Feeding device for injection molding equipment

Abstract

The utility model discloses a feeding device for injection molding equipment, relates to the field of feeding devices, and aims to solve the problems that in the prior art, an existing feeding device needs to drive a barrel body to ascend to the upper end of the injection molding equipment through a driving device for feeding, raw materials cannot be continuously conveyed, and the working efficiency of the injection molding equipment is affected. The feeding device comprises a conveying pipe, a discharging port is formed in the upper end of one side of the conveying pipe, a conveying shaft is rotationally connected to the middle of the interior of the conveying pipe, a spiral blade is arranged on the conveying shaft, a feeding port is formed in the lower end of one side of the conveying pipe, and a feeding hopper is connected to the outer side of the feeding port. The first driving device for driving the conveying shaft to rotate is arranged at the upper end of the conveying pipe to drive the rotating blades to drive particle raw materials entering the conveying pipe through the feeding hopper to be conveyed to the discharging opening of the conveying pipe under rotation of the rotating blades and finally continuously conveyed into injection molding equipment, and the whole feeding device is convenient to operate and high in efficiency. The feeding efficiency is high.

Description

Technical Field

[0001] The utility model relates to the field of injection molding equipment, in particular to a feeding device for injection molding equipment. Background Art

[0002] Injection molding machine is also known as injection molding machine or injection machine. Many factories call it beer machine and injection molded products are called beer parts. It is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting materials.

[0003] For example, the authorization announcement number CN208759908U discloses a feeding device for injection molding equipment, the key points of its technical solution are: the feeding device includes a fixed frame fixed on the injection molding machine body, the fixed frame is fixed with a servo motor, the motor shaft of the servo motor is fixed with an inclined screw, the screw and the fixed frame are rotatably connected, the external thread of the screw is connected to a first fixed block, the fixed frame is also fixed with a guide rod, the external sliding connection of the guide rod is connected to a second fixed block, the first fixed block and the second fixed block are jointly fixed to the top surface of the fixed plate, the lower part of the fixed plate is fixedly connected to a barrel body, the inside of the barrel body is fixed with a cylinder body of an air cylinder, the bottom of the barrel body is also provided with a through groove, the end of the piston rod of the cylinder is fixed with a blocking plate for blocking the through groove, and the top surface of the fixed plate is also provided with a feeding port. The device can realize automatic feeding, save manpower and improve production.

[0004] However, the above invention requires a driving device to drive the barrel to rise to the upper end of the injection molding equipment for adding materials, and cannot continuously transport raw materials, affecting the working efficiency of the injection molding equipment; therefore, the market urgently needs to develop a feeding device for injection molding equipment that can realize continuous raw material transportation to help people solve the existing problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a feeding device for injection molding equipment to solve the problem proposed in the above background technology that the existing feeding device needs to drive the barrel to rise to the upper end of the injection molding equipment through a driving device for feeding, and cannot perform continuous raw material transportation, thereby affecting the working efficiency of the injection molding equipment.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a feeding device for injection molding equipment, comprising a conveying pipe, a discharge port is provided at the upper end of one side of the conveying pipe, a conveying shaft is rotatably connected in the center of the conveying pipe, a spiral blade is provided on the conveying shaft, a first driving device for driving the conveying shaft to rotate is provided at the top of the conveying pipe, a feed port is provided at the lower end of one side of the conveying pipe, a feeding hopper is connected to the outside of the feed port, a rotating shaft is rotatably connected in the feeding hopper, a plurality of stirring rods are arranged in an array on the rotating shaft, and a second driving device for driving the rotating shaft is provided at the front end of the feeding hopper.

[0007] Preferably, a material guide pipe is fixedly connected to the outside of the discharge port.

[0008] Preferably, a circular limiting tube is fixedly connected to the center of the lower end surface of the conveying tube, and the lower end of the conveying shaft can be rotatably inserted into the circular limiting tube.

[0009] Preferably, the first driving device includes a first motor cover arranged at the upper end of the conveying pipe, a first motor is fixed inside the first motor cover, the upper end of the conveying shaft passes through the upper end of the conveying pipe and extends to the inside of the first motor cover and is connected to the output shaft of the first motor through a coupling.

[0010] Preferably, the lower end of one side of the feeding hopper is connected to the upper feed port of the conveying pipe.

[0011] Preferably, the second driving device includes a second motor cover arranged at the front end of the feeding hopper, and a second motor is fixedly installed in the second motor cover.

[0012] Preferably, the front end of the rotating shaft passes through the front end of the feeding hopper and extends to the inside of the second motor cover and is connected to the output shaft of the second motor through a reducer.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model provides a first driving device at the upper end of the conveying pipe to drive the conveying shaft to rotate, thereby driving the rotating blade to rotate, and then driving the granular raw materials entering the conveying pipe through the feeding hopper to be conveyed to the discharge port of the conveying pipe under the rotation of the rotating blade, and finally continuously conveyed to the injection molding equipment. The entire feeding device is easy to operate and has high feeding efficiency.

[0015] 2. The utility model achieves the effect of slowly stirring the granular raw materials in the feeding hopper by arranging a rotating shaft driven by a second driving device in the feeding hopper, thereby driving the stirring rod on the rotating shaft to rotate, thereby improving the feeding efficiency. At the same time, it can also prevent the granular raw materials from being stuck with each other when they accumulate too much inside the feeding hopper, resulting in the granular raw materials not being able to be discharged smoothly.

[0016] 3. The utility model arranges a circular limiting tube in the center of the lower end surface of the conveying tube so that the lower end of the conveying shaft can be rotatably inserted into the circular limiting tube, so that the conveying shaft can maintain the limit position when rotating. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural diagram of a feeding device for injection molding equipment according to the present invention;

[0018] Figure 2 This is a diagram of the internal structure of the delivery pipe of the present utility model;

[0019] Figure 3 It is a side sectional view of the utility model;

[0020] Figure 4 For the utility model Figure 3 A partial enlarged view of point A in the middle.

[0021] In the figure: 1. Conveying pipe; 101. Feeding port; 102. Discharging port; 103. Circular limiting pipe; 104. Material guide pipe; 2. Conveying shaft; 201. Spiral blade; 3. First driving device; 301. First motor cover; 302. First motor; 4. Feeding hopper; 401. Second driving device; 402. Second motor cover; 403. Second motor; 404. Rotating shaft; 405. Stirring rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] See also Figure 1-4 The utility model provides an embodiment: a feeding device for injection molding equipment, comprising a conveying pipe 1, a discharge port 102 is provided at the upper end of one side of the conveying pipe 1, a conveying shaft 2 is rotatably connected in the center of the conveying pipe 1, a spiral blade 201 is provided on the conveying shaft 2, a first driving device 3 is provided at the top of the conveying pipe 1 to drive the conveying shaft 2 to rotate, a feed port 101 is provided at the lower end of one side of the conveying pipe 1, a hopper 4 is connected to the outside of the feed port 101, a rotating shaft 404 is rotatably connected in the hopper 4, a plurality of stirring rods 405 are arranged in an array on the rotating shaft 404, and a second driving device 401 is provided at the front end of the hopper 4 to drive the rotating shaft 404 to rotate.

[0024] Furthermore, a material guide pipe 104 is fixedly connected to the outside of the discharge port 102 , and the material guide pipe 104 is connected to the feeding port of the injection molding equipment. The granular raw materials in the conveying pipe 1 enter the interior of the injection molding equipment through the material guide pipe 104 .

[0025] Furthermore, a circular limiting tube 103 is fixedly connected to the center of the lower end surface of the conveying tube 1, and the lower end of the conveying shaft 2 is rotatably inserted into the circular limiting tube 103, so that the lower end of the conveying shaft 2 remains limited when rotating.

[0026] Furthermore, the first driving device 3 includes a first motor cover 301 arranged at the upper end of the conveying pipe 1, and a first motor 302 is fixedly provided inside the first motor cover 301. The upper end of the conveying shaft 2 passes through the upper end of the conveying pipe 1 and extends to the inside of the first motor cover 301 and is connected to the output shaft of the first motor 302 through a coupling. The conveying shaft 2 is driven to rotate by the first motor 302, and then the spiral blade 201 is driven to rotate, so that the granular raw material entering the feed port 101 is lifted by the spiral blade 201 and discharged from the discharge port 102.

[0027] Furthermore, the lower end of one side of the feeding hopper 4 is connected to the feed port 101 on the conveying pipe 1. The granular raw material is added into the feeding hopper 4. The raw material is guided to the feed port 101 by its own gravity and the internal inclined surface of the feeding hopper 4 and enters the interior of the conveying pipe 1.

[0028] Furthermore, the second driving device 401 includes a second motor cover 402 arranged at the front end of the feeding hopper 4, and a second motor 403 is fixedly provided in the second motor cover 402.

[0029] Furthermore, the front end of the rotating shaft 404 passes through the front end of the feeding hopper 4 and extends to the inside of the second motor cover 402 and is connected to the output shaft of the second motor 403 through a reducer. The second motor 403 drives the rotating shaft 404 to rotate, so that the rotating shaft 404 drives multiple stirring rods 405 to slowly stir the granular raw materials inside the feeding hopper 4, thereby accelerating the feeding efficiency. At the same time, it can prevent the granular raw materials from being stuck with each other when they accumulate too much inside the feeding hopper 4, resulting in the occurrence of no material discharge.

[0030] Working principle: When in use, add the granular raw material into the feeding hopper 4, the front end of the rotating shaft 404 passes through the front end of the feeding hopper 4 and extends to the inside of the second motor cover 402 and is connected to the output shaft of the second motor 403 through a reducer, and the second motor 403 drives the rotating shaft 404 to rotate, so that the rotating shaft 404 drives multiple stirring rods 405 to slowly stir the granular raw material inside the feeding hopper 4, thereby accelerating the feeding efficiency and preventing the granular raw materials from getting stuck with each other inside the feeding hopper 4 and not being discharged. The lower end of one side of the feeding hopper 4 is connected to the feed port 101 on the conveying pipe 1, and the granular raw material is added to the feeding hopper 4. The material is guided to the feed port 101 by its own gravity and the internal inclined surface of the feeding hopper 4. The middle part of the conveying pipe 1 is rotatably connected to the conveying shaft 2, and the conveying shaft 2 is provided with a spiral blade 201. The conveying shaft 2 is driven to rotate by the first motor 302, and then the spiral blade 201 is driven to rotate, so that the granular raw material entering the feed port 101 is lifted by the spiral blade 201 and discharged from the discharge port 102. The outer side of the discharge port 102 is fixedly connected to the guide pipe 104, which is connected to the feeding port of the injection molding equipment. The granular raw material in the conveying pipe 1 enters the interior of the injection molding equipment through the guide pipe 104, which is convenient to operate and improves the feeding efficiency.

[0031] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A feeding device for an injection molding machine, comprising a delivery pipe (1), characterized in that: A discharge port (102) is provided at the upper end of one side of the conveying pipe (1), a conveying shaft (2) is rotatably connected in the center of the conveying pipe (1), a spiral blade (201) is provided on the conveying shaft (2), a first driving device (3) for driving the conveying shaft (2) to rotate is provided at the top end of the conveying pipe (1), a feed port (101) is provided at the lower end of one side of the conveying pipe (1), a feeding hopper (4) is connected to the outside of the feed port (101), a rotating shaft (404) is rotatably connected in the feeding hopper (4), a plurality of stirring rods (405) are arranged in an array on the rotating shaft (404), and a second driving device (401) for driving the rotating shaft (404) to rotate is provided at the front end of the feeding hopper (4).

2. A feeding device for injection molding equipment according to claim 1, characterized in that: A material guide pipe (104) is fixedly connected to the outside of the discharge port (102).

3. The feeding device for injection molding equipment according to claim 1, characterized in that: A circular limiting tube (103) is fixedly connected to the center of the lower end surface of the conveying tube (1), and the lower end of the conveying shaft (2) is rotatably inserted into the interior of the circular limiting tube (103).

4. The feeding device for injection molding equipment according to claim 1, characterized in that: The first driving device (3) comprises a first motor cover (301) arranged at the upper end of the conveying pipe (1), a first motor (302) being fixedly arranged inside the first motor cover (301), and the upper end of the conveying shaft (2) passes through the upper end of the conveying pipe (1) and extends into the interior of the first motor cover (301) and is connected to the output shaft of the first motor (302) via a coupling.

5. The feeding device for injection molding equipment according to claim 1, characterized in that: The lower end of one side of the feeding hopper (4) is communicated with the upper feed port (101) of the conveying pipe (1).

6. The feeding device for injection molding equipment according to claim 1, characterized in that: The second driving device (401) comprises a second motor cover (402) arranged at the front end of the feeding hopper (4), and a second motor (403) is fixedly arranged in the second motor cover (402).

7. A feeding device for injection molding equipment according to claim 6, characterized in that: The front end of the rotating shaft (404) passes through the front end of the feeding hopper (4) and extends to the interior of the second motor cover (402) and is connected to the output shaft of the second motor (403) via a speed reducer.

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