Movable hopper assembly for injection molding machine

By designing a movable hopper assembly, the problem of tedious and time-consuming hopper cleaning in traditional injection molding machines is solved, enabling rapid cleaning and efficient material discharge, thereby reducing labor intensity and production costs.

CN223849811UActive Publication Date: 2026-01-30子钦医疗器械(重庆)股份有限公司
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Patent Information

Application Number
CN202520325058.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-01-30
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

Traditional injection molding machine hopper cleaning is tedious, time-consuming, and inefficient. Manual cleaning is not thorough, affecting injection molding quality and increasing labor intensity. Existing auxiliary devices have complex structures and poor applicability.

Method used

Design a movable hopper assembly, including a sliding track, an agitator, and a limiting component. The hopper moves quickly and discharges materials through sliding and agitation. Combined with an inclined discharge pipe and a rubber pad for fixation, the material falls smoothly.

Benefits of technology

It enables rapid movement and cleaning of the hopper, avoids material bridging and jamming, reduces labor intensity and production costs, and improves cleaning efficiency and equipment applicability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a movable hopper component for an injection molding machine, which comprises a sliding track, a first blanking port and a second blanking port are arranged on the sliding track, a discharge pipe is fixed in the first blanking port, a movable groove is arranged on the upper area of the discharge pipe, a receding groove is arranged at the first end of the sliding track, and the second blanking port is arranged at the second end of the sliding track. A stirring rod penetrates through the receding groove and the movable groove and is rotationally connected to the side wall of the discharging pipe, and a swing plate is fixed to the lower portion of the stirring rod. The sliding seat is connected to the sliding rail in a sliding manner; the hopper is fixedly connected to the sliding seat; the positioning assembly is used for positioning the sliding seat; the device further comprises a first limiting component and a second limiting component, the first limiting component is located at the first end of the sliding rail, and the second limiting component is located at the second end of the sliding rail. The movable hopper assembly is simple in structure and can move after injection molding is completed, so that discharging is convenient, and meanwhile, when materials are bridged and clamped during discharging, the materials can be stirred quickly and fall down smoothly.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding field especially relates to a movable hopper subassembly for injection molding machine. BACKGROUND

[0002] In the production process of injection molding machine, the cleaning of the hopper has always been a thorny problem. The hopper of the traditional injection molding machine is usually fixed on the equipment, and after the injection molding is completed, the remaining material is left in the hopper, and the cleaning work is not only tedious and time-consuming, but also easy to cause material waste or equipment damage due to improper operation. The common cleaning method at present is manual cleaning, which is low in efficiency and incomplete in cleaning, and the remaining material may affect the quality and efficiency of the next injection molding. In addition, frequent manual operation also increases the labor intensity and production cost. Although there are some auxiliary cleaning devices on the market, most of them have complex structure, high installation and maintenance cost, and cannot well adapt to injection molding machines and hoppers of different specifications, so the applicability is poor. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model provides a movable hopper subassembly for injection molding machine, which is simple in structure, can be moved after injection molding is completed, thereby facilitating material discharge, and can also quickly stir the material to make it fall smoothly if the material is bridged and stuck during discharge.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme: a movable hopper subassembly for injection molding machine, comprising:

[0005] A sliding rail is provided with a first discharge port and a second discharge port, a discharge pipe is fixed in the first discharge port, an active slot is formed in the upper region of the discharge pipe, a let -alone slot is formed in the first end of the sliding rail, an agitating rod penetrates through the let -alone slot and the active slot and is rotationally connected to the side wall of the discharge pipe, and a swing plate is fixed below the agitating rod;

[0006] A sliding seat is slidably connected to the sliding rail;

[0007] A hopper is fixedly connected to the sliding seat;

[0008] A positioning assembly is used to position the sliding seat;

[0009] Further, the end of the discharge pipe is inclined.

[0010] Further, the end of the discharge pipe is inclined.

[0011] Furthermore, a rubber pad is fixed to the outer wall of the discharge pipe, and an installation hole is opened on the rubber pad. The rubber pad passes through the relief groove. The first limiting member is a threaded rod, which is threadedly connected to the sliding track and passes through the installation hole of the rubber pad.

[0012] Furthermore, the second limiting member consists of a first protrusion and a second protrusion on both sides of the second end of the sliding track.

[0013] Furthermore, the positioning component includes a fixed support portion on the sliding seat, a positioning pin movably connected to the support portion, the positioning pin having a threaded portion, a first threaded hole being provided on the side of the sliding track, and a second threaded hole being provided in the second protrusion.

[0014] Furthermore, tightening discs are fixed on both the threaded rod and the locating pin.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The movable hopper assembly has a simple structure and can be moved after injection molding to facilitate material discharge. At the same time, if the material gets stuck during discharge, it can be quickly agitated by rotating the stirring rod to ensure it falls smoothly.

[0017] 2. The discharge pipe can be fixed directly through the mounting holes on the rubber pad, so that the material in the hopper can be discharged along the inclined direction of the discharge pipe. At the same time, the discharge pipe can also be quickly installed and disassembled.

[0018] 3. The first and second limiting components ensure that the hopper will not come off the sliding track during movement. In addition, the first and second threaded holes prevent the hopper from shifting during material discharge and cleaning in the injection molding machine. Attached Figure Description

[0019] Figure 1 This is a structural diagram of the present invention;

[0020] Figure 2 This is a structural diagram from another direction of the present invention;

[0021] Figure 3 This utility model Figure 1 Enlarged view of section A;

[0022] Figure 4 This utility model Figure 2 Enlarged view of section B;

[0023] Figure 5 This is a structural diagram of the positioning pin of this utility model;

[0024] Figure 6 The utility model discloses a structure diagram of the discharge pipe.

[0025] In the figure: 1, sliding rail; 2, first material outlet; 3, second material outlet; 4, discharge pipe; 5, movable slot; 6, let -alone slot; 7, swing board; 8, sliding seat; 9, rubber pad; 10, mounting hole; 11, threaded rod; 12, first protruding; 13, second protruding; 14, positioning pin; 15, threaded portion; 16, first threaded hole; 17, second threaded hole; 18, hopper; 19, pointing rod; 20, stirring rod; DETAILED DESCRIPTION

[0026] The technical scheme in the utility model is further explained below in connection with the drawings and examples.

[0027] As Figures 1 to 6 The utility model discloses a movable hopper assembly for injection molding machine, including:

[0028] A sliding rail 1 is provided with first material outlet 2 and second material outlet 3 on the sliding rail 1, the second material outlet 3 is fixed with discharge pipe 4, the upper area of discharge pipe 4 is provided with movable slot 5, the first end of sliding rail is provided with let -alone slot 6, and stirring rod 20 passes through let -alone slot 6 and movable slot 5 and is rotationally connected to the side wall of discharge pipe 4, and swing board 7 is fixed below stirring rod 20;

[0029] A sliding seat 8 is slidably connected to the sliding rail 1.

[0030] A hopper 18 is fixedly connected to the sliding seat 8.

[0031] A positioning assembly is used to position the sliding seat 8.

[0032] Further, the first limiting member is located at the first end of the sliding rail 1, and the second limiting member is located at the second end of the sliding rail 1.

[0033] Further, the end of the discharge pipe 4 is inclinedly arranged.

[0034] The utility model discloses a movable hopper 18 component is connected on injection molding machine in the process of using, specifically, make the first blanking port 2 of sliding track 1 be located above the heating bin of injection molding machine, and through the positioning assembly, the hopper 18 is positioned, in the process of injection, material is loaded into the hopper 18, and the material falls into the injection molding bin of injection molding machine through the discharge gate of hopper 18 and the second discharge gate of sliding track 1, because injection molding machine produces vibration when working, and the material particle of injection molding machine is smaller, so bridge state is not formed, therefore, the material can smoothly fall down, when injection is completed, need to clean the material in the hopper 18, at this time, can first unlock the positioning assembly, when the positioning assembly is unlocked, move the sliding seat 8 to the first blanking port 2 (wherein the lower surface of the discharge gate of hopper and the upper surface of sliding track contact and slide, ensure that the material will not fall on the surface of sliding track), through the effect of first limiting member and second limiting member, ensure that the sliding seat will not slide out, at this time, the swing plate 7 on the stirring rod 20 is under the action of gravity in vertical state, then again through the positioning assembly, the hopper 18 is positioned, at this time, the residual material in the hopper 18 falls from the second blanking port 3 and is discharged downward through the discharge pipe 4, thereby realizing the cleaning of material, at this time, because injection molding machine is in downtime, the material in the hopper 18 is not vibrated, possibly in bridge state, when in bridge state, the material will not fall down, at this time, through the stirring of stirring rod 20, specifically, rotates the stirring rod 20, and the swing plate 7 below it starts to rotate, breaks the bridge state, thereby making the material smoothly fall down. In addition, a vertical pointing rod 19 can be arranged at the end of the stirring rod 20, which is parallel to the swing plate 7, so that when the pointing rod 19 is vertical, the swing plate 7 is also in a vertical state, facilitating the falling of the material.

[0035] Further, the end of the discharge pipe 4 is inclined. By inclining the end of the discharge pipe 4, the material can be quickly and completely discharged from the hopper 18 to the designated position, avoiding the problems of blockage and waste caused by residual material, and further optimizing the discharge process.

[0036] Further, the outer wall of the discharge pipe 4 is further fixed with a rubber pad 9, an installation hole 10 is formed in the rubber pad 9, the rubber pad 9 passes through the movable slot 5 and the accommodation slot 6, the first limiting member is a threaded rod 11, and the threaded rod 11 is threadedly connected in the sliding track 1 and passes through the installation hole 10 of the rubber pad 9. Specifically, the pipe body of the discharge pipe 4 of the utility model is in the first blanking port 2 of the sliding track 1, so that the discharge pipe 4 can only move vertically, and then the first limiting member passes through the installation hole 10 of the rubber pad 9, so that the discharge pipe 4 is also positioned in the vertical direction. The first limiting member not only limits the sliding of the sliding seat, but also positions the rubber pad.

[0037] Further, the second limiting member is a first protrusion 12 and a second protrusion 13 arranged on both sides of the second end of the sliding rail 1. Through the arrangement of the second limiting member, the sliding seat 8 can not be detached from the sliding rail 1 when sliding, and the protrusion structure is easy to process and install, thereby reducing the manufacturing cost of the equipment.

[0038] Further, the positioning assembly comprises a supporting part fixed on the sliding seat 8, and a positioning pin 14 is movably connected in the supporting part, the positioning pin 14 has a threaded part 15, a first threaded hole 16 is arranged on the side of the sliding rail 1, and a second threaded hole 17 is arranged in the second protrusion 13. Specifically, the positioning assembly of the utility model is positioned by the positioning pin 14 on the supporting part, when the injection molding machine works, the positioning pin 14 on the supporting part is screw-connected in the second threaded hole 17, thereby realizing the positioning of the hopper 18, and when the hopper 18 is cleaned, the positioning pin 14 on the supporting part is screw-connected in the first threaded hole 16, thereby realizing the positioning of the hopper 18.

[0039] Further, the threaded rod 11 and the positioning pin 14 are both fixed with a tightening disc. Through the fixing of the tightening disc on the positioning pin 14, the operator can directly operate the threaded rod 11 without the need of special tools.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model and are not limited. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the utility model, and all should be covered in the scope of the claims of the utility model.

Claims

1. A movable hopper assembly for an injection molding machine, characterized by, Include: A sliding rail, a first blanking opening and a second blanking opening are opened on the sliding rail, a discharge pipe is fixed in the second blanking opening, an activity slot is opened in the upper area of the discharge pipe, a first end of the sliding rail is provided with a let slot, an agitator rod passes through the let slot and the activity slot and is rotationally connected to the side wall of the discharge pipe, a swing plate is fixed below the agitator rod; A sliding seat, the sliding seat is slidably connected to the sliding rail; A hopper, the hopper is fixedly connected to the sliding seat; A positioning assembly is used to position the sliding seat; It also includes a first limiting member and a second limiting member, the first limiting member is located at the first end of the sliding rail, and the second limiting member is located at the second end of the sliding rail.

2. A movable hopper assembly for an injection molding machine as defined in claim 1, wherein: The end of the discharge pipe is inclinedly arranged.

3. A movable hopper assembly for an injection molding machine as defined in claim 2, wherein: The outer wall of the discharge pipe is further fixed with a rubber pad, the rubber pad is provided with a mounting hole, the rubber pad passes through the let slot, the first limiting member is a threaded rod, the threaded rod is threadedly connected in the sliding rail and passes through the mounting hole of the rubber pad.

4. A movable hopper assembly for an injection molding machine as defined in claim 3, wherein: The second limiting member is a first protrusion and a second protrusion arranged on both sides of the second end of the sliding rail.

5. A movable hopper assembly for an injection molding machine as defined in claim 4, wherein: The positioning assembly includes a support part fixed on the sliding seat, a positioning pin movably connected in the support part, the positioning pin has a threaded part, a first threaded hole is opened on the side surface of the sliding rail, and a second threaded hole is arranged in the second protrusion.

6. A movable hopper assembly for an injection molding machine as defined in claim 5, wherein: The threaded rod and the positioning pin are both fixed with a tightening disc.