Laser head sensor with nozzle temperature detection function and laser head

Abstract

The utility model provides a laser head sensor with a nozzle temperature detection function and a laser head, and the laser head sensor with the nozzle temperature detection function comprises a sensor main body, a contact type temperature sensor, a heat conduction member, a ceramic body, a fixing member and a nozzle, the lower end of the ceramic body is provided with a lower heat-conducting mounting seat, the nozzle is fixedly arranged on the lower heat-conducting mounting seat, the ceramic body is provided with a heat-conducting channel, and the lower end of the heat-conducting piece is arranged on the heat-conducting mounting seat. The laser head sensor has the advantages that the problems that an existing laser head sensor does not have a temperature detection function, the temperature of a nozzle is too high in the machining process, and the nozzle is burnt out can be solved, by means of the product structure, the contact type temperature sensor can monitor the temperature of the nozzle in real time, when the temperature is too high, alarming and shutdown are conducted, and the nozzle is prevented from being damaged; and the service life of the nozzle is prolonged, unnecessary machining cost is avoided, and the use experience of a user and the competitiveness of an enterprise are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser cutting device technical field, concretely relates to a laser head sensor and laser head containing nozzle temperature detection. BACKGROUND

[0002] With the development of social technology, the manufacturing industry in our country is facing the transformation of high-end and intelligentization. As the basic processing laser technology is also rising in the penetration rate of various links of industrial production, laser cutting is a kind of cutting processing technology that uses high-power density fiber laser beam to irradiate the cutting material, so that the irradiated part of the material vaporizes to form fine holes, and the holes are continuously formed with the movement of the fiber laser beam to complete the cutting of the material.

[0003] The laser head sensor is provided with an inductive capacitor during the laser head processing process, which is used for detecting the distance between the inductive laser head and the plate. Since the inductive capacitor is close to the plate, the nozzle will generate a certain amount of heat during laser cutting. Since there is no temperature detection function, it is easy to cause the temperature to exceed the maximum bearing range of the laser head, which may cause the nozzle to be burned out, increase unnecessary processing cost, and cannot meet the use requirement of the user, and is not conducive to improving the competitiveness of enterprises. UTILITY MODEL CONTENT

[0004] In order to solve the problems in the prior art, the utility model provides a laser head sensor and laser head containing nozzle temperature detection, which solves the problem that the existing laser head sensor does not have temperature detection function, and the nozzle temperature is too high during the processing process, which causes the nozzle to be burned out.

[0005] The utility model relates to a kind of laser head sensors containing nozzle temperature detection, including sensor main body, contact temperature sensor, heat conduction piece, ceramic body, fixing piece and nozzle, ceramic body can be fixed on sensor main body by fixing piece, sensor main body is provided with the sensor installation site matched with contact temperature sensor, ceramic body lower end is provided with lower heat conduction mounting seat, nozzle is fixedly arranged on lower heat conduction mounting seat, ceramic body is provided with the heat conduction channel matched with heat conduction piece, heat conduction piece lower end is set on lower heat conduction mounting seat by heat conduction channel, contact temperature sensor can obtain the temperature of nozzle by heat conduction piece.

[0006] The utility model is further improved, and further include compression spring, compression spring is set above contact temperature sensor, and the both ends of compression spring are respectively limited by sensor installation site inner wall and contact temperature sensor upper end.

[0007] The utility model disc further improve, and the lower heat installation base upper end surface is provided with the positioning groove that cooperates with the heat conduction spare lower end, and the heat conduction spare lower end sets in the positioning groove.

[0008] The utility model disc further improve, and the lower heat installation base upper end surface is provided with the positioning groove that cooperate with the heat conduction spare lower end, and the heat conduction spare lower end sets in the positioning groove.

[0009] The utility model disc further improve, still include the sealing ring, and the lower heat installation base is stainless steel installation base, and the ceramic body is provided with the installation passageway, and the installation passageway upper end side is provided with the sealing installation groove that cooperates with the sealing ring, and the stainless steel installation base is provided with the connecting barrel that cooperates with the installation passageway, and the connecting barrel sets in the installation passageway, and the sealing ring is set up on the connecting barrel upper end, and the sealing ring can improve the sealing property between installation passageway and connecting barrel.

[0010] The utility model disc further improve, and the stainless steel installation base is provided with the laser passageway, and the laser passageway lower end is provided with the connecting groove, and the nozzle upper end is provided with the connecting ring that cooperates with the connecting groove, and the connecting ring is installed in the connecting groove, and the nozzle is provided with the laser hole that cooperates with the laser passageway.

[0011] The utility model disc further improve, and the heat conduction spare is the heat conduction copper column.

[0012] A kind of laser head, including laser head main body and the laser head sensor of any one of above containing nozzle temperature detection, and the laser head sensor containing nozzle temperature detection is fixedly arranged in laser head main body lower end.

[0013] Compared with the prior art, the utility model has the advantages that: the utility model provides a kind of laser head sensor containing nozzle temperature detection, using its structure, can effectively solve the problem that existing laser head sensor does not have temperature detection function, nozzle temperature is too large in the processing process, resulting in the problem of burning nozzle, by using the product structure, heat conduction piece can conduct the heat on nozzle to contact type temperature sensor, so that contact type temperature sensor can monitor the temperature of nozzle in real time, cooperate with the controller in laser head main body, judge whether in normal processing temperature range, when temperature is too high, alarm and stop, prevent the damage of nozzle, prolong the service life of nozzle, avoid unnecessary processing cost, improve the use experience of user and the competitiveness of enterprise. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the scheme of the utility model or the prior art, the following will be a brief introduction to the drawings needed to be used in the embodiment or the prior art description, obviously, the following description of the drawings is some embodiments of the utility model, for those skilled in the art, without creative labor, other drawings can also be obtained according to these drawings.

[0015] Figure 1 It is the schematic diagram of the whole structure of laser head;

[0016] Figure 2 It is the schematic diagram of the whole structure of laser head sensor containing nozzle temperature detection;

[0017] Figure 3 It is Figure 2 It is the A-A direction section view in the middle;

[0018] Figure 4 It is the schematic diagram of the exploded structure of laser head sensor containing nozzle temperature detection. DETAILED DESCRIPTION

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terms used in the specification of the utility model are only for the purpose of describing specific embodiments and are not intended to limit the utility model; the specification, claims and above-mentioned drawing description of the utility model and the terms "include" and "have" and any modification thereof are intended to cover non-exclusive inclusion. The specification and claims of the utility model or the above-mentioned drawings of the term "first", "second" and the like are used to distinguish different objects, not to describe a specific order.

[0020] In the utility model, "embodiment" means that the specific features, structures or characteristics described in conjunction with the embodiment can be included in at least one embodiment of the utility model. The phrase appears at various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment to other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described in the utility model can be combined with other embodiments.

[0021] In order to make those skilled in the art better understand the scheme of the utility model, the technical scheme in the embodiment of the utility model will be described clearly and completely in conjunction with the drawings.

[0022] As Figures 1-4 The utility model discloses a laser head, including laser head main body 1 and containing laser head sensor 2 of nozzle temperature detection, containing laser head sensor 2 of nozzle temperature detection is fixedly arranged at the lower end of laser head main body 1.

[0023] The laser head sensor 2 with nozzle temperature detection includes a sensor body 21, a contact temperature sensor 22, a heat-conducting element 23, a ceramic body 24, a fixing element 25, and a nozzle 26. The ceramic body 24 can be fixed to the sensor body 21 by the fixing element 25. The sensor body 21 is provided with a sensor mounting position 211 that cooperates with the contact temperature sensor 22. A lower heat-conducting mounting base 27 is provided at the lower end of the ceramic body 24. The nozzle 26 is fixedly mounted on the lower heat-conducting mounting base 27. A heat-conducting channel that cooperates with the heat-conducting element 23 is provided on the ceramic body 24. The lower end of the heat-conducting element 23 passes through the heat-conducting channel and is mounted on the lower heat-conducting mounting base 27. The contact temperature sensor 22 can obtain the temperature of the nozzle 26 through the heat-conducting element 23.

[0024] By setting up the heat-conducting component 23, which passes through the ceramic body 24 and contacts the lower heat-conducting mounting base 27, the heat on the nozzle 26 can be conducted to the contact temperature sensor 22. This allows the contact temperature sensor 22 to monitor the temperature of the nozzle 26 in real time. In conjunction with the controller in the laser head body 1, it can determine whether the temperature is within the normal processing range. When the temperature is too high, it will trigger an alarm and shut down the machine to prevent damage to the nozzle 26, extend the service life of the nozzle 26, avoid unnecessary processing costs, improve the user experience, and enhance the company's competitiveness.

[0025] Furthermore, since the sensing capacitor is used to detect the distance between the laser head and the material, the material also generates a lot of heat during processing. This heat can affect the operation of the sensing capacitor to some extent, causing instability and leading to misjudgments by the laser head, causing it to move away from or closer to the material. This results in the laser head's distance from the material not being consistent with the specified processing distance, affecting the quality of the material processing. By acquiring temperature information through the contact temperature sensor 22 and combining it with the signal from the sensing capacitor, the laser head can calculate and treat this signal as a misjudgment, correcting the action to ensure that the distance between the laser head and the material remains constant.

[0026] The laser head sensor 2 with nozzle temperature detection also includes a compression spring 28 disposed above the contact temperature sensor 22, and the two ends of the compression spring 28 are limited by the inner wall of the sensor mounting position 211 and the upper end of the contact temperature sensor 22, respectively.

[0027] By using the compression spring 28, the contact temperature sensor 22 can fit more tightly with the heat-conducting component 23, thereby improving the accuracy of temperature recognition.

[0028] The fixing component 25 is a rotating pressure ring 251. A fixing plate 252 is provided on the inner wall of the lower end of the rotating pressure ring 251. A fixing step 241 that cooperates with the rotating pressure ring 251 is provided on the outer periphery of the upper end of the ceramic body 24. The fixing plate 252 can cooperate with the fixing step 241 to fix the ceramic body 24 to the lower end of the sensor body 21. The inner wall of the rotating pressure ring 251 is provided with an internal thread. The sensor body 21 is provided with an external thread that cooperates with the internal thread. The rotating pressure ring 251 is threadedly connected to the sensor body 21.

[0029] By rotating the pressure ring 251, the ceramic body 24 is installed upwards and fixed to the lower end of the sensor body 21.

[0030] The upper surface of the lower heat-conducting mounting base 27 is provided with a positioning groove 271 that mates with the lower end of the heat-conducting component 23, and the lower end of the heat-conducting component 23 is positioned in the positioning groove 271.

[0031] The positioning groove 271 effectively improves the installation accuracy of the heat-conducting component 23 and ensures the accuracy of temperature conduction.

[0032] The laser head sensor 2 with nozzle temperature detection also includes a sealing ring 29. The lower heat-conducting mounting base 27 is a stainless steel mounting base. The ceramic body 24 is provided with a mounting channel. The upper side of the mounting channel is provided with a sealing mounting groove that mates with the sealing ring 29. The stainless steel mounting base is provided with a connecting cylinder 272 that mates with the mounting channel. The connecting cylinder 272 is placed in the mounting channel, and the sealing ring 29 is sleeved on the upper end of the connecting cylinder 272. The sealing ring 29 can improve the sealing performance between the installation pipe and the connecting cylinder 272.

[0033] The stainless steel mounting base is provided with a laser channel, the lower end of the laser channel is provided with a connecting groove, the upper end of the nozzle 26 is provided with a connecting ring that mates with the connecting groove, the connecting ring is installed in the connecting groove, and the nozzle 26 is provided with a laser hole that mates with the laser channel.

[0034] The heat-conducting component 23 is a heat-conducting copper pillar. By setting the heat-conducting copper pillar, the temperature of the nozzle 26 can be efficiently conducted.

[0035] As can be seen from the above, the beneficial effects of this utility model are: by adopting its mechanism, it can effectively solve the problem that the existing laser head sensor does not have a temperature detection function, and the nozzle 26 is overheated during the processing, resulting in the nozzle 26 being burned out. By using this product structure, the heat-conducting component 23 can conduct the heat on the nozzle 26 to the contact temperature sensor 22, so that the contact temperature sensor 22 can monitor the temperature of the nozzle 26 in real time. In conjunction with the controller in the laser head body 1, it can determine whether it is within the normal processing temperature range. When the temperature is too high, it will alarm and stop the machine to prevent damage to the nozzle 26, extend the service life of the nozzle 26, avoid unnecessary processing costs, improve the user experience and the enterprise's competitiveness.

[0036] The specific embodiments described above are preferred embodiments of this utility model, and are not intended to limit the specific scope of this utility model. The scope of this utility model includes but is not limited to the specific embodiments described above. All equivalent changes made in accordance with this utility model are within the protection scope of this utility model.

Claims

1. A laser head sensor with nozzle temperature detection, characterized in that: The device includes a sensor body, a contact temperature sensor, a heat-conducting component, a ceramic body, a fixing component, and a nozzle. The ceramic body can be fixed to the sensor body by the fixing component. The sensor body has a sensor mounting position that cooperates with the contact temperature sensor. A lower heat-conducting mounting base is provided at the lower end of the ceramic body. The nozzle is fixedly mounted on the lower heat-conducting mounting base. A heat-conducting channel that cooperates with the heat-conducting component is provided on the ceramic body. The lower end of the heat-conducting component passes through the heat-conducting channel and is mounted on the lower heat-conducting mounting base. The contact temperature sensor can obtain the temperature of the nozzle through the heat-conducting component.

2. The laser head sensor with nozzle temperature detection according to claim 1, characterized in that: It also includes a compression spring, which is disposed above the contact temperature sensor, and the two ends of the compression spring are respectively limited by the inner wall of the sensor mounting position and the upper end of the contact temperature sensor.

3. The laser head sensor with nozzle temperature detection according to claim 2, characterized in that: The fixing component is a rotating pressure ring. A fixing plate is provided on the inner wall of the lower end of the rotating pressure ring. A fixing step that cooperates with the rotating pressure ring is provided on the outer periphery of the upper end of the ceramic body. The fixing plate can cooperate with the fixing step to fix the ceramic body to the lower end of the sensor body. An internal thread is provided on the inner wall of the rotating pressure ring. An external thread that cooperates with the internal thread is provided on the sensor body. The rotating pressure ring is threadedly connected to the sensor body.

4. The laser head sensor with nozzle temperature detection according to claim 1, characterized in that: The upper surface of the lower heat-conducting mounting base is provided with a positioning groove that mates with the lower end of the heat-conducting component, and the lower end of the heat-conducting component is disposed in the positioning groove.

5. The laser head sensor with nozzle temperature detection according to claim 4, characterized in that: It also includes a sealing ring. The lower heat-conducting mounting base is a stainless steel mounting base. The ceramic body is provided with a mounting channel. The upper side of the mounting channel is provided with a sealing mounting groove that mates with the sealing ring. The stainless steel mounting base is provided with a connecting cylinder that mates with the mounting channel. The connecting cylinder is disposed in the mounting channel, and the sealing ring is sleeved on the upper end of the connecting cylinder. The sealing ring can improve the sealing performance between the mounting channel and the connecting cylinder.

6. The laser head sensor with nozzle temperature detection according to claim 5, characterized in that: The stainless steel mounting base is provided with a laser channel, the lower end of the laser channel is provided with a connecting groove, the upper end of the nozzle is provided with a connecting ring that mates with the connecting groove, the connecting ring is installed in the connecting groove, and the nozzle is provided with a laser hole that mates with the laser channel.

7. The laser head sensor with nozzle temperature detection according to claim 1, characterized in that: The heat-conducting component is a heat-conducting copper pillar.

8. A laser head, characterized in that: It includes a laser head body and a laser head sensor with nozzle temperature detection as described in any of the above-mentioned embodiments, wherein the laser head sensor with nozzle temperature detection is fixedly disposed at the lower end of the laser head body.

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