Feeding device of plastic part injection molding machine

By designing a spiral feeding pipe and a motor-driven feeding device, the problem of feeding injection molding machines at different heights is solved, flexible feeding and dust collection are achieved, and feeding efficiency and environmental cleanliness are improved.

CN223339884UActive Publication Date: 2025-09-16HANGZHOU KEDA NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202422583294.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2025-09-16
Estimated Expiration
2034-10-25

AI Technical Summary

Technical Problem

The existing injection molding machine loading device needs to use different loading devices according to the loading bins at different heights, which leads to the problem of plastic particles floating.

Method used

A feeding device consisting of a spiral feeding pipe and a motor-driven feeding device was designed. The motor drives the threaded rod to rotate and adjust the height of the discharge pipe to adapt to the feeding of injection molding machines at different heights. A dust extraction system is also equipped to collect dust.

Benefits of technology

It realizes flexible loading of injection molding machines at different heights, reduces the dispersion of plastic particles, improves loading efficiency, and effectively collects dust.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a feeding device of a plastic part injection molding machine, which relates to the field of plastic part injection molding production, and comprises a bottom plate and a spiral conveying pipe, the top of the spiral conveying pipe is connected with a feeding pipe, the bottom of the spiral conveying pipe is connected with a discharging pipe, the top of the bottom plate is connected with two supporting plates, a rotating shaft is connected between the two supporting plates, and the rotating shaft is connected with the bottom of the spiral conveying pipe. The outer wall of the rotating shaft is connected with rotating blocks. The motor is used for driving the threaded rod to rotate, the threaded rod drives the threaded barrel to move when rotating, the threaded barrel pushes the wedge-shaped block, the wedge-shaped block slides in the wedge-shaped groove in the fixed block, the wedge-shaped block pushes the spiral conveying pipe, the spiral conveying pipe pulls the rotating block, and the rotating block drives the rotating shaft to rotate on the supporting plate. The feeding height of the discharging pipe can be adjusted by adjusting the feeding height of the discharging pipe, so that the injection molding machines with different heights can be fed, the feeding bins are arranged on the injection molding machines, and the bin openings of the feeding bins are large, so that the feeding is not influenced by the change of the angle of the discharging pipe.
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Description

Technical Field

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

[0002] Injection molding machines, also known as injection molding machines or injection machines, are the primary molding equipment used to create various shapes of plastic products from thermoplastics or thermosetting plastics using plastic molding molds. They are available in vertical, horizontal, and all-electric models. They heat the plastic and apply high pressure to the molten plastic, causing it to be ejected and fill the mold cavity.

[0003] At present, the loading bins of injection molding machines are mostly set at high positions. When feeding is needed, most of the existing technologies use inclined elevators to feed the materials. Moreover, due to the different heights of the loading bins of injection molding machines, different loading devices are required when feeding different injection molding machines. If a higher loading device is used to feed the loading bin below it, the plastic particles will be scattered.

[0004] Therefore, it is necessary to invent a plastic parts injection molding machine feeding device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a feeding device for a plastic parts injection molding machine to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a feeding device for a plastic accessories injection molding machine, comprising a base plate and a spiral feeding pipe, the top of the spiral feeding pipe is connected to a feed pipe, the bottom of the spiral feeding pipe is connected to a discharge pipe, the top of the base plate is connected to two support plates, a rotating shaft is connected between the two support plates, the outer wall of the rotating shaft is connected to a rotating block, the rotating block is connected to the bottom of the spiral feeding pipe, the top of the base plate is connected to a U-shaped frame, the bottom of the U-shaped frame is connected to a motor, the output end of the motor is connected to a threaded rod, the top of the threaded rod is connected to a threaded barrel, the top of the threaded barrel is rotatably provided with a wedge block, the bottom of the spiral feeding pipe is connected to a fixed block, and the bottom of the fixed block is provided with a wedge-shaped groove corresponding to the wedge block.

[0007] Preferably, the top of the feed pipe is connected to a feed hopper, and the top of the feed hopper is provided with a cover plate.

[0008] Preferably, the outer wall of the spiral conveying pipe is provided with a plurality of dust extraction ports, and a filter is connected to the dust extraction port. The outer wall of the spiral conveying pipe is connected to a dust extraction hood, the bottom of the dust extraction hood is connected to a dust extraction pipe, the other end of the dust extraction pipe is connected to a collection box, and the front side of the collection box is connected to a dust exhaust fan.

[0009] Preferably, two limiting rods are connected to the top of the U-shaped frame, and limiting cylinders are connected to the left and right sides of the threaded cylinder, and the limiting cylinders and the limiting rods are slidably arranged.

[0010] Preferably, universal wheels are connected to the four corners of the bottom of the base plate, and brake pads are provided on the universal wheels.

[0011] The technical effects and advantages of this utility model are:

[0012] By using a motor to drive the threaded rod to rotate, the threaded rod drives the threaded barrel to move when rotating, and the threaded barrel pushes the wedge block, so that the wedge block slides in the wedge groove on the fixed block, and the wedge block pushes the spiral feed pipe, and the spiral feed pipe pulls the rotating block, so that the rotating block drives the rotating shaft to rotate on the support plate, and the feeding height of the discharge pipe can be adjusted, so that injection molding machines of different heights can be fed. Since the injection molding machine is provided with a feeding bin and the bin opening of the feeding bin is large, the change of the discharge pipe angle will not affect the feeding. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure of part A;

[0015] Figure 3 This is a schematic diagram of the cross-sectional structure of the dust hood of the utility model from a top view

[0016] In the figure: 1. Base plate; 2. Spiral feed pipe; 3. Feed pipe; 4. Discharge pipe; 5. Support plate; 6. Rotating shaft; 7. Rotating block; 8. U-shaped frame; 9. Motor; 10. Threaded rod; 11. Threaded barrel; 12. Wedge block; 13. Fixed block; 14. Feed hopper; 15. Cover plate; 16. Filter; 17. Dust hood; 18. Dust pipe; 19. Collection box; 20. Dust exhaust fan; 21. Limit rod; 22. Limit barrel; 23. Universal wheel. DETAILED DESCRIPTION

[0017] The following will be combined with the 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.

[0018] The utility model provides Figure 1-3The feeding device of the plastic parts injection molding machine shown in the figure includes a base plate 1 and a spiral feeding pipe 2, the top of the spiral feeding pipe 2 is connected to a feeding pipe 3, the bottom of the spiral feeding pipe 2 is connected to a discharging pipe 4, the top of the base plate 1 is connected to two support plates 5, a rotating shaft 6 is connected between the two support plates 5, the outer wall of the rotating shaft 6 is connected to a rotating block 7, the rotating block 7 is connected to the bottom of the spiral feeding pipe 2, the top of the base plate 1 is connected to a U-shaped frame 8, the bottom of the U-shaped frame 8 is connected to a motor 9, the output end of the motor 9 is connected to a threaded rod 10, the top of the threaded rod 10 is connected to a threaded barrel 11, the top of the threaded barrel 11 is rotatably provided with a wedge block 12, and the bottom of the spiral feeding pipe 2 is connected to a fixed block 1 3. A wedge-shaped groove corresponding to the wedge block 12 is provided at the bottom of the fixed block 13. The motor 9 is used to drive the threaded rod 10 to rotate. The threaded rod 10 drives the threaded barrel 11 to move when rotating. The threaded barrel 11 pushes the wedge block 12, so that the wedge block 12 slides in the wedge groove on the fixed block 13. The wedge block 12 pushes the spiral feeding pipe 2. The spiral feeding pipe 2 pulls the rotating block 7, so that the rotating block 7 drives the rotating shaft 6 to rotate on the support plate 5. The feeding height of the discharge pipe 4 can be adjusted, so that injection molding machines of different heights can be fed. Since the injection molding machines are all provided with a feeding bin, and the bin opening of the feeding bin is large, the change of the angle of the discharge pipe 4 will not affect the feeding.

[0019] The top of the feed pipe 3 is connected to a feed hopper 14 , and a cover plate 15 is provided on the top of the feed hopper 14 .

[0020] The outer wall of the spiral feeding pipe 2 is provided with multiple dust extraction ports, and the dust extraction ports are connected to a filter 16. The outer wall of the spiral feeding pipe 2 is connected to a dust extraction hood 17, and the bottom of the dust extraction hood 17 is connected to a dust extraction pipe 18. The other end of the dust extraction pipe 18 is connected to a collecting box 19, and the front side of the collecting box 19 is connected to a dust exhaust fan 20. A non-woven fabric filter layer is provided at the position where the collecting box 19 is connected to the dust exhaust fan 20, so as to retain the dust in the collecting box 19. By using the dust exhaust fan 20 to extract dust, the dust generated when the spiral feeding pipe 2 is loaded is sucked into the dust extraction hood 17, and enters the dust extraction pipe 18 through the dust extraction hood 17, and then enters the collecting box 19 through the dust extraction pipe 18 to collect the dust.

[0021] Two limiting rods 21 are connected to the top of the U-shaped frame 8, and limiting cylinders 22 are connected to the left and right sides of the threaded cylinder 11. The limiting cylinders 22 are slidably arranged with the limiting rods 21. The threaded cylinder 11 pulls the limiting cylinder 22, so that the limiting cylinder 22 slides on the limiting rods 21, which can limit the threaded cylinder 11.

[0022] Universal wheels 23 are connected to the four corners of the bottom of the base plate 1, and brake pads are provided on the universal wheels 23 to facilitate the movement of the loading device.

[0023] Working principle of this utility model:

[0024] By adding plastic particles into the feed hopper 14 and loading them by using the spiral feeding pipe 2, the motor 9 is used to drive the threaded rod 10 to rotate, and the threaded rod 10 drives the threaded barrel 11 to move when rotating, and the threaded barrel 11 pushes the wedge block 12, so that the wedge block 12 slides in the wedge groove on the fixed block 13, and the wedge block 12 pushes the spiral feeding pipe 2, and the spiral feeding pipe 2 pulls the rotating block 7, so that the rotating block 7 drives the rotating shaft 6 to rotate on the support plate 5, and the loading height of the discharge pipe 4 can be adjusted. By using the motor 9 to drive the threaded rod 10 to rotate, the threaded rod 10 drives the threaded barrel 11 to move when rotating, and the threaded barrel 11 pushes the wedge block 12, so that the wedge block 12 slides in the wedge groove on the fixed block 13, and the wedge block 12 pushes the spiral feeding pipe 2, and the spiral feeding pipe 2 pulls the rotating block 7, so that the rotating block 7 drives the rotating shaft 6 to rotate on the support plate 5, and the loading height of the discharge pipe 4 can be adjusted.

[0025] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A feeding device for a plastic parts injection molding machine, comprising a base plate and a spiral feeding pipe, characterized in that: The top of the spiral conveying pipe is connected to a feed pipe, the bottom of the spiral conveying pipe is connected to a discharge pipe, the top of the base plate is connected to two support plates, a rotating shaft is connected between the two support plates, the outer wall of the rotating shaft is connected to a rotating block, the rotating block is connected to the bottom of the spiral conveying pipe, the top of the base plate is connected to a U-shaped frame, the bottom of the U-shaped frame is connected to a motor, the output end of the motor is connected to a threaded rod, the top of the threaded rod is connected to a threaded barrel, the top of the threaded barrel is rotatably provided with a wedge block, the bottom of the spiral conveying pipe is connected to a fixed block, and the bottom of the fixed block is provided with a wedge-shaped groove corresponding to the wedge block.

2. A feeding device for a plastic parts injection molding machine according to claim 1, characterized in that: The top of the feed pipe is connected to a feed hopper, and the top of the feed hopper is provided with a cover plate.

3. A feeding device for a plastic parts injection molding machine according to claim 1, characterized in that: The outer wall of the spiral feeding pipe is provided with a plurality of dust extraction ports, and a filter is connected to the dust extraction port. The outer wall of the spiral feeding pipe is connected to a dust extraction hood, the bottom of the dust extraction hood is connected to a dust extraction pipe, the other end of the dust extraction pipe is connected to a collection box, and the front side of the collection box is connected to a dust exhaust fan.

4. A feeding device for a plastic parts injection molding machine according to claim 1, characterized in that: The top of the U-shaped frame is connected to two limiting rods, and the left and right sides of the threaded cylinder are both connected to limiting cylinders, and the limiting cylinders and the limiting rods are slidably arranged.

5. The feeding device for a plastic parts injection molding machine according to claim 1, characterized in that: The four corners of the bottom of the base plate are all connected with universal wheels, and brake pads are arranged on the universal wheels.