Protective equipment for laser cladding spray head

Abstract

The utility model discloses protective equipment for a laser cladding spray head, which belongs to the technical field of laser cladding and comprises the laser cladding spray head, a fixing ring is fixed outside the laser cladding spray head through a connecting component, a rotating ring is rotatably connected outside the fixing ring, a protective cover is fixedly connected to the bottom of the rotating ring, and a cleaning mechanism is arranged in the protective cover. The cleaning mechanism comprises a connecting rod fixedly connected to the fixing ring, the other end of the connecting rod is fixedly connected with a scraping plate, and the scraping plate abuts against the protective cover. The device has the beneficial effects that the cleaning mechanism is arranged, the cleaning mechanism comprises a scraping plate, in the process that the power assembly drives the protective cover to rotate, the scraping plate scrapes off chippings attached to the inner wall of the protective cover, and cleaning is convenient; the scraping plate is in a spiral shape and provides downward force for scraped chippings, so that the chippings can fall off conveniently; and the knocking assembly is arranged, the protective cover outside the scraping plate is knocked through the knocking assembly, the scraping plate generates certain vibration, and the situation that the cleaning effect is affected due to the fact that chippings are accumulated on the scraping plate is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of laser cladding, in particular to protective equipment for a laser cladding nozzle. Background Art

[0002] Laser cladding, also known as laser melting or laser cladding, is a new surface modification technology. It forms a metallurgically bonded cladding layer on the surface of the base by adding cladding material to the surface of the substrate and using a high-energy-density laser beam to melt it together with a thin layer on the surface of the substrate. The safety shield can shield the laser cladding nozzle to prevent the high-energy laser beam from contacting the surface of the substrate and causing high-temperature molten debris to splash.

[0003] After searching, the Chinese patent announcement number is CN218321644U, which discloses a protective device for laser cladding. The protective device for laser cladding fixes the protective cover to the bottom of the mounting tube through the use of an annular block and an annular groove. The mounting tube and the protective cover can be quickly fixed to the outside of the laser cladding nozzle through the mounting mechanism. The protective cover protects the splashing debris during the laser cladding process, which is easy to operate. The protective device for laser cladding has a reasonable structure, simple assembly, and is easy to disassemble and maintain, thereby improving the product quality of laser cladding processing.

[0004] However, it is inconvenient to clean the debris after it adheres to the protective cover. Utility Model Content

[0005] The purpose of the utility model is to provide a protective device for a laser cladding nozzle in order to solve the above-mentioned problem.

[0006] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0007] A protective device for a laser cladding nozzle comprises a laser cladding nozzle, wherein a fixed ring is fixed to the outside of the laser cladding nozzle via a connecting assembly, a swivel is rotatably connected to the outside of the fixed ring, a protective cover is fixedly connected to the bottom of the swivel, a cleaning mechanism is arranged inside the protective cover, the cleaning mechanism comprises a connecting rod fixedly connected to the fixed ring, a scraper is fixedly connected to the other end of the connecting rod, the scraper abuts against the protective cover, a power assembly is arranged on the outside of the fixed ring, and the power assembly is used to drive the protective cover to rotate.

[0008] Preferably, the scraper is arranged in a spiral shape.

[0009] Preferably, the power assembly includes a gear ring fixedly connected to the outside of the rotating ring, a mounting frame fixedly connected to the fixed ring, a rotating motor fixedly connected to the mounting frame, an output end of the rotating motor is connected to a rotating shaft via a coupling, a gear is fixedly connected to the rotating shaft, the gear is meshed with the gear ring, a knocking assembly is provided on the rotating shaft, and the knocking assembly is used to knock on the protective cover outside the scraper.

[0010] Preferably, the striking assembly comprises an elastic rope fixedly connected to the rotating shaft, and a striking hammer is fixedly connected to the end of the elastic rope.

[0011] Preferably, the connecting assembly includes a connecting plate fixedly connected to the outer wall of the fixing ring, a sliding rod slidably connected in the connecting plate, a driving block fixedly connected to the end of the sliding rod close to the laser cladding nozzle, a mounting shell corresponding to the connecting plate fixedly connected to the outer wall of the laser cladding nozzle, an insertion rod slidably connected in the top wall of the mounting shell, a limiting block fixedly connected to the top of the insertion rod, the limiting block is located above the mounting shell, a spring is connected between the limiting block and the mounting shell, the spring is wound around the outer periphery of the insertion rod, and a socket is opened on the top of the sliding rod.

[0012] Preferably, a plurality of connection components are circumferentially arranged between the laser cladding nozzle and the fixing ring.

[0013] The beneficial effects are: a cleaning mechanism is provided, the cleaning mechanism includes a scraper, and when the protective cover is driven to rotate by a power component, the scraper is used to scrape off debris adhered to the inner wall of the protective cover, so as to facilitate cleaning; the scraper is spiral-shaped, which provides a downward force for the scraped debris, so as to facilitate the debris to fall off; a knocking component is provided, and the knocking component is used to knock the protective cover outside the scraper, so that the scraper produces a certain vibration, thereby preventing debris from accumulating on the scraper and affecting the cleaning effect.

[0014] The additional technical features and advantages of the present invention will be more clearly explained in the following description, or can be understood through the specific practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation to the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of a protective device for a laser cladding nozzle according to the utility model;

[0017] Figure 2 It is a front view of a protective device for a laser cladding nozzle according to the utility model;

[0018] Figure 3 It is a front view of the internal structure of a protective device for a laser cladding nozzle according to the utility model;

[0019] Figure 4 This is an enlarged view of point A of a protective device for a laser cladding nozzle described in the utility model;

[0020] Figure 5It is a top view of a protective device for a laser cladding nozzle according to the utility model;

[0021] Figure 6 It is a schematic diagram of the internal structure of a protective cover of a protective device for a laser cladding nozzle described in the utility model.

[0022] The description of the accompanying drawings is as follows: 1. laser cladding nozzle; 2. fixed ring; 3. swivel; 4. protective cover; 501. connecting rod; 502. scraper; 601. gear ring; 602. mounting frame; 603. rotating motor; 604. rotating shaft; 605. gear; 701. elastic rope; 702. knock hammer; 801. connecting plate; 802. sliding rod; 803. driving block; 804. mounting shell; 805. plug rod; 806. limit block; 807. spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] The utility model is further described below in conjunction with the accompanying drawings:

[0026] like Figure 1-Figure 6As shown, a protective device for a laser cladding nozzle comprises a laser cladding nozzle 1, wherein a fixing ring 2 is fixed to the outside of the laser cladding nozzle 1 through a connecting assembly, wherein the connecting assembly comprises a connecting plate 801 bolted to the outer wall of the fixing ring 2, wherein the connecting plate 801 is L-shaped, wherein a sliding rod 802 is slidably connected to the connecting plate 801, wherein one end of the sliding rod 802 close to the laser cladding nozzle 1 is fixedly connected to a driving block 803, wherein the end face of the driving block 803 close to the side of the laser cladding nozzle 1 is an inclined surface, and the outer wall of the laser cladding nozzle 1 is bolted to the connecting rod 803. The plate 801 corresponds to the mounting shell 804, and a plug rod 805 is slidably connected to the top wall of the mounting shell 804. The top of the plug rod 805 is fixedly connected to a limit block 806. The limit block 806 is located above the mounting shell 804. A spring 807 is connected between the limit block 806 and the mounting shell 804. The spring 807 is wound around the outer circumference of the plug rod 805. A socket is provided on the top of the sliding rod 802, and the plug rod 805 is inserted into the socket to fix the fixing ring 2. A plurality of connecting components are circumferentially arranged between the laser cladding nozzle 1 and the fixing ring 2.

[0027] The outside of the fixed ring 2 is rotatably connected to a swivel ring 3, and the bottom of the swivel ring 3 is fixedly connected to a trumpet-shaped protective cover 4. A cleaning mechanism is arranged inside the protective cover 4, and the cleaning mechanism includes a connecting rod 501 fixedly connected to the fixed ring 2, and the other end of the connecting rod 501 is fixedly connected to a scraper 502. The scraper 502 is arranged in a spiral shape to provide a downward force for the scraped debris to facilitate the debris to fall off, and the scraper 502 abuts against the protective cover 4.

[0028] A power assembly is arranged outside the fixed ring 2, and the power assembly is used to drive the protective cover 4 to rotate. The power assembly includes a gear ring 601 fixedly connected to the outside of the rotating ring 3, a mounting frame 602 is bolted to the fixed ring 2, a rotating motor 603 is bolted to the mounting frame 602, an output end of the rotating motor 603 is connected to a rotating shaft 604 through a coupling, a gear 605 is fixedly connected to the rotating shaft 604, the gear 605 is meshed with the gear ring 601, the rotating motor 603 is started, the rotating motor 603 drives the rotating shaft 604 to rotate, the rotating shaft 604 drives the gear 605 to rotate, the gear 605 is meshed with the gear ring 601, thereby driving the gear ring 601 to drive the rotating ring 3 to rotate, and the rotating ring 3 drives the protective cover 4 to rotate.

[0029] A knocking assembly is provided on the rotating shaft 604, and the knocking assembly is used to knock on the protective cover 4 outside the scraper 502. The knocking assembly includes an elastic rope 701 fixedly connected to the rotating shaft 604, and a knocking hammer 702 is fixedly connected to the end of the elastic rope 701. When the rotating shaft 604 rotates, the elastic rope 701 drives the knocking hammer 702 to rotate. The knocking hammer 702 knocks on the protective cover 4 outside the scraper 502, so that the scraper 502 produces a certain vibration to prevent debris from accumulating on the scraper 502.

[0030] Working principle: When in use, move the fixing ring 2 from the bottom of the laser cladding nozzle 1 to the height of the mounting shell 804, push the slide bar 802 into the mounting shell 804, and when the driving block 803 contacts the insertion rod 805, the insertion rod 805 slides upward under the pressure of the driving block 803. When the insertion rod 805 loses the restriction of the driving block 803, the insertion rod 805 moves downward quickly under the action of the elastic force of the spring 807 and passes through the jack on the slide bar 802, thereby fixing the fixing ring 2. When the fixing ring 2 needs to be removed, pull up the insertion rod 805, and then pull out the slide bar 802. During use, start the rotating motor 603, and the rotating motor 603 drives the rotating shaft 6 04 rotates, the rotating shaft 604 drives the gear 605 to rotate, the gear 605 meshes with the gear ring 601, thereby driving the gear ring 601 to drive the rotating ring 3 to rotate, and the rotating ring 3 drives the protective cover 4 to rotate. During the rotation of the protective cover 4, the scraper 502 is used to scrape off the debris adhering to the inner wall of the protective cover 4, which is convenient for cleaning. The scraper 502 is spiral, which provides a downward force for the scraped debris to facilitate the debris to fall. When the rotating shaft 604 rotates, it will drive the elastic rope 701 to drive the knocking hammer 702 to rotate, and the knocking hammer 702 is used to knock the protective cover 4 outside the scraper 502, so that the scraper 502 produces a certain vibration to prevent debris from accumulating on the scraper 502 and affecting the cleaning effect.

[0031] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A protective device for a laser cladding nozzle, comprising a laser cladding nozzle (1), wherein a fixing ring (2) is fixed to the outside of the laser cladding nozzle (1) via a connecting assembly, a rotating ring (3) is rotatably connected to the outside of the fixing ring (2), and a protective cover (4) is fixedly connected to the bottom of the rotating ring (3), characterized in that: A cleaning mechanism is arranged inside the protective cover (4), the cleaning mechanism comprising a connecting rod (501) fixedly connected to the fixing ring (2), the other end of the connecting rod (501) being fixedly connected to a scraper (502), the scraper (502) being in contact with the protective cover (4), and a power assembly is arranged outside the fixing ring (2), the power assembly being used to drive the protective cover (4) to rotate.

2. The protective device for a laser cladding nozzle according to claim 1, characterized in that: The scraper (502) is arranged in a spiral shape.

3. The protective device for a laser cladding nozzle according to claim 1, characterized in that: The power assembly comprises a gear ring (601) fixedly connected to the outside of the rotating ring (3); a mounting frame (602) fixedly connected to the fixed ring (2); a rotating motor (603) fixedly connected to the mounting frame (602); an output end of the rotating motor (603) connected to a rotating shaft (604) via a coupling; a gear (605) fixedly connected to the rotating shaft (604); the gear (605) meshing with the gear ring (601); a knocking assembly is provided on the rotating shaft (604); the knocking assembly is used to knock the protective cover (4) outside the scraper (502).

4. The protective device for a laser cladding nozzle according to claim 3, characterized in that: The knocking assembly comprises an elastic rope (701) fixedly connected to the rotating shaft (604), and a knocking hammer (702) is fixedly connected to the end of the elastic rope (701).

5. The protective device for a laser cladding nozzle according to claim 1, characterized in that: The connection assembly comprises a connection plate (801) fixedly connected to the outer wall of the fixing ring (2), a sliding rod (802) slidably connected inside the connection plate (801), a driving block (803) fixedly connected to one end of the sliding rod (802) close to the laser cladding nozzle (1), a mounting shell (804) corresponding to the connection plate (801) fixedly connected to the outer wall of the laser cladding nozzle (1), an insertion rod (805) slidably connected inside the top wall of the mounting shell (804), a limit block (806) fixedly connected to the top of the insertion rod (805), the limit block (806) being located above the mounting shell (804), a spring (807) being connected between the limit block (806) and the mounting shell (804), the spring (807) being wound around the outer periphery of the insertion rod (805), and a socket being provided at the top of the sliding rod (802).

6. The protective device for a laser cladding nozzle according to claim 1, characterized in that: A plurality of groups of the connection components are circumferentially arranged between the laser cladding nozzle (1) and the fixing ring (2).

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