Lifting hopper for precast concrete processing

By setting a closing component at the input end of the spiral lifting bucket, the feed port is automatically closed, solving the problem of foreign matter entering the lifting cylinder and mixing tower, ensuring the normal operation of the equipment and concrete production.

CN223339712UActive Publication Date: 2025-09-16TANGSHAN ZHUCHAO NEW BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202422597632.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-09-16
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

The feed port of the existing spiral lifting hopper is open when not in use, causing foreign matter to enter the lifting cylinder and mixing tower, affecting the normal use of the equipment and concrete production.

Method used

A closing component is provided at the input end of the spiral lifting bucket, including a movable box and a plug plate. The feed port is automatically closed through the cooperation of the rebound part and the locking part to prevent foreign matter from entering.

Benefits of technology

Effectively isolate foreign matter from entering the lifting cylinder, ensure the normal operation of the equipment, and avoid affecting concrete production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lifting hopper for precast concrete processing, which comprises a fixing frame, a spiral lifting hopper is arranged at the top of the fixing frame, and the lifting hopper further comprises a feeding assembly and a discharging assembly, and the feeding assembly comprises a feeding hopper arranged at the input end of the spiral lifting hopper; the sealing assembly comprises a movable box arranged on the side of the feeding hopper, an inserting plate is arranged in the movable box, the end of the inserting plate is connected to the side of the feeding hopper in a penetrating and inserting mode, a springback part is arranged on the side of the movable box, and a locking part is arranged on the side of the top of the movable box; the sealing assembly is arranged on the outer side of the feeding hopper, the feeding port of the spiral lifting hopper is sealed through the movable inserting plate in the movable box in the sealing assembly, after the spiral lifting hopper stops working, the locking part is pulled to be unlocked, the springback part drives the inserting plate to enter the inner cavity of the feeding hopper, and therefore the feeding hopper is sealed. The feeding port of the spiral elevator hopper is isolated from the feeding hopper, so that foreign matters are prevented from entering the spiral elevator hopper to influence the subsequent use of the spiral elevator hopper.
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Description

Technical Field

[0001] The utility model relates to the technical field of lifting hoppers, in particular to a lifting hopper for precast concrete processing. Background Art

[0002] In the production and processing of precast concrete, a spiral lifting hopper is a commonly used device for conveying concrete raw materials to a mixing tower. The existing spiral lifting hopper design usually includes a feed port for receiving concrete raw materials and a lifting cylinder for conveying the raw materials upward through the rotation of a screw conveyor. However, when the existing spiral lifting hopper is not in use, its feed port is usually open and no closing device is provided. During the shutdown or maintenance of the hopper, this design makes it easy for foreign matter, such as small animals, to enter the lifting cylinder, resulting in affecting the normal rotation and use of the spiral lifting hopper at the next startup. Foreign matter will also enter the mixing tower, affecting the production and processing of concrete. Therefore, in order to solve this problem, a new type of lifting hopper for precast concrete processing is needed. Utility Model Content

[0003] The purpose of the utility model is to provide a lifting hopper for precast concrete processing to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solution: a lifting hopper for precast concrete processing, comprising a fixed frame, a spiral lifting hopper provided on the top of the fixed frame, and further comprising:

[0005] A feeding assembly is provided at the input end of the spiral lifting bucket, and the feeding assembly includes an upper hopper provided at the input end of the spiral lifting bucket;

[0006] A closing component is used to control the feeding of the upper hopper. The closing component includes a movable box arranged on the side of the upper hopper. A plug plate is provided inside the movable box. The end of the plug plate is inserted and connected to the side of the upper hopper. A rebound part for driving the plug plate to move is provided on the side of the movable box. A locking part for limiting the plug plate is provided on the top side of the movable box.

[0007] Preferably, the rebound part includes an insertion rod connected to the side of the movable box, the end of the insertion rod is fixedly connected to the side of the insertion plate, a compression spring is provided on the outside of the insertion rod and located inside the movable box, and a pressure ring is provided on the outside of the insertion rod and located on the opposite side of the insertion plate and the compression spring.

[0008] Preferably, a grip is provided at the end of the insertion rod and located outside the movable box.

[0009] Preferably, the locking portion includes a movable pin inserted and connected to the top side of the movable box, the movable pin is inserted and connected to the side of the plug board, and a reset member for driving the movable pin is provided on the outer side of the movable pin.

[0010] Preferably, a locking groove for inserting the inserting plate is provided on the side of the inserting plate, and an oblique cut is provided on the end of the movable pin for retracting the movable pin.

[0011] Preferably, the reset member comprises an elastic ring and a fixed ring sleeved on the outside of the movable pin, and the fixed ring is arranged on a side of the elastic ring close to the plug plate.

[0012] Preferably, the output end of the spiral lifting bucket is provided with a material discharge guide cover.

[0013] Preferably, the bottom end of the spiral lifting bucket is provided with an electric motor for driving the spiral lifting bucket to work.

[0014] Technical effects and advantages of this utility model:

[0015] The utility model provides a closing component on the outer side of the upper hopper at the input end of the spiral lifting hopper, and uses a plug plate moving in a movable box in the closing component to close the feed port of the spiral lifting hopper. When the spiral lifting hopper stops working, the locking part is pulled to unlock, and the rebound part drives the plug plate into the inner cavity of the upper hopper, thereby closing the upper hopper and isolating the feed port of the spiral lifting hopper from the upper hopper, thereby preventing foreign matter from entering the interior of the spiral lifting hopper and affecting the subsequent use of the spiral lifting hopper. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is one of the schematic structural diagrams of the entire utility model.

[0017] Figure 2 This is the second schematic diagram of the overall structure of the utility model.

[0018] Figure 3 It is a cross-sectional view of the closure assembly and the upper hopper of the utility model.

[0019] Figure 4 It is a cross-sectional view of the movable box of the utility model.

[0020] In the figure: 1. Fixed frame; 2. Screw lifting bucket; 3. Motor; 4. Unloading guide cover; 5. Loading hopper; 6. Closing assembly; 601. Movable box; 602. Insert plate; 6021. Locking groove; 603. Insert rod; 6031. Grip rod; 604. Pressing ring; 605. Compression spring; 606. Movable pin; 607. Elastic ring; 608. Fixed ring. DETAILED DESCRIPTION

[0021] 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.

[0022] The utility model provides Figure 1-4 The illustrated embodiment shows a lifting hopper for precast concrete processing, comprising a fixed frame 1, a spiral lifting hopper 2 being provided on the top of the fixed frame 1, and further comprising a feeding assembly and a closing assembly 6;

[0023] It should be noted that the bottom end of the spiral lifting bucket 2 is provided with a motor 3 for driving the spiral lifting bucket 2 to work, and the output end of the spiral lifting bucket 2 is provided with a material discharge guide cover 4. The spiral lifting bucket 2 lifts the raw materials for concrete processing into the processing device, and the material discharge guide cover 4 guides the raw materials to be discharged to avoid spillage during discharge.

[0024] Specifically, the overall reference model composed of the fixed frame 1, the spiral lifting bucket 2 and the motor 3 is the working principle of the 219 tube loader;

[0025] The feeding assembly is arranged at the input end of the spiral lifting bucket 2, and the feeding assembly includes an upper hopper 5 arranged at the input end of the spiral lifting bucket 2;

[0026] Specifically, the closing assembly 6 is used to control the feeding of the upper hopper 5. The closing assembly 6 includes a movable box 601 provided on the side of the upper hopper 5. An insert plate 602 is provided inside the movable box 601. The end of the insert plate 602 is inserted and connected to the side of the upper hopper 5.

[0027] It should be noted that the connection between the movable box 601 and the upper hopper 5 is fixed by welding, the inserting plate 602 is a rectangular plate, and the side of the upper hopper 5 is provided with a rectangular through hole for the inserting plate 602 to move through;

[0028] The side of the movable box 601 is provided with a rebound portion for driving the plug board 602 to move;

[0029] Specifically, the rebound portion includes an insertion rod 603 inserted and connected to the side of the movable box 601. The end of the insertion rod 603 is fixedly connected to the side of the insertion plate 602. A compression spring 605 is provided on the outside of the insertion rod 603 and located inside the movable box 601. A pressure ring 604 is provided on the outside of the insertion rod 603 and located on the side opposite to the insertion plate 602 and the compression spring 605.

[0030] It should be noted that a cylindrical hole for the insertion of the insertion rod 603 is opened on the side of the movable box 601, the insertion rod 603 is welded and fixed to the insertion plate 602, the compression spring 605 is sleeved on the outside of the insertion rod 603, and the middle part of the pressure ring 604 is glued and fixed to the outside of the insertion rod 603. The pressure ring 604 is used to squeeze the compression spring 605. When the insertion plate 602 is not inserted into the inner cavity of the upper hopper 5, the compression spring 605 is in a compressed state. A grip 6031 is provided at the end of the insertion rod 603 and located on the outside of the movable box 601. The grip 6031 is convenient for manual pulling.

[0031] The top side of the movable box 601 is provided with a locking portion for limiting the plug plate 602;

[0032] Specifically, the locking portion includes a movable pin 606 inserted and connected to the top side of the movable box 601. The movable pin 606 is inserted and connected to the side of the plug board 602. The side of the plug board 602 is provided with a locking groove 6021 for the plug board 602 to be inserted. The end of the movable pin 606 is provided with an oblique cut for the movable pin 606 to retract.

[0033] It should be noted that the oblique cutout is provided to facilitate the compression of the movable pin 606 by the inserting plate 602 when the inserting plate 602 retracts and resets, thereby preventing the movable pin 606 from obstructing the movement of the inserting plate 602. The locking groove 6021 is cylindrical and is used to fix the position of the inserting plate 602 by the movable pin 606.

[0034] A reset member for driving the movable pin 606 is provided on the outer side of the movable pin 606;

[0035] Specifically, the reset member includes an elastic ring 607 and a fixed ring 608 sleeved on the outside of the movable pin 606, and the fixed ring 608 is arranged on the side of the elastic ring 607 close to the plug plate 602;

[0036] It should be noted that a cylindrical hole is provided at the intersection of the movable pin 606 and the movable box 601. The elastic ring 607 and the fixed ring 608 are both provided inside the cylindrical hole. The middle portion of the fixed ring 608 is glued to the outer side of the movable pin 606. When the inserting plate 602 retracts and resets, the squeezed elastic ring 607, through the fixed ring 608, drives the movable pin 606 into the locking groove 6021 on the side of the inserting plate 602.

[0037] During actual use, a closing assembly 6 is provided on the outer side of the upper hopper 5 at the input end of the spiral lifting hopper 2, and the feed port of the spiral lifting hopper 2 is closed by using the movable insert plate 602 in the movable box 601 in the closing assembly 6. When the spiral lifting hopper 2 stops working, the movable pin 606 in the locking part is pulled to unlock the insert plate 602, and the compression spring 605 in the rebound part drives the insert plate 602 into the inner cavity of the upper hopper 5 through the pressure ring 604, thereby closing the upper hopper 5 and isolating the feed port of the spiral lifting hopper 2 from the upper hopper 5, thereby preventing foreign matter from entering the interior of the spiral lifting hopper 2 and affecting the subsequent rotation and use of the spiral lifting hopper 2, and also preventing foreign matter from entering the concrete mixing tower and affecting the production of concrete.

[0038] 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 lifting hopper for precast concrete processing, comprising a fixed frame (1), a spiral lifting hopper (2) being provided on the top of the fixed frame (1), characterized in that: Also includes: A feeding assembly, the feeding assembly being arranged at the input end of the spiral lifting bucket (2), the feeding assembly comprising an upper hopper (5) arranged at the input end of the spiral lifting bucket (2); A closing component (6) is used to control the feeding of the upper hopper (5), and the closing component (6) includes a movable box (601) arranged on the side of the upper hopper (5), an inserting plate (602) is arranged inside the movable box (601), and the end of the inserting plate (602) is inserted and connected to the side of the upper hopper (5), a rebound part for driving the inserting plate (602) to move is arranged on the side of the movable box (601), and a locking part for limiting the inserting plate (602) is arranged on the top side of the movable box (601).

2. A lifting hopper for precast concrete processing according to claim 1, characterized in that: The rebound portion includes an insertion rod (603) inserted and connected to the side of the movable box (601), the end of the insertion rod (603) is fixedly connected to the side of the insertion plate (602), a compression spring (605) is provided on the outside of the insertion rod (603) and located inside the movable box (601), and a pressure ring (604) is provided on the outside of the insertion rod (603) and located on the opposite side of the insertion plate (602) and the compression spring (605).

3. A lifting hopper for precast concrete processing according to claim 2, characterized in that: A gripping rod (6031) is provided at the end of the insertion rod (603) and located outside the movable box (601).

4. The lifting hopper for precast concrete processing according to claim 1, characterized in that: The locking portion includes a movable pin (606) inserted and connected to the top side of the movable box (601), the movable pin (606) is inserted and connected to the side of the plug board (602), and a reset member for driving the movable pin (606) is provided on the outer side of the movable pin (606).

5. The lifting hopper for precast concrete processing according to claim 4, characterized in that: The side of the inserting plate (602) is provided with a locking groove (6021) for the inserting plate (602) to be inserted, and the end of the movable pin (606) is provided with an oblique cut for the movable pin (606) to retract.

6. The lifting hopper for precast concrete processing according to claim 4, characterized in that: The reset member comprises an elastic ring (607) and a fixed ring (608) sleeved on the outside of the movable pin (606), and the fixed ring (608) is arranged on a side of the elastic ring (607) close to the plugging plate (602).

7. The lifting hopper for precast concrete processing according to claim 1, characterized in that: The output end of the spiral lifting bucket (2) is provided with a material discharge guide cover (4).

8. The lifting hopper for precast concrete processing according to claim 1, characterized in that: The bottom end of the spiral lifting bucket (2) is provided with an electric motor (3) for driving the spiral lifting bucket (2) to work.