Feeding control device for injection molding machine

Abstract

The utility model relates to the technical field of feeding control, in particular to a feeding control device for an injection molding machine, which comprises an injection molding machine body, and one side of the top of the injection molding machine body is fixedly connected with a feeding pipe. Compared with the prior art, the device has the advantages that added master batch particles are uniformly dispersed and input into the two arc guide plates through the dispersing assembly, then materials entering the space between the grinding roller and the arc guide plates can be ground through rotation of the grinding roller, caked particles are cut off, the input particles are prevented from being caked, blockage is prevented, the injection molding effect is improved, and the production efficiency is improved. Meanwhile, a plurality of spaces with the same size can be separated between the grinding roller and the arc guide plate through a plurality of separation convex edges, the adding speed of space materials can be controlled by controlling the rotating speed of the grinding roller, and the two dispersing augers can be driven to rotate at the same time by driving a rotating shaft to rotate through a gear motor; and therefore, the materials added into the feeding box are uniformly pushed to the two sides, the added particles are uniformly dispersed, and the material distribution uniformity is improved.

Description

Technical Field

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

[0002] Injection molding machine, also known as injection molding machine or injection machine, is the main molding equipment that uses plastic molding molds to make plastic products of various shapes of 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 ejected and fill the mold cavity.

[0003] At present, injection molding machines are mostly loaded through a hopper, which guides the material into the interior of the injection molding machine. However, the current hopper still has the following problems in use:

[0004] The current hopper only has the effect of converging and guiding, and some plastic particles will clump together. Large particles are not only easy to block, but also prone to uneven and incomplete hot melting, affecting the injection molding effect, and the feeding speed cannot be controlled. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] Therefore, one purpose of the present invention is to provide a feeding control device for an injection molding machine to solve the problems mentioned in the background art and overcome the deficiencies in the prior art.

[0007] In order to achieve the above-mentioned purpose, an embodiment of the present invention provides a feeding control device for an injection molding machine, comprising an injection molding body, wherein one side of the top of the injection molding body is fixedly connected to a feed pipe, the top of the feed pipe is fixedly connected to a gathering bucket, the top of the gathering bucket is fixedly connected to a feeding box, the top of the inner wall of the feeding box is provided with a dispersion component, and both sides of the bottom output port of the dispersion component are fixedly connected to an arc guide plate, and a discharge port is formed between the bottoms of the two arc guide plates, the two arc guide plates are concentrically arranged, and a grinding roller is rotatably connected at the center of the two arc guide plates, and a gap is left between the outer side surface of the grinding roller and the inner wall of the arc guide plate, the outer wall of the grinding roller is fixedly connected to a plurality of dividing ridges, and the plurality of dividing ridges are distributed in a radial annular array around the center of the grinding roller, and the edges of the plurality of dividing ridges contact the inner wall of the arc guide plate, and a servo motor is fixedly connected to the center of the bottom of one side of the outer wall of the feeding box, and the output end of the servo motor is fixedly connected to the axis center of one end of the grinding roller.

[0008] Preferably, the dispersion component includes guide plates fixedly connected to the top of the two side surfaces of the inner wall of the feeding box, the two guide plates are arranged to be tilted downward, the two guide plates are symmetrically arranged in an eight-shaped shape, and the bottoms of the two guide plates are commonly fixedly connected to a dispersion cylinder, a rotating shaft is rotatably connected to the center of the inner wall of the dispersion cylinder, and dispersion screws are fixedly connected on both sides of the outer wall of the rotating shaft, and the spiral directions of the two dispersion screws are opposite.

[0009] The technical effect achieved by adopting the above scheme is that the dispersion augers with opposite spiral directions can disperse the water to both sides.

[0010] Preferably, any of the above schemes is that a reduction motor is fixedly connected to the middle of a side surface of the outer wall of the feeding box, the output end of the reduction motor is fixedly connected to one end of the rotating shaft, the sum of the lengths of the two dispersion augers is adapted to the length of the dispersion cylinder, and the diameters of the two dispersion augers are adapted to the diameter of the inner wall of the dispersion cylinder.

[0011] The technical effect achieved by adopting the above scheme is: the two dispersion augers can be driven to rotate simultaneously by the reduction motor to drive the rotating shaft, so that the material added to the feeding box is evenly pushed to both sides, so that the added particles are evenly dispersed, thereby improving the uniformity of material distribution.

[0012] Preferably, any of the above schemes has a discharge port at the center of the bottom of the dispersion cylinder, and the two arc guide plates are fixedly connected to both sides of the discharge port, and the length of the two arc guide plates and the length of the discharge port are both compatible with the length of the feeding box.

[0013] The technical effect achieved by adopting the above solution is that the discharge port at the bottom of the dispersion cylinder can evenly input the material into the interior of the circular arc guide plate.

[0014] Preferably, any of the above solutions is that the distance between the plurality of separating ridges is adapted to the width of the discharge port and the outlet port, and the plurality of separating ridges are all made of elastic material.

[0015] The technical effect achieved by adopting the above solution is: the space between the separation ridges is matched with the feed cross section, which can maximize the use of the space, and at the same time the separation ridges of elastic material can reduce the wear of the arc guide plate caused by rotation.

[0016] Compared with the prior art, the advantages and beneficial effects of the present invention are as follows:

[0017] 1. The feeding control device of the injection molding machine can evenly disperse the added masterbatch particles into the interior of the two circular arc guide plates through the dispersion component, and then the grinding roller can be rotated to grind the material entering between the grinding roller and the circular arc guide plate to break up the agglomerated particles, thereby preventing the input particles from agglomerating and clogging, thereby improving the injection molding effect. At the same time, a number of separating ridges can be used to separate a number of spaces of equal size between the grinding roller and the circular arc guide plate, so that the speed of adding the space material can be controlled by controlling the rotation speed of the grinding roller.

[0018] 2. The injection molding machine uses a feeding control device, which drives the shaft to rotate through the reduction motor to drive two dispersion augers to rotate simultaneously, so that the material added to the feeding box is evenly pushed to both sides, so that the added particles are evenly dispersed, improving the uniformity of material distribution. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0021] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-section structure at AA in the middle;

[0022] Figure 4 For this utility model Figure 2 A magnified schematic diagram of the structure at point B.

[0023] In the figure: 1-injection molding machine body, 2-feed pipe, 3-convergence bucket, 4-feeding box, 5-reduction motor, 6-servo motor, 7-dispersion cylinder, 8-guide plate, 9-rotating shaft, 10-dispersion auger, 11-grinding roller, 12-separation ridge, 13-arc guide plate, 14-discharge port. DETAILED DESCRIPTION

[0024] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0025] Example 1: Figures 1 to 4As shown, a feeding control device for an injection molding machine includes an injection molding machine body 1, characterized in that: a feeding pipe 2 is fixedly connected to one side of the top of the injection molding machine body 1, a collecting bucket 3 is fixedly connected to the top of the collecting bucket 3, a feeding box 4 is fixedly connected to the top of the feeding box 4, a dispersion component is provided on the top of the inner wall of the feeding box 4, arc guide plates 13 are fixedly connected to both sides of the output port at the bottom of the dispersion component, a discharge port 14 is formed between the bottoms of the two arc guide plates 13, the two arc guide plates 13 are concentrically arranged, and the two arc guide plates 13 are fixedly connected to the feeding box 4. 3 is rotatably connected to a grinding roller 11, and a gap is left between the outer side surface of the grinding roller 11 and the inner wall of the arc guide plate 13. A plurality of separating ridges 12 are fixedly connected to the outer wall of the grinding roller 11. The plurality of separating ridges 12 are distributed in a radial annular array around the center of the grinding roller 11. The edges of the plurality of separating ridges 12 are in contact with the inner wall of the arc guide plate 13. A servo motor 6 is fixedly connected to the center of the bottom of one side of the outer wall of the feeding box 4, and the output end of the servo motor 6 is fixedly connected to the axis center of one end of the grinding roller 11.

[0026] As an optional technical solution of the present invention, the dispersion component includes a guide plate 8 fixedly connected to the top of the two side surfaces of the inner wall of the feeding box 4. The two guide plates 8 are arranged to be tilted downward, and the two guide plates 8 are symmetrically arranged in an eight-shaped shape. The bottom of the two guide plates 8 is commonly fixedly connected to a dispersion cylinder 7. The center of the inner wall of the dispersion cylinder 7 is rotatably connected to a rotating shaft 9, and both sides of the outer wall of the rotating shaft 9 are fixedly connected to a dispersion screw 10. The two dispersion screws 10 have opposite spiral directions. The dispersion screws 10 with opposite spiral directions can disperse the infinite to both sides.

[0027] As an optional technical solution of the present invention, a reduction motor 5 is fixedly connected to the middle of one side of the outer wall of the feeding box 4, and the output end of the reduction motor 5 is fixedly connected to one end of the rotating shaft 9. The sum of the lengths of the two dispersion augers 10 is adapted to the length of the dispersion cylinder 7, and the diameters of the two dispersion augers 10 are adapted to the diameter of the inner wall of the dispersion cylinder 7. The reduction motor 5 drives the rotating shaft 9 to rotate, and the two dispersion augers 10 can be driven to rotate at the same time, so that the material added to the inside of the feeding box 4 is evenly pushed to both sides, so that the added particles are evenly dispersed, thereby improving the uniformity of material distribution.

[0028] As an optional technical solution of the present invention, a discharge port is opened at the center of the bottom of the dispersion cylinder 7, and two arc guide plates 13 are fixedly connected to the two sides of the discharge port. The length of the two arc guide plates 13 and the length of the discharge port are adapted to the length of the feeding box 4, so that the discharge port at the bottom of the dispersion cylinder 7 can evenly input the material into the interior of the arc guide plate 13.

[0029] As an optional technical solution of the present invention, the distance between several dividing ribs 12 is adapted to the width of the discharge port and the discharge port 14, and several dividing ribs 12 are made of elastic material, so that the space between the dividing ribs 12 matches the feed cross-section, which can maximize the space. At the same time, the dividing ribs 12 made of elastic material can reduce the wear of the arc guide plate 13 caused by rotation.

[0030] A feeding control device for an injection molding machine, the working principle is as follows:

[0031] 1) The reduction motor 5 drives the rotating shaft 9 to rotate, which can drive the two dispersion augers 10 to rotate simultaneously, so that the material added to the feeding box 4 is evenly pushed to both sides, so that the added particles are evenly dispersed;

[0032] 2) The added masterbatch particles are evenly dispersed and input into the interior of the two arc guide plates 13 through the dispersion component;

[0033] 3) Then, the grinding roller 11 rotates to grind the material entering between the grinding roller 11 and the arc guide plate 13 to break up the agglomerated particles, thereby preventing the input particles from agglomerating and clogging, thereby improving the injection molding effect;

[0034] 4) A plurality of separating ridges 12 can be used to separate a plurality of spaces of equal size between the grinding roller 11 and the arc guide plate 13, so that the speed of adding materials into the spaces can be controlled by controlling the rotation speed of the grinding roller 11.

[0035] To sum up, the injection molding machine uses a feeding control device, which evenly disperses the added masterbatch particles into the interior of the two arc guide plates 13 through a dispersion component, and then the grinding roller 11 rotates to grind the material entering between the grinding roller 11 and the arc guide plate 13 to break up the agglomerated particles, thereby preventing the input particles from agglomerating and clogging, thereby improving the injection molding effect. At the same time, a number of separating ridges 12 can be used to separate a number of spaces of equal size between the grinding roller 11 and the arc guide plate 13, so that the speed of adding materials to the space can be controlled by controlling the rotation speed of the grinding roller 11. The reduction motor 5 drives the rotating shaft 9 to rotate, which can drive the two dispersion augers 10 to rotate at the same time, so that the material added to the feeding box 4 is evenly pushed to both sides, so that the added particles are evenly dispersed, thereby improving the uniformity of material distribution.

[0036] Although the embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and should not be construed as limiting the present invention. Those skilled in the art may make changes, modifications, substitutions, and variations to the above embodiments without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A feeding control device for an injection molding machine, comprising an injection molding machine body (1), characterized in that: A feed pipe (2) is fixedly connected to one side of the top of the injection molding machine body (1), a collecting bucket (3) is fixedly connected to the top of the feed pipe (2), a feeding box (4) is fixedly connected to the top of the collecting bucket (3), a dispersion component is provided on the top of the inner wall of the feeding box (4), arc guide plates (13) are fixedly connected to both sides of the output port at the bottom of the dispersion component, a discharge port (14) is formed between the bottoms of the two arc guide plates (13), the two arc guide plates (13) are concentrically arranged, and a grinding roller (14) is rotatably connected to the center of the two arc guide plates (13). 1), a gap is left between the outer side surface of the grinding roller (11) and the inner wall of the arc guide plate (13), the outer wall of the grinding roller (11) is fixedly connected with a plurality of separating ridges (12), the plurality of separating ridges (12) are distributed in a radial annular array around the center of the grinding roller (11), the edges of the plurality of separating ridges (12) are in contact with the inner wall of the arc guide plate (13), a servo motor (6) is fixedly connected at the center of the bottom of one side of the outer wall of the feeding box (4), and the output end of the servo motor (6) is fixedly connected to the axis center of one end of the grinding roller (11).

2. A feeding control device for an injection molding machine according to claim 1, characterized in that: The dispersion assembly includes guide plates (8) fixedly connected to the tops of both side surfaces of the inner wall of the feeding box (4), the two guide plates (8) are arranged to be tilted downward, and the two guide plates (8) are symmetrically arranged in an eight-shaped shape. The bottoms of the two guide plates (8) are fixedly connected to a dispersion cylinder (7), and a rotating shaft (9) is rotatably connected to the center of the inner wall of the dispersion cylinder (7). Dispersion screws (10) are fixedly connected to both sides of the outer wall of the rotating shaft (9), and the spiral directions of the two dispersion screws (10) are opposite.

3. The feeding control device for an injection molding machine according to claim 2, characterized in that: A reduction motor (5) is fixedly connected to the middle of a side surface of the outer wall of the feeding box (4), and the output end of the reduction motor (5) is fixedly connected to one end of the rotating shaft (9). The sum of the lengths of the two dispersion augers (10) is adapted to the length of the dispersion cylinder (7), and the diameters of the two dispersion augers (10) are adapted to the diameter of the inner wall of the dispersion cylinder (7).

4. A feeding control device for an injection molding machine according to claim 3, characterized in that: A discharge port is provided at the center of the bottom of the dispersion cylinder (7), and the two arc guide plates (13) are fixedly connected to both sides of the discharge port. The lengths of the two arc guide plates (13) and the discharge port are both compatible with the length of the feeding box (4).

5. The feeding control device for an injection molding machine according to claim 4, characterized in that: The distance between the plurality of separating ridges (12) is adapted to the width of the discharge port and the discharge port (14), and the plurality of separating ridges (12) are all made of elastic material.

Images