CN111957507A - Dispensing disc that annular goes out to glue - Google Patents
Dispensing disc that annular goes out to glue Download PDFInfo
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- CN111957507A CN111957507A CN202010639700.0A CN202010639700A CN111957507A CN 111957507 A CN111957507 A CN 111957507A CN 202010639700 A CN202010639700 A CN 202010639700A CN 111957507 A CN111957507 A CN 111957507A
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- glue
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
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Abstract
The invention relates to an annular glue-discharging dispensing disc, which comprises an annular glue needle and a glue cylinder; the glue cylinder is arranged in the middle of the dispensing disc, and supplies glue to the glue needle through an annular glue channel under external pressure, so that glue solution is extruded from the bottom end of the glue needle; the vertical section of the rubber channel is an S-shaped bent channel which lies flat; the invention can realize annular linear glue discharging, greatly improves the glue dispensing speed for annular workpieces, and can reduce or avoid the glue dripping condition by the design, thereby meeting the actual production requirement.
Description
Technical Field
The invention relates to the field of glue dispensers, in particular to a glue dispensing disc for annular glue discharging.
Background
The dispenser is also called a glue spreader, a glue dispenser, a glue filling machine and the like, and is specially used for controlling the fluid. And the fluid is dripped and coated on the surface of the product or an automatic machine inside the product, so that three-dimensional and four-dimensional path dispensing, accurate positioning, accurate glue control, no wire drawing, no glue leakage and no glue dripping can be realized. The glue dispenser is mainly used for accurately dispensing, injecting, coating and dripping glue, paint and other liquids in a product process to each accurate position of a product, and can be used for realizing dispensing, line drawing, circular or arc.
The existing dispensing principle of a dispensing machine is that a mode of applying pressure from the rear part of a glue cylinder through air pressure or mechanical pressure is generally adopted, so that glue solution in the glue cylinder is extruded out through a long and thin needle tube to realize dispensing, when linear dispensing is needed, a dispensing head is required to move on the surface of a workpiece, and the glue solution is continuously extruded at the same time, the method needs to consider the uniformity of extrusion of the glue solution, so that continuous pressure application and glue extrusion are required, the dispensing head cannot move too fast, the dispensing time is long, the dispensing efficiency is not high, particularly, various workpieces needing dispensing are provided with a plurality of ring-shaped pieces, the dispensing of general ring-shaped pieces needs to uniformly distribute glue along the ring surfaces, and a dispensing tool special for dispensing such workpieces is specially designed, so that the dispensing tool has strong market demand, can bring remarkable benefits, can improve the problems, and improve the dispensing efficiency of the ring-shaped workpieces; however, the linear dispensing is easy to generate glue dripping due to the large dispensing amount, and this technical problem is one of the important problems to be overcome in the development of the linear dispensing industry.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the annular glue discharging dispensing disc, the annular glue discharging dispensing disc can realize annular linear glue discharging, the glue dispensing speed is greatly improved for an annular workpiece, and meanwhile, the design of the annular glue discharging dispensing disc can reduce or avoid the glue dripping condition and meet the actual production requirement.
The technical scheme of the invention is as follows:
the first scheme is as follows:
an annular glue-discharging dispensing disc comprises an annular glue needle and a glue cylinder; the glue cylinder is arranged in the middle of the dispensing disc, and supplies glue to the glue needle through an annular glue channel under external pressure, so that glue solution is extruded from the bottom end of the glue needle; the vertical section of the rubber channel is an S-shaped bent channel which lies flat.
Wherein the rubber needle and the rubber channel are enclosed by an upper elastic sheet and a lower elastic sheet; the upper elastic sheet and the lower elastic sheet are fixedly connected through a plurality of connecting sheets which are uniformly distributed around the center of the dispensing disc.
The thickness of the upper elastic sheet, the thickness of the lower elastic sheet and/or the thickness of the connecting sheet are gradually reduced from the center of the dispensing disc to the outside.
Wherein an elastic liquid bag is arranged below the dispensing disc; the elastic liquid bag is adhered to and covers the lower end face of the lower elastic sheet or the upper end face of the upper elastic sheet; the elastic liquid bag is filled with the electrorheological fluid, and an external electric field controls the phase state of the electrorheological fluid in the elastic liquid bag.
Wherein the electrorheological fluid is a suspension of non-conductive particles having a diameter of μm or less in an insulating fluid;
the upper part of the elastic liquid bag is adhered to the lower elastic sheet, the lower part of the elastic liquid bag is a serrated elastic disc which can stretch out and draw back along the radial direction, and the serrated elastic disc is also connected with and supported on the dispensing disc main body through a support column.
The rubber channel comprises a rubber channel body, wherein two inner bends of the rubber channel body are respectively attached with a first electrostrictive sheet and a second electrostrictive sheet in an arc shape, and an external electric field drives the radian change of the inner bends of the rubber channel body by controlling the first electrostrictive sheet and the second electrostrictive sheet to stretch.
The magnetostrictive sheets can also be used for replacing electrostrictive sheets, the first magnetostrictive sheet and the second magnetostrictive sheet which are arc-shaped are respectively attached to the two inner bends of the rubber track, and an external magnetic field drives the radian change of the inner bends of the rubber track by controlling the first magnetostrictive sheet and the second magnetostrictive sheet to stretch; annular conductive rods are embedded in the two inward bends of the rubber channel respectively; the annular conductive rod is disconnected by an insulating part in the circumferential direction so as to avoid becoming a closed conductor; and alternating current or pulse current is introduced into the annular conductive rod to enable the annular conductive rod to generate an annular magnetic field vertical to the length direction along any point of the perimeter of the annular conductive rod, the first magnetostrictive sheet and the second magnetostrictive sheet are made of longitudinal magnetostrictive materials, the arc of the first magnetostrictive sheet is approximately parallel to the annular magnetic field, and the first magnetostrictive sheet and the second magnetostrictive sheet stretch under the action of the changed annular magnetic field.
Scheme II:
an annular glue-discharging dispensing disc comprises an annular glue needle and a glue cylinder; the glue cylinder is arranged in the middle of the dispensing disc, and supplies glue to the glue needle through an annular glue channel under external pressure, so that glue solution is extruded from the bottom end of the glue needle; the vertical section of the rubber channel is an S-shaped bent channel which lies flat.
Wherein the rubber needle and the rubber channel are enclosed by an upper elastic sheet and a lower elastic sheet; the upper elastic sheet and the lower elastic sheet are fixedly connected through a plurality of connecting sheets which are uniformly distributed around the center of the dispensing disc.
The thickness of the upper elastic sheet, the thickness of the lower elastic sheet and/or the thickness of the connecting sheet are gradually reduced from the center of the dispensing disc to the outside.
Wherein, a sawtooth-shaped elastic disc is arranged below the lower elastic sheet and is fixedly connected with the outer wall of the inner side of the rubber needle in a sealing way, and a cavity is enclosed by the sawtooth-shaped elastic disc and the lower elastic sheet; the cavity is filled with an electrorheological fluid, and the quantity of the electrorheological fluid is just enough to enable the electrorheological fluid to submerge the high part of the sawtooth-shaped elastic disc; an annular electrostriction ring is fixedly connected with the rubber needle along the outer wall of the inner side of the rubber needle; the length of the electrostriction ring is changed under the action of an electric field so as to adjust the dispensing diameter of the annular glue needle.
The rubber channel comprises a rubber channel body, wherein two inner bends of the rubber channel body are respectively attached with a first electrostrictive sheet and a second electrostrictive sheet in an arc shape, and an external electric field drives the radian change of the inner bends of the rubber channel body by controlling the first electrostrictive sheet and the second electrostrictive sheet to stretch.
The magnetostrictive sheets can also be used for replacing electrostrictive sheets, the first magnetostrictive sheet and the second magnetostrictive sheet which are arc-shaped are respectively attached to the two inner bends of the rubber track, and an external magnetic field drives the radian change of the inner bends of the rubber track by controlling the first magnetostrictive sheet and the second magnetostrictive sheet to stretch; annular conductive rods are embedded in the two inward bends of the rubber channel respectively; the annular conductive rod is disconnected by an insulating part in the circumferential direction so as to avoid becoming a closed conductor; and alternating current or pulse current is introduced into the annular conductive rod to enable the annular conductive rod to generate an annular magnetic field vertical to the length direction along any point of the perimeter of the annular conductive rod, the first magnetostrictive sheet and the second magnetostrictive sheet are made of longitudinal magnetostrictive materials, the arc of the first magnetostrictive sheet is approximately parallel to the annular magnetic field, and the first magnetostrictive sheet and the second magnetostrictive sheet stretch under the action of the changed annular magnetic field.
The invention has the following beneficial effects:
1. the invention can realize annular linear glue discharging, greatly improves the glue dispensing speed for annular workpieces, and can reduce or avoid the glue dripping condition by the design, thereby meeting the actual production requirement.
2. The invention realizes the reduction or the avoidance of the glue dripping by using the design of the glue channel with the vertical section of the S-shaped bent channel which is laid horizontally, has simple and stable principle, balances the weight of the glue solution in the glue needle by using the air pressure difference between the inside and the outside to ensure that the glue solution can not drip, and simply and effectively solves the glue dripping problem which is easy to occur in the glue dripping with large glue output.
3. The invention utilizes the action of the electrorheological fluid, and utilizes the applied electric field to quickly convert the electrorheological fluid filled in the elastic liquid bag or the electrorheological fluid immersed in the zigzag elastic disc into a solid at the moment of pressurizing glue injection, thereby instantly reinforcing the structural strength of the glue dispensing disc, and avoiding the deformation of the glue dispensing disc caused by unbalanced force due to a special structure in the process of pressurizing glue injection, wherein the deformation can cause the deviation of the glue dispensing position of the glue needle.
4. The diameter of the rubber needle can be adjusted by utilizing the serrated elastic disc, the serrated design of the rubber needle has good horizontal flexibility and good vertical deformation resistance, and is matched with the current variant, the current variant immersed in the serrated part can effectively enhance the strength of the serrated elastic disc after being solidified, the serrated elastic disc is prevented from deforming, and the solidification process of the current variant is reversible, so that the capability of adjusting the diameter of the rubber needle is reserved.
5. The invention utilizes the magnetostriction principle, utilizes the annular magnetic field generated by the annular conductive rod under the action of electrification, and the first magnetostriction sheet and the second magnetostriction sheet are longitudinal magnetostriction materials which extend and shorten along the magnetic field direction, so that under the action of the annular magnetic field generated by the long conductor electrified with alternating current or pulse current, the first magnetostriction sheet and the second magnetostriction sheet can change in length when being shortened, thereby changing the bending radian of the inner bend of the rubber channel, further keeping the S-shaped bent rubber channel structure, and properly adjusting the diameter of the rubber needle to meet the dispensing requirements of the circular workpieces with different diameters in the range.
6. According to the invention, the first and second magnetic telescopic sheets or the first and second electrostrictive sheets are combined with the electrostrictive ring, so that the diameter of the rubber needle can be rapidly and accurately regulated and controlled, and linear glue dispensing is conveniently carried out on circular workpieces with different diameters; the overcurrent can be instantly connected before each pressurizing glue injection to ensure that the diameter of the glue needle reaches the designed diameter, so that the strength of the glue dispensing disc is enough to support the pressurizing glue discharging process without deformation; after the glue dispensing is finished, the current is cut off, the glue dispensing disc returns, and in the process, as the glue dispensing disc is wholly unfolded, the residual glue solution in the glue needle can retract upwards, so that the possibility of glue dripping is further reduced.
Drawings
FIG. 1 is a schematic vertical cross-sectional view of a dispensing disc using magnetostrictive sheets in accordance with an embodiment of the invention;
FIG. 2 is a schematic vertical sectional view of a dispensing tray using electrostrictive sheets according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a vacuum bubble generated by the dispensing plate according to the present invention;
FIG. 4 is a schematic vertical sectional view of a dispensing disc according to a second embodiment of the present invention;
FIG. 5 is a schematic view of the internal structure of the dispensing plate of the present invention.
The reference numbers in the figures denote:
1-rubber needle, 2-rubber cylinder, 3-rubber channel, 31-first magnetostrictive sheet, 32-second magnetostrictive sheet, 33-annular conductive rod, 34-first electrostrictive sheet, 35-second electrostrictive sheet, 41-upper elastic sheet, 42-lower elastic sheet, 43-connecting sheet, 5-elastic liquid bag, 51-sawtooth elastic disc, 52-support column, 53-current variant, 54-electrostrictive ring and 6-vacuum bubble.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
The first embodiment is as follows:
referring to fig. 1 to 3 and 5, an annular dispensing disc for dispensing glue comprises an annular glue needle 1 and a glue cylinder 2; the glue cylinder 2 is arranged in the middle of the dispensing disc, and supplies glue to the glue needle 1 through an annular glue channel 3 under external pressure, so that glue solution is extruded from the bottom end of the glue needle 1; the vertical section of the rubber channel 3 is an S-shaped bent channel which lies flat.
The principle of the method is that after glue dispensing is finished and glue extrusion is stopped, glue in a glue needle 1 moves downwards by a small distance under the gravity, and the distance can enable part of the glue to extend out of a glue outlet of the glue needle 1 but is not large enough to enable the glue to be large and drip; at this moment, due to the design of the S-shaped bent channel of the glue channel 3, the inner bend of the glue channel close to the glue barrel 2 is kept in a full-filling state, the full-filled glue plays a role of isolating the inside and outside air, the glue solution in the glue needle 1 moves downwards for a short distance, so that the glue channel 3 is enabled to form a vacuum bubble close to the top of the inner bend of the glue needle, the inside and outside air pressure difference of the glue needle 1 is promoted to be formed, the inside and outside air pressure difference and the weight of the glue solution in the glue needle 1 are balanced, and the glue solution is enabled not to drip.
Further, the rubber needle 1 and the rubber channel 3 are enclosed by an upper elastic sheet 41 and a lower elastic sheet 42; the upper elastic sheet 41 and the lower elastic sheet 42 are fixedly connected through a plurality of connecting sheets 43 uniformly distributed around the center of the dispensing disc.
Further, the thickness of the upper elastic sheet 41, the lower elastic sheet 42 and/or the connecting sheet 41 is gradually reduced from the center of the dispensing disc to the outside.
Further, an elastic liquid bag 5 is arranged below the dispensing disc; the elastic liquid bag 5 is adhered to and covers the lower end face of the lower elastic sheet 42 or the upper end face of the upper elastic sheet 41; the elastic liquid bag 5 is filled with the electrorheological fluid 53, and an external electric field controls the phase state of the electrorheological fluid 53 in the elastic liquid bag 5.
Further, the electrorheological fluid 53 is a suspension of non-conductive particles with a diameter of 100 μm or less in an insulating fluid;
further, the upper part of the elastic liquid bag 5 is adhered to the lower elastic sheet 42, the lower part is a serrated elastic disc 51 which can stretch and contract along the radial direction, and the serrated elastic disc 51 is also connected and supported on the dispensing disc main body through a support 52.
Further, an arc-shaped first electrostrictive sheet 34 and an arc-shaped second electrostrictive sheet 35 are respectively attached to two inner bends of the rubber track 3, and an external electric field drives the radian change of the inner bends of the rubber track 3 by controlling the first electrostrictive sheet 34 and the second electrostrictive sheet 35 to stretch and contract.
The magnetostrictive sheets can also be used for replacing electrostrictive sheets, the two inner bends of the rubber track 3 are respectively attached with a first magnetostrictive sheet 31 and a second magnetostrictive sheet 32 which are arc-shaped, and an external magnetic field drives the radian change of the inner bends of the rubber track 3 by controlling the first magnetostrictive sheet 31 and the second magnetostrictive sheet 32 to stretch; annular conductive rods 33 are respectively embedded in the two inner bends of the rubber channel 3; the annular conductive rod 33 is broken in the circumferential direction by an insulating portion to avoid being a closed conductor; alternating current or pulse current is introduced into the annular conductive rod 33 to enable the annular conductive rod 33 to generate an annular magnetic field perpendicular to the length direction at any point along the circumference of the annular conductive rod, the first magnetostrictive sheet 31 and the second magnetostrictive sheet 32 are made of longitudinal magnetostrictive materials, the arc of the first magnetostrictive sheet is approximately parallel to the annular magnetic field, and the first magnetostrictive sheet and the second magnetostrictive sheet stretch under the action of the changed annular magnetic field.
By utilizing the magnetostrictive principle, an annular magnetic field is generated by an annular conductive rod under the action of electrification, the first magnetostrictive sheet 31 and the second magnetostrictive sheet 32 are longitudinal magnetostrictive materials and extend and shorten along the direction of the magnetic field, so that under the action of the annular magnetic field generated by a long conductor which is electrified with alternating current or pulse current, the first magnetostrictive sheet 31 and the second magnetostrictive sheet 32 can change in length when being shortened, the bending radian of the inner bend of the rubber channel 3 is changed, the diameter of the rubber needle 1 is properly adjusted while the S-shaped bent rubber channel structure is kept, and the dispensing requirements of circular ring-shaped workpieces with different diameters in a range are met.
The magnitude of the electrifying current of each telescopic sheet corresponding to the designed diameter of the glue needle 1 is determined only through a parameter table or actual test, so that the overcurrent can be instantly connected before each pressurizing glue injection to enable the diameter of the glue needle 1 to reach the designed diameter, and the strength of the glue dispensing disc is enough to support the pressurizing glue discharging process without deformation; after dispensing, the current is cut off, and the dispensing disc returns, in the process, as the whole dispensing disc is unfolded, the residual glue solution in the glue needle 1 can retract upwards, thereby further reducing the possibility of glue dripping.
Example two:
referring to fig. 4 and 5, an annular dispensing disc for dispensing glue comprises an annular glue needle 1 and a glue cylinder 2; the glue cylinder 2 is arranged in the middle of the dispensing disc, and supplies glue to the glue needle 1 through an annular glue channel 3 under external pressure, so that glue solution is extruded from the bottom end of the glue needle 1; the vertical section of the rubber channel 3 is an S-shaped bent channel which lies flat.
Further, the rubber needle 1 and the rubber channel 3 are enclosed by an upper elastic sheet 41 and a lower elastic sheet 42; the upper elastic sheet 41 and the lower elastic sheet 42 are fixedly connected through a plurality of connecting sheets 43 uniformly distributed around the center of the dispensing disc.
Further, the thickness of the upper elastic sheet 41, the lower elastic sheet 42 and/or the connecting sheet 41 is gradually reduced from the center of the dispensing disc to the outside.
Further, a sawtooth-shaped elastic disc 51 is arranged below the lower elastic sheet 42 and is fixedly connected with the outer wall of the inner side of the rubber needle 1 in a sealing way, and a cavity 53 is enclosed together with the lower elastic sheet 42; the cavity 53 is filled with the electrorheological fluid 53, and the quantity of the electrorheological fluid 53 is just enough to enable the electrorheological fluid 53 to submerge the upper part of the sawtooth-shaped elastic disc 51; an annular electrostrictive ring 54 is fixedly connected with the rubber needle 1 along the outer wall of the inner side thereof; the electrostrictive ring 54 changes its length under the action of an electric field to adjust the dispensing diameter of the annular glue needle 1.
Further, an arc-shaped first electrostrictive sheet 34 and an arc-shaped second electrostrictive sheet 35 are respectively attached to two inner bends of the rubber track 3, and an external electric field drives the radian change of the inner bends of the rubber track 3 by controlling the first electrostrictive sheet 34 and the second electrostrictive sheet 35 to stretch and contract.
The magnetostrictive sheets can also be used for replacing electrostrictive sheets, the two inner bends of the rubber track 3 are respectively attached with a first magnetostrictive sheet 31 and a second magnetostrictive sheet 32 which are arc-shaped, and an external magnetic field drives the radian change of the inner bends of the rubber track 3 by controlling the first magnetostrictive sheet 31 and the second magnetostrictive sheet 32 to stretch; annular conductive rods 33 are respectively embedded in the two inner bends of the rubber channel 3; the annular conductive rod 33 is broken in the circumferential direction by an insulating portion to avoid being a closed conductor; alternating current or pulse current is introduced into the annular conductive rod 33 to enable the annular conductive rod 33 to generate an annular magnetic field perpendicular to the length direction at any point along the circumference of the annular conductive rod, the first magnetostrictive sheet 31 and the second magnetostrictive sheet 32 are made of longitudinal magnetostrictive materials, the arc of the first magnetostrictive sheet is approximately parallel to the annular magnetic field, and the first magnetostrictive sheet and the second magnetostrictive sheet stretch under the action of the changed annular magnetic field.
By utilizing the magnetostrictive principle, an annular magnetic field is generated by an annular conductive rod under the action of electrification, the first magnetostrictive sheet 31 and the second magnetostrictive sheet 32 are longitudinal magnetostrictive materials and extend and shorten along the direction of the magnetic field, so that under the action of the annular magnetic field generated by a long conductor which is electrified with alternating current or pulse current, the first magnetostrictive sheet 31 and the second magnetostrictive sheet 32 can change in length when being shortened, the bending radian of the inner bend of the rubber channel 3 is changed, the diameter of the rubber needle 1 is properly adjusted while the S-shaped bent rubber channel structure is kept, and the dispensing requirements of circular ring-shaped workpieces with different diameters in a range are met.
The sizes of the electrified currents of the telescopic pieces and the electrostriction ring 54 corresponding to the designed diameter of the glue needle 1 are determined only through a parameter table or actual test, so that the overcurrent can be instantly connected before each pressurizing glue injection to enable the diameter of the glue needle 1 to reach the designed diameter, and the strength of the glue dispensing disc is enough to support the pressurizing glue discharging process without deformation; after dispensing, the current is cut off, and the dispensing disc returns, in the process, as the whole dispensing disc is unfolded, the residual glue solution in the glue needle 1 can retract upwards, thereby further reducing the possibility of glue dripping.
Because the quantity of the current variants is not large, the current required by the solidification is not large, and therefore, the solid state of the current variants can be kept after the diameter of the glue needle 1 is determined, so that the diameter of the glue needle 1 is solidified, continuous glue dispensing production is carried out, and because the sizes of workpieces are diversified, when glue dispensing is required to be carried out on other sizes, due to the reversibility of solidification of the current variants, the current is only required to be cut off, the diameter of the glue needle 1 is readjusted and then electrified and solidified again, the sizes in an adjustment range can be all the same, and the glue dispensing disc does not need to be replaced. The use method can also be used for directly and manually adjusting the diameter of the rubber needle 1, for example, the diameter of the rubber needle 1 is kept by using a standard-size ring to open the rubber needle 1 and then electrifying and curing the electroform; in this case, the main function of the electrostrictive or magnetostrictive sheet is to reinforce the strength of the inner bend of the rubber track 3.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides an annular goes out some adhesive deposite dish of gluing which characterized in that: comprises an annular rubber needle (1) and a rubber cylinder (2); the glue cylinder (2) is arranged in the middle of the dispensing disc, and supplies glue to the glue needle (1) through an annular glue channel (3) under external pressure, so that the glue solution is extruded from the bottom end of the glue needle (1); the vertical section of the rubber channel (3) is an S-shaped bent channel which lies flat.
2. The dispensing disc for annular dispensing of glue of claim 1, wherein: the rubber needle (1) and the rubber channel (3) are enclosed by an upper elastic sheet (41) and a lower elastic sheet (42); the upper elastic sheet (41) and the lower elastic sheet (42) are fixedly connected through a plurality of connecting sheets (43) which are uniformly distributed around the center of the dispensing disc.
3. The dispensing disc for annular dispensing of glue of claim 2, wherein: the thicknesses of the upper elastic sheet (41), the lower elastic sheet (42) and/or the connecting sheet (41) are gradually reduced from the center of the dispensing disc to the outside.
4. The dispensing disc for annular dispensing of glue of claim 3, wherein: an elastic liquid bag (5) is arranged below the dispensing disc; the elastic liquid bag (5) is adhered to and covers the lower end face of the lower elastic sheet (42) or the upper end face of the upper elastic sheet (41); the elastic liquid bag (5) is filled with an electrorheological fluid (53), and an external electric field controls the phase state of the electrorheological fluid (53) in the elastic liquid bag (5).
5. The dispensing disc for annular dispensing of glue of claim 4, wherein: the electrorheological fluid (53) is a suspension of non-conductive particles having a diameter (100) μm or less in an insulating fluid.
6. The dispensing disc for annular dispensing of glue of claim 4, wherein: the upper part of the elastic liquid bag (5) is adhered to the lower elastic sheet (42), the lower part is a serrated elastic disc (51) which can stretch out and draw back along the radial direction, and the serrated elastic disc (51) is also connected and supported on the dispensing disc main body through a support column (52).
7. The dispensing disc for annular dispensing of glue of claim 2, wherein: a sawtooth-shaped elastic disc (51) is arranged below the lower elastic sheet (42) and is fixedly connected with the outer wall of the inner side of the rubber needle (1) in a sealing way, and a cavity (53) is enclosed together with the lower elastic sheet (42); the cavity (53) is filled with an electrorheological fluid (53), and the quantity of the electrorheological fluid (53) is just enough to enable the electrorheological fluid (53) to submerge the high part of the zigzag elastic disc (51); an annular electrostriction ring (54) is fixedly connected with the rubber needle (1) along the outer wall of the inner side of the rubber needle; the length of the electrostriction ring (54) is changed under the action of an electric field so as to change the dispensing diameter of the annular glue needle (1).
8. The dispensing disc for annular dispensing of glue according to any of claims 2 to 7, characterized in that: the rubber track is characterized in that a first electrostrictive sheet (34) and a second electrostrictive sheet (35) which are arc-shaped are respectively attached to two inner bends of the rubber track (3), and an external electric field drives the radian of the inner bends of the rubber track (3) to change by controlling the first electrostrictive sheet (34) and the second electrostrictive sheet (35) to stretch.
9. The dispensing disc for annular dispensing of glue according to any of claims 2 to 7, characterized in that: the rubber track is characterized in that a first magnetostrictive sheet (31) and a second magnetostrictive sheet (32) which are arc-shaped are respectively attached to two inner bends of the rubber track (3), and an external magnetic field drives the radian of the inner bends of the rubber track (3) to change by controlling the first magnetostrictive sheet (31) and the second magnetostrictive sheet (32) to stretch.
10. The dispensing disc for annular dispensing of glue of claim 9, wherein: annular conductive rods (33) are respectively embedded at the two inner bends of the rubber channel (3); the annular conductive rod (33) is broken by an insulating portion in the circumferential direction so as not to become a closed conductor; alternating current or pulse current is introduced into the annular conducting rod (33) to enable the annular conducting rod (33) to generate an annular magnetic field perpendicular to the length direction at any point of the circumference of the annular conducting rod, the first magnetostrictive sheet (31) and the second magnetostrictive sheet (32) are made of longitudinal magnetostrictive materials, the arc of the first magnetostrictive sheet is approximately parallel to the annular magnetic field, and the first magnetostrictive sheet and the second magnetostrictive sheet stretch under the action of the changed annular magnetic field.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0550004A (en) * | 1991-08-24 | 1993-03-02 | Hitachi Maxell Ltd | Coating method for coating liquid and coating device therefor |
| US20020145061A1 (en) * | 2001-04-06 | 2002-10-10 | Newbold John D. | Nozzle for precision liquid dispensing and method of making |
| CN105032717A (en) * | 2015-09-18 | 2015-11-11 | 京东方科技集团股份有限公司 | Frame-sealing-glue coating nozzle and frame-sealing-glue coating device |
| CN207446627U (en) * | 2017-11-16 | 2018-06-05 | 苏州中触科工精密科技有限公司 | A kind of magnetostrictive rod drives microdot adhesive dispenser |
| CN207805893U (en) * | 2017-12-11 | 2018-09-04 | 资溪新云峰木业有限公司 | A kind of wood-based planet glue spreader sizer |
| CN208341059U (en) * | 2018-04-12 | 2019-01-08 | 广东普赛达密封粘胶有限公司 | A kind of Jiao Zui and packing element of adjustable bore |
| CN208466357U (en) * | 2018-07-06 | 2019-02-05 | 广东中商国通电子股份有限公司 | For lead-acid accumulator primer and the annular adhesive dispensing device of coloring agent |
| CN208960276U (en) * | 2018-08-24 | 2019-06-11 | 北京铂阳顶荣光伏科技有限公司 | Glue-spreading head and discharging device |
-
2020
- 2020-07-06 CN CN202010639700.0A patent/CN111957507B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0550004A (en) * | 1991-08-24 | 1993-03-02 | Hitachi Maxell Ltd | Coating method for coating liquid and coating device therefor |
| US20020145061A1 (en) * | 2001-04-06 | 2002-10-10 | Newbold John D. | Nozzle for precision liquid dispensing and method of making |
| CN105032717A (en) * | 2015-09-18 | 2015-11-11 | 京东方科技集团股份有限公司 | Frame-sealing-glue coating nozzle and frame-sealing-glue coating device |
| CN207446627U (en) * | 2017-11-16 | 2018-06-05 | 苏州中触科工精密科技有限公司 | A kind of magnetostrictive rod drives microdot adhesive dispenser |
| CN207805893U (en) * | 2017-12-11 | 2018-09-04 | 资溪新云峰木业有限公司 | A kind of wood-based planet glue spreader sizer |
| CN208341059U (en) * | 2018-04-12 | 2019-01-08 | 广东普赛达密封粘胶有限公司 | A kind of Jiao Zui and packing element of adjustable bore |
| CN208466357U (en) * | 2018-07-06 | 2019-02-05 | 广东中商国通电子股份有限公司 | For lead-acid accumulator primer and the annular adhesive dispensing device of coloring agent |
| CN208960276U (en) * | 2018-08-24 | 2019-06-11 | 北京铂阳顶荣光伏科技有限公司 | Glue-spreading head and discharging device |
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