Novel concrete stirrer
By combining the bidirectional mixing unit and the scraping unit, the problem of low mixing efficiency in existing concrete mixers is solved, and rapid mixing and thorough stirring of materials are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-22
- Publication Date
- 2026-03-24
AI Technical Summary
Existing concrete mixers have low mixing efficiency and require a long time to complete the mixing operation.
The design incorporates a combination of a bidirectional stirring unit and a scraping unit, including a drive mechanism, a drive shaft, a cross-shaped top seat, and first and second stirrers. Through the rotation of the bidirectional stirrer and the scraping action of the scraper, the material is stirred and scraped in both directions, avoiding dead zones in the stirring process.
It improves concrete mixing efficiency, achieves thorough mixing of materials, and shortens mixing time.
Smart Images

Figure CN224027991U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to concrete mixer technical field, concretely is a kind of novel concrete mixer. BACKGROUND
[0002] Concrete mixer is also called concrete mixer, it is a kind of cement, sand and gravel aggregate and water are mixed and mixed into concrete mixture mechanical.
[0003] The stirring of the material of the existing traditional concrete mixer is mostly one-way stirring, and the dispersion capacity of the material is low, and a long time is needed to complete the stirring operation, which needs to be further improved, and based on this, a new type of concrete mixer is provided. UTILITY MODEL CONTENT
[0004] The utility model aims at: in order to solve the problem in the above background, provide a kind of new concrete mixer.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of new concrete mixer, including the equipment main body of the stirring barrel, center cylinder, the center cylinder is fixed in the inner wall middle part of stirring barrel and penetrates to stirring barrel bottom, the bottom of stirring barrel and stirring barrel inside is provided with stirring assembly, the stirring assembly includes bidirectional stirring unit, scraping unit;
[0006] The bidirectional stirring unit realizes the bidirectional circumferential stirring of the material in the stirring barrel;
[0007] The scraping unit is used to realize the scraping operation of the material in the stirring barrel.
[0008] As a further scheme of the utility model: the bidirectional stirring unit includes driving mechanism, drive shaft, cross top seat, first stirrer, second stirrer;
[0009] The driving mechanism is fixedly installed on the bottom of the stirring barrel and connected with the bottom of the center cylinder, the drive shaft is fixed to the output end of the driving mechanism and penetrates the center cylinder to above the top of the center cylinder, and the cross top seat is fixed to the top end of the drive shaft.
[0010] The first stirrer and the second stirrer are respectively rotatably connected to the two arms of the drive shaft and extend to the inside of the stirring barrel, and the first stirrer and the second stirrer are driven to run circumferentially by the driving mechanism, to realize the circumferential stirring of the material in the stirring barrel.
[0011] As a further scheme of the utility model: the bidirectional stirring unit further includes first gear, second gear, transmission gear;
[0012] The first gear is fixed outside the rotating shaft of the first stirrer, the second gear is fixed outside the rotating shaft of the second stirrer, and the horizontal height of the second gear is higher than that of the first gear, and the transmission gear is rotationally connected to the bottom of the cross head and engaged with the second gear;
[0013] The top of the central cylinder is fixed with a fixed ring seat, the middle of the outer side of the fixed ring seat is fixed with a first tooth ring, and the first tooth ring is engaged with the first gear;
[0014] The top of the fixed ring seat is fixed with a second tooth ring, and the second tooth ring is engaged with the transmission gear;
[0015] When the first stirrer and the second stirrer rotate circumferentially, they rotate in opposite directions under the limiting action of the first tooth ring and the second tooth ring, so as to realize bidirectional agitation of the material.
[0016] As a further scheme of the utility model: the scraping unit comprises a scraper, the scraper is provided with two, two the scraper is fixed on the bottom of the two arms of the cross head respectively, and two the scraper is distributed between the second stirrer and the first gear.
[0017] As a further scheme of the utility model: the bottom end scraping plate of two the scraper faces the same, and is respectively close to the inner wall side of the stirring barrel and the outer wall side of the central cylinder;
[0018] The scraping plate of the bottom of the first stirrer and the second stirrer faces opposite directions.
[0019] Compared with the prior art, the utility model has the advantages that:
[0020] By setting the stirring assembly, the circumferential agitation of the material can be realized, at the same time, the secondary agitation of the first stirrer and the second stirrer can be realized, and the agitation directions of the first stirrer and the second stirrer are opposite, in addition, the circumferential operation of the scraper can realize three times of agitation, so that through the cooperation of the above multiple parts, compared with the traditional single-direction agitation, the mixing efficiency is further improved, and the concrete mixing efficiency can be effectively improved. BRIEF DESCRIPTION OF DRAWINGS
[0021] Fig. 1 It is a structural schematic view of the utility model;
[0022] Fig. 2 It is a structural sectional view of the utility model;
[0023] Fig. 3 It is a sectional split view of the utility model.
[0024] In the figure: 1, device main body; 101, stirring barrel; 102, center cylinder; 103, fixed ring seat; 104, first tooth ring; 105, second tooth ring; 2, stirring assembly; 201, driving mechanism; 202, driving shaft; 203, cross head; 204, first stirrer; 205, second stirrer; 206, first gear; 207, second gear; 208, transmission gear; 209, scraper. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0026] Please refer to Figs. 1-3 In the embodiments of the present application, a novel concrete mixer comprises a device main body 1 composed of a stirring barrel 101 and a center cylinder 102, the center cylinder 102 is fixed to the middle part of the inner wall of the stirring barrel 101 and penetrates to the bottom of the stirring barrel 101, a stirring assembly 2 is arranged at the bottom of the stirring barrel 101 and inside the stirring barrel 101, the stirring assembly 2 comprises a bidirectional stirring unit and a scraping unit;
[0027] The bidirectional stirring unit realizes bidirectional circumferential stirring of the materials inside the stirring barrel 101;
[0028] The scraping unit is used for scraping operation of the materials inside the stirring barrel 101;
[0029] The bidirectional stirring unit comprises a driving mechanism 201, a driving shaft 202, a cross head 203, a first stirrer 204 and a second stirrer 205;
[0030] The driving mechanism 201 is fixedly installed on the bottom of the stirring barrel 101 and connected with the bottom of the center cylinder 102 through a support, the driving shaft 202 is fixed to the output end of the driving mechanism 201 and penetrates the center cylinder 102 to above the top of the center cylinder 102, and the cross head 203 is fixed to the top end of the driving shaft 202;
[0031] The first stirrer 204 and the second stirrer 205 are respectively rotationally connected to two arms of the driving shaft 202 and extend to the inside of the stirring barrel 101, the first stirrer 204 and the second stirrer 205 are driven to run in a circumferential direction by the driving mechanism 201, so as to realize circumferential stirring of the materials inside the stirring barrel 101;
[0032] The bidirectional stirring unit further comprises a first gear 206, a second gear 207 and a transmission gear 208.
[0033] The first gear 206 is fixed outside the rotating shaft of the first stirrer 204, the second gear 207 is fixed outside the rotating shaft of the second stirrer 205, and the horizontal height of the second gear 207 is higher than that of the first gear 206, the transmission gear 208 is rotationally connected to the bottom of the cross head 203 and is engaged with the second gear 207;
[0034] The top of the central cylinder 102 is fixed with a fixed ring seat 103, the outer middle part of the fixed ring seat 103 is fixed with a first toothed ring 104, and the first toothed ring 104 is engaged with the first gear 206;
[0035] The top of the fixed ring seat 103 is fixed with a second toothed ring 105, and the second toothed ring 105 is engaged with the transmission gear 208;
[0036] When the first stirrer 204 and the second stirrer 205 run circumferentially, they rotate under the limiting action of the first toothed ring 104 and the second toothed ring 105, and the rotation directions of the first stirrer 204 and the second stirrer 205 are opposite, for realizing the bidirectional agitation of the material.
[0037] In this embodiment: it needs to be supplemented that: this concrete mixer is a flat mouth mixer on the market, and the mixing drum 101 is provided with a corresponding discharge port, and this structure is the conventional structure of the existing flat mouth mixer, therefore, it will not be described in detail here, and the operation principle of this concrete mixer is as follows:
[0038] The driving mechanism 201 drives the driving shaft 202 to rotate (it needs to be supplemented that: the driving mechanism 201 can be composed of a driving motor and a speed reduction transmission box), the driving shaft 202 drives the cross head 203 to rotate, and the cross head 203 drives the first stirrer 204 and the second stirrer 205 to rotate synchronously circumferentially;
[0039] At the same time, the first gear 206 rotates under the limiting action of the first toothed ring 104, the transmission gear 208 rotates under the limiting action of the second toothed ring 105, the transmission gear 208 drives the second gear 207 to rotate, and the first gear 206 and the second gear 207 drive the first stirrer 204 and the second stirrer 205 to rotate respectively, and the rotation directions of the first stirrer 204 and the second stirrer 205 are opposite, so that the material inside the mixing drum 101 can be bidirectionally circumferentially agitated, compared with the traditional unidirectional agitation, the mixing efficiency is further improved, and the concrete mixing efficiency can be effectively improved.
[0040] Please refer to Figs. 2-3The scraping units comprise two scrapers 209, which are fixed at the bottom of the two arms of the cross top seat 203 and are distributed between the second stirrer 205 and the first gear 206.
[0041] The bottom end scraping plates of the two scrapers 209 are oriented in the same direction and are close to the inner wall side of the stirring barrel 101 and the outer wall side of the central cylinder 102 respectively.
[0042] The scraping plates at the bottom of the first stirrer 204 and the second stirrer 205 are oriented in opposite directions.
[0043] In the embodiment, the cross top seat 203 can synchronously drive the two scrapers 209 to rotate and operate while the cross top seat 203 rotates around the circumference, and the two scrapers 209 can scrape the material close to the inner wall of the stirring barrel 101 and the outer wall of the central cylinder 102, so as to avoid the dead angle of the stirring barrel 101 and the central cylinder 102, and ensure the full mixing of the material.
[0044] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A new type of concrete mixer comprising a main body (1) consisting of a mixing drum (101), a central cylinder (102) fixed to the middle of the inner wall of the mixing drum (101) and penetrating to the bottom of the mixing drum (101), characterized in that, The bottom of the stirring barrel (101) and the inside of the stirring barrel (101) are provided with a stirring assembly (2), which comprises a bidirectional stirring unit, a scraping unit; The bidirectional stirring unit realizes the bidirectional circumferential stirring of the materials in the stirring barrel (101); The scraping unit is used for realizing the scraping operation of the materials in the stirring barrel (101).
2. A new concrete mixer as claimed in claim 1, wherein, The bidirectional stirring unit comprises a driving mechanism (201), a driving shaft (202), a cross top seat (203), a first stirrer (204) and a second stirrer (205); The driving mechanism (201) is fixedly installed on the bottom of the stirring barrel (101) and connected with the bottom of the center cylinder (102) through a support, the driving shaft (202) is fixed to the output end of the driving mechanism (201) and penetrates through the center cylinder (102) to above the top of the center cylinder (102), and the cross top seat (203) is fixed to the top end of the driving shaft (202); The first stirrer (204) and the second stirrer (205) are respectively rotationally connected to two arms of the driving shaft (202) and extend to the inside of the stirring barrel (101), and the first stirrer (204) and the second stirrer (205) are driven to run circumferentially by the driving mechanism (201), so as to realize the circumferential stirring of the materials in the stirring barrel (101).
3. A new concrete mixer as claimed in claim 1, wherein, The bidirectional stirring unit further comprises a first gear (206), a second gear (207) and a transmission gear (208); The first gear (206) is fixed to the outside of the rotating shaft of the first stirrer (204), the second gear (207) is fixed to the outside of the rotating shaft of the second stirrer (205), and the horizontal height of the second gear (207) is higher than that of the first gear (206), and the transmission gear (208) is rotationally connected to the bottom of the cross top seat (203) and engaged with the second gear (207); The top of the center cylinder (102) is fixed with a fixed ring seat (103), the middle part of the outside of the fixed ring seat (103) is fixed with a first toothed ring (104), and the first toothed ring (104) is engaged with the first gear (206); The top of the fixed ring seat (103) is fixed with a second toothed ring (105), and the second toothed ring (105) is engaged with the transmission gear (208); When the first stirrer (204) and the second stirrer (205) run circumferentially, they rotate under the limiting action of the first toothed ring (104) and the second toothed ring (105), and the rotation directions of the first stirrer (204) and the second stirrer (205) are opposite, so as to realize the bidirectional stirring of the materials.
4. A new concrete mixer as claimed in claim 2, wherein, The scraping unit comprises two scrapers (209), which are respectively fixed to the bottoms of two arms of the cross top seat (203) and are distributed between the second stirrer (205) and the first gear (206).
5. A new concrete mixer as claimed in claim 4, wherein, The bottom end scraping plates of the two scrapers (209) face the same direction and are respectively close to the inner wall side of the stirring barrel (101) and the outer wall side of the center cylinder (102). The first agitator (204), second agitator (205) bottom of the scraper toward the opposite.