CN211334310U - Circulation ejection of compact injection molding machine - Google Patents

Abstract

The utility model discloses a circulating discharge injection molding machine, which comprises a stand and a support rod; the stand: the surface of the stand is provided with a barrel, the inner side of the barrel is rotatably connected with a screw, and one side of the stand is provided with a motor seat, the motor seat There is a transmission motor on it, and the output shaft of the transmission motor is fixedly connected with one end of the screw, and the other side of the frame is provided with a mold seat, and the mold seat is provided with a mold, and the feeding port of the mold is connected with the material through the discharge pipe. The discharge port of the cylinder is connected; support rod: the support rod is arranged on the stand, and the top of the support rod is provided with a support plate, the support plate is provided with a heating barrel, and the side of the heating barrel is provided with an electromagnetic heater, and the bottom surface of the heating barrel is provided There is a through hole in the middle, and the bottom surface of the heating barrel is provided with a discharge cone, and the top surface of the heating barrel is provided with a feeding port, and the bottom end of the heating barrel is provided with a blanking component, and the heating barrel is provided with a stirring unit. This circulating discharge injection molding machine can make the raw materials evenly heated, fully melt the raw materials, and improve the utilization rate of raw materials.

Description

A cyclic discharge injection molding machine

technical field

The utility model relates to the technical field of injection molding machines, in particular to a circulating discharge injection molding machine.

Background technique

Injection molding machine is also known as injection molding machine or injection molding machine. It is the main molding equipment for making thermoplastics or thermosetting plastics into various shapes of plastic products by using plastic molding molds. The working principle of the injection molding machine is similar to that of a syringe for injection. The molten plastic is injected into the closed mold cavity, and the process of obtaining the product after curing and shaping. Most of the existing screw injection molding machines first add the raw materials into the screw barrel, and then heat it. This method is very easy Uneven heating results in incomplete melting of some raw materials, which in turn affects the quality of the product.

Utility model content

The technical problem to be solved by the utility model is to overcome the existing defects and provide a cyclic discharge injection molding machine, which can heat the raw materials uniformly and fully melt the raw materials, and can effectively solve the problems in the background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a cyclic discharge injection molding machine, including a stand and a support rod;

Stand: the surface of the stand is provided with a barrel, the inner side of the barrel is rotatably connected with a screw, and one side of the stand is provided with a motor seat, the motor seat is provided with a transmission motor, and the output shaft of the transmission motor is connected to the One end of the screw is fixedly connected, and the other side of the stand is provided with a mold seat, and the mold seat is provided with a mold, and the feeding port of the mold is communicated with the discharging port of the barrel through the discharging pipe;

Support rod: the support rod is set on the stand, and the top of the support rod is provided with a support plate, the support plate is provided with a heating barrel, and the side of the heating barrel is provided with an electromagnetic heater, and a through hole is opened in the middle of the bottom surface of the heating barrel , and the bottom surface of the heating barrel is provided with a discharge cone, and the top surface of the heating barrel is provided with a feeding port, and the bottom end of the heating barrel is provided with a blanking component, and the heating barrel is provided with a stirring unit;

Wherein: it also includes a PLC controller, the PLC controller is arranged on the surface of the stand, and the input end of the PLC controller is electrically connected with the output end of the external power supply, and the output end of the PLC controller is respectively connected with the transmission motor and the electromagnetic heater. The input terminal is electrically connected.

Further, the blanking assembly includes a blanking hole, a mounting plate, an electric push rod and a baffle, the mounting plate is arranged on the bottom surface of the support plate, the baffle is slidably matched with the chute at the bottom of the heating barrel, and the baffle There is a blanking hole on the plate, one end of the electric push rod is set on the mounting plate, and the other end of the electric push rod is fixedly connected with one end of the baffle plate, and the input end of the electric push rod is connected with the output end of the PLC controller. Electrical connection, the blanking component can realize the entry of the melted raw material into the barrel, and can also control the measurement of the material entering the barrel as required.

Further, the stirring unit includes a stirring motor, a worm, a worm wheel, a rotating shaft, a fixed rod and a stirring rod, the stirring motor is arranged on the top surface of the heating barrel, the worm is arranged on the output shaft of the stirring motor, and the rotating shaft is Through the top surface of the heating barrel, the worm gear is arranged on the top of the rotating shaft, and the worm gear and the worm are meshed with each other, the fixing rod is arranged on the top of the rotating shaft, the stirring rod is arranged on the bottom surface of the fixing rod, and the input end of the stirring motor It is electrically connected to the output end of the PLC controller, and the stirring unit can stir the raw materials during heating, so that the raw materials are evenly heated and completely melted in the end.

Further, it also includes an installation ring and a filter screen. The installation ring is detachably connected to the bottom of the discharge cone. The filter screen is arranged on the bottom surface of the installation ring. Quality of products.

Further, it also includes a disassembly assembly, the disassembly assembly includes a fixed block, a fixed plate, a limit rod and a limit plate, the fixed block is arranged on the upper surface of the installation ring, and the fixed plate is arranged on the top of the fixed block, The limit rod is arranged on the bottom surface of the fixed plate, the limit plate is arranged on the side of the bottom of the discharge cone, and the limit rod is slidably matched with the limit hole on the surface of the limit plate, and the disassembly assembly can realize the disassembly of the filter screen. , to facilitate the replacement and maintenance of the filter.

Compared with the prior art, the beneficial effects of the present utility model are: the circulating discharge injection molding machine has the following advantages:

1. The stirring unit of the circulating discharge injection molding machine can stir the raw materials during heating, so that the raw materials can be heated evenly, and the mixing is more uniform, and finally all completely melted. The rotation of the stirring motor is through the mutual meshing of the worm and the worm wheel, and then Drive the rotating shaft to rotate, and then drive the stirring rod to rotate to realize the stirring and mixing of the raw materials.

2. The blanking component of this cycle discharge injection molding machine can realize the melting of the raw material into the barrel, and can also control the measurement of the material entering the barrel as required. The extension of the electric push rod drives the baffle to slide, so that the baffle The blanking hole on the top gradually coincides with the through hole on the bottom surface of the heating barrel, so that the size of the discharge can be controlled.

3. The dismantling component of this circulating discharge injection molding machine can realize the disassembly of the filter screen, which is convenient for the replacement and maintenance of the filter screen. When installing, first make the bottom of the discharge cone and the installation ring slide and sleeve, and rotate the installation ring to make the limit rod and the installation ring. The limit holes on the limit plate correspond, and then loosen the mounting ring, so that the limit rod passes through the limit holes to realize the positioning of the mounting ring.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the cross-sectional structure schematic diagram of the utility model;

Figure 3 is a schematic diagram of the enlarged structure of the utility model A.

In the picture: 1 stand, 11 PLC controller, 12 barrels, 13 screws, 14 discharge pipes, 2 motor bases, 21 transmission motors, 3 mold bases, 31 molds, 4 support rods, 41 support plates, 5 heating barrels, 51 electromagnetic heater, 52 discharge cone, 53 feed port, 6 blanking components, 61 blanking hole, 62 mounting plate, 63 electric push rod, 64 baffle, 7 stirring unit, 71 stirring motor, 72 worm, 73 Worm gear, 74 rotating shaft, 75 fixing rod, 76 stirring rod, 8 dismantling components, 81 fixing block, 82 fixing plate, 83 limit rod, 84 limit plate, 9 installation ring, 91 filter screen.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-3, the present utility model provides a technical solution: a cyclic discharge injection molding machine, comprising a stand 1 and a support rod 4;

Stand 1: The surface of the stand 1 is provided with a barrel 12, the inner side of the barrel 12 is rotatably connected with a screw 13, and one side of the stand 1 is provided with a motor base 2, the motor base 2 is provided with a transmission motor 21, and the transmission motor 21 The output shaft is fixedly connected with one end of the screw 13, and the other side of the stand 1 is provided with a mold seat 3, and the mold seat 3 is provided with a mold 31, and the feeding port of the mold 31 passes through the discharge pipe 14 and the barrel 12. The discharge port is connected;

Support rod 4: The support rod 4 is arranged on the stand 1, and the top of the support rod 4 is provided with a support plate 41, the support plate 41 is provided with a heating barrel 5, and the side of the heating barrel 5 is provided with an electromagnetic heater 51, and the heating barrel 5 is provided with an electromagnetic heater 51. A through hole is opened in the middle of the bottom surface of the barrel 5, and the bottom surface of the heating barrel 5 is provided with a discharge cone 52, and the top surface of the heating barrel 5 is provided with a feeding port 53, and the bottom end of the heating barrel 5 is provided with a blanking assembly 6, The blanking assembly 6 includes a blanking hole 61, a mounting plate 62, an electric push rod 63 and a baffle 64. The mounting plate 62 is arranged on the bottom surface of the support plate 41. A blanking hole 61 is opened on the plate 64, one end of the electric push rod 63 is set on the mounting plate 62, and the other end of the electric push rod 63 is fixedly connected with one end of the baffle 64, and the input end of the electric push rod 63 is connected to the PLC The output end of the controller 11 is electrically connected, and the heating barrel 5 is provided with a stirring unit 7. The stirring unit 7 includes a stirring motor 71, a worm 72, a worm wheel 73, a rotating shaft 74, a fixed rod 75 and a stirring rod 76. On the top surface of the heating barrel 5, the worm 72 is arranged on the output shaft of the stirring motor 71, the rotating shaft 74 runs through the top surface of the heating barrel 5, the worm wheel 73 is arranged on the top of the rotating shaft 74, and the worm wheel 73 and the worm 72 are meshed with each other, and the fixed rod 75 Set on the top of the rotating shaft 74, the stirring rod 76 is set on the bottom surface of the fixing rod 75, and the input end of the stirring motor 71 is electrically connected with the output end of the PLC controller 11;

Wherein: it also includes a PLC controller 11, the PLC controller 11 is arranged on the surface of the gantry 1, and the input end of the PLC controller 11 is electrically connected with the output end of the external power supply, and the output end of the PLC controller 11 is respectively connected with the transmission motor 21. It is electrically connected to the input end of the electromagnetic heater 51 .

Wherein: it also includes an installation ring 9 and a filter screen 91, the installation ring 9 is detachably connected to the bottom of the discharge cone 52, the filter screen 91 is arranged on the bottom surface of the installation ring 9, and also includes a disassembly assembly 8, and the disassembly assembly 8 includes a fixing block 81 , the fixing plate 82, the limiting rod 83 and the limiting plate 84, the fixing block 81 is arranged on the upper surface of the mounting ring 9, the fixing plate 82 is arranged on the top of the fixing block 81, and the limiting rod 83 is arranged on the bottom surface of the fixing plate 82, The limiting plate 84 is disposed on the side of the bottom of the discharge cone 52 , and the limiting rod 83 is slidably matched with the limiting hole on the surface of the limiting plate 84 .

When using:

First, the raw materials are added into the heating barrel 5, heated by the electromagnetic heater 51, and stirred by the stirring unit 7, so that the raw materials can be heated evenly, and the mixing is more uniform, and finally completely melted, and the rotation of the stirring motor 71 passes through the worm. 72 and the worm gear 73 are meshed with each other, thereby driving the rotating shaft 74 to rotate, and then driving the stirring rod 76 to rotate to realize the stirring and mixing of the raw materials. The measurement of entering the barrel 12, the extension of the electric push rod 63 drives the baffle 64 to slide, so that the blanking hole 61 on the baffle 64 gradually overlaps with the through hole on the bottom surface of the heating barrel 5, and then the size of the discharge can be controlled. , the filter screen 91 can filter out the impurities that cannot be melted in the raw material, so as to avoid affecting the quality of the product. The disassembly component 8 can realize the disassembly of the filter screen 91, which is convenient for the replacement and maintenance of the filter screen 91. When installing, first make the bottom of the discharge cone 52 and the The mounting ring 9 is slid and sleeved, and the mounting ring 9 is rotated so that the limit rod 83 corresponds to the limit hole on the limit plate 84, and then the mounting ring 9 is loosened, and the limit rod 83 passes through the limit hole to realize the installation. Positioning of the ring 9, when the melted raw material enters the barrel 12, the transmission motor 21 drives the screw 13 to rotate, and the raw material is injected into the mold 31 through the connecting pipe 14 for forming.

It is worth noting that in this embodiment, the specific model of the core chip of the PLC controller 11 is Siemens S7-300, and the transmission motor 21, the electromagnetic heater 51, the electric push rod 63 and the stirring motor 71 can be freely configured according to the actual application scene. Motor 21 can choose SGMGV-09ADC61 servo motor produced by Changzhou Jinzhuan Electromechanical Technology Co., Ltd., electromagnetic heater 51 can choose electromagnetic heater produced by Yancheng Yesheng Electric Heating Machinery Co., Ltd., and electric push rod 63 can choose Zhejiang Leiqi Intelligent The straight electric push rod produced by Science and Technology Co., Ltd., and the stirring motor 71 can be selected from the 60ST-M00630 servo motor produced by Jiangsu Wheatstone Electromechanical Technology Co., Ltd. The PLC controller controls the transmission motor 21 , the electromagnetic heater 51 , the electric push rod 63 and the stirring motor 71 to work using the methods commonly used in the prior art.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. A cyclic discharge injection molding machine, characterized in that: it comprises a stand (1) and a support rod (4); Stand (1): a barrel (12) is provided on the surface of the stand (1), a screw (13) is rotatably connected to the inner side of the barrel (12), and a motor seat is provided on one side of the stand (1). (2), the motor base (2) is provided with a transmission motor (21), and the output shaft of the transmission motor (21) is fixedly connected with one end of the screw (13), and the other side of the stand (1) is provided with a transmission motor (21). the mold seat (3), and the mold seat (3) is provided with a mold (31), and the feed port of the mold (31) communicates with the discharge port of the barrel (12) through the discharge pipe (14); Support rod (4): the support rod (4) is arranged on the stand (1), and the top end of the support rod (4) is provided with a support plate (41), and the support plate (41) is provided with a heating barrel (5) , and the side of the heating barrel (5) is provided with an electromagnetic heater (51), and the middle of the bottom surface of the heating barrel (5) is provided with a through hole, and the bottom surface of the heating barrel (5) is provided with a discharge cone (52), and heating The top surface of the barrel (5) is provided with a feeding port (53), the bottom end of the heating barrel (5) is provided with a blanking assembly (6), and the heating barrel (5) is provided with a stirring unit (7); Wherein: it also includes a PLC controller (11), the PLC controller (11) is arranged on the surface of the stand (1), and the input end of the PLC controller (11) is electrically connected with the output end of the external power supply, and the PLC controls The output end of the heater (11) is respectively electrically connected with the input end of the transmission motor (21) and the electromagnetic heater (51). 2. A cyclic discharge injection molding machine according to claim 1, characterized in that: the blanking component (6) comprises a blanking hole (61), a mounting plate (62), an electric push rod (63) and A baffle (64), the mounting plate (62) is arranged on the bottom surface of the support plate (41), the baffle (64) is slidably matched with the chute at the bottom of the heating barrel (5), and the baffle (64) is A blanking hole (61) is opened, one end of the electric push rod (63) is set on the mounting plate (62), and the other end of the electric push rod (63) is fixedly connected with one end of the baffle plate (64), and The input end of the electric push rod (63) is electrically connected with the output end of the PLC controller (11). 3. A cyclic discharge injection molding machine according to claim 1, characterized in that: the stirring unit (7) comprises a stirring motor (71), a worm (72), a worm wheel (73), a rotating shaft (74), The fixing rod (75) and the stirring rod (76), the stirring motor (71) is arranged on the top surface of the heating barrel (5), the worm (72) is arranged on the output shaft of the stirring motor (71), the The rotating shaft (74) runs through the top surface of the heating barrel (5), the worm gear (73) is arranged on the top end of the rotating shaft (74), and the worm gear (73) and the worm (72) are engaged with each other, and the fixing rod (75) is arranged At the top of the rotating shaft (74), the stirring rod (76) is arranged on the bottom surface of the fixing rod (75), and the input end of the stirring motor (71) is electrically connected with the output end of the PLC controller (11). 4. A cyclic discharge injection molding machine according to claim 1, characterized in that: further comprising a mounting ring (9) and a filter screen (91), the mounting ring (9) and the discharge cone (52) The bottom is detachably connected, and the filter screen (91) is arranged on the bottom surface of the mounting ring (9). 5. A cyclic discharge injection molding machine according to claim 4, characterized in that it further comprises a disassembly assembly (8), and the disassembly assembly (8) comprises a fixed block (81), a fixed plate (82), a limit A position rod (83) and a limit plate (84), the fixing block (81) is arranged on the upper surface of the mounting ring (9), the fixing plate (82) is arranged at the top of the fixing block (81), the The limit rod (83) is arranged on the bottom surface of the fixing plate (82), the limit plate (84) is arranged on the side surface of the bottom of the discharge cone (52), and the limit rod (83) and the limit plate (84) The limit hole on the surface is a sliding fit.

Images