, is strong in plasticity, can be manufactured with low difficulty by using the carbon steel, and saves the cost.
Furthermore, the proximity switch threaded hole is a fine thread, and the distance between the proximity switch and the cutting torch induction surface is controlled by adjusting the installation position of the proximity switch. The thread adopts fine thread, can accurate adjustment proximity switch's mounted position to control the distance between proximity switch and the response face.
Furthermore, the nylon sleeve is made of nylon, and the nylon sleeve is directly contacted with the cutting torch, so that the cutting torch and the holder are ensured to be mutually insulated. The cutting torch is in direct contact with the cutting torch, and the requirements of the cutting process of the plasma numerical control cutting machine can be met on the premise that the cutting torch and the clamp holder are mutually insulated.
Furthermore, the magnetic steel is embedded into the connecting plate, and three pieces of magnetic steel are arranged in the inner circumferential direction of the connecting plate. The magnet provides an attractive force to attract the connecting plate and the holder together.
Further, the inductive distance of the proximity switch is 0.25 mm.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. a flame plasma cutting torch collision-proof device, relative to the fixed clamping device, the collision-proof device can be released in time at the moment of collision, effectively prevents the cutting torch from being damaged, and can transmit a releasing signal to a numerical control system;
2. compared with a robot collision-prevention device, the flame plasma torch cutting collision-prevention device is simple and compact in structure, installation space is saved, manufacturing difficulty is low, and cost is saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort, wherein:
FIG. 1 is a front view of a flame plasma torch collision prevention device;
FIG. 2 is a top view of a flame plasma torch collision avoidance device;
the labels in the figure are: the device comprises a connecting plate 1, a proximity switch 2, a clamp 3, a nylon sleeve 4, a positioning shaft 5, a copper sleeve 6 and magnetic steel 7.
Detailed Description
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. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The utility model provides a flame plasma cuts torch buffer stop which characterized in that: including connecting plate 1, proximity switch 2, holder 3, nylon cover 4, location axle 5, copper sheathing 6 and magnet steel 7, 1 one end of connecting plate and the lift body coupling of numerical control cutting equipment are provided with holder 3 on the other end, holder 3 carries out the centre gripping with the cutting torch, and 3 one side of holder is provided with the proximity switch screw hole, and proximity switch 2 installs in the proximity switch screw hole, is provided with nylon cover 4 between holder 3 and the cutting torch, location axle 5 imbeds in the connecting plate 1, and holder 3 matches with location axle 5, fixes holder 3, the cutting torch other end carries out the centre gripping through the second holder, and this holder below is provided with copper sheathing 6, installs magnet steel 7 in the copper sheathing 6.
This proposal provides a plain type cutting torch anticollision institution, can solve following technical problem: 1. after the impact is generated due to the misoperation of an operator, the cutting torch can be timely released from the holder; 2. the cutting torch and the holder are separated to generate a switching signal, and a numerical control system of the cutting machine immediately stops the action of the cutting torch after receiving the switching signal to protect equipment from being damaged; 3. the cutting torch and the clamp holder can automatically reset after being separated for a short time.
In order to solve the problems, according to the technical scheme adopted by the application document, in a normal state, the connecting plate and the clamp holder are connected into a whole under the attraction effect of the magnetic steel, the proximity switch senses the induction surface of the connecting plate, and the switch signal is 'on'; when collision happens, the connecting plate and the clamp are separated, the cutting torch is protected from being impacted, meanwhile, the switch signal is off, the equipment is immediately and suddenly stopped, and all actions are stopped. Because the proximity switch reacts sensitively, the apparatus has already been shut down when cutting torch and holder are not totally disengaged, when the cutting torch leaves and collides the object, the holder can reset automatically under the attractive force of the magnetic steel again. Compared with a fixed clamping device, the anti-collision device can be timely disengaged in the moment of collision, effectively prevents the cutting torch from being damaged, and can transmit a disengagement signal to a numerical control system.
The features and properties of the present invention will be described in further detail with reference to the following examples.
Example one
The utility model discloses preferred embodiment provides a flame plasma cuts torch buffer stop, the material of connecting plate 1, holder 3 is the carbon steel. The carbon steel is selected as the material because the carbon steel is low in price and easy to smelt, the carbon steel is a good choice for reducing the cost, the carbon steel is good in processing manufacturability, can be matched with heat treatment for performance improvement, is strong in plasticity, can be manufactured with low difficulty by using the carbon steel, and saves the cost.
The proximity switch threaded hole is a fine thread, and the distance between the proximity switch and the cutting torch induction surface is controlled by adjusting the installation position of the proximity switch. The thread adopts fine thread, can accurate adjustment proximity switch's mounted position to control the distance between proximity switch and the response face.
The nylon sleeve 4 is made of nylon, and the nylon sleeve 4 is directly contacted with the cutting torch to ensure that the cutting torch and the clamp holder 3 are mutually insulated. The cutting torch is in direct contact with the cutting torch, and the requirements of the cutting process of the plasma numerical control cutting machine can be met on the premise that the cutting torch and the clamp holder are mutually insulated.
The magnetic steel 7 is embedded into the connecting plate 1, and three magnetic steels 7 are arranged on the inner circumference of the connecting plate 1. The magnet provides an attractive force to attract the connecting plate 1 and the holder 3 together. The induction distance of the proximity switch 2 is 0.25 mm.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents and improvements made by those skilled in the art within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a flame plasma cuts torch buffer stop which characterized in that: comprises a connecting plate (1), a proximity switch (2), a clamp holder (3), a nylon sleeve (4), a positioning shaft (5), a copper sleeve (6) and magnetic steel (7), one end of the connecting plate (1) is connected with a lifting body of the numerical control cutting equipment, the other end is provided with a clamp holder (3), the cutting torch is clamped by the clamp holder (3), a proximity switch threaded hole is formed in one side of the clamp holder (3), the proximity switch (2) is installed in the proximity switch threaded hole, a nylon sleeve (4) is arranged between the clamp holder (3) and the cutting torch, the positioning shaft (5) is embedded into the connecting plate (1), the clamp holder (3) is matched with the positioning shaft (5) to fix the clamp holder (3), the other end of the cutting torch is clamped by a second clamp holder, a copper sleeve (6) is arranged below the clamp holder, and magnetic steel (7) is arranged in the copper sleeve (6).
2. A flame plasma torch collision avoidance device, as claimed in claim 1, wherein: the connecting plate (1) and the clamp holder (3) are made of carbon steel.
3. A flame plasma torch collision avoidance device, as claimed in claim 1, wherein: the proximity switch threaded hole is a fine thread, and the distance between the proximity switch and the cutting torch induction surface is controlled by adjusting the installation position of the proximity switch.
4. A flame plasma torch collision avoidance device, as claimed in claim 1, wherein: the nylon sleeve (4) is made of nylon, and the nylon sleeve (4) is directly contacted with the cutting torch to ensure that the cutting torch and the clamp holder (3) are mutually insulated.
5. A flame plasma torch collision avoidance device, as claimed in claim 1, wherein: the magnetic steel (7) is embedded into the connecting plate (1), three pieces of the magnetic steel (7) are arranged in the inner circumferential direction of the connecting plate (1), and the magnets provide attraction force to attract the connecting plate (1) and the clamp holder (3) together.
6. A flame plasma torch collision avoidance device, as claimed in claim 1, wherein: the induction distance of the proximity switch (2) is 0.25 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020772488.0U CN212420045U (en) | 2020-05-12 | 2020-05-12 | Flame plasma cutting torch anti-collision device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020772488.0U CN212420045U (en) | 2020-05-12 | 2020-05-12 | Flame plasma cutting torch anti-collision device |
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| CN212420045U true CN212420045U (en) | 2021-01-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112808784A (en) * | 2021-02-05 | 2021-05-18 | 机械科学研究总院海西（福建）分院有限公司 | Anti-collision method for cutting gun of steel rolling cold bed |
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2020
- 2020-05-12 CN CN202020772488.0U patent/CN212420045U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112808784A (en) * | 2021-02-05 | 2021-05-18 | 机械科学研究总院海西（福建）分院有限公司 | Anti-collision method for cutting gun of steel rolling cold bed |
| CN112808784B (en) * | 2021-02-05 | 2022-05-27 | 机械科学研究总院海西（福建）分院有限公司 | Anti-collision method for cutting gun of steel rolling cold bed |
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