CN209901616U - Dispensing valve and dispensing machine using same - Google Patents
Dispensing valve and dispensing machine using same Download PDFInfo
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- CN209901616U CN209901616U CN201920360600.7U CN201920360600U CN209901616U CN 209901616 U CN209901616 U CN 209901616U CN 201920360600 U CN201920360600 U CN 201920360600U CN 209901616 U CN209901616 U CN 209901616U
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- dispensing
- glue
- valve
- push rod
- valve body
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Abstract
The utility model relates to a dispensing valve and a dispenser using the same, wherein the dispensing valve comprises a valve body; push rod: the push rod can do telescopic motion in the valve body; dispensing a needle head: the dispensing needle head is arranged on the valve body; rotating shaft: the rotating shaft penetrates through the valve body, a glue inlet hole is formed in the rotating shaft, and the glue inlet hole can be communicated with the glue dispensing needle head by rotating the rotating shaft; and a first pressure regulating valve: the first pressure regulating valve is used for regulating an air pressure value generated by the downward movement of the push rod; when the glue inlet hole is communicated with the glue dispensing needle head, the push rod moves downwards, so that the glue dispensing needle head discharges glue. The utility model adds the first pressure regulator to make the air pressure generated by the push rod always in the range of the threshold value, thereby realizing accurate dispensing; and the size of the glue dispensing amount can be changed by adjusting the threshold value of the first pressure regulator, so that the applicability of the glue dispenser is improved. During dispensing, the opening/closing of dispensing can be controlled by rotating the rotating shaft, so that rapid dispensing is realized, and the production efficiency of the dispenser is improved.
Description
Technical Field
The utility model relates to a glue technical field, especially relate to a dispensing valve and applied this dispensing valve's point gum machine.
Background
The dispenser is also called a glue spreader, a glue dispenser, a glue filling machine and the like, and is specially used for controlling the fluid. And the fluid is dripped and coated on the surface of the product or an automatic machine inside the product, so that three-dimensional and four-dimensional path dispensing, accurate positioning, accurate glue control, no wire drawing, no glue leakage and no glue dripping can be realized. The glue dispenser is mainly used for accurately dispensing, injecting, coating and dripping glue, paint and other liquids in a product process to each accurate position of a product, and can be used for realizing dispensing, line drawing, circular or arc.
Point gum machine among the prior art includes the cavity, go up the ceramic plate, the guide slot, go out the offset plate and lower ceramic plate, the cavity is ceramic material, cavity top plane is opened there is the push rod hole, the push rod hole runs through the cavity, the push rod downthehole interpolation of push rod has the push rod, cavity middle part plane is opened has the feed port, the feed port below is for hiding gluey cavity, the cavity side, it has the air vent to hide gluey cavity top, the air vent is blocked by the air vent, cavity bottom both sides are fixed with the guide slot, it adorns on the guide slot to go out gluey integrated circuit board, it is provided with out gluey hole to go out the position that offset plate and push rod hole correspond, it installs out gluey syringe needle to go out gluey hole bottom, it is the loop configuration with lower ceramic plate to go up the ceramic plate, it fixes in the cavity bottom to go up the ceramic plate, encircle hiding gluey cavity.
The dispensing machine is at the during operation, rely on the funnel to pour into the sizing material into in hiding gluey cavity, stimulate out the offset plate through the clamp plate and approximately 5mm distance, stagger push rod hole and play gluey hole, push rod hole is located hiding gluey cavity, to lifting a certain distance push rod, inhale a certain amount of sizing material into push rod hole, then promote out the offset plate through the clamp plate is reverse, and pull out the air vent pole, make push rod hole and play gluey hole cooperation, hide gluey cavity internal gas pressure and resume normal simultaneously, the push rod is moved in the pressure this moment, extrude the downthehole sizing material of push rod by a gluey syringe needle, point on the product, impress the air vent pole into once more, pull out the offset plate through the clamp plate, to lifting a certain distance push rod upwards, inhale a certain amount of sizing material into push rod hole, prepare again and glue, so go round. Therefore, the glue dispensing process needs to repeatedly push the glue discharging plate and the ventilation rod to move back and forth, so that the glue dispensing time is long, and the production efficiency of the glue dispenser is influenced; when the glue is sucked, the glue in the push rod hole is sucked by the suction force generated by the upward push rod, so that the dispensing precision of the dispenser is easily influenced once the upward stroke of the push rod has an error.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a valve and applied this dispensing valve's point gum machine makes it can realize quick, accurate point gum.
In order to solve the technical problem, the utility model provides a technical scheme does:
a dispensing valve comprises a valve body; push rod: the push rod can do telescopic motion in the valve body; dispensing a needle head: the dispensing needle head is arranged on the valve body; rotating shaft: the rotating shaft penetrates through the valve body, a glue inlet hole is formed in the rotating shaft, and the glue inlet hole can be communicated with the glue dispensing needle head by rotating the rotating shaft; and a first pressure regulating valve: the first pressure regulating valve is used for regulating an air pressure value generated by the downward movement of the push rod; when the glue inlet hole is communicated with the glue dispensing needle head, the push rod moves downwards, so that the glue dispensing needle head discharges glue.
The dispensing valve further comprises a connecting seat, the connecting seat is mounted on the valve body and communicated with the valve body, and a feeding port is formed in the connecting seat.
And a sealing gasket is arranged between the connecting seat and the valve body.
Wherein, be equipped with the second voltage regulator on the connecting seat.
Wherein, the two ends of the rotating shaft are provided with baffles.
The first end part of the rotating shaft extends out of the valve body, and a gear is arranged on the first end part.
The utility model provides another technical scheme does:
a glue dispenser comprises a motor, a screw rod, a cylinder and a glue dispensing valve; the motor drives the screw rod to rotate, the screw rod drives the pressing plate to move, and the pressing plate drives the push rod to move; the cylinder drives the rotating shaft to rotate.
The utility model has the advantages that: the utility model adds the first pressure regulator to make the air pressure generated by the push rod always in the range of the threshold value, thereby realizing accurate dispensing; and the size of the glue dispensing amount can be changed by adjusting the threshold value of the first pressure regulator, so that the applicability of the glue dispenser is improved. During dispensing, the opening/closing of dispensing can be controlled by rotating the rotating shaft, so that rapid dispensing is realized, and the production efficiency of the dispenser is improved.
Drawings
The disclosure of the present invention will be more apparent with reference to the accompanying drawings. It is to be understood that these drawings are solely for purposes of illustration and are not intended as a definition of the limits of the invention. In the figure:
fig. 1 is a schematic perspective view of a dispensing valve according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of a dispensing valve according to an embodiment of the present invention.
10. Dispensing a glue valve; 1. a valve body; 11. a first end face of the valve body; 12. a second end face of the valve body; 2. pressing a plate; 3. a push rod; 4. a rotating shaft; 41. a first baffle plate; 42. a second baffle; 43. a first end of the shaft; 5. dispensing a needle head; 6. a connecting seat; 61. a feeding port; 62. a gasket is provided.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 is a schematic perspective view of a dispensing valve according to an embodiment of the present invention; fig. 2 is a cross-sectional view of a dispensing valve according to an embodiment of the present invention.
As can be seen from the figure, the dispensing valve 10 may have a valve body 1, a pressing plate 2, a push rod 3, a rotating shaft 4 and a dispensing needle 5, wherein the pressing plate 2 is movably disposed on a first end surface 11 of the valve body; one end of the push rod 3 is arranged on the pressure plate 2, the other end of the push rod is positioned in the valve body 1, and the push rod is driven by the pressure plate 2 to do telescopic motion in the valve body 1. The dispensing needle head 5 is arranged on the second end surface 12 of the valve body; the rotating shaft 4 penetrates through the valve body 1, a glue inlet hole (not shown) is formed in the rotating shaft 4, and the glue inlet hole can be communicated with the glue dispensing needle head 5 by rotating the rotating shaft 4.
In this embodiment, the dispensing valve 10 may have a first pressure regulator (not shown in the figure), the first pressure regulator is installed on the valve body 1, and the pressure generated by extruding air downwards by the push rod 3 can be adjusted by the first pressure regulator, so that the pressure applied to the glue material is always within the threshold range, and thus the dispensing needle 5 is uniform in glue discharging, and the glue discharging precision of the dispensing machine is improved. The pressure applied to the glue material can be changed by adjusting the threshold value of the first pressure regulator, so that the glue discharging amount of the glue dispensing needle head 5 is changed, and the applicability of the glue dispenser is improved.
As shown in the figure, the dispensing valve 10 can be provided with a connecting seat 6, the connecting seat 6 is installed on the valve body 1, the connecting seat 6 is communicated with the valve body 1, a feeding port 61 is formed in the connecting seat 6, and the feeding port 61 and the rubber cylinder can be connected through a rubber tube. When glue is needed in the valve body 1, the glue in the glue cylinder is pressed into the valve body 1 through air pressure. In the embodiment shown in the figure, a sealing gasket 62 is arranged at the joint of the connecting seat 6 and the valve body 1, and the phenomenon of glue leakage at the joint can be prevented through the sealing gasket 62, so that the sealing performance of the valve body 1 is improved.
In this embodiment, a second pressure regulator (not shown) is disposed on the connecting seat 6, and the air pressure of the rubber cylinder can be controlled by adjusting the threshold of the second pressure regulator, so as to control the amount of the rubber material pressed into the valve body 1.
In the illustrated embodiment, a first baffle 41 and a second baffle 42 are arranged at two ends of the rotating shaft 4, the first baffle 41 is installed on a first side wall of the valve body 1, the second baffle 42 is installed on a second side wall of the valve body 1, and the first baffle 41 and the second baffle 42 can prevent the glue leakage at the joint of the rotating shaft 4 and the valve body 1, so that the sealing performance of the valve body 1 is improved.
In the present embodiment, the first end portion 43 of the rotating shaft protrudes from the valve body 1, and the first end portion 43 is provided with a gear (not shown).
Another aspect of the utility model provides a point gum machine. The dispensing valve of any one of the preceding embodiments may be provided in the dispenser.
For example, in an alternative embodiment, the dispenser may have a motor (not shown) and a lead screw (not shown), the motor is connected to the lead screw, the lead screw is connected to the pressure plate 2 through a connecting member, the motor drives the lead screw to rotate, the lead screw drives the connecting member to move, the connecting member drives the pressure plate 2 to move, and the pressure plate 2 drives the push rod 3 to move.
The dispenser may have a cylinder (not shown) connected to a gear on the shaft 4, the cylinder driving the gear to rotate, the gear driving the shaft 4 to rotate. The on/off state of the dispensing is realized by the rotation of the rotating shaft 4.
The working process is as follows:
firstly: the motor drives the screw rod to rotate, and the screw rod drives the pressing plate 2 to enable the push rod 3 to move upwards. Secondly, the method comprises the following steps: the glue in the charging barrel is pressed into the valve body 1 through air pressure. And thirdly: the cylinder drives the gear to rotate, and the gear drives the rotating shaft 4 to rotate, so that the feeding hole is communicated with the dispensing needle head 5. And finally: the motor drives the screw rod to rotate, the screw rod drives the pressing plate 2 to enable the push rod 3 to move downwards, the push rod 3 extrudes air, and therefore glue materials are discharged from the glue dispensing needle head 5. After the whole dispensing process is finished, the cylinder drives the gear to rotate, the gear drives the rotating shaft 4 to rotate, so that the feeding hole and the dispensing needle head 5 are separated, and a working cycle is finished.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A dispensing valve is characterized by comprising
A valve body;
push rod: the push rod can do telescopic motion in the valve body;
dispensing a needle head: the dispensing needle head is arranged on the valve body;
rotating shaft: the rotating shaft penetrates through the valve body, a glue inlet hole is formed in the rotating shaft, and the glue inlet hole can be communicated with the glue dispensing needle head by rotating the rotating shaft; and
a first pressure regulating valve: the first pressure regulating valve is used for regulating an air pressure value generated by the downward movement of the push rod;
when the glue inlet hole is communicated with the glue dispensing needle head, the push rod moves downwards, so that the glue dispensing needle head discharges glue.
2. The dispensing valve according to claim 1, further comprising a connecting seat, wherein the connecting seat is mounted on the valve body, the connecting seat is communicated with the valve body, and a feeding port is formed in the connecting seat.
3. The dispensing valve of claim 2, wherein a sealing gasket is disposed between the connecting seat and the valve body.
4. The dispensing valve of claim 2, wherein a second pressure regulator is provided on the connecting seat.
5. The dispensing valve of claim 1, wherein baffles are provided on both ends of the shaft.
6. The dispensing valve of claim 1, wherein the first end of the shaft extends from the valve body and is provided with a gear.
7. A dispenser, characterized by comprising a motor, a screw, a cylinder and the dispensing valve of any one of claims 1-6; the motor drives the screw rod to rotate, the screw rod drives the pressing plate to move, and the pressing plate drives the push rod to move; the cylinder drives the rotating shaft to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920360600.7U CN209901616U (en) | 2019-03-20 | 2019-03-20 | Dispensing valve and dispensing machine using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920360600.7U CN209901616U (en) | 2019-03-20 | 2019-03-20 | Dispensing valve and dispensing machine using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209901616U true CN209901616U (en) | 2020-01-07 |
Family
ID=69033153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920360600.7U Active CN209901616U (en) | 2019-03-20 | 2019-03-20 | Dispensing valve and dispensing machine using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209901616U (en) |
-
2019
- 2019-03-20 CN CN201920360600.7U patent/CN209901616U/en active Active
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