CN105327829A - Impact type diaphragm micro jet dispensing device - Google Patents
Impact type diaphragm micro jet dispensing device Download PDFInfo
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- CN105327829A CN105327829A CN201510891086.6A CN201510891086A CN105327829A CN 105327829 A CN105327829 A CN 105327829A CN 201510891086 A CN201510891086 A CN 201510891086A CN 105327829 A CN105327829 A CN 105327829A
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Abstract
The invention relates to dispensing devices, particularly to an impact type diaphragm micro jet dispensing device which comprises an air cylinder, a gland, a stroke adjustment lever, a piston rod, springs, a jet chamber, a diaphragm, a nozzle and a high-frequency electromagnetic valve, wherein the gland is mounted above the air cylinder; the stroke adjustment lever is mounted in the gland through screw threads; the piston rod is arranged in the air cylinder; the springs are arranged between the gland and the piston rod, and are pressed on the upper end surface of the piston rod; the piston rod is positioned below the stroke adjustment lever; the jet chamber is mounted below the air cylinder; the diaphragm is mounted between the jet chamber and the air cylinder in a clamping manner, and is positioned below the piston rod; the nozzle is mounted on the lower end surface of the jet chamber; and the high-frequency electromagnetic valve is communicated with the air cylinder. According to the impact type diaphragm micro jet dispensing device, the impact force of the piston rod is transferred to the liquid in the jet chamber through the diaphragm, and the direct contact of the piston rod and the nozzle and the glue liquor is avoided, so that the particles in the glue liquor are not damaged during the jet of the glue liquor containing particles, the severe abrasion of the nozzle is avoided, and the use cost is reduced.
Description
Technical field
The present invention relates to point glue equipment, particularly relate to the micro-specking adhesive dispenser of a kind of impact type diaphragm.
Background technology
Fluid point glue is a kind of process of in a controlled manner fluid being carried out to accurately distribute, and it is the key technology of Electronic Packaging industry.Traditional contact dispensing technology relies on dispensing needle head to be adhered on substrate by glue.Compared to contact point glue mode, it is fast that noncontact injecting type dispensing technology has a glue speed, and glue point volume is little, and glue point uniformity is high, and operation is flexible strong, and without the need to advantages such as Z axis motions.
But what micro-specking adhesive dispenser major part that scholar place is studied in the market or now adopted is striker nozzle arrangements, and striker high-speed motion hits nozzle, ejects after making the liquid at nozzle place form partial high pressure through nozzle.The direct shock of striker and nozzle can cause nozzle heavy wear, substantially increase the maintenance cost of ejecting adhesive dispenser, firing pin type ejecting adhesive dispenser simultaneously, the solid particle in glue can be destroyed when spraying glue (as conductive silver paste) with solid particle, and cause the change of liquid material.Up to now, also do not have a kind of device can reduce injection apparatus cost, the accurate injection of being with particle-liquid can be realized again.
Summary of the invention
The object of the invention is the defect overcoming prior art existence, provide a kind of and reduce injection apparatus cost, the micro-specking adhesive dispenser of impact type diaphragm being with particle-liquid accurately to spray can be realized again.
The technical scheme realizing the object of the invention is: the micro-specking adhesive dispenser of a kind of impact type diaphragm, comprise cylinder, gland, stroke regulating lever, piston rod, spring, spray chamber, diaphragm, nozzle and high-frequency electromagnetic valve, gland is arranged on the top of cylinder, stroke regulating lever is arranged in gland by screw thread, piston rod is arranged in the cylinder, spring is arranged between gland and piston rod, spring is pressed on the upper surface of piston rod, piston rod is positioned at the below of stroke regulating lever, spray chamber is arranged on the below of cylinder, diaphragm is installed between spray chamber and cylinder, diaphragm is positioned at the below of piston rod, nozzle is arranged on the lower surface of spray chamber, high-frequency electromagnetic valve is communicated with cylinder.
As prioritization scheme of the present invention, the micro-specking adhesive dispenser of impact type diaphragm also comprises the fairlead adopting high-abrasive material to make, and fairlead is used for the motion of guide piston bar, and the connecting rod of piston rod is arranged in fairlead.
As prioritization scheme of the present invention, the first sealing ring and the second sealing ring is also provided with in cylinder, first sealing ring is arranged on the piston of piston rod, and the second sealing ring is arranged between the piston lower surface of piston rod and fairlead, forms closed chamber between the first sealing ring and the second sealing ring.
As prioritization scheme of the present invention, cylinder is also provided with air admission hole, one end of air admission hole is connected with high-frequency electromagnetic valve, and the other end of air admission hole is connected with closed chamber.
As prioritization scheme of the present invention, spray chamber comprises glue feeding opening, liquid storage cylinder, diaphragm mounting groove and nozzle mounting groove, glue feeding opening is connected with liquid storage cylinder, diaphragm mounting groove is arranged on the outer wall of liquid storage cylinder, diaphragm is arranged in diaphragm mounting groove, nozzle mounting groove is arranged on the below of liquid storage cylinder, and nozzle is arranged in nozzle mounting groove.
As prioritization scheme of the present invention, between diaphragm and diaphragm mounting groove, be provided with the Fluid Sealing ring for sealing liquid storage cylinder.
As prioritization scheme of the present invention, the lower surface of spray chamber is also provided with nozzle holder, and nozzle is arranged in nozzle mounting groove by described nozzle holder.
The present invention has positive effect: diaphragm of the present invention produces distortion under the percussion of piston rod, glue in extruding spray chamber, form jet, piston rod is replied under the effect of driving gas, diaphragm resets, drop leaves nozzle and forms injection, the impulsive force of piston rod is transferred on the glue in spray chamber by diaphragm, avoid piston rod to contact with the direct of glue with nozzle, in whole course of injection, piston rod first strikes on diaphragm after motion certain distance under the action of the spring again, the impulsive force that glue in spray chamber will be subject to piston rod in the moment of clashing into and brings, such glue will be ejected by easier.The stroke of piston rod limit by the inner face of stroke regulating lever lower surface and cylinder, namely the stroke each time of piston rod is all the same with impulsive force, so just can realize the accurate injection of glue.By adjustment stroke adjusting rod, can the stroke of regulating piston bar, therefore, to the glue of different viscosities, different impulsive forces can be regulated.The impulsive force of piston rod has transferred to injection intracavity liquid by diaphragm, avoid piston rod to contact with the direct of glue with nozzle, like this when jet band particle glue, particle wherein can not be destroyed, turn avoid the sharp wear of nozzle, reduce the use cost of the micro-specking adhesive dispenser of impact type diaphragm.
Accompanying drawing explanation
In order to make content of the present invention more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation, wherein:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the Local map of spray chamber of the present invention;
Fig. 3 is course of work schematic diagram of the present invention.
Wherein, 1, cylinder, 2, gland, 3, stroke regulating lever, 4, piston rod, 5, spring, 6, spray chamber, 7, diaphragm, 8, nozzle, 9, high-frequency electromagnetic valve, 10, fairlead, the 11, first sealing ring, 12, the second sealing ring, 13, Fluid Sealing ring, 14, nozzle holder, 41, the upper surface of piston rod, 42, closed chamber, 43, air admission hole, 61, glue feeding opening, 62, liquid storage cylinder, 63, diaphragm mounting groove, 64, nozzle mounting groove, 44, the lower surface of piston rod, 45, the inner face of cylinder, 31, the lower surface of stroke regulating lever.
Detailed description of the invention
As shown in Figure 1, the invention discloses the micro-specking adhesive dispenser of a kind of impact type diaphragm, comprise cylinder 1, gland 2, stroke regulating lever 3, piston rod 4, spring 5, spray chamber 6, diaphragm 7, nozzle 8 and high-frequency electromagnetic valve 9, gland 2 is arranged on the top of cylinder 1, stroke regulating lever 3 is arranged in gland 2 by screw thread, piston rod 5 is arranged in cylinder 1, spring 5 is arranged between gland 2 and piston rod 4, spring 5 is pressed on the upper surface 41 of piston rod, piston rod 4 is positioned at the below of stroke regulating lever 3, spray chamber 6 is arranged on the below of cylinder 1, diaphragm 7 is installed between spray chamber 6 and cylinder 1, diaphragm 7 is positioned at the below of piston rod 4, nozzle 8 is arranged on the lower surface of spray chamber 6, high-frequency electromagnetic valve 9 is communicated with cylinder 1.Wherein, high-frequency electromagnetic valve 9 exports driving gas.
The micro-specking adhesive dispenser of impact type diaphragm also comprises the fairlead 10 adopting high-abrasive material to make, and fairlead 10 is for the motion of guide piston bar 4, and the connecting rod of piston rod 4 is arranged in fairlead 10.Wherein fairlead 10 is fixed in cylinder 1, and piston rod 4 comprises the piston on top and the connecting rod of bottom.
The first sealing ring 11 and the second sealing ring 12 is also provided with in cylinder 1, first sealing ring 11 is arranged on the piston of piston rod 4, second sealing ring 12 is arranged between the piston lower surface of piston rod 4 and fairlead 10, forms closed chamber 42 between the first sealing ring 11 and the second sealing ring 12.By controlling high-frequency electromagnetic valve 9, can control driving gas and enter closed chamber 42, piston rod 4, under the effect of driving gas, moves upward until the upper surface 41 of piston rod contacts with the lower surface 31 of stroke regulating lever.Cylinder 1 is also provided with air admission hole 43, and one end of air admission hole 43 is connected with high-frequency electromagnetic valve 9, and the other end of air admission hole 43 is connected with closed chamber 42.
As shown in Figure 2, spray chamber 6 comprises glue feeding opening 61, liquid storage cylinder 62, diaphragm mounting groove 63 and nozzle mounting groove 64, glue feeding opening 61 is connected with liquid storage cylinder 62, diaphragm mounting groove 63 is arranged on the outer wall of liquid storage cylinder 62, diaphragm 7 is arranged in diaphragm mounting groove 63, nozzle mounting groove 64 is arranged on the below of liquid storage cylinder 62, and nozzle 8 is arranged in nozzle mounting groove 64.Wherein, glue by glue feeding opening 61 for liquid storage cylinder 62 provides continuous print glue, diaphragm 7 being installed between spray chamber 6 and cylinder 1 tightly.
The Fluid Sealing ring 13 for sealing liquid storage cylinder 62 is provided with between diaphragm 7 and diaphragm mounting groove 63.
The lower surface of spray chamber 6 is also provided with nozzle holder 14, and nozzle 8 is arranged in nozzle mounting groove 64 by nozzle holder 14.
As shown in Figure 1, when normality, high-frequency electromagnetic valve 9 is opened, and driving gas enters cylinder 1 by air admission hole 43, and piston rod 4 lifts under the effect of driving gas, and diaphragm 7 is in treats duty.As shown in Figure 3, during work, high-frequency electromagnetic valve 9 cuts off the supply of driving gas, and piston rod 4, under the effect of spring 5, moves to diaphragm 7 direction.Piston rod 4 with initial velocity strikes the glue extruded together on diaphragm 7 and with dynamic diaphragm 7 in spray chamber 6, and glue is sprayed from nozzle 8.Until stop motion when the inner face 45 of cylinder is encountered in the lower surface 44 of piston rod, so far complete the injection of a glue.Subsequently, high-frequency electromagnetic valve 9 is opened, and piston rod 4 lifts, and diaphragm 7 is returned to initial position under the effect of its own resilient, ready for spraying next time.Closed by the continuous unlatching controlling high-frequency electromagnetic valve 9, the continuous injection of glue can be realized.The stroke of piston rod 4 limit by the inner face 45 of the lower surface 31 of stroke regulating lever and cylinder, can the raising height of regulating piston bar 4 by rotating distance adjusting rod 3.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the micro-specking adhesive dispenser of impact type diaphragm, it is characterized in that: comprise cylinder (1), gland (2), stroke regulating lever (3), piston rod (4), spring (5), spray chamber (6), diaphragm (7), nozzle (8) and high-frequency electromagnetic valve (9), described gland (2) is arranged on the top of cylinder (1), described stroke regulating lever (3) is arranged in gland (2) by screw thread, described piston rod (5) is arranged in cylinder (1), described spring (5) is arranged between gland (2) and piston rod (4), described spring (5) is pressed on the upper surface (41) of piston rod, described piston rod (4) is positioned at the below of stroke regulating lever (3), described spray chamber (6) is arranged on the below of cylinder (1), described diaphragm (7) is installed between spray chamber (6) and cylinder (1), described diaphragm (7) is positioned at the below of piston rod (4), described nozzle (8) is arranged on the lower surface of spray chamber (6), described high-frequency electromagnetic valve (9) is communicated with cylinder (1).
2. the micro-specking adhesive dispenser of a kind of impact type diaphragm according to claim 1, it is characterized in that: the micro-specking adhesive dispenser of described impact type diaphragm also comprises the fairlead (10) adopting high-abrasive material to make, described fairlead (10) is for the motion of guide piston bar (4), and the connecting rod of piston rod (4) is arranged in fairlead (10).
3. the micro-specking adhesive dispenser of a kind of impact type diaphragm according to claim 2, it is characterized in that: in described cylinder (1), be also provided with the first sealing ring (11) and the second sealing ring (12), described the first sealing ring (11) is arranged on the piston of piston rod (4), described the second sealing ring (12) is arranged between the piston lower surface of piston rod (4) and fairlead (10), forms closed chamber (42) between described the first sealing ring (11) and the second sealing ring (12).
4. the micro-specking adhesive dispenser of a kind of impact type diaphragm according to claim 3, it is characterized in that: described cylinder (1) is also provided with air admission hole (43), one end of air admission hole (43) is connected with high-frequency electromagnetic valve (9), and the other end of air admission hole (43) is connected with closed chamber (41).
5. the micro-specking adhesive dispenser of a kind of impact type diaphragm according to claim 1, it is characterized in that: described spray chamber (6) comprises glue feeding opening (61), liquid storage cylinder (62), diaphragm mounting groove (63) and nozzle mounting groove (64), described glue feeding opening (61) is connected with liquid storage cylinder (62), described diaphragm mounting groove (63) is arranged on the outer wall of liquid storage cylinder (62), described diaphragm (7) is arranged in diaphragm mounting groove (63), described nozzle mounting groove (64) is arranged on the below of liquid storage cylinder (62), described nozzle (8) is arranged in nozzle mounting groove (64).
6. the micro-specking adhesive dispenser of a kind of impact type diaphragm according to claim 5, is characterized in that: be provided with the Fluid Sealing ring (13) for sealing liquid storage cylinder (62) between described diaphragm (7) and diaphragm mounting groove (63).
7. the micro-specking adhesive dispenser of a kind of impact type diaphragm according to claim 5, it is characterized in that: the lower surface of described spray chamber (6) is also provided with nozzle holder (14), nozzle (8) is arranged in nozzle mounting groove (64) by described nozzle holder (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510891086.6A CN105327829A (en) | 2015-12-07 | 2015-12-07 | Impact type diaphragm micro jet dispensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510891086.6A CN105327829A (en) | 2015-12-07 | 2015-12-07 | Impact type diaphragm micro jet dispensing device |
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| CN105327829A true CN105327829A (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510891086.6A Pending CN105327829A (en) | 2015-12-07 | 2015-12-07 | Impact type diaphragm micro jet dispensing device |
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| CN (1) | CN105327829A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107127064A (en) * | 2017-05-08 | 2017-09-05 | 常州铭赛机器人科技股份有限公司 | Fluid micro injection apparatus and its execution system |
| CN107413539A (en) * | 2017-09-18 | 2017-12-01 | 马鞍山市天工科技股份有限公司 | Automatic telescopic nozzle with feedback function |
| CN108672230A (en) * | 2018-05-04 | 2018-10-19 | 苏州诺登德智能科技有限公司 | A kind of multistep speed regulation formula electricity drive gluing device |
| CN110508451A (en) * | 2019-09-05 | 2019-11-29 | 江西绪环铝业有限公司 | Gluing head and aluminum profile glue stations for aluminum profile |
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| DE3635574A1 (en) * | 1986-10-20 | 1988-04-21 | Hilti Ag | Two-chamber container with removable partition wall |
| CN101190429A (en) * | 2007-12-07 | 2008-06-04 | 华中科技大学 | High viscosity fluid microscale spraying glue dropping machine |
| CN101786068A (en) * | 2010-03-19 | 2010-07-28 | 中南大学 | Spot gluing valve based on giant magnetostrictive rod drive |
| CN101972728A (en) * | 2010-10-14 | 2011-02-16 | 深圳市宜极邦机电设备有限公司 | Volumetric quantitative jet valve |
| CN102962170A (en) * | 2012-11-16 | 2013-03-13 | 上海交通大学 | High-temperature hot-melting micro-jet dispensing device with piezoelectric drive diaphragm |
| CN205183070U (en) * | 2015-12-07 | 2016-04-27 | 常州高凯精密机械有限公司 | Impacted style diaphragm spouts adhesive deposite device a little |
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2015
- 2015-12-07 CN CN201510891086.6A patent/CN105327829A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3635574A1 (en) * | 1986-10-20 | 1988-04-21 | Hilti Ag | Two-chamber container with removable partition wall |
| CN101190429A (en) * | 2007-12-07 | 2008-06-04 | 华中科技大学 | High viscosity fluid microscale spraying glue dropping machine |
| CN101786068A (en) * | 2010-03-19 | 2010-07-28 | 中南大学 | Spot gluing valve based on giant magnetostrictive rod drive |
| CN101972728A (en) * | 2010-10-14 | 2011-02-16 | 深圳市宜极邦机电设备有限公司 | Volumetric quantitative jet valve |
| CN102962170A (en) * | 2012-11-16 | 2013-03-13 | 上海交通大学 | High-temperature hot-melting micro-jet dispensing device with piezoelectric drive diaphragm |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107127064A (en) * | 2017-05-08 | 2017-09-05 | 常州铭赛机器人科技股份有限公司 | Fluid micro injection apparatus and its execution system |
| CN107127064B (en) * | 2017-05-08 | 2019-09-27 | 常州铭赛机器人科技股份有限公司 | Fluid micro injection apparatus and its execution system |
| US11446680B2 (en) | 2017-05-08 | 2022-09-20 | Changzhou Mingseal Robot Technology Co., Ltd | Fluid micro-injection device and execution system thereof |
| CN107413539A (en) * | 2017-09-18 | 2017-12-01 | 马鞍山市天工科技股份有限公司 | Automatic telescopic nozzle with feedback function |
| CN108672230A (en) * | 2018-05-04 | 2018-10-19 | 苏州诺登德智能科技有限公司 | A kind of multistep speed regulation formula electricity drive gluing device |
| CN110508451A (en) * | 2019-09-05 | 2019-11-29 | 江西绪环铝业有限公司 | Gluing head and aluminum profile glue stations for aluminum profile |
| CN110508451B (en) * | 2019-09-05 | 2021-08-03 | 江西绪环铝业有限公司 | A rubber coating head and aluminium alloy rubber coating device for aluminium alloy |
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Application publication date: 20160217 |
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