CN115466043B - Glass capillary needle point drawing equipment - Google Patents
Glass capillary needle point drawing equipment Download PDFInfo
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- CN115466043B CN115466043B CN202211101420.XA CN202211101420A CN115466043B CN 115466043 B CN115466043 B CN 115466043B CN 202211101420 A CN202211101420 A CN 202211101420A CN 115466043 B CN115466043 B CN 115466043B
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- needle pressing
- pressing mechanism
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- heating
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- 239000011521 glass Substances 0.000 title claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 144
- 238000010438 heat treatment Methods 0.000 claims abstract description 77
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 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
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification 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
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000520 microinjection Methods 0.000 description 1
Classifications
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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 application provides a glass capillary needle point drawing device, which comprises: the device comprises a feeding assembly, a needle pushing mechanism, a first needle pressing mechanism, a heating assembly, a second needle pressing mechanism and a driving assembly; the first needle pressing mechanism and the second needle pressing mechanism are arranged on the mounting table surface in a sliding manner along the same straight line, and the first needle pressing mechanism and the second needle pressing mechanism 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 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 component and the needle pushing mechanism; the needle pushing mechanism is used for pushing the workpiece to be processed into the heating assembly and the second needle pressing mechanism from the first needle pressing mechanism in sequence; the driving assembly is in driving connection with the first needle pressing mechanism and the second needle pressing mechanism. The application realizes the effects that one device can draw different needle type needle points, the needle point lengths are consistent, and the needle is automatically installed and pulled.
Description
Technical Field
The application relates to the technical field of microinjection equipment, in particular to glass capillary needle point drawing equipment.
Background
In many fields such as human assisted reproduction technology, glass capillary needle point drawing equipment is used, in the needle point drawing equipment, a formed glass blank tube is required to be drawn into needle blanks with different needle points according to needle type requirements, in the existing needle point drawing equipment, the glass blank tube is heated by an electric heating method and then is drawn into the needle blanks, and when the drawing needle points are heated, two ends of the blank tube are required to be simultaneously drawn at uniform speed after being heated in the middle of the blank tube, so that two needle blanks with the same needle point length and identical shape can be drawn.
At present, manual assistance is usually required in needle point drawing equipment to mount a single blank pipe on the equipment to draw needle blanks, because the placement of the blank pipe and the drawing process of two ends of a needle point can be completed by manual assistance, the needle point lengths and the needle point shapes of two needle blanks are not uniform after the needle point is drawn easily due to error factors, and thus the drawn needle blanks cannot meet the use requirements, even if the needle blanks which can be used are provided, the needle point drawing success rate is low, and the needle blanks are not widely used.
The patent document with publication number CN202945150U discloses a glass capillary needle drawing instrument which mainly comprises a main support, a capillary clamp, a capillary, a sliding block, a sliding rail, a heating ring, a power line, a power supply and a power plug. However, this patent document is different from the present application.
Disclosure of Invention
In view of the shortcomings in the prior art, it is an object of the present application to provide a glass capillary tip drawing apparatus.
According to the application, a glass capillary needle point drawing device comprises: the device comprises a feeding assembly, a needle pushing mechanism, a first needle pressing mechanism, a heating assembly, a second needle pressing mechanism and a driving assembly; the feeding assembly is used for placing a workpiece to be machined on the first needle pressing mechanism;
the first needle pressing mechanism and the second needle pressing mechanism are arranged on the mounting table board in a sliding manner along the same straight line, and the first needle pressing mechanism and the second needle pressing mechanism 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 processed, and the heating assembly is used for heating the workpiece to be processed;
the push pin mechanism is arranged on one side of the first push pin mechanism, and the first push pin mechanism is positioned between the heating component and the push pin mechanism; the needle pushing mechanism is used for pushing the workpiece to be processed from the first needle pressing mechanism into the heating assembly and the second needle pressing mechanism in sequence;
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 both 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 pushing the first needle pressing mechanism in an abutting mode;
one end of the second connecting piece is connected with the driving end of the second double-rod air cylinder, and the other end of the second connecting piece is used for pushing the second needle pressing mechanism in an abutting mode.
Preferably, the push pin mechanism comprises a third double-rod cylinder, a connecting frame and a push 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 is used for pushing a workpiece to be processed.
Preferably, the feeding assembly comprises a hopper, a hopper blank pipe bracket and a precision mechanical arm;
the discharge gate direction of hopper base pipe support sets up, accurate arm sets up on the mounting mesa, accurate arm is used for with waiting the machined part on the hopper base pipe support places on the first needle pressing mechanism.
Preferably, the first needle pressing mechanism comprises a first groove-shaped piece, a first cylinder bracket, a first needle pressing cylinder and a first needle pressing structure;
the first groove-shaped piece is arranged on the mounting table board in a sliding manner, the first air cylinder support is arranged on the first groove-shaped piece, 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 pressing needle structure is arranged corresponding to the first groove-shaped piece, and the first groove-shaped piece and the first pressing needle structure are used for being matched and pressed to fix the to-be-machined piece;
the second needle pressing mechanism comprises a second groove-shaped piece, a second cylinder bracket, a second needle pressing cylinder and a second needle pressing structure;
the second groove-shaped piece is arranged on the mounting table board in a sliding manner, the second cylinder bracket is arranged on the second groove-shaped piece, the second needle pressing cylinder is arranged on the second cylinder bracket, and the second needle pressing structure is arranged at the driving end of the second needle pressing cylinder;
the second pressing needle structure is arranged corresponding to the second groove-shaped piece, and the second groove-shaped piece and the second pressing needle structure are used for being matched and pressed to fix the to-be-machined piece.
Preferably, the mounting table top is provided with a linear slide rail;
the first needle pressing mechanism and the second needle pressing mechanism are both arranged on the linear guide rail in a sliding manner;
the heating point of the heating component is positioned above the linear sliding rail.
Preferably, the mounting table top is provided with an infrared thermometer bracket and an infrared thermometer;
the infrared thermometer is arranged on the infrared thermometer support, the infrared thermometer support is arranged on the installation table top, the infrared thermometer is positioned right above the heating component, and the infrared thermometer is used for monitoring the temperature of the heating piece of the heating component.
Preferably, the display device also comprises a shell, an acrylic cover and a display component;
the installation table top is arranged on the shell, and the acrylic cover is covered on the installation table top;
the display component is arranged on the shell and is used for displaying working conditions in the acrylic cover.
Compared with the prior art, the application has the following beneficial effects:
1. the device mainly comprises a heating component, a hopper mechanism, two groups of needle pressing mechanisms, a cylinder device and the like, and realizes the integrated equipment of drawing different needles and automatic needle loading and drawing;
2. the application solves the complex steps of equipment replacement, manual needle assembly and the like for drawing different needle types, and realizes the effects that one equipment can draw different needle types, the needle points are consistent in length, and the needle is automatically installed and pulled;
3. the equipment can simultaneously draw needle blanks with the length and the shape of the needle tip being completely consistent according to the requirements, and the whole drawing process is automatically completed without manual assistance.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the overall structure of a glass capillary tip drawing apparatus of the present application;
FIG. 2 is a schematic diagram of a partial structure of a glass capillary tip drawing apparatus of the present application;
FIG. 3 is a schematic diagram showing a partial structure of a glass capillary tip drawing apparatus of the present application;
FIG. 4 is a schematic view showing the structure of the drawing driving assembly in a highlighting manner;
FIG. 5 is a schematic view showing a structure of a slide driving assembly;
FIG. 6 is a schematic diagram showing a second embodiment of a slide driving assembly;
FIG. 7 is a schematic view showing the structure of the first and second needle pressing mechanisms in a highlighted manner;
FIG. 8 is a schematic view showing the structure of the push pin mechanism in a highlighted manner;
fig. 9 is a schematic diagram showing a structure of the heating assembly in a highlighted manner.
The figure shows:
second cylinder bracket 502 of feeding assembly 1
Second needle pressing cylinder 503 of hopper 101
Second pin pressing structure 504 of hopper blank pipe bracket 102
Precise mechanical arm 103 driving assembly 6
Push pin mechanism 2 sliding driving assembly 601
Third double rod cylinder 201 first double rod cylinder 6011
Second two-rod cylinder 6012 of connecting frame 202
First connecting piece 6013 of pushing structure 203
First needle pressing mechanism 3 second connecting piece 6014
First channel 301 second mounting plate 6015
The first cylinder mount 302 draws the drive assembly 602
First needle pressing cylinder 303 steel wire 6021
First presser finger structure 304 encoder 6022
Heating assembly 4 pulley 6023
Adjust slip table 401 high-speed cylinder 6024
First mounting plate 6025 of base 4011
First connecting seat 4012 sliding table 6026
Second connecting seat 4013 linear slide rail 7
First fastener 4014 infrared thermometer support 8
Second fastening piece 4015 infrared thermometer 9
Connecting bracket 402 housing 10
Heating plate pressing block 403 acrylic cover 11
The heater chip 404 shows the assembly 12
Protective cover 405 display 1201
Protective cover support 406 display screen support 1202
Second needle pressing mechanism 5 mounting table 13
Second channel 501
Detailed Description
The present application will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present application, but are not intended to limit the application in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present application.
Example 1:
as shown in fig. 1 to 9, the present embodiment provides a glass capillary needle tip drawing apparatus comprising: the device comprises a feeding assembly 1, a push pin mechanism 2, a first pin pressing mechanism 3, a heating assembly 4, a second pin 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 the mounting table top 13 in a sliding mode along the same straight line, the first needle pressing mechanism 3 and the second needle pressing mechanism 5 are respectively arranged on two sides of the heating assembly 4, the first needle pressing mechanism 3 and the second needle pressing mechanism 5 are used for pressing and fixing two ends of the workpiece to be processed, the heating assembly 4 is used for heating the workpiece to be processed, the push pin 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 push pin mechanism 2, the push pin mechanism 2 is used for sequentially pushing the workpiece to be processed into the heating assembly 4 and the second needle pressing mechanism 5 from the first needle pressing mechanism 3, and the first needle pressing mechanism 3 and the second needle pressing mechanism 5 are connected through driving assembly 6 in a driving mode.
The glass capillary needle point drawing device of the embodiment further comprises a shell 10, an acrylic cover 11 and a display assembly, wherein the installation table top 13 is arranged on the shell 10, the acrylic cover 11 is covered on the installation table top 13, the display assembly 12 is arranged on the shell, and the display assembly is used for displaying working conditions in the acrylic cover 11. The display assembly 12 includes a display 1201 and a display bracket 1202, the display bracket 1202 being disposed on the chassis, the display 1201 being disposed on the display bracket 1202.
Be provided with infrared thermometer support 8 and infrared thermometer 9 on the installation mesa 13, infrared thermometer 9 sets up on infrared thermometer support 8, and infrared thermometer support 8 sets up on installation mesa 13, and infrared thermometer 9 is located heating element 4 directly over, and infrared thermometer 9 is used for monitoring heating element 4's heating plate's temperature.
The mounting table 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 a heating point of the heating assembly 4 is positioned above the linear slide rail 7.
The feeding assembly 1 comprises a hopper 101, a hopper blank pipe support 102 and a precision mechanical arm 103, wherein a discharge hole of the hopper 101 is led to the hopper blank pipe support 102, the precision mechanical arm 103 is arranged on a mounting table 13, and the precision mechanical arm 103 is used for placing a workpiece to be processed on the hopper blank pipe support 102 on the first needle pressing mechanism 3.
The pushing needle mechanism 2 comprises a third double-rod air 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 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 processed.
The first needle pressing mechanism 3 comprises a first groove-shaped piece 301, a first cylinder bracket 302, a first needle pressing cylinder 303 and a first needle pressing structure 304, wherein the first groove-shaped piece 301 is arranged on the mounting table 13 in a sliding mode, the first cylinder bracket 302 is arranged on the first groove-shaped piece 301, the first needle pressing cylinder 303 is arranged on the first cylinder bracket 302, the first needle pressing structure 304 is arranged at the driving end of the first needle pressing 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 piece 501, a second cylinder bracket 502, a second needle pressing cylinder 503 and a second needle pressing structure 504, the second groove-shaped piece 501 is arranged on the mounting table 13 in a sliding mode, the second cylinder bracket 502 is arranged on the second groove-shaped piece 501, the second needle pressing cylinder 503 is arranged on the second cylinder bracket 502, the second needle pressing structure 504 is arranged at the driving end of the second needle pressing cylinder 503, the second needle pressing structure 504 is arranged corresponding to the second groove-shaped piece 501, and the second groove-shaped piece 501 and the second needle pressing structure 504 are used for being matched and pressed to 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 air cylinder 6011, a second double-rod air cylinder 6012, a first connecting piece 6013 and a second connecting piece 6014, one end of the first connecting piece 6013 is connected with the driving end of the first double-rod air cylinder 6011, the other end of the first connecting piece 6013 is used for pushing the first needle pressing mechanism 3 in a butt mode, one end of the second connecting piece 6014 is connected with the driving end of the second double-rod air cylinder 6012, and the other end of the second connecting piece 6014 is used for pushing the second needle pressing mechanism 5 in a butt mode. The first and second two-rod cylinders 6011 and 6012 are provided on the second mounting plate 6015.
The drawing driving assembly 602 comprises a steel wire 6021, an encoder 6022, a pulley 6023 and a high-speed air 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 bypasses the encoder 6022 and the pulley 6023 to be connected to the first needle pressing mechanism 3 and the second needle pressing mechanism 5.
The heating assembly 4 comprises an adjusting sliding table 401, a connecting bracket 402, a heating plate pressing block 403 and a heating plate 404; the adjusting sliding table 401 is arranged on the mounting table 13, the connecting bracket 402 is arranged on the adjusting sliding table 401, the heating plate pressing block 403 is arranged on the connecting bracket 402, the heating plate pressing block 403 is used for fixing the heating plate 404, and the heating plate 404 is positioned between the first needle pressing mechanism 3 and the second needle pressing mechanism 5. The heating element 4 further comprises a protective cover 405 and a protective cover support 406, the protective cover support 406 is arranged on the connecting support 402, the protective cover 405 is arranged on the protective cover support 406, and the protective cover 405 covers the heating plate pressing block 403 and the heating plate 404. The adjusting sliding table 401 comprises a base 4011, a first connecting seat 4012 and a second connecting seat 4013, the base 4011 is arranged on the mounting table top 13, the first connecting seat 4012 is arranged on the base 4011 in a sliding mode through a sliding block and a sliding groove, a first fastening piece 4014 is arranged on the first connecting seat 4012 and used for fixing the first connecting seat 4012 on the base 4011, the second connecting seat 4013 is arranged on the first connecting seat 4012 in a sliding mode through the sliding block and the sliding groove, a second fastening piece 4015 is arranged on the second connecting seat 4013, and the second fastening piece 4015 is used for fixing the second connecting seat 4013 on the first connecting seat 4012.
Working principle:
when drawing the needle blank, putting the prepared glass blank tubes into a hopper 101 in a whole batch, starting a needle point drawing program, pushing a first needle pressing mechanism 3 by a first double-rod air cylinder 6011 through a first connecting piece 6013, pushing a second needle pressing mechanism 5 by a second double-rod air cylinder 6012 through a second connecting piece 6014, pushing the two groups of needle pressing structures to a heating assembly 4 by the two groups of double-rod air cylinders, leaning against the heating assembly 4, automatically sliding the glass blank tubes from the hopper 101 onto a hopper blank tube bracket 102 one by one, taking and putting the blank tubes into a first groove-shaped piece 301 of the first needle pressing mechanism 3 by a precision mechanical arm 103, passing the blank tubes through a heating sheet of the heating assembly 4 to reach another group of needle pressing structures (namely, the second needle pressing mechanism 5) through the needle pressing mechanism 2, the two groups of needle pressing cylinders (namely, the first needle pressing cylinder 303 and the second needle pressing cylinder 503) of the needle pressing structures are popped up at the same time to press the blank pipe through the needle pressing structures (namely, the first needle pressing structure 340 and the second needle pressing structure 504), at the moment, the first connecting piece 6013 and the second connecting piece 6014 are automatically moved away, because the two groups of needle pressing structures press the blank pipe at the same time, the two groups of needle pressing mechanisms are not driven, the heating plate starts to heat the blank pipe at the moment, the glass blank pipe is slowly softened along with the change of the heating temperature, and when the glass blank pipe is softened to a stretching condition, under the action of the high-speed cylinder 6024, the two groups of needle pressing mechanisms are pulled at the same time through the steel wire 6021, the encoder 6022 and the pulley 6023, the glass blank pipe is pulled into two needle blanks with the same length and the same needle point shape, so that the circular operation is carried out, the whole batch of glass blank pipe is completely pulled, and the whole drawing operation process is carried out, and the equipment is automatically completed.
Example 2:
this embodiment differs from embodiment 1 in that the draw drive assembly 602 employs an elastic draw drive assembly.
The elastic drawing driving assembly comprises an elastic device, a steel wire, a pulley and an encoder; the elastic device is connected to one end of steel wire, the encoder is walked around to the other end of steel wire and the first needle pressing mechanism of pulley connection and second needle pressing mechanism, elastic device includes the mounting panel, be provided with first slide rail, slip table, elastic component, second slide rail and fixed block on the mounting panel, 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 of elastic component sets up on the slip table, the other end connection of elastic component sets up on the fixed block, the steel wire connection sets up on the fixed block.
Example 3:
the present embodiment will be understood by those skilled in the art as a more specific description of embodiment 1.
The embodiment provides an automatic device for drawing a glass capillary needle point, which mainly comprises a heating component, a hopper mechanism, two groups of needle pressing mechanisms, a cylinder device and other structures, and realizes the drawing methods for different needle-type needle points, namely, the automatic device can be integrated with automatic needle loading and needle drawing, and the length and the shape of the drawn needle point are kept consistent.
The working principle of the automation equipment for drawing the glass capillary needle point of the embodiment is as follows:
a set of linear sliding rail with double sliding tables is arranged on the table top of the equipment, a heating assembly is arranged at the middle position of the sliding rail and the position of a heating plate can be randomly adjusted 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, and the pressing needle structures are respectively composed of two air cylinders and two V-shaped groove type aluminum parts and are used for fixing a glass blank tube so that the blank tube cannot displace in the process of drawing a needle point.
A group of double-rod air cylinders are arranged on the table top on the inner side of the linear sliding rail and parallel to the sliding rail, one end of each air cylinder is provided with a V-shaped aluminum piece, the V-shaped aluminum piece is combined with a V-shaped groove aluminum piece in a needle pressing structure to form a push-pin structure, and the relative position of the glass blank tube in the V-shaped groove can be automatically adjusted through the push-pin structure.
Two groups of identical parallel bar air cylinders are arranged at the lower part of the table top, one end of each air cylinder is connected with two strip aluminum pieces, and the strip aluminum pieces penetrate through the table top to be connected with the pressing array structure, so that the pressing needle structure is provided with power for sliding on the linear sliding rail.
Two groups of pressing needle structures are connected through four groups of pulleys at two ends of the linear slide rail by using two steel wire ropes to bypass the encoder, one end of each steel wire rope is connected with the pressing needle structure, and the other end is connected with the high-speed cylinder.
An infrared thermometer is arranged right above the heating component and used for monitoring the temperature change of the heating plate in real time. The innermost side of the table top is provided with a precise mechanical arm for automatically placing the glass blank tube into the V-shaped groove of the needle pressing structure.
When the glass blank tube is drawn, the prepared glass blank tube is put into a hopper mechanism in a whole batch, a needle point drawing program is started, two groups of parallel bar air cylinders push the two groups of needle pressing structures to a heating component and lean against the heating component, the glass blank tube automatically slides onto a hopper blank tube support one by one from the hopper, a mechanical arm takes the blank tube to be put into a V-shaped groove of the needle pressing structure, the blank tube passes through a heating sheet to reach the other group of needle pressing structures through a push pin structure, the needle pressing air cylinders of the two groups of needle pressing structures simultaneously pop up to press the blank tube, at the moment, the air cylinders at the two ends of the needle pressing structures are automatically moved away, because the two groups of needle pressing structures simultaneously press the blank tube, the two groups of needle pressing structures can not pop up, at the moment, the heating sheet starts to heat the blank tube, and the glass blank tube slowly softens along with the change of heating temperature time, and when the glass blank tube is softened to a stretching condition, the two groups of needle pressing structures are simultaneously pulled into two needle blanks with uniform length and the needle point shape under the action of a high-speed air cylinder, thus the whole circular operation is completed, and the whole batch of glass blank tube is automatically drawn, and a series of operation is completed.
The equipment of the embodiment has the advantages that the equipment can simultaneously draw needle blanks with the length and the shape of the needle tip completely consistent according to the requirements, and the whole drawing process is automatically completed without manual assistance.
The application realizes the effects that one device can draw different needle type needle points, the needle point lengths are consistent, and the needle is automatically installed and pulled.
In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
The foregoing describes specific embodiments of the present application. It is to be understood that the application is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the application. The embodiments of the application and the features of the embodiments may be combined with each other arbitrarily without conflict.
Claims (5)
1. A glass capillary tip draw apparatus comprising: the device comprises a feeding assembly (1), a push pin mechanism (2), a first pin pressing mechanism (3), a heating assembly (4), a second pin pressing mechanism (5) and a driving assembly (6); the feeding assembly (1) is used for placing a workpiece to be machined on the first needle pressing mechanism (3);
the first needle pressing mechanism (3) and the second needle pressing mechanism (5) are arranged on the mounting table top (13) in a sliding manner along the same straight line, and the first needle pressing mechanism (3) and the second needle pressing mechanism (5) are respectively arranged on two sides of the heating assembly (4); 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 processed, and the heating assembly (4) is used for heating the workpiece to be processed;
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 component (4) and the push pin mechanism (2); the needle pushing mechanism (2) is used for pushing the workpiece to be processed into the heating assembly (4) and the second needle pressing mechanism (5) from the first needle pressing mechanism (3) in sequence;
the driving assembly (6) is in driving connection with the first needle pressing mechanism (3) and the second needle pressing mechanism (5);
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 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 drawing driving 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 cylinder (6024), and the other end of the steel wire (6021) bypasses the encoder (6022) and the pulley (6023) to be connected to the first needle pressing mechanism (3) and the second needle pressing mechanism (5);
the sliding driving assembly (601) comprises a first double-rod air cylinder (6011), a second double-rod air cylinder (6012), a first connecting piece (6013) and a second connecting piece (6014);
one end of the first connecting piece (6013) is connected with the driving end of the first double-rod air cylinder (6011), and the other end of the first connecting piece (6013) is used for pushing the first needle pressing mechanism (3) in an abutting mode;
one end of the second connecting piece (6014) is connected with the driving end of the second double-rod air cylinder (6012), and the other end of the second connecting piece (6014) is used for pushing the second needle pressing mechanism (5) in an abutting mode;
the push pin mechanism (2) comprises a third double-rod cylinder (201), a connecting frame (202) and a push 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 processed;
the first needle pressing mechanism (3) comprises a first groove-shaped piece (301), a first cylinder bracket (302), a first needle pressing cylinder (303) and a first needle pressing structure (304);
the first groove-shaped piece (301) is arranged on the mounting table top (13) in a sliding mode, the first air cylinder bracket (302) is arranged on the first groove-shaped piece (301), the first needle pressing air cylinder (303) is arranged on the first air cylinder bracket (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 being matched, pressed and fixed to the workpiece to be machined;
the second needle pressing mechanism (5) comprises a second groove-shaped piece (501), a second cylinder bracket (502), a second needle pressing cylinder (503) and a second needle pressing structure (504);
the second groove-shaped piece (501) is arranged on the mounting table-board (13) in a sliding mode, the second cylinder bracket (502) is arranged on the second groove-shaped piece (501), the second needle pressing cylinder (503) is arranged on the second cylinder bracket (502), and the second needle pressing structure (504) is arranged at the driving end of the second needle pressing cylinder (503);
the second pressing needle structure (504) is arranged corresponding to the second groove-shaped piece (501), and the second groove-shaped piece (501) and the second pressing needle structure (504) are used for being matched and pressed to fix the workpiece to be machined.
2. Glass capillary needle point drawing apparatus according to claim 1, characterized in that the feeding assembly (1) comprises a hopper (101), a hopper blank tube holder (102) and a precision mechanical arm (103);
the discharge gate direction of hopper (101) hopper base pipe support (102) set up, accurate arm (103) set up on mounting mesa (13), accurate arm (103) are used for with wait that the machined part on hopper base pipe support (102) is placed on first needle pressing mechanism (3).
3. Glass capillary needle point drawing device according to claim 1, characterized in that the mounting table (13) is provided with a linear slide (7);
the first needle pressing mechanism (3) and the second needle pressing mechanism (5) are both arranged on the linear slide rail (7) in a sliding way;
the heating point of the heating component (4) is positioned above the linear sliding rail (7).
4. Glass capillary needle point drawing device according to claim 1, characterized in that the mounting table (13) is provided with an infrared thermometer holder (8) and an infrared thermometer (9);
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 positioned right above the heating component (4), and the infrared thermometer (9) is used for monitoring the temperature of the heating sheet of the heating component (4).
5. A glass capillary needle tip drawing apparatus according to claim 1, further comprising a housing (10), an acrylic cover (11) and a display assembly (12);
the mounting table top (13) is arranged on the shell (10), and the acrylic cover (11) is covered on the mounting table top (13);
the display component (12) is arranged on the shell (10), and the display component (12) is used for displaying working conditions in the acrylic 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 CN115466043A (en) | 2022-12-13 |
| CN115466043B true 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 |
|---|---|
| CN115466043A (en) | 2022-12-13 |
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