Injection molding machine feeding mechanism and injection molding machine

Abstract

The present application relates to the field of injection molding machines, and in particular to a feeding mechanism of an injection molding machine and an injection molding machine, comprising an injection molding machine body, wherein a feeding mechanism is installed at a feeding port of the injection molding machine body, comprising a funnel, a storage barrel rotatably connected above the funnel, and a support frame located outside the funnel and the storage barrel, wherein the funnel is connected to the feeding port of the injection molding machine, the storage barrel is connected to the funnel, a plurality of stirring plates are arranged inside the storage barrel, a motor for driving the storage barrel to rotate is arranged on the support frame, and the motor is connected to the storage barrel, thereby achieving the effect of preventing the raw materials of the injection molding machine from blocking the feeding port of the injection molding machine.

Description

Technical Field

[0001] The present application relates to the field of injection molding machines, and in particular to a feeding mechanism of an injection molding machine and an injection molding machine. Background Art

[0002] An injection molding machine is a machine that heats and melts thermoplastics or solid plastics and injects them into a specific shape. Injection molding machines are very common in the production of plastic products and are widely used in national defense, electromechanics, automobiles, transportation, building materials, packaging, agriculture, culture, education, health and people's daily life.

[0003] The existing injection molding machine mainly includes a feeding structure, a heating structure, a propulsion structure and an injection molding structure. Thermoplastic or solid plastic enters the injection molding machine from the feeding structure, and is then pushed toward the injection molding structure by the propulsion structure. At the same time, the heating structure heats the thermoplastic or solid plastic into a liquid state, and the propulsion structure pushes the liquid plastic into the injection molding structure to make the liquid plastic flow into a specific shape. The liquid plastic is then cooled and formed to complete the production.

[0004] The feed structure of the existing injection molding machine is mostly described as being static. When conveying raw materials, the raw materials are easily accumulated at the feed port, thereby blocking the feed port. In addition, thermoplastics or solid plastics placed in the hopper for a long time may stick to the feed mechanism, blocking the feed port, thereby reducing the production efficiency of the injection molding machine. Summary of the invention

[0005] In order to prevent the raw materials of an injection molding machine from blocking the feed port of the injection molding machine, the present application provides a feeding mechanism for an injection molding machine and an injection molding machine.

[0006] The above technical objectives of this application are achieved through the following technical solutions:

[0007] A feeding mechanism for an injection molding machine comprises a funnel, a material storage barrel rotatably connected above the funnel, and a support frame located outside the funnel and the material storage barrel, wherein the funnel is connected to a feeding port of the injection molding machine, the material storage barrel is communicated with the funnel, a plurality of stirring plates are arranged inside the material storage barrel, a motor for driving the material storage barrel to rotate is arranged on the support frame, and the motor is connected to the material storage barrel.

[0008] By adopting the above scheme, the motor drives the storage barrel to rotate, so that the stirring plate inside the storage barrel stirs the material inside the storage barrel, thereby preventing the raw materials from accumulating and clogging, resulting in the raw materials being unable to enter the injection molding machine and affecting the efficiency of the injection molding machine, thereby preventing the raw materials from blocking the feed port of the injection molding machine.

[0009] Optionally, a gear ring is provided on the output shaft of the motor, and a circle of gear teeth is provided on the outside of the storage barrel, and the gear ring is meshed with the gear teeth.

[0010] By adopting the above technical solution, the motor drives the ring gear to rotate, and the ring gear drives the gear teeth to rotate, thereby driving the storage barrel to rotate.

[0011] Optionally, a barrel stabilizing bearing is provided on the outer side of the storage barrel, and the storage barrel is rotatably connected to the support frame via the barrel stabilizing bearing.

[0012] By adopting the above technical solution, the support frame supports the storage barrel, thereby reducing the force on the pressure bearing, thereby increasing the service life of the pressure bearing and preventing the storage barrel from tilting.

[0013] Optionally, a hole is opened on the side surface of the funnel, and a cleaning plate is provided at the hole on the side surface of the funnel. One side of the cleaning plate is hinged to the funnel, and a clamping structure is provided on the other side of the hinge of the cleaning plate to fix the cleaning plate and the funnel.

[0014] By adopting the above technical solution, after the injection molding machine stops working, the cleaning plate can be opened to clean the residual materials in the funnel and the storage barrel, so as to prevent the raw materials from sticking and agglomerating when placed in the storage barrel for a long time, thereby reducing the efficiency of the injection molding machine.

[0015] Optionally, the clamping structure includes a latch and a lug, the lug is fixed on the opposite side of the hinged funnel of the cleaning plate, a sliding pin is fixedly provided on the funnel, the latch penetrates into the sliding pin and is slidably connected to the sliding pin, and the latch is inserted into the lug.

[0016] By adopting the above technical solution, when the injection molding machine is working, the pin is inserted into the hanging ear to seal the funnel. When the funnel and the storage barrel need to be cleaned, the pin is slid out of the hanging ear to open the cleaning plate, and the operator cleans the raw materials in the funnel and the storage barrel.

[0017] Optionally, an annular shaft cover plate is provided on the inner wall of the storage barrel, and the shaft cover plate covers the pressure bearing.

[0018] By adopting the above technical solution, the cover shaft plate separates the pressure bearing from the raw material, preventing the raw material from sticking to the pressure bearing and causing the pressure bearing to malfunction.

[0019] Optionally, a cover plate is sealed and connected above the storage barrel, the cover plate is rotatably connected to the feed pipe, a vent hole is opened above the cover plate, and a filter net for filtering dry air is arranged in the vent hole.

[0020] By adopting the above technical solution, the air is filtered through the filter, reducing impurities entering the storage barrel, thereby making the quality of products manufactured by the injection molding machine higher. At the same time, the filter dries the air, thereby reducing the humidity in the storage barrel and making it less likely for the raw materials to stick.

[0021] The utility model also provides an injection molding machine, comprising the injection molding machine feeding mechanism.

[0022] By adopting the above technical solution, the storage barrel rotates to make the stirring plate stir the internal material, thereby preventing the raw materials from being blocked in the storage barrel and causing the efficiency of the injection molding machine to be reduced.

[0023] In summary, this application has the following technical effects:

[0024] 1. A motor is provided to drive the storage barrel to rotate so as to stir the raw materials inside the storage barrel;

[0025] 2. The cleaning plate is set to facilitate the cleaning of raw materials remaining in the hopper and storage barrel;

[0026] 3. Dry and filter the air entering the storage barrel by setting a filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is the overall structure diagram of this application;

[0028] Figure 2 It is a cross-sectional view of the interior of the feeding mechanism of the present application;

[0029] Figure 3 This is a partial structural diagram of the cleaning plate in this application

[0030] Figure 4 It is a top view of the feeding structure of this application.

[0031] In the figure, 1, funnel; 11, pressure bearing; 12, cleaning plate; 121, hanging ear; 122, latch; 123, sliding pin; 2, storage barrel; 13, cleaning port; 21, stirring plate; 22, cover shaft plate; 23, gear; 3, cover plate; 31, filter screen; 32, material receiving pipe; 321, feed bearing; 33, vent; 4, support frame; 41, barrel stabilizing bearing; 5, motor; 51, gear ring; 6, feed pipe; 7, injection molding machine body. DETAILED DESCRIPTION

[0032] The present application is further described in detail below in conjunction with the accompanying drawings.

[0033] Reference Figure 1A feeding mechanism of an injection molding machine and an injection molding machine, comprising an injection molding machine body 7, a funnel 1 is installed at the feeding port of the injection molding machine body 7, a storage barrel 2 is rotatably connected above the funnel 1, a feeding pipe 6 is connected to the top of the storage barrel, a support frame 4 is arranged outside the storage barrel 2, the support frame 4 is fixedly connected to the injection molding machine body 7, a motor 5 is arranged on the support frame 4, and the motor 5 drives the storage barrel 2 to rotate. When the injection molding machine is working, the feeding pipe 6 injects the injection molding raw material into the storage barrel 2, and the motor 5 drives the storage barrel 2 to rotate so that the raw material in the storage barrel 2 is stirred to prevent the raw material in the storage barrel 2 from accumulating and blocking the feeding port of the injection molding machine, thereby affecting the working efficiency of the injection molding machine.

[0034] Figure 2 and Figure 3 The smaller end of the funnel 1 is connected to the feed port of the injection molding machine body 7, a clearing port 13 is provided on the side wall of the funnel 1, a clearing plate 12 is provided on the outside of the clearing port 13, the size of the clearing plate 12 is the same as the size of the clearing port 13, the clearing plate 12 is connected to the side wall of the funnel 1 through a hinge on the lower side, a hanging ear 121 with a plug hole is provided on the cleaning plate 12 away from the hinge connection, the hanging ear 121 is located on the outside of the cleaning plate 12, a sliding pin 123 fixed to the outside of the funnel 1 is provided near the hanging ear 121, the sliding pin 123 is slidably connected with a latch 122, and the latch 122 is inserted into the hanging ear 121. After the injection molding machine stops working, there are residual raw materials inside the funnel 1 and the storage barrel 2. The operator needs to clean up the residual raw materials to prevent the raw materials from accumulating in the funnel 1 and the storage barrel 2 for a long time, causing the raw materials to stick to the funnel 1 and the storage barrel 2, or stick to the funnel 1 and the storage barrel 2 to block the feed port. At this time, slide the pin 122 out of the hanging ear 121, open the cleaning plate 12 to clean the inside of the funnel 1 and the storage barrel 2, and after cleaning, just close the cleaning plate 12 and slide the pin 122 into the hanging ear 121.

[0035] A pressure bearing 11 is provided between the funnel 1 and the storage barrel 2. The funnel 1 and the storage barrel 2 are rotatably connected through the pressure bearing 11. The lower surface of the storage barrel 2 is grooved and communicated with the funnel 1. A ring-shaped cover shaft plate 22 is provided at the storage barrel 2 where the pressure bearing 11 is connected. The cover shaft plate 22 covers the pressure bearing 11 to prevent the injection molding material from entering the pressure bearing 11 and causing the pressure bearing 11 to malfunction. A plurality of stirring plates 21 are fixedly provided on the inner wall of the storage barrel 2. The stirring plates 21 are vertically arranged and perpendicular to the inner wall of the storage barrel 2. The plurality of stirring plates 21 are distributed in a circular array with the axis of the stirring barrel as the axis. When the storage barrel 2 rotates, the stirring plates 21 can stir the raw materials inside the stirring barrel to a greater extent, thereby reducing the probability of blockage of the raw materials in the storage barrel 2.

[0036] The support frame 4 is fixedly connected above the injection molding machine body 7. The support frame 4 is provided with a barrel-stabilizing bearing 41. The support frame 4 is rotatably connected to the storage barrel 2 through the barrel-stabilizing bearing 41. The barrel-stabilizing bearing 41 is fixedly connected to the outside of the storage barrel 2. The motor 5 is fixedly arranged above the support frame 4. The output shaft of the motor 5 is arranged vertically. A gear ring 51 is arranged above the output shaft of the motor 5. A circle of gear teeth 23 is arranged on the outside of the storage barrel 2 to mesh with the gear ring 51. The rotation of the motor 5 drives the gear ring 51 to rotate, and the rotation of the gear ring 51 drives the storage barrel 2 to rotate, thereby stirring the raw materials in the storage barrel 2. The support frame 4 is rotatably connected to the storage barrel 2 through the barrel-stabilizing bearing 41 to prevent the storage barrel 2 from tilting, so that the storage barrel 2 can only rotate along the axial direction.

[0037] refer to Figure 2 and Figure 4 A cover plate 3 is fixedly arranged above the storage barrel 2, and a receiving pipe 32 is vertically connected to the center of the cover plate 3. The receiving pipe 32 is connected to the inside of the storage barrel 2 through the cover plate 3, and the feed pipe 6 extends into the receiving pipe 32. A feed bearing 321 is arranged inside the receiving pipe 32. The receiving pipe 32 is rotatably connected to the feed pipe 6 through the feed bearing 321. A plurality of vents 33 distributed in a circular array with the axis of the cover plate 3 as the center are provided on the cover plate 3. A filter screen 31 for filtering is arranged in the vents 33, and an activated carbon layer for absorbing water vapor is attached to the filter screen. When the injection molding machine is in operation, the air outside the injection molding machine enters the storage barrel 2 through the filter screen 31. The filter screen 31 filters the dust in the air to reduce the impurities in the raw materials. At the same time, the activated carbon in the filter screen 31 absorbs the water vapor in the air, thereby drying the air, and then drying the raw materials, reducing the probability of raw materials accumulating and blocking the feed port.

[0038] The specific implementation principle of the present application is as follows: when the injection molding machine is running, the injection molding raw material enters the storage barrel 2 from the feed pipe 6, and the injection molding raw material enters the injection molding machine body through the feed port of the injection molding machine body 7 along the funnel 1. The feeding speed of the feed pipe 6 is higher than the speed of the injection molding raw material entering the injection molding machine body 7. The raw material is accumulated in the storage barrel 2, and the motor 5 rotates to drive the storage barrel 2 to rotate. The stirring plate 21 stirs the raw material in the storage barrel 2 to prevent the raw material from accumulating and blocking the feed port. The support frame 4 supports the storage barrel 2 to prevent the storage barrel 2 from tilting. The air outside the storage barrel 2 enters the storage barrel 2 through the filter 31. The filter 31 filters the dust and water vapor in the air, making the air entering the storage barrel 2 cleaner and drier, reducing the impurity content in the raw material, and drying the raw material at the same time to reduce the viscosity of the raw material. Compared with the existing injection molding machine, the present injection molding machine stirs the raw material by setting a rotating storage barrel 2 to prevent the raw material from stacking at the feed port, thereby improving the working efficiency of the injection molding machine. After the injection molding machine stops running, the latch 122 is slid out of the hanging ear 121, the cleaning plate 12 is opened, and the raw materials in the funnel 1 and the storage barrel 2 are cleaned to prevent the raw materials from being stored in the funnel 1 and the storage barrel 2 for a long time and sticking to the storage barrel 2, thereby increasing the probability of blockage. Compared with the existing injection molding machine, the injection molding machine is more convenient to clean the raw materials retained in the injection molding machine by setting the cleaning plate 12 at the funnel 1, thereby reducing the probability of raw materials being blocked in the injection molding machine.

[0039] This specific embodiment is merely an explanation of the present application and is not a limitation of the present application. After reading this specification, those skilled in the art may make modifications to the present embodiment without any creative contribution as needed, but such modifications are protected by the patent law as long as they are within the scope of the claims of the present application.

Claims

1. A feeding mechanism for an injection molding machine, characterized in that; The invention comprises a funnel (1), a material storage barrel (2) rotatably connected above the funnel (1), and a support frame (4) located outside the funnel (1) and the material storage barrel (2); the funnel (1) is connected to a material feed port of an injection molding machine; the material storage barrel (2) is communicated with the funnel (1); a plurality of stirring plates (21) are arranged inside the material storage barrel (2); a motor (5) for driving the material storage barrel (2) to rotate is arranged on the support frame (4); and the motor (5) is connected to the material storage barrel (2).

2. The feeding mechanism of an injection molding machine according to claim 1, characterized in that: A gear ring (51) is arranged on the output shaft of the motor (5), a circle of gear teeth (23) is arranged on the outside of the storage barrel (2), and the gear ring (51) meshes with the gear teeth (23).

3. The feeding mechanism of an injection molding machine according to claim 1, characterized in that: A barrel stabilizing bearing (41) is arranged on the outside of the material storage barrel (2), and the material storage barrel (2) is rotatably connected to the support frame (4) via the barrel stabilizing bearing (41).

4. The feeding mechanism of an injection molding machine according to claim 1, characterized in that: A hole is provided on the side surface of the funnel (1), and a cleaning plate (12) is provided at the hole on the side surface of the funnel (1). One side of the cleaning plate (12) is hinged to the funnel (1), and a clamping structure is provided on the other side of the hinge of the cleaning plate (12) to fix the cleaning plate (12) and the funnel (1).

5. The feeding mechanism of an injection molding machine according to claim 4, characterized in that: The clamping structure comprises a latch (122) and a hanging ear (121), wherein the hanging ear (121) is fixed to the side of the cleaning plate (12) opposite to the hinged funnel (1), a sliding pin (123) is fixedly arranged on the funnel (1), the latch (122) penetrates into the sliding pin (123) and is slidably connected with the sliding pin (123), and the latch (122) is inserted into the hanging ear (121).

6. The feeding mechanism of an injection molding machine according to claim 1, characterized in that: The inner wall of the material storage barrel (2) is provided with an annular shaft cover plate (22), and the shaft cover plate (22) covers the pressure bearing (11).

7. The feeding mechanism of an injection molding machine according to claim 1, characterized in that: A cover plate (3) is sealedly connected to the top of the storage barrel (2), and the top of the cover plate (3) is rotatably connected to the feed pipe (6). A vent hole (33) is provided on the top of the cover plate (3), and a filter screen (31) for filtering dry air is arranged in the vent hole (33).

8. An injection molding machine, characterized in that: It comprises the injection molding machine feeding mechanism described in any one of claims 1-7.

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