High-precision and high-efficiency manual gas cutting device

Abstract

The utility model relates to the technical field of manual gas cutting devices, and discloses a high-precision and high-efficiency manual gas cutting device which comprises a frame, a driving assembly is arranged on the side face of the frame, a moving assembly is fixedly connected to the side face of the driving assembly, and a gas cutting nozzle is fixedly connected to the bottom face of the moving assembly. The bottom face of the frame is fixedly connected with inserting pipes in a rectangular array mode, inserting rods are inserted into the inserting pipes, and the bottom faces of the inserting rods are fixedly connected with a bottom plate. According to the high-precision and high-efficiency manual gas cutting device, through the arrangement of the driving assembly and the moving assembly, a driving motor starts to work, a lead screw fixed to the output end of the driving motor rotates, a sliding block in threaded connection with the surface of the lead screw moves in a sliding groove, and a gas cutting spray head fixed to the bottom face of the sliding block through a connecting block moves at a constant speed in a linear mode; and low-carbon steel placed below is subjected to gas cutting operation, so that the effect of avoiding the influence of handheld operation on cutting flatness and cutting deviation is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of manual gas cutting devices, in particular to a high-precision and high-efficiency manual gas cutting device. Background Art

[0002] Manual gas cutting device uses high temperature flame to preheat metal to ignition point, then increases oxygen flow to make metal burn, and uses high-speed oxygen flow to blow away the slag produced by combustion, thereby achieving metal cutting. This method is suitable for a variety of metal materials, especially for cutting low-carbon steel.

[0003] A manual gas cutting auxiliary device disclosed in the publication number CN202291754U has a length adjustment device on the rear side of the positioning device, a connecting shaft is vertically provided at the rear end of the length adjustment device, a rotating rod that can rotate around the connecting shaft is provided on the connecting shaft, and a cutting nozzle sleeve for installing the cutting nozzle is provided at the front end of the rotating rod. The utility model has a simple structure, practical functions, easy operation, and significantly improved efficiency.

[0004] However, the manual gas cutting auxiliary device has the following disadvantages:

[0005] (1) When using a handheld gas cutting device to cut low carbon steel, when a straight line cut is required, the handheld operation will affect the smoothness of the cut and the cutting may easily deviate;

[0006] (2) When cutting low carbon steel, there is a lack of structure to clamp and fix the low carbon steel, which is easily affected by external forces and displaced during cutting, affecting the cutting accuracy. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] The technical problem solved by the utility model is to provide a high-precision and high-efficiency manual gas cutting device which is highly practical, can be simply operated and has a relatively simple structure. It solves the problem that the handheld operation mentioned in the above background technology will affect the flatness of the cutting and the cutting deviation is prone to occur. There is a lack of structure to clamp and fix the low-carbon steel, and it is easily affected by external forces during cutting and displaced, thus affecting the cutting accuracy.

[0009] (II) Technical solution

[0010] To achieve the above purpose, the utility model is implemented through the following technical solutions: a high-precision and high-efficiency manual gas cutting device, comprising a frame, a driving assembly is arranged on the side of the frame, a moving assembly is fixedly connected to the side of the driving assembly, a gas cutting nozzle is fixedly connected to the bottom surface of the moving assembly, a plug is fixedly connected to the bottom surface of the frame in a rectangular array, a plug rod is inserted into the inside of the plug, a bottom plate is fixedly connected to the bottom surface of the plug rod, and a clamping assembly is sleeved on the surface of the plug;

[0011] The moving component includes a slide groove fixedly connected to the inner wall of the frame, a slider is slidably connected inside the slide groove, a threaded hole is opened on the side of the slider, a screw rod is threadedly connected inside the threaded hole, and a connecting block is fixedly connected to the bottom surface of the slider.

[0012] Optionally, a small bearing is sleeved on one end of the screw rod, and the small bearing is fixedly connected to the inner side wall of the frame, and the inner side wall of the frame is provided with a groove for sleeved the small bearing.

[0013] Optionally, the driving assembly includes a clamping plate fixedly connected to a side surface of the frame, a device tube is fixedly connected to the side surface of the clamping plate, a driving motor is sleeved inside the device tube, and a screw is fixedly connected to an output end of the driving motor.

[0014] Optionally, a heat dissipation port is provided on the side of the device tube, and a dustproof net for preventing dust is provided inside the heat dissipation port.

[0015] Optionally, the clamping assembly includes a side plate that is sleeved on the surface of the insert tube, a threaded hole is opened on the side of the side plate, the internal thread of the threaded hole is connected to a screw rod, one end of the screw rod is sleeved with a large bearing, and a push plate is fixedly connected to the side of the large bearing.

[0016] Optionally, a safety net for reducing danger is fixedly connected to the top surface of the frame, and a slot matching the clamping plate is formed on the bottom surface of the safety net.

[0017] (III) Beneficial effects

[0018] The utility model provides a high-precision and high-efficiency manual gas cutting device, which has the following beneficial effects:

[0019] 1. This high-precision and high-efficiency manual gas cutting device, through the setting of the driving component and the moving component, the driving motor starts to work, so that the screw fixed at the output end rotates, and the slider threaded on the surface of the screw moves inside the slide groove, so that the gas cutting nozzle fixed on the bottom of the slider through the connecting block follows the uniform and linear movement, and the low-carbon steel placed below is gas-cut, thereby achieving the effect of avoiding the influence of hand-held operation on the cutting flatness and the occurrence of cutting deviation.

[0020] 2. The high-precision and high-efficiency manual gas cutting device places low-carbon steel on the surface of an axisymmetrically arranged push plate by setting a clamping component, and then twists the screw rods at both ends to move the screw rods inside the threaded holes on the sides of the side plates, so that one end of the screw rod moves through the push plate installed by the large bearing, and the placed low-carbon steel is squeezed and fixed, thereby preventing the low-carbon steel from being displaced by external forces during cutting, thereby affecting the cutting accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the drive assembly and the moving assembly of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the clamping assembly of the utility model;

[0024] Figure 4 It is a schematic diagram of the split structure of the utility model.

[0025] In the figure: 1. frame; 2. drive assembly; 21. clamping plate; 22. equipment cylinder; 23. drive motor; 3. moving assembly; 31. slide groove; 32. slider; 33. screw rod; 34. connecting block; 4. gas cutting nozzle; 5. insert tube; 6. insert rod; 7. bottom plate; 8. clamping assembly; 81. side plate; 82. screw rod; 83. large bearing; 84. push plate; 9. small bearing; 10. dust net; 11. protective net. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figures 1 to 4 The utility model provides a technical solution: a high-precision and high-efficiency manual gas cutting device, including a frame 1, a driving component 2 is arranged on the side of the frame 1, a moving component 3 is fixedly connected to the side of the driving component 2, a gas cutting nozzle 4 is fixedly connected to the bottom surface of the moving component 3, the bottom surface of the frame 1 is in a rectangular array and fixedly connected to a plug 5, an insert rod 6 is inserted inside the plug 5, a bottom plate 7 is fixedly connected to the bottom surface of the plug rod 6, and a clamping component 8 is sleeved on the surface of the plug 5.

[0028] See also Figure 2One end of the screw rod 33 is sleeved with a small bearing 9, and the small bearing 9 is fixedly connected to the inner wall of the frame 1. The inner wall of the frame 1 is provided with a groove for sleeved with the small bearing 9; the small bearing 9 provides support for one end of the screw rod 33 to prevent the screw rod 33 from bending under the centrifugal force generated by long-term high-speed rotation, thereby affecting the normal movement of the slider 32;

[0029] See also Figure 2 A heat dissipation port is provided on the side of the equipment tube 22, and a dustproof net 10 is provided inside the heat dissipation port for preventing dust; the heat dissipation port on the side of the equipment tube 22 can facilitate rapid cooling of the drive motor 23 during long-term operation, and the dustproof net 10 can prevent dust from entering the drive motor 23 through the heat dissipation port and causing damage;

[0030] See also Figure 4 The top surface of the frame 1 is fixedly connected with a protective net 11 for reducing danger, and the bottom surface of the protective net 11 is provided with a slot matching the clamping plate 21; the protective net 11 can shield the gas cutting device installed on the surface of the frame 1 to prevent injuries caused by accidental touch during operation.

[0031] In the utility model, the working steps of the device are as follows:

[0032] First, place the low-carbon steel on the surface of the pushing plate 84 which is axially symmetrically arranged, and then, twist the screw rods 82 at both ends to make the screw rods 82 move inside the threaded holes on the sides of the side plates 81, so that the pushing plate 84 installed with one end of the screw rod 82 through the large bearing 83 moves, and the placed low-carbon steel is squeezed and fixed. Finally, the driving motor 23 starts to work, so that the screw rod 33 fixed at its output end rotates, and the slider 32 threadedly connected to the surface of the screw rod 33 moves inside the slide groove 31, so that the gas cutting nozzle 4 fixed on the bottom surface of the slider 32 through the connecting block 34 follows the uniform and linear motion, and the low-carbon steel placed below is gas cut.

[0033] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0034] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-precision and high-efficiency manual gas cutting device, comprising a frame (1), characterized in that: A driving assembly (2) is arranged on the side of the frame (1), a moving assembly (3) is fixedly connected to the side of the driving assembly (2), a gas cutting nozzle (4) is fixedly connected to the bottom of the moving assembly (3), a plug (5) is fixedly connected to the bottom of the frame (1) in a rectangular array, a plug rod (6) is inserted into the inside of the plug rod (5), a bottom plate (7) is fixedly connected to the bottom of the plug rod (6), and a clamping assembly (8) is sleeved on the surface of the plug (5); The moving assembly (3) comprises a slide groove (31) fixedly connected to the inner wall of the frame (1); a slider (32) is slidably connected inside the slide groove (31); a threaded hole is provided on the side of the slider (32); a screw rod (33) is threadedly connected inside the threaded hole; and a connecting block (34) is fixedly connected to the bottom surface of the slider (32).

2. A high-precision and high-efficiency manual gas cutting device according to claim 1, characterized in that: One end of the screw rod (33) is sleeved with a small bearing (9), and the small bearing (9) is fixedly connected to the inner wall of the frame (1), and the inner wall of the frame (1) is provided with a groove for sleeved with the small bearing (9).

3. A high-precision and high-efficiency manual gas cutting device according to claim 1, characterized in that: The driving assembly (2) comprises a clamping plate (21) fixedly connected to the side of the frame (1); a device cylinder (22) is fixedly connected to the side of the clamping plate (21); a driving motor (23) is sleeved inside the device cylinder (22); and a screw rod (33) is fixedly connected to the output end of the driving motor (23).

4. A high-precision and high-efficiency manual gas cutting device according to claim 3, characterized in that: A heat dissipation port is provided on the side of the equipment tube (22), and a dustproof net (10) for preventing dust is provided inside the heat dissipation port.

5. A high-precision and high-efficiency manual gas cutting device according to claim 1, characterized in that: The clamping assembly (8) comprises a side plate (81) sleeved on the surface of the insert tube (5), a threaded hole is provided on the side of the side plate (81), a screw rod (82) is connected to the inner thread of the threaded hole, a large bearing (83) is sleeved on one end of the screw rod (82), and a push plate (84) is fixedly connected to the side of the large bearing (83).

6. A high-precision and high-efficiency manual gas cutting device according to claim 1, characterized in that: A risk-reducing protection net (11) is fixedly connected to the top surface of the frame (1), and a slot matching the clamping plate (21) is provided on the bottom surface of the protection net (11).

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