Injection device of high-speed injection molding machine

Abstract

The utility model relates to an injection device of a high-speed injection molding machine, which aims to solve the technical problem that the current injection head is inconvenient to clean when being blocked, and comprises a hot melting assembly, the front side of the hot melting assembly is communicated with an injection molding device, an injection pipe is vertically arranged in the middle of the bottom end of the injection molding device, and the bottom end of the injection pipe is detachably provided with an injection head. By rotating the lead screw, a limiting groove in one end of the limiting plate can be pushed to be clamped to the outer side of the limiting block, so that the injection head is limited and fixed, the electric-hydraulic push rod is controlled to work, and the injection pipe at the bottom end of the injection pipe can be pushed to move downwards in the injection head; materials blocked in the injection head and the injection port can be automatically cleaned through the dredging column at the bottom end of the injection pipe, convenience and rapidness are achieved, and therefore the problems that an injection head of an existing injection molding machine needs to be detached for manual cleaning, labor intensity is large, and working efficiency is low are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine field, concretely to a high -speed injection molding machine injection device. BACKGROUND

[0002] Injection molding machine is also called injection molding machine or injection molding machine, and is main molding equipment for making various shape plastic products by thermoplastic or thermosetting plastic by using plastic molding die.

[0003] The patent document with the publication number CN221584327U discloses a high-speed injection molding machine injection device, which comprises a conveying mechanism, a support frame is fixedly arranged on the back surface of the conveying mechanism, a hot melting assembly is fixedly connected to the top of the support frame, a liquid extractor is fixedly arranged on the front side of the hot melting assembly, a recycling assembly is fixedly connected to the bottom of the liquid extractor, a first support plate is fixedly connected to the front surface of the hot melting assembly, a connecting frame is fixedly connected to the inner cavity of the first support plate, and a moving block is slidingly connected to the inner cavity of the connecting frame.

[0004] In the process of realizing the utility model, the inventor finds that at least the following problems in the prior art have not been solved, the above-mentioned case drives four groups of worms to synchronously rotate in the positive direction through the positive rotation of the second rotating rod, so that the gears meshed with the worms are driven to rotate, the screw rod is rotated, the screw sleeve is driven to move downward, four groups of injection molders are synchronously moved downward, and four groups of molds are injection molded. However, during use, impurities are easily mixed in the material production process, the injection port of the injection head is easily blocked during injection operation, and the injection head needs to be disassembled by the worker and then manually cleaned, which increases the labor intensity of the worker on the one hand and affects the work efficiency on the other hand. Therefore, a new technical scheme needs to be designed to solve the problem. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the defects of the prior art, adapting to the actual needs, and providing a high-speed injection molding machine injection device to solve the technical problem of inconvenient cleaning when the injection head is blocked.

[0006] In order to realize the purpose of the utility model, the technical scheme that the utility model adopts is: a kind of injection device of high-speed injection molding machine is designed, including hot melt component, the front side of hot melt component is communicated with injection molding machine, the middle part of the bottom end of injection molding machine is vertically provided with injection pipe, the bottom end of injection pipe is detachably installed with injection head, further including dismounting mechanism and cleaning mechanism;The dismounting mechanism is used for the quick dismounting of injection head, the dismounting mechanism includes two groups of fixed slots and fixed blocks, the fixed block is movably connected with fixed slot, the side of the fixed block away from fixed slot is provided with spring;The cleaning mechanism is used for cleaning the blocked material in the inside of injection head, the cleaning mechanism includes electro-hydraulic push rod and limit plate, the middle part of the upper surface of injection molding machine is fixedly connected with the telescopic end of electro-hydraulic push rod, the middle part of one end of limit plate is provided with limit slot, the outside of injection head is fixedly installed with limit block, the limit block is movably connected with limit slot, the bottom end of injection pipe is fixedly installed with dredging column, the dredging column is movably connected with injection port.

[0007] Preferably, the top block is movably connected with the fixed block.

[0008] Preferably, the two groups of fixed slots are symmetrically arranged at the end of the injection head away from the injection port, the two sides of the bottom end of the injection pipe are symmetrically provided with adjusting grooves, the two groups of fixed blocks are respectively slidably connected with the adjusting grooves on the two sides of the injection pipe, the spring is arranged in the adjusting groove, and the size of the fixed block and the fixed slot is matched.

[0009] Preferably, the front side of the hot melt component is fixedly connected with a support, the injection molding machine is slidably connected to the inner side of the support, the electro-hydraulic push rod is fixedly connected to the middle part of the upper surface of the support, the middle part of the bottom end of the support is throughly provided with an operation port, the two sides of the operation port are symmetrically provided with sliding grooves, the limit plate is slidably connected with the limit slot, one end of the limit plate inside the sliding groove is throughly and threadedly connected with a lead screw, the other end of the lead screw outside the support is fixedly installed with a hand wheel, the hot melt component is fixedly connected to the upper surface of a support base, the upper surface of the support base is fixedly connected with a mold body, and the mold body corresponds to the injection head.

[0010] Preferably, the two sides of the injection head are symmetrically provided with guide grooves, the guide grooves are communicated with the fixed slots, and the fixed blocks are slidably connected with the guide grooves.

[0011] Preferably, the outside of the injection pipe and the injection head insertion end is provided with a sealing ring, and the sealing ring is attached to the inner wall of the injection head.

[0012] Preferably, the size of the injection pipe and the injection head is matched, the bottom end of the injection pipe is throughly provided with a discharge port, the discharge port is distributed outside the dredging column, and the size of the discharge port and the injection port is matched.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses a fixed block is connected with the adjusting groove slidingly, and through the elastic force of spring, can promote the one end of fixed block to insert to the fixed slot of injection head inner wall opening, convenient injection head and the disassembly of injection pipe, rotate the lead screw, can promote the limit slot of one end of limit board and connect in the outside of limit block, thereby to the injection head is fixed in position, control electro -hydraulic push rod work, can promote the injection pipe bottom end injection pipe and move down in the injection head, through the dredging column of injection pipe bottom end can automatic injection head and the material of injection port inside blockage carry out the cleaning, convenient and fast, thereby solve the injection head of existing injection molding machine, need to dismount the injection head and carry out manual cleaning, the problem of great labor intensity, low work efficiency.

[0015] 2. The utility model discloses when limit board carries out the limit clamping of limit block outside injection head, the top block above limit board can promote fixed block to remove from fixed slot, thereby automatically remove the fixed connection of injection head and injection pipe, convenient electro -hydraulic push rod promotes injection pipe and carries out the cleaning of injection head inside. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the front view of the utility model;

[0017] Figure 2 It is the sectional view of the utility model;

[0018] Figure 3 It is the injection pipe and injection head connection schematic view of the utility model;

[0019] Figure 4 It is the A part schematic view of the utility model.

[0020] In the drawing: 1, hot melt component;11, injection molding machine;12, injection pipe;13, injection head;14, fixed slot;15, guide groove;16, adjusting groove;17, fixed block;18, spring;19, sealing ring;2, discharge port;21, injection port;22, dredging column;23, operation port;24, sliding groove;25, limit board;251, top block;26, limit slot;27, limit block;28, lead screw;29, hand wheel;3, support seat;31, support;32, electro -hydraulic push rod;33, mold body. DETAILED DESCRIPTION

[0021] The utility model is further explained in connection with the drawings and examples:

[0022] A kind of injection device of high-speed injection molding machine, refer to Figures 1 to 4The utility model relates to a hot melt assembly, including hot melt assembly 1, the front side of hot melt assembly 1 is connected with injection molding machine 11, the middle part of the bottom end of injection molding machine 11 is vertically provided with injection pipe 12, the bottom end of injection pipe 12 is detachably installed with injection head 13, still include dismounting mechanism and cleaning mechanism, dismounting mechanism: for the quick dismounting of injection head 13, and the dismounting mechanism includes two groups of fixed slots 14 and fixed blocks 17, fixed block 17 is movably connected with fixed slot 14, the side of fixed block 17 away from fixed slot 14 is provided with spring 18, two groups of fixed slots 14 are symmetrically opened in the end of injection head 13 away from injection port 21, the both sides of the bottom end of injection pipe 12 are symmetrically provided with adjusting groove 16, two groups of fixed blocks 17 are slidably connected with the adjusting groove 16 of the both sides of injection pipe 12 respectively, spring 18 is placed in adjusting groove 16, and the size of fixed block 17 and fixed slot 14 is matched.

[0023] When needing to install injection head 13, the both sides of the bottom end of injection pipe 12 are pushed into adjusting groove 16, then injection pipe 12 is inserted into injection head 13, when the both sides of fixed block 17 of injection pipe 12 are aligned with the both sides of fixed slot 14 of injection head 13, one end of fixed block 17 is inserted into fixed slot 14 by the elastic force of spring 18, thereby realizing the fixed connection of injection pipe 12 and injection head 13, and vice versa, when needing to dismount and replace injection head 13, just need to push the both sides of fixed block 17 out of fixed slot 14, then injection head 13 can be pulled off, which is convenient and fast.

[0024] Specifically, referring to Figures 1 to 4 Cleaning mechanism: for cleaning the blocked material in injection head 13, the cleaning mechanism includes electro-hydraulic push rod 32 and limiting plate 25, the telescopic end of electro-hydraulic push rod 32 is fixedly connected with the middle part of the upper surface of injection molding machine 11, the middle part of one end of limiting plate 25 is provided with limiting slot 26, limiting block 27 is fixedly installed on the outside of injection head 13, limiting block 27 is movably connected with limiting slot 26, the front side of hot melt assembly 1 is fixedly connected with support 31, injection molding machine 11 is slidably connected on the inside of support 31, electro-hydraulic push rod 32 is fixedly connected on the middle part of the upper surface of support 31, operating port 23 is vertically and throughly formed in the middle part of the bottom end of support 31, sliding groove 24 is symmetrically formed on the both sides of operating port 23, limiting plate 25 is slidably connected with limiting slot 26, one end of the inside of limiting plate 25 is horizontally through and screw-connected with lead screw 28, hand wheel 29 is fixedly installed on the end of lead screw 28 on the outside of support 31, hot melt assembly 1 is fixedly connected on the upper surface of support base 3, mold body 33 is fixedly connected on the upper surface of support base 3, and mold body 33 corresponds to injection head 13.

[0025] When the injection operation is needed, the electro-hydraulic push rod 32 is controlled to work by the corresponding controller, the injection device 11 can be pushed to move downward, the injection head 13 is inserted into the mold body 33 to inject the molten material, when the injection head 13 is blocked and needs to be dredged, the electro-hydraulic push rod 32 is controlled to work, the injection head 13 is moved to the specified position, the limiting block 27 outside the injection head 13 is aligned with the limiting slot 26 of the limiting plate 25, then the staff rotates the hand wheel 29, the screw rod 28 can be driven to rotate, the limiting plate 25 is threadedly connected with the limiting plate 25, during the rotation of the screw rod 28, the limiting slot 26 at one end of the limiting plate 25 can be clamped outside the limiting block 27, so that the injection head 13 is limited and fixed.

[0026] Further, referring to Figures 1 to 4 , the top block 251 is movably connected with the fixed block 17.

[0027] When the limiting plate 25 limits and fixes the injection head 13, the top block 251 above the limiting plate 25 can push the fixed block 17 to move out of the fixed slot 14, so as to automatically release the fixed connection between the injection head 13 and the injection pipe 12.

[0028] It is worth noting that, referring to Figures 1 to 3 , the bottom end of the injection pipe 12 is fixedly installed with a dredging column 22, the dredging column 22 is movably connected with the injection port 21, and the size of the injection pipe 12 is matched with the size of the injection head 13, the bottom end of the injection pipe 12 penetrates to form a discharge port 2, the discharge port 2 is distributed outside the dredging column 22, and the size of the discharge port 2 is matched with the size of the injection port 21.

[0029] After the limiting plate 25 limits and fixes the injection head 13, the electro-hydraulic push rod 32 is controlled to work, the bottom end of the injection pipe 12 can be pushed to move downward in the injection head 13, the dredging column 22 at the bottom end of the injection pipe 12 can automatically clean the blocked material in the injection head 13 and the injection port 21, which is convenient and fast, and it is to be noted that the size of the discharge port 2 is much larger than the size of the injection port 21, so it will not be blocked by impurities, after the injection head 13 is cleaned, the electro-hydraulic push rod 32 drives the injection pipe 12 to move upward, so that the fixed block 17 is aligned with the fixed slot 14, then the hand wheel 29 is reversely rotated to drive the limiting plate 25 to separate from the limiting block 27, under the elastic force of the spring 18, one end of the fixed block 17 can be automatically inserted into the fixed slot 14, so that the injection pipe 12 is fixedly connected with the injection head 13, it is to be noted that the two groups of hand wheels 29 are sequentially rotated to avoid that the limiting plate 25 is simultaneously separated from the limiting block 27, so that the injection head 13 is dropped.

[0030] It is worth noting that, referring to Figure 3The two inner walls on the two sides of the injection head 13 are symmetrically provided with guide grooves 15, the guide grooves 15 are communicated with the fixing grooves 14, and the fixing blocks 17 are slidably connected with the guide grooves 15.

[0031] The guide grooves 15 symmetrically provided on the two inner walls of the injection head 13 can limit the fixing blocks 17 on the two sides of the injection pipe 12, so that the fixing blocks 17 can be quickly inserted into the fixing grooves 14.

[0032] It is worth mentioning that, referring to Figure 3 The outer side of the injection pipe 12 and the insertion end of the injection head 13 is provided with a sealing ring 19, the sealing ring 19 is attached to the inner wall of the injection head 13, the sealing ring 19 can improve the connection sealing performance of the injection pipe 12 and the injection head 13, and the sealing ring 19 is made of high-temperature-resistant material.

[0033] In addition, the components of the utility model are all general standard components or components known by the person skilled in the art, the structure and principle of which can be known by the person skilled in the art through a technical manual or through a conventional experimental method, and the person skilled in the art can completely realize it without unnecessary description, and the content protected by the utility model does not involve the improvement of the internal structure and method.

[0034] The utility model discloses an embodiment discloses a preferable embodiment, but is not limited to this, and the person skilled in the art, the person skilled in the art, easily understands the spirit of the utility model according to the above -mentioned embodiment, and makes different extension and change, but as long as not departing from the spirit of the utility model, is in the protection scope of the utility model.

Claims

1. A high speed injection molding machine injection device, comprising a hot melt assembly (1), the front side of the hot melt assembly (1) is communicated with an injection device (11), characterized in that, The middle part of the bottom end of the injection molding machine (11) is vertically provided with an injection pipe (12), the bottom end of the injection pipe (12) is detachably provided with an injection head (13), and the injection head (13) is provided with a dismounting mechanism and a cleaning mechanism. The dismounting mechanism is used for quick dismounting of the injection head (13), and the dismounting mechanism comprises two groups of fixed grooves (14) and fixed blocks (17), the fixed blocks (17) are movably connected with the fixed grooves (14), and the side, away from the fixed grooves (14), of the fixed blocks (17) is provided with springs (18). The cleaning mechanism is used for cleaning blocked materials in the injection head (13), and the cleaning mechanism comprises an electro-hydraulic push rod (32) and a limiting plate (25), the telescopic end of the electro-hydraulic push rod (32) is fixedly connected with the middle part of the upper surface of the injection molding machine (11), the middle part of one end of the limiting plate (25) is provided with a limiting groove (26), the outer side of the injection head (13) is fixedly provided with a limiting block (27), the limiting block (27) is movably connected with the limiting groove (26), and the bottom end of the injection pipe (12) is fixedly provided with a dredging column (22), the dredging column (22) is movably connected with an injection port (21).

2. A high speed injection molding machine injection unit as claimed in claim 1 wherein, The top block (251) is movably connected with the fixed block (17).

3. A high speed injection molding machine injection unit as claimed in claim 1 wherein, The two groups of fixed grooves (14) are symmetrically arranged at the end, away from the injection port (21), of the injection head (13), the bottom end of the injection pipe (12) is symmetrically provided with adjusting grooves (16) on the two sides, the two groups of fixed blocks (17) are respectively slidably connected with the adjusting grooves (16) on the two sides of the injection pipe (12), the spring (18) is arranged in the adjusting groove (16), and the sizes of the fixed blocks (17) and the fixed grooves (14) are matched.

4. A high speed injection molding machine injection unit as claimed in claim 1 wherein, The front side of the hot melting assembly (1) is fixedly connected with a support (31), the injection molding machine (11) is slidably connected to the inner side of the support (31), the electro-hydraulic push rod (32) is fixedly connected to the middle part of the upper surface of the support (31), the middle part of the bottom end of the support (31) is provided with an operation port (23), the two sides of the operation port (23) are symmetrically provided with sliding grooves (24), the limiting plate (25) is slidably connected with the limiting groove (26), one end of the limiting plate (25) arranged in the inner side of the sliding groove (24) is horizontally penetrated and threadedly connected with a lead screw (28), one end of the lead screw (28) arranged in the outer side of the support (31) is fixedly provided with a hand wheel (29), the hot melting assembly (1) is fixedly connected to the upper surface of a supporting seat (3), the upper surface of the supporting seat (3) is fixedly provided with a mold body (33), and the mold body (33) corresponds to the injection head (13).

5. A high speed injection molding machine injection unit as claimed in claim 1 wherein, The two sides of the inner wall of the injection head (13) are symmetrically provided with guide grooves (15), the guide grooves (15) are communicated with the fixed grooves (14), and the fixed blocks (17) are slidably connected with the guide grooves (15).

6. A high speed injection molding machine injection unit as claimed in claim 1 wherein, The outer side of the joint end of the injection pipe (12) and the injection head (13) is provided with a sealing ring (19), and the sealing ring (19) is attached to the inner wall of the injection head (13). The outer side of the joint end of the injection pipe (12) and the injection head (13) is provided with a sealing ring (19), and the sealing ring (19) is attached to the inner wall of the injection head (13).

7. A high speed injection molding machine injection unit as claimed in claim 1 wherein, The injection tube (12) is matched with the size of the injection head (13), the bottom end of the injection tube (12) is provided with a discharge port (2), the discharge port (2) is distributed on the outer side of the dredging column (22), and the discharge port (2) is matched with the size of the injection port (21).

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