Raw material quantitative feeding device

Abstract

The utility model relates to injection molding machine feeding technical field, specifically disclose a raw material ration feeding device, including storage mechanism, it includes hopper and the sleeve board connected in the hopper bottom, the feeding mechanism, it includes the central rod and connects the spiral blade in the cooperation of the central rod bottom and the hopper bottom pipeline inner wall, install the driving piece for driving the central rod rotation on the hopper, the material scraping mechanism, it includes the gear ring and connects the scraper in the sliding fit of the gear ring bottom and the hopper inner wall, the gear ring rotation is connected in the hopper top, the utility model discloses in the material scraping mechanism through the gear ring and the rack meshing, realize the automatic rotation of scraper with the help of hopper movement, need not extra driving source, simplify the structure and reduce energy consumption simultaneously, can push the raw material in the hopper to be even, make subsequent ration feeding work carry out conveniently.

Description

Technical Field

[0001] This utility model relates to the field of injection molding machine feeding technology, specifically a raw material quantitative feeding device. Background Technology

[0002] In the injection molding process, plastic raw materials need to be quantitatively and stably conveyed from the hopper to the melting cylinder of the injection molding machine. In the existing technology, in order to ensure smooth feeding, complex anti-clogging or stirring mechanisms are often set in the hopper or feeding pipe.

[0003] The injection molding machine feeding device disclosed in patent publication number CN221475927U includes a feeding pipe. A motor is fixedly installed on one side wall of the feeding pipe, and a transmission belt is rotatably connected to one end of the motor's output shaft. An anti-blocking mechanism is provided on the inner wall of the transmission belt, and the anti-blocking mechanism is symmetrically arranged on both sides of the feeding pipe. Grooves are symmetrically opened at equal intervals on the inner wall of the feeding pipe corresponding to the anti-blocking mechanism, and baffles are fixedly connected to both sides of the inner wall of the feeding pipe corresponding to the anti-blocking mechanism. A through hole is opened through the top of the baffle. The motor drives the scraper to move, so that during the feeding process, the scraper can continuously move up and down to disturb the input plastic particles, preventing them from clogging and making it difficult for the plastic particles to flow into the auger.

[0004] The aforementioned device incorporates an anti-blocking mechanism to ensure stable feeding. However, this mechanism has multiple components located within the feeding pipe, and the constantly moving scraper disrupts the feeding plastic granules. Powder and granules from one side of the scraper can enter parts of the anti-blocking mechanism, affecting the operation of the feeding device. To address these issues, a raw material quantitative feeding device is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a raw material quantitative feeding device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A raw material quantitative feeding device, comprising

[0008] A material storage mechanism, comprising a hopper and a sleeve plate connected to the bottom of the hopper;

[0009] The feeding mechanism includes a central rod and a spiral blade connected to the bottom end of the central rod and engaging with the inner wall of the pipe at the bottom of the hopper. The hopper is equipped with a driving component for driving the central rod to rotate.

[0010] A scraping mechanism includes a toothed ring and a scraper connected to the bottom of the toothed ring and slidingly engaged with the inner wall of the hopper, wherein the toothed ring is rotatably connected to the top of the hopper;

[0011] A guiding mechanism includes a guide seat with a discharge hole corresponding to the bottom opening of the hopper, and a sleeve slidably mounted on the guide seat; and

[0012] A frame, comprising a frame body and an adjusting member connected to the frame body for adjusting the sliding position of an adjusting sleeve plate on a guide seat, wherein a rack that meshes with a gear ring is connected to the top of the frame body.

[0013] In one alternative: the drive unit includes a support frame and a drive source mounted on top of the support frame, the support frame is mounted on the hopper, and the bottom end of the support frame is connected to the top of the sleeve plate, and the power output end of the drive source is connected to the center rod.

[0014] In one alternative embodiment, the scraping mechanism further includes a collar rotatably fitted onto the central rod, the collar being connected to the scraper via a support rod.

[0015] In one alternative: a protective cover for protecting the toothed ring is installed on the top of the hopper, and the protective cover has a notch on the side near the frame.

[0016] In one alternative: a limiting ring is connected to the top of the hopper, and an annular groove is provided at the bottom of the toothed ring to slide with the limiting ring.

[0017] In one alternative: the adjusting component includes a positioning frame and a hydraulic telescopic rod mounted on the positioning frame, the positioning frame being mounted on a frame body, and the piston rod at the power output end of the hydraulic telescopic rod being connected to one side of the hopper.

[0018] In one alternative: the discharge port is provided in two sets.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] In this invention, the scraping mechanism uses a toothed ring and a rack to mesh, and the scraper rotates automatically by moving the hopper. No additional drive source is required, which simplifies the structure and reduces energy consumption. It can also distribute the raw materials in the hopper evenly, which is convenient for subsequent quantitative feeding.

[0021] In this invention, the spiral blades provide strong feeding stability and can feed materials quantitatively under the drive of the drive unit. After feeding, the spiral blades stop rotating and can act as an isolation mechanism to prevent the continuous output of raw materials from the hopper. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of this utility model.

[0023] Figure 2 This is a schematic diagram of the top structure of this utility model.

[0024] Figure 3This is a schematic diagram of the guiding mechanism in this utility model.

[0025] Figure 4 This is a schematic diagram of the material storage mechanism and the scraping mechanism in this utility model.

[0026] Figure 5 This is a schematic diagram of the feeding mechanism and scraping mechanism in this utility model.

[0027] In the diagram: 1. Material storage mechanism; 2. Feeding mechanism; 3. Scraping mechanism; 4. Guiding mechanism; 5. Frame; 11. Hopper; 12. Sleeve plate; 21. Center rod; 22. Spiral blade; 23. Drive source; 24. Support frame; 31. Gear ring; 32. Scraper; 33. Collar ring; 34. Support rod; 41. Guide seat; 42. Discharge hole; 51. Frame body; 52. Rack; 53. Positioning frame; 54. Hydraulic telescopic rod. Detailed Implementation

[0028] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Please see Figures 1-5 In this embodiment, a raw material quantitative feeding device includes:

[0031] The storage mechanism 1 includes a hopper 11 and a sleeve plate 12 connected to the bottom of the hopper 11; the hopper 11 serves as a raw material storage container.

[0032] The feeding mechanism 2 includes a central rod 21 and a spiral blade 22 connected to the bottom end of the central rod 21 and cooperating with the inner wall of the bottom pipe of the hopper 11. The hopper 11 is equipped with a driving component for driving the central rod 21 to rotate. The driving source 23 is fixed on the hopper 11 through a support frame 24, and drives the central rod 21 to drive the spiral blade 22 to rotate. The spiral helix angle of the spiral blade is used to continuously and evenly push the raw material at the bottom of the hopper 11 toward the guiding mechanism to achieve quantitative conveying.

[0033] The scraping mechanism 3 includes a toothed ring 31 and a scraper 32 connected to the bottom of the toothed ring 31 and slidingly engaged with the inner wall of the hopper 11. The toothed ring 31 is rotatably connected to the top of the hopper 11.

[0034] The guiding mechanism 4 includes a guide seat 41, on which a discharge hole 42 corresponding to the bottom opening of the hopper 11 is provided, and the sleeve plate 12 is slidably disposed on the guide seat 41; the guide seat 41 provides sliding support for the sleeve plate 12; furthermore, the discharge hole 42 is provided in two sets, one set of discharge holes 42 can correspond to the feeding port of the heating and feeding component of the injection molding machine, and the other set of discharge holes 42 can be used for the subsequent discharge of excess raw materials from the hopper 11;

[0035] The frame 5 includes a frame body 51 and an adjusting member connected to the frame body 51 for adjusting the sliding position of the adjusting sleeve 12 on the guide seat 41. The top of the frame body 51 is connected to a rack 52 that meshes with the toothed ring 31. The toothed ring 31 meshes with the rack 52 of the frame 5. When the hopper 11 moves with the adjusting member, the toothed ring 31 rolls along the rack 52 and drives the scraper 32 to rotate. The scraper 32 slides against the inner wall of the hopper 11 to scrape off the attached raw materials and avoid waste due to sticking to the wall.

[0036] Please see Figure 3 The driving component includes a support frame 24 and a driving source 23 mounted on the top of the support frame 24. The support frame 24 is mounted on the hopper 11, and the bottom end of the support frame 24 is connected to the top of the sleeve plate 12. The power output end of the driving source 23 is connected to the center rod 21.

[0037] Please see Figure 4 and 5 The scraping mechanism 3 also includes a collar 33 rotatably sleeved on the central rod 21. The collar 33 is connected to the scraper 32 through a support rod 34. The collar 33 and the support rod 34 are used to fix the scraper 32, ensure rotational stability, and at the same time stir the raw material in the middle to prevent the raw material from accumulating and becoming loose.

[0038] Please see Figure 3 The top of the hopper 11 is equipped with a protective cover for protecting the toothed ring 31. The protective cover has a notch on the side near the frame 51. Specifically, the protective cover can protect the toothed ring 31.

[0039] Furthermore, the top of the hopper 11 is connected to a limiting ring, and the bottom of the toothed ring 31 is provided with an annular groove that slides with the limiting ring; specifically, the toothed ring 31 can rotate stably.

[0040] Please see Figure 2 The adjusting component includes a positioning frame 53 and a hydraulic telescopic rod 54 mounted on the positioning frame 53. The positioning frame 53 is mounted on the frame body 51. The piston rod at the power output end of the hydraulic telescopic rod 54 is connected to one side of the hopper 11. The hydraulic telescopic rod 54 drives the hopper 11 to move the sleeve plate 12 to slide on the guide seat 41, adjusting the relative position of the hopper and the discharge hole to adapt to different feeding requirements.

[0041] The working principle of this utility model is as follows: the raw material is first stored in the hopper 11, the hydraulic telescopic rod 54 drives the hopper 11 to slide the sleeve plate 12 on the guide seat 41, and adjusts the relative position of the bottom end of the hopper and the discharge hole 42. The drive source 23 drives the central rod 21 and the spiral blade 22 to rotate, and pushes the raw material at the bottom of the hopper 11 evenly to the discharge hole 42 to complete the conveying. After the conveying is completed, the hopper 11 can be moved to be offset from the discharge hole 42 to avoid the hot air entering the hopper 11 during the subsequent heating treatment of the raw material and causing the raw material to clump. At the same time, when the hopper 11 moves, the toothed ring 31 meshes with the rack 52 of the frame and rolls, the support rod 34 and the scraper 32 rotate to scrape off the raw material attached to the inner wall of the hopper 11, prevent local accumulation and compaction, and improve the feeding accuracy.

[0042] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A raw material quantitative feeding device, characterized in that, include The storage mechanism (1) includes a hopper (11) and a sleeve (12) connected to the bottom of the hopper (11); The feeding mechanism (2) includes a central rod (21) and a spiral blade (22) connected to the bottom end of the central rod (21) and cooperating with the inner wall of the bottom pipe of the hopper (11). The hopper (11) is equipped with a driving component for driving the central rod (21) to rotate. The scraping mechanism (3) includes a toothed ring (31) and a scraper (32) connected to the bottom of the toothed ring (31) and slidingly engaged with the inner wall of the hopper (11). The toothed ring (31) is rotatably connected to the top of the hopper (11). The guiding mechanism (4) includes a guide seat (41) having a discharge hole (42) corresponding to the bottom opening of the hopper (11), and the sleeve (12) being slidably disposed on the guide seat (41); and The frame (5) includes a frame (51) and an adjusting member connected to the frame (51) for adjusting the position of the adjusting sleeve (12) on the guide seat (41). The top of the frame (51) is connected to a rack (52) that meshes with a toothed ring (31).

2. The raw material quantitative feeding device according to claim 1, characterized in that: The driving component includes a support frame (24) and a driving source (23) mounted on the top of the support frame (24). The support frame (24) is mounted on the hopper (11), and the bottom end of the support frame (24) is connected to the top of the sleeve plate (12). The power output end of the driving source (23) is connected to the center rod (21).

3. The raw material quantitative feeding device according to claim 1, characterized in that: The scraping mechanism (3) further includes a collar (33) rotatably sleeved on the central rod (21), and the collar (33) is connected to the scraper (32) through the support rod (34).

4. The raw material quantitative feeding device according to claim 1, characterized in that: The top of the hopper (11) is equipped with a protective cover for protecting the toothed ring (31), and the protective cover has a notch on the side near the frame (51).

5. The raw material quantitative feeding device according to claim 4, characterized in that: The top of the hopper (11) is connected to a limiting ring, and the bottom of the toothed ring (31) is provided with an annular groove that slides with the limiting ring.

6. The raw material quantitative feeding device according to claim 1, characterized in that: The adjusting component includes a positioning frame (53) and a hydraulic telescopic rod (54) mounted on the positioning frame (53). The positioning frame (53) is mounted on the frame body (51), and the piston rod at the power output end of the hydraulic telescopic rod (54) is connected to one side of the hopper (11).

7. The raw material quantitative feeding device according to claim 1, characterized in that: The discharge hole (42) is provided in two sets.

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