Injection molding machine with injection molding machine nozzle convenient to replace

Abstract

The utility model discloses an injection molding machine convenient for replacing a nozzle of the injection molding machine, and relates to the technical field of injection molding technology. The outer side of the charging barrel is fixedly connected with the outer side of the driver; the inner side of the screw rod is fixedly connected with the output end of the driver, and the screw rod is used for conveying materials; the bottom of the feeding column is fixedly connected with the top of the charging barrel; the top of the mounting seat is fixedly connected with the bottom of the charging barrel; and the outer side of the spray head device is fixedly connected with the side, away from the driver, of the charging barrel, and the spray head device is used for spraying out materials. According to the device, by arranging the spray head device, a worker can conveniently and rapidly mount and dismount a spray head, the spray head is convenient to clean and replace, the spray head replacement time is shortened, the working efficiency is improved, the spray head cooling speed is high, and the worker is prevented from being scalded by high temperature when the spray head is replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding technology, in particular to an injection molding machine which is convenient for replacing a nozzle of the injection molding machine. Background Art

[0002] Injection molding machine, also known as injection molding machine or injection machine, is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. Injection molding machine has the ability to form plastic products with complex appearance, precise size or dense texture with metal inserts in one time. It is widely used in national defense, electromechanics, agriculture, culture, education, health and people's daily life.

[0003] In the prior art, after the injection molding machine has been used for a long time, impurities in the molten plastic will gradually block the nozzle of the injection molding machine. At this time, the nozzle of the injection molding machine needs to be replaced, but the process of disassembling and assembling the nozzle of the existing injection molding machine is relatively complicated, and it is not convenient to replace the nozzle. In order to solve the above problems, we propose an injection molding machine that is easy to replace the nozzle of the injection molding machine. Utility Model Content

[0004] In view of the deficiencies in the prior art, the technical solution adopted by the utility model to solve the technical problems is: an injection molding machine that is easy to replace the nozzle of the injection molding machine, comprising a driver; a barrel, the outer side of the barrel is fixedly connected to the outer side of the driver; a screw, the inner side of the screw is fixedly connected to the output end of the driver, and the screw is used to convey materials; a feed column, the bottom of the feed column is fixedly connected to the top of the barrel; a mounting seat, the top of the mounting seat is fixedly connected to the bottom of the barrel; a nozzle device, the outer side of the nozzle device is fixedly connected to a side of the barrel away from the driver, and the nozzle device is used to spray materials. By setting the nozzle device, the nozzle of the injection molding machine is easy to replace, the staff can easily and quickly install and disassemble the nozzle, and the nozzle is easy to clean and replace, which reduces the time for nozzle replacement, improves work efficiency, and the nozzle cools down quickly, avoiding workers from being scalded by high temperature when replacing the nozzle.

[0005] Preferably, the nozzle device includes a fixed column, the outer side of the fixed column is fixedly connected to the side of the barrel away from the driver, the outer side of the fixed column is fixedly connected to a limiting column, the outer side of the fixed column is slidably connected to a sliding column, a sliding groove is opened in the wall of the sliding column, the inner side of the sliding groove is slidably connected to the outer side of the sliding column, the inner side of the sliding column is fixedly connected to a filtering device, and the outer side of the sliding column is fixedly connected to a protective device. By setting up the nozzle device, the staff can easily and quickly install and disassemble the nozzle, which is convenient for cleaning and replacing the nozzle, reducing the time for replacing the nozzle, and the limiting column and the sliding groove limit the position of the nozzle to avoid the position of the nozzle from shifting.

[0006] Preferably, the filtering device includes a fixed ring, the outer side of the fixed ring is fixedly connected to the inner side of the sliding column, and the inner side of the fixed ring is fixedly connected with a sieve plate. By setting up the filtering device to filter the raw materials, the filtering performance of the nozzle is enhanced and the influence of impurities in the raw materials on the quality of the finished product is reduced.

[0007] Preferably, a compression spring is fixedly connected to a side of the fixing ring close to the barrel, a sliding plate is fixedly connected to a side of the compression spring away from the fixing ring, a fixing plate is fixedly connected to a side of the fixing ring close to the compression spring, and an outer side of the fixing plate is slidably connected to an outer side of the sliding plate. By arranging the sliding plate and the compression spring, the sealing between the sliding column and the fixed column is enhanced through contact deformation between the sliding plate and the fixed column to prevent raw material overflow.

[0008] Preferably, the protective device includes a shell, the inner side of the shell is fixedly connected to the outer side of the sliding column, a cooling water pipe is provided on the side of the shell close to the sliding column, and a handle is fixedly connected to the outer side of the shell. By providing the protective device, the cooling speed of the nozzle is accelerated to prevent the staff from being scalded by high temperature, and the protective device is at a certain distance from the sliding column, so that the hands are away from the sliding column, further preventing the nozzle from scalding the hands.

[0009] The beneficial effects of the utility model are as follows:

[0010] 1. The utility model provides a nozzle device so that the staff can quickly and easily install and disassemble the nozzle, clean and replace the nozzle, and reduce the time of nozzle replacement. The limit column and the slide groove limit the position of the nozzle to avoid the position of the nozzle from being offset.

[0011] 2. The utility model accelerates the cooling speed of the nozzle by arranging a protective device to prevent workers from being scalded by high temperature. The protective device is at a certain distance from the sliding column, so that the hands of the workers are away from the sliding column, further preventing the nozzle from scalding the hands of the workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is the front view of the utility model;

[0013] Figure 2 It is a cross-sectional view of the utility model;

[0014] Figure 3 It is a structural sectional view of the nozzle device of the utility model;

[0015] Figure 4 It is a structural explosion diagram of the nozzle device of the utility model;

[0016] Figure 5 It is a structural cross-sectional view of the filter device of the utility model;

[0017] Figure 6 It is a structural schematic diagram of the protective device of the utility model.

[0018] In the figure: 1. driver; 2. barrel; 3. screw; 4. feed column; 5. mounting seat; 6. nozzle device; 61. fixed column; 62. limit column; 63. sliding column; 64. slide; 65. filter device; 651. fixed ring; 652. sieve plate; 653. compression spring; 654. fixed plate; 655. sliding plate; 66. protective device; 661. housing; 662. cooling water pipe; 663. handle. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific purposes.

[0020] Example:

[0021] See also Figure 1-Figure 6 The utility model provides a technical solution: an injection molding machine that is easy to replace the injection molding machine nozzle, including a driver 1; a barrel 2, the outer side of the barrel 2 is fixedly connected to the outer side of the driver 1; a screw 3, the inner side of the screw 3 is fixedly connected to the output end of the driver 1, and the screw 3 is used to convey materials; a feed column 4, the bottom of the feed column 4 is fixedly connected to the top of the barrel 2; a mounting seat 5, the top of the mounting seat 5 is fixedly connected to the bottom of the barrel 2; a nozzle device 6, the outer side of the nozzle device 6 is fixedly connected to the side of the barrel 2 away from the driver 1, and the nozzle device 6 is used to spray materials. When in use, the injection molding machine is fixed by the mounting seat 5, and the raw materials are fed into the feed column 4, and the raw materials fall downward along the feed column 4 to Inside the barrel 2, the driver 1 drives the screw 3 to rotate, and the screw 3 drives the raw material to move forward along the barrel 2. The raw material is heated to a molten state, and the molten raw material moves along the barrel 2 to the nozzle device 6, and then is sprayed from the nozzle device 6 into the mold. The raw material is injection molded inside the mold. After the nozzle device 6 has been used for a long time, the nozzle is prone to clogging. At this time, the nozzle device 6 is removed for cleaning and replacement. By setting the nozzle device 6, the nozzle of the injection molding machine is easy to replace. The staff can easily and quickly install and disassemble the nozzle, which is convenient for cleaning and replacement of the nozzle, reducing the time for nozzle replacement, speeding up work efficiency, and the nozzle cooling speed is faster, avoiding workers from being scalded by high temperature when replacing the nozzle.

[0022] The nozzle device 6 includes a fixed column 61, the outer side of the fixed column 61 is fixedly connected to the side of the barrel 2 away from the driver 1, the outer side of the fixed column 61 is fixedly connected to the limit column 62, the outer side of the fixed column 61 is slidably connected to the sliding column 63, a sliding groove 64 is opened in the wall of the sliding column 63, the inner side of the sliding groove 64 is slidably connected to the outer side of the sliding column 63, the inner side of the sliding column 63 is fixedly connected to the filtering device 65, and the outer side of the sliding column 63 is fixedly connected to the protective device 66. When in use, the raw material enters the fixed column 61 along the barrel 2, and then flows along the fixed column 61 to the At the filter device 65, the filter device 65 filters the raw materials, and the filtered raw materials flow to the outside along the sliding column 63. During installation, the slide groove 64 in the sliding column 63 is aligned with the limiting column 62, and the sliding column 63 is slid downward along the limiting column 62, and then the sliding column 63 and the fixed column 61 are fixed by bolts. By setting the nozzle device 6, the staff can easily and quickly install and disassemble the nozzle, which is convenient for cleaning and replacing the nozzle, reducing the time for replacing the nozzle, and the limiting column 62 and the slide groove 64 limit the position of the nozzle to avoid the position of the nozzle from being offset.

[0023] The filtering device 65 includes a fixed ring 651, the outer side of the fixed ring 651 is fixedly connected to the inner side of the sliding column 63, and the inner side of the fixed ring 651 is fixedly connected with a sieve plate 652. During installation, the sliding column 63 drives the fixed ring 651 to move toward the fixed column 61, and the fixed ring 651 drives the sieve plate 652 to move toward the fixed column 61. By setting up the filtering device 65 to filter the raw materials, the filtering performance of the nozzle is enhanced, and the influence of impurities in the raw materials on the quality of the finished product is reduced.

[0024] A compression spring 653 is fixedly connected to the side of the fixing ring 651 close to the barrel 2, and a sliding plate 655 is fixedly connected to the side of the compression spring 653 away from the fixing ring 651. A fixing plate 654 is fixedly connected to the side of the fixing ring 651 close to the compression spring 653. The outer side of the fixing plate 654 is slidably connected to the outer side of the sliding plate 655. When in use, the fixing ring 651 drives the compression spring 653 and the sliding plate 655 to move toward the fixing column 61, and the bottom of the sliding plate 655 contacts the fixing column 61, and the sliding The movable plate 655 is subjected to the reaction force of the fixed column 61, and the sliding plate 655 slides along the fixed plate 654. The sliding plate 655 drives the compression spring 653 to be compressed, and the compression spring 653 drives the sliding plate 655 to be pressed tightly against the surface of the fixed column 61, thereby enhancing the sealing between the sliding column 63 and the fixed column 61. By setting the sliding plate 655 and the compression spring 653, the contact deformation between the sliding plate 655 and the fixed column 61 can enhance the sealing between the sliding column 63 and the fixed column 61, thereby preventing the raw material from overflowing.

[0025] The protective device 66 includes a shell 661, the inner side of the shell 661 is fixedly connected to the outer side of the sliding column 63, a cooling water pipe 662 is sleeved on one side of the shell 661 close to the sliding column 63, and a handle 663 is fixedly connected to the outer side of the shell 661. When removing, the cooling water pipe 662 is connected to an external water source, and the external water source sends cooling water into the cooling water pipe 662, and the cooling speed of the nozzle is accelerated by water cooling. Then, the handles 663 on both sides of the protective device 66 are held, and the shell 661 is driven to move outward by the handles 663, and the shell 661 drives the sliding column 63 to move outward, and the sliding column 63 moves outward along the fixed column 61 until the sliding column 63 is away from the fixed column 61, and then the nozzle is cleaned and replaced. By setting the protective device 66, the cooling speed of the nozzle is accelerated to prevent the staff from being scalded by high temperature, and the protective device 66 is at a certain distance from the sliding column 63, so that the hands are away from the sliding column 63, further preventing the nozzle from scalding the hands.

[0026] Working principle:

[0027] When in use, the mounting seat 5 fixes the injection molding machine, and the raw material is fed into the feed column 4. The raw material falls downward along the feed column 4 into the barrel 2. The driver 1 drives the screw 3 to rotate, and the screw 3 drives the raw material to move forward along the barrel 2. The raw material is heated to a molten state, and the molten raw material enters the fixed column 61 along the barrel 2, and then flows along the fixed column 61 to the filter device 65. The filter device 65 filters the raw material, and the filtered raw material flows to the outside along the sliding column 63. The raw material is sprayed from the nozzle device 6 into the mold, and the raw material is injection molded inside the mold;

[0028] After long-term use, the nozzle is prone to clogging. At this time, the cooling water pipe 662 is connected to the external water source, and the external water source sends cooling water into the cooling water pipe 662 to accelerate the cooling speed of the nozzle through water cooling. Then, the handles 663 on both sides of the protective device 66 are held, and the outer shell 661 is driven to move outward through the handles 663. The outer shell 661 drives the sliding column 63 to move outward, and the sliding column 63 moves outward along the fixed column 61 until the sliding column 63 is away from the fixed column 61. Then, the nozzle is cleaned and replaced;

[0029] When installing the nozzle device 6, align the sliding groove 64 in the sliding column 63 with the limiting column 62, slide the sliding column 63 downward along the limiting column 62, and then fix the sliding column 63 and the fixed column 61 by bolts. At the same time, the sliding column 63 drives the fixing ring 651 to move in the direction of the fixed column 61, the fixing ring 651 drives the screen plate 652 to move in the direction of the fixed column 61, the fixing ring 651 drives the compression spring 653 and the sliding plate 655 to move in the direction of the fixed column 61, the bottom of the sliding plate 655 contacts the fixed column 61, the sliding plate 655 is subjected to the reaction force of the fixed column 61, the sliding plate 655 slides along the fixing plate 654, the sliding plate 655 drives the compression spring 653 to be compressed, the compression spring 653 drives the sliding plate 655 to be pressed tightly against the surface of the fixed column 61, thereby strengthening the sealing between the sliding column 63 and the fixed column 61.

[0030] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. An injection molding machine that is easy to replace the injection molding machine nozzle, characterized in that: include: Driver (1); A barrel (2), the outer side of the barrel (2) being fixedly connected to the outer side of the driver (1); A screw (3), the inner side of which is fixedly connected to the output end of the driver (1), and the screw (3) is used to transport materials; A feeding column (4), the bottom of which is fixedly connected to the top of the barrel (2); A mounting seat (5), the top of which is fixedly connected to the bottom of the barrel (2); A nozzle device (6), the outer side of which is fixedly connected to a side of the barrel (2) away from the driver (1), and the nozzle device (6) is used to spray out materials.

2. The injection molding machine for facilitating replacement of the injection molding machine nozzle according to claim 1, characterized in that: The nozzle device (6) comprises a fixed column (61), the outer side of the fixed column (61) is fixedly connected to the side of the barrel (2) away from the driver (1), the outer side of the fixed column (61) is fixedly connected to a limiting column (62), the outer side of the fixed column (61) is slidably connected to a sliding column (63), a sliding groove (64) is opened in the wall of the sliding column (63), and the inner side of the sliding groove (64) is slidably connected to the outer side of the sliding column (63).

3. The injection molding machine for facilitating replacement of the injection molding machine nozzle according to claim 2, characterized in that: The inner side of the sliding column (63) is fixedly connected with a filtering device (65), and the outer side of the sliding column (63) is fixedly connected with a protective device (66).

4. The injection molding machine for facilitating replacement of the injection molding machine nozzle according to claim 3, characterized in that: The filtering device (65) comprises a fixing ring (651), the outer side of the fixing ring (651) is fixedly connected to the inner side of the sliding column (63), and the inner side of the fixing ring (651) is fixedly connected to a sieve plate (652).

5. The injection molding machine for facilitating replacement of the injection molding machine nozzle according to claim 4, characterized in that: A compression spring (653) is fixedly connected to the side of the fixing ring (651) close to the barrel (2), a sliding plate (655) is fixedly connected to the side of the compression spring (653) away from the fixing ring (651), a fixing plate (654) is fixedly connected to the side of the fixing ring (651) close to the compression spring (653), and the outer side of the fixing plate (654) is slidably connected to the outer side of the sliding plate (655).

6. The injection molding machine for facilitating replacement of the injection molding machine nozzle according to claim 3, characterized in that: The protective device (66) comprises a shell (661), the inner side of the shell (661) is fixedly connected to the outer side of the sliding column (63), a cooling water pipe (662) is sleeved on the side of the shell (661) close to the sliding column (63), and a handle (663) is fixedly connected to the outer side of the shell (661).

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