Full-automatic feeding system of injection molding machine

Abstract

The full-automatic feeding system of the injection molding machine comprises a drying cylinder, a mounting block is fixedly mounted on the surface of one side of the drying cylinder, a driving motor is fixedly mounted at the top of the mounting block, an output shaft of the driving motor is in key connection with a transmission rod, and one end of the transmission rod penetrates through the drying cylinder and extends into the drying cylinder; the surface of the transmission rod is fixedly sleeved with two sets of connecting rings, the surfaces of the two sets of connecting rings are each provided with two sets of connecting blocks, and one ends of the two sets of connecting blocks located at the same height are fixedly provided with scraping plates. The material in the drying cylinder is continuously raised, so that the material is uniformly mixed with hot air in the drying cylinder, and water vapor contained in the material is evaporated and dried, so that humid air is prevented from entering the injection molding machine, and the material is flapped in the raising process.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molding machine equipment, and specifically relates to a full-automatic feeding system for an injection molding machine. Background Art

[0002] Injection molding machine is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. It is divided into vertical, horizontal and all-electric types. The injection molding machine can heat the plastic and apply high pressure to the molten plastic to make it eject and fill the mold cavity.

[0003] A Chinese patent with publication number CN216329666U discloses an automatic raw material conveying device for an injection molding machine, comprising a base plate, side plates are symmetrically installed on the upper end of the base plate, a positioning plate is fixedly installed between the two side plates, a quantitative mechanism is installed on the upper end of the positioning plate, the lower end of the quantitative mechanism passes through the positioning plate and is connected to the upper surface of the base plate, slide rails are symmetrically arranged on the upper end of the base plate, a material discharge component is slidably installed on the slide rails, and a driving cylinder for driving the material discharge component to perform linear reciprocating motion is also arranged on the upper end of the base plate. The utility model controls the weight of the material added by the quantitative mechanism, which is conducive to standardized production and batch production, and realizes automatic feeding by the material discharge component, which is conducive to continuous transportation and improves the overall transportation efficiency.

[0004] The above-mentioned automatic raw material conveying device for the injection molding machine cannot dry the raw materials during the conveying process, which will cause moist raw materials to enter the injection molding machine. Under the action of high temperature, the moisture vaporizes and fills the molten raw materials, resulting in cavities in the side walls of the molded products. Utility Model Content

[0005] The utility model aims to provide a fully automatic feeding system for an injection molding machine, so as to solve the technical defect that the conveying equipment in the existing injection molding field easily leads to cavities in the product.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The invention relates to a fully automatic feeding system for an injection molding machine, comprising a drying cylinder, a mounting block is fixedly installed on the surface of one side of the drying cylinder, a driving motor is fixedly installed on the top of the mounting block, a transmission rod is keyed to the output shaft of the driving motor, one end of the transmission rod passes through the drying cylinder and extends to the inside of the drying cylinder, two groups of connecting rings are fixedly sleeved on the surface of the transmission rod, two groups of connecting blocks are installed on the surfaces of the two groups of connecting rings, a scraper is fixedly installed on one end of the two groups of connecting blocks at the same height, a plurality of groups of holes are provided on the surface of the scraper, a mounting plate is fixedly installed on the surface of one side of the drying cylinder and located above the mounting block, a dryer is fixedly installed on the top surface of the mounting plate, an air outlet end of the dryer is connected to the inner cavity of the drying cylinder, a feeding shell is connected to the surface of one side of the drying cylinder, a discharge port is provided at the bottom of one side of the drying cylinder, a guide shell is fixedly connected to the surface of the drying cylinder and at a position corresponding to the discharge port, and a feeding component for automatically conveying the processed materials to the hopper of the injection molding machine is provided below the guide shell.

[0008] As a preferred embodiment of the utility model, the feeding assembly includes a screw feeder arranged below the drying drum, a feed hopper is fixedly installed at the feeding end of the screw feeder, a guide shell is inserted into the inner cavity of the feed hopper, a discharge hopper is fixedly installed at the discharge end of the screw feeder, and a fixing assembly for fixing the drying drum and the screw feeder together is provided on the surface of the screw feeder.

[0009] As a preferred solution of the utility model, two groups of hanging ears are installed on the surface of the spiral feeder, and the hanging ears are fixedly connected with a connecting plate by a first bolt. A support rod is fixedly installed on the surface of the connecting plate, and the other end of the support rod is welded to the surface of the drying cylinder. A connecting plate is welded on the surface of the drying cylinder and on both sides of the guide shell. The surface of the connecting plate is slidably connected with a second bolt, and one end of the second bolt passes through the connecting plate and is threadedly connected to the surface of the feed hopper.

[0010] As a further solution of the utility model, a blocking plate is arranged on the inner wall of one side of the feed shell and near the opening, and the blocking plate is arranged at an angle.

[0011] As a further solution of the utility model, a ventilation hole is provided on the top surface of the discharge end of the screw feeder, and a mounting seat is fixedly installed on the bottom surface of the screw feeder.

[0012] As a further solution of the utility model, the drying cylinder is arranged to be inclined toward the side having the discharge port.

[0013] Compared with the prior art, the fully automatic feeding system for an injection molding machine of the utility model has the following beneficial effects:

[0014] 1. In the utility model, the output shaft of the driving motor drives the transmission rod to rotate, and then the scraper rotates along the inner wall of the drying cylinder, continuously lifting the material in the drying cylinder, so that the material and the hot air in the drying cylinder are evenly mixed, and the water vapor contained in the material is evaporated and dried, thereby preventing humid air from entering the injection molding machine, and beating the material during the lifting process to prevent the material from becoming compacted.

[0015] 2. When the utility model is used, the material automatically flows to one side of the discharge port under the influence of the vibration generated by the driving motor and gravity, and flows to the inside of the screw feeder through the guide shell, thereby improving production efficiency.

[0016] 3. In the utility model, the hot air in the drying cylinder flows into the screw feeder through the guide shell. When the screw feeder conveys the material, the material is further dried to prevent the material from contacting the inner wall of the screw feeder during the conveying process to prevent the cold and hot contact between the two from generating condensed water, thereby ensuring the drying effect of the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for use in the embodiment will be briefly introduced below. Obviously, the drawings described below are only examples of the embodiment of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the drying drum in the embodiment of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the spiral feeder in the embodiment of the utility model.

[0021] Reference numerals:

[0022] 100, discharge hopper; 101, screw feeder; 102, air vent; 103, first bolt; 104, connecting piece; 105, support rod; 106, mounting seat; 107, hanging ear; 108, feed hopper; 200, drying cylinder; 201, feed shell; 202, dryer; 203, mounting plate; 204, drive motor; 205, mounting block; 206, guide shell; 207, connecting plate; 208, second bolt; 209, blocking plate; 210, discharge port; 300, hole; 301, connecting block; 302, connecting ring; 303, transmission rod; 304, scraper. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model more clear, the embodiment of the utility model is further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the embodiments of the present invention.

[0025] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0026] See attached Figure 1-3 As shown, the embodiment of the utility model is a fully automatic feeding system for an injection molding machine, including a drying cylinder 200, a mounting block 205 is fixedly installed on one side surface of the drying cylinder 200, a driving motor 204 is fixedly installed on the top of the mounting block 205, an output shaft key of the driving motor 204 is connected with a transmission rod 303, one end of the transmission rod 303 passes through the drying cylinder 200 and extends to the inside of the drying cylinder 200, two groups of connecting rings 302 are fixedly sleeved on the surface of the transmission rod 303, two groups of connecting blocks 301 are installed on the surfaces of the two groups of connecting rings 302, and a scraper 304 is fixedly installed on one end of the two groups of connecting blocks 301 at the same height, and the surface of the scraper 304 A plurality of groups of holes 300 are provided, a mounting plate 203 is fixedly installed on one side surface of the drying cylinder 200 and located above the mounting block 205, a dryer 202 is fixedly installed on the top surface of the mounting plate 203, an air outlet end of the dryer 202 is connected to the inner cavity of the drying cylinder 200, a feed shell 201 is connected to one side surface of the drying cylinder 200, a discharge port 210 is provided at the bottom of one side of the drying cylinder 200, a guide shell 206 is fixedly connected to the surface of the drying cylinder 200 and at a position corresponding to the discharge port 210, a feeding assembly for automatically conveying processed materials to the hopper of the injection molding machine is provided below the guide shell 206,

[0027] The drive motor 204 is started, and the output shaft of the drive motor 204 drives the transmission rod 303 to rotate, and then the scraper 304 rotates along the inner wall of the drying cylinder 200, continuously lifting the material in the drying cylinder 200, so that the material and the hot air in the drying cylinder 200 are evenly mixed, and the water vapor contained in the material is evaporated and dried, thereby preventing humid air from entering the injection molding machine, and beating the material during the lifting process to prevent the material from becoming compacted, and holes 300 are opened on the surface of the scraper 304 to facilitate hot air to pass through the holes 300 to dry the material.

[0028] Furthermore, the feeding assembly includes a screw feeder 101 arranged below the drying cylinder 200, a feed hopper 108 is fixedly installed at the feeding end of the screw feeder 101, a guide shell 206 is inserted into the inner cavity of the feed hopper 108, a discharge hopper 100 is fixedly installed at the discharge end of the screw feeder 101, and a fixing assembly for fixing the drying cylinder 200 and the screw feeder 101 together is provided on the surface of the screw feeder 101. The screw feeder 101 can accurately control the amount of feeding and prevent the material from flowing back while conveying the material.

[0029] Two sets of hanging ears 107 are installed on the surface of the screw feeder 101, and the hanging ears 107 are fixedly connected to the connecting plate 104 by the first bolt 103. The surface of the connecting plate 104 is fixedly installed with a support rod 105, and the support rod 105 is welded to the surface of the drying cylinder 200. The surface of the drying cylinder 200 and the two sides of the guide shell 206 are welded with connecting plates 207, and the surface of the connecting plate 207 is slidably connected with a second bolt 208. One end of the second bolt 208 passes through the connecting plate 207 and is threadedly connected to the surface of the feed hopper 108.

[0030] When the screw feeder 101 fails after long-term use, the first bolt 103 and the second bolt 208 are removed respectively, and the drying drum 200 is moved upward to separate the two, so that the staff can repair the screw feeder 101 easily.

[0031] A blocking plate 209 is arranged on the inner wall of one side of the feed shell 201 and near the mouth. The blocking plate 209 is arranged at an angle to prevent the material from bursting out from the mouth of the feed shell 201 under the action of the scraper 304. The blocking plate 209 is arranged at an angle to limit the area of ​​the mouth of the feed shell 201, thereby controlling the amount of material entering the drying cylinder 200 within the same time period, thereby ensuring the drying effect of the material.

[0032] An air hole 102 is provided on the top surface of the discharge end of the screw feeder 101 , so that hot air can be emitted from the air hole 102 , and a mounting seat 106 is fixedly mounted on the bottom surface of the screw feeder 101 .

[0033] The drying drum 200 is tilted toward the side with the discharge port 210. Under the influence of the vibration generated by the driving motor 204 and gravity, the material automatically flows toward the side of the discharge port 210 and flows into the interior of the screw feeder 101 through the guide shell 206, thereby improving production efficiency.

[0034] When the embodiment of the utility model is used, the dryer 202 is first started to preheat the drying drum 200. When the internal temperature of the drying drum 200 reaches a certain temperature, the material is added to the inside of the drying drum 200 through the guide shell 206, and then the driving motor 204 and the screw feeder 101 are started. The output shaft of the driving motor 204 drives the transmission rod 303 to rotate, and then the scraper 304 rotates along the inner wall of the drying drum 200, and the material in the drying drum 200 is continuously lifted, so that the material and the hot air in the drying drum 200 are evenly mixed, the water vapor contained in the material is evaporated and dried, and the material is patted during the lifting process. To prevent the material from becoming compacted, the material flows to one side of the discharge port 210 under the influence of the vibration and gravity generated by the driving motor 204, flows to the inside of the screw feeder 101 through the guide shell 206, and is transported to the silo of the injection molding machine through the screw feeder 101. The hot air in the drying cylinder 200 flows to the screw feeder 101 through the guide shell 206. When the screw feeder 101 transports the material, the material is further dried to prevent the material from contacting the inner wall of the screw feeder 101 during the transportation process, and condensed water is generated due to the hot and cold contact between the two. Finally, the hot air is emitted from the air vents 102.

[0035] The above shows and describes the basic principles of the present invention. The above are only preferred embodiments of the present invention and are not intended to limit the present invention. The above embodiments and descriptions in the specification are only intended to illustrate the principles of the present invention. Without departing from the scope of the present invention, any modifications, equivalent substitutions and improvements made within the spirit and scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A fully automatic feeding system for an injection molding machine, comprising a drying drum (200), characterized in that: A mounting block (205) is fixedly mounted on the surface of one side of the drying cylinder (200); a driving motor (204) is fixedly mounted on the top of the mounting block (205); an output shaft of the driving motor (204) is keyedly connected to a transmission rod (303); one end of the transmission rod (303) passes through the drying cylinder (200) and extends into the interior of the drying cylinder (200); two groups of connecting rings (302) are fixedly sleeved on the surface of the transmission rod (303); two groups of connecting blocks (301) are mounted on the surfaces of the two groups of connecting rings (302); a scraper (304) is fixedly mounted on one end of the two groups of connecting blocks (301) at the same height; a plurality of groups of holes (300) are provided on the surface of the scraper (304); A mounting plate (203) is fixedly mounted on one side surface of the drying cylinder (200) and located above the mounting block (205); a dryer (202) is fixedly mounted on the top surface of the mounting plate (203); an air outlet of the dryer (202) is connected to the inner cavity of the drying cylinder (200); a feed shell (201) is connected to one side surface of the drying cylinder (200); a discharge port (210) is provided at the bottom of one side of the drying cylinder (200); a guide shell (206) is fixedly connected to the surface of the drying cylinder (200) and at a position corresponding to the discharge port (210); a feeding assembly for automatically conveying processed materials to the hopper of an injection molding machine is provided below the guide shell (206).

2. The fully automatic feeding system for an injection molding machine according to claim 1, characterized in that: The feeding assembly comprises a screw feeder (101) arranged below the drying cylinder (200); a feed hopper (108) is fixedly mounted on the feeding end of the screw feeder (101); the guide housing (206) is plugged into the inner cavity of the feed hopper (108); a discharge hopper (100) is fixedly mounted on the discharge end of the screw feeder (101); and a fixing assembly for fixing the drying cylinder (200) and the screw feeder (101) together is provided on the surface of the screw feeder (101).

3. The fully automatic feeding system for an injection molding machine according to claim 2, characterized in that: Two groups of hanging ears (107) are installed on the surface of the screw feeder (101), and the hanging ears (107) are fixedly connected to a connecting plate (104) via a first bolt (103). A support rod (105) is fixedly installed on the surface of the connecting plate (104), and the other end of the support rod (105) is welded to the surface of the drying cylinder (200). A connecting plate (207) is welded on the surface of the drying cylinder (200) and on both sides of the guide shell (206), and a second bolt (208) is slidably connected to the surface of the connecting plate (207), and one end of the second bolt (208) passes through the connecting plate (207) and is threadedly connected to the surface of the feed hopper (108).

4. The fully automatic feeding system for an injection molding machine according to claim 3, characterized in that: A blocking plate (209) is arranged on one inner wall of the feed shell (201) and close to the opening, and the blocking plate (209) is arranged in an inclined manner.

5. The fully automatic feeding system for an injection molding machine according to claim 4, characterized in that: A vent hole (102) is provided on the top surface of the discharge end of the screw feeder (101), and a mounting seat (106) is fixedly mounted on the bottom surface of the screw feeder (101).

6. The fully automatic feeding system for an injection molding machine according to claim 5, characterized in that: The drying cylinder (200) is arranged to be inclined toward a side having a material discharge port (210).

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