A material feeding and conveying device for an injection molding machine

Abstract

The invention discloses a material unloading and conveying device for an injection molding machine, wherein the material unloading and conveying device for an injection molding machine comprises a frame; a conveying mechanism for conveying materials; a lifting mechanism, wherein a first belt transmission component and a first servo motor are arranged on the lifting mechanism, and the servo motor is connected to the belt transmission component through a lifting synchronous belt; a boxing mechanism, and the boxing mechanism is used to carry cardboard and materials; a power roller line, wherein the power roller line is arranged on one side of a material inlet and outlet position of the lifting mechanism, and the power roller line is composed of a plurality of sections, and each section of the power roller line is provided with a roller servo motor, a controller and a sensor, and the servo motor controls the rotation angle of the roller on each section of the roller line, and each servo motor is controlled by the controller, and the sensor senses the position of the material and feeds back the signal to the controller, and the controller controls the servo motor to start according to the signal, and the lifting mechanism is also provided with a servo motor and a belt transmission component to control the speed and displacement of material transportation.

Description

Technical Field

[0001] The invention relates to the field of assembly line transportation, and in particular to a material unloading and conveying device for an injection molding machine. Background Art

[0002] The existing assembly line uses a cylinder to cooperate with the limit block to rise, and the rollers of the powered roller line will continue to rotate. However, this will cause the material box to be greatly impacted when the limit block rises while it is circulating on the powered roller line, and when entering other mechanisms, the powered roller line continues to rotate, resulting in an unreduced speed. The material box directly hits the workstation of other mechanisms, causing the positioning tooling of the workstation to be impacted and worn, and also affecting the positioning accuracy of the workstations of other mechanisms, thereby affecting the accuracy of material placement. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes an injection molding machine unloading conveying device, which can control the speed and position of the material on the power roller line, and prevent the material from impacting the positioning tooling due to excessive speed and affecting the positioning accuracy.

[0004] According to a first aspect of the present invention, a material unloading and conveying device for an injection molding machine is provided.

[0005] frame;

[0006] A transport mechanism, which is arranged on one side of the frame and is used to transport materials;

[0007] A lifting mechanism, the lifting mechanism is arranged on the frame, the lifting mechanism is provided with a first belt transmission assembly and a first servo motor, and the servo motor is connected to the belt transmission assembly through a lifting synchronous belt;

[0008] A packing mechanism, which is arranged on the lifting mechanism and is used to carry cardboard and materials;

[0009] The powered roller line is arranged on one side of the material entry and exit position of the lifting mechanism. The powered roller line consists of several sections. Each section of the powered roller line is provided with a roller servo motor, a controller and a material sensor. The servo motor controls the rotation angle of the roller on each section of the roller line. Each servo motor is controlled by the controller. The material sensor is arranged on one side of the roller. The material sensor is used to detect the material position.

[0010] According to an embodiment of the present invention, an injection molding machine unloading and conveying device has at least the following beneficial effects: by dividing the power roller line into several sections, each section is respectively provided with a servo motor, a controller and a material sensor, the material sensor senses the position of the material and feeds back the signal to the controller, the controller controls the servo motor to start according to the signal, and the lifting mechanism is also provided with a servo motor and a belt transmission assembly to control the speed and displacement of material transportation. The material is controlled by the controller and the servo motor from the power roller line to the workstation, instead of the prior art using the cylinder limit block method, to avoid the impact of the material on the positioning tooling to affect the positioning accuracy, and at the same time avoid the situation where the power roller line is constantly rotating. When waiting at the workstation, the controller will stop the servo motor, thereby stopping the roller from rotating and reducing energy consumption.

[0011] According to some embodiments of the present invention, the powered roller line is provided with a lifting docking platform, which is arranged at the other end relative to the lifting mechanism. The lifting docking platform is used to dock with the AGV transport vehicle. The materials of the powered roller line are transported to the lifting docking platform, and the lifting docking platform descends to the same height as the feeding position of the AGV transport vehicle to transport the materials to the AGV transport vehicle.

[0012] According to some embodiments of the present invention, a lifting docking platform is provided with a first lifting unit and a conveying unit, the first lifting unit is provided with a power element and a lifting pallet, the conveying unit is provided on the lifting pallet, the conveying unit is provided with a second servo motor group and a second belt transmission component, the second belt transmission components are respectively provided on both sides of the second servo motor group, the second belt transmission component is provided with a driving shaft, the driving shaft connects the belt transmission components on both sides, the second servo motor group and the belt transmission component are synchronous belt driven, the power element lifts the lifting pallet, the second servo motor controls the second belt transmission component to receive materials, the power element makes the lifting pallet drop to the same height as the AGV transport vehicle, the second servo motor controls the second belt transmission component to slowly output the materials to the AGV transport vehicle, to avoid the situation where the materials are too fast and cause collisions, thereby realizing logistics automation docking.

[0013] According to some embodiments of the present invention, the powered roller line is configured with two layers, one layer being an input end and the other layer being an output end, with the transport directions being opposite, thereby improving the efficiency of material transport and realizing automated docking.

[0014] According to some embodiments of the present invention, a slag retaining plate is further provided under the roller of the powered roller line. During transportation, the material above the double-layer powered roller line is prone to drop dirty waste onto the material on the powered roller line below. Adding the slag retaining plate can effectively retain the dirty waste.

[0015] According to some embodiments of the present invention, the lifting mechanism is further provided with a third servo motor, a lifting screw group, a base plate and a slider. The lifting screw group is arranged on the frame, the third servo motor is connected to the input end of the lifting screw group, the slider is connected to the lifting screw group, and the base plate is connected to the slider. The servo motor can accurately control the height of the base plate so that the first belt transmission assembly and the power roller line are at the same horizontal height, thereby ensuring that the material can be smoothly transmitted to the lifting mechanism.

[0016] According to some embodiments of the present invention, a cartoning mechanism is provided with a cardboard feeding assembly and a cardboard lifting assembly. The cardboard feeding assembly is arranged on a frame and is provided with a second lifting unit and a feeding plate. The second lifting unit is connected to the frame, and the feeding plate is connected to the second lifting unit. The cardboard lifting assembly is provided with a fourth servo motor, a positioning screw rod group, a support member and a threaded sleeve. The threaded sleeve is arranged in the bottom plate. The fourth servo motor is connected to the threaded sleeve through a lifting synchronous belt. The positioning screw rod group is connected to the threaded sleeve. The support member is arranged on the positioning screw rod group. The support member performs lifting motion relative to the lifting mechanism. The material box is lifted to a specified height by the second lifting unit, and then the support member is lifted to a specified height by the fourth servo motor. The support rises to a specified height, the cardboard loading component supplies the cardboard material, the conveying mechanism places the cardboard on the support, the conveying mechanism then places the material on the cardboard, the support drops a distance, which is the total height of the cardboard and the material, the cardboard loading component increases the distance of the thickness of the bottom cardboard, the conveying mechanism takes the cardboard and the material again, the support drops the same distance again, the cardboard loading component increases the distance of the thickness of the bottom cardboard, and the cycle continues until the support reaches the bottom of the material box, completing the automatic placement of the material, and sending the material box out through the belt conveyor mechanism, replacing the manual work of automatically placing the cardboard and material, and realizing the function of automatic packing.

[0017] According to some embodiments of the present invention, the support member is a round rod, and the lifting mechanism is provided with a through hole corresponding to the support member. A sliding bearing is provided in the through hole. The sliding bearing ensures that the support member will not produce radial deviation, so that the support member rises vertically and improves the material positioning accuracy.

[0018] According to some embodiments of the present invention, the cardboard loading assembly is provided with limiting guide strips on all sides of the first pallet except the side away from the lifting mechanism. The limiting guide strips have a smooth surface and limit the position of the cardboard through the guide strips, thereby improving the positioning accuracy of the cardboard.

[0019] According to some embodiments of the present invention, the cardboard loading assembly is further provided with a cardboard sensor for sensing the presence or absence of cardboard to avoid a situation where the cardboard is empty due to lack of cardboard.

[0020] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0022] Figure 1 is a schematic diagram of the entire device of an embodiment of the present invention;

[0023] Figure 2 for Figure 1 A schematic diagram of the power roller line of the overall device is shown;

[0024] Figure 3 for Figure 2 A schematic diagram of a lifting docking station of a power roller line is shown;

[0025] Figure 4 for Figure 3 A left side view of the lifting dock is shown;

[0026] Figure 5 for Figure 1 A schematic diagram of the back side of the lifting mechanism and the packing mechanism of the whole device is shown;

[0027] Figure 6 for Figure 1 A front view schematic diagram of the lifting mechanism and the packing mechanism of the overall device is shown;

[0028] Figure 7 for Figure 6 A schematic diagram of a cardboard lifting assembly of a packing mechanism is shown;

[0029] Figure 8 for Figure 7 A front view of the cardboard lifting assembly is shown.

[0030] Reference numerals:

[0031] Frame 100; lifting mechanism 200; third servo motor 210; lifting screw rod assembly 220; slider 230; bottom plate 240;

[0032] Packing mechanism 300; loading plate 310; limiting guide strip 320; second lifting unit 330; cardboard lifting assembly 340; fourth servo motor 341; positioning screw rod assembly 342; support member 343; threaded sleeve 344; sliding bearing 345; belt transmission mechanism 350;

[0033] Power roller line 400; roller servo motor 410; controller 420; material sensor 430; lifting docking platform 440; lifting support plate 441; second servo motor 442; second belt transmission assembly 443; lifting synchronous belt 444; drive shaft 445; power element 446; roller 450. DETAILED DESCRIPTION

[0034] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0035] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0036] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0037] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0038] Reference Figures 1 to 8 An injection molding machine material unloading and conveying device provided by an embodiment of the present invention is shown, comprising:

[0039] Rack 100;

[0040] A transport mechanism (not shown), which is disposed on one side of the frame 100 and is used to transport materials;

[0041] A lifting mechanism 200, the lifting mechanism 200 is arranged on the frame 100, and a first belt transmission assembly and a first servo motor are arranged on the lifting mechanism 200, and the servo motor is connected to the belt transmission assembly through a synchronous belt;

[0042] A packing mechanism, which is arranged on the lifting mechanism 200 and is used to carry cardboard and materials;

[0043] The power roller line 400 is arranged on one side of the material inlet and outlet position of the lifting mechanism 200. The power roller line 400 is composed of several sections. Each section of the power roller line 400 is provided with a roller 450 servo motor 410, a controller 420 and a material sensor 430. The servo motor controls the rotation angle of the roller 450 on each section of the roller 450 line. Each servo motor is controlled by the controller 420. The material sensor 430 is arranged on one side of the roller 450. The material sensor 430 detects the material position.

[0044] The powered roller line 400 is divided into several sections, each section is provided with a servo motor, a controller 420 and a material sensor 430. The material sensor 430 senses the position of the material and feeds back the signal to the controller 420. The controller 420 controls the servo motor to start according to the signal. The lifting mechanism 200 is also provided with a servo motor and a belt transmission assembly to control the speed and displacement of material transportation. The material is controlled by the controller 420 and the servo motor from the powered roller line 400 to the work station. Instead of the prior art using a cylinder limit block, the impact of the material on the positioning tooling to affect the positioning accuracy is avoided, and the situation where the powered roller line 400 is constantly circulating is avoided. When waiting at the work station, the controller 420 will stop the servo motor to reduce energy consumption.

[0045] According to some embodiments of the present invention, Figures 2 to 4 As shown, the powered roller line 400 is provided with a lifting docking platform 440, which is arranged at the other end relative to the lifting mechanism 200. The lifting docking platform 440 is used to dock with the transport vehicle. The materials of the powered roller line 400 are transported to the lifting docking platform 440, and the lifting docking platform 440 descends to the same height as the feeding position of the AGV transport vehicle to transport the materials to the AGV transport vehicle.

[0046] According to some embodiments of the present invention, Figures 2 to 4As shown, the lifting docking platform 440 is provided with a first lifting unit and a conveying unit. The first lifting unit is provided with a power element 446 and a lifting pallet 441. The conveying unit is arranged on the lifting pallet 441. The conveying unit is provided with a second servo motor 442 group and a second belt conveyor assembly 443. The second belt conveyor assembly 443 is respectively arranged on both sides of the second servo motor 442 group. The second belt conveyor assembly 443 is provided with a driving shaft 445. The driving shaft 445 connects the belt conveyor assemblies on both sides. The second servo motor 442 group and the belt conveyor assembly are synchronous belt transmission. The power element 446 lifts the lifting pallet 441. The second servo motor 442 controls the second belt conveyor assembly 443 to receive materials. The power element 446 makes the lifting pallet 441 drop to the same height as the AGV transport vehicle. The second servo motor 442 controls the second belt conveyor assembly 443 to slowly output the materials to the AGV transport vehicle to avoid the situation where the material speed is too fast and causes a collision with the machine, thereby realizing logistics automation docking.

[0047] According to some embodiments of the present invention, Figure 1 to Figure 2 As shown, the powered roller line 400 is arranged in two layers, one layer is the input end, and the other layer is the output end, with the transport directions being opposite, thereby improving the efficiency of material transport and realizing automated docking.

[0048] Specifically, the upper layer is the box input end, and the lower layer is the output end after the materials are boxed. The lower layer is connected to the lifting docking platform 440 to facilitate the output of materials to the AGV transport vehicle.

[0049] According to some embodiments of the present invention, Figure 5 As shown, the lifting mechanism 200 is also provided with a third servo motor 210, a lifting screw rod group 220, a base plate 240 and a slider 230. The lifting screw rod group 220 is arranged on the frame 100, the third servo motor 210 is connected to the input end of the lifting screw rod group 220, the slider 230 is connected to the lifting screw rod group 220, and the base plate 240 is connected to the slider 230. The servo motor can accurately control the height of the base plate 240, so that the first belt transmission assembly and the power roller line 400 are at the same horizontal height, ensuring that the material can be smoothly transmitted to the lifting mechanism 200.

[0050] According to some embodiments of the present invention, Figures 5 to 8As shown, the packing mechanism is provided with a cardboard feeding component and a cardboard lifting component 340. The cardboard feeding component is arranged on the frame 100 and is provided with a second lifting unit 330 and a feeding plate 310. The second lifting unit 330 is connected to the frame 100, and the feeding plate 310 is connected to the second lifting unit 330; the cardboard lifting component 340 is provided with a fourth servo motor 341, a positioning screw rod group 342, a support member 343 and a threaded sleeve 344, the threaded sleeve 344 is arranged in the bottom plate 240, the fourth servo motor 341 is connected to the threaded sleeve 344 through a synchronous belt, the positioning screw rod group 342 is connected to the threaded sleeve 344, the support member 343 is arranged on the positioning screw rod group 342, and the support member 343 performs lifting movement relative to the lifting mechanism 200. The material box is raised to a specified height by the second lifting unit 330, and then the support member 343 is raised to a specified height by the fourth servo motor 341, the cardboard feeding assembly supplies the cardboard, the conveying mechanism places the cardboard on the support member 343, and the conveying mechanism places the material on the cardboard, and the support member 343 descends a distance, which is the total height of the cardboard and the material, the cardboard feeding assembly raises the distance of the cardboard thickness of the bottom plate 240, the conveying mechanism takes the cardboard and the material to be placed again, and the support member 343 descends the same distance again, and the cardboard feeding assembly raises the distance of the cardboard thickness of the bottom plate 240, and the cycle is repeated until the support member 343 reaches the bottom of the material box, the material is automatically placed, and the material box is sent out through the belt conveyor mechanism 350, replacing the manual work of automatically placing the cardboard and the material, and realizing the function of automatic boxing.

[0051] According to some embodiments of the present invention, Figure 7 to Figure 8 As shown, the support member 343 is a round rod, and a through hole corresponding to the support member 343 is provided on the lifting mechanism 200. A sliding bearing 345 is provided in the through hole. The sliding bearing 345 ensures that the support member 343 will not produce radial deviation, so that the support member 343 rises vertically, thereby improving the material positioning accuracy.

[0052] According to some embodiments of the present invention, Figure 1 to Figure 2 As shown, a slag retaining plate is provided below the roller 450 of the powered roller line 400. The material above the double-layer powered roller line 400 is prone to drop dirty waste onto the material on the powered roller line 400 below during transportation. Adding the slag retaining plate can effectively retain the dirty waste.

[0053] According to some embodiments of the present invention, Figure 5 to Figure 6 As shown, the cardboard loading assembly is provided with limiting guide bars 320 on all sides of the first support plate except the side away from the lifting mechanism 200. The limiting guide bars 320 have a smooth surface and limit the position of the cardboard to improve the positioning accuracy of the cardboard.

[0054] According to some embodiments of the present invention, Figure 5 to Figure 6As shown, the cardboard feeding assembly is also provided with a cardboard sensor for sensing the presence of cardboard to avoid the situation where the cardboard is empty due to lack of cardboard.

[0055] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A material feeding and conveying device for an injection molding machine, characterized in that: include: frame; A lifting mechanism, wherein the lifting mechanism is arranged on the frame, and a first belt transmission assembly and a first servo motor are arranged on the lifting mechanism, and the first servo motor is connected to the first belt transmission assembly through a lifting synchronous belt; A packing mechanism, which is arranged on the lifting mechanism and is used to carry cardboard and materials; A transport mechanism, which is arranged on one side of the frame and is used to transport cardboard and materials; A powered roller line, the powered roller line is arranged on one side of the material entry and exit position of the lifting mechanism, the powered roller line is composed of several sections, each section of the powered roller line is provided with a roller, a roller servo motor, a controller and a material sensor, the roller servo motor is connected to the roller, the roller servo motor is connected to the controller, and the controller is connected to the material sensor; the roller servo motor controls the rotation angle of the roller on each section of the roller line, and each roller servo motor is controlled by the controller, the material sensor is arranged on one side of the roller, and the material sensor is used to detect the material position; The lifting mechanism is also provided with a third servo motor, a lifting screw rod group, a bottom plate and a slider, the lifting screw rod group is arranged on the frame, the third servo motor is connected to the input end of the lifting screw rod group, the slider is connected to the lifting screw rod group, and the bottom plate is connected to the slider; The packing mechanism is provided with a cardboard feeding assembly and a cardboard lifting assembly. The cardboard feeding assembly is arranged on the frame and is provided with a second lifting unit and a feeding plate. The second lifting unit is connected to the frame, and the feeding plate is connected to the second lifting unit; the cardboard lifting assembly is provided with a fourth servo motor, a positioning screw rod group, a support member, a pull plate and a threaded sleeve. The threaded sleeve is arranged in the bottom plate, the fourth servo motor is connected to the threaded sleeve through a synchronous belt, the positioning screw rod group is connected to the threaded sleeve, the lower end of the positioning screw rod group is connected to the pull plate, the support member is arranged on the pull plate, and the support member performs lifting and lowering motion relative to the lifting mechanism.

2. The material feeding and conveying device for an injection molding machine according to claim 1, characterized in that: The power roller line is provided with a lifting docking platform, and the lifting docking platform is arranged at the other end of the power roller line away from the lifting mechanism, and the lifting docking platform is used to dock with the AGV transport vehicle.

3. The material feeding and conveying device for an injection molding machine according to claim 2, characterized in that: The lifting docking platform is provided with a first lifting unit and a conveying unit, the first lifting unit is provided with a power element and a lifting pallet, the power element is located below the lifting pallet and connected thereto, the conveying unit is provided on the lifting pallet, the conveying unit is provided with a second servo motor group and a second belt transmission assembly, the second belt transmission assembly is respectively provided on both sides of the lifting pallet, the second belt transmission assembly is provided with a driving shaft, the driving shaft connects the belt transmission assemblies on both sides, and the second servo motor group and the belt transmission assembly are synchronous belt driven.

4. The material feeding and conveying device for an injection molding machine according to claim 1, characterized in that: The support member is a round rod, and the lifting mechanism is provided with a through hole corresponding to the support member, and a sliding bearing is provided in the through hole.

5. The material unloading and conveying device for an injection molding machine according to claim 1, characterized in that: The paperboard feeding assembly is provided with a limiting guide bar, and the surface of the limiting guide bar is smooth.

6. The material unloading and conveying device for an injection molding machine according to claim 1, characterized in that: The paperboard feeding assembly is also provided with a paperboard sensor.

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