Preheating feeding structure of horizontal injection molding machine

Abstract

The utility model provides a preheating feeding structure of a horizontal injection molding machine, and relates to the technical field of preheating feeding structures of horizontal injection molding machines, the preheating feeding structure of the horizontal injection molding machine comprises a feeding hopper, and a preheating box is arranged on the outer surface of the feeding hopper. When a heating pipe in the preheating box is started to preheat materials in the preheating box, a motor can be started at the same time to drive a round rod, a scraping plate and a plurality of stirring rods to do vertical circular motion, and the materials in a feeding hopper are stirred and dispersed; a bevel gear at one end can perform meshing rotation on a bevel gear ring block, so that a stirring rod can be driven to perform transverse circular motion, materials, far away from a heating pipe, of a feeding hopper can also be conveyed to the position close to the heating pipe, preheating treatment can be conveniently performed on the materials, the materials in the feeding hopper can be uniformly heated through stirring, and the heating efficiency is improved. And the preheating treatment effect is improved, and later injection molding machining is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of preheating feeding structures of horizontal injection molding machines, in particular to a preheating feeding structure of a horizontal injection molding machine. Background Art

[0002] The feeding device is an important part of the injection molding machine. It is responsible for conveying raw materials such as plastic granules or powder into the injection barrel to provide the necessary raw materials for the subsequent melt plasticization and injection molding process.

[0003] When using a feed hopper to transport materials to a horizontal injection molding machine, after the material is placed in the feed hopper, the heating tube inside the preheating box will be started to preheat the material inside the feed hopper. Since the heating tube is arranged on the outer surface of the feed hopper, during the preheating treatment, the material near the heating tube inside the heating box is easily heated, while the material accumulated in the center of the feed hopper cannot be heated, resulting in uneven heating of the internal plastic, affecting the effect of the preheating treatment. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a preheating feeding structure for a horizontal injection molding machine.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a preheating feeding structure of a horizontal injection molding machine, comprising a feed hopper, a preheating box is arranged on the outer surface of the feed hopper, a heating tube is arranged inside the preheating box, a stirring device is arranged inside the feed hopper, the stirring device comprises a screw hole frame, a detachable device is arranged between the two ends of the screw hole frame and the top of the feed hopper respectively, a motor is fixedly connected to one side of the screw hole frame, a round rod is penetrated and connected to one side of the screw hole frame, one end of the round rod is fixedly connected to the output end of the motor, a scraper is fixedly connected to the bottom of the round rod, a plurality of stirring rods are symmetrically rotatably connected to the outer surface of the round rod, one end of the stirring rod is fixedly connected to a bevel gear, a plurality of bevel gear ring blocks are fixedly connected to the inner wall of the feed hopper, and the outer surface of the bevel gear is meshed with the outer surface of the bevel gear.

[0006] The effect achieved by the above components is: by setting a stirring device, after the material is poured into the feed hopper, when the heating tube inside the preheating box is started to preheat the material inside, the motor on the screw hole frame can be started to drive the round rod, the scraper and several stirring rods to move vertically in a circular motion, so as to stir the material inside the feed hopper and disperse it. When the stirring rod moves in a vertical circular motion, the bevel gear at one end will mesh and rotate on the bevel gear ring block, thereby driving the stirring rod to move in a horizontal circular motion, stirring the local material again, so that the material in the feed hopper far away from the heating tube can also be transported to a position close to the heating tube, so as to facilitate its preheating treatment. Through stirring, the material inside the feed hopper can be evenly heated, thereby improving the effect of the preheating treatment and facilitating the subsequent injection molding process.

[0007] Preferably, the blades on the outer surface of the stirring rod are spiral-shaped, and the two ends of the scraper are tightly attached to the bottom inner wall of the feed hopper.

[0008] The effect achieved by the above components is: by setting the outer surface of the stirring rod in a spiral shape, when it undergoes transverse circular motion, the material at the center position of the round rod can be spirally pushed to the inner wall of the feed hopper so that it can contact the area heated by the heating tube, thereby facilitating uniform heating of the material. At the same time, the scraper can scrape off part of the material that adheres to the bottom of the feed hopper after being heated, thereby facilitating the discharge of the material.

[0009] Preferably, a bearing is fixedly connected to the outer surface of one end of the stirring rod, and the outer ring of the bearing is fixedly connected to the outer surface of the round rod.

[0010] The effects achieved by the above components are: by arranging the bearing, the contact wear between the stirring rod and the round rod can be reduced, the service life of both can be increased, and the stirring rod can be rotated more smoothly.

[0011] Preferably, a reinforcement rod is symmetrically fixedly connected to one side of the scraper, and one end of the reinforcement rod is fixedly connected to the outer surface of the round rod.

[0012] The effect achieved by the above components is: by arranging the reinforcing rod, the connection area between the scraper and the round rod can be increased, making the connection more firm and stable and not easy to break.

[0013] Preferably, the detachable device includes bolts, the outer surface of the feed hopper is symmetrically fixedly connected with rectangular hole blocks, the two ends of the screw hole rack are respectively inserted in the inner walls of the two rectangular hole blocks, a threaded hole is opened on one side of the inner wall of the rectangular hole block, and one end of the bolt is screwed in the threaded hole and the inner wall of the screw hole rack.

[0014] The effect achieved by the above components is: through the detachable device, when the round rod and the stirring rod need to be maintained and cleaned, the bolt can be manually held to screw it out from the threaded hole and the inner wall of the screw hole frame, and then the screw hole frame can be held and pulled up and down to drive the two ends to be pulled out from the inner wall of the rectangular hole block, so that it can be removed from the outer surface of the feed hopper, making it easier to maintain and clean it.

[0015] Preferably, a plurality of screw blocks are fixedly connected to the outer surface of one end of the bolt, and the plurality of screw blocks are arranged at equal distances.

[0016] The effect achieved by the above components is that by providing the screw block, the contact area of ​​one end of the bolt can be increased, making it easier to manually hold and screw it.

[0017] Preferably, a connecting rope is fixedly connected to one side of the bolt, and one end of the connecting rope is fixedly connected to one side of the rectangular hole block.

[0018] The effect achieved by the above components is that by arranging the connecting rope, the bolt can be limited on one side of the rectangular hole block, so that it is not easy to be lost after being screwed out of the threaded hole.

[0019] Preferably, one side of the rectangular hole block is symmetrically fixedly connected to a limiting block, and the two limiting blocks are fixed on both sides of the entrance of the rectangular hole block in an inclined manner.

[0020] The effect achieved by the above components is: by setting the limit block, the area of ​​the rectangular hole block entrance can be increased, so that the screw hole frame can be quickly aligned and inserted.

[0021] Compared with the prior art, the advantages and positive effects of the utility model are:

[0022] In the utility model, by arranging a stirring device, after the material is poured into the feed hopper, when the heating tube inside the preheating box is started to preheat the material inside, the motor on the screw hole frame can be started to drive the round rod, the scraper and a plurality of stirring rods to move vertically in a circular motion, so as to stir the material inside the feed hopper and disperse it. When the stirring rod moves in a vertical circular motion, the bevel gear at one end will mesh and rotate on the bevel gear ring block, so as to drive the stirring rod to move in a horizontal circular motion, so as to stir the local material again, so that the material in the feed hopper far away from the heating tube can also be transported to the position close to the heating tube, so as to facilitate the preheating treatment thereof. Through stirring, the material inside the feed hopper can be evenly heated, so as to improve the effect of the preheating treatment and facilitate the injection molding process in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of the screw hole frame of the utility model;

[0025] Figure 3 It is a schematic diagram of the three-dimensional structure of the feed hopper of the utility model;

[0026] Figure 4 for Figure 3 Schematic diagram of the central structure.

[0027] Legend: 1. Feed hopper; 2. Stirring device; 3. Removable device; 4. Preheating box; 5. Heating tube; 21. Bevel gear ring block; 22. Screw hole rack; 23. Motor; 24. Round rod; 25. Scraper; 26. Stirring rod; 27. Bevel gear; 28. Bearing; 29. ​​Reinforcement rod; 31. Rectangular hole block; 32. Threaded hole; 33. Bolt; 34. Twist block; 35. Connecting rope; 36. Limit block. DETAILED DESCRIPTION

[0028] Embodiment 1, as Figure 1-4 As shown, a preheating feeding structure of a horizontal injection molding machine includes a feed hopper 1, a preheating box 4 is arranged on the outer surface of the feed hopper 1, a heating tube 5 is arranged inside the preheating box 4, a stirring device 2 is arranged inside the feed hopper 1, the stirring device 2 includes a screw hole frame 22, and a detachable device 3 is arranged between the two ends of the screw hole frame 22 and the top of the feed hopper 1 respectively, a motor 23 is fixedly connected to one side of the screw hole frame 22, a round rod 24 is penetrated and connected to one side of the screw hole frame 22, one end of the round rod 24 is fixedly connected to the output end of the motor 23, a scraper 25 is fixedly connected to the bottom of the round rod 24, a plurality of stirring rods 26 are symmetrically rotatably connected to the outer surface of the round rod 24, one end of the stirring rod 26 is fixedly connected to a bevel gear 27, a plurality of bevel gear ring blocks 21 are fixedly connected to the inner wall of the feed hopper 1, and the outer surface of the bevel gear 27 is meshed with the outer surface of the bevel gear ring block 21. After the material is poured into the feed hopper 1, the heating tube 5 inside the preheating box 4 is started to preheat the material inside, and the motor 23 on the screw hole frame 22 can be started to drive the round rod 24 and the scraper 25 and a plurality of stirring rods 26 to move vertically in a circular motion to stir the material inside the feed hopper 1 and disperse it. When the stirring rod 26 moves in a vertical circular motion, the bevel gear 27 at one end will mesh and rotate on the bevel gear ring block 21, thereby driving the stirring rod 26 to move in a horizontal circular motion to stir the local material again, so that the material in the feed hopper 1 away from the heating tube 5 can also be transported to a position close to the heating tube 5, so as to facilitate the preheating treatment thereof. By stirring, the material inside the feed hopper 1 can be evenly heated, thereby improving the effect of the preheating treatment and facilitating the subsequent injection molding process.

[0029] Reference Figure 2As shown, this embodiment discloses that the outer surface blades of the stirring rod 26 are spiral-shaped, and the two ends of the scraper 25 are closely attached to the bottom inner wall of the feed hopper 1. By setting the outer surface of the stirring rod 26 to be spiral-shaped, when it undergoes lateral circular motion, the material at the center position of the round rod 24 can be spirally pushed to the inner wall of the feed hopper 1, so that it can contact the area heated by the heating tube 5, which is convenient for the material to be evenly heated. At the same time, the scraper 25 can scrape off the material that adheres to the bottom of the feed hopper 1 after being partially heated, so as to facilitate the discharge of the material. A bearing 28 is fixedly connected to the outer surface of one end of the stirring rod 26, and the outer ring of the bearing 28 is fixedly connected to the outer surface of the round rod 24. By providing the bearing 28, the contact wear between the stirring rod 26 and the round rod 24 can be reduced, the service life of both can be increased, and the stirring rod 26 can be made smoother when rotating.

[0030] Reference Figure 2 As shown, this embodiment discloses that a reinforcement rod 29 is symmetrically fixedly connected to one side of the scraper 25, and one end of the reinforcement rod 29 is fixedly connected to the outer surface of the round rod 24. By providing the reinforcement rod 29, the connection area between the scraper 25 and the round rod 24 can be increased, making the connection more firm and stable and not easy to break.

[0031] Reference Figure 3 and Figure 4 As shown, this embodiment discloses that the detachable device 3 includes a bolt 33, and the outer surface of the feed hopper 1 is symmetrically fixedly connected with a rectangular hole block 31, and the two ends of the screw hole frame 22 are respectively inserted into the inner walls of the two rectangular hole blocks 31, and a threaded hole 32 is opened on one side of the inner wall of the rectangular hole block 31, and one end of the bolt 33 is screwed into the threaded hole 32 and the inner wall of the screw hole frame 22. When the round rod 24 and the stirring rod 26 need to be maintained and cleaned, the bolt 33 can be manually held to screw it out from the threaded hole 32 and the inner wall of the screw hole frame 22, and then the screw hole frame 22 can be held and pulled up and down, which can drive the two ends to be pulled out from the inner wall of the rectangular hole block 31, so that it can be removed from the outer surface of the feed hopper 1, which is convenient for maintenance and cleaning.

[0032] Reference Figure 3 and Figure 4As shown, the present embodiment discloses that a plurality of screw blocks 34 are fixedly connected to the outer surface of one end of the bolt 33, and the plurality of screw blocks 34 are arranged at equal distances. By providing the screw block 34, the contact area of ​​one end of the bolt 33 can be increased, so that it is convenient to hold and screw it manually. A connecting rope 35 is fixedly connected to one side of the bolt 33, and one end of the connecting rope 35 is fixedly connected to one side of the rectangular hole block 31. By providing the connecting rope 35, the bolt 33 can be limited on one side of the rectangular hole block 31, so that it is not easy to be lost after being screwed out of the threaded hole 32. A limiting block 36 is symmetrically fixedly connected to one side of the rectangular hole block 31, and the two limiting blocks 36 are fixed on both sides of the entrance of the rectangular hole block 31 in an inclined manner. By providing the limiting block 36, the area of ​​the entrance of the rectangular hole block 31 can be increased, so that the screw hole frame 22 can be quickly aligned and inserted.

[0033] Working principle: after the material is poured into the feed hopper 1, the heating tube 5 inside the preheating box 4 is started to preheat the material inside, and the motor 23 on the screw hole frame 22 can be started to drive the round rod 24, the scraper 25 and a plurality of stirring rods 26 to move in a vertical circular motion, so as to stir the material inside the feed hopper 1 and disperse it. When the stirring rod 26 moves in a vertical circular motion, the bevel gear 27 at one end will mesh and rotate on the bevel gear ring block 21, thereby driving the stirring rod 26 to move in a horizontal circular motion. The outer surface of the stirring rod 26 is spiral, so that when it moves in a horizontal circular motion, the material at the center position of the round rod 24 can be spirally pushed to the inner wall of the feed hopper 1, so that it can contact the area heated by the heating tube 5, so as to facilitate uniform heating of the material. At the same time, the scraper 25 can scrape off the material that adheres to the bottom of the feed hopper 1 after being partially heated, so as to facilitate the discharge of the material. Through stirring, the material inside the feed hopper 1 can be evenly heated, the effect of preheating treatment is improved, and it is convenient for injection molding processing in the later stage.

[0034] When it is necessary to maintain and clean the round rod 24 and the stirring rod 26, the screw block 34 can be manually held to screw the bolt 33 out of the threaded hole 32 and the inner wall of the screw hole frame 22, and then the screw hole frame 22 can be held and pulled up and down to drive the two ends to be pulled out from the inner wall of the rectangular hole block 31, so that it can be removed from the outer surface of the feed hopper 1 for easy maintenance and cleaning.

Claims

1. A preheating feeding structure of a horizontal injection molding machine, comprising a feeding hopper (1), characterized in that: The outer surface of the feed hopper (1) is provided with a preheating box (4), the interior of the preheating box (4) is provided with a heating tube (5), the interior of the feed hopper (1) is provided with a stirring device (2), the stirring device (2) comprises a screw hole frame (22), and detachable devices (3) are respectively provided between the two ends of the screw hole frame (22) and the top of the feed hopper (1), one side of the screw hole frame (22) is fixedly connected to a motor (23), and one side of the screw hole frame (22) is penetrated and connected to a round rod ( 24), one end of the round rod (24) is fixedly connected to the output end of the motor (23), the bottom of the round rod (24) is fixedly connected to a scraper (25), the outer surface of the round rod (24) is symmetrically rotatably connected to a plurality of stirring rods (26), one end of the stirring rod (26) is fixedly connected to a bevel gear (27), the inner wall of the feed hopper (1) is fixedly connected to a plurality of bevel gear ring blocks (21), and the outer surface of the bevel gear (27) is meshed with the outer surface of the bevel gear ring block (21).

2. The preheating feeding structure of a horizontal injection molding machine according to claim 1, characterized in that: The blades on the outer surface of the stirring rod (26) are spiral-shaped, and the two ends of the scraper (25) are tightly attached to the bottom inner wall of the feed hopper (1).

3. The preheating feeding structure of a horizontal injection molding machine according to claim 1, characterized in that: A bearing (28) is fixedly connected to the outer surface of one end of the stirring rod (26), and the outer ring of the bearing (28) is fixedly connected to the outer surface of the round rod (24).

4. The preheating feeding structure of a horizontal injection molding machine according to claim 1, characterized in that: A reinforcement rod (29) is symmetrically fixedly connected to one side of the scraper (25), and one end of the reinforcement rod (29) is fixedly connected to the outer surface of the round rod (24).

5. The preheating feeding structure of a horizontal injection molding machine according to claim 1, characterized in that: The detachable device (3) comprises a bolt (33); the outer surface of the feed hopper (1) is symmetrically fixedly connected with a rectangular hole block (31); the two ends of the screw hole frame (22) are respectively inserted into the inner walls of the two rectangular hole blocks (31); a threaded hole (32) is provided on one side of the inner wall of the rectangular hole block (31); and one end of the bolt (33) is screwed into the threaded hole (32) and the inner wall of the screw hole frame (22).

6. The preheating feeding structure of a horizontal injection molding machine according to claim 5, characterized in that: A plurality of screw blocks (34) are fixedly connected to the outer surface of one end of the bolt (33), and the plurality of screw blocks (34) are arranged at equal distances.

7. The preheating feeding structure of a horizontal injection molding machine according to claim 5, characterized in that: A connecting rope (35) is fixedly connected to one side of the bolt (33), and one end of the connecting rope (35) is fixedly connected to one side of the rectangular hole block (31).

8. The preheating feeding structure of a horizontal injection molding machine according to claim 5, characterized in that: One side of the rectangular hole block (31) is symmetrically fixedly connected to a limiting block (36), and the two limiting blocks (36) are fixed in an inclined manner on both sides of the entrance of the rectangular hole block (31).

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