CN219168825U - Handheld unsaturated resin glue injection gun - Google Patents

Abstract

The utility model discloses a handheld unsaturated resin glue injection gun, and belongs to the technical field of glue injection equipment. The glue injection gun comprises a gun body, wherein a cleaning port, a feeding pipe and a discharging port are communicated in the gun body, a piston and a spring are arranged in the gun body, one end of the spring is in butt joint with the piston, the other end of the spring is in butt joint with the rear wall in the gun body, a piston rod is connected with the piston, the piston rod penetrates through the interior of the spring and the rear wall in the gun body and extends out of the gun body, and one end of the piston rod, which is far away from the piston, is connected with a limiting plate. The utility model provides a good operation tool for pouring unsaturated polyester resin, and the glue injection mode or the cleaning mode can be switched by arranging the gear lever, so that the structure is simple, the operation is convenient, and the cleaning is convenient; the waste of cleaning agent can be effectively avoided, and the environment is protected from pollution; and the cleaning efficiency is high, and the cleaning effect is good.

Description

Handheld unsaturated resin glue injection gun

Technical Field

The utility model relates to a handheld unsaturated resin glue injection gun, and belongs to the technical field of glue injection equipment.

Background

The unsaturated polyester resin has good performance, is early introduced in the manufacture of luminous marks, and has wide application. However, the casting tool is a relatively difficult problem, and the cured resin is extremely difficult to clean due to the short curing period, and the cleaning agent is relatively polluting, so that the application of the material is always a relatively great problem.

Disclosure of Invention

The utility model aims to provide a handheld unsaturated resin glue injection gun, which solves the problems of the blockage of the glue injection gun and the difficulty in cleaning the glue injection gun caused by the shorter curing time of unsaturated polyester resin in the pouring manufacture of a luminous mark, and provides a good operation tool for the pouring of the unsaturated polyester resin; meanwhile, the problem of pollution of the cleaning agent caused by cleaning the unsaturated polyester resin pouring tool is solved, and the environment is protected; the use efficiency is effectively improved, and the device is convenient and practical.

To achieve the purpose, the utility model is realized by adopting the following technical scheme:

the utility model provides a handheld unsaturated resin glue injection gun, which comprises a gun body, wherein a cleaning port, a feed pipe and a discharge port are communicated in the gun body, a piston and a spring are arranged in the gun body, one end of the spring is abutted with the piston, the other end of the spring is abutted with the rear wall in the gun body, the piston is connected with a piston rod, the piston rod penetrates through the interior of the spring and the rear wall in the gun body and extends out of the gun body, and one end of the piston rod, which is far away from the piston, is connected with a limiting plate.

In one embodiment of the utility model, the gun body is further provided with a gun body limiting plate, the gun body limiting plate is connected with a gear lever, one end of the gear lever is fixedly connected with the gun body limiting plate, and the other end of the gear lever penetrates through the limiting plate and is movably connected with the limiting plate.

In one embodiment of the utility model, the limiting plate is provided with a notch, the gear lever is provided with a first limiting bayonet and a second limiting bayonet, the first limiting bayonet and the second limiting bayonet are distributed on two sides of the gear lever, and the sizes of the first limiting bayonet and the second limiting bayonet are matched with the size of the notch of the limiting plate.

In one embodiment of the utility model, the head of the gun body is provided with the external thread interface, and the gun further comprises a waste bottle, wherein the waste bottle is provided with an internal thread interface, a pressure release hole and a return material interface, the internal thread interface is matched with the external thread interface, and the waste bottle is detachably connected with the external thread interface of the gun body through the internal thread interface.

In one embodiment of the present utility model, the cleaning port is provided with a solenoid valve.

In one embodiment of the utility model, a wash pump is also included.

In one embodiment of the utility model, one end of the feeding pipe is connected with a feeding joint, and the feeding joint is connected with a feeding pump.

In one embodiment of the utility model, the gun body is provided with a first switch button and a second switch button.

In one embodiment of the utility model, a metal contact assembly is further arranged in the gun body, the metal contact assembly comprises a first metal contact and a second metal contact, the first metal contact is positioned on the piston, the second metal contact is positioned at the position, close to the inner wall of the gun body, of the feeding pipe, and the first metal contact and the second metal contact are in inductive pairing.

In one embodiment of the utility model, the device further comprises a controller, wherein the controller is in data connection with the first switch button and the second switch button, and the controller is also in data connection with the electromagnetic valve, the material conveying pump, the cleaning pump and the metal contact.

The beneficial effects of the utility model are as follows:

1. the utility model solves the problems of the blockage of the casting gun and the difficult cleaning of the casting gun caused by the shorter curing time of the unsaturated polyester resin in the casting manufacture of the luminous mark, and provides a good operation tool for the casting of the unsaturated polyester resin; meanwhile, the problem of pollution of the cleaning agent caused by cleaning the unsaturated polyester resin pouring tool is solved, and the environment is protected; the use efficiency is effectively improved, and the device is convenient and practical.

2. According to the utility model, the glue injection or cleaning mode can be switched by arranging the gear lever, and the gear lever is rotated, so that the first limiting bayonet passes through the notch on the limiting plate, and the limiting plate reaches the second limiting bayonet under the action force of the spring. At this time, the epoxy resin plug in the piston just blocks the feeding pipe, so that unsaturated resin can not enter the gun body again, meanwhile, the metal contact pieces are combined and contacted, an induction signal is transmitted to the controller, the controller activates a second switch button for preventing misoperation, at this time, an internal wire interface on the waste bottle is screwed with an external wire interface at the gun head part, and the second switch button is pressed down. When the second switch button is pressed, the controller is used for controlling the first sliding electromagnetic valve to be opened, then the cleaning pump is opened, the cleaning agent enters the gun body from the cleaning port, flows into the waste bottle from the discharge port, and has the advantages of simple structure, convenience in operation and convenience in cleaning.

3. The pressure release hole arranged on the waste bottle has the function of ensuring that the pressure in the waste bottle is equal to the atmospheric pressure, ensuring that waste normally enters the waste bottle, and the waste entering the waste bottle can be intensively treated to protect the environment from pollution.

4. According to the utility model, the cleaning agent storage barrel of the return interface of the waste bottle can be connected by using the pipeline, when the cleaning agent is excessively used, the excessive cleaning agent flows back to the cleaning agent storage barrel through the return interface, so that the waste of the cleaning agent can be effectively avoided, and meanwhile, the environment pollution caused by excessive outflow of the cleaning agent during misoperation is avoided.

5. After the cleaning agent is cleaned, the second switch button is pressed to finish the injection of the cleaning agent. Then rotatory regulation pole makes the spacing bayonet socket of second pass through the notch on the limiting plate, and piston rod pulling limiting plate and rifle body limiting plate contact under the traction of spring, and the piston reaches the discharge gate position of rifle head under the spring effort this moment, and the head of piston stretches into the rifle head, has played the effect of all extruding the internal participated material of rifle, and the rifle body washs the completion, and cleaning efficiency is high, and the cleaning performance is good.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a hand-held unsaturated resin injection gun of the utility model.

In the figure: 1. a gun body; 2. a handle; 3. a waste bottle; 4. an internal thread interface; 5. a pressure release hole; 6. an electromagnetic valve; 7. a cleaning port; 8. a feed pipe; 9. a gun body limiting plate; 10. a shift lever; 11. a notch; 11-1, a first limiting bayonet; 11-2, a second limiting bayonet; 12. a spring; 13. a piston rod; 14. a limiting plate; 15. a controller; 16. a first switch button; 17. a second switch button; 18. an external thread interface; 19. a material conveying pump; 20. a feed joint; 21. a feed back interface; 22. a piston; 23. a discharge port; 24. a cleaning pump; 25. contact sheet combination.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, the terms "upper", "lower", "left", "right", and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Example 1

As shown in fig. 1, a handheld unsaturated resin injecting glue rifle, includes the rifle body 1, the inside intercommunication of rifle body 1 has wash mouth 7, inlet pipe 8 and discharge gate 23, be provided with piston 22 and spring 12 in the rifle body 1, the one end of spring 12 with piston 22 butt, the other end with the back wall butt in the rifle body 1, piston 22 is connected with piston rod 13, piston rod 13 passes the inside of spring 12 and the back wall in the rifle body 1 and stretches to outside the rifle body 1, piston rod 13 keeps away from the one end of piston 22 is connected with limiting plate 14.

Further, the gun body 1 is further provided with a gun body limiting plate 9, the gun body limiting plate 9 is connected with a gear shifting rod 10, one end of the gear shifting rod 10 is fixedly connected with the gun body limiting plate 9, and the other end of the gear shifting rod passes through the limiting plate 14 and is movably connected with the limiting plate 14.

Further, the limiting plate 14 is provided with a notch 11, the gear lever 10 is provided with a first limiting bayonet 11-1 and a second limiting bayonet 11-2, the first limiting bayonet 11-1 and the second limiting bayonet 11-2 are distributed on two sides of the gear lever 10, and the sizes of the first limiting bayonet 11-1 and the second limiting bayonet 11-2 are matched with the size of the notch 11 of the limiting plate 14. By rotating the gear shift lever 10, the first limit bayonet 11-1 or the second limit bayonet 11-2 on the gear shift lever 10 is aligned to the notch 11, the piston 22 drives the piston rod 13 to move under the elastic acting force of the spring 12, and the piston rod 13 drives the limit plate 14 to slide on the gear shift lever 10.

Further, the head of the gun body 1 is provided with an external thread interface 18, and the gun further comprises a waste bottle 3, an internal thread interface 4, a pressure release hole 5 and a return material interface 21 are arranged on the waste bottle 3, the internal thread interface 4 is matched with the external thread interface 18, and the waste bottle 3 is detachably connected with the external thread interface 18 of the gun body 1 through the internal thread interface 4.

Further, the cleaning port 7 is provided with a solenoid valve 6.

Further, a cleaning pump 24 is further included, and the cleaning pump 24 is used for pumping cleaning liquid into the gun body 1 from the electromagnetic valve 6 and the cleaning port 7.

Further, one end of the feed pipe 8 is connected with a feed connector 20, the feed connector 20 is connected with a feed pump 19, and the feed pump 19 is used for pumping the unsaturated resin mixture into the gun body 1 through the feed connector 20 and the feed pipe 8.

Further, the gun body 1 is provided with a first switch button 16 and a second switch button 17.

Optionally, a metal contact assembly 25 is further disposed in the gun body 1, and the metal contact assembly 25 includes a first metal contact and a second metal contact, where the first metal contact is located on the piston 22, the second metal contact is located at the position where the feeding pipe 8 is close to the inner wall of the gun body 1, and the first metal contact and the second metal contact are inductively paired. During the movement of the piston 22, the first metal contact and the second metal contact are inductively paired and the inductive signal is transmitted to the controller 15, and the controller 15 activates the second switch button 17 for preventing misoperation.

Optionally, the automatic cleaning device further comprises a controller 15, the controller 15 is in data connection with the first switch button 16 and the second switch button 17, the controller 15 is in data connection with the electromagnetic valve 6, the material conveying pump 19, the cleaning pump 24 and the metal contact sheet combination 25, and the controller 15 is used for controlling the opening or closing of the above devices, so that the automatic cleaning device is convenient to operate, simple and practical, and high in automation degree.

Optionally, the material of the feeding pipe 8 is tetrafluoroethylene.

The working principle of the utility model is as follows:

when the first switch button 16 is pressed, the material conveying pump 19 is controlled by the controller 15 to start working, and the unsaturated resin mixture enters the gun body 1 through the feed port connector 20 and the feed pipe 8 and flows out from the discharge port 23 to finish pouring.

If the casting gun is not used any more and cleaning is needed, the first switch button 16 is pressed again, and the controller 15 controls the material conveying pump 19 to stop conveying materials. At this time, the gear lever 10 is manually rotated, so that the first limiting bayonet 11-1 passes through the notch 11 on the limiting plate 14, and the limiting plate 14 reaches the second limiting bayonet 11-2 under the action force of the spring 12. At this time, the epoxy resin plug in the piston 22 just blocks the feeding pipe 8, so that unsaturated resin can not enter the gun body 1 any more, meanwhile, the metal contact sheet combination 25 is contacted, an induction signal is transmitted to the controller 15, the controller 15 activates the second switch button 17 for preventing misoperation, at this time, the internal wire interface 4 on the waste bottle 3 is screwed with the external wire interface 18 at the gun head part, and the second switch button 17 is pressed. When the second switch button 17 is pressed, the controller 15 controls the first sliding electromagnetic valve 6 to be opened, then the cleaning pump 24 is opened, and cleaning agent enters the gun body 1 from the cleaning port 7 and flows into the waste bottle 3 from the discharge port 23. The pressure release hole 5 arranged on the waste bottle 3 is used for ensuring that the pressure in the waste bottle 3 is equal to the atmospheric pressure, ensuring that waste normally enters the waste bottle, and the waste entering the waste bottle can be intensively treated to protect the environment from pollution. In addition, the cleaning agent storage barrel of the return material interface 21 of the waste material bottle 3 can be connected by a pipeline, when the cleaning agent is used excessively, the excessive cleaning agent flows back to the cleaning agent storage barrel through the return material interface 21, so that the waste of the cleaning agent can be effectively avoided, and meanwhile, the environment is prevented from being polluted by excessive outflow of the cleaning agent during misoperation.

After the cleaning of the cleaning agent is completed, the second switch button 17 is pressed to end the cleaning agent injection. Then the adjusting rod 10 is rotated to enable the second limiting bayonet 11-2 to pass through the notch 11 on the limiting plate 14, the piston rod 13 pulls the limiting plate 14 to be in contact with the gun body limiting plate 9 under the traction of the spring 12, at the moment, the piston 22 reaches the position of the discharge hole 23 of the gun head under the action of the spring force, the head of the piston 22 stretches into the gun head, the effect of extruding all the internal reference substances of the gun body 1 is achieved, and the gun body is cleaned. The tetrafluoroethylene material feeding pipe 8 is convenient to insert, pull and replace because of lower cost, and is not arranged in the cleaning part.

The scope of the present utility model is not limited to the above-described embodiments, but is intended to be limited to the appended claims, any modifications, equivalents, improvements and alternatives falling within the spirit and principle of the inventive concept, which can be made by those skilled in the art.

Claims (10)

1. The utility model provides a handheld unsaturated resin injecting glue rifle, its characterized in that, includes the rifle body, the inside intercommunication of rifle body has cleaning port, inlet pipe and discharge gate, be provided with piston and spring in the rifle body, the one end of spring with the piston butt, the other end with the internal back wall butt of rifle, the piston is connected with the piston rod, the piston rod passes the inside of spring and the internal back wall of rifle and stretches to the rifle body, the piston rod is kept away from the one end of piston is connected with the limiting plate.

2. The hand-held unsaturated resin glue injection gun according to claim 1, wherein a gun body limiting plate is further arranged on the gun body, the gun body limiting plate is connected with a gear lever, one end of the gear lever is fixedly connected with the gun body limiting plate, and the other end of the gear lever penetrates through the limiting plate and is movably connected with the limiting plate.

3. The hand-held unsaturated resin glue gun according to claim 2, wherein the limiting plate is provided with a notch, the gear lever is provided with a first limiting bayonet and a second limiting bayonet, the first limiting bayonet and the second limiting bayonet are distributed on two sides of the gear lever, and the size of the first limiting bayonet and the size of the second limiting bayonet are matched with the size of the notch of the limiting plate.

4. The hand-held unsaturated resin glue-injection gun according to claim 3, wherein the head of the gun body is provided with an external thread interface, the hand-held unsaturated resin glue-injection gun further comprises a waste bottle, an internal thread interface, a pressure release hole and a return material interface are arranged on the waste bottle, the internal thread interface is matched with the external thread interface, and the waste bottle is detachably connected with the external thread interface of the gun body through the internal thread interface.

5. The hand-held unsaturated resin injection gun of claim 4, wherein the purge port is provided with a solenoid valve.

6. The hand-held, unsaturated resin dispensing gun of claim 5, further comprising a purge pump.

7. The hand-held unsaturated resin injection gun of claim 6, wherein one end of the feed tube is connected with a feed connector, and the feed connector is connected with a feed pump.

8. The hand-held unsaturated resin injection gun of claim 7, wherein the gun body is provided with a first switch button and a second switch button.

9. The hand-held unsaturated resin injection gun of claim 8, wherein a metal contact assembly is further provided in the gun body, the metal contact assembly comprising a first metal contact and a second metal contact, the first metal contact being located on the piston, the second metal contact being located at the feed tube near the inner wall of the gun body, the first metal contact and the second metal contact being inductively paired.

10. The hand-held unsaturated resin dispensing gun of claim 9, further comprising a controller in data communication with the first switch button and the second switch button, the controller further in data communication with the solenoid valve, the feed pump, the purge pump, and the metal contact.

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