阅读说明：本技术 实现自动换胶的热熔胶喷射阀 (Hot melt adhesive injection valve capable of realizing automatic adhesive replacement ) 是由 陈晓峰 陈雨辰 于 2021-09-27 设计创作，主要内容包括：本发明涉及一种实现自动换胶的热熔胶喷射阀,包括喷射机构和换胶机构,喷射机构包括阀体模组,阀体模组包括设置容置部的阀座、设置在阀座上的阀体、出胶组件和推胶组件,出胶组件包括出胶针和出胶部,出胶针的一端扎入胶桶内,其另一端连通出胶部,推胶组件推动胶桶脱离容置部并从阀座上掉落；换胶机构包括第一装载模组和第二装载模组,第一装载模组用于完成阀体与阀座的分离与连接,第二装载模组包括用于装载待使用的胶桶的装载部,通过第二装载模组将待使用的胶桶安装于容置部内。本发明能够在不停机的情况下实现自动换胶,解决了现有技术热熔胶喷射阀采用人工换胶存在的换胶时间长、工作效率低及工作强度大的缺陷。(The invention relates to a hot melt adhesive injection valve for realizing automatic adhesive changing, which comprises an injection mechanism and an adhesive changing mechanism, wherein the injection mechanism comprises a valve body module, the valve body module comprises a valve seat provided with an accommodating part, a valve body arranged on the valve seat, an adhesive discharging assembly and an adhesive pushing assembly, the adhesive discharging assembly comprises an adhesive discharging needle and an adhesive discharging part, one end of the adhesive discharging needle is inserted into an adhesive barrel, the other end of the adhesive discharging needle is communicated with the adhesive discharging part, and the adhesive pushing assembly pushes the adhesive barrel to be separated from the accommodating part and fall off the valve seat; trade gluey mechanism and include that first load module and second load the module, first load the module and be used for accomplishing the separation and be connected of valve body and disk seat, the second loads the module and includes the loading portion that is used for loading the gluey bucket of treating to use, loads the module through the second and will treat that the gluey bucket of using is installed in the holding portion. The automatic glue changing device can realize automatic glue changing under the condition of no shutdown, and overcomes the defects of long glue changing time, low working efficiency and high working strength of the prior art when the hot melt adhesive injection valve adopts manual glue changing.)

1. The utility model provides a realize hot melt adhesive injection valve of glue from moving which characterized in that includes:

the injection mechanism comprises a valve body module, the valve body module comprises a valve seat, a valve body, a glue outlet assembly and a glue pushing assembly, a containing part capable of containing a glue barrel is arranged on the valve seat, the valve body is detachably arranged on the valve seat to open or close the containing part, the glue outlet assembly comprises a glue outlet needle and a glue outlet part, one end of the glue outlet needle can be inserted into the glue barrel, the other end of the glue outlet needle is communicated with the glue outlet part, the glue outlet part is arranged on the valve seat, the glue pushing assembly is arranged on the valve seat, and when the containing part is opened by the valve body, the glue pushing assembly pushes the glue barrel to be separated from the containing part and fall off the valve seat;

the glue changing mechanism comprises a first loading module and a second loading module, the first loading module is used for grabbing the valve body and completing the separation and connection of the valve body and the valve seat, the second loading module comprises a loading part used for loading a glue barrel to be used, and the glue barrel to be used on the loading part is installed in the containing part of the valve seat through the second loading module.

2. The hot melt adhesive injection valve for realizing automatic adhesive change according to claim 1, wherein: the glue outlet needle is arranged at the upper position close to the bottom of the glue barrel, one end of the glue outlet needle, which is used for being inserted into the glue barrel, is provided with an inclined opening, and the inclined opening is arranged at the upper part of the glue outlet needle.

3. The hot melt adhesive injection valve for realizing automatic adhesive change according to claim 2, wherein: go out gluey subassembly still includes the sealing member, the sealing member setting is in go out gluey needle has the one end of bevel connection.

4. The hot melt adhesive injection valve for realizing automatic adhesive change according to claim 1, wherein: push away gluey subassembly including pushing away gluey piece, extrusion piece, third drive division and elastic component, it installs through the elastic component to push away gluey piece on the disk seat, push away the horizontal size on gluey piece upper portion and be greater than the horizontal size of its lower part, so that push away the outer wall of gluey piece have from upper portion to the inclined plane of lower part shrink, push away gluey piece and support and lean on the extrusion piece, the extrusion piece is connected third drive division, third drive division sets up on the disk seat, work as the third drive division drives the extrusion piece is followed the inclined plane is followed when the upper portion moves, it receives the extrusion force in order to promote to push away gluey piece the bucket breaks away from the holding portion, and when withdrawing the extrusion force, push away gluey piece and reset under the effect of elastic component.

5. The hot melt adhesive injection valve realizing automatic adhesive change according to claim 4, wherein: the valve body module is characterized by further comprising a glue supply air pressure cover, the glue supply air pressure cover is connected with the third driving portion, and the third driving portion drives the glue supply air pressure cover to move.

6. The hot melt adhesive injection valve for realizing automatic adhesive change according to claim 1, wherein: the valve body module further comprises at least two guide posts, the at least two guide posts are arranged on the valve seat, and the at least two guide posts surround the accommodating portion.

7. The hot melt adhesive injection valve for realizing automatic adhesive change according to claim 1, wherein: the valve body with the disk seat is the joint structure, just still be provided with the location portion that is used for snatching the location on the valve body.

8. The hot melt adhesive injection valve for realizing automatic adhesive change according to claim 1, wherein: the glue changing mechanism further comprises a carrying module, and the carrying module is integrally provided with the first loading module and the second loading module.

9. The hot melt adhesive injection valve for realizing automatic adhesive change according to claim 8, wherein: the first loading module comprises a grabbing part and a first driving part, the first driving part is arranged on the carrying module, and the first driving part is connected with the grabbing part.

10. The hot melt adhesive injection valve for realizing automatic adhesive change according to claim 8, wherein: the second loading module comprises a second driving part, the second driving part is arranged on the carrying module, and the second driving part is connected with the loading part.

Technical Field

The invention relates to the technical field of hot melt adhesive injection valves, in particular to a hot melt adhesive injection valve capable of realizing automatic adhesive replacement.

Background

The hot melt adhesive injection valve of the prior art mostly adopts a manual glue changing mode when changing glue, an old glue barrel needs to be taken down from the injection valve manually, a new glue barrel is installed on the injection valve, then a sealing cover at the bottom of the new glue barrel is unscrewed, and the bottom of the new glue barrel is connected to a glue outlet flow channel of the injection valve.

Disclosure of Invention

Therefore, the invention aims to overcome the defects of long glue changing time, low working efficiency, high working strength and the like of manual glue changing of the hot melt glue injection valve in the prior art.

In order to solve the technical problem, the invention provides a hot melt adhesive injection valve for realizing automatic adhesive replacement, which comprises:

the injection mechanism comprises a valve body module, the valve body module comprises a valve seat, a valve body, a glue outlet assembly and a glue pushing assembly, a containing part capable of containing a glue barrel is arranged on the valve seat, the valve body is detachably arranged on the valve seat to open or close the containing part, the glue outlet assembly comprises a glue outlet needle and a glue outlet part, one end of the glue outlet needle can be inserted into the glue barrel, the other end of the glue outlet needle is communicated with the glue outlet part, the glue outlet part is arranged on the valve seat, the glue pushing assembly is arranged on the valve seat, and when the containing part is opened by the valve body, the glue pushing assembly pushes the glue barrel to be separated from the containing part and fall off the valve seat;

the glue changing mechanism comprises a first loading module and a second loading module, the first loading module is used for grabbing the valve body and completing the separation and connection of the valve body and the valve seat, the second loading module comprises a loading part used for loading a glue barrel to be used, and the glue barrel to be used on the loading part is installed in the containing part of the valve seat through the second loading module.

In an embodiment of the present invention, the glue outlet needle is disposed at an upper position of the bottom of the glue barrel, and an inclined opening is disposed at one end of the glue outlet needle for penetrating into the glue barrel, and the inclined opening is disposed at an upper portion of the glue outlet needle.

In an embodiment of the present invention, the glue discharging assembly further includes a sealing element, and the sealing element is disposed at one end of the glue discharging needle having the bevel opening.

In an embodiment of the present invention, the glue pushing assembly includes a glue pushing block, an extruding block, a third driving portion, and an elastic member, the glue pushing block is mounted on the valve seat through the elastic member, a lateral dimension of an upper portion of the glue pushing block is greater than a lateral dimension of a lower portion of the glue pushing block, so that an outer wall of the glue pushing block has an inclined surface that contracts from the upper portion to the lower portion, the glue pushing block abuts against the extruding block, the extruding block is connected to the third driving portion, the third driving portion is disposed on the valve seat, when the third driving portion drives the extruding block to move from the lower portion to the upper portion along the inclined surface, the glue pushing block is subjected to an extruding force to push the glue barrel to separate from the accommodating portion, and when the extruding force is removed, the glue pushing block is reset under the action of the elastic member.

In an embodiment of the invention, the valve module further includes a glue supply air pressure cover, the glue supply air pressure cover is connected to the third driving portion, and the third driving portion drives the glue supply air pressure cover to move.

In an embodiment of the invention, the valve body module further includes at least two guide posts, the at least two guide posts are disposed on the valve seat, and the at least two guide posts are disposed around the accommodating portion.

In an embodiment of the invention, the valve body and the valve seat are of a clamping structure, and a positioning part for grabbing and positioning is further arranged on the valve body.

In an embodiment of the present invention, the glue changing mechanism further includes a carrying module, and the carrying module is integrally provided with the first loading module and the second loading module.

In one embodiment of the present invention, the first loading module includes a gripping portion and a first driving portion, the first driving portion is disposed on the carrying module, and the first driving portion is connected to the gripping portion.

In one embodiment of the present invention, the second loading module includes a second driving part disposed on the carrying module, and the second driving part is connected to the loading part.

Compared with the prior art, the technical scheme of the invention has the following advantages:

the invention provides a hot melt adhesive injection valve for realizing automatic adhesive replacement, which is characterized in that a first loading module is used for opening a glue barrel to be replaced on a valve body exposed accommodating part, then a glue pushing assembly is used for pushing the glue barrel to be replaced to be separated from the accommodating part and fall off from a valve seat, and then a second loading module is used for mounting the glue barrel to be used on the valve body module, so that automatic adhesive replacement can be realized without shutdown, and the defects of long adhesive replacement time, low working efficiency, high working strength and the like of the prior hot melt adhesive injection valve adopting manual adhesive replacement are overcome.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference will now be made in detail to the present disclosure, examples of which are illustrated in the accompanying drawings.

Fig. 1 is a schematic view of an exemplary structure of the dispensing platform of the present invention.

Fig. 2 is a schematic structural diagram of the valve body module of the present invention.

Fig. 3 is a top view of fig. 2.

Fig. 4 is a schematic cross-sectional view a-a of fig. 3.

Fig. 5 is a partially enlarged schematic view of a portion B in fig. 4.

Fig. 6 is a schematic structural view of the valve body omitted from fig. 5.

FIG. 7 is a schematic structural diagram of the glue changing mechanism of the present invention.

FIG. 8 is another schematic structural diagram of the glue changing mechanism of the present invention.

The specification reference numbers indicate: 100. a valve body module; 110. a valve seat; 120. a valve body; 121. a positioning part; 131. discharging the glue needle; 1311. a bevel opening; 132. a glue outlet part; 133. a seal member; 141. pushing the rubber block; 142. extruding the block; 143. a third driving section; 150. a glue supply air pressure cover; 160. a guide post; 200. a glue changing mechanism; 210. a first loading module; 211. a first driving section; 212. a grasping section; 220. a second loading module; 221. a second driving section; 222. a loading section; 230. a carrying module; 300. and a dispensing platform.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

Referring to fig. 1 to 8, an embodiment of the present invention provides a hot melt adhesive injection valve for realizing automatic adhesive changing, which includes an injection mechanism and an adhesive changing mechanism 200, and in a preferred embodiment, the present invention introduces a dispensing platform 300 to better explain specific positions of the injection mechanism and the adhesive changing mechanism 200, for example, in an exemplary structure shown in fig. 1, the injection mechanism is movably mounted on the dispensing platform 300, and the adhesive changing mechanism 200 is mounted at a side portion of the dispensing platform 300, so as to ensure that the adhesive changing mechanism 200 can complete automatic adhesive changing for the injection mechanism on one hand, and ensure that the adhesive changing mechanism 200 mounted at the side portion does not interfere with the dispensing operation of the injection mechanism on the other hand. It should be noted that the dispensing platform 300 in fig. 1 may also have other structures, and the invention is not limited thereto.

Injection mechanism includes valve body module 100, valve body module 100 includes valve seat 110, valve body 120, go out gluey subassembly and push away gluey subassembly, be provided with on the valve seat 110 and can hold gluey bucket in the holding portion of its inside, valve body 120 detachable sets up on valve seat 110, in order to open or close the holding portion, it includes out gluey needle 131 and play gluey portion 132 to go out gluey subassembly, the one end that goes out gluey needle 131 can be pricked into gluey bucket in, the other end that goes out gluey needle 131 communicates out gluey portion 132, it sets up on valve seat 110 to go out gluey portion 132, be provided with on valve seat 110 and push away gluey subassembly, when the holding portion was opened to valve body 120, it promotes gluey bucket and breaks away from holding portion and drops from valve seat 110 to push away from gluey subassembly.

The glue changing mechanism 200 comprises a first loading module 210 and a second loading module 220, wherein the first loading module 210 is used for grabbing the valve body 120 and completing the separation and connection of the valve body 120 and the valve seat 110, the second loading module 220 comprises a loading part 222 used for loading a glue barrel to be used, and the glue barrel to be used on the loading part 222 is installed in the accommodating part of the valve seat 110 through the second loading module 220.

The valve body 120 and the valve seat 110 may be a clamping structure, for example, a buckle may be disposed on the valve seat 110, a clamping groove adapted to the buckle may be disposed on the valve body 120, and the valve body 120 and the valve seat 110 may be detachably connected by matching the buckle and the clamping groove. Other snap-fit configurations are certainly possible, and the invention is not so limited.

Further, a positioning portion 121 for grabbing and positioning is further disposed on the valve body 120, and preferably, the positioning portion 121 may be a protrusion disposed on the valve body 120, and the protrusion can improve the stability of grabbing.

Compared with the prior art that glue is discharged from the bottom of the glue barrel, the glue discharging needle 131 is arranged at the upper position of the bottom of the glue barrel, so that the interference of the dry and hard hot melt glue at the bottom of the glue barrel on normal glue discharging is avoided, the dry and hard hot melt glue at the bottom of the glue barrel does not need to be treated, and the glue changing time can be further reduced.

It should be noted that the upper position of the bottom of the glue barrel means that the position can smoothly discharge glue after the glue discharging needle 131 is inserted into the glue barrel, normal glue discharge cannot be affected by the hard hot melt glue at the bottom of the glue barrel due to the lower position, and the hot melt glue at the bottom of the glue barrel cannot be fully utilized due to the higher position.

Further, the one end that goes out gluey needle 131 and be used for pricking into gluey bucket is provided with bevel 1311, and bevel 1311 sets up in the upper portion that goes out gluey needle 131, so when going out gluey needle 131 and prick or prick out gluey bucket, the lower part that goes out gluey needle 131 can play the effect of storage hot melt adhesive, prevents to lead to the phenomenon that the air got out gluey needle 131 because of the hot melt adhesive drips to the condition of empty gluey can not appear when guaranteeing the point and gluing.

Also, the glue discharging assembly further comprises a sealing element 133, the sealing element 133 is disposed at one end of the glue discharging needle 131 having the bevel 1311, and preferably, the sealing element 133 may be a sealing ring, and the sealing ring is used for preventing glue leakage.

The glue pushing assembly comprises a glue pushing block 141, an extrusion block 142, a third driving portion 143 and an elastic member (not shown in the figure), the glue pushing block 141 is mounted on the valve seat 110 through the elastic member, the transverse dimension of the upper portion of the glue pushing block 141 is larger than the transverse dimension of the lower portion of the glue pushing block 141, so that the outer wall of the glue pushing block 141 is provided with an inclined surface which contracts from the upper portion to the lower portion, the glue pushing block 141 abuts against the extrusion block 142, the extrusion block 142 is connected with the third driving portion 143, the third driving portion 143 is arranged on the valve seat 110, when the third driving portion 143 drives the extrusion block 142 to move from the lower portion to the upper portion along the inclined surface, the glue pushing block 141 is subjected to extrusion force to push the glue barrel to separate from the accommodating portion, and when the extrusion force is removed, the glue pushing block 141 resets under the effect of the elastic member.

In addition, the valve body module 100 further includes a glue supply air pressure cover 150, the glue supply air pressure cover 150 is connected to the third driving portion 143, and the third driving portion 143 drives the glue supply air pressure cover 150 to move. Preferably, the third driving portion 143 may be an air cylinder, the elastic member may be a spring, when the valve body 120 is opened to expose a rubber barrel to be replaced on the accommodating portion, the air cylinder drives the extrusion block 142 to move from the lower portion to the upper portion along the inclined surface, when the rubber supply air pressure cover 150 is opened, the rubber pushing block 141 pushes the rubber barrel to be detached from the accommodating portion and fall off the valve seat 110 due to the extrusion force of the extrusion block 142, then the air cylinder drives the extrusion block 142 to move from the upper portion to the lower portion along the inclined surface, when the rubber supply air pressure cover 150 is reset, the extrusion force of the extrusion block 142 on the rubber pushing block 141 disappears, and then the rubber pushing block 141 is reset under the action of the spring, so as to ensure that the rubber barrel to be used can be mounted on the accommodating portion of the valve seat 110.

Further, the valve body module 100 further includes at least two guide posts 160, the at least two guide posts 160 are disposed on the valve seat 110, and the at least two guide posts 160 are disposed around the accommodating portion. Preferably, the number of the guide posts 160 may be two pairs, one pair of the guide posts 160 may be disposed on the upper portion of the valve seat 110, and the other pair of the guide posts 160 may be disposed on the lower portion of the valve seat 110, so that the glue bucket to be used can smoothly enter the accommodating portion of the valve seat 110 under the guidance of the guide posts 160.

The glue changing mechanism 200 further includes a carrying module 230, and the carrying module 230 is integrally provided with a first loading module 210 and a second loading module 220.

Specifically, the structure of the carrying module 230 may include a fixing plate, a cylinder and a cylinder mounting seat, the cylinder mounting seat is mounted at the side of the dispensing platform 300, the cylinder is arranged on the cylinder mounting seat, the telescopic end of the cylinder is connected with the fixing plate, and the fixing plate is provided with a first loading module 210 and a second loading module 220.

The first loading module 210 includes a grabbing part 212 and a first driving part 211, the first driving part 211 is disposed on the carrying module 230, and the first driving part 211 is connected to the grabbing part 212. Preferably, the grabbing part 212 may be a finger cylinder, the first driving part 211 may be a telescopic cylinder, the telescopic cylinder is installed on the fixing plate, the telescopic end of the telescopic cylinder is connected with the finger cylinder, and the finger cylinder is used for grabbing or loosening the valve body 120.

In actual operation, when the valve body 120 needs to be detached from the valve seat 110, the telescopic cylinder drives the finger cylinder to move in a direction close to the valve body 120, after the finger cylinder moves in place, the finger cylinder acts to grab the positioning portion 121 on the valve body 120, and at this time, the telescopic cylinder drives the finger cylinder to move in a direction away from the valve body 120, so that the valve body 120 is detached from the valve seat 110; similarly, when the valve body 120 needs to be detached from the valve seat 110, the telescopic cylinder drives the finger cylinder which grabs the valve body 120 to move in a direction close to the valve seat 110 until the valve body 120 is clamped on the valve seat 110, and then the finger cylinder acts to release the valve body 120, and at this time, the telescopic cylinder drives the finger cylinder to move and reset in a direction away from the valve seat 110.

The second loading module 220 includes a second driving unit 221, the second driving unit 221 is disposed on the carrying module 230, and the second driving unit 221 is connected to the loading unit 222. Preferably, the second driving unit 221 is a telescopic cylinder, and the telescopic cylinder drives the loading unit 222 to move.

In actual work, when the glue barrel to be used needs to be installed on the valve seat 110, the glue barrel to be used is installed on the loading portion 222, then the telescopic cylinder drives the glue barrel to move towards the direction close to the valve seat 110 until the glue barrel is clamped into the accommodating portion of the valve seat 110, and then the telescopic cylinder resets.

The working principle of the invention is as follows:

firstly, a glue barrel to be used is placed in a box body of a loading part 222, when glue needs to be automatically changed, a valve body module 100 integrally moves to one side of a glue changing mechanism 200, then a first driving part 211 drives a grabbing part 212 to detach a valve body 120 from a valve seat 110, then a carrying module 230 drives a first loading module 210 and a second loading module 220 integrally to move upwards, so that the second loading module 220 is aligned with the valve body module 100, then a third driving part 143 pushes the glue barrel needing to be changed down from the valve seat 110 through a glue pushing component while opening a glue supplying air pressure cover 150, at the moment, a second driving part 221 drives the glue barrel to be used to move towards a direction close to the valve seat 110, the glue barrel enters a containing part of the valve body 120 under the guidance of a guide column 160, at the moment, a glue outlet needle 131 is inserted into the glue barrel while the glue barrel is filled into the containing part, then the carrying module 230 drives the first loading module 210 and the second loading module 220 integrally to move downwards, so that the first loading module 210 is aligned with the valve body module 100, the first driving part 211 drives the grabbing part 212 to install the valve body 120 on the valve seat 110, and after the valve body is installed in place, the first driving part 211 drives the grabbing part 212 to reset, so that the glue changing operation is completely completed.

The invention provides a hot melt adhesive injection valve for realizing automatic adhesive replacement, which is characterized in that a first loading module 210 is utilized to open a glue barrel needing to be replaced on a valve body 120 exposed accommodating part, then a glue pushing assembly is utilized to push the glue barrel needing to be replaced to be separated from the accommodating part and fall off from a valve seat 110, and then a second loading module 220 is utilized to mount the glue barrel to be used on a valve body module 100, so that automatic adhesive replacement can be realized without shutdown, the adhesive replacement time can be controlled within 20s, and the defects of long adhesive replacement time, low working efficiency, high working strength and the like of the prior art that the hot melt adhesive injection valve adopts manual adhesive replacement are overcome.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.