CN214600098U

CN214600098U - Buffer is glued to point

Info

Publication number: CN214600098U
Application number: CN202120027339.6U
Authority: CN
Inventors: 黄亮
Original assignee: Shenzhen Hui'an Tong Technology Co ltd
Current assignee: Shenzhen Hui'an Tong Technology Co ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-11-05
Anticipated expiration: 2031-01-06

Abstract

The application relates to the technical field of glue dispensing equipment, and relates to a glue dispensing buffering device, which comprises a valve body for controlling glue dispensing amount, and further comprises a buffering block for mounting a glue barrel, and a glue dispensing nozzle, wherein the buffering block is provided with a glue dispensing pipeline for glue circulation and communicated with the glue dispensing nozzle, the glue dispensing pipeline comprises a glue inlet part and a linking part, the glue inlet part is arranged in a vertical direction in an extending mode, the linking part is communicated with the glue inlet part, the inner diameter of one end, close to the glue inlet part, of the linking part is larger than that of the joint of the glue inlet part and the linking part, the valve body is mounted on one side of the buffering block and used for controlling the opening and closing of the linking part, and the glue dispensing nozzle is mounted at an opening at one end of the linking part; gas enters the joint part through the glue inlet part and then floats on the top of the joint part, so that no air bubble exists in the glue, the actual glue outlet amount is ensured to be the same as the preset glue outlet amount, and the yield of products is improved.

Description

Buffer is glued to point

Technical Field

The application relates to the field of dispensing equipment, in particular to a dispensing buffer device.

Background

At present, glue dispensing, namely glue applying, glue spreading, glue pouring, glue dripping and the like, is used for dripping glue on a product, so that the product has viscosity, and the product can be relatively fixed with other products.

In the production is glued to point now, often extrude the piston in the packing element through the piston rod of cylinder for glue in the packing element is extruded from a jiao kou department, in order to control the play jiao guan of glue, often through control valve control, the control valve passes through the connecting pipe and is connected with the play jiao kou of packing element, and after glue in the packing element used up, need separate packing element and connecting pipe, then more new packing element.

With respect to the related art in the above, the inventors consider that: because the packing element is at the in-process of changing, partial gas enters into the connecting tube through the opening of connecting tube easily for form the bubble in the glue solution in the connecting tube, lead to actually going out to glue the volume and reduce than predetermined play volume of gluing, seriously influence finished product quality, reduced the yields of product.

SUMMERY OF THE UTILITY MODEL

In order to ensure that the actual volume of glue and the volume of glue of predetermineeing out are unanimous to improve the yields of product, this application provides a buffer is glued to point.

The application provides a buffer is glued to point adopts following technical scheme:

the utility model provides a buffer is glued to point, is including the valve body that is used for controlling out the volume of gluing, still including the buffer block that is used for installing the packing element to and go out the gluey mouth, be equipped with on the buffer block supply the glue circulation and with go out the gluey pipeline of play of gluey mouth intercommunication, go out gluey pipeline including along the gluey portion of advancing of vertical direction extension setting, with advance the linking portion of gluey portion intercommunication, linking portion is close to the internal diameter of advancing the one end of gluey portion is greater than advance gluey portion with the internal diameter of the junction of linking portion, the valve body install in buffer block one side just is used for controlling the opening and close of linking portion, it install in to go out gluey mouth link up a portion one end opening part.

By adopting the technical scheme, the glue cylinder is arranged at the opening of the glue inlet part, then the opening and closing of the linking part are controlled through the valve body, because the inner diameter of one end, close to the glue inlet part, of the linking part is larger than the inner diameter of the joint of the glue inlet part and the linking part, glue entering the linking part only occupies a part of the space of the linking part, certain gas can be reserved in the linking part, even if liquid bubbles exist in the glue solution in the glue cylinder, or in the process of replacing the glue cylinder, the gas enters the linking part through the glue inlet part and then floats on the top of the linking part, the phenomenon of bubbles can not exist in the glue solution, the actual glue outlet amount is ensured to be the same as the preset glue outlet amount, and the yield of products is improved.

Preferably, the joining part is gradually contracted towards one end far away from the glue inlet part.

Through adopting above-mentioned technical scheme, through linking up the portion towards keeping away from the gradual shrink setting of advancing gluey portion for linking up portion bottom all is glue, and gas all is on the upper portion of linking up portion, further improves the control accuracy to going out gluey volume.

Preferably, the buffer block includes along the vertical end of vertical direction extension setting, and fixed connection in the horizontal end of vertical end lower extreme one side, linking portion is including being located vertical portion in the vertical end, and being located the horizontal part of horizontal end, the valve body install in the horizontal end upper end, play jiao zui install in the horizontal end lower extreme.

Through adopting above-mentioned technical scheme, through the setting of vertical end and horizontal end for buffer's structure is glued to point is compacter, makes things convenient for staff to glue buffer's installation to the point.

Preferably, vertical end includes upper portion to and can dismantle the lower part of connecting in upper portion, lower part opening part is inlayed and is equipped with can with the first sealing ring that upper portion was contradicted.

Through adopting above-mentioned technical scheme, first sealing ring improves the leakproofness of upper portion and lower part, reduces gaseous entering linking portion from the junction of first end and second end, and then ensures when going out gluey work that linking portion and the inside gas tightness of play gluey portion.

Preferably, the lower part of the vertical end is provided with a glue discharging pipeline communicated with the glue discharging pipeline, and a glue discharging valve is installed in the glue discharging pipeline.

By adopting the technical scheme, when the glue type needs to be changed, the glue in the joint part needs to be cleaned, at the moment, the glue discharging valve can be pulled out, and then the glue dispensing buffer device is inclined, so that the glue in the joint part flows out from the glue discharging pipeline, and the working efficiency of workers is improved; on the other hand, the waste of glue is reduced.

Preferably, the valve body includes central piston rod, and orders about the valve body of central piston rod up-and-down motion, the horizontal end along vertical direction be equipped with the hole of stepping down of horizontal part intercommunication, it has the crowded gluey pipeline that supplies glue to extrude to go out to glue the mouth, central piston rod sliding connection in the hole of stepping down with crowded gluey pipeline.

Through adopting above-mentioned technical scheme, the valve body orders about central piston rod up-and-down motion, and then makes central piston rod sliding connection in the hole of stepping down and crowded gluey pipeline, and then plays the effect of opening and close to linking portion, and then the play of control glue volume, when central piston rod was ordered about the rebound by the valve body, glue in the linking portion flowed into crowded gluey pipeline, and then is ready next time in advance and goes out gluey.

Preferably, the abdicating hole is provided with a second sealing ring which can be abutted against the valve body.

By adopting the technical scheme, the second sealing ring plays a sealing role, so that gas is prevented from entering from the joint of the horizontal end and the valve body, and the actual glue outlet amount is ensured to be consistent with the preset glue outlet amount; on the other hand, the phenomenon of glue leakage is reduced, so that the waste of glue is reduced.

Preferably, the second sealing ring includes the confession the central piston rod wear to establish seal portion, with seal portion integrated into one piece's kink, and with kink integrated into one piece and can with the horizontal end with the butt portion that the valve body was contradicted, the kink is the radian setting.

Through adopting above-mentioned technical scheme, the sealing improves the gas tightness of valve body and horizontal end with butt portion, and the kink plays the guide effect to glue for along with the glue of central piston rod rebound, can fall into crowded gluey pipeline again under the guide effect of kink.

Preferably, one end of the central piston rod, which is far away from the valve body, is fixedly connected with a pressing ring.

Through adopting above-mentioned technical scheme, because the existence of extrusion ring, improve the area of contact of glue in the crowded gluey pipeline and central piston rod, and then improve out gluey efficiency, reduce the load of valve body.

Preferably, the upper end surface of the extrusion ring is provided with a first inclined surface which is obliquely and downwardly arranged towards the direction away from the central piston rod.

Through adopting above-mentioned technical scheme, first inclined plane plays the effect of direction, reduces the resistance that the central piston rod received glue at the in-process that shifts up, and then has reduced the load of valve body to the life of valve body has been prolonged.

In summary, the present application includes at least one of the following beneficial technical effects:

due to the existence of the connection part, gas in the glue can float to the top of the connection part under the action of the connection part, so that the phenomenon that bubbles are mixed in the glue is avoided, the actual glue yield is ensured to be the same as the preset glue yield, and the yield of products is improved;

through the setting of first sealing ring and second sealing ring, improve the inside gas tightness of joint portion, and then reduce the phenomenon of leaking gluey.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a cross-sectional view for showing the glue line.

Fig. 3 is an enlarged view of a portion a of fig. 2 to show the second seal ring.

Fig. 4 is an enlarged view of portion B of fig. 2 to show the pressing ring.

Description of reference numerals: 1. a buffer block; 11. a glue outlet pipeline; 12. a glue inlet part; 13. a joining section; 14. a vertical end; 15. a horizontal end; 16. a vertical portion; 17. a horizontal portion; 18. an upper portion; 19. a lower portion; 2. a glue outlet; 21. a glue extruding pipeline; 3. a first seal ring; 4. a glue discharging pipeline; 41. a glue discharging valve; 5. a central piston rod; 51. a valve body; 52. a first connection portion; 53. a second connecting portion; 54. a housing; 541. mounting grooves; 542. connecting holes; 55. a piston; 56. a spring; 57. a sealing cover; 58. a first through hole; 59. a second through hole; 6. a hole of abdication; 7. a second seal ring; 71. a sealing part; 72. a bending section; 73. an abutting portion; 8. an extrusion ring; 81. a first inclined plane; 9. a third seal ring; 91. a fourth seal ring; 10. and (4) connecting the blocks.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses buffer is glued to point. Referring to fig. 1 and 2, a dispensing buffer device includes a buffer block 1, a valve body, a dispensing nozzle 2, a dispensing pipe 11 connected to the dispensing nozzle 2 is disposed on the buffer block 1, the valve body is mounted on the buffer block 1 and used for opening and closing the dispensing pipe 11, in this embodiment, the buffer block 1 includes two parts, namely a vertical end 14 extending in a vertical direction, a horizontal end 15 detachably connected to the vertical end 14, the horizontal end 15 extends in a horizontal direction, the horizontal end 15 is connected to the vertical end 14 through a connecting block 10, the connecting block 10 is respectively connected to the vertical end 14 and the horizontal end 15 through bolts, meanwhile, the vertical end 14 includes an upper part 18 and a lower part 19, the upper part 18 is detachably connected to the lower part 19 through bolts, the upper part 18 is located right above the lower part 19, a glue cartridge is mounted on the upper end of the upper part 18, the horizontal end 15 is located on one side of the lower end of the lower part 19, the connecting block 10 is fixedly connected to the lower part 19 through bolts, the valve body is installed in 15 upper ends of horizontal end, goes out 2 threaded connection in 15 lower extremes of jiao zui for buffer's structure is compacter in point, and then makes things convenient for the staff to install buffer of point, thereby has improved buffer's suitability is glued to the point.

In this embodiment, the glue outlet pipe 11 includes a glue inlet portion 12 located at an upper portion 18, and a linking portion 13 communicated with the glue inlet portion 12, where the upper portion 18, a lower portion 19, and a horizontal end 15 are sequentially connected to the linking portion 13, the glue outlet nozzle 2 is located at one end of the linking portion 13 far away from the glue inlet portion 12, in order to reduce the bubble of glue entering the glue outlet pipe 11, an inner diameter of one end of the linking portion 13 close to the glue inlet portion 12 is larger than an inner diameter of a connection portion of the glue inlet portion 12 and the linking portion 13, during an actual glue dispensing process, a part of glue is first squeezed into the linking portion 13, the glue is located at a bottom position of the linking portion 13 under the action of its own gravity, and the bubble in the glue floats on a top portion of the linking portion 13, so as to avoid a phenomenon that gas is mixed in the glue, and ensure that an actual glue outlet amount is the same as a preset glue outlet amount, thereby improving a yield of a product.

In this embodiment, the joint portion 13 includes a vertical portion 16 extending along a vertical direction, and a horizontal portion 17 communicating with the vertical portion 16, the horizontal portion 17 extends along the horizontal direction, and a junction between the vertical portion 16 and the horizontal portion 17 forms an arc transition, a part of the vertical portion 16 is located at an upper portion 18, another part is located at a lower portion 19, a part of the horizontal portion 17 is located at the lower portion 19, another part is located at a horizontal end 15, and the joint portion 13 is gradually contracted towards an end far away from the glue inlet portion 12, so that the glue can be located in the horizontal portion 17 under the action of gravity, and the gas in the horizontal portion 17 is reduced, thereby reducing the gas in the glue.

The valve body comprises a central piston rod 5 and a valve body 51 for driving the central piston rod 5 to move up and down, the valve body 51 comprises a shell 54 and a piston 55 connected inside the shell 54 in a sliding manner, the central piston rod 5 is fixedly connected to the lower end of the piston 55, the horizontal end 15 is provided with a yielding hole 6 communicated with the horizontal part 17 along the vertical direction, the glue outlet nozzle 2 is provided with a glue extruding pipeline 21 for extruding glue, the glue extruding pipeline 21 and the central axis of the yielding hole 6 coincide, the valve body 51 drives the central piston rod 5 to be connected with the yielding hole 6 and the glue extruding pipeline 21 in a sliding manner, in the embodiment, the central piston rod 5 comprises a first connecting part 52 and a second connecting part 53 fixedly connected with the first connecting part 52, the outer wall of the first connecting part 52 can abut against the inner wall of the glue extruding pipeline 21, the cross-sectional area of the first connecting part 52 is larger than that of the second connecting part 53, when the first connecting part 52 is connected in the glue extruding pipeline 21 in a sliding manner, the glue is extruded and flows out from the glue outlet 2, and when the first connecting portion 52 slides out of the glue extruding pipeline 21, the glue flows into the glue extruding pipeline 21 from the gap between the second connecting portion 53 and the glue extruding pipeline 21.

In this embodiment, the housing 54 is provided with a mounting groove 541 along a vertical direction, the valve body 51 further includes a sealing cover 57 detachably connected to an upper end of the housing 54 for opening and closing an opening of the mounting groove 541, and the sealing cover 57 is connected to the housing 54 by bolts, so as to facilitate the mounting of the piston 55; the piston 55 is slidably connected in the mounting groove 541, the valve body 51 further comprises a spring 56 with one end fixedly connected to the bottom of the mounting groove 541, the other end of the spring 56 is fixedly connected to the central piston rod 5, a connecting hole 542 for the central piston rod 5 to penetrate through is vertically arranged at the bottom of the mounting groove 541, the central axis of the connecting hole 542 coincides with the central axis of the mounting groove 541, the housing 54 is horizontally provided with a first through hole 58 and a second through hole 59, the first through hole 58 and the second through hole 59 are both communicated with the mounting groove 541, the first through hole 58 is located above the second through hole 59, the first through hole 58 and the second through hole 59 are both connected with an air source, during operation, the air source is started, high-pressure air is pumped into the mounting groove 541 through the first through hole 58, the piston 55 is moved downwards to drive the central piston rod 5 to move downwards, and glue flows out from the glue outlet nozzle 2 to perform glue dispensing operation, after dispensing, high-pressure gas is injected into the mounting groove 541 through the second through hole 59, so as to move the piston 55 upward, drive the central piston rod 5 to move upward, and further enable the glue solution to enter the glue squeezing pipeline 21.

Referring to fig. 2 and 3, in order to improve the sealing performance of the dispensing buffer device, a third sealing ring 9 capable of abutting against the inner wall of the mounting groove 541 is embedded in the circumferential side wall of the piston 55; a fourth sealing ring 91 which can be abutted against the horizontal end 15 is embedded in the lower part 19; meanwhile, the edge of the opening at the upper end of the abdicating hole 6 is provided with a second sealing ring 7 which is penetrated by the first connecting part 52, and the second sealing ring 7 is extruded by the shell 54 and is tightly propped against the horizontal end 15, so that the glue does not leak along with the movement of the first connecting part 52; in this embodiment, the second sealing ring 7 includes a sealing portion 71 for the first connecting portion 52 to penetrate through, a bending portion 72 integrally formed with the sealing portion 71, and an abutting portion 73 integrally formed with the bending portion 72 and capable of abutting against the horizontal end 15 and the lower end surface of the housing 54, the bending portion 72 is disposed in a radian manner, and the bending portion 72 protrudes toward the direction away from the housing 54, so as to guide the glue, so that the glue attached to the lower end surface of the second sealing ring 7 flows into the glue squeezing pipe 21 again under the guiding effect of the bending portion 72.

Referring to fig. 2 and 4, the end of the second connecting portion 53 away from the first connecting portion 52 is integrally formed with the extrusion ring 8 to increase the contact area between the central piston rod 5 and the glue, so as to improve the glue discharging efficiency; preferably, the upper end surface of the pressing ring 8 is provided with a first inclined surface 81, and the first inclined surface 81 is inclined downwards towards the direction away from the second connecting portion 53, so as to reduce the resistance of the central piston rod 5 to glue during the upward movement process, and further reduce the load of the valve body 51.

The lower part of the vertical end 14 is provided with a glue discharging pipeline 4, the glue discharging pipeline 4 is communicated with the glue discharging pipeline 11, and a glue discharging valve 41 is arranged in the glue discharging pipeline 4, so that a worker can conveniently clean the glue at the connecting part 13; more preferably, the glue discharging pipeline 4 is arranged downwards towards the direction far away from the vertical part 16 in an inclined mode, and the glue cleaning efficiency of workers is further improved.

The implementation principle of the dispensing buffer device in the embodiment of the application is as follows: when dispensing is not performed, the outer wall of the first connecting portion 52 abuts against the inner wall of the glue extruding pipeline 21, so that the connecting portion 13 is in a closed state, when dispensing is required, high-pressure gas is introduced into the mounting groove 541 through the second through hole 59, the piston 55 is further moved upwards, the first connecting portion 52 is driven to move upwards, at the moment, the connecting portion 13 is in an open state, glue enters the glue extruding pipeline 21 from the connecting portion 13, then the high-pressure gas is introduced into the mounting groove 541 through the first through hole 58, the piston 55 is moved downwards, when the first connecting portion 52 enters the glue extruding pipeline 21, the glue in the glue extruding pipeline 21 is extruded, and then glue is discharged from the glue outlet nozzle 2; due to the arrangement of the joint part 13, gas in the glue can automatically float on the top of the joint part 13, so that no air bubble exists in the glue, the actual glue yield is ensured to be the same as the preset glue yield, and the yield of products is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a buffer is glued to point, is including the valve body that is used for controlling out the volume of gluing which characterized in that: still including buffer block (1) that is used for installing the packing element to and go out gluey mouth (2), be equipped with on buffer block (1) supply the glue circulation and with go out gluey pipeline (11) of play gluey mouth (2) intercommunication, go out gluey pipeline (11) including advancing gluey portion (12) that set up along vertical direction extension, with advance linking portion (13) of gluey portion (12) intercommunication, linking portion (13) are close to the internal diameter of advancing the one end of gluey portion (12) is greater than advance gluey portion (12) with the internal diameter of the junction of linking portion (13), the valve body install in buffer block (1) one side just is used for controlling the opening and closing of linking portion (13), go out gluey mouth (2) install in linking portion (13) one end opening part.

2. The dispensing buffering device of claim 1, wherein: the joining part (13) is gradually contracted towards one end far away from the glue inlet part (12).

3. The dispensing buffering device of claim 1, wherein: buffer block (1) including along vertical direction extend vertical end (14) that sets up, and fixed connection in horizontal end (15) of vertical end (14) lower extreme one side, linking portion (13) are including being located vertical portion (16) in vertical end (14), and be located horizontal part (17) of horizontal end (15), the valve body install in horizontal end (15) upper end, go out jiao zui (2) install in horizontal end (15) lower extreme.

4. The dispensing buffering device as claimed in claim 3, wherein: the vertical end (14) comprises an upper part (18) and a lower part (19) detachably connected to the upper part (18), and a first sealing ring (3) capable of abutting against the upper part (18) is embedded at an opening of the lower part (19).

5. The dispensing buffering device as claimed in claim 3, wherein: the lower part of the vertical end (14) is provided with a glue discharging pipeline (4) communicated with the glue discharging pipeline (11), and a glue discharging valve (41) is installed in the glue discharging pipeline (4).

6. The dispensing buffering device as claimed in claim 3, wherein: the valve body includes central piston rod (5), and orders about central piston rod (5) up-and-down motion's valve body (51), level end (15) along vertical direction be equipped with hole (6) of stepping down of horizontal part (17) intercommunication, it glues mouth (2) and has crowded gluey pipeline (21) that supplies gluey water to extrude to go out, central piston rod (5) sliding connection in hole (6) of stepping down with crowded gluey pipeline (21).

7. The dispensing buffering device of claim 6, wherein: the abdicating hole (6) is provided with a second sealing ring (7) which can be abutted against the valve body (51).

8. The dispensing buffering device of claim 7, wherein: the second sealing ring (7) comprises a sealing part (71) for the central piston rod (5) to penetrate through, a bending part (72) integrally formed with the sealing part (71), and a butting part (73) integrally formed with the bending part (72) and capable of abutting against the horizontal end (15) and the valve body, wherein the bending part (72) is arranged in a radian mode.

9. The dispensing buffering device as claimed in claim 8, wherein: one end of the central piston rod (5) far away from the valve body (51) is fixedly connected with a squeezing ring (8).

10. The dispensing buffering device of claim 9, wherein: the upper end surface of the extrusion ring (8) is provided with a first inclined surface (81) which is obliquely and downwardly arranged towards the direction away from the central piston rod (5).