CN106882918B - Micro-nano nozzle forging instrument and forging method - Google Patents

Micro-nano nozzle forging instrument and forging method Download PDF

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Publication number
CN106882918B
CN106882918B CN201710226151.2A CN201710226151A CN106882918B CN 106882918 B CN106882918 B CN 106882918B CN 201710226151 A CN201710226151 A CN 201710226151A CN 106882918 B CN106882918 B CN 106882918B
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motor
forging
heating
micro
sliding part
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CN106882918A (en
Inventor
李渊
杨晓宏
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Guizhou University
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Guizhou University
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    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00Re-forming shaped glass
    • C03B23/04Re-forming tubes or rods
    • C03B23/047Re-forming tubes or rods by drawing

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)

Abstract

The invention discloses a micro-nano nozzle forging instrument device and a forging method, wherein the forging instrument device comprises a base and a back plate, a heating wire clamping mechanism and a drawing and forging needle movement mechanism are arranged on the back plate, the heating wire clamping mechanism comprises a heating groove and a heating base, the heating groove is arranged on the heating base, and the heating wire clamping mechanism is used for heating a glass tube; the drawing and forging needle movement mechanism comprises a clamping part, a sliding part and a driving device, wherein the clamping part is used for clamping the glass tube, the clamping part is arranged on the sliding part and moves along with the sliding part, and the driving device is used for driving the sliding part to move so as to realize the drawing process; compared with the prior art, the invention has the characteristics of simple structure, convenient installation, easy use and the like, improves the reliability and accuracy in the forging process of the micro-nano nozzle, solves the problems of difficult control, non-uniform deformation, time and labor waste, low product qualification rate and the like of the caliber of the micro-nano nozzle in the traditional forging process, and is suitable for manufacturing large-batch glass micro-nano nozzles in laboratories and factories.

Description

Micro-nano nozzle forging instrument and forging method
Technical Field
The invention relates to a micro-nano nozzle forging instrument device and a forging method, and belongs to the field of glass micro-nano nozzle manufacturing.
Background
The 3D printing technology has spawned a higher demand for nozzles, which is a great clamp for the printing category of printers. The 3D printer with finer nozzles can certainly play a larger role, such as the fields of MEMS manufacturing, genetic engineering, tissue culture, chip printing, display screen printing and the like. Therefore, the development of finer micro-nano nozzles is helpful for expanding the application field of the 3D printer nozzle, can promote the development of the manufacturing industry in China, and caters for 'intelligent manufacturing 2025 in China'.
At present, a common micro-nano nozzle manufacturing device comprises a horizontal type drawing needle instrument, a vertical type drawing needle instrument and a forging needle instrument, wherein the drawing needle instrument is horizontal and vertical, and a heated glass pipeline is pulled away from the middle by means of aerodynamic force, electromagnetic force, gravity and the like; the forging process of the forging needle instrument is to heat a glass pipeline or a drawn micro-nozzle outlet, the temperature is increased to enable the glass to melt, the viscosity is reduced, the surface tension is acted to enable the port to deform and shrink, and the port is formed into a required shape. When the device is applied to a micro-nano nozzle of a printer, the device has the effects of quickly shrinking liquid and obtaining tiny liquid drops, in particular to a device for testing the feasibility of a solution, and has important application value for checking whether the solution is qualified or not; when the method is applied to genetic engineering and chip sample application, micro-nano nozzles of micrometer or even nanometer level are required for operation; when the micro-nano nozzle is used as a cell micro-clamp, a specially-forged port micro-nano nozzle is required, and the forging operation is carried out on the drawn micro-nano nozzle, so that the residual stress of the micro-nano nozzle in the drawing process can be effectively improved, and the performance is improved. Therefore, the micro-nano nozzle with good uniformity and high quality reliability is required to be manufactured, the micro-nano nozzle is not only related to the field of micro-nano nozzles, but also is beneficial to the development of other fields, and the micro-nano nozzle has a pushing effect on intelligent manufacturing.
Disclosure of Invention
The invention aims to solve the technical problems that: the device and the forging method for forging the micro-nano nozzle are provided, so that the problems of low efficiency, single shape and low precision of the conventional manual drawing are solved, and the micro-nano nozzle with accurate size can be obtained, so that the defects of the prior art are overcome.
The technical scheme of the invention is as follows: the micro-nano nozzle forging instrument device comprises a base and a back plate, wherein a heating wire clamping mechanism and a drawing forging needle movement mechanism are arranged on the back plate, the heating wire clamping mechanism comprises a heating groove and a heating base, the heating groove is arranged on the heating base, and the heating wire clamping mechanism is used for heating a glass tube; the drawing and forging needle movement mechanism comprises a clamping part, a sliding part and a driving device, wherein the clamping part is used for clamping the glass tube, the clamping part is arranged on the sliding part and moves along with the sliding part, and the driving device is used for driving the sliding part to move so as to realize the drawing process.
The clamping part comprises a clamping knob, a supporting block and a sliding table, wherein the supporting block is arranged on the sliding table, the clamping knob is arranged on the supporting block, and when the clamping knob moves towards the sliding table, a glass tube arranged between the supporting block and the sliding table can be clamped.
The sliding part comprises a sliding rail, a connecting rod bearing, a cylindrical connecting rod and a sliding table, wherein the sliding rail is arranged on the back plate, the connecting rod bearing used for supporting the cylindrical connecting rod is arranged on the sliding rail, one end of the cylindrical connecting rod is connected with the sliding table, the other end of the cylindrical connecting rod is connected with the driving device, and the sliding table is arranged on the sliding rail.
The driving device comprises a linkage connector, a motor and a screw rod, wherein one end of the linkage connector is connected with the sliding part, the other end of the linkage connector is connected with a nut on the screw rod, the screw rod on the screw rod is connected with an output shaft of the motor, the motor is connected to the back plate through a motor fixing plate, and when the motor output shaft rotates to drive the screw rod on the screw rod to rotate, the nut on the screw rod drives the linkage connector to move up and down, so that the sliding part can move up and down.
The driving device further comprises a screw micrometer, the screw micrometer comprises a knob, a scale, a micrometer bearing, a movable shaft, balls and a fixed cover, wherein the knob is sleeved outside the scale through threads and can rotate around the scale, the scale is fixed on the fixed cover, the fixed cover is rigidly connected to a motor fixing plate through a bracket, the movable shaft is rigidly connected to an inner cavity of the knob, the micrometer bearing is arranged between the movable shaft and the scale, an outer groove for placing the balls is arranged along the axial direction of the movable shaft, an inner groove for placing the balls is arranged on the wall surface of the inner cavity of an output shaft of the motor along the axial direction of the outer groove, and the movable shaft is connected to the inner cavity of the output shaft of the motor through the balls; when the motor stops running, the rotary knob can drive the movable shaft to move up and down and rotate, and the movable shaft can drive the output shaft of the motor to rotate through the balls, so that the sliding part can move up and down; when the motor runs, the output shaft of the motor rotates to drive the movable shaft to rotate and move up and down, and the stroke of the movable shaft can be displayed through the scale.
The back plate is provided with an upper travel limit switch and a lower travel limit switch which are used for limiting the upper travel and the lower travel of the sliding part, and the upper travel limit switch and the lower travel limit switch are respectively connected with the control end of the motor through a controller.
The heating groove is round, triangular, rectangular or prismatic.
The beneficial effects of the invention are as follows: compared with the prior art, the invention has the characteristics of simple structure, convenient installation, easy use and the like, improves the reliability and accuracy in the forging process of the micro-nano nozzle, solves the problems of difficult control, non-uniform deformation, time and labor waste, low product qualification rate and the like of the caliber of the micro-nano nozzle in the traditional forging process, and is suitable for manufacturing large-batch glass micro-nano nozzles in laboratories and factories.
Drawings
FIG. 1 is a schematic diagram of a front view structure of a micro-nano nozzle drawing forging instrument of the invention;
FIG. 2 is a left side view of the micro-nano nozzle pull forging apparatus of the present invention;
FIG. 3 is a right side view of the micro-nano nozzle pull forging apparatus of the present invention;
FIG. 4 is a rear view of the micro-nano nozzle pull forging apparatus of the present invention;
FIG. 5 is a schematic view of the structure of the upper clamping part of the moving mechanism of the pull forging needle in the present invention;
FIG. 6 is a schematic diagram of a screw micrometer according to the present invention;
FIG. 7 is a schematic diagram of the connection structure of the screw micrometer and the motor according to the present invention;
FIG. 8 is a schematic structural view of a connecting part between an inner cavity at the upper end of an output shaft and a movable shaft of a motor;
FIG. 9 is a schematic view showing a connection structure between a moving shaft of a micrometer screw and a ball in the present invention;
FIG. 10 is a top view of FIG. 9;
reference numerals illustrate: the device comprises a 1-base, a 2-lower travel limit switch, a 3-side wall, a 4-back plate, a 5-upper travel limit switch, a 6-clamping knob, a 7-supporting block, an 8-heating base, a 9-air inlet, a 10-outer groove, an 11-inner groove, a 12-heating groove, a 13-cylindrical connecting rod, a 14-fixed cover, a 15-support, a 16-motor, a 17-sliding table, an 18-knob, a 19-motor fixing plate, a 20-linkage connector, a 21-screw rod, a 23-moving shaft, a 24-connecting rod bearing, a 25-sliding rail, a 26-scale, a 27-output shaft, a 28-micrometer bearing and a 29-ball.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific examples:
referring to fig. 1 to 10, the micro-nano nozzle forging apparatus device of the invention comprises a base 1 and a back plate 4, wherein a heating wire clamping mechanism and a drawing forging needle movement mechanism are arranged on the back plate 4, the heating wire clamping mechanism comprises a heating groove 12 and a heating base 8, the heating groove 12 is arranged on the heating base 8, and the heating wire clamping mechanism is used for heating a glass tube; the drawing and forging needle movement mechanism comprises a clamping part, a sliding part and a driving device, wherein the clamping part is used for clamping the glass tube, the clamping part is arranged on the sliding part and moves along with the sliding part, and the driving device is used for driving the sliding part to move so as to realize the drawing process.
Specifically, the clamping part comprises a clamping knob 6, a supporting block 7 and a sliding table 17, wherein the supporting block 7 is arranged on the sliding table 17, the clamping knob 6 is arranged on the supporting block 7, and when the clamping knob 6 moves towards the sliding table 17, a glass tube arranged between the supporting block 7 and the sliding table 17 can be clamped.
Specifically, the sliding part comprises a sliding rail 25, a connecting rod bearing 24, a cylindrical connecting rod 13 and a sliding table 17, wherein the sliding rail 25 is arranged on the back plate 4, the connecting rod bearing 24 for supporting the cylindrical connecting rod 13 is arranged on the sliding rail 25, one end of the cylindrical connecting rod 13 is connected with the sliding table 17, the other end of the cylindrical connecting rod 13 is connected with a driving device, and the sliding table 17 is arranged on the sliding rail 25.
Specifically, the driving device comprises a linkage connector 20, a motor 16 and a screw rod 21, one end of the linkage connector 20 is connected with the cylindrical connecting rod 13 of the sliding part, the other end of the linkage connector 20 is connected with a nut on the screw rod 21, the screw rod on the screw rod 21 is connected with an output shaft 27 of the motor 16, the motor 16 is connected to the back plate 4 through a motor fixing plate 19, and when the output shaft 27 of the motor 16 rotates to drive the screw rod 21 on the screw rod 21 to rotate, the nut on the screw rod 21 drives the linkage connector 20 to move up and down, so that the sliding part can move up and down.
Specifically, the driving device further comprises a screw micrometer, the screw micrometer comprises a knob 18, a scale 26, a micrometer bearing 28, a moving shaft 23, a ball 29 and a fixed cover 14, wherein the knob 18 is sleeved outside the scale 26 through threads and can rotate around the scale 26, the scale 26 is fixed on the fixed cover 14, the fixed cover 14 is rigidly connected to a motor fixing plate 19 through a bracket 15, the moving shaft 23 is rigidly connected to the inner cavity of the knob 18, the micrometer bearing 28 is arranged between the moving shaft 23 and the scale 26, an outer groove 10 for placing the ball 29 is arranged along the axial direction of the moving shaft 23, an inner groove 11 for placing the ball 29 is arranged along the axial direction of the inner cavity wall surface of an output shaft 27 of the motor 16, and the moving shaft 23 is connected to the inner cavity of the output shaft 27 of the motor 16 through the ball 29; when the motor 16 stops running, the rotary knob 18 can drive the movable shaft 23 to move up and down and rotate, and the movable shaft 23 can drive the output shaft 27 of the motor 16 to rotate through the ball 29, so that the up and down movement of the sliding part can be realized; when the motor 16 is operated, the output shaft 27 of the motor 16 rotates to drive the movable shaft 23 to rotate and move up and down, and the stroke thereof is displayed by the scale 26.
The back plate 4 is provided with an upper travel limit switch 5 and a lower travel limit switch 2 for limiting the upper and lower travel of the sliding part, the upper travel limit switch and the lower travel limit switch are respectively connected with the control end of the motor 16 through a controller, and when the travel of the linkage connector 20 touches the upper travel limit switch 5 or the lower travel limit switch 2, the controller cuts off the power supply of the motor 16, so that the device is effectively protected.
The heating groove 12 is circular, triangular, rectangular or prismatic in shape to accommodate glass tubes of different diameters. In addition, an air inlet 9 is arranged at the bottom of the heating groove 12, namely the back plate 4, and can be connected with devices such as an air pump and the like to provide cooling measures and provide a good forging environment for the forging process.
The working principle of the invention is as follows: during forging, the glass tube is clamped by the drawing and forging needle moving mechanism, then the motor 16 is operated to drive the screw rod on the screw rod 21 to rotate, the nut on the screw rod 21 is driven to move up and down, and the linkage connector 20 is driven to move up and down, so that the glass tube is close to or far away from the heating wire clamping mechanism, and the forging process is realized. In particular, during forging, the motor 16 can be used to effect movement, and process adjustment can be effected by a screw micrometer.
The motor 16 in the present invention is preferably a stepper motor.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.

Claims (4)

1. The utility model provides a little nozzle forging appearance device that receives, includes base (1) and backplate (4), its characterized in that: the back plate (4) is provided with a heating wire clamping mechanism and a drawing and forging needle movement mechanism, wherein the heating wire clamping mechanism comprises a heating groove (12) and a heating base (8), the heating groove (12) is arranged on the heating base (8), and the heating wire clamping mechanism is used for heating a glass tube; the drawing and forging needle movement mechanism comprises a clamping part, a sliding part and a driving device, wherein the clamping part is used for clamping a glass tube, the clamping part is arranged on the sliding part and moves along with the sliding part, and the driving device is used for driving the sliding part to move so as to realize the drawing process;
the driving device comprises a linkage connector (20), a motor (16) and a screw rod (21), wherein one end of the linkage connector (20) is connected with the sliding part, the other end of the linkage connector is connected with a nut on the screw rod (21), the screw rod on the screw rod (21) is connected with an output shaft (27) of the motor (16), the motor (16) is connected to the back plate (4) through a motor fixing plate (19), and when the output shaft (27) of the motor (16) rotates to drive the screw rod (21) on the screw rod (21) to rotate, the nut on the screw rod (21) drives the linkage connector (20) to move up and down, so that the sliding part can move up and down;
the driving device further comprises a screw micrometer, the screw micrometer comprises a knob (18), a scale (26), a micrometer bearing (28), a moving shaft (23), balls (29) and a fixed cover (14), wherein the knob (18) is sleeved outside the scale (26) through threads and can rotate around the scale (26), the scale (26) is fixed on the fixed cover (14), the fixed cover (14) is rigidly connected to a motor fixing plate (19) through a bracket (15), a moving shaft (23) is rigidly connected to an inner cavity of the knob (18), a micrometer bearing (28) is arranged between the moving shaft (23) and the scale (26), an outer groove (10) for placing the balls (29) is arranged along the axial direction of the moving shaft (23), an inner groove (11) for placing the balls (29) is formed in the inner cavity wall surface of an output shaft (27) of the motor (16) along the axial direction of the motor, and the moving shaft (23) is connected to the inner cavity of the output shaft (27) of the motor (16) through the balls (29); when the motor (16) stops running, the rotary knob (18) can drive the movable shaft (23) to move up and down and rotate, and the movable shaft (23) can drive the output shaft (27) of the motor (16) to rotate through the balls (29), so that the sliding part can move up and down; when the motor (16) runs, an output shaft (27) of the motor (16) rotates to drive the moving shaft (23) to rotate and move up and down, and the stroke of the moving shaft can be displayed through the scale (26);
the clamping part comprises a clamping knob (6), a supporting block (7) and a sliding table (17), wherein the supporting block (7) is arranged on the sliding table (17), the clamping knob (6) is arranged on the supporting block (7), and when the clamping knob (6) moves towards the sliding table (17), a glass tube arranged between the supporting block (7) and the sliding table (17) can be clamped.
2. The micro-nano nozzle forging apparatus as set forth in claim 1, wherein: the sliding part comprises a sliding rail (25), a connecting rod bearing (24), a cylindrical connecting rod (13) and a sliding table (17), wherein the sliding rail (25) is arranged on the back plate (4), the connecting rod bearing (24) used for supporting the cylindrical connecting rod (13) is arranged on the sliding rail (25), one end of the cylindrical connecting rod (13) is connected with the sliding table (17), the other end of the cylindrical connecting rod (13) is connected with the driving device, and the sliding table (17) is arranged on the sliding rail (25).
3. The micro-nano nozzle forging apparatus as set forth in claim 1, wherein: an upper travel limit switch (5) and a lower travel limit switch (2) for limiting the upper and lower travel of the sliding part are arranged on the back plate (4), and are respectively connected with the control end of the motor (16) through a controller.
4. The micro-nano nozzle forging apparatus as set forth in claim 1, wherein: the heating groove (12) is round, triangular, rectangular or prismatic in shape.
CN201710226151.2A 2017-04-08 2017-04-08 Micro-nano nozzle forging instrument and forging method Active CN106882918B (en)

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CN106882918B true CN106882918B (en) 2023-07-21

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Publication number Priority date Publication date Assignee Title
CN112028460B (en) * 2020-07-31 2022-05-31 北京工业大学 Manufacturing device and method of glass nozzle for metal micro-droplet preparation

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CN104099239A (en) * 2014-07-10 2014-10-15 中国农业科学院北京畜牧兽医研究所 Producing method of micromanipulation holding needle

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Publication number Priority date Publication date Assignee Title
CN101805116A (en) * 2010-04-08 2010-08-18 李玉生 Process for producing superfine high-purity quartz glass pipe for high-temperature sensor
CN104099239A (en) * 2014-07-10 2014-10-15 中国农业科学院北京畜牧兽医研究所 Producing method of micromanipulation holding needle

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