Feeding structure of double-roller sand making equipment

By designing the movable hopper and positioning frame structure in the feeding assembly, the problem of material accumulation during feeding of the roller sand making equipment was solved, achieving uniform feeding and a stable sand making process, thus improving the quality of the sand.

CN223945828UActive Publication Date: 2026-02-27ZHEJIANG FENJIN CONSTRUCTION CO LTD
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Patent Information

Application Number
CN202520318548.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2026-02-27
Estimated Expiration
2035-02-26

AI Technical Summary

Technical Problem

Existing double-roll sand making equipment is prone to raw material accumulation during feeding, which affects the quality of sand.

Method used

Design a feeding structure that includes a feeding component, using a movable hopper and positioning frame in conjunction with a rotating wheel to achieve uniform material feeding and seal the discharge port when accumulating, thus preventing raw material accumulation.

Benefits of technology

It achieves uniform feeding of sand-making raw materials, avoids accumulation, and maintains the stability and quality of the sand-making process.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223945828U_ABST
    Figure CN223945828U_ABST
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Abstract

The utility model belongs to the technical field of sand making and feeding, and discloses a feeding structure of double-roller sand making equipment, which comprises a shell, double rollers are arranged in the shell, the top end of the shell further comprises a feeding assembly, and the feeding assembly comprises a feeding frame fixedly arranged at the top end of the shell. The feeding assembly comprises a feeding frame, a movable hopper is slidably arranged in the feeding frame, a protective frame is fixedly arranged on the outer side of the feeding frame, a driving motor is fixedly arranged on the right side of the protective frame, and a long screw penetrating through the movable hopper is fixedly arranged at the tail end of a main shaft of the driving motor. The sand-making raw materials can be uniformly discharged into different positions of the rollers, so that the sand-making raw materials are uniformly discharged to different roller regions for extrusion and crushing operation, and the situation that part of raw materials generated by accumulation of the sand-making raw materials are not treated and directly fall into a recovery structure, and the quality of sand-making finished products is affected is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to sand making feed technology field, specifically a kind of roll sand making equipment feed structure. BACKGROUND

[0002] Roll sand making equipment is mainly composed of two opposite rotating rollers, one or two rollers are driven by motor, when working, material falls between two rollers through feed opening, is broken into the sandstone of required granularity under the strong extrusion, shearing and grinding, the product after crushing is discharged from the gap in the lower part of two rollers. By adjusting the gap between two rollers, the granularity of discharge can be controlled.

[0003] Also disclosed (announced) as CN221360071U a kind of roll sand making machine roller body structure, belong to sand making machine equipment technical field, including roller skin, fixed roller core, cooperation roller core, roller skin is covered into fixed roller core and cooperation roller core, fixed roller core and cooperation roller core inner ring are equipped with coaxial shaft hole of same diameter, roller skin and fixed roller core and cooperation roller core connecting surface have roller skin contact surface, roller skin contact surface is the taper surface of diameter reducing from two ends to center, fixed roller core and cooperation roller core end face are equipped with a plurality of mutually matched through holes to insert counter-bolt;

[0004] The roll sand making machine roller body structure described above in use process, the roll feed structure used when sending sand, one will push all sand to the inside of roll sand making machine body, however, in the sand making process, when the same time adding raw material is too much, it leads to sand making raw material accumulation on the surface of roll, part of sand making raw material directly falls on the discharge structure below, and sand making raw material accumulation causes the quality reduction of sand making.

[0005] Therefore, aiming at the above problems, a kind of roll sand making equipment feed structure is provided. UTILITY MODEL CONTENT

[0006] To solve the problems presented in the above background art, the utility model provides a roll sand making equipment feed structure, with the advantages of slow discharging, maintaining the stability of roll equipment during sand making process, avoiding sand making raw material accumulation, and affecting sand making quality.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of roll sand making equipment feed structure, including shell, the inside of the shell is equipped with roll, the top of the shell still includes

[0008] The feeding assembly comprises a feeding frame fixedly arranged at the top end of the shell, a movable hopper slidably arranged in the feeding frame, a protective frame fixedly arranged outside the feeding frame, a driving motor fixedly arranged at the right side of the protective frame, a long screw rod fixedly arranged at the end of the main shaft of the driving motor and penetrating through the movable hopper, and a cross beam helically arranged outside the long screw rod and fixedly arranged with the movable hopper.

[0009] Preferably, the feeding frame is in communication with the shell, and the discharge port of the feeding frame is located at the middle position of the counter roller.

[0010] Preferably, the bottom of the movable hopper is triangular.

[0011] Preferably, the cross beam is helically arranged with fastening screws penetrating through the movable hopper at the inside of the periphery of the cross beam.

[0012] Preferably, the cross beam is fixedly arranged with a hydraulic driving arm at the outside of the cross beam, the end of the main shaft of the hydraulic driving arm is fixedly arranged with a connecting column, and the bottom end of the connecting column is fixedly arranged with a positioning frame slidably arranged with the discharge port of the movable hopper.

[0013] Preferably, the inside of the positioning frame is rotatably arranged with a rotating wheel, and the rotating wheel is made of stainless steel.

[0014] Preferably, the outside of the positioning frame is provided with a guide groove, and the inside of the guide groove is slidably arranged with a vertical rod fixedly arranged with the inner wall of the movable hopper.

[0015] Compared with the prior art, the utility model has the beneficial effects as follows:

[0016] 1、The movable hopper structure in the feeding assembly can uniformly feed the sand making raw materials into different positions of the counter roller, so that the sand making raw materials are uniformly fed into different counter roller areas for extrusion and crushing operation, and the part of the sand making raw materials which is not treated is avoided from directly falling into the recycling structure due to the accumulation of the sand making raw materials, thereby affecting the quality of the sand making finished product.

[0017] 2、The positioning frame cooperates with the rotating wheel structure, is lowered into the discharge port of the movable hopper, thereby forming the structure for closing the discharge port, and then when the sand making raw materials are accumulated, the discharge port of the movable hopper is closed, the feeding progress is reduced, and the processing progress of the counter roller on the sand making raw materials is maintained. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is an installation structure schematic view of the movable hopper of the utility model;

[0020] Figure 3 For the utility model Figure 1 The structure schematic view of A place;

[0021] Figure 4 It is the installation structure schematic view of the utility model positioning frame.

[0022] In the drawing: 1, shell;2, pair of rollers;

[0023] 3, feeding assembly;31, feeding frame;32, protective frame;33, drive motor;34, long screw;35, movable hopper;36, crossbeam;37, fastening screw;

[0024] 4, hydraulic drive arm;5, connecting column;6, positioning frame;7, runner;8, guide groove;9, vertical rod. Specific implementation

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] The embodiments will be described according to the overall structure of the utility model.

[0027] As Figures 1 to 4 Indicated, the utility model provides a kind of pair of rollers sand making equipment feed structure, including shell 1, the inside of shell 1 is equipped with pair of rollers 2, the roller body structure of pair of rollers 2 is located in the inside of shell 1, the driving connection end of pair of rollers 2 is equipped in the surface of shell 1, the top end of shell 1 also includes

[0028] Feeding assembly 3, feeding assembly 3 includes the feeding frame 31 of fixed setting in the top end of shell 1, movable hopper 35 is slidably arranged in the inside of feeding frame 31, movable hopper 35 moves constantly, can uniformly be scattered to the different positions of pair of rollers 2 by sand making raw materials, protective frame 32 is fixedly arranged on the outside of feeding frame 31, drive motor 33 is fixedly arranged on the right side of protective frame 32, long screw 34 is fixedly arranged at the main shaft end of drive motor 33 and penetrates movable hopper 35, crossbeam 36 is spirally arranged on the outside of long screw 34, and crossbeam 36 is fixedly arranged with movable hopper 35, drive motor 33 drives long screw 34 to drive crossbeam 36 and movable hopper 35 to move, changes the unloading orientation.

[0029] Further, the feeding frame 31 is communicated with the shell 1, and the discharge port of the feeding frame 31 is located at the middle position of the counter roller 2, the bottom of the movable hopper 35 is triangularly arranged, the movable hopper 35 is more concentrated in discharging through the triangular structure, and the fastening screws 37 penetrating through the movable hopper 35 are spirally arranged on the inside of the cross beam 36, and the cross beam 36 is positioned in the inside of the movable hopper 35 by using the fastening screws 37.

[0030] The outside of the cross beam 36 is fixedly provided with the hydraulic driving arm 4, the main shaft tail of the hydraulic driving arm 4 is fixedly provided with the connecting column 5, the bottom end of the connecting column 5 is fixedly provided with the positioning frame 6 which is slidingly arranged with the discharge port of the movable hopper 35, the inside of the positioning frame 6 is rotatably provided with the rotating wheel 7 which is made of stainless steel, the outside of the positioning frame 6 is provided with the guide groove 8, the inside of the guide groove 8 is slidingly provided with the vertical rod 9 which is fixedly arranged with the inner wall of the movable hopper 35, and the positioning frame 6 can stably slide up and down on the outside of the vertical rod 9 through the guide groove 8.

[0031] Among them, the counter roller 2, the driving motor 33 and the hydraulic driving arm 4 are prior art, and will not be described in detail; at the same time, the utility model still includes power supply, controller and switch, which is not the main technical point of the patent, and will not be described in detail. The wiring diagram of the motor in the utility model belongs to the common knowledge in the art, and its working principle is a well-known technology. Its model is selected according to actual use. Therefore, the control mode and wiring arrangement of the motor will not be explained in detail.

[0032] The working principle and process of the feeding structure of the counter roller sand making equipment:

[0033] When the sand making operation is performed, the sand making raw materials can be added to the inside of the feeding assembly 3 through the conveying structure, the sand making raw materials enter the inside of the movable hopper 35 of the feeding assembly 3, and are concentrated below through the movable hopper 35. In the process of discharging, the driving motor 33 outside the protection frame 32 works, the long screw rod 34 at the tail of the driving shaft works, the outside cross beam 36 and the movable hopper 35 move in the inside of the feeding frame 31, the discharge port of the movable hopper 35 can be driven to move left and right above the counter roller 2 in the shell 1, more uniform discharging operation is performed, the driving source outside is connected, the counter roller 2 in the shell 1 is controlled to rotate, so that the sand making raw materials are crushed at a uniform speed to be broken into standard sand, which is sent out by the discharge structure. When the sand making raw materials are accumulated above the counter roller 2, the outside hydraulic driving arm 4 can be controlled to work, the positioning frame 6 at the bottom end of the connecting column 5 is controlled to descend, the positioning frame 6 is stably descended on the outside of the vertical rod 9 through the guide groove 8, and the positioning frame 6 can be closed in the discharge port of the movable hopper 35 through the rotating structure of the rotating wheel 7 to stop discharging. After the counter roller 2 is processed, the discharging operation is performed.

[0034] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A feed structure for a pair of roll sand making plant comprising a housing (1) characterised in that: The inside of the shell (1) is provided with a roller (2), and the top end of the shell (1) further comprises A feeding assembly (3) is arranged at the top end of the shell (1), and the feeding assembly (3) comprises a feeding frame (31) fixedly arranged at the top end of the shell (1), a movable hopper (35) slidably arranged in the feeding frame (31), a protective frame (32) fixedly arranged at the outer side of the feeding frame (31), a driving motor (33) fixedly arranged at the right side of the protective frame (32), a long screw rod (34) fixedly arranged at the main shaft end of the driving motor (33) and penetrating through the movable hopper (35), and a cross beam (36) helically arranged at the outer side of the long screw rod (34) and fixedly arranged with the movable hopper (35).

2. A feed structure for a pair-roller sand production apparatus according to claim 1, characterized in that: The feeding frame (31) is communicated with the shell (1), and the discharge port of the feeding frame (31) is located at the middle position of the roller (2).

3. A feed structure for a pair-roller sand production apparatus according to claim 1, characterized in that: The bottom of the movable hopper (35) is triangular.

4. A feed structure for a pair-roller sand production apparatus according to claim 1, characterized in that: The inside of the cross beam (36) is helically provided with a fastening screw (37) penetrating through the movable hopper (35).

5. A feed structure for a pair-roller sand production apparatus according to claim 1, characterized in that: The outer side of the cross beam (36) is fixedly provided with a hydraulic driving arm (4), the main shaft end of the hydraulic driving arm (4) is fixedly provided with a connecting column (5), and the bottom end of the connecting column (5) is fixedly provided with a positioning frame (6) slidably arranged with the discharge port of the movable hopper (35).

6. A feed structure for a pair-roller sand production apparatus according to claim 5, wherein: The inside of the positioning frame (6) is rotatably provided with a rotating wheel (7), and the rotating wheel (7) is made of stainless steel.

7. A feed structure for a pair-roller sand production apparatus according to claim 5, wherein: The outer side of the positioning frame (6) is provided with a guide groove (8), and the inside of the guide groove (8) is slidably provided with a vertical rod (9) fixedly arranged with the inner wall of the movable hopper (35).

Citation Information

Patent Citations

  • Roller body structure of double-roller sand making machine

    CN221360071U