Automatic feeding device for injection molding production line

Abstract

The automatic feeding device for the injection molding production line comprises a main body, a transmission cavity is formed in the upper side of the interior of the main body, a lifting plate is arranged in the transmission cavity, a material storage barrel is arranged in the lifting plate, a conveying cavity is formed in the lower side of the interior of the main body, and the conveying cavity is communicated with the conveying cavity. And a conveying rod is rotationally arranged in the conveying cavity, spiral conveying blades are welded to the outer wall of the conveying rod, a pressure sensor is installed on one side of the upper end in the transmission cavity, and a top cover is installed at the upper end of the main body. According to the automatic feeding device for the injection molding production line, nearby operators are attracted by giving out alarm sound so as to timely notice that the material storage barrel needs to be supplemented with raw materials, manual intervention is not needed, the production and processing efficiency is greatly improved, and human errors are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding production line technical field, concretely is a kind of automatic feeding device for injection molding production line. BACKGROUND

[0002] Injection molding production line is the key link indispensable in modern plastics production, it is integrated with the heating of plastic raw material, melting, injection molding, cooling solidification, demolding and post-processing etc., realizes the continuous efficient production from raw material to finished product, injection molding production line is usually composed of injection molding machine, mould, automation control system, temperature control system, conveying belt and auxiliary equipment etc., injection molding machine as core equipment, by accurately controlling the heating, melting and injection pressure of plastic raw material, melt plastic is injected into mould cavity, after cooling solidification, the product of required shape is formed, feeding device can ensure that injection molding machine has enough raw material supply in production process.

[0003] The existing patent with the announcement number CN207696919U discloses an automatic feeding device of injection molding machine, including injection molding machine and feeding tank, the feeding tank is located at the top end of injection molding machine, the feeding tank top is provided with pumping pump, and feeding tank and pumping pump are fixedly provided with feeding pipe, one end of the pumping pump is fixedly installed with pumping pipe, and the bottom end of the pumping pipe is provided with arc-shaped protective cover, the top end of the arc-shaped protective cover is provided with exhaust pipe, and the arc-shaped protective cover and the exhaust pipe are fixedly installed with vacuum pump, the feeding tank is connected with arc-shaped protective cover through pumping pipe arranged on the side of top pumping pump.

[0004] The above scheme can effectively increase the feeding rate by using vacuum feeding, but the device needs to be checked by the operator regularly during use The raw material inventory in the feeding tank, this kind of artificial way not only time-consuming and laborious, but also easily affected by human factors, such as misjudgment or carelessness, leading to insufficient or excessive feeding, and further affecting the stable operation of production line and product quality, therefore, it does not meet the existing demand, for this, we propose an automatic feeding device for injection molding production line. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an automatic feeding device for injection molding production line to solve the problem of inconvenient use caused by the need for the operator to check the raw material inventory in the feeding tank regularly in the background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: An automatic feeding device for injection molding production line, including main part, the upside of main part inside is equipped with transmission cavity, the inside of transmission cavity is provided with lifting plate, the inside of lifting plate is provided with storage material cylinder, the downside of main part inside is equipped with conveying cavity, the inside of conveying cavity is provided with conveying rod, the outer wall of conveying rod is welded with spiral conveying blade, one side of transmission cavity inside upper end is provided installation pressure sensor, the upper end of main part is installed top cap.

[0007] Preferably, the four corners of the transmission cavity are welded with guide rods, one end of the guide rod penetrates the lifting plate, and the guide rod is in sliding fit with the lifting plate.

[0008] Preferably, the downside of the guide rod is sleeved with a reset spring, one end of the reset spring is connected with the lifting plate, and the other end of the reset spring is connected with the transmission cavity.

[0009] Preferably, one side of the main body is provided with a PLC controller, and the input end of the PLC controller is electrically connected with the output end of the pressure sensor, one side below the PLC controller is provided with an alarm, and the input end of the alarm is electrically connected with the output end of the PLC controller.

[0010] Preferably, one side of the conveying cavity is provided with a motor, and the output end of the motor is drivingly connected with the conveying rod through a shaft coupling.

[0011] Preferably, the front end of the main body is provided with a chute, the downside of the front end of the storage material cylinder is adhesively fixed with a connecting block, the connecting block penetrates the chute and extends to the outside of the transmission cavity, one end of the connecting block outside the transmission cavity is adhesively fixed with an indicating block, and the indicating block is in sliding fit with the main body.

[0012] Preferably, the lower end of the storage material cylinder is connected with the conveying cavity through a folding telescopic pipe.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses a guide rod is welded at the four corners in the transmission cavity, the downside of the outer wall of the guide rod is sleeved with a reset spring, along with the work of the injection molding machine on the injection molding production line, the raw materials in the storage material cylinder will gradually reduce, the elastic force of the reset spring will be greater than the gravity of the storage material cylinder, so that the storage material cylinder is lifted through the lifting plate, when the raw materials need to be added, the lifting plate will press the pressure sensor, the pressure sensor will send an electric signal to the PLC controller, the PLC controller will start the alarm, so that the alarm sound is emitted to attract the nearby operators, so that the storage material cylinder needs to be replenished in time, without manual intervention, the production and processing efficiency is greatly improved, and the human error is reduced.

[0015] 2. The utility model discloses a connecting block is fixed with in the front end of the storage cylinder, when the storage cylinder is up, and the indicating block is moved synchronously through the connecting rod, because indicating block is located the front end of main part and with main part sliding cooperation, will with the up of storage cylinder synchronous movement, when indicating block moves up with the up of storage cylinder, clearly indicate the reduction degree of raw material in storage cylinder, make the operator need not open or check storage cylinder frequently, only need one eye looks, can judge whether need to supplement raw material quickly, thereby greatly improve work efficiency and the convenience of operation.

[0016] 3. The utility model discloses a conveying cavity is set up in the lower end in the inside of main part, through the motor of conveying cavity one side is started, can make the conveying rod rotation in the inside of conveying cavity, and conveying rod will drive screw conveyor blade 7 synchronous rotation, realize the screw conveying effect of raw material, effectively avoid the problem of outlet blockage because of raw material accumulation or agglomeration, ensure the continuity and stability of raw material supply, for maintaining the smooth operation of injection molding production line is very important. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the inside structure front view schematic diagram of the utility model;

[0019] Figure 3 It is the inside structure side view schematic diagram of the utility model;

[0020] Figure 4 It is the inside structure side view schematic diagram of the utility model; Figure 2 It is the local enlarged view of A area in the utility model.

[0021] In the drawing: 1, main part;2, top cover;3, transmission cavity;4, conveying cavity;5, motor;6, conveying rod;7, screw conveyor blade;8, guide rod;9, lifting plate;10, storage cylinder;11, return spring;12, pressure sensor;13, PLC controller;14, alarm;15, folding telescopic pipe;16, sliding slot;17, connecting block;18, indicating block. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Please refer to Figures 1-4The utility model provides a kind of technical scheme: an automatic feeding device for injection molding production line, including main body 1, the upside in main body 1 inside is equipped with transmission cavity 3, transmission cavity 3 inside is provided with lifting plate 9, the inside of lifting plate 9 is provided with storage container 10, the downside in main body 1 inside is equipped with conveying cavity 4, conveying cavity 4 inside is rotatably provided with conveying rod 6, the outer wall of conveying rod 6 is welded with spiral conveying blade 7, one side of conveying cavity 4 is provided with motor 5, and the output end of motor 5 is connected with conveying rod 6 by coupling transmission, one side of the inside upper end of transmission cavity 3 is provided with pressure sensor 12, and the upper end of main body 1 is provided with top cover 2.

[0024] By opening top cover 2, injection molding raw materials can be filled into storage container 10, and the electric control valve at the lower end of storage container 10 controls the discharge of the raw materials. The raw materials enter conveying cavity 4 through folding telescopic pipe 15. After starting motor 5, conveying rod 6 and the spiral conveying blade 7 thereon begin to rotate, realizing the spiral conveying of the raw materials and ensuring the continuity and stability of the supply of raw materials. As the amount of raw materials decreases, the gravity of storage container 10 gradually becomes smaller than the elastic force of return spring 11, and lifting plate 9 moves upward to drive storage container 10 and connecting block 17 to move in sliding groove 16, and indicating block 18 slides to indicate the decrease of raw materials. When the raw materials need to be replenished, lifting plate 9 presses pressure sensor 12, and the signal is transmitted to PLC controller 13, and alarm 14 is started to remind the operator, improving the production efficiency and reducing human errors.

[0025] Please refer to Figure 2 and Figure 3 The four corners in the inside of transmission cavity 3 are welded with guide rods 8, one end of guide rods 8 penetrates lifting plate 9, and guide rods 8 are in sliding fit with lifting plate 9, ensuring the stability and direction accuracy of lifting plate 9 during upward and downward movement, avoiding the damage of storage container 10 caused by deviation or shaking. The downside of the outside of guide rods 8 is sleeved with return springs 11, one end of return springs 11 is connected with lifting plate 9, and the other end of return springs 11 is connected with transmission cavity 3. Lifting plate 9 can be automatically reset under the elastic force of return springs 11 without manual intervention, improving the degree of automation of the equipment.

[0026] Please refer to Figure 1 and Figure 2 One side of main body 1 is provided with PLC controller 13, and the input end of PLC controller 13 is electrically connected with the output end of pressure sensor 12, which can receive the signal transmitted by pressure sensor 12 in real time, and determine whether alarm 14 needs to be started according to the preset logic. One side below PLC controller 13 is provided with alarm 14, and the input end of alarm 14 is electrically connected with the output end of PLC controller 13. When PLC controller 13 determines that the raw materials need to be replenished, alarm 14 is automatically started to emit an alarm sound, reminding the operator to handle in time, thereby ensuring the continuity and stability of the production line.

[0027] Please refer to Figure 1 and Figure 3 The front end of the main body 1 is provided with a sliding groove 16, and the lower side of the front end of the storage cylinder 10 is adhesively fixed with a connecting block 17, and the connecting block 17 penetrates through the sliding groove 16 and extends to the outside of the transmission cavity 3, and one end of the connecting block 17 located outside the transmission cavity 3 is adhesively fixed with an indicating block 18, and the indicating block 18 is in sliding fit with the main body 1, so that the up and down movement of the storage cylinder 10 can be directly reflected by the sliding of the connecting block 17 in the sliding groove 16, and the operator can quickly understand the remaining situation of the raw materials in the storage cylinder 10 by observing the sliding position of the indicating block 18, greatly improving the work efficiency and the convenience of operation;

[0028] Please refer to Figure 4 The lower end of the storage cylinder 10 is connected with the conveying cavity 4 through the folding telescopic pipe 15, and the design of the folding telescopic pipe 15 makes it can freely stretch and shrink according to the up and down movement of the storage cylinder 10, so as to ensure the continuity and stability of the raw material conveying, and at the same time the folding telescopic pipe 15 can also effectively prevent the leakage of raw materials during conveying, avoiding the waste of resources and the pollution of environment.

[0029] Working principle: in use, by opening the top cover 2 can be filled with injection material in the storage cylinder 10, the lower end of the storage cylinder 10 is provided with electric control valve, facilitate discharging, by opening the electric control valve can make the inside of the injection material through the folding telescopic pipe 15 into the inside of the conveying cavity 4, the setting of folding telescopic pipe 15 avoids the leakage of injection material, avoids the waste of resources, after the injection material enters the conveying cavity 4, the motor 5 will rotate the conveying rod 6 through the coupling, the conveying rod 6 will drive the spiral conveying blade 7 on its outer wall to rotate, realize the spiral conveying effect of injection material, can avoid the blockage problem of discharge port caused by material accumulation or caking, ensure the continuity and stability of material supply, with the work of injection molding machine, the injection material in the storage cylinder 10 will introduce, at this time the gravity of the storage cylinder 10 will be less than the elastic force of the reset spring 11, so that the lifting plate 9 can be moved up through the elastic action of the reset spring 11, the guiding rod 8 plays a limiting role on the lifting plate 9, avoids the direction deviation of the lifting plate 9 when moving up and down, and the lifting plate 9 moves up will drive the storage cylinder 10 to move up synchronously, the storage cylinder 10 will move synchronously in the chute 16 through the connecting block 17, the connecting block 17 will drive the indicating block 18 to slide at the front end of the main body 1, the operator need not open or check the storage cylinder 10 frequently, by observing the movement of the indicating block 18, the degree of reduction of the material can be intuitively understood, and when the material needs to be replenished, the lifting plate 9 will press the pressure sensor 12, the pressure sensor 12 will send electric signal to the PLC controller 13, the PLC controller 13 will start the alarm 14 after processing and send alarm sound, so as to attract and remind the nearby operator to come to deal with, so as to timely notice that the storage cylinder 10 needs to be replenished, without manual intervention, greatly improve the production and processing efficiency and reduce the human error.

[0030] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. An automatic feeding device for injection molding production lines, comprising a main body (1), characterized in that: The upper side of the inside of the main body (1) is provided with a transmission cavity (3), the inside of the transmission cavity (3) is provided with a lifting plate (9), the inside of the lifting plate (9) is provided with a storage cylinder (10), the lower side of the inside of the main body (1) is provided with a conveying cavity (4), the inside of the conveying cavity (4) is rotatably provided with a conveying rod (6), the outer wall of the conveying rod (6) is welded with a spiral conveying blade (7), one side of the upper end of the inside of the transmission cavity (3) is provided with a pressure sensor (12), and the upper end of the main body (1) is provided with a top cover (2).

2. The automatic feeding device for injection molding production line according to claim 1, characterized in that: The four corners of the inside of the transmission cavity (3) are welded with guide rods (8), one end of the guide rod (8) penetrates the lifting plate (9), and the guide rod (8) is in sliding fit with the lifting plate (9).

3. The automatic feeding device for injection molding production line according to claim 2, characterized in that: The lower side of the outside of the guide rod (8) is sleeved with a reset spring (11), one end of the reset spring (11) is connected with the lifting plate (9), and the other end of the reset spring (11) is connected with the transmission cavity (3).

4. The automatic feeding device for injection molding production line according to claim 1, characterized in that: One side of the main body (1) is provided with a PLC controller (13), and the input end of the PLC controller (13) is electrically connected with the output end of the pressure sensor (12), one side below the PLC controller (13) is provided with an alarm (14), and the input end of the alarm (14) is electrically connected with the output end of the PLC controller (13).

5. The automatic feeding device for injection molding production line according to claim 1, characterized in that: One side of the conveying cavity (4) is provided with a motor (5), and the output end of the motor (5) is drivingly connected with the conveying rod (6) through a shaft coupling.

6. The automatic feeding device for injection molding production line according to claim 1, characterized in that: The front end of the main body (1) is provided with a chute (16), the lower side of the front end of the storage cylinder (10) is adhesively fixed with a connecting block (17), the connecting block (17) penetrates the chute (16) and extends to the outside of the transmission cavity (3), one end of the connecting block (17) located outside the transmission cavity (3) is adhesively fixed with an indicating block (18), and the indicating block (18) is in sliding fit with the main body (1).

7. The automatic feeding device for injection molding production line according to claim 1, characterized in that: The lower end of the storage cylinder (10) and the conveying cavity (4) are connected through a folding telescopic pipe (15).

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