Leak-proof injection molding machine nozzle

Abstract

The utility model relates to the technical field of injection molding machines, and discloses a leakproof injection molding machine nozzle which comprises an injection molding pipe and an injection molding head located on one side of the injection molding pipe, a connecting ring is fixedly sleeved on the periphery of the injection molding pipe close to one end, the connecting ring and the injection molding head are mutually attached, and a shielding assembly is arranged on one side of the injection molding head. A connecting ring is arranged on one side of the injection molding head, a disassembling assembly is arranged between the connecting ring and the injection molding head, a support is fixedly installed at the position, close to the middle, of the periphery of the injection molding pipe, a plurality of clamping blocks are fixedly installed on the other side of the injection molding head, and limiting grooves are formed in the clamping blocks. And the limiting blocks can move upwards under the cooperation of the driving disc and the arc-shaped grooves and the connection of the L-shaped plates, so that the multiple limiting blocks can be far away from the inner cavities of the adjacent limiting grooves, a connecting ring and the injection molding head are conveniently separated, impurities in the inner cavities of the injection molding head are conveniently cleaned, and the disassembly strength of workers is relieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine technical field, concretely is a kind of anti-leakage injection molding machine nozzle. BACKGROUND

[0002] Injection molding machine is also called injection molding machine or injection machine, it is the main molding equipment of thermoplastic or thermosetting plastic into various shapes of plastic products using plastic molding mold, divided into vertical, horizontal, all-electric, injection molding machine can heat plastic, melt plastic is subjected to high pressure, so that it fills the mold cavity, and the most important in injection molding machine is injection head, often need to install different kinds of injection head to carry out injection molding operation when different needs environment.

[0003] When using injection head, injection liquid is introduced into the inner cavity of mold, however, after injection is completed, injection liquid still remains in the inner cavity of injection head, which can easily cause the inner cavity of injection head to be blocked after cooling, reducing the subsequent use effect of injection head, and the injection head and injection pipe are not convenient to disassemble, increasing the disassembly strength of the user to the injection head.

[0004] Therefore, we propose an anti-leakage injection molding machine nozzle to solve the problems raised in the above. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an anti-leakage injection molding machine nozzle to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: an anti-leakage injection molding machine nozzle, comprising an injection pipe and an injection head located on one side of the injection pipe, a connecting ring is fixedly arranged on the outer periphery of the injection pipe close to one end, and the connecting ring and the injection head are arranged to be mutually attached, a shielding assembly is arranged on one side of the injection head, a disassembly assembly is arranged between the connecting ring and the injection head, a support is fixedly installed on the outer periphery of the injection pipe close to the middle position, a plurality of clamping blocks are fixedly installed on the other side of the injection head, and a limiting groove is formed in each clamping block.

[0007] The disassembly assembly comprises a driving disc rotatably connected to the outer periphery of the connecting ring close to one end and a plurality of clamping slots formed in one side of the connecting ring, the clamping blocks are movably inserted into the inner cavities of adjacent clamping slots, the inner cavities of the clamping slots are each provided with an opening, and a sealing plate is fixedly installed in the inner cavity of each opening, a limiting block is movably inserted into the inner cavity of each limiting groove, an L-shaped plate is fixedly installed on each limiting block, the L-shaped plates are movably penetrated through adjacent sealing plates respectively, and a driving rod is fixedly installed on each L-shaped plate, a plurality of arc-shaped grooves are formed in one side of the driving disc, and the driving rods are movably inserted into the inner cavities of adjacent arc-shaped grooves respectively.

[0008] Preferably, the other side of the driving disc is fixedly installed with a fixed plate at the middle position, a vertical rod is movably penetrated through the top of the fixed plate, a handle is fixedly installed at the top end of the vertical rod, a T-shaped plug is fixedly installed at the bottom end of the vertical rod, a plurality of insertion slots are formed in the outer periphery of the connecting ring near the other end, and the bottom of the T-shaped plug is movably inserted into the inner cavity of the adjacent insertion slot.

[0009] Preferably, the top of the T-shaped plug is fixedly installed with a reset telescopic rod near the two sides, the top end of the reset telescopic rod is fixedly connected with the fixed plate, a reset spring is movably sleeved on the outer periphery of the reset telescopic rod, and the two ends of the reset spring are fixedly connected with the fixed plate and the T-shaped plug.

[0010] Preferably, a plurality of guide holes are formed in the other side of the injection head, a plurality of sealing grooves are formed in the other side of the injection head, and the guide holes are located on the outer periphery of the sealing grooves.

[0011] Preferably, a plurality of guide rods are fixedly installed on one side of the connecting ring, a sealing ring is fixedly installed on one side of the connecting ring, the guide rods are located on the outer periphery of the sealing ring, and the guide rods are movably inserted into the inner cavities of the adjacent guide holes.

[0012] Preferably, the shielding assembly comprises two rectangular plates fixedly installed on one side of the bracket near the middle position and an active shaft rotatably connected to the rear rectangular plate, the front end of the active shaft movably penetrates through the adjacent rectangular plate and is fixedly installed with a hand wheel, and the outer periphery of the active shaft is fixedly sleeved with a shielding plate.

[0013] Preferably, the front side of the hand wheel movably penetrates a T-shaped plug rod near the other side, a plurality of limiting blind holes are formed in the front side of the front rectangular plate, the rear end of the T-shaped plug rod is movably inserted into the inner cavity of the adjacent limiting blind hole, a compression spring is movably sleeved on the outer periphery of the T-shaped plug rod near the front end, and the two ends of the compression spring are fixedly connected with the hand wheel and the T-shaped plug rod.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、When the injection head is disassembled, under the cooperation of the disassembly assembly, under the cooperation of the arc-shaped groove, under the connection of the L-shaped plate, the limiting block moves upward, thereby the plurality of limiting blocks are away from the inner cavities of the adjacent limiting slots, the connecting ring and the injection head are separated, impurities in the inner cavity of the injection head are cleaned, and the disassembly strength of the staff is reduced.

[0016] 2. When shielding the injection head, the shielding plate can be turned 90 degrees to shield the injection head under the rotation of the movable shaft in cooperation with the shielding assembly, and the T-shaped insertion rod can be stably inserted into the inner cavity of the limiting blind hole through the compression spring, the position of the movable shaft turning can be locked, and the shielding effect of the injection head is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is another perspective whole three-dimensional structure schematic view of the utility model;

[0019] Figure 3 It is an injection head, injection pipe and clamping block explosion view of the utility model;

[0020] Figure 4 It is another perspective injection head, injection pipe and clamping block explosion view of the utility model;

[0021] Figure 5 It is a whole three-dimensional structure schematic view of the utility model; Figure 1 It is an enlarged view of A in the utility model;

[0022] Figure 6 It is an enlarged view of B in the utility model; Figure 2 It is an enlarged view of B in the utility model;

[0023] Figure 7 It is an enlarged view of C in the utility model. Figure 3

[0024] In the drawing: 1, injection pipe; 2, connecting ring; 21, guide rod; 22, sealing ring; 3, injection head; 31, sealing groove; 32, guide hole; 4, support; 5, dismounting assembly; 51, driving disc; 511, fixed plate; 512, vertical rod; 513, handle; 514, T-shaped insertion block; 5141, reset telescopic rod; 5142, reset spring; 515, insertion slot; 52, clamping slot; 53, opening; 54, sealing plate; 55, limiting block; 551, limiting telescopic rod; 56, L-shaped plate; 57, arc-shaped slot; 58, driving rod; 6, shielding assembly; 61, rectangular plate; 62, movable shaft; 63, shielding plate; 64, rocker; 641, T-shaped insertion rod; 642, compression spring; 643, limiting blind hole; 7, clamping block. DETAILED DESCRIPTION

[0025] ​With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0026] Embodiment 1

[0027] Please refer to Figures 1-7 A leakage-proof injection molding machine nozzle, comprising an injection molding pipe 1 and an injection molding head 3 located on one side of the injection molding pipe 1, a connecting ring 2 is fixedly arranged on the outer periphery of the injection molding pipe 1 near one end, and the connecting ring 2 and the injection molding head 3 are arranged in close contact with each other, a shielding assembly 6 is arranged on one side of the injection molding head 3, a dismounting assembly 5 is arranged between the connecting ring 2 and the injection molding head 3, a support 4 is fixedly installed on the outer periphery of the injection molding pipe 1 near the middle position, a plurality of clamping blocks 7 are fixedly installed on the other side of the injection molding head 3, and a limiting groove is formed in each clamping block 7.

[0028] The dismounting assembly 5 comprises a driving disc 51 rotatably connected to the outer periphery of the connecting ring 2 near one end and a plurality of clamping grooves 52 formed in one side of the connecting ring 2, the clamping blocks 7 are movably inserted into the inner cavities of adjacent clamping grooves 52, the inner cavities of the clamping grooves 52 are each provided with an opening 53, the inner cavities of the openings 53 are each fixedly installed with a sealing plate 54, the inner cavities of the limiting grooves are each movably inserted with a limiting block 55, the limiting blocks 55 are each fixedly installed with an L-shaped plate 56, the L-shaped plates 56 are each movably penetrated through adjacent sealing plates 54, and each is fixedly installed with a driving rod 58, the side of the driving disc 51 is provided with a plurality of arc-shaped grooves 57, and the driving rods 58 are each movably inserted into the inner cavities of adjacent arc-shaped grooves 57.

[0029] Specifically, when the injection molding head 3 is dismounted, under the cooperation of the dismounting assembly 5, the driving disc 51 can be driven to move in the arc-shaped grooves 57, the limiting blocks 55 can be moved upward under the connection of the L-shaped plates 56, and then the plurality of limiting blocks 55 can be moved away from the inner cavities of adjacent limiting grooves, which facilitates the separation of the connecting ring 2 and the injection molding head 3, facilitates the cleaning of impurities in the inner cavity of the injection molding head 3, and reduces the dismounting strength of the workers.

[0030] A fixed plate 511 is fixedly installed at the other side middle position of the driving disc 51, a vertical rod 512 is movably penetrated through the top of the fixed plate 511, a handle 513 is fixedly installed at the top end of the vertical rod 512, a T-shaped plug block 514 is fixedly installed at the bottom end of the vertical rod 512, a plurality of insertion slots 515 are formed at the outer periphery of the connecting ring 2 close to the other end (the plurality of insertion slots 515 are arranged in a ring array shape with the center of the connecting ring 2 as the center), and the bottom of the T-shaped plug block 514 is movably inserted into the inner cavity of the adjacent insertion slot 515; a limiting telescopic rod 551 is fixedly installed at the top of the limiting block 55 close to the two sides, and the top of the limiting telescopic rod 551 is fixedly connected with the sealing plate 54.

[0031] Specifically, by setting the T-shaped plug block 514 inserted into the inner cavity of the insertion slot 515, the position of the driving disc 51 rotating can be limited.

[0032] A reset telescopic rod 5141 is fixedly installed at the top of the T-shaped plug block 514 close to the two sides, and the top end of the reset telescopic rod 5141 is fixedly connected with the fixed plate 511; a reset spring 5142 is movably sleeved at the outer periphery of the reset telescopic rod 5141, and the two ends of the reset spring 5142 are fixedly connected with the fixed plate 511 and the T-shaped plug block 514 respectively.

[0033] Specifically, by setting the reset telescopic rod 5141 and the reset spring 5142, the T-shaped plug block 514 can be stably inserted into the inner cavity of the insertion slot 515.

[0034] A plurality of guide holes 32 are formed at the other side of the injection head 3, a plurality of sealing grooves 31 are formed at the other side of the injection head 3, and the guide holes 32 are located at the outer periphery of the sealing grooves 31; a plurality of guide rods 21 are fixedly installed at one side of the connecting ring 2, a sealing ring 22 is fixedly installed at one side of the connecting ring 2, and the guide rods 21 are located at the outer periphery of the sealing ring 22; the guide rods 21 are movably inserted into the inner cavities of the adjacent guide holes 32 respectively.

[0035] Specifically, by inserting the guide rods 21 into the inner cavities of the guide holes 32, the injection head 3 and the connecting ring 2 are connected, and by setting the sealing ring 22 inserted into the inner cavities of the sealing grooves 31, the sealing performance of the injection head 3 and the connecting ring 2 can be improved.

[0036] Embodiment 2

[0037] This embodiment is an improvement on the basis of embodiment 1. Specifically, please refer to Figure 1 , Figure 2 and Figure 6The shielding assembly 6 comprises two rectangular plates 61 fixedly installed on one side of the support 4 near the middle position and a movable shaft 62 rotatably connected on the rear rectangular plate 61, the front end of the movable shaft 62 movably penetrates through the adjacent rectangular plate 61, and a rocking wheel 64 is fixedly installed on the movable shaft 62, and a shielding plate 63 is fixedly sleeved on the outer periphery of the movable shaft 62.

[0038] Specifically, when shielding the injection head 3, under the cooperation of the shielding assembly 6, the shielding plate 63 can be turned over by 90 degrees under the rotation of the movable shaft 62 to shield the injection head 3.

[0039] The front side of the rocking wheel 64 movably penetrates a T-shaped insertion rod 641 near the other side, a plurality of limiting blind holes 643 are formed on the front side of the front rectangular plate 61, the plurality of limiting blind holes 643 are arranged in a ring array with the rocking wheel 64 as the center, the rear end of the T-shaped insertion rod 641 is movably inserted into the inner cavity of the adjacent limiting blind hole 643, a compression spring 642 is movably sleeved on the outer periphery of the T-shaped insertion rod 641 near the front end, and the two ends of the compression spring 642 are fixedly connected with the rocking wheel 64 and the T-shaped insertion rod 641.

[0040] Specifically, the T-shaped insertion rod 641 can be stably inserted into the inner cavity of the limiting blind hole 643 through the compression spring 642, the position of the movable shaft 62 can be locked, and the shielding effect of the injection head 3 can be improved.

[0041] Working principle: when the injection head 3 is used for injection, when the injection is stopped, at this time, the operator can rotate the T-shaped insertion rod 641 to pull it forward, so that the end of the T-shaped insertion rod 641 is away from the inner cavity of the adjacent limiting blind hole 643, then the rocking wheel 64 can be rotated to rotate the movable shaft 62 fixedly installed on the rocking wheel 64, so that the shielding plate 63 fixedly sleeved on the outer periphery of the movable shaft 62 is rotated to 90 degrees, the injection head 3 is shielded, the T-shaped insertion rod 641 can be inserted into the inner cavity of the adjacent limiting blind hole 643 by releasing the compression spring 642, the position of the movable shaft 62 can be locked, and the shielding effect of the injection head 3 can be improved, when the injection head 3 needs to be disassembled and replaced, at this time, the handle 513 can be pulled upwards first, under the connection of the vertical rod 512, the T-shaped insertion block 514 fixedly installed on the vertical rod 512 can be moved upwards away from the inner cavity of the insertion slot 515, then the driving disc 51 can be rotated, under the cooperation of the arc-shaped groove 57, the plurality of driving rods 58 can be moved upwards, under the connection of the adjacent L-shaped plate 56, the limiting block 55 fixedly installed on the end of the L-shaped plate 56 can be moved upwards, so that the limiting block 55 is away from the inner cavity of the adjacent limiting slot, the connection ring 2 and the injection head 3 are disassembled, the impurities in the inner cavity of the injection head 3 are cleaned, and the disassembly strength of the worker is reduced.

[0042] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0043] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A leak-proof injection molding machine nozzle comprising an injection molding tube (1) and an injection molding head (3) located on one side of the injection molding tube (1), characterized in that: The outer periphery of the injection tube (1) is fixedly provided with a connecting ring (2) near one end, and the connecting ring (2) and the injection head (3) are arranged in close contact with each other, one side of the injection head (3) is provided with a shielding assembly (6), a dismounting assembly (5) is arranged between the connecting ring (2) and the injection head (3), a support (4) is fixedly installed on the outer periphery of the injection tube (1) near the middle position, a plurality of clamping blocks (7) are fixedly installed on the other side of the injection head (3), and a limiting groove is formed in each clamping block (7).

2. A leak resistant injection molding machine nozzle as defined in claim 1, wherein: The other side of the injection head (3) is provided with a plurality of guide holes (32), and the other side of the injection head (3) is provided with a plurality of sealing grooves (31), and the guide holes (32) are located on the outer periphery of the sealing grooves (31).

3. A leak resistant injection molding machine nozzle as defined in claim 2, wherein: The connecting ring (2) is fixedly provided with a plurality of guide rods (21) on one side, and a sealing ring (22) is fixedly provided on one side of the connecting ring (2), wherein the guide rods (21) are located on the outer periphery of the sealing ring (22), and the guide rods (21) are movably inserted into the inner cavities of adjacent guide holes (32).

4. A leak resistant injection molding machine nozzle as defined in claim 1, wherein: ​ 5. A leak resistant injection molding machine nozzle as defined in claim 4, wherein: ​ 6. A leak resistant injection molding machine nozzle as defined in claim 1, wherein: The shielding assembly (6) comprises two rectangular plates (61) fixedly installed on one side of the support (4) near the middle position and a movable shaft (62) rotatably connected on the rear rectangular plate (61), the front end of the movable shaft (62) movably penetrates through the adjacent rectangular plate (61), a rocking wheel (64) is fixedly installed, and the outer periphery of the movable shaft (62) is fixedly sleeved with a shielding plate (63).

7. A leak resistant injection molding machine nozzle as defined in claim 6, wherein: The front side of the rocking wheel (64) movably penetrates a T-shaped insertion rod (641) near the other side, a plurality of limiting blind holes (643) are formed on the front side of the front rectangular plate (61), the rear end of the T-shaped insertion rod (641) is movably inserted into the inner cavity of the adjacent limiting blind hole (643), a compression spring (642) is movably sleeved on the outer periphery of the T-shaped insertion rod (641) near the front end, and the two ends of the compression spring (642) are fixedly connected with the rocking wheel (64) and the T-shaped insertion rod (641) respectively.

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