Injection molding machine nozzle plugging tool

Abstract

The utility model discloses a nozzle plugging tool for an injection molding machine, which belongs to the technical field of injection molding machines and comprises a base, an ejector rod, a cylinder seat, a cylinder and a plug, the cylinder comprises a cylinder barrel and a piston rod movably connected with the cylinder barrel, the plug is detachably connected with the piston rod, and a first groove corresponding to a nozzle is arranged at the top end of the plug. According to the utility model, the nozzle of the injection molding machine can be blocked by the plug under the pushing action of the air cylinder, so that the injection molding machine does not leak molten glue under the condition of backpressure, and the injection molding yield is effectively improved; the base is detachably connected with the ejector rod, different bases can be conveniently replaced according to different molds, the plug is detachably connected with the piston rod in a threaded connection mode, different plugs can be conveniently replaced according to different injection molding machine nozzles, the position of the plug can be finely adjusted in a threaded mode, and the plug can better abut against the injection molding machine nozzles. And when the base is supported on the die, the base and the second connecting bolt are prevented from forming pressure on the material receiving nozzle of the die, and the material receiving nozzle on the die is protected.

Description

TECHNICAL FIELD

[0001] The utility model belongs to injection molding machine technical field, concretely relates to a kind of injection molding machine nozzle plugging tool. BACKGROUND

[0002] Injection molding machine is important equipment for engineering plastic pump parts production, and the production process is mainly to inject high-pressure molten plastic raw materials into the mold, then cool and form, to obtain the required parts, which is a kind of efficient energy-saving production equipment. In actual production process, the remaining material in the screw barrel needs to be cleaned before work every day, and the machine is started after work the next day. The glue melting screw can be started to melt and store material at the specified temperature. Since the nozzle is open at the beginning of glue melting, the material can only be stored at zero back pressure during glue melting, and the molten raw material will overflow from the nozzle hole. At this time, the glue melting screw can only be pulled back manually to leave space for glue storage before melting again. It often needs to be operated several times to store the raw material. After such operation, the stored raw material may contain bubbles, welding lines and many other unexpected defects, resulting in a high probability of waste products for the first few molds every day. In addition, the high-temperature material overflowed may accidentally scald the worker, which has safety hazards. CONTENT OF THE UTILITY MODEL

[0003] The technical problem solved by the utility model is to provide an injection molding machine nozzle plugging tool to enable the injection molding machine to melt glue without leakage.

[0004] Technical scheme: in order to solve the above technical problems, the utility model adopts the following technical scheme:

[0005] An injection molding machine nozzle plugging tool, comprising a base, a top rod connected to the base, a cylinder seat connected to the top rod, a cylinder connected to the cylinder seat, and a plug connected to the cylinder, the cylinder comprises a cylinder barrel and a piston rod movably connected to the cylinder barrel, the plug is detachably connected to the piston rod, and the top end of the plug is provided with a first groove corresponding to the nozzle.

[0006] Further, a first threaded hole is provided on the piston rod, and a first threaded hole is provided on the plug corresponding to the first threaded hole.

[0007] Further, a second threaded hole is provided on the top rod, and a through hole is provided on the base corresponding to the second threaded hole for the second connecting bolt to pass through, and the top rod is detachably connected to the base by the second connecting bolt.

[0008] Further, a second groove is provided on the lower end surface of the base.

[0009] Further, the second groove is a circular groove.

[0010] Further, when the second connecting bolt is connected with the ejector rod, the head of the second connecting bolt is flush with the top wall of the second groove.

[0011] Further, the base is a circular truncated cone.

[0012] Further, the first groove is a circular truncated cone groove.

[0013] Beneficial effects: compared with the prior art, the utility model has the following advantages:

[0014] 1. By setting up the base, the ejector rod, the cylinder seat, the cylinder and the plug, the injection molding machine nozzle can be blocked under the pushing action of the plug, so that the injection molding machine has no leakage under the condition of back pressure, the obtained colloid is the same as the molten glue effect during normal production, the injection molding yield is effectively improved, and the device is suitable for the occasion of no back pressure molten glue storage when the injection molding machine is started and the screw barrel has no storage material;

[0015] 2. The base and the ejector rod are detachably connected, different bases can be replaced according to different molds, the plug and the piston rod are detachably connected through the threaded connection mode, different plugs can be replaced according to different injection molding machine nozzles, and the position of the plug can be finely adjusted through the threaded mode, so that the plug is better abutted on the injection molding machine nozzle and the injection molding machine nozzle is blocked.

[0016] 3. The base bottom is provided with a second groove, and the second connecting bolt forms a countersunk bolt in the second groove, so that when the base is supported on the mold, the base and the second connecting bolt do not form pressure on the material receiving nozzle of the mold, and the material receiving nozzle of the mold is protected. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a three-dimensional structure schematic diagram of the embodiment of the utility model;

[0018] Figure 2 is a bottom view of the base in the embodiment;

[0019] Figure 3 is a structure schematic diagram of the embodiment;

[0020] Figure 4 is a plug and piston rod connection structure schematic diagram;

[0021] Figure 5 is a state diagram of the existing injection molding machine molten glue storage;

[0022] Figure 6 is a state diagram of the injection molding machine molten glue storage after adopting the plugging tool of the embodiment. DETAILED DESCRIPTION

[0023] The utility model is further illustrated below in combination with specific embodiments, which are implemented on the premise of the technical scheme of the utility model and should be understood as merely illustrative of the utility model rather than limiting the scope of the utility model.

[0024] As shown in Figure 1 , Figure 2 and Figure 3 , the injection molding machine nozzle plugging tool of the utility model, an injection molding machine nozzle plugging tool, including base 1, ejector rod 2, cylinder seat 3, cylinder 4 and plug 5, base 1 is circular table shape, ejector rod 2 is cylindrical rod, the lower end surface of base 1 is equipped with second groove 11, second groove 11 is circular slot, the lower end of ejector rod 2 is equipped with second threaded hole in the middle position, the upper end of base 1 is equipped with through hole in the middle position, the through hole is corresponding with the position of second threaded hole, the through hole is communicated with the second groove 11 below, second connecting bolt 61 is through the through hole and penetrates base 1, second connecting bolt 61 is corresponding with second threaded hole, so that base 1 is detachably connected with the lower end of ejector rod 2 through second connecting bolt 61, the through hole is counter-sunk hole, when second connecting bolt 61 is connected with ejector rod 2, the lower end of the head of second connecting bolt 61 is flush with the inner top wall of second groove 11.

[0025] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , cylinder seat 3 is rectangular plate, cylinder seat 3 is connected with the top end of ejector rod 2, the connection mode can be fixed connection such as welding, or detachable connection, for example, detachable connection by bolt connection mode. Cylinder 4 adopts existing cylinder, for example, Yadke SDA series ultra-thin cylinder, cylinder 4 includes cylinder barrel 41 and piston rod 42, piston rod 42 is movably connected with cylinder barrel 41, cylinder barrel 41 is detachably connected with cylinder seat 3 through four third connecting bolts 62, cylinder barrel 41 is connected with external gas source through air pipe, when cylinder 4 works, piston rod 42 is elongated upwards.

[0026] As shown in Figure 1 and Figure 4 , plug 5 is connected with the top end of piston rod 42, the top end of piston rod 42 is equipped with first threaded hole 421, plug 5 is equipped with first stud 52 on the lower end, first stud 52 is corresponding with first threaded hole 421, so that plug 5 is detachably connected with piston rod 42 through first stud 52 and first threaded hole 421. Plug 5 is equipped with first groove 51 on the top end, first groove 51 is inverted circular table shape slot, the shape of first groove 51 corresponds with injection molding machine nozzle, first groove 51 is used for surrounding the tip of nozzle, so that injection molding machine nozzle can be plugged.

[0027] As shown in Figure 5As shown, the existing mold 8 and injection molding machine 9, the mold 8 has a cavity, the mold 8 is provided with glue injection port 81, injection molding machine 9 melt plastic raw materials through the glue injection port 81 high pressure injection into the mold, and then cooling forming, get the required parts. Injection molding machine 9 includes hopper 91, barrel 92, glue screw 93, glue motor 94, injection cylinder 95, heater 96 and nozzle 97, barrel 92 is hollow, hopper 91 and barrel 92 communicate, for putting plastic raw materials, glue screw 93 is arranged in the barrel 92, the outer side of the glue screw 93 is provided with a spiral piece, the glue motor 94 is connected with the glue screw 93 for driving the glue screw 93 to rotate, thereby constantly pushing the liquid plastic in the barrel 92, the glue motor 94 is connected on the external support, the injection cylinder 95 is also arranged on the external support and the piston of the injection cylinder 95 is connected with the barrel 92, the injection cylinder 95 drives the barrel 92 to move as a whole to the mold 8 direction when working, the heater 96 is arranged in the barrel 92 for heating the plastic raw materials in the barrel 92, the nozzle 97 is arranged at one end of the barrel 92 and communicates with the internal space of the barrel 92, the plastic liquid pushed by the glue screw 93 is sprayed at the nozzle 97. Because the nozzle is open at the beginning of the glue, the glue can only be stored at zero back pressure when the glue is melted, and the melted raw material will overflow from the nozzle 97 hole to form a glue strip 98.

[0028] As shown in the figure, Figure 6 In use, the tool is placed horizontally, the base 1 is placed at the glue injection port 81 of the mold 8, the second groove 11 can avoid the material receiving nozzle of the glue injection port 81 to prevent the base 1 from being damaged when pressed, the plug 5 is close to the nozzle 97, the cylinder 4 is connected to the external gas source, the piston rod 42 moves to the direction of the nozzle 97, until the first groove 51 surrounds the tip of the nozzle 97, because the plug 5 is threadedly connected with the piston rod 42, rotating the plug 5 makes the plug 5 move slightly to the nozzle 97, so that the plug 5 abuts against the nozzle 97 to close the hole of the nozzle 97, the whole tool abuts between the mold 8 and the injection molding machine 9, and manual holding is no longer needed, the injection molding machine 9 starts to melt and store the glue, and the nozzle 97 will not overflow the glue.

[0029] The above only describes the preferred embodiments of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, which should also be considered as the protection scope of the present application.

Claims

1. A nozzle blanking tool for an injection molding machine, characterized by, The utility model relates to a kind of air cylinder, including base (1), with the top rod (2) being connected with the base (1), with the cylinder seat (3) being connected with the top rod (2), with the cylinder (4) being connected with the cylinder seat (3) and with the plug (5) being connected with the cylinder (4), the cylinder (4) includes cylinder barrel (41) and piston rod (42) with the cylinder barrel (41) active connection, the plug (5) is detachably connected with the piston rod (42), the plug (5) top end is equipped with the first recess (51) corresponding with nozzle.

2. The injection molding machine nozzle blanking tool of claim 1, wherein, First threaded hole (421) is equipped on the piston rod (42), and first stud (52) corresponding with the first threaded hole (421) is equipped on the plug (5).

3. The injection molding machine nozzle blanking tool of claim 2, wherein, Second threaded hole is equipped on the top rod (2), and through hole for second connecting bolt (61) is equipped on the base (1) with the second threaded hole corresponding position, and the top rod (2) is detachably connected with the base (1) by second connecting bolt (61).

4. The injection molding machine nozzle blanking tool of claim 3, wherein, Second recess (11) is equipped on the lower end surface of the base (1).

5. The injection molding machine nozzle blanking tool of claim 4, wherein, The second recess (11) is circular groove.

6. The injection molding machine nozzle blanking tool of claim 5, wherein, When the second connecting bolt (61) is connected with the top rod (2), the head of the second connecting bolt (61) is flush with the top wall of the second recess (11).

7. The injection molding machine nozzle blanking tool of claim 1, wherein, The base (1) is circular truncated cone.

8. The injection molding machine nozzle blanking tool of claim 1, wherein, The first recess (51) is inverted circular truncated cone groove.

Images