Injection molding machine for pen shell processing

Abstract

The utility model discloses an injection molding machine for processing a pen shell. The injection molding machine comprises a workbench, an injection molding mechanism and a material injection mechanism, an injection molding frame is arranged on the left side of the upper surface of the workbench; the injection molding mechanism comprises a sliding rod, a displacement frame, a right side abutting mold, a mold mounting plate, a static mold, transverse forming chambers and a left side abutting mold, the static mold is arranged on the inner wall of the upper side of the injection molding frame, the transverse forming chambers which are evenly distributed are arranged in the middle of the static mold, and the transverse forming chambers are communicated with one another; sliding rods which are uniformly distributed are arranged between the left inner wall and the right inner wall of the injection molding frame, the outer arc surfaces of the four sliding rods are slidably connected with four corners of a displacement frame, a mold mounting plate is arranged on the inner wall of the left side of the displacement frame, left side abutting molds which are uniformly distributed are arranged at the right end of the mold mounting plate, and right side abutting molds which are uniformly distributed are arranged on the inner wall of the right side of the displacement frame. According to the injection molding machine for pen shell machining, molding and discharging are integrally designed, and the automation degree is high.

Description

Technical Field

[0001] The utility model relates to the technical field of pen shell processing, in particular to an injection molding machine for pen shell processing. Background Art

[0002] A ballpoint pen, also known as a ballpoint pen, is a writing tool that uses dry and thick ink and relies on the freely rotating ball on the pen head to bring out the ink and then write on paper. However, the pen shell is the theme of the ballpoint pen:

[0003] The existing ballpoint pen shell production often requires the use of an injection molding machine, which uses a conventional left-right mold design. After the injection molding is completed, the left and right molds are separated and each finished product of the mold is manually taken out;

[0004] This method of manually taking each finished pen shell requires manual taking of each finished product in turn during the production process, which is cumbersome to operate. Therefore, we propose an injection molding machine for pen shell processing. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide an injection molding machine for processing pen shells, which has a high degree of automation and can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection molding machine for processing a pen shell, comprising a workbench, an injection molding mechanism and a material injection mechanism;

[0007] Workbench: An injection molding rack is provided on the left side of its upper surface;

[0008] Injection molding mechanism: it includes a sliding rod, a displacement frame, a right abutment mold, a mold mounting plate, a stationary mold, a transverse molding chamber and a left abutment mold, the stationary mold is arranged on the upper inner wall of the injection molding frame, the middle part of the stationary mold is provided with uniformly distributed transverse molding chambers, the transverse molding chambers are interconnected, a uniformly distributed sliding rod is arranged between the left and right inner walls of the injection molding frame, the outer arc surfaces of the four sliding rods are all slidably connected with the four corners of a displacement frame, the left inner wall of the displacement frame is provided with a mold mounting plate, the right end of the mold mounting plate is provided with uniformly distributed left abutment molds, the right inner wall of the displacement frame is provided with uniformly distributed right abutment molds, the outer arc surface position of the right abutment mold is slidably connected with the corresponding inside of the transverse molding chamber, and the outer arc surface position of the left abutment mold is slidably connected with the corresponding inside of the transverse molding chamber;

[0009] Injection mechanism: It is arranged at the upper end of the workbench. The injection mechanism is fixedly connected to the stationary mold. The molding and discharging integrated design has a high degree of automation.

[0010] Furthermore, the injection molding mechanism also includes a feed avoidance port, which is opened on the right side of the displacement frame. The right side of the injection molding frame is provided with a frame avoidance port to provide avoidance for the feed.

[0011] Furthermore, the injection mechanism includes an injection pipe, a feed pipe, an injection spiral, a heating chamber, an inlet pipe, a feed hopper and a support block. The support blocks are evenly arranged on the right side of the upper surface of the workbench. An injection pipe is fixedly connected to the upper ends of the three support blocks. A feed pipe is provided at the left end of the injection pipe. The left side of the feed pipe is connected to the transverse molding chamber. The feed pipes are respectively located inside the feed avoidance port and the frame avoidance port. A fixed plate is fixedly connected to the right end of the feed pipe. An injection spiral is rotatably connected to the middle part of the left side surface of the fixed plate. The injection spiral is rotatably connected to the inside of the feed pipe. A feed hopper is provided on the upper right side of the outer arc surface of the feed pipe. The outer arc surface of the injection pipe is provided with evenly distributed heating chambers. Liquid inlet pipes are provided at the upper ends of the heating chambers. The rear ends of the three liquid inlet pipes are externally connected to external heating equipment to realize the feeding function.

[0012] Furthermore, it also includes a single-chip microcomputer, which is arranged on the upper surface of the workbench, and the input end of the single-chip microcomputer is electrically connected to an external power supply to control the normal operation of the electrical appliance.

[0013] Furthermore, it also includes an injection motor, which is arranged in the middle of the right side of the fixed plate, the output shaft of the injection motor is fixedly connected to the right end of the injection spiral sheet, and the input end of the injection motor is electrically connected to the output end of the single-chip microcomputer to provide driving force for injection.

[0014] Furthermore, it also includes a telescopic cylinder, which is arranged in the middle of the left side of the injection molding frame, the telescopic end of the telescopic cylinder is fixedly connected to the left end of the displacement frame, and the air inlet of the telescopic cylinder is connected to an external air pump to provide driving force for the displacement frame to move left and right.

[0015] Furthermore, it also includes a bracket, which is arranged on the lower surface of the workbench, and a discharge plate is arranged on the left side of the upper surface of the workbench to realize the discharge function.

[0016] Compared with the prior art, the beneficial effects of the utility model are: the injection molding machine for processing the pen shell has the following advantages:

[0017] The hot melt produced by the pen shell continues to move to the left in the injection tube, and then is discharged into the interior of the transverse molding chamber through the feed tube. At this time, the transverse molding chamber is limited by the right abutment mold and the left abutment mold, which closes the transverse molding chamber. After the transverse molding chamber is filled with the hot melt, the single-chip microcomputer can be regulated, and the injection tube stops feeding. Then, after the hot melt cools down, the external air pump can be regulated, and the telescopic cylinder is operated. The telescopic end of the telescopic cylinder contracts, thereby driving the displacement frame to move to the left, and then driving the right abutment mold to eject the pen shell that has been injected in the transverse molding chamber from the stationary mold, and then discharged to the outside of the device along the discharge plate, and then regulated The reset of each part, and then the next injection molding operation of the pen shell is carried out. The integrated design of pen shell molding and discharging has a high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the injection mechanism of the utility model;

[0020] Figure 3 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0021] In the figure: 1 workbench, 2 injection molding frame, 3 injection molding mechanism, 31 sliding rod, 32 displacement frame, 33 right abutment mold, 34 mold mounting plate, 35 stationary mold, 36 horizontal molding chamber, 37 feed avoidance port, 38 left abutment mold, 4 frame avoidance port, 5 discharge plate, 6 injection mechanism, 61 injection pipe, 62 feed pipe, 63 injection spiral sheet, 64 heating chamber, 65 liquid inlet pipe, 66 feed hopper, 67 support block, 7 injection motor, 8 telescopic cylinder, 9 single chip microcomputer, 10 bracket. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-3 , This embodiment provides a technical solution: an injection molding machine for processing a pen shell, comprising a workbench 1, an injection molding mechanism 3 and an injection mechanism 6;

[0024] Workbench 1: An injection molding frame 2 is provided on the left side of its upper surface, and also includes a single-chip microcomputer 9, which is arranged on the upper surface of the workbench 1, and the input end of the single-chip microcomputer 9 is electrically connected to an external power supply;

[0025] Injection molding mechanism 3: It includes a sliding rod 31, a displacement frame 32, a right abutting mold 33, a mold mounting plate 34, a stationary mold 35, a transverse molding chamber 36 and a left abutting mold 38. The stationary mold 35 is arranged on the upper inner wall of the injection molding frame 2. The middle part of the stationary mold 35 is provided with uniformly distributed transverse molding chambers 36, and the transverse molding chambers 36 are interconnected. Between the left and right inner walls of the injection molding frame 2, uniformly distributed sliding rods 31 are arranged. The outer arc surfaces of the four sliding rods 31 are slidably connected to the four corners of a displacement frame 32. The displacement frame 3 2 is provided with a mold mounting plate 34 on the left inner wall, and a uniformly distributed left abutment mold 38 is provided on the right end of the mold mounting plate 34. A uniformly distributed right abutment mold 33 is provided on the right inner wall of the displacement frame 32. The outer arc surface position of the right abutment mold 33 is slidably connected with the inside of the corresponding transverse molding chamber 36. The outer arc surface position of the left abutment mold 38 is slidably connected with the inside of the corresponding transverse molding chamber 36. The injection molding mechanism 3 also includes a feed avoidance port 37, which is opened on the right side of the displacement frame 32. The injection molding frame 2 is opened on the right side of the displacement frame 32. The frame is provided with a frame avoidance port 4, and also includes an injection motor 7, which is arranged in the middle of the right side of the fixed plate, and the output shaft of the injection motor 7 is fixedly connected to the right end of the injection spiral sheet 63, and the input end of the injection motor 7 is electrically connected to the output end of the single-chip microcomputer 9, and also includes a bracket 10, which is arranged on the lower surface of the workbench 1, and a discharge plate 5 is provided on the left side of the upper surface of the workbench 1. The horizontal molding chamber 36 is limited by the right abutment mold 33 and the left abutment mold 38, and the horizontal molding chamber 36 is sealed, and when the horizontal molding chamber 3 is reached, the horizontal molding chamber 3 After the hot melt is filled, the single chip microcomputer 9 can be regulated to stop feeding the material through the injection pipe 61. After the hot melt is cooled down, the external air pump can be regulated to operate the telescopic cylinder 8. The telescopic end of the telescopic cylinder 8 contracts, thereby driving the displacement frame 32 to move to the left, and then driving the right abutment mold 33 to eject the pen shell that has been injected in the horizontal molding chamber 36 from the static mold 35, and then discharge it to the outside of the device along the discharge plate 5. Then, each part is regulated to reset, and then the next injection molding operation is performed.

[0026] Injection mechanism 6: It is arranged at the upper end of the workbench 1, and the injection mechanism 6 is fixedly connected to the stationary mold 35. The injection mechanism 6 includes an injection pipe 61, a feed pipe 62, an injection spiral sheet 63, a heating chamber 64, a liquid inlet pipe 65, a feed hopper 66 and a support block 67. The support blocks 67 are evenly arranged on the right side of the upper surface of the workbench 1. The upper ends of the three support blocks 67 are fixedly connected with an injection pipe 61, and the left end of the injection pipe 61 is provided with a feed pipe 62. The left side of the feed pipe 62 The feed pipe 62 is connected to the horizontal forming chamber 36, and is located inside the feed avoidance port 37 and the frame avoidance port 4, respectively. The right end of the feed pipe 62 is fixedly connected to a fixed plate, and the middle part of the left side of the fixed plate is rotatably connected to an injection spiral sheet 63, and the injection spiral sheet 63 is rotatably connected to the inside of the feed pipe 62. A feed hopper 66 is provided on the upper right side of the outer arc surface of the feed pipe 62, and a uniformly distributed heating chamber 64 is provided on the outer arc surface of the injection pipe 61, and the upper end of the heating chamber 64 is provided with a feed hopper 66. Liquid pipe 65, the rear ends of the three liquid inlet pipes 65 are all connected to the external heating equipment, and also include a telescopic cylinder 8, which is arranged in the middle of the left side of the injection molding frame 2, and the telescopic end of the telescopic cylinder 8 is fixedly connected to the left end of the displacement frame 32, and the air inlet of the telescopic cylinder 8 is connected to the external air pump. The device is placed on the designated workstation through the bracket 10, and then plastic particles can be added to the feed hopper 66. At this time, the single-chip microcomputer 9 can be regulated, the injection motor 7 is operated, and the output shaft of the injection motor 7 is rotated, thereby driving the injection spiral piece 63 to operate, and the plastic particles move to the left in the injection pipe 61. At this time, the external external heating equipment can be regulated, and the external heating equipment will continue to circulate the high-temperature liquid in the heating chamber 64, continuously heat the plastic particles in the injection pipe 61, and heat the plastic particles into a hot melt. The hot melt continues to move to the left in the injection pipe 61, and then is discharged into the interior of the horizontal molding chamber 36 through the feed pipe 62.

[0027] The working principle of the injection molding machine for pen shell processing provided by the utility model is as follows: the device is placed on the designated work station through the bracket 10, and the plastic particles for pen shell processing can be added into the feed hopper 66 at this time. At this time, the single chip microcomputer 9 can be regulated, the injection motor 7 is operated, and the output shaft of the injection motor 7 is rotated, thereby driving the injection spiral piece 63 to operate, and the plastic particles for pen shell processing are moved to the left in the injection tube 61. At this time, the external heating device can be regulated, and the external heating device circulates the high-temperature liquid in the heating chamber 64 continuously, continuously heats the plastic particles for pen shell processing in the injection tube 61, and heats the plastic particles for pen shell processing into a hot melt. The hot melt continues to move to the left in the injection tube 61, and then passes through the feed hopper 66. The tube 62 is discharged into the interior of the transverse molding chamber 36. At this time, the transverse molding chamber 36 is limited by the right abutment mold 33 and the left abutment mold 38, and the transverse molding chamber 36 is sealed. After the transverse molding chamber 36 is filled with hot melt, the single-chip microcomputer 9 can be regulated, and the injection tube 61 stops feeding. Then, after the hot melt cools down, the external air pump can be regulated, and the telescopic cylinder 8 is operated. The telescopic end of the telescopic cylinder 8 contracts, thereby driving the displacement frame 32 to move to the left, and then driving the right abutment mold 33 to eject the pen shell that has been injected in the transverse molding chamber 36 from the stationary mold 35, and then discharge it to the outside of the device along the discharge plate 5, and then regulate each part to reset, and then carry out the next pen shell injection operation.

[0028] It is worth noting that the single chip microcomputer 9 disclosed in the above embodiment is specifically model S7-200, and the injection motor 7 and the telescopic cylinder 8 can be freely configured according to the actual application scenario. It is recommended to use the GX series high-efficiency three-phase asynchronous motor for the injection motor 7, and the SMC type telescopic cylinder 8 is recommended to use the SMC telescopic cylinder. The single chip microcomputer 9 controls the operation of the injection motor 7 using methods commonly used in the prior art.

[0029] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An injection molding machine for pen shell processing, characterized in that: It comprises a workbench (1), an injection molding mechanism (3) and a material injection mechanism (6); A workbench (1): an injection molding frame (2) is provided on the left side of the upper surface thereof; The injection molding mechanism (3) comprises a sliding rod (31), a displacement frame (32), a right abutting mold (33), a mold mounting plate (34), a stationary mold (35), a transverse molding chamber (36) and a left abutting mold (38), wherein the stationary mold (35) is arranged on the upper inner wall of the injection molding frame (2), and the middle part of the stationary mold (35) is provided with uniformly distributed transverse molding chambers (36), and the transverse molding chambers (36) are interconnected. A sliding rod (31) is uniformly distributed between the left and right inner walls of the injection molding frame (2), and the four sliding rods (38) are arranged on the left and right inner walls of the injection molding frame (2). The outer arc surface of each of the four corners of a displacement frame (31) is slidably connected to a displacement frame (32); a mold mounting plate (34) is provided on the left inner wall of the displacement frame (32); a left abutting mold (38) is evenly distributed on the right end of the mold mounting plate (34); a right abutting mold (33) is evenly distributed on the right inner wall of the displacement frame (32); the outer arc surface position of the right abutting mold (33) is slidably connected to the inside of a corresponding transverse molding chamber (36); and the outer arc surface position of the left abutting mold (38) is slidably connected to the inside of a corresponding transverse molding chamber (36); Injection mechanism (6): It is arranged at the upper end of the workbench (1), and the injection mechanism (6) is fixedly connected to the stationary mold (35).

2. The injection molding machine for pen shell processing according to claim 1, characterized in that: The injection molding mechanism (3) further comprises a feed avoidance opening (37), wherein the feed avoidance opening (37) is opened on the right side of the displacement frame (32), and a frame avoidance opening (4) is opened on the right side of the injection molding frame (2).

3. The injection molding machine for pen shell processing according to claim 2, characterized in that: The injection mechanism (6) comprises an injection pipe (61), a feed pipe (62), an injection spiral sheet (63), a heating chamber (64), a liquid inlet pipe (65), a feed hopper (66) and a support block (67). The support blocks (67) are evenly arranged on the right side of the upper surface of the workbench (1). The upper ends of the three support blocks (67) are fixedly connected to an injection pipe (61). The left end of the injection pipe (61) is provided with a feed pipe (62). The left side of the feed pipe (62) is connected to the transverse molding chamber (36). The feed pipe (62) is respectively located at the feed avoidance Inside the opening (37) and the frame avoidance opening (4), the right end of the feed pipe (62) is fixedly connected to a fixed plate, the middle part of the left side surface of the fixed plate is rotatably connected to an injection spiral sheet (63), the injection spiral sheet (63) is rotatably connected to the inside of the feed pipe (62), a feed hopper (66) is provided on the upper right side of the outer arc surface of the feed pipe (62), the outer arc surface of the injection pipe (61) is provided with uniformly distributed heating chambers (64), the upper ends of the heating chambers (64) are each provided with a liquid inlet pipe (65), and the rear ends of the three liquid inlet pipes (65) are each externally connected to an external heating device.

4. The injection molding machine for pen shell processing according to claim 3, characterized in that: It also includes a single-chip microcomputer (9), which is arranged on the upper surface of the workbench (1), and an input end of the single-chip microcomputer (9) is electrically connected to an external power supply.

5. The injection molding machine for pen shell processing according to claim 4, characterized in that: It also includes an injection motor (7), which is arranged in the middle of the right side of the fixed plate, the output shaft of the injection motor (7) is fixedly connected to the right end of the injection spiral sheet (63), and the input end of the injection motor (7) is electrically connected to the output end of the single chip computer (9).

6. The injection molding machine for pen shell processing according to claim 1, characterized in that: It also includes a telescopic cylinder (8), which is arranged in the middle of the left side of the injection molding frame (2), the telescopic end of the telescopic cylinder (8) is fixedly connected to the left end of the displacement frame (32), and the air inlet of the telescopic cylinder (8) is connected to an external air pump.

7. The injection molding machine for pen shell processing according to claim 1, characterized in that: It also comprises a bracket (10), wherein the bracket (10) is arranged on the lower surface of the workbench (1), and a discharge plate (5) is arranged on the left side of the upper surface of the workbench (1).

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