Longitudinal injection mechanism of quick disassembly type injection molding machine

Abstract

The utility model provides a quick-disassembly type longitudinal injection mechanism of an injection molding machine, which comprises core components such as an injection barrel and a feeding screw rod, and auxiliary structures such as an injection table base, a guide post and a quick-disassembly assembly. Through the cooperation of the sliding groove and the first guide column and the linkage of the second guide column and the quick disassembly assembly, the quick disassembly and assembly of the glue injection front plate, the glue injection rear plate and the supporting assembly are realized, and the production efficiency is improved. The quick-release assembly is simple in structure and convenient to operate, and mechanism stability is ensured. The sliding lining layer reduces abrasion and prolongs the service life. The two second guide columns are located on the upper side and the lower side of the glue melting motor, and space layout is optimized. The oil path of the injection moving oil cylinder is optimized, and the service life is prolonged. The device is reasonable in structure, simple and convenient to operate and wide in application prospect.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machines, in particular to a quick-detachable longitudinal injection mechanism of an injection molding machine. Background Art

[0002] As an important equipment in the plastic processing industry, the injection mechanism of the injection molding machine is a key component to ensure the molding quality of plastic products. With the growing demand for plastic products, higher requirements are placed on the production efficiency, stability and maintenance convenience of the injection molding machine. The design of the traditional injection molding machine injection mechanism often focuses on its functionality, while the disassembly and installation are relatively cumbersome, which not only affects the production efficiency, but also increases the maintenance cost.

[0003] The utility model with application number CN202222619447.X provides a glue injection mechanism for an injection molding machine, which includes a driving seat, a glue feeding screw and an outer sleeve. The glue feeding screw is connected to the driving head of the driving seat for rotation. The outer sleeve is sleeved on the outside of the glue feeding screw and is sealed with the driving seat. A glue feeding interval is formed between the outer sleeve and the glue feeding screw and a glue outlet is provided at the front end of the outer sleeve. The outer surface of the glue feeding screw is provided with a first iron layer, and the inner side of the outer sleeve is provided with a second iron layer. An eddy current coil for heating the first iron layer and the second iron layer is wound on the outer sleeve.

[0004] However, the above patent technology improves the injection efficiency by optimizing the structure of the injection mechanism, or improves the injection accuracy by improving the driving mode of the injection cylinder and the melt motor. However, the above patent does not provide a specific improvement plan for the disassembly and installation of the injection mechanism, which still causes many inconveniences in actual operation.

[0005] In addition, although some patents mention modular designs of injection mechanisms to improve the convenience of maintenance, these modular designs are often complex and large, resulting in cumbersome disassembly and installation processes. Especially when the injection mechanism needs to be quickly replaced or repaired, these designs often cannot meet the high-efficiency requirements of the production site. Utility Model Content

[0006] The purpose of the utility model is to provide a quick-disassembly type injection molding machine longitudinal injection mechanism to solve the problems raised in the above background technology:

[0007] (1) How to optimize the structure to make the injection molding machine's injection mechanism capable of rapid disassembly and installation, simplify the disassembly and installation process of the injection mechanism, improve production efficiency, and reduce maintenance costs.

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] A quick-detachable injection molding machine longitudinal injection mechanism, comprising an injection barrel, a feeding screw, an injection oil cylinder, a melt motor, an injection front plate, and an injection rear plate. The injection barrel is supported on the injection front plate, the feeding screw extends into the injection barrel, the melt motor drives the feeding screw to rotate, the injection oil cylinder is supported on the injection rear plate, and the injection oil cylinder controls the melt motor to move to and from the feeding screw.

[0010] The quick-detachable injection molding machine longitudinal injection mechanism also includes a shooting platform base, a support assembly, a plurality of first guide pillars, a plurality of second guide pillars and a plurality of quick-detachable assemblies;

[0011] A plurality of first guide pillars are sequentially and parallelly fixedly arranged on the base of the shooting platform, the front plate and the rear plate are respectively located on the upper side of the base of the shooting platform, the front plate and the rear plate are respectively provided with a plurality of sliding grooves, the plurality of sliding grooves of the front plate or the rear plate correspond to the plurality of first guide pillars one by one, the cross-sectional shape of the sliding groove is semicircular and the groove wall profile of the sliding groove matches the outer wall of the first guide pillar, and the sliding groove cooperates with the corresponding first guide pillar;

[0012] A plurality of second guide posts are arranged in parallel in sequence, and the direction of the second guide posts is consistent with that of the first guide posts. The second guide posts sequentially penetrate the injection front plate and the injection rear plate, and the front end of the second guide post extends out of the front side of the injection front plate, and the rear end of the second guide post extends out of the rear side of the injection rear plate;

[0013] The two side ends of the second guide column are respectively provided with quick-release components, which include a positioning plate and a plurality of positioning bolts. The end of the positioning plate abuts against the end surface of the second guide column extending from the front side of the injection molding front plate or the rear side of the injection molding rear plate. The plurality of positioning bolts penetrate the positioning plate and are threadedly engaged with the injection molding front plate or the injection molding rear plate.

[0014] The support assembly includes a motor mounting seat and a push plate. The two sides of the melt motor are detachably connected to the motor mounting seat and the push plate respectively. The motor mounting seat and the push plate are also respectively provided with a plurality of sliding grooves. The plurality of sliding grooves of the motor mounting seat or the push plate correspond to the plurality of first guide pillars one by one. The cross-sectional shape of the sliding groove is semicircular and the groove wall profile of the sliding groove matches the outer wall of the first guide pillar. The sliding groove cooperates with the corresponding first guide pillar. The motor mounting seat and the push plate are also respectively provided with a plurality of guide holes. The motor mounting seat and the push plate cooperate with the plurality of second guide pillars through the guide holes. The motor mounting seat and the push plate can reciprocate along the direction of the second guide pillars.

[0015] The center lines of the plurality of second guide pillars are all on the same vertical plane.

[0016] On the basis of the above technical solution, the present invention can also be improved as follows.

[0017] Furthermore, the outer wall of the end of the second guide post extending out of the front side of the injection molding front plate and the rear side of the injection molding rear plate is provided with a thread;

[0018] The quick-release assembly also includes an adjusting nut and an anti-slip bolt. The adjusting nut is threadedly matched with the end of the second guide column, and the anti-slip bolt is threadedly matched with the positioning plate. The end of the anti-slip bolt passes through the positioning plate and abuts against the end face of the adjusting nut.

[0019] Furthermore, the support assembly also includes a plurality of connecting rods, and the motor mounting seat and the push plate are detachably connected through the connecting rods.

[0020] Furthermore, a sliding bushing layer matching with the first guide column is attached to the inner wall of the sliding groove of the injection molding front plate, the injection molding rear plate, the motor mounting seat and the push plate;

[0021] The inner walls of the guide holes of the motor mounting seat and the push plate are also provided with a sliding bushing layer that cooperates with the second guide column.

[0022] Furthermore, the longitudinal injection mechanism of the quick-detachable injection molding machine includes two second guide pillars, and the two second guide pillars are respectively located on the upper and lower sides of the melt motor.

[0023] Furthermore, the longitudinal injection mechanism of the quick-detachable injection molding machine also includes an injection cylinder, the cylinder body of which is fixedly connected to the lower side of the injection front plate, and the end of the piston rod of which is fixedly connected to the rear side of the injection platform base.

[0024] The beneficial effects of the utility model are:

[0025] 1) The utility model can quickly disassemble and install the injection molding front plate, injection molding rear plate and support assembly by designing the cooperation between the sliding groove and the first guide column, and the cooperation between the second guide column and the quick-release assembly, thereby improving production efficiency.

[0026] 2) The quick-release assembly of the utility model has a simple structure and is easy to operate. It can quickly locate and fix the second guide column, thereby ensuring the stability of the injection mechanism.

[0027] 3) The sliding bushing layer can make the injection molding front plate, injection molding rear plate, motor mounting seat and push plate move more smoothly, reduce the wear of the injection molding front plate, injection molding rear plate, motor mounting seat and push plate, and increase the service life of each component.

[0028] 4) The two second guide pillars are respectively located on the upper and lower sides of the melt motor, which can reduce the horizontal space occupied by the longitudinal injection mechanism of the quick-disassembly injection molding machine and facilitate reasonable space planning.

[0029] 5) The cylinder body of the shooting cylinder is fixedly connected to the lower side of the injection front plate, and the end of the piston rod of the shooting cylinder is fixedly connected to the rear side of the shooting platform base. This structure can optimize the oil circuit of the shooting cylinder. When the shooting platform moves, the oil pressure on the piston of the shooting cylinder body is reduced, thereby extending the service life of the shooting cylinder.

[0030] In summary, the utility model provides a quick-detachable longitudinal injection mechanism for an injection molding machine with a reasonable structure and easy operation, and has a wide range of application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a stereoscopic diagram of an embodiment of the longitudinal injection mechanism of the quick-disassembly injection molding machine.

[0032] Figure 2 It is a top view of an embodiment of the longitudinal injection mechanism of the quick-detachable injection molding machine.

[0033] Figure 3 yes Figure 2 Section view along AA.

[0034] Figure 4 It is a stereoscopic view of the injection front plate, the motor mounting seat, the second guide column and the quick-release assembly in the embodiment of the longitudinal injection mechanism of the quick-detachable injection molding machine.

[0035] Figure 5 It is a schematic diagram of the second guide column and the quick-release assembly in the embodiment of the longitudinal injection mechanism of the quick-release injection molding machine.

[0036] Description of the numbers in the figure:

[0037] Injection tube-100; feeding screw-200; injection cylinder-300; melt motor-400; injection front plate-510; injection rear plate-520; injection platform base-530; injection cylinder-540; first guide column-610; second guide column-620; motor mounting seat-710; push plate-720; connecting rod-730; quick release assembly-800; positioning plate-810; adjusting nut-820; anti-drop bolt-830; positioning bolt-840; sliding groove-910; sliding bushing layer-930. DETAILED DESCRIPTION

[0038] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model is described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific implementation disclosed below.

[0039] The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementations.

[0040] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0041] See also Figures 1 to 5 .

[0042] The vertical injection mechanism of the quick-detachable injection molding machine includes an injection barrel 100, a feeding screw 200, an injection cylinder 300, a melt motor 400, an injection front plate 510, an injection rear plate 520, a shooting platform base 530, an injection cylinder 540, a support assembly, two first guide pillars 610, two second guide pillars 620 and four sets of quick-detachable assemblies 800.

[0043] The injection cylinder 100 is supported on the injection front plate 510, the feeding screw 200 extends into the injection cylinder 100, the melt motor 400 drives the feeding screw 200 to rotate, the injection cylinder 300 is supported on the injection rear plate 520, and the injection cylinder 300 controls the reciprocating position of the melt motor 400;

[0044] Two first guide pillars 610 are fixedly welded and arranged on the shooting platform base 530 in parallel in sequence. The injection front plate 510 and the injection rear plate 520 are respectively located on the upper side of the shooting platform base 530. The injection front plate 510 and the injection rear plate 520 are respectively provided with two sliding grooves 910. The two sliding grooves 910 of the injection front plate 510 or the injection rear plate 520 correspond to the two first guide pillars 610 one by one. The cross-sectional shape of the sliding groove 910 is semicircular and the groove wall profile of the sliding groove 910 matches the outer wall of the first guide pillar 610. The sliding groove 910 cooperates with the corresponding first guide pillar 610.

[0045] The two second guide posts 620 are arranged in parallel in sequence, and the center lines of the two second guide posts 620 are on the same horizontal plane. The direction of the second guide posts 620 is consistent with that of the first guide posts. The second guide posts 620 pass through the injection molding front plate 510 and the injection molding rear plate 520 in sequence. The front end of the second guide post 620 extends out of the front side of the injection molding front plate 510, and the rear end of the second guide post 620 extends out of the rear side of the injection molding rear plate 520. The outer wall of the end of the second guide post 620 extending out of the front side of the injection molding front plate 510 and the rear side of the injection molding rear plate 520 is provided with a thread.

[0046] The two side ends of the second guide column 620 are respectively provided with quick-release assemblies 800, which include a positioning plate 810, an adjusting nut 820, an anti-dropping bolt 830 and four positioning bolts 840. The end of the positioning plate 810 abuts against the end face of the second guide column 620 extending from the front side of the injection molding front plate 510 or the rear side of the injection molding rear plate 520. The four positioning bolts 840 are distributed in a rectangular shape. After the four positioning bolts 840 penetrate the positioning plate 810, they are threadedly engaged with the injection molding front plate 510 or the injection molding rear plate 520.

[0047] The adjusting nut 820 is threadedly matched with the end of the second guide column 620 , and the anti-dropping bolt 830 is threadedly matched with the positioning plate 810 . The end of the anti-dropping bolt 830 passes through the positioning plate 810 and abuts against the end face of the adjusting nut 820 .

[0048] The supporting assembly includes a motor mounting seat 710, a push plate 720 and four connecting rods 730. The two sides of the melt motor 400 are detachably connected to the motor mounting seat 710 and the push plate 720 respectively. The motor mounting seat 710 and the push plate 720 are also respectively provided with two sliding grooves 910. The sliding grooves 910 of the motor mounting seat 710 or the push plate 720 have the same structure as the sliding grooves 910 of the injection molding front plate 510 or the injection molding rear plate 520. The two sliding grooves 910 of the motor mounting seat 710 or the push plate 720 are connected to the two The first guide pillars 610 correspond one to one, the cross-sectional shape of the sliding groove 910 is semicircular and the groove wall contour of the sliding groove 910 fits the outer wall of the first guide pillar 610, the sliding groove 910 cooperates with the corresponding first guide pillar 610, the motor mounting seat 710 and the push plate 720 also have two guide holes respectively, the motor mounting seat 710 and the push plate 720 cooperate with the two second guide pillars 620 through the guide holes, and the motor mounting seat 710 and the push plate 720 can move back and forth along the direction of the second guide pillar 620.

[0049] The four connecting rods 730 are distributed in pairs on both sides of the motor mounting seat 710 and the push plate 720. The motor mounting seat 710 and the push plate 720 are detachably connected through the four connecting rods 730 (detachably connected through threaded fitting).

[0050] The inner walls of the sliding grooves 910 of the injection molding front plate 510 , the injection molding rear plate 520 , the motor mounting seat 710 and the push plate 720 are provided with sliding bushing layers 930 that cooperate with the first guide pillars 610 .

[0051] The inner walls of the guide holes of the motor mounting seat 710 and the push plate 720 are also provided with a sliding bushing layer 930 that cooperates with the second guide column 620 .

[0052] The cylinder body of the shooting and displacement oil cylinder 540 is installed on the lower side of the injection front plate 510 by bolts, and the piston rod end of the shooting and displacement oil cylinder 540 is installed on the rear side of the shooting platform base 530 by bolts. This structure can optimize the oil circuit of the shooting and displacement oil cylinder 540, reduce the oil pressure on the cylinder body piston of the shooting and displacement oil cylinder 540 during the glue extraction action, and extend the service life of the shooting and displacement oil cylinder 540.

[0053] If, during use, a component such as a running sol motor fails, the connection of the quick-release assembly 800 can be removed, and then the second guide column 620 can be removed to directly replace the failed component without disassembling the entire vertical injection mechanism of the quick-release injection molding machine. This makes the disassembly and installation of the injection mechanism simpler and faster, thereby improving production efficiency and reducing maintenance costs, and has a good application prospect.

[0054] The above is only one embodiment of the present invention. It should be pointed out that a person skilled in the art can make several modifications and improvements without departing from the principle of the present invention, and these should also be regarded as belonging to the protection scope of the present invention.

Claims

1. A quick-detachable injection molding machine longitudinal injection mechanism, comprising an injection barrel (100), a feeding screw (200), an injection cylinder (300), a melt motor (400), an injection front plate (510), and an injection rear plate (520), wherein the injection barrel (100) is supported on the injection front plate (510), the feeding screw (200) extends into the injection barrel (100), the melt motor (400) drives the feeding screw (200) to rotate, the injection cylinder (300) is supported on the injection rear plate (520), and the injection cylinder (300) controls the reciprocating movement of the melt motor (400) and the feeding screw (200); Features: The quick-detachable injection molding machine longitudinal injection mechanism also includes an injection platform base (530), a support assembly, a plurality of first guide pillars (610), a plurality of second guide pillars (620) and a plurality of quick-detachable assemblies (800); A plurality of first guide pillars (610) are sequentially and parallelly fixedly arranged on the shooting platform base (530); the injection front plate (510) and the injection rear plate (520) are respectively located on the upper side of the shooting platform base (530); the injection front plate (510) and the injection rear plate (520) are respectively provided with a plurality of sliding grooves (910); the plurality of sliding grooves (910) of the injection front plate (510) or the injection rear plate (520) correspond to the plurality of first guide pillars (610) one by one; the cross-sectional shape of the sliding groove (910) is semicircular and the groove wall profile of the sliding groove (910) matches the outer wall of the first guide pillar (610); the sliding groove (910) cooperates with the corresponding first guide pillar (610); A plurality of second guide pillars (620) are arranged in parallel in sequence, the direction of the second guide pillars (620) is consistent with the direction of the first guide pillars, the second guide pillars (620) sequentially penetrate the injection molding front plate (510) and the injection molding rear plate (520), the front end of the second guide pillar (620) extends out of the front side of the injection molding front plate (510), and the rear end of the second guide pillar (620) extends out of the rear side of the injection molding rear plate (520); The two side ends of the second guide column (620) are respectively provided with quick-release components (800), and the quick-release components (800) include a positioning plate (810) and a plurality of positioning bolts (840), the end of the positioning plate (810) abuts against the end surface of the second guide column (620) extending from the front side of the injection molding front plate (510) or the rear side of the injection molding rear plate (520), and the plurality of positioning bolts (840) penetrate the positioning plate (810) and are threadedly engaged with the injection molding front plate (510) or the injection molding rear plate (520); The support assembly includes a motor mounting seat (710) and a push plate (720). The two sides of the melt motor (400) are detachably connected to the motor mounting seat (710) and the push plate (720). The motor mounting seat (710) and the push plate (720) are also respectively provided with a plurality of sliding grooves (910). The plurality of sliding grooves (910) of the motor mounting seat (710) or the push plate (720) correspond to the plurality of first guide pillars (610) one by one. The cross-sectional shape of the sliding groove (910) is: The groove wall profile of the semicircular sliding groove (910) matches the outer wall of the first guide column (610), the sliding groove (910) matches the corresponding first guide column (610), the motor mounting seat (710) and the push plate (720) are also respectively provided with a plurality of guide holes, the motor mounting seat (710) and the push plate (720) are matched with a plurality of second guide columns (620) through the guide holes, and the motor mounting seat (710) and the push plate (720) can reciprocate along the direction of the second guide column (620); The center lines of the plurality of second guide pillars (620) are all located on the same vertical plane.

2. The quick-detachable longitudinal injection molding machine according to claim 1 is characterized in that: The outer wall of the end of the second guide column (620) extending out of the front side of the injection molding front plate (510) and the rear side of the injection molding rear plate (520) is provided with a thread; The quick-release assembly (800) further comprises an adjusting nut (820) and an anti-detachment bolt (830), wherein the adjusting nut (820) is threadedly matched with the end of the second guide column (620), the anti-detachment bolt (830) is threadedly matched with the positioning plate (810), and the end of the anti-detachment bolt (830) passes through the positioning plate (810) and abuts against the end face of the adjusting nut (820).

3. The quick-detachable longitudinal injection molding machine according to claim 1 is characterized in that: The support assembly further comprises a plurality of connecting rods (730), and the motor mounting seat (710) and the push plate (720) are detachably connected via the connecting rods (730).

4. The quick-detachable vertical injection mechanism of the injection molding machine according to claim 1 is characterized in that: The inner walls of the sliding grooves (910) of the injection molding front plate (510), the injection molding rear plate (520), the motor mounting seat (710) and the push plate (720) are provided with sliding bushing layers (930) that cooperate with the first guide pillars (610); The inner walls of the guide holes of the motor mounting seat (710) and the push plate (720) are also provided with a sliding bushing layer (930) that cooperates with the second guide column (620).

5. The quick-detachable vertical injection molding machine according to claim 1 is characterized in that: The vertical injection mechanism of the quick-detachable injection molding machine comprises two second guide pillars (620), and the two second guide pillars (620) are respectively located at the upper and lower sides of the melt motor (400).

6. The quick-detachable vertical injection molding machine according to claim 1 is characterized in that: The vertical injection mechanism of the quick-detachable injection molding machine further comprises an injection cylinder (540), the cylinder body of the injection cylinder (540) is fixedly connected to the lower side of the injection front plate (510), and the end of the piston rod of the injection cylinder (540) is fixedly connected to the rear side of the injection platform base (530).

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