Sand mixer convenient for sampling and used for mechanical casting

By designing a drive roller and sampling structure on the sand mixer, the problem of needing to stop the machine for sampling in existing sand mixers has been solved, realizing convenient sampling without stopping the machine, ensuring uniform mixing and reducing scrap rate, and improving sampling efficiency.

CN224058643UActive Publication Date: 2026-03-31DASHIQIAO ZHONGNING METALLURGY & MINING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing sand mixers require stopping operation during sampling, which affects randomness and makes it difficult to guarantee mixing efficiency and uniformity.

Method used

A sand mixer for mechanical casting that facilitates sampling was designed. The motor drives the grinding wheel to rotate via a drive roller. Combined with the installation and sampling structures, random sampling can be achieved without stopping the machine, ensuring uniform mixing and reducing scrap rate.

Benefits of technology

It enables convenient sampling during equipment operation, ensures uniform mixing, reduces scrap rate, avoids downtime caused by manual operation, and improves sampling randomness and efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224058643U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of casting molding, in particular to a mechanical casting sand mixer convenient for sampling, which comprises a sand mixer shell, a driving roller is rotatably assembled on the inner wall of the sand mixer shell, the lower end of the driving roller is connected with a motor through a speed reducer, grinding wheels are symmetrically assembled on two side walls of the driving roller, and the grinding wheels are connected with the motor through a speed reducer. One end of the side wall of the driving roller is connected with a sampling structure through a mounting structure, through the arrangement of the sampling structure, the driving roller can rotate along with the driving roller, the sampling comprehensiveness is guaranteed, meanwhile, the driving roller can also rotate for sampling, sand samples are periodically extracted from a mixing area, the sand material proportion (such as adhesive content and humidity) is detected, and it is guaranteed that the mixing uniformity meets the technological standard; meanwhile, the rotary sampling component working along with the equipment can effectively avoid manual operation and shutdown in the sampling process, and the sampling effect is ensured while the sampling randomness is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to foundry molding technical field, concretely relates to a kind of sand mixer for mechanical casting with convenient sampling. BACKGROUND

[0002] Sand mixer is a kind of mixing equipment widely used in foundry, building, chemical industry etc., mainly for uniformly mixing sand, binder and other additives to prepare molding sand or core sand, drum-type sand mixer and mill wheel type sand mixer become mainstream, mixing is realized by mechanical rolling and stirring, modern sand mixer is driven by motor, combined with high-efficiency stirring mechanism (such as blade, spiral or mill wheel), which significantly improves mixing efficiency and uniformity, existing sand mixer needs random sampling during use, stop operation, which affects randomness. SUMMARY

[0003] The utility model aims at providing a kind of sand mixer for mechanical casting with convenient sampling to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of sand mixer for mechanical casting with convenient sampling, including sand mixer shell, the inner wall of sand mixer shell is rotationally equipped with drive roller, the lower end of drive roller is connected with motor by speed reducer, the two side walls of drive roller are symmetrically equipped with mill wheel, and the side wall one end of drive roller is connected with sampling structure by mounting structure.

[0005] Preferably, the mounting structure includes a clamping groove body, the clamping groove body is fixedly assembled to the side wall of the drive roller, clamping grooves are formed on the two sides of the clamping groove body, a support is connected to the inner wall of the clamping groove body, clamping rods are fixedly assembled to the two sides of the support, the clamping rods are connected to the clamping grooves on the two sides of the clamping groove body, a strip-shaped groove is formed through the inner wall of the support, and the sampling structure is assembled to the inner wall of the strip-shaped groove.

[0006] Preferably, the sampling structure includes a connecting rod, the connecting rod is inserted into the mounting structure, a limiting plate is fixedly assembled to the outer wall of the connecting rod, the limiting plate is attached to the lower side of the mounting structure, a screw is screwed to the inner wall of the connecting rod, the screw is attached to the upper side of the mounting structure, a motor is fixedly assembled to the lower end of the connecting rod, a rotating shaft is fixedly assembled to the lower end of the motor shaft of the motor, and a sampling groove body is fixedly assembled to the side wall of the rotating shaft.

[0007] Preferably, a wedge-shaped block is fixedly assembled to the lower end of the side wall of the sampling groove body.

[0008] Preferably, it further includes a scraping structure, the scraping structure is fixedly assembled to the side wall of the mounting structure, and the outer end of the scraping structure is attached to the inner wall of the sand mixer shell.

[0009] Preferably, the scraping structure comprises a crossbar, one end of the crossbar is connected with the mounting structure, and the other end of the crossbar is connected with a scraper through a screw.

[0010] Compared with the prior art, the beneficial effects of the utility model are that the driving roller is connected with the motor through the speed reducer, can drive the grinding wheel to stably rotate to carry out the sand mixing work, the sampling structure is connected through the mounting structure, ensures that the sampling structure is convenient and fast to disassemble and install, can also slightly adjust the working position of the sampling structure, ensures that the sampling structure has a wide application range, through the setting of the sampling structure, the comprehensive sampling can be ensured along with the rotation of the driving roller, the sampling itself can also rotate, the sand sample is periodically extracted from the mixing area, the sand material ratio (such as the binder content and humidity) is detected, the mixing uniformity is ensured to meet the process standard, the waste rate is reduced, and the rotation sampling component along with the equipment work can effectively avoid manual operation, avoid stopping during the sampling process, ensure the randomness of sampling and the sampling effect. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structure three-dimensional schematic view of the utility model;

[0012] Figure 2 It is a three-dimensional schematic view of the internal part component of the utility model;

[0013] Figure 3 It is Figure 2 It is an enlarged schematic view of structure in A of the utility model;

[0014] Figure 4 It is a three-dimensional sectional view of the sampling structure;

[0015] Figure 5 It is Figure 4 It is an enlarged schematic view of structure in B of the utility model.

[0016] In the drawing: 1-mixing sand machine shell, 2-driving roller, 3-grinding wheel, 4-mounting structure, 41-slot body, 42-branch, 43-rod, 44-strip slot, 5-sampling structure, 51-screw, 52-link, 53-limiting plate, 54-motor, 55-rotating shaft, 56-sampling groove body, 57-wedge block, 6-scraping structure, 61-crossbar, 62-scraping plate. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. 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.

[0018] Referring to Figures 1-5 The utility model provides a kind of convenient sampling mechanical foundry sand mixer, including sand mixer shell 1, the inner wall of sand mixer shell 1 is rotationally equipped with driving roller 2, the lower end of driving roller 2 is connected with motor by speed reducer, the two side walls of driving roller 2 are symmetrically equipped with mill wheel 3, and the side wall one end of driving roller 2 is connected with sampling structure 5 by mounting structure 4.

[0019] Driving roller 2 is connected with motor by speed reducer, can drive mill wheel 3 to rotate stably, carries out sand mixing work, and sampling structure 5 is connected by mounting structure 4, guarantees that sampling structure 5 is conveniently and quickly disassembled and installed, can also slightly adjust the working position of sampling structure 5 simultaneously, guarantees that the application range of sampling structure 5 is extensive, by the setting of sampling structure 5, can rotate along with driving roller 2, guarantees the comprehensiveness of sampling, and itself can also rotate sampling, periodically extracts sand sample from mixed area, detects sand ratio (such as binder content, humidity), ensures that mixed uniformity meets process standard, reduces scrap rate, and along with the rotation of sampling member of equipment work, can effectively avoid manual operation, avoids shutdown in sampling process, guarantees the effect of sampling while guaranteeing randomness of sampling.

[0020] Mounting structure 4 includes clamping groove body 41, and clamping groove body 41 is fixedly equipped in the side wall of driving roller 2, and clamping groove body 41 is provided with clamping groove on both sides, and clamping groove body 41 is provided with support 42 in the inner wall, and support 42 is fixedly equipped with clamping rod 43 on both sides, and clamping rod 43 is clamped in the clamping groove of both sides of clamping groove body 41, and the inner wall of support 42 is provided with strip slot 44, and sampling structure 5 is equipped in the inner wall of strip slot 44.

[0021] When sampling structure 5 needs to be installed, first, sampling structure 5 is installed in strip slot 44, and the working position (i.e. the position in strip slot 44) is determined, and then support 42 is clamped in clamping groove body 41, and clamping rod 43 on both sides is clamped in the clamping groove, and assembly is completed.

[0022] Sampling structure 5 includes connecting rod 52, and connecting rod 52 is inserted into mounting structure 4, and connecting rod 52 is fixedly equipped with limit plate 53 on the outer wall, and limit plate 53 is attached to the lower side of mounting structure 4, and connecting rod 52 is screwed with screw 51 in the inner wall, and screw 51 is attached to the upper side of mounting structure 4, and motor 54 is fixedly equipped on the lower end of connecting rod 52, and motor shaft 55 is fixedly equipped on the lower end of motor 54, and sampling groove body 56 is fixedly equipped on the side wall of motor shaft 55.

[0023] The lower end of the side wall of sampling groove body 56 is fixedly equipped with wedge block 57.

[0024] When the sampling structure 5 is installed, first, the connecting rod 52 is inserted into the strip-shaped groove 44 of the mounting structure 4 from below, and the limiting plate 53 is attached to the lower side of the support 42, and the screw 51 is rotated and deeply inserted into the connecting rod 52 and closely attached to the upper end of the support 42, and the screws 51 on the upper and lower sides and the limiting plate 53 are clamped and fixed on both sides of the support 42, so as to ensure the installation effect; when sampling, the motor 54 is started, the sampling groove body 56 is driven to rotate through the rotating shaft 55, and the raw materials are sampled; meanwhile, the wedge-shaped block 57 is arranged to limit the sampled sample and prevent the sample from leaking out.

[0025] The scraping structure 6 is fixedly assembled to the side wall of the mounting structure 4, and the outer side end of the scraping structure 6 is attached to the inner wall of the sand mixing machine shell 1.

[0026] The scraping structure 6 comprises a horizontal rod 61, one end of the horizontal rod 61 is connected with the mounting structure 4, and the other end of the horizontal rod 61 is connected with a scraper 62 through a screw, and the outer side end of the scraper 62 is attached to the inner wall of the sand mixing machine shell 1.

[0027] The horizontal rod 61 is connected with the scraper 62 through a screw, so that the scraper 62 can be conveniently and quickly replaced, and the convenience of replacement is ensured; and the scraper 62 can effectively scrape the raw materials attached to the inner wall of the sand mixing machine shell 1, and the cleaning effect is ensured.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A mechanical casting sand muller that facilitates sampling, characterized by: The mixing mill shell (1) is provided with a drive roller (2) rotatably assembled on the inner wall of the mixing mill shell (1), the lower end of the drive roller (2) is connected with a motor through a speed reducer, the two side walls of the drive roller (2) are symmetrically provided with a mill roller (3), and one end of the side wall of the drive roller (2) is connected with a sampling structure (5) through a mounting structure (4).

2. A mechanical casting sand muller for facilitating sampling according to claim 1, characterized in that: The mounting structure (4) comprises a clamping groove body (41) fixedly assembled on the side wall of the drive roller (2), clamping grooves are formed in the two sides of the clamping groove body (41), a supporting table (42) is clamped on the inner wall of the clamping groove body (41), clamping rods (43) are fixedly assembled on the two sides of the supporting table (42) and clamped in the clamping grooves in the two sides of the clamping groove body (41), a strip-shaped groove (44) is formed in the inner wall of the supporting table (42), and the sampling structure (5) is assembled on the inner wall of the strip-shaped groove (44).

3. A mechanical casting sand muller for facilitating sampling according to claim 1, characterized in that: The sampling structure (5) comprises a connecting rod (52) inserted into the mounting structure (4), a limiting plate (53) is fixedly assembled on the outer wall of the connecting rod (52) and attached to the lower side of the mounting structure (4), a screw (51) is screwed on the inner wall of the connecting rod (52) and attached to the upper side of the mounting structure (4), a motor (54) is fixedly assembled on the lower end of the connecting rod (52), a rotating shaft (55) is fixedly assembled on the motor shaft of the motor (54), and a sampling groove body (56) is fixedly assembled on the side wall of the rotating shaft (55).

4. A mechanical casting sand muller for facilitating sampling according to claim 3, characterized in that: The sampling groove body (56) is fixedly provided with a wedge block (57) on the lower end of the side wall.

5. A mechanical casting sand muller for facilitating sampling according to claim 1, characterized in that: The scraping structure (6) is fixedly assembled on the side wall of the mounting structure (4) and attached to the inner wall of the mixing mill shell (1).

6. A mechanical casting sand muller for facilitating sampling according to claim 5, characterized in that: The scraping structure (6) comprises a horizontal rod (61) connected with the mounting structure (4) at one end, a scraper (62) connected with the horizontal rod (61) at the other end through a screw, and the outer end of the scraper (62) is attached to the inner wall of the mixing mill shell (1).