Multi-cavity synchronous injection molding device of vertical injection molding machine

Abstract

The multi-cavity synchronous injection molding device comprises a plurality of storage bins which are arranged in parallel, the lower end of each storage bin is connected with an injection molding bin, the storage bins are transversely arranged in parallel, the rear ends of the storage bins are provided with back boxes in a protruding mode, the rear end faces of the back boxes are open, and the injection molding bin is connected with the injection molding bin. Arc-shaped grooves extending inwards from openings are formed in two side plates of the back boxes, a transmission shaft is embedded through the arc-shaped grooves of the back boxes, a plurality of discharging wheels are installed on the transmission shaft, the number of the discharging wheels is the same as that of the back boxes, at least one discharging wheel is correspondingly arranged in each back box, through holes penetrating into a cavity of the storage bin are formed in the front end faces of the back boxes, and the back boxes are arranged in the through holes. One end of the discharging wheel extends into the cavity of the storage bin through the through hole, and a cover body is movably installed on an opening in the rear end of the back box. The storage bin is obliquely arranged on one side of the upper end of the injection molding bin, the storage bin and the injection molding bin are connected with the same cavity, and the air cylinder is erected at the upper end of the injection molding bin, so that discharging is smoother while disassembly and repair are facilitated, and the workload of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machine equipment, in particular to a multi-cavity synchronous injection molding device for a vertical injection molding machine. Background Art

[0002] Vertical injection molding machine is a kind of plastic molding processing equipment. Its main feature is that the mold clamping part and the injection part are in an upper and lower position relationship.

[0003] Vertical injection molding machines are usually used for rapid processing and production of smaller parts, and have the advantage of occupying a smaller area than horizontal injection molding machines. However, when producing smaller parts, the injection speed of vertical injection molding machines is more stringent. In order to increase production, manufacturers usually purchase multiple injection molding machines at the same time, which increases the cost investment. At the same time, the staff needs to frequently run between multiple injection molding machines when taking and adding materials, which increases the workload of the staff. In addition, since the injection molding materials are mostly granular materials during the unloading process of vertical injection molding machines, unloading difficulties often occur, which needs to be improved and solved. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a multi-cavity synchronous injection molding device for a vertical injection molding machine, which can discharge materials simultaneously, is easy to operate, simple to maintain and reduces the problem of material blockage.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a vertical injection molding machine multi-cavity synchronous injection molding device, including a plurality of storage bins arranged in parallel, each of the lower ends of the storage bins is connected to the injection bin, the storage bins are arranged in parallel horizontally, and the rear ends of the plurality of storage bins are protruding with a back box with an opening on the rear end face, and the two side plates of the back box are provided with an arc groove extending inward from the opening, and a transmission shaft is embedded in the arc groove of the plurality of back boxes, and a plurality of unloading wheels are installed on the transmission shaft, and the number of unloading wheels is the same as the number of back boxes, and at least one unloading wheel is correspondingly provided in each back box, and a through hole is provided on the front end face of the back box that penetrates into the cavity of the storage bin, and one end of the unloading wheel extends into the cavity of the storage bin through the through hole, and a cover body is movably installed at the rear end opening of the back box; the storage bin is tilted and arranged on one side of the upper end of the injection bin, and the storage bin and the injection bin are connected to the same cavity, and a cylinder is mounted on the upper end of the injection bin.

[0006] Preferably, the storage bin is a rectangular cavity structure with an open upper end and a hollow interior. The storage bin is inclined and connected to the cavity and is arranged on one side of the upper end of the injection molding bin.

[0007] Preferably, the rear end of the back box is opened, and the two side plates of the back box are provided with arc-shaped grooves extending from the rear end opening of the back box to the middle of the two side plates. A cover body that can be opened and closed is installed at the rear end opening of the back box, and a fixing plate is extended from the lower end of the cover body. The fixing plate and the back box are fixedly connected with bolts, and clips are extended inward on both sides of the cover body. The outer ends of the clips are arranged in an arc shape, and a circular hole for fixing the transmission shaft is formed between the clip and the arc groove.

[0008] Preferably, the transmission shaft is horizontally mounted in the arc-shaped grooves of multiple back boxes, and multiple positioning parts are fixedly provided on the transmission shaft. Each section of the transmission shaft placed in the back box is fixed with a positioning part, and a discharge wheel is fixed through the positioning part. A positioning hole is opened in the middle of the discharge wheel, and the positioning hole is embedded in the positioning part. The discharge wheel is a circular structure with a thread on the outer surface, and one end of the transmission shaft is coaxially connected to the motor.

[0009] Preferably, the cylinder is invertedly mounted on the upper end of the injection molding chamber, the cylinder shaft is extended downward, the cylinder shaft extends into the injection molding chamber, and a pressure block is provided at the lower end of the cylinder shaft.

[0010] The beneficial effect of the present invention is that multiple storage bins connected in parallel laterally are arranged so that they can work simultaneously, and a back box is provided at the rear end of each storage bin and a transmission shaft with a discharge wheel is embedded through the back box, one end of the discharge wheel extends into the storage bin through a through hole between the back box and the storage bin, and when the storage bin is clogged by accumulation of materials, the discharge wheel is rotated by starting the transmission shaft, and the discharge wheel loosens the clogged material through the surface thread and performs friction to propel the material down into the injection molding bin.

[0011] The back box is equipped with a cover at the rear end, and a positioning piece is fixed on the drive shaft. The unloading wheel is fixed by the positioning piece, which makes it easy to disassemble and assemble, and convenient for maintenance. If one of the unloading wheels is damaged, the drive shaft can be removed and the individual unloading wheel can be removed from the positioning piece for repair or replacement, which saves resources and avoids waste. A transparent panel is installed at the front of the storage bin to help staff observe the remaining material in the storage bin and add it. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic structural diagram of the utility model from another angle;

[0014] Figure 3 This is a schematic diagram of the drive shaft installation structure of the utility model;

[0015] Figure 4 This is a schematic diagram of the transmission shaft structure of the utility model;

[0016] Figure 5This is a schematic diagram of the structure of the blanking wheel of the utility model;

[0017] Figure 6 It is a side sectional view of the present utility model.

[0018] Notes in the figure

[0019] 1. Storage bin; 101. Through hole; 2. Back box; 201. Arc groove; 202. Cover; 203. Clamp; 204. Fixing plate; 3. Injection molding bin; 4. Drive shaft; 401. Positioning piece; 402. Motor; 5. Unloading wheel; 501. Positioning hole; 6. Cylinder; 601. Press block. DETAILED DESCRIPTION

[0020] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Combine Figure 1-6 The utility model is a multi-cavity synchronous injection molding device for a vertical injection molding machine, comprising a plurality of storage bins 1 arranged in parallel, each of the lower ends of the storage bins 1 being connected to an injection molding bin 3, the storage bins 1 being arranged in parallel transversely, the rear ends of the plurality of storage bins 1 being protruded with a back box 2 with an opening on the rear end face, both side plates of the back box 2 being provided with an arc groove 201 extending inward from the opening, a transmission shaft 4 being embedded through the arc grooves 201 of the plurality of back boxes 2, and a plurality of Unloading wheel 5, the number of unloading wheels 5 is the same as the number of back boxes 2, and each back box 2 is correspondingly provided with at least one unloading wheel 5. A through hole 101 is opened on the front end surface of the back box 2, which penetrates into the cavity of the storage bin 1. One end of the unloading wheel 5 extends into the cavity of the storage bin 1 through the through hole 101, and a cover body 202 is movably installed at the rear end opening of the back box 2; the storage bin 1 is tilted and arranged on one side of the upper end of the injection molding bin 3, and the storage bin 1 is connected to the same cavity of the injection molding bin 3, and a cylinder 6 is mounted on the upper end of the injection molding bin 3.

[0022] Furthermore, the storage bin 1 is a rectangular cavity structure with an open upper end and a hollow interior. The storage bin 1 is inclined and connected to the cavity and is arranged on one side of the upper end of the injection molding bin 3 .

[0023] Furthermore, the rear end of the back box 2 is opened, and the two side panels of the back box 2 are provided with arc-shaped grooves 201 extending from the rear end opening of the back box 2 to the middle of the two side panels. A cover body 202 that can be opened and closed is installed at the rear end opening of the back box 2. A fixing plate 204 extends from the lower end of the cover body 202, and the fixing plate 204 is fixedly connected to the back box 2 with bolts. Clips 203 extend inward on both sides of the cover body 202, and the outer ends of the clips 203 are arranged in an arc shape. A circular hole for fixing the transmission shaft 4 is formed between the clip 203 and the arc-shaped groove 201.

[0024] Furthermore, the transmission shaft 4 is horizontally mounted in the arc-shaped grooves 201 of multiple back boxes 2, and multiple positioning parts 401 are fixedly provided on the transmission shaft 4. Each section of the transmission shaft 4 placed in the back box 2 is fixedly provided with a positioning part 401, and a discharge wheel 5 is fixed through the positioning part 401. A positioning hole 501 is opened in the middle of the discharge wheel 5, and the positioning hole 501 is embedded in correspondence with the positioning part 401. The discharge wheel 5 is a circular structure with a thread on the outer surface, and one end of the transmission shaft 4 is coaxially connected to the motor 402.

[0025] Furthermore, the cylinder 6 is invertedly mounted on the upper end of the injection molding chamber 3, the axis of the cylinder 6 is extended downward, the axis of the cylinder 6 extends into the injection molding chamber 3, and a pressure block 601 is provided at the lower end of the axis of the cylinder 6.

[0026] By setting up multiple transversely parallel storage bins 1, they can work simultaneously, and a back box 2 is set at the rear end of each storage bin 1, and a transmission shaft 4 with a discharge wheel 5 is embedded through the back box 2. One end of the discharge wheel 5 extends into the storage bin 1 through the through hole 101 between the back box 2 and the storage bin 1. When the material accumulation in the storage bin 1 causes blockage, the discharge wheel 5 is rotated by starting the transmission shaft 4. The discharge wheel 5 loosens the blocked material through the surface thread and performs friction to help the material fall into the injection molding bin 3.

[0027] In addition, the rear end of the back box 2 is provided with a cover body 202, and a positioning part 401 is fixed on the transmission shaft 4. The unloading wheel 5 is embedded and fixed by the positioning part 401, which is convenient for disassembly and assembly and easy for maintenance. If one of the unloading wheels 5 is damaged, the transmission shaft 4 can be removed and the individual unloading wheel 5 can be removed from the positioning part 401 for repair or replacement, which saves resources and avoids waste.

[0028] A transparent plate is provided at the front of the storage bin 1 to help the staff observe the remaining material in the storage bin 1 and add it.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-cavity synchronous injection molding device for a vertical injection molding machine, comprising a plurality of storage bins (1) arranged in parallel, each of the storage bins (1) being connected to an injection molding bin (3) at its lower end, characterized in that: The storage bins (1) are arranged in parallel transversely, and the rear ends of the plurality of storage bins (1) are all protruding with back boxes (2) with rear end openings, and both side plates of the back boxes (2) are provided with arc grooves (201) extending inward from the openings, and a transmission shaft (4) is embedded through the arc grooves (201) of the plurality of back boxes (2), and a plurality of unloading wheels (5) are installed on the transmission shaft (4), and the number of unloading wheels (5) is the same as the number of back boxes (2), and each back box (2) is provided with a corresponding At least one unloading wheel (5) is provided, a through hole (101) is provided on the front end surface of the back box (2) and penetrates into the cavity of the storage bin (1), one end of the unloading wheel (5) extends into the cavity of the storage bin (1) through the through hole (101), and a cover (202) is movably installed at the rear end opening of the back box (2); the storage bin (1) is tiltedly arranged on one side of the upper end of the injection molding bin (3), the storage bin (1) and the injection molding bin (3) are connected to the same cavity, and a cylinder (6) is mounted on the upper end of the injection molding bin (3).

2. A vertical injection molding machine multi-cavity synchronous injection molding device according to claim 1, characterized in that: The material storage bin (1) is a rectangular cavity structure with an open upper end and a hollow interior. The material storage bin (1) is inclined and connected to the cavity and is arranged on one side of the upper end of the injection molding bin (3).

3. The multi-cavity synchronous injection molding device of a vertical injection molding machine according to claim 1, characterized in that: The back box (2) is provided with an opening at the rear end, and arc-shaped grooves (201) extending from the rear end opening of the back box (2) to the middle of the two side plates are provided on the two side plates. A cover (202) that can be opened and closed is installed at the rear end opening of the back box (2). A fixing plate (204) extends from the lower end of the cover (202). The fixing plate (204) and the back box (2) are fixedly connected by bolts. Clamps (203) extend inwardly from both sides of the cover (202). The outer ends of the clamps (203) are provided with an arc shape, and a circular hole for fixing the transmission shaft (4) is formed between the clamps (203) and the arc-shaped grooves (201).

4. The multi-cavity synchronous injection molding device of a vertical injection molding machine according to claim 1, characterized in that: The transmission shaft (4) is horizontally mounted in the arc-shaped grooves (201) of the plurality of back boxes (2). A plurality of positioning members (401) are fixedly arranged on the transmission shaft (4). Each section of the transmission shaft (4) placed in the back box (2) is fixedly provided with a positioning member (401). A discharge wheel (5) is fixed through the positioning member (401). A positioning hole (501) is opened in the middle of the discharge wheel (5). The positioning hole (501) is embedded in correspondence with the positioning member (401). The discharge wheel (5) is a circular structure with a threaded outer surface. One end of the transmission shaft (4) is coaxially connected to a motor (402).

5. The multi-cavity synchronous injection molding device of a vertical injection molding machine according to claim 1, characterized in that: The cylinder (6) is invertedly mounted on the upper end of the injection molding chamber (3), the cylinder (6) shaft is extended downward, the cylinder (6) shaft extends into the injection molding chamber (3), and a pressure block (601) is provided at the lower end of the cylinder (6) shaft.

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