CN115466043A - Glass capillary needle point drawing equipment - Google Patents
Glass capillary needle point drawing equipment Download PDFInfo
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- CN115466043A CN115466043A CN202211101420.XA CN202211101420A CN115466043A CN 115466043 A CN115466043 A CN 115466043A CN 202211101420 A CN202211101420 A CN 202211101420A CN 115466043 A CN115466043 A CN 115466043A
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- 239000011521 glass Substances 0.000 title claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 143
- 238000010438 heat treatment Methods 0.000 claims abstract description 78
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000009963 fulling Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000520 microinjection Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/04—Re-forming tubes or rods
- C03B23/047—Re-forming tubes or rods by drawing
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/04—Re-forming tubes or rods
- C03B23/09—Reshaping the ends, e.g. as grooves, threads or mouths
- C03B23/091—Reshaping the ends, e.g. as grooves, threads or mouths by drawing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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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 provides a glass capillary needle tip drawing device, comprising: the needle pushing mechanism is arranged on the feeding component and comprises a first needle pressing mechanism, a second needle pressing mechanism and a driving component; the first needle pressing mechanism and the second needle pressing mechanism are arranged on the mounting table board in a sliding mode along the same straight line, and are respectively arranged on two sides of the heating assembly; the first needle pressing mechanism and the second needle pressing mechanism are used for pressing and fixing two ends of a workpiece to be machined, and the heating assembly is used for heating the workpiece to be machined; the needle pushing mechanism is arranged on one side of the first needle pressing mechanism, and the first needle pressing mechanism is positioned between the heating assembly and the needle pushing mechanism; the needle pushing mechanism is used for sequentially pushing the workpiece to be processed into the heating assembly and the second needle pressing mechanism from the first needle pressing mechanism; the driving component is connected with the first needle pressing mechanism and the second needle pressing mechanism in a driving mode. The invention realizes the effects that one device can draw different needle type needle points, the needle points have consistent length and the needles are automatically installed and pulled.
Description
Technical Field
The invention relates to the technical field of micro-injection equipment, in particular to glass capillary tip drawing equipment.
Background
In the prior art, an electrical heating method is usually used to heat a glass blank tube and then draw the glass blank tube into a needle blank, because when a drawing needle point is heated, two ends of the glass blank tube need to be simultaneously stretched at a constant speed after being heated in the middle of the blank tube, and two needle blanks with the same needle point length and shape can be drawn.
At present, a single blank tube is usually arranged on a device to draw a needle blank by manual assistance in a needle point drawing device, because the placing of the blank tube and the drawing process of two ends of a needle point can be completed by the manual assistance, the length and the shape of the needle point of the two needle blanks after the needle point is drawn are not uniform easily due to the factor of errors of the manual assistance, the drawn needle blanks can not meet the use requirement, and even if the needle blanks can be used, the needle blanks can not be widely used due to the low success rate of needle point drawing.
The patent document with publication number CN202945150U discloses a glass capillary tube needle drawing instrument, which mainly comprises a main support, capillary tube clamps, capillary tubes, slide blocks, slide rails, heating rings, a power line, a power supply and a power plug, and is characterized in that thick iron wires are welded to form the main support, a pair of vertical slide rails are arranged on the main support, the capillary tube clamps for fixing the upper ends of the glass capillary tubes are arranged above the slide rails, the slide blocks capable of sliding up and down are arranged below the slide rails, the capillary tube clamps for fixing the lower ends of the glass capillary tubes are arranged above the slide rails, the heating rings made of electric furnace wires are arranged on the slide rails between the two clamps, and two ends of each heating ring are connected to a power supply capable of changing voltage or current. However, this patent document is different from the technical means of the present application.
Disclosure of Invention
In view of the deficiencies in the prior art, it is an object of the present invention to provide a glass capillary tip drawing apparatus.
According to the present invention, there is provided a glass capillary tip drawing apparatus comprising: the needle pushing mechanism is arranged on the feeding component and comprises a first needle pressing mechanism, a heating component, a second needle pressing mechanism and a driving component; the feeding assembly is used for placing a workpiece to be processed on the first needle pressing mechanism;
the first needle pressing mechanism and the second needle pressing mechanism are arranged on the mounting table top in a sliding mode along the same straight line, and the first needle pressing mechanism and the second needle pressing mechanism are arranged on two sides of the heating assembly respectively; the first needle pressing mechanism and the second needle pressing mechanism are used for pressing and fixing two ends of a workpiece to be processed, and the heating assembly is used for heating the workpiece to be processed;
the needle pushing mechanism is arranged on one side of the first needle pressing mechanism, and the first needle pressing mechanism is positioned between the heating assembly and the needle pushing mechanism; the needle pushing mechanism is used for sequentially pushing a workpiece to be processed into the heating assembly and the second needle pressing mechanism from the first needle pressing mechanism;
the driving assembly is in driving connection with the first needle pressing mechanism and the second needle pressing mechanism.
Preferably, the drive assembly comprises a slide drive assembly and a draw drive assembly;
the sliding driving assembly and the drawing driving assembly are in driving connection with the first needle pressing mechanism and the second needle pressing mechanism;
the sliding driving assembly is used for driving the first needle pressing mechanism and the second needle pressing mechanism to be close to the heating assembly, and the drawing driving assembly is used for driving the first needle pressing mechanism and the second needle pressing mechanism to be far away from the heating assembly.
Preferably, the drawing driving assembly comprises a steel wire, an encoder, a pulley and a high-speed cylinder;
one end of the steel wire is connected with the driving end of the high-speed cylinder, and the other end of the steel wire bypasses the encoder and the pulley to be connected to the first needle pressing mechanism and the second needle pressing mechanism.
Preferably, the sliding driving assembly comprises a first double-rod cylinder, a second double-rod cylinder, a first connecting piece and a second connecting piece;
one end of the first connecting piece is connected with the driving end of the first double-rod cylinder, and the other end of the first connecting piece is used for abutting against and pushing the first needle pressing mechanism;
one end of the second connecting piece is connected with and arranged at the driving end of the second double-rod cylinder, and the other end of the second connecting piece is used for abutting and pushing the second needle pressing mechanism.
Preferably, the push pin mechanism comprises a third double-rod cylinder, a connecting frame and a pushing structure;
the connecting frame is arranged at the driving end of the double-rod air cylinder, the pushing structure is arranged on the connecting frame, and the pushing structure is used for pushing a workpiece to be machined.
Preferably, the feeding assembly comprises a hopper, a hopper blank pipe support and a precision mechanical arm;
the discharge port of the hopper is guided to the hopper blank tube support, the precision mechanical arm is arranged on the mounting table surface, and the precision mechanical arm is used for placing a workpiece to be machined on the hopper blank tube support on the first needle pressing mechanism.
Preferably, the first needle pressing mechanism comprises a first channel-shaped part, a first air cylinder bracket, a first needle pressing air cylinder and a first needle pressing structure;
the first groove-shaped part is arranged on the mounting table top in a sliding mode, the first air cylinder support is arranged on the first groove-shaped part, the first needle pressing air cylinder is arranged on the first air cylinder support, and the first needle pressing structure is arranged at the driving end of the first needle pressing air cylinder;
the first groove-shaped part and the first pressing pin structure are used for matching, pressing and fixing the workpiece to be machined;
the second needle pressing mechanism comprises a second groove-shaped part, a second air cylinder bracket, a second needle pressing air cylinder and a second needle pressing structure;
the second groove-shaped part is arranged on the mounting table top in a sliding mode, the second air cylinder support is arranged on the second groove-shaped part, the second needle pressing air cylinder is arranged on the second air cylinder support, and the second needle pressing structure is arranged at the driving end of the second needle pressing air cylinder;
the second pressing pin structure is arranged corresponding to the second groove-shaped part, and the second groove-shaped part and the second pressing pin structure are used for being matched, pressed and fixed with the workpiece to be machined.
Preferably, a linear slide rail is arranged on the mounting table top;
the first needle pressing mechanism and the second needle pressing mechanism are arranged on the linear guide rail in a sliding manner;
and the heating point of the heating assembly is positioned above the linear slide rail.
Preferably, an infrared thermometer bracket and an infrared thermometer are arranged on the mounting table top;
the infrared thermometer is arranged on the infrared thermometer support, the infrared thermometer support is arranged on the mounting table top, the infrared thermometer is located right above the heating assembly, and the infrared thermometer is used for monitoring the temperature of the heating sheet of the heating assembly.
Preferably, the device also comprises a shell, an acrylic cover and a display component;
the mounting table-board is arranged on the machine shell, and the acrylic cover covers the mounting table-board;
the display assembly is arranged on the casing and used for displaying the working condition in the acrylic cover.
Compared with the prior art, the invention has the following beneficial effects:
1. the device of the invention is mainly composed of a heating component, a hopper mechanism, two groups of needle pressing mechanisms, a cylinder device and other structures, and realizes the device which can draw different needle types and integrates automatic needle installation and needle drawing;
2. the invention solves the problems that the equipment needs to be replaced and the needle needs to be installed manually when different needle types are drawn, and realizes the effects that one equipment can draw different needle points with consistent needle point length and the needle can be automatically installed and pulled;
3. the device can simultaneously draw needle blanks with completely consistent needle point length and shape according to requirements, and the whole drawing process is automatically finished by the device without manual assistance.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of the overall construction of a glass capillary tip drawing apparatus of the present invention;
FIG. 2 is a schematic view of a first partial configuration of a glass capillary tip drawing apparatus of the present invention;
FIG. 3 is a schematic view of a second partial configuration of the glass capillary tip drawing apparatus of the present invention;
FIG. 4 is a first schematic view showing the drawing drive assembly;
FIG. 5 is a first schematic view showing the structure of the slide driving assembly;
FIG. 6 is a second schematic view showing the structure of the slide driving assembly;
FIG. 7 is a schematic view showing the first and second presser mechanisms;
FIG. 8 is a schematic view showing the structure of the push pin mechanism;
FIG. 9 is a schematic view showing the structure of the heating element.
The figures show that:
Second tucking cylinder 503 of hopper 101
Third double-rod cylinder 201 first double-rod cylinder 6011
Connecting frame 202 second double-rod cylinder 6012
First connecting piece 6013 of pushing structure 203
Encoder 6022 of first pin pressing structure 304
Adjust slip table 401 high speed cylinder 6024
First connecting seat 4012 sliding table 6026
Second connecting seat 4013 linear slide rail 7
Heating plate pressing block 403 acrylic cover 11
Mounting table-board 13 of second needle pressing mechanism 5
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the invention.
Example 1:
as shown in fig. 1 to 9, the present embodiment provides a glass capillary tip drawing apparatus, including: the device comprises a feeding assembly 1, a needle pushing mechanism 2, a first needle pressing mechanism 3, a heating assembly 4, a second needle pressing mechanism 5 and a driving assembly 6; the feeding assembly 1 is used for placing workpieces to be processed on the first needle pressing mechanism 3, the first needle pressing mechanism 3 and the second needle pressing mechanism 5 are arranged on the installation table board 13 in a sliding mode along the same straight line, the first needle pressing mechanism 3 and the second needle pressing mechanism 5 are arranged on two sides of the heating assembly 4 respectively, the first needle pressing mechanism 3 and the second needle pressing mechanism 5 are used for compressing and fixing two ends of the workpieces to be processed, the heating assembly 4 is used for heating the workpieces to be processed, the needle pushing mechanism 2 is arranged on one side of the first needle pressing mechanism 3, the first needle pressing mechanism 3 is located between the heating assembly 4 and the needle pushing mechanism 2, the needle pushing mechanism 2 is used for pushing the workpieces to be processed into the heating assembly 4 and the second needle pressing mechanism 5 from the first needle pressing mechanism 3 in sequence, and the driving assembly 6 is connected with the first needle pressing mechanism 3 and the second needle pressing mechanism 5 in a driving mode.
The glass capillary needle point drawing equipment of this embodiment still includes casing 10, ya keli cover 11 and display module, and mounting table 13 sets up on casing 10, and ya keli cover 11 covers and establishes on mounting table 13, and display module 12 sets up on the casing, display module is used for showing the operating mode in the ya keli cover 11. Display assembly 12 includes a display screen 1201 and a display screen support 1202, display screen support 1202 being disposed on the housing, and display screen 1201 being disposed on display screen support 1202.
An infrared thermometer support 8 and an infrared thermometer 9 are arranged on the mounting table top 13, the infrared thermometer 9 is arranged on the infrared thermometer support 8, the infrared thermometer support 8 is arranged on the mounting table top 13, the infrared thermometer 9 is located right above the heating assembly 4, and the infrared thermometer 9 is used for monitoring the temperature of the heating sheet of the heating assembly 4.
The mounting table top 13 is provided with a linear slide rail 7, the first needle pressing mechanism 3 and the second needle pressing mechanism 5 are both arranged on the linear guide rail in a sliding manner, and the heating point of the heating component 4 is positioned above the linear slide rail 7.
The feeding assembly 1 comprises a hopper 101, a hopper blank tube support 102 and a precision mechanical arm 103, wherein a discharge port of the hopper 101 is arranged to guide the hopper blank tube support 102, the precision mechanical arm 103 is arranged on the mounting platform surface 13, and the precision mechanical arm 103 is used for placing a workpiece to be machined on the hopper blank tube support 102 on the first needle pressing mechanism 3.
The push pin mechanism 2 comprises a third double-rod cylinder 201, a connecting frame 202 and a pushing structure 203, wherein the connecting frame 202 is arranged at the driving end of the double-rod cylinder, the pushing structure 203 is arranged on the connecting frame 202, and the pushing structure 203 is used for pushing a workpiece to be processed.
The first needle pressing mechanism 3 comprises a first groove-shaped piece 301, a first air cylinder support 302, a first needle pressing air cylinder 303 and a first needle pressing structure 304, the first groove-shaped piece 301 is arranged on the installation table top 13 in a sliding mode, the first air cylinder support 302 is arranged on the first groove-shaped piece 301, the first needle pressing air cylinder 303 is arranged on the first air cylinder support 302, the first needle pressing structure 304 is arranged at a driving end of the first needle pressing air cylinder 303, the first needle pressing structure 304 is arranged corresponding to the first groove-shaped piece 301, and the first groove-shaped piece 301 and the first needle pressing structure 304 are used for being matched and pressed to fix a workpiece to be machined.
The second needle pressing mechanism 5 comprises a second groove-shaped part 501, a second air cylinder support 502, a second needle pressing air cylinder 503 and a second needle pressing structure 504, the second groove-shaped part 501 is slidably arranged on the mounting table 13, the second air cylinder support 502 is arranged on the second groove-shaped part 501, the second needle pressing air cylinder 503 is arranged on the second air cylinder support 502, the second needle pressing structure 504 is arranged at the driving end of the second needle pressing air cylinder 503, the second needle pressing structure 504 is arranged corresponding to the second groove-shaped part 501, and the second groove-shaped part 501 and the second needle pressing structure 504 are used for being matched with each other to press and fix a workpiece to be machined.
The driving assembly 6 comprises a sliding driving assembly 601 and a drawing driving assembly 602, the sliding driving assembly 601 and the drawing driving assembly 602 are both in driving connection with the first needle pressing mechanism 3 and the second needle pressing mechanism 5, the sliding driving assembly 601 is used for driving the first needle pressing mechanism 3 and the second needle pressing mechanism 5 to be close to the heating assembly 4, and the drawing driving assembly 602 is used for driving the first needle pressing mechanism 3 and the second needle pressing mechanism 5 to be far away from the heating assembly 4.
The sliding driving assembly 601 comprises a first double-rod cylinder 6011, a second double-rod cylinder 6012, a first connecting piece 6013 and a second connecting piece 6014, one end of the first connecting piece 6013 is connected and arranged at a driving end of the first double-rod cylinder 6011, the other end of the first connecting piece 6013 is used for abutting and pushing a first needle pressing mechanism 3, one end of the second connecting piece 6014 is connected and arranged at a driving end of the second double-rod cylinder 6012, and the other end of the second connecting piece 6014 is used for abutting and pushing a second needle pressing mechanism 5. A first double-rod cylinder 6011 and a second double-rod cylinder 6012 are provided on the second mounting plate 6015.
Drawing drive assembly 602 includes wire 6021, encoder 6022, pulley 6023 and high speed cylinder 6024. One end of wire 6021 is connected to the drive end of high speed cylinder 6024, and the other end of wire 6021 is connected to first and second presser foot mechanisms 3 and 5, bypassing encoder 6022 and pulley 6023.
The heating assembly 4 comprises an adjusting sliding table 401, a connecting bracket 402, a heating sheet pressing block 403 and a heating sheet 404; the adjusting sliding table 401 is arranged on the mounting table surface 13, the connecting support 402 is arranged on the adjusting sliding table 401, the heating plate pressing block 403 is arranged on the connecting support 402, the heating plate pressing block 403 is used for fixing the heating plate 404, and the heating plate 404 is located between the first needle pressing mechanism 3 and the second needle pressing mechanism 5. The heating assembly 4 further comprises a shield cover 405 and a shield support 406, the shield support 406 being arranged on the coupling support 402, the shield cover 405 being arranged on the shield support 406, the shield cover 405 covering the heater chip press block 403 and the heater chip 404. Adjust slip table 401 including base 4011, first connecting seat 4012 and second connecting seat 4013, base 4011 sets up on mounting table surface 13, first connecting seat 4012 sets up on base 4011 through slider and spout slip, be provided with first fastener 4014 on first connecting seat 4012, first fastener 4014 is used for fixing first connecting seat 4012 on base 4011, second connecting seat 4013 sets up on first connecting seat 4012 through slider and spout slip, be provided with second fastener 4015 on second connecting seat 4013, second fastener 4015 is used for fixing second connecting seat 4013 on first connecting seat 4012.
The working principle is as follows:
when drawing needle blanks, putting prepared glass blank tubes into a hopper 101 in a whole batch, starting a needle tip drawing program, pushing a first needle pressing mechanism 3 by a first double-rod cylinder 6011 through a first connecting piece 6013, pushing a second needle pressing mechanism 5 by a second double-rod cylinder 6012 through a second connecting piece 6014, pushing two groups of needle pressing structures to a heating assembly 4 by two groups of double-lever cylinders, abutting against the heating assembly 4, automatically sliding the glass blank tubes one by one from the hopper 101 onto a hopper blank tube support 102, clamping the blank tubes by a precision mechanical arm 103 into a first groove-shaped piece 301 of the first needle pressing mechanism 3, penetrating the blank tubes through heating sheets of the heating assembly 4 through a needle pushing mechanism 2 to reach another group of needle pressing structures (namely, the second needle pressing mechanism 5), the blank tube is pressed by the needle pressing cylinders (namely the first needle pressing cylinder 303 and the second needle pressing cylinder 503) of the two groups of needle pressing structures (namely the first needle pressing structure 340 and the second needle pressing structure 504) which are simultaneously ejected, at the moment, the first connecting piece 6013 and the second connecting piece 6014 automatically move away because the two groups of needle pressing structures simultaneously press the blank tube, the two groups of needle pressing mechanisms cannot be driven, at the moment, the heating sheet starts to heat the blank tube, the glass blank tube is slowly softened along with the change of the heating temperature and time, when the glass blank tube is softened to the stretching condition, under the action of the high-speed cylinder 6024, the two groups of needle pressing mechanisms are simultaneously pulled at a constant speed through the steel wire 6021, the encoder 6022 and the pulley 6023, the glass blank tube is drawn into two needle blanks with the consistent length and the needle point shape, the whole batch of glass blank tubes is completely drawn through the cyclic operation, and in the whole drawing operation process, the equipment automatically completes a series of operations.
Example 2:
this embodiment is different from embodiment 1 in that the drawing driving member 602 employs an elastic drawing driving member.
The elastic drawing driving component comprises an elastic device, a steel wire, a pulley and an encoder; elastic device is connected to the one end of steel wire, the other end of steel wire is walked around encoder and pulley and is connected first tucking mechanism and second tucking mechanism, elastic device includes the mounting panel, be provided with first slide rail on the mounting panel, the slip table, the elastic component, second slide rail and fixed block, the slip table slides and sets up on first slide rail, the fixed block slides and sets up on the second slide rail, the one end connection setting of elastic component is on the slip table, the other end connection setting of elastic component is on the fixed block, the steel wire is connected and is set up on the fixed block.
Example 3:
those skilled in the art will understand this embodiment as a more specific description of embodiment 1.
The embodiment provides automatic equipment for drawing a needle point of a glass capillary tube, which mainly comprises a heating assembly, a hopper mechanism, two groups of needle pressing mechanisms, a cylinder device and the like, realizes a drawing method for different needle type needle points, and can be integrated equipment for automatically installing and drawing a needle and keeping the length of the needle point and the shape of the needle point consistent.
The working principle of the automated apparatus for drawing a glass capillary tip of the present embodiment:
a set of linear slide rails with double sliding tables is arranged on the table surface of the equipment, the heating assembly is arranged on the upper part of the slide rails at the middle position of the slide rails, and the position of the heating sheet can be adjusted freely through the sliding tables in the heating assembly; a group of pressing needle structures are respectively arranged on the two sliding tables of the sliding rail, each structure consists of two cylinders and two V-groove-shaped aluminum parts and is used for fixing the glass blank tube so that the blank tube can not be displaced in the process of drawing the needle point.
A group of double-rod cylinders are arranged on the table top on the inner side of the linear slide rail and parallel to the slide rail, one end of each cylinder is provided with a V-shaped aluminum piece, the V-shaped aluminum pieces are combined with V-shaped groove aluminum pieces in the needle pressing structure to form a needle pushing structure, and the relative position of the glass blank tube in the V-shaped groove can be automatically adjusted by the structure.
Two sets of the same parallel bars air cylinders are arranged on the lower portion of the table board, one ends of the air cylinders are connected with two long-strip aluminum pieces, and the long-strip aluminum pieces penetrate through the table board to be connected with the pressing array structure to provide sliding power for the pressing needle structure on the linear sliding rail.
Two groups of pressing pin structures are connected by four groups of pulleys at two ends of the linear sliding rail by winding the encoder through two steel wire ropes, one end of each steel wire rope is connected with the pressing pin structure, and the other end of each steel wire rope is connected with the high-speed cylinder.
And an infrared thermometer is arranged right above the heating assembly and used for monitoring the temperature change of the heating sheet in real time. The most inner side of the table-board is provided with a precision mechanical arm which is used for automatically placing the glass blank tube into the V-shaped groove of the pressing needle structure.
When drawing a needle blank, putting a whole batch of prepared glass blank tubes into a hopper mechanism, starting a needle point drawing program, pushing two groups of pin pressing structures to a heating assembly by two groups of parallel-bar cylinders, and pressing against the heating assembly, automatically sliding the glass blank tubes from the hopper to a hopper blank tube support one by one, clamping the blank tubes by a mechanical arm and putting the blank tubes into a V-shaped groove of the pin pressing structures, penetrating the blank tubes through a heating sheet to reach the other group of pin pressing structures by the pin pressing structures, simultaneously popping out the pin pressing cylinders of the two groups of pin pressing structures to press the blank tubes, automatically moving the two groups of pin pressing structures away at a constant speed under the action of a high-speed cylinder because the two groups of pin pressing structures simultaneously press the blank tubes, and not popping out, starting to heat the blank tubes by the heating sheet at the moment, slowly softening the glass blank tubes along with the change of heating temperature time, when the glass blank tubes are softened to a stretching condition, pulling the two groups of pin pressing structures at a constant speed simultaneously, drawing the glass blank tubes into two needle blanks with the same length and the shape, and completing the whole batch of glass blank tubes, and automatically drawing a whole batch of glass blank tubes.
The equipment of the embodiment has the advantages that the equipment can simultaneously draw the needle blank with the completely consistent needle point length and shape according to the requirement, and the whole drawing process is automatically completed by the equipment without manual assistance.
The invention realizes the effects that one device can draw different needle type needle points, the needle points have consistent length and the needles are automatically installed and pulled.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, are not to be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A glass capillary tip drawing apparatus, comprising: the needle pushing mechanism comprises a feeding assembly (1), a needle pushing mechanism (2), a first needle pressing mechanism (3), a heating assembly (4), a second needle pressing mechanism (5) and a driving assembly (6); the feeding assembly (1) is used for placing a workpiece to be processed on the first needle pressing mechanism (3);
the first needle pressing mechanism (3) and the second needle pressing mechanism (5) are arranged on an installation table top (13) in a sliding mode along the same straight line, and the first needle pressing mechanism (3) and the second needle pressing mechanism (5) are arranged on two sides of the heating assembly (4) respectively; the first needle pressing mechanism (3) and the second needle pressing mechanism (5) are used for pressing and fixing two ends of a workpiece to be machined, and the heating assembly (4) is used for heating the workpiece to be machined;
the push pin mechanism (2) is arranged on one side of the first push pin mechanism (3), and the first push pin mechanism (3) is positioned between the heating assembly (4) and the push pin mechanism (2); the needle pushing mechanism (2) is used for sequentially pushing workpieces to be processed into the heating assembly (4) and the second needle pressing mechanism (5) from the first needle pressing mechanism (3);
the driving component (6) is in driving connection with the first needle pressing mechanism (3) and the second needle pressing mechanism (5).
2. A glass capillary tip drawing apparatus according to claim 1, wherein the drive assembly (6) comprises a sliding drive assembly (601) and a drawing drive assembly (602);
the sliding driving assembly (601) and the drawing driving assembly (602) are in driving connection with the first needle pressing mechanism (3) and the second needle pressing mechanism (5);
the sliding driving assembly (601) is used for driving the first needle pressing mechanism (3) and the second needle pressing mechanism (5) to be close to the heating assembly (4), and the drawing driving assembly (602) is used for driving the first needle pressing mechanism (3) and the second needle pressing mechanism (5) to be far away from the heating assembly (4).
3. A glass capillary tip drawing apparatus according to claim 2, characterized in that the draw drive assembly (602) comprises a steel wire (6021), an encoder (6022), a pulley (6023) and a high-speed cylinder (6024);
one end of the steel wire (6021) is connected with the driving end of the high-speed air cylinder (6024), and the other end of the steel wire (6021) is connected with the first needle pressing mechanism (3) and the second needle pressing mechanism (5) by bypassing the encoder (6022) and the pulley (6023).
4. The glass capillary needle tip drawing apparatus according to claim 2, wherein the sliding drive assembly (601) comprises a first double rod cylinder (6011), a second double rod cylinder (6012), a first connection (6013), and a second connection (6014);
one end of the first connecting piece (6013) is connected to the driving end of the first double-rod cylinder (6011), and the other end of the first connecting piece (6013) is used for abutting against and pushing the first needle pressing mechanism (3);
one end of the second connecting piece (6014) is connected to the driving end of the second double-rod cylinder (6012), and the other end of the second connecting piece (6014) is used for abutting against and pushing the second needle pressing mechanism (5).
5. The glass capillary tip drawing apparatus of claim 2, wherein the push pin mechanism (2) comprises a third double rod cylinder (201), a connecting frame (202) and a pushing structure (203);
the connecting frame (202) is arranged at the driving end of the double-rod air cylinder, the pushing structure (203) is arranged on the connecting frame (202), and the pushing structure (203) is used for pushing a workpiece to be machined.
6. The glass capillary tip drawing apparatus of claim 1, wherein the feed assembly (1) comprises a hopper (101), a hopper blank holder (102), and a precision robot (103);
the discharge hole of the hopper (101) is arranged to guide the hopper blank tube support (102), the precision mechanical arm (103) is arranged on the mounting table top (13), and the precision mechanical arm (103) is used for placing a workpiece to be machined on the hopper blank tube support (102) on the first needle pressing mechanism (3).
7. The glass capillary tip drawing apparatus of claim 1, wherein the first tucker mechanism (3) comprises a first channel member (301), a first cylinder holder (302), a first tucker cylinder (303), and a first tucker structure (304);
the first channel-shaped part (301) is arranged on the mounting table top (13) in a sliding mode, the first air cylinder support (302) is arranged on the first channel-shaped part (301), the first needle pressing air cylinder (303) is arranged on the first air cylinder support (302), and the first needle pressing structure (304) is arranged at the driving end of the first needle pressing air cylinder (303);
the first needle pressing structure (304) is arranged corresponding to the first groove-shaped piece (301), and the first groove-shaped piece (301) and the first needle pressing structure (304) are used for matching, pressing and fixing the piece to be machined;
the second needle pressing mechanism (5) comprises a second channel-shaped piece (501), a second air cylinder bracket (502), a second needle pressing air cylinder (503) and a second needle pressing structure (504);
the second channel-shaped part (501) is arranged on the mounting table top (13) in a sliding manner, the second air cylinder bracket (502) is arranged on the second channel-shaped part (501), the second pressing pin air cylinder (503) is arranged on the second air cylinder bracket (502), and the second pressing pin structure (504) is arranged at the driving end of the second pressing pin air cylinder (503);
the second needle pressing structure (504) is arranged corresponding to the second channel-shaped part (501), and the second channel-shaped part (501) and the second needle pressing structure (504) are used for matching, pressing and fixing the workpiece to be machined.
8. A glass capillary tip drawing apparatus according to claim 1, characterized in that a linear slide (7) is arranged on the mounting table (13);
the first needle pressing mechanism (3) and the second needle pressing mechanism (5) are arranged on the linear guide rail in a sliding mode;
and the heating point of the heating component (4) is positioned above the linear slide rail (7).
9. A glass capillary needle tip drawing apparatus according to claim 1, characterised in that an infrared thermometer holder (8) and an infrared thermometer (9) are arranged on the mounting table (13);
the infrared thermometer is characterized in that the infrared thermometer (9) is arranged on the infrared thermometer support (8), the infrared thermometer support (8) is arranged on the mounting table board (13), the infrared thermometer (9) is located right above the heating assembly (4), and the infrared thermometer (9) is used for monitoring the temperature of the heating sheet of the heating assembly (4).
10. The glass capillary tip drawing apparatus of claim 1, further comprising a housing (10), an acrylic cover (11), and a display assembly (12);
the mounting table board (13) is arranged on the machine shell (10), and the acrylic cover (11) is covered on the mounting table board (13);
display module (12) set up on casing (10), display module (12) are used for showing the operating mode in ya keli cover (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211101420.XA CN115466043B (en) | 2022-09-09 | 2022-09-09 | Glass capillary needle point drawing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211101420.XA CN115466043B (en) | 2022-09-09 | 2022-09-09 | Glass capillary needle point drawing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115466043A true CN115466043A (en) | 2022-12-13 |
| CN115466043B CN115466043B (en) | 2023-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211101420.XA Active CN115466043B (en) | 2022-09-09 | 2022-09-09 | Glass capillary needle point drawing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115466043B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS573726A (en) * | 1980-06-09 | 1982-01-09 | Sumitomo Electric Ind Ltd | Preparation of glass capillary |
| CN2391873Y (en) * | 1999-03-11 | 2000-08-16 | 中国药科大学 | Means for mfg. micro-injection needle and fixation needle |
| CN202945150U (en) * | 2012-10-19 | 2013-05-22 | 云南大学 | Glass capillary needle drawing device |
| CN105399314A (en) * | 2015-09-14 | 2016-03-16 | 上海富吉医疗器械有限公司 | Electric heating and pneumatic stretching-based numerical control type micropipette puller |
| CN216513469U (en) * | 2022-01-20 | 2022-05-13 | 湖北华美阳光生物科技有限公司 | Needle pulling instrument for egg peeling needle |
-
2022
- 2022-09-09 CN CN202211101420.XA patent/CN115466043B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS573726A (en) * | 1980-06-09 | 1982-01-09 | Sumitomo Electric Ind Ltd | Preparation of glass capillary |
| CN2391873Y (en) * | 1999-03-11 | 2000-08-16 | 中国药科大学 | Means for mfg. micro-injection needle and fixation needle |
| CN202945150U (en) * | 2012-10-19 | 2013-05-22 | 云南大学 | Glass capillary needle drawing device |
| CN105399314A (en) * | 2015-09-14 | 2016-03-16 | 上海富吉医疗器械有限公司 | Electric heating and pneumatic stretching-based numerical control type micropipette puller |
| CN216513469U (en) * | 2022-01-20 | 2022-05-13 | 湖北华美阳光生物科技有限公司 | Needle pulling instrument for egg peeling needle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115466043B (en) | 2023-11-14 |
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