An automated injection molding apparatus

Abstract

The application discloses an automatic injection molding equipment and belongs to the hand production field. The automatic injection molding equipment comprises a belt conveyor, an upper mold and a lower mold, a feeding cylinder is installed on the belt conveyor, a discharging pipe is connected between the output end of the feeding cylinder and the upper mold, and the automatic injection molding equipment further comprises a positioning plate arranged on the belt conveyor. A rotating cylinder is rotatably arranged on the belt conveyor, a spline shaft is slidably arranged on the rotating cylinder, the spline shaft is rotatably connected with the positioning plate, and a driving part for driving the longitudinal movement of the positioning plate is arranged on the belt conveyor. Two symmetrical clamping plates are slidably arranged on the top of the positioning plate. A connecting part is arranged on the positioning plate, and the connecting part drives the relative movement of the clamping plates when the driving part drives the longitudinal movement of the positioning plate. The lower mold is pushed out of the conveying belt and close to the upper mold by driving the positioning plate to move upward by the driving part. At this time, the connecting part drives the two clamping plates to close to the lower mold to position the lower mold, so that the deviation during mold closing is avoided, and the production quality is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hand production, and particularly relates to an automatic injection molding equipment. BACKGROUND

[0002] The hand-made model refers to a fine model made according to a character in animation and cartoon, and usually has high artistic value and collection value. The hand-made model is a contraction of hand-made, is exquisite in detail and bright in color, and can present the posture, expression and costume of the character. The hand-made model is not only a symbol of animation culture, but also an object pursued by many fans and collectors. The hand-made model is not only a valuable wealth of animation fans and collectors, but also a transmitter of animation culture. With the development of the animation industry, the hand-made model market is continuously expanding and has become an important cultural phenomenon in the global range.

[0003] The injection molding equipment is an injection molding equipment capable of automatically producing animation hand-made model parts. The injection molding is to inject molten plastic material into a mold to obtain a desired shape after cooling and solidification.

[0004] In the existing animation hand-made injection molding equipment, the upper and lower molds need to be closed before injection molding. However, in the actual production process, the positioning effect of the injection mold is poor when the molds are closed, which causes the upper and lower molds to be misaligned when they are closed and connected, and affects the use effect of the injection mold, thereby reducing the production quality. SUMMARY

[0005] The present application aims to solve the problem of poor positioning effect of the injection mold when the molds are closed in the prior art, which causes the upper and lower molds to be misaligned when they are closed and connected, and affects the use effect of the injection mold, thereby reducing the production quality. An automatic injection molding equipment is provided.

[0006] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0007] An automatic injection molding equipment comprises a belt conveyor, an upper mold fixedly installed above the belt conveyor and a lower mold arranged on the belt conveyor, a barrel is installed on the belt conveyor, a discharge pipe is connected between the output end of the upper mold and the barrel, and the automatic injection molding equipment further comprises a positioning plate arranged on the belt conveyor, wherein a rotating barrel is rotatably installed on the belt conveyor, a spline shaft is slidably installed on the rotating barrel, the spline shaft is rotatably connected with the positioning plate, and a driving part for driving the positioning plate to move longitudally is arranged on the belt conveyor; two symmetrical clamping plates are slidably installed on the top of the positioning plate, wherein a connecting part is arranged on the positioning plate, and the connecting part drives the clamping plates to move relative to each other when the driving part drives the positioning plate to move longitudally.

[0008] In order to eject the lower mold belt conveyor and combine with the upper mold, preferably, the driving part includes a motor fixedly installed inside the belt conveyor, the output end of the motor is fixedly connected with a rotating shaft, a threaded rod is installed on the belt conveyor through a bearing, wherein the rotating shaft is connected with the threaded rod through a first belt transmission, a sliding block is threadedly connected on the threaded rod, the sliding block is slidingly connected with the belt conveyor, a supporting rod is rotatably installed on the sliding block, and the supporting rod is rotatably connected with the positioning plate.

[0009] In order to automatically position the lower mold during the mold combining process, further, the connecting part includes a lead screw installed on the positioning plate through a bearing, two symmetrically arranged sliding blocks are threadedly connected on the lead screw, the sliding blocks are slidingly connected with the positioning plate, and the two sliding blocks are fixedly connected with the two clamping plates, wherein the threaded rod and the rotating cylinder are both fixedly connected with a first bevel gear, the two first bevel gears are meshingly connected, the spline shaft and the lead screw are both fixedly connected with a second bevel gear, and the two second bevel gears are meshingly connected.

[0010] In order to perform injection molding, preferably, a housing is fixedly installed on the top of the belt conveyor, the upper mold is fixedly installed in the housing through a mounting seat, and the barrel is fixedly installed on the housing.

[0011] In order to cool the injection molded part, further, a liquid inlet pipe is arranged on the mounting seat, an air bag is fixedly installed in the housing, a connecting rod is fixedly connected to the bottom of the positioning plate, a pressing plate is fixedly connected to the bottom of the connecting rod, an air inlet pipe is connected between the air bag and the positioning plate, and a gas hole is arranged in the top of the positioning plate and communicates with the air inlet pipe.

[0012] In order to eject the injection molded part of the lower mold, preferably, a mounting frame is fixedly connected to the positioning plate, a connecting plate is installed on the mounting frame, and a ejector rod is fixedly connected to the top of the connecting plate.

[0013] In order to make the ejector rod vibrate when ejecting the injection molded part, further, a connecting block is fixedly connected to the outer side of the connecting plate, the connecting block is slidingly connected with the inner wall of the mounting frame, guide rods are fixedly connected between the inner walls of the mounting frame, the connecting block is slidingly connected with the guide rods, a first spring is installed between the top of the connecting block and the inner wall of the mounting frame, a cam is rotatably installed on the mounting frame through a transmission shaft, and the transmission shaft is connected with the lead screw through a second belt transmission.

[0014] In order to enable gas to enter the lower mold, preferably, a T-shaped groove is arranged in the bottom of the lower mold, a T-shaped plate is slidingly installed in the T-shaped groove, a groove is arranged in the inner wall of the T-shaped groove, and a second spring is installed between the inner wall of the groove and the T-shaped plate.

[0015] Compared with the prior art, the present application provides an automatic injection molding equipment with the following

[0016] Advantages:

[0017] 1. The automatic injection molding equipment drives the spline shaft to slide upward on the rotating drum through the driving part, the spline shaft drives the positioning plate to move upward to eject the lower mold from the conveying belt and close to the upper mold, at this time, the connecting part drives the two clamping plates to close to the lower mold to position it, so that the lower mold is opposite to the upper mold to perform mold closing, avoiding deviation during mold closing, and improving the production quality.

[0018] 2. The automatic injection molding equipment sets the air bag, when the mold is opened, the positioning plate drives the lower mold to move away from the upper mold, at the same time, the positioning plate drives the connecting rod to move downward, the connecting rod drives the pressing plate to move downward, the pressing plate extrudes the air bag, the gas in the air bag blows to the bottom of the lower mold through the air inlet pipe and the air hole to further cool the lower mold, improving the cooling forming efficiency of the injection molded part.

[0019] 3. The automatic injection molding equipment, after injection molding, the lower mold is conveyed to the upper side of the ejector rod by the conveying belt, at this time, the next lower mold is conveyed to the lower side of the upper mold by the conveying belt, so that the next lower mold is molded and injected during demolding, thereby continuous production can be carried out, and the production efficiency is improved.

[0020] 4. The automatic injection molding equipment sets the ejector rod, when demolding, the positioning plate rises to drive the mounting frame to rise, the mounting frame drives the ejector rod to rise through the connecting plate to eject the injection molded part in the lower mold from the lower mold, at the same time, the rotation of the lead screw drives the cam to rotate through the second belt transmission and the transmission shaft, and under the cooperation of the connecting block, the guide rod and the first spring, the connecting plate drives the ejector rod to vibrate longitudinally, the ejector rod vibrates the lower mold while ejecting the injection molded part, which is beneficial to the injection molded part to better fall off from the lower mold, and improves the demolding efficiency.

[0021] 5. The automatic injection molding equipment sets the air inlet device, the ejector rod enters into the T-shaped groove upward, the ejector rod lifts the T-shaped plate, the T-shaped plate stretches the second spring, at the same time, the air inlet device blows out gas, which is blown out from the gas outlet through the gas inlet pipe and the conversion head, the gas is obliquely blown upward, the gas helps the injection molded part to demold faster, and also can perform secondary cooling on the injection molded part, so as to be taken by the subsequent worker, further improving the demolding efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The present application provides a shaft measurement structure diagram of an automatic injection molding equipment;

[0023] Figure 2 The present application provides a belt conveyor and a shell cut structure diagram of an automatic injection molding equipment Figure One ;

[0024] Figure 3 A schematic view of the automatic injection molding equipment according to the present application Figure 2 A schematic view of the enlarged structure of the A part in the automatic injection molding equipment according to the present application

[0025] Figure 4 A schematic view of the automatic injection molding equipment according to the present application Figure Two ;

[0026] Figure 5 A schematic view of the automatic injection molding equipment according to the present application

[0027] Figure 6 A schematic view of the automatic injection molding equipment according to the present application

[0028] Figure 7 A schematic view of the automatic injection molding equipment according to the present application

[0029] Figure 8 A schematic view of the automatic injection molding equipment according to the present application

[0030] Figure: 1, belt conveyor; 201, rotating drum; 202, spline shaft; 203, motor; 204, rotating shaft; 205, threaded rod; 206, first belt drive; 207, sliding block; 208, support rod; 301, clamping plate; 302, screw rod; 303, sliding block; 304, first bevel gear; 305, second bevel gear; 4, lower mold; 5, upper mold; 6, mounting seat; 7, positioning plate; 8, barrel; 9, discharge pipe; 10, liquid inlet pipe; 11, air bag; 12, connecting rod; 13, pressing plate; 14, air inlet pipe; 15, air hole; 16, housing; 17, mounting bracket; 18, connecting plate; 19, ejector pin; 20, connecting block; 21, guide rod; 22, first spring; 23, transmission shaft; 24, cam; 25, second belt drive; 26, air inlet device; 27, gas conveying pipe; 28, conversion head; 29, air outlet; 30, T-shaped groove; 31, T-shaped plate; 32, groove; 33, second spring. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all embodiments of the present application.

[0032] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0033] Embodiment one:

[0034] With reference to Figures 1-8 An automatic injection molding equipment, comprising a belt conveyor 1 and an upper mold 5 fixedly installed above the belt conveyor 1 and a lower mold 4 arranged on the belt conveyor 1, two symmetrical conveying belts are installed on the belt conveyor 1, the lower mold 4 is conveyed by the conveying belts, a barrel 8 for injection molding of the upper mold 5 is installed on the belt conveyor 1, an outlet pipe 9 is connected between the output ends of the upper mold 5 and the barrel 8, and the equipment further comprises a positioning plate 7 arranged on the belt conveyor 1, the positioning plate 7 is used to eject the lower mold 4 from the conveying belts, so that the force during mold closing does not directly act on the conveying belts, thereby improving the service life of the conveying belts, the positioning plate 7 is initially located below the conveying belts and between the two conveying belts, wherein a rotating drum 201 is rotatably installed on the belt conveyor 1, a spline shaft 202 is slidably installed on the rotating drum 201, the spline shaft 202 is rotatably connected with the positioning plate 7, the rotating drum 201 and the spline shaft 202 are both provided with two longitudinal ones, and a driving part for driving the longitudinal movement of the positioning plate 7 is arranged on the belt conveyor 1; two symmetrical clamping plates 301 are slidably installed on the top of the positioning plate 7, the clamping plates 301 are initially located below the conveying belts, and when the lower mold 4 is conveyed above the positioning plate 7, the clamping plates 301 will not interfere with the movement of the lower mold 4, wherein a connecting part is arranged on the positioning plate 7, and the connecting part drives the relative movement of the clamping plates 301 when the driving part drives the longitudinal movement of the positioning plate 7.

[0035] During operation, the belt conveyor 1 conveys the lower mold 4 directly above the positioning plate 7, at which time the belt conveyor 1 stops working, the spline shaft 202 is driven by the driving part to slide upward on the rotating drum 201, the spline shaft 202 drives the positioning plate 7 to move upward to eject the lower mold 4 from the conveying belts and close to the upper mold 5, at which time the connecting part drives the two clamping plates 301 to close to the lower mold 4 to position it, so that the lower mold 4 directly faces the upper mold 5 for mold closing, avoiding deviation during mold closing and improving the production quality.

[0036] The driving part comprises a motor 203 fixedly installed in the inside of the belt conveyor 1, the output end of the motor 203 is fixedly connected with a rotating shaft 204, a threaded rod 205 is installed on the belt conveyor 1 through a bearing, wherein the rotating shaft 204 is connected with the threaded rod 205 through a first belt transmission 206, the first belt transmission 206 mainly comprises a belt and a pulley matched with each other, the inner wall of the belt conveyor 1 is provided with a notch, the threaded rod 205, the rotating shaft 204 and a sliding block 207 are all arranged in the notch, the sliding block 207 is threadedly connected on the threaded rod 205, the sliding block 207 is slidably connected with the inner wall of the notch of the belt conveyor 1, a supporting rod 208 is rotatably installed on the sliding block 207, the supporting rod 208 is provided with two and symmetrically arranged, the supporting rod 208 is rotatably connected with the positioning plate 7, the connecting part comprises a lead screw 302 installed on the positioning plate 7 through a bearing, the lead screw 302 is a bidirectional lead screw, when the lead screw 302 rotates, two sliding blocks 303 are close to or away from each other, the two symmetrically arranged sliding blocks 303 are threadedly connected on the lead screw 302, the top of the positioning plate 7 is provided with a downwardly recessed sliding groove, the sliding block 303 is slidably connected with the inner wall of the sliding groove of the positioning plate 7, the lead screw 302 is partially arranged in the sliding groove, the two sliding blocks 303 are fixedly connected with two clamping plates 301 respectively, wherein the threaded rod 205 and the rotating drum 201 are both fixedly connected with a first bevel gear 304, the two first bevel gears 304 are meshedly connected, the spline shaft 202 and the lead screw 302 are both fixedly connected with a second bevel gear 305, the two second bevel gears 305 are meshedly connected.

[0037] When working, the motor 203 is started, the output end of the motor 203 drives the rotating shaft 204 to rotate, the threaded rod 205 is driven to rotate under the transmission of the first belt transmission 206, the sliding block 207 is driven to slide transversely along the notch of the belt conveyor 1, the supporting rod 208 is driven to rotate, under the limitation of the rotating drum 201 and the spline shaft 202, the positioning plate 7 is driven to move upwardly, at the same time, the spline shaft 202 is driven to slide upwardly along the rotating drum 201, at the same time, the threaded rod 205 drives the rotating drum 201 to rotate through the first bevel gear 304, the rotating drum 201 drives the spline shaft 202 to rotate, the spline shaft 202 drives the lead screw 302 to rotate through the transmission of the second bevel gear 305, the lead screw 302 drives the two sliding blocks 303 to be close to each other, the two sliding blocks 303 drive the two clamping plates 301 to be close to each other, and the lower mold 4 is positioned.

[0038] Embodiment two

[0039] With reference to Figures 1-2 And Figure 4 The embodiment is basically the same as the embodiment one, and further specifically discloses a specific implementation scheme of injection molding and cooling of the injection molded part.

[0040] The top of the belt conveyor 1 is fixedly provided with a shell 16, which is provided with an inlet near both sides of the input end and the output end of the belt conveyor 1, for the inlet and outlet of the lower mold 4 into and out of the shell 16, the upper mold 5 is fixedly provided in the shell 16 through a mounting seat 6, the upper mold 5 is fixedly connected with the mounting seat 6 through bolts, the barrel 8 is fixedly provided on the shell 16, the discharge pipe 9 is fixedly connected with the upper mold 5 through a connecting head, the discharge pipe 9 can be detached from the upper mold 5, the mounting seat 6 is provided with a liquid inlet pipe 10, the liquid inlet pipe 10 is connected with external cooling liquid equipment, the liquid inlet pipe 10 is fixedly connected with the shell 16, a cooling chamber is formed between the inner cavity of the mounting seat 6 and the top of the upper mold 5, cooling liquid enters the cooling chamber through the liquid inlet pipe 10 to cool the injection molded part, the shell 16 is fixedly provided with an air bag 11 in the inside, the bottom of the positioning plate 7 is fixedly connected with a connecting rod 12, the connecting rod 12 is slidingly connected with the belt conveyor 1, a notch is formed in the rear side of the shell 16 for the movement of the connecting rod 12, the bottom of the connecting rod 12 is fixedly connected with a pressing plate 13, the pressing plate 13 is arranged directly above the air bag 11, the air bag 11 is connected with the positioning plate 7 through an air inlet pipe 14, the air inlet pipe 14 penetrates through the belt conveyor 1, and the air inlet pipe 14 is a flexible pipe, the top of the positioning plate 7 is provided with an air hole 15 in communication with the air inlet pipe 14.

[0041] When working, the molten raw material in the barrel 8 is injected into the upper mold 5 and the lower mold 4 through the discharge pipe 9 for injection molding, the cooling liquid is injected between the mounting seat 6 and the upper mold 5 through the liquid inlet pipe 10 to cool the injection molded part, when the mold is opened, the positioning plate 7 drives the lower mold 4 to move away from the upper mold 5, at the same time, the positioning plate 7 drives the connecting rod 12 to move downward, the connecting rod 12 drives the pressing plate 13 to move downward, the pressing plate 13 extrudes the air bag 11, the gas in the air bag 11 is blown to the bottom of the lower mold 4 through the air inlet pipe 14 and the air hole 15 to further cool the lower mold 4, thereby improving the cooling and forming efficiency of the injection molded part.

[0042] Example three

[0043] Reference Figure 2 And Figures 4-8 The specific implementation scheme of the injection molded part demolding is further specifically disclosed.

[0044] The positioning plate 7 is fixedly connected with a mounting frame 17, the mounting frame 17 is installed with a connecting plate 18, the top of the connecting plate 18 is fixedly connected with a top rod 19, the top rod 19 is cylindrical, the outer side of the connecting plate 18 is fixedly connected with a connecting block 20, the connecting block 20 is provided with four, which are respectively arranged at the four corners of the connecting plate 18, the connecting block 20 is slidably connected with the inner wall of the mounting frame 17, the inner wall of the mounting frame 17 is fixedly connected with a guide rod 21, the guide rod 21 is longitudinally arranged, the connecting block 20 is slidably connected with the guide rod 21, the top of the connecting block 20 and the inner wall of the mounting frame 17 are installed with a first spring 22, the mounting frame 17 is rotatably installed with a cam 24 through a transmission shaft 23, the cam 24 is provided with two and symmetrically arranged, the transmission shaft 23 and the lead screw 302 are connected through a second belt transmission 25, and the second belt transmission 25 is mainly composed of a belt and a pulley matched with each other.

[0045] When working, the lower mold 4 after injection molding is conveyed to the top of the top rod 19 by the conveying belt, at this time the next lower mold 4 is conveyed to the lower side of the upper mold 5 by the conveying belt, so that the next lower mold 4 is molded and injection molded when demolding, so that continuous production can be carried out, and the production efficiency is improved. When demolding, the positioning plate 7 rises to drive the mounting frame 17 to rise, the mounting frame 17 drives the top rod 19 to rise through the connecting plate 18 to eject the injection molded part in the lower mold 4 from the lower mold 4, at the same time the lead screw 302 rotates to drive the transmission shaft 23 to rotate through the second belt transmission 25, the transmission shaft 23 drives the cam 24 to rotate, the cam 24 extrudes the connecting plate 18 to drive the connecting plate 18 to rise, the connecting plate 18 drives the top rod 19 and the connecting block 20 to rise, the connecting block 20 slides upward along the guide rod 21 and compresses the first spring 22, then the first spring 22 resets, so that the connecting plate 18 drives the top rod 19 to longitudinally shake, the top rod 19 vibrates the lower mold 4 while ejecting the injection molded part, which is beneficial to the injection molded part to better fall off from the lower mold 4, and improves the demolding efficiency.

[0046] The air inlet device 26 is fixedly installed on the belt conveyor 1, which can be a gas pump or a fan. The output end of the air inlet device 26 is fixedly connected with the top rod 19. The top rod 19 is internally hollow. The output end of the air inlet pipe 27 is arranged in the top rod 19. The air inlet pipe 27 is a flexible pipe, which can meet the movement up and down. The air inlet pipe 27 is fixedly connected with the conversion head 28. The conversion head 28 is fixedly connected with the top rod 19. The top rod 19 is provided with the air outlet 29 arranged obliquely between the top rod 19 and the conversion head 28. The air outlet 29 is arranged in a ring shape and is equidistantly arranged. The bottom of the lower mold 4 is provided with a T-shaped groove 30. The T-shaped plate 31 is slidably installed in the T-shaped groove 30. The inner wall of the T-shaped groove 30 is provided with a groove 32. The second spring 33 is installed between the inner wall of the groove 32 and the T-shaped plate 31. In the initial state, the second spring 33 is at the free end. The upper half of the T-shaped plate 31 abuts against the inner wall of the T-shaped groove 30, so that the T-shaped groove 30 is avoided. When the top rod 19 is pushed out of the T-shaped plate 31, the T-shaped plate 31 slides upward along the T-shaped groove 30. At this time, the gas generated by the air inlet device 26 can enter the T-shaped groove 30, so as to blow to the injection molding part, so as to better demold. The shell 16 is provided with a conveying belt, which is arranged above the conveying belt. After the injection molding part is demolded, the injection molding part is taken down by the mechanical hand and placed on the conveying belt.

[0047] When working, the top rod 19 enters the T-shaped groove 30 upward. The top rod 19 lifts the T-shaped plate 31. The T-shaped plate 31 stretches the second spring 33. At the same time, the air inlet device 26 blows out the gas. The gas is blown out by the air outlet 29 through the air inlet pipe 27 and the conversion head 28. The gas is obliquely upward. The gas helps the injection molding part to be demolded faster. At the same time, the injection molding part can be secondary cooled, so as to be taken by the subsequent worker, which further improves the demolding efficiency.

[0048] The automatic injection molding equipment, when in use, the belt conveyor 1 transports the lower mold 4 to the top of the positioning plate 7, at this time the belt conveyor 1 stops working, the motor 203 is started, the output end of the motor 203 drives the rotating shaft 204 to rotate, under the transmission of the first belt transmission 206, the threaded rod 205 is driven to rotate, the sliding block 207 is driven to slide transversely along the notch of the belt conveyor 1, the sliding block 207 drives the supporting rod 208 to rotate, under the restriction of the rotating drum 201 and the spline shaft 202, the supporting rod 208 drives the positioning plate 7 to move upwards, at the same time the positioning plate 7 drives the spline shaft 202 to slide upwards along the rotating drum 201, at the same time the threaded rod 205 drives the rotating drum 201 to rotate through the first bevel gear 304, the rotating drum 201 drives the spline shaft 202 to rotate, the spline shaft 202 drives the lead screw 302 to rotate through the transmission of the second bevel gear 305, the lead screw 302 drives the two sliding blocks 303 to move close to each other, the sliding blocks 303 drive the two clamping plates 301 to move close to each other, the lower mold 4 is positioned, so that the lower mold 4 is opposite to the upper mold 5 to perform mold closing, avoiding deviation during mold closing, the molten raw material in the barrel 8 is injected into the upper mold 5 and the lower mold 4 through the discharge pipe 9 to perform injection molding, the cooling liquid is poured between the mounting seat 6 and the upper mold 5 through the liquid inlet pipe 10 to cool the injection molded part, when the mold is opened, the positioning plate 7 drives the lower mold 4 to move away from the upper mold 5, at the same time the positioning plate 7 drives the connecting rod 12 to move downwards, the connecting rod 12 drives the pressing plate 13 to move downwards, the pressing plate 13 extrudes the air bag 11, the gas in the air bag 11 is blown to the bottom of the lower mold 4 through the air inlet pipe 14 and the air hole 15 to further cool the lower mold 4;

[0049] The positioning plate 7 puts the lower mold 4 on the conveying belt, at this time the conveying belt runs to convey the lower mold 4 to the top of the ejector pin 19, at this time the next lower mold 4 is conveyed to the lower side of the upper mold 5 by the conveying belt, so that the next lower mold 4 is injection molded when the mold is opened, so that continuous production can be performed, and the production efficiency is improved, when the mold is opened, the positioning plate 7 rises to drive the mounting frame 17 to rise, the mounting frame 17 drives the ejector pin 19 to rise through the connecting plate 18 to eject the injection molded part in the lower mold 4 out of the lower mold 4, at the same time the rotation of the lead screw 302 drives the transmission shaft 23 to rotate through the second belt transmission 25, the transmission shaft 23 drives the cam 24 to rotate, the cam 24 extrudes the connecting plate 18 to drive the connecting plate 18 to rise, the connecting plate 18 drives the ejector pin 19 and the connecting block 20 to rise, the connecting block 20 slides upwards along the guide rod 21 and compresses the first spring 22, then the first spring 22 resets, so that the connecting plate 18 drives the ejector pin 19 to vibrate longitudinally, the ejector pin 19 vibrates the lower mold 4 while ejecting the injection molded part, the ejector pin 19 enters the T-shaped slot 30 upwards, the ejector pin 19 lifts the T-shaped plate 31, the T-shaped plate 31 stretches the second spring 33, at the same time the air inlet device 26 blows out gas, which is blown out through the air outlet 29 by the air inlet pipe 27 and the conversion head 28, the gas is blown obliquely upwards, the gas helps the injection molded part to be demolded faster, and at the same time the injection molded part can be cooled twice, so that the subsequent workers can take it, and the demolding efficiency is further improved.

[0050] The above description is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent substitutions or changes according to the technical solution and inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An automated injection molding apparatus comprising a belt conveyor (1) and an upper mold (5) fixedly installed above the belt conveyor (1) and a lower mold (4) provided on the belt conveyor (1), a barrel (8) being installed on the belt conveyor (1), a discharge pipe (9) being connected between the upper mold (5) and an output end of the barrel (8), characterized in that, Also includes: Positioning plate (7) is arranged on the belt conveyor (1), Wherein, the belt conveyor (1) is rotatably mounted with a rotating drum (201), the rotating drum (201) is slidably mounted with a spline shaft (202), the spline shaft (202) is rotatably connected with the positioning plate (7), the belt conveyor (1) is provided with a driving part for driving the longitudinal movement of the positioning plate (7); Two symmetrical clamping plates (301) are slidably mounted on the top of the positioning plate (7), Wherein, the positioning plate (7) is provided with a connecting part, when the driving part drives the longitudinal movement of the positioning plate (7), the connecting part drives the relative movement of the clamping plate (301); The driving part comprises a motor (203) fixedly installed in the belt conveyor (1), the output end of the motor (203) is fixedly connected with a rotating shaft (204), the belt conveyor (1) is rotatably mounted with a threaded rod (205) through a bearing; The rotating shaft (204) and the threaded rod (205) are connected through a first belt drive (206), the threaded rod (205) is threadedly connected with a sliding block (207), the sliding block (207) is slidably connected with the belt conveyor (1), the sliding block (207) is rotatably mounted with a supporting rod (208), the supporting rod (208) is rotatably connected with the positioning plate (7); The connecting part comprises a lead screw (302) mounted on the positioning plate (7) through a bearing, the lead screw (302) is threadedly connected with two symmetrical sliding blocks (303), the sliding blocks (303) are slidably connected with the positioning plate (7), the two sliding blocks (303) are fixedly connected with the two clamping plates (301) respectively; The threaded rod (205) and the rotating drum (201) are fixedly connected with first bevel gears (304), the two first bevel gears (304) are meshingly connected, the spline shaft (202) and the lead screw (302) are fixedly connected with second bevel gears (305), the two second bevel gears (305) are meshingly connected; The top of the belt conveyor (1) is fixedly mounted with a housing (16), the upper die (5) is fixedly installed in the housing (16) through a mounting seat (6), the barrel is fixedly installed on the housing (16); The mounting seat (6) is provided with a liquid inlet pipe (10), the inside of the housing (16) is fixedly mounted with an air bag (11), the bottom of the positioning plate (7) is fixedly connected with a connecting rod (12), the bottom of the connecting rod (12) is fixedly connected with a pressing plate (13), the air bag (11) and the positioning plate (7) are connected with an air inlet pipe (14), the top of the positioning plate (7) is provided with an air hole (15) in communication with the air inlet pipe (14); The bottom of the lower die (4) is provided with a T-shaped groove (30), the T-shaped plate (31) is slidably mounted in the T-shaped groove (30), the inner wall of the T-shaped groove (30) is provided with a groove (32), the second spring (33) is mounted between the inner wall of the groove (32) and the T-shaped plate (31).

2. An automated injection molding apparatus as defined in claim 1, wherein The positioning plate (7) is fixedly connected with a mounting rack (17), the mounting rack (17) is provided with a connecting plate (18), and the top of the connecting plate (18) is fixedly connected with a top rod (19).

3. An automated injection molding apparatus as defined in claim 2, wherein The outer side of the connecting plate (18) is fixedly connected with a connecting block (20), the connecting block (20) is in sliding connection with the inner wall of the mounting rack (17), the inner wall of the mounting rack (17) is fixedly connected with a guide rod (21), the connecting block (20) is in sliding connection with the guide rod (21), and the top of the connecting block (20) and the inner wall of the mounting rack (17) are provided with a first spring (22).

Images