High-precision injection molding machine barrel and polishing device thereof

Abstract

The invention discloses a high-precision injection molding machine barrel and a grinding device thereof. The barrel comprises an injection molding connecting barrel, a fixed channel, an injection molding machine barrel, a connecting shaft washer, a fixed screw, a protective shaft sleeve, an injection molding rod piece and an injection molding nozzle, the grinding device comprises a main machine, a working platform located on the main machine and a mounting base located above the working platform. The injection molding connecting machine barrel and the injection molding machine barrel, the connecting shaft ring and the injection molding machine barrel, the connecting shaft ring and the protective shaft sleeve, and the injection molding rod piece and the protective shaft sleeve are of an assembly structure, maintenance is convenient, and use and installation are flexible; the injection molding nozzle is convenient to maintain and replace after long-time use, and the high-precision and high-efficiency injection molding effect of the injection molding machine is improved. Through the arrangement of the inner grinding machine assembly and the outer grinding machine assembly, grinding of the outer wall and the inner wall in the machine barrel grinding process is achieved, the grinding efficiency is guaranteed, and the working efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of injection molding machines, and in particular relates to a high-precision injection molding machine barrel and a grinding device thereof. Background Art

[0002] The existing utility model patent CN201720661848.8 is a new type of thermoplastic elastomer injection molding machine barrel. It has an independently set injection molding barrel, which can be repaired and used separately, which improves the use range of the injection molding barrel and is more efficient and practical. However, the patent has a fixed structure, and the various parts are not convenient for assembly and maintenance, and the flexibility of use and installation is poor. In particular, the injection molding connection barrel is easily damaged after multiple connections to the injection molding machine, and the injection molding nozzle welded at the end of the injection molding rod also needs to be replaced after long-term use, otherwise it will affect the high-precision and high-efficiency injection molding effect. However, the existing patents and barrels on the market, such as the barrels sold by Yibo Screw, lack assembly structures, so they are not convenient for assembly, maintenance and replacement. And the existing barrel grinding device can only grind the outer surface of the barrel or the inner surface of the barrel, and cannot grind together. Summary of the invention

[0003] The object of the present invention is to provide a high-precision injection molding machine barrel and a grinding device thereof to solve the problems raised in the above background technology.

[0004] The present invention provides the following technical scheme: a high-precision injection molding machine barrel and a grinding device thereof, wherein the barrel comprises an injection molding connecting barrel, a fixed channel, an injection molding barrel, a connecting shaft ring, a fixing screw, a protective sleeve, an injection molding rod, and an injection molding nozzle. The injection molding connecting barrel is provided with a fixed channel, the injection molding barrel is provided with a connecting shaft ring, the connecting shaft ring is connected to the protective sleeve, the protective sleeve is connected to the injection molding rod, and the end of the injection molding rod is welded to the injection molding nozzle; an external threaded tube is provided at one end of the injection molding barrel, an internal threaded tube is provided at the other end of the injection molding barrel, an internal threaded tube is provided at the rear end of the connecting shaft ring and is screwed to the external threaded tube, and an internal threaded tube is provided at the front end of the injection molding connecting barrel and is screwed to the external threaded tube, which are screwed and assembled respectively, the protective sleeve is screwed on the connecting shaft ring, the protective sleeve is provided with a connecting portion, and the connecting portion is provided at the connecting portion. The connecting part is provided with a polygonal connecting port, the injection molding rod is provided with a matching polygonal connecting port which is sleeved on the polygonal connecting port, the inner end of the inner screw tube is provided with a groove, a sealing ring is installed in the groove, and a convex ring located on the external threaded tube is provided at the inner end of the injection molding machine barrel, so that the connecting shaft ring is sealed and screwed on the front end of the injection molding machine barrel, the inner end of the inner screw tube provided at the front end of the injection molding connecting machine barrel is provided with a groove, a sealing ring is installed in the groove, and the inner end of the inner threaded tube provided at the rear end of the injection molding machine barrel is provided with a convex ring, so that the injection molding connecting machine barrel is sealed and screwed on the rear end of the injection molding machine barrel, the protective sleeve is distributed with a plurality of screw holes, the connecting shaft ring is distributed with through holes corresponding to the plurality of screw holes, which are screwed by fixing screws, the outer wall of the polygonal connecting port is provided with studs, and the matching polygonal connecting port is provided with through openings corresponding to the studs, which are fixed by nuts.

[0005] The grinding device includes a main machine, a working platform located on the main machine and a mounting seat located above the working platform, a linear guide rail is installed on the working platform, two ends of the mounting seat are located on the upper end surface of the linear guide rail and are driven by the linear guide rail for horizontal displacement, a grinding unit that can move vertically relative to the main machine is installed on the mounting seat, the grinding unit includes an inner grinder assembly and an outer grinder assembly, the outer grinder assembly is installed on the mounting seat and can move up and down, a frame is provided on the upper end surface of the working platform, a double roller shaft is installed on the frame, the double roller shaft is driven to rotate by a motor, and the inner grinder assembly is located on the side of the frame.

[0006] The internal grinding machine assembly comprises a bracket and an internal grinding motor installed on the bracket, and an internal grinding head is installed at the output end of the internal grinding motor.

[0007] The double roller shafts are at an inclined angle.

[0008] The external grinding machine components all include an external grinding motor and an external grinding head linked to the external grinding motor.

[0009] The mounting seat is equipped with a vertical cylinder assembly, and the vertical cylinder assembly drives the external grinder assembly to move up and down. Beneficial Effects

[0010] The injection molding connecting barrel and the injection molding barrel, the connecting shaft ring and the injection molding barrel, the connecting shaft ring and the protective shaft sleeve, the injection molding rod and the protective shaft sleeve are assembled structures, which are convenient for maintenance and flexible in use and installation. In particular, the injection molding connecting barrel is convenient for maintenance and replacement after being connected to the injection molding machine many times, and the injection molding nozzle is also convenient for maintenance and replacement after long-term use, thereby improving the high-precision and high-efficiency injection molding effect of the injection molding machine.

[0011] The present invention realizes the grinding of the outer wall and the inner wall during the grinding process of the barrel by providing the inner grinder assembly and the outer grinder assembly, thereby ensuring the grinding efficiency and increasing the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the barrel structure; Figure 2 It is a schematic diagram of the structure of the injection molding connecting barrel; Figure 3 It is a schematic diagram of the structure of the injection molding machine barrel; Figure 4 It is a schematic diagram of the exploded structure of the connecting shaft ring, protective sleeve and injection nozzle; Figure 5 It is a schematic diagram of the grinding device structure; Figure 6 This is a top view of the working platform; Figure 7 For internal grinder components; In the figure: injection molding connecting barrel 1, fixing channel 12, groove 13, sealing ring 14, convex ring 15, injection molding barrel 2, external threaded tube 21, internal threaded tube 22, connecting shaft ring 3, internal threaded tube 31, fixing screw 32, protective sleeve 4, screw hole 41, through hole 42, connecting part 44, injection molding rod 5, injection molding nozzle 51, polygonal connecting port 52, matching polygonal connecting port 53, stud 54, through port 55, nut 56, main machine 6, working platform 61, mounting seat 62, linear guide 63, frame 64, double roller shaft 65, motor 66, internal grinding motor 67, internal grinding head 68, external grinding motor 69, external grinding head 70, vertical cylinder assembly 71. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0014] Please refer to the attached drawings. The technical solution provided by the present invention is: a high-precision injection molding machine barrel, including an injection molding connecting barrel 1, a fixed channel 12, an injection molding barrel 2, a connecting shaft ring 3, a fixing screw 32, a protective sleeve 4, an injection molding rod 5, and an injection molding nozzle 51. The injection molding connecting barrel 1 is provided with a fixed channel 12, the injection molding barrel 2 is provided with a connecting shaft ring 3, the connecting shaft ring 3 is connected to the protective sleeve 4, the protective sleeve 4 is connected to the injection molding rod 5, and the end of the injection molding rod 5 is welded to the injection molding nozzle 51; it is a prior art and has been disclosed in the existing patent.

[0015] This application is aimed at the existing patents, which have fixed structures, inconvenient assembly and maintenance of various parts, and poor flexibility in use and installation. In particular, the injection molding connecting barrel is easily damaged after being connected to the injection molding machine many times, and the injection molding nozzle welded at the end of the injection molding rod also needs to be replaced after long-term use, otherwise it will affect the high-precision and high-efficiency injection molding effect. However, the existing patents and barrels on the market, such as the barrels sold by Yibo Screw, lack assembly structures, so they are not convenient for assembly, maintenance and replacement. In this application, the injection molding connecting barrel and the injection molding barrel are sealed and assembled, and the connecting shaft ring and the injection molding barrel are also sealed and assembled. There is also a connecting assembly structure between the protective sleeve and the connecting shaft ring. This makes it convenient to replace the corresponding components according to the needs of use, so as to achieve the effect of high-precision and high-efficiency injection molding.

[0016] This application has been improved on the existing patent: one end of the injection molding barrel 2 is provided with an external threaded tube 21, and the other end of the injection molding barrel 2 is provided with an internal threaded tube 22, and the inner end of the internal threaded tube 22 is provided with a groove 13, and a sealing ring 14 (not marked in the figure) is installed in the groove 13, and one end of the connecting shaft ring 3 is provided with an internal threaded tube 31 that is threadedly connected to the external threaded tube 21, and the front end of the injection molding connecting barrel 1 is provided with an internal threaded tube 31 that is threadedly connected to the external threaded tube 21, and the screw connection assembly, and the injection molding barrel 2 is provided with a convex ring 15 located at the inner end of the external threaded tube 21, so that the connecting shaft ring 3 is sealed and screwed on the front end of the injection molding barrel 2. A sealed screw-mounted structure is formed. The front end of the injection molding connecting barrel 1 is provided with an internal threaded tube 31, and the inner end is provided with a groove 13, and a sealing ring 14 is installed in the groove 13, which is sealed and installed with the convex ring 15, so that the injection molding connecting barrel 1 is sealed and screwed on the rear end of the injection molding barrel 2. A sealed screw-mounted structure is formed. The protective sleeve 4 is screwed on the connecting shaft ring 3, and the protective sleeve 4 is provided with a connecting portion 44, and a polygonal connecting port 52 is provided at one end of the connecting portion 44, and the injection molded rod 5 is provided with a matching polygonal connecting port 53 sleeved on the polygonal connecting port 52. The protective sleeve 4 is provided with a plurality of screw holes 41, and the connecting shaft ring 3 is provided with through holes 42 corresponding to the plurality of screw holes 41, which are screwed by fixing screws 32. The outer wall of the polygonal connecting port 52 is provided with a stud 54, and the matching polygonal connecting port 53 is provided with a through port 55 corresponding to the stud 54, which is fixed by a nut 56. Install and fix.

[0017] The working principle of this application is that when the user wants to use this patent, the injection molding connecting barrel is fixedly installed with the injection molding machine through the fixed channel and the fixed turntable, and then the injection molding connecting barrel is sealed and screwed on the internal threaded tube at the rear end of the injection molding barrel through the external threaded tube, and then the internal threaded tube and the connecting shaft ring at the front end of the injection molding barrel are sealed and screwed, the protective sleeve and the connecting shaft ring are locked through the screw hole and the fixing screw, and then the nozzle is fixed to the protective sleeve through the injection molding rod.

[0018] The grinding device includes a main machine 6, a working platform 61 located on the main machine 6 and a mounting seat 62 located above the working platform 61. A linear guide rail 63 is installed on the working platform 61. Both ends of the mounting seat 62 are located on the upper end surface of the linear guide rail 63 and are driven by the linear guide rail 63 for horizontal displacement. A grinding unit that can move vertically relative to the main machine 6 is installed on the mounting seat 62. The grinding unit includes an inner grinder assembly and an outer grinder assembly. The outer grinder assembly is installed on the mounting seat 62 and can move up and down. A frame 64 is provided on the upper end surface of the working platform 61. A double roller shaft 65 is installed on the frame 64. The double roller shaft 65 is driven to rotate by a motor 66. The inner grinder assembly is located on the side of the frame 64.

[0019] The internal grinding machine assembly includes a bracket and an internal grinding motor 67 mounted on the bracket, and an internal grinding head 68 is installed at the output end of the internal grinding motor 67.

[0020] The double roller shafts 65 are inclined.

[0021] The external grinding machine components all include an external grinding motor 69 and an external grinding head 70 linked to the external grinding motor 69 .

[0022] The mounting seat 62 is mounted with a vertical cylinder assembly 71, and the vertical cylinder assembly 71 drives the outer grinder assembly to move up and down.

[0023] Working process: place the barrel to be polished between the double roller shafts 65, adjust the position by the cylinder, make the outer polishing head 70 fit the outer wall of the barrel, move the barrel to make the inner polishing head 68 fit the inner wall of the barrel, complete the position adjustment, start the motor 66, and then the double roller shaft 65 rotates to drive the barrel to rotate, and because the double roller shaft 65 is at an oblique angle, the barrel will be driven forward while rolling, and at the same time, the outer polishing head 70 and the inner polishing head 68 start working. Because the barrel will move forward, the entire outer wall and inner wall can be polished without displacement of the polishing head.

[0024] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-precision injection molding machine barrel and a grinding device thereof, wherein the barrel comprises an injection molding connecting barrel, a fixed channel, an injection molding barrel, a connecting shaft ring, a fixing screw, a protective sleeve, an injection molding rod, and an injection molding nozzle. The injection molding connecting barrel is provided with a fixed channel, the injection molding barrel is provided with a connecting shaft ring, the connecting shaft ring is connected to the protective sleeve, the protective sleeve is connected to the injection molding rod, and the end of the injection molding rod is welded to the injection molding nozzle; characterized in that: One end of the injection molding barrel is provided with an external threaded tube, the other end of the injection molding barrel is provided with an internal threaded tube, the rear end of the connecting shaft ring is provided with an internal threaded tube screwed to the external threaded tube, the front end of the injection molding connecting barrel is provided with an internal threaded tube screwed to the external threaded tube, which are screwed and assembled respectively, the protective sleeve is screwed on the connecting shaft ring, the protective sleeve is provided with a connecting part, a polygonal connecting port is provided in the connecting part, the injection molding rod is provided with a matching polygonal connecting port sleeved on the polygonal connecting port, the inner end of the internal threaded tube is provided with a groove, a sealing ring is installed in the groove, and a sealing ring is provided at the inner end of the injection molding barrel. The convex ring of the external threaded tube enables the connecting shaft ring to be sealed and screwed on the front end of the injection molding machine barrel. The inner end of the internal threaded tube provided at the front end of the injection molding connecting barrel is provided with a groove, and a sealing ring is installed in the groove. The inner end of the internal threaded tube provided at the rear end of the injection molding machine barrel is provided with a convex ring, so that the injection molding connecting barrel is sealed and screwed on the rear end of the injection molding machine barrel. The protective sleeve is distributed with multiple screw holes, and the connecting shaft ring is distributed with through holes corresponding to the multiple screw holes, which are screwed by fixing screws. The outer wall of the polygonal connecting port is provided with studs, and the matching polygonal connecting port is opened with a through hole corresponding to the studs, which are fixed by nuts.

2. The high-precision injection molding machine barrel and the grinding device thereof according to claim 1, characterized in that: The grinding device includes a main machine, a working platform located on the main machine and a mounting seat located above the working platform, a linear guide rail is installed on the working platform, two ends of the mounting seat are located on the upper end surface of the linear guide rail and are driven by the linear guide rail for horizontal displacement, a grinding unit that can move vertically relative to the main machine is installed on the mounting seat, the grinding unit includes an inner grinder assembly and an outer grinder assembly, the outer grinder assembly is installed on the mounting seat and can move up and down, a frame is provided on the upper end surface of the working platform, a double roller shaft is installed on the frame, the double roller shaft is driven to rotate by a motor, and the inner grinder assembly is located on the side of the frame.

3. The high-precision injection molding machine barrel and the grinding device thereof according to claim 2, characterized in that: The internal grinding machine assembly comprises a bracket and an internal grinding motor installed on the bracket, and an internal grinding head is installed at the output end of the internal grinding motor.

4. The high-precision injection molding machine barrel and the grinding device thereof according to claim 2, characterized in that: The double roller shafts are at an inclined angle.

5. The high-precision injection molding machine barrel and the grinding device thereof according to claim 2, characterized in that: The external grinding machine components all include an external grinding motor and an external grinding head linked to the external grinding motor.

6. The high-precision injection molding machine barrel and the grinding device thereof according to claim 5, characterized in that: The mounting seat is equipped with a vertical cylinder assembly, which drives the external grinder assembly to move up and down.

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