Injection molding machine capable of conveniently cleaning spray head and used for sealing cover machining

Abstract

The utility model relates to the technical field of injection molding machines, and discloses a seal cover processing injection molding machine convenient for cleaning a nozzle, which comprises an injection molding machine body, a material pipe and a nozzle, the material pipe is provided with a mounting part convenient for mounting the nozzle, and the mounting part is provided with a driven part for avoiding excessive fastening. According to the injection molding machine with the convenient-to-clean spray head for sealing cover machining, through the arrangement of the mounting part, when the spray head is mounted, the spray head only needs to be inserted from the top of the cylinder and penetrates through the cylinder, so that the spray head is clamped in the cylinder, and at the moment, the position where the spray head is connected with the cylinder extrudes a first sealing ring; the mounting cylinder drives the second sealing ring to abut against the top of the spray head, so that mounting of the spray head is completed, the stability of the spray head can be effectively guaranteed through threaded connection of the cylinder and the mounting cylinder, and the sealing performance of the connecting position of the spray head can be guaranteed through the first sealing ring and the second sealing ring.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine technical field, concretely is a kind of injection molding machine for cover processing with nozzle convenient to clean. BACKGROUND

[0002] In the packaging field, cover refers to the lid or component used to close the mouth of the container. The types and materials of the cover are various, including plastic cover, metal cover, glass cover, etc., depending on the nature of the enclosed goods and the required functions. The main function of the cover is to protect the goods in the container from pollution and damage from the external environment, while providing a convenient opening and closing method. Common cover sealing methods include adhesive cover, heat sealing, subscription cover, threaded cover and snap cover, etc., when processing, injection molding machine needs to be used.

[0003] Injection molding machine is also known as injection molding machine or injection machine. It is the main molding equipment for making various shaped plastic products from thermoplastic or thermosetting plastics using plastic molding mold.

[0004] At present, the injection molding machine for cover processing needs to be cleaned after a period of use to avoid residual raw materials in the nozzle, so as to avoid the phenomenon of blockage. The current conventional operation basically relies on disassembling and cleaning the nozzle, such as the injection molding machine nozzle disclosed in the publication number "CN222135754U", which is convenient to disassemble. When disassembling, the overall operation is relatively cumbersome, and the fastener such as buckle cannot guarantee the effective fixation of the nozzle, and the sealing effect cannot be guaranteed. Therefore, we propose a kind of injection molding machine for cover processing with nozzle convenient to clean. Utility model content

[0005] The utility model aims at providing a kind of injection molding machine for cover processing with nozzle convenient to clean, to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a kind of injection molding machine for cover processing with nozzle convenient to clean, including injection molding machine body, material pipe and nozzle, the installation part for facilitating the installation of nozzle is arranged on the material pipe, the driven part for avoiding excessive fastening is arranged on the installation part.

[0007] Preferably, the mounting part comprises a mounting cylinder, the top of the mounting cylinder is fixed with the bottom of the material pipe, the surface of the mounting cylinder is provided with threads, the mounting cylinder is threadedly connected with the cylinder, the inner side of the cylinder is placed with a sealing ring I, the bottom of the mounting cylinder is provided with an embedding groove, the inner side of the embedding groove is clamped with a sealing ring II, when the nozzle is mounted, only the nozzle is inserted from the top of the cylinder, the nozzle is passed through the cylinder, the nozzle is clamped in the cylinder, at this time, the position of the nozzle connected with the cylinder extrudes the sealing ring I, by connecting the cylinder with the mounting cylinder, the mounting cylinder with the sealing ring II is abutted against the top of the nozzle, so that the mounting of the nozzle is completed, by threadedly connecting the cylinder with the mounting cylinder, the stability of the nozzle can be effectively ensured, and by arranging the sealing ring I and the sealing ring II, the sealing property of the position connected with the nozzle can be ensured.

[0008] Preferably, the driven part comprises a guide column, the guide column penetrates through the bottom of the cylinder and is slidably connected with the cylinder, the bottom of the guide column is fixed with a disc, the surface of the cylinder is provided with a vertical slot, the surface of the cylinder is rotatably installed with a control ring, the inner side of the control ring is provided with a pawl, the surface of the cylinder is provided with a ratchet wheel, the top of the disc is fixed with a pull rod, the top of the pull rod is hingedly connected with a support rod, the end of the support rod away from the pull rod is hingedly connected with a plug rod, the inner side of the vertical slot is fixed with a fixing rod, the fixing rod penetrates through the plug rod and is slidably connected with the plug rod, the inner side of the control ring is fixed with an annular clamping tooth, the top of the disc is fixed with a return spring, one end of the return spring away from the disc is fixed at the bottom of the cylinder, after the cylinder and the mounting cylinder are mounted, the mounting cylinder exerts pressure on the nozzle, at this time, the sealing ring I is abutted against by the nozzle, the guide column is abutted against and moves downwards, the guide column moves downwards with the disc, the disc moves together with the pull rod, the pull rod moves the plug rod to the side close to the fixing rod through the support rod, the plug rod is no longer clamped on the annular clamping tooth, at this time, even if the control ring is continuously rotated clockwise, the control ring cannot drive the cylinder to rotate, so that the nozzle, the sealing ring I and the sealing ring II are not excessively extruded due to being screwed too tightly, when the nozzle needs to be removed, only the control ring is counterclockwise rotated, the control ring is clamped on the ratchet wheel through the pawl arranged at the inner side, the cylinder is counterclockwise rotated together, so that the cylinder is removed from the mounting cylinder, the nozzle is taken off from the cylinder, and the nozzle can be cleaned.

[0009] Compared with the prior art, the injection molding machine with the nozzle convenient to clean for cover processing has the following beneficial effects:

[0010] 1. The injection molding machine with the easy-to-clean nozzle for cover processing is characterized by the installation part, the nozzle is inserted from the top of the cylinder, the nozzle is inserted through the cylinder, the nozzle is clamped in the cylinder, the position of the nozzle connected with the cylinder extrudes the sealing ring one, the installation cylinder with the sealing ring two touches the top of the nozzle, and the installation of the nozzle is completed, the cylinder and the installation cylinder are screw-connected, the stability of the nozzle is effectively ensured, and the sealing performance of the position connected with the nozzle is ensured through the sealing ring one and the sealing ring two.

[0011] 2. The injection molding machine with the easy-to-clean nozzle for cover processing is characterized by the installation part and the driven part, the installation cylinder applies pressure to the nozzle after the installation of the cylinder and the installation cylinder is completed, the sealing ring one is touched by the nozzle, the guide column is touched and moves downward, the guide column moves downward with the disc, the disc moves with the pull rod, the pull rod pulls the insertion rod to move close to the fixed rod through the supporting rod, the insertion rod is no longer clamped in the annular clamping tooth, the control ring cannot drive the cylinder to rotate even if the control ring is continuously rotated clockwise, and the over-tightening of the nozzle, the sealing ring one and the sealing ring two can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole front view structural schematic diagram of the utility model;

[0013] Figure 2 It is a material pipe, driven part and installation part connection structural schematic diagram of the utility model;

[0014] Figure 3 It is an installation part and driven part connection sectional view structural schematic diagram of the utility model;

[0015] Figure 4 It is a driven part sectional view structural schematic diagram of the utility model;

[0016] Figure 5 It is an installation cylinder, sealing ring one, sealing ring two and nozzle structure schematic diagram of the utility model;

[0017] Figure 6 It is a cylinder single sectional view structural schematic diagram of the utility model.

[0018] In the drawing: 1, injection molding machine body; 2, material pipe; 3, installation part; 31, installation cylinder; 32, cylinder; 33, sealing ring one; 34, embedded groove; 35, sealing ring two; 4, driven part; 41, guide column; 42, disc; 43, vertical slot; 44, control ring; 45, pawl; 46, ratchet wheel; 47, pull rod; 48, supporting rod; 49, insertion rod; 410, fixed rod; 411, annular clamping tooth; 412, return spring; 5, nozzle. DETAILED DESCRIPTION

[0019] As Figures 1-6 The utility model provides a kind of injection molding machine with easy-to-clean spray head for capping processing, including injection molding machine body 1, material pipe 2 and spray head 5, installation portion 3 for facilitating spray head 5 to be installed is provided on material pipe 2, driven portion 4 for avoiding excessive fastening is provided on installation portion 3, installation portion 3 includes installation cylinder 31, the top of installation cylinder 31 is fixed with the bottom of material pipe 2, the surface of installation cylinder 31 is provided with thread, installation cylinder 31 is connected with cylinder 32 by thread, sealing ring one 33 is placed in the inside of cylinder 32.

[0020] The bottom of installation cylinder 31 is provided with embedding slot 34, sealing ring two 35 is clamped in the inside of embedding slot 34, when installing spray head 5, only need to insert spray head 5 from the top of cylinder 32, pass through cylinder 32 with spray head 5, so that spray head 5 is clamped in cylinder 32, the position of spray head 5 and cylinder 32 is extruded to sealing ring one 33 at this time, by connecting cylinder 32 with installation cylinder 31, installation cylinder 31 is resisted with sealing ring two 35 to the top of spray head 5, to complete the installation of spray head 5, by thread connection of cylinder 32 and installation cylinder 31, the stability of spray head 5 can be effectively guaranteed, and by the sealing ring one 33 and sealing ring two 35 set, the sealing property of the position connected with spray head 5 can be guaranteed.

[0021] The driven part 4 comprises a guide column 41 penetrating through the bottom of the cylinder 32 and being in sliding connection with the cylinder 32, the bottom of the guide column 41 is fixed with a disc 42, the surface of the cylinder 32 is provided with a vertical slot 43, the surface of the cylinder 32 is rotatably installed with a control ring 44, the inner side of the control ring 44 is provided with a pawl 45, the surface of the cylinder 32 is provided with a ratchet wheel 46, the top of the disc 42 is fixed with a pull rod 47, the top of the pull rod 47 is hingedly connected with a support rod 48, the end of the support rod 48 away from the pull rod 47 is hingedly connected with a plug rod 49, the inner side of the vertical slot 43 is fixed with a fixed rod 410, the fixed rod 410 penetrates through the plug rod 49 and is in sliding connection with the plug rod 49, the inner side of the control ring 44 is fixed with an annular clamping tooth 411, the top of the disc 42 is fixed with a return spring 412, the end of the return spring 412 away from the disc 42 is fixed on the bottom of the cylinder 32, after the cylinder 32 and the mounting cylinder 31 are installed, the mounting cylinder 31 exerts pressure on the nozzle 5, at this time, the sealing ring one 33 is abutted by the nozzle 5, the guide column 41 is abutted and moves downward, the guide column 41 moves downward with the disc 42, the disc 42 moves with the pull rod 47, the pull rod 47 moves the plug rod 49 to the side close to the fixed rod 410 through the support rod 48, the plug rod 49 is no longer clamped on the annular clamping tooth 411, at this time, even if the control ring 44 continues to rotate clockwise, the control ring 44 cannot drive the cylinder 32 to rotate, so that the nozzle 5, the sealing ring one 33 and the sealing ring two 35 are prevented from being excessively pressed due to being screwed too tightly, when the nozzle 5 needs to be removed, the control ring 44 is only needed to be counterclockwise rotated, the control ring 44 is clamped on the ratchet wheel 46 on the surface of the cylinder 32 through the pawl 45 on the inner side, the cylinder 32 is counterclockwise rotated together, so that the cylinder 32 is detached from the mounting cylinder 31, the nozzle 5 is taken off from the cylinder 32, and the nozzle 5 is cleaned, which is convenient to operate.

[0022] Based on the above embodiment, when the nozzle 5 is removed, the control ring 44 is only needed to be counterclockwise rotated, the control ring 44 is clamped on the ratchet wheel 46 on the surface of the cylinder 32 through the pawl 45 on the inner side, the cylinder 32 is counterclockwise rotated together, after the cylinder 32 is detached from the mounting cylinder 31, the nozzle 5 is separated from the cylinder 32, and the nozzle 5 is cleaned.

[0023] When installing the cylinder 32, only need to insert the nozzle 5 from the top of the cylinder 32, the nozzle 5 passes through the cylinder 32, so that the nozzle 5 is clamped in the cylinder 32, the cylinder 32 is connected with the installation cylinder 31, at this time, rotate the control ring 44 clockwise, because the guide column 41 is not under pressure at this time, and the insertion rod 49 is inserted in the annular clamping tooth 411, even if the insertion rod 49 is not initially clamped with the annular clamping tooth 411, with the clockwise rotation of the control ring 44, the insertion rod 49 will eventually be clamped with the annular clamping tooth 411, the control ring 44 drives the cylinder 32 to rotate clockwise, with the continuous screwing, the sealing ring two 35 at the bottom of the installation cylinder 31 is in contact with the nozzle 5, the guide column 41 is in contact and moves downward, the guide column 41 drives the disc 42 to move downward, the disc 42 drives the pull rod 47 to move, the pull rod 47 drives the insertion rod 49 to move to the side close to the fixed rod 410 through the support rod 48, the insertion rod 49 is no longer clamped on the annular clamping tooth 411, at this time, even if the control ring 44 is continuously rotated clockwise, the control ring 44 cannot drive the cylinder 32 to rotate, so that the over-tightening can be avoided, which causes the nozzle 5, the sealing ring one 33 and the sealing ring two 35 to be excessively pressed.

[0024] The above is a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. An injection molding machine for easy cleaning of the nozzle during capping processing, comprising an injection molding machine body (1), a feed pipe (2), and a nozzle (5), characterized in that: The feed tube (2) is provided with a mounting part (3) for easy installation of the nozzle (5). The mounting part (3) is provided with a driven part (4) to avoid over-tightening. The mounting part (3) includes a mounting cylinder (31). The top of the mounting cylinder (31) is fixed to the bottom of the feed tube (2). The surface of the mounting cylinder (31) is provided with threads. The mounting cylinder (31) is threadedly connected to the cylinder (32).

2. The injection molding machine for easy cleaning of the nozzle during capping processing according to claim 1, characterized in that: A sealing ring (33) is placed on the inner side of the cylinder (32), and an embedding groove (34) is provided at the bottom of the mounting cylinder (31). A sealing ring (35) is snapped into the inner side of the embedding groove (34).

3. The injection molding machine for easy cleaning of the nozzle during capping processing according to claim 1, characterized in that: The driven part (4) includes a guide post (41), which penetrates the bottom of the cylinder (32) and is slidably connected to the cylinder (32). A disc (42) is fixed at the bottom of the guide post (41), and a vertical groove (43) is provided on the surface of the cylinder (32).

4. An injection molding machine for easy cleaning of the nozzle during capping processing according to claim 3, characterized in that: A control ring (44) is rotatably mounted on the surface of the cylinder (32), a pawl (45) is provided on the inner side of the control ring (44), a ratchet (46) is provided on the surface of the cylinder (32), and a pull rod (47) is fixed on the top of the disc (42).

5. An injection molding machine for easy cleaning of the nozzle during capping processing according to claim 4, characterized in that: The top of the pull rod (47) is hinged to a support rod (48), and the end of the support rod (48) away from the pull rod (47) is hinged to an insert rod (49). A fixing rod (410) is fixed to the inside of the vertical groove (43), and the fixing rod (410) passes through the insert rod (49) and is slidably connected to the insert rod (49).

6. An injection molding machine for easy cleaning of the nozzle during capping processing according to claim 5, characterized in that: The inner side of the control ring (44) is fixed with an annular retaining tooth (411), and the top of the disc (42) is fixed with a return spring (412). The end of the return spring (412) away from the disc (42) is fixed to the bottom of the cylinder (32).

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