CN215656062U

CN215656062U - Non-contact precise pneumatic injection valve

Info

Publication number: CN215656062U
Application number: CN202120814294.7U
Authority: CN
Inventors: 吴兴国; 李刚
Original assignee: Suzhou Gaosongmeizi Automation Technology Co ltd
Current assignee: Suzhou Gaosongmeizi Automation Technology Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2022-01-28
Anticipated expiration: 2031-04-20

Abstract

The utility model discloses a non-contact precise pneumatic injection valve, which comprises a nozzle assembly, wherein a rubber barrel is arranged above the nozzle assembly, a rubber cavity communicated with the nozzle assembly is arranged in the rubber barrel, an air inlet and an air outlet are respectively arranged on one side of the rubber barrel, a high-pressure air inlet assembly and an air outlet assembly are arranged at the air inlet and the air outlet, a firing pin is arranged in the rubber cavity, and a stroke for limiting the stroke of the firing pin is arranged above the rubber barrel; the glue point weight is accurately controlled, the repeatability is high, and the consistency of the glue amount of the product is ensured.

Description

Non-contact precise pneumatic injection valve

Technical Field

The utility model relates to the field of dispensing valves, in particular to a non-contact precise pneumatic injection valve.

Background

Pneumatic injection valve belongs to one of the valve of dispensing, realizes contactless point through aerodynamic force and glues to need not the lift of equipment Z axle, nevertheless present pneumatic injection valve firing pin stroke can't change, thereby it is single to lead to gluing the valve and correspond glue, makes to glue the valve and has great limitation, and present injection valve dismouting is complicated simultaneously, lacks convenience and uniformity.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problem of providing a non-contact precise pneumatic injection valve, thereby solving the problems that the corresponding glue is single and the glue valve has larger limitation.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a precise pneumatic injection valve of non-contact, includes nozzle assembly, the nozzle assembly top is provided with the packing element, is provided with the gluey chamber with nozzle assembly intercommunication in the packing element, packing element one side is provided with air inlet and gas outlet respectively, air inlet and gas outlet department are provided with high pressure air inlet assembly and the subassembly of giving vent to anger, be provided with the firing pin in the gluey chamber, the packing element top is provided with the stroke that is used for restricting the firing pin stroke.

Through the setting of stroke, can be used to the motion stroke of adjusting the firing pin to the striking dynamics of adjusting the firing pin makes it and different glue phase-matchs, makes the glue homoenergetic accuracy blowout of each type, different viscosity.

Further, the method comprises the following steps: the stroke includes the screw tooth post, screw tooth post surface is provided with the external screw thread that is used for with packing element threaded connection, the inside spacing post of spring that is provided with of screw tooth post, the spacing post surface of spring is provided with first bulge loop, still including the spring post that can stretch into the spacing post of spring inside, spring post lower extreme is provided with the second bulge loop, still establishes the spring in the spacing post of spring and the spring post outside including the cover, the spring is spacing between first bulge loop and second bulge loop.

Further, the method comprises the following steps: the outside fixedly connected with rotation handle in spiral shell tooth post upper end, rotation handle bottom is provided with the draw-in groove, the spiral shell tooth post includes the adjustment portion and the connecting portion of lower part at middle part, connecting portion are provided with the third bulge loop, the external screw thread sets up along outside the third bulge loop, the adjustment portion cover is equipped with the snap ring, the snap ring upper end is provided with the joint portion of card income draw-in groove, and when the draw-in groove was kept away from to joint portion, the snap ring can rotate around the adjustment portion, still including setting up the scale ring in the snap ring outside, still establish the spring leaf on the adjustment portion including the cover, the spring leaf is located between snap ring and the third bulge loop.

Further, the method comprises the following steps: the high-pressure air inlet assembly comprises an air inlet pipe, an air inlet connector and an electromagnetic valve which are connected in sequence, and further comprises an electromagnetic valve sealing ring arranged between the air inlet connector and the electromagnetic valve.

Further, the method comprises the following steps: the air outlet assembly comprises an air outlet sealing ring arranged at an air outlet, an air outlet channel communicated with the air outlet cavity is arranged on the rubber cylinder, and the air outlet assembly further comprises an air outlet joint communicated with the air outlet channel and an air outlet pipe connected with the air outlet joint.

Further, the method comprises the following steps: the nozzle assembly comprises a fixed clamping jaw fixed to the bottom of the rubber barrel, a rubber bin is arranged at the bottom of the fixed clamping jaw, a nozzle is arranged at the bottom of the rubber bin, a rubber inlet is formed in one side of the rubber bin, and the nozzle assembly further comprises a nozzle heater arranged outside the nozzle in a sleeved mode.

Further, the method comprises the following steps: a flood plug sealing ring is arranged between the rubber bin and the rubber barrel, and a nozzle sealing ring is arranged between the nozzle and the rubber bin.

Further, the method comprises the following steps: the electromagnetic valve is characterized by further comprising a wire box sleeved outside the electromagnetic valve, wherein a cable used for controlling the electromagnetic valve is arranged in the wire box, and the rubber tube support is fixed on one side of the wire box.

Further, the method comprises the following steps: the rubber tube comprises a rubber tube body and is characterized in that a cavity base is arranged on one side of the rubber tube body, the air outlet joint is fixed on the rubber tube body, a communicating opening used for communicating the rubber cavity with the air outlet joint is formed in the cavity base, and the rubber tube body further comprises a rubber gasket arranged between the rubber tube body and the cavity base.

Further, the method comprises the following steps: the hanging rack is arranged on one side of the cavity base.

The utility model has the beneficial effects that: the structure adjusts the impact force of the firing pin through the arrangement of the stroke, so that the firing pin is matched with different glues, and the glues with different types and viscosities can be accurately sprayed, so that the injection valve can be widely applied to various kinds of glues, and non-contact injection glue dispensing is adopted, so that the lifting of a Z axis of equipment is not needed, and the glue dispensing capacity is greatly improved; glue some weight control accurate, repeatability is high, has guaranteed the uniformity that the product glued the volume, and the setting of heater realizes the fluid heating of closed loop, ensures that the fluid keeps the viscosity invariable in whole passageway, and modular design easily dismouting and clean maintenance simultaneously.

Drawings

FIG. 1 is a schematic diagram of a pneumatic injection valve mechanism.

Fig. 2 is an exploded view of a pneumatic injection valve.

Fig. 3 is a cross-sectional view of the stroke.

Labeled as: the device comprises a nozzle assembly 1, a fixed jaw 11, a rubber bin 12, a nozzle 13, a nozzle heater 14, a flooding plug sealing ring 15, a nozzle sealing ring 16, a rubber cylinder 2, a high-pressure air inlet assembly 3, an air inlet pipe 31, an air inlet joint 32, an electromagnetic valve 33, an electromagnetic valve sealing ring 34, an air outlet assembly 4, an air outlet sealing ring 41, an air outlet joint 42, an air outlet pipe 43, a firing pin 5, a stroke 6, a thread column 61, a spring limiting column 62, a spring column 63, a spring 64, a rotating handle 65, a clamping groove 66, a clamping ring 67, a scale ring 68, a spring sheet 69, a wire box 71, a cable 72, a rubber pipe support 73, a cavity base 74, a rubber gasket 75 and a hanging rack 76.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, a non-contact precise pneumatic injection valve includes a nozzle assembly 1, a rubber cylinder 2 is disposed above the nozzle assembly 1, a rubber chamber communicated with the nozzle assembly 1 is disposed in the rubber cylinder 2, an air inlet and an air outlet are disposed on one side of the rubber cylinder 2, a high-pressure air inlet assembly 3 and an air outlet assembly 4 are disposed at the air inlet and the air outlet, a striker 5 is disposed in the rubber chamber, and a stroke 6 for limiting a stroke of the striker 5 is disposed above the rubber cylinder 2, when the non-contact precise pneumatic injection valve is in specific operation, high-pressure air is introduced from the air inlet through the high-pressure air inlet assembly 3, so that the striker 5 rises under the action of the high-pressure air, and then the high-pressure air flows out from the air outlet assembly 4, the striker 5 falls under the action of gravity, strikes against glue in the nozzle assembly 1, so that the glue is sprayed out from the nozzle assembly 1, and when different types of glue are used, the stroke of the firing pin 5 can be adjusted through the stroke 6 according to the glue property, so that the impact strength of the firing pin 5 is changed, the structure can be matched with various kinds of glue, and the phenomena that the glue cannot be sprayed or hung, is scattered, has bubbles and the like are reduced.

On the basis, the stroke 6 comprises a screw column 61, the surface of the screw column 61 is provided with an external thread for being in threaded connection with the rubber barrel 2, a spring limiting column 62 is arranged inside the screw column 61, a first convex ring is arranged on the surface of the spring limiting column 62, the spring column 63 can extend into the spring limiting column 62, a second convex ring is arranged at the lower end of the spring column 63, the spring 64 is sleeved outside the spring limiting column 62 and the spring column 63, the spring 64 is limited between the first convex ring and the second convex ring, and when the stroke 6 is adjusted, the screw column 61 completely compresses the spring 64 by the external thread in an initial state, and at the moment, the firing pin 5 cannot be lifted; the thread of the loosening screw column 61 is upward, and the spring 64 is slightly released; and adjusting the screw tooth column 61 for multiple times to the optimal height required by the corresponding glue solution for glue spraying.

On the basis, the outer part of the upper end of the screw tooth column 61 is fixedly connected with a rotary handle 65, the bottom of the rotary handle 65 is provided with a clamping groove 66, the screw tooth column 61 comprises an adjusting part at the middle part and a connecting part at the lower part, the connecting part is provided with a third convex ring, the external thread is arranged at the outer edge of the third convex ring, the adjusting part is sleeved with a clamping ring 67, the upper end of the clamping ring 67 is provided with a clamping part clamped into the clamping groove 66, when the clamping part is far away from the clamping groove 66, the clamping ring 67 can rotate around the adjusting part, the screw tooth column further comprises a scale ring 68 arranged outside the clamping ring 67 and a spring 64 piece sleeved on the adjusting part, the spring 64 piece is positioned between the clamping ring 67 and the third convex ring, during adjustment, the rotary handle 65 can drive the screw tooth column 61 to rotate, during rotation, the scale ring 68 outside the clamping ring 67 is driven to synchronously rotate, and the setting of the scale ring 68 can play a role in prompting the height adjustment of the screw tooth column 61, in order to ensure the accuracy of the scale ring 68, the scale ring 68 is pressed downwards to make the clamping part separated from the clamping groove 66, so that an operator can rotate the scale ring 68 to align with a zero position conveniently; after the zero position is aligned, a person loosens the scale ring 68, the spring 64 piece is lifted, and the scale ring 68 is matched with the clamping groove 66 to complete adjustment.

On the basis, the high-pressure air inlet component 3 comprises an air inlet pipe 31, an air inlet joint 32 and an electromagnetic valve 33 which are connected in sequence, and also comprises an electromagnetic valve sealing ring 34 arranged between the air inlet joint 32 and the electromagnetic valve 33, the air outlet assembly 4 comprises an air outlet sealing ring 41 arranged at an air outlet, an air outlet channel communicated with the air outlet cavity is arranged on the rubber cylinder 2, the air outlet assembly also comprises an air outlet joint 42 communicated with the air outlet channel and an air outlet pipe 43 connected with the air outlet joint 42, when glue needs to be sprayed, the electromagnetic valve 33 is firstly opened, high-pressure air enters, the striker 5 rises under the action of the high-pressure gas, the electromagnetic valve 33 is closed, the high-pressure gas is exhausted through the air outlet channel, the air outlet joint 42 and the air outlet pipe 43, the pressure of the striker 5 disappears, the striker 5 falls under the action of gravity and impacts the glue in the nozzle assembly 1, the glue is sprayed out, and therefore the glue spraying is accurately controlled.

On the basis, nozzle assembly 1 is including fixing fixed jack catch 11 in packing element 2 bottom, fixed jack catch 11 bottom is provided with glues storehouse 12, glue storehouse 12 bottom and be provided with nozzle 13, glue storehouse 12 one side and be provided with into gluey mouth, still establish nozzle heater 14 at nozzle 13 outside including the cover, be provided with general stopper sealing washer 15 between gluey storehouse 12 and the packing element 2, be provided with nozzle sealing washer 16 between nozzle 13 and the gluey storehouse 12, the setting of sealing washer can prevent glue leakage, and nozzle heater 14's setting can ensure that the fluid keeps viscosity invariable in whole passageway to the uniformity of product volume of gluing has been guaranteed.

On the basis, still establish the line box 71 at the outside of solenoid valve 33 including the cover, be provided with the cable 72 that is used for controlling solenoid valve 33 in the line box 71, still including fixing the rubber tube support 73 in line box 71 one side, 2 one sides of packing element are provided with cavity base 74, it fixes on packing element 2 to go out gas joint 42, be provided with the intercommunication mouth that is used for the intercommunication gluey chamber and the joint 42 that goes out on cavity base 74, still include colloid gasket 75, colloid gasket 75 sets up between packing element 2 and cavity base 74, rubber tube support 73 is used for placing the rubber tube, and the rubber tube can feed through with advancing jiao kou for let in glue, line box 71 can be used to hold subassembly such as cable 72, air inlet connector 32 and solenoid valve 33, and cavity base 74 can be used to fix air outlet joint 42, the modularized design of this structure, easily dismouting and clean maintenance.

On the basis, the pneumatic injection valve further comprises a hanging rack 76 arranged on one side of the cavity base 74, and the hanging rack 76 can facilitate the installation and fixation of the pneumatic injection valve.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A non-contact precise pneumatic injection valve is characterized in that: including nozzle assembly (1), nozzle assembly (1) top is provided with packing element (2), is provided with the gluey chamber with nozzle assembly (1) intercommunication in packing element (2), packing element (2) one side is provided with air inlet and gas outlet respectively, air inlet and gas outlet department are provided with high pressure subassembly (3) and the subassembly (4) of giving vent to anger, be provided with firing pin (5) in the gluey intracavity, and packing element (2) top is provided with stroke (6) that are used for restricting firing pin (5) stroke.

2. A precision pneumatic injection valve of the type described in claim 1 wherein: stroke (6) are including screw tooth post (61), screw tooth post (61) surface is provided with the external screw thread that is used for with packing element (2) threaded connection, the inside spacing post of spring (62) that is provided with of screw tooth post (61), spacing post of spring (62) surface is provided with first bulge loop, still including spring post (63) that can stretch into the spacing post of spring (62) inside, spring post (63) lower extreme is provided with the second bulge loop, still establishes spring (64) in the spacing post of spring (62) and spring post (63) outside including the cover, spring (64) are spacing between first bulge loop and second bulge loop.

3. A precision pneumatic injection valve of the type described in claim 2 wherein: spiral shell tooth post (61) upper end outside fixedly connected with rotation handle (65), rotation handle (65) bottom is provided with draw-in groove (66), spiral shell tooth post (61) are including the adjustment portion and the connecting portion of lower part at middle part, connecting portion are provided with the third bulge loop, the external screw thread sets up and follows outside the third bulge loop, the adjustment portion cover is equipped with snap ring (67), snap ring (67) upper end is provided with the joint portion of card income draw-in groove (66), and when draw-in groove (66) was kept away from to joint portion, snap ring (67) can rotate around the adjustment portion, still including setting up scale ring (68) outside snap ring (67), still establish spring (64) piece in the adjustment portion including the cover, spring (64) piece is located between snap ring (67) and the third bulge loop.

4. A precision pneumatic injection valve of the type described in claim 1 wherein: the high-pressure air inlet assembly (3) comprises an air inlet pipe (31), an air inlet connector (32) and an electromagnetic valve (33) which are sequentially connected, and further comprises an electromagnetic valve sealing ring (34) arranged between the air inlet connector (32) and the electromagnetic valve (33).

5. A precision pneumatic injection valve of the type described in claim 1 wherein: the air outlet assembly (4) comprises an air outlet sealing ring (41) arranged at an air outlet, an air outlet channel communicated with the air outlet cavity is arranged on the rubber cylinder (2), and the air outlet assembly further comprises an air outlet joint (42) communicated with the air outlet channel and an air outlet pipe (43) connected with the air outlet joint (42).

6. A precision pneumatic injection valve of the type described in claim 1 wherein: nozzle assembly (1) is including fixing fixed jack catch (11) in packing element (2) bottom, fixed jack catch (11) bottom is provided with glues storehouse (12), it is provided with nozzle (13) to glue storehouse (12) bottom, glues storehouse (12) one side and is provided with into gluey mouth, still establishes nozzle heater (14) in nozzle (13) outside including the cover.

7. A precision pneumatic injection valve of the type described in claim 6 wherein: a flood plug sealing ring (15) is arranged between the rubber bin (12) and the rubber barrel (2), and a nozzle sealing ring (16) is arranged between the nozzle (13) and the rubber bin (12).

8. A precision pneumatic injection valve of the type described in claim 4 wherein: the electromagnetic valve control device is characterized by further comprising a wire box (71) sleeved outside the electromagnetic valve (33), wherein a cable (72) used for controlling the electromagnetic valve (33) is arranged in the wire box (71), and the electromagnetic valve control device further comprises a rubber tube support (73) fixed on one side of the wire box (71).

9. A precision pneumatic injection valve of the type described in claim 5 wherein: one side of the rubber cylinder (2) is provided with a cavity base (74), the air outlet joint (42) is fixed on the rubber cylinder (2), a communicating port for communicating the rubber cavity and the air outlet joint (42) is arranged on the cavity base (74), the rubber sealing device further comprises a rubber gasket (75), and the rubber gasket (75) is arranged between the rubber cylinder (2) and the cavity base (74).

10. A precision pneumatic injection valve of the type described in claim 9 wherein: the device also comprises a hanging rack (76) arranged on one side of the cavity base (74).