CN213967450U - Multi-pipeline accurate metering device for dispensing machine - Google Patents
Multi-pipeline accurate metering device for dispensing machine Download PDFInfo
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- CN213967450U CN213967450U CN202022828282.8U CN202022828282U CN213967450U CN 213967450 U CN213967450 U CN 213967450U CN 202022828282 U CN202022828282 U CN 202022828282U CN 213967450 U CN213967450 U CN 213967450U
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Abstract
The utility model discloses an accurate metering device of multi-pipeline for point gum machine solves among the prior art that multistation point gum machine device structure is complicated, and the deviation is big, the machining precision can't, take place the friction damage easily, causes the technical problem of weeping. The utility model provides a multi-pipeline accurate metering device for a dispenser, which comprises a controller, a driving device, a glue inlet metering device and a glue outlet valve, wherein the glue inlet metering device comprises a first glue inlet main pump, a glue inlet pipe, a second metering preparation chamber, a plurality of small metering chambers and a glue outlet pipe which are mutually communicated in a sealing way in sequence; every little measurement cavity and second measurement prepare the cavity and all carry out fixed connection through the shell body, and the upper portion of every little measurement cavity is equipped with rather than assorted piston and piston rod respectively, and the piston can stretch into in the little measurement cavity, squeezes into glue in the little measurement cavity with the point glue valve department rather than corresponding in a directional way simultaneously and carries out quantitative extrusion glue. But wide application in some adhesive equipment technical field.
Description
Technical Field
The utility model relates to a dispensing equipment technical field specifically is an accurate metering device of multi-pipeline for point gum machine.
Background
The glue dispensing is to smear, encapsulate and drip electronic glue, oil and the like to a specific position of a product, and aims to achieve the effects of pasting, encapsulating, insulating, fixing, smooth surface and the like of the product. In industrial production, dispensing is required in many places, such as integrated circuits, printed circuit boards, color liquid crystal screens, electronic components, automobile parts, and the like.
At present, it generally has two kinds of structures to use dispensing device simultaneously at point gum machine station: one structure is to concentrate a plurality of injecting glue units in an organism, through different injecting glue units of different valve control to realize the multiple spot is glued simultaneously. However, the multi-head quantitative glue injection device has a complex structure, and the control of each valve is difficult to be performed synchronously, so that the glue injection amount of each glue injection unit is different, and the consistency of the quality of manufactured products is affected. The other multi-station simultaneous dispensing structure divides glue extruded from a pump into a plurality of parts through a multi-branch needle head, or adopts an increasing mode of one-to-two and two-to-four, and finally realizes the multi-station simultaneous dispensing. According to the method for realizing multi-station glue dispensing through branches, glue dispensed from each path has slight deviation, when a workpiece has high technological requirements (such as workpieces like an ignition coil and the like), the deviation greatly affects the quality of the workpiece, the processing precision of each part is difficult to keep consistent, the matching precision among the parts is difficult to control, the deviation of the mounting position among any parts affects the precision control of glue injection quantity, and the precision of the glue injection quantity cannot be guaranteed. Especially, when the glue used for dispensing is high-viscosity glue, the piston and the pump cavity chamber are easy to rub and damage during the dispensing process, and leakage such as liquid leakage is caused.
Disclosure of Invention
The utility model provides a glue-injecting device which has the advantages that the structure design is ingenious, the glue-injecting units can simultaneously and synchronously carry out glue-injecting at multiple stations, the glue-injecting quantity difference of each glue-injecting unit is small, the accuracy is high, and the consistency of the quality of the manufactured products is ensured; the application range is wide, and the method is particularly suitable for encapsulating workpieces with higher process requirements and dispensing high-viscosity colloid; the glue dispenser is not easy to rub and damage in the using process, and the service life of the glue dispenser is long.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a multi-pipeline accurate metering device for a dispenser, which comprises a controller, a driving device, a glue inlet metering device and a glue outlet valve, wherein the glue inlet metering device comprises a first glue inlet main pump, a glue inlet pipe, a second metering preparation chamber, a plurality of small metering chambers and a glue outlet pipe which are mutually communicated in a sealing way in sequence; every little measurement cavity and second measurement prepare the cavity and all carry out fixed connection through the shell body, the upper portion of every little measurement cavity is equipped with rather than assorted piston and piston rod respectively, the piston rod passes in the upper end of shell body gets into the second measurement prepares in the cavity, the control piston is measured at the second and prepares between cavity and the little measurement cavity up-and-down motion, the piston can stretch into in the little measurement cavity, glue directional the squeezing into in the little measurement cavity simultaneously rather than the dispensing valve department that corresponds carries out quantitative extrusion glue.
Preferably, the driving device comprises a servo motor, a screw rod group, a piston rod group and a piston, the servo motor is connected with the screw rod group through a coupler, the servo motor is transmitted to the screw rod group when rotating, and a screw rod nut moves up and down to drive the piston rod group and the piston to move up and down simultaneously.
Preferably, the joint of the bottom of the second metering preparation chamber and the small metering chamber is designed into a V-shaped structure, the bottom of the piston is also designed into a conical structure matched with the bottom of the second metering preparation chamber, and when the piston can extend into the small metering chamber, the outer side wall of the upper part of the piston is matched with the inner side wall of the small metering chamber in a fitting manner.
Preferably, the piston rods are transversely and fixedly connected through the connecting rods and used for limiting the piston rods to move up and down simultaneously.
Preferably, a sealing body device is further fixedly arranged at the joint of the upper end of the second metering preparation chamber and the piston rod.
Preferably, the bottom of the small metering chamber is also connected with a one-way valve which only allows the colloid to flow from the inside to the outside of the small metering chamber.
Preferably, the servo motor is further provided with a fixing support, the servo motor is fixedly arranged on the fixing support, and the fixing support is further provided with an induction limiting module which is electrically connected with the controller and used for limiting the up-and-down movement position of the screw rod nut.
Preferably, the side wall of the second metering preparation chamber is provided with a glue inlet, and the first glue inlet main pump is communicated with the glue inlet through a glue inlet pipe.
The utility model provides a multi-pipeline accurate metering device for dispensing machine. The method has the following beneficial effects:
(1) the utility model discloses a multi-pipeline accurate metering device for dispenser, structural design is ingenious, and the glue is glued simultaneously to the multistation, and single way point is glued and is become the multichannel point and glue and can promote the productivity, and each way of multichannel point is glued and is measured alone, can guarantee the product control of each work piece;
meanwhile, the valves are controlled synchronously, the glue injection quantity difference of each glue injection unit is small, the precision is high, and the consistency of the quality of manufactured products is guaranteed. The glue filling device is particularly suitable for filling and sealing workpieces with higher technological requirements and dispensing glue with high-viscosity glue.
(2) The utility model discloses a multi-pipeline accurate metering device for a dispenser, during operation, the driving device can accurately control the up-and-down movement distance of the piston rod and the piston through the matching of the lead screw and the lead screw nut, the glue output control precision is greatly improved, and the product control precision of each workpiece can be ensured; and the control of each valve is synchronously carried out, so that the consistency and the accuracy of the processing quality of each workpiece are further ensured.
(3) The utility model discloses a multi-pipeline accurate metering device for a dispenser, in the use process of dispensing, because of structural design, the second measurement prepares the buffer transition between the cavity and a plurality of little measurement cavities, can effectively reduce its friction to little measurement cavity tip, prolongs its life; meanwhile, the rear section of the pump and the secondary metering preparation chamber are connected into a whole, the seal is arranged on the upper part of the preparation chamber and is not contacted with the glue, and the situation that the glue is extruded and leaked due to the sealing failure of the piston and the cavity in the metering process is effectively avoided.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a part of the structure of the present invention;
FIG. 3 is a schematic structural diagram of the right side view of FIG. 2;
fig. 4 is a schematic structural view of a partially enlarged view of a in fig. 1.
In the figure: 1. the glue dispensing device comprises a glue dispensing valve, 2 a first glue inlet main pump, 3 a glue inlet pipe, 4 a second metering preparation chamber, 5 a small metering chamber, 6 a glue outlet pipe, 7 an outer shell, 8 a piston, 9 a piston rod, 10 a servo motor, 11 a lead screw nut, 12 a sealing body device, 13 a one-way valve, 14 a lead screw and 15 a fixing support.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-4, the present invention provides a technical solution:
the utility model provides a multi-pipeline accurate metering device for a dispenser, which comprises a controller, a driving device, a glue inlet metering device and a glue outlet valve 1, wherein the glue inlet metering device comprises a first glue inlet main pump 2, a glue inlet pipe 3, a second metering preparation chamber 4, a plurality of small metering chambers 5 and a glue outlet pipe 6 which are mutually sealed and communicated in sequence; every little metering cavity 5 and second measurement prepare chamber 4 and all carry out fixed connection through shell body 7, the upper portion of every little metering cavity 5 is equipped with respectively rather than assorted piston 8 and piston rod 9, piston rod 9 passes the upper end of shell body 7 and gets into in the second measurement prepares chamber 4, control piston 8 is measured and is prepared between chamber 4 and little metering cavity 5 up-and-down motion, piston 8 can stretch into in little metering cavity 5, glue directional the driving into in the little metering cavity 5 simultaneously and carry out quantitative extrusion glue rather than the dispensing valve 1 department that corresponds. The driving device comprises a servo motor 10, a screw rod group, a piston rod group and a piston 8, wherein the servo motor 10 is connected with the screw rod group through a coupler, the servo motor 10 is transmitted to the screw rod group when rotating, and a screw rod nut 11 moves up and down to drive the piston rod group and the piston 8 to move up and down simultaneously. The side wall of the second metering preparation chamber 4 is provided with a glue inlet, and the first glue inlet main pump 2 is communicated with the glue inlet through a glue inlet pipe. The utility model discloses an accurate metering device of multi-pipeline for point gum machine, each valve metering control goes on in step, prepare cavity 4 and a plurality of little metering cavity 5's structural design through the second measurement, when guaranteeing to advance the accurate control of gluey volume in every little metering cavity 5, through controller and drive arrangement, control lead screw 14 and screw-nut 11's cooperation, can accurate control piston rod 9 and piston 8 reciprocate the distance, the accurate measurement ration of little metering cavity 5 goes out to glue, it all obtains showing the improvement with the uniformity of going out simultaneously to glue volume control accuracy to make it go out.
The utility model discloses a multi-pipeline accurate metering device for dispenser, structural design is ingenious, and the multistation is glued simultaneously, and single way point is glued and is changed into the multichannel and glue and go on simultaneously, on the one hand, can promote the productivity; on the other hand, each path of the multi-path dispensing is independently metered, the accuracy is obviously improved, and the quality control of each workpiece can be ensured. The glue injection amount difference of each glue injection unit is small, the precision is high, and the consistency of the quality of manufactured products is guaranteed. The glue filling device is particularly suitable for filling and sealing workpieces with higher technological requirements and dispensing glue with high-viscosity glue.
The piston rods are all fixedly connected in the transverse direction through the connecting rods and used for limiting the piston rods 9 to move up and down simultaneously, the consistency of the up-and-down movement of each piston rod and each piston is further ensured, and the consistency of the glue outlet amount at the small metering chamber 5 of each station is ensured.
The utility model provides an accurate metering device of multi-pipeline for point gum machine, it still is equipped with fixed bolster 15, servo motor 10 sets firmly on fixed bolster 15, still be equipped with the spacing module of response of being connected with the controller electricity on the fixed bolster 15, a moving position about being used for restricting screw-nut 11, further accurate control lead screw 14 and screw-nut 11's cooperation, the reciprocating distance of accurate control piston rod 9 and piston 8, the accurate measurement ration play of little measurement cavity 5 is glued, it further obtains guaranteeing to make it go out gluey volume control precision.
The bottom of the second metering preparation chamber 4 and the connection of the small metering chamber 5 are designed into a V-shaped structure, the bottom of the piston 8 is also designed into a conical structure matched with the bottom of the piston, when the piston 8 can extend into the small metering chamber 5, the outer side wall of the upper part of the piston 8 is matched with the inner side wall of the small metering chamber 5 in a fitting manner, and the structure can further improve the accuracy of the glue entering the small metering chamber 5 from the bottom of the second metering preparation chamber 4 and the accurate control of the glue outlet amount.
In advancing gluey in-process, because the utility model discloses a structural design, the second measures the intercommunication between preparing cavity 4 and a plurality of little measurement cavity 5, advance gluey process, the part glue of being extruded by piston 8 directly gets into the second and measures and prepare cavity 4, the second measures and excessively can effectively reduce its friction to little measurement cavity 5 tip between the two of preparing cavity 4 and a plurality of little measurement cavity 5 buffering, prolong its life, when measuring the use, piston 8 is when little measurement cavity 5 internal extrusion colloid, even take place the side leakage, also can extrude the colloid to the second measure prepare in cavity 4, the leakage phenomena such as glue aqueous liquid leaks outward can not take place.
The joint of the upper end of the second metering preparation chamber 4 and the piston rod 9 is further fixedly provided with a sealing body device 12, so that on one hand, smooth, accurate and effective going on of the up-and-down movement of the piston rod 9 is ensured, on the other hand, the leakage of lubricating oil of a bearing at the joint of the upper end of the second metering preparation chamber 4 and the piston rod 9 is effectively avoided, and the pollution of the lubricating oil to glue in the second metering preparation chamber 4 is prevented.
The bottom of the small metering chamber 5 is also connected with the one-way valve 13, the colloid is only allowed to circulate from the inside of the small metering chamber 5 to the outside, and the interference to the outside air entering the second metering preparation chamber 4 and the small metering chamber 5 in the use process is effectively avoided, so that the processing quality of a workpiece is influenced, and the continuous and effective proceeding of the whole dispensing process is ensured.
The specific using process is as follows:
(1) and (3) an idle discharge process: as shown in fig. 1 and 4, the matching of a servo motor 10, a screw rod 14 and a screw rod nut 11 is controlled by a controller, the up-and-down movement distance of a piston rod 9 and a piston 8 is precisely controlled, after the piston 8 is lifted to a glue feeding front position, a metered glue volume is extruded by a first glue feeding main pump 2, and then is pumped into a secondary metering preparation chamber 4, and then flows into a small metering chamber 5 from the secondary metering preparation chamber 4, and finally flows out from a glue dispensing valve 1 through a one-way valve 13, so that air in the whole device is removed, and the inner chambers of the secondary metering preparation chamber 4 and the small metering chamber 5 are filled with glue;
after the air spitting process is finished, closing the one-way valve 13;
(2) and (3) metering the glue discharging process:
the controller controls the servo motor 10, the lead screw 14 and the lead screw nut 11 to be matched, the downward movement of the piston rod 9 and the piston 8 is accurately controlled, meanwhile, the one-way valve 13 is pressed open by glue pressure, and at the moment, the glue pressed into the small metering chamber 5 from the secondary metering preparation chamber 4 is metered and extruded out through the one-way valve 13;
after the piston 8 reaches the descending rated stroke, the piston 8 moves upwards, the one-way valve 13 is closed due to the suck-back of glue, the controller controls the servo motor 10, the lead screw 14 and the lead screw nut 11 to be matched, the piston rod 9 and the piston 8 are accurately controlled to move upwards, and the piston 8 rises and vacuum is generated in the small metering chamber 5; when the piston 8 is about to withdraw from the small metering chamber 5, the colloidal resin in the small metering chamber 5 is instantaneously sucked into the small metering chamber 5 under the action of vacuum force, and stops after the piston 8 reaches the ascending rated stroke, so that the simultaneous and accurate metering of a plurality of pipelines is completed at one time, and then the simultaneous and accurate metering of the next plurality of pipelines is started under the control of the controller.
The reciprocating circulation is adopted, the motion of each piston rod 9 and the motion of each piston 8 are consistent, the stroke is the same, the metering accuracy and precision of each path of glue are ensured, and therefore, each workpiece is ensured to have the same quality characteristic. Compared with the prior art, the utility model discloses a point gum machine is with accurate metering device of multi-line, with the first glue that advances that 2 measures of gluey main pump extrude the back through the pressurization, do not shunt it earlier, but let it flow in the secondary measurement prepares in cavity 4, the sub-unit connection that cavity 4 was prepared in the secondary measurement has a plurality of little measurement cavities 5, be connected with piston 8 and piston rod 9 device in each little measurement cavity 5 respectively, piston 8 and piston rod 9 still pass through the connecting rod and connect, further guarantee that each piston 8's action is unanimous, the stroke is the same.
In summary, the utility model discloses a multi-pipeline accurate metering device for dispenser, structural design is ingenious, and the multistation is glued simultaneously, and each valve control goes on in step, and the injecting glue volume difference of each injecting glue unit is little, the accuracy is high, guarantees the uniformity of preparation product quality; the application range is wide, and the method is particularly suitable for encapsulating workpieces with higher process requirements and dispensing high-viscosity colloid; the friction damage is not easy to occur in the using process, the service life is long, and the leakage phenomena such as liquid leakage and the like are effectively avoided.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A multi-pipeline accurate metering device for a dispenser is characterized by comprising a controller, a driving device, a glue inlet metering device and a glue outlet valve, wherein the glue inlet metering device comprises a first glue inlet main pump, a glue inlet pipe, a second metering preparation chamber, a plurality of small metering chambers and a glue outlet pipe which are sequentially and mutually communicated in a sealing manner; every little metering cavity with the second measures and prepares the cavity and all carries out fixed connection through the shell body, every the upper portion of little metering cavity is equipped with respectively rather than assorted piston and piston rod, the piston rod passes the upper end of shell body gets into in the second measures and prepares the cavity, control the piston is in the second measures prepare the cavity with up-and-down motion between the little metering cavity, the piston can stretch into in the little metering cavity, simultaneously with glue orientation in the little metering cavity is squeezed into rather than the dispensing valve department that corresponds and is carried out quantitative pressure glue.
2. The multi-pipeline precise metering device for the dispenser according to claim 1, wherein the driving device comprises a servo motor, a screw rod group, a piston rod group and a piston, the servo motor is connected with the screw rod group through a coupler, the servo motor is conducted to the screw rod group when rotating, and a screw rod nut moves up and down to drive the piston rod group and the piston to move up and down simultaneously.
3. The multi-pipeline precise metering device for the dispenser according to claim 2, wherein a joint between the bottom of the second metering preparation chamber and the small metering chamber is designed to be a V-shaped structure, the bottom of the piston is also designed to be a conical structure matched with the bottom of the second metering preparation chamber, and when the piston can extend into the small metering chamber, the outer side wall of the upper part of the piston is matched with the inner side wall of the small metering chamber in a fitting manner.
4. The multi-pipeline accurate metering device for the dispenser according to claim 3, wherein the plurality of piston rods are transversely and fixedly connected through connecting rods and used for limiting the plurality of piston rods to move up and down simultaneously.
5. The multi-pipeline precise metering device for the dispenser according to claim 2, wherein a sealing body device is further fixedly arranged at the joint of the upper end of the second metering preparation chamber and the piston rod.
6. The multi-pipeline precise metering device for the dispenser according to claim 2, wherein the bottom of the small metering chamber is further connected with a one-way valve, and only colloid is allowed to flow from the inside to the outside of the small metering chamber.
7. The multi-pipeline accurate metering device for the dispenser according to claim 2, further comprising a fixing bracket, wherein the servo motor is fixedly arranged on the fixing bracket, and the fixing bracket is further provided with an induction limiting module electrically connected with the controller for limiting the up-and-down movement position of the screw nut.
8. The multi-pipeline precise metering device for the dispenser according to claim 2, wherein a glue inlet is formed in a side wall of the second metering preparation chamber, and the first glue inlet main pump is communicated with the glue inlet through a glue inlet pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022828282.8U CN213967450U (en) | 2020-11-30 | 2020-11-30 | Multi-pipeline accurate metering device for dispensing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022828282.8U CN213967450U (en) | 2020-11-30 | 2020-11-30 | Multi-pipeline accurate metering device for dispensing machine |
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| CN213967450U true CN213967450U (en) | 2021-08-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117960513A (en) * | 2024-04-02 | 2024-05-03 | 江苏斯凯氟复合材料有限公司 | Glue supply equipment and method for PET high-temperature adhesive tape production |
-
2020
- 2020-11-30 CN CN202022828282.8U patent/CN213967450U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117960513A (en) * | 2024-04-02 | 2024-05-03 | 江苏斯凯氟复合材料有限公司 | Glue supply equipment and method for PET high-temperature adhesive tape production |
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