CN-122006969-A - Automatic dispensing device is glued to PUR

CN122006969ACN 122006969 ACN122006969 ACN 122006969ACN-122006969-A

Abstract

The application discloses a PUR (polyurethane) adhesive automatic dispensing device which comprises an automatic adhesive dispensing mechanism, an intermittent adhesive discharging mechanism and an intermittent adhesive discharging mechanism, wherein the automatic adhesive dispensing mechanism comprises an adhesive dispensing module, a Z-axis lifting module for driving the adhesive dispensing module to lift and a first Y-axis translation module for driving the adhesive dispensing module to translate, the adhesive dispensing module is arranged in a working state, when a carrier bearing electric core carrier moves to an adhesive dispensing station, the Z-axis lifting module, the first Y-axis translation module and the X-axis translation module are matched with each other, the automatic adhesive dispensing mechanism is used for automatically dispensing an electric core to be dispensed on the electric core carrier, and the intermittent adhesive discharging mechanism comprises an adhesive discharging box, the adhesive discharging box is provided with a working position and an idle position, and the adhesive discharging module is further arranged in the idle state, and is used for intermittently discharging the adhesive from the adhesive discharging box according to a preset time interval when the adhesive discharging box is switched to the working position. According to the technical scheme, the stability of the dispensing quality can be obviously improved, the manual cleaning frequency and the downtime intervention time are reduced, and the continuous production efficiency and the automatic operation reliability of equipment are improved.

Inventors

ZHANG JUNYU
Tang Xinzhao
WU XIANG
YAN ZHENGHANG

Assignees

浙江欧米加智能装备有限公司

Dates

Publication Date: 20260512
Application Date: 20260407

Claims (10)

1. The automatic PUR glue dispensing device is characterized by comprising a feeding mechanism, an automatic glue dispensing mechanism and an intermittent glue discharging mechanism, wherein the automatic PUR glue dispensing device is also provided with a feeding station, a glue dispensing station and a discharging station, The feeding mechanism comprises a battery cell carrier, a carrier bearing platform for bearing and positioning the battery cell carrier and an X-axis translation module for driving the carrier bearing platform to move back and forth among the feeding station, the dispensing station and the discharging station, wherein the battery cell carrier is arranged to bear and position a battery cell to be dispensed; The automatic dispensing mechanism comprises a dispensing module, a Z-axis lifting module for driving the dispensing module to lift and a first Y-axis translation module for driving the dispensing module to translate, wherein the dispensing module is arranged in a working state, and when the electric core carrier borne by the carrier bearing platform moves to the dispensing station, the Z-axis lifting module, the first Y-axis translation module and the X-axis translation module are matched to perform automatic dispensing operation on an electric core to be dispensed on the electric core carrier; the intermittent glue discharging mechanism comprises a glue discharging box, wherein the glue discharging box is provided with a working position located at the glue dispensing station and an idle position far away from the glue dispensing station, and the glue dispensing module is further arranged in an idle state.
2. The PUR glue automatic dispensing apparatus of claim 1, wherein the intermittent glue discharging mechanism further comprises a second Y-axis translation module that drives the glue discharging box to switch back and forth between the rest position and the working position.
3. The automatic PUR glue dispensing device of claim 1, wherein the intermittent glue discharging mechanism further comprises a glue discharging state detection module arranged above the glue discharging box, and the glue discharging state detection module is configured to detect a glue liquid form of the current glue discharging after each intermittent glue discharging of the glue dispensing module is completed to generate a corresponding glue discharging feedback signal; The glue dispensing module is further arranged to adjust the glue discharging time interval of the next intermittent glue discharging according to the glue discharging feedback signal.
4. The PUR glue automatic dispensing apparatus of claim 1, wherein the intermittent glue discharging mechanism further comprises a glue amount detection sensor disposed in the glue discharging box, the glue amount detection sensor being configured to detect a glue accumulation amount in the glue discharging box in real time, and output a glue discharging cleaning reminding signal when the glue accumulation amount reaches a preset glue amount threshold.
5. The PUR glue automatic dispensing apparatus of claim 1, wherein a first positioning clamp block and a second positioning clamp block are respectively provided on an upper surface of the electric core carrier, and the first positioning clamp block and the second positioning clamp block are oppositely arranged to form an electric core positioning groove between the first positioning clamp block and the second positioning clamp block, and the electric core positioning groove is configured to clamp and fix the electric core to be dispensed.
6. The PUR glue automatic dispensing apparatus of claim 5, wherein at least one of the first positioning clamp block and the second positioning clamp block is movably disposed such that a spacing between the first positioning clamp block and the second positioning clamp block is adjustable.
7. The automatic dispensing device for PUR glue of claim 1, wherein the electric core carrier is of a rectangular structure, an L-shaped fixed stop block and a movable stop block with an L-shaped clamping groove are respectively arranged on the upper surface of the carrier bearing platform, the L-shaped fixed stop block and the L-shaped clamping groove are arranged diagonally, so that a carrier positioning groove with adjustable size is formed between the L-shaped fixed stop block and the L-shaped clamping groove under the diagonal movement of the movable stop block, and the carrier positioning groove is arranged to clamp and fix the electric core carrier.
8. The automatic PUR glue dispensing device of claim 7, wherein the upper surface of the carrier loading platform is further provided with an in-place detection sensor, and the in-place detection sensor is configured to detect whether the carrier positioning groove clamps and fixes the electric core carrier; The X-axis translation module is arranged to translate the carrier bearing platform from the feeding station to the dispensing station when the in-place detection sensor detects that the carrier positioning groove is clamped and fixed with the battery cell carrier.
9. The automatic dispensing device of PUR glue according to claim 1, wherein the carrier bearing platform is further internally provided with a weighing sensor, and the weighing sensor is configured to obtain the current actual dispensing amount in real time when the dispensing module performs automatic dispensing operation on the to-be-dispensed electric core on the electric core carrier; The dispensing module is further configured to automatically adjust a current dispensing speed according to a difference between the actual dispensing amount and a preset dispensing amount.
10. The automatic dispensing device for PUR glue according to any one of claims 1 to 9, wherein the automatic dispensing mechanism further comprises a visual positioning module arranged above the dispensing station, the visual positioning module is configured to collect a glue dispensing quality image of the current to-be-dispensed cell after the dispensing module completes a primary dispensing operation of the current to-be-dispensed cell, and the dispensing module is further configured to perform a secondary dispensing operation of the current to-be-dispensed cell under the cooperation of the Z-axis lifting module, the first Y-axis translation module and the X-axis translation module according to a comparison result of the glue dispensing quality image and a preset target point glue quality image.

Description

Automatic dispensing device is glued to PUR Technical Field The application relates to the technical field of battery cell dispensing, in particular to a PUR automatic dispensing device. Background In the manufacturing process of the lithium ion battery or the battery pack, dispensing and gluing are indispensable processes. The PUR glue is commonly used, and the curing mode of the PUR glue is that an NH2 active group is generated by the reaction of an NCO group in the PUR glue under the action of water vapor, and the NH2 active group reacts with the rest of the NCO group, so that the PUR is crosslinked and cured. As the size and quality of the cells in the battery pack are more and more tightly controlled, the accuracy, the amount and the uniformity of dispensing are also more and more tightly controlled. In the related art, the existing dispensing device generally only has basic feeding and dispensing functions, and the dispensing module is driven by the translation and lifting module to perform dispensing operation on the positioned battery cell. However, in actual continuous production, in the standby or process switching stage of the dispensing module, partial curing of PUR glue at the glue outlet is easy to occur due to long-time exposure to air, so that the fluidity of glue solution is poor, the glue outlet is not smooth, and even the phenomenon of blocking of the glue nozzle occurs. The stability of the dispensing quality is affected, frequent manual intervention is needed for cleaning, and the production efficiency is reduced. Disclosure of Invention The application aims to provide an automatic PUR glue dispensing device, which aims to solve the problems that the existing glue dispensing device is easy to cause poor fluidity of glue solution, unsmooth glue discharge and even blockage of a glue nozzle due to partial solidification of PUR glue at a glue outlet exposed in the air for a long time, thereby influencing the stability of glue dispensing quality and reducing production efficiency. To achieve the purpose, the embodiment of the application provides a PUR automatic dispensing device, which comprises a feeding mechanism, an automatic dispensing mechanism and an intermittent dispensing mechanism, wherein the PUR automatic dispensing device is also provided with a feeding station, a dispensing station and a discharging station, The feeding mechanism comprises a battery cell carrier, a carrier bearing platform for bearing and positioning the battery cell carrier and an X-axis translation module for driving the carrier bearing platform to move back and forth among the feeding station, the dispensing station and the discharging station, wherein the battery cell carrier is arranged to bear and position a battery cell to be dispensed; The automatic dispensing mechanism comprises a dispensing module, a Z-axis lifting module for driving the dispensing module to lift and a first Y-axis translation module for driving the dispensing module to translate, wherein the dispensing module is arranged in a working state, and when the electric core carrier borne by the carrier bearing platform moves to the dispensing station, the Z-axis lifting module, the first Y-axis translation module and the X-axis translation module are matched to perform automatic dispensing operation on an electric core to be dispensed on the electric core carrier; the intermittent glue discharging mechanism comprises a glue discharging box, wherein the glue discharging box is provided with a working position located at the glue dispensing station and an idle position far away from the glue dispensing station, and the glue dispensing module is further arranged in an idle state. Optionally, in some embodiments of the present application, the intermittent glue discharging mechanism further includes a second Y-axis translation module driving the glue discharging box to switch back and forth between the rest position and the working position. Optionally, in some embodiments of the present application, the intermittent glue discharging mechanism further includes a glue discharging state detection module disposed above the glue discharging box, where the glue discharging state detection module is configured to detect a glue solution state of a current glue discharging after each intermittent glue discharging of the glue dispensing module is completed, so as to generate a corresponding glue discharging feedback signal; The glue dispensing module is further arranged to adjust the glue discharging time interval of the next intermittent glue discharging according to the glue discharging feedback signal. Optionally, in some embodiments of the present application, the intermittent glue discharging mechanism further includes a glue amount detection sensor disposed in the glue discharging box, where the glue amount detection sensor is configured to detect a glue solution accumulation amount in the glue discharging box in real time, and output a glue disch