Embedded nut injection molding system with water gap milling device

Abstract

The utility model provides an embedded nut injection molding system with a water gap milling device. The device comprises a nut feeding device, an injection molding machine, a water gap milling device and a discharging conveying belt, a first mechanical arm is arranged at the front end of the nut feeding device, and the water gap milling device is arranged between the injection molding machine and the nut feeding device; a conveying guide rail and a material carrying plate in sliding fit with the conveying guide rail are arranged on the water gap milling device, through machining grooves are formed in the four ends of the material carrying plate, a milling station is arranged in the middle of the water gap milling device, and a pressing device is arranged above the milling station; the discharging conveying belt is arranged at the tail end of the water gap milling device, and a transfer mechanical arm is arranged between the water gap milling device and the discharging conveying belt. The utility model relates to the technical field of injection molding processing.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding technology field especially a kind of buried nut injection molding system with water gap milling device. BACKGROUND

[0002] In injection molding field, part of products need to be placed into injection mold in advance, then complete injection molding by injecting molten glue. The product after injection molding has many water gaps, and the traditional way is to take the product with water gap from injection molding machine, and then trim by artificial, which is inefficient, and product quality is difficult to guarantee.

[0003] At present, some enterprises also improve for this situation, such as setting up mechanical hand with shearing device to automatically shear the water gap on the product after injection molding, to realize automatic production. But some special positions of products cannot meet the precision requirement by shearing. It still needs to be further processed by artificial in later period. UTILITY MODEL CONTENT

[0004] In view of the problems in the prior art, the utility model provides a buried nut injection molding system with water gap milling device, which has high production efficiency and high milling precision for water gap of injection molded product.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is: a buried nut injection molding system with water gap milling device, comprising a nut feeding device, an injection molding machine, a water gap milling device and a discharging conveyor belt, a first mechanical hand is arranged at the front end of the nut feeding device, the water gap milling device is arranged between the injection molding machine and the nut feeding device, a conveying guide rail and a load plate in sliding cooperation with the conveying guide rail are arranged on the water gap milling device, through machining grooves are arranged at four ends of the load plate, a milling station is arranged in the middle of the water gap milling device, a pressing device is arranged above the milling station, the discharging conveyor belt is arranged at the end of the water gap milling device, and a transfer mechanical hand is arranged between the water gap milling device and the discharging conveyor belt.

[0006] Based on the above, the implementation process of the utility model is: the nut feeding device places nuts in advance to the set position, the first mechanical hand transfers nuts to the nut reserved position in the injection molding machine, the injection molding machine performs injection molding, after injection molding, the first mechanical hand takes out the product and places it on the load plate, then the load plate with the product moves to the milling station through the conveying guide rail, the lower pressing device is started, the product is pressed and pressed, the milling cutter below the milling station finely mills the nozzle of the product. After milling, the lower pressing device releases the product, the load plate moves forward by a distance, and finally the transfer mechanical hand transfers the product to the discharge conveyor belt for discharging and storing. The whole process does not need too much human participation, and the automation degree is high. In the utility model, the nozzle milling device is added, which can improve the shearing precision of the nozzle and improve the quality of the product. At the same time, the lower pressing device is fixed above the milling station, does not need to be adjusted in position, has fast pressing speed, and improves production efficiency.

[0007] Further, the nut feeding device comprises a feeding table, a vibration disc assembly and a nut receiving disc assembly are arranged on the feeding table, a nut conveying assembly is arranged between the vibration disc assembly and the nut receiving disc assembly, the nut receiving disc assembly is in sliding cooperation with the feeding table through a lead screw guide rail, and a nut standby groove is arranged on the nut receiving disc assembly.

[0008] Based on the above, the vibration disc assembly is used for combing and preparing nuts, the nut conveying assembly is used for transferring the nuts arranged in the vibration disc assembly to the nut standby groove, and then the first mechanical hand transfers the nuts in the nut standby groove to the injection molding machine.

[0009] Further, the first mechanical hand is provided with a nut feeding device and a product discharging device, a plurality of nut feeding columns are arranged on the nut feeding device, two nut feeding holes are arranged on each nut feeding column, the inside of the nut feeding hole is connected with a gas cylinder, and the product discharging device is provided with a discharging suction disc and a nozzle shearing device.

[0010] Based on the above, a single nut feeding column can simultaneously adsorb two nuts, meeting the demand of adjacent embedding of two nuts for products. Compared with the traditional nut clamping mode, the utility model places nuts in the reserved position of the injection molding machine through the air pressure adsorption and blowing mode, which has higher adaptability and does not need to reserve space for the clamping assembly.

[0011] Furthermore, the transfer robot is mounted on one side of the milling nozzle device via a mounting frame. The mounting frame is equipped with a slide rail, and the transfer robot slides in cooperation with the mounting frame via the slide rail. The transfer robot is equipped with a handling suction cup. After the product is processed by the milling station, the handling suction cup transfers the product to the unloading conveyor belt.

[0012] Based on the above, the transfer robot is used to transfer the finished product after the sprue milling is completed to the unloading conveyor belt.

[0013] Furthermore, the pressing device includes a pressing cylinder and a cylinder mounting plate. The pressing cylinder is fixedly mounted on the milling nozzle device via the cylinder mounting plate, and a pressure plate is provided on the output shaft of the pressing cylinder.

[0014] Based on the above, when the carrier plate carrying the product arrives at the milling station, the pressing cylinder pushes the pressure plate down to press the product firmly.

[0015] Furthermore, a waste collection box is provided at the lower end of the milling station.

[0016] Based on the above, the waste collection box is used to collect the waste residue that falls off during the milling of the sprue.

[0017] To more clearly illustrate the above-mentioned features of this utility model and the objectives it aims to achieve, the present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0019] Figure 2 This is a schematic diagram of the milling device structure when the material carrier tray of this utility model is in the milling station;

[0020] Figure 3 : This is the front view of the first robotic arm of this utility model;

[0021] Figure 4 : This is a bottom view of the first robotic arm of this utility model;

[0022] Figure 5 :for Figure 4 Enlarged view of section A;

[0023] Figure 6 : This is a top view of the feeding device of this utility model;

[0024] Figure 7 :for Figure 6 A schematic diagram of the structure of part B.

[0025] The reference numerals in the attached diagrams are as follows: 1. Nut feeding device; 2. Injection molding machine; 3. Sprue milling device; 4. Unloading conveyor belt; 5. First robot arm; 6. Conveyor rail; 7. Carrier plate; 8. Machining groove; 9. Milling station; 10. Pressing device; 11. Transfer robot arm; 12. Feeding table; 13. Vibratory feeder assembly; 14. Nut receiving plate assembly; 15. Nut handling assembly; 16. Lead screw guide rail; 17. Nut preparation groove; 18. Nut loading device; 19. Product unloading device; 20. Nut loading column; 21. Nut loading hole; 22. Unloading suction cup; 23. Sprue shearing device; 24. Mounting bracket; 25. Slide rail; 26. Handling suction cup; 27. Pressing cylinder; 28. Cylinder mounting plate; 29. ​​Pressure plate; 30. Milling cutter device. Detailed Implementation

[0026] like Figures 1 to 7 As shown, an injection molding system for embedded nuts with a sprue milling device includes a nut feeding device 1, an injection molding machine 2, a sprue milling device 3, and a discharge conveyor belt 4. A first robotic arm 5 is installed at the front end of the nut feeding device 1. The sprue milling device 3 is located between the injection molding machine 2 and the nut feeding device 1. A conveying guide rail 6 and a material carrier plate 7 that slides with the conveying guide rail 6 are installed on the sprue milling device 3. Through-cutting grooves 8 are installed at the four ends of the material carrier plate 7. A milling station 9 is located in the middle of the sprue milling device 3. A milling cutter 30 is installed below the milling station 9, and a pressing device 10 is installed above the milling station 9. The discharge conveyor belt 4 is located at the end of the sprue milling device 3, and a transfer robotic arm 11 is installed between the sprue milling device 3 and the discharge conveyor belt 4.

[0027] Preferably, the nut feeding device 1 includes a feeding platform 12, on which a vibratory feeder assembly 13 and a nut receiving plate assembly 14 are arranged. A nut conveying assembly 15 is arranged between the vibratory feeder assembly 13 and the nut receiving plate assembly 14. The nut receiving plate assembly 14 is slidably engaged with the feeding platform 12 via a lead screw guide rail 16. A nut preparation groove 17 is provided on the nut receiving plate assembly 14. The vibratory feeder assembly 13 is used to comb and prepare the nuts. The conveying assembly transfers the nuts combed by the vibratory feeder assembly 13 to the nut preparation groove 17. Subsequently, the first robotic arm 5 transfers the nuts in the nut preparation groove 17 to the injection molding machine 2.

[0028] Preferably, the first mechanical arm 5 is provided with a nut feeding device 18 and a product discharging device 19, the nut feeding device 18 is provided with a plurality of nut feeding columns 20, each of the nut feeding columns 20 is provided with two nut feeding holes 21, the nut feeding holes 21 are connected with air cylinders inside, and the product discharging device 19 is provided with a discharging suction disc 22 and a water gap shearing device 23. The single nut feeding column 20 can simultaneously adsorb two nuts, so as to meet the requirement of adjacent embedding of two nuts. Compared with the traditional nut clamping mode, the nut is placed in the reserved position of the injection molding machine 2 by means of air pressure adsorption and blowing, so that the adaptability is higher, and the space for clamping assembly is not needed.

[0029] Preferably, the transfer mechanical arm 11 is installed on one side of the water gap milling device 3 through a mounting frame 24, the mounting frame 24 is provided with a sliding rail 25, the transfer mechanical arm 11 is slidably connected with the mounting frame 24 through the sliding rail 25, the transfer mechanical arm 11 is provided with a carrying suction disc 26, and the carrying suction disc 26 transfers the product to the discharging conveying belt 4 after the product is processed by the milling station 9. The transfer mechanical arm 11 is used for transferring the product after water gap milling to the discharging conveying belt 4.

[0030] Preferably, the pressing device 10 comprises a pressing air cylinder 27 and an air cylinder mounting plate 28, the pressing air cylinder 27 is fixedly installed on the water gap milling device 3 through the air cylinder mounting plate 28, and a pressing plate 29 is arranged on an output shaft of the pressing air cylinder 27. When the product is carried to the milling station 9 by the loading plate 7, the pressing air cylinder 27 drives the pressing plate 29 to press downwards, so as to press the product.

[0031] Preferably, the lower end of the milling station 9 is provided with a waste collecting box. The waste collecting box is used for collecting the waste residues falling down during milling of the water gap.

[0032] The specific implementation of the embodiment is that the vibration disc assembly 13 arranges the nuts, then the conveying assembly transfers the nuts arranged by the vibration disc assembly 13 to the nut storage groove 17, the nut feeding column 20 transfers the nuts in the nut storage groove 17 to the nut reserved position in the injection molding machine 2 through the nut feeding hole 21, then the injection molding machine 2 performs injection molding, after injection molding, the first mechanical hand 5 takes out the product and places it on the carrier plate 7, and the processing groove 8 corresponds to the position of the water gap to be milled of the product. In actual production, the actions of placing the nuts into the injection molding machine 2 and taking out the product from the injection molding machine 2 are continuously performed. After taking out the product, the carrier plate 7 moves to the milling station 9 with the product, the lower pressing cylinder 27 drives the pressing plate 29 to move downward to press and compact the product, and the milling cutter 30 below the milling station 9 finely mills the water gap of the product. After milling, the pressing plate 29 moves upward to release the product, the carrier plate 7 continues to move forward by a distance, and finally the transfer mechanical hand 11 transfers the product to the discharging conveying belt 4 to perform discharging storage.

[0033] The above only describes the most optimal solution embodiment of the utility model, and is not used to limit the utility model. Various modifications or replacements of the utility model made by those skilled in the art without departing from the essence and protection scope of the utility model should be within the protection scope of the utility model.

Claims

1. An injection molding system for embedded nuts with a sprue milling device, characterized in that: The system includes a nut feeding device (1), an injection molding machine (2), a sprue milling device (3), and a discharge conveyor belt (4). The nut feeding device (1) is equipped with a first robot arm (5) at its front end. The sprue milling device (3) is located between the injection molding machine (2) and the nut feeding device (1). The sprue milling device (3) is equipped with a conveying guide rail (6) and a material carrier plate (7) that slides with the conveying guide rail (6). The material carrier plate (7) has through-processing grooves (8) at its four ends. The sprue milling device (3) has a milling station (9) in its middle. A pressing device (10) is located above the milling station (9). The discharge conveyor belt (4) is located at the end of the sprue milling device (3). A transfer robot arm (11) is located between the sprue milling device (3) and the discharge conveyor belt (4).

2. The embedded nut injection molding system with a milling gate device according to claim 1, characterized in that: The nut feeding device (1) includes a feeding platform (12), on which a vibratory feeder assembly (13) and a nut receiving plate assembly (14) are provided. A nut handling assembly (15) is provided between the vibratory feeder assembly (13) and the nut receiving plate assembly (14). The nut receiving plate assembly (14) is slidably engaged with the feeding platform (12) through a lead screw guide rail (16). A nut preparation groove (17) is provided on the nut receiving plate assembly (14).

3. The embedded nut injection molding system with a milling gate device according to claim 1, characterized in that: The first robotic arm (5) is equipped with a nut feeding device (18) and a product unloading device (19). The nut feeding device (18) is equipped with a plurality of nut feeding columns (20). Each nut feeding column (20) is equipped with two nut feeding holes (21). The nut feeding holes (21) are connected to a cylinder. The product unloading device (19) is equipped with a unloading suction cup (22) and a sprue shearing device (23).

4. The embedded nut injection molding system with a milling gate device according to claim 1, characterized in that: The transfer robot (11) is mounted on one side of the milling nozzle device (3) via a mounting frame (24). The mounting frame (24) is provided with a slide rail (25). The transfer robot (11) slides and engages with the mounting frame (24) via the slide rail (25). The transfer robot (11) is provided with a transport suction cup (26). After the product is processed by the milling station (9), the transport suction cup (26) transfers the product to the unloading conveyor belt (4).

5. The embedded nut injection molding system with a milling gate device according to claim 1, characterized in that: The pressing device (10) includes a pressing cylinder (27) and a cylinder mounting plate (28). The pressing cylinder (27) is fixedly mounted on the milling nozzle device (3) via the cylinder mounting plate (28). A pressure plate (29) is provided on the output shaft of the pressing cylinder (27).

6. The embedded nut injection molding system with a milling gate device according to claim 1, characterized in that: A waste collection box is provided at the lower end of the milling station (9).

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