CN114633217A - Carbon dioxide micro-abrasive cutting machine tool and machining method - Google Patents

Abstract

The invention discloses a carbon dioxide micro-abrasive cutting machine tool and a processing method. The machine tool comprises a high-pressure jet system, a machining control module and a machine tool basic module. The high-pressure jet system includes a high-pressure gas tank, an output pipeline, a pressure gauge, a flow meter, a solenoid valve, a flow valve, a valve, an abrasive jet mixing device, and a nozzle assembly, and the system can generate a stable carbon dioxide abrasive jet; the mechanical The processing control module includes a ball screw cantilevered two-axis slide table and an electromagnetic control board, which is used to control the position and direction of the nozzle jet; the machine tool basic module includes a frame, a workpiece fixing device, and a worm gear lifting device. This module Provide installation positions for various parts of the machine tool and fix the parts to be processed. Compared with the former machine tool, this machine tool has the advantages of simple structure, low cost, quick and convenient operation, high precision, green safety and high efficiency.

Description

A carbon dioxide micro-abrasive cutting machine tool and processing method

technical field

The invention relates to the technical field of abrasive gas jet mechanical equipment design, in particular to a carbon dioxide micro-abrasive cutting machine tool and a processing method.

Background technique

Abrasive jet technology first appeared in the 1960s, divided into abrasive water jet and abrasive gas jet technology. This technology can achieve better cleaning and erosion effects with less power, and is widely used in cutting, special processing, drilling, rust removal and hydraulic punching operations.

However, with the development of abrasive jet technology, the shortcomings of traditional abrasive jets have become increasingly prominent. Due to the increase in workload, the consumption of abrasives increases, but traditional abrasives are not easy to recycle; secondly, the abrasive water jet will produce a large amount of industrial waste water, causing environmental pollution; in addition, the existing abrasive jets cannot perform precision machining on some parts. To this end, it is necessary to propose a carbon dioxide micro-abrasive green cutting machine tool and processing method with simple structure, low cost, quick and convenient operation, high precision, green safety and high efficiency, coupled with stepper motor and electromagnetic plate.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the shortcomings of the above-mentioned prior art and provide a carbon dioxide micro-abrasive cutting machine tool and a processing method with simple structure, low cost, quick and convenient operation, high precision, green safety and high efficiency.

In order to achieve the above purpose, the technical scheme adopted in the present invention is: a carbon dioxide microabrasive cutting machine tool and a processing method, comprising (1) a high pressure jet system, (2) a machining control module, and (3) a machine tool basic module.

The high-pressure jet system comprises (11) a high-pressure gas tank, (12) an output pipeline, (13) a pressure gauge, (14) a flow meter, (15) a solenoid valve, (16) a flow valve, (17) a valve, ( 18) Abrasive mixing device, (19) nozzle assembly, said abrasive mixing device comprising (181) mixing impeller, (182) tank body, (183) diversion cone, said (19) nozzle assembly comprising (191) Nozzle, (192) nozzle fixing frame, (193) nozzle connector, the flow of abrasive entering into (18) abrasive mixing device is controlled by the (17) valve, and entering by the (15) solenoid valve, (16) flow valve control (18) Gas flow and pressure of abrasive mixing device.

The machining control module includes (21) a ball screw cantilevered two-axis slide table, and (22) an electromagnetic control board.

The machine tool base module includes (31) a frame, (32) a workpiece fixing device, and (33) a worm gear lifting device, and the (32) workpiece fixing device includes (321) a workpiece adsorption plate, (322) an electromagnet, (323) The electromagnet protective cover, the (32) workpiece fixing device is installed on the (33) worm gear lifting device, and is matched with the preset chute of the frame through the (323) guide rails on the electromagnet protective cover.

The carbon dioxide micro-abrasive cutting machine tool and processing method are designed to include (18) an abrasive mixing device, and the (18) abrasive mixing device includes (181) a mixing impeller, (182) a tank body, and (183) a guide. The flow cone mouth, the cylinder side of the (182) tank body is provided with an air inlet, and one end face is provided with a feed port and is connected to the (183) guide cone mouth, and a gas-solid two-way is opened at 180° to the air inlet. Phase output port, (181) The mixing impeller rotates at high speed under the impetus of the incoming high-pressure gas, and forms a negative pressure area in the center of the (182) tank body, and the abrasive is sucked into the (182) tank through the (183) guide cone mouth The gas is mixed with high-pressure gas and output from the gas-solid two-phase output port on the other side.

The carbon dioxide micro-abrasive cutting machine tool and processing method are designed to include (22) an electromagnetic control board, wherein the (22) electromagnetic control board is four electromagnetic boards evenly distributed around the nozzle, and passes through (21) ball wires. The movement of the lever cantilever type two-axis slide table controls the large-range movement of the nozzle, and controls the small-range deflection of the ejected jet through the (22) electromagnetic control board.

The carbon dioxide micro-abrasive cutting machine tool and processing method are designed to include (32) a workpiece fixing device, and the (32) workpiece fixing device includes (321) a workpiece adsorption plate, (322) an electromagnet, and (323) an electromagnetic Iron protective cover, four guide rails are evenly distributed around the (323) electromagnet protective cover, and the cooperation between the guide rails and the preset chute of the rack can ensure (32) the stability of the workpiece fixing device when lifting and lowering, the (32) 32) The workpiece fixing device is installed on the (33) worm gear lifting device, the installation height of the workpiece is controlled by adjusting the height of the (33) worm gear lifting device, and the workpiece is adsorbed and fixed by the electromagnetic force generated by the (322) electromagnet.

The carbon dioxide micro-abrasive cutting machine tool and the processing method, the design of which includes (1) a high-pressure jet system, in the (1) high-pressure jet system (11) a high-pressure gas tank, (13) a pressure gauge, and (14) a flow rate The meter, (15) a solenoid valve, (16) a flow valve, are connected in sequence through (12) an output pipe, and finally connected with (18) an air inlet of the abrasive mixing device.

The carbon dioxide micro-abrasive cutting machine tool and processing method are designed to include (2) a machining control module, which controls (21) a ball screw cantilevered two-axis slide table and (22) an electromagnetic control board to control nozzle output jet location.

The carbon dioxide micro-abrasive cutting machine tool and processing method are designed to include (3) a basic module of the machine tool, the (33) worm gear lifting device is fixed at the center of the bottom of the machine tool, and (32) the workpiece fixing device is fixed at (33) ) On the worm gear lifting device, (33) in the worm gear lifting device (323) the guide rail on the electromagnet protective cover is matched with the preset chute of the rack; the (2) machining control module is installed in (32) Above the workpiece fixing device, it is fixed on the frame; the (191) nozzle is installed on the (21) sliding table of the ball screw cantilever type two-axis sliding table through the (192) nozzle fixing frame; the (18) abrasive The mixing device is installed above the rack, and its gas-solid two-phase output port is connected with (193) nozzle connectors through (12) output pipes, and (193) nozzle connectors are connected with nozzles.

Described a kind of carbon dioxide micro-abrasive cutting machine tool and processing method, its design comprises the following steps,

S1: place the belt processing workpiece on the (321) workpiece adsorption plate, turn on (322) the electromagnet to adsorb it, and adjust (33) the worm gear lifting device so that the workpiece to be processed is at a suitable height;

S2: Set the pre-processing route through the supporting software, and simulate the tool movement, fine-tune the position of the workpiece, and then adjust (21) the movement speed of the ball screw cantilevered two-axis slide and (22) the magnetic field strength of the electromagnetic control board;

S3: Adjust (16) the flow valve to make the gas pressure a suitable size;

S4: Open (17) valve feeding and start processing;

S5: After processing, close (17) valve, (15) solenoid valve, (16) flow valve, (322) electromagnet, and remove the workpiece;

S6: Wipe the fixed table clean, you can wait for the next workpiece processing work.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structural representation of the high pressure jet system in Fig. 1;

Fig. 3 is the structural representation of the machining control module in Fig. 1;

Fig. 4 is the structural representation of the basic module of the machine tool in Fig. 1;

Fig. 5 is the structural representation of the abrasive mixing device in the high-pressure jet system in Fig. 1;

6 is a schematic structural diagram of a nozzle assembly in the high-pressure jet system in FIG. 1;

Fig. 7 is the structural representation of the workpiece fixing device in the basic module of the machine tool in Fig. 1;

Among them: (1) high pressure jet system, (2) machining control module, (3) machine tool basic module, (11) high pressure gas tank, (12) output pipeline, (13) pressure gauge, (14) flow meter, ( 15) Solenoid valve, (16) Flow valve, (18) Abrasive mixing device, (19) Nozzle assembly, (181) Mixing impeller, (182) Tank body, (183) Diversion cone, (19) Nozzle assembly , (191) Nozzle, (192) Nozzle Fixing Frame, (193) Nozzle Connector, (21) Ball Screw Cantilever Two-Axis Slide, (22) Electromagnetic Control Board, (31) Frame, (32) Workpiece Fixing device, (33) worm gear lifting device, (321) workpiece adsorption plate, (322) electromagnet, (323) electromagnet protective cover.

Detailed ways

When using on-site, first, the operator places the part to be processed on the fixing table of the workpiece fixing device, activates the electromagnet to adsorb and fix it, and then rotates the worm gear below the workpiece fixing device to adjust the workpiece to be processed. The distance between the nozzle and the nozzle , and then use the supporting software to set the pre-processing route, and simulate the tool movement to fine-tune the workpiece position.

Secondly, the operator adjusts the processing parameters through the console, such as nozzle moving speed, gas pressure, abrasive feed and so on.

Finally, the operator clicks to start processing after confirming that it is correct, and the nozzle will process the parts according to the given route. After the processing is completed, the staff will turn off the electromagnet, remove the workpiece, and wipe the fixed table clean. Wait for the next workpiece machining job.

Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention is a carbon dioxide micro-abrasive cutting technology, adopts carbon dioxide as a pressurizing agent and a coolant, has low processing temperature, does not produce thermal effects on the workpiece, and the cooling medium is green and environmentally friendly, The advantage of not producing industrial waste water; the use of stepping motor coupled electromagnetic plate to control the direction of the jet has the advantages of high cutting accuracy and good trimming quality of the processed parts; the use of magnetic abrasives has the advantages of easy recycling, green environmental protection, economical safety ; Using the numerical control method to control the whole machine, it has the advantages of simple operation, high processing precision, wide processing application range and high safety.

The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also There are various changes and modifications which fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. A carbon dioxide micro-abrasive cutting machine tool and a processing method are mainly characterized in that the machine tool comprises (1) a high-pressure jet system, (2) a mechanical processing control module and (3) a machine tool basic module;

the high-pressure jet system comprises (11) a high-pressure gas tank, (12) an output pipeline, (13) a pressure gauge, (14) a flow meter, (15) an electromagnetic valve, (16) a flow valve, (17) a valve, (18) an abrasive mixing device, (19) a nozzle assembly, wherein the abrasive mixing device comprises (181) a mixing impeller, (182) a tank body, (183) a flow guide conical opening, the (19) nozzle assembly comprises (191) a nozzle, (192) a nozzle fixing frame and (193) a nozzle connector, the flow of abrasives entering the (18) abrasive mixing device is controlled by the (17) valve, and the flow and the pressure of gas entering the (18) abrasive mixing device are controlled by the (15) electromagnetic valve and the (16) flow valve; the machining control module comprises a ball screw cantilever type two-axis sliding table (21) and an electromagnetic control panel (22); the machine tool base module comprises a machine frame (31), a workpiece fixing device (32) and a worm and gear lifting device (33), wherein the workpiece fixing device (32) comprises a workpiece adsorption plate (321), an electromagnet (322) and an electromagnet protection cover (323), and the workpiece fixing device (32) is installed on the worm and gear lifting device (33) and is matched with a sliding groove preset in the machine frame through a guide rail on the electromagnet protection cover (323).

2. The carbon dioxide micro-abrasive cutting machine tool and the processing method thereof as claimed in claim 1, wherein: the grinding material mixing device comprises a grinding material mixing device (18), wherein the grinding material mixing device (18) comprises a mixing impeller (181), a tank body (182) and a flow guide conical opening (183), an air inlet is formed in the cylindrical side surface of the tank body (182), a feed inlet is formed in one end surface of the cylindrical side surface of the tank body (182), the cylindrical side surface of the tank body (183) is connected with the flow guide conical opening (183), a gas-solid two-phase output port is formed in a position forming 180 degrees with the air inlet, the mixing impeller (181) rotates at a high speed under the pushing of entering high-pressure gas, a negative pressure area is formed in the center of the tank body (182), and grinding materials are sucked into the tank body (182) through the flow guide conical opening (183) to be mixed with the high-pressure gas and output from the gas-solid two-phase output port on the other side.

3. The carbon dioxide micro-abrasive cutting machine tool and the processing method thereof as claimed in claim 1, wherein: including (22) electromagnetic control board, four electromagnetic plates around the nozzle are for the equipartition to electromagnetic control board (22), and through the removal on a large scale of the motion control nozzle of (21) ball screw cantilever type diaxon slip table, the small range deflection of efflux is spouted in the control of electromagnetic control board (22).

4. The carbon dioxide micro-abrasive cutting machine tool and the processing method as claimed in claim 1, wherein: including (32) work piece fixing device, work piece fixing device (32) includes (321) work piece adsorption plate, (322) electro-magnet, (323) electro-magnet safety cover, the equipartition has four guide rails all around for (323) electro-magnet safety cover, the guide rail presets the stability when cooperation of spout is in order to guarantee (32) work piece fixing device lift with the frame, work piece fixing device (32) install on (33) worm gear elevating gear, through adjusting (33) worm gear elevating gear altitude control work piece mounting height, adsorb fixedly to the work piece through the electromagnetic force that (322) electro-magnet produced.

5. The carbon dioxide micro-abrasive cutting machine tool and the processing method as claimed in claim 1, wherein: the abrasive mixing device comprises a high-pressure jet system (1), wherein a high-pressure gas tank (11), a pressure gauge (13), a flow meter (14), an electromagnetic valve (15) and a flow valve (16) are sequentially connected through an output pipeline (12) in the high-pressure jet system (1), and are finally connected with an air inlet of an abrasive mixing device (18).

6. The carbon dioxide micro-abrasive cutting machine tool and the processing method thereof as claimed in claim 1, wherein: the jet flow nozzle machining device comprises a machining control module (2), wherein the position of jet flow output by the nozzle is controlled by controlling a ball screw cantilever type two-axis sliding table (21) and an electromagnetic control plate (22).

7. The carbon dioxide micro-abrasive cutting machine tool and the processing method thereof as claimed in claim 1, wherein: the machine tool comprises (3) a machine tool base module, wherein (33) a worm gear and worm lifting device is fixed at the center of the bottom of the machine tool, (32) a workpiece fixing device is fixed on (33) the worm gear and worm lifting device, and a guide rail on an electromagnet protection cover in (323) the worm gear and worm lifting device (33) is matched with a sliding groove preset on a machine frame; the machining control module (2) is arranged above the workpiece fixing device (32) and fixed on the rack; the nozzle (191) is arranged on a sliding table of the ball screw cantilever type two-shaft sliding table (21) through a nozzle fixing frame (192); the (18) abrasive mixing device is arranged above the frame, and the gas-solid two-phase output port of the abrasive mixing device is connected with the (193) nozzle connector through the (12) output pipeline, and the (193) nozzle connector is connected with the nozzle.

8. The carbon dioxide micro-abrasive cutting machine tool and the processing method thereof as claimed in claim 1, wherein: comprises the following steps of (a) carrying out,

s1: placing a workpiece to be processed on a workpiece adsorption plate (321), starting (322) an electromagnet to adsorb the workpiece, and adjusting (33) a worm and gear lifting device to enable the workpiece to be processed to be at a proper height;

s2: a preprocessing route is set through matched software, the simulation feed is carried out, the position of a workpiece is finely adjusted, and then the movement speed of the ball screw cantilever type two-axis sliding table and the magnetic field intensity of the electromagnetic control panel are adjusted (21);

s3: adjusting (16) the flow valve to bring the gas pressure to a suitable level;

s4: opening (17) a valve for feeding, and starting processing;

s5: after machining is finished, closing the valve (17), the electromagnetic valve (15), the flow valve (16) and the electromagnet (322), and taking down the workpiece;

s6: and wiping the fixed table completely, and waiting for the next workpiece processing operation.

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