CN212792880U - Ejector pin material gun - Google Patents
Ejector pin material gun Download PDFInfo
- Publication number
- CN212792880U CN212792880U CN202021819195.XU CN202021819195U CN212792880U CN 212792880 U CN212792880 U CN 212792880U CN 202021819195 U CN202021819195 U CN 202021819195U CN 212792880 U CN212792880 U CN 212792880U
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- air inlet
- gun body
- spray gun
- ejector pin
- gun
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Abstract
The utility model discloses a such ejector pin spray gun, including spray gun body, pan feeding mouth and discharge gate, the pan feeding mouth sets up one side of spray gun body, the discharge gate sets up the tip of spray gun body, this internal ejector pin that is provided with that runs through of spray gun, the ejector pin can be at this internal axial direction removal along the ejector pin of spray gun, is located be provided with buffer spring on the ejector pin of spray gun body top, buffer spring's both ends are provided with the locating part, the locating part sets up on the ejector pin. The utility model discloses when possessing and annotating the material effect, possess the function of drawing of patterns.
Description
Technical Field
The utility model relates to a ejector pin spray gun.
Background
In the existing foam forming die forming process, a feeding gun is required to feed materials.
For example, CN109047655A discloses a device for forming and removing a white mold of a lost foam casting motor casing, in which an automatic feeding gun is used, the function of the automatic feeding gun is only used as a material injection, and the automatic feeding gun does not play a role in removing the mold.
Disclosure of Invention
In view of the above, to the above-mentioned shortcomings, the present invention provides a push rod material gun, so as to solve the above-mentioned problems.
In order to realize above purpose, the utility model discloses a such ejector pin spray gun, including spray gun body, pan feeding mouth and discharge gate, the pan feeding mouth sets up one side of spray gun body, the discharge gate sets up the tip of spray gun body, its characterized in that: the material gun is characterized in that a top rod penetrates through the material gun body, the top rod can move in the material gun body along the axial direction of the top rod, a buffer spring is arranged on the top rod above the material gun body, limiting parts are arranged at two ends of the buffer spring, and the limiting parts are arranged on the top rod.
The utility model discloses further set up: the material gun comprises a gun body and is characterized in that a first air inlet and a second air inlet are arranged on the gun body, the first air inlet is close to the buffer spring, the second air inlet is close to the discharge hole, the first air inlet and the second air inlet are arranged on the same side of the gun body, and feeding air blowing openings are formed in the opposite sides of the side faces where the first air inlet and the second air inlet are located.
The utility model discloses further set up: the feeding air blowing opening is positioned below the second air inlet.
The utility model has the advantages that: the mold has the functions of material injection and demolding; the principle is as follows: when the mold is fed, the second air inlet is used for air inlet, the air cylinder drives the piston rod to move backwards, the material gun is in an open state at the moment, the feeding air blowing port is used for air inlet, the feeding port is used for feeding, the vacuum generator principle (the jet pipe jets compressed air at a high speed to form jet flow at the outlet of the jet pipe to generate entrainment flow) is utilized, and under the entrainment action, the air around the outlet of the jet pipe is continuously sucked away, so that the pressure in the adsorption cavity is reduced to be lower than the atmospheric pressure to form a certain vacuum degree) to blow the raw materials into the mold cavity. After the feeding is finished, the foam model is ejected out until the baffle plate is touched by the ejector rod, the ejector rod moves downwards, the piston rod is ejected out until the foam model is completely demolded, the buffer spring is also in a compression state at the moment, and the resetting can be realized through the reaction force of the buffer spring.
Drawings
Fig. 1 is a schematic diagram of a retraction state according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of an ejection state according to an embodiment of the present invention.
Fig. 3 is a schematic view of the installation-down retraction state according to the embodiment of the present invention.
Fig. 4 is a schematic view of the ejection state in the installation according to the embodiment of the present invention.
Fig. 5 is a schematic view of the interior of the material injection device according to the embodiment of the present invention.
Fig. 6 is an internal schematic view of the feeding and blowing port of the present invention when air is fed.
Fig. 7 is a schematic view of the inside of the injection device according to the embodiment of the present invention.
Fig. 8 is an internal schematic view of the embodiment of the present invention during ejection.
Reference numerals: 1. a gun body; 2. a feeding port; 3. a discharge port; 4. a top rod; 5. A buffer spring; 6. a limiting member; 7. a first air inlet; 8. a second air inlet; 9. moving the template; 10. an upper die; 11. ejecting out the cylinder; 12. ejecting a baffle plate; 13. a feeding air blowing port;
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model relates to a push rod spray gun, including spray gun body 1, pan feeding mouth 2 and discharge gate 3, pan feeding mouth 2 sets up one side of spray gun body 1, discharge gate 3 sets up spray gun body 1's tip, run through being provided with ejector pin 4 in spray gun body 1, ejector pin 4 can remove along ejector pin 4's axial direction in spray gun body 1, is located be provided with buffer spring 5 on the ejector pin 4 of spray gun body 1 top, buffer spring 5's both ends are provided with locating part 6, locating part 6 sets up on the ejector pin 4. Be provided with first air inlet 7 and second air inlet 8 on the spray gun body 1, first air inlet 7 is close to buffer spring 5 sets up, second air inlet 8 is close to discharge gate 3 sets up. The first air inlet and the second air inlet are arranged on the same side of the material gun body, and the opposite side of the side where the first air inlet and the second air inlet are located is provided with a feeding air blowing opening. Wherein the feed gas blow opening is below the second gas inlet.
The utility model has the material injection effect and the demoulding function; the principle is as follows: the ejector rod material gun is firstly arranged on a movable template 9 of the equipment, an upper die 10 is arranged below the movable template 9, wherein the movable template 9 is also provided with an ejection cylinder 11, and the ejection cylinder 11 is connected with an ejection baffle plate 12; the ejection cylinder 11 lifts the ejection baffle 12 to a certain height, so that the ejection baffle 12 is separated from the ejector rod 4, the integral position of the ejector rod gun is shown in figure 3, at the moment, the ejector rod gun is in a state that the gun is closed and the cylinder is closed, as shown in figure 5, then, the injection is needed, at this time, the second gas inlet 8 is injected, the piston rod is pushed to the upper position as shown in figure 6, then the raw material is blown into the die cavity by utilizing the principle of a vacuum generator (the jet pipe jets compressed air at high speed to form jet flow at the outlet of the jet pipe to generate entrainment flow, and the air around the outlet of the jet pipe is continuously pumped away under the action of entrainment so that the pressure in the adsorption cavity is reduced to be lower than the atmospheric pressure to form a certain vacuum degree), as shown in fig. 7, at this time, the jack 4 is in a natural state, and the buffer spring 5 is also in a natural extension state; after the material injection is completed, the foam model needs to be ejected, the concrete state is as shown in fig. 4, the ejection cylinder 11 drives the ejection baffle 12 to descend, the upper ejector rod 4 part of the ejector rod gun can abut against the ejection baffle 12 on the equipment, so that the ejector rod 4 moves downwards to push out the foam model, the buffer spring 5 is compressed at the moment, as shown in fig. 4, the internal action of the ejector rod gun is as shown in fig. 8, and after the foam model is pushed out, the ejector rod 4 is reset by the action of the buffer spring 5 to return to the initial state.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. The utility model provides a top rod spray gun, includes spray gun body, pan feeding mouth and discharge gate, the pan feeding mouth sets up one side of spray gun body, the discharge gate sets up the tip of spray gun body, its characterized in that: the material gun is characterized in that a top rod penetrates through the material gun body, the top rod can move in the material gun body along the axial direction of the top rod, a buffer spring is arranged on the top rod above the material gun body, limiting parts are arranged at two ends of the buffer spring, and the limiting parts are arranged on the top rod.
2. A push rod gun as claimed in claim 1, wherein: the material gun comprises a gun body and is characterized in that a first air inlet and a second air inlet are arranged on the gun body, the first air inlet is close to the buffer spring, the second air inlet is close to the discharge hole, the first air inlet and the second air inlet are arranged on the same side of the gun body, and feeding air blowing openings are formed in the opposite sides of the side faces where the first air inlet and the second air inlet are located.
3. A push rod gun according to claim 2, wherein: the feeding air blowing opening is positioned below the second air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021819195.XU CN212792880U (en) | 2020-08-27 | 2020-08-27 | Ejector pin material gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021819195.XU CN212792880U (en) | 2020-08-27 | 2020-08-27 | Ejector pin material gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212792880U true CN212792880U (en) | 2021-03-26 |
Family
ID=75083854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021819195.XU Active CN212792880U (en) | 2020-08-27 | 2020-08-27 | Ejector pin material gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212792880U (en) |
-
2020
- 2020-08-27 CN CN202021819195.XU patent/CN212792880U/en active Active
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