Raw material feeding mechanism for double-shot molding

Abstract

The raw material feeding mechanism comprises an installation frame, an air draft device is fixedly installed in the installation frame, the output end of the air draft device is fixedly communicated with a connecting pipe, the outer surface of the connecting pipe is slidably connected with a sliding ring, and the sliding ring is fixedly connected with the installation frame. And a plurality of mounting grooves are formed in one side of the inner wall of the connecting pipe in a penetrating manner. By sliding the sliding ring, the sliding ring can gradually relieve the limitation on the inclined block in the sliding-down process, after the inclined block loses the limitation of the sliding ring, the inclined block is ejected upwards through the counter-acting force of the second reset spring, the fixing block slides in the fixing groove, therefore, the limitation on the hose is relieved, the hose is pulled out of the connecting pipe, and the hose is pulled out of the connecting pipe. The air draft device is simple in structure and convenient to operate, the connection between the air draft device and the hose can be rapidly detached, the maintenance efficiency of the air draft device is improved, and the situation that the bolts are lost is also avoided through the structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to double -color injection molding raw material feeding equipment technical field, concretely is a raw material feeding mechanism for double -color injection molding. BACKGROUND

[0002] Double -color injection molding is to two different materials injection molding into the same set of mould, thereby manufacturing the part or product that is composed of two materials, need using raw material feeding mechanism when injection molding injection plastic particle feeding to injection thread on the feeding hopper, thereby improving the production efficiency of equipment.

[0003] In the prior art, such as China patent CN 11709884U discloses a kind of for injection molding machine suction feeder, including suction feeder body, suction feeder body's suction pipe is provided with feeding tank, vertical sliding has baffle between the both ends inner wall of feeding tank, baffle divides the inner cavity of feeding tank into first area and second area, baffle is provided with a plurality of screening holes, screening hole one end communicates first area, other end communicates second area, cover is set on the upper surface of feeding tank, cover is provided with first hole, first hole is located in the directly above of second area, suction feeder body's suction pipe is fixed with stainless steel pipe away from suction feeder body one end, stainless steel pipe communicates with suction pipe, stainless steel pipe is inserted in first hole, first area is provided with the stirring device for smashing plastic particle condensation block.

[0004] The above patent, although by installing pulverizing mechanism in feeding tank, prevent plastic particle from plugging suction pipe problem, but in long time use, the driving structure of its suction device can be damaged, thereby needing to be repaired, and the output end of existing driving device and connecting pipeline mostly use flange connection, when disassembling, multiple bolts need to be disassembled, leading to disassembly is more cumbersome, and when disassembling, bolt loss condition can also appear, thereby inconvenient to use. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of raw material feeding mechanism for double -color injection molding to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a raw material feeding mechanism for double -color injection moulding, including mounting bracket, the inside fixed mounting of mounting bracket has the air draught device, the output fixed communication of air draught device has the connecting pipe, the outer surface sliding connection of connecting pipe has the sliding ring, the inner wall one side of connecting pipe is opened through a plurality of installation slot, the inner wall of a plurality of installation slot is all fixedly connected with installation board no.

[0007] As a further preferred aspect of the present technical solution, the other side of the outer surface of the connecting pipe is fixedly connected with a fixed ring, the outer surface of the connecting pipe is sleeved with a reset spring one, and the two ends of the reset spring one are fixedly connected with the inner wall of the fixed ring and the sliding ring.

[0008] As a further preferred aspect of the present technical solution, the one side of the mounting bracket is provided with a workbench, the upper portion of the workbench is provided with a feeding hourglass, the upper end of the feeding hourglass is fixedly communicated with one end of the hose, the one side middle portion of the feeding hourglass is fixedly communicated with a feeding pipe, the one side of the workbench is provided with a storage tank, and the one end of the feeding pipe is located in the interior of the storage tank.

[0009] As a further preferred aspect of the present technical solution, the upper end of the workbench is fixedly installed with an injection screw rod, the input end of the injection screw rod is fixedly communicated with the lower end of the feeding hourglass, and the other side of the upper end of the workbench is fixedly installed with an injection equipment.

[0010] As a further preferred aspect of the present technical solution, the lower end of the mounting bracket is fixedly installed with universal wheels at the four corners.

[0011] As a further preferred aspect of the present technical solution, the two sides of the mounting bracket are fixedly connected with a plurality of installation plates one, the inner wall of a plurality of installation plates one is screw-connected with a plurality of threaded rods, and the one end of a plurality of threaded rods is fixedly connected with a support plate.

[0012] As a further preferred aspect of the present technical solution, the one side of a plurality of support plates is opened through an installation hole.

[0013] The utility model provides a raw material feeding mechanism for double -color injection moulding has the following beneficial effects:

[0014] (1)The utility model discloses a sliding sliding ring, and the sliding ring will gradually remove the restriction to the inclined block in the process of sliding down, and the reaction force of reset spring no. 2 will push the inclined block upward after the inclined block loses the restriction of the sliding ring, so that the fixed block slides from the fixed groove, thereby removing the restriction of the hose. When the hose is pulled out from the connecting pipe, the exhaust device can be disassembled and maintained. The structure is simple, convenient to operate, can quickly disassemble the connection between the exhaust device and the hose, improves the maintenance efficiency of the exhaust device, and avoids the loss of bolts.

[0015] (2)The utility model discloses a threaded rod is rotated, make support plate with ground contact, then use fixed bolt to pass through mounting hole, use tool rotation fixed bolt, with mounting frame fixed, prevent equipment operation use mounting frame run, influence equipment feeding. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the first visual angle structural diagram of the utility model;

[0017] Figure 2 It is the second visual angle structural diagram of the utility model;

[0018] Figure 3 It is the three-dimensional structural diagram of mounting frame and exhaust device in the utility model;

[0019] Figure 4 It is the connection relation diagram of connecting pipe and hose in the utility model;

[0020] Figure 5 It is the local enlarged diagram of area A in the drawing;

[0021] In the drawing: 1, mounting frame;2, exhaust device;3, hose;4, feeding hourglass;5, feeding pipe;6, workbench;7, injection molding equipment;8, injection molding screw;9, storage tank;10, universal wheel;11, mounting plate one;12, threaded rod;13, support plate;14, mounting hole;15, connecting pipe;16, sliding ring;17, fixed groove;18, fixed ring;19, reset spring one;20, mounting groove;21, mounting plate two;22, sliding rod;23, reset spring two;24, inclined block;25, fixed block. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model.

[0023] The utility model provides technical scheme: such as Figure 1 - Figure 5As shown, in this embodiment, a raw material feeding mechanism for two-color injection molding includes a mounting frame 1, an air extraction device 2 fixedly installed inside the mounting frame 1, a connecting pipe 15 fixedly communicated with the output end of the air extraction device 2, a sliding ring 16 slidingly connected to the outer surface of the connecting pipe 15, a plurality of installation grooves 20 penetratingly formed on one side of the inner wall of the connecting pipe 15, a plurality of installation plates 21 fixedly connected to the inner wall of the installation grooves 20, a plurality of sliding rods 22 slidingly connected to the inner wall of the installation plates 21, a plurality of inclined blocks 24 fixedly connected to one end of the sliding rods 22, the outer surface of the plurality of inclined blocks 24 slidingly connected to the inner wall of the sliding ring 16, a plurality of reset springs 23 sleeved on the outer surface of the plurality of sliding rods 22, the two ends of the plurality of reset springs 23 fixedly connected to the plurality of installation plates 21 and the plurality of inclined blocks 24, respectively, a plurality of fixed blocks 25 fixedly connected to the other end of the plurality of sliding rods 22, and a hose 3 slidingly connected to the inner wall of the connecting pipe 15. By sliding the sliding ring 16, the sliding ring 16 gradually releases the restriction on the inclined blocks 24 in the process of sliding downward. After the inclined blocks 24 lose the restriction of the sliding ring 16, the reaction force of the reset springs 23 pushes the inclined blocks 24 upward, so that the fixed blocks 25 slide out of the fixed grooves 17, thereby releasing the restriction on the hose 3. After the hose 3 is pulled out of the connecting pipe 15, the air extraction device 2 can be disassembled for maintenance. This structure is simple and convenient to operate, can quickly disassemble the connection between the air extraction device 2 and the hose 3, improves the maintenance efficiency of the air extraction device 2, and avoids the loss of bolts.

[0024] As shown in Figure 4 , the other side of the outer surface of the connecting pipe 15 is fixedly connected with a fixed ring 18, and the outer surface of the connecting pipe 15 is sleeved with a reset spring 19. The two ends of the reset spring 19 are fixedly connected with the inner wall of the fixed ring 18 and the sliding ring 16, respectively. Through the structural design of the reset spring 19, the inner wall of the sliding ring 16 can be slid to the position of the inclined block 24, so that the inner wall of the sliding ring 16 abuts against the inclined block 24.

[0025] As shown in Figure 1 and Figure 2 , one side of the mounting frame 1 is provided with a workbench 6, and an upper portion of the workbench 6 is provided with an inlet hourglass 4. One end of the inlet hourglass 4 is fixedly communicated with one end of the hose 3. One side of the inlet hourglass 4 is fixedly communicated with a feeding pipe 5. One side of the workbench 6 is provided with a storage tank 9. One end of the feeding pipe 5 is located inside the storage tank 9. By starting the air extraction device 2, a negative pressure area is formed at the inlet of the feeding pipe 5. Under the action of the negative pressure, the plastic raw materials in the storage tank 9 are rapidly sucked into the feeding pipe 5 and then fed into the inlet hourglass 4 along the feeding pipe 5.

[0026] As shown in Figure 1 and Figure 2As shown, the upper end of the workbench 6 is fixedly provided with an injection screw 8, the input end of the injection screw 8 is fixedly communicated with the lower end of the feeding hourglass 4, the upper end of the workbench 6 is fixedly provided with an injection device 7 on the other side, the structure of the injection screw 8 and the injection device 7 is designed to inject the molten plastic in the injection screw 8 into products, wherein two injection screws 8 are installed on the workbench 6, the two injection screws 8 melt one kind of raw material respectively, two air extraction devices 2 are also installed in the mounting frame 1, and the two air extraction devices 2 are used for feeding the two injection screws 8 respectively.

[0027] As shown in Figure 1 and Figure 3 As shown, the lower end of the mounting frame 1 is fixedly provided with universal wheels 10 at four corners, the universal wheels 10 facilitate the movement of the mounting frame 1, and facilitate the transportation of the mounting frame 1.

[0028] As shown in Figure 3 As shown, the two sides of the mounting frame 1 are fixedly connected with a plurality of mounting plates 11, the inner walls of the plurality of mounting plates 11 are threadedly connected with threaded rods 12, one end of the plurality of threaded rods 12 is fixedly connected with support plates 13, and the position of the support plates 13 and the ground is adjusted through the structure design of the threaded rods 12, so that the mounting frame 1 is fixed.

[0029] As shown in Figure 3 As shown, the plurality of support plates 13 are provided with mounting holes 14 on one side, the mounting frame 1 is fixed by penetrating the mounting holes 14 with fixing bolts and rotating the fixing bolts with tools, so that the equipment running uses the mounting frame 1 to run and affects the equipment feeding.

[0030] The utility model provides a kind of raw material feeding mechanism for double-color injection molding, specific working principle as follows:

[0031] When the raw material for double-color injection molding is fed, first, the input end of the feeding pipe 5 is put into the storage tank 9, the suction device 2 is opened, a negative pressure area is formed at the inlet of the feeding pipe 5, under the action of the negative pressure, the plastic raw material in the storage tank 9 is quickly sucked into the feeding pipe 5 and fed into the feeding hourglass 4 along the feeding pipe 5, when the equipment is used for a long time, the suction device 2 is damaged and needs to be repaired, the sliding ring 16 is slid, in the process of sliding down, the sliding ring 16 gradually releases the restriction of the inclined block 24, after the inclined block 24 loses the restriction of the sliding ring 16, the reaction force of the reset spring 23 pushes the inclined block 24 upwards, the fixed block 25 slides out of the fixed groove 17, thereby releasing the restriction of the hose 3, the hose 3 is pulled out of the connecting pipe 15, the suction device 2 can be disassembled and repaired, after the repair is completed, the sliding ring 16 is slid, in the process of sliding down, the sliding ring 16 gradually releases the restriction of the inclined block 24, after the inclined block 24 loses the restriction of the sliding ring 16, the reaction force of the reset spring 23 pushes the inclined block 24 upwards, the hose 3 is slid into the connecting pipe 15, when the fixed groove 17 slides to the position of the fixed block 25, the sliding ring 16 is loosened, the reaction force of the reset spring 19 pushes the sliding ring 16 forward, the inner wall of the sliding ring 16 pushes the inclined block 24 downwards, thereby sliding the fixed block 25 and clamping it in the fixed groove 17, thereby completing the installation, the above operation is repeated to feed the plastic raw material in the storage tank 9 into the feeding hourglass 4.

[0032] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A raw material feeding mechanism for two-color injection molding, comprising a mounting frame (1), characterized in that: The inside of mounting frame (1) is fixedly provided with an air exhaust device (2), the output end of the air exhaust device (2) is fixedly communicated with a connecting pipe (15), the outer surface of the connecting pipe (15) is slidably connected with a sliding ring (16), a plurality of installation grooves (20) are penetratingly formed on the inner wall of the connecting pipe (15), a plurality of installation plate II (21) are fixedly connected with the inner wall of the installation grooves (20), a plurality of sliding rods (22) are slidably connected with the inner wall of the installation plate II (21), a plurality of inclined blocks (24) are fixedly connected with one end of the sliding rods (22), the outer surface of the plurality of inclined blocks (24) is slidably connected with the inner wall of the sliding ring (16), a plurality of reset springs II (23) are sleeved with the outer surface of the sliding rods (22), the two ends of the plurality of reset springs II (23) are fixedly connected with the plurality of installation plate II (21) and the plurality of inclined blocks (24) respectively, a plurality of fixed blocks (25) are fixedly connected with the other end of the sliding rods (22), the inner wall of the connecting pipe (15) is slidably connected with a hose (3), the outer surface of the hose (3) is fixedly connected with a fixed groove (17), the plurality of fixed blocks (25) are clamped in the fixed groove (17).

2. The raw material feeding mechanism for two-color injection molding according to claim 1, wherein: The outer surface of the connecting pipe (15) is fixedly connected with a fixed ring (18), the outer surface of the connecting pipe (15) is sleeved with a reset spring I (19), the two ends of the reset spring I (19) are fixedly connected with the inner wall of the fixed ring (18) and the sliding ring (16) respectively.

3. The raw material feeding mechanism for two-color injection molding according to claim 1, wherein: The side of the mounting frame (1) is provided with a workbench (6), the upper side of the workbench (6) is provided with a feeding hourglass (4), the upper end of the feeding hourglass (4) is fixedly communicated with one end of the hose (3), the middle of the side of the feeding hourglass (4) is fixedly communicated with a feeding pipe (5), the side of the workbench (6) is provided with a storage tank (9), one end of the feeding pipe (5) is located in the inside of the storage tank (9).

4. The raw material feeding mechanism for two-color injection molding according to claim 3, wherein: The upper end of the workbench (6) is fixedly provided with an injection molding screw (8), the input end of the injection molding screw (8) is fixedly communicated with the lower end of the feeding hourglass (4), the other side of the upper end of the workbench (6) is fixedly provided with an injection molding equipment (7).

5. The raw material feeding mechanism for two-color injection molding according to claim 1, wherein: The lower end of the mounting frame (1) is fixedly provided with a universal wheel (10) at the four corners.

6. The raw material feeding mechanism for two-color injection molding according to claim 1, wherein: The two sides of the mounting frame (1) are fixedly connected with a plurality of installation plate I (11), the inner wall of the plurality of installation plate I (11) is threadedly connected with a threaded rod (12), one end of the plurality of threaded rod (12) is fixedly connected with a support plate (13).

7. The raw material feeding mechanism for two-color injection molding according to claim 6, wherein: The side of the plurality of support plate (13) is penetratingly provided with an installation hole (14).

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