Injection molding head adjusting mechanism for double-screw extruder

Abstract

The utility model relates to the technical field of injection molding heads, in particular to an injection molding head adjusting mechanism for a double-screw extruder, which comprises an injection molding pipe body, an injection molding nozzle and an adjusting component, and a bracket is arranged on one side of the injection molding pipe body corresponding to the position of the injection molding nozzle; the adjusting assembly comprises a micro electric push rod, a check block, a through notch and an adjusting block, and the check block is arranged in the position, corresponding to the micro electric push rod, of an inner cavity of the injection molding pipe body; the flow of injection molding materials passing through the injection molding pipe body is limited through the check block, the injection molding materials pass through the notch conveniently, meanwhile, the adjusting block can be driven by the micro electric push rod to conduct telescopic adjustment at the position where the injection molding materials pass through the notch, the effect of controlling the passing flow is achieved, and therefore control convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding heads, in particular to an injection molding head adjusting mechanism for a twin-screw extruder. Background Art

[0002] Injection molding machine is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. Injection molding is achieved through injection molding machines and molds, and the injection head is the discharge component of the injection molding machine.

[0003] At present, when the injection molding head is injecting, the internal aperture of the injection molding head is fixed, and the injection molding output cannot be controlled, which brings inconvenience to the operator. Therefore, an injection molding head adjustment mechanism for a twin-screw extruder is proposed to facilitate real-time adjustment of the output, thereby improving the convenience of operation. Utility Model Content

[0004] In view of the problems in the prior art, the utility model provides an injection head adjustment mechanism for a twin-screw extruder to facilitate real-time adjustment of the throughput, thereby improving the convenience of operation.

[0005] The utility model solves the technical problem by adopting a technical solution which is an injection head adjustment mechanism for a twin-screw extruder, comprising an injection tube body, an injection nozzle and an adjustment component, wherein a bracket is provided at one side of the injection tube body corresponding to the injection nozzle position;

[0006] The adjustment component includes a micro electric push rod, a stopper, a notch and an adjustment block. The stopper is arranged in the cavity of the injection tube body corresponding to the position of the micro electric push rod. The inner wall of the injection nozzle is attached with a funnel-shaped lining.

[0007] By adopting the above technical solution, the block is used to limit the flow of the injection plastic passing through the injection molding tube body, and the plastic passes through the notch to facilitate the passage. At the same time, the micro electric push rod can be used to drive the adjustment block to adjust the position through the notch to achieve the effect of controlling the flow rate, thereby improving the convenience of operation.

[0008] When the injection nozzle needs to be cleaned after the injection molding work is completed, it can be separated from one end of the injection tube body through the thread ring B, and then the funnel-shaped liner attached to the injection nozzle can be taken out for cleaning or replacement, thereby facilitating cleaning and replacement.

[0009] Specifically, a thread ring A is arranged at the top end of the injection molding tube body, a thread ring B is arranged at the bottom end of the injection molding nozzle, and the injection molding tube body and the injection molding nozzle are threadably connected through the thread ring A and the thread ring B.

[0010] By adopting the above technical solution, the injection molding tube body is used to transfer the injection molding material, and the thread ring A and the thread ring B are used to facilitate the disassembly and assembly of the injection molding nozzle.

[0011] Specifically, the top and bottom of the inner wall of the bracket are both fixed with fixing brackets by bolts, and the bracket is fixed to one side of the injection-molded tube body by the fixing bracket bolts.

[0012] By adopting the above technical solution, a fixing bracket is used to fix the bracket to one side of the injection-molded tube body, and the micro electric push rod is fixed by supporting the bracket.

[0013] Specifically, the micro electric push rod is fixed to the inner wall of the bracket by bolts, an adjustment block is arranged in the injection molded tube body at a position corresponding to the notch, and the driving end of the micro electric push rod is connected to the adjustment block.

[0014] By adopting the above technical solution, a micro electric push rod is used to drive the adjustment block to perform telescopic adjustment at the position through the notch, so as to achieve the effect of controlling the passing flow.

[0015] Specifically, the through notch is opened on the surface of the block, and the funnel-shaped lining is made of stainless steel.

[0016] By adopting the above technical solution, the funnel-shaped liner attached to the injection nozzle can be taken out for cleaning or replacement, thereby facilitating cleaning and replacement.

[0017] Beneficial effects of the utility model:

[0018] (1) The injection head adjustment mechanism for a twin-screw extruder described in the utility model uses a block to limit the flow of the injection plastic passing through the injection tube body and facilitates the passage through the notch. At the same time, the adjustment block can be driven by a micro electric push rod to be telescopically adjusted at the position through the notch to achieve the effect of controlling the flow rate, thereby improving the convenience of operation.

[0019] (2) The injection head adjustment mechanism for a twin-screw extruder described in the utility model can be separated from one end of the injection tube body by the thread ring B when the injection nozzle needs to be cleaned after the injection molding work is completed, and then the funnel-shaped liner attached to the injection nozzle can be taken out for cleaning or replacement, thereby facilitating cleaning and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Figure 1 It is an overall schematic diagram of the utility model;

[0022] Figure 2 This is a schematic diagram of the internal structure of the injection-molded tube body of the utility model;

[0023] Figure 3 This is a schematic diagram of the injection nozzle structure of the utility model;

[0024] Figure 4This is a schematic diagram of the funnel-shaped liner structure of the utility model;

[0025] In the figure: 1. injection molding tube body; 2. injection molding nozzle; 3. thread ring A; 4. thread ring B; 5. bracket; 6. fixed bracket; 7. adjustment component; 701. micro electric push rod; 702. stopper; 703. through gap; 704. adjustment block; 8. funnel-shaped lining. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0027] In order to improve the convenience of control, Figure 1-4 As shown, the injection head adjustment mechanism for a twin-screw extruder described in the utility model comprises an injection tube body 1, an injection nozzle 2 and an adjustment component 7, and a bracket 5 is provided at one side of the injection tube body 1 corresponding to the injection nozzle 2;

[0028] The adjustment assembly 7 includes a micro electric push rod 701, a stopper 702, a notch 703 and an adjustment block 704. The stopper 702 is arranged in the inner cavity of the injection tube body 1 at a position corresponding to the micro electric push rod 701. The inner wall of the injection nozzle 2 is attached with a funnel-shaped lining 8.

[0029] When in use, the fixing bracket 6 is used to fix the bracket 5 to one side of the injection molding tube body 1, and the micro electric push rod 701 is supported and fixed by the bracket 5;

[0030] The stopper 702 is used to limit the flow of the injection plastic passing through the injection tube body 1, and the plastic passes through the notch 703 to facilitate the passage. At the same time, the micro electric push rod 701 can drive the adjustment block 704 to adjust the position through the notch 703 to achieve the effect of controlling the flow rate, thereby improving the convenience of operation.

[0031] When the injection nozzle 2 needs to be cleaned after the injection molding work is completed, it can be separated at one end of the injection tube body 1 through the threaded ring B4, and then the funnel-shaped liner 8 attached to the injection nozzle 2 can be taken out for cleaning or replacement, thereby facilitating cleaning and replacement.

[0032] In order to improve the convenience of operation, for example, Figure 1 , Figure 2 , Figure 3 As shown, the utility model also includes that a thread ring A3 is provided at the top end of the injection molding tube body 1, and a thread ring B4 is provided at the bottom end of the injection molding nozzle 2, and the injection molding tube body 1 and the injection molding nozzle 2 are threadedly connected through the thread ring A3 and the thread ring B4.

[0033] When in use, the injection molding tube body 1 is used to transfer the injection molding material, and the thread ring A3 and the thread ring B4 are used to facilitate the disassembly and assembly of the injection molding nozzle 2.

[0034] For example, Figure 1 , Figure 2 As shown, the utility model also includes that the top and bottom of the inner wall of the bracket 5 are fixed with a fixing bracket 6 by bolts, and the bracket 5 is fixed to one side of the injection molded tube body 1 by the fixing bracket 6 bolts.

[0035] When in use, the fixing bracket 6 is used to fix the bracket 5 to one side of the injection-molded tube body 1 , and the micro electric push rod 701 is supported and fixed by the bracket 5 .

[0036] For example, Figure 1 , Figure 2 As shown, the utility model also includes that the micro electric push rod 701 is fixed to the inner wall of the bracket 5 by bolts, and an adjustment block 704 is arranged in the injection tube body 1 corresponding to the position through the notch 703, and the driving end of the micro electric push rod 701 is connected to the adjustment block 704.

[0037] When in use, the micro electric push rod 701 is used to drive the adjustment block 704 to perform telescopic adjustment at the position through the notch 703 to achieve the effect of controlling the flow rate.

[0038] For example, Figure 2 , Figure 3 , Figure 4 As shown, the utility model also includes that the through notch 703 is opened on the surface of the stopper 702, and the funnel-shaped liner 8 is made of stainless steel.

[0039] When in use, the funnel-shaped liner 8 attached to the injection nozzle 2 is taken out for cleaning or replacement, thereby facilitating cleaning and replacement.

[0040] When the utility model is used, the injection tube body 1 is used to transfer the injection material, and the thread ring A3 and the thread ring B4 are used to facilitate the disassembly and assembly of the injection nozzle 2;

[0041] The stopper 702 is used to limit the flow of the injection plastic passing through the injection tube body 1, and the plastic passes through the notch 703 to facilitate the passage. At the same time, the micro electric push rod 701 can drive the adjustment block 704 to adjust the position through the notch 703 to achieve the effect of controlling the flow rate, thereby improving the convenience of operation.

[0042] When the injection nozzle 2 needs to be cleaned after the injection molding work is completed, it can be separated at one end of the injection tube body 1 through the threaded ring B4, and then the funnel-shaped liner 8 attached to the injection nozzle 2 can be taken out for cleaning or replacement, thereby facilitating cleaning and replacement.

[0043] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. An injection head adjustment mechanism for a twin-screw extruder, characterized in that: It comprises an injection molding tube body (1), an injection molding nozzle (2) and an adjustment component (7), wherein a bracket (5) is provided on one side of the injection molding tube body (1) at a position corresponding to the injection molding nozzle (2); The adjustment component (7) comprises a micro electric push rod (701), a stopper (702), a through notch (703) and an adjustment block (704); the stopper (702) is arranged at a position of the micro electric push rod (701) corresponding to the inner cavity of the injection molding tube (1); and a funnel-shaped lining (8) is attached to the inner wall of the injection molding nozzle (2).

2. The injection head adjustment mechanism for a twin-screw extruder according to claim 1, characterized in that: The top end of the injection molding tube (1) is provided with a thread ring A (3), and the bottom end of the injection molding nozzle (2) is provided with a thread ring B (4). The injection molding tube (1) and the injection molding nozzle (2) are threadedly connected via the thread ring A (3) and the thread ring B (4).

3. The injection head adjustment mechanism for a twin-screw extruder according to claim 1, characterized in that: The top and bottom of the inner wall of the bracket (5) are both fixed with a fixing bracket (6) by means of bolts, and the bracket (5) is fixed to one side of the injection-molded tube body (1) by means of the fixing bracket (6) bolts.

4. The injection head adjustment mechanism for a twin-screw extruder according to claim 1, characterized in that: The micro electric push rod (701) is fixed to the inner wall of the bracket (5) by means of bolts, an adjustment block (704) is provided in the injection molded tube body (1) at a position corresponding to the notch (703), and the driving end of the micro electric push rod (701) is connected to the adjustment block (704).

5. The injection head adjustment mechanism for a twin-screw extruder according to claim 1, characterized in that: The through notch (703) is provided on the surface of the stopper (702), and the funnel-shaped lining (8) is made of stainless steel.

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