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CN-122007968-A - Self-adaptive driven cutting fluid discharge device

CN122007968ACN 122007968 ACN122007968 ACN 122007968ACN-122007968-A

Abstract

The invention relates to the technical field of machine tool parts, and discloses a self-adaptive driven cutting fluid discharge device which comprises a driven fluid driving mechanism and a buffer type fluid discharge mechanism, wherein the self-adaptive driven cutting fluid discharge device structurally comprises a hollow cylinder fixedly arranged at the center of a special-shaped hollow shell and having a hollow structure, a second piston plate which is arranged in the hollow cylinder and can move upwards under fluid pressure, and a spiral spring which can generate downward elastic pressure on the second piston plate. This self-adaptation driven cutting fluid discharging equipment can realize flowing back speed self-adaptation regulation, and accurate matching cutting operating mode can promote cutting fluid effective utilization ratio by a wide margin, reduces production consumptive material cost, ensures cutting process cooling timeliness, promotes processingquality and cutter life, and flowing back velocity of flow is even, pressure is stable, reinforces the lubricated effect of cooling, does not have extra independent drive unit simultaneously, simplifies the structure and reduces fault probability.

Inventors

  • CAI HOUDAO
  • ZHOU QIXING
  • LI SHUAI
  • HUANG YIWEI
  • CHEN RONGHUA
  • ZENG CHENGFU

Assignees

  • 赣南科技学院

Dates

Publication Date
20260512
Application Date
20260324

Claims (10)

  1. 1. A self-adaptive driven cutting fluid discharge device is characterized by comprising, The driven type liquid driving mechanism (1) structurally comprises a special-shaped hollow shell (11) with a hollow structure, a driven gear (115) which is arranged right above the special-shaped hollow shell (11) and can rotate, two first piston plates (19) which are symmetrically arranged inside the special-shaped hollow shell (11), a Z-shaped crankshaft (116) which rotates along with the driven gear (115) and can drive the two first piston plates (19) to reciprocate, and a first liquid one-way valve (17) and a second liquid one-way valve (18) which can control cutting fluid to be driven in a one-way mode; the buffer type liquid discharge mechanism (2) structurally comprises a hollow cylinder body (21) fixedly installed at the center of the special-shaped hollow shell (11) and having a hollow structure, a second piston plate (27) which is placed inside the hollow cylinder body (21) and can move upwards under liquid pressure, and a spiral spring (28) which can generate downward elastic pressure on the second piston plate (27).
  2. 2. The self-adaptive driven cutting fluid discharging device as claimed in claim 1, wherein the driven fluid driving mechanism (1) further comprises a main component mounting groove (12) concavely arranged at the bottom of the special-shaped hollow shell (11), the special-shaped hollow shell (11) is provided with fluid compression chambers (13) with opening structures at the tops at two sides of the main component mounting groove (12), the bottom end of each fluid compression chamber (13) is provided with a first fluid reserving chamber (14), the bottom end of each first fluid reserving chamber (14) is provided with a first butt joint channel (15) communicated with an external space, the side part of each first fluid reserving chamber (14) is provided with a second butt joint channel (16) communicated with the external space, a first fluid one-way valve (17) and a second fluid one-way valve (18) are respectively arranged in the first butt joint channel (15) and the second butt joint channel (16), a piston of each fluid compression chamber (13) is arranged in the piston and can move along the axial direction of the piston, a ball head (19) is provided with a hemispherical structure (111) arranged in the rotary groove (110), the shaft sleeve (113) is installed on the top of the movable rod (112), the shaft bodies of the two Z-shaped crankshafts (116) are installed on the top of the special-shaped hollow shell (11) through bearings and shaft body installation bases (114), driven gears (115) are fixedly installed on opposite ends of the two Z-shaped crankshafts (116), and the revolution shaft bodies of the Z-shaped crankshafts (116) are installed in the shaft sleeve (113).
  3. 3. The self-adaptive driven cutting fluid discharge device as claimed in claim 2, wherein the first liquid check valve (17) and the second liquid check valve (18) can control the liquid to enter the first liquid reserving cavity (14) from the first abutting channel (15) and be discharged outwards through the second abutting channel (16).
  4. 4. The self-adaptive driven cutting fluid discharging device as set forth in claim 3, wherein the two Z-shaped crankshafts (116) are symmetrically arranged in a staggered manner, and when the driven gear (115) rotates, the two Z-shaped crankshafts (116) drive the two first piston plates (19) to do opposite movements in the longitudinal direction.
  5. 5. The self-adaptive driven cutting fluid discharging device as claimed in claim 4, wherein the radius of the hemispherical installation groove (110) is matched with the radius of the rotating ball head (111), and the depth of the hemispherical installation groove (110) is larger than the radius of the rotating ball head (111) and smaller than the diameter of the rotating ball head (111).
  6. 6. The self-adaptive driven cutting fluid discharging device according to claim 5, wherein the buffer storage type fluid discharging mechanism (2) further comprises three upper connecting plates (22) integrally arranged at the bottom edge of the hollow cylinder body (21), the top structure of the hollow cylinder body (21) is fixedly arranged in the main component mounting groove (12), a fluid buffer storage cavity (23) is arranged in the hollow cylinder body (21), a second fluid reserved cavity (24) is arranged in the center of the bottom of the fluid buffer storage cavity (23), a fourth butt joint channel (26) communicated with an external space is arranged at the bottom of the second fluid reserved cavity (24), three butt joint channels (25) which are symmetrical and communicated with the external space are arranged at the side parts of the second fluid reserved cavity (24), each third butt joint channel (25) is fixedly connected with a corresponding second butt joint channel (16), a second piston plate (27) capable of axially moving along the piston is arranged in the fluid buffer storage cavity (23), and a plurality of spiral springs (28) are fixedly arranged above the second piston plate (27).
  7. 7. The self-adaptive driven cutting fluid discharging device as claimed in claim 6, wherein a plurality of said coil springs (28) are arranged in an annular array on top of said piston plate (27), and an initial length of said coil springs (28) is greater than a depth of said fluid buffer chamber (23).
  8. 8. The self-adaptive driven cutting fluid discharge device as claimed in claim 7, further comprising a distance-increasing type mounting mechanism (3) which comprises a component mounting plate (35) capable of being fixedly mounted on a machine tool shell and a plurality of upper longitudinal connecting rods (32) fixedly connected with the upper connecting plate (22) and enabling a pipeline mounting space to be arranged below the fourth butt joint channel (26).
  9. 9. The self-adaptive driven cutting fluid discharging device according to claim 8, wherein the distance-increasing mounting mechanism (3) further comprises a lower longitudinal connecting rod (34) integrally arranged on the upper surface of the component mounting plate (35), a branch connecting disc (31) is fixedly mounted on the top of the lower longitudinal connecting rod (34), three upper longitudinal connecting rods (32) are mounted at the edge of the upper surface of the branch connecting disc (31), and a lower connecting plate (33) fixedly connected with the upper connecting plate (22) is arranged on the top of the upper longitudinal connecting rod (32).
  10. 10. An adaptive driven cutting fluid discharge apparatus as set forth in claim 9, wherein three of said upper longitudinal links (32) are distributed in an annular array at the upper surface edge of said branch lands (31).

Description

Self-adaptive driven cutting fluid discharge device Technical Field The invention relates to the technical field of machine tool parts, in particular to a self-adaptive driven cutting fluid discharging device. Background The machine tool cutting fluid discharge device is a key matching component for cooling and lubricating a workpiece and a cutting tool in the cutting process of a machine tool, and the discharge efficiency and suitability of the device directly influence the machining precision of the machine tool, the service life of the tool and the utilization efficiency of the cutting fluid. At present, the main stream cutting fluid discharge devices in the market all adopt working modes of driving a pump body to operate by an external independent motor, and the pump body is driven by the motor to do work so as to extract the cutting fluid from a liquid storage container and convey the cutting fluid to a cutting part of a machine tool, so that the cooling and lubricating requirements in the machining process are met. However, the conventional discharge device has obvious technical defects in practical application, and the core problem is that the discharge speed of the cutting fluid and the cutting speed of the main shaft of the machine tool cannot be dynamically adapted, so that the problems of waste of the cutting fluid or insufficient discharge of the cutting fluid are caused, and the specific defects and causes are as follows: 1. The speed matching is poor, the cutting speed of the main shaft of the machine tool cannot be dynamically adjusted along with the cutting working condition, the cutting speed of the main shaft of the machine tool can be adjusted in real time according to the requirements of materials, specifications and processing technology of a processed workpiece, the motor of the traditional discharging device is an independent driving unit, the rotating speed and the liquid discharging speed of the pump body are fixed set values, and synchronous and self-adaptive adjustment cannot be carried out according to the real-time cutting speed of the main shaft of the machine tool. When the cutting speed of the main shaft is reduced, the fixed high liquid discharge speed can lead the supply quantity of the cutting liquid to exceed the actual processing requirement, so that a large amount of cutting liquid is wasted and invalid consumption is caused, and when the cutting speed of the main shaft is increased, the fixed low liquid discharge speed can not provide sufficient cooling and lubrication for a cutter and a workpiece which are cut at high speed, and the situation of insufficient discharge of the cutting liquid occurs. 2. The motor and the main shaft of the machine tool are two sets of mutually independent driving systems, the operation control of the motor and the main shaft of the machine tool has no linkage mechanism, the time difference and the rotation speed matching error are easy to generate in the starting and stopping of the equipment and the rotation speed adjusting process, the accurate synchronization of the liquid discharging speed and the cutting speed cannot be realized, the change rhythm of the cutting speed of the main shaft is difficult to keep pace with in real time even if the rotation speed of the motor is manually adjusted, and the operation hysteresis and the precision deviation exist in manual adjustment, so that the continuous and efficient processing requirement of the machine tool cannot be met. 3. The problem of follow-up processing caused by unbalance of the adaptation is that when the discharge of the cutting fluid is insufficient, a large amount of heat generated by high-speed cutting cannot be timely dissipated, the thermal deformation of a workpiece processing surface is easily caused, a cutter is easily worn out rapidly due to high temperature, the workpiece processing precision is reduced, the service life of the cutter is prolonged, the consumable cost in the production process is increased due to excessive waste of the cutting fluid, the follow-up process load of recovery and treatment of the cutting fluid is also improved, and the design concept of energy conservation and high efficiency of machine tool processing is not met. In summary, the existing cutting fluid discharging device driven by an external motor has the core problem of poor adaptability of the fluid discharge speed due to the lack of a self-adaptive linkage mechanism with the cutting speed of the main shaft of the machine tool, and derives a series of defects of waste of the cutting fluid, insufficient cooling and lubrication and the like, so that the requirements of the modern machine tool on high-precision, high-efficiency and energy-saving processing development cannot be met, and the development of the cutting fluid discharging device capable of dynamically adapting to the cutting speed of the main shaft of the machine tool is needed to be urgently researched so as to solve the defec