Nozzle with anti-blocking function for injection molding machine
By introducing a clogging and auxiliary component into the injection molding machine nozzle, and using a motor-driven heating rod and drill bit to remove solidified raw materials, the nozzle clogging problem was solved, achieving automated nozzle anti-clogging and improving the efficiency of injection molding production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-27
- Publication Date
- 2026-03-27
AI Technical Summary
Existing injection molding machine nozzles are prone to clogging after injection due to solidified raw materials, which slows down subsequent injection work and requires time-consuming and labor-intensive manual disassembly and cleaning.
An injection molding machine nozzle with a blockage-clearing component and auxiliary components was designed. The heating rod is pushed by a lead screw driven by a motor, and combined with a drill bit, it drills through the solidified raw material, heating it from the inside and outside to melt the injection molding material and prevent blockage.
It achieves automated nozzle anti-clogging, ensuring smooth injection molding operations, reducing manual intervention, and improving production efficiency.
Smart Images

Figure CN224044412U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to injection molding machine nozzle technical field especially, a kind of nozzle with anti-blocking function for injection molding machine. BACKGROUND
[0002] Injection molding machine, also known as injection molding machine or injection machine, as the core forming equipment in the field of plastic product production and manufacturing, it can process thermoplastic or thermosetting plastic into various shapes of plastic products by means of plastic forming mold. Injection molding machine is various, covering vertical, horizontal and all-electric. Its working principle is to heat the plastic first, then apply high pressure to the molten plastic, so that it is shot and fills the mold cavity.
[0003] Injection molding is widely used in plastic product production due to its high efficiency and high quality. However, the existing injection molding nozzle has obvious drawbacks. After injection molding is completed, some injection material will remain in the nozzle. As the temperature decreases, these materials are prone to solidification, which can block the nozzle and affect the normal development of subsequent injection molding work. Currently, the injection nozzle needs to be disassembled and cleaned or replaced by the staff, which is time-consuming and labor-intensive, and seriously slows down the progress of injection molding work. SUMMARY
[0004] In order to overcome the shortcomings of the prior art, the utility model provides a nozzle with anti-blocking function for injection molding machine.
[0005] The technical scheme is: a nozzle with anti-blocking function for injection molding machine, comprising a T-shaped pipe, a hollow threaded pipe and a conical nozzle, the T-shaped pipe is fixedly connected with the hollow threaded pipe at the bottom, the conical nozzle is fixedly connected with the T-shaped pipe at the upper front side, further comprising a clearing component and an auxiliary component, the T-shaped pipe is provided with the clearing component for inserting into the solidified injection material and heating and melting it, the auxiliary component is provided on the clearing component, and the auxiliary component is used to assist the clearing component to insert into the solidified injection material.
[0006] As a further preferred scheme, the clearing component comprises a fixed plate, a square shell, a guide rod, a lead screw, a mounting frame, a motor a, an electric heating rod and a T-shaped electric heating sleeve, the rear side of the inner wall of the upper part of the T-shaped pipe is fixedly connected with the fixed plate, the rear side of the upper part of the T-shaped pipe is fixedly connected with the square shell, the guide rod and the lead screw are rotatably connected between the rear side wall of the square shell and the fixed plate in a spaced manner, the mounting frame is slidably connected between the guide rod and the lead screw, the lead screw is threadedly connected with the mounting frame, the electric heating rod is fixedly connected with the front side of the mounting frame, the motor a is installed at the rear side of the square shell, the output shaft of the motor a is fixedly connected with the rear end of the lead screw, and the T-shaped electric heating sleeve is arranged on the outer wall of the T-shaped pipe.
[0007] As a further preferred, the auxiliary assembly comprises a rotating shaft, a motor b and a drill bit, the rotating shaft is arranged through the electric heating rod, the motor b is installed in the mounting frame, the rear end of the rotating shaft penetrates the mounting frame and is fixedly connected with the output shaft end of the motor b, and the front end of the rotating shaft is fixedly connected with the drill bit.
[0008] As a further preferred, the auxiliary assembly comprises a rotating shaft, a motor b and a drill bit, the rotating shaft is arranged through the electric heating rod, the motor b is installed in the mounting frame, the rear end of the rotating shaft penetrates the mounting frame and is fixedly connected with the output shaft end of the motor b, and the front end of the rotating shaft is fixedly connected with the drill bit.
[0009] As a further preferred, the auxiliary assembly comprises a rotating shaft, a motor b and a drill bit, the rotating shaft is arranged through the electric heating rod, the motor b is installed in the mounting frame, the rear end of the rotating shaft penetrates the mounting frame and is fixedly connected with the output shaft end of the motor b, and the front end of the rotating shaft is fixedly connected with the drill bit.
[0010] As a further preferred, the auxiliary assembly comprises a rotating shaft, a motor b and a drill bit, the rotating shaft is arranged through the electric heating rod, the motor b is installed in the mounting frame, the rear end of the rotating shaft penetrates the mounting frame and is fixedly connected with the output shaft end of the motor b, and the front end of the rotating shaft is fixedly connected with the drill bit.
[0011] The utility model has the advantages that: the utility model starts motor a and motor b, motor a pushes the electric heating rod forward through the screw rod, motor b drives the drill bit to rotate synchronously and drills the solidified injection material, the electric heating rod is convenient to insert, after the electric heating rod is in place, the T-shaped electric heating sleeve is started, the inside and outside heat the solidified injection material at the same time, melt it fast, avoid the nozzle from being blocked by the solidified injection material, and guarantee the smooth injection operation. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the three-dimensional structure schematic view of the utility model.
[0013] Figure 2 It is the three-dimensional structure sectional view of T-shaped pipe, hollow screw pipe and conical nozzle of the utility model.
[0014] Figure 3 It is the three-dimensional structure schematic view of the utility model guiding rod, screw rod and mounting frame.
[0015] Figure 4 It is the three-dimensional structure schematic view of the utility model rotating shaft, motor b and drill bit.
[0016] Figure 5 It is the establishment position schematic view of the utility model heat dissipation hole.
[0017] Mark number name in drawing: 1-T-shaped pipe, 2-hollow screw pipe, 21-conical nozzle, 31-fixed plate, 32-square shell, 33-guiding rod, 34-screw rod, 35-mounting frame, 36-motor a, 37-electric heating rod, 38-T-shaped electric heating sleeve, 41-rotating shaft, 42-motor b, 43-drill bit, 5-transparent plate, 6-heat dissipation hole. DETAILED DESCRIPTION
[0018] The technical solution will be further described below with reference to specific embodiments. It should be noted that the terms "up," "down," "left," and "right" used in this document refer only to the position of the structure shown in the corresponding drawings. The serial numbers assigned to components in this document, such as "first," "second," etc., are only used to distinguish the described objects and have no sequential or technical meaning. Unless otherwise specified, terms such as "connection" and "linkage" in this application include both direct and indirect connections (linkages).
[0019] Example: A nozzle for injection molding machines with anti-clogging function, such as... Figures 1-5 As shown, it includes a T-shaped tube 1, a hollow threaded tube 2, and a conical nozzle 21. The bottom of the T-shaped tube 1 is welded and fixed with the hollow threaded tube 2 for connection with the injection molding machine. The upper front side of the T-shaped tube 1 is welded and fixed with the conical nozzle 21. It also includes a blockage removal component and an auxiliary component. The T-shaped tube 1 is provided with a blockage removal component for inserting into the solidified injection molding material and heating and melting it. The blockage removal component is provided with an auxiliary component, which is used to assist the blockage removal component in inserting into the solidified injection molding material.
[0020] like Figure 2 and Figure 3 As shown, the unblocking assembly includes a fixing plate 31, a square housing, a guide rod 33, a lead screw 34, a mounting frame 35, a motor a36, a heating rod 37, and a T-shaped heating sleeve 38. The fixing plate 31 is welded and fixed to the rear side of the upper inner wall of the T-shaped tube 1. The square housing 32 is welded and fixed to the rear side of the upper part of the T-shaped tube 1. The guide rod 33 and the lead screw 34 are rotatably connected between the rear side wall of the square housing 32 and the fixing plate 31. The mounting frame 35 is slidably connected between the guide rod 33 and the lead screw 34. The lead screw 34 is threaded into the mounting frame 35. The guide rod 33 is used to guide the movement of the mounting frame 35. The heating rod 37 is welded and fixed to the front side of the mounting frame 35. The motor a36 is installed on the rear side of the square housing by screws. The output shaft of the motor a36 is fixedly connected to the rear end of the lead screw 34. A T-shaped heating sleeve 38 is provided on the outer wall of the T-shaped tube 1.
[0021] like Figure 3 and Figure 4 As shown, the auxiliary components include a rotating shaft 41, a motor b42, and a drill bit 43. The rotating shaft 41 is rotatably disposed through the heating rod 37. The motor b42 is installed in the mounting frame 35 by screws. The rear end of the rotating shaft 41 passes through the mounting frame 35 and is fixedly connected to the output shaft end of the motor b42. The drill bit 43 is welded and fixed to the front end of the rotating shaft 41.
[0022] When the injection nozzle is blocked, the staff starts the motor a36 and the motor b42, after the motor a36 is started, the lead screw 34 starts to rotate, under the guidance of the guide rod 33, the rotation of the lead screw 34 pushes the mounting frame 35 to move forward, in turn drives the electric heating rod 37 to move forward and inserts into the solidified injection material in the injection nozzle, in the process of the electric heating rod 37 moving forward, the motor b42 drives the rotating shaft 41 to start rotating, so that the drill bit 43 rotates, and the solidified injection material is drilled, so as to facilitate the smooth insertion of the electric heating rod 37, when the electric heating rod 37 is inserted to the position where the drill bit 43 is located at the conical nozzle 21, the staff starts the electric heating rod 37 and the T-shaped electric heating sleeve 38, the T-shaped electric heating sleeve 38 immediately heats the outer wall of the T-shaped pipe 1 and the conical nozzle 21, and the injection material attached to the inner wall of the two is melted, and the electric heating rod 37 starts to heat the injection material inside, in this way, the inside and outside of the solidified injection material are heated at the same time, which can quickly heat and melt the solidified injection material, so as to avoid the nozzle blockage effect.
[0023] As shown in Figure 1 , it also includes a transparent plate 5, and the square shell top is embeddedly and fixedly connected with the transparent plate 5.
[0024] By setting the transparent plate 5, the working state of the lead screw 34 and the mounting frame 35 can be observed by the staff, so as to understand the position of the electric heating rod 37.
[0025] As shown in Figure 5 , a plurality of heat dissipation holes 6 are arranged at the bottom of the square shell in a spaced manner, and the heat dissipation holes 6 are arranged to facilitate heat dissipation of the motor b42 in the working state.
[0026] The outer wall of the T-shaped electric heating sleeve 38 is sprayed with a heat preservation and insulation coating, and the heat preservation and insulation coating is arranged to reduce the heat loss of the T-shaped electric heating sleeve 38.
[0027] It should be understood that the above description is only for exemplary purposes and does not mean to limit the present application. Those skilled in the art will understand that the variations of the present application will be included in the scope of the claims herein.
Claims
1. A nozzle for an injection molding machine with anti-clogging function, comprising a T-shaped tube (1), a hollow threaded tube (2), and a conical nozzle (21), wherein the hollow threaded tube (2) is fixedly connected to the bottom of the T-shaped tube (1), and the conical nozzle (21) is fixedly connected to the upper front side of the T-shaped tube (1), characterized in that, The T-shaped pipe (1) is provided with a blockage cleaning assembly for inserting into and melting the solidified injection material, and the blockage cleaning assembly is provided with an auxiliary assembly for assisting the blockage cleaning assembly to insert into the solidified injection material.
2. The nozzle for an injection molding machine having a clogging prevention function according to claim 1, characterized by The blockage cleaning assembly comprises a fixed plate (31), a square shell, a guide rod (33), a lead screw (34), a mounting frame (35), a motor a (36), an electric heating rod (37) and a T-shaped electric heating sleeve (38), the rear side of the inner wall of the upper part of the T-shaped pipe (1) is fixedly connected with the fixed plate (31), the rear side of the upper part of the T-shaped pipe (1) is fixedly connected with the square shell (32), the guide rod (33) and the lead screw (34) are movably connected between the rear side wall of the square shell (32) and the fixed plate (31), the mounting frame (35) is movably connected between the guide rod (33) and the lead screw (34), the lead screw (34) is threadedly connected with the mounting frame (35), the front side of the mounting frame (35) is fixedly connected with the electric heating rod (37), the rear side of the square shell is provided with the motor a (36), the output shaft of the motor a (36) is fixedly connected with the rear end of the lead screw (34), and the outer wall of the T-shaped pipe (1) is provided with the T-shaped electric heating sleeve (38).
3. The nozzle for an injection molding machine having a clogging prevention function according to claim 2, characterized by The auxiliary assembly comprises a rotating shaft (41), a motor b (42) and a drill bit (43), the rotating shaft (41) is movably arranged in the electric heating rod (37), the motor b (42) is mounted in the mounting frame (35), the rear end of the rotating shaft (41) penetrates the mounting frame (35) and is fixedly connected with the output shaft end of the motor b (42), and the front end of the rotating shaft (41) is fixedly connected with the drill bit (43).
4. The nozzle for an injection molding machine having a clogging prevention function according to claim 3, characterized by The square shell is provided with a transparent plate (5) embeddedly and fixedly connected with the top of the square shell.
5. The nozzle for an injection molding machine having a clogging prevention function according to claim 4, wherein A plurality of heat dissipation holes (6) are movably arranged on the bottom of the square shell.
6. The nozzle for an injection molding machine having a clogging prevention function according to claim 5, wherein The outer wall of the T-shaped electric heating sleeve (38) is sprayed with a heat preservation and insulation coating.
Citation Information
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