Search

CN-122007970-A - High-precision numerical control lathe with intelligent chip removal function and control method thereof

CN122007970ACN 122007970 ACN122007970 ACN 122007970ACN-122007970-A

Abstract

The invention discloses a high-precision numerical control lathe with intelligent chip removal function and a control method thereof, relating to the field of numerical control lathes, wherein the device comprises a lathe body, a turning unit and a cutting fluid circulation unit, the current cutting action is judged by detecting the water level of a sewage tank, when the water level reaches a preset threshold value, the output power of a liquid supply pump is automatically regulated at the moment, the opening of a throttle electromagnetic valve is automatically matched, so that the digital display of a pressure gauge is in a preset interval, therefore, the constant-pressure variable-flow control of the vortex separator is realized, the separation effect and the equipment safety are ensured, the paper feeding speed of the paper tape filter is actively regulated along with the change of the reflux quantity of the cutting fluid, the waste caused by too fast paper moving speed is avoided, meanwhile, the blockage caused by too slow paper moving is avoided, the filter paper is reasonably and efficiently utilized, the self-adaptive regulation of the cutting fluid system is realized, the supply of the cutting fluid is ensured, the stable and continuous operation of the whole cutting fluid system is ensured, and the negative influence caused by shutdown is avoided.

Inventors

  • DAI JIANFENG

Assignees

  • 衢州市技师学院(衢州市工程技术学校)

Dates

Publication Date
20260512
Application Date
20260410

Claims (10)

  1. 1. The utility model provides a high accuracy numerical control lathe with intelligence chip removal function which characterized in that includes: a lathe body (1); a turning unit comprising a spindle (2) and a movable turret (3) mounted in the lathe body (1); A cutting fluid circulation unit comprising a cutting fluid nozzle (6), a slag interception tank (8), a sewage tank (10), a clean water tank (11), a vortex separator (13) and a paper tape filter (14); the cutting fluid nozzle (6) is arranged on the movable cutter tower (3) and is connected with the clean water tank (11); the slag interception box (8) is arranged at the inner bottom of the lathe main body (1); the sewage tank (10) and the water purifying tank (11) are arranged in parallel and are communicated with the inside of one side of the lathe main body (1), and the sewage tank (10) and the slag intercepting tank (8) are communicated in an overflow mode; a liquid supply pump (133), a throttle electromagnetic valve (134) and a pressure gauge (135) are arranged between the input end of the vortex separator (13) and the sewage tank (10), a water level sensor (18) is arranged in the sewage tank (10), the liquid supply pump (133) automatically changes frequency according to a feedback signal of the water level sensor (18), and the throttle electromagnetic valve (134) actively adjusts the flow according to the output power of the liquid supply pump (133) so as to enable the numerical value of the pressure gauge (135) to be in a preset interval; The paper tape filter (14) is arranged between the output end of the vortex separator (13) and the clean water tank (11), a feed water row (146) is arranged on the paper tape filter (14), a plurality of rows of feed holes (1462) are distributed on the feed water row (146) in a stepped mode, so that cutting fluid uniformly falls into the paper tape filter (14), and the paper tape filter (14) adjusts the paper tape speed in a self-adaptive mode according to the flow of the throttling solenoid valve (134) to ensure effective utilization of paper tape.
  2. 2. The high-precision numerical control lathe with the intelligent chip removal function according to claim 1 is characterized in that an industrial computer (4) is fixedly installed on the lathe main body (1), the industrial computer (4) is in control connection with a turning unit and a cutting fluid circulation unit, and a tailstock (7) opposite to the main shaft (2) is fixedly installed in the lathe main body (1).
  3. 3. The high-precision numerical control lathe with the intelligent chip removal function according to claim 1, wherein a guide plate (5) is fixedly arranged in the lathe body (1) and positioned at the top of the slag interception box (8), a primary filter screen (82) is fixedly arranged in the slag interception box (8), the primary filter screen (82) separates the interior of the slag interception box (8) to form a slag area (84) and a filtrate area (86), and one end of the guide plate (5) is inclined downwards and is opposite to the slag area (84) so that cutting fluid enters the slag area (84) and then blocks large-particle waste residues through the primary filter screen (82).
  4. 4. The high-precision numerical control lathe with intelligent chip removal function according to claim 3, wherein one end of the slag charge area (84) is fixedly provided with a secondary filter screen (83), the secondary filter screen (83) is L-shaped, the secondary filter screen (83) and the side wall of the slag charge interception box (8) are surrounded to form a fine material filtering area (85), two sides of the material guide plate (5) incline towards the middle part so as to prevent cutting fluid on the material guide plate (5) from entering the fine material filtering area (85), the bottom end of the vortex separator (13) is fixedly provided with a slag discharge pipe (136), and the other end of the slag discharge pipe (136) inclines downwards and extends into the fine material filtering area (85).
  5. 5. The high-precision numerically controlled lathe with the intelligent chip removal function according to claim 4, wherein an overflow pipe (87) is fixedly arranged on one side of the filtrate area (86), an overflow inlet (12) is formed in the side wall of the sewage tank (10), and the overflow pipe (87) is movably inserted into the overflow inlet (12) so that cutting fluid after large-particle waste residue interception is fed into the sewage tank (10).
  6. 6. The high-precision numerically controlled lathe with intelligent chip removal function according to claim 1, wherein a water supply pipe (132) is arranged between the output end of the vortex separator (13) and the liquid supply pump (133), the throttle solenoid valve (134) and the pressure gauge (135) are both arranged on the water supply pipe (132), a water discharge pipe (137) is arranged at the top end of the vortex separator (13), and the other end of the water discharge pipe (137) is connected with the water supply row (146).
  7. 7. The high-precision numerically controlled lathe with the intelligent chip removal function according to claim 1, wherein an inclined guide plate (148) is fixedly arranged in the paper tape filter (14), two ends of the inclined guide plate (148) are respectively provided with a feeding roller (142) and a receiving roller (143) in a rotating mode, filter paper (145) is wound between the feeding roller (142) and the receiving roller (143), the filter paper (145) is attached to the top of the inclined guide plate (148), a water inlet hole (147) connected with the water purifying tank (11) is formed in the bottom of the paper tape filter (14), and a servo motor (144) for driving the receiving roller (143) to rotate is fixedly arranged on one side of the paper tape filter (14).
  8. 8. The high-precision numerically controlled lathe with intelligent chip removal function according to claim 7, wherein guide parts (1482) are naturally formed on two sides of the inclined guide plate (148) in an inclined manner towards the middle so as to enable a filtering area to be naturally formed on the middle of filter paper (145) paved on the inclined guide plate (148), the feeding holes (1462) are opposite to the filtering area, and a plurality of permeable grids (1483) are arranged on the inclined guide plate (148) so as to enable the filtering area to naturally form concave positions for intercepting filter residues to prevent the filter residues from sliding downwards and accumulating.
  9. 9. The high-precision numerically controlled lathe with the intelligent chip removal function according to claim 1, wherein an ultrasonic defoamer (15) and a heat exchange tube (17) are installed in the clean water tank (11), a circulating refrigerator (9) connected with the heat exchange tube (17) is installed on the outer wall of the lathe body (1), and a jet pump (16) is installed between the clean water tank (11) and the cutting fluid nozzle (6).
  10. 10. A control method of a high-precision numerically controlled lathe with intelligent chip removal function, which is used for controlling the high-precision numerically controlled lathe with intelligent chip removal function as set forth in any one of claims 1 to 9, and is characterized by comprising the following steps: s1, a water level sensor (18) monitors the water level of a sewage tank (10), and real-time power of a liquid supply pump (133) is regulated by designing water level thresholds Hmax and Hmin; s2, matching the opening and closing degree of a throttle solenoid valve (134) according to the power of a liquid supply pump (133), and ensuring that the pressure value of a pressure gauge (135) is in a preset interval; s3, the paper tape filter (14) adjusts the paper tape winding speed according to the flow of the throttling electromagnetic valve (134) so as to ensure the effective utilization of the paper tape.

Description

High-precision numerical control lathe with intelligent chip removal function and control method thereof Technical Field The invention relates to the field of numerically controlled lathes, in particular to a high-precision numerically controlled lathe with an intelligent chip removal function and a control method thereof. Background The high-precision numerical control lathe is a turning and milling compound machine tool, multiple working procedures such as turning, milling, drilling and tapping are completed by adding a milling main shaft, a power head and a Y-axis and matching a multi-axis linkage system, a high-rigidity structure and a tool magazine, the precision of the lathe can be comparable to that of a four-axis milling machine, and meanwhile, in the working process, intelligent spraying cooling and cutting fluid circulation are realized by a built-in cutting fluid system. However, in actual machining, the numerically controlled lathe generally does not have an automatic feeding and feeding function, so that in the machining process, when one machining process is finished or one workpiece is machined, workpiece feeding and discharging are needed, at the moment, a cutting fluid system stops along with the stopping of the machining process, and is restarted after a new workpiece is replaced, so that a vortex separator and a paper tape filter in the cutting fluid system need to be frequently started and stopped, otherwise, the condition that the liquid level in a sewage tank is too low to cause idling of an industrial pump and the vortex separator, and a clean water tank is exploded, equipment damage is caused in the frequent starting and stopping process, and meanwhile, the filtering quality of the cutting fluid fluctuates. Disclosure of Invention The invention aims to provide a high-precision numerical control lathe with an intelligent chip removal function and a control method thereof, so as to solve the problems in the background art. In order to achieve the purpose, the invention provides the following technical scheme that the high-precision numerical control lathe with the intelligent chip removal function comprises: A lathe body; A turning unit including a spindle and a movable turret mounted in the lathe body; The cutting fluid circulation unit comprises a cutting fluid nozzle, a slag interception tank, a sewage tank, a clean water tank, a vortex separator and a paper tape filter; The cutting fluid nozzle is arranged on the movable cutter tower and is connected with the clean water tank; the slag charge interception box is arranged at the inner bottom of the lathe main body; The sewage tank and the water purifying tank are arranged in parallel and are communicated with the inside of one side of the lathe main body in an overflow mode; A liquid supply pump, a throttle electromagnetic valve and a pressure gauge are arranged between the input end of the vortex separator and the sewage tank, a water level sensor is arranged in the sewage tank, and the liquid supply pump automatically changes frequency according to a feedback signal of the water level sensor; The paper tape filter is arranged between the output end of the vortex separator and the clean water tank, a feeding water row is arranged on the paper tape filter, a plurality of rows of feeding holes are distributed on the feeding water row in a stepped mode, so that cutting fluid uniformly falls into the paper tape filter, and the paper tape filter adjusts the paper tape speed in a self-adaptive mode according to the flow of the throttling electromagnetic valve to ensure effective utilization of paper tape. Preferably, an industrial computer is fixedly arranged on the lathe main body, the industrial computer is in control connection with the turning unit and the cutting fluid circulation unit, and a tailstock which is opposite to the main shaft is fixedly arranged in the lathe main body. Preferably, the inside of lathe main part and be located the top fixed mounting of slag charge interception case has the stock guide, the inside fixed mounting of slag charge interception case has one-level filter screen, one-level filter screen will slag charge interception case internal partition forms slag charge district and filtrate district, the one end downward sloping of stock guide just is right the slag charge district, so that cutting fluid gets into behind the slag charge district pass through one-level filter screen blocks large granule waste residue. Preferably, one end fixed mounting in slag charge district has the secondary filter screen, the secondary filter screen is L type, the secondary filter screen with the lateral wall of slag charge interception case surrounds and forms the fine material filtration district, the both sides of stock guide are inclined to the middle part, in order to avoid stock guide upper cutting fluid gets into the fine material filtration district, vortex separator's bottom fixed mounting has the scum pipe, the ot