阅读说明：本技术 一种利用压缩空气清理的注塑模具用注塑嘴 (Injection molding nozzle for injection mold cleaned by compressed air ) 是由 庄原野 于 2019-10-18 设计创作，主要内容包括：一种利用压缩空气清理的注塑模具用注塑嘴,涉及取注塑模具技术领域,包括注塑管,所述注塑管的右侧固定连诶呦注塑嘴。该利用压缩空气清理的注塑模具用注塑嘴,通过气囊与出气口的配合使用,当活塞块移动至最左侧时,推杆继续向左侧移动,带动连接杆以及挤压块继续向左侧移动,挤压杆会挤压气囊是气囊内部的空气被压缩,并通过气阀排出,而此时排气口刚好移动至排气槽位置,气囊内的气体通过进气口进入活动块中,并且出气口的直径小于进气口的直径,空气进一步被出气口压缩并最终排出活动块的左侧,压缩的空气将注塑嘴上的残留原料冲走,从而达到了利用压缩空气清理的效果,有效防止原料残留在注塑嘴中,提高了生产效率。(The utility model provides an utilize injection mold of compressed air clearance with mouth of moulding plastics, relates to and gets injection mold technical field, including the pipe of moulding plastics, the right side of the pipe of moulding plastics is fixed on you mouth of moulding plastics. This injection mold who utilizes compressed air to clear up mouth of moulding plastics, cooperation through gasbag and gas outlet is used, when the piston piece removes to the leftmost side, the push rod continues to remove to the left side, drive connecting rod and stripper block continue to remove to the left side, the stripper rod can extrude the gasbag is that the inside air of gasbag is compressed, and discharge through the pneumatic valve, and the gas vent just removes to the air discharge duct position this moment, gas in the gasbag passes through in the air inlet gets into the movable block, and the diameter of gas outlet is less than the diameter of air inlet, the air is further compressed and the left side of final discharge movable block by the gas outlet, the residual raw materials that compressed air will mould plastics on the mouth are washed away, thereby reached the effect of utilizing compressed air to clear up, effectively prevent that the raw materials from remaining in the mouth of moulding plastics, and the production efficiency is.)

1. The utility model provides an utilize injection mold of compressed air clearance to use mouth of moulding plastics, includes injection molding pipe (1), its characterized in that: the right side of the injection molding pipe (1) is fixedly connected with an injection molding nozzle (2), the middle part of the injection molding pipe (1) is movably connected with a piston block (3), the middle part of the piston block (3) is fixedly connected with an air bag (4), the inner top of the air bag (4) is fixedly connected with an air valve (5) fixedly connected with the middle part of the piston block (3), the inner top wall of the piston block (3) is provided with an air exhaust groove (6) matched with the air valve (5), the middle part of the piston block (3) is movably connected with a movable block (7), the top of the movable block (7) is provided with an air inlet (8), the left side of the movable block (7) is provided with an air outlet (9) communicated with the left side of the bottom of the air inlet (8), the right side of the movable block (7) is fixedly connected with a connecting rod (10), the right side of the connecting rod (10) is fixedly connected with a push block (11), the left side of the, the right side of the push block (11) is fixedly connected with a push rod (13).

2. The injection nozzle for an injection mold purged by using compressed air according to claim 1, wherein: the shape of moulding plastics pipe (1) is cylindric and the top fixedly connected with feed arrangement of pipe (1) moulds plastics, the shape of mouth (2) of moulding plastics is cylindric and the internal diameter of moulding plastics mouth (2) is the same with the external diameter of movable block (7).

3. The injection nozzle for an injection mold purged by using compressed air according to claim 1, wherein: the outer diameter of the piston block (3) is equal to the inner diameter of the injection molding pipe (1), the piston block (3) is cylindrical, and a rubber piston is fixedly connected to the left side of the piston block (3).

4. The injection nozzle for an injection mold purged by using compressed air according to claim 1, wherein: the air bag (4) is a recoverable air bag, and the middle part of the piston block (3) is provided with a mounting groove matched with the air bag (4).

5. The injection nozzle for an injection mold purged by using compressed air according to claim 1, wherein: the length of the exhaust groove (6) is larger than the diameter of the air inlet (8), and the exhaust groove (6) is positioned on the left side of the air inlet (8) in an initial state.

6. The injection nozzle for an injection mold purged by using compressed air according to claim 1, wherein: the size of the movable block (7) is the same as the size of the inner wall of the injection molding nozzle (2), and the movable block (7) is made of hard material.

7. The injection nozzle for an injection mold purged by using compressed air according to claim 1, wherein: the diameter of air inlet (8) is greater than the diameter of gas outlet (9) and the shape of air inlet (8) is cylindric, the quantity of gas outlet (9) is eight and gas outlet (9) is 30 degrees with the contained angle of water flat line.

8. The injection nozzle for an injection mold purged by using compressed air according to claim 1, wherein: the diameter of the push block (11) is larger than the outer diameter of the extrusion block (12), the push block (11) is made of steel materials, the right side of the push rod (13) is fixedly connected with a pneumatic device, and the length of the push rod (13) is larger than that of the injection molding pipe (1).

Technical Field

The invention relates to the technical field of injection molds, in particular to an injection nozzle for an injection mold, which is cleaned by compressed air.

Background

Injection mold need pour into the mould with the raw materials into through the injection molding machine in process of production, makes the raw materials under the extrusion of injection molding machine, extrudes into the mould, and the raw materials of being convenient for is shaping under the effect of mould to it can be more closely knit to use the injection molding machine to add the raw materials, reduces the existence of bubble.

However, when the current injection molding machine is used, an injection nozzle of the injection molding machine can be inserted into a mold, and a piston block can extrude raw materials into the mold through the injection nozzle, but after extrusion is completed every time, the raw materials always remain in the injection nozzle and are difficult to remove, the injection nozzle is easily plugged after the raw materials are cooled, the next use is not convenient, the cleaning is needed, the production process is increased, and the production efficiency is reduced.

Therefore, the injection molding nozzle for the injection mold, which is cleaned by utilizing compressed air, is provided to solve the problems, residual raw materials in the injection molding nozzle are completely discharged through the movable block and the air outlet, the injection molding nozzle is effectively prevented from being blocked, and the production efficiency is improved.

Disclosure of Invention

The invention adopts the following technical scheme for realizing the technical purpose: the utility model provides an injection mold who utilizes compressed air to clear up is with mouth of moulding plastics, including the pipe of moulding plastics, the right side fixed connection you of pipe of moulding plastics mouth of moulding plastics, the middle part swing joint of pipe of moulding plastics has the piston piece, the middle part fixedly connected with gasbag of piston piece, the interior top fixedly connected with of gasbag and the middle part fixedly connected with's of piston piece pneumatic valve, the air discharge duct with pneumatic valve looks adaptation is seted up to the interior roof of piston piece, the middle part swing joint of piston piece has the movable block, the air inlet has been seted up at the top of movable block, the gas outlet with the bottom left side UNICOM of air inlet is seted up in the left side of movable block, the right side fixedly connected with connecting rod of movable block, the right side fixedly connected with ejector pad of connecting rod, the left side fixedly connected with of ejector pad and the right side.

The invention has the following beneficial effects:

1. this injection mold who utilizes compressed air to clear up mouth of moulding plastics, cooperation through gasbag and gas outlet is used, when the piston piece removes to the leftmost side, the push rod continues to remove to the left side, drive connecting rod and stripper block continue to remove to the left side, the stripper rod can extrude the gasbag is that the inside air of gasbag is compressed, and discharge through the pneumatic valve, and the gas vent just removes to the air discharge duct position this moment, gas in the gasbag passes through in the air inlet gets into the movable block, and the diameter of gas outlet is less than the diameter of air inlet, the air is further compressed and the left side of final discharge movable block by the gas outlet, the residual raw materials that compressed air will mould plastics on the mouth are washed away, thereby reached the effect of utilizing compressed air to clear up, effectively prevent that the raw materials from remaining in the mouth of moulding plastics, and the production efficiency is.

2. This injection mold who utilizes compressed air to clear up is with mouth of moulding plastics, cooperation through gasbag and gas outlet is used, the clearance has been moulded plastics the mouth and has been remained after the raw materials, the push rod moves to the right, drive movable block and extrusion piece and move right together, the gasbag is no longer extruded, and because air inlet and air discharge duct intercommunication, the gasbag is when recovering, can be through air inlet and air discharge duct with the air suction gasbag in, be convenient for use next time, thereby reached repeatedly usable's effect, and the production cost is saved.

Further, the shape of the injection molding pipe is a cylindrical shape, and the top of the injection molding pipe is fixedly connected with a feeding device, and the shape of the injection molding nozzle is a cylindrical shape, and the inner diameter of the injection molding nozzle is the same as the outer diameter of the movable block.

Further, the external diameter of piston piece equals the internal diameter of the pipe of moulding plastics and the shape of piston piece is cylindric, and the left side fixedly connected with rubber piston of piston piece, the mounting groove with gasbag looks adaptation is seted up for the middle part of recoverable gasbag and piston piece to the gasbag.

Further, the length of exhaust duct is greater than the diameter of air inlet and the exhaust duct initial state under be located the left side of air inlet, the size of movable block is the same with the inner wall size of the mouth of moulding plastics and the material of movable block is hard material.

Further, the diameter of air inlet is greater than the diameter of gas outlet and the shape of air inlet is cylindric, the quantity of gas outlet is eight and the gas outlet is 30 degrees with the contained angle of water flat line.

Furthermore, the diameter of the push block is larger than the outer diameter of the extrusion block, the push block is made of steel materials, the right side of the push rod is fixedly connected with the pneumatic device, and the length of the push rod is larger than that of the injection molding pipe.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of an extended structure of the movable block of the present invention;

FIG. 3 is a partially enlarged view of portion A of FIG. 1 according to the present invention;

FIG. 4 is a partially enlarged view of the portion B shown in FIG. 2 according to the present invention;

FIG. 5 is a schematic view of the structure of the air outlet of the present invention.

In the figure: 1 injection molding pipe, 2 injection molding nozzles, 3 piston blocks, 4 air bags, 5 air valves, 6 exhaust grooves, 7 movable blocks, 8 air inlets, 9 air outlets, 10 connecting rods, 11 push blocks, 12 extrusion blocks and 13 push rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments 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.

Referring to fig. 1-5, an injection nozzle for an injection mold cleaned by compressed air includes an injection pipe 1, the injection pipe 1 plays a role of storing and conveying raw materials, the injection pipe 1 is cylindrical, a feeding device is fixedly connected to the top of the injection pipe 1, the injection nozzle 2 is cylindrical, the inner diameter of the injection nozzle 2 is the same as the outer diameter of a movable block 7, the right side of the injection pipe 1 is fixedly connected to the injection nozzle 2, the injection nozzle 2 plays a role of conveying raw materials, a piston block 3 is movably connected to the middle of the injection pipe 1, the piston block 3 plays a role of conveying raw materials, the outer diameter of the piston block 3 is equal to the inner diameter of the injection pipe 1, the piston block 3 is cylindrical, a rubber piston is fixedly connected to the left side of the piston block 3, an airbag 4 is a recoverable airbag, a mounting groove matched with the airbag 4 is formed in the middle of the piston block 3, an airbag 4 is fixedly connected to the middle of the piston block 3, the air bag 4 plays a role in compressing air, the air valve 5 fixedly connected with the middle part of the piston block 3 is fixedly connected with the inner top of the air bag 4, and the air valve 5 plays a role in compressing air.

The air discharge duct 6 with pneumatic valve 5 looks adaptation is seted up to the interior roof of piston block 3, air discharge duct 6 plays the effect of the air transmission of being convenient for, the length of air discharge duct 6 is greater than the diameter of air inlet 8 and is located the left side of air inlet 8 under the 6 initial condition of air discharge duct, the size of movable block 7 is the same with the inner wall size of the mouth 2 of moulding plastics and the material of movable block 7 is hard material, the middle part swing joint of piston block 3 has movable block 7, movable block 7 plays the effect of the incomplete raw materials of clearance, air inlet 8 has been seted up at the top of movable block 7, air inlet 8 plays the effect of the air transmission of being convenient for, the diameter of air inlet 8 is greater than the diameter of gas outlet 9 and the shape of air inlet 8 is cylindric, the quantity of gas outlet 9 is eight and gas outlet 9 is 30 degrees with horizontal line's contained angle, the gas outlet 9 of bottom left side UNICOM with air inlet 8 is seted.

Right side fixedly connected with connecting rod 10 of movable block 7, the right side fixedly connected with ejector pad 11 of connecting rod 10, ejector pad 11 qi reaches driven effect, the diameter of ejector pad 11 is greater than the external diameter of extrusion piece 12 and the material of ejector pad 11 is the steel material, the right side of push rod 13 is greater than the length of moulding plastics pipe 1 with pneumatic means fixed connection and push rod 13, the left side fixedly connected with of ejector pad 11 and piston block 3's right side swing joint's extrusion piece 12, extrusion piece 12 plays the effect of extrusion gasbag 4, with the air compression in the gasbag 4, the right side fixedly connected with push rod 13 of ejector pad 11, push rod 13 plays driven effect.

The working principle is as follows: when the raw material is extruded, the piston block 3 moves to the leftmost side, the push rod 13 continues to move to the left side, the connecting rod 10 and the extrusion block 12 continue to move to the left side, the extrusion rod 12 can extrude the air bag 4, the air in the air bag is compressed and is discharged through the air valve 5, at the moment, the exhaust port just moves to the position of the exhaust groove 6, the air in the air bag 4 enters the movable block 7 through the air inlet 8, and because the diameter of the air outlet 9 is smaller than that of the air inlet 8, the air is further compressed by the air outlet 9 and finally discharged out of the left side of the movable block 7, the compressed air washes away the residual raw material on the injection nozzle 2, after the residual raw material on the injection nozzle 2 is cleaned, the push rod 13 moves to the right, the movable block 7 and the extrusion block 12 are driven to move together to the right, the air bag 4 is not extruded any more, and because the air inlet 8, air can be sucked into the air bag 4 through the air inlet 8 and the air discharge groove 6 for the next use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.