Protective equipment for plasma cutting of building materials

By designing adjustable protective components, the problem of insufficient protection caused by the fixed height of the dust hood of the plasma cutter was solved, achieving efficient dust removal for objects of different thicknesses.

CN223629750UActive Publication Date: 2025-12-05GUANGDONG HONGYUE CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202423198927.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-12-05
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

The existing protective devices of plasma cutting machines cannot adjust the height of the dust hood, which means that when cutting objects of different thicknesses, the smoke and cutting debris cannot be effectively absorbed, affecting the protective effect.

Method used

A protective device was designed, comprising a protective assembly consisting of a positioning plate, a mounting box, an adjusting shaft, gears, a ratchet, and a pawl. Through the cooperation of the gears and ratchet, the height of the protective cylinder and the smoke hood can be adjusted to ensure that the lower end of the smoke hood is close to the surface of the object being cut, thereby improving the dust removal and protection effect.

Benefits of technology

The height of the protective cylinder and fume hood is adjustable, effectively absorbing flying debris and smoke during cutting and improving the dust collection effect of the protective device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses protective equipment for plasma cutting of building materials, which relates to the technical field of buildings and comprises a cutting table, an X-direction cross beam is movably mounted on the cutting table, a Y-direction sliding table is movably mounted on the X-direction cross beam, a plasma emission component is arranged on one side of the Y-direction sliding table and comprises a Z-direction sliding block and a plasma emitter, and the Z-direction sliding block is movably mounted on the Y-direction sliding table. A Z-direction sliding block is movably installed on the air cylinder assembly on one side of the Y-direction sliding table, a fixing base A and a fixing base B are fixedly installed on one side of the Z-direction sliding block, and a plasma emitter is fixedly installed between the fixing base A and the fixing base B. A protection assembly is arranged on the outer side of a fixing base B provided with a plasma emitter, the protection assembly is composed of a positioning plate, a mounting box, an adjusting shaft, a gear, a ratchet wheel, a pawl and other components, and micro-distance adjustment can be conducted on the mounting height of a protection barrel and the mounting height of a smoke collecting hood through the adjusting shaft and the gear in cooperation with a rack. Therefore, the lower end face of the exhaust fume collecting hood can be close to the surface of a cut object, and the dust removal and protection effects are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building, especially relates to a protection equipment for building material plasma cutting. BACKGROUND

[0002] The steel cutting device is needed when building materials are produced, and the high-efficient equipment for cutting steel is generally a plasma cutting machine, the plasma cutting machine is a kind of equipment using the electric heating energy of high-temperature plasma arc to make the metal of workpiece cutting part locally melt, and the equipment is mainly used for cutting processing of metal plate and pipe, and has the characteristics of fast cutting speed, high precision and wide application range;

[0003] When the plasma cutting machine cuts objects, the liquid metal splashed during cutting has high temperature, which can easily cause damage to the human body, and the existing plasma cutting machine protection device is mostly fixed structure, and the height of the lower edge from the cutting plane cannot be adjusted, such as the plasma cutting machine protection device disclosed in the application No.CN211536923U, by setting the first dust cover, the second dust cover and the pulse bag-type dust collector, the fan inside the pulse bag-type dust collector can absorb the smoke and dust generated by the plasma cutting machine into the pulse bag-type dust collector for collection, so that the workers can avoid inhaling the smoke and dust into the lungs, but the second dust cover in the application is fixedly installed on the outer side of the plasma gun head, so that the use height of the second dust cover cannot be adjusted, and when cutting objects of different thicknesses are encountered, there will be a certain distance between the lower end surface of the second dust cover and the object, the distance between the lower end surface of the second dust cover and the cutting object cannot be further adjusted, part of the smoke and dust and cutting splinters overflow or fly out, and thus the dust collection and protection effect of the second dust cover is insufficient. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a protection equipment for building material plasma cutting, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] The utility model provides a kind of protective equipment for building material plasma cutting, including cutting table, X direction beam is movably installed on the cutting table, Y direction sliding table is movably installed on the X direction beam, plasma emission assembly is provided on the Y direction sliding table side, the plasma emission assembly includes Z direction slider and plasma emitter, the Z direction slider is movably installed on Y direction sliding table side cylinder assembly, fixed seat A and fixed seat B are respectively fixedly installed on the Z direction slider side, plasma emitter is fixedly installed between the fixed seat A and fixed seat B, protective assembly is provided outside the fixed seat B, the protective assembly includes locating plate and mounting box, the locating plate and mounting box are fixedly connected with each other, adjusting shaft is movably installed in the mounting box, gear and ratchet are respectively fixedly installed outside adjusting shaft in the mounting box, the locating plate is movably installed outside fixed seat B by gear, and protective cylinder is also fixedly installed at the lower end of the locating plate and mounting box.

[0007] As a further optimization scheme of the utility model, the fixed seat A and the fixed seat B are fixedly connected with a rack.

[0008] As a further optimization scheme of the utility model, two side ears are fixedly installed outside the locating plate, and a side plate is fixedly installed on one side in the mounting box.

[0009] As a further optimization scheme of the utility model, a fixed shaft is fixedly installed on one side of the side plate, a jacking rod is inserted into the fixed shaft, a limiting nut is threadedly connected to the jacking rod above and below the fixed shaft, and a compression spring A is sleeved on the jacking rod between the limiting nut above and the fixed shaft.

[0010] As a further optimization scheme of the utility model, the side plate on one side of the fixed shaft is also provided with a pawl, the pawl is rotatably installed on one side of the side plate through a connecting shaft, and one end of the pawl is engaged with the ratchet, so that the adjusting shaft drives the gear to rotate unidirectionally, and the pawl is supported by the jacking rod, thereby facilitating accurate adjustment of the installation height of the protective cylinder.

[0011] As a further optimization scheme of the utility model, the adjusting shaft in the mounting box is also fixedly installed with two limiting rings, a compression spring B is sleeved on the adjusting shaft between one of the limiting rings and the inner side of the mounting box, and the gear is engaged with the rack, so that the pawl unidirectionally limits the ratchet when the protective cylinder is moved downward by the mounting box and the locating plate.

[0012] As a further optimization scheme of the utility model, the smoke collecting hood is fixedly installed at the lower end of the protective cylinder, the smoke collecting hood is trumpet-shaped, a fixed pipe is fixedly installed outside the protective cylinder, the protective cylinder is fixedly installed at the upper end of the positioning plate and the lower end of the mounting box through screws, and the fixed pipe is connected with the input end of the external negative smoke removal equipment through the connecting pipe.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The protective equipment for building material plasma cutting has the protective assembly arranged outside the fixed seat B with the plasma emitter, and the protective assembly is composed of a positioning plate, a mounting box, an adjusting shaft, a gear, a ratchet wheel and a pawl, etc., the installation height of the protective cylinder and the smoke collecting hood can be adjusted by a small distance through the adjusting shaft and the gear cooperating with the rack, so that the lower end surface of the smoke collecting hood can be close to the surface of the cutting object, and the dust removal and protection effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the first installation schematic view of the main structure of the utility model;

[0016] Figure 2 It is the second installation schematic view of the main structure of the utility model;

[0017] Figure 3 It is the structure schematic view of the plasma emission assembly of the utility model;

[0018] Figure 4 It is the split schematic view of the mounting box structure of the utility model;

[0019] Figure 5 It is the schematic view of the ratchet wheel and pawl installation structure of the utility model;

[0020] Figure 6 It is the schematic view of the protective cylinder structure of the utility model.

[0021] In the drawing: 1, cutting table; 2, X direction cross beam; 3, Y direction sliding table; 4, plasma emission assembly; 5, Z direction sliding block; 6, fixed seat A; 7, fixed seat B; 8, plasma emitter; 9, positioning plate; 10, mounting box; 11, adjusting shaft; 12, gear; 13, ratchet wheel; 14, protective cylinder; 15, rack; 16, side ear; 17, side plate; 18, fixed shaft; 19, top rod; 20, limit nut; 21, compression spring A; 22, pawl; 23, connecting shaft; 24, limit ring; 25, compression spring B; 26, smoke collecting hood; 27, fixed pipe; 28, protective assembly. DETAILED DESCRIPTION

[0022] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0023] As shown in Figures 1-6 The utility model provides a kind of protective equipment for building material plasma cutting, including cutting table 1, X direction beam 2 is movably installed on cutting table 1, Y direction sliding table 3 is movably installed on X direction beam 2, Y direction sliding table 3 side is provided with plasma emission assembly 4, plasma emission assembly 4 includes Z direction slider 5 and plasma emitter 8, Z direction slider 5 is movably installed on Y direction sliding table 3 side cylinder assembly, Z direction slider 5 side is respectively fixedly installed with fixed seat A 6 and fixed seat B 7, fixed seat A 6 and fixed seat B 7 between fixedly installed with plasma emitter 8, fixed seat B 7 outside is provided with protection component 28, protection component 28 includes locating plate 9 and installation box 10, locating plate 9 and installation box 10 are mutually fixedly connected, adjusting shaft 11 is movably installed in installation box 10, adjusting shaft 11 outside in installation box 10 is also respectively fixedly installed with gear 12 and ratchet wheel 13, locating plate 9 is movably installed in fixed seat B 7 outside by gear 12, locating plate 9 and installation box 10 lower end are also fixedly installed with protection cylinder 14.

[0024] As shown in Figures 2-3 Fixed seat A 6 and fixed seat B 7 between fixedly connected with rack 15;

[0025] As shown in Figures 2-5 Locating plate 9 outside is fixedly installed with two side ears 16, one side of side plate 17 is fixedly installed in installation box 10, fixed shaft 18 is fixedly installed on one side of side plate 17, top rod 19 is inserted and installed in fixed shaft 18, top rod 19 at the position above and below fixed shaft 18 is respectively threadedly connected with limit nut 20, top rod 19 between upper limit nut 20 and fixed shaft 18 is also sleeved with compression spring A 21, one side of side plate 17 at fixed shaft 18 is also provided with ratchet pawl 22, ratchet pawl 22 is rotatably installed on one side of side plate 17 by connecting shaft 23, and one end of ratchet pawl 22 is engaged with ratchet wheel 13, by the setting of ratchet wheel 13, adjusting shaft 11 can drive gear 12 to rotate unidirectionally, and cooperate with top rod 19 to support ratchet pawl 22, so as to facilitate the accurate adjustment of the installation height of protection cylinder 14, adjusting shaft 11 fixedly installed in installation box 10 is also provided with two limit rings 24, adjusting shaft 11 between one of limit rings 24 and installation box 10 inside is also sleeved with compression spring B 25, and gear 12 and rack 15 are engagedly connected, by the setting of compression spring B 25, when protection cylinder 14 is moved downward by installation box 10 and locating plate 9, ratchet pawl 22 contacts ratchet wheel 13 and is unidirectionally limited;

[0026] As shown in Figure 2 ,Figure 6 As shown, the lower end of the protective cylinder 14 is fixedly installed with a smoke hood 26, the smoke hood 26 is in the shape of a horn, the outer side of the protective cylinder 14 is fixedly installed with a fixed tube 27, the upper end of the protective cylinder 14 is fixedly installed at the lower end of the positioning plate 9 and the mounting box 10 through screws, and the fixed tube 27 is connected with the input end of the external negative smoke removal equipment through a connecting pipe, and the adjustable protective cylinder 14 and the smoke hood 26 are arranged, so that the flying debris generated during cutting can be prevented from splashing.

[0027] It should be noted that the utility model is a kind of protective equipment for building material plasma cutting, when the protective cylinder 14 and the smoke hood 26 are moved up and fine-tuned, the knob at one end of the adjusting shaft 11 can be pinched, and the adjusting shaft 11 is rotated through the knob, then the adjusting shaft 11 synchronously drives the gear 12 and the ratchet 13 to rotate in the mounting box 10, further makes the gear 12 rotate on the side of the rack 15, to control the mounting box 10 and the positioning plate 9 to move up outside the fixed seat B7, further drives the protective cylinder 14 to move up by the positioning plate 9 and the mounting box 10, at the same time, the adjusting shaft 11 synchronously drives the ratchet 13 to rotate, and the ratchet 13 is one-way limited by the setting of the pawl 22, that is, when the height of the protective cylinder 14 and the smoke hood 26 is adjusted, the positioning plate 9 and the mounting box 10 can be prevented from sliding down outside the fixed seat B7, when the protective cylinder 14 and the smoke hood 26 are moved down and fine-tuned, the adjusting shaft 11 can be pushed to one side, further makes the adjusting shaft 11 compress the compression spring B25 to one side in the mounting box 10 by one of the limiting rings 24, at the same time, the ratchet 13 and the pawl 22 are disconnected, at this time, the finger pinching one end of the adjusting shaft 11 can be appropriately released, further utilizes the weight of the whole device to move down by itself, when adjusted to the appropriate position, the adjusting shaft 11 can be pulled back, further makes the ratchet 13 recombined with the pawl 22, that is, the adjusting shaft 11 and the gear 12 can be limited, further guarantees the height of the protective cylinder 14 and the smoke hood 26 by the positioning plate 9 and the mounting box 10, then the lower end of the smoke hood 26 can be close to the surface of the cutting object, to play the role of improving dust removal protection.

[0028] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A kind of building material plasma cutting protection equipment, including cutting table (1), X direction beam (2) is movably installed on the cutting table (1), Y direction sliding table (3) is movably installed on the X direction beam (2), plasma emission component (4) is provided on the side of the Y direction sliding table (3), the plasma emission component (4) includes Z direction slider (5) and plasma emitter (8), the Z direction slider (5) is movably installed on the side of Y direction sliding table (3) cylinder assembly, it is characterized by: The Z direction slider (5) one side is respectively fixedly installed with fixed seat A (6) and fixed seat B (7), fixed seat A (6) and fixed seat B (7) between fixedly installed with plasma emitter (8), fixed seat B (7) outside is provided with protection assembly (28); The protection assembly (28) includes a positioning plate (9) and a mounting box (10), the positioning plate (9) and the mounting box (10) are fixedly connected with each other, the mounting box (10) is movably installed with an adjusting shaft (11), the adjusting shaft (11) outside the mounting box (10) is also respectively fixedly installed with a gear (12) and a ratchet (13), the positioning plate (9) is movably installed outside the fixed seat B (7) through the gear (12), and the positioning plate (9) and the mounting box (10) are also fixedly installed with a protection cylinder (14) at the lower end.

2. The protective equipment for plasma cutting of building materials according to claim 1, characterized in that: The fixed seat A (6) and the fixed seat B (7) are fixedly connected with a rack (15).

3. The protective apparatus for plasma cutting of building materials according to claim 2, characterized in that: The positioning plate (9) is fixedly installed with two side ears (16) outside, and one side of the mounting box (10) is fixedly installed with a side plate (17).

4. The protective apparatus for plasma cutting of building materials according to claim 3, characterized in that: The side plate (17) is fixedly installed with a fixed shaft (18) on one side, the fixed shaft (18) is inserted with a jack (19), the jacks (19) located above and below the fixed shaft (18) are respectively threadedly connected with limit nuts (20), and the jack (19) between the upper limit nut (20) and the fixed shaft (18) is also sleeved with a compression spring A (21).

5. The protective apparatus for plasma cutting of building materials according to claim 4, characterized in that: The side plate (17) on one side of the fixed shaft (18) is also provided with a ratchet pawl (22), the ratchet pawl (22) is rotatably installed on one side of the side plate (17) through a connecting shaft (23), and one end of the ratchet pawl (22) is engaged with the ratchet (13).

6. The protective apparatus for plasma cutting of building materials according to claim 5, characterized in that: The adjusting shaft (11) in the mounting box (10) is also fixedly installed with two limit rings (24), the adjusting shaft (11) between one of the limit rings (24) and the inner side of the mounting box (10) is also sleeved with a compression spring B (25), and the gear (12) is engaged with the rack (15).

7. The protective apparatus for plasma cutting of building materials according to claim 1, characterized in that: The lower end of the protection cylinder (14) is fixedly installed with a smoke collecting cover (26), the smoke collecting cover (26) is trumpet-shaped, the outer side of the protection cylinder (14) is fixedly installed with a fixed tube (27), the upper end of the protection cylinder (14) is fixedly installed at the lower end of the positioning plate (9) and the mounting box (10) through screws, and the fixed tube (27) is connected with the input end of the external negative smoke removal equipment through a connecting pipe.

Citation Information

Patent Citations

  • Plasma cutting machine protection device

    CN211536923U