An automatic feeding and discharging complete device for injection molding production of vehicle interior parts

Abstract

The application discloses a kind of vehicle interior part injection molding production complete sets of device of automatic feeding and discharging, it is related to injection molding production technical field, the injection molding production complete sets of device includes workbench, hot melt conveying module, injection hydraulic cylinder, pressure relief module, feeding module, mould assembly, ejection module and material taking module, workbench placement plane, workbench is provided material taking module, workbench and mould assembly are fixedly connected, workbench is provided hot melt conveying module, hot melt conveying module and injection hydraulic cylinder are fixedly connected, hot melt conveying module and pressure relief module are fixedly connected, hot melt conveying module and feeding module are fixedly connected, hot melt conveying module and mould assembly are pasted, several ejection modules are provided on mould assembly, the device can realize automatic feeding and discharging, ejection module can be inhaled gas control product and mould separation, ejection module can also discharge gas in cavity, ejection module is automatically limited when injection molding to prevent being pressed and moving, pressure relief module prevents injection molding pressure too big.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of injection molding production, in particular to an automatic feeding and discharging vehicle interior part injection molding production complete device. BACKGROUND

[0002] Some automobile interior parts are soft and thin, which are easy to be damaged during injection molding production, and are not convenient to separate, and the ejector pin cannot eject the interior part completely.

[0003] In the prior art, the injection molding device is prone to excessive injection molding pressure, which can cause the mold to bear a large force, possibly causing deformation of the mold cavity, core and other components, causing the plastic melt to overflow and form a flash. SUMMARY

[0004] The present application aims to provide an automatic feeding and discharging vehicle interior part injection molding production complete device to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: an automatic feeding and discharging vehicle interior part injection molding production complete device, comprising a workbench, a hot melt conveying module, an injection hydraulic cylinder, a pressure relief module, a feeding module, a mold assembly, an ejection module and a material taking module, the workbench is placed on a plane, the feeding module is placed on a plane, the material taking module is arranged on the workbench, the workbench is fixedly connected with the mold assembly, the hot melt conveying module is arranged on the workbench, the hot melt conveying module is fixedly connected with a plurality of injection hydraulic cylinders, the hot melt conveying module is fixedly connected with the pressure relief module, the hot melt conveying module is fixedly connected with the feeding module, the hot melt conveying module is attached to the mold assembly, and a plurality of ejection modules are arranged on the mold assembly.

[0006] The workbench is used to fix various components, the plastic particles are placed in the feeding module, the feeding module conveys the plastic particles to the hot melt conveying module, the hot melt conveying module heats the plastic particles into a plastic melt, the ejection module discharges the gas in the mold assembly, the injection hydraulic cylinder injects the plastic melt into the mold assembly to cool and form, when the injection pressure is too large, the excess plastic melt enters the pressure relief module, preventing the mold assembly from being damaged due to excessive pressure and the injection product from forming a flash, the ejection module can separate the formed product from the mold assembly, and the material taking module takes out the formed product.

[0007] Further, the hot melt conveying module comprises a connecting block, a fixed block, a barrel, a screw, a heater, a support column, a sliding block and a drive motor, the connecting block is fixedly connected with the workbench, the fixed block is fixedly connected with the workbench, a sliding groove is arranged on the fixed block, the fixed block is slidably connected with the sliding block through the sliding groove, mounting holes are arranged at two ends of the fixed block, the fixed block is fixedly connected with the injection molding hydraulic cylinder through the mounting holes, connecting bosses are arranged at two ends of the sliding block, the sliding block is fixedly connected with the telescopic end of the injection molding hydraulic cylinder through the connecting bosses, the sliding block is fixedly connected with the drive motor, the barrel is arranged on the connecting block, the screw is attached to the inside of the barrel, one end of the screw passes through the connecting block and the sliding block in sequence, the screw is slidably connected with the connecting block, and the screw is fixedly connected with the drive motor, a plurality of heaters are arranged on the barrel, one end of the barrel away from the connecting block is fixedly connected with the support column, the barrel is fixedly connected with the pressure relief module, the barrel is attached to the mold assembly, and the top end of the connecting block is fixedly connected with the feeding module; the connecting block is used for fixing various components, the fixed block can prevent the sliding block from deviating when moving, the drive motor controls the rotation of the screw, the plastic particles in the barrel are uniformly stirred and conveyed to the pouring head of the barrel, the heaters gradually heat the plastic particles into plastic melt, the support column prevents the pouring head of the barrel from sinking, and the connecting block and the support column are connected with the workbench through sliding rails, so that the connecting block and the support column are convenient to move, and the injection molding hydraulic cylinder controls the movement of the screw through the sliding block, and the plastic melt is injected into the mold assembly.

[0008] Further, the pressure relief module comprises a pressure relief pipe, a push rod, a push block, a guide block, a connecting rod, a counterweight block, a ventilation pipe, a double-head piston and a limiting block, the barrel is fixedly connected with the pressure relief pipe, and the barrel is in communication with the pipeline of the pressure relief pipe, the push block is arranged in the pressure relief pipe, the push block is slidably connected with the pressure relief pipe, the push block is fixedly connected with the push rod, one end of the push rod passes through the pressure relief pipe and is fixedly connected with the counterweight block, the push rod is slidably connected with the pressure relief pipe, the outer side of the pressure relief pipe is slidably connected with the guide block, a plurality of connecting rods are arranged on the guide block, and the top ends of the connecting rods are fixedly connected with the counterweight block, the top end of the pressure relief pipe is provided with the ventilation pipe, the pressure relief pipe is in communication with the pipeline of the ventilation pipe, the ventilation pipe is slidably connected with the double-head piston, and the limiting block is arranged at one end of the ventilation pipe away from the pressure relief pipe, the limiting block is provided with a through hole, when the push block is located at the bottom end of the pressure relief pipe, the double-head piston is located at one end of the ventilation pipe close to the pressure relief pipe; the pressure relief pipe is convenient for storing plastic melt, the counterweight block provides pressure for the push block through the push rod, prevents the plastic melt from entering the pressure relief pipe under low pressure, the counterweight block is connected with the guide block through the connecting rod, prevents the counterweight block from deviating, the push block is difficult to achieve complete sealing, the double-head piston and the ventilation pipe can prevent impurities in the air from entering and affecting the recycling of the plastic melt, and the limiting block limits the sliding distance of the double-head piston.

[0009] Further, the feeding module comprises a spiral feeding unit and a hopper, the spiral feeding unit is placed on a plane, the spiral feeding unit is fixedly connected with the hopper, the hopper is fixedly connected with the connecting block, the connecting block is provided with a feeding hole, and the hopper is communicated with the barrel pipeline through the feeding hole of the connecting block.

[0010] Further, the mold assembly comprises a mold closing hydraulic cylinder, a mold frame, a movable plate, a fixed plate, a female die, a male die, a flow guide assembly, a guide column and a limiting module, the mold frame is fixedly connected with the workbench, a plurality of guide columns are arranged on the mold frame, the guide columns are fixedly connected with the movable plate and the fixed plate, the movable plate is slidably connected with the guide columns, the movable plate is fixedly connected with the female die, the fixed plate is provided with a mounting groove, the mounting groove of the fixed plate is fixedly connected with the male die, a plurality of flow guide assemblies are arranged on the male die, the mold closing hydraulic cylinder is fixedly connected with the mold frame, and the extension end of the mold closing hydraulic cylinder is fixedly connected with the movable plate through the mold frame.

[0011] Further, the ejection module comprises a fixed tube, a connecting tube, an ejection rod, a limiting base, a connecting column and a reset spring, the connecting tube is provided with a fixed boss, the connecting tube is fixedly connected with the fixed tube through the fixed boss, the ejection rod is provided with an ejection boss at the top end, the ejection boss of the ejection rod is slidably connected with the connecting tube, the bottom of the fixed tube is provided with a plurality of connecting columns, the connecting columns are fixedly connected with the limiting base, the limiting base is provided with a circular hole, the limiting base is slidably connected with the ejection rod through the circular hole, the bottom of the ejection rod is provided with a limiting boss, the end of the ejection rod close to the limiting boss is provided with a reset spring, a plurality of avoiding holes are arranged on the movable plate, and the avoiding holes of the movable plate are fixedly connected with the fixed tube.

[0012] Further, the flow guide assembly comprises a fixed rod and a spiral piece, the fixed rod is fixedly connected with the spiral piece, the male die is provided with a plurality of cooling holes, the spiral piece is attached to the cooling holes of the male die, and the pitch of the spiral piece gradually increases along the water flow direction; the cooling liquid gradually rises in temperature, resulting in a gradually decreasing cooling effect, the pitch of the spiral piece gradually increases along the water flow direction, increasing the contact between the cooling liquid and the die, and gradually improving the heat exchange cooling effect of the cooling liquid.

[0013] Further, the limiting module comprises a sliding rod and a limiting plug, the movable plate is provided with a plurality of air inlet holes at two ends respectively, the air inlet holes of the movable plate are in pipeline communication with the position avoiding holes of the movable plate, the sliding rod is slidably connected with the air inlet holes of the movable plate, the limiting plug is fixedly connected with the air inlet holes of the movable plate, and the limiting plug is provided with an air hole; the position avoiding holes of the movable plate discharge gas when vacuum suction, one end of the sliding rod away from the position avoiding holes of the movable plate is in air communication, is affected by air pressure and slides inward, and finally abuts against the limiting boss of the ejection rod, so that the ejection rod is prevented from moving due to increased pressure.

[0014] Further, the inner hole diameter of the connecting pipe is smaller than that of the fixed pipe, the position avoiding holes of the movable plate are in pipeline communication through the air conveying pipe, one end of the air conveying pipe is used for vacuum suction, and the other end is used for air conveying; the inner hole diameter of the connecting pipe is smaller than that of the fixed pipe, the fixed pipe is in communication with the chamber when the ejection rod moves downward, one end of the air conveying pipe is used for vacuum suction, the other end is used for air conveying, and electromagnetic valves are installed at both ends to prevent the two ends of the air conveying pipe from being directly connected.

[0015] Further, the material taking module comprises an automatic gripper and a vacuum chuck, the automatic gripper is fixedly connected with the workbench, and the vacuum chuck is arranged on the automatic gripper; the automatic gripper controls the vacuum chuck to move to take out the cooled and formed product, thereby improving production efficiency.

[0016] Compared with the prior art, the beneficial effects of the present application are:

[0017] 1. The ejection module can discharge the gas in the female die and the male die through vacuum suction, improve the filling speed of the plastic melt, reduce the generation of weld marks, prevent rapid cooling in places with relatively thin thickness, and separate the product by introducing gas, thereby preventing damage caused by direct ejection of the product;

[0018] 2. The limiting module prevents the ejection rod from moving when the pressure increases;

[0019] 3. The pressure relief module prevents the mold from being damaged and the injection molding product from being flash when the injection pressure is too large. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0021] Figure 2 Schematic diagram of sectional structure of pressure relief module connected with barrel of the application;

[0022] Figure 3 Schematic diagram of enlarged structure at A of Figure 2

[0023] Figure 4 Schematic diagram of mold assembly structure of the application;

[0024] Figure 5 Schematic diagram of partial structure of mold assembly and structure of ejection module of the application;

[0025] Figure 6 Schematic diagram of movable plate, die, limiting module and ejection module structure of the application;

[0026] Figure 7 Schematic diagram of enlarged structure at B of Figure 6

[0027] Figure 8 Schematic diagram of enlarged structure at C of Figure 7

[0028] Figure 9 Schematic diagram of flow guide assembly structure of the application.

[0029] In the figure: 1, workbench; 2, hot melt conveying module; 21, connecting block; 22, fixed block; 23, barrel; 24, screw; 25, heater; 26, support column; 27, sliding block; 28, driving motor; 3, injection hydraulic cylinder; 4, pressure relief module; 41, pressure relief pipe; 42, push rod; 43, push block; 44, guide block; 45, connecting rod; 46, counterweight block; 47, air exchange pipe; 48, double-headed piston; 49, limiting block; 5, feeding module; 51, spiral feeding unit; 52, hopper; 6, mold assembly; 61, mold closing hydraulic cylinder; 62, mold frame; 63, movable plate; 64, fixed plate; 65, die; 66, punch; 67, flow guide assembly; 671, fixed rod; 672, spiral fin; 68, guide column; 69, limiting module; 691, sliding rod; 692, limiting block; 7, ejection module; 71, fixed pipe; 72, connecting pipe; 73, ejection rod; 74, limiting base; 75, connecting column; 76, return spring; 8, material taking module; 81, automatic gripper; 82, vacuum chuck. DETAILED DESCRIPTION

[0030] ​​​The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Example: Figures 1-9 As shown, the present invention provides a technical solution: an automatic feeding and unloading injection molding production set of vehicle interior parts, including a workbench 1, a hot melt conveying module 2, injection hydraulic cylinders 3, a pressure relief module 4, a feeding module 5, a mold assembly 6, an ejection module 7, and a material handling module 8. The workbench 1 is placed on a plane, the feeding module 5 is placed on a plane, the material handling module 8 is provided on the workbench 1, the workbench 1 is fixedly connected to the mold assembly 6, the hot melt conveying module 2 is provided on the workbench 1, the hot melt conveying module 2 is fixedly connected to several injection hydraulic cylinders 3, the hot melt conveying module 2 is fixedly connected to the pressure relief module 4, the hot melt conveying module 2 is fixedly connected to the feeding module 5, the hot melt conveying module 2 is attached to the mold assembly 6, and several ejection modules 7 are provided on the mold assembly 6.

[0032] The workbench 1 is used to fix various components. Plastic granules are placed into the feeding module 5, which then transports them to the hot melt conveying module 2. The hot melt conveying module 2 heats the plastic granules into a plastic melt. The ejection module 7 discharges the gas from the mold assembly 6. The injection hydraulic cylinder 3 injects the plastic melt into the mold assembly 6 for cooling and molding. When the injection pressure is too high, the excess plastic melt enters the pressure relief module 4 to prevent damage to the mold assembly 6 due to excessive pressure and flash on the injection molded product. The ejection module 7 can separate the molded product from the mold assembly 6. The material removal module 8 removes the molded product.

[0033] like Figure 1As shown, the hot melt conveying module 2 comprises a connecting block 21, a fixed block 22, a barrel 23, a screw 24, a heater 25, a support column 26, a sliding block 27 and a drive motor 28, the connecting block 21 is fixedly connected with the workbench 1, the fixed block 22 is fixedly connected with the workbench 1, the fixed block 22 is provided with a sliding groove, the fixed block 22 is slidably connected with the sliding block 27 through the sliding groove, the fixed block 22 is provided with mounting holes at both ends, the fixed block 22 is fixedly connected with the injection hydraulic cylinder 3 through the mounting holes, the sliding block 27 is provided with connecting bosses at both ends, the sliding block 27 is fixedly connected with the telescopic end of the injection hydraulic cylinder 3 through the connecting bosses, the sliding block 27 is fixedly connected with the drive motor 28, the barrel 23 is arranged on the connecting block 21, the screw 24 is attached to the inside of the barrel 23, one end of the screw 24 passes through the connecting block 21 and the sliding block 27 in sequence, the screw 24 is slidably connected with the connecting block 21, the screw 24 is fixedly connected with the drive motor 28, a plurality of heaters 25 are arranged on the barrel 23, one end of the barrel 23 away from the connecting block 21 is fixedly connected with the support column 26, the barrel 23 is fixedly connected with the pressure relief module 4, the barrel 23 is attached to the mold assembly 6, and the top end of the connecting block 21 is fixedly connected with the feeding module 5.

[0034] The connecting block 21 is used for fixing various components, the fixed block 22 can prevent the sliding block 27 from deviating when moving, the drive motor 28 controls the rotation of the screw 24, the plastic particles in the barrel 23 are uniformly stirred and conveyed towards the gate of the barrel 23, the heaters 25 gradually heat the plastic particles into plastic melt, the support column 26 prevents the gate of the barrel 23 from sinking, the connecting block 21 and the bottom of the support column 26 are connected with the workbench 1 through sliding rails, so as to facilitate movement, and the injection hydraulic cylinder 3 controls the movement of the screw 24 through the sliding block 27, so as to inject the plastic melt into the mold assembly 6.

[0035] As Figure 2 , Figure 3As shown, the pressure relief module 4 includes a pressure relief pipe 41, a push rod 42, a push block 43, a guide block 44, a connecting rod 45, a counterweight block 46, a ventilation pipe 47, a double-headed piston 48 and a limit block 49, the barrel 23 is fixedly connected with the pressure relief pipe 41, and the barrel 23 is in pipeline communication with the pressure relief pipe 41, the push block 43 is arranged in the pressure relief pipe 41, the push block 43 is in sliding connection with the pressure relief pipe 41, the push block 43 is fixedly connected with the push rod 42, the top end of the push rod 42 penetrates through the pressure relief pipe 41 and is fixedly connected with the counterweight block 46, the push rod 42 is in sliding connection with the pressure relief pipe 41, the outer side of the pressure relief pipe 41 is in sliding connection with the guide block 44, a plurality of connecting rods 45 are arranged on the guide block 44, the top end of the connecting rod 45 is fixedly connected with the counterweight block 46, the top end of the pressure relief pipe 41 is provided with the ventilation pipe 47, the pressure relief pipe 41 is in pipeline communication with the ventilation pipe 47, the ventilation pipe 47 is in sliding connection with the double-headed piston 48, and the limit block 49 is arranged at the end of the ventilation pipe 47 away from the pressure relief pipe 41, the limit block 49 is provided with a through hole, and when the push block 43 is located at the bottom end of the pressure relief pipe 41, the double-headed piston 48 is located at the end of the ventilation pipe 47 close to the pressure relief pipe 41.

[0036] The pressure relief pipe 41 facilitates storage of the plastic melt, the counterweight block 46 provides pressure for the push block 43 through the push rod 42, prevents the plastic melt from entering the pressure relief pipe 41 at low pressure, the counterweight block 46 is connected with the guide block 44 through the connecting rod 45, prevents the counterweight block 46 from deviating, the push block 43 is difficult to achieve complete sealing, the double-headed piston 48 and the ventilation pipe 47 can prevent impurities in the air from entering and affecting the recycling of the plastic melt, and the limit block 49 limits the sliding distance of the double-headed piston 48.

[0037] As shown in Figure 1 The feeding module 5 includes a spiral feeding unit 51 and a hopper 52, the spiral feeding unit 51 is placed on a plane, the spiral feeding unit 51 is fixedly connected with the hopper 52, the hopper 52 is fixedly connected with the connecting block 21, the connecting block 21 is provided with a feeding hole, and the hopper 52 is in pipeline communication with the barrel 23 through the feeding hole of the connecting block 21.

[0038] The spiral feeding unit 51 facilitates quantitative feeding of the plastic particles into the barrel 23, and the hopper 52 facilitates the plastic particles to enter the barrel 23.

[0039] As shown in Figure 4As shown, the mold assembly 6 includes a mold closing hydraulic cylinder 61, a mold frame 62, a movable plate 63, a fixed plate 64, a female die 65, a male die 66, a flow guide assembly 67, a guide column 68, and a limiting module 69. The mold frame 62 is fixedly connected with the workbench 1. A plurality of guide columns 68 are arranged on the mold frame 62. The guide columns 68 are fixedly connected with the movable plate 63 and the fixed plate 64. The movable plate 63 is slidably connected with the guide columns 68. The movable plate 63 is fixedly connected with the female die 65. The fixed plate 64 is provided with a mounting groove. The mounting groove of the fixed plate 64 is fixedly connected with the male die 66. A plurality of flow guide assemblies 67 are arranged on the male die 66. The mold closing hydraulic cylinder 61 is fixedly connected with the mold frame 62. The extension end of the mold closing hydraulic cylinder 61 is fixedly connected with the movable plate 63 through the mold frame 62. A plurality of ejection modules 7 are arranged on the female die 65.

[0040] The mold closing hydraulic cylinder 61 controls the sliding of the movable plate 63 on the guide columns 68. The mold frame 62 is used for fixing various components. The movable plate 63 drives the female die 65 to move. The male die 66 is fixed on the fixed plate 64. When cooling, the cooling effect gradually decreases along the water flow direction. The flow guide assemblies 67 are used to keep the cooling effect uniform at each position and reduce stress deformation. The ejection modules 7 usually use spring reset. When the injection pressure is large, the plastic melt will extrude the ejection modules 7, which affects the shape of the product. The limiting module 69 prevents the ejection modules 7 from being extruded and moving under pressure.

[0041] As shown in Figure 8 The ejection module 7 includes a fixed tube 71, a connecting tube 72, an ejection rod 73, a limiting base 74, a connecting column 75, and a reset spring 76. The connecting tube 72 is provided with a fixed boss. The connecting tube 72 is fixedly connected with the fixed tube 71 through the fixed boss. The ejection rod 73 is provided with an ejection boss at the top end. The ejection boss of the ejection rod 73 is slidably connected with the connecting tube 72. A plurality of connecting columns 75 are arranged at the bottom of the fixed tube 71. The connecting columns 75 are fixedly connected with the limiting base 74. The limiting base 74 is provided with a circular hole. The limiting base 74 is slidably connected with the ejection rod 73 through the circular hole. The ejection rod 73 is provided with a limiting boss at the bottom. The ejection rod 73 is provided with the reset spring 76 close to the limiting boss. A plurality of avoidance holes are arranged on the movable plate 63. The avoidance holes of the movable plate 63 are fixedly connected with the fixed tube 71.

[0042] The fixing boss of the connecting pipe 72 can be fixed with the fixing pipe 71 through thread, convenient for installation and disassembly, the connecting column 75 fixes the limiting base 74 on the fixing pipe 71, and the reset spring 76 keeps the position of the ejection rod 73 unchanged; when aeration, the gas pushes the ejection rod 73 upward, and the ejection boss of the ejection rod 73 can enter the mold cavity when the ejection boss is ejected, so that the cooled and formed product is separated; when vacuum suction, because the gas in the fixing pipe 71 is discharged, the pressure decreases, the ejection rod 73 moves downward, and when the ejection rod 73 moves to below the connecting pipe 72, the fixing pipe 71 is communicated with the cavity, the gas in the cavity is discharged, the filling speed of the plastic melt is improved, the generation of the welding mark is reduced, and the rapid cooling of the place with relatively thin thickness is prevented.

[0043] As shown in Figure 9 The flow guide assembly 67 includes a fixed rod 671 and a spiral piece 672, the fixed rod 671 is fixedly connected with the spiral piece 672, the male die 66 is provided with a plurality of cooling holes, the spiral piece 672 is attached with the cooling hole of the male die 66, and the pitch of the spiral piece 672 gradually increases along the water flow direction.

[0044] The cooling liquid gradually rises with the flow temperature, resulting in gradually reduced cooling effect, the pitch of the spiral piece 672 gradually increases along the water flow direction, increasing the contact between the cooling liquid and the mold, and gradually improving the heat exchange cooling effect of the cooling liquid.

[0045] As shown in Figure 7 The limiting module 69 includes a sliding rod 691 and a limiting plug 692, the movable plate 63 is provided with a plurality of air inlet holes at two ends respectively, the air inlet hole of the movable plate 63 is in pipeline communication with the avoiding hole of the movable plate 63, the sliding rod 691 is slidingly connected with the air inlet hole of the movable plate 63, the limiting plug 692 is fixedly connected with the air inlet hole of the movable plate 63, and the limiting plug 692 is provided with an air hole.

[0046] The avoiding hole of the movable plate 63 discharges the gas when vacuum suction, one end of the sliding rod 691 away from the avoiding hole of the movable plate 63 is in air communication, is affected by air pressure and slides inward, and finally abuts against the limiting boss of the ejection rod 73, preventing the ejection rod 73 from moving when the pressure increases.

[0047] As shown in Figure 8 The inner hole diameter of the connecting pipe 72 is smaller than the inner hole diameter of the fixing pipe 71, and the plurality of avoiding holes of the movable plate 63 are in pipeline communication through the air conveying pipe, one end of the air conveying pipe is used for vacuum suction, and the other end is used for air conveying.

[0048] The inner hole diameter of the connecting pipe 72 is smaller than the inner hole diameter of the fixing pipe 71, facilitating the communication between the inside of the fixing pipe 71 and the cavity when the ejection rod 73 moves downward, one end of the air conveying pipe is used for vacuum suction, and the other end is used for air conveying, and electromagnetic valves are installed at both ends to prevent the two ends of the air conveying pipe from being directly communicated.

[0049] As Figure 1 shown, the material taking module 8 comprises an automatic grab 81 and a vacuum chuck 82, the automatic grab 81 is fixedly connected with the workbench 1, and the vacuum chuck 82 is arranged on the automatic grab 81.

[0050] The automatic grab 81 controls the vacuum chuck 82 to move to take out the cooled and formed product, thereby improving production efficiency.

[0051] The working principle of the present application is as follows: the plastic particles are put into the spiral feeding unit 51, the spiral feeding unit 51 delivers the plastic particles to the barrel 23, the screw 24 stirs the plastic particles in the barrel 23 uniformly and delivers them to the gate of the barrel 23, the heater 25 gradually heats the plastic particles into plastic melt, the ejection module 7 vacuums to discharge the gas in the female die 65 and the male die 66, the injection hydraulic cylinder 3 injects the plastic melt into the female die 65 and the male die 66 to cool and form, when the injection pressure is too large, the excess plastic melt enters the pressure relief module 4, the ejection module 7 introduces the gas to separate the formed product from the mold assembly 6, and the automatic grab 81 controls the vacuum chuck 82 to take out the formed product.

[0052] It is apparent to those skilled in the art that the application is not limited to the details of the above-described exemplary embodiments, but that the application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the application being defined by the appended claims rather than that of the above description, and it is intended to include all changes falling within the meaning and scope of equivalents of the claims. Any reference signs in the claims should not be construed as limiting the claims to which they belong.

Claims

1. A complete set of automatic feeding and unloading equipment for injection molding production of vehicle interior parts, characterized in that: The injection molding production complete device includes a workbench (1), a hot melt conveying module (2), an injection hydraulic cylinder (3), a pressure relief module (4), a feeding module (5), a mold assembly (6), an ejection module (7) and a material taking module (8), the workbench (1) is placed on a plane, the feeding module (5) is placed on a plane, the material taking module (8) is arranged on the workbench (1), the workbench (1) is fixedly connected with the mold assembly (6), the hot melt conveying module (2) is arranged on the workbench (1), the hot melt conveying module (2) is fixedly connected with a plurality of injection hydraulic cylinders (3), the hot melt conveying module (2) is fixedly connected with the pressure relief module (4), the hot melt conveying module (2) is fixedly connected with the feeding module (5), and the hot melt conveying module (2) is attached to the mold assembly (6), a plurality of ejection modules (7) are arranged on the mold assembly (6); The hot melt conveying module (2) includes a connecting block (21), a fixed block (22), a barrel (23), a screw (24), a heater (25), a support column (26), a sliding block (27) and a driving motor (28), the connecting block (21) is fixedly connected with the workbench (1), the fixed block (22) is fixedly connected with the workbench (1), the fixed block (22) is provided with a sliding groove, the fixed block (22) is slidably connected with the sliding block (27) through the sliding groove, the fixed block (22) is provided with mounting holes at two ends, and the fixed block (22) is fixedly connected with the injection hydraulic cylinder (3) through the mounting holes, the sliding block (27) is provided with a connecting boss at two ends, the sliding block (27) is fixedly connected with the telescopic end of the injection hydraulic cylinder (3) through the connecting boss, and the sliding block (27) is fixedly connected with the driving motor (28), the barrel (23) is arranged on the connecting block (21), the screw (24) is attached to the inside of the barrel (23), one end of the screw (24) passes through the connecting block (21) and the sliding block (27) in sequence, the screw (24) is slidably connected with the connecting block (21), the screw (24) is fixedly connected with the driving motor (28), a plurality of heaters (25) are arranged on the barrel (23), one end, away from the connecting block (21), of the barrel (23) is fixedly connected with the support column (26), the barrel (23) is fixedly connected with the pressure relief module (4), the barrel (23) is attached to the mold assembly (6), and the top end of the connecting block (21) is fixedly connected with the feeding module (5). The mold assembly (6) comprises a mold closing hydraulic cylinder (61), a mold frame (62), a movable plate (63), a fixed plate (64), a concave die (65), a convex die (66), a flow guide assembly (67), a guide column (68) and a limiting module (69), the mold frame (62) is fixedly connected with the workbench (1), a plurality of guide columns (68) are arranged on the mold frame (62), the guide columns (68) are fixedly connected with the movable plate (63) and the fixed plate (64), the movable plate (63) is slidably connected with the guide column (68), the movable plate (63) is fixedly connected with the concave die (65), the fixed plate (64) is provided with a mounting groove, the mounting groove of the fixed plate (64) is fixedly connected with the convex die (66), a plurality of flow guide assemblies (67) are arranged on the convex die (66), the mold closing hydraulic cylinder (61) is fixedly connected with the mold frame (62), the telescopic end of the mold closing hydraulic cylinder (61) is fixedly connected with the movable plate (63) through the mold frame (62), and a plurality of ejection modules (7) are arranged on the concave die (65); The ejection module (7) comprises a fixed tube (71), a connecting tube (72), an ejection rod (73), a limiting base (74), a connecting column (75) and a reset spring (76), the connecting tube (72) is provided with a fixed boss, the connecting tube (72) is fixedly connected with the fixed tube (71) through the fixed boss, the ejection rod (73) is provided with an ejection boss at the top end, the ejection boss of the ejection rod (73) is slidably connected with the connecting tube (72), the bottom of the fixed tube (71) is provided with a plurality of connecting columns (75), the plurality of connecting columns (75) are fixedly connected with the limiting base (74), the limiting base (74) is provided with a circular hole, and the limiting base (74) is slidably connected with the ejection rod (73) through the circular hole, the bottom of the ejection rod (73) is provided with a limiting boss, and the reset spring (76) is arranged at the end of the ejection rod (73) close to the limiting boss, a plurality of avoiding holes are arranged on the movable plate (63), and the avoiding holes of the movable plate (63) are fixedly connected with the fixed tube (71); The inner hole diameter of the connecting tube (72) is smaller than that of the fixed tube (71), the plurality of avoiding holes of the movable plate (63) are communicated through a gas conveying pipe, one end of the gas conveying pipe is used for vacuum suction, and the other end is used for gas conveying.

2. The automatic feeding and discharging vehicle interior part injection molding production complete device according to claim 1, characterized in that: The pressure relief module (4) comprises a pressure relief pipe (41), a push rod (42), a push block (43), a guide block (44), a connecting rod (45), a counterweight block (46), a ventilation pipe (47), a double-headed piston (48) and a limiting block (49), the barrel (23) is fixedly connected with the pressure relief pipe (41), the barrel (23) is in pipeline communication with the pressure relief pipe (41), the push block (43) is arranged in the pressure relief pipe (41), the push block (43) is slidably connected with the pressure relief pipe (41), the push block (43) is fixedly connected with the push rod (42), the top end of the push rod (42) penetrates through the pressure relief pipe (41) and is fixedly connected with the counterweight block (46), the push rod (42) is slidably connected with the pressure relief pipe (41), the outer side of the pressure relief pipe (41) is slidably connected with the guide block (44), a plurality of connecting rods (45) are arranged on the guide block (44), the top end of the connecting rod (45) is fixedly connected with the counterweight block (46), the top end of the pressure relief pipe (41) is provided with the ventilation pipe (47), the pressure relief pipe (41) is in pipeline communication with the ventilation pipe (47), the ventilation pipe (47) is slidably connected with the double-headed piston (48), the limiting block (49) is arranged at the end of the ventilation pipe (47) away from the pressure relief pipe (41), the limiting block (49) is provided with a through hole, when the push block (43) is located at the bottom end of the pressure relief pipe (41), the double-headed piston (48) is located at the end of the ventilation pipe (47) close to the pressure relief pipe (41).

3. The automatic feeding and discharging vehicle interior part injection molding production complete device according to claim 1, characterized in that: The feeding module (5) comprises a spiral feeding unit (51) and a hopper (52), the spiral feeding unit (51) is placed on a plane, the spiral feeding unit (51) is fixedly connected with the hopper (52), the hopper (52) is fixedly connected with the connecting block (21), the connecting block (21) is provided with a feeding hole, and the hopper (52) is in pipeline communication with the barrel (23) through the feeding hole of the connecting block (21).

4. The automatic feeding and discharging vehicle interior part injection molding production complete device according to claim 1, characterized in that: The flow guide assembly (67) comprises a fixed rod (671) and a spiral blade (672), the fixed rod (671) is fixedly connected with the spiral blade (672), the male die (66) is provided with a plurality of cooling holes, the spiral blade (672) is attached to the cooling holes of the male die (66), and the pitch of the spiral blade (672) gradually increases along the water flow direction.

5. The automatic feeding and discharging vehicle interior part injection molding production complete device according to claim 1, characterized in that: The limiting module (69) comprises a sliding rod (691) and a limiting block (692), the movable plate (63) is provided with a plurality of air inlet holes at both ends, the air inlet holes of the movable plate (63) are in pipeline communication with the air avoiding holes of the movable plate (63), the sliding rod (691) is slidably connected with the air inlet holes of the movable plate (63), the limiting block (692) is fixedly connected with the air inlet holes of the movable plate (63), and the limiting block (692) is provided with a ventilation hole.

6. The automatic feeding and discharging vehicle interior part injection molding production complete device according to claim 1, characterized in that: The material taking module (8) comprises an automatic gripper (81) and a vacuum chuck (82), the automatic gripper (81) is fixedly connected with the workbench (1), and the vacuum chuck (82) is arranged on the automatic gripper (81).

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