Feeding device of injection molding machine

Abstract

The utility model discloses a feeding device of an injection molding machine, which comprises a stirring box and a feeding cylinder, a discharge hole is arranged at the bottom of the stirring box, the feeding cylinder for feeding materials to the injection molding machine is arranged at the bottom of the stirring box, and an auger spiral blade for conveying the materials is movably arranged in the feeding cylinder. A U-shaped fixing plate is arranged on the stirring box, a movable block for discharging the discharging holes at intervals is arranged on the U-shaped fixing plate, movable holes matched with the discharging holes in size are formed in the movable block, a rotating disc for driving the movable block to move is movably arranged at one end of the U-shaped fixing plate, and a fixing frame is fixedly mounted on the stirring box and located on one side of the top of the rotating disc. The raw materials in the stirring box are discharged at intervals through cooperation of the discharging hole, the movable hole in the movable block and the discharging pipe, discharging is conducted regularly and quantitatively every time, the raw materials evenly enter the feeding barrel, uniform and stable feeding is achieved through cooperation of an auger spiral blade in the feeding barrel and the L-shaped feeding pipe, and the structure is simple and stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine technical field, in particular to a kind of feeding device of injection molding machine. BACKGROUND

[0002] The working principle of injection molding machine is similar to that of an injector used for injection, which is to inject plastic in molten state into a closed mold cavity by the thrust of a screw, and then to obtain a product after solidification and setting. The basic requirements of injection molding are plasticizing, injection and molding.

[0003] In the authorized public number CN220593863U, a kind of injection molding machine that is easy to feed is proposed, including forming machine body, the side of forming machine body is equipped with support box, the top of support box is fixedly installed with feeding box, the inner wall of one side of feeding box is fixedly installed with conveying pipe, conveying pipe and forming machine body between L type feeding pipe are equipped, the top of conveying pipe is fixedly installed with driving motor, the output shaft of driving motor extends into conveying pipe and is fixedly installed with spiral push plate, the inner wall of one side of conveying pipe is opened with inlet, feeding box is installed with baffle, baffle is installed with guide hopper, baffle is opened with discharge hole, guide hopper and discharge hole are adapted.

[0004] In actual feeding process, it is found that the raw materials are not inputted in conveying pipe in time and quantity, which leads to unstable discharge after conveying pipe, sometimes less discharge and sometimes more discharge, and the raw materials cannot be mixed and stirred during conveying. To solve the above problems, the utility model provides a feeding device of injection molding machine. UTILITY MODEL CONTENT

[0005] The purpose of the present application is to provide a feeding device of injection molding machine to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solution: a feeding device of injection molding machine, comprising a stirring tank and a feeding cylinder, the bottom of the stirring tank is provided with a discharge hole, the bottom of the stirring tank is provided with the feeding cylinder for feeding the injection molding machine, and the inside of the feeding cylinder is movably provided with an auger screw for conveying materials.

[0007] The bottom of the stirring box is provided with a spacing structure for feeding the feeding cylinder, the spacing structure comprises a U-shaped fixed plate installed at the bottom of the stirring box, a movable block for spacing and discharging the discharge hole is arranged on the U-shaped fixed plate, the movable block is provided with a movable hole matching the size of the discharge hole, one end of the U-shaped fixed plate is movably provided with a rotating disc for driving the movable block to move, a fixed frame is fixedly installed on one side of the top of the rotating disc, a stirring rod is movably connected to the stirring box through a bearing, and one end of the stirring rod extends through the fixed frame.

[0008] Preferably, the spacing structure further comprises a rotary motor, an output end of the rotary motor is fixedly installed with a rotating shaft, the bottom end of the rotating shaft is fixedly installed at the top center of the rotating disc, the bottom of the rotating disc is movably connected with a hinged rod through a rotating shaft, and the hinged rod is connected with the movable block through a hinge piece.

[0009] The U-shaped fixed plate is installed at the bottom center of the discharge hole, and a discharge pipe is through-communicated at the bottom of the U-shaped fixed plate, and the size and position of the discharge pipe match those of the discharge hole.

[0010] Preferably, the rotating shaft is fixedly installed with a first bevel gear in the fixed frame through bolts, the top end of the stirring rod is fixedly installed with a second bevel gear movably engaged with the first bevel gear through bolts, a plurality of mixing rods are uniformly installed in the stirring box, and a feeding hopper is fixedly installed at the top center of the stirring box through bolts.

[0011] Preferably, support feet are fixedly installed around the bottom of the stirring box through bolts, a bottom plate is fixedly installed at the bottom of the support feet, the feeding cylinder is fixedly installed on the bottom plate through bolts, a drive motor driving the rotating screw flight of the auger is fixedly installed at one end of the feeding cylinder located away from the stirring box, and an L-shaped feeding pipe is fixedly installed at one end of the feeding cylinder located away from the stirring box.

[0012] A connecting hopper is fixedly installed at the bottom center of the discharge pipe and extends through the feeding cylinder.

[0013] Preferably, fixed sliding grooves are formed in both sides of the U-shaped fixed plate, fixed sliding blocks are slidably connected in the fixed sliding grooves of the U-shaped fixed plate, and both ends of the movable block are fixedly installed on the fixed sliding blocks.

[0014] In summary, the technical effects and advantages of the present application are as follows:

[0015] 1. The utility model discloses, through the discharge hole cooperation movable hole on movable block and the discharge pipe to the raw material in the stirring box carries out interval discharge, each time discharges the timing ration, makes the raw material even into the feeding cylinder, realizes even steady feeding through the auger spiral blade cooperation L type feeding pipe in the feeding cylinder, simple and stable.

[0016] 2. The utility model discloses, through the mixing rod on the stirring rod carries out the mixing stirring to the raw material in the stirring box, improves the mixing degree of multiple raw materials, is more even steady in the feeding process to the feeding cylinder, through the first bevel gear meshing stirring rod on the second bevel gear synchronous motion of rotating shaft of rotating motor, completes stirring and interval timing ration discharge under the same motor, and the design is reasonable and ingenious, saves resources.

[0017] 3. The utility model discloses, through the rotating shaft on the rotating motor drives the rotary disc and carries out rotary motion, and the rotary disc carries movable block reciprocating motion on the U type fixed plate through hinged link and hinged piece, when movable hole on movable block is aligned with the discharge hole, and the mixed raw material passes through the discharge pipe and enters the connecting hopper, thereby realizes the discharge of timing ration, and the design is reasonable and ingenious. ACCURACY OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, without creative labor, other drawings can also be obtained according to these drawings.

[0019] Figure 1 It is a whole structure schematic perspective drawing of the feeding device of the injection molding machine in the embodiment of the present application.

[0020] Figure 2 It is a stirring box internal structure schematic perspective drawing of the feeding device of the injection molding machine in the embodiment of the present application.

[0021] Figure 3 It is a fixed frame internal structure schematic perspective drawing of the feeding device of the injection molding machine in the embodiment of the present application.

[0022] Figure 4 It is a rotary disc connection structure schematic perspective drawing of the feeding device of the injection molding machine in the embodiment of the present application.

[0023] Figure 5 It is a U type fixed plate connection structure schematic perspective drawing of the feeding device of the injection molding machine in the embodiment of the present application.

[0024] Figure 6 It is a stirring box bottom structure schematic perspective drawing of the feeding device of the injection molding machine in the embodiment of the present application.

[0025] In the figure: 10, stirring box; 11, discharge hole; 12, feeding hopper; 13, support foot; 14, bottom plate; 20, feeding cylinder; 21, auger spiral blade; 22, driving motor; 23, L-shaped feeding pipe; 24, connecting hopper; 30, U-shaped fixed plate; 31, movable block; 32, movable hole; 33, fixed sliding block; 34, rotating disc; 35, discharge pipe; 36, fixed sliding groove; 40, fixed frame; 41, stirring rod; 42, rotating motor; 43, rotating shaft; 44, hinged rod; 45, hinge; 46, first bevel gear; 47, second bevel gear; 48, mixing rod. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Embodiment: refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 The feeding device of the injection molding machine comprises a stirring box 10 and a feeding cylinder 20, the bottom of the stirring box 10 is provided with a discharge hole 11, the bottom of the stirring box 10 is provided with the feeding cylinder 20 for feeding the injection molding machine, and the inside of the feeding cylinder 20 is movably provided with auger spiral blades 21 for conveying materials;

[0028] The bottom of the stirring box 10 is provided with a spacing structure for feeding the feeding cylinder 20, the spacing structure comprises a U-shaped fixed plate 30 mounted on the bottom of the stirring box 10, the U-shaped fixed plate 30 is provided with movable blocks 31 for spacing and discharging the discharge hole 11, the movable blocks 31 are provided with movable holes 32 matched with the size of the discharge hole 11, one end of the U-shaped fixed plate 30 is movably provided with a rotating disc 34 for driving the movable blocks 31 to move, the stirring box 10 is fixedly installed with a fixed frame 40 on one side of the top of the rotating disc 34, the stirring box 10 is movably connected with a stirring rod 41 in the bearing, and one end of the stirring rod 41 extends through the fixed frame 40, and the stirring rod 41 is used for mixing the materials in the stirring box 10.

[0029] Refer to Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6The interval structure further comprises a rotating motor 42, an output end of the rotating motor 42 is fixedly installed with a rotating shaft 43, a bottom end of the rotating shaft 43 is fixedly installed at a top center of the rotating disc 34, a bottom of the rotating disc 34 is movably connected with a hinged rod 44 through a rotating shaft, the hinged rod 44 is connected with the movable block 31 through a hinge 45, the movable block 31 is driven to reciprocate in the U-shaped fixed plate 30, so as to achieve the effect of interval discharging.

[0030] The U-shaped fixed plate 30 is installed at a bottom center of the discharging hole 11, a bottom of the U-shaped fixed plate 30 is penetrated with a discharging pipe 35, and the size and position of the discharging pipe 35 are consistent with those of the discharging hole 11, the discharging pipe 35 is penetrated with the discharging hole 11 by using the movable hole 32 on the movable block 31.

[0031] The rotating shaft 43 is fixedly installed with a first bevel gear 46 in the fixing frame 40 through bolts, a top end of the stirring rod 41 is fixedly installed with a second bevel gear 47 which is movably engaged with the first bevel gear 46 through bolts, the stirring rod 41 is uniformly installed with a plurality of mixing rods 48 in the stirring box 10, so as to mix the materials, a top center of the stirring box 10 is fixedly installed with the feeding hopper 12 through bolts, so as to facilitate the injection of the materials.

[0032] Referring to Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , the bottom of the stirring box 10 is fixedly installed with the supporting feet 13 through bolts, the bottom of the supporting feet 13 is fixedly installed with the bottom plate 14, the feeding cylinder 20 is fixedly installed on the bottom plate 14 through bolts, the feeding cylinder 20 is fixedly installed with the driving motor 22 which drives the auger screw 21 to rotate at one end of the stirring box 10, the feeding cylinder 20 is fixedly installed with the L-shaped feeding pipe 23 at an end away from the stirring box 10, so as to uniformly and stably feed the injection molding machine.

[0033] The feeding cylinder 20 is fixedly installed with the connecting hopper 24 at a bottom center of the discharging pipe 35, and the connecting hopper 24 extends through the feeding cylinder 20, the inside of the U-shaped fixed plate 30 is provided with the fixed sliding groove 36 on both sides, the U-shaped fixed plate 30 is slidably connected with the fixed sliding block 33 in the fixed sliding groove 36, and both ends of the movable block 31 are fixedly installed on the fixed sliding block 33, so that the movable block 31 is stable and smooth during the reciprocating movement.

[0034] The utility model discloses a kind of automatic mixing and feeding devices of injection molding machine, including stirring box 10, be connected to the upper end of stirring box 10 and be connected to the lower end of stirring box 10, and be connected to the upper end of connecting hopper 24 and be connected to the lower end of connecting hopper 24.

[0035] Rotary shaft 43 drives rotary disc 34 synchronous motion in the rotation process, rotary disc 34 is driven by hinged rod 44 and hinged rod 44 reciprocating motion of movable block 31 on U-shaped fixed plate 30, when movable block 31 on the activity hole 32 and discharge hole 11 align to realize discharging, when movable block 31 on the activity hole 32 and discharge hole 11 stagger, utilize movable block 31 to discharge hole 11 is blocked, realize the timed and quantitative discharge of stirring box 10.

[0036] Finally, it should be noted that: the above only for the preferred embodiment of the utility model, and not for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can be modified to the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A feeding device of an injection molding machine, comprising a stirring tank (10) and a feeding cylinder (20), characterized in that, The bottom of the stirring box (10) is provided with a discharge hole (11), and the bottom of the stirring box (10) is provided with the feeding cylinder (20) for feeding the injection molding machine. The bottom of the stirring box (10) is provided with a spacing structure for feeding the feeding cylinder (20), which comprises a U-shaped fixed plate (30) installed on the bottom of the stirring box (10), and the U-shaped fixed plate (30) is provided with a movable block (31) for spacing and discharging the discharge hole (11), and the movable block (31) is provided with a movable hole (32) matching the size of the discharge hole (11), and one end of the U-shaped fixed plate (30) is movably provided with a rotating disc (34) driving the movable block (31) to move, and the top side of the rotating disc (34) is fixedly installed with a fixed frame (40), and the stirring box (10) is movably connected with a stirring rod (41) through a bearing, and one end of the stirring rod (41) extends through the fixed frame (40).

2. The material loading device of an injection molding machine according to claim 1, wherein: The spacing structure further comprises a rotating motor (42), and the output end of the rotating motor (42) is fixedly installed with a rotating shaft (43), and the bottom end of the rotating shaft (43) is fixedly installed at the top center of the rotating disc (34), and the bottom of the rotating disc (34) is movably connected with a hinged rod (44) through a rotating shaft, and the hinged rod (44) is connected with the movable block (31) through a hinge (45). The U-shaped fixed plate (30) is installed at the bottom center of the discharge hole (11), and the bottom of the U-shaped fixed plate (30) is communicated with a discharge pipe (35), and the size and position of the discharge pipe (35) match those of the discharge hole (11).

3. The material loading device of an injection molding machine according to claim 2, wherein: The rotating shaft (43) is fixedly installed with a first bevel gear (46) in the fixed frame (40), and the top end of the stirring rod (41) is fixedly installed with a second bevel gear (47) movably engaged with the first bevel gear (46), and the stirring rod (41) is uniformly provided with a plurality of mixing rods (48) in the stirring box (10), and the top center of the stirring box (10) is fixedly installed with a feeding hopper (12) through bolts.

4. The material loading device of an injection molding machine according to claim 3, wherein: The bottom of the stirring box (10) is fixedly installed with a supporting leg (13) around the bottom, and the bottom of the supporting leg (13) is fixedly installed with a bottom plate (14), and the feeding cylinder (20) is fixedly installed on the bottom plate (14) through bolts, and the feeding cylinder (20) is fixedly installed with a driving motor (22) at one end of the stirring box (10) to drive the auger screw (21) to rotate, and the feeding cylinder (20) is fixedly installed with an L-shaped feeding pipe (23) away from the stirring box (10). The feeding cylinder (20) is fixedly installed with a connecting hopper (24) at the bottom center of the discharge pipe (35), and the connecting hopper (24) extends through the feeding cylinder (20).

5. The material loading device of an injection molding machine according to claim 1, wherein: The U-shaped fixing plate (30) is internally provided with fixing sliding grooves (36) on both sides, the U-shaped fixing plate (30) is slidably connected with fixing sliding blocks (33) in the fixing sliding grooves (36), and both ends of the movable block (31) are fixedly installed on the fixing sliding blocks (33).

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