CN216296918U - Adjustable dispensing valve - Google Patents
Adjustable dispensing valve Download PDFInfo
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- CN216296918U CN216296918U CN202122649294.9U CN202122649294U CN216296918U CN 216296918 U CN216296918 U CN 216296918U CN 202122649294 U CN202122649294 U CN 202122649294U CN 216296918 U CN216296918 U CN 216296918U
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- valve body
- main valve
- chamber
- dispensing valve
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Abstract
The utility model discloses an adjustable dispensing valve, which comprises: the main valve body is internally provided with a containing chamber; the bottom end of the main valve body is provided with a nozzle, the main valve body is in threaded connection with an adjusting base, an adjusting chamber is arranged in the adjusting base, a push rod is connected in the adjusting chamber in a sliding manner, and the push rod is abutted with the second end of the striker; an adjusting knob is connected with one end of the adjusting base far away from the main valve body through threads. When the size of the glue output amount needs to be adjusted, firstly, the adjusting base is screwed, so that the whole length of the adjusting chamber is changed; secondly, the adjusting knob is screwed to change the gap between the adjusting knob and the push rod; the two modes can change the sliding stroke of the firing pin, and the single glue discharging amount of the striking pin is changed, so that the functions of adjusting the glue discharging amount and finishing the spraying of glue solutions with different viscosities are achieved; in addition, in the dispensing process, the dispensing valve does not need to move up and down, and the working efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of dispensing valves, in particular to an adjustable dispensing valve.
Background
The dispensing valve is a necessary dispensing accessory of the dispensing machine equipment for realizing product dispensing, gluing, glue pouring and packaging, and has the main functions of realizing transportation of a packaging glue medium and rapidly sucking and stopping glue under the condition that glue and fluid are dripped and leaked in the packaging process so as to ensure the packaging quality. In short, the dispensing valve is a special switch capable of instantly stopping dispensing, and is often used together with a dispenser and a glue-pouring machine. Commonly used are a suck-back dispensing valve, a thimble type dispensing valve, a plunger type dispensing valve, a jet type dispensing valve, etc.
In the prior art, a dispensing machine adopts contact type dispensing, and the dispensing amount of the contact type dispensing depends on the aperture size of a needle head and the size of feeding air pressure; the dispensing device has the disadvantages that when the contact dispensing head dispenses, the driving module is required to drive the dispensing head to move along the Z-axis direction, and the working efficiency is low.
In view of this, it is necessary to improve the dispensing valve in the prior art to solve the technical problem of low working efficiency of the contact dispensing head.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an adjustable dispensing valve, which solves the technical problems.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an adjustable dispensing valve comprising: the main valve body is internally provided with a containing chamber for containing glue; a nozzle is arranged at the bottom end of the main valve body and communicated with the accommodating chamber;
the firing pin is connected in the accommodating cavity in a sliding mode, and a preset gap is formed between the first end of the firing pin and the nozzle;
a first bolt hole is formed in the top end of the main valve body, an adjusting base is connected with the first bolt hole in an internal thread mode, an adjusting cavity is arranged in the adjusting base, a push rod is connected in the adjusting cavity in a sliding mode, and the push rod is abutted to the second end of the firing pin; and one end of the adjusting base, which is far away from the main valve body, is in threaded connection with an adjusting knob.
Optionally, an elastic member is arranged in the adjusting chamber, the elastic member is connected with the push rod, and the elastic member is used for pushing the push rod to move downwards.
Optionally, the adjusting base includes an outer adjusting seat and an inner adjusting seat screwed in the outer adjusting seat, and the outer adjusting seat is screwed with the main valve body through the first bolt hole; and a sealing ring is arranged between the inner adjusting seat and the outer adjusting seat.
Optionally, the adjusting device further comprises a jacking spring arranged in the adjusting chamber;
a blocking ring part is arranged in the outer adjusting seat and is connected with the elastic part, and the blocking ring part is used for supporting the elastic part;
the first end of the jacking spring is connected with the upper end face of the blocking ring part, and the second end of the jacking spring is connected with the inner adjusting seat.
Optionally, one end of the main valve body is connected with a glue inlet device, and the glue inlet device is used for injecting glue into the accommodating chamber.
Optionally, the pneumatic control valve further comprises a pneumatic driving device, an air inlet communicated with the adjusting chamber is formed in the outer side wall of the main valve body, and the pneumatic driving device is connected with the air inlet; the pneumatic driving device is used for supplying air to the air inlet so as to drive the striker to move upwards.
Optionally, the heating device is arranged on the nozzle, and the heating device is used for heating the colloid in the nozzle.
Optionally, the adjusting base is sleeved with an adjusting scale ring.
Compared with the prior art, the utility model has the following beneficial effects: when the dispensing machine works, the firing pin is driven to slide along the accommodating cavity, and the firing pin can push the colloid in the accommodating cavity to be sprayed out from the nozzle, so that dispensing is finished; when the size of the glue discharging amount needs to be adjusted, firstly, the adjusting base is screwed, so that the whole length of the adjusting chamber is changed, the sliding stroke of the firing pin is changed, the single glue discharging amount of the striking pin is changed, and the effects of adjusting the glue discharging amount and finishing the spraying of glue solutions with different viscosities are achieved; in addition, in the dispensing process, the dispensing valve does not need to move up and down, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
The structure, proportion, size and the like shown in the drawings are only used for matching with the content disclosed in the specification, so that the person skilled in the art can understand and read the description, and the description is not used for limiting the limit condition of the implementation of the utility model, so the method has no technical essence, and any structural modification, proportion relation change or size adjustment still falls within the scope of the technical content disclosed by the utility model without affecting the effect and the achievable purpose of the utility model.
FIG. 1 is a schematic cross-sectional view of an adjustable dispensing valve;
FIG. 2 is a schematic diagram of an elevation view of an adjustable dispensing valve;
FIG. 3 is an exploded view of the lower half of the adjustable dispensing valve;
FIG. 4 is an exploded view of the upper half of the adjustable dispensing valve;
FIG. 5 is a second schematic cross-sectional view of the adjustable dispensing valve;
fig. 6 is a partially enlarged structural diagram of the adjustable dispensing valve at a in fig. 5.
Illustration of the drawings: the main valve body 1, a firing pin 2, an accommodating chamber 3, a nozzle 4, an adjusting base 5, an adjusting chamber 6, a push rod 7, an adjusting knob 8, an elastic piece 11, an outer adjusting seat 12, an inner adjusting seat 13, a jacking spring 14, a retaining ring part 15, a glue feeding device 17, a pneumatic driving device 18, a heating device 16, an adjusting scale ring 9 and an air inlet 10.
Detailed Description
In order to make the objects, features and advantages of the present invention more apparent and understandable, the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings, and it is to be understood that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
The embodiment of the utility model provides an adjustable dispensing valve, which comprises: the main valve body 1 is internally provided with a containing chamber 3 for containing glue; a nozzle 4 is arranged at the bottom end of the main valve body 1, and the nozzle 4 is communicated with the accommodating chamber 3;
the firing pin 2 is slidably connected in the accommodating chamber 3, and a preset gap is formed between a first end of the firing pin 2 and the nozzle 4;
a first bolt hole is formed in the top end of the main valve body 1, an adjusting base 5 is connected to the first bolt hole in an internal thread mode, an adjusting chamber 6 is arranged in the adjusting base 5, a push rod 7 is connected to the adjusting chamber 6 in a sliding mode, and the push rod 7 is abutted to the second end of the firing pin 2; and an adjusting knob 8 is connected to one end, far away from the main valve body 1, of the adjusting base 5 in a threaded manner.
The working principle of the utility model is as follows: when the dispensing machine works, the firing pin 2 is driven to slide along the accommodating chamber 3, and the firing pin 2 can push the colloid in the accommodating chamber 3 to be sprayed out from the nozzle 4, so that dispensing is completed; when the size of the glue discharging amount needs to be adjusted, the adjusting base 5 is screwed, so that the overall length of the adjusting chamber 6 and the accommodating chamber 3 is changed, the sliding stroke of the firing pin 2 is changed, the single glue discharging amount impacted by the firing pin 2 is changed, and the effects of adjusting the glue discharging amount and completing the spraying of glue solutions with different viscosities are achieved; compared with a dispensing valve in the prior art, the dispensing valve does not need to move up and down in the dispensing process, and the working efficiency is improved.
In this embodiment, an elastic member 11 is disposed in the adjustment chamber 6, the elastic member 11 is connected to the push rod 7, and the elastic member 11 is used for pushing the push rod 7 to move downward. Wherein, the elastic element 11 can be any one of a compression spring sheet or a compression spring; the elastic part 11 plays a role of elastic energy storage;
when the device works, the firing pin 2 is driven to drive the push rod 7 to move upwards, so that the elastic part 11 is compressed and converted into elastic potential energy of the elastic part 11; when the driving of the firing pin 2 is stopped, the elastic member 11 will rebound, and the elastic potential energy thereof will be converted into kinetic energy, so as to push the firing pin 2 to move downwards along the accommodating chamber 3, and the firing pin 2 pushes the colloid in the accommodating chamber 3 to be sprayed out from the nozzle 4, thereby completing the glue discharging.
Further, the adjusting base 5 comprises an outer adjusting seat 12 and an inner adjusting seat 13 screwed in the outer adjusting seat 12, and the outer adjusting seat 12 is screwed with the main valve body 1 through the first bolt hole; a sealing ring is arranged between the inner adjusting seat 13 and the outer adjusting seat 12.
Specifically, the device also comprises a jacking spring 14 arranged in the adjusting chamber 6;
a ring blocking part 15 is arranged in the outer adjusting seat 12, the ring blocking part 15 is connected with the elastic part 11, and the ring blocking part 15 is used for supporting the elastic part 11;
the first end of the jacking spring 14 is connected with the upper end face of the ring blocking part 15, and the second end of the jacking spring 14 is connected with the inner adjusting seat 13.
The jacking spring 14 is used for jacking the inner adjusting seat 13, so that the inner adjusting seat 13 cannot be loosened when being screwed down for multiple times, and the adjusting precision of the stroke is ensured.
In this embodiment, a glue inlet device 17 is connected to one end of the main valve body 1, and the glue inlet device 17 is used for injecting glue into the accommodating chamber 3.
In this embodiment, the main valve further comprises a pneumatic driving device 18, an air inlet 10 communicated with the regulating chamber 6 is opened on the outer side wall of the main valve body 1, and the pneumatic driving device 18 is connected with the air inlet 10; the pneumatic driving device 18 is used for supplying air to the air inlet 10 to drive the striker 2 to move upwards. Wherein a pneumatic drive 18 is provided as a power source to drive the device upward, converting it into elastic potential energy of spring compression.
In this embodiment, the apparatus further includes a heating device 16, the heating device 16 is disposed on the nozzle 4, and the heating device 16 is configured to heat the colloid in the nozzle 4. Meanwhile, a water cooling pipeline is arranged in the heating device 16, so that the heat dissipation effect can be achieved.
As a preferable scheme of this embodiment, the adjusting base 5 is externally sleeved with an adjusting scale ring 9. During actual work, the adjusting scale ring 9 is screwed, so that the adjusting function of the adjusting base 5 can be realized, and the operation is convenient.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. An adjustable dispensing valve, comprising: the main valve body is internally provided with a containing chamber for containing glue; a nozzle is arranged at the bottom end of the main valve body and communicated with the accommodating chamber;
the firing pin is connected in the accommodating cavity in a sliding mode, and a preset gap is formed between the first end of the firing pin and the nozzle;
a first bolt hole is formed in the top end of the main valve body, an adjusting base is connected with the first bolt hole in an internal thread mode, an adjusting cavity is arranged in the adjusting base, a push rod is connected in the adjusting cavity in a sliding mode, and the push rod is abutted to the second end of the firing pin; and one end of the adjusting base, which is far away from the main valve body, is in threaded connection with an adjusting knob.
2. The adjustable dispensing valve according to claim 1, wherein an elastic member is disposed in the adjusting chamber, the elastic member is connected to the push rod, and the elastic member is used for pushing the push rod to move downward.
3. The adjustable dispensing valve according to claim 2, wherein the adjustment base comprises an outer adjustment seat and an inner adjustment seat screwed into the outer adjustment seat, the outer adjustment seat being screwed to the main valve body through the first bolt hole; and a sealing ring is arranged between the inner adjusting seat and the outer adjusting seat.
4. The adjustable dispensing valve according to claim 3, further comprising a biasing spring disposed within the adjustment chamber;
a blocking ring part is arranged in the outer adjusting seat and is connected with the elastic part, and the blocking ring part is used for supporting the elastic part;
the first end of the jacking spring is connected with the upper end face of the blocking ring part, and the second end of the jacking spring is connected with the inner adjusting seat.
5. The adjustable dispensing valve according to claim 1, wherein a glue inlet means is connected to a portion of the main valve body for injecting glue into the receiving chamber.
6. The adjustable dispensing valve according to claim 1, further comprising a pneumatic driving device, wherein an air inlet communicated with the adjusting chamber is opened on an outer side wall of the main valve body, and the pneumatic driving device is connected with the air inlet; the pneumatic driving device is used for supplying air to the air inlet so as to drive the striker to move upwards.
7. The adjustable dispensing valve according to claim 1, further comprising a heating device disposed on the nozzle, the heating device being configured to heat the glue in the nozzle.
8. The adjustable dispensing valve as defined in claim 1, wherein the adjusting base is externally sleeved with an adjusting scale ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122649294.9U CN216296918U (en) | 2021-11-01 | 2021-11-01 | Adjustable dispensing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122649294.9U CN216296918U (en) | 2021-11-01 | 2021-11-01 | Adjustable dispensing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216296918U true CN216296918U (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122649294.9U Active CN216296918U (en) | 2021-11-01 | 2021-11-01 | Adjustable dispensing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216296918U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115532531A (en) * | 2022-09-28 | 2022-12-30 | 东莞市凯格精机股份有限公司 | Self-tuning method of piezoelectric injection valve |
-
2021
- 2021-11-01 CN CN202122649294.9U patent/CN216296918U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115532531A (en) * | 2022-09-28 | 2022-12-30 | 东莞市凯格精机股份有限公司 | Self-tuning method of piezoelectric injection valve |
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