Injection molding structure for plastic bucket production

Abstract

The utility model relates to the technical field of plastic bucket production injection molding, in particular to an injection molding structure for plastic bucket production, which comprises a forming assembly, a feeding assembly fixedly mounted on one side of the forming assembly, a blanking pipe mounted on the feeding assembly, a hopper fixedly mounted on the upper side of the blanking pipe, and a hopper cover fixedly mounted on the upper side of the hopper. A driving hole is formed in the upper side of the hopper cover; the output end of the driving motor drives the driving rod, the driving block drives the reciprocating block to reciprocate up and down, and when the reciprocating block moves upwards, the pulley moves upwards along the inclined surface below the hopper, so that the reset spring is released, and elastic force is transmitted to the springback rod; the reciprocating pipe drives the springback rod to move downwards and gradually contract into the reciprocating pipe, at the moment, the poking piece rotates reversely, the plastic particles at the bottom of the hopper are poked through forward and reverse rotation of the poking piece, and the problem that the plastic particles are accumulated and blocked at the bottom end of the hopper, and consequently the device cannot conduct feeding is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic bucket production injection moulding technical field, specifically is a kind of injection moulding structure for plastic bucket production. BACKGROUND

[0002] Plastic bucket is a kind of common daily necessities, it is usually made by injection moulding process using injection molding machine in the process of production.

[0003] In prior art, when injection molding machine is used, raw material injection is needed first, injection molding raw material is generally plastic particles, before injection molding, it needs to be introduced into hopper first, when raw material is introduced into hopper, manual addition is usually used, after manual addition is completed, when feeding, plastic particles may be blocked in hopper bottom due to too large diameter of plastic particles and too small conveying port in hopper bottom, which causes uneven feeding, thereby affecting normal use of injection molding. UTILITY MODEL CONTENTS

[0004] The utility model is to provide a kind of injection moulding structure for plastic bucket production, to solve the problems raised in the above background.

[0005] The technical scheme of the utility model is: an injection moulding structure for plastic bucket production, including forming assembly, the one side of forming assembly is fixedly installed with feeding assembly, feeding assembly is installed with downcomer, the upper side of downcomer is fixedly installed with hopper, the upper side of hopper is fixedly installed with hopper cover, the upper side of hopper cover is equipped with driving hole, driving hole is rotatably installed with driving rod, the surface of driving rod is slidably installed with anti-blocking assembly;

[0006] Anti-blocking assembly includes reciprocating block, reciprocating block is slidably installed on the surface of driving rod, the side of reciprocating block is fixedly installed with a plurality of reciprocating tubes, the side of a plurality of reciprocating tubes is equipped with a plurality of through holes, a plurality of through holes are rotatably installed with shaft, the surface of shaft is fixedly installed with paddle, the inner wall of reciprocating tube is slidably installed with driving unit, the inner wall of reciprocating block is fixedly installed with reciprocating unit.

[0007] Preferably, the driving unit includes a rebound rod, the rebound rod is slidably installed on the inner wall of the reciprocating tube, the lower side of the rebound rod is fixedly installed with a rack, a plurality of shafts are fixedly installed with a plurality of gears on the surface, a plurality of gears are engaged with the rack, one end of the rebound rod is fixedly installed with a return spring, the other end of the return spring is fixedly connected with the side of the reciprocating block.

[0008] Preferably, the driving unit further includes a pulley, the pulley is rotatably installed on the other end of the rebound rod, the inner wall of the hopper is fixedly installed with a track.

[0009] Preferably, the driving unit comprises two limiting blocks, the two limiting blocks are fixedly installed on the inner wall of the reciprocating block, the surface of the reciprocating pipe is provided with a limiting groove, and the limiting block is slidingly installed in the limiting groove.

[0010] Preferably, the upper side of the bucket cover is fixedly installed with a driving motor, the output end of the driving motor is fixedly connected with the top end of the driving rod, the upper side of the bucket cover is provided with a discharging port, and the bottom end of the driving rod is fixedly installed with an auger rod.

[0011] Preferably, the surface of the feeding assembly is fixedly installed with a support.

[0012] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0013] The utility model discloses, through driving motor output end drive driving rod, driving block drives reciprocating block to go up and down reciprocating motion, when reciprocating block upward motion, pulley along the inclined surface of hopper bottom upward motion makes reset spring release, and will elastic force delivery to rebound rod, makes rebound rod in reciprocating pipe and stretch out, and the rack will be driven by the rebound rod, the rack will drive a plurality of gear rotates, and a plurality of gear drive corresponding rotation axis rotation, and the rotation axis drives the paddle to rotate, and vice versa when reciprocating block downward motion, reciprocating block drives reciprocating pipe downward motion, and reciprocating pipe drives rebound rod downward motion and gradually contracts to reciprocating pipe, at this time, the paddle reversely rotates, and the plastic particles at the bottom of the hopper are stirred through the forward and reverse rotation of the paddle, so that the plastic particles are prevented from being accumulated and blocked at the bottom of the hopper, and the problem that the device cannot feed is caused. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be explained further in connection with the drawings and examples:

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the sectional structure schematic diagram of the hopper in the utility model;

[0017] Figure 3 It is Figure 2 The structure enlarged schematic diagram of area A;

[0018] Figure 4 It is the sectional structure schematic diagram of reciprocating pipe in the utility model.

[0019] BRIEF DESCRIPTION OF DRAWINGS

[0020] 1, molding assembly; 2, hopper; 3, blanking pipe; 4, support; 5, feeding assembly; 6, drive rod; 7, hopper cover; 8, drive motor; 9, auger rod; 10, reciprocating block; 11, track; 12, reciprocating pipe; 13, limit block; 14, limit groove; 15, rebound rod; 16, pulley; 17, rack; 18, rotating shaft; 19, gear; 20, push piece; 21, return spring. DETAILED DESCRIPTION

[0021] The utility model will be further explained below in combination with specific embodiments, however, people skilled in the art should understand that the detailed description given in combination with the drawings is to explain better, the structure of the utility model must be beyond these limited embodiments, and for some equivalent replacement schemes or common means, this paper will not make detailed description, but still belongs to the protection scope of the application.

[0022] Figures 1-4 It is the best embodiment of the utility model, the following will be combined with the drawings Figures 1-4 The utility model will be further explained.

[0023] As Figures 1-4 The utility model discloses an injection molding structure for plastic drum production, including molding assembly 1, the one side fixed mounting of molding assembly 1 has feeding assembly 5, installs the blanking pipe 3 on feeding assembly 5, the upper side fixed mounting of blanking pipe 3 has hopper 2, the upper side fixed mounting of hopper 2 has hopper cover 7, and the upper side of hopper cover 7 is equipped with the drive hole, and the drive hole is rotatably installed with drive rod 6, and the surface of drive rod 6 is slidably installed with anti-blocking assembly;

[0024] The anti-blocking assembly includes reciprocating block 10, reciprocating block 10 is slidably installed on the surface of drive rod 6, the side of reciprocating block 10 is fixedly installed with a plurality of reciprocating pipes 12, the side of a plurality of reciprocating pipes 12 is all equipped with a plurality of through holes, a plurality of through holes are rotatably installed with rotating shaft 18, the surface of rotating shaft 18 is fixedly installed with push piece 20, and the inner wall of reciprocating pipe 12 is slidably installed with drive unit, and the inner wall of reciprocating block 10 is fixedly installed with reciprocating unit.

[0025] Through the above structure, the forming assembly 1 and the plastic forming area working principle of the injection molding machine in the prior art are consistent, including the fixed mold, the movable mold, the push rod, etc., the movable mold and the fixed mold are pushed by the push rod to perform the mold closing, after the mold closing is completed, the molten plastic raw material is injected, then cooling forming is performed, which will not be described in detail here, the feeding assembly 5 includes a feeding pipe, a conveying blade, a heating rod, a motor, etc., the heating pipe is rotatably installed on the feeding pipe and is provided with the conveying blade, the plastic particles are heated by the heating rod and are in a molten state, and the heating rod is driven to rotate by the motor, the conveying blade is driven by the heating rod to convey the plastic raw material, and the feeding is consistent with the feeding principle of the injection molding machine in the prior art, which will not be described in detail here, the feeding pipe 3 is installed on the feeding pipe of the feeding assembly 5 and is communicated with the feeding pipe, the plastic particles are added into the hopper 2, the plastic particles enter the feeding pipe 3 and are conveyed into the feeding assembly 5 for conveying, the surface of the reciprocating block 10 is provided with four reciprocating pipes 12, three identical-shaped flippers 20 are rotatably installed on both sides of each reciprocating pipe 12 through the rotating shaft 18, the flippers 20 can tumble the plastic particles during the discharging process to prevent the plastic particles from being blocked at the joint of the hopper 2 and the feeding pipe 3.

[0026] Further, the driving unit includes a rebound rod 15, the rebound rod 15 is slidably installed on the inner wall of the reciprocating pipe 12, the lower side of the rebound rod 15 is fixedly installed with a rack 17, the surfaces of the plurality of rotating shafts 18 are fixedly installed with gears 19, the plurality of gears 19 are engaged with the rack 17, one end of the rebound rod 15 is fixedly installed with a return spring 21, and the other end of the return spring 21 is fixedly connected with the side surface of the reciprocating block 10.

[0027] Through the above structure, one rebound rod 15 is correspondingly slidably installed in each reciprocating pipe 12, the lower side of the rebound rod 15 is provided with the gear 19, which is convenient for driving the gear 19 to rotate the rotating shaft 18, the reciprocating pipe 12 is in a sealed structure, only an avoiding opening for sliding with the rebound rod 15 is reserved on one side, which can effectively prevent the plastic particles from entering the reciprocating pipe 12 to cause the tooth jamming.

[0028] Further, the driving unit further includes a pulley 16, the pulley 16 is rotatably installed at the other end of the rebound rod 15, and the inner wall of the hopper 2 is fixedly installed with a track 11.

[0029] Through the above structure, the pulley 16 is attached to the track 11, which can limit the rebound rod 15 and also increase the stability during the movement of the rebound rod 15.

[0030] Further, the driving unit includes two limiting blocks 13, the two limiting blocks 13 are fixedly installed on the inner wall of the reciprocating block 10, the surface of the reciprocating pipe 12 is provided with a limiting groove 14, and the limiting block 13 is slidably installed in the limiting groove 14.

[0031] Through the above structure, the two limiting blocks 13 are spherical and fit in the limiting grooves 14, the limiting grooves 14 are V-shaped and surround the surface of the reciprocating pipe 12, when the reciprocating pipe 12 rotates, through the horizontal limiting of the spherical limiting blocks 13 and the pulleys 16, the reciprocating block 10 can be made to reciprocate up and down.

[0032] Further, the upper side of the hopper cover 7 is fixedly provided with a driving motor 8, the output end of the driving motor 8 is fixedly connected with the top end of the driving rod 6, the upper side of the hopper cover 7 is provided with a discharging port, and the bottom end of the driving rod 6 is fixedly provided with an auger rod 9.

[0033] Through the above structure, the driving motor 8 can provide power for the driving rod 6, thereby providing power for the auger rod 9, so that the plastic particles are conveyed.

[0034] Further, the surface of the feeding assembly 5 is fixedly provided with a support 4.

[0035] Through the above structure, the feeding assembly 5 can be supported through the support 4, and the structural stability is increased.

[0036] Working principle: when the device is in use, first, the plastic raw materials used for injection molding are poured into the discharging port on the hopper cover 7, then the molding assembly 1, the feeding assembly 5 and the driving motor 8 are started in turn, the driving rod 6 is driven to rotate through the output end of the driving motor 8, the reciprocating block 10 is made to reciprocate up and down by the limiting action of the two limiting blocks 13, the limiting grooves 14, the reciprocating pipe 12, the rebound rod 15 and the pulley 16, when the reciprocating block 10 moves upward, the pulley 16 moves upward along the inclined surface below the hopper 2, the return spring 21 is released, and the elastic force is transmitted to the rebound rod 15, so that the rebound rod 15 extends in the reciprocating pipe 12, the rebound rod 15 drives the rack 17 to move, the rack 17 drives the plurality of gears 19 to rotate, the plurality of gears 19 drive the corresponding shafts 18 to rotate, the shafts 18 drive the paddles 20 to rotate, and vice versa, when the reciprocating block 10 moves downward, the reciprocating block 10 drives the reciprocating pipe 12 to move downward and gradually shrink into the reciprocating pipe 12, at this time, the paddles 20 are reversely rotated, the plastic particles at the bottom of the hopper 2 are stirred through the forward and reverse rotation of the paddles 20, so that the plastic particles are prevented from being accumulated and blocked at the bottom of the hopper 2, thereby preventing the problem that the device cannot feed.

[0037] The driving rod 6 drives the auger rod 9 to rotate in the discharging pipe 3, the plastic in the discharging pipe 3 can be conveyed, and then conveyed into the feeding assembly 5, the plastic particles are heated and conveyed through the feeding assembly 5, and then injected into the molding assembly 1, thereby completing the production of the plastic barrel.

[0038] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments without departing from the technical solution of the present application, and in accordance with the technical essence of the present application, still belong to the protection scope of the technical solution of the present application.

Claims

1. A plastic bucket production injection molding structure comprising a molding assembly (1), characterized in that: The side of the forming assembly (1) is fixedly installed with a feeding assembly (5), the feeding assembly (5) is installed with a discharging pipe (3), the upper side of the discharging pipe (3) is fixedly installed with a hopper (2), the upper side of the hopper (2) is fixedly installed with a cover (7), the upper side of the cover (7) is provided with a driving hole, the driving hole is rotatably installed with a driving rod (6), the surface of the driving rod (6) is slidably installed with an anti-blocking assembly; The anti-blocking assembly comprises a reciprocating block (10), the reciprocating block (10) is slidably installed on the surface of the driving rod (6), the side of the reciprocating block (10) is fixedly installed with a plurality of reciprocating pipes (12), the side of the reciprocating pipe (12) is provided with a plurality of through holes, the plurality of through holes are rotatably installed with a rotating shaft (18), the surface of the rotating shaft (18) is fixedly installed with a push piece (20), the inner wall of the reciprocating pipe (12) is slidably installed with a driving unit, the inner wall of the reciprocating block (10) is fixedly installed with a reciprocating unit.

2. The injection molding structure for producing plastic barrels according to claim 1, characterized in that: The driving unit comprises a rebound rod (15), the rebound rod (15) is slidably installed on the inner wall of the reciprocating pipe (12), the lower side of the rebound rod (15) is fixedly installed with a rack (17), the surface of the plurality of rotating shafts (18) is fixedly installed with a gear (19), the plurality of gears (19) are engaged with the rack (17), one end of the rebound rod (15) is fixedly installed with a return spring (21), the other end of the return spring (21) is fixedly connected with the side of the reciprocating block (10).

3. The injection molding structure for producing plastic barrels according to claim 2, characterized in that: The driving unit further comprises a pulley (16), the pulley (16) is rotatably installed on the other end of the rebound rod (15), the inner wall of the hopper (2) is fixedly installed with a track (11).

4. The injection molding structure for producing plastic barrels according to claim 1, characterized in that: The driving unit comprises two limiting blocks (13), the two limiting blocks (13) are fixedly installed on the inner wall of the reciprocating block (10), the surface of the reciprocating pipe (12) is provided with a limiting groove (14), the limiting block (13) is slidably installed in the limiting groove (14).

5. The injection molding structure for producing plastic barrels according to claim 1, characterized in that: The upper side of the cover (7) is fixedly installed with a driving motor (8), the output end of the driving motor (8) is fixedly connected with the top end of the driving rod (6), the upper side of the cover (7) is provided with a discharging port, the bottom end of the driving rod (6) is fixedly installed with an auger rod (9).

6. The injection molding structure for producing plastic barrels according to claim 1, characterized in that: The surface of the feeding assembly (5) is fixedly installed with a support (4).

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