CN213108033U

CN213108033U - Injection gun for hot melt injection molding machine

Info

Publication number: CN213108033U
Application number: CN202021874513.2U
Authority: CN
Inventors: 经小平
Original assignee: Wuxi Better Plastics Electric Appliance Co ltd
Current assignee: Wuxi Better Plastics Electric Appliance Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-05-04
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses an injection gun for hot melt injection molding machine, including the stock, the slider is installed to the bilateral symmetry of stock, slider sliding connection is on the slide rail, and connects through the locating rack between the tail end of two slide rails, install the first telescopic cylinder who is connected with the stock on the locating rack, the bottom both sides of slide rail are fixed on the base through the second telescopic cylinder, distance sensor is installed at the top of base, the internally mounted of stock has ejection of compact barrel, tail end one side of ejection of compact barrel is connected with the material loading pipe, the tail end opposite side and the washing subassembly of ejection of compact barrel are connected, the control panel is installed through the wire to one side of base, the internally mounted of control panel has the PLC controller. The utility model discloses novel structure thinks about ingeniously, not only can freely adjust according to the height in different injection mold's the hole of moulding plastics to satisfy different service environment, the motion stability is good moreover.

Description

Injection gun for hot melt injection molding machine

Technical Field

The utility model relates to an injection molding machine technical field specifically is an injection gun for hot melt injection molding machine.

Background

An injection molding machine is also known as an injection molding machine or an injection machine. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould. The device is divided into a vertical type, a horizontal type and a full-electric type. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity.

The injection gun of the existing injection molding machine has the advantages that the gun head can only move left and right to be conveniently inserted into an injection mold, but when the injection mold with different sizes is required to be subjected to injection molding, the position of the gun head needs to be manually adjusted, the use is very inconvenient, and the injection molding efficiency is influenced. Therefore, it is necessary to design an injection gun for a hot melt injection molding machine.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides an injection gun for hot melt injection molding machine, this injection gun, novel structure thinks about ingeniously, not only can freely adjust according to the height in different injection mold's the hole of moulding plastics to satisfy different service environment, the motion stability is good moreover.

In order to achieve the above object, the utility model provides a following technical scheme: an injection gun for a hot melt injection molding machine comprises a gun seat, wherein slide blocks are symmetrically arranged on two sides of the gun seat, the slide blocks are connected on slide rails in a sliding manner, the tail ends of the two slide rails are connected through a positioning frame, a first telescopic cylinder connected with the gun seat is arranged on the positioning frame, two sides of the bottom of each slide rail are fixed on a base through a second telescopic cylinder, a distance sensor is arranged at the top of the base, a discharging gun barrel is arranged in the gun seat, a feeding pipe is connected to one side of the tail end of the discharging gun barrel, the other side of the tail end of the discharging gun barrel is connected with a cleaning assembly, a control panel is arranged on one side of the base through a lead, a PLC controller is arranged in the control panel, the control panel is electrically connected with the second telescopic cylinder, the first telescopic cylinder and the cleaning assembly, and the distance sensor, the output end of the PLC controller is electrically connected with the second telescopic cylinder and the first telescopic cylinder.

Preferably, the tail end that the inside of stock is close to ejection of compact barrel is provided with the baffle, the winding of one side that is located the baffle on the ejection of compact barrel has the heating wire.

Preferably, the inside of ejection of compact barrel is fixed with temperature sensor, temperature sensor electric connection PLC controller's input, PLC controller's output electric connection heating wire.

Preferably, the outer side of the electric heating wire is positioned in the gun seat and is filled with a heat-preservation and heat-insulation filling layer.

Preferably, the cleaning assembly comprises a first electromagnetic valve, a second electromagnetic valve, an air inlet pipe, a high-pressure air pump and a connecting hose, the air inlet pipe is fixed to the other side of the tail end of the discharging gun barrel, the second electromagnetic valve is installed on the air inlet pipe, the air inlet pipe is connected with the high-pressure air pump on the sliding rail through the connecting hose, and the first electromagnetic valve is fixed to the feeding pipe.

The utility model has the advantages that:

1. the gun seat is driven to move left and right through the arranged first telescopic air cylinder, so that the discharging gun barrel can be inserted into an injection mold, the slide rail is driven to move up and down through the arranged second telescopic air cylinder, so that the gun seat is driven to move up and down, the distance between the base and the slide rail is conveniently and accurately monitored, the distance can be freely adjusted according to the heights of injection molding holes of different injection molds, different use environments are met, and the movement stability is good;

2. the arranged heating wire is wound on the discharging gun barrel, so that the situation that the injection molding material in the discharging gun barrel is cooled and solidified in the discharging gun barrel to cause the discharging gun barrel to be incapable of being used is prevented, and the temperature of the injection molding material is prevented from being reduced and cannot reach the injection molding temperature by monitoring the temperature through the temperature sensor, so that the quality of an injection molding product is influenced;

3. after the injection gun is used and is accomplished, make first solenoid valve close through controlling the control panel, make the second solenoid valve open simultaneously, high compression pump work makes high-pressure gas enter into the inside of ejection of compact barrel through coupling hose and intake pipe, blows off the inside clout of ejection of compact barrel completely, prevents that the clout from condensing in the inside of ejection of compact barrel, influences the normal use of ejection of compact barrel.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall plane structure of the present invention;

fig. 2 is a schematic view of a cross-sectional plane structure of the gun base of the present invention;

FIG. 3 is a schematic view of the cleaning assembly of the present invention;

FIG. 4 is a schematic view of a sectional plane structure of the control panel of the present invention;

reference numbers in the figures: 1. a base; 2. a control panel; 3. a second telescopic cylinder; 4. a first telescopic cylinder; 5. a positioning frame; 6. cleaning the assembly; 7. a slide rail; 8. feeding pipes; 9. a gun seat; 10. a slider; 11. a discharge barrel; 12. a distance sensor; 13. a first solenoid valve; 14. a second solenoid valve; 15. an air inlet pipe; 16. a partition plate; 17. a heat preservation and insulation packing layer; 18. an electric heating wire; 19. a temperature sensor; 20. a high pressure air pump; 21. a connecting hose; 22. a PLC controller.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-4.

Given by fig. 1-4, the utility model provides the following technical scheme: an injection gun for a hot melt injection molding machine comprises a gun seat 9, sliding blocks 10 are symmetrically arranged on two sides of the gun seat 9, the sliding blocks 10 are connected on sliding rails 7 in a sliding mode, tail ends of the two sliding rails 7 are connected through a positioning frame 5, a first telescopic cylinder 4 connected with the gun seat 9 is arranged on the positioning frame 5, two sides of the bottom of each sliding rail 7 are fixed on a base 1 through a second telescopic cylinder 3, a distance sensor 12 is arranged at the top of the base 1, a discharging gun barrel 11 is arranged inside the gun seat 9, a feeding pipe 8 is connected to one side of the tail end of the discharging gun barrel 11, the other side of the tail end of the discharging gun barrel 11 is connected with a cleaning assembly 6, a control panel 2 is arranged on one side of the base 1 through a lead, a PLC (programmable logic controller) 22 is arranged inside the control panel 2, the control panel 2 is electrically connected with the second telescopic cylinder 3, the first telescopic, output electric connection second telescopic cylinder 3 and first telescopic cylinder 4 of PLC controller 22, through the first telescopic cylinder 4 that sets up, it removes about driving gun seat 9, make ejection of compact barrel 11 can insert injection mold, through the second telescopic cylinder 3 that sets up, drive slide rail 7 up-and-down motion, thereby drive gun seat 9 up-and-down motion, and the distance sensor 12 that the cooperation set up, be convenient for the distance between accurate control base 1 and the slide rail 7, not only can freely adjust according to the height in different injection mold's the hole of moulding plastics, in order to satisfy different service environment, and the motion stability is good.

The tail end that the inside of gun block 9 is close to ejection of compact barrel 11 is provided with baffle 16, the winding of one side that lies in baffle 16 on ejection of compact barrel 11 has

heating wire

18, 18 winding on ejection of compact barrel 11 through the heating wire that sets up, not only can prevent the cooling of the inside injection molding material of ejection of compact barrel 11, solidify the inside at ejection of compact barrel 11, cause ejection of compact barrel 11 unable to use, and carry out temperature monitoring through temperature sensor 19, can prevent that the injection molding material temperature from reducing, can't reach the temperature of moulding plastics, influence the injection moulding product quality.

A temperature sensor 19 is fixed inside the discharging gun tube 11, the temperature sensor 19 is electrically connected with the input end of a PLC (programmable logic controller) 22, and the output end of the PLC 22 is electrically connected with the electric heating wire 18.

The outside of the electric heating wire 18 is located inside the gun seat 9 and is filled with a heat preservation and insulation packing layer 17, and the heat preservation and insulation packing layer 17 can play a role in heat preservation and insulation.

Cleaning assembly 6 includes first solenoid valve 13, second solenoid valve 14, intake pipe 15, high compression pump 20 and coupling hose 21, intake pipe 15 is fixed at the tail end opposite side of ejection of compact barrel 11, install second solenoid valve 14 on the intake pipe 15, intake pipe 15 passes through coupling hose 21 and is connected with high compression pump 20 on the slide rail 7, first solenoid valve 13 is fixed on material loading pipe 8, after the injection gun uses the completion, make first solenoid valve 13 close through controlling control panel 2, make second solenoid valve 14 open simultaneously, high compression pump 20 works, make high-pressure gas pass through coupling hose 21 and intake pipe 15 and enter into the inside of ejection of compact barrel 11, blow off the inside clout of ejection of compact barrel 11 completely, prevent the clout from condensing in the inside of ejection of compact barrel 11, influence the normal use of ejection of compact barrel 11.

The utility model discloses during the use, through the first telescopic cylinder 4 that sets up, drive the stack 9 and move about, make ejection of compact barrel 11 can insert injection mold, through the second telescopic cylinder 3 that sets up, drive slide rail 7 up-and-down motion, thus drive stack 9 up-and-down motion, and cooperate the distance sensor 12 who sets up, the accurate distance between monitoring base 1 and the slide rail 7 of being convenient for, not only can freely adjust according to the height of the injection hole of different injection molds to satisfy different service environment, and the motion stability is good;

the arranged electric heating wire 18 is wound on the discharging gun barrel 11, so that the cooling of the injection molding material in the discharging gun barrel 11 and the solidification of the injection molding material in the discharging gun barrel 11 can be prevented, the discharging gun barrel 11 cannot be used, and the temperature monitoring is carried out through the temperature sensor 19, so that the temperature of the injection molding material can be prevented from being reduced, the injection molding temperature cannot be reached, and the quality of an injection molding product is prevented from being influenced;

after the injection gun uses the completion, make first solenoid valve 13 close through controlling control panel 2, make second solenoid valve 14 open simultaneously, high compression pump 20 work makes high-pressure gas enter into ejection of compact barrel 11's inside through coupling hose 21 and intake pipe 15, blows off the inside clout of ejection of compact barrel 11 completely, prevents that the clout from condensing in ejection of compact barrel 11's inside, influences ejection of compact barrel 11's normal use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An injection gun for hot melt injection molding machine, includes gun stock (9), its characterized in that: the automatic cleaning device is characterized in that sliding blocks (10) are symmetrically installed on two sides of the gun seat (9), the sliding blocks (10) are connected on the sliding rails (7) in a sliding mode, the tail ends of the two sliding rails (7) are connected through a positioning frame (5), a first telescopic cylinder (4) connected with the gun seat (9) is installed on the positioning frame (5), two sides of the bottom of each sliding rail (7) are fixed on the base (1) through a second telescopic cylinder (3), a distance sensor (12) is installed at the top of the base (1), a discharging barrel (11) is installed inside the gun seat (9), a feeding pipe (8) is connected to one side of the tail end of the discharging barrel (11), the other side of the tail end of the discharging barrel (11) is connected with a cleaning assembly (6), a control panel (2) is installed on one side of the base (1) through a wire, and a PLC (22) is installed inside the control panel, control panel (2) electric connection second telescopic cylinder (3), first telescopic cylinder (4) and washing subassembly (6), distance sensor (12) electric connection PLC controller (22)'s input, PLC controller (22)'s output electric connection second telescopic cylinder (3) and first telescopic cylinder (4).

2. The injection gun for a hot melt injection molding machine according to claim 1, wherein: the tail end of the interior of the gun seat (9) close to the discharging gun barrel (11) is provided with a partition plate (16), and one side of the discharging gun barrel (11) located on the partition plate (16) is wound with an electric heating wire (18).

3. The injection gun for a hot melt injection molding machine according to claim 2, wherein: the inside of ejection of compact barrel (11) is fixed with temperature sensor (19), temperature sensor (19) electric connection PLC controller (22)'s input, the output electric connection heating wire (18) of PLC controller (22).

4. The injection gun for a hot melt injection molding machine according to claim 2, wherein: the outer side of the electric heating wire (18) is positioned in the gun seat (9) and is filled with a heat-preservation and heat-insulation packing layer (17).

5. The injection gun for a hot melt injection molding machine according to claim 1, wherein: wash subassembly (6) and include first solenoid valve (13), second solenoid valve (14), intake pipe (15), high compression pump (20) and coupling hose (21), the tail end opposite side at ejection of compact gun pipe (11) is fixed in intake pipe (15), install second solenoid valve (14) on intake pipe (15), intake pipe (15) are connected with high compression pump (20) on slide rail (7) through coupling hose (21), first solenoid valve (13) are fixed on material loading pipe (8).